PR rtl-optimization/71673
[official-gcc.git] / gcc / ChangeLog
blob338c60331d03b5b45328439484fe5285b23bbe73
1 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
3         PR rtl-optimization/71673
4         * internal-fn.c (expand_arith_overflow_result_store): Use
5         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
6         expand_simple_binop.
8         PR middle-end/66867
9         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
10         expand_ifn_atomic_compare_exchange): New functions.
11         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
12         * tree.h (build_call_expr_internal_loc): Rename to ...
13         (build_call_expr_internal_loc_array): ... this.  Fix up type of
14         last argument.
15         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
16         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
17         ATOMIC_COMPARE_EXCHANGE result.
18         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
19         * gimple-fold.h (optimize_atomic_compare_exchange_p,
20         fold_builtin_atomic_compare_exchange): New prototypes.
21         * gimple-fold.c (optimize_atomic_compare_exchange_p,
22         fold_builtin_atomic_compare_exchange): New functions..
23         * tree-ssa.c (execute_update_addresses_taken): If
24         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
25         of call when finding addressable vars, and if such var becomes
26         non-addressable, call fold_builtin_atomic_compare_exchange.
28 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
30         PR target/71670
31         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
32         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
34 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
36         * config/rs6000/rs6000.md ('type' attribute): Add
37         veclogical,veccmpfx,vecexts,vecmove insn types.
38         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
39         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
40         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
41         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
42         *nabs<mode>2_hw): Change type to vecmove.
43         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
44         *boolcc<mode>3_internal, *eqv<mode>3_internal,
45         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
46         *ieee_128bit_vsx_abs<mode>2_internal,
47         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
48         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
49         *ieee128_mtvsrd_32bit): Change type to veclogical.
50         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
51         *movdi_internal32, *movdi_internal64): Update insn types.
52         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
53         vsx_extract_<mode>): Change type to veclogical.
54         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
55         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
56         *vsx_sign_extend_si_v2di): Change type to vecexts.
57         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
58         type to veclogical.
59         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
60         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
61         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
62         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
63         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
64         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
65         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
66         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
67         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
68         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
69         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
70         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
71         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
72         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
73         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
74         (ppc7450-vecsimple): Add veclogical, vecmove.
75         (ppc7450-veccmp): Add veccmpfx.
76         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
77         vecmove.
78         (ppc8540_vector_compare): Add veccmpfx.
79         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
80         * config/rs6000/cell.md (cell-fp): Add fpsimple.
81         (cell-vecsimple): Add veclogical, vecmove.
82         (cell-veccmp): Add veccmpfx.
83         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
84         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
85         veccmpfx.
86         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
87         * config/rs6000/power4.md (power4-fp): Add fpsimple.
88         (power4-vecsimple): Add veclogical, vecmove.
89         (power4-veccmp): Add veccmpfx.
90         * config/rs6000/power5.md (power5-fp): Add fpsimple.
91         * config/rs6000/power6.md (power6-fp): Add fpsimple.
92         (power6-vecsimple): Add veclogical, vecmove.
93         (power6-veccmp): Add veccmpfx.
94         * config/rs6000/power7.md (power7-fp): Add fpsimple.
95         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
96         * config/rs6000/power8.md (power8-fp): Add fpsimple.
97         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
98         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
99         * config/rs6000/titan.md (titan_fp): Add fpsimple.
100         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
101         fpsimple.
102         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
104 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
106         PR target/71656
107         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
108         OPTION_MASK_P9_DFORM_VECTOR.
109         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
110         disable -mpower9-dform-vector when using reload.
111         (quad_address_p): Remove 'gpr_p' argument and all associated code.
112         New 'strict' argument.  Update all callers.  Add strict addressing
113         support.
114         (rs6000_legitimate_offset_address_p): Remove call to
115         virtual_stack_registers_memory_p.
116         (rs6000_legitimize_reload_address): Add quad address support.
117         (rs6000_legitimate_address_p): Move call to quad_address_p above
118         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
119         to account for new strict usage.
120         (rs6000_output_move_128bit): Adjust quad_address_p args to account
121         for new strict usage.
122         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
124 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
126         PR target/70902
127         PR target/71453
128         PR target/71555
129         PR target/71596
130         PR target/71657
131         * config/i386/i386.c (ix86_spill_class): Disable condition to
132         always return NO_REGS.
134 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
136         * predict.c: Include gimple-pretty-print.h
137         (predicted_by_loop_heuristics_p): Check also
138         PRED_LOOP_EXIT_WITH_RECURSION
139         (predict_loops): Find self recursive calls and use special purpose
140         predictors for them; dump log about decisions.
141         (pass_profile::execute): Dump info about #of iterations.
142         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
143         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
145 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
147         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
148         output_asm_insn calls and shorten long lines.  Output .CALL
149         argument descriptor using pa_output_arg_descriptor.  Add various
150         inline $$dyncall and other optimizations.
151         (pa_attr_length_indirect_call): Adjust ordering and lengths.
153 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
155         PR tree-optimization/71643
156         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
157         EH preds.
159         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
160         leak a bitmap if dep_bb is NULL.
162         PR tree-optimization/71631
163         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
164         to rewrite_expr_tree even if negate_result, move new_lhs var
165         declaration and initialization earlier, for powi_result set afterwards
166         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
167         if new_lhs != lhs, and don't shadow gsi var.
169 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
171         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
172         Add in_loop parameter.
173         (predict_loops): Add loop guard heuristics.
174         * predict.def (PRED_LOOP_GUARD): New heuristics.
176 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
178         * predict.c: Include ipa-utils.h
179         (tree_bb_level_prediction): Predict recursive calls.
180         (tree_estimate_probability_bb): Skip inexpensive calls for call
181         predictor.
182         * predict.def (PRED_RECURSIVE_CALL): New.
184 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
186         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
187         (BU_FLOAT128_1): Likewise.
188         (FABSQ): Likewise.
189         (COPYSIGNQ): Likewise.
190         (RS6000_BUILTIN_NANQ): Likewise.
191         (RS6000_BUILTIN_NANSQ): Likewise.
192         (RS6000_BUILTIN_INFQ): Likewise.
193         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
194         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
195         (TARGET_FOLD_BUILTIN): New #define.
196         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
197         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
198         (rs6000_fold_builtin): New target hook implementation, handling
199         folding of 128-bit NaNs and infinities.
200         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
201         entries are filled in to avoid problems during bootstrap
202         self-test; define builtins for 128-bit NaNs and infinities.
203         (rs6000_opt_mask): Add entry for float128.
204         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
205         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
206         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
207         (const_str_type_node): New #define.
208         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
209         to a define_expand that dispatches to either copysign<mode>3_soft
210         or copysign<mode>3_hard.
211         (copysign<mode>3_hard): Rename from copysign<mode>3.
212         (copysign<mode>3_soft): New define_insn.
213         * doc/extend.texi: Document new builtins.
215 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
217         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
218         PRIu64 instead of lu.
220 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
222         PR debug/71642
223         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
224         copy the type name.
226 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
228         PR tree-optimization/71647
229         * omp-low.c (lower_rec_input_clauses): Convert
230         omp_clause_aligned_alignment (c) to size_type_node for the
231         last argument of __builtin_assume_aligned.
233 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
235         * configure.ac (calling ___tls_get_addr via GOT): New
236         assembler/linker check.
237         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
238         assembler and linker supports calling ___tls_get_addr via GOT.
239         Otherise, defined to 0.
240         * config.in: Regenerated.
241         * configure: Likewise.
242         * config/i386/constraints.md (Yb): New constraint.
243         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
244         (REG_CLASS_NAMES): Likewise.
245         (REG_CLASS_CONTENTS): Likewise.
246         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
247         the b constraint with the Yb constraint.  Call ___tls_get_addr
248         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
249         is 1.
250         (*tls_local_dynamic_base_32_gnu): Likewise.
251         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
252         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
253         (*tls_local_dynamic_base_64_<mode>): Likewise.
255 2016-06-24  Martin Liska  <mliska@suse.cz>
257         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
258         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
259         few functions.
260         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
261         argument to true if the expected number of iterations is
262         loop-based.
264 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
266         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
267         assemble for 32bit target.
268         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
269         and $ld_ix86_gld_32_opt to link for 32bit target.
270         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
271         * configure: Regenerate.
273 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
275         * config/arm/arm.c (int_log2): Delete definition and prototype.
276         (shift_op): Use exact_log2 instead of int_log2.
277         (vfp3_const_double_for_fract_bits): Likewise.
279 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
281         * internal-fn.c (expand_arith_set_overflow): New function.
282         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
283         Use it.
284         (expand_arith_overflow_result_store): Likewise.  Handle precision
285         smaller than mode precision.
286         * tree-vrp.c (extract_range_basic): For imag part, handle
287         properly signed 1-bit precision result.
288         * doc/extend.texi (__builtin_add_overflow): Document that last
289         argument can't be pointer to enumerated or boolean type.
290         (__builtin_add_overflow_p): Document that last argument can't
291         have enumerated or boolean type.
293 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
294             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
296         * config/rs6000/predicates.md (splat_input_operand): Rework.
297         Don't allow constants, since the insns that use this predicate
298         don't support constants.  Constants are handled by other insns
299         that are created via combine.  During and after register
300         allocation, only allow indexed or indirect addresses, and not
301         general addresses.  Only allow modes supported by the hardware.
302         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
303         comment.  Move check for using VSPLTIS<x> to a common location,
304         instead of doing it in two different places.
306 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
308         * config/i386/driver-i386.c (host_detect_local_cpu): Set
309         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
310         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
311         signature_CENTAUR_ebx.
313 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
315         PR target/66232
316         PR target/67400
317         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
318         (as_ix86_gas_32_opt): This.
319         (ld_ix86_tls_ldm_opt): Renamed to ...
320         (ld_ix86_gld_32_opt): This.
321         (R_386_TLS_LDM reloc): Updated.
322         (R_386_GOT32X reloc): New assembler/linker check.
323         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
324         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
325         defined to 0.
326         * config.in: Regenerated.
327         * configure: Likewise.
328         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
329         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
330         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
331         if ix86_force_load_from_GOT_p returns true.
332         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
333         ix86_force_load_from_GOT_p returns true.
334         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
335         the external function address via the GOT slot.
336         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
337         HAVE_AS_IX86_GOT32X before returning false.
338         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
339         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
341 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
343         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
345 2016-06-23  Andi Kleen  <ak@linux.intel.com>
347         * Makefile.in: Regenerate.
348         * doc/install.texi: Document autoprofiledbootstrap.
350 2016-06-23  Andi Kleen  <ak@linux.intel.com>
352         * config/i386/gcc-auto-profile: New file.
354 2016-06-23  Martin Liska  <mliska@suse.cz>
356         PR middle-end/71619
357         * predict.c (predict_loops): Revert the hunk that was removed
358         in r237103.
360 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
362         * config.gcc: Add support for arm*-*-phoenix* targets.
363         * config/arm/t-phoenix: New.
364         * config/phoenix.h: New.
366 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
367             H.J. Lu  <hongjiu.lu@intel.com>
369         PR target/67400
370         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
371         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
372         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
373         ix86_force_load_from_GOT_p returns true.
374         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
375         ix86_force_load_from_GOT_p returns true.
376         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
377         ix86_force_load_from_GOT_p returns true.
378         (ix86_expand_move): Load the external function address via the
379         GOT slot if ix86_force_load_from_GOT_p returns true.
380         * config/i386/predicates.md (x86_64_immediate_operand): Return
381         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
382         (x86_64_zext_immediate_operand): Ditto.
384 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
386         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
388 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
390         PR c/70339
391         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
392         * diagnostic.c (pedwarn_at_rich_loc): New function.
393         * spellcheck.h (best_match::best_match): Add a
394         "best_distance_so_far" optional parameter.
395         (best_match::set_best_so_far): New method.
396         (best_match::get_best_distance): New accessor.
397         (best_match::get_best_candidate_length): New accessor.
399 2016-06-22  Nick Clifton  <nickc@redhat.com>
401         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
402         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
403         modes are accepted as well.
404         (ucompare_loc_descriptor): Likewise.
405         (minmax_loc_descriptor): Likewise.
406         (clz_loc_descriptor): Likewise.
407         (popcount_loc_descriptor): Likewise.
408         (bswap_loc_descriptor): Likewise.
409         (rotate_loc_descriptor): Likewise.
410         (mem_loc_descriptor): Likewise.
411         (loc_descriptor): Likewise.
413 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
415         * common.opt (fdiagnostics-parseable-fixits): New option.
416         * diagnostic.c: Include "selftest.h".
417         (print_escaped_string): New function.
418         (print_parseable_fixits): New function.
419         (diagnostic_report_diagnostic): Call print_parseable_fixits.
420         (selftest::assert_print_escaped_string): New function.
421         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
422         (selftest::test_print_escaped_string): New function.
423         (selftest::test_print_parseable_fixits_none): New function.
424         (selftest::test_print_parseable_fixits_insert): New function.
425         (selftest::test_print_parseable_fixits_remove): New function.
426         (selftest::test_print_parseable_fixits_replace): New function.
427         (selftest::diagnostic_c_tests): New function.
428         * diagnostic.h (struct diagnostic_context): Add field
429         "parseable_fixits_p".
430         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
431         -fdiagnostics-parseable-fixits.
432         (-fdiagnostics-parseable-fixits): New option.
433         * opts.c (common_handle_option): Handle
434         -fdiagnostics-parseable-fixits.
435         * selftest-run-tests.c (selftest::run_tests): Call
436         selftest::diagnostic_c_tests.
437         * selftest.h (selftest::diagnostic_c_tests): New prototype.
439 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
441         PR tree-optimization/71488
442         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
443         comparison of boolean vectors.
444         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
445         of boolean vectors using bitwise operations.
447 2016-06-22  Andreas Schwab  <schwab@suse.de>
449         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
450         Remove declaration.
452 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
454         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
456 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
458         * config/i386/i386.c (print_reg): Emit an error message on attempt to
459         print FLAGS_REG.
461 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
463         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
464         * config/arm/arm-cores.def (cortex-a73): New entry.
465         (cortex-a73.cortex-a35): Likewise.
466         (cortex-a73.cortex-a53): Likewise.
467         * config/arm/arm-tables.opt: Regenerate.
468         * config/arm/arm-tune.md: Likewise.
469         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
470         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
471         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
472         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
473         * doc/invoke.texi (ARM Options): Document cortex-a73,
474         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
476 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
478         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
479         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
480         (cortex-a73.cortex-a35): Likewise.
481         (cortex-a73.cortex-a53): Likewise.
482         * config/aarch64/aarch64-tune.md: Regenerate.
483         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
484         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
485         -mcpu and -mtune.
487 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
489         * configure.ac (gcc_cv_as_compress_debug): Remove
490         --compress-debug-sections as extra as switch.
491         Handle gas --compress-debug-sections=type.
492         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
493         Handle gld --compress-debug-sections=type.
494         * configure: Regenerate.
496 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
498         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
500 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
502         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
503         (do_rewrite): likewise.
505 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
507         * common/config/mep/mep-common.c: Remove.
508         * config.gcc: Remove mep-* support.
509         * config/mep/constraints.md: Remove.
510         * config/mep/default.h: Remove.
511         * config/mep/intrinsics.h: Remove.
512         * config/mep/intrinsics.md: Remove.
513         * config/mep/ivc2-template.h: Remove.
514         * config/mep/mep-c5.cpu: Remove.
515         * config/mep/mep-core.cpu: Remove.
516         * config/mep/mep-default.cpu: Remove.
517         * config/mep/mep-ext-cop.cpu: Remove.
518         * config/mep/mep-intrin.h: Remove.
519         * config/mep/mep-ivc2.cpu: Remove.
520         * config/mep/mep-pragma.c: Remove.
521         * config/mep/mep-protos.h: Remove.
522         * config/mep/mep.c: Remove.
523         * config/mep/mep.cpu: Remove.
524         * config/mep/mep.h: Remove.
525         * config/mep/mep.md: Remove.
526         * config/mep/mep.opt: Remove.
527         * config/mep/predicates.md: Remove.
528         * config/mep/t-mep: Remove.
529         * doc/install.texi: Remove mep-* documentation.
530         * doc/md.texi: Likewise.
532 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
534         * config.gcc: Remove support for avr-rtems.
535         * config/avr/gen-avr-mmcu-specs.c: Likewise.
536         * config/avr/rtems.h: Remove.
537         * config/avr/t-rtems: Remove.
539 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
541         * config.gcc: Remove m32r-rtems support.
542         * config/m32r/rtems.h: Remove.
544 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
546         * config.gcc: Remove h8300-rtems support.
547         * config/h8300/rtems.h: Remove.
548         * config/h8300/t-rtems: Remove.
550 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
552         * config.gcc: Remove support for knetbsd.
553         * configure.ac: Likewise.
554         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
555         * config/knetbsd-gnu.h: Remove.
556         * configure: Regenerate.
558 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
560         * config.gcc: Remove support for openbsd 2 and 3.
561         * config/openbsd-oldgas.h: Remove.
563 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
565         * config.gcc: Remove interix support.
566         * config/i386/i386-interix.h: Remove.
567         * config/i386/interix.opt: Remove.
568         * config/i386/t-interix: Remove.
569         * configure: Regenerate.
570         * configure.ac: Remove interix support.
571         * doc/install.texi: Remove interix documentation.
573 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
575         * config/rs6000/rs6000.h: Add conditional preprocessing directives
576         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
577         not defined.
579 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
581         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
582         they are both PLACEHOLDER_EXPRs.
584 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
586         * stor-layout.c (layout_type): Move setting complex MODE to
587         layout_type, instead of setting it ahead of time by the caller.
588         * tree.c (build_complex_type): Likewise.
590 2016-06-21  Martin Liska  <mliska@suse.cz>
592         * predict.c (force_edge_cold): Replace imposisble with
593         impossible.
595 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
597         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
598         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
600 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
602         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
604 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
605             Ilya Enkovich  <ilya.enkovich@intel.com>
607         PR target/71549
608         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
609         New member function to convert V1TImode register to SUBREG
610         TImode in debug insn.
611         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
612         after changing register mode to V1TImode.
614 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
616         * config/aarch64/aarch64-cores.def (vulcan): New core.
617         * config/aarch64/aarch64-tune.md: Regenerate.
618         * doc/invoke.texi: Document vulcan as an available option.
620 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
622         * cse.c (canon_asm_operands): New function extracted from...
623         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
624         either standalone or member of a PARALLEL.
626 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
628         PR target/30417
629         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
630         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
631         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
633 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
635         PR target/71103
636         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
637         constant addresses if can_create_pseudo_p.
639 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
641         PR tree-optimization/71588
642         * tree-ssa-strlen.c (valid_builtin_call): New function.
643         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
644         it.
646 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
648         PR middle-end/71581
649         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
650         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
651         for conversion of scalar user var to complex type and use the
652         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
653         punt.
655         PR rtl-optimization/71591
656         * toplev.c (toplev::run_self_tests): If no_backend, complain and
657         don't run any tests.
659 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
661         PR target/71571
662         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
663         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
664         space for PIC with non-v32 and the common non-PIC "jump".
666 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
668         PR target/71559
669         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
670         returned values and add UN*/LTGT/*ORDERED cases with values matching
671         D operand modifier on vcmp for AVX.
673 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
675         * config/aarch64/aarch64.opt
676         (mpc-relative-literal-loads): Rename internal option name.
677         * config/aarch64/aarch64.c
678         (aarch64_nopcrelative_literal_loads): Rename to
679         aarch64_pcrelative_literal_loads.
680         (aarch64_expand_mov_immediate): Likewise.
681         (aarch64_secondary_reload): Likewise.
682         (aarch64_can_use_per_function_literal_pools_p): Likewise.
683         (aarch64_override_options_after_change_1): Rename and simplify logic.
684         (aarch64_classify_symbol): Merge large model checks into switch,
685         remove pc-relative load check.
687 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
689         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
690         costs relative to the cost of a register move.
692 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
694         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
695         (vcvt_n_f64_u64): Likewise.
696         (vcvt_n_s64_f64): Likewise.
697         (vcvt_n_u64_f64): Likewise.
698         (vcvt_f64_s64): Likewise.
699         (vrecpe_f64): Likewise.
700         (vcvt_f64_u64): Likewise.
701         (vrecps_f64): Likewise.
703 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
705         * config/aarch64/aarch64.md
706         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
707         iterators.
708         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
709         attributes.
710         * config/aarch64/aarch64-builtins.c
711         (aarch64_types_binop_uss_qualifiers): Delete.
712         (TYPES_BINOP_USS): Likewise.
713         (aarch64_types_binop_sus_qualifiers): Likewise.
714         (TYPES_BINOP_SUS): Likewise.
715         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
716         (TYPES_FCVTIMM_SUS): Likewise.
717         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
718         rather than BINOP.
719         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
720         (fcvtzs): Use SHIFTIMM rather than BINOP.
721         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
723 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
725         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
726         costs relative to the cost of a register move.
728 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
730         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
731         Allow scalar/single vector modes to be tieable.
733 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
735         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
737 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
739         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
740         "alignement".
741         * tree.h (TYPE_ALIGN): Likewise.
743 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
745         PR target/71103
746         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
748 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
750         * config/avr/avr.c (avr_print_operand): Fix "format not a string
751         literal" build warnings.
752         (avr_print_operand_address): Dito.
754 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
756         PR target/71375
757         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
758         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
760 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
762         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
764 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
766         PR bootstrap/71435
767         * reload1.c (reload): Pass 0 to finish_spills when called because
768         update_eliminables_and_spill returns true and remove did_spill.
769         (finish_spills): Adjust comment and document GLOBAL parameter.
771 2016-06-17  DJ Delorie  <dj@redhat.com>
773         PR target/71338
774         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
775         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
776         (umulqihi3_virt): Likewise.
777         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
778         (umulqihi3_real): Likewise.
780 2016-06-17  Martin Liska  <mliska@suse.cz>
782         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
784 2016-06-17  Martin Liska  <mliska@suse.cz>
786         * predict.def: PRED_LOOP_EXIT from 92 to 85.
788 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
790         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
791         __FAST_MATH__.
792         (vaddq_f32): Likewise.
793         (vmul_f32): Likewise.
794         (vmulq_f32): Likewise.
795         (vsub_f32): Likewise.
796         (vsubq_f32): Likewise.
798 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
800         PR tree-optimization/71347
801         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
802         cost for all uses in group.
804 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
806         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
807         insert gimple seq if it's not empty.
809 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
811         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
812         member OFFSET.
813         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
814         rather than OFFSET.
815         (comp_dr_with_seg_len_pair): Ditto.
816         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
817         struct dr_with_seg_len_pair against DR_OFFSET.
818         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
819         DR_OFFSET directly.
821 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
823         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
825 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
827         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
828         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
829         (pa_output_millicode_call): Likewise.
830         (pa_output_call): Likewise.
831         (pa_output_indirect_call): Likewise.
832         (pa_asm_output_mi_thunk): Likewise.
834 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
836         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
838 2016-06-16  Martin Liska  <mliska@suse.cz>
840         * predict.c (combine_predictions_for_insn): When we find a first
841         match predictor, we should consider just predictors with
842         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
843         DS theory predictor.
844         (combine_predictions_for_bb): Likewise.
846 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
848         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
849         with base of reference to struct.
851 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
853         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
855 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
857         PR target/71151
858         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
859         progmem_swtable_section.
860         (progmem_swtable_section): Remove.
861         (avr_asm_function_rodata_section): Remove.
862         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
863         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
865 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
867         * config/i386/driver-i386.c (host_detect_local_cpu): Set
868         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
869         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
870         signature_CENTAUR_ebx.
871         * config/i386/i386.c (ix86_option_override_internal): Add
872         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
873         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
874         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
876 2016-06-16  Martin Liska  <mliska@suse.cz>
878         * predict.def: Add fortran loop preheader predictor.
879         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
880         fold IFN_BUILTIN_EXPECT with a known constant argument.
882 2016-06-16  Martin Liska  <mliska@suse.cz>
884         * predict.def: Add 'Fortran' to display text of all
885         PRED_FORTRAN_* predictors.
887 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
889         PR target/71242
890         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
891         [IA64_BUILTIN_NANSQ]: Ditto.
892         (ia64_fold_builtin): New function.
893         (TARGET_FOLD_BUILTIN): New define.
894         (ia64_init_builtins) Declare const_string_type node.
895         Add __builtin_nanq and __builtin_nansq builtin functions.
896         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
898 2016-06-16  Nick Clifton  <nickc@redhat.com>
900         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
901         MSP430_HWMULT_ prefix to enum values.
902         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
903         * config/msp430/msp430.c: Update use of enum values.
904         * config/msp430/msp430.md: Likewise.
905         * config/msp430/msp430.opt: Likewise.
907 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
909         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
910         of comparsions in the last iteration.
912 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
913             Joern Rennecke  <joern.rennecke@embecosm.com>
915         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
916         addresses.
917         (arc_needs_pcl_p): Add GOTOFFPC.
918         (arc_legitimate_pic_addr_p): Likewise.
919         (arc_output_pic_addr_const): Likewise.
920         (arc_legitimize_pic_address): Generate a pc-relative address using
921         GOTOFFPC.
922         (arc_output_libcall): Use @pcl syntax.
923         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
924         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
925         (*movsi_insn): Use @pcl syntax.
926         (doloop_begin_i): Likewise.
928 2016-06-16  Martin Liska  <mliska@suse.cz>
930         * predict.def: Define a new predictor.
932 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
934         * config/arc/arc.opt (mtp-regno): Update text.
936 2016-06-16  Renlin Li  <renlin.li@arm.com>
938         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
940 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
942         PR target/71554
943         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
944         (setcc + and peephole2): Likewise.
946         PR rtl-optimization/71532
947         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
948         memory slots.
950 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
952         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
953         DImode constants with XXSPLTIB in vector registers.
954         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
955         vsx_extract_<mode>_internal{1,2} into a single insn that handles
956         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
957         extraction of the element at the top of the register as a scalar
958         value.
959         (vsx_extract_<mode>_internal1): Likewise.
960         (vsx_extract_<mode>_internal2): Likewise.
961         * config/rs6000/constraints.md (wi constraint): Remove a comment
962         about DImode not being allowed in Altivec registers.
963         (wB constraint): New constraint for constants that can be
964         generated in Altivec registers with VSPLTISW/VUPKHSW.
965         * config/rs6000/predicates.md (xxspltib_constant_split): Update
966         comments.
967         (xxspltib_constant_nosplit): Likewise.
968         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
969         support for -mupper-regs-di to enable DImode to go into Altivec
970         registers.
971         (POWERPC_MASKS): Likewise.
972         (power7 cpu): Likewise.
973         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
974         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
975         for DImode being allowed in Altivec registers.  Update wi/wj
976         constraints.  Set scalar_in_vmx_p flag.
977         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
978         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
979         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
980         (rs6000_opt_masks): Add -mupper-regs-di.
981         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
982         direct move to use wi and not wj.
983         (lfiwzx): Likewise.
984         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
985         alternative.
986         (floatunssi<mode>2_lfiwzx_mem): Likewise.
987         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
988         any VSX register, instead of just Altivec registers, to allow
989         either operand to be an Altivec register or both.
990         (fixuns_trunc<mode>di2_fctiduz): Likewise.
991         (movdi_internal32): Add support for -mupper-regs-di.  Add support
992         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
993         the alternatives and attributes to be lined up to be easier to
994         read.
995         (movdi_internal64): Likewise.
996         (64-bit DImode splitters): Change predicates to only split loading
997         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
998         load constants in ISA 3.0 or ISA 2.07 respectively.
999         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1000         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
1001         mention -mcpu=power9 sets these options.
1002         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
1003         wB constraint.
1005 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1007         PR target/67353
1008         * config/avr/avr.c (avr_set_current_function): Warn misspelled
1009         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
1010         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
1011         by default to warn misspelled interrupt/ signal handler.
1012         * doc/invoke.texi (AVR Options): Document it. Update description
1013         for -nodevicelib option.
1015 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1017         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
1018         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
1019         (aarch64_<sur>shll2_n<mode>): Likewise.
1021 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
1023         PR middle-end/71529
1024         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
1025         DECL_CONTEXT for copied arguments.
1027 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1029         PR tree-optimization/71483
1030         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
1031         for slp
1033 2016-06-15  Martin Liska  <mliska@suse.cz>
1035         * predict.c (tree_predict_by_opcode): Call predict_edge_def
1036         instead of predict_edge w/o a probability.
1038 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1040         PR tree-optimization/71439
1041         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
1042         live PHIs.
1044 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1046         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
1047         register subregs in SET_SRC.
1049 2016-06-15  Richard Biener  <rguenther@suse.de>
1051         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
1052         store restrictions.
1054 2016-06-15  Richard Biener  <rguenther@suse.de>
1056         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
1057         not consider dependences between accesses that belong to the
1058         same group.
1059         (vect_analyze_data_ref_dependences): Do not analyze read-read
1060         or self-dependences.
1062 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1064         * spellcheck-tree.c: Include spellcheck-tree.h rather than
1065         spellcheck.h.
1066         (find_closest_identifier): Reimplement in terms of
1067         best_match<tree,tree>.
1068         * spellcheck-tree.h: New file.
1069         * spellcheck.c (struct edit_distance_traits<const char *>): New
1070         struct.
1071         (find_closest_string): Reimplement in terms of
1072         best_match<const char *, const char *>.
1073         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
1074         overload to spellcheck-tree.h.
1075         (find_closest_identifier): Likewise.
1076         (struct edit_distance_traits<T>): New template.
1077         (class best_match): New class.
1079 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1081         * selftest-run-tests.c (selftest::run_tests): Call
1082         selftest::spellcheck_tree_c_tests.
1083         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
1084         * spellcheck-tree.c: Include selftest.h and stringpool.h.
1085         (selftest::test_find_closest_identifier): New function.
1086         (selftest::spellcheck_tree_c_tests): New function.
1087         * spellcheck.c (selftest::test_find_closest_string): Verify that
1088         the order of the vec does not affect the results for this case.
1089         (selftest::test_data): New array.
1090         (selftest::test_metric_conditions): New function.
1091         (selftest::spellcheck_c_tests): Add a test of case-comparison.
1092         Call selftest::test_metric_conditions.
1094 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1096         * config/rs6000/rs6000-builtin.def (commentary): Typo.
1097         (BU_P9_MISC_1): Likewise.
1098         (BU_P9_64BIT_MISC_0): Likewise.
1099         (BU_P9_MISC_0): Likewise.
1101 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1103         * gcc-rich-location.c
1104         (gcc_rich_location::add_fixit_misspelled_id): New method.
1105         * gcc-rich-location.h
1106         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
1108 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
1110         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
1111         FreeBSD 11 and above.
1113 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
1115         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
1117 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1119         * expmed.h: Close parenthesis in "at your option" in copyright
1120         boilerplate.
1121         * lower-subreg.h: Likewise.
1123 2016-06-14  Richard Biener  <rguenther@suse.de>
1125         PR middle-end/71526
1126         * genmatch.c (expr::gen_transform): Use in_type for comparisons
1127         if available.
1129 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1131         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1132         New function.
1133         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
1134         mask+shift version.
1135         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
1136         New prototype.
1137         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
1138         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
1140 2016-06-14  Richard Biener  <rguenther@suse.de>
1142         PR tree-optimization/71522
1143         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
1144         copying into float copying.
1146 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
1148         PR tree-optimization/71520
1149         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
1150         (replace_block_by): Move user labels from bb1 to bb2.
1152 2016-06-14  Richard Biener  <rguenther@suse.de>
1154         PR middle-end/71310
1155         PR bootstrap/71510
1156         * expr.h (get_bit_range): Declare.
1157         * expr.c (get_bit_range): Export.
1158         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
1159         word_mode again to constrain the bitfield access.
1161 2016-06-14  Richard Biener  <rguenther@suse.de>
1163         PR tree-optimization/71521
1164         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
1165         division int_const_binop against zero divisor.
1167 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1169         * config/i386/i386.md (signbittf2): New expander.
1170         * config/i386/sse.md (ptesttf2): New insn pattern.
1172 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1174         PR bootstrap/71481
1175         * input.c (selftest::test_reading_source_line): Avoid reading from
1176         __FILE__ by creating a tempfile with known content and reading
1177         from that instead.
1179 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1181         * pretty-print.c (assert_pp_format_colored): Skip the test if
1182         GCC_COLORS is set.
1183         (test_pp_format): Remove comment about GCC_COLORS.
1185 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1187         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
1188         * pretty-print.c (assert_pp_format_va): Add location param and use
1189         it with ASSERT_STREQ_AT.
1190         (assert_pp_format): Add location param and pass it to
1191         assert_pp_format_va.
1192         (assert_pp_format_colored): Likewise.
1193         (ASSERT_PP_FORMAT_1): New.
1194         (ASSERT_PP_FORMAT_2): New.
1195         (ASSERT_PP_FORMAT_3): New.
1196         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
1197         explicitly, or implicitly via the above macros.
1198         * selftest.c (selftest::pass): Use a selftest::location rather
1199         than file and line.
1200         (selftest::fail): Likewise.  Print the function name.
1201         (selftest::fail_formatted): Likewise.
1202         (selftest::assert_streq): Use a selftest::location rather than
1203         file and line.
1204         * selftest.h (selftest::location): New struct.
1205         (SELFTEST_LOCATION): New macro.
1206         (selftest::pass): Accept a const location & rather than file
1207         and line.
1208         (selftest::fail): Likewise.
1209         (selftest::fail_formatted): Likewise.
1210         (selftest::assert_streq): Likewise.
1211         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
1212         (ASSERT_FALSE): Likewise.
1213         (ASSERT_EQ): Likewise.
1214         (ASSERT_NE): Likewise.
1215         (ASSERT_STREQ): Likewise.
1216         (ASSERT_PRED1): Likewise.
1217         (ASSERT_STREQ_AT): New macro.
1219 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1221         * selftest.c (selftest::fail_formatted): New function.
1222         (selftest::assert_streq): New function.
1223         * selftest.h (selftests::fail_formatted): New decl.
1224         (selftest::assert_streq): New decl.
1225         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
1227 2016-06-13  Jeff Law  <law@redhat.com>
1229         PR tree-optimization/71403
1230         * tree-ssa-threadbackward.c
1231         (convert_and_register_jump_thread_path): No longer accept reference
1232         to path.  Do not pop items off the path anymore.
1233         (fsm_find_control_statement_thread_paths): Do not allow threading
1234         to a deeper loop nest.  Pop the last item off the path here rather
1235         than in convert_and_register_jump_thread_path.
1237 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1238             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
1240         [AArch64] Emit division using the Newton series
1242         * config/aarch64/aarch64-protos.h
1243         (cpu_approx_modes): Add new member "division".
1244         (aarch64_emit_approx_div): Declare new function.
1245         * config/aarch64/aarch64.c
1246         (generic_approx_modes): New member "division".
1247         (exynosm1_approx_modes): Likewise.
1248         (xgene1_approx_modes): Likewise.
1249         (aarch64_emit_approx_div): Define new function.
1250         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
1251         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
1252         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
1253         * doc/invoke.texi (-mlow-precision-div): Describe new option.
1255 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1256             Wilco Dijkstra  <wilco.dijkstra@arm.com>
1258         [AArch64] Emit square root using the Newton series
1260         * config/aarch64/aarch64-protos.h
1261         (aarch64_emit_approx_rsqrt): Replace with new function
1262         "aarch64_emit_approx_sqrt".
1263         (cpu_approx_modes): New member "sqrt".
1264         * config/aarch64/aarch64.c
1265         (generic_approx_modes): New member "sqrt".
1266         (exynosm1_approx_modes): Likewise.
1267         (xgene1_approx_modes): Likewise.
1268         (aarch64_emit_approx_rsqrt): Replace with new function
1269         "aarch64_emit_approx_sqrt".
1270         (aarch64_override_options_after_change_1): Handle new option.
1271         * config/aarch64/aarch64-simd.md
1272         (rsqrt<mode>2): Use new function instead.
1273         (sqrt<mode>2): New expansion and insn definitions.
1274         * config/aarch64/aarch64.md: Likewise.
1275         * config/aarch64/aarch64.opt
1276         (mlow-precision-sqrt): Add new option description.
1277         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
1279 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1281         [AArch64] Add more choices for the reciprocal square root approximation
1283         Allow a target to prefer such operation depending on the operation mode.
1285         * config/aarch64/aarch64-protos.h
1286         (AARCH64_APPROX_MODE): New macro.
1287         (AARCH64_APPROX_{NONE,ALL}): Likewise.
1288         (cpu_approx_modes): New structure.
1289         (tune_params): New member "approx_modes".
1290         * config/aarch64/aarch64-tuning-flags.def
1291         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
1292         * config/aarch64/aarch64.c
1293         (generic_approx_modes): New core "cpu_approx_modes" structure.
1294         (exynosm1_approx_modes): Likewise.
1295         (xgene1_approx_modes): Likewise.
1296         (generic_tunings): New member "approx_modes".
1297         (cortexa35_tunings): Likewise.
1298         (cortexa53_tunings): Likewise.
1299         (cortexa57_tunings): Likewise.
1300         (cortexa72_tunings): Likewise.
1301         (exynosm1_tunings): Likewise.
1302         (thunderx_tunings): Likewise.
1303         (xgene1_tunings): Likewise.
1304         (use_rsqrt_p): New argument for the mode and use new member from
1305         "tune_params".
1306         (aarch64_builtin_reciprocal): Devise mode from builtin.
1307         (aarch64_optab_supported_p): New argument for the mode.
1308         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
1310 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1312         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
1313         RS6000_BTM_MODULO flag into the set of flags that are considered
1314         to be part of the common configuration.
1316 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1318         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
1319         difference unsigned.
1320         (vec_absdb): New macro for vector absolute difference unsigned
1321         byte.
1322         (vec_absdh): New macro for vector absolute difference unsigned
1323         half-word.
1324         (vec_absdw): New macro for vector absolute difference unsigned word.
1325         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
1326         (vadu<mode>3): New insn.
1327         (*p9_vadu<mode>3): New insn.
1328         * config/rs6000/rs6000-builtin.def (vadub): New built-in
1329         definition.
1330         (vaduh): New built-in definition.
1331         (vaduw): New built-in definition.
1332         (vadu): New overloaded built-in definition.
1333         (vadub): New overloaded built-in definition.
1334         (vaduh): New overloaded built-in definition.
1335         (vaduw): New overloaded built-in definition.
1336         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1337         overloaded vector absolute difference unsigned functions.
1338         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1339         the ISA 3.0 vector absolute difference unsigned built-in functions.
1341 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1343         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
1344         update shared_lookup_references only once after changing operands.
1346 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
1348         PR middle-end/71373
1349         * tree-nested.c (convert_nonlocal_omp_clauses)
1350         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
1352         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
1353         * tree.def (CASE_LABEL_EXPR): Likewise.
1355 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1357         PR bootstrap/71481
1358         * input.c (test_builtins): Fix an assertion.
1360 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1362         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
1363         (paritysi2): Ditto.
1364         (isinfxf2): Ditto.
1365         (isinf<mode>2): Ditto.
1367 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1369         * ggc-tests.c (test_finalization): Only test need_finalization_p
1370         for GCC_VERSION >= 4003.
1372 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1374         * config/s390/vecintrin.h: Fix file description in comment.
1376 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1378         * config/s390/s390-builtin-types.def: Change builtin type naming
1379         scheme to match builtin-types.def.
1381 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
1383         * fold-const.c (optimize_minmax_comparison): Remove.
1384         (fold_comparison): Remove call to the above.
1385         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
1386         New transformations.
1388 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
1390         PR tree-optimization/71416
1391         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
1392         multiple entries
1394 2016-06-13  Martin Liska  <mliska@suse.cz>
1396         * predict.c (enum predictor_reason): Prefix enum with REASON_.
1397         (combine_predictions_for_insn): Likewise.
1398         (prune_predictions_for_bb): Likewise.
1399         (combine_predictions_for_bb): Likewise.
1401 2016-06-13  Richard Biener  <rguenther@suse.de>
1403         PR tree-optimization/71505
1404         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1405         assert match comment.
1407 2016-06-13  Marek Polacek  <polacek@redhat.com>
1409         PR middle-end/71476
1410         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
1411         gimplify_switch_expr.
1412         (warn_switch_unreachable_r): New function.
1414 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1416         PR target/71379
1417         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1418         one.
1420 2016-06-13  Richard Biener  <rguenther@suse.de>
1422         PR middle-end/64516
1423         * fold-const.c (fold_unary_loc): Preserve alignment when
1424         folding a VIEW_CONVERT_EXPR into a MEM_REF.
1426 2016-06-13  Martin Liska  <mliska@suse.cz>
1428         PR sanitizer/71458
1429         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
1430         w/ -fsanitize=bounds.
