* cfgloopmanip.c (duplicate_loop_to_header_edge): Cleanup profile
[official-gcc.git] / gcc / ChangeLog
blob452a9a4c0bfd452c9c351d4024177c3c447f19c7
1 2017-11-14  Jan Hubicka  <hubicka@ucw.cz>
3         * cfgloopmanip.c (duplicate_loop_to_header_edge): Cleanup profile
4         manipulation.
6 2017-11-16  Chung-Ju Wu  <jasonwucj@gmail.com>
7             Kito Cheng  <kito.cheng@gmail.com>
9         * config/nds32/constraints.md: Provide more constraints.
10         * config/nds32/nds32.h (enum reg_class, REG_CLASS_NAMES,
11         REG_CLASS_CONTENTS): Define R5_REG, R8_REG, and FRAME_POINTER_REG to
12         support constraints usage.
14 2017-11-16  Chung-Ju Wu  <jasonwucj@gmail.com>
16         * config/nds32/constants.md (UNSPEC_VOLATILE_FUNC_RETURN): Remove.
18 2017-11-16  Chung-Ju Wu  <jasonwucj@gmail.com>
19             Kito Cheng  <kito.cheng@gmail.com>
21         * config/nds32/nds32.opt: Add mext-perf, mext-perf2, mext-string.
22         * config/nds32/nds32.opt: Refine the layout.
23         * config/nds32/nds32.c (TARGET_EXT_PERF, TARGET_EXT_PERF2,
24         TARGET_EXT_STRING): Support new options.
25         * config/nds32/nds32.h: Likewise.
26         * config/nds32/nds32.md: Likewise.
27         * config/nds32/nds32-predicates.c: Likewise.
28         * config/nds32/constraints.md: Likewise.
29         * common/config/nds32/nds32-common.c: Likewise.
31 2017-11-16  Julia Koval  <julia.koval@intel.com>
33         PR target/82983
34         * config/i386/gfniintrin.h: Add sse check.
35         * config/i386/i386.c (ix86_expand_builtin): Fix gfni check.
37 2017-11-16  Julia Koval  <julia.koval@intel.com>
39         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VBMI2_SET,
40         OPTION_MASK_ISA_AVX512VBMI2_UNSET): New.
41         (ix86_handle_option): Handle -mavx512vbmi2.
42         * config/i386/cpuid.h: Add bit_AVX512VBMI2.
43         * config/i386/driver-i386.c (host_detect_local_cpu): Handle new bit.
44         * config/i386/i386-c.c (__AVX512VBMI2__): New.
45         * config/i386/i386.c (ix86_target_string): Handle -mavx512vbmi2.
46         (ix86_valid_target_attribute_inner_p): Ditto.
47         * config/i386/i386.h (TARGET_AVX512VBMI2, TARGET_AVX512VBMI2_P): New.
48         * config/i386/i386.opt (mavx512vbmi2): New option.
49         * doc/invoke.texi: Add new option.
51 [2017-11-16  Julia Koval  <julia.koval@intel.com>
53         * config/i386/gfniintrin.h (_mm_gf2p8mul_epi8, _mm256_gf2p8mul_epi8,
54         _mm_mask_gf2p8mul_epi8, _mm_maskz_gf2p8mul_epi8,
55         _mm256_mask_gf2p8mul_epi8, _mm256_maskz_gf2p8mul_epi8,
56         _mm512_mask_gf2p8mul_epi8, _mm512_maskz_gf2p8mul_epi8,
57         _mm512_gf2p8mul_epi8): New intrinsics.
58         * config/i386/i386-builtin-types.def
59         (V64QI_FTYPE_V64QI_V64QI): New type.
60         * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8mulb_v64qi,
61         __builtin_ia32_vgf2p8mulb_v64qi_mask, __builtin_ia32_vgf2p8mulb_v32qi,
62         __builtin_ia32_vgf2p8mulb_v32qi_mask, __builtin_ia32_vgf2p8mulb_v16qi,
63         __builtin_ia32_vgf2p8mulb_v16qi_mask): New builtins.
64         * config/i386/sse.md (vgf2p8mulb_*): New pattern.
65         * config/i386/i386.c (ix86_expand_args_builtin): Handle new type.
67 2017-11-15  Uros Bizjak  <ubizjak@gmail.com>
69         * config/i386/i386.c (x86_print_call_or_nop): Emit 5 byte nop
70         explicitly as a stream of bytes.
72 2017-11-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
74         * config/rs6000/altivec.h (vec_xst_be): New #define.
75         * config/rs6000/altivec.md (altivec_vperm_<mode>_direct): Rename
76         and externalize from *altivec_vperm_<mode>_internal.
77         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI): Remove macro
78         instantiation.
79         (XL_BE_V8HI): Likewise.
80         (XL_BE_V4SI): Likewise.
81         (XL_BE_V4SI): Likewise.
82         (XL_BE_V2DI): Likewise.
83         (XL_BE_V4SF): Likewise.
84         (XL_BE_V2DF): Likewise.
85         (XST_BE): Add BU_VSX_OVERLOAD_X macro instantiation.
86         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Correct
87         all array entries with these keys: VSX_BUILTIN_VEC_XL,
88         VSX_BUILTIN_VEC_XL_BE, VSX_BUILTIN_VEC_XST.  Add entries for key
89         VSX_BUILTIN_VEC_XST_BE.
90         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Remove.
91         (altivec_expand_builtin): Remove handling for VSX_BUILTIN_XL_BE_*
92         built-ins.
93         (altivec_init_builtins): Replace conditional calls to def_builtin
94         for __builtin_vsx_ld_elemrev_{v8hi,v16qi} and
95         __builtin_vsx_st_elemrev_{v8hi,v16qi} based on TARGET_P9_VECTOR
96         with unconditional calls.  Remove calls to def_builtin for
97         __builtin_vsx_le_be_<mode>.  Add a call to def_builtin for
98         __builtin_vec_xst_be.
99         * config/rs6000/vsx.md (vsx_ld_elemrev_v8hi): Convert define_insn
100         to define_expand, and add alternate RTL generation for P8.
101         (*vsx_ld_elemrev_v8hi_internal): New define_insn based on
102         vsx_ld_elemrev_v8hi.
103         (vsx_ld_elemrev_v16qi): Convert define_insn to define_expand, and
104         add alternate RTL generation for P8.
105         (*vsx_ld_elemrev_v16qi_internal): New define_insn based on
106         vsx_ld_elemrev_v16qi.
107         (vsx_st_elemrev_v8hi): Convert define_insn
108         to define_expand, and add alternate RTL generation for P8.
109         (*vsx_st_elemrev_v8hi_internal): New define_insn based on
110         vsx_st_elemrev_v8hi.
111         (vsx_st_elemrev_v16qi): Convert define_insn to define_expand, and
112         add alternate RTL generation for P8.
113         (*vsx_st_elemrev_v16qi_internal): New define_insn based on
114         vsx_st_elemrev_v16qi.
116 2017-11-15  H.J. Lu  <hongjiu.lu@intel.com>
118         PR target/82990
119         * config/i386/i386.c (pass_insert_vzeroupper::gate): Remove
120         TARGET_AVX512ER check.
121         (ix86_option_override_internal): Set MASK_VZEROUPPER if
122         neither -mzeroupper nor -mno-zeroupper is used and
123         TARGET_EMIT_VZEROUPPER is set.
124         * config/i386/i386.h (TARGET_EMIT_VZEROUPPER): New.
125         * config/i386/x86-tune.def: Add X86_TUNE_EMIT_VZEROUPPER.
127 2017-11-15  Will Schmidt  <will_schmidt@vnet.ibm.com>
129         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for
130         folding of vector compares.
131         (fold_build_vec_cmp): New helper function.
132         (fold_compare_helper): New helper function.
133         (builtin_function_type): Add compare builtins to the list of functions
134         having unsigned arguments.  Cosmetic updates to comment indentation.
135         * config/rs6000/vsx.md (vcmpneb, vcmpneh, vcmpnew): Update to specify
136         the not+eq combination.
138 2017-11-15  Bin Cheng  <bin.cheng@arm.com>
140         PR tree-optimization/82726
141         PR tree-optimization/70754
142         * tree-predcom.c (order_drefs_by_pos): New function.
143         (combine_chains): Move code setting has_max_use_after to...
144         (try_combine_chains): ...here.  New parameter.  Sort combined chains
145         according to position information.
146         (tree_predictive_commoning_loop): Update call to above function.
147         (update_pos_for_combined_chains, pcom_stmt_dominates_stmt_p): New.
149 2017-11-15  Bin Cheng  <bin.cheng@arm.com>
151         PR tree-optimization/82726
152         Revert
153         2017-01-23  Bin Cheng  <bin.cheng@arm.com>
155         PR tree-optimization/70754
156         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
157         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
158         combined stmt before it if not NULL.
159         (combine_chains): Process refs reversely and compute dominance point
160         for root ref.
162         Revert
163         2017-02-23  Bin Cheng  <bin.cheng@arm.com>
165         PR tree-optimization/79663
166         * tree-predcom.c (combine_chains): Process refs in reverse order
167         only for ZERO length chains, and add explaining comment.
169 2017-11-15  Tamar Christina  <tamar.christina@arm.com>
171         * config/arm/arm-cpus.in (armv8_3, ARMv8_3a, armv8.3-a): New
172         * config/arm/arm-tables.opt (armv8.3-a): Regenerated.
173         * doc/invoke.texi (ARM Options): Add armv8.3-a.
175 2017-11-15  Tamar Christina  <tamar.christina@arm.com>
177         * config/arm/arm.h (TARGET_DOTPROD): Add arm_arch8_2.
179 2017-11-15  Martin Liska  <mliska@suse.cz>
181         * tree-cfg.c (pass_warn_function_return::execute):
182         Compare warn_return_type for greater than zero.
184 2017-11-15  Sebastian Peryt  <sebastian.peryt@intel.com>
186         PR target/82941
187         PR target/82942
188         * config/i386/i386.c (pass_insert_vzeroupper): Modify gate condition
189         to return true on Xeon and not on Xeon Phi.
190         (ix86_check_avx256_register): Changed to ...
191         (ix86_check_avx_upper_register): ... this. Add extra check for
192         VALID_AVX512F_REG_OR_XI_MODE.
193         (ix86_avx_u128_mode_needed): Changed
194         ix86_check_avx256_register to ix86_check_avx_upper_register.
195         (ix86_check_avx256_stores): Changed to ...
196         (ix86_check_avx_upper_stores): ... this. Changed
197         ix86_check_avx256_register to ix86_check_avx_upper_register.
198         (ix86_avx_u128_mode_after): Changed
199         avx_reg256_found to avx_upper_reg_found. Changed
200         ix86_check_avx256_stores to ix86_check_avx_upper_stores.
201         (ix86_avx_u128_mode_entry): Changed
202         ix86_check_avx256_register to ix86_check_avx_upper_register.
203         (ix86_avx_u128_mode_exit): Ditto.
204         * config/i386/i386.h: (host_detect_local_cpu): New define.
206 2017-11-15  Dominik Infuehr  <dominik.infuehr@theobroma-systems.com>
208         * config/arm/xgene1.md (xgene1): Split into automatons
209         xgene1_main, xgene1_decoder, xgene1_div, xgene1_simd.
210         (xgene1_f_load): Adjust reservations and/or types.
211         (xgene1_f_store): Likewise.
212         (xgene1_load_pair): Likewise.
213         (xgene1_store_pair): Likewise.
214         (xgene1_fp_load1): Likewise.
215         (xgene1_load1): Likewise.
216         (xgene1_store1): Likewise.
217         (xgene1_move): Likewise.
218         (xgene1_alu): Likewise.
219         (xgene1_simd): Likewise.
220         (xgene1_bfm): Likewise.
221         (xgene1_neon_load1): Likewise.
222         (xgene1_neon_store1): Likewise.
223         (xgene1_neon_logic): Likewise.
224         (xgene1_neon_st1): Likewise.
225         (xgene1_neon_ld1r): Likewise.
226         (xgene1_alu_cond): Added.
227         (xgene1_shift_reg): Likwise.
228         (xgene1_bfx): Likewise.
229         (xgene1_mul): Split into xgene1_mul32, xgene1_mul64.
231 2017-11-15  Jakub Jelinek  <jakub@redhat.com>
233         PR target/82981
234         * internal-fn.c: Include gimple-ssa.h, tree-phinodes.h and
235         ssa-iterators.h.
236         (can_widen_mult_without_libcall): New function.
237         (expand_mul_overflow): If only checking unsigned mul overflow,
238         not result, and can do efficiently MULT_HIGHPART_EXPR, emit that.
239         Don't use WIDEN_MULT_EXPR if it would involve a libcall, unless
240         no other way works.  Add MULT_HIGHPART_EXPR + MULT_EXPR support.
241         (expand_DIVMOD): Formatting fix.
242         * expmed.h (expand_mult): Add NO_LIBCALL argument.
243         * expmed.c (expand_mult): Likewise.  Use OPTAB_WIDEN rather
244         than OPTAB_LIB_WIDEN if NO_LIBCALL is true, and allow it to fail.
246         PR tree-optimization/82977
247         * tree-ssa-strlen.c (strlen_optimize_stmt): Pass a reference to a copy
248         constructed temporary to strlen_to_stridx.put.
250 2017-11-15  Martin Liska  <mliska@suse.cz>
252         * configure.ac: Remove -fkeep-inline-functions from coverage_flags.
253         * configure: Regenerate.
255 2017-11-15  Martin Liska  <mliska@suse.cz>
257         PR target/82927
258         * config/sh/sh-mem.cc: Use proper probability for
259         REG_BR_PROB_NOTE.
261 2017-11-14  Jeff Law  <law@redhat.com>
263         * explow.c (anti_adjust_stack_and_probe_stack_clash): Avoid probing
264         the red zone for stack_clash_protection_final_dynamic_probe targets
265         when the total dynamic stack size is zero bytes.
267         * tree-ssa-threadupdate.c (thread_through_all_blocks): Thread
268         blocks is post order.
270 2017-11-15  Alexandre Oliva <aoliva@redhat.com>
272         * dumpfile.h (TDF_COMPARE_DEBUG): New.
273         * final.c (rest_of_clean_state): Set it for the
274         -fcompare-debug dump.
275         * tree-pretty-print.c (dump_generic_node): Omit OBJ_TYPE_REF
276         class when TDF_COMPARE_DEBUG is set.
278         * dwarf2out.c (gen_producer_string): Discard
279         OPT_fcompare_debug.
281 2017-11-15  Joseph Myers  <joseph@codesourcery.com>
283         PR c/81156
284         * doc/extend.texi (Other Builtins): Document __builtin_tgmath.
285         * ginclude/tgmath.h (__tg_cplx, __tg_ldbl, __tg_dbl, __tg_choose)
286         (__tg_choose_2, __tg_choose_3, __TGMATH_REAL_1_2)
287         (__TGMATH_REAL_2_3): Remove macros.
288         (__TGMATH_CPLX, __TGMATH_CPLX_2, __TGMATH_REAL, __TGMATH_REAL_2)
289         (__TGMATH_REAL_3, __TGMATH_CPLX_ONLY): Define using
290         __builtin_tgmath.
291         (frexp, ldexp, nexttoward, scalbn, scalbln): Define using
292         __TGMATH_REAL_2.
293         (remquo): Define using __TGMATH_REAL_3.
295 2017-11-14  Jeff Law  <law@redhat.com>
297         * vr-values.c: New file with contents extracted from tree-vrp.c.
298         * Makefile.in (OBJS): Add vr-values.o
299         * tree-vrp.h (set_value_range_to_nonnull): Prototype.
300         (set_value_range, set_and_canonicalize_value_range): Likewise.
301         (vrp_bitmap_equal_p, range_is_nonnull): Likewise.
302         (value_range_constant_singleton, symbolic_range_p): Likewise.
303         (compare_values, compare_values_warnv, vrp_val_is_min): Likewise.
304         (vrp_val_is_max, copy_value_range, set_value_range_to_value): Likewise.
305         (extract_range_from_binary_expr_1, vrp_val_min, vrp_val_max): Likewise.
306         (set_value_range_to_null, range_int_cst_p, opreand_less_p): Likewise.
307         (find_case_label_range, find_case_label_index): Likewise.
308         (zero_nonzero_bits_from_vr, overflow_comparison_p): Likewise.
309         (range_int_cst_singleton_p, value_inside_range): Likewise.
310         (get_single_symbol): Likewise.
311         (switch_update): Move structure definition here.
312         (to_remove_edges, to_update_switch_stmts): Provide externs.
313         * tree-vrp.c: Move all methods for vr-values class to vr-values.c
314         (vrp_val_max, vrp_val_min, vrp_val_is_max): Make externally visible.
315         (vrp_val_is_min, set_value_range): Likewise.
316         (set_and_canonicalize_value_range, copy_value_range): Likewise.
317         (set_value_range_to_value, set_value_range_to_nonnull): Likewise.
318         (set_value_range_to_null, vrp_bitmap_equal_p): Likewise.
319         (range_is_nonnull, range_int_cst_p): Likewwise.
320         (range_int_cst_singleton_p, symbolic_range_p): Likewise.
321         (get_single_symbol, operand_less_p): Likewise
322         (compare_values_warnv, compare_values): Likewise.
323         (value_inside_range, value_range_constant_singleton): Likewise.
324         (zero_nonzero_bitgs_from_vr): Likewise.
325         (extract_range_from_binary_expr_1): Likewise.
326         (overflow_comparison_p): Likewise.
327         (to_remove_edges, to_update_switch_stmts): Likewise.
328         (find_case_label-index, find_case_label_range): Likewise.
329         (switch_update, set_value_range_to_nonnegative): Remove.
330         (set_value_range_to_truthvalue): Likewise.
331         (symbolic_range_based_on_p, gimple_assign_nonzero_p): Likewise.
332         (gimple_stmt_nonzero_p, compare_ranges): Likewise.
333         (compare_range_with_value, vrp_valueize, vrp_valueize_1): Likewise.
334         (find_case_label_ranges, test_for_singularity): Likewise.
335         (range_fits_type_p, simplify_conversion_using_ranges): LIkewise.
336         (x_vr_values): Move to its remaining use site.
338 2017-11-10  Jeff Law  <law@redhat.com>
340         * vr-values.h (VR_INITIALIZER): Move #define here.
341         * gimple-ssa-evrp.c: New file with contents extracted from tree-vrp.c
342         * Makefile.in (OBJS): Add tree-evrp.o
343         * tree-vrp.h (assert_info): Move structure definition here.
344         (set_value_range_to_varying): Prototype.
345         (vrp_operand_equal_p, range_includes_zero_p): Likewise.
346         (infer_value_range, register_edge_assert_for): Likewise.
347         (stmt_interesting_for_vrp): Likewise.
348         * tree-vrp.c: Move all methods for evrp class into gimple-ssa-evrp.c.
349         (set_value_range_to_varying): No longer static.
350         (vrp_operand_equal_p, range_includes_zero_p): Likewise.
351         (infer_value_range, register_edge_assert_for): Likewise.
353 2017-11-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
355         * config/rs6000/rs6000.md (bswapdi2): On 32-bit ISA 3.0, don't
356         generate the XXBRD instruction.
358         * config/rs6000/rs6000-c.c (is_float128_p): New helper function.
359         (rs6000_builtin_type_compatible): Treat _Float128 and long double
360         as being compatible if -mabi=ieeelongdouble.
361         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_HW_1): New macros
362         to setup float128 built-ins with hardware support.
363         (BU_FLOAT128_HW_2): Likewise.
364         (BU_FLOAT128_HW_3): Likewise.
365         (BU_FLOAT128_HW_VSX_1): Likewise.
366         (BU_FLOAT128_HW_VSX_2): Likewise.
367         (scalar_extract_expq): Change float128 built-in functions to
368         accommodate having both KFmode and TFmode functions.  Use the
369         KFmode variant as the default.
370         (scalar_extract_sigq): Likewise.
371         (scalar_test_neg_qp): Likewise.
372         (scalar_insert_exp_q): Likewise.
373         (scalar_insert_exp_qp): Likewise.
374         (scalar_test_data_class_qp): Likewise.
375         (sqrtf128_round_to_odd): Delete processing the round to odd
376         built-in functions as special built-in functions, and define them
377         as float128 built-ins.  Use the KFmode variant as the default.
378         (truncf128_round_to_odd): Likewise.
379         (addf128_round_to_odd): Likewise.
380         (subf128_round_to_odd): Likewise.
381         (mulf128_round_to_odd): Likewise.
382         (divf128_round_to_odd): Likewise.
383         (fmaf128_round_to_odd): Likewise.
384         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
385         support for KFmode and TFmode xststdcqp calls.
386         (rs6000_expand_builtin): If long double is IEEE 128-bit floating
387         point, switch the built-in handlers for the get/set float128
388         exponent, get float128 mantissa, float128 test built-ins, and the
389         float128 round to odd built-in functions.  Eliminate creating the
390         float128 round to odd built-in functions as special built-ins.
391         (rs6000_init_builtins): Eliminate special creation of the float128
392         round to odd built-in functions.
393         * config/rs6000/vsx.md (xsxexpqp_<mode>): Change float128 built-in
394         function insns to support both TFmode and KFmode variants.
395         (xsxsigqp_<mode>): Likewise.
396         (xsiexpqpf_<mode>): Likewise.
397         (xsiexpqp_<mode>): Likewise.
398         (xststdcqp_<mode>): Likewise.
399         (xststdcnegqp_<mode>): Likewise.
400         (xststdcqp_<mode>): Likewise.
402 2017-11-14  Jan Hubicka  <hubicka@ucw.cz>
404         * tree-ssa-threadupdate.c (compute_path_counts): Remove
405         unused path_in_freq_ptr parameter.
406         (ssa_fix_duplicate_block_edges): Do not pass around path_in_freq
408 2017-11-14  Jan Hubicka  <hubicka@ucw.cz>
410         * ipa-inline.c (edge_badness): Dump sreal frequency.
411         (compute_inlined_call_time): Match natural implementaiton ...
412         * ipa-fnsummary.c (estimate_edge_size_and_time): ... here; remove
413         forgotten division by CGRAPH_FREQ_BASE.
415 2017-11-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
417         * config.gcc (*-*-solaris2*): Enable default_use_cxa_atexit since
418         Solaris 11.  Update comment.
419         * configure.ac (gcc_cv_ld_pid): Adapt comment for Solaris 12
420         renaming.
421         * config/sol2.h (STARTFILE_SPEC): Likewise.
422         * configure: Regenerate.
424 2017-11-14  Carl Love  <cel@us.ibm.com>
426         * config/rs6000/rs6000.c (swap_endian_selector_for_mode): Remove
427         le_ and be_ prefixes to swap* variables.  Remove
428         if (VECTOR_ELT_ORDER_BIG) statement. Remove E_V16QImode case
429         statements.
431 2017-11-14  Jason Merrill  <jason@redhat.com>
433         Support GTY((cache)) on hash_map.
434         * hash-traits.h (ggc_remove): Add ggc_maybe_mx member function.
435         (ggc_cache_remove): Override it instead of ggc_mx.
436         * hash-table.h (gt_ggc_mx): Call it instead of ggc_mx.
437         (gt_cleare_cache): Call ggc_mx instead of gt_ggc_mx.
438         * hash-map-traits.h (simple_hashmap_traits): Add maybe_mx member.
439         (simple_cache_map_traits): Override maybe_mx.
440         * hash-map.h (hash_entry): Add ggc_maybe_mx and keep_cache_entry.
441         (hash_map): Friend gt_cleare_cache.
442         (gt_cleare_cache): New.
443         * tree.h (tree_cache_traits): New hash_map traits class.
444         (tree_cache_map): New typedef.
446 2017-11-14  Richard Biener  <rguenther@suse.de>
448         * tree-cfgcleanup.c (cleanup_control_expr_graph): Remove first_p
449         paramter and handling.
450         (cleanup_control_flow_bb): Likewise.
451         (cleanup_control_flow_pre): New helper performing a DFS walk
452         to call cleanup_control_flow_bb in PRE order.
453         (cleanup_tree_cfg_1): Do the first phase of cleanup_control_flow_bb
454         via cleanup_control_flow_pre.
456 2017-11-14  James Greenhalgh  <james.greenhalgh@arm.com>
458         * config/aarch64/aarch64-simd.md
459         (aarch64_simd_bsl<mode>_internal): Remove DImode.
460         (*aarch64_simd_bsl<mode>_alt): Likewise.
461         (aarch64_simd_bsldi_internal): New.
462         (aarch64_simd_bsldi_alt): Likewise.
464 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
466         * tracer.c (better_p): Do not compare frequencies.
467         * reg-stack.c (better_edge): Likewise.
468         * shrink-wrap.c (try_shrink_wrapping): Do not convert to gcov counts
469         and back.
471 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
473         * auto-profile.c (afdo_annotate_cfg): Use update_max_bb_count.
474         * cgraphunit.c (cgraph_node::expand_thunk): Use update_max_bb_count.
475         * ipa-utils.c (ipa_merge_profiles): Use update_max_bb_count.
476         * lto-streamer-in.c (input_function): Use update_max_bb_count.
477         * omp-expand.c (expand_omp_taskreg): Use update_max_bb_count.
478         * predict.c (maybe_hot_frequency_p): Inline to ...
479         (maybe_hot_count_p): ... here; rewrite to counts.
480         (counts_to_freqs): Rename to ...
481         (update_max_bb_count): ... this one.
482         (expensive_function_p): Use counts.
483         (estimate_bb_frequencies): Update.
484         (rebuild_frequencies): Update.
485         * predict.h (counts_to_freqs): Rename to ...
486         (update_max_bb_count): ... this one.
487         * profile.c (compute_branch_probabilities): Add debug info
488         * tree-inline.c (expand_call_inline): Update debug info.
489         (optimize_inline_calls): Use update_max_bb_count..
490         (tree_function_versioning): Use update_max_bb_count..
491         * value-prof.c (gimple_value_profile_transformations):
492         Do not use update_max_bb_count.
494 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
496         * ipa-inline.c (compute_uninlined_call_time, compute_inlined_call_time):
497         always use frequencies.
499 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
501         * bb-reorder.c: Remove frequencies from comments.
502         (better_edge_p): Use profile counts.
503         (find_traces): Dump profile counts.
504         (rotate_loop): Use profile counts.
505         (find_traces_1_round): Likewise.
506         (connect_better_edge_p): Use counts instead of probabilities for
507         reverse walk.
508         (copy_bb_p): Drop early check for non-0 frequency.
509         (sanitize_hot_paths): Update comments.
511 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
513         * ipa-split.c (struct split_point): Add count.
514         (consider_split): Do not compute incoming frequency; compute incoming
515         count and store it to split_point.
516         (split_function): Set count of the call to split part correctly.
518 2017-11-13  Carl Love  <cel@us.ibm.com>
520         * config/rs6000/altivec.md (altivec_vsumsws_be): Add define_expand.
522 2017-11-13  Tom Tromey  <tom@tromey.com>
524         * doc/cpp.texi (Variadic Macros): Document __VA_OPT__.
526 2017-11-13  Carl Love  <cel@us.ibm.com>
528         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
529         Add support for builtins:
530         unsigned int vec_first_{,miss}_match_{,or_eos}index,
531         vector {un,}signed {char,int,short},
532         vector {un,}signed {char,int,short}) arguments.
533         * config/rs6000/rs6000-builtin.def (VFIRSTMATCHINDEX,
534         VFIRSTMATCHOREOSINDEX, VFIRSTMISMATCHINDEX, VFIRSTMISMATCHOREOSINDEX):
535         Add BU_P9V_AV_2 expansions for the builtins.
536         * config/rs6000/altivec.h (vec_first_match_index,
537         vec_first_mismatch_index, vec_first_match_or_eos_index,
538         vec_first_mismatch_or_eos_index): Add #defines for the builtins.
539         * config/rs6000/rs6000-protos.h (bytes_in_mode): Add
540         new extern declaration.
541         * config/rs6000/rs6000.c (bytes_in_mode): Add new function.
542         * config/rs6000/vsx.md (first_match_index_<mode>,
543         first_match_or_eos_index_<mode>, first_mismatch_index_<mode>,
544         first_mismatch_or_eos_index_<mode>): Add define expand.
545         (vctzlsbb_<mode>): Add mode field to define_insn for vctzlsbb.
546         * doc/extend.texi: Update the built-in documenation file for the new
547         built-in functions.
549 2017-11-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
551         * match.pd: Convert fminf<N>, fminf<N>x, fmax<N>, and fmax<N>x
552         into the min/max operations for _Float<N> and _Float<N>X types.
554 2017-11-13  Eric Botcazou  <ebotcazou@adacore.com>
556         PR lto/81351
557         * dwarf2out.c (do_eh_frame): New static variable.
558         (dwarf2out_begin_prologue): Set it.
559         (dwarf2out_frame_finish): Test it instead of dwarf2out_do_eh_frame.
561 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
563         * tree-ssa-coalesce.c (coalesce_cost): Fix formating.
565         * tree-ssa-sink.c (select_best_block): Do not use frequencies.
567 2017-11-13  Eric Botcazou  <ebotcazou@adacore.com>
569         PR lto/81351
570         * debug.h (dwarf2out_do_eh_frame): Declare.
571         * dwarf2cfi.c (dwarf2out_do_eh_frame): New predicate.
572         (dwarf2out_do_frame): Use it.
573         (dwarf2out_do_cfi_asm): Likewise.
574         * dwarf2out.c (dwarf2out_frame_finish): Likewise.
575         (dwarf2out_assembly_start): Likewise.
576         (dwarf2out_begin_prologue): Fix comment.
577         * toplev.c (compile_file): Always call dwarf2out_frame_finish
578         if the target needs either debug or unwind DWARF2 info.
579         * lto-opts.c (lto_write_options): Do not save -fexceptions,
580         -fnon-call-exceptions, -ffp-contract, -fmath-errno, -fsigned-zeros,
581         -ftrapping-math, -ftrapv and -fwrapv.
583 2017-11-13  Jan Hubicka  <hubicka@ucw.cz>
585         * cgraph.c (cgraph_edge::sreal_frequency): New function.
586         * cgraph.h (cgraph_edge::sreal_frequency): Declare.
587         * ipa-fnsummary.c (dump_ipa_call_summary): Use sreal_frequency.
588         (estimate_edge_size_and_time): Likewise.
589         (ipa_merge_fn_summary_after_inlining): Likewise.
590         * ipa-inline.c (cgraph_freq_base_rec): Remove.
591         (compute_uninlined_call_time): Use sreal_frequency.
592         (compute_inlined_call_time): Likewise.
593         (ipa_inline): Do not initialize cgraph_freq_base_rec.
594         * profile-count.c: Include sreal.h.
595         (profile_count::to_sreal_scale): New.
596         * profile-count.h: Forward declare sreal.
597         (profile_count::to_sreal_scale): Declare.
599 2017-11-13  Nathan Sidwell  <nathan@acm.org>
601         * diagnostic.c (maybe_line_and_column): New.
602         (diagnostic_get_location_text): Use it.
603         (diagnostic_report_current_module): Likewise.
604         (test_diagnostic_get_location_text): Add tests.
606 2017-11-13  Luis Machado  <luis.machado@linaro.org>
608         * doc/md.texi (Specifying processor pipeline description): Fix
609         incorrect latency for the div instruction example.
611 2017-11-13  Jakub Jelinek  <jakub@redhat.com>
613         PR tree-optimization/78821
614         * gimple-ssa-store-merging.c (compatible_load_p): Don't require
615         that bit_not_p is the same.
616         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
617         (split_group): Count precisely bit_not_p bits in each statement.
618         (invert_op): New function.
619         (imm_store_chain_info::output_merged_store): Use invert_op to
620         emit BIT_XOR_EXPR with a xor_mask instead of BIT_NOT_EXPR if some
621         but not all orig_stores have BIT_NOT_EXPR in the corresponding spots.
623 2017-11-13  Martin Liska  <mliska@suse.cz>
625         * gcov.c (struct coverage_info): Remove typedef of coverage_t.
626         (struct source_info): Likewise.
627         (add_branch_counts): Likewise.
628         (add_line_counts): Likewise.
629         (function_summary): Likewise.
630         (output_intermediate_line): Likewise.
631         (generate_results): Likewise.
633 2017-11-13  Martin Liska  <mliska@suse.cz>
635         * gcov.c (struct block_info): Remove typedef for block_t.
636         (struct line_info): Likewise.
637         (line_info::has_block): Likewise.
638         (EXIT_BLOCK): Likewise.
639         (unblock): Likewise.
640         (circuit): Likewise.
641         (get_cycles_count): Likewise.
642         (process_file): Likewise.
643         (read_graph_file): Likewise.
644         (solve_flow_graph): Likewise.
645         (find_exception_blocks): Likewise.
646         (add_line_counts): Likewise.
647         (accumulate_line_info): Likewise.
648         (output_line_details): Likewise.
650 2017-11-13  Martin Liska  <mliska@suse.cz>
652         * gcov.c (struct arc_info): Remove typedef for arc_t.
653         (struct line_info): Likewise.
654         (add_branch_counts): Likewise.
655         (output_branch_count): Likewise.
656         (function_info::~function_info): Likewise.
657         (circuit): Likewise.
658         (output_intermediate_line): Likewise.
659         (read_graph_file): Likewise.
660         (solve_flow_graph): Likewise.
661         (find_exception_blocks): Likewise.
662         (add_line_counts): Likewise.
663         (accumulate_line_info): Likewise.
664         (output_line_details): Likewise.
665         (output_function_details): Likewise.
667 2017-11-13  Martin Liska  <mliska@suse.cz>
669         * gcov.c (struct function_info): Remove typedef for function_t.
670         (struct source_info): Likewise.
671         (source_info::get_functions_at_location): Likewise.
672         (solve_flow_graph): Likewise.
673         (find_exception_blocks): Likewise.
674         (add_line_counts): Likewise.
675         (output_intermediate_file): Likewise.
676         (process_file): Likewise.
677         (generate_results): Likewise.
678         (release_structures): Likewise.
679         (read_graph_file): Likewise.
680         (read_count_file): Likewise.
681         (accumulate_line_counts): Likewise.
682         (output_lines): Likewise.
684 2017-11-13  Martin Liska  <mliska@suse.cz>
686         * gcov.c (function_info::function_info): Remove num_counts
687         and add vector<gcov_type>.
688         (function_info::~function_info): Use the vector.
689         (process_file): Likewise.
690         (read_graph_file): Likewise.
691         (read_count_file): Likewise.
692         (solve_flow_graph): Likewise.
694 2017-11-13  Martin Liska  <mliska@suse.cz>
696         * gcov.c (function_info::is_artificial): New function.
697         (process_file): Erase all artificial early.
698         (generate_results): Skip as all artificial are already
699         removed.
701 2017-11-13  Martin Liska  <mliska@suse.cz>
703         * gcov.c (read_graph_file): Store to global vector of functions.
704         (read_count_file): Iterate the vector.
705         (process_file): Likewise.
706         (generate_results): Likewise.
707         (release_structures): Likewise.
709 2017-11-13  Jakub Jelinek  <jakub@redhat.com>
711         PR tree-optimization/82954
712         * gimple-ssa-store-merging.c
713         (imm_store_chain_info::coalesce_immediate_stores): If
714         !infof->ops[N].base_addr, split group if info->ops[N].base_addr.
716 2017-11-13  Richard Sandiford  <richard.sandiford@linaro.org>
718         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
719         Upddate call to ENDIAN_LANE_N.
720         (aarch64_<sur>dot_lane<vsi2qi>): Use aarch64_endian_lane_rtx.
721         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
722         (*aarch64_simd_vec_copy_lane<mode>): Update calls to ENDIAN_LANE_N
723         and use aarch64_endian_lane_rtx.
724         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
726 2017-11-12  Tom de Vries  <tom@codesourcery.com>
728         * config/riscv/riscv.h (ASM_OUTPUT_LABELREF): Wrap in do {} while (0).
730 2017-11-12  Tom de Vries  <tom@codesourcery.com>
732         * config/elfos.h (ASM_OUTPUT_ASCII): Remove semicolon after macro body.
734 2017-11-12  Tom de Vries  <tom@codesourcery.com>
736         * config/cr16/cr16.h (ASM_OUTPUT_LABELREF): Remove semicolon after macro
737         body.
738         * config/powerpcspe/xcoff.h (ASM_OUTPUT_LABELREF): Same.
739         * config/rs6000/xcoff.h (ASM_OUTPUT_LABELREF): Same.
740         * defaults.h (ASM_OUTPUT_LABELREF): Same.
742 2017-11-11  Martin Sebor  <msebor@redhat.com>
744         PR c/81117
745         * doc/extend.texi (attribute nonstring): Remove spurious argument.
747         PR bootstrap/82948
748         * prefic.c (translate_name): Replace strncpy with memcpy to
749         avoid -Wstringop-truncation.
751 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
753         * tree-ssa-loop-im.c (execute_sm_if_changed): Do not compute freq_sum.
755 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
757         * predict.c (maybe_hot_frequency_p): Do not use cfun.
759 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
761         * tree-ssa-tail-merge.c (replace_block_by): Fix and re-enable profile
762         merging.
764 2017-11-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
766         * config/rs6000/rs6000.md (bswaphi2_reg): On ISA 3.0 systems,
767         enable generating XXBRH if the value is in a vector register.
768         (bswapsi2_reg): On ISA 3.0 systems, enable generating XXBRW if the
769         value is in a vector register.
770         (bswapdi2_reg): On ISA 3.0 systems, always use XXBRD to do
771         register to register bswap64's instead of doing the GPR sequence
772         used on previous machines.
773         (bswapdi2_xxbrd): New insn.
774         (bswapdi2_reg): Disallow on ISA 3.0.
775         (register to register bswap64 splitter): Do not split the insn on
776         ISA 3.0 systems that use XXBRD.
778 2017-11-10  Martin Sebor  <msebor@redhat.com>
780         PR c/81117
781         * config/darwin-c.c (framework_construct_pathname): Replace strncpy
782         with memcpy.
783         (find_subframework_file): Same.
785 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
787         * auto-profile.c (afdo_indirect_call): Drop frequency.
788         * cgraph.c (symbol_table::create_edge): Drop frequency argument.
789         (cgraph_node::create_edge): Drop frequency argument.
790         (cgraph_node::create_indirect_edge): Drop frequency argument.
791         (cgraph_edge::make_speculative): Drop frequency arguments.
792         (cgraph_edge::resolve_speculation): Do not update frequencies
793         (cgraph_edge::dump_edge_flags): Do not dump frequency.
794         (cgraph_node::dump): Check consistency in IPA mode.
795         (cgraph_edge::maybe_hot_p): Use IPA counter.
796         (cgraph_edge::verify_count_and_frequency): Rename to ...
797         (cgraph_edge::verify_count): ... this one; drop frequency checking.
798         (cgraph_node::verify_node): Update.
799         * cgraph.h (struct cgraph_edge): Drop frequency.
800         (cgraph_edge::frequency): New function.
801         * cgraphbuild.c (pass_build_cgraph_edges::execute): Donot pass
802         frequencies.
803         (cgraph_edge::rebuild_edges): Likewise.
804         * cgraphclones.c (cgraph_edge::clone): Scale only counts.
805         (duplicate_thunk_for_node): Do not pass frequency.
806         (cgraph_node::create_clone): Scale only counts.
807         (cgraph_node::create_virtual_clone): Do not pass frequency.
808         (cgraph_node::create_edge_including_clones): Do not pass frequency.
809         (cgraph_node::create_version_clone): Do not pass frequency.
810         * cgraphunit.c (cgraph_node::analyze): Do not pass frequency.
811         (cgraph_node::expand_thunk): Do not pass frequency.
812         (cgraph_node::create_wrapper): Do not pass frequency.
813         * gimple-iterator.c (update_call_edge_frequencies): Do not pass
814         frequency.
815         * gimple-streamer-in.c (input_bb): Scale only IPA counts.
816         * ipa-chkp.c (chkp_produce_thunks): Do not pass frequency.
817         * ipa-cp.c (ipcp_lattice::print): Use frequency function.
818         (gather_caller_stats): Use frequency function.
819         (ipcp_cloning_candidate_p): Use frequency function.
820         (ipcp_propagate_stage): Use frequency function.
821         (get_info_about_necessary_edges): Use frequency function.
822         (update_profiling_info): Update only IPA profile.
823         (update_specialized_profile): Use frequency functoin.
824         (perhaps_add_new_callers): Update only IPA profile.
825         * ipa-devirt.c (ipa_devirt): Use IPA profile.
826         * ipa-fnsummary.c (redirect_to_unreachable): Do not set frequrency.
827         (dump_ipa_call_summary): Use frequency function.
828         (estimate_edge_size_and_time): Use frequency function.
829         (ipa_merge_fn_summary_after_inlining): Use frequency function.
830         * ipa-inline-analysis.c (do_estimate_edge_time): Use IPA profile.
831         * ipa-inline-transform.c (update_noncloned_frequencies): Rename to ..
832         (update_noncloned_counts): ... ths one; scale counts only.
833         (clone_inlined_nodes): Do not scale frequency.
834         (inline_call): Do not pass frequency.
835         * ipa-inline.c (compute_uninlined_call_time): Use IPA profile.
836         (compute_inlined_call_time): Use IPA profile.
837         (want_inline_small_function_p): Use IPA profile.
838         (want_inline_self_recursive_call_p): Use IPA profile.
839         (edge_badness): Use IPA profile.
840         (lookup_recursive_calls): Use IPA profile.
841         (recursive_inlining): Do not pass frequency.
842         (resolve_noninline_speculation): Do not update frequency.
843         (inline_small_functions): Collect max of IPA profile.
844         (dump_overall_stats): Dump IPA porfile.
845         (dump_inline_stats): Dump IPA porfile.
846         (ipa_inline): Collect IPA stats.
847         * ipa-inline.h (clone_inlined_nodes): Update prototype.
848         * ipa-profile.c (ipa_propagate_frequency_1): Use frequency function.
849         (ipa_propagate_frequency): Use frequency function.
850         (ipa_profile): Cleanup.
851         * ipa-prop.c (ipa_make_edge_direct_to_target): Do not pass frequency
852         * ipa-utils.c (ipa_merge_profiles): Merge all profiles.
853         * lto-cgraph.c (lto_output_edge): Do not stream frequency.
854         (input_node): Do not stream frequency.
855         (input_edge): Do not stream frequency.
856         (merge_profile_summaries): Scale only IPA profiles.
857         * omp-simd-clone.c (simd_clone_adjust): Do not pass frequency.
858         * predict.c (drop_profile): Do not recompute frequency.
859         * trans-mem.c (ipa_tm_insert_irr_call): Do not pass frequency.
860         (ipa_tm_insert_gettmclone_call): Do not pass frequency.
861         * tree-cfg.c (execute_fixup_cfg): Drop profile to global0 if needed.
862         * tree-chkp.c (chkp_copy_bounds_for_assign): Do not pass frequency.
863         * tree-emutls.c (gen_emutls_addr): Do not pass frequency.
864         * tree-inline.c (copy_bb): Do not scale frequency.
865         (expand_call_inline): Do not scale frequency.
866         (tree_function_versioning): Do not scale frequency.
867         * ubsan.c (ubsan_create_edge): Do not pass frequency.
869 2017-11-10  Julia Koval  <julia.koval@intel.com>
871         * config/i386/gfniintrin.h (_mm_gf2p8affine_epi64_epi8)
872         (_mm256_gf2p8affine_epi64_epi8, _mm_mask_gf2p8affine_epi64_epi8)
873         (_mm_maskz_gf2p8affine_epi64_epi8, _mm256_mask_gf2p8affine_epi64_epi8)
874         (_mm256_maskz_gf2p8affine_epi64_epi8)
875         (_mm512_mask_gf2p8affine_epi64_epi8, _mm512_gf2p8affine_epi64_epi8)
876         (_mm512_maskz_gf2p8affine_epi64_epi8): New intrinsics.
877         * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8affineqb_v64qi)
878         (__builtin_ia32_vgf2p8affineqb_v32qi)
879         (__builtin_ia32_vgf2p8affineqb_v16qi): New builtins.
880         * config/i386/sse.md (vgf2p8affineqb_<mode><mask_name>): New pattern.
882 2017-11-10  Tamar Christina  <tamar.christina@arm.com>
884         PR target/82641
885         * config/arm/arm.c
886         (arm_option_override): Refactor.
887         (arm_option_reconfigure_globals): New.
888         (arm_options_perform_arch_sanity_checks): New.
889         * config/arm/arm-protos.h (arm_option_reconfigure_globals):
890         New prototype.
891         (arm_options_perform_arch_sanity_checks): Likewise
893 2017-11-10  Pat Haugen  <pthaugen@us.ibm.com>
895         * rs6000/power9.md (power9-qpdiv): Correct DFU pipe usage.
896         (power9-qpmul): New.
897         * rs6000/rs6000.md ("type" attr): Add qmul.
898         (mul<mode>3, fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw,
899         *nfms<mode>4_hw, mul<mode>3_odd, fma<mode>4_odd, *fms<mode>4_odd,
900         *nfma<mode>4_odd, *nfms<mode>4_odd): Change type to qmul.
902 2017-11-10  Martin Sebor  <msebor@redhat.com>
904         PR c/81117
905         * builtins.c (compute_objsize): Handle arrays that
906         compute_builtin_object_size likes to fail for.  Make extern.
907         * builtins.h (compute_objsize): Declare.
908         (check_strncpy_sizes): New function.
909         (expand_builtin_strncpy): Call check_strncpy_sizes.
910         * gimple-fold.c (gimple_fold_builtin_strncpy): Implement
911         -Wstringop-truncation.
912         (gimple_fold_builtin_strncat): Same.
913         * gimple.c (gimple_build_call_from_tree): Set call location.
914         * tree-ssa-strlen.c (strlen_to_stridx): New global variable.
915         (maybe_diag_bound_equal_length, is_strlen_related_p): New functions.
916         (handle_builtin_stxncpy, handle_builtin_strncat): Same.
917         (handle_builtin_strlen): Use strlen_to_stridx.
918         (strlen_optimize_stmt): Handle flavors of strncat, strncpy, and
919         stpncpy.
920         Use strlen_to_stridx.
921         (pass_strlen::execute): Release strlen_to_stridx.
922         * doc/invoke.texi (-Wsizeof-pointer-memaccess): Document enhancement.
923         (-Wstringop-truncation): Document new option.
925 2017-11-10  Martin Liska  <mliska@suse.cz>
927         PR gcov-profile/82702
928         * gcov.c (main): Handle intermediate files in a different
929         way.
930         (get_gcov_intermediate_filename): New function.
931         (output_gcov_file): Remove support of intermediate files.
932         (generate_results): Allocate intermediate file.
933         (release_structures): Clean-up properly fn_end.
934         (output_intermediate_file): Start iterating with line 1.
936 2017-11-10  Jakub Jelinek  <jakub@redhat.com>
938         PR tree-optimization/82929
939         * gimple-ssa-store-merging.c (struct store_immediate_info): Add
940         ops_swapped_p non-static data member.
941         (store_immediate_info::store_immediate_info): Clear it.
942         (imm_store_chain_info::coalesce_immediate_stores): If swapping
943         ops set ops_swapped_p.
944         (count_multiple_uses): Handle ops_swapped_p.
946 2017-11-10  Martin Liska  <mliska@suse.cz>
948         * coverage.c (coverage_init): Stream information about
949         support of has_unexecuted_blocks.
950         * doc/gcov.texi: Document that.
951         * gcov-dump.c (dump_gcov_file): Support it in gcov_dump tool.
952         * gcov.c (read_graph_file): Likewise.
953         (output_line_beginning): Fix a small issue with
954         color output.
956 2017-11-10  Bin Cheng  <bin.cheng@arm.com>
958         * tree-predcom.c (determine_roots_comp): Avoid memory leak by freeing
959         reference of trivial component.
961 2017-11-10  Jakub Jelinek  <jakub@redhat.com>
963         PR bootstrap/82916
964         * gimple-ssa-store-merging.c
965         (pass_store_merging::terminate_all_aliasing_chains): For
966         gimple_store_p stmts also call refs_output_dependent_p.
968         PR rtl-optimization/82913
969         * compare-elim.c (try_merge_compare): Punt if def_insn is not
970         single set.
972 2017-11-09  Jeff Law  <law@redhat.com>
974         * vr-values.h: New file with vr_values class.
975         * tree-vrp.c: Include vr-values.h
976         (vrp_value_range_pool, vrp_equiv_obstack, num_vr_values): Move static
977         data objects into the vr_values class.
978         (vr_value, values_propagated, vr_phi_edge_counts): Likewise.
979         (get_value_range): Make it a member function within vr_values class.
980         (set_defs_to_varying, update_value_range, add_equivalence): Likewise.
981         (vrp_stmt_computes_nonzero_p, op_with_boolean_value_range_p): Likewise.
982         (op_with_constant_singleton_value_range): Likewise.
983         (extract_range_for_var_from_comparison_expr): Likewise.
984         (extract_range_from_assert, extract_range_from_ssa_name): Likewise.
985         (extract_range_from_binary_expr): Likewise.
986         (extract_range_from_unary_expr): Likewise.
987         (extract_range_from_cond_expr, extrat_range_from_comparison): Likewise.
988         (check_for_binary_op_overflow, extract_range_basic): Likewise.
989         (extract_range_from_assignment, adjust_range_with_scev): Likewise.
990         (dump_all_value_ranges, get_vr_for_comparison): Likewise.
991         (compare_name_with_value, compare_names): Likewise.
992         (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Likewise.
993         (vrp_evaluate_conditional_warnv_with_ops): Likewise.  Remove prototype.
994         (vrp_evaluate_conditional, vrp_visit_cond_stmt): Likewise.
995         (vrp_visit_switch_stmt, extract_range_from_stmt): Likewise.
996         (extract_range_from_phi_node): Likewise.
997         (simplify_truth_ops_using_ranges): Likewise.
998         (simplify_div_or_mod_using_ranges): Likewise.
999         (simplify_min_or_max_using_ranges, simplify_abs_using_ranges): Likewise.
1000         (simplify_bit_ops_using_ranges, simplify_cond_using_ranges_1): Likewise.
1001         (simplify_cond_using_ranges_2, simplify_switch_using_ranges): Likewise.
1002         (simplify_float_conversion_using_ranges): Likewise.
1003         (simplify_internal_call_using_ranges): Likewise.
1004         (two_valued_val_range_p, simplify_stmt_using_ranges): Likewise.
1005         (vrp_visit_assignment_or_call): Likewise.  Smuggle class instance
1006         poitner via x_vr_values for calls into gimple folder.
1007         (vrp_initialize_lattice): Make this the vr_values ctor.
1008         (vrp_free_lattice): Make this the vr_values dtor.
1009         (set_vr_value): New function.
1010         (class vrp_prop): Add vr_values data member.  Add various member
1011         functions as well as member functions that delegate to vr_values.
1012         (check_array_ref): Make a member function within vrp_prop class.
1013         (search_for_addr_array, vrp_initialize): Likewise.
1014         (vrp_finalize): Likewise.  Revamp to avoid direct access to
1015         vr_value, values_propagated, etc.
1016         (check_array_bounds): Extract vrp_prop class instance pointer from
1017         walk info structure.  Use it to call member functions.
1018         (check_all_array_refs): Make a member function within vrp_prop class.
1019         Smuggle class instance pointer via walk info structure.
1020         (x_vr_values): New local static.
1021         (vrp_valueize): Use x_vr_values to get class instance.
1022         (vr_valueize_1): Likewise.
1023         (class vrp_folder): Add vr_values data member.  Add various member
1024         functions as well as member functions that delegate to vr_values.
1025         (fold_predicate_in): Make a mber fucntion within vrp_folder class.
1026         (simplify_stmt_for_jump_threading): Extract smuggled vr_values
1027         class instance from vr_values.  Use it to call member functions.
1028         (vrp_dom_walker): Add vr_values data member.
1029         (vrp_dom_walker::after_dom_children): Smuggle vr_values class
1030         instance via x_vr_values.
1031         (identify_jump_threads): Accept vr_values as argument.  Store
1032         it into the walker structure.
1033         (evrp_dom_walker): Add vr_values class data member.  Add various
1034         delegators.
1035         (evrp_dom_walker::try_find_new_range): Use vr_values data
1036         member to access the memory allocator.
1037         (evrp_dom_walker::before_dom_children): Store vr_values class
1038         instance into the vrp_folder class.
1039         (evrp_dom_walker::push_value_range): Rework to avoid direct
1040         access to num_vr_values and vr_value.
1041         (evrp_dom_walker::pop_value_range): Likewise.
1042         (execute_early_vrp): Remove call to vrp_initialize_lattice.
1043         Use vr_values to get to dump_all_value_ranges member function.
1044         Remove call to vrp_free_lattice.  Call vrp_initialize, vrp_finalize,
1045         and simplify_cond_using_ranges_2 via vrp_prop class instance.
1046         Pass vr_values class instance down to identify_jump_threads.
1047         Remove call to vrp_free_lattice.
1048         (debug_all_value_ranges): Remove.
1050         * tree-vrp.c (vrp_prop): Move class to earlier point in the file.
1051         (vrp_folder): Likewise.
1053         * tree-vrp.c (set_value_range): Do not reference vrp_equiv_obstack.
1054         Get it from the existing bitmap instead.
1055         (vrp_intersect_ranges_1): Likewise.
1057 2017-11-09  Jakub Jelinek  <jakub@redhat.com>
1059         * gimple-ssa-store-merging.c (struct store_immediate_info): Add
1060         bit_not_p field.
1061         (store_immediate_info::store_immediate_info): Add bitnotp argument,
1062         set bit_not_p to it.
1063         (imm_store_chain_info::coalesce_immediate_stores): Break group
1064         if bit_not_p is different.
1065         (count_multiple_uses, split_group,
1066         imm_store_chain_info::output_merged_store): Handle info->bit_not_p.
1067         (handled_load): Avoid multiple chained BIT_NOT_EXPRs.
1068         (pass_store_merging::process_store): Handle BIT_{AND,IOR,XOR}_EXPR
1069         result inverted using BIT_NOT_EXPR, compute bit_not_p, pass it
1070         to store_immediate_info ctor.
1072 2017-11-09  Jim Wilson  <jimw@sifive.com>
1074         * collect2.c (OBJECT_FORMAT_COFF): Remove EXTENDED_COFF support.
1075         (scan_prog_file): Likewise.
1077 2017-11-09  Jan Hubicka  <hubicka@ucw.cz>
1079         * bb-reorder.c (max_entry_frequency): Remove.
1080         (find_traces, rotate_loop, mark_bb_visited, connect_better_edge_p,
1081         connect_traces, push_to_next_round_p): Remove prototypes.
1082         (find_traces_1_round): Use counts only.
1083         (push_to_next_round_p): Likewise.
1084         (find_traces): Likewise.
1085         (rotate_loop): Likewise.
1086         (find_traces_1_round): Likewise.
1087         (connect_traces): Likewise.
1088         (edge_order): Likewise.
1090 2017-11-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1092         * config/arm/arm.c (output_return_instruction): Add comments to
1093         indicate requirement for cmse_nonsecure_entry return to account
1094         for the size of clearing instruction output here.
1095         (thumb_exit): Likewise.
1096         * config/arm/thumb2.md (thumb2_cmse_entry_return): Fix length for
1097         return in hardfloat mode.
1099 2017-11-09  Segher Boessenkool  <segher@kernel.crashing.org>
1101         * config/rs6000/rs6000.c (machine_function): Add a bool,
1102         "toc_is_wrapped_separately".
1103         (rs6000_option_override_internal): Enable OPTION_MASK_SAVE_TOC_INDIRECT
1104         if it wasn't explicitly set or unset, we are optimizing for speed, and
1105         doing separate shrink-wrapping.
1106         (rs6000_get_separate_components): Enable the TOC component if
1107         saving the TOC register in the prologue.
1108         (rs6000_components_for_bb): Handle the TOC component.
1109         (rs6000_emit_prologue_components): Store the TOC register where needed.
1110         (rs6000_set_handled_components): Mark TOC as handled, if handled.
1111         (rs6000_emit_prologue): Don't save the TOC if that is already done.
1113 2017-11-09  Martin Jambor  <mjambor@suse.cz>
1115         * ipa-param-manipulation.c: New file.
1116         * ipa-param-manipulation.h: Likewise.
1117         * Makefile.in (OBJS): Add ipa-param-manipulation.o.
1118         (PLUGIN_HEADERS): Addded ipa-param-manipulation.h
1119         * ipa-param.h (ipa_parm_op): Moved to ipa-param-manipulation.h.
1120         (ipa_parm_adjustment): Likewise.
1121         (ipa_parm_adjustment_vec): Likewise.
1122         (ipa_get_vector_of_formal_parms): Moved declaration to
1123         ipa-param-manipulation.h.
1124         (ipa_get_vector_of_formal_parm_types): Likewise.
1125         (ipa_modify_formal_parameters): Likewise.
1126         (ipa_modify_call_arguments): Likewise.
1127         (ipa_combine_adjustments): Likewise.
1128         (ipa_dump_param_adjustments): Likewise.
1129         (ipa_modify_expr): Likewise.
1130         (ipa_get_adjustment_candidate): Likewise.
1131         * ipa-prop.c (ipa_get_vector_of_formal_parms): Moved to
1132         ipa-param-manipulation.c.
1133         (ipa_get_vector_of_formal_parm_types): Likewise.
1134         (ipa_modify_formal_parameters): Likewise.
1135         (ipa_modify_call_arguments): Likewise.
1136         (ipa_modify_expr): Likewise.
1137         (get_ssa_base_param): Likewise.
1138         (ipa_get_adjustment_candidate): Likewise.
1139         (index_in_adjustments_multiple_times_p): Likewise.
1140         (ipa_combine_adjustments): Likewise.
1141         (ipa_dump_param_adjustments): Likewise.
1142         * tree-sra.c: Also include ipa-param-manipulation.h
1143         * omp-simd-clone.c: Include ipa-param-manipulation.h instead of
1144         ipa-param.h.
1146 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1147             Alan Hayward  <alan.hayward@arm.com>
1148             David Sherwood  <david.sherwood@arm.com>
1150         * doc/sourcebuild.texi (vect_masked_store): Document.
1152 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1153             Alan Hayward  <alan.hayward@arm.com>
1154             David Sherwood  <david.sherwood@arm.com>
1156         * doc/sourcebuild.texi (vect_align_stack_vars): Document.
1158 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1159             Alan Hayward  <alan.hayward@arm.com>
1160             David Sherwood  <david.sherwood@arm.com>
1162         * doc/sourcebuild.texi (vect_variable_length): Document.
1164 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1165             Alan Hayward  <alan.hayward@arm.com>
1166             David Sherwood  <david.sherwood@arm.com>
1168         * doc/sourcebuild.texi (vect_unaligned_possible): Document.
1170 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1171             Alan Hayward  <alan.hayward@arm.com>
1172             David Sherwood  <david.sherwood@arm.com>
1174         * doc/sourcebuild.texi (vect_element_align_preferred): Document.
1176 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1177             Alan Hayward  <alan.hayward@arm.com>
1178             David Sherwood  <david.sherwood@arm.com>
1180         * doc/sourcebuild.texi (vect_perm_short, vect_perm_byte): Document
1181         previously undocumented selectors.
1182         (vect_perm3_byte, vect_perm3_short, vect_perm3_int): Document.
1184 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1186         * doc/rtl.texi (const_vector): Say that elements can be
1187         const_wide_ints too.
1188         * emit-rtl.h (valid_for_const_vec_duplicate_p): Declare.
1189         * emit-rtl.c (valid_for_const_vec_duplicate_p): New function.
1190         (gen_vec_duplicate): Use it instead of CONSTANT_P.
1191         * optabs.c (expand_vector_broadcast): Likewise.
1193 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1194             Alan Hayward  <alan.hayward@arm.com>
1195             David Sherwood  <david.sherwood@arm.com>
1197         * tree-ssa-loop-ivopts.c (get_address_cost): Try using a
1198         scaled index even if the unscaled address was invalid.
1199         Don't increase the complexity of using a scale in that case.
1201 2017-11-09  Richard Sandiford  <richard.sandiford@linaro.org>
1202             Alan Hayward  <alan.hayward@arm.com>
1203             David Sherwood  <david.sherwood@arm.com>
1205         * doc/rtl.texi: Rewrite the subreg rules so that they partition
1206         the inner register into REGMODE_NATURAL_SIZE bytes rather than
1207         UNITS_PER_WORD bytes.
1208         * emit-rtl.c (validate_subreg): Divide subregs into blocks
1209         based on REGMODE_NATURAL_SIZE of the inner mode.
1210         (gen_lowpart_common): Split the SCALAR_FLOAT_MODE_P and
1211         !SCALAR_FLOAT_MODE_P cases.  Use REGMODE_NATURAL_SIZE for the latter.
1212         * expmed.c (lowpart_bit_field_p): Divide the value up into
1213         chunks of REGMODE_NATURAL_SIZE rather than UNITS_PER_WORD.
1214         * expr.c (store_constructor): Use REGMODE_NATURAL_SIZE to test
1215         whether something is likely to occupy more than one register.
1217 2017-11-09  Jan Hubicka  <hubicka@ucw.cz>
1219         PR ipa/82879
1220         * ipa-inline-transform.c (update_noncloned_frequencies): Use
1221         profile_count::adjust_for_ipa_scaling.
1222         * tree-inline.c (copy_bb, copy_cfg_body): Likewise.
1223         * profile-count.c (profile_count::adjust_for_ipa_scaling): New member
1224         function.
1225         * profile-count.h (profile_count::adjust_for_ipa_scaling): Declare.
1227 2017-11-09  Jakub Jelinek  <jakub@redhat.com>
1229         * gimple-ssa-store-merging.c (count_multiple_uses): New function.
1230         (split_group): Add total_orig and total_new arguments, estimate the
1231         number of statements related to the store group without store merging
1232         and with store merging.
1233         (imm_store_chain_info::output_merged_store): Adjust split_group
1234         callers, punt if estimated number of statements with store merging
1235         is not smaller than estimated number of statements without it.
1236         Formatting fix.
1237         (handled_load): Remove has_single_use checks.
1238         (pass_store_merging::process_store): Likewise.
1240 2017-11-09  Richard Biener  <rguenther@suse.de>
1242         PR tree-optimization/82902
1243         * tree-ssa-phiprop.c (propagate_with_phi): Test proper type.
1245 2017-11-09  Martin Liska  <mliska@suse.cz>
1247         PR target/82863
1248         * emit-rtl.c (init_emit_regs): Initialize split_branch_probability to
1249         uninitialized.
1251 2017-11-09  Martin Liska  <mliska@suse.cz>
1253         PR tree-optimization/82669
1254         * sbitmap.h (bmp_iter_set_init): Remove non needed check.
1256 2017-11-09  Martin Liska  <mliska@suse.cz>
1258         PR gcov-profile/48463
1259         * coverage.c (coverage_begin_function): Output also end locus
1260         of a function and information whether the function is
1261         artificial.
1262         * gcov-dump.c (tag_function): Parse and print the information.
1263         * gcov.c (INCLUDE_MAP): Add include.
1264         (INCLUDE_SET): Likewise.
1265         (struct line_info): Move earlier in the source file because
1266         of vector<line_info> in function_info structure.
1267         (line_info::line_info): Likewise.
1268         (line_info::has_block): Likewise.
1269         (struct source_info): Add new member index.
1270         (source_info::get_functions_at_location): New function.
1271         (function_info::group_line_p): New function.
1272         (output_intermediate_line): New function.
1273         (output_intermediate_file): Use the mentioned function.
1274         (struct function_start): New.
1275         (struct function_start_pair_hash): Likewise.
1276         (process_file): Add code that identifies group functions.
1277         Assign lines either to global or function scope.
1278         (generate_results): Skip artificial functions.
1279         (find_source): Assign index for each source file.
1280         (read_graph_file): Read new flag artificial and end_line.
1281         (add_line_counts): Assign it either to global of function scope.
1282         (accumulate_line_counts): Isolate core of the function to
1283         accumulate_line_info and call it for both function and global
1284         scope lines.
1285         (accumulate_line_info): New function.
1286         (output_line_beginning): Fix GNU coding style.
1287         (print_source_line): New function.
1288         (output_line_details): Likewise.
1289         (output_function_details): Likewise.
1290         (output_lines): Iterate both source (global) scope and function
1291         scope.
1292         (struct function_line_start_cmp): New class.
1293         * doc/gcov.texi: Reflect changes in documentation.
1295 2017-11-09  Jakub Jelinek  <jakub@redhat.com>
1297         PR debug/82837
1298         * dwarf2out.c (const_ok_for_output_1): Reject NEG in addition to NOT.
1299         (mem_loc_descriptor): Handle (const (neg (...))) as (neg (const (...)))
1300         and similarly for not instead of neg.
1302 2017-11-08  Andi Kleen  <ak@linux.intel.com>
1304         * config/i386/i386.opt: Add -mforce-indirect-call.
1305         * config/i386/predicates.md: Check for flag_force_indirect_call.
1306         * doc/invoke.texi: Document -mforce-indirect-call
1308 2017-11-08  Kito Cheng  <kito.cheng@gmail.com>
1310         * config/riscv/riscv-protos.h (riscv_slow_unaligned_access_p):
1311         New extern.
1312         (MOVE_RATIO): Use riscv_slow_unaligned_access_p.
1313         config/riscv/riscv.c (predict.h): New include.
1314         (riscv_slow_unaligned_access_p): No longer static.
1315         (riscv_block_move_straight): Add require.
1316         config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
1318 2017-11-08  Jakub Jelinek  <jakub@redhat.com>
1320         PR target/82855
1321         * config/i386/sse.md (<avx512>_eq<mode>3<mask_scalar_merge_name>,
1322         <avx512>_eq<mode>3<mask_scalar_merge_name>_1): Use
1323         nonimmediate_operand predicate for operand 1 instead of
1324         register_operand.
1326 2017-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1328         * config/aarch64/aarch64-simd.md (store_pair_lanes<mode>):
1329         New pattern.
1330         * config/aarch64/constraints.md (Uml): New constraint.
1331         * config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): New
1332         predicate.
1334 2017-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1336         * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge
1337         of two vec_duplicates into a vec_concat.
1339 2017-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1341         * simplify-rtx.c (simplify_ternary_operation, VEC_MERGE):
1342         Simplify vec_merge of vec_duplicate and vec_concat.
1343         * config/aarch64/constraints.md (Utq): New constraint.
1344         * config/aarch64/aarch64-simd.md (load_pair_lanes<mode>): New
1345         define_insn.
1347 2017-11-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1349         * simplify-rtx.c (simplify_ternary_operation, VEC_MERGE):
1350         Simplify vec_merge of vec_duplicate and const_vector.
1351         * config/aarch64/predicates.md (aarch64_simd_or_scalar_imm_zero):
1352         New predicate.
1353         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Use VDC
1354         mode iterator.  Update predicate on operand 1 to
1355         handle non-const_vec constants.  Delete constraints.
1356         (*aarch64_combinez_be<mode>): Likewise for operand 2.
1358 2017-11-08  Jakub Jelinek  <jakub@redhat.com>
1360         PR tree-optimization/78821
1361         * gimple-ssa-store-merging.c (struct store_operand_info): Add bit_not_p
1362         data member.
1363         (store_operand_info::store_operand_info): Initialize it to false.
1364         (pass_store_merging::terminate_all_aliasing_chains): Rewritten to use
1365         ref_maybe_used_by_stmt_p and stmt_may_clobber_ref_p on lhs of each
1366         store in the group, and if chain_info is non-NULL, to ignore altogether
1367         that chain.
1368         (compatible_load_p): Fail if bit_not_p does not match.
1369         (imm_store_chain_info::output_merged_store): Handle bit_not_p loads.
1370         (handled_load): Fill in bit_not_p.  Handle BIT_NOT_EXPR.
1371         (pass_store_merging::process_store): Adjust
1372         terminate_all_aliasing_chains calls to pass NULL in all current spots,
1373         call terminate_all_aliasing_chains newly when adding a store into
1374         a chain with non-NULL chain_info.
1376 2017-11-08  Wilco Dijkstra  <wdijkstr@arm.com>
1378         * config/aarch64/aarch64.c (aarch64_can_eliminate): Simplify logic.
1380 2017-11-08  Wilco Dijkstra  <wdijkstr@arm.com>
1382         * config/aarch64/aarch64.c (aarch64_frame_pointer_required)
1383         Remove.
1384         (aarch64_layout_frame): Initialise emit_frame_chain.
1385         (aarch64_can_eliminate): Remove omit leaf frame pointer code.
1386         (TARGET_FRAME_POINTER_REQUIRED): Remove define.
1388 2017-11-08  Martin Liska  <mliska@suse.cz>
1390         * gimplify.c (expand_FALLTHROUGH_r): Simplify usage
1391         of gimple_call_internal_p.
1393 2017-11-07  Tom de Vries  <tom@codesourcery.com>
1395         * config/mips/mips.h (ASM_OUTPUT_LABELREF): Wrap in "do {} while (0)".
1397 2017-11-07  Tom de Vries  <tom@codesourcery.com>
1399         * config/mips/mips.h (ASM_OUTPUT_CASE_END): Remove semicolon after
1400         "do {} while (0)".
1402 2017-11-08  Martin Liska  <mliska@suse.cz>
1404         PR sanitizer/82792
1405         * gimplify.c (expand_FALLTHROUGH_r): Skip IFN_ASAN_MARK.
1407 2017-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1409         * gimple-pretty-print.c (dump_profile): Return "" instead of NULL.
1411 2017-11-07  Jakub Jelinek  <jakub@redhat.com>
1413         PR target/82855
1414         * config/i386/i386.md (SWI1248_AVX512BWDQ2_64): New mode iterator.
1415         (*cmp<mode>_ccz_1): New insn with $k alternative.
1417         PR target/82855
1418         * config/i386/i386.c (ix86_swap_binary_operands_p): Treat
1419         RTX_COMM_COMPARE as commutative as well.
1420         (ix86_binary_operator_ok): Formatting fix.
1421         * config/i386/sse.md (*mul<mode>3<mask_name><round_name>,
1422         *<code><mode>3<mask_name><round_saeonly_name>,
1423         *<code><mode>3<mask_name>, *<code>tf3, *mul<mode>3<mask_name>,
1424         *<s>mul<mode>3_highpart<mask_name>,
1425         *vec_widen_umult_even_v16si<mask_name>,
1426         *vec_widen_umult_even_v8si<mask_name>,
1427         *vec_widen_umult_even_v4si<mask_name>,
1428         *vec_widen_smult_even_v16si<mask_name>,
1429         *vec_widen_smult_even_v8si<mask_name>, *sse4_1_mulv2siv2di3<mask_name>,
1430         *avx2_pmaddwd, *sse2_pmaddwd, *<sse4_1_avx2>_mul<mode>3<mask_name>,
1431         *avx2_<code><mode>3, *avx512f_<code><mode>3<mask_name>,
1432         *sse4_1_<code><mode>3<mask_name>, *<code>v8hi3,
1433         *sse4_1_<code><mode>3<mask_name>, *<code>v16qi3, *avx2_eq<mode>3,
1434         <avx512>_eq<mode>3<mask_scalar_merge_name>_1, *sse4_1_eqv2di3,
1435         *sse2_eq<mode>3, <mask_codefor><code><mode>3<mask_name>,
1436         *<code><mode>3, *<sse2_avx2>_uavg<mode>3<mask_name>,
1437         *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, *ssse3_pmulhrswv4hi3): Use
1438         !(MEM_P (operands[1]) && MEM_P (operands[2])) condition instead of
1439         ix86_binary_operator_ok.  Formatting fixes.
1440         (*<plusminus_insn><mode>3<mask_name><round_name>,
1441         *<plusminus_insn><mode>3, *<plusminus_insn><mode>3_m): Formatting
1442         fixes.
1444 2017-11-07  Segher Boessenkool  <segher@kernel.crashing.org>
1446         * config/rs6000/rs6000.md (GPR2): New mode_iterator.
1447         ("cstore<mode>4"): Don't always expand with rs6000_emit_int_cmove for
1448         eq and ne if TARGET_ISEL.
1449         (cmp): New code_iterator.
1450         (UNS, UNSU_, UNSIK): New code_attrs.
1451         (<code><GPR:mode><GPR2:mode>2_isel): New define_insn_and_split.
1452         ("eq<mode>3"): New define_expand, rename the define_insn_and_split
1453         to...
1454         ("eq<mode>3"): ... this.
1455         ("ne<mode>3"): New define_expand, rename the define_insn_and_split
1456         to...
1457         ("ne<mode>3"): ... this.
1459 2017-11-07  Julia Koval  <julia.koval@intel.com>
1461         PR target/82812
1462         * common/config/i386/i386-common.c
1463         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): Remove MPX from flag.
1464         (ix86_handle_option): Move MPX to isa_flags2 and GFNI to isa_flags.
1465         * config/i386/i386-c.c (ix86_target_macros_internal): Ditto.
1466         * config/i386/i386.opt: Ditto.
1467         * config/i386/i386.c (ix86_target_string): Ditto.
1468         (ix86_option_override_internal): Ditto.
1469         (ix86_init_mpx_builtins): Move MPX to args2.
1470         (ix86_expand_builtin): Special handling for OPTION_MASK_ISA_GFNI.
1471         * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8affineinvqb_v64qi,
1472         __builtin_ia32_vgf2p8affineinvqb_v64qi_mask,
1473         __builtin_ia32_vgf2p8affineinvqb_v32qi,
1474         __builtin_ia32_vgf2p8affineinvqb_v32qi_mask,
1475         __builtin_ia32_vgf2p8affineinvqb_v16qi,
1476         __builtin_ia32_vgf2p8affineinvqb_v16qi_mask): Move to ARGS array.
1478 2017-11-07  Uros Bizjak  <ubizjak@gmail.com>
1480         PR target/80425
1481         * config/i386.i386.md (*zero_extendsidi2): Change (?r,*Yj), (?*Yi,r)
1482         and (*x,m) to ($r,Yj), ($Yi,r) and ($x,m).
1483         (zero-extendsidi peephole2): Remove peephole.
1485 2017-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1487         PR c/53037
1488         * stor-layout.c: Include attribs.h.
1489         (handle_warn_if_not_align): Replace test on TYPE_USER_ALIGN with
1490         explicit lookup of "aligned" attribute.
1492 2017-11-07  Andrew Waterman  <andrew@sifive.com>
1494         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): New prototype.
1495         (riscv_expand_block_move): Likewise.
1496         * config/riscv/riscv.h (MOVE_RATIO): Tune cost to movmemsi
1497         implementation.
1498         (RISCV_MAX_MOVE_BYTES_PER_LOOP_ITER): New define.
1499         (RISCV_MAX_MOVE_BYTES_STRAIGHT): New define.
1500         * config/riscv/riscv.c (riscv_block_move_straight): New function.
1501         (riscv_adjust_block_mem): Likewise.
1502         (riscv_block_move_loop): Likewise.
1503         (riscv_expand_block_move): Likewise.
1504         gcc/config/riscv/riscv.md (movmemsi): New pattern.
1506 2017-11-07  Michael Clark  <michaeljclark@mac.com>
1508         * config/riscv/linux.h (MUSL_ABI_SUFFIX): New define.
1509         (MUSL_DYNAMIC_LINKER): Likewise.
1511 2017-11-07  Richard Sandiford  <richard.sandiford@linaro.org>
1513         * config/aarch64/aarch64.md (ashl<mode>3, ashr<mode>3, lshr<mode>3)
1514         (rotr<mode>3, rotl<mode>3): Use aarch64_reg_or_imm instead of
1515         nonmmory_operand.
1517 2017-11-07  Richard Biener  <rguenther@suse.de>
1519         * match.pd: Fix build.
1521 2017-11-07  Wilco Dijkstra  <wdijkstr@arm.com>
1522             Jackson Woodruff  <jackson.woodruff@arm.com>
1524         PR tree-optimization/71026
1525         * match.pd: Canonicalize negate in division.
1527 2017-11-07  Sudakshina Das  <sudi.das@arm.com>
1529         PR middle-end/80131
1530         * match.pd: Simplify 1 << (C - x) where C = precision (x) - 1.
1532 2017-11-07  Marc Glisse  <marc.glisse@inria.fr>
1534         * match.pd ((a&~b)|(a^b),(a&~b)^~a,(a|b)&~(a^b),a|~(a^b),
1535         (a|b)|(a&^b),(a&b)|~(a^b),~(~a&b),~X^Y): New transformations.
1537 2017-11-07  Marc Glisse  <marc.glisse@inria.fr>
1539         * fold-const.c (negate_expr_p) [PLUS_EXPR, MINUS_EXPR]: Handle
1540         non-scalar integral types.
1541         * match.pd (negate_expr_p): Handle MINUS_EXPR.
1542         (-(A-B), -(~A)): New transformations.
1544 2017-11-07  Tom de Vries  <tom@codesourcery.com>
1546         * config/powerpcspe/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Remove
1547         semicolon after "do {} while (0)".
1548         * config/powerpcspe/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1549         * config/powerpcspe/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1550         * config/powerpcspe/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1551         * config/powerpcspe/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1552         * config/powerpcspe/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1554 2017-11-07  Tom de Vries  <tom@codesourcery.com>
1556         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Remove semicolon
1557         after "do {} while (0)".
1558         * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1559         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1560         * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1561         * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1562         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1564 2017-11-07  Tom de Vries  <tom@codesourcery.com>
1566         PR other/82784
1567         * config/arm/arm.c (HANDLE_NARROW_SHIFT_ARITH): Remove semicolon after
1568         "while {} do (0)".
1569         (arm_rtx_costs_internal): Add missing semicolon after
1570         HANDLE_NARROW_SHIFT_ARITH call.
1572 2017-11-06  Segher Boessenkool  <segher@kernel.crashing.org>
1574         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1575         disable isel if it was not set explicitly.
1577 2017-11-06  James Bowman  <james.bowman@ftdichip.com>
1579         * gcc/dwarf2out.c (modified_type_die): Retain ADDR_SPACE
1580         qualifiers.
1581         (add_type_attribute) likewise.
1583 2017-11-06  H.J. Lu  <hongjiu.lu@intel.com>
1585         * config/i386/i386.c (ix86_can_use_return_insn_p): Use reference
1586         of struct ix86_frame.
1587         (ix86_initial_elimination_offset): Likewise.
1588         (ix86_expand_split_stack_prologue): Likewise.
1590 2017-11-06  Marc Glisse  <marc.glisse@inria.fr>
1592         * tree-vrp.h (enum value_range_type): Update stale comment.
1594 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1595             Alan Hayward  <alan.hayward@arm.com>
1596             David Sherwood  <david.sherwood@arm.com>
1598         * config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm)
1599         (aarch64_expand_vec_perm_const): Take the number of units too.
1600         * config/aarch64/aarch64.c (aarch64_expand_vec_perm)
1601         (aarch64_expand_vec_perm_const): Likewise.
1602         * config/aarch64/aarch64-simd.md (vec_perm_const<mode>)
1603         (vec_perm<mode>): Update accordingly.
1605 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1606             Alan Hayward  <alan.hayward@arm.com>
1607             David Sherwood  <david.sherwood@arm.com>
1609         * config/aarch64/aarch64-protos.h (aarch64_simd_vect_par_cnst_half):
1610         Take the number of units too.
1611         * config/aarch64/aarch64.c (aarch64_simd_vect_par_cnst_half): Likewise.
1612         (aarch64_simd_check_vect_par_cnst_half): Update call accordingly,
1613         but check for a vector mode before rather than after the call.
1614         * config/aarch64/aarch64-simd.md (aarch64_split_simd_mov<mode>)
1615         (move_hi_quad_<mode>, vec_unpack<su>_hi_<mode>)
1616         (vec_unpack<su>_lo_<mode, vec_widen_<su>mult_lo_<mode>)
1617         (vec_widen_<su>mult_hi_<mode>, vec_unpacks_lo_<mode>)
1618         (vec_unpacks_hi_<mode>, aarch64_saddl2<mode>, aarch64_uaddl2<mode>)
1619         (aarch64_ssubl2<mode>, aarch64_usubl2<mode>, widen_ssum<mode>3)
1620         (widen_usum<mode>3, aarch64_saddw2<mode>, aarch64_uaddw2<mode>)
1621         (aarch64_ssubw2<mode>, aarch64_usubw2<mode>, aarch64_sqdmlal2<mode>)
1622         (aarch64_sqdmlsl2<mode>, aarch64_sqdmlal2_lane<mode>)
1623         (aarch64_sqdmlal2_laneq<mode>, aarch64_sqdmlsl2_lane<mode>)
1624         (aarch64_sqdmlsl2_laneq<mode>, aarch64_sqdmlal2_n<mode>)
1625         (aarch64_sqdmlsl2_n<mode>, aarch64_sqdmull2<mode>)
1626         (aarch64_sqdmull2_lane<mode>, aarch64_sqdmull2_laneq<mode>)
1627         (aarch64_sqdmull2_n<mode>): Update accordingly.
1629 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1630             Alan Hayward  <alan.hayward@arm.com>
1631             David Sherwood  <david.sherwood@arm.com>
1633         * config/aarch64/aarch64-protos.h (aarch64_reverse_mask): Take
1634         the number of units too.
1635         * config/aarch64/aarch64.c (aarch64_reverse_mask): Likewise.
1636         * config/aarch64/aarch64-simd.md (vec_load_lanesoi<mode>)
1637         (vec_store_lanesoi<mode>, vec_load_lanesci<mode>)
1638         (vec_store_lanesci<mode>, vec_load_lanesxi<mode>)
1639         (vec_store_lanesxi<mode>): Update accordingly.
1641 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1642             Alan Hayward  <alan.hayward@arm.com>
1643             David Sherwood  <david.sherwood@arm.com>
1645         * config/aarch64/aarch64-protos.h (aarch64_endian_lane_rtx): Declare.
1646         * config/aarch64/aarch64.c (aarch64_endian_lane_rtx): New function.
1647         * config/aarch64/aarch64.h (ENDIAN_LANE_N): Take the number
1648         of units rather than the mode.
1649         * config/aarch64/iterators.md (nunits): New mode attribute.
1650         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args):
1651         Use aarch64_endian_lane_rtx instead of GEN_INT (ENDIAN_LANE_N ...).
1652         * config/aarch64/aarch64-simd.md (aarch64_dup_lane<mode>)
1653         (aarch64_dup_lane_<vswap_width_name><mode>, *aarch64_mul3_elt<mode>)
1654         (*aarch64_mul3_elt_<vswap_width_name><mode>): Likewise.
1655         (*aarch64_mul3_elt_to_64v2df, *aarch64_mla_elt<mode>): Likewise.
1656         (*aarch64_mla_elt_<vswap_width_name><mode>, *aarch64_mls_elt<mode>)
1657         (*aarch64_mls_elt_<vswap_width_name><mode>, *aarch64_fma4_elt<mode>)
1658         (*aarch64_fma4_elt_<vswap_width_name><mode>):: Likewise.
1659         (*aarch64_fma4_elt_to_64v2df, *aarch64_fnma4_elt<mode>): Likewise.
1660         (*aarch64_fnma4_elt_<vswap_width_name><mode>): Likewise.
1661         (*aarch64_fnma4_elt_to_64v2df, reduc_plus_scal_<mode>): Likewise.
1662         (reduc_plus_scal_v4sf, reduc_<maxmin_uns>_scal_<mode>): Likewise.
1663         (reduc_<maxmin_uns>_scal_<mode>): Likewise.
1664         (*aarch64_get_lane_extend<GPI:mode><VDQQH:mode>): Likewise.
1665         (*aarch64_get_lane_zero_extendsi<mode>): Likewise.
1666         (aarch64_get_lane<mode>, *aarch64_mulx_elt_<vswap_width_name><mode>)
1667         (*aarch64_mulx_elt<mode>, *aarch64_vgetfmulx<mode>): Likewise.
1668         (aarch64_sq<r>dmulh_lane<mode>, aarch64_sq<r>dmulh_laneq<mode>)
1669         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Likewise.
1670         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
1671         (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Likewise.
1672         (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Likewise.
1673         (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Likewise.
1674         (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Likewise.
1675         (aarch64_sqdmull_lane<mode>, aarch64_sqdmull_laneq<mode>): Likewise.
1676         (aarch64_sqdmull2_lane<mode>_internal): Likewise.
1677         (aarch64_sqdmull2_laneq<mode>_internal): Likewise.
1678         (aarch64_vec_load_lanesoi_lane<mode>): Likewise.
1679         (aarch64_vec_store_lanesoi_lane<mode>): Likewise.
1680         (aarch64_vec_load_lanesci_lane<mode>): Likewise.
1681         (aarch64_vec_store_lanesci_lane<mode>): Likewise.
1682         (aarch64_vec_load_lanesxi_lane<mode>): Likewise.
1683         (aarch64_vec_store_lanesxi_lane<mode>): Likewise.
1684         (aarch64_simd_vec_set<mode>): Update use of ENDIAN_LANE_N.
1685         (aarch64_simd_vec_setv2di): Likewise.
1687 2017-11-06  Carl Love  <cel@us.ibm.com>
1689         * config/rs6000/rs6000-c.c (P8V_BUILTIN_VEC_REVB): Add power 8
1690         definitions.
1691         (P9V_BUILTIN_VEC_REVB): Remove the power 9 instance definitions.
1692         * config/rs6000/altivec.h (vec_revb): Change the #define from power 9
1693         to power 8.
1694         * config/rs6000/r6000-protos.h (swap_endian_selector_for_mode): Add new
1695         extern declaration.
1696         * config/rs6000/rs6000.c (swap_endian_selector_for_mode): Add function.
1697         * config/rs6000/rs6000-builtin.def (BU_P8V_VSX_1, BU_P8V_OVERLOAD_1):
1698         Add power 8 macro expansions.
1699         (BU_P9V_OVERLOAD_1): Remove power 9 overload expansion.
1700         * config/rs6000/vsx.md (revb_<mode>): Add define_expand to generate
1701         power 8 instructions.  (VSX_XXBR): Add iterator.
1703 2017-11-06  Wilco Dijkstra  <wdijkstr@arm.com>
1705         * config/arm/arm.md (predicable_short_it): Change default to "no",
1706         improve documentation, remove uses that are identical to the default.
1707         (enabled_for_depr_it): Rename to enabled_for_short_it.
1708         * gcc/config/arm/arm-fixed.md (predicable_short_it):
1709         Remove default uses.
1710         * gcc/config/arm/ldmstm.md (predicable_short_it): Likewise.
1711         * gcc/config/arm/sync.md (predicable_short_it): Likewise.
1712         * gcc/config/arm/thumb2.md (predicable_short_it): Likewise.
1713         * gcc/config/arm/vfp.md (predicable_short_it): Likewise.
1715 2017-11-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1717         PR target/82748
1718         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_1): Delete
1719         float128 helper macros, which are no longer used after deleting
1720         the old 'q' built-in functions, and moving the round to odd
1721         built-in functions to being special built-in functions.
1722         (BU_FLOAT128_2): Likewise.
1723         (BU_FLOAT128_1_HW): Likewise.
1724         (BU_FLOAT128_2_HW): Likewise.
1725         (BU_FLOAT128_3_HW): Likewise.
1726         (FABSQ): Delete old 'q' built-in functions.
1727         (COPYSIGNQ): Likewise.
1728         (SQRTF128_ODD): Move round to odd built-in functions to be
1729         special built-in functions, so that we can handle
1730         -mabi=ieeelongdouble.
1731         (TRUNCF128_ODD): Likewise.
1732         (ADDF128_ODD): Likewise.
1733         (SUBF128_ODD): Likewise.
1734         (MULF128_ODD): Likewise.
1735         (DIVF128_ODD): Likewise.
1736         (FMAF128_ODD): Likewise.
1737         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Map old 'q'
1738         built-in names to 'f128'.
1739         * config/rs6000/rs6000.c (rs6000_fold_builtin): Remove folding the
1740         old 'q' built-in functions, as the machine independent code for
1741         'f128' built-in functions handles this.
1742         (rs6000_expand_builtin): Add expansion for float128 round to odd
1743         functions, keying off on -mabi=ieeelongdouble of whether to use
1744         the KFmode or TFmode variant.
1745         (rs6000_init_builtins): Initialize the _Float128 round to odd
1746         built-in functions.
1747         * doc/extend.texi (PowerPC Built-in Functions): Document the old
1748         _Float128 'q' built-in functions are now mapped into the new
1749         'f128' built-in functions.
1751 2017-11-06  David Edelsohn  <dje.gcc@gmail.com>
1753         * collect2.c (add_lto_object): Compile for OBJECT_COFF.
1754         (scan_prog_file): Don't skip PASS_LTOINFO. Scan for LTO objects.
1756 2017-11-06  David Malcolm  <dmalcolm@redhat.com>
1758         PR jit/82826
1759         * ipa-fnsummary.c (ipa_fnsummary_c_finalize): New function.
1760         * ipa-fnsummary.h (ipa_fnsummary_c_finalize): New decl.
1761         * toplev.c: Include "ipa-fnsummary.h".
1762         (toplev::finalize): Call ipa_fnsummary_c_finalize.
1764 2017-11-06  Jakub Jelinek  <jakub@redhat.com>
1766         PR tree-optimization/82838
1767         * gimple-ssa-store-merging.c
1768         (imm_store_chain_info::output_merged_store): Call force_gimple_operand_1
1769         on a separate gimple_seq which is then appended to seq.
1771 2017-11-06  Jeff Law  <law@redhat.com>
1773         PR target/82788
1774         * config/i386/i386.c (PROBE_INTERVAL): Remove.
1775         (get_probe_interval): New functions.
1776         (ix86_adjust_stack_and_probe_stack_clash): Use get_probe_interval.
1777         (ix86_adjust_stack_and_probe): Likewise.
1778         (output_adjust_stack_and_probe): Likewise.
1779         (ix86_emit_probe_stack_range): Likewise.
1780         (ix86_expand_prologue): Likewise.
1782 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1784         PR tree-optimization/82816
1785         * tree-ssa-math-opts.c (convert_mult_to_widen): Return false
1786         if the modes of the two types are the same.
1787         (convert_plusminus_to_widen): Likewise.
1789 2017-11-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1791         * config/rs6000/altivec.md (*p9_vadu<mode>3) Rename to
1792         p9_vadu<mode>3.
1793         (usadv16qi): New define_expand.
1794         (usadv8hi): New define_expand.
1796 2017-11-06  Jan Hubicka  <hubicka@ucw.cz>
1798         PR bootstrap/82832
1799         * ipa-inline-transform.c (update_noncloned_frequencies): Always
1800         scale.
1801         (inline_transform): Likewise.
1802         * predict.c (counts_to_freqs): Remove useless conditional.
1803         * profile-count.h (profile_count::apply_scale): Move sanity check.
1804         * tree-inline.c (copy_bb): Always scale.
1805         (copy_cfg_body): Likewise.
1807 2017-11-06  Christophe Lyon  <christophe.lyon@linaro.org>
1809         PR target/67591
1810         * config/arm/arm.md (*sub_shiftsi): Add predicable_short_it
1811         attribute.
1812         (*cmp_ite0): Add enabled_for_depr_it attribute.
1813         (*cmp_ite1): Likewise.
1815 2017-11-06  Segher Boessenkool  <segher@kernel.crashing.org>
1817         * config/rs6000/rs6000.c (rs6000_insn_cost): Handle TYPE_MFCR and
1818         TYPE_MFCRF.
1820 2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
1822         * tree-vrp.c (vrp_int_const_binop): Return true on success and
1823         return the value by pointer.
1824         (extract_range_from_multiplicative_op_1): Update accordingly.
1825         Return as soon as an operation fails.
1827 2017-11-05  Tom de Vries  <tom@codesourcery.com>
1829         PR other/82784
1830         * asan.c (DEF_SANITIZER_BUILTIN_1): Factor out of ...
1831         (DEF_SANITIZER_BUILTIN): ... here.
1832         (initialize_sanitizer_builtins): Use DEF_SANITIZER_BUILTIN_1 instead of
1833         DEF_SANITIZER_BUILTIN in if stmt.  Add missing semicolon.
1835 2017-11-05  Tom de Vries  <tom@codesourcery.com>
1837         PR other/82784
1838         * config/elfos.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove semicolon after
1839         macro body.
1840         (ASM_OUTPUT_CASE_LABEL): Add semicolon after
1841         ASM_OUTPUT_BEFORE_CASE_LABEL call.
1842         * config/arc/arc.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove semicolon
1843         after macro body.
1844         * config/m68k/m68kelf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Same.
1845         * config/mips/mips.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Same.
1846         * config/v850/v850.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Same.
1848 2017-11-05  Tom de Vries  <tom@codesourcery.com>
1850         PR other/82784
1851         * graphite-scop-detection.c (DEBUG_PRINT): Remove semicolon after
1852         "do {} while (0)".
1854 2017-11-04  Michael Clark  <michaeljclark@mac.com>
1856         * config/riscv/riscv.c (riscv_print_operand): Add a 'i' format.
1857         config/riscv/riscv.md (addsi3): Use 'i' for immediates.
1858         (adddi3): Likewise.
1859         (*addsi3_extended): Likewise.
1860         (*addsi3_extended2): Likewise.
1861         (<optab>si3): Likewise.
1862         (<optab>di3): Likewise.
1863         (<optab><mode>3): Likewise.
1864         (<*optabe>si3_internal): Likewise.
1865         (zero_extendqi<SUPERQI:mode>2): Likewise.
1866         (*add<mode>hi3): Likewise.
1867         (*xor<mode>hi3): Likewise.
1868         (<optab>di3): Likewise.
1869         (*<optab>si3_extend): Likewise.
1870         (*sge<u>_<X:mode><GPR:mode>): Likewise.
1871         (*slt<u>_<X:mode><GPR:mode>): Likewise.
1872         (*sle<u>_<X:mode><GPR:mode>): Likewise.
1874 2017-11-04  Andrew Waterman  <andrew@sifive.com>
1876         * config/riscv/riscv.c (riscv_option_override): Conditionally set
1877         TARGET_STRICT_ALIGN based upon -mtune argument.
1879 2017-11-04  Andrew Waterman  <andrew@sifive.com>
1881         * config/riscv/riscv.h (SLOW_BYTE_ACCESS): Change to 1.
1883 2017-11-04  Daniel Santos  <daniel.santos@pobox.com>
1885         config/i386/i386.c (choose_basereg): Use optional scratch
1886         register and add assertion.
1887         (x86_emit_outlined_ms2sysv_save): Use scratch register when
1888         needed, and don't allocate stack.
1889         (ix86_expand_prologue): Rearrange where SSE saves/stub call is
1890         emitted, correct wrong allocation with -mcall-ms2sysv-xlogues.
1891         (ix86_emit_outlined_ms2sysv_restore): Fix non-immediate offsets.
1893 2017-11-03  Jeff Law  <law@redhat.com>
1895         * config/i386/i386.c (ix86_emit_restore_reg_using_pop): Prototype.
1896         (ix86_adjust_stack_and_probe_stack_clash): Use a push/pop sequence
1897         to probe at the start of a noreturn function.
1899 2017-11-03  Jakub Jelinek  <jakub@redhat.com>
1901         PR tree-optimization/78821
1902         * gimple-ssa-store-merging.c: Update the file comment.
1903         (MAX_STORE_ALIAS_CHECKS): Define.
1904         (struct store_operand_info): New type.
1905         (store_operand_info::store_operand_info): New constructor.
1906         (struct store_immediate_info): Add rhs_code and ops data members.
1907         (store_immediate_info::store_immediate_info): Add rhscode, op0r
1908         and op1r arguments to the ctor, initialize corresponding data members.
1909         (struct merged_store_group): Add load_align_base and load_align
1910         data members.
1911         (merged_store_group::merged_store_group): Initialize them.
1912         (merged_store_group::do_merge): Update them.
1913         (merged_store_group::apply_stores): Pick the constant for
1914         encode_tree_to_bitpos from one of the two operands, or skip
1915         encode_tree_to_bitpos if neither operand is a constant.
1916         (class pass_store_merging): Add process_store method decl.  Remove
1917         bool argument from terminate_all_aliasing_chains method decl.
1918         (pass_store_merging::terminate_all_aliasing_chains): Remove
1919         var_offset_p argument and corresponding handling.
1920         (stmts_may_clobber_ref_p): New function.
1921         (compatible_load_p): New function.
1922         (imm_store_chain_info::coalesce_immediate_stores): Terminate group
1923         if there is overlap and rhs_code is not INTEGER_CST.  For
1924         non-overlapping stores terminate group if rhs is not mergeable.
1925         (get_alias_type_for_stmts): Change first argument from
1926         auto_vec<gimple *> & to vec<gimple *> &.  Add IS_LOAD, CLIQUEP and
1927         BASEP arguments.  If IS_LOAD is true, look at rhs1 of the stmts
1928         instead of lhs.  Compute *CLIQUEP and *BASEP in addition to the
1929         alias type.
1930         (get_location_for_stmts): Change first argument from
1931         auto_vec<gimple *> & to vec<gimple *> &.
1932         (struct split_store): Remove orig_stmts data member, add orig_stores.
1933         (split_store::split_store): Create orig_stores rather than orig_stmts.
1934         (find_constituent_stmts): Renamed to ...
1935         (find_constituent_stores): ... this.  Change second argument from
1936         vec<gimple *> * to vec<store_immediate_info *> *, push pointers
1937         to info structures rather than the statements.
1938         (split_group): Rename ALLOW_UNALIGNED argument to
1939         ALLOW_UNALIGNED_STORE, add ALLOW_UNALIGNED_LOAD argument and handle
1940         it.  Adjust find_constituent_stores caller.
1941         (imm_store_chain_info::output_merged_store): Handle rhs_code other
1942         than INTEGER_CST, adjust split_group, get_alias_type_for_stmts and
1943         get_location_for_stmts callers.  Set MR_DEPENDENCE_CLIQUE and
1944         MR_DEPENDENCE_BASE on the MEM_REFs if they are the same in all stores.
1945         (mem_valid_for_store_merging): New function.
1946         (handled_load): New function.
1947         (pass_store_merging::process_store): New method.
1948         (pass_store_merging::execute): Use process_store method.  Adjust
1949         terminate_all_aliasing_chains caller.
1951 2017-11-03  Wilco Dijkstra  <wdijkstr@arm.com>
1953         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
1954         Return true for more constants, symbols and label references.
1955         (aarch64_valid_floating_const): Remove unused function.
1957 2017-11-03  Wilco Dijkstra  <wdijkstr@arm.com>
1959         PR target/82786
1960         * config/aarch64/aarch64.c (aarch64_layout_frame):
1961         Undo forcing of LR at bottom of frame.
1963 2017-11-03  Jeff Law  <law@redhat.com>
1965         PR target/82823
1966         * config/i386/i386.c (ix86_expand_prologue): Tighten assert
1967         for int_registers_saved.
1969         * cfganal.c (single_pred_edge_ignoring_loop_edges): New function
1970         extracted from tree-ssa-dom.c.
1971         * cfganal.h (single_pred_edge_ignoring_loop_edges): Prototype.
1972         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): Remove.
1973         (record_equivalences_from_incoming_edge): Add additional argument
1974         to single_pred_edge_ignoring_loop_edges call.
1975         * tree-ssa-uncprop.c (single_incoming_edge_ignoring_loop_edges): Remove.
1976         (uncprop_dom_walker::before_dom_children): Add additional argument
1977         to single_pred_edge_ignoring_loop_edges call.
1978         * tree-ssa-sccvn.c (sccvn_dom_walker::before_dom_children): Use
1979         single_pred_edge_ignoring_loop_edges rather than open coding.
1980         * tree-vrp.c (evrp_dom_walker::before_dom_children): Similarly.
1982 2017-11-03  Marc Glisse  <marc.glisse@inria.fr>
1984         * match.pd (-(-A)): Rewrite.
1986 2017-11-03  Segher Boessenkool  <segher@kernel.crashing.org>
1988         * config/rs6000/rs60000-protos.h (rs6000_emit_sISEL): Delete.
1989         (rs6000_emit_int_cmove): New declaration.
1990         * config/rs6000/rs6000.c (rs6000_emit_int_cmove): Delete declaration.
1991         (rs6000_emit_sISEL): Delete.
1992         (rs6000_emit_int_cmove): Make non-static.
1993         * config/rs6000/rs6000.md (cstore<mode>4): Use rs6000_emit_int_cmove
1994         instead of rs6000_emit_sISEL.
1996 2017-11-03  Jan Hubicka  <hubicka@ucw.cz>
1998         * asan.c (create_cond_insert_point): Maintain profile.
1999         * ipa-utils.c (ipa_merge_profiles): Be sure only IPA profiles are
2000         merged.
2001         * basic-block.h (struct basic_block_def): Remove frequency.
2002         (EDGE_FREQUENCY): Use to_frequency
2003         * bb-reorder.c (push_to_next_round_p): Use only IPA counts for global
2004         heuristics.
2005         (find_traces): Update to use to_frequency.
2006         (find_traces_1_round): Likewise; use only IPA counts.
2007         (bb_to_key): Likewise.
2008         (connect_traces): Use IPA counts only.
2009         (copy_bb_p): Update to use to_frequency.
2010         (fix_up_crossing_landing_pad): Likewise.
2011         (sanitize_hot_paths): Likewise.
2012         * bt-load.c (basic_block_freq): Likewise.
2013         * cfg.c (init_flow): Set count_max to uninitialized.
2014         (check_bb_profile): Remove frequencies; check counts.
2015         (dump_bb_info): Do not dump frequencies.
2016         (update_bb_profile_for_threading): Update counts only.
2017         (scale_bbs_frequencies_int): Likewise.
2018         (MAX_SAFE_MULTIPLIER): Remove.
2019         (scale_bbs_frequencies_gcov_type): Update counts only.
2020         (scale_bbs_frequencies_profile_count): Update counts only.
2021         (scale_bbs_frequencies): Update counts only.
2022         * cfg.h (struct control_flow_graph): Add count-max.
2023         (update_bb_profile_for_threading): Update prototype.
2024         * cfgbuild.c (find_bb_boundaries): Do not update frequencies.
2025         (find_many_sub_basic_blocks): Likewise.
2026         * cfgcleanup.c (try_forward_edges): Likewise.
2027         (try_crossjump_to_edge): Likewise.
2028         * cfgexpand.c (expand_gimple_cond): Likewise.
2029         (expand_gimple_tailcall): Likewise.
2030         (construct_init_block): Likewise.
2031         (construct_exit_block): Likewise.
2032         * cfghooks.c (verify_flow_info): Check consistency of counts.
2033         (dump_bb_for_graph): Do not dump frequencies.
2034         (split_block_1): Do not update frequencies.
2035         (split_edge): Do not update frequencies.
2036         (make_forwarder_block): Do not update frequencies.
2037         (duplicate_block): Do not update frequencies.
2038         (account_profile_record): Do not update frequencies.
2039         * cfgloop.c (find_subloop_latch_edge_by_profile): Use IPA counts
2040         for global heuristics.
2041         * cfgloopanal.c (average_num_loop_insns): Update to use to_frequency.
2042         (expected_loop_iterations_unbounded): Use counts only.
2043         * cfgloopmanip.c (scale_loop_profile): Simplify.
2044         (create_empty_loop_on_edge): Simplify
2045         (loopify): Simplify
2046         (duplicate_loop_to_header_edge): Simplify
2047         * cfgrtl.c (force_nonfallthru_and_redirect): Update profile.
2048         (update_br_prob_note): Take care of removing note when profile
2049         becomes undefined.
2050         (relink_block_chain): Do not dump frequency.
2051         (rtl_account_profile_record): Use to_frequency.
2052         * cgraph.c (symbol_table::create_edge): Convert count to ipa count.
2053         (cgraph_edge::redirect_call_stmt_to_calle): Conver tcount to ipa count.
2054         (cgraph_update_edges_for_call_stmt_node): Likewise.
2055         (cgraph_edge::verify_count_and_frequency): Update.
2056         (cgraph_node::verify_node): Temporarily disable frequency verification.
2057         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use
2058         to_cgraph_frequency.
2059         (cgraph_edge::rebuild_edges): Convert to ipa counts.
2060         * cgraphunit.c (init_lowered_empty_function): Do not initialize
2061         frequencies.
2062         (cgraph_node::expand_thunk): Update profile.
2063         * except.c (dw2_build_landing_pads): Do not update frequency.
2064         * final.c (compute_alignments): Use to_frequency.
2065         (dump_basic_block_info): Do not dump frequency.
2066         * gimple-pretty-print.c (dump_profile): Do not dump frequency.
2067         (dump_gimple_bb_header): Do not dump frequency.
2068         * gimple-ssa-isolate-paths.c (isolate_path): Do not update frequency;
2069         do update count.
2070         * gimple-streamer-in.c (input_bb): Do not stream frequency.
2071         * gimple-streamer-out.c (output_bb): Do not stream frequency.
2072         * haifa-sched.c (sched_pressure_start_bb): Use to_freuqency.
2073         (init_before_recovery): Do not update frequency.
2074         (sched_create_recovery_edges): Do not update frequency.
2075         * hsa-gen.c (convert_switch_statements): Do not update frequency.
2076         * ipa-cp.c (ipcp_propagate_stage): Update search for max_count.
2077         (ipa_cp_c_finalize): Set max_count to uninitialized.
2078         * ipa-fnsummary.c (get_minimal_bb): Use counts.
2079         (param_change_prob): Use counts.
2080         * ipa-profile.c (ipa_profile_generate_summary): Do not summarize
2081         local profiles.
2082         * ipa-split.c (consider_split): Use to_frequency.
2083         (split_function): Use to_frequency.
2084         * ira-build.c (loop_compare_func): Likewise.
2085         (mark_loops_for_removal): Likewise.
2086         (mark_all_loops_for_removal): Likewise.
2087         * loop-doloop.c (doloop_modify): Do not update frequency.
2088         * loop-unroll.c (unroll_loop_runtime_iterations): Do not update
2089         frequency.
2090         * lto-streamer-in.c (input_function): Update count_max.
2091         * omp-expand.c (expand_omp_taskreg): Update count_max.
2092         * omp-simd-clone.c (simd_clone_adjust): Update profile.
2093         * predict.c (maybe_hot_frequency_p): Use to_frequency.
2094         (maybe_hot_count_p): Use ipa counts only.
2095         (maybe_hot_bb_p): Simplify.
2096         (maybe_hot_edge_p): Simplify.
2097         (probably_never_executed): Do not take frequency argument.
2098         (probably_never_executed_bb_p): Do not pass frequency.
2099         (probably_never_executed_edge_p): Likewise.
2100         (combine_predictions_for_bb): Check that profile is nonzero.
2101         (propagate_freq): Do not set frequency.
2102         (drop_profile): Simplify.
2103         (counts_to_freqs): Simplify.
2104         (expensive_function_p): Use to_frequency.
2105         (propagate_unlikely_bbs_forward): Simplify.
2106         (determine_unlikely_bbs): Simplify.
2107         (estimate_bb_frequencies): Add hack to silence graphite issues.
2108         (compute_function_frequency): Use ipa counts.
2109         (pass_profile::execute): Update.
2110         (rebuild_frequencies): Use counts only.
2111         (force_edge_cold): Use counts only.
2112         * profile-count.c (profile_count::dump): Dump new count types.
2113         (profile_count::differs_from_p): Check compatiblity.
2114         (profile_count::to_frequency): New function.
2115         (profile_count::to_cgraph_frequency): New function.
2116         * profile-count.h (struct function): Declare.
2117         (enum profile_quality): Add profile_guessed_local and
2118         profile_guessed_global0.
2119         (class profile_proability): Decrease number of bits to 29;
2120         update from_reg_br_prob_note and to_reg_br_prob_note.
2121         (class profile_count: Update comment; decrease number of bits
2122         to 61. Check compatibility.
2123         (profile_count::compatible_p): New private member function.
2124         (profile_count::ipa_p): New member function.
2125         (profile_count::operator<): Handle global zero correctly.
2126         (profile_count::operator>): Handle global zero correctly.
2127         (profile_count::operator<=): Handle global zero correctly.
2128         (profile_count::operator>=): Handle global zero correctly.
2129         (profile_count::nonzero_p): New member function.
2130         (profile_count::force_nonzero): New member function.
2131         (profile_count::max): New member function.
2132         (profile_count::apply_scale): Handle IPA scalling.
2133         (profile_count::guessed_local): New member function.
2134         (profile_count::global0): New member function.
2135         (profile_count::ipa): New member function.
2136         (profile_count::to_frequency): Declare.
2137         (profile_count::to_cgraph_frequency): Declare.
2138         * profile.c (OVERLAP_BASE): Delete.
2139         (compute_frequency_overlap): Delete.
2140         (compute_branch_probabilities): Do not use compute_frequency_overlap.
2141         * regs.h (REG_FREQ_FROM_BB): Use to_frequency.
2142         * sched-ebb.c (rank): Use counts only.
2143         * shrink-wrap.c (handle_simple_exit): Use counts only.
2144         (try_shrink_wrapping): Use counts only.
2145         (place_prologue_for_one_component): Use counts only.
2146         * tracer.c (find_best_predecessor): Use to_frequency.
2147         (find_trace): Use to_frequency.
2148         (tail_duplicate): Use to_frequency.
2149         * trans-mem.c (expand_transaction): Do not update frequency.
2150         * tree-call-cdce.c: Do not update frequency.
2151         * tree-cfg.c (gimple_find_sub_bbs): Likewise.
2152         (gimple_merge_blocks): Likewise.
2153         (gimple_split_edge): Likewise.
2154         (gimple_duplicate_sese_region): Likewise.
2155         (gimple_duplicate_sese_tail): Likewise.
2156         (move_sese_region_to_fn): Likewise.
2157         (gimple_account_profile_record): Likewise.
2158         (insert_cond_bb): Likewise.
2159         * tree-complex.c (expand_complex_div_wide): Likewise.
2160         * tree-eh.c (lower_resx): Update profile.
2161         * tree-inline.c (copy_bb): Simplify count scaling; do not scale
2162         frequencies.
2163         (initialize_cfun): Do not initialize frequencies
2164         (freqs_to_counts): Delete.
2165         (copy_cfg_body): Ignore count parameter.
2166         (copy_body): Update.
2167         (expand_call_inline): Update count_max.
2168         (optimize_inline_calls): Update count_max.
2169         (tree_function_versioning): Update count_max.
2170         * tree-ssa-coalesce.c (coalesce_cost_bb): Use to_frequency.
2171         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Do not update
2172         frequency.
2173         * tree-ssa-loop-im.c (execute_sm_if_changed): Use counts only.
2174         * tree-ssa-loop-ivcanon.c (unloop_loops): Do not update freuqency.
2175         (try_peel_loop): Likewise.
2176         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Use
2177         to_frequency.
2178         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Pass -1.
2179         (tree_transform_and_unroll_loop): Do not use frequencies
2180         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations):
2181         Use reliable prediction only.
2182         * tree-ssa-loop-unswitch.c (hoist_guard): Do not use frequencies.
2183         * tree-ssa-sink.c (select_best_block): Use to_frequency.
2184         * tree-ssa-tail-merge.c (replace_block_by): Temporarily disable
2185         probability scaling.
2186         * tree-ssa-threadupdate.c (create_block_for_threading): Do
2187         not update frequency
2188         (any_remaining_duplicated_blocks): Likewise.
2189         (update_profile): Likewise.
2190         (estimated_freqs_path): Delete.
2191         (freqs_to_counts_path): Delete.
2192         (clear_counts_path): Delete.
2193         (ssa_fix_duplicate_block_edges): Likewise.
2194         (duplicate_thread_path): Likewise.
2195         * tree-switch-conversion.c (gen_inbound_check): Use counts.
2196         * tree-tailcall.c (decrease_profile): Do not update frequency.
2197         (eliminate_tail_call): Likewise.
2198         * tree-vect-loop-manip.c (vect_do_peeling): Likewise.
2199         * tree-vect-loop.c (scale_profile_for_vect_loop): Likewise.
2200         (optimize_mask_stores): Likewise.
2201         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
2202         * ubsan.c (ubsan_expand_null_ifn): Update profile.
2203         (ubsan_expand_ptr_ifn): Update profile.
2204         * value-prof.c (gimple_ic): Simplify.
2205         * value-prof.h (gimple_ic): Update prototype.
2206         * ipa-inline-transform.c (inline_transform): Fix scaling conditoins.
2207         * ipa-inline.c (compute_uninlined_call_time): Be sure that
2208         counts are nonzero.
2209         (want_inline_self_recursive_call_p): Likewise.
2210         (resolve_noninline_speculation): Only cummulate defined counts.
2211         (inline_small_functions): Use nonzero_p.
2212         (ipa_inline): Do not access freed node.
2214 2017-11-03  Wilco Dijkstra  <wdijkstr@arm.com>
2216         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2217         Set PARAM_SCHED_PRESSURE_ALGORITHM to SCHED_PRESSURE_MODEL.
2219 2017-11-03  Kito Cheng  <kito.cheng@gmail.com>
2221         * config/riscv/riscv.c (riscv_legitimize_move): Handle
2222         non-legitimate address.
2224 2017-11-03  Segher Boessenkool  <segher@kernel.crashing.org>
2226         * config/rs6000/rs6000.md (*lt0_disi): Delete.
2227         (*lt0_<mode>di, *lt0_<mode>si): New.
2229 2017-11-03  Segher Boessenkool  <segher@kernel.crashing.org>
2231         * config/rs6000/rs6000.md (move_from_CR_ov_bit): Change condition to
2232         TARGET_PAIRED_FLOAT.
2234 2017-11-03  Siddhesh Poyarekar  <siddhesh.poyarekar@linaro.org>
2235             Jim Wilson  <jim.wilson@linaro.org>
2237         * config/aarch64/aarch64-cores.def (saphira): New CPU.
2238         * config/aarch64/aarch64-tune.md: Regenerated.
2239         * doc/invoke.texi (AArch64 Options/-mtune): Add "saphira".
2240         * gcc/config/aarch64/aarch64.c (saphira_tunings): New tuning table.
2242 2017-11-03  Cupertino Miranda  <cmiranda@synopsys.com>
2244         * config/arc/arc.c (arc_save_restore): Corrected CFA note.
2245         (arc_expand_prologue): Restore blink for millicode.
2246         * config/arc/linux.h (LINK_EH_SPEC): Defined.
2248 2017-11-03  Richard Sandiford  <richard.sandiford@linaro.org>
2250         PR target/82809
2251         * config/i386/i386.c (ix86_vector_duplicate_value): Use
2252         gen_vec_duplicate after forcing the scalar into a register.
2254 2017-11-02  Segher Boessenkool  <segher@kernel.crashing.org>
2256         * combine (try_combine): Print the insns input to try_combine to the
2257         dump file.
2259 2017-11-02  Steve Ellcey  <sellcey@cavium.com>
2261         PR target/79868
2262         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
2263         Remove second argument from aarch64_process_target_attr call.
2264         * config/aarch64/aarch64-protos.h (aarch64_process_target_attr):
2265         Ditto.
2266         * config/aarch64/aarch64.c (aarch64_attribute_info): Change
2267         field type.
2268         (aarch64_handle_attr_arch): Remove second argument.
2269         (aarch64_handle_attr_cpu): Ditto.
2270         (aarch64_handle_attr_tune): Ditto.
2271         (aarch64_handle_attr_isa_flags): Ditto.
2272         (aarch64_process_one_target_attr): Ditto.
2273         (aarch64_process_target_attr): Ditto.
2274         (aarch64_option_valid_attribute_p): Remove second argument.
2275         on aarch64_process_target_attr call.
2277 2017-11-02  David Malcolm  <dmalcolm@redhat.com>
2279         * diagnostic.c: Include "selftest-diagnostic.h".
2280         (selftest::assert_location_text): New function.
2281         (selftest::test_diagnostic_get_location_text): New function.
2282         (selftest::diagnostic_c_tests): Call it.
2284 2017-11-02  David Malcolm  <dmalcolm@redhat.com>
2286         * Makefile.in (OBJS-libcommon): Add selftest-diagnostic.o.
2287         * diagnostic-show-locus.c: Include "selftest-diagnostic.h".
2288         (class selftest::test_diagnostic_context): Move to...
2289         * selftest-diagnostic.c: New file.
2290         * selftest-diagnostic.h: New file.
2292 2017-11-02  James Bowman  <james.bowman@ftdichip.com>
2294         * config/ft32/ft32.c (ft32_addr_space_legitimate_address_p): increase
2295         offset range for FT32B.
2296         * config/ft32/ft32.h: option "mcompress" enables relaxation.
2297         * config/ft32/ft32.md: Add TARGET_NOPM.
2298         * config/ft32/ft32.opt: Add mft32b, mcompress, mnopm.
2299         * gcc/doc/invoke.texi: Add mft32b, mcompress, mnopm.
2301 2017-11-02  Wilco Dijkstra  <wdijkstr@arm.com>
2303         * config/aarch64/aarch64.h (MALLOC_ABI_ALIGNMENT): New define.
2305 2017-11-02  Jeff Law  <law@redhat.com>
2307         * gimple-ssa-sprintf.c (sprintf_dom_walker): Remove
2308         virtual keyword on FINAL OVERRIDE members.
2310         * tree-ssa-propagate.h (ssa_propagation_engine): Group
2311         virtuals together.  Add virtual destructor.
2312         (substitute_and_fold_engine): Similarly.
2314 2017-11-02  Jan Hubicka  <hubicka@ucw.cz>
2316         * x86-tune.def (X86_TUNE_USE_INCDEC): Enable for Haswell+.
2318 2017-11-02  Richard Biener  <rguenther@suse.de>
2320         PR tree-optimization/82795
2321         * tree-if-conv.c (predicate_mem_writes): Remove bogus assert.
2323 2017-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2325         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Don't require
2326         gcc_SUN_LD_VERSION.
2327         (gcc_GAS_CHECK_FEATURE): Remove.
2328         * configure.ac (ld_vers) <*-*-solaris2*>: Move comments from
2329         gcc_AC_INITFINI_ARRAY here.  Update for Solaris 11.4 changes.
2330         * configure: Regenerate.
2332 2017-11-02  Claudiu Zissulescu <claziss@synopsys.com>
2334         * config/arc/arc.c (hwloop_optimize): Account for empty
2335         body loops.
2337 2017-11-02  Richard Biener  <rguenther@suse.de>
2339         PR middle-end/82765
2340         * varasm.c (decode_addr_const): Make offset HOST_WIDE_INT.
2341         Truncate ARRAY_REF index and element size.
2343 2017-11-01  Palmer Dabbelt  <palmer@dabbelt.com>
2345         * doc/invoke.texi (RISC-V Options): Use "@minus{}2 GB", not "-2 GB".
2347 2017-11-01  Jeff Law  <law@redhat.com>
2349         * tree-ssa-ccp.c (ccp_folder): New class derived from
2350         substitute_and_fold_engine.
2351         (ccp_folder::get_value): New member function.
2352         (ccp_folder::fold_stmt): Renamed from ccp_fold_stmt.
2353         (ccp_fold_stmt): Remove prototype.
2354         (ccp_finalize): Call substitute_and_fold from the ccp_class.
2355         * tree-ssa-copy.c (copy_folder): New class derived from
2356         substitute_and_fold_engine.
2357         (copy_folder::get_value): Renamed from get_value.
2358         (fini_copy_prop): Call substitute_and_fold from copy_folder class.
2359         * tree-vrp.c (vrp_folder): New class derived from
2360         substitute_and_fold_engine.
2361         (vrp_folder::fold_stmt): Renamed from vrp_fold_stmt.
2362         (vrp_folder::get_value): New member function.
2363         (vrp_finalize): Call substitute_and_fold from vrp_folder class.
2364         (evrp_dom_walker::before_dom_children): Similarly for replace_uses_in.
2365         * tree-ssa-propagate.h (substitute_and_fold_engine): New class to
2366         provide a class interface to folder/substitute routines.
2367         (ssa_prop_fold_stmt_fn): Remove typedef.
2368         (ssa_prop_get_value_fn): Likewise.
2369         (subsitute_and_fold): Remove prototype.
2370         (replace_uses_in): Likewise.
2371         * tree-ssa-propagate.c (substitute_and_fold_engine::replace_uses_in):
2372         Renamed from replace_uses_in.  Call the virtual member function
2373         (substitute_and_fold_engine::replace_phi_args_in): Similarly.
2374         (substitute_and_fold_dom_walker): Remove initialization of
2375         data member entries for calbacks.  Add substitute_and_fold_engine
2376         member and initialize it.
2377         (substitute_and_fold_dom_walker::before_dom_children0: Use the
2378         member functions for get_value, replace_phi_args_in c
2379         replace_uses_in, and fold_stmt calls.
2380         (substitute_and_fold_engine::substitute_and_fold): Renamed from
2381         substitute_and_fold.  Remove assert.   Update ctor call.
2383         * tree-ssa-propagate.h (ssa_prop_visit_stmt_fn): Remove typedef.
2384         (ssa_prop_visit_phi_fn): Likewise.
2385         (class ssa_propagation_engine): New class to provide an interface
2386         into ssa_propagate.
2387         * tree-ssa-propagate.c (ssa_prop_visit_stmt): Remove file scoped
2388         variable.
2389         (ssa_prop_visit_phi): Likewise.
2390         (ssa_propagation_engine::simulate_stmt): Moved into class.
2391         Call visit_phi/visit_stmt from the class rather than via
2392         file scoped static variables.
2393         (ssa_propagation_engine::simulate_block): Moved into class.
2394         (ssa_propagation_engine::process_ssa_edge_worklist): Similarly.
2395         (ssa_propagation_engine::ssa_propagate): Similarly.  No longer
2396         set file scoped statics for the visit_stmt/visit_phi callbacks.
2397         * tree-complex.c (complex_propagate): New class derived from
2398         ssa_propagation_engine.
2399         (complex_propagate::visit_stmt): Renamed from complex_visit_stmt.
2400         (complex_propagate::visit_phi): Renamed from complex_visit_phi.
2401         (tree_lower_complex): Call ssa_propagate via the complex_propagate
2402         class.
2403         * tree-ssa-ccp.c: (ccp_propagate): New class derived from
2404         ssa_propagation_engine.
2405         (ccp_propagate::visit_phi): Renamed from ccp_visit_phi_node.
2406         (ccp_propagate::visit_stmt): Renamed from ccp_visit_stmt.
2407         (do_ssa_ccp): Call ssa_propagate from the ccp_propagate class.
2408         * tree-ssa-copy.c (copy_prop): New class derived from
2409         ssa_propagation_engine.
2410         (copy_prop::visit_stmt): Renamed from copy_prop_visit_stmt.
2411         (copy_prop::visit_phi): Renamed from copy_prop_visit_phi_node.
2412         (execute_copy_prop): Call ssa_propagate from the copy_prop class.
2413         * tree-vrp.c (vrp_prop): New class derived from ssa_propagation_engine.
2414         (vrp_prop::visit_stmt): Renamed from vrp_visit_stmt.
2415         (vrp_prop::visit_phi): Renamed from vrp_visit_phi_node.
2416         (execute_vrp): Call ssa_propagate from the vrp_prop class.
2418 2017-11-01  Jakub Jelinek  <jakub@redhat.com>
2420         PR rtl-optimization/82778
2421         PR rtl-optimization/82597
2422         * compare-elim.c (struct comparison): Add in_a_setter field.
2423         (find_comparison_dom_walker::before_dom_children): Remove killed
2424         bitmap and df_simulate_find_defs call, instead walk the defs.
2425         Compute last_setter and initialize in_a_setter.  Merge definitions
2426         with first initialization for a few variables.
2427         (try_validate_parallel): Use insn_invalid_p instead of
2428         recog_memoized.  Return insn rather than just the pattern.
2429         (try_merge_compare): Fix up comment.  Don't uselessly test if
2430         in_a is a REG_P.  Use cmp->in_a_setter instead of walking UD
2431         chains.
2432         (execute_compare_elim_after_reload): Remove df_chain_add_problem
2433         call.
2435 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2436             Alan Hayward  <alan.hayward@arm.com>
2437             David Sherwood  <david.sherwood@arm.com>
2439         * config/aarch64/aarch64.c (aarch64_rtx_costs): Use
2440         aarch64_hard_regno_nregs to get the number of registers
2441         in a mode.
2443 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2444             Alan Hayward  <alan.hayward@arm.com>
2445             David Sherwood  <david.sherwood@arm.com>
2447         * config/aarch64/constraints.md (Upl): Rename to...
2448         (Uaa): ...this.
2449         * config/aarch64/aarch64.md
2450         (*zero_extend<SHORT:mode><GPI:mode>2_aarch64, *addsi3_aarch64_uxtw):
2451         Update accordingly.
2453 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2454             Alan Hayward  <alan.hayward@arm.com>
2455             David Sherwood  <david.sherwood@arm.com>
2457         * config/aarch64/aarch64.c (aarch64_add_constant_internal)
2458         (aarch64_add_constant, aarch64_add_sp, aarch64_sub_sp): Move
2459         earlier in file.
2461 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2462             Alan Hayward  <alan.hayward@arm.com>
2463             David Sherwood  <david.sherwood@arm.com>
2465         * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp)
2466         (aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev)
2467         (aarch64_evpc_dup): Generate rtl direcly, rather than using
2468         named expanders.
2469         (aarch64_expand_vec_perm_const_1): Explicitly check for permutes
2470         of a single element.
2471         * config/aarch64/iterators.md: Add a comment above the permute
2472         unspecs to say that they are generated directly by
2473         aarch64_expand_vec_perm_const.
2474         * config/aarch64/aarch64-simd.md: Likewise the permute instructions.
2476 2017-11-01  Nathan Sidwell  <nathan@acm.org>
2478         * tree-dump.c (dequeue_and_dump): Use HAS_DECL_ASSEMBLER_NAME_P.
2480 2017-11-01  Palmer Dabbelt  <palmer@dabbelt.com>
2482         * doc/invoke.texi (RISC-V Options): Explicitly name the medlow
2483         and medany code models, and describe what they do.
2485 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2487         Revert accidental duplicate:
2489         * combine.c (can_change_dest_mode): Reject changes in
2490         REGMODE_NATURAL_SIZE.
2492 2017-11-01  Segher Boessenkool  <segher@kernel.crashing.org>
2494         PR rtl-optimization/64682
2495         PR rtl-optimization/69567
2496         PR rtl-optimization/69737
2497         PR rtl-optimization/82683
2498         * combine.c (distribute_notes) <REG_DEAD>: If the new I2 sets the same
2499         register mentioned in the note, drop the note, unless it came from I3,
2500         in which case it should go to I3 again.
2502 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2504         * tree-ssa-dse.c (normalize_ref): Check whether the ranges overlap
2505         and return false if not.
2506         (clear_bytes_written_by, live_bytes_read): Update accordingly.
2508 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2510         * tree-ssa-alias.h (ranges_overlap_p): Return false if either
2511         range is known to be empty.
2513 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2514             Alan Hayward  <alan.hayward@arm.com>
2515             David Sherwood  <david.sherwood@arm.com>
2517         * simplify-rtx.c (simplify_const_unary_operation): Use GET_MODE_NUNITS
2518         and CONST_VECTOR_NUNITS instead of computing the number of units from
2519         the byte sizes of the vector and element.
2520         (simplify_binary_operation_1): Likewise.
2521         (simplify_const_binary_operation): Likewise.
2522         (simplify_ternary_operation): Likewise.
2524 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2525             Alan Hayward  <alan.hayward@arm.com>
2526             David Sherwood  <david.sherwood@arm.com>
2528         * var-tracking.c (INT_MEM_OFFSET): Replace with...
2529         (int_mem_offset): ...this new function.
2530         (var_mem_set, var_mem_delete_and_set, var_mem_delete)
2531         (find_mem_expr_in_1pdv, dataflow_set_preserve_mem_locs)
2532         (same_variable_part_p, use_type, add_stores, vt_get_decl_and_offset):
2533         Update accordingly.
2535 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2536             Alan Hayward  <alan.hayward@arm.com>
2537             David Sherwood  <david.sherwood@arm.com>
2539         * lower-subreg.c (interesting_mode_p): New function.
2540         (compute_costs, find_decomposable_subregs, decompose_register)
2541         (simplify_subreg_concatn, can_decompose_p, resolve_simple_move)
2542         (resolve_clobber, dump_choices): Use it.
2544 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2545             Alan Hayward  <alan.hayward@arm.com>
2546             David Sherwood  <david.sherwood@arm.com>
2548         * rtlhash.c (add_rtx): Use add_hwi for 'w' and add_int for 'i'.
2550 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2551             Alan Hayward  <alan.hayward@arm.com>
2552             David Sherwood  <david.sherwood@arm.com>
2554         * alias.c (find_base_value, find_base_term): Only process integer
2555         truncations.  Check the precision rather than the size.
2557 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2558             Alan Hayward  <alan.hayward@arm.com>
2559             David Sherwood  <david.sherwood@arm.com>
2561         * machmode.h (is_narrower_int_mode): New function
2562         * optabs.c (expand_float, expand_fix): Use it.
2563         * dwarf2out.c (rotate_loc_descriptor): Likewise.
2565 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2566             Alan Hayward  <alan.hayward@arm.com>
2567             David Sherwood  <david.sherwood@arm.com>
2569         * rtl.h (narrower_subreg_mode): New function.
2570         * ira-color.c (update_costs_from_allocno): Use it.
2572 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2573             Alan Hayward  <alan.hayward@arm.com>
2574             David Sherwood  <david.sherwood@arm.com>
2576         * optabs-query.h (convert_optab_p): New function, split out from...
2577         (convert_optab_handler): ...here.
2578         (widening_optab_handler): Delete.
2579         (find_widening_optab_handler): Remove permit_non_widening parameter.
2580         (find_widening_optab_handler_and_mode): Likewise.  Provide an
2581         override that operates on mode class wrappers.
2582         * optabs-query.c (widening_optab_handler): Delete.
2583         (find_widening_optab_handler_and_mode): Remove permit_non_widening
2584         parameter.  Assert that the two modes are the same class and that
2585         the "from" mode is narrower than the "to" mode.  Use
2586         convert_optab_handler instead of widening_optab_handler.
2587         * expmed.c (expmed_mult_highpart_optab): Use convert_optab_handler
2588         instead of widening_optab_handler.
2589         * expr.c (expand_expr_real_2): Update calls to
2590         find_widening_optab_handler.
2591         * optabs.c (expand_widen_pattern_expr): Likewise.
2592         (expand_binop_directly): Take the insn_code as a parameter.
2593         (expand_binop): Only call find_widening_optab_handler for
2594         conversion optabs; use optab_handler otherwise.  Update calls
2595         to find_widening_optab_handler and expand_binop_directly.
2596         Use convert_optab_handler instead of widening_optab_handler.
2597         * tree-ssa-math-opts.c (convert_mult_to_widen): Update calls to
2598         find_widening_optab_handler and use scalar_mode rather than
2599         machine_mode.
2600         (convert_plusminus_to_widen): Likewise.
2602 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2603             Alan Hayward  <alan.hayward@arm.com>
2604             David Sherwood  <david.sherwood@arm.com>
2606         * machmode.h (fixed_size_mode): New class.
2607         * rtl.h (get_pool_mode): Return fixed_size_mode.
2608         * gengtype.c (main): Add fixed_size_mode.
2609         * target.def (get_raw_result_mode): Return a fixed_size_mode.
2610         (get_raw_arg_mode): Likewise.
2611         * doc/tm.texi: Regenerate.
2612         * targhooks.h (default_get_reg_raw_mode): Return a fixed_size_mode.
2613         * targhooks.c (default_get_reg_raw_mode): Likewise.
2614         * config/ia64/ia64.c (ia64_get_reg_raw_mode): Likewise.
2615         * config/mips/mips.c (mips_get_reg_raw_mode): Likewise.
2616         * config/msp430/msp430.c (msp430_get_raw_arg_mode): Likewise.
2617         (msp430_get_raw_result_mode): Likewise.
2618         * config/avr/avr-protos.h (regmask): Use as_a <fixed_side_mode>
2619         * dbxout.c (dbxout_parms): Require fixed-size modes.
2620         * expr.c (copy_blkmode_from_reg, copy_blkmode_to_reg): Likewise.
2621         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
2622         * omp-low.c (lower_oacc_reductions): Likewise.
2623         * simplify-rtx.c (simplify_immed_subreg): Take fixed_size_modes.
2624         (simplify_subreg): Update accordingly.
2625         * varasm.c (constant_descriptor_rtx::mode): Change to fixed_size_mode.
2626         (force_const_mem): Update accordingly.  Return NULL_RTX for modes
2627         that aren't fixed-size.
2628         (get_pool_mode): Return a fixed_size_mode.
2629         (output_constant_pool_2): Take a fixed_size_mode.
2631 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2632             Alan Hayward  <alan.hayward@arm.com>
2633             David Sherwood  <david.sherwood@arm.com>
2635         * doc/rtl.texi (vec_series): Document.
2636         (const): Say that the operand can be a vec_series.
2637         * rtl.def (VEC_SERIES): New rtx code.
2638         * rtl.h (const_vec_series_p_1): Declare.
2639         (const_vec_series_p): New function.
2640         * emit-rtl.h (gen_const_vec_series): Declare.
2641         (gen_vec_series): Likewise.
2642         * emit-rtl.c (const_vec_series_p_1, gen_const_vec_series)
2643         (gen_vec_series): Likewise.
2644         * optabs.c (expand_mult_highpart): Use gen_const_vec_series.
2645         * simplify-rtx.c (simplify_unary_operation): Handle negations
2646         of vector series.
2647         (simplify_binary_operation_series): New function.
2648         (simplify_binary_operation_1): Use it.  Handle VEC_SERIES.
2649         (test_vector_ops_series): New function.
2650         (test_vector_ops): Call it.
2651         * config/powerpcspe/altivec.md (altivec_lvsl): Use
2652         gen_const_vec_series.
2653         (altivec_lvsr): Likewise.
2654         * config/rs6000/altivec.md (altivec_lvsl, altivec_lvsr): Likewise.
2656 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2657             Alan Hayward  <alan.hayward@arm.com>
2658             David Sherwood  <david.sherwood@arm.com>
2660         * doc/rtl.texi (const): Update description of address constants.
2661         Say that vector constants are allowed too.
2662         * common.md (E, F): Use CONSTANT_P instead of checking for
2663         CONST_VECTOR.
2664         * emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of
2665         checking for CONST_VECTOR.
2666         * expmed.c (make_tree): Use build_vector_from_val for a CONST
2667         VEC_DUPLICATE.
2668         * expr.c (expand_expr_real_2): Check for vector modes instead
2669         of checking for CONST_VECTOR.
2670         * rtl.h (const_vec_p): New function.
2671         (const_vec_duplicate_p): Check for a CONST VEC_DUPLICATE.
2672         (unwrap_const_vec_duplicate): Handle them here too.
2674 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2675             David Malcolm  <dmalcolm@redhat.com>
2676             Alan Hayward  <alan.hayward@arm.com>
2677             David Sherwood  <david.sherwood@arm.com>
2679         * rtl.h (vec_duplicate_p): New function.
2680         * selftest-rtl.c (assert_rtx_eq_at): New function.
2681         * selftest-rtl.h (ASSERT_RTX_EQ): New macro.
2682         (assert_rtx_eq_at): Declare.
2683         * selftest.h (selftest::simplify_rtx_c_tests): Declare.
2684         * selftest-run-tests.c (selftest::run_tests): Call it.
2685         * simplify-rtx.c: Include selftest.h and selftest-rtl.h.
2686         (simplify_unary_operation_1): Recursively handle vector duplicates.
2687         (simplify_binary_operation_1): Likewise.  Handle VEC_SELECTs of
2688         vector duplicates.
2689         (simplify_subreg): Handle subregs of vector duplicates.
2690         (make_test_reg, test_vector_ops_duplicate, test_vector_ops)
2691         (selftest::simplify_rtx_c_tests): New functions.
2693 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2694             Alan Hayward  <alan.hayward@arm.com>
2695             David Sherwood  <david.sherwood@arm.com>
2697         * emit-rtl.h (gen_const_vec_duplicate): Declare.
2698         (gen_vec_duplicate): Likewise.
2699         * emit-rtl.c (gen_const_vec_duplicate_1): New function, split
2700         out from...
2701         (gen_const_vector): ...here.
2702         (gen_const_vec_duplicate, gen_vec_duplicate): New functions.
2703         (gen_rtx_CONST_VECTOR): Use gen_const_vec_duplicate for constants
2704         whose elements are all equal.
2705         * optabs.c (expand_vector_broadcast): Use gen_const_vec_duplicate.
2706         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2707         (simplify_relational_operation): Likewise.
2708         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
2709         Likewise.
2710         (aarch64_simd_dup_constant): Use gen_vec_duplicate.
2711         (aarch64_expand_vector_init): Likewise.
2712         * config/arm/arm.c (neon_vdup_constant): Likewise.
2713         (neon_expand_vector_init): Likewise.
2714         (arm_expand_vec_perm): Use gen_const_vec_duplicate.
2715         (arm_block_set_unaligned_vect): Likewise.
2716         (arm_block_set_aligned_vect): Likewise.
2717         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
2718         * config/i386/i386.c (ix86_expand_vec_perm): Likewise.
2719         (expand_vec_perm_even_odd_pack): Likewise.
2720         (ix86_vector_duplicate_value): Use gen_vec_duplicate.
2721         * config/i386/sse.md (one_cmpl<mode>2): Use CONSTM1_RTX.
2722         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use
2723         gen_const_vec_duplicate.
2724         * config/ia64/vect.md (addv2sf3, subv2sf3): Use CONST1_RTX.
2725         * config/mips/mips.c (mips_gen_const_int_vector): Use
2726         gen_const_vec_duplicate.
2727         (mips_expand_vector_init): Use CONST0_RTX.
2728         * config/powerpcspe/altivec.md (abs<mode>2, nabs<mode>2): Likewise.
2729         (define_split): Use gen_const_vec_duplicate.
2730         * config/rs6000/altivec.md (abs<mode>2, nabs<mode>2): Use CONST0_RTX.
2731         (define_split): Use gen_const_vec_duplicate.
2732         * config/s390/vx-builtins.md (vec_genmask<mode>): Likewise.
2733         (vec_ctd_s64, vec_ctd_u64, vec_ctsl, vec_ctul): Likewise.
2734         * config/spu/spu.c (spu_const): Likewise.
2736 2017-11-01  Richard Sandiford  <richard.sandiford@linaro.org>
2737             Alan Hayward  <alan.hayward@arm.com>
2738             David Sherwood  <david.sherwood@arm.com>
2740         * combine.c (can_change_dest_mode): Reject changes in
2741         REGMODE_NATURAL_SIZE.
2743 2017-10-31  Sandra Loosemore  <sandra@codesourcery.com>
2745         * configure.ac (--enable-libssp): New.
2746         (gcc_cv_libc_provides_ssp): Check for explicit setting before
2747         trying to determine target-specific default.  Adjust indentation.
2748         * configure: Regenerated.
2749         * doc/install.texi (Configuration): Expand --disable-libssp
2750         documentation.
2752 2017-10-31  Daniel Santos  <daniel.santos@pobox.com>
2754         config/i386/i386.c (ix86_expand_epilogue): Correct stack
2755         calculation.
2757 2017-10-31  Martin Jambor  <mjambor@suse.cz>
2759         PR c++/81702
2760         * gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert.
2762 2017-10-31  David Malcolm  <dmalcolm@redhat.com>
2764         * auto-profile.c (autofdo_source_profile::read): Use
2765         UNKNOWN_LOCATION rather than 0.
2766         * diagnostic-core.h (warning_at_rich_loc): Rename to...
2767         (warning_at): ...this overload.
2768         (warning_at_rich_loc_n): Rename to...
2769         (warning_n): ...this overload.
2770         (error_at_rich_loc): Rename to...
2771         (error_at): ...this overload.
2772         (pedwarn_at_rich_loc): Rename to...
2773         (pedwarn): ...this overload.
2774         (permerror_at_rich_loc): Rename to...
2775         (permerror): ...this overload.
2776         (inform_at_rich_loc): Rename to...
2777         (inform): ...this overload.
2778         * diagnostic.c: (diagnostic_n_impl): Delete location_t-based decl.
2779         (diagnostic_n_impl_richloc): Rename to...
2780         (diagnostic_n_impl): ...this rich_location *-based decl.
2781         (inform_at_rich_loc): Rename to...
2782         (inform): ...this, and add an assertion.
2783         (inform_n): Update for removal of location_t-based diagnostic_n_impl.
2784         (warning_at_rich_loc): Rename to...
2785         (warning_at): ...this, and add an assertion.
2786         (warning_at_rich_loc_n): Rename to...
2787         (warning_n): ...this, and add an assertion.
2788         (warning_n): Update location_t-based implementation for removal of
2789         location_t-based diagnostic_n_impl.
2790         (pedwarn_at_rich_loc): Rename to...
2791         (pedwarn): ...this, and add an assertion.
2792         (permerror_at_rich_loc): Rename to...
2793         (permerror): ...this, and add an assertion.
2794         (error_n): Update for removal of location_t-based diagnostic_n_impl.
2795         (error_at_rich_loc): Rename to...
2796         (error_at): ...this, and add an assertion.
2797         * gcc.c (do_spec_1): Use UNKNOWN_LOCATION rather than 0.
2798         (driver::do_spec_on_infiles): Likewise.
2799         * substring-locations.c (format_warning_va): Update for renaming
2800         of inform_at_rich_loc.
2802 2017-10-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2804         * builtins.def (DEF_FLOATN_BUILTIN): Change most _Float<N> and
2805         _Float<N>X built-in functions so that the variant without the
2806         "__builtin_" prefix is only enabled for the GNU C and Objective C
2807         languages when they are in non-strict ANSI/ISO mode.
2808         (DEF_EXT_LIB_FLOATN_NX_BUILTINS): Likewise.
2809         * target.def (floatn_builtin_p): Add a target hook to control
2810         whether _Float<N> and _Float<N>X built-in functions without the
2811         "__builtin_" prefix are enabled, and return true for C and
2812         Objective C in the default hook.  Include langhooks.h in
2813         targhooks.c.
2814         * targhooks.h (default_floatn_builtin_p): Likewise.
2815         * targhooks.c (default_floatn_builtin_p): Likewise.
2816         * doc/tm.texi.in (TARGET_FLOATN_BUILTIN_P): Document the
2817         floatn_builtin_p target hook.
2818         * doc/tm.texi (TARGET_FLOATN_BUILTIN_P): Likewise.
2820 2017-10-31  Matthew Fortune  <matthew.fortune@imgtec.com>
2821             Eric Botcazou  <ebotcazou@adacore.com>
2823         PR rtl-optimization/81803
2824         * lra-constraints.c (curr_insn_transform): Also reload the whole
2825         register for a strict subreg no wider than a word if this is for
2826         a WORD_REGISTER_OPERATIONS target.
2828 2017-10-31  Jason Merrill  <jason@redhat.com>
2830         * gdbinit.in: Skip over inlines from timevar.h.
2832 2017-10-31  Martin Liska  <mliska@suse.cz>
2834         * doc/gcov.texi: Document new option.
2835         * gcov.c (print_usage): Likewise print it.
2836         (process_args): Support the argument.
2837         (format_count): New function.
2838         (format_gcov): Use the function.
2840 2017-10-31  Martin Liska  <mliska@suse.cz>
2842         * gcov.c (struct name_map): do not use typedef.
2843         Define operator== and operator<.
2844         (name_search): Remove.
2845         (name_sort): Remove.
2846         (main): Do not allocate names.
2847         (process_file): Add vertical space.
2848         (generate_results): Use std::find.
2849         (release_structures): Do not release memory.
2850         (find_source): Use std::find.
2852 2017-10-31  Martin Liska  <mliska@suse.cz>
2854         * gcov.c (struct line_info): Remove it's typedef.
2855         (line_info::line_info): Add proper ctor.
2856         (line_info::has_block): Do not use a typedef.
2857         (struct source_info): Do not use typedef.
2858         (circuit): Likewise.
2859         (get_cycles_count): Likewise.
2860         (output_intermediate_file): Iterate via vector iterator.
2861         (add_line_counts): Use std::vector methods.
2862         (accumulate_line_counts): Likewise.
2863         (output_lines): Likewise.
2865 2017-10-31  Martin Liska  <mliska@suse.cz>
2867         * gcov.c (struct source_info): Remove typedef.
2868         (source_info::source_info): Add proper ctor.
2869         (accumulate_line_counts): Use struct, not it's typedef.
2870         (output_gcov_file): Likewise.
2871         (output_lines): Likewise.
2872         (main): Do not allocate an array.
2873         (output_intermediate_file): Use size of vector container.
2874         (process_file): Resize the vector.
2875         (generate_results): Do not preallocate, use newly added vector
2876         lines.
2877         (release_structures): Do not release sources.
2878         (find_source): Use vector methods.
2879         (add_line_counts): Do not use typedef.
2881 2017-10-31  Martin Liska  <mliska@suse.cz>
2883         * doc/gcov.texi: Document that.
2884         * gcov.c (add_line_counts): Mark lines with a non-executed
2885         statement.
2886         (output_line_beginning): Handle such lines.
2887         (output_lines): Pass new argument.
2888         (output_intermediate_file): Print it in intermediate format.
2890 2017-10-31  Martin Liska  <mliska@suse.cz>
2892         * color-macros.h: New file.
2893         * diagnostic-color.c: Factor out color related to macros to
2894         color-macros.h.
2895         * doc/gcov.texi: Document -k option.
2896         * gcov.c (INCLUDE_STRING): Include string.h.
2897         (print_usage): Add -k option.
2898         (process_args): Parse it.
2899         (pad_count_string): New function.
2900         (output_line_beginning): Likewise.
2901         (DEFAULT_LINE_START): New macro.
2902         (output_lines): Support color output.
2904 2017-10-31  Martin Liska  <mliska@suse.cz>
2906         PR gcov-profile/82633
2907         * doc/gcov.texi: Document -fkeep-{static,inline}-functions and
2908         their interaction with GCOV infrastructure.
2909         * configure.ac: Add -fkeep-{inline,static}-functions to
2910         coverage_flags.
2911         * configure: Regenerate.
2913 2017-10-31  Uros Bizjak  <ubizjak@gmail.com>
2915         PR target/82772
2916         * config/alpha/sync.md (fetchop_constr) <and>: Change to "rINM".
2918 2017-10-31  Segher Boessenkool  <segher@kernel.crashing.org>
2920         PR target/82674
2921         * config/rs6000/rs6000.md (allocate_stack): Force update interval
2922         into a register if it does not fit into an immediate offset field.
2924 2017-10-31  Olivier Hainque  <hainque@adacore.com>
2926         * gcc/Makefile.in (FLAGS_TO_PASS): Pass libsubdir as well.
2928 2017-10-31  Julia Koval  <julia.koval@intel.com>
2930         * config.gcc: Add gfniintrin.h.
2931         * config/i386/gfniintrin.h: New.
2932         * config/i386/i386-builtin-types.def
2933         (__builtin_ia32_vgf2p8affineinvqb_v64qi,
2934         __builtin_ia32_vgf2p8affineinvqb_v64qi_mask,
2935         __builtin_ia32_vgf2p8affineinvqb_v32qi,
2936         __builtin_ia32_vgf2p8affineinvqb_v32qi_mask,
2937         __builtin_ia32_vgf2p8affineinvqb_v16qi,
2938         __builtin_ia32_vgf2p8affineinvqb_v16qi_mask): New builtins.
2939         * config/i386/i386-builtin.def (V64QI_FTYPE_V64QI_V64QI_INT_V64QI_UDI,
2940         V32QI_FTYPE_V32QI_V32QI_INT_V32QI_USI,
2941         V16QI_FTYPE_V16QI_V16QI_INT_V16QI_UHI,
2942         V64QI_FTYPE_V64QI_V64QI_INT): New types.
2943         * config/i386/i386.c (ix86_expand_args_builtin): Handle new types.
2944         * config/i386/immintrin.h: Include gfniintrin.h.
2945         * config/i386/sse.md (vgf2p8affineinvqb_*) New pattern.
2947 2017-10-30  Eric Botcazou  <ebotcazou@adacore.com>
2949         * gcc.c (HAVE_TARGET_EXECUTABLE_SUFFIX): Remove old kludge.
2951 2017-10-30  Wilco Dijkstra  <wdijkstr@arm.com>
2953         * config/arm/arm.md (ashldi3): Remove shift by 1 expansion.
2954         (arm_ashldi3_1bit): Remove pattern.
2955         (ashrdi3): Remove shift by 1 expansion.
2956         (arm_ashrdi3_1bit): Remove pattern.
2957         (lshrdi3): Remove shift by 1 expansion.
2958         (arm_lshrdi3_1bit): Remove pattern.
2959         * config/arm/arm.c (arm_rtx_costs_internal): Slightly increase
2960         cost of ashldi3 by 1.
2961         * config/arm/neon.md (ashldi3_neon): Remove shift by 1 expansion.
2962         (<shift>di3_neon): Likewise.
2964 2017-10-30  Dominik Infuehr  <dominik.infuehr@theobroma-systems.com>
2966         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov): Rename
2967         both identically named patterns to (*aarch64_simd_mov<VD:mode>)
2968         and (*aarch64_simd_mov<VQ:mode>).
2969         (*aarch64_simd_mov<VD:mode>): Change type attribute to match
2970         pattern alternative.
2971         (*aarch64_simd_mov<VQ:mode>): Re-order and change type
2972         attributes to match pattern alternative.
2974 2017-10-30  Steven Munroe  <munroesj@gcc.gnu.org>
2976         * config.gcc (powerpc*-*-*): Add emmintrin.h.
2977         * config/rs6000/emmintrin.h: New file.
2978         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include emmintrin.h.
2980 2017-10-30  Wilco Dijkstra  <wdijkstr@arm.com>
2982         * config/arm/vfp.md (movdi_vfp): Merge changes from movdi_vfp_cortexa8.
2983         * (movdi_vfp_cortexa8): Remove pattern.
2985 2017-10-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2987         * doc/install.texi (Specific, alpha*-*-*): Remove DEC OSF/1
2988         etc. reference.
2989         (Specific, alpha*-dec-osf5.1): Remove.
2990         (Specific, mips-sgi-irix5): Remove.
2991         (Specific, mips-sgi-irix6): Remove.
2993 2017-10-30  Jakub Jelinek  <jakub@redhat.com>
2995         PR middle-end/22141
2996         * gimple-ssa-store-merging.c (merged_store_group::apply_stores): Fix
2997         arguments to clear_bit_region_be.
2999 2017-10-30  Jim Wilson  <wilson@tuliptree.org>
3001         * gimplify.c: Include memmodel.h.
3003 2017-10-30  Martin Jambor  <mjambor@suse.cz>
3005         * omp-grid.c (grid_attempt_target_gridification): Also insert a
3006         condition whether loop should be executed at all.
3008 2017-10-30  Will Schmidt  <will_schmidt@vnet.ibm.com>
3010         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for
3011         gimple folding of vec_madd() intrinsics.
3012         * config/rs6000/altivec.md (mulv8hi3): Rename altivec_vmladduhm to
3013         fmav8hi4.  (altivec_vmladduhm): Rename to fmav8hi4.
3014         * config/rs6000/rs6000-builtin.def: Rename vmladduhm to fmav8hi4
3016 2017-10-30  Richard Biener  <rguenther@suse.de>
3018         PR tree-optimization/82762
3019         Revert
3020         2017-10-23  Richard Biener  <rguenther@suse.de>
3022         PR tree-optimization/82129
3023         Revert
3024         2017-08-01  Richard Biener  <rguenther@suse.de>
3026         PR tree-optimization/81181
3027         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
3028         (compute_antic): ... end of iteration here.
3030 2017-10-30  Joseph Myers  <joseph@codesourcery.com>
3032         * doc/invoke.texi (C Dialect Options): Document -std=c17,
3033         -std=iso9899:2017 and -std=gnu17.
3034         * doc/standards.texi (C Language): Document C17 support.
3035         * doc/cpp.texi (Overview): Mention -std=c17.
3036         (Standard Predefined Macros): Document C11 and C17 values of
3037         __STDC_VERSION__.  Do not refer to C99 support as incomplete.
3038         * doc/extend.texi (Inline): Do not list individual options for
3039         standards newer than C99.
3040         * dwarf2out.c (highest_c_language, gen_compile_unit_die): Handle
3041         "GNU C17".
3042         * config/rl78/rl78.c (rl78_option_override): Handle "GNU C17"
3043         language name.
3045 2017-10-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
3047         * asan.c (asan_finish_file): Align asan globals array by shadow
3048         granularity.
3050 2017-10-30  Jakub Jelinek  <jakub@redhat.com>
3052         PR middle-end/22141
3053         * gimple-ssa-store-merging.c: Include rtl.h and expr.h.
3054         (struct store_immediate_info): Add bitregion_start and bitregion_end
3055         fields.
3056         (store_immediate_info::store_immediate_info): Add brs and bre
3057         arguments and initialize bitregion_{start,end} from those.
3058         (struct merged_store_group): Add bitregion_start, bitregion_end,
3059         align_base and mask fields.  Drop unnecessary struct keyword from
3060         struct store_immediate_info.  Add do_merge method.
3061         (clear_bit_region_be): Use memset instead of loop storing zeros.
3062         (merged_store_group::do_merge): New method.
3063         (merged_store_group::merge_into): Use do_merge.  Allow gaps in between
3064         stores as long as the surrounding bitregions have no gaps.
3065         (merged_store_group::merge_overlapping): Use do_merge.
3066         (merged_store_group::apply_stores): Test that bitregion_{start,end}
3067         is byte aligned, rather than requiring that start and width are
3068         byte aligned.  Drop unnecessary struct keyword from
3069         struct store_immediate_info.  Allocate and populate also mask array.
3070         Make start of the arrays relative to bitregion_start rather than
3071         start and size them according to bitregion_{end,start} difference.
3072         (struct imm_store_chain_info): Drop unnecessary struct keyword from
3073         struct store_immediate_info.
3074         (pass_store_merging::gate): Punt if BITS_PER_UNIT or CHAR_BIT is not 8.
3075         (pass_store_merging::terminate_all_aliasing_chains): Drop unnecessary
3076         struct keyword from struct store_immediate_info.
3077         (imm_store_chain_info::coalesce_immediate_stores): Allow gaps in
3078         between stores as long as the surrounding bitregions have no gaps.
3079         Formatting fixes.
3080         (struct split_store): Add orig non-static data member.
3081         (split_store::split_store): Initialize orig to false.
3082         (find_constituent_stmts): Return store_immediate_info *, non-NULL
3083         if there is exactly a single original stmt.  Change stmts argument
3084         to pointer from reference, if NULL, don't push anything to it.  Add
3085         first argument, use it to optimize skipping over orig stmts that
3086         are known to be before bitpos already.  Simplify.
3087         (split_group): Return unsigned int count how many stores are or
3088         would be needed rather than a bool.  Add allow_unaligned argument.
3089         Change split_stores argument from reference to pointer, if NULL,
3090         only do a dry run computing how many stores would be produced.
3091         Rewritten algorithm to use both alignment and misalign if
3092         !allow_unaligned and handle bitfield stores with gaps.
3093         (imm_store_chain_info::output_merged_store): Set start_byte_pos
3094         from bitregion_start instead of start.  Compute allow_unaligned
3095         here, if true, do 2 split_group dry runs to compute which one
3096         produces fewer stores and prefer aligned if equal.  Punt if
3097         new count is bigger or equal than original before emitting any
3098         statements, rather than during that.  Remove no longer needed
3099         new_ssa_names tracking.  Replace num_stmts with
3100         split_stores.length ().  Use 32-bit stack allocated entries
3101         in split_stores auto_vec.  Try to reuse original store lhs/rhs1
3102         if possible.  Handle bitfields with gaps.
3103         (pass_store_merging::execute): Ignore bitsize == 0 stores.
3104         Compute bitregion_{start,end} for the stores and construct
3105         store_immediate_info with that.  Formatting fixes.
3107 2017-10-30  Uros Bizjak  <ubizjak@gmail.com>
3109         PR target/82725
3110         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3111         UNSPEC_DTPOFF and UNSPEC_NTPOFF with SImode immediate offset.
3113 2017-10-29  Jim Wilson  <wilson@tuliptree.org>
3115         * gimplify.c: Include tm_p.h.
3117         * common.opt (gcoff): Re-add as ignored option.
3118         (gcoff1, gcoff2, gcoff3): Likewise.
3120         * Makefile.in (OBJS): Delete sdbout.o.
3121         (GTFILES): Delete $(srcdir)/sdbout.c.
3122         * debug.h: Delete sdb_debug_hooks.
3123         * final.c: Delete sdbout.h include.
3124         (final_scan_insn): Delete SDB_DEBUG check.
3125         (rest_of_clean_state): Likewise.
3126         * output.h: Delete sdb_begin_function_line.
3127         * sdbout.c: Delete.
3128         * sdbout.h: Delete.
3129         * toplev.c: Delete sdbout.h include.
3130         (process_options): Delete SDB_DEBUG check.
3131         * tree-core.h (tree_type_common): Delete pointer field of
3132         tree_type_symtab.
3133         * tree.c (copy_node): Clear TYPE_SYMTAB_DIE instead of
3134         TYPE_SYMTAB_POINTER.
3135         * tree.h (TYPE_SYMTAB_POINTER): Delete.
3136         (TYPE_SYMTAB_IS_POINTER): Delete.
3137         (TYPE_SYMTAB_IS_DIE): Renumber.
3138         * xcoffout.c: Refer to former sdbout.c file.
3139         (xcoffout_begin_prologue): Use past tense for sdbout.c reference.
3141         * doc/install.texi (--with-stabs): Delete COFF and ECOFF info.
3142         * doc/invoke.texi (SEEALSO): Delete adb and sdb references.
3143         (Debugging Options): Delete -gcoff.
3144         (-gstabs): Delete SDB reference.
3145         (-gcoff): Delete.
3146         (-gcoff@var{level}): Delete.
3147         * doc/passes.texi (Debugging information output): Delete SDB and
3148         sdbout.c references.
3149         * doc/tm.texi: Regenerate.
3150         * doc/tm.texi.in (DWARF_CIE_DATA_ALIGNMENT): Delete SDB from xref.
3151         (SDB and DWARF): Change node name to DWARF and delete SDB and COFF
3152         references.
3153         (DEBUGGER_AUTO_OFFSET): Delete COFF and SDB references.
3154         (PREFERRED_DEBUGGING_TYPE): Delete SDB_DEBUG and -gcoff references.
3155         (SDB_DEBUGGING_INFO): Delete.
3156         (PUT_SDB_@dots{}, SDB_DELIM, SDB_ALLOW_UNKNOWN_REFERENCES)
3157         SDB_ALLOW_FORWARD_REFERENCES, SDB_OUTPUT_SOURCE_LINE): Delete.
3158         * target.def (output_source_filename): Delete COFF reference.
3160         * common.opt (gcoff): Delete.
3161         (gxcoff+): Update Negative chain.
3162         * defaults.h: Delete all references to SDB_DEBUGGING_INFO and
3163         SDB_DEBUG.
3164         * dwarf2out.c (gen_array_type_die): Change SDB to debuggers.
3165         * flag-types.h (enum debug_info_type): Delete SDB_DEBUG.
3166         * function.c (number_blocks): Delete SDB_DEBUGGING_INFO, SDB_DEBUG,
3167         and SDB references.
3168         (expand_function_start): Change sdb reference to past tense.
3169         (expand_function_end): Change sdb reference to past tense.
3170         * gcc.c (cpp_unique_options): Delete gcoff3 reference.
3171         * opts.c (debug_type_names): Delete coff entry.
3172         (common_handle_option): Delete OPT_gcoff case.
3173         * system.h (SDB_DEBUG, SDB_DEBUGGING_INFO): Poison.
3175         * config/dbxcoff.h (PREFERRED_DEBUGGING_TYPE): Set to DBX_DEBUG.
3176         * config/cris/cris.h: Delete SDB reference in comment.
3177         * config/i386/cygming.h: Don't define SDB_DEBUGGING_INFO.
3178         (ASM_DECLARE_FUNCTION_NAME): Delete SDB reference from comment.
3179         * config/i386/gas.h: Don't define SDB_DEBUGGING_INFO.
3180         * config/i386/i386.c (svr4_dbx_register_map): Change SDB references
3181         to past tense.
3182         (ix86_expand_prologue): Likewise.
3183         * config/i386/winnt.c (i386_pe_start_function): Don't check SDB_DEBUG.
3184         * config/ia64/ia64.h: Likewise.
3185         * config/m68k/m68kelf.h (DBX_REGISTER_NUMBER): Delete SDB reference.
3186         * config/mips/mips.h (SUBTARGET_ASM_DEBUGGING_SPEC): Delete gcoff*
3187         support.
3188         * config/mmix/mmix.h: Likewise.
3189         * config/nds32/nds32.c: Likewise.
3190         * config/stormy/storym16.h: Likewise.
3191         * config/visium/visium.h: Likewise.
3192         * config/vx-common.h (SDB_DEBUGGING_INFO): Delete undef.
3194 2017-10-28  Sandra Loosemore  <sandra@codesourcery.com>
3196         * config/nios2/nios2.h (FRAME_GROWS_DOWNWARD): Define to 1.