1432 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1434         * config/i386/i386.c (ix86_init_builtins): Calculate
1435         FLOAT128_FTYPE_CONST_STRING function type only once.
1436         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
1437         built-in functions are available for x86-32 and x86-64 targets.
1439 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1441         PR target/71241
1442         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
1443         New primitive type.
1444         (FLOAT128_FTYPE_CONST_STRING): New function type.
1445         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
1446         [IX86_BUILTIN_NANSQ]: Ditto.
1447         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1448         (ix86_init_builtin_types): Declare const_string_type_node.
1449         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
1450         builtin functions.
1451         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1452         * doc/extend.texi (x86 Built-in Functions): Document
1453         __builtin_nanq and __builtin_nansq.
1455 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1457         PR target/71061
1458         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1459         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1460         length for pop patterns.
1461         (arm_attr_length_push_multi): Update comments.
1462         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1463         attribute.
1464         (*pop_multiple_with_writeback_and_return): Likewise.
1465         (*pop_multiple_with_return): Likewise.
1467 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1469         PR middle-end/71310
1470         * fold-const.c (optimize_bit_field_compare): Don't try to use
1471         word_mode unconditionally for reading the bit field, look at
1472         DECL_BIT_FIELD_REPRESENTATIVE instead.
1474 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1476         PR middle-end/71478
1477         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1478         vector integer type.
1480 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1482         PR middle-end/71494
1483         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1484         without LABEL_DECL, set *handled_ops_p to false instead of true.
1486 2016-06-10  Martin Sebor  <msebor@redhat.com>
1488         PR c/71392
1489         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1490         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1491         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1492         them.
1493         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1494         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1495         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1496         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1497         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1498         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1499         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1500         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1502 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1504         * config/arm/arm.h (pool_vector_label,
1505         return_used_this_function): Remove.
1507 2016-06-10  Jeff Law  <law@redhat.com>
1509         PR tree-optimization/71335
1510         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1511         zero length paths here.
1512         (convert_and_register_jump_thread_path): Remove hacks related to
1513         duplicated blocks in the jump thread path.
1514         (fsm_find_control_statement_thread_paths): Avoid putting the same
1515         block on the thread path twice, but ensure the thread path is
1516         unchanged from the caller's point of view.
1518 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1520         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1521         * predict.def (PRED_LOOP_BRANCH): Remove.
1523 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1525         * Makefile.in (OBJS): Add ggc-tests.o.
1526         (GTFILES): Add ggc-tests.c.
1527         * ggc-tests.c: New file.
1528         * selftest-run-tests.c (selftest::run_tests): Call
1529         selftest::ggc_tests_c_tests.
1530         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1532 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1534         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1536 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1538         PR sanitizer/71480
1539         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1540         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1542 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1544         * profile.c: Include cfgloop.h.
1545         (branch_prob): Compute estimated number of iterations.
1546         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1547         recompute estimate number of iterations from profile.
1549 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1551         PR inline-asm/68843
1552         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1553         must be grouped on top of stack.  Don't force early clobber
1554         on ordinary reg outputs.
1556 2016-06-10  Richard Biener  <rguenther@suse.de>
1558         * targhooks.c (default_builtin_vectorization_cost): Adjust
1559         vec_construct cost.
1561 2016-06-10  Richard Biener  <rguenther@suse.de>
1563         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1564         to fold the RHS to a constant if possible.
1566 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1568         PR middle-end/71373
1569         * tree-nested.c (convert_nonlocal_omp_clauses)
1570         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1571         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1572         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1574         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1575         OMP_CLAUSE_TILE.
1576         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1578         * omp-low.c (scan_sharing_clauses): Don't expect
1579         OMP_CLAUSE__CACHE_.
1581 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1583         PR tree-optimization/71407
1584         PR tree-optimization/71416
1585         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1586         BIT_FIELD_REF type.
1588 2016-06-10  Richard Biener  <rguenther@suse.de>
1590         PR middle-end/71477
1591         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1593 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1595         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1597 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1598             Jiong Wang  <jiong.wang@arm.com>
1600         PR rtl-optimization/70751
1601         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1602         spilled into memory.
1604 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1606         Revert:
1607         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1609         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1610         sysroot/usr/lib/32api for additional win32 libraries,
1611         fixes failing Cygwin bootstrapping.
1613 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1615         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1616         Delete.
1618 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1620         PR bootstrap/71471
1621         * pretty-print.c (pp_indent): Specify that %p is printed in a
1622         host-dependent manner.
1623         (test_pp_format): Remove the test for %p.
1625 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1627         * config/mips/mips.c (mips_output_jump): Fix formatting.
1629 2016-06-09  Richard Biener  <rguenther@suse.de>
1631         PR tree-optimization/71462
1632         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1633         removed blocks.
1635 2016-06-09  Martin Liska  <mliska@suse.cz>
1637         * predict.c (dump_prediction): Add new argument.
1638         (enum predictor_reason): New enum.
1639         (struct predictor_hash): New struct.
1640         (predictor_hash::hash): New function.
1641         (predictor_hash::equal): Likewise.
1642         (not_removed_prediction_p): New function.
1643         (prune_predictions_for_bb): Likewise.
1644         (combine_predictions_for_bb): Prune predictions.
1646 2016-06-09  Martin Liska  <mliska@suse.cz>
1648         * predict.c (filter_predictions): New function.
1649         (remove_predictions_associated_with_edge): Use the filter
1650         function.
1651         (equal_edge_p): New function.
1653 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1655         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1656         Correct usage of @samp vs @option, add @samp where appropriate.
1657         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1658         Add armv6s-m and document it, as it is no official ARM name.
1660 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1662         * ifcvt.c (struct noce_if_info): Add transform_name field.
1663         (noce_try_move): Set if_info->transform_name to the function name.
1664         (noce_try_ifelse_collapse): Likewise.
1665         (noce_try_store_flag): Likewise.
1666         (noce_try_inverse_constants): Likewise.
1667         (noce_try_store_flag_constants): Likewise.
1668         (noce_try_addcc): Likewise.
1669         (noce_try_store_flag_mask): Likewise.
1670         (noce_try_cmove): Likewise.
1671         (noce_try_cmove_arith): Likewise.
1672         (noce_try_minmax): Likewise.
1673         (noce_try_abs): Likewise.
1674         (noce_try_sign_mask): Likewise.
1675         (noce_try_bitop): Likewise.
1676         (noce_convert_multiple_sets): Likewise.
1677         (noce_process_if_block): Print if_info->transform_name to
1678         dump_file if transformation succeeded.
1680 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1682         * config/arm/cortex-a57.md (cortex_a57_alu):
1683         Handle csel type.
1685 2016-06-08  Martin Sebor  <msebor@redhat.com>
1686             Jakub Jelinek  <jakub@redhat.com>
1688         PR c++/70507
1689         PR c/68120
1690         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1691         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1692         * builtins.c: Include gimple-fold.h.
1693         (fold_builtin_arith_overflow): Handle
1694         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1695         (fold_builtin_3): Likewise.
1696         * doc/extend.texi (Integer Overflow Builtins): Document
1697         __builtin_{add,sub,mul}_overflow_p.
1699 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1701         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1702         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1704 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1706         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1707         Rewrite, looking one level down for records and arrays.
1709 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1711         * pretty-print.c: Include "selftest.h".
1712         (pp_format): Fix comment.
1713         (identifier_to_locale): Likewise.
1714         (selftest::test_basic_printing): New function.
1715         (selftest::assert_pp_format): New function.
1716         (selftest::test_pp_format): New function.
1717         (selftest::pretty_print_c_tests): New function.
1718         * selftest-run-tests.c (selftest::run_tests): Call
1719         selftest::pretty_print_c_tests.
1720         * selftest.h (pretty_print_c_tests): New declaration.
1722 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1724         * invoke.texi (max-loop-headers-insns): Document.
1725         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1726         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1727         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1729 2016-06-08  Richard Biener  <rguenther@suse.de>
1731         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1732         on strided SLP loads and fall back to scalar loads in case
1733         we can't chunk them.
1735 2016-06-08  Richard Biener  <rguenther@suse.de>
1737         PR tree-optimization/71452
1738         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1739         type used for the SSA rewrite has enough precision to cover
1740         the dynamic type of the location.
1742 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1743             Richard Biener  <rguenther@suse.de>
1745         PR c++/71448
1746         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1747         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1748         in one further place.
1750 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1752         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1753         to one word if the field is known to overlap other words.
1754         (extract_bit_field_1): Likewise.
1755         (store_split_bit_field): Remove compensating code.
1756         (extract_split_bit_field): Likewise.
1758 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1760         PR debug/71432
1761         PR ada/71413
1762         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1764 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1766         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1767         VDQF.
1768         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1769         (arch64_addpv4sf): Delete.
1770         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1771         "gen_aarch64_addpv4sf".
1772         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1773         builtin.
1774         (vpadds_f32): Likewise.
1775         (vpaddq_f32): Likewise.
1776         (vpaddq_f64): Likewise.
1778 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1780         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1781         VALLF.
1782         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1783         to VALLF.  Rename to "fabd<mode>3".
1784         "*fabd_scalar<mode>3): Delete.
1785         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1786         Use builtin.
1787         (vabdd_f64): Likewise.
1788         (vabd_f32): Likewise.
1789         (vabd_f64): Likewise.
1790         (vabdq_f32): Likewise.
1791         (vabdq_f64): Likewise.
1793 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1795         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1796         VALLF.
1797         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1798         "aarch64_rsqrts<mode>".
1799         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1800         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1801         builtin.
1802         (vrsqrtsd_f64): Likewise.
1803         (vrsqrts_f32): Likewise.
1804         (vrsqrts_f64): Likewise.
1805         (vrsqrtsq_f32): Likewise.
1806         (vrsqrtsq_f64): Likewise.
1808 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1810         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1811         VALLF.
1812         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1813         "aarch64_rsqrte<mode>".
1814         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1815         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1816         builtin.
1817         (vrsqrted_f64): Likewise.
1818         (vrsqrte_f32): Likewise.
1819         (vrsqrte_f64): Likewise.
1820         (vrsqrteq_f32): Likewise.
1821         (vrsqrteq_f64): Likewise.
1823 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1825         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1826         (ucvtf): Likewise.
1827         (fcvtzs): Likewise.
1828         (fcvtzu): Likewise.
1829         * config/aarch64/aarch64-simd.md
1830         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1831         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1832         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1833         Use builtin.
1834         (vcvt_n_f32_u32): Likewise.
1835         (vcvt_n_s32_f32): Likewise.
1836         (vcvt_n_u32_f32): Likewise.
1837         (vcvtq_n_f32_s32): Likewise.
1838         (vcvtq_n_f32_u32): Likewise.
1839         (vcvtq_n_f64_s64): Likewise.
1840         (vcvtq_n_f64_u64): Likewise.
1841         (vcvtq_n_s32_f32): Likewise.
1842         (vcvtq_n_s64_f64): Likewise.
1843         (vcvtq_n_u32_f32): Likewise.
1844         (vcvtq_n_u64_f64): Likewise.
1845         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1846         (VSDQ_SDI): Likewise.
1847         (fcvt_target): Support V4DI, V4SI and V2SI.
1848         (FCVT_TARGET): Likewise.
1850 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1852         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1853         (TYPES_BINOP_SUS): Likewise.
1854         (aarch64_simd_builtin_data): Update include file name.
1855         (aarch64_builtins): Likewise.
1856         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1857         for conversion between scalar float-point and fixed-point.
1858         (ucvtf): Likewise.
1859         (fcvtzs): Likewise.
1860         (fcvtzu): Likewise.
1861         * config/aarch64/aarch64.md
1862         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1863         pattern for conversion between scalar float to fixed-pointer.
1864         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1865         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1866         (UNSPEC_FCVTZU): Likewise.
1867         (UNSPEC_SCVTF): Likewise.
1868         (UNSPEC_UCVTF): Likewise.
1869         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1870         Use builtin.
1871         (vcvtd_n_f64_u64): Likewise.
1872         (vcvtd_n_s64_f64): Likewise.
1873         (vcvtd_n_u64_f64): Likewise.
1874         (vcvtd_n_f32_s32): Likewise.
1875         (vcvts_n_f32_u32): Likewise.
1876         (vcvtd_n_s32_f32): Likewise.
1877         (vcvts_n_u32_f32): Likewise.
1878         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1879         mapping.
1880         (FCVT_TARGET): Likewise.
1881         (FCVT_FIXED2F): New iterator.
1882         (FCVT_F2FIXED): Likewise.
1883         (fcvt_fixed_insn): New define_int_attr.
1885 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1887         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1888         some statements was removed.
1890 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1892         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1893         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1894         (vect_can_advance_ivs_p): likewise.
1895         (vect_update_ivs_after_vectorizer): likewise.
1896         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1897         (vect_analyze_scalar_cycles_1): likewise.
1898         (vect_analyze_loop_operations): likewise.
1899         (report_vect_op): likewise.
1900         (vect_is_slp_reduction): likewise.
1901         (vect_is_simple_reduction): likewise.
1902         (get_initial_def_for_induction): likewise.
1903         (vect_transform_loop): likewise.
1904         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1905         (vect_recog_sad_pattern): likewise.
1906         (vect_recog_widen_sum_pattern): likewise.
1907         (vect_recog_widening_pattern): likewise.
1908         (vect_recog_divmod_pattern): likewise.
1909         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1910         (vect_analyze_slp_instance): likewise.
1911         (vect_transform_slp_perm_load): likewise.
1912         (vect_schedule_slp_instance): likewise.
1914 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1916         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1917         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1918         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1919         (PRED_LOOP_BRANCH): Document predictor as broken.
1920         (PRED_LOOP_EXIT): Change hitrate 91->92.
1921         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1922         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1923         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1924         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1925         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1926         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1927         (PRED_CALL): Chane hitrate 71->67.
1928         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1929         (PRED_GOTO): Document as unused right now.
1930         (PRED_CONST_RETURN): Change hitrate 67->69
1931         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1932         (PRED_NULL_RETURN): Change hitrate 91->90.
1933         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1934         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1935         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1937 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1939         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1940         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1941         special case Altivec builtin.
1942         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1943         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1944         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1945         code for ALTIVEC_BUILTIN_VEC_MUL.
1946         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1947         for __builtin_vec_mul.
1949 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1951         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1952         -mno-htm.
1954 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1956         * spellcheck.c (selftest::test_find_closest_string): New function.
1957         (spellcheck_c_tests): Call the above.
1959 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1961         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1963 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1965         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1966         Yv=Yv,C alternatives.
1968 2016-06-07  Richard Biener  <rguenther@suse.de>
1970         PR c/61564
1971         * common.opt (ffast-math): Make Optimization.
1973 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1974             Prachi Godbole  <prachi.godbole@imgtec.com>
1976         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1977         `fabs' and `fneg' type attributes.
1978         (p5600_fpu_fabs): Add `fmove' to the comment.
1980 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1982         * gimple.c: Include builtins.h
1983         (gimple_inexpensive_call_p): New function.
1984         * gimple.h (gimple_inexpensive_call_p): Declare.
1985         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1986         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1987         fix formatting.
1989 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1991         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1992         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1993         warning_at_rich_loc, warning_n, pedwarn, permerror,
1994         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1995         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1996         Use the above.
1998 2016-06-07  Richard Biener  <rguenther@suse.de>
2000         PR tree-optimization/71428
2001         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
2002         BIT_FIELD_REF op vs. load.
2004 2016-06-07  Richard Biener  <rguenther@suse.de>
2006         PR middle-end/71423
2007         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2008         for signed ops.
2010 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2012         * config/pa/pa.md (call): Generate indirect long calls to non-local
2013         functions on TARGET_64BIT.
2014         (call_value): Likewise.
2016 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2018         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
2019         pattern and subsequent splitters.
2020         (call_val_reg_64bit_post_reload): Likewise.
2022 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2024         PR middle-end/71408
2025         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
2026         propagate_op_to_single_use.
2028 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2030         PR middle-end/71281
2031         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
2033 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
2035         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
2036         (enum x86_dirflag_state): New enum.
2037         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
2038         (machine_function): Remove needs_cld.
2039         (ix86_current_function_needs_cld): Remove.
2040         * config/i386/i386.c (ix86_set_func_type): Set
2041         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
2042         (ix86_expand_prologue): Do not emit CLD here.
2043         (ix86_dirflag_mode_needed): New function.
2044         (ix86_dirflag_mode_entry): Ditto.
2045         (ix86_mode_needed): Handle X86_DIRFLAG entity.
2046         (ix86_mode_after): Ditto.
2047         (ix86_mode_entry): Ditto.
2048         (ix86_mode_exit): Ditto.
2049         (ix86_emit_mode_set): Ditto.
2050         * config/i386/i386.md (strmov_singleop): Set
2051         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
2052         Do not set ix86_current_function_needs_cld.
2053         (rep_mov): Ditto.
2054         (strset_singleop): Ditto.
2055         (rep_stos): Ditto.
2056         (cmpstrnqi_nz_1): Ditto.
2057         (cmpstrnqi_1): Ditto.
2058         (strlenqi_1): Ditto.
2060 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
2062         PR tree-optimization/71259
2063         * tree-vect-slp.c (vect_get_constant_vectors): For
2064         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
2065         one for constant op, and use COND_EXPR for non-constant.
2067 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
2069         * Makefile.in (OBJS): Add function-tests.o,
2070         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
2071         selftest-run-tests.o.
2072         (OBJS-libcommon): Add selftest.o.
2073         (OBJS-libcommon-target): Add selftest.o.
2074         (all.internal): Add "selftest".
2075         (all.cross): Likewise.
2076         (selftest): New phony target.
2077         (s-selftest): New target.
2078         (selftest-gdb): New phony target.
2079         (COLLECT2_OBJS): Add selftest.o.
2080         * bitmap.c: Include "selftest.h".
2081         (selftest::test_gc_alloc): New function.
2082         (selftest::test_set_range): New function.
2083         (selftest::test_clear_bit_in_middle): New function.
2084         (selftest::test_copying): New function.
2085         (selftest::test_bitmap_single_bit_set_p): New function.
2086         (selftest::bitmap_c_tests): New function.
2087         * common.opt (fself-test): New.
2088         * diagnostic-show-locus.c: Include "selftest.h".
2089         (make_range): New function.
2090         (test_range_contains_point_for_single_point): New function.
2091         (test_range_contains_point_for_single_line): New function.
2092         (test_range_contains_point_for_multiple_lines): New function.
2093         (assert_eq): New function.
2094         (test_get_line_width_without_trailing_whitespace): New function.
2095         (selftest::diagnostic_show_locus_c_tests): New function.
2096         * et-forest.c: Include "selftest.h".
2097         (selftest::test_single_node): New function.
2098         (selftest::test_simple_tree): New function.
2099         (selftest::test_disconnected_nodes): New function.
2100         (selftest::et_forest_c_tests): New function.
2101         * fold-const.c: Include "selftest.h".
2102         (selftest::assert_binop_folds_to_const): New function.
2103         (selftest::assert_binop_folds_to_nonlvalue): New function.
2104         (selftest::test_arithmetic_folding): New function.
2105         (selftest::fold_const_c_tests): New function.
2106         * function-tests.c: New file.
2107         * gimple.c: Include "selftest.h".
2108         Include "gimple-pretty-print.h".
2109         (selftest::verify_gimple_pp): New function.
2110         (selftest::test_assign_single): New function.
2111         (selftest::test_assign_binop): New function.
2112         (selftest::test_nop_stmt): New function.
2113         (selftest::test_return_stmt): New function.
2114         (selftest::test_return_without_value): New function.
2115         (selftest::gimple_c_tests): New function.
2116         * hash-map-tests.c: New file.
2117         * hash-set-tests.c: New file.
2118         * input.c: Include "selftest.h".
2119         (selftest::assert_loceq): New function.
2120         (selftest::test_accessing_ordinary_linemaps): New function.
2121         (selftest::test_unknown_location): New function.
2122         (selftest::test_builtins): New function.
2123         (selftest::test_reading_source_line): New function.
2124         (selftest::input_c_tests): New function.
2125         * rtl-tests.c: New file.
2126         * selftest-run-tests.c: New file.
2127         * selftest.c: New file.
2128         * selftest.h: New file.
2129         * spellcheck.c: Include "selftest.h".
2130         (selftest::levenshtein_distance_unit_test_oneway): New function,
2131         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
2132         (selftest::levenshtein_distance_unit_test): Likewise.
2133         (selftest::spellcheck_c_tests): Likewise.
2134         * toplev.c: Include selftest.h.
2135         (toplev::run_self_tests): New.
2136         (toplev::main): Handle -fself-test.
2137         * toplev.h (toplev::run_self_tests): New.
2138         * tree.c: Include "selftest.h".
2139         (selftest::test_integer_constants): New function.
2140         (selftest::test_identifiers): New function.
2141         (selftest::test_labels): New function.
2142         (selftest::tree_c_tests): New function.
2143         * tree-cfg.c: Include "selftest.h".
2144         (selftest::push_fndecl): New function.
2145         (selftest::test_linear_chain): New function.
2146         (selftest::test_diamond): New function.
2147         (selftest::test_fully_connected): New function.
2148         (selftest::tree_cfg_c_tests): New function.
2149         * vec.c: Include "selftest.h".
2150         (selftest::safe_push_range): New function.
2151         (selftest::test_quick_push): New function.
2152         (selftest::test_safe_push): New function.
2153         (selftest::test_truncate): New function.
2154         (selftest::test_safe_grow_cleared): New function.
2155         (selftest::test_pop): New function.
2156         (selftest::test_safe_insert): New function.
2157         (selftest::test_ordered_remove): New function.
2158         (selftest::test_unordered_remove): New function.
2159         (selftest::test_block_remove): New function.
2160         (selftest::reverse_cmp): New function.
2161         (selftest::test_qsort): New function.
2162         (selftest::vec_c_tests): New function.c.
2163         * wide-int.cc: Include selftest.h and wide-int-print.h.
2164         (selftest::from_int <wide_int>): New function.
2165         (selftest::from_int <offset_int>): New function.
2166         (selftest::from_int <widest_int>): New function.
2167         (selftest::assert_deceq): New function.
2168         (selftest::assert_hexeq): New function.
2169         (selftest::test_printing <VALUE_TYPE>): New function template.
2170         (selftest::test_ops <VALUE_TYPE>): New function template.
2171         (selftest::test_comparisons <VALUE_TYPE>): New function template.
2172         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
2173         template.
2174         (selftest::wide_int_cc_tests): New function.
2176 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2178         PR middle-end/37780
2179         * ifcvt.c (noce_try_ifelse_collapse): New function.
2180         Declare prototype.
2181         (noce_process_if_block): Call noce_try_ifelse_collapse.
2182         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
2183         (simplify_ternary_operation): Use the above to simplify
2184         conditional CLZ/CTZ expressions.
2186 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2188         PR middle-end/37780
2189         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
2190         define_insn_and_split.
2192 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2194         PR middle-end/37780
2195         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
2197 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2199         PR c/24414
2200         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
2201         Implicitly clobber memory for basic asm with non-empty assembler
2202         string.  Use targetm.md_asm_adjust also here.
2203         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
2204         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
2205         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
2206         non-empty assembler string.
2207         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
2208         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
2209         (decode_asm_operands): Handle basic asm in PARALLEL block.
2210         (extract_insn): Handle basic asm in PARALLEL block.
2211         * doc/extend.texi: Mention new behavior of basic asm.
2212         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
2213         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
2214         branch_needs_nop_p): Use asm_noperands.
2216 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
2218         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
2219         Include the M7 SPARC DFA scheduler.
2220         New attribute v3pipe.
2221         Annotate insns with v3pipe where appropriate.
2222         Define cpu_feature vis4.
2223         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
2224         Add (V8QI "8") to vbits.
2225         Add insns {add,sub}v8qi3
2226         Add insns ss{add,sub}v8qi3
2227         Add insns us{add,sub}{v8qi,v4hi}3
2228         Add insns {min,max}{v8qi,v4hi,v2si}3
2229         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
2230         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
2231         * config/sparc/niagara4.md: Add a comment explaining the
2232         discrepancy between the documented latenty numbers and the
2233         implemented ones.
2234         * config/sparc/niagara7.md: New file.
2235         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
2236         supports SPARC5 and VIS 4.0 instructions.
2237         * configure: Regenerate.
2238         * config.in: Likewise.
2239         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
2240         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
2241         TARGET_CPU_niagara7.
2242         (ASM_CPU64_DEFAULT_SPEC): Likewise.
2243         (CPP_CPU_SPEC): Handle niagara7.
2244         (ASM_CPU_SPEC): Likewise.
2245         * config/sparc/sparc-opts.h (processor_type): Add
2246         PROCESSOR_NIAGARA7.
2247         (mvis4): New option.
2248         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
2249         (AS_NIAGARA7_FLAG): Define.
2250         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
2251         (CPP_CPU64_DEFAULT_SPEC): Likewise.
2252         (CPP_CPU_SPEC): Handle niagara7.
2253         (ASM_CPU_SPEC): Likewise.
2254         * config/sparc/sparc.c (niagara7_costs): Define.
2255         (sparc_option_override): Handle niagara7 and adjust cache-related
2256         parameters with better values for niagara cpus.  Also support VIS4.
2257         (sparc32_initialize_trampoline): Likewise.
2258         (sparc_use_sched_lookahead): Likewise.
2259         (sparc_issue_rate): Likewise.
2260         (sparc_register_move_cost): Likewise.
2261         (dump_target_flag_bits): Support VIS4.
2262         (sparc_vis_init_builtins): Likewise.
2263         (sparc_builtins): Likewise.
2264         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
2265         VIS4 4.0.
2266         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
2267         UltraSparc M7.
2268         * config/sparc/sparc.opt (sparc_processor_type): New value
2269         niagara7.
2270         * config/sparc/visintrin.h (__attribute__): Prototypes for the
2271         VIS4 builtins.
2272         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
2273         -mvis4.
2274         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
2275         VIS4 builtins.
2277 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
2279         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
2281 2016-06-06  Richard Biener  <rguenther@suse.de>
2283         PR tree-optimization/71398
2284         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
2285         remove edges.
2287 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
2289         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
2290         ft32_expand_prolog, ft32_expand_epilogue):
2291         Handle pretend_args.
2292         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
2293         * config/ft32/ft32.md: Add pretend_returner.
2295 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
2297         PR target/71389
2298         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2299         Copy op1 RTX to avoid invalid sharing.
2300         (ix86_expand_vector_move_misalign): Ditto.
2302 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
2304         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
2305         ATTRIBUTE_UNUSED.
2307 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2309         * predict.c (predicted_by_loop_heuristics_p): New function.
2310         (predict_iv_comparison): Use it.
2311         (predict_loops): Walk from innermost loops; do not predict edges
2312         leaving multiple loops multiple times; implement
2313         PRED_LOOP_ITERATIONS_MAX heuristics.
2314         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
2316 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2318         * cfg.c (check_bb_profile): Do not report mismatched profiles when
2319         only edges out of BB are EH edges.
2321 2016-06-04  Martin Sebor  <msebor@redhat.com>
2322             Marcin Baczyński  <marbacz@gmail.com>
2324         PR c/48116
2325         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
2326         a void expression in a void function.
2328 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2330         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
2331         aux; dump reasons of decisions.
2332         (should_duplicate_loop_header_p): Likewise.
2333         (do_while_loop_p): Likewise.
2334         (ch_base::copy_headers): Dump asi num insns duplicated.
2336 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
2338         PR tree-optimization/71405
2339         * tree-ssa.c (execute_update_addresses_taken): For clobber with
2340         incompatible type, build a new clobber with the right type instead
2341         of building a VIEW_CONVERT_EXPR around it.
2343 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2345         PR tree-optimization/52171
2346         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
2347         by_pieces_ninsns instead of move_by_pieces_ninsns.
2349 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2351         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
2352         for reg+reg addressing mode.
2354 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2356         * rs6000-c.c (c/c-tree.h): Add #include.
2357         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
2358         in C++ when found in the base position of vec_ld or vec_st.
2360 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2362         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
2363         use of profile unless profile status is PROFILE_READ.
2364         * profile.c (compute_branch_probabilities): Set profile status
2365         only after reporting predictor hitrates.
2367 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
2369         PR target/71276
2370         PR target/71277
2371         * common.opt (ffp-int-builtin-inexact): New option.
2372         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2373         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2374         (ceil@var{m}2): Document dependence on this option.
2375         * ipa-inline-transform.c (inline_call): Handle
2376         flag_fp_int_builtin_inexact.
2377         * ipa-inline.c (can_inline_edge_p): Likewise.
2378         * config/i386/i386.md (rintxf2): Do not test
2379         flag_unsafe_math_optimizations.
2380         (rint<mode>2_frndint): New define_insn.
2381         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
2382         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
2383         for 387 instead of extending and truncating.
2384         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
2385         !flag_trapping_math instead of flag_unsafe_math_optimizations.
2386         Change to frndint<mode>2_<rounding>.
2387         (frndintxf2_<rounding>_i387): Likewise.  Change to
2388         frndint<mode>2_<rounding>_i387.
2389         (<rounding_insn>xf2): Likewise.
2390         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
2391         !flag_trapping_math instead of flag_unsafe_math_optimizations for
2392         x87.  Test TARGET_ROUND || !flag_trapping_math ||
2393         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
2394         SSE.  Use ROUND_NO_EXC in constant operand of
2395         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
2396         for 387 instead of extending and truncating.
2398 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2399             Julia Koval  <julia.koval@intel.com>
2401         PR target/66960
2402         PR target/67630
2403         PR target/67634
2404         PR target/67841
2405         PR target/68037
2406         PR target/68618
2407         PR target/68661
2408         PR target/69575
2409         PR target/69596
2410         PR target/69734
2411         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
2412         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
2413         all registers, except for function return registers if there are
2414         no caller-saved registers.
2415         (ix86_set_func_type): New function.
2416         (ix86_set_current_function): Call ix86_set_func_type to set
2417         no_caller_saved_registers and func_type.  Call reinit_regs if
2418         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
2419         nor x87 instructions in interrupt handler nor function with
2420         no_caller_saved_registers attribute.
2421         (ix86_function_ok_for_sibcall): Return false if there are no
2422         caller-saved registers.
2423         (type_natural_mode): Don't warn ABI change for MMX in interrupt
2424         handler.
2425         (ix86_function_arg_advance): Skip for callee in interrupt handler.
2426         (ix86_function_arg): Return special arguments in interrupt handler.
2427         (ix86_promote_function_mode): Promote pointer to word_mode only
2428         for normal functions.
2429         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
2430         interrupt handler.
2431         (ix86_epilogue_uses): New function.
2432         (ix86_hard_regno_scratch_ok): Likewise.
2433         (ix86_save_reg): Preserve all registers in interrupt handler
2434         after reload.  Preserve all registers, except for function return
2435         registers, if there are no caller-saved registers after reload.
2436         (find_drap_reg): Always use callee-saved register if there are
2437         no caller-saved registers.
2438         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
2439         for interrupt handler.
2440         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
2441         Emit cld instruction if stringops are used in interrupt handler
2442         or interrupt handler isn't a leaf function.
2443         (ix86_expand_epilogue): Generate interrupt return for interrupt
2444         handler and pop the 'ERROR_CODE' off the stack before interrupt
2445         return in exception handler.
2446         (ix86_expand_call): Disallow calling interrupt handler directly.
2447         If there are no caller-saved registers, mark all registers that
2448         are clobbered by the call which returns as clobbered.
2449         (ix86_handle_no_caller_saved_registers_attribute): New function.
2450         (ix86_handle_interrupt_attribute): Likewise.
2451         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
2452         attributes.
2453         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
2454         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
2455         accumulation in interrupt function if stack may be realigned to
2456         avoid DRAP.
2457         (EPILOGUE_USES): New.
2458         (function_type): New enum.
2459         (machine_function): Add func_type and no_caller_saved_registers.
2460         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2461         (interrupt_return): New pattern.
2462         * doc/extend.texi: Document x86 interrupt and
2463         no_caller_saved_registers attributes.
2465 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2467         PR tree-optimization/52171
2468         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2469         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2470         Look for constant strings.  Move some code to emit_block_cmp_hints
2471         and use it.
2472         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2473         * defaults.h (COMPARE_MAX_PIECES): New macro.
2474         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2475         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2476         (clear_by_pieces_1): Don't declare.  Move definition before use.
2477         (can_do_by_pieces): New static function.
2478         (can_move_by_pieces): Use it.  Return bool.
2479         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2480         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2481         (class pieces_addr); New.
2482         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2483         pieces_addr::adjust, pieces_addr::increment_address,
2484         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2485         functions for it.
2486         (class op_by_pieces_d): New.
2487         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2488         functions for it.
2489         (class move_by_pieces_d, class compare_by_pieces_d,
2490         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2491         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2492         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2493         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2494         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2495         compare_by_pieces_d::finish_mode): New member functions.
2496         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2497         functions.
2498         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2499         (emit_block_cmp_hints): New function.
2500         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2501         use the newly defined classes.
2502         * expr.h (by_pieces_constfn): New typedef.
2503         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2504         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2505         (move_by_pieces_ninsns): Don't declare.
2506         (can_move_by_pieces): Change return value to bool.
2507         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2508         (compare_by_pieces_branch_ratio): New hook.
2509         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2510         (by_pieces_ninsns): Declare.
2511         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2512         COMPARE_BY_PIECES.
2513         (default_compare_by_pieces_branch_ratio): New function.
2514         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2515         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2516         * doc/tm.texi: Regenerate.
2517         * tree-ssa-strlen.c: Include "builtins.h".
2518         (handle_builtin_memcmp): New static function.
2519         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2520         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2522 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2524         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2525         relevant stmts which are simple and invariant.
2526         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2527         instead of simple and invariant
2529 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2531         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2532         (vectorizable_reduction): Check for new relevant state.
2533         (vectorizable_live_operation): vectorize live stmts using
2534         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2535         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2536         (vect_stmt_relevant_p): Check for stmts which are only used live.
2537         (process_use): Use of a stmt does not inherit it's live value.
2538         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2539         (vect_analyze_stmt): Check for new relevant state.
2540         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2541         outside the loop, but not inside it.
2543 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2545         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2546         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2547         (vect_get_vec_def_for_operand): Split out code.
2549 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2551         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2553 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2555         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2557 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2559         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2561 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2563         PR middle-end/71387
2564         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2565         to noreturn e->callee->decl that has void return type and void
2566         arguments, adjust gimple_call_fntype and remove lhs even if it had
2567         previously addressable type.
2569 2016-06-02  Jeff Law  <law@redhat.com>
2571         PR tree-optimization/71328
2572         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2573         error when checking for a jump back onto the copied path.
2575 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2577         * config/microblaze/microblaze.c (get_branch_target): Add return
2578         NULL_RTX for the non-CALL_P case.
2579         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2580         (insert_wic): Remove unused local "j".
2582 2016-06-02  Martin Liska  <mliska@suse.cz>
2584         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2586 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2587             Julia Koval  <julia.koval@intel.com>
2589         * function.c (assign_parm_setup_stack): Force source into a
2590         register if needed.
2591         * target.def (function_incoming_arg): Update documentation to
2592         allow arbitrary address computation based on hard register.
2593         * doc/tm.texi: Regenerated.
2595 2016-06-02  Martin Liska  <mliska@suse.cz>
2597         * predict.c (combine_predictions_for_bb): Fix first match in
2598         cases where a first predictor contains more than one occurence
2599         in list of predictors.  Take the best value in such case.
2601 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2603         PR rtl-optimization/71295
2604         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2605         offset would go over the size of the inner mode reject it.
2607 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2609         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2610         x=x,x and v=v,m instead of x=x,m.
2612         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2613         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2614         alternative to v=rm,C.
2616         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2617         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2618         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2619         instead of vex for the last two above mentioned alternatives.
2621 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2623         PR target/70830
2624         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2626 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2628         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2630 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2632         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2633         from int to unsigned.
2635 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2637         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2638         alternatives, eliminating preferred register class.  Add support
2639         for the MTVSRDD instruction in ISA 3.0.
2640         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2641         reg_or_indexed_operand.
2642         (vsx_splat_v4sf_internal): Likewise.
2644 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2646         PR target/71186
2647         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2648         for loading up all 0's or all 1's.
2650 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2652         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2654 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2656         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2657         extension.
2658         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2659         * gcc.c (set_source_date_epoch_envvar): New function, sets
2660         the SOURCE_DATE_EPOCH environment variable to the current time.
2662 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2664         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2665         the factor for live Phi nodes.
2667 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2669         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2670         * tree-parloops.c (parallelize_loops): likewise.
2671         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2672         tree_unswitch_outer_loop): likewise.
2674 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2676         PR middle-end/71371
2677         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2678         around creation of the temporary.
2680 2016-06-01  Richard Biener  <rguenther@suse.de>
2682         PR tree-optimization/71366
2683         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2684         (unloop_loops): Move removing edges here ...
2685         (try_unroll_loop_completely): ... from here.
2686         (try_peel_loop): ... and here.
2687         (tree_unroll_loops_completely_1): Track parent loops via
2688         bitmap of header BBs.
2689         (tree_unroll_loops_completely): Adjust for that.
2691 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2693         * config/rs6000/altivec.h (vec_slv): New macro.
2694         (vec_srv): New macro.
2695         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2696         (UNSPEC_VSRV): New value.
2697         (vslv): New insn.
2698         (vsrv): New insn.
2699         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2700         (vsrv): New builtin definition.
2701         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2702         define argument types for new builtin.
2703         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2704         new builtin.
2705         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2706         functions.
2708 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2709             Jocelyn Mayer  <l_indien@magic.fr>
2711         PR target/67310
2712         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2713         detect processor family for signature_CENTAUR_ebx.
2714         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2715         signature_CENTAUR_ebx.
2716         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2717         <default>: Pass x86-64 for has_longmode.
2719 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2721         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2722         undefined weak.
2724 2016-06-01  Richard Biener  <rguenther@suse.de>
2726         PR tree-optimization/71261
2727         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2728         of stmts successfully put in the bool pattern.  Remove
2729         single-use restriction.
2730         (adjust_bool_pattern_cast): Add cast at the use site via the
2731         pattern def sequence.
2732         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2733         of patterned defs.  Use the pattern def seqence instead of
2734         multiple independent patterns.
2735         (sort_after_uid): New qsort compare function.
2736         (adjust_bool_stmts): New function to process stmts in the bool
2737         pattern in IL order.
2738         (vect_recog_bool_pattern): Adjust.
2739         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2740         (ifcvt_walk_pattern_tree): Likewise.
2741         (stmt_is_root_of_bool_pattern): Likewise.
2742         (ifcvt_repair_bool_pattern): Likewise.
2743         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2745 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2747         * loop-unroll.c (decide_unroll_constant_iterations,
2748         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2749         likely upper bounds.
2750         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2752 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2754         * tree-core.h (enum omp_clause_code): Remove
2755         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2757 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2759         * config/arm/sync.md (arm_store_exclusive<mode>):
2760         Use 'H' output modifier on operands[2] rather than creating a new
2761         entry in out-of-bounds memory of the operands array.
2762         (arm_store_release_exclusivedi): Likewise.
2764 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2766         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2767         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2768         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2769         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2771 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2773         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2774         into account live statements for mask producers.
2776 2016-06-01  Richard Biener  <rguenther@suse.de>
2778         PR tree-optimization/71311
2779         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2780         restrict to non-INTEGER_CST @0.
2782 2016-06-01  Richard Biener  <rguenther@suse.de>
2784         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2785         (relational patterns): Use :c to avoid pattern duplications.
2787 2016-06-01  Richard Biener  <rguenther@suse.de>
2789         * genmatch.c (comparison_code_p): New predicate.
2790         (swap_tree_comparison): New function.
2791         (commutate): Add for_vec parameter to append new for entries.
2792         Support commutating relational operators by swapping it alongside
2793         operands.
2794         (lower_commutative): Adjust.
2795         (dt_simplify::gen): Do not pass artificial operators to gen
2796         functions.
2797         (decision_tree::gen): Do not add artificial operators as parameters.
2798         (parser::parse_expr): Verify operator commutativity when :c is
2799         applied.  Allow :C to override this.
2800         * match.pd: Adjust patterns to use :C instead of :c where required.
2802 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2804         PR tree-optimization/71077
2805         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2806         the combining step, use boolean_false_node and boolean_true_node
2807         as the designated false/true return values.
2809 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2811         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2812         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2813         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2814         PRED_LOOP_EXIT.
2816 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2818         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2819         of flags impliying the register renaming.
2820         * toplev.c (process_options): Do not imply flag_rename_registers with
2821         loop peeling.
2823 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2825         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2826         default implementation.
2828 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2830         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2832 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2834         * config/sh/constraints.md (b): Remove constraint.
2835         * config/sh/predicates.md (arith_reg_operand): Remove
2836         TARGET_REGISTER_P.
2837         * config/sh/sh-modes.def (PDI): Remove.
2838         * config/sh/sh.c (sh_target_reg_class,
2839         sh_optimize_target_register_callee_saved): Remove functions.
2840         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2841         (sh_expand_epilogue): Update comment.
2842         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2843         sh_secondary_reload): Remove TARGET_REGS related code.
2844         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2845         TARGET_REGISTER_P): Remove macros.
2846         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2847         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2848         TR1_REG, TR2_REG): Remove constants.
2849         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2851 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2853         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2854         define_expand patterns.
2855         (adddi3_compact): Rename to adddi3.
2856         (subdi3_compact): Rename to subdi3.
2857         (*negdi2): Rename to negdi2.
2858         (*abs<mode>2): Rename to abs<mode>2.
2860 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2862         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2863         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2864         (atomic_sub_fetchsi): ... this new pattern.
2865         (mvtc): Add CC_REG clobber.
2867 2016-05-31  Marek Polacek  <polacek@redhat.com>
2869         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2871 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2873         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2874         aarch64_fusion_enabled_p to check for fusion capabilities.
2876 2016-05-31  Richard Biener  <rguenther@suse.de>
2878         PR tree-optimization/71352
2879         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2880         minus one and a negate.
2882 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2884         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2885         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2886         Delete prototype.
2887         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2888         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2889         Remove use of aarch64_simd_attr_length_move, set length attribute
2890         directly.
2891         (*aarch64_be_movoi): Likewise.
2892         (*aarch64_be_movci): Likewise.
2893         (*aarch64_be_movxi): Likewise.
2895 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2897         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2898         It no longer does that.
2899         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2901 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2903         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2904         attribute __unused__.
2906 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2908         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2909         * config/arm/arm.c (arm_arch_thumb1): Define.
2910         (arm_option_override): Initialize arm_arch_thumb1.
2911         * config/arm/arm.h (arm_arch_thumb1): Declare.
2912         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2913         support Thumb-1 ISA.
2915 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2917         PR target/71346
2918         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2919         `Yv' for scalar operand.
2921 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2923         PR tree-optimization/69068
2924         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2925         phis with more than two args.
2927 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2929         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2930         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2931         target.
2933 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2935         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2936         tune_64.
2937         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2938         support on SPARC.
2939         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2940         cpu_32, cpu_64, tune_32 and tune_64.
2941         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2943 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2945         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2947 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2949         * auto-profile.c (read_profile): Replace asserts with errors
2950         when file does not exist.
2951         * gcov-io.c (gcov_read_words): Dito.
2953 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2955         * tree-cfg.c (print_loop): Print likely upper bounds.
2957 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2959         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2960         * opts.c (default_options): Enable peel loops at -O3.
2961         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2962         (try_peel_loop): Do not re-peel already peeled loops;
2963         use likely upper bounds; fix profile updating.
2964         (pass_complete_unroll::execute): Initialize peeled_loops.
2966 2016-05-30  Martin Liska  <mliska@suse.cz>
2968         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2969         computed costs by frequency of BB they belong to.
2970         (get_scaled_computation_cost_at): New function.
2972 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2973             Marc Glisse  <marc.glisse@inria.fr>
2975         PR tree-optimization/71289
2976         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2978 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2980         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2982 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2984         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2985         for peeled copies; avoid underflow when updating estimates; correctly
2986         scale loop profile.
2988 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2990         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2991         r236875. Corrected oe3 to oe2 as obvious.
2993 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2995         PR middle-end/71269
2996         PR middle-end/71252
2997         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2998         that inserted stmt will not dominate stmts that defines its operand.
2999         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
3000         (rewrite_expr_tree_parallel): Likewise.
3002 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
3004         PR middle-end/71252
3005         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
3006         all fields including stmt_to_insert are swapped.
3008 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3010         * predict.h (force_edge_cold): Declare.
3011         * predict.c (force_edge_cold): New function.
3012         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
3013         updating.
3014         (canonicalize_loop_induction_variables): Fix formating.
3016 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3018         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3019         (visium_expand_copysign): Use gen_int_mode directly.
3020         (visium_compute_frame_size): Minor tweaks.
3022 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3024         * tree-vect-loop.c (vect_analyze_loop_2): Use
3025         likely_max_stmt_executions_int.
3027 2016-05-30  Tom de Vries  <tom@codesourcery.com>
3029         PR tree-optimization/69067
3030         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
3032 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
3034         PR target/71245
3035         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3036         New peepholes to remove unneeded fild/fistp pairs.
3037         (define_peephole2 atomic_loaddi_fpu): Ditto.
3039 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3041         * predict.c (maybe_hot_frequency_p): Avoid division.
3043 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
3045         * doc/install.texi: Use https for shop.fsf.org.
3047 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3049         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
3050         likely_max_stmt_executions_int.
3052 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3054         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
3055         likely_max_stmt_executions_int.
3057 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3059         * profile.c (compute_branch_probabilities): Do not report hitrates
3060         here.
3061         (branch_prob): Report hitrates here.
3062         * predict.c (gimple_predict_edge): Do not assert profile status;
3063         fix formatting issues.
3065 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3067         * predict.c (edge_predicted_by_p): New function.
3068         (predict_paths_for_bb): Do not put multiple predictions of the same type
3069         on one edge.
3071 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3073         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
3074         commit.
3076 2016-05-28  Alan Modra  <amodra@gmail.com>
3078         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
3080 2016-05-28  Alan Modra  <amodra@gmail.com>
3082         PR rtl-optimization/71275
3083         * ira.c (ira): Free dominance info.
3085 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
3087         * doc/sourcebuild.texi: New address for upstream Go repository.
3089 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3091         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
3092         (TARGET_ARM_V7M): Likewise.
3094 2016-05-26  Jeff Law  <law@redhat.com>
3096         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
3097         (thread_across_edge): Remove calls to find_jump_threads_backwards.
3098         * passes.def: Add jump threading passes before DOM/VRP.
3099         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
3100         argument to a basic block from an edge.  Remove tests which are
3101         handled elsewhere.
3102         (pass_data_thread_jumps, class pass_thread_jumps): New.
3103         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
3104         (make_pass_thread_jumps): Likewise.
3105         * tree-pass.h (make_pass_thread_jumps): Declare.
3107 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3109         * config/visium/visium-protos.h (split_double_move): Rename into...
3110         (visium_split_double_move): ...this.
3111         (visium_split_double_add): Declare.
3112         * config/visium/visium.c (split_double_move): Rename into...
3113         (visium_split_double_move): ...this.
3114         (visium_split_double_add): New function.
3115         (visium_expand_copysign): Renumber operands for consistency.
3116         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
3117         (DFmode move splitter): Likewise.
3118         (*addi3_insn): Split by means of visium_split_double_add.
3119         (*adddi3_insn_flags): Delete.
3120         (*plus_plus_sltu<subst_arith>): New insn.
3121         (*subdi3_insn): Split by means of visium_split_double_add.
3122         (subdi3_insn_flags): Delete.
3123         (*minus_minus_sltu<subst_arith>): New insn.
3124         (*negdi2_insn): Split by means of visium_split_double_add.
3125         (*negdi2_insn_flags): Delete.
3127 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
3129         * configure.ac: Treat a --with-headers option without argument
3130         the same as the default (i.e. consult sys-include directory).
3131         * configure: Regenerate.
3133 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3135         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
3136         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
3137         prototype.
3138         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
3139         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
3141 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3143         PR target/63596
3144         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
3145         tree-stdarg analysis results.
3146         (aarch64_setup_incoming_varargs): Likewise.
3148 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3150         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
3151         va_list_gpr_counter_field and va_list_fpr_counter_field.
3153 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
3155         PR67609
3156         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
3157         * config/aarch64/aarch64.c
3158         (aarch64_cannot_change_mode_class): Remove function.
3159         * config/aarch64/aarch64-protos.h
3160         (aarch64_cannot_change_mode_class): Remove.
3162 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3164         * cfgloop.c (record_niter_bound): Record likely upper bounds.
3165         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
3166         get_likely_max_loop_iterations_int): New.
3167         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
3168         any_likely_upper_bound.
3169         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
3170         Declare.
3171         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
3172         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
3173         upper bound.
3174         (unroll_loop_constant_iterations): Likewise.
3175         (unroll_loop_runtime_iterations): Likewise.
3176         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
3177         * lto-streamer-out.c (output_cfg): Likewise.
3178         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
3179         bounds.
3180         (canonicalize_loop_induction_variables): Dump likely upper bounds.
3181         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
3182         (likely_max_loop_iterations): New.
3183         (likely_max_loop_iterations_int): New.
3184         (likely_max_stmt_executions): New.
3185         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
3186         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
3187         likely_max_stmt_executions): Declare.
3189 2016-05-27  Marek Polacek  <polacek@redhat.com>
3191         PR middle-end/71308
3192         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
3194 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3196         * config/s390/s390.md (2x risbg splitters): Use
3197         reg_overlap_mentioned_p instead of rtx_equal_p.
3199 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3201         * combine.c (make_compound_operation): Take known zero bits into
3202         account when checking for possible zero_extend.
3204 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3206         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
3207         Use const_int_operand for operand 2 predicate.  Simplify expand code
3208         as a result.
3210 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
3212         PR middle-end/71279
3213         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
3214         into comparison.
3216 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3218         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
3219         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
3220         that returns CC_SESWPmode and CC_ZESWPmode.
3221         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
3222         and CC_SESWPmode.
3223         (aarch64_rtx_costs): Likewise.
3225 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3227         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
3228         for ISA 3.0 min/max support.
3229         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
3230         conditional move support.
3231         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
3232         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
3233         available.
3234         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
3235         conditional moves where the comparison type is different from move
3236         type.
3237         (fp_minmax): New code iterator for smin/smax.
3238         (minmax): New code attributes for min/max.
3239         (SMINMAX): Likewise.
3240         (smax<mode>3): Combine min, max insns into one insn using the
3241         fp_minmax code iterator.  Add support for ISA 3.0 min/max
3242         instructions that don't need -ffast-math.
3243         (s<minmax><mode>3): Likewise.
3244         (smax<mode>3_vsx): Likewise.
3245         (smin<mode>3): Likewise.
3246         (s<minmax><mode>3_vsx): Likewise.
3247         (smin<mode>3_vsx): Likewise.
3248         (pre-VSX min/max splitters): Likewise.
3249         (s<minmax><mode>3_fpr): Likewise.
3250         (movsfcc): Rewrite floating point conditional moves to combine
3251         SFmode/DFmode into a single insn.
3252         (mov<mode>cc): Likewise.
3253         (movdfcc): Likewise.
3254         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
3255         SFDF2 iterators to handle all combinations.
3256         (fseldfsf4): Likewise.
3257         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
3258         (fseldfdf4): Likewise.
3259         (fselsfdf4): Likewise.
3260         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
3261         comparison instructions that set a 0/-1 mask, and use it for
3262         floating point conditional move via XXSEL.
3263         (fpmask<mode>): Likewise.
3264         (xxsel<mode>): Likewise.
3265         * config/rs6000/predicates.md (min_max_operator): Delete, no
3266         longer used.
3267         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
3268         instructions that generate a 0/-1 mask for use with XXSEL.
3269         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
3270         say whether floating point min/max is available, either through
3271         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
3272         (TARGET_MINMAX_DF): Likewise.
3274 2016-05-27  Alan Modra  <amodra@gmail.com>
3276         PR rtl-optimization/71275
3277         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
3278         for update_equiv_regs and combine_and_move_insns.
3280 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
3282         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
3283         if_then_else or cond RTXes to calculate attribute value.
3284         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
3285         <attr "length_immediate>: Ditto.
3286         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
3287         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
3288         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
3289         <attr "type">: Ditto.
3290         <attr "prefix_data16">: Ditto.
3291         <attr "prefix_extra">: Ditto.
3292         <attr "length_immediate">: Ditto.
3293         <attr "prefix">: Ditto.
3294         (vec_set<mode>_0) <attr "isa">: Ditto.
3295         <attr "prefix_extra">: Ditto.
3296         <attr "length_immediate">: Ditto.
3297         <attr "prefix">: Ditto.
3298         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
3299         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
3300         (sse2_storelpd) <attr "prefix_data16">: Ditto.
3301         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
3302         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
3303         <attr "length_immediate">: Ditto.
3304         <attr "prefix">: Ditto.
3305         (sse2_movsd) <attr "length_immediate">: Ditto.
3306         <attr "prefix">: Ditto.
3307         (vec_concatv2df)  <attr "isa">: Ditto.
3308         <attr "prefix">: Ditto.
3309         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
3310         (*vec_extractv2di_1) <attr "isa">: Ditto.
3311         <attr "type">: Ditto.
3312         <attr "length_immediate">: Ditto.
3313         <attr "prefix_rex">: Ditto.
3314         <attr "prefix_extra">: Ditto.
3315         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
3316         <attr "prefix_extra">: Ditto.
3317         <attr "length_immediate">: Ditto.
3318         (vec_concatv2di) <attr "isa">: Ditto.
3319         <attr "prefix_extra">: Ditto.
3320         <attr "length_immediate">: Ditto.
3321         <attr "prefix">: Ditto.
3323 2016-05-26  Martin Liska  <mliska@suse.cz>
3325         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
3326         function.
3327         (operator+): Likewise.
3328         (operator-): Likewise.
3329         (comp_cost::operator+=): Likewise.
3330         (comp_cost::operator-=): Likewise.
3331         (comp_cost::operator/=): Likewise.
3332         (comp_cost::operator*=): Likewise.
3333         (operator<): Likewise.
3334         (operator==): Likewise.
3335         (operator<=): Likewise.
3336         (new_cost): Remove.
3337         (infinite_cost_p): Likewise.
3338         (add_costs): Likewise.
3339         (sub_costs): Likewise.
3340         (compare_costs): Likewise.
3341         (set_group_iv_cost): Use the newly introduced functions.
3342         (get_address_cost): Likewise.
3343         (get_shiftadd_cost): Likewise.
3344         (force_expr_to_var_cost): Likewise.
3345         (split_address_cost): Likewise.
3346         (ptr_difference_cost): Likewise.
3347         (difference_cost): Likewise.
3348         (get_computation_cost_at): Likewise.
3349         (determine_group_iv_cost_generic): Likewise.
3350         (determine_group_iv_cost_address): Likewise.
3351         (determine_group_iv_cost_cond): Likewise.
3352         (autoinc_possible_for_pair): Likewise.
3353         (determine_group_iv_costs): Likewise.
3354         (cheaper_cost_pair): Likewise.
3355         (iv_ca_recount_cost): Likewise.
3356         (iv_ca_set_no_cp): Likewise.
3357         (iv_ca_set_cp): Likewise.
3358         (iv_ca_cost): Likewise.
3359         (iv_ca_new): Likewise.
3360         (iv_ca_dump): Likewise.
3361         (iv_ca_narrow): Likewise.
3362         (iv_ca_prune): Likewise.
3363         (iv_ca_replace): Likewise.
3364         (try_add_cand_for): Likewise.
3365         (try_improve_iv_set): Likewise.
3366         (find_optimal_iv_set): Likewise.
3368 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
3370         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3371         that internal functions will clobber all caller-saved registers.
3373 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3375         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
3376         Return a better case_values_threshold when optimizing.
3378 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3380         * config/aarch64/aarch64-simd.md (aarch64_combinez):
3381         Add ? to integer variant.
3382         (aarch64_combinez_be): Likewise.
3384 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
3386         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
3387         instead of x constraint.
3388         (vcvtps2ph256<mask_name>): Likewise.
3390         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
3391         alternative.  Formatting fix.
3393         * config/i386/sse.md
3394         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
3395         to ...
3396         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
3397         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
3398         maybe_evex prefix instead of vex.
3399         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
3400         EXT_REX_SSE_REG_P (op0) case in the splitter.
3402 2016-05-25  Jeff Law  <law@redhat.com>
3404         PR tree-optimization/71272
3405         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
3406         Update comments.  Add test for empty path.
3408 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3410         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
3411         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
3412         special case builtin.
3413         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3414         code for ALTIVEC_BUILTIN_VEC_CMPNE.
3415         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3416         for __builtin_vec_cmpne.
3418 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3420         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3421         redundant test and bail out if the type of the new operand is not
3422         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3424 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3426         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
3427         (x_ix86_target_flags_explicit): Remove.
3428         * config/i386/i386.c (ix86_function_specific_save): Do not copy
3429         x_ix86_target_flags_explicit.
3430         (ix86_function_specific_restore): Ditto.
3432 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3433             H.J. Lu  <hongjiu.lu@intel.com>
3435         PR target/70738
3436         * common/config/i386/i386-common.c
3437         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
3438         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
3439         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
3440         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
3441         (-mgeneral-regs-only): Add new option.
3442         * config/i386/i386.c (ix86_option_override_internal): Don't enable
3443         x87 instructions if only general registers are allowed.
3444         (ix86_target_string): Add ix86_flags argument. Handle additional
3445         flags options through ix86_flags argument.  Update all callers.
3446         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
3448 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3450         PR rtl-optimization/66940
3451         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
3452         decrementing desired_val will not overflow before performing these
3453         operations.
3455 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3457         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3458         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3459         * config/i386/i386.c (enum ix86_builtins): Add
3460         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3461         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3462         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3463         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3464         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3465         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3466         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3467         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3468         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3469         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3470         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3471         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3472         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3473         __builtin_ia32_cvtps2dq512_mask.
3474         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3475         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3476         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3477         * config/i386/sse.md
3478         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3479         Rename to ...
3480         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3481         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3482         to ...
3483         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3484         (avx512f_vec_pack_sfix_v8df): New define_expand.
3485         (avx512f_roundpd512): Rename to ...
3486         (avx512f_round<castmode>512): ... this.  Change iterator.
3487         (avx512f_roundps512_sfix): New define_expand.
3488         (round<mode>2_sfix): Change iterator.
3490 2016-05-25  Nick Clifton  <nickc@redhat.com>
3492         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3493         static interrupt handler is detected.
3494         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3495         default linker script.
3496         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3497         the low part of a symbolic pointer.
3499 2016-05-25  Richard Biener  <rguenther@suse.de>
3501         PR tree-optimization/71261
3502         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3503         interesting stmt instead of immediate uses when looking
3504         for the use operand to replace.
3506 2016-05-25  Martin Liska  <mliska@suse.cz>
3508         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3510 2016-05-25  Richard Biener  <rguenther@suse.de>
3512         PR tree-optimization/71264
3513         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3514         vector type val.
3516 2016-05-25  Martin Liska  <mliska@suse.cz>
3518         PR tree-optimization/71239
3519         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3520         if DECL_SIZE is NULL.
3522 2016-05-25  Richard Biener  <rguenther@suse.de>
3524         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3525         * tree-if-conv.c (pass_data_if_conversion): Use it.
3527 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3529         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3530         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3531         * varpool.c (varpool_node::get_availability): Likewise.
3533 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3535         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3536         VNEGW/VNEGD instructions.
3537         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3538         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3539         support for ISA 3.0 VNEGW/VNEGD instructions.
3541 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3543         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3544         pointers inside OACC_DATA regions.
3545         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3546         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3547         (gimplify_adjust_omp_clauses): Fix typo in comment.
3549 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3551         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3552         parity built-in functions.
3553         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3554         zeros.
3555         (p9v_parity<mode>2): Likewise.
3556         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3557         parity.
3558         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3559         (parity<mode>2): ISA 3.0 expander for vector parity.
3560         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3561         power9 built-ins.
3562         (BU_P9_64BIT_MISC_0): Likewise.
3563         (BU_P9_MISC_0): Likewise.
3564         (BU_P9V_AV_1): Likewise.
3565         (BU_P9V_AV_2): Likewise.
3566         (BU_P9V_AV_3): Likewise.
3567         (BU_P9V_AV_P): Likewise.
3568         (BU_P9V_VSX_1): Likewise.
3569         (BU_P9V_OVERLOAD_1): Likewise.
3570         (BU_P9V_OVERLOAD_2): Likewise.
3571         (BU_P9V_OVERLOAD_3): Likewise.
3572         (VCTZB): Add vector count trailing zeros support.
3573         (VCTZH): Likewise.
3574         (VCTZW): Likewise.
3575         (VCTZD): Likewise.
3576         (VPRTYBD): Add vector parity support.
3577         (VPRTYBQ): Likewise.
3578         (VPRTYBW): Likewise.
3579         (VCTZ): Add overloaded vector count trailing zeros support.
3580         (VPRTYB): Add overloaded vector parity support.
3581         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3582         overloaded vector count trailing zeros and parity instructions.
3583         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3584         vector parity support.
3585         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3586         trailing zeros support.
3587         (vec_cntlz): Likewise.
3588         (vec_vctzb): Likewise.
3589         (vec_vctzd): Likewise.
3590         (vec_vctzh): Likewise.
3591         (vec_vctzw): Likewise.
3592         (vec_vprtyb): Add ISA 3.0 vector parity support.
3593         (vec_vprtybd): Likewise.
3594         (vec_vprtybw): Likewise.
3595         (vec_vprtybq): Likewise.
3596         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3597         the ISA 3.0 vector count trailing zeros and vector parity built-in
3598         functions.
3600 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3602         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3603         when there is stmt_to_insert.
3605 2016-05-24  Martin Sebor  <msebor@redhat.com>
3607         PR c++/71147
3608         * tree.h (complete_or_array_type_p): New inline function.
3610 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3612         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3613         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3614         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3616         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3617         Limit 1st alternative to noavx isa, split 2nd alternative into one
3618         noavx and one avx alternative, use *x and Bm in the former and
3619         x and m in the latter.
3621         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3622         of sse4 for the first alternative, drop %v from the template
3623         and d operand modifier.  Split second alternative into one sse4_noavx
3624         and one avx alternative, use *x instead of *v in the former and v
3625         instead of *v in the latter.
3626         (*sse4_1_extractps): Use noavx isa instead of * for the first
3627         alternative, drop %v from the template.  Split second alternative into
3628         one noavx and one avx alternative, use *x instead of *v in the
3629         former and v instead of *v in the latter.
3630         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3631         with noavx and the last one with avx.
3632         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3633         split the second one into one noavx and one avx alternative,
3634         use *x and Bm in the former and x and m in the latter one.
3635         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3636         alternatives.
3638         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3639         first two alternatives to noavx, use *x instead of *v in the second
3640         one, add avx alternative without *.
3641         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3642         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3643         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3645 2016-05-24  Jeff Law  <law@redhat.com>
3647         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3648         New function, extracted from...
3649         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3650         Allow simple copies and constant initializations in the SSA chain.
3652 2016-05-24  Marek Polacek  <polacek@redhat.com>
3654         PR c/71249
3655         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3656         scope.
3658 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3660         PR c++/71257
3661         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3662         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3663         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3664         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3665         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3667 2016-05-24  Richard Biener  <rguenther@suse.de>
3669         PR tree-optimization/71240
3670         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3671         has integral type.
3673 2016-05-24  Richard Biener  <rguenther@suse.de>
3675         PR tree-optimization/71230
3676         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3678 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3680         * tree-vectorizer.h (vectorizable_comparison): Delete.
3681         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3682         PURE_SLP_STMT check.
3683         * tree-vect-stmts.c (vectorizable_call): Likewise.
3684         (vectorizable_simd_clone_call): Likewise.
3685         (vectorizable_conversion): Likewise.
3686         (vectorizable_assignment): Likewise.
3687         (vectorizable_shift): Likewise.
3688         (vectorizable_operation): Likewise.
3689         (vectorizable_load): Likewise.
3690         (vectorizable_condition): Likewise.
3691         (vectorizable_store): Likewise.  Assert that we don't have
3692         hybrid SLP.
3693         (vectorizable_comparison): Make static.  Remove redundant
3694         PURE_SLP_STMT check.
3695         (vect_transform_stmt): Assert that we always have an slp_node
3696         if PURE_SLP_STMT.
3698 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3700         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3701         operands[2] against 1 with comparison against CONST1_RTX.
3702         (<shift>di3_neon): Likewise.
3703         * config/arm/predicates.md (const0_operand): Replace with comparison
3704         against CONST0_RTX.
3706 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3708         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3709         operands[2] against 1 with comparison against CONST1_RTX.
3710         (ashrdi3): Likewise.
3711         (lshrdi3): Likewise.
3712         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3713         UINTVAL.
3714         (ashrsi3): Likewise.
3715         (lshrsi3): Likewise.
3716         (rotrsi3): Likewise.
3717         (define_split above *compareqi_eq0): Likewise.
3718         (define_split above "prologue"): Likewise.
3719         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3720         * config/arm/predicates.md (shift_operator): Likewise.
3721         (shift_nomul_operator): Likewise.
3722         (sat_shift_operator): Likewise.
3723         (thumb1_cmp_operand): Likewise.
3724         (const_neon_scalar_shift_amount_operand): Replace manual range
3725         check with IN_RANGE.
3726         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3727         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3729 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3731         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3732         with HOST_WIDE_INT_1.
3733         (insv): Likewise.
3734         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3735         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3736         (arm_canonicalize_comparison): Likewise.
3737         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3738         HOST_WIDE_INT_1.
3739         (thumb1_size_rtx_costs): Likewise.
3740         (vfp_const_double_index): Replace cast of 1 to unsigned
3741         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3742         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3743         HOST_WIDE_INT_1.
3744         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3745         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3746         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3747         HOST_WIDE_INT with HOST_WIDE_INT_1.
3749 2016-05-24  Marek Polacek  <polacek@redhat.com>
3751         * tree-cfg.h (should_remove_lhs_p): New predicate.
3752         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3753         * gimplify.c (gimplify_modify_expr): Likewise.
3754         * tree-cfg.c (verify_gimple_call): Likewise.
3755         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3756         * gimple-fold.c: Include "tree-cfg.h".
3757         (gimple_fold_call): Use should_remove_lhs_p.
3759 2016-05-24  Richard Biener  <rguenther@suse.de>
3761         PR tree-optimization/71253
3762         * cfganal.h (control_dependences): Make robust against edge
3763         and BB removal.
3764         (control_dependences::control_dependences): Remove edge_list argument.
3765         (control_dependences::get_edge): Remove.
3766         (control_dependences::get_edge_src): Add.
3767         (control_dependences::get_edge_dest): Likewise.
3768         (control_dependences::m_el): Make a vector of edge src/dest index.
3769         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3770         (control_dependences::control_dependences): Likewise.
3771         (control_dependences::~control_dependence): Likewise.
3772         (control_dependences::get_edge): Remove.
3773         (control_dependences::get_edge_src): Add.
3774         (control_dependences::get_edge_dest): Likewise.
3775         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3776         get_edge_src.
3777         (perform_tree_ssa_dce): Adjust.
3778         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3779         get_edge_src.
3780         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3781         conditional on changed.
3783 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3785         PR target/69857
3786         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3787         return.  Reindent transformation comment and mention the ARM state
3788         behavior.
3790 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3792         PR middle-end/71252
3793         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3794         after build_and_add_sum creates new use stmt.
3796 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3798         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3799         load_lanes/grouped_load classification comes first.  Don't check
3800         whether the vectorization factor is a multiple of the group size
3801         for load_lanes.
3803 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3805         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3806         GROUP_GAP for single-element interleaving.
3807         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3808         variable.
3810 2016-05-24  Richard Biener  <rguenther@suse.de>
3812         PR middle-end/70434
3813         PR c/69504
3814         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3815         bases which are accessed with non-invariant indices.
3816         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3817         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3819 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3821         PR middle-end/71170
3822         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3823         (add_to_ops_vec): Add stmt_to_insert.
3824         (add_repeat_to_ops_vec): Init stmt_to_insert.
3825         (insert_stmt_before_use): New.
3826         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3827         to ops vector.
3828         (get_ops): Init stmt_to_insert.
3829         (maybe_optimize_range_tests): Likewise.
3830         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3831         (rewrite_expr_tree_parallel): Likewise.
3832         (reassociate_bb): Likewise.
3834 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3836         PR target/71201
3837         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3838         ISA 3.0 xxperm fusion alternative.
3839         (altivec_vperm_v8hiv16qi): Likewise.
3840         (altivec_vperm_<mode>_uns_internal): Likewise.
3841         (vperm_v8hiv4si): Likewise.
3842         (vperm_v16qiv8hi): Likewise.
3844 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3845             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3847         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3848         vpermr/xxpermr on ISA 3.0.
3849         (altivec_expand_vec_perm_le): Likewise.
3850         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3851         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3852         ISA 3.0.
3854 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3856         * config/i386/i386.h (IS_STACK_MODE): Enable for
3857         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3858         SSE_FLOAT_MODE_P macros.
3859         * config/i386/i386.c (ix86_preferred_reload_class): Use
3860         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3861         Cleanup regclass processing for CONST_DOUBLE_P.
3862         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3863         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3864         with IS_STACK_MODE macro.
3865         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3866         with TARGET_SSE2.
3867         (*movdf_internal): Use IS_STACK_MODE macro.
3868         (*movsf_internal): Ditto.
3870 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3872         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3873         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3875 2016-05-23  Jeff Law  <law@redhat.com>
3877         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3878         extracted from ...
3879         (fsm_find_control_statement_thread_paths): Call it.
3881 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3883         PR ipa/71234
3884         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3885         from_global_constant if t is not NULL.
3887 2016-05-23  Marek Polacek  <polacek@redhat.com>
3889         PR c/49859
3890         * common.opt (Wswitch-unreachable): New option.
3891         * doc/invoke.texi: Document -Wswitch-unreachable.
3892         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3893         warning.
3895 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3897         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3898         TMR_INDEX is non-NULL.
3900 2016-05-23  Richard Biener  <rguenther@suse.de>
3902         PR tree-optimization/71230
3903         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3904         (try_special_add_to_ops): ... here.  Always test for single-use.
3906 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3908         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3909         default block if a PHI node in the original one would be resized.
3911 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3913         PR tree-optimization/58135
3914         * tree-vect-slp.c: When group size is not multiple
3915         of vector size, allow splitting of store group at
3916         vector boundary.
3918 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3920         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3922 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3924         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3925         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3926         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3927         of 64x2.
3929         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3930         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3931         v constraint instead of x and vinserti32x4 insn.
3933         * config/i386/sse.md (i128vldq): New mode iterator.
3934         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3935         avx512dq and avx512vl alternatives.
3937         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3938         constraint, use maybe_evex prefix instead of vex.
3939         (vec_dupv4sf): Use v constraint instead of x for output
3940         operand except for noavx alternative, use Yv constraint
3941         instead of x for input.  Use maybe_evex prefix instead of vex.
3942         (*vec_dupv4si): Likewise.
3943         (*vec_dupv2di): Likewise.
3945 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3947         PR middle-end/40921
3948         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3949         (linearize_expr_tree): Call try_special_add_to_ops.
3950         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3952 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3954         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3955         to computed stack_usage.
3957 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3959         PR target/71103
3960         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3961         operand is subreg (symbol_ref) then move the symbol ref to register.
3963 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3965         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3967 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3969         PR middle-end/71179
3970         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3971         VECTOR type.
3973 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3975         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3976         ranges by calling get_single_symbol and tidy up.  Look more closely
3977         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3979 2016-05-20  Jeff Law  <law@redhat.com>
3981         * bitmap.c (bitmap_find_bit): Remove useless test.
3983 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3985         * function.c (thread_prologue_and_epilogue_insns): Commit the
3986         insertion of the epilogue.
3988 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3990         PR tree-optimization/70884
3991         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3992         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3993         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3994         of constant pool data as a reason for scalarization.
3996 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3998         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3999         for naked functions.
4000         (thumb1_expand_prologue): Likewise.
4002 2016-05-20  Nathan Sidwell  <nathan@acm.org>
4004         * config/nvptx/nptx.c (nvptx_option_override): Only set
4005         flag_toplevel_reorder, if not explicitly specified.  Set
4006         flag_no_common, unless explicitly specified.
4008 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4010         * calls.c (can_implement_as_sibling_call_p): Mark param
4011         reg_parm_stack_space with ATTRIBUTE_UNUSED.
4013 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
4015         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
4016         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
4017         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
4018         constants.
4019         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
4020         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
4021         and CASE_CONST_ANY.
4023 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
4025         * config/nvptx/nvptx.md (sincossf3): New pattern.
4027 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4029         * calls.c (maybe_complain_about_tail_call): New function.
4030         (initialize_argument_information): Call
4031         maybe_complain_about_tail_call when clearing *may_tailcall.
4032         (can_implement_as_sibling_call_p): Call
4033         maybe_complain_about_tail_call when returning false.
4034         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
4035         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
4036         if tail-call optimization fails.
4037         * cfgexpand.c (expand_call_stmt): Initialize
4038         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
4039         * gimple-pretty-print.c (dump_gimple_call): Dump
4040         gimple_call_must_tail_p.
4041         * gimple.c (gimple_build_call_from_tree): Call
4042         gimple_call_set_must_tail with the value of
4043         CALL_EXPR_MUST_TAIL_CALL.
4044         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
4045         (gimple_call_set_must_tail): New function.
4046         (gimple_call_must_tail_p): New function.
4047         * print-tree.c (print_node): Update printing of TREE_STATIC
4048         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
4049         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
4050         trailing comment listing applicable flags.
4051         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
4053 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4055         * calls.c (expand_call): Move "Rest of purposes for tail call
4056         optimizations to fail" to...
4057         (can_implement_as_sibling_call_p): ...this new function, and
4058         split into multiple "if" statements.
4060 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4062         * cfgloop.h (expected_loop_iterations_unbounded,
4063         expected_loop_iterations): Unconstify.
4064         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
4065         profile with known upper bound; return 3 when profile is absent.
4066         (expected_loop_iterations): Update.
4068 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4070         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
4071         and get_max_loop_iterations_int.
4073 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4075         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
4076         realistic upper bounds here.
4078 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
4080         PR c++/71210
4081         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
4082         calls if the LHS is variable length or has addressable type.
4083         If targets[0]->decl is a noreturn call with void return type and
4084         zero arguments, adjust fntype and remove lhs in that case.
4086 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
4088         PR tree-optimization/71079
4089         PR tree-optimization/71206
4090         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
4092 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4094         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
4095         (get_vec_alignment_for_array_decl): Likewise.
4096         (get_vec_alignment_for_record_decl): Likewise.
4097         (increase_alignment::execute): Move code to find alignment to
4098         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
4099         (type_align_map): New hash_map.
4101 2016-05-20  Richard Guenther  <rguenther@suse.de>
4103         PR tree-optimization/29756
4104         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
4105         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
4106         * fold-const.c (operand_equal_p): Likewise.
4107         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
4108         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
4109         * tree-inline.c (estimate_operator_cost): Likewise.
4110         * tree-pretty-print.c (dump_generic_node): Likewise.
4111         * tree-ssa-operands.c (get_expr_operands): Likewise.
4112         * cfgexpand.c (expand_debug_expr): Likewise.
4113         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
4114         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
4115         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
4116         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
4117         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
4118         (execute_update_addresses_taken): Do it.
4120 2016-05-20  Richard Biener  <rguenther@suse.de>
4122         PR tree-optimization/71185
4123         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
4124         register operations.
4126 2016-05-20  Richard Biener  <rguenther@suse.de>
4128         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
4129         gimple_seq_add_seq_without_update.
4130         (release_bb_predicate): Assert we have no operands to free.
4131         (if_convertible_loop_p_1): Calculate post dominators later.
4132         Do not free BB predicates here.
4133         (combine_blocks): Do not recompute BB predicates.
4134         (version_loop_for_if_conversion): Save BB predicates around
4135         loop versioning.
4137 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4139         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
4140         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
4141         code.  Ignore sibcalls on EDGE_IGNORE edges.
4142         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
4143         on edges for sibcalls that run without prologue.  The rest of the
4144         function is combined from...
4145         (fix_fake_fallthrough_edge): ... this, and ...
4146         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
4147         function argument, make it a local variable.
4149 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
4151         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
4152         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
4153         for 32-bit mode and SEH for 64-bit.
4154         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
4155         TARGET_64BIT_DEFAULT.
4157 2016-05-19  Ryan Burn  <contact@rnburn.com>
4159         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
4160         * gengtype.c (open_base_files): Add cilk.h to ifiles.
4162 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
4164         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
4165         force pending loads from memory.
4167 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4169         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
4170         (UNSPEC_DARN_32): New unspec constant.
4171         (UNSPEC_DARN_RAW): New unspec constant.
4172         (darn_32): New instruction.
4173         (darn_raw): New instruction.
4174         (darn): New instruction.
4175         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
4176         support and documentation for this macro.
4177         (BU_P9_MISC_1): New macro definition.
4178         (BU_P9_64BIT_MISC_0): New macro definition.
4179         (BU_P9_MISC_0): New macro definition.
4180         (darn_32): New builtin definition.
4181         (darn_raw): New builtin definition.
4182         (darn): New builtin definition.
4183         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
4184         RS6000_BUILTIN_0 directives to surround each occurrence of
4185         #include "rs6000-builtin.def".
4186         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
4187         RS6000_BTM_64BIT flags to the returned mask, depending on
4188         configuration.
4189         (def_builtin): Correct an error in the assignments made to the
4190         debugging variable attr_string.
4191         (rs6000_expand_builtin): Add support for no-operand built-in
4192         functions.
4193         (builtin_function_type): Remove fatal_error assertion that is no
4194         longer valid.
4195         (rs6000_common_init_builtins): Add support for no-operand built-in
4196         functions.
4197         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
4198         definition.
4199         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
4200         definition.
4201         (RS6000_BTM_64BIT): New macro definition.
4202         * doc/extend.texi: Document __builtin_darn (void),
4203         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
4204         functions.
4206 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
4208         * tree-vect-loop.c (vect_analyze_loop_2): Use also
4209         max_loop_iterations_int.
4211 2016-05-19  Marek Polacek  <polacek@redhat.com>
4213         PR tree-optimization/71031
4214         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
4215         condition and adjust the code a bit.
4217 2016-05-19  Martin Liska  <mliska@suse.cz>
4219         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
4220         auto_vec instead of vec.
4222 2016-05-19  Martin Liska  <mliska@suse.cz>
4224         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
4226 2016-05-19  Martin Liska  <mliska@suse.cz>
4228         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
4230 2016-05-19  Martin Liska  <mliska@suse.cz>
4232         * ipa-pure-const.c (set_function_state): Remove an existing
4233         funct_state.
4234         (remove_node_data): Do not free it as it's released
4235         in set_function_state.
4237 2016-05-19  Martin Liska  <mliska@suse.cz>
4239         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
4240         bitmap.
4242 2016-05-19  Martin Liska  <mliska@suse.cz>
4244         * omp-simd-clone.c (simd_clone_adjust): Release vector.
4246 2016-05-19  Martin Liska  <mliska@suse.cz>
4248         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
4249         an auto_vec instead of re-creating it.
4251 2016-05-19  Martin Liska  <mliska@suse.cz>
4253         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
4254         auto_vec instead of vec.
4256 2016-05-19  Martin Liska  <mliska@suse.cz>
4258         * lto-section-in.c (lto_get_section_data): Call
4259         lto_check_version with additional argument.
4260         * lto-streamer.c (lto_check_version): Add new argument.
4261         * lto-streamer.h (lto_check_version): Likewise.
4263 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4265         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
4266         Don't add cost of inner memory when handling sign-extended loads.
4268 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
4270         PR rtl-optimization/71148
4271         * cse.c (cse_main): Free dominance info.
4272         (rest_of_handle_cse): Don't free dominance info.
4273         (rest_of_handle_cse2): Likewise.
4274         (rest_of_handle_cse_after_global_opts): Likewise.
4276 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4278         PR target/71056
4279         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
4280         NULL_TREE early if NEON is not available.  Remove now redundant check
4281         in ARM_CHECK_BUILTIN_MODE.
4283 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
4285         PR sanitizer/64354
4286         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
4287         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
4288         * doc/cpp.texi: Document new macros.
4290 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
4292         PR tree-optimization/69848
4293         * tree-vect-loop.c (vectorizable_reduction): Don't factor
4294         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
4296 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4298         * function.c (thread_prologue_and_epilogue_insn): Move the
4299         "goto epilogue_done" one block later.
4301 2016-05-19  Richard Biener  <rguenther@suse.de>
4303         PR tree-optimization/70729
4304         * passes.def: Move LIM pass before PRE.  Remove no longer
4305         required copyprop and move first DCE out of the loop pipeline.
4307 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
4309         PR driver/69265
4310         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
4311         (OBJS-libcommon-target): ...here.
4312         * opts-common.c: Include spellcheck.h.
4313         (cmdline_handle_error): Build a vec of valid options and use it
4314         to suggest provide hints for misspelled arguments.