3197         * config/nios2/nios2.c (nios2_initial_elimination_offset):  Make
3198         FRAME_POINTER_REGNUM point at high end of local var area.
3200 2017-10-27  Eric Botcazou  <ebotcazou@adacore.com>
3202         * bb-reorder.c (find_traces_1_round): Fix off-by-one index.
3203         Move comment around.  Do not reset best_edge for a copiable
3204         destination if the copy would cause a partition change.
3205         (better_edge_p): Remove redundant check.
3207 2017-10-27  Uros Bizjak  <ubizjak@gmail.com>
3209         * config/i386/i386-protos.h (ix86_fp_compare_mode): Remove prototype.
3211 2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
3213         * builtins.c (CASE_MATHFN_FLOATN): New helper macro to add cases
3214         for math functions that have _Float<N> and _Float<N>X variants.
3215         (mathfn_built_in_2): Add support for math functions that have
3216         _Float<N> and _Float<N>X variants.
3217         (DEF_INTERNAL_FLT_FLOATN_FN): New helper macro.
3218         (expand_builtin_mathfn_ternary): Add support for fma with
3219         _Float<N> and _Float<N>X variants.
3220         (expand_builtin): Likewise.
3221         (fold_builtin_3): Likewise.
3222         * builtins.def (DEF_EXT_LIB_FLOATN_NX_BUILTINS): New macro to
3223         create math function _Float<N> and _Float<N>X variants as external
3224         library builtins.
3225         (BUILT_IN_COPYSIGN _Float<N> and _Float<N>X variants) Use
3226         DEF_EXT_LIB_FLOATN_NX_BUILTINS to make built-in functions using
3227         the __builtin_ prefix and if not strict ansi, without the prefix.
3228         (BUILT_IN_FABS _Float<N> and _Float<N>X variants): Likewise.
3229         (BUILT_IN_FMA _Float<N> and _Float<N>X variants): Likewise.
3230         (BUILT_IN_FMAX _Float<N> and _Float<N>X variants): Likewise.
3231         (BUILT_IN_FMIN _Float<N> and _Float<N>X variants): Likewise.
3232         (BUILT_IN_NAN _Float<N> and _Float<N>X variants): Likewise.
3233         (BUILT_IN_SQRT _Float<N> and _Float<N>X variants): Likewise.
3234         * builtin-types.def (BT_FN_FLOAT16_FLOAT16_FLOAT16_FLOAT16): New
3235         function signatures for fma _Float<N> and _Float<N>X variants.
3236         (BT_FN_FLOAT32_FLOAT32_FLOAT32_FLOAT32): Likewise.
3237         (BT_FN_FLOAT64_FLOAT64_FLOAT64_FLOAT64): Likewise.
3238         (BT_FN_FLOAT128_FLOAT128_FLOAT128_FLOAT128): Likewise.
3239         (BT_FN_FLOAT32X_FLOAT32X_FLOAT32X_FLOAT32X): Likewise.
3240         (BT_FN_FLOAT64X_FLOAT64X_FLOAT64X_FLOAT64X): Likewise.
3241         (BT_FN_FLOAT128X_FLOAT128X_FLOAT128X_FLOAT128X): Likewise.
3242         * gencfn-macros.c (print_case_cfn): Add support for math functions
3243         that have _Float<N> and _Float<N>X variants.
3244         (print_define_operator_list): Likewise.
3245         (fltfn_suffixes): Likewise.
3246         (main): Likewise.
3247         * internal-fn.def (DEF_INTERNAL_FLT_FLOATN_FN): New helper macro
3248         for math functions that have _Float<N> and _Float<N>X variants.
3249         (SQRT): Add support for sqrt, copysign, fmin and fmax _Float<N>
3250         and _Float<N>X variants.
3251         (COPYSIGN): Likewise.
3252         (FMIN): Likewise.
3253         (FMAX): Likewise.
3254         * fold-const.c (tree_call_nonnegative_warnv_p): Add support for
3255         copysign, fma, fmax, fmin, and sqrt _Float<N> and _Float<N>X
3256         variants.
3257         (integer_valued_read_call_p): Likewise.
3258         * fold-const-call.c (fold_const_call_ss): Likewise.
3259         (fold_const_call_sss): Add support for copysign, fmin, and fmax
3260         _Float<N> and _Float<N>X variants.
3261         (fold_const_call_ssss): Add support for fma _Float<N> and
3262         _Float<N>X variants.
3263         * gimple-ssa-backprop.c (backprop::process_builtin_call_use): Add
3264         support for copysign and fma _Float<N> and _Float<N>X variants.
3265         (backprop::process_builtin_call_use): Likewise.
3266         * tree-call-cdce.c (can_test_argument_range); Add support for
3267         sqrt _Float<N> and _Float<N>X variants.
3268         (edom_only_function): Likewise.
3269         (get_no_error_domain): Likewise.
3270         * tree-ssa-math-opts.c (internal_fn_reciprocal): Likewise.
3271         * tree-ssa-reassoc.c (attempt_builtin_copysign): Add support for
3272         copysign _Float<N> and _Float<N>X variants.
3273         * config/rs6000/rs6000-builtin.def (SQRTF128): Delete, this is now
3274         handled by machine independent code.
3275         (FMAF128): Likewise.
3276         * doc/cpp.texi (Common Predefined Macros): Document defining
3277         __FP_FAST_FMAF<N> and __FP_FAST_FMAF<N>X if the backend supports
3278         fma _Float<N> and _Float<N>X variants.
3280 2017-10-27  Uros Bizjak  <ubizjak@gmail.com>
3282         PR target/82692
3283         * config/i386/i386-modes.def (CCFPU): Remove definition.
3284         * config/i386/i386.c (put_condition_mode): Remove CCFPU mode handling.
3285         (ix86_cc_modes_compatible): Ditto.
3286         (ix86_expand_carry_flag_compare): Ditto.
3287         (ix86_expand_int_movcc): Ditto.
3288         (ix86_expand_int_addcc): Ditto.
3289         (ix86_reverse_condition): Ditto.
3290         (ix86_unordered_fp_compare): Rename from ix86_fp_compare_mode.
3291         Return true/false for unordered/ordered fp comparisons.
3292         (ix86_cc_mode): Always return CCFPmode for float mode comparisons.
3293         (ix86_prepare_fp_compare_args): Update for rename.
3294         (ix86_expand_fp_compare): Update for rename.  Generate unordered
3295         compare RTXes wrapped with UNSPEC_NOTRAP unspec.
3296         (ix86_expand_sse_compare_and_jump): Ditto.
3297         * config/i386/predicates.md (fcmov_comparison_operator):
3298         Remove CCFPU mode handling.
3299         (ix86_comparison_operator): Ditto.
3300         (ix86_carry_flag_operator): Ditto.
3301         * config/i386/i386.md (UNSPEC_NOTRAP): New unspec.
3302         (*cmpu<mode>_i387): Wrap compare RTX with UNSPEC_NOTRAP unspec.
3303         (*cmpu<mode>_cc_i387): Ditto.
3304         (FPCMP): Remove mode iterator.
3305         (unord): Remove mode attribute.
3306         (unord_subst): New define_subst transformation
3307         (unord): New define_subst attribute.
3308         (unordered): Ditto.
3309         (*cmpi<unord><MODEF:mode>): Rewrite using unord_subst transformation.
3310         (*cmpi<unord>xf_i387): Ditto.
3311         * config/i386/sse.md (<sse>_<unord>comi<round_saeonly_name>): Merge
3312         from <sse>_comi<round_saeonly_name> and <sse>_ucomi<round_saeonly_name>
3313         using unord_subst transformation.
3314         * config/i386/subst.md (SUBST_A): Remove CCFP and CCFPU modes.
3315         (round_saeonly): Also handle CCFP mode.
3316         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_NOTRAP unspec.
3317         Remove UNSPEC_SAHF unspec handling.
3319 2017-10-27  Jan Hubicka  <hubicka@ucw.cz>
3321         * x86-tune.def (X86_TUNE_INTER_UNIT_MOVES_TO_VEC): Disable for Zen.
3323 2017-10-27  Jeff Law  <law@redhat.com>
3325         * gimple-ssa-sprintf.c: Include domwalk.h.
3326         (class sprintf_dom_walker): New class, derived from dom_walker.
3327         (sprintf_dom_walker::before_dom_children): New function.
3328         (struct call_info): Moved into sprintf_dom_walker class
3329         (compute_formath_length, handle_gimple_call): Likewise.
3330         (sprintf_length::execute): Call the dominator walker rather
3331         than walking the statements.
3333         * tree-vrp.c (check_all_array_refs): Do not use wi->info to smuggle
3334         gimple statement locations.
3335         (check_array_bounds): Corresponding changes.  Get the statement's
3336         location directly from wi->stmt.
3338 2017-10-27  Palmer Dabbelt  <palmer@dabbelt.com>
3340         PR target/82717
3341         * doc/invoke.texi (RISC-V) <-mabi>: Correct and improve.
3343 2017-10-27  Jan Hubicka  <hubicka@ucw.cz>
3345         * config/i386/x86-tune.def (X86_TUNE_PARTIAL_REG_DEPENDENCY,
3346         X86_TUNE_MOVX): Disable for Haswell and newer CPUs.
3348 2017-10-27  Jakub Jelinek  <jakub@redhat.com>
3350         PR target/82703
3351         * config/i386/i386-protos.h (maybe_get_pool_constant): Removed.
3352         * config/i386/i386.c (maybe_get_pool_constant): Removed.
3353         (ix86_split_to_parts): Use avoid_constant_pool_reference instead of
3354         maybe_get_pool_constant.
3355         * config/i386/predicates.md (zero_extended_scalar_load_operand):
3356         Likewise.
3358 2017-10-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3360         * doc/install.texi (Specific, i?86-*-solaris2.10): Simplify gas
3361         2.26 caveat.  Update gas and gld versions.
3362         (Specific, *-*-solaris2*): Update binutils version.  Remove caveat
3363         reference.
3365 2017-10-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3367         * cgraph.h (set_malloc_flag): Declare.
3368         * cgraph.c (set_malloc_flag_1): New function.
3369         (set_malloc_flag): Likewise.
3370         * ipa-fnsummary.h (ipa_call_summary): Add new field is_return_callee.
3371         * ipa-fnsummary.c (ipa_call_summary::reset): Set is_return_callee to
3372         false.
3373         (read_ipa_call_summary): Add support for reading is_return_callee.
3374         (write_ipa_call_summary): Stream is_return_callee.
3375         * ipa-inline.c (ipa_inline): Remove call to ipa_free_fn_summary.
3376         * ipa-pure-const.c: Add headers ssa.h, alloc-pool.h, symbol-summary.h,
3377         ipa-prop.h, ipa-fnsummary.h.
3378         (pure_const_names): Change to static.
3379         (malloc_state_e): Define.
3380         (malloc_state_names): Define.
3381         (funct_state_d): Add field malloc_state.
3382         (varying_state): Set malloc_state to STATE_MALLOC_BOTTOM.
3383         (check_retval_uses): New function.
3384         (malloc_candidate_p): Likewise.
3385         (analyze_function): Add support for malloc attribute.
3386         (pure_const_write_summary): Stream malloc_state.
3387         (pure_const_read_summary): Add support for reading malloc_state.
3388         (dump_malloc_lattice): New function.
3389         (propagate_malloc): New function.
3390         (warn_function_malloc): New function.
3391         (ipa_pure_const::execute): Call propagate_malloc and
3392         ipa_free_fn_summary.
3393         (pass_local_pure_const::execute): Add support for malloc attribute.
3394         * ssa-iterators.h (RETURN_FROM_IMM_USE_STMT): New macro.
3395         * doc/invoke.texi: Document Wsuggest-attribute=malloc.
3397 2017-10-27  Martin Liska  <mliska@suse.cz>
3399         PR gcov-profile/82457
3400         * doc/invoke.texi: Document that one needs a non-strict ISO mode
3401         for fork-like functions to be properly instrumented.
3403 2017-10-27  Richard Biener  <rguenther@suse.de>
3405         PR middle-end/81659
3406         * tree-eh.c (pass_lower_eh_dispatch::execute): Free dominator
3407         info when we redirected EH.
3409 2017-10-26  Michael Collison  <michael.collison@arm.com>
3411         * config/aarch64/aarch64.md(<optab>_trunc><vf><GPI:mode>2):
3412         New pattern.
3413         (<optab>_trunchf<GPI:mode>2: New pattern.
3414         (<optab>_trunc<vgp><GPI:mode>2: New pattern.
3415         * config/aarch64/iterators.md (wv): New mode attribute.
3416         (vf, VF): New mode attributes.
3417         (vgp, VGP): New mode attributes.
3418         (s): Update attribute with SImode and DImode prefixes.
3420 2017-10-26  Sandra Loosemore  <sandra@codesourcery.com>
3422         * config/nios2/constraints.md ("S"): Match r0rel_constant_p too.
3423         * config/nios2/nios2-protos.h (r0rel_constant_p): Declare.
3424         * config/nios2/nios2.c: (nios2_r0rel_sec_regex): New.
3425         (nios2_option_overide): Initialize it.  Don't allow R0-relative
3426         addressing with PIC.
3427         (nios2_rtx_costs): Handle r0rel_constant_p like gprel_constant_p.
3428         (nios2_symbolic_constant_p): Likewise.
3429         (nios2_legitimate_address_p): Likewise.
3430         (nios2_r0rel_section_name_p): New.
3431         (nios2_symbol_ref_in_r0rel_data_p): New.
3432         (nios2_emit_move_sequence): Handle r0rel_constant_p.
3433         (r0rel_constant_p): New.
3434         (nios2_print_operand_address): Handle r0rel_constant_p.
3435         (nios2_cdx_narrow_form_p): Likewise.
3436         * config/nios2/nios2.opt (mr0rel-sec=): New option.
3437         * doc/invoke.texi (Option Summary): Add -mr0rel-sec.
3438         (Nios II Options): Document -mr0rel-sec.
3440 2017-10-26  Sandra Loosemore  <sandra@codesourcery.com>
3442         * config/nios2/nios2.c: Include xregex.h.
3443         (nios2_gprel_sec_regex): New.
3444         (nios2_option_overide): Initialize it.  Don't allow GP-relative
3445         addressing with PIC.
3446         (nios2_small_section_name_p): Check for regex match.
3447         * config/nios2/nios2.opt (mgprel-sec=): New option.
3448         * doc/invoke.texi (Option Summary): Add -mgprel-sec.
3449         (Nios II Options): Document -mgprel-sec.
3451 2017-10-26  Jim Wilson  <wilson@tuliptree.org>
3453         * doc/invoke.texi (-fdebug-prefix-map): Expand documentation.
3455 2017-10-26  Tom de Vries  <tom@codesourcery.com>
3457         PR tree-optimization/82707
3458         * gimple.c (gimple_copy): Fix unsharing of
3459         GIMPLE_OMP_{SINGLE,TARGET,TEAMS}.
3461 2017-10-26  Olga Makhotina  <olga.makhotina@intel.com>
3463         * config/i386/avx512fintrin.h (_mm512_cmpeq_pd_mask,
3464         _mm512_cmple_pd_mask, _mm512_cmplt_pd_mask,
3465         _mm512_cmpneq_pd_mask, _mm512_cmpnle_pd_mask,
3466         _mm512_cmpnlt_pd_mask, _mm512_cmpord_pd_mask,
3467         _mm512_cmpunord_pd_mask, _mm512_mask_cmpeq_pd_mask,
3468         _mm512_mask_cmple_pd_mask, _mm512_mask_cmplt_pd_mask,
3469         _mm512_mask_cmpneq_pd_mask, _mm512_mask_cmpnle_pd_mask,
3470         _mm512_mask_cmpnlt_pd_mask, _mm512_mask_cmpord_pd_mask,
3471         _mm512_mask_cmpunord_pd_mask, _mm512_cmpeq_ps_mask,
3472         _mm512_cmple_ps_mask, _mm512_cmplt_ps_mask,
3473         _mm512_cmpneq_ps_mask, _mm512_cmpnle_ps_mask,
3474         _mm512_cmpnlt_ps_mask, _mm512_cmpord_ps_mask,
3475         _mm512_cmpunord_ps_mask, _mm512_mask_cmpeq_ps_mask,
3476         _mm512_mask_cmple_ps_mask, _mm512_mask_cmplt_ps_mask,
3477         _mm512_mask_cmpneq_ps_mask, _mm512_mask_cmpnle_ps_mask,
3478         _mm512_mask_cmpnlt_ps_mask, _mm512_mask_cmpord_ps_mask,
3479         _mm512_mask_cmpunord_ps_mask): New intrinsics.
3481 2017-10-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3483         * config/rs6000/aix.h (TARGET_IEEEQUAD_DEFAULT): Set long double
3484         default to IBM.
3485         * config/rs6000/darwin.h (TARGET_IEEEQUAD_DEFAULT): Likewise.
3486         * config/rs6000/rs6000.opt (-mabi=ieeelongdouble): Move the
3487         warning to rs6000.c.  Remove the Undocumented flag, since it has
3488         been documented.
3489         (-mabi=ibmlongdouble): Likewise.
3490         * config/rs6000/rs6000.c (TARGET_IEEEQUAD_DEFAULT): If it is not
3491         already set, set the default format for long double.
3492         (rs6000_debug_reg_global): Print whether long double is IBM or
3493         IEEE.
3494         (rs6000_option_override_internal): Rework setting long double
3495         format.  Only warn if the user is changing the long double default
3496         and they did not use -Wno-psabi.
3497         * doc/invoke.texi (PowerPC options): Update the documentation for
3498         -mabi=ieeelongdouble and -mabi=ibmlongdouble.
3500 2017-10-26  Richard Sandiford  <richard.sandiford@linaro.org>
3501             Alan Hayward  <alan.hayward@arm.com>
3502             David Sherwood  <david.sherwood@arm.com>
3504         * rtl.h (wider_subreg_mode): New function.
3505         * ira.h (ira_sort_regnos_for_alter_reg): Take a machine_mode *
3506         rather than an unsigned int *.
3507         * ira-color.c (regno_max_ref_width): Replace with...
3508         (regno_max_ref_mode): ...this new variable.
3509         (coalesced_pseudo_reg_slot_compare): Update accordingly.
3510         Use wider_subreg_mode.
3511         (ira_sort_regnos_for_alter_reg): Likewise.  Take a machine_mode *
3512         rather than an unsigned int *.
3513         * lra-constraints.c (uses_hard_regs_p): Use wider_subreg_mode.
3514         (process_alt_operands): Likewise.
3515         (invariant_p): Likewise.
3516         * lra-spills.c (assign_mem_slot): Likewise.
3517         (add_pseudo_to_slot): Likewise.
3518         * lra.c (collect_non_operand_hard_regs): Likewise.
3519         (add_regs_to_insn_regno_info): Likewise.
3520         * reload1.c (regno_max_ref_width): Replace with...
3521         (regno_max_ref_mode): ...this new variable.
3522         (reload): Update accordingly.  Update call to
3523         ira_sort_regnos_for_alter_reg.
3524         (alter_reg): Update to use regno_max_ref_mode.  Call wider_subreg_mode.
3525         (init_eliminable_invariants): Update to use regno_max_ref_mode.
3526         (scan_paradoxical_subregs): Likewise.
3528 2017-10-26  Wilco Dijkstra  <wdijkstr@arm.com>
3530         * config/aarch64/aarch64.h (EXIT_IGNORE_STACK): Set if alloca is used.
3531         (aarch64_frame): Add emit_frame_chain boolean.
3532         * config/aarch64/aarch64.c (aarch64_frame_pointer_required)
3533         Move eh_return case to aarch64_layout_frame.
3534         (aarch64_layout_frame): Initialize emit_frame_chain.
3535         (aarch64_expand_prologue): Use emit_frame_chain.
3537 2017-10-26  Wilco Dijkstra  <wdijkstr@arm.com>
3539         * config/aarch64/aarch64.c (aarch64_layout_frame):
3540         Ensure LR is always stored at the bottom of the callee-saves.
3541         Remove rarely used frame layout which saves callee-saves at top of
3542         frame, so the store of LR can be used as a valid probe in all cases.
3544 2017-10-26  Wilco Dijkstra  <wdijkstr@arm.com>
3546         * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
3547         Improve unaligned TImode/TFmode base/offset split.
3549 2017-10-26  Richard Sandiford  <richard.sandiford@linaro.org>
3550             Alan Hayward  <alan.hayward@arm.com>
3551             David Sherwood  <david.sherwood@arm.com>
3553         * caller-save.c (mark_referenced_regs):  Use read_modify_subreg_p.
3554         * combine.c (find_single_use_1): Likewise.
3555         (expand_field_assignment): Likewise.
3556         (move_deaths): Likewise.
3557         * lra-constraints.c (simplify_operand_subreg): Likewise.
3558         (curr_insn_transform): Likewise.
3559         * lra.c (collect_non_operand_hard_regs): Likewise.
3560         (add_regs_to_insn_regno_info): Likewise.
3561         * rtlanal.c (reg_referenced_p): Likewise.
3562         (covers_regno_no_parallel_p): Likewise.
3564 2017-10-26  Richard Sandiford  <richard.sandiford@linaro.org>
3566         * wide-int-print.cc (print_hex): Loop based on extract_uhwi.
3567         Don't print any bits outside the precision of the value.
3568         * wide-int.cc (test_printing): Add some new tests.
3570 2017-10-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3572         * configure.ac (gcc_cv_as_ix86_xbrace_comment): Check if assembler
3573         supports -xbrace_comment option.
3574         * configure: Regenerate.
3575         * config.in: Regenerate.
3576         * config/i386/sol2.h (ASM_XBRACE_COMMENT_SPEC): Define.
3577         (ASM_CPU_SPEC): Use it.
3579 2017-10-26  Richard Sandiford  <richard.sandiford@linaro.org>
3581         * target.def (static_rtx_alignment): New hook.
3582         * targhooks.h (default_static_rtx_alignment): Declare.
3583         * targhooks.c (default_static_rtx_alignment): New function.
3584         * doc/tm.texi.in (TARGET_STATIC_RTX_ALIGNMENT): New hook.
3585         * doc/tm.texi: Regenerate.
3586         * varasm.c (force_const_mem): Use targetm.static_rtx_alignment
3587         instead of targetm.constant_alignment.  Remove call to
3588         set_mem_attributes.
3589         * config/cris/cris.c (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
3590         (cris_preferred_mininum_alignment): New function, split out from...
3591         (cris_constant_alignment): ...here.
3592         (cris_static_rtx_alignment): New function.
3593         * config/i386/i386.c (ix86_static_rtx_alignment): New function,
3594         split out from...
3595         (ix86_constant_alignment): ...here.
3596         (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
3597         * config/mmix/mmix.c (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
3598         (mmix_static_rtx_alignment): New function.
3599         * config/spu/spu.c (spu_static_rtx_alignment): New function.
3600         (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
3602 2017-10-26  Tamar Christina  <tamar.christina@arm.com>
3604         PR target/81800
3605         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2):
3606         Add flag_trapping_math and flag_fp_int_builtin_inexact.
3608 2017-10-25  Palmer Dabbelt  <palmer@dabbelt.com>
3610         * config/riscv/riscv.md (ZERO_EXTEND_LOAD): Define.
3611         * config/riscv/pic.md (local_pic_load): Rename to local_pic_load_s,
3612         mark as a sign-extending load.
3613         (local_pic_load_u): Define.
3615 2017-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3617         PR middle-end/82062
3618         * fold-const.c (operand_equal_for_comparison_p): Also return true
3619         if ARG0 is a simple variant of ARG1 with narrower precision.
3620         (fold_ternary_loc): Always pass unstripped operands to the predicate.
3622 2017-10-25  Jan Hubicka  <hubicka@ucw.cz>
3624         * i386.c (ix86_builtin_vectorization_cost): Compute scatter/gather
3625         cost correctly.
3626         * i386.h (processor_costs): Add gather_static, gather_per_elt,
3627         scatter_static, scatter_per_elt.
3628         * x86-tune-costs.h: Add new cost entries.
3630 2017-10-25  Richard Biener  <rguenther@suse.de>
3632         * tree-ssa-sccvn.h (vn_eliminate): Declare.
3633         * tree-ssa-pre.c (class eliminate_dom_walker, eliminate,
3634         class pass_fre): Move to ...
3635         * tree-ssa-sccvn.c (class eliminate_dom_walker, vn_eliminate,
3636         class pass_fre): ... here and adjust for statistics.
3638 2017-10-25  Jakub Jelinek  <jakub@redhat.com>
3640         PR libstdc++/81706
3641         * attribs.c (attribute_value_equal): Use omp_declare_simd_clauses_equal
3642         for comparison of OMP_CLAUSEs regardless of flag_openmp{,_simd}.
3643         (duplicate_one_attribute, copy_attributes_to_builtin): New functions.
3644         * attribs.h (duplicate_one_attribute, copy_attributes_to_builtin): New
3645         declarations.
3647 2017-10-25  Richard Biener  <rguenther@suse.de>
3649         * tree-ssa-pre.c (need_eh_cleanup, need_ab_cleanup, el_to_remove,
3650         el_to_fixup, el_todo, el_avail, el_avail_stack, eliminate_avail,
3651         eliminate_push_avail, eliminate_insert): Move inside...
3652         (class eliminate_dom_walker): ... this class in preparation
3653         of move.
3654         (fini_eliminate): Remove by merging with ...
3655         (eliminate): ... this function.  Adjust for class changes.
3656         (pass_pre::execute): Remove fini_eliminate call.
3657         (pass_fre::execute): Likewise.
3659 2017-10-24  Jakub Jelinek  <jakub@redhat.com>
3661         PR target/82460
3662         * config/i386/sse.md (UNSPEC_VPERMI2, UNSPEC_VPERMI2_MASK): Remove.
3663         (VPERMI2, VPERMI2I): New mode iterators.
3664         (<avx512>_vpermi2var<mode>3_maskz): Remove 3 define_expand patterns.
3665         (<avx512>_vpermi2var<mode>3<sd_maskz_name>): Remove 3 define_insn
3666         patterns.
3667         (<avx512>_vpermi2var<mode>3_mask): New define_expand using VPERMI2
3668         mode iterator.  Remove 3 old define_insn patterns.
3669         (*<avx512>_vpermi2var<mode>3_mask): 2 new define_insn patterns.
3670         (<avx512>_vpermt2var<mode>3_maskz): Adjust 1 define_expand to use
3671         VPERMI2 mode iterator, remove the other two expanders.
3672         (<avx512>_vpermt2var<mode>3<sd_maskz_name>): Adjust 1 define_insn
3673         to use VPERMI2 mode iterator, add another alternative for vpermi2*
3674         instructions, remove the other two patterns.
3675         (<avx512>_vpermt2var<mode>3_mask): Adjust 1 define_insn to use VPERMI2
3676         mode iterator, remove the other two patterns.
3677         * config/i386/i386.c (ix86_expand_vec_perm_vpermi2): Renamed to ...
3678         (ix86_expand_vec_perm_vpermt2): ... this.  Swap mask and op0
3679         arguments, use gen_*vpermt2* expanders instead of gen_*vpermi2*
3680         and adjust argument order accordingly.
3681         (ix86_expand_vec_perm): Adjust caller.
3682         (expand_vec_perm_1): Likewise.
3683         (expand_vec_perm_vpermi2_vpshub2): Rename to ...
3684         (expand_vec_perm_vpermt2_vpshub2): ... this.
3685         (ix86_expand_vec_perm_const_1): Adjust caller.
3686         (ix86_vectorize_vec_perm_const_ok): Adjust comments.
3688         PR target/82370
3689         * config/i386/sse.md (VIMAX_AVX2): Remove V4TImode.
3690         (VIMAX_AVX2_AVX512BW, VIMAX_AVX512VL): New mode iterators.
3691         (vec_shl_<mode>): Remove unused expander.
3692         (avx512bw_<shift_insn><mode>3): New define_insn.
3693         (<sse2_avx2>_ashl<mode>3, <sse2_avx2>_lshr<mode>3): Replaced by ...
3694         (<sse2_avx2>_<shift_insn><mode>3): ... this.  New define_insn.
3696 2017-10-24  Paolo Carlini  <paolo.carlini@oracle.com>
3698         PR c++/82466
3699         * doc/invoke.texi ([Wbuiltin-declaration-mismatch]): Extend
3700         description.
3702 2017-10-24  Wilco Dijkstra  <wdijkstr@arm.com>
3704         PR rtl-optimization/82396
3705         * gcc/haifa-sched.c (ready_sort_real): Remove qsort workaround.
3706         (autopref_multipass_init): Simplify initialization.
3707         (autopref_rank_data): Simplify sort order.
3708         * gcc/sched-int.h (autopref_multipass_data_): Remove
3709         multi_mem_insn_p, min_offset and max_offset.
3711 2017-10-24  Wilco Dijkstra  <wdijkstr@arm.com>
3713         PR middle-end/60580
3714         * config/aarch64/aarch64.c (aarch64_frame_pointer_required)
3715         Check special value of flag_omit_frame_pointer.
3716         (aarch64_can_eliminate): Likewise.
3717         (aarch64_override_options_after_change_1): Simplify handling of
3718         -fomit-frame-pointer and -fomit-leaf-frame-pointer.
3720 2017-10-24  Richard Biener  <rguenther@suse.de>
3722         PR tree-optimization/82697
3723         * tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
3724         zero for conditional load and unconditional store.
3726 2017-10-24  H.J. Lu  <hongjiu.lu@intel.com>
3728         * doc/install.texi: Document bootstrap-cet.
3730 2017-10-24  H.J. Lu  <hongjiu.lu@intel.com>
3732         PR target/82659
3733         * config/i386/i386.c (rest_of_insert_endbranch): Don't insert
3734         ENDBR instruction at function entrance if function is only
3735         called directly.
3737 2017-10-24  Jakub Jelinek  <jakub@redhat.com>
3739         PR target/82628
3740         * config/i386/i386.md (addcarry<mode>, subborrow<mode>): Change
3741         patterns to better describe from which operation the CF is computed.
3742         (addcarry<mode>_0, subborrow<mode>_0): New patterns.
3743         * config/i386/i386.c (ix86_expand_builtin) <case handlecarry>: Pass
3744         one LTU with [DT]Imode and another one with [SD]Imode.  If arg0
3745         is 0, use _0 suffixed expanders instead of emitting a comparison
3746         before it.
3748 2017-10-06  Sergey Shalnov  <Sergey.Shalnov@intel.com>
3750         * config/i386/i386.md(*movsf_internal, *movdf_internal):
3751         Avoid 512-bit AVX modes for TARGET_PREFER_AVX256.
3753 2017-10-24  Eric Botcazou  <ebotcazou@adacore.com>
3755         PR middle-end/82569
3756         * tree-outof-ssa.h (always_initialized_rtx_for_ssa_name_p): Delete.
3757         * expr.c (expand_expr_real_1) <expand_decl_rtl>: Revert latest change.
3758         * loop-iv.c (iv_get_reaching_def): Likewise.
3759         * cfgexpand.c (expand_one_ssa_partition): Initialize the RTX if the
3760         variable is promoted and the partition contains undefined values.
3762 2017-10-23  Sandra Loosemore  <sandra@codesourcery.com>
3764         * config/nios2/nios2.c (nios2_rtx_costs): Make costs better
3765         reflect reality.
3766         (nios2_address_cost): Define.
3767         (nios2_legitimize_address): Recognize (exp + constant) directly.
3768         (TARGET_ADDRESS_COST): Define.
3770 2017-10-23  Sandra Loosemore  <sandra@codesourcery.com>
3772         * config/nios2/nios2-protos.h (nios2_large_constant_p): Declare.
3773         (nios2_symbolic_memory_operand_p): Declare.
3774         (nios2_split_large_constant): Declare.
3775         (nios2_split_symbolic_memory_operand): Declare.
3776         * config/nios2/nios2.c: Adjust includes.
3777         (nios2_symbolic_constant_allowed): New.
3778         (nios2_symbolic_constant_p): New.
3779         (nios2_plus_symbolic_constant_p): New.
3780         (nios2_valid_addr_expr_p): Recognize addresses involving
3781         symbolic constants.
3782         (nios2_legitimate_address_p): Likewise, also LO_SUM.
3783         (nios2_symbolic_memory_operand_p): New.
3784         (nios2_large_constant_p): New.
3785         (nios2_split_large_constant): New.
3786         (nios2_split_plus_large_constant): New.
3787         (nios2_split_symbolic_memory_operand): New.
3788         (nios2_legitimize_address): Code refactoring.  Handle addresses
3789         involving symbolic constants.
3790         (nios2_emit_move_sequence): Likewise.
3791         (nios2_print_operand): Improve error output.
3792         (nios2_print_operand_address): Handle LO_SUM.
3793         (nios2_cdx_narrow_form_p): Likewise.
3794         * config/nios2/nios2.md (movqi_internal): Add splitter for memory
3795         operands involving symbolic constants.
3796         (movhi_internal, movsi_internal): Likewise.
3797         (zero_extendhisi2, zero_extendqi<mode>2): Likewise.
3798         (extendhisi2, extendqi<mode>2): Likewise.
3800 2017-10-23  Sandra Loosemore  <sandra@codesourcery.com>
3802         * tree-pass.h (PROP_rtl_split_insns): Define.
3803         * recog.c (pass_data_split_all_insns): Provide PROP_rtl_split_insns.
3805 2017-10-23  Sandra Loosemore  <sandra@codesourcery.com>
3807         * config/nios2/nios2.c (TARGET_LRA_P): Don't override.
3809 2017-10-23  Jakub Jelinek  <jakub@redhat.com>
3811         PR debug/82630
3812         * target.def (const_not_ok_for_debug_p): Default to
3813         default_const_not_ok_for_debug_p instead of hook_bool_rtx_false.
3814         * targhooks.h (default_const_not_ok_for_debug_p): New declaration.
3815         * targhooks.c (default_const_not_ok_for_debug_p): New function.
3816         * dwarf2out.c (const_ok_for_output_1): Only reject UNSPECs for
3817         which targetm.const_not_ok_for_debug_p returned true.
3818         * config/arm/arm.c (arm_const_not_ok_for_debug_p): Return true
3819         for UNSPECs.
3820         * config/powerpcspe/powerpcspe.c (rs6000_const_not_ok_for_debug_p):
3821         Likewise.
3822         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): Likewise.
3823         * config/i386/i386.c (ix86_delegitimize_address_1): Don't delegitimize
3824         UNSPEC_GOTOFF with addend into addend - _GLOBAL_OFFSET_TABLE_ + symbol
3825         if !base_term_p.
3826         (ix86_const_not_ok_for_debug_p): New function.
3827         (i386_asm_output_addr_const_extra): Handle UNSPEC_GOTOFF.
3828         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3830 2017-10-23  David Malcolm  <dmalcolm@redhat.com>
3832         PR bootstrap/82610
3833         * system.h: Conditionally include "unique-ptr.h" if
3834         INCLUDE_UNIQUE_PTR is defined.
3835         * unique-ptr-tests.cc: Remove include of "unique-ptr.h" in favor
3836         of defining INCLUDE_UNIQUE_PTR before including "system.h".
3838 2017-10-23  Sebastian Perta  <sebastian.perta@renesas.com>
3840         * config/rl78/rl78.md: New define_expand "subdi3".
3842 2017-10-23  H.J. Lu  <hongjiu.lu@intel.com>
3844         PR target/82673
3845         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Skip
3846         DF_REF_INSN if DF_REF_INSN_INFO is false.
3848 2017-10-23  Jan Hubicka  <hubicka@ucw.cz>
3850         * i386.c (dimode_scalar_chain::compute_convert_gain): Use
3851         xmm_move instead of sse_move.
3852         (sse_store_index): New function.
3853         (ix86_register_move_cost): Be more sensible about mismatch stall;
3854         model AVX moves correctly; make difference between sse->integer and
3855         integer->sse.
3856         (ix86_builtin_vectorization_cost): Model correctly aligned and unaligned
3857         moves; make difference between SSE and AVX.
3858         * i386.h (processor_costs): Remove sse_move; add xmm_move, ymm_move
3859         and zmm_move. Increase size of sse load and store tables;
3860         add unaligned load and store tables; add ssemmx_to_integer.
3861         * x86-tune-costs.h: Update all entries according to real
3862         move latencies from Agner Fog's manual and chip documentation.
3864 2017-10-23  Jakub Jelinek  <jakub@redhat.com>
3866         PR target/82628
3867         * config/i386/predicates.md (x86_64_dwzext_immediate_operand): New.
3868         * config/i386/constraints.md (Wf): New constraint.
3869         * config/i386/i386.md (UNSPEC_SBB): New unspec.
3870         (cmp<dwi>_doubleword): Removed.
3871         (sub<mode>3_carry_ccc, *sub<mode>3_carry_ccc_1): New patterns.
3872         (sub<mode>3_carry_ccgz): Use unspec instead of compare.
3873         * config/i386/i386.c (ix86_expand_branch) <case E_TImode>: Don't
3874         expand with cmp<dwi>_doubleword.  For LTU and GEU use
3875         sub<mode>3_carry_ccc instead of sub<mode>3_carry_ccgz and use CCCmode.
3877         * common.opt (gcolumn-info): Enable by default.
3878         * doc/invoke.texi (gcolumn-info): Document new default.
3880 2017-10-23  Richard Biener  <rguenther@suse.de>
3882         PR tree-optimization/82672
3883         * graphite-isl-ast-to-gimple.c (graphite_copy_stmts_from_block):
3884         Fold the stmt if we propagated into it.
3886 2017-10-23  Richard Biener  <rguenther@suse.de>
3888         * tree-ssa-pre.c (bitmap_remove_from_set): Rename to...
3889         (bitmap_remove_expr_from_set): ... this.  All callers call this
3890         for non-constant values.
3891         (bitmap_set_subtract): Rename to...
3892         (bitmap_set_subtract_expressions): ... this.  Adjust and
3893         optimize.
3894         (bitmap_set_contains_value): Remove superfluous check.
3895         (bitmap_set_replace_value): Inline into single caller ...
3896         (bitmap_value_replace_in_set): ... here and simplify.
3897         (dependent_clean): Merge into ...
3898         (clean): ... this using an overload.  Adjust.
3899         (prune_clobbered_mems): Adjust.
3900         (compute_antic_aux): Likewise.
3901         (compute_partial_antic_aux): Likewise.
3903 2017-10-23  Richard Biener  <rguenther@suse.de>
3905         PR tree-optimization/82129
3906         Revert
3907         2017-08-01  Richard Biener  <rguenther@suse.de>
3909         PR tree-optimization/81181
3910         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
3911         (compute_antic): ... end of iteration here.
3913 2017-10-23  Richard Sandiford  <richard.sandiford@linaro.org>
3915         * target.def (starting_frame_offset): New hook.
3916         * doc/tm.texi (STARTING_FRAME_OFFSET): Remove in favor of...
3917         (TARGET_STARTING_FRAME_OFFSET): ...this new hook.
3918         * doc/tm.texi.in: Regenerate.
3919         * hooks.h (hook_hwi_void_0): Declare.
3920         * hooks.c (hook_hwi_void_0): New function.
3921         * doc/rtl.texi: Refer to TARGET_STARTING_FRAME_OFFSET instead of
3922         STARTING_FRAME_OFFSET.
3923         * builtins.c (expand_builtin_setjmp_receiver): Likewise.
3924         * reload1.c (reload): Likewise.
3925         * cfgexpand.c (expand_used_vars): Use targetm.starting_frame_offset
3926         instead of STARTING_FRAME_OFFSET.
3927         * function.c (try_fit_stack_local): Likewise.
3928         (assign_stack_local_1): Likewise
3929         (instantiate_virtual_regs): Likewise.
3930         * rtlanal.c (rtx_addr_can_trap_p_1): Likewise.
3931         * config/avr/avr.md (nonlocal_goto_receiver): Likewise.
3932         * config/aarch64/aarch64.h (STARTING_FRAME_OFFSET): Delete.
3933         * config/alpha/alpha.h (STARTING_FRAME_OFFSET): Likewise.
3934         * config/arc/arc.h (STARTING_FRAME_OFFSET): Likewise.
3935         * config/arm/arm.h (STARTING_FRAME_OFFSET): Likewise.
3936         * config/bfin/bfin.h (STARTING_FRAME_OFFSET): Likewise.
3937         * config/c6x/c6x.h (STARTING_FRAME_OFFSET): Likewise.
3938         * config/cr16/cr16.h (STARTING_FRAME_OFFSET): Likewise.
3939         * config/cris/cris.h (STARTING_FRAME_OFFSET): Likewise.
3940         * config/fr30/fr30.h (STARTING_FRAME_OFFSET): Likewise.
3941         * config/frv/frv.h (STARTING_FRAME_OFFSET): Likewise.
3942         * config/ft32/ft32.h (STARTING_FRAME_OFFSET): Likewise.
3943         * config/h8300/h8300.h (STARTING_FRAME_OFFSET): Likewise.
3944         * config/i386/i386.h (STARTING_FRAME_OFFSET): Likewise.
3945         * config/ia64/ia64.h (STARTING_FRAME_OFFSET): Likewise.
3946         * config/m32c/m32c.h (STARTING_FRAME_OFFSET): Likewise.
3947         * config/m68k/m68k.h (STARTING_FRAME_OFFSET): Likewise.
3948         * config/mcore/mcore.h (STARTING_FRAME_OFFSET): Likewise.
3949         * config/mn10300/mn10300.h (STARTING_FRAME_OFFSET): Likewise.
3950         * config/moxie/moxie.h (STARTING_FRAME_OFFSET): Likewise.
3951         * config/msp430/msp430.h (STARTING_FRAME_OFFSET): Likewise.
3952         * config/nds32/nds32.h (STARTING_FRAME_OFFSET): Likewise.
3953         * config/nios2/nios2.h (STARTING_FRAME_OFFSET): Likewise.
3954         * config/nvptx/nvptx.h (STARTING_FRAME_OFFSET): Likewise.
3955         * config/pdp11/pdp11.h (STARTING_FRAME_OFFSET): Likewise.
3956         * config/riscv/riscv.h (STARTING_FRAME_OFFSET): Likewise.
3957         * config/rl78/rl78.h (STARTING_FRAME_OFFSET): Likewise.
3958         * config/rx/rx.h (STARTING_FRAME_OFFSET): Likewise.
3959         * config/s390/s390.h (STARTING_FRAME_OFFSET): Likewise.
3960         * config/sh/sh.h (STARTING_FRAME_OFFSET): Likewise.
3961         * config/sparc/sparc.c (sparc_compute_frame_size): Likewise.
3962         * config/sparc/sparc.h (STARTING_FRAME_OFFSET): Likewise.
3963         * config/spu/spu.h (STARTING_FRAME_OFFSET): Likewise.
3964         * config/stormy16/stormy16.h (STARTING_FRAME_OFFSET): Likewise.
3965         * config/tilegx/tilegx.h (STARTING_FRAME_OFFSET): Likewise.
3966         * config/tilepro/tilepro.h (STARTING_FRAME_OFFSET): Likewise.
3967         * config/v850/v850.h (STARTING_FRAME_OFFSET): Likewise.
3968         * config/visium/visium.h (STARTING_FRAME_OFFSET): Likewise.
3969         * config/avr/avr.h (STARTING_FRAME_OFFSET): Likewise.
3970         * config/avr/avr-protos.h (avr_starting_frame_offset): Likewise.
3971         * config/avr/avr.c (avr_starting_frame_offset): Make static and
3972         return a HOST_WIDE_INT.
3973         (avr_builtin_setjmp_frame_value): Use it instead of
3974         STARTING_FRAME_OFFSET.
3975         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3976         * config/epiphany/epiphany.h (STARTING_FRAME_OFFSET): Delete.
3977         * config/epiphany/epiphany.c (epiphany_starting_frame_offset):
3978         New function.
3979         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3980         * config/iq2000/iq2000.h (STARTING_FRAME_OFFSET): Delete.
3981         * config/iq2000/iq2000.c (iq2000_starting_frame_offset): New function.
3982         (TARGET_CONSTANT_ALIGNMENT): Redefine.
3983         * config/lm32/lm32.h (STARTING_FRAME_OFFSET): Delete.
3984         * config/lm32/lm32.c (lm32_starting_frame_offset): New function.
3985         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3986         * config/m32r/m32r.h (STARTING_FRAME_OFFSET): Delete.
3987         * config/m32r/m32r.c (m32r_starting_frame_offset): New function.
3988         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3989         * config/microblaze/microblaze.h (STARTING_FRAME_OFFSET): Delete.
3990         * config/microblaze/microblaze.c (microblaze_starting_frame_offset):
3991         New function.
3992         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3993         * config/mips/mips.h (STARTING_FRAME_OFFSET): Delete.
3994         * config/mips/mips.c (mips_compute_frame_info): Refer to
3995         TARGET_STARTING_FRAME_OFFSET instead of STARTING_FRAME_OFFSET.
3996         (mips_starting_frame_offset): New function.
3997         (TARGET_STARTING_FRAME_OFFSET): Redefine.
3998         * config/mmix/mmix.h (STARTING_FRAME_OFFSET): Delete.
3999         * config/mmix/mmix-protos.h (mmix_starting_frame_offset): Delete.
4000         * config/mmix/mmix.c (mmix_starting_frame_offset): Make static
4001         and return a HOST_WIDE_INT.
4002         (TARGET_STARTING_FRAME_OFFSET): Redefine.
4003         (mmix_initial_elimination_offset): Refer to
4004         TARGET_STARTING_FRAME_OFFSET instead of STARTING_FRAME_OFFSET.
4005         * config/pa/pa.h (STARTING_FRAME_OFFSET): Delete.
4006         * config/pa/pa.c (pa_starting_frame_offset): New function.
4007         (pa_compute_frame_size): Use it instead of STARTING_FRAME_OFFSET.
4008         (pa_expand_prologue): Likewise.
4009         (TARGET_STARTING_FRAME_OFFSET): Redefine.
4010         * config/powerpcspe/aix.h (STARTING_FRAME_OFFSET): Split out
4011         !FRAME_GROWS_DOWNWARD handling to...
4012         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4013         * config/powerpcspe/darwin.h (STARTING_FRAME_OFFSET): Split out
4014         !FRAME_GROWS_DOWNWARD handling to...
4015         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4016         * config/powerpcspe/powerpcspe.h (STARTING_FRAME_OFFSET): Split out
4017         !FRAME_GROWS_DOWNWARD handling to...
4018         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4019         * config/powerpcspe/powerpcspe.c (TARGET_STARTING_FRAME_OFFSET):
4020         Redefine.
4021         (rs6000_starting_frame_offset): New function.
4022         * config/rs6000/aix.h (STARTING_FRAME_OFFSET): Split out
4023         !FRAME_GROWS_DOWNWARD handling to...
4024         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4025         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Split out
4026         !FRAME_GROWS_DOWNWARD handling to...
4027         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4028         * config/rs6000/rs6000.h (STARTING_FRAME_OFFSET): Split out
4029         !FRAME_GROWS_DOWNWARD handling to...
4030         (RS6000_STARTING_FRAME_OFFSET): ...this new macro.
4031         * config/rs6000/rs6000.c (TARGET_STARTING_FRAME_OFFSET): Refine.
4032         (rs6000_starting_frame_offset): New function.
4033         * config/vax/elf.h (STARTING_FRAME_OFFSET): Delete.
4034         * config/vax/vax.h (STARTING_FRAME_OFFSET): Delete.
4035         * config/vax/vax.c (vax_starting_frame_offset): New function.
4036         (vax_expand_prologue): Use it instead of STARTING_FRAME_OFFSET.
4037         (TARGET_STARTING_FRAME_OFFSET): Redefine.
4038         * config/xtensa/xtensa.h (STARTING_FRAME_OFFSET): Delete.
4039         * config/xtensa/xtensa.c (xtensa_starting_frame_offset): New function.
4040         (TARGET_STARTING_FRAME_OFFSET): Redefine.
4041         * system.h (STARTING_FRAME_OFFSET): Poison.
4043 2017-10-23  Richard Sandiford  <richard.sandiford@linaro.org>
4045         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
4046         SCALAR_TYPE_MODE instead of TYPE_MODE.
4048 2017-10-23  Richard Sandiford  <richard.sandiford@linaro.org>
4049             Alan Hayward  <alan.hayward@arm.com>
4050             David Sherwood  <david.sherwood@arm.com>
4052         * dwarf2out.c (loc_list_from_tree_1): Use SCALAR_INT_TYPE_MODE
4054 2017-10-23  Richard Sandiford  <richard.sandiford@linaro.org>
4055             Alan Hayward  <alan.hayward@arm.com>
4056             David Sherwood  <david.sherwood@arm.com>
4058         * expmed.c (expand_shift_1): Use scalar_mode for scalar_mode.
4060 2017-10-23  Richard Biener  <rguenther@suse.de>
4062         PR tree-optimization/82129
4063         * tree-ssa-pre.c (bitmap_set_and): Remove.
4064         (compute_antic_aux): Compute ANTIC_OUT intersection in a way
4065         canonicalizing expressions in the set to those with lowest
4066         ID rather than taking that from the first edge.
4068 2017-10-23  Richard Sandiford  <richard.sandiford@linaro.org>
4070         * combine.c (rtx_equal_for_field_assignment_p): Use
4071         byte_lowpart_offset.
4073 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4074             Alan Hayward  <alan.hayward@arm.com>
4075             David Sherwood  <david.sherwood@arm.com>
4077         * internal-fn.c (expand_direct_optab_fn): Don't assign directly
4078         to a SUBREG_PROMOTED_VAR.
4080 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4081             Alan Hayward  <alan.hayward@arm.com>
4082             David Sherwood  <david.sherwood@arm.com>
4084         * cfgexpand.c (expand_debug_expr): Use GET_MODE_UNIT_PRECISION.
4085         (expand_debug_source_expr): Likewise.
4086         * combine.c (combine_simplify_rtx): Likewise.
4087         * cse.c (fold_rtx): Likewise.
4088         * optabs.c (expand_float): Likewise.
4089         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4090         (simplify_binary_operation_1): Likewise.
4092 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4093             Alan Hayward  <alan.hayward@arm.com>
4094             David Sherwood  <david.sherwood@arm.com>
4096         * combine.c (simplify_comparison): Use HWI_COMPUTABLE_MODE_P.
4097         (record_promoted_value): Likewise.
4098         * expr.c (expand_expr_real_2): Likewise.
4099         * ree.c (update_reg_equal_equiv_notes): Likewise.
4100         (combine_set_extension): Likewise.
4101         * rtlanal.c (low_bitmask_len): Likewise.
4102         * simplify-rtx.c (neg_const_int): Likewise.
4103         (simplify_binary_operation_1): Likewise.
4105 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4106             Alan Hayward  <alan.hayward@arm.com>
4107             David Sherwood  <david.sherwood@arm.com>
4109         * lra-spills.c (assign_mem_slot): Use subreg_size_lowpart_offset.
4110         * regcprop.c (maybe_mode_change): Likewise.
4111         * reload1.c (alter_reg): Likewise.
4113 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4115         * inchash.h (inchash::hash::add_wide_int): New function.
4116         * lto-streamer-out.c (hash_tree): Use it.
4118 2017-10-22  Richard Sandiford  <richard.sandiford@linaro.org>
4120         * inchash.h (inchash::hash::add_wide_int): Rename to...
4121         (inchash::hash::add_hwi): ...this.
4122         * ipa-devirt.c (hash_odr_vtable): Update accordingly.
4123         (polymorphic_call_target_hasher::hash): Likewise.
4124         * ipa-icf.c (sem_function::get_hash, sem_function::init): Likewise.
4125         (sem_item::add_expr, sem_item::add_type, sem_variable::get_hash)
4126         (sem_item_optimizer::update_hash_by_addr_refs): Likewise.
4127         * lto-streamer-out.c (hash_tree): Likewise.
4128         * optc-save-gen.awk: Likewise.
4129         * tree.c (add_expr): Likewise.
4131 2017-10-22  Uros Bizjak  <ubizjak@gmail.com>
4133         PR target/52451
4134         * config/i386/i386.c (ix86_fp_compare_mode): Return CCFPmode
4135         for ordered inequality comparisons even with TARGET_IEEE_FP.
4137 2017-10-22  Uros Bizjak  <ubizjak@gmail.com>
4139         PR target/82628
4140         * config/i386/i386.md (cmp<dwi>_doubleword): New pattern.
4141         * config/i386/i386.c (ix86_expand_branch) <case E_TImode>:
4142         Expand with cmp<dwi>_doubleword.
4144 2017-10-21  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4146         * extend.texi: Add x86 specific to 'nocf_check' attribute.
4147         List CET intrinsics.
4148         * invoke.texi: Add -mcet, -mibt, -mshstk options.  Add x86
4149         specific to -fcf-protection option.
4151 2017-10-21  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4153         * common/config/i386/i386-common.c (OPTION_MASK_ISA_IBT_SET): New.
4154         (OPTION_MASK_ISA_SHSTK_SET): Likewise.
4155         (OPTION_MASK_ISA_IBT_UNSET): Likewise.
4156         (OPTION_MASK_ISA_SHSTK_UNSET): Likewise.
4157         (ix86_handle_option): Add -mibt, -mshstk, -mcet handling.
4158         * config.gcc (extra_headers): Add cetintrin.h for x86 targets.
4159         (extra_objs): Add cet.o for Linux/x86 targets.
4160         (tmake_file): Add i386/t-cet for Linux/x86 targets.
4161         * config/i386/cet.c: New file.
4162         * config/i386/cetintrin.h: Likewise.
4163         * config/i386/t-cet: Likewise.
4164         * config/i386/cpuid.h (bit_SHSTK): New.
4165         (bit_IBT): Likewise.
4166         * config/i386/driver-i386.c (host_detect_local_cpu): Detect and
4167         pass IBT and SHSTK bits.
4168         * config/i386/i386-builtin-types.def
4169         (VOID_FTYPE_UNSIGNED_PVOID): New.
4170         (VOID_FTYPE_UINT64_PVOID): Likewise.
4171         * config/i386/i386-builtin.def: Add CET intrinsics.
4172         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4173         OPTION_MASK_ISA_IBT, OPTION_MASK_ISA_SHSTK handling.
4174         * config/i386/i386-passes.def: Add pass_insert_endbranch pass.
4175         * config/i386/i386-protos.h (make_pass_insert_endbranch): New
4176         prototype.
4177         * config/i386/i386.c (rest_of_insert_endbranch): New.
4178         (pass_data_insert_endbranch): Likewise.
4179         (pass_insert_endbranch): Likewise.
4180         (make_pass_insert_endbranch): Likewise.
4181         (ix86_notrack_prefixed_insn_p): Likewise.
4182         (ix86_target_string): Add -mibt, -mshstk flags.
4183         (ix86_option_override_internal): Add flag_cf_protection
4184         processing.
4185         (ix86_valid_target_attribute_inner_p): Set OPT_mibt, OPT_mshstk.
4186         (ix86_print_operand): Add 'notrack' prefix output.
4187         (ix86_init_mmx_sse_builtins): Add CET intrinsics.
4188         (ix86_expand_builtin): Expand CET intrinsics.
4189         (x86_output_mi_thunk): Add 'endbranch' instruction.
4190         * config/i386/i386.h (TARGET_IBT): New.
4191         (TARGET_IBT_P): Likewise.
4192         (TARGET_SHSTK): Likewise.
4193         (TARGET_SHSTK_P): Likewise.
4194         * config/i386/i386.md (unspecv): Add UNSPECV_NOP_RDSSP,
4195         UNSPECV_INCSSP, UNSPECV_SAVEPREVSSP, UNSPECV_RSTORSSP,
4196         UNSPECV_WRSS, UNSPECV_WRUSS, UNSPECV_SETSSBSY, UNSPECV_CLRSSBSY.
4197         (builtin_setjmp_setup): New pattern.
4198         (builtin_longjmp): Likewise.
4199         (rdssp<mode>): Likewise.
4200         (incssp<mode>): Likewise.
4201         (saveprevssp): Likewise.
4202         (rstorssp): Likewise.
4203         (wrss<mode>): Likewise.
4204         (wruss<mode>): Likewise.
4205         (setssbsy): Likewise.
4206         (clrssbsy): Likewise.
4207         (nop_endbr): Likewise.
4208         * config/i386/i386.opt: Add -mcet, -mibt, -mshstk and -mcet-switch
4209         options.
4210         * config/i386/immintrin.h: Include <cetintrin.h>.
4211         * config/i386/linux-common.h
4212         (file_end_indicate_exec_stack_and_cet): New prototype.
4213         (TARGET_ASM_FILE_END): New.
4215 2017-10-20  Jan Hubicka  <hubicka@ucw.cz>
4217         * i386.c (ix86_builtin_vectorization_cost): Use existing rtx_cost
4218         latencies instead of having separate table; make difference between
4219         integer and float costs.
4220         * i386.h (processor_costs): Remove scalar_stmt_cost,
4221         scalar_load_cost, scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
4222         scalar_to_vec_cost, vec_align_load_cost, vec_unalign_load_cost,
4223         vec_store_cost.
4224         * x86-tune-costs.h: Remove entries which has been removed in
4225         procesor_costs from all tables; make cond_taken_branch_cost
4226         and cond_not_taken_branch_cost COST_N_INSNS based.
4228 2017-10-20  Jan Hubicka  <hubicka@ucw.cz>
4230         * x86-tune-costs.h (intel_cost, generic_cost): Fix move costs.
4232 2017-10-20  Jakub Jelinek  <jakub@redhat.com>
4234         * config/i386/i386.md (isa): Remove fma_avx512f.
4235         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4236         <avx512>_fmadd_<mode>_mask3<round_name>,
4237         <avx512>_fmsub_<mode>_mask<round_name>,
4238         <avx512>_fmsub_<mode>_mask3<round_name>,
4239         <avx512>_fnmadd_<mode>_mask<round_name>,
4240         <avx512>_fnmadd_<mode>_mask3<round_name>,
4241         <avx512>_fnmsub_<mode>_mask<round_name>,
4242         <avx512>_fnmsub_<mode>_mask3<round_name>,
4243         <avx512>_fmaddsub_<mode>_mask<round_name>,
4244         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4245         <avx512>_fmsubadd_<mode>_mask<round_name>,
4246         <avx512>_fmsubadd_<mode>_mask3<round_name>): Remove isa attribute.
4247         (*vec_widen_umult_even_v16si<mask_name>,
4248         *vec_widen_smult_even_v16si<mask_name>): Likewise.
4249         (<mask_codefor>avx512bw_dbpsadbw<mode><mask_name>): Likewise.
4251 2017-10-20  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4253         * extend.texi: Add 'nocf_check' documentation.
4254         * gimple.texi: Add second parameter to
4255         gimple_build_call_from_tree.
4256         * invoke.texi: Add -fcf-protection documentation.
4257         * rtl.texi: Add REG_CALL_NOTRACK documenation.
4259 2017-10-20  Richard Biener  <rguenther@suse.de>
4261         PR tree-optimization/82473
4262         * tree-vect-loop.c (vectorizable_reduction): Properly get at
4263         the largest input type.
4265 2017-10-20  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4267         * c-attribs.c (handle_nocf_check_attribute): New function.
4268         (c_common_attribute_table): Add 'nocf_check' handling.
4269         * gimple-parser.c: Add second argument NULL to
4270         gimple_build_call_from_tree.
4271         * attrib.c (comp_type_attributes): Check nocf_check attribute.
4272         * cfgexpand.c (expand_call_stmt): Set REG_CALL_NOCF_CHECK for
4273         call insn.
4274         * combine.c (distribute_notes): Add REG_CALL_NOCF_CHECK handling.
4275         * common.opt: Add fcf-protection flag.
4276         * emit-rtl.c (try_split): Add REG_CALL_NOCF_CHECK handling.
4277         * flag-types.h: Add enum cf_protection_level.
4278         * gimple.c (gimple_build_call_from_tree): Add second parameter.
4279         Add 'nocf_check' attribute propagation to gimple call.
4280         * gimple.h (gf_mask): Add GF_CALL_NOCF_CHECK.
4281         (gimple_build_call_from_tree): Update prototype.
4282         (gimple_call_nocf_check_p): New function.
4283         (gimple_call_set_nocf_check): Likewise.
4284         * gimplify.c: Add second argument to gimple_build_call_from_tree.
4285         * ipa-icf.c: Add nocf_check attribute in statement hash.
4286         * recog.c (peep2_attempt): Add REG_CALL_NOCF_CHECK handling.
4287         * reg-notes.def: Add REG_NOTE (CALL_NOCF_CHECK).
4288         * toplev.c (process_options): Add flag_cf_protection handling.
4290 2017-10-19  Jan Hubicka  <hubicka@ucw.cz>
4292         * x86-tune-costs.h (core_cost): Fix div, move and sqrt latencies.
4294 2017-10-20  Richard Biener  <rguenther@suse.de>
4296         PR tree-optimization/82603
4297         * tree-if-conv.c (predicate_mem_writes): Make sure to only
4298         remove false predicated stores.
4300 2017-10-20  Richard Biener  <rguenther@suse.de>
4302         * graphite-isl-ast-to-gimple.c
4303         (translate_isl_ast_to_gimple::graphite_copy_stmts_from_block):
4304         Remove return value and simplify, dump copied stmt after lhs
4305         adjustment.
4306         (translate_isl_ast_to_gimple::translate_isl_ast_node_user):
4307         Reduce dump verbosity.
4308         (gsi_insert_earliest): Likewise.
4309         (translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences): Adjust.
4310         * graphite.c (print_global_statistics): Adjust dumping.
4311         (print_graphite_scop_statistics): Likewise.
4312         (print_graphite_statistics): Do not dump loops here.
4313         (graphite_transform_loops): But here.
4315 2017-10-20  Nicolas Roche  <roche@adacore.com>
4317         * configure.ac (ACX_PROG_GNAT): Append "libgnat" to include search dir.
4318         * configure: Regenerate.
4320 2017-10-20  Jakub Jelinek  <jakub@redhat.com>
4322         PR target/82158
4323         * tree-cfg.c (pass_warn_function_return::execute): In noreturn
4324         functions when optimizing replace GIMPLE_RETURN stmts with
4325         calls to __builtin_unreachable ().
4327         PR sanitizer/82595
4328         * config/gnu-user.h (LIBTSAN_EARLY_SPEC): Add libtsan_preinit.o
4329         for -fsanitize=thread link of executables.
4330         (LIBLSAN_EARLY_SPEC): Add liblsan_preinit.o for -fsanitize=leak
4331         link of executables.
4333         PR target/82370
4334         * config/i386/sse.md (VI248_AVX2, VI248_AVX512BW, VI248_AVX512BW_2):
4335         New mode iterators.
4336         (<shift_insn><mode>3<mask_name>): Change the last of the 3
4337         define_insns for logical vector shifts to use VI248_AVX512BW
4338         iterator instead of VI48_AVX512, remove <mask_mode512bit_condition>
4339         condition, useless isa and prefix attributes.  Change the first
4340         2 of these define_insns to ...
4341         (<mask_codefor><shift_insn><mode>3<mask_name>): ... this, new
4342         define_insn for avx512vl.
4343         (<shift_insn><mode>3): ... and this, new define_insn without
4344         masking for non-avx512vl.
4346         PR target/82370
4347         * config/i386/sse.md (*andnot<mode>3,
4348         <mask_codefor><code><mode>3<mask_name>, *<code><mode>3): Split
4349         (=v,v,vm) alternative into (=x,x,xm) and (=v,v,vm), for 128-bit
4350         and 256-bit vectors, the (=x,x,xm) alternative and when mask is
4351         not applied use empty suffix even for TARGET_AVX512VL.
4352         * config/i386/subst.md (mask_prefix3, mask_prefix4): When mask
4353         is applied, supply evex,evex or evex,evex,evex instead of just
4354         evex.
4356 2017-10-20  Julia Koval  <julia.koval@intel.com>
4358         * common/config/i386/i386-common.c (OPTION_MASK_ISA_GFNI_SET,
4359         (OPTION_MASK_ISA_GFNI_UNSET): New.
4360         (ix86_handle_option): Handle OPT_mgfni.
4361         * config/i386/cpuid.h (bit_GFNI): New.
4362         * config/i386/driver-i386.c (host_detect_local_cpu): Detect gfni.
4363         * config/i386/i386-c.c (ix86_target_macros_internal): Define __GFNI__.
4364         * config/i386/i386.c (ix86_target_string): Add -mgfni.
4365         (ix86_valid_target_attribute_inner_p): Add OPT_mgfni.
4366         * config/i386/i386.h (TARGET_GFNI, TARGET_GFNI_P): New.
4367         * config/i386/i386.opt: Add mgfni.
4369 2017-10-20  Orlando Arias  <oarias@knights.ucf.edu>
4371         * config/msp430/msp430.c (msp430_option_override): Disable
4372         -fdelete-null-pointer-checks.
4373         * doc/invoke.text (-fdelete-null-pointer-checks): Document that.
4375 2017-10-19  Jan Hubicka  <hubicka@ucw.cz>
4377         * x86-tune-costs.h (generic_cost, core_cost): Correct costs
4378         of x87 and SSE instructions.
4380 2017-10-19  Jan Hubicka  <hubicka@ucw.cz>
4382         * asan.c (create_cond_insert_point): Do not update edge count.
4383         * auto-profile.c (afdo_propagate_edge): Update for edge count removal.
4384         (afdo_propagate_circuit): Likewise.
4385         (afdo_calculate_branch_prob): Likewise.
4386         (afdo_annotate_cfg): Likewise.
4387         * basic-block.h (struct edge_def): Remove count.
4388         (edge_def::count): New accessor.
4389         * bb-reorder.c (rotate_loop): Update.
4390         (find_traces_1_round): Update.
4391         (connect_traces): Update.
4392         (sanitize_hot_paths): Update.
4393         * cfg.c (unchecked_make_edge): Update.
4394         (make_single_succ_edge): Update.
4395         (check_bb_profile): Update.
4396         (dump_edge_info): Update.
4397         (update_bb_profile_for_threading): Update.
4398         (scale_bbs_frequencies_int): Update.
4399         (scale_bbs_frequencies_gcov_type): Update.
4400         (scale_bbs_frequencies_profile_count): Update.
4401         (scale_bbs_frequencies): Update.
4402         * cfganal.c (connect_infinite_loops_to_exit): Update.
4403         * cfgbuild.c (compute_outgoing_frequencies): Update.
4404         (find_many_sub_basic_blocks): Update.
4405         * cfgcleanup.c (try_forward_edges): Update.
4406         (try_crossjump_to_edge): Update
4407         * cfgexpand.c (expand_gimple_cond): Update
4408         (expand_gimple_tailcall): Update
4409         (construct_exit_block): Update
4410         * cfghooks.c (verify_flow_info): Update
4411         (redirect_edge_succ_nodup): Update
4412         (split_edge): Update
4413         (make_forwarder_block): Update
4414         (duplicate_block): Update
4415         (account_profile_record): Update
4416         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
4417         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
4418         * cfgloopmanip.c (scale_loop_profile): Update.
4419         (loopify): Update.
4420         (lv_adjust_loop_entry_edge): Update.
4421         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
4422         (force_nonfallthru_and_redirect): Update.
4423         (purge_dead_edges): Update.
4424         (rtl_flow_call_edges_add): Update.
4425         * cgraphunit.c (init_lowered_empty_function): Update.
4426         (cgraph_node::expand_thunk): Update.
4427         * gimple-pretty-print.c (dump_probability): Update.
4428         (dump_edge_probability): Update.
4429         * gimple-ssa-isolate-paths.c (isolate_path): Update.
4430         * haifa-sched.c (sched_create_recovery_edges): Update.
4431         * hsa-gen.c (convert_switch_statements): Update.
4432         * ifcvt.c (dead_or_predicable): Update.
4433         * ipa-inline-transform.c (inline_transform): Update.
4434         * ipa-split.c (split_function): Update.
4435         * ipa-utils.c (ipa_merge_profiles): Update.
4436         * loop-doloop.c (add_test): Update.
4437         * loop-unroll.c (unroll_loop_runtime_iterations): Update.
4438         * lto-streamer-in.c (input_cfg): Update.
4439         (input_function): Update.
4440         * lto-streamer-out.c (output_cfg): Update.
4441         * modulo-sched.c (sms_schedule): Update.
4442         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
4443         * predict.c (maybe_hot_edge_p): Update.
4444         (unlikely_executed_edge_p): Update.
4445         (probably_never_executed_edge_p): Update.
4446         (dump_prediction): Update.
4447         (drop_profile): Update.
4448         (propagate_unlikely_bbs_forward): Update.
4449         (determine_unlikely_bbs): Update.
4450         (force_edge_cold): Update.
4451         * profile.c (compute_branch_probabilities): Update.
4452         * reg-stack.c (better_edge): Update.
4453         * shrink-wrap.c (handle_simple_exit): Update.
4454         * tracer.c (better_p): Update.
4455         * trans-mem.c (expand_transaction): Update.
4456         (split_bb_make_tm_edge): Update.
4457         * tree-call-cdce.c: Update.
4458         * tree-cfg.c (gimple_find_sub_bbs): Update.
4459         (gimple_split_edge): Update.
4460         (gimple_duplicate_sese_region): Update.
4461         (gimple_duplicate_sese_tail): Update.
4462         (gimple_flow_call_edges_add): Update.
4463         (insert_cond_bb): Update.
4464         (execute_fixup_cfg): Update.
4465         * tree-cfgcleanup.c (cleanup_control_expr_graph): Update.
4466         * tree-complex.c (expand_complex_div_wide): Update.
4467         * tree-eh.c (lower_resx): Update.
4468         (unsplit_eh): Update.
4469         (cleanup_empty_eh_move_lp): Update.
4470         * tree-inline.c (copy_edges_for_bb): Update.
4471         (freqs_to_counts): Update.
4472         (copy_cfg_body): Update.
4473         * tree-ssa-dce.c (remove_dead_stmt): Update.
4474         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
4475         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
4476         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
4477         (unloop_loops): Update.
4478         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
4479         * tree-ssa-loop-split.c (connect_loops): Update.
4480         (split_loop): Update.
4481         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
4482         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
4483         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
4484         * tree-ssa-reassoc.c (branch_fixup): Update.
4485         * tree-ssa-tail-merge.c (replace_block_by): Update.
4486         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
4487         (compute_path_counts): Update.
4488         (update_profile): Update.
4489         (recompute_probabilities): Update.
4490         (update_joiner_offpath_counts): Update.
4491         (estimated_freqs_path): Update.
4492         (freqs_to_counts_path): Update.
4493         (clear_counts_path): Update.
4494         (ssa_fix_duplicate_block_edges): Update.
4495         (duplicate_thread_path): Update.
4496         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
4497         (case_bit_test_cmp): Update.
4498         (collect_switch_conv_info): Update.
4499         (gen_inbound_check): Update.
4500         (do_jump_if_equal): Update.
4501         (emit_cmp_and_jump_insns): Update.
4502         * tree-tailcall.c (decrease_profile): Update.
4503         (eliminate_tail_call): Update.
4504         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
4505         (vect_do_peeling): Update.
4506         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
4507         * ubsan.c (ubsan_expand_null_ifn): Update.
4508         (ubsan_expand_ptr_ifn): Update.
4509         * value-prof.c (gimple_divmod_fixed_value): Update.
4510         (gimple_mod_pow2): Update.
4511         (gimple_mod_subtract): Update.
4512         (gimple_ic): Update.
4513         (gimple_stringop_fixed_value): Update.
4515 2017-10-19  Uros Bizjak  <ubizjak@gmail.com>
4517         PR target/82618
4518         * config/i386/i386.md (sub to cmp): New peephole2 pattern.
4520 2017-10-19  Alexander Monakov  <amonakov@ispras.ru>
4522         PR rtl-optimization/82395
4523         * ira-color.c (allocno_priority_compare_func): Fix comparison step
4524         based on non_spilled_static_chain_regno_p.
4526 2017-10-19  Uros Bizjak  <ubizjak@gmail.com>
4528         * config/i386/i386.c (output_387_binary_op): Rewrite SSE part.
4529         (ix86_emit_mode_set): Rewrite insn mnemonic construction.
4530         (ix86_prepare_fp_compare_args): Redefine is_sse as bool.
4532 2017-10-19  Martin Sebor  <msebor@redhat.com>
4534         PR tree-optimization/82596
4535         * tree.c (array_at_struct_end_p): Handle STRING_CST.
4537 2017-10-19  Eric Botcazou  <ebotcazou@adacore.com>
4539         * asan.c (handle_builtin_alloca): Deal with all alloca variants.
4540         (get_mem_refs_of_builtin_call): Likewise.
4541         * builtins.c (expand_builtin_apply): Adjust call to
4542         allocate_dynamic_stack_space.
4543         (expand_builtin_alloca): For __builtin_alloca_with_align_and_max, pass
4544         the third argument to allocate_dynamic_stack_space, otherwise -1.
4545         (expand_builtin): Deal with all alloca variants.
4546         (is_inexpensive_builtin): Likewise.
4547         * builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX): New.
4548         * calls.c (special_function_p): Deal with all alloca variants.
4549         (initialize_argument_information): Adjust call to
4550         allocate_dynamic_stack_space.
4551         (expand_call): Likewise.
4552         * cfgexpand.c (expand_call_stmt): Deal with all alloca variants.
4553         * doc/extend.texi (Built-ins): Add __builtin_alloca_with_align_and_max
4554         * explow.c (allocate_dynamic_stack_space): Add MAX_SIZE parameter and
4555         use it for the stack usage computation.
4556         * explow.h (allocate_dynamic_stack_space): Adjust prototype.
4557         * function.c (gimplify_parameters): Call build_alloca_call_expr.
4558         * gimple-ssa-warn-alloca.c (alloca_call_type): Simplify control flow.
4559         Take into account 3rd argument of __builtin_alloca_with_align_and_max.
4560         (in_loop_p): Remove first argument and useless check.
4561         (pass_walloca::execute): Remove useless test and adjust call to above.
4562         * gimple.c (gimple_build_call_from_tree): Deal with all alloc variants
4563         * gimplify.c (gimplify_vla_decl): Call build_alloca_call_expr.
4564         (gimplify_call_expr): Deal with all alloca variants.
4565         * hsa-gen.c (gen_hsa_alloca): Likewise.
4566         (gen_hsa_insns_for_call): Likewise.
4567         * ipa-pure-const.c (special_builtin_state): Likewise.
4568         * tree-chkp.c (chkp_build_returned_bound): Likewise.
4569         * tree-object-size.c (alloc_object_size): Likewise.
4570         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.
4571         (call_may_clobber_ref_p_1): Likewise.
4572         * tree-ssa-ccp.c (evaluate_stmt): Likewise.
4573         (ccp_fold_stmt): Likewise.
4574         (optimize_stack_restore): Likewise.
4575         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4576         (mark_all_reaching_defs_necessary_1): Likewise.
4577         (propagate_necessity): Likewise.
4578         (eliminate_unnecessary_stmts): Likewise.
4579         * tree.c (build_common_builtin_nodes): Build
4580         BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX.
4581         (build_alloca_call_expr): New function.
4582         * tree.h (ALLOCA_FUNCTION_CODE_P): New macro.
4583         (CASE_BUILT_IN_ALLOCA): Likewise.
4584         (build_alloca_call_expr): Declare.
4585         * varasm.c (incorporeal_function_p): Deal with all alloca variants.
4587 2017-10-19  Eric Botcazou  <ebotcazou@adacore.com>
4589         PR debug/82509
4590         * dwarf2out.c (new_die_raw): New static inline function.
4591         (new_die): Use it to create the DIE.
4592         (add_AT_external_die_ref): Likewise.
4593         (clone_die): Likewise.
4594         (clone_as_declaration): Likewise.
4595         (dwarf2out_vms_debug_main_pointer): Likewise.
4596         (base_type_die): Likewise.  Remove early return for corner cases.
4597         Do not call add_pubtype on the DIE here.
4598         (is_base_type): Remove ERROR_MARK and return 0 for VOID_TYPE.
4599         (modified_type_die): Adjust the lookup for reverse order DIEs.  Skip
4600         typedefs for base types with DW_AT_endianity.  Make sure a DIE with
4601         native order exists for base types, attach the DIE manually and call
4602         add_pubtype on it.  Do not equate a reverse order DIE to the type.
4604 2017-10-19  Richard Earnshaw  <rearnsha@arm.com>
4606         * config/arm/arm.c (align_ok_ldrd_strd): New function.
4607         (mem_ok_for_ldrd_strd): New parameter align.  Extract the alignment of
4608         the mem into it.
4609         (gen_operands_ldrd_strd): Validate the alignment of the accesses.
4611 2017-10-19  Jakub Jelinek  <jakub@redhat.com>
4613         * flag-types.h (enum sanitize_code): Add SANITIZE_BUILTIN.  Or
4614         SANITIZE_BUILTIN into SANITIZE_UNDEFINED.
4615         * sanitizer.def (BUILT_IN_UBSAN_HANDLE_INVALID_BUILTIN,
4616         BUILT_IN_UBSAN_HANDLE_INVALID_BUILTIN_ABORT): New builtins.
4617         * opts.c (sanitizer_opts): Add builtin.
4618         * ubsan.c (instrument_builtin): New function.
4619         (pass_ubsan::execute): Call it.
4620         (pass_ubsan::gate): Enable even for SANITIZE_BUILTIN.
4621         * doc/invoke.texi: Document -fsanitize=builtin.
4623         * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch
4624         builtins, store max (log2 (align), 0) into uchar field instead of
4625         align into uptr field.
4626         (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins,
4627         store uchar 0 field instead of uptr 0 field.
4628         (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin,
4629         instead of passing one address of struct with 2 locations pass
4630         two addresses of structs with 1 location each.
4631         * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH,
4632         BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT,
4633         BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN,
4634         BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed.
4635         (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1,
4636         BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT,
4637         BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1,
4638         BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins.
4640 2017-10-19  Martin Liska  <mliska@suse.cz>
4642         PR driver/81829
4643         * file-find.c (remove_prefix): Remove.
4644         * file-find.h (remove_prefix): Likewise.
4645         * gcc-ar.c: Remove smartness of lookup.
4647 2017-10-19  Segher Boessenkool  <segher@kernel.crashing.org>
4649         * config/rs6000/rs6000.md (*call_indirect_aix<mode>,
4650         *call_value_indirect_aix<mode>, *call_indirect_elfv2<mode>,
4651         *call_value_indirect_elfv2<mode>): Add correct mode to the unspec.
4653 2017-10-19  Jakub Jelinek  <jakub@redhat.com>
4655         PR target/82580
4656         * config/i386/i386.md (setcc + movzbl to xor + setcc): New peephole2.
4657         (setcc + and to xor + setcc): New peephole2.
4659 2017-10-19  Tom de Vries  <tom@codesourcery.com>
4661         * doc/sourcebuild.texi (Test Directives, Variants of
4662         dg-require-support): Add dg-require-stack-size.
4664 2017-10-19  Martin Liska  <mliska@suse.cz>
4666         PR sanitizer/82517
4667         * gimplify.c (gimplify_decl_expr): Do not instrument variables
4668         that have a large alignment.
4669         (gimplify_target_expr): Likewise.
4671 2017-10-18  Segher Boessenkool  <segher@kernel.crashing.org>
4673         PR rtl-optimization/82602
4674         * ira.c (rtx_moveable_p): Return false for volatile asm.
4676 2017-10-18  Uros Bizjak  <ubizjak@gmail.com>
4678         PR target/82580
4679         * config/i386/i386-modes.def (CCGZ): New CC mode.
4680         * config/i386/i386.md (sub<mode>3_carry_ccgz): New insn pattern.
4681         * config/i386/predicates.md (ix86_comparison_operator):
4682         Handle CCGZmode.
4683         * config/i386/i386.c (ix86_expand_branch) <case E_TImode>:
4684         Emulate LE, LEU, GT, GTU, LT, LTU, GE and GEU double-word comparisons
4685         with double-word subtraction.
4686         (put_condition_code): Handle CCGZmode.
4688 2017-10-18  Aldy Hernandez  <aldyh@redhat.com>
4690         * wide-int.cc (debug (const wide_int &)): New.
4691         (debug (const wide_int *)): New.
4692         (debug (const widest_int &)): New.
4693         (debug (const widest_int *)): New.
4695 2017-10-18  Vladimir Makarov  <vmakarov@redhat.com>
4697         PR middle-end/82556
4698         * lra-constraints.c (curr_insn_transform): Use non-input operand
4699         instead of output one for matched reload.
4701 2017-10-18  Bin Cheng  <bin.cheng@arm.com>
4703         * tree-loop-distribution.c (INCLUDE_ALGORITHM): New header file.
4704         (tree-ssa-loop-ivopts.h): New header file.
4705         (struct builtin_info): New fields.
4706         (classify_builtin_1): Compute and record base and offset parts for
4707         memset builtin partition by calling strip_offset.
4708         (offset_cmp, fuse_memset_builtins): New functions.
4709         (finalize_partitions): Fuse adjacent memset partitions by calling
4710         above function.
4711         * tree-ssa-loop-ivopts.c (strip_offset): Delete static declaration.
4712         Expose the interface.
4713         * tree-ssa-loop-ivopts.h (strip_offset): New declaration.
4715 2017-10-18  Bin Cheng  <bin.cheng@arm.com>
4717         PR tree-optimization/82574
4718         * tree-loop-distribution.c (find_single_drs): New parameter.  Check
4719         that data reference must be executed exactly once per iteration
4720         against the outermost loop in nest.
4721         (classify_partition): Update call to above function.
4723 2017-10-18  Richard Biener  <rguenther@suse.de>
4725         PR tree-optimization/82591
4726         * graphite.c (graphite_transform_loops): Move code gen message
4727         printing ...
4728         * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
4729         Here.  Handle scop_to_isl_ast failing.
4730         (scop_to_isl_ast): Limit the number of ISL operations.
4732 2017-10-18  Richard Biener  <rguenther@suse.de>
4734         * graphite-isl-ast-to-gimple.c
4735         (translate_isl_ast_to_gimple::set_rename): Simplify.
4736         (translate_isl_ast_to_gimple::set_rename_for_each_def): Inline...
4737         (graphite_copy_stmts_from_block): ... here.
4738         (copy_bb_and_scalar_dependences): Simplify.
4739         (add_parameters_to_ivs_params): Canonicalize.
4740         (generate_entry_out_of_ssa_copies): Simplify.
4741         * graphite-sese-to-poly.c (extract_affine_name): Simplify
4742         by passing in ISL dimension.
4743         (parameter_index_in_region_1): Rename to ...
4744         (parameter_index_in_region): ... this.
4745         (extract_affine): Adjust assert, pass down parameter index.
4746         (add_param_constraints): Use range-info when available.
4747         (build_scop_context): Adjust.
4748         * sese.c (new_sese_info): Adjust.
4749         (free_sese_info): Likewise.
4750         * sese.h (bb_map_t, rename_map_t, phi_rename, init_back_edge_pair_t):
4751         Remove unused typedefs.
4752         (struct sese_info_t): Simplify rename_map, remove incomplete_phis.
4754 2017-10-18  Martin Liska  <mliska@suse.cz>
4756         * combine.c (simplify_compare_const): Add gcc_fallthrough.
4758 2017-10-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4760         * config/s390/s390.c (s390_bb_fallthru_entry_likely): New function.
4761         (s390_sched_init): Do not reset s390_sched_state if we entered the
4762         current basic block via a fallthru edge and all others are unlikely.
4764 2017-10-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4766         * config/s390/s390.c (NUM_SIDES): New variable.
4767         (LONGRUNNING_THRESHOLD): New variable.
4768         (LATENCY_FACTOR): New variable.
4769         (s390_sched_score): Decrease score for long-running instructions on
4770         wrong side.
4771         (s390_sched_variable_issue): Perform bookkeeping for long-running
4772         instructions.
4774 2017-10-18  Richard Biener  <rguenther@suse.de>
4776         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
4777         Simplify with removal of the parameter rename map.
4778         (set_rename): Likewise.
4779         (should_copy_to_new_region): Likewise.
4780         (graphite_copy_stmts_from_block): Likewise.
4781         (copy_bb_and_scalar_dependences): Remove initialization of
4782         unused copied_bb_map.
4783         (copy_def): Remove.
4784         (copy_internal_parameters): Likewise.
4785         (graphite_regenerate_ast_isl): Do not call copy_internal_parameters.
4786         * graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p):
4787         Use INTEGRAL_TYPE_P.
4788         (parameter_index_in_region_1): Rename to ...
4789         (assign_parameter_index_in_region): ... this.  Assert we have
4790         a parameter we handle.
4791         (scan_tree_for_params): Adjust.
4792         * sese.h (parameter_rename_map_t): Remove.
4793         (struct sese_info_t): Remove unused parameter_rename_map and
4794         copied_bb_map members.
4795         * sese.c (new_sese_info): Adjust.
4796         (free_sese_info): Likewise.
4798 2017-10-18  Martin Liska  <mliska@suse.cz>
4800         PR sanitizer/82545
4801         * asan.c (asan_expand_poison_ifn): Do not put gimple stmt
4802         on an abnormal edge.
4804 2017-10-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4806         * doc/invoke.texi (ffunction-sections and fdata-sections):
4807         Update.
4809 2017-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4811         * tree-ssa-loop-ivopts.c (add_autoinc_candidates): Bail out only if
4812         the use statement can throw internally.
4814 2017-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4816         * config/visium/visium.c (visium_select_cc_mode): Return CCmode for
4817         any RTX present on the RHS of a SET.
4818         * compare-elim.c (try_eliminate_compare): Restore comment.
4820 2017-10-17  Jakub Jelinek  <jakub@redhat.com>
4822         * langhooks.h (struct lang_hooks): Document that tree_size langhook
4823         may be also called on tcc_type nodes.
4824         * langhooks.c (lhd_tree_size): Likewise.
4826 2017-10-17  David Malcolm  <dmalcolm@redhat.com>
4828         * gimple-ssa-sprintf.c (fmtwarn): Update for changed signature of
4829         format_warning_at_substring.
4830         (maybe_warn): Convert source_range * param to a location_t.  Pass
4831         UNKNOWN_LOCATION rather than NULL to fmtwarn.
4832         (format_directive): Remove code to extract source_ranges and
4833         source_range * in favor of just a location_t.
4834         (parse_directive): Pass UNKNOWN_LOCATION rather than NULL to
4835         fmtwarn.
4836         * substring-locations.c (format_warning_va): Convert
4837         source_range * param to a location_t.
4838         (format_warning_at_substring): Likewise.
4839         * substring-locations.h (format_warning_va): Likewise.
4840         (format_warning_at_substring): Likewise.
4842 2017-10-17  Jan Hubicka  <hubicka@ucw.cz>
4844         * target.h (enum vect_cost_for_stmt): Add vec_gather_load and
4845         vec_scatter_store
4846         * tree-vect-stmts.c (record_stmt_cost): Make difference between normal
4847         and scatter/gather ops.
4849         * aarch64/aarch64.c (aarch64_builtin_vectorization_cost): Add
4850         vec_gather_load and vec_scatter_store.
4851         * arm/arm.c (arm_builtin_vectorization_cost): Likewise.
4852         * powerpcspe/powerpcspe.c (rs6000_builtin_vectorization_cost): Likewise.
4853         * rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Likewise.
4854         * s390/s390.c (s390_builtin_vectorization_cost): Likewise.
4855         * spu/spu.c (spu_builtin_vectorization_cost): Likewise.
4856         * i386/i386.c (x86_builtin_vectorization_cost): Likewise.
4858 2017-10-17  Uros Bizjak  <ubizjak@gmail.com>
4860         * reg-stack.c (compare_for_stack_reg): Add bool argument.
4861         Detect FTST instruction and handle its register pops.  Only pop
4862         second operand if can_pop_second_op is true.
4863         (subst_stack_regs_pat) <case COMPARE>: Detect FCOMI instruction to
4864         set can_pop_second_op to false in the compare_for_stack_reg call.
4866         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Only call
4867         output_fp_compare for stack register operands.
4868         * config/i386/i386.c (output_fp_compare): Do not output SSE compare
4869         instructions here.  Do not emit stack register pops here.  Assert
4870         that FCOMPP pops next to top stack register.  Rewrite function.
4872 2017-10-17  Nathan Sidwell  <nathan@acm.org>
4874         PR middle-end/82577
4875         * alias.c (compare_base_decls): Check HAS_DECL_ASSEMBLER_NAME_P,
4876         use DECL_ASSEMBLER_NAME_RAW.
4878         PR middle-end/82546
4879         * tree.c (tree_code_size): Reformat.  Punt to lang hook for unknown
4880         TYPE nodes.
4882 2017-10-17  Qing Zhao <qing.zhao@oracle.com>
4883             Wilco Dijkstra <wilco.dijkstra@arm.com>
4885         * builtins.c (expand_builtin_update_setjmp_buf): Add a
4886         converstion to Pmode from the buf_addr.
4888 2017-10-17  Richard Biener  <rguenther@suse.de>
4890         * graphite-dependences.c (scop_get_reads_and_writes): Change
4891         output parameters to references.
4893 2017-10-17  Jackson Woodruff  <jackson.woodruff@arm.com>
4895         PR 71026/tree-optimization
4896         * fold-const.c (distribute_real_division): Removed.
4897         (fold_binary_loc): Remove calls to distribute_real_divison.
4899 2017-10-17  Richard Biener  <rguenther@suse.de>
4901         * graphite-scop-detection.c
4902         (scop_detection::stmt_has_simple_data_refs_p): Always use
4903         the full nest as region.
4904         (try_generate_gimple_bb): Likewise.
4905         * sese.c (scalar_evolution_in_region): Simplify now that
4906         SCEV can handle instantiation in regions.
4907         * tree-scalar-evolution.c (instantiate_scev_name): Also instantiate
4908         in the non-loop part of a function if requested.
4910 2017-10-17  Richard Biener  <rguenther@suse.de>
4912         PR tree-optimization/82563
4913         * graphite-isl-ast-to-gimple.c (generate_entry_out_of_ssa_copies):
4914         New function.
4915         (graphite_regenerate_ast_isl): Call it.
4916         * graphite-scop-detection.c (build_scops): Remove entry edge split.
4918 2017-10-17  Jakub Jelinek  <jakub@redhat.com>
4920         PR tree-optimization/82549
4921         * fold-const.c (optimize_bit_field_compare, fold_truth_andor_1):
4922         Formatting fixes.  Instead of calling make_bit_field_ref with negative
4923         bitpos return 0.
4925 2017-10-17  Olga Makhotina  <olga.makhotina@intel.com>
4927         * config/i386/avx512dqintrin.h (_mm_mask_reduce_sd,
4928         _mm_maskz_reduce_sd, _mm_mask_reduce_ss,=20
4929         _mm_maskz_reduce_ss): New.
4930         * config/i386/i386-builtin.def (__builtin_ia32_reducesd_mask,
4931         __builtin_ia32_reducess_mask): Ditto..
4932         (__builtin_ia32_reducesd, __builtin_ia32_reducess): Remove.
4933         * config/i386/sse.md (reduces<mode>): Renamed to ...
4934         (reduces<mode><mask_scalar_name>): ... this.
4935         (vreduce<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %2, %3}):
4936         Changed to ...
4937         (vreduce<ssescalarmodesuffix>\t{%3, %2, %1, %0<mask_scalar_operand4>|
4938         %0<mask_scalar_operand4>, %1, %2, %3}): ... this.
4940 2017-10-16  David Malcolm  <dmalcolm@redhat.com>
4942         * Makefile.in (OBJS): Add unique-ptr-tests.o.
4943         * selftest-run-tests.c (selftest::run_tests): Call
4944         selftest::unique_ptr_tests_cc_tests.
4945         * selftest.h (selftest::unique_ptr_tests_cc_tests): New decl.
4946         * unique-ptr-tests.cc: New file.
4948 2017-10-16  Vladimir Makarov  <vmakarov@redhat.com>
4950         PR sanitizer/82353
4951         * lra.c (collect_non_operand_hard_regs): Don't ignore operator
4952         locations.
4953         * lra-lives.c (bb_killed_pseudos, bb_gen_pseudos): Move up.
4954         (make_hard_regno_born, make_hard_regno_dead): Update
4955         bb_killed_pseudos and bb_gen_pseudos for fixed regs.
4957 2017-10-16  Jeff Law  <law@redhat.com>
4959         * tree-ssa-dse.c (live_bytes_read): Fix thinko.
4961 2017-10-16  Jan Hubicka  <hubicka@ucw.cz>
4963         * x86-tune-costs.h (znver1_cost): Fix move cost tables.
4965 2017-10-16  Olivier Hainque  <hainque@adacore.com>
4967         * gcc/config.gcc (powerpc*-*-*spe*): Pick 8548 as the default
4968         with_cpu if we were configured for an e500v2 target cpu name.
4970 2017-10-16  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4972         * config/arm/arm-cpus.in (cortex-m33): Add nodsp option.
4973         * doc/invoke.texi: Document +nodsp as a valid extension for
4974         -mcpu=cortex-m33.
4976 2017-10-16  Martin Liska  <mliska@suse.cz>
4978         * sbitmap.c (bitmap_bit_in_range_p_checking): New function.
4979         (test_set_range): Likewise.
4980         (test_range_functions): Rename to ...
4981         (test_bit_in_range): ... this.
4982         (sbitmap_c_tests): Add new test.
4984 2017-10-16  Tamar Christina  <tamar.christina@arm.com>
4986         * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4987         New.
4988         (vdot_lane_u32, vdot_laneq_u32, vdotq_lane_u32, vdotq_laneq_u32): New.
4989         (vdot_lane_s32, vdot_laneq_s32, vdotq_lane_s32, vdotq_laneq_s32): New.
4991 2017-10-16  Tamar Christina  <tamar.christina@arm.com>
4993         * config/aarch64/aarch64-builtins.c
4994         (aarch64_types_quadopu_lane_qualifiers): New.
4995         (TYPES_QUADOPU_LANE): New.
4996         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): New.
4997         (<sur>dot_prod<vsi2qi>, aarch64_<sur>dot_lane<vsi2qi>): New.
4998         (aarch64_<sur>dot_laneq<vsi2qi>): New.
4999         * config/aarch64/aarch64-simd-builtins.def (sdot, udot): New.
5000         (sdot_lane, udot_lane, sdot_laneq, udot_laneq): New.
5001         * config/aarch64/iterators.md (sur): Add UNSPEC_SDOT, UNSPEC_UDOT.
5002         (Vdottype, DOTPROD): New.
5003         (sur): Add SDOT and UDOT.
5005 2017-10-16  Tamar Christina  <tamar.christina@arm.com>
5007         * config/aarch64/aarch64.h (AARCH64_FL_DOTPROD): New.
5008         (AARCH64_ISA_DOTPROD, TARGET_DOTPROD): New.
5009         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
5010         Add TARGET_DOTPROD.
5011         * config/aarch64/aarch64-option-extensions.def (dotprod): New.
5012         * config/aarch64/aarch64-cores.def (cortex-a55, cortex-a75):
5013         Enable TARGET_DOTPROD.
5014         (cortex-a75.cortex-a55): Likewise.
5015         * doc/invoke.texi (aarch64-feature-modifiers): Document dotprod.
5017 2017-10-16  Tamar Christina  <tamar.christina@arm.com>
5019         * config/arm/arm-builtins.c (arm_unsigned_uternop_qualifiers): New.
5020         (UTERNOP_QUALIFIERS, arm_umac_lane_qualifiers, UMAC_LANE_QUALIFIERS):
5021         New.
5022         * config/arm/arm_neon_builtins.def (sdot, udot, sdot_lane, udot_lane):
5023         New.
5024         * config/arm/iterators.md (DOTPROD, VSI2QI, vsi2qi): New.
5025         (UNSPEC_DOT_S, UNSPEC_DOT_U, opsuffix): New.
5026         * config/arm/neon.md (neon_<sup>dot<vsi2qi>): New.
5027         (neon_<sup>dot_lane<vsi2qi>, <sup>dot_prod<vsi2qi>): New.
5028         * config/arm/types.md (neon_dot, neon_dot_q): New.
5029         * config/arm/unspecs.md (sup): Add UNSPEC_DOT_S, UNSPEC_DOT_U.
5031 2017-10-16  Tamar Christina  <tamar.christina@arm.com>
5033         * config/arm/arm.h (TARGET_DOTPROD): New.
5034         * config/arm/arm.c (arm_arch_dotprod): New.
5035         (arm_option_reconfigure_globals): Add arm_arch_dotprod.
5036         * config/arm/arm-c.c (__ARM_FEATURE_DOTPROD): New.
5037         * config/arm/arm-cpus.in (armv8.2-a): Enabled +dotprod.
5038         (feature dotprod, group dotprod, ALL_SIMD_INTERNAL): New.
5039         (ALL_FPU_INTERNAL): Use ALL_SIMD_INTERNAL.
5040         * config/arm/t-multilib (v8_2_a_simd_variants): Add dotprod.
5041         * doc/invoke.texi (armv8.2-a): Document dotprod
5043 2017-10-14  Jan Hubicka  <hubicka@ucw.cz>
5045         * i386.c (ix86_vec_cost): New function.
5046         (ix86_rtx_costs): Handle vector operations better.
5047         * i386.h (struct processor_costs): Add sse_op, fmasd, fmass.
5048         * x86-tune-costs.h: Add new costs to all tables.
5050 2017-10-14  Jan Hubicka  <hubicka@ucw.cz>
5052         * i386.c (ix86_rtx_costs): Make difference between x87 and SSE
5053         operations.
5054         * i386.h (struct processor_costs): Add addss, mulss, mulsd, divss,
5055         divsd, sqrtss and sqrtsd
5056         * x86-tune-costs.h: Add new entries to all costs.
5057         (znver1_cost): Fix to match real instruction latencies.
5059 2017-10-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5060             Michael Collison <michael.collison@arm.com>
5062         * compare-elim.c: Include emit-rtl.h.
5063         (can_merge_compare_into_arith): New function.
5064         (try_validate_parallel): Likewise.
5065         (try_merge_compare): Likewise.
5066         (try_eliminate_compare): Call the above when no previous clobber
5067         is available.
5068         (execute_compare_elim_after_reload): Add DF_UD_CHAIN and DF_DU_CHAIN
5069         dataflow problems.
5071 2017-10-14  Jakub Jelinek  <jakub@redhat.com>
5073         PR middle-end/62263
5074         PR middle-end/82498
5075         * tree-ssa-phiopt.c (value_replacement): Comment fix.  Handle
5076         up to 2 preparation statements for ASSIGN in MIDDLE_BB.
5078         PR middle-end/62263
5079         PR middle-end/82498
5080         * tree-ssa-forwprop.c (simplify_rotate): Allow def_arg1[N]
5081         to be any operand_equal_p operands.  For & (B - 1) require
5082         B to be power of 2.  Recognize
5083         (X << (Y & (B - 1))) | (X >> ((-Y) & (B - 1))) and similar patterns.
5085 2017-10-14  Uros Bizjak  <ubizjak@gmail.com>
5087         PR bootstrap/82553
5088         * optabs.c (expand_memory_blockage): Fix call of
5089         targetm.have_memory_blockage.
5091 2017-10-14  Jakub Jelinek  <jakub@redhat.com>
5093         PR bootstrap/82548
5094         * config.gcc (*-*-solaris2*, i[34567]86-*-cygwin*,
5095         x86_64-*-cygwin*, i[34567]86-*-mingw* | x86_64-*-mingw*): Append
5096         objects to extra_objs instead of overwriting it.
5098 2017-10-14  Uros Bizjak  <ubizjak@gmail.com>
5100         * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
5101         Use any_fp_register_operand as operand[3] predicate.  Simplify
5102         equality test for operands[2] and operands[4] memory location.
5103         (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
5104         (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): New.
5105         (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
5106         (FILD_ATOMIC/FIST_ATOMIC FP store peephole2): Use
5107         any_fp_register_operand as operand[1] predicate.  Simplify
5108         equality test for operands[0] and operands[3] memory location.
5109         (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
5110         (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): New.
5111         (LDX_ATOMIC/LDX_ATOMIC FP storepeephole2 with mem blockage): Ditto.
5113 2017-10-14  Uros Bizjak  <ubizjak@gmail.com>
5115         * target-insns.def: Add memory_blockage.
5116         * optabs.c (expand_memory_blockage): New function.
5117         (expand_asm_memory_barrier): Rename ...
5118         (expand_asm_memory_blockage): ... to this.
5119         (expand_mem_thread_fence): Call expand_memory_blockage
5120         instead of expand_asm_memory_barrier.
5121         (expand_mem_singnal_fence): Ditto.
5122         (expand_atomic_load): Ditto.
5123         (expand_atomic_store): Ditto.
5124         * doc/md.texi (Standard Pattern Names For Generation):
5125         Document memory_blockage instruction pattern.
5127 2017-10-13  Sebastian Perta  <sebastian.perta@renesas.com>
5129         * config/rl78/rl78.c (rl78_emit_libcall): New function.
5130         * config/rl78/rl78-protos.h (rl78_emit_libcall): New function.
5131         * config/rl78/rl78.md: New define_expand "adddi3".
5133 2017-10-13  Jan Hubicka  <hubicka@ucw.cz>
5135         * cfghooks.c (verify_flow_info): Disable check that all probabilities
5136         are set correctly.
5138 2017-10-13  Jeff Law  <law@redhat.com>
5140         * tree-ssa-reassoc.c (reassociate_bb): Clarify code slighly.
5142 2017-10-13  Jakub Jelinek  <jakub@redhat.com>
5144         PR target/82274
5145         * internal-fn.c (expand_mul_overflow): If both operands have
5146         the same highpart of -1 or 0 and the topmost bit of lowpart
5147         is different, overflow is if res <= 0 rather than res < 0.
5149 2017-10-13  Pat Haugen  <pthaugen@us.ibm.com>
5151         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Remove
5152         TARGET_P9_VECTOR code for unaligned_load case.
5154 2017-10-13  Jan Hubicka  <hubicka@ucw.cz>
5156         * cfghooks.c (verify_flow_info): Check that edge probabilities are set.
5158 2017-10-13  Nathan Sidwell  <nathan@acm.org>
5160         * tree-core.h (tree_contains_struct): Make bool.
5161         * tree.c (tree_contains_struct): Likewise.
5162         * tree.h (MARK_TS_BASE): Remove do ... while (0) idiom.
5163         (MARK_TS_TYPED, MARK_TS_COMMON, MARK_TS_TYPE_COMMON,
5164         MARK_TS_TYPE_WITH_LANG_SPECIFIC, MARK_TS_DECL_MINIMAL,
5165         MARK_TS_DECL_COMMON, MARK_TS_DECL_WRTL, MARK_TS_DECL_WITH_VIS,
5166         MARK_TS_DECL_NON_COMMON): Likewise, use comma operator.
5168 2017-10-13  Richard Biener  <rguenther@suse.de>
5170         * graphite-isl-ast-to-gimple.c
5171         (translate_isl_ast_to_gimple::get_rename_from_scev): Remove unused
5172         parameters and dominance check.
5173         (translate_isl_ast_to_gimple::graphite_copy_stmts_from_block): Adjust.
5174         (translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences): Likewise.
5175         (translate_isl_ast_to_gimple::graphite_regenerate_ast_isl):
5176         Do not update SSA form here or do intermediate IL verification.
5177         * graphite.c: Include tree-ssa.h and tree-into-ssa.h.
5178         (graphite_initialize): Remove check on the number of loops in
5179         the function and inline into graphite_transform_loops.
5180         (graphite_finalize): Inline into graphite_transform_loops.
5181         (graphite_transform_loops): Perform SSA update and IL verification
5182         here.
5183         * params.def (PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION): Remove.
5185 2017-10-13  Richard Biener  <rguenther@suse.de>
5187         * graphite-isl-ast-to-gimple.c (max_mode_int_precision,
5188         graphite_expression_type_precision): Avoid global constructor
5189         by moving ...
5190         (translate_isl_ast_to_gimple::translate_isl_ast_to_gimple): Here.
5191         (translate_isl_ast_to_gimple::graphite_expr_type): Add type member.
5192         (translate_isl_ast_to_gimple::translate_isl_ast_node_for): Use it.
5193         (translate_isl_ast_to_gimple::build_iv_mapping): Likewise.
5194         (translate_isl_ast_to_gimple::graphite_create_new_guard): Likewise.
5195         * graphite-sese-to-poly.c (build_original_schedule): Return nothing.
5197 2017-10-13  H.J. Lu  <hongjiu.lu@intel.com>
5199         PR target/82499
5200         * config/i386/i386.h (ix86_red_zone_size): New.
5201         * config/i386/i386.md (push peephole2s): Replace
5202         "!ix86_using_red_zone ()" with "ix86_red_zone_size == 0".
5204 2017-10-13  Richard Sandiford  <richard.sandiford@linaro.org>
5205             Alan Hayward  <alan.hayward@arm.com>
5206             David Sherwood  <david.sherwood@arm.com>
5208         * combine.c (can_change_dest_mode): Reject changes in
5209         REGMODE_NATURAL_SIZE.
5211 2017-10-13  Richard Sandiford  <richard.sandiford@linaro.org>
5212             Alan Hayward  <alan.hayward@arm.com>
5213             David Sherwood  <david.sherwood@arm.com>
5215         * cfgexpand.c (expand_debug_expr): Use GET_MODE_UNIT_BITSIZE.
5216         (expand_debug_source_expr): Likewise.
5217         * combine.c (combine_simplify_rtx): Likewise.
5218         * cse.c (fold_rtx): Likewise.
5219         * fwprop.c (canonicalize_address): Likewise.
5220         * targhooks.c (default_shift_truncation_mask): Likewise.
5222 2017-10-13  Richard Sandiford  <richard.sandiford@linaro.org>
5223             Alan Hayward  <alan.hayward@arm.com>
5224             David Sherwood  <david.sherwood@arm.com>
5226         * optabs.c (add_equal_note): Use GET_MODE_UNIT_SIZE.
5227         (widened_mode): Likewise.
5228         (expand_unop): Likewise.
5229         * ree.c (transform_ifelse): Likewise.
5230         (merge_def_and_ext): Likewise.
5231         (combine_reaching_defs): Likewise.
5232         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
5234 2017-10-13  Richard Sandiford  <richard.sandiford@linaro.org>
5235             Alan Hayward  <alan.hayward@arm.com>
5236             David Sherwood  <david.sherwood@arm.com>
5238         * caller-save.c (replace_reg_with_saved_mem): Use byte_lowpart_offset.
5239         * combine.c (gen_lowpart_for_combine): Likewise.
5240         * dwarf2out.c (rtl_for_decl_location): Likewise.
5241         * final.c (alter_subreg): Likewise.
5242         * rtlhooks.c (gen_lowpart_general): Likewise.
5243         (gen_lowpart_if_possible): Likewise.
5245 2017-10-13  Richard Sandiford  <richard.sandiford@linaro.org>
5246             Alan Hayward  <alan.hayward@arm.com>
5247             David Sherwood  <david.sherwood@arm.com>
5249         * calls.c (expand_call): Use subreg_lowpart_offset.
5250         * cse.c (cse_insn): Likewise.
5251         * regcprop.c (copy_value): Likewise.
5252         (copyprop_hardreg_forward_1): Likewise.
5254 2017-10-13  Jakub Jelinek  <jakub@redhat.com>
5256         PR target/82524
5257         * config/i386/i386.md (addqi_ext_1, andqi_ext_1,
5258         *andqi_ext_1_cc, *<code>qi_ext_1, *xorqi_ext_1_cc): Change
5259         =Q constraints to +Q and into insn condition add check
5260         that operands[0] and operands[1] are equal.
5261         (*addqi_ext_2, *andqi_ext_2, *<code>qi_ext_2): Change
5262         =Q constraints to +Q and into insn condition add check
5263         that operands[0] is equal to either operands[1] or operands[2].
5265         PR target/82498
5266         * fold-const.c (fold_binary_loc) <bit_rotate>: Code cleanups,
5267         instead of handling MINUS_EXPR twice (once for each argument),
5268         canonicalize operand order and handle just once, use rtype where
5269         possible.  Handle (A << B) | (A >> (-B & (Z - 1))).
5271         PR target/82498
5272         * config/i386/ia32intrin.h (__rold, __rord, __rolq, __rorq): Allow
5273         any values of __C while still being pattern recognizable as a simple
5274         rotate instruction.
5276 2017-10-13  Richard Biener  <rguenther@suse.de>
5278         PR tree-optimization/82451
5279         Revert
5280         2017-10-02  Richard Biener  <rguenther@suse.de>
5282         PR tree-optimization/82355
5283         * graphite-isl-ast-to-gimple.c (build_iv_mapping): Also build
5284         a mapping for the enclosing loop but avoid generating one for
5285         the loop tree root.
5286         (copy_bb_and_scalar_dependences): Remove premature codegen
5287         error on PHIs in blocks duplicated into multiple places.
5288         * graphite-scop-detection.c
5289         (scop_detection::stmt_has_simple_data_refs_p): For a loop not
5290         in the region use it as loop and nest to analyze the DR in.
5291         (try_generate_gimple_bb): Likewise.
5292         * graphite-sese-to-poly.c (extract_affine_chrec): Adjust.
5293         (add_loop_constraints): For blocks in a loop not in the region
5294         create a dimension with a single iteration.
5295         * sese.h (gbb_loop_at_index): Remove assert.
5297         * cfgloop.c (loop_preheader_edge): For the loop tree root
5298         return the single successor of the entry block.
5299         * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
5300         Reset the SCEV hashtable and niters.
5301         * graphite-scop-detection.c
5302         (scop_detection::graphite_can_represent_scev): Add SCOP parameter,
5303         assert that we only have POLYNOMIAL_CHREC that vary in loops
5304         contained in the region.
5305         (scop_detection::graphite_can_represent_expr): Adjust.
5306         (scop_detection::stmt_has_simple_data_refs_p): For loops
5307         not in the region set loop to NULL.  The nest is now the
5308         entry edge to the region.
5309         (try_generate_gimple_bb): Likewise.
5310         * sese.c (scalar_evolution_in_region): Adjust for
5311         instantiate_scev change.
5312         * tree-data-ref.h (graphite_find_data_references_in_stmt):
5313         Make nest parameter the edge into the region.
5314         (create_data_ref): Likewise.
5315         * tree-data-ref.c (dr_analyze_indices): Make nest parameter an
5316         entry edge into a region and adjust instantiate_scev calls.
5317         (create_data_ref): Likewise.
5318         (graphite_find_data_references_in_stmt): Likewise.
5319         (find_data_references_in_stmt): Pass the loop preheader edge
5320         from the nest argument.
5321         * tree-scalar-evolution.h (instantiate_scev): Make instantiate_below
5322         parameter the edge into the region.
5323         (instantiate_parameters): Use the loop preheader edge as entry.
5324         * tree-scalar-evolution.c (analyze_scalar_evolution): Handle
5325         NULL loop.
5326         (get_instantiated_value_entry): Make instantiate_below parameter
5327         the edge into the region.
5328         (instantiate_scev_name): Likewise.  Adjust dominance checks,
5329         when we cannot use loop-based instantiation instantiate by
5330         walking use-def chains.
5331         (instantiate_scev_poly): Adjust.
5332         (instantiate_scev_binary): Likewise.
5333         (instantiate_scev_convert): Likewise.
5334         (instantiate_scev_not): Likewise.
5335         (instantiate_array_ref): Remove.
5336         (instantiate_scev_3): Likewise.
5337         (instantiate_scev_2): Likewise.
5338         (instantiate_scev_1): Likewise.
5339         (instantiate_scev_r): Do not blindly handle N-operand trees.
5340         Do not instantiate array-refs.  Handle all constants and invariants.
5341         (instantiate_scev): Make instantiate_below parameter
5342         the edge into the region.
5343         (resolve_mixers): Use the loop preheader edge for the region
5344         parameter to instantiate_scev_r.
5345         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Adjust.
5347 2017-10-13  Richard Biener  <rguenther@suse.de>
5349         PR tree-optimization/82525
5350         * graphite-isl-ast-to-gimple.c
5351         (translate_isl_ast_to_gimple::widest_int_from_isl_expr_int): Split
5352         out from ...
5353         (translate_isl_ast_to_gimple::gcc_expression_from_isl_expr_int): Here.
5354         Fail code generation when we cannot represent the isl integer.
5355         (binary_op_to_tree): Elide modulo operations that are no-ops
5356         in the type we code generate.  Remove now superfluous code
5357         generation errors.
5359 2017-10-13  Richard Biener  <rguenther@suse.de>
5361         * graphite-scop-detection.c (loop_ivs_can_be_represented): Remove.
5362         (scop_detection::harmful_loop_in_region): Remove premature
5363         IV type restriction.
5364         (scop_detection::graphite_can_represent_scev): We can handle
5365         pointer IVs just fine.
5367 2017-10-13  Alan Modra  <amodra@gmail.com>
5369         * doc/extend.texi (Extended Asm <Clobbers>): Rename to
5370         "Clobbers and Scratch Registers".  Add paragraph on
5371         alternative to clobbers for scratch registers and OpenBLAS
5372         example.
5374 2017-10-13  Alan Modra  <amodra@gmail.com>
5376         * doc/extend.texi (Clobbers): Correct vax example.  Delete old
5377         example of a memory input for a string of known length.  Move
5378         commentary out of table.  Add a number of new examples
5379         covering array memory inputs.
5381 2017-10-12  Martin Liska  <mliska@suse.cz>
5383         PR tree-optimization/82493
5384         * sbitmap.c (bitmap_bit_in_range_p): Fix the implementation.
5385         (test_range_functions): New function.
5386         (sbitmap_c_tests): Likewise.
5387         * selftest-run-tests.c (selftest::run_tests): Run new tests.
5388         * selftest.h (sbitmap_c_tests): New function.
5390         * tree-ssa-dse.c (live_bytes_read): Fix thinko.
5392 2017-10-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5394         * config/rs6000/amo.h: Fix spacing issue.
5396 2017-10-12  Jakub Jelinek  <jakub@redhat.com>
5398         PR target/82498
5399         * config/i386/i386.md (*ashl<mode>3_mask_1,
5400         *<shift_insn><mode>3_mask_1, *<rotate_insn><mode>3_mask_1,
5401         *<btsc><mode>_mask_1, *btr<mode>_mask_1): New define_insn_and_split
5402         patterns.
5404 2017-10-12  Jan Hubicka  <hubicka@ucw.cz>
5406         * profile-count.h (safe_scale_64bit): Fix GCC4.x path.
5407         (profile_probability): Set max_probability
5408         to (uint32_t) 1 << (n_bits - 2) and update accessors to avoid overlfows
5409         in temporaries.
5410         * profile-count.c (profile_probability::differs_from_p): Do not
5411         rely on max_probaiblity == 10000
5413 2017-10-12  Jeff Law  <law@redhat.com>
5415         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject ao_refs with
5416         negative offsets.
5418 2017-10-12  Martin Sebor  <msebor@redhat.com>
5420         PR other/82301
5421         PR c/82435
5422         * cgraphunit.c (maybe_diag_incompatible_alias): New function.
5423         (handle_alias_pairs): Call it.
5424         * common.opt (-Wattribute-alias): New option.
5425         * doc/extend.texi (ifunc attribute): Discuss C++ specifics.
5426         * doc/invoke.texi (-Wattribute-alias): Document.
5428 2017-10-12  Vladimir Makarov  <vmakarov@redhat.com>
5430         Revert
5431         2017-10-11  Vladimir Makarov  <vmakarov@redhat.com>
5432         PR sanitizer/82353
5433         * lra.c (collect_non_operand_hard_regs): Don't ignore operator
5434         locations.
5435         * lra-lives.c (bb_killed_pseudos, bb_gen_pseudos): Move up.
5436         (make_hard_regno_born, make_hard_regno_dead): Update
5437         bb_killed_pseudos and bb_gen_pseudos.
5439 2017-10-12  Jan Hubicka  <hubicka@ucw.cz>
5441         * config/i386/x86-tune-sched.c (ix86_adjust_cost): Fix Zen support.
5443 2017-10-12  Uros Bizjak  <ubizjak@gmail.com>
5445         * config/alpha/alpha.c (alpha_split_conditional_move):
5446         Use std::swap instead of manually swapping.
5447         (alpha_stdarg_optimize_hook): Ditto.
5448         (alpha_canonicalize_comparison): Ditto.
5450 2017-10-12  Bin Cheng  <bin.cheng@arm.com>
5452         * tree-loop-distribution.c (struct builtin_info): New struct.
5453         (struct partition): Refactor fields into struct builtin_info.
5454         (partition_free): Free struct builtin_info.
5455         (build_size_arg_loc, build_addr_arg_loc): Delete.
5456         (generate_memset_builtin, generate_memcpy_builtin): Get memory range
5457         information from struct builtin_info.
5458         (find_single_drs): New function refactored from classify_partition.
5459         Also moved builtin validity checks to this function.
5460         (compute_access_range, alloc_builtin): New functions.
5461         (classify_builtin_st, classify_builtin_ldst): New functions.
5462         (classify_partition): Refactor code into functions find_single_drs,
5463         classify_builtin_st and classify_builtin_ldst.
5464         (distribute_loop): Don't do runtime alias check when distributing
5465         loop nest.
5466         (find_seed_stmts_for_distribution): New function.
5467         (pass_loop_distribution::execute): Refactor code finding seed
5468         stmts into above function.  Support distribution for the innermost
5469         two-level loop nest.  Adjust dump information.
5471 2017-10-12  Bin Cheng  <bin.cheng@arm.com>
5473         * tree-loop-distribution.c: Adjust the general comment.
5474         (NUM_PARTITION_THRESHOLD): New macro.
5475         (ssa_name_has_uses_outside_loop_p): Support loop nest distribution.
5476         (classify_partition): Skip builtin pattern of loop nest's inner loop.
5477         (merge_dep_scc_partitions): New parameter ignore_alias_p and use it
5478         in call to build_partition_graph.
5479         (finalize_partitions): New parameter.  Make loop distribution more
5480         conservative by fusing more partitions.
5481         (distribute_loop): Don't do runtime alias check in case of loop nest
5482         distribution.
5483         (find_seed_stmts_for_distribution): New function.
5484         (prepare_perfect_loop_nest): New function.
5485         (pass_loop_distribution::execute): Refactor code finding seed stmts
5486         and loop nest into above functions.  Support loop nest distribution.
5487         Adjust dump information accordingly.
5489 2017-10-12  Bin Cheng  <bin.cheng@arm.com>
5491         * tree-loop-distribution.c (break_alias_scc_partitions): Add comment
5492         and set PTYPE_SEQUENTIAL for merged partition.
5494 2017-10-12  Richard Biener  <rguenther@suse.de>
5496         PR tree-optimization/69728
5497         Revert
5498         2017-09-19  Richard Biener  <rguenther@suse.de>
5500         PR tree-optimization/69728
5501         * graphite-sese-to-poly.c (schedule_error): New global.
5502         (add_loop_schedule): Handle empty domain by failing the
5503         schedule.
5504         (build_original_schedule): Handle schedule_error.
5506         * graphite-sese-to-poly.c (add_loop_schedule): Handle empty
5507         domain by returning an unchanged schedule.
5509 2017-10-12  Jakub Jelinek  <jakub@redhat.com>
5511         * genrecog.c (validate_pattern): For VEC_SELECT verify that
5512         CONST_INT selectors are 0 to GET_MODE_NUNITS (imode) - 1.
5514 2017-10-12  Aldy Hernandez  <aldyh@redhat.com>
5516         * Makefile.in (TAGS): Merge all the *.def files into one pattern.
5517         Handle params.def.
5519 2017-10-12  Jakub Jelinek  <jakub@redhat.com>
5521         PR c++/82159
5522         * expr.c (store_field): Don't optimize away bitsize == 0 store
5523         from CALL_EXPR with addressable return type.
5525 2017-10-11  Segher Boessenkool  <segher@kernel.crashing.org>
5527         * config/rs6000/rs6000.h (TARGET_ISEL64): Delete.
5528         * config/rs6000/rs6000.md (sel): Delete mode attribute.
5529         (mov<mode>cc, isel_signed_<mode>, isel_unsigned_<mode>,
5530         *isel_reversed_signed_<mode>, *isel_reversed_unsigned_<mode>): Use
5531         TARGET_ISEL instead of TARGET_ISEL<sel>.
5533 2017-10-11  David Edelsohn  <dje.gcc@gmail.com>
5535         * config/rs6000/rs6000.c
5536         (rs6000_xcoff_asm_output_aligned_decl_common): Test for NULL decl.
5538 2017-10-11  Segher Boessenkool  <segher@kernel.crashing.org>
5540         * config/rs6000/predicates.md (zero_constant, all_ones_constant):
5541         Move up in file.
5542         (reg_or_cint_operand): Fix comment.
5543         (reg_or_zero_operand): New predicate.
5544         * config/rs6000/rs6000-protos.h (output_isel): Delete.
5545         * config/rs6000/rs6000.c (output_isel): Delete.
5546         * config/rs6000/rs6000.md (isel_signed_<mode>): Use reg_or_zero_operand
5547         instead of reg_or_cint_operand.  Output instruction directly (not via
5548         output_isel).
5549         (isel_unsigned_<mode>): Ditto.
5550         (*isel_reversed_signed_<mode>): Use reg_or_zero_operand instead of
5551         gpc_reg_operand.  Add an instruction alternative for this.  Output
5552         instruction directly.
5553         (*isel_reversed_unsigned_<mode>): Ditto.
5555 2017-10-11  Uros Bizjak  <ubizjak@gmail.com>
5557         * config/i386/i386.c (ix86_canonicalize_comparison): New function.
5558         (TARGET_CANONICALIZE_COMPARISON): Define.
5560 2017-10-11  Qing Zhao  <qing.zhao@oracle.com>
5562         PR target/81422
5563         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
5564         Check whether the dest is REG before adding REG_EQUIV note.
5566 2017-10-11  Vladimir Makarov  <vmakarov@redhat.com>
5568         PR sanitizer/82353
5569         * lra.c (collect_non_operand_hard_regs): Don't ignore operator
5570         locations.
5571         * lra-lives.c (bb_killed_pseudos, bb_gen_pseudos): Move up.
5572         (make_hard_regno_born, make_hard_regno_dead): Update
5573         bb_killed_pseudos and bb_gen_pseudos.
5575 2017-10-11  Nathan Sidwell  <nathan@acm.org>
5577         * incpath.h (enum incpath_kind): Name enum, prefix values.
5578         (add_path, add_cpp_dir_path, get_added_cpp_dirs): Use incpath_kind.
5579         * incpath.c (heads, tails): Use INC_MAX.
5580         (add_env_var_paths, add_standard_paths): Use incpath_kind.
5581         (merge_include_chains, split_quote_chain,
5582         register_include_chains): Update incpath_kind names.
5583         (add_cpp_dir_path, add_path, get_added_cpp_dirs): Use incpath_kind.
5584         * config/darwin-c.c (add_system_framework_path): Update incpath_kind
5585         names.
5586         (add_framework_path, darwin_register_objc_includes): Likewise.
5587         * config/vms/vms-c.c (vms_c_register_includes): Likewise.
5589 2017-10-11  Uros Bizjak  <ubizjak@gmail.com>
5591         * config/i386/i386.md (*cmp<X87MODEF:mode>_<SWI24:mode>_i387):
5592         Do not use float_operator operator predicate.
5593         (*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Ditto.
5594         * config/i386/predicates.md (float_operator): Remove predicate.
5596 2017-10-11  Uros Bizjak  <ubizjak@gmail.com>
5598         * config/i386/i386.md (*jcc<mode>_0_i387): Remove insn pattern.
5599         (*jccxf_i387): Ditto.
5600         (*jcc<mode>_i387): Ditto.
5601         (*jccu<mode>_i387): Ditto.
5602         (*jcc<X87MODEF:mode>_<SWI24:mode>_i387): Ditto.
5603         (*jcc_*_i387 splitters): Remove.
5604         * config/i386/i386-protos.h (ix86_split_fp_branch): Remove prototype.
5605         * config/i386/i386.c (ix86_split_fp_branch): Remove.
5606         * config/i386/predicates.md (ix86_swapped_fp_comparison_operator):
5607         Remove predicate.
5609 2017-10-11  Jan Hubicka  <hubicka@ucw.cz>
5611         * profile-count.h (slow_safe_scale_64bit): New function.
5612         (safe_scale_64bit): New inline.
5613         (profile_count::max_safe_multiplier): Remove; use safe_scale_64bit.
5614         * profile-count.c: Include wide-int.h
5615         (slow_safe_scale_64bit): New.
5617 2017-10-11  Nathan Sidwell  <nathan@acm.org>
5619         * tree.h (DECL_ASSEMBLER_NAME_SET_P): Don't check
5620         HAS_DECL_ASSEMBLER_NAME_P.
5621         * gimple-expr.c (gimple_decl_printable_name: Check
5622         HAS_DECL_ASSEMBLER_NAME_P too.
5623         * ipa-utils.h (type_in_anonymous_namespace_p): Check
5624         DECL_ASSEMBLER_NAME_SET_P of TYPE_NAME.
5625         (odr_type_p): No need to assert TYPE_NAME is a TYPE_DECL.
5626         * passes.c (rest_of_decl_compilation): Check
5627         HAS_DECL_ASSEMBLER_NAME_P too.
5628         * recog.c (verify_changes): Likewise.
5629         * tree-pretty-print.c (dump_decl_name): Likewise.
5630         * tree-ssa-structalias.c (alias_get_name): Likewise.  Reimplement.
5632         * tree.h (DECL_ASSEMBLER_NAME_RAW): New.
5633         (SET_DECL_ASSEMBLER_NAME): Use it.
5634         (DECL_ASSEMBLER_NAME_SET_P): Likewise.
5635         (COPY_DECL_ASSEMBLER_NAME): Likewise.
5636         * tree.c (decl_assembler_name): Use DECL_ASSEMBLER_NAME_RAW.
5638 2017-10-11  Jan Hubicka  <hubicka@ucw.cz>
5640         * config.gcc (i386, x86_64): Add extra objects.
5641         * config/i386/i386-protos.h (ix86_rip_relative_addr_p): Declare.
5642         (ix86_min_insn_size): Declare.
5643         (ix86_issue_rate): Declare.
5644         (ix86_adjust_cost): Declare.
5645         (ia32_multipass_dfa_lookahead): Declare.
5646         (ix86_macro_fusion_p): Declare.
5647         (ix86_macro_fusion_pair_p): Declare.
5648         (ix86_bd_has_dispatch): Declare.
5649         (ix86_bd_do_dispatch): Declare.
5650         (ix86_core2i7_init_hooks): Declare.
5651         (ix86_atom_sched_reorder): Declare.
5652         * config/i386/i386.c Move all CPU cost tables to x86-tune-costs.h.
5653         (COSTS_N_BYTES): Move to x86-tune-costs.h.
5654         (DUMMY_STRINGOP_ALGS):Move to x86-tune-costs.h.
5655         (rip_relative_addr_p): Rename to ...
5656         (ix86_rip_relative_addr_p): ... this one; export.
5657         (memory_address_length): Update.
5658         (ix86_issue_rate): Move to x86-tune-sched.c.
5659         (ix86_flags_dependent): Move to x86-tune-sched.c.
5660         (ix86_agi_dependent): Move to x86-tune-sched.c.
5661         (exact_dependency_1): Move to x86-tune-sched.c.
5662         (exact_store_load_dependency): Move to x86-tune-sched.c.
5663         (ix86_adjust_cost): Move to x86-tune-sched.c.
5664         (ia32_multipass_dfa_lookahead): Move to x86-tune-sched.c.
5665         (ix86_macro_fusion_p): Move to x86-tune-sched.c.
5666         (ix86_macro_fusion_pair_p): Move to x86-tune-sched.c.
5667         (do_reorder_for_imul): Move to x86-tune-sched-atom.c.
5668         (swap_top_of_ready_list): Move to x86-tune-sched-atom.c.
5669         (ix86_sched_reorder): Move to x86-tune-sched-atom.c.
5670         (core2i7_first_cycle_multipass_init): Move to x86-tune-sched-core.c.
5671         (core2i7_dfa_post_advance_cycle): Move to x86-tune-sched-core.c.
5672         (min_insn_size): Rename to ...
5673         (ix86_min_insn_size): ... this one; export.
5674         (core2i7_first_cycle_multipass_begin): Move to x86-tune-sched-core.c.
5675         (core2i7_first_cycle_multipass_issue): Move to x86-tune-sched-core.c.
5676         (core2i7_first_cycle_multipass_backtrack): Move to
5677         x86-tune-sched-core.c.
5678         (core2i7_first_cycle_multipass_end): Move to x86-tune-sched-core.c.
5679         (core2i7_first_cycle_multipass_fini): Move to x86-tune-sched-core.c.
5680         (ix86_sched_init_global): Break up logic to ix86_core2i7_init_hooks.
5681         (ix86_avoid_jump_mispredicts): Update.
5682         (TARGET_SCHED_DISPATCH): Move to ix86-tune-sched-bd.c.
5683         (TARGET_SCHED_DISPATCH_DO): Move to ix86-tune-sched-bd.c.
5684         (TARGET_SCHED_REORDER): Move to ix86-tune-sched-bd.c.
5685         (DISPATCH_WINDOW_SIZE): Move to ix86-tune-sched-bd.c.
5686         (MAX_DISPATCH_WINDOWS): Move to ix86-tune-sched-bd.c.
5687         (MAX_INSN): Move to ix86-tune-sched-bd.c.
5688         (MAX_IMM): Move to ix86-tune-sched-bd.c.
5689         (MAX_IMM_SIZE): Move to ix86-tune-sched-bd.c.
5690         (MAX_IMM_32): Move to ix86-tune-sched-bd.c.
5691         (MAX_IMM_64): Move to ix86-tune-sched-bd.c.
5692         (MAX_LOAD): Move to ix86-tune-sched-bd.c.
5693         (MAX_STORE): Move to ix86-tune-sched-bd.c.
5694         (BIG): Move to ix86-tune-sched-bd.c.
5695         (enum dispatch_group): Move to ix86-tune-sched-bd.c.
5696         (enum insn_path): Move to ix86-tune-sched-bd.c.
5697         (get_mem_group): Move to ix86-tune-sched-bd.c.
5698         (is_cmp): Move to ix86-tune-sched-bd.c.
5699         (dispatch_violation): Move to ix86-tune-sched-bd.c.
5700         (is_branch): Move to ix86-tune-sched-bd.c.
5701         (is_prefetch): Move to ix86-tune-sched-bd.c.
5702         (init_window): Move to ix86-tune-sched-bd.c.
5703         (allocate_window): Move to ix86-tune-sched-bd.c.
5704         (init_dispatch_sched): Move to ix86-tune-sched-bd.c.
5705         (is_end_basic_block): Move to ix86-tune-sched-bd.c.
5706         (process_end_window): Move to ix86-tune-sched-bd.c.
5707         (allocate_next_window): Move to ix86-tune-sched-bd.c.
5708         (find_constant): Move to ix86-tune-sched-bd.c.
5709         (get_num_immediates): Move to ix86-tune-sched-bd.c.
5710         (has_immediate): Move to ix86-tune-sched-bd.c.
5711         (get_insn_path): Move to ix86-tune-sched-bd.c.
5712         (get_insn_group): Move to ix86-tune-sched-bd.c.
5713         (count_num_restricted): Move to ix86-tune-sched-bd.c.
5714         (fits_dispatch_window): Move to ix86-tune-sched-bd.c.
5715         (add_insn_window): Move to ix86-tune-sched-bd.c.
5716         (add_to_dispatch_window): Move to ix86-tune-sched-bd.c.
5717         (debug_dispatch_window_file): Move to ix86-tune-sched-bd.c.
5718         (debug_dispatch_window): Move to ix86-tune-sched-bd.c.
5719         (debug_insn_dispatch_info_file): Move to ix86-tune-sched-bd.c.
5720         (debug_ready_dispatch): Move to ix86-tune-sched-bd.c.
5721         (do_dispatch): Move to ix86-tune-sched-bd.c.
5722         (has_dispatch): Move to ix86-tune-sched-bd.c.
5723         * config/i386/t-i386: Add new object files.
5724         * config/i386/x86-tune-costs.h: New file.
5725         * config/i386/x86-tune-sched-atom.c: New file.
5726         * config/i386/x86-tune-sched-bd.c: New file.
5727         * config/i386/x86-tune-sched-core.c: New file.
5728         * config/i386/x86-tune-sched.c: New file.
5730 2017-10-11  Liu Hao  <lh_mouse@126.com>
5732         * pretty-print.c [_WIN32] (colorize_init): Remove.  Use
5733         the generic version below instead.
5734         (should_colorize): Recognize Windows consoles as terminals
5735         for MinGW targets.
5736         * pretty-print.c [__MINGW32__] (write_all): New function.
5737         [__MINGW32__] (find_esc_head): Likewise.
5738         [__MINGW32__] (find_esc_terminator): Likewise.
5739         [__MINGW32__] (eat_esc_sequence): Likewise.
5740         [__MINGW32__] (mingw_ansi_fputs): New function that handles
5741         ANSI escape codes.
5742         (pp_write_text_to_stream): Use mingw_ansi_fputs instead of fputs
5743         for MinGW targets.
5745 2017-10-11  Richard Biener  <rguenther@suse.de>
5747         * tree-ssa-loop-niter.c (infer_loop_bounds_from_pointer_arith):
5748         Properly call analyze_scalar_evolution with the loop of the stmt.
5750 2017-10-11  Richard Biener  <rguenther@suse.de>
5752         * tree.def (POLYNOMIAL_CHREC): Remove CHREC_VARIABLE tree operand.
5753         * tree-core.h (tree_base): Add chrec_var union member.
5754         * tree.h (CHREC_VAR): Remove.
5755         (CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE): Adjust.
5756         * tree-chrec.h (build_polynomial_chrec): Adjust.
5757         * tree-chrec.c (reset_evolution_in_loop): Use build_polynomial_chrec.
5758         * tree-pretty-print.c (dump_generic_node): Use CHREC_VARIABLE.
5760 2017-10-11  Marc Glisse  <marc.glisse@inria.fr>
5762         * fold-const.c (fold_binary_loc) [X +- Y CMP X]: Move ...
5763         * match.pd: ... here.
5764         ((T) X == (T) Y): Relax condition.
5766 2017-10-11  Bin Cheng  <bin.cheng@arm.com>
5768         PR tree-optimization/82472
5769         * tree-loop-distribution.c (sort_partitions_by_post_order): Refine
5770         comment.
5771         (break_alias_scc_partitions): Update postorder number.
5773 2017-10-11  Martin Liska  <mliska@suse.cz>
5775         PR sanitizer/82490
5776         * opts.c (parse_no_sanitize_attribute): Do not use error_value
5777         variable.
5778         * opts.h (parse_no_sanitize_attribute): Remove last argument.
5780 2017-10-11  Martin Liska  <mliska@suse.cz>
5782         * print-rtl.c (print_insn): Move declaration of idbuf
5783         to same scope as name.
5785 2017-10-11  Martin Liska  <mliska@suse.cz>
5787         Revert r253637:
5789         PR sanitizer/82484
5790         * sanopt.c (sanitize_rewrite_addressable_params): Do not handle
5791         volatile arguments.
5793 2017-10-11  Martin Liska  <mliska@suse.cz>
5795         PR sanitizer/82484
5796         * sanopt.c (sanitize_rewrite_addressable_params): Do not handle
5797         volatile arguments.
5799 2017-10-11  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
5801         * config.gcc (default_gnu_indirect_function): Default to yes for
5802         arm*-*-linux* with glibc.
5804 2017-10-11  Richard Biener  <rguenther@suse.de>
5806         * tree-scalar-evolution.c (get_scalar_evolution): Handle
5807         default-defs and types we do not want to analyze.
5808         (interpret_loop_phi): Replace unreachable code with an assert.
5809         (compute_scalar_evolution_in_loop): Remove and inline ...
5810         (analyze_scalar_evolution_1): ... here, replacing condition with
5811         what makes the intent clearer.  Remove handling of cases
5812         get_scalar_evolution now handles.
5814 2017-10-10  Jim Wilson  <wilson@tuliptree.org>
5816         PR rtl-optimization/81434
5817         * haifa-sched.c (prune_ready_list): Init min_cost_group to 0.  Update
5818         comment for main loop.  In sched_group_found if, also add checks for
5819         pass and min_cost_group.
5821 2017-10-10  Segher Boessenkool  <segher@kernel.crashing.org>
5823         * config/rs6000/rs6000.c (TARGET_INSN_COST): New.
5824         (rs6000_insn_cost): New function.
5825         * config/rs6000/rs6000.md (cost): New attribute.
5827 2017-10-10  Jakub Jelinek  <jakub@redhat.com>
5828             H.J. Lu  <hongjiu.lu@intel.com>
5830         PR target/79565
5831         PR target/82483
5832         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Add
5833         OPTION_MASK_ISA_MMX for __builtin_ia32_maskmovq,
5834         __builtin_ia32_vec_ext_v4hi and __builtin_ia32_vec_set_v4hi.
5835         (ix86_expand_builtin): Treat OPTION_MASK_ISA_MMX similarly
5836         to OPTION_MASK_ISA_AVX512VL - builtins that have both
5837         OPTION_MASK_ISA_MMX and some other bit set require both
5838         mmx and the ISAs without the mmx bit.
5839         * config/i386/i386-builtin.def (__builtin_ia32_cvtps2pi,
5840         __builtin_ia32_cvttps2pi, __builtin_ia32_cvtpi2ps,
5841         __builtin_ia32_pavgb, __builtin_ia32_pavgw, __builtin_ia32_pmulhuw,
5842         __builtin_ia32_pmaxub, __builtin_ia32_pmaxsw, __builtin_ia32_pminub,
5843         __builtin_ia32_pminsw, __builtin_ia32_psadbw, __builtin_ia32_pmovmskb,
5844         __builtin_ia32_pshufw, __builtin_ia32_cvtpd2pi,
5845         __builtin_ia32_cvttpd2pi, __builtin_ia32_cvtpi2pd,
5846         __builtin_ia32_pmuludq, __builtin_ia32_pabsb, __builtin_ia32_pabsw,
5847         __builtin_ia32_pabsd, __builtin_ia32_phaddw, __builtin_ia32_phaddd,
5848         __builtin_ia32_phaddsw, __builtin_ia32_phsubw, __builtin_ia32_phsubd,
5849         __builtin_ia32_phsubsw, __builtin_ia32_pmaddubsw,
5850         __builtin_ia32_pmulhrsw, __builtin_ia32_pshufb, __builtin_ia32_psignb,
5851         __builtin_ia32_psignw, __builtin_ia32_psignd, __builtin_ia32_movntq,
5852         __builtin_ia32_paddq, __builtin_ia32_psubq, __builtin_ia32_palignr):
5853         Add OPTION_MASK_ISA_MMX.
5855 2017-10-10  Andreas Tobler  <andreast@gcc.gnu.org>
5857         * config.gcc (armv7*-*-freebsd*): New target.
5858         (armv6*-*-freebsd*): Remove obsolete TARGET_FREEBSD_ARMv6 define.
5860 2017-10-10  Jan Hubicka  <hubicka@ucw.cz>
5862         * x86-tune.def (X86_TUNE_AVOID_FALSE_DEP_FOR_BMI,
5863         X86_TUNE_ADJUST_UNROLL, X86_TUNE_ONE_IF_CONV_INSN): Move to right
5864         spot in the file.
5866 2017-10-10  Richard Sandiford  <richard.sandiford@linaro.org>
5868         * wide-int.h (wide_int_ref_storage): Make host_dependent_precision
5869         a template parameter.
5870         (WIDE_INT_REF_FOR): Update accordingly.
5871         * tree.h (wi::int_traits <const_tree>): Delete.
5872         (wi::tree_to_widest_ref, wi::tree_to_offset_ref): New typedefs.
5873         (wi::to_widest, wi::to_offset): Use them.  Expand commentary.
5874         (wi::tree_to_wide_ref): New typedef.
5875         (wi::to_wide): New function.
5876         * calls.c (get_size_range): Use wi::to_wide when operating on
5877         trees as wide_ints.
5878         * cgraph.c (cgraph_node::create_thunk): Likewise.
5879         * config/i386/i386.c (ix86_data_alignment): Likewise.
5880         (ix86_local_alignment): Likewise.
5881         * dbxout.c (stabstr_O): Likewise.
5882         * dwarf2out.c (add_scalar_info, gen_enumeration_type_die): Likewise.
5883         * expr.c (const_vector_from_tree): Likewise.
5884         * fold-const-call.c (host_size_t_cst_p, fold_const_call_1): Likewise.
5885         * fold-const.c (may_negate_without_overflow_p, negate_expr_p)
5886         (fold_negate_expr_1, int_const_binop_1, const_binop)
5887         (fold_convert_const_int_from_real, optimize_bit_field_compare)
5888         (all_ones_mask_p, sign_bit_p, unextend, extract_muldiv_1)
5889         (fold_div_compare, fold_single_bit_test, fold_plusminus_mult_expr)
5890         (pointer_may_wrap_p, expr_not_equal_to, fold_binary_loc)
5891         (fold_ternary_loc, multiple_of_p, fold_negate_const, fold_abs_const)
5892         (fold_not_const, round_up_loc): Likewise.
5893         * gimple-fold.c (gimple_fold_indirect_ref): Likewise.
5894         * gimple-ssa-warn-alloca.c (alloca_call_type_by_arg): Likewise.
5895         (alloca_call_type): Likewise.
5896         * gimple.c (preprocess_case_label_vec_for_gimple): Likewise.
5897         * godump.c (go_output_typedef): Likewise.
5898         * graphite-sese-to-poly.c (tree_int_to_gmp): Likewise.
5899         * internal-fn.c (get_min_precision): Likewise.
5900         * ipa-cp.c (ipcp_store_vr_results): Likewise.
5901         * ipa-polymorphic-call.c
5902         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Likewise.
5903         * ipa-prop.c (ipa_print_node_jump_functions_for_edge): Likewise.
5904         (ipa_modify_call_arguments): Likewise.
5905         * match.pd: Likewise.
5906         * omp-low.c (scan_omp_1_op, lower_omp_ordered_clauses): Likewise.
5907         * print-tree.c (print_node_brief, print_node): Likewise.
5908         * stmt.c (expand_case): Likewise.
5909         * stor-layout.c (layout_type): Likewise.
5910         * tree-affine.c (tree_to_aff_combination): Likewise.
5911         * tree-cfg.c (group_case_labels_stmt): Likewise.
5912         * tree-data-ref.c (dr_analyze_indices): Likewise.
5913         (prune_runtime_alias_test_list): Likewise.
5914         * tree-dump.c (dequeue_and_dump): Likewise.
5915         * tree-inline.c (remap_gimple_op_r, copy_tree_body_r): Likewise.
5916         * tree-predcom.c (is_inv_store_elimination_chain): Likewise.
5917         * tree-pretty-print.c (dump_generic_node): Likewise.
5918         * tree-scalar-evolution.c (iv_can_overflow_p): Likewise.
5919         (simple_iv_with_niters): Likewise.
5920         * tree-ssa-address.c (addr_for_mem_ref): Likewise.
5921         * tree-ssa-ccp.c (ccp_finalize, evaluate_stmt): Likewise.
5922         * tree-ssa-loop-ivopts.c (constant_multiple_of): Likewise.
5923         * tree-ssa-loop-niter.c (split_to_var_and_offset)
5924         (refine_value_range_using_guard, number_of_iterations_ne_max)
5925         (number_of_iterations_lt_to_ne, number_of_iterations_lt)
5926         (get_cst_init_from_scev, record_nonwrapping_iv)
5927         (scev_var_range_cant_overflow): Likewise.
5928         * tree-ssa-phiopt.c (minmax_replacement): Likewise.
5929         * tree-ssa-pre.c (compute_avail): Likewise.
5930         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Likewise.
5931         (vn_reference_maybe_forwprop_address, valueized_wider_op): Likewise.
5932         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Likewise.
5933         * tree-ssa-uninit.c (is_pred_expr_subset_of): Likewise.
5934         * tree-ssanames.c (set_nonzero_bits, get_nonzero_bits): Likewise.
5935         * tree-switch-conversion.c (collect_switch_conv_info, array_value_type)
5936         (dump_case_nodes, try_switch_expansion): Likewise.
5937         * tree-vect-loop-manip.c (vect_gen_vector_loop_niters): Likewise.
5938         (vect_do_peeling): Likewise.
5939         * tree-vect-patterns.c (vect_recog_bool_pattern): Likewise.
5940         * tree-vect-stmts.c (vectorizable_load): Likewise.
5941         * tree-vrp.c (compare_values_warnv, vrp_int_const_binop): Likewise.
5942         (zero_nonzero_bits_from_vr, ranges_from_anti_range): Likewise.
5943         (extract_range_from_binary_expr_1, adjust_range_with_scev): Likewise.
5944         (overflow_comparison_p_1, register_edge_assert_for_2): Likewise.
5945         (is_masked_range_test, find_switch_asserts, maybe_set_nonzero_bits)
5946         (vrp_evaluate_conditional_warnv_with_ops, intersect_ranges): Likewise.
5947         (range_fits_type_p, two_valued_val_range_p, vrp_finalize): Likewise.
5948         (evrp_dom_walker::before_dom_children): Likewise.
5949         * tree.c (cache_integer_cst, real_value_from_int_cst, integer_zerop)
5950         (integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2)
5951         (tree_floor_log2, tree_ctz, mem_ref_offset, tree_int_cst_sign_bit)
5952         (tree_int_cst_sgn, get_unwidened, int_fits_type_p): Likewise.
5953         (get_type_static_bounds, num_ending_zeros, drop_tree_overflow)
5954         (get_range_pos_neg): Likewise.
5955         * ubsan.c (ubsan_expand_ptr_ifn): Likewise.
5956         * config/darwin.c (darwin_mergeable_constant_section): Likewise.
5957         * config/aarch64/aarch64.c (aapcs_vfp_sub_candidate): Likewise.
5958         * config/arm/arm.c (aapcs_vfp_sub_candidate): Likewise.
5959         * config/avr/avr.c (avr_fold_builtin): Likewise.
5960         * config/bfin/bfin.c (bfin_local_alignment): Likewise.
5961         * config/msp430/msp430.c (msp430_attr): Likewise.
5962         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5963         * config/powerpcspe/powerpcspe-c.c
5964         (altivec_resolve_overloaded_builtin): Likewise.
5965         * config/powerpcspe/powerpcspe.c (rs6000_aggregate_candidate)
5966         (rs6000_expand_ternop_builtin): Likewise.
5967         * config/rs6000/rs6000-c.c
5968         (altivec_resolve_overloaded_builtin): Likewise.
5969         * config/rs6000/rs6000.c (rs6000_aggregate_candidate): Likewise.
5970         (rs6000_expand_ternop_builtin): Likewise.
5971         * config/s390/s390.c (s390_handle_hotpatch_attribute): Likewise.
5973 2017-10-10  Bin Cheng  <bin.cheng@arm.com>
5975         * tree-vect-loop-manip.c (rename_variables_in_bb): Rename PHI nodes
5976         when copying loop nest with only one inner loop.
5978 2017-10-10  Richard Biener  <rguenther@suse.de>
5980         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Avoid compacting
5981         blocks if SCEV is active.
5982         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Remove
5983         dead code.
5984         (analyze_scalar_evolution): Handle cached evolutions the obvious way.
5985         (scev_initialize): Assert we are not yet initialized.
5987 2017-10-10  Bin Cheng  <bin.cheng@arm.com>
5989         * tree-loop-distribution.c (generate_loops_for_partition): Remove
5990         inner loop's exit stmt by making it always exit the loop, otherwise
5991         we would generate an infinite empty loop.
5993 2017-10-10  Bin Cheng  <bin.cheng@arm.com>
5995         * tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg): Skip
5996         renaming variables in new preheader if it's deleted.
5998 2017-10-10  Bin Cheng  <bin.cheng@arm.com>
6000         * tree-loop-distribution.c (struct partition): Remove unused field
6001         loops of the structure.
6002         (partition_alloc, partition_free): Ditto.
6003         (build_rdg_partition_for_vertex): Ditto.
6005 2017-10-09  Jeff Law  <law@redhat.com>
6007         * targhooks.c (default_stack_clash_protection_final_dynamic_probe): Fix
6008         return type to match prototype and documentation.
6010 2010-10-09  Segher Boessenkool  <segher@kernel.crashing.org>
6012         * config/rs6000/rs6000.c (processor_costs): Move to ...
6013         * config/rs6000/rs6000.h: ... here.
6014         (rs6000_cost): Declare.
6016 2017-10-09  Eric Botcazou  <ebotcazou@adacore.com>
6018         * except.c (setjmp_fn): New global variable.
6019         (init_eh): Initialize it if DONT_USE_BUILTIN_SETJMP is defined.
6020         (sjlj_emit_function_enter): Call it instead of BUILTIN_SETJMP
6021         if DONT_USE_BUILTIN_SETJMP is defined.
6023 2017-10-09  Segher Boessenkool  <segher@kernel.crashing.org>
6025         * target.def (insn_cost): New hook.
6026         * doc/tm.texi.in (TARGET_INSN_COST): New hook.
6027         * doc/tm.texi: Regenerate.
6028         * rtlanal.c (insn_cost): Use the new hook.
6030 2017-10-09  Segher Boessenkool  <segher@kernel.crashing.org>
6032         * combine.c (combine_validate_cost): Compute the new insn_cost,
6033         not just pattern_cost.
6034         (try_combine): Adjust comment.
6036 2017-10-09  Segher Boessenkool  <segher@kernel.crashing.org>
6038         * cfgrtl.c (rtl_account_profile_record): Replace insn_rtx_cost with
6039         insn_cost.
6040         * combine.c (uid_insn_cost): Adjust comment.
6041         (combine_validate_cost): Adjust comment.  Use pattern_cost instead
6042         of insn_rtx_cost
6043         (combine_instructions): Use insn_cost instead of insn_rtx_cost.
6044         * dse.c (find_shift_sequence): Ditto.
6045         * ifcvt.c (cheap_bb_rtx_cost_p): Ditto.
6046         (bb_valid_for_noce_process_p): Use pattern_cost.
6047         * rtl.h (insn_rtx_cost): Delete.
6048         (pattern_cost): New prototype.
6049         (insn_cost): New prototype.
6050         * rtlanal.c (insn_rtx_cost): Rename to...
6051         (pattern_cost): ... this.
6052         (insn_cost): New.
6054 2017-10-09  Uros Bizjak  <ubizjak@gmail.com>
6056         * config/i386/i386.md (*jcc_2): Remove insn pattern.
6057         (*jcc<mode>_0_r_i387): Ditto.
6058         (*jccxf_r_i387): Ditto.
6059         (*jcc<mode>_r_i387): Ditto.
6060         (*jccu<mode>_r_i387): Ditto.
6061         (*jcc<X87MODEF:mode>_<SWI24:mode>_r_i387): Ditto.
6062         (*jcc): Rename from *jcc_1.
6064 2017-10-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6066         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Process
6067         deferred rescans after the lvx/stvx recombination pre-pass.
6069 2017-10-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
6071         * config/rs6000/amo.h: New include file to provide ISA 3.0 atomic
6072         memory operation instruction support.
6073         * config.gcc (powerpc*-*-*): Include amo.h as an extra header.
6074         (rs6000-ibm-aix[789]*): Likewise.
6075         * doc/extend.texi (PowerPC Atomic Memory Operation Functions):
6076         Document new functions.
6078 2017-10-09  Richard Biener  <rguenther@suse.de>
6080         PR tree-optimization/82397
6081         * tree-data-ref.c (data_ref_compare_tree): Make sure to return
6082         equality only for semantically equal trees.
6084 2017-10-09  Richard Biener  <rguenther@suse.de>
6086         PR tree-optimization/82449
6087         * sese.c (scev_analyzable_p): Check whether the SCEV is linear.
6088         * tree-chrec.h (evolution_function_is_constant_p): Adjust to
6089         allow constant addresses.
6090         * tree-chrec.c (scev_is_linear_expression): Constant evolutions
6091         are linear.
6093 2017-10-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6095         * config/s390/s390-builtins.def (vec_nabs, vec_vfi): Fix builtin
6096         flags.
6098 2017-10-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6100         PR target/82463
6101         * config/s390/vecintrin.h (vec_madd, vec_msub): Fix macro
6102         definitions.
6104 2017-10-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6106         PR target/82465
6107         * config/s390/s390-builtins.def (vec_sqrt): Fix builtin flags.
6109 2017-10-09  Jakub Jelinek  <jakub@redhat.com>
6111         PR target/82464
6112         * config/s390/s390-builtins.def (s390_vec_xor_flt_a,
6113         s390_vec_xor_flt_b, s390_vec_xor_flt_c): New.
6115 2017-10-09  Richard Sandiford  <richard.sandiford@linaro.org>
6117         * wide-int.h (WI_BINARY_OPERATOR_RESULT): New macro.
6118         (WI_BINARY_PREDICATE_RESULT): Likewise.
6119         (wi::binary_traits::operator_result): New type.
6120         (wi::binary_traits::predicate_result): Likewise.
6121         (generic_wide_int::operator~, unary generic_wide_int::operator-)
6122         (generic_wide_int::operator==, generic_wide_int::operator!=)
6123         (generic_wide_int::operator&, generic_wide_int::and_not)
6124         (generic_wide_int::operator|, generic_wide_int::or_not)
6125         (generic_wide_int::operator^, generic_wide_int::operator+
6126         (binary generic_wide_int::operator-, generic_wide_int::operator*):
6127         Delete.
6128         (operator~, unary operator-, operator==, operator!=, operator&)
6129         (operator|, operator^, operator+, binary operator-, operator*): New
6130         functions.
6131         * expr.c (get_inner_reference): Use wi::bit_and_not.
6132         * fold-const.c (fold_binary_loc): Likewise.
6133         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
6134         * tree-ssa-ccp.c (get_value_from_alignment): Likewise.
6135         (bit_value_binop): Likewise.
6136         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6137         * tree-vrp.c (zero_nonzero_bits_from_vr): Likewise.
6138         (extract_range_from_binary_expr_1): Likewise.
6139         (masked_increment): Likewise.
6140         (simplify_bit_ops_using_ranges): Likewise.
6142 2017-10-09  Martin Jambor  <mjambor@suse.cz>
6144         PR hsa/82416
6145         * hsa-common.h (hsa_op_with_type): New method extend_int_to_32bit.
6146         * hsa-gen.c (hsa_extend_inttype_to_32bit): New function.
6147         (hsa_type_for_scalar_tree_type): Use it.  Always force min32int for
6148         COMPLEX types.
6149         (hsa_fixup_mov_insn_type): New function.
6150         (hsa_op_with_type::get_in_type): Use it.
6151         (hsa_build_append_simple_mov): Likewise.  Allow sub-32bit
6152         immediates in an assert.
6153         (hsa_op_with_type::extend_int_to_32bit): New method.
6154         (gen_hsa_insns_for_bitfield): Fixup instruction and intermediary
6155         types.  Convert to dest type if necessary.
6156         (gen_hsa_insns_for_bitfield_load): Fixup load type if necessary.
6157         (reg_for_gimple_ssa): Pass false as min32int to
6158         hsa_type_for_scalar_tree_type.
6159         (gen_hsa_addr): Fixup type when creating addresable temporary.
6160         (gen_hsa_cmp_insn_from_gimple): Extend operands if necessary.
6161         (gen_hsa_unary_operation): Extend operands and convert to dest type if
6162         necessary.  Call hsa_fixup_mov_insn_type.
6163         (gen_hsa_binary_operation): Changed operand types to hsa_op_with_type,
6164         extend operands and convert to dest type if necessary.
6165         (gen_hsa_insns_for_operation_assignment): Extend operands and convert
6166         to dest type if necessary.
6167         (set_output_in_type): Call hsa_fixup_mov_insn_type.  Just ude dest
6168         if conversion nt necessary and size matches.
6169         (gen_hsa_insns_for_load): Call hsa_fixup_mov_insn_type, convert
6170         to dest type if necessary.
6171         (gen_hsa_insns_for_store): Call hsa_fixup_mov_insn_type.
6172         (gen_hsa_insns_for_switch_stmt): Likewise. Also extend operands if
6173         necessary.
6174         (gen_hsa_clrsb): Likewise.
6175         (gen_hsa_ffs): Likewise.
6176         (gen_hsa_divmod): Extend operands and convert to dest type if
6177         necessary.
6178         (gen_hsa_atomic_for_builtin): Change type of op to hsa_op_with_type.
6180 2017-10-08  Segher Boessenkool  <segher@kernel.crashing.org>
6182         * config/rs6000/rs6000.md (conditional branch): Clean up formatting.
6183         Remove empty default arguments.  Use a brace block as output
6184         statement.
6185         (conditional return): Ditto.
6186         (jump): Ditto.
6187         (indirect_jump): Ditto.  Use b%T0 instead of bctr/blr.
6188         (tablejump, tablejumpsi, tablejumpdi, *tablejump<mode>_internal1):
6189         Ditto.
6190         (group_ending_nop): Ditto.
6191         (doloop_end): Ditto.
6192         (ctr<mode>, ctr<mode>_internal1, ctr<mode>_internal2): Ditto.
6193         (splitters for those): Ditto.
6195 2017-10-08  Segher Boessenkool  <segher@kernel.crashing.org>
6197         * config/rs6000/rs6000-string.c (expand_strncmp_align_check): Invert
6198         a conditional jump (and the compare for it) so that pc_rtx is the
6199         last operand.
6200         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Adjust
6201         for the deleted and renamed ctr<mode>_internal[234] patterns.
6202         * config/rs6000/rs6000.md: Delete second conditional branch pattern.
6203         Delete second conditional return pattern.
6204         (ctr<mode>_internal2): Delete this second bdnz pattern.
6205         (ctr<mode>_internal3): Rename to ctr<mode>_internal2.
6206         (ctr<mode>_internal4): Delete this second bdz pattern.
6208 2017-10-08  Eric Botcazou  <ebotcazou@adacore.com>
6210         * tree-outof-ssa.h (ssaexpand): Add partitions_for_undefined_values.
6211         (always_initialized_rtx_for_ssa_name_p): New predicate.
6212         * tree-outof-ssa.c (remove_ssa_form): Initialize new field of SA.
6213         (finish_out_of_ssa): Free new field of SA.
6214         * tree-ssa-coalesce.h (get_undefined_value_partitions): Declare.
6215         * tree-ssa-coalesce.c: Include tree-ssa.h.
6216         (get_parm_default_def_partitions): Remove extern keyword.
6217         (get_undefined_value_partitions): New function.
6218         * expr.c (expand_expr_real_1) <expand_decl_rtl>: For a SSA_NAME, do
6219         not set SUBREG_PROMOTED_VAR_P on the sub-register if it may contain
6220         uninitialized bits.
6221         * loop-iv.c (iv_get_reaching_def): Disqualify all subregs.
6223 2017-10-08  Eric Botcazou  <ebotcazou@adacore.com>
6225         * builtins.def (BUILT_IN_SETJMP): Revert latest change.
6227 2017-10-08  Jan Hubicka  <hubicka@ucw.cz>
6229         * config/i386/i386.c (ix86_expand_set_or_movmem): Disable 512bit loops
6230         for targets that preffer 128bit.
6232 2017-10-08  Jan Hubicka  <hubicka@ucw.cz>
6234         * config/i386/i386.c (has_dispatch): Disable for Ryzen.
6236 2017-10-08  Olivier Hainque  <hainque@adacore.com>
6238         * config/arm/arm.c (arm_set_return_address): Use MEM_VOLATILE_P
6239         on the target mem instead of RTX_FRAME_RELATED_P on the insn to
6240         prevent DSE.
6241         (thumb_set_return_address): Likewise.
6243 2017-10-08  Olivier Hainque  <hainque@adacore.com>
6245         * common/config/arm/arm-common.c (arm_except_unwind_info):
6246         Handle DWARF2_UNWIND_INFO.
6248 2017-10-07  Michael Collison <michael.collison@arm.com>
6250         * config/aarch64/aarch64.md (*aarch64_reg_<optab>_minus<mode>3):
6251         New pattern.
6253 2017-10-07  Eric Botcazou  <ebotcazou@adacore.com>
6255         * builtins.def (BUILT_IN_SETJMP): Declare as library builtin instead
6256         of GCC builtin if DONT_USE_BUILTIN_SETJMP is defined.
6257         * except.c (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is
6258         defined, force the creation of a new block for a dispatch label.
6260 2017-10-07  Jan Hubicka  <hubicka@ucw.cz>
6262         * invoke.texi (Wsuggest-attribute=cold): Document.
6263         * common.opt (Wsuggest-attribute=cold): New
6264         * ipa-pure-const.c (warn_function_cold): New function.
6265         * predict.c (compute_function_frequency): Use it.
6266         * predict.h (warn_function_cold): Declare.
6268 2017-10-06  Jan Hubicka  <hubicka@ucw.cz>
6270         * tree-switch-conversion.c (do_jump_if_equal, emit_cmp_and_jump_insns):
6271         Update profile.
6273 2017-10-06  Martin Liska  <mliska@suse.cz>
6275         * sanopt.c (struct sanopt_tree_triplet_hash): Remove inline
6276         keyword for member functions.
6277         (struct sanopt_tree_couple): New struct.
6278         (struct sanopt_tree_couple_hash): New function.
6279         (struct sanopt_ctx): Add new hash_map.