4316 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4318         PR c++/71100
4319         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
4320         lhs if it has TREE_ADDRESSABLE type.
4322 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
4324         PR target/71145
4325         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
4326         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
4328 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4330         PR ipa/69708
4331         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
4332         input for NOP_EXPR pass-through functions.
4333         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
4334         aggregate global constant VAR_DECLs in constant jump functions.
4336 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4338         PR ipa/69708
4339         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
4340         from TREE_READONLY parameters.
4342 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4344         PR ipa/69708
4345         * cgraph.h (cgraph_indirect_call_info): New field
4346         guaranteed_unmodified.
4347         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
4348         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4349         appropriate.
4350         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
4351         pass the parameter value to ipa_find_agg_cst_for_param.
4352         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
4353         guaranteed_unmodified, store AA results there instead of bailing out
4354         if present.
4355         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
4356         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
4357         (find_constructor_constant_at_offset): New function.
4358         (ipa_find_agg_cst_from_init): Likewise.
4359         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
4360         static initializers of contants, report back through a new paameter
4361         from_global_constant if that was the case.
4362         (try_make_edge_direct_simple_call): Also pass parameter value to
4363         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4364         appropriate.
4365         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4366         (ipa_read_indirect_edge_info): Likewise.
4367         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4368         (ipa_load_from_parm_agg): Likewise.
4370 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
4372         PR rtl-optimization/71150
4373         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
4374         check.
4376 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4378         PR target/70915
4379         * config/rs6000/constraints.md (wE constraint): New constraint
4380         for a vector constant that can be loaded with XXSPLTIB.
4381         (wM constraint): New constraint for a vector constant of a 1's.
4382         (wS constraint): New constraint for a vector constant that can be
4383         loaded with XXSPLTIB and a vector sign extend instruction.
4384         * config/rs6000/predicates.md (xxspltib_constant_split): New
4385         predicates for wE/wS constraints.
4386         (xxspltib_constant_nosplit): Likewise.
4387         (easy_vector_constant): Add support for constants that can be
4388         loaded via XXSPLTIB.
4389         (all_ones_constant): New predicate for vector constant with all
4390         1's set.
4391         (splat_input_operand): Add support for ISA 3.0 word splat operations.
4392         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
4393         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
4394         instruction and possibly with a sign extension.
4395         (output_vec_const_move): Add support for XXSPLTIB. If we are
4396         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
4397         instead of XXLXOR/XXLORC.
4398         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
4399         operations.
4400         (rs6000_legitimize_reload_address): Likewise.
4401         (rs6000_output_move_128bit): Use output_vec_const_move to emit
4402         constants.
4403         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
4404         combine VSX_M and VSX_M2 into one iterator.
4405         (VSX_M2): Likewise.
4406         (VSINT_84): New iterators for loading constants with XXSPLTIB.
4407         (VSINT_842): Likewise.
4408         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
4409         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
4410         XXSPLTIB instruction.
4411         (xxspltib_<mode>_nosplit): Likewise.
4412         (xxspltib_<mode>_split): New insn to load up constants with
4413         XXSPLTIB and a sign extend instruction.
4414         (vsx_mov<mode>): Replace single move that handled all vector types
4415         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
4416         moves (when -mvsx-timode is in effect) into the main vector
4417         moves.  Eliminate separate moves for <VSr> <VSa>, where the
4418         preferred register class (<VSr>) is listed first, and the
4419         secondary register class (<VSa>) is listed second with a '?' to
4420         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
4421         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
4422         that if the register was involved in a slow operation, the
4423         clear/set operation does not wait for the slow operation to
4424         finish.  Adjust the length attributes for 32-bit mode.  Use
4425         rs6000_output_move_128bit and drop the use of the string
4426         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
4427         spacing so that the alternatives and attributes don't generate
4428         long lines, and put things in columns, so that it is easier to
4429         match up the operands and attributes with the insn alternatives.
4430         (vsx_mov<mode>_64bit): Likewise.
4431         (vsx_mov<mode>_32bit): Likewise.
4432         (vsx_movti_64bit): Fold movti into normal vector moves.
4433         (vsx_movti_32bit): Likewise.
4434         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
4435         splat instructions.
4436         (vsx_splat_v4si_internal): Likewise.
4437         (vsx_splat_v4sf_internal): Likewise.
4438         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
4439         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
4440         extend vector elements.
4441         (vsx_sign_extend_hi_<mode>): Likewise.
4442         (vsx_sign_extend_si_v2di): Likewise.
4443         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
4444         declaration.
4445         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
4446         constraints.  Add trailing period to wL documentation.
4448 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
4450         PR middle-end/71020
4451         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
4452         * tree-dfa.c (replace_abnormal_ssa_names): New function.
4453         * tree-call-cdce.c: Include tree-dfa.h.
4454         (can_guard_call_p): New function, extracted from...
4455         (can_use_internal_fn): ...here.
4456         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4457         and return void.
4458         (shrink_wrap_one_built_in_call): Likewise.
4459         (use_internal_fn): Likewise.
4460         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4461         and return void.  Call replace_abnormal_ssa_names.
4462         (pass_call_cdce::execute): Check can_guard_call_p during the
4463         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4464         will always change something.
4466 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4468         PR ipa/70646
4469         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4470         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4472 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4474         PR ipa/70646
4475         * ipa-inline.h (condition): New field size.
4476         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4477         for comaprison and store it into the new condition.
4478         (evaluate_conditions_for_known_args): Use condition size to check
4479         access sizes for all but CHANGED conditions.
4480         (unmodified_parm_1): New parameter size_p, store access size into it.
4481         (unmodified_parm): Likewise.
4482         (unmodified_parm_or_parm_agg_item): Likewise.
4483         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4484         (set_cond_stmt_execution_predicate): Extract access sizes and store
4485         them to conditions.
4486         (set_switch_stmt_execution_predicate): Likewise.
4487         (will_be_nonconstant_expr_predicate): Likewise.
4488         (will_be_nonconstant_predicate): Likewise.
4489         (inline_read_section): Stream condition size.
4490         (inline_write_summary): Likewise.
4492 2016-05-18  Richard Biener  <rguenther@suse.de>
4494         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4495         condition cost to PHI cost instead of total_cost.
4497 2016-05-18  Martin Liska  <mliska@suse.cz>
4499         PR fortran/70856
4500         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4501         merged variables.
4503 2016-05-18  Richard Biener  <rguenther@suse.de>
4505         * lto-streamer.h (LTO_major_version): Bump to 6.
4507 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4509         * function.c (make_split_prologue_seq, make_prologue_seq,
4510         make_epilogue_seq): New functions, factored out from...
4511         (thread_prologue_and_epilogue_insns): Here.
4513 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4515         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4516         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4517         of before.  Add a comment.
4519 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4521         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4522         expression pointer, not pointer to the pointer.
4524 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4526         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4527         (avx2_pbroadcast<mode>): Add another alternative with v instead
4528         of x constraints in it, using <pbroadcast_evex_isa> isa.
4529         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4531         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4532         constraint x instead of v in second alternative, add avx512bw
4533         alternative.
4535         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4536         constraint x instead of v in second alternative, add avx512bw
4537         alternative.
4539         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4540         constraint x instead of v in second alternative, add avx512bw
4541         alternative.
4543         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4544         avx512bw alternative.
4546 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4548         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4549         array to 128 chars.
4550         (define_insn "*andnottf3"): Ditto.
4551         (define_insn "*<code><mode>3"/any_logic): Ditto.
4552         (define_insn "*<code>tf3"/any_logic): Ditto.
4553         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4554         operand to block AVX-512VL insn variant emit when it is not enabled.
4556 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4558         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4559         constraint fot SF mode.
4561 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4562             Kirill Yukhin  <kirill.yukhin@intel.com>
4564         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4565         modifiers.
4566         (define_insn "rsqrt14<mode>"): Ditto.
4567         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4568         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4569         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4570         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4571         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4572         Ditto.
4573         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4574         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4575         * config/i386/i386.c (ix86_print_operand): Expand check for size
4576         override codes for Intel syntax.
4578 2016-05-18  Richard Biener  <rguenther@suse.de>
4580         PR tree-optimization/71168
4581         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4582         initialization earlier.
4584 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4586         * config/aarch64/aarch64-simd.md
4587         (aarch64_reduc_plus_internal<mode>): Rename to...
4588         (reduc_plus_scal): ...This, and remove previous implementation.
4590 2016-05-18  Richard Biener  <rguenther@suse.de>
4592         * passes.def: Put late dse and cd_dce in canonical order.
4594 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4596         * ipa-inline-transform.c (preserve_function_body_p): Look for
4597         first non-thunk clone.
4598         (save_function_body): Save into first non-thunk.
4599         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4600         up call stmt id.
4601         (lto_output_node): Inline thunks don't need body in every
4602         partition.
4603         * lto-streamer-in.c: Do not fixup thunk clones.
4604         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4605         thunks.
4606         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4607         folding suceeds.
4609 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4611         PR middle-end/63586
4612         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4613         (reassociate_bb): Call transform_add_to_multiply.
4615 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4617         * config/aarch64/aarch64.c (all_extensions): Removed unused
4618         static variable.
4620 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4622         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4623         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4625 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4627         PR tree-optimization/54579
4628         PR middle-end/55299
4629         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4631 2016-05-17  Marek Polacek  <polacek@redhat.com>
4633         PR ipa/71146
4634         * tree-inline.c (expand_call_inline): Call
4635         maybe_remove_unused_call_args.
4637 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4639         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4640         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4641         * doc/md.texi (fmin@var{m}3): Likewise.
4643 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4645         * match.pd (X & C): New transformation.
4647 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4649         * match.pd (~X & Y): New transformation.
4651 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4653         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4654         information for new SSA_NAME.
4655         (simplify_conversion_using_ranges): Get range through get_range_info
4656         instead of get_value_range.
4658 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4660         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4661         Remove inline assembly.
4662         (vmvn_s16): Likewise.
4663         (vmvn_s32): Likewise.
4664         (vmvn_u8): Likewise.
4665         (vmvn_u16): Likewise.
4666         (vmvn_u32): Likewise.
4667         (vmvnq_s8): Likewise.
4668         (vmvnq_s16): Likewise.
4669         (vmvnq_s32): Likewise.
4670         (vmvnq_u8): Likewise.
4671         (vmvnq_u16): Likewise.
4672         (vmvnq_u32): Likewise.
4673         (vmvn_p8): Likewise.
4674         (vmvnq_p16): Likewise.
4676 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4678         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4679         Use builtin.
4680         (vmul_n_s16): Likewise.
4681         (vmul_n_s32): Likewise.
4682         (vmul_n_u16): Likewise.
4683         (vmul_n_u32): Likewise.
4684         (vmulq_n_f32): Likewise.
4685         (vmulq_n_f64): Likewise.
4686         (vmulq_n_s16): Likewise.
4687         (vmulq_n_s32): Likewise.
4688         (vmulq_n_u16): Likewise.
4689         (vmulq_n_u32): Likewise.
4691 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4693         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4694         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4696 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4698         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4699         to *aarch64_fma4_elt_from_dup<mode>.
4700         (*aarch64_fnma4_elt_to_128df): Rename to
4701         *aarch64_fnma4_elt_from_dup<mode>.
4702         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4703         (vfms_n_f32): Likewise.
4704         (vfms_n_f64): Likewise.
4705         (vfmsq_n_f32): Likewise.
4706         (vfmsq_n_f64): Likewise.
4708 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4710         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4712 2016-05-17  Richard Biener  <rguenther@suse.de>
4714         PR tree-optimization/71132
4715         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4716         Only add control dependences for blocks in the loop.
4717         (build_rdg): Adjust.
4718         (generate_code_for_partition): Return whether loop should
4719         be destroyed and delay that.
4720         (distribute_loop): Likewise.
4721         (pass_loop_distribution::execute): Record loops to be destroyed
4722         and perform delayed destroying of loops.
4724 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4726         PR target/70809
4727         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4729 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4731         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4733 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4735         PR target/71114
4736         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4737         insertion point for instructions generated by validize_mem.
4739 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4741         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4742         in brackets.
4744 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4746         * config/aarch64/aarch64.c
4747         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4748         rather than a macro.
4750 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4752         * doc/invoke.texi (AArch64 Options): Various updates.
4754 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4756         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4757         into instrumentation thunks.
4758         * cif-code.def (CIF_CHKP): New.
4760 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4762         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4764 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4766         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4767         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4769 2016-05-16  Marek Polacek  <polacek@redhat.com>
4771         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4772         commentary.
4774 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4776         PR hsa/70857
4777         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4778         the outlined kernel function.
4780 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4782         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4783         (ISA_HAS_DLSA): Ditto.
4785 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4787         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4789 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4791         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4792         (nvptx_name_replacement): Restore.  Add comment.
4793         (write_fn_proto, write_fn_proto_from_insn,
4794         nvptx_output_call_insn): Restore
4795         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4797 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4799         * config/aarch64/aarch64.md
4800         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4801         (add<mode>3_compareC_imm): Likewise.
4802         (<optab>si3_uxtw): Split into register and immediate variants.
4803         (andsi3_compare0_uxtw): Likewise.
4804         (and<mode>3_compare0): Likewise.
4805         (and<mode>3nr_compare0): Likewise.
4806         (stack_protect_test_<mode>): Don't use %x for memory operands.
4808 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4810         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4812 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4814         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4815         Split integer shifts into shift_reg and bfm.
4816         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4817         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4818         (ror<mode>3_insn): Likewise.
4819         (<optab>si3_insn_uxtw): Likewise.
4820         (<optab><mode>3_insn): Change to rotate_imm.
4821         (extr<mode>5_insn_alt): Likewise.
4822         (extrsi5_insn_uxtw): Likewise.
4823         (extrsi5_insn_uxtw_alt): Likewise.
4825 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4827         * doc/tm.texi: Regenerate.
4828         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4829         (TARGET_INVALID_RETURN_TYPE): Remove.
4830         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4831         TARGET_INVALID_RETURN_TYPE.
4832         * target.def (invalid_parameter_type): Remove.
4833         (invalid_return_type): Remove.
4835 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4837         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4838         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4839         calls from thunk.
4840         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4841         gimple body.
4842         (preserve_function_body_p): No need to preserve function body
4843         * cif-codes.def (CIF_THUNK): Remove.
4844         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4846 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4848         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4850 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4852         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4853         for thunks.
4855 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4857         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4858         (inline_small_functions): Do not look for function symbol when
4859         resetting caches.
4861 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4863         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4864         of inline thunks
4866 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4867             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4868             Jiong Wang  <jiong.wang@arm.com>
4870         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4871         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4872         Define __ARM_FP16_ARGS when appropriate.
4873         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4874         declaration.
4875         (arm_invalid_return_type): Likewise.
4876         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4877         (TARGET_INVALID_RETURN_TYPE): Remove.
4878         (aapcs_vfp_sub_candidate): Allow HFmode.
4879         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4880         (aapcs_vfp_allocate_return_reg): Likewise.
4881         (struct aapcs_cp_arg_layout): Slightly reword comments for
4882         is_return_candidate and allocate_return_reg.
4883         (output_mov_vfp): Update assert.
4884         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4885         condition.
4886         (arm_invalid_parameter_type): Remove.
4887         (amr_invalid_return_type): Remove.
4888         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4889         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4890         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4892 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4894         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4895         * config/aarch64/arch64-protos.h
4896         (aarch64_legitimize_reload_address): Remove.
4897         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4898         Remove.
4900 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4902         * configure.ac: Add ACX_NONCANONICAL_HOST.
4903         * configure: Regenerate.
4904         * Makefile.in: Set host_noncanonical.
4906 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4908         PR target/71097
4909         * config/i386/i386.md (*movtf_internal): Before register allocation,
4910         do not allow FP constants for CM_MEDIUM memory model, allow only
4911         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4912         (*movxf_internal): Ditto.
4913         (*movdf_internal): Ditto.
4914         (*movsf_internal): Ditto.
4916 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4918         PR rtl-optimization/67483
4919         * combine.c (make_compound_operation): Don't call extract_left_shift
4920         with negative shift amounts.
4922 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4924         PR bootstrap/71071
4925         * fold-const.c (fold_checksum_tree): Allow modification
4926         of TYPE_ALIAS_SET during folding.
4928         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4929         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4930         (ix86_split_to_parts): Likewise.  Fix up formatting.
4932 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4934         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4935         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4936         printf format.
4938 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4940         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4941         (nvptx_name_replacement): Delete.
4942         (write_fn_proto, write_fn_proto_from_insn,
4943         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4944         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4945         * langhooks.c (add_builtin_funcction_common): Call
4946         targetm.mangle_decl_assembler_name.
4948         * config/nvptx/nvptx.c (write_fn_proto): Handle
4949         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4951 2016-05-13  Martin Liska  <mliska@suse.cz>
4953         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4954         and PRIu64 in printf format.
4956 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4958         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4959         comment.
4961 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4963         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4964         Change --param max-completely-peeled-times to
4965         --param max-completely-peel-times in dump file printing.
4967 2016-05-13  Richard Biener  <rguenther@suse.de>
4969         PR tree-optimization/42587
4970         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4971         (find_bswap_or_nop_1): Likewise.
4972         (bswap_replace): Likewise.
4974 2016-05-13  Martin Liska  <mliska@suse.cz>
4976         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4977         Initialize a variable with default value.
4979 2016-05-13  Martin Liska  <mliska@suse.cz>
4981         * doc/invoke.texi: Enhance explanation of error recovery
4982         of sanitizers.
4984 2016-05-13  Martin Liska  <mliska@suse.cz>
4986         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4987         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4988         (iv_inv_expr_ent *).
4989         (struct iv_inv_expr_ent): Comment struct fields.
4990         (sort_iv_inv_expr_ent): New function.
4991         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4992         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4993         a hash_map between iv_inv_expr_ent and number of usages.
4994         (niter_for_exit): Fix coding style.
4995         (tree_ssa_iv_optimize_init): Use renamed variable.
4996         (determine_base_object): Fix coding style.
4997         (alloc_iv): Likewise.
4998         (find_interesting_uses_outside): Likewise.
4999         (add_candidate_1): Likewise.
5000         (add_standard_iv_candidates): Likewise.
5001         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
5002         (prepare_decl_rtl): Fix coding style.
5003         (get_address_cost): Likewise.
5004         (get_shiftadd_cost): Likewise.
5005         (force_expr_to_var_cost): Likewise.
5006         (compare_aff_trees): Likewise.
5007         (get_expr_id): Restructure the function.
5008         (get_loop_invariant_expr_id): Renamed to
5009         get_loop_invariant_expr.
5010         (get_computation_cost_at): Replace usage of inv_expr_id with
5011         inv_expr.
5012         (get_computation_cost): Likewise.
5013         (determine_group_iv_cost_generic): Likewise.
5014         (determine_group_iv_cost_address): Likewise.
5015         (iv_period): Fix coding style.
5016         (iv_elimination_compare_lt): Likewise.
5017         (may_eliminate_iv): Likewise.
5018         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
5019         inv_expr.
5020         (determine_group_iv_costs): Dump invariant expressions.
5021         (iv_ca_recount_cost): Use the newly added hash_map.
5022         (iv_ca_set_remove_invariants): Fix coding style.
5023         (iv_ca_set_add_invariants): Fix coding style.
5024         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
5025         invariants.
5026         (iv_ca_set_cp): Likewise.
5027         (iv_ca_new): Initialize the newly added hash_map and remove
5028         initialization of fields.
5029         (iv_ca_free): Delete the hash_map.
5030         (iv_ca_dump): Dump invariant expressions.
5031         (iv_ca_extend): Fix coding style.
5032         (try_add_cand_for): Likewise.
5033         (create_new_ivs): Dump information about # of avg iterations and
5034         # of used invariant expressions.
5035         (rewrite_use_compare): Fix coding style.
5036         (free_loop_data): Set default value for max_inv_expr_id.
5038 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
5040         * cse.c (rest_of_handle_cse): Use cleanup_cfg
5041         returned value cse_cfg_altered computation.
5042         (rest_of_handle_cse2): Likewise.
5043         (rest_of_handle_cse_after_global_opts): Likewise.
5045 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5047         PR target/53440
5048         * config/arm/arm.c (arm32_output_mi_thunk): New.
5049         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
5050         to split Thumb1 vs TARGET_32BIT functionality.
5051         (arm_thumb1_mi_thunk): New.
5053 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5055         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
5056         to true.
5058 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5060         PR target/71080
5061         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
5063 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
5065         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
5066         (expand_builtin_trap): Emit a regular call.
5067         (set_builtin_user_assembler_name): Remove obsolete cases.
5068         * dse.c (scan_insn): Adjust.
5069         * except.c: Include calls.h.
5070         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
5071         emit a regular call to setjmp.
5072         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
5073         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
5074         (emit_block_move_via_libcall): Delete.
5075         (block_move_fn): Delete.
5076         (init_block_move_fn): Likewise.
5077         (emit_block_move_libcall_fn): Likewise.
5078         (emit_block_op_via_libcall): New function.
5079         (set_storage_via_libcall): Tidy up and use memset builtin.
5080         (block_clear_fn): Delete.
5081         (init_block_clear_fn): Likewise.
5082         (clear_storage_libcall_fn): Likewise.
5083         (expand_assignment): Call emit_block_move_via_libcall.
5084         Do not include gt-expr.h.
5085         * expr.h (emit_block_op_via_libcall): Declare.
5086         (emit_block_copy_via_libcall): New inline function.
5087         (emit_block_move_via_libcall): Likewise.
5088         (emit_block_comp_via_libcall): Likewise.
5089         (block_clear_fn): Delete.
5090         (init_block_move_fn): Likewise.
5091         (init_block_clear_fn): Likewise.
5092         (emit_block_move_via_libcall): Likewise.
5093         (set_storage_via_libcall): Add default parameter value.
5094         * libfuncs.h (enum libfunc_index): Remove obsolete values.
5095         (abort_libfunc): Delete.
5096         (memcpy_libfunc): Likewise.
5097         (memmove_libfunc): Likewise.
5098         (memcmp_libfunc): Likewise.
5099         (memset_libfunc): Likewise.
5100         (setbits_libfunc): Likewise.
5101         (setjmp_libfunc): Likewise.
5102         (longjmp_libfunc): Likewise.
5103         (profile_function_entry_libfunc): Likewise.
5104         (profile_function_exit_libfunc): Likewise.
5105         (gcov_flush_libfunc): Likewise.
5106         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
5107         and DECL_VISIBILITY on the declaration.
5108         (init_optabs): Do not initialize obsolete libfuncs.
5109         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
5110         * tree-core.h (ECF_RET1): Define.
5111         (ECF_TM_PURE): Adjust.
5112         (ECF_TM_BUILTIN): Likewise.
5113         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
5114         (build_common_builtin_nodes): Initialize abort builtin.
5115         Add ECF_RET1 on memcpy, memmove and memset builtins.
5116         Pass final flags for alloca and alloca_with_align builtins.
5117         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
5118         obsolete builtins.
5119         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
5120         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
5121         set_storage_via_libcall and call emit_block_copy_via_libcall.
5123 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
5125         * config/i386/i386.md (*call_got_x32): Change operand 0 to
5126         DImode before it is passed to ix86_output_call_operand.
5127         (*call_value_got_x32): Ditto for operand 1.
5129 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
5131         PR rtl-optimization/70904
5132         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
5133         reload for wide mode.
5135 2016-05-12  Marek Polacek  <polacek@redhat.com>
5137         PR c/70756
5138         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
5139         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
5140         * langhooks.h (incomplete_type_error): Likewise.
5141         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
5142         parameter, pass it down to incomplete_type_error.
5143         * tree.h (size_in_bytes): New inline overload.
5144         (size_in_bytes_loc): Renamed from size_in_bytes.
5146 2016-05-12  Richard Biener  <rguenther@suse.de>
5148         PR tree-optimization/71059
5149         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
5150         nary before looking up or entering the expression into the VN
5151         hashes.
5152         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
5153         Make sure to re-use NARYs without result as inserted by
5154         phi-translation.
5156 2016-05-12  Richard Biener  <rguenther@suse.de>
5158         PR tree-optimization/71062
5159         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5160         field.
5161         * tree-ssa-structalias.c (set_uids_in_ptset): Set
5162         vars_contains_restrict if the var is a restrict tag.
5163         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
5164         do not disambiguate pointers against it.
5165         (dump_points_to_solution): Re-structure and adjust for new
5166         vars_contains_restrict flag.
5167         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
5169 2016-05-12  Martin Liska  <mliska@suse.cz>
5171         * doc/invoke.texi: Explain connection between
5172         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
5174 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
5176         PR tree-optimization/71006
5177         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
5178         consider COND_EXPR as a mask producer.
5180 2016-05-12  Marek Polacek  <polacek@redhat.com>
5182         PR driver/71063
5183         * opts.c (common_handle_option): Detect missing argument for --help^.
5185 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5187         PR target/70830
5188         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
5189         when popping the PC and within an interrupt handler routine.
5190         Add missing tab to output of "ldmfd".
5191         (output_return_instruction): Output LDMFD with SP update rather
5192         than POP when returning from interrupt handler.
5194 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
5196         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
5197         TARGET_64BIT && TARGET_AVX512DQ.
5198         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
5199         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
5200         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
5201         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
5202         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
5203         (*vec_extractv4si_zext): Add avx512dq alternative.
5204         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
5205         use v instead of x constraint in other alternatives where possible.
5207         * config/i386/sse.md (sse2_loadld): Use v instead of x
5208         constraint in alternatives 0,1,4.
5210         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
5211         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
5212         v constraints instead of x and <pinsr_evex_isa> isa attribute.
5214         PR target/71019
5215         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
5216         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
5217         is not emitted unless TARGET_AVX512BW.
5218         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
5219         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
5220         for the result operand.
5222         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
5223         constraint instead of x in avx alternatives.  Use maybe_evex instead
5224         of vex prefix.
5226         * config/i386/constraints.md (Yv): New constraint.
5227         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
5228         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
5229         * config/i386/i386.md (avx512fvecmode): New mode attr.
5230         (*pushtf): Use v constraint instead of x.
5231         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
5232         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
5233         (*absneg<mode>2): Use Yv constraint instead of x constraint.
5234         (*absnegtf2_sse): Likewise.
5235         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
5236         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
5237         avx512f alternatives.
5238         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
5240 2016-05-12  Richard Biener  <rguenther@suse.de>
5242         PR tree-optimization/71060
5243         * tree-data-ref.c (initialize_data_dependence_relation): Do not
5244         require exact match of DR_BASE_OBJECT but only matching address and
5245         type.
5247 2016-05-12  Richard Biener  <rguenther@suse.de>
5249         PR tree-optimization/70986
5250         * cfganal.c: Include cfgloop.h.
5251         (dfs_find_deadend): Prefer to take edges exiting loops.
5253 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5255         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
5256         compile and run time.
5258 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
5260         PR c/43651
5261         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
5263 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
5265         * config/i386/i386.c (legitimize_pic_address): Use
5266         copy_to_suggested_reg instead of gen_movsi.
5268 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5270         * config/rs6000/predicates.md (quad_memory_operand): Move most of
5271         the code into quad_address_p and call it to share code with
5272         vsx_quad_dform_memory_operand.
5273         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
5274         d-form support.
5275         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
5276         bit instead of being a separate word.  Split -mpower9-dform into
5277         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5278         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
5279         for the register class supporting 128-bit quad word memory offsets.
5280         (mode_supports_vsx_dform_quad): Helper function to return if the
5281         register class uses quad word memory offsets.
5282         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
5283         (rs6000_debug_reg_global): Always print if we are using LRA or not.
5284         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
5285         instructions are enabled, set up the appropriate addr_masks for
5286         128-bit types.
5287         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
5288         -mpower9-dform-scalar, instead of -mpower9-dform.
5289         (rs6000_option_override_internal): Split -mpower9-dform into two
5290         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
5291         -mpower9-dform switch sets or clears both.  If we are not using
5292         the LRA register allocator, do not enable -mpower9-dform-vector by
5293         default.  If we are using LRA, enable -mpower9-dform-vector and
5294         -mvsx-timode if it is appropriate.  Issue a warning if either
5295         -mpower9-dform-vector or -mvsx-timode are explicitly used without
5296         enabling LRA.
5297         (quad_address_offset_p): New helper function to return if the
5298         offset is legal for quad word memory instructions.
5299         (quad_address_p): New function to determin if GPR or vector
5300         register quad word memory addresses are legal.
5301         (mem_operand_gpr): Validate quad word address offsets.
5302         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
5303         d-form (register + offset) instructions.
5304         (offsettable_ok_by_alignment): Likewise.
5305         (rs6000_legitimate_offset_address_p): Likewise.
5306         (legitimate_lo_sum_address_p): Likewise.
5307         (rs6000_legitimize_address): Likewise.
5308         (rs6000_legitimize_reload_address): Add more debug statements for
5309         -mdebug=addr.
5310         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
5311         d-form instructions.
5312         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
5313         d-form instructions.  Distinguish different cases in debug
5314         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
5315         d-form instructions.
5316         (rs6000_preferred_reload_class): Likewise.
5317         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
5318         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
5319         of the ISA 2.06 indexed memory instructions.
5320         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
5321         use them to save/restore the saved vector registers instead of
5322         using Altivec instructions.
5323         (rs6000_emit_epilogue): Likewise.
5324         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
5325         (rs6000_opt_masks): Split -mpower9-dform into
5326         -mpower9-dform-scalar and -mpower9-dform-vector.
5327         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
5328         was not selected.
5329         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
5330         ISA 3.0 vector indexed memory instructions, and fold the code into
5331         the normal mov<mode> patterns.
5332         (p9_vecstore_<mode>): Likewise.
5333         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
5334         instructions.
5335         (vsx_movti_64bit): Likewise.
5336         (vsx_movti_32bit): Likewise.
5337         * config/rs6000/constraints.md (wO constraint): New constraint for
5338         ISA 3.0 vector d-form support.
5339         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
5340         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
5341         include -mpower9-dform-vector until we switch over to LRA.
5342         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
5343         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5344         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
5345         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5346         for -mpower9-dform and -mlra.
5347         * doc/md.texi (wO constraint): Document wO constraint.
5349 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
5351         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
5352         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
5353         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
5354         Move handling of non-insn arguments inline into the sole user:
5355         (output_trans_func): ...here.
5356         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
5357         in emitted function prototype.
5358         (output_internal_insn_latency_func): Ditto.  Simplify.
5359         (output_internal_maximal_insn_latency_func): Ditto.  Delete
5360         always-unused argument.
5361         (output_insn_latency_func): Ditto.
5362         (output_maximal_insn_latency_func): Ditto.
5364 2016-05-11  Richard Biener  <rguenther@suse.de>
5366         PR tree-optimization/71055
5367         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5368         sth with precision not equal to access size verify we don't chop
5369         off bits.
5371 2016-05-11  Richard Biener  <rguenther@suse.de>
5373         PR debug/71057
5374         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5375         (dwarf2out_finish): Move retry_incomplete_types call ...
5376         (dwarf2out_early_finish): ... here.
5378 2016-05-11  Richard Biener  <rguenther@suse.de>
5380         PR middle-end/71002
5381         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
5382         if the langhook insists on it.
5383         * fold-const.c (make_bit_field_ref): Add arg for the original
5384         reference and preserve its alias-set.
5385         (decode_field_reference): Take exp by reference and adjust it
5386         to the original memory reference.
5387         (optimize_bit_field_compare): Adjust callers.
5388         (fold_truth_andor_1): Likewise.
5389         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
5391 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
5393         PR middle-end/70807
5394         * cfgrtl.h (delete_insn_and_edges): Now return bool.
5395         * cfgrtl.c (delete_insn_and_edges): Likewise.
5396         * config/i386/i386.c (convert_scalars_to_vector): Remove
5397         redundant code.
5398         * cse.c (cse_insn): Compute cse_cfg_altered.
5399         (delete_trivially_dead_insns): Likewise.
5400         (cse_cc_succs): Likewise.
5401         (rest_of_handle_cse): Free dominance info if required.
5402         (rest_of_handle_cse2): Likewise.
5403         (rest_of_handle_cse_after_global_opts): Likewise.
5405 2016-05-11  Alan Modra  <amodra@gmail.com>
5407         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
5408         abi_v4_pass_in_fpr): New functions.
5409         (rs6000_function_arg_boundary): Exclude complex IBM long double
5410         from 64-bit alignment when ABI_V4.
5411         (rs6000_function_arg, rs6000_function_arg_advance_1,
5412         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
5414 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
5416         PR rtl-optimization/71028
5417         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
5418         jump with just a return in the fallthrough block if the branch
5419         block contains just a return as well.
5421 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
5423         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
5424         * match.pd ((X & Y) ^ Y): ... this.
5425         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
5426         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
5428 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5430         * read-md.c (require_char_ws): New function.
5431         (read_string): Simplify using require_char_ws.
5432         (handle_constants): Likewise.
5433         (handle_enum): Likewise.
5434         (handle_file): Likewise.
5435         * read-md.h (require_char_ws): New declaration.
5436         * read-rtl.c (read_conditions): Simplify using require_char_ws.
5437         (read_mapping): Likewise.
5438         (read_rtx_code): Likewise.
5439         (read_nested_rtx): Likewise.
5441 2016-05-10  James Norris  <jnorris@codesourcery.com>
5443         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
5444         if offloading is enabled and -fopenacc or -fopenmp is specified.
5445         (CRTOFFLOADEND): Likewise.
5446         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
5447         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
5449 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
5451         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
5452         gotoff_operand code paths.  Use copy_to_suggested_regs and
5453         expand_simple_binop where appropriate.  Cleanup.
5455 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5457         PR target/70799
5458         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5459         integer constants.
5460         (dimode_scalar_chain::vector_const_cost): New.
5461         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5462         (dimode_scalar_chain::convert_op): Likewise.
5463         (dimode_scalar_chain::convert_insn): Likewise.
5465 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5467         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5468         unary operation, not a binary one.
5470 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5472         PR middle-end/70877
5473         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5474         calls with type casted fndecl.
5476 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5478         PR tree-optimization/70786
5479         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5480         * calls.c (initialize_argument_information): Bind bounds
5481         with corresponding args passed by reference.
5483 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5485         PR target/70927
5486         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5487         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5488         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5489         accordingly.
5491 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5493         PR target/70963
5494         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5495         code for a zero scale factor.
5496         (vsx_xvcvdpuxds_scale): Likewise.
5498 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5500         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5501         if show_ruler_p was set on the context.
5502         (layout::show_ruler): New method.
5503         * diagnostic.h (struct diagnostic_context): Add field
5504         "show_ruler_p".
5506 2016-05-10  Richard Biener  <rguenther@suse.de>
5508         PR tree-optimization/71039
5509         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5510         (chk_uses): New function.
5511         (propagate_with_phi): Verify we can safely replicate the lhs of an
5512         aggregate assignment on all incoming edges.
5514 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5516         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5517         Forward declare.
5518         (rx_atomic_sequence): New class.
5519         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5520         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5521         non-inline.
5522         (rx_atomic_sequence::rx_atomic_sequence,
5523         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5524         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5525         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5526         CTRLREG_INTB): New constants.
5527         (FETCHOP): New code iterator.
5528         (fethcop_name, fetchop_name2): New iterator code attributes.
5529         (QIHI): New mode iterator.
5530         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5531         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5532         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5534 2016-05-10  Martin Liska  <mliska@suse.cz>
5536         * tree-inline.c (remap_dependence_clique): Do not remap
5537         debugging statements.
5539 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5541         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5542         ("*fixuns_truncdfdi2_z13")
5543         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5544         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5545         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5547 2016-05-10  Richard Biener  <rguenther@suse.de>
5549         PR tree-optimization/70497
5550         PR tree-optimization/28367
5551         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5552         split out from ...
5553         (visit_reference_op_load): ... here.
5554         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5555         with simplified BIT_FIELD_REFs.
5556         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5557         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5558         correctly.
5560 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5562         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5563         documentation comment.  For BLOCK nodes, add a
5564         DW_AT_abstract_origin attribute that points to the DIE generated
5565         for the origin BLOCK.
5566         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5567         blocks from inlined functions.
5569 2016-05-10  Alan Modra  <amodra@gmail.com>
5571         PR target/70947
5572         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5573         regrename modifying insns saving lr before __morestack call.
5574         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5575         insns restoring lr after __morestack call.
5577 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5579         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5580         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5581         expanders.
5582         * config/i386/sse.md (vec_interleave_high<mode>,
5583         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5584         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5586 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5588         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5589         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5590         parallel reassociation for power8 and forward.
5592 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5594         * config/i386/i386.md (absneg splitters with general regs): Use
5595         general_reg_operand predicate.
5596         (btsq peephole2): Use x86_64_immediate_operand to check if new
5597         value is suitable for immediate operand.  Generate emitted insn
5598         using RTL expressions.
5599         (btcq peephole2): Ditto.
5600         (btrq peephole2): Ditto.  Generate correct immediate operand
5601         for AND masking.
5603 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5605         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5606         bitpos.
5608 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5610         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5611         pointer dereference.
5613 2016-05-09  Richard Biener  <rguenther@suse.de>
5615         PR tree-optimization/70985
5616         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5617         op0 isn't a gimple register.
5619 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5621         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5622         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5623         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5624         (i6400_fpu_mult): New cpu units.
5625         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5626         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5627         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5628         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5629         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5630         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5631         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5632         (i6400_msa_long_float4, i6400_msa_long_float5)
5633         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5634         (i6400_msa_fdiv_sf): New reservations.
5635         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5636         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5637         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5638         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5639         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5640         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5641         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5642         (msa_short_store4, msa_long_load, msa_short_store)
5643         (msa_long_logic, msa_long_float2, msa_long_float4)
5644         (msa_long_float5, msa_long_float8, msa_long_mult)
5645         (msa_long_fdiv, msa_long_div): New reservations.
5647 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5648             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5649             Matthew Fortune  <matthew.fortune@imgtec.com>
5650             Graham Stott  <graham.stott@imgtec.com>
5651             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5653         * config.gcc: Add MSA header file for mips*-*-* target.
5654         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5655         (Ubv8i, Urv8):  New constraints.
5656         * config/mips/mips-ftypes.def: Add function types for MSA
5657         builtins.
5658         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5659         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5660         * config/mips/mips-msa.md: New file.
5661         * config/mips/mips-protos.h
5662         (mips_split_128bit_const_insns): New prototype.
5663         (mips_msa_idiv_insns): Likewise.
5664         (mips_split_128bit_move): Likewise.
5665         (mips_split_128bit_move_p): Likewise.
5666         (mips_split_msa_copy_d): Likewise.
5667         (mips_split_msa_insert_d): Likewise.
5668         (mips_split_msa_fill_d): Likewise.
5669         (mips_expand_msa_branch): Likewise.
5670         (mips_const_vector_same_val_p): Likewise.
5671         (mips_const_vector_same_bytes_p): Likewise.
5672         (mips_const_vector_same_int_p): Likewise.
5673         (mips_const_vector_shuffle_set_p): Likewise.
5674         (mips_const_vector_bitimm_set_p): Likewise.
5675         (mips_const_vector_bitimm_clr_p): Likewise.
5676         (mips_msa_vec_parallel_const_half): Likewise.
5677         (mips_msa_output_division): Likewise.
5678         (mips_ldst_scaled_shift): Likewise.
5679         (mips_expand_vec_cond_expr): Likewise.
5680         * config/mips/mips.c (enum mips_builtin_type): Add
5681         MIPS_BUILTIN_MSA_TEST_BRANCH.
5682         (mips_gen_const_int_vector_shuffle): New prototype.
5683         (mips_const_vector_bitimm_set_p): New function.
5684         (mips_const_vector_bitimm_clr_p): Likewise.
5685         (mips_const_vector_same_val_p): Likewise.
5686         (mips_const_vector_same_bytes_p): Likewise.
5687         (mips_const_vector_same_int_p): Likewise.
5688         (mips_const_vector_shuffle_set_p): Likewise.
5689         (mips_symbol_insns): Forbid loading symbols via immediate for
5690         MSA.
5691         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5692         stores.
5693         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5694         MSA.
5695         (mips_lx_address_p): Add support load indexed address for MSA.
5696         (mips_address_insns): Add calculation of instructions needed for
5697         stores and loads for MSA.
5698         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5699         CONST_VECTOR for MSA and let it fall through.
5700         (mips_ldst_scaled_shift): New function.
5701         (mips_subword_at_byte): Likewise.
5702         (mips_msa_idiv_insns): Likewise.
5703         (mips_legitimize_move): Validate MSA moves.
5704         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5705         calculation of costs for MSA division.
5706         (mips_split_move_p): Check if MSA moves need splitting.
5707         (mips_split_move): Split MSA moves if necessary.