6280         (has_dominating_ubsan_ptr_check): New function.
6281         (record_ubsan_ptr_check_stmt): Likewise.
6282         (maybe_optimize_ubsan_ptr_ifn): Likewise.
6283         (sanopt_optimize_walker): Handle IFN_UBSAN_PTR.
6284         (pass_sanopt::execute): Handle also SANITIZE_POINTER_OVERFLOW.
6286 2017-10-06  Sudakshina Das  <sudi.das@arm.com>
6288         PR target/82440
6289         * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Only call
6290         aarch64_simd_valid_immediate on CONST_VECTORs.
6291         (aarch64_reg_or_bic_imm): Likewise.
6293 2017-10-06  Wilco Dijkstra  <wdijkstr@arm.com>
6295         PR rtl-optimization/82396
6296         * haifa-sched.c (ready_sort_real): Disable qsort checking.
6298 2017-10-06  Sebastian Pop  <sebpop@gmail.com>
6300         * graphite-dependences.c (scop_get_reads): Move code to...
6301         (scop_get_must_writes): Move code to...
6302         (scop_get_may_writes): Move code to...
6303         (scop_get_reads_and_writes): ... here.
6304         (scop_get_dependences): Call scop_get_reads_and_writes.
6306 2017-10-06  Jakub Jelinek  <jakub@redhat.com>
6308         PR tree-optimization/82434
6309         * fold-const.h (can_native_encode_type_p,
6310         can_native_encode_string_p): Remove.
6311         * fold-const.c (native_encode_int): Formatting fixes.  If ptr is NULL,
6312         don't encode anything, just return what would be otherwise returned.
6313         (native_encode_fixed, native_encode_complex, native_encode_vector):
6314         Likewise.
6315         (native_encode_string): Likewise.  Inline by hand
6316         can_native_encode_string_p.
6317         (can_native_encode_type_p): Remove.
6318         (can_native_encode_string_p): Remove.
6319         * tree-vect-stmts.c (vectorizable_store): Instead of testing just
6320         STRING_CSTs using can_native_encode_string_p, test all
6321         CONSTANT_CLASS_P values using native_encode_expr with NULL ptr.
6322         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Remove last
6323         argument from native_encode_expr.
6324         (rhs_valid_for_store_merging_p): Use native_encode_expr with NULL ptr.
6325         (pass_store_merging::execute): Don't unnecessarily look for 3 stmts,
6326         but just 2.
6328 2017-10-06  Richard Biener  <rguenther@suse.de>
6330         PR tree-optimization/82397
6331         * tree-vect-data-refs.c (dr_group_sort_cmp): Do not use
6332         operand_equal_p but rely on data_ref_compare_tree for detecting
6333         equalities.
6334         (vect_analyze_data_ref_accesses): Use data_ref_compare_tree
6335         to match up with dr_group_sort_cmp.
6337 2017-10-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6339         PR target/82322
6340         * config/s390/s390-builtins.def (s390_vfi): Define new overloaded
6341         builtin.
6342         * config/s390/s390-builtin-types.def: Regenerate.
6344 2017-10-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6346         PR target/82317
6347         * config/s390/s390-builtin-types.def: Regenerate.
6348         * config/s390/s390-builtins.def (s390_vfmaxdb_4, s390_vfmindb_4):
6349         Change flag from B_VXE to B_VX.
6350         (s390_vec_min_dbl): Remove B_VXE flag.
6352 2017-10-06  Richard Biener  <rguenther@suse.de>
6354         * graphite-isl-ast-to-gimple.c: Include ssa.h and tree-ssa.h.
6355         (translate_isl_ast_to_gimple::translate_pending_phi_nodes,
6356         translate_isl_ast_to_gimple::is_valid_rename,
6357         translate_isl_ast_to_gimple::get_rename,
6358         translate_isl_ast_to_gimple::get_def_bb_for_const,
6359         translate_isl_ast_to_gimple::get_new_name,
6360         translate_isl_ast_to_gimple::collect_all_ssa_names,
6361         translate_isl_ast_to_gimple::copy_loop_phi_args,
6362         translate_isl_ast_to_gimple::collect_all_ssa_names,
6363         translate_isl_ast_to_gimple::copy_loop_phi_args,
6364         translate_isl_ast_to_gimple::copy_loop_phi_nodes,
6365         translate_isl_ast_to_gimple::add_close_phis_to_merge_points,
6366         translate_isl_ast_to_gimple::add_close_phis_to_outer_loops,
6367         translate_isl_ast_to_gimple::copy_loop_close_phi_args,
6368         translate_isl_ast_to_gimple::copy_loop_close_phi_nodes,
6369         translate_isl_ast_to_gimple::copy_cond_phi_args,
6370         translate_isl_ast_to_gimple::copy_cond_phi_nodes,
6371         translate_isl_ast_to_gimple::edge_for_new_close_phis,
6372         translate_isl_ast_to_gimple::add_phi_arg_for_new_expr,
6373         translate_isl_ast_to_gimple::rename_uses,
6374         translate_isl_ast_to_gimple::rename_all_uses): Remove.
6375         (translate_isl_ast_to_gimple::get_rename_from_scev): Simplify.
6376         (set_rename_for_each_def): Likewise.
6377         (graphite_copy_stmts_from_block): Handle debug stmt resetting
6378         here.  Handle rewriting SCEV analyzable uses here.
6379         (copy_bb_and_scalar_dependences): Generate code for PHI
6380         copy-in/outs.
6381         (graphite_regenerate_ast_isl): Adjust.
6382         * graphite-scop-detection.c (trivially_empty_bb_p): Move to sese.[ch].
6383         (add_write, add_read): New functions.
6384         (build_cross_bb_scalars_def): Use it and simplify.
6385         (build_cross_bb_scalars_use): Likewise.
6386         (graphite_find_cross_bb_scalar_vars): Inline into...
6387         (try_generate_gimple_bb): ...here.  Add dependences for PHIs,
6388         simulating out-of-SSA.  Compute liveout and add dependencies.
6389         (build_scops): Force an empty entry block.
6390         * sese.h (sese_info_t::liveout, sese_info_t::debug_liveout): New
6391         members.
6392         (sese_build_liveouts): Declare.
6393         (sese_trivially_empty_bb_p): Likewise.
6394         * sese.c (sese_build_liveouts_bb): Properly handle PHIs,
6395         compute liveout and debug_liveout.
6396         (sese_bad_liveouts_use): Remove.
6397         (sese_reset_debug_liveouts_bb): Likewise.
6398         (sese_reset_debug_liveouts): Rewrite in terms of debug_liveout.
6399         (sese_build_liveouts): Build liveout and debug_liveout and store
6400         it in region.
6401         (new_sese_info): Adjust.
6402         (free_sese_info): Likewise.
6403         (sese_insert_phis_for_liveouts): Reset debug stmts from here,
6404         do not build liveout here.
6405         (move_sese_in_condition): Adjust region entry.
6406         (scev_analyzable_p): Match up with chrec_apply requirements.
6407         (sese_trivially_empty_bb_p): New.
6408         * tree-into-ssa.c (get_reaching_def): Properly support generating
6409         default-defs for incremental rewrite of anonymous names.
6411 2017-10-06  Richard Biener  <rguenther@suse.de>
6413         * graphite-sese-to-poly.c (extract_affine): For casts increasing
6414         precision do not perform modulo reduction.
6416 2017-10-06  Richard Biener  <rguenther@suse.de>
6418         PR tree-optimization/82436
6419         * tree-vect-slp.c (vect_supported_load_permutation_p): More
6420         conservatively choose the vectorization factor when checking
6421         whether we can perform the required load permutation.
6422         (vect_transform_slp_perm_load): Assert when we may not fail.
6424 2017-10-05  Segher Boessenkool  <segher@kernel.crashing.org>
6426         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Correct error
6427         message for incompatible -msdata=* and -mcall-* options.
6429 2017-10-05  Jan Hubicka <hubicka@ucw.cz>
6431         * config/i386/i386.c (ia32_multipass_dfa_lookahead): Default to issue
6432         rate for post-reload scheduling.
6434 2017-10-05  Tamar Christina  <tamar.christina@arm.com>
6436         * doc/sourcebuild.texi (vect_sizes_16B_8B, vect_sizes_32B_16B): New.
6438 2017-10-05  Jan Hubicka <hubicka@ucw.cz>
6440         * config/i386/i386.c (znver1_cost): Set branch_cost to 3 (instead of 2)
6441         to improve monte carlo in scimark.
6443 2017-10-05  Jan Hubicka <hubicka@ucw.cz>
6445         * config/i386/i386.c (ix86_size_cost, i386_cost, i486_cost,
6446         pentium_cost, lakemont_cost, pentiumpro_cost, geode_cost, k6_cost,
6447         athlon_cost, k8_cost, amdfam10_cost, btver1_cost, btver2_cost,
6448         pentium4_cost, nocona_cost): Set reassociation width to 1.
6449         (bdver1_cost, bdver2_cost, bdver3_cost, bdver4_cost): Set reassociation
6450         width to 2 for fp operations and 1 otherwise.
6451         (znver1_cost): Set scalar reassoc width to 4 and vector to 3 and 6
6452         for int and fp.
6453         (atom_cost): Set reassociation width to 2.
6454         (slm_cost, generic_cost): Set fp reassociation width
6455         to 2 and 1 otherwise.
6456         (intel_cost): Set fp reassociation width to 4 and 1 otherwise.
6457         (core_cost): Set fp reassociation width to 4 and vector to 2.
6458         (ix86_reassociation_width): Rewrite using cost table; special case
6459         plus/minus on Zen; honor X86_TUNE_SSE_SPLIT_REGS
6460         and TARGET_AVX128_OPTIMAL.
6461         * config/i386/i386.h (processor_costs): Add
6462         reassoc_int, reassoc_fp, reassoc_vec_int, reassoc_vec_fp.
6463         (TARGET_VECTOR_PARALLEL_EXECUTION, TARGET_REASSOC_INT_TO_PARALLEL,
6464         TARGET_REASSOC_FP_TO_PARALLEL): Remove.
6465         * x86-tune.def (X86_TUNE_REASSOC_INT_TO_PARALLEL): Remove.
6466         (X86_TUNE_REASSOC_FP_TO_PARALLEL): Remove.
6467         (X86_TUNE_VECTOR_PARALLEL_EXECUTION):  Remove.
6469 2017-10-05  Nathan Sidwell  <nathan@acm.org>
6471         * doc/invoke.texi (Wparentheses): Document C++ MVP behaviour.
6473 2017-10-05  Tamar Christina  <tamar.christina@arm.com>
6475         * config/arm/arm.c (arm_test_fpu_data): New.
6476         (arm_run_selftests): Call arm_test_fpu_data.
6478 2017-10-04  Nathan Sidwell  <nathan@acm.org>
6480         * toplev.c (toplev::main): Remove excess parens on pretty_printer
6481         decl.
6482         * caller-save.c (insert_save): Remove excess parens on TO_SAVE parm.
6484 2017-10-04  Sudakshina Das  <sudi.das@arm.com>
6486         * config/aarch64/aarch64-protos.h (enum simd_immediate_check): New
6487         check type for aarch64_simd_valid_immediate.
6488         (aarch64_output_simd_mov_immediate): Update prototype.
6489         (aarch64_simd_valid_immediate): Update prototype.
6490         * config/aarch64/aarch64-simd.md (orr<mode>3): modified pattern to add
6491         support for ORR-immediate.
6492         (and<mode>3): modified pattern to add support for BIC-immediate.
6493         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Function
6494         now checks for valid immediate for BIC and ORR based on new enum
6495         argument.
6496         (aarch64_output_simd_mov_immediate): Function now used to output
6497         BIC/ORR imm as well based on new enum argument.
6498         * config/aarch64/constraints.md (Do): New vector immediate constraint.
6499         (Db) : Likewise.
6500         * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): New predicate.
6501         (aarch64_reg_or_bic_imm): Likewise.
6503 2017-10-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6505         * config/s390/vx-builtins.md ("vec_mergeh<mode>")
6506         ("vec_mergel<mode>"): Change mode iterator to V_128_NOSINGLE.
6508 2017-10-04  Wilco Dijkstra  <wdijkstr@arm.com>
6510         Revert r253399:
6512         PR rtl-optimization/82396
6513         * haifa-sched.c (autopref_multipass_init): Simplify
6514         initialization.
6515         (autopref_rank_data): Simplify sort order.
6516         * sched-int.h (autopref_multipass_data_): Remove
6517         multi_mem_insn_p, min_offset and max_offset.
6519 2017-10-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6521         * doc/sourcebuild.texi: Document vect_peeling_profitable.
6523 2017-10-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6525         * doc/sourcebuild.texi: Document vect_intdouble_cvt and
6526         vect_doubleint_cvt.
6528 2017-10-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6530         * doc/sourcebuild.texi: Document vect_long_mult.
6532 2017-10-04  Richard Sandiford  <richard.sandiford@linaro.org>
6534         PR tree-optimization/82413
6535         * fold-const.c (build_range_check): Use widest_int when comparing
6536         the maximum ETYPE value with HIGH.
6538 2017-10-04  Wilco Dijkstra  <wdijkstr@arm.com>
6540         PR rtl-optimization/82396
6541         * haifa-sched.c (autopref_multipass_init): Simplify
6542         initialization.
6543         (autopref_rank_data): Simplify sort order.
6544         * sched-int.h (autopref_multipass_data_): Remove
6545         multi_mem_insn_p, min_offset and max_offset.
6547 2017-10-04  Jakub Jelinek  <jakub@redhat.com>
6549         PR tree-optimization/82381
6550         * tree-ssa-reassoc.c (sort_by_operand_rank): Check for different
6551         oeN->rank first.  Return 1 or -1 if one op is SSA_NAME and the other
6552         is not.
6554         PR tree-optimization/82374
6555         * omp-low.c (create_omp_child_function): Copy DECL_ATTRIBUTES,
6556         DECL_FUNCTION_SPECIFIC_OPTIMIZATION,
6557         DECL_FUNCTION_SPECIFIC_TARGET and DECL_FUNCTION_VERSIONED from
6558         current_function_decl to the new decl.
6560 2017-10-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6562         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2_HW): Define new
6563         helper macro for IEEE float128 hardware built-in functions.
6564         (SQRTF128_ODD): Add built-in functions with the round-to-odd
6565         semantics.
6566         (TRUNCF128_ODD): Likewise.
6567         (ADDF128_ODD): Likewise.
6568         (SUBF128_ODD): Likewise.
6569         (MULF128_ODD): Likewise.
6570         (DIVF128_ODD): Likewise.
6571         (FMAF128_ODD): Likewise.
6572         * config/rs6000/rs6000.md (UNSPEC_ROUND_TO_ODD): Rename to
6573         UNSPEC_TRUNC_ROUND_TO_ODD.
6574         (UNSPEC_TRUNC_ROUND_TO_ODD): Likewise.
6575         (UNSPEC_ADD_ROUND_TO_ODD): New unspec codes for the IEEE 128-bit
6576         floating point round to odd instructions.
6577         (UNSPEC_SUB_ROUND_TO_ODD): Likewise.
6578         (UNSPEC_MUL_ROUND_TO_ODD): Likewise.
6579         (UNSPEC_DIV_ROUND_TO_ODD): Likewise.
6580         (UNSPEC_FMA_ROUND_TO_ODD): Likewise.
6581         (UNSPEC_SQRT_ROUND_TO_ODD): Likewise.
6582         (trunc<mode>sf2_hw): Change the truncate with round to odd
6583         expansion to use UNSPEC_TRUNC_ROUND_TO_ODD.
6584         (add<mode>3_odd): Add insns for IEEE 128-bit floating point round
6585         to odd hardware instructions.
6586         (sub<mode>3_odd): Likewise.
6587         (mul<mode>3_odd): Likewise.
6588         (div<mode>3_odd): Likewise.
6589         (sqrt<mode>2_odd): Likewise.
6590         (fma<mode>4_odd): Likewise.
6591         (fms<mode>4_odd): Likewise.
6592         (nfma<mode>4_odd): Likewise.
6593         (nfms<mode>4_odd): Likewise.
6594         (trunc<mode>df2_odd): Change the truncate with round to odd
6595         expansion to use UNSPEC_TRUNC_ROUND_TO_ODD.  Add a generator
6596         function.
6597         * doc/extend.texi (PowerPC built-in functions): Update documentation
6598         for existing IEEE float128-bit built-in functions.  Add built-in
6599         functions that generate the IEEE 128-bit floating point round to
6600         odd instructions.
6602 2017-10-03  Segher Boessenkool  <segher@kernel.crashing.org>
6604         PR rtl-optimization/77729
6605         * simplify-rtx.c (simplify_binary_operation_1): Delete the (X&C1)|C2
6606         to (X&(C1&~C2))|C2 transformations.
6608 2017-10-03  Martin Jambor  <mjambor@suse.cz>
6610         PR tree-optimization/82363
6611         * tree-sra.c (propagate_subaccesses_across_link): In unrecoverable
6612         mismatch, mark lacc written regardless of racc.
6614 2017-10-03  Jakub Jelinek  <jakub@redhat.com>
6616         PR tree-optimization/82381
6617         * tree-ssa-reassoc.c (sort_by_operand_rank): Don't check
6618         stmt_to_insert nor wheather SSA_NAMEs are default defs.
6619         Return 1 or -1 if one of bba and bbb is NULL. If bb_rank is equal,
6620         fallthrough into reassoc_stmt_dominates_stmt_p.
6622         PR target/82386
6623         * combine.c (combine_instructions): Don't combine in unreachable
6624         basic blocks.
6626 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
6628         PR target/80210
6629         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rewrite
6630         function to not use the have_cpu variable.  Do not set cpu_index,
6631         rs6000_cpu_index or rs6000_tune_index if we end up using TARGET_DEFAULT
6632         or the default cpu.
6633         (rs6000_valid_attribute_p): Remove duplicate initializations of
6634         old_optimize and func_optimize.
6635         (rs6000_pragma_target_parse): Call rs6000_activate_target_options ().
6636         (rs6000_activate_target_options): Make global.
6637         * config/rs6000/rs6000-protos.h (rs6000_activate_target_options): Add
6638         prototype.
6640 2017-10-02  Jakub Jelinek  <jakub@redhat.com>
6642         * tree-dfa.c (get_ref_base_and_extent): Set *pmax_size to -1
6643         if *poffset + *pmax_size overflows in HOST_WIDE_INT.
6644         Set *poffset to 0 and *psize and *pmax_size to -1 if
6645         *poffset + *psize overflows in HOST_WIDE_INT.
6647         PR tree-optimization/82387
6648         PR tree-optimization/82388
6649         PR tree-optimization/82389
6650         * tree-ssa-dse.c (dse_classify_store): Test byte_tracking_enabled
6651         instead of live_bytes non-NULL.
6653 2017-10-02  Georg-Johann Lay  <avr@gjlay.de>
6655         PR target/41076
6656         * confg/avr/avr.md (*iorhi3.ashift8-ext.zerox): Add "r,r,0"
6657         alternative.
6659 2017-10-02  Richard Biener  <rguenther@suse.de>
6661         * graphite-isl-ast-to-gimple.c (set_codegen_error): With
6662         -fchecking and --param graphite-allow-codegen-errors=0 ICE.
6663         * params.def (PARAM_GRAPHITE_ALLOW_CODEGEN_ERRORS): New param.
6665 2017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>
6667         * tree.h (wi::int_traits <const_tree>::decompose): Assert that the
6668         requested precision matches the type's.
6669         * calls.c (alloc_max_size): Calculate the new candidate size as
6670         a widest_int and use wi::to_widest when comparing it with the
6671         current candidate size.
6672         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Compare with
6673         zero rather than integer_zero_node.
6674         * match.pd: Check for a no-op conversion before using wi::add
6675         rather than after.  Use tree_to_uhwi when summing small shift
6676         counts into an unsigned int.
6678 2017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>
6679             Alan Hayward  <alan.hayward@arm.com>
6680             David Sherwood  <david.sherwood@arm.com>
6682         PR target/71307
6683         * config/aarch64/aarch64.h (POINTER_AND_FP_REGS): New reg class.
6684         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
6685         * config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle
6686         POINTER_AND_FP_REGS.
6688 2017-10-02  Richard Biener  <rguenther@suse.de>
6690         PR tree-optimization/82355
6691         * graphite-isl-ast-to-gimple.c (build_iv_mapping): Also build
6692         a mapping for the enclosing loop but avoid generating one for
6693         the loop tree root.
6694         (copy_bb_and_scalar_dependences): Remove premature codegen
6695         error on PHIs in blocks duplicated into multiple places.
6696         * graphite-scop-detection.c
6697         (scop_detection::stmt_has_simple_data_refs_p): For a loop not
6698         in the region use it as loop and nest to analyze the DR in.
6699         (try_generate_gimple_bb): Likewise.
6700         * graphite-sese-to-poly.c (extract_affine_chrec): Adjust.
6701         (add_loop_constraints): For blocks in a loop not in the region
6702         create a dimension with a single iteration.
6703         * sese.h (gbb_loop_at_index): Remove assert.
6705 2017-10-01  Kevin Buettner  <kevinb@redhat.com>
6707         * omp-expand.c (adjust_context_scope): New function.
6708         (expand_parallel_call): Call adjust_context_scope.
6710 2017-10-01  Jeff Law  <law@redhat.com>
6712         * tree-ssa-dom.c (optimize_stmt): Make this a method within the
6713         dom_opt_dom_walker class with direct access to private members.
6714         Add comments.  Call test_for_singularity.
6715         (dom_opt_dom_walker::before_dom_children): Corresponding changes.
6716         (dom_opt_dom_walker::after_dom_children): Do not lazily initialize
6717         m_dummy_cond anymore.
6718         (class dom_opt_dom_walker): Initialize m_dummy_cond member in the
6719         class ctor.
6720         (pass_dominator:execute): Build the dummy_cond here and pass it
6721         to the dom_opt_dom_walker ctor.
6722         (test_for_singularity): New function.
6724 2017-09-30  Krister Walfridsson  <krister.walfridsson@gmail.com>
6725             Maya Rashish  <coypu@sdf.org>
6727         * config.gcc (*-*-netbsd*): New variable nbsd_tm_file containing
6728         netbsd.h, netbsd-stdint.h, and netbsd-elf.h.
6729         (alpha*-*-netbsd*) Use nbsd_tm_file.
6730         (arm*-*-netbsdelf*) Likewise.
6731         (i[34567]86-*-netbsdelf*) Likewise.
6732         (x86_64-*-netbsd*) Likewise.
6733         (mips*-*-netbsd*) Likewise.
6734         (powerpc-*-netbsd*) Likewise.
6735         (sh*-*-netbsd*) Likewise.
6736         (sparc-*-netbsdelf*) Likewise.
6737         (sparc64-*-netbsd*) Likewise.
6738         (m68k*-*-netbsdelf*) Use nbsd_tm_file and add CHAR_FAST8/SHORT_FAST16
6739         to tm_defines.
6740         (vax-*-netbsdelf*) Likewise.
6741         * config/netbsd-stdint.h (INT_FAST8_TYPE): Check CHAR_FAST8.
6742         (UINT_FAST8_TYPE) Likewise.
6743         (INT_FAST16_TYPE) Check CHAR_FAST16.
6744         (UINT_FAST16_TYPE) Likewise.
6746 2017-09-30  Jakub Jelinek  <jakub@redhat.com>
6748         PR target/82361
6749         * config/i386/i386.md
6750         (TARGET_USE_8BIT_IDIV zext divmodsi4 splitter): New define_split.
6751         (divmodsi4_zext_1, divmodsi4_zext_2, *divmodsi4_zext_1,
6752         *divmodsi4_zext_2): New define_insn_and_split.
6753         (*divmodsi4_noext_zext_1, *divmodsi4_noext_zext_2): New define_insn.
6754         (TARGET_USE_8BIT_IDIV zext udivmodsi4 splitter): New define_split.
6755         (udivmodsi4_zext_1, udivmodsi4_zext_2, *udivmodsi4_zext_1,
6756         *udivmodsi4_zext_2, *udivmodsi4_pow2_zext_1, *udivmodsi4_pow2_zext_2):
6757         New define_insn_and_split.
6758         (*udivmodsi4_noext_zext_1, *udivmodsi4_noext_zext_2): New define_insn.
6759         * config/i386/i386.c (ix86_split_idivmod): Handle operands[0] or
6760         operands[1] having DImode when mode is SImode.
6762         * config/i386/i386.c (ix86_split_idivmod): Use mode instead of
6763         always SImode for DIV and MOD in REG_EQUAL notes.
6765 2017-09-29  Yury Gribov  <tetra2005@gmail.com>
6767         PR middle-end/82319
6768         * match.pd: Fix handling of NaNs in pattern.
6770 2017-09-29  Jeff Law  <law@redhat.com>
6772         * sbitmap.c (bitmap_bit_in_range_p): New function.
6773         * sbitmap.h (bitmap_bit_in_range_p): Prototype.
6774         * tree-ssa-dse.c (live_bytes_read): New function.
6775         (dse_classify_store): Ignore reads of dead bytes.
6777         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Fix
6778         typos and whitespace errors.
6779         * config/i386/predicates.md (address_no_seg_operand): Likewise.
6780         * config/s390/s390.c (s390_emit_prologue): Likewise.
6782 2017-09-29  Vladimir Makarov  <vmakarov@redhat.com>
6784         PR target/81481
6785         * ira-costs.c (scan_one_insn): Don't take into account PIC equiv
6786         with a symbol for LRA.
6788 2017-09-29  Vladimir Makarov  <vmakarov@redhat.com>
6790         PR rtl-optimization/82338
6791         * lra-constraints.c (inherit_in_ebb): Check usage_insns check.
6793 2017-09-29  Alexander Monakov  <amonakov@ispras.ru>
6795         * genmodes.c (calc_wider_mode): Suppress qsort macro.
6796         * system.h [CHECKING_P] (qsort): Redirect to qsort_chk.
6797         (qsort_chk): Declare.
6798         * vec.c [CHECKING_P] (qsort_chk_error): New static function.
6799         (qsort_chk): New function.
6801 2017-09-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6803         PR tree-optimization/82337
6804         * gimple-ssa-strength-reduction.c (find_phi_def): Don't record a
6805         phi definition if the PHI result appears in an abnormal PHI.
6806         (find_basis_for_base_expr): Don't record a basis if the LHS of the
6807         basis appears in an abnormal PHI.
6809 2017-09-29  Richard Biener  <rguenther@suse.de>
6811         * graphite-isl-ast-to-gimple.c
6812         (translate_isl_ast_to_gimple::set_codegen_error): New function.
6813         (binary_op_to_tree): Use it.
6814         (get_rename_from_scev): Likewise.
6815         (copy_loop_phi_nodes): Likewise.
6816         (copy_bb_and_scalar_dependences): Likewise.
6817         (translate_pending_phi_nodes): Likewise.
6819 2017-09-29  Jakub Jelinek  <jakub@redhat.com>
6821         PR target/82339
6822         * config/i386/i386.md (*movdi_internal peephole2): New -Os peephole
6823         for movabsq $(i32 << shift), r64.
6825 2017-09-28  Uros Bizjak  <ubizjak@gmail.com>
6827         * config/i386/i386.c (ix86_print_operand_address_as): Do not check
6828         index when encoding %esp as %rsp to avoid 0x67 prefix.
6830 2017-09-28  Sergey Shalnov  <Sergey.Shalnov@intel.com>
6832         * config/i386/i386.md (*movsf_internal, *movdf_internal):
6833         Return 256-bit AVX modes for TARGET_PREFER_AVX256.
6835 2017-09-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6837         * config/arm/arm.c (arm_option_override): Forbid ARMv8-M Security
6838         Extensions with more than 16 double VFP registers.
6839         (cmse_nonsecure_entry_clear_before_return): Remove second entry of
6840         to_clear_mask and all code related to it.  Replace the remaining
6841         entry by a sbitmap and adapt code accordingly.
6843 2017-09-28  Henry Linjamäki  <henry.linjamaki@parmance.com>
6845         * brig-builtins.def: Change pure attributes to const.
6847 2017-09-28  Joseph Myers  <joseph@codesourcery.com>
6849         * config.gcc (default_gnu_indirect_function): Default to yes for
6850         sparc*-*-linux* with glibc.
6852 2017-09-28  Joseph Myers  <joseph@codesourcery.com>
6854         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor)
6855         (aarch64_elf_asm_destructor): Pass SECTION_NOTYPE to get_section
6856         when creating .init_array and .fini_array sections with priority
6857         specified.
6859 2017-09-27  Christophe Lyon  <christophe.lyon@linaro.org>
6861         PR target/71727
6862         * config/aarch64/aarch64.c
6863         (aarch64_builtin_support_vector_misalignment): Always return false
6864         when misalignment is unknown.
6866 2017-09-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6868         * config/rs6000/rs6000-p8swap.c (const_load_sequence_p): Revise
6869         this function to return false if the definition used by the swap
6870         instruction is artificial, or if the memory address from which the
6871         constant value is loaded is not represented by a base address held
6872         in a register or if the base address register is a frame or stack
6873         pointer.  Additionally, return false if the base address of the
6874         loaded constant is a SYMBOL_REF but is not considered to be a
6875         constant.
6876         (replace_swapped_load_constant): New function.
6877         (rs6000_analyze_swaps): Add a new pass to replace a swap of a
6878         loaded constant vector with a load of a swapped constant vector.
6880 2017-09-27  Carl Love  <cel@us.ibm.com>
6882         * config/rs6000/rs6000-builtin.def (BU_FP_1MISC_1): Add define macro.
6883         (FCTID, FCTIW): Add BU_FP_MISC_1 macro expansion for builtins.
6884         * config/rs6000/rs6000.md (lrintsfsi2): Add define_insn for the
6885         fctiw instruction.
6887 2017-09-27  Alexander Monakov  <amonakov@ispras.ru>
6889         * haifa-sched.c (autopref_rank_for_schedule): Order 'irrelevant' insns
6890         first, always call autopref_rank_data otherwise.
6892 2017-09-27  Richard Biener  <rguenther@suse.de>
6894         * graphite-scop-detection.c (find_scop_parameters): Move
6895         loop bound handling ...
6896         (gather_bbs::before_dom_children): ... here, avoiding the need
6897         to build scop_info->loop_nest.
6898         (record_loop_in_sese): Remove.
6899         * sese.h (sese_info_t::loop_nest): Remove.
6900         * sese.c (new_sese_info): Do not allocate loop_nest.
6901         (free_sese_info): Do not free loop_nest.
6903 2017-09-27  Jakub Jelinek  <jakub@redhat.com>
6905         PR c++/82159
6906         * gimplify.c (gimplify_modify_expr): Don't optimize away zero sized
6907         lhs from calls if the lhs has addressable type.
6909 2017-09-27  Richard Biener  <rguenther@suse.de>
6911         * graphite.h (scop::max_alias_set): New member.
6912         * graphite-scop-detection.c: Remove references to non-existing
6913         --param in comments.
6914         (build_alias_sets): Record the maximum alias set used for drs.
6915         (build_scops): Support zero as unlimited for
6916         --param graphite-max-arrays-per-scop.
6917         * graphite-sese-to-poly.c (add_scalar_version_numbers): Remove
6918         and inline into ...
6919         (build_poly_sr_1): ... here.  Compute alias set based on the
6920         maximum alias set used for drs rather than
6921         PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP
6923 2017-09-27  Richard Biener  <rguenther@suse.de>
6925         * graphite-optimize-isl.c (get_schedule_for_node_st): Allow
6926         --param loop-block-tile-size=0 to disable tiling.
6928 2017-09-27  Richard Biener  <rguenther@suse.de>
6930         * doc/invoke.texi (graphite-max-bbs-per-function): Remove.
6931         (graphite-max-nb-scop-params): Document special value zero.
6932         * domwalk.h (dom_walker::STOP): New symbolical constant.
6933         (dom_walker::dom_walker): Add optional parameter for bb to
6934         RPO mapping.
6935         (dom_walker::~dom_walker): Declare.
6936         (dom_walker::before_dom_children): Document STOP return value.
6937         (dom_walker::m_user_bb_to_rpo): New member.
6938         (dom_walker::m_bb_to_rpo): Likewise.
6939         * domwalk.c (dom_walker::dom_walker): Compute bb to RPO
6940         mapping here if not provided by the user.
6941         (dom_walker::~dom_walker): Free bb to RPO mapping if not
6942         provided by the user.
6943         (dom_walker::STOP): Define.
6944         (dom_walker::walk): Do not compute bb to RPO mapping here.
6945         Support STOP return value from before_dom_children to stop
6946         walking.
6947         * graphite-optimize-isl.c (optimize_isl): If the schedule
6948         is the same still generate code if -fgraphite-identity
6949         or -floop-parallelize-all are given.
6950         * graphite-scop-detection.c: Include cfganal.h.
6951         (gather_bbs::gather_bbs): Get and pass through bb to RPO
6952         mapping.
6953         (gather_bbs::before_dom_children): Return STOP for BBs
6954         not in the region.
6955         (build_scops): Compute bb to RPO mapping and pass it to
6956         the domwalk.  Treat --param graphite-max-nb-scop-params=0
6957         as not limiting the number of params.
6958         * graphite.c (graphite_initialize): Remove limit on the
6959         number of basic-blocks in a function.
6960         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Remove.
6961         (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Adjust to documented
6962         default value of 10.
6964 2017-09-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6966         * config/rs6000/vsx.md (peephole for optimizing move SF to GPR):
6967         Adjust code to eliminate needing to do the shift right 32-bits
6968         operation after XSCVDPSPN.
6970 2017-09-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6972         * match.pd ((X / Y) == 0 -> X < Y): New pattern.
6973         ((X / Y) != 0 -> X >= Y): Likewise.
6975 2017-09-26  Carl Love  <cel@us.ibm.com>
6977         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VEC_XL_LEN_R,
6978         P9V_BUILTIN_VEC_XST_LEN_R): Add support for builtins
6979         vector unsigned char vec_xl_len_r (unsigned char *, size_t);
6980         void vec_xst_len_r (vector unsigned char, unsigned char *, size_t);
6981         * config/rs6000/altivec.h (vec_xl_len_r, vec_xst_len_r): Add defines.
6982         * config/rs6000/rs6000-builtin.def (XL_LEN_R, XST_LEN_R): Add
6983         definitions and overloading.
6984         * config/rs6000/rs6000.c (altivec_expand_builtin): Add case
6985         statement for P9V_BUILTIN_XST_LEN_R.
6986         (altivec_init_builtins): Add def_builtin for P9V_BUILTIN_STXVLL.
6987         * config/rs6000/vsx.md (lxvll, stxvll, xl_len_r, xst_len_r): Add
6988         define_expand and define_insn for the instructions and builtins.
6989         * doc/extend.texi: Update the built-in documentation file for the new
6990         built-in functions.
6991         * config/rs6000/altivec.md (altivec_lvsl_reg, altivec_lvsr_reg): Add
6992         define_insn for the instructions
6994 2017-09-26  Krister Walfridsson  <krister.walfridsson@gmail.com>
6996         PR target/39570
6997         * gcc/config/netbsd-protos.h: New file.
6998         * gcc/config/netbsd.c: New file.
6999         * gcc/config/netbsd.h (SUBTARGET_INIT_BUILTINS): Define.
7000         * gcc/config/t-netbsd: New file.
7001         * gcc/config.gcc (tm_p_file): Add netbsd-protos.h.
7002         (tmake_file) Add t-netbsd.
7003         (extra_objs) Add netbsd.o.
7005 2017-09-26  Janus Weil  <janus@gcc.gnu.org>
7007         PR fortran/82143
7008         PR fortran/82324
7009         * doc/sourcebuild.texi: Document fortran_real_10 and fortran_real_16.
7011 2017-09-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7013         * config/rs6000/rs6000.md (extendsi<mode>2): Add a splitter to do
7014         sign extension from a vector register to a GPR by doing a 32-bit
7015         direct move and then an EXTSW.
7016         (extendsi<mode>2 splitter): Likewise.
7017         (movsi_from_sf): Adjust code to eliminate doing a 32-bit shift
7018         right or vector extract after doing XSCVDPSPN.  Use
7019         zero_extendsidi2 instead of p8_mfvsrd_4_disf to move the value to
7020         the GPRs.
7021         (movdi_from_sf_zero_ext): Likewise.
7022         (reload_gpr_from_vsxsf): Likewise.
7023         (p8_mfvsrd_4_disf): Delete, no longer used.
7024         (movsi_from_df): Optimize converting a DFmode to a SFmode, and
7025         then needing to move the SFmode to a GPR to use the XSCVDPSP
7026         instruction instead of FRSP and XSCVDPSPN.
7027         * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Move insn so that
7028         it is adjacent to the other XSCVSPDP insns.
7029         (vsx_xscvdpsp_scalar): Use "ww" constraint instead of "f" to allow
7030         SFmode to be in traditional Altivec registers.
7031         (vsx_xscvdpspn): Eliminate useless alternative constraint.
7032         (vsx_xscvspdpn): Likewise.
7033         (vsx_xscvspdpn_scalar): Likewise.
7035 2017-09-26  Martin Jambor  <mjambor@suse.cz>
7037         * tree-sra.c (compare_access_positions): Put integral types first,
7038         stabilize sorting of integral types, remove conditions putting
7039         non-full-precision integers last.
7040         (sort_and_splice_var_accesses): Disable scalarization if a
7041         non-integert would be represented by a non-full-precision integer.
7043 2017-09-26  Joseph Myers  <joseph@codesourcery.com>
7045         * config/microblaze/linux.h (TARGET_ASM_FILE_END): Likewise.
7046         * config/pa/pa.h (NEED_INDICATE_EXEC_STACK): Likewise.
7047         * config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Likewise.
7048         * config/pa/pa.c (pa_hpux_file_end): Rename to pa_file_end.
7049         Define unconditionally, with [ASM_OUTPUT_EXTERNAL_REAL]
7050         conditionals inside the function instead of around it.  Call
7051         file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK.
7052         (TARGET_ASM_FILE_END): Define unconditionally to pa_file_end.
7054 2017-09-26  Richard Biener  <rguenther@suse.de>
7056         * graphite-scop-detection.c (scop_detection::build_scop_depth): Rewrite,
7057         fold in ...
7058         (scop_detection::build_scop_breadth): ... this.  Removed.
7059         (scop_detection::loop_is_valid_in_scop): Fold into single caller.
7060         (scop_detection::harmful_stmt_in_bb): Likewise.
7061         (scop_detection::graphite_can_represent_stmt): Likewise.
7062         (scop_detection::loop_body_is_valid_scop): Likewise.  Remove recursion.
7063         (scop_detection::can_represent_loop): Remove recursion, fold in ...
7064         (scop_detection::can_represent_loop_1): ... this.  Removed.
7065         (scop_detection::harmful_loop_in_region): Simplify after inlining
7066         the above and remove more quadraticness.
7067         (build_scops): Adjust.
7068         * tree-data-ref.c (loop_nest_has_data_refs): Remove pointless
7069         quadraticness.
7071 2017-09-26  Jakub Jelinek  <jakub@redhat.com>
7073         PR target/82267
7074         * config/i386/i386.c (ix86_print_operand_address_as): Only test
7075         REGNO (base) == SP_REG if base is a REG.
7077         PR middle-end/35691
7078         * tree-ssa-reassoc.c (update_range_test): Dump r->exp each time
7079         if it is different SSA_NAME.
7080         (optimize_range_tests_cmp_bitwise): New function.
7081         (optimize_range_tests): Call it.
7083 2017-09-26  Richard Biener  <rguenther@suse.de>
7085         PR tree-optimization/82321
7086         * graphite.c (canonicalize_loop_closed_ssa): Properly check
7087         for the def being inside the loop.
7089 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7091         * config/s390/vx-builtins.md ("vmslg"): Add missing operand in
7092         assembler output.
7093         * config/s390/s390-builtins.def: Fix constraint on op4.
7095 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7097         * config/s390/s390.c (s390_expand_vec_compare): Use the new mode
7098         independent expanders.
7099         * config/s390/vector.md ("vec_cmpuneq", "vec_cmpltgt")
7100         ("vec_ordered", "vec_unordered"): New expanders.
7102 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7104         * config/s390/s390.c (s390_preferred_simd_mode): Return V4SFmode
7105         for SFmode.
7107 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7109         * config/s390/vector.md ("vec_unpacks_low_v16qi"): Rename to
7110         vec_unpacks_lo_v16qi.
7111         ("vec_unpacku_low_v16qi"): Rename to vec_unpacku_lo_v16qi.
7113 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7115         * config/s390/vector.md ("vec_unpacks_lo_v4sf")
7116         ("vec_unpacks_hi_v4sf", "vec_unpacks_lo_v2df")
7117         ("vec_unpacks_hi_v2df", "vec_pack_trunc_v2df"): New expanders.
7119 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7121         * config/s390/predicates.md ("const_shift_by_byte_operand"): New
7122         predicate.
7123         * config/s390/vector.md ("*vec_srb<mode>"): Change modes to V_128
7124         and V16QI.
7125         ("*vec_slb<mode>"): New insn pattern.
7126         ("vec_shr_<mode>"): New expander.
7127         * config/s390/vx-builtins.md ("vec_slb<mode>"): Turn into expander
7128         and force the shift count operand to V16QImode.
7129         ("vec_srb<mode>"): Set shift count mode to V16QI.
7131 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7133         * config/s390/vector.md ("vec_widen_umult_lo_<mode>")
7134         ("vec_widen_umult_hi_<mode>", "vec_widen_smult_lo_<mode>")
7135         ("vec_widen_smult_hi_<mode>"): New expander definitions.
7137 2017-09-26  Richard Earnshaw  <rearnsha@arm.com>
7139         PR target/82175
7140         * config/arm/arm.h (DRIVER_SELF_SPECS): Separate sub-rules with commas.
7142 2017-09-26  Richard Biener  <rguenther@suse.de>
7144         PR tree-optimization/82320
7145         * tree-ssa-sccvn.c (set_ssa_val_to): Changing undef to undef
7146         isn't a change.
7148 2017-09-25  Jeff Law  <law@redhat.com>
7150         * config/rs6000/rs6000-protos.h (output_probe_stack_range): Update
7151         prototype for new argument.
7152         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack_1): New function,
7153         mostly extracted from rs6000_emit_allocate_stack.
7154         (rs6000_emit_probe_stack_range_stack_clash): New function.
7155         (rs6000_emit_allocate_stack): Call
7156         rs6000_emit_probe_stack_range_stack_clash as needed.
7157         (rs6000_emit_probe_stack_range): Add additional argument
7158         to call to gen_probe_stack_range{si,di}.
7159         (output_probe_stack_range): New.
7160         (output_probe_stack_range_1): Renamed from output_probe_stack_range.
7161         (output_probe_stack_range_stack_clash): New.
7162         (rs6000_emit_prologue): Emit notes into dump file as requested.
7163         * rs6000.md (allocate_stack): Handle -fstack-clash-protection.
7164         (probe_stack_range<P:mode>): Operand 0 is now early-clobbered.
7165         Add additional operand and pass it to output_probe_stack_range.
7167 2017-09-25  Bin Cheng  <bin.cheng@arm.com>
7169         PR tree-optimization/82163
7170         * tree-ssa-loop-manip.h (verify_loop_closed_ssa): New parameter.
7171         (checking_verify_loop_closed_ssa): New parameter.
7172         * tree-ssa-loop-manip.c (check_loop_closed_ssa_use): Delete.
7173         (check_loop_closed_ssa_stmt): Delete.
7174         (check_loop_closed_ssa_def, check_loop_closed_ssa_bb): New functions.
7175         (verify_loop_closed_ssa): Check loop closed ssa form for LOOP.
7176         (tree_transform_and_unroll_loop): Check loop closed ssa form only for
7177         changed loops.
7179 2017-09-25  Pekka Jaaskelainen <pekka@parmance.com>
7181         * brig-builtins.def: Treat HSAIL barrier builtins as
7182         setjmp/longjump style functions.
7184 2017-09-25  Richard Sandiford  <richard.sandiford@linaro.org>
7186         * target.def (constant_alignment): New hook.
7187         * defaults.h (CONSTANT_ALIGNMENT): Delete.
7188         * doc/tm.texi.in (CONSTANT_ALIGNMENT): Replace with...
7189         (TARGET_CONSTANT_ALIGNMENT): ...this new hook.
7190         * doc/tm.texi: Regenerate.
7191         * targhooks.h (default_constant_alignment): Declare.
7192         (constant_alignment_word_strings): Likewise.
7193         * targhooks.c (default_constant_alignment): New function.
7194         (constant_alignment_word_strings): Likewise.
7195         * builtins.c (get_object_alignment_2): Use targetm.constant_alignment
7196         instead of CONSTANT_ALIGNMENT.
7197         * varasm.c (align_variable, get_variable_align, build_constant_desc)
7198         (force_const_mem): Likewise.
7199         * config/aarch64/aarch64.h (CONSTANT_ALIGNMENT): Delete.
7200         * config/aarch64/aarch64.c (aarch64_constant_alignment): New function.
7201         (aarch64_classify_address): Call it instead of CONSTANT_ALIGNMENT.
7202         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7203         * config/alpha/alpha.h (CONSTANT_ALIGNMENT): Delete commented-out
7204         definition.
7205         * config/arc/arc.h (CONSTANT_ALIGNMENT): Delete.
7206         * config/arc/arc.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7207         constant_alignment_word_strings.
7208         * config/arm/arm.h (CONSTANT_ALIGNMENT_FACTOR): Delete.
7209         (CONSTANT_ALIGNMENT): Likewise.
7210         * config/arm/arm.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7211         (arm_constant_alignment): New function.
7212         * config/bfin/bfin.h (CONSTANT_ALIGNMENT): Delete.
7213         * config/bfin/bfin.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7214         constant_alignment_word_strings.
7215         * config/cr16/cr16.h (CONSTANT_ALIGNMENT): Delete.
7216         * config/cr16/cr16.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7217         constant_alignment_word_strings.
7218         * config/cris/cris.h (CONSTANT_ALIGNMENT): Delete.
7219         * config/cris/cris.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7220         (cris_constant_alignment): New function.
7221         * config/epiphany/epiphany.h (CONSTANT_ALIGNMENT): Delete.
7222         * config/epiphany/epiphany.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7223         (epiphany_constant_alignment): New function.
7224         * config/fr30/fr30.h (CONSTANT_ALIGNMENT): Delete.
7225         * config/fr30/fr30.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7226         constant_alignment_word_strings.
7227         * config/frv/frv.h (CONSTANT_ALIGNMENT): Delete.
7228         * config/frv/frv.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7229         constant_alignment_word_strings.
7230         * config/ft32/ft32.h (CONSTANT_ALIGNMENT): Delete.
7231         * config/ft32/ft32.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7232         constant_alignment_word_strings.
7233         * config/i386/i386.h (CONSTANT_ALIGNMENT): Delete.
7234         * config/i386/i386-protos.h (ix86_constant_alignment): Delete.
7235         * config/i386/i386.c (ix86_constant_alignment): Make static.
7236         Use the same interface as the target hook.
7237         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7238         * config/ia64/ia64.h (CONSTANT_ALIGNMENT): Delete.
7239         * config/ia64/ia64.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7240         constant_alignment_word_strings.
7241         * config/iq2000/iq2000.h (CONSTANT_ALIGNMENT): Delete.
7242         * config/iq2000/iq2000.c (iq2000_constant_alignment): New function.
7243         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7244         * config/lm32/lm32.h (CONSTANT_ALIGNMENT): Delete.
7245         * config/lm32/lm32.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7246         constant_alignment_word_strings.
7247         * config/m32r/m32r.h (CONSTANT_ALIGNMENT): Delete.
7248         * config/m32r/m32r.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7249         constant_alignment_word_strings.
7250         * config/mcore/mcore.h (CONSTANT_ALIGNMENT): Delete.
7251         * config/mcore/mcore.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7252         constant_alignment_word_strings.
7253         * config/microblaze/microblaze.h (CONSTANT_ALIGNMENT): Delete.
7254         * config/microblaze/microblaze.c (microblaze_constant_alignment):
7255         New function.
7256         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7257         * config/mips/mips.h (CONSTANT_ALIGNMENT): Delete.
7258         * config/mips/mips.c (mips_constant_alignment): New function.
7259         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7260         * config/mmix/mmix.h (CONSTANT_ALIGNMENT): Delete.
7261         * config/mmix/mmix-protos.h (mmix_constant_alignment): Delete.
7262         * config/mmix/mmix.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7263         (mmix_constant_alignment): Make static.  Use the same interface
7264         as the target hook.
7265         * config/moxie/moxie.h (CONSTANT_ALIGNMENT): Delete.
7266         * config/moxie/moxie.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7267         constant_alignment_word_strings.
7268         * config/nios2/nios2.h (CONSTANT_ALIGNMENT): Delete.
7269         * config/nios2/nios2.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7270         constant_alignment_word_strings.
7271         * config/pa/pa.h (CONSTANT_ALIGNMENT): Delete.
7272         * config/pa/pa.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7273         constant_alignment_word_strings.
7274         * config/powerpcspe/powerpcspe.h (CONSTANT_ALIGNMENT): Delete.
7275         * config/powerpcspe/powerpcspe.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7276         (rs6000_constant_alignment): New function.
7277         * config/riscv/riscv.h (CONSTANT_ALIGNMENT): Delete.
7278         * config/riscv/riscv.c (riscv_constant_alignment): New function.
7279         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7280         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Delete.
7281         * config/rs6000/rs6000.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7282         (rs6000_constant_alignment): New function.
7283         * config/s390/s390.h (CONSTANT_ALIGNMENT): Delete.
7284         * config/s390/s390.c (s390_constant_alignment): New function.
7285         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7286         * config/sh/sh.h (CONSTANT_ALIGNMENT): Delete.
7287         * config/sh/sh.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7288         constant_alignment_word_strings.
7289         * config/sparc/sparc.h (CONSTANT_ALIGNMENT): Delete.
7290         * config/sparc/sparc.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7291         (sparc_constant_alignment): New function.
7292         * config/spu/spu.h (CONSTANT_ALIGNMENT): Delete.
7293         * config/spu/spu.c (spu_constant_alignment): New function.
7294         (TARGET_CONSTANT_ALIGNMENT): Redefine.
7295         * config/stormy16/stormy16.h (CONSTANT_ALIGNMENT): Delete.
7296         * config/stormy16/stormy16.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7297         constant_alignment_word_strings.
7298         * config/tilegx/tilegx.h (CONSTANT_ALIGNMENT): Delete.
7299         * config/tilegx/tilegx.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7300         constant_alignment_word_strings.
7301         * config/tilepro/tilepro.h (CONSTANT_ALIGNMENT): Delete.
7302         * config/tilepro/tilepro.c (TARGET_CONSTANT_ALIGNMENT): Redefine to
7303         constant_alignment_word_strings.
7304         * config/visium/visium.h (CONSTANT_ALIGNMENT): Delete.
7305         * config/visium/visium.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7306         (visium_constant_alignment): New function.
7307         * config/xtensa/xtensa.h (CONSTANT_ALIGNMENT): Delete.
7308         * config/xtensa/xtensa.c (TARGET_CONSTANT_ALIGNMENT): Redefine.
7309         (xtensa_constant_alignment): New function.
7310         * system.h (CONSTANT_ALIGNMENT): Poison.
7312 2017-09-25  Will Schmidt  <will_schmidt@vnet.ibm.com>
7314         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
7315         for early folding of vector stores (ALTIVEC_BUILTIN_ST_*).
7316         (rs6000_builtin_valid_without_lhs): New helper function.
7317         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7318         Remove obsoleted code for handling ALTIVEC_BUILTIN_VEC_ST.
7320 2017-09-25  Richard Sandiford  <richard.sandiford@linaro.org>
7322         * target.h (vec_perm_indices): Use unsigned short rather than
7323         unsigned char.
7324         (auto_vec_perm_indices): Likewise.
7325         * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const_ok):
7326         Use unsigned int rather than unsigned char.
7327         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok): Likewise.
7329 2017-09-25  Richard Biener  <rguenther@suse.de>
7331         * cfgloop.h (sort_sibling_loops): Declare.
7332         * cfgloop.c (sort_sibling_loops_cmp): New helper.
7333         (sort_sibling_loops): New function sorting the sibling loop list
7334         in RPO order.
7335         * graphite.c (graphite_transform_loops): Sort sibling loops.
7337 2017-09-25  Richard Sandiford  <richard.sandifird@linaro.org>
7339         * target.def (vec_perm_const_ok): Change sel parameter to
7340         vec_perm_indices.
7341         * optabs-query.c (can_vec_perm_p): Update accordingly.
7342         * doc/tm.texi: Regenerate.
7343         * config/aarch64/aarch64.c (expand_vec_perm_d): Change perm to
7344         auto_vec_perm_indices and remove separate nelt field.
7345         (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip)
7346         (aarch64_evpc_ext, aarch64_evpc_rev, aarch64_evpc_dup)
7347         (aarch64_evpc_tbl, aarch64_expand_vec_perm_const_1)
7348         (aarch64_expand_vec_perm_const): Update accordingly.
7349         (aarch64_vectorize_vec_perm_const_ok): Likewise.  Change sel
7350         to vec_perm_indices.
7351         * config/arm/arm.c (expand_vec_perm_d): Change perm to
7352         auto_vec_perm_indices and remove separate nelt field.
7353         (arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev)
7354         (arm_evpc_neon_vtrn, arm_evpc_neon_vext, arm_evpc_neon_vtbl)
7355         (arm_expand_vec_perm_const_1, arm_expand_vec_perm_const): Update
7356         accordingly.
7357         (arm_vectorize_vec_perm_const_ok): Likewise.  Change sel
7358         to vec_perm_indices.
7359         * config/i386/i386.c (ix86_vectorize_vec_perm_const_ok): Change
7360         sel to vec_perm_indices.
7361         * config/ia64/ia64.c (ia64_vectorize_vec_perm_const_ok): Likewise.
7362         * config/mips/mips.c (mips_vectorize_vec_perm_const_ok): Likewise.
7363         * config/powerpcspe/powerpcspe.c (rs6000_vectorize_vec_perm_const_ok):
7364         Likewise.
7365         * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const_ok):
7366         Likewise.
7368 2017-09-25  Pierre-Marie de Rodat  <derodat@adacore.com>
7370         PR debug/82155
7371         * dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl
7372         on the FUNCTION_DECL function context if it has a DIE that is a
7373         declaration.
7375 2017-09-25  Richard Biener  <rguenther@suse.de>
7377         PR tree-optimization/82285
7378         * tree-vect-patterns.c (vect_recog_bool_pattern): Also handle
7379         enumeral types.
7381 2017-09-25  Tom de Vries  <tom@codesourcery.com>
7383         PR target/80035
7384         PR target/81069
7385         * config/nvptx/nvptx.c (nvptx_output_call_insn): Add exit after call to
7386         noreturn function.
7388 2017-09-25  Richard Biener  <rguenther@suse.de>
7390         * graphite-optimize-isl.c (optimize_isl): Fail and dump if
7391         ISL errors other than isl_error_quota happen.  Dump if the
7392         schedule is the same.
7393         * graphite-sese-to-poly.c (build_poly_scop): Fail on ISL
7394         errors instead of aborting inside ISL.
7396 2017-09-25  Iain Sandoe  <iain@codesourcery.com>
7398         PR target/80556
7399         * config/i386/darwin.h (REAL_LIB_SPEC): New; put libSystem ahead
7400         of libgcc_eh for m64.
7401         * config/i386/darwin64.h: Likewise.
7403 2017-09-25  Richard Biener  <rguenther@suse.de>
7405         PR middle-end/82144
7406         * dwarf2out.c (gen_enumeration_type_die): Do not add alignment
7407         attribute for incomplete types nor twice for complete ones.
7409 2017-09-24  Uros Bizjak  <ubizjak@gmail.com>
7411         PR target/82267
7412         * config/i386/i386.c (ix86_print_operand_address_as): Encode
7413         %esp as %rsp to avoid 0x67 prefix if there is no index or base
7414         register.
7416 2017-09-23  Uros Bizjak  <ubizjak@gmail.com>
7418         PR bootstrap/82306
7419         * config/i386/i386.opt (mprefer-avx256): Use
7420         ix86_target_flags variable.
7421         * config/i386/i386.c (ix86_target_string): Move
7422         -mprefer-avx256 to flag2_opts.
7424 2017-09-22  Jakub Jelinek  <jakub@redhat.com>
7426         PR middle-end/35691
7427         * match.pd: Simplify x == -1 & y == -1 into (x & y) == -1
7428         and x != -1 | y != -1 into (x & y) != -1.
7430 2017-09-22  Steve Ellcey  <sellcey@cavium.com>
7432         * config.gcc: Add new case statement to set
7433         default_gnu_indirect_function.  Remove it from x86_64-*-linux*,
7434         i[34567]86-*, powerpc*-*-linux*spe*, powerpc*-*-linux*, s390-*-linux*,
7435         s390x-*-linux* case statements.   Added aarch64 to the list of
7436         supported architectures.
7438 2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
7440         PR tree-optimization/82289
7441         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Check
7442         STMT_VINFO_RELEVANT_P.
7444 2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
7445             Alan Hayward  <alan.hayward@arm.com>
7446             David Sherwood  <david.sherwood@arm.com>
7448         * tree-vrp.c (extract_range_from_multiplicative_op_1): Assert
7449         for VR_RANGE only; don't allow VR_ANTI_RANGE.
7450         (extract_range_from_binary_expr_1): Don't call
7451         extract_range_from_multiplicative_op_1 if !range_int_cst_p.
7453 2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
7454             Alan Hayward  <alan.hayward@arm.com>
7455             David Sherwood  <david.sherwood@arm.com>
7457         * target.def (preferred_vector_alignment): New hook.
7458         * doc/tm.texi.in (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): New
7459         hook.
7460         * doc/tm.texi: Regenerate.
7461         * targhooks.h (default_preferred_vector_alignment): Declare.
7462         * targhooks.c (default_preferred_vector_alignment): New function.
7463         * tree-vectorizer.h (dataref_aux): Add a target_alignment field.
7464         Expand commentary.
7465         (DR_TARGET_ALIGNMENT): New macro.
7466         (aligned_access_p): Update commentary.
7467         (vect_known_alignment_in_bytes): New function.
7468         * tree-vect-data-refs.c (vect_calculate_required_alignment): New
7469         function.
7470         (vect_compute_data_ref_alignment): Set DR_TARGET_ALIGNMENT.
7471         Calculate the misalignment based on the target alignment rather than
7472         the vector size.
7473         (vect_update_misalignment_for_peel): Use DR_TARGET_ALIGMENT
7474         rather than TYPE_ALIGN / BITS_PER_UNIT to update the misalignment.
7475         (vect_enhance_data_refs_alignment): Mask the byte misalignment with
7476         the target alignment, rather than masking the element misalignment
7477         with the number of elements in a vector.  Also use the target
7478         alignment when calculating the maximum number of peels.
7479         (vect_find_same_alignment_drs): Use vect_calculate_required_alignment
7480         instead of TYPE_ALIGN_UNIT.
7481         (vect_duplicate_ssa_name_ptr_info): Remove stmt_info parameter.
7482         Measure DR_MISALIGNMENT relative to DR_TARGET_ALIGNMENT.
7483         (vect_create_addr_base_for_vector_ref): Update call accordingly.
7484         (vect_create_data_ref_ptr): Likewise.
7485         (vect_setup_realignment): Realign by ANDing with
7486         -DR_TARGET_MISALIGNMENT.
7487         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Calculate
7488         the number of peels based on DR_TARGET_ALIGNMENT.
7489         * tree-vect-stmts.c (get_group_load_store_type): Compare the gap
7490         with the guaranteed alignment boundary when deciding whether
7491         overrun is OK.
7492         (vectorizable_mask_load_store): Interpret DR_MISALIGNMENT
7493         relative to DR_TARGET_ALIGNMENT instead of TYPE_ALIGN_UNIT.
7494         (ensure_base_align): Remove stmt_info parameter.  Get the
7495         target base alignment from DR_TARGET_ALIGNMENT.
7496         (vectorizable_store): Update call accordingly.   Interpret
7497         DR_MISALIGNMENT relative to DR_TARGET_ALIGNMENT instead of
7498         TYPE_ALIGN_UNIT.
7499         (vectorizable_load): Likewise.
7501 2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
7502             Alan Hayward  <alan.hayward@arm.com>
7503             David Sherwood  <david.sherwood@arm.com>
7505         * tree-vectorizer.h (vect_get_scalar_dr_size): New function.
7506         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use it.
7507         (vect_enhance_data_refs_alignment): Likewise.
7509 2017-09-22  Richard Earnshaw  <richard.earnshaw@arm.com>
7511         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
7512         error.  Only quit immediately if parsing is complete.
7513         (BEGIN): Initialize fatal_err and parse_done.
7514         (begin fpu, end fpu): Check number of arguments.
7515         (begin arch, end arch): Likewise.
7516         (begin cpu, end cpu): Likewise.
7517         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
7518         (optalias): Likewise.
7520 2017-09-22  Richard Earnshaw  <richard.earnshaw@arm.com>
7522         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
7523         * config/arm/arm-isa.h: Delete.  Move definitions to ...
7524         * arm-cpus.in: ... here.  Use new feature and fgroup values.
7525         * config/arm/arm.c (arm_option_override): Use lower case for feature
7526         bit names.
7527         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
7528         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
7529         * config/arm/parsecpu.awk (END): Add new command 'isa'.
7530         (isa_pfx): Delete.
7531         (print_isa_bits_for): New function.
7532         (gen_isa): New function.
7533         (gen_comm_data): Use print_isa_bits_for.
7534         (define feature): New keyword.
7535         (define fgroup): New keyword.
7536         * config/arm/t-arm (TM_H): Remove.
7537         (GTM_H): Add arm-isa.h.
7538         (arm-isa.h): Add rule to generate file.
7539         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
7540         case for feature bit names.
7542 2017-09-22  Richard Biener  <rguenther@suse.de>
7544         * graphite-isl-ast-to-gimple.c (graphite_verify): Inline into
7545         single caller.
7546         (graphite_regenerate_ast_isl): Do not reset SCEV.  Move debug
7547         print of no dependency loops ...
7548         * graphite.c (graphite_transform_loops): ... here.
7549         (canonicalize_loop_closed_ssa_form): Work from inner to outer
7550         loops.
7551         (same_close_phi_node, remove_duplicate_close_phi,
7552         make_close_phi_nodes_unique, defined_in_loop_p): Fold into ...
7553         (canonicalize_loop_closed_ssa): ... here and simplify.
7554         * graphite-optimize-isl.c: Include tree-vectorizer.h.
7555         (optimize_isl): Use dump_printf_loc to tell when we stopped
7556         optimizing because of an ISL timeout.
7558 2017-09-22  Richard Biener  <rguenther@suse.de>
7560         PR tree-optimization/82291
7561         * tree-if-conv.c (predicate_mem_writes): Make sure to
7562         remove writes in blocks predicated with false.
7564 2017-09-22  Richard Biener  <rguenther@suse.de>
7566         * sese.c: Include cfganal.h.
7567         (if_region_set_false_region): Remove.
7568         (create_if_region_on_edge): Likewise.
7569         (move_sese_in_condition): Re-implement without destroying
7570         dominators.
7572 2017-09-22  Richard Biener  <rguenther@suse.de>
7574         * graphite-isl-ast-to-gimple.c (translate_pending_phi_nodes):
7575         Verify both BBs contain loop PHI nodes before dispatching to
7576         copy_loop_phi_args.
7577         (graphite_regenerate_ast_isl): Do not recompute dominators,
7578         do not verify three times.  Restructure for clarity.
7579         * graphite-scop-detection.c (same_close_phi_node,
7580         remove_duplicate_close_phi, make_close_phi_nodes_unique,
7581         defined_in_loop_p, canonicalize_loop_closed_ssa,
7582         canonicalize_loop_closed_ssa_form): Simplify, remove excess
7583         checking and SSA rewrite, move to ...
7584         * graphite.c: ... here.  Include ssa.h and tree-ssa-loop-manip.h.
7585         (graphite_initialize): Do not pass in ctx, do not reset the
7586         SCEV cache, compute only dominators.
7587         (graphite_transform_loops): Allocate ISL ctx after
7588         graphite_initialize.  Call canonicalize_loop_closed_ssa_form.
7589         Maintain post-dominators only around build_scops.
7590         * sese.c (if_region_set_false_region): Make static.  Free
7591         and recompute dominators.
7592         (move_sese_in_condition): Assert we don't get called with
7593         post-dominators computed.
7594         * sese.h (if_region_set_false_region): Remove.
7596 2017-09-22  Sergey Shalnov  <sergey.shalnov@intel.com>
7598         * config/i386/sse.md ("mov<mode>_internal"): Use <sseinsnmode>
7599         mode attribute for TARGET_AVX512VL.
7601 2017-09-21  Sergey Shalnov  <sergey.shalnov@intel.com>
7603         * config/i386/i386.opt (mprefer-avx256): New option.
7604         * config/i386/i386.c (ix86_target_string): Add -mprefer-avx256
7605         to flag_opts.
7606         (ix86_preferred_simd_mode): Return 256-bit AVX modes
7607         for TARGET_PREFER_AVX256.
7608         * doc/invoke.texi (x86 Options): Document -mprefer-avx256.
7610 2017-09-21  Jeff Law  <law@redhat.com>
7612         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash):
7613         Fix dump output if the only stack space is for pushed registers.
7615 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7617         * config/spu/spu.c (spu_sched_adjust_cost): Update after renaming
7618         of insn_cost.
7620 2017-09-21  Martin Sebor  <msebor@redhat.com>
7622         PR c/81882
7623         * doc/extend.texi (attribute ifunc): Avoid relying on ill-formed
7624         code (in C++) or code that triggers warnings.
7626 2017-09-21  Eric Botcazou  <ebotcazou@adacore.com>
7628         * stor-layout.c (bit_from_pos): Do not distribute the conversion.
7630 2017-09-21  Segher Boessenkool  <segher@kernel.crashing.org>
7632         * haifa-sched.c: Rename insn_cost to insn_sched_cost.
7633         * sched-rgn.c: Ditto.
7634         * sel-sched-ir.c: Ditto.
7636 2017-09-21  Alexander Monakov  <amonakov@ispras.ru>
7638         * toplev.h (set_random_seed): Adjust return type.
7639         * toplev.c (init_local_tick): Move eager initialization of random_seed
7640         to get_random_seed.  Adjust comment.
7641         (init_random_seed): Inline to get_random_seed, delete.
7642         (get_random_seed): Initialize random_seed lazily.
7643         (set_random_seed): Do not return previous value.
7644         (print_switch_value): Do not call get_random_seed.
7646 2017-09-21  Evgeny Kudryashov  <kudryashov@ispras.ru>
7648         * cgraph.c (delete_function_version): New, broken out from...
7649         (cgraph_node::delete_function_version): ...here.  Rename to
7650         cgraph_node::delete_function_version_by_decl.  Update all uses.
7651         (cgraph_node::remove): Call delete_function_version.
7653 2017-09-21  Jakub Jelinek  <jakub@redhat.com>
7655         PR sanitizer/81715
7656         * tree-inline.c (expand_call_inline): Emit clobber stmts for
7657         VAR_DECLs to which addressable non-volatile parameters are mapped
7658         and for id->retvar after the return value assignment.  Clear
7659         id->retval and id->retbnd after inlining.
7661 2017-09-21  Richard Biener  <rguenther@suse.de>
7663         PR tree-optimization/82276
7664         PR tree-optimization/82244
7665         * tree-vrp.c (build_assert_expr_for): Set
7666         SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the variable we assert on
7667         has it set.
7668         (remove_range_assertions): Revert earlier change.
7670 2017-09-21  Wilco Dijkstra  <wdijkstr@arm.com>
7672         PR target/71951
7673         * config/aarch64/aarch64.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
7675 2017-09-21  Richard Biener  <rguenther@suse.de>
7677         * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
7678         Restore valid IL after code generation errors.
7679         * graphite.c (graphite_transform_loops): Diagnose code
7680         generation issues as MSG_MISSED_OPTIMIZATION and continue
7681         with processing SCOPs.
7683 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7684             Alan Hayward  <alan.hayward@arm.com>
7685             David Sherwood  <david.sherwood@arm.com>
7687         * calls.c (compute_argument_addresses): Use simplify_gen_binary
7688         rather than choosing between plus_constant and gen_rtx_<CODE>.
7689         * expr.c (emit_push_insn): Likewise.
7690         (expand_expr_real_2): Likewise.
7692 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7693             Alan Hayward  <alan.hayward@arm.com>
7694             David Sherwood  <david.sherwood@arm.com>
7696         * loop-unroll.c (split_iv): Call copy_rtx on the step.
7698 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7699             Alan Hayward  <alan.hayward@arm.com>
7700             David Sherwood  <david.sherwood@arm.com>
7702         * tree.c (find_atomic_core_type): Check tree_fits_uhwi_p before
7703         calling tree_to_uhwi.
7705 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7706             Alan Hayward  <alan.hayward@arm.com>
7707             David Sherwood  <david.sherwood@arm.com>
7709         * tree-ssa-ccp.c (get_value_for_expr): Use a positive test for
7710         INTEGER_CST rather than a negative test for ADDR_EXPR.
7712 2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
7713             Alan Hayward  <alan.hayward@arm.com>
7714             David Sherwood  <david.sherwood@arm.com>
7716         * tree-vrp.c (extract_range_from_binary_expr_1): Check
7717         int_cst_rangeN before calling value_range_constant_singleton (&vrN).
7719 2017-09-21  Richard Biener  <rguenther@suse.de>
7721         PR tree-optimization/71351
7722         * graphite-isl-ast-to-gimple.c (translate_isl_ast_to_gimple::
7723         graphite_create_new_loop_guard): Remove, fold remaining parts
7724         into caller ...
7725         (translate_isl_ast_node_for): ... here and simplify.
7727 2017-09-21  Jakub Jelinek  <jakub@redhat.com>
7729         PR target/82260
7730         * config/i386/i386.md (*movqi_internal): Replace (=q,q) alternative
7731         with (=Q,Q), (=R,R) and (=r,r) alternatives, only enable the
7732         latter two for 64-bit, renumber alternatives, for -Os imov (=q,n)
7733         alternative always use QI mode, for -Os imov (=R,R) alternative
7734         always use SI mode, for imov (=Q,Q) or (=r,r) alternatives
7735         ignore -Os.
7737 2017-09-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7738             Jeff Law  <law@redhat.com>
7740         * config/s390/s390.c (MIN_UNROLL_PROBES): Define.
7741         (allocate_stack_space): New function, partially extracted from
7742         s390_emit_prologue.
7743         (s390_emit_prologue): Track offset to most recent stack probe.
7744         Code to allocate space moved into allocate_stack_space.
7745         Dump actions when no stack is allocated.
7746         (s390_prologue_plus_offset): New function.
7747         (s390_emit_stack_probe): Likewise.
7749 2017-09-20  Alexandre Oliva <aoliva@redhat.com>
7751         * common.opt (Wa, Wl, Wp, g, gz=): Add
7752         RejectNegative.
7753         (gno-column-info): Remove.
7754         (gcolumn-info): Drop RejectNegative.
7755         (gno-): New prefix.
7756         (gno-record-gcc-switches): Remove.
7757         (grecord-gcc-switches): Drop RejectNegative.
7758         (gno-split-dwarf): Remove.
7759         (gsplit-dwarf): Drop RejectNegative.
7760         (gno-strict-dwarf): Remove.
7761         (gstrict-dwarf): Drop RejectNegative.
7762         * config/darwin.opt (gfull, gused): Add RejectNegative.
7763         * dwarf2out.c (gen_producer_string): Drop
7764         gno-record-gcc-switches handler.
7765         * optc-gen.awk: Add g to prefixes with negative forms.
7766         * opts-common.c (remapping_prefix_p): New.
7767         (find_opt): Check it.
7768         (generate_canonical_option): Test g prefix.
7769         (option_map): Add -gno- mapping.
7770         (add_misspelling_candidates): Check remapping_prefix_p.
7772 2017-09-20  Jeff Law  <law@redhat.com>
7774         * config/powerpcspe/powerpcspe.c (rs6000_expand_prologue): Fix
7775         thinko in stack clash protection support.
7777         * explow.c (compute_stack_clash_protection_loop_data): Use
7778         CONST_INT_P instead of explicit test.  Verify object is a
7779         CONST_INT_P before looking at INTVAL.
7780         (anti_adjust_stack_and_probe_stack_clash): Use CONST_INT_P
7781         instead of explicit test.
7783 2017-09-20  Segher Boessenkool  <segher@kernel.crashing.org>
7785         PR target/77687
7786         * config/rs6000/rs6000.md (stack_restore_tie): Store to a scratch
7787         address instead of to r1 and r11.
7789 2017-09-20  Sebastian Peryt  <sebastian.peryt@intel.com>
7791         * config.gcc: Support "knm".
7792         * config/i386/driver-i386.c (host_detect_local_cpu): Detect "knm".
7793         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
7794         PROCESSOR_KNM.
7795         * config/i386/i386.c (m_KNM): Define.
7796         (processor_target_table): Add "knm".
7797         (PTA_KNM): Define.
7798         (ix86_option_override_internal): Add "knm".
7799         (ix86_issue_rate): Add PROCESSOR_KNM.
7800         (ix86_adjust_cost): Ditto.
7801         (ia32_multipass_dfa_lookahead): Ditto.
7802         (get_builtin_code_for_version): Handle PROCESSOR_KNM.
7803         (fold_builtin_cpu): Add M_INTEL_KNM.
7804         * config/i386/i386.h (processor_costs): Define TARGET_KNM.
7805         (processor_type): Add PROCESSOR_KNM.
7806         * config/i386/x86-tune.def: Add m_KNM.
7807         * doc/invoke.texi: Add knm as x86 -march=/-mtune= CPU type.
7809 2017-09-20  Richard Biener  <rguenther@suse.de>
7811         PR tree-optimization/80213
7812         * graphite-scop-detection.c (trivially_empty_bb_p): Labels
7813         are allowed in empty BBs as well.
7814         (canonicalize_loop_closed_ssa): Also look for other complex
7815         edges.
7816         (scop_detection::get_sese): Include the loop-closed PHI block
7817         in loop SESEs.
7818         (scop_detection::merge_sese): Remove code adding extra blocks.
7819         (scop_detection::region_has_one_loop): Adjust for get_sese changes.
7820         (build_scops): Assert the final returned scop is invalid.
7822 2017-09-20  Richard Biener  <rguenther@suse.de>
7824         PR tree-optimization/82264
7825         * tree-ssa-sccvn.c (vn_phi_eq): Use safe_dyn_cast to check
7826         for GIMPLE_CONDs.
7827         (vn_phi_lookup): Likewise.
7828         (vn_phi_insert): Likewise.
7830 2017-09-20  Jakub Jelinek  <jakub@redhat.com>
7832         * dwarf2out.c (tree_add_const_value_attribute): For INTEGER_CST
7833         that fits into uhwi or shwi, add DW_AT_const_value regardless
7834         of early_dwarf without going through RTL, using add_AT_unsigned
7835         or add_AT_int.
7837         * dwarf2out.c (DEBUG_LTO_DWO_INFO_SECTION): Reorder defines.
7838         (DEBUG_LTO_ABBREV_SECTION): Likewise.
7839         (DEBUG_LTO_MACINFO_SECTION): Likewise.
7840         (DEBUG_MACRO_SECTION): Likewise.
7841         (DEBUG_LTO_MACRO_SECTION): Likewise.
7842         (DEBUG_STR_DWO_SECTION): Likewise.
7843         (DEBUG_LTO_STR_DWO_SECTION): Likewise.
7844         (DEBUG_LTO_LINE_SECTION): Drop .dwo suffix from the name.
7845         (DEBUG_LTO_DWO_LINE_SECTION): Define.
7846         (DEBUG_LTO_LINE_STR_SECTION): Define.
7847         (init_sections_and_labels): Initialize debug_line_str_section
7848         variable.  Initialize debug_loc_section for -gdwarf-5 to
7849         DEBUG_LOCLISTS_SECTION.  Formatting fixes.
7851 2017-09-20  Richard Biener  <rguenther@suse.de>
7853         * graphite-sese-to-poly.c (extract_affine): Properly handle
7854         POINTER_PLUS_EXPR, BIT_NOT_EXPR and conversion to signed.
7856 2017-09-20  Richard Biener  <rguenther@suse.de>
7858         PR tree-optimization/81373
7859         * graphite-scop-detection.c (build_cross_bb_scalars_def):
7860         Force SESE live-out defs to be handled even if they are
7861         scev_analyzable_p.
7863 2017-09-19  Jeff Law  <law@redhat.com>
7865         * combine-stack-adj.c (combine_stack_adjustments_for_block): Do
7866         nothing for stack adjustments with REG_STACK_CHECK.
7867         * sched-deps.c (parse_add_or_inc): Reject insns with
7868         REG_STACK_CHECK from dependency breaking.
7869         * config/i386/i386.c (pro_epilogue_adjust_stack): Return insn.
7870         (ix86_adjust_satck_and_probe_stack_clash): Add REG_STACK_NOTEs.
7871         * reg-notes.def (STACK_CHECK): New note.
7873         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): New.
7874         (ix86_expand_prologue): Dump stack clash info as needed.
7875         Call ix86_adjust_stack_and_probe_stack_clash as needed.
7877         * function.c (dump_stack_clash_frame_info): New function.
7878         * function.h (dump_stack_clash_frame_info): Prototype.
7879         (enum stack_clash_probes): New enum.
7881         * config/alpha/alpha.c (alpha_expand_prologue): Also check
7882         flag_stack_clash_protection.
7883         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): Likewise.
7884         (arm_expand_prologue, thumb1_expand_prologue): Likewise.
7885         (arm_frame_pointer_required): Likewise.
7886         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
7887         (ia64_expand_prologue): Likewise.
7888         * config/mips/mips.c (mips_expand_prologue): Likewise.
7889         * config/powerpcspe/powerpcspe.c (rs6000_expand_prologue): Likewise.
7890         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
7891         (sparc_flat_expand_prologue): Likewise.
7892         * config/spu/spu.c (spu_expand_prologue): Likewise.
7894         * explow.c: Include "params.h".
7895         (anti_adjust_stack_and_probe_stack_clash): New function.
7896         (get_stack_check_protect): Likewise.
7897         (compute_stack_clash_protection_loop_data): Likewise.
7898         (emit_stack_clash_protection_loop_start): Likewise.
7899         (emit_stack_clash_protection_loop_end): Likewise.
7900         (allocate_dynamic_stack_space): Use get_stack_check_protect.
7901         Use anti_adjust_stack_and_probe_stack_clash.
7902         * explow.h (compute_stack_clash_protection_loop_data): Prototype.
7903         (emit_stack_clash_protection_loop_start): Likewise.
7904         (emit_stack_clash_protection_loop_end): Likewise.
7905         * rtl.h (get_stack_check_protect): Prototype.
7906         * target.def (stack_clash_protection_final_dynamic_probe): New hook.
7907         * targhooks.c (default_stack_clash_protection_final_dynamic_probe): New.
7908         * targhooks.h (default_stack_clash_protection_final_dynamic_probe):
7909         Prototype.
7910         * doc/tm.texi.in (TARGET_STACK_CLASH_PROTECTION_FINAL_DYNAMIC_PROBE):
7911         Add @hook.
7912         * doc/tm.texi: Rebuilt.
7913         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use
7914         get_stack_check_protect.
7915         * config/alpha/alpha.c (alpha_expand_prologue): Likewise.
7916         * config/arm/arm.c (arm_expand_prologue): Likewise.
7917         (arm_frame_pointer_required): Likewise.
7918         * config/i386/i386.c (ix86_expand_prologue): Likewise.
7919         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
7920         * config/mips/mips.c (mips_expand_prologue): Likewise.
7921         * config/powerpcspe/powerpcspe.c (rs6000_emit_prologue): Likewise.
7922         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
7923         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
7924         (sparc_flat_expand_prologue): Likewise.
7926         * common.opt (-fstack-clash-protection): New option.
7927         * flag-types.h (enum stack_check_type): Note difference between
7928         -fstack-check= and -fstack-clash-protection.
7929         * params.def (PARAM_STACK_CLASH_PROTECTION_GUARD_SIZE): New PARAM.
7930         (PARAM_STACK_CLASH_PROTECTION_PROBE_INTERVAL): Likewise.
7931         * toplev.c (process_options): Issue warnings/errors for cases
7932         not handled with -fstack-clash-protection.
7933         * doc/invoke.texi (-fstack-clash-protection): Document new option.
7934         (-fstack-check): Note additional problem with -fstack-check=generic.
7935         Note that -fstack-check is primarily for Ada and refer users
7936         to -fstack-clash-protection for stack-clash-protection.
7937         Document new params for stack clash protection.
7939 2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
7941         * config/i386/i386.c (ix86_split_long_move): Do not handle
7942         address used for LEA in a special way.
7944 2017-09-19  Segher Boessenkool  <segher@kernel.crashing.org>
7946         * simplify-rtx.c (simplify_binary_operation_1): Fix typo in comment.
7948 2017-09-19  Martin Sebor  <msebor@redhat.com>
7950         PR c/81854
7951         * cgraphunit.c (handle_alias_pairs): Reject aliases between functions
7952         of incompatible types.
7954 2017-09-19  Will Schmidt  <will_schmidt@vnet.ibm.com>
7956         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
7957         for early folding of vector loads (ALTIVEC_BUILTIN_LVX_*).
7958         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7959         Remove obsoleted code for handling ALTIVEC_BUILTIN_VEC_LD.
7961 2017-09-19  Richard Biener  <rguenther@suse.de>
7963         PR tree-optimization/82244
7964         * tree-vrp.c (remove_range_assertions): Do not propagate
7965         a constant to abnormals but replace the assert with a copy.
7967 2017-09-19  Alexander Monakov  <amonakov@ispras.ru>
7969         PR rtl-optimization/57878
7970         PR rtl-optimization/68988
7971         * lra-assigns.c (reload_pseudo_compare_func): Remove fragmentation
7972         avoidance test involving non_reload_pseudos.  Move frequency test
7973         below the general fragmentation avoidance test.
7975 2017-09-19  Richard Biener  <rguenther@suse.de>
7977         PR tree-optimization/69728
7978         * graphite-sese-to-poly.c (schedule_error): New global.
7979         (add_loop_schedule): Handle empty domain by failing the
7980         schedule.
7981         (build_original_schedule): Handle schedule_error.
7983 2017-09-19  Richard Biener  <rguenther@suse.de>
7985         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7986         Do not iterate to sibling loops but only to siblings of inner
7987         loops.
7989 2017-09-18  Andreas Schwab  <schwab@linux-m68k.org>
7991         PR target/81613
7992         * config/m68k/m68k.md (moveq feeding equality comparison): Check
7993         that the registers are different.
7995 2017-09-18  Uros Bizjak  <ubizjak@gmail.com>
7997         * config/i386/i386.c (fold_builtin_cpu): Add M_AMDFAM17H
7998         to processor_model and "amdfam17h" to arch_names_table.
7999         * doc/extend.texi (__builtin_cpu_is): Document amdfam17h CPU name.
8001 2017-09-18  Jakub Jelinek  <jakub@redhat.com>
8003         PR c/82234
8004         * doc/extend.texi: Add @findex entry for __builtin_shuffle.
8006 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8007             Alan Hayward  <alan.hayward@arm.com>
8008             David Sherwood  <david.sherwood@arm.com>
8010         * tree-vectorizer.h (vect_slp_analyze_operations): Replace parameters
8011         with a vec_info *.
8012         * tree-vect-loop.c (vect_analyze_loop_operations): Update call
8013         accordingly.
8014         * tree-vect-slp.c (vect_slp_analyze_node_operations): Add vec_info *
8015         parameter.  Set SLP_TREE_NUMBER_OF_VEC_STMTS here rather than in
8016         vect_schedule_slp_instance.
8017         (vect_slp_analyze_operations): Replace parameters with a vec_info *.
8018         Update call to vect_slp_analyze_node_operations.  Simplify return
8019         value.
8020         (vect_slp_analyze_bb_1): Update call accordingly.
8021         (vect_schedule_slp_instance): Remove vectorization_factor parameter.
8022         Don't calculate SLP_TREE_NUMBER_OF_VEC_STMTS here.
8023         (vect_schedule_slp): Update call accordingly.
8025 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8026             Alan Hayward  <alan.hayward@arm.com>
8027             David Sherwood  <david.sherwood@arm.com>
8029         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Cope
8030         with types that aren't in fact scalar.
8032 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8034         * tree-vect-slp.c (vect_record_max_nunits): New function,
8035         split out from...
8036         (vect_build_slp_tree_1): ...here.
8037         (vect_build_slp_tree_2): Call it for phis too.
8039 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8041         * tree-vect-stmts.c (vectorizable_mask_load_store): Pass mask_vectype
8042         to vect_get_vec_def_for_operand when getting the mask operand.
8044 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8045             Alan Hayward  <alan.hayward@arm.com>
8046             David Sherwood  <david.sherwood@arm.com>
8048         * tree-vect-loop.c (vectorizable_live_operation): Fix type of
8049         bitstart.
8051 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8052             Alan Hayward  <alan.hayward@arm.com>
8053             David Sherwood  <david.sherwood@arm.com>
8055         * tree-vect-loop.c (vectorizable_live_operation): Fix element size
8056         calculation for vector booleans.
8058 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
8059             Alan Hayward  <alan.hayward@arm.com>
8060             David Sherwood  <david.sherwood@arm.com>
8062         * tree-vect-stmts.c (can_vectorize_live_stmts): New function,
8063         split out from...
8064         (vect_transform_stmt): ...here.
8065         (vect_analyze_stmt): Use it instead of calling
8066         vectorizable_live_operation directly.
8068 2017-09-18  Cesar Philippidis  <cesar@codesourcery.com>
8070         * omp-offload.c (oacc_xform_loop): Enable SIMD vectorization on
8071         non-SIMT targets in acc vector loops.
8073 2017-09-18  Claudiu Zissulescu  <claziss@synopsys.com>
8075         * configure.ac: Add arc and check if assembler supports gdwarf2.
8076         * configure: Regenerate.
8078 2017-09-18  Richard Biener  <rguenther@suse.de>
8080         PR tree-optimization/82220
8081         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Exclude
8082         epilogue niters from the min_profitable_iters compute.
8084 2017-09-18  Jakub Jelinek  <jakub@redhat.com>
8086         PR target/82145
8087         * config/i386/i386.c (ix86_init_large_pic_reg): Revert 2017-09-01
8088         changes.  Turn CODE_LABEL into NOTE_INSN_DELETED_LABEL immediately.
8089         (ix86_init_pic_reg): Revert 2017-09-01 changes.
8091 2017-09-18  Eric Botcazou  <ebotcazou@adacore.com>
8093         PR target/81361
8094         * dwarf2cfi.c (add_cfis_to_fde): Do not generate DW_CFA_set_loc after
8095         switching to a new text section.
8097 2017-09-18  Richard Biener  <rguenther@suse.de>
8099         * graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref):
8100         Simplify.
8101         (build_alias_set): Reject aliases with no access function.
8103 2017-09-18  Richard Biener  <rguenther@suse.de>
8105         PR tree-optimization/79622
8106         * graphite-scop-detection.c (build_cross_bb_scalars_def): Properly
8107         handle PHIs.
8108         (build_cross_bb_scalars_use): Likewise.
8110 2017-09-18  Pierre-Marie de Rodat  <derodat@adacore.com>
8112         * cgraph.h (cgraph_thunk_info): Fix a typo in a comment.
8114 2017-09-18  Alan Modra  <amodra@gmail.com>
8116         PR target/81996
8117         * gcc/config/rs6000/rs6000.c (rs6000_return_addr): Use
8118         stack_pointer_rtx for count 0.  Update comments.  Break up
8119         large rtl expression.
8121 2017-09-17  Daniel Santos  <daniel.santos@pobox.com>
8123         * config/i386/i386.c (xlogue_layout::STUB_NAME_MAX_LEN):
8124         Increase to 20 bytes.
8125         (xlogue_layout::s_stub_names): Add an additional size-2 diminsion.
8126         (xlogue_layout::get_stub_name): Modify to select the appropairate sse
8127         or avx version of the stub.
8129 2017-09-17  H.J. Lu  <hongjiu.lu@intel.com>
8131         PR target/82166
8132         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Properly
8133         compute the minimum stack alignment.  Also update preferred stack
8134         boundary for leaf functions.
8136 2017-09-16  Richard Sandiford  <richard.sandiford@linaro.org>
8138         PR tree-optimization/82228
8139         * tree-vect-loop.c (vectorizable_live_operation): Move initialization
8140         of ncopies.
8142 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
8144         * common/config/nds32/nds32-common.c
8145         (nds32_option_optimization_table): Refine formatting.
8146         (nds32_option_optimization_table): Use -fsched-pressure and
8147         -fomit-frame-pointer for specific optimization level.
8149 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
8151         * config/nds32/nds32.c: Refine formatting and comments.
8152         * config/nds32/nds32.h: Likewise.
8153         * config/nds32/nds32.md: Likewise.
8154         * config/nds32/nds32-cost.c: Likewise.
8155         * config/nds32/nds32-isr.c: Likewise.
8156         * config/nds32/nds32-md-auxiliary.c: Likewise.
8157         * config/nds32/nds32-multiple.md: Likewise.
8158         * config/nds32/nds32-predicates.c: Likewise.
8160 2017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
8161             Jakub Jelinek  <jakub@redhat.com>
8163         Add support for -std=c++2a.
8164         * doc/cpp.texi (__cplusplus): Document value for -std=c++2a
8165         or -std=gnu+2a.
8166         * doc/invoke.texi: Document -std=c++2a and -std=gnu++2a.
8168 2017-09-15  Steve Ellcey  <sellcey@cavium.com>
8170         PR target/82066
8171         * doc/extend.texi (Common Function Attributes): Add 
8172         references to ARM, AArch64, and S/390 specific attributes.
8173         (Function Specific Option Pragmas): Add AArch64 and S/390
8174         to list of back ends that support the target pragma.
8176 2017-09-15  Nathan Sidwell  <nathan@acm.org>
8178         * doc/standards.texi: Fix C++17 description.  Update URLs for
8179         C++11 & 14.
8181 2017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8183         * common.opt (Wcast-align=strict): New warning option.
8184         * doc/invoke.texi: Document -Wcast-align=strict. 
8186 2017-09-15  Pierre-Marie de Rodat  <derodat@adacore.com>
8188         * cgraph.h (cgraph_thunk_info): Add comments.
8189         * cgraph.c (cgraph_node::create_thunk): Adjust comment, make
8190         assert for VIRTUAL_* arguments stricter.
8192 2017-09-15  Jackson Woodruff  <jackson.woodruff@arm.com>
8194         PR tree-optimization/71026
8195         * match.pd: Move RDIV patterns from fold-const.c
8196         * fold-const.c (distribute_real_division): Removed.
8197         (fold_binary_loc): Remove calls to distribute_real_divison.
8199 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
8201         * doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
8202         c++1z and gnu++1z as deprecated.  Change other references to
8203         -std=c++1z to -std=c++17 and -std=gnu++1z to -std=gnu++17.
8204         Change -Wc++1z-compat to -Wc++17-compat.
8205         * doc/cpp.texi: Document -std=c++17 defines __cplusplus 201703L.
8206         * dwarf2out.c (highest_c_language): Handle C++17.
8207         (gen_compile_unit_die): Likewise.
8209 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
8211         PR rtl-optimization/82192
8212         * combine.c (make_extraction): Don't look through non-paradoxical
8213         SUBREGs or TRUNCATE if pos + len is or might be bigger than
8214         inner's mode.
8216 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
8217             Alan Hayward  <alan.hayward@arm.com>
8218             David Sherwood  <david.sherwood@arm.com>
8220         * target.def (function_arg_offset): New hook.
8221         * targhooks.h (default_function_arg_offset): Declare.
8222         * targhooks.c (default_function_arg_offset): New function.
8223         * function.c (locate_and_pad_parm): Use
8224         targetm.calls.function_arg_offset instead of FUNCTION_ARG_OFFSET.
8225         * doc/tm.texi.in (FUNCTION_ARG_OFFSET): Replace with...
8226         (TARGET_FUNCTION_ARG_OFFSET): ...this.
8227         * doc/tm.texi: Regenerate.
8228         * config/spu/spu.h (FUNCTION_ARG_OFFSET): Delete.
8229         * config/spu/spu.c (spu_function_arg_offset): New function.
8230         (TARGET_FUNCTION_ARG_OFFSET): Redefine.
8231         * system.h (FUNCTION_ARG_OFFSET): Poison.
8233 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
8234             Alan Hayard  <alan.hayward@arm.com>
8235             David Sherwood  <david.sherwood@arm.com>
8237         * target.def (truly_noop_truncation): New hook.
8238         (mode_rep_extended): Refer to TARGET_TRULY_NOOP_TRUNCATION rather
8239         than TRULY_NOOP_TRUNCATION.
8240         * hooks.h (hook_bool_uint_uint_true): Declare.
8241         * hooks.c (hook_bool_uint_uint_true): New function.
8242         * doc/tm.texi.in (TRULY_NOOP_TRUNCATION): Replace with...
8243         (TARGET_TRULY_NOOP_TRUNCATION): ...this.
8244         * doc/tm.texi: Regenerate.
8245         * combine.c (make_extraction): Refer to TARGET_TRULY_NOOP_TRUNCATION
8246         rather than TRULY_NOOP_TRUNCATION in comments.
8247         (simplify_comparison): Likewise.
8248         (record_truncated_value): Likewise.
8249         * expmed.c (extract_bit_field_1): Likewise.
8250         (extract_split_bit_field): Likewise.
8251         * convert.c (convert_to_integer_1): Use targetm.truly_noop_truncation
8252         instead of TRULY_NOOP_TRUNCATION.
8253         * function.c (assign_parm_setup_block): Likewise.
8254         * machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): Likewise.
8255         * rtlhooks.c: Include target.h.
8256         * config/aarch64/aarch64.h (TRULY_NOOP_TRUNCATION): Delete.
8257         * config/alpha/alpha.h (TRULY_NOOP_TRUNCATION): Delete.
8258         * config/arc/arc.h (TRULY_NOOP_TRUNCATION): Delete.
8259         * config/arm/arm.h (TRULY_NOOP_TRUNCATION): Delete.
8260         * config/avr/avr.h (TRULY_NOOP_TRUNCATION): Delete.
8261         * config/bfin/bfin.h (TRULY_NOOP_TRUNCATION): Delete.
8262         * config/c6x/c6x.h (TRULY_NOOP_TRUNCATION): Delete.
8263         * config/cr16/cr16.h (TRULY_NOOP_TRUNCATION): Delete.
8264         * config/cris/cris.h (TRULY_NOOP_TRUNCATION): Delete.
8265         * config/epiphany/epiphany.h (TRULY_NOOP_TRUNCATION): Delete.
8266         * config/fr30/fr30.h (TRULY_NOOP_TRUNCATION): Delete.
8267         * config/frv/frv.h (TRULY_NOOP_TRUNCATION): Delete.
8268         * config/ft32/ft32.h (TRULY_NOOP_TRUNCATION): Delete.
8269         * config/h8300/h8300.h (TRULY_NOOP_TRUNCATION): Delete.
8270         * config/i386/i386.h (TRULY_NOOP_TRUNCATION): Delete.
8271         * config/ia64/ia64.h (TRULY_NOOP_TRUNCATION): Delete.
8272         * config/iq2000/iq2000.h (TRULY_NOOP_TRUNCATION): Delete.
8273         * config/lm32/lm32.h (TRULY_NOOP_TRUNCATION): Delete.
8274         * config/m32c/m32c.h (TRULY_NOOP_TRUNCATION): Delete.
8275         * config/m32r/m32r.h (TRULY_NOOP_TRUNCATION): Delete.
8276         * config/m68k/m68k.h (TRULY_NOOP_TRUNCATION): Delete.
8277         * config/mcore/mcore.h (TRULY_NOOP_TRUNCATION): Delete.
8278         * config/microblaze/microblaze.h (TRULY_NOOP_TRUNCATION): Delete.
8279         * config/mips/mips.h (TRULY_NOOP_TRUNCATION): Delete.
8280         * config/mips/mips.c (mips_truly_noop_truncation): New function.
8281         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
8282         * config/mips/mips.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
8283         rather than TRULY_NOOP_TRUNCATION in comments.
8284         * config/mmix/mmix.h (TRULY_NOOP_TRUNCATION): Delete.
8285         * config/mn10300/mn10300.h (TRULY_NOOP_TRUNCATION): Delete.
8286         * config/moxie/moxie.h (TRULY_NOOP_TRUNCATION): Delete.
8287         * config/msp430/msp430.h (TRULY_NOOP_TRUNCATION): Delete.
8288         * config/nds32/nds32.h (TRULY_NOOP_TRUNCATION): Delete.
8289         * config/nios2/nios2.h (TRULY_NOOP_TRUNCATION): Delete.
8290         * config/nvptx/nvptx.h (TRULY_NOOP_TRUNCATION): Delete.
8291         * config/pa/pa.h (TRULY_NOOP_TRUNCATION): Delete.
8292         * config/pdp11/pdp11.h (TRULY_NOOP_TRUNCATION): Delete.
8293         * config/powerpcspe/powerpcspe.h (TRULY_NOOP_TRUNCATION): Delete.
8294         * config/riscv/riscv.h (TRULY_NOOP_TRUNCATION): Delete.
8295         * config/riscv/riscv.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
8296         rather than TRULY_NOOP_TRUNCATION in comments.
8297         * config/rl78/rl78.h (TRULY_NOOP_TRUNCATION): Delete.
8298         * config/rs6000/rs6000.h (TRULY_NOOP_TRUNCATION): Delete.
8299         * config/rx/rx.h (TRULY_NOOP_TRUNCATION): Delete.
8300         * config/s390/s390.h (TRULY_NOOP_TRUNCATION): Delete.
8301         * config/sh/sh.h (MAYBE_BASE_REGISTER_RTX_P): Remove
8302         TRULY_NOOP_TRUNCATION condition.
8303         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
8304         (TRULY_NOOP_TRUNCATION): Delete.
8305         * config/sparc/sparc.h (TRULY_NOOP_TRUNCATION): Delete.
8306         * config/spu/spu.h (TRULY_NOOP_TRUNCATION): Delete.
8307         * config/spu/spu.c (spu_truly_noop_truncation): New function.
8308         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
8309         * config/stormy16/stormy16.h (TRULY_NOOP_TRUNCATION): Delete.
8310         * config/tilegx/tilegx.h (TRULY_NOOP_TRUNCATION): Delete.
8311         * config/tilegx/tilegx.c (tilegx_truly_noop_truncation): New fuction.
8312         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
8313         * config/tilegx/tilegx.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
8314         rather than TRULY_NOOP_TRUNCATION in comments.
8315         * config/tilepro/tilepro.h (TRULY_NOOP_TRUNCATION): Delete.
8316         * config/v850/v850.h (TRULY_NOOP_TRUNCATION): Delete.
8317         * config/vax/vax.h (TRULY_NOOP_TRUNCATION): Delete.
8318         * config/visium/visium.h (TRULY_NOOP_TRUNCATION): Delete.
8319         * config/xtensa/xtensa.h (TRULY_NOOP_TRUNCATION): Delete.
8320         * system.h (TRULY_NOOP_TRUNCATION): Poison.
8322 2017-09-15  Christophe Lyon  <christophe.lyon@linaro.org>
8324         PR target/67591
8325         * config/arm/arm.md (*cmp_and): Add enabled_for_depr_it attribute.
8326         (*cmp_ior): Likewise.
8327         (*ior_scc_scc): Add alternative for enabled_for_depr_it attribute.
8328         (*ior_scc_scc_cmp): Likewise.
8329         (*and_scc_scc): Likewise.
8330         (*and_scc_scc_cmp): Likewise.
8332 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
8333             Alan Hayard  <alan.hayward@arm.com>
8334             David Sherwood  <david.sherwood@arm.com>
8336         * target.def (can_change_mode_class): New hook.
8337         (mode_rep_extended): Refer to it instead of CANNOT_CHANGE_MODE_CLASS.
8338         (hard_regno_nregs): Likewise.
8339         * hooks.h (hook_bool_mode_mode_reg_class_t_true): Declare.
8340         * hooks.c (hook_bool_mode_mode_reg_class_t_true): New function.
8341         * doc/tm.texi.in (CANNOT_CHANGE_MODE_CLASS): Replace with...
8342         (TARGET_CAN_CHANGE_MODE_CLASS): ...this.
8343         (LOAD_EXTEND_OP): Update accordingly.
8344         * doc/tm.texi: Regenerate.
8345         * doc/rtl.texi: Refer to TARGET_CAN_CHANGE_MODE_CLASS instead of
8346         CANNOT_CHANGE_MODE_CLASS.
8347         * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Replace with...
8348         (REG_CAN_CHANGE_MODE_P): ...this new macro.
8349         * combine.c (simplify_set): Update accordingly.
8350         * emit-rtl.c (validate_subreg): Likewise.
8351         * recog.c (general_operand): Likewise.
8352         * regcprop.c (mode_change_ok): Likewise.
8353         * reload1.c (choose_reload_regs): Likewise.
8354         (inherit_piecemeal_p): Likewise.
8355         * rtlanal.c (simplify_subreg_regno): Likewise.
8356         * postreload.c (reload_cse_simplify_set): Use REG_CAN_CHANGE_MODE_P
8357         instead of CANNOT_CHANGE_MODE_CLASS.
8358         (reload_cse_simplify_operands): Likewise.
8359         * reload.c (push_reload): Use targetm.can_change_mode_class
8360         instead of CANNOT_CHANGE_MODE_CLASS.
8361         (push_reload): Likewise.  Also use REG_CAN_CHANGE_MODE_P instead of
8362         REG_CANNOT_CHANGE_MODE_P.
8363         * config/alpha/alpha.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8364         * config/alpha/alpha.c (alpha_can_change_mode_class): New function.
8365         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8366         * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8367         * config/arm/arm.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8368         (arm_can_change_mode_class): New function.
8369         * config/arm/neon.md: Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
8370         than CANNOT_CHANGE_MODE_CLASS in comments.
8371         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8372         * config/i386/i386-protos.h (ix86_cannot_change_mode_class): Delete.
8373         * config/i386/i386.c (ix86_cannot_change_mode_class): Replace with...
8374         (ix86_can_change_mode_class): ...this new function, inverting the
8375         sense of the return value.
8376         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8377         * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8378         * config/ia64/ia64.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8379         (ia64_can_change_mode_class): New function.
8380         * config/m32c/m32c.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8381         * config/m32c/m32c-protos.h (m32c_cannot_change_mode_class): Delete.
8382         * config/m32c/m32c.c (m32c_cannot_change_mode_class): Replace with...
8383         (m32c_can_change_mode_class): ...this new function, inverting the
8384         sense of the return value.
8385         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8386         * config/mips/mips.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8387         * config/mips/mips-protos.h (mips_cannot_change_mode_class): Delete.
8388         * config/mips/mips.c (mips_cannot_change_mode_class): Replace with...
8389         (mips_can_change_mode_class): ...this new function, inverting the
8390         sense of the return value.
8391         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8392         * config/msp430/msp430.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8393         * config/msp430/msp430.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8394         (msp430_can_change_mode_class): New function.
8395         * config/nvptx/nvptx.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8396         * config/nvptx/nvptx.c (nvptx_can_change_mode_class): New function.
8397         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8398         * config/pa/pa32-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8399         * config/pa/pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8400         * config/pa/pa-protos.h (pa_cannot_change_mode_class): Delete.
8401         * config/pa/pa.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8402         (pa_cannot_change_mode_class): Replace with...
8403         (pa_can_change_mode_class): ...this new function, inverting the
8404         sense of the return value.
8405         (pa_modes_tieable_p): Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
8406         than CANNOT_CHANGE_MODE_CLASS in comments.
8407         * config/pdp11/pdp11.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8408         * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class): Delete.
8409         * config/pdp11/pdp11.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8410         (pdp11_cannot_change_mode_class): Replace with...
8411         (pdp11_can_change_mode_class): ...this new function, inverting the
8412         sense of the return value.
8413         * config/powerpcspe/powerpcspe.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8414         * config/powerpcspe/powerpcspe-protos.h
8415         (rs6000_cannot_change_mode_class_ptr): Delete.
8416         * config/powerpcspe/powerpcspe.c
8417         (rs6000_cannot_change_mode_class_ptr): Delete.
8418         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8419         (rs6000_option_override_internal): Assign to
8420         targetm.can_change_mode_class instead of
8421         rs6000_cannot_change_mode_class_ptr.
8422         (rs6000_cannot_change_mode_class): Replace with...
8423         (rs6000_can_change_mode_class): ...this new function, inverting the
8424         sense of the return value.
8425         (rs6000_debug_cannot_change_mode_class): Replace with...
8426         (rs6000_debug_can_change_mode_class): ...this new function.
8427         * config/riscv/riscv.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8428         * config/riscv/riscv.c (riscv_can_change_mode_class): New function.
8429         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8430         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8431         * config/rs6000/rs6000-protos.h (rs6000_cannot_change_mode_class_ptr):
8432         Delete.
8433         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class_ptr): Delete.
8434         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8435         (rs6000_option_override_internal): Assign to
8436         targetm.can_change_mode_class instead of
8437         rs6000_cannot_change_mode_class_ptr.
8438         (rs6000_cannot_change_mode_class): Replace with...
8439         (rs6000_can_change_mode_class): ...this new function, inverting the
8440         sense of the return value.
8441         (rs6000_debug_cannot_change_mode_class): Replace with...
8442         (rs6000_debug_can_change_mode_class): ...this new function.
8443         * config/s390/s390.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8444         * config/s390/s390-protos.h (s390_cannot_change_mode_class): Delete.
8445         * config/s390/s390.c (s390_cannot_change_mode_class): Replace with...
8446         (s390_can_change_mode_class): ...this new function, inverting the
8447         sense of the return value.
8448         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8449         * config/sh/sh.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8450         * config/sh/sh-protos.h (sh_cannot_change_mode_class): Delete.
8451         * config/sh/sh.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8452         (sh_cannot_change_mode_class): Replace with...
8453         (sh_can_change_mode_class): ...this new function, inverting the
8454         sense of the return value.
8455         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8456         * config/sparc/sparc.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8457         (sparc_can_change_mode_class): New function.
8458         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8459         * config/spu/spu.c (spu_can_change_mode_class): New function.
8460         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8461         * config/visium/visium.h (CANNOT_CHANGE_MODE_CLASS): Delete.
8462         * config/visium/visium.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
8463         (visium_can_change_mode_class): New function.
8464         * system.h (CANNOT_CHANGE_MODE_CLASS): Poison.
8466 2017-09-15  Richard Biener  <rguenther@suse.de>
8468         PR tree-optimization/82217
8469         * tree-ssa-sccvn.c (visit_phi): Properly handle all VN_TOP
8470         but not undefined case.
8472 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
8474         PR target/82145
8475         * postreload.c (reload_cse_simplify_operands): Skip
8476         NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL.
8478 2017-09-15  Richard Biener  <rguenther@suse.de>
8480         PR tree-optimization/68823
8481         * graphite-scop-detection.c (build_alias_set): If we have a
8482         possible dependence check whether we can handle them by just
8483         looking at the DRs DR_ACCESS_FNs.
8484         (build_scops): If build_alias_set fails, fail the SCOP.
8486 2017-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8488         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_1_HW): New macros
8489         to support float128 built-in functions that require the ISA 3.0
8490         hardware.
8491         (BU_FLOAT128_3_HW): Likewise.
8492         (SQRTF128): Add support for the IEEE 128-bit square root and fma
8493         built-in functions.
8494         (FMAF128): Likewise.
8495         (FMAQ): Likewise.
8496         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8497         support for built-in functions that need the ISA 3.0 IEEE 128-bit
8498         floating point instructions.
8499         (rs6000_invalid_builtin): Likewise.
8500         (rs6000_builtin_mask_names): Likewise.
8501         * config/rs6000/rs6000.h (MASK_FLOAT128_HW): Likewise.
8502         (RS6000_BTM_FLOAT128_HW): Likewise.
8503         (RS6000_BTM_COMMON): Likewise.
8504         * config/rs6000/rs6000.md (fma<mode>4_hw): Add a generator
8505         function.
8506         * doc/extend.texi (RS/6000 built-in functions): Document the
8507         IEEE 128-bit floating point square root and fused multiply-add
8508         built-in functions.
8510 2017-09-14  Pat Haugen  <pthaugen@us.ibm.com>
8512         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): Make sure the TOC
8513         reg (r2) isn't in the set of registers defined in the prologue.
8515 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8516             Alan Hayward  <alan.hayward@arm.com>
8517             David Sherwood  <david.sherwood@arm.com>
8519         * tree-vectorizer.h (_loop_vec_info): Add max_vectorization_factor.
8520         (LOOP_VINFO_MAX_VECT_FACTOR): New macro.
8521         (LOOP_VINFO_ORIG_VECT_FACTOR): Replace with...
8522         (LOOP_VINFO_ORIG_MAX_VECT_FACTOR): ...this new macro.
8523         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Update
8524         accordingly.
8525         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
8526         max_vectorization_factor.
8527         (vect_analyze_loop_2): Set LOOP_VINFO_MAX_VECT_FACTOR.
8529 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8530             Alan Hayward  <alan.hayward@arm.com>
8531             David Sherwood  <david.sherwood@arm.com>
8533         * tree-vectorizer.h (vect_min_worthwhile_factor): Delete.
8534         (vect_worthwhile_without_simd_p): Declare.
8535         * tree-vect-loop.c (vect_worthwhile_without_simd_p): New function.
8536         (vectorizable_reduction): Use it.
8537         * tree-vect-stmts.c (vectorizable_shift): Likewise.
8538         (vectorizable_operation): Likewise.
8540 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8541             Alan Hayward  <alan.hayward@arm.com>
8542             David Sherwood  <david.sherwood@arm.com>
8544         * tree-vectorizer.h (vect_get_num_copies): New function.
8545         * tree-vect-data-refs.c (vect_get_data_access_cost): Use it.
8546         * tree-vect-loop.c (vectorizable_reduction): Likewise.
8547         (vectorizable_induction): Likewise.
8548         (vectorizable_live_operation): Likewise.
8549         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
8550         (vectorizable_bswap): Likewise.
8551         (vectorizable_call): Likewise.
8552         (vectorizable_conversion): Likewise.
8553         (vectorizable_assignment): Likewise.
8554         (vectorizable_shift): Likewise.
8555         (vectorizable_operation): Likewise.
8556         (vectorizable_store): Likewise.
8557         (vectorizable_load): Likewise.
8558         (vectorizable_condition): Likewise.
8559         (vectorizable_comparison): Likewise.
8560         (vect_analyze_stmt): Pass the slp node to vectorizable_live_operation.
8562 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8563             Alan Hayward  <alan.hayward@arm.com>
8564             David Sherwood  <david.sherwood@arm.com>
8566         * tree-vect-loop.c (vectorizable_induction): Use gimple_build instead
8567         of vect_init_vector.
8569 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8570             Alan Hayward  <alan.hayward@arm.com>
8571             David Sherwood  <david.sherwood@arm.com>
8573         * gimple-fold.h (gimple_build_vector_from_val): Declare, and provide
8574         an inline wrapper that provides a location.
8575         (gimple_build_vector): Likewise.
8576         * gimple-fold.c (gimple_build_vector_from_val): New function.
8577         (gimple_build_vector): Likewise.
8578         * tree-vect-loop.c (get_initial_def_for_reduction): Use the new
8579         functions to build the initial value.  Always return a gimple value.
8580         (get_initial_defs_for_reduction): Likewise.  Only compute
8581         neutral_vec once.
8582         (vect_create_epilog_for_reduction): Don't call force_gimple_operand or
8583         vect_init_vector on the results from get_initial_def(s)_for_reduction.
8584         (vectorizable_induction): Use gimple_build_vector rather than
8585         vect_init_vector.
8587 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8588             Alan Hayward  <alan.hayward@arm.com>
8589             David Sherwood  <david.sherwood@arm.com>
8591         * target.h (vec_perm_indices): New typedef.
8592         (auto_vec_perm_indices): Likewise.
8593         * optabs-query.h: Include target.h
8594         (can_vec_perm_p): Take a vec_perm_indices *.
8595         * optabs-query.c (can_vec_perm_p): Likewise.
8596         (can_mult_highpart_p): Update accordingly.  Use auto_vec_perm_indices.
8597         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
8598         * tree-vect-generic.c (lower_vec_perm): Likewise.
8599         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
8600         (vect_grouped_load_supported): Likewise.
8601         (vect_shift_permute_load_chain): Likewise.
8602         (vect_permute_store_chain): Use auto_vec_perm_indices.
8603         (vect_permute_load_chain): Likewise.
8604         * fold-const.c (fold_vec_perm): Take vec_perm_indices.
8605         (fold_ternary_loc): Update accordingly.  Use auto_vec_perm_indices.
8606         Update uses of can_vec_perm_p.
8607         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Replace the
8608         mode with a number of elements.  Take a vec_perm_indices *.
8609         (vect_create_epilog_for_reduction): Update accordingly.
8610         Use auto_vec_perm_indices.
8611         (have_whole_vector_shift): Likewise.  Update call to can_vec_perm_p.
8612         * tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
8613         (vect_transform_slp_perm_load): Likewise.
8614         (vect_schedule_slp_instance): Use auto_vec_perm_indices.
8615         * tree-vectorizer.h (vect_gen_perm_mask_any): Take a vec_perm_indices.
8616         (vect_gen_perm_mask_checked): Likewise.
8617         * tree-vect-stmts.c (vect_gen_perm_mask_any): Take a vec_perm_indices.
8618         (vect_gen_perm_mask_checked): Likewise.
8619         (vectorizable_mask_load_store): Use auto_vec_perm_indices.
8620         (vectorizable_store): Likewise.
8621         (vectorizable_load): Likewise.
8622         (perm_mask_for_reverse): Likewise.  Update call to can_vec_perm_p.
8623         (vectorizable_bswap): Likewise.
8625 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8626             Alan Hayward  <alan.hayward@arm.com>
8627             David Sherwood  <david.sherwood@arm.com>
8629         * tree.h (build_vector): Take a vec<tree> instead of a tree *.
8630         * tree.c (build_vector): Likewise.
8631         (build_vector_from_ctor): Update accordingly.
8632         (build_vector_from_val): Likewise.
8633         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
8634         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
8635         * tree-vect-generic.c (add_rshift): Likewise.
8636         (expand_vector_divmod): Likewise.
8637         (optimize_vector_constructor): Likewise.
8638         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
8639         (vect_transform_slp_perm_load): Likewise.
8640         (vect_schedule_slp_instance): Likewise.
8641         * tree-vect-stmts.c (vectorizable_bswap): Likewise.
8642         (vectorizable_call): Likewise.
8643         (vect_gen_perm_mask_any): Likewise.  Add elements in order.
8644         * expmed.c (make_tree): Likewise.
8645         * fold-const.c (fold_negate_expr_1): Use auto_vec<tree> when building
8646         a vector passed to build_vector.
8647         (fold_convert_const): Likewise.
8648         (exact_inverse): Likewise.
8649         (fold_ternary_loc): Likewise.
8650         (fold_relational_const): Likewise.
8651         (const_binop): Likewise.  Use VECTOR_CST_ELT directly when operating
8652         on VECTOR_CSTs, rather than going through vec_cst_ctor_to_array.
8653         (const_unop): Likewise.  Store the reduction accumulator in a
8654         variable rather than an array.
8655         (vec_cst_ctor_to_array): Take the number of elements as a parameter.
8656         (fold_vec_perm): Update calls accordingly.  Use auto_vec<tree> for
8657         the new vector, rather than constructing it after the input arrays.
8658         (native_interpret_vector): Use auto_vec<tree> when building
8659         a vector passed to build_vector.  Add elements in order.
8660         * tree-vect-loop.c (get_initial_defs_for_reduction): Use
8661         auto_vec<tree> when building a vector passed to build_vector.
8662         (vect_create_epilog_for_reduction): Likewise.
8663         (vectorizable_induction): Likewise.
8664         (get_initial_def_for_reduction): Likewise.  Fix indentation of
8665         case statements.
8666         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Change n_elts
8667         to a vec<tree> *.
8668         (sparc_fold_builtin): Use auto_vec<tree> when building a vector
8669         passed to build_vector.
8671 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
8672             Alan Hayward  <alan.hayward@arm.com>
8673             David Sherwood  <david.sherwood@arm.com>
8675         * tree-core.h (tree_base::u): Add an "nelts" field.
8676         (tree_vector): Use VECTOR_CST_NELTS as the length.
8677         * tree.c (tree_size): Likewise.
8678         (make_vector): Initialize VECTOR_CST_NELTS.
8679         * tree.h (VECTOR_CST_NELTS): Use the u.nelts field.
8680         * cfgexpand.c (expand_debug_expr): Use VECTOR_CST_NELTS instead of
8681         TYPE_VECTOR_SUBPARTS.
8682         * expr.c (const_vector_mask_from_tree): Consistently use "units"
8683         as the number of units, setting it from VECTOR_CST_NELTS.
8684         (const_vector_from_tree): Likewise.
8685         * fold-const.c (negate_expr_p): Use VECTOR_CST_NELTS instead of
8686         TYPE_VECTOR_SUBPARTS for the number of elements in a VECTOR_CST.
8687         (fold_negate_expr_1): Likewise.
8688         (fold_convert_const): Likewise.
8689         (const_binop): Likewise.  Differentiate the number of output and
8690         input elements.
8691         (const_unop): Likewise.
8692         (fold_ternary_loc): Use VECTOR_CST_NELTS for the number of elements
8693         in a VECTOR_CST, asserting that it is the same as TYPE_VECTOR_SUBPARTS
8694         in cases that did the opposite.
8696 2017-09-14  Richard Biener  <rguenther@suse.de>
8698         * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar
8699         to VN_TOP.
8701 2017-09-14  Eric Botcazou  <ebotcazou@adacore.com>
8703         * dwarf2out.c (dwarf2out_source_line): Remove superfluous test.
8705 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
8707         PR target/81325
8708         * cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions
8709         if and where to split a bb, except for splitting before debug insn
8710         sequences followed by non-label real insn.  Delete debug insns
8711         in between basic blocks.
8713         * combine.c (make_compound_operation_int): Formatting fixes.
8715         * config/alpha/elf.h (LINK_EH_SPEC): Add -static-pie support.
8716         * config/alpha/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
8717         * config/netbsd.h (LINK_EH_SPEC): Likewise.
8718         * config/sol2.h (LINK_EH_SPEC): Likewise.
8719         * config/arm/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
8720         * config/s390/linux.h (LINK_SPEC): Likewise.
8721         * config/freebsd.h (LINK_EH_SPEC): Likewise.
8722         * config/openbsd.h (LINK_EH_SPEC): Likewise.
8723         * config/lm32/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
8724         * config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Likewise.
8725         * config/powerpcspe/sysv4.h (LINK_EH_SPEC): Likewise.
8726         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
8727         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Fix a typo.
8728         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Formatting fix.
8730 2017-09-13  Jakub Jelinek  <jakub@redhat.com>
8732         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Add -static-pie
8733         support.
8734         (ENDFILE_LINUX_SPEC): Likewise.
8735         (LINK_EH_SPEC): Likewise.
8736         * config/rs6000/linux64.h (LINK_SHLIB_SPEC): Likewise.
8737         (LINK_OS_LINUX_SPEC32): Likewise.
8738         (LINK_OS_LINUX_SPEC64): Likewise.
8739         * config/rs6000/linux.h (LINK_SHLIB_SPEC): Likewise.
8740         (LINK_OS_LINUX_SPEC): Likewise.
8742 2017-09-13  Martin Liska  <mliska@suse.cz>
8744         PR middle-end/82154
8745         * stmt.c (expand_sjlj_dispatch_table): Use CASE_LOW when
8746         CASE_HIGH is NULL_TREE.
8748 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
8749             Alan Hayward  <alan.hayward@arm.com>
8750             David Sherwood  <david.sherwood@arm.com>
8752         * target.def (secondary_memory_needed): New hook.
8753         (secondary_reload): Refer to TARGET_SECONDARY_MEMORY_NEEDED
8754         instead of SECONDARY_MEMORY_NEEDED.
8755         (secondary_memory_needed_mode): Likewise.
8756         * hooks.h (hook_bool_mode_reg_class_t_reg_class_t_false): Declare.
8757         * hooks.c (hook_bool_mode_reg_class_t_reg_class_t_false): New function.
8758         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED): Replace with...
8759         (TARGET_SECONDARY_MEMORY_NEEDED): ...this.
8760         (SECONDARY_MEMORY_NEEDED_RTX): Update reference accordingly.
8761         * doc/tm.texi: Regenerate.
8762         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Delete.
8763         * config/alpha/alpha.c (alpha_secondary_memory_needed): New function.
8764         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8765         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED): Delete.
8766         * config/i386/i386-protos.h (ix86_secondary_memory_needed): Delete.
8767         * config/i386/i386.c (inline_secondary_memory_needed): Put the
8768         mode argument first and change the reg_class arguments to reg_class_t.
8769         (ix86_secondary_memory_needed): Likewise.  Remove the strict parameter.
8770         Make static.  Update the call to inline_secondary_memory_needed.
8771         (ix86_register_move_cost): Update the call to
8772         inline_secondary_memory_needed.
8773         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8774         * config/ia64/ia64.h (SECONDARY_MEMORY_NEEDED): Delete commented-out
8775         definition.
8776         * config/ia64/ia64.c (spill_xfmode_rfmode_operand): Refer to
8777         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
8778         in comment.
8779         * config/mips/mips.h (SECONDARY_MEMORY_NEEDED): Delete.
8780         * config/mips/mips-protos.h (mips_secondary_memory_needed): Delete.
8781         * config/mips/mips.c (mips_secondary_memory_needed): Make static
8782         and match hook interface.  Add comment from mips.h.
8783         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8784         * config/mmix/mmix.md (truncdfsf2): Refer to
8785         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
8786         in comment.
8787         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED): Rename to...
8788         (PA_SECONDARY_MEMORY_NEEDED): ...this, and put the mode argument first.
8789         * config/pa/pa.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8790         (pa_secondary_memory_needed): New function.
8791         * config/pdp11/pdp11.h (SECONDARY_MEMORY_NEEDED): Delete.
8792         * config/pdp11/pdp11-protos.h (pdp11_secondary_memory_needed): Delete.
8793         * config/pdp11/pdp11.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8794         (pdp11_secondary_memory_needed): Make static and match hook interface.
8795         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED): Delete.
8796         * config/powerpcspe/powerpcspe-protos.h
8797         (rs6000_secondary_memory_needed_ptr): Delete.
8798         * config/powerpcspe/powerpcspe.c (rs6000_secondary_memory_needed_ptr):
8799         Delete.
8800         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8801         (rs6000_option_override_internal): Assign to
8802         targetm.secondary_memory_needed rather than
8803         rs6000_secondary_memory_needed_ptr.
8804         (rs6000_secondary_memory_needed): Match hook interface.
8805         (rs6000_debug_secondary_memory_needed): Likewise.
8806         * config/riscv/riscv.h (SECONDARY_MEMORY_NEEDED): Delete.
8807         * config/riscv/riscv.c (riscv_secondary_memory_needed): New function.
8808         (riscv_register_move_cost): Use it instead of SECONDARY_MEMORY_NEEDED.
8809         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8810         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED): Delete.
8811         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_ptr):
8812         Delete.
8813         * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_ptr): Delete.
8814         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8815         (rs6000_option_override_internal): Assign to
8816         targetm.secondary_memory_needed rather than
8817         rs6000_secondary_memory_needed_ptr.
8818         (rs6000_secondary_memory_needed): Match hook interface.
8819         (rs6000_debug_secondary_memory_needed): Likewise.
8820         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Delete.
8821         * config/s390/s390.c (s390_secondary_memory_needed): New function.
8822         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8823         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Delete.
8824         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
8825         (sparc_secondary_memory_needed): New function.
8826         * lra-constraints.c (check_and_process_move): Refer to
8827         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
8828         in comment.
8829         (curr_insn_transform): Likewise.
8830         (process_alt_operands): Use targetm.secondary_memory_needed
8831         instead of TARGET_SECONDARY_MEMORY_NEEDED.
8832         (check_secondary_memory_needed_p): Likewise.
8833         (choose_split_class): Likewise.
8834         * reload.c: Unconditionally include code that was previously
8835         conditional on SECONDARY_MEMORY_NEEDED.
8836         (push_secondary_reload): Use targetm.secondary_memory_needed
8837         instead of TARGET_SECONDARY_MEMORY_NEEDED.
8838         (push_reload): Likewise.
8839         * reload1.c: Unconditionally include code that was previously
8840         conditional on SECONDARY_MEMORY_NEEDED.
8841         (choose_reload_regs): Use targetm.secondary_memory_needed
8842         instead of TARGET_SECONDARY_MEMORY_NEEDED.
8843         (gen_reload): Likewise.
8844         * system.h (SECONDARY_MEMORY_NEEDED): Poison.
8846 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
8847             Alan Hayward  <alan.hayward@arm.com>
8848             David Sherwood  <david.sherwood@arm.com>
8850         * target.def (secondary_memory_needed_mode): New hook:
8851         * targhooks.c (default_secondary_memory_needed_mode): Declare.
8852         * targhooks.h (default_secondary_memory_needed_mode): New function.
8853         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED_MODE): Replace with...
8854         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): ...this.
8855         * doc/tm.texi: Regenerate.
8856         * lra-constraints.c (check_and_process_move): Use
8857         targetm.secondary_memory_needed_mode instead of
8858         TARGET_SECONDARY_MEMORY_NEEDED_MODE.
8859         (curr_insn_transform): Likewise.
8860         * reload.c (get_secondary_mem): Likewise.
8861         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
8862         * config/alpha/alpha.c (alpha_secondary_memory_needed_mode): New
8863         function.
8864         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
8865         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
8866         * config/i386/i386.c (ix86_secondary_memory_needed_mode): New function.
8867         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
8868         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED_MODE):
8869         Delete.
8870         * config/powerpcspe/powerpcspe-protos.h
8871         (rs6000_secondary_memory_needed_mode): Delete.
8872         * config/powerpcspe/powerpcspe.c
8873         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
8874         (rs6000_secondary_memory_needed_mode): Make static.
8875         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
8876         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_mode):
8877         Delete.
8878         * config/rs6000/rs6000.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
8879         Redefine.
8880         (rs6000_secondary_memory_needed_mode): Make static.
8881         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
8882         * config/s390/s390.c (s390_secondary_memory_needed_mode): New function.
8883         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
8884         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
8885         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
8886         Redefine.
8887         (sparc_secondary_memory_needed_mode): New function.
8888         * system.h (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Poison.
8890 2017-09-13  Jackson Woodruff  <jackson.woodruff@arm.com>
8892         * config/aarch64/constraints.md (Umq): New constraint.
8893         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>):
8894         Change to use Umq.
8895         (mov<mode>): Update condition.
8897 2017-09-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8899         * gimple-ssa-store-merging.c (sort_by_bitpos): Compare store order
8900         when bitposition is the same.
8902 2017-09-13  Richard Biener  <rguenther@suse.de>
8904         * dwarf2out.c (output_die_symbol): Remove.
8905         (output_die): Do not output a DIEs symbol.
8907 2017-09-13  Richard Biener  <rguenther@suse.de>
8909         PR middle-end/82128
8910         * gimple-fold.c (gimple_fold_call): Update SSA name in-place to
8911         default-def to avoid breaking iterator update with the weird
8912         interaction with cgraph_update_edges_for_call_stmt_node.
8914 2017-09-13  Richard Biener  <rguenther@suse.de>
8916         * tree-cfg.c (verify_gimple_assign_binary): Add verification
8917         for WIDEN_SUM_EXPR, VEC_WIDEN_MULT_{HI,LO,EVEN,ODD}_EXPR,
8918         VEC_PACK_{TRUNC,SAT,FIX_TRUNC}_EXPR.
8919         (verify_gimple_assign_ternary): Add verification for DOT_PROD_EXPR.
8921 2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
8923         * config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
8924         Disable pc relative literal load irrespective of
8925         TARGET_FIX_ERR_A53_84341 for default.
8927 2017-09-12  Eric Botcazou  <ebotcazou@adacore.com>
8929         * config/sparc/sparc.c (output_return): Output the source location of
8930         the insn in the delay slot, if any.
8931         (output_sibcall): Likewise.
8933 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
8935         PR driver/81498
8936         * common.opt (-static-pie): New alias.
8937         (shared): Negate static-pie.
8938         (-no-pie): Update help text.
8939         (-pie): Likewise.
8940         (static-pie): New option.
8941         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
8942         -static-pie support.
8943         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
8944         (LINK_EH_SPEC): Likewise.
8945         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
8946         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
8947         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
8948         * gcc.c (LINK_COMMAND_SPEC): Likewise.
8949         (init_gcc_specs): Likewise.
8950         (init_spec): Likewise.
8951         (display_help): Update help message for -pie.
8952         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
8953         -static-pie.
8955 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
8957         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
8958         (movdi_aarch64): Likewise.
8959         (movti_aarch64): Likewise.
8961 2017-09-12 Simon Wright <simon@pushface.org>
8963         PR target/80204
8964         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
8965         calculation of the minor version, always output as 0.
8967 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
8969         PR target/82112
8970         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
8971         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
8972         on it early, rather than manual conversion late.  For
8973         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
8974         instead of performing manual conversion.
8976 2017-09-12  Carl Love  <cel@us.ibm.com>
8978         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
8979         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
8980         vmulouw, vmulosw.
8981         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8982         VMULOSW): Add definitions.
8983         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8984         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8985         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8986         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8987         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8989 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
8991         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
8992         types correctly.
8993         (movti_aarch64): Likewise.
8994         (movdf_aarch64): Likewise.
8995         (movtf_aarch64): Likewise.
8996         (load_pairdi): Likewise.
8997         (store_pairdi): Likewise.
8998         (load_pairdf): Likewise.
8999         (store_pairdf): Likewise.
9000         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
9001         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
9002         (ldr_got_small_<mode>): Likewise.
9003         (ldr_got_small_28k_<mode>): Likewise.
9004         (ldr_got_tiny): Likewise.
9005         * config/aarch64/iterators.md (ldst_sz): New.
9006         (ldpstp_sz): Likewise.
9007         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
9008         to store_16.
9009         (thunderx_load): Split load_8 to load_16.
9010         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
9011         load_8 to load_16.
9012         (thunderx2t99_storepair_basic): Split store_8 to store_16.
9013         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
9014         (xgene1_store_pair): Split store_8 to store_16.
9015         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
9016         (falkor_st_0_st_sd): Split store_8 to store_16.
9018 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
9020         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
9021         and store1/2/3/4 to store_4/8/12/16.
9022         * config/aarch64/aarch64.md: Update for rename.
9023         * config/arm/arm.md: Likewise.: Likewise.
9024         * config/arm/arm.c: Likewise.
9025         * config/arm/thumb1.md: Likewise.
9026         * config/arm/thumb2.md: Likewise.
9027         * config/arm/vfp.md: Likewise.
9028         * config/arm/arm-generic.md: Likewise.
9029         * config/arm/arm1020e.md: Likewise.
9030         * config/arm/arm1026ejs.md: Likewise.
9031         * config/arm/arm1136jfs.md: Likewise.
9032         * config/arm/arm926ejs.md: Likewise.
9033         * config/arm/cortex-a15.md: Likewise.
9034         * config/arm/cortex-a17.md: Likewise.
9035         * config/arm/cortex-a5.md: Likewise.
9036         * config/arm/cortex-a53.md: Likewise.
9037         * config/arm/cortex-a57.md: Likewise.
9038         * config/arm/cortex-a7.md: Likewise.
9039         * config/arm/cortex-a8.md: Likewise.
9040         * config/arm/cortex-a9.md: Likewise.
9041         * config/arm/cortex-m4.md: Likewise.
9042         * config/arm/cortex-m7.md: Likewise.
9043         * config/arm/cortex-r4.md: Likewise.
9044         * config/arm/exynos-m1.md: Likewise.
9045         * config/arm/fa526.md: Likewise.
9046         * config/arm/fa606te.md: Likewise.
9047         * config/arm/fa626te.md: Likewise.
9048         * config/arm/fa726te.md: Likewise.
9049         * config/arm/fmp626.md: Likewise.
9050         * config/arm/iwmmxt.md: Likewise.
9051         * config/arm/ldmstm.md: Likewise.
9052         * config/arm/marvell-pj4.md: Likewise.
9053         * config/arm/xgene1.md: Likewise.
9054         * config/aarch64/thunderx.md: Likewise.
9055         * config/aarch64/thunderx2t99.md: Likewise.
9056         * config/aarch64/falkor.md: Likewise.
9058 2017-09-12  Martin Liska  <mliska@suse.cz>
9060         * attribs.c (private_lookup_attribute): New function.
9061         * attribs.h (private_lookup_attribute): Declared here.
9062         (lookup_attribute): Called from this place.
9064 2017-09-12  Richard Biener  <rguenther@suse.de>
9066         PR tree-optimization/82157
9067         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
9068         stmts with side-effects.
9070 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9071             Alan Hayward  <alan.hayward@arm.com>
9072             David Sherwood <david.sherwood@arm.com>
9074         * target.def (hard_regno_nregs): New hook.
9075         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
9076         * targhooks.h (default_hard_regno_nregs): Declare.
9077         * targhooks.c (default_hard_regno_nregs): New function.
9078         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
9079         (TARGET_HARD_REGNO_NREGS): ...this hook.
9080         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
9081         (CLASS_MAX_NREGS): Likewise.
9082         * doc/tm.texi: Regenerate.
9083         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
9084         instead of HARD_REGNO_NREGS.
9085         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
9086         HARD_REGNO_NREGS in the comment.
9087         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
9088         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
9089         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
9090         Return an unsigned int.
9091         (TARGET_HARD_REGNO_NREGS): Redefine.
9092         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
9093         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
9094         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
9095         (arc_hard_regno_nregs): New function.
9096         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
9097         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
9098         (arm_hard_regno_nregs): New function.
9099         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
9100         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
9101         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
9102         (TARGET_HARD_REGNO_NREGS): Redefine.
9103         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
9104         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
9105         (HARD_REGNO_NREGS): Delete.
9106         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
9107         (cr16_hard_regno_nregs): New function.
9108         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
9109         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
9110         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
9111         (cris_hard_regno_nregs): New function.
9112         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
9113         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
9114         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
9115         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
9116         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
9117         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
9118         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
9119         (frv_hard_regno_nregs): Make static.  Take and return an
9120         unsigned int.
9121         (frv_class_max_nregs): Remove outdated copy of documentation.
9122         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
9123         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
9124         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
9125         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
9126         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
9127         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
9128         (TARGET_HARD_REGNO_NREGS): Redefine.
9129         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
9130         (CLASS_MAX_NREGS): Update comment.
9131         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
9132         (ia64_hard_regno_nregs): New function.
9133         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
9134         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
9135         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
9136         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
9137         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
9138         an unsigned int.
9139         (m32c_hard_regno_nregs): Likewise.  Make static.
9140         (TARGET_HARD_REGNO_NREGS): Redefine.
9141         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
9142         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
9143         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
9144         (m68k_hard_regno_nregs): New function.
9145         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
9146         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
9147         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
9148         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
9149         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
9150         Take and return an unsigned int.
9151         (TARGET_HARD_REGNO_NREGS): Redefine.
9152         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
9153         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
9154         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
9155         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
9156         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
9157         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
9158         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
9159         (msp430_hard_regno_nregs): Make static.  Take and return an
9160         unsigned int.
9161         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
9162         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
9163         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
9164         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
9165         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
9166         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
9167         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
9168         (TARGET_HARD_REGNO_NREGS): Redefine.
9169         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
9170         (PA_HARD_REGNO_NREGS): ...this.
9171         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
9172         (PA_HARD_REGNO_NREGS): ...this.
9173         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
9174         (pa_hard_regno_nregs): New function.
9175         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
9176         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
9177         (pdp11_hard_regno_nregs): New function.
9178         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
9179         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
9180         (rs6000_hard_regno_nregs_hook): New function.
9181         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
9182         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
9183         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
9184         Take and return an unsigned int.  Move earlier in file.
9185         (TARGET_HARD_REGNO_NREGS): Redefine.
9186         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
9187         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
9188         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
9189         (rl78_hard_regno_nregs): Make static.  Take and return an
9190         unsigned int.
9191         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
9192         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
9193         (rs6000_hard_regno_nregs_hook): New function.
9194         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
9195         * config/rx/rx.c (rx_hard_regno_nregs): New function.
9196         (TARGET_HARD_REGNO_NREGS): Redefine.
9197         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
9198         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
9199         instead of HARD_REGNO_NREGS.
9200         (s390_hard_regno_nregs): New function.
9201         (s390_hard_regno_mode_ok): Add comment from s390.h.
9202         (TARGET_HARD_REGNO_NREGS): Redefine.
9203         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
9204         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
9205         (sh_hard_regno_nregs): New function.
9206         (sh_pass_in_reg_p): Use it.
9207         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
9208         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
9209         (sparc_hard_regno_nregs): New function.
9210         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
9211         * config/spu/spu.c (spu_hard_regno_nregs): New function.
9212         (spu_function_arg_advance): Use it, supplying a valid register number.
9213         (TARGET_HARD_REGNO_NREGS): Redefine.
9214         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
9215         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
9216         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
9217         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
9218         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
9219         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
9220         (CLASS_MAX_NREGS): Remove copy of old documentation.
9221         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
9222         (visium_hard_regno_nregs): New function.
9223         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
9224         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
9225         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
9226         xtensa_hard_regno_nregs): New function.
9227         * system.h (HARD_REGNO_NREGS): Poison.
9229 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9231         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
9232         hard_regno_nregs instead of HARD_REGNO_NREGS.
9233         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9234         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
9235         (c6x_expand_epilogue): Likewise.
9236         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
9237         (frv_read_iacc_argument): Likewise.
9238         * config/sh/sh.c: Include regs.h.
9239         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
9240         (regs_used): Likewise.
9241         (output_stack_adjust): Likewise.
9242         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
9243         * expmed.c: Include regs.h.
9244         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
9245         * ree.c: Include regs.h.
9246         (combine_reaching_defs): Use hard_regno_nregs instead of
9247         HARD_REGNO_NREGS.
9248         (add_removable_extension): Likewise.
9250 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9252         * regs.h (hard_regno_nregs): Turn into a function.
9253         (end_hard_regno): Update accordingly.
9254         * caller-save.c (setup_save_areas): Likewise.
9255         (save_call_clobbered_regs): Likewise.
9256         (replace_reg_with_saved_mem): Likewise.
9257         (insert_restore): Likewise.
9258         (insert_save): Likewise.
9259         * combine.c (can_change_dest_mode): Likewise.
9260         (move_deaths): Likewise.
9261         (distribute_notes): Likewise.
9262         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
9263         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
9264         (rs6000_split_multireg_move): Likewise.
9265         (rs6000_register_move_cost): Likewise.
9266         (rs6000_memory_move_cost): Likewise.
9267         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
9268         (rs6000_split_multireg_move): Likewise.
9269         (rs6000_register_move_cost): Likewise.
9270         (rs6000_memory_move_cost): Likewise.
9271         * cselib.c (cselib_reset_table): Likewise.
9272         (cselib_lookup_1): Likewise.
9273         * emit-rtl.c (set_mode_and_regno): Likewise.
9274         * function.c (aggregate_value_p): Likewise.
9275         * ira-color.c (setup_profitable_hard_regs): Likewise.
9276         (check_hard_reg_p): Likewise.
9277         (calculate_saved_nregs): Likewise.
9278         (assign_hard_reg): Likewise.
9279         (improve_allocation): Likewise.
9280         (calculate_spill_cost): Likewise.
9281         * ira-emit.c (modify_move_list): Likewise.
9282         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
9283         (ira_hard_reg_in_set_p): Likewise.
9284         * ira.c (setup_reg_mode_hard_regset): Likewise.
9285         (clarify_prohibited_class_mode_regs): Likewise.
9286         (check_allocation): Likewise.
9287         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9288         (lra_setup_reg_renumber): Likewise.
9289         (setup_try_hard_regno_pseudos): Likewise.
9290         (spill_for): Likewise.
9291         (assign_hard_regno): Likewise.
9292         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
9293         * lra-constraints.c (in_class_p): Likewise.
9294         (lra_constraint_offset): Likewise.
9295         (simplify_operand_subreg): Likewise.
9296         (lra_constraints): Likewise.
9297         (split_reg): Likewise.
9298         (split_if_necessary): Likewise.
9299         (invariant_p): Likewise.
9300         (inherit_in_ebb): Likewise.
9301         * lra-lives.c (process_bb_lives): Likewise.
9302         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
9303         (get_hard_regs): Likewise.
9304         (do_remat): Likewise.
9305         * lra-spills.c (assign_spill_hard_regs): Likewise.
9306         * mode-switching.c (create_pre_exit): Likewise.
9307         * postreload.c (reload_combine_recognize_pattern): Likewise.
9308         * recog.c (peep2_find_free_register): Likewise.
9309         * regcprop.c (kill_value_regno): Likewise.
9310         (set_value_regno): Likewise.
9311         (copy_value): Likewise.
9312         (maybe_mode_change): Likewise.
9313         (find_oldest_value_reg): Likewise.
9314         (copyprop_hardreg_forward_1): Likewise.
9315         * regrename.c (check_new_reg_p): Likewise.
9316         (regrename_do_replace): Likewise.
9317         * reload.c (push_reload): Likewise.
9318         (combine_reloads): Likewise.
9319         (find_dummy_reload): Likewise.
9320         (operands_match_p): Likewise.
9321         (find_reloads): Likewise.
9322         (find_equiv_reg): Likewise.
9323         (reload_adjust_reg_for_mode): Likewise.
9324         * reload1.c (count_pseudo): Likewise.
9325         (count_spilled_pseudo): Likewise.
9326         (find_reg): Likewise.
9327         (clear_reload_reg_in_use): Likewise.
9328         (free_for_value_p): Likewise.
9329         (allocate_reload_reg): Likewise.
9330         (choose_reload_regs): Likewise.
9331         (reload_adjust_reg_for_temp): Likewise.
9332         (emit_reload_insns): Likewise.
9333         (delete_output_reload): Likewise.
9334         * rtlanal.c (subreg_get_info): Likewise.
9335         * sched-deps.c (sched_analyze_reg): Likewise.
9336         * sel-sched.c (init_regs_for_mode): Likewise.
9337         (mark_unavailable_hard_regs): Likewise.
9338         (choose_best_reg_1): Likewise.
9339         (verify_target_availability): Likewise.
9340         * valtrack.c (dead_debug_insert_temp): Likewise.
9341         * var-tracking.c (track_loc_p): Likewise.
9342         (emit_note_insn_var_location): Likewise.
9343         * varasm.c (make_decl_rtl): Likewise.
9344         * reginfo.c (choose_hard_reg_mode): Likewise.
9345         (init_reg_modes_target): Refer directly to
9346         this_target_regs->x_hard_regno_nregs.
9348 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9350         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
9351         instead of hard_regno_nregs.
9353 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9355         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
9356         end_hard_regno instead of hard_regno_nregs.
9357         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
9358         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
9359         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
9360         * ira-color.c (improve_allocation): Likewise.
9361         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9362         * lra-lives.c (mark_regno_live): Likewise.
9363         (mark_regno_dead): Likewise.
9364         * lra-remat.c (operand_to_remat): Likewise.
9365         * lra.c (collect_non_operand_hard_regs): Likewise.
9366         * postreload.c (reload_combine_note_store): Likewise.
9367         (move2add_valid_value_p): Likewise.
9368         * reload.c (regno_clobbered_p): Likewise.
9370 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9372         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
9373         hard_regno_nregs.
9374         * config/v850/v850.c (v850_reorg): Likewise.
9375         * reload.c (refers_to_regno_for_reload_p): Likewise.
9376         (find_equiv_reg): Likewise.
9377         * reload1.c (reload_reg_reaches_end_p): Likewise.
9379 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9381         * caller-save.c (add_used_regs): Use REG_NREGS instead of
9382         hard_regno_nregs.
9383         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
9384         * config/arm/arm.c (output_move_neon): Likewise.
9385         (arm_attr_length_move_neon): Likewise.
9386         (neon_split_vcombine): Likewise.
9387         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
9388         (c6x_mark_reg_written): Likewise.
9389         (c6x_dwarf_register_span): Likewise.
9390         * config/i386/i386.c (ix86_save_reg): Likewise.
9391         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
9392         (rws_access_reg): Likewise.
9393         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
9394         * mode-switching.c (create_pre_exit): Likewise.
9395         * ree.c (combine_reaching_defs): Likewise.
9396         (add_removable_extension): Likewise.
9397         * regcprop.c (find_oldest_value_reg): Likewise.
9398         (copyprop_hardreg_forward_1): Likewise.
9399         * reload.c (reload_inner_reg_of_subreg): Likewise.
9400         (push_reload): Likewise.
9401         (combine_reloads): Likewise.
9402         (find_dummy_reload): Likewise.
9403         (reload_adjust_reg_for_mode): Likewise.
9404         * reload1.c (find_reload_regs): Likewise.
9405         (forget_old_reloads_1): Likewise.
9406         (reload_reg_free_for_value_p): Likewise.
9407         (reload_adjust_reg_for_temp): Likewise.
9408         (emit_reload_insns): Likewise.
9409         (delete_output_reload): Likewise.
9410         * sel-sched.c (choose_best_reg_1): Likewise.
9411         (choose_best_pseudo_reg): Likewise.
9413 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9414             Alan Hayward  <alan.hayward@arm.com>
9415             David Sherwood <david.sherwood@arm.com>
9417         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
9418         * target.def (slow_unaligned_access): New hook.
9419         * targhooks.h (default_slow_unaligned_access): Declare.
9420         * targhooks.c (default_slow_unaligned_access): New function.
9421         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
9422         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
9423         * doc/tm.texi: Regenerate.
9424         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
9425         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
9426         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
9427         definition.
9428         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
9429         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
9430         Redefine.
9431         (rs6000_slow_unaligned_access): New function.
9432         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
9433         (expand_block_compare): Likewise.
9434         (expand_strn_compare): Likewise.
9435         (rs6000_rtx_costs): Likewise.
9436         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
9437         (riscv_slow_unaligned_access): Likewise.
9438         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
9439         (riscv_slow_unaligned_access_p): ...this and make static.
9440         (riscv_option_override): Update accordingly.
9441         (riscv_slow_unaligned_access): New function.
9442         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
9443         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
9444         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
9445         (rs6000_slow_unaligned_access): New function.
9446         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
9447         (rs6000_rtx_costs): Likewise.
9448         * config/rs6000/rs6000-string.c (expand_block_compare)
9449         (expand_strn_compare): Use targetm.slow_unaligned_access instead
9450         of SLOW_UNALIGNED_ACCESS.
9451         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
9452         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
9453         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
9454         of SLOW_UNALIGNED_ACCESS.
9455         * expmed.c (simple_mem_bitfield_p): Likewise.
9456         * expr.c (alignment_for_piecewise_move): Likewise.
9457         (emit_group_load_1): Likewise.
9458         (emit_group_store): Likewise.
9459         (copy_blkmode_from_reg): Likewise.
9460         (emit_push_insn): Likewise.
9461         (expand_assignment): Likewise.
9462         (store_field): Likewise.
9463         (expand_expr_real_1): Likewise.
9464         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
9465         * lra-constraints.c (simplify_operand_subreg): Likewise.
9466         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
9467         * gimple-ssa-store-merging.c: Likewise in block comment at start
9468         of file.
9469         * tree-ssa-strlen.c: Include target.h.
9470         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
9471         of SLOW_UNALIGNED_ACCESS.
9472         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
9474 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
9476         PR rtl-optimization/82185
9477         * expmed.c (emit_store_flag_int): Only test tem if it has been
9478         initialized.
9480 2017-09-12  Richard Biener  <rguenther@suse.de>
9482         PR middle-end/82149
9483         * match.pd ((FTYPE) N CMP CST): Fix typo.
9485 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
9487         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
9488         attribute.
9489         (mips_near_type_p): Add 'short_call' attribute as a synonym
9490         for 'near'.
9491         * doc/extend.texi (short_call): Document new function attribute.
9493 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
9495         PR target/82112
9496         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
9497         assertion check that in the condition.
9498         (get_atomic_generic_size): Likewise.  Before testing if parameter
9499         has pointer type, if it has array type, call for C++
9500         default_conversion to perform array-to-pointer conversion.
9502 2017-09-12  Richard Biener  <rguenther@suse.de>
9504         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
9505         for operations we cannot scalarize.
9507 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
9509         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
9510         vectors heap vectors.  Clean up comments.
9511         Make visited_bbs a reference.
9512         (profitable_jump_thread_path): Make GC
9513         vectors heap vectors.  Clean up comments.
9514         Misc cleanups.
9515         (convert_and_register_jump_thread_path): Make GC vectors heap
9516         vectors.
9517         (check_subpath_and_update_thread_path): Same.  Clean up comments.
9518         Make visited_bbs a reference.
9519         (handle_phi): Abstract common code to to
9520         register_jump_thread_path_if_profitable.
9521         Rename VAR_BB to DEF_BB.
9522         Update comments.
9523         Make GC vectors heap vectors.
9524         Make visited_bbs a reference.
9525         (handle_assignment): Same.
9526         (register_jump_thread_path_if_profitable): New.
9527         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
9528         DEF_BB.
9529         Make GC vectors heap vectors.  Clean up comments.
9530         Make visited_bbs a reference.
9531         (find_jump_threads_backwards): Make visited_bbs live in the stack.
9532         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
9533         comment.
9535 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
9537         PR target/82181
9538         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
9539         words of E_DImode object are reachable by xtensa_uimm8x4 access.
9541 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
9543         Revert r251800 and r251799.
9545 2017-09-11  Martin Jambor  <mjambor@suse.cz>
9547         PR hsa/82119
9548         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
9549         arguments in advance.
9550         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
9551         use it to find predecessor edges.
9552         (naive_outof_ssa): Collect vector of predecessors.
9554 2017-09-08  Jason Merrill  <jason@redhat.com>
9556         PR c++/70029 - ICE with ref-qualifier and -flto
9557         * langhooks.h (struct lang_hooks_for_types): Add
9558         copy_lang_qualifiers.
9559         * attribs.c (build_type_attribute_qual_variant): Use it.
9560         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
9561         NULL.
9562         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9563         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
9565 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
9567         PR target/81988
9568         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
9569         (*mulsi3_sp64): New instruction.
9570         (mulsi3): New expander.
9572 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
9574         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
9576 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9578         * sancov.c: Include memmodel.h.
9580 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
9582         PR target/80897
9583         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
9584         large offsets.
9586 2017-09-07  Carl Love  <cel@us.ibm.com>
9588         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
9589         the sldi instruction.
9591 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
9593         * sancov.c: Include tm_p.h.
9595 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
9597         PR target/81979
9598         * output.h (switch_to_other_text_partition): New declaration.
9599         * varasm.c (switch_to_other_text_partition): New function.
9600         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
9601         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
9602         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
9603         to the other text partition before emitting LCL label and switch back
9604         after emitting the word after it.
9606 2017-09-07  Richard Biener  <rguenther@suse.de>
9608         * passes.def (pass_split_crit_edges): Remove instance before PRE.
9609         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
9610         critical edges here, after loop init.
9611         (pass_data_pre): Remove PROP_no_crit_edges flags.
9612         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
9613         for valueization of call args to avoid leaking VN_TOP.
9614         (visit_use): Assert we do not visit default defs.
9615         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
9616         Use error_mark_node to more easily detect leaking VN_TOP.
9617         All default-defs are varying, not VN_TOP.  Mark them visited.
9618         (run_scc_vn): Make code match comment.
9620 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9622         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
9623         OPTION_MASK_FLOAT128_KEYWORD.
9624         (POWERPC_MASKS): Likewise.
9625         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
9626         support for the -mfloat128-type option, and make -mfloat128
9627         default on PowerPC Linux systems.  Define or undefine
9628         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
9629         Define __float128 to be __ieee128 if IEEE 128-bit support is
9630         enabled, or undefine it.
9631         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
9632         Delete defining __FLOAT128_TYPE__.
9633         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
9634         -mfloat128-type option and make -mfloat128 default on PowerPC
9635         Linux systems.
9636         (TARGET_FLOAT128_TYPE): Likewise.
9637         (-mfloat128-type): Likewise.
9638         * config/rs6000/rs6000.c (rs6000_option_override_internal):
9639         Delete the -mfloat128-type option and make -mfloat128 default on
9640         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
9641         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
9642         128-bit floating point is enabled.  Change tests from using
9643         -mfloat128-type to -mfloat128.
9644         (rs6000_mangle_type): Use the correct mangling for the __float128
9645         type even if normal long double is restricted to 64-bits.
9646         (floatn_mode): Enable the _Float128 type by default on VSX Linux
9647         systems.
9648         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
9649         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
9650         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
9651         -mfloat128-type.
9652         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
9653         documentation for -mfloat128.
9655 2017-09-06  Olivier Hainque  <hainque@adacore.com>
9657         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
9659 2017-09-06  Wish Wu  <wishwu007@gmail.com>
9660             Jakub Jelinek  <jakub@redhat.com>
9662         * asan.c (initialize_sanitizer_builtins): Add
9663         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
9664         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
9665         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
9666         BT_FN_VOID_UINT64_PTR variables.
9667         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
9668         (BT_FN_VOID_UINT16_UINT16): Likewise.
9669         (BT_FN_VOID_UINT32_UINT32): Likewise.
9670         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
9671         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
9672         (BT_FN_VOID_UINT64_PTR): Likewise.
9673         * common.opt (flag_sanitize_coverage): New variable.
9674         (fsanitize-coverage=trace-pc): Remove.
9675         (fsanitize-coverage=): Add.
9676         * flag-types.h (enum sanitize_coverage_code): New enum.
9677         * fold-const.c (fold_range_test): Disable non-short-circuit
9678         optimization if flag_sanitize_coverage.
9679         (fold_truth_andor): Likewise.
9680         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
9681         * opts.c (COVERAGE_SANITIZER_OPT): Define.
9682         (coverage_sanitizer_opts): New array.
9683         (get_closest_sanitizer_option): Add OPTS argument, handle also
9684         OPT_fsanitize_coverage_.
9685         (parse_sanitizer_options): Adjusted to also handle
9686         OPT_fsanitize_coverage_.
9687         (common_handle_option): Add OPT_fsanitize_coverage_.
9688         * sancov.c (instrument_comparison, instrument_switch): New function.
9689         (sancov_pass): Add trace-cmp support.
9690         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
9691         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
9692         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
9693         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
9694         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
9695         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
9696         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
9697         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
9698         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
9699         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
9701 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
9703         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
9704         error.  Only quit immediately if parsing is complete.
9705         (BEGIN): Initialize fatal_err and parse_done.
9706         (begin fpu, end fpu): Check number of arguments.
9707         (begin arch, end arch): Likewise.
9708         (begin cpu, end cpu): Likewise.
9709         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
9710         (optalias): Likewise.
9712 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
9714         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
9715         * config/arm/arm-isa.h: Delete.  Move definitions to ...
9716         * arm-cpus.in: ... here.  Use new feature and fgroup values.
9717         * config/arm/arm.c (arm_option_override): Use lower case for feature
9718         bit names.
9719         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
9720         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
9721         * config/arm/parsecpu.awk (END): Add new command 'isa'.
9722         (isa_pfx): Delete.
9723         (print_isa_bits_for): New function.
9724         (gen_isa): New function.
9725         (gen_comm_data): Use print_isa_bits_for.
9726         (define feature): New keyword.
9727         (define fgroup): New keyword.
9728         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
9729         (arm-isa.h): Add rule to generate file.
9730         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
9731         case for feature bit names.
9733 2017-09-06  Richard Biener  <rguenther@suse.de>
9735         * tree-ssa-pre.c (NECESSARY): Remove.
9736         (create_expression_by_pieces): Do not touch pass-local flags.
9737         (insert_into_preds_of_block): Likewise.
9738         (do_pre_regular_insertion): Likewise.
9739         (eliminate_insert): Likewise.
9740         (eliminate_dom_walker::before_dom_children): Likewise.
9741         (fini_eliminate): Do not look at inserted_exprs.
9742         (mark_operand_necessary): Remove.
9743         (remove_dead_inserted_code): Replace with simple work-list
9744         algorithm based on inserted_exprs and SSA uses.
9745         (pass_pre::execute): Re-order fini_eliminate and
9746         remove_dead_inserted_code.
9748 2017-09-06  Olivier Hainque  <hainque@adacore.com>
9750         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
9751         for VxWorks 7.  Adjust surrounding comments.
9753 2017-09-06  Richard Biener  <rguenther@suse.de>
9755         * gimple-ssa-strength-reduction.c
9756         (find_candidates_dom_walker::before_dom_children): Also allow
9757         pointer types.
9759 2017-09-06  Richard Biener  <rguenther@suse.de>
9761         PR tree-optimization/82108
9762         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
9763         for gap in the non-permutation SLP case.
9765 2017-09-06  Martin Jambor  <mjambor@suse.cz>
9767         PR tree-optimization/82078
9768         * tree-sra.c (sort_and_splice_var_accesses): Move call to
9769         add_access_to_work_queue...
9770         (build_accesses_from_assign): ...here.
9771         (propagate_all_subaccesses): Make sure racc is the group
9772         representative, if there is one.
9774 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
9776         PR middle-end/82095
9777         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
9778         NULL DECL_INITIAL.
9780 2017-09-06  Richard Biener  <rguenther@suse.de>
9782         * gimple-ssa-strength-reduction.c
9783         (find_candidates_dom_walker::before_doom_children): Use a
9784         type and not a mode check.
9786 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9788         PR target/77308
9789         * config/arm/predicates.md (arm_general_adddi_operand): Create new
9790         non-vfp predicate.
9791         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
9793 2017-09-05  Jeff Law  <law@redhat.com>
9795         PR tree-optimization/64910
9796         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
9797         cases where we have 3 or more operands.
9799 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
9801         PR middle-end/81768
9802         * omp-low.c (lower_omp_for): Recompute tree invariant if
9803         gimple_omp_for_initial/final is ADDR_EXPR.
9805         PR middle-end/81768
9806         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
9807         into gimple val before gimplification fo the COND_EXPR.
9809 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
9811         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
9812         REGION_COPY argument.
9813         (thread_through_all_blocks): Remove unused argument to
9814         duplicate_thread_path.
9816 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9817             Alan Hayward  <alan.hayward@arm.com>
9818             David Sherwood  <david.sherwood@arm.com>
9820         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
9821         Take a scalar_mode rather than a machine_mode.
9822         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9823         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
9824         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9825         (aarch64_gen_adjusted_ldpstp): Likewise.
9826         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
9828 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9829             Alan Hayward  <alan.hayward@arm.com>
9830             David Sherwood  <david.sherwood@arm.com>
9832         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
9833         Take a scalar_int_mode instead of a machine_mode.
9834         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
9835         (aarch64_output_scalar_simd_mov_immediate): Likewise.
9836         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
9837         (aarch64_simd_attr_length_rglist): Delete.
9838         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
9839         a scalar_int_mode instead of a machine_mode.
9840         (aarch64_add_offset): Likewise.
9841         (aarch64_internal_mov_immediate): Likewise
9842         (aarch64_add_constant_internal): Likewise.
9843         (aarch64_add_constant): Likewise.
9844         (aarch64_movw_imm): Likewise.
9845         (aarch64_rtx_arith_op_extract_p): Likewise.
9846         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
9847         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
9848         Remove assert that the mode isn't a vector.
9849         (aarch64_output_scalar_simd_mov_immediate): Likewise.
9850         (aarch64_expand_mov_immediate): Update calls after above changes.
9851         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
9852         (aarch64_and_bitmask_imm): Check for scalar integer modes.
9853         (aarch64_move_imm): Likewise.
9854         (aarch64_can_const_movi_rtx_p): Likewise.
9855         (aarch64_strip_extend): Likewise.
9856         (aarch64_extr_rtx_p): Likewise.
9857         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
9858         a CONST_INT when the mode parameter is VOIDmode.
9859         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
9861 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9863         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
9864         * stor-layout.c (bitwise_mode_for_mode): Likewise.
9865         (bitwise_type_for_mode): Update accordingly.
9867 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9869         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
9870         * stor-layout.c (mode_for_size_tree): Likewise.
9871         (mode_for_array): Update accordingly.
9872         (layout_decl): Likewise.
9873         (compute_record_mode): Likewise.  Only set the mode once.
9875 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9877         * target.def (get_mask_mode): Change return type to opt_mode.
9878         Expand commentary.
9879         * doc/tm.texi: Regenerate.
9880         * targhooks.h (default_get_mask_mode): Return an opt_mode.
9881         * targhooks.c (default_get_mask_mode): Likewise.
9882         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
9883         * optabs-query.c (can_vec_mask_load_store_p): Update use of
9884         targetm.get_mask_mode.
9885         * tree.c (build_truth_vector_type): Likewise.