5708         (mips_split_128bit_move_p): New function.
5709         (mips_split_128bit_move): Likewise.
5710         (mips_split_msa_copy_d): Likewise.
5711         (mips_split_msa_insert_d): Likewise.
5712         (mips_split_msa_fill_d): Likewise.
5713         (mips_output_move): Handle MSA moves.
5714         (mips_expand_msa_branch): New function.
5715         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5716         Reinstate 'y' modifier.
5717         (mips_file_start): Add MSA .gnu_attribute.
5718         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5719         FPRs.
5720         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5721         (mips_class_max_nregs): Add register size for MSA supported mode.
5722         (mips_cannot_change_mode_class): Allow conversion between MSA
5723         vector modes and TImode.
5724         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5725         instruction.
5726         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5727         (mips_preferred_simd_mode): Add preffered modes for MSA.
5728         (mips_vector_mode_supported_p): Add MSA supported modes.
5729         (mips_autovectorize_vector_sizes): New function.
5730         (mips_msa_output_division): Likewise.
5731         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5732         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5733         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5734         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5735         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5736         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5737         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5738         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5739         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5740         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5741         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5742         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5743         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5744         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5745         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5746         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5747         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5748         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5749         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5750         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5751         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5752         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5753         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5754         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5755         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5756         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5757         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5758         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5759         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5760         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5761         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5762         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5763         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5764         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5765         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5766         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5767         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5768         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5769         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5770         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5771         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5772         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5773         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5774         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5775         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5776         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5777         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5778         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5779         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5780         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5781         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5782         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5783         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5784         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5785         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5786         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5787         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5788         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5789         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5790         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5791         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5792         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5793         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5794         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5795         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5796         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5797         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5798         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5799         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5800         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5801         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5802         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5803         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5804         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5805         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5806         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5807         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5808         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5809         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5810         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5811         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5812         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5813         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5814         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5815         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5816         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5817         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5818         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5819         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5820         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5821         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5822         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5823         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5824         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5825         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5826         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5827         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5828         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5829         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5830         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5831         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5832         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5833         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5834         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5835         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5836         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5837         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5838         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5839         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5840         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5841         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5842         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5843         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5844         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5845         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5846         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5847         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5848         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5849         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5850         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5851         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5852         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5853         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5854         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5855         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5856         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5857         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5858         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5859         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5860         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5861         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5862         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5863         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5864         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5865         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5866         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5867         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5868         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5869         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5870         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5871         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5872         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5873         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5874         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5875         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5876         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5877         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5878         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5879         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5880         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5881         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5882         move_v builtins.
5883         (mips_get_builtin_decl_index): New array.
5884         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5885         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5886         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5887         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5888         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5889         array.
5890         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5891         hook.
5892         (mips_expand_builtin_insn): Prepare operands for
5893         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5894         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5895         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5896         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5897         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5898         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5899         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5900         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5901         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5902         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5903         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5904         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5905         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5906         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5907         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5908         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5909         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5910         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5911         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5912         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5913         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5914         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5915         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5916         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5917         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5918         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5919         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5920         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5921         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5922         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5923         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5924         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5925         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5926         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5927         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5928         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5929         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5930         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5931         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5932         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5933         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5934         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5935         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5936         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5937         These are set implicitly and an error is reported if overridden.
5938         (mips_expand_builtin_msa_test_branch): New function.
5939         (mips_expand_msa_shuffle): Likewise.
5940         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5941         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5942         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5943         (mips_expand_vec_unpack): Add support for MSA.
5944         (mips_expand_vector_init): Likewise.
5945         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5946         instead of const0_rtx.
5947         (mips_msa_vec_parallel_const_half): New function.
5948         (mips_gen_const_int_vector): Likewise.
5949         (mips_gen_const_int_vector_shuffle): Likewise.
5950         (mips_expand_msa_cmp): Likewise.
5951         (mips_expand_vec_cond_expr): Likewise.
5952         * config/mips/mips.h
5953         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5954         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5955         specified.
5956         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5957         (ISA_HAS_MSA): New macro.
5958         (UNITS_PER_MSA_REG): Likewise.
5959         (BITS_PER_MSA_REG): Likewise.
5960         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5961         (MSA_REG_FIRST): New macro.
5962         (MSA_REG_LAST): Likewise.
5963         (MSA_REG_NUM): Likewise.
5964         (MSA_REG_P): Likewise.
5965         (MSA_REG_RTX_P): Likewise.
5966         (MSA_SUPPORTED_MODE_P): Likewise.
5967         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5968         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5969         * config/mips/mips.md: Include mips-msa.md.
5970         (alu_type): Add simd_add.
5971         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5972         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5973         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5974         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5975         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5976         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5977         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5978         simd_move, simd_load, simd_store.  Choose "multi" for moves
5979         for "qword_mode".
5980         (qword_mode): New attribute.
5981         (insn_count): Add instruction count for quad moves.
5982         Increase the count for MIPS SIMD division.
5983         (UNITMODE): Add UNITMODEs for vector types.
5984         (addsub): New code iterator.
5985         * config/mips/mips.opt (mmsa): New option.
5986         * config/mips/msa.h: New file.
5987         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5988         specified.
5989         * config/mips/mti-linux.h: Likewise.
5990         * config/mips/predicates.md
5991         (const_msa_branch_operand): New constraint.
5992         (const_uimm3_operand): Likewise.
5993         (const_uimm4_operand): Likewise.
5994         (const_uimm5_operand): Likewise.
5995         (const_uimm8_operand): Likewise.
5996         (const_imm5_operand): Likewise.
5997         (aq10b_operand): Likewise.
5998         (aq10h_operand): Likewise.
5999         (aq10w_operand): Likewise.
6000         (aq10d_operand): Likewise.
6001         (const_m1_operand): Likewise.
6002         (reg_or_m1_operand): Likewise.
6003         (const_exp_2_operand): Likewise.
6004         (const_exp_4_operand): Likewise.
6005         (const_exp_8_operand): Likewise.
6006         (const_exp_16_operand): Likewise.
6007         (const_vector_same_val_operand): Likewise.
6008         (const_vector_same_simm5_operand): Likewise.
6009         (const_vector_same_uimm5_operand): Likewise.
6010         (const_vector_same_uimm6_operand): Likewise.
6011         (const_vector_same_uimm8_operand): Likewise.
6012         (par_const_vector_shf_set_operand): Likewise.
6013         (reg_or_vector_same_val_operand): Likewise.
6014         (reg_or_vector_same_simm5_operand): Likewise.
6015         (reg_or_vector_same_uimm6_operand): Likewise.
6016         * doc/extend.texi (MIPS SIMD Architecture Functions): New
6017         section.
6018         * doc/invoke.texi (-mmsa): Document new option.
6020 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6022         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
6023         * configure: Regenerate.
6024         * config.in: Regenerate.
6025         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
6026         on -fvtable-verify.
6027         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
6028         (ENDFILE_VTV_SPEC): Define.
6030 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
6032         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
6033         registers in all interrupt handlers if necessary.
6034         (rl78_option_override): Add warning.
6035         (MUST_SAVE_MDUC_REGISTERS): New macro.
6036         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
6037         * config/rl78/rl78.c (check_mduc_usage): New function.
6038         (mduc_regs): New structure to hold MDUC register data.
6039         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
6040         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
6041         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
6042         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
6043         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
6044         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
6046 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
6048         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
6049         (tree-ssa-loop-niter.h): Ditto.
6050         (idx_within_array_bound, ref_within_array_bound): New functions.
6051         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
6052         Factor out check on writable base object to ...
6053         (base_object_writable): ... here.
6055 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6057         * config/arm/arm.md (probe_stack): Add modes to set source
6058         and destination.
6060 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
6062         * regrename.c (base_reg_class_for_rename): New static function.
6063         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
6065 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
6067         * cgraph.c (thunk_adjust): Export.
6068         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
6069         * cgraphunit.c (thunk_adjust): Export.
6070         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
6071         thunks.
6072         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
6073         inlinable.
6074         * tree-inline.c (expand_call_inline): Expand thunks inline.
6076 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
6078         PR target/70998
6079         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
6080         (*sse2_vd_cvtss2sd): Ditto.
6081         * config/i386/i386.md
6082         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
6083         Generate *sse2_vd_cvtsd2ss pattern.
6084         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
6085         Generate *sse2_vd_cvtss2sd pattern.
6087 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6089         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
6090         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
6091         users.
6093 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6095         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
6096         * config/sh/sh.c: Define and declare variables on first use throughout
6097         the file.
6098         (current_function_interrupt): Change to bool type.
6099         (frame_insn): Rename to emit_frame_insn and update users.
6100         (push_regs): Use bool for 'interrupt_handler' argument.
6101         (save_schedule_s): Remove.
6102         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
6103         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
6104         targetm.asm_out.unaligned_op.di.
6105         (gen_far_branch): Remove redundant forward declaration.
6106         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
6107         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
6108         (sh_set_return_address, sh_function_ok_for_sibcall,
6109         scavenge_reg): Update comments.
6110         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
6111         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
6112         (sh_attr_renesas_p): Remove unnecessary parentheses.
6113         (branch_dest): Simplify.
6114         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
6115         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
6116         (CUMULATIVE_ARGS): Change macro to typedef.
6117         (current_function_interrupt): Change to bool type.
6118         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
6119         Surround with __cplusplus ifdef.
6120         (sh_compare_op0, sh_compare_op1): Remove.
6121         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
6123 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
6125         * config/arm/arm.md: (arch): Add neon.
6126         (arch_enabled): Return yes for arch neon when TARGET_NEON.
6127         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
6128         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
6129         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
6130         attributes for alt renumbering.  Mark alt 3 as non-predicable.
6131         (thumb2_movdf_vfp): Likewise.
6133 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
6135         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
6136         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
6137         (*andqi_1): Add preferred_for_speed attribute to disparage
6138         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
6139         (*<code>qi_1): Ditto.
6140         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
6141         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
6142         (*ashlqi3_1): Ditto.
6143         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
6144         Add preferred_for_size attribute to disparage alternative 0 and
6145         preferred_for_speed attribute to disparage alternative 1 for
6146         TARGET_PARTIAL_REG_STALL targets.
6148 2016-05-07  Tom de Vries  <tom@codesourcery.com>
6150         PR tree-optimization/70956
6151         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
6152         def.
6154 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
6156         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
6157         * config/sh/sh.c (sh_cbranch_distance): Implement it.
6158         * config/sh/sh.md (branch_zero): Remove define_attr.
6159         (define_delay): Disable delay slot if branch distance is one insn.
6161 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6163         * config/i386/i386.md (LEAMODE): New mode attribute.
6164         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
6165         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
6166         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
6167         operand 2 predicate.
6168         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
6169         (*lea<mode>_general_3): Ditto.
6170         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
6172 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6174         * genmddump.c (main): Convert argv from char ** to const char **.
6176 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6178         * coretypes.h (OVERRIDE): New macro.
6179         (FINAL): New macro.
6181 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
6183         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
6184         allow coalescing if the types are compatible.
6186 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6188         * pass_manager.h (pass_manager::register_pass_name): New method.
6189         (pass_manager::get_pass_by_name): New method.
6190         (pass_manager::create_pass_tab): New method.
6191         (pass_manager::m_name_to_pass_map): New field.
6192         * passes.c (name_to_pass_map): Delete global in favor of field
6193         "m_name_to_pass_map" of pass_manager.
6194         (register_pass_name): Rename from a function to...
6195         (pass_manager::register_pass_name): ...this method, updating
6196         for renaming of global "name_to_pass_map" to field
6197         "m_name_to_pass_map".
6198         (create_pass_tab): Rename from a function to...
6199         (pass_manager::create_pass_tab): ...this method, updating
6200         for renaming of global "name_to_pass_map" to field.
6201         (get_pass_by_name): Rename from a function to...
6202         (pass_manager::get_pass_by_name): ...this method.
6203         (enable_disable_pass): Convert use of get_pass_by_name to
6204         a method call, locating the pass_manager singleton.
6206 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6208         * genattr-common.c (main): Convert argv from char ** to const char **.
6209         * genattr.c (main): Likewise.
6210         * genattrtab.c (main): Likewise.
6211         * genautomata.c (initiate_automaton_gen): Likewise.
6212         (main): Likewise.
6213         * gencodes.c (main): Likewise.
6214         * genconditions.c (main): Likewise.
6215         * genconfig.c (main): Likewise.
6216         * genconstants.c (main): Likewise.
6217         * genemit.c (main): Likewise.
6218         * genenums.c (main): Likewise.
6219         * genextract.c (main): Likewise.
6220         * genflags.c (main): Likewise.
6221         * genmddeps.c (main): Likewise.
6222         * genopinit.c (main): Likewise.
6223         * genoutput.c (main): Likewise.
6224         * genpeep.c (main): Likewise.
6225         * genpreds.c (main): Likewise.
6226         * genrecog.c (main): Likewise.
6227         * gensupport.c (init_rtx_reader_args_cb): Likewise.
6228         (init_rtx_reader_args): Likewise.
6229         * gensupport.h (init_rtx_reader_args_cb): Likewise.
6230         (init_rtx_reader_args): Likewise.
6231         * gentarget-def.c (main): Likewise.
6232         * read-md.c (read_md_files): Likewise.
6233         * read-md.h (read_md_files): Likewise.
6235 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6237         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
6238         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
6239         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
6240         Remove unused predicate.
6241         (register_and_not_fp_reg_operand): Ditto.
6243 2016-05-06  Martin Liska  <mliska@suse.cz>
6245         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
6246         instead of vec as the vector is local to the function.
6248 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6250         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
6251         avx512bw alternative.
6253         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
6254         before the ashr<mode>3 pattern.
6256         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
6257         v instead of x in vex or maybe_vex alternatives, use
6258         maybe_evex instead of vex in prefix.
6260         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
6261         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
6262         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
6263         in vex or maybe_vex alternatives, use maybe_evex instead of vex
6264         in prefix.
6266         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
6267         v instead of x in vex or maybe_vex alternatives, use
6268         maybe_evex instead of vex in prefix.
6270         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
6271         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
6272         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
6273         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
6274         alternatives, use maybe_evex instead of vex in prefix.
6276         * config/i386/sse.md (vec_interleave_lowv4sf,
6277         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
6278         v instead of x in vex or maybe_vex alternatives, use
6279         maybe_evex instead of vex in prefix.
6281         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
6282         v instead of x in vex or maybe_vex alternatives, use
6283         maybe_evex instead of vex in prefix.
6285         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
6286         v constraint instead of x.
6288 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6290         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
6291         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
6292         equality first.
6294 2016-05-06  Richard Biener  <rguenther@suse.de>
6296         PR tree-optimization/70948
6297         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
6298         Properly clobber all fields of va_list for __builtin_va_start.
6300 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
6302         PR debug/70935
6303         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
6304         loop latch destination.
6306 2016-05-06  Martin Liska  <mliska@suse.cz>
6308         * tree-ssa-uninit.c: Apply manual changes
6309         to the GNU coding style.
6310         (prune_uninit_phi_opnds): Rename from
6311         prune_uninit_phi_opnds_in_unrealizable_paths.
6313 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6315         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
6316         mspace): Remove deprecated options.
6317         * doc/invoke.texi (SH options): Remove -mspace.
6319 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6321         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
6323 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6325         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
6326         corresponding combine split pattern.
6328 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6330         PR target/58219
6331         * config/sh/predicates.md (long_displacement_mem_operand): New.
6332         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
6333         Add movi20, movi20s alternatives.  Adjust length attribute for
6334         alternatives.
6335         (movsi_ie): Allow for any FPU.  Adjust length attribute for
6336         alternatives.
6337         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
6338         attribute for alternatives.
6339         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
6340         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
6341         length attribute for alternatives.
6343 2016-05-06  Richard Biener  <rguenther@suse.de>
6345         PR tree-optimization/70960
6346         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
6348 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6350         PR target/52933
6351         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
6352         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
6354 2016-05-06  Marek Polacek  <polacek@redhat.com>
6356         PR sanitizer/70875
6357         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
6359 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6361         PR target/54089
6362         * config/sh/sh.md (*rotcr): Add another variant.
6364 2016-05-06  Richard Biener  <rguenther@suse.de>
6366         PR middle-end/70931
6367         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6369 2016-05-06  Richard Biener  <rguenther@suse.de>
6371         PR middle-end/70941
6372         * fold-const.c (split_tree): Always convert to the original type
6373         before negating.
6375 2016-05-06  Richard Biener  <rguenther@suse.de>
6377         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
6378         (fwprop_addr): Likewise.
6380 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6382         PR target/70873
6383         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
6384         New prototype.
6385         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
6386         * config/i386/i386.md (push mem splitter): Use find_constant_src in
6387         the splitter condition.
6388         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
6389         the splitter condition.
6390         (FP float_extend load splitter): Ditto.
6392 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
6394         * config/i386/i386.md (peehole2 patterns): Change true_regnum
6395         to REGNO in all peephole2 patterns.
6396         (post-reload splitters): Change true_regnum to REGNO in
6397         post-reload splitters.
6398         (zero_extend splitters): Use general_reg_operand and
6399         nonimmediate_gr_operand predicates.
6401 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
6403         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
6404         v constraint instead of x.
6406 2016-05-05  Alan Modra  <amodra@gmail.com>
6408         PR target/68662
6409         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6410         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
6411         TARGET_NO_FP_IN_TOC for -mrelocatable.
6412         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
6413         TARGET_RELOCATABLE test.
6414         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6415         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6416         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6417         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6418         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6419         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6420         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6421         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6422         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
6423         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6424         Likewise.
6425         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
6426         (rs6000_stack_info): Likewise.
6427         (rs6000_elf_asm_out_constructor): Likewise.
6428         (rs6000_elf_asm_out_destructor): Likewise.
6429         (rs6000_elf_declare_function_name): Likewise.
6430         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
6431         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
6432         Don't define.
6434 2016-05-05  Alan Modra  <amodra@gmail.com>
6436         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
6438 2016-05-05  Alan Modra  <amodra@gmail.com>
6440         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6441         out-of-line gpr restore for one or two regs if that would add
6442         a save of lr.
6444 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
6446         PR target/70873
6447         * config/i386/i386.md
6448         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
6449         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
6450         as operand 0 predicate.
6451         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
6452         Ditto.
6453         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
6454         Ditto.  Emit the pattern using RTX.
6456         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6457         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6458         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6459         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6460         Ditto.
6461         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6462         sse_reg_operand as operand 0 predicate.
6464         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6465         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6466         instead of gen_rtx_REG.
6467         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6468         Ditto.
6470 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6472         * function.c (emit_use_return_register_into_block): Delete.
6473         (gen_return_pattern): Delete.
6474         (emit_return_into_block): Delete.
6475         (active_insn_between): Delete.
6476         (convert_jumps_to_returns): Delete.
6477         (emit_return_for_exit): Delete.
6478         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6479         simple_return for shrink-wrapped blocks.
6480         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6481         end of blocks that need one.
6482         (get_unconverted_simple_return): Delete.
6483         (convert_to_simple_return): Delete.
6484         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6485         (convert_to_simple_return): Ditto.
6487 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6489         * cfgcleanup.c (bb_is_just_return): New function.
6490         (try_optimize_cfg): Simplify jumps to return, branches to return,
6491         and branches around return.
6493 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6495         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6496         branch to a return.
6498 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6500         PR c++/70906
6501         PR c++/70933
6502         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6503         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6504         assert flags & OEP_HASH_CHECK, instead of asserting it
6505         never happens.  Handle TARGET_EXPR.
6506         * fold-const.c (operand_equal_p): For hash verification,
6507         or in OEP_HASH_CHECK into flags.
6509 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6511         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6512         comment.
6513         (compute_samebase_partition_bases): Fix typo.
6515 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6517         * config/i386/sse.md (vec_interleave_highv8sf,
6518         vec_interleave_lowv8sf, vec_interleave_highv4df,
6519         vec_interleave_lowv4df): Remove constraints from expanders.
6521         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6523 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6525         * tree-inline.c (expand_call_inline): Fix path dealing with
6526         making lhs of call statement undefined.
6528 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6530         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6531         Check availability on NODE, too.
6532         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6533         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6534         (varpool_node::call_for_symbol_and_aliase): Likewise.
6535         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6536         (propagate_pure_const): Propagate across interposable functions, too.
6537         (skip_function_for_local_pure_const): Do not skip interposable bodies
6538         with aliases.
6539         (pass_local_pure_const::execute): Update.
6541 2016-05-04  Marek Polacek  <polacek@redhat.com>
6543         * doc/invoke.texi: Document -Wdangling-else.
6545 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6547         * config.gcc: Error out when conflicting multilib is detected.  Do not
6548         loop over multilibs since no combination is legal.
6550 2016-05-04  Alan Modra  <amodra@gmail.com>
6552         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6553         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6554         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6555         Align .toc.
6557 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6559         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6560         Clean up p5600 comments.
6562 2016-05-04  Richard Biener  <rguenther@suse.de>
6564         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6565         constructor simplifications.
6566         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6568 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6570         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6571         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6572         result.set_rtx is null instead of aborting.
6573         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6574         Always enable.
6575         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6576         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6577         *mov<mode>_store_postinc): New patterns.
6579 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6581         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6582         as commutative.  Check both conversions are NOP.
6583         ((A & B) OP (C & B)): Remove.
6585 2016-05-04  Alan Modra  <amodra@gmail.com>
6587         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6589 2016-05-04  Alan Modra  <amodra@gmail.com>
6591         PR target/70866
6592         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6593         when cr2,3,4 are all fixed regs.
6595 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6597         PR rtl-optimization/57193
6598         * opts.c (default_options_table): Revert OPT_frename_registers change.
6599         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6601 2016-05-03  Martin Sebor  <msebor@redhat.com>
6603         PR c++/66561
6604         * builtins.c (fold_builtin_FILE): New function.
6605         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6606         (fold_builtin_0): Call them.
6607         * gimplify.c (gimplify_call_expr): Remove the handling of
6608         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6610         PR c++/66561
6611         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6612         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6613         constants.
6615         PR c++/66639
6616         * doc/extend.texi (Function Names as Strings): Update __func__,
6617         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6618         constants.
6620 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6621             Richard Biener  <rguenther@suse.de>
6623         PR tree-optimization/70916
6624         * tree-if-conv.c: Include cfganal.h.
6625         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6626         and remove_fake_exit_edges around the optimization pass.
6628 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6630         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6631         (cgraph_edge::make_direct): Likewise.
6632         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6633         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6634         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6635         (CIF_THUNK): New code.
6636         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6637         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6638         (compute_inline_parameters): Set inline_failed for thunks.
6639         (inline_analyze_function): Cleanup.
6640         * ipa-inline.c (can_inline_edge_p): Do not deal with
6641         call_stmt_cannot_inline_p.
6642         (can_early_inline_edge_p): Likewise.
6643         (early_inliner): Initialize inline_failed.
6644         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6646 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6648         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6649         from nonimm_ssenomem_operand.
6650         (nonimm_ssenomem_operand): New predicate.
6651         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6652         as operand 0 predicate.
6653         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6654         Disable unsupported alternatives using "enabled" attribute.
6655         Use register_ssemem_operand as operand 0 predicate.
6656         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6658 2016-05-03  Marek Polacek  <polacek@redhat.com>
6660         PR c/70859
6661         * input.c (expansion_point_location): New function.
6662         * input.h (expansion_point_location): Declare.
6664 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6666         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6667         occurence with frame_offset_ ones.
6669 2016-05-03  Alan Modra  <amodra@gmail.com>
6671         PR rtl-optimization/70890
6672         * ira.c (combine_and_move_insns): When moving def_insn, remove
6673         equivs on use_insn.
6675 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6677         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6678         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6679         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6680         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6682 2016-05-03  Alan Modra  <amodra@gmail.com>
6684         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6685         for SAVE_MULTIPLE/STORE_MULTIPLE.
6687 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6689         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6690         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6692 2016-05-03  Richard Biener  <rguenther@suse.de>
6694         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6695         default true.
6696         (gimplify_arg): Likewise.
6697         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6698         re-writing the result to a decl if required.
6699         (internal_get_tmp_var): Add allow_ssa parameter
6700         and override into_ssa with it.
6701         (get_formal_tmp_var): Adjust.
6702         (get_initialized_tmp_var): Add allow_ssa parameter.
6703         (gimplify_arg): Add allow_ssa parameter and avoid generating
6704         SSA names for the result false.
6705         (gimplify_call_expr): If the call may return twice do not
6706         gimplify parameters into SSA.
6707         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6708         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6709         with a SSA name LHS adjust its def.
6710         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6711         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6712         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6713         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6714         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6715         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6716         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6717         (optimize_target_teams): Do not allow SSA names for clause operands.
6718         (gimplify_expr): Likewise for where we mark the result addressable.
6719         * passes.def (pass_init_datastructures): Remove.
6720         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6721         (rewrite_stmt): Likewise.
6722         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6723         (replace_locals_op): Replace SSA names.
6724         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6725         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6726         * cgraph.c (release_function_body): Free CFG annotations only
6727         when we have a CFG.  Simplify.
6728         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6729         force_gimple_operand instead of get_initialized_tmp_var.
6730         * tree-pass.h (make_pass_init_datastructures): Remove.
6731         * tree-ssa.c (execute_init_datastructures): Remove.
6732         (pass_data_init_datastructures): Likewise.
6733         (class pass_init_datastructures): Likewise.
6734         (make_pass_init_datastructures): Likewise.
6735         * omp-low.c (create_omp_child_function): Init SSA data structures.
6736         (grid_expand_target_grid_body): Likewise.
6737         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6738         name before adding it to names_to_release.
6739         (remove_bb): Always release SSA defs.
6740         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6741         before dereferencing it.
6742         * cgraphunit.c (init_lowered_empty_function): Always
6743         int SSA data structures.
6744         * tree-ssanames.c (release_defs): Remove assert that we are in
6745         SSA form.
6746         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6748 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6749             Uros Bizjak  <ubizjak@gmail.com>
6751         PR rtl-optimization/70467
6752         * config/i386/predicates.md (x86_64_hilo_int_operand,
6753         x86_64_hilo_general_operand): New predicates.
6754         * config/i386/constraints.md (Wd): New constraint.
6755         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6756         (general_hilo_operand): New mode attr.
6757         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6758         instead of <general_operand>.
6759         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6760         x86_64_hilo_general_operand instead of <general_operand>.
6762 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6764         PR tree-optimization/70916
6765         * tree-if-conv.c (constant_or_ssa_name): Removed.
6766         (fold_build_cond_expr): Use is_gimple_val instead of
6767         constant_or_ssa_name.
6769         PR tree-optimization/70916
6770         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6771         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6773         PR target/49244
6774         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6775         (optimize_atomic_bit_test_and): New function.
6776         (pass_fold_builtins::execute): Use it.
6777         * optabs.def (atomic_bit_test_and_set_optab,
6778         atomic_bit_test_and_complement_optab,
6779         atomic_bit_test_and_reset_optab): New optabs.
6780         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6781         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6782         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6783         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6784         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6785         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6786         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6787         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6788         atomic_bit_test_and_complement@var{mode},
6789         atomic_bit_test_and_reset@var{mode}): Document.
6790         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6791         atomic_bit_test_and_complement<mode>,
6792         atomic_bit_test_and_reset<mode>): New expanders.
6793         (atomic_bit_test_and_set<mode>_1,
6794         atomic_bit_test_and_complement<mode>_1,
6795         atomic_bit_test_and_reset<mode>_1): New insns.
6797 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6799         PR rtl-optimization/70687
6800         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6801         instead of unsigned HOST_WIDE_INT.
6803 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6805         PR rtl-optimization/44281
6806         * hard-reg-set.h (struct target_hard_regs): New field
6807         x_fixed_nonglobal_reg_set.
6808         (fixed_nonglobal_reg_set): New macro.
6809         * reginfo.c (init_reg_sets_1): Initialize it.
6810         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6811         of fixed_reg_set.
6812         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6814 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6816         PR tree-optimization/56541
6817         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6818         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6819         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6820         (any_complicated_phi): new static variable.
6821         (aggressive_if_conv): delete.
6822         (if_convertible_phi_p): support phis with more than two arguments.
6823         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6824         critical pred edges.
6825         (ifcvt_split_critical_edges): support phis with more than two
6826         arguments by checking new parameter.  only split critical edges
6827         if needed.
6828         (tree_if_conversion): handle simd pragma marked loop using new
6829         local variable aggressive_if_conv.  check any_complicated_phi.
6831 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6833         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6834         before using it.
6836 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6838         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6839         cbase.
6841 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6843         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6844         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6845         define_insn_and_split.
6846         (mulsi3_i): New define_insn_and_split.
6847         (mulsi3_call): Convert to define_insn.
6848         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6849         Remove constraints.
6851 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6853         * machmode.h (mode_complex): Add support to give the complex mode
6854         for a given mode.
6855         (GET_MODE_COMPLEX_MODE): Likewise.
6856         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6857         stored by build_complex_type and gfc_build_complex_type instead of
6858         trying to figure out the appropriate mode based on the size. Raise
6859         an assertion error, if the type was not set.
6860         * genmodes.c (struct mode_data): Add field for the complex type of
6861         the given type.
6862         (blank_mode): Likewise.
6863         (make_complex_modes): Remember the complex mode created in the
6864         base type.
6865         (emit_mode_complex): Write out the mode_complex array to map a
6866         type mode to the complex version.
6867         (emit_insn_modes_c): Likewise.
6868         * tree.c (build_complex_type): Set the complex type to use before
6869         calling layout_type.
6870         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6871         support for __float128 complex datatypes.
6872         (rs6000_hard_regno_mode_ok): Likewise.
6873         (rs6000_setup_reg_addr_masks): Likewise.
6874         (rs6000_complex_function_value): Likewise.
6875         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6876         __float128 and __ibm128 complex.
6877         (FLOAT128_IBM_P): Likewise.
6878         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6879         * doc/extend.texi (Additional Floating Types): Document that
6880         -mfloat128 must be used to enable __float128.  Document complex
6881         __float128 and __ibm128 support.
6883 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6885         PR target/49244
6886         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6887         char/short arguments promoted to int because of promote_prototypes.
6889 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6891         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6892         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6893         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6894         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6895         alternatives using "enabled" attribute.  Use register_ssemem_operand
6896         as operand 1 predicate.
6897         (*cmpi<unord>xf_i387): Split XFmode pattern from
6898         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6899         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6900         *absneg<mode>2_i387.  Disable unsupported alternatives using
6901         "enabled" attribute.
6902         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6904 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6906         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6907         marker.
6908         (oacc_loop_process): Check mask for loop termination.
6910 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6912         * cif-code.def (CIF_THUNK): Add.
6913         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6914         accidental change.
6916 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6918         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6919         (dump_inline_summary): Dump it.
6920         (fp_expression_p): New predicate.
6921         (estimate_function_body_sizes): Use it.
6922         (inline_merge_summary): Merge fp_expressions.
6923         (inline_read_section): Read fp_expressions.
6924         (inline_write_summary): Write fp_expressions.
6925         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6926         codegen boundary if either caller or callee is !fp_expressions.
6927         * ipa-inline.h (inline_summary): Add fp_expressions.
6928         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6929         to fp_expressions be sure the fp generation flags are updated.
6931 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6933         PR rtl-optimization/70467
6934         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6936         PR rtl-optimization/70467
6937         * ipa-pure-const.c (check_call): Handle internal calls even in
6938         ipa mode like in local mode.
6940 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6942         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6944 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6946         * match.pd (X u< X, X u> X): New transformations.
6948 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6950         * flag-types.h (enum warn_strict_overflow_code): Move ...
6951         * coretypes.h: ... here.
6952         * fold-const.h (fold_overflow_warning): Declare.
6953         * fold-const.c (fold_overflow_warning): Make non-static.
6954         (fold_comparison): Move the transformation of X +- C1 CMP C2
6955         into X CMP C2 -+ C1 ...
6956         * match.pd: ... here.
6957         * gimple-fold.c (fold_stmt_1): Protect with
6958         fold_defer_overflow_warnings.
6960 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6962         * omp-low.c (struct oacc_loop): Add 'inner' field.
6963         (new_oacc_loop_raw): Initialize it to zero.
6964         (oacc_loop_fixed_partitions): Initialize it.
6965         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6966         available partitioning.
6968 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6970         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6971         register_operand.
6972         (umulsidi3): Likewise.
6973         (indirect_jump): Fix jump instruction assembly patterns.
6975 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6977         PR target/70860
6978         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6979         (nvptx_function_value): Assert non-NULL cfun.
6981 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6983         PR rtl-optimization/70886
6984         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6986         * cselib.h (rtx_equal_for_cselib_1): Declare.
6987         (rtx_equal_for_cselib_p: New inline function.
6988         * cselib.c (rtx_equal_for_cselib_p): Delete.
6989         (rtx_equal_for_cselib_1): Make public.
6991 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6993         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6994         (register_mixssei387nonimm_operand): Remove predicate.
6995         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6996         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6997         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6998         for TARGET_MIX_SSE_I387 alternatives.
6999         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
7000         Disable unsupported alternatives using "enabled" attribute.  Use
7001         nonimm_ssenomem_operand as operand 1 predicate.  Also check
7002         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
7004 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7006         * tree.c (cst_and_fits_in_hwi): Simplify.
7008 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7010         * tree.h (wi::to_wide): New function.
7011         * expr.c (expand_expr_real_1): Use wi::to_wide.
7012         * fold-const.c (int_const_binop_1): Likewise.
7013         (extract_muldiv_1): Likewise.
7015 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7017         * wide-int.h: Update offset_int and widest_int documentation.
7018         (WI_SIGNED_SHIFT_RESULT): New macro.
7019         (wi::binary_shift): Define signed_shift_result_type for
7020         shifts on offset_int- and widest_int-like types.
7021         (generic_wide_int): Support <<= and >>= if << and >> are supported.
7022         * tree.h (int_bit_position): Use shift operators instead of wi::
7023          shifts.
7024         * alias.c (adjust_offset_for_component_ref): Likewise.
7025         * expr.c (get_inner_reference): Likewise.
7026         * fold-const.c (fold_comparison): Likewise.
7027         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
7028         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
7029         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7030         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
7031         (stmt_kills_ref_p): Likewise.
7032         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
7033         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
7034         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7035         (ao_ref_init_from_vn_reference): Likewise.
7037 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7039         * wide-int.h: Update offset_int and widest_int documentation.
7040         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
7041         (wi::binary_traits): Allow ordered comparisons between offset_int and
7042         offset_int, between widest_int and widest_int, and between either
7043         of these types and basic C types.
7044         (operator <, <=, >, >=): Define for the same combinations.
7045         * tree.h (tree_int_cst_lt): Use comparison operators instead
7046         of wi:: comparisons.
7047         (tree_int_cst_le): Likewise.
7048         * gimple-fold.c (fold_array_ctor_reference): Likewise.
7049         (fold_nonarray_ctor_reference): Likewise.
7050         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
7051         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
7052         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
7053         * tree-sra.c (completely_scalarize): Likewise.
7054         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
7055         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
7056         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
7057         (check_for_binary_op_overflow): Likewise.
7058         (search_for_addr_array): Likewise.
7059         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
7061 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7063         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
7064         (arc_save_restore): Likewise.
7065         (arc_dwarf_register_span): Likewise.
7066         (arc_output_pic_addr_const): Initialize suffix variable.
7068 2016-05-02  Martin Liska  <mliska@suse.cz>
7070         * symbol-summary.h (function_summary::function_summary):
7071         Remove checking assert for all cgraph nodes.
7072         (function_summary::get): Check summary_uid.
7073         (symtab_insertion): Check summary_uid.
7075 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7077         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
7078         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
7079         bmaskn instruction.
7080         (arc_dwarf_register_span): Remove enum keyword.
7081         (compact_memory_operand_p): New function.
7082         * config/arc/arc.h (reg_class): Add code density register classes.
7083         (REG_CLASS_NAMES): Likewise.
7084         (REG_CLASS_CONTENTS): Likewise.
7085         * config/arc/arc.md (*movqi_insn): Add code density instructions.
7086         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
7087         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
7088         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
7089         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
7090         constraints.
7091         (h, Rcd, Rsd, Rzd): New register constraints.
7092         (T): Use compact_memory_operand_p function.
7093         * config/arc/predicates.md (compact_load_memory_operand): Remove.
7095 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7097         * config/sh/sh.md (*negnegt, *movtt): Remove.
7099 2016-05-02  Marek Polacek  <polacek@redhat.com>
7100             Tom de Vries  <tom@codesourcery.com>
7102         PR tree-optimization/70700
7103         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
7104         bigger than FIRST_REF_NODE.
7106 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7108         PR target/52898
7109         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
7110         TARGET_CMPEQDI_T.
7111         (prepare_cbranch_operands): Don't use scratch register.  Assume that
7112         function is used when pseudos can be created.
7113         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
7114         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
7115         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
7116         define_expand.  Allow it only when pseudos can be created.
7117         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
7119 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
7121         * config/i386/constraints.md (BC): Only allow -1 operands.
7122         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
7123         Add "enabled" attribute.  Update XI mode attribute calculation.
7124         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
7125         (*movoi_internal_avx): Update XI mode attribute calculation.
7126         (*movti_internal): Ditto.
7128 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7130         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
7131         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
7133 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
7135         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
7136         statement on instruction code.  Remove trailing spaces.
7137         (altivec_expand_stv_builtin): Likewise.
7139 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7141         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
7142         (TARGET_FPU_DOUBLE): Simplify.
7143         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
7144         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
7145         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
7146         with 'TARGET_FPU_DOUBLE'.
7147         * config/sh/sh.md: Likewise.
7149 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
7151         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
7152         SH_DIV_STR_FOR_SIZE): Remove.
7153         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
7154         SH_DIV_STR_FOR_SIZE): Remove.
7156 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7158         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
7159         logical_reg_operand): Delete.
7160         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
7161         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
7162         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
7163         match_operand and match_test.
7164         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
7165         variables on their first use.  Return bool values.
7166         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
7167         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
7168         arith_reg_operand for input operand.  Remove empty constraints.
7169         (xorsi3): Delete.
7170         (*xorsi3_compact): Rename to xorsi3.
7171         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
7172         (*zero_extend<mode>si2_disp_mem): Update comment.
7173         (mov_nop): Delete.
7175 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7177         * config/sh/t-sh: Remove SH5 support.
7178         * config.gcc: Likewise.
7179         * configure: Likewise.
7181 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7183         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
7185 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7187         * config/sh/sh.c (register_sh_passes, sh_option_override,
7188         sh_print_operand, prepare_move_operands,
7189         sh_can_follow_jump): Remove TARGET_SH1 checks.
7190         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
7191         PROMOTE_MODE): Likewise.
7192         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
7193         movdi): Likewise.
7195 2016-04-30  Alan Modra  <amodra@gmail.com>
7197         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
7198         restoring when fixed_reg_p, but allow out-of-line or stmw save.
7199         Check for user regs later to avoid unnecessary looping over regs.
7200         Merge user reg check with non-saved reg check.  Don't force
7201         inline VR restore when static chain used.
7202         (rs6000_frame_related): Omit eh_frame info for user regs when
7203         saving.
7204         (fixed_regs_p): Delete.
7206 2016-04-30  Alan Modra  <amodra@gmail.com>
7208         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
7209         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
7210         Update all uses.
7212 2016-04-30  Alan Modra  <amodra@gmail.com>
7214         PR target/69645
7215         * config/rs6000/rs6000.c (fixed_reg_p): New function.
7216         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
7217         Update all uses.
7219 2016-04-30  Alan Modra  <amodra@gmail.com>
7221         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
7222         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
7223         flag_pic test for Darwin.
7225 2016-04-30  Alan Modra  <amodra@gmail.com>
7227         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
7228         throw_calls_crossed.
7229         (REG_FREQ_CALLS_CROSSED): Delete.
7230         (REG_N_THROWING_CALLS_CROSSED): Delete.
7231         * regstat.c (regstat_bb_compute_ri): Don't calculate
7232         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
7233         (dump_reg_info): Don't print call cross frequency.
7234         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
7235         and REG_N_THROWING_CALLS_CROSSED.
7237 2016-04-30  Alan Modra  <amodra@gmail.com>
7239         * regs.h (struct reg_info_t): Delete live_length.
7240         (REG_LIVE_LENGTH): Delete macro.
7241         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
7242         local_live, local_processed and local_live_last_luid params.
7243         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
7244         Formatting fixes.
7245         (regstat_compute_ri): Adjust for above.  Don't set
7246         REG_LIVE_LENGTH.
7247         (dump_reg_info): Don't print live length.
7248         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
7249         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
7250         Localize loop_depth var.
7252 2016-04-30  Alan Modra  <amodra@gmail.com>
7254         * ira.c (enum valid_equiv): New.
7255         (validate_equiv_mem): Return enum.
7256         (update_equiv_mem): Create replacement in more cases.
7257         (add_store_equivs): Update validate_equiv_mem call.
7259 2016-04-30  Alan Modra  <amodra@gmail.com>
7261         * ira.c (combine_and_move_insns): Rather than scanning insns,
7262         use DF infrastucture to find use and def insns.
7264 2016-04-30  Alan Modra  <amodra@gmail.com>
7266         ira.c (combine_and_move_insns): Move invariant conditions..
7267         (ira.c): ..to here.  Call combine_and_move_insns before
7268         add_store_equivs.  Call grow_reg_equivs later.  Allocate
7269         req_equiv later using max_reg_num() rather than global max_regno.
7270         (contains_replace_regs): Delete.
7271         (add_store_equivs): Remove contains_replace_regs test.
7273 2016-04-30  Alan Modra  <amodra@gmail.com>
7275         * ira.c (struct equiv_mem_data): New.
7276         (equiv_mem, equiv_mem_modified): Delete static vars.
7277         (validate_equiv_mem_from_store): Use "data" param to communicate..
7278         (validate_equiv_mem): ..from here.
7280 2016-04-30  Alan Modra  <amodra@gmail.com>
7282         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
7283         split out from..
7284         (update_reg_equivs): ..here.  Move allocation and freeing of
7285         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
7286         end_alias_analysis to..
7287         (ira): ..here.
7289 2016-04-30  Alan Modra  <amodra@gmail.com>
7291         * ira.c (pdx_subregs): Delete.
7292         (struct equivalence): Add pdx_subregs field.
7293         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
7294         pdx_subregs access.
7295         (update_equiv_regs): Don't create or free pdx_subregs.  Update
7296         pdx_subregs access.
7298 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7300         * config/rs6000/altivec.h: Change definitions of vec_xl and
7301         vec_xst.
7302         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
7303         (LD_ELEMREV_V2DI): New.
7304         (LD_ELEMREV_V4SF): New.
7305         (LD_ELEMREV_V4SI): New.
7306         (LD_ELEMREV_V8HI): New.
7307         (LD_ELEMREV_V16QI): New.
7308         (ST_ELEMREV_V2DF): New.
7309         (ST_ELEMREV_V2DI): New.
7310         (ST_ELEMREV_V4SF): New.
7311         (ST_ELEMREV_V4SI): New.
7312         (ST_ELEMREV_V8HI): New.
7313         (ST_ELEMREV_V16QI): New.
7314         (XL): New.
7315         (XST): New.
7316         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7317         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
7318         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
7319         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
7320         (altivec_expand_builtin): Add handling for
7321         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
7322         (rs6000_invalid_builtin): Add error-checking for
7323         RS6000_BTM_P9_VECTOR.
7324         (altivec_init_builtins): Define builtins used to implement vec_xl
7325         and vec_xst.
7326         (rs6000_builtin_mask_names): Define power9-vector.
7327         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
7328         (RS6000_BTM_P9_VECTOR): Define.
7329         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
7330         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
7331         (vsx_ld_elemrev_v2df): Likewise.
7332         (vsx_ld_elemrev_v4sf): Likewise.
7333         (vsx_ld_elemrev_v4si): Likewise.
7334         (vsx_ld_elemrev_v8hi): Likewise.
7335         (vsx_ld_elemrev_v16qi): Likewise.
7336         (vsx_st_elemrev_v2df): Likewise.
7337         (vsx_st_elemrev_v2di): Likewise.
7338         (vsx_st_elemrev_v4sf): Likewise.
7339         (vsx_st_elemrev_v4si): Likewise.
7340         (vsx_st_elemrev_v8hi): Likewise.
7341         (vsx_st_elemrev_v16qi): Likewise.
7342         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
7343         grammar.
7345 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
7347         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
7348         out into ...
7349         (simplify_control_stmt_condition_1): ... here.  Recurse into
7350         BIT_AND_EXPRs and BIT_IOR_EXPRs.
7352 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
7354         PR target/69810
7355         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
7356         (zero_extendqi<mode>2_dot): Revert earlier conversion from
7357         define_insn_and_split to define_insn.
7358         (zero_extendqi<mode>2_dot2): Same.
7359         (extendqi<mode>2_dot): Same.
7360         (extendqi<mode>2_dot2): Same.
7362 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7364         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7365         (probe_stack): New expander.
7366         (probe_stack_<mode>): New insn pattern.
7368 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7370         * config/i386/i386.md
7371         (operations with memory inputs setting flags peephole2):
7372         Remove uneeded REG_P checks.  Cleanup pattern generation.
7374 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
7376         * tree-vect-loop.c (vect_transform_loop): Fix
7377         nb_iterations_upper_bound computation for vectorized loop.
7379 2016-04-29  Marek Polacek  <polacek@redhat.com>
7380             Jakub Jelinek  <jakub@redhat.com>
7382         PR sanitizer/70342
7383         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
7384         TARGET_EXPR_SLOT as a base.
7386 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
7388         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
7389         with 'rCm2' constraints to limit possible immediate size.
7390         (*load_zeroextendqisi_update): Likewise.
7391         (*load_signextendqisi_update): Likewise.
7392         (*loadhi_update): Likewise.
7393         (*load_zeroextendhisi_update): Likewise.
7394         (*load_signextendhisi_update): Likewise.
7395         (*loadsi_update): Likewise.
7396         (*loadsf_update): Likewise.
7398 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7400         * config/i386/predicates.md (constm1_operand): Fix comparison.
7402 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7404         * testsuite/gcc.target/arc/ieee_eq.c: New test.
7406 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
7408         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
7409         remaining SH5 related settings.
7410         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
7411         shmedia_prepare_call_address): Delete.
7412         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
7413         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
7414         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
7415         UNSUPPORTED_SH2A): Remove m5 checks.
7416         (sh_divide_strategy_e): Remove SH5 division strategies.
7417         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
7418         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
7420 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7422         * config/s390/s390.c (s390_rtx_costs): Update documentation.
7424 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7426         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
7427         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
7428         Change lder to ldr.
7429         * config/s390/vector.md ("mov<mode>"): Likewise.
7431 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
7433         * config/s390/constraints.md ("U", "W"): Invoke
7434         s390_mem_constraint with "ZR" and "ZT".
7435         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
7436         addresses when using LRA.  Accept also short displacements for S
7437         and T constraints.  Do not check for long displacement target for
7438         S and T constraints.
7439         (s390_mem_constraint): Remove handling of U and W constraints.
7440         * config/s390/s390.md (various patterns): Remove the short
7441         displacement constraints (Q and R) if a long displacement
7442         constraint is present.  Add longdisp as required CPU capability.
7443         * config/s390/vector.md: Likewise.
7444         * config/s390/vx-builtins.md: Likewise.
7446 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7448         PR target/60040
7449         * reload1.c (reload): Call finish_spills before
7450         restarting reload loop. Skip select_reload_regs
7451         if update_eliminables_and_spill returns true.
7453 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7455         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7456         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7457         (umulhisi3_imm): Update predicates and constraint letters.
7458         (umulhisi3_reg): Declare instruction as commutative.
7459         * config/arc/constraints.md (J12, J16): New constraints.
7460         * config/arc/predicates.md (short_unsigned_const_operand): New
7461         predicate.
7462         (arc_short_operand): Likewise.
7463         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7465 2016-04-29  Richard Biener  <rguenther@suse.de>
7467         PR tree-optimization/13962
7468         PR tree-optimization/65686
7469         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7470         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7471         using PTA to compare pointers.
7472         * match.pd: Add pattern for pointer equality compare simplification
7473         using ptrs_compare_unequal.
7475 2016-04-29  Richard Biener  <rguenther@suse.de>
7477         * stor-layout.c (layout_type): Do not build a pointer-to-element
7478         type for arrays.
7480 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7482         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7483         Use SWI mode iterator.  Use general_reg_operand predicate.
7484         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7485         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7486         predicates.
7488 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7490         PR middle-end/70843
7491         * fold-const.c (operand_equal_p): Don't verify hash value equality
7492         if arg0 == arg1.
7493         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7494         and OMP_CLAUSE.
7496 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7498         PR target/70858
7499         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7500         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7501         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7502         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7503         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7505 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7507         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7508         to info.  Don't initialize separate fields to 0.  Clean up
7509         formatting a bit.
7511 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7513         * config/i386/i386.md (peephole2s for operations with memory inputs):
7514         Use SWI mode iterator.
7515         (peephole2s for operations with memory outputs): Ditto.
7516         Do not check for stack checking probe.
7518         (probe_stack): Remove expander.
7520 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7521             Andrew Burgess  <andrew.burgess@embecosm.com>
7523         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7524         operands as 32-bits.
7526 2016-04-28  Jason Merrill  <jason@redhat.com>
7528         * gdbinit.in: Skip line-map.h.
7530 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7531             Andrew Burgess  <andrew.burgess@embecosm.com>
7533         * config/arc/arc.c (arc_conditional_register_usage): Take
7534         TARGET_RRQ_CLASS into account.
7535         (arc_print_operand): Support printing 'p' and 's' operands.
7536         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7537         as 0.
7538         (TARGET_RRQ_CLASS): Define.
7539         (IS_POWEROF2_OR_0_P): Define.
7540         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7541         alternatives.
7542         (*tst_movb): New define_insn.
7543         (*tst): Avoid recognition if it could prevent '*tst_movb'
7544         combination; replace c/CnL with c/Chs alternative.
7545         (*tst_bitfield_tst): New define_insn.
7546         (*tst_bitfield_asr): New define_insn.
7547         (*tst_bitfield): New define_insn.
7548         (andsi3_i): Add Rrq variant.
7549         (extzv): New define_expand.
7550         (insv): New define_expand.
7551         (*insv_i): New define_insn.
7552         (*movb): New define_insn.
7553         (*movb_signed): New define_insn.
7554         (*movb_high): New define_insn.
7555         (*movb_high_signed): New define_insn.
7556         (*movb_high_signed + 1): New define_split pattern.
7557         (*mrgb): New define_insn.
7558         (*mrgb + 1): New define_peephole2 pattern.
7559         (*mrgb + 2): New define_peephole2 pattern.
7560         * config/arc/arc.opt (mbitops): New option for nps400, uses
7561         TARGET_NPS_BITOPS_DEFAULT.
7562         * config/arc/constraints.md (q): Make register class conditional.
7563         (Rrq): New register constraint.
7564         (Chs): New constraint.
7565         (Clo): New constraint.
7566         (Chi): New constraint.
7567         (Cbf): New constraint.
7568         (Cbn): New constraint.
7569         (C18): New constraint.
7570         (Cbi): New constraint.
7572 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7574         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7575         dst->popcount.
7576         (bitmap_intersection_of_preds): Ditto.
7577         (bitmap_union_of_succs): Ditto.
7578         (bitmap_union_of_preds): Ditto.
7579         * sbitmap.c (do_popcount): Delete.
7580         (BITMAP_DEBUGGING): Delete.
7581         (sbitmap_verify_popcount): Delete.
7582         (sbitmap_alloc): Don't initialize the popcount field.
7583         (sbitmap_alloc_with_popcount): Delete.
7584         (sbitmap_resize): Don't resize the popcount array.
7585         (sbitmap_vector_alloc): Don't initialize the popcount field.
7586         (bitmap_copy): Don't copy the popcount array.
7587         (bitmap_clear): Don't clear the popcount array.
7588         (bitmap_clear): Delete the popcount array handling.
7589         (bitmap_ior_and_compl): Delete the popcount assert.
7590         (bitmap_not): Ditto.
7591         (bitmap_and_compl): Ditto.
7592         (bitmap_and): Delete the popcount array handling.
7593         (bitmap_xor): Ditto.
7594         (bitmap_ior): Ditto.
7595         (bitmap_or_and): Delete the popcount assert.
7596         (bitmap_and_or): Ditto.
7597         (popcount_table): Delete.
7598         (sbitmap_elt_popcount): Delete.
7599         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7600         (bitmap_set_bit): Delete the popcount assert.
7601         (bitmap_clear_bit): Ditto.
7602         (sbitmap_free): Don't free the popcount array.
7603         (sbitmap_alloc_with_popcount): Delete declaration.
7604         (sbitmap_popcount): Ditto.
7606 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7607             Andrew Burgess  <andrew.burgess@embecosm.com>
7609         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7610         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7611         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7612         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7613         * config/arc/arc.opt (mcmem): New option.
7614         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7615         supply length for r/m alternative.
7616         (*extendqisi2_ac): Likewise.
7617         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7618         r/Uex alternative.
7619         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7620         (movhi_insn): Likewise.
7621         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7622         (*zero_extendqihi2_i): Add r/Ucm alternative.
7623         (*zero_extendqisi2_ac): Likewise.
7624         (*zero_extendhisi2_i): Likewise.
7625         * config/arc/constraints.md (Uex): New memory constraint.
7626         (Ucm): New define_constraint.
7627         * config/arc/predicates.md (long_immediate_loadstore_operand):
7628         Return 0 for MEM with cmem_address address.
7629         (cmem_address_0): New predicates.
7630         (cmem_address_1): Likewise.
7631         (cmem_address_2): Likewise.
7632         (cmem_address): Likewise.
7634 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7636         * config/rs6000/rs6000.c (machine_function): Rename
7637         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7638         (rs6000_stack_info): Adjust.
7640 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7641             Andrew Burgess  <andrew.burgess@embecosm.com>
7643         * config/arc/constraints.md (Usd): Convert to define_constraint.
7644         (Us<): Likewise.
7645         (Us>): Likewise.
7647 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7649         PR target/70821
7650         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7651         Add new peephole2 where the first insn is *mov<mode>_or instead of
7652         *mov<mode>_internal.
7654 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7656         * tracer.c (bb_seen): Make static.
7658 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7660         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7661         support, setup defaults.
7662         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7663         * config/arc/arc.c (arc_init): Add NPS400 support.
7664         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7665         (TARGET_ARC700): NPS400 is also an ARC700.
7666         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7668 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7670         PR target/70668
7671         * config/nds32/nds32.md (casesi): Don't access the operands array
7672         out of bounds.
7674 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7676         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7677         (or $-1,reg peephole2): Ditto.
7678         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7680 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7682         * doc/extend.texi (Common Function Attributes) [optimize]:
7683         Discourage use of the optimize attribute.
7685 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7687         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7688         special case builtin.
7689         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7690         ALTIVEC_BUILTIN_VEC_ADDE.
7691         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7692         support for ALTIVEC_BUILTIN_VEC_ADDE.
7693         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7694         for __builtin_vec_adde.
7696 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7698         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7699         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7701 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7703         PR testsuite/70595
7704         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7705         attributes): Document cilkplus_runtime.
7707 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7709         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7710         this function.  Call verify_expr on MEM_REFs and bases of other
7711         handled_components.
7713 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7715         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7716         for WORD_REGISTER_OPERATIONS to runtime check.
7718 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7720         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7722 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7724         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7725         big-endian compilation.
7726         * config/arc/arc.md (addf3): Likewise.
7727         (subdf3): Likewise.
7728         (muldf3): Likewise.
7730 2016-04-28  Richard Biener  <rguenther@suse.de>
7732         PR tree-optimization/70840
7733         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7734         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7735         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7736         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7738 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7740         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7741         and explain why in a comment.
7743 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7745         * config/arc/arc.md (cpu_facility): Add fpx variant.
7746         (subdf3): Prohibit use reverse sub when assist operations option
7747         is enabled.
7748         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7749         instructions only when FPX is enabled.
7750         * testsuite/gcc.target/arc/trsub.c: New test.
7752 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7754         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7755         mult_operator when calculating "type" attribute.
7756         (*fop_<mode>_1_i387): Ditto.
7757         (*fop_xf_1_i387): Ditto.
7758         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7759         Use std::swap to swap operands.  Use RTL expressions to generate
7760         converted pattern.
7762 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7763             Joern Rennecke  <joern.rennecke@embecosm.com>
7765         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7766         declaration.
7767         (emit_pic_move): Remove.
7768         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7769         * config/arc/arc.c (emit_pic_move): Removed.
7770         (TARGET_HAVE_TLS): Define.
7771         (arc_conditional_register_usage): Test for arc_tp_regno.
7772         (arc_print_operand, arc_print_operand_address): Handle TLS
7773         unspecs.
7774         (arc_needs_pcl_p): New function.
7775         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7776         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7777         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7778         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7779         (arc_legitimize_tls_address): Likewise.
7780         (DTPOFF_ZERO_SYM): Define.
7781         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7782         (arc_output_pic_addr_const): Print TLS unspecs.
7783         (prepare_pic_move): New function, replaces emit_pic_move.
7784         (arc_legitimate_constant_p): Handle TLS unspecs.
7785         (arc_legitimate_address_p): Likewise.
7786         (arc_rewrite_small_data_p): Use assert for TLS constants.
7787         (prepare_move_operands): Use prepare_pic_move.
7788         (arc_legitimize_address): Legitimize tls addresses.
7789         (arc_epilogue_uses): Check for arc_tp_regno.
7790         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7791         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7792         Define.
7793         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7794         Likewise.
7795         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7796         %(arc_tls_extra_start_spec).
7797         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7798         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7799         (EH_USES): Define.
7800         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7801         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7802         (UNSPEC_TLS_OFF): Add.
7803         (R10_REG): Define.
7804         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7805         (get_thread_pointersi): New patterns.
7806         * config/arc/arc.opt (mtp-regno): New option.
7807         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7808         (move_dest_operand): Likewise.
7809         * configure: Regenerate.
7810         * configure.ac: Add arc*-*-* case to test for tls.
7811         * doc/invoke.texi (ARC options): Document mtp-regno.
7813 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7815         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7816         the new ARC HS SIMD instructions.
7817         (arc_preferred_simd_mode): New function.
7818         (arc_autovectorize_vector_sizes): Likewise.
7819         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7820         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7821         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7822         (arc_init_builtins): Add new SIMD builtin types.
7823         (arc_split_move): Handle 64 bit vector moves.
7824         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7825         (TARGET_PLUS_QMACW): Define.
7826         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7827         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7828         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7829         (VSUBADD4H): New builtins.
7830         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7831         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7833 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7834             Matthias Klose  <doko@debian.org>
7836         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7838 2016-04-28  Richard Biener  <rguenther@suse.de>
7840         PR middle-end/70777
7841         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7842         canonicalization.
7844 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7846         * common/config/sh/sh-common.c: Remove SH5 support.
7847         * config/sh/constraints.md: Likewise.
7848         * config/sh/config/sh/elf.h: Likewise.
7849         * config/sh/linux.h: Likewise.
7850         * config/sh/netbsd-elf.h: Likewise.
7851         * config/sh/predicates.md: Likewise.
7852         * config/sh/sh-c.c: Likewise.
7853         * config/sh/sh-protos.h: Likewise.
7854         * config/sh/sh.c: Likewise.
7855         * config/sh/sh.h: Likewise.
7856         * config/sh/sh.md: Likewise.
7857         * config/sh/sh.opt: Likewise.
7858         * config/sh/sync.md: Likewise.
7859         * config/sh/sh64.h: Delete.
7860         * config/sh/shmedia.h: Likewise.
7861         * config/sh/shmedia.md: Likewise.
7862         * config/sh/sshmedia.h: Likewise.
7863         * config/sh/t-netbsd-sh5-64: Likewise.
7864         * config/sh/t-sh64: Likewise.
7865         * config/sh/ushmedia.h: Likewise.
7867 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7869         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7870         general_reg_operand instead of register_operand predicate.
7872 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7874         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7876 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7878         * match.pd (A - B > A, A + B < A): New transformations.
7880 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7882         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7883         which defaults to true.  Emit an outer pair of parentheses only if
7884         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7885         don't emit parentheses for the right-hand operand.
7887 2016-04-27  Jeff Law  <law@redhat.com>
7889         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7891 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7893         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7894         (altivec_lvx_<mode>_internal): Document.
7895         (altivec_lvx_<mode>_2op): New define_insn.
7896         (altivec_lvx_<mode>_1op): Likewise.
7897         (altivec_lvx_<mode>_2op_si): Likewise.
7898         (altivec_lvx_<mode>_1op_si): Likewise.
7899         (altivec_stvx_<mode>): Remove.
7900         (altivec_stvx_<mode>_internal): Document.
7901         (altivec_stvx_<mode>_2op): New define_insn.
7902         (altivec_stvx_<mode>_1op): Likewise.
7903         (altivec_stvx_<mode>_2op_si): Likewise.
7904         (altivec_stvx_<mode>_1op_si): Likewise.
7905         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7906         Expand vec_ld and vec_st during parsing.
7907         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7908         changes.
7909         (altivec_expand_stvx_be): Likewise.
7910         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7911         address-masking behavior in RTL.
7912         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7913         address-masking behavior in RTL.
7914         (altivec_expand_builtin): Change builtin code arguments for calls
7915         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7916         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7917         presence of lvx/stvx patterns.
7918         (alignment_with_canonical_addr): New function.
7919         (alignment_mask): Likewise.
7920         (find_alignment_op): Likewise.
7921         (recombine_lvx_pattern): Likewise.
7922         (recombine_stvx_pattern): Likewise.
7923         (recombine_lvx_stvx_patterns): Likewise.
7924         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7925         stvx patterns from expand.
7926         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7927         expansions.
7928         (vector_altivec_store_<mode>): Likewise.
7930 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7932         * config/aarch64/aarch64.md
7933         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7934         remove the "fp" attributes.
7935         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7936         add the "simd" attributes.
7937         (*movdf_aarch64): Likewise.
7938         (*movtf_aarch64): Remove the "fp" attributes.
7939         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7940         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7942 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7944         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7945         rtx to rtx_code_label *.
7946         * rtl.h (maybe_set_first_label_num): Likewise.
7948 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7950         * df-core.c (df_add_problem): Make the problem param be const.
7951         (df_remove_problem): Make local "problem" be const.
7952         * df-problems.c (problem_RD): Make const.
7953         (problem_LR): Likewise.
7954         (problem_LIVE): Likewise.
7955         (problem_MIR): Likewise.
7956         (problem_CHAIN): Likewise.
7957         (problem_WORD_LR): Likewise.
7958         (problem_NOTE): Likewise.
7959         (problem_MD): Likewise.
7960         * df-scan.c (problem_SCAN): Likewise.
7961         * df.h (struct df_problem): Make field "dependent_problem" be
7962         const.
7963         (struct dataflow): Likewise for field "problem".
7964         (df_add_problem): Make param const.
7966 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7968         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7969         inter-unit moves to/from vector registers are enabled.  Do not disable
7970         for TARGET_MMX.
7972 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7974         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7975         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7976         #define to...
7977         (enum df_problem_id): ...this new enum.
7978         (struct df_problem): Convert field "id" from "int" to
7979         enum df_problem_id.
7981 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7983         * rtl.def: Update comment for "things in the instruction chain" to
7984         reflect the removal of the leading "i" field for INSN_UID in
7985         r210360.  Fix bogus apostrophe.
7987 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7989         * config/i386/i386.md
7990         (lea arith with mem operand + setcc peephole2): Set operator mode.
7992 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7994         PR target/70155
7995         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7996         (dimode_scalar_to_vector_candidate_p): This.
7997         (timode_scalar_to_vector_candidate_p): New function.
7998         (scalar_to_vector_candidate_p): Likewise.
7999         (timode_check_non_convertible_regs): Likewise.
8000         (timode_remove_non_convertible_regs): Likewise.
8001         (remove_non_convertible_regs): Likewise.
8002         (remove_non_convertible_regs): Renamed to ...
8003         (dimode_remove_non_convertible_regs): This.
8004         (scalar_chain::~scalar_chain): Make it virtual.
8005         (scalar_chain::compute_convert_gain): Make it pure virtual.
8006         (scalar_chain::mark_dual_mode_def): Likewise.
8007         (scalar_chain::convert_insn): Likewise.
8008         (scalar_chain::convert_registers): Likewise.
8009         (scalar_chain::add_to_queue): Make it protected.
8010         (scalar_chain::emit_conversion_insns): Likewise.
8011         (scalar_chain::replace_with_subreg): Likewise.
8012         (scalar_chain::replace_with_subreg_in_insn): Likewise.
8013         (scalar_chain::convert_op): Likewise.
8014         (scalar_chain::convert_reg): Likewise.
8015         (scalar_chain::make_vector_copies): Likewise.
8016         (scalar_chain::convert_registers): New pure virtual function.
8017         (class dimode_scalar_chain): New class.
8018         (class timode_scalar_chain): Likewise.
8019         (scalar_chain::mark_dual_mode_def): Renamed to ...
8020         (dimode_scalar_chain::mark_dual_mode_def): This.
8021         (timode_scalar_chain::mark_dual_mode_def): New function.
8022         (timode_scalar_chain::convert_insn): Likewise.
8023         (dimode_scalar_chain::convert_registers): Likewise.
8024         (scalar_chain::compute_convert_gain): Renamed to ...
8025         (dimode_scalar_chain::compute_convert_gain): This.
8026         (scalar_chain::replace_with_subreg): Renamed to ...
8027         (dimode_scalar_chain::replace_with_subreg): This.
8028         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
8029         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
8030         (scalar_chain::make_vector_copies): Renamed to ...
8031         (dimode_scalar_chain::make_vector_copies): This.
8032         (scalar_chain::convert_reg): Renamed to ...
8033         (dimode_scalar_chain::convert_reg ): This.
8034         (scalar_chain::convert_op): Renamed to ...
8035         (dimode_scalar_chain::convert_op): This.
8036         (scalar_chain::convert_insn): Renamed to ...
8037         (dimode_scalar_chain::convert_insn): This.
8038         (scalar_chain::convert): Call convert_registers.
8039         (convert_scalars_to_vector): Change to scalar_chain pointer to
8040         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
8041         in 32-bit mode.  Delete scalar_chain pointer.  Call
8042         free_dominance_info in 64-bit mode.
8043         (pass_stv::gate): Remove TARGET_64BIT check.
8044         (ix86_option_override): Put the 64-bit STV pass before the CSE
8045         pass.
8047 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
8049         * dwarf2out.h (struct dw_loc_descr_node): Remove the
8050         dw_loc_frame_offset field.
8051         * dwarf2out.c (new_loc_descr): Likewise.
8052         (resolve_args_picking_1): Turn the VISITED hash set into a
8053         FRAME_OFFSET hash map. Use it to associate a frame offset to
8054         visited nodes. Remove uses of the CHECKING_P macro.
8055         (resolve_args_picking): Update call to resolve_args_picking_1.
8057 2016-04-27  Martin Liska  <mliska@suse.cz>
8059         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
8060         (free_loop_data): Release vuses of groups.
8062 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
8064         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
8065         instead of redundant use_id and boolean have_use_for.
8066         (struct iv_use): Change sub_id into group_id.  Remove field next.
8067         Move fields: related_cands, n_map_members, cost_map and selected
8068         to ...
8069         (struct iv_group): ... here.  New structure.
8070         (struct iv_common_cand): Use structure declaration directly.
8071         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
8072         (MAX_CONSIDERED_USES): Rename macro to ...
8073         (MAX_CONSIDERED_GROUPS): ... here.
8074         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
8075         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
8076         (dump_uses): Rename to ...
8077         (dump_groups): ... here.  Update all uses.
8078         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
8079         (find_induction_variables): Refactor format of dump information.
8080         (record_sub_use): Delete.
8081         (record_use): Update all uses.
8082         (record_group): New function.
8083         (record_group_use, find_interesting_uses_op): Call above functions.
8084         Update all uses.
8085         (find_interesting_uses_cond): Ditto.
8086         (group_compare_offset): New function.
8087         (split_all_small_groups): Rename to ...
8088         (split_small_address_groups_p): ... here.  Update all uses.
8089         (split_address_groups):  Update all uses.
8090         (find_interesting_uses): Refactor format of dump information.
8091         (add_candidate_1): Update all uses.  Remove redundant check on iv,
8092         base and step.
8093         (add_candidate, record_common_cand): Remove redundant assert.
8094         (add_iv_candidate_for_biv): Update use.
8095         (add_iv_candidate_derived_from_uses): Update all uses.
8096         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
8097         (alloc_use_cost_map): Ditto.
8098         (set_use_iv_cost, get_use_iv_cost): Rename to ...
8099         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
8100         (determine_use_iv_cost_generic): Ditto.
8101         (determine_group_iv_cost_generic): Ditto.
8102         (determine_use_iv_cost_address): Ditto.
8103         (determine_group_iv_cost_address): Ditto.
8104         (determine_use_iv_cost_condition): Ditto.
8105         (determine_group_iv_cost_cond): Ditto.
8106         (determine_use_iv_cost): Ditto.
8107         (determine_group_iv_cost): Ditto.
8108         (set_autoinc_for_original_candidates): Update all uses.
8109         (find_iv_candidates): Update all uses.  Refactor dump information.
8110         (determine_use_iv_costs): Ditto.
8111         (determine_iv_costs): Ditto.
8112         (iv_ca_cand_for_use): Rename to ...
8113         (iv_ca_cand_for_group): ... here.  Update all uses.
8114         (iv_ca_add_use, iv_ca_add_group): Ditto.
8115         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
8116         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
8117         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
8118         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
8119         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
8120         (create_new_iv, adjust_iv_update_pos): Ditto.
8121         (rewrite_use_address): Delete.
8122         (rewrite_use_address_1): Rename to ...
8123         (rewrite_use_address): ... here.
8124         (rewrite_use_compare): Update all uses.
8125         (rewrite_use): Delete.
8126         (rewrite_uses): Rename to ...
8127         (rewrite_groups): ... here.  Update all uses.
8128         (remove_unused_ivs, free_loop_data): Update all uses.
8129         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
8131 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8133         * rtlanal.c (nonzero_bits1): Convert preprocessor check
8134         for WORD_REGISTER_OPERATIONS to runtime check.
8136 2016-04-27  Richard Biener  <rguenther@suse.de>
8138         PR ipa/70760
8139         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
8140         aggregate_value_p to determine if a function result is
8141         returned by reference.
8142         (ipa_pta_execute): Functions having their address taken are
8143         not automatically nonlocal.
8145 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8147         PR sanitizer/70683
8148         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
8149         * fold-const.c (operand_equal_p): If flag_checking and
8150         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
8151         and if it returns non-zero, assert iterative_hash_expr on both
8152         args is the same.
8154 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8156         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
8158 2016-04-27  Nick Clifton  <nickc@redhat.com>
8160         PR middle-end/49889
8161         * varasm.c (merge_weak): Generate an error if an attempt is made
8162         to convert a non-weak static function into a weak, public function.
8164 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8166         * params.def (MAX_PARTITION_SIZE): New param.
8167         * doc/invoke.texi: Document lto-max-partition.
8169 2016-04-27  Richard Biener  <rguenther@suse.de>
8171         PR ipa/70785
8172         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
8173         function cummulating used_from_other_partition, externally_visible
8174         and force_output from aliases.
8175         (refered_from_nonlocal_var): Likewise.
8176         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
8177         node flags properly.
8179 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8181         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
8182         (-Wmemset-elt-size): New item.
8184 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
8186         PR ada/70759
8187         * stor-layout.h (internal_reference_types): Delete.
8188         * stor-layout.c (reference_types_internal): Likewise.
8189         (internal_reference_types): Likewise.
8190         (layout_type) <REFERENCE_TYPE>: Adjust.
8192 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8194         PR sanitizer/70683
8195         * tree.h (inchash::add_expr): Add FLAGS argument.
8196         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
8197         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
8198         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
8199         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
8200         if swap_tree_comparison (code) is smaller than code, hash that
8201         and arguments in the other order.  Hash CONVERT_EXPR the same
8202         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
8203         of ADDR_EXPR of decl as the decl itself.  Add or remove
8204         OEP_ADDRESS_OF from recursive flags as needed.  For
8205         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
8206         operands commutatively and only the third one normally.
8207         For internal CALL_EXPR hash in CALL_EXPR_IFN.
8209 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8211         * config/rtems.h (LIB_SPEC): Add -latomic.
8213 2016-04-27  Joel Sherrill  <joel@rtems.org>
8215         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
8216         xilink.ld and flags not relevant to RTEMS.
8218 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
8220         * toplev.c (backend_init_target): Avoid calling init_reload when using
8221         LRA.
8223 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8225         * reorg.c (try_merge_delay_insns): Declare i and j inside the
8226         for loops rather than one for the whole function.
8228 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8230         * match.pd (X + CST CMP X): New transformation.
8232 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8234         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
8235         * fold-const.c (fold_binary_loc): Remove 2 transformations
8236         superseded by match.pd.
8237         * match.pd (x+x -> x*2): Generalize to integers.
8239 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
8241         * config/i386/i386.md (operation on memory peephole): Duplicate an
8242         existing peephole and adapt it to match lea rather than an operation
8243         that clobbers CC.
8245         PR rtl-optimization/57193
8246         * opts.c (default_options_table): Add OPT_frename_registers at -O2
8247         and above.
8248         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
8250 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8252         * tree-if-conv.c (any_pred_load_store): New static variable.
8253         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
8254         any_pred_load_store instead of and_mask_load_store.
8255         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
8256         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
8257         (combine_blocks, tree_if_conversion): Ditto.
8259 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8261         PR tree-optimization/70771
8262         PR tree-optimization/70775
8263         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
8264         virtual PHI nodes.  Delete parameter.
8265         (if_convertible_loop_p_1): Delete argument to above function.
8266         (predicate_all_scalar_phis): Delete code handling single-argument
8267         PHIs.
8268         (tree_if_conversion): Mark and update virtual SSA.
8270 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8272         PR target/61821
8273         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
8274         (x86_elf_aligned_common): Rename to ...
8275         (x86_elf_aligned_decl_common): ... this.
8276         Add decl arg.  Switch to .lbss for largecomm object.  Use
8277         LARGECOMM_SECTION_ASM_OP.
8278         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
8279         renaming.
8280         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
8281         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
8282         Pass new decl arg.
8283         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8284         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
8286 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8288         PR target/59407
8289         * config/i386/i386.c (SECTION_LARGE): Define.
8290         (x86_64_elf_select_section): Set it for large data/bss sections.
8291         Only clear SECTION_WRITE for .lrodata.
8292         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
8293         data/bss sections.
8294         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
8295         * varasm.c (default_elf_asm_named_section): Grow flagchars.
8296         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
8297         SECTION_MACH_DEP.
8298         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
8299         * doc/tm.texi: Regenerate.
8301 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8303         PR bootstrap/70704
8304         * configure.ac (--enable-checking): Document extra flag, for
8305         non-release builds default to --enable-checking=yes,extra.
8306         If misc checking and extra checking, define CHECKING_P to 2 instead
8307         of 1.
8308         * common.opt (fchecking=): Add.
8309         * doc/invoke.texi (-fchecking=): Document.
8310         * doc/install.texi: Document --enable-checking changes.
8311         * configure: Regenerated.
8312         * config.in: Regenerated.
8314 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8316         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
8317         attribute instead of which_alternative.
8318         * config/i386/sse.md (*mov<mode>_internal): Ditto.
8319         Use EXT_REX_SSE_REG_P where appropriate.
8321 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8323         * config/i386/predicates.md (const0_operand): Do not match
8324         const_wide_int code.
8325         (const1_operand): Ditto.
8327 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8329         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
8330         for SSE constm1 operands and TARGET_AVX512VL.
8331         (*movti_internal): Ditto.
8332         (*mov<mode>_or): Use constm1_operand predicate.
8333         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
8334         for SSE vector_all_ones operands and TARGET_AVX512VL.
8335         * config/i386/predicates.md (constm1_operand): New predicate.
8336         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
8337         emission of constant -1 load.
8339 2016-04-25  Jason Merrill  <jason@redhat.com>
8341         * gdbinit.in: Skip is-a.h.
8343         * attribs.c (register_scoped_attributes): Fix logic.
8344         * attribs.h: Declare register_scoped_attributes.
8346 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8348         * config/rs6000/rs6000-builtin.def: Correct pasto error for
8349         stxvd2x and stxvw4x built-in functions.
8351 2016-04-25  DJ Delorie  <dj@redhat.com>
8353         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
8354         (ashrhi3): Likewise.
8355         (lshrhi3): Likewise.
8357 2016-04-25  Richard Biener  <rguenther@suse.de>
8359         PR tree-optimization/70780
8360         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
8361         wasn't visited yet.
8362         (compute_antic): Mark blocks with abnormal preds as visited as
8363         they have a final empty antic-in solution already.
8365 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8367         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8369 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8371         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8372         mode is VQI to improve mixed mode vectorization.
8373         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8374         define_insn to match low half of signed vaddw.
8375         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
8376         define_insn to match high half of signed vaddw.
8377         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
8378         define_insn to match low half of unsigned vaddw.
8379         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
8380         define_insn to match high half of unsigned vaddw.
8381         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
8382         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8383         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
8384         for new function.
8385         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8386         * config/arm/predicates.md (vect_par_constant_high): Support
8387         big endian and simplify by calling
8388         arm_simd_check_vect_par_cnst_half
8389         (vect_par_constant_low): Likewise.
8391 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8393         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
8394         predicate for operand 2.
8396 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
8397             H.J. Lu  <hongjiu.lu@intel.com>
8399         * config/i386/i386-protos.h (standard_sse_constant_p): Add
8400         machine_mode argument.
8401         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
8402         constm1_rtx operands.  For VOIDmode constants, get mode from
8403         pred_mode.  Check mode size if the mode is supported by ABI.
8404         (standard_sse_constant_opcode): Do not use standard_constant_p.
8405         Strictly check ABI support for all-ones operands.
8406         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
8407         immediates. Update calls to standard_sse_constant_p.
8408         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
8409         (ix86_rtx_costs): Ditto.
8410         * config/i386/i386.md (*movxi_internal_avx512f): Use
8411         nonimmediate_or_sse_const_operand instead of vector_move_operand.
8412         Use (v,BC) alternative instead of (v,C). Use register_operand
8413         checks instead of MEM_P.
8414         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
8415         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
8416         isa attribute.  Use register_operand checks instead of MEM_P.
8417         (*movti_internal): Use nonimmediate_or_sse_const_operand for
8418         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
8419         alternative and corresponding sse2 isa attribute.
8420         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
8421         to standard_sse_constant_p.
8422         (FP constant splitters): Ditto.
8423         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
8424         (C): Ditto.
8425         * config/i386/predicates.md (constm1_operand): Remove.
8426         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
8427         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
8428         vector_all_ones_operand instead of constm1_operand.
8430 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8432         * print-rtl.c (print_rtx_insn_vec): New function.
8433         * print-rtl.h: New prototype.
8434         * store-motion.c (struct st_expr): Make avail_stores a vector.
8435         (st_expr_entry): Adjust.
8436         (free_st_expr_entry): Likewise.
8437         (print_store_motion_mems): Likewise.
8438         (find_moveable_store): Likewise.
8439         (compute_store_table): Likewise.
8440         (delete_store): Likewise.
8441         (build_store_vectors): Likewise.
8443 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8445         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
8447 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8449         * vec.h (vec_safe_contains): New function.
8450         (vec::contains): Likewise.
8451         (vec::begin): Likewise.
8452         (vec::end): Likewise.
8454 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
8456         PR sanitizer/70712
8457         * cfgexpand.c (expand_stack_vars): Fix typo.
8459 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8461         * system.h (list, map, set, vector): Include conditionally.
8462         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8463         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8464         * ipa-icf.c (INCLUDE_LIST): Define.
8465         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8466         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8467         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8468         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8469         * cp/logic.cc (INCLUDE_LIST): Define.
8470         * fortran/trans-common.c (INCLUDE_MAP): Define.
8472 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8474         * auto-profile.c: Remove <string.h> include.
8475         * ipa-icf-gimple.c: Remove <list> include.
8476         * diagnostic.c: Remove <new> include.
8477         * genmatch.c: Likewise.
8478         * pretty-print.c: Likewise.
8479         * toplev.c: Likewise
8480         * c/c-objc-common.c: Likewise.
8481         * cp/error.c: Likewise.
8482         * fortran/error.c: Likewise.
8484 2016-04-22  Richard Biener  <rguenther@suse.de>
8486         * lto-streamer-in.c (input_ssa_names): Do not allocate
8487         GIMPLE_NOP for all SSA names.
8488         * lto-streamer-out.c (output_ssa_names): Do not output
8489         SSA names that should have been released.
8491 2016-04-22  Richard Biener  <rguenther@suse.de>
8493         PR tree-optimization/70740
8494         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8495         VDEF.
8497 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8499         PR target/70750
8500         * config/i386/predicates.md (call_insn_operand): Replace
8501         sibcall_memory_operand with memory_operand.
8503 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8505         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8506         has_single_use() tests.
8507         (register_edge_assert_for_1): Likewise.