9887 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9889         * machmode.h (mode_for_vector): Return an opt_mode.
9890         * stor-layout.c (mode_for_vector): Likewise.
9891         (mode_for_int_vector): Update accordingly.
9892         (layout_type): Likewise.
9893         * config/i386/i386.c (emit_memmov): Likewise.
9894         (ix86_expand_set_or_movmem): Likewise.
9895         (ix86_expand_vector_init): Likewise.
9896         (ix86_get_mask_mode): Likewise.
9897         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
9898         Likewise.
9899         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
9900         * expmed.c (extract_bit_field_1): Likewise.
9901         * expr.c (expand_expr_real_2): Likewise.
9902         * optabs-query.c (can_vec_perm_p): Likewise.
9903         (can_vec_mask_load_store_p): Likewise.
9904         * optabs.c (expand_vec_perm): Likewise.
9905         * targhooks.c (default_get_mask_mode): Likewise.
9906         * tree-vect-stmts.c (vectorizable_store): Likewise.
9907         (vectorizable_load): Likewise.
9908         (get_vectype_for_scalar_type_and_size): Likewise.
9910 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9912         * machmode.h (mode_for_int_vector): New function.
9913         * stor-layout.c (mode_for_int_vector): Likewise.
9914         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
9915         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
9916         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
9917         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
9918         (s390_expand_vcond): Likewise.
9920 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9922         * machmode.h (opt_machine_mode): New type.
9923         (opt_mode<T>): Allow construction from anything that can be
9924         converted to a T.
9925         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
9926         (mode_for_size): Return an opt_machine_mode.
9927         * stor-layout.c (mode_for_size): Likewise.
9928         (mode_for_size_tree): Update call accordingly.
9929         (bitwise_mode_for_mode): Likewise.
9930         (make_fract_type): Likewise.
9931         (make_accum_type): Likewise.
9932         * caller-save.c (replace_reg_with_saved_mem): Update call
9933         accordingly.
9934         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
9935         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
9936         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
9937         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
9938         * expmed.c (extract_bit_field_1): Likewise.
9939         * reload.c (get_secondary_mem): Likewise.
9940         * varasm.c (assemble_integer): Likewise.
9941         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
9942         early-out.
9944 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9946         * machmode.h (decimal_float_mode_for_size): New function.
9947         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
9948         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
9949         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
9950         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
9951         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
9952         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
9954 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
9956         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
9957         (get_builtin_sync_mode): Likewise.
9958         (expand_ifn_atomic_compare_exchange): Likewise.
9959         (expand_builtin_atomic_clear): Likewise.
9960         (expand_builtin_atomic_test_and_set): Likewise.
9961         (fold_builtin_atomic_always_lock_free): Likewise.
9962         * calls.c (compute_argument_addresses): Likewise.
9963         (emit_library_call_value_1): Likewise.
9964         (store_one_arg): Likewise.
9965         * combine.c (combine_instructions): Likewise.
9966         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
9967         * config/arm/arm.c (arm_function_value): Likewise.
9968         (aapcs_allocate_return_reg): Likewise.
9969         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
9970         * config/i386/i386.c (construct_container): Likewise.
9971         (ix86_gimplify_va_arg): Likewise.
9972         (ix86_expand_sse_cmp): Likewise.
9973         (emit_memmov): Likewise.
9974         (emit_memset): Likewise.
9975         (expand_small_movmem_or_setmem): Likewise.
9976         (ix86_expand_pextr): Likewise.
9977         (ix86_expand_pinsr): Likewise.
9978         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
9979         * config/microblaze/microblaze.c (microblaze_block_move_straight):
9980         Likewise.
9981         * config/mips/mips.c (mips_function_value_1) Likewise.
9982         (mips_block_move_straight): Likewise.
9983         (mips_expand_ins_as_unaligned_store): Likewise.
9984         * config/powerpcspe/powerpcspe.c
9985         (rs6000_darwin64_record_arg_advance_flush): Likewise.
9986         (rs6000_darwin64_record_arg_flush): Likewise.
9987         * config/rs6000/rs6000.c
9988         (rs6000_darwin64_record_arg_advance_flush): Likewise.
9989         (rs6000_darwin64_record_arg_flush): Likewise.
9990         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
9991         (sparc_function_value_1): Likewise.
9992         * config/spu/spu.c (adjust_operand): Likewise.
9993         (spu_emit_branch_or_set): Likewise.
9994         (arith_immediate_p): Likewise.
9995         * emit-rtl.c (gen_lowpart_common): Likewise.
9996         * expr.c (expand_expr_real_1): Likewise.
9997         * function.c (assign_parm_setup_block): Likewise.
9998         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
9999         * reload1.c (alter_reg): Likewise.
10000         * stor-layout.c (mode_for_vector): Likewise.
10001         (layout_type): Likewise.
10003 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
10005         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
10006         (spu_convert_move): Likewise.
10007         * lower-subreg.c (resolve_simple_move): Likewise.
10009 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10011         PR target/81833
10012         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
10013         define_insn to a define_expand.
10014         (altivec_vsum2sws_direct): New define_insn.
10015         (altivec_vsumsws): Convert from a define_insn to a define_expand.
10017 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
10019         * config/arm/arm.c (arm_option_params_internal): Improve setting of
10020         max_insns_skipped.
10022 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
10024         PR target/59501
10025         PR target/81624
10026         PR target/81769
10027         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
10028         realign stack if stack alignment needed is less than incoming
10029         stack boundary.
10031 2017-09-05  Marek Polacek  <polacek@redhat.com>
10033         PR sanitizer/82072
10034         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
10035         check earlier.
10037 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
10039         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
10041 2017-09-05  Richard Biener  <rguenther@suse.de>
10043         PR tree-optimization/82084
10044         * fold-const.c (can_native_encode_string_p): Handle wide characters.
10046 2017-09-05  Richard Biener  <rguenther@suse.de>
10048         PR tree-optimization/82102
10049         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
10051 2017-09-05  Martin Liska  <mliska@suse.cz>
10053         PR tree-optimization/82032
10054         * tree-cfg.c (generate_range_test): New function.
10055         * tree-cfg.h (generate_range_test): Declared here.
10056         * tree-cfgcleanup.c (convert_single_case_switch): New function.
10057         (cleanup_control_expr_graph): Use it.
10058         * tree-switch-conversion.c (try_switch_expansion): Remove
10059         assert.
10060         (emit_case_nodes): Use generate_range_test.
10062 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
10064         PR target/82098
10065         * config/i386/i386.md (*<btsc><mode>_mask): Add
10066         TARGET_USE_BT to insn constraint.
10067         (*btr<mode>_mask): Ditto.
10069 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
10071         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
10072         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
10074 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10076         PR target/77308
10077         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
10078         TARGET_NEON and TARGET_IWMMXT.
10079         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
10080         TARGET_NEON and TARGET_IWMMXT.
10081         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
10083 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
10085         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
10086         (ix86_rewrite_tls_address): Ditto.
10087         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
10088         (ix86_rewrite_tls_address_1): Ditto.
10089         (ix86_rewrite_tls_address): Ditto.
10090         * config/i386/predicates.md (tls_address_pattern): New predicate.
10091         * config/i386/i386.md (TLS address splitter): New splitter.
10093 2017-09-04  Richard Biener  <rguenther@suse.de>
10095         PR tree-optimization/82084
10096         * fold-const.h (can_native_encode_string_p): Declare.
10097         * fold-const.c (can_native_encode_string_p): Factor out from ...
10098         (native_encode_string): ... here.
10099         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
10100         vectorizing stores from constants we later cannot handle.
10102 2017-09-04  Marek Polacek  <polacek@redhat.com>
10104         PR c/81783
10105         * doc/invoke.texi: Update -Wtautological-compare documentation.
10107 2017-09-04  Jeff Law  <law@redhat.com>
10109         PR tree-optimization/64910
10110         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
10111         swap the first and last operand if the last is a constant.
10113 2017-09-04  Marek Polacek  <polacek@redhat.com>
10115         PR sanitizer/82072
10116         * convert.c (do_narrow): When sanitizing signed integer overflows,
10117         bail out for signed types.
10118         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
10120 2017-09-04  Richard Biener  <rguenther@suse.de>
10122         PR tree-optimization/82060
10123         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10124         Move devirtualization after stmt folding and before EH/AB/noreturn
10125         cleanup to get the stmt refs canonicalized.  Use a bool instead
10126         of gimple_modified_p since that doesn't work for NOPs.  Schedule
10127         NOPs generated by folding for removal.
10129 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10130             Alan Hayward  <alan.hayward@arm.com>
10131             David Sherwood  <david.sherwood@arm.com>
10133         * coretypes.h (pad_direction): New enum.
10134         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
10135         (FUNCTION_ARG_PADDING): Likewise.
10136         * target.def (function_arg_padding): New hook.
10137         * targhooks.h (default_function_arg_padding): Declare.
10138         * targhooks.c (default_function_arg_padding): New function.
10139         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
10140         (TARGET_FUNCTION_ARG_PADDING): ...this.
10141         * doc/tm.texi: Regenerate.
10142         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
10143         instead of direction.
10144         (compute_argument_addresses): Likewise.
10145         (load_register_parameters): Likewise.
10146         (emit_library_call_value_1): Likewise.
10147         (store_one_arg): Use targetm.calls.function_arg_padding instead
10148         of FUNCTION_ARG_PADDING.
10149         (must_pass_in_stack_var_size_or_pad): Likewise.
10150         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
10151         (emit_group_store): Likewise.
10152         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
10153         instead of FUNCTION_ARG_PADDING.
10154         (emit_push_insn): Likewise, and propagate enum change throughout
10155         function.
10156         * function.h (direction): Delete.
10157         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
10158         of direction.
10159         * function.c (assign_parm_find_stack_rtl): Likewise.
10160         (assign_parm_setup_block_p): Likewise.
10161         (assign_parm_setup_block): Likewise.
10162         (gimplify_parameters): Likewise.
10163         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
10164         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
10165         function.
10166         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
10167         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
10168         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
10169         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
10170         (aarch64_function_arg_padding): ...this new function.
10171         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
10172         (TARGET_FUNCTION_ARG_PADDING): Redefine.
10173         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
10174         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
10175         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
10176         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10177         (arm_pad_arg_upward): Replace with...
10178         (arm_function_arg_padding): ...this new function.
10179         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
10180         of direction.
10181         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
10182         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
10183         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10184         (ia64_hpux_function_arg_padding): Replace with...
10185         (ia64_function_arg_padding): ...this new function.  Use pad_direction
10186         instead of direction.  Check for TARGET_HPUX.
10187         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
10188         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10189         (iq2000_function_arg_padding): New function.
10190         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
10191         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
10192         (mips_function_arg_padding): ...this new function.
10193         (mips_pad_reg_upward): Update accordingly.
10194         (TARGET_FUNCTION_ARG_PADDING): Redefine.
10195         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
10196         targetm.calls.function_arg_padding.
10197         (FUNCTION_ARG_PADDING): Delete.
10198         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
10199         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
10200         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
10201         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
10202         (nios2_block_reg_padding): Return pad_direction instead of direction.
10203         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
10204         instead of direction.
10205         (nios2_function_arg_padding): Likewise.  Make static.
10206         (TARGET_FUNCTION_ARG_PADDING): Redefine.
10207         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
10208         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
10209         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
10210         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10211         (pa_function_arg_padding): Make static.  Return pad_direction instead
10212         of direction.
10213         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
10214         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
10215         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
10216         instead of direction.  Use targetm.calls.function_arg_padding.
10217         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
10218         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
10219         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
10220         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
10221         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
10222         Redefine.
10223         (function_arg_padding): Rename to...
10224         (rs6000_function_arg_padding): ...this.  Make static.  Return
10225         pad_direction instead of direction.
10226         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
10227         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
10228         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
10229         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
10230         instead of direction.  Use targetm.calls.function_arg_padding.
10231         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
10232         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
10233         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
10234         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
10235         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10236         (function_arg_padding): Rename to...
10237         (rs6000_function_arg_padding): ...this.  Make static.  Return
10238         pad_direction instead of direction.
10239         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
10240         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
10241         * config/s390/s390.c (s390_function_arg_padding): New function.
10242         (TARGET_FUNCTION_ARG_PADDING): Redefine.
10243         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
10244         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
10245         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
10246         (function_arg_padding): Rename to...
10247         (sparc_function_arg_padding): ...this.  Make static.  Return
10248         pad_direction instead of direction.
10249         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
10250         * config/spu/spu.c (spu_function_arg_padding): New function.
10251         (TARGET_FUNCTION_ARG_PADDING): Redefine.
10252         * system.h (FUNCTION_ARG_PADDING): Poison.
10254 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10255             Alan Hayward  <alan.hayward@arm.com>
10256             David Sherwood  <david.sherwood@arm.com>
10258         * target.def (modes_tieable_p): New hook.
10259         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
10260         (TARGET_MODES_TIEABLE_P): ...this.
10261         * doc/tm.texi.in: Regenerate.
10262         * hooks.h (hook_bool_mode_mode_true): Declare.
10263         * hooks.c (hook_bool_mode_mode_true): New function.
10264         * combine.c (subst): Use targetm.modes_tieable_p instead of
10265         MODES_TIEABLE_P.
10266         * dse.c (find_shift_sequence): Likewise.
10267         * expmed.c (extract_low_bits): Likewise.
10268         * lower-subreg.c: Include target.h.
10269         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
10270         MODES_TIEABLE_P.
10271         * rtlanal.c (rtx_cost): Likewise.
10272         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
10273         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
10274         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
10275         (TARGET_MODES_TIEABLE_P): Redefine.
10276         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
10277         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
10278         (TARGET_MODES_TIEABLE_P): Redefine.
10279         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
10280         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
10281         (arc_modes_tieable_p): New function.
10282         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
10283         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
10284         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
10285         (arm_modes_tieable_p): Make static.
10286         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
10287         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
10288         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
10289         (TARGET_MODES_TIEABLE_P): Redefine.
10290         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
10291         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
10292         (TARGET_MODES_TIEABLE_P): Redefine.
10293         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
10294         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
10295         (cr16_modes_tieable_p): New function.
10296         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
10297         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
10298         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
10299         (TRULY_NOOP_TRUNCATION): Update comment.
10300         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
10301         (TRULY_NOOP_TRUNCATION): Update comment.
10302         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
10303         (frv_modes_tieable_p): New function.
10304         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
10305         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
10306         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
10307         (TARGET_MODES_TIEABLE_P): Redefine.
10308         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
10309         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
10310         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
10311         (TARGET_MODES_TIEABLE_P): Redefine.
10312         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
10313         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
10314         (ia64_modes_tieable_p): New function.
10315         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
10316         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
10317         (iq2000_modes_tieable_p): New function.
10318         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
10319         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
10320         (lm32_modes_tieable_p): New function.
10321         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
10322         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
10323         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
10324         (TARGET_MODES_TIEABLE_P): Redefine.
10325         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
10326         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
10327         (m32r_modes_tieable_p): New function.
10328         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
10329         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
10330         (m68k_modes_tieable_p): New function.
10331         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
10332         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
10333         (mcore_modes_tieable_p): New function.
10334         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
10335         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
10336         function.
10337         (TARGET_MODES_TIEABLE_P): Redefine.
10338         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
10339         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
10340         * config/mips/mips.c (mips_modes_tieable_p): Make static.
10341         (TARGET_MODES_TIEABLE_P): Redefine.
10342         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
10343         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
10344         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
10345         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
10346         (mn10300_modes_tieable_p): ...this and make static.
10347         (TARGET_MODES_TIEABLE_P): Redefine.
10348         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
10349         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
10350         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
10351         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
10352         (msp430_modes_tieable_p): Make static.
10353         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
10354         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
10355         (TARGET_MODES_TIEABLE_P): Redefine.
10356         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
10357         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
10358         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
10359         (TARGET_MODES_TIEABLE_P): Redefine.
10360         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
10361         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
10362         * config/pa/pa.c (pa_modes_tieable_p): Make static.
10363         (TARGET_MODES_TIEABLE_P): Redefine.
10364         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
10365         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
10366         (pdp11_modes_tieable_p): New function.
10367         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
10368         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
10369         (rs6000_modes_tieable_p): New function.
10370         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
10371         * config/powerpcspe/powerpcspe.md: Update comment.
10372         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
10373         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
10374         (TARGET_MODES_TIEABLE_P): Redefine.
10375         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
10376         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
10377         (rl78_modes_tieable_p): New function.
10378         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
10379         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
10380         (rs6000_modes_tieable_p): New function.
10381         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
10382         * config/rs6000/rs6000.md: Update comment.
10383         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
10384         * config/rx/rx.c (rx_modes_tieable_p): New function.
10385         (TARGET_MODES_TIEABLE_P): Redefine.
10386         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
10387         * config/s390/s390.c (s390_modes_tieable_p): New function.
10388         (TARGET_MODES_TIEABLE_P): Redefine.
10389         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
10390         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
10391         (sh_modes_tieable_p): New function.
10392         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
10393         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
10394         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
10395         (sparc_modes_tieable_p): Make static.
10396         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
10397         * config/spu/spu.c (spu_modes_tieable_p): New function.
10398         (TARGET_MODES_TIEABLE_P): Redefine.
10399         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
10400         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
10401         (TARGET_MODES_TIEABLE_P): Redefine.
10402         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
10403         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
10404         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
10405         * config/v850/v850.c (v850_modes_tieable_p): New function.
10406         (TARGET_MODES_TIEABLE_P): Redefine.
10407         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
10408         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
10409         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
10410         (visium_modes_tieable_p): New function.
10411         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
10412         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
10413         (xtensa_modes_tieable_p): New function.
10414         * system.h (MODES_TIEABLE_P): Poison.
10416 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10417             Alan Hayward  <alan.hayward@arm.com>
10418             David Sherwood  <david.sherwood@arm.com>
10420         * target.def (hard_regno_mode_ok): New hook.
10421         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
10422         (TARGET_HARD_REGNO_MODE_OK): ...this.
10423         * doc/tm.texi.in: Regenerate.
10424         * hooks.h (hook_bool_uint_mode_true): Declare.
10425         * hooks.c (hook_bool_uint_mode_true): New function.
10426         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
10427         HARD_REGNO_MODE_OK.
10428         * genpreds.c (write_insn_preds_c): Add an include of target.h.
10429         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
10430         instead of HARD_REGNO_MODE_OK.
10431         * caller-save.c: Include target.h.
10432         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
10433         HARD_REGNO_MODE_OK.
10434         * combine.c (can_combine_p): Likewise.
10435         (combinable_i3pat): Likewise.
10436         (can_change_dest_mode): Likewise.
10437         * expr.c (init_expr_target): Likewise.
10438         (convert_move): Likewise.
10439         (convert_modes): Likewise.
10440         * ira.c (setup_prohibited_class_mode_regs): Likewise.
10441         (setup_prohibited_mode_move_regs): Likewise.
10442         * ira.h (target_ira): Likewise.
10443         * lra-assigns.c (find_hard_regno_for_1): Likewise.
10444         * lra-constraints.c (process_alt_operands): Likewise.
10445         (split_reg): Likewise.
10446         * recog.c (peep2_find_free_register): Likewise.
10447         * ree.c (combine_reaching_defs): Likewise.
10448         * regcprop.c (maybe_mode_change): Likewise.
10449         * reginfo.c (init_reg_sets_1): Likewise.
10450         (choose_hard_reg_mode): Likewise.
10451         (simplifiable_subregs): Likewise.
10452         * regrename.c (check_new_reg_p): Likewise.
10453         * reload.c (find_valid_class): Likewise.
10454         (find_valid_class_1): Likewise.
10455         (reload_inner_reg_of_subreg): Likewise.
10456         (push_reload): Likewise.
10457         (combine_reloads): Likewise.
10458         (find_dummy_reload): Likewise.
10459         (find_reloads): Likewise.
10460         * reload1.c (find_reg): Likewise.
10461         (set_reload_reg): Likewise.
10462         (allocate_reload_reg): Likewise.
10463         (choose_reload_regs): Likewise.
10464         (reload_adjust_reg_for_temp): Likewise.
10465         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
10466         (simplify_subreg_regno): Likewise.
10467         * sel-sched.c (init_regs_for_mode): Likewise.
10468         * varasm.c (make_decl_rtl): Likewise.
10469         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
10470         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
10471         HARD_REGNO_MODE_OK.
10472         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
10473         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
10474         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10475         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
10476         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
10477         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10478         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
10479         (arc_mode_class): Delete.
10480         (HARD_REGNO_MODE_OK): Delete.
10481         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10482         (arc_hard_regno_mode_ok): Rename old array to...
10483         (arc_hard_regno_mode_ok_modes): ...this.
10484         (arc_conditional_register_usage): Update accordingly.
10485         (arc_mode_class): Make static.
10486         (arc_hard_regno_mode_ok): New function.
10487         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
10488         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
10489         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10490         (arm_hard_regno_mode_ok): Make static.
10491         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
10492         HARD_REGNO_MODE_OK.
10493         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
10494         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
10495         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
10496         return a bool.
10497         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10498         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
10499         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
10500         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
10501         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
10502         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10503         * config/bfin/predicates.md (valid_reg_operand): Use
10504         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
10505         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
10506         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
10507         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10508         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
10509         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
10510         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10511         (cr16_hard_regno_mode_ok): Make static and return a bool.
10512         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
10513         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10514         (cris_hard_regno_mode_ok): New function.
10515         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
10516         (epiphany_mode_class): Delete.
10517         (HARD_REGNO_MODE_OK): Delete.
10518         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
10519         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10520         (hard_regno_mode_ok): Rename to...
10521         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
10522         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
10523         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
10524         HARD_REGNO_MODE_OK.
10525         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
10526         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
10527         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10528         (frv_hard_regno_mode_ok): Make static and return a bool.
10529         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
10530         HARD_REGNO_MODE_OK.
10531         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
10532         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
10533         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
10534         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
10535         and return a bool.
10536         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10537         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
10538         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
10539         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
10540         return a bool.
10541         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10542         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
10543         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10544         (ia64_hard_regno_mode_ok): New function.
10545         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
10546         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10547         (iq2000_hard_regno_mode_ok): New function.
10548         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
10549         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10550         (lm32_hard_regno_mode_ok): New function.
10551         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
10552         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
10553         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
10554         instead of HARD_REGNO_MODE_OK.
10555         (m32c_hard_regno_ok): Rename to...
10556         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
10557         (m32c_cannot_change_mode_class): Update accordingly.
10558         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10559         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
10560         (m32r_mode_class): Delete.
10561         (HARD_REGNO_MODE_OK): Delete.
10562         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10563         (m32r_hard_regno_mode_ok): Rename to...
10564         (m32r_hard_regno_modes): ...this.
10565         (m32r_mode_class): Make static.
10566         (m32r_hard_regno_mode_ok): New function.
10567         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
10568         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
10569         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10570         (m68k_hard_regno_mode_ok): Make static.
10571         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
10572         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10573         (mcore_hard_regno_mode_ok): New function.
10574         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
10575         (HARD_REGNO_MODE_OK): Delete.
10576         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
10577         Rename to...
10578         (microblaze_hard_regno_mode_ok_p): ...this and make static.
10579         (microblaze_hard_regno_mode_ok): New function.
10580         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10581         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
10582         (mips_hard_regno_mode_ok): Delete.
10583         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
10584         (mips_hard_regno_mode_ok_p): ...this and make static.
10585         (mips_hard_regno_mode_ok_p): Rename to...
10586         (mips_hard_regno_mode_ok_uncached): ...this.
10587         (mips_hard_regno_mode_ok): New function.
10588         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
10589         of HARD_REGNO_MODE_OK.
10590         (mips_option_override): Update after above name changes.
10591         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10592         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
10593         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
10594         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
10595         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
10596         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10597         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
10598         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
10599         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
10600         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10601         (msp430_hard_regno_mode_ok): Make static and return a bool.
10602         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
10603         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
10604         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
10605         and return a bool.
10606         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10607         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
10608         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
10609         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
10610         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
10611         (PA_HARD_REGNO_MODE_OK): ...this
10612         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
10613         (PA_HARD_REGNO_MODE_OK): ...this.
10614         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10615         (pa_hard_regno_mode_ok): New function.
10616         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
10617         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10618         (pdp11_hard_regno_mode_ok): New function.
10619         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
10620         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
10621         Delete.
10622         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
10623         Make static.
10624         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10625         (rs6000_hard_regno_mode_ok): Rename to...
10626         (rs6000_hard_regno_mode_ok_uncached): ...this.
10627         (rs6000_init_hard_regno_mode_ok): Update accordingly.
10628         (rs6000_hard_regno_mode_ok): New function.
10629         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
10630         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
10631         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
10632         (riscv_hard_regno_mode_ok): ...this and make static.
10633         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10634         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
10635         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
10636         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10637         (rl78_hard_regno_mode_ok): Make static and return bool.
10638         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
10639         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
10640         Delete.
10641         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
10642         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10643         (rs6000_hard_regno_mode_ok): Rename to...
10644         (rs6000_hard_regno_mode_ok_uncached): ...this.
10645         (rs6000_init_hard_regno_mode_ok): Update accordingly.
10646         (rs6000_hard_regno_mode_ok): New function.
10647         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
10648         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
10649         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10650         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
10651         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
10652         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
10653         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10654         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
10655         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
10656         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10657         (sh_hard_regno_mode_ok): Make static.
10658         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
10659         instead of HARD_REGNO_MODE_OK.
10660         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
10661         (sparc_mode_class): Delete.
10662         (HARD_REGNO_MODE_OK): Delete.
10663         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10664         (hard_regno_mode_classes): Make static.
10665         (sparc_mode_class): Likewise.
10666         (sparc_hard_regno_mode_ok): New function.
10667         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
10668         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
10669         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
10670         function.
10671         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10672         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
10673         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
10674         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
10675         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
10676         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10677         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
10678         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
10679         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
10680         (visium_hard_regno_mode_ok): New function.
10681         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
10682         instead of HARD_REGNO_MODE_OK.
10683         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
10684         (HARD_REGNO_MODE_OK): Delete.
10685         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
10686         (xtensa_hard_regno_mode_ok_p): ...this and make static.
10687         (xtensa_option_override): Update accordingly.
10688         (TARGET_HARD_REGNO_MODE_OK): Redefine.
10689         (xtensa_hard_regno_mode_ok): New function.
10690         * system.h (HARD_REGNO_MODE_OK): Poison.
10692 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10693             Alan Hayward  <alan.hayward@arm.com>
10694             David Sherwood  <david.sherwood@arm.com>
10696         * target.def (hard_regno_call_part_clobbered): New hook.
10697         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
10698         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
10699         * doc/tm.texi: Regenerate.
10700         * hooks.h (hook_bool_uint_mode_false): Declare.
10701         * hooks.c (hook_bool_uint_mode_false): New function.
10702         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10703         * cselib.c (cselib_process_insn): Use
10704         targetm.hard_regno_call_part_clobbered instead of
10705         HARD_REGNO_CALL_PART_CLOBBERED.
10706         * ira-conflicts.c (ira_build_conflicts): Likewise.
10707         * ira-costs.c (ira_tune_allocno_costs): Likewise.
10708         * lra-constraints.c (need_for_call_save_p): Likewise.
10709         * lra-lives.c: Include target.h.
10710         (check_pseudos_live_through_calls): Use
10711         targetm.hard_regno_call_part_clobbered instead of
10712         HARD_REGNO_CALL_PART_CLOBBERED.
10713         * regcprop.c: Include target.h.
10714         (copyprop_hardreg_forward_1): Use
10715         targetm.hard_regno_call_part_clobbered instead of
10716         HARD_REGNO_CALL_PART_CLOBBERED.
10717         * reginfo.c (choose_hard_reg_mode): Likewise.
10718         * regrename.c (check_new_reg_p): Likewise.
10719         * reload.c (find_equiv_reg): Likewise.
10720         * reload1.c (emit_reload_insns): Likewise.
10721         * sched-deps.c (deps_analyze_insn): Likewise.
10722         * sel-sched.c (init_regs_for_mode): Likewise.
10723         (mark_unavailable_hard_regs): Likewise.
10724         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
10725         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10726         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
10727         New function.
10728         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10729         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10730         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
10731         Delete.
10732         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
10733         and return a bool.
10734         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10735         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10736         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
10737         function.
10738         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10739         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10740         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
10741         function.
10742         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10743         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
10744         Delete.
10745         * config/powerpcspe/powerpcspe.c
10746         (rs6000_hard_regno_call_part_clobbered): New function.
10747         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10748         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10749         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
10750         New function.
10751         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10752         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10753         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
10754         function.
10755         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
10756         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
10757         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
10759 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10760             Alan Hayward  <alan.hayward@arm.com>
10761             David Sherwood  <david.sherwood@arm.com>
10763         * rtl.h (subreg_memory_offset): Declare.
10764         * emit-rtl.c (subreg_memory_offset): New function.
10765         * expmed.c (store_bit_field_1): Use it.
10766         * expr.c (undefined_operand_subword_p): Likewise.
10767         * simplify-rtx.c (simplify_subreg): Likewise.
10769 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
10771         PR rtl-optimization/57448
10772         PR target/67458
10773         PR target/81316
10774         * optabs.c (expand_atomic_load): Place compiler memory barriers if
10775         using atomic_load pattern.
10776         (expand_atomic_store): Likewise.
10778 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
10780         PR sanitizer/81981
10781         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
10782         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
10783         handling.  Use replace_call_with_value with NULL instead of
10784         gsi_replace, unlink_stmt_vdef and release_defs.
10786         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
10787         instead of tab.
10789         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
10791 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
10793         PR bootstrap/82045
10794         * rtl.h (emit_library_call_value_1): Declare.
10795         (emit_library_call): Replace declaration with a series of overloads.
10796         Remove the parameter count argument.
10797         (emit_library_call_value): Likewise.
10798         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
10799         with an "rtx_mode_t *".
10800         (emit_library_call_value): Delete.
10801         (emit_library_call): Likewise.
10802         * asan.c (asan_emit_stack_protection): Update calls accordingly.
10803         (asan_emit_allocas_unpoison): Likewise.
10804         * builtins.c (expand_builtin_powi): Likewise.
10805         (expand_asan_emit_allocas_unpoison): Likewise.
10806         * cfgexpand.c (expand_main_function): Likewise.
10807         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
10808         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
10809         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
10810         * config/arm/arm.c (arm_trampoline_init): Likewise.
10811         (arm_call_tls_get_addr): Likewise.
10812         (arm_expand_divmod_libfunc): Likewise.
10813         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
10814         (smulsi3_highpart): Likewise.
10815         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
10816         (c6x_expand_compare): Likewise.
10817         (c6x_expand_movmem): Likewise.
10818         * config/frv/frv.c (frv_trampoline_init): Likewise.
10819         * config/i386/i386.c (ix86_trampoline_init): Likewise.
10820         (ix86_expand_divmod_libfunc): Likewise.
10821         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
10822         (ia64_expand_compare): Likewise.
10823         (ia64_profile_hook): Likewise.
10824         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
10825         (nonlocal_goto): Likewise.
10826         (restore_stack_nonlocal): Likewise.
10827         * config/m32r/m32r.c (block_move_call): Likewise.
10828         (m32r_trampoline_init): Likewise.
10829         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
10830         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
10831         (m68k_call_m68k_read_tp): Likewise.
10832         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
10833         (microblaze_expand_divide): Likewise.
10834         * config/mips/mips.h (mips_args): Likewise.
10835         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
10836         (MIPS_ICACHE_SYNC): Likewise.
10837         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
10838         (nios2_trampoline_init): Likewise.
10839         * config/pa/pa.c (hppa_tls_call): Likewise.
10840         (pa_trampoline_init): Likewise.
10841         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
10842         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
10843         (expand_strn_compare): Likewise.
10844         (rs6000_generate_compare): Likewise.
10845         (rs6000_expand_float128_convert): Likewise.
10846         (output_profile_hook): Likewise.
10847         (rs6000_trampoline_init): Likewise.
10848         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
10849         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
10850         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
10851         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
10852         (rs6000_generate_compare): Likewise.
10853         (rs6000_expand_float128_convert): Likewise.
10854         (output_profile_hook): Likewise.
10855         (rs6000_trampoline_init): Likewise.
10856         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
10857         * config/sh/sh.c (sh_trampoline_init): Likewise.
10858         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
10859         (sparc_emit_float_lib_cmp): Likewise.
10860         (sparc32_initialize_trampoline): Likewise.
10861         (sparc64_initialize_trampoline): Likewise.
10862         (sparc_profile_hook): Likewise.
10863         * config/spu/spu.c (ea_load_store): Likewise.
10864         * config/spu/spu.md (floatunssidf2): Likewise.
10865         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
10866         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
10867         * config/visium/visium.c (expand_block_move_4): Likewise.
10868         (expand_block_move_2): Likewise.
10869         (expand_block_move_1): Likewise.
10870         (expand_block_set_4): Likewise.
10871         (expand_block_set_2): Likewise.
10872         (expand_block_set_1): Likewise.
10873         (visium_trampoline_init): Likewise.
10874         (visium_profile_hook): Likewise.
10875         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
10876         (xtensa_setup_frame_addresses): Likewise.
10877         (xtensa_trampoline_init): Likewise.
10878         * except.c (sjlj_emit_function_enter): Likewise.
10879         (sjlj_emit_function_exit): Likewise.
10880         * explow.c (allocate_dynamic_stack_space): Likewise.
10881         (probe_stack_range): Likewise.
10882         * expr.c (convert_mode_scalar): Likewise.
10883         * optabs.c (expand_binop): Likewise.
10884         (expand_twoval_binop_libfunc): Likewise.
10885         (expand_unop): Likewise.
10886         (prepare_cmp_insn): Likewise.
10887         (prepare_float_lib_cmp): Likewise.
10888         (expand_float): Likewise.
10889         (expand_fix): Likewise.
10890         (expand_fixed_convert): Likewise.
10891         (maybe_emit_sync_lock_test_and_set): Likewise.
10892         (expand_atomic_compare_and_swap): Likewise.
10893         (expand_mem_thread_fence): Likewise.
10894         (expand_atomic_fetch_op): Likewise.
10896 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
10898         * doc/generic.texi (OpenACC): Adjust URL.
10899         * doc/invoke.texi (C Dialect Options): Ditto.
10901 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
10903         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
10904         predicate for operand 1.  Add (m,<S>) constraint.
10905         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
10906         Prevent memory operand 1 with register operand 2.
10908 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
10910         PR rtl-optimization/82024
10911         * combine.c (try_combine): If the combination result is a PARALLEL,
10912         and we only need to retain the SET in there that would be placed
10913         at I2, check that we can place that at I3 instead, before doing so.
10915 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
10917         PR target/81766
10918         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
10919         instead of void.
10920         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
10921         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
10922         and label.
10924 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
10925             Jeff Law  <law@redhat.com>
10927         * varasm.c (bss_initializer_p): Do not put constants into .bss
10928         (categorize_decl_for_section): Handle bss_initializer_p returning
10929         false when DECL_INITIAL is NULL.
10931 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10933         PR target/82012
10934         * config/s390/s390.c (s390_can_inline_p): New function.
10936 2017-09-01  Jeff Law  <law@redhat.com>
10938         PR tree-optimization/82052
10939         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
10940         Always initialize the returned slot after a hash table miss
10941         when INSERT is true.
10943 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
10945         * config/s390/s390.md (mem_signal_fence): Remove.
10946         * doc/md.texi (mem_signal_fence): Remove.
10947         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
10948         Update comments.
10949         * target-insns.def (mem_signal_fence): Remove.
10951 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
10953         PR sanitizer/81902
10954         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
10956         PR sanitizer/81923
10957         * asan.c (create_odr_indicator): Strip name encoding from assembler
10958         name before appending it after __odr_asan_.
10960 2017-09-01  Martin Liska  <mliska@suse.cz>
10962         PR tree-optimization/82059
10963         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
10964         frequency only when an edge is redirected.
10966 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
10968         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
10969         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
10970         (arc_conditional_register_usage): Remove ARC600 lp_count
10971         exception.
10972         (arc_file_start): Emit Tag_ARC_CPU_variation.
10973         (arc_can_use_doloop_p): New conditions to use ZOLs.
10974         (hwloop_fail): New function.
10975         (hwloop_optimize): Likewise.
10976         (hwloop_pattern_reg): Likewise.
10977         (arc_doloop_hooks): New struct, to be used with reorg_loops.
10978         (arc_reorg_loops): New function, calls reorg_loops.
10979         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
10980         (arc600_corereg_hazard): Remove ZOL checking, case handled by
10981         hwloop_optimize.
10982         (arc_loop_hazard): Remove function, functionality moved into
10983         hwloop_optimize.
10984         (arc_hazard): Remove arc_loop_hazard call.
10985         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
10986         into hwloop_optimize.
10987         (arc_label_align): Remove ZOL handling.
10988         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
10989         * config/arc/arc.md (doloop_begin): Remove pattern.
10990         (doloop_begin_i): Likewise.
10991         (doloop_end_i): Likewise.
10992         (doloop_fallback): Likewise.
10993         (doloop_fallback_m): Likewise.
10994         (doloop_end): Reimplement expand.
10995         (arc_lp): New pattern for LP instruction.
10996         (loop_end): New pattern.
10997         (loop_fail): Likewise.
10998         (decrement_and_branch_until_zero): Likewise.
10999         * config/arc/arc.opt (mlpc-width): New option.
11000         * doc/invoke.texi (mlpc-width): Document option.
11002 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
11004         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
11005         (arc_ccfsm_advance): Fix checking for delay slots.
11006         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
11008 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
11010         * config/arc/arc.md (movqi_insn): Add stores to save constant long
11011         immediates.
11012         (movhi_insn): Update store instruction constraint which are saving
11013         6-bit short immediates.
11014         (movsi_insn): Consider also short scaled load operations.
11015         (zero_extendhisi2_i): Use Usd constraint instead of T.
11016         (extendhisi2_i): Add q constraint.
11017         (arc_clzsi2): Add type and length attributes.
11018         (arc_ctzsi2): Likewise.
11019         * config/arc/constraints.md (Usc): Update constraint, the
11020         assembler can parse two relocations for a single instruction.
11022 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
11024         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
11025         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
11027 2017-08-31  Olivier Hainque  <hainque@adacore.com>
11029         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
11030         match as powerpc-wrs-vxworks*.
11032 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
11034         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
11035         register constraint for by-element operand.
11036         (aarch64_mls_elt_merge<mode>): Likewise.
11038 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
11040         * config/arc/arc.c (arc_can_follow_jump): Check for short
11041         branches.
11043 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
11045         * config.gcc: Use g.opt for arc.
11046         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
11047         functionality moved to ...
11048         (legitimate_scaled_address_p): New function, ...here.
11049         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
11050         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
11051         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
11052         condition.
11053         (arc_override_options): Handle G option.
11054         (arc_output_pic_addr_const): Correct function definition.
11055         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
11056         (arc_decl_anon_ns_mem_p): Delete.
11057         (arc_in_small_data_p): Overhaul this function to take into
11058         consideration the value given via G option.
11059         (arc_rewrite_small_data_1): Renamed and corrected old
11060         arc_rewrite_small_data function.
11061         (arc_rewrite_small_data): New function.
11062         (small_data_pattern): Don't use pic_offset_table_rtx.
11063         * config/arc/arc.h (CC1_SPEC): Recognize G option.
11064         * config/arc/simdext.md (movmisalignv2hi): Use
11065         prepare_move_operands function.
11066         (mov*): Likewise.
11067         (movmisalign*): Likewise.
11068         * doc/invoke.texi (ARC options): Document -G option.
11070 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
11072         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
11073         prototype.
11074         * config/arc/arc.c (arc_print_operand): Output scalled address for
11075         sdata whenever is possible.
11076         (arc_in_small_data_p): Allow sdata for 64bit datum when double
11077         load/stores are available.
11078         (compact_sda_memory_operand): Check for the alignment required by
11079         code density instructions.
11080         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
11081         constraint.
11082         * config/arc/constraints.md (Usd): Update constraint.
11083         (Us0): New constraint.
11084         (Usc): Update constraint.
11086 2017-08-31  Richard Biener  <rguenther@suse.de>
11088         PR middle-end/82054
11089         * dwarf2out.c (dwarf2out_early_global_decl): Process each
11090         function only once.
11092 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
11094         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
11095         Resize type_signature.
11097 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
11098             Alan Hayward  <alan.hayward@arm.com>
11099             David Sherwood  <david.sherwood@arm.com>
11101         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
11102         subregs whose inner modes can be stored in GPRs.
11103         (aarch64_classify_index): Likewise.
11105 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
11106             Alan Hayward  <alan.hayward@arm.com>
11107             David Sherwood  <david.sherwood@arm.com>
11109         * config/aarch64/iterators.md (V_cmp_result): Rename to...
11110         (V_INT_EQUIV): ...this.
11111         (v_cmp_result): Rename to...
11112         (v_int_equiv): ...this.
11113         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
11114         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
11115         (copysign<mode>3): Likewise.
11116         (aarch64_simd_bsl<mode>_internal): Likewise.
11117         (aarch64_simd_bsl<mode>): Likewise.
11118         (vec_cmp<mode><mode>): Likewise.
11119         (vcond<mode><mode>): Likewise.
11120         (vcond<v_cmp_mixed><mode>): Likewise.
11121         (vcondu<mode><v_cmp_mixed>): Likewise.
11122         (aarch64_cm<optab><mode>): Likewise.
11123         (aarch64_cmtst<mode>): Likewise.
11124         (aarch64_fac<optab><mode>): Likewise.
11125         (vec_perm_const<mode>): Likewise.
11126         (vcond_mask_<mode><v_cmp_result>): Rename to...
11127         (vcond_mask_<mode><v_int_equiv>): ...this.
11128         (vec_cmp<mode><v_cmp_result>): Rename to...
11129         (vec_cmp<mode><v_int_equiv>): ...this.
11131 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
11132             Alan Hayward  <alan.hayward@arm.com>
11133             David Sherwood  <david.sherwood@arm.com>
11135         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
11136         vector modes.
11137         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
11138         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
11139         (UNSPEC_LD4_DREG): New unspecs.
11140         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
11141         (aarch64_ld2<mode>_dreg_be): Replace with...
11142         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
11143         unspec.
11144         (aarch64_ld3<mode>_dreg_le)
11145         (aarch64_ld3<mode>_dreg_be): Replace with...
11146         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
11147         unspec.
11148         (aarch64_ld4<mode>_dreg_le)
11149         (aarch64_ld4<mode>_dreg_be): Replace with...
11150         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
11151         unspec.
11153 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11155         PR tree-optimization/81987
11156         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
11157         insert an initializer in a location not dominated by the stride
11158         definition.
11160 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
11162         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
11163         on the entire header of the finally block in the fallthru case.
11165 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
11167         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
11169 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
11171         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
11172         rs6000_emit_move_from_cr and call renamed function.
11173         (rs6000_emit_prologue): Call renamed functions.
11174         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
11175         movesi_from_cr, remove volatile CRs.
11177 2017-08-30  Jon Beniston  <jon@beniston.com>
11178             Richard Biener  <rguenther@suse.de>
11180         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
11181         of VECTOR_MODE_P check.
11182         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
11183         element vector types.
11185 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11187         * df.h (df_read_modify_subreg_p): Remove in favor of...
11188         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
11189         const_rtx instead of an rtx.
11190         * cprop.c (local_cprop_find_used_regs): Update accordingly.
11191         * df-problems.c (df_word_lr_mark_ref): Likewise.
11192         * ira-lives.c (mark_pseudo_reg_live): Likewise.
11193         (mark_pseudo_reg_dead): Likewise.
11194         (mark_ref_dead): Likewise.
11195         * reginfo.c (init_subregs_of_mode): Likewise.
11196         * sched-deps.c (sched_analyze_1): Likewise.
11197         * df-scan.c (df_def_record_1): Likewise.
11198         (df_uses_record): Likewise.
11199         (df_read_modify_subreg_p): Remove in favor of...
11200         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
11201         const_rtx instead of an rtx.
11203 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11204             Alan Hayward  <alan.hayward@arm.com>
11205             David Sherwood  <david.sherwood@arm.com>
11207         * rtl.h (partial_subreg_p): New function.
11208         * caller-save.c (save_call_clobbered_regs): Use it.
11209         * calls.c (expand_call): Likewise.
11210         * combine.c (combinable_i3pat): Likewise.
11211         (simplify_set): Likewise.
11212         (make_extraction): Likewise.
11213         (make_compound_operation_int): Likewise.
11214         (gen_lowpart_or_truncate): Likewise.
11215         (force_to_mode): Likewise.
11216         (make_field_assignment): Likewise.
11217         (reg_truncated_to_mode): Likewise.
11218         (record_truncated_value): Likewise.
11219         (move_deaths): Likewise.
11220         * cse.c (record_jump_cond): Likewise.
11221         (cse_insn): Likewise.
11222         * cselib.c (cselib_lookup_1): Likewise.
11223         * expmed.c (extract_bit_field_using_extv): Likewise.
11224         * function.c (assign_parm_setup_reg): Likewise.
11225         * ifcvt.c (noce_convert_multiple_sets): Likewise.
11226         * ira-build.c (create_insn_allocnos): Likewise.
11227         * lra-coalesce.c (merge_pseudos): Likewise.
11228         * lra-constraints.c (match_reload): Likewise.
11229         (simplify_operand_subreg): Likewise.
11230         (curr_insn_transform): Likewise.
11231         * lra-lives.c (process_bb_lives): Likewise.
11232         * lra.c (new_insn_reg): Likewise.
11233         (lra_substitute_pseudo): Likewise.
11234         * regcprop.c (mode_change_ok): Likewise.
11235         (maybe_mode_change): Likewise.
11236         (copyprop_hardreg_forward_1): Likewise.
11237         * reload.c (push_reload): Likewise.
11238         (find_reloads): Likewise.
11239         (find_reloads_subreg_address): Likewise.
11240         * reload1.c (alter_reg): Likewise.
11241         (eliminate_regs_1): Likewise.
11242         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
11244 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
11246         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
11247         back to if statements, including unpack.
11249 2017-08-30  Martin Liska  <mliska@suse.cz>
11251         PR inline-asm/82001
11252         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
11253         Rename to ...
11254         (func_checker::compare_asm_inputs_outputs): ... this function.
11255         (func_checker::compare_gimple_asm): Use the function to compare
11256         also ASM constrains.
11257         * ipa-icf-gimple.h: Rename the function.
11259 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11260             Alan Hayward  <alan.hayward@arm.com>
11261             David Sherwood  <david.sherwood@arm.com>
11263         * coretypes.h (complex_mode): New type.
11264         * gdbhooks.py (build_pretty_printer): Handle it.
11265         * machmode.h (complex_mode): New class.
11266         (complex_mode::includes_p): New function.
11267         (is_complex_int_mode): Likewise.
11268         (is_complex_float_mode): Likewise.
11269         * genmodes.c (get_mode_class): Handle complex mode classes.
11270         * function.c (expand_function_end): Use is_complex_int_mode.
11272 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11273             Alan Hayward  <alan.hayward@arm.com>
11274             David Sherwood  <david.sherwood@arm.com>
11276         * coretypes.h (scalar_mode_pod): New typedef.
11277         * gdbhooks.py (build_pretty_printer): Handle it.
11278         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
11279         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
11280         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
11281         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
11282         as_a <scalar_mode>.
11284 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11285             Alan Hayward  <alan.hayward@arm.com>
11286             David Sherwood  <david.sherwood@arm.com>
11288         * machmode.h (mode_for_vector): Take a scalar_mode instead
11289         of a machine_mode.
11290         * stor-layout.c (mode_for_vector): Likewise.
11291         * explow.c (promote_mode): Use as_a <scalar_mode>.
11292         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
11294 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11295             Alan Hayward  <alan.hayward@arm.com>
11296             David Sherwood  <david.sherwood@arm.com>
11298         * target.def (preferred_simd_mode): Take a scalar_mode
11299         instead of a machine_mode.
11300         * targhooks.h (default_preferred_simd_mode): Likewise.
11301         * targhooks.c (default_preferred_simd_mode): Likewise.
11302         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
11303         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
11304         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
11305         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
11306         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
11307         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
11308         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
11309         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
11310         Likewise.
11311         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
11312         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
11313         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
11314         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
11315         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
11316         * doc/tm.texi: Regenerate.
11317         * optabs-query.c (can_vec_mask_load_store_p): Return false for
11318         non-scalar modes.
11320 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11321             Alan Hayward  <alan.hayward@arm.com>
11322             David Sherwood  <david.sherwood@arm.com>
11324         * target.def (scalar_mode_supported_p): Take a scalar_mode
11325         instead of a machine_mode.
11326         * targhooks.h (default_scalar_mode_supported_p): Likewise.
11327         * targhooks.c (default_scalar_mode_supported_p): Likewise.
11328         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
11329         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
11330         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
11331         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
11332         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
11333         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
11334         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
11335         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
11336         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
11337         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
11338         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
11339         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
11340         Likewise.
11341         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
11342         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
11343         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
11344         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
11345         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
11346         Likewise.
11347         * doc/tm.texi: Regenerate.
11349 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11350             Alan Hayward  <alan.hayward@arm.com>
11351             David Sherwood  <david.sherwood@arm.com>
11353         * coretypes.h (opt_scalar_mode): New typedef.
11354         * gdbhooks.py (build_pretty_printers): Handle it.
11355         * machmode.h (mode_iterator::get_2xwider): Add overload for
11356         opt_mode<T>.
11357         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
11358         over scalar modes.
11359         * expr.c (convert_mode_scalar): Likewise.
11360         * omp-low.c (omp_clause_aligned_alignment): Likewise.
11361         * optabs.c (expand_float): Likewise.
11362         (expand_fix): Likewise.
11363         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
11365 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11366             Alan Hayward  <alan.hayward@arm.com>
11367             David Sherwood  <david.sherwood@arm.com>
11369         * optabs.c (expand_float): Explicitly check for scalars before
11370         using a branching expansion.
11371         (expand_fix): Likewise.
11373 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11374             Alan Hayward  <alan.hayward@arm.com>
11375             David Sherwood  <david.sherwood@arm.com>
11377         * expr.c (convert_mode): Split scalar handling out into...
11378         (convert_mode_scalar): ...this new function.  Treat the modes
11379         as scalar_modes.
11381 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11382             Alan Hayward  <alan.hayward@arm.com>
11383             David Sherwood  <david.sherwood@arm.com>
11385         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
11386         and scalar_mode.
11387         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
11389 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11390             Alan Hayward  <alan.hayward@arm.com>
11391             David Sherwood  <david.sherwood@arm.com>
11393         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
11394         rather than a machine_mode.
11395         (fixed_from_string): Likewise.
11396         (fixed_convert): Likewise.
11397         (fixed_convert_from_int): Likewise.
11398         (fixed_convert_from_real): Likewise.
11399         (real_convert_from_fixed): Likewise.
11400         * fixed-value.c (fixed_from_double_int): Likewise.
11401         (fixed_from_string): Likewise.
11402         (fixed_convert): Likewise.
11403         (fixed_convert_from_int): Likewise.
11404         (fixed_convert_from_real): Likewise.
11405         (real_convert_from_fixed): Likewise.
11406         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
11408 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11409             Alan Hayward  <alan.hayward@arm.com>
11410             David Sherwood  <david.sherwood@arm.com>
11412         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
11413         of separate mode class checks.  Do not allow vector modes here.
11414         (immed_wide_int_const): Use as_a <scalar_mode>.
11415         * explow.c (trunc_int_for_mode): Likewise.
11416         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
11417         (wi::shwi): Likewise.
11418         (wi::min_value): Likewise.
11419         (wi::max_value): Likewise.
11420         * dwarf2out.c (loc_descriptor): Likewise.
11421         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
11422         for CONST_WIDE_INT.
11424 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11425             Alan Hayward  <alan.hayward@arm.com>
11426             David Sherwood  <david.sherwood@arm.com>
11428         * tree.h (SCALAR_TYPE_MODE): New macro.
11429         * expr.c (expand_expr_addr_expr_1): Use it.
11430         (expand_expr_real_2): Likewise.
11431         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
11432         (fold_convert_const_fixed_from_int): Likewise.
11433         (fold_convert_const_fixed_from_real): Likewise.
11434         (native_encode_fixed): Likewise
11435         (native_encode_complex): Likewise
11436         (native_encode_vector): Likewise.
11437         (native_interpret_fixed): Likewise.
11438         (native_interpret_real): Likewise.
11439         (native_interpret_complex): Likewise.
11440         (native_interpret_vector): Likewise.
11441         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
11442         (simd_clone_adjust_argument_types): Likewise.
11443         (simd_clone_init_simd_arrays): Likewise.
11444         (simd_clone_adjust): Likewise.
11445         * stor-layout.c (layout_type): Likewise.
11446         * tree.c (build_minus_one_cst): Likewise.
11447         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
11448         * tree-inline.c (estimate_move_cost): Likewise.
11449         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
11450         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
11451         (vectorizable_reduction): Likewise.
11452         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
11453         (vect_recog_mixed_size_cond_pattern): Likewise.
11454         (check_bool_pattern): Likewise.
11455         (adjust_bool_pattern): Likewise.
11456         (search_type_for_mask_1): Likewise.
11457         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
11458         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
11459         (vectorizable_load): Likewise.
11460         (vectorizable_store): Likewise.
11461         * ubsan.c (ubsan_encode_value): Likewise.
11462         * varasm.c (output_constant): Likewise.
11464 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11465             Alan Hayward  <alan.hayward@arm.com>
11466             David Sherwood  <david.sherwood@arm.com>
11468         * coretypes.h (scalar_mode): New class.
11469         * machmode.h (scalar_mode): Likewise.
11470         (scalar_mode::includes_p): New function.
11471         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
11472         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
11473         * genmodes.c (get_mode_class): Handle remaining scalar modes.
11474         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
11475         * expmed.c (store_bit_field_1): Likewise.
11476         (extract_bit_field_1): Likewise.
11477         * expr.c (write_complex_part): Likewise.
11478         (read_complex_part): Likewise.
11479         (emit_move_complex_push): Likewise.
11480         (expand_expr_real_2): Likewise.
11481         * function.c (assign_parm_setup_reg): Likewise.
11482         (assign_parms_unsplit_complex): Likewise.
11483         * optabs.c (expand_binop): Likewise.
11484         * rtlanal.c (subreg_get_info): Likewise.
11485         * simplify-rtx.c (simplify_immed_subreg): Likewise.
11486         * varasm.c (output_constant_pool_2): Likewise.
11488 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11489             Alan Hayward  <alan.hayward@arm.com>
11490             David Sherwood  <david.sherwood@arm.com>
11492         * expmed.c (extract_high_half): Use scalar_int_mode and remove
11493         assertion.
11494         (expmed_mult_highpart_optab): Likewise.
11495         (expmed_mult_highpart): Likewise.
11497 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11498             Alan Hayward  <alan.hayward@arm.com>
11499             David Sherwood  <david.sherwood@arm.com>
11501         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
11502         instead of a machine_mode.
11503         (builtin_memset_read_str): Likewise.
11504         * builtins.c (c_readstr): Likewise.
11505         (builtin_memcpy_read_str): Likewise.
11506         (builtin_strncpy_read_str): Likewise.
11507         (builtin_memset_read_str): Likewise.
11508         (builtin_memset_gen_str): Likewise.
11509         (expand_builtin_signbit): Use scalar_int_mode for local variables.
11510         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
11511         instead of a machine_mode.
11512         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
11513         variables.
11514         (make_extraction): Likewise.
11515         (try_widen_shift_mode): Take and return scalar_int_modes instead
11516         of machine_modes.
11517         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
11518         a scalar_int_mode instead of a machine_mode.
11519         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
11520         (avr_addr_space_pointer_mode): Likewise.
11521         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
11522         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
11523         (msp430_unwind_word_mode): Likewise.
11524         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
11525         (spu_addr_space_pointer_mode): Likewise.
11526         (spu_addr_space_address_mode): Likewise.
11527         (spu_libgcc_cmp_return_mode): Likewise.
11528         (spu_libgcc_shift_count_mode): Likewise.
11529         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
11530         (rl78_addr_space_pointer_mode): Likewise.
11531         (fl78_unwind_word_mode): Likewise.
11532         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
11533         machine_mode.
11534         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
11535         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
11536         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
11537         (mips_valid_pointer_mode): Likewise.
11538         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
11539         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
11540         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
11541         of a machine_mode.
11542         (ft32_addr_space_address_mode): Likewise.
11543         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
11544         scalar_int_mode instead of a machine_mode.
11545         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
11546         of a machine_mode.
11547         (m32c_addr_space_address_mode): Likewise.
11548         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
11549         (rs6000_eh_return_filter_mode): Likewise.
11550         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
11551         (rs6000_eh_return_filter_mode): Likewise.
11552         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
11553         (s390_libgcc_shift_count_mode): Likewise.
11554         (s390_unwind_word_mode): Likewise.
11555         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
11556         machine_mode.
11557         * target.def (mode_rep_extended): Likewise.
11558         (valid_pointer_mode): Likewise.
11559         (addr_space.valid_pointer_mode): Likewise.
11560         (eh_return_filter_mode): Return a scalar_int_mode rather than
11561         a machine_mode.
11562         (libgcc_cmp_return_mode): Likewise.
11563         (libgcc_shift_count_mode): Likewise.
11564         (unwind_word_mode): Likewise.
11565         (addr_space.pointer_mode): Likewise.
11566         (addr_space.address_mode): Likewise.
11567         * doc/tm.texi: Regenerate.
11568         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
11569         a machine_mode.
11570         (do_jump): Use scalar_int_mode for local variables.
11571         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
11572         rather than a machine_mode.
11573         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
11574         (scompare_loc_descriptor_wide): Likewise.
11575         (scompare_loc_descriptor_narrow): Likewise.
11576         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
11577         variables.
11578         * except.c (sjlj_emit_dispatch_table): Likewise.
11579         (expand_builtin_eh_copy_values): Likewise.
11580         * explow.c (convert_memory_address_addr_space_1): Likewise.
11581         Take a scalar_int_mode rather than a machine_mode.
11582         (convert_memory_address_addr_space): Take a scalar_int_mode rather
11583         than a machine_mode.
11584         (memory_address_addr_space): Use scalar_int_mode for local variables.
11585         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
11586         rather than a machine_mode.
11587         * expmed.c (mask_rtx): Likewise.
11588         (init_expmed_one_conv): Likewise.
11589         (expand_mult_highpart_adjust): Likewise.
11590         (extract_high_half): Likewise.
11591         (expmed_mult_highpart_optab): Likewise.
11592         (expmed_mult_highpart): Likewise.
11593         (expand_smod_pow2): Likewise.
11594         (expand_sdiv_pow2): Likewise.
11595         (emit_store_flag_int): Likewise.
11596         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
11597         variables.
11598         (extract_low_bits): Likewise.
11599         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
11600         a machine_mode.
11601         * expr.c (pieces_addr::adjust):  Likewise.
11602         (can_store_by_pieces): Likewise.
11603         (store_by_pieces): Likewise.
11604         (clear_by_pieces_1): Likewise.
11605         (expand_expr_addr_expr_1): Likewise.
11606         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
11607         (expand_expr_real_1): Likewise.
11608         (try_casesi): Likewise.
11609         * final.c (shorten_branches): Likewise.
11610         * fold-const.c (fold_convert_const_int_from_fixed): Change the
11611         type of "mode" to machine_mode.
11612         * internal-fn.c (expand_arith_overflow_result_store): Take a
11613         scalar_int_mode rather than a machine_mode.
11614         (expand_mul_overflow): Use scalar_int_mode for local variables.
11615         * loop-doloop.c (doloop_modify): Likewise.
11616         (doloop_optimize): Likewise.
11617         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
11618         than a machine_mode.
11619         (expand_doubleword_shift_condmove): Likewise.
11620         (expand_doubleword_shift): Likewise.
11621         (expand_doubleword_clz): Likewise.
11622         (expand_doubleword_popcount): Likewise.
11623         (expand_doubleword_parity): Likewise.
11624         (expand_absneg_bit): Use scalar_int_mode for local variables.
11625         (prepare_float_lib_cmp): Likewise.
11626         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
11627         rather than a machine_mode.
11628         (convert_memory_address_addr_space): Likewise.
11629         (get_mode_bounds): Likewise.
11630         (get_address_mode): Return a scalar_int_mode rather than a
11631         machine_mode.
11632         * rtlanal.c (get_address_mode): Likewise.
11633         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
11634         than a machine_mode.
11635         * targhooks.c (default_mode_rep_extended): Likewise.
11636         (default_valid_pointer_mode): Likewise.
11637         (default_addr_space_valid_pointer_mode): Likewise.
11638         (default_eh_return_filter_mode): Return a scalar_int_mode rather
11639         than a machine_mode.
11640         (default_libgcc_cmp_return_mode): Likewise.
11641         (default_libgcc_shift_count_mode): Likewise.
11642         (default_unwind_word_mode): Likewise.
11643         (default_addr_space_pointer_mode): Likewise.
11644         (default_addr_space_address_mode): Likewise.
11645         * targhooks.h (default_eh_return_filter_mode): Likewise.
11646         (default_libgcc_cmp_return_mode): Likewise.
11647         (default_libgcc_shift_count_mode): Likewise.
11648         (default_unwind_word_mode): Likewise.
11649         (default_addr_space_pointer_mode): Likewise.
11650         (default_addr_space_address_mode): Likewise.
11651         (default_mode_rep_extended): Take a scalar_int_mode rather than
11652         a machine_mode.
11653         (default_valid_pointer_mode): Likewise.
11654         (default_addr_space_valid_pointer_mode): Likewise.
11655         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
11656         local variables.
11657         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
11658         rather than a machine_mode.
11659         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
11660         for local variables.
11661         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
11662         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
11663         than a machine_mode.
11665 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11666             Alan Hayward  <alan.hayward@arm.com>
11667             David Sherwood  <david.sherwood@arm.com>
11669         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
11670         the mode argument to scalar_int_mode.
11671         (do_jump_by_parts_zero_rtx): Likewise.
11672         (do_jump_by_parts_equality_rtx): Likewise.
11673         (do_jump_by_parts_greater): Take a mode argument.
11674         (do_jump_by_parts_equality): Likewise.
11675         (do_jump_1): Update calls accordingly.
11677 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11678             Alan Hayward  <alan.hayward@arm.com>
11679             David Sherwood  <david.sherwood@arm.com>
11681         * is-a.h (safe_dyn_cast): New function.
11682         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
11683         (jump_table_for_label): Likewise.
11684         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
11685         instead of an rtx_insn *.
11686         (shorten_branches): Use dyn_cast instead of LABEL_P and
11687         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
11688         rtx_jump_table_data::get_data_mode.
11689         (final_scan_insn): Likewise.
11691 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11692             Alan Hayward  <alan.hayward@arm.com>
11693             David Sherwood  <david.sherwood@arm.com>
11695         * combine.c (try_combine): Use is_a <scalar_int_mode> when
11696         trying to combine a full-register integer set with a subreg
11697         integer set.
11699 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11700             Alan Hayward  <alan.hayward@arm.com>
11701             David Sherwood  <david.sherwood@arm.com>
11703         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
11704         that is always either address_mode or pointer_mode.
11706 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11707             Alan Hayward  <alan.hayward@arm.com>
11708             David Sherwood  <david.sherwood@arm.com>
11710         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
11711         when the two are known to be equal.
11713 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11714             Alan Hayward  <alan.hayward@arm.com>
11715             David Sherwood  <david.sherwood@arm.com>
11717         * simplify-rtx.c (simplify_const_unary_operation): Use
11718         is_a <scalar_int_mode> instead of checking for a nonzero
11719         precision.  Forcibly convert op_mode to a scalar_int_mode
11720         in that case.  More clearly differentiate the operand and
11721         result modes and use the former when deciding what the value
11722         of a count-bits operation should be.  Use is_int_mode instead
11723         of checking for a MODE_INT.  Remove redundant check for whether
11724         this mode has a zero precision.
11726 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11727             Alan Hayward  <alan.hayward@arm.com>
11728             David Sherwood  <david.sherwood@arm.com>
11730         * optabs.c (widen_leading): Change the type of the mode argument
11731         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
11732         (widen_bswap): Likewise.
11733         (expand_parity): Likewise.
11734         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
11735         (expand_ffs): Likewise.
11736         (epand_unop): Check for scalar integer modes before calling the
11737         above routines.
11739 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11740             Alan Hayward  <alan.hayward@arm.com>
11741             David Sherwood  <david.sherwood@arm.com>
11743         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
11744         Expand commentary.
11745         (expand_expr_real_1): Update call accordingly.
11747 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11748             Alan Hayward  <alan.hayward@arm.com>
11749             David Sherwood  <david.sherwood@arm.com>
11751         * expmed.c (store_bit_field_using_insv): Add op0_mode and
11752         value_mode arguments.  Use scalar_int_mode internally.
11753         (store_bit_field_1): Rename the new integer mode from imode
11754         to op0_mode and use it instead of GET_MODE (op0).  Update calls
11755         to store_split_bit_field, store_bit_field_using_insv and
11756         store_fixed_bit_field.
11757         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
11758         Use scalar_int_mode internally.  Use a bit count rather than a mode
11759         when calculating the largest bit size for get_best_mode.
11760         Update calls to store_split_bit_field and store_fixed_bit_field_1.
11761         (store_fixed_bit_field_1): Add mode and value_mode arguments.
11762         Remove assertion that OP0 has a scalar integer mode.
11763         (store_split_bit_field): Add op0_mode and value_mode arguments.
11764         Update calls to extract_fixed_bit_field.
11765         (extract_bit_field_using_extv): Add an op0_mode argument.
11766         Use scalar_int_mode internally.
11767         (extract_bit_field_1): Rename the new integer mode from imode to
11768         op0_mode and use it instead of GET_MODE (op0).  Update calls to
11769         extract_split_bit_field, extract_bit_field_using_extv and
11770         extract_fixed_bit_field.
11771         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
11772         to extract_split_bit_field and extract_fixed_bit_field_1.
11773         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
11774         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
11775         on the target mode.
11776         (extract_split_bit_field): Add an op0_mode argument.  Update call
11777         to extract_fixed_bit_field.
11779 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11780             Alan Hayward  <alan.hayward@arm.com>
11781             David Sherwood  <david.sherwood@arm.com>
11783         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
11784         * explow.c (hard_function_value): Likewise.
11785         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
11786         convert_to_mode call outside the loop.
11787         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
11788         for the mode iterator.  Require the mode specified by max_pieces
11789         to exist.
11790         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
11791         mode iterator.
11792         (copy_blkmode_to_reg): Likewise.
11793         (set_storage_via_setmem): Likewise.
11794         * optabs.c (prepare_cmp_insn): Likewise.
11795         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
11796         * stor-layout.c (finish_bitfield_representative): Likewise.
11798 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11799             Alan Hayward  <alan.hayward@arm.com>
11800             David Sherwood  <david.sherwood@arm.com>
11802         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
11803         * expr.c (convert_move): Use them.
11804         (convert_modes): Likewise.
11805         (store_expr_with_bounds): Likewise.
11807 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11808             Alan Hayward  <alan.hayward@arm.com>
11809             David Sherwood  <david.sherwood@arm.com>
11811         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
11812         parameter for the mode of "x".  Remove the "known_x", "known_mode"
11813         and "known_ret" arguments.  Change the type of the mode argument
11814         to scalar_int_mode.
11815         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
11816         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
11817         (reg_num_sign_bit_copies_for_combine): Likewise.
11818         * rtlanal.c (nonzero_bits1): Likewise.
11819         (num_sign_bit_copies1): Likewise.
11820         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
11821         (reg_num_sign_bit_copies_general): Likewise.
11822         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
11823         (reg_nonzero_bits_general): Likewise.
11825 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11826             Alan Hayward  <alan.hayward@arm.com>
11827             David Sherwood  <david.sherwood@arm.com>
11829         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
11830         than in subroutines.  Return 1 for non-integer modes.
11831         (cached_num_sign_bit_copies): Change the type of the mode parameter
11832         to scalar_int_mode.
11833         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
11834         classes.  Handle CONST_INT_P first and then check whether X also
11835         has a scalar integer mode.  Check the same thing for inner registers
11836         of a SUBREG and for values that are being extended or truncated.
11838 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11839             Alan Hayward  <alan.hayward@arm.com>
11840             David Sherwood  <david.sherwood@arm.com>
11842         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
11843         in subroutines.  Return the mode mask for non-integer modes.
11844         (cached_nonzero_bits): Change the type of the mode parameter
11845         to scalar_int_mode.
11846         (nonzero_bits1): Likewise.  Remove early exit for other mode
11847         classes.  Handle CONST_INT_P first and then check whether X
11848         also has a scalar integer mode.
11850 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11851             Alan Hayward  <alan.hayward@arm.com>
11852             David Sherwood  <david.sherwood@arm.com>
11854         * expr.c (widest_int_mode_for_size): Make the comment match the code.
11855         Return a scalar_int_mode and assert that the size is greater than
11856         one byte.
11857         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
11858         (op_by_pieces_d::op_by_pieces_d): Likewise.
11859         (op_by_pieces_d::run): Likewise.
11860         (can_store_by_pieces): Likewise.
11862 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11863             Alan Hayward  <alan.hayward@arm.com>
11864             David Sherwood  <david.sherwood@arm.com>
11866         * combine.c (extract_left_shift): Add a mode argument and update
11867         recursive calls.
11868         (make_compound_operation_int): Change the type of the mode parameter
11869         to scalar_int_mode and update the call to extract_left_shift.
11871 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11872             Alan Hayward  <alan.hayward@arm.com>
11873             David Sherwood  <david.sherwood@arm.com>
11875         * combine.c (simplify_and_const_int): Change the type of the mode
11876         parameter to scalar_int_mode.
11877         (simplify_and_const_int_1): Likewise.  Update recursive call.
11879 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11880             Alan Hayward  <alan.hayward@arm.com>
11881             David Sherwood  <david.sherwood@arm.com>
11883         * combine.c (simplify_compare_const): Check that the mode is a
11884         scalar_int_mode (rather than VOIDmode) before testing its
11885         precision.
11886         (simplify_comparison): Move COMPARISON_P handling out of the
11887         loop and restrict the latter part of the loop to scalar_int_modes.
11888         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
11889         and when considering SUBREG_REGs.  Use is_int_mode instead of
11890         checking GET_MODE_CLASS against MODE_INT.
11892 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11893             Alan Hayward  <alan.hayward@arm.com>
11894             David Sherwood  <david.sherwood@arm.com>
11896         * combine.c (try_widen_shift_mode): Move check for equal modes to...
11897         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
11898         shift_unit_mode and for modes involved in scalar shifts.
11900 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11901             Alan Hayward  <alan.hayward@arm.com>
11902             David Sherwood  <david.sherwood@arm.com>
11904         * combine.c (force_int_to_mode): New function, split out from...
11905         (force_to_mode): ...here.  Keep xmode up-to-date and use it
11906         instead of GET_MODE (x).
11908 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11909             Alan Hayward  <alan.hayward@arm.com>
11910             David Sherwood  <david.sherwood@arm.com>
11912         * optabs-query.h (extraction_insn::struct_mode): Change type to
11913         opt_scalar_int_mode and update comment.
11914         (extraction_insn::field_mode): Change type to scalar_int_mode.
11915         (extraction_insn::pos_mode): Likewise.
11916         * combine.c (make_extraction): Update accordingly.
11917         * optabs-query.c (get_traditional_extraction_insn): Likewise.
11918         (get_optab_extraction_insn): Likewise.
11919         * recog.c (simplify_while_replacing): Likewise.
11920         * expmed.c (narrow_bit_field_mem): Change the type of the mode
11921         parameter to opt_scalar_int_mode.
11923 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11924             Alan Hayward  <alan.hayward@arm.com>
11925             David Sherwood  <david.sherwood@arm.com>
11927         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
11928         to a scalar_int_mode instead of a machine_mode.
11929         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
11930         (get_best_mode): Return a boolean and use a pointer argument to store
11931         the selected mode.  Replace the limit mode parameter with a bit limit.
11932         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
11933         for the values returned by bit_field_mode_iterator::next_mode.
11934         (store_bit_field): Update call to get_best_mode.
11935         (store_fixed_bit_field): Likewise.
11936         (extract_fixed_bit_field): Likewise.
11937         * expr.c (optimize_bitfield_assignment_op): Likewise.
11938         * fold-const.c (optimize_bit_field_compare): Likewise.
11939         (fold_truth_andor_1): Likewise.
11940         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
11941         Update for new type of m_mode.
11942         (get_best_mode): As above.
11944 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11945             Alan Hayward  <alan.hayward@arm.com>
11946             David Sherwood  <david.sherwood@arm.com>
11948         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
11949         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
11950         (store_bit_field): Check is_a <scalar_int_mode> before calling
11951         strict_volatile_bitfield_p.
11952         (extract_bit_field): Likewise.
11954 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11955             Alan Hayward  <alan.hayward@arm.com>
11956             David Sherwood  <david.sherwood@arm.com>
11958         * target.def (cstore_mode): Return a scalar_int_mode.
11959         * doc/tm.texi: Regenerate.
11960         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
11961         * targhooks.h (default_cstore_mode): Likewise.
11962         * targhooks.c (default_cstore_mode): Likewise, using a forced
11963         conversion.
11964         * expmed.c (emit_cstore): Expect the target of the cstore to be
11965         a scalar_int_mode.
11967 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
11968             Alan Hayward  <alan.hayward@arm.com>
11969             David Sherwood  <david.sherwood@arm.com>
11971         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
11972         scalar_int_mode.
11973         (niter_desc): Likewise mode.
11974         (iv_analyze): Add a mode parameter.
11975         (biv_p): Likewise.
11976         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
11977         and change its type to scalar_int_mode.
11978         * loop-iv.c: Update commentary at head of file.
11979         (iv_constant): Pass the mode paraeter before the rtx it describes
11980         and change its type to scalar_int_mode.  Remove VOIDmode handling.
11981         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
11982         (iv_extend): Likewise.
11983         (shorten_into_mode): Likewise.
11984         (iv_add): Use scalar_int_mode.
11985         (iv_mult): Likewise.
11986         (iv_shift): Likewise.
11987         (canonicalize_iv_subregs): Likewise.
11988         (get_biv_step_1): Pass the outer_mode parameter before the rtx
11989         it describes and change its mode to scalar_int_mode.   Also change
11990         the type of the returned inner_mode to scalar_int_mode.
11991         (get_biv_step): Likewise, turning outer_mode from a pointer
11992         into a direct parameter.  Update call to get_biv_step_1.
11993         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
11994         iv_constant and get_biv_step.
11995         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
11996         and change its type to scalar_int_mode.  Don't initialise iv->mode
11997         to VOIDmode and remove later checks for its still being VOIDmode.
11998         Update calls to iv_analyze_op and iv_analyze_expr.  Check
11999         is_a <scalar_int_mode> when changing the mode under consideration.
12000         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
12001         Update call to iv_analyze_expr.
12002         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
12003         inner register is not also a scalar_int_mode.  Update call to
12004         iv_analyze_biv.
12005         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
12006         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
12007         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
12008         separate mode class checks.  Update calls to iv_analyze.  Remove
12009         fix-up of VOIDmodes after iv_analyze_biv.
12010         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
12011         don't have a scalar_int_mode.  Update call to biv_p.
12013 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12014             Alan Hayward  <alan.hayward@arm.com>
12015             David Sherwood  <david.sherwood@arm.com>
12017         * cfgexpand.c (convert_debug_memory_address): Use
12018         as_a <scalar_int_mode>.
12019         * combine.c (expand_compound_operation): Likewise.
12020         (make_extraction): Likewise.
12021         (change_zero_ext): Likewise.
12022         (simplify_comparison): Likewise.
12023         * cse.c (cse_insn): Likewise.
12024         * dwarf2out.c (minmax_loc_descriptor): Likewise.
12025         (mem_loc_descriptor): Likewise.
12026         (loc_descriptor): Likewise.
12027         * expmed.c (init_expmed_one_mode): Likewise.
12028         (synth_mult): Likewise.
12029         (emit_store_flag_1): Likewise.
12030         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
12031         of a comparison with size.
12032         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
12033         (reduce_to_bit_field_precision): Likewise.
12034         * function.c (expand_function_end): Likewise.
12035         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
12036         * loop-doloop.c (doloop_modify): Likewise.
12037         * optabs.c (expand_binop): Likewise.
12038         (expand_unop): Likewise.
12039         (expand_copysign_absneg): Likewise.
12040         (prepare_cmp_insn): Likewise.
12041         (maybe_legitimize_operand): Likewise.
12042         * recog.c (const_scalar_int_operand): Likewise.
12043         * rtlanal.c (get_address_mode): Likewise.
12044         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
12045         (simplify_cond_clz_ctz): Likewise.
12046         * tree-nested.c (get_nl_goto_field): Likewise.
12047         * tree.c (build_vector_type_for_mode): Likewise.
12048         * var-tracking.c (use_narrower_mode): Likewise.
12050 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12051             Alan Hayward  <alan.hayward@arm.com>
12052             David Sherwood  <david.sherwood@arm.com>
12054         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
12055         * builtins.c (expand_builtin_signbit): Use it.
12056         * cfgexpand.c (expand_debug_expr): Likewise.
12057         * dojump.c (do_jump): Likewise.
12058         (do_compare_and_jump): Likewise.
12059         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
12060         * expmed.c (make_tree): Likewise.
12061         * expr.c (expand_expr_real_2): Likewise.
12062         (expand_expr_real_1): Likewise.
12063         (try_casesi): Likewise.
12064         * fold-const-call.c (fold_const_call_ss): Likewise.
12065         * fold-const.c (unextend): Likewise.
12066         (extract_muldiv_1): Likewise.
12067         (fold_single_bit_test): Likewise.
12068         (native_encode_int): Likewise.
12069         (native_encode_string): Likewise.
12070         (native_interpret_int): Likewise.
12071         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
12072         * internal-fn.c (expand_addsub_overflow): Likewise.
12073         (expand_neg_overflow): Likewise.
12074         (expand_mul_overflow): Likewise.
12075         (expand_arith_overflow): Likewise.
12076         * match.pd: Likewise.
12077         * stor-layout.c (layout_type): Likewise.
12078         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
12079         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
12080         * tree-ssanames.c (get_range_info): Likewise.
12081         * tree-switch-conversion.c (array_value_type) Likewise.
12082         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
12083         (vect_recog_divmod_pattern): Likewise.
12084         (vect_recog_mixed_size_cond_pattern): Likewise.
12085         * tree-vrp.c (extract_range_basic): Likewise.
12086         (simplify_float_conversion_using_ranges): Likewise.
12087         * tree.c (int_fits_type_p): Likewise.
12088         * ubsan.c (instrument_bool_enum_load): Likewise.
12089         * varasm.c (mergeable_string_section): Likewise.
12090         (narrowing_initializer_constant_valid_p): Likewise.
12091         (output_constant): Likewise.
12093 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12094             Alan Hayward  <alan.hayward@arm.com>
12095             David Sherwood  <david.sherwood@arm.com>
12097         * machmode.h (NARROWEST_INT_MODE): New macro.
12098         * expr.c (alignment_for_piecewise_move): Use it instead of
12099         GET_CLASS_NARROWEST_MODE (MODE_INT).
12100         (push_block): Likewise.
12101         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
12102         Likewise.
12103         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
12105 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12106             Alan Hayward  <alan.hayward@arm.com>
12107             David Sherwood  <david.sherwood@arm.com>
12109         * postreload.c (move2add_valid_value_p): Change the type of the
12110         mode parameter to scalar_int_mode.
12111         (move2add_use_add2_insn): Add a mode parameter and use it instead
12112         of GET_MODE (reg).
12113         (move2add_use_add3_insn): Likewise.
12114         (reload_cse_move2add): Update accordingly.
12116 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12117             Alan Hayward  <alan.hayward@arm.com>
12118             David Sherwood  <david.sherwood@arm.com>
12120         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
12121         double-word mode.
12122         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
12123         * optabs.c (expand_unop): Likewise.
12125 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12126             Alan Hayward  <alan.hayward@arm.com>
12127             David Sherwood  <david.sherwood@arm.com>
12129         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
12130         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
12131         (popcount_loc_descriptor): Likewise.
12132         (bswap_loc_descriptor): Likewise.
12133         (rotate_loc_descriptor): Likewise.
12134         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
12135         calling the functions above.
12137 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12138             Alan Hayward  <alan.hayward@arm.com>
12139             David Sherwood  <david.sherwood@arm.com>
12141         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
12142         checks.
12143         (try_combine): Likewise.
12144         (simplify_if_then_else): Likewise.
12145         * cse.c (cse_insn): Likewise.
12146         * dwarf2out.c (mem_loc_descriptor): Likewise.
12147         * emit-rtl.c (gen_lowpart_common): Likewise.
12148         * simplify-rtx.c (simplify_truncation): Likewise.
12149         (simplify_binary_operation_1): Likewise.
12150         (simplify_const_relational_operation): Likewise.
12151         (simplify_ternary_operation): Likewise.
12152         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
12154 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12155             Alan Hayward  <alan.hayward@arm.com>
12156             David Sherwood  <david.sherwood@arm.com>
12158         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
12159         * reload.c (push_reload): Likewise.
12160         (find_reloads): Likewise.
12162 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12163             Alan Hayward  <alan.hayward@arm.com>
12164             David Sherwood  <david.sherwood@arm.com>
12166         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
12167         (make_compound_operation_int): Likewise.
12168         (change_zero_ext): Likewise.
12169         * expr.c (convert_move): Likewise.
12170         (convert_modes): Likewise.
12171         * fwprop.c (forward_propagate_subreg): Likewise.
12172         * loop-iv.c (get_biv_step_1): Likewise.
12173         * optabs.c (widen_operand): Likewise.
12174         * postreload.c (move2add_valid_value_p): Likewise.
12175         * recog.c (simplify_while_replacing): Likewise.
12176         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
12177         (simplify_binary_operation_1): Likewise.  Remove redundant
12178         mode equality check.
12180 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12181             Alan Hayward  <alan.hayward@arm.com>
12182             David Sherwood  <david.sherwood@arm.com>
12184         * combine.c (combine_simplify_rtx): Add checks for
12185         is_a <scalar_int_mode>.
12186         (simplify_if_then_else): Likewise.
12187         (make_field_assignment): Likewise.
12188         (simplify_comparison): Likewise.
12189         * ifcvt.c (noce_try_bitop): Likewise.
12190         * loop-invariant.c (canonicalize_address_mult): Likewise.
12191         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
12193 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12194             Alan Hayward  <alan.hayward@arm.com>
12195             David Sherwood  <david.sherwood@arm.com>
12197         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
12198         is_a <scalar_int_mode> instead of != BLKmode.
12200 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12201             Alan Hayward  <alan.hayward@arm.com>
12202             David Sherwood  <david.sherwood@arm.com>
12204         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
12205         instead of != VOIDmode.
12206         * combine.c (if_then_else_cond): Likewise.
12207         (change_zero_ext): Likewise.
12208         * dwarf2out.c (mem_loc_descriptor): Likewise.
12209         (loc_descriptor): Likewise.
12210         * rtlanal.c (canonicalize_condition): Likewise.
12211         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
12213 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12214             Alan Hayward  <alan.hayward@arm.com>
12215             David Sherwood  <david.sherwood@arm.com>
12217         * simplify-rtx.c (simplify_binary_operation_1): Use
12218         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
12220 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12221             Alan Hayward  <alan.hayward@arm.com>
12222             David Sherwood  <david.sherwood@arm.com>
12224         * wide-int.h (int_traits<unsigned char>) New class.
12225         (int_traits<unsigned short>) Likewise.
12226         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
12227         Use GET_MODE_UNIT_PRECISION and remove redundant test for
12228         SCALAR_INT_MODE_P.
12229         * combine.c (set_nonzero_bits_and_sign_copies): Use
12230         is_a <scalar_int_mode>.
12231         (find_split_point): Likewise.
12232         (combine_simplify_rtx): Likewise.
12233         (simplify_logical): Likewise.
12234         (expand_compound_operation): Likewise.
12235         (expand_field_assignment): Likewise.
12236         (make_compound_operation): Likewise.
12237         (extended_count): Likewise.
12238         (change_zero_ext): Likewise.
12239         (simplify_comparison): Likewise.
12240         * dwarf2out.c (scompare_loc_descriptor): Likewise.
12241         (ucompare_loc_descriptor): Likewise.
12242         (minmax_loc_descriptor): Likewise.
12243         (mem_loc_descriptor): Likewise.
12244         (loc_descriptor): Likewise.
12245         * expmed.c (init_expmed_one_mode): Likewise.
12246         * lra-constraints.c (lra_constraint_offset): Likewise.
12247         * optabs.c (prepare_libcall_arg): Likewise.
12248         * postreload.c (move2add_note_store): Likewise.
12249         * reload.c (operands_match_p): Likewise.
12250         * rtl.h (load_extend_op): Likewise.
12251         * rtlhooks.c (gen_lowpart_general): Likewise.
12252         * simplify-rtx.c (simplify_truncation): Likewise.
12253         (simplify_unary_operation_1): Likewise.
12254         (simplify_binary_operation_1): Likewise.
12255         (simplify_const_binary_operation): Likewise.
12256         (simplify_const_relational_operation): Likewise.
12257         (simplify_subreg): Likewise.
12258         * stor-layout.c (bitwise_mode_for_mode): Likewise.
12259         * var-tracking.c (adjust_mems): Likewise.
12260         (prepare_call_arguments): Likewise.
12262 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12263             Alan Hayward  <alan.hayward@arm.com>
12264             David Sherwood  <david.sherwood@arm.com>
12266         * machmode.h (is_int_mode): New fuction.
12267         * combine.c (find_split_point): Use it.
12268         (combine_simplify_rtx): Likewise.
12269         (simplify_if_then_else): Likewise.
12270         (simplify_set): Likewise.
12271         (simplify_shift_const_1): Likewise.
12272         (simplify_comparison): Likewise.
12273         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
12274         * cse.c (notreg_cost): Likewise.
12275         (cse_insn): Likewise.
12276         * cselib.c (cselib_lookup_1): Likewise.
12277         * dojump.c (do_jump_1): Likewise.
12278         (do_compare_rtx_and_jump): Likewise.
12279         * dse.c (get_call_args): Likewise.
12280         * dwarf2out.c (rtl_for_decl_init): Likewise.
12281         (native_encode_initializer): Likewise.
12282         * expmed.c (emit_store_flag_1): Likewise.
12283         (emit_store_flag): Likewise.
12284         * expr.c (convert_modes): Likewise.
12285         (store_field): Likewise.
12286         (expand_expr_real_1): Likewise.
12287         * fold-const.c (fold_read_from_constant_string): Likewise.
12288         * gimple-ssa-sprintf.c (get_format_string): Likewise.
12289         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
12290         * optabs.c (expand_binop): Likewise.
12291         (expand_unop): Likewise.
12292         (expand_abs_nojump): Likewise.
12293         (expand_one_cmpl_abs_nojump): Likewise.
12294         * simplify-rtx.c (mode_signbit_p): Likewise.
12295         (val_signbit_p): Likewise.
12296         (val_signbit_known_set_p): Likewise.
12297         (val_signbit_known_clear_p): Likewise.
12298         (simplify_relational_operation_1): Likewise.
12299         * tree.c (vector_type_mode): Likewise.
12301 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12302             Alan Hayward  <alan.hayward@arm.com>
12303             David Sherwood  <david.sherwood@arm.com>
12305         * machmode.h (smallest_mode_for_size): Fix formatting.
12306         (smallest_int_mode_for_size): New function.
12307         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
12308         instead of smallest_mode_for_size.
12309         * combine.c (make_extraction): Likewise.
12310         * config/arc/arc.c (arc_expand_movmem): Likewise.
12311         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
12312         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
12313         * config/s390/s390.c (s390_expand_insv): Likewise.
12314         * config/sparc/sparc.c (assign_int_registers): Likewise.
12315         * config/spu/spu.c (spu_function_value): Likewise.
12316         (spu_function_arg): Likewise.
12317         * coverage.c (get_gcov_type): Likewise.
12318         (get_gcov_unsigned_t): Likewise.
12319         * dse.c (find_shift_sequence): Likewise.
12320         * expmed.c (store_bit_field_1): Likewise.
12321         * expr.c (convert_move): Likewise.
12322         (store_field): Likewise.
12323         * internal-fn.c (expand_arith_overflow): Likewise.
12324         * optabs-query.c (get_best_extraction_insn): Likewise.
12325         * optabs.c (expand_twoval_binop_libfunc): Likewise.
12326         * stor-layout.c (layout_type): Likewise.
12327         (initialize_sizetypes): Likewise.
12328         * targhooks.c (default_get_mask_mode): Likewise.
12329         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
12331 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12332             Alan Hayward  <alan.hayward@arm.com>
12333             David Sherwood  <david.sherwood@arm.com>
12335         * machmode.h (opt_mode::else_blk): New function.
12336         (int_mode_for_mode): Declare.
12337         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
12338         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
12339         return type.
12340         * cfgexpand.c (expand_debug_expr): Likewise.
12341         * combine.c (gen_lowpart_or_truncate): Likewise.
12342         (gen_lowpart_for_combine): Likewise.
12343         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
12344         * config/avr/avr.c (avr_to_int_mode): Likewise.
12345         (avr_out_plus_1): Likewise.
12346         (avr_out_plus): Likewise.
12347         (avr_out_round): Likewise.
12348         * config/i386/i386.c (ix86_split_to_parts): Likewise.
12349         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
12350         (s390_expand_vcond): Likewise.
12351         * config/spu/spu.c (spu_split_immediate): Likewise.
12352         (spu_expand_mov): Likewise.
12353         * dse.c (get_stored_val): Likewise.
12354         * expmed.c (store_bit_field_1): Likewise.
12355         (convert_extracted_bit_field): Use int_mode_for_mode instead of
12356         int_mode_for_size.
12357         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
12358         (extract_low_bits): Likewise.
12359         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
12360         handling rather than repeating the check.
12361         (emit_group_store): Likewise.
12362         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
12363         * optabs.c (expand_absneg_bit): Likewise.
12364         (expand_copysign_absneg): Likewise.
12365         (expand_copysign_bit): Likewise.
12366         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
12367         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
12368         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
12369         * var-tracking.c (prepare_call_arguments):  Likewise.
12370         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
12371         int_mode_for_mode instead of mode_for_size.
12372         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
12374 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12375             Alan Hayward  <alan.hayward@arm.com>
12376             David Sherwood  <david.sherwood@arm.com>
12378         * machmode.h (int_mode_for_size): New function.
12379         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
12380         instead of mode_for_size.
12381         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
12382         explicit.
12383         * combine.c (expand_field_assignment): Use int_mode_for_size
12384         instead of mode_for_size.
12385         (make_extraction): Likewise.
12386         (simplify_shift_const_1): Likewise.
12387         (simplify_comparison): Likewise.
12388         * dojump.c (do_jump): Likewise.
12389         * dwarf2out.c (mem_loc_descriptor): Likewise.
12390         * emit-rtl.c (init_derived_machine_modes): Likewise.
12391         * expmed.c (flip_storage_order): Likewise.
12392         (convert_extracted_bit_field): Likewise.
12393         * expr.c (copy_blkmode_from_reg): Likewise.
12394         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
12395         * internal-fn.c (expand_mul_overflow): Likewise.
12396         * lower-subreg.c (simple_move): Likewise.
12397         * optabs-libfuncs.c (init_optabs): Likewise.
12398         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
12399         * tree.c (vector_type_mode): Likewise.
12400         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
12401         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
12402         * tree-vect-generic.c (expand_vector_parallel): Likewise.
12403         * tree-vect-stmts.c (vectorizable_load): Likewise.
12404         (vectorizable_store): Likewise.
12406 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12407             Alan Hayward  <alan.hayward@arm.com>
12408             David Sherwood  <david.sherwood@arm.com>
12410         * coretypes.h (pod_mode): New type.
12411         (scalar_int_mode_pod): New typedef.
12412         * machmode.h (pod_mode): New class.
12413         (int_n_data_t::m): Change type to scalar_int_mode_pod.
12414         * genmodes.c (emit_mode_int_n): Update accordingly.
12415         * lower-subreg.h (target_lower_subreg): Change type to
12416         scalar_int_mode_pod.
12417         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
12418         scalar_int_mode_pod.
12420 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12421             Alan Hayward  <alan.hayward@arm.com>
12422             David Sherwood  <david.sherwood@arm.com>
12424         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
12425         machine_mode to scalar_int_mode.
12426         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
12427         (rs6000_option_override_internal): Remove cast to int.
12428         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
12429         machine_mode to scalar_int_mode.
12430         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
12431         (rs6000_option_override_internal): Remove cast to int.
12432         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
12433         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
12434         to machine_mode.
12435         * config/s390/s390.c (s390_expand_builtin): Likewise.
12436         * coretypes.h (scalar_int_mode): New type.
12437         (opt_scalar_int_mode): New typedef.
12438         * machmode.h (scalar_int_mode): New class.
12439         (scalar_int_mode::includes_p): New function.
12440         (byte_mode): Change type to scalar_int_mode.
12441         (word_mode): Likewise.
12442         (ptr_mode): Likewise.
12443         * emit-rtl.c (byte_mode): Likewise.
12444         (word_mode): Likewise.
12445         (ptr_mode): Likewise.
12446         (init_derived_machine_modes): Update accordingly.
12447         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
12448         and MODE_PARTIAL_INT.
12449         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
12450         opt_scalar_int_mode.
12452 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12453             Alan Hayward  <alan.hayward@arm.com>
12454             David Sherwood  <david.sherwood@arm.com>
12456         * target.def (libgcc_floating_mode_supported_p): Take a
12457         scalar_float_mode.
12458         * doc/tm.texi: Regenerate.
12459         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
12460         scalar_float_mode.
12461         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
12462         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
12463         Likewise.
12465 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12466             Alan Hayward  <alan.hayward@arm.com>
12467             David Sherwood  <david.sherwood@arm.com>
12469         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
12470         * doc/tm.texi: Regenerate.
12471         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
12472         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
12473         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
12474         * targhooks.h (default_floatn_mode): Likewise.
12475         * targhooks.c (default_floatn_mode): Likewise.
12476         * tree.c (build_common_tree_nodes): Update accordingly.
12478 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12479             Alan Hayward  <alan.hayward@arm.com>
12480             David Sherwood  <david.sherwood@arm.com>
12482         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
12483         (mode_iterator::iterate_p): Likewise.
12484         (mode_iterator::get_wider): Likewise.
12485         * expr.c (init_expr_target): Use opt_scalar_float_mode.
12487 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12488             Alan Hayward  <alan.hayward@arm.com>
12489             David Sherwood  <david.sherwood@arm.com>
12491         * coretypes.h (opt_scalar_float_mode): New typedef.
12492         * machmode.h (float_mode_for_size): New function.
12493         * emit-rtl.c (double_mode): Delete.
12494         (init_emit_once): Use float_mode_for_size.
12495         * stor-layout.c (layout_type): Likewise.
12496         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
12498 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12499             Alan Hayward  <alan.hayward@arm.com>
12500             David Sherwood  <david.sherwood@arm.com>
12502         * output.h (assemble_real): Take a scalar_float_mode.
12503         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
12504         * config/arm/arm.md (consttable_4): Likewise.
12505         (consttable_8): Likewise.
12506         (consttable_16): Likewise.
12507         * config/mips/mips.md (consttable_float): Likewise.
12508         * config/s390/s390.c (s390_output_pool_entry): Likewise.
12509         * varasm.c (assemble_real): Take a scalar_float_mode.
12510         (output_constant_pool_2): Update accordingly.
12511         (output_constant): Likewise.
12513 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12514             Alan Hayward  <alan.hayward@arm.com>
12515             David Sherwood  <david.sherwood@arm.com>
12517         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
12518         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
12519         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
12520         (native_encode_real): Likewise.
12521         (native_interpret_real): Likewise.
12522         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
12523         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
12525 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12526             Alan Hayward  <alan.hayward@arm.com>
12527             David Sherwood  <david.sherwood@arm.com>
12529         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
12530         <scalar_float_mode>.  Simplify.
12531         (gen_extend_conv_libfunc): Likewise.
12533 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12534             Alan Hayward  <alan.hayward@arm.com>
12535             David Sherwood  <david.sherwood@arm.com>
12537         * coretypes.h (scalar_float_mode): New type.
12538         * machmode.h (mode_traits::from_int): Use machine_mode if
12539         USE_ENUM_MODES is defined.
12540         (is_a): New function.
12541         (as_a): Likewise.
12542         (dyn_cast): Likewise.
12543         (scalar_float_mode): New class.
12544         (scalar_float_mode::includes_p): New function.
12545         (is_float_mode): Likewise.
12546         * gdbhooks.py (MachineModePrinter): New class.
12547         (build_pretty_printer): Use it for scalar_float_mode.
12548         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
12549         (format_helper::format_helper): Turn into a template.
12550         * genmodes.c (get_mode_class): New function.
12551         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
12552         or machine_mode if none.
12553         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
12554         as_a <scalar_float_mode>.
12555         * dwarf2out.c (mem_loc_descriptor): Likewise.
12556         (insert_float): Likewise.
12557         (add_const_value_attribute): Likewise.
12558         * simplify-rtx.c (simplify_immed_subreg): Likewise.
12559         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
12560         (expand_unop): Update accordingly.
12561         (expand_abs_nojump): Likewise.
12562         (expand_copysign_absneg): Take a scalar_float_mode.
12563         (expand_copysign_bit): Likewise.
12564         (expand_copysign): Update accordingly.
12566 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12567             Alan Hayward  <alan.hayward@arm.com>
12568             David Sherwood  <david.sherwood@arm.com>
12570         * coretypes.h (opt_mode): New class.
12571         * machmode.h (opt_mode): Likewise.
12572         (opt_mode::else_void): New function.
12573         (opt_mode::require): Likewise.
12574         (opt_mode::exists): Likewise.
12575         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
12576         (GET_MODE_2XWIDER_MODE): Likewise.
12577         (mode_iterator::get_wider): Update accordingly.
12578         (mode_iterator::get_2xwider): Likewise.
12579         (mode_iterator::get_known_wider): Likewise, turning into a template.
12580         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
12581         forcing a wider mode to exist.
12582         * config/cr16/cr16.h (LONG_REG_P): Likewise.
12583         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
12584         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
12585         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
12586         * lower-subreg.c (init_lower_subreg): Likewise.
12587         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
12588         on the final iteration.
12589         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
12590         a wider mode exists before asking for a move pattern.
12591         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
12592         forcing a wider mode to exist.
12593         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
12594         returning false if no such mode exists.
12595         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
12596         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
12597         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
12598         Avoid checking for a MODE_INT if we already know the mode is not a
12599         SCALAR_INT_MODE_P.
12600         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
12601         forcing a wider mode to exist.
12602         (expmed_mult_highpart_optab): Likewise.
12603         (expmed_mult_highpart): Likewise.
12604         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
12605         using else_void.
12606         * lto-streamer-in.c (lto_input_mode_table): Likewise.
12607         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
12608         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
12609         * internal-fn.c (expand_mul_overflow): Update use of
12610         GET_MODE_2XWIDER_MODE.
12611         * omp-low.c (omp_clause_aligned_alignment): Likewise.
12612         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
12613         GET_MODE_WIDER_MODE.
12614         (convert_plusminus_to_widen): Likewise.
12615         * tree-switch-conversion.c (array_value_type): Likewise.
12616         * var-tracking.c (emit_note_insn_var_location): Likewise.
12617         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
12618         Return false inside rather than outside the loop if no wider mode
12619         exists
12620         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
12621         and GET_MODE_2XWIDER_MODE
12622         (can_compare_p): Use else_void.
12623         * gdbhooks.py (OptMachineModePrinter): New class.
12624         (build_pretty_printer): Use it for opt_mode.
12626 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12627             Alan Hayward  <alan.hayward@arm.com>
12628             David Sherwood  <david.sherwood@arm.com>
12630         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
12631         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
12633 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12634             Alan Hayward  <alan.hayward@arm.com>
12635             David Sherwood  <david.sherwood@arm.com>
12637         * machmode.h (mode_traits): New structure.
12638         (get_narrowest_mode): New function.
12639         (mode_iterator::start): Likewise.
12640         (mode_iterator::iterate_p): Likewise.
12641         (mode_iterator::get_wider): Likewise.
12642         (mode_iterator::get_known_wider): Likewise.
12643         (mode_iterator::get_2xwider): Likewise.
12644         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
12645         (FOR_EACH_MODE): Likewise.
12646         (FOR_EACH_MODE_FROM): Likewise.
12647         (FOR_EACH_MODE_UNTIL): Likewise.
12648         (FOR_EACH_WIDER_MODE): Likewise.
12649         (FOR_EACH_2XWIDER_MODE): Likewise.
12650         * builtins.c (expand_builtin_strlen): Use new mode iterators.
12651         * combine.c (simplify_comparison): Likewise
12652         * config/i386/i386.c (type_natural_mode): Likewise.
12653         * cse.c (cse_insn): Likewise.
12654         * dse.c (find_shift_sequence): Likewise.
12655         * emit-rtl.c (init_derived_machine_modes): Likewise.
12656         (init_emit_once): Likewise.
12657         * explow.c (hard_function_value): Likewise.
12658         * expmed.c (extract_fixed_bit_field_1): Likewise.
12659         (extract_bit_field_1): Likewise.
12660         (expand_divmod): Likewise.
12661         (emit_store_flag_1): Likewise.
12662         * expr.c (init_expr_target): Likewise.
12663         (convert_move): Likewise.
12664         (alignment_for_piecewise_move): Likewise.
12665         (widest_int_mode_for_size): Likewise.
12666         (emit_block_move_via_movmem): Likewise.
12667         (copy_blkmode_to_reg): Likewise.
12668         (set_storage_via_setmem): Likewise.
12669         (compress_float_constant): Likewise.
12670         * omp-low.c (omp_clause_aligned_alignment): Likewise.
12671         * optabs-query.c (get_best_extraction_insn): Likewise.
12672         * optabs.c (expand_binop): Likewise.
12673         (expand_twoval_unop): Likewise.
12674         (expand_twoval_binop): Likewise.
12675         (widen_leading): Likewise.
12676         (widen_bswap): Likewise.
12677         (expand_parity): Likewise.
12678         (expand_unop): Likewise.
12679         (prepare_cmp_insn): Likewise.
12680         (prepare_float_lib_cmp): Likewise.
12681         (expand_float): Likewise.
12682         (expand_fix): Likewise.
12683         (expand_sfix_optab): Likewise.
12684         * postreload.c (move2add_use_add2_insn): Likewise.
12685         * reg-stack.c (reg_to_stack): Likewise.
12686         * reginfo.c (choose_hard_reg_mode): Likewise.
12687         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
12688         * stor-layout.c (mode_for_size): Likewise.
12689         (smallest_mode_for_size): Likewise.
12690         (mode_for_vector): Likewise.
12691         (finish_bitfield_representative): Likewise.
12692         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
12693         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
12694         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
12695         * var-tracking.c (prepare_call_arguments): Likewise.
12697 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12698             Alan Hayward  <alan.hayward@arm.com>
12699             David Sherwood  <david.sherwood@arm.com>
12701         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
12702         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
12703         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
12704         * machmode.h (mode_size): Move earlier in file.
12705         (mode_precision): Likewise.
12706         (mode_inner): Likewise.
12707         (mode_nunits): Likewise.
12708         (mode_unit_size): Likewise.
12709         (unit_unit_precision): Likewise.
12710         (mode_wider): Likewise.
12711         (mode_2xwider): Likewise.
12712         (machine_mode): New class.
12713         (mode_to_bytes): New function.
12714         (mode_to_bits): Likewise.
12715         (mode_to_precision): Likewise.
12716         (mode_to_inner): Likewise.
12717         (mode_to_unit_size): Likewise.
12718         (mode_to_unit_precision): Likewise.
12719         (mode_to_nunits): Likewise.
12720         (GET_MODE_SIZE): Use mode_to_bytes.
12721         (GET_MODE_BITSIZE): Use mode_to_bits.
12722         (GET_MODE_PRECISION): Use mode_to_precision.
12723         (GET_MODE_INNER): Use mode_to_inner.
12724         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
12725         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
12726         (GET_MODE_NUNITS): Use mode_to_nunits.
12727         * system.h (ALWAYS_INLINE): New macro.
12728         * config/powerpcspe/powerpcspe-c.c
12729         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
12730         int for arg1_mode and arg2_mode.
12732 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
12733             Alan Hayward  <alan.hayward@arm.com>
12734             David Sherwood  <david.sherwood@arm.com>
12736         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
12737         Prefix mode names with E_ in case statements.
12738         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
12739         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
12740         (aarch64_split_simd_move): Likewise.
12741         (aarch64_gen_storewb_pair): Likewise.
12742         (aarch64_gen_loadwb_pair): Likewise.
12743         (aarch64_gen_store_pair): Likewise.
12744         (aarch64_gen_load_pair): Likewise.
12745         (aarch64_get_condition_code_1): Likewise.
12746         (aarch64_constant_pool_reload_icode): Likewise.
12747         (get_rsqrte_type): Likewise.
12748         (get_rsqrts_type): Likewise.
12749         (get_recpe_type): Likewise.
12750         (get_recps_type): Likewise.
12751         (aarch64_gimplify_va_arg_expr): Likewise.
12752         (aarch64_simd_container_mode): Likewise.
12753         (aarch64_emit_load_exclusive): Likewise.
12754         (aarch64_emit_store_exclusive): Likewise.
12755         (aarch64_expand_compare_and_swap): Likewise.
12756         (aarch64_gen_atomic_cas): Likewise.
12757         (aarch64_emit_bic): Likewise.
12758         (aarch64_emit_atomic_swap): Likewise.
12759         (aarch64_emit_atomic_load_op): Likewise.
12760         (aarch64_evpc_trn): Likewise.
12761         (aarch64_evpc_uzp): Likewise.
12762         (aarch64_evpc_zip): Likewise.
12763         (aarch64_evpc_ext): Likewise.
12764         (aarch64_evpc_rev): Likewise.
12765         (aarch64_evpc_dup): Likewise.
12766         (aarch64_gen_ccmp_first): Likewise.
12767         (aarch64_gen_ccmp_next): Likewise.
12768         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
12769         (alpha_emit_xfloating_libcall): Likewise.
12770         (emit_insxl): Likewise.
12771         (alpha_arg_type): Likewise.
12772         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
12773         (arc_preferred_simd_mode): Likewise.
12774         (arc_secondary_reload): Likewise.
12775         (get_arc_condition_code): Likewise.
12776         (arc_print_operand): Likewise.
12777         (arc_legitimate_constant_p): Likewise.
12778         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
12779         * config/arc/arc.md (casesi_load): Likewise.
12780         (casesi_compact_jump): Likewise.
12781         * config/arc/predicates.md (proper_comparison_operator): Likewise.
12782         (cc_use_register): Likewise.
12783         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
12784         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
12785         (arm_init_iwmmxt_builtins): Likewise.
12786         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
12787         (neon_expand_vector_init): Likewise.
12788         (arm_attr_length_move_neon): Likewise.
12789         (maybe_get_arm_condition_code): Likewise.
12790         (arm_emit_vector_const): Likewise.
12791         (arm_preferred_simd_mode): Likewise.
12792         (arm_output_iwmmxt_tinsr): Likewise.
12793         (thumb1_output_casesi): Likewise.
12794         (thumb2_output_casesi): Likewise.
12795         (arm_emit_load_exclusive): Likewise.
12796         (arm_emit_store_exclusive): Likewise.
12797         (arm_expand_compare_and_swap): Likewise.
12798         (arm_evpc_neon_vuzp): Likewise.
12799         (arm_evpc_neon_vzip): Likewise.
12800         (arm_evpc_neon_vrev): Likewise.
12801         (arm_evpc_neon_vtrn): Likewise.
12802         (arm_evpc_neon_vext): Likewise.
12803         (arm_validize_comparison): Likewise.
12804         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
12805         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
12806         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
12807         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
12808         (c6x_preferred_simd_mode): Likewise.
12809         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
12810         (epiphany_rtx_costs): Likewise.
12811         * config/epiphany/predicates.md (proper_comparison_operator):
12812         Likewise.
12813         * config/frv/frv.c (condexec_memory_operand): Likewise.
12814         (frv_emit_move): Likewise.
12815         (output_move_single): Likewise.
12816         (output_condmove_single): Likewise.
12817         (frv_hard_regno_mode_ok): Likewise.
12818         (frv_matching_accg_mode): Likewise.
12819         * config/h8300/h8300.c (split_adds_subs): Likewise.
12820         (h8300_rtx_costs): Likewise.
12821         (h8300_print_operand): Likewise.
12822         (compute_mov_length): Likewise.
12823         (output_logical_op): Likewise.
12824         (compute_logical_op_length): Likewise.
12825         (compute_logical_op_cc): Likewise.
12826         (h8300_shift_needs_scratch_p): Likewise.
12827         (output_a_shift): Likewise.
12828         (compute_a_shift_length): Likewise.
12829         (compute_a_shift_cc): Likewise.
12830         (expand_a_rotate): Likewise.
12831         (output_a_rotate): Likewise.
12832         * config/i386/i386.c (classify_argument): Likewise.
12833         (function_arg_advance_32): Likewise.
12834         (function_arg_32): Likewise.
12835         (function_arg_64): Likewise.
12836         (function_value_64): Likewise.
12837         (ix86_gimplify_va_arg): Likewise.
12838         (ix86_legitimate_constant_p): Likewise.
12839         (put_condition_code): Likewise.
12840         (split_double_mode): Likewise.
12841         (ix86_avx256_split_vector_move_misalign): Likewise.
12842         (ix86_expand_vector_logical_operator): Likewise.
12843         (ix86_split_idivmod): Likewise.
12844         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
12845         (ix86_build_const_vector): Likewise.
12846         (ix86_build_signbit_mask): Likewise.
12847         (ix86_match_ccmode): Likewise.
12848         (ix86_cc_modes_compatible): Likewise.
12849         (ix86_expand_branch): Likewise.
12850         (ix86_expand_sse_cmp): Likewise.
12851         (ix86_expand_sse_movcc): Likewise.
12852         (ix86_expand_int_sse_cmp): Likewise.
12853         (ix86_expand_vec_perm_vpermi2): Likewise.
12854         (ix86_expand_vec_perm): Likewise.
12855         (ix86_expand_sse_unpack): Likewise.
12856         (ix86_expand_int_addcc): Likewise.
12857         (ix86_split_to_parts): Likewise.
12858         (ix86_vectorize_builtin_gather): Likewise.
12859         (ix86_vectorize_builtin_scatter): Likewise.
12860         (avx_vpermilp_parallel): Likewise.
12861         (inline_memory_move_cost): Likewise.
12862         (ix86_tieable_integer_mode_p): Likewise.
12863         (x86_maybe_negate_const_int): Likewise.
12864         (ix86_expand_vector_init_duplicate): Likewise.
12865         (ix86_expand_vector_init_one_nonzero): Likewise.
12866         (ix86_expand_vector_init_one_var): Likewise.
12867         (ix86_expand_vector_init_concat): Likewise.
12868         (ix86_expand_vector_init_interleave): Likewise.
12869         (ix86_expand_vector_init_general): Likewise.
12870         (ix86_expand_vector_set): Likewise.
12871         (ix86_expand_vector_extract): Likewise.
12872         (emit_reduc_half): Likewise.
12873         (ix86_emit_i387_round): Likewise.
12874         (ix86_mangle_type): Likewise.
12875         (ix86_expand_round_sse4): Likewise.
12876         (expand_vec_perm_blend): Likewise.
12877         (canonicalize_vector_int_perm): Likewise.
12878         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
12879         (expand_vec_perm_1): Likewise.
12880         (expand_vec_perm_interleave3): Likewise.
12881         (expand_vec_perm_even_odd_pack): Likewise.
12882         (expand_vec_perm_even_odd_1): Likewise.
12883         (expand_vec_perm_broadcast_1): Likewise.
12884         (ix86_vectorize_vec_perm_const_ok): Likewise.
12885         (ix86_expand_vecop_qihi): Likewise.
12886         (ix86_expand_mul_widen_hilo): Likewise.
12887         (ix86_expand_sse2_abs): Likewise.
12888         (ix86_expand_pextr): Likewise.
12889         (ix86_expand_pinsr): Likewise.
12890         (ix86_preferred_simd_mode): Likewise.
12891         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
12892         * config/i386/sse.md (*andnot<mode>3): Likewise.
12893         (<mask_codefor><code><mode>3<mask_name>): Likewise.
12894         (*<code><mode>3): Likewise.
12895         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
12896         (ia64_expand_atomic_op): Likewise.
12897         (ia64_arg_type): Likewise.
12898         (ia64_mode_to_int): Likewise.
12899         (ia64_scalar_mode_supported_p): Likewise.
12900         (ia64_vector_mode_supported_p): Likewise.
12901         (expand_vec_perm_broadcast): Likewise.
12902         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
12903         (iq2000_function_arg_advance): Likewise.
12904         (iq2000_function_arg): Likewise.
12905         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
12906         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
12907         (m68k_libcall_value): Likewise.
12908         (m68k_function_value): Likewise.
12909         (sched_attr_op_type): Likewise.
12910         * config/mcore/mcore.c (mcore_output_move): Likewise.
12911         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
12912         Likewise.
12913         (microblaze_function_arg): Likewise.
12914         * config/mips/mips.c (mips16_build_call_stub): Likewise.
12915         (mips_print_operand): Likewise.
12916         (mips_mode_ok_for_mov_fmt_p): Likewise.
12917         (mips_vector_mode_supported_p): Likewise.
12918         (mips_preferred_simd_mode): Likewise.
12919         (mips_expand_vpc_loongson_even_odd): Likewise.
12920         (mips_expand_vec_unpack): Likewise.
12921         (mips_expand_vi_broadcast): Likewise.
12922         (mips_expand_vector_init): Likewise.
12923         (mips_expand_vec_reduc): Likewise.
12924         (mips_expand_msa_cmp): Likewise.
12925         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
12926         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
12927         (cc_flags_for_mode): Likewise.
12928         * config/msp430/msp430.c (msp430_print_operand): Likewise.
12929         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
12930         (nds32_output_casesi_pc_relative): Likewise.
12931         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
12932         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
12933         (nvptx_gen_unpack): Likewise.
12934         (nvptx_gen_pack): Likewise.
12935         (nvptx_gen_shuffle): Likewise.
12936         (nvptx_gen_wcast): Likewise.
12937         (nvptx_preferred_simd_mode): Likewise.
12938         * config/pa/pa.c (pa_secondary_reload): Likewise.
12939         * config/pa/predicates.md (base14_operand): Likewise.
12940         * config/powerpcspe/powerpcspe-c.c
12941         (altivec_resolve_overloaded_builtin): Likewise.
12942         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
12943         Likewise.
12944         (rs6000_preferred_simd_mode): Likewise.
12945         (output_vec_const_move): Likewise.
12946         (rs6000_expand_vector_extract): Likewise.
12947         (rs6000_split_vec_extract_var): Likewise.
12948         (reg_offset_addressing_ok_p): Likewise.
12949         (rs6000_legitimate_offset_address_p): Likewise.
12950         (rs6000_legitimize_address): Likewise.
12951         (rs6000_emit_set_const): Likewise.
12952         (rs6000_const_vec): Likewise.
12953         (rs6000_emit_move): Likewise.
12954         (spe_build_register_parallel): Likewise.
12955         (rs6000_darwin64_record_arg_recurse): Likewise.
12956         (swap_selector_for_mode): Likewise.
12957         (spe_init_builtins): Likewise.
12958         (paired_init_builtins): Likewise.
12959         (altivec_init_builtins): Likewise.
12960         (do_load_for_compare): Likewise.
12961         (rs6000_generate_compare): Likewise.
12962         (rs6000_expand_float128_convert): Likewise.
12963         (emit_load_locked): Likewise.
12964         (emit_store_conditional): Likewise.
12965         (rs6000_output_function_epilogue): Likewise.
12966         (rs6000_handle_altivec_attribute): Likewise.
12967         (rs6000_function_value): Likewise.
12968         (emit_fusion_gpr_load): Likewise.
12969         (emit_fusion_p9_load): Likewise.
12970         (emit_fusion_p9_store): Likewise.
12971         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
12972         (fusion_gpr_mem_load): Likewise.
12973         (fusion_addis_mem_combo_load): Likewise.
12974         (fusion_addis_mem_combo_store): Likewise.
12975         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
12976         (fusion_gpr_mem_load): Likewise.
12977         (fusion_addis_mem_combo_load): Likewise.
12978         (fusion_addis_mem_combo_store): Likewise.
12979         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
12980         Likewise.
12981         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
12982         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
12983         (rs6000_preferred_simd_mode): Likewise.
12984         (output_vec_const_move): Likewise.
12985         (rs6000_expand_vector_extract): Likewise.
12986         (rs6000_split_vec_extract_var): Likewise.
12987         (reg_offset_addressing_ok_p): Likewise.
12988         (rs6000_legitimate_offset_address_p): Likewise.
12989         (rs6000_legitimize_address): Likewise.
12990         (rs6000_emit_set_const): Likewise.
12991         (rs6000_const_vec): Likewise.
12992         (rs6000_emit_move): Likewise.
12993         (rs6000_darwin64_record_arg_recurse): Likewise.
12994         (swap_selector_for_mode): Likewise.
12995         (paired_init_builtins): Likewise.
12996         (altivec_init_builtins): Likewise.
12997         (rs6000_expand_float128_convert): Likewise.
12998         (emit_load_locked): Likewise.
12999         (emit_store_conditional): Likewise.
13000         (rs6000_output_function_epilogue): Likewise.
13001         (rs6000_handle_altivec_attribute): Likewise.
13002         (rs6000_function_value): Likewise.
13003         (emit_fusion_gpr_load): Likewise.
13004         (emit_fusion_p9_load): Likewise.
13005         (emit_fusion_p9_store): Likewise.
13006         * config/rx/rx.c (rx_gen_move_template): Likewise.
13007         (flags_from_mode): Likewise.
13008         * config/s390/predicates.md (s390_alc_comparison): Likewise.
13009         (s390_slb_comparison): Likewise.
13010         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
13011         (s390_vector_mode_supported_p): Likewise.
13012         (s390_cc_modes_compatible): Likewise.
13013         (s390_match_ccmode_set): Likewise.
13014         (s390_canonicalize_comparison): Likewise.
13015         (s390_emit_compare_and_swap): Likewise.
13016         (s390_branch_condition_mask): Likewise.
13017         (s390_rtx_costs): Likewise.
13018         (s390_secondary_reload): Likewise.
13019         (__SECONDARY_RELOAD_CASE): Likewise.
13020         (s390_expand_cs): Likewise.
13021         (s390_preferred_simd_mode): Likewise.
13022         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
13023         * config/sh/sh.c (sh_print_operand): Likewise.
13024         (dump_table): Likewise.
13025         (sh_secondary_reload): Likewise.
13026         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
13027         * config/sh/sh.md (casesi_worker_1): Likewise.
13028         (casesi_worker_2): Likewise.
13029         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
13030         (fcc_comparison_operator): Likewise.
13031         * config/sparc/sparc.c (sparc_expand_move): Likewise.
13032         (emit_soft_tfmode_cvt): Likewise.
13033         (sparc_preferred_simd_mode): Likewise.
13034         (output_cbranch): Likewise.
13035         (sparc_print_operand): Likewise.
13036         (sparc_expand_vec_perm_bmask): Likewise.
13037         (vector_init_bshuffle): Likewise.
13038         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
13039         (spu_vector_mode_supported_p): Likewise.
13040         (spu_expand_insv): Likewise.
13041         (spu_emit_branch_or_set): Likewise.
13042         (spu_handle_vector_attribute): Likewise.
13043         (spu_builtin_splats): Likewise.
13044         (spu_builtin_extract): Likewise.
13045         (spu_builtin_promote): Likewise.
13046         (spu_expand_sign_extend): Likewise.
13047         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
13048         (tilegx_simd_int): Likewise.
13049         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
13050         (tilepro_simd_int): Likewise.
13051         * config/v850/v850.c (const_double_split): Likewise.
13052         (v850_print_operand): Likewise.
13053         (ep_memory_offset): Likewise.
13054         * config/vax/vax.c (vax_rtx_costs): Likewise.
13055         (vax_output_int_move): Likewise.
13056         (vax_output_int_add): Likewise.
13057         (vax_output_int_subtract): Likewise.
13058         * config/visium/predicates.md (visium_branch_operator): Likewise.
13059         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
13060         (visium_print_operand_address): Likewise.
13061         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
13062         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
13063         (xtensa_expand_conditional_branch): Likewise.
13064         (xtensa_copy_incoming_a7): Likewise.
13065         (xtensa_output_literal): Likewise.
13066         * dfp.c (decimal_real_maxval): Likewise.
13067         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
13069 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
13070             Alan Hayward  <alan.hayward@arm.com>
13071             David Sherwood  <david.sherwood@arm.com>
13073         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
13074         (mode_nunits_inline): Likewise.
13075         (mode_inner_inline): Likewise.
13076         (mode_unit_size_inline): Likewise.
13077         (mode_unit_precision_inline): Likewise.
13078         (emit_insn_modes_h): Likewise.  Also emit a #define of the
13079         unprefixed name.
13080         (emit_mode_wider): Add an E_ prefix to mode names.
13081         (emit_mode_complex): Likewise.
13082         (emit_mode_inner): Likewise.
13083         (emit_mode_adjustments): Likewise.
13084         (emit_mode_int_n): Likewise.
13085         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
13086         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
13087         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
13088         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
13089         (CRC32_BUILTIN, ENTRY): Likewise.
13090         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
13091         (aarch64_pop_regs): Likewise.
13092         (aarch64_process_components): Likewise.
13093         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
13094         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
13095         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
13096         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
13097         * config/arm/arm.c (arm_init_libfuncs): Likewise.
13098         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
13099         Likewise.
13100         * config/i386/i386-builtin.def (pcmpestr): Likewise.
13101         (pcmpistr): Likewise.
13102         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
13103         * config/mmix/mmix.c (mmix_output_condition): Likewise.
13104         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
13105         Likewise.
13106         * config/rl78/rl78.c (mduc_regs): Likewise.
13107         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
13108         (htm_expand_builtin): Likewise.
13109         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
13110         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
13111         * config/xtensa/xtensa.c (print_operand): Likewise.
13112         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
13113         (NUM_MODE_VECTOR_INT): Likewise.
13114         * genoutput.c (null_operand): Likewise.
13115         (output_operand_data): Likewise.
13116         * genrecog.c (print_parameter_value): Likewise.
13117         * lra.c (debug_operand_data): Likewise.
13119 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
13121         * dwarf2out.c (scompare_loc_descriptor_wide)
13122         (scompare_loc_descriptor_narrow): New functions, split out from...
13123         (scompare_loc_descriptor): ...here.
13124         * expmed.c (emit_store_flag_int): New function, split out from...
13125         (emit_store_flag): ...here.
13127 2017-08-30  Richard Biener  <rguenther@suse.de>
13129         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
13130         (dwarf2out_early_finish): Move setting of AT_pubnames from
13131         early debug output to early finish.
13133 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
13135         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
13136         and -mdata-region to the assembler.
13138 2017-08-30  Richard Biener  <rguenther@suse.de>
13140         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
13141         attributes.
13142         (gen_subprogram_die): Add DW_AT_object_pointer only early.
13143         (dwarf2out_early_global_decl): Only generate a DIE for the
13144         abstract origin if it doesn't already exist or is a declaration DIE.
13145         (resolve_addr): Do not add the linkage name twice when
13146         generating a stub DIE for the DW_TAG_GNU_call_site target.
13148 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
13150         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13151         Use machine_mode rather than int for arg1_mode.
13153 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
13155         PR target/82015
13156         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
13157         that the second argument of the built-in functions to unpack
13158         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
13159         switch statement instead a lot of if statements.
13160         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
13161         Allow 64-bit values to be in Altivec registers as well as
13162         traditional floating point registers.
13163         (pack<mode>, FMOVE128_VSX iterator): Likewise.
13165 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
13167         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
13168         MAX_REGS_PER_ADDRESS == 1.
13170 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
13172         * config/i386/i386.opt (flag_fentry): Do not init to -1.
13173         * config/i386/i386.c (ix86_option_override_internal): Simplify
13174         setting of opts->x_flag_entry.
13176 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13177             Jakub Jelinek  <jakub@redhat.com>
13178             Richard Biener  <rguenther@suse.de>
13180         PR tree-optimization/81503
13181         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
13182         folded constant fits in the target type; reorder tests for clarity.
13184 2017-08-29  Martin Liska  <mliska@suse.cz>
13186         * passes.def: Include pass_lower_switch.
13187         * stmt.c (dump_case_nodes): Remove and move to
13188         tree-switch-conversion.
13189         (case_values_threshold): Likewise.
13190         (expand_switch_as_decision_tree_p): Likewise.
13191         (emit_case_decision_tree): Likewise.
13192         (expand_case): Likewise.
13193         (balance_case_nodes): Likewise.
13194         (node_has_low_bound): Likewise.
13195         (node_has_high_bound): Likewise.
13196         (node_is_bounded): Likewise.
13197         (emit_case_nodes): Likewise.
13198         (struct simple_case_node): New struct.
13199         (add_case_node): Remove.
13200         (emit_case_dispatch_table): Use vector instead of case_list.
13201         (reset_out_edges_aux): Remove.
13202         (compute_cases_per_edge): Likewise.
13203         (expand_case): Build list of simple_case_node.
13204         (expand_sjlj_dispatch_table): Use it.
13205         * tree-switch-conversion.c (struct case_node): Moved from
13206         stmt.c and adjusted.
13207         (emit_case_nodes): Likewise.
13208         (node_has_low_bound): Likewise.
13209         (node_has_high_bound): Likewise.
13210         (node_is_bounded): Likewise.
13211         (case_values_threshold): Likewise.
13212         (reset_out_edges_aux): Likewise.
13213         (compute_cases_per_edge): Likewise.
13214         (add_case_node): Likewise.
13215         (dump_case_nodes): Likewise.
13216         (balance_case_nodes): Likewise.
13217         (expand_switch_as_decision_tree_p): Likewise.
13218         (emit_jump): Likewise.
13219         (emit_case_decision_tree): Likewise.
13220         (try_switch_expansion): Likewise.
13221         (do_jump_if_equal): Likewise.
13222         (emit_cmp_and_jump_insns): Likewise.
13223         (fix_phi_operands_for_edge): New function.
13224         (record_phi_operand_mapping): Likewise.
13225         (class pass_lower_switch): New pass.
13226         (pass_lower_switch::execute): New function.
13227         (make_pass_lower_switch): Likewise.
13228         (conditional_probability):
13229         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
13230         * tree-pass.h: Add make_pass_lower_switch.
13232 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
13234         PR target/80993
13235         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
13236         handlers as used.
13238 2017-08-29  Richard Biener  <rguenther@suse.de>
13240         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
13241         we do not add a DW_AT_inline attribute twice.
13242         (gen_subprogram_die): Remove code setting DW_AT_inline on
13243         DECL_ABSTRACT_P nodes.
13245 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
13247         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
13248         calls to internal functions.
13249         (gimplify_modify_expr): Likewise.
13250         * tree-call-cdce.c (use_internal_fn): Likewise.
13251         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
13252         (convert_to_divmod): Set the nothrow flag.
13253         * tree-if-conv.c (predicate_mem_writes):  Likewise.
13254         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13255         (vectorizable_call): Likewise.
13256         (vectorizable_store): Likewise.
13257         (vectorizable_load): Likewise.
13258         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
13259         (vect_recog_mask_conversion_pattern): Likewise.
13261 2017-08-29  Martin Liska  <mliska@suse.cz>
13263         PR other/39851
13264         * gcc.c (driver_handle_option): Add new argument.
13265         * opts-common.c (handle_option): Pass
13266         target_option_override_hook.
13267         * opts-global.c (lang_handle_option): Add new option.
13268         (set_default_handlers):  Add new argument.
13269         (decode_options): Likewise.
13270         * opts.c (target_handle_option): Likewise.
13271         (common_handle_option): Call target_option_override_hook.
13272         * opts.h (struct cl_option_handler_func): Add hook for
13273         target option override.
13274         (struct cl_option_handlers): Likewise.
13275         (set_default_handlers): Add new argument.
13276         (decode_options): Likewise.
13277         (common_handle_option): Likewise.
13278         (target_handle_option): Likewise.
13279         * toplev.c (toplev::main): Pass targetm.target_option.override
13280         hook.
13282 2017-08-29  Richard Biener  <rguenther@suse.de>
13283         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
13285         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
13286         life to the active subtree.
13288 2017-08-28  Jeff Law  <law@redhat.com>
13290         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
13291         derive_equivalences.
13292         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
13293         Code moved into....
13294         (edge_info::derive_equivalences): New private member function
13296         * tree-ssa-dom.c (class edge_info): Changed from a struct
13297         to a class.  Add ctor/dtor, methods and data members.
13298         (edge_info::edge_info): Renamed from allocate_edge_info.
13299         Initialize additional members.
13300         (edge_info::~edge_info): New.
13301         (free_dom_edge_info): Delete the edge info.
13302         (record_edge_info): Use new class & associated member functions.
13303         Tighten forms for testing for edge equivalences.
13304         (record_temporary_equivalences): Iterate over the simple
13305         equivalences rather than assuming there's only one per edge.
13306         (cprop_into_successor_phis): Iterate over the simple
13307         equivalences rather than assuming there's only one per edge.
13308         (optimize_stmt): Use operand_equal_p rather than pointer
13309         equality for mini-DSE code.
13311 2017-08-28  Nathan Sidwell  <nathan@acm.org>
13313         * gcc.c (execute): Fold SIGPIPE handling into switch
13314         statement.  Adjust internal error message.
13316 2017-08-28  Richard Biener  <rguenther@suse.de>
13318         PR debug/81993
13319         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
13320         Do nothing for removed DIEs.
13322 2017-08-28  Richard Biener  <rguenther@suse.de>
13324         PR tree-optimization/81977
13325         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
13326         memcpy.
13328 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
13330         PR target/80640
13331         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
13332         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
13333         using targetm.gen_mem_thread_fence.
13335 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
13337         PR target/81995
13338         * config/i386/i386.md (*<btsc><mode>): Change operand 2
13339         predicate to register_operand.  Reorder operands.
13340         (*btr<mode>): Ditto.
13341         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
13342         (*btr<mode>_mask): Ditto.
13344 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
13346         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
13347         * config/rs6000/xmmintrin.h: New file.
13348         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
13350 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13352         PR target/81504
13353         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
13354         parameter and_insn and return it.
13355         (recombine_lvx_pattern): Insert a copy to ensure availability of
13356         the base register of the copied masking operation at the point of
13357         the instruction replacement.
13358         (recombine_stvx_pattern): Likewise.
13360 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
13362         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
13363         undocumented switches.
13364         (-mpower9-dform-vector): Likewise.
13365         (-mpower9-dform): Likewise.
13366         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
13367         comments to delete references to -mpower9-dform* switches.
13368         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
13369         Delete reference to -mpower9-dform* switches, test for
13370         -mpower9-vector instead.
13371         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
13372         (OTHER_P9_VECTOR_MASKS): Likewise.
13373         (POWERPC_MASKS): Likewise.
13374         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
13375         tests against -mpower9-dform* to -mpower9-vector.  Delete code
13376         that checked for -mpower9-dform* consistancy with other options.
13377         Add test for -mpower9-misc to enable other power9 switches.
13378         (rs6000_init_hard_regno_mode_ok): Likewise.
13379         (rs6000_option_override_internal): Likewise.
13380         (rs6000_emit_prologue): Likewise.
13381         (rs6000_emit_epilogue): Likewise.
13382         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
13383         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
13384         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
13385         -mpower9-vector.
13386         (emit_fusion_p9_store): Likewise.
13387         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
13388         resetting these macros if the assembler does not support ISA 3.0
13389         instructions.
13390         (TARGET_P9_DFORM_VECTOR): Likewise.
13391         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
13392         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
13394 2017-08-25  Alan Modra  <amodra@gmail.com>
13396         PR rtl-optimization/81747
13397         * cse.c (cse_extended_basic_block): Don't attempt to record
13398         equivalences for degenerate conditional branches that branch
13399         to their fall-through.
13401 2017-08-24  Martin Sebor  <msebor@redhat.com>
13403         PR middle-end/81908
13404         * gimple-fold.c (size_must_be_zero_p): New function.
13405         (gimple_fold_builtin_memory_op): Call it.
13407 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
13409         * config/rs6000/mm_malloc.h: New file.
13411 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
13413         PR tree-optimization/81913
13414         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
13415         analysis when either IVs in condition can wrap.
13417 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
13419         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
13420         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
13422 2017-08-24  Richard Biener  <rguenther@suse.de>
13424         PR target/81921
13425         * targhooks.c (default_target_can_inline_p): Properly
13426         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
13427         is present and always compare.
13428         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
13429         infer -mfpmath=sse from TARGET_SSE_P.
13430         (ix86_can_inline_p): Properly use target_option_default_node when
13431         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
13433 2017-08-24  Richard Biener  <rguenther@suse.de>
13435         PR debug/81936
13436         * dwarf2out.c (output_die): Handle flag_generate_offload like
13437         flag_generate_lto.
13438         (output_comp_unit): Likewise.
13439         (gen_array_type_die): Likewise.
13440         (dwarf2out_early_finish): Likewise.
13441         (note_variable_value_in_expr): Likewise.
13442         (dwarf2out_finish): Likewise.  Adjust assert.
13443         * cgraphunit.c (symbol_table::compile): Move setting of
13444         flag_generate_offload earlier ...
13445         (symbol_table::finalize_compilation_unit): ... here, before
13446         early debug finalization.
13448 2017-08-24  Richard Biener  <rguenther@suse.de>
13450         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
13451         and ipa-fnsummary.h.
13452         (ix86_can_inline_p): When ix86_fpmath flags do not match
13453         check whether the callee uses FP math at all.
13455 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
13457         PR middle-end/81931
13458         * tree-ssanames.c (get_nonzero_bits): Use element_precision
13459         instead of TYPE_PRECISION.
13461 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
13462             Alan Hayward  <alan.hayward@arm.com>
13463             David Sherwood  <david.sherwood@arm.com>
13465         * combine.c (make_extraction): Use subreg_offset_from_lsb.
13467 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
13469         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
13470         Remove field.
13471         (ix86_frame::stack_realign_allocate): New field.
13472         (struct machine_frame_state): Modify comments.
13473         (machine_frame_state::sp_realigned_fp_end): New field.
13474         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
13475         layout calculation.
13476         (sp_valid_at): Add assertion to assure no attempt to access invalid
13477         offset of a realigned stack.
13478         (fp_valid_at): Likewise.
13479         (choose_baseaddr): Modify comments.
13480         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
13481         ix86_expand_prologue.
13482         (ix86_expand_prologue): Modify stack realignment and allocation.
13483         (ix86_expand_epilogue): Modify comments.
13484         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
13485         avx2_runtime, avx512f, and avx512f_runtime.
13487 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
13489         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
13490         (mstackrealign): Do not init to -1.
13491         * config/i386/i386.c (ix86_option_override_internal):
13492         Check opts_set, not opts when setting default value of
13493         opts->x_ix86_force_align_arg_pointer.
13495 2017-08-23  Richard Biener  <rguenther@suse.de>
13497         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
13498         lang_hooks.decl_printable_name.
13499         * print-rtl-function.c (print_rtx_function): Likewise.
13500         * tree-pretty-print.c (dump_function_header): Likewise.
13502 2017-08-23  Richard Biener  <rguenther@suse.de>
13504         PR lto/81940
13505         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
13506         -g0 at compile-time.
13508 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
13510         PR middle-end/19706
13511         * doc/sourcebuild.texi (Other hardware attributes):
13512         Document xorsign.
13514 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
13516         PR middle-end/19706
13517         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
13518         Fix single-use check.
13520 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13522         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
13524 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
13526         * doc/install.texi: Modify to add more details on running selected
13527         tests.
13529 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
13531         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
13532         is combined with -mabi=ms.
13533         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
13534         ms_abi.
13536 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13538         PR tree-optimization/81488
13539         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
13540         and cached_basis fields.
13541         (MAX_SPREAD): New constant.
13542         (alloc_cand_and_find_basis): Initialize new fields.
13543         (clear_visited): New function.
13544         (create_phi_basis_1): Rename from create_phi_basis, set visited
13545         and cached_basis fields.
13546         (create_phi_basis): New wrapper function.
13547         (phi_add_costs_1): Rename from phi_add_costs, add spread
13548         parameter, set visited field, short-circuit when limits reached.
13549         (phi_add_costs): New wrapper function.
13550         (record_phi_increments_1): Rename from record_phi_increments, set
13551         visited field.
13552         (record_phi_increments): New wrapper function.
13553         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
13554         (phi_incr_cost): New wrapper function.
13555         (all_phi_incrs_profitable_1): Rename from
13556         all_phi_incrs_profitable, set visited field.
13557         (all_phi_incrs_profitable): New wrapper function.
13559 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
13560             Alan Hayward  <alan.hayward@arm.com>
13561             David Sherwood  <david.sherwood@arm.com>
13563         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
13564         that takes the outer and inner modes.
13565         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
13566         comparison as the canonical test for a paradoxical subreg.
13567         * combine.c (simplify_set): Use paradoxical_subreg_p.
13568         (make_extraction): Likewise.
13569         (force_to_mode): Likewise.
13570         (rtx_equal_for_field_assignment_p): Likewise.
13571         (gen_lowpart_for_combine): Likewise.
13572         (simplify_comparison): Likewise.
13573         * cse.c (equiv_constant): Likewise.
13574         * expmed.c (store_bit_field_1): Likewise.
13575         * final.c (alter_subreg): Likewise.
13576         * fwprop.c (propagate_rtx): Likewise.
13577         (forward_propagate_subreg): Likewise.
13578         * ira-conflicts.c (ira_build_conflicts): Likewise.
13579         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
13580         * lra-constraints.c (curr_insn_transform): Likewise.
13581         (split_reg): Likewise.
13582         * lra-eliminations.c (move_plus_up): Likewise.
13583         (lra_eliminate_regs_1): Likewise.
13584         * recog.c (general_operand): Likewise.
13585         * ree.c (combine_reaching_defs): Likewise.
13586         * reload.c (push_reload): Likewise.
13587         (find_reloads): Likewise.
13588         * reload1.c (elimination_effects): Likewise.
13589         (compute_reload_subreg_offset): Likewise.
13590         (choose_reload_regs): Likewise.
13591         * rtlanal.c (subreg_lsb_1): Likewise.
13592         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
13593         (simplify_subreg): Likewise.
13594         * var-tracking.c (track_loc_p): Likewise.
13595         * emit-rtl.c (byte_lowpart_offset): Likewise.
13596         (paradoxical_subreg_p): Delete out-of-line definition.
13598 2017-08-22  Jeff Law  <law@redhat.com>
13600         PR tree-optimization/81741
13601         PR tree-optimization/71947
13602         * tree-ssa-dom.c: Include tree-inline.h.
13603         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
13604         equivalences if one is more expensive to compute than the other.
13605         * tree-ssa-scopedtables.h (class const_or_copies): Make
13606         record_const_or_copy_raw method private.
13607         (class avail_exprs_stack): New method simplify_binary_operation.
13608         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
13609         avail_exprs_stack::simplify_binary_operation as needed.
13610         (avail_exprs_stack::simplify_binary_operation): New function.
13612 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
13614         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
13615         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
13616         (DOT_SYMBOLS): Likewise.
13617         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
13618         (RELOCATABLE_NEEDS_FIXUP): Likewise.
13619         (RS6000_ABI_NAME): Likewise.
13620         (TARGET_CMODEL): Likewise.
13621         (TOC_SECTION_ASM_OP): Likewise.
13622         (SET_CMODEL): New macro.
13623         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
13625 2017-08-22  Richard Biener  <rguenther@suse.de>
13627         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
13628         to allow for free-lang-data replacements similar to verify_type_variant.
13630 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
13631             Alan Hayward  <alan.hayward@arm.com>
13632             David Sherwood  <david.sherwood@arm.com>
13634         * config/aarch64/aarch64.md (casesi): Use DImode rather than
13635         VOIDmode for the LABEL_REF.
13637 2017-08-22  Richard Biener  <rguenther@suse.de>
13639         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
13641 2017-08-22  Richard Biener  <rguenther@suse.de>
13643         * common.opt (feliminate-dwarf2-dups): Ignore.
13644         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
13645         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
13646         same_die_p_wrap, compute_section_prefix,
13647         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
13648         (comdat_symbol_id, comdat_symbol_number): Likewise.
13649         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
13650         Likewise.
13651         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
13652         (output_die): Mark unreachable path unreachable.
13653         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
13654         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
13655         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
13656         (dwarf2out_early_finish): Likewise.
13658 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
13660         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
13662 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
13664         PR target/81910
13665         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
13666         not VAR_P. Filter attribute warnings with OPT_Wattributes.
13667         (avr_attribute_table) <io, io_low, address>: Initialize
13668         .decl_required with true.
13670 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
13672         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
13673         undocumented debugging options.
13674         (-mvsx-scalar-double): Likewise.
13675         (-mallow-df-permute): Likewise.
13676         (-mvectorize-builtins): Likewise.
13677         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
13678         (rs6000_builtin_vectorized_function): Likewise.
13679         (rs6000_builtin_md_vectorized_function): Likewise.
13680         (rs6000_opt_vars): Likewise.
13682 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
13684         PR target/46091
13685         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
13686         (*btrq_imm): Rename from *btrq.
13687         (*btcq_imm): Rename from *btcq.
13688         (btsc): New code attribute.
13689         (*<btsc><mode>): New insn pattern.
13690         (*btr<mode>): Ditto.
13691         (*<btsc><mode>_mask): New insn_and_split pattern.
13692         (*btr<mode>_mask): Ditto.
13694 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13695             Alan Hayward  <alan.hayward@arm.com>
13696             David Sherwood  <david.sherwood@arm.com>
13698         * function.c (pad_below): Simplify padding calculation.
13700 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13701             Alan Hayward  <alan.hayward@arm.com>
13702             David Sherwood  <david.sherwood@arm.com>
13704         * target.def (function_prologue): Remove frame size argument.
13705         (function_epilogue): Likewise.
13706         * doc/tm.texi: Regenerate.
13707         * final.c (final_start_function): Update call to function_prologue.
13708         (final_end_function): Update call to function_epilogue.
13709         (default_function_pro_epilogue): Remove frame size argument.
13710         * output.h (default_function_pro_epilogue): Likewise.
13711         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
13712         (arm_output_function_prologue): Likewise.
13713         * config/frv/frv.c (frv_function_prologue): Likewise.
13714         (frv_function_epilogue): Likewise.
13715         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
13716         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
13717         (ia64_output_function_epilogue): Likewise.
13718         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
13719         (m32r_output_function_epilogue): Likewise.
13720         * config/microblaze/microblaze.c (microblaze_function_prologue)
13721         (microblaze_function_epilogue): Likewise.
13722         * config/mips/mips.c (mips_output_function_prologue): Likewise.
13723         (mips_output_function_epilogue): Likewise.
13724         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
13725         (mmix_target_asm_function_epilogue): Likewise.
13726         * config/msp430/msp430.c (msp430_start_function): Likewise.
13727         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
13728         (nds32_asm_function_epilogue): Likewise.
13729         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
13730         * config/pa/pa.c (pa_output_function_prologue): Likewise.
13731         (pa_output_function_epilogue): Likewise.
13732         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
13733         (rs6000_output_function_epilogue): Likewise.
13734         * config/rl78/rl78.c (rl78_start_function): Likewise.
13735         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
13736         (rs6000_output_function_epilogue): Likewise.
13737         * config/rx/rx.c (rx_output_function_prologue): Likewise.
13738         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
13739         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
13740         (sparc_asm_function_epilogue): Likewise.
13742 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13744         * tree.h (type_has_mode_precision_p): New function.
13745         * convert.c (convert_to_integer_1): Use it.
13746         * expr.c (expand_expr_real_2): Likewise.
13747         (expand_expr_real_1): Likewise.
13748         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
13749         * match.pd: Likewise.
13750         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
13751         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
13752         * tree-tailcall.c (process_assignment): Likewise.
13753         * tree-vect-loop.c (vectorizable_reduction): Likewise.
13754         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
13755         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
13756         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
13757         (vectorizable_assignment): Likewise.
13758         (vectorizable_shift): Likewise.
13759         (vectorizable_operation): Likewise.
13760         * tree-vrp.c (register_edge_assert_for_2): Likewise.
13762 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
13764         * match.pd: Add pow (C, x) simplification.
13766 2017-08-21  Richard Biener  <rguenther@suse.de>
13768         PR tree-optimization/81900
13769         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
13770         for blocks with abnormal predecessors.
13771         (compute_antic): Do not set visited flag prematurely.
13773 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
13775         PR target/79883
13776         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
13778 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13780         * stor-layout.h (vector_type_mode): Move to...
13781         * tree.h (vector_type_mode): ...here.
13782         * stor-layout.c (vector_type_mode): Move to...
13783         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
13785 2017-08-21  Richard Biener  <rguenther@suse.de>
13787         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
13788         register_external_die hooks.
13789         (debug_false_tree_charstarstar_uhwistar): Declare.
13790         (debug_nothing_tree_charstar_uhwi): Likewise.
13791         * debug.c (do_nothing_debug_hooks): Adjust.
13792         (debug_false_tree_charstarstar_uhwistar): New do nothing.
13793         (debug_nothing_tree_charstar_uhwi): Likewise.
13794         * dbxout.c (dbx_debug_hooks): Adjust.
13795         (xcoff_debug_hooks): Likewise.
13796         * sdbout.c (sdb_debug_hooks): Likewise.
13797         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
13798         * dwarf2out.c (macinfo_label_base): New global.
13799         (dwarf2out_register_external_die): New function for the
13800         register_external_die hook.
13801         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
13802         (dwarf2_debug_hooks): Use them.
13803         (dwarf2_lineno_debug_hooks): Adjust.
13804         (struct die_struct): Add with_offset flag.
13805         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
13806         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
13807         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
13808         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
13809         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
13810         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
13811         defining section names for the early LTO debug variants.
13812         (reset_indirect_string): New helper.
13813         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
13814         (print_dw_val): Add support for offsetted symbol references.
13815         (get_ultimate_context): Split out from is_cxx.
13816         (is_cxx): Use get_ultimate_context.
13817         (is_fortran): Add decl overload.
13818         (compute_comp_unit_symbol): Split out worker from
13819         compute_section_prefix.
13820         (compute_section_prefix): Call compute_comp_unit_symbol and
13821         set comdat_type_p here.
13822         (output_die): Skip DIE symbol output for the LTO added one.
13823         Handle DIE symbol references with offset.
13824         (output_comp_unit): Guard section name mangling properly.
13825         For LTO debug sections emit a symbol at the section beginning
13826         which we use to refer to its DIEs.
13827         (add_abstract_origin_attribute): For DIEs registered via
13828         dwarf2out_register_external_die directly refer to the early
13829         DIE rather than indirectly through the shadow one we created.
13830         Remove obsolete call to dwarf2out_abstract_function for
13831         non-function/block origins.
13832         (gen_array_type_die): When generating early LTO debug do
13833         not emit DW_AT_string_length.
13834         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
13835         late when in LTO.  As suggested place a gcc_unreachable for
13836         the DECL_ABSTRACT_P case.
13837         (gen_subprogram_die): Avoid another specification DIE
13838         for early built declarations/definitions for the late LTO case.
13839         (gen_variable_die): Add type references for late duplicated VLA dies
13840         when in late LTO.
13841         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
13842         we have the abstract instance already.
13843         (process_scope_var): Adjust decl DIE contexts in LTO which
13844         first puts them in limbo.
13845         (gen_decl_die): Do not generate type DIEs late apart from
13846         types for VLAs or for decls we do not yet have a DIE.  Do not
13847         call dwarf2out_abstract_function late.
13848         (dwarf2out_early_global_decl): Make sure to create DIEs
13849         for abstract instances of a decl first.
13850         (dwarf2out_late_global_decl): Adjust comment.
13851         (output_macinfo_op): With multiple macro sections use
13852         macinfo_label_base to distinguish labels.
13853         (output_macinfo): Likewise.  Update macinfo_label_base.
13854         Pass in the line info label.
13855         (note_variable_value_in_expr): When generating LTO resolve
13856         all variable values here by generating DIEs as needed.
13857         (init_sections_and_labels): Add early LTO debug flag parameter
13858         and generate different sections and names if set.  Add generation
13859         counter for the labels so we can have multiple of them.
13860         (reset_dies): Helper to allow DIEs to be output multiple times.
13861         (dwarf2out_finish): When outputting DIEs to the fat part of an
13862         LTO object first reset DIEs.
13863         (dwarf2out_early_finish): Output early DIEs when generating LTO.
13864         (modified_type_die): Check for decl_ultimate_origin being self
13865         before recursing.
13866         (gen_type_die_with_usage): Likewise.
13867         (gen_typedef_die): Allow decl_ultimate_origin being self.
13868         (set_decl_abstract_flags): Remove.
13869         (set_block_abstract_flags): Likewise.
13870         (dwarf2out_abstract_function): Treat the early generated DIEs
13871         as the abstract copy and only add DW_AT_inline and
13872         DW_AT_artificial here and call set_decl_origin_self.
13873         If the DIE has an abstract origin don't do anything.
13874         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
13875         if we have none yet (Go fails to build one, PR78628).
13876         (variably_modified_type_p): Prevent endless recursion for Ada
13877         cyclic pointer types.
13878         * lto-streamer-in.c: Include debug.h.
13879         (dref_queue): New global.
13880         (lto_read_tree_1): Stream in DIE references.
13881         (lto_input_tree): Register DIE references.
13882         (input_function): Stream DECL_DEBUG_ARGS.
13883         * lto-streamer-out.c: Include debug.h.
13884         (lto_write_tree_1): Output DIE references.
13885         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
13886         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
13887         (output_function): Stream DECL_DEBUG_ARGS.
13888         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
13889         Stream DECL_ABSTRACT_ORIGIN.
13890         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
13891         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
13892         DECL_CONTEXT for file-scope decls.
13893         * lto-streamer.h (struct dref_entry): Declare.
13894         (dref_queue): Likewise.
13895         * cfgexpand.c (pass_expand::execute): Do not call the
13896         outlining_inline_function hook here.
13897         * lto-wrapper.c (debug_obj): New global.
13898         (tool_cleanup): Unlink it if required.
13899         (debug_objcopy): New function.
13900         (run_gcc): Handle early debug sections in the IL files by
13901         extracting them to separate files, partially linkin them and
13902         feeding the result back as result to the linker.
13903         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
13904         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
13905         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
13906         sections into a separate segment.
13907         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
13908         segments.
13909         (darwin_asm_dwarf_section): Likewise.
13910         (darwin_asm_output_dwarf_offset): Likewise.
13911         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
13913 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13914             Alan Hayward  <alan.hayward@arm.com>
13915             David Sherwood  <david.sherwood@arm.com>
13917         * read-md.h (md_reader::record_potential_iterator_use): Replace
13918         pointer argument with an rtx and an index.
13919         * read-rtl.c (iterator_group::apply_iterator): Likewise.
13920         (apply_mode_iterator): Likewise.
13921         (apply_code_iterator): Likewise.
13922         (apply_int_iterator): Likewise.
13923         (apply_subst_iterator): Likewise.
13924         (record_iterator_use): Likewise.
13925         (record_attribute_use): Likewise.
13926         (md_reader::record_potential_iterator_use): Likewise.  Update calls
13927         to record_iterator_use and apply_iterator.
13928         (iterator_use): Replace ptr with x and index.
13929         (attribute_use): Likewise.
13930         (apply_attribute_uses): Update calls to apply_iterator.
13931         (apply_iterators): Likewise.  Update initialization of iterator_use.
13932         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
13933         and record_potential_iterator_use.
13934         (rtx_reader::read_rtx_operand): Likewise.
13936 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
13937             Alan Hayward  <alan.hayward@arm.com>
13938             David Sherwood  <david.sherwood@arm.com>
13940         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
13941         CONST_WIDE_INT.
13943 2017-08-21  Richard Biener  <rguenther@suse.de>
13945         PR middle-end/81884
13946         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
13947         at struct end conservatively when comparing common bases.
13949 2017-08-21  Richard Biener  <rguenther@suse.de>
13951         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
13952         (mem_ref_in_stmt): Remove.
13953         (determine_max_movement): Use ref index to get at the reference.
13954         (invariantness_dom_walker::before_dom_children): Deal with
13955         lim data already initialized.
13956         (gather_mem_refs_stmt): Initialize lim data and record ref index.
13958 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
13960         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
13961         (TARGET_ISA_ROUND): Ditto.
13962         (TARGET_ROUND): Ditto.
13963         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
13964         * config/i386/i386.md: Ditto.
13965         * config/i386/sse.md: Ditto.
13966         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
13967         with OPTION_MASK_ISA_SSE4_1.
13969 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
13971         PR target/81894
13972         * doc/extend.texi (x86 Built-in Functions): Correct the name of
13973         __builtin_ia32_lzcnt_u16.
13975 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
13977         PR target/80210
13978         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
13979         (rs6000_set_current_function): Rewrite function to use it.
13981 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
13983         PR c/53037
13984         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
13985         and TYPE_WARN_IF_NOT_ALIGN.
13986         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
13987         (handle_warn_if_not_align): New.
13988         (place_union_field): Call handle_warn_if_not_align.
13989         (place_field): Call handle_warn_if_not_align.
13990         Copy TYPE_WARN_IF_NOT_ALIGN.
13991         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
13992         (layout_type): Likewise.
13993         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
13994         spare to 18.
13995         (tree_decl_common): Add warn_if_not_align.
13996         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
13997         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
13998         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
13999         (DECL_WARN_IF_NOT_ALIGN): Likewise.
14000         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
14001         * doc/extend.texi: Document warn_if_not_aligned attribute.
14002         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
14004 2017-08-17  Martin Liska  <mliska@suse.cz>
14006         PR bootstrap/81864
14007         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
14008         (get_data_dependence): Use it as pointer type.
14009         (distribute_loop): Likewise.
14011 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14013         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
14014         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
14015         (p8_vmrgow_<mode>_direct): New define_insn.
14016         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
14017         handle endianness for vmrgew and vmrgow permute patterns.
14019 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
14021         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
14022         * config/rs6000/rs6000-cpus.def: Remove comment.
14023         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
14024         (POWERPC_MASKS): Likewise.
14025         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
14026         use of TARGET_VSX_TIMODE.
14027         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
14028         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
14029         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
14030         (rs6000_option_override_internal): Remove dead code.
14031         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
14032         (rs6000_legitimize_reload_address): Likewise.
14033         (rs6000_legitimate_address_p): Likewise.
14034         (rs6000_opt_masks): Delete "vsx-timode".
14035         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
14036         from function comment.
14037         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
14038         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
14039         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
14040         condition.
14041         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
14042         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
14043         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
14044         (VSX_TI): Likewise.
14045         (VSX_M): Likewise.
14046         (define_peephole2): Likewise.
14048 2017-08-17  Martin Sebor  <msebor@redhat.com>
14050         PR c/81859
14051         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
14052         past the end of an array.
14053         (test_pp_format): Add test cases.
14055 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
14057         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
14058         missing ECF_NOTHROW flags.
14060 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
14062         PR target/72804
14063         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
14064         operands residing in integer registers.
14065         (*vsx_le_perm_load_<mode>): Likewise.
14066         (*vsx_le_perm_store_<mode>): Likewise.
14067         (define_peephole2): Add peepholes to optimize the above.
14069 2017-08-17  Marek Polacek  <polacek@redhat.com>
14071         PR middle-end/81814
14072         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
14073         to mimic what shorten_compare did.  Change the return type to bool.
14074         (fold_cond_expr_with_comparison): Update call to
14075         operand_equal_for_comparison_p.
14076         (fold_ternary_loc): Likewise.
14078 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
14080         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
14081         register.
14082         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
14084 2017-08-17  Richard Biener  <rguenther@suse.de>
14086         * tree-ssa-structalias.c (solve_graph): When propagating
14087         to successors update the graphs succ edges and avoid duplicate work.
14089 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
14091         PR target/81861
14092         * config/i386/i386.c (ix86_option_override_internal): Save target
14093         specific options after ix86_stack_protector_guard_reg was changed.
14095 2017-08-17  Richard Biener  <rguenther@suse.de>
14097         PR tree-optimization/81827
14098         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
14099         (new_var_info): Initialize it conservatively.
14100         (get_call_vi): Mark register vars.
14101         (new_scalar_tmp_constraint_exp): Likewise.
14102         (handle_rhs_call): Likewise.
14103         (handle_const_call): Likewise.
14104         (create_function_info_for): Likewise.
14105         (solve_constraints): Sort varinfos to separate register from
14106         non-register vars to pack points-to solution bitmaps during
14107         iteration.
14109 2017-08-17  Marek Polacek  <polacek@redhat.com>
14111         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
14113 2017-08-17  Richard Biener  <rguenther@suse.de>
14115         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
14116         to true when overflow is undefined and we saturated the result.
14118 2017-08-17  Alan Modra  <amodra@gmail.com>
14120         PR target/80938
14121         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
14122         Don't use store multiple if only one reg needs saving.
14123         (interesting_frame_related_regno): New function.
14124         (rs6000_frame_related): Don't emit frame info for regs that
14125         don't need saving.
14126         (rs6000_emit_epilogue): Likewise.
14128 2017-08-16  Nathan Sidwell  <nathan@acm.org>
14130         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
14131         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
14132         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
14133         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
14134         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
14135         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
14136         (verify_type): Adjust for TYPE_BINFO move.
14137         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
14138         process TYPE_BINFO directly.
14139         (hash_tree): Likewise.
14140         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
14141         Likewise.
14142         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
14143         Likewise.
14145 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
14147         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
14149 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
14151         PR target/46091
14152         * config/i386/i386.md (*anddi_1_btr): Change predicates of
14153         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
14154         Add ix86_binary_operator_ok to insn constraint.
14155         (*iordi_1_bts): Ditto.
14156         (*xordi_1_btc): Ditto.
14157         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
14158         Update corresponding peephole2 pattern.
14159         (*btrq): Ditto.
14160         (*btcq): Ditto.
14162 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
14164         PR tree-optimization/81832
14165         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
14166         copy loop header which has IFN_LOOP_DIST_ALIAS call.
14168 2017-08-16  Marek Polacek  <polacek@redhat.com>
14170         PR middle/81695
14171         * fold-const.c (fold_indirect_ref_1): Restore original behavior
14172         regarding size_zero_node.
14174 2017-08-16  Martin Liska  <mliska@suse.cz>
14176         PR target/81753
14177         * config.gcc: Respect previously set extra_objs in case
14178         of darwin target.
14180 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
14182         PR tree-optimization/81835
14183         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
14184         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
14185         not depend on the phi.
14187 2017-08-16  Alan Modra  <amodra@gmail.com>
14189         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
14190         dead code.
14192 2017-08-16  Alan Modra  <amodra@gmail.com>
14194         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
14195         (save_reg_p): ..into this.  Update all callers.
14196         (first_reg_to_save): Simplify.
14198 2017-08-16  Alan Modra  <amodra@gmail.com>
14200         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
14201         fixed regs.
14203 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
14205         PR target/78460
14206         PR target/67712
14207         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
14208         constant count if that count is less than 32.
14210 2017-08-15  Nathan Sidwell  <nathan@acm.org>
14212         * gcc.c (execute): Emit friendlier message if inferior is killed
14213         by an external cause.
14215 2017-08-15  Richard Biener  <rguenther@suse.de>
14217         PR tree-optimization/81790
14218         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
14219         CONSTRUCTORs from simplifying and VN.
14221 2017-08-14  Martin Sebor  <msebor@redhat.com>
14223         * builtin-attrs.def: Add comments.
14225 2017-08-14  Martin Sebor  <msebor@redhat.com>
14227         PR c/81117
14228         * doc/extend.texi (attribute nonstring): Document new attribute.
14230 2017-08-14  Martin Sebor  <msebor@redhat.com>
14232         PR c/81117
14233         * tree-diagnostic.c (default_tree_printer): Handle %G.
14234         * gimple-pretty-print.h (percent_G_format): Declare new function.
14235         * gimple-pretty-print.c (percent_G_format): Define.
14236         * tree-pretty-print.c (percent_K_format): Add argument.
14238 2017-08-14  Martin Sebor  <msebor@redhat.com>
14240         PR translation/79998
14241         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
14242         Remove a stray space.
14244 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
14246         PR target/46091
14247         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
14248         (*iordi_1_bts): Ditto.
14249         (*xordi_1_btc): Ditto.
14251 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14253         PR target/79845
14254         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
14255         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14256         Likewise.
14257         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
14258         quoted strings, and make more translator-friendly.
14259         (darwin_rs6000_override_options): Likewise.
14260         (rs6000_option_override_internal): Likewise.
14261         (rs6000_return_in_memory): Fix overlong line.
14262         (init_cmulative_args): Use quoted strings, and make more
14263         translator-friendly.
14264         (rs6000_pass_by_reference): Fix overlong line.
14265         (def_builtin): Use quoted strings.