8508         (find_assert_locations_1): Check the liveness bitmap instead of
8509         checking has_single_use().
8511 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8513         PR target/70728
8514         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8515         Extract AVX-512BW constraint from AVX.
8517 2016-04-21  Richard Biener  <rguenther@suse.de>
8519         PR tree-optimization/70725
8520         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8521         for phi_convertible_by_degenerating_args.
8522         (predicate_all_scalar_phis): Handle single-argument PHIs.
8524 2016-04-21  Richard Biener  <rguenther@suse.de>
8526         PR middle-end/70747
8527         * fold-const.c (fold_comparison): Return properly typed
8528         constant boolean.
8530 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8532         PR tree-optimization/70715
8533         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8534         after expanding BASE using expand_simple_operations.
8536 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8538         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8539         New transformations.
8541 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8543         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8545 2016-04-20  Jan Hubicka  <jh@suse.cz>
8547         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8548         ultiimate_alias_target.
8549         (update_callee_keys): Likewise.
8550         (lookup_recursive_calls): Likewise.
8551         (speculation_useful_p): Likewise.
8553 2016-04-20  Jan Hubicka  <jh@suse.cz>
8555         PR ipa/70018
8556         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8557         (set_nothrow_flag_1): ... this; handle interposition correctly;
8558         recurse on aliases and thunks.
8559         (cgraph_node::set_nothrow_flag): New.
8560         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8561         functions compiled with non-call exceptions that binds to current
8562         def.
8563         (propagate_nothrow): Be safe WRT interposition.
8564         * cgraph.h (set_nothrow_flag): Update prototype.
8566 2016-04-18  Jan Hubicka  <jh@suse.cz>
8568         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8569         max_loop_iterations_int.
8570         (tree_unswitch_outer_loop): Likewise.
8572 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8574         PR tree-optimization/69489
8575         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8576         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8577         Revise dump message.
8578         (if_convertible_bb_p): Remove check on edge count of basic block's
8579         predecessors.
8581 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8583         PR tree-optimization/56625
8584         PR tree-optimization/69489
8585         * tree-data-ref.h (DR_INNERMOST): New macro.
8586         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8587         hashing struct innermost_loop_behavior.
8588         (ref_DR_map): Remove.
8589         (innermost_DR_map): New map.
8590         (baseref_DR_map): Revise comment.
8591         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8592         to innermost_DR_map accroding to its innermost loop behavior.
8593         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8594         to its innermost loop behavior.
8595         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8596         Add initialization for innermost_DR_map.  Record memory reference
8597         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8598         have innermost loop behavior.
8599         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8600         innermost_DR_map.
8602 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8604         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8605         *lea_general_1.  Use explicit SWI12 mode interator.
8606         (*lea<mode>_general_2): Rename from *lea_general_2.
8607         Use explicit SWI12 mode interator.
8608         (*lea<mode>_general_3): Rename from *lea_general_3.
8609         Use explicit SWI12 mode interator.
8610         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8611         Use explicit SWI12 mode interator.
8612         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8613         Use explicit SWI48 mode interator.
8615 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8617         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8618         Short-cut unaligned load and store cases.  Handle all integer
8619         vector modes.
8620         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8621         and store cases.  Call ix86_avx256_split_vector_move_misalign
8622         directly without checking mode class.
8624 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8625             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8627         PR target/64971
8628         * config/aarch64/aarch64.md (sibcall): Force call
8629         address to be DImode for ILP32.
8630         (sibcall_value): Likewise.
8632 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8634         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8636 2016-04-20  Richard Biener  <rguenther@suse.de>
8638         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8639         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8640         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8641         (maybe_push_res_to_seq): Adjust.
8642         * gimple-fold.c (maybe_build_generic_op): Likewise.
8644 2016-04-20  Marek Polacek  <polacek@redhat.com>
8646         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8647         rather than true.
8649 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8651         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8652         use kmovw to support AVX512F target.
8654 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8656         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8658 2016-04-20  Marek Polacek  <polacek@redhat.com>
8660         PR tree-optimization/70725
8661         * tree-if-conv.c (is_false_predicate): New function.
8662         (predicate_mem_writes): Use it.
8664 2016-04-20  Richard Biener  <rguenther@suse.de>
8666         PR tree-optimization/70726
8667         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8668         shift amounts from a pattern stmt operand.
8670 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8672         PR target/70674
8673         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8674         stack_restore_from_fpr pattern when restoring r15.
8675         (s390_optimize_prologue): Strip away the memory barrier in the
8676         parallel when trying to get rid of restore insns.
8677         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8678         definition for loading the stack pointer from an FPR.  Compared to
8679         the normal move insn this pattern includes a full memory barrier.
8681 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8683         PR middle-end/70680
8684         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8685         implicitly linear or lastprivate iterator on the outer context.
8687 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8689         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8690         alignment check.
8691         * config/i386/i386.md (ssememalign): Removed.
8692         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8694 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8696         PR target/69201
8697         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8698         const short * to __builtin_ia32_loaddquhi512_mask.
8699         (_mm512_maskz_loadu_epi16): Likewise.
8700         (_mm512_mask_storeu_epi16): Pass short * to
8701         __builtin_ia32_storedquhi512_mask.
8702         (_mm512_mask_loadu_epi8): Pass const char * to
8703         __builtin_ia32_loaddquqi512_mask.
8704         (_mm512_maskz_loadu_epi8): Likewise.
8705         (_mm512_mask_storeu_epi8): Pass char * to
8706         __builtin_ia32_storedquqi512_mask.
8707         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8708         const double * to __builtin_ia32_loadupd512_mask.
8709         (_mm512_mask_loadu_pd): Likewise.
8710         (_mm512_maskz_loadu_pd): Likewise.
8711         (_mm512_storeu_pd): Pass double * to
8712         __builtin_ia32_storeupd512_mask.
8713         (_mm512_mask_storeu_pd): Likewise.
8714         (_mm512_loadu_ps): Pass const float * to
8715         __builtin_ia32_loadups512_mask.
8716         (_mm512_mask_loadu_ps): Likewise.
8717         (_mm512_maskz_loadu_ps): Likewise.
8718         (_mm512_storeu_ps): Pass float * to
8719         __builtin_ia32_storeups512_mask.
8720         (_mm512_mask_storeu_ps): Likewise.
8721         (_mm512_mask_loadu_epi64): Pass const long long * to
8722         __builtin_ia32_loaddqudi512_mask.
8723         (_mm512_maskz_loadu_epi64): Likewise.
8724         (_mm512_mask_storeu_epi64): Pass long long *
8725         to __builtin_ia32_storedqudi512_mask.
8726         (_mm512_loadu_si512): Pass const int * to
8727         __builtin_ia32_loaddqusi512_mask.
8728         (_mm512_mask_loadu_epi32): Likewise.
8729         (_mm512_maskz_loadu_epi32): Likewise.
8730         (_mm512_storeu_si512): Pass int * to
8731         __builtin_ia32_storedqusi512_mask.
8732         (_mm512_mask_storeu_epi32): Likewise.
8733         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8734         char * to __builtin_ia32_storedquqi256_mask.
8735         (_mm_mask_storeu_epi8): Likewise.
8736         (_mm256_mask_loadu_epi16): Pass const short * to
8737         __builtin_ia32_loaddquhi256_mask.
8738         (_mm256_maskz_loadu_epi16): Likewise.
8739         (_mm_mask_loadu_epi16): Pass const short * to
8740         __builtin_ia32_loaddquhi128_mask.
8741         (_mm_maskz_loadu_epi16): Likewise.
8742         (_mm256_mask_loadu_epi8): Pass const char * to
8743         __builtin_ia32_loaddquqi256_mask.
8744         (_mm256_maskz_loadu_epi8): Likewise.
8745         (_mm_mask_loadu_epi8): Pass const char * to
8746         __builtin_ia32_loaddquqi128_mask.
8747         (_mm_maskz_loadu_epi8): Likewise.
8748         (_mm256_mask_storeu_epi16): Pass short * to.
8749         __builtin_ia32_storedquhi256_mask.
8750         (_mm_mask_storeu_epi16): Pass short * to.
8751         __builtin_ia32_storedquhi128_mask.
8752         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8753         const double * to __builtin_ia32_loadupd256_mask.
8754         (_mm256_maskz_loadu_pd): Likewise.
8755         (_mm_mask_loadu_pd): Pass onst double * to
8756         __builtin_ia32_loadupd128_mask.
8757         (_mm_maskz_loadu_pd): Likewise.
8758         (_mm256_mask_storeu_pd): Pass double * to
8759         __builtin_ia32_storeupd256_mask.
8760         (_mm_mask_storeu_pd): Pass double * to
8761         __builtin_ia32_storeupd128_mask.
8762         (_mm256_mask_loadu_ps): Pass const float * to
8763         __builtin_ia32_loadups256_mask.
8764         (_mm256_maskz_loadu_ps): Likewise.
8765         (_mm_mask_loadu_ps): Pass const float * to
8766         __builtin_ia32_loadups128_mask.
8767         (_mm_maskz_loadu_ps): Likewise.
8768         (_mm256_mask_storeu_ps): Pass float * to
8769         __builtin_ia32_storeups256_mask.
8770         (_mm_mask_storeu_ps): ass float * to
8771         __builtin_ia32_storeups128_mask.
8772         (_mm256_mask_loadu_epi64): Pass const long long * to
8773         __builtin_ia32_loaddqudi256_mask.
8774         (_mm256_maskz_loadu_epi64): Likewise.
8775         (_mm_mask_loadu_epi64): Pass const long long * to
8776         __builtin_ia32_loaddqudi128_mask.
8777         (_mm_maskz_loadu_epi64): Likewise.
8778         (_mm256_mask_storeu_epi64): Pass long long * to
8779         __builtin_ia32_storedqudi256_mask.
8780         (_mm_mask_storeu_epi64): Pass long long * to
8781         __builtin_ia32_storedqudi128_mask.
8782         (_mm256_mask_loadu_epi32): Pass const int * to
8783         __builtin_ia32_loaddqusi256_mask.
8784         (_mm256_maskz_loadu_epi32): Likewise.
8785         (_mm_mask_loadu_epi32): Pass const int * to
8786         __builtin_ia32_loaddqusi128_mask.
8787         (_mm_maskz_loadu_epi32): Likewise.
8788         (_mm256_mask_storeu_epi32): Pass int * to
8789         __builtin_ia32_storedqusi256_mask.
8790         (_mm_mask_storeu_epi32): Pass int * to
8791         __builtin_ia32_storedqusi128_mask.
8792         * config/i386/i386-builtin-types.def (PCSHORT): New.
8793         (PINT64): Likewise.
8794         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8795         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8796         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8797         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8798         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8799         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8800         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8801         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8802         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8803         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8804         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8805         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8806         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8807         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8808         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8809         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8810         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8811         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8812         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8813         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8814         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8815         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8816         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8817         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8818         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8819         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8820         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8821         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8822         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8823         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8824         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8825         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8826         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8827         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8828         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8829         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8830         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8831         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8832         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8833         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8834         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8835         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8836         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8837         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8838         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8839         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8840         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8841         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8842         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8843         use UNSPEC_STOREU.
8844         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8845         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8846         load nor store.
8847         (ix86_expand_vector_move_misalign): Likewise.
8848         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8849         to scalar function prototype for unaligned load/store builtins.
8850         (ix86_expand_special_args_builtin): Updated.
8851         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8852         (UNSPEC_STOREU): Likewise.
8853         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8854         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8855         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8856         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8857         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8858         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8859         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8860         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8861         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8862         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8863         (<avx512>_storedqu<mode>_mask): Likewise.
8864         (*sse4_2_pcmpestr_unaligned): Likewise.
8865         (*sse4_2_pcmpistr_unaligned): Likewise.
8866         (*mov<mode>_internal): Renamed to ...
8867         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8868         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8869         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8870         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8872 2016-04-19  Richard Biener  <rguenther@suse.de>
8874         PR tree-optimization/70171
8875         * tree-ssa-phiprop.c: Include stor-layout.h.
8876         (phiprop_insert_phi): Handle the aggregate copy case.
8877         (propagate_with_phi): Likewise.
8879 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8881         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8882         instead of simplify_gen_subreg (... , 0).
8883         (ix86_delegitimize_address): Ditto.
8884         (ix86_split_divmod): Ditto.
8885         (ix86_split_copysign_const): Ditto.
8886         (ix86_split_copysign_var): Ditto.
8887         (ix86_expand_args_builtin): Ditto.
8888         (ix86_expand_round_builtin): Ditto.
8889         (ix86_expand_special_args_builtin): Ditto.
8890         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8891         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8892         (udivmodqi4): Ditto.
8893         (absneg splitters): Ditto.
8894         (*jcc_bt<mode>_1): Ditto.
8896 2016-04-19  Richard Biener  <rguenther@suse.de>
8898         PR tree-optimization/70724
8899         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8900         restoring out from ...
8901         (free_scc_vn): ... here.
8902         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8903         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8904         tail merging.
8905         (pass_fre::execute): Restore SSA info.
8907 2016-04-19  Richard Biener  <rguenther@suse.de>
8909         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8910         * gimple-walk.c (walk_gimple_op): Initialize it.
8911         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8912         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8913         remapping SSA names of defs.
8914         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8915         adjustment.
8917 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8919         PR middle-end/70689
8920         * lra-constraints.c (equiv_substition_p): New.
8921         (process_alt_operands): Use it.
8922         (swap_operands): Swap it.
8923         (curr_insn_transform): Update it.
8925 2016-04-18  Michael Matz  <matz@suse.de>
8927         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8928         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8929         * tree-core.h (tree_type_common.align): Use bit-field.
8930         (tree_type_common.spare): New.
8931         (tree_decl_common.off_align): Make smaller.
8932         (tree_decl_common.align): Use bit-field.
8934         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8935         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8936         (scan_sharing_clauses): Ditto.
8937         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8938         (omp_finish_file): Ditto.
8939         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8940         (layout_decl): Ditto.
8941         (relayout_decl): Ditto.
8942         (finalize_record_size): Use SET_TYPE_ALIGN.
8943         (finalize_type_size): Ditto.
8944         (finish_builtin_struct): Ditto.
8945         (layout_type): Ditto.
8946         (initialize_sizetypes): Ditto.
8947         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8948         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8949         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8950         (get_chain_field): Ditto.
8951         (get_trampoline_type): Ditto.
8952         (get_nl_goto_field): Ditto.
8953         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8954         SET_DECL_ALIGN.
8955         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8956         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8957         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8958         (build_qualified_type): Use SET_TYPE_ALIGN.
8959         (build_aligned_type, build_range_type_1): Ditto.
8960         (build_atomic_base): Ditto.
8961         (build_common_tree_nodes): Ditto.
8962         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8963         (expand_one_stack_var_at): Ditto.
8964         * coverage.c (build_var): Use SET_DECL_ALIGN.
8965         * except.c (init_eh): Ditto.
8966         * function.c (assign_parm_setup_block): Ditto.
8967         * symtab.c (increase_alignment_1): Ditto.
8968         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8969         * tree-vect-stmts.c (ensure_base_align): Ditto.
8970         * varasm.c (align_variable): Ditto.
8971         (assemble_variable): Ditto.
8972         (build_constant_desc): Ditto.
8973         (output_constant_def_contents): Ditto.
8975         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8976         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8977         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8978         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8979         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8981 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8983         PR target/70708
8984         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8985         replace %vmovsd with "%vmovq".
8986         (vec_concatv2df): Likewise.
8988 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8990         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8991         (*vec_extractv2si_0): Ditto.
8992         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8993         (zero_extended_scalar_load_operand splitters): Ditto.
8994         (vec_extract splitters): Ditto.
8995         (*vec_extractv4si_0_zext): Ditto.
8996         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8997         and lowpart_subreg.
8998         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8999         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
9000         (*sse4_1_extractps): Use lowpart_subreg.
9001         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
9003 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9005         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
9006         gld requirements.
9007         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
9008         Mention Solaris 11 packaging changes.
9009         Update gas and gld requirements.
9010         Remove reference to pre-Solaris 10 bug.
9011         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
9012         systems and bugs.
9013         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
9014         with cc.
9016 2016-04-17  Jan Hubicka  <jh@suse.cz>
9018         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
9019         max_loop_iterations_int.
9021 2016-04-18  Richard Biener  <rguenther@suse.de>
9023         PR tree-optimization/43434
9024         * tree-ssa-structalias.c (struct vls_data): New.
9025         (visit_loadstore): Handle all pointer-based accesses.
9026         (compute_dependence_clique): Compute a bitmap of restrict tags
9027         assigned bases and pass it to visit_loadstore.
9029 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
9031         PR target/70711
9032         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
9033         armv8.1-a and armv8.1-a+crc.
9035 2016-04-18  Richard Biener  <rguenther@suse.de>
9037         PR tree-optimization/70701
9038         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
9039         references after translating through a memcpy.
9041 2016-04-18  Richard Biener  <rguenther@suse.de>
9043         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
9044         (compute_antic): ... here.  For partial antic use regular
9045         postorder and scrap iteration.
9046         (compute_partial_antic_aux): Remove unused return value.
9047         (init_pre): Do not allocate postorder.
9048         (fini_pre): Do not free postorder.
9050 2016-04-18  Richard Biener  <rguenther@suse.de>
9052         PR middle-end/37870
9053         * expmed.c (extract_bit_field_1): Remove broken case
9054         using a wider MODE_INT mode.
9056 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
9058         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
9059         unless compiling with at least GCC-4.8.
9061 2016-04-17  Jan Hubicka  <jh@suse.cz>
9063         PR bootstrap/70706
9064         * graphite.c (graphite_finalize): Update call to
9065         tree_estimate_probability.
9066         * predict.h (tree_estimate_probability): Update prototype.
9068 2016-04-17  Jan Hubicka  <jh@suse.cz>
9070         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
9071         (tree_estimate_probability): Likewise.
9072         (pass_profile::execute): Update.
9073         (report_predictor_hitrates): New function.
9074         * profile.c (compute_branch_probabilities): Use it.
9075         * predict.h (report_predictor_hitrates): Declare.
9077 2016-04-17  Jan Hubicka  <jh@suse.cz>
9079         PR ipa/70018
9080         * cgraph.h (cgraph_node::set_const_flag,
9081         cgraph_node::set_pure_flag): Update prototype to return bool;
9082         update comment.
9083         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
9084         of interposable symbol are interposable, too.
9085         (cgraph_set_const_flag_1): Rename to ...
9086         (set_const_flag_1): ... this one; change to self recursive function
9087         instead of call_for_symbol_thunks_and_aliases. Handle correctly
9088         clearnig the flag in all variants and also virtual thunks of const
9089         functions are pure; track if any change was done.
9090         (cgraph_node::set_const_flag): Update.
9091         (struct set_pure_flag_info): New struct.
9092         (cgraph_set_pure_flag_1): Rename to ...
9093         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
9094         rather than pointer encoded flags; track if any changes was done;
9095         handle correctly clearning flag and setting flag of aliases already
9096         declared const.
9097         (cgraph_node::set_pure_flag): Update.
9098         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
9100 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9102         PR other/70433
9103         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
9104         backslash in label.
9106 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9108         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
9109         '{}<> ' as escape-for-record.
9111 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9113         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
9114         structure.
9116 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9118         PR other/70185
9119         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
9120         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
9121         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
9122         * passes.c (finish_optimization_passes): Only call
9123         finish_graph_dump_file if dfi->graph_dump_initialized.
9124         (execute_function_dump, pass_init_dump_file): Use
9125         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
9127 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9129         PR tree-optimization/70256
9130         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
9131         (debug_varmap): New function.
9133 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9135         PR other/70183
9136         * passes.c (pass_manager::register_pass): Propagate pflags.
9138 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9140         PR other/68875
9141         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
9142         * passes.c (pass_manager::pass_manager): Declare and init p_start in
9143         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
9144         check if it's equal to p_start.
9145         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
9147 2016-04-15  Jan Hubicka  <jh@suse.cz>
9149         PR ipa/70018
9150         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
9151         function does not bind to current def.
9152         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
9153         handle conservatively calls to functions that does not need to bind
9154         to current def.
9155         (check_call): Update call of worse_state.
9156         (ignore_edge_for_nothrow): Update.
9157         (ignore_edge_for_pure_const): Likewise.
9158         (propagate_pure_const): Update calls to worse_state.
9159         (skip_function_for_local_pure_const): Reformat comments.
9161 2016-04-15  Jan Hubicka  <jh@suse.cz>
9163         PR ipa/70018
9164         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
9165         (cgraph_node::function_symbol): Likewise.
9166         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9167         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
9168         (symtab_node::ultimate_alias_target): Add REF parameter.
9169         (symtab_node::binds_to_current_def_p): Declare.
9170         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
9171         (cgraph_node::function_symbol): Likewise.
9172         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9173         (cgraph_node::get_availability): Likewise.
9174         (cgraph_edge::binds_to_current_def_p): New inline function.
9175         (varpool_node::get_availability): Add REF parameter.
9176         (varpool_node::ultimate_alias_target): Likewise.
9177         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
9178         (symtab_node::binds_to_current_def_p): Likewise.
9179         * varpool.c (varpool_node::get_availability): Likewise.
9181 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9183         PR target/70662
9184         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
9185         Fix mode size check.
9187 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9189         * BASE-VER: Set to 7.0.0.
9191 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
9193         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
9195 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9197         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
9198         architecture revisions.
9200 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
9202         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
9203         * config/i386/i386.c (ix86_using_red_zone): No longer static.
9204         * config/i386/i386.md (stack decrement to push peepholes): Guard
9205         with !x86_using_red_zone ().
9207 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9209         PR c++/70675
9210         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
9211         to dump_generic_node.
9212         (NIY): Pass also flags to do_niy.
9214 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
9216         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
9217         (simd_clone_vector_of_formal_parm_types)
9218         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
9219         (simd_clone_mangle, simd_clone_create)
9220         (simd_clone_adjust_return_type, create_tmp_simd_array)
9221         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
9222         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
9223         (ipa_simd_modify_function_body, simd_clone_linear_addend)
9224         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
9225         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
9226         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
9227         * omp-simd-clone.c: ... this new file.
9228         (simd_clone_vector_of_formal_parm_types): Make it static.
9229         * Makefile.in (OBJS): Add omp-simd-clone.o.
9231 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9233         PR target/70662
9234         * config/i386/sse.md: Use proper memory operand modifiers.
9237 2016-04-15  Richard Biener  <rguenther@suse.de>
9238         Alan Modra  <amodra@gmail.com>
9240         PR tree-optimization/70130
9241         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
9242         when alignment stays not the same and no not use the realign
9243         scheme then.
9245 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9247         PR target/70669
9248         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
9249         direct move handlers for KFmode. Change TFmode handlers test from
9250         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
9252 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
9254         PR c++/70594
9255         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
9256         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
9257         (inlined_polymorphic_ctor_dtor_block_p): Use it.
9258         * tree-ssa-live.c (remove_unused_scope_block_p): When
9259         in_ctor_dtor_block, avoid discarding not just BLOCKs with
9260         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
9261         block_ultimate_origin is FUNCTION_DECL.
9262         (remove_unused_locals): If current_function_decl is
9263         polymorphic_ctor_dtor_p, pass initial true to
9264         remove_unused_scope_block_p' is_ctor_dtor_block.
9266 2016-04-14  Martin Sebor  <msebor@redhat.com>
9268         PR c++/69517
9269         PR c++/70019
9270         PR c++/70588
9271         * doc/extend.texi (Variable Length): Revert.
9273 2016-04-14  Marek Polacek  <polacek@redhat.com>
9274             Jan Hubicka  <hubicka@ucw.cz>
9276         PR c++/70029
9277         * tree.c (verify_type): Disable the canonical type of main variant
9278         check.
9280 2016-04-14  Jason Merrill  <jason@redhat.com>
9282         * cfgexpand.c, expr.c: Revert previous change.
9284 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
9286         PR middle-end/70643
9287         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
9288         when building a mem ref for the incoming reduction variable.
9290 2016-04-14  Richard Biener  <rguenther@suse.de>
9292         PR tree-optimization/70614
9293         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
9294         loop if the evolution dropped to chrec_dont_know.
9295         (interpret_condition_phi): Likewise.
9297 2016-04-14  Richard Biener  <rguenther@suse.de>
9299         PR tree-optimization/70623
9300         * tree-ssa-pre.c (changed_blocks): Make global ...
9301         (compute_antic): ... local here.  Move and fix worklist
9302         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
9303         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
9304         worklist handling, dump when ANTIC_IN changed.
9305         (compute_partial_antic_aux): Remove worklist handling.
9306         (init_pre): Do not compute post dominators.  Add a comment about
9307         the CFG order chosen.
9308         (fini_pre): Do not free post dominators.
9310 2016-04-13  Martin Sebor  <msebor@redhat.com>
9312         PR c++/69517
9313         PR c++/70019
9314         PR c++/70588
9315         * doc/extend.texi (Variable Length): Document C++ specifics.
9317 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9319         PR c++/70641
9320         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
9321         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
9322         eh edges have been purged.
9324         PR c++/70594
9325         * tree-sra.c (create_access_replacement,
9326         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
9327         gets fancy name.
9328         * tree-pretty-print.c (dump_fancy_name): New function.
9329         (dump_decl_name, dump_generic_node): Use it.
9331 2016-04-13  Jason Merrill  <jason@redhat.com>
9333         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
9334         * expr.c (expand_expr_real_1): Likewise.
9336 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
9338         * config/i386/i386.md (kunpckhi): Swap operands.
9339         (kunpcksi): Likewise.
9340         (kunpckdi): Likewise.
9341         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
9342         (vec_pack_trunc_<mode>): Likewise.
9344 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9346         PR debug/70628
9347         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
9349         PR middle-end/70633
9350         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
9351         gimplification turns some element into non-constant.
9353         PR debug/70628
9354         * rtl.h (convert_memory_address_addr_space_1): New prototype.
9355         * explow.c (convert_memory_address_addr_space_1): No longer static,
9356         add NO_EMIT argument and don't call convert_modes if true, pass
9357         it down recursively, remove break after return.
9358         (convert_memory_address_addr_space): Adjust caller.
9359         * simplify-rtx.c (simplify_unary_operation_1): Call
9360         convert_memory_address_addr_space_1 instead of convert_memory_address,
9361         if it returns NULL, don't simplify.
9363 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
9365         PR target/70630
9366         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9368 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9370         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9371         Bump the upper SIMDLEN limits, so that if the return type or
9372         characteristic type if the return type is void can be passed in
9373         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
9374         allowed.
9376 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9378         PR target/70640
9379         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
9380         Do not use "=" constraint on an input constraint.
9381         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
9382         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
9383         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
9384         generates (neg (abs ...)) instead of (abs ...).
9386 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9388         PR rtl-optimization/70596
9389         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
9390         just invalidate LRA data and reset them.  Adjust dump wording.
9392 2016-04-12  Martin Liska  <mliska@suse.cz>
9394         Revert
9395         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9397         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9398         estimates here.
9399         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9400         max_loop_iterations_int.
9401         (tree_unswitch_outer_loop): Likewise.
9402         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9403         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9405 2016-04-12  Tom de Vries  <tom@codesourcery.com>
9407         PR tree-optimization/68756
9408         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
9409         instead of new_name.
9411 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9413         PR tree-optimization/70602
9414         * tree-sra.c (generate_subtree_copies): Don't write anything into
9415         constant pool decls.
9417         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
9418         regardless whether there are depend clauses or not.
9420 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9422         PR target/70381
9423         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
9424         target attribute and pragma from changing the -mfloat128
9425         and -mfloat128-hardware options.
9427         * doc/extend.texi (Additional Floating Types): Document PowerPC
9428         __float128 restrictions.
9430 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9432         PR target/70133
9433         * config/aarch64/driver-aarch64.c
9434         (aarch64_get_extension_string_for_isa_flags): New.
9435         (arch_extension): Rename to...
9436         (aarch64_arch_extension): ...This.
9437         (ext_to_feat_string): Rename to...
9438         (aarch64_extensions): ...This.
9439         (aarch64_core_data): Keep track of architecture extension flags.
9440         (cpu_data): Rename to...
9441         (aarch64_cpu_data): ...This.
9442         (aarch64_arch_driver_info): Keep track of architecture extension
9443         flags.
9444         (get_arch_name_from_id): Rename to...
9445         (get_arch_from_id): ...This, change return type.
9446         (host_detect_local_cpu): Update and reformat for renames, handle
9447         extensions through common infrastructure.
9449 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9451         PR target/70133
9452         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
9453         track of a canonical flag name.
9454         (all_extensions): Likewise.
9455         (arch_to_arch_name): Also track extension flags enabled by the arch.
9456         (all_architectures): Likewise.
9457         (aarch64_parse_extension): Move to here.
9458         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9459         rework.
9460         (aarch64_rewrite_selected_cpu): Update for above change.
9461         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9462         are handled, such that the single explicit value enabled by an
9463         extension is kept seperate from the implicit values it also enables.
9464         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9465         to here.
9466         (aarch64_parse_extension): New.
9467         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9468         here to config/aarch64/aarch64-protos.h.
9469         (aarch64_parse_extension): Move from here to
9470         common/config/aarch64/aarch64-common.c.
9471         (aarch64_option_print): Update.
9472         (aarch64_declare_function_name): Likewise.
9473         (aarch64_start_file): Likewise.
9474         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9475         the canonical flag for extensions.
9476         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9477         flags.
9479 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9481         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9482         AARCH64_FL_CRC.
9484 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9486         PR tree-optimization/68953
9487         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9488         first to last subscript.
9490 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9492         PR tree-optimization/70586
9493         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9494         for any calls.
9496 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9498         PR lto/70289
9499         PR ipa/70348
9500         PR tree-optimization/70373
9501         PR middle-end/70533
9502         PR middle-end/70534
9503         PR middle-end/70535
9504         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9505         clauses for acc parallel reductions as necessary.  Error on those
9506         that are private.
9507         * omp-low.c (scan_sharing_clauses): Don't install variables which
9508         are used in acc parallel reductions.
9509         (lower_rec_input_clauses): Remove dead code.
9510         (lower_oacc_reductions): Add support for reference reductions.
9511         (lower_reduction_clauses): Remove dead code.
9512         (lower_omp_target): Don't remap variables appearing in acc parallel
9513         reductions.
9514         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9516 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9518         PR middle-end/70593
9519         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9520         with multiple SSA_NAME defs, force the outputs other than first
9521         to be live before calling live_track_process_def on each output.
9523         PR rtl-optimization/70574
9524         * fwprop.c (forward_propagate_and_simplify): Don't add
9525         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9526         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9527         paradoxical subregs within *loc.
9529 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9531         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9532         -ftree-parallelize-loops={0,1}.
9533         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9534         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9535         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9536         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9537         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9539 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9541         PR sanitizer/70541
9542         * asan.c (instrument_derefs): If we get unknown location, extract it
9543         with EXPR_LOCATION.
9544         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9546 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9548         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9549         implicit firstprivate clause.
9551 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9553         PR target/70566
9554         * config/arm/thumb2.md (tst + branch-> lsls + branch
9555         peephole below *orsi_not_shiftsi_si): Require that condition
9556         register is dead after the peephole.
9557         (second peephole after the above): Likewise.
9559 2016-04-08  Alan Modra  <amodra@gmail.com>
9561         PR target/70117
9562         * builtins.c (fold_builtin_classify): For IBM extended precision,
9563         look at just the high-order double to test for NaN.
9564         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9565         test just the high double for Inf but both doubles for subnormal
9566         limit.
9568 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9570         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9571         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9572         node->simdclone->mask_mode != VOIDmode masks.
9573         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9574         earlier, use it instead of node->simdclone.
9575         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9576         Set clonei->mask_mode.
9578 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9580         PR c/70436
9581         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9582         Pass it through to cp_parser_already_scoped_statement.
9583         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9584         it through to cp_parser_statement.
9585         (cp_parser_statement): Pass IF_P through to
9586         cp_parser_iteration_statement.
9587         (cp_parser_pragma): Adjust call to
9588         cp_parser_iteration_statement.
9590 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9592         PR c/70436
9593         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9594         resolve a future -Wparentheses warning.
9595         * omp-low.c (scan_sharing_clauses): Likewise.
9596         * tree-parloops.c (eliminate_local_variables): Likewise.
9598 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9600         PR rtl-optimization/70398
9601         * lra-constraints.c (process_address_1): Check zero scale and code
9602         for reloading with zero scale.
9604 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9606         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9607         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9609 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9611         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9612         Add support for AVX512F clones, include them by default for
9613         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9614         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9615         up to 128.
9617         PR middle-end/70550
9618         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9619         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9620         firstprivate clauses.
9621         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9622         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9623         (lower_omp_target): Set TREE_NO_WARNING for
9624         non-addressable possibly uninitialized vars which are copied into
9625         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9627 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9629         * config/pa/predicates.md (integer_store_memory_operand): Accept
9630         REG+D operands with a large offset when reload_in_progress is true.
9631         (floating_point_store_memory_operand): Likewise.
9633 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9635         PR c++/70336
9636         * match.pd (nested int casts): Limit to GIMPLE.
9638 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9640         PR ipa/66223
9641         * ipa-devirt.c (maybe_record_node): Fix comment; use
9642         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9644 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9646         PR rtl-optimization/70542
9647         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9648         if there are any uses other than insn or debug insns.
9650 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9651             Jakub Jelinek  <jakub@redhat.com>
9653         PR tree-optimization/70509
9654         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9655         Shift HOST_WIDE_INT_1U instead of 1.
9657 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9659         PR tree-optimization/70509
9660         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9661         of the vector base type for index.
9663 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9665         PR target/70510
9666         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9668 2016-04-05  Richard Biener  <rguenther@suse.de>
9670         PR tree-optimization/70526
9671         * tree-sra.c (build_ref_for_offset): Use prev_base to
9672         extract the alias pointer type.
9674 2016-04-05  Richard Biener  <rguenther@suse.de>
9676         * dse.c (struct store_info): Remove alias_set member.
9677         (struct read_info_type): Likewise.
9678         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9679         spill_deleted, clear_alias_set_lookup): Remove.
9680         (get_group_info): Remove dead base == NULL_RTX case.
9681         (dse_step0): Remove initialization of removed variables.
9682         (delete_dead_store_insn): Reomve alias set dumping.
9683         (free_read_records): Remove alias_set handling.
9684         (canon_address): Remove alias_set_out parameter.
9685         (record_store): Remove spill_alias_set, it's always zero.
9686         (check_mem_read_rtx): Likewise.
9687         (dse_step2): Rename from ...
9688         (dse_step2_nospill): ... this.  Adjust.
9689         (scan_stores): Rename from ...
9690         (scan_stores_nospill): ... this.
9691         (scan_reads): Rename from ...
9692         (scan_reads_nospill): ... this.
9693         (scan_stores_spill, scan_reads_spill): Remove.
9694         (dse_step3_scan): Remove for_spills argument which is always false.
9695         (dse_step3): Likewise.
9696         (dse_step5): Rename from ...
9697         (dse_step5_nospill): ... this.  Remove alias_set handling.
9698         (rest_of_handle_dse): Adjust.
9700 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9702         PR target/70525
9703         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9704         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9705         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9706         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9708 2016-04-05  Richard Biener  <rguenther@suse.de>
9710         PR middle-end/70499
9711         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9712         non-register type temporaries into SSA.
9714 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9716         PR ipa/66223
9717         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9718         calls when sanitizing.
9719         (possible_polymorphic_call_target_p): Fix formatting.
9721 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9722             Jakub Jelinek <jakub@redhat.com>
9724         PR middle-end/70457
9725         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9726         to ensure a call statement is compatible with a built-in's
9727         prototype.
9728         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9729         Likewise.
9731 2016-04-04  Richard Biener  <rguenther@suse.de>
9733         PR rtl-optimization/70484
9734         * rtl.h (canon_output_dependence): Declare.
9735         * alias.c (canon_output_dependence): New function.
9736         * dse.c (record_store): Use canon_output_dependence rather
9737         than canon_true_dependence.
9739 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9741         PR ipa/68881
9742         * cgraph.h (symtab_node::copy_visibility_from): New function.
9743         * symtab.c (symtab_node::copy_visibility_from): New function.
9744         * ipa-visibility.c (optimize_weakref): New function.
9745         (function_and_variable_visibility): Use it.
9747 2016-04-04  Martin Liska  <mliska@suse.cz>
9749         PR hsa/70402
9750         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9751         value that is really in range handled by SBR instruction.
9752         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9753         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9754         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9756 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9758         PR target/70416
9759         PR target/67391
9760         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9761         set, but not for SP_REG operands.
9763 2016-04-02  Martin Sebor  <msebor@redhat.com>
9765         PR c++/67376
9766         * fold-const.c (maybe_nonzero_address): New function.
9767         (fold_comparison): Call it.  Fold equality and relational
9768         expressions involving null pointers.
9769         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9771 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9773         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9774         the "Y" constraint (scalar FP 0.0 immediate).
9776         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9777         Add the "const_double" to the list of operand constraints.
9779 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9781         PR rtl-optimization/70467
9782         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9783         If low word of the last operand is 0, just emit addition/subtraction
9784         for the high word.
9786 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9788         PR target/70404
9789         * config/s390/s390.c (s390_expand_insv): Check for everything
9790         constant instead of just VOIDmode stuff.
9792 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9794         PR target/70496
9795         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9797 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9799         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9801 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9803         PR rtl-optimization/70461
9804         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9805         is necessary.
9807 2016-03-31  Martin Liska  <mliska@suse.cz>
9809         PR hsa/70399
9810         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9811         a tree value or an immediate integer value to a buffer
9812         that is eventually copied to a BRIG section.
9813         (emit_immediate_operand): Call the function here.
9814         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9815         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9816         of class' fields that are removed.
9817         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9818         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9819         m_brig_repr_size fields.
9821 2016-03-31  Martin Liska  <mliska@suse.cz>
9823         PR hsa/70391
9824         * hsa-gen.c (hsa_function_representation::update_dominance): New
9825         function.
9826         (convert_addr_to_flat_segment): Likewise.
9827         (gen_hsa_memory_set): New alignment argument.
9828         (gen_hsa_ctor_assignment): Likewise.
9829         (gen_hsa_insns_for_single_assignment): Provide alignment
9830         to gen_hsa_ctor_assignment.
9831         (gen_hsa_insns_for_direct_call): Add new argument.
9832         (expand_lhs_of_string_op): New function.
9833         (expand_string_operation_builtin): Likewise.
9834         (expand_memory_copy): New function.
9835         (expand_memory_set): New function.
9836         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9837         (convert_switch_statements): Change signature.
9838         (generate_hsa): Use a return value of the function.
9839         (pass_gen_hsail::execute): Do not call
9840         convert_switch_statements here.
9841         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9842         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9843         (hsa_function_representation::update_dominance): New function.
9845 2016-03-31  Martin Liska  <mliska@suse.cz>
9847         PR hsa/70391
9848         * hsa-brig.c (emit_directive_variable): Emit alignment
9849         according to hsa_symbol::m_align.
9850         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9851         (dump_hsa_symbol): Dump alignment of HSA symbols.
9852         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9853         (gen_hsa_addr_with_align): New function.
9854         (hsa_bitmemref_alignment): Use newly added function.
9855         (gen_hsa_insns_for_load): Likewise.
9856         (gen_hsa_insns_for_store): Likewise.
9857         (gen_hsa_memory_copy): New argument added.
9858         (gen_hsa_insns_for_single_assignment): Respect
9859         alignment for assignments processed via gen_hsa_memory_copy.
9860         (gen_hsa_insns_for_direct_call): Likewise.
9861         (gen_hsa_insns_for_return): Likewise.
9862         (gen_function_def_parameters): Set default alignment.
9863         * hsa.c (hsa_object_alignment): New function.
9864         (hsa_byte_alignment): Pasted function.
9865         * hsa.h (hsa_symbol::m_align): New field.
9867 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9869         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9870         scratch field for goto case.
9872 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9874         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9876 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9878         PR target/70442
9879         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9880         (scalar_chain::convert_insn): Call convert_op for reg
9881         moves to handle undefined registers.
9883 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9885         PR c++/70393
9886         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9887         Assert we don't want to move backwards.
9889 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9891         PR target/70453
9892         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9894 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9896         PR rtl-optimization/70460
9897         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9898         with operand from REG_LABEL_OPERAND, instead substitute
9899         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9900         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9902 2016-03-31  Martin Liska  <mliska@suse.cz>
9904         * passes.c (execute_one_pass): Do not call
9905         todo_after for a discarded function.
9907 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9909         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9910         (no_cost, infinite_cost): Initialize the new field.
9911         (get_computation_cost_at): Record setup cost.
9912         (determine_use_iv_cost_address): Skip cost computation for sub
9913         uses if we can estimate it without losing accuracy.