14266         (altivec_expand_predicate_builtin): Use quoted strings, and make
14267         more translator-friendly.
14268         (htm_expand_builtin): Use quoted strings.
14269         (cpu_expand_builtin): Use quoted strings, and make more
14270         translator-friendly.
14271         (altivec_expand_builtin): Likewise.
14272         (paired_expand_predicate_builtin): Likewise.
14273         (rs6000_invalid_builtin): Likewise.
14274         (builtin_function_type): Use quoted strings.
14275         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
14276         more translator-friendly.
14277         (rs6000_trampoline_init): Likewise.
14278         (rs6000_handle_altivec_attribute): Likewise.
14279         (rs6000_inner_target_options): Use quoted strings.
14280         (rs6000_disable_incompatible_switches): Likewise.
14281         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
14282         strings, and make more translator-friendly.
14283         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
14285 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
14287         PR tree-optimization/81799
14288         * tree-loop-distribution.c (version_loop_by_alias_check): Force
14289         cond_expr to simple gimple operand.
14291 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
14293         PR middle-end/46932
14294         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
14296 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
14298         PR target/81754
14299         PR target/81268
14300         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
14301         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
14302         TARGET_GASISR_PROLOGUES.
14303         * config/avr/avr.c (avr_option_override): Same.
14304         (avr_pass_pre_proep::execute): Same.
14306 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
14308         PR target/81820
14309         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
14310         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
14312 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
14314         * config/i386/i386.md (*load_tp_<mode>): Redefine as
14315         define_insn_and_split.  Split to a memory load from 0 in
14316         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
14317         using PTR mode iterator.
14318         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
14319         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
14320         (*add_tp_<mode>): Redefine as define_insn_and_split.
14321         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
14322         address space.  Merge with *add_tp_x32 using PTR mode iterator.
14323         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
14324         Split to an add with a  memory load from 0 in
14325         DEFAULT_TLS_SEG_REG address space.
14327 2017-08-12  Andrew Pinski  <apinski@cavium.com>
14329         * config/aarch64/aarch64-option-extensions.def (rdma):
14330         Fix feature string to what Linux prints out in /proc/cpuinfo.
14332 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
14334         PR ada/79542
14335         * dwarf2out.c (modified_type_die): For C typedef types that have
14336         an ultimate origin, process the ultimate origin instead of the
14337         input type.
14338         (gen_typedef_die): Assert that input DECLs have no ultimate
14339         origin.
14340         (gen_type_die_with_usage): For typedef variants that have an
14341         ultimate origin, just call gen_decl_die on the original DECL.
14342         (process_scope_var): Avoid creating DIEs for local typedefs and
14343         concrete static variables.
14345 2017-08-12  Alan Modra  <amodra@gmail.com>
14347         PR target/81170
14348         PR target/81295
14349         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
14350         match gnu-user.h startfile.
14351         (ENDFILE_LINUX_SPEC): Similarly.
14353 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
14355         PR lto/81430
14356         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
14357         Remove function.
14358         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
14360 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
14361         * config/aarch64/aarch64.md (mov<mode>): Change.
14362         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
14363         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
14364         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
14366 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
14368         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
14369         for storage order barriers.
14371 2017-08-11  Martin Liska  <mliska@suse.cz>
14373         PR tree-opt/79987
14374         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
14375         variables of void type.
14377 2017-08-11  Martin Liska  <mliska@suse.cz>
14379         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
14380         TARGET_SUPPORTS_ALIASES.
14381         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
14382         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
14383         (optimize_weakref): Likewise.
14384         * symtab.c (symtab_node::noninterposable_alias): Likewise.
14385         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
14386         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
14388 2017-08-11  Martin Liska  <mliska@suse.cz>
14390         PR ipa/81213
14391         * config/i386/i386.c (make_resolver_func): Do complete
14392         refactoring of the function.
14394 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
14396         PR target/81708
14397         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
14398         * config/i386/i386.c (ix86_stack_protect_guard): Use
14399         ix86_stack_protect_guard_symbol_str to generate varible declaration.
14400         * doc/invoke.texi (x86 Options): Document
14401         -mstack-protector-guard-symbol= option.
14403 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
14405         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
14406         * config/i386/i386.c (ix86_split_stack_guard): New function.
14407         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
14408         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
14409         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
14410         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
14411         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
14412         (split_stack_space_check): Call ix86_split_stack_guard.
14414 2017-08-10  Martin Sebor  <msebor@redhat.com>
14416         * print-tree.c (print_node): Print location using the established
14417         format %s:%i%i.
14418         Replace spaces with colons.
14419         (debug_raw, debug): Ditto.
14421 2017-08-10  Martin Sebor  <msebor@redhat.com>
14423         PR c++/81586
14424         * pretty-print.c (pp_format): Correct the handling of %s precision.
14426 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
14428         PR target/81736
14429         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
14430         to ...
14431         (ix86_finalize_stack_frame_flags): This.  Also clear
14432         frame_pointer_needed if -fno-omit-frame-pointer is used without
14433         stack access.
14434         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
14435         with ix86_finalize_stack_frame_flags.
14436         (ix86_expand_epilogue): Likewise.
14437         (ix86_expand_split_stack_prologue): Likewise.
14438         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
14440 2017-08-10  Martin Liska  <mliska@suse.cz>
14442         PR c++/81355
14443         * c-attribs.c (handle_target_attribute):
14444         Report warning for an empty string argument of target attribute.
14446 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
14448         PR c/81687
14449         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
14450         LABEL_DECLs.
14451         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
14452         or DECL_NONLOCAL labels.
14453         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
14454         or DECL_NONLOCAL labels here.
14456 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
14458         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
14459         to indicate when early gimple folding has been disabled.
14460         (rs6000_gimple_fold_builtin): Add debug content.
14461         (rs6000_invalid_builtin): Fix whitespace.
14462         (rs6000_expand_builtin): Fix whitespace.
14463         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
14465 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
14467         PR target/80938
14468         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
14469         SAVE_MULTIPLE if not all the registers that saves, should be saved.
14471 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
14473         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
14474         (qdf24xx): Likewise.
14475         * config/aarch64/aarch64.md: Include falkor.md.
14476         * config/aarch64/falkor.md: New.
14478 2017-08-09  Marek Polacek  <polacek@redhat.com>
14480         PR c/81233
14481         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
14482         * diagnostic.c (emit_diagnostic): Add a comment.
14483         (emit_diagnostic_valist): New function.
14485 2017-08-09  Marek Polacek  <polacek@redhat.com>
14487         PR c/81417
14488         * input.c (make_location): New overload.
14489         * input.h (make_location): Declare.
14491 2017-08-08  Alan Modra  <amodra@gmail.com>
14492             H.J. Lu  <hongjiu.lu@intel.com>
14494         PR driver/81523
14495         * gcc.c (NO_PIE_SPEC): Delete.
14496         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
14497         exclusion..
14498         (LINK_PIE_SPEC): ..to here.
14499         (LINK_COMMAND_SPEC): Support -no-pie.
14500         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
14501         chain of crtbegin*.o selection, update for PIE_SPEC changes and
14502         format.
14503         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
14504         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
14505         (ENDFILE_CRTEND_SPEC): Similarly.
14507 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
14509         PR target/81708
14510         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
14511         (mstack-protector-guard-offset=): Ditto.
14512         * config/i386/i386.c (ix86_option_override): Handle
14513         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
14514         options.
14515         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
14516         ix86_stack_protect_guard_offset variables.
14517         (TARGET_STACK_PROTECT_GUARD): Always define.
14518         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
14519         and -mstack-protector-guard-offset= options.
14521 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
14523         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
14524         boundary case for the last candidate.
14526 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
14528         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
14529         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
14531 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
14533         PR middle-end/19706
14534         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
14535         * config/aarch64/aarch64-builtins.c
14536         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
14537         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
14538         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
14540 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
14541             Andrew Pinski <pinskia@gmail.com>
14543         PR middle-end/19706
14544         * internal-fn.def (XORSIGN): New.
14545         * optabs.def (xorsign_optab): New.
14546         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
14547         (convert_expand_mult_copysign): New.
14548         (pass_optimize_widening_mul::execute): Call
14549         convert_expand_mult_copysign.
14551 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14553         PR tree-optimization/81354
14554         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
14555         Insert on edges rather than explicitly creating landing pads.
14556         (analyze_candidates_and_replace): Commit edge inserts.
14558 2017-08-08  Richard Biener  <rguenther@suse.de>
14560         PR middle-end/81719
14561         * tree-ssa-loop-niter.c: Include tree-dfa.h.
14562         (expand_simple_operations): Also look through ADDR_EXPRs with
14563         MEM_REF bases treating them as POINTER_PLUS_EXPR.
14565 2017-08-08  Richard Biener  <rguenther@suse.de>
14567         PR tree-optimization/81723
14568         * tree-vect-slp.c (struct bst_traits): New hash traits.
14569         (bst_fail): New global.
14570         (vect_build_slp_tree_2): New worker, split out from ...
14571         (vect_build_slp_tree): ... this now wrapping it with using
14572         bst_fail set to cache SLP tree build fails.  Properly handle
14573         max_tree_size.
14574         (vect_analyze_slp_instance): Allocate and free bst_fail.
14576 2017-08-08  Martin Liska  <mliska@suse.cz>
14578         PR tree-opt/81696
14579         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
14580         LABEL_DECLs that can be from a different function.
14582 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
14584         PR tree-optimization/81744
14585         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
14586         loop's number of iterations.
14588 2017-08-08  Martin Liska  <mliska@suse.cz>
14590         * asan.c: Include header files.
14591         * attribs.c (build_decl_attribute_variant): New function moved
14592         from tree.[ch].
14593         (build_type_attribute_qual_variant): Likewise.
14594         (cmp_attrib_identifiers): Likewise.
14595         (simple_cst_list_equal): Likewise.
14596         (omp_declare_simd_clauses_equal): Likewise.
14597         (attribute_value_equal): Likewise.
14598         (comp_type_attributes): Likewise.
14599         (build_type_attribute_variant): Likewise.
14600         (lookup_ident_attribute): Likewise.
14601         (remove_attribute): Likewise.
14602         (merge_attributes): Likewise.
14603         (merge_type_attributes): Likewise.
14604         (merge_decl_attributes): Likewise.
14605         (merge_dllimport_decl_attributes): Likewise.
14606         (handle_dll_attribute): Likewise.
14607         (attribute_list_equal): Likewise.
14608         (attribute_list_contained): Likewise.
14609         * attribs.h (lookup_attribute): New function moved from tree.[ch].
14610         (lookup_attribute_by_prefix): Likewise.
14611         * bb-reorder.c: Include header files.
14612         * builtins.c: Likewise.
14613         * calls.c: Likewise.
14614         * cfgexpand.c: Likewise.
14615         * cgraph.c: Likewise.
14616         * cgraphunit.c: Likewise.
14617         * convert.c: Likewise.
14618         * dwarf2out.c: Likewise.
14619         * final.c: Likewise.
14620         * fold-const.c: Likewise.
14621         * function.c: Likewise.
14622         * gimple-expr.c: Likewise.
14623         * gimple-fold.c: Likewise.
14624         * gimple-pretty-print.c: Likewise.
14625         * gimple.c: Likewise.
14626         * gimplify.c: Likewise.
14627         * hsa-common.c: Likewise.
14628         * hsa-gen.c: Likewise.
14629         * internal-fn.c: Likewise.
14630         * ipa-chkp.c: Likewise.
14631         * ipa-cp.c: Likewise.
14632         * ipa-devirt.c: Likewise.
14633         * ipa-fnsummary.c: Likewise.
14634         * ipa-inline.c: Likewise.
14635         * ipa-visibility.c: Likewise.
14636         * ipa.c: Likewise.
14637         * lto-cgraph.c: Likewise.
14638         * omp-expand.c: Likewise.
14639         * omp-general.c: Likewise.
14640         * omp-low.c: Likewise.
14641         * omp-offload.c: Likewise.
14642         * omp-simd-clone.c: Likewise.
14643         * opts-global.c: Likewise.
14644         * passes.c: Likewise.
14645         * predict.c: Likewise.
14646         * sancov.c: Likewise.
14647         * sanopt.c: Likewise.
14648         * symtab.c: Likewise.
14649         * toplev.c: Likewise.
14650         * trans-mem.c: Likewise.
14651         * tree-chkp.c: Likewise.
14652         * tree-eh.c: Likewise.
14653         * tree-into-ssa.c: Likewise.
14654         * tree-object-size.c: Likewise.
14655         * tree-parloops.c: Likewise.
14656         * tree-profile.c: Likewise.
14657         * tree-ssa-ccp.c: Likewise.
14658         * tree-ssa-live.c: Likewise.
14659         * tree-ssa-loop.c: Likewise.
14660         * tree-ssa-sccvn.c: Likewise.
14661         * tree-ssa-structalias.c: Likewise.
14662         * tree-ssa.c: Likewise.
14663         * tree-streamer-in.c: Likewise.
14664         * tree-vectorizer.c: Likewise.
14665         * tree-vrp.c: Likewise.
14666         * tsan.c: Likewise.
14667         * ubsan.c: Likewise.
14668         * varasm.c: Likewise.
14669         * varpool.c: Likewise.
14670         * tree.c: Remove functions moved to attribs.[ch].
14671         * tree.h: Likewise.
14672         * config/aarch64/aarch64.c: Add attrs.h header file.
14673         * config/alpha/alpha.c: Likewise.
14674         * config/arc/arc.c: Likewise.
14675         * config/arm/arm.c: Likewise.
14676         * config/avr/avr.c: Likewise.
14677         * config/bfin/bfin.c: Likewise.
14678         * config/c6x/c6x.c: Likewise.
14679         * config/cr16/cr16.c: Likewise.
14680         * config/cris/cris.c: Likewise.
14681         * config/darwin.c: Likewise.
14682         * config/epiphany/epiphany.c: Likewise.
14683         * config/fr30/fr30.c: Likewise.
14684         * config/frv/frv.c: Likewise.
14685         * config/ft32/ft32.c: Likewise.
14686         * config/h8300/h8300.c: Likewise.
14687         * config/i386/winnt.c: Likewise.
14688         * config/ia64/ia64.c: Likewise.
14689         * config/iq2000/iq2000.c: Likewise.
14690         * config/lm32/lm32.c: Likewise.
14691         * config/m32c/m32c.c: Likewise.
14692         * config/m32r/m32r.c: Likewise.
14693         * config/m68k/m68k.c: Likewise.
14694         * config/mcore/mcore.c: Likewise.
14695         * config/microblaze/microblaze.c: Likewise.
14696         * config/mips/mips.c: Likewise.
14697         * config/mmix/mmix.c: Likewise.
14698         * config/mn10300/mn10300.c: Likewise.
14699         * config/moxie/moxie.c: Likewise.
14700         * config/msp430/msp430.c: Likewise.
14701         * config/nds32/nds32-isr.c: Likewise.
14702         * config/nds32/nds32.c: Likewise.
14703         * config/nios2/nios2.c: Likewise.
14704         * config/nvptx/nvptx.c: Likewise.
14705         * config/pa/pa.c: Likewise.
14706         * config/pdp11/pdp11.c: Likewise.
14707         * config/powerpcspe/powerpcspe.c: Likewise.
14708         * config/riscv/riscv.c: Likewise.
14709         * config/rl78/rl78.c: Likewise.
14710         * config/rx/rx.c: Likewise.
14711         * config/s390/s390.c: Likewise.
14712         * config/sh/sh.c: Likewise.
14713         * config/sol2.c: Likewise.
14714         * config/sparc/sparc.c: Likewise.
14715         * config/spu/spu.c: Likewise.
14716         * config/stormy16/stormy16.c: Likewise.
14717         * config/tilegx/tilegx.c: Likewise.
14718         * config/tilepro/tilepro.c: Likewise.
14719         * config/v850/v850.c: Likewise.
14720         * config/vax/vax.c: Likewise.
14721         * config/visium/visium.c: Likewise.
14722         * config/xtensa/xtensa.c: Likewise.
14724 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
14726         PR target/81593
14727         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
14728         constraints since the -mupper-regs-* switches have been
14729         eliminated.
14730         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
14731         into a vector from a double word element that was extracted from
14732         another vector, and eliminate extra XXPERMDI instructions.
14733         (vsx_concat_<mode>_2): Likewise.
14734         (vsx_concat_<mode>_3): Likewise.
14735         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
14736         concat to allow optimizing inserts from previous extracts.
14738 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
14740         * config/i386/i386.c (ix86_stack_protect_guard): Generate
14741         memory reference to a SSP offset in TLS address space.
14742         (ix86_print_operand) <case '@'>: Remove.
14743         (ix86_print_operand_punct_valid_p): Remove '@' code.
14744         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
14745         UNSPEC_SP_TLS_TEST.
14746         (stack_tls_protect_set_<mode>): Remove.
14747         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
14748         (stack_tls_protect_test_<mode>): Remove.
14749         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
14751 2017-08-07  Olivier Hainque  <hainque@adacore.com>
14753         PR target/81755
14754         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
14756 2017-08-07  Douglas Rupp  <rupp@adacore.com>
14758         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
14759         variable was referenced as multidir in command.
14761 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
14763         PR c/69389
14764         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
14765         BIT_FIELD_REF.
14767 2017-08-07  Martin Liska  <mliska@suse.cz>
14769         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
14770         * config/rl78/rl78.c: Add include of attribs.h.
14771         * config/sh/sh.c: Likewise.
14772         * config/v850/v850.c: Likewise.
14774 2017-08-07  Tom de Vries  <tom@codesourcery.com>
14776         PR middle-end/78266
14777         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
14779 2017-08-07  Martin Liska  <mliska@suse.cz>
14781         * config/mips/mips.c: Include attribs.h.
14783 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
14785         PR fortran/68829
14786         * doc/invoke.texi: Document change in behvaior for -Ofast for
14787         Fortran.
14789 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
14791         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
14792         Use gen_frame_mem.
14793         (aarch64_pop_regs): Likewise.
14794         (aarch64_gen_load_pair): Likewise.
14795         (aarch64_save_callee_saves): Likewise.
14796         (aarch64_restore_callee_saves): Likewise.
14798 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
14800         * config/i386/i386.c: Revert the last change.
14802 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
14804         PR target/81736
14805         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
14806         to ...
14807         (ix86_finalize_stack_frame_flags): This.  Also clear
14808         frame_pointer_needed if -fno-omit-frame-pointer is used without
14809         stack access.
14810         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
14811         with ix86_finalize_stack_frame_flags.
14812         (ix86_expand_epilogue): Likewise.
14813         (ix86_expand_split_stack_prologue): Likewise.
14815 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
14817         PR target/81743
14818         * config/i386/i386.c (get_builtin_code_for_version): Set priority
14819         to P_AES for Westmere.
14821 2017-08-07  Jonathan Yong  <10walls@gmail.com>
14823         * config/i386/mingw.opt (fset-stack-executable): Removed.
14824         * config/i386/cygming.opt (fset-stack-executable): Moved
14825         from mingw.opt.
14826         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
14828 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
14830         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
14832 2017-08-07  Marek Polacek  <polacek@redhat.com>
14834         PR middle-end/81737
14835         * fold-const.c (fold_indirect_ref_1): Check type_domain.
14837 2017-08-07  Martin Liska  <mliska@suse.cz>
14839         * attribs.h (canonicalize_attr_name): New function.
14840         (cmp_attribs): Move from c-format.c and adjusted.
14841         (is_attribute_p): Moved from tree.h.
14842         * tree-inline.c: Add new includes.
14843         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
14844         (private_is_attribute_p): Remove.
14845         (private_lookup_attribute): Likewise.
14846         (private_lookup_attribute_by_prefix): Simplify.
14847         (remove_attribute): Use is_attribute_p.
14848         * tree.h: Remove removed declarations.
14850 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
14852         PR middle-end/81698
14853         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
14854         instead of computing it in the function.  Formatting fix.
14855         (expand_case): Don't rely on default_edge being the first edge,
14856         clear it if removing it, pass default_edge to
14857         emit_case_dispatch_table.
14858         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
14859         fix.
14861 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
14863         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
14864         insn in the function, emit NOP after the insn.
14866 2017-08-06  Tom de Vries  <tom@codesourcery.com>
14868         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
14869         and element loops.
14871 2017-08-06  Tom de Vries  <tom@codesourcery.com>
14873         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
14874         loop.
14876 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
14878         PR tree-optimization/57371
14879         * match.pd: New pattern.
14881 2017-08-04  Marek Polacek  <polacek@redhat.com>
14883         PR middle-end/81695
14884         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
14885         perform the computation in offset_int.
14887 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
14889         PR tree-optimization/81136
14890         * tree-vectorizer.h: Include tree-hash-traits.h.
14891         (vec_base_alignments): New typedef.
14892         (vec_info): Add a base_alignments field.
14893         (vect_record_base_alignments): Declare.
14894         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
14895         field.
14896         (DR_IS_CONDITIONAL_IN_STMT): New macro.
14897         (create_data_ref): Add an is_conditional_in_stmt argument.
14898         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
14899         the is_conditional_in_stmt field.
14900         (data_ref_loc): Add an is_conditional_in_stmt field.
14901         (get_references_in_stmt): Set the is_conditional_in_stmt field.
14902         (find_data_references_in_stmt): Update call to create_data_ref.
14903         (graphite_find_data_references_in_stmt): Likewise.
14904         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
14905         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
14906         (vect_record_base_alignment): New function.
14907         (vect_record_base_alignments): Likewise.
14908         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
14909         for nested statements even if we fail to compute a misalignment.
14910         Use pooled base alignments for unconditional references.
14911         (vect_find_same_alignment_drs): Compare base addresses instead
14912         of base objects.
14913         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
14914         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
14916 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
14918         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
14919         Add an explicit name for the enum.  Use auto_vec for slp_instances
14920         and grouped_stores.
14921         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
14922         for all vectors.
14923         (_bb_vec_info): Add a constructor and destructor.
14924         (vinfo_for_stmt): Return NULL for uids of -1 as well.
14925         (destroy_loop_vec_info): Delete.
14926         (vect_destroy_datarefs): Likewise.
14927         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
14928         (vec_info::vec_info): New function.
14929         (vec_info::~vec_info): Likewise.
14930         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
14931         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
14932         destroy_loop_vec_info.
14933         * tree-vect-loop.c (new_loop_vec_info): Replace with...
14934         (_loop_vec_info::_loop_vec_info): ...this.
14935         (destroy_loop_vec_info): Replace with...
14936         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
14937         the stmt_vec_infos.  Leave handling of vec_info information to its
14938         destructor.  Remove explicit vector releases.
14939         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
14940         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
14941         * tree-vect-slp.c (new_bb_vec_info): Replace with...
14942         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
14943         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
14944         (destroy_bb_vec_info): Replace with...
14945         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
14946         information to its destructor.
14947         (vect_slp_analyze_bb_1): Use new and delete instead of
14948         new_bb_vec_info and destroy_bb_vec_info.
14949         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
14950         single delete.
14952 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
14954         * tree-data-ref.h (subscript): Add access_fn field.
14955         (data_dependence_relation): Add could_be_independent_p.
14956         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
14957         (same_access_functions): Move to tree-data-ref.c.
14958         * tree-data-ref.c (ref_contains_union_access_p): New function.
14959         (access_fn_component_p): Likewise.
14960         (access_fn_components_comparable_p): Likewise.
14961         (dr_analyze_indices): Add a reference to access_fn_component_p.
14962         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
14963         DR_ACCESS_FN.
14964         (constant_access_functions): Likewise.
14965         (add_other_self_distances): Likewise.
14966         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
14967         (initialize_data_dependence_relation): Use XCNEW and remove
14968         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
14969         of access functions that have the same type.  Allow the
14970         subsequence to end with different bases in some circumstances.
14971         Record the chosen access functions in SUB_ACCESS_FN.
14972         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
14973         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
14974         (subscript_dependence_tester_1): Likewise dra and drb.
14975         (build_classic_dist_vector): Update calls accordingly.
14976         (subscript_dependence_tester): Likewise.
14977         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
14978         DDR_COULD_BE_INDEPENDENT_P.
14979         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
14980         comp_alias_ddrs instead of may_alias_ddrs.
14981         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
14982         New function.
14983         (vect_analyze_data_ref_dependence): Use it if
14984         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
14985         distance vectors if that fails.
14986         (dependence_distance_ge_vf): New function.
14987         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
14988         LOOP_VINFO_MAY_ALIAS_DDRS.
14990 2017-08-04  Richard Biener  <rguenther@suse.de>
14992         PR middle-end/81705
14993         * fold-const.c (fold_binary_loc): Properly restrict
14994         minus_var0 && minus_var1 case when associating undefined overflow
14995         entities.
14997 2017-08-04  Tom de Vries  <tom@codesourcery.com>
14999         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
15001 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15003         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
15004         Don't start diagnostic messages with a capital letter.
15005         * config/rs6000/rs6000.c (rs6000_option_override_internal):
15006         Likewise.
15007         (rs6000_invalid_builtin): Likewise.
15008         (rs6000_trampoline_init): Likewise.
15010 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
15012         PR target/81621
15013         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
15014         after setting changeable df flags.
15016 2017-08-03  Richard Biener  <rguenther@suse.de>
15018         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
15019         up if the use is in USE - X.
15021 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
15023         * toplev.c (dumpfile.h): New include.
15024         (internal_error_reentered): New static function.  Use it...
15025         (internal_error_function): ...here to handle reentered internal_error.
15027 2017-08-03  Richard Biener  <rguenther@suse.de>
15029         PR middle-end/81148
15030         * fold-const.c (split_tree): Add minus_var and minus_con
15031         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
15032         here but always use minus_*.
15033         (associate_trees): Assert we never associate with MINUS_EXPR
15034         and NULL first operand.  Do not recurse for PLUS_EXPR operands
15035         when associating as MINUS_EXPR either.
15036         (fold_binary_loc): Track minus_var and minus_con.
15038 2017-08-03  Tom de Vries  <tom@codesourcery.com>
15040         PR lto/81430
15041         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
15042         ACCEL_COMPILER, apply finish_options on
15043         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
15045 2017-08-03  Tom de Vries  <tom@codesourcery.com>
15047         PR target/81662
15048         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
15049         function_entry_patch_area_size > 0.
15051 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
15053         PR driver/81650
15054         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
15055         instead of 10??LU, perform unit multiplication in wide_int,
15056         don't change alloc_object_size_limit if the limit is larger
15057         than SSIZE_MAX.
15059         PR tree-optimization/81655
15060         PR tree-optimization/81588
15061         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
15062         the case when ranges[i].low and high are 1 for unsigned type with
15063         precision 1.
15065         PR middle-end/81052
15066         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
15067         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
15069 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15071         * tree-vrp.h: Add include guard.
15073 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
15075         PR target/81644
15076         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
15077         (ud2): New insn pattern.
15078         * config/i386/i386.c (ix86_expand_epilogue):
15079         For naked functions, generate ud2 instead of trap insn.
15081 2017-08-02  Marek Polacek  <polacek@redhat.com>
15083         PR other/81667
15084         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
15086 2017-08-02  Tom de Vries  <tom@codesourcery.com>
15087             Cesar Philippidis  <cesar@codesourcery.com>
15089         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
15090         Add missing edge probabilities.
15092 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
15094         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
15095         Correct endianness.
15097 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
15099         PR middle-end/79499
15100         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
15101         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
15102         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
15103         prologue_seq sequences - if any.
15105 2017-08-02  Richard Biener  <rguenther@suse.de>
15107         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
15108         via vectors if supported, integer extracts via punning if supported
15109         or otherwise vector extracts.
15111 2017-08-02  Richard Biener  <rguenther@suse.de>
15113         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
15114         into ...
15115         (bitmap_insert_into_set): ... this.
15117 2017-08-02  Richard Biener  <rguenther@suse.de>
15119         PR tree-optimization/81633
15120         Revert
15121         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
15123         PR tree-optimization/71752
15124         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
15126 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
15128         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
15129         (machine_function::call_ms2sysv_pad_out): Remove field.
15130         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
15131         (ix86_compute_frame_layout): Likewise.
15133 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
15135         PR target/81654
15136         * config/i386/i386.c (ix86_set_func_type): Disallow naked
15137         attribute with interrupt attribute.
15139 2017-08-01  Andrew Pinski  <apinski@cavium.com>
15141         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
15142         BIT_INSERT_EXPR's operand 1
15143         to see if the types precision matches.
15145 2017-08-01  Martin Liska  <mliska@suse.cz>
15147         PR middle-end/70140
15148         * builtins.c (expand_builtin_memcpy_args): Remove.
15149         (expand_builtin_memcpy): Call newly added function
15150         expand_builtin_memory_copy_args.
15151         (expand_builtin_memcpy_with_bounds): Likewise.
15152         (expand_builtin_mempcpy): Remove last argument.
15153         (expand_builtin_mempcpy_with_bounds): Likewise.
15154         (expand_builtin_memory_copy_args): New function created from
15155         expand_builtin_mempcpy_args with small modifications.
15156         (expand_builtin_mempcpy_args): Remove.
15157         (expand_builtin_stpcpy): Remove unused argument.
15158         (expand_builtin): Likewise.
15159         (expand_builtin_with_bounds): Likewise.
15161 2017-08-01  Martin Liska  <mliska@suse.cz>
15163         Revert r250771
15164         Make mempcpy more optimal (PR middle-end/70140).
15166 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
15168         PR target/81622
15169         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
15170         __builtin_vec_cmpne verify both arguments are compatible vectors
15171         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
15172         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
15173         move computation of aligned to after checking the argument types.
15174         Formatting fixes.
15176         PR target/80846
15177         * config/rs6000/vsx.md (vextract_fp_from_shorth,
15178         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
15179         calls.
15181 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
15182             Doug Rupp  <rupp@adacore.com>
15183             Olivier Hainque  <hainque@adacore.com>
15185         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
15186         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
15187         arm8 (arch v4).
15188         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
15189         for TARGET_OS_CPP_BUILTIN.
15190         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
15191         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
15192         arm_arch7.
15193         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
15194         passing required abi options to the assembler for EABI configurations.
15195         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
15196         of .text.hot and .text.unlikely sections for kernel modules when
15197         using ARM style exceptions.
15198         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
15199         options. Add EXTRA_CC1_SPEC.
15200         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
15201         toolchain options.
15202         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
15203         transition.
15204         (ARM_TARGET2_DWARF_FORMAT): Define.
15205         * config/arm/t-vxworks: Adjust multilib control to removal of the
15206         Diab command line options.
15208 2017-08-01  Martin Liska  <mliska@suse.cz>
15210         PR gcov-profile/81561
15211         * gcov.c (unblock): Make unblocking safe as we need to preserve
15212         index correspondence of blocks and block_lists.
15214 2017-08-01  Richard Biener  <rguenther@suse.de>
15216         PR tree-optimization/81181
15217         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
15218         (compute_antic): ... end of iteration here.
15220 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
15222         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
15223         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
15224         (ftree-slp-vectorize): Likewise.
15225         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
15226         can no longer be set independent of flag_tree_loop_vectorize.
15227         * omp-general.c (emp_max_vf): Likewise.
15228         * opts.c (enable_fdo_optimizations): Remove references to
15229         flag_tree_vectorize, these are now implicit.
15230         (common_handle_option): Remove handling for OPT_ftree_vectorize,
15231         and leave it for the options machinery.
15233 2017-08-01  Martin Liska  <mliska@suse.cz>
15235         PR middle-end/70140
15236         * builtins.c (expand_builtin_memcpy_args): Remove.
15237         (expand_builtin_memcpy): Call newly added function
15238         expand_builtin_memory_copy_args.
15239         (expand_builtin_memcpy_with_bounds): Likewise.
15240         (expand_builtin_mempcpy): Remove last argument.
15241         (expand_builtin_mempcpy_with_bounds): Likewise.
15242         (expand_builtin_memory_copy_args): New function created from
15243         expand_builtin_mempcpy_args with small modifications.
15244         (expand_builtin_mempcpy_args): Remove.
15245         (expand_builtin_stpcpy): Remove unused argument.
15246         (expand_builtin): Likewise.
15247         (expand_builtin_with_bounds): Likewise.
15249 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
15251         PR target/81641
15252         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
15253         print "ds:" only for immediates in generic address space.
15255 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
15257         PR target/81639
15258         * config/i386/i386.c (ix86_funciton_naked): New prototype.
15259         (ix86_function_ok_for_sibcall): Return false for naked functions.
15261 2017-08-01  Richard Biener  <rguenther@suse.de>
15263         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
15264         (compute_antic): Seed worklist with exit block predecessors.
15265         * cfganal.c (dfs_find_deadend): For a cycle return the source
15266         of the edge closing it.
15268 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
15270         * config/aarch64/aarch64.c
15271         (aarch64_can_const_movi_rtx_p): Move 0 check.
15273 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
15275         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
15276         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
15277         above macro.
15278         * match.pd: Ditto in address comparison pattern.
15280 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
15282         PR tree-optimization/81627
15283         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
15284         closed ssa form for store-store chain.
15286 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
15288         PR tree-optimization/81620
15289         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
15290         for store-store chain.
15292 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
15294         PR tree-optimization/81588
15295         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
15296         ranges[i].in_p, invert comparison code ccode.  For >/>=,
15297         swap rhs1 and rhs2 and comparison code unconditionally,
15298         for </<= don't do that.  Don't swap rhs1/rhs2 again if
15299         ranges[i].in_p, instead invert comparison code ccode if
15300         opcode or oe->rank is BIT_IOR_EXPR.
15302         PR target/80846
15303         * optabs.def (vec_extract_optab, vec_init_optab): Change from
15304         a direct optab to conversion optab.
15305         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
15306         with GET_MODE_INNER as last argument instead of optab_handler.
15307         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
15308         vector extraction if possible and optab is available.
15309         * expr.c (store_constructor): Use convert_optab_handler instead
15310         of optab_handler.  Use vector initialization from smaller
15311         vectors if possible and optab is available.
15312         * tree-vect-stmts.c (vectorizable_load): Likewise.
15313         * doc/md.texi (vec_extract, vec_init): Document that the optabs
15314         now have two modes.
15315         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
15316         of vec_init from half-sized vectors with the same element mode.
15317         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
15318         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
15319         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
15320         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
15321         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
15322         after mode in gen_vec_extract* calls.
15323         (vec_extract<mode>): Renamed to ...
15324         (vec_extract<mode><ssescalarmodelower>): ... this.
15325         (vec_extract<mode><ssehalfvecmodelower>): New expander.
15326         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
15327         element mode after mode in gen_vec_init* calls.
15328         (VEC_INIT_HALF_MODE): New mode iterator.
15329         (vec_init<mode>): Renamed to ...
15330         (vec_init<mode><ssescalarmodelower>): ... this.
15331         (vec_init<mode><ssehalfvecmodelower>): New expander.
15332         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
15333         (vec_extractv2sfsf): ... this.
15334         (vec_initv2sf): Renamed to ...
15335         (vec_initv2sfsf): ... this.
15336         (vec_extractv2si): Renamed to ...
15337         (vec_extractv2sisi): ... this.
15338         (vec_initv2si): Renamed to ...
15339         (vec_initv2sisi): ... this.
15340         (vec_extractv4hi): Renamed to ...
15341         (vec_extractv4hihi): ... this.
15342         (vec_initv4hi): Renamed to ...
15343         (vec_initv4hihi): ... this.
15344         (vec_extractv8qi): Renamed to ...
15345         (vec_extractv8qiqi): ... this.
15346         (vec_initv8qi): Renamed to ...
15347         (vec_initv8qiqi): ... this.
15348         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
15349         (vec_init<mode>): Renamed to ...
15350         (vec_init<mode><VEC_base_l>): ... this.
15351         (vec_extract<mode>): Renamed to ...
15352         (vec_extract<mode><VEC_base_l>): ... this.
15353         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
15354         (vec_initv2sfsf): ... this.
15355         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
15356         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
15357         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
15358         element mode after mode in gen_vec_init* calls.
15359         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
15360         (vec_init<mode><Vel>): ... this.
15361         (vec_extract<mode>): Renamed to ...
15362         (vec_extract<mode><Vel>): ... this.
15363         * config/aarch64/iterators.md (Vel): New mode attribute.
15364         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
15365         Add element mode after mode in gen_vec_extract* calls.
15366         * config/s390/vector.md (non_vec_l): New mode attribute.
15367         (vec_extract<mode>): Renamed to ...
15368         (vec_extract<mode><non_vec_l>): ... this.
15369         (vec_init<mode>): Renamed to ...
15370         (vec_init<mode><non_vec_l>): ... this.
15371         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
15372         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
15373         vec_extract mode.
15374         * config/arm/iterators.md (V_elem_l): New mode attribute.
15375         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
15376         (vec_extract<mode><V_elem_l>): ... this.
15377         (vec_extractv2di): Renamed to ...
15378         (vec_extractv2didi): ... this.
15379         (vec_init<mode>): Renamed to ...
15380         (vec_init<mode><V_elem_l>): ... this.
15381         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
15382         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
15383         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
15384         Add element mode after gen_vec_extract* calls.
15385         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
15386         (vec_init<mode><unitmode>): ... this.
15387         (vec_extract<mode>): Renamed to ...
15388         (vec_extract<mode><unitmode>): ... this.
15389         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
15390         (vec_init<mode><unitmode>): ... this.
15391         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
15392         (vec_initv2sfsf): ... this.
15393         (vec_extractv2sf): Renamed to ...
15394         (vec_extractv2sfsf): ... this.
15395         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
15396         Add element mode after gen_vec_extract* calls.
15397         * config/mips/mips.md (unitmode): New mode iterator.
15398         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
15399         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
15400         * config/spu/spu.md (inner_l): New mode attribute.
15401         (vec_init<mode>): Renamed to ...
15402         (vec_init<mode><inner_l>): ... this.
15403         (vec_extract<mode>): Renamed to ...
15404         (vec_extract<mode><inner_l>): ... this.
15405         * config/sparc/sparc.md (veltmode): New mode iterator.
15406         (vec_init<VMALL:mode>): Renamed to ...
15407         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
15408         * config/ia64/vect.md (vec_initv2si): Renamed to ...
15409         (vec_initv2sisi): ... this.
15410         (vec_initv2sf): Renamed to ...
15411         (vec_initv2sfsf): ... this.
15412         (vec_extractv2sf): Renamed to ...
15413         (vec_extractv2sfsf): ... this.
15414         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
15415         (vec_init<mode>): Renamed to ...
15416         (vec_init<mode><VEC_base_l>): ... this.
15417         (vec_extract<mode>): Renamed to ...
15418         (vec_extract<mode><VEC_base_l>): ... this.
15419         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
15420         (vec_initv2sfsf): ... this.
15421         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
15422         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
15423         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
15424         gen_vec_init* calls.
15426 2017-08-01  Richard Biener  <rguenther@suse.de>
15428         PR tree-optimization/81297
15429         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
15430         TREE_OVERFLOW from INTEGER_CSTs.
15432 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
15434         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
15436 2017-07-31  Carl Love  <cel@us.ibm.com>
15438         * config/rs6000/rs6000-c: Add support for built-in functions
15439         vector signed char vec_xl_be (signed long long, signed char *);
15440         vector unsigned char vec_xl_be (signed long long, unsigned char *);
15441         vector signed int vec_xl_be (signed long long, signed int *);
15442         vector unsigned int vec_xl_be (signed long long, unsigned int *);
15443         vector signed long long vec_xl_be (signed long long, signed long long *);
15444         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
15445         vector signed short vec_xl_be (signed long long, signed short *);
15446         vector unsigned short vec_xl_be (signed long long, unsigned short *);
15447         vector double vec_xl_be (signed long long, double *);
15448         vector float vec_xl_be (signed long long, float *);
15449         * config/rs6000/altivec.h (vec_xl_be): Add #define.
15450         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
15451         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
15452         for the builtins.
15453         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
15454         (altivec_expand_builtin): Add switch statement to call
15455         altivec_expand_xl_be for each builtin.
15456         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
15457         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
15458         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
15459         __builtin_vsx_le_be_v16qi.
15460         * doc/extend.texi: Update the built-in documentation file for the
15461         new built-in functions.
15463 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
15465         PR target/25967
15466         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
15467         New function.
15468         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
15470 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15472         * config.gcc: Add z14.
15473         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
15474         CPU model numbers for z13s and z14.
15475         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
15476         arch12 with z14.
15477         * config/s390/s390-opts.h (enum processor_type): Rename
15478         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
15479         * config/s390/s390.c (processor_table): Add field for CPU name to
15480         be passed to Binutils.
15481         (s390_asm_output_machine_for_arch): Use the new field in
15482         processor_table for Binutils.
15483         (s390_expand_builtin): Replace arch12 with z14.
15484         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
15485         (s390_get_sched_attrmask): Likewise.
15486         (s390_get_unit_mask): Likewise.
15487         * config/s390/s390.opt: Add z14 to processor_type enum.
15489 2017-07-31  Martin Jambor  <mjambor@suse.cz>
15491         PR hsa/81477
15492         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
15493         regardless of optimization level.
15495 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
15496             Martin Liska  <mliska@suse.cz>
15498         * predict.def: Remove old comment and adjust probability.
15499         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
15500         PREDICT statements.
15502 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
15504         PR target/25967
15505         * config/i386/i386.c (ix86_function_naked): New function.
15506         (ix86_can_use_return_insn_p): Return false for naked functions.
15507         (ix86_expand_prologue): Skip prologue for naked functions.
15508         (ix86_expand_epilogue): Skip epilogue for naked functions
15509         and emit trap instruction.
15510         (ix86_warn_func_return): New function.
15511         (ix86_attribute_table): Add "naked" attribute specification.
15512         (TARGET_WARN_FUNC_RETURN): Define.
15513         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
15515 2017-07-31  Martin Liska  <mliska@suse.cz>
15517         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
15518         (dump_gimple_bb_header): Always dump BB info.
15519         (pp_cfg_jump): Do not append info about BB when dumping a jump.
15521 2017-07-31  Martin Liska  <mliska@suse.cz>
15523         PR sanitize/81530
15524         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
15525         also with current_function_decl non-null equality.
15527 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
15529         PR sanitizer/81604
15530         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
15531         change type to the element type, instead add eltype variable and
15532         use it where we are interested in the element type.
15534         PR tree-optimization/81603
15535         * ipa-polymorphic-call.c
15536         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
15537         offset arithmetic in offset_int, bail out if the resulting bit offset
15538         doesn't fit into shwi.
15540 2017-07-31  Martin Liska  <mliska@suse.cz>
15542         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
15543         (gimplify_save_expr): Fix comment.
15545 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
15547         PR target/79793
15548         * config/i386/i386.c (ix86_function_arg): Update arguments for
15549         exception handler.
15550         (ix86_compute_frame_layout): Set the initial stack offset to
15551         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
15552         INCOMING_FRAME_SP_OFFSET.
15553         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
15554         stack before exception handler returns.
15555         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
15556         the 'ERROR_CODE' for exception handler.
15558 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
15560         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
15561         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
15562         (ASM_OUTPUT_REG_POP): Ditto.
15563         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
15564         instead of asm_fprintf to output pure string.
15566 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
15568         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
15569         to imported_module_or_decl hook.
15570         (debug_nothing_tree_tree_tree_bool): Remove.
15571         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
15572         * debug.c (do_nothing_debug_hooks): Use
15573         debug_nothing_tree_tree_tree_bool_bool instead of
15574         debug_nothing_tree_tree_tree_bool.
15575         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
15576         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
15577         * sdbout.c (sdb_debug_hooks): Likewise.
15578         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
15579         (gen_namespace_die): Add DW_AT_export_symbols attribute if
15580         langhook wants it.
15581         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
15582         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
15583         attribute, don't add anything.
15585 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15587         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
15588         (fold_build2_stat_loc): Likewise.
15589         (fold_build3_stat_loc): Likewise.
15590         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
15591         (fold_build1_loc): Remove macro.
15592         (fold_build2_loc): Likewise.
15593         (fold_build3_loc): Likewise.
15595 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15597         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
15598         (gimple_build_debug_bind_source_stat): Likewise.
15599         * gimple.h (gimple_build_debug_bind): Remove macro.
15600         (gimple_build_debug_bind_source): Likewise.
15602 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15604         * bitmap.c (bitmap_alloc): Adjust.
15605         (bitmap_gc_alloc): Likewise.
15606         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
15608 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15610         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
15611         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
15612         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
15613         (bitmap_gc_alloc_stat): Likewise.
15614         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
15616 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15618         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
15619         * rtl.h (shallow_copy_rtx): Remove macro.
15621 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15623         * emit-rtl.c (gen_raw_REG): Adjust.
15624         * gengenrtl.c (gendef): Likewise.
15625         * rtl.c (rtx_alloc_stat): Remove _stat from name.
15626         * rtl.h (rtx_alloc): Remove macro.
15628 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15630         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
15631         (build_tree_list_stat): Likewise.
15632         * tree.h (build_tree_list): Remove macro.
15633         (build_tree_list_vec): Likewise.
15635 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15637         * tree.c (make_vector_stat): Remove _stat from name.
15638         (build_vector_stat): Likewise.
15639         * tree.h (make_vector_stat): Remove macro.
15640         (build_vector_stat): Likewise.
15642 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15644         * tree.h (build_var_debug_value): Remove prototype.
15646 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15648         * tree.c (tree_cons_stat): Remove _stat from name.
15649         * tree.h (tree_cons): Remove macro.
15651 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15653         * tree.c (build_vl_exp_stat): Remove _stat from name.
15654         * tree.h (build_vl_exp): Remove macro.
15656 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15658         * tree.c (build_decl_stat): Remove _stat from name.
15659         * tree.h (build_decl): Remove macro.
15661 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15663         * gimple.c (gimple_build_with_ops_stat): Adjust.
15664         (gimple_alloc_stat): Remove _stat from name.
15665         * gimple.h (gimple_alloc): Remove macro.
15667 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15669         * tree.c (make_tree_vec_stat): Remove _stat from name.
15670         (grow_tree_vec_stat): Likewise.
15671         * tree.h (make_tree_vec_stat): Adjust prototype.
15672         (grow_tree_vec_stat): Likewise.
15673         (make_tree_vec): Remove macro.
15674         (grow_tree_vec): Likewise.
15676 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15678         * fold-const.c (fold_build1_stat_loc): Adjust.
15679         (fold_build2_stat_loc): Likewise.
15680         (fold_build3_stat_loc): Likewise.
15681         * tree.c (build0_stat): Remove _stat from name.
15682         (build1_stat): Likewise.
15683         (build2_stat): Likewise.
15684         (build3_stat): Likewise.
15685         (build4_stat): Likewise.
15686         (build5_stat): Likewise.
15687         * tree.h (build1_loc): Remove macro, and rename _stat function
15688         to this.
15689         (build2_loc): Likewise.
15690         (build3_loc): Likewise.
15691         (build4_loc): Likewise.
15692         (build5_loc): Likewise.
15694 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15696         * tree.c (make_int_cst_stat): Remove _stat from name.
15697         * tree.h (make_int_cst_stat): Adjust prototype.
15698         (make_int_cst): Remove macro.
15700 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15702         * tree.c (make_tre_binfo_stat): Remove _stat from name.
15703         * tree.h (make_tree_binfo_stat): Adjust prototype.
15704         (make_tree_binfo): Remove.
15706 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15708         * tree.c (copy_node_stat): Rename to copy_node.
15709         (build_distinct_type_copy): Adjust.
15710         * tree.h (copy_node_stat): Adjust prototype.
15711         (copy_node): Remove macro.
15713 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15715         * tree.c (make_node_stat): rename to make_node.
15716         (build_tree_list_stat): Adjust.
15717         (build0_stat): Likewise.
15718         (build2_stat): Likewise.
15719         (build3_stat): Likewise.
15720         (build4_stat): Likewise.
15721         (build5_stat): Likewise.
15722         (build_decl_stat): Likewise.
15723         * tree.h (make_node_stat): Adjust prototype.
15724         (make_node): remove macro.
15726 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
15728         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
15729         (PPC_FEATURE2_SCV): Likewise.
15730         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
15732 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
15734         * config/aarch64/aarch64.c
15735         (aarch64_internal_mov_immediate): Add new special pattern.
15736         * config/aarch64/aarch64.md (*movdi_aarch64):
15737         Add reg/32bit const mov case.
15739 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
15740             Richard Sandiford <richard.sandiford@linaro.org>
15742         * config/aarch64/aarch64.md (mov<mode>): Generalize.
15743         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
15744         Add integer and movi cases.
15745         (movi-split-hf-df-sf split, fp16): New.
15746         (enabled): Added TARGET_FP_F16INST.
15747         * config/aarch64/iterators.md (GPF_HF): New.
15748         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
15750 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
15752         * config/aarch64/aarch64.c
15753         (aarch64_simd_container_mode): Add prototype.
15754         (aarch64_expand_mov_immediate): Add HI support.
15755         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
15756         (aarch64_can_const_movi_rtx_p): New.
15757         (aarch64_preferred_reload_class):
15758         Remove restrictions of using FP registers for certain SIMD operations.
15759         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
15760         (aarch64_valid_floating_const): Add integer move validation.
15761         (aarch64_simd_imm_scalar_p): Remove.
15762         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
15763         (aarch64_legitimate_constant_p): Expand list of supported cases.
15764         * config/aarch64/aarch64-protos.h
15765         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
15766         (aarch64_reinterpret_float_as_int): New.
15767         (aarch64_simd_imm_scalar_p): Remove.
15768         * config/aarch64/constraints.md (Uvi): New.
15769         (Dd): Split into Ds and new Dd.
15770         * config/aarch64/aarch64.md (*movsi_aarch64):
15771         Add SIMD mov case.
15772         (*movdi_aarch64): Add SIMD mov case.
15774 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15776         * tree-predcom.c: (struct chain): Handle store-store chain in which
15777         stores for elimination only store loop invariant values.
15778         (execute_pred_commoning_chain): Ditto.
15779         (prepare_initializers_chain_store_elim): Ditto.
15780         (prepare_finalizers): Ditto.
15781         (is_inv_store_elimination_chain): New function.
15782         (initialize_root_vars_store_elim_1): New function.
15784 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15786         * tree-predcom.c: Revise general description of the pass.
15787         (enum chain_type): New enum type for store elimination.
15788         (struct chain): New field supporting store elimination.
15789         (struct component): Ditto.
15790         (dump_chain): Dump store-stores chain.
15791         (release_chain): Release resources.
15792         (split_data_refs_to_components): Compute and create component
15793         contains only stores for elimination.
15794         (get_chain_last_ref_at): New function.
15795         (make_invariant_chain): Initialization.
15796         (make_rooted_chain): Specify chain type in parameter and record it.
15797         (add_looparound_copies): Skip for store-stores chain.
15798         (determine_roots_comp): Compute type of chain and pass it to
15799         make_rooted_chain.
15800         (initialize_root_vars_store_elim_2): New function.
15801         (finalize_eliminated_stores): New function.
15802         (remove_stmt): Handle store for elimination.
15803         (execute_pred_commoning_chain): Execute predictive commoning on
15804         store-store chains.
15805         (determine_unroll_factor): Skip unroll for store-stores chain.
15806         (prepare_initializers_chain_store_elim): New function.
15807         (prepare_initializers_chain): Hanlde store-store chain.
15808         (prepare_finalizers_chain, prepare_finalizers): New function.
15809         (tree_predictive_commoning_loop): Return integer value indicating
15810         if loop is unrolled or lcssa form is corrupted.
15811         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
15813 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15815         * tree-predcom.c (initialize_root): Delete.
15816         (execute_pred_commoning_chain): Initialize root vars and replace
15817         reference of non-combined chain directly, rather than call above
15818         function.
15820 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15822         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
15823         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
15825 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15827         * tree-predcom.c (struct chain): New field init_seq.
15828         (release_chain): Release init_seq.
15829         (prepare_initializers_chain): Record intialization stmts in above
15830         field.
15831         (insert_init_seqs): New function.
15832         (tree_predictive_commoning_loop): Call insert_init_seqs.
15834 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
15836         * tree-predcom.c (determine_roots_comp): Skip trivial components.
15838 2017-07-28  Richard Biener  <rguenther@suse.de>
15840         * match.pd: Remove superfluous :c.
15841         * genmatch.c (simplify::id): Add member.
15842         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
15843         Copy id.
15844         (current_id): New global.
15845         (dt_node::parent): Move from ...
15846         (dt_operand::parent): ... here.  Add for_id member.
15847         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
15848         (decision_tree::find_node): Relax order requirement when
15849         merging DT_TRUE nodes to ones inbetween the current simplify
15850         and the one we try to merge with.  Add diagnostic whenever
15851         we need to enforce pattern order by not merging.
15852         (decision_tree::insert): Set current_id.
15853         (decision_tree::print_node): Dump parent node and for_id.
15854         (parser::last_id): Add member.
15855         (parser::push_simplify): Assign unique id.
15856         (parser::parser): Initialize last_id.
15858 2017-07-28  Martin Liska  <mliska@suse.cz>
15860         PR sanitizer/81340
15861         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
15862         gimple_build_debug_bind.
15864 2017-07-28  Richard Biener  <rguenther@suse.de>
15866         PR tree-optimization/81502
15867         * match.pd: Add pattern combining BIT_INSERT_EXPR with
15868         BIT_FIELD_REF.
15869         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
15870         size/pos operands.
15871         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
15872         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
15873         for BIT_FIELD_REF args.
15874         * fold-const.c (make_bit_field_ref): Likewise.
15875         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
15877 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
15879         PR sanitizer/80998
15880         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
15881         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
15882         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
15883         Or it into SANITIZER_UNDEFINED.
15884         * ubsan.c: Include gimple-fold.h and varasm.h.
15885         (ubsan_expand_ptr_ifn): New function.
15886         (instrument_pointer_overflow): New function.
15887         (maybe_instrument_pointer_overflow): New function.
15888         (instrument_object_size): Formatting fix.
15889         (pass_ubsan::execute): Call instrument_pointer_overflow
15890         and maybe_instrument_pointer_overflow.
15891         * internal-fn.c (expand_UBSAN_PTR): New function.
15892         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
15893         * sanitizer.def (__ubsan_handle_pointer_overflow,
15894         __ubsan_handle_pointer_overflow_abort): New builtins.
15895         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
15896         * internal-fn.def (UBSAN_PTR): New internal function.
15897         * opts.c (sanitizer_opts): Add pointer-overflow.
15898         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
15899         * fold-const.c (build_range_check): Compute pointer range check in
15900         integral type if pointer arithmetics would be needed.  Formatting
15901         fixes.
15903 2017-07-28  Martin Liska  <mliska@suse.cz>
15905         PR sanitizer/81460
15906         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
15907         parameters that are of a variable-length.
15909 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15911         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
15912         rs6000/biarch64.h.
15913         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
15914         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
15915         (CRT_CALL_STATIC_FUNCTION): Likewise.
15916         (ASM_DEFAULT_SPEC): New define.
15917         (ASM_SPEC32): Likewise.
15918         (ASM_SPEC64): Likewise.
15919         (ASM_SPEC_COMMON): Likewise.
15920         (ASM_SPEC): Likewise.
15921         (INVALID_64BIT): Likewise.
15922         (LINK_OS_DEFAULT_SPEC): Likewise.
15923         (LINK_OS_SPEC32): Likewise.
15924         (LINK_OS_SPEC64): Likewise.
15925         (POWERPC_LINUX): Likewise.
15926         (PTRDIFF_TYPE): Likewise.
15927         (RESTORE_FP_PREFIX): Likewise.
15928         (RESTORE_FP_SUFFIX): Likewise.
15929         (SAVE_FP_PREFIX): Likewise.
15930         (SAVE_FP_SUFFIX): Likewise.
15931         (SIZE_TYPE): Likewise.
15932         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
15933         (TARGET_64BIT): Likewise.
15934         (TARGET_64BIT): Likewise.
15935         (TARGET_AIX): Likewise.
15936         (WCHAR_TYPE_SIZE): Likewise.
15937         (WCHAR_TYPE): Undefine.
15938         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
15939         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
15940         (CPP_OS_RTEMS_SPEC): Delete.
15941         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
15942         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
15943         link_os_spec64.
15944         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
15946 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
15948         PR tree-optimization/81578
15949         * tree-parloops.c (build_new_reduction): Bail out if
15950         reduction_code isn't one of the standard OpenMP reductions.
15951         Move the details printing after that decision.
15953 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
15955         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
15956         related to reload_in_progress.
15957         (splat_input_operand): Likewise.
15958         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
15959         Delete prototype.
15960         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
15961         field.
15962         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
15963         (TARGET_INSTANTIATE_DECLS): Likewise.
15964         (legitimate_indexed_address_p): Delete reload_in_progress code.
15965         (rs6000_debug_legitimate_address_p): Likewise.
15966         (rs6000_eliminate_indexed_memrefs): Likewise.
15967         (rs6000_emit_le_vsx_store): Likewise.
15968         (rs6000_emit_move_si_sf_subreg): Likewise.
15969         (rs6000_emit_move): Likewise.
15970         (register_to_reg_type): Likewise.
15971         (rs6000_pre_atomic_barrier): Likewise.
15972         (rs6000_machopic_legitimize_pic_address): Likewise.
15973         (rs6000_allocate_stack_temp): Likewise.
15974         (rs6000_address_for_fpconvert): Likewise.
15975         (rs6000_address_for_altivec): Likewise.
15976         (rs6000_secondary_memory_needed_rtx): Delete function.
15977         (rs6000_check_sdmode): Likewise.
15978         (rs6000_alloc_sdmode_stack_slot): Likewise.
15979         (rs6000_instantiate_decls): Likewise.
15980         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
15981         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
15982         Delete reload_in_progress.
15983         (*vec_reload_and_plus_<mptrsize>): Likewise.
15984         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
15985         (vsx_div_v2di): Likewise.
15986         (vsx_udiv_v2di): Likewise.
15988 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
15990         * config/rs6000/rs6000.opt (mlra): Replace with stub.
15991         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
15992         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
15993         (rs6000_debug_reg_global): Delete print of LRA status.
15994         (rs6000_option_override_internal): Delete dead LRA related code.
15995         (rs6000_lra_p): Delete function.
15996         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
15998 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
16000         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
16001         * config/riscv/rtems.h: New file.
16003 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16004             Sudakshina Das  <sudi.das@arm.com>
16006         * config/aarch64/aarch64.md
16007         (define_split for and<mode>3nr_compare): Move
16008         non aarch64_logical_operand to a register.
16009         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
16010         register immediate operand to a register.
16011         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
16013 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
16015         PR middle-end/81564
16016         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
16018 2017-07-27  Richard Biener  <rguenther@suse.de>
16020         PR tree-optimization/81573
16021         PR tree-optimization/81494
16022         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
16023         multi defuse cycle case.
16025 2017-07-27  Richard Biener  <rguenther@suse.de>
16027         PR tree-optimization/81571
16028         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
16029         PHIs.
16031 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
16033         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
16034         earlier and only if MASK_FPU is set.  Adjust formatting.
16036 2017-07-27  Martin Liska  <mliska@suse.cz>
16038         * opt-functions.awk: Add validation of value of Init.
16039         * optc-gen.awk: Pass new argument.
16041 2017-07-27  Martin Liska  <mliska@suse.cz>
16043         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
16044         Fix wrong condition.
16046 2017-07-27  Martin Liska  <mliska@suse.cz>
16048         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
16049         BBs and edges seen by autoFDO.
16051 2017-07-27  Richard Biener  <rguenther@suse.de>
16053         PR tree-optimization/81502
16054         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
16055         with incompatible but same sized type.
16056         (execute_update_addresses_taken): Likewise.
16058 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
16060         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
16061         flag_tree_loop_vectorize rather than flag_tree_vectorize.
16063 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16065         PR target/81534
16066         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
16067         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
16068         Change s_operand to memory_operand.
16070 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
16072         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
16073         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
16074         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
16075         Emit instructions rather than returning an expression.  Handle TFmode
16076         and KFmode by casting to TImode.
16077         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
16078         (rs6000_emit_le_vsx_store): Likewise.
16079         * config/rs6000/vsx.md (VSX_TI): New iterator.
16080         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
16081         (*vsx_le_undo_permute_<mode>): Likewise.
16082         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
16083         emit the split sequence.
16084         (*vsx_le_perm_store_<mode>): Likewise.
16086 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
16088         PR tree-optimization/81555
16089         PR tree-optimization/81556
16090         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
16091         if true, force CHANGED for the recursive invocation.
16092         (reassociate_bb): Remember original length of ops array, pass
16093         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
16095         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
16096         attributes for noipa attribute.  For naked attribute use
16097         lookup_attribute first before lookup_attribute_spec.
16098         * final.c (rest_of_handle_final): Disable IPA RA for functions with
16099         noipa attribute.
16100         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
16101         for functions with noipa attribute.
16102         (cgraph_externally_visible_p): Return true for functions with noipa
16103         attribute.
16104         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
16105         for functions with noipa attribute.
16106         * doc/extend.texi: Document noipa function attribute.
16107         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
16108         also for functions with noipa attribute.
16109         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
16111 2017-07-26  Andrew Pinski  <apinski@cavium.com>
16113         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
16114         vec_unalign_load_cost and vec_unalign_store_cost.
16116 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
16118         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
16119         -mvsx-small-integer option.
16120         (ISA_3_0_MASKS_IEEE): Likewise.
16121         (OTHER_VSX_VECTOR_MASKS): Likewise.
16122         (POWERPC_MASKS): Likewise.
16123         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
16124         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
16125         code, only testing for DImode being allowed in non-VSX floating
16126         point registers.
16127         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
16128         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
16129         another VSX test.
16130         (rs6000_option_override_internal): Delete -mvsx-small-integer.
16131         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
16132         TARGET_P8_VECTOR test.
16133         (rs6000_secondary_reload_simple_move): Likewise.
16134         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
16135         since TARGET_P9_VECTOR was already tested.
16136         (rs6000_opt_masks): Remove -mvsx-small-integer.
16137         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
16138         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
16139         used.
16140         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
16141         test for TARGET_VEXTRACTUB was used, and that uses
16142         TARGET_P9_VECTOR.
16143         (p9 extract splitter): Likewise.
16144         (vsx_extract_<mode>_di_p9): Likewise.
16145         (vsx_extract_<mode>_store_p9): Likewise.
16146         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
16147         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
16148         the elimination of TARGET_VSX_SMALL_INTEGER.
16149         (vsx_extract_<mode>_p8): Likewise.
16150         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
16151         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
16152         (vsx_set_<mode>_p9): Likewise.
16153         (vsx_set_v4sf_p9): Likewise.
16154         (vsx_set_v4sf_p9_zero): Likewise.
16155         (vsx_insert_extract_v4sf_p9): Likewise.
16156         (vsx_insert_extract_v4sf_p9_2): Likewise.
16157         * config/rs6000/rs6000.md (sign extend splitter): Change
16158         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
16159         (floatsi<mode>2_lfiwax_mem): Likewise.
16160         (floatunssi<mode>2_lfiwzx_mem): Likewise.
16161         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
16162         since a test for TARGET_P9_VECTOR was used.
16163         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
16164         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
16165         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
16166         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
16167         TARGET_P8_VECTOR test.
16168         (fix_trunc<mode>si2_stfiwx): Likewise.
16169         (fix_trunc<mode>si2_internal): Likewise.
16170         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
16171         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
16172         used.
16173         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
16174         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
16175         TARGET_P8_VECTOR test.
16176         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16177         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
16178         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
16179         used.
16180         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
16181         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
16182         since a test for TARGET_P9_VECTOR was used.
16183         (splitter for loading small constants): Likewise.
16185 2017-07-26  Andrew Pinski  <apinski@cavium.com>
16187         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
16188         vec_fp_stmt_cost.
16190 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
16192         PR target/81563
16193         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
16194         (fp_valid_at): Likewise.
16196 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
16198         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
16199         (qdf24xx_addrcost_table): Likewise.
16200         (cortexa57_tunings): Update to use generic_branch_cost.
16201         (cortexa72_tunings): Likewise.
16202         (cortexa73_tunings): Likewise.
16203         (qdf24xx_tunings): Likewise.
16205 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
16207         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
16208         (thunderx2t99_branch_cost): Likewise.
16209         (cortexa35_tunings): Update to use generic_branch_cost.
16210         (cortexa53_tunings): Likewise.
16211         (cortexa57_tunings): Likewise.
16212         (cortexa72_tunings): Likewise.
16213         (cortexa73_tunings): Likewise.
16214         (thunderx2t99_tunings): Likewise.
16216 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
16218         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
16219         (sparc_option_override): Honour MASK_FSMULD.
16220         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
16221         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
16222         * config/sparc/sparc.opt (mfsmuld): New option.
16223         * doc/invoke.texi (mfsmuld): Document option.
16225 2017-07-26  Marek Polacek  <polacek@redhat.com>
16227         PR middle-end/70992
16228         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
16230 2017-07-26  Richard Biener  <rguenther@suse.de>
16232         * gimple-match-head.c (do_valueize): Return OP if valueize
16233         returns NULL_TREE.
16234         (get_def): New helper to get at the def stmt of a SSA name
16235         if valueize allows.
16236         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
16237         do_valueize to get at the def stmt.
16238         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
16240 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
16242         PR middle-end/46932
16243         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
16245 2017-07-26  Martin Liska  <mliska@suse.cz>
16247         PR sanitize/81186
16248         * function.c (expand_function_start): Make expansion of
16249         nonlocal_goto_save_area after parm_birth_insn.
16251 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
16253         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
16254         from all CPU target flags enable members.
16256 2017-07-26  Richard Biener  <rguenther@suse.de>
16258         * genmatch.c (dt_simplify::gen): Make iterator vars const.
16259         (decision_tree::gen): Make 'type' const.
16260         (write_predicate): Likewise.
16262 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
16264         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
16265         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
16266         (rs6000_option_override_internal): Likewise.
16267         (rs6000_expand_vector_set): Likewise.
16268         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
16269         (TARGET_UPPER_REGS_SF): Likewise.
16270         (TARGET_UPPER_REGS_DI): Likewise.
16271         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
16272         (TARGET_DIRECT_MOVE_64BIT): Likewise.
16273         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
16274         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
16275         (Splitters for DI constants in Altivec registers): Likewise.
16276         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
16277         (vsx_set_v4sf_p9): Likewise.
16278         (vsx_set_v4sf_p9_zero): Likewise.
16279         (vsx_insert_extract_v4sf_p9): Likewise.
16280         (vsx_insert_extract_v4sf_p9_2): Likewise.
16282 2017-07-25  Carl Love  <cel@us.ibm.com>
16284         * doc/extend.texi: Update the built-in documentation file for the
16285         existing built-in functions
16286         vector signed char vec_cnttz (vector signed char);
16287         vector unsigned char vec_cnttz (vector unsigned char);
16288         vector signed short vec_cnttz (vector signed short);
16289         vector unsigned short vec_cnttz (vector unsigned short);
16290         vector signed int vec_cnttz (vector signed int);
16291         vector unsigned int vec_cnttz (vector unsigned int);
16292         vector signed long long vec_cnttz (vector signed long long);
16293         vector unsigned long long vec_cnttz (vector unsigned long long);
16295 2017-07-25  Andrew Pinski  <apinski@cavium.com>
16297         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
16298         accesses where the use is for the first operand of a BIT_INSERT.
16300 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
16302         PR bootstrap/81521
16303         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
16304         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
16306 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
16308         * config/i386/gstabs.h: Delete.
16309         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
16311 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
16313         * config/i386/i386.c (ix86_decompose_address): Do not check for
16314         register RTX when looking at index_reg or base_reg.
16315         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
16317 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
16319         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
16320         to update EH info here.
16322 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
16324         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
16326 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
16328         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
16330 2017-07-25  Torsten Duwe  <duwe@suse.de>
16332         * common.opt: Introduce -fpatchable-function-entry
16333         command line option, and its variables function_entry_patch_area_size
16334         and function_entry_patch_area_start.
16335         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
16336         including a two-value parser.
16337         * target.def (print_patchable_function_entry): New target hook.
16338         * targhooks.h (default_print_patchable_function_entry): New function.
16339         * targhooks.c (default_print_patchable_function_entry): Likewise.
16340         * toplev.c (process_options): Switch off IPA-RA if
16341         patchable function entries are being generated.
16342         * varasm.c (assemble_start_function): Look at the
16343         patchable-function-entry command line switch and current
16344         function attributes and maybe generate NOP instructions by
16345         calling the print_patchable_function_entry hook.
16346         * doc/extend.texi: Document patchable_function_entry attribute.
16347         * doc/invoke.texi: Document -fpatchable_function_entry
16348         command line option.
16349         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
16350         New target hook.
16351         * doc/tm.texi: Re-generate.
16353 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
16355         PR target/81532
16356         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
16357         TARGET_AVX512DQ rather than TARGET_AVX512BW.
16359 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
16361         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
16363 2017-07-25  Richard Biener  <rguenther@suse.de>
16365         PR tree-optimization/81455
16366         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
16367         not walk in cycles when looking for guards.
16369 2017-07-25  Richard Biener  <rguenther@suse.de>
16371         PR tree-optimization/81529
16372         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
16373         when optimizing backedge uses.
16375 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
16377         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
16378         character for AIX.
16379         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
16380         to dl_section_ref.  On AIX, append an expression to subtract
16381         the size of the section length to dl_section_ref.
16383 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
16385         * configure.ac: If any of the config.* scripts fail, exit 1.
16386         * configure: Regenerate.
16388 2017-07-25  Richard Biener  <rguenther@suse.de>
16390         PR middle-end/81546
16391         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
16392         of immediate uses, be more verbose on errors.
16394 2017-07-25  Richard Biener  <rguenther@suse.de>
16396         PR tree-optimization/81510
16397         * tree-vect-loop.c (vect_is_simple_reduction): When the
16398         reduction stmt is not inside the loop bail out.
16400 2017-07-25  Richard Biener  <rguenther@suse.de>
16402         PR tree-optimization/81303
16403         * tree-vect-loop-manip.c (vect_loop_versioning): Build
16404         profitability check against LOOP_VINFO_NITERSM1.
16406 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
16408         * domwalk.c (cmp_bb_postorder): Simplify.
16409         (sort_bbs_postorder): New function.  Use it...
16410         (dom_walker::walk): ...here to optimize common cases.
16412 2017-07-25  Martin Liska  <mliska@suse.cz>
16414         PR ipa/81520
16415         * ipa-visibility.c (function_and_variable_visibility): Make the
16416         redirection just on target that supports aliasing.
16417         Fix GNU coding style.
16419 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
16421         PR libgcc/61152
16422         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
16423         Format changes.
16424         * config/arm/rtems.h: Likewise.
16425         * config/bfin/rtems.h: Likewise.
16426         * config/i386/rtemself.h: Likewise.
16427         * config/lm32/rtems.h: Likewise.
16428         * config/m32c/rtems.h: Likewise.
16429         * config/m68k/rtemself.h: Likewise.
16430         * config/microblaze/rtems.h: Likewise.
16431         * config/mips/rtems.h: Likewise.
16432         * config/moxie/rtems.h: Likewise.
16433         * config/nios2/rtems.h: Likewise.
16434         * config/powerpcspe/rtems.h: Likewise.
16435         * config/rs6000/rtems.h: Likewise.
16436         * config/rtems.h: Likewise.
16437         * config/sh/rtems.h: Likewise.
16438         * config/sh/rtemself.h: Likewise.
16439         * config/sparc/rtemself.h: Likewise.
16441 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
16443         PR 81487
16444         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
16445         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
16446         * tree-ssa-structalias.c (alias_get_name): Same.
16448 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
16450         PR target/81414
16451         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
16452         instructions if no du chain is found.
16454 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
16456         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
16458 2017-07-25  Richard Biener  <rguenther@suse.de>
16460         PR middle-end/81505
16461         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
16462         sticky.
16464 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
16466         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
16467         upper-regs options.
16468         (ISA_2_7_MASKS_SERVER): Likewise.
16469         (ISA_3_0_MASKS_IEEE): Likewise.
16470         (OTHER_P8_VECTOR_MASKS): Likewise.
16471         (OTHER_VSX_VECTOR_MASKS): Likewise.
16472         (POWERPC_MASKS): Likewise.
16473         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
16474         duplicate list of options.
16475         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
16476         explicit -mupper-regs options.
16477         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
16478         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
16479         alias for -mupper-regs-df.
16480         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
16481         (rs6000_init_hard_regno_mode_ok): Likewise.
16482         (rs6000_option_override_internal): Likewise.
16483         (rs6000_opt_masks): Likewise.
16484         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
16485         options in terms of whether -mvsx or -mpower8-vector was used.
16486         (TARGET_UPPER_REGS_DI): Likewise.
16487         (TARGET_UPPER_REGS_SF): Likewise.
16488         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
16489         -mupper-regs-* options.
16491 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
16493         * passes.c (emergency_dump_function): Print some empty lines and a
16494         header before the RTL dump.
16496 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
16498         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
16500 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
16502         PR target/79041
16503         * config/aarch64/aarch64.c (aarch64_classify_symbol):
16504         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
16506 2017-07-24  Carl Love  <cel@us.ibm.com>
16508         * config/rs6000/rs6000-c.c: Add support for built-in functions
16509         vector float vec_extract_fp32_from_shorth (vector unsigned short);
16510         vector float vec_extract_fp32_from_shortl (vector unsigned short);
16511         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
16512         vec_extract_fp_from_shortl): Add defines for the two builtins.
16513         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
16514         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
16515         new builtins.
16516         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
16517         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
16518         * doc/extend.texi: Update the built-in documentation file for the
16519         new built-in function.
16521 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
16523         PR bootstrap/81521
16524         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
16525         documentation.
16526         * doc/generic.texi: Likewise.
16527         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
16528         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
16530 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
16532         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
16533         (aarch64_mls_elt_merge<mode>): Likewise.
16535 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
16537         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
16538         having __cxa_atexit.
16540 2017-07-23  Michael Collison  <michael.collison@arm.com>
16542         * config/arm/arm.c (arm_option_override): Deprecate
16543         use of -mstructure-size-boundary.
16544         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
16545         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
16547 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16549         PR target/80695
16550         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
16551         Reduce cost estimate for direct moves.
16553 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
16555         PR target/80569
16556         * config/i386/i386.c (ix86_option_override_internal): Disable
16557         BMI, BMI2 and TBM instructions for -m16.
16559 2017-07-21  Carl Love  <cel@us.ibm.com>
16561         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16562         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
16563         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
16564         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
16565         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
16566         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
16567         VMULOSW): New enum "unspec" values.
16568         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
16569         altivec_vmulosw): New patterns.
16570         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
16571         VMULOSW): Add definitions.
16573 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
16575         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
16576         (qdf24xx): Likewise.
16577         * config/aarch64/aarch64-options-extensions.def (rdma); New.
16578         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
16579         (AARCH64_FL_V8_1): Renumber.
16580         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
16581         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
16582         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
16583         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
16584         rdma to feature modifiers list.
16586 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
16588         PR middle-end/56727
16589         * ipa-visibility (function_and_variable_visibility): Convert
16590         recursive PLT call to direct call if appropriate.
16592 2017-07-21  Andrew Pinski  <apinski@cavium.com>
16594         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
16595         operand 1 to see if the types precision matches.
16596         * fold-const.c (operand_equal_p): Likewise.
16598 2017-07-21  Richard Biener  <rguenther@suse.de>
16600         PR tree-optimization/81303
16601         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
16602         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
16603         (vect_peeling_hash_get_lowest_cost): Adjust.
16604         (vect_enhance_data_refs_alignment): Likewise.  Use
16605         vect_get_peeling_costs_all_drs to compute the penalty for no
16606         peeling to match up costs.
16608 2017-07-21  Richard Biener  <rguenther@suse.de>
16610         PR tree-optimization/81500
16611         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
16612         we didn't identify a reduction path.
16614 2017-07-21  Tom de Vries  <tom@codesourcery.com>
16615             Cesar Philippidis  <cesar@codesourcery.com>
16617         PR gcov-profile/81442
16618         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
16619         probabilities.
16621 2017-07-21  Tom de Vries  <tom@codesourcery.com>
16623         PR lto/81430
16624         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
16625         function.
16626         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
16627         nvptx_override_options_after_change.
16629 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
16631         * dwarf2out.c (output_file_names): Avoid double testing for
16632         dwarf_version >= 5.
16634 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
16636         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
16638 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
16640         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
16641         hot/cold regions.
16642         (try_crossjump_to_edge): Do not punt on partitioned functions.
16644 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
16646         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
16647         Put all BBs reachable only via paths crossing cold region to cold
16648         region.
16649         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
16651 2016-07-21  Richard Biener  <rguenther@suse.de>
16653         PR tree-optimization/81303
16654         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
16655         into account prologue and epilogue iterations when raising
16656         min_profitable_iters to sth at least covering one vector iteration.
16658 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
16660         * config/arm/arm.c (arm_test_cpu_arch_dat):
16661         Check for overlap.
16663 2017-07-20  Nathan Sidwell  <nathan@acm.org>
16665         Remove TYPE_METHODS.
16666         * tree.h (TYPE_METHODS): Delete.
16667         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
16668         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
16669         (dbxout_type_methods): Scan TYPE_FIELDS.
16670         (dbxout_type): Don't check TYPE_METHODS here.
16671         * function.c (use_register_for_decl): Always ignore register for
16672         class types when not optimizing.
16673         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
16674         * tree.c (free_lang_data_in_type): Stitch out member functions and
16675         templates from TYPE_FIELDS.
16676         (build_distinct_type_copy, verify_type_variant,
16677         verify_type): Member fns are on TYPE_FIELDS.
16678         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
16679         * tree-pretty-print.c (dump_generic_node): Likewise.
16681 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
16683         PR target/80846
16684         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
16685         V2TImode and V4TImode.
16686         (ix86_expand_vector_extract): Likewise.
16687         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
16688         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
16689         (ssescalarmode): Handle V4TImode and V2TImode.
16690         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
16691         (*vec_extractv2ti, *vec_extractv4ti): New insns.
16692         (VEXTRACTI128_MODE): New mode iterator.
16693         (splitter for *vec_extractv?ti first element): New.
16694         (VEC_INIT_MODE): New mode iterator.
16695         (vec_init<mode>): Consolidate 3 expanders into one using
16696         VEC_INIT_MODE mode iterator.
16698 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
16700         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
16701         non_spilled_static_chain_regno_p.
16703 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
16705         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
16707 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
16709         * bb-reorder.c (connect_traces): Allow copying of blocks within
16710         single partition.
16712 2017-07-20  Richard Biener  <rguenther@suse.de>
16714         * gimple.h (gimple_phi_result): Add gphi * overload.
16715         (gimple_phi_result_ptr): Likewise.
16716         (gimple_phi_arg): Likewise.  Adjust index assert to only
16717         allow actual argument accesses rather than all slots available
16718         by capacity.
16719         (gimple_phi_arg_def): Add gphi * overload.
16720         * tree-phinodes.c (make_phi_node): Initialize only actual
16721         arguments.
16722         (resize_phi_node): Clear memory not covered by old node,
16723         do not initialize excess argument slots.
16724         (reserve_phi_args_for_new_edge): Initialize new argument slot
16725         completely.
16727 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
16729         PR tree-optimization/81388
16730         Revert r238585:
16731         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
16733         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
16734         by removing computation of may_be_zero.
16736 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
16737             Tom de Vries  <tom@codesourcery.com>
16739         PR middle-end/81030
16740         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
16741         when gimple level profile disagrees with what RTL expander did.
16743 2017-07-20  Richard Biener  <rguenther@suse.de>
16745         PR tree-optimization/61171
16746         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
16747         (vect_analyze_stmt): Add slp instance parameter.
16748         (vectorizable_reduction): Likewise.
16749         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
16750         (vect_is_simple_reduction): Deal with chains not detected
16751         as SLP reduction chain, specifically not properly associated
16752         chains containing a mix of plus/minus.
16753         (get_reduction_op): Remove.
16754         (get_initial_defs_for_reduction): Simplify, pass in whether
16755         this is a reduction chain, pass in the SLP node for the PHIs.
16756         (vect_create_epilog_for_reduction): Get the SLP instance as
16757         arg and adjust.
16758         (vectorizable_reduction): Get the SLP instance as arg.
16759         During analysis remember the SLP node with the PHIs in the
16760         instance.  Simplify getting at the vectorized reduction PHIs.
16761         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
16762         through SLP instance.
16763         (vect_slp_analyze_operations): Likewise.
16764         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
16765         (vect_transform_stmt): Likewise.
16767 2017-07-20  Tom de Vries  <tom@codesourcery.com>
16769         PR tree-optimization/81489
16770         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
16771         read of phi arg location to before loop that modifies phi.
16773 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
16775         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
16776         New pattern.
16778 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
16780         PR middle-end/81331
16781         * except.c (execute): Fix ordering issue.
16783 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
16785         PR rtl-optimization/81423
16786         * combine.c (make_compound_operation_int): Don't try to optimize
16787         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
16789 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
16791         PR rtl-optimization/81423
16792         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
16793         with a constant that is -1 in the truncated to mode.
16795 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
16797         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
16798         (determine_unlikely_bbs): ... here.
16799         * predict.h (propagate_unlikely_bbs_forward): Declare.
16800         * cfgexpand.c (pass_expand::execute): Use it.
16801         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
16802         unlikely edges.
16803         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
16804         propagate_unlikely_bbs_forward.
16806 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
16808         PR middle-end/81331
16809         * except.c (maybe_add_nop_after_section_switch): New function.
16810         (execute): Use it.
16812 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16814         * gimple.h (gimple_phi_set_arg): Make assert more strict.
16816 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16818         * gimple.h (gimple_phi_arg): Make assert more strict.
16820 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
16822         * config.gcc (powerpc*-*-*): Add mmintrin.h.
16823         * config/rs6000/mmintrin.h: New file.
16824         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
16826 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
16828         PR tree-optimization/81346
16829         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
16831 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16833         * config/nvptx/nvptx.md (VECIM): Add V2DI.
16835 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16837         * config/nvptx/nvptx-modes.def: Add V2DImode.
16838         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
16839         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
16840         (nvptx_output_mov_insn): Handle lack of mov.b128.
16841         (nvptx_print_operand): Handle 'H' and 'L' codes.
16842         (nvptx_vector_mode_supported): Allow V2DImode.
16843         (nvptx_preferred_simd_mode): New function.
16844         (nvptx_data_alignment): New function.
16845         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
16846         nvptx_preferred_simd_mode.
16847         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
16848         64 to 128 bits.
16849         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
16851 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16853         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
16854         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
16855         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
16856         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
16857         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
16858         (mov<VECIM>_insn): New define_insn.
16859         (define_expand "mov<VECIM>): New define_expand.
16861 2017-07-19  Tom de Vries  <tom@codesourcery.com>
16863         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
16865 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
16867         PR tree-optimization/81346
16868         * fold-const.h (fold_div_compare, range_check_type): Declare.
16869         * fold-const.c (range_check_type): New function.
16870         (build_range_check): Use range_check_type.
16871         (fold_div_compare): No longer static, rewritten into
16872         a match.pd helper function.
16873         (fold_comparison): Don't call fold_div_compare here.
16874         * match.pd (X / C1 op C2): New optimization using fold_div_compare
16875         as helper function.
16877 2017-07-19  Nathan Sidwell  <nathan@acm.org>
16879         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
16880         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
16881         * tree.c (find_decls_types_r, verify_type): Use
16882         TYPE_{MIN,MAX}_VALUE_RAW.
16883         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
16884         (hash_tree): Likewise.
16885         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
16886         Likewise.
16887         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
16888         Likewise.
16890 2017-07-18  Tom de Vries  <tom@codesourcery.com>
16892         PR middle-end/81464
16893         * omp-expand.c (expand_omp_for_static_chunk): Handle
16894         equal-argument loop exit phi.
16896 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
16898         PR target/81471
16899         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
16900         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
16901         operand 2 predicate.
16902         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
16903         operand 2 predicate.
16904         (ror,rol -> rorx splitters): Use const_int_operand as
16905         operand 2 predicate.
16907 2017-06-18  Richard Biener  <rguenther@suse.de>
16909         PR tree-optimization/81410
16910         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
16911         the gap in the ! slp_perm SLP case after each group.
16913 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
16915         PR middle-end/81463
16916         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
16917         again.
16919 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
16921         PR middle-end/81462
16922         * predict.c (set_even_probabilities): Cleanup; do not affect
16923         probabilities that are already known.
16924         (combine_predictions_for_bb): Call even when count is set.
16926 2017-07-18  Nathan Sidwell  <nathan@acm.org>
16928         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
16929         TYPE_MAX_VALUE.
16931 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
16933         PR target/81408
16934         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
16935         optimization for loop niter analysis.
16937 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
16939         PR target/81473
16940         * config/avr/avr.c (avr_optimize_casesi): Don't use
16941         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
16943 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
16945         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
16946         body_cost_vec from _vect_peel_extended_info.
16947         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
16948         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
16949         npeel.
16951 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
16953         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
16955 2017-07-18  Richard Biener  <rguenther@suse.de>
16957         PR tree-optimization/80620
16958         PR tree-optimization/81403
16959         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
16960         info when re-using a VN table entry.
16962 2017-07-18  Richard Biener  <rguenther@suse.de>
16964         PR tree-optimization/81418
16965         * tree-vect-loop.c (vectorizable_reduction): Properly compute
16966         vectype_in.  Verify that with lane-reducing reduction operations
16967         we have a single def-use cycle.
16969 2017-07-17  Carl Love  <cel@us.ibm.com>
16971         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
16973         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16974         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
16975         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
16976         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
16977         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
16978         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
16979         VMULOSW): New enum "unspec" values.
16980         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
16981         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
16982         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
16983         altivec_vmulosw): New patterns.
16984         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
16985         VMULOSW): Add definitions.
16986 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
16988         * config/alpha/alpha.c: Include predict.h.
16990 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
16992         * tree-vrp.c (compare_assert_loc): Fix comparison function
16993         to return predictable results.
16995 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
16997         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
16998         option.
16999         (subdi3): Likewise.
17000         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
17001         * doc/invoke.texi (mexpand-adddi): Update text.
17003 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
17005         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
17006         that also clobbers the CC register. The old expand code is moved
17007         to ...
17008         (*arc_clzsi2): ... here.
17009         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
17010         the CC register. The old expand code is moved to ...
17011         (arc_ctzsi2): ... here.
17013 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
17015         * config/arc/arc.opt (mindexed-loads): Use initial value
17016         TARGET_INDEXED_LOADS_DEFAULT.
17017         (mauto-modify-reg): Use initial value
17018         TARGET_AUTO_MODIFY_REG_DEFAULT.
17019         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
17020         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
17021         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
17022         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
17024 2017-07-17  Martin Liska  <mliska@suse.cz>
17026         PR sanitizer/81302
17027         * opts.c (finish_options): Do not allow -fgnu-tm
17028         w/ -fsanitize={kernel-,}address.  Say sorry.
17030 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
17032         PR target/81369
17033         * tree-loop-distribution.c (classify_partition): Only assert on
17034         numer of iterations.
17035         (merge_dep_scc_partitions): Delete prameter.  Update function call.
17036         (distribute_loop): Remove code handling loop with unknown niters.
17037         (pass_loop_distribution::execute): Skip loop with unknown niters.
17039 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
17041         PR target/81369
17042         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
17043         function sort_partitions_by_post_order.
17045 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
17047         PR tree-optimization/81374
17048         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
17049         the max index of basic blocks, rather than number of basic blocks.
17051 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
17053         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
17054         proto.
17055         (arc_legitimate_pic_operand_p): Likewise.
17056         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
17057         function.
17058         (arc_needs_pcl_p): Likewise.
17059         (arc_legitimate_pc_offset_p): Likewise.
17060         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
17061         function is also used in constrains.md.
17062         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
17063         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
17064         PLUS.  Only return true/false in known cases, otherwise assert.
17065         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
17066         is already called in arc_legitimate_constant_p.
17067         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
17068         pic addresses.
17069         (LEGITIMATE_PIC_OPERAND_P): Use
17070         arc_raw_symbolic_reference_mentioned_p function.
17071         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
17072         function.
17073         (Cal): Likewise.
17074         (C32): Likewise.
17076 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
17077         Andrew Burgess  <andrew.burgess@embecosm.com>
17079         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
17080         (arc_return_address_register): New function.
17081         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
17082         (arc_handle_fndecl_attribute): Add naked attribute.
17083         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
17084         (TARGET_WARN_FUNC_RETURN): Likewise.
17085         (arc_allocate_stack_slots_for_args): New function.
17086         (arc_warn_func_return): Likewise.
17087         (machine_function): Change type fn_type.
17088         (arc_compute_function_type): Consider new naked function type,
17089         change function return type.
17090         (arc_must_save_register): Adapt to handle new
17091         arc_compute_function_type's return type.
17092         (arc_expand_prologue): Likewise.
17093         (arc_expand_epilogue): Likewise.
17094         (arc_return_address_regs): Delete.
17095         (arc_return_address_register): New function.
17096         (arc_epilogue_uses): Use above function.
17097         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
17098         (arc_function_type): Change encoding, add naked type.
17099         (ARC_INTERRUPT_P): Change to handle the new encoding.
17100         (ARC_FAST_INTERRUPT_P): Likewise.
17101         (ARC_NORMAL_P): Define.
17102         (ARC_NAKED_P): Likewise.
17103         (arc_compute_function_type): Delete prototype.
17104         * config/arc/arc.md (in_ret_delay_slot): Use
17105         arc_return_address_register function.
17106         (simple_return): Likewise.
17107         (p_return_i): Likewise.
17109 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
17111         PR tree-optimization/81428
17112         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
17113         can't be built for those types.
17115 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
17117         Remove stuff dead since r239246.
17119         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
17120         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
17121         (avr_inform_devices): Remove dead stuff.
17123 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
17125         * config/arm/arm_neon.h: Fix softp typo.
17127 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
17129         PR tree-optimization/81365
17130         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
17131         aggregate moves onto bb predecessor edges, make sure there are no
17132         loads that could alias the lhs in between the start of bb and the
17133         loads from *phi.
17135 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
17137         PR 80929
17138         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
17139         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
17140         [LSHIFTRT, outer_code = TRUNCATE]: Same.
17142 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
17144         PR tree-optimization/81396
17145         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
17146         (init_symbolic_number): Initialize it to 1.
17147         (perform_symbolic_merge): Add n_ops from both operands into the new
17148         n_ops.
17149         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
17150         without base_addr as useless if they need more than one operation.
17151         (bswap_replace): Handle !bswap case for NULL base_addr.
17153 2017-07-17  Tom de Vries  <tom@codesourcery.com>
17155         PR target/81069
17156         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
17157         as possible.
17159 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17161         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
17162         conditional builtin define __FIX_LEON3FT_B2BST.
17164 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
17166         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
17167         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
17168         with -mfix-ut700.
17170 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
17172         PR rtl-optimization/81424
17173         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
17174         to remove potential trapping from operands if -fnon-call-exceptions.
17176 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17178         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
17179         profile_proability for scalling.
17180         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
17182 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17184         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
17186 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17188         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
17189         fixpoint arithmetics.
17191 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17193         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
17194         fixpoint arithmetics.
17196 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17198         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
17199         fixpoint arithmetics.
17201 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
17203         * profile-count.h (profile_probability::from_reg_br_prob_note,
17204         profile_probability::to_reg_br_prob_note): New functions.
17205         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
17206         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
17207         * predict.c (probability_reliable_p): Update.
17208         (edge_probability_reliable_p): Update.
17209         (br_prob_note_reliable_p): Update.
17210         (invert_br_probabilities): Update.
17211         (add_reg_br_prob_note): New function.
17212         (combine_predictions_for_insn): Update.
17213         * asan.c (asan_clear_shadow): Update.
17214         * cfgbuild.c (compute_outgoing_frequencies): Update.
17215         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
17216         (update_br_prob_note): Update.
17217         (rtl_verify_edges): Update.
17218         (purge_dead_edges): Update.
17219         (fixup_reorder_chain): Update.
17220         * emit-rtl.c (try_split): Update.
17221         * ifcvt.c (cond_exec_process_insns): Update.
17222         (cond_exec_process_if_block): Update.
17223         (dead_or_predicable): Update.
17224         * internal-fn.c (expand_addsub_overflow): Update.
17225         (expand_neg_overflow): Update.
17226         (expand_mul_overflow): Update.
17227         * loop-doloop.c (doloop_modify): Update.
17228         * loop-unroll.c (compare_and_jump_seq): Update.
17229         * optabs.c (emit_cmp_and_jump_insn_1): Update.
17230         * predict.h: Update.
17231         * reorg.c (mostly_true_jump): Update.
17232         * rtl.h: Update.
17233         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
17234         * config/alpha/alpha.c (emit_unlikely_jump): Update.
17235         * config/arc/arc.c: (emit_unlikely_jump): Update.
17236         * config/arm/arm.c: (emit_unlikely_jump): Update.
17237         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
17238         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
17239         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
17240         (ix86_print_operand): Update.
17241         (ix86_split_fp_branch): Update.
17242         (predict_jump): Update.
17243         * config/ia64/ia64.c (ia64_print_operand): Update.
17244         * config/mmix/mmix.c (mmix_print_operand): Update.
17245         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
17246         (rs6000_expand_split_stack_prologue): Update.
17247         * config/rs6000/rs6000.c: Update.
17248         * config/s390/s390.c (s390_expand_vec_strlen): Update.
17249         (s390_expand_vec_movstr): Update.
17250         (s390_expand_cs_tdsi): Update.
17251         (s390_expand_split_stack_prologue): Update.
17252         * config/sh/sh.c (sh_print_operand): Update.
17253         (expand_cbranchsi4): Update.
17254         (expand_cbranchdi4): Update.
17255         * config/sparc/sparc.c (output_v9branch): Update.
17256         * config/spu/spu.c (get_branch_target): Update.
17257         (ea_load_store_inline): Update.
17258         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
17259         * config/tilepro/tilepro.c: Update.
17261 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
17263         * gimplify.c (mostly_copy_tree_r): Revert latest change.
17264         (gimplify_save_expr): Likewise.
17266 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
17268         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
17270 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
17272         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
17273         TV_IPA_FNSUMMARY.
17274         * timevar.def (TV_IPA_FNSUMMARY): Define.
17276 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
17278         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
17279         to back store errata sensitive sequence from being generated.
17280         (sqrtdf2_fix): Likewise.
17282 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
17284         * tree-ssa-threadupdate.c (compute_path_counts,
17285         update_joiner_offpath_counts): Use profile_probability.
17287 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17289         Revert:
17290         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17292         * config/arm/arm-c.c (arm_cpu_builtins): Define
17293         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
17295 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17297         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
17298         array entries to represent __ieee128 versions of the
17299         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
17300         scalar_extract_sig, and scalar_insert_exp built-in functions.
17301         (altivec_resolve_overloaded_builtin): Add special case handling
17302         for the __builtin_scalar_insert_exp function, as represented by
17303         the P9V_BUILTIN_VEC_VSIEDP constant.
17304         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
17305         exponent support for __ieee128 argument.
17306         (VSESQP): Add scalar extract signature support for __ieee128
17307         argument.
17308         (VSTDCNQP): Add scalar test negative support for __ieee128
17309         argument.
17310         (VSIEQP): Add scalar insert exponent support for __int128 argument
17311         with __ieee128 result.
17312         (VSIEQPF): Add scalar insert exponent support for __ieee128
17313         argument with __ieee128 result.
17314         (VSTDCQP): Add scalar test data class support for __ieee128
17315         argument.
17316         (VSTDCNQP): Add overload support for scalar test negative with
17317         __ieee128 argument.
17318         (VSTDCQP): Add overload support for scalar test data class
17319         __ieee128 argument.
17320         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
17321         UNSPEC_VSX_SXSIGDP.
17322         (UNSPEC_VSX_SIEXPQP): New constant.
17323         (xsxexpqp): New insn for VSX scalar extract exponent quad
17324         precision.
17325         (xsxsigqp): New insn for VSX scalar extract significand quad
17326         precision.
17327         (xsiexpqpf): New insn for VSX scalar insert exponent quad
17328         precision with floating point argument.
17329         (xststdcqp): New expand for VSX scalar test data class quad
17330         precision.
17331         (xststdcnegqp): New expand for VSX scalar test negative quad
17332         precision.
17333         (xststdcqp): New insn to match expansions for VSX scalar test data
17334         class quad precision and VSX scalar test negative quad precision.
17335         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
17336         special case operand checking to enforce that second operand of
17337         VSX scalar test data class with quad precision argument is a 7-bit
17338         unsigned literal.
17339         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
17340         prototypes and descriptions of __ieee128 versions of
17341         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
17342         scalar_test_data_class, and scalar_test_neg built-in functions.
17344 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17346         PR tree-optimization/81162
17347         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
17348         replace a negate with an add.
17350 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
17352         * doc/invoke.texi (arm/-mcpu): Document +crypto.
17354 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17356         * config/arm/arm-c.c (arm_cpu_builtins): Define
17357         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
17359 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17361         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
17362         (armv8-r): Set ARM Cortex-R52 as default CPU.
17363         * config/arm/arm-tables.opt: Regenerate.
17364         * config/arm/arm-tune.md: Regenerate.
17365         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
17366         Cortex-R52.
17367         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
17368         extension for -mcpu=cortex-r52.
17370 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17372         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
17373         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
17374         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
17375         (fp-armv8): Define it as FP_ARMv8 only.
17376         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
17377         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
17378         TARGET_FPU_ARMV8.
17379         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
17380         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
17381         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
17382         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
17383         than TARGET_FPU_ARMV8.
17384         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
17385         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
17386         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
17387         TARGET_FPU_ARMV8.
17388         * config/arm/neon.md (neon_vrint): Likewise.
17389         (neon_vcvt): Likewise.
17390         (neon_<fmaxmin_op><mode>): Likewise.
17391         (<fmaxmin><mode>3): Likewise.
17392         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
17393         * config/arm/predicates.md (arm_cond_move_operator): Check against
17394         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
17396 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
17398         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
17399         to top of function.
17401 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17403         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
17404         loop in comment with memset.
17406 2017-07-14  Martin Liska  <mliska@suse.cz>
17408         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
17409         * dwarf2out.c (is_java): Remove the function.
17410         (output_pubname): Remove usage of the function.
17411         (lower_bound_default): Remove usage of DW_LANG_Java.
17412         (gen_compile_unit_die): Likewise.
17413         * gcc.c: Remove compiler defaults for .java and .zip files.
17414         * gimple-expr.c (remove_suffix): Change as there's no longer
17415         extension than 4-letter one.
17416         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
17417         (gimplify_save_expr): Likewise.
17418         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
17419         as it's possible even for other languages than Java.
17420         * langhooks.h (struct lang_hooks): Remove Java from a comment.
17421         * lto-opts.c (lto_write_options): Remove reference to Java.
17422         * opts.c (strip_off_ending): Update file extension handling.
17423         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
17424         * tree-eh.c (lower_resx): Likewise.
17425         * tree.c (free_lang_data_in_type): Remove dead code.
17426         (find_decls_types_r): Likewise.
17427         (build_common_builtin_nodes): Remove Java from a comment.
17428         (verify_type): Remove dead code.
17429         * varasm.c (assemble_external): Remove Java from a comment.
17431 2017-07-14  Martin Liska  <mliska@suse.cz>
17433         * opts.c (finish_options): Add quotes.
17434         (common_handle_option): Likewise.
17436 2017-07-14  Martin Liska  <mliska@suse.cz>
17438         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
17439         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
17440         Remove N_SO_PASCAL.
17441         * dwarf2out.c (lower_bound_default): Do not handle
17442         DW_LANG_Pascal83.
17443         (gen_compile_unit_die): Likewise.
17444         * gcc.c: Remove default extension binding for GNU Pascal.
17445         * stmt.c: Remove Pascal language from a comment.
17446         * xcoffout.c: Likewise.
17448 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
17450         PR c/81405
17451         * diagnostic-show-locus.c (fixit_cmp): New function.
17452         (layout::layout): Sort m_fixit_hints.
17453         (column_range::column_range): Assert that the values are valid.
17454         (struct char_span): New struct.
17455         (correction::overwrite): New method.
17456         (struct source_line): New struct.
17457         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
17458         calls in terms of classes source_line and char_span, and
17459         correction::overwrite.
17460         (selftest::test_overlapped_fixit_printing_2): New function.
17461         (selftest::diagnostic_show_locus_c_tests): Call it.
17463 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
17465         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
17466         early if there is no lhs.
17468 2017-07-13  Martin Liska  <mliska@suse.cz>
17470         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
17471         (gen_reference_type_die): Likewise.
17472         * stor-layout.c: Remove Pascal-related comment.
17474 2017-07-13  Martin Liska  <mliska@suse.cz>
17476         * opts.c (finish_options): Add quotes to error messages.
17477         (parse_sanitizer_options): Likewise.
17479 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17481         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
17483 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
17485         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
17487 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
17489         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
17490         during expansion.
17491         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
17493 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
17495         PR target/81193
17496         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
17497         provides the hardware capability bits, define the macro
17498         __BUILTIN_CPU_SUPPORTS__.
17499         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
17500         if GLIBC does not provide the hardware capability bits.  Add a
17501         gcc_unreachable call if the built-in cpu function is neither
17502         __builtin_cpu_is nor __builtin_cpu_supports.
17503         (rs6000_get_function_versions_dispatcher): Change the warning
17504         that an old GLIBC is used which does not export the capability
17505         bits to be an error.
17506         * doc/extend.texi (target_clones attribute): Document the
17507         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
17508         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
17509         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
17510         the macros defined by GCC if the newer GLIBC is available.
17512 2017-07-12  Jeff Law  <law@redhat.com>
17514         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
17515         remaining includes slightly.
17516         * config/riscv/riscv-builtins.c: Include profile-count.h.
17518 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
17520         PR target/79883
17521         * config/avr/avr.c (avr_set_current_function): In diagnostic
17522         messages: Quote keywords and (parts of) identifiers.
17523         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
17524         "INTERUPT".
17526 2017-07-12  Carl Love  <cel@us.ibm.com>
17528         * config/rs6000/rs6000-c.c: Add support for built-in functions
17529         vector bool char vec_revb (vector bool char);
17530         vector bool short vec_revb (vector short char);
17531         vector bool int vec_revb (vector bool int);
17532         vector bool long long vec_revb (vector bool long long);
17533         * doc/extend.texi: Update the built-in documentation file for the
17534         new built-in functions.
17536 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17538         * config/s390/s390.md: Remove movcc splitter.
17540 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17542         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
17543         load/store on condition.
17545 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
17547         PR target/81407
17548         * config/avr/avr.c (avr_encode_section_info)
17549         [progmem && !TREE_READONLY]: Error if progmem object needs
17550         constructing.
17552 2017-07-11  Michael Collison  <michael.collison@arm.com>
17554         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
17555         New pattern.
17557 2017-07-11  Carl Love  <cel@us.ibm.com>
17559         * config/rs6000/rs6000-c.c: Add support for builtins
17560         vector unsigned int vec_parity_lsbb (vector signed int);
17561         vector unsigned int vec_parity_lsbb (vector unsigned int);
17562         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
17563         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
17564         vector unsigned long long vec_parity_lsbb (vector signed long long);
17565         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
17566         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
17567         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
17568         * doc/extend.texi: Update the built-in documentation file for the
17569         new built-in functions.
17571 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
17573         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
17574         (layout::m_primary_loc): New field.
17575         (layout::layout): Initialize new field.  Move location filtering
17576         logic from here to...
17577         (layout::maybe_add_location_range): ...this new method.  Add
17578         support for filtering to just the lines already specified by other
17579         locations.
17580         (layout::will_show_line_p): New method.
17581         (gcc_rich_location::add_location_if_nearby): New method.
17582         (selftest::test_add_location_if_nearby): New test function.
17583         (selftest::diagnostic_show_locus_c_tests): Call it.
17584         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
17585         New method.
17587 2017-07-11  Tom de Vries  <tom@codesourcery.com>
17589         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
17590         (bb_first_real_insn): New function.
17591         (nvptx_single): Add extra initialization of broadcasted condition
17592         variables.
17594 2017-07-11  Nathan Sidwell  <nathan@acm.org>
17596         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
17598 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
17600         * doc/extend.texi (AVR Function Attributes): Remove weblink to
17601         Binutils doc as TEXI will mess them up.
17602         * doc/invoke.texi (AVR Options): Same here.
17604 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
17606         * config/sparc/sparc.opt (mfix-ut700): New option.
17607         (mfix-gr712rc): Likewise.
17608         (sparc_fix_b2bst): New variable.
17609         * doc/invoke.texi (SPARC options): Document them.
17610         (ARM options): Fix warnings.
17611         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
17612         instructions to prevent sequences that can trigger the store-store
17613         errata for certain LEON3FT processors.
17614         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
17615         (sparc_option_override): Set sparc_fix_b2bst appropriately.
17616         * config/sparc/sparc.md (fix_b2bst): New attribute.
17617         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
17619 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
17621         PR target/81375
17622         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
17623         (rcpps): Ditto.
17624         (*rsqrtsf2_sse): Ditto.
17625         (rsqrtsf2): Ditto.
17626         (div<mode>3): Macroize insn from divdf3 and divsf3
17627         using MODEF mode iterator.
17629 2017-07-10  Martin Sebor  <msebor@redhat.com>
17631         PR tree-optimization/80397
17632         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
17633         instead of testing for equality to INTEGER_TYPE.
17635 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
17637         * config.gcc: Remove uclibc from arc target spec.
17639 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
17641         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
17643 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
17645         PR lto/80838
17646         * lto-wrapper.c (remove_option): New function.
17647         (merge_and_complain): Merge PIC/PIE options more realistically.
17649 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
17651         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
17653         PR target/20296
17654         PR target/81268
17655         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
17656         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
17657         * config.in: Regenerate.
17658         * configure: Regenerate.
17659         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
17660         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
17661         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
17662         (TARGET_GASISR_PROLOGUES): ...target mask.
17663         * common/config/avr/avr-common.c
17664         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
17665         Set -mgas-isr-prologues.
17666         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
17667         INSERT_PASS_BEFORE for it.
17668         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
17669         * config/avr/avr.c (avr_option_override)
17670         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
17671         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
17672         (avr_attribute_table) <no_gccisr>: Add new function attribute.
17673         (avr_set_current_function) <is_no_gccisr>: Init machine field.
17674         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
17675         and rtl_opt_pass.
17676         (make_avr_pass_pre_proep): New function.
17677         (emit_push_sfr) <treg>: Add argument to function and use it
17678         instead of TMP_REG.
17679         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
17680         and set machine->gasisr.yes.
17681         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
17682         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
17683         __gcc_isr.n_pushed to .L__stack_usage.
17684         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
17685         (avr_asm_final_postscan_insn): ...this new static function.
17686         * config/avr/avr.h (machine_function)
17687         <is_no_gccisr, use_L__stack_usage>: New fields.
17688         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
17689         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
17690         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
17691         (gasisr, *gasisr): New expander and insn.
17692         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
17693         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
17694         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
17696 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
17698         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
17699         in quoted strings.
17701 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
17703         Move jump-tables out of .text again.
17705         PR target/81075
17706         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
17707         (ASM_OUTPUT_ADDR_VEC): New function.
17708         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
17709         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
17710         INSN_ADDRESSes as asm comment.
17711         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
17712         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
17713         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
17714         * config/avr/avr.md (*tablejump): Adjust comment.
17715         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
17716         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
17717         New detail.
17718         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
17719         (avr_output_addr_vec): New proto.
17720         (avr_log_t) <insn_addresses>: New field.
17722 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
17724         PR target/81313
17725         * config/i386/i386.c (ix86_function_arg_advance): Set
17726         outgoing_args_on_stack to true if there are outgoing arguments
17727         on stack.
17728         (ix86_function_arg): Likewise.
17729         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
17730         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
17731         * config/i386/i386.h (machine_function): Add
17732         outgoing_args_on_stack.
17734 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
17736         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
17737         supporting pthreds.
17738         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
17740 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
17742         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
17743         (REAL_H): Remove $(MACHMODE_H).
17744         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
17745         double-int.h.
17746         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
17747         $(MACHMODE_H) and double-int.h.
17748         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
17749         $(MACHMODE_H).
17750         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
17751         double-int.h.
17753 2017-07-07  Andrew Pinski  <apinski@cavium.com>
17755         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
17756         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
17758 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
17760         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
17761         Add warning if GCC was not configured to link against a GLIBC that
17762         exports the hardware capability bits.
17763         (make_resolver_func): Make resolver function private and not a
17764         COMDAT function.  Create the name with clone_function_name instead
17765         of make_unique_name.
17767         PR target/81348
17768         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
17769         correct operand in doing the split.
17771 2017-07-07 Carl Love  <cel@us.ibm.com>
17773         * config/rs6000/rs6000-c: Add support for built-in function
17774         vector unsigned short vec_pack_to_short_fp32 (vector float,
17775                                                       vector float).
17776         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
17777         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
17778         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
17779         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
17780         (convert_4f32_8i16): Add define_expand.
17781         * doc/extend.texi: Update the built-in documentation file for the
17782         new built-in function.
17784 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17786         * config/sparc/m8.md: New file.
17787         * config/sparc/sparc.md: Include m8.md.
17789 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17791         * config/sparc/sparc.opt: New option -mvis4b.
17792         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
17793         (sparc_option_override): Handle VIS4B.
17794         (enum sparc_builtins): Define
17795         SPARC_BUILTIN_DICTUNPACK{8,16,32},
17796         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
17797         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
17798         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
17799         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
17800         (check_constant_argument): New function.
17801         (sparc_vis_init_builtins): Define builtins
17802         __builtin_vis_dictunpack{8,16,32},
17803         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
17804         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
17805         __builtin_vis_fpcmpde{8,16,32}shl and
17806         __builtin_vis_fpcmpur{8,16,32}shl.
17807         (sparc_expand_builtin): Check that the constant operands to
17808         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
17809         constant and in range.
17810         * config/sparc/sparc-c.c (sparc_target_macros): Handle
17811         TARGET_VIS4B.
17812         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
17813         (SPARC_IMM5_P): Likewise.
17814         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
17815         (enabled): Handle vis4b.
17816         (UNSPEC_DICTUNPACK): New unspec.
17817         (UNSPEC_FPCMPSHL): Likewise.
17818         (UNSPEC_FPUCMPSHL): Likewise.
17819         (UNSPEC_FPCMPDESHL): Likewise.
17820         (UNSPEC_FPCMPURSHL): Likewise.
17821         (cpu_feature): New CPU feature `vis4b'.
17822         (dictunpack{8,16,32}): New insns.
17823         (FPCSMODE): New mode iterator.
17824         (fpcscond): New code iterator.
17825         (fpcsucond): Likewise.
17826         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
17827         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
17828         (fpcmpde{8,16,32}{si,di}shl): Likewise.
17829         (fpcmpur{8,16,32}{si,di}shl): Likewise.
17830         * config/sparc/constraints.md: Define constraints `q' for unsigned
17831         2-bit integer constants and `t' for unsigned 5-bit integer
17832         constants.
17833         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
17834         predicate.
17835         (imm5_operand_dictunpack16): Likewise.
17836         (imm5_operand_dictunpack32): Likewise.
17837         (imm2_operand): Likewise.
17838         * doc/invoke.texi (SPARC Options): Document -mvis4b.
17839         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
17840         ditunpack* and fpcmp*shl builtins.
17842 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17844         * config.gcc: Handle m8 in --with-{cpu,tune} options.
17845         * config.in: Add HAVE_AS_SPARC6 define.
17846         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
17847         M8.
17848         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
17849         TARGET_CPU_m8.
17850         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
17851         (CPP_CPU_SPEC): Handle m8.
17852         (ASM_CPU_SPEC): Likewise.
17853         * config/sparc/sparc-opts.h (enum processor_type): Add
17854         PROCESSOR_M8.
17855         * config/sparc/sparc.c (m8_costs): New struct.
17856         (sparc_option_override): Handle TARGET_CPU_m8.
17857         (sparc32_initialize_trampoline): Likewise.
17858         (sparc64_initialize_trampoline): Likewise.
17859         (sparc_issue_rate): Likewise.
17860         (sparc_register_move_cost): Likewise.
17861         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
17862         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
17863         (ASM_CPU64_DEFAULT_SPEC): Likewise.
17864         (CPP_CPU_SPEC): Handle M8.
17865         (ASM_CPU_SPEC): Likewise.
17866         (AS_M8_FLAG): Define.
17867         * config/sparc/sparc.md: Add m8 to the cpu attribute.
17868         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
17869         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
17870         M8 instructions.
17871         * configure: Regenerate.
17872         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
17873         -mtune=m8.
17875 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17877         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
17878         subtypes.
17879         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
17880         ("*movdi_insn_sp32"): Do not set v3pipe.
17881         ("*movsi_insn"): Likewise.
17882         ("*movdi_insn_sp64"): Likewise.
17883         ("*movsf_insn"): Likewise.
17884         ("*movdf_insn_sp32"): Likewise.
17885         ("*movdf_insn_sp64"): Likewise.
17886         ("*zero_extendsidi2_insn_sp64"): Likewise.
17887         ("*sign_extendsidi2_insn"): Likewise.
17888         ("*mov<VM32:mode>_insn"): Likewise.
17889         ("*mov<VM64:mode>_insn_sp64"): Likewise.
17890         ("*mov<VM64:mode>_insn_sp32"): Likewise.
17891         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
17892         ("<vlop:code><VL:mode>3"): Likewise.
17893         ("*not_<vlop:code><VL:mode>3"): Likewise.
17894         ("*nand<VL:mode>_vis"): Likewise.
17895         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
17896         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
17897         ("one_cmpl<VL:mode>2"): Likewise.
17898         ("faligndata<VM64:mode>_vis"): Likewise.
17899         ("alignaddrsi_vis"): Likewise.
17900         ("alignaddrdi_vis"): Likweise.
17901         ("alignaddrlsi_vis"): Likewise.
17902         ("alignaddrldi_vis"): Likewise.
17903         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
17904         ("bmaskdi_vis"): Likewise.
17905         ("bmasksi_vis"): Likewise.
17906         ("bshuffle<VM64:mode>_vis"): Likewise.
17907         ("cmask8<P:mode>_vis"): Likewise.
17908         ("cmask16<P:mode>_vis"): Likewise.
17909         ("cmask32<P:mode>_vis"): Likewise.
17910         ("pdistn<P:mode>_vis"): Likewise.
17911         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
17913 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17915         * config/sparc/sparc.md ("subtype"): New insn attribute.
17916         ("*wrgsr_sp64"): Set insn subtype.
17917         ("*rdgsr_sp64"): Likewise.
17918         ("alignaddrsi_vis"): Likewise.
17919         ("alignaddrdi_vis"): Likewise.
17920         ("alignaddrlsi_vis"): Likewise.
17921         ("alignaddrldi_vis"): Likewise.
17922         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
17923         ("fexpand_vis"): Likewise.
17924         ("fpmerge_vis"): Likewise.
17925         ("faligndata<VM64:mode>_vis"): Likewise.
17926         ("bshuffle<VM64:mode>_vis"): Likewise.
17927         ("cmask8<P:mode>_vis"): Likewise.
17928         ("cmask16<P:mode>_vis"): Likewise.
17929         ("cmask32<P:mode>_vis"): Likewise.
17930         ("fchksm16_vis"): Likewise.
17931         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
17932         ("fmean16_vis"): Likewise.
17933         ("fp<plusminus_insn>64_vis"): Likewise.
17934         ("<plusminus_insn>v8qi3"): Likewise.
17935         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
17936         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
17937         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
17938         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
17939         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
17940         ("*movqi_insn"): Likewise.
17941         ("*movhi_insn"): Likewise.
17942         ("*movsi_insn"): Likewise.
17943         ("movsi_pic_gotdata_op"): Likewise.
17944         ("*movdi_insn_sp32"): Likewise.
17945         ("*movdi_insn_sp64"): Likewise.
17946         ("movdi_pic_gotdata_op"): Likewise.
17947         ("*movsf_insn"): Likewise.
17948         ("*movdf_insn_sp32"): Likewise.
17949         ("*movdf_insn_sp64"): Likewise.
17950         ("*zero_extendhisi2_insn"): Likewise.
17951         ("*zero_extendqihi2_insn"): Likewise.
17952         ("*zero_extendqisi2_insn"): Likewise.
17953         ("*zero_extendqidi2_insn"): Likewise.
17954         ("*zero_extendhidi2_insn"): Likewise.
17955         ("*zero_extendsidi2_insn_sp64"): Likewise.
17956         ("ldfsr"): Likewise.
17957         ("prefetch_64"): Likewise.
17958         ("prefetch_32"): Likewise.
17959         ("tie_ld32"): Likewise.
17960         ("tie_ld64"): Likewise.
17961         ("*tldo_ldub_sp32"): Likewise.
17962         ("*tldo_ldub1_sp32"): Likewise.
17963         ("*tldo_ldub2_sp32"): Likewise.
17964         ("*tldo_ldub_sp64"): Likewise.
17965         ("*tldo_ldub1_sp64"): Likewise.
17966         ("*tldo_ldub2_sp64"): Likewise.
17967         ("*tldo_ldub3_sp64"): Likewise.
17968         ("*tldo_lduh_sp32"): Likewise.
17969         ("*tldo_lduh1_sp32"): Likewise.
17970         ("*tldo_lduh_sp64"): Likewise.
17971         ("*tldo_lduh1_sp64"): Likewise.
17972         ("*tldo_lduh2_sp64"): Likewise.
17973         ("*tldo_lduw_sp32"): Likewise.
17974         ("*tldo_lduw_sp64"): Likewise.
17975         ("*tldo_lduw1_sp64"): Likewise.
17976         ("*tldo_ldx_sp64"): Likewise.
17977         ("*mov<VM32:mode>_insn"): Likewise.
17978         ("*mov<VM64:mode>_insn_sp64"): Likewise.
17979         ("*mov<VM64:mode>_insn_sp32"): Likewise.
17981 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
17983         * config/sparc/sparc.md ("type"): New insn type viscmp.
17984         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
17985         viscmp.
17986         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
17987         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
17988         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
17989         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
17990         viscmp.
17991         ("n7_vis_logical_11cycle"): Likewise.
17992         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
17993         * config/sparc/niagara2.md ("niag3_vis": Likewise.
17994         * config/sparc/niagara.md ("niag_vis"): Likewise.
17995         * config/sparc/ultra3.md ("us3_fga"): Likewise.
17996         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
17998 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
18000         * config/sparc/sparc.md: New instruction type `bmask'.
18001         (bmaskdi_vis): Use the `bmask' type.
18002         (bmasksi_vis): Likewise.
18003         * config/sparc/ultra3.md (us3_array): Likewise.
18004         * config/sparc/niagara7.md (n7_array): Likewise.
18005         * config/sparc/niagara4.md (n4_array): Likewise.
18006         * config/sparc/niagara2.md (niag2_vis): Likewise.
18007         (niag3_vis): Likewise.
18008         * config/sparc/niagara.md (niag_vis): Likewise.
18010 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
18012         * ipa-comdats.c: Remove optimize check from gate.
18013         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
18014         for functions not optimized.
18015         (ipa_fn_summary_read): Skip optimize check.
18016         (ipa_fn_summary_write): Likewise.
18017         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
18018         is optimized.
18019         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
18020         uninlinable.
18021         (can_inline_edge_p): Check flag_pcc_struct_return for match.
18022         (check_callers): Give up on caller which is not optimized.
18023         (inline_small_functions): Likewise.
18024         (ipa_inline): Do not give up when not optimizing.
18025         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
18026         away unoptimizes cdtors.
18027         (whole_program_function_and_variable_visibility): Do
18028         ipa_discover_readonly_nonaddressable_vars in LTO mode.
18029         * ipa.c (process_references): Do not check optimize.
18030         (symbol_table::remove_unreachable_nodes): Update optimize check.
18031         (set_writeonly_bit): Update optimize check.
18032         (pass_ipa_cdtor_merge::gate): Do not check optimize.
18033         (pass_ipa_single_use::gate): Remove.
18035 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18037         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
18038         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
18039         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
18040         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
18041         permute_load, permute_store, adjust_extract, adjust_splat,
18042         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
18043         replace_swap_with_copy, dump_swap_insn_table,
18044         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
18045         recombine_lvx_pattern, recombine_stvx_pattern,
18046         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
18047         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
18048         to file rs6000-p8swap.c.
18049         * config/rs6000/rs6000-p8swap.c: New file.
18050         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
18051         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
18052         and rs6000*-*-* targets.
18054 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
18056         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
18058 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
18060         * lto-wrapper.c (merge_and_complain): Do not merge
18061         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
18062         fsigned_zeros, ftrapping_math, fwrapv.
18063         (append_compiler_options): Do not track these options.
18064         (append_linker_options): Likewie
18066 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
18068         * cgraphunit.c (cgraph_node::finalize_function): When
18069         !flag_toplevel_reorde set no_reorder flag.
18070         (varpool_node::finalize_decl): Likewise.
18071         (symbol_table::compile): Drop no toplevel reorder path.
18073 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
18075         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
18076         edges; zero probability is not better than uninitialized.
18078 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
18080         * asan.h (asan_sanitize_allocas_p): Declare.
18081         * asan.c (asan_sanitize_allocas_p): New function.
18082         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
18083         (handle_builtin_alloca): Likewise.
18084         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
18085         if !asan_sanitize_allocas_p.
18086         * params.def (asan-instrument-allocas): Add new option.
18087         * params.h (ASAN_PROTECT_ALLOCAS): Define.
18088         * opts.c (common_handle_option): Disable allocas sanitization for
18089         KASan by default.
18091 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
18093         * asan.c: Include gimple-fold.h.
18094         (get_last_alloca_addr): New function.
18095         (handle_builtin_stackrestore): Likewise.
18096         (handle_builtin_alloca): Likewise.
18097         (asan_emit_allocas_unpoison): Likewise.
18098         (get_mem_refs_of_builtin_call): Add new parameter, remove const
18099         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
18100         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
18101         (instrument_builtin_call): Pass gimple iterator to
18102         get_mem_refs_of_builtin_call.
18103         (last_alloca_addr): New global.
18104         * asan.h (asan_emit_allocas_unpoison): Declare.
18105         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
18106         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
18107         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
18108         if function calls alloca.
18109         * gimple-fold.c (replace_call_with_value): Remove static keyword.
18110         * gimple-fold.h (replace_call_with_value): Declare.
18111         * internal-fn.c: Include asan.h.
18112         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
18113         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
18115 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
18117         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
18118         (C_SELFTEST_FLAGS): New.
18119         (CPP_SELFTEST_FLAGS): New.
18120         (SELFTEST_DEPS): New, from deps of s-selftest.
18121         (C_SELFTEST_DEPS): New, from deps of s-selftest.
18122         (CPP_SELFTEST_DEPS): New.
18123         (selftest): Add dependency on s-selftest-c++.
18124         (s-selftest): Rename to...
18125         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
18126         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
18127         than SELFTEST_FLAGS.
18128         (selftest-gdb): Rename to...
18129         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
18130         C_SELFTEST_FLAGS.
18131         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
18132         (selftest-valgrind): Rename to...
18133         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
18134         C_SELFTEST_FLAGS.
18135         (selftest-valgrind): Reintroduce as an alias for
18136         selftest-c-valgrind.
18137         (s-selftest-c++): New.
18138         (selftest-c++-gdb): New.
18139         (selftest-c++-valgrind): New.
18141 2017-07-06  Olivier Hainque  <hainque@adacore.com>
18143         * gcc.c (process_command): When deciding if undefined variables
18144         should be ignored when processing specs, accept "gcc -v" as well.
18146 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
18148         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
18149         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
18151 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18153         * config/arm/arm-cpus.in (armv8-r): Add new entry.
18154         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
18155         * config/arm/arm-tables.opt: Regenerate.
18156         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
18157         enumerator.
18158         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
18160 2017-07-06  Carl Love  <cel@us.ibm.com>
18162         * ChangeLog: Clean up from mid air collision
18164 2017-07-06  Carl Love  <cel@us.ibm.com>
18166         * config/rs6000/rs6000-c.c: Add support for built-in functions
18167         vector signed int vec_subc (vector signed int, vector signed int);
18168         vector signed __int128 vec_subc (vector signed __int128,
18169                                          vector signed __int128);
18170         vector unsigned __int128 vec_subc (vector unsigned __int128,
18171                                            vector unsigned __int128);
18172         vector signed int vec_sube (vector signed int, vector signed int,
18173                                     vector signed int);
18174         vector unsigned int vec_sube (vector unsigned int,
18175                                       vector unsigned int,
18176                                       vector unsigned int);
18177         vector signed __int128 vec_sube (vector signed __int128,
18178                                          vector signed __int128,
18179                                          vector signed__int128);
18180         vector unsigned __int128 vec_sube (vector unsigned __int128,
18181                                            vector unsigned __int128,
18182                                            vector unsigned __int128);
18183         vector signed int vec_subec (vector signed int, vector signed int,
18184                                      vector signed int);
18185         vector unsigned int vec_subec (vector unsigned int,
18186                                        vector unsigned int,
18187                                        vector unsigned int);
18188         vector signed __int128 vec_subec (vector signed __int128,
18189                                           vector signed __int128,
18190                                           vector signed__int128);
18191         vector unsigned __int128 vec_subec (vector unsigned __int128,
18192                                             vector unsigned __int128,
18193                                             vector unsigned __int128);
18194         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
18195         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
18196         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
18197         BU_ALTIVEC_OVERLOAD_X definitions.
18198         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
18199         * doc/extend.texi: Update the built-in documentation file for the new
18200         built-in functions.
18202 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
18204         PR c++/79300
18205         * diagnostic-show-locus.c (layout::layout): Use start and finish
18206         spelling location for the start and finish of each range.
18207         * genmatch.c (linemap_client_expand_location_to_spelling_point):
18208         Add unused aspect param.
18209         * input.c (expand_location_1): Add "aspect" param, and use it
18210         to access the correct part of the location.
18211         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
18212         expand_location_1.
18213         (expand_location_to_spelling_point): Likewise.
18214         (linemap_client_expand_location_to_spelling_point): Add "aspect"
18215         param, and pass it to expand_location_1.
18217 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
18219         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
18220         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
18221         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
18222         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
18223         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
18224         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
18225         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
18226         _mm_maskz_getmant_ss): New intrinsics.
18227         (__builtin_ia32_getexpss128_mask): Changed to ...
18228         __builtin_ia32_getexpss128_round ... this.
18229         (__builtin_ia32_getexpsd128_mask): Changed to ...
18230         __builtin_ia32_getexpsd128_round ... this.
18231         * config/i386/i386-builtin-types.def
18232         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
18233         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
18234         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
18235         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
18236         __builtin_ia32_getmantss_mask_round): New builtins.
18237         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
18238         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
18239         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
18240         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
18241         * config/i386/sse.md
18242         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
18243         avx512f_sgetexp<mode><mask_scalar_name>
18244         <round_saeonly_scalar_name> ... this.
18245         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
18246         %0, %1, %2<round_saeonly_op3>}): Changed to ...
18247         vgetexp<ssescalarmodesuffix>
18248         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
18249         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
18250         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
18251         avx512f_vgetmant<mode><mask_scalar_name>
18252         <round_saeonly_scalar_name> ... this.
18253         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
18254         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
18255         vgetmant<ssescalarmodesuffix>
18256         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
18257         %0<mask_scalar_operand4>, %1, %2
18258         <round_saeonly_scalar_mask_op4>, %3} ... this.
18259         * config/i386/subst.md (mask_scalar_operand4,
18260         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
18261         round_saeonly_scalar_nimm_predicate): New subst attributes.
18263 2017-07-06  Julia Koval  <julia.koval@intel.com>
18265         * config/i386/i386.c (ix86_erase_embedded_rounding):
18266         Remove code for old rounding pattern.
18268 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
18270         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
18272 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
18274         * doc/sourcebuild.texi (Test Directives, Variants of
18275         dg-require-support): Add documentation for dg-require-stack-check.
18277 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
18279         * config/i386/subst.md (mask_scalar, round_scalar,
18280         round_saeonly_scalar): New meta-templates.
18281         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
18282         round_scalar_mask_operand3, round_scalar_mask_op3,
18283         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
18284         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
18285         round_saeonly_scalar_constraint,
18286         round_saeonly_scalar_prefix): New subst attribute.
18287         * config/i386/sse.md
18288         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
18289         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
18290         <round_scalar_name> ... this.
18291         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
18292         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
18293         <round_scalar_name> ... this.
18294         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
18295         <sse>_vm<code><mode>3<mask_scalar_name>
18296         <round_saeonly_scalar_name> ... this.
18297         (v<plusminus_mnemonic><ssescalarmodesuffix>
18298         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
18299         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
18300         v<plusminus_mnemonic><ssescalarmodesuffix>
18301         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
18302         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
18303         (v<multdiv_mnemonic><ssescalarmodesuffix>
18304         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
18305         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
18306         v<multdiv_mnemonic><ssescalarmodesuffix>
18307         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
18308         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
18309         (v<maxmin_float><ssescalarmodesuffix>
18310         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
18311         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
18312         v<maxmin_float><ssescalarmodesuffix>
18313         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
18314         %0<mask_scalar_operand3>, %1, %<iptr>2
18315         <round_saeonly_scalar_mask_op3>} ... this.
18317 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
18319         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
18320         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
18322 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
18323             Alan Hayward  <alan.hayward@arm.com>
18324             David Sherwood  <david.sherwood@arm.com>
18326         * combine.c (simplify_if_then_else): Remove "enum" before
18327         "machine_mode".
18328         * compare-elim.c (can_eliminate_compare): Likewise.
18329         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
18330         Likewise.
18331         (aarch64_lookup_simd_builtin_type): Likewise.
18332         (aarch64_simd_builtin_type): Likewise.
18333         (aarch64_init_simd_builtin_types): Likewise.
18334         (aarch64_simd_expand_args): Likewise.
18335         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
18336         Likewise.
18337         (aarch64_reverse_mask): Likewise.
18338         (aarch64_simd_emit_reg_reg_move): Likewise.
18339         (aarch64_gen_adjusted_ldpstp): Likewise.
18340         (aarch64_ccmp_mode_to_code): Likewise.
18341         (aarch64_operands_ok_for_ldpstp): Likewise.
18342         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
18343         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
18344         Likewise.
18345         (aarch64_min_divisions_for_recip_mul): Likewise.
18346         (aarch64_reassociation_width): Likewise.
18347         (aarch64_get_condition_code_1): Likewise.
18348         (aarch64_simd_emit_reg_reg_move): Likewise.
18349         (aarch64_simd_attr_length_rglist): Likewise.
18350         (aarch64_reverse_mask): Likewise.
18351         (aarch64_operands_ok_for_ldpstp): Likewise.
18352         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
18353         (aarch64_gen_adjusted_ldpstp): Likewise.
18354         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
18355         Likewise.
18356         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
18357         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
18358         (arm_lookup_simd_builtin_type): Likewise.
18359         (arm_simd_builtin_type): Likewise.
18360         (arm_init_simd_builtin_types): Likewise.
18361         (arm_expand_builtin_args): Likewise.
18362         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
18363         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
18364         (ft32_setup_incoming_varargs): Likewise.
18365         (ft32_function_arg): Likewise.
18366         (ft32_function_arg_advance): Likewise.
18367         (ft32_pass_by_reference): Likewise.
18368         (ft32_arg_partial_bytes): Likewise.
18369         (ft32_valid_pointer_mode): Likewise.
18370         (ft32_addr_space_pointer_mode): Likewise.
18371         (ft32_addr_space_legitimate_address_p): Likewise.
18372         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
18373         Likewise.
18374         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
18375         (ix86_emit_outlined_ms2sysv_restore): Likewise.
18376         (iamcu_alignment): Likewise.
18377         (canonicalize_vector_int_perm): Likewise.
18378         (ix86_noce_conversion_profitable_p): Likewise.
18379         (ix86_mpx_bound_mode): Likewise.
18380         (ix86_operands_ok_for_move_multiple): Likewise.
18381         * config/microblaze/microblaze-protos.h
18382         (microblaze_expand_conditional_branch_reg): Likewise.
18383         * config/microblaze/microblaze.c
18384         (microblaze_expand_conditional_branch_reg): Likewise.
18385         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
18386         Likewise.
18387         (rs6000_reassociation_width): Likewise.
18388         (rs6000_invalid_binary_op): Likewise.
18389         (fusion_p9_p): Likewise.
18390         (emit_fusion_p9_load): Likewise.
18391         (emit_fusion_p9_store): Likewise.
18392         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
18393         Likewise.
18394         (riscv_hard_regno_mode_ok_p): Likewise.
18395         (riscv_address_insns): Likewise.
18396         (riscv_split_symbol): Likewise.
18397         (riscv_legitimize_move): Likewise.
18398         (riscv_function_value): Likewise.
18399         (riscv_hard_regno_nregs): Likewise.
18400         (riscv_expand_builtin): Likewise.
18401         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
18402         (riscv_build_integer): Likewise.
18403         (riscv_split_integer): Likewise.
18404         (riscv_legitimate_constant_p): Likewise.
18405         (riscv_cannot_force_const_mem): Likewise.
18406         (riscv_regno_mode_ok_for_base_p): Likewise.
18407         (riscv_valid_base_register_p): Likewise.
18408         (riscv_valid_offset_p): Likewise.
18409         (riscv_valid_lo_sum_p): Likewise.
18410         (riscv_classify_address): Likewise.
18411         (riscv_legitimate_address_p): Likewise.
18412         (riscv_address_insns): Likewise.
18413         (riscv_load_store_insns): Likewise.
18414         (riscv_force_binary): Likewise.
18415         (riscv_split_symbol): Likewise.
18416         (riscv_force_address): Likewise.
18417         (riscv_legitimize_address): Likewise.
18418         (riscv_move_integer): Likewise.
18419         (riscv_legitimize_const_move): Likewise.
18420         (riscv_legitimize_move): Likewise.
18421         (riscv_address_cost): Likewise.
18422         (riscv_subword): Likewise.
18423         (riscv_output_move): Likewise.
18424         (riscv_canonicalize_int_order_test): Likewise.
18425         (riscv_emit_int_order_test): Likewise.
18426         (riscv_function_arg_boundary): Likewise.
18427         (riscv_pass_mode_in_fpr_p): Likewise.
18428         (riscv_pass_fpr_single): Likewise.
18429         (riscv_pass_fpr_pair): Likewise.
18430         (riscv_get_arg_info): Likewise.
18431         (riscv_function_arg): Likewise.
18432         (riscv_function_arg_advance): Likewise.
18433         (riscv_arg_partial_bytes): Likewise.
18434         (riscv_function_value): Likewise.
18435         (riscv_pass_by_reference): Likewise.
18436         (riscv_setup_incoming_varargs): Likewise.
18437         (riscv_print_operand): Likewise.
18438         (riscv_elf_select_rtx_section): Likewise.
18439         (riscv_save_restore_reg): Likewise.
18440         (riscv_for_each_saved_reg): Likewise.
18441         (riscv_register_move_cost): Likewise.
18442         (riscv_hard_regno_mode_ok_p): Likewise.
18443         (riscv_hard_regno_nregs): Likewise.
18444         (riscv_class_max_nregs): Likewise.
18445         (riscv_memory_move_cost): Likewise.
18446         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
18447         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
18448         (rl78_addr_space_address_mode): Likewise.
18449         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18450         Likewise.
18451         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
18452         (rs6000_reassociation_width): Likewise.
18453         (rs6000_invalid_binary_op): Likewise.
18454         (fusion_p9_p): Likewise.
18455         (emit_fusion_p9_load): Likewise.
18456         (emit_fusion_p9_store): Likewise.
18457         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
18458         (ok_for_simple_move_operands): Likewise.
18459         (ok_for_simple_move_strict_operands): Likewise.
18460         (ok_for_simple_arith_logic_operands): Likewise.
18461         (visium_legitimize_reload_address): Likewise.
18462         (visium_select_cc_mode): Likewise.
18463         (output_cbranch): Likewise.
18464         (visium_split_double_move): Likewise.
18465         (visium_expand_copysign): Likewise.
18466         (visium_expand_int_cstore): Likewise.
18467         (visium_expand_fp_cstore): Likewise.
18468         * config/visium/visium.c (visium_pass_by_reference): Likewise.
18469         (visium_function_arg): Likewise.
18470         (visium_function_arg_advance): Likewise.
18471         (visium_libcall_value): Likewise.
18472         (visium_setup_incoming_varargs): Likewise.
18473         (visium_legitimate_constant_p): Likewise.
18474         (visium_legitimate_address_p): Likewise.
18475         (visium_legitimize_address): Likewise.
18476         (visium_secondary_reload): Likewise.
18477         (visium_register_move_cost): Likewise.
18478         (visium_memory_move_cost): Likewise.
18479         (prepare_move_operands): Likewise.
18480         (ok_for_simple_move_operands): Likewise.
18481         (ok_for_simple_move_strict_operands): Likewise.
18482         (ok_for_simple_arith_logic_operands): Likewise.
18483         (visium_function_value_1): Likewise.
18484         (rtx_ok_for_offset_p): Likewise.
18485         (visium_legitimize_reload_address): Likewise.
18486         (visium_split_double_move): Likewise.
18487         (visium_expand_copysign): Likewise.
18488         (visium_expand_int_cstore): Likewise.
18489         (visium_expand_fp_cstore): Likewise.
18490         (visium_split_cstore): Likewise.
18491         (visium_select_cc_mode): Likewise.
18492         (visium_split_cbranch): Likewise.
18493         (output_cbranch): Likewise.
18494         (visium_print_operand_address): Likewise.
18495         * expmed.c (flip_storage_order): Likewise.
18496         * expmed.h (emit_cstore): Likewise.
18497         (flip_storage_order): Likewise.
18498         * genrecog.c (validate_pattern): Likewise.
18499         * hsa-gen.c (gen_hsa_addr): Likewise.
18500         * internal-fn.c (expand_arith_overflow): Likewise.
18501         * ira-color.c (allocno_copy_cost_saving): Likewise.
18502         * lra-assigns.c (find_hard_regno_for_1): Likewise.
18503         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
18504         (process_invariant_for_inheritance): Likewise.
18505         * lra-eliminations.c (move_plus_up): Likewise.
18506         * omp-low.c (lower_oacc_reductions): Likewise.
18507         * simplify-rtx.c (simplify_subreg): Likewise.
18508         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
18509         (TARGET_CHKP_BOUND_MODE): Likewise..
18510         * targhooks.c (default_chkp_bound_mode): Likewise.
18511         (default_setup_incoming_vararg_bounds): Likewise.
18512         * targhooks.h (default_chkp_bound_mode): Likewise.
18513         (default_setup_incoming_vararg_bounds): Likewise.
18514         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
18515         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
18516         (have_whole_vector_shift): Likewise.
18517         * tree-vect-stmts.c (vectorizable_load): Likewise.
18518         * doc/tm.texi: Regenerate.
18520 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
18522         Graceful degrade if Binutils PR21472 is not available.
18524         PR target/81072
18525         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
18526         .rodata in flash test fails.
18527         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
18528         * confgure: Regenerate.
18529         * config.in: Regenerate.
18530         * config/avr/avr.c (avr_asm_named_section)
18531         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
18532         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
18533         (avr_asm_init_sections): Same.
18535 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18537         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
18538         (fma<VH:mode>4_intrinsic): Likewise.
18539         (*fmsub<VCVTF:mode>4): Likewise.
18540         (*fmsub<VH:mode>4_intrinsic): Likewise.
18542 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
18544         PR target/81305
18545         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
18546         Don't depend on "optimize > 0".
18547         (out_movhi_r_mr, out_movqi_mr_r): Same.
18548         (out_movhi_mr_r, out_movqi_r_mr): Same.
18549         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
18550         io_address_operand on "optimize > 0".
18552 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18554         * tree-loop-distribution.c: Add general explanantion on the pass.
18555         (generate_loops_for_partition): Mark distributed loop.
18556         (pg_add_dependence_edges): New parameter.  Handle alias data
18557         dependence specially and record it in the parameter if asked.
18558         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
18559         (init_partition_graph_vertices, add_partition_graph_edge): New.
18560         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
18561         (free_partition_graph_vdata, build_partition_graph): New.
18562         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
18563         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
18564         (data_ref_segment_size, latch_dominated_by_data_ref): New.
18565         (compute_alias_check_pairs, version_loop_by_alias_check): New.
18566         (version_for_distribution_p, finalize_partitions): New.
18567         (distribute_loop): Handle alias data dependence specially.  Factor
18568         out loop fusion code as functions and call these functions.
18570 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18572         * tree-loop-distribution.c (classify_partition): New parameter and
18573         better handle reduction statement.
18574         (rdg_build_partitions): Revise comment.
18575         (distribute_loop): Compute statements in all partitions and pass it
18576         to classify_partition.
18578 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18580         * tree-loop-distribution.c (enum partition_type): New.
18581         (struct partition): New field type.
18582         (partition_merge_into): Add parameter.  Update partition type.
18583         (data_dep_in_cycle_p, update_type_for_merge): New functions.
18584         (build_rdg_partition_for_vertex): Compute partition type.
18585         (rdg_build_partitions): Dump partition type.
18586         (distribute_loop): Update calls to partition_merge_into.
18588 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18590         * tree-loop-distribution.c (struct ddr_hasher): New.
18591         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
18592         (ddrs_table): New.
18593         (classify_partition): Call get_data_dependence.
18594         (pg_add_dependence_edges): Ditto.
18595         (distribute_loop): Release data dependence hash table.
18597 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18599         * tree-loop-distribution.c (ref_base_address): Delete.
18600         (similar_memory_accesses): Rename ...
18601         (share_memory_accesses): ... to this.  Check if partitions access
18602         the same memory reference.
18603         (distribute_loop): Call share_memory_accesses.
18605 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18607         * tree-loop-distribution.c (struct partition): New field recording
18608         its data reference.
18609         (partition_alloc, partition_free): Init and release data refs.
18610         (partition_merge_into): Merge data refs.
18611         (build_rdg_partition_for_vertex): Collect data refs for partition.
18612         (pg_add_dependence_edges): Change parameters from vector to bitmap.
18613         Update uses.
18614         (distribute_loop): Remve data refs from vertice data of partition
18615         graph.
18617 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18619         * tree-loop-distribution.c (params.h): Include header file.
18620         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
18621         (datarefs_vec): New global var.
18622         (create_rdg_vertices): Use datarefs_vec directly.
18623         (free_rdg): Don't free data references.
18624         (build_rdg): Update use.  Don't free data references.
18625         (distribute_loop): Compute global variable for data references.
18626         Bail out if there are too many data references.
18628 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18630         * tree-loop-distribution.c (loop_nest): New global var.
18631         (build_rdg): Use loop directly, rather than loop nest.
18632         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
18633         variable directly.
18634         (distribute_loop): Compute global variable loop nest.  Update use.
18636 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18638         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
18639         (partition_merge_into): New parameter.  Dump reason for fusion.
18640         (distribute_loop): Update use of partition_merge_into.
18642 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18644         * tree-loop-distribution.c (bb_top_order_index): New.
18645         (bb_top_order_index_size, bb_top_order_cmp): New.
18646         (stmts_from_loop): Use topological order.
18647         (pass_loop_distribution::execute): Compute and release topological
18648         order for basic blocks.
18650 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18652         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
18653         if no loops.
18655 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
18657         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
18658         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
18659         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
18660         * internal-fn.def (LOOP_DIST_ALIAS): New.
18661         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
18662         (fold_loop_internal_call): ... this.
18663         (vect_loop_dist_alias_call): New function.
18664         (set_uid_loop_bbs): Call fold_loop_internal_call.
18665         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
18666         internal calls.
18668 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
18670         PR target/81300
18671         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
18672         Require dead FLAGS_REG at the beginning of a peephole.
18674 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
18676         PR target/81294
18677         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
18678         arguments in the call to __builtin_ia32_sbb_u32.
18679         (_subborrow_u64): Swap _X and _Y arguments in the call to
18680         __builtin_ia32_sbb_u64.
18682 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
18684         PR debug/81278
18685         * tree-vrp.c (compare_assert_loc): Turn into a function template
18686         with stable template parameter.  Only test if a->e is NULL,
18687         !a->e == !b->e has been verified already.  Use e == NULL or
18688         e != NULL instead of e or ! e tests.  If stable is true, don't use
18689         iterative_hash_expr, on the other side allow a or b or both NULL
18690         and sort the NULLs last.
18691         (process_assert_insertions): Sort using compare_assert_loc<false>
18692         instead of compare_assert_loc, later sort using
18693         compare_assert_loc<true> before calling process_assert_insertions_for
18694         in a loop.  Use break instead of continue once seen NULL pointer.
18696 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18698         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
18699         Cortex-R7 and Cortex-R8 processors.
18701 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
18703         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
18704         uninitialized while src is not.
18706 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
18708         * common/config/arm/arm-common.c: Adjust include path for
18709         arm-cpu-cdata.h
18710         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
18711         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
18712         (arm-cpu-data.h): Likewise.
18713         (arm-cpu-cdata.h): Likewise.
18714         * config/arm/arm-cpu.h: Delete.
18715         * config/arm/arm-cpu-cdata.h: Delete.
18716         * config/arm/arm-cpu-data.h: Delete.
18718 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
18720         * config/arm/arm-cpus.in (cortex-a55): New.
18721         (cortex-a75): Likewise.
18722         (cortex-a75.cortex-a55): Likewise.
18723         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
18724         cortex-a75.
18725         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
18726         * config/arm/arm-cpu-cdata.h: Regenerate.
18727         * config/arm/arm-cpu-data.h: Regenerate.
18728         * config/arm/arm-cpu.h: Regenerate.
18729         * config/arm/arm-tables.opt: Regenerate.
18730         * config/arm/arm-tune.md: Regenerate.
18732 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
18734         * haifa-sched.c (sched_create_recovery_edges): Update profile.
18736 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
18738         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
18739         probability.
18741 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
18743         PR tree-optimization/81292
18744         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
18745         full_string_p, also call adjust_related_strinfos if the adjustment
18746         is simple, otherwise invalidate related strinfos.
18748 2017-07-04  Martin Liska  <mliska@suse.cz>
18750         PR sanitizer/81040
18751         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
18752         newly created variable as DECL_IGNORED_P.
18754 2017-07-04  Martin Liska  <mliska@suse.cz>
18756         PR ipa/81293
18757         * ipa-inline.c (inline_small_functions):
18758         Use xstrdup_for_dump.
18760 2017-07-04  Tom de Vries  <tom@codesourcery.com>
18762         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
18764 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
18766         PR target/81033
18767         * config/darwin.c (darwin_function_switched_text_sections):
18768         Fix spaces.
18770 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
18772         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
18774 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
18776         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
18778 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18780         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
18781         min_profitable_iters, and th as inclusive lower bounds.
18782         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
18783         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
18784         for min_profitable_iters and min_profitable_estimate.
18785         (vect_transform_loop): Treat th as an inclusive lower bound.
18786         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
18788 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
18790         PR target/81033
18791         * config/darwin.c (darwin_function_switched_text_sections):
18792         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
18793         in two pieces, and suppress the use of buf.
18795 2017-07-03  Nathan Sidwell  <nathan@acm.org>
18797         * hash-table.h (hash_table_mod1): Fix indentation.
18799 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
18801         PR middle-end/81290
18802         * predict.c (force_edge_cold): Be more careful about propagation
18803         backward.
18804         * profile-count.h (profile_probability::guessed,
18805         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
18806         New.
18807         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
18809 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
18811         * doc/invoke.texi (rcpc architecture extension): Document it.
18813 2017-07-03  Richard Biener  <rguenther@suse.de>
18815         PR tree-optimization/60510
18816         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
18817         the scalar reduction PHI and use it.
18818         (vectorizable_reduction): Properly guard the single_defuse_cycle
18819         path for non-SLP reduction chains where we cannot use it.
18820         Rework reduc_def/index and vector type deduction.  Rework
18821         vector operand gathering during reduction op code-gen.
18822         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
18823         chains dissolve the chain and leave it to non-SLP reduction
18824         handling.
18826 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18828         * tree-data-ref.h (dr_alignment): Declare.
18829         * tree-data-ref.c (dr_alignment): New function.
18830         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
18831         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
18832         set it.
18833         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
18835 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18837         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
18838         and base_misalignment fields.
18839         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
18840         * tree-data-ref.c: Include builtins.h.
18841         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
18842         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
18843         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
18844         * tree-vect-data-refs.c: Include tree-cfg.h.
18845         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
18846         fields instead of calculating an alignment here.
18847         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
18848         innermost_loop_behavior fields.
18850 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18852         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
18853         field.
18854         (DR_STEP_ALIGNMENT): New macro.
18855         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
18856         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
18857         (create_data_ref): Print it.
18858         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
18859         to tell whether the step preserves vector (mis)alignment.
18860         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
18861         Move the check for an integer step and generalise to all INTEGER_CST.
18862         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
18863         Print the outer step alignment.
18865 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18867         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
18868         with offset_alignment.
18869         (DR_ALIGNED_TO): Delete.
18870         (DR_OFFSET_ALIGNMENT): New macro.
18871         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
18872         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
18873         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
18874         (create_data_ref): Likewise.
18875         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
18876         (vect_analyze_data_refs): Likewise.
18877         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
18878         creating dummy innermost behavior.
18880 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18882         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
18883         with a "innermost_loop_behavior *" and refeence tree.
18884         * tree-data-ref.c (dr_analyze_innermost): Likewise.
18885         (create_data_ref): Update call accordingly.
18886         * tree-predcom.c (find_looparound_phi): Likewise.
18888 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18890         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
18891         fields with dr_wrt_vec_loop.
18892         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
18893         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
18894         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
18895         (vect_dr_behavior): New function.
18896         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
18897         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
18898         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
18899         track whether the step preserves the misalignment.
18900         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
18901         Use vect_dr_behavior.
18902         (vect_setup_realignment): Update call accordingly.
18903         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
18904         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
18905         call to vect_create_addr_base_for_vector_ref.
18906         (vect_create_cond_for_align_checks): Likewise.
18907         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
18908         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
18909         (vect_recog_mask_conversion_pattern): Likewise.
18910         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
18911         (new_stmt_vec_info): Remove redundant zeroing.
18913 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
18915         * common/config/arm/arm-common.c (arm_be8_option): New function.
18916         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
18917         (ISA_ARMv6): Add isa_bit_be8.
18918         * config/arm/arm.h (arm_be8_option): Add prototype.
18919         (BE8_SPEC_FUNCTION): New define.
18920         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
18921         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
18922         (mlittle-endian): Similarly.
18923         (mbe8, mbe32): New options.
18924         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
18925         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
18927 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
18929         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
18931 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
18933         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
18934         (cleanup_tree_cfg_bb): Use it.
18935         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
18936         New functions.
18937         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
18939 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
18941         PR bootstrap/81285
18942         * loop-doloop.c (add_test): Update profile.
18944 2017-07-03  Martin Liska  <mliska@suse.cz>
18946         PR sanitize/81040
18947         * sanopt.c (rewrite_usage_of_param): New function.
18948         (sanitize_rewrite_addressable_params): Likewise.
18949         (pass_sanopt::execute): Call rewrite_usage_of_param.
18951 2017-07-03  Richard Biener  <rguenther@suse.de>
18953         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
18954         back to using VIEW_CONVERT_EXPR.
18956 2017-07-03  Martin Liska  <mliska@suse.cz>
18958         PR other/78366
18959         * doc/extend.texi: Document when a resolver function is
18960         generated for target_clones.
18962 2017-07-03  Martin Liska  <mliska@suse.cz>
18964         * asan.c (asan_emit_stack_protection): Unpoison just red zones
18965         and shadow memory of auto variables which are subject of
18966         use-after-scope sanitization.
18967         (asan_expand_mark_ifn): Add do set only when is_poison.
18969 2016-07-03  Richard Biener  <rguenther@suse.de>
18971         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
18972         reduction PHIs.
18973         (vect_force_simple_reduction): Record reduction def -> phi mapping.
18974         (vectorizable_reduction): Perform reduction PHI creation when
18975         visiting a reduction PHI and adjust and simplify code generation
18976         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
18977         (vect_transform_loop): Visit reduction PHIs.
18978         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
18979         defs into the SLP tree.
18980         (vect_build_slp_tree): Reduction defs terminate the recursion.
18981         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
18982         of reduction defs.
18983         (vect_get_vec_defs_for_stmt_copy): Export.
18984         (vect_get_vec_defs): Likewise.
18985         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
18986         purpose.
18987         (vect_get_vec_defs_for_stmt_copy): Declare.
18988         (vect_get_vec_defs): Likewise.
18990 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
18992         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
18993         parameter with a "loop" parameter and use it instead of the
18994         loop containing DR_STMT.  Don't check simple_iv when doing
18995         BB analysis.  Describe the two analysis modes in the comment.
18997 2017-07-03  Tom de Vries  <tom@codesourcery.com>
18999         PR tree-optimization/69468
19000         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
19001         (find_same_succ_bb): Handle ignore_edge_flags.
19003 2017-07-03  Tom de Vries  <tom@codesourcery.com>
19005         PR tree-optimization/81192
19006         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
19007         hash.
19008         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
19009         differs.
19010         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
19012 2017-07-03  Tom de Vries  <tom@codesourcery.com>
19014         PR tree-optimization/81192
19015         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
19016         BB_SAME_SUCC (bb) == NULL.
19018 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
19020         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
19021         consistency.
19023 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
19025         * dumpfile.c: Include profile-count.h
19026         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
19027         update profile.
19028         (insert_cond_bb): Update profile.
19029         * tree-cfg.h (insert_cond_bb): Update prototype.
19030         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
19031         * tree-dump.c: Do not include tree-cfg.
19033 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
19035         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
19037 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
19039         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
19040         bb.
19042 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
19044         * tree-complex.c (expand_complex_div_wide): update profile.
19046 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
19047             Alan Hayward  <alan.hayward@arm.com>
19048             David Sherwood  <david.sherwood@arm.com>
19050         * Makefile.in (MACHMODE_H): Remove insn-modes.h
19051         (CORETYPES_H): New define.
19052         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
19053         (insn-modes-inline.h, s-modes-inline-h): New rules.
19054         (generated_files): Add insn-modes-inline.h.
19055         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
19056         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
19057         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
19058         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
19059         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
19060         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
19061         (build/gencodes.o, build/genconditions.o): Likewise.
19062         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
19063         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
19064         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
19065         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
19066         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
19067         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
19068         * coretypes.h: Include everything up to real.h for generators.
19069         Include insn-modes.h first.  Include wide-int-print.h after
19070         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
19071         * machmode.h: Don't include insn-modes.h here.
19072         * function-tests.c: Remove includes of signop.h, machmode.h,
19073         double-int.h and wide-int.h.
19074         * rtl.h: Likewise.
19075         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
19076         and wide-int.h.
19077         * optc-save-gen.awk: Likewise.
19078         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
19079         * godump.c: Remove include of wide-int-print.h.
19080         * pretty-print.h: Likewise.
19081         * wide-int-print.cc: Likewise.
19082         * wide-int.cc: Likewise.
19083         * hash-map-tests.c: Remove include of signop.h.
19084         * hash-set-tests.c: Likewise.
19085         * rtl-tests.c: Likewise.
19086         * mkconfig.sh: Remove include of machmode.h.
19087         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
19088         into...
19089         (emit_insn_modes_inline_h): ...this new function.  Emit the code
19090         into an insn-modes-inline.h header file, adding appropriate
19091         include guards and end comments.
19092         (emit_insn_modes_c_header): Remove include of machmode.h.
19093         (emit_min_insn_modes_c_header): Include coretypes.h rather than
19094         machmode.h.
19095         (main): Handle -i flag and call emit_insn_modes_inline_h when
19096         it is passed.
19098 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
19100         * tree-ssa-strlen.c (strinfo): Rename the length field to
19101         nonzero_chars.  Add a full_string_p field.
19102         (compare_nonzero_chars, zero_length_string_p): New functions.
19103         (get_addr_stridx): Add an offset_out parameter.
19104         Use compare_nonzero_chars.
19105         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
19106         (new_strinfo): Update after above changes to strinfo.
19107         (set_endptr_and_length): Set full_string_p.
19108         (get_string_length): Update after above changes to strinfo.
19109         (unshare_strinfo): Update call to new_strinfo.
19110         (maybe_invalidate): Likewise.
19111         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
19112         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
19113         as a uhwi instead of an shwi.  Update after above changes to
19114         strinfo and new_strinfo.
19115         (zero_length_string): Assert that chainsi contains full strings.
19116         Use zero_length_string_p.  Update call to new_strinfo.
19117         (adjust_related_strinfos): Update after above changes to strinfo.
19118         Copy full_string_p from origsi.
19119         (adjust_last_stmt): Use zero_length_string_p.
19120         (handle_builtin_strlen): Update after above changes to strinfo and
19121         new_strinfo.  Install the lhs as the string length if the previous
19122         entry didn't describe a full string.
19123         (handle_builtin_strchr): Update after above changes to strinfo
19124         and new_strinfo.
19125         (handle_builtin_strcpy): Likewise.
19126         (handle_builtin_strcat): Likewise.
19127         (handle_builtin_malloc): Likewise.
19128         (handle_pointer_plus): Likewise.
19129         (handle_builtin_memcpy): Likewise.  Track nonzero characters
19130         that aren't necessarily followed by a nul terminator.
19131         (handle_char_store): Likewise.
19133 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
19135         PR tree-optimization/80769
19136         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
19137         for malloc and calloc.  Document the new invariant that all related
19138         strinfos have delayed lengths or none do.
19139         (verify_related_strinfos): Move earlier in file.
19140         (set_endptr_and_length): New function, split out from...
19141         (get_string_length): ...here.  Also set the lengths of related
19142         strinfos.
19143         (zero_length_string): Assert that chainsi has known (rather than
19144         delayed) lengths.
19145         (adjust_related_strinfos): Likewise.
19147 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
19149         PR tree-optimization/81136
19150         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
19151         assert that two references with the same misalignment have the same
19152         compile-time misalignment if those compile-time misalignments
19153         are known.
19155 2017-07-01  Andi Kleen  <ak@linux.intel.com>
19157         * print-tree.c (print_node): Print all attributes.
19159 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19161         * cfg.c (scale_bbs_frequencies): New function.
19162         * cfg.h (scale_bbs_frequencies): Declare it.
19163         * cfgloopanal.c (single_likely_exit): Cleanup.
19164         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
19165         as parameter.
19166         (scale_loop_profile): Likewise.
19167         (loop_version): Likewise.
19168         (create_empty_loop_on_edge): Update.
19169         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
19170         scale_loop_frequencies, scale_loop_profile, loopify,
19171         loop_version): Update prototypes.
19172         * modulo-sched.c (sms_schedule): Update.
19173         * predict.c (unlikely_executed_edge_p): Also check probability.
19174         (probably_never_executed_edge_p): Fix typo.
19175         * tree-if-conv.c (version_loop_for_if_conversion): Update.
19176         * tree-parloops.c (gen_parallel_loop): Update.
19177         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
19178         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
19179         * tree-ssa-loop-split.c (split_loop): Update.
19180         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
19181         * tree-vect-loop-manip.c (vect_do_peeling): Update.
19182         (vect_loop_versioning): Update.
19183         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
19185 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19187         * trans-mem.c (split_bb_make_tm_edge): Update profile.
19189 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19191         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
19192         to keep profile consistent.
19194 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19196         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
19197         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
19198         * profile-count.h (max_safe_multiplier): Make unsigned.
19199         (profile_count::guessed_zero): New.
19201 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19203         * bb-reorder.c (fix_up_crossing_landing_pad,
19204         fix_crossing_conditional_branches): Use make_single_succ_edge
19205         to keep profile consistent.
19207 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
19209         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
19210         to update profile.
19212 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
19214         PR sanitizer/81262
19215         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
19216         the right scopes, make sure cond_jump isn't preserved between multiple
19217         iterations.  Search for fallthru edge whenever there are 3+ edges and
19218         use find_fallthru_edge for it.
19220 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
19222         Patch by Alexander Monakov <amonakov@ispras.ru>
19223         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
19224         probabilities consistently.
19226 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
19228         * pa.c (pa_expand_compare_and_swap_loop): Update call of
19229         emit_cmp_and_jump_insns.
19231 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
19233         PR ipa/81261
19234         * tree-inline.c (expand_call_inline): Combine profile statuses.
19236 2017-06-30  Andrew Pinski  <apinski@cavium.com>
19238         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
19239         fold_stmt returned true.
19241 2017-06-30  Nathan Sidwell  <nathan@acm.org>
19243         * ggc.h (empty_string): Delete.
19244         * cfgexpand.c (expand_asm_stmt): Use plain "".
19245         * optabs.c (expand_asm_memory_barrier): Likewise.
19246         * stringpool.c (empty_string): Delete.
19247         (digit_vector, digit_string): Delete.
19248         (ggc_alloc_string): Use plain "", don't optimize single digit
19249         strings.  Use ggc_alloc_atomic.
19251 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
19253         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
19254         comparison set and one other set, use the cost of the non-comparison
19255         set.
19257 2017-06-30  Nathan Sidwell  <nathan@acm.org>
19259         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
19260         some formatting.
19262 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
19264         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
19265         loops.  Remove now unneeded calls to gimple_switch_set_label() that
19266         just set removed labels to NULL_TREE.
19268 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
19270         * tree-ssanames.c (set_range_info_raw): Abstract from ...
19271         (set_range_info): ...here.  Only call set_range_info_raw if domain
19272         is useful.
19273         (set_nonzero_bits): Call set_range_info_raw.
19274         * tree-ssanames.h (set_range_info_raw): New.
19276 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
19278         PR target/81225
19279         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
19280         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
19281         of nonimmediate_operand and <store_mask_constraint> instead of m
19282         for the input operand.  For V8FI iterator, always split if input
19283         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
19284         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
19285         <store_mask_predicate> instead of register_operand and
19286         <store_mask_constraint> instead of v for the input operand.  Make
19287         sure both operands aren't MEMs for if not <mask_applied>.
19289 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
19291         * lto-wrapper.c (copy_file) Close both file descriptors before
19292         exiting normally.
19294 2017-06-30  Martin Liska  <mliska@suse.cz>
19296         PR ipa/81214
19297         * multiple_target.c (create_dispatcher_calls): Make ifunc
19298         also for function that don't have calls or are not referenced.
19300 2017-06-30  Richard Biener  <rguenther@suse.de>
19302         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
19303         analyze the first scalar stmt.  Move vector type computation
19304         for the BB case here from ...
19305         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
19306         live operation processing in the SLP case properly.
19308 2017-06-30  Richard Biener  <rguenther@suse.de>
19310         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
19312 2017-06-30  Martin Liska  <mliska@suse.cz>
19314         PR sanitizer/81021
19315         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
19316         before BUILT_IN_UNWIND_RESUME when ASAN is used.
19318 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
19320         * doc/invoke.texi (AArch64): Add missing options and remove redundant
19321         ones.
19323 2017-06-30  Richard Biener  <rguenther@suse.de>
19325         PR tree-optimization/81249
19326         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
19327         condition reduction result to original scalar type.
19329 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19331         * profile-count.h (enum profile_quality): Fix typos and whitespace
19332         issues.
19334 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19336         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
19337         type for branch probabilities.
19339 2017-06-29  Julian Brown  <julian@codesourcery.com>
19340             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
19342         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
19343         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
19344         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
19345         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
19347 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
19349         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
19350         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
19351         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
19352         CC usage from generic code to here.
19353         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
19354         CC usage into the target macros.
19356 2017-06-29  Maya Rashish  <coypu@sdf.org>
19358         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
19359         objects.
19361 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
19363         * arm/arm-builtins.c: Include profile-count.h
19364         * except.c (sjlj_emit_function_enter): Use
19365         profile_probability::unlikely.
19367 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19369         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
19370         and tocrel_offset be pointer args rather than implicitly using
19371         static versions.
19372         (legitimate_constant_pool_address_p, rs6000_emit_move,
19373         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
19374         tocrel_offset and use in toc_relative_expr_p call.
19375         (print_operand, print_operand_address): Use static tocrel_base_oac
19376         and tocrel_offset_oac.
19377         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
19378         tocrel_offset_oac.
19380 2017-06-29  Maya Rashish  <coypu@sdf.org>
19382         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
19384 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
19386         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
19387         objects, take into account only the alignment of 'op0' and 'mode1' if
19388         'op0' is a MEM.
19390 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
19392         * ccmp.c (ccmp_tree_comparison_p): New function.
19393         (ccmp_candidate_p): Update to use above function.
19394         (get_compare_parts): New function.
19395         (expand_ccmp_next): Update to use new functions.
19396         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
19397         new functions.
19398         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
19399         take mode as argument.
19400         * ccmp.h (expand_ccmp_expr): Add mode as argument.
19401         * expr.c (expand_expr_real_1): Pass mode as argument.
19403 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
19405         * combine.c (combine_instructions): Print insns to dump_file, together
19406         with their costs.
19408 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
19410         * asan.c (asan_emit_stack_protection): Update.
19411         (create_cond_insert_point): Update.
19412         * auto-profile.c (afdo_propagate_circuit): Update.
19413         * basic-block.h (struct edge_def): Turn probability to
19414         profile_probability.
19415         (EDGE_FREQUENCY): Update.
19416         * bb-reorder.c (find_traces_1_round): Update.
19417         (better_edge_p): Update.
19418         (sanitize_hot_paths): Update.
19419         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
19420         (make_single_succ_edge): Update.
19421         (check_bb_profile): Update.
19422         (dump_edge_info): Update.
19423         (update_bb_profile_for_threading): Update.
19424         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
19425         probabilitycount to 0.
19426         * cfgbuild.c (compute_outgoing_frequencies): Update.
19427         * cfgcleanup.c (try_forward_edges): Update.
19428         (outgoing_edges_match): Update.
19429         (try_crossjump_to_edge): Update.
19430         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
19431         (expand_gimple_tailcall): Update.
19432         (construct_init_block): Use make_single_succ_edge.
19433         (construct_exit_block): Use make_single_succ_edge.
19434         * cfghooks.c (verify_flow_info): Update.
19435         (redirect_edge_succ_nodup): Update.
19436         (split_edge): Update.
19437         (account_profile_record): Update.
19438         * cfgloopanal.c (single_likely_exit): Update.
19439         * cfgloopmanip.c (scale_loop_profile): Update.
19440         (set_zero_probability): Remove.
19441         (duplicate_loop_to_header_edge): Update.
19442         * cfgloopmanip.h (loop_version): Update prototype.
19443         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
19444         (force_nonfallthru_and_redirect): Update.
19445         (update_br_prob_note): Update.
19446         (rtl_verify_edges): Update.
19447         (purge_dead_edges): Update.
19448         (rtl_lv_add_condition_to_bb): Update.
19449         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
19450         * cgraphunit.c (init_lowered_empty_function): Update.
19451         (cgraph_node::expand_thunk): Update.
19452         * cilk-common.c: Include profile-count.h
19453         * dojump.c (inv): Remove.
19454         (jumpifnot): Update.
19455         (jumpifnot_1): Update.
19456         (do_jump_1): Update.
19457         (do_jump): Update.
19458         (do_jump_by_parts_greater_rtx): Update.
19459         (do_compare_rtx_and_jump): Update.
19460         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
19461         do_jump_1. do_compare_rtx_and_jump): Update prototype.
19462         * dwarf2cfi.c: Include profile-count.h
19463         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
19464         (sjlj_emit_dispatch_table): Likewise.
19465         * explow.c: Include profile-count.h
19466         * expmed.c (emit_store_flag_force): Update.
19467         (do_cmp_and_jump): Update.
19468         * expr.c (compare_by_pieces_d::generate): Update.
19469         (compare_by_pieces_d::finish_mode): Update.
19470         (emit_block_move_via_loop): Update.
19471         (store_expr_with_bounds): Update.
19472         (store_constructor): Update.
19473         (expand_expr_real_2): Update.
19474         (expand_expr_real_1): Update.
19475         * expr.h (try_casesi, try_tablejump): Update prototypes.
19476         * gimple-pretty-print.c (dump_probability): Update.
19477         (dump_profile): New.
19478         (dump_gimple_label): Update.
19479         (dump_gimple_bb_header): Update.
19480         * graph.c (draw_cfg_node_succ_edges): Update.
19481         * hsa-gen.c (convert_switch_statements): Update.
19482         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
19483         (find_if_case_1): Update.
19484         (find_if_case_2): Update.
19485         * internal-fn.c (expand_arith_overflow_result_store): Update.
19486         (expand_addsub_overflow): Update.
19487         (expand_neg_overflow): Update.
19488         (expand_mul_overflow): Update.
19489         (expand_vector_ubsan_overflow): Update.
19490         * ipa-cp.c (good_cloning_opportunity_p): Update.
19491         * ipa-split.c (split_function): Use make_single_succ_edge.
19492         * ipa-utils.c (ipa_merge_profiles): Update.
19493         * loop-doloop.c (add_test): Update.
19494         (doloop_modify): Update.
19495         * loop-unroll.c (compare_and_jump_seq): Update.
19496         (unroll_loop_runtime_iterations): Update.
19497         * lra-constraints.c (lra_inheritance): Update.
19498         * lto-streamer-in.c (input_cfg): Update.
19499         * lto-streamer-out.c (output_cfg): Update.
19500         * mcf.c (adjust_cfg_counts): Update.
19501         * modulo-sched.c (sms_schedule): Update.
19502         * omp-expand.c (expand_omp_for_init_counts): Update.
19503         (extract_omp_for_update_vars): Update.
19504         (expand_omp_ordered_sink): Update.
19505         (expand_omp_for_ordered_loops): Update.
19506         (expand_omp_for_generic): Update.
19507         (expand_omp_for_static_nochunk): Update.
19508         (expand_omp_for_static_chunk): Update.
19509         (expand_cilk_for): Update.
19510         (expand_omp_simd): Update.
19511         (expand_omp_taskloop_for_outer): Update.
19512         (expand_omp_taskloop_for_inner): Update.
19513         * omp-simd-clone.c (simd_clone_adjust): Update.
19514         * optabs.c (expand_doubleword_shift): Update.
19515         (expand_abs): Update.
19516         (emit_cmp_and_jump_insn_1): Update.
19517         (expand_compare_and_swap_loop): Update.
19518         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
19519         * predict.c (predictable_edge_p): Update.
19520         (edge_probability_reliable_p): Update.
19521         (set_even_probabilities): Update.
19522         (combine_predictions_for_insn): Update.
19523         (combine_predictions_for_bb): Update.
19524         (propagate_freq): Update.
19525         (estimate_bb_frequencies): Update.
19526         (force_edge_cold): Update.
19527         * profile-count.c (profile_count::dump): Add missing space into dump.
19528         (profile_count::debug): Add newline.
19529         (profile_count::differs_from_p): Explicitly convert to unsigned.
19530         (profile_count::stream_in): Update.
19531         (profile_probability::dump): New member function.
19532         (profile_probability::debug): New member function.
19533         (profile_probability::differs_from_p): New member function.
19534         (profile_probability::differs_lot_from_p): New member function.
19535         (profile_probability::stream_in): New member function.
19536         (profile_probability::stream_out): New member function.
19537         * profile-count.h (profile_count_quality): Rename to ...
19538         (profile_quality): ... this one.
19539         (profile_probability): New.
19540         (profile_count): Update.
19541         * profile.c (compute_branch_probabilities): Update.
19542         * recog.c (peep2_attempt): Update.
19543         * sched-ebb.c (schedule_ebbs): Update.
19544         * sched-rgn.c (find_single_block_region): Update.
19545         (compute_dom_prob_ps): Update.
19546         (schedule_region): Update.
19547         * sel-sched-ir.c (compute_succs_info): Update.
19548         * stmt.c (struct case_node): Update.
19549         (do_jump_if_equal): Update.
19550         (get_outgoing_edge_probs): Update.
19551         (conditional_probability): Update.
19552         (emit_case_dispatch_table): Update.
19553         (expand_case): Update.
19554         (expand_sjlj_dispatch_table): Update.
19555         (emit_case_nodes): Update.
19556         * targhooks.c: Update.
19557         * tracer.c (better_p): Update.
19558         (find_best_successor): Update.
19559         * trans-mem.c (expand_transaction): Update.
19560         * tree-call-cdce.c: Update.
19561         * tree-cfg.c (gimple_split_edge): Upate.
19562         (move_sese_region_to_fn): Upate.
19563         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
19564         * tree-eh.c (lower_resx): Upate.
19565         (cleanup_empty_eh_move_lp): Upate.
19566         * tree-if-conv.c (version_loop_for_if_conversion): Update.
19567         * tree-inline.c (copy_edges_for_bb): Update.
19568         (copy_cfg_body): Update.
19569         * tree-parloops.c (gen_parallel_loop): Update.
19570         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
19571         (gimple_gen_time_profiler): Update.
19572         * tree-ssa-dce.c (remove_dead_stmt): Update.
19573         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
19574         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
19575         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
19576         (unloop_loops): Update.
19577         (try_peel_loop): Update.
19578         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
19579         * tree-ssa-loop-split.c (connect_loops): Update.
19580         (split_loop): Update.
19581         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
19582         (hoist_guard): Update.
19583         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
19584         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
19585         (value_replacement): Update.
19586         * tree-ssa-reassoc.c (branch_fixup): Update.
19587         * tree-ssa-tail-merge.c (replace_block_by): Update.
19588         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
19589         (create_edge_and_update_destination_phis): Update.
19590         (compute_path_counts): Update.
19591         (recompute_probabilities): Update.
19592         (update_joiner_offpath_counts): Update.
19593         (freqs_to_counts_path): Update.
19594         (duplicate_thread_path): Update.
19595         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
19596         (struct switch_conv_info): Update.
19597         (gen_inbound_check): Update.
19598         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
19599         (vect_do_peeling): Update.
19600         (vect_loop_versioning): Update.
19601         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
19602         (optimize_mask_stores): Update.
19603         * ubsan.c (ubsan_expand_null_ifn): Update.
19604         * value-prof.c (gimple_divmod_fixed_value): Update.
19605         (gimple_divmod_fixed_value_transform): Update.
19606         (gimple_mod_pow2): Update.
19607         (gimple_mod_pow2_value_transform): Update.
19608         (gimple_mod_subtract): Update.
19609         (gimple_mod_subtract_transform): Update.
19610         (gimple_ic): Update.
19611         (gimple_stringop_fixed_value): Update.
19612         (gimple_stringops_transform): Update.
19613         * value-prof.h: Update.
19615 2017-06-29  Carl Love  <cel@us.ibm.com>
19617         * config/rs6000/rs6000-c.c: Add support for built-in functions
19618         vector signed int vec_signed (vector float);
19619         vector signed long long vec_signed (vector double);
19620         vector signed int vec_signed2 (vector double, vector double);
19621         vector signed int vec_signede (vector double);
19622         vector signed int vec_signedo (vector double);
19623         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
19624         instruction generator.
19625         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
19626         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
19627         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
19628         Add define_insn.
19629         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
19630         vunsignede_v2df): Add define_expands.
19631         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
19632         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
19633         VEC_UNSIGNEDO): Add definitions.
19634         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
19635         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
19636         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
19637         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
19638         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
19639         * config/rs6000/altivec.h (vec_signed, vec_signed2,
19640         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
19641         vec_unsignede, vec_unsignedo): Add builtin defines.
19642         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
19643         declaration.
19644         * doc/extend.texi: Update the built-in documentation file for the
19645         new built-in functions.
19647 2017-06-29  Richard Biener  <rguenther@suse.de>
19649         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
19650         reduction chains to LOOP_VINFO_REDUCTIONS.
19651         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
19652         SLP reductions after processing reduction chains.
19654 2017-06-29  Nathan Sidwell  <nathan@acm.org>
19656         * builtins.c (fold_builtin_FUNCTION): Use
19657         lang_hooks.decl_printable_name.
19659 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
19661         PR middle-end/81194
19662         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
19663         with only one label.
19664         * stmt.c (expand_case): Assert NCASES is greater than one.
19666 2017-06-29  Richard Biener  <rguenther@suse.de>
19668         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
19669         anything.
19670         (group_case_labels): Likewise.
19671         (find_taken_edge): Push sanity checking on val to workers...
19672         (find_taken_edge_cond_expr): ... here
19673         (find_taken_edge_switch_expr): ... and here, handle cases
19674         with just a default label.
19675         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
19676         (group_case_labels): Likewise.
19677         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
19678         group_case_labels does anything cleanup the CFG again.
19680 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
19682         PR tree-optimization/81196
19683         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
19684         exit condition comparing two IVs.
19686 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
19688         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
19689         profile to the dummy entry at the end of the list of architectures.
19690         * config/arm/arm-cpu-cdata.h: Regenerated.
19692 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19693             Michael Collison <michael.collison@arm.com>
19695         PR target/70119
19696         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
19697         New pattern.
19698         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
19699         (*aarch64_reg_<mode>3_minus_mask): New pattern.
19700         (*aarch64_<optab>_reg_di3_mask2): New pattern.
19701         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
19702         of shift when the shift amount is masked with constant equal to
19703         the size of the mode.
19704         * config/aarch64/predicates.md (subreg_lowpart_operator): New
19705         predicate.
19707 2017-06-29  Martin Liska  <mliska@suse.cz>
19709         * config/i386/i386.opt: Change range from [1,5] to [0,5].
19711 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
19713         PR bootstrap/80565
19714         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
19715         code.
19716         * ipa-inline.h
19717         (edge_growth_cache_entry::edge_growth_cache_entry): New
19718         function.
19719         (reset_edge_growth_cache): Update to use constructor.
19721 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19723         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
19724         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
19725         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
19727 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
19729         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
19730         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
19732 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
19734         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
19735         (*-linux-uclibc*): Add t-uclibc tmake_file.
19736         * config/t-musl: New.
19737         * config/t-uclibc: New.
19739 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
19741         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
19742         context.
19743         (gen_comm_data): Emit architectural setting of arch_prof.
19744         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
19745         profile.
19746         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
19747         (armv8-m.base, armv8-m.main): Likewise.
19748         * arm-protos.h (arm_build_target): Add profile field.
19749         (arch_option): Likewise.
19750         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
19751         the active target.
19752         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
19753         arm_active_target.profile.
19755 2017-06-28  Richard Biener  <rguenther@suse.de>
19757         PR middle-end/81227
19758         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
19759         TYPE_OVERFLOW_WRAPS.
19760         * match.pd (negate_expr_p): Likewise.
19761         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
19762         fold_build2, not fold_binary.
19764 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
19766         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
19767         Convert memory address to Pmode.
19768         (aarch64_print_operand): Assert MEM operands are always Pmode.
19770 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
19772         PR target/79665
19773         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
19774         Remove redundant if.
19775         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
19776         * config/arm/aarch-common-protos.h
19777         (aarch_forward_to_shift_is_not_shifted_re): Remove.
19778         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
19780 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
19782         PR ipa/81238
19783         * multiple_target.c (create_dispatcher_calls): Set the default
19784         clone to be static, not public.
19786 2017-06-28  Richard Biener  <rguenther@suse.de>
19788         * tree-vect-loop.c (vectorizable_reduction): Move special
19789         cond reduction IV var creation ...
19790         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
19791         parameter.  Use STMT_VINFO_VECTYPE.
19792         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
19793         constant_p.
19795 2017-06-28  Martin Liska  <mliska@suse.cz>
19797         PR ipa/81128
19798         * ipa-visibility.c (non_local_p): Handle visibility.
19800 2017-06-28  Martin Liska  <mliska@suse.cz>
19802         PR driver/79659
19803         * common.opt: Add IntegerRange to various options.
19804         * opt-functions.awk (integer_range_info): New function.
19805         * optc-gen.awk: Add integer_range_info to cl_options struct.
19806         * opts-common.c (decode_cmdline_option): Handle
19807         CL_ERR_INT_RANGE_ARG.
19808         (cmdline_handle_error): Likewise.
19809         * opts.c (print_filtered_help): Show valid interval in
19810         when --help is provided.
19811         * opts.h (struct cl_option): Add range_min and range_max fields.
19812         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
19814 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
19816         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
19817         (x * C EQ/NE y * C): New transformation.
19819 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
19821         * genmultilib (combination_space): Accept '+' in option names.
19823 2017-06-28  Martin Liska  <mliska@suse.cz>
19825         PR sanitizer/81224
19826         * asan.c (instrument_derefs): Bail out inner references
19827         that are hard register variables.
19829 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
19831         PR target/81175
19832         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
19833         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
19835 2017-06-28  Richard Biener  <rguenther@suse.de>
19837         * tree-vectorizer.h (vect_get_vec_defs): Remove.
19838         (vect_get_slp_defs): Adjust.
19839         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
19840         out from ...
19841         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
19842         simplify.
19843         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
19844         get_initial_defs_for_reduction instead of vect_get_vec_defs.
19845         (vectorizable_reduction): Adjust.
19846         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
19847         handling.
19848         (vect_get_slp_defs): Likewise.
19849         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
19850         (vectorizable_bswap): Adjust.
19851         (vectorizable_call): Likewise.
19852         (vectorizable_conversion): Likewise.
19853         (vectorizable_assignment): Likewise.
19854         (vectorizable_shift): Likewise.
19855         (vectorizable_operation): Likewise.
19856         (vectorizable_store): Likewise.
19857         (vectorizable_condition): Likewise.
19858         (vectorizable_comparison): Likewise.
19860 2017-06-28  Michael Collison  <michael.collison@arm.com>
19862         PR target/68535
19863         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
19864         set of base_reg
19865         (arm_gen_movmemqi): Removed unused variable 'i'.
19866         Convert 'for' loop into 'while' loop.
19867         (arm_expand_prologue): Remove last unnecessary set of insn.
19868         (thumb_pop): Remove unused variable 'pushed_words'.
19869         (thumb_exit): Remove last unnecessary set of regs_to_pop.
19871 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19873         * config/s390/predicates.md: Use s390_rel_address_ok_p.
19874         * config/s390/s390-protos.h: Add prototype of
19875         s390_rel_address_ok_p.
19876         * config/s390/s390.c (s390_got_symbol): New function.
19877         (s390_rel_address_ok_p): New function.
19878         (legitimize_pic_address): Use s390_rel_address_ok_p.
19879         (s390_load_got): Use s390_got_symbol.
19880         (s390_option_override): Issue error if
19881         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
19882         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
19883         New macro.
19884         * config/s390/s390.opt: New option mpic-data-is-text-relative.
19886 2017-06-27  Andrew Pinski  <apinski@cavium.com>
19888         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
19889         (X * copysign (1.0, X)): New pattern.
19890         (X * copysign (1.0, -X)): New pattern.
19891         (copysign (-1.0, CST)): New pattern.
19893 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
19895         * genmultilib (combination_space): Remove variable.
19896         Validate reuse rules against regular expression for any sequence
19897         of multilib options in any order.
19899 2017-06-27  Michael Collison  <michael.collison@arm.com>
19901         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
19902         call aarch64_split_simd_combine.
19903         * (aarch64_combine_internal<mode>): Delete pattern.
19904         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
19905         Allow register and subreg operands.
19907 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
19909         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
19910         specific need, just fallback on defaults.
19911         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
19913 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
19914             Olivier Hainque  <hainque@adacore.com>
19916         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
19917         map for 64bits.
19918         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
19919         targets. Pick a default if no particular attempt applied.
19920         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
19921         larger contexts.
19923 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
19925         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
19926         (x86_64-wrs-vxworks7): Likewise.
19928 2017-06-27  Marek Polacek  <polacek@redhat.com>
19930         PR sanitizer/81223
19931         * ubsan.c (instrument_null): Check get_base_address's result for null.
19933 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
19935         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
19937 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
19939         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
19940         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
19941         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
19942         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
19943         New function types.
19944         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
19945         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
19946         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
19947         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
19948         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
19949         BUILT_IN_FEUPDATEENV): New builtins.
19950         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
19951         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
19952         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
19953         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
19954         macros.
19955         (builtin_structptr_types): Adjust size.
19956         * tree.c (builtin_structptr_types): Add four entries.
19958 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
19959             Olivier Hainque  <hainque@adacore.com>
19961         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
19962         (TLS_SYM): New local macro, forcing reference to __tls__ on
19963         link command lines for VxWorks 7 RTPs, triggering initialization
19964         of tlsLib.
19965         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
19966         OS features TLS support, true for RTPs on VxWorks 7.
19967         * config/vxworks.c (vxworks_override_options): Setup emutls
19968         accordingly.
19970 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
19972         * predict.c (test_prediction_value_range): Use -1U instead of -1
19973         to avoid narrowing conversion warning.
19974         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
19975         to avoid narrowing conversion warning.
19976         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
19977         -1.
19978         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
19980 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
19982         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
19983         64bit configurations.
19984         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
19985         (SIZE_TYPE): Likewise.
19986         * config/vxworks.c (vxworks_emutls_var_fields): Use
19987         long_unsigned_type_node instead of unsigned_type_node as the offset
19988         field type, which is "pointer" mode in emutls.c.
19990 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
19992         PR sanitizer/81209
19993         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
19995         PR middle-end/81207
19996         * gimple-fold.c (replace_call_with_call_and_fold): Handle
19997         gimple_vuse copying separately from gimple_vdef copying.
19999 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
20001         * value-prof.c (free_hist): Remove call to memset and the enclosing if
20002         condition.
20004 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
20005             Olivier Hainque  <hainque@adacore.com>
20007         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
20008         for all vxworks7 targets.
20009         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
20010         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
20011         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
20012         variations for VX6/VX7 and 32/64bits later on in ...
20013         (VXWORKS_LIB_SPEC): Leverage new macros.
20014         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
20015         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
20017 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
20019         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
20020         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
20022 2017-06-26  Carl Love  <cel@us.ibm.com>
20024         * config/rs6000/rs6000-c.c: Add support for built-in functions
20025         vector bool char vec_reve (vector bool char);
20026         vector signed char vec_reve (vector signed char);
20027         vector unsigned char vec_reve (vector unsigned char);
20028         vector bool int vec_reve (vector bool int);
20029         vector signed int vec_reve (vector signed int);
20030         vector unsigned int vec_reve (vector unsigned int);
20031         vector bool long long vec_reve (vector bool long long);
20032         vector signed long long vec_reve (vector signed long long);
20033         vector unsigned long long vec_reve (vector unsigned long long);
20034         vector bool short vec_reve (vector bool short);
20035         vector signed short vec_reve (vector signed short);
20036         vector double vec_reve (vector double);
20037         vector float vec_reve (vector float);
20038         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
20039         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
20040         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
20041         (altivec_vreve): New pattern.
20042         * config/rs6000/altivec.h (vec_reve): New define.
20043         * doc/extend.texi (vec_rev): Update the built-in documentation file
20044         for the new built-in functions.
20046 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20048         PR tree-optimization/71815
20049         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
20050         function.
20051         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
20052         has_single_use.
20053         (slsr_process_phi): Likewise.
20054         (replace_uncond_cands_and_profitable_phis): Don't replace a
20055         multiply candidate with a stride of 1 (copy or cast).
20056         (phi_incr_cost): Call uses_consumed_by_stmt rather than
20057         has_single_use.
20058         (lowest_cost_path): Likewise.
20059         (total_savings): Likewise.
20061 2017-06-26  Richard Biener  <rguenther@suse.de>
20063         PR target/81175
20064         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
20065         Use def_builtin_pure for all gather builtins.
20067 2017-06-26  Richard Biener  <rguenther@suse.de>
20069         PR tree-optimization/81203
20070         * tree-tailcall.c (find_tail_calls): Do not move stmts into
20071         non-dominating BBs.
20073 2017-06-26  Marek Polacek  <polacek@redhat.com>
20075         PR c/80116
20076         * doc/invoke.texi: Document -Wmultistatement-macros.
20078 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
20080         * doc/sourcebuild.texi (ARM-specific attributes): Document new
20081         arm_neon_ok_no_float_abi effective target.
20083 2017-06-26  Richard Biener  <rguenther@suse.de>
20085         PR tree-optimization/80928
20086         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
20087         (copy_bbs): Set BB_DUPLICATED flag early.
20088         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
20089         marked blocks.
20090         (execute_on_shrinking_pred): Likewise.
20091         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
20092         BB_DUPLICATED blocks.
20093         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
20094         iterate over all PHIs considering removal of *gsi.
20096 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
20098         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
20099         qdf24xx.
20101 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20103         * config/rs6000/rs6000-string.c: (expand_block_clear,
20104         do_load_for_compare, select_block_compare_mode,
20105         compute_current_alignment, expand_block_compare,
20106         expand_strncmp_align_check, expand_strn_compare,
20107         expand_block_move, rs6000_output_load_multiple)
20108         Move functions related to string/block move/compare
20109         to a separate file.
20110         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
20111         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
20112         for this function which is now used in two files.
20113         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
20114         * config.gcc: Add rs6000-string.o to extra_objs for
20115         targets powerpc*-*-* and rs6000*-*-*.
20117 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
20119         PR target/80510
20120         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
20121         32-bit, since indexed is not valid for DImode.
20122         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
20123         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
20124         (define_peephole2 for Altivec d-form load): Add 32-bit support.
20125         (define_peephole2 for Altivec d-form store): Likewise.
20127         PR ipa/81185
20128         * multiple_target.c (create_dispatcher_calls): Only create the
20129         dispatcher call if the function is the default clone of a
20130         versioned function.
20132 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
20134         PR middle-end/80902
20135         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
20136         a call, force the call to not be a tail call.
20138 2017-06-23  Jeff Law  <law@redhat.com>
20140         * doc/contrib.texi: Add entry for Steven Pemberton's work on
20141         enquire.
20143 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
20145         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
20146         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
20147         handling for early expansion of vector shifts (sl,sr,sra,rl).
20148         (builtin_function_type): Add vector shift right instructions
20149         to the unsigned argument list.
20151 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
20153         rtl-optimizatoin/79286
20154         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
20155         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
20156         trap.  PIC register plus a const unspec without offset can never trap.
20158 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
20160         * tree.h (builtin_structptr_type): New type.
20161         (builtin_structptr_types): Declare new array.
20162         * tree.c (builtin_structptr_types): New array.
20163         (free_lang_data, build_common_tree_nodes): Use it.
20165 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
20167         PR c++/81187
20168         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
20169         -Wnoexcept.
20171 2017-06-22  Matt Turner  <mattst88@gmail.com>
20173         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
20174         Lake models to skylake case.  Assume skylake for unknown
20175         models with clflushopt.
20177 2017-06-22  Jeff Law  <law@redhat.com>
20179         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
20180         frame sizes that do not satisfy aarch64_uimm12_shift.
20182 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
20184         * profile-count.h (apply_probability,
20185         apply_scale, probability_in): Fix checks for zero.
20187 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20189         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
20190         * doc/cppdiropts.texi (-I @var{dir}): Document it.
20192 2016-06-22  Richard Biener  <rguenther@suse.de>
20194         * tree-vect-loop.c (vect_model_reduction_cost): Handle
20195         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
20196         REDUC_MAX_EXPR support.
20197         (vectorizable_reduction): Likewise.
20198         (vect_create_epilog_for_reduction): Likewise.
20200 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
20202         * match.pd (A / (1 << B) -> A >> B): New.
20203         * generic-match-head.c: Include optabs-tree.h.
20204         * gimple-match-head.c: Likewise.
20205         * optabs-tree.h (target_supports_op_p): New.
20206         * optabs-tree.c (target_supports_op_p): New.
20208 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20210         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
20211         $gcc_cv_ld --help output.
20212         (gcc_cv_ld_demangle): Likewise.
20213         (gcc_cv_ld_eh_frame_hdr): Likewise.
20214         (gcc_cv_ld_pie): Likewise.
20215         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
20216         (gcc_cv_ld_buildid): Likewise.
20217         (gcc_cv_ld_sysroot): Likewise.
20218         (ld_bndplt_support): Likewise.
20219         (ld_pushpopstate_support): Likewise.
20220         * configure: Regenerate.
20221         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
20223 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
20225         PR target/81151
20226         * config/i386/sse.md (round<mode>2): Renumber match_dup and
20227         operands indexes to avoid gap between operands and match_dups.
20229 2017-06-21  Andrew Pinski  <apinski@cavium.com>
20231         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
20232         Increment Arith_shift and Arith_shift_reg by 1.
20233         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
20234         New tuning flag.
20235         * config/aarch64/aarch64.c (thunderx_tunings): Enable
20236         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
20237         (aarch64_strip_extend): Add new argument and test for it.
20238         (aarch64_cheap_mult_shift_p): New function.
20239         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
20240         add a cost if it is true.
20241         Update calls to aarch64_strip_extend.
20242         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
20244 2017-06-21  Andrew Pinski  <apinski@cavium.com>
20246         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
20247         tunings.
20248         (thunderxt88): Likewise.
20249         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
20250         (thunderx_prefetch_tune): New variable.
20251         (thunderx2t99_prefetch_tune): Update for the correct values.
20252         (thunderxt88_tunings): New variable.
20253         (thunderx_tunings): Use thunderx_prefetch_tune instead of
20254         generic_prefetch_tune.
20255         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
20257 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20259         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
20260         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
20261         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
20262         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
20263         (aarch64_atomic_cas<mode>, GPI): Likewise.
20265 2017-06-21  Martin Liska  <mliska@suse.cz>
20267         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
20268         statements on cold and hot labels.
20269         * predict.c (tree_estimate_probability_bb): Remove the
20270         prediction from this place.
20272 2017-06-21  Martin Liska  <mliska@suse.cz>
20274         PR tree-optimization/79489
20275         * gimplify.c (maybe_add_early_return_predict_stmt): New
20276         function.
20277         (gimplify_return_expr): Call the function.
20278         * predict.c (tree_estimate_probability_bb): Remove handling
20279         of early return.
20280         * predict.def: Update comment about early return predictor.
20281         * gimple-predict.h (is_gimple_predict): New function.
20282         * predict.def: Change default value of early return to 66.
20283         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
20284         statements.
20285         * passes.def: Put pass_strip_predict_hints to the beginning of
20286         IPA passes.
20288 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
20290         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
20291         FUNCTION_DECL declarations.
20292         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
20293         declarations.
20294         (dwaf2out_decl): Likewise.
20295         * godump.c (go_early_global_decl): Skip call to the real debug hook
20296         for FUNCTION_DECL declarations.
20297         * passes.c (rest_of_decl_compilation): Skip call to the
20298         early_global_decl debug hook for FUNCTION_DECL declarations, unless
20299         -fdump-go-spec is passed.
20301 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
20303         * config/i386/i386.c (struct builtin_isa): New field pure_p.
20304         Reorder for compactness.
20305         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
20306         (def_builtin_pure, def_builtin_pure2): New functions.
20307         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
20309 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
20311         * match.pd (nop_convert): New predicate.
20312         ((A +- CST1) +- CST2): Allow some NOP conversions.
20314 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
20316         PR c++/81130
20317         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
20318         with ctors/dtors if GOVD_SHARED is set.
20320 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
20322         * config/aarch64/aarch64.md (movti_aarch64):
20323         Emit mov rather than orr.
20324         (movtf_aarch64): Likewise.
20325         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
20326         Emit mov rather than orr.
20328 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
20330         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
20331         Swap alternatives, make integer dup more expensive.
20333 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
20335         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
20336         Return true for non-tls symbols.
20338 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
20340         * config/aarch64/aarch64-cores.def (cortex-a55): New.
20341         (cortex-a75): Likewise.
20342         (cortex-a75.cortex-a55): Likewise.
20343         * config/aarch64/aarch64-tune.md: Regenerate.
20344         * doc/invoke.texi (-mtune): Document new values for -mtune.
20346 2017-06-21  Tom de Vries  <tom@codesourcery.com>
20348         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
20349         stack_size feature.
20350         (Effective-Target Keywords, Other attributes): Suggest using
20351         dg-add-options stack_size feature to get stack limit in stack_size
20352         effective target documentation.
20354 2017-06-21  Julian Brown  <julian@codesourcery.com>
20355             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
20357         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
20358         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
20359         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
20360         reservation.
20361         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
20362         attribute type list for neon_multiply.
20363         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
20364         attribute type list for neon_multiply.
20365         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
20366         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
20367         attribute type list for neon_multiply.
20368         * config/arm/types.md (crypto_pmull): Add.
20369         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
20370         attribute type list.
20372 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
20374         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
20375         arm1176jzf-s.
20377 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
20379         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
20380         to make sure not to dereference a NULL cost_classes_ptr pointer.
20382 2017-06-20  Carl Love  <cel@us.ibm.com>
20384         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
20385         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
20386         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
20387         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
20388         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
20389         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
20390         VMULOSW): New enum "unspec" values.
20391         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
20392         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
20393         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
20394         altivec_vmulosw): New patterns.
20395         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
20396         VMULOSW): Add definitions.
20398 2017-06-20  Julia Koval  <julia.koval@intel.com>
20400         * config/i386/i386.c: Fix rounding expand for new pattern.
20401         * config/i386/subst.md: Fix pattern (parallel -> unspec).
20403 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20405         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
20406         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
20408 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20410         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
20411         feature string.
20413 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
20415         * config/aarch64/aarch64-cores.def: Rearrange to sort by
20416         architecture, then by implementer ID.
20417         * config/aarch64/aarch64-tune.md: Regenerate.
20419 2017-06-20  Richard Biener  <rguenther@suse.de>
20421         PR middle-end/81097
20422         * fold-const.c (split_tree): Fold to type before negating.
20424 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
20426         * diagnostic-show-locus.c
20427         (selftest::test_fixit_deletion_affecting_newline): New function.
20428         (selftest::diagnostic_show_locus_c_tests): Call it.
20430 2017-06-20  Andreas Schwab  <schwab@suse.de>
20432         PR target/80970
20433         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
20434         instead of "+d".
20436 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
20438         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
20439         __ARM_FEATURE_COPROC according to support.
20441 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
20443         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
20444         Rewritten to avoid overflow for > 32-bit pointers.
20446         PR sanitizer/81125
20447         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
20448         by removing enum keyword.
20449         (ubsan_type_descriptor): Likewise.  Formatting fix.
20451         PR target/81121
20452         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
20453         splitter): Require TARGET_SSE2 in the condition.
20455 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
20457         PR target/79799
20458         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
20459         for doing vector set of SFmode on ISA 3.0.
20460         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
20461         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
20462         element.
20463         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
20464         SFmode value into a V4SF variable that was extracted from another
20465         V4SF variable without converting the element to double precision
20466         and back to single precision vector format.
20467         (vsx_insert_extract_v4sf_p9_2): Likewise.
20469 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
20471         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
20472         in UWHI to avoid undefined overflow.
20474         PR sanitizer/81125
20475         * ubsan.h (enum ubsan_encode_value_phase): New.
20476         (ubsan_encode_value): Change second argument to
20477         enum ubsan_encode_value_phase with default value of
20478         UBSAN_ENCODE_VALUE_GENERIC.
20479         * ubsan.c (ubsan_encode_value): Change second argument to
20480         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
20481         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
20482         create_tmp_var_raw instead of create_tmp_var and use a
20483         TARGET_EXPR.
20484         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
20485         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
20486         ubsan_encode_value callers.
20488         PR sanitizer/81111
20489         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
20490         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
20491         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
20493 2017-06-19  Richard Biener  <rguenther@suse.de>
20495         PR middle-end/81118
20496         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
20497         estimates if we changed anything.
20499 2017-06-19  Richard Biener  <rguenther@suse.de>
20501         PR tree-optimization/80887
20502         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
20503         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
20504         simplified lookups, then reset mprts_hook.
20505         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
20506         simplifying.
20507         (try_to_simplify): Likewise.
20509 2017-06-19  Martin Liska  <mliska@suse.cz>
20511         PR sanitizer/80879
20512         * gimplify.c (gimplify_switch_expr):
20513         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
20515 2017-06-19  Martin Liska  <mliska@suse.cz>
20517         * doc/install.texi: Document that PGO runs in 4 stages.
20519 2017-06-19  Martin Liska  <mliska@suse.cz>
20521         PR ipa/80732
20522         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
20523         to dispatcher function name.
20524         * multiple_target.c (replace_function_decl): New function.
20525         (create_dispatcher_calls): Redirect both edges and references.
20527 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
20529         * profile-count.c (profile_count::dump): Dump quality.
20530         (profile_count::differs_from_p): Update for unsigned val.
20531         * profile-count.h (profile_count_quality): New enum.
20532         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
20534 2017-06-19  Richard Biener  <rguenther@suse.de>
20536         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
20537         struct function as arg.
20538         (estimate_numbers_of_iterations): Export overload with loop arg.
20539         (free_numbers_of_iterations_estimates_loop): Use an overload of
20540         free_numbers_of_iterations_estimates instead.
20541         * tree-cfg.c (remove_bb): Adjust.
20542         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
20543         * tree-parloops.c (gen_parallel_loop): Likewise.
20544         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
20545         Likewise.
20546         (tree_unroll_loops_completely): Likewise.
20547         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
20548         Use an overload instead and export.
20549         (estimated_loop_iterations): Adjust.
20550         (max_loop_iterations): Likewise.
20551         (likely_max_loop_iterations): Likewise.
20552         (estimate_numbers_of_iterations): Take struct function as arg
20553         and adjust.
20554         (loop_exits_before_overflow): Adjust.
20555         (free_numbers_of_iterations_estimates_loop): Use an overload.
20556         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
20557         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
20559 2017-06-19  Richard Biener  <rguenther@suse.de>
20561         PR ipa/81112
20562         * ipa-prop.c (find_constructor_constant_at_offset): Handle
20563         RANGE_EXPR conservatively.
20565 2017-06-16  Carl Love  <cel@us.ibm.com>
20567         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
20568         definitions for vec_float, vec_float2, vec_floato,
20569         vec_floate built-ins.
20570         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
20571         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
20572         floate.
20573         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
20574         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
20575         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
20576         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
20577         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
20578         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
20579         vec_floato): Add builtin defines.
20580         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
20581         Update the built-in documentation file for the new built-in
20582         functions.
20584 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20586         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
20587         (mthumb): Mark as the negative of -marm.
20589 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20591         * doc/invoke.texi (ARM Options, -mcpu): Document supported
20592         extension options.
20593         (ARM Options, -mtune): Document that this accepts the same
20594         extension options as -mcpu.
20595         (ARM Options, -mfpu): Document addition of -mfpu=auto.
20597 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20599         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
20600         permitted extensions.
20602 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20604         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
20605         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
20606         (armv8-m.main): Add option +nodsp.
20607         * config/arm/arm-cpu-cdata.h: Regenerated.
20609 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20611         * config/arm/t-fuchsia: New file.
20612         * config.gcc (arm*-*-fuchsia*): Use it.
20614 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20616         * config/arm/t-symbian: Rewrite for new option infrastructure.
20618 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20620         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
20621         (MULTILIB_REQUIRED): Likewise.
20623 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20625         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
20626         (MULTILIB_RESUE): Likewise.
20627         (MULTILIB_MATCHES): Likewise.
20628         (MULTLIB_REQUIRED): Likewise.
20630 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20632         * config/arm/t-rtems: Rewrite for new option framework.
20634 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20636         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
20637         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
20638         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
20639         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
20640         * config/arm/t-multilib: ... here.
20641         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
20642         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
20643         armv7-a and armv8*-a when A-profile libraries have not been built.
20644         * config/arm/t-rmprofile: Rewrite.
20646 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20648         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
20649         with a backslash.  Remove the backslash after substituting unescaped
20650         periods.
20651         * doc/fragments.texi (MULTILIB_REUSE): Document it.
20653 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20655         * config.gcc: (arm*-*-*): When building a-profile libraries, force
20656         the driver to pass through the default setting of -mfloat-abi.
20657         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
20658         rather than NULL.
20659         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
20660         (all_feat_combs): New rule.
20661         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
20662         default libraries.
20663         * config/arm/t-aprofile: Rewrite.
20665 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20667         * config/arm/arm.h (FPUTYPE_AUTO): Define.
20668         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
20669         fpu is not specified by the user/command-line.
20670         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
20671         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
20672         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
20673         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
20674         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
20675         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
20677 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20679         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
20680         * config/arm/t-arm-elf: Rewritten.
20682 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20684         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
20685         have some floating-point instructions.
20686         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
20687         (TARGET_MAYBE_HARD_FLOAT): New macro.
20688         * config/arm/arm-builtins.c (arm_init_builtins): Use
20689         TARGET_MAYBE_HARD_FLOAT.
20690         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
20692 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20694         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
20695         (configargs.h): Include it.
20696         (arm_print_hint_for_fpu_option): New function.
20697         (arm_parse_fpu_option): New function.
20698         (candidate_extension): New class.
20699         (arm_canon_for_multilib): New function.
20700         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
20701         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
20702         (ARCH_CANONICAL_SPECS): New macro.
20703         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
20705 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20707         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
20708         are set after handling multilib fragments.  Set target_cpu_default2
20709         from with_cpu.
20711 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20713         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
20714         cpu name.
20715         (arm*-*-*): Set target_cpu_default2 to a quoted string.
20716         * config/arm/parsecpu.awk (check_cpu): Validate any extension
20717         options.
20718         (check_arch): Likewise.
20719         * config/arm/arm.c (arm_configure_build_target): Handle
20720         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
20721         options in the default.
20723 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20725         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
20726         when an option is an alias of another.
20727         * config/arm/parsecpu.awk (optalias): New parser token.
20728         (gen_comm_data): Mark non-alias options as such.  Emit entries
20729         for extension aliases.
20730         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
20731         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
20732         (armv6kz, armv6zk, armv6t2): Likewise.
20733         (armv7): Make vfpv3-d16 an alias.
20734         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
20735         canonical order.
20736         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
20737         Sort in canonical order.
20738         (armv8-a): Sort in canonical order.
20739         (armv8.1-a, armv8.2-a):  Likewise.
20740         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
20741         canonical order.
20742         (cortex-a9): Sort in canonical order.
20743         * config/arm/arm.c (selftests.h): Include it.
20744         (arm_test_cpu_arch_data): New function.
20745         (arm_run_self_tests): New function.
20746         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
20747         (targetm): Move declaration to the end of the file.
20748         * arm-cpu-cdata.h: Regenerated.
20750 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20752         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
20753         call to target_mode_check describing the type of option passed.
20754         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
20755         (arm_target_thumb_only): Use arm_parse_arch_option_name or
20756         arm_parse_cpu_option_name to match parameters against list of
20757         available targets.
20758         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
20759         arm_arch_core_flags data structure.
20760         * config/arm/arm-cpu_cdata.h: Regenerated.
20762 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20764         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
20765         config/arm/arm.c.
20766         (arm_print_hint_for_cpu_option): Likewise.
20767         (arm_print_hint_for_arch_option): Likewise.
20768         (arm_parse_cpu_option_name): Likewise.
20769         (arm_parse_arch_option_name): Likewise.
20770         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
20771         of entries in the all_fpus list.
20772         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
20773         (arm_parse_cpu_option_name): Declare.
20774         (arm_parse_arch_option_name): Declare.
20775         (arm_parse_option_features): Declare.
20776         (arm_intialize_isa): Declare.
20777         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
20778         data tables to ...
20779         (gen_comm_data): ... here.  Make definitions non-static.
20780         * config/arm/arm-cpu-data.h: Regenerated.
20781         * config/arm/arm-cpu-cdata.h: Regenerated.
20783 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20785         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
20786         (cpu_arch_extension): New structure.
20787         (cpu_arch_option, arch_option, cpu_option): New structures.
20788         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
20789         architecture types.
20790         (gen_data): Generate new format data tables.
20791         * config/arm/arm.c (cpu_tune): New structure.
20792         (cpu_option, processors): Delete.
20793         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
20794         (arm_print_hint_for_cpu_option): ... this and ...
20795         (arm_print_hint_for_arch_option): ... this.
20796         (arm_parse_arch_cpu_name): Delete.  Replace with ...
20797         (arm_parse_cpu_option_name): ... this and ...
20798         (arm_parse_arch_option_name): ... this.
20799         (arm_unrecognized_feature): Change type of target parameter to
20800         cpu_arch_option.
20801         (arm_parse_arch_cpu_features): Delete.  Replace with ...
20802         (arm_parse_option_features): ... this.
20803         (arm_configure_build_target): Rework to use new configuration data
20804         tables.
20805         (arm_print_tune_info): Rework for new configuration data tables.
20806         * config/arm/arm-cpu-data.h: Regenerated.
20807         * config/arm/arm-cpu.h: Regenerated.
20809 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20811         * Makefile.in (OBJS): Move sbitmap.o from here ...
20812         (OBJS-libcommon): ... to here.
20814 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20816         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
20817         (ISA_ALL_CRYPTO): New macro.
20818         (ISA_ALL_SIMD): New macro
20819         (ISA_ALL_FP): New macro.
20820         * config/arm/arm.c (fpu_bitlist): Update initializer.
20821         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
20822         simd or fp.
20823         (arm9e): Add fpu.  Add option for nofp
20824         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
20825         (arm926ej-s, arm1026ej-s): Likewise.
20826         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
20827         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
20828         neon-fp16, neon-vfpv4, nofp and nosimd.
20829         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
20830         (cortex-a8): Add fpu.  Add option for nofp.
20831         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
20832         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
20833         (cortex-r4f): Add fpu.
20834         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
20835         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
20836         for nofp.
20837         (cortex-r8): Likewise.
20838         (cortex-m4): Add fpu.  Add option for nofp.
20839         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
20840         (cortex-a17.cortex-a7): Likewise.
20841         (cortex-a32): Add fpu.  Add options for crypto and nofp.
20842         (cortex-a35, cortex-a53): Likewise.
20843         (cortex-a57): Add fpu.  Add option for crypto.
20844         (cortex-a72, cortex-a73): Likewise.
20845         (exynos-m1): Likewise.
20846         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
20847         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
20848         (cortex-m33): Add fpu.  Add option for nofp.
20849         * config/arm/arm-cpu-cdata.h: Regenerated
20850         * config/arm/arm-cpu-data.h: Regenerated.
20852 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20854         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
20855         (armv5te, armv5tej): Likewise.
20856         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
20857         (armv7): Add options fp and vfpv3-d16.
20858         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
20859         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
20860         nofp and nosimd.
20861         (armv7ve): Likewise.
20862         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
20863         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
20864         (armv8-a): Add nocrypto option.
20865         (armv8.1-a, armv8.2-a): Likewise.
20866         (armv8-m.main): add options fp, fp.dp and nofp.
20868 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20870         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
20871         nofp.
20872         (armv8-a+crc): Delete.
20873         (armv8.1-a): Add options simd, crypto and nofp.
20874         (armv8.2-a): Add options fp16, simd, crypto and nofp.
20875         (armv8.2-a+fp16): Delete.
20876         (armv8-m.main): Add option dsp.
20877         (armv8-m.main+dsp): Delete.
20878         (cortex-a8): Add fpu.  Add nofp option.
20879         (cortex-a9): Add fpu.  Add nofp and nosimd options.
20880         * config/arm/parsecpu.awk (gen_data): Generate option tables and
20881         link to main cpu and architecture data structures.
20882         (gen_comm_data): Only put isa attributes from the main architecture
20883         in common tables.
20884         (option): New statement for architecture and CPU entries.
20885         * arm.c (struct cpu_option): New structure.
20886         (struct processors): Add entry for options.
20887         (arm_unrecognized_feature): New function.
20888         (arm_parse_arch_cpu_name): Ignore any characters after the first
20889         '+' character.
20890         (arm_parse_arch_cpu_feature): New function.
20891         (arm_configure_build_target): Separate out any CPU and architecture
20892         features and parse separately.  Don't error out if -mfpu=auto is
20893         used with only an architecture string.
20894         (arm_print_asm_arch_directives): New function.
20895         (arm_file_start): Call it.
20896         * config/arm/arm-cpu-cdata.h: Regenerated.
20897         * config/arm/arm-cpu-data.h: Likewise.
20898         * config/arm/arm-tables.opt: Likewise.
20900 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20902         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
20903         assembler when it is not -mfpu=auto.
20905 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20907         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
20908         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
20909         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
20910         (ASM_CPU_SPEC): Rewrite.
20911         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
20912         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
20913         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
20914         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
20915         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
20916         copied string is NUL-terminated.  Also strip any characters prefixed
20917         by '+'.
20918         (arm_rewrite_selected_arch): New function.
20919         (arm_rewrite_march): New function.
20921 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
20923         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
20924         (x_arm_cpu_string, x_arm_tune_string): Likewise.
20925         (march, mcpu, mtune): Convert to string-based options.
20926         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
20927         (arm_parse_arch_cpu_name): New function.
20928         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
20929         identify selected architecture or CPU.
20930         (arm_option_save): New function.
20931         (TARGET_OPTION_SAVE): Redefine.
20932         (arm_option_restore): Restore string options.
20933         (arm_option_print): Print string options.
20935 2017-06-16  Martin Sebor  <msebor@redhat.com>
20937         PR tree-optimization/80933
20938         PR tree-optimization/80934
20939         * builtins.c (fold_builtin_3): Do not handle bcmp here.
20940         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
20941         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
20942         (gimple_fold_builtin): Call them.
20944 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20946         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
20947         as unlikely; update profile.
20949 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20951         * predict.c (force_edge_cold): Handle declaring edges impossible
20952         more aggresively.
20954 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20956         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
20957         profile.
20958         (try_unroll_loop_completely): Fix reporting.
20960 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20962         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
20964 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
20966         PR target/71778
20967         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
20968         if given a non-constant argument for an intrinsic which requires a
20969         constant.
20971 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20973         * profile.c (compare_freqs): New function.
20974         (branch_prob): Sort edge list.
20975         (find_spanning_tree): Assume that the list is priority sorted.
20977 2017-06-16  Richard Biener  <rguenther@suse.de>
20979         PR tree-optimization/81090
20980         * passes.def (pass_record_bounds): Remove.
20981         * tree-pass.h (make_pass_record_bounds): Likewise.
20982         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
20983         make_pass_record_bounds): Likewise.
20984         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
20985         not free niter estimates at the beginning but at the end.
20986         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
20988 2017-06-16  Richard Biener  <rguenther@suse.de>
20990         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
20991         initializer to workaround ICE in host GCC 4.8.
20993 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
20995         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
20996         counts.
20997         (clone_inlined_nodes): Update.
20999 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
21001         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
21002         prefetch settings, and enable prefetching by default at -O3.
21004 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
21006         * config/aarch64/aarch64.c (aarch64_override_options_internal):
21007         Set flag_prefetch_loop_arrays according to tuning data.
21009 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
21011         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
21012         New tune structure.
21013         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
21014         [Unrelated to main purpose of the patch] Place the pointer field last
21015         to enable type checking errors when tune structure are wrongly merged.
21016         * config/aarch64/aarch64.c (generic_prefetch_tune,)
21017         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
21018         (thunderx2t99_prefetch_tune): New tune constants.
21019         (tune_params *_tunings): Update all tunings (no functional change).
21020         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
21021         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
21022         from tunings structures.
21024 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
21026         PR sanitizer/81094
21027         * ubsan.c (instrument_null): Add T argument, use it instead
21028         of computing it based on IS_LHS.
21029         (instrument_object_size): Likewise.
21030         (pass_ubsan::execute): Adjust instrument_null and
21031         instrument_object_size callers to pass gimple_get_lhs or
21032         gimple_assign_rhs1 result to it.  Use instrument_null instead of
21033         calling get_base_address and instrument_mem_ref.  Handle
21034         aggregate call arguments for object-size sanitization.
21036 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
21038         PR tree-optimization/81089
21039         * tree-vrp.c (is_masked_range_test): Validate operands of
21040         subexpression.
21042 2017-06-15  Martin Sebor  <msebor@redhat.com>
21044         PR c++/80560
21045         * dumpfile.c (dump_register): Avoid calling memset to initialize
21046         a class with a default ctor.
21047         * gcc.c (struct compiler): Remove const qualification.
21048         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
21049         * hash-table.h: Ditto.
21050         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
21051           assignment.
21052         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
21053         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
21054         default ctor.
21055         * params.h (struct param_info): Make struct members non-const.
21056         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
21057         with default initialization.
21058         * vec.h (vec_copy_construct, vec_default_construct): New helper
21059         functions.
21060         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
21061         with vec_copy_construct.
21062         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
21063         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
21064         * doc/invoke.texi (-Wclass-memaccess): Document.
21066 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
21068         * emit-rtl.h (is_leaf): Update comment about local
21069         register allocator.
21071 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
21073         PR target/78818
21074         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
21075         for a variable to have a section before checking if the section has a
21076         name.
21077         Set section to.persistent if persistent attribute is set.
21078         Warn if .persistent attribute is used on an automatic variable.
21080 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
21082         PR rtl-optimization/80474
21083         * reorg.c (update_block): Do not ignore instructions in a delay slot.
21085 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
21087         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
21088         of REGNO.
21090 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
21092         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
21093         (casesi): Emit bounds checking as RTL.
21094         (casesi_internal_mips16_<mode>): Remove bounds checking.
21096 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
21098         * config/xtensa/xtensa.c (xtensa_option_override): Append
21099         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
21100         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
21101          xtensa_doloop_hooks): Define unconditionally.
21102         (xtensa_reorg_loops): Only call reorg_loops in the presence of
21103         TARGET_LOOPS.
21104         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
21105         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
21106         for it in xtensa_option_override.
21107         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
21108          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
21110 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
21112         * doc/cppopts.texi: Document '-' special value to -MF.
21114 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
21116         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
21117         (cortex_a53_fconst): Likewise.
21118         (cortex_a53_fpmul): Likewise.
21119         (cortex_a53_f_load_64): Likewise.
21120         (cortex_a53_f_load_many): Likewise.
21121         (cortex_a53_advsimd_alu): Likewise.
21122         (cortex_a53_advsimd_alu_q): Likewise.
21123         (cortex_a53_advsimd_mul): Likewise.
21124         (cortex_a53_advsimd_mul_q): Likewise.
21125         (fpmac bypass): Add new bypass for fpmac-fpmac case.
21126         Add missing fmul, r2f_cvt and fconst cases.
21128 2017-06-14  Richard Biener  <rguenther@suse.de>
21130         PR middle-end/81088
21131         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
21132         literal constants.
21133         (fold_binary_loc): When associating do not treat pre-existing
21134         TREE_OVERFLOW on literal constants as a reason to allow
21135         TREE_OVERFLOW on associated literal constants.
21137 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
21139         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
21140         (MASK_FEATURES): New macro.
21141         * config/sparc/sparc.c (sparc_option_override): Remove the special
21142         handling of -mfpu and generalize it to all MASK_FEATURES switches.
21144 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
21146         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
21147         a division of 0 if non-call exceptions are enabled.
21149 2017-06-14  Andrew Pinski  <apinski@cavium.com>
21150             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
21152         PR target/71663
21153         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
21154         Improve vector initialization code gen for only variable case.
21156 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
21158         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
21160 2017-06-14  Richard Biener  <rguenther@suse.de>
21162         PR tree-optimization/81083
21163         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
21164         as values.
21166 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21168         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
21169         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
21170         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
21171         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
21172         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
21173         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
21175 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21177         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
21178         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
21180 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21182         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
21184 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21186         * config/rs6000/t-rtems: Don't handle SPE.
21188 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21190         * config/rs6000/t-linux: Don't handle SPE.
21192 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21194         * config/rs6000/eabispe.h: Delete file.
21196 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21198         * config/rs6000/t-spe: Delete file.
21200 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21202         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
21203         (rs6000_legitimate_offset_address_p): Return false for anything in
21204         V2SImode or V2SFmode.
21206 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
21208         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
21209         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
21210         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
21211         and V4HImode.
21212         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
21213         (rs6000_legitimate_offset_address_p): Ditto.
21214         (rs6000_emit_move): Ditto.
21215         (rs6000_init_builtins): Remove V4HI_type_node.
21217 2017-06-13  Martin Liska  <mliska@suse.cz>
21219         PR sanitize/78204
21220         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
21221         (gate_asan): Likewise.
21222         * asan.h (asan_no_sanitize_address_p): Remove the function.
21223         (sanitize_flags_p): New function.
21224         * builtins.def: Fix coding style.
21225         * common.opt: Use renamed enum value.
21226         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
21227         * doc/extend.texi: Document no_sanitize attribute.
21228         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
21229         to SANITIZE_UNDEFINED_NONDEFAULT.
21230         * gcc.c (sanitize_spec_function): Use the renamed enum value.
21231         * gimple-fold.c (optimize_atomic_compare_exchange_p):
21232         Use sanitize_flags_p.
21233         * gimplify.c (gimplify_function_tree): Likewise.
21234         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
21235         * opts.c (parse_no_sanitize_attribute): New function.
21236         (common_handle_option): Use renamed enum value.
21237         * opts.h (parse_no_sanitize_attribute): Declare.
21238         * tree.c (sanitize_flags_p): New function.
21239         * tree.h: Declared here.
21240         * tsan.c: Use sanitize_flags_p.
21241         * ubsan.c (ubsan_expand_null_ifn): Likewise.
21242         (instrument_mem_ref): Likewise.
21243         (instrument_bool_enum_load): Likewise.
21244         (do_ubsan_in_current_function): Remove the function.
21245         (pass_ubsan::execute): Use sanitize_flags_p.
21246         * ubsan.h: Remove do_ubsan_in_current_function
21247         * tree-cfg.c (print_no_sanitize_attr_value): New function.
21248         (dump_function_to_file): Use it here.
21250 2017-06-13  Martin Jambor  <mjambor@suse.cz>
21252         PR tree-optimization/80803
21253         PR tree-optimization/81063
21254         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
21255         (propagate_subaccesses_across_link): Enqueue subtree whenever
21256         necessary instead of relying on the caller.
21258 2017-06-13  Martin Jambor  <mjambor@suse.cz>
21260         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
21261         that have a first_link.
21262         (sort_and_splice_var_accesses): Do not check first_link before
21263         enquing.
21264         (subtree_mark_written_and_enqueue): Likewise.
21265         (propagate_all_subaccesses): Likewise and do not stop at first
21266         parent with a first_link.
21268 2017-06-13  Martin Jambor  <mjambor@suse.cz>
21270         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
21271         instead of f.
21273 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
21275         * match.pd: New pattern.
21277 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
21279         * tree-vrp.c (is_masked_range_test): New function.
21280         (register_edge_assert_for): Determine ranges for
21281         some bit tests.
21283 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
21285         PR tree-optimization/67328
21286         * fold-const.c (maskable_range_p): New function.
21287         (build_range_check): Generate bittests if possible.
21289 2017-06-13  Martin Liska  <mliska@suse.cz>
21291         * gimple-pretty-print.c (dump_probability): Add new argument.
21292         (dump_edge_probability): Dump both probability and count.
21293         (dump_gimple_label): Likewise.
21294         (dump_gimple_bb_header): Likewise.
21296 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
21298         PR target/81072
21299         * config/avr/avr-devices.c: Fix indentation.
21300         * config/avr/gen-avr-mmcu-specs.c: Dito.
21302 2017-06-13  Richard Biener  <rguenther@suse.de>
21304         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
21305         instead get vector type from stmt_info.
21306         (vectorizable_reduction): Adjust.  Remove dead code.
21308 2017-06-13  Richard Biener  <rguenther@suse.de>
21310         PR middle-end/81065
21311         * fold-const.c (extract_muldiv_1): Remove bogus distribution
21312         case of C * (x * C2 + C3).
21313         (fold_addr_of_array_ref_difference): Properly fold index difference.
21315 2017-06-12  David S. Miller  <davem@davemloft.net>
21317         PR target/80968
21318         * config/sparc/sparc.md (return expander): Emit frame blockage if
21319         function uses alloca.
21321 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
21323         * combine.c (make_field_assignment): Check len rather than the mode
21324         precision when calling force_to_mode.
21326 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
21328         Support multilibs and devices that see flash in RAM address range.
21330         PR target/81072
21331         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
21332         (avr_mcu_t) <flash_pm_offset>: New field.
21333         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
21334         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
21335         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
21336         (AVR_TINY_PM_OFFSET): Remove macro.
21337         * config/avr/avr.opt (-mshort-calls): New option.
21338         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
21339         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
21340         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
21341         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
21342         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
21343         instead of avr_arch->have_jmp_call.
21344         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
21345         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
21346         avr_arch->flash_pm_offset to define.
21347         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
21348         new field flash_pm_offset.  Add entry for avrxmega3.
21349         (avr_texinfo): Add entry for avrxmega3.
21350         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
21351         attiny212, attiny214,
21352         attiny412, attiny414, attiny416, attiny417,
21353         attiny814, attiny816, attiny817,
21354         attiny1614, attiny1616, attiny1617,
21355         attiny3214, attiny3216, attiny3217.
21356         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
21357         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
21358         (avr_print_operand_address) [AVR_TINY]: Same.
21359         (avr_asm_init_sections) <readonly_data_section>: Only patch
21360         callback if avr_arch->flash_pm_offset = 0.
21361         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
21362         for rodata if avr_arch->flash_pm_offset != 0.
21363         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
21364         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
21365         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
21366         (m_options): Append opt_rcall.
21367         (m_dirnames): Append dir_rcall.
21368         * config/avr/t-multilib: Regenerate.
21370         * configure.ac [target=avr]: Check whether avrxmega3 default
21371         linker description file works as needed.
21372         * configure: Regenerate.
21373         * doc/avr-mmcu.texi: Regenerate.
21374         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
21375         <__AVR_ARCH__>: Document avrxmega3 and 103.
21376         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
21377         <__AVR_SHORT_CALLS__>: Document it.
21378         <__AVR_PM_BASE_ADDRESS__>: Document it.
21379         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
21380         (AVR Variable Attributes) <progmem>: Document this is
21381         not needed for avrxmega3.
21382         (AVR Named Address Spaces) <__flash>: Dito.
21384 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
21386         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
21388 2017-06-12  Doug Rupp  <rupp@adacore.com>
21390         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
21391         Append vxworks-stdint.h to the tm_file list.
21392         * config/vxworks-stdint.h: New file.
21394 2017-06-12  Martin Liska  <mliska@suse.cz>
21396         PR tree-optimization/81041
21397         * tree-profile.c (gimple_gen_ic_func_profiler):
21398         Create an extra BB in profile-generate
21399         (gimple_gen_time_profiler): Likewise.
21401 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
21403         PR tree-optimization/81003
21404         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
21405         (update_range_test): Use it instead of force_gimple_operand_gsi.
21407 2017-06-12  Richard Biener  <rguenther@suse.de>
21409         PR tree-optimization/81053
21410         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
21411         with backedge value not defined in loop.  Simplify def stmt
21412         compute.
21414 2017-06-11  Tom de Vries  <tom@codesourcery.com>
21416         PR target/79939
21417         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
21418         Return true.
21419         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
21420         nvptx_cannot_force_const_mem.
21422 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
21424         * opts.c (finish_options): Move test for flag_split_stack after
21425         it has been initialized.
21427 2017-06-11  Jason Merrill  <jason@redhat.com>
21429         * tree.h (id_equal): New.
21430         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
21431         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
21432         instead of strcmp of IDENTIFIER_POINTER.
21434 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
21436         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
21437         (mark_all_inlined_calls_cdtor): Fix formating.
21438         (inline_transform): Rescale profile before inlining.
21440 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
21442         * cgraph.h (cgraph_edge::clone): Update prototype.
21443         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
21444         (cgraph_node::create_clone): Update.
21445         (cgraph_node::create_version_clone): Update.
21446         * tree-inline.c (copy_bb): Update.
21447         (expand_call_inline): Update.
21449 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
21451         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
21452         factored out from ...
21453         (rs6000_emit_prologue): ... here.
21455 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
21457         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
21458         factored out from ...
21459         (rs6000_emit_prologue): ... here.
21461 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
21463         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
21464         edge counts.
21465         (handle_missing_profiles): Fix computation of tp_first_run.
21466         (counts_to_freqs): Do not touch freqs when count is 0.
21468 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
21470         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
21471         profile.
21473 2017-06-10  Tom de Vries  <tom@codesourcery.com>
21475         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
21476         attributes): Document signal effective target.
21478 2017-06-10  Tom de Vries  <tom@codesourcery.com>
21480         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
21481         Document effective target stack_size.
21483 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
21485         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
21486         to the edit_context if they can be auto-applied.
21488 2017-06-9  Ian Lance Taylor  <iant@golang.org>
21490         * opts.c (finish_options): If -fsplit-stack, disable implicit
21491         -forder-blocks-and-partition.
21492         * doc/invoke.texi (Optimize Options): Document that when using
21493         -fsplit-stack -forder-blocks-and-partition is not implicitly
21494         enabled.
21496 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
21498         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
21499         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
21500         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
21501         * builtins.def (abort, trap, unreachable): Declare cold.
21502         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
21503         * tree-core.h (ECF_COLD): New.
21504         * tree.c (set_call_expr_flags): Handle ECF_COLD.
21505         (build_common_builtin_nodes): Mark unreachable and abort as cold.
21507 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
21509         * predict.c (unlikely_executed_stmt_p): Cleanup.
21511 2017-06-09  Richard Biener  <rguenther@suse.de>
21513         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
21514         model if the ref is always written to.
21516 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
21518         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
21520 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
21522         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
21523         than udiv.
21525 2017-06-09  Tom de Vries  <tom@codesourcery.com>
21527         PR target/80855
21528         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
21529         "target cannot support label values" when encountering LABEL_REF.
21531 2017-06-09  Martin Liska  <mliska@suse.cz>
21533         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
21534         (gimple_gen_ic_func_profiler): Emit direct comparison
21535         of __gcov_indirect_call_callee with NULL.
21536         (gimple_gen_time_profiler): Change probability from
21537         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
21539 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
21541         * profile.c (edge_gcov_counts): Turn to pointer.
21542         (compute_branch_probabilities, compute_branch_probabilities): Update.
21543         (branch_prob): Do not clear edge_gcov_count.
21544         * profile.h (edge_gcov_counts): Turn to pointer.
21545         (edge_gcov_count): Update.
21547 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
21549         * gimple.h (gimple_check_failed): Mark cold.
21551 2017-06-09  Richard Biener  <rguenther@suse.de>
21553         PR tree-optimization/66623
21554         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
21555         refactor check_reduction into two parts, properly computing
21556         whether we have to check reduction validity for outer loop
21557         vectorization.
21559 2017-06-09  Richard Biener  <rguenther@suse.de>
21561         PR tree-optimization/79483
21562         * graphite-scop-detection.c (order): New global.
21563         (get_order): Compute bb to order mapping that satisfies code
21564         generation constraints.
21565         (cmp_pbbs): New helper.
21566         (build_scops): Start domwalk at entry block, sort generated
21567         pbbs.
21569 2017-06-09  Richard Biener  <rguenther@suse.de>
21571         PR middle-end/81007
21572         * ipa-polymorphic-call.c
21573         (ipa_polymorphic_call_context::restrict_to_inner_class):
21574         Skip FIELD_DECLs with error_mark_node type.
21575         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
21576         last again.
21578 2017-06-09  Martin Liska  <mliska@suse.cz>
21580         * predict.c (struct branch_predictor): New struct.
21581         (test_prediction_value_range): New test.
21582         (predict_c_tests): New function.
21583         * selftest-run-tests.c (selftest::run_tests): Run the function.
21584         * selftest.h: Declare new tests.
21586 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
21588         PR target/80966
21589         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
21590         gen_add3_insn did not fail.
21591         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
21592         r0, construct that number in a temporary reg and add that reg to r0.
21593         If asked to put the result in r0 as well, fail.
21595 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
21597         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
21598         for early expansion of vec_eqv.
21600 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
21602         PR middle-end/81005
21603         * ubsan.c (instrument_null): Avoid pointless code temporary.
21604         (pass_ubsan::execute): Instrument aggregate arguments of calls.
21606 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
21608         PR target/81015
21609         Revert:
21610         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
21612         PR target/59874
21613         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
21614         (*clzhi2): Ditto.
21616 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21618         * predict.c (unlikely_executed_edge_p): Move ahead.
21619         (probably_never_executed_edge_p): Use it.
21621 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
21623         PR middle-end/79988
21624         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
21625         gimple_call_builtin_p call.
21627 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21629         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
21630         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
21631         rtl_check_failed_type2, rtl_check_failed_code1,
21632         rtl_check_failed_code2, rtl_check_failed_code_mode,
21633         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
21634         rtvec_check_failed_bounds, rtl_check_failed_flag,
21635         _fatal_insn_not_found, _fatal_insn): Likewise.
21636         * tree.h (tree_contains_struct_check_failed,
21637         tree_check_failed, tree_not_check_failed,
21638         tree_class_check_failed, tree_range_check_failed,
21639         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
21640         tree_vec_elt_check_failed, phi_node_elt_check_failed,
21641         tree_operand_check_failed, omp_clause_check_failed,
21642         omp_clause_operand_check_failed, omp_clause_range_check_failed):
21643         Likewise.
21645 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21647         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
21648         flag_branch_probabilities.
21649         * ipa-inline.c (edge_badness): Likewise.
21650         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
21651         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
21652         * predict.c (maybe_hot_frequency_p): Likewise.
21653         (probably_never_executed): Likewise.
21654         * sched-ebb.c (schedule_ebbs): Likewise.
21655         * sched-rgn.c (find_single_block_region): Likewise.
21656         * tracer.c (tail_duplicate): Likewise.
21658 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21660         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
21661         longer requires x_flag_profile_use.
21663 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21665         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
21666         instead of flag_reorder_blocks_and_partition.
21667         * dbxout.c (dbxout_function_end): Likewise.
21668         * dwarf2out.c (gen_subprogram_die): Likewise.
21669         * haifa-sched.c (sched_create_recovery_edges): Likewise.
21670         * hw-doloop.c (reorg_loops): Likewise.
21671         * varasm.c (assemble_start_function,
21672         assemble_end_function): Likewise.
21673         (decide_function_section): Do not check for
21674         flag_reorder_blocks_and_partition.
21676 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
21678         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
21679         New function.
21680         (chkp_get_hard_register_fake_addr_expr): Ditto.
21681         (chkp_build_addr_expr): Add check for hard reg case.
21682         (chkp_parse_array_and_component_ref): Ditto.
21683         (chkp_find_bounds_1): Ditto.
21684         (chkp_process_stmt): Don't generate bounds store for
21685         hard reg case.
21687 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21689         * predict.c (maybe_hot_bb_p): Do not check profile status.
21690         (maybe_hot_edge_p): Likewise.
21691         (probably_never_executed): Check for zero counts even if profile
21692         is not read.
21693         (unlikely_executed_edge_p): New function.
21694         (unlikely_executed_stmt_p): New function.
21695         (unlikely_executed_bb_p): New function.
21696         (set_even_probabilities): Use unlikely predicates.
21697         (combine_predictions_for_bb): Likewise.
21698         (predict_paths_for_bb): Likewise.
21699         (predict_paths_leading_to_edge): Likewise.
21700         (determine_unlikely_bbs): New function.
21701         (estimate_bb_frequencies): Use it.
21702         (compute_function_frequency): Use zero counts even if profile is
21703         not read.
21704         * profile-count.h: Fix typo.
21706 2017-08-08  Julia Koval  <julia.koval@intel.com>
21708         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
21709         _mm512_mask_cvtsepi16_storeu_epi8,
21710         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
21711         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
21712         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
21713         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
21714         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
21715         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
21716         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
21717         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
21718         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
21719         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
21720         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
21721         __builtin_ia32_pmovuswb256mem_mask,
21722         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
21723         __builtin_ia32_pmovwb512mem_mask): New builtins.
21725 2017-08-08  Julia Koval  <julia.koval@intel.com>
21727         PR target/73350,80862
21728         * config/i386/subst.md (round): Fix round pattern.
21729         * config/i386/i386.c (ix86_erase_embedded_rounding):
21730         Fix erasing rounding for the fixed pattern.
21732 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
21734         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
21736 2017-06-08  Martin Liska  <mliska@suse.cz>
21738         PR gcov-profile/80911
21739         * gcov.c (block_info::block_info): New constructor.
21741 2017-06-07  Carl Love  <cel@us.ibm.com>
21743         * config/rs6000/rs6000-c: The return type of the following
21744         built-in functions was implemented as int not long long.  Fix sign
21745         of return value for the unsigned version of vec_mulo and vec_mule.
21746         vector unsigned long long vec_bperm (vector unsigned long long,
21747                                              vector unsigned char)
21748         vector signed long long vec_mule (vector signed int,
21749                                           vector signed int)
21750         vector unsigned long long vec_mule (vector unsigned int,
21751                                             vector unsigned int)
21752         vector signed long long vec_mulo (vector signed int,
21753                                           vector signed int)
21754         vector unsigned long long vec_mulo (vector unsigned int,
21755                                             vector unsigned int)
21756         * doc/extend.texi: Fix the documentation for the built-in
21757         functions.
21759 2017-06-07  Carl Love  <cel@us.ibm.com>
21761         PR target/80982
21762         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
21763         for BE.
21765 2017-06-07  Carl Love  <cel@us.ibm.com>
21767         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
21768         support, Generate       doublehv for signed int/float for BE case only.
21770 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
21772         * doc/invoke.texi (mcx16): Rewrite.
21774 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21776         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
21777         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
21778         *mov<mode>_softfloat, and an anonymous splitter): Use
21779         nonimmediate_operand instead of rs6000_nonimmediate_operand.
21781 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21783         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
21784         SPEFSCR registers.
21785         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
21786         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
21787         (rs6000_debug_reg_global): Adjust.
21788         (rs6000_init_hard_regno_mode_ok): Adjust.
21789         (rs6000_dbx_register_number): Adjust.
21790         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
21791         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
21792         Remove SPE_ACC and SPEFSCR.
21793         (REG_ALLOC_ORDER): Ditto.
21794         (FRAME_POINTER_REGNUM): Change to 111.
21795         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
21796         (REG_CLASS_NAMES): Ditto.
21797         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
21798         (REGISTER_NAMES): Ditto.
21799         (ADDITIONAL_REG_NAMES): Ditto.
21800         (rs6000_reg_names): Ditto.
21801         * config/rs6000/rs6000.md: Renumber some register number
21802         define_constants.
21804 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21806         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
21807         registers.
21808         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
21809         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
21810         to 117.
21811         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
21812         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
21813         Delete the SPE high registers.
21814         (REG_ALLOC_ORDER): Ditto.
21815         (enum reg_class): Remove SPE_HIGH_REGS.
21816         (REG_CLASS_NAMES): Ditto.
21817         (REG_CLASS_CONTENTS): Delete the SPE high registers.
21818         (REGISTER_NAMES): Ditto.
21819         (rs6000_reg_names): Ditto.
21820         * doc/tm.texi.in: Remove SPE as example.
21821         * doc/tm.texi: Regenerate.
21823 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21825         * config/rs6000/8540.md (ppc8540_brinc): Delete.
21826         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
21827         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
21828         * config/rs6000/rs6000.md (type): Remove "brinc".
21830 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21832         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
21833         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
21834         * config/rs6000/linuxspe.h: Delete file.
21835         * config/rs6000/rs6000.md: Don't include spe.md.
21836         * config/rs6000/spe.h: Delete file.
21837         * config/rs6000/spe.md: Delete file.
21838         * config/rs6000/t-rs6000: Remove spe.md.
21840 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21842         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
21843         (reg_or_none500mem_operand): Delete.
21844         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
21845         instead of reg_or_none500mem_operand.
21847 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21849         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
21850         handling of SPE flags.
21851         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
21853 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21855         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
21856         SPE ABI handling.
21857         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
21858         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
21859         paired_divv2sf3): Similar.
21860         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
21861         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
21862         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
21863         RS6000_BUILTIN_S.
21864         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
21865         Rename the paired_* instruction patterns.
21866         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
21867         define __SPE__.
21868         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
21869         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
21870         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
21871         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
21872         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
21873         PAIRED_VECTOR_MODE.
21874         (struct machine_function): Delete field spe_insn_chain_scanned_p.
21875         (spe_func_has_64bit_regs_p): Delete.
21876         (spe_expand_predicate_builtin): Delete.
21877         (spe_expand_evsel_builtin): Delete.
21878         (TARGET_DWARF_REGISTER_SPAN): Do not define.
21879         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
21880         (invalid_e500_subreg): Delete.
21881         (rs6000_legitimize_address): Always force_reg op2 as well, for
21882         paired single memory accesses.
21883         (rs6000_member_type_forces_blk): Delete.
21884         (rs6000_spe_function_arg): Delete.
21885         (rs6000_expand_unop_builtin): Delete SPE handling.
21886         (rs6000_expand_binop_builtin): Ditto.
21887         (spe_expand_stv_builtin): Delete.
21888         (bdesc_2arg_spe): Delete.
21889         (spe_expand_builtin): Delete.
21890         (spe_expand_predicate_builtin): Delete.
21891         (spe_expand_evsel_builtin): Delete.
21892         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
21893         (spe_init_builtins): Delete.
21894         (spe_func_has_64bit_regs_p): Delete.
21895         (savres_routine_name): Delete "info" parameter.  Adjust callers.
21896         (rs6000_emit_stack_reset): Ditto.
21897         (rs6000_dwarf_register_span): Delete.
21898         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
21899         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
21900         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
21901         Delete.
21902         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
21903         Delete.
21904         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
21905         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
21906         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
21907         mulv2sf3, divv2sf3): Delete expanders.
21909 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21911         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
21913 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21915         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
21916         * config/rs6000/rs6000.c: Ditto.
21918 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21920         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
21921         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
21922         comparison_operator.
21924 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21926         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
21927         * config/rs6000/rs6000.opt: Ditto.
21928         * config/rs6000/t-rtems: Ditto.
21930 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21932         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
21933         TARGET_E500_SINGLE by 0, simplify.
21934         * config/rs6000/rs6000.c: Ditto.
21935         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
21936         (spe_build_register_parallel): Delete.
21937         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
21938         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
21939         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
21940         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
21941         (E500_CONVERT): Delete.
21942         * config/rs6000/spe.md: Remove many patterns and all define_constants.
21944 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
21946         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
21947         * config/rs6000/dfp.md: Ditto.
21948         (negdd2, *negdd2_fpr): Merge.
21949         (absdd2, *absdd2_fpr): Merge.
21950         (negtd2, *negtd2_fpr): Merge.
21951         (abstd2, *abstd2_fpr): Merge.
21952         * config/rs6000/e500.h: Delete file.
21953         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
21954         TARGET_FPRS by 1 and simplify.
21955         * config/rs6000/rs6000-c.c: Ditto.
21956         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
21957         TARGET_DF_SPE by 0.
21958         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
21959         TARGET_DF_SPE.
21960         * config/rs6000/rs6000.md: Ditto.
21961         (floatdidf2, *floatdidf2_fpr): Merge.
21962         (move_from_CR_gt_bit): Delete.
21963         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
21964         (E500_CR_IOR_COMPARE): Delete.
21965         (All patterns that require !TARGET_FPRS): Delete.
21966         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
21968 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
21970         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
21972 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
21974         * graphds.c (add_edge): Intitialize edge's attached data.
21975         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
21976         pointer parameter.  Call pointed function on each edge during
21977         graph traversing.  Skip traversing the edge when the function
21978         returns true.
21979         (graphds_dfs, graphds_scc): Ditto.
21980         (for_each_edge): New parameter.  Pass the new parameter to callback
21981         function.
21982         * graphds.h (skip_edge_callback): New function pointer type.
21983         (graphds_dfs, graphds_scc): New function pointer parameter.
21984         (graphds_edge_callback, for_each_edge): New parameter.
21986 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
21988         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
21989         out code checking if runtime alias check is possible to below ...
21990         Call the new function.
21991         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
21992         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
21994 2017-06-07  Marek Polacek  <polacek@redhat.com>
21996         PR sanitizer/80932
21997         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
21998         TYPE_OVERFLOW_WRAPS check.
22000 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22002         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
22003         if versioning is required.
22004         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
22005         peeling with the check for versioning.
22007 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22009         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
22010         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
22011         Set true to new parameter if new ssa variable is defined.
22012         (vect_gen_vector_loop_niters): Refactor.  Set range information
22013         for the new vector loop bound variable.
22014         (vect_do_peeling): Ditto.
22016 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22018         * tree-affine.c (ssa.h): Include header file.
22019         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
22020         has wrapping overflow behavior.
22022 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22024         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
22026 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22028         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
22029         (tree_to_aff_combination): ... here.
22031 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
22033         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
22034         reg_pressure model function.
22035         (ivopts_global_cost_for_size): Delete.
22036         (determine_set_costs, iv_ca_recount_cost): Call new model function
22037         ivopts_estimate_reg_pressure.
22039 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
22041         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
22042         expensive than udiv.  Remove floating point cases from mod.
22044 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
22046         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
22047         Increase idiv cost.
22049 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
22051         * config/aarch64/aarch64.md
22052         (copysignsf3): Fix mask generation.
22054 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
22056         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
22057         TDI_gimple.
22058         (class dump_manager): Add register_dumps method.
22059         * dumpfile.c: Include langhooks.h.
22060         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
22061         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
22062         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
22063         (dump_manager::dump_register): Start with 512 entries instead of 32.
22064         (dump_manager::register_dumps): New method.
22065         * toplev.c (general_init): Instead of invoking register_dumps
22066         langhook, invoke register_dumps method on the dump manager.
22067         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
22068         TDI_generic.
22070 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
22072         * doc/md.texi: Clarify the restrictions on a define_insn condition.
22073         Say that # requires an associated define_split to exist, and that
22074         the define_split must be suitable for use after register allocation.
22076 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22078         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
22079         (compute_outgoing_frequencies): Also initialize zero counts.
22080         (find_many_sub_basic_blocks): Do not produce uninitialized profile
22081         around loops; preserve more of profile when nothing changes.
22083 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
22085         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
22086         here.
22087         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
22088         * config/arm/arm-cpu-cdata.h: Regenerate.
22089         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
22090         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
22091         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
22092         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
22093         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
22094         support.
22095         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
22096         support.
22097         * config/arm/t-rmprofile: Likewise.
22098         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
22100 2017-06-06  David S. Miller  <davem@davemloft.net>
22102         PR target/80968
22103         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
22104         blockage if function uses alloca.
22106 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
22108         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
22109         New "uid" fields to hold pretty-print IDs of group and ref.
22110         Memory references are now identified as <group_id>:<ref_id>
22111         instead of using [random] addresses.
22112         (dump_mem_details): Simplify, no functional change.
22113         (dump_mem_ref): Simplify and make output more concise.
22114         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
22115         (find_or_create_group): Initialize group uid.
22116         (record_ref): Initialize ref uid.  Improve debug output.
22117         (prune_group_by_reuse, should_issue_prefetch_p,)
22118         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
22119         (mark_nontemporal_store, determine_loop_nest_reuse):
22120         Improve debug output.
22122 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
22124         * dbgcnt.def (prefetch): New debug counter.
22125         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
22126         (schedule_prefetches): Stop issueing prefetches if debug counter
22127         tripped.
22129 2017-06-06  Tom de Vries  <tom@codesourcery.com>
22131         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
22132         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
22134 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22136         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
22137         Use aarch64_reg_or_zero predicate for operand 4.
22138         (aarch64_compare_and_swap<mode> define_insn_and_split):
22139         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
22140         (aarch64_store_exclusive<mode>): Likewise for operand 2.
22142 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22144         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
22145         (arm_compute_save_core_reg_mask): This.
22146         (thumb1_compute_save_reg_mask): Rename into ...
22147         (thumb1_compute_save_core_reg_mask): This.
22148         (arm_compute_save_reg0_reg12_mask): Adapt comment.
22149         (arm_compute_frame_layout): Likewise.
22151 2017-06-06  Richard Biener  <rguenther@suse.de>
22153         PR tree-optimization/80974
22154         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
22155         keep or clear leaders SSA info.
22157 2017-06-06  Tom de Vries  <tom@codesourcery.com>
22159         * config/nvptx/nvptx.c (split_mode_p): New function.
22160         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
22162 2017-06-06  Tom de Vries  <tom@codesourcery.com>
22164         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
22166 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22168         PR bootstrap/80978
22169         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
22170         profile.
22172 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22174         * shrink-wrap.c (handle_simple_exit): Update profile.
22175         (try_shrink_wrapping): Upate profile.
22177 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22179         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
22180         (tree_guess_outgoing_edge_probabilities): New.
22181         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
22182         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
22184 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22186         * ipa-split.c (split_function): Initialize return bb profile.
22188 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
22190         * profile.c (compute_branch_probabilities): Also initialize
22191         EXIT_BLOCK profile.
22193 2017-06-06  Richard Biener  <rguenther@suse.de>
22195         PR tree-optimization/80928
22196         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
22197         (vect_analyze_loop_operations): Properly guard analysis for
22198         pure SLP case.
22199         (vect_transform_loop): Likewise.
22200         (vect_analyze_loop_2): Also reset SLP type on PHIs.
22201         (vect_model_induction_cost): Do not cost for pure SLP.
22202         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
22203         of induction in inner loop vectorization.
22204         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
22205         (vect_get_and_check_slp_defs): Handle vect_induction_def.
22206         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
22207         recursion.
22208         (vect_analyze_slp_cost_1): Cost induction.
22209         (vect_detect_hybrid_slp_stmts): Handle PHIs.
22210         (vect_get_slp_vect_defs): Likewise.
22211         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
22212         (vect_transform_stmt): Handle SLP reductions.
22213         * tree-vectorizer.h (vectorizable_induction): Adjust.
22215 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
22217         * config/rs6000/rs6000.c (make_resolver_func): Update
22218         init_lowered_empty_function call.
22220 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
22222         * doc/invoke.texi: Document the -fprofile-abs-path option.
22223         * common.opt (fprofile-abs-path): New option.
22224         * gcov-io.h (gcov_write_filename): Declare.
22225         * gcov-io.c (gcov_write_filename): New function.
22226         * coverage.c (coverage_begin_function): Use gcov_write_filename.
22227         * profile.c (output_location): Likewise.
22229 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
22231         * shring-wrap.c: Revert accidental commit.
22233 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
22235         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
22237 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
22239         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
22240         new edge.
22241         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
22242         profile in callgraph edge.
22243         * profile-count.h (apply_probability): If THIS is 0, then result is 0
22244         (apply_scale): Likewise.
22245         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
22246         Also scale profile when inlining function with zero profile.
22247         (initialize_cfun): Update exit block profile even when it is zero.
22248         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
22249         when profile is read.
22251 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
22253         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
22254         (CLONE_*): New constants to define the processors we can generate
22255         code for with the target_clone attribute.
22256         (rs6000_clone_map): New array to identify which clone processors
22257         the current program is running on.
22258         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
22259         target_clone attribute.
22260         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
22261         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
22262         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
22263         (cpu_expand_builtin): Add support for target_clone attribute.
22264         (rs6000_valid_attribute_p): Allow "default" attribute.
22265         (get_decl_name): New debug function to simplify printing the
22266         current function name in debugging statements.
22267         (rs6000_clone_priority): New functions to support the target_clone
22268         attribute, and be able to generate code to switch between ISA 2.05
22269         through ISA 3.0 (power6 through power9).
22270         (rs6000_compare_version_priority): Likewise.
22271         (rs6000_get_function_versions_dispatcher): Likewise.
22272         (make_resolver_func): Likewise.
22273         (add_condition_to_bb): Likewise.
22274         (dispatch_function_versions): Likewise.
22275         (rs6000_generate_version_dispatcher_body): Likewise.
22276         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
22277         (fusion_gpr_load_p): Fix a spacing issue.
22278         * doc/extend.texi (Common Function Attributes): Document that the
22279         PowerPC supports the target_clone attribute.
22281 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
22283         * config/arm/arm.h: explain F symbol found in description of ARM
22284         register allocation in its legend.
22286 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
22288         * config/mips/frame-header-opt.c: Include profile-count.h.
22289         * config/riscv/riscv.c: Include profile-count.h
22291 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
22293         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
22294         update profile.
22295         (sm_set_flag_if_changed): Add bbs field.
22296         (execute_sm_if_changed_flag_set): Pass BBS.
22297         (execute_sm): Update.
22299 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22301         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
22302         New pattern.
22304 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22306         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
22307         (peephole2): New peephole2 to emit the above.
22308         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
22310 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22312         * config/aarch64/aarch64.c (define_peephole2 above
22313         *sub_<shift>_<mode>): New peephole.
22315 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
22317         * config/i386/i386.c (make_resolver_func): Update.
22318         * Makefile.in: Add profile-count.h and profile-count.o
22319         * auto-profile.c (afdo_indirect_call): Update to new API.
22320         (afdo_set_bb_count): Update.
22321         (afdo_propagate_edge): Update.
22322         (afdo_propagate_circuit): Update.
22323         (afdo_calculate_branch_prob): Update.
22324         (afdo_annotate_cfg): Update.
22325         * basic-block.h: Include profile-count.h
22326         (struct edge_def): Turn count to profile_count.
22327         (struct basic_block_def): Likewie.
22328         (REG_BR_PROB_BASE): Move to profile-count.h
22329         (RDIV): Move to profile-count.h
22330         * bb-reorder.c (max_entry_count): Turn to profile_count.
22331         (find_traces): Update.
22332         (rotate_loop):Update.
22333         (connect_traces):Update.
22334         (sanitize_hot_paths):Update.
22335         * bt-load.c (migrate_btr_defs): Update.
22336         * cfg.c (RDIV): Remove.
22337         (init_flow): Use alloc_block.
22338         (alloc_block): Uninitialize count.
22339         (unchecked_make_edge): Uninitialize count.
22340         (check_bb_profile): Update.
22341         (dump_edge_info): Update.
22342         (dump_bb_info): Update.
22343         (update_bb_profile_for_threading): Update.
22344         (scale_bbs_frequencies_int): Update.
22345         (scale_bbs_frequencies_gcov_type): Update.
22346         (scale_bbs_frequencies_profile_count): New.
22347         * cfg.h (update_bb_profile_for_threading): Update.
22348         (scale_bbs_frequencies_profile_count): Declare.
22349         * cfgbuild.c (compute_outgoing_frequencies): Update.
22350         (find_many_sub_basic_blocks): Update.
22351         * cfgcleanup.c (try_forward_edges): Update.
22352         (try_crossjump_to_edge): Update.
22353         * cfgexpand.c (expand_gimple_tailcall): Update.
22354         (construct_exit_block): Update.
22355         * cfghooks.c (verify_flow_info): Update.
22356         (dump_bb_for_graph): Update.
22357         (split_edge): Update.
22358         (make_forwarder_block): Update.
22359         (duplicate_block): Update.
22360         (account_profile_record): Update.
22361         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
22362         (get_estimated_loop_iterations): Update.
22363         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
22364         (single_likely_exit): Update.
22365         * cfgloopmanip.c (scale_loop_profile): Update.
22366         (loopify): Update.
22367         (set_zero_probability): Update.
22368         (lv_adjust_loop_entry_edge): Update.
22369         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
22370         (purge_dead_edges): Update.
22371         (rtl_account_profile_record): Update.
22372         * cgraph.c (cgraph_node::create): Uninitialize count.
22373         (symbol_table::create_edge): Uninitialize count.
22374         (cgraph_update_edges_for_call_stmt_node): Update.
22375         (cgraph_edge::dump_edge_flags): Update.
22376         (cgraph_node::dump): Update.
22377         (cgraph_edge::maybe_hot_p): Update.
22378         * cgraph.h: Include profile-count.h
22379         (create_clone), create_edge, create_indirect_edge): Update.
22380         (cgraph_node): Turn count to profile_count.
22381         (cgraph_edge0: Likewise.
22382         (make_speculative, clone): Update.
22383         (create_edge): Update.
22384         (init_lowered_empty_function): Update.
22385         * cgraphclones.c (cgraph_edge::clone): Update.
22386         (duplicate_thunk_for_node): Update.
22387         (cgraph_node::create_clone): Update.
22388         * cgraphunit.c (cgraph_node::analyze): Update.
22389         (cgraph_node::expand_thunk): Update.
22390         * final.c (dump_basic_block_info): Update.
22391         * gimple-streamer-in.c (input_bb): Update.
22392         * gimple-streamer-out.c (output_bb): Update.
22393         * graphite.c (print_global_statistics): Update.
22394         (print_graphite_scop_statistics): Update.
22395         * hsa-brig.c: Include basic-block.h.
22396         * hsa-dump.c: Include basic-block.h.
22397         * hsa-gen.c (T sum_slice): Update.
22398         (convert_switch_statements):Update.
22399         * hsa-regalloc.c: Include basic-block.h.
22400         * ipa-chkp.c (chkp_produce_thunks): Update.
22401         * ipa-cp.c (struct caller_statistics): Update.
22402         (init_caller_stats): Update.
22403         (gather_caller_stats): Update.
22404         (ipcp_cloning_candidate_p): Update.
22405         (good_cloning_opportunity_p): Update.
22406         (get_info_about_necessary_edges): Update.
22407         (dump_profile_updates): Update.
22408         (update_profiling_info): Update.
22409         (update_specialized_profile): Update.
22410         (perhaps_add_new_callers): Update.
22411         (decide_about_value): Update.
22412         (ipa_cp_c_finalize): Update.
22413         * ipa-devirt.c (struct odr_type_warn_count): Update.
22414         (struct decl_warn_count): Update.
22415         (struct final_warning_record): Update.
22416         (possible_polymorphic_call_targets): Update.
22417         (ipa_devirt): Update.
22418         * ipa-fnsummary.c (redirect_to_unreachable): Update.
22419         * ipa-icf.c (sem_function::merge): Update.
22420         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
22421         * ipa-inline.c (compute_uninlined_call_time): Update.
22422         (compute_inlined_call_time): Update.
22423         (want_inline_small_function_p): Update.
22424         (want_inline_self_recursive_call_p): Update.
22425         (edge_badness): Update.
22426         (lookup_recursive_calls): Update.
22427         (recursive_inlining): Update.
22428         (inline_small_functions): Update.
22429         (dump_overall_stats): Update.
22430         (dump_inline_stats): Update.
22431         * ipa-profile.c (ipa_profile_generate_summary): Update.
22432         (ipa_propagate_frequency): Update.
22433         (ipa_profile): Update.
22434         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
22435         * ipa-utils.c (ipa_merge_profiles): Update.
22436         * loop-doloop.c (doloop_modify): Update.
22437         * loop-unroll.c (report_unroll): Update.
22438         (unroll_loop_runtime_iterations): Update.
22439         * lto-cgraph.c (lto_output_edge): Update.
22440         (lto_output_node): Update.
22441         (input_node): Update.
22442         (input_edge): Update.
22443         (merge_profile_summaries): Update.
22444         * lto-streamer-in.c (input_cfg): Update.
22445         * lto-streamer-out.c (output_cfg): Update.
22446         * mcf.c (create_fixup_graph): Update.
22447         (adjust_cfg_counts): Update.
22448         (sum_edge_counts): Update.
22449         * modulo-sched.c (sms_schedule): Update.
22450         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
22451         * predict.c (maybe_hot_count_p): Update.
22452         (probably_never_executed): Update.
22453         (dump_prediction): Update.
22454         (combine_predictions_for_bb): Update.
22455         (propagate_freq): Update.
22456         (handle_missing_profiles): Update.
22457         (counts_to_freqs): Update.
22458         (rebuild_frequencies): Update.
22459         (force_edge_cold): Update.
22460         * predict.h: Include profile-count.h
22461         (maybe_hot_count_p, counts_to_freqs): UPdate.
22462         * print-rtl-function.c: Do not include cfg.h
22463         * print-rtl.c: Include basic-block.h
22464         * profile-count.c: New file.
22465         * profile-count.h: New file.
22466         * profile.c (is_edge_inconsistent): Update.
22467         (correct_negative_edge_counts): Update.
22468         (is_inconsistent): Update.
22469         (set_bb_counts): Update.
22470         (read_profile_edge_counts): Update.
22471         (compute_frequency_overlap): Update.
22472         (compute_branch_probabilities): Update; Initialize and deinitialize
22473         gcov_count tables.
22474         (branch_prob): Update.
22475         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
22476         (edge_gcov_count): New.
22477         (bb_gcov_count): New.
22478         * shrink-wrap.c (try_shrink_wrapping): Update.
22479         * tracer.c (better_p): Update.
22480         * trans-mem.c (expand_transaction): Update.
22481         (ipa_tm_insert_irr_call): Update.
22482         (ipa_tm_insert_gettmclone_call): Update.
22483         * tree-call-cdce.c: Update.
22484         * tree-cfg.c (gimple_duplicate_sese_region): Update.
22485         (gimple_duplicate_sese_tail): Update.
22486         (gimple_account_profile_record): Update.
22487         (execute_fixup_cfg): Update.
22488         * tree-inline.c (copy_bb): Update.
22489         (copy_edges_for_bb): Update.
22490         (initialize_cfun): Update.
22491         (freqs_to_counts): Update.
22492         (copy_cfg_body): Update.
22493         (expand_call_inline): Update.
22494         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
22495         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
22496         (try_unroll_loop_completely): Update.
22497         (try_peel_loop): Update.
22498         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
22499         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
22500         * tree-ssa-loop-split.c (connect_loops): Update.
22501         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
22502         * tree-ssa-reassoc.c (branch_fixup): Update.
22503         * tree-ssa-tail-merge.c (replace_block_by): Update.
22504         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
22505         (compute_path_counts): Update.
22506         (update_profile): Update.
22507         (recompute_probabilities): Update.
22508         (update_joiner_offpath_counts): Update.
22509         (estimated_freqs_path): Update.
22510         (freqs_to_counts_path): Update.
22511         (clear_counts_path): Update.
22512         (ssa_fix_duplicate_block_edges): Update.
22513         (duplicate_thread_path): Update.
22514         * tree-switch-conversion.c (case_bit_test_cmp): Update.
22515         (struct switch_conv_info): Update.
22516         * tree-tailcall.c (decrease_profile): Update.
22517         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
22518         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
22519         * value-prof.c (check_counter): Update.
22520         (gimple_divmod_fixed_value): Update.
22521         (gimple_mod_pow2): Update.
22522         (gimple_mod_subtract): Update.
22523         (gimple_ic_transform): Update.
22524         (gimple_stringop_fixed_value): Update.
22525         * value-prof.h (gimple_ic): Update.
22527 2017-06-02  Carl Love  <cel@us.ibm.com>
22529         * config/rs6000/rs6000-c: Add support for built-in functions
22530         vector double vec_doublee (vector signed int);
22531         vector double vec_doublee (vector unsigned int);
22532         vector double vec_doublee (vector float);
22533         vector double vec_doubleh (vector signed int);
22534         vector double vec_doubleh (vector unsigned int);
22535         vector double vec_doubleh (vector float);
22536         vector double vec_doublel (vector signed int);
22537         vector double vec_doublel (vector unsigned int);
22538         vector double vec_doublel (vector float);
22539         vector double vec_doubleo (vector signed int);
22540         vector double vec_doubleo (vector unsigned int);
22541         vector double vec_doubleo (vector float);.
22542         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
22543         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
22544         UNS_DOUBLEL.
22545         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
22546         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
22547         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
22548         VS_sxwsp.
22549         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
22550         vec_doublel, vec_doubleh.
22551         * doc/extend.texi: Update the built-in documentation file for the
22552         new built-in functions.
22554 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
22556         PR jit/80954
22557         * ipa-inline-analysis.c (free_growth_caches): Set
22558         edge_removal_hook_holder to NULL after removing it.
22560 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
22562         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
22563         comparision with zero.
22565 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
22566         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
22567         for early expansion of vec_min and vec_max builtins.
22568         (builtin_function_type): Add min/max unsigned variants to those
22569         identified as having unsigned arguments.
22571 2017-06-02  Olivier Hainque  <hainque@adacore.com>
22573         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
22575 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22577         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
22578         Use VALL_F16 iterator rather than VALL.
22580 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22582         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
22583         Emit CBNZ inside loop when doing a strong exchange and comparing
22584         against zero.  Generate the CC flags after the loop.
22586 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
22588         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
22589         (dl_section_ref): New.
22590         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
22591         On AIX, append an expression to subtract the size of the
22592         section length to dl_section_ref.
22594 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
22596         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
22597         for early expansion of vector absolute builtins.
22599 2017-06-02  Richard Biener  <rguenther@suse.de>
22601         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
22602         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
22604 2017-06-02  Richard Biener  <rguenther@suse.de>
22606         PR tree-optimization/80948
22607         * tree-tailcall.c (find_tail_calls): Track stmts to move in
22608         stmt order as well.
22610 2017-06-02  Richard Biener  <rguenther@suse.de>
22612         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
22613         PHIs are ok.
22614         * tree-vect-stmts.c (process_use): Do not mark backedge defs
22615         for inductions as relevant.
22617 2017-06-02  Richard Biener  <rguenther@suse.de>
22619         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
22620         (vectorizable_induction): ... this.  Remove dead code.
22622 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
22624         * builtins. (expand_builtin_alloca): Remove second parameter and
22625         infer its value from the first parameter instead.
22626         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
22628 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
22630         PR rtl-optimization/80903
22631         * loop-doloop.c (add_test): Unshare sequence.
22633 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
22635         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
22637 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
22639         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
22640         static.
22641         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
22642         xlogue_layout::get_instance, logue_layout::xlogue_layout,
22643         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
22644         (xlogue_layout::get_stub_rtx): Make static.
22645         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
22646         (xlogue_layout::compute_stub_managed_regs): Rename to...
22647         (xlogue_layout::count_stub_managed_regs): ...this.
22648         (xlogue_layout::is_stub_managed_reg): New function.
22649         (xlogue_layout::m_stub_names): Rename to...
22650         (xlogue_layout::s_stub_names): ...this, make static.
22651         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
22652         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
22653         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
22654         xlogue_layout::s_stub_names): Instantiate statics.
22655         (stub_managed_regs): Remove.
22656         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
22657         (disable_call_ms2sysv_xlogues): Rename to...
22658         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
22659         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
22660         warning logic.
22661         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
22662         change after reload_completed.
22663         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
22664         directly.
22665         (ix86_expand_prologue): Likewise.
22666         (ix86_expand_epilogue): Likewise.
22667         (ix86_expand_split_stack_prologue): Likewise.
22668         (ix86_compute_frame_layout): Remove frame parameter ...
22669         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
22670         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
22671         only if necessary.
22672         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
22673         (ix86_frame): Move from here ...
22674         * config/i386/i386.h (ix86_frame): ... to here.
22675         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
22676         complete ix86_frame data structure instead.  Remove some_ld_name.
22678 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
22680         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
22681         symbols that hold a DECL_VALUE_EXPR.
22683 2017-06-01  Martin Jambor  <mjambor@suse.cz>
22685         PR tree-optimization/80898
22686         * tree-sra.c (process_subtree_disqualification): Removed.
22687         (disqualify_candidate): Do not acll
22688         process_subtree_disqualification.
22689         (subtree_mark_written_and_enqueue): New function.
22690         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
22691         RHS has been disqualified and re-queue LHS if necessary.  Apart
22692         from that, ignore disqualified RHS.
22694 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22696         * config/s390/s390.c (s390_emit_epilogue): Disable early return
22697         address fetch for z10 or later.
22699 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22701         * config/arc/arc.md (tst_movb): Add guard when splitting.
22703 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22705         * config/arc/arc.c (arc_can_eliminate): Test against
22706         arc_frame_pointer_needed.
22708 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22710         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
22711         to prevent store reordering.
22712         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
22713         (type): Add block type.
22714         (stack_tie): Define special instruction to be used in
22715         expand_prologue.
22717 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22719         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
22720         constraint. It is not valid for the pattern.
22721         (noncommutative_binary_comparison): Likewise.
22723 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22725         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
22726         scaled addresses.
22728 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22730         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
22731         be used by the reg-alloc.
22733 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22735         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
22736         reg-alloc when having mul64 or mul32x16 instructions.
22737         (mulsidi3): Likewise.
22738         (umulsidi3): Likewise.
22739         (mulsi32x16): New pattern.
22740         (mulsi64): Likewise.
22741         (mulsidi64): Likewise.
22742         (umulsidi64): Likewise.
22743         (MUL32x16_REG): Define.
22744         (mul64_600): Use MUL32x16_REG.
22745         (mac64_600): Likewise.
22746         (umul64_600): Likewise.
22747         (umac64_600): Likewise.
22749 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
22751         * config/arc/arc.md (mulsi3_700): Make it commutative.
22753 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
22755         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
22756         type for movstouw.
22757         (*sign_extendsidi2_insn): Likewise for movstosw.
22759 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
22761         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
22762         the type of the input discriminant value.  Convert the
22763         discriminant value of signedness vary.
22765 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
22767         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
22768         Add to -Wall section.
22770 2017-06-01  Richard Biener  <rguenther@suse.de>
22772         PR middle-end/66313
22773         * fold-const.c (fold_plusminus_mult_expr): If the factored
22774         factor may be zero use a wrapping type for the inner operation.
22775         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
22776         and handle moved defs.
22777         (process_assignment): Properly guard the unary op case.  Return a
22778         tri-state indicating that moving the stmt before the call may allow
22779         to continue.  Pass through to_move.
22780         (find_tail_calls): Handle moving unrelated defs before
22781         the call.
22783 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
22785         PR target/80618
22786         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
22787         splitter result in the canonical way.
22789 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
22791         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
22792         also for 32bit target.  Update insn attributes.
22793         (zero-extendsidi2 splitter): Allow all registers for operand 1.
22795 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
22797         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
22798         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
22799         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
22800         (_mm_maskz_min_ss): New intrinsics.
22802 2017-05-31  Martin Liska  <mliska@suse.cz>
22804         * tree-vect-loop.c (vect_create_epilog_for_reduction):
22805         Change comment style to one we normally use.
22806         (vectorizable_reduction): Likewise.
22807         (vectorizable_induction): Likewise.
22808         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
22809         (vectorizable_call): Likewise.
22810         (vectorizable_simd_clone_call): Likewise.
22811         (vectorizable_conversion): Likewise.
22812         (vectorizable_assignment): Likewise.
22813         (vectorizable_shift): Likewise.
22814         (vectorizable_operation): Likewise.
22815         (vectorizable_store): Likewise.
22816         (vectorizable_load): Likewise.
22817         * tree-vectorizer.h: Likewise.
22819 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
22821         * passes.c (emergency_dump_function): New.
22822         * tree-pass.h (emergency_dump_function): Declare.
22823         * plugin.c (plugins_internal_error_function): Remove.
22824         * plugin.h (plugins_internal_error_function): Remove declaration.
22825         * toplev.c (internal_error_function): New static function.  Use it...
22826         (general_init): ...here.
22828 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
22830         * config/arc/arc.c (arc_print_operand): Handle constant operands.
22831         (arc_rtx_costs): Add costs for new patterns.
22832         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
22833         * config/arc/predicates.md: Add _1_2_3_operand predicate.
22835 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
22837         * tree-ssa-strlen.c (get_next_strinfo): New function.
22838         (get_stridx_plus_constant): Use it.
22839         (zero_length_string): Likewise.
22840         (adjust_related_strinfos): Likewise.
22841         (adjust_last_stmt): Likewise.
22843 2017-05-31  Richard Biener  <rguenther@suse.de>
22845         PR target/80880
22846         * config/i386/i386.c (ix86_expand_builtin): Remove assert
22847         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
22849 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
22851         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
22852         loop_vinfo argument and use of dependence distance vectors.
22853         Check instead whether the two references differ only in their
22854         initial value and assume that they have the same alignment if the
22855         difference is a multiple of the vector alignment.
22856         (vect_analyze_data_refs_alignment): Update call accordingly.
22858 2017-05-31  Martin Liska  <mliska@suse.cz>
22860         PR target/79155
22861         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
22863 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
22865         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
22866         (create_intersect_range_checks): Move from ...
22867         * tree-data-ref.c (create_intersect_range_checks_index)
22868         (create_intersect_range_checks): ... to here.
22869         (create_runtime_alias_checks): New function factored from ...
22870         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
22871         here.  Call above function.
22872         * tree-data-ref.h (create_runtime_alias_checks): New function.
22874 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
22876         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
22877         segment length for dr_b and compute it in wide_int.
22879 2017-05-31  Richard Biener  <rguenther@suse.de>
22881         PR tree-optimization/80906
22882         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
22883         and pass through iv_map.
22884         (copy_bb_and_scalar_dependences): Adjust.
22885         (translate_pending_phi_nodes): Likewise.
22886         (copy_loop_close_phi_args): Handle code-generating IVs instead
22887         of ICEing.
22889 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
22891         * diagnostic-color.c (color_dict): Add "type-diff".
22892         (parse_gcc_colors): Update comment.
22893         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
22894         -fdiagnostics-show-template-tree and -fno-elide-type.
22895         (GCC_COLORS): Add type-diff to example.
22896         (type-diff=): New.
22897         (-fdiagnostics-show-template-tree): New.
22898         (-fno-elide-type): New.
22899         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
22900         the pp_format_decoder callback.  Call any m_format_postprocessor's
22901         "handle" method.
22902         (pretty_printer::pretty_printer): Initialize
22903         m_format_postprocessor.
22904         (pretty_printer::~pretty_printer): Delete any
22905         m_format_postprocessor.
22906         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
22907         (class format_postprocessor): New class.
22908         (struct pretty_printer::format_decoder): Document the new parameters.
22909         (struct pretty_printer::m_format_postprocessor): New field.
22910         * tree-diagnostic.c (default_tree_printer): Update for new
22911         bool and const char ** params.
22912         * tree-diagnostic.h (default_tree_printer): Likewise.
22914 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
22916         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
22917         (lwa_operand): Delete rs6000_gen_cell_microcode test.
22918         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
22919         rs6000_gen_cell_microcode code.
22920         (rs6000_final_prescan_insn): Delete.
22921         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
22922         "warn-cell-microcode" entries.
22923         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
22924         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
22925         throughout.  Change cc_reg_not_micro_cr0_operand to
22926         cc_reg_not_cr0_operand throughout.
22927         (*extendhi<mode>2_noload): Delete.
22928         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
22929         (mwarn-cell-microcode): Delete.
22930         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
22931         -mgen-cell-microcode and -mwarn-cell-microcode.
22933 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
22935         PR target/80833
22936         * config/i386/constraints.md (Yd): New constraint.
22937         (Ye): Ditto.
22938         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
22939         and (?Yd, r) alternatives.  Update insn attributes.
22940         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
22941         and (?*Yd, r) alternatives.  Update insn attributes.
22942         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
22944 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
22946         * gimplify.c (gimplify_modify_expr): Don't create a
22947         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
22948         function.
22950 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
22952         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
22954 2017-05-30  Richard Biener  <rguenther@suse.de>
22956         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
22957         and reduc_def fields.
22958         (STMT_VINFO_REDUC_TYPE): New define.
22959         (STMT_VINFO_REDUC_DEF): Likewise.
22960         (vect_force_simple_reduction): Adjust prototype.
22961         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
22962         (vect_is_simple_reduction): Remove check_reduction argument.
22963         (vect_force_simple_reduction): Adjust and set
22964         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
22965         (vectorizable_reduction): Do not re-do reduction analysis
22966         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
22967         * tree-parloops.c (gather_scalar_reductions): Adjust.
22969 2017-05-30  Richard Biener  <rguenther@suse.de>
22971         PR middle-end/80901
22972         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
22973         split_edge code.
22975 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
22977         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
22978         Introduce unknown_misalignment parameter and remove vf.
22979         (vect_peeling_hash_get_lowest_cost):
22980         Pass unknown_misalignment parameter.
22981         (vect_enhance_data_refs_alignment):
22982         Fix unsupportable data ref treatment.
22984 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
22986         * tree-vect-data-refs.c (vect_get_data_access_cost):
22987         Workaround for SLP handling.
22988         (vect_enhance_data_refs_alignment):
22989         Compute costs for doing no peeling at all, compare to the best
22990         peeling costs so far and avoid peeling if cheaper.
22992 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
22994         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
22995         Return peeling info and set costs to zero for unlimited cost
22996         model.
22997         (vect_enhance_data_refs_alignment): Also inspect all datarefs
22998         with unknown misalignment. Compute and costs for unknown
22999         misalignment, compare them to the costs for known misalignment
23000         and choose the cheapest for peeling.
23002 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
23004         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
23005         (vect_get_peeling_costs_all_drs): Create function.
23006         (vect_peeling_hash_get_lowest_cost):
23007         Use vect_get_peeling_costs_all_drs.
23008         (vect_peeling_supportable): Create function.
23009         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
23011 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
23013         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
23014         DR_HAS_NEGATIVE_STEP.
23015         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
23016         (vect_enhance_data_refs_alignment): Use.
23017         (vect_duplicate_ssa_name_ptr_info): Use.
23018         * tree-vectorizer.h (dr_misalignment): Use.
23019         (known_alignment_for_access_p): Use.
23021 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
23023         PR target/78838
23024         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
23025         .lowtext.
23026         (has_section_name): New function.
23028 2017-05-30  Martin Liska  <mliska@suse.cz>
23030         PR other/80909
23031         * auto-profile.c (get_function_decl_from_block): Fix
23032         parenthesis.
23034 2017-05-30  Richard Biener  <rguenther@suse.de>
23036         PR middle-end/80876
23037         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
23039 2017-05-30  Martin Liska  <mliska@suse.cz>
23041         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
23042         * dumpfile.h (struct dump_file_info): Remove ctors.
23044 2017-05-30  Martin Liska  <mliska@suse.cz>
23046         * predict.def: Fix GNU coding style.
23048 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
23050         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
23051         Mark 'to' argument with ATTRIBUTE_UNUSED.
23053 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
23055         * config/xtensa/xtensa.c (xtensa_emit_call): Use
23056         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
23057         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
23058         format string.
23060 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
23062         * doc/install.texi (Options specification): Restore entry of
23063         --enable-sjlj-exceptions.
23065 2017-05-27  Michael Eager  <eager@eagercon.com>
23067         Revert:
23068         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
23070         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
23072         * config/microblaze/microblaze.h
23073         (FIXED_REGISTERS): Update in macro.
23074         (CALL_USED_REGISTERS): Update in macro.
23076 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
23078         * doc/install.texi: Add links to macOS binary distributions.
23080 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
23082         PR bootstrap/80887
23083         Revert:
23084         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
23086         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
23088 2017-05-26  Martin Liska  <mliska@suse.cz>
23090         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
23092 2017-05-26  Martin Liska  <mliska@suse.cz>
23094         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
23095         always leading ';; '.
23096         (dump_bb_info): Likewise.
23097         (brief_dump_cfg): Likewise.
23098         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
23099         * dumpfile.c: Remove usage of TDF_VERBOSE.
23100         * dumpfile.h (enum dump_kind): Likewise.
23101         (dump_gimple_bb_header): Do not use TDF_COMMENT.
23102         * print-tree.c (debug_verbose): Remove.
23103         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
23104         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
23105         * tree-diagnostic.c (default_tree_printer): Replace
23106         TDF_DIAGNOSTIC with TDF_SLIM.
23108 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
23110         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
23111         in parameter loop, rather than loop_vinfo.
23112         (create_intersect_range_checks): Ditto.
23113         (vect_create_cond_for_alias_checks): Update call to above functions.
23115 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
23117         PR tree-optimization/80815
23118         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
23119         for merging runtime alias checks.  Handle negative DR_STEPs.
23121 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
23123         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
23124         Move from ...
23125         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
23126         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
23127         out code pruning runtime alias checks.
23128         * tree-data-ref.c (prune_runtime_alias_test_list): New function
23129         factored out from above.
23130         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
23131         Move from ...
23132         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
23133         ... to here.
23134         (prune_runtime_alias_test_list): New decalaration.
23136 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
23138         * tree-vect-data-refs.c (compare_tree): Rename and move ...
23139         * tree-data-ref.c (data_ref_compare_tree): ... to here.
23140         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
23141         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
23142         (operator==, comp_dr_with_seg_len_pair): Ditto.
23143         (vect_prune_runtime_alias_test_list): Ditto.
23145 2017-05-26  Martin Liska  <mliska@suse.cz>
23147         PR ipa/80663
23148         * params.def: Bound partial-inlining-entry-probability param.
23150 2017-05-26  Marek Polacek  <polacek@redhat.com>
23152         PR sanitizer/80875
23153         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
23154         can be negated.
23156 2017-05-26  Richard Biener  <rguenther@suse.de>
23158         PR tree-optimization/80842
23159         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
23160         value.
23162 2017-05-26  Richard Biener  <rguenther@suse.de>
23164         PR tree-optimization/80844
23165         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
23167 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
23169         * doc/md.texi (Machine Constraints): Update x86 family
23170         machine constraints section to match 'config/i386/constraints.md'.
23172 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
23174         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
23176 2017-05-25  Nathan Sidwell  <nathan@acm.org>
23178         * doc/invoke.texi (--enable-languages): Update documentation.
23180 2017-05-25  Martin Liska  <mliska@suse.cz>
23182         * dumpfile.c: Add TDF_FOLDING.
23183         * dumpfile.h (enum dump_kind): Likewise.
23184         * genmatch.c (dt_simplify::gen_1): Use it.
23186 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
23188         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
23190 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
23192         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
23193         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
23195 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
23197         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
23198         * match.pd (X == C): Rewrite it here.
23199         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
23200         with_certain_nonzero_bits2): New predicates.
23201         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
23203 2017-05-24  Nathan Sidwell  <nathan@acm.org>
23205         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
23206         avoid warning.
23208         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
23209         warning.
23211 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
23213         * config/powerpcspe: New port.  Files are copied from the rs6000
23214         port, with "rs6000" in filenames replaced by "powerpcspe".
23216 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
23218         PR rtl-optimization/80754
23219         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
23221 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
23223         * config/sparc/sparc.md (length): Return the correct value for -mflat
23224         sibcalls to match output_sibcall.
23226 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
23228         PR bootstrap/80860
23229         PR bootstrap/80843
23230         * config/rs6000/rs6000.c (struct machine_function): Add new field
23231         n_components.
23232         (rs6000_get_separate_components): Init that field, use it.
23233         (rs6000_components_for_bb): Use the field.
23235 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
23237         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
23239 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
23241         PR middle-end/80823
23242         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
23244 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23246         PR target/80725
23247         * config/s390/s390.c (s390_check_qrst_address): Check incoming
23248         address against address_operand predicate.
23249         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
23251 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
23253         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
23254         parameters passed indirectly.
23256 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
23258         * config/i386/i386.md (*movdi_internal): Remove SSE4
23259         alternative 18 (?r, *v).  Update insn attributes.
23260         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
23261         Update insn attributes.
23262         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
23263         Update insn attributes.
23264         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
23265         alternative 1 (r, v). Remove isa attribute.
23266         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
23267         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
23268         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
23270 2017-05-23  Tom de Vries  <tom@codesourcery.com>
23272         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
23273         dg-line directive.
23275 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
23277         * cgraphunit.c (symbol_table::process_new_functions): Update.
23278         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
23279         (inline_generate_summary): Rename to ...
23280         (ipa_fn_summary_generate): ... this one.
23281         (inline_read_summary): Rename to ...
23282         (ipa_fn_summary_read): ... this one.
23283         (inline_write_summary): Rename to ...
23284         (ipa_fn_summary_write): ... this one.
23285         (inline_free_summary): Rename to ...
23286         (ipa_free_fn_summary): ... this one.
23287         (pass_data_local_fn_summary, pass_local_fn_summary,
23288         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
23289         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
23290         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
23291         make_pass_ipa_fn_summary): New.
23292         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
23293         inline_write_summary, inline_free_summary): Remove.
23294         (ipa_free_fn_summary) : New.
23295         * ipa-inline.c (ipa_inline): Update.
23296         (pass_ipa_inline): Do not generate summaries.
23297         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
23298         Remove.
23299         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
23300         and add pass_ipa_fn_summary.
23301         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
23302         New.
23303         (make_pass_inline_parameters): Remove.
23305 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
23307         * omp-low.c (struct omp_context): Remove "default_kind" member.
23308         Adjust all users.
23310         * omp-offload.c (execute_oacc_device_lower): Remove the
23311         parallelism dimensions function attributes for unparallelized
23312         OpenACC kernels constructs.
23314 2017-05-23  Martin Liska  <mliska@suse.cz>
23316         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
23317         functions.
23318         (cgraph_edge::make_speculative): Likewise.
23319         (cgraph_edge::resolve_speculation): Likewise.
23320         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
23321         (cgraph_node::dump): Likewise.
23322         * cgraph.h: Likewise.
23323         * cgraphunit.c (analyze_functions): Likewise.
23324         (symbol_table::compile): Likewise.
23325         * ipa-cp.c (print_all_lattices): Likewise.
23326         (determine_versionability): Likewise.
23327         (initialize_node_lattices): Likewise.
23328         (ipcp_verify_propagated_values): Likewise.
23329         (estimate_local_effects): Likewise.
23330         (update_profiling_info): Likewise.
23331         (create_specialized_node): Likewise.
23332         (perhaps_add_new_callers): Likewise.
23333         (decide_about_value): Likewise.
23334         (decide_whether_version_node): Likewise.
23335         (identify_dead_nodes): Likewise.
23336         (ipcp_store_bits_results): Likewise.
23337         * ipa-devirt.c (dump_targets): Likewise.
23338         (ipa_devirt): Likewise.
23339         * ipa-icf.c (sem_item::dump): Likewise.
23340         (sem_function::equals): Likewise.
23341         (sem_variable::equals): Likewise.
23342         (sem_item_optimizer::read_section): Likewise.
23343         (sem_item_optimizer::execute): Likewise.
23344         (congruence_class::dump): Likewise.
23345         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
23346         (dump_inline_summary): Likewise.
23347         (estimate_node_size_and_time): Likewise.
23348         (inline_analyze_function): Likewise.
23349         * ipa-inline-transform.c (inline_call): Likewise.
23350         * ipa-inline.c (report_inline_failed_reason): Likewise.
23351         (want_early_inline_function_p): Likewise.
23352         (edge_badness): Likewise.
23353         (update_edge_key): Likewise.
23354         (inline_small_functions): Likewise.
23355         * ipa-profile.c (ipa_profile): Likewise.
23356         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
23357         (ipa_make_edge_direct_to_target): Likewise.
23358         (remove_described_reference): Likewise.
23359         (ipa_impossible_devirt_target): Likewise.
23360         (propagate_controlled_uses): Likewise.
23361         (ipa_print_node_params): Likewise.
23362         (ipcp_transform_function): Likewise.
23363         * ipa-pure-const.c (pure_const_read_summary): Likewise.
23364         (propagate_pure_const): Likewise.
23365         * ipa-reference.c (generate_summary): Likewise.
23366         (read_write_all_from_decl): Likewise.
23367         (propagate): Likewise.
23368         (ipa_reference_read_optimization_summary): Likewise.
23369         * ipa-utils.c (ipa_merge_profiles): Likewise.
23370         * ipa.c (walk_polymorphic_call_targets): Likewise.
23371         (symbol_table::remove_unreachable_nodes): Likewise.
23372         (ipa_single_use): Likewise.
23373         * passes.c (execute_todo): Likewise.
23374         * predict.c (drop_profile): Likewise.
23375         * symtab.c (symtab_node::get_dump_name): New function.
23376         (symtab_node::dump_name): Likewise.
23377         (symtab_node::dump_asm_name): Likewise.
23378         (symtab_node::dump_references): Likewise.
23379         (symtab_node::dump_referring): Likewise.
23380         (symtab_node::dump_base): Likewise.
23381         (symtab_node::debug_symtab): Likewise.
23382         * tree-sra.c (convert_callers_for_node): Likewise.
23383         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
23384         * value-prof.c (init_node_map): Likewise.
23386 2017-05-23  Martin Liska  <mliska@suse.cz>
23388         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
23389         and symtab_node::debug_symtab to symbol_table::debug.
23390         * cgraphunit.c (analyze_functions): Use the renamed function.
23391         (symbol_table::compile): Likewise.
23392         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
23393         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
23394         * passes.c (execute_todo): Likewise.
23395         * symtab.c (symbol_table::dump): New function.
23396         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
23398 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
23400         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
23401         that nonconst implies exec.
23403 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
23405         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
23406         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
23407         (inline_edge_summary_vec): Turn into ...
23408         (ipa_call_summaries): ... this one.
23409         (redirect_to_unreachable, edge_set_predicate,
23410         evaluate_properties_for_edge, inline_summary_alloc,
23411         reset_ipa_call_summary, reset_inline_summary,
23412         inline_summary_t::duplicate): Update.
23413         (inline_edge_duplication_hook): Turn to ...
23414         (ipa_call_summary_t::duplicate): ... this one.
23415         (inline_edge_removal_hook): Turn to ...
23416         (ipa_call_summary_t::remove): ... this one.
23417         (dump_inline_edge_summary): Turn to ...
23418         (dump_ipa_call_summary): ... this one.
23419         (estimate_function_body_sizes): Update.
23420         (inline_update_callee_summaries): Update.
23421         (remap_edge_change_prob): Update.
23422         (remap_edge_summaries): Update.
23423         (inline_merge_summary): Update.
23424         (do_estimate_edge_time): Update.
23425         (inline_generate_summary): Update.
23426         (inline_read_section): Update.
23427         (inline_read_summary): Update.
23428         (inline_free_summary): Update.
23429         * ipa-inline.c (can_inline_edge_p): Update.
23430         (compute_inlined_call_time): Update.
23431         (want_inline_small_function_p): Update.
23432         (edge_badness): Update.
23433         (early_inliner): Update.
23434         * ipa-inline.h (inline_edge_summary): Turn to ...
23435         (ipa_call_summary): ... this one.
23436         (ipa_call_summary_t): New class.
23437         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
23438         (ipa_call_summaries): New.
23439         (inline_edge_summary): Remove.
23440         (estimate_edge_growth): Update.
23441         * ipa-profile.c (ipa_propagate_frequency_1): Update.
23442         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
23443         * ipa-split.c (execute_split_functions): Update.
23444         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
23446 2017-05-23  Tom de Vries  <tom@codesourcery.com>
23448         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
23449         attributes): Document rdrand effective target.
23451 2017-05-23  Tom de Vries  <tom@codesourcery.com>
23453         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
23454         attributes): Sort alphabetically.
23456 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
23458         * config/avr/genmultilib.awk: Use gsub instead of gensub.
23460 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
23462         PR target/80718
23463         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
23464         V2DF/V2DI splat into two separate patterns, one that handles
23465         registers, and the other that only handles memory.  Drop support
23466         for splatting from a GPR on ISA 2.07 and then splitting the
23467         splat into direct move and splat.
23468         (vsx_splat_<mode>_reg): Likewise.
23469         (vsx_splat_<mode>_mem): Likewise.
23471 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
23473         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
23475 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
23477         PR middle-end/80809
23478         * omp-low.c (finish_taskreg_remap): New function.
23479         (finish_taskreg_scan): If unit size of ctx->record_type
23480         is non-constant, unshare the size expression and replace
23481         decls in it with possible outer var refs.
23483         PR middle-end/80809
23484         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
23485         GOVD_SHARED rather than GOVD_PRIVATE with it.
23486         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
23487         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
23489         PR middle-end/80853
23490         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
23491         as last argument to build_outer_var_ref for pointer bases of array
23492         section reductions.
23494 2017-05-19  Martin Sebor  <msebor@redhat.com>
23496         * print-tree.c (print_node): Print DECL_READ_P flag.
23498 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
23500         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
23501         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
23502         * cgraph.c: Likewise.
23503         * cgraphunit.c: Likewise.
23504         * gengtype.c: Likewise.
23505         * ipa-cp.c: Likewise.
23506         * ipa-devirt.c: Likewise.
23507         * ipa-icf.c: Likewise.
23508         * ipa-predicate.c: Likewise.
23509         * ipa-profile.c: Likewise.
23510         * ipa-prop.c: Likewise.
23511         * ipa-split.c: Likewise.
23512         * ipa.c: Likewise.
23513         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
23514         edge_predicate_pool, dump_inline_hints,
23515         inline_summary::account_size_time, redirect_to_unreachable,
23516         edge_set_predicate, set_hint_predicate,
23517         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
23518         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
23519         inline_summary_t::remove, remap_hint_predicate_after_duplication,
23520         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
23521         ipa_call_summary_t::remove, initialize_growth_caches,
23522         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
23523         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
23524         mark_modified, unmodified_parm_1, unmodified_parm,
23525         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
23526         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
23527         compute_bb_predicates, will_be_nonconstant_expr_predicate,
23528         will_be_nonconstant_predicate, record_modified_bb_info,
23529         get_minimal_bb, record_modified, param_change_prob,
23530         phi_result_unknown_predicate, predicate_for_phi_result,
23531         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
23532         estimate_function_body_sizes, compute_inline_parameters,
23533         compute_inline_parameters_for_curren, pass_data_inline_parameters,
23534         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
23535         inline_update_callee_summaries, remap_edge_change_prob,
23536         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
23537         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
23538         inline_analyze_function, inline_summary_t::insert,
23539         inline_generate_summary, read_ipa_call_summary, inline_read_section,
23540         inline_read_summary, write_ipa_call_summary, inline_write_summary,
23541         inline_free_summary): Move to ipa-fnsummary.h
23542         (predicate_t): Remove.
23543         * ipa-fnsummary.c: New file.
23544         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
23545         (enum inline_hints_vals, inline_hints, agg_position_info,
23546         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
23547         inline_summaries, ipa_call_summary, ipa_call_summary_t,
23548         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
23549         dump_inline_summary, dump_inline_hints, inline_generate_summary,
23550         inline_read_summary, inline_write_summary, inline_free_summary,
23551         inline_analyze_function, initialize_inline_failed,
23552         inline_merge_summary, inline_update_overall_summary,
23553         compute_inline_parameters): Move to ipa-fnsummary.h
23554         * ipa-fnsummary.h: New file.
23555         * ipa-inline-transform.h: Include ipa-inline.h.
23556         * ipa-inline.c: LIkewise.
23558 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
23560         * ipa-inline.c (edge_badness): Use inlined_time instead of
23561         inline_summaries->get.
23563 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
23565         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
23567 2017-05-22  Nathan Sidwell  <nathan@acm.org>
23569         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
23570         (fdump-lang): Document 'raw' option.
23571         * dumpfile.h (TDI_tu): Delete.
23572         * dumpfile.c (dump_files): Remove translation-unit.
23573         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
23575 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
23577         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
23578         command option from $(AWK) call.
23579         * config/avr/genmultilib.awk: Simplify and rewrite so that it
23580         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
23581         [FORMAT]: Remove handling of variable.
23582         * config/avr/t-multilib: Regenerate.
23584 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
23586         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
23587         self_time.
23588         (dump_inline_summary): Do not print self_time.
23589         (estimate_function_body_sizes): Do not set self_time.
23590         (compute_inline_parameters): Likewise.
23591         (inline_read_section, inline_write_summary): Do not stream self_time.
23592         * ipa-inline.h (inline_summary): Drop self_time.
23594 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
23596         * ipa-inline-analysis.c (account_size_time): Rename to ...
23597         (inline_summary::account_size_time): ... this one.
23598         (reset_ipa_call_summary): Turn to ...
23599         (ipa_call_summary::reset): ... this one.
23600         (reset_inline_summary): Turn to ...
23601         (inline_summary::reset): ... this one.
23602         (inline_summary_t::remove): Update.
23603         (inline_summary_t::duplicate): Update.
23604         (ipa_call_summary_t::remove): Update.
23605         (dump_inline_summary): Update.
23606         (estimate_function_body_sizes): Update.
23607         (compute_inline_parameters): Update.
23608         (estimate_node_size_and_time): Update.
23609         (inline_merge_summary): Update.
23610         (inline_update_overall_summary): Update.
23611         (inline_read_section): Update.
23612         (inline_write_summary): Update.
23613         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
23614         add account_size_time and reset member functions.
23615         (ipa_call_summary): Add reset function.
23616         * ipa-predicate.h (predicate::operator &): Constify.
23618 2017-05-22  Richard Biener  <rguenther@suse.de>
23620         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
23622 2017-05-19  Jason Merrill  <jason@redhat.com>
23624         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
23626 2017-05-19  Marek Polacek  <polacek@redhat.com>
23628         PR sanitizer/80800
23629         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
23630         TYPE_OVERFLOW_WRAPS checks.
23632 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
23634         * tree-core.h (enum omp_clause_default_kind): Add
23635         "OMP_CLAUSE_DEFAULT_PRESENT".
23636         * tree-pretty-print.c (dump_omp_clause): Handle it.
23637         * gimplify.c (enum gimplify_omp_var_data): Add
23638         "GOVD_MAP_FORCE_PRESENT".
23639         (gimplify_adjust_omp_clauses_1): Map it to
23640         "GOMP_MAP_FORCE_PRESENT".
23641         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
23643         * gimplify.c (oacc_default_clause): Clarify.
23645 2017-05-19  Nathan Sidwell  <nathan@acm.org>
23647         LANG_HOOK_REGISTER_DUMPS
23648         * toplev.c (general_init): Call register dump lang hook.
23649         * doc/invoke.texi: Document -fdump-lang option family.
23650         * dumpfile.c (dump_files): Remove class dump here.
23651         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
23652         * dumpfile.h (tree_dump_index): Remove TDI_class.
23653         * langhooks-def.h (lhd_register_dumps): Declare.
23654         (LANG_HOOKS_REGISTER_DUMPS): Define.
23655         (LANG_HOOKS_INITIALIZER): Add it.
23656         * langhooks.c (lhd_register_dumps): Define.
23657         * langhooks.h (struct lang_hooks): Add register_dumps.
23659 2017-05-19  Nathan Sidwell  <nathan@acm.org>
23661         * context.h (context::set_passes): New.
23662         * context.c (context::context): Do not create pass manager.
23663         * toplev.c (general_init): Create pass manager here.
23665 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
23667         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
23668         use this splitter if two add or or instructions would also work for
23669         the constant we want to generate.
23671 2017-05-19  Richard Biener  <rguenther@suse.de>
23673         PR build/80821
23674         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
23675         predicate evaluation.
23677 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
23679         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
23680         add ctor.
23681         * ipa-inline.c (want_inline_small_function_p): Do not cast to
23682         unsigned.
23684 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
23686         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
23687         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
23688         (inline_edge_summary_vec): Turn into ...
23689         (ipa_call_summaries): ... this one.
23690         (redirect_to_unreachable, edge_set_predicate,
23691         evaluate_properties_for_edge, inline_summary_alloc,
23692         reset_ipa_call_summary, reset_inline_summary,
23693         inline_summary_t::duplicate): Update.
23694         (inline_edge_duplication_hook): Turn to ...
23695         (ipa_call_summary_t::duplicate): ... this one.
23696         (inline_edge_removal_hook): Turn to ...
23697         (ipa_call_summary_t::remove): ... this one.
23698         (dump_inline_edge_summary): Turn to ...
23699         (dump_ipa_call_summary): ... this one.
23700         (estimate_function_body_sizes): Update.
23701         (inline_update_callee_summaries): Update.
23702         (remap_edge_change_prob): Update.
23703         (remap_edge_summaries): Update.
23704         (inline_merge_summary): Update.
23705         (do_estimate_edge_time): Update.
23706         (inline_generate_summary): Update.
23707         (inline_read_section): Update.
23708         (inline_read_summary): Update.
23709         (inline_free_summary): Update.
23710         * ipa-inline.c (can_inline_edge_p): Update.
23711         (compute_inlined_call_time): Update.
23712         (want_inline_small_function_p): Update.
23713         (edge_badness): Update.
23714         (early_inliner): Update.
23715         * ipa-inline.h (inline_edge_summary): Turn to ...
23716         (ipa_call_summary): ... this one.
23717         (ipa_call_summary_t): New class.
23718         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
23719         (ipa_call_summaries): New.
23720         (inline_edge_summary): Remove.
23721         (estimate_edge_growth): Update.
23722         * ipa-profile.c (ipa_propagate_frequency_1): Update.
23723         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
23724         * ipa-split.c (execute_split_functions): Update.
23725         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
23727 2017-05-19  Richard Biener  <rguenther@suse.de>
23729         PR middle-end/80764
23730         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
23732 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
23734         * config/rs6000/rs6000.c (struct machine_function): Add field
23735         fpr_is_wrapped_separately.
23736         (rs6000_get_separate_components): Use 64 components.  Handle the
23737         new FPR components.
23738         (rs6000_components_for_bb): Handle the FPR components.
23739         (rs6000_emit_prologue_components): Handle the FPR components.
23740         (rs6000_emit_epilogue_components): Handle the FPR components.
23741         (rs6000_set_handled_components): Handle the FPR components.
23742         (rs6000_emit_prologue): Don't output prologue code for those FPRs
23743         that are already separately shrink-wrapped.
23744         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
23745         that are already separately shrink-wrapped.
23747 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
23749         PR target/80510
23750         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
23751         New predicate.
23753         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
23754         (define_peephole2 for Altivec d-form load): Add peepholes to catch
23755         cases where the register allocator uses a move and an offsettable
23756         memory operation to/from a FPR register on ISA 2.06/2.07.
23757         (define_peephole2 for Altivec d-form store): Likewise.
23759 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
23761         PR target/80799
23762         * config/i386/mmx.md (*mov<mode>_internal): Enable
23763         alternatives 11, 12, 13 and 14 also for 32bit targets.
23764         Remove alternatives 15, 16, 17 and 18.
23765         * config/i386/sse.md (vec_concatv2di): Change
23766         alternative (!x, *y) to (x, ?!*Yn).
23768 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
23770         * dumpfile.h (enum dump_kind): Remove stray comma.
23772 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
23774         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
23775         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
23776         predicate::num_conditions
23777         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
23778         (CHANGED): turn into predicate::changed.
23779         (agg_position_info): Move to ipa-predicate.h
23780         (add_condition, predicate::add_clause, predicate::operator &=,
23781         predicate::or_with, predicate::evaluate, predicate::probability,
23782         dump_condition, dump_clause, predicate::dump,
23783         predicate::remap_after_duplication, predicate::remap_after_inlining,
23784         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
23785         (evaluate_conditions_for_known_args): Update.
23786         (set_cond_stmt_execution_predicate): Update.
23787         * ipa-inline.h: Include ipa-predicate.h
23788         (condition, inline_param_summary, conditions, agg_position_info,
23789         predicate): Move to ipa-predicate.h
23790         * ipa-predicate.c: New file.
23791         * ipa-predicate.h: New file.
23793 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
23795         * final.c (leaf_function_p): Check we are not in a sequence.
23797 2017-05-18  Martin Liska  <mliska@suse.cz>
23799         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
23800         * dumpfile.c (dump_register): Use new enum dump_kind.
23801         (get_dump_file_name): Likewise.
23802         (dump_enable_all): Likewise.
23803         (dump_switch_p_1): Likewise.
23804         (enable_rtl_dump_file): Remove usage of TDF_RTL.
23805         * dumpfile.h (enum dump_kind): New enum type.
23806         (struct dump_file_info): Create constructor and
23807         format fields and comments.
23808         * passes.c (pass_manager::register_one_dump_file):
23809         Use num dump_kind.
23810         * statistics.c (statistics_early_init): Likewise.
23811         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
23812         TDF_TREE with TDF_SLIM.
23813         (gather_memory_references_ref): Likewise.
23815 2017-05-18  Martin Liska  <mliska@suse.cz>
23817         * vec.h (struct vnull): Use it.
23819 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
23821         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
23822         (true_predicate, false_predicate, true_predicate_p,
23823         false_predicate_p): Remove.
23824         (single_cond_predicate, not_inlined_predicate): Turn to member function
23825         in ipa-inline.h
23826         (add_condition): Update.
23827         (add_clause): Turn to...
23828         (predicate::add_clause): ... this one; update; allow passing NULL
23829         as parameter.
23830         (and_predicates): Turn to ...
23831         (predicate::operator &=): ... this one.
23832         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
23833         (or_predicates): Turn to ...
23834         (predicate::or_with): ... this one.
23835         (evaluate_predicate): Turn to ...
23836         (predicate::evaluate): ... this one.
23837         (predicate_probability): Turn to ...
23838         (predicate::probability): ... this one.
23839         (dump_condition): Update.
23840         (dump_predicate): Turn to ...
23841         (predicate::dump): ... this one.
23842         (account_size_time): Update.
23843         (edge_set_predicate): Update.
23844         (set_hint_predicate): UPdate.
23845         (evaluate_conditions_for_known_args): Update.
23846         (evaluate_properties_for_edge): Update.
23847         (remap_predicate_after_duplication): Turn to...
23848         (predicate::remap_after_duplication): ... this one.
23849         (remap_hint_predicate_after_duplication): Update.
23850         (inline_summary_t::duplicate): UPdate.
23851         (dump_inline_edge_summary): Update.
23852         (dump_inline_summary): Update.
23853         (set_cond_stmt_execution_predicate): Update.
23854         (set_switch_stmt_execution_predicate): Update.
23855         (compute_bb_predicates): Update.
23856         (will_be_nonconstant_expr_predicate): Update.
23857         (will_be_nonconstant_predicate): Update.
23858         (phi_result_unknown_predicate): Update.
23859         (predicate_for_phi_result): Update.
23860         (array_index_predicate): Update.
23861         (estimate_function_body_sizes): Update.
23862         (estimate_node_size_and_time): Update.
23863         (estimate_ipcp_clone_size_and_time): Update.
23864         (remap_predicate): Rename to ...
23865         (predicate::remap_after_inlining): ... this one.
23866         (remap_hint_predicate): Update.
23867         (inline_merge_summary): Update.
23868         (inline_update_overall_summary): Update.
23869         (estimate_size_after_inlining): Update.
23870         (read_predicate): Rename to ...
23871         (predicate::stream_in): ... this one.
23872         (read_inline_edge_summary): Update.
23873         (write_predicate): Rename to ...
23874         (predicate::stream_out): ... this one.
23875         (write_inline_edge_summary): Update.
23876         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
23877         (clause_t): Turn to uint32_t
23878         (predicate): Turn to class; implement constructor and operators
23879         ==, !=, &
23880         (size_time_entry): Update.
23881         (inline_summary): Update.
23882         (inline_edge_summary): Update.
23884 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
23886         * fold-const.c (fold_binary_loc): Move transformation...
23887         * match.pd (C - X CMP X): ... here.
23889 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
23891         * config/sparc/sparc.c (sparc_option_override): Set function
23892         alignment for -mcpu=niagara7 to 64 to match the I$ line.
23893         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
23894         latency to 1.
23895         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
23896         latency to 2.
23897         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
23899 2017-05-18  Marek Polacek  <polacek@redhat.com>
23901         PR sanitizer/80797
23902         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
23903         (pass_ubsan::execute): Call gimple_assign_single_p instead of
23904         gimple_assign_load_p.
23906 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
23908         PR middle-end/80692
23909         * real.c (do_compare): Give decimal_do_compare preference over
23910         comparing just the signs.
23912 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
23914         * doc/md.texi (Canonicalization of Instructions): Describe the
23915         canonical form of instructions that inherently set a condition
23916         code register.
23918 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
23920         PR middle-end/80775
23921         * tree-cfg.c: Move deletion of unreachable case statements to after
23922         the merging of consecutive case labels.
23924 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
23926         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
23927         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
23928         restoring of callee-saved registers.
23930 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
23932         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
23933         * config/visium/visium.c (single_set_and_flags): Likewise.
23934         * config/visium/visium.md (Substitutions): Likewise.
23936 2017-05-17  Martin Liska  <mliska@suse.cz>
23938         * cfg.c: Introduce dump_flags_t type and
23939         use it instead of int type.
23940         * cfg.h: Likewise.
23941         * cfghooks.c: Likewise.
23942         * cfghooks.h (struct cfg_hooks): Likewise.
23943         * cfgrtl.c: Likewise.
23944         * cfgrtl.h: Likewise.
23945         * cgraph.c (cgraph_node::get_body): Likewise.
23946         * coretypes.h: Likewise.
23947         * domwalk.c: Likewise.
23948         * domwalk.h: Likewise.
23949         * dumpfile.c (struct dump_option_value_info): Likewise.
23950         (dump_enable_all): Likewise.
23951         (dump_switch_p_1): Likewise.
23952         (opt_info_switch_p): Likewise.
23953         * dumpfile.h (enum tree_dump_index): Likewise.
23954         (struct dump_file_info): Likewise.
23955         * genemit.c: Likewise.
23956         * generic-match-head.c: Likewise.
23957         * gengtype.c (open_base_files): Likewise.
23958         * gimple-pretty-print.c: Likewise.
23959         * gimple-pretty-print.h: Likewise.
23960         * graph.c (print_graph_cfg): Likewise.
23961         * graphite-scop-detection.c (dot_all_sese): Likewise.
23962         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
23963         * loop-unroll.c (report_unroll): Likewise.
23964         * passes.c (pass_manager::register_one_dump_file): Likewise.
23965         * print-tree.c: Likewise.
23966         * statistics.c: Likewise.
23967         * tree-cfg.c: Likewise.
23968         * tree-cfg.h: Likewise.
23969         * tree-dfa.c: Likewise.
23970         * tree-dfa.h: Likewise.
23971         * tree-dump.c (dump_function): Likewise.
23972         * tree-dump.h (struct dump_info): Likewise.
23973         * tree-pretty-print.c: Likewise.
23974         * tree-pretty-print.h: Likewise.
23975         * tree-ssa-live.c: Likewise.
23976         * tree-ssa-live.h: Likewise.
23977         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
23978         * tree-vect-loop.c: Likewise.
23979         * tree-vect-slp.c: Likewise.
23981 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
23982             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23984         PR tree-optimization/80457
23985         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
23986         of all arguments to a statement as scalar_to_vec operations.
23987         (vectorizable_call): Adjust call to vect_model_simple_cost for
23988         new parameter.
23989         (vectorizable_conversion): Likewise.
23990         (vectorizable_assignment): Likewise.
23991         (vectorizable_shift): Likewise.
23992         (vectorizable_operation): Likewise.
23993         (vectorizable_comparison): Likewise.
23994         (vect_is_simple_cond): Record the def types for operands.
23995         (vectorizable_condition): Likewise, call vect_model_simple_cost.
23996         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
23997         for statement argument count.
23999 2017-05-16  Carl Love  <cel@us.ibm.com>
24001         * config/rs6000/rs6000-c: Add support for built-in functions
24002         vector unsigned long long vec_bperm (vector unsigned long long,
24003                                              vector unsigned char)
24004         vector signed long long vec_mule (vector signed int,
24005                                           vector signed int)
24006         vector unsigned long long vec_mule (vector unsigned int,
24007                                             vector unsigned int)
24008         vector signed long long vec_mulo (vector signed int,
24009                                           vector signed int)
24010         vector unsigned long long vec_mulo (vector unsigned int,
24011                                             vector unsigned int)
24012         vector signed char vec_sldw (vector signed char,
24013                                      vector signed char,
24014                                      const int)
24015         vector unsigned char vec_sldw (vector unsigned char,
24016                                        vector unsigned char,
24017                                        const int)
24018         vector signed short vec_sldw (vector signed short,
24019                                       vector signed short,
24020                                       const int)
24021         vector unsigned short vec_sldw (vector unsigned short,
24022                                         vector unsigned short,
24023                                         const int)
24024         vector signed int vec_sldw (vector signed int,
24025                                     vector signed int,
24026                                     const int)
24027         vector unsigned int vec_sldw (vector unsigned int,
24028                                       vector unsigned int,
24029                                       const int)
24030         vector signed long long vec_sldw (vector signed long long,
24031                                           vector signed long long,
24032                                           const int)
24033         vector unsigned long long vec_sldw (vector unsigned long long,
24034                                             vector unsigned long long,
24035                                             const int)
24036         * config/rs6000/rs6000-c: Add support for built-in functions
24037         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
24038         * config/rs6000/altivec.h: Add defintion for vec_sldw.
24039         * doc/extend.texi: Update the built-in documentation for the
24040         new built-in functions.
24042 2017-05-16  Marek Polacek  <polacek@redhat.com>
24044         PR sanitizer/80536
24045         PR sanitizer/80386
24046         * tree.c (save_expr): Don't fold the expression.
24048 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
24050         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
24051         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
24052         and (?*y,m).  Update insn attributes.
24054 2017-05-16  Martin Liska  <mliska@suse.cz>
24056         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
24057         flags argument of print_gimple_stmt, print_gimple_expr,
24058         print_generic_stmt and print_generic_expr.
24059         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
24060         * coretypes.h: Likewise.
24061         * except.c (dump_eh_tree): Likewise.
24062         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
24063         * gimple-pretty-print.h: Likewise.
24064         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
24065         (backprop::push_to_worklist): Likewise.
24066         (backprop::pop_from_worklist): Likewise.
24067         (backprop::process_use): Likewise.
24068         (backprop::intersect_uses): Likewise.
24069         (note_replacement): Likewise.
24070         * gimple-ssa-store-merging.c
24071         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
24072         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
24073         (pass_store_merging::execute): Likewise.
24074         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
24075         (ssa_base_cand_dump_callback): Likewise.
24076         (dump_incr_vec): Likewise.
24077         (replace_refs): Likewise.
24078         (replace_mult_candidate): Likewise.
24079         (create_add_on_incoming_edge): Likewise.
24080         (create_phi_basis): Likewise.
24081         (insert_initializers): Likewise.
24082         (all_phi_incrs_profitable): Likewise.
24083         (introduce_cast_before_cand): Likewise.
24084         (replace_one_candidate): Likewise.
24085         * gimplify.c (gimplify_expr): Likewise.
24086         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
24087         (set_rename): Likewise.
24088         (rename_uses): Likewise.
24089         (copy_loop_phi_nodes): Likewise.
24090         (add_close_phis_to_merge_points): Likewise.
24091         (copy_loop_close_phi_args): Likewise.
24092         (copy_cond_phi_args): Likewise.
24093         (graphite_copy_stmts_from_block): Likewise.
24094         (translate_pending_phi_nodes): Likewise.
24095         * graphite-poly.c (print_pdr): Likewise.
24096         (dump_gbb_cases): Likewise.
24097         (dump_gbb_conditions): Likewise.
24098         (print_scop_params): Likewise.
24099         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
24100         (build_cross_bb_scalars_use): Likewise.
24101         (gather_bbs::before_dom_children): Likewise.
24102         * hsa-dump.c (dump_hsa_immed): Likewise.
24103         * ipa-cp.c (print_ipcp_constant_value): Likewise.
24104         (get_replacement_map): Likewise.
24105         * ipa-inline-analysis.c (dump_condition): Likewise.
24106         (estimate_function_body_sizes): Likewise.
24107         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
24108         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
24109         * ipa-prop.c (ipa_dump_param): Likewise.
24110         (ipa_print_node_jump_functions_for_edge): Likewise.
24111         (ipa_modify_call_arguments): Likewise.
24112         (ipa_modify_expr): Likewise.
24113         (ipa_dump_param_adjustments): Likewise.
24114         (ipa_dump_agg_replacement_values): Likewise.
24115         (ipcp_modif_dom_walker::before_dom_children): Likewise.
24116         * ipa-pure-const.c (check_stmt): Likewise.
24117         (pass_nothrow::execute): Likewise.
24118         * ipa-split.c (execute_split_functions): Likewise.
24119         * omp-offload.c (dump_oacc_loop_part): Likewise.
24120         (dump_oacc_loop): Likewise.
24121         * trans-mem.c (tm_log_emit): Likewise.
24122         (tm_memopt_accumulate_memops): Likewise.
24123         (dump_tm_memopt_set): Likewise.
24124         (dump_tm_memopt_transform): Likewise.
24125         * tree-cfg.c (gimple_verify_flow_info): Likewise.
24126         (print_loop): Likewise.
24127         * tree-chkp-opt.c (chkp_print_addr): Likewise.
24128         (chkp_gather_checks_info): Likewise.
24129         (chkp_get_check_result): Likewise.
24130         (chkp_remove_check_if_pass): Likewise.
24131         (chkp_use_outer_bounds_if_possible): Likewise.
24132         (chkp_reduce_bounds_lifetime): Likewise.
24133         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
24134         (chkp_mark_completed_bounds): Likewise.
24135         (chkp_register_incomplete_bounds): Likewise.
24136         (chkp_mark_invalid_bounds): Likewise.
24137         (chkp_maybe_copy_and_register_bounds): Likewise.
24138         (chkp_build_returned_bound): Likewise.
24139         (chkp_get_bound_for_parm): Likewise.
24140         (chkp_build_bndldx): Likewise.
24141         (chkp_get_bounds_by_definition): Likewise.
24142         (chkp_generate_extern_var_bounds): Likewise.
24143         (chkp_get_bounds_for_decl_addr): Likewise.
24144         * tree-chrec.c (chrec_apply): Likewise.
24145         * tree-data-ref.c (dump_data_reference): Likewise.
24146         (dump_subscript): Likewise.
24147         (dump_data_dependence_relation): Likewise.
24148         (analyze_overlapping_iterations): Likewise.
24149         * tree-inline.c (expand_call_inline): Likewise.
24150         (tree_function_versioning): Likewise.
24151         * tree-into-ssa.c (dump_defs_stack): Likewise.
24152         (dump_currdefs): Likewise.
24153         (dump_names_replaced_by): Likewise.
24154         (dump_update_ssa): Likewise.
24155         (update_ssa): Likewise.
24156         * tree-object-size.c (pass_object_sizes::execute): Likewise.
24157         * tree-parloops.c (build_new_reduction): Likewise.
24158         (try_create_reduction_list): Likewise.
24159         (ref_conflicts_with_region): Likewise.
24160         (oacc_entry_exit_ok_1): Likewise.
24161         (oacc_entry_exit_single_gang): Likewise.
24162         * tree-pretty-print.h: Likewise.
24163         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
24164         (get_scalar_evolution): Likewise.
24165         (add_to_evolution): Likewise.
24166         (get_loop_exit_condition): Likewise.
24167         (analyze_evolution_in_loop): Likewise.
24168         (analyze_initial_condition): Likewise.
24169         (analyze_scalar_evolution): Likewise.
24170         (instantiate_scev): Likewise.
24171         (number_of_latch_executions): Likewise.
24172         (gather_chrec_stats): Likewise.
24173         (final_value_replacement_loop): Likewise.
24174         (scev_const_prop): Likewise.
24175         * tree-sra.c (dump_access): Likewise.
24176         (disqualify_candidate): Likewise.
24177         (create_access): Likewise.
24178         (reject): Likewise.
24179         (maybe_add_sra_candidate): Likewise.
24180         (create_access_replacement): Likewise.
24181         (analyze_access_subtree): Likewise.
24182         (analyze_all_variable_accesses): Likewise.
24183         (sra_modify_assign): Likewise.
24184         (initialize_constant_pool_replacements): Likewise.
24185         (find_param_candidates): Likewise.
24186         (decide_one_param_reduction): Likewise.
24187         (replace_removed_params_ssa_names): Likewise.
24188         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
24189         * tree-ssa-copy.c (dump_copy_of): Likewise.
24190         (copy_prop_visit_cond_stmt): Likewise.
24191         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
24192         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
24193         (record_equivalences_from_stmt): Likewise.
24194         * tree-ssa-dse.c (compute_trims): Likewise.
24195         (delete_dead_call): Likewise.
24196         (delete_dead_assignment): Likewise.
24197         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
24198         (forward_propagate_into_cond): Likewise.
24199         (pass_forwprop::execute): Likewise.
24200         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
24201         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
24202         Likewise.
24203         (move_computations_worker): Likewise.
24204         (execute_sm): Likewise.
24205         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
24206         (remove_exits_and_undefined_stmts): Likewise.
24207         (remove_redundant_iv_tests): Likewise.
24208         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
24209         (adjust_iv_update_pos): Likewise.
24210         * tree-ssa-math-opts.c (bswap_replace): Likewise.
24211         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
24212         (value_replacement): Likewise.
24213         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
24214         * tree-ssa-pre.c (print_pre_expr): Likewise.
24215         (get_representative_for): Likewise.
24216         (create_expression_by_pieces): Likewise.
24217         (insert_into_preds_of_block): Likewise.
24218         (eliminate_insert): Likewise.
24219         (eliminate_dom_walker::before_dom_children): Likewise.
24220         (eliminate): Likewise.
24221         (remove_dead_inserted_code): Likewise.
24222         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
24223         * tree-ssa-reassoc.c (get_rank): Likewise.
24224         (eliminate_duplicate_pair): Likewise.
24225         (eliminate_plus_minus_pair): Likewise.
24226         (eliminate_not_pairs): Likewise.
24227         (undistribute_ops_list): Likewise.
24228         (eliminate_redundant_comparison): Likewise.
24229         (update_range_test): Likewise.
24230         (optimize_range_tests_var_bound): Likewise.
24231         (optimize_vec_cond_expr): Likewise.
24232         (rewrite_expr_tree): Likewise.
24233         (rewrite_expr_tree_parallel): Likewise.
24234         (linearize_expr): Likewise.
24235         (break_up_subtract): Likewise.
24236         (linearize_expr_tree): Likewise.
24237         (attempt_builtin_powi): Likewise.
24238         (attempt_builtin_copysign): Likewise.
24239         (transform_stmt_to_copy): Likewise.
24240         (transform_stmt_to_multiply): Likewise.
24241         (dump_ops_vector): Likewise.
24242         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
24243         (print_scc): Likewise.
24244         (set_ssa_val_to): Likewise.
24245         (visit_reference_op_store): Likewise.
24246         (visit_use): Likewise.
24247         (sccvn_dom_walker::before_dom_children): Likewise.
24248         (run_scc_vn): Likewise.
24249         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
24250         Likewise.
24251         (expr_hash_elt::print): Likewise.
24252         (const_and_copies::pop_to_marker): Likewise.
24253         (const_and_copies::record_const_or_copy_raw): Likewise.
24254         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
24255         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
24256         (dump_predicates): Likewise.
24257         (find_uninit_use): Likewise.
24258         (warn_uninitialized_phi): Likewise.
24259         (pass_late_warn_uninitialized::execute): Likewise.
24260         * tree-ssa.c (verify_vssa): Likewise.
24261         (verify_ssa): Likewise.
24262         (maybe_optimize_var): Likewise.
24263         * tree-vrp.c (dump_value_range): Likewise.
24264         (dump_all_value_ranges): Likewise.
24265         (dump_asserts_for): Likewise.
24266         (register_edge_assert_for_2): Likewise.
24267         (vrp_visit_cond_stmt): Likewise.
24268         (vrp_visit_switch_stmt): Likewise.
24269         (vrp_visit_stmt): Likewise.
24270         (vrp_visit_phi_node): Likewise.
24271         (simplify_cond_using_ranges_1): Likewise.
24272         (fold_predicate_in): Likewise.
24273         (evrp_dom_walker::before_dom_children): Likewise.
24274         (evrp_dom_walker::push_value_range): Likewise.
24275         (evrp_dom_walker::pop_value_range): Likewise.
24276         (execute_early_vrp): Likewise.
24278 2017-05-16  Richard Biener  <rguenther@suse.de>
24280         * dwarf2out.c (loc_list_from_tree_1): Do not create
24281         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
24283 2017-05-16  Richard Biener  <rguenther@suse.de>
24285         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
24286         just generated.
24287         (note_variable_value_in_expr): If we resolved the decl ref
24288         do not push to the stack.
24290 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
24292         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
24293         operations in fast-math mode.
24294         (vaddq_f16): Likewise.
24295         (vmul_f16): Likewise.
24296         (vmulq_f16): Likewise.
24297         (vsub_f16): Likewise.
24298         (vsubq_f16): Likewise.
24299         * config/arm/neon.md (add<mode>3): New.
24300         (sub<mode>3): New.
24301         (fma:<VH:mode>3): New.  Also remove outdated comment.
24302         (mul<mode>3): New.
24304 2017-05-16  Martin Liska  <mliska@suse.cz>
24306         PR ipa/79849.
24307         PR ipa/79850.
24308         * ipa-devirt.c (warn_types_mismatch): Fix typo.
24309         (odr_types_equivalent_p): Likewise.
24311 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
24313         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
24315 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
24317         PR target/80425
24318         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
24319         non-interunit SSE move alternatives with '?'.
24320         (zero-extendsidi peephole2): New peephole to skip intermediate
24321         general register in SSE zero-extend sequence.
24323 2017-05-15  Jeff Law  <law@redhat.com>
24325         * reorg.c (relax_delay_slots): Create a new variable to hold
24326         the temporary target rather than clobbering TARGET_LABEL.
24328         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
24329         missing argument to extract_bit_field call.
24330         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
24332 2017-05-15  Martin Liska  <mliska@suse.cz>
24334         PR driver/31468
24335         * gcc.c (process_command): Do not allow empty argument of -o option.
24337 2017-05-15  Renlin Li  <renlin.li@arm.com>
24339         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
24340         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
24341         * config/aarch64/constraints.md (Usf): Add long call check.
24342         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
24343         (call_value): Likewise.
24344         (sibcall): Likewise.
24345         (sibcall_value): Likewise.
24346         (call_insn): New.
24347         (call_value_insn): New.
24348         (sibcall_insn): Update rtx pattern.
24349         (sibcall_value_insn): Likewise.
24350         (call_internal): Remove.
24351         (call_value_internal): Likewise.
24352         (sibcall_internal): Likewise.
24353         (sibcall_value_internal): Likewise.
24354         (call_reg): Likewise.
24355         (call_symbol): Likewise.
24356         (call_value_reg): Likewise.
24357         (call_value_symbol): Likewise.
24359 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
24361         PR target/80600
24362         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
24364 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
24366         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
24367         compatible with CCGOCmode and with CCZmode.
24369 2017-05-14  Martin Sebor  <msebor@redhat.com>
24371         PR middle-end/77671
24372         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
24373         (gimple_fold_builtin_snprintf): Same.
24374         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
24375         (gimple_fold_builtin_snprintf): Same.
24376         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
24377         of character types.
24378         (is_call_safe): New function.
24379         (try_substitute_return_value): Call it.
24380         (try_simplify_call): New function.
24381         (pass_sprintf_length::handle_gimple_call): Call it.
24383 2017-05-14  Martin Sebor  <msebor@redhat.com>
24385         PR middle-end/80669
24386         * builtins.c (expand_builtin_stpncpy): Simplify.
24388 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
24390         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
24391         * config/i386/i386.h
24392         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
24393         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
24394         (struct machine_function): Add new members call_ms2sysv,
24395         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
24396         (struct machine_frame_state): New fields sp_realigned and
24397         sp_realigned_offset.
24398         * config/i386/i386.c
24399         (enum xlogue_stub): New enum.
24400         (enum xlogue_stub_sets): New enum.
24401         (class xlogue_layout): New class.
24402         (struct ix86_frame): New fields stack_realign_allocate_offset,
24403         stack_realign_offset and outlined_save_offset.  Modify comments to
24404         detail stack layout when using out-of-line stubs.
24405         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
24406         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
24407         -mcall-ms2sysv-xlogues.
24408         (stub_managed_regs): New static variable.
24409         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
24410         registers managed by out-of-line stub.
24411         (disable_call_ms2sysv_xlogues): New function.
24412         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
24413         m->call_ms2sysv when appropriate and compute frame layout for
24414         out-of-line stubs.
24415         (sp_valid_at, fp_valid_at): New inline functions.
24416         (choose_basereg): New function.
24417         (choose_baseaddr): Add align parameter, use choose_basereg and modify
24418         all callers.
24419         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
24420         Use align parameter of choose_baseaddr to generated aligned SSE movs
24421         when possible.
24422         (pro_epilogue_adjust_stack): Modify to track
24423         machine_frame_state::sp_realigned.
24424         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
24425         (ix86_nsaved_sseregs): Likewise.
24426         (ix86_emit_save_regs): Likewise.
24427         (ix86_emit_save_regs_using_mov): Likewise.
24428         (ix86_emit_save_sse_regs_using_mov): Likewise.
24429         (get_scratch_register_on_entry): Likewise.
24430         (gen_frame_set): New function.
24431         (gen_frame_load): Likewise.
24432         (gen_frame_store): Likewise.
24433         (emit_outlined_ms2sysv_save): Likewise.
24434         (emit_outlined_ms2sysv_restore): Likewise.
24435         (ix86_expand_prologue): Modify stack re-alignment code and call
24436         emit_outlined_ms2sysv_save when appropriate.
24437         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
24438         parameter rtx_insn *insn, which allows the function to be used to only
24439         generate the notes.
24440         (ix86_expand_epilogue): Modify validity checks of frame and stack
24441         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
24442         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
24443         * config/i386/predicates.md
24444         (save_multiple): New predicate.
24445         (restore_multiple): Likewise.
24446         * config/i386/sse.md
24447         (save_multiple<mode>): New pattern.
24448         (save_multiple_realign<mode>): Likewise.
24449         (restore_multiple<mode>): Likewise.
24450         (restore_multiple_and_return<mode>): Likewise.
24451         (restore_multiple_leave_return<mode>): Likewise.
24452         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
24454 2017-05-14  Julia Koval  <julia.koval@intel.com>
24456         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
24457         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
24458         (__builtin_ia32_xsetbv): New builtins.
24459         * config/i386/i386.c (ix86_expand_special_args_builtin):
24460         Process new types.
24461         (ix86_expand_builtin): Special expand for new intrinsics.
24462         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
24463         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
24464         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
24466 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24468         * cfganal.c (inverted_post_order_compute): Change argument type
24469         to vec *.
24470         * cfganal.h (inverted_post_order_compute): Adjust prototype.
24471         * df-core.c (rest_of_handle_df_initialize): Adjust.
24472         (rest_of_handle_df_finish): Likewise.
24473         (df_analyze_1): Likewise.
24474         (df_analyze): Likewise.
24475         (loop_inverted_post_order_compute): Change argument to be a vec *.
24476         (df_analyze_loop): Adjust.
24477         (df_get_n_blocks): Likewise.
24478         (df_get_postorder): Likewise.
24479         * df.h (struct df_d): Change field to be a vec.
24480         * lcm.c (compute_laterin): Adjust.
24481         (compute_available): Likewise.
24482         * lra-lives.c (lra_create_live_ranges_1): Likewise.
24483         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
24484         * tree-ssa-pre.c (compute_antic): Likewise.
24486 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24488         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
24489         (depth_first_search::depth_first_search): Change structure init
24490         function to this constructor.
24491         (depth_first_search::add_bb): Rename function to this member.
24492         (depth_first_search::execute): Likewise.
24493         (flow_dfs_compute_reverse_finish): Adjust.
24495 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24497         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
24498         (longest_simple_path): Likewise.
24499         * shrink-wrap.c (spread_components): Likewise.
24500         (disqualify_problematic_components): Likewise.
24501         (emit_common_heads_for_components): Likewise.
24502         (emit_common_tails_for_components): Likewise.
24503         (insert_prologue_epilogue_for_components): Likewise.
24505 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24507         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
24508         auto_sbitmap.
24510 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24512         * df-core.c (df_set_blocks): Start using auto_bitmap.
24513         (df_compact_blocks): Likewise.
24514         * df-problems.c (df_rd_confluence_n): Likewise.
24515         * df-scan.c (df_insn_rescan_all): Likewise.
24516         (df_process_deferred_rescans): Likewise.
24517         (df_update_entry_block_defs): Likewise.
24518         (df_update_exit_block_uses): Likewise.
24519         (df_entry_block_bitmap_verify): Likewise.
24520         (df_exit_block_bitmap_verify): Likewise.
24521         (df_scan_verify): Likewise.
24522         * lra-constraints.c (lra_constraints): Likewise.
24523         (undo_optional_reloads): Likewise.
24524         (lra_undo_inheritance): Likewise.
24525         * lra-remat.c (calculate_gen_cands): Likewise.
24526         (do_remat): Likewise.
24527         * lra-spills.c (assign_spill_hard_regs): Likewise.
24528         (spill_pseudos): Likewise.
24529         * tree-ssa-pre.c (bitmap_set_and): Likewise.
24530         (bitmap_set_subtract_values): Likewise.
24532 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24534         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
24535         management with auto_bitmap.
24536         (fix_inter_tick): Likewise.
24537         (fix_recovery_deps): Likewise.
24538         * ira.c (add_store_equivs): Likewise.
24539         (find_moveable_pseudos): Likewise.
24540         (split_live_ranges_for_shrink_wrap): Likewise.
24541         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
24542         (rtx_reuse_manager::seen_def_p): Likewise.
24543         (rtx_reuse_manager::set_seen_def): Likewise.
24544         * print-rtl.h (class rtx_reuse_manager): Likewise.
24546 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24548         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
24549         lifetime.
24550         (migrate_btr_def): Likewise.
24551         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
24552         * df-core.c (loop_post_order_compute): Likewise.
24553         (loop_inverted_post_order_compute): Likewise.
24554         * hsa-common.h: Likewise.
24555         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
24556         * init-regs.c (initialize_uninitialized_regs): Likewise.
24557         * ipa-inline.c (resolve_noninline_speculation): Likewise.
24558         (inline_small_functions): Likewise.
24559         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
24560         * ira.c (combine_and_move_insns): Likewise.
24561         (build_insn_chain): Likewise.
24562         * loop-invariant.c (find_invariants): Likewise.
24563         * lower-subreg.c (propagate_pseudo_copies): Likewise.
24564         * predict.c (tree_predict_by_opcode): Likewise.
24565         (predict_paths_leading_to): Likewise.
24566         (predict_paths_leading_to_edge): Likewise.
24567         (estimate_loops_at_level): Likewise.
24568         (estimate_loops): Likewise.
24569         * shrink-wrap.c (try_shrink_wrapping): Likewise.
24570         (spread_components): Likewise.
24571         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
24572         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
24573         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
24574         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
24575         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
24576         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
24577         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
24578         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
24579         (mark_threaded_blocks): Likewise.
24580         (thread_through_all_blocks): Likewise.
24581         * tree-ssa.c (verify_ssa): Likewise.
24582         (execute_update_addresses_taken): Likewise.
24583         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
24585 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24587         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
24588         auto_vec.
24589         (post_order_compute): Likewise.
24590         (inverted_post_order_compute): Likewise.
24591         (pre_and_rev_post_order_compute_fn): Likewise.
24593 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24595         * genrecog.c (int_set::int_set): Explicitly construct our
24596         auto_vec base class.
24597         * vec.h (auto_vec::auto_vec): New constructor.
24599 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24601         * bitmap.h (class auto_bitmap): New constructor taking
24602         bitmap_obstack * argument.
24604 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
24606         * bitmap.h (class auto_bitmap): Change type of m_bits to
24607         bitmap_head, and adjust ctor / dtor and member operators.
24609 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
24611         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
24612         when returned register mode doesn't match original mode.
24614 2017-05-12  Jeff Law  <law@redhat.com>
24615             Jakub Jelinek  <jakub@redhat.com>
24617         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
24618         we look for cc setter after the compare-elim changes.
24619         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
24620         within the vector to match what compare-elim now expects.
24621         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
24622         (xorsi3_flags, one_cmplsi2_flags): Likewise.
24624         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
24625         after the compare-elim changes.
24626         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
24627         the vector to match what compare-elim now expects.
24628         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
24629         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
24630         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
24631         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
24632         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
24634         * config/visium/visium.c (single_set_and_flags): Fix where
24635         we look for cc setter after the compare-elim changes.
24636         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
24637         with the vector to match what compare-elim now expects.
24638         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
24639         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
24640         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
24641         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
24642         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
24643         (neg<mode>2_insn_set_overflow): Likewise.
24645 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
24647         PR middle-end/79794
24648         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
24649         maybe_expand_insn call, set ops[0].target.  If still set after call,
24650         set alt_rtl.  Add extra arg to recursive calls.
24651         (extract_bit_field): Add alt_rtl argument.  Pass to
24652         extract_bit_field.
24653         * expmed.h (extract_bit_field): Fix prototype.
24654         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
24655         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
24656         to extract_bit_field_calls.
24657         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
24658         Pass alt_rtl to extract_bit_field calls.
24659         * calls.c (store_unaligned_arguments_into_psuedos)
24660         load_register_parameters): Pass extra NULL to extract_bit_field calls.
24661         * optabs.c (maybe_legitimize_operand): Clear op->target when call
24662         gen_reg_rtx.
24663         * optabs.h (struct expand_operand): Add target bitfield.
24665 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
24667         * compare-elim.c (try_eliminate_compare): Canonicalize
24668         operation with embedded compare to
24669         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
24670          (set (reg) (operation)].
24672         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
24674 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
24676         PR target/80723
24677         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
24678         cost of adding a carry flag for ADC instruction.
24679         [case MINUS]: Ignore the cost of subtracting a carry flag
24680         for SBB instruction.
24682 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
24684         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
24685         and x86intrin.h
24686         * config/rs6000/bmiintrin.h: New file.
24687         * config/rs6000/bmi2intrin.h: New file.
24688         * config/rs6000/x86intrin.h: New file.
24690 2017-05-12  Jeff Law  <law@redhat.com>
24692         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
24693         markers.
24695 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
24697         PR middle-end/80707
24698         * tree-cfg.c: Remove cfg edges of unreachable case statements.
24700 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
24702         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
24703         early expansion of vector divide builtins.
24704         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
24705         builtins identified as having unsigned arguments.
24707 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
24709         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
24710         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
24711         expansion of vector logical operations (and, andc, or, xor,
24712         nor, orc, nand).
24714 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
24716         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
24717         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
24719 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
24721         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
24722         early GIMPLE expansion of vector multiplies.
24724 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
24726         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
24727         TARGET_HAVE_MOVT conditional.
24728         (movt splitter): Likewise.
24730 2017-05-12  Richard Biener  <rguenther@suse.de>
24732         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
24733         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
24734         Fold all stmts not inplace.
24736 2017-05-12  Richard Biener  <rguenther@suse.de>
24738         PR tree-optimization/80713
24739         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
24740         inserted_exprs bit for not removed stmts.
24742 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
24744         PR middle-end/69921
24745         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
24746         parallelized" attribute for parallelized OpenACC kernels.
24747         * omp-offload.c (execute_oacc_device_lower): Use it.
24749         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
24750         Set "oacc kernels" attribute.
24751         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
24752         parameter.  Adjust all users.
24753         (oacc_fn_attrib_kernels_p): Remove function.
24754         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
24755         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
24756         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
24757         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
24758         assert "oacc kernels" attribute is set.
24760 2017-05-11  Carl Love  <cel@us.ibm.com>
24762         * config/rs6000/rs6000-c: Add support for built-in functions
24763         vector unsigned char vec_popcnt (vector signed char)
24764         vector unsigned char vec_popcnt (vector unsigned char)
24765         vector unsigned short vec_popcnt (vector signed short)
24766         vector unsigned short vec_popcnt (vector unsigned short)
24767         vector unsigned int vec_popcnt (vector signed int)
24768         vector unsigned int vec_popcnt (vector unsigned int)
24769         vector unsigned long long vec_popcnt (vector signed long long)
24770         vector unsigned long long vec_popcnt (vector unsigned long long)
24771         vector signed long long vec_slo (vector signed long long,
24772                                          vector signed char)
24773         vector signed long long vec_slo (vector signed long long,
24774                                          vector unsigned char)
24775         vector unsigned long long vec_slo (vector unsigned long long,
24776                                            vector signed char)
24777         vector unsigned long long vec_slo (vector unsigned long long,
24778                                            vector unsigned char)
24779         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
24780         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
24781         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
24782         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
24783         * doc/extend.texi: Update the built-in documentation file for the
24784         new built-in functions.
24786 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
24788         * attribs.h (sorted_attr_string): Move machine independent
24789         functions for target clone support from the i386 port to common
24790         code.  Rename ix86_function_versions to common_function_versions.
24791         Rename make_name to make_unique_name.
24792         (common_function_versions): Likewise.
24793         (make_unique_name): Likewise.
24794         (make_dispatcher_decl): Likewise.
24795         (is_function_default_version): Likewise.
24796         * attribs.c (attr_strcmp): Likewise.
24797         (sorted_attr_string): Likewise.
24798         (common_function_versions): Likewise.
24799         (make_unique_name): Likewise.
24800         (make_dispatcher_decl): Likewise.
24801         (is_function_default_version): Likewise.
24802         * config/i386/i386.c (attr_strcmp): Likewise.
24803         (sorted_attr_string): Likewise.
24804         (ix86_function_versions): Likewise.
24805         (make_name): Likewise.
24806         (make_dispatcher_decl): Likewise.
24807         (is_function_default_version): Likewise.
24808         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
24810 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24812         PR target/80695
24813         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
24814         Account for direct move costs for vec_construct of integer
24815         vectors.
24817 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
24819         PR target/80706
24820         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
24821         (UNSPEC_STX_ATOMIC): Ditto.
24822         (loaddi_via_sse): New insn.
24823         (storedi_via_sse): Ditto.
24824         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
24825         Update corresponding peephole2 patterns.
24826         (atomic_storedi_fpu): Ditto.
24828 2017-05-11  Julia Koval  <julia.koval@intel.com>
24830         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
24831         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
24832         New intrinsics.
24833         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
24834         (__builtin_ia32_rsqrt14ss_mask): New builtins.
24835         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
24837 2017-05-11  Nathan Sidwell  <nathan@acm.org>
24839         * graphite-poly.c: Include dumpfile.h.
24841         * dumpfle.h (dump_function): Declare here ...
24842         * tree-dump.h (dump_function): ... not here.
24843         * dumpfile.c: #include tree-cfg.h.
24844         (dump_function): Move here from ...
24845         * tree-dump.c (dump_function): ... here.
24846         * gimplify.c: #include splay-tree.h, not tree-dump.h.
24847         * graphite-poly.c: Don't include tree-dump.h.
24848         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
24849         * print-tree.c: Likewise.
24850         * stor-layout.c: Likewise.
24851         * tree-nested.c: Likewise.
24853         * dumpfile.c (dump_start): Use TDF_FLAGS.
24854         (dump_enable_all): Fix TDF_KIND check thinko.
24856 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
24858         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24859         array entries to represent two legal parameterizations of the
24860         overloaded __builtin_cmpb function, as represented by the
24861         P6_OV_BUILTIN_CMPB constant.
24862         (altivec_resolve_overloaded_builtin): Add special case handling
24863         for the __builtin_cmpb function, as represented by the
24864         P6_OV_BUILTIN_CMPB constant.
24865         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
24866         (BU_P6_64BIT_2): New macro.
24867         (BU_P6_OVERLOAD_2): New macro
24868         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
24869         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
24870         (CMPB): Add overload support to represent both 32-bit and 64-bit
24871         compare-bytes function.
24872         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
24873         support for TARGET_CMPB.
24874         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
24875         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
24876         documentation of the __builtin_cmpb overloaded built-in function.
24878 2017-05-11  Richard Biener  <rguenther@suse.de>
24880         PR tree-optimization/80705
24881         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
24882         bases are not vectorizable.
24884 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24886         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
24887         when counting register pressure.
24889 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24891         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
24892         (iv_ca_more_deps): Renamed to ...
24893         (iv_ca_compare_deps): ... this.
24894         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
24896 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24898         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
24899         to ...
24900         (determine_group_iv_costs): ... here.
24901         (find_inv_vars_cb): Record inv var if it's not recorded before.
24903 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24905         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
24906         (get_shiftadd_cost): Ditto.
24908 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24910         * tree-ssa-address.c: Include header file.
24911         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
24912         address.
24913         (add_to_parts): Refactor.
24914         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
24915         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
24916         in new order.
24918 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24920         PR tree-optimization/53090
24921         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
24922         COMP_IV_EXPR_2.
24923         (extract_cond_operands): Detect condition with IV on both sides
24924         and return COMP_IV_EXPR_2.
24925         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
24926         (rewrite_use_compare): Simplify by removing call to function
24927         extract_cond_operands.
24929 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24931         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
24932         (extract_cond_operands): Detect condition comparing against non-
24933         invariant bound and return appropriate enum value.
24934         (find_interesting_uses_cond): Update use of extract_cond_operands.
24935         Handle its return value accordingly.
24936         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
24938 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24940         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
24941         nonlinear iv_use computation in loop invariant sensitive way.
24943 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24945         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
24946         (find_iv_candidates): Call relate_compare_use_with_all_cands.
24948 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24950         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
24951         (dump_cand): Support iv_cand.inv_exprs.
24952         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
24953         for candidates.
24954         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
24955         iv_cand.inv_exprs.
24957 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24959         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
24960         from ...
24961         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
24962         as local function.  Include necessary header files.
24963         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
24965 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24967         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
24969 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24971         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
24972         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
24973         RSHIFT_EXPR and BIT_NOT_EXPR.
24975 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24977         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
24978         (adjust_setup_cost): New parameter supporting round up adjustment.
24979         (struct address_cost_data): Delete.
24980         (force_expr_to_var_cost): Don't bound cost with spill_cost.
24981         (split_address_cost, ptr_difference_cost): Delete.
24982         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
24983         (struct ainc_cost_data): New struct.
24984         (get_address_cost_ainc): New function.
24985         (get_address_cost, get_computation_cost): Reimplement.
24986         (determine_group_iv_cost_address): Record inv_expr for all uses of
24987         a group.
24988         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
24989         (iv_ca_has_deps): Reimplemented to ...
24990         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
24991         than OLD_CP.
24992         (iv_ca_extend): Call iv_ca_more_deps.
24994 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
24996         * tree-ssa-address.c (struct mem_address): Move to header file.
24997         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
24998         * tree-ssa-address.h (struct mem_address): Move from C file.
24999         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
25001 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
25003         * tree-affine.h (aff_combination_type): New interface.
25004         (aff_combination_zero_p): Remove static.
25005         (aff_combination_const_p): New interface.
25006         (aff_combination_singleton_var_p): New interfaces.
25008 2017-05-11  Richard Biener  <rguenther@suse.de>
25010         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
25011         Skip unreachable blocks and destinations.
25012         (eliminate): Move stmt removal and fixup ...
25013         (fini_eliminate): ... here.  Skip inserted exprs.
25014         (pass_pre::execute): Move fini_pre after fini_eliminate.
25015         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
25016         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
25017         PRE to get rid of dead code that has invalid SSA form and
25018         split critical edges again.
25020 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
25022         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
25024 2017-05-11  Richard Biener  <rguenther@suse.de>
25026         * passes.c (execute_function_todo): Verify loops if they are
25027         said to be up-to-date.
25028         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
25029         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
25031 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
25033         PR target/80090
25034         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
25035         handle calling assemble_external ourself.
25037         PR target/79027
25038         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
25039         modes with zero size.  Enhance comment.
25041 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25043         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
25044         built-ins for vec_xl and vec_xst with short and char pointer
25045         arguments.
25047 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
25049         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
25050         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
25051         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
25052         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
25053         (_mm_maskz_min_round_ss): New intrinsics.
25054         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
25055         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
25056         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
25057         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
25058         (__builtin_ia32_minss_mask_round): New builtins.
25059         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
25060         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
25061         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
25062         Rename to ...
25063         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
25064         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
25065         Change to ...
25066         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
25067         ... this.
25069 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
25071         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
25072         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
25073         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
25074         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
25075         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
25076         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
25077         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
25078         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
25079         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
25080         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
25081         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
25082         (__builtin_ia32_mulss_mask_round): New builtins.
25083         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
25084         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
25085         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
25086         Rename to ...
25087         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
25088         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
25089         Change to ...
25090         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
25091         ... this.
25093 2017-05-10  Julia Koval  <julia.koval@intel.com>
25095         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
25096         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
25097         (_mm256_setr_m128i): New intrinsics.
25099 2017-05-10  Julia Koval  <julia.koval@intel.com>
25101         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
25102         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
25103         (_mm_maskz_rcp14_ss): New intrinsics.
25104         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
25105         (__builtin_ia32_rcp14ss_mask): New builtins.
25106         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
25108 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
25110         PR tree-optimization/51513
25111         * tree-cfg.c (gimple_seq_unreachable_p): New function.
25112         (assert_unreachable_fallthru_edge_p): Use it.
25113         (group_case_labels_stmt): Likewise.
25114         * tree-cfg.h: Prototype it.
25115         * stmt.c: Include cfghooks.h and tree-cfg.h.
25116         (emit_case_dispatch_table) <gap_label>: New local variable.
25117         Use it to fill dispatch table gaps.
25118         Test for default_label before updating probabilities.
25119         (expand_case) <default_label>: Remove unneeded initialization.
25120         Test for unreachable default case statement and remove its edge.
25121         Set default_label accordingly.
25122         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
25124 2017-05-10  Carl Love  <cel@us.ibm.com>
25126         * config/rs6000/rs6000-c: Add support for built-in functions
25127         vector signed char      vec_neg (vector signed char)
25128         vector signed short int vec_neg (vector short int)
25129         vector signed int       vec_neg (vector signed int)
25130         vector signed long long vec_neg (vector signed long long)
25131         vector float            vec_neg (vector float)
25132         vector double           vec_neg (vector double)
25133         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
25134         overload.
25135         * config/rs6000/altivec.h: Add define for vec_neg
25136         * doc/extend.texi: Update the built-in documentation for the
25137         new built-in functions.
25139 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
25141         PR tree-optimization/77644
25142         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
25144 2017-05-10  Nathan Sidwell  <nathan@acm.org>
25146         * dumpfile.h (TDI_lang_all): New.
25147         (TDF_KIND): New. Renumber others
25148         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
25149         than bits.
25150         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
25151         lang-all.
25152         (get_dump_file_name): Adjust suffix generation.
25153         (dump_enable_all): Use TDF_KIND.
25154         * doc/invoke.texi (-fdump-lang-all): Document.
25156         * dumpfile.h: Tabify.
25158 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
25160         PR target/80671
25161         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
25162         Move member access before delete.
25164 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
25166         * tree-inline.c (expand_call_inline): Split block at stmt
25167         before the call.
25169 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
25171         PR target/68163
25172         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
25173         are now unused after splitting mov{sf,sd}_hardfloat.
25174         (f32_lr2): Likewise.
25175         (f32_lm): Likewise.
25176         (f32_lm2): Likewise.
25177         (f32_li): Likewise.
25178         (f32_li2): Likewise.
25179         (f32_lv): Likewise.
25180         (f32_sr): Likewise.
25181         (f32_sr2): Likewise.
25182         (f32_sm): Likewise.
25183         (f32_sm2): Likewise.
25184         (f32_si): Likewise.
25185         (f32_si2): Likewise.
25186         (f32_sv): Likewise.
25187         (f32_dm): Likewise.
25188         (f32_vsx): Likewise.
25189         (f32_av): Likewise.
25190         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
25191         For movsf, order stores so the VSX stores occur before the GPR
25192         store which encourages the register allocator to use a traditional
25193         FPR instead of a GPR.  For movsd, order the stores so that the GPR
25194         store comes before the VSX stores to allow the power6 to work.
25195         This is due to the power6 not having a 32-bit integer store
25196         instruction from a FPR.
25197         (movsf_hardfloat): Likewise.
25198         (movsd_hardfloat): Likewise.
25200 2017-05-09  Martin Sebor  <msebor@redhat.com>
25202         PR translation/80280
25203         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
25204         added in r247778.
25206         PR translation/80280
25207         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
25208         data member added in r247778.
25209         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
25211 2017-05-09  Nathan Sidwell  <nathan@acm.org>
25213         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
25215         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
25216         typedefs.
25218 2017-05-09  Marek Polacek  <polacek@redhat.com>
25220         * doc/invoke.texi: Fix typo.
25222 2017-05-09  Richard Biener  <rguenther@suse.de>
25224         * tree-vrp.c (vrp_val_is_max): Adjust comment.
25225         (vrp_val_is_min): Likewise.
25226         (set_value_range_to_value): Likewise.
25227         (set_value_range_to_nonnegative): Likewise.
25228         (gimple_assign_nonzero_p): Likewise.
25229         (gimple_stmt_nonzero_p): Likewise.
25230         (vrp_int_const_binop): Likewise.  Remove unreachable case.
25231         (adjust_range_with_scev): Adjust comments.
25232         (compare_range_with_value): Likewise.
25233         (extract_range_from_phi_node): Likewise.
25234         (test_for_singularity): Likewise.
25236 2017-05-09  Richard Biener  <rguenther@suse.de>
25238         * tree-vrp.c (get_single_symbol): Add assert that we don't
25239         get overflowed constants as invariant part.
25240         (compare_values_warnv): Add comment before the TREE_NO_WARNING
25241         checks.  Use wi::cmp instead of recursing for integer constants.
25242         (compare_values): Just ignore whether we assumed undefined
25243         overflow instead of failing the compare.
25244         (extract_range_for_var_from_comparison_expr): Add comment before the
25245         TREE_NO_WARNING sets.
25246         (test_for_singularity): Likewise.
25247         (extract_range_from_comparison): Do not disable optimization
25248         when we assumed undefined overflow.
25249         (extract_range_basic): Remove init of unused var.
25251 2017-05-09  Richard Biener  <rguenther@suse.de>
25253         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
25254         (extract_range_from_multiplicative_op_1): Adjust.
25255         (extract_range_from_binary_expr_1): Use int_const_binop.
25257 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
25259         PR target/80101
25260         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
25261         rs6000_store_data_bypass_p in seven define_bypass directives and
25262         in several comments.
25263         * config/rs6000/rs6000-protos.h: Add prototype for
25264         rs6000_store_data_bypass_p function.
25265         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
25266         function implements slightly different (rs6000-specific) semantics
25267         than store_data_bypass_p, returning false rather than aborting
25268         with assertion error when arguments do not satisfy the
25269         requirements of store data bypass.
25270         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
25271         rs6000_store_data_bypass_p.
25273 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
25275         * config/xtensa/xtensa-protos.h
25276         (xtensa_initial_elimination_offset): New declaration.
25277         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
25278         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
25279         macro definition, add case for FRAME_POINTER_REGNUM when
25280         FRAME_GROWS_DOWNWARD.
25281         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
25282         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
25283         xtensa_initial_elimination_offset.
25285 2017-05-08  Nathan Sidwell  <nathan@acm.org>
25287         * doc/invoke.texi: Alphabetize -fdump options.
25289 2017-05-08  Martin Sebor  <msebor@redhat.com>
25291         PR translation/80280
25292         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
25294 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
25296         * target.def (compute_frame_layout): New optional target hook.
25297         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
25298         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
25299         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
25300         target hook.
25301         * reload1.c (verify_initial_elim_offsets): Likewise.
25302         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
25303         (use_simple_return_p): Call arm_compute_frame_layout if needed.
25304         (arm_get_frame_offsets): Split up into this ...
25305         (arm_compute_frame_layout): ... and this function.
25307 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
25309         * config/aarch64/constraints.md (Usa): New constraint.
25310         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
25312 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
25314         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
25315         with_multilib_list after it has been checked.
25317 2017-05-08  Richard Biener  <rguenther@suse.de>
25319         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
25320         (bitmap_set_subtract_values): Likewise.
25322 2017-05-08  Richard Biener  <rguenther@suse.de>
25324         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
25325         (gimple_assign_nonzero): ... this and remove strict_overflow_p
25326         argument.
25327         (gimple_stmt_nonzero_warnv_p): Rename to ...
25328         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
25329         argument.
25330         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
25331         (extract_range_basic): Adjust, do not disable propagation on
25332         strict overflow sensitive simplification.
25333         (vrp_visit_cond_stmt): Likewise.
25335 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
25337         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
25338         body size unconditionally.
25340 2017-05-07  Jeff Law  <law@redhat.com>
25342         Revert:
25343         2017-05-06  Jeff Law  <law@redhat.com>
25344         PR tree-optimization/78496
25345         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
25346         code.
25348         PR tree-optimization/78496
25349         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
25350         (simplify_stmt_using_ranges): Call it.
25351         (vrp_dom_walker::before_dom_children): Extract equivalences
25352         from an ASSERT_EXPR with an equality comparison against a
25353         constant.
25355 2017-05-06  Jeff Law  <law@redhat.com>
25357         PR tree-optimization/78496
25358         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
25359         code.
25361         PR tree-optimization/78496
25362         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
25363         (simplify_stmt_using_ranges): Call it.
25364         (vrp_dom_walker::before_dom_children): Extract equivalences
25365         from an ASSERT_EXPR with an equality comparison against a
25366         constant.
25368 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
25370         * lra-constraints.c (lra_copy_reg_equiv): New function.
25371         (split_reg): Use it to copy equivalence information from the
25372         original register to the spill register.
25374 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
25376         PR rtl-optimization/75964
25377         * simplify-rtx.c (simplify_const_relational_operation): Remove
25378         invalid handling of comparisons of integer ABS.
25380 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
25382         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
25383         initialize to zero.
25384         (init_regs): Remove declaration.
25385         (function_arg_advance_32): Initialize error_p as boolean variable.
25387 2017-05-05  Nathan Sidwell  <nathan@acm.org>
25389         * store-motion.c (remove_reachable_equiv_notes): Reformat long
25390         lines.  Use for (;;).
25392 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25394         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
25395         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
25396         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
25397         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
25398         VF=2 that require versioning.
25400 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25402         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
25403         int.
25405 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25407         * diagnostic.h (diagnostic_override_option_index): Convert from
25408         macro to inline function.
25410 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25412         * diagnostic.c (last_module_changed_p): New function.
25413         (set_last_module): New function.
25414         (diagnostic_report_current_module): Convert macro usage to
25415         the above functions.
25416         * diagnostic.h (diagnostic_context::last_module): Strengthen
25417         from const line_map * to const line_map_ordinary *.
25418         (diagnostic_last_module_changed): Delete macro.
25419         (diagnostic_set_last_module): Delete macro.
25421 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25423         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
25424         with diagnostic_report_diagnostic.
25425         (diagnostic_n_impl_richloc): Likewise.
25426         * diagnostic.h (report_diagnostic): Delete macro.
25427         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
25428         with diagnostic_report_diagnostic.
25429         * substring-locations.c (format_warning_va): Likewise.
25431 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25433         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
25434         save/restor of format_spec.  Move option-printing code to...
25435         (print_option_information): ...this new function, and
25436         reimplement by simply printing to the pretty_printer,
25437         rather than appending to the format string.
25439 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
25441         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
25442         handling logic into...
25443         (update_effective_level_from_pragmas): ...this new function.
25445 2017-05-04  Andrew Waterman  <andrew@sifive.com>
25447         * config/riscv/riscv.opt (mstrict-align): New option.
25448         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
25449         (SLOW_UNALIGNED_ACCESS): Define.
25450         (riscv_slow_unaligned_access): Declare.
25451         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
25452         field.
25453         (riscv_slow_unaligned_access): New variable.
25454         (rocket_tune_info): Set slow_unaligned_access to true.
25455         (optimize_size_tune_info): Set slow_unaligned_access to false.
25456         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
25457         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
25458         (riscv_option_override): Set riscv_slow_unaligned_access.
25459         * doc/invoke.texi: Add -mstrict-align to RISC-V.
25461 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
25463         * config/riscv/riscv.md: Unify indentation.
25465 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
25467         PR target/79038
25468         PR target/79202
25469         PR target/79203
25470         * config/rs6000/rs6000.md (u code attribute): Add FIX and
25471         UNSIGNED_FIX.
25472         (extendsi<mode>2): Add support for doing sign extension via
25473         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
25474         don't have ISA 3.0 instructions.
25475         (extendsi<mode>2 splitter): Likewise.
25476         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
25477         generate the normal insns since SImode can now go in vector
25478         registers.  Disallow the special UNSPECs needed for previous
25479         machines to hide SImode being used.  Add new insns
25480         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
25481         (fix_trunc<mode>si2_stfiwx): Likewise.
25482         (fix_trunc<mode>si2_internal): Likewise.
25483         (fixuns_trunc<mode>si2): Likewise.
25484         (fixuns_trunc<mode>si2_stfiwx): Likewise.
25485         (fctiw<u>z_<mode>_smallint): Likewise.
25486         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
25487         of floating point to 32-bit integer from doing a direct move to
25488         the GPR registers to do a store.
25489         (fctiwz_<mode>): Break long line.
25491 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
25493         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
25494         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
25495         (addr_list, addr_offset_valid_p): New.
25496         (split_address_groups): Check offset validity with above function.
25497         (gt-tree-ssa-loop-ivopts.h): Include header file.
25499 2017-05-05  Nathan Sidwell  <nathan@acm.org>
25501         * config.gcc (arm*-*-*): Add missing 'fi'.
25503 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
25505         * doc/invoke.texi (-fopt-info): Explicitly say order of options
25506         included in -fopt-info does not matter.
25507         * doc/optinfo.texi (-fopt-info): Fix description of default
25508         behavour. Explicitly say order of options included in -fopt-info
25509         does not matter.
25511 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
25513         * config.gcc: Allow combinations of aprofile and rmprofile values for
25514         --with-multilib-list.
25515         * config/arm/t-multilib: New file.
25516         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
25517         variables.  Remove setting of ISA and floating-point ABI in
25518         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
25519         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
25520         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
25521         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
25522         CPU options.
25523         * config/arm/t-rmprofile: Likewise except for the matches changes.
25524         * doc/install.texi (--with-multilib-list): Document the combination of
25525         aprofile and rmprofile values and warn about pitfalls in doing that.
25527 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
25529         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
25530         (movdi_aarch64): Likewise.
25532 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
25534         PR tree-optimization/80632
25535         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
25536         field.
25537         (build_arrays): Initialize it for virtual phis.
25538         (fix_phi_nodes): Use it for virtual phis.
25540         PR tree-optimization/80558
25541         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
25542         [x, y] op z into [x op, y op z] for op & or | if conditions
25543         are met.
25545 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25546             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
25548         PR target/71607
25549         * config/arm/arm.md (use_literal_pool): Remove.
25550         (64-bit immediate split): No longer takes cost into consideration
25551         if arm_disable_literal_pool is enabled.
25552         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
25553         used when arm_disable_literal_pool is enabled.
25554         (arm_max_const_double_inline_cost): Remove use of
25555         arm_disable_literal_pool.
25556         (push_minipool_fix): Add assert.
25557         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
25558         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
25559         (no_literal_pool_sf_immediate): New.
25561 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
25563         PR tree-optimization/80613
25564         * tree-ssa-dce.c (propagate_necessity): Remove cases for
25565         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
25567 2017-05-05  Richard Biener  <rguenther@suse.de>
25569         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
25571 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
25573         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
25574         of this flag from insn conditions due to removal from r247495.
25576 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
25578         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
25579         New function.
25580         (arm_early_store_addr_dep_ptr): Likewise.
25581         * config/arm/aarch-common-protos.h
25582         (arm_early_load_addr_dep_ptr): Add prototype.
25583         (arm_early_store_addr_dep_ptr): Likewise.
25584         * config/arm/cortex-a53.md: Add new bypasses.
25586 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
25588         * tree.c (next_type_uid): Change type to unsigned.
25589         (type_hash_canon): Decrement back next_type_uid if
25590         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
25591         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
25592         if possible.
25594 2017-05-04  Martin Sebor  <msebor@redhat.com>
25596         * builtins.c: Fix a trivial typo in a comment.
25598         PR middle-end/79234
25599         * builtins.c (check_sizes): Adjust to handle reading past the end.
25600         Avoid printing excessive upper bound of ranges.  Use %E to print
25601         tree nodes instead of converting them to %wu.
25602         (expand_builtin_memchr): New function.
25603         (compute_dest_size): Rename...
25604         (compute_objsize): ...to this.
25605         (expand_builtin_memcpy): Adjust.
25606         (expand_builtin_mempcpy): Adjust.
25607         (expand_builtin_strcat): Adjust.
25608         (expand_builtin_strcpy): Adjust.
25609         (check_strncat_sizes): Adjust.
25610         (expand_builtin_strncat): Adjust.
25611         (expand_builtin_strncpy): Adjust and simplify.
25612         (expand_builtin_memset): Adjust.
25613         (expand_builtin_bzero): Adjust.
25614         (expand_builtin_memcmp): Adjust.
25615         (expand_builtin): Handle memcmp.
25616         (maybe_emit_chk_warning): Check strncat just once.
25618 2017-05-04  Martin Sebor  <msebor@redhat.com>
25620         PR preprocessor/79214
25621         PR middle-end/79222
25622         PR middle-end/79223
25623         * builtins.c (check_sizes): Add inlining context and issue
25624         warnings even when -Wno-system-headers is set.
25625         (check_strncat_sizes): Same.
25626         (expand_builtin_strncat): Same.
25627         (expand_builtin_memmove): New function.
25628         (expand_builtin_stpncpy): Same.
25629         (expand_builtin): Handle memmove and stpncpy.
25631 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
25633         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
25634         which is not used any more.
25636 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
25638         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
25640 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
25642         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
25643         (cortexa53_tunings): Likewise.
25644         (cortexa57_tunings): Likewise.
25645         (cortexa72_tunings): Likewise.
25646         (cortexa73_tunings): Likewise.
25648 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
25650         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
25651         Set loop alignment to 8.
25653 2017-05-04  Martin Sebor  <msebor@redhat.com>
25655         PR translation/80280
25656         * builtins.c (expand_builtin_object_size): Add missing quoting to
25657         %D and like directives.
25658         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
25659         (hsa_type_for_tree_type): Same.
25660         (verify_function_arguments): Same.
25661         * symtab.c (symbol_table::change_decl_assembler_name): Same.
25662         * varasm.c (get_section): Same.
25663         (mark_weak): Same.
25665 2017-05-04  Martin Sebor  <msebor@redhat.com>
25667         PR translation/80280
25668         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
25670 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
25672         * config/aarch64/aarch64.c (generic_addrcost_table):
25673         Change HI/TI mode setting.
25675 2017-05-04  Martin Jambor  <mjambor@suse.cz>
25677         PR tree-optimization/80622
25678         * tree-sra.c (comes_initialized_p): New function.
25679         (build_accesses_from_assign): Only set write lazily when
25680         comes_initialized_p is false.
25681         (analyze_access_subtree): Use comes_initialized_p.
25682         (propagate_subaccesses_across_link): Assert !comes_initialized_p
25683         instead of testing for PARM_DECL.
25685 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25687         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
25688         constraint on operand 0 to allow more general addressing modes.
25689         Adjust output template.
25690         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
25691         New function.
25692         * config/aarch64/aarch64-protos.h
25693         (aarch64_address_valid_for_prefetch_p): Declare prototype.
25694         * config/aarch64/constraints.md (Dp): New address constraint.
25695         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
25696         predicate.
25698 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
25700         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
25701         update use of estimate_ipcp_clone_size_and_time.
25702         (estimate_local_effects): Update use of
25703         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
25704         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
25705         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
25706         Return nonspecialized time.
25708 2017-05-04  Richard Biener  <rguenther@suse.de>
25710         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
25711         for the last VUSE which def dominates the PHI.  Directly call
25712         maybe_skip_until.
25713         (get_continuation_for_phi_1): Remove.
25715 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
25717         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
25718         to explain the use of truncating division.  Cap the number of
25719         iterations to the maximum given by nb_iterations_upper_bound,
25720         if defined.
25722 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
25724         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
25725         * configure: Regenerate.
25726         * config.in: Regenerate.
25727         * config/i386/driver-mingw32.c: new file.
25728         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
25729         * config.host: Link driver-mingw32.o on MinGW host.
25730         * doc/install.texi: Document new --enable-mingw-wildcard configure
25731         option.
25733 2017-05-04  Marek Polacek  <polacek@redhat.com>
25735         PR tree-optimization/80612
25736         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
25738 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
25739             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
25741         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
25742         (movt splitter): Likewise.
25743         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
25744         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
25745         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
25746         block for Thumb-1 with MOVT.
25747         (thumb2_legitimate_address_p): Move code block ...
25748         (can_avoid_literal_pool_for_label_p): ... into this new function.
25749         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
25750         literal pool.
25751         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
25752         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
25753         "M-profile targets with the MOVT instruction".
25755 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
25757         * config/arm/arm-builtins.c (arm_init_builtins): Rename
25758         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
25759         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
25761 2017-05-04  Martin Liska  <mliska@suse.cz>
25763         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
25764         variable cond_code.
25766 2017-05-04  Richard Biener  <rguenther@suse.de>
25768         * tree.c (array_at_struct_end_p): Handle arrays at struct
25769         end with flexarrays more conservatively.  Refactor and treat
25770         arrays of arrays or aggregates more strict.  Fix
25771         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
25772         * tree.c (array_at_struct_end_p): Adjust prototype.
25773         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
25774         * gimple-fold.c (get_range_strlen): Likewise.
25775         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
25777 2017-05-04  Richard Biener  <rguenther@suse.de>
25779         PR tree-optimization/31130
25780         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
25781         false.
25782         (supports_overflow_infinity): Likewise.
25783         (is_negative_overflow_infinity): Likewise.
25784         (is_positive_overflow_infinity): Likewise.
25785         (is_overflow_infinity): Likewise.
25786         (stmt_overflow_infinity): Likewise.
25787         (overflow_infinity_range_p): Likewise.
25788         (usable_range_p): Remove as always returning true.
25789         (make_overflow_infinity): Remove.
25790         (negative_overflow_infinity): Likewise.
25791         (positive_overflow_infinity): Likewise.
25792         (avoid_overflow_infinity): Likewise.
25793         (set_value_range): Adjust accordingly.
25794         (set_value_range_to_nonnegative): Likewise, remove now unused
25795         overflow_infinity arg.
25796         (vrp_operand_equal_p): Adjust.
25797         (update_value_range): Likewise.
25798         (range_int_cst_singleton_p): Likewise.
25799         (operand_less_p): Likewise.
25800         (compare_values_warnv): Likewise.
25801         (extract_range_for_var_from_comparison_expr): Likewise.
25802         (vrp_int_const_binop): Likewise.
25803         (zero_nonzero_bits_from_vr): Likewise.
25804         (extract_range_from_multiplicative_op_1): Likewise.
25805         (extract_range_from_binary_expr_1): Likewise.
25806         (extract_range_from_unary_expr): Likewise.
25807         (extract_range_from_comparison): Likewise.
25808         (extract_range_basic): Likewise.
25809         (adjust_range_with_scev): Likewise.
25810         (compare_ranges): Likewise.
25811         (compare_range_with_value): Likewise.
25812         (dump_value_range): Likewise.
25813         (test_for_singularity): Likewise, remove strict_overflow_p parameter
25814         never used.
25815         (simplify_cond_using_ranges): Adjust.
25817 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
25819         * brig-builtins.def: Added a builtin for class_f64.
25820         * builtin-types.def: Added a builtin type needed by class_f64.
25822 2017-05-03  Jason Merrill  <jason@redhat.com>
25824         * timevar.def: Add TV_CONSTEXPR.
25826 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
25828         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
25830 2017-05-03  Martin Jambor  <mjambor@suse.cz>
25832         * ipa-prop.c (ipa_update_after_lto_read): Removed.
25833         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
25834         * ipa-cp.c (ipcp_propagate_stage): Do not call
25835         ipa_update_after_lto_read.
25836         * ipa-inline.c (ipa_inline): Likewise.
25838 2017-05-03  Martin Jambor  <mjambor@suse.cz>
25840         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
25841         tag.  Added a default constructor and a destructor.
25842         (ipa_edge_args_sum_t): New class;
25843         (ipa_edge_args_sum): Declare.
25844         (ipa_edge_args_vector): Remove declaration.
25845         (IPA_EDGE_REF): Use ipa_edge_args_sum.
25846         (ipa_free_edge_args_substructures): Remove declaration.
25847         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
25848         (ipa_edge_args_info_available_for_edge_p): Likewise.
25849         * ipa-prop.c (ipa_edge_args_vector): Removed.
25850         (edge_removal_hook_holder): Likewise.
25851         (edge_duplication_hook_holder): Likewise.
25852         (ipa_edge_args_sum): New variable.
25853         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
25854         ipa_edge_args_vector.
25855         (ipa_free_edge_args_substructures): Likewise.
25856         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
25857         ipa_edge_args_vector.
25858         (ipa_edge_removal_hook): Turned into method
25859         ipa_edge_args_sum_t::remove.
25860         (ipa_edge_duplication_hook): Turned into method
25861         ipa_edge_args_sum_t::duplicate.
25862         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
25863         registering edge hooks.
25864         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
25865         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
25866         ipa_edge_args_sum instead of ipa_edge_args_vector.
25867         * ipa-profile.c (ipa_profile): Likewise.
25869 2017-05-03  Martin Jambor  <mjambor@suse.cz>
25871         * symbol-summary.h (function_summary): New method exists.
25872         (function_summary::symtab_removal): Deallocate through release.
25873         (call_summary): New class.
25874         (gt_ggc_mx): New overload.
25875         (gt_pch_nx): Likewise.
25876         (gt_pch_nx): Likewise.
25878 2017-05-03  Jeff Law  <law@redhat.com>
25880         PR tree-optimization/78496
25881         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
25882         from simplify_cond_using_ranges.  Split off code to walk
25883         backwards through casts into ...
25884         (simplify_cond_using_ranges_2): New function.
25885         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
25886         (execute_vrp): After identifying jump threads, call
25887         simplify_cond_using_ranges_2.
25889 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
25891         PR bootstrap/80609
25892         * ipa-inline.h (inline_summary): Add ctor.
25893         (create_ggc): Do not use ggc_cleared_alloc.
25895 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
25896             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25898         * gcc.c (handle_braces): Support escaping in switch matching
25899         text.
25900         * doc/invoke.texi (Spec Files): Document it.
25901         Remove superfluous @code markup in items.
25903 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
25905         * diagnostic-show-locus.c (struct column_range): New struct.
25906         (get_affected_columns): New function.
25907         (get_printed_columns): New function.
25908         (struct correction): New struct.
25909         (correction::ensure_capacity): New function.
25910         (correction::ensure_terminated): New function.
25911         (struct line_corrections): New struct.
25912         (line_corrections::~line_corrections): New dtor.
25913         (line_corrections::add_hint): New function.
25914         (layout::print_trailing_fixits): Reimplement in terms of the new
25915         classes.
25916         (selftest::test_overlapped_fixit_printing): New function.
25917         (selftest::diagnostic_show_locus_c_tests): Call it.
25919 2017-05-03  Nathan Sidwell  <nathan@acm.org>
25921         Canonicalize canonical type hashing
25922         * tree.h (type_hash_canon_hash): Declare.
25923         * tree.c (type_hash_list, attribute_hash_list): Move into
25924         type_hash_canon_hash.
25925         (build_type_attribute_qual_variant): Break out hash code calc into
25926         type_hash_canon_hash.
25927         (type_hash_canon_hash): New.  Generic type hash computation.
25928         (build_range_type_1, build_array_type_1, build_function_type,
25929         build_method_type_directly, build_offset_type, build_complex_type,
25930         make_vector_type): Call it.
25932 2017-05-03  Richard Biener  <rguenther@suse.de>
25934         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
25935         When all DRs have unknown misaligned do not always peel
25936         when there is a store but apply the same costing model as if
25937         there were only loads.
25939 2017-05-03  Richard Biener  <rguenther@suse.de>
25941         Revert
25942         PR tree-optimization/80492
25943         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
25944         compare_base_decls returning dont-know properly.
25946 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
25948         * config/arm/iterators.md (CCSI): New mode iterator.
25949         (arch): New mode attribute.
25950         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
25951         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
25952         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
25953         code iterator for success result mode.
25954         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
25955         the corresponding new insn generators.
25957 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
25959         Revert r247509
25960         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
25961         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
25963 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
25965         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
25966         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
25967         (DDR_A): Wrap DDR argument in brackets.
25968         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
25969         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
25970         (DDR_REVERSED_P): Likewise.
25972 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
25974         PR tree-optimization/79472
25975         * tree-switch-conversion.c (struct switch_conv_info): Add
25976         contiguous_range and default_case_nonstandard fields.
25977         (collect_switch_conv_info): Compute contiguous_range and
25978         default_case_nonstandard fields, don't clear final_bb if
25979         contiguous_range and only the default case doesn't have the required
25980         structure.
25981         (check_all_empty_except_final): Set default_case_nonstandard instead
25982         of failing if contiguous_range and the default case doesn't have empty
25983         block.
25984         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
25985         and only the default case doesn't have the required constants.  Skip
25986         virtual phis.
25987         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
25988         if default_case_nonstandard.
25989         (build_constructors): Build constant 1 just once.  Assert that default
25990         values aren't inserted in between cases if contiguous_range.  Skip
25991         virtual phis.
25992         (build_arrays): Skip virtual phis.
25993         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
25994         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
25995         Handle virtual phis.
25996         (gen_inbound_check): Handle default_case_nonstandard case.
25997         (process_switch): Adjust check_final_bb caller.  Call
25998         gather_default_values with the first non-default case instead of
25999         default case if default_case_nonstandard.
26001 2017-05-02  Nathan Sidwell  <nathan@acm.org>
26003         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
26004         check.  Fix formatting.
26006 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
26008         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
26009         errors when comparing specialized and unspecialized times.
26011 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
26013         * diagnostic-show-locus.c
26014         (layout::should_print_annotation_line_p): Make private.
26015         (layout::print_annotation_line): Make private.
26016         (layout::annotation_line_showed_range_p): Make private.
26017         (layout::show_ruler): Make private.
26018         (layout::print_source_line): Make private.  Pass in line and
26019         line_width, rather than calling location_get_source_line.  Drop
26020         returned value.
26021         (layout::print_leading_fixits): New method.
26022         (layout::print_any_fixits): Rename to...
26023         (layout::print_trailing_fixits): ...this, and make private.
26024         Don't print newline fixits.
26025         (diagnostic_show_locus): Move logic for printing one row into...
26026         (layout::print_line): ...this new function.  Move the
26027         location_get_source_line call and error-handling from
26028         print_source_line to here.  Call print_leading_fixits, and rename
26029         print_any_fixits to print_trailing_fixits.
26030         (selftest::test_fixit_insert_containing_newline): Update now that
26031         newlines are partially supported.
26032         (selftest::test_fixit_insert_containing_newline_2): New test.
26033         (selftest::test_fixit_replace_containing_newline): Update comments.
26034         (selftest::diagnostic_show_locus_c_tests): Call the new test.
26035         * edit-context.c (class added_line): New class.
26036         (class edited_line): Describe newline handling in comment.
26037         (edited_line::actually_edited_p): New method.
26038         (edited_line::print_content): Delete redundant decl.
26039         (edited_line::m_predecessors): New field.
26040         (edited_file::print_content): Call edited_line::print_content.
26041         (edited_file::print_diff): Update to support newlines.
26042         (edited_file::print_diff_hunk): Likewise.
26043         (edited_file::print_run_of_changed_lines): New function.
26044         (edited_file::print_diff_line): Convert to...
26045         (print_diff_line): ...this.
26046         (edited_file::get_effective_line_count): New function.
26047         (edited_line::edited_line): Initialize new field m_predecessors.
26048         (edited_line::~edited_line): Clean up m_predecessors.
26049         (edited_line::apply_fixit): Handle newlines.
26050         (edited_line::get_effective_line_count): New function.
26051         (edited_line::print_content): New function.
26052         (edited_line::print_diff_lines): New function.
26053         (selftest::test_applying_fixits_insert_containing_newline): New
26054         test.
26055         (selftest::test_applying_fixits_replace_containing_newline): New
26056         test.
26057         (selftest::insert_line): New function.
26058         (selftest::test_applying_fixits_multiple_lines): Add example of
26059         inserting a line.
26060         (selftest::edit_context_c_tests): Call the new tests.
26062 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26064         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
26065         parameter cand.  Update dump information.
26066         (get_computation_cost): Update uses.
26068 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26070         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
26071         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
26072         (get_computation_at, rewrite_use_address): Update use of
26073         get_computation_aff.
26075 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26077         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
26078         (get_computation): Delete.
26079         (get_computation_cost): Implement like get_computation_cost_at.
26080         Use get_computation_at.
26081         (get_computation_cost_at): Delete.
26082         (rewrite_use_nonlinear_expr): Use get_computation_at.
26083         (rewrite_use_compare, remove_unused_ivs): Ditto.
26085 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26087         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
26089 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26091         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
26092         (ivopts_global_cost_for_size): Rename parameter and update uses.
26093         (iv_ca_recount_cost): Update uses.
26094         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
26095         candidates seperately in n_invs and n_cands.
26096         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
26098 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26100         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
26101         (find_inv_vars_cb): New.
26102         (find_depends): Renamed to ...
26103         (find_inv_vars): ... this.
26104         (add_candidate_1, force_var_cost): Call find_inv_vars.
26105         (split_address_cost, determine_group_iv_cost_cond): Ditto.
26107 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26109         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
26110         inv_vars.  Add inv_exprs.
26111         (struct iv_cand): Rename depends_on to inv_vars.
26112         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
26113         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
26114         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
26115         (dump_cand): Dump inv_vars.
26116         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
26117         (record_invariant, find_depends, add_candidate_1): Ditto.
26118         (set_group_iv_cost, force_var_cost): Ditto.
26119         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
26120         (get_computation_cost_at, get_computation_cost): Ditto.
26121         (determine_group_iv_cost_generic): Ditto.
26122         (determine_group_iv_cost_address): Ditto.
26123         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
26124         (determine_group_iv_costs): Ditto.
26125         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
26126         (iv_ca_set_remove_invariants): Renamed to ...
26127         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
26128         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
26129         (iv_ca_set_add_invariants):  Renamed to ...
26130         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
26131         (iv_ca_set_cp): Use iv_ca_set_add_invs.
26132         (iv_ca_has_deps): Support inv_vars and inv_exprs.
26133         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
26134         (create_new_ivs): Remove useless dump.
26136 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26138         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
26139         iv_cand code.
26140         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
26141         (iv_ca_set_no_cp, create_new_iv): Ditto.
26143 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
26145         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
26147 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
26149         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
26150         function tree_check2.
26152 2017-05-02  Martin Liska  <mliska@suse.cz>
26154         * doc/gcov.texi: Add missing preposition.
26155         * gcov.c (function_info::function_info): Properly fill up
26156         all member variables.
26158 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
26160         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
26162 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
26164         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
26166 2017-05-02  Martin Liska  <mliska@suse.cz>
26168         PR lto/77954.
26169         * lto-streamer-in.c (lto_read_tree_1): Remove
26170         LTO_STREAMER_DEBUG.
26171         * lto-streamer.c (struct tree_hash_entry): Likewise.
26172         (struct tree_entry_hasher): Likewise.
26173         (tree_entry_hasher::hash): Likewise.
26174         (tree_entry_hasher::equal): Likewise.
26175         (lto_streamer_init): Likewise.
26176         (lto_orig_address_map): Likewise.
26177         (lto_orig_address_get): Likewise.
26178         (lto_orig_address_remove): Likewise.
26179         * lto-streamer.h: Likewise.
26180         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
26181         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
26183 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
26185         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
26186         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
26187         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
26188         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
26189         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
26190         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
26191         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
26192         (mm_maskz_sub_ss): New intrinsics.
26193         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
26194         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
26195         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
26196         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
26197         (__builtin_ia32_subss_mask_round): New builtins.
26198         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
26199         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
26200         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
26201         Renamed to ...
26202         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
26203         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
26204         Changed to ...
26205         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
26206         ... this.
26208 2017-05-02  Martin Jambor  <mjambor@suse.cz>
26210         PR tree-optimization/78687
26211         * tree-sra.c (access): New field parent.
26212         (process_subtree_disqualification): New function.
26213         (disqualify_candidate): Call it.
26214         (build_accesses_from_assign): Reset write flag if creating an
26215         assighnment link.
26216         (build_access_subtree): Fill in parent field and also prpagate
26217         down grp_write flag.
26218         (create_artificial_child_access): New parameter set_grp_write, set
26219         grp_write to its value.
26220         (propagate_subaccesses_across_link): Also propagate grp_write flag
26221         values.
26222         (propagate_all_subaccesses): Push the closest parent back to work
26223         queue if add_access_to_work_queue returned true.
26225 2017-05-02  Richard Biener  <rguenther@suse.de>
26227         * common.opt (fstrict-overflow): Alias negative to fwrapv.
26228         * doc/invoke.texi (fstrict-overflow): Remove all traces of
26229         -fstrict-overflow documentation.
26230         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
26231         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
26232         flag_strict_overflow.
26233         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
26234         * lto-opts.c (lto_write_options): Do not stream it.
26235         * lto-wrapper.c (merge_and_complain): Do not handle it.
26236         * opts.c (default_options_table): Do not set -fstrict-overflow.
26237         (finish_options): Likewise do not clear it when sanitizing.
26238         * simplify-rtx.c (simplify_const_relational_operation): Do not
26239         test flag_strict_overflow.
26241 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
26243         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
26244         using enabled attribute.
26245         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
26246         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
26247         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
26248         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
26249         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
26250         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
26251         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
26252         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
26253         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
26254         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
26256 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
26258         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
26260 2017-05-02  Richard Biener  <rguenther@suse.de>
26262         PR tree-optimization/80591
26263         Revert
26264         2017-04-10  Richard Biener  <rguenther@suse.de>
26266         * tree-ssa-structalias.c (find_func_aliases): Properly handle
26267         asm inputs.
26269 2017-05-02  Richard Biener  <rguenther@suse.de>
26271         PR tree-optimization/80549
26272         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
26273         (cleanup_tree_cfg_noloop): Create forwarders to known loop
26274         headers if they do not have a preheader.
26276 2017-05-02  Martin Liska  <mliska@suse.cz>
26278         PR other/80589
26279         * common.opt: Fix typo.
26280         * doc/invoke.texi: Likewise.
26282 2017-05-01  Jan Beulich  <jbeulich@suse.com>
26284         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
26285         swapping, add (x,x,m,x,n) alternative.
26287 2017-05-01  Nathan Sidwell  <nathan@acm.org>
26289         * calls.c (combine_pending_stack_adjustment_and_call): Remove
26290         unnecessary unadjusted_alignment check.
26292 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
26294         PR c++/80038
26295         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
26296         operations here.
26297         * gimplify.c (gimplify_cilk_detach): New function.
26298         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
26299         * tree-core.h: Document EXPR_CILK_SPAWN.
26300         * tree.h (EXPR_CILK_SPAWN): Define.
26302 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
26304         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
26305         to use new fixit_hint representation, using the "replace" logic.
26306         (get_line_span_for_fixit_hint): Likewise.
26307         (layout::print_any_fixits): Likewise.
26308         (selftest::test_one_liner_many_fixits): Rename to...
26309         (selftest::test_one_liner_many_fixits_1): ...this, and update
26310         comment and expected output to reflect that the multiple fix-it
26311         hints are now consolidated into one insertion.
26312         (selftest::test_one_liner_many_fixits_2): New test.
26313         (selftest::test_diagnostic_show_locus_one_liner): Update for
26314         above.
26315         (selftest::test_fixit_consolidation): Update for fix-it API
26316         change.
26317         * diagnostic.c (print_parseable_fixits): Likewise.
26318         * edit-context.c (edited_line::m_line_events): Convert from
26319         auto_vec <line_event *> to auto_vec <line_event>.
26320         (class line_event): Convert from abstract base class to a concrete
26321         class, taking over the role of replace_event.
26322         (class insert_event): Delete.
26323         (class replace_event): Rename to class line_event.  Convert to
26324         half-open range.
26325         (edit_context::add_fixits): Reimplement.
26326         (edit_context::apply_insert): Delete.
26327         (edit_context::apply_replace): Rename to...
26328         (edit_context::apply_fixit): ...this.  Convert to half-open range.
26329         (edited_file::apply_insert): Delete.
26330         (edited_file::apply_replace): Rename to...
26331         (edited_file::apply_fixit): ...this.
26332         (edited_line::~edited_line): Drop deletion of events.
26333         (edited_line::apply_insert): Delete.
26334         (edited_line::apply_replace): Rename to...
26335         (edited_line::apply_fixit): ...this.  Convert to half-open range.
26336         Update for change to type of m_line_events.
26337         * edit-context.h (edit_context::apply_insert): Delete.
26338         (edit_context::apply_replace): Rename to...
26339         (edit_context::apply_fixit): ...this.
26341 2017-05-01  Martin Sebor  <msebor@redhat.com>
26343         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
26344         known.
26346 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
26348         PR target/68491
26349         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
26350         __get_cpuid_max returns 0.
26351         (__get_cpuid_count): Ditto.
26353 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
26355         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
26356         replacement expression is another instance of one of its arguments.
26358 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
26360         PR target/79430
26361         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
26362         check for stack push/pop autoinc.
26363         * config/i386/i386.c (ix86_agi_dependent): Return false
26364         if the only reason why modified_in_p returned true is that
26365         addr is SP based and set_insn is a push or pop.
26367 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
26369         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
26370         overflow check.
26372 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
26374         PR ipa/79224
26375         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
26376         (account_size_time): Use two predicates - exec_pred and
26377         nonconst_pred_ptr.
26378         (evaluate_conditions_for_known_args): Compute both clause and
26379         nonspec_clause.
26380         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
26381         (inline_summary_t::duplicate): Update.
26382         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
26383         separately.
26384         (compute_inline_parameters): Likewise.
26385         (estimate_edge_size_and_time): Update caluclation of time.
26386         (estimate_node_size_and_time): Compute both time and nonspecialized
26387         time.
26388         (estimate_ipcp_clone_size_and_time): Update.
26389         (inline_merge_summary): Update.
26390         (do_estimate_edge_time): Update.
26391         (do_estimate_edge_size): Update.
26392         (do_estimate_edge_hints): Update.
26393         (inline_read_section, inline_write_summary): Stream both new predicates.
26394         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
26395         as argument.
26396         (compute_inlined_call_time): Cleanup.
26397         (big_speedup_p): Update.
26398         (edge_badness): Update.
26399         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
26400         (size_time_entry): Replace predicate by exec_predicate and
26401         nonconst_predicate.
26402         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
26403         (estimate_edge_time): Return also nonspec_time.
26404         (reset_edge_growth_cache): Update.
26406 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
26408         PR rtl-optimization/80491
26409         * ifcvt.c (noce_process_if_block): When looking for x setter
26410         with missing else_bb, don't check only the insn right before
26411         cond_earliest, but look for the last insn that x is modified in
26412         within the same bb.
26414         PR rtl-optimization/80491
26415         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
26417 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
26419         PR tree-optimization/80487
26420         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
26422 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
26424         PR tree-optimization/79697
26425         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
26426         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
26427         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
26428         BUILT_IN_STRNDUP.
26429         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
26430         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
26432 2017-04-28  Martin Sebor  <msebor@redhat.com>
26434         PR tree-optimization/80523
26435         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
26436         (init_target_to_host_charmap, target_to_host, target_strtol10): New
26437         functions.
26438         (maybe_warn, format_directive, parse_directive): Use new functions.
26439         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
26441 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
26443         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
26445 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
26447         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
26448         target_header_dir): Set correctly.
26449         * configure: Regenerated.
26450         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
26451         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
26452         instead of SYSTEM_HEADER_DIR.
26454 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
26456         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
26457         (estimate_local_effects): Likewise.
26458         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
26459         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
26460         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
26461         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
26462         do_estimate_edge_time, estimate_edge_time): Likewise.
26463         * ipa-inline-analysis.c (estimate_node_size_and_time,
26464         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
26465         (estimate_time_after_inlining): Remove.
26467 2017-04-28  Martin Liska  <mliska@suse.cz>
26469         * doc/gcov.texi: Enhance documentation of gcov.
26471 2017-04-28  Martin Liska  <mliska@suse.cz>
26473         * doc/gcov.texi: Sort options in alphabetic order.
26474         * doc/gcov-dump.texi: Likewise.
26475         * doc/gcov-tool.texi: Likewise.
26476         * gcov.c (print_usage): Likewise.
26477         * gcov-dump.c (print_usage): Likewise.
26478         * gcov-tool.c (print_merge_usage_message): Likewise.
26479         (print_rewrite_usage_message): Likewise.
26480         (print_overlap_usage_message): Likewise.
26482 2017-04-28  Martin Liska  <mliska@suse.cz>
26484         PR gcov-profile/53915
26485         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
26487 2017-04-28  Martin Liska  <mliska@suse.cz>
26489         PR gcov-profile/79891
26490         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
26491         is marked by compiler as living on a line.
26492         (get_cycles_count): Remove usage of the union.
26493         (output_intermediate_file): Likewise.
26494         (find_source): Fix GNU coding style.
26495         (accumulate_line_counts): Remove old non-all block mode.
26496         (output_lines): Remove usage of the union.
26497         * profile.c (output_location): Include all BBs, even if
26498         belonging to a same line (and file) as a previous BB.
26500 2017-04-28  Martin Liska  <mliska@suse.cz>
26502         * gcov.c (process_args): Handle new argument 'w'.
26503         (read_graph_file): Assign ID to BBs.
26504         (output_branch_count): Display BB # if verbose flag is set.
26505         (output_lines): Likewise for arcs.
26506         (print_usage): Add '--verbose' option help.
26507         * doc/gcov.texi: Document --verbose (-w) option.
26509 2017-04-28  Martin Liska  <mliska@suse.cz>
26511         * gcov.c (struct block_location_info): New struct.
26512         (process_file): Fill up the new structure.
26513         (read_graph_file): Replace usage of encoding by the newly added
26514         struct.
26515         (add_line_counts): Likewise.
26516         (accumulate_line_counts): Remove usage of the union.
26517         (function_info::function_info): New function.
26518         (function_info::~function_info): Likewise.
26519         (process_file): Call delete instead of release_function.
26520         (release_function): Release the function.
26521         (release_structures): Call delete instead of release_function.
26522         (solve_flow_graph): Replace usage of num_blocks.
26523         (find_exception_blocks): Likewise.
26524         (output_lines): Fix GNU coding style.
26526 2017-04-28  Martin Liska  <mliska@suse.cz>
26528         PR driver/56469
26529         * coverage.c (coverage_remove_note_file): New function.
26530         * coverage.h: Declare the function.
26531         * toplev.c (finalize): Clean if an error has been seen.
26533 2017-04-28  Martin Liska  <mliska@suse.cz>
26535         PR gcov-profile/80031
26536         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
26537         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
26538         * gcov.c (read_graph_file): Read just number of blocks.
26539         * profile.c (branch_prob): Do not stream 0 flags per a basic
26540         block.
26542 2017-04-28  Martin Liska  <mliska@suse.cz>
26544         * gcov-dump.c (tag_*): Add new argument to declarations.
26545         (dump_gcov_file): Likewise.
26546         (tag_blocks): Add and use new argument depth.
26547         (tag_arcs): Likewise.
26548         (tag_lines): Likewise.
26549         (tag_counters): Likewise.
26550         (tag_summary): Likewise.
26551         (dump_working_sets): Use depth to do a proper indentation.
26553 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
26555         PR bootstrap/80531
26556         * cgraph.h (symtab_node::debug_symtab): No longer inline.
26557         * symtab.c (symtab_node::debug_symtab): Move definition here.
26559 2017-04-28  Richard Biener  <rguenther@suse.de>
26561         * lto-streamer.h (LTO_major_version): Bump to 7.
26563 2017-04-28  Richard Biener  <rguenther@suse.de>
26565         * tree-vrp.c (assert_info): New struct.
26566         (add_assert_info): New helper.
26567         (register_edge_assert_for_2): Refactor to add asserts to a vector
26568         of assert_info.
26569         (register_edge_assert_for_1): Likewise.
26570         (register_edge_assert_for): Likewise.
26571         (finish_register_edge_assert_for): New helper actually registering
26572         asserts where live on edge.
26573         (find_conditional_asserts): Adjust.
26574         (find_switch_asserts): Likewise.
26575         (evrp_dom_walker::try_find_new_range): Generalize.
26576         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
26578 2017-04-27  Marek Polacek  <polacek@redhat.com>
26580         PR sanitizer/80349
26581         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
26582         arg10 and arg11 to itype.
26584 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
26586         * doc/extend.texi (Object Size Checking): Improve grammar.
26588 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
26590         PR target/80530
26591         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
26592         that the logic for permitting reciprocal estimates matches that
26593         in use_rsqrt_p.
26595 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
26597         PR c++/80534
26598         * tree.c (type_cache_hasher::equal): Only compare
26599         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
26600         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
26601         non-aggregate element types.
26602         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
26603         about the flag on ARRAY_TYPEs in the comment, formatting fix.
26605 2017-04-27  Richard Biener  <rguenther@suse.de>
26607         PR middle-end/80533
26608         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
26609         stripping ARRAY_REFs from MEM_EXPR make sure we're not
26610         keeping a reference to a trailing array.
26612 2017-04-27  Richard Biener  <rguenther@suse.de>
26614         PR middle-end/80539
26615         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
26616         being in loop-closed SSA form conservatively.
26617         (chrec_fold_multiply_poly_poly): Likewise.
26619 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
26621         PR middle-end/79665
26622         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
26623         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
26625 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
26627         PR target/77728
26628         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
26629         (aarch64_function_arg_alignment): Return unsigned int again, but still
26630         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
26631         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
26632         Don't emit -Wpsabi note.
26633         (aarch64_function_arg_boundary): Likewise.
26634         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
26635         caller.
26637 2017-04-26  Nathan Sidwell  <nathan@acm.org>
26639         * tree.h (crc32_unsigned_n): Declare.
26640         (crc32_unsigned, crc32_unsigned): Make inline.
26641         * tree.c (crc32_unsigned_bits): Replace with ...
26642         (crc32_unsigned_n): ... this.
26643         (crc32_unsigned, crc32_byte): Remove.
26644         (crc32_string): Remove unnecessary braces.
26646 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
26648         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
26649         * ipa-inline-analysis.c (MAX_TIME): Remove.
26650         (account_size_time): Use sreal for time.
26651         (dump_inline_summary): Update.
26652         (estimate_function_body_sizes): Update.
26653         (estimate_edge_size_and_time): Update.
26654         (estimate_calls_size_and_time): Update.
26655         (estimate_node_size_and_time): Update.
26656         (inline_merge_summary): Update.
26657         (inline_update_overall_summary): Update.
26658         (estimate_time_after_inlining): Update.
26659         (inline_read_section): Update.
26660         (inline_write_summary): Update.
26661         * ipa-inline.c (compute_uninlined_call_time): Update.
26662         (compute_inlined_call_time): Update.
26663         (recursive_inlining): Update.
26664         (inline_small_functions): Update.
26665         (dump_overall_stats): Update.
26666         * ipa-inline.h: Include sreal.h.
26667         (size_time_entry): Turn time to sreal.
26668         (inline_summary): Turn self_time nad time to sreal.
26670 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
26672         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
26673         data-streamer.h
26674         (sreal::stream_out, sreal::stream_in): New.
26675         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
26677 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
26679         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
26680         environment.
26682 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
26684         PR target/70799
26685         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
26686         Handle ASHIFTRT.
26687         (dimode_scalar_chain::compute_convert_gain): Ditto.
26688         (dimode_scalar_chain::make_vector_copies): Ditto.
26689         (dimode_scalar_chain::convert_reg): Ditto.
26690         (dimode_scalar_chain::convert_insn): Ditto.
26691         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
26692         (VI248_AVX512BW_1): New mode iterator.
26693         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
26694         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
26695         mode iterator.
26697 2017-04-25  Martin Sebor  <msebor@redhat.com>
26699         PR tree-optimization/80497
26700         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
26701         constants are representable in HOST_WIDE_INT.
26702         (parse_directive): Ditto.
26704 2017-04-25  Martin Sebor  <msebor@redhat.com>
26706         PR bootstrap/80486
26707         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
26708         (new_zero_array): Adjust signature.
26709         (dom_info::dom_init): Used unsigned rather that size_t.
26710         (dom_info::dom_info): Same.
26712 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26713             Jakub Jelinek  <jakub@redhat.com>
26715         PR target/77728
26716         * config/arm/arm.c: Include gimple.h.
26717         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
26718         returns negative, increment ncrn only if it returned positive.
26719         (arm_needs_doubleword_align): Return int instead of bool,
26720         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
26721         members, but if there is any such non-FIELD_DECL
26722         > PARM_BOUNDARY aligned decl, return -1 instead of false.
26723         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
26724         returns negative, increment nregs only if it returned positive.
26725         (arm_setup_incoming_varargs): Likewise.
26726         (arm_function_arg_boundary): Emit -Wpsabi note if
26727         arm_needs_doubleword_align returns negative, return
26728         DOUBLEWORD_ALIGNMENT only if it returned positive.
26730 2017-04-25  Marek Polacek  <polacek@redhat.com>
26732         PR sanitizer/80349
26733         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
26734         first argument to type.
26736 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
26738         PR target/80482
26739         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
26740         type checks to test for compatibility instead of equality.
26742 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26743             Jakub Jelinek  <jakub@redhat.com>
26745         PR target/77728
26746         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
26747         type.
26748         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
26749         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
26750         the alignment computation, but return their maximum in warn_alignment.
26751         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
26752         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
26753         is smaller.
26754         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
26755         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
26756         caller.
26758 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26760         * config/arc/simdext.md (dmpyh): Fix typo.
26762 2017-04-25  Richard Biener  <rguenther@suse.de>
26764         PR tree-optimization/80492
26765         * alias.c (compare_base_decls): Handle registers with asm
26766         specification conservatively.
26767         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
26768         compare_base_decls returning dont-know properly.
26770 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26772         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
26773         (legitimate_offset_address_p): New function.
26774         (arc_legitimate_address_p): Use above function.
26776 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26778         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
26780 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26782         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
26783         ACCH registers whenever they are available.
26785 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26787         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
26788         double regs fix when not used.
26790 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26792         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
26793         core registers.
26794         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
26795         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
26797 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26799         * config/arc/arc.c (arc_output_addsi): Check for h-register class
26800         when emitting short ADD instructions.
26802 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
26804         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
26805         constraint.
26806         (cmpsi_cc_c_insn): Likewise.
26807         (cbranchsi4_scratch): Compute proper instruction length using
26808         compact_hreg_operand.
26809         * config/arc/predicates.md (compact_hreg_operand): New predicate.
26811 2017-04-25  Richard Biener  <rguenther@suse.de>
26813         PR middle-end/80509
26814         * passes.c (pass_manager::pass_manager): Initialize
26815         m_name_to_pass_map.
26817 2017-04-25  Richard Biener  <rguenther@suse.de>
26819         PR tree-optimization/79201
26820         * tree-ssa-sink.c (statement_sink_location): Handle calls.
26822 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26824         PR target/80464
26825         * config/s390/vector.md: Split MEM->GPR vector moves for
26826         non-s_operand addresses.
26828 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26830         PR target/79895
26831         * config/s390/predicates.md (reload_const_wide_int_operand): New
26832         predicate.
26833         * config/s390/s390.md ("movti"): Remove d/P alternative.
26834         ("movti_bigconst"): New pattern definition.
26836 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
26838         PR target/80080
26839         * s390-protos.h (s390_expand_cs_hqi): Removed.
26840         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
26841         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
26842         modes as well as CCZ1mode and CCZmode.
26843         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
26844         signature of s390_emit_compare_and_swap.
26845         (s390_expand_cs_hqi): Likewise, make static.
26846         (s390_expand_cs_tdsi): Generate an explicit compare before trying
26847         compare-and-swap, in some cases.
26848         (s390_expand_cs): Wrapper function.
26849         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
26850         atomic_exchange.
26851         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
26852         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
26853         patterns for small and large integers.  Forbid symref memory operands.
26854         Move expander to s390.c.  Require cc register.
26855         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
26856         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
26857         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
26858         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
26859         symref memory operands.  Remove CC mode and call s390_match_ccmode
26860         instead.
26861         ("atomic_exchange<mode>"): Allow and implement all integer modes.
26863 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
26865         * config/s390/s390.md (define_peephole2): New peephole to help
26866         combining the load-and-test pattern with volatile memory.
26868 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
26870         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
26871         with CCZmode for TARGET_Z196.
26873 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
26875         PR rtl-optimization/80501
26876         * combine.c (make_compound_operation_int): Set subreg_code to SET
26877         even for AND with mask of the sign bit of mode.
26879         PR rtl-optimization/80500
26880         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
26881         sum's initial value.
26883 2017-04-25  Julian Brown  <julian@codesourcery.com>
26884             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
26886         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
26888 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
26890         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
26892 2017-04-25  Julian Brown  <julian@codesourcery.com>
26893             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
26895         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
26896         (thunderx2t99_sha): New Reservation.
26898 2017-04-25  Julian Brown  <julian@codesourcery.com>
26899             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
26901         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
26902         type for 1-element load.
26904 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
26906         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
26908 2017-04-24  Martin Jambor  <mjambor@suse.cz>
26910         PR tree-optimization/80293
26911         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
26912         char arrays not totally scalarizable if it is false.
26913         (analyze_all_variable_accesses): Pass correct value in the new
26914         parameter.  Add a statistics counter.
26916 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
26918         PR middle-end/79931
26919         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
26921 2017-04-24  Richard Biener  <rguenther@suse.de>
26923         PR tree-optimization/80494
26924         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
26925         out for complex types.
26927 2017-04-24  Richard Biener  <rguenther@suse.de>
26929         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
26930         * tree-ssa-sccvn.c (print_scc): Print SCC size.
26931         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
26932         (DFS): Adjust and never fail.
26933         (sccvn_dom_walker::fail): Remove.
26934         (sccvn_dom_walker::before_dom_children): Adjust.
26935         (run_scc_vn): Likewise and never fail.
26936         * tree-ssa-pre.c (pass_pre::execute): Adjust.
26937         (pass_fre::execute): Likewise.
26939 2017-04-24  Richard Biener  <rguenther@suse.de>
26941         PR tree-optimization/79725
26942         * tree-ssa-sink.c (statement_sink_location): Return whether
26943         failure reason was zero uses.  Move that check later.
26944         (sink_code_in_bb): Deal with zero uses by removing the stmt
26945         if possible.
26947 2017-04-24  Richard Biener  <rguenther@suse.de>
26949         PR c++/2972
26950         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
26951         pointer-based references.
26953 2017-04-24  Richard Biener  <rguenther@suse.de>
26955         PR bootstrap/79814
26956         * pass_manager.h (pass_manager::operator new): Remove.
26957         (pass_manager::operator delete): Likewise.
26958         * passes.c (pass_manager::operator new): Remove.
26959         (pass_manager::operator delete): Likewise.
26960         (pass_manager::pass_manager): Zero individual pass members.
26962 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
26964         PR target/70799
26965         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
26966         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
26967         Check "XEXP (src, 1)" operand here.
26968         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
26969         Check "XEXP (src, 1)" operand here.
26970         (dimode_scalar_chain::make_vector_copies): Detect count register
26971         of a shift instruction.  Zero extend count register from QImode
26972         to DImode to satisfy vector shift pattern count operand predicate.
26973         Substitute vector shift count operand with a DImode copy.
26974         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
26975         vector register.
26977 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
26979         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
26980         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
26981         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
26982         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
26983         (UNSPEC_NOREX_MEM): Remove definition.
26985 2017-04-21  Richard Biener  <rguenther@suse.de>
26987         PR tree-optimization/79547
26988         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
26989         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
26990         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
26991         without any constraints.
26993 2017-04-21  Richard Biener  <rguenther@suse.de>
26995         PR tree-optimization/78847
26996         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
26998 2017-04-21  Richard Biener  <rguenther@suse.de>
27000         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
27001         (build_distinct_type_copy): Likewise.
27002         (build_variant_type_copy): Likewise.
27003         * tree.c (build_qualified_type): Pass down mem-stat info.
27004         (build_distinct_type_copy): Likewise.
27005         (build_variant_type_copy): Likewise.
27007 2017-04-21  Richard Biener  <rguenther@suse.de>
27009         PR tree-optimization/80237
27010         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
27011         defaulted to NULL.
27012         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
27013         for a simplified result.
27015 2016-04-21  Richard Biener  <rguenther@suse.de>
27017         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
27018         sth as strict as a simple_iv but a chrec without symbols and an
27019         operand defined in the loop we are peeling (and not some subloop).
27020         (propagate_constants_for_unrolling): Propagate all constants.
27022 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
27024         PR target/79804
27025         * config/i386/i386.c (print_reg): Remove assert for disalowed
27026         regno values, call output_operand_lossage instead.
27028 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
27030         PR target/78090
27031         * config/i386/constraints.md (Yc): New register constraint.
27032         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
27033         Use Yc constraint for alternative 2 of operand 0.  Remove
27034         preferred_for_speed attribute.
27036 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
27038         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
27039         lastprivate clauses in SIMT case.
27041 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
27043         * doc/invoke.texi (-Wextra-semi): Document new warning option.
27045 2017-04-20  Richard Biener  <rguenther@suse.de>
27047         PR tree-optimization/57796
27048         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
27049         as N scalar stores.
27050         (vect_model_load_cost): Cost gathers as N scalar loads.
27052 2017-04-20  Richard Biener  <rguenther@suse.de>
27054         * ggc-page.c (ggc_allocated_p): Rename to ...
27055         (safe_lookup_page_table_entry): ... this and return the lookup
27056         result.
27057         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
27059 2017-04-20  Richard Biener  <rguenther@suse.de>
27061         PR tree-optimization/80453
27062         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
27063         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
27064         from the conditions.
27065         (vn_phi_eq): Pass them down.
27066         (vn_phi_lookup): Record them.
27067         (vn_phi_insert): Likewise.
27069 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
27071         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
27072         uninitialized variable warning to avoid buffer overrun.
27074 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
27076         PR other/71250
27077         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
27078         is suppressed for '{ 0 }' in C.
27080 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
27082         * BASE-VER: Set to 8.0.0.
27084 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
27086         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
27087         priority .init_array and .fini_array section with SECTION_NOTYPE
27088         flag.
27090 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
27092         PR middle-end/80423
27093         * tree.h (build_array_type): Add typeless_storage default argument.
27094         * tree.c (type_cache_hasher::equal): Also compare
27095         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
27096         (build_array_type): Add typeless_storage argument, set
27097         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
27098         recursive call.
27099         (build_nonshared_array_type): Adjust build_array_type_1 caller.
27100         (build_array_type): Likewise.  Add typeless_storage argument.
27102 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
27103             Jakub Jelinek  <jakub@redhat.com>
27105         PR tree-optimization/80426
27106         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
27107         operation on symbolic operands, also compute the overflow for the
27108         invariant part when the operation degenerates into a negation.
27110 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
27112         PR debug/80461
27113         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
27114         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
27116         PR debug/80436
27117         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
27119 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
27121         PR target/80462
27122         * config/avr/avr.c (tree.h): Include it.
27123         (cgraph.h): Include it.
27124         (avr_encode_section_info): Don't warn for uninitialized progmem
27125         variable if it's just an alias.
27127 2017-04-19  Richard Biener  <rguenther@suse.de>
27129         PR ipa/65972
27130         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
27131         when needed by AutoPGO.
27133 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
27135         PR lto/50345
27136         * doc/lto.texi: Remove an extra 'that'.
27138 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
27140         PR rtl-optimization/80429
27141         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
27142         are only used in debug insns.
27144 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
27145             Vladimir Makarov  <vmakarov@redhat.com>
27147         * config/sparc/predicates.md (input_operand): Add comment.  Return
27148         true for any memory operand when LRA is in progress.
27149         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
27151 2017-04-18  Jeff Law  <law@redhat.com>
27153         PR target/74563
27154         * mips.md ({return,simple_return}_internal): Do not overwrite
27155         operands[0].
27157 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
27159         PR tree-optimization/80443
27160         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
27161         instead of adding 1, subtract -1 and similarly instead of subtracting
27162         1 add -1.
27164 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
27166         PR rtl-optimization/80357
27167         * haifa-sched.c (tmp_bitmap): New variable.
27168         (model_recompute): Handle duplicate use records.
27169         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
27170         (free_global_sched_pressure_data): Free it.
27172 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
27174         Revert:
27175         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
27176         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
27177         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
27178         instead of SYSTEM_HEADER_DIR.
27180 2017-04-18  Jeff Law  <law@redhat.com>
27182         PR middle-end/80422
27183         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
27184         predecessors after walking up the insn chain.
27186 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
27188         PR debug/80263
27189         * dwarf2out.c (modified_type_die): Try harder not to emit internal
27190         sizetype type into debug info.
27192 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
27194         PR target/80099
27195         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
27196         unneeded test for TARGET_UPPER_REGS_SF.
27197         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
27199 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
27201         PR sanitizer/80444
27202         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
27203         instead of gsi_after_labels.
27205 2017-04-18  Jeff Law  <law@redhat.com>
27207         * regcprop.c (maybe_mode_change): Avoid creating copies of the
27208         stack pointer.
27210         Revert:
27211         2017-04-13  Jeff Law  <law@redhat.com>
27212         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
27213         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
27215 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
27217         PR target/79453
27218         * config/avr/avr.c (intl.h): Include it.
27219         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
27221 2017-04-18  Martin Liska  <mliska@suse.cz>
27223         PR gcov-profile/78783
27224         * gcov-tool.c (gcov_output_files): Validate that destination
27225         file is either removed by the tool or by a user.
27227 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
27228             Guy Benyei  <guybe@mellanox.com>
27230         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
27231         block, and do not negate it, the stored id is already negative.
27233 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
27235         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
27237 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
27239         PR target/80098
27240         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
27241         masks of options that should be turned off if the VSX vector
27242         options are turned off.
27243         (OTHER_P8_VECTOR_MASKS): Likewise.
27244         (OTHER_VSX_VECTOR_MASKS): Likewise.
27245         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
27246         rs6000_disable_incompatible_switches to validate no type switches
27247         like -mvsx.
27248         (rs6000_incompatible_switch): New function to disallow turning on
27249         other vector options if -mno-vsx, -mno-power8-vector, or
27250         -mno-power9-vector are specified.
27252 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
27254         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
27256 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
27258         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
27259         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
27260         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
27261         (ARG_POINTER_CFA_OFFSET): Likewise.
27263 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
27265         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
27266         conditions to take advantage of various optimizations.
27268 2017-04-13  Jeff Law  <law@redhat.com>
27270         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
27271         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
27272         (zero_extendsidi2_dext): Likewise.
27274 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
27276         PR sanitizer/80403
27277         * fold-const.c (fold_ternary_loc): Revert
27278         use op0 instead of fold_convert_loc (loc, type, arg0) part of
27279         2017-04-12 change.
27281 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
27283         PR rtl-optimization/80343
27284         * lra-remat.c (update_scratch_ops): Assign original hard reg to
27285         new scratch pseudo.
27287 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
27289         PR sanitizer/80414
27290         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
27291         to ubsan_encode_value.
27293 2017-04-13  Jeff Law  <law@redhat.com>
27295         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
27296         appearing in DEBUG_INSNs.
27298 2017-04-13  Martin Liska  <mliska@suse.cz>
27300         PR gcov-profile/80413
27301         * gcov-io.c (gcov_write_string): Copy to buffer just when
27302         allocated size is greater than zero.
27304 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
27306         PR debug/80321
27307         * dwarf2out.c (decls_for_scope): Ignore declarations of
27308         current_function_decl in BLOCK_NONLOCALIZED_VARS.
27310 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
27312         PR lto/69953
27313         * ipa-visibility.c (non_local_p): Fix typos.
27314         (localize_node): When localizing symbol in same comdat group,
27315         dissolve the group only when we know external symbols are going
27316         to be privatized.
27317         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
27319 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
27321         PR tree-optimization/79390
27322         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
27323         order does not result in usable sequence, retry with reversed operand
27324         order.
27326         PR sanitizer/80403
27327         PR sanitizer/80404
27328         PR sanitizer/80405
27329         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
27330         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
27331         op0 instead of fold_convert_loc (loc, type, arg0).
27333 2017-04-12  Jeff Law  <law@redhat.com>
27335         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
27336         has a delay slot in the generated code.
27338         * config/cris/cris.md (cris_preferred_reload_class): Return
27339         GENNONACR_REGS rather than GENERAL_REGS.
27341 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
27343         PR c/80163
27344         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
27345         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
27346         signedness of the result type.
27348 2017-04-12  Richard Biener  <rguenther@suse.de>
27349             Jeff Law  <law@redhat.com>
27351         PR tree-optimization/80359
27352         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
27353         trim stores to TARGET_MEM_REFs.
27355 2017-04-12  Richard Biener  <rguenther@suse.de>
27357         PR tree-optimization/79390
27358         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
27359         threading case even more.
27361 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
27363         PR target/80382
27364         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
27365         for quad_address_p for TImode, instead of just not indexed_address.
27367 2017-04-12  Richard Biener  <rguenther@suse.de>
27368             Bernd Edlinger  <bernd.edlinger@hotmail.de>
27370         PR middle-end/79671
27371         * alias.c (component_uses_parent_alias_set_from): Handle
27372         TYPE_TYPELESS_STORAGE.
27373         (get_alias_set): Likewise.
27374         * tree-core.h (tree_type_common): Add typeless_storage flag.
27375         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
27376         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
27377         for types containing members with TYPE_TYPELESS_STORAGE.
27378         (place_field): Likewise.
27379         (layout_type): Likewise for ARRAY_TYPE.
27380         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
27381         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
27382         TYPE_TYPELESS_STORAGE.
27383         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
27385 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
27387         PR sanitizer/80349
27388         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
27389         first argument to type.
27391 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
27393         PR target/80376
27394         PR target/80315
27395         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
27396         CONST0_RTX (mode) rather than const0_rtx where appropriate.
27397         (rs6000_expand_binop_builtin): Likewise.
27398         (rs6000_expand_ternop_builtin): Likewise; also add missing
27399         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
27400         vshasigma built-ins.
27401         * doc/extend.texi: Document that vec_xxpermdi's third argument
27402         must be a constant.
27404 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
27406         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
27407         Use shift_const cost parameter when calculating gain of STV shifts.
27409 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
27411         PR rtl-optimization/70478
27412         * lra-constraints.c (process_alt_operands): Check memory for
27413         disfavoring memory insn operand.
27415 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
27417         PR middle-end/80100
27418         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
27419         left shift in unsigned HOST_WIDE_INT type.
27421         PR rtl-optimization/80385
27422         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
27423         (not (neg X)) into (plus X -1) for complex or non-integral modes.
27425         PR libgomp/80394
27426         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
27427         if they have any depend clauses.
27429 2017-04-11  Martin Liska  <mliska@suse.cz>
27431         PR ipa/80212
27432         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
27433         * ipa-split.c (split_function): Create a local comdat symbol
27434         if caller is in a comdat group.
27436 2017-04-11  Martin Liska  <mliska@suse.cz>
27438         PR ipa/80212
27439         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
27440         flags.
27442 2017-04-11  Martin Sebor  <msebor@redhat.com>
27444         PR middle-end/80364
27445         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
27446         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
27447         for INTEGER_TYPE.
27448         (directive::set_width, directive::set_precision, format_character):
27449         Adjust.
27450         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
27451         INTEGER_TYPE.
27453 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
27455         PR target/80389
27456         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
27457         conflict, set target->arch_name instead of target->cpu_name.
27459 2017-04-11  Richard Biener  <rguenther@suse.de>
27461         PR tree-optimization/80374
27462         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
27463         build_zero_cst, remove fold_convertible_p check again.
27465 2017-04-11  Martin Liska  <mliska@suse.cz>
27467         PR sanitizer/70878
27468         * ubsan.c (instrument_object_size): Do not instrument register
27469         variables.
27471 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
27473         PR target/80381
27474         * config/i386/i386-builtin-types.def
27475         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
27476         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
27477         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
27478         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
27479         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
27480         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
27481         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
27482         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
27483         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
27484         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
27485         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
27486         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
27487         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
27488         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
27489         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
27490         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
27491         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
27492         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
27493         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
27494         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
27495         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
27496         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
27497         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
27498         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
27499         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
27500         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
27501         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
27502         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
27503         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
27504         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
27505         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
27506         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
27507         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
27508         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
27509         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
27510         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
27511         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
27512         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
27513         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
27514         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
27515         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
27516         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
27517         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
27518         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
27519         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
27520         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
27521         aliases.
27522         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
27523         flag to second_arg_count, handle 4 argument function type _COUNT
27524         aliases, handle second_arg_count on second argument rather than last.
27526 2017-04-10  Jeff Law  <law@redhat.com>
27528         PR tree-optimization/80374
27529         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
27530         record anything if we can not convert integer_zero_node to the
27531         desired type.
27533 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
27535         PR target/80108
27536         * config/rs6000/rs6000.c (rs6000_option_override_internal):
27537         Enhance special handling given to the TARGET_P9_MINMAX option in
27538         relation to certain other options.
27540 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
27542         PR tree-optimization/80153
27543         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
27544         remove POINTER_PLUS_EXPR's base part directly, rather than through
27545         aff_tree.
27547 2017-04-10  Richard Biener  <rguenther@suse.de>
27548             Bin Cheng  <bin.cheng@arm.com>
27550         PR tree-optimization/80153
27551         * tree-affine.c (aff_combination_to_tree): Get base pointer from
27552         the first element of pointer type aff_tree.  Build result expr in
27553         aff_tree's type.
27554         (add_elt_to_tree): Convert to type unconditionally.  Remove other
27555         fold_convert calls.
27556         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
27557         (rewrite_use_nonlinear_expr): Check invariant using iv information.
27559 2017-04-10  Richard Biener  <rguenther@suse.de>
27561         * tree-ssa-structalias.c (find_func_aliases): Properly handle
27562         asm inputs.
27564 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
27566         PR rtl-optimization/70478
27567         * lra-constraints.c (curr_small_class_check): New.
27568         (update_and_check_small_class_inputs): New.
27569         (process_alt_operands): Update curr_small_class_check.  Disfavor
27570         alternative insn memory operands.  Check available regs for small
27571         class operands.
27573 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
27575         PR target/80057
27576         * config/mips/mips.opt (-mvirt): Update description.
27577         * doc/invoke.texi (-mvirt): Likewise.
27579 2017-04-10  Richard Biener  <rguenther@suse.de>
27581         PR middle-end/80362
27582         * fold-const.c (fold_binary_loc): Look at unstripped ops when
27583         looking for NEGATE_EXPR in -A / -B to A / B folding.
27585 2017-04-10  Martin Liska  <mliska@suse.cz>
27587         PR gcov-profile/80224
27588         * gcov.c (print_usage): Fix usage string.
27589         (get_gcov_intermediate_filename): Remove.
27590         (output_gcov_file): Use both for normal and intermediate format.
27591         (generate_results): Do not initialize special file for
27592         intermediate format.
27594 2017-04-10  Richard Biener  <rguenther@suse.de>
27596         PR tree-optimization/80304
27597         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
27598         for safelen.
27600 2017-04-10  Nathan Sidwell  <nathan@acm.org>
27602         PR target/79905
27603         * config/rs6000/rs6000.c (rs6000_vector_type): New.
27604         (rs6000_init_builtins): Use it.
27606 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27608         * config/arm/arm.md (<mrc>): Add mode to SET source.
27609         (<mrrc>): Likewise.
27611 2017-04-10  Richard Biener  <rguenther@suse.de>
27613         PR middle-end/80344
27614         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
27616 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
27618         PR target/80324
27619         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
27620         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
27621         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
27622         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
27623         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
27624         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
27625         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
27626         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
27627         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
27628         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
27629         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
27630         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
27631         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
27632         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
27633         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
27634         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
27635         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
27636         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
27637         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
27638         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
27639         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
27640         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
27641         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
27643 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
27645         PR rtl-optimization/70478
27646         * lra-constraints.c: Reverse the last patch.
27648 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
27650         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
27651         Add comment for WCHAR_T.
27653 2017-04-08  Martin Liska  <mliska@suse.cz>
27655         Revert:
27656         2017-04-07  Martin Liska  <mliska@suse.cz>
27658         PR ipa/80212
27659         * ipa-split.c (split_function): Add function part to a same comdat
27660         group.
27662 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
27664         PR target/80358
27665         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
27667 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
27669         * rs6000/rs6000.c (vec_load_pendulum): Rename...
27670         (vec_pairing): ...to this.
27671         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
27672         (rs6000_sched_init): Adjust for name change.
27673         (struct rs6000_sched_context): Likewise.
27674         (rs6000_init_sched_context): Likewise.
27675         (rs6000_set_sched_context): Likewise.
27677 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
27679         PR target/80322
27680         PR target/80323
27681         PR target/80325
27682         PR target/80326
27683         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
27684         intrinsics.
27685         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
27686         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
27687         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
27689 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
27691         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
27693 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
27695         PR rtl-optimization/70703
27696         * ira-color.c (update_conflict_hard_regno_costs): Use
27697         int64_t instead of HOST_WIDE_INT.
27699 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
27701         PR rtl-optimization/70478
27702         * lra-constraints.c (process_alt_operands): Disfavor alternative
27703         insn memory operands.
27705 2017-04-07  Jeff Law  <law@redhat.com>
27707         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
27708         CALL and NOTE_INSN_CALL_ARG_LOCATION.
27710 2017-04-07  Martin Liska  <mliska@suse.cz>
27712         PR target/79889
27713         * config/aarch64/aarch64.c (aarch64_process_target_attr):
27714         Show error message instead of an ICE.
27716 2017-04-07  Martin Liska  <mliska@suse.cz>
27718         PR ipa/80212
27719         * ipa-split.c (split_function): Add function part to a same comdat
27720         group.
27722 2017-04-07  Richard Biener  <rguenther@suse.de>
27724         PR middle-end/80341
27725         * tree.c (get_unwidened): Also handle ! for_type case for
27726         INTEGER_CSTs.
27727         * convert.c (do_narrow): Split out from ...
27728         (convert_to_integer_1): ... here.  Do not pass final truncation
27729         type to get_unwidened for TRUNC_DIV_EXPR.
27731 2017-04-07  Richard Biener  <rguenther@suse.de>
27733         * tree-affine.c (wide_int_ext_for_comb): Take type rather
27734         than aff_tree.
27735         (aff_combination_const): Adjust.
27736         (aff_combination_scale): Likewise.
27737         (aff_combination_add_elt): Likewise.
27738         (aff_combination_add_cst): Likewise.
27739         (aff_combination_convert): Likewise.
27740         (add_elt_to_tree): Likewise.  Remove unused argument.
27741         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
27743 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
27745         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
27746         definition.
27747         * config/arm/arm.c (arm_default_short_enums): Use
27748         ARM_DEFAULT_SHORT_ENUMS.
27749         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
27751 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
27753         PR debug/80234
27754         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
27755         members with redundant out-of-class redeclaration.
27757 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
27759         PR target/80286
27760         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
27761         * config/i386/i386.md (*zero_extendsidi2):
27762         Add (?*x,*x) and (?*v,*v) alternatives.
27764 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
27766         PR target/79733
27767         * config/i386/i386.c (ix86_expand_builtin)
27768         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
27769         mode from insn data. Convert operands to insn operand mode.
27770         Copy operands that don't satisfy insn predicate to a register.
27772 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
27774         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
27775         Update comments.
27777 2017-04-06  Richard Biener  <rguenther@suse.de>
27779         PR tree-optimization/80334
27780         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
27781         preserve alignment of accesses.
27783 2017-04-06  Richard Biener  <rguenther@suse.de>
27785         PR tree-optimization/80262
27786         * tree-sra.c (build_ref_for_offset): Preserve address-space
27787         information.
27788         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
27789         Drop useless address-space information on MEM_REF offsets.
27791 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
27793         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
27795 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
27797         PR rtl-optimization/70703
27798         * ira-color.c (update_conflict_hard_regno_costs): Use
27799         HOST_WIDE_INT instead of long.
27801 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
27803         PR target/80298
27804         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
27805         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
27806         is not defined.
27807         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
27808         for x86_64 target.  Handle -m3dnowa option.
27810 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
27812         PR rtl-optimization/70703
27813         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
27814         (update_conflict_hard_regno_costs): Use long instead of unsigned
27815         arithmetic for cost calculation.
27817 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
27818             Bernd Edlinger  <bernd.edlinger@hotmail.de>
27820         PR sanitizer/80308
27821         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
27822         for big endian.
27824 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
27826         PR target/78002
27827         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
27828         ptr_mode with Pmode throughout.
27829         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
27830         into probe_stack_range and use DImode.
27832 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
27834         PR target/79890
27835         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
27836         call_eh_return is true.
27838 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
27840         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
27841         Initialize last_match_fntype_index.
27843 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
27845         PR target/80310
27846         * tree-nvr.c: Include internal-fn.h.
27847         (pass_return_slot::execute): Ignore internal calls without
27848         direct optab.
27850 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
27851             Richard Biener  <rguenther@suse.de>
27853         PR c++/80297
27854         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
27855         captures used multiple times, except for the last use.
27856         * generic-match-head.c: Include gimplify.h.
27858 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
27860         PR tree-optimization/79390
27861         * target.h (struct noce_if_info): Declare.
27862         * targhooks.h (default_noce_conversion_profitable_p): Declare.
27863         * target.def (noce_conversion_profitable_p): New target hook.
27864         * ifcvt.h (struct noce_if_info): New type, moved from ...
27865         * ifcvt.c (struct noce_if_info): ... here.
27866         (noce_conversion_profitable_p): Renamed to ...
27867         (default_noce_conversion_profitable_p): ... this.  No longer
27868         static nor inline.
27869         (noce_try_store_flag_constants, noce_try_addcc,
27870         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
27871         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
27872         instead of noce_conversion_profitable_p.
27873         * config/i386/i386.c: Include ifcvt.h.
27874         (ix86_option_override_internal): Don't override
27875         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
27876         (ix86_noce_conversion_profitable_p): New function.
27877         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
27878         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
27879         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
27880         * doc/tm.texi: Regenerated.
27882 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
27884         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
27885         correction.
27887 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
27889         PR target/80307
27890         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
27891         instructions for small multiply cores.
27893 2017-04-04  Jeff Law  <law@redhat.com>
27895         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
27896         added member.
27897         (mips_expand_vec_perm_const): Initialize elements in orig_perm
27898         that are not set by the loop over the elements.
27900 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
27902         PR target/80286
27903         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
27904         int mode, convert_modes it to mode as unsigned, otherwise use
27905         lowpart_subreg to mode rather than SImode.
27906         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
27907         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
27908         Use DImode instead of SImode for the shift count operand.
27909         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
27910         Likewise.
27912 2017-04-04  Richard Biener  <rguenther@suse.de>
27914         PR middle-end/80281
27915         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
27916         arithmetic done for the negate or the plus.  Simplify.
27917         (A - (-B) -> A + B): Likewise.
27918         * fold-const.c (split_tree): Make sure to not negate pointers.
27920 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
27922         PR rtl-optimization/60818
27923         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
27924         a compare of comparisons with the thing compared if this results
27925         in a different machine mode.
27927 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
27929         * alias.c (base_alias_check): Fix typo in comment.
27930         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
27931         * cgraphunit.c (symbol_table::compile): Likewise.
27932         * collect2.c (maybe_run_lto_and_relink): Likewise.
27933         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
27934         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
27935         * config/avr/avr.c (avr_map_op_t): Likewise.
27936         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
27937         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
27938         * config/epiphany/epiphany.md (movcc): Likewise.
27939         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
27940         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
27941         Likewise.
27942         * config/mips/mips.c (mips_save_restore_reg): Likewise.
27943         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
27944         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
27945         * config/sh/sh.c (sh_rtx_costs): Likewise.
27946         * fold-const.c (fold_truth_andor): Likewise.
27947         * genautomata.c (collapse_flag): Likewise.
27948         * gengtype.h (struct type::u::s): Likewise.
27949         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
27950         * input.c (FORMAT_AMOUNT): Likewise.
27951         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
27952         (known_aggs_to_agg_replacement_list): Likewise.
27953         * ipa-inline-analysis.c: Likewise.
27954         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
27955         * ipa-polymorphic-call.c
27956         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
27957         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
27958         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
27959         Likewise.
27960         * modulo-sched.c (apply_reg_moves): Likewise.
27961         * omp-expand.c (build_omp_regions_1): Likewise.
27962         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
27963         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
27964         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
27965         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
27966         * value-prof.c: Likewise.
27967         * var-tracking.c (val_reset): Likewise.
27969 2017-04-03  Richard Biener  <rguenther@suse.de>
27971         PR tree-optimization/80275
27972         * fold-const.c (split_address_to_core_and_offset): Handle
27973         POINTER_PLUS_EXPR.
27975 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
27977         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
27978         descriptors is at least equal to that of functions.
27980 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
27982         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
27984 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
27986         PR target/80250
27987         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
27988         (mov<IMOD4:mode>): New expander.
27989         (*mov<IMOD4:mode>_internal): New insn and split pattern.
27991 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
27993         PR rtl-optimization/79405
27994         * fwprop.c (propagations_left): New variable.
27995         (forward_propagate_into): Decrement it.
27996         (fwprop_init): Initialize it.
27997         (fw_prop): If the variable has reached zero, stop propagating.
27998         (fwprop_addr): Ditto.
28000 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
28002         PR debug/79255
28003         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
28004         a FUNCTION_DECL, pass it as decl instead of origin to
28005         process_scope_var.
28007 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
28009         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
28010         string.
28012 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
28014         PR target/80107
28015         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
28016         TARGET_VSX_SMALL_INTEGER.
28018 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28020         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
28021         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
28023 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
28025         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
28026         extraction from odd-numbered MSA register.
28028 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
28030         PR middle-end/80173
28031         * expmed.c (store_bit_field_1): Don't attempt to create
28032         a word subreg out of hard registers wider than word if they
28033         have HARD_REGNO_NREGS of 1 for their mode.
28035         PR middle-end/80163
28036         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
28037         conversions to integer types wider than word and pointer.
28039         PR debug/80025
28040         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
28041         (rtx_equal_for_cselib_p): Pass 0 to it.
28042         * cselib.c (cselib_hasher::equal): Likewise.
28043         (rtx_equal_for_cselib_1): Add depth argument.  If depth
28044         is 128, don't look up VALUE locs and punt.  Increment
28045         depth in recursive calls when walking VALUE locs.
28047 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
28049         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
28050         (make_gcov_file_name): Use the canonical path name for generating
28051         the MD5 value.
28052         (read_line): Fix handling of files with ascii null bytes.
28054 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
28056         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
28057         to initialise a vector register instead
28058         of using a const_int.
28060 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
28062         PR translation/80189
28063         * gimplify.c (omp_default_clause): Use %qs instead of %s in
28064         diagnostic messages.
28066 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
28068         PR target/80246
28069         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
28070         (dfp_diex_<mode>): Update mode of operand 1.
28071         * doc/extend.texi (dxex, dxexq): Document change to return type.
28072         (diex, diexq): Document change to argument type.
28074 2017-03-30  Martin Jambor  <mjambor@suse.cz>
28076         PR ipa/77333
28077         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
28078         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
28079         it reflects the signature changes performed at the callee side.
28080         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
28081         to cgraph_build_function_type_skip_args.
28082         (build_function_decl_skip_args): Adjust call to the above function.
28084 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
28086         PR target/80206
28087         * config/i386/sse.md
28088         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
28089         register as dest whenever it is a MEM not rtx_equal_p to the
28090         corresponding dup operand, and when forcing into reg move the
28091         reg into the memory afterwards.
28092         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
28093         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
28094         for the force_reg mode.
28095         (avx512vl_vextractf128<mode>): Use register as dest either
28096         always when a MEM, or when it is a MEM not rtx_equal_p to the
28097         corresponding dup operand, or even not when it is a CONST_VECTOR
28098         depending on the mode and lo vs. hi.
28099         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
28100         parens.
28101         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
28102         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
28103         Likewise.  Require that operands[2] is even.
28104         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
28105         Remove extraneous parens.  Require that operands[2] is a multiple
28106         of 4.
28107         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
28108         operands[0] is a MEM if <mask_applied>, the predicates/constraints
28109         disallow memory then.
28111 2017-03-30  Richard Biener  <rguenther@suse.de>
28113         PR tree-optimization/77498
28114         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
28115         to non-constants over backedges.
28117 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
28119         PR rtl-optimization/80233
28120         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
28121         as last_combined_insn.  Do not test for BARRIER_P separately.
28123 2017-03-29  Andreas Schwab  <schwab@suse.de>
28125         PR ada/80146
28126         * calls.c (prepare_call_address): Convert funexp to Pmode before
28127         copying to temp reg.
28129 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28131         PR tree-optimization/80158
28132         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
28133         Handle possible future case of more than one alternate
28134         interpretation.
28135         (replace_rhs_if_not_dup): Likewise.
28136         (replace_one_candidate): Likewise.
28138 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
28140         PR rtl-optimization/80193
28141         * ira.c (ira): Do not check allocation for LRA.
28143 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
28145         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
28146         (nvptx_output_simt_exit): Declare.
28147         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
28148         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
28149         (init_softstack_frame): Move initialization of crtl->is_leaf to...
28150         (nvptx_declare_function_name): ...here.  Emit declaration of local
28151         memory space buffer for omp_simt_enter insn.
28152         (nvptx_output_unisimt_switch): New.
28153         (nvptx_output_softstack_switch): New.
28154         (nvptx_output_simt_enter): New.
28155         (nvptx_output_simt_exit): New.
28156         * config/nvptx/nvptx.h (struct machine_function): New fields
28157         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
28158         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
28159         (UNSPECV_SIMT_EXIT): Ditto.
28160         (omp_simt_enter_insn): New insn.
28161         (omp_simt_enter): New expansion.
28162         (omp_simt_exit): New insn.
28163         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
28165         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
28166         (expand_GOMP_SIMT_ENTER_ALLOC): New.
28167         (expand_GOMP_SIMT_EXIT): New.
28168         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
28169         (GOMP_SIMT_ENTER_ALLOC): Ditto.
28170         (GOMP_SIMT_EXIT): Ditto.
28171         * target-insns.def (omp_simt_enter): New insn.
28172         (omp_simt_exit): Ditto.
28173         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
28174         simt_dlist.
28175         (lower_rec_simd_input_clauses): Implement SIMT privatization.
28176         (lower_rec_input_clauses): Likewise.
28177         (lower_lastprivate_clauses): Handle SIMT privatization.
28179         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
28180         (ompdevlow_adjust_simt_enter): New.
28181         (find_simtpriv_var_op): New.
28182         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
28183         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
28185         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
28186         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
28187         (copy_decl_for_dup_finish): Ditto.
28189         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
28191 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
28193         PR target/53383
28194         * config/i386/i386.c (ix86_option_override_internal): Always
28195         allow -mpreferred-stack-boundary=3 for 64-bit targets.
28197 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
28199         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
28201 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
28203         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
28204         mark new edge's irreducible flag accordign to it.
28205         (vect_do_peeling): Check loop preheader edge's irreducible flag
28206         and pass it to function slpeel_add_loop_guard.
28208 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
28210         PR tree-optimization/80218
28211         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
28212         Update block frequencies and counts.
28214 2017-03-28  Richard Biener  <rguenther@suse.de>
28216         PR tree-optimization/78644
28217         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
28218         of a simplification result we may not use it at all.
28220 2017-03-28  Richard Biener  <rguenther@suse.de>
28222         PR ipa/80205
28223         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
28224         without arguments, generate default definition of a SSA name.
28226 2017-03-28  Richard Biener  <rguenther@suse.de>
28228         PR middle-end/80222
28229         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
28230         TYPE_REF_CAN_ALIAS_ALL references.
28231         * fold-const.c (fold_indirect_ref_1): Likewise.
28233 2017-03-28  Martin Liska  <mliska@suse.cz>
28235         PR ipa/80104
28236         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
28237         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
28239 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
28240             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
28242         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
28243         (EXTRA_SPECS): Define.
28244         (SUBTARGET_EXTRA_SPECS): Likewise.
28245         (SUBTARGET_CPP_SPEC): Likewise.
28246         * config/arc/elf.h (EXTRA_SPECS): Renamed to
28247         SUBTARGET_EXTRA_SPECS.
28248         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
28250 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
28252         * config/arc/simdext.md (vst64_insn): Update pattern.
28253         (vld32wh_insn): Likewise.
28254         (vld32wl_insn): Likewise.
28255         (vld64_insn): Likewise.
28256         (vld32_insn): Likewise.
28258 2017-03-28  Marek Polacek  <polacek@redhat.com>
28260         PR sanitizer/80067
28261         * fold-const.c (fold_comparison): Use protected_set_expr_location
28262         instead of SET_EXPR_LOCATION.
28264 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
28266         * tree.c (add_expr): Avoid name lookup warning.
28268 2017-03-27  Jeff Law  <law@redhat.com>
28270         PR tree-optimization/80216
28271         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
28272         function name.  Limit recursion depth.
28273         (record_temporary_equivalences): Corresponding changes.
28275 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
28277         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
28278         covered first.
28280 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
28282         PR target/80102
28283         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
28284         notes.
28285         * cfgcleanup.c (reg_note_cfa_p): New array.
28286         (insns_have_identical_cfa_notes): New function.
28287         (old_insns_match_p): Don't cross-jump in between /f
28288         and non-/f instructions.  If both i1 and i2 are frame related,
28289         verify all CFA notes, their order and content.
28291 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
28293         PR target/78543
28294         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
28295         HImode and SImode with zero extend to DImode to one insn.
28296         (bswap<mode>2_extenddi): Likewise.
28297         (bswapsi2_extenddi): Likewise.
28298         (bswaphi2_extendsi): Likewise.
28299         (bswaphi2): Combine bswap HImode and SImode into one insn.
28300         Separate memory insns from swapping register.
28301         (bswapsi2): Likewise.
28302         (bswap<mode>2): Likewise.
28303         (bswaphi2_internal): Delete, no longer used.
28304         (bswapsi2_internal): Likewise.
28305         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
28306         store, and gpr<-gpr swap insns.
28307         (bswap<mode>2_store): Likewise.
28308         (bswaphi2_reg): Register only splitter, combine with the splitter.
28309         (bswaphi2 splitter): Likewise.
28310         (bswapsi2_reg): Likewise.
28311         (bswapsi2 splitter): Likewise.
28312         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
28313         the insns into load, store, and register/register insns.
28314         (bswapdi2_ldbrx): Likewise.
28315         (bswapdi2_load): Likewise.
28316         (bswapdi2_store): Likewise.
28317         (bswapdi2_reg): Likewise.
28319 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
28321         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
28322         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
28324 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
28326         PR target/80103
28327         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
28328         add comments.
28329         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
28330         special handling for target option conflicts between dform
28331         options (-mpower9-dform, -mpower9-dform-vector,
28332         -mpower9-dform-scalar) and -mno-direct-move.
28334 2017-03-27  Richard Biener  <rguenther@suse.de>
28336         PR tree-optimization/80181
28337         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
28339 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
28341         * config/arc/predicates.md (move_double_src_operand): Replace the
28342         call to move_double_src_operand with a call to address_operand.
28344 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
28346         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
28347         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
28348         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
28350 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
28352         * config/arc/predicates.md (long_immediate_loadstore_operand):
28353         Consider scaled addresses cases.
28355 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
28357         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
28358         restored when in interrupt.
28359         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
28360         doesn't have delay slot.
28362 2017-03-27  Richard Biener  <rguenther@suse.de>
28364         PR ipa/79776
28365         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
28366         inlined thunk clones.
28368 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
28370         PR sanitizer/80168
28371         * asan.c (instrument_derefs): Copy over last operand from
28372         original COMPONENT_REF to the new COMPONENT_REF with
28373         DECL_BIT_FIELD_REPRESENTATIVE.
28374         * ubsan.c (instrument_object_size): Likewise.
28376 2017-03-27  Richard Biener  <rguenther@suse.de>
28378         PR tree-optimization/80170
28379         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
28380         sure DR/SCEV didnt fold in constants we do not see when looking
28381         at the reference base alignment.
28383 2017-03-27  Richard Biener  <rguenther@suse.de>
28385         PR middle-end/80171
28386         * gimple-fold.c (fold_ctor_reference): Properly guard against
28387         NULL return value from canonicalize_constructor_val.
28389 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
28391         PR target/80180
28392         * config/i386/i386.c (ix86_expand_builtin)
28393         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
28394         flags reg setting and flags reg using instructions.
28395         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
28396         clobbering instructions to zero extend op2.
28398 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
28400         * doc/install.texi (Configuration) <--with-aix-soname>:
28401         Update link to AIX ld.
28403 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
28405         PR rtl-optimization/80160
28406         PR rtl-optimization/80159
28407         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
28408         reg_alternate_class into account.
28410 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
28412         PR target/80148
28413         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
28414         to consider in curr_insn_transform.
28416 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
28418         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
28419         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
28420         and emit_mode_inner.
28422 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28424         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
28425         argument to the overloaded builtin variants.  Use the new flag to
28426         deprecate certain builtin variants.
28427         * config/s390/s390-builtin-types.def: Add new builtin types.
28428         * config/s390/s390-builtins.h: Support new flags field for
28429         overloaded builtins.
28430         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
28431         (s390_macro_to_expand): Enable vector float data type.
28432         (s390_cpu_cpp_builtins_internal): Indicate support of the new
28433         builtins by incrementing the __VEC__ version number.
28434         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
28435         vec_xst.
28436         (s390_resolve_overloaded_builtin): Emit error messages depending
28437         on the builtin flags.
28438         * config/s390/s390.c (s390_expand_builtin): Support additional
28439         flags argument.  Change error message to match the messages
28440         emitted in s390-c.c.
28441         * config/s390/s390.md: New UNSPEC_* constants.
28442         (op_type): Add new instruction types.
28443         * config/s390/vecintrin.h: Add new builtins and test data class
28444         constants.
28445         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
28446         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
28447         (VEC_INEXACT, VEC_NOINEXACT): New constants.
28448         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
28449         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
28450         ("vec_mergel<mode>"): V_HW -> VEC_HW.
28452         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
28453         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
28454         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
28455         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
28457         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
28458         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
28459         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
28460         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
28462         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
28463         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
28464         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
28465         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
28466         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
28467         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
28468         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
28470         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
28471         ("vec_scatter_element<V_HW_4:mode>_DI")
28472         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
28473         ("vec_fpint<mode>", "vflls")
28474         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
28475         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
28476         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
28477         ("*vec_cmphe<mode>_cc"): ... these.
28479         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
28480         mode constant instead of magic value.
28482 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28484         * config/s390/s390.c (s390_expand_vec_compare): Support other
28485         vector floating point modes than just V2DF.
28486         (s390_expand_vcond): Likewise.
28487         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
28488         (s390_cannot_change_mode_class): Prevent mode changes between TF
28489         and V1TF in vector registers.
28490         * config/s390/s390.md (DF, SF): New mode attributes.
28491         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
28492         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
28493         SFmode support for VRs.
28494         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
28495         vector fp modes.
28496         (VFT, VF_HW): New mode iterators.
28497         (vw, sdx): New mode attributes.
28498         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
28499         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
28500         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
28501         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
28502         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
28503         also the new vector floating point modes.  Renaming to ...
28505         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
28506         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
28507         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
28508         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
28509         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
28510         ("vec_unordered<mode>"): ... these.
28512         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
28513         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
28514         ("*vec_extendv2df"): New insn definitions.
28516 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28518         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
28519         ("mulditi3_2", "*muldi3_sign"): New patterns.
28520         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
28521         rename the pattern definition.
28523 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28525         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
28526         expander.
28527         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
28529 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28531         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
28532         instruction if possible.
28533         * config/s390/vector.md (vec_halfnumelts): New mode
28534         attribute.
28535         ("*vec_vllezlf<mode>"): New pattern.
28537 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28539         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
28540         ("popcountv4si2", "popcountv2di2"): Rename to ...
28541         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
28542         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
28543         condition.
28544         ("popcount<mode>2_vxe"): New pattern.
28546 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28548         * common/config/s390/s390-common.c (processor_flags_table): Add
28549         arch12.
28550         * config.gcc: Add arch12.
28551         * config/s390/driver-native.c (s390_host_detect_local_cpu):
28552         Default to arch12 for unknown CPU model numbers.
28553         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
28554         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
28555         PROCESSOR_max sanity check.
28556         * config/s390/s390-opts.h (enum processor_type): Add
28557         PROCESSOR_ARCH12.
28558         * config/s390/s390.c (processor_table): Add arch12.
28559         (s390_expand_builtin): Add check for B_VXE flag.
28560         (s390_issue_rate): Add PROCESSOR_ARCH12.
28561         (s390_get_sched_attrmask): Likewise.
28562         (s390_get_unit_mask): Likewise.
28563         (s390_sched_score): Enable z13 scheduling for arch12.
28564         (s390_sched_reorder): Likewise.
28565         (s390_sched_variable_issue): Likewise.
28566         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
28567         PF_VXE.
28568         (s390_tune_attr): Use z13 scheduling also for arch12.
28569         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
28570         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
28571         (TARGET_VXE_P): New macros.
28572         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
28573         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
28574         * config/s390/s390.opt: Add arch12 as processor_type.
28576 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28578         * config/s390/s390.md
28579         ("fixuns_truncdddi2", "fixuns_trunctddi2")
28580         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
28581         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
28583         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
28584         Rename expanders to ...
28586         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
28587         ("fixuns_truncdddi2_emu"): ... these.
28589         ("fixuns_trunc<mode>si2_emu"): New expander.
28591         ("*fixuns_truncdfdi2_z13"): Rename to ...
28592         ("*fixuns_truncdfdi2_vx"): ... this.
28594 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28596         * config/s390/2964.md: Remove the single element vector compare
28597         instructions which are no longer used.
28598         * config/s390/s390.c (s390_select_ccmode): Remove handling of
28599         vector CCmodes.
28600         (s390_canonicalize_comparison): Remove handling of DFmode
28601         compares.
28602         (s390_expand_vec_compare_scalar): Remove function.
28603         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
28604         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
28605         pattern.
28606         ("*cmp<mode>_ccs"): Add wfcdb instruction.
28608 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28610         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
28611         FP zero.
28612         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
28613         will anyway by matched by mov<mode>_64dfp.
28615 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28617         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
28618         vlef/vstef.  Add missing operand to vleif.
28620 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28622         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
28623         pair for all vector types with 64 bit elements.
28624         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
28625         * config/s390/vector.md (V_HW_64): ... here.
28626         (V_128_NOSINGLE): New mode iterator.
28627         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
28628         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
28629         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
28630         ("*vec_load_pairv2di"): Change to ...
28631         ("*vec_load_pair<mode>"): ... this one.
28633 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28635         * config/s390/constraints.md: Add comments.
28636         (jKK): Reject element sizes > 8 bytes.
28637         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
28638         s_operands.
28639         * config/s390/s390.md: Add the s_operand checks formerly in
28640         s390_split_ok_p to various splitters where they are still
28641         required.
28642         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
28643         for 128 bit vectors.  Plus two splitters.
28645 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28647         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
28648         the file.
28650 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
28652         PR target/79893
28653         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
28654         error if the boundary argument is not constant.
28656 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
28658         PR rtl-optimization/80112
28659         * loop-doloop.c (doloop_condition_get): Don't check condition
28660         if cmp isn't SET with IF_THEN_ELSE src.
28662 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28664         PR tree-optimization/80158
28665         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
28666         replacing a candidate statement, also replace it for the
28667         candidate's alternate interpretation.
28668         (replace_rhs_if_not_dup): Likewise.
28669         (replace_one_candidate): Likewise.
28671 2017-03-24  Richard Biener  <rguenther@suse.de>
28673         PR tree-optimization/80167
28674         * graphite-isl-ast-to-gimple.c
28675         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
28676         properly.
28677         (translate_isl_ast_to_gimple::get_rename): Likewise.
28679 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
28681         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
28682         handling of certain combinations of target options, including the
28683         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
28684         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
28686 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
28688         PR target/71436
28689         * config/arm/arm.md (*load_multiple): Add reload_completed to
28690         matching condition.
28692 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28693             Richard Biener  <rguenth@suse.de>
28695         PR tree-optimization/79908
28696         PR tree-optimization/80136
28697         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
28698         been cast away, gimplify_and_add suffices.
28700 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
28702         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
28704 2017-03-23  Richard Biener  <rguenther@suse.de>
28706         PR tree-optimization/80032
28707         * gimplify.c (gimple_push_cleanup): Forced unconditional
28708         cleanups still have to go to the conditional_cleanups
28709         sequence.
28711 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
28713         PR tree-optimization/80072
28714         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
28715         to unsigned int.
28716         (next_operand_entry_id): Change type to unsigned int.
28717         (sort_by_operand_rank): Make sure to return the right return value
28718         even if unsigned fields are bigger than INT_MAX.
28719         (struct oecount): Change cnt and id type to unsigned int.
28720         (oecount_hasher::equal): Formatting fix.
28721         (oecount_cmp): Make sure to return the right return value
28722         even if unsigned fields are bigger than INT_MAX.
28723         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
28725         PR c++/80129
28726         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
28727         TREE_READONLY on result if writing it more than once.
28729         PR sanitizer/80110
28730         * doc/invoke.texi (-fsanitize=thread): Document that with
28731         -fnon-call-exceptions atomics are not able to throw
28732         exceptions.
28734         PR sanitizer/80110
28735         * tsan.c: Include tree-eh.h.
28736         (instrument_builtin_call): Call maybe_clean_eh_stmt or
28737         maybe_clean_or_replace_eh_stmt where needed.
28738         (instrument_memory_accesses): Add cfg_changed argument.
28739         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
28740         if it returned true.
28741         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
28743         PR rtl-optimization/63191
28744         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
28745         wrapper function, moved the whole old content into ...
28746         (ix86_delegitimize_address_1): ... this.  New inline function.
28747         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
28748         true as last argument instead of ix86_delegitimize_address.
28750 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
28752         * config/aarch64/aarch64.c (generic_branch_cost): Copy
28753         cortexa57_branch_cost.
28755 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
28757         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
28759 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
28761         PR target/80123
28762         * doc/md.texi (Constraints): Document wA constraint.
28763         * config/rs6000/constraints.md (wA): New.
28764         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
28765         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
28766         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
28767         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
28769 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
28771         PR c++/80029
28772         * gimplify.c (is_oacc_declared): New function.
28773         (oacc_default_clause): Use it to set default flags for acc declared
28774         variables inside parallel regions.
28775         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
28776         declared variables.
28777         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
28778         declare attribute to any decl as necessary.
28780 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
28782         PR target/80082
28783         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
28784         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
28785         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
28786         (arm_arch_lpae): This.
28787         * config/arm/arm.c (arm_arch7ve): Rename into ...
28788         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
28789         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
28790         arm_arch_lpae.
28792 2017-03-22  Martin Liska  <mliska@suse.cz>
28794         PR target/79906
28795         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
28796         error message instead of an ICE.
28798 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28800         * doc/extend.texi (6.11 Additional Floating Types): Revise.
28802 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
28804         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
28805         comments.
28806         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
28807         comments.
28809 2017-03-21  Martin Sebor  <msebor@redhat.com>
28811         * doc/extend.texi: Use "cannot" instead of "can't."
28812         * doc/hostconfig.texi: Same.
28813         * doc/install.texi: Same.
28814         * doc/invoke.texi: Same.
28815         * doc/loop.texi: Same.
28816         * doc/md.texi: Same.
28817         * doc/objc.texi: Same.
28818         * doc/rtl.texi: Same.
28819         * doc/tm.texi: Same.
28820         * doc/tm.texi.in: Same.
28821         * doc/trouble.texi: Same.
28823 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
28825         PR debug/63238
28826         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
28827         (collect_checksum_attributes): Set it.
28828         (die_checksum_ordered): Use it.
28830 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28832         PR tree-optimization/79908
28833         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
28834         change: For a VA_ARG whose LHS has been cast away, use
28835         force_gimple_operand to construct the side effects.
28837 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
28839         PR translation/80001
28840         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
28841         more amenable to translation.
28842         (oacc_loop_auto_partitions): Likewise.
28844 2017-03-21  Marek Polacek  <polacek@redhat.com>
28845             Martin Sebor  <msebor@redhat.com>
28847         PR tree-optimization/80109
28848         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
28849         on INTEGRAL_TYPE_P.
28851 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
28852             Segher Boessenkool  <segher@kernel.crashing.org>
28854         PR target/80125
28855         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
28856         check reg_used_between_p between insn and one of succ or succ2
28857         depending on if succ is artificial insn not inserted into insn
28858         stream.
28860 2017-03-21  Martin Liska  <mliska@suse.cz>
28862         PR gcov-profile/80081
28863         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
28864         * doc/gcc.texi: Include gcov-dump stuff.
28865         * doc/gcov-dump.texi: New file.
28867 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
28869         PR rtl-optimization/79150
28870         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
28871         conditional jump, if the jump is the last insn of the loop.
28873 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28874             Richard Biener  <rguenth@suse.de>
28876         PR tree-optimization/79908
28877         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
28878         been cast away, use force_gimple_operand to construct the side
28879         effects.
28881 2017-03-21  Martin Liska  <mliska@suse.cz>
28883         PR libfortran/79956
28884         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
28885         to NULL.
28887 2017-03-21  Brad Spengler <spender@grsecurity.net>
28889         PR plugins/80094
28890         * plugin.c (htab_hash_plugin): New function.
28891         (add_new_plugin): Use it and adjust.
28892         (parse_plugin_arg_opt): Adjust.
28893         (init_one_plugin): Likewise.
28895 2017-03-21  Richard Biener  <rguenther@suse.de>
28897         PR tree-optimization/80032
28898         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
28899         if set force the cleanup to happen unconditionally.
28900         (gimplify_target_expr): Push inserted clobbers with force_uncond
28901         to avoid them being removed by control-dependent DCE.
28903 2017-03-21  Richard Biener  <rguenther@suse.de>
28905         PR tree-optimization/80122
28906         * tree-inline.c (copy_bb): Do not expans va-arg packs or
28907         va_arg_pack_len when the inlined call stmt requires pack
28908         expansion itself.
28909         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
28911 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
28913         PR sanitizer/78158
28914         * tsan.c (instrument_builtin_call): If the memory model argument
28915         is not a constant, assume it is valid.
28917         PR c/67338
28918         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
28919         avoid UB.
28921 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
28923         PR rtl-optimization/79910
28924         * combine.c (can_combine_p): Do not allow combining an I0 or I1
28925         if its dest is used by an insn before I2 (other than the combined
28926         insns themselves, which are properly handled already).
28928 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
28930         Revert:
28931         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
28933         * combine.c (record_used_regs): New static function.
28934         (try_combine): Handle situations where there is an additional
28935         instruction between I2 and I3 which needs to have a LOG_LINK
28936         updated.
28938         Revert:
28939         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
28941         * combine.c (try_combine): Delete redundant i1 test.  Call
28942         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
28944 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
28946         PR target/80083
28947         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
28948         alternatives 13/14.
28950 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28952         PR tree-optimization/80054
28953         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
28954         the optimization if a PHI or any of its arguments is not dominated
28955         by the candidate's basis.  Use gphi* rather than gimple* as
28956         appropriate.
28957         (replace_profitable_candidates): Clean up a gimple* variable that
28958         should be a gphi* variable.
28960 2017-03-20  Martin Sebor  <msebor@redhat.com>
28962         PR c++/52477
28963         * doc/extend.texi (attribute constructor): Document present limitation.
28965 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
28967         PR target/79963
28968         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
28969         __POWER9_VECTOR__ #ifdef control, change template definition to
28970         use Power9-specific built-in function.
28971         (vec_any_eq): Likewise.
28972         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
28973         to control outcomes from this test.
28974         (vector_ae_<mode>p): For VEC_F modes, likewise.
28976 2017-03-20  Ian Lance Taylor  <iant@google.com>
28978         * config/i386/i386.c (ix86_function_regparm): Save an extra
28979         register for -fsplit-stack with DECL_STATIC_CHAIN.
28981 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
28983         PR target/79912
28984         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
28985         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
28987 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
28989         * config/riscv/riscv.c (riscv_print_operand): Use "fence
28990         iorw,ow".
28991         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
28992         iorw,iorw".
28994 2017-03-20  Marek Polacek  <polacek@redhat.com>
28996         PR sanitizer/80063
28997         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
28999 2017-03-20  Richard Biener  <rguenther@suse.de>
29001         PR tree-optimization/80113
29002         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
29003         allocate extra SSA name for PHI def.
29004         (add_close_phis_to_outer_loops): Likewise.
29005         (add_close_phis_to_merge_points): Likewise.
29006         (copy_loop_close_phi_args): Likewise.
29007         (copy_cond_phi_nodes): Likewise.
29009 2017-03-20  Martin Liska  <mliska@suse.cz>
29011         PR middle-end/79753
29012         * tree-chkp.c (chkp_build_returned_bound): Do not build
29013         returned bounds for a LHS that's not a BOUNDED_P type.
29015 2017-03-20  Martin Liska  <mliska@suse.cz>
29017         PR target/79769
29018         PR target/79770
29019         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
29020         COMPLEX_CST and VECTOR_CST.
29022 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
29024         PR target/78857
29025         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
29026         target operand.  A new splitter adds the clobber statement in case
29027         the target operand is dead anyway.
29029 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
29031         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
29032         to age-old versions of binutils and glibc.
29034 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
29036         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
29038 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
29040         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
29042 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
29044         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
29045         requirement for binutils 2.13.
29047 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
29049         * combine.c (try_combine): Delete redundant i1 test.  Call
29050         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
29052 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
29054         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
29055         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
29056         contents.
29057         <riscv64-*-elf>: Re-arrange section
29058         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
29059         <riscv32-*-linux>: Likewise.
29060         <riscv64-*-elf>: Likewise
29061         <riscv64-*-linux>: Likewise.
29063 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
29065         PR target/80052
29066         * aarch64.opt(verbose-cost-dump): Fix typo.
29068 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
29070         PR target/79951
29071         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
29072         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
29074 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
29076         * reload.c (find_reloads): When reloading a nonoffsettable address,
29077         use RELOAD_OTHER for it and its address reloads.
29079         PR rtl-optimization/79910
29080         * combine.c (record_used_regs): New static function.
29081         (try_combine): Handle situations where there is an additional
29082         instruction between I2 and I3 which needs to have a LOG_LINK
29083         updated.
29085 2017-03-17  Jeff Law  <law@redhat.com>
29087         PR tree-optimization/71437
29088         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
29089         conditional in the hash table first.
29090         (vrp_dom_walker::before_dom_children): Extract condition from
29091         ASSERT_EXPR.  Record condition, its inverion and any implied
29092         conditions as well.
29094 2017-03-17  Marek Polacek  <polacek@redhat.com>
29095             Markus Trippelsdorf  <markus@trippelsdorf.de>
29097         PR tree-optimization/80079
29098         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
29099         m_stores_head.
29101 2017-03-17  Richard Biener  <rguenther@suse.de>
29103         PR middle-end/80075
29104         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
29105         Properly verify the LHS before the RHS possibly claims to be
29106         handled.
29107         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
29108         do not throw.
29110 2017-03-17  Martin Jambor  <mjambor@suse.cz>
29112         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
29113         (List of -O2 options): Likewise.
29114         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
29115         (-fipa-vrp) New.
29117 2017-03-17  Tom de Vries  <tom@codesourcery.com>
29119         * gcov-dump.c (print_usage): Print bug_report_url.
29121 2017-03-17  Richard Biener  <rguenther@suse.de>
29123         PR middle-end/80050
29124         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
29125         (parser::peek): Likewise.
29127 2017-03-17  Richard Biener  <rguenther@suse.de>
29129         PR tree-optimization/80048
29130         * sese.c (free_sese_info): Properly release rename_map and
29131         copied_bb_map elements.
29133 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
29135         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
29136         Add linked-list forward and backlinks.  Insert on
29137         construction, remove on destruction.
29138         (class pass_store_merging): Add m_stores_head field.
29139         (pass_store_merging::terminate_and_process_all_chains):
29140         Iterate over m_stores_head list.
29141         (pass_store_merging::terminate_all_aliasing_chains):
29142         Likewise.
29143         (pass_store_merging::execute): Check for debug stmts first.
29144         Push new chains onto the m_stores_head stack.
29146 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
29148         PR target/71294
29149         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
29150         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
29151         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
29153 2017-03-16  Jeff Law  <law@redhat.com>
29155         PR tree-optimization/71437
29156         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
29157         member function.  Implementation moved into after_dom_children
29158         member function and into the threader's thread_outgoing_edges
29159         function.
29160         (dom_opt_dom_walker::after_dom_children): Simplify by moving
29161         some code into new thread_outgoing_edges.
29162         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
29163         definition.  Simplify marker handling (do it here).   Assume we always
29164         have the available expression and the const/copies tables.
29165         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
29166         and tree-vrp.c
29167         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
29168         * tree-vrp.c (equiv_stack): No longer file scoped.
29169         (vrp_dom_walker): New class.
29170         (vrp_dom_walker::before_dom_children): New member function.
29171         (vrp_dom_walker::after_dom_children): Likewise.
29172         (identify_jump_threads):  Setup domwalker.  Use it rather than
29173         walking edges in a random order by hand.  Simplify setup/finalization.
29174         (finalize_jump_threads): Remove.
29175         (vrp_finalize): Do not call identify_jump_threads here.
29176         (execute_vrp): Do it here instead and call thread_through_all_blocks
29177         here too.
29179         PR tree-optimization/71437
29180         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
29181         callers changed.
29182         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
29183         callers changed.
29184         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
29185         (dom_opt_dom_walker::thread_across_edge): Remove
29186         handle_dominating_asserts argument.  All callers changed.
29187         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
29188         changes.  Remove calls to lhs_of_dominating_assert.  Other
29189         uses of handle_dominating_asserts turn into unconditional code
29190         (simplify_control_stmt_condition_1): Likewise.
29191         (simplify_control_stmt_condition): Likewise.
29192         (thread_through_normal_block, thread_across_edge): Likewise.
29193         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
29194         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
29195         object if it is not an SSA_NAME.
29196         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
29197         before calling into the VRP specific simplifiers.
29198         (identify_jump_threads): Remove handle_dominating_asserts
29199         argument.
29201 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
29203         PR fortran/79886
29204         * tree-diagnostic.c (default_tree_printer): No longer static.
29205         * tree-diagnostic.h (default_tree_printer): New prototype.
29207 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
29209         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
29210         Change ins into fmov.
29212 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29214         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
29215         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
29216         Use h_con constraint for operand 1.
29217         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
29218         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
29220 2017-03-15  Jeff Law  <law@redhat.com>
29222         PR tree-optimization/71437
29223         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
29224         (record_temporary_equivalences): Use it.
29226         PR tree-optimization/71437
29227         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
29228         tree-ssa-scopedtables.
29229         (lookup_avail_expr, build_and_record_new_cond): Likewise.
29230         (record_conditions, record_cond, vuse_eq): Likewise.
29231         (record_edge_info): Adjust to API tweak of record_conditions.
29232         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
29233         (record_temporary_equivalences, optimize_stmt): Likewise.
29234         (eliminate_redundant_computations): Likewise.
29235         (record_equivalences_from_stmt): Likewise.
29236         * tree-ssa-scopedtables.c: Include options.h and params.h.
29237         (vuse_eq): New function, moved from tree-ssa-dom.c
29238         (build_and_record_new_cond): Likewise.
29239         (record_conditions): Likewise.  Accept vector of conditions rather
29240         than edge_equivalence structure for first argument.
29241         for the first argument.
29242         (avail_exprs_stack::lookup_avail_expr): New member function, moved
29243         from tree-ssa-dom.c.
29244         (avail_exprs_stack::record_cond): Likewise.
29245         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
29246         from tree-ssa-dom.c.
29247         (avail_exprs_stack): Add new member functions lookup_avail_expr
29248         and record_cond.
29249         (record_conditions): Declare.
29251 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
29253         PR target/80017
29254         * lra-constraints.c (process_alt_operands): Increase reject for
29255         reloading an input/output operand.
29257 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
29259         PR target/79038
29260         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
29261         insns to convert from signed/unsigned char/short to IEEE 128-bit
29262         floating point.
29263         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
29265 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
29267         PR target/80019
29268         * config/i386/i386.c (ix86_vector_duplicate_value): Create
29269         subreg of inner mode for values already in registers.
29271 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
29273         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
29274         iteration reg is used after the loop.
29276 2017-03-14  Martin Sebor  <msebor@redhat.com>
29278         PR tree-optimization/79800
29279         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
29280         precision in negative-positive range.
29281         (format_floating): Call non-const overload with adjusted precision.
29283 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
29285         PR target/79947
29286         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
29287         -mpowerpc-gfxopt.
29289 2017-03-14  Martin Sebor  <msebor@redhat.com>
29291         PR middle-end/80020
29292         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
29293         * builtins.def (aligned_alloc): Use it.
29295         PR c/79936
29296         * Makefile.in (GTFILES): Add calls.c.
29297         * calls.c: Include "gt-calls.h".
29299 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
29301         PR rtl-optimization/79728
29302         * regs.h (struct target_regs): New field
29303         x_contains_allocatable_regs_of_mode.
29304         (contains_allocatable_regs_of_mode): New macro.
29305         * reginfo.c (init_reg_sets_1): Initialize it, and change
29306         contains_reg_of_mode so it includes global regs as well.
29307         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
29308         rather than contains_regs_of_mode.
29310 2017-03-14  Martin Liska  <mliska@suse.cz>
29312         * doc/invoke.texi: Document options that can't be combined with
29313         -fcheck-pointer-bounds.
29315 2017-03-14  Martin Liska  <mliska@suse.cz>
29317         PR middle-end/79831
29318         * doc/invoke.texi (-Wchkp): Document the option.
29320 2017-03-14  Martin Liska  <mliska@suse.cz>
29322         * Makefile.in: Install gcov-dump.
29324 2017-03-14  Martin Liska  <mliska@suse.cz>
29326         * multiple_target.c (expand_target_clones): Bail out for
29327         an invalid attribute.
29329 2017-03-14  Richard Biener  <rguenther@suse.de>
29331         * alias.c (struct alias_set_entry): Pack properly.
29332         * cfgloop.h (struct loop): Likewise.
29333         * cse.c (struct set): Likewise.
29334         * ipa-utils.c (struct searchc_env): Likewise.
29335         * loop-invariant.c (struct invariant): Likewise.
29336         * lra-remat.c (struct cand): Likewise.
29337         * recog.c (struct change_t): Likewise.
29338         * rtl.h (struct address_info): Likewise.
29339         * symbol-summary.h (function_summary): Likewise.
29340         * tree-loop-distribution.c (struct partition): Likewise.
29341         * tree-object-size.c (struct object_size_info): Likewise.
29342         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
29343         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
29344         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
29345         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
29346         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
29347         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
29348         (struct _stmt_vec_info): Likewise.
29350 2017-03-14  Martin Liska  <mliska@suse.cz>
29352         PR target/79892
29353         * multiple_target.c (create_dispatcher_calls): Check that
29354         a target can create a function dispatcher.
29356 2017-03-14  Martin Liska  <mliska@suse.cz>
29358         PR lto/66295
29359         * multiple_target.c (expand_target_clones): Drop local.local
29360         flag for default implementation.
29362 2017-03-14  Richard Biener  <rguenther@suse.de>
29364         PR tree-optimization/80030
29365         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
29367 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
29369         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
29370         gcc_fallthrough() instead of __attribute__((fallthrough));
29372 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
29374         * doc/gcc.texi: Remove "up" link to (DIR).
29375         * doc/gccint.texi: Ditto.
29377 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
29379         * doc/install.texi (Specific) <avr>: Remove reference to
29380         binutils 2.13.
29382 2017-03-13  Jeff Law  <law@redhat.com>
29384         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
29385         attribute rather than comments.
29387         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
29388         match_scratch operand is highest.
29390 2017-03-13  Martin Liska  <mliska@suse.cz>
29392         PR middle-end/78339
29393         * ipa-pure-const.c (warn_function_noreturn): If the declarations
29394         is a CHKP clone, use original declaration.
29396 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
29398         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
29399         (arc_conditional_register_usage): Use a different allocation order
29400         when optimizing for size.
29401         * common/config/arc/arc-common.c (arc_option_optimization_table):
29402         Section anchors default on when optimizing for size.
29404 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
29406         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
29408 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
29410         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
29411         * config/arc/arc.md (cpu_facility): Add cd variant.
29412         (*movqi_insn): Add code density variant.
29413         (*movhi_insn): Likewise.
29414         (*movqi_insn): Likewise.
29415         (*addsi3_mixed): Likewise.
29416         (subsi3_insn): Likewise.
29418 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
29420         * config/arc/arc.md (movsi_cond_exec): Update constraint.
29422 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
29424         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
29425         expressions with MINUS and UNARY ops.
29427 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29429         PR target/79911
29430         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
29431         Rename to...
29432         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
29433         between vec_select and vector argument.
29434         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
29435         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
29436         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
29437         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
29438         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
29439         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
29441 2017-03-13  Richard Biener  <rguenther@suse.de>
29443         PR other/79991
29444         * params.def (vect-max-peeling-for-alignment): Fix typo.
29446 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
29448         * doc/install.texi (Specific) <mips-*-*>: Remove description of
29449         issue that only occurred with binutils below 2.18.
29451 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
29453         * doc/install.texi (Specific) <cris-axis-elf>: No longer
29454         refer to binutils 2.11/2.12 minimum.
29456 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
29458         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
29459         ftp.kernel.org and simplify binutils requirement.
29461 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
29463         * doc/invoke.texi (Warning Options): Fix spelling of link-time
29464         optimization.
29465         (Optimize Options): Ditto.  Also remove redundancy.
29467 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
29469         PR translation/79848
29470         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
29471         "%qs".
29472         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
29473         to G_ to avoid double translation.
29475 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
29477         PR translation/79923
29478         * auto-profile.c (get_combined_location): Convert leading
29479         character of diagnostics to lower case and remove trailing period.
29480         (read_profile): Likewise for various diagnostics.
29481         * config/arm/arm.c (arm_option_override): Remove trailing period
29482         from various diagnostics.
29483         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
29484         (msp430_expand_delay_cycles): Likewise.
29486 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
29488         PR target/79925
29489         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
29490         full command-line argument, rather than just "str".
29491         (aarch64_validate_march): Likewise.
29492         (aarch64_validate_mtune): Likewise.
29494 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
29496         PR rtl-optimization/78911
29497         * lra-assigns.c (must_not_spill_p): New function.
29498         (spill_for): Use it.
29500 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
29502         PR tree-optimization/79981
29503         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
29504         ATOMIC_COMPARE_EXCHANGE ifn result.
29505         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
29506         IFN_ATOMIC_COMPARE_EXCHANGE.
29508 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
29510         PR driver/79875
29511         * opts.c (parse_sanitizer_options): Add missing question mark to
29512         "did you mean" message.
29514 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
29516         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
29517         built-in.
29518         (VMULEUH_UNS): Likewise.
29519         (VMULOUB_UNS): Likewise.
29520         (VMULOUH_UNS): Likewise.
29521         * config/rs6000/rs6000.c (builtin_function_type): Remove
29522         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
29524 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
29526         PR bootstrap/79952
29527         * read-rtl-function.c (function_reader::read_rtx_operand): Update
29528         x with result of extra_parsing_for_operand_code_0.
29529         (function_reader::extra_parsing_for_operand_code_0): Convert
29530         return type from void to rtx, returning x.  When reading
29531         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
29532         larger size containing struct block_symbol.
29534 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
29536         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
29537         -mfloat128-hardware without -m64.
29539 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
29541         PR target/79941
29542         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
29543         entries to the case statement that marks unsigned arguments to
29544         overloaded functions.
29546 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
29548         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
29549         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
29551 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
29553         PR target/79907
29554         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
29555         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
29557 2017-03-10  Martin Liska  <mliska@suse.cz>
29559         PR target/65705
29560         PR target/69804
29561         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
29562         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
29563         FIELD != NULL.
29565 2017-03-10  Olivier Hainque  <hainque@adacore.com>
29567         * tree-switch-conversion (array_value_type): Start by resetting
29568         candidate type to it's main variant.
29570 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
29572         PR rtl-optimization/79909
29573         * combine.c (try_combine): Use simplify_replace_rtx on individual
29574         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
29575         of the whole CALL_INSN_FUNCTION_USAGE.
29577         PR tree-optimization/79972
29578         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
29579         get_range_info on SSA_NAMEs.  Formatting fixes.
29581 2017-03-10  Richard Biener  <rguenther@suse.de>
29582             Jakub Jelinek  <jakub@redhat.com>
29584         PR tree-optimization/77975
29585         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
29586         edge to be constant.
29587         (get_val_for): For constant x return it.  Formatting fix.
29588         (loop_niter_by_eval): Avoid pointless looping if the next iteration
29589         would use the same bases as the current one.
29591 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
29593         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
29594         instead of vec_select for V1TImode.
29595         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
29596         longer needed.
29597         (VSX_LE_128): Add V1TI to this mode iterator.
29598         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
29599         (*vsx_le_perm_store_<mode>): Likewise.
29600         (pre-reload splitter for VSX stores): Likewise.
29601         (post-reload splitter for VSX stores): Likewise.
29602         (*vsx_xxpermdi2_le_<mode>): Likewise.
29603         (*vsx_lxvd2x2_le_<mode>): Likewise.
29604         (*vsx_stxvd2x2_le_<mode>): Likewise.
29606 2017-03-09  Michael Eager  <eager@eagercon.com>
29608         Correct failures with --enable-checking=yes,rtl.
29610         * config/microblaze/microblaze.c (microblaze_expand_shift):
29611         Replace GET_CODE test with CONST_INT_P and INTVAL test with
29612         test for const0_rtx.
29613         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
29614         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
29616 2017-03-09  Richard Biener  <rguenther@suse.de>
29618         PR tree-optimization/79977
29619         * graphite-scop-detection.c (scop_detection::merge_sese):
29620         Handle the case of extra exits to blocks dominating the entry.
29622 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
29624         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
29625         Document rdynamic.
29627 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
29629         PR rtl-optimization/79949
29630         * lra-constraints.c (process_alt_operands): Check memory when
29631         trying to predict a cycle.  Print about the overall increase.
29633 2017-03-09  Richard Biener  <rguenther@suse.de>
29635         PR middle-end/79971
29636         * gimple-expr.c (useless_type_conversion_p): Preserve
29637         TYPE_SATURATING for fixed-point types.
29639 2017-03-09  Richard Biener  <rguenther@suse.de>
29641         PR ipa/79970
29642         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
29643         alignment of BLKmode params.
29645 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29647         PR target/79913
29648         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
29649         (VALL_NO_V2Q): Likewise.
29650         (VDQF_DF): Delete.
29651         * config/aarch64/aarch64-simd.md
29652         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
29653         iterator.
29654         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
29655         VALL_NO_V2Q mode iterator.
29656         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
29658 2017-03-09  Martin Liska  <mliska@suse.cz>
29660         PR tree-optimization/79631
29661         * tree-chkp-opt.c (chkp_is_constant_addr): Call
29662         tree_int_cst_sign_bit just for INTEGER constants.
29664 2017-03-09  Martin Liska  <mliska@suse.cz>
29666         PR target/65705
29667         PR target/69804
29668         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
29669         sanitizers.
29671 2017-03-09  Marek Polacek  <polacek@redhat.com>
29673         PR c++/79672
29674         * tree.c (inchash::add_expr): Handle TREE_VEC.
29676 2017-03-09  Martin Liska  <mliska@suse.cz>
29678         PR ipa/79764
29679         (chkp_narrow_size_and_offset): New function.
29680         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
29681         (void chkp_parse_bit_field_ref): New function.
29682         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
29683         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
29685 2017-03-09  Martin Liska  <mliska@suse.cz>
29687         PR ipa/79761
29688         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
29689         (chkp_find_bounds_1): Remove gcc_unreachable.
29691 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
29693         PR sanitizer/79944
29694         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
29695         BUILT_IN_SYNC*, determine the access type from the size suffix and
29696         always build a MEM_REF with that type.  Handle forgotten
29697         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
29699         PR target/79932
29700         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
29701         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
29702         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
29703         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
29704         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
29705         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
29706         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
29707         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
29708         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
29709         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
29710         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
29711         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
29712         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
29713         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
29714         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
29715         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
29716         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
29717         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
29718         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
29719         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
29720         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
29721         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
29722         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
29723         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
29724         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
29725         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
29726         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
29727         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
29728         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
29729         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
29730         definitions outside of __OPTIMIZE__ guarded section.
29732         PR target/79932
29733         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
29734         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
29735         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
29736         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
29737         guarded section.
29739 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
29741         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
29742         ("vfenez<mode>"): Add missing constraints.
29744 2017-03-08  Martin Sebor  <msebor@redhat.com>
29746         PR target/79928
29747         * config/nds32/nds32.c (nds32_option_override):
29748         Fix misspelled diagnostic.
29750 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
29752         PR c/79940
29753         * gimplify.c (gimplify_omp_for): Replace index var in outer
29754         taskloop statement with an artificial variable and add
29755         OMP_CLAUSE_PRIVATE clause for it.
29757 2017-03-08  Richard Biener  <rguenther@suse.de>
29759         PR tree-optimization/79955
29760         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
29761         for accesses that are completely outside of the variable.
29763 2017-03-08  Andrew Haley  <aph@redhat.com>
29765         PR tree-optimization/79943
29766         * tree-ssa-loop-split.c (compute_new_first_bound): When
29767         calculating the new upper bound, (END-BEG) should be added, not
29768         subtracted.
29770 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
29772         * config/avr/avr.md (setmemhi): Make sure match_dup
29773         operand number comes before match_scratch.
29775 2017-03-08  Richard Biener  <rguenther@suse.de>
29777         PR tree-optimization/79920
29778         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
29779         with ncopies == 1 to ...
29780         (vect_transform_slp_perm_load): ... here.  Properly compute
29781         all element loads by iterating VF times over the group.  Do
29782         not handle ncopies (computed in a broken way) in
29783         vect_create_mask_and_perm.
29785 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
29787         PR sanitizer/79904
29788         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
29789         is a uniform vector, use uniform_vector_p return value instead of
29790         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
29792 2017-03-07  Marek Polacek  <polacek@redhat.com>
29794         PR middle-end/79809
29795         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
29796         (alloca_call_type): Likewise.
29798 2017-03-07  Martin Liska  <mliska@suse.cz>
29800         * gcov.c (process_args): Put comment to correct location.
29802 2017-03-07  Martin Liska  <mliska@suse.cz>
29804         PR middle-end/68270
29805         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
29806         Use array_at_struct_end_p instead of DECL_CHAIN (field).
29807         (chkp_narrow_bounds_for_field): Likewise.
29808         (chkp_parse_array_and_component_ref): Pass one more argument to
29809         call.
29811 2017-03-07  Richard Biener  <rguenther@suse.de>
29813         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
29814         preheaders.
29816 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
29818         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
29819         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
29821 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29823         PR c/79855
29824         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
29825         to end of description.
29826         (PARAM_MAX_STORES_TO_MERGE): Likewise.
29828 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
29830         PR rtl-optimization/79901
29831         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
29832         ...
29833         (*avx512f_<code><mode>3<mask_name>): ... this.
29834         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
29835         iterator instead of VI8_AVX2_AVX512BW.
29837         PR rtl-optimization/79901
29838         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
29839         min/max expander, expand it using expand_vec_cond_expr.
29841         PR sanitizer/79897
29842         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
29843         temporary.
29845 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
29847         PR c++/79821
29848         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
29849         to void * for PCH reasons.
29850         * dwarf2out.c (output_loc_operands, output_die): Cast
29851         v.val_vec.array to unsigned char *.
29853 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
29855         PR target/77850
29856         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
29857         vector types.
29859 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
29861         PR rtl-optimization/79571
29862         * lra-constraints.c (process_alt_operands): Calculate static
29863         reject and subtract it from overall when only addresses will be
29864         reloaded.
29866 2017-03-06  Julia Koval  <julia.koval@intel.com>
29868         PR target/79793
29869         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
29870         incoming stack boundary to 128 for 64-bit targets.
29872 2017-03-06  Richard Biener  <rguenther@suse.de>
29874         PR tree-optimization/79894
29875         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
29876         to NULL after folding it.
29878 2017-03-06  Richard Biener  <rguenther@suse.de>
29880         PR tree-optimization/79824
29881         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
29882         check disabling peeling for gaps.
29884 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
29886         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
29887         attributes): Document gettimeofday.
29889 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
29891         * config/s390/s390.c (s390_option_override_internal): Set
29892         PARAM_MIN_VECT_LOOP_BOUND
29894 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
29896         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
29897         * config/s390/s390.md: Likewise.
29899 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
29901         PR target/79812
29902         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
29903         (<avx2_avx512>_perm<mode>): Rename to ...
29904         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
29905         of VI8F_256_512.
29906         (<avx512>_perm<mode>_mask): Rename to ...
29907         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
29908         of VI8F_256_512.
29909         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
29910         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
29911         instead of VI8F_256_512.
29912         (avx512f_perm<mode>): New define_expand.
29913         (avx512f_perm<mode>_mask): Likewise.
29914         (avx512f_perm<mode>_1<mask_name>): New define_insn.
29915         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
29917 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
29919         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
29920         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
29921         if_then_else.
29922         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
29924 2017-03-06  Martin Liska  <mliska@suse.cz>
29926         PR sanitize/79783
29927         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
29928         when having a SSA NAME w/o VAR_DECL assigned to it.
29930 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
29932         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
29933         msa_dpsub_<su>_d): Fix MODE for vec_select.
29935 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
29937         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
29938         argument.
29939         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
29941 2017-03-06  Richard Biener  <rguenther@suse.de>
29943         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
29944         * plugin.c (register_plugin_info): Likewise.
29945         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
29947 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
29949         * config/i386/sse.md (sse_storehps, sse_storelps,
29950         avx_<castmode><avxsizesuffix>_<castmode>,
29951         avx512f_<castmode><avxsizesuffix>_<castmode>,
29952         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
29953         in condition that at least one operand is not a MEM.
29955 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
29957         PR middle-end/79805
29958         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
29959         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
29960         ECF_NOTHROW.
29961         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
29962         gimple_call_nothrow_p flag based on whether original builtin can throw.
29963         If it can, emit following stmts on the fallthrough edge.
29964         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
29965         don't create new bb if inserting just debug stmts on the edge, try to
29966         insert them on the fallthru bb or just reset debug stmts.
29968 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
29970         PR target/43763
29971         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
29972         restore recog_data (including the operand rtxes inside it) around
29973         the call to get_insn_template.
29975 2017-03-03  Martin Sebor  <msebor@redhat.com>
29977         PR tree-optimization/79699
29978         * context.c (context::~context): Free MPFR caches to avoid
29979         a memory leak on program exit.
29981 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
29983         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
29984         Use wide_int::ulow () instead of .elt (0).
29986 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
29988         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
29989         (*pushxf): Limit oF constraint to 32bit targets and add oC
29990         constraint for 64bit targets.
29991         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
29992         (*pushdf): Change rmF constraint to rmC.
29994 2017-03-03  Martin Liska  <mliska@suse.cz>
29996         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
29997         Remove unused variable.
29999 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
30001         PR target/79807
30002         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
30003         is a memory operand, increase num_memory.
30004         (ix86_expand_args_builtin): Likewise.
30006 2017-03-03  Jan Hubicka  <jh@suse.cz>
30008         PR lto/79760
30009         * ipa-devirt.c (maybe_record_node): Properly handle
30010         __cxa_pure_virtual visibility.
30012 2017-03-03  Martin Liska  <mliska@suse.cz>
30014         PR tree-optimization/79803
30015         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
30016         assert.
30017         (pass_loop_prefetch::execute): Disabled optimization if an
30018         assumption about L1 cache size is not met.
30020 2017-03-03  Martin Liska  <mliska@suse.cz>
30022         PR rtl-optimization/79574
30023         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
30024         (hash_scan_set): Likewise.
30025         (dump_hash_table): Likewise.
30026         (hoist_code): Likewise.
30028 2017-03-03  Richard Biener  <rguenther@suse.de>
30030         * fixed-value.c (fixed_from_string): Restore use of elt (1)
30031         in place of uhigh ().
30032         (fixed_convert_from_real): Likewise.
30034 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
30036         PR target/79514
30037         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
30039 2017-03-03  Richard Biener  <rguenther@suse.de>
30041         PR middle-end/79818
30042         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
30043         TYPE_OVERFLOW_UNDEFINED check.
30045 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
30047         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
30048         numbers.
30049         (vector_ae_<mode>_p): Likewise.
30050         (vector_nez_<mode>_p): Likewise.
30051         (vector_ne_v2di_p): Likewise.
30052         (vector_ae_v2di_p): Likewise.
30053         (vector_ne_<mode>_p): Likewise.
30054         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
30055         numbers.
30056         (vsx_tsqrt<mode>2_fe): Likewise.
30058 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
30060         PR target/79514
30061         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
30063 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
30065         PR rtl-optimization/79780
30066         * cprop.c (one_cprop_pass): When second and further conditional trap
30067         in a single basic block is turned into an unconditional trap, turn it
30068         into a deleted note to avoid RTL verification failures.
30070 2017-03-02  Richard Biener  <rguenther@suse.de>
30072         * fold-const.c (const_binop): Use ulow () instead of elt (0).
30074 2017-03-02  Richard Biener  <rguenther@suse.de>
30076         PR tree-optimization/79345
30077         PR c++/42000
30078         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
30079         param and abort the walk, returning -1 if it is hit.
30080         (walk_aliased_vdefs): Take a limit param and pass it on.
30081         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
30082         defaulting to 0 and return a signed int.
30083         * tree-ssa-uninit.c (struct check_defs_data): New struct.
30084         (check_defs): New helper.
30085         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
30086         about uninitialized memory.
30087         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
30088         bogus uninitialized warning.
30089         (fixed_convert_from_real): Likewise.
30091 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
30093         PR tree-optimization/66768
30094         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
30095         iv_use if base object can't be determined.
30097 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
30099         PR tree-optimization/79345
30100         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
30101         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
30102         (get_pattern_stats): Initialize it.
30103         * genemit.c (gen_expand): Verify match_scratch numbers come after
30104         match_operand/match_dup numbers.
30105         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
30106         match_scratch numbers.
30107         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
30108         Likewise.
30109         * config/s390/s390.md (trunctdsd2): Likewise.
30111 2017-03-02  Richard Biener  <rguenther@suse.de>
30113         * wide-int.h (wide_int_storage::operator=): Implement in terms
30114         of wi::copy.
30116 2017-03-02  Richard Biener  <rguenther@suse.de>
30118         PR tree-optimization/79777
30119         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
30120         the to insert expression to sth existing.
30122 2017-03-01  Martin Sebor  <msebor@redhat.com>
30124         PR middle-end/79692
30125         * gimple-ssa-sprintf.c
30126         (directive::known_width_and_precision): New function.
30127         (format_integer): Use it.
30128         (get_mpfr_format_length): Consider the full range of precision
30129         when computing %g output with the # flag.  Set the likely byte
30130         count to 3 rather than 1 when precision is indeterminate.
30131         (format_floating): Correct the lower bound of precision.
30133 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
30135         * doc/invoke.texi: Document default code model for 64-bit Linux.
30137 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
30139         PR target/79752
30140         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
30141         udiv rather than div since input pattern is unsigned.
30143 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
30145         * config/i386/i386.c (print_reg): Warn for values of
30146         unsupported size in integer register.
30148 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
30150         PR target/79439
30151         * config/rs6000/predicates.md (current_file_function_operand): Do
30152         not allow self calls to be local if the function is replaceable.
30154 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
30156         PR target/79395
30157         * config/rs6000/altivec.h (vec_ctz and others): Change the
30158         preprocessor macro that controls conditional compilation from
30159         _ARCH_PWR9 to __POWER9_VECTOR__.
30160         (vec_all_ne): Change parameterization of __altivec_scalar_pred
30161         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
30162         control (instead of _ARCH_PWR9 control) so that template
30163         definition uses power9-specific function.
30164         (vec_any_eq): Likewise.
30165         (vec_all_ne): Change macro definition to use a power9-specific
30166         expansion under #ifdef __POWER9_VECTOR__ control (instead of
30167         _ARCH_PWR9 control).
30168         (vec_any_eq) Likewise.
30169         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
30170         expansion for CMPNEF to remove support for xvcmpnesp instruction.
30171         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
30172         support for xvcmpnedp instruction.
30173         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
30174         macro expansion so that Power9 implementation of vec_all_ne does
30175         not use the AltiVec predicate framework.
30176         (VCMPNEH_P): Likewise.
30177         (VCMPNEW_P): Likewise.
30178         (VCMPNED_P): Likewise.
30179         (VCMPNEFP_P): Likewise.
30180         (VCMPNEDP_P): Likewise.
30181         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
30182         implementation of vec_any_eq to not use AltiVec predicate
30183         framework.
30184         (VCMPAEH_P): Likewise.
30185         (VCMPAEW_P): Likewise.
30186         (VCMPAED_P): Likewise.
30187         (VCMPAEFP_P): Likewise.
30188         (VCMPAEDP_P): Likewise.
30189         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
30190         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
30191         not use the AltiVec predicate framework.
30192         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
30193         of vec_any_eq to not use AltiVec predicate framework.
30194         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
30195         support for predefined __POWER9_VECTOR__ macro to indicate that
30196         Power9 instruction selection is enabled.
30197         (altivec_overloaded_builtins): Remove extraneous
30198         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
30199         function argument types RS6000_BTI_bool_V16QI and
30200         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
30201         entry for overloaded function argument types RS6000_BTI_bool_V4SI
30202         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
30203         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
30204         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
30205         Power9 for implementations of vec_cmpne.  Change the signature for
30206         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
30207         (representing vec_all_ne) to remove the previously described first
30208         argument of type RS6000_BTI_INTSI, as this was an artifact of
30209         reliance on the AltiVec predicate framework, which is no longer
30210         used in the implementation of these functions.  Add
30211         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
30212         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
30213         since, unlike the AltiVec predicate framework implementation, we
30214         do not share function descriptors between vec_alle and vec_anyeq.
30215         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
30216         set of modes that receive special treatment even when
30217         TARGET_P9_VECTOR is true.  The special treatment emits code that
30218         does not depend on Power9 instructions.
30219         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
30220         define_expand to not rely on AltiVec predicate framework.
30221         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
30222         function.
30223         (vector_ne_v2di_p): Change this define_expand to not rely on
30224         AltiVec predicate framework.
30225         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
30226         function.
30227         (vector_ne_<mode>_p): Change this define_expand to not rely on
30228         AltiVec predicate framework.
30229         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
30230         function.
30231         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
30232         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
30233         define_insn pattern.
30234         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
30235         define_insn pattern because the xvcmpne<VSs>. instruction is not
30236         supported.
30237         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
30238         instruction is not supported.
30240 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
30242         * config/nvptx/nvptx.c: Include intl.h.
30244 2017-03-01  Martin Jambor  <mjambor@suse.cz>
30246         PR lto/78140
30247         * ipa-prop.h (ipa_bits): Removed field known.
30248         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
30249         to pointers.  Adjusted their comments to warn about their sharing.
30250         (ipcp_transformation_summary): Change bits to a vector of pointers.
30251         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
30252         (ipa_get_ipa_bits_for_value): Declare.
30253         * tree-vrp.h (value_range): Mark as GTY((for_user)).
30254         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
30255         (ipa_bits_hash_table): Likewise.
30256         (ipa_vr_ggc_hash_traits): Likewise.
30257         (ipa_vr_hash_table): Likewise.
30258         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
30259         being pointers and vr_known being removed.
30260         (ipa_set_jf_unknown): Likewise.
30261         (ipa_get_ipa_bits_for_value): New function.
30262         (ipa_set_jfunc_bits): Likewise.
30263         (ipa_get_value_range): New overloaded functions.
30264         (ipa_set_jfunc_vr): Likewise.
30265         (ipa_compute_jump_functions_for_edge): Use the above functions to
30266         construct bits and vr parts of jump functions.
30267         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
30268         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
30269         exist.
30270         (ipcp_grow_transformations_if_necessary): Also allocate
30271         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
30272         exist.
30273         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
30274         them.  Fix too long lines.
30275         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
30276         vr_known being removed.
30277         (ipa_read_jump_function): Use new setter functions to construct bits
30278         and vr parts of jump functions or set them to NULL.
30279         (write_ipcp_transformation_info): Adjust for bits being pointers.
30280         (read_ipcp_transformation_info): Likewise.
30281         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
30282         space.
30283         Include gt-ipa-prop.h.
30284         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
30285         being pointers.
30286         (ipcp_store_bits_results): Likewise.
30287         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
30288         Do not write to existing jump functions but use a temporary instead.
30290 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
30292         PR c++/79681
30293         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
30294         attempt to use its first operand as BIT_FIELD_REF base.
30296 2017-03-01  Richard Biener  <rguenther@suse.de>
30298         PR middle-end/79721
30299         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
30300         interpolating formula in wrapping arithmetic.
30301         (chrec_apply): Convert chrec_evaluate return value to wanted type.
30303 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
30305         PR tree-optimization/79734
30306         * tree-vect-generic.c (expand_vector_condition): Optimize
30307         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
30308         Handle VEC_COND_EXPR where comparison has different inner width from
30309         type's inner width.
30311 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
30313         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
30314         markup, and similar issues.  Remove @opindex entries for things
30315         that aren't options.  Add missing -mmpy-option entries.
30317 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
30319         PR tree-optimization/79737
30320         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
30321         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
30322         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
30323         instead of byte_size.  Formatting fix.
30324         (shift_bytes_in_array_right): Formatting fix.
30326 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
30328         PR target/79749
30329         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
30330         condition on optimize for the leaf function test.
30332 2017-02-28  Martin Liska  <mliska@suse.cz>
30334         PR lto/79625
30335         * read-rtl-function.c (function_reader::handle_unknown_directive):
30336         Bail out when one uses -flto.
30338 2017-02-28  Martin Liska  <mliska@suse.cz>
30340         * common.opt: Replace space with tabular for options of <number>
30341         type.
30342         * config/i386/i386.opt: Show <number> value for
30343         -mlarge-data-threshold.
30344         * opts.c (print_filtered_help): Do not display number in hexadecimal
30345         format.
30347 2017-02-28  Martin Liska  <mliska@suse.cz>
30349         * common.opt: Fix --help=option -Q for options which are of
30350         an enum type.
30352 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
30354         * config/i386/i386.c (print_reg): Error out for values
30355         of 8-bit size in invalid integer register.
30357 2017-02-28  Martin Sebor  <msebor@redhat.com>
30359         PR tree-optimization/79691
30360         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
30362 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
30364         PR target/79729
30365         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
30366         gcc_unreachable with output_operand_lossage.
30368 2017-02-28  Richard Biener  <rguenther@suse.de>
30370         PR tree-optimization/79740
30371         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
30372         inserts.
30373         (visit_nary_op): Insert the nary into the hashtable if we
30374         pattern-matched sth.
30375         * tree-ssa-pre.c (eliminate_insert): Robustify.
30377 2017-02-28  Richard Biener  <rguenther@suse.de>
30379         PR middle-end/79731
30380         * fold-const.c (decode_field_reference): Reject out-of-bound
30381         accesses.
30383 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
30385         * config/i386/i386.c: Include intl.h.
30386         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
30387         instead of just cond ? "..." : "...".
30388         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
30389         * coverage.c (read_counts_file): Likewise.
30390         * omp-offload.c: Include intl.h.
30391         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
30392         of just cond ? "..." : "...".
30393         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
30394         of just cond ? "..." : "...".
30396 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
30398         PR target/79742
30399         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
30400         entry, if present.
30401         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
30402         'tune for' CPU name.
30403         * config/arm/arm-cpu-data.h: Regenerated.
30405 2017-02-28  Richard Biener  <rguenther@suse.de>
30407         PR tree-optimization/79732
30408         * tree-inline.c (expand_call_inline): Do not shadow var.
30410 2017-02-28  Richard Biener  <rguenther@suse.de>
30412         PR tree-optimization/79723
30413         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
30414         address-space properly.
30416 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
30418         * doc/optinfo.texi (Optimization groups): Fix option used for
30419         OPTGROUP_ALL.
30420         * doc/invoke.texi (-fopt-info): Document "omp".
30421         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
30422         (OPTGROUP_ALL): Add OPTGROUP_OMP.
30423         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
30424         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
30425         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
30427         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
30428         all users.
30429         * dumpfile.c (optgroup_options): Instead of "openmp", associate
30430         OPTGROUP_OMP with "omp".
30432 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
30434         PR target/79544
30435         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
30436         for arithmetic shift of unsigned V2DI.
30438 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
30440         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
30441         arc/linux.h headers.
30442         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
30443         (LINK_SPEC): Likewise.
30444         (ARC_TLS_EXTRA_START_SPEC): Likewise.
30445         (EXTRA_SPECS): Likewise.
30446         (STARTFILE_SPEC): Likewise.
30447         (ENDFILE_SPEC): Likewise.
30448         (LIB_SPEC): Likewise.
30449         (TARGET_SDATA_DEFAULT): Likewise.
30450         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
30451         (MULTILIB_DEFAULTS): Likewise.
30452         (DWARF2_UNWIND_INFO): Likewise.
30453         * config/arc/big.h: New file.
30454         * config/arc/elf.h: Likewise.
30455         * config/arc/linux.h: Likewise.
30456         * config/arc/t-uClibc: Remove.
30458 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
30460         PR tree-optimization/77536
30461         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
30462         (tree_transform_and_unroll_loop): Use above function to compute the
30463         estimated niter of unrolled loop and use it when scaling profile.
30464         Also use count info rather than frequency if it's non-zero.
30465         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
30466         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
30467         (vect_transform_loop): Call above function.
30469 2017-02-27  Richard Biener  <rguenther@suse.de>
30471         PR tree-optimization/45397
30472         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
30473         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
30474         (visit_nary_op): Add pattern matching for CSEing sign-changed
30475         or truncated operations with wider ones.
30477 2017-02-27  Richard Biener  <rguenther@suse.de>
30479         PR tree-optimization/79690
30480         * tree-vect-stmts.c (vectorizable_store): Use vector type
30481         built from the DR with address-space.
30483 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
30485         * doc/invoke.texi (Optimize Options): Refine the description
30486         of asan-use-after-return.
30488 2017-02-25  Alan Modra  <amodra@gmail.com>
30490         PR rtl-optimization/79584
30491         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
30492         base, not ad->base_term, the reg within base.  Remove assertion
30493         that ad->base == ad->base_term.  Replace gen_int_mode using
30494         bogus mode with const0_rtx.
30496 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
30498         PR middle-end/79396
30499         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
30500         FMA_EXPR like tcc_binary or tcc_unary.
30502         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
30504         PR debug/77589
30505         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
30506         bitfield.
30507         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
30508         (output_loc_operands): Handle DW_OP_call_ref and
30509         DW_OP_GNU_variable_value.
30510         (struct variable_value_struct): New type.
30511         (struct variable_value_hasher): Likewise.
30512         (variable_value_hash): New variable.
30513         (string_types): Remove.
30514         (copy_loc_descr): New function.
30515         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
30516         (prepend_loc_descr_to_each): New function.
30517         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
30518         instead of add_loc_descr_to_each if the first argument is single
30519         location list and the second has multiple.
30520         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
30521         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
30522         when looking for variable value which doesn't have other location info.
30523         (loc_list_from_tree): Formatting fix.
30524         (gen_array_type_die): Simplify DW_AT_string_length handling.
30525         (adjust_string_types): Remove.
30526         (gen_subprogram_die): Don't call adjust_string_types nor test/set
30527         string_types.  Call resolve_variable_values.
30528         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
30529         (resolve_addr_in_expr): Likewise.  Add A argument.
30530         (copy_deref_exprloc): Remove deref argument.  Adjust for the
30531         original expression being DW_OP_GNU_variable_value with optionally
30532         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
30533         optionally after it.
30534         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
30535         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
30536         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
30537         (variable_value_hasher::hash, variable_value_hasher::equal): New
30538         methods.
30539         (resolve_variable_value_in_expr, resolve_variable_value,
30540         resolve_variable_values, note_variable_value_in_expr,
30541         note_variable_value): New functions.
30542         (dwarf2out_early_finish): Call note_variable_value on all toplevel
30543         DIEs.
30545 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
30547         PR c/79677
30548         * opts.h (handle_generated_option): Add GENERATED_P argument.
30549         * opts-common.c (handle_option): Adjust function comment.
30550         (handle_generated_option): Add GENERATED_P argument, pass it to
30551         handle_option.
30552         (control_warning_option): Pass false to handle_generated_option
30553         GENERATED_P.
30554         * opts.c (maybe_default_option): Pass true to handle_generated_option
30555         GENERATED_P.
30556         * optc-gen.awk: Likewise.
30558 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30560         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
30561         a REG, look at the REG it is a SUBREG of.
30562         (splitter for cmpeqsi_t): Ditto.
30564 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30566         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
30567         the special USEs with the pattern of the insn, not the insn itself.
30569 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
30571         PR target/79473
30572         * doc/invoke.texi: Document -mload-store-pairs.
30574 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30575             Sandra Loosemore  <sandra@codesourcery.com>
30577         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
30578         argument isn't a CONST_INT.
30579         (nios2_alternate_compare_const): Assert op is a CONST_INT.
30580         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
30581         (nios2_validate_compare): Bypass alternate compare logic if *op2
30582         is not a CONST_INT.
30583         (ldstwm_operation_p): Return false if first_base is not a REG or
30584         if first_offset is not a CONST_INT.
30586 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30588         * config/cris/cris.md: Use correct operand in a define_peephole2.
30590 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30592         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
30594 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
30596         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
30597         this_insn if it is an INSN or JUMP_INSN.
30598         (force_offsettable): Look at base, not at addr.
30599         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
30600         on things that aren't necessarily CONST_INTs.
30602 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
30604         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
30605         -mfpmath=sse is the default also for x86-32 targets with SSE2
30606         instruction set when @option{-ffast-math} is enabled
30608 2017-02-24  Jeff Law  <law@redhat.com>
30610         PR rtl-optimizatoin/79286
30611         * ira.c (update_equiv_regs): Drop may_trap_p exception to
30612         dominance test.
30614 2017-02-24  Richard Biener  <rguenther@suse.de>
30616         PR tree-optimization/79389
30617         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
30618         debug insns.
30620 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
30622         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
30623         function comment to reflect reality.
30624         (loop_exits_before_overflow): Fix typo in function description.
30626 2017-02-24  Richard Biener  <rguenther@suse.de>
30628         PR tree-optimization/79389
30629         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
30630         properly that a threading opportunity exists.  Detect conditional
30631         copy/constant propagation opportunities.
30633 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
30635         * config/visium/visium.md (type): Add trap.
30636         (b): New mode attribute.
30637         (*btst): Rename into...
30638         (*btst<mode>): ...this and adjust.
30639         (*cbranchsi4_btst_insn): Rename into...
30640         (*cbranch<mode>4_btst_insn): ...this and adjust.
30641         (trap): New define_insn.
30643 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
30645         PR tree-optimization/79389
30646         * ifcvt.c (struct noce_if_info): Add rev_cond field.
30647         (noce_reversed_cond_code): New function.
30648         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
30649         reversed_comparison_code.  Formatting fix.
30650         (noce_try_store_flag): Test rev_cond != NULL in addition to
30651         reversed_comparison_code.
30652         (noce_try_store_flag_constants): Likewise.
30653         (noce_try_store_flag_mask): Likewise.
30654         (noce_try_addcc): Use rev_cond if non-NULL instead of
30655         reversed_comparison_code.
30656         (noce_try_cmove_arith): Likewise.  Formatting fixes.
30657         (noce_try_minmax, noce_try_abs): Clear rev_cond.
30658         (noce_find_if_block): Initialize rev_cond.
30659         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
30660         instead of false as last argument never attempt to reverse it
30661         afterwards.
30663 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
30665         PR tree-optimization/79663
30666         * tree-predcom.c (combine_chains): Process refs in reverse order
30667         only for ZERO length chains, and add explaining comment.
30669 2017-02-23  Jeff Law  <law@redhat.com>
30671         PR tree-optimization/79578
30672         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
30673         in call to operand_equal_p.
30675 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
30677         PR target/71017
30678         * config/i386/cpuid.h: Fix another undefined behavior.
30680 2017-02-23  Richard Biener  <rguenther@suse.de>
30682         PR tree-optimization/79683
30683         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
30684         vector types for data-refs.
30686 2017-02-23  Martin Liska  <mliska@suse.cz>
30688         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
30690 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
30692         PR middle-end/79665
30693         * internal-fn.c (get_range_pos_neg): Moved to ...
30694         * tree.c (get_range_pos_neg): ... here.  No longer static.
30695         * tree.h (get_range_pos_neg): New prototype.
30696         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
30697         are known to be in between 0 and signed maximum inclusive, try to
30698         expand both unsigned and signed divmod and use the cheaper one from
30699         those.
30701 2017-02-22  Jeff Law  <law@redhat.com>
30703         PR tree-optimization/79578
30704         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
30705         to compare base operands.
30707 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
30709         PR target/79211
30710         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
30711         gpc_reg_operand instead of fpr_reg_operand.
30713 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
30715         * config/mips/mips.c (mips_return_in_memory): Force FP
30716         vector types to be returned in memory for o32 ABI.
30718 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
30720         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
30721         instead of DW_TAG_member for static data member declarations and don't
30722         set no_linkage_name for static inline data members.
30723         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
30724         to DW_TAG_member.
30726 2017-02-22  Martin Liska  <mliska@suse.cz>
30728         * doc/invoke.texi: Replace inequality signs with square brackets
30729         for -Wnormalized.
30731 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
30733         PR target/78660
30734         * lra-constraints.c (simplify_operand_subreg): Handle
30735         WORD_REGISTER_OPERATIONS targets.
30737 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
30739         PR target/70465
30740         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
30741         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
30742         elimination by swapping fld*.
30744 2017-02-22  Richard Biener  <rguenther@suse.de>
30746         PR tree-optimization/79673
30747         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
30748         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
30749         irrelevant address-space qualifiers and avoiding a
30750         ADDR_SPACE_CONVERT_EXPR from fold_convert.
30752 2017-02-22  Richard Biener  <rguenther@suse.de>
30754         PR tree-optimization/79666
30755         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
30756         to not symbolically negate if that may introduce undefined
30757         overflow.
30759 2017-02-22  Martin Liska  <mliska@suse.cz>
30761         PR lto/79587
30762         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
30763         * data-streamer-out.c (streamer_write_gcov_count_stream):
30764         Likewise.
30765         * value-prof.c (stream_out_histogram_value): Make assert more
30766         precise based on type of counter.
30768 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
30770         PR target/79593
30771         * config/i386/i386.md (standard_x87sse_constant_load splitter):
30772         Use nonimmediate_operand instead of memory_operand for operand 1.
30773         (float-extend standard_x87sse_constant_load splitter): Ditto.
30775 2017-02-21  Jeff Law  <law@redhat.com>
30777         PR tree-optimization/79621
30778         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
30779         blocks with edges to themselves.
30781 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
30783         PR target/79633
30784         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
30785         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
30786         Use gimple_call_builtin_p.
30788         PR target/79570
30789         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
30790         on temporarily removed DEBUG_INSNs.
30792         PR tree-optimization/79649
30793         * tree-loop-distribution.c (classify_partition): Give up on
30794         non-generic address space loads/stores.
30796 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
30798         * doc/loop.texi (Loop manipulation): Remove nonexistent
30799         tree_ssa_loop_version from the documentation.
30800         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
30802 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
30804         PR target/79494
30805         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
30806         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
30807         * config/rs6000/rs6000.c: Include except.h.
30808         (rs6000_expand_split_stack_prologue): Call
30809         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
30811 2017-02-21  Martin Jambor  <mjambor@suse.cz>
30813         PR lto/79579
30814         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
30815         have been analyzed.
30817 2017-02-21  Martin Jambor  <mjambor@suse.cz>
30819         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
30820         for backward compatibility only.
30821         * doc/invoke.texi (Option Summary): Remove all references to
30822         -fipa-cp-alignment.
30824 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
30826         PR target/78660
30827         Revert:
30828         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
30830         * lra-constraints.c (curr_insn_transform): Handle
30831         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
30833 2017-02-21  Martin Liska  <mliska@suse.cz>
30835         * config/i386/i386.opt: Replace -masm-dialect with -masm.
30837 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
30839         PR translation/79638
30840         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
30842 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
30844         PR ada/67205
30845         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
30846         (arm_function_ok_for_sibcall): Return false for an indirect call by
30847         descriptor if all the argument registers are used.
30848         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
30849         alignment of the function.
30851 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
30853         PR tree-optimization/61441
30854         * simplify-rtx.c (simplify_const_unary_operation): For
30855         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
30856         the sNaN unmodified.
30858 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
30860         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
30861         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
30862         instead of SYSTEM_HEADER_DIR.
30864 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
30865             Martin LiÅ¡ka  <mliska@suse.cz>
30867         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
30868         Fix typos and grammar, use active voice, and clarify.
30870 2017-02-20  Marek Polacek  <polacek@redhat.com>
30872         PR middle-end/79537
30873         * gimplify.c (gimplify_expr): Handle unused *&&L;.
30875         PR sanitizer/79558
30876         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
30878 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
30880         PR target/79568
30881         * config/i386/i386.c (ix86_expand_builtin): Handle
30882         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
30883         ix86_builtins_isa[fcode].isa as a requirement of those
30884         flags and any other flag in the bitmask.
30885         (ix86_init_mmx_sse_builtins): Use 0 instead of
30886         ~OPTION_MASK_ISA_64BIT as mask.
30887         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
30888         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
30889         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
30890         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
30892 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
30894         PR target/78012
30895         * lra-constraints.c (split_reg): Check requested split mode
30896         is supported by the register.
30898 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
30900         * lra-constraints.c (simplify_operand_subreg): Remove early
30901         return false.
30903 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
30905         PR target/78660
30906         * lra-constraints.c (curr_insn_transform): Tighten condition
30907         for converting SUBREG reloads from OP_OUT to OP_INOUT.
30909 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
30911         PR target/78660
30912         * lra-constraints.c (curr_insn_transform): Handle
30913         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
30915 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
30917         Revert:
30918         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
30920         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
30922 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
30924         PR c++/69523
30925         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
30926         description.
30928 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
30930         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
30931         for FMA_EXPR.
30933 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
30935         * final.c (last_columnnum, override_columnnum): New variables.
30936         (final_start_function): Set last_columnnum, pass it to begin_prologue
30937         hook and pass 0 to dwarf2out_begin_prologue.
30938         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
30939         to source_line debug hook.
30940         (notice_source_line): Compute last_columnnum and for debug_column_info
30941         return true on column changes.
30942         * debug.h (struct gcc_debug_hooks): Add column argument to
30943         source_line and begin_prologue hooks.
30944         (debug_nothing_int_charstar_int_bool): Remove prototype.
30945         (debug_nothing_int_int_charstar,
30946         debug_nothing_int_int_charstar_int_bool): New prototypes.
30947         (dwarf2out_begin_prologue): Add column argument.
30948         * debug.c (do_nothing_debug_hooks): Adjust source_line and
30949         begin_prologue hooks.
30950         (debug_nothing_int_charstar_int_bool): Remove.
30951         (debug_nothing_int_int_charstar,
30952         debug_nothing_int_int_charstar_int_bool): New functions.
30953         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
30954         through to dwarf2out_source_line.
30955         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
30956         (dwarf2out_source_line): Add column argument, emit it if requested.
30957         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
30958         arguments.
30959         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
30960         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
30961         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
30962         through to dwarf2out_begin_prologue.
30963         (vmsdbgout_source_line): Add column argument, pass it through to
30964         dwarf2out_source_line.
30965         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
30966         dbxout_source_line caller.
30967         (dbxout_source_line): Add column argument.
30969         * common.opt (gno-column-info, gcolumn-info): New options.
30970         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
30971         (check_die): Also test for multiple DW_AT_decl_column attributes.
30972         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
30973         DW_AT_decl_column if requested.
30974         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
30975         if requested.
30976         (gen_variable_die): Likewise.
30977         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
30978         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
30980         PR target/79569
30981         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
30982         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
30983         (ix86_handle_option): Handle OPT_m3dnowa.
30984         * doc/invoke.texi (-m3dnowa): Document.
30985         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
30986         -m3dnowa instead of -m3dnow -march=athlon.
30988         PR target/79559
30989         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
30990         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
30992 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
30994         PR target/79261
30995         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
30996         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
30997         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
30998         generator for vsx_xxpermdi_<mode>_be.
30999         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
31000         force big-endian semantics.
31001         (vsx_xxpermdi_<mode>_be): New define_expand with same
31002         implementation as previous version of vsx_xxpermdi_<mode>.
31004 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
31006         PR tree-optimization/79327
31007         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
31008         variable, its initialization and use.
31010 2017-02-17  Julia Koval  <julia.koval@intel.com>
31012         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
31013         (OPTION_MASK_ISA_PKU_UNSET): New.
31014         (ix86_handle_option): Handle -mrdpid.
31015         * config/i386/cpuid.h (bit_RDPID): New.
31016         * config/i386/driver-i386.c (host_detect_local_cpu):
31017         Detect RDPID feature.
31018         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
31019         * config/i386/i386-c.c (ix86_target_macros_internal):
31020         Handle RDPID flag.
31021         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
31022         (ix86_valid_target_attribute_inner_p): Add "rdpid".
31023         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
31024         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
31025         * config/i386/i386.md (define_insn "rdpid"): New.
31026         * config/i386/i386.opt Add -mrdpid.
31027         * config/i386/immintrin.h (_rdpid_u32): New.
31029 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
31031         PR rtl-optimization/79541
31032         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
31033         instead of transforming it into USE.
31035 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
31037         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
31038         If HONOR_SNANS (SFmode) force the input to a register.
31039         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
31040         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
31041         an frsp or similar insn.
31043 2017-02-17  Martin Liska  <mliska@suse.cz>
31045         PR rtl-optimization/79577
31046         * params.def (selsched-max-sched-times): Increase minimum to 1.
31048 2017-02-17  Martin Liska  <mliska@suse.cz>
31050         PR rtl-optimization/79574
31051         * gcse.c (want_to_gcse_p): Prevent integer overflow.
31053 2017-02-17  Martin Liska  <mliska@suse.cz>
31055         PR tree-optimization/79529
31056         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
31057         ssa_defined_default_def_p to handle cases which are implicitly
31058         defined.
31059         * tree-ssa.c (ssa_defined_default_def_p): New function.
31060         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
31061         which are implicitly defined.
31062         * tree-ssa.h (ssa_defined_default_def_p): Declare.
31064 2017-02-17  Richard Biener  <rguenther@suse.de>
31066         PR middle-end/79576
31067         * params.def (max-ssa-name-query-depth): Limit to 10.
31069 2017-02-17  Richard Biener  <rguenther@suse.de>
31071         PR tree-optimization/79552
31072         * tree-ssa-structalias.c (visit_loadstore): Properly verify
31073         default defs.
31075 2017-02-17  Richard Biener  <rguenther@suse.de>
31077         PR bootstrap/79567
31078         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
31080 2017-02-17  Marek Polacek  <polacek@redhat.com>
31082         PR middle-end/79536
31083         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
31084         (fold_negate_expr): New wrapper.
31086 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
31088         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
31089         Correct terminology and de-emphasize pre-standard behavior.
31091 2017-02-16  Alan Modra  <amodra@gmail.com>
31093         PR rtl-optimization/79286
31094         * ira.c (def_dominates_uses): New function.
31095         (update_equiv_regs): Don't create an equivalence for insns that
31096         may trap where the register def does not dominate the use.
31098 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
31100         PR rtl-optimization/78127
31101         * lra.c (lra): Call lra_eliminate before finish the loop after
31102         lra_constraint.
31104 2017-02-16  Richard Biener  <rguenther@suse.de>
31106         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
31107         isl/isl_val.h.
31108         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
31109         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
31110         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
31111         (isl_val_int_from_wi): New function.
31112         (extract_affine_gmp): Rename to ...
31113         (extract_affine_wi): ... this, take a widest_int.
31114         (extract_affine_int): Just wrap extract_affine_wi.
31115         (add_param_constraints): Use isl_val_int_from_wi.
31116         (add_loop_constraints): Likewise, and extract_affine_wi.
31118 2017-02-15  Jeff Law  <law@redhat.com>
31120         PR middle-end/79521
31121         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
31122         ira_init_register_move_cost_if_necessary.
31124 2017-02-15  Martin Sebor  <msebor@redhat.com>
31126         PR middle-end/32003
31127         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
31128         removed in a prior commit.
31130 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
31132         PR tree-optimization/79347
31133         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
31134         counters during peeling.
31136 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
31138         * Makefile.in (site.exp): Remove "set ISLVER".
31140 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
31142         PR target/79487
31143         * real.c (real_from_integer): Call real_convert even for decimal.
31145 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
31147         PR target/79421
31148         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
31150 2017-02-14  Andrew Pinski  <apinski@cavium.com>
31152         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
31153         cores and change the partno/implementer to be correct.
31154         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
31155         the 'B" as the implementer.
31156         * config/aarch64/aarch64-tune.md: Regenerate.
31158 2017-02-14  Carl Love  <cel@us.ibm.com>
31160         * config/rs6000/rs6000.c: Add case statement entry to make the
31161         xvcvuxdsp built-in argument unsigned.
31162         * config/rs6000/vsx.md: Fix the source and return operand types so they
31163         match the instruction definitions from the ISA document.  Fix typo
31164         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
31165         statement.
31167 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
31169         PR target/79282
31170         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
31171         member early_clobber_alts.
31172         * lra-lives.c (reg_early_clobber_p): New.
31173         (process_bb_lives): Use it.
31174         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
31175         (debug_operand_data): Initialize early_clobber_alts.
31176         (setup_operand_alternative): Set up early_clobber_alts.
31177         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
31178         alternatives to new_insn_reg.
31179         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
31180         it.
31181         (lra_update_insn_regno_info): Pass the new arg.
31183 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
31185         PR middle-end/79505
31186         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
31187         (new_oacc_loop_raw): Don't clear already cleared fields.
31189         PR target/79481
31190         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
31191         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
31192         _mm512_prefetch_i64gather_ps): New inline functions and macros.
31194 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
31196         PR target/79495
31197         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
31199 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
31201         PR target/79498
31202         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
31203         the extra instruction to the right place to store 128-bit constant
31204         when needed.
31206 2017-02-14  Martin Sebor  <msebor@redhat.com>
31208         PR middle-end/79448
31209         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
31210           warning for strings of unknown length.
31212 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
31214         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
31216 2017-02-14  Jeff Law  <law@redhat.com>
31218         PR target/79404
31219         * ira-costs.c (scan_one_insn): Initialize register move costs
31220         for pseudos seen in USE/CLOBBER insns.
31222         PR tree-optimization/79095
31223         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
31224         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
31225         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
31226         if the operands are known to be not equal, then the resulting range
31227         is ~[0,0].
31228         (intersect_ranges): If the new range is ~[0,0] and the old range is
31229         wide, then prefer ~[0,0].
31230         * tree-vrp.c (overflow_comparison_p_1): New function.
31231         (overflow_comparison_p): New function.
31232         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
31233         if NAME is used in an overflow test.
31234         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
31235         overflow check that can be expressed as an equality test, then adjust
31236         ops to be that equality test.
31238 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31240         * config/s390/s390-builtin-types.def: Remove flags argument.
31241         * config/s390/s390.c (s390_init_builtins): Likewise.
31243 2017-02-14  Martin Liska  <mliska@suse.cz>
31245         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
31246         vector.  Fix trailing white spaces.
31248 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
31250         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
31251         HFmode.
31253 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31255         PR rtl-optimization/68664
31256         * config/arm/arm.c (arm_sched_can_speculate_insn):
31257         New function.  Declare prototype.
31258         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
31260 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31262         PR rtl-optimization/68664
31263         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
31264         New function.
31265         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
31267 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
31269         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
31270         max skip bytes for function, loop and jump.
31272 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
31274         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
31275         ABS_EXPR for gimple dump.
31277 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
31279         PR target/79462
31280         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
31282         PR tree-optimization/79408
31283         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
31284         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
31285         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
31286         also if rhs1 is INTEGER_CST.
31288 2017-02-14  Richard Biener  <rguenther@suse.de>
31290         PR middle-end/79432
31291         * tree-into-ssa.c (insert_phi_nodes): When the function can
31292         have abnormal edges rewrite SSA names with broken use-def
31293         dominance out of SSA and register them for PHI insertion.
31295 2017-02-13  Martin Sebor  <msebor@redhat.com>
31297         PR middle-end/79496
31298         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
31299         clearing info.nowrite flag when snprintf size argument is a range.
31301 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
31303         * cprop.c (cprop_jump): Add missing space in string literal.
31304         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
31305         (get_constraint_for_component_ref): Likewise.
31306         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
31307         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
31308         * lra-constraints.c (process_alt_operands): Likewise.
31309         * ipa-inline.c (inline_small_functions): Likewise.
31310         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
31311         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
31312         * trans-mem.c (diagnose_tm_1_op): Likewise.
31313         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
31314         (grid_parallel_clauses_gridifiable): Likewise.
31316         * config/nvptx/mkoffload.c (process): Add space in between
31317         , and %d.
31319         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
31320         "MOD4_SSE_REGS" and "ALL_REGS".
31322         * spellcheck.c (test_data): Add , in between "foo" and "food".
31324 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
31326         PR target/79449
31327         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
31328         boundary crossing check and subsequent code generation agree.
31330 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31332         * config/aarch64/aarch64.c (has_memory_op): Delete.
31333         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
31334         has_memory_op.
31336 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
31338         PR rtl-optimization/79388
31339         PR rtl-optimization/79450
31340         * combine.c (distribute_notes): When removing TEM_INSN for which
31341         corresponding dest has last value recorded, invalidate that last
31342         value.
31344 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31346         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
31347         of explicit '@'.  Add missing assembly comment marker on branch costs
31348         printout.
31350 2017-02-13  Nathan Sidwell  <nathan@acm.org>
31352         * gengtype-lex.l (<in_struct>): Add '/'.
31354 2017-02-13  Martin Liska  <mliska@suse.cz>
31356         PR c/79471
31357         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
31359 2017-02-13  Richard Biener  <rguenther@suse.de>
31361         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
31362         Remove.
31363         * configure: Re-generate.
31364         * config.in: Likewise.
31365         * graphite-dependences.c: Simplify as if
31366         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
31367         * graphite-isl-ast-to-gimple.c: Likewise.
31368         * graphite-optimize-isl.c: Likewise.
31369         * graphite-poly.c: Likewise.
31370         * graphite-sese-to-poly.c: Likewise.
31371         * graphite.h: Likewise.
31372         * toplev.c: Include isl/version.h and use isl_version () for
31373         printing the ISL version.
31374         * doc/install.texi: Update ISL requirement.
31376 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
31378         * doc/standards.texi (Standards): Update reference to
31379         Objective-C 2.0.
31381 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
31383         * doc/extend.texi (Named Address Spaces): sourceware.org now
31384         defaults to https.
31385         * doc/install.texi (Binaries): Ditto.
31386         (Specific): Ditto.
31388 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
31390         * doc/cpp.texi: Replace "stringify"/"stringification" with C
31391         standard terminology "stringize"/"stringizing" throughout.
31392         * doc/cppinternals.texi: Likewise.
31394 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
31396         * doc/extend.texi: Fix some spelling mistakes and typos.
31397         * doc/invoke.texi: Likewise.
31399 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
31401         PR ipa/79224
31402         * params.def (inline-min-speedup) Change from 10 to 8.
31404 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
31406         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
31407         4.5.
31409 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
31411         PR ipa/79224
31412         * ipa-inline-analysis.c (get_minimal_bb): New function.
31413         (record_modified): Use it.
31414         (remap_edge_change_prob): Handle also ancestor functions.
31416 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
31418         * doc/contrib.texi (Contributors): Remove broken link into
31419         the Mauve CVS repository.
31421 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
31423         PR middle-end/79454
31424         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
31425         result computation whenever lhs doesn't have vector mode, not
31426         just when it has BLKmode.
31428 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
31430         * doc/makefile.texi (profiledbootstrap): Refer to the
31431         installation instructions only in textual form.
31433 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
31435         PR target/79295
31436         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
31438 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
31440         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
31441         (Specific): Update mingw-w64 reference.
31442         (Binaries): Ditto.
31443         (Specific): Remove broken link to Renesas RX processor.
31445 2017-02-10  Richard Biener  <rguenther@suse.de>
31447         * toplev.c (process_options): Do not mention obsolete graphite
31448         options when printing sorry message about missing graphite support.
31449         Mention -floop-nest-optimize.
31451 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
31453         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
31454         (vtst_p16): Likewise.
31455         (vtstq_p8): Likewise.
31456         (vtstq_p16): Likewise.
31457         (vtst_p64): New.
31458         (vtstq_p64): Likewise.
31459         * config/arm/arm_neon.h (vgetq_lane_p64): New.
31460         (vset_lane_p64): New.
31461         (vsetq_lane_p64): New.
31463 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
31465         PR tree-optimization/79411
31466         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
31467         stmt operands are SSA_NAMEs used in abnormal phis.
31468         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
31469         phis.
31471 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
31473         PR ipa/70795
31474         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
31475         flag if needed.
31477 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
31479         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
31481 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
31483         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
31484         to avoid warning.
31486         PR c/79413
31487         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
31488         not arbitrary TREE_CONSTANT.
31490         PR c/79431
31491         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
31492         "omp declare target link" attribute unless is_global_var.
31493         * omp-offload.c (find_link_var_op): Likewise.
31495 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
31496             Chung-Lin Tang  <cltang@codesourcery.com>
31498         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
31499         OMP_CLAUSE_TILE.
31500         (gimplify_adjust_omp_clauses): Don't delete TILE.
31501         (gimplify_omp_for): Deal with TILE.
31502         * internal-fn.c (expand_GOACC_TILE): New function.
31503         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
31504         (GOACC_TILE): New.
31505         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
31506         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
31507         element fields.
31508         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
31509         avoid DIV for outermost collapse var.
31510         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
31511         Remove out of date comments, fix whitespace.
31512         * omp-general.c (omp_extract_for_data): Deal with tiling.
31513         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
31514         adjust OLF_DIM_BASE value.
31515         (struct omp_for_data): Add tiling field.
31516         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
31517         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
31518         for auto loops.  Remove default auto determining, moved to
31519         oacc_loop_fixed_partitions.
31520         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
31521         stmts, add e_mask field.
31522         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
31523         (oacc_thread_numbers): Use oacc_dim_call.
31524         (oacc_xform_tile): New.
31525         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
31526         (finish_oacc_loop): Adjust for ifns vector.
31527         (oacc_loop_discover_walk): Append loop abstraction sites to list,
31528         add case for GOACC_TILE fns.
31529         (oacc_loop_xform_loop): Delete.
31530         (oacc_loop_process): Iterate over call list directly, and add
31531         handling for GOACC_TILE fns.
31532         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
31533         dump partitioning.
31534         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
31535         vector partitioning to outer loops.  Assign 2 partitions to loops
31536         when available. Add TILE handling.
31537         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
31538         (execite_oacc_device_lower): Process GOACC_TILE fns,
31539         ignore unknown specs.
31540         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
31541         * tree.c (omp_clause_num_ops): Adjust TILE ops.
31542         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
31544 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
31546         * configure.ac (ACX_BUGURL): Update.
31547         * configure: Regenerate.
31549 2017-02-09  Richard Biener  <rguenther@suse.de>
31551         PR tree-optimization/69823
31552         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
31553         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
31555 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
31557         * config/arc/arc-c.def: Add __NPS400__ definition.
31558         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
31559         (TARGET_NPS400): Define.
31561 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
31563         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
31564         file.
31565         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
31566         pointer, arch_info.
31567         (arc_cpu_types): Fill the arch_info field with a pointer into the
31568         arc_arch_types table.
31569         (arc_selected_cpu): Declare.
31570         * config/arc/arc.c (arc_selected_cpu): Make global.
31571         (arc_selected_arch): Delete.
31572         (arc_base_cpu): Delete.
31573         (arc_override_options): Remove references to deleted variables,
31574         update access to arch information.
31575         (ARC_OPT): Update access to arch information.
31576         (ARC_OPTX): Likewise.
31577         * config/arc/arc.h (arc_base_cpu): Remove declaration.
31578         (TARGET_ARC600): Update access to arch information.
31579         (TARGET_ARC601): Likewise.
31580         (TARGET_ARC700): Likewise.
31581         (TARGET_EM): Likewise.
31582         (TARGET_HS): Likewise.
31583         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
31584         information.
31586 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
31588         PR target/78604
31589         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
31590         condition/operands for integer GE/LE/GEU/LEU operations.
31592 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
31594         PR translation/79397
31595         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
31596         of AltiVec.
31598 2017-02-08  Martin Jambor  <mjambor@suse.cz>
31600         PR ipa/79375
31601         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
31602         whether allocation happened.
31603         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
31604         nothing was allocated.
31606 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
31608         PR tree-optimization/79408
31609         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
31610         constant, but SSA_NAME with a known integer range, use the minimum
31611         of that range instead of op1 to determine if modulo can be replaced
31612         with its first operand.
31614 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31616         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
31618 2017-02-08  Richard Biener  <rguenther@suse.de>
31620         PR tree-optimization/71824
31621         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
31622         Check all loops contained in the merged region.
31624 2017-02-07  Andrew Pinski  <apinski@cavium.com>
31626         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
31628 2017-02-07  Andrew Pinski  <apinski@cavium.com>
31630         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
31631         (thunderxt88): Likewise.
31632         (thunderxt81): Disable LSE and change v8.1 to v8.
31633         (thunderxt83): Likewise.
31635 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
31636             Richard Biener  <rguenther@suse.de>
31638         PR middle-end/79399
31639         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
31640         type from int to size_t.
31641         * ira-costs.c (struct_costs_size): Change type from int to size_t.
31643 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
31645         PR rtl-optimization/79386
31646         * cprop.c (bypass_conditional_jumps): Initialize
31647         bypass_last_basic_block already before splitting bbs after
31648         unconditional traps...
31649         (bypass_conditional_jumps): ... rather than here.
31651         PR target/79299
31652         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
31653         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
31654         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
31655         fix -masm=intel patterns.
31657 2017-02-07  Richard Biener  <rguenther@suse.de>
31659         PR tree-optimization/79256
31660         PR middle-end/79278
31661         * builtins.c (get_object_alignment_2): Use min_align_of_type
31662         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
31663         and ADJUST_FIELD_ALIGN.
31665         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
31666         type parameter.
31667         * doc/tm.texi: Regenerate.
31668         * stor-layout.c (layout_decl): Adjust.
31669         (update_alignment_for_field): Likewise.
31670         (place_field): Likewise.
31671         (min_align_of_type): Likewise.
31672         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
31673         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
31674         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
31675         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
31676         * config/frv/frv.c (frv_adjust_field_align): Likewise.
31677         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
31678         * config/i386/i386.c (x86_field_alignment): Likewise.
31679         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
31680         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
31681         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
31682         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
31683         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
31684         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
31685          Likewise.
31687         Revert
31688         2017-01-30  Richard Biener  <rguenther@suse.de>
31690         PR tree-optimization/79256
31691         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
31692         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
31693         alignment on TYPE.
31695 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
31697         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
31698         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
31699         builtins to SImode and emit a zero-extend, if necessary.
31701 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
31703         * docs/invoke.texi (RISC-V Options): Alphabetize.
31705 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
31707         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
31708         options.
31710 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
31712         * config/riscv/riscv.c: New file.
31713         * common/config/riscv/riscv-common.c: Likewise.
31714         * config.gcc: Likewise.
31715         * config/riscv/constraints.md: Likewise.
31716         * config/riscv/elf.h: Likewise.
31717         * config/riscv/generic.md: Likewise.
31718         * config/riscv/linux.h: Likewise.
31719         * config/riscv/multilib-generator: Likewise.
31720         * config/riscv/peephole.md: Likewise.
31721         * config/riscv/pic.md: Likewise.
31722         * config/riscv/predicates.md: Likewise.
31723         * config/riscv/riscv-builtins.c: Likewise.
31724         * config/riscv/riscv-c.c: Likewise.
31725         * config/riscv/riscv-ftypes.def: Likewise.
31726         * config/riscv/riscv-modes.def: Likewise.
31727         * config/riscv/riscv-opts.h: Likewise.
31728         * config/riscv/riscv-protos.h: Likewise.
31729         * config/riscv/riscv.h: Likewise.
31730         * config/riscv/riscv.md: Likewise.
31731         * config/riscv/riscv.opt: Likewise.
31732         * config/riscv/sync.md: Likewise.
31733         * config/riscv/t-elf-multilib: Likewise.
31734         * config/riscv/t-linux: Likewise.
31735         * config/riscv/t-linux-multilib: Likewise.
31736         * config/riscv/t-riscv: Likewise.
31737         * configure.ac: Likewise.
31738         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
31739         Waterman as RISC-V maintainers.
31740         * doc/install.texi: Add RISC-V entries.
31741         * doc/invoke.texi: Add RISC-V options section.
31742         * doc/md.texi: Add RISC-V constraints section.
31743         * configure: Regenerated.
31745 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
31747         PR target/66144
31748         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
31749         false values to be constant vectors with all 0 or all 1 bits set.
31750         (vcondu<mode><mode>): Likewise.
31751         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
31752         predicate.
31753         (fpmask_comparison_operator): Update comment.
31754         (vecint_comparison_operator): New predicate.
31755         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
31756         vector conditionals when the true and false values are constant
31757         vectors with all 0 bits or all 1 bits set.
31759 2017-02-06  Martin Sebor  <msebor@redhat.com>
31761         PR  tree-optimization/79376
31762         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
31764 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
31766         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
31767         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
31768         to simplify split condition.
31770 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
31772         * omp-expand.c (oxpand_omp_atomic_fetch_op,
31773         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
31774         false.
31776 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
31778         PR rtl-optimization/68664
31779         * target.def (can_speculate_insn): New hook.
31780         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
31781         * doc/tm.texi: Regenerate.
31782         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
31783         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
31784         (rs6000_sched_can_speculate_insn): New function.
31786 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
31788         PR tree-optimization/79284
31789         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
31790         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
31791         vectorizable_mask_load_store, vectorizable_operation,
31792         vect_is_simple_cond, get_same_sized_vectype): Use it instead
31793         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
31794         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
31795         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
31796         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
31797         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
31798         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
31799         is_gimple_assign (stmt).  Replace another such test with
31800         is_gimple_assign (stmt).
31802 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
31804         PR target/78883
31805         * config/avr/avr.c (rtl-iter.h): Include it.
31806         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
31807         (avr_legitimate_combined_insn): ...and implementation.
31809 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
31811         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
31812         * config/s390/s390.c (s390_const_operand_ok)
31813         (s390_canonicalize_comparison, s390_extract_part)
31814         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
31815         (s390_contiguous_bitmask_p, s390_rtx_costs)
31816         (legitimize_pic_address): Likewise.
31817         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
31818         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
31819         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
31820         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
31821         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
31823 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
31825         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
31826         REGNO($0) == REGNO($1).
31828 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31830         * config/s390/linux.h(SIZE_TYPE): Add comment.
31832 2017-02-06  Julian Brown  <julian@codesourcery.com>
31833             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
31834             Virendra Pathak  <virendra.pathak@broadcom.com>
31836         * config/aarch64/aarch64-cores.def: Change the scheduler
31837         to Thunderx2t99.
31838         * config/aarch64/aarch64.md: Include thunderx2t99.md.
31839         * config/aarch64/thunderx2t99.md: New file.
31841 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
31843         * doc/standards.texi (Go Language): Update link to language
31844         standard.
31846 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
31848         * tree-eh.c (lower_resx): Sanitize profile.
31849         (cleanup_empty_eh_move_lp): Likewise.
31851 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
31853         PR tree-ssa/79347
31854         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
31855         ELSE_PROB.
31856         * cfgloopmanip.h (loop_version): Update prototype.
31857         * modulo-sched.c (sms_schedule): Update call of loop_version.
31858         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
31859         * tree-parloops.c (gen_parallel_loop): Likewise.
31860         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
31861         * tree-ssa-loop-split.c (split_loop): Likewise.
31862         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
31863         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
31865 2017-02-05  Martin Liska  <mliska@suse.cz>
31867         PR bootstrap/78985
31868         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
31869         variable to NULL.
31870         (print_operand_address): Initialize a struct to zero.
31872 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
31874         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
31875         garbage collector only in textual form.
31877 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
31879         * doc/extend.texi (x86 specific memory model extensions for
31880         transactional memory): Simplify a phrase.
31882 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
31884         PR target/79353
31885         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
31886         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
31887         (atomic_storedi_1): Likewise.
31889 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
31891         PR tree-optimization/79338
31892         * tree-parloops.c (gather_scalar_reductions): Don't call
31893         vect_analyze_loop_form for loop->inner before destroying loop's
31894         loop_vinfo.
31896 2017-02-03  Martin Sebor  <msebor@redhat.com>
31898         PR tree-optimization/79327
31899         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
31900         when precision has resulted in leading zeros.
31901         (format_integer): Adjust the likely counter to assume an unknown
31902         argument that may be zero is non-zero.
31904 2017-02-03  Jason Merrill  <jason@redhat.com>
31906         PR c++/78689
31907         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
31908         avoid copying non-taken branch.
31910 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
31912         PR tree-optimization/79340
31913         * tree-vect-loop.c (vectorizable_reduction): Release
31914         vec_defs elements after safe_splicing them into other vectors.
31915         Formatting fixes.
31917         PR tree-optimization/79327
31918         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
31919         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
31920         dirtype.
31921         (format_integer): Use wide_int_to_tree instead of build_int_cst
31922         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
31923         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
31924         of shortest and longest sequence.
31926 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
31928         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
31929         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
31931 2017-02-03  Walter Lee  <walt@tilera.com>
31933         PR target/78862
31934         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
31935         after initial stackframe link reg save.
31936         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
31938 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
31940         PR target/79354
31941         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
31942         wu for stxssp alternative.
31944 2017-02-03  Martin Sebor  <msebor@redhat.com>
31946         PR tree-optimization/79352
31947         * gimple-fold.c (get_range_strlen): Add argument.
31948         (get_range_strlen): Change return type to bool.
31949         (get_maxval_strlen): Pass in a dummy argument.
31950         * gimple-fold.h (get_range_strlen): Change return type to bool.
31951         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
31952         * tree.h (array_at_struct_end_p): Add argument.
31953         * tree.c (array_at_struct_end_p): Handle it.
31955 2017-02-03  Martin Liska  <mliska@suse.cz>
31957         PR lto/66295
31958         * multiple_target.c (create_dispatcher_calls): Redirect edge
31959         from a caller of a dispatcher.
31960         (expand_target_clones): Make the clones local.
31961         (ipa_target_clone): Do both target clones and resolvers.
31962         (ipa_dispatcher_calls): Remove the pass.
31963         (pass_dispatcher_calls::gate): Likewise.
31964         (make_pass_dispatcher_calls): Likewise.
31965         * passes.def (pass_target_clone): Put as very first IPA early
31966         pass.
31968 2017-02-03  Martin Liska  <mliska@suse.cz>
31970         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
31971         in case of a function with ifunc attribute.
31973 2017-02-03  Martin Liska  <mliska@suse.cz>
31975         * cgraph.c (cgraph_node::dump): Dump function version info.
31976         * symtab.c (symtab_node::dump_base): Add missing new line.
31978 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
31980         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
31981         (ifcombine_ifandif): Use it.
31983 2017-02-03  Martin Liska  <mliska@suse.cz>
31985         * doc/invoke.texi: Document default value for
31986         use-after-scope-direct-emission-threshold.
31988 2017-02-03  Martin Liska  <mliska@suse.cz>
31990         PR tree-optimization/79339
31991         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
31992         (format_floating): Likewise.
31994 2017-02-03  Martin Liska  <mliska@suse.cz>
31996         PR ipa/79337
31997         * ipa-prop.c (ipa_node_params_t::insert): Remove current
31998         implementation.
31999         (ipa_node_params_t::remove): Likewise.
32000         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
32001         initialization from removed ipa_node_params_t::insert.
32002         (ipa_node_params::~ipa_node_params): Move from removed
32003         ipa_node_params_t::release.
32004         * symbol-summary.h (symbol_summary::m_released): New member.
32005         Do not release a summary twice.  Do not allow to call finalizer
32006         for types of a summary that live in GGC memory.
32008 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
32010         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
32011         cmp_branch fusion.
32013 2017-02-02  Martin Sebor  <msebor@redhat.com>
32015         PR middle-end/79275
32016         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
32017         (format_string): Tighten up the range of output for non-constant
32018         strings and correct the expected range for wide non-constant strings.
32020 2017-02-02  Martin Sebor  <msebor@redhat.com>
32022         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
32024         PR middle-end/32003
32025         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
32026         index.
32027         (-fdump-tree-@var): Add to index and document how to come up
32028         with pass-specific option and dump file names.
32029         (-fdump-passes): Clarify where to look for output.
32031 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
32033         PR middle-end/77445
32034         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
32035         statistics of the analyzed path; allow threading for speed when
32036         any of BBs along the path are optimized for speed.
32038 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
32040         PR middle-end/78468
32041         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
32042         settings of the virtual registers.
32044         Revert again
32045         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
32047         * explow.c (get_dynamic_stack_size): Take known alignment of stack
32048         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
32049         needed.
32051 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32053         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
32054         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
32056 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32058         * config/s390/s390.md: Add missing comments with the expanded
32059         mnemonics.
32060         * config/s390/vector.md: Likewise.
32061         * config/s390/vx-builtins.md: Likewise.
32063 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
32065         PR target/79197
32066         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
32067         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
32068         conditions on a single line.
32070 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32072         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
32073         __S390_VX__ to __VX__.
32075 2017-02-01  Andrew Pinski  <apinski@cavium.com>
32077         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
32078         stmt_info to record_stmt_cost.
32079         (vect_get_known_peeling_cost): Pass stmt_info if known to
32080         record_stmt_cost.
32081         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
32082         cpu_vector_cost field into
32083         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
32084         field into vec_int_stmt_cost and vec_fp_stmt_cost.
32085         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
32086         splitting of scalar_stmt_cost and vec_stmt_cost.
32087         (thunderx_vector_cost): Likewise.
32088         (cortexa57_vector_cost): LIkewise.
32089         (exynosm1_vector_cost): Likewise.
32090         (xgene1_vector_cost): Likewise.
32091         (thunderx2t99_vector_cost): Improve after the splitting of the two
32092         fields.
32093         (aarch64_builtin_vectorization_cost): Update for the splitting of
32094         scalar_stmt_cost and vec_stmt_cost.
32096 2017-02-01  Torvald Riegel  <triegel@redhat.com>
32097             Richard Henderson  <rth@redhat.com>
32099         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
32100         conditional on existance of a fast atomic load.
32101         * optabs-query.c (can_atomic_load_p): New function.
32102         * optabs-query.h (can_atomic_load_p): Declare it.
32103         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
32104         no fast atomic load is available for the particular size of access.
32105         (expand_atomic_compare_and_swap): Likewise.
32106         (expand_atomic_load): Likewise.
32107         (expand_atomic_store): Likewise.
32108         (expand_atomic_fetch_op): Likewise.
32109         * testsuite/lib/target-supports.exp
32110         (check_effective_target_sync_int_128): Remove x86 because it provides
32111         no fast atomic load.
32112         (check_effective_target_sync_int_128_runtime): Likewise.
32114 2017-02-01  Richard Biener  <rguenther@suse.de>
32116         * graphite.c: Include tree-vectorizer.h for find_loop_location.
32117         (graphite_transform_loops): Provide opt-info for optimized nests.
32118         * tree-parloop.c (parallelize_loops): Provide opt-info for
32119         parallelized loops.
32121 2017-02-01  Richard Biener  <rguenther@suse.de>
32123         PR middle-end/79315
32124         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
32125         was not set before.
32127 2017-02-01  Richard Biener  <rguenther@suse.de>
32129         PR tree-optimization/71824
32130         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
32131         Verify the loops are valid in the merged SESE region.
32132         (scop_detection::can_represent_loop_1): Check analyzing the
32133         evolution of the number of iterations in the region succeeds.
32135 2017-01-31  Ian Lance Taylor  <iant@golang.org>
32137         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
32138         REG_ARGS_SIZE note to 32-bit push insns and call insn.
32140 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
32142         PR preprocessor/79210
32143         * input.c (get_substring_ranges_for_loc): Replace line_width
32144         assertion with error-handling.
32146 2017-01-31  Richard Biener  <rguenther@suse.de>
32148         PR tree-optimization/77318
32149         * graphite-sese-to-poly.c (extract_affine): Fix assert.
32150         (create_pw_aff_from_tree): Take loop parameter.
32151         (add_condition_to_pbb): Pass loop of the condition to
32152         create_pw_aff_from_tree.
32154 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
32156         * config/s390/s390.c (s390_asan_shadow_offset): New function.
32157         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
32159 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
32161         PR target/78597
32162         PR target/79038
32163         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
32164         no longer used.
32165         (convert_int_to_float128): Likewise.
32166         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
32167         (convert_int_to_float128): Likewise.
32168         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
32169         (UNSPEC_IEEE128_CONVERT): Likewise.
32170         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
32171         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
32172         Use local variables for IBM extended format.
32173         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
32174         (fix_trunc<mode>si2_fprs): Likewise.
32175         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
32176         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
32177         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
32178         to know that we can now have integers of all sizes in vector
32179         registers.
32180         (fix<uns>_<mode>di2_hw): Likewise.
32181         (float<uns>_<mode>si2_hw): Likewise.
32182         (fix_<mode>si2_hw): Likewise.
32183         (fixuns_<mode>si2_hw): Likewise.
32184         (float<uns>_<mode>di2_hw): Likewise.
32185         (float_<mode>di2_hw): Likewise.
32186         (float_<mode>si2_hw): Likewise.
32187         (floatuns_<mode>di2_hw): Likewise.
32188         (floatuns_<mode>si2_hw): Likewise.
32189         (xscvqp<su>wz_<mode>): Delete, no longer used.
32190         (xscvqp<su>dz_<mode>): Likewise.
32191         (xscv<su>dqp_<mode>): Likewise.
32192         (ieee128_mfvsrd_64bit): Likewise.
32193         (ieee128_mfvsrd_32bit): Likewise.
32194         (ieee128_mfvsrwz): Likewise.
32195         (ieee128_mtvsrw): Likewise.
32196         (ieee128_mtvsrd_64bit): Likewise.
32197         (ieee128_mtvsrd_32bit): Likewise.
32199 2017-01-31  Martin Liska  <mliska@suse.cz>
32201         PR ipa/79285
32202         * ipa-prop.c (ipa_free_all_node_params): Call release method
32203         instead of ~sumbol_summary to not to trigger double times
32204         dtor of hash_map.
32206 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
32208         PR tree-optimization/71691
32209         * bitmap.h (class auto_bitmap): New.
32210         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
32211         is_maybe_undefined instead of ssa_undefined_value_p.
32213 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
32215         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
32216         __S390_ARCH_LEVEL__ to __ARCH__.
32218 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
32220         PR tree-optimization/79267
32221         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
32222         if should_remove_lhs_p is true.
32224 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
32226         PR debug/63238
32227         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
32228         (add_alignment_attribute): New.
32229         (base_type_die): Add alignment attribute.
32230         (subrange_type_die): Likewise.
32231         (modified_type_die): Likewise.
32232         (gen_array_type_die): Likewise.
32233         (gen_descr_array_type_die: Likewise.
32234         (gen_enumeration_type_die): Likewise.
32235         (gen_subprogram_die): Likewise.
32236         (gen_variable_die): Likewise.
32237         (gen_field_die): Likewise.
32238         (gen_ptr_to_mbr_type_die): Likewise.
32239         (gen_struct_or_union_type_die): Likewise.
32240         (gen_subroutine_type_die): Likewise.
32241         (gen_typedef_die): Likewise.
32242         (base_type_cmp): Compare alignment attribute.
32244 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
32246         PR target/79170
32247         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
32248         (setb_unsigned) New pattern for setb with CCUNS.
32249         * config/rs6000/rs6000.c (expand_block_compare): Use a different
32250         subfc./subfe sequence to avoid overflow problems.  Generate a
32251         shorter sequence with cmpld/setb for power9.
32252         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
32253         for generating subfc. instruction.
32254         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
32255         now uses this instruction.
32257 2017-01-30  Ian Lance Taylor  <iant@google.com>
32259         PR debug/79289
32260         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
32261         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
32263 2017-01-30  Martin Sebor  <msebor@redhat.com>
32265         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
32266         Move constant to the right of a relational operator.
32267         (get_mpfr_format_length, format_character, format_string): Ditto.
32268         (should_warn_p, maybe_warn): Same.
32270         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
32272 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
32274         PR lto/79061
32275         * asan.c (get_translation_unit_decl): Remove function.
32276         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
32278 2017-01-30  Martin Liska  <mliska@suse.cz>
32280         PR gcov-profile/79259
32281         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
32282         -fprofile-generate.
32284 2017-01-30  Martin Liska  <mliska@suse.cz>
32286         PR bootstrap/78985
32287         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
32288         Initialize variables with NULL value.
32290 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
32292         PR target/79260
32293         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
32294         tm_p_file.
32295         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
32297 2017-01-30  Richard Biener  <rguenther@suse.de>
32299         PR tree-optimization/79276
32300         * tree-vrp.c (process_assert_insertions): Properly adjust common
32301         when removing a duplicate.
32303 2017-01-30  Richard Biener  <rguenther@suse.de>
32305         PR tree-optimization/79256
32306         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
32307         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
32308         alignment on TYPE.
32309         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
32311 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
32313         PR target/79240
32314         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
32315         ("*r<noxa>sbg_<mode>_sll_bitmask")
32316         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
32317         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
32318         Use contiguous_bitmask_nowrap_operand.
32320 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
32322         PR target/79268
32323         * config/rs6000/altivec.h (vec_xl): Revise #define.
32324         (vec_xst): Likewise.
32326 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
32328         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
32330 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
32332         PR rtl-optimization/79194
32333         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
32334         traps before call to bypass_conditional_jumps.
32336 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
32338         PR tree-optimization/71374
32339         * lra-constraints.c (check_conflict_input_operands): New.
32340         (match_reload): Use it.
32342 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
32344         PR target/79131
32345         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
32346         account to calculate conflict_set.
32348 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
32350         PR rtl-optimization/78559
32351         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
32352         other_insn in combine.
32354 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
32356         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
32357         uint16_type_node for BT_UINT16.
32359 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
32361         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
32362         "RTL Tests" to menu.
32363         (GIMPLE Tests): New node.
32364         (RTL Tests): New node.
32366 2017-01-27  Richard Biener  <rguenther@suse.de>
32368         PR tree-optimization/79245
32369         * tree-loop-distribution.c (distribute_loop): Apply cost
32370         modeling also to detected patterns.
32372 2017-01-27  Richard Biener  <rguenther@suse.de>
32374         PR tree-optimization/71433
32375         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
32376         (compare_assert_loc): New function.
32377         (process_assert_insertions): Sort and optimize assert locations
32378         to remove duplicates and push down identical assertions on
32379         edges to their destination block.
32381 2017-01-27  Richard Biener  <rguenther@suse.de>
32383         PR tree-optimization/79244
32384         * tree-vrp.c (remove_range_assertions): Forcefully propagate
32385         out SSA names even if abnormal.
32387 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
32389         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
32390         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
32391         instead of MPFR_RNDN.
32393 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
32395         PR target/79239
32396         * arm.c (arm_option_override): Don't call build_target_option_node
32397         until after doing all option overrides.
32398         (arm_valid_target_attribute_tree): Likewise.
32400 2017-01-27  Martin Liska  <mliska@suse.cz>
32402         * doc/invoke.texi (-fprofile-arcs): Document profiling support
32403         for {cd}tors and C++ {cd}tors.
32405 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
32407         * config/s390/s390.md ("*setmem_long_and")
32408         ("*setmem_long_and_31z"): Use zero_extend instead of and.
32410 2017-01-26  Martin Sebor  <msebor@redhat.com>
32412         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
32413         of precision.
32415 2017-01-26  Martin Sebor  <msebor@redhat.com>
32417         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
32418         HAVE_DFmode before using XFmode or DFmode.
32419         (parse_directive): Avoid using the z length modifier to avoid
32420         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
32422         PR middle-end/78703
32423         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
32424         to accept adjustment as an array.
32425         (get_int_range): New function.
32426         (struct directive): Make width and prec arrays.
32427         (directive::set_width, directive::set_precision): Call get_int_range.
32428         (format_integer, format_floating): Handle width and precision ranges.
32429         (format_string, parse_directive): Same.
32431 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
32433         PR debug/79129
32434         * dwarf2out.c (generate_skeleton_bottom_up): For children with
32435         comdat_type_p set, just clone them, but keep the children in the
32436         original DIE.
32438         PR debug/78835
32439         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
32440         which have direct callers with -fvar-tracking-assignments enabled
32441         in the current TU.
32442         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
32443         inside of type units.
32445 2017-01-26  Martin Sebor  <msebor@redhat.com>
32447         PR middle-end/78703
32448         * gimple-ssa-sprintf.c (struct result_range): Add likely and
32449         unlikely counters.
32450         (struct format_result): Replace number_chars, number_chars_min,
32451         and number_chars_max with a single member of struct result_range.
32452         Remove bounded.
32453         (format_result::operator+=): Adjust.
32454         (struct fmtresult): Remove bounded.  Handle likely and unlikely
32455         counters.
32456         (fmtresult::adjust_for_width_or_precision): New function.
32457         (fmtresult:type_max_digits): New function.
32458         (bytes_remaining): Handle likely and unlikely counters.
32459         (min_bytes_remaining): Remove.
32460         (format_percent): Simplify.
32461         (format_integer, format_floating): Set likely and unlikely counters.
32462         (get_string_length, format_character, format_string): Same.
32463         (format_plain, should_warn_p): New function.
32464         (maybe_warn): Call should_warn_p.  Update diagnostic messages
32465         and handle those for all directives, including plain strings.
32466         (format_directive): Handle likely and unlikely counters.
32467         Remove unnecessary quoting from diagnostics.  Add an informational
32468         note.
32469         (add_bytes): Remove.
32470         (pass_sprintf_length::compute_format_length): Simplify.
32471         (try_substitute_return_value): Handle likely and unlikely counters.
32473 2017-01-26  Carl Love  <cel@us.ibm.com>
32475         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
32476         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
32478 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
32480         PR target/79131
32481         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
32482         endianess for subregs into account.
32483         * lra-constraints.c (lra_constraints): Do risky transformations
32484         always on the first iteration.
32485         * lra-lives.c (check_pseudos_live_through_calls): Add arg
32486         last_call_used_reg_set.
32487         (process_bb_lives): Define and use last_call_used_reg_set.
32488         * lra.c (lra): Always continue after lra_constraints on the first
32489         iteration.
32491 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
32493         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
32494         constant.
32495         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
32497 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
32499         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
32500         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
32501         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
32502         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
32503         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
32504         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
32505         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
32506         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
32507         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
32509 2017-01-26  Marek Polacek  <polacek@redhat.com>
32511         PR c/79199
32512         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
32513         for the third operand.
32515 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
32517         PR middle-end/79236
32518         * omp-low.c (struct omp_context): Add simt_stmt field.
32519         (scan_omp_for): Return omp_context *.
32520         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
32521         context to the _simt_ SIMD stmt.
32522         (lower_omp_for): For combined SIMD with sibling _simt_
32523         SIMD, make sure to use the same decls in _looptemp_
32524         clauses as in the sibling.
32526 2017-01-26  David Sherwood  <david.sherwood@arm.com>
32528         PR middle-end/79212
32529         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
32530         all contexts.
32532 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
32534         PR target/70465
32535         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
32536         emit fld b; fld a; if possible.
32538         * brig-builtins.def: Update copyright years.
32539         * config/arm/arm_acle_builtins.def: Update copyright years.
32541 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
32543         PR target/79179
32544         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
32545         constraint instead of o for the stxsd instruction.
32547 2017-01-25  Carl Love  <cel@us.ibm.com>
32549         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
32550         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
32552 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
32554         * doc/invoke.texi (C++ Dialect Options): Fix typo.
32556 2017-01-25  Richard Biener  <rguenther@suse.de>
32558         PR tree-optimization/69264
32559         * target.def (vector_alignment_reachable): Improve documentation.
32560         * doc/tm.texi: Regenerate.
32561         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
32562         and add a comment.
32563         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
32564         earlier changes with respect to TYPE_USER_ALIGN.
32565         (vector_alignment_reachable_p): Likewise.  Improve dumping.
32567 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
32569         PR target/79145
32570         * config/arm/arm.md (xordi3): Force constant operand into a register
32571         for TARGET_IWMMXT.
32573 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
32575         * doc/invoke.texi (-fstore-merging): Correct default optimization
32576         levels at which it is enabled.
32577         (-O): Move -fstore-merging from list to...
32578         (-O2): ... Here.
32580 2017-01-25  Richard Biener  <rguenther@suse.de>
32582         PR debug/78363
32583         * omp-expand.c: Include debug.h.
32584         (expand_omp_taskreg): Make sure to generate early debug before
32585         outlining anything from a function.
32586         (expand_omp_target): Likewise.
32587         (grid_expand_target_grid_body): Likewise.
32589 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
32591         PR lto/79061
32592         * asan.c (get_translation_unit_decl): New function.
32593         (asan_add_global): Extract modules file name from globals
32594         TRANSLATION_UNIT_DECL name.
32596 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
32598         PR target/77439
32599         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
32600         for long calls with APCS frame and VFP.
32602 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
32604         * cfg.c (original_copy_tables_initialized_p): New function.
32605         * cfg.h (original_copy_tables_initialized_p): New decl.
32606         * cfgrtl.c (relink_block_chain): Guard the call to
32607         free_original_copy_tables with a call to
32608         original_copy_tables_initialized_p.
32609         * cgraph.h (symtab_node::native_rtl_p): New decl.
32610         * cgraphunit.c (symtab_node::native_rtl_p): New function.
32611         (symtab_node::needed_p): Don't assert for early assembly output
32612         for __RTL functions.
32613         (cgraph_node::finalize_function): Set "force_output" for __RTL
32614         functions.
32615         (cgraph_node::analyze): Bail out early for __RTL functions.
32616         (analyze_functions): Update assertion to support __RTL functions.
32617         (cgraph_node::expand): Bail out early for __RTL functions.
32618         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
32619         __RTL functions.
32620         * function.h (struct function): Update comment for field
32621         "pass_startwith".
32622         * gimple-expr.c: Include "tree-pass.h".
32623         (gimple_has_body_p): Return false for __RTL functions.
32624         * Makefile.in (OBJS): Add run-rtl-passes.o.
32625         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
32626         accessor.
32627         (gcc::pass_manager::get_clean_slate): New accessor.
32628         * passes.c: Include "insn-addr.h".
32629         (should_skip_pass_p): Add logging.  Update logic for running
32630         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
32631         property-provider override so it is only done for gimple passes.
32632         Don't skip dfinit.
32633         (skip_pass): New function.
32634         (execute_one_pass): Call skip_pass when skipping passes.
32635         * read-md.c (md_reader::read_char): Support filtering
32636         the input to a subset of line numbers.
32637         (md_reader::md_reader): Initialize fields
32638         m_first_line and m_last_line.
32639         (md_reader::read_file_fragment): New function.
32640         * read-md.h (md_reader::read_file_fragment): New decl.
32641         (md_reader::m_first_line): New field.
32642         (md_reader::m_last_line): New field.
32643         * read-rtl-function.c (function_reader::create_function): Only
32644         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
32645         curr_properties.  Set DECL_INITIAL to a dummy block.
32646         (read_rtl_function_body_from_file_range): New function.
32647         * read-rtl-function.h (read_rtl_function_body_from_file_range):
32648         New decl.
32649         * run-rtl-passes.c: New file.
32650         * run-rtl-passes.h: New file.
32652 2017-01-24  Jeff Law  <law@redhat.com>
32654         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
32655         buffer size.
32657 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
32659         PR tree-optimization/79159
32660         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
32661         (record_nonwrapping_iv): Improve boundary using above function if no
32662         value range information.
32664 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
32665             Martin Jambor  <mjambor@suse.cz>
32667         * brig-builtins.def: New file.
32668         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
32669         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
32670         (DEF_HSAIL_SAT_BUILTIN): Likewise.
32671         (DEF_HSAIL_INTR_BUILTIN): Likewise.
32672         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
32673         * builtin-types.def (BT_INT8): New.
32674         (BT_INT16): Likewise.
32675         (BT_UINT8): Likewise.
32676         (BT_UINT16): Likewise.
32677         (BT_FN_ULONG): Likewise.
32678         (BT_FN_UINT_INT): Likewise.
32679         (BT_FN_UINT_ULONG): Likewise.
32680         (BT_FN_UINT_LONG): Likewise.
32681         (BT_FN_UINT_PTR): Likewise.
32682         (BT_FN_ULONG_PTR): Likewise.
32683         (BT_FN_INT8_FLOAT): Likewise.
32684         (BT_FN_INT16_FLOAT): Likewise.
32685         (BT_FN_UINT32_FLOAT): Likewise.
32686         (BT_FN_UINT16_FLOAT): Likewise.
32687         (BT_FN_UINT8_FLOAT): Likewise.
32688         (BT_FN_UINT64_FLOAT): Likewise.
32689         (BT_FN_UINT16_UINT32): Likewise.
32690         (BT_FN_UINT32_UINT16): Likewise.
32691         (BT_FN_UINT16_UINT16_UINT16): Likewise.
32692         (BT_FN_INT_PTR_INT): Likewise.
32693         (BT_FN_UINT_PTR_UINT): Likewise.
32694         (BT_FN_LONG_PTR_LONG): Likewise.
32695         (BT_FN_ULONG_PTR_ULONG): Likewise.
32696         (BT_FN_VOID_UINT64_UINT64): Likewise.
32697         (BT_FN_UINT8_UINT8_UINT8): Likewise.
32698         (BT_FN_INT8_INT8_INT8): Likewise.
32699         (BT_FN_INT16_INT16_INT16): Likewise.
32700         (BT_FN_INT_INT_INT): Likewise.
32701         (BT_FN_UINT_FLOAT_UINT): Likewise.
32702         (BT_FN_FLOAT_UINT_UINT): Likewise.
32703         (BT_FN_ULONG_UINT_UINT): Likewise.
32704         (BT_FN_ULONG_UINT_PTR): Likewise.
32705         (BT_FN_ULONG_ULONG_ULONG): Likewise.
32706         (BT_FN_UINT_UINT_UINT): Likewise.
32707         (BT_FN_VOID_UINT_PTR): Likewise.
32708         (BT_FN_UINT_UINT_PTR: Likewise.
32709         (BT_FN_UINT32_UINT64_PTR): Likewise.
32710         (BT_FN_INT_INT_UINT_UINT): Likewise.
32711         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
32712         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
32713         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
32714         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
32715         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
32716         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
32717         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
32718         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
32719         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
32720         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
32721         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
32722         * doc/frontends.texi: List BRIG FE.
32723         * doc/install.texi (Testing): Add BRIG tesring requirements.
32724         * doc/invoke.texi (Overall Options): Mention BRIG.
32725         * doc/standards.texi (Standards): Doucment BRIG HSA version.
32727 2017-01-24  Richard Biener  <rguenther@suse.de>
32729         PR translation/79208
32730         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
32732 2017-01-24  Martin Jambor  <mjambor@suse.cz>
32734         PR bootstrap/79198
32735         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
32736         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
32737         and known_contexts.
32739 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
32741         PR middle-end/79123
32742         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
32743         casts from signed to unsigned really don't have a range.
32745 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
32747         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
32748         GMP_RNDx for compatiblity.
32750 2017-01-24  Martin Liska  <mliska@suse.cz>
32752         PR bootstrap/79132
32753         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
32754         that would prevent us to call alloca with -1 as argument.
32756 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
32758         * dwarf2out.c (output_compilation_unit_header, output_file_names):
32759         Avoid -Wformat-security warning.
32761 2017-01-23  Andrew Pinski  <apinski@cavium.com>
32763         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
32764         cost table.
32766 2017-01-23  Martin Sebor  <msebor@redhat.com>
32768         PR middle-end/78703
32769         * gimple-ssa-sprintf.c (warn_level): New global.
32770         (format_integer): Use it here and throughout the rest of the file.
32771         Use the same switch to compute sign as base.
32772         (maybe_warn): New function.
32773         (format_directive): Factor out warnings into maybe_warn.
32774         Add debugging output.  Use warn_level.
32775         (add_bytes): Use warn_level.
32776         (pass_sprintf_length::compute_format_length): Add debugging output.
32777         (try_substitute_return_value): Same.
32778         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
32780         PR middle-end/78703
32781         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
32782         (struct fmtresult, format_integer, format_floating): Adjust.
32783         (fmtresult::fmtresult): Set max correctly in two argument ctor.
32784         (get_string_length, format_string,format_directive): Same.
32785         (pass_sprintf_length::compute_format_length): Same.
32786         (try_substitute_return_value): Simplify slightly.
32788         PR middle-end/78703
32789         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
32790         (fmtresult::operator+=): Outlined.
32791         (struct fmtresult): Add ctors.
32792         (struct conversion_spec): Rename...
32793         (struct directive): ...to this.  Add and remove data members.
32794         (directive::set_width, directive::set_precision): New functions.
32795         (format_percent): Use fmtresult ctor.
32796         (get_width_and_precision): Remove.
32797         (format_integer): Make naming changes.  Avoid computing width and
32798         precision.
32799         (format_floating): Same.  Adjust indentation.
32800         (format_character, format_none): New functions.
32801         (format_string): Moved character handling to format_character.
32802         (format_directive): Remove arguments, change return type.
32803         (parse_directive): New function.
32804         (pass_sprintf_length::compute_format_length): Move directive
32805         parsing to parse_directive.
32807 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
32809         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
32810         (assign_assembler_name_if_needed): ... this.
32811         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
32812         (assign_assembler_name_if_needed): ... this.
32813         (free_lang_data_in_cgraph): Adjust callers.
32814         * cgraphunit.c (cgraph_node::analyze): Likewise.
32815         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
32816         Likewise.
32818 2017-01-23  Richard Biener  <rguenther@suse.de>
32820         PR tree-optimization/79088
32821         PR tree-optimization/79188
32822         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
32823         resetting loop bounds after last path deletion.  Reset loop
32824         bounds of the target loop, make code match the comments.
32825         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
32826         Make sure loops need no fixups.
32828 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
32830         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
32831         exponent support with double type for first argument.
32832         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
32833         type returned by __builtin_vec_extract_sig,
32834         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
32835         functions from "vector int" to "vector unsigned int" or from
32836         "vector long long int" to "vector unsigned long long int".
32837         Changed type returned by __builtin_vec_extract_exp,
32838         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
32839         functions from "vector int" to "vector unsigned int" or from
32840         "vector long long int" to "vector unsigned long long int".
32841         Changed return type of __builtin_vec_test_data_class,
32842         __builtin_vec_test_data_class_sp, and
32843         __builtin_vec_test_data_class_dp from "vector int" to
32844         "vector bool int" or from "vector long long int" to "vector bool
32845         long long int" and changed second argument type from "unsigned
32846         int" to "int".  Added new overloaded function forms "vector float
32847         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
32848         "vector float __builtin_vec_insert_exp_sp (vector float, vector
32849         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
32850         double, vector unsigned long long int)" and "vector double
32851         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
32852         long int)".  Changed return type of
32853         __builtin_scalar_test_data_class and
32854         __builtin_scalar_test_data_class_sp and
32855         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
32856         int" and changed second argument from "unsigned int" to "int".
32857         Changed type returned by __builtin_scalar_test_neg,
32858         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
32859         from "int" to "bool int".  Added new overloaded function form
32860         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
32861         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
32862         exponent double-precision with floating point first argument.
32863         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
32864         documentation of scalar_test_data_class, scalar_test_neg,
32865         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
32866         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
32867         vec_test_data_class built-in functions to reflect refinements in
32868         their type signatures.
32870 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
32872         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
32873         size of buf.
32874         (aarch64_elf_asm_destructor): Likewise.
32876 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
32878         PR rtl-optimization/78634
32879         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
32880         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
32881         * ifcvt.c (noce_try_cmove): Add missing cost check.
32883         PR rtl-optimization/71724
32884         * combine.c (if_then_else_cond): Look for situations where it is
32885         beneficial to undo the work of one of the recursive calls.
32887 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
32889         PR tree-optimization/70754
32890         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
32891         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
32892         combined stmt before it if not NULL.
32893         (combine_chains): Process refs reversely and compute dominance point
32894         for root ref.
32896 2017-01-23  Martin Liska  <mliska@suse.cz>
32898         PR tree-optimization/79196
32899         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
32900         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
32901         instead of memcmp.
32902         (strlen_optimize_stmt): Call the renamed function.
32904 2017-01-23  Michael Matz  <matz@suse.de>
32906         PR tree-optimization/78384
32907         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
32909 2017-01-23  Richard Biener  <rguenther@suse.de>
32911         PR tree-optimization/79186
32912         * tree-vrp.c (register_new_assert_for): Make sure we've seen
32913         both incoming edges before moving an assert.
32915 2017-01-23  Martin Jambor  <mjambor@suse.cz>
32917         * ipa-prop.c (load_from_param_1): Removed.
32918         (load_from_unmodified_param): Bits from load_from_param_1 put back
32919         here.
32920         (load_from_param): Removed.
32921         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
32922         with stmt.  Reverted back to use of load_from_unmodified_param.
32924 2017-01-23  Martin Jambor  <mjambor@suse.cz>
32926         PR ipa/79108
32927         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
32928         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
32929         field a pointer to garbage collected vector, mark lattices and
32930         ipcp_orig_node with GTY((skip)).
32931         (ipa_get_param_count): Adjust to descriptors being a pointer.
32932         (ipa_get_param): Likewise.
32933         (ipa_get_type): Likewise.
32934         (ipa_get_param_move_cost): Likewise.
32935         (ipa_set_param_used): Likewise.
32936         (ipa_get_controlled_uses): Likewise.
32937         (ipa_set_controlled_uses): Likewise.
32938         (ipa_is_param_used): Likewise.
32939         (ipa_node_params_t): Move into garbage collector.  New methods insert
32940         and remove.
32941         (ipa_node_params_sum): Annotate wth GTY(()).
32942         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
32943         garbage collected.
32944         (ipa_load_from_parm_agg): Adjust declaration.
32945         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
32946         * ipa-profile.c (ipa_profile): Likewise.
32947         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
32948         (ipa_populate_param_decls): Make descriptors parameter garbage
32949         collected.
32950         (ipa_dump_param): Adjust to descriptors being a pointer.
32951         (ipa_alloc_node_params): Likewise.
32952         (ipa_initialize_node_params): Likewise.
32953         (load_from_param_1): Make descriptors parameter garbage collected.
32954         (load_from_unmodified_param): Likewise.
32955         (load_from_param): Likewise.
32956         (ipa_load_from_parm_agg): Likewise.
32957         (ipa_node_params::~ipa_node_params): Removed.
32958         (ipa_free_all_node_params): Remove call to delete operator.
32959         (ipa_node_params_t::insert): New.
32960         (ipa_node_params_t::remove): Likewise.
32961         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
32962         copy known_csts and known_contexts vectors.
32963         (ipa_read_node_info): Adjust to descriptors being a pointer.
32964         (ipcp_modif_dom_walker): Make m_descriptors field garbage
32965         collected.
32966         (ipcp_transform_function): Make descriptors variable garbage
32967         collected.
32969 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
32971         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
32972         * config/i386/avx512dqintrin.h: Ditto.
32973         * config/i386/avx512fintrin.h: Ditto.
32974         * config/i386/i386.c: Handle new builtins.
32975         * config/i386/i386-builtin.def: Add new builtins.
32976         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
32977         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
32979 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
32980             Martin Liska  <mliska@suse.cz>
32982         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
32983         * asan.c (asan_expand_poison_ifn): Support stores and use
32984         appropriate ASAN report function.
32985         * internal-fn.c (expand_ASAN_POISON_USE): New function.
32986         * internal-fn.def (ASAN_POISON_USE): Declare.
32987         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
32988         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
32989         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
32990         ASAN_POISON calls w/o LHS.
32991         * tree-ssa.c (execute_update_addresses_taken): Create clobber
32992         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
32993         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
32994         * gimplify.c (asan_poison_variables): Add attribute
32995         use_after_scope_memory to variables that really needs to live
32996         in memory.
32997         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
32998         having the attribute.
33000 2017-01-23  Martin Liska  <mliska@suse.cz>
33002         * asan.c (create_asan_shadow_var): New function.
33003         (asan_expand_poison_ifn): Likewise.
33004         * asan.h (asan_expand_poison_ifn): New declaration.
33005         * internal-fn.c (expand_ASAN_POISON): Likewise.
33006         * internal-fn.def (ASAN_POISON): New builtin.
33007         * sanopt.c (pass_sanopt::execute): Expand
33008         asan_expand_poison_ifn.
33009         * tree-inline.c (copy_decl_for_dup_finish): Make function
33010         external.
33011         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
33012         * tree-ssa.c (is_asan_mark_p): New function.
33013         (execute_update_addresses_taken): Rewrite local variables
33014         (identified just by use-after-scope as addressable) into SSA.
33016 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
33018         * doc/install.texi (Specific): opensource.apple.com uses https
33019         now. Remove trailing slash.
33021 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
33023         * README.Portability: Remove note on an Irix compatibility issue.
33025 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
33027         * gcov.c (INCLUDE_ALGORITHM): Define.
33028         (INCLUDE_VECTOR): Define.
33029         No longer include <vector> and <algorithm> directly.
33031 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
33033         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
33034         to https.
33035         * doc/invoke.texi (Code Gen Options): Ditto.
33037 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
33039         PR lto/78407
33040         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
33042 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
33044         rtl-optimization/79125
33045         * cprop.c (local_cprop_pass): Handle cases where we make an
33046         unconditional trap.
33048 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
33050         PR target/61729
33051         PR target/77850
33052         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
33053         read from, for big endian.
33055 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
33057         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
33058         register pauth builtins for LP64 only.
33060 2017-01-20  Marek Polacek  <polacek@redhat.com>
33062         PR c/79152
33063         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
33064         non-case labels.
33066 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
33068         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
33069         of safelen status.
33070         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
33071         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
33072         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
33074 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33076         PR target/71270
33077         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
33078         in big-endian mode when they are not a single duplicated value.
33080 2017-01-20  Richard Biener  <rguenther@suse.de>
33082         * BASE-VER: Bump to 7.0.1.
33084 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
33086         * omp-low.c (omplow_simd_context): New struct.  Use it...
33087         (lower_rec_simd_input_clauses): ...here and...
33088         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
33089         references to idx, lane, max_vf, is_simt.
33091 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
33093         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
33094         mcpu=nps400.
33096 2017-01-20  Martin Jambor  <mjambor@suse.cz>
33098         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
33099         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
33100         gt-hsa-common.h.
33101         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
33102         (GTFILES): Rename hsa.c to hsa-common.c.
33103         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
33104         * hsa-dump.c: Likewise.
33105         * hsa-gen.c: Likewise.
33106         * hsa-regalloc.c: Likewise.
33107         * ipa-hsa.c: Likewise.
33108         * omp-expand.c: Likewise.
33109         * omp-low.c: Likewise.
33110         * toplev.c: Likewise.
33112 2017-01-20  Marek Polacek  <polacek@redhat.com>
33114         PR c/64279
33115         * doc/invoke.texi: Document -Wduplicated-branches.
33116         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
33117         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
33118         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
33119         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
33120         return 0 only when not OEP_LEXICOGRAPHIC.
33121         (fold_build_cleanup_point_expr): Use the expression
33122         location when building CLEANUP_POINT_EXPR.
33123         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
33124         * tree.c (add_expr): Handle error_mark_node.
33126 2017-01-20  Martin Liska  <mliska@suse.cz>
33128         PR lto/69188
33129         * tree-profile.c (init_ic_make_global_vars): Do not call
33130         finalize_decl.
33131         (gimple_init_gcov_profiler): Likewise.
33133 2017-01-20  Martin Liska  <mliska@suse.cz>
33135         PR ipa/71190
33136         * cgraph.h (maybe_create_reference): Remove argument and
33137         update comment.
33138         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
33139         argument.
33140         * ipa-cp.c (create_specialized_node): Likewise.
33141         * symtab.c (symtab_node::maybe_create_reference): Handle
33142         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
33144 2017-01-20  Martin Liska  <mliska@suse.cz>
33146         * read-rtl-function.c (function_reader::create_function): Use
33147         build_decl instread of build_decl_stat.
33149 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
33151         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
33152         * config/i386/avx512dqintrin.h: Ditto.
33153         * config/i386/avx512fintrin.h: Ditto.
33154         * config/i386/i386-builtin-types.def: Add new types.
33155         * config/i386/i386.c: Handle new types.
33156         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
33157         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
33158         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
33159         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
33160         (__builtin_ia32_kshiftridi): New.
33161         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
33163 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
33165         PR target/78875
33166         PR target/79140
33167         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
33168         define to rs6000_init_stack_protect_guard.
33169         (rs6000_init_stack_protect_guard): New function.
33171 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
33172             Yunqiang Su  <yunqiang.su@imgtec.com>
33174         * config.gcc (supported_defaults): Add madd4.
33175         (with_madd4): Add validation.
33176         (all_defaults): Add madd4.
33177         * config/mips/mips.opt (mmadd4): New option.
33178         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
33179         mmadd4.
33180         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
33181         __mips_no_madd4.
33182         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
33183         (ISA_HAS_FUSED_MADD4): Likewise.
33184         * doc/invoke.texi (-mmadd4): Document the new option.
33185         * doc/install.texi (--with-madd4): Document the new option.
33187 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
33189         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
33190         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
33191         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
33192         (aarch64_init_pauth_hint_builtins): New.
33193         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
33194         (aarch64_expand_builtin): Expand new builtins.
33196 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
33198         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
33199         * combine-stack-adj.c (no_unhandled_cfa): Handle
33200         REG_CFA_TOGGLE_RA_MANGLE.
33201         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
33202         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
33203         info for return address signing.
33204         (aarch64_expand_epilogue): Likewise.
33206 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
33208         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
33209         * config/aarch64/aarch64-protos.h
33210         (aarch64_return_address_signing_enabled): New declaration.
33211         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
33212         New function.
33213         (aarch64_expand_prologue): Sign return address before it's pushed onto
33214         stack.
33215         (aarch64_expand_epilogue): Authenticate return address fetched from
33216         stack.
33217         (aarch64_override_options): Sanity check for ILP32 and ISA level.
33218         (aarch64_attributes): New function attributes for "sign-return-address".
33219         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
33220         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
33221         ("*do_return"): Generate combined instructions according to key index.
33222         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
33223         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
33224         iterators.
33225         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
33226         * config/aarch64/aarch64.opt (msign-return-address=): New.
33227         * doc/extend.texi (AArch64 Function Attributes): Documents
33228         "sign-return-address=".
33229         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
33231 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
33233         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
33234         overall option summary.
33236 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
33238         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
33239         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
33240         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
33241         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
33243 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
33245         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
33246         -mpower9-minmax by default for -mcpu=power9.
33247         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
33248         128-bit floating point.
33250 2017-01-20  Alan Modra  <amodra@gmail.com>
33252         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
33253         optimizing for size.
33255 2017-01-20  Alan Modra  <amodra@gmail.com>
33257         PR target/79144
33258         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
33259         for strcmp and strncmp from corresponding builtin decl.
33261 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
33263         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
33264         instead of i386/rtems-64.h.
33265         * config/i386/rtems-64.h: Remove.
33267 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
33269         PR target/78478
33270         Revert:
33271         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
33273         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
33275 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
33277         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
33278         Change int to HOST_WIDE_INT.
33279         * config/aarch64/aarch64-protos.h
33280         (aarch64_simd_gen_const_vector_dup): Likewise.
33281         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
33283 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
33285         * langhooks-def.h (lhd_type_for_size): New decl.
33286         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
33287         * langhooks.c (lhd_type_for_size): New function, taken from
33288         lto_type_for_size.
33290 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
33292         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
33293         define_bypass for CR latency.
33294         (power9-cracked-alu): Update bypass latency and remove power9-branch.
33295         (power9-alu2): Add define_bypass for CR latency.
33296         (power9-cmp): New.
33297         (power9-mul): Update insn latency.
33298         (power9-mul-compare): Update insn latency, bypass latency and remove
33299         power9-branch.
33301 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33303         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
33304         Delete.
33305         * config/aarch64/aarch64.md
33306         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
33307         aarch64_nopcrelative_literal_loads.
33308         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
33310 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
33312         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
33313         TARGET_LOONGSON_3A.
33314         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
33316 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
33318         PR target/78176
33319         * config.gcc (supported_defaults): Add lxc1-sxc1.
33320         (with_lxc1_sxc1): Add validation.
33321         (all_defaults): Add lxc1-sxc1.
33322         * config/mips/mips.opt (mlxc1-sxc1): New option.
33323         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
33324         mlxc1-sxc1.
33325         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
33326         __mips_no_lxc1_sxc1.
33327         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
33328         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
33329         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
33331 2017-01-19  Richard Biener  <rguenther@suse.de>
33333         PR tree-optimization/72488
33334         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
33335         sure to restore SSA info.
33336         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
33338 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
33340         PR rtl-optimization/79121
33341         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
33342         of the inner type when shifting an extended value.
33344 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
33346         PR lto/78407
33347         * symtab.c (symtab_node::equal_address_to): Fix comparing of
33348         interposable aliases.
33350 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
33352         PR target/78516
33353         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
33354         Use the evmergelohi instruction.
33355         (mov_si<mode>_e500_subreg4_2_le): Likewise.
33356         (mov_sitf_e500_subreg8_2_be): Likewise.
33357         (mov_sitf_e500_subreg12_2_le): Likewise.
33358         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
33359         (mov_si<mode>_e500_subreg4_2_be): Likewise.
33360         (mov_sitf_e500_subreg8_2_le): Likewise.
33361         (mov_sitf_e500_subreg12_2_be): Likewise.
33363 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33365         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
33366         attribute from vecsimple to vecperm.
33367         (altivec_vbpermq2): Likewise.
33369 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33371         PR target/79040
33372         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
33374 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
33375         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
33376         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
33377         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
33378         case where N arg is SIZE_MAX.
33379         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
33380         (cmpstrsi): Add pattern.
33382 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
33384         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
33385         __builtin_vec_revb builtins.
33386         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
33387         built-in functions to support generation of the ISA 3.0 XXBR<x>
33388         vector byte reverse instructions.
33389         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
33390         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
33391         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
33392         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
33393         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
33394         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
33395         (P9V_BUILTIN_VEC_REVB): Likewise.
33396         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
33397         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
33398         (p9_xxbrq_v16qi): Likewise.
33399         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
33400         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
33401         (p9_xxbrh_v8hi): Likewise.
33402         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
33403         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
33404         vec_revb built-in functions.
33406 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
33408         PR rtl-optimization/78952
33409         * config/i386/i386.md (any_extract): New code iterator.
33410         (*insvqi_2): Use any_extract for source operand.
33411         (*insvqi_3): Use any_shiftrt for source operand.
33413 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
33415         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
33416         New function.
33417         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
33419 2017-01-18  Matthias Klose  <doko@ubuntu.com>
33421         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
33423 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33425         * config/rs6000/altivec.h (vec_bperm): Change #define.
33426         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
33427         (altivec_vbpermq2): New define_insn.
33428         (altivec_vbpermd): Likewise.
33429         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
33430         function interface.
33431         (VBPERMD): Likewise.
33432         (VBPERM): New polymorphic function interface.
33433         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
33434         Add entries for P9V_BUILTIN_VEC_VBPERM.
33435         * doc/extend.texi: Add interfaces for vec_bperm.
33437 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
33439         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
33440         first letter of error messages.
33441         (s390_resolve_overloaded_builtin): Likewise.
33442         * config/s390/s390.c (s390_expand_builtin): Likewise.
33443         (s390_invalid_arg_for_unprototyped_fn): Likewise.
33444         (s390_valid_target_attribute_inner_p): Likewise.
33445         * config/s390/s390.md ("tabort"): Likewise.
33447 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
33449         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
33450         (ISA_AVOID_DIV_HILO): New macro.
33451         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
33452         (ISA_HAS_DDIV): Likewise.
33454 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
33456         * doc/invoke.texi (fabi-version): Correct number of occurrences.
33458 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
33460         * doc/invoke.texi (fabi-version): Spelling fix.
33462 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
33464         PR c++/70182
33465         * doc/invoke.texi (fabi-version): Mention mangling fix for
33466         operator names.
33468 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
33470         PR c++/77489
33471         * doc/invoke.texi (fabi-version): Document discriminator mangling.
33473 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
33475         PR target/78875
33476         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
33477         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
33478         the new options.
33479         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
33480         flexible settings.
33481         (stack_protect_test): Ditto.
33482         * config/rs6000/rs6000.opt (mstack-protector-guard=,
33483         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
33484         options.
33485         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
33486         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
33487         -mstack-protector-guard-offset=.
33488         (RS/6000 and PowerPC Options): Ditto.
33490 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
33492         * config/i386/i386.h (MASK_CLASS_P): New define.
33493         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
33494         there are no registers from different register sets also when
33495         mask registers are used.  Update function comment.
33496         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
33497         to (*k/*r) and (*k/*km) alternatives.
33499 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
33501         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
33502         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
33503         (EH_RETURN_HANDLER_RTX): New define.
33504         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
33505         Force frame pointer in EH return functions.
33506         (aarch64_expand_epilogue): Add barrier for eh_return.
33507         (aarch64_final_eh_return_addr): Remove.
33508         (aarch64_eh_return_handler_rtx): New function.
33509         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
33510         Remove.
33511         (aarch64_eh_return_handler_rtx): New prototype.
33513 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33515         * config/rs6000/altivec.h (vec_rlmi): New #define.
33516         (vec_vrlnm): Likewise.
33517         (vec_rlnm): Likewise.
33518         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
33519         (UNSPEC_VRLNM): Likewise.
33520         (VIlong): New mode iterator.
33521         (altivec_vrl<VI_char>mi): New define_insn.
33522         (altivec_vrl<VI_char>nm): Likewise.
33523         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
33524         function entry.
33525         (VRLDNM): Likewise.
33526         (RLNM): New polymorphic function entry.
33527         (VRLWMI): New monomorphic function entry.
33528         (VRLDMI): Likewise.
33529         (RLMI): New polymorphic function entry.
33530         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
33531         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
33532         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
33533         vec_vrlnm.
33535 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
33537         PR debug/78839
33538         * dwarf2out.c (field_byte_offset): Restore the
33539         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
33540         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
33541         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
33542         of build2 + fold.
33544 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
33546         PR ada/67205
33547         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
33549 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
33551         PR debug/71669
33552         * dwarf2out.c (add_data_member_location_attribute): For constant
33553         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
33554         instead of DW_AT_data_member_location, DW_AT_bit_offset and
33555         DW_AT_byte_size attributes.
33557 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
33559         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
33560         after forcing to constant memory when the code model is medium.
33562 2017-01-17  Julia Koval  <julia.koval@intel.com>
33564         PR target/76731
33565         * config/i386/avx512fintrin.h
33566         (_mm512_i32gather_ps): Change __addr type to void const*.
33567         (_mm512_mask_i32gather_ps): Ditto.
33568         (_mm512_i32gather_pd): Ditto.
33569         (_mm512_mask_i32gather_pd): Ditto.
33570         (_mm512_i64gather_ps): Ditto.
33571         (_mm512_mask_i64gather_ps): Ditto.
33572         (_mm512_i64gather_pd): Ditto.
33573         (_mm512_mask_i64gather_pd): Ditto.
33574         (_mm512_i32gather_epi32): Ditto.
33575         (_mm512_mask_i32gather_epi32): Ditto.
33576         (_mm512_i32gather_epi64): Ditto.
33577         (_mm512_mask_i32gather_epi64): Ditto.
33578         (_mm512_i64gather_epi32): Ditto.
33579         (_mm512_mask_i64gather_epi32): Ditto.
33580         (_mm512_i64gather_epi64): Ditto.
33581         (_mm512_mask_i64gather_epi64): Ditto.
33582         (_mm512_i32scatter_ps): Change __addr type to void*.
33583         (_mm512_mask_i32scatter_ps): Ditto.
33584         (_mm512_i32scatter_pd): Ditto.
33585         (_mm512_mask_i32scatter_pd): Ditto.
33586         (_mm512_i64scatter_ps): Ditto.
33587         (_mm512_mask_i64scatter_ps): Ditto.
33588         (_mm512_i64scatter_pd): Ditto.
33589         (_mm512_mask_i64scatter_pd): Ditto.
33590         (_mm512_i32scatter_epi32): Ditto.
33591         (_mm512_mask_i32scatter_epi32): Ditto.
33592         (_mm512_i32scatter_epi64): Ditto.
33593         (_mm512_mask_i32scatter_epi64): Ditto.
33594         (_mm512_i64scatter_epi32): Ditto.
33595         (_mm512_mask_i64scatter_epi32): Ditto.
33596         (_mm512_i64scatter_epi64): Ditto.
33597         (_mm512_mask_i64scatter_epi64): Ditto.
33598         * config/i386/avx512pfintrin.h
33599         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
33600         (_mm512_mask_prefetch_i32gather_ps): Ditto.
33601         (_mm512_mask_prefetch_i64gather_pd): Ditto.
33602         (_mm512_mask_prefetch_i64gather_ps): Ditto.
33603         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
33604         (_mm512_prefetch_i32scatter_ps): Ditto.
33605         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
33606         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
33607         (_mm512_prefetch_i64scatter_pd): Ditto.
33608         (_mm512_prefetch_i64scatter_ps): Ditto.
33609         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
33610         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
33611         * config/i386/avx512vlintrin.h
33612         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
33613         (_mm_mmask_i32gather_ps): Ditto.
33614         (_mm256_mmask_i32gather_pd): Ditto.
33615         (_mm_mmask_i32gather_pd): Ditto.
33616         (_mm256_mmask_i64gather_ps): Ditto.
33617         (_mm_mmask_i64gather_ps): Ditto.
33618         (_mm256_mmask_i64gather_pd): Ditto.
33619         (_mm_mmask_i64gather_pd): Ditto.
33620         (_mm256_mmask_i32gather_epi32): Ditto.
33621         (_mm_mmask_i32gather_epi32): Ditto.
33622         (_mm256_mmask_i32gather_epi64): Ditto.
33623         (_mm_mmask_i32gather_epi64): Ditto.
33624         (_mm256_mmask_i64gather_epi32): Ditto.
33625         (_mm_mmask_i64gather_epi32): Ditto.
33626         (_mm256_mmask_i64gather_epi64): Ditto.
33627         (_mm_mmask_i64gather_epi64): Ditto.
33628         (_mm256_i32scatter_ps): Change __addr type to void*.
33629         (_mm256_mask_i32scatter_ps): Ditto.
33630         (_mm_i32scatter_ps): Ditto.
33631         (_mm_mask_i32scatter_ps): Ditto.
33632         (_mm256_i32scatter_pd): Ditto.
33633         (_mm256_mask_i32scatter_pd): Ditto.
33634         (_mm_i32scatter_pd): Ditto.
33635         (_mm_mask_i32scatter_pd): Ditto.
33636         (_mm256_i64scatter_ps): Ditto.
33637         (_mm256_mask_i64scatter_ps): Ditto.
33638         (_mm_i64scatter_ps): Ditto.
33639         (_mm_mask_i64scatter_ps): Ditto.
33640         (_mm256_i64scatter_pd): Ditto.
33641         (_mm256_mask_i64scatter_pd): Ditto.
33642         (_mm_i64scatter_pd): Ditto.
33643         (_mm_mask_i64scatter_pd): Ditto.
33644         (_mm256_i32scatter_epi32): Ditto.
33645         (_mm256_mask_i32scatter_epi32): Ditto.
33646         (_mm_i32scatter_epi32): Ditto.
33647         (_mm_mask_i32scatter_epi32): Ditto.
33648         (_mm256_i32scatter_epi64): Ditto.
33649         (_mm256_mask_i32scatter_epi64): Ditto.
33650         (_mm_i32scatter_epi64): Ditto.
33651         (_mm_mask_i32scatter_epi64): Ditto.
33652         (_mm256_i64scatter_epi32): Ditto.
33653         (_mm256_mask_i64scatter_epi32): Ditto.
33654         (_mm_i64scatter_epi32): Ditto.
33655         (_mm_mask_i64scatter_epi32): Ditto.
33656         (_mm256_i64scatter_epi64): Ditto.
33657         (_mm256_mask_i64scatter_epi64): Ditto.
33658         (_mm_i64scatter_epi64): Ditto.
33659         (_mm_mask_i64scatter_epi64): Ditto.
33660         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
33661         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
33662         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
33663         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
33664         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
33665         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
33666         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
33667         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
33668         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
33669         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
33670         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
33671         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
33672         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
33673         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
33674         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
33675         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
33676         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
33677         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
33678         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
33679         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
33680         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
33681         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
33682         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
33683         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
33684         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
33685         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
33686         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
33687         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
33688         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
33689         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
33690         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
33691         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
33692         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
33693         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
33694         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
33695         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
33696         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
33697         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
33698         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
33699         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
33700         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
33701         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
33702         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
33703         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
33704         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
33705         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
33706         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
33707         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
33708         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
33709         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
33710         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
33711         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
33712         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
33713         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
33714         definitions accordingly.
33716 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
33717             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
33719         PR target/79079
33720         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
33721         gen_lowpart.
33723 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
33725         PR target/79058
33726         * ira-conflicts.c (ira_build_conflicts): Update total conflict
33727         hard regs for inner regno.
33729 2017-01-17  Martin Liska  <mliska@suse.cz>
33731         PR ipa/71207
33732         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
33733         assumption and add comment.
33735 2017-01-17  Nathan Sidwell  <nathan@acm.org>
33737         * ipa-visibility.c (localize_node): New function, broken out of ...
33738         (function_and_variable_visibility): ... here. Call it.
33740 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
33742         PR middle-end/77445
33743         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
33744         correctly set frequency of oudgoing edge.
33745         (duplicate_thread_path): Fix profile updating.
33747 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
33749         PR other/79046
33750         * configure.ac: Add GCC_BASE_VER.
33751         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
33752         version from BASE-VER file.
33753         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
33754         (gcc.o): Depend on $(BASEVER).
33755         * common.opt (dumpfullversion): New option.
33756         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
33757         * doc/invoke.texi: Document -dumpfullversion.
33758         * doc/install.texi: Document --with-gcc-major-version-only.
33759         * configure: Regenerated.
33761 2017-01-17  Richard Biener  <rguenther@suse.de>
33763         PR tree-optimization/71433
33764         * tree-vrp.c (register_new_assert_for): Merge same asserts
33765         on all incoming edges.
33766         (process_assert_insertions_for): Handle insertions at the
33767         beginning of BBs.
33769 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
33771         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
33772         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
33774 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
33776         PR target/78633
33777         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
33778         RTL sharing.
33780 2017-01-17  Alan Modra  <amodra@gmail.com>
33782         PR target/79066
33783         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
33784         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
33785         symbolic stack limit when pic.
33787 2017-01-16  Martin Sebor  <msebor@redhat.com>
33789         PR tree-optimization/78608
33790         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
33792 2017-01-16  Jeff Law  <law@redhat.com>
33794         Revert:
33795         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
33796         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
33797         for several include directories that may be relative to sysroot.
33798         * config/i386/x-mingw32 (gplus_includedir): Define.
33799         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
33800         (native_system_includedir): Likewise.
33801         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
33802         override if TARGET_SYSTEM_ROOT is defined.
33803         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
33805         PR tree-optimization/79090
33806         PR tree-optimization/33562
33807         PR tree-optimization/61912
33808         PR tree-optimization/77485
33809         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
33810         and computed trims into the dump file.
33812 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
33814         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
33816 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
33818         PR c/79089
33819         * gimplify.c (gimplify_init_constructor): If want_value and
33820         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
33821         fix.
33823         PR target/79080
33824         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
33825         sequence.  Formatting fixes.
33826         (doloop_optimize): Formatting fixes.
33828         PR driver/49726
33829         * gcc.c (debug_level_greater_than_spec_func): New function.
33830         (static_spec_functions): Add debug-level-gt spec function.
33831         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
33832         !g0.
33833         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
33834         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
33835         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
33836         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
33837         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
33838         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
33840 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
33842         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
33843         QImode fixups to general and mask registers only.
33845 2017-01-16  Carl Love  <cel@us.ibm.com>
33847         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
33848         for built-in functions
33849         vector signed char vec_nabs (vector signed char)
33850         vector signed short vec_nabs (vector signed short)
33851         vector signed int vec_nabs (vector signed int)
33852         vector signed long long vec_nabs (vector signed long long)
33853         vector float vec_nabs (vector float)
33854         vector double vec_nabs (vector double)
33855         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
33856         and NABS overload.
33857         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
33858         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
33859         * doc/extend.texi: Update the documentation file for the new built-in
33860         functions.
33862 2017-01-16  Martin Sebor  <msebor@redhat.com>
33864         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
33865         message.
33867 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33869         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
33870         UNSPEC_VSX__XXSPLTD to require special splat handling.
33872 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
33874         PR bootstrap/78616
33875         * system.h: Poison strndup.
33877 2017-01-16  Alan Modra  <amodra@gmail.com>
33879         PR target/79098
33880         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
33881         use a switch.
33883 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
33885         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
33887 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
33889         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
33890         call recog here.  Assert that INSN_CODE (insn) is non-negative.
33892 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
33894         PR target/72749
33895         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
33896         fallthrough.
33897         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
33898         in the currently scheduled RTL fragment.
33900 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
33902         PR rtl-optimization/78751
33903         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
33904         give up.
33906 2017-01-14  Jeff Law  <law@redhat.com>
33908         PR tree-optimization/79090
33909         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
33910         variable length stores.
33911         (compute_trims): Delete dead assignment to *trim_tail.
33912         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
33913         zero length.
33915 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
33917         PR rtl-optimization/78626
33918         PR rtl-optimization/78727
33919         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
33920         of a block, and split such blocks after everything else is finished.
33922 2017-01-14  Alan Modra  <amodra@gmail.com>
33924         PR target/72749
33925         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
33926         target legitimate_combined_insn.
33927         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
33928         (rs6000_legitimate_combined_insn): New function.
33929         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
33930         all uses.
33931         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
33932         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
33933         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
33935 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
33937         * doc/frontends.texi (G++ and GCC): Remove references to Java.
33939 2017-01-13  Jeff Law  <law@redhat.com>
33941         PR tree-optimization/33562
33942         PR tree-optimization/61912
33943         PR tree-optimization/77485
33944         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
33945         a statement.
33946         (delete_dead_assignment): Likewise.
33947         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
33948         statement to delete_dead_call and delete_dead_assignment.
33950 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
33952         PR c/78304
33953         * substring-locations.c (format_warning_va): Strengthen case 1 so
33954         that both endpoints of the substring must be within the format
33955         range for just the substring to be printed.
33957 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
33959         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
33960         * config/i386/i386.c (ix86_target_string): Add missing options
33961         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
33962         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
33963         flags_other and ix86_target_other to flags2_other.  Display unknown
33964         isa2 options.
33965         (ix86_valid_target_attribute_inner_p): Add missing options and
33966         reorder options by implied ISAs, as in ix86_target_string.
33968 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
33970         * hash-table.h (hash_table::too_empty_p): New function.
33971         (hash_table::expand): Use it.
33972         (hash_table::traverse): Likewise.
33973         (hash_table::empty_slot): Use sizeof (value_type) instead of
33974         sizeof (PTR) to convert bytes to elements.  Shrink the table
33975         if the current size is excessive for the current number of
33976         elements.
33978 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
33980         * ira-costs.c (record_reg_classes): Break from the inner loop
33981         early once alt_fail is known to be true.  Update outer loop
33982         handling accordingly.
33984 2017-01-13  Jeff Law  <law@redhat.com>
33986         * tree-ssa-dse.c (decrement_count): New function.
33987         (increment_start_addr, maybe_trim_memstar_call): Likewise.
33988         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
33989         when we know the partially dead statement is a mem* function.
33991         PR tree-optimization/61912
33992         PR tree-optimization/77485
33993         * tree-ssa-dse.c: Include expr.h.
33994         (maybe_trim_constructor_store): New function.
33995         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
33997         PR tree-optimization/33562
33998         PR tree-optimization/61912
33999         PR tree-optimization/77485
34000         * doc/invoke.texi: Document new dse-max-object-size param.
34001         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
34002         * tree-ssa-dse.c: Include params.h.
34003         (dse_store_status): New enum.
34004         (initialize_ao_ref_for_dse): New, partially extracted from
34005         dse_optimize_stmt.
34006         (valid_ao_ref_for_dse, normalize_ref): New.
34007         (setup_live_bytes_from_ref, compute_trims): Likewise.
34008         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
34009         (maybe_trim_partially_dead_store): Likewise.
34010         (maybe_trim_complex_store): Likewise.
34011         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
34012         Track what bytes live from the original store.  Return tri-state
34013         for dead, partially dead or live.
34014         (dse_dom_walker): Add constructor, destructor and new private members.
34015         (delete_dead_call, delete_dead_assignment): New extracted from
34016         dse_optimize_stmt.
34017         (dse_optimize_stmt): Make a member of dse_dom_walker.
34018         Use initialize_ao_ref_for_dse.
34020         PR tree-optimization/33562
34021         PR tree-optimization/61912
34022         PR tree-optimization/77485
34023         * sbitmap.h (bitmap_count_bits): Prototype.
34024         (bitmap_clear_range, bitmap_set_range): Likewise.
34025         * sbitmap.c (bitmap_clear_range): New function.
34026         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
34028 2017-01-13  Martin Liska  <mliska@suse.cz>
34030         PR ipa/79043
34031         * function.c (set_cfun): Add new argument force.
34032         * function.h (set_cfun): Likewise.
34033         * ipa-inline-transform.c (inline_call): Use the function when
34034         strict alising from is dropped for function we inline to.
34036 2017-01-13  Richard Biener  <rguenther@suse.de>
34038         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
34039         for dumping GIMPLE INTEGER_CSTs.
34041 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34043         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
34044         to 201112L since C++17.
34046 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
34048         PR sanitizer/78887
34049         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
34050         if -fsanitize=kernel-address is present.
34052 2017-01-13  Richard Biener  <rguenther@suse.de>
34054         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
34055         as _Literal ( type ) number in case usual suffixes do not
34056         preserve all information.
34058 2017-01-13  Richard Biener  <rguenther@suse.de>
34060         PR tree-optimization/77283
34061         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
34062         and ssa-iterators.h.
34063         (is_feasible_trace): Implement a cost model based on joiner
34064         PHI node uses.
34066 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
34068         PR target/79004
34069         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
34070         char or short to __float128/_Float128 directly.
34072 2017-01-12  Martin Sebor  <msebor@redhat.com>
34074         to -Wformat-overflow.
34075         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
34076         (min_bytes_remaining): Same.
34077         (get_string_length): Same.
34078         (format_string): Same.
34079         (format_directive): Same.
34080         (add_bytes): Same.
34081         (pass_sprintf_length::handle_gimple_call): Same.
34083 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
34085         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
34086         info.nowrite calls with no lhs that can't throw.  Return bool
34087         whether gsi_remove has been called or not.
34088         (pass_sprintf_length::handle_gimple_call): Return bool whether
34089         try_substitute_return_value called gsi_remove.  Formatting fix.
34090         (pass_sprintf_length::execute): Don't use gsi_remove if
34091         handle_gimple_call returned true.
34093         PR bootstrap/79069
34094         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
34095         be removed due to side-effects, don't remove following barrier nor
34096         turn the successor edge into fallthru edge.
34098 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
34100         PR target/79044
34101         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
34102         element-reversing loads and stores as not swappable.
34104 2017-01-12  Nathan Sidwell  <nathan@acm.org>
34105             Nicolai Stange  <nicstange@gmail.com>
34107         * combine.c (try_combine): Don't ignore result of overlap checking
34108         loop.  Combine overlap & asm check into single loop.
34110 2017-01-12  Richard Biener  <rguenther@suse.de>
34112         * tree-pretty-print.c (dump_generic_node): Provide -gimple
34113         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
34115 2017-01-12  Richard Biener  <rguenther@suse.de>
34117         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
34118         and TS_TARGET_OPTION directly derive from TS_BASE.
34119         * tree-core.h (tree_optimization_option): Derive from tree_base.
34120         (tree_target_option): Likewise.
34122 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
34124         * config/i386/i386.c (memory_address_length): Increase len
34125         only when rip_relative_addr_p returns false.
34127 2017-01-11  Julia Koval  <julia.koval@intel.com>
34129         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
34130         (OPTION_MASK_ISA_SGX_SET): New.
34131         (ix86_handle_option): Handle OPT_msgx.
34132         * config.gcc: Added sgxintrin.h.
34133         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
34134         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
34135         * config/i386/i386.c (ix86_target_string): Add -msgx.
34136         (PTA_SGX): New.
34137         (ix86_option_override_internal): Handle new options.
34138         (ix86_valid_target_attribute_inner_p): Add sgx.
34139         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
34140         * config/i386/i386.opt: Add msgx.
34141         * config/i386/sgxintrin.h: New file.
34142         * config/i386/x86intrin.h: Add sgxintrin.h.
34144 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
34146         PR c++/71537
34147         * fold-const.c (maybe_nonzero_address): Return 1 for function
34148         local objects.
34149         (tree_single_nonzero_warnv_p): Don't handle function local objects
34150         here.
34152         PR c++/72813
34153         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
34154         of c-header.
34156 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
34158         PR driver/78877
34159         * opts.c: Include "spellcheck.h"
34160         (struct string_fragment): New struct.
34161         (struct edit_distance_traits<const string_fragment &>): New
34162         struct.
34163         (get_closest_sanitizer_option): New function.
34164         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
34166 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
34168         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
34169         by 12.
34170         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
34171         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
34172         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
34173         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
34174         for initial die_offset if dwarf_split_debug_info.
34175         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
34176         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
34177         fields.
34178         (output_skeleton_debug_sections): Formatting fix.  Use
34179         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
34180         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
34182 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
34184         * config/arm/cortex-a53.md: Add bypasses for
34185         cortex_a53_r2f_cvt.
34186         (cortex_a53_r2f): Only use for transfers.
34187         (cortex_a53_f2r): Likewise.
34188         (cortex_a53_r2f_cvt): Add reservation for conversions.
34189         (cortex_a53_f2r_cvt): Likewise.
34191 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
34193         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
34194         to all inlined functions, change static to extern.
34196 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
34198         PR target/78253
34199         * config/arm/arm.c (legitimize_pic_address): Handle reference to
34200         weak symbol.
34201         (arm_assemble_integer): Likewise.
34203 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
34205         * config.gcc: Use new awk script to check CPU, FPU and architecture
34206         parameters for --with-... options.
34207         * config/arm/parsecpu.awk: New file
34208         * config/arm/arm-cpus.in: New file.
34209         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
34210         files.
34211         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
34212         files.
34213         * config/arm/t-arm: Update dependency rules.
34214         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
34215         of processing .def files.
34216         * config/arm/genopt.sh: Deleted.
34217         * config/arm/gentune.sh: Deleted.
34218         * config/arm/arm-cores.def: Deleted.
34219         * config/arm/arm-arches.def: Deleted.
34220         * config/arm/arm-fpus.def: Deleted.
34221         * config/arm/arm-tune.md: Regenerated.
34222         * config/arm/arm-tables.opt: Regenerated.
34223         * config/arm/arm-cpu.h: New generated file.
34224         * config/arm/arm-cpu-data.h: New generated file.
34225         * config/arm/arm-cpu-cdata.h: New generated file.
34227 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
34229         PR lto/79042
34230         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
34231         bit.
34232         (input_varpool_node): Unpack dynamically_initialized bit.
34234 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
34236         PR rtl-optimization/79032
34237         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
34238         the alignment of the adjusted memory reference against that of MODE,
34239         instead of the alignment of the original memory reference.
34241 2017-01-11  Martin Jambor  <mjambor@suse.cz>
34243         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
34244         test.
34245         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
34246         decorated functions.
34248 2017-01-11  Richard Biener  <rguenther@suse.de>
34250         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
34251         set range/nonnull info for PHI results.  Do not set it on
34252         stmts marked for removal.
34254 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
34256         * expr.c (store_field): In the bitfield case, fetch the return value
34257         from the registers before applying a single big-endian adjustment.
34258         Always do a final load for a BLKmode value not larger than a word.
34260 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
34262         PR c++/77949
34263         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
34264         that we correctly handle column numbers greater than
34265         LINE_MAP_MAX_COLUMN_NUMBER.
34267 2017-01-10  Martin Sebor  <msebor@redhat.com>
34269         PR middle-end/78245
34270         * gimple-ssa-sprintf.c (get_destination_size): Call
34271         {init,fini}object_sizes.
34272         * tree-object-size.c (addr_object_size): Adjust.
34273         (pass_through_call): Adjust.
34274         (pass_object_sizes::execute): Adjust.
34275         * tree-object-size.h (fini_object_sizes): Declare.
34277 2017-01-10  Martin Sebor  <msebor@redhat.com>
34279         PR tree-optimization/78775
34280         * builtins.c (get_size_range): Move...
34281         * calls.c: ...to here.
34282         (alloc_max_size): Accept zero argument.
34283         (operand_signed_p): Remove.
34284         (maybe_warn_alloc_args_overflow): Call get_size_range.
34285         * calls.h (get_size_range): Declare.
34287 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
34289         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
34290         from TI's devices.csv file as of September 2016.
34291         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
34293 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
34295         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
34296         * doc/invoke.texi: Likewise.
34297         * doc/md.texi: Likewise.
34298         * doc/objc.texi: Likewise.
34300 2017-01-10  Joshua Conner  <joshconner@google.com>
34302         * config/arm/fuchsia-elf.h: New file.
34303         * config/fuchsia.h: New file.
34304         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
34305         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
34306         targets.
34307         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
34309 2016-01-10  Richard Biener  <rguenther@suse.de>
34311         PR tree-optimization/79034
34312         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
34313         Propagate out degenerate PHIs in the joiner.
34315 2017-01-10  Martin Liska  <mliska@suse.cz>
34317         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
34318         (sort_congruence_classes_by_decl_uid): Likewise.
34319         (sort_congruence_class_groups_by_decl_uid): Likewise.
34320         (sem_item_optimizer::merge_classes): Sort class, groups in these
34321         classes and members in the groups by DECL_UID of declarations.
34322         This would make merge operations stable.
34324 2017-01-10  Martin Liska  <mliska@suse.cz>
34326         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
34327         usage of m_classes_vec.
34328         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
34329         (sem_item_optimizer::get_group_by_hash): Likewise.
34330         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
34331         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
34332         (sem_item_optimizer::verify_classes): Likewise.
34333         (sem_item_optimizer::process_cong_reduction): Likewise.
34334         (sem_item_optimizer::dump_cong_classes): Likewise.
34335         (sem_item_optimizer::merge_classes): Likewise.
34336         * ipa-icf.h (congruence_class_hash): Rename from
34337         congruence_class_group_hash.  Remove declaration of m_classes_vec.
34339 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
34341         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
34342         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
34343         * config.gcc: Add avx512vpopcntdqintrin.h.
34344         * config/i386/avx512vpopcntdqintrin.h: New.
34345         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
34346         * config/i386/i386-builtin-types.def: Add new types.
34347         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
34348         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
34349         __builtin_ia32_vpopcountq_v8di_mask): New.
34350         * config/i386/i386-c.c (ix86_target_macros_internal): Define
34351         __AVX512VPOPCNTDQ__.
34352         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
34353         (PTA_AVX512VPOPCNTDQ): Define.
34354         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
34355         TARGET_AVX512VPOPCNTDQ_P): Define.
34356         * config/i386/i386.opt: Add mavx512vpopcntdq.
34357         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
34358         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
34360 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
34362         PR middle-end/77484
34363         * predict.def (PRED_CALL): Set to 67.
34365 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
34367         * expr.c (store_field): In the bitfield case, if the value comes from
34368         a function call and is of an aggregate type returned in registers, do
34369         not modify the field mode; extract the value in all cases if the mode
34370         is BLKmode and the size is not larger than a word.
34372 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
34374         PR target/71017
34375         * config/i386/cpuid.h: Fix undefined behavior.
34377 2017-01-04  Jeff Law  <law@redhat.com>
34379         PR tree-optimization/79007
34380         PR tree-optimization/67955
34381         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
34382         conservative for pt.null when flag_non_call_exceptions is on.
34384 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
34386         PR translation/79019
34387         PR translation/79020
34388         * params.def (PARAM_INLINE_MIN_SPEEDUP,
34389         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
34390         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
34391         in descriptions.
34392         * config/avr/avr.opt (maccumulate-args): Likewise.
34393         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
34394         * common.opt (freport-bug): Likewise.
34395         * cif-code.def (CIF_FINAL_ERROR): Likewise.
34396         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
34397         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
34398         translatable string.
34399         * config/i386/i386.c (function_value_32): Likewise.
34400         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
34401         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
34402         Likewise.
34403         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
34404         * common/config/msp430/msp430-common.c (msp430_handle_option):
34405         Likewise.
34406         * symtab.c (symtab_node::verify_base): Likewise.
34407         * opts.c (set_debug_level): Likewise.
34408         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
34409         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
34410         missing whitespace to translatable strings.
34411         * config/avr/avr.md (bswapsi2): Fix typo in comment.
34412         * config/sh/superh.h: Likewise.
34413         * config/i386/xopintrin.h: Likewise.
34414         * config/i386/znver1.md: Likewise.
34415         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
34416         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
34417         * double-int.h (struct double_int): Likewise.
34418         * double-int.c (div_and_round_double): Likewise.
34419         * wide-int.cc: Likewise.
34420         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
34421         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
34422         * cfgcleanup.c (crossjumps_occured): Renamed to ...
34423         (crossjumps_occurred): ... this.
34424         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
34425         Adjust all uses.
34427         PR tree-optimization/78899
34428         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
34429         returning bool return struct loop *, NULL for failure and the new
34430         loop on success.
34431         (versionable_outer_loop_p): Don't version outer loop if it has
34432         dont_vectorized bit set.
34433         (tree_if_conversion): When versioning outer loop, ensure
34434         tree_if_conversion is performed also on the inner loop of the
34435         non-vectorizable outer loop copy.
34436         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
34437         LOOP_VECTORIZED in inner loop of the scalar outer loop and
34438         prevent vectorization of it.
34439         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
34440         the outer loop vectorization of the non-scalar version is attempted
34441         before vectorization of the inner loop in scalar version.  If
34442         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
34443         vectorization of its inner loop.
34444         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
34445         has 2 inner loops, rename also on edges from bb whose single pred
34446         is outer_loop->header.  Fix typo in function comment.
34448 2017-01-09  Martin Sebor  <msebor@redhat.com>
34450         PR bootstrap/79033
34451         * asan.c (asan_emit_stack_protection): Increase local buffer size
34452         to avoid snprintf truncation warning.
34454 2017-01-09  Andrew Pinski  <apinski@cavium.com>
34456         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
34457         to reference thunderx2t99 for the tuning structure
34458         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
34459         Rename to ...
34460         (thunderx2t99_extra_costs): This.
34461         * config/aarch64/aarch64-tune.md: Regenerate.
34462         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
34463         (vulcan_addrcost_table): This.
34464         (vulcan_regmove_cost): Rename to ...
34465         (thunderx2t99_regmove_cost): This.
34466         (vulcan_vector_cost): Rename to ...
34467         (thunderx2t99_vector_cost): this.
34468         (vulcan_branch_cost): Rename to ...
34469         (thunderx2t99_branch_cost): This.
34470         (vulcan_tunings): Rename to ...
34471         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
34472         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
34474 2017-01-09  Martin Jambor  <mjambor@suse.cz>
34476         PR ipa/78365
34477         PR ipa/78599
34478         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
34479         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
34480         (propagate_vr_accross_jump_function): Use the above function for all
34481         value range computations for pass-through jump functions and type
34482         converasion from explicit value range values.
34483         (ipcp_propagate_stage): Do not attempt to deduce types of formal
34484         parameters from TYPE_ARG_TYPES.
34485         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
34486         (ipa_write_node_info): Stream type of the actual argument.
34487         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
34489 2017-01-09  Martin Liska  <mliska@suse.cz>
34491         PR pch/78970
34492         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
34493         (lookup_compiler): Do not show error message with have_E.
34495 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
34497         PR tree-optimization/78938
34498         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
34499         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
34500         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
34501         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
34502         fixes.
34504 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
34506         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
34507         is const0_rtx.
34509 2017-01-09  Richard Biener  <rguenther@suse.de>
34511         PR tree-optimization/78997
34512         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
34513         name condition properly.
34515 2017-01-09  Richard Biener  <rguenther@suse.de>
34517         PR debug/79000
34518         * dwarf2out.c (is_cxx): New overload with context.
34519         (is_naming_typedef_decl): Use it.
34521 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
34523         * invoke.texi (Option Summary): Correct spacing in option lists
34524         and add line breaks to fix over-long lines.
34526 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
34528         PR middle-end/17660
34530         * extend.texi (Common Variable Attributes): Add xref to GCC
34531         Internals manual to explain mode attribute keywords.
34533 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
34535         PR other/16519
34536         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
34537         and Preprocessor Options.
34538         (Options for Linking): Document -pthread here....
34539         (RS/6000 and PowerPC Options): ...not here.
34540         (Solaris 2 Options): ...or here.
34541         * doc/cppopts.texi: Document -pthread.
34543 2017-01-08  Martin Sebor  <msebor@redhat.com>
34545         PR middle-end/77708
34546         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
34547         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
34548         New member functions.
34549         (format_directive): Used them.
34550         (add_bytes): Same.
34551         (pass_sprintf_length::handle_gimple_call): Same.
34552         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
34553         to avoid truncation for any argument.
34554         (extract_affine_mul): Same.
34555         * tree.c (get_file_function_name): Same.
34557 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
34559         PR middle-end/77484
34560         * predict.def (PRED_INDIR_CALL): Set to 86.
34562 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
34564         PR preprocessor/54124
34565         * doc/cppopts.texi: Reformat -d subtable to list the full name
34566         of the options.  Add cross-reference to the docs for the general
34567         compiler -d options.
34568         * doc/invoke.texi (Developer Options): Add cross-reference to the
34569         preprocessor-specific -d option documentation.
34571 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
34573         PR preprocessor/13498
34574         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
34575         redudant material, and reflect new command-line options.
34576         (System Headers): Likewise.
34578 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
34580         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
34581         -isystem, and -idirafter.  Copy-edit.
34582         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
34583         default for -ftrack-macro-expansion.  Delete obsolete and
34584         badly-formatted implementation details about -fdebug-cpp output.
34585         * doc/cppwarnopts.texi: Copy-edit.
34587 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
34589         PR c++/72803
34590         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
34591         that the transition from a max line width >= 1<<10 to narrower
34592         lines works correctly.
34594 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
34596         * doc/options.texi (PerFunction): New.
34597         * opt-functions.awk (switch_flags): Map both Optimization and
34598         PerFunction to CL_OPTIMIZATION.
34599         * opth-gen.awk: Test for PerFunction flag along with
34600         Optimization.
34601         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
34602         it only when the latter is present.  Skip those that don't in
34603         the hash function generator.
34604         * common.opt (fvar-tracking): Mark as PerFunction instead of
34605         Optimization.
34606         (fvar-tracking-assignments): Likewise.
34607         (fvar-tracking-assignments-toggle): Likewise.
34608         (fvar-tracking-uninit): Likewise.
34610 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
34612         PR translation/79018
34613         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
34614         the and store.
34616 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
34618         PR target/57583
34619         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
34620         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
34621         TARGET_LONG_JUMP_TABLE_OFFSETS.
34622         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
34623         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
34624         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
34625         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
34626         * config/m68k/m68k.md (tablejump expander): Likewise.
34627         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
34628         TARGET_LONG_JUMP_TABLE_OFFSETS.
34629         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
34630         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
34632 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
34633             David Holsgrove <david.holsgrove@xilinx.com>
34635         * common/config/microblaze/microblaze-common.c
34636         (TARGET_EXCEPT_UNWIND_INFO): Remove.
34637         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
34638         New prototype.
34639         * config/microblaze/microblaze.c (microblaze_must_save_register)
34640         (microblaze_expand_epilogue, microblaze_return_addr): Handle
34641         calls_eh_return.
34642         (microblaze_eh_return): New function.
34643         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
34644         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
34645         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
34646         * config/microblaze/microblaze.md (eh_return): New pattern.
34648 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
34650         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
34651         GCC_DIAGNOSTIC_STRINGIFY): Define.
34653         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
34655 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34657         * config/arm/arm.md (<mcrr>): New.
34658         (<mrrc>): New.
34659         * config/arm/arm.c (arm_arch5te): New.
34660         (arm_option_override): Set arm_arch5te.
34661         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
34662         and mrrc2.
34663         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
34664         (arm_mcrr_qualifiers): ... this. New.
34665         (MRRC_QUALIFIERS): Define to...
34666         (arm_mrrc_qualifiers): ... this. New.
34667         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
34668         __arm_mrrc2): New.
34669         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
34670         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
34671         (MRRCI, mrrc, MRRC): New.
34672         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
34673         VUNSPEC_MRRC2): New.
34675 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34677         * config/arm/arm.md (<mcr>): New.
34678         (<mrc>): New.
34679         * config/arm/arm.c (arm_coproc_builtin_available): Add
34680         support for mcr, mrc, mcr2 and mrc2.
34681         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
34682         (arm_mcr_qualifiers): ... this. New.
34683         (MRC_QUALIFIERS): Define to ...
34684         (arm_mrc_qualifiers): ... this. New.
34685         (MCR_QUALIFIERS): Define to ...
34686         (arm_mcr_qualifiers): ... this. New.
34687         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
34688         __arm_mrc2): New.
34689         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
34690         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
34691         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
34692         VUNSPEC_MRC2): New.
34694 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34696         * config/arm/arm.md (*ldc): New.
34697         (*stc): New.
34698         (<ldc>): New.
34699         (<stc>): New.
34700         * config/arm/arm.c (arm_coproc_builtin_available): Add
34701         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
34702         (arm_coproc_ldc_stc_legitimate_address): New.
34703         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
34704         'qualifier_const_pointer'.
34705         (LDC_QUALIFIERS): Define to...
34706         (arm_ldc_qualifiers): ... this. New.
34707         (STC_QUALIFIERS): Define to...
34708         (arm_stc_qualifiers): ... this. New.
34709         * config/arm/arm-protos.h
34710         (arm_coproc_ldc_stc_legitimate_address): New.
34711         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
34712         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
34713         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
34714         stc2, stcl, stc2l): New.
34715         * config/arm/constraints.md (Uz): New.
34716         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
34717         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
34718         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
34719         VUNSPEC_STC2L): New.
34721 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34723         * config/arm/arm.md (<cdp>): New.
34724         * config/arm/arm.c (neon_const_bounds): Rename this ...
34725         (arm_const_bounds): ... this.
34726         (arm_coproc_builtin_available): New.
34727         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
34728         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
34729         (CDP_QUALIFIERS): Define to...
34730         (arm_cdp_qualifiers): ... this. New.
34731         (void_UP): Define.
34732         (arm_expand_builtin_args): Add case for 6 arguments.
34733         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
34734         (arm_const_bounds): ... this.
34735         (arm_coproc_builtin_available): New.
34736         * config/arm/arm_acle.h (__arm_cdp): New.
34737         (__arm_cdp2): New.
34738         * config/arm/arm_acle_builtins.def (cdp): New.
34739         (cdp2): New.
34740         * config/arm/iterators.md (CDPI,CDP,cdp): New.
34741         * config/arm/neon.md: Rename all 'neon_const_bounds' to
34742         'arm_const_bounds'.
34743         * config/arm/types.md (coproc): New.
34744         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
34745         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
34746         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
34747         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
34749 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34751         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
34752         (UBINOP_QUALIFIERS): New.
34753         (si_UP): Define.
34754         (acle_builtin_data): New. Change comment.
34755         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
34756         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
34757         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
34758         arm_acle_builtins.def.
34759         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
34760         (arm_init_acle_builtins): New.
34761         (CRC32_BUILTIN): Remove.
34762         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
34763         crc32cb, crc32ch and crc32cw.
34764         (arm_init_crc32_builtins): Remove.
34765         (arm_init_builtins): Use arm_init_acle_builtins rather
34766         than arm_init_crc32_builtins.
34767         (arm_expand_acle_builtin): New.
34768         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
34769         * config/arm/arm_acle_builtins.def: New.
34771 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
34773         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
34774         (arm_builtin_datum): ... this.
34775         (arm_init_neon_builtin): Rename to ...
34776         (arm_init_builtin): ... this. Add a new parameters PREFIX
34777         and USE_SIG_IN_NAME.
34778         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
34779         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
34780         'arm_builtin_datum'.
34781         (arm_init_vfp_builtins): Likewise.
34782         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
34783         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
34784         (arm_expand_neon_args): Rename to ...
34785         (arm_expand_builtin_args): ... this. Rename builtin_arg
34786         enum values and differentiate between ARG_BUILTIN_MEMORY
34787         and ARG_BUILTIN_NEON_MEMORY.
34788         (arm_expand_neon_builtin_1): Rename to ...
34789         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
34790         values, arm_expand_builtin_args and add bool parameter NEON.
34791         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
34792         (arm_expand_vfp_builtin): Likewise.
34793         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
34795 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
34797         PR middle-end/77484
34798         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
34799         * predict.c (tree_estimate_probability_bb): Reverse direction of
34800         polymorphic call predictor.
34802 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
34804         * passes.c (execute_one_pass): Split out pass-skipping logic into...
34805         (determine_pass_name_match): ...this new function and...
34806         (should_skip_pass_p): ...this new function.
34808 2017-01-06  Nathan Sidwell  <nathan@acm.org>
34810         * ipa-visibility.c (function_and_variable_visibility): Reformat
34811         comments and long lines.  Remove extrneous if.
34812         * symtab.c (symtab_node::make_decl_local): Fix code format.
34813         (symtab_node::set_section_for_node): Fix comment typo.
34815 2017-01-06  Martin Liska  <mliska@suse.cz>
34817         PR bootstrap/79003
34818         * lra-constraints.c: Rename invariant to lra_invariant.
34819         * predict.c (set_even_probabilities): Initialize e to NULL.
34821 2017-01-05  Martin Sebor  <msebor@redhat.com>
34823         PR tree-optimization/78910
34824         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
34825         (format_integer): Correct off-by-one error in the handling
34826         of precision with negative numbers in signed conversions..
34828 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
34830         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
34832 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
34834         PR tree-optimization/71016
34835         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
34836         factor_out_conditional_conversion.  Formatting fix.
34837         (factor_out_conditional_conversion): Add cond_stmt argument.
34838         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
34839         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
34840         Formatting fix.
34842 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
34844         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
34845         read-rtl-function.o, and selftest-rtl.o.
34846         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
34847         (selftest::aarch64_test_loading_full_dump): New function.
34848         (selftest::aarch64_run_selftests): New function.
34849         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
34850         selftest::aarch64_run_selftests.
34851         * config/i386/i386.c
34852         (selftest::ix86_test_loading_dump_fragment_1): New function.
34853         (selftest::ix86_test_loading_call_insn): New function.
34854         (selftest::ix86_test_loading_full_dump): New function.
34855         (selftest::ix86_test_loading_unspec): New function.
34856         (selftest::ix86_run_selftests): Call the new functions.
34857         * emit-rtl.c (maybe_set_max_label_num): New function.
34858         * emit-rtl.h (maybe_set_max_label_num): New decl.
34859         * function.c (instantiate_decls): Guard call to
34860         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
34861         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
34862         "static".
34863         * gensupport.c (gen_reader::gen_reader): Pass "false"
34864         for new "compact" param of rtx_reader.
34865         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
34866         rather than an empty string for NULL strings.
34867         * read-md.c: Potentially include config.h rather than bconfig.h.
34868         Wrap include of errors.h with #ifdef GENERATOR_FILE.
34869         (have_error): New global, copied from errors.c.
34870         (md_reader::read_name): Rename to...
34871         (md_reader::read_name_1): ...this, adding "out_loc" param,
34872         and converting "missing name or number" to returning false, rather
34873         than failing.
34874         (md_reader::read_name): Reimplement in terms of read_name_1.
34875         (md_reader::read_name_or_nil): New function.
34876         (md_reader::read_string): Handle "(nil)" by returning NULL.
34877         (md_reader::md_reader): Add new param "compact".
34878         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
34879         (md_reader::read_file): New method.
34880         * read-md.h (md_reader::md_reader): Add new param "compact".
34881         (md_reader::read_file): New method.
34882         (md_reader::is_compact): New accessor.
34883         (md_reader::read_name): Convert return type from void to file_location.
34884         (md_reader::read_name_or_nil): New decl.
34885         (md_reader::read_name_1): New decl.
34886         (md_reader::m_compact): New field.
34887         (noop_reader::noop_reader): Pass "false" for new "compact" param
34888         of rtx_reader.
34889         (rtx_reader::rtx_reader): Add new "compact" param.
34890         (rtx_reader::read_rtx_operand): Make virtual and convert return
34891         type from void to rtx.
34892         (rtx_reader::read_until): New decl.
34893         (rtx_reader::handle_any_trailing_information): New virtual function.
34894         (rtx_reader::postprocess): New virtual function.
34895         (rtx_reader::finalize_string): New virtual function.
34896         (rtx_reader::m_in_call_function_usage): New field.
34897         (rtx_reader::m_reuse_rtx_by_id): New field.
34898         * read-rtl-function.c: New file.
34899         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
34900         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
34901         (selftest::verify_three_block_rtl_cfg): New decl.
34902         * read-rtl-function.h: New file.
34903         * read-rtl.c: Potentially include config.h rather than bconfig.h.
34904         For host, include function.h, memmodel.h, and emit-rtl.h.
34905         (one_time_initialization): New function.
34906         (struct compact_insn_name): New struct.
34907         (compact_insn_names): New array.
34908         (find_code): Handle insn codes in compact dumps.
34909         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
34910         (bind_subst_iter_and_attr): Likewise.
34911         (add_condition_to_string): Likewise.
34912         (add_condition_to_rtx): Likewise.
34913         (apply_attribute_uses): Likewise.
34914         (add_current_iterators): Likewise.
34915         (apply_iterators): Likewise.
34916         (initialize_iterators): Guard usage of apply_subst_iterator with
34917         #ifdef GENERATOR_FILE.
34918         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
34919         (md_reader::read_mapping): Likewise.
34920         (add_define_attr_for_define_subst): Likewise.
34921         (add_define_subst_attr): Likewise.
34922         (read_subst_mapping): Likewise.
34923         (check_code_iterator): Likewise.
34924         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
34925         logic to...
34926         (one_time_initialization): New function.
34927         (rtx_reader::read_until): New method.
34928         (read_flags): New function.
34929         (parse_reg_note_name): New function.
34930         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
34931         Handle reuse_rtx ids.
34932         Wrap iterator lookup within #ifdef GENERATOR_FILE.
34933         Add parsing support for RTL dumps, mirroring the special-cases in
34934         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
34935         values, and calling handle_any_trailing_information.
34936         (rtx_reader::read_rtx_operand): Convert return type from void
34937         to rtx, returning return_rtx.  Handle case 'e'.  Call
34938         finalize_string on XSTR and XTMPL fields.
34939         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
34940          "(nil)" values were omitted.  Call the postprocess vfunc on the
34941         return_rtx.
34942         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
34943         class ctor.  Initialize m_in_call_function_usage.  Call
34944         one_time_initialization.
34945         * rtl-tests.c (selftest::test_uncond_jump): Call
34946         set_new_first_and_last_insn.
34947         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
34948         * selftest-rtl.c: New file.
34949         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
34950         (selftest::get_insn_by_uid): New decl.
34951         * selftest-run-tests.c (selftest::run_tests): Call
34952         read_rtl_function_c_tests.
34953         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
34954         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
34955         dumps.
34957 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
34959         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
34960         operands in a special way.  Assert that pos+len <= mode precision.
34962 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
34964         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
34965         3 argument Alias with unlimited for the negative form.
34966         (fno-vect-cost-model): Removed.
34968 2017-01-05  Martin Liska  <mliska@suse.cz>
34970         * hsa-gen.c (gen_hsa_divmod): New function.
34971         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
34973 2017-01-05  Martin Liska  <mliska@suse.cz>
34975         PR pch/78970
34976         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
34977         header.
34979 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
34981         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
34982         small constant length operands.
34984 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
34986         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
34987         between loop iterations.
34989 2017-01-05  Martin Liska  <mliska@suse.cz>
34991         PR sanitizer/78815
34992         * gimplify.c (gimplify_decl_expr): Compare to
34993         asan_poisoned_variables instread of checking flags.
34994         (gimplify_target_expr): Likewise.
34995         (gimplify_expr): Likewise.
34996         (gimplify_function_tree): Conditionally initialize
34997         asan_poisoned_variables.
34999 2017-01-04  Jeff Law  <law@redhat.com>
35001         PR tree-optimizatin/78812
35002         * rtl.h (contains_mem_rtx_p): Prototype.
35003         * ifcvt.c (containts_mem_rtx_p): Move from here to...
35004         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
35005         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
35006         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
35007         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
35009 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
35011         * input.c (assert_char_at_range): Default-initialize actual_range.
35013 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
35015         * df-scan.c (df_ref_create_structure): Make regno unsigned,
35016         to match the caller.
35018 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
35020         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
35021         insns after final jump in test to emit dummy move.
35023 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
35025         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
35026         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
35028 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
35030         * multiple_target.c (create_dispatcher_calls): Init e_next.
35031         * tree-ssa-loop-split.c (split_loop): Init border.
35032         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
35033         scalar_type.
35035 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
35037         PR target/71977
35038         PR target/70568
35039         PR target/78823
35040         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
35041         (altivec_register_operand): Do not return true if the operand
35042         contains a SUBREG mixing SImode and SFmode.
35043         (vsx_register_operand): Likewise.
35044         (vsx_reg_sfsubreg_ok): New predicate.
35045         (vfloat_operand): Do not return true if the operand contains a
35046         SUBREG mixing SImode and SFmode.
35047         (vint_operand): Likewise.
35048         (vlogical_operand): Likewise.
35049         (gpc_reg_operand): Likewise.
35050         (int_reg_operand): Likewise.
35051         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
35052         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
35053         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
35054         SImode and SFmode.
35055         (rs6000_emit_move_si_sf_subreg): New helper function.
35056         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
35057         fixup SUBREGs involving SImode and SFmode.
35058         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
35059         numbers for the new peephole2 optimization.
35060         (peephole2 for SFmode unions): New peephole2 to optimize cases in
35061         the GLIBC math library that do AND/IOR/XOR operations on single
35062         precision floating point.
35063         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
35064         target macros to say whether we need to avoid SUBREGs mixing
35065         SImode and SFmode.
35066         (TARGET_ALLOW_SF_SUBREG): Likewise.
35067         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
35068         (UNSPEC_SI_FROM_SF): Likewise.
35069         (iorxor): Change spacing.
35070         (and_ior_xor): New iterator for AND, IOR, and XOR.
35071         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
35072         (movdi_from_sf_zero_ext): Likewise.
35073         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
35074         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
35075         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
35076         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
35077         (fms<mode>4): Likewise.
35078         (fnma<mode>4): Likewise.
35079         (fnms<mode>4): Likewise.
35080         (nfma<mode>4): Likewise.
35081         (nfms<mode>4): Likewise.
35083 2017-01-04  Marek Polacek  <polacek@redhat.com>
35085         PR c++/64767
35086         * doc/invoke.texi: Document -Wpointer-compare.
35088 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
35090         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
35091         RejectNegative.
35093         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
35094         descriptions for -gdwarf-5 and emit them as uleb128 instead of
35095         2-byte data.
35097 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
35099         PR target/78056
35100         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
35101         documentation of the powerpc_popcntb_ok attribute.
35102         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
35103         code to issue warning messages if a requested CPU configuration is
35104         not supported by the binary (assembler and loader) toolchain.
35105         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
35106         made to define a built-in function that has been disabled.
35107         (paired_init_builtins): Add assertion to prevent ICE if attempt is
35108         made to define a built-in function that has been disabled.
35109         (altivec_init_builtins): Add comment explaining why definition
35110         of the DST built-in functions is not preceded by an assertion
35111         check.  Add assertions to prevent ICE if attempts are made to
35112         define an altivec predicate or an abs* built-in function that has
35113         been disabled.
35114         (htm_init_builtins): Add comment explaining why definition of the
35115         htm built-in functions is not preceded by an assertion check.
35117 2017-01-04  Jeff Law  <law@redhat.com>
35119         PR tree-optimizatin/67955
35120         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
35121         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
35122         the points-to solution does not include pt_null.  Use DECL_PT_UID
35123         unconditionally.
35125 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
35127         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
35128         Use gen_int_mode instead of gen_lopwart for const_int operands.
35130 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
35132         PR tree-optimization/71563
35133         * match.pd: Simplify X << Y into X if Y is known to be 0 or
35134         out of range value - has low bits known to be zero.
35136 2017-01-04  Alan Modra  <amodra@gmail.com>
35138         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
35139         * configure: Regenerate.
35140         * config.in: Regenerate.
35142 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
35144         PR bootstrap/77569
35145         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
35146         a substring of the message, but strcmp with the whole message.  Ifdef
35147         ENABLE_NLS, translate the message first using dgettext.
35149 2017-01-03  Jeff Law  <law@redhat.com>
35151         PR tree-optimizatin/78856
35152         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
35153         (mark_threaded_blocks): Remove code to truncate thread paths that
35154         cross multiple loop headers.  Instead invalidate the cached loop
35155         iteration information and handle case of a thread path walking
35156         into an irreducible region.
35158 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
35160         PR target/78900
35161         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
35162         assertions.  Add support for doing the signbit if the IEEE 128-bit
35163         floating point value is in a GPR.
35164         * config/rs6000/rs6000.md (Fsignbit): Delete.
35165         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
35166         Update the length attribute if the value is in a GPR.
35167         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
35168         the sign or zero extension instruction, since the value is always 0/1.
35169         (signbit<mode>2_dm2): Delete using <Fsignbit>.
35171         PR target/78953
35172         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
35173         extracting SImode to a GPR register so that we can generate a
35174         store, limit the vector to be in a traditional Altivec register
35175         for the vextuwrx instruction.
35177 2017-01-03  Ian Lance Taylor  <iant@google.com>
35179         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
35181 2017-01-03  Martin Sebor  <msebor@redhat.com>
35183         PR tree-optimization/78696
35184         * gimple-ssa-sprintf.c (format_floating): Correct handling of
35185         precision.  Use MPFR for %f for greater fidelity.  Correct handling
35186         of %g.
35187         (pass_sprintf_length::compute_format_length): Set width and precision
35188         specified by asrerisk to void_node for vararg functions.
35189         (try_substitute_return_value): Adjust dump output.
35191 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
35193         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
35195 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
35197         * doc/invoke.texi (SPARC options): Document -mlra as the default.
35198         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
35199         -mlra/-mno-lra was passed to the compiler.
35201 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
35203         PR rtl-optimization/65618
35204         * emit-rtl.c (try_split): Move initialization of "before" and
35205         "after" to just before the call to emit_insn_after_setloc.
35207 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
35209         * doc/md.texi (Standard Names): Remove reference to Java frontend.
35211 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
35213         * dwarf2out.c (gen_enumeration_type_die): When
35214         -gno-strict-dwarf, add a DW_AT_encoding attribute.
35216 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
35218         PR tree-optimization/78965
35219         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
35220         Change first argument from const call_info & to call_info &.  For %n
35221         set info.nowrite to false.
35223         PR middle-end/78901
35224         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
35225         possibly throwing calls.
35227         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
35228         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
35229         and fns handling, rather than in a separate case SSA_NAME.
35231 2017-01-02  Jeff Law  <law@redhat.com>
35233         * config/darwin-driver.c (darwin_driver_init): Const-correctness
35234         fixes for first_period and second_period variables.
35236 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
35238         PR target/78967
35239         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
35240         (*insvqi_1): New insn pattern.
35241         (*insvqi_1_mem_rex64): Ditto.
35242         (*insvqi_2): Ditto.
35243         (*insvqi_3): Rename from *insvqi.
35245         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
35247 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
35249         * doc/cfg.texi (Edges): Remove reference to Java.
35250         (Maintaining the CFG): Ditto.
35252 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
35254         PR middle-end/77674
35255         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
35256         transparent aliases.
35258 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
35260         PR middle-end/77484
35261         * predict.def (PRED_CALL): Update hitrate.
35262         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
35263         * predict.c (tree_estimate_probability_bb): Split CALL predictor
35264         into direct/indirect/polymorphic variants.
35266 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
35268         Update copyright years.
35270         * gcc.c (process_command): Update copyright notice dates.
35271         * gcov-dump.c (print_version): Ditto.
35272         * gcov.c (print_version): Ditto.
35273         * gcov-tool.c (print_version): Ditto.
35274         * gengtype.c (create_file): Ditto.
35275         * doc/cpp.texi: Bump @copying's copyright year.
35276         * doc/cppinternals.texi: Ditto.
35277         * doc/gcc.texi: Ditto.
35278         * doc/gccint.texi: Ditto.
35279         * doc/gcov.texi: Ditto.
35280         * doc/install.texi: Ditto.
35281         * doc/invoke.texi: Ditto.
35283 Copyright (C) 2017 Free Software Foundation, Inc.
35285 Copying and distribution of this file, with or without modification,
35286 are permitted in any medium without royalty provided the copyright
35287 notice and this notice are preserved.