9915 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9917         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9918         estimates here.
9919         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9920         max_loop_iterations_int.
9921         (tree_unswitch_outer_loop): Likewise.
9922         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9923         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9925 2016-03-30  Richard Biener  <rguenther@suse.de>
9927         PR middle-end/70450
9928         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9930 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9932         PR target/70421
9933         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9934         in gen_blendm expander.
9936 2016-03-30  Nick Clifton  <nickc@redhat.com>
9938         PR target/62254
9939         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9940         case where we are already provided with an SImode SUBREG.
9942 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9944         PR target/70439
9945         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9946         conflict between DRAP register and __builtin_eh_return.
9948 2016-03-30  Michael Matz  <matz@suse.de>
9949             Richard Biener  <rguenther@suse.de>
9951         PR ipa/12392
9952         * ipa-polymorphic-call.c (struct type_change_info): Change
9953         speculative to an unsigned allowing to limit the work we do.
9954         (csftc_abort_walking_p): New inline function..
9955         (check_stmt_for_type_change): Limit the number of may-defs
9956         skipped for speculative devirtualization to
9957         max-speculative-devirt-maydefs.
9958         * params.def (max-speculative-devirt-maydefs): New param.
9959         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9961 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9963         PR target/63890
9964         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9965         and TARGET_MACHO.
9967 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9969         PR tree-optimization/59124
9970         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9971         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9973 2016-03-29  Jeff Law  <law@redhat.com>
9975         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9977 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9979         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9980         to HOST_WIDE_INT.
9982 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9984         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9985         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9986         gcrt0.o if linking dynamically.
9988 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9990         PR ipa/70283
9991         * ipa-devirt.c (methods_equal_p): New function.
9992         (compare_virtual_tables): Use it.
9993         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9994         * cgraphclones.c (clone_function_name_1): Use
9995         symbol_table::symbol_suffix_separator.
9996         * coverage.c (build_var): Likewise.
9997         * symtab.c (symbol_table::symbol_suffix_separator): New.
9999 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
10001         PR rtl-optimization/70429
10002         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
10003         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
10004         mode != result_mode.
10006         PR c++/70353
10007         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
10009         PR tree-optimization/70405
10010         * ssa-iterators.h (num_imm_uses): Add missing braces.
10012 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
10014         PR rtl-optimization/68695
10015         * ira-color.c (allocno_copy_cost_saving): New.
10016         (improve_allocation): Use it.
10018 2016-03-29  Richard Henderson  <rth@redhat.com>
10020         PR middle-end/70355
10021         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
10023 2016-03-29  Richard Biener  <rguenther@suse.de>
10025         PR middle-end/70424
10026         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
10027         use alignment returned by get_pointer_alignment_1 if it is
10028         bigger than BITS_PER_UNIT.
10029         * builtins.c (get_pointer_alignment_1): Do not return true
10030         for alignment extracted from SSA info.
10032 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
10034         * config/ft32/ft32.opt (mnodiv): New.
10035         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
10036         * doc/invoke.texi (FT32 Options -mnodiv): New.
10038 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
10040         PR target/70406
10041         * config/i386/i386.md (define_split, andn): Fix modes.
10043 2016-03-26  Richard Biener  <rguenther@suse.de>
10044             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10046         PR ipa/70366
10047         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
10048         instead of
10049         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
10050         as 2nd argument to cl_optimization_restore().
10052 2016-03-25  Richard Henderson  <rth@redhat.com>
10054         PR target/70120
10055         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
10056         * config/aarch64/aarch64-protos.h: Declare it.
10057         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
10059 2016-03-25  Alan Modra  <amodra@gmail.com>
10061         PR target/70052
10062         * config/rs6000/constraints.md (j): Simplify.
10063         * config/rs6000/predicates.md (easy_fp_constant): Exclude
10064         decimal float 0.D.
10065         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
10066         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
10067          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
10068         in all constraint alternatives.
10069         (movtd_64bit_nodm): Delete "j" constraint alternative.
10071 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10073         * tree-ssa-propagate.c: Enhance docs for
10074         SSA_PROP_NOT_INTERESTING.
10076 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10078         * doc/extend.texi: Fix typo in documentation to pure attribute.
10080 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
10082         PR target/70319
10083         * config/pa/pa.md (bswapdi2): Use a scratch register.
10085 2016-03-24  Richard Henderson  <rth@redhat.com>
10087         PR middle-end/69845
10088         * fold-const.c (extract_muldiv_1): Correct test for multiplication
10089         overflow.
10091 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
10093         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
10094         using ix86_expand_binary_operator instead of gen_andsi3.
10096 2016-03-24  Richard Biener  <rguenther@suse.de>
10098         PR tree-optimization/70396
10099         * tree-vect-stmts.c (vectorizable_comparison): Use
10100         get_vectype_for_scalar_type.
10102 2016-03-24  Richard Biener  <rguenther@suse.de>
10104         PR middle-end/70370
10105         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
10106         with register bases.
10108 2016-03-24  Richard Biener  <rguenther@suse.de>
10110         PR tree-optimization/70372
10111         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
10112         build_all_ones_cst to also handle vector types correctly.
10114 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10116         PR target/70381
10117         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
10118         -mfloat128 here.
10120 2016-03-23  Marek Polacek  <polacek@redhat.com>
10122         PR c++/69884
10123         * doc/invoke.texi: Document -Wignored-attributes.
10125 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10127         PR tree-optimization/69042
10128         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
10129         parameter from 30 to 40.
10131 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10133         PR tree-optimization/69042
10134         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
10135         for use with constant offset stripped in base.
10137 2016-03-23  Richard Biener  <rguenther@suse.de>
10139         PR middle-end/70251
10140         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
10141         mode compatibility check.
10142         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10144 2016-03-23  Jeff Law  <law@redhat.com>
10146         PR tree-optimization/64058
10147         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
10148         CONFLICT_COUNT.
10149         (struct ssa_conflicts): Move up earlier in the file.
10150         (conflicts_, var_map_): New static variables.
10151         (initialize_conflict_count): New function to initialize the
10152         CONFLICT_COUNT field for each conflict pair.
10153         (compare_pairs): Lazily initialize the conflict count and use it
10154         as the first tie-breaker.
10155         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
10156         and wipe conflicts_ and map_ around the call to qsort.  Remove
10157         special case for 2 coalesce pairs.
10158         * bitmap.c (bitmap_count_unique_bits): New function.
10159         (bitmap_count_bits_in_word): New function, extracted from
10160         bitmap_count_bits.
10161         (bitmap_count_bits): Use bitmap_count_bits_in_word.
10162         * bitmap.h (bitmap_count_unique_bits): Declare it.
10164 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
10166         PR target/69917
10167         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
10168         transparent alias chain for decl assembler name.
10169         * config/sol2.c (solaris_assemble_visibility): Likewise.
10171 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10173         * config/arm/arm1020e.md (1020call_op): Reduce reservation
10174         duration.
10175         (v10_fdivs): Likewise.
10176         (v10_fdivd): Likewise.
10178 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10180         PR driver/70132
10181         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
10182         to not call fclose twice on file.
10184 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
10186         PR tree-optimization/70354
10187         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10188         oprnd0 is wider than oprnd1 and there is a cast from the wider
10189         type to oprnd1, mask it with the mask of the narrower type.
10191         PR target/70321
10192         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
10193         Optimize TARGET_STV splitters, if high or low word of last argument
10194         is 0 or -1.
10196 2016-03-22  Jeff Law  <law@redhat.com>
10198         PR target/70232
10199         tree-ssa-threadbackward.c
10200         (fsm_find_control_statement_thread_paths): Correctly distinguish
10201         between old style jump threads vs FSM jump threads.
10203 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
10205         PR target/70302
10206         * config/i386/i386.c (scalar_chain::convert_op): Support
10207         uninitialized register usage case.
10209 2016-03-22  Richard Biener  <rguenther@suse.de>
10211         PR middle-end/70251
10212         * genmatch.c (gen_transform): Adjust last parameter to a three-state
10213         int...
10214         (capture::gen_transform): ... to change behavior when substituting
10215         a condition into cond or not-cond expr context.
10216         (dt_simplify::gen_1): Adjust.
10217         * gimple-match-head.c: Include gimplify.h for unshare_expr.
10218         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
10219         last change and instead change to
10220         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
10221         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10223 2016-03-22  Anthony Green  <green@moxielogic.com>
10225         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
10226         issue for moxiebox targets.
10227         (CC1PLUS_SPEC): Ditto.
10229 2016-03-22  Richard Biener  <rguenther@suse.de>
10231         PR middle-end/70333
10232         * fold-const.c (extract_muldiv_1): Properly perform multiplication
10233         in the wide type.
10235 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10237         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
10239 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10241         PR target/70325
10242         * config/i386/i386.c (def_builtin): Handle
10243         OPTION_MASK_ISA_AVX512VL to be and-ed with other
10244         bits.
10245         (const struct builtin_description bdesc_special_args[]):
10246         Remove duplicate ISA bits.
10248 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
10250         PR target/70329
10251         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
10252         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
10253         in a way that works also for AVX512BW.
10255         PR target/70300
10256         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
10257         instead of source if operands[1] is xmm16 and above and
10258         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
10259         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
10261         PR c++/70295
10262         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
10263         on assign if (*from_p) is a comparison, set it to
10264         TREE_NO_WARNING (*from_p).
10266 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10268         PR middle-end/70326
10269         * lra.c (restore_scratches): Ignore deleted insns.
10271 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
10272             Jakub Jelinek  <jakub@redhat.com>
10274         PR tree-optimization/70317
10275         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
10276         to HONOR_NANS.
10278 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
10280         PR target/70327
10281         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
10282         of ix86_expand_move.
10283         (movoi): Ditto.
10284         (movti): Use general_operand for operand 1 predicate.
10286 2016-03-21  Martin Liska  <mliska@suse.cz>
10288         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
10289         insns.
10290         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
10292 2016-03-21  Martin Liska  <mliska@suse.cz>
10294         PR ipa/70306
10295         * ipa-icf.c (sem_function::parse): Skip static
10296         constructors and destructors.
10298 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10300         PR target/70296
10301         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
10302         function-like macro, peek following token(s) if it is followed
10303         by CPP_OPEN_PAREN token with optional padding in between, and
10304         if not, don't treat it like a macro.
10306 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
10307             Alexander Monakov  <amonakov@ispras.ru>
10309         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
10310         for the stabs debug format.
10312 2016-03-21  Richard Biener  <rguenther@suse.de>
10314         PR tree-optimization/70310
10315         * tree-vect-generic.c (expand_vector_condition): Fold the built
10316         condition.
10318 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
10320         PR target/70293
10321         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
10322         Block third alternative for AVX-512VL target,
10324 2016-03-21  Martin Liska  <mliska@suse.cz>
10326         PR hsa/70234
10327         * hsa-brig.c (emit_function_directives): Mark unemitted
10328         global variables for emission.
10329         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
10330         (get_symbol_for_decl): Likewise.
10331         * hsa.h (struct hsa_symbol): New flag.
10333 2016-03-21  Richard Biener  <rguenther@suse.de>
10335         PR tree-optimization/70288
10336         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
10337         we do not estimate unsimplified all-constant conditionals or
10338         switches as optimized away.
10340 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
10342         PR rtl-optimization/69102
10343         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
10344         when we have a readonly dependency context.
10346 2016-03-18  Jeff Law  <law@redhat.com>
10348         PR rtl-optimization/70263
10349         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
10350         (update_equiv_regs): When trying to move a store to after the insn
10351         that sets the source of the store, make sure the store occurs after
10352         the insn that sets the source of the store.  When successful note
10353         the REG_EQUIV note created in the dump file.
10355 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
10356             Bernd Schmidt  <bschmidt@redhat.com>
10358         * doc/extend.texi: Document more potential problems with basic asms.
10360 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
10362         PR rtl-optimization/70278
10363         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
10364         VOIDmode.
10366 2016-03-18  Jason Merrill  <jason@redhat.com>
10368         * calls.c (load_register_parameters): Fix zero size sibcall logic.
10370 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10372         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10373         values to 128b regs.
10375 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10377         PR tree-optimization/70252
10378         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
10379         boolean vector has a proper number of elements.
10380         (supportable_narrowing_operation): Likewise.
10382 2016-03-18  Tom de Vries  <tom@codesourcery.com>
10384         PR ipa/70269
10385         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
10387 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
10389         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
10390         instead of replace_rtx for DEBUG_INSNs.
10392 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10394         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
10395         load type reservations.
10397 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
10399         PR target/70188
10400         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
10401         define_constraint for "Q" and "T" constraints.
10403 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
10405         Tweak the pipeline model for Exynos M1
10407         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
10408         model.
10410 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
10412         PR c/70264
10413         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
10414         where one or both locations aren't within a line_map.
10416 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10418         PR driver/70192
10419         * opts.c (finish_options): Don't set flag_pie to the default if
10420         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
10421         if it is -1.
10423 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10425         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
10426         true as ALL_REGS argument to replace_rtx.
10428 2016-03-17  Richard Biener  <rguenther@suse.de>
10430         PR debug/70271
10431         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
10432         last.
10434 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10436         PR target/70245
10437         * rtl.h (replace_rtx): Add ALL_REGS argument.
10438         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
10439         equality and assert mode is the same, instead of just rtx pointer
10440         equality.
10441         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
10442         true as ALL_REGS argument to replace_rtx.
10444 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
10446         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
10447         for boolean vector with vector mode only.
10448         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10450 2016-03-17  Nick Clifton  <nickc@redhat.com>
10452         PR target/70162
10453         * config/rx/rx.c (rx_print_integer): Print negative constants in
10454         decimal.
10456 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10458         PR target/70261
10459         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10461 2016-03-16  Richard Henderson  <rth@redhat.com>
10462             Richard Biener  <rguenth@suse.de>
10464         PR middle-end/70240
10465         PR middle-end/68215
10466         PR tree-opt/68714
10467         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10468         first operand as is_gimple_condexpr.
10470         PR middle-end/70240
10471         PR middle-end/68215
10472         Revert r231575
10473         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10474         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10475         Do not gimplify the result.
10476         (do_unop): Adjust call to tree_vec_extract.
10477         (do_binop): Likewise.
10478         (do_compare): Likewise.
10479         (do_plus_minus): Likewise.
10480         (do_negate): Likewise.
10481         (expand_vector_condition): Likewise.
10482         (do_cond): Likewise.
10484 2016-03-16  Richard Henderson  <rth@redhat.com>
10486         PR target/70048
10487         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10488         (aarch64_classify_address): Use it.
10489         (aarch64_legitimize_address): Force all subexpressions of PLUS
10490         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10492 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10493             Richard Biener  <rguenth@suse.de>
10495         PR target/70245
10496         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10497         return to even if only REGNO is equal, and assert
10498         mode is the same.
10500 2016-03-11  Jeff Law  <law@redhat.com>
10502         PR rtl-optimization/70224
10503         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10505 2016-03-16  Richard Henderson  <rth@redhat.com>
10507         PR middle-end/70199
10508         * function.h (struct function): Add has_forced_label_in_static.
10509         * gimplify.c (force_labels_r): Set it.
10510         * lto-streamer-in.c (input_struct_function_base): Read it.
10511         * lto-streamer-out.c (output_struct_function_base): Write it.
10512         * tree-inline.c (has_label_address_in_static_1): Remove.
10513         (copy_forbidden): Remove fndecl parameter; test
10514         has_forced_label_in_static.
10515         (inline_forbidden_p): Update call to copy_forbidden.
10516         (tree_versionable_function_p): Likewise.
10517         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10518         (chkp_versioning): Likewise.
10519         * tree-inline.h (copy_forbidden): Update decl.
10521 2016-03-16  Marek Polacek  <polacek@redhat.com>
10523         PR c/70093
10524         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10525         function being thunked if the result type doesn't have fixed size.
10526         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10527         doesn't have fixed size.
10529 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10531         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10532         reporting malformed loop nest.
10534 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10536         PR lto/70187
10537         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10538         nodes.length () == 1 test to before first nodes[0] access.
10540 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10542         PR tree-optimization/68715
10543         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10544         single_pred_p test.
10546 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10548         PR tree-optimization/68809
10549         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10550         are the same.
10552 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10553             Sandra Loosemore  <sandra@codesourcery.com>
10555         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10556         on leaf attribute. Mention ELF interposition problems.
10558 2016-03-16  Alan Modra  <amodra@gmail.com>
10560         PR rtl-optimization/69195
10561         PR rtl-optimization/47992
10562         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10563         Add comments.
10565 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10567         PR bootstrap/69513
10568         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10570 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10572         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10574 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10576         PR rtl-optimization/70222
10577         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10578         optimization if mode is different from result_mode, queue up masking
10579         of the result in outer_op.  Formatting fix.
10581         PR middle-end/70239
10582         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10583         of safe_grow.
10585 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10587         PR rtl-optimization/69032
10588         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10589         looping backwards over basic block insns.
10591 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10593         PR target/66660
10594         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10595         to non-speculative when propagating trap bits.
10597 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10599         PR rtl-optimization/63384
10600         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10601         DEBUG_INSN_P insns.
10603 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10605         PR target/64411
10606         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10607         factored out from ...
10608         (sched_analyze_insn): ... here.
10609         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10610         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10611         get_implicit_reg_pending_clobbers in it.
10612         (setup_id_reg_sets): Use setup_id_implicit_regs.
10613         (deps_init_id): Ditto.
10615 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10617         PR ipa/70161
10618         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10619         dump_file_name.
10620         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10621         execute_function_dump.
10622         (execute_one_pass): Don't dump function if it will be dumped after ipa
10623         transform.
10625 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10627         * genrecog.c (match_pattern_2): If pred is NULL don't call
10628         safe_predicate_mode on it.
10630 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10632         PR middle-end/70219
10633         * lra-constraints.c (delete_move_and_clobber): Change assertion
10634         to also allow dregno == 0.
10636 2016-03-14  Richard Henderson  <rth@redhat.com>
10638         PR tree-opt/68714
10639         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10640         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10641         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10642         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10643         on vectors.
10645 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10647         PR target/70083
10648         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10649         regs.
10650         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10651         VOIDmode.
10652         * lra-constraints.c (split_reg): For hard regs, try to find the
10653         biggest single-register mode used in the function.
10655 2016-03-14  Richard Biener  <rguenther@suse.de>
10657         PR tree-optimization/56365
10658         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10659         constants to compare against.
10661 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10663         PR target/70098
10664         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10665         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10666         (define_split for the GPR case): Use int_reg_operand instead of
10667         gpc_reg_operand for the output.
10669 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10671         PR tree-optimization/70045
10672         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10673         create_empty_if_region_on_edge argument.
10675 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10677         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10678         (STACK_CHECK_PROTECT): Likewise.
10679         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10680         (STACK_CHECK_PROTECT): Likewise.
10681         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10682         (STACK_CHECK_PROTECT): Likewise.
10683         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10684         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10685         (STACK_CHECK_PROTECT): Likewise.
10687 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10689         PR rtl-optimization/69307
10690         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10691         registers in modes that span more than one register.
10693 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10695         PR target/69614
10696         * lra-constraints.c (delete_move_and_clobber): New.
10697         (remove_inheritance_pseudos): Use it.
10699 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10701         PR ada/70017
10702         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10703         the libcall is LCT_THROW.
10704         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10705         for the checking routine.
10707 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10709         PR target/70131
10710         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10711         optimization if we have direct move.
10712         (roundu32<mode>2_fprs): Likewise.
10714 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10716         PR target/70123
10717         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10718         be rematerialized.
10719         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10720         Arguments swapped.  All callers changed.  Take reg_renumber into
10721         account, and Calculate and compare register ranges for hard regs.
10723 2016-03-11  Jeff Law  <law@redhat.com>
10725         PR tree-optimization/70190
10726         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10727         Handle cases where we can not extract the taken edge, even though we
10728         found a constant value.
10730         PR tree-optimization/64058
10731         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10732         (num_coalesce_pairs): Move up earlier in file.
10733         (find_coalesce_pair): Initialize the INDEX field for each pair
10734         discovered.
10735         (compare_pairs): No longer sort on the elements in each pair.
10736         Instead break ties with the index of the coalesce pair.
10738 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10740         PR target/70002
10741         * config/aarch64/aarch64-protos.h
10742         (aarch64_save_restore_target_globals): New prototype.
10743         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10744         Call the above when popping pragma.
10745         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10746         New function.
10747         (aarch64_set_current_function): Rewrite using the above.
10749 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10751         PR tree-optimization/70177
10752         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10753         (extract_ops_from_tree): ... this.  In the 2 argument
10754         overload remove _1 suffix.
10755         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10756         (extract_ops_from_tree): ... this.
10757         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10758         Adjust callers.
10759         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10760         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10761         extract_ops_from_tree instead of 2 operand one.
10763 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10765         PR tree-optimization/70013
10766         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10767         for constant-pool entries.
10769 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10771         PR rtl-optimization/70174
10772         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10773         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10775         PR tree-optimization/70169
10776         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10777         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10778         for unknown codes.
10780 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10781             Jakub Jelinek  <jakub@redhat.com>
10783         PR target/70160
10784         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10785         of uninitialized values.
10787 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10789         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10790         define_expand.
10791         ("*trunctddd2"): New pattern definition.
10792         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10793         TD->DD truncation.
10795 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10797         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10798         definitions for BFP and DFP rounding modes.
10799         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10800         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10801         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10802         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10803         numbers.
10805 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10807         * config/s390/constraints.md: Adjust comment.
10808         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10809         s390_decompose_addrstyle_without_index.
10810         * config/s390/predicates.md (shift_count_or_setmem_operand):
10811         Rename to setmem_operand.
10812         * config/s390/s390-protos.h
10813         (s390_decompose_shift_count): Rename to
10814         s390_decompose_addrstyle_without_index.
10815         * config/s390/s390.c (s390_decompose_shift_count)
10816         (s390_mem_constraint, print_shift_count_operand)
10817         (print_operand_address, print_operand): Rename
10818         s390_decompose_shift_count to
10819         s390_decompose_addrstyle_without_index and rename
10820         print_shift_count_operand to print_addrstyle_operand troughout the
10821         file.
10822         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10823         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10824         Rename shift_count_or_setmem_operand to setmem_operand.
10825         * config/s390/vx-builtins.md ("vec_insert<mode>")
10826         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10827         nonmemory_operand.
10829 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10831         PR target/70168
10832         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10833         Handle overlapping retval and newval.
10835 2016-03-10  Nick Clifton  <nickc@redhat.com>
10837         PR target/7044
10838         * config/aarch64/aarch64.c
10839         (aarch64_override_options_after_change_1): When forcing
10840         flag_omit_frame_pointer to be true, use a special value that can
10841         be detected if this function is called again, thus preventing
10842         flag_omit_leaf_frame_pointer from being forced to be false.
10844 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10846         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10847         Set x_flag_omit_leaf_frame_pointer when handling
10848         -momit-leaf-frame-pointer.
10850 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10852         PR lto/69589
10853         * cgraph.c (cgraph_node::dump): Dump split_part and
10854         indirect_call_target.
10855         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10856         * ipa.c (has_addr_references_p): Cleanup.
10857         (is_indirect_call_target_p): New.
10858         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10859         called indirectly as local.
10860         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10862 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10864         PR ipa/69630
10865         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10866         on cxa_pure_virtual.
10868 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10870         PR lto/69589
10871         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10873 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10875         PR lto/69589
10876         * tree.c (need_assembler_name_p): Only record main variant type names.
10878 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10880         PR target/70113.
10881         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10882         Always define to 0 or 1.
10883         (TARGET_FIX_ERR_A53_843419): New macro.
10884         * config/aarch64/aarch64-elf-raw.h
10885         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10886         * config/aarch64/aarch64-linux.h: Likewise.
10887         * config/aarch64/aarch64.c
10888         (aarch64_override_options_after_change_1): Do not default
10889         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10890         843419 is on.
10891         (aarch64_attributes): Handle fix-cortex-a53-843419.
10892         (aarch64_can_inline_p): Likewise.
10893         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10895 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10896         Jakub Jelinek <jakub@redhat.com>
10898         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10899         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10900         DECL_COMMONS if flag_unconstrained_commons is set.
10901         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10902         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10903         (funconstrained-commons): Document.
10905 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10907         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10908         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10910 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10912         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10913         has a proper number of elements.
10915 2016-03-10  Alan Modra  <amodra@gmail.com>
10917         PR rtl-optimization/69195
10918         PR rtl-optimization/47992
10919         * ira.c (recorded_label_ref): Delete.
10920         (update_equiv_regs): Return void.
10921         (indirect_jump_optimize): New function.
10922         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10923         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10924         Delete update_regstat.
10926 2016-03-10  Richard Biener  <rguenther@suse.de>
10928         PR tree-optimization/70128
10929         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10930         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10932 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10934         PR tree-optimization/70152
10935         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10936         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10938         PR target/70086
10939         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10940         instead of gen_sse2_loadlpd.
10941         * config/i386/sse.md (*vec_concatv2df): Rename to...
10942         (vec_concatv2df): ... this.
10944         PR tree-optimization/70127
10945         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10947 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10949         PR c/68473
10950         PR c++/70105
10951         * diagnostic-show-locus.c (compatible_locations_p): New function.
10952         (layout::layout): Sanitize ranges using compatible_locations_p.
10954 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10956         PR c/68473
10957         PR c++/70105
10958         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10959         location_range param with three const expanded_locations * and a
10960         bool.
10961         (layout::layout): Replace call to
10962         rich_location::lazily_expand_location with get_expanded_location.
10963         Extract the range and perform location expansion here, passing
10964         the results to the layout_range ctor.
10965         * diagnostic.c (source_range::debug): Delete.
10966         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10967         of rich_location::get_expanded_location.
10968         * gcc-rich-location.c (get_range_for_expr): Delete.
10969         (gcc_rich_location::add_expr): Reimplement to avoid the
10970         rich_location::add_range overload that took a location_range,
10971         passing a location_t instead.
10973 2016-03-09  Richard Biener  <rguenther@suse.de>
10974         Jakub Jelinek  <jakub@redhat.com>
10976         PR tree-optimization/70138
10977         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10978         Also skip vect_double_reduction_def.
10980 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10982         PR target/70049
10983         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10984         if the operand is "m".
10986 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10988         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10990 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10992         * config/i386/i386.c (processor_target_table): Fix cost table
10993         intialization order for znver1.
10995 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10997         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10998         - becuase -> because.
10999         * ipa-reference.c (ignore_module_statics): Likewise.
11000         * cgraph.c (cgraph_node::get_body): Likewise.
11001         * ipa-inline.c (early_inliner): Likewise.
11002         * ipa-devirt.c (types_same_for_odr): Likewise.
11003         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
11004         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
11006 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11008         * tree-ssa-math-opts.c: Fix typo in comment.
11010 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
11012         PR target/70110
11013         * config/i386/i386.c (scalar_chain::make_vector_copies,
11014         scalar_chain::convert_reg): Call end_sequence in between
11015         get_insns and emit_conversion_insns rather than after both
11016         calls.
11018 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
11020         PR target/70064
11021         * config/i386/i386.h (machine_function): Add
11022         pc_thunk_call_expanded flag.
11023         (ix86_pc_thunk_call_expanded): New define.
11024         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
11025         (*set_got): Rename insn pattern from set_got.
11026         (*set_got_labelled): Rename inst pattern from set_got_labelled.
11027         * config/i386/i386.c (ix86_compute_frame_layout): Use
11028         ix86_pc_thunk_call_expanded to prevent red-zone.
11030 2016-03-07  Martin Jambor  <mjambor@suse.cz>
11032         * hsa.h (hsa_get_ctor_statements): Declare.
11033         (hsa_get_dtor_statements): Likewise.
11034         (hsa_get_kernel_dispatch_type): Likewise.
11035         * hsa.c (hsa_get_ctor_statements): New function.
11036         (hsa_get_dtor_statements): Likewise.
11037         (hsa_get_kernel_dispatch_type): Likewise.
11038         * hsa-brig.c (hsa_cdtor_statements): Removed.
11039         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
11040         hsa_get_dtor_statements.
11041         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
11042         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
11044 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11046         * config/arm/arm-cores.def (cortex-r8): New.
11047         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
11048         * config/arm/arm-tune.md: Likewise.
11049         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
11051 2016-03-07  Martin Sebor  <msebor@redhat.com>
11053         PR rtl-optimization/19705
11054         * doc/invoke.texi (Options That Control Optimization): Clarify
11055         -fno-branch-count-reg.
11057 2016-02-26  Richard Biener  <rguenther@suse.de>
11058             Jeff Law  <law@redhat.com>
11060         PR tree-optimization/69740
11061         * cfghooks.c (remove_edge): Request loop fixups if we delete
11062         an edge that might turn an irreducible loop into a natural
11063         loop.
11064         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
11065         Move after definition of loops_state_clear.
11067 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
11069         PR rtl-optimization/69052
11070         * rtlanal.c (commutative_operand_precedence): Set higher precedence
11071         to CONST_WIDE_INT.
11073 2016-03-07  Tom de Vries  <tom@codesourcery.com>
11075         PR tree-optimization/70116
11076         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
11077         is_tm_ending stmts and ubsan/asan internal functions.
11078         (find_duplicate): Use it.  Don't test is_tm_ending here.
11080 2016-03-07  Richard Biener  <rguenther@suse.de>
11082         PR tree-optimization/70115
11083         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
11084         (propagate_constants_for_unrolling): Use replace_uses_by.
11086 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
11088         PR middle-end/69916
11089         * omp-low.c (struct oacc_loop): Add ifns.
11090         (new_oacc_loop_raw): Initialize it.
11091         (finish_oacc_loop): Clear mask & flags if no ifns.
11092         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
11093         (oacc_loop_xform_loop): Add ifns arg & adjust.
11094         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
11096 2016-03-07  Richard Henderson  <rth@redhat.com>
11098         PR rtl-opt/70061
11099         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
11100         (insert_value_copy_on_edge): Likewise.
11102 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11104         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
11106 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11108         PR target/62281
11109         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
11111 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11113         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
11115 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11117         Fix sseimul type attribute.
11118         * config/i386/znver1.md
11119         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
11120         znver1_sseimul_avx256_load) : Fix the type attribute.
11121         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
11122         pipe usage and latency.
11124 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
11126         PR c++/70084
11127         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
11128         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
11129         to the right type.
11131 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11133         PR c/69973
11134         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
11136         PR rtl-optimization/69941
11137         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
11138         the reg share its mode.
11140 2016-03-04  Jeff Law  <law@redhat.com>
11142         PR tree-optimization/69196
11143         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11144         If the both SSA_NAMEs are anonymous, then consider them unassociated
11145         and include the PHI in the statement count.
11147 2016-03-05  Tom de Vries  <tom@codesourcery.com>
11149         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
11150         construct in oacc routine.  Check for oacc region in oacc routine.
11152 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11154         PR target/70062
11155         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
11156         2016-02-22 changes, instead don't recurse if RECUR is already true.
11157         Don't change *dynamic_check if RECUR.  Adjust recursive caller
11158         to pass true to the new argument.
11159         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
11161         PR target/70059
11162         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
11163         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
11164         fixes.
11165         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
11167 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11169         PR rtl-optimization/57676
11170         * lra-assigns.c (lra_assign): Guard test for maximum iterations
11171         with flag_checking.
11173 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
11175         * tree-vect-patterns.c (search_type_for_mask): Handle
11176         comparison of booleans.
11178 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11180         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
11181         Fix @xref usage.
11183         PR debug/69947
11184         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
11185         all other ops that have dw_val_class_die_ref operands,
11186         and DW_OP_GNU_entry_value.
11188 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11190         PR rtl-optimization/69904
11191         * config/arm/arm.c (arm_cannot_copy_insn_p):
11192         Return true for load-exclusive instructions.
11194 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
11196         PR target/70021
11197         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
11198         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
11199         the pattern no matter if it is used just by non-pattern, pattern
11200         or mix thereof.
11201         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
11202         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
11203         oprnd1 def_stmt is in pattern, don't look through it.
11205 2016-03-03  Marek Polacek  <polacek@redhat.com>
11207         PR middle-end/70050
11208         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
11210 2016-03-03  Martin Liska  <mliska@suse.cz>
11212         PR tree-optimization/70043
11213         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
11214         previous statement if we see a debug statement.
11216 2016-03-03  Richard Biener  <rguenther@suse.de>
11218         PR tree-optimization/55936
11219         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
11220         parameter and guard unsafe equivalence use.
11221         (vrp_evaluate_conditional_warnv_with_ops): Always use
11222         safe equivalences but not via the quadratic compare_names
11223         helper.
11225 2016-03-03  Michael Collison  <michael.collison@linaro.org>
11227         PR target/70014
11228         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
11229         for operand 1 to s_register_operand. Change predicate for operand
11230         2 to arm_not_immediate_operand.
11232 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
11234         * doc/tm.texi: Regenerated.
11236 2016-03-02  Richard Henderson  <rth@redhat.com>
11238         PR rtl-opt/67145
11239         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
11240         simplification when all args are positive non-fixed registers.
11242 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11244         * target.def (lra_p): Specify that new ports should use LRA.
11246 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11248         PR libgomp/69555
11249         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
11250         gimplify_type_sizes the type they refer to.
11251         (omp_notice_variable): Handle reference vars to VLAs.
11252         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
11253         reference to VLA decls in the second pass instead of first pass.
11255 2016-03-02  Tom de Vries  <tom@codesourcery.com>
11257         PR tree-optimization/68659
11258         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
11259         new_expr == NULL_TREE.
11260         (get_new_name): Handle ADDR_EXPR.
11262 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
11264         PR rtl-optimization/69052
11265         * loop-invariant.c (canonicalize_address): New function.
11266         (inv_can_prop_to_addr_use): Check validity of address expression
11267         which is canonicalized by above function.
11269 2016-03-02  Alan Modra  <amodra@gmail.com>
11271         PR ipa/69990
11272         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
11273         larger alignment.
11275 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11277         PR target/70028
11278         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
11279         (*movhi_internal): Put mask moves from and to memory separately
11280         from moves from/to GPRs.
11282 2016-03-02  Richard Biener  <rguenther@suse.de>
11284         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
11285         GENERIC expressions in GIMPLE.
11287 2016-03-02  Richard Biener  <rguenther@suse.de>
11289         * config/i386/i386.c (type_natural_mode): Fix typo.
11291 2016-03-02  Nick Clifton  <nickc@redhat.com>
11293         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
11295 2016-03-02  Richard Biener  <rguenther@suse.de>
11296             Uros Bizjak  <ubizjak@gmail.com>
11298         PR target/67278
11299         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
11301 2016-03-02  Richard Biener  <rguenther@suse.de>
11303         PR middle-end/67278
11304         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
11306 2016-03-02  Marek Polacek  <polacek@redhat.com>
11308         PR c/67854
11309         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
11310         "is promoted to" warning.
11312 2016-03-01  DJ Delorie  <dj@redhat.com>
11314         * config.gcc: Deprecate mep-*.
11316 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
11318         PR middle-end/70025
11319         * lra-constraints.c (regno_val_use_in): New.
11320         (match_reload): Use it instead of regno_use_in.
11322 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11324         PR rtl-optimization/70007
11325         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
11326         references present in REG_EQUAL notes attached to non-SET patterns.
11328 2016-03-01  Jeff Law  <law@redhat.com>
11330         PR tree-optimization/69196
11331         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11332         Appropriately clamp the number of statements to copy when the
11333         thread path does not traverse a loop backedge.
11335         PR tree-optimization/69196
11336         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11337         Do count some PHIs in the thread path against the insn count.  Decrease
11338         final statement count by one as the control statement in the last
11339         block will get removed.  Remove special cased code for handling PHIs
11340         in the last block.
11342 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
11344         PR target/70027
11345         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
11346         asm dialect alternatives to explicit GOTPCREL calls.
11348 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11350         PR ada/70017
11351         * ira.c (do_reload): Issue warning for generic stack checking here...
11352         * reload1.c (reload): ...instead of here and streamline it.
11354 2016-03-01  Nick Clifton  <nickc@redhat.com>
11356         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
11358 2016-03-01  Richard Biener  <rguenther@suse.de>
11360         PR tree-optimization/69983
11361         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
11362         types and fall back to operand_equal_p.
11364 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11366         Revert
11367         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11369         * config/s390/constraints.md ("jm8"): New constraint.
11370         * config/s390/predicates.md ("const_int_8bitset_operand"): New
11371         predicate.
11372         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11373         into ...
11374         ("*setmem_long<setmem_and>"): New pattern.
11375         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
11376         into ...
11377         ("*setmem_long_31z<setmem_and>"): New pattern.
11378         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
11379         New substitution rules with the required attributes.
11382 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11384         Revert
11385         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11387         * gensupport.c (process_substs_on_one_elem): Split loop to
11388         complete mark_operands_used_in_match_dup on all expressions in the
11389         vector first.
11390         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11391         and remove function.
11393 2016-03-01  Richard Biener  <rguenther@suse.de>
11395         PR middle-end/70022
11396         * fold-const.c (fold_indirect_ref_1): Fix range checking for
11397         vector BIT_FIELD_REF extract.
11399 2016-03-01  Richard Biener  <rguenther@suse.de>
11401         PR tree-optimization/69994
11402         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
11404 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
11406         PR tree-optimization/69956
11407         * tree-vect-stmts.c (supportable_widening_operation): Support
11408         multi-step conversion of boolean vectors.
11409         (supportable_narrowing_operation): Likewise.
11411 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11413         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
11414         anymore.
11416 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11418         * config/s390/subst.md (DSI_VI): New mode iterator.
11419         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
11420         * config/s390/vector.md ("vec_set<mode>"): Move expander before
11421         the insn definition.
11422         ("*vec_set<mode>"): Change predicate and add alternative to
11423         support only either register or const_int operands as element
11424         selector.
11425         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
11426         operands.
11427         ("vec_extract<mode>"): New expander.
11428         ("*vec_extract<mode>"): New insn definition supporting reg and
11429         const_int element selectors.
11430         ("*vec_extract<mode>_plus"): New insn definition supporting
11431         reg+const_int element selectors.
11432         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
11433         following expander+insn definition.
11434         ("<vec_shifts_name><mode>3"): New expander.
11435         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
11437 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11439         * config/s390/s390.md ("*tabort_1"): Change predicate to
11440         nonmemory_operand.  Add a second alternative to cover
11441         register as well as const int operands.
11442         ("*tabort_1_plus"): New pattern definition.
11444 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11446         * config/s390/s390.md ("*ashrdi3_cc_31")
11447         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
11448         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
11449         Merge insn definitions into ...
11450         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11451         New pattern definition.
11452         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
11453         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
11454         ("*ashr<mode>3_and"): Merge insn definitions into ...
11455         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11456         New pattern definition.
11457         * config/s390/subst.md ("addr_style_op_cc_subst")
11458         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11459         substitutions patterns plus attributes.
11460         Add ashiftrt to SUBST iterator.
11462 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11464         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11465         op2 to nonmemory_operand.
11466         ("*<shift>di3_31", "*<shift>di3_31_and"):
11467         Merge into single pattern definition ...
11468         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11469         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11470         pattern definition ...
11471         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11472         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11473         iterator.
11475 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11477         * config/s390/predicates.md (const_int_6bitset_operand): New
11478         predicate.
11479         * config/s390/s390.md: Include subst.md.
11480         ("rotl<mode>3"): New expander.
11481         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11482         ...
11483         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11484         * config/s390/subst.md: New file.
11486 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11488         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11489         Remove RRR type.  It doesn't really exist.
11490         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11491         attributes.
11492         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11493         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11494         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11495         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11496         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11497         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11498         `enabled' attribute.
11500 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11502         * gensupport.c (process_substs_on_one_elem): Split loop to
11503         complete mark_operands_used_in_match_dup on all expressions in the
11504         vector first.
11505         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11506         and remove function.
11508 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11510         PR target/69706
11511         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11512         (CEIL_NWORDS): ...this.  Use CEIL macro.
11513         (compute_fp_layout): Adjust to above renaming.
11514         (function_arg_union_value): Likewise.
11515         (sparc_arg_partial_bytes): Likewise.
11516         (sparc_function_arg_advance): Likewise.
11518 2016-02-29  Jeff Law  <law@redhat.com>
11520         PR tree-optimization/70005
11521         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11522         where an object with a boolean range is compared against a value
11523         outside [0..1].
11525         PR tree-optimization/69999
11526         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11527         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11528         loop cleanups.
11530 2016-02-29  Richard Biener  <rguenther@suse.de>
11532         PR tree-optimization/69994
11533         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11534         (get_unary_op): Look through nop conversions.
11535         (ops_equal_values_p): New function, look for equality diregarding
11536         nop conversions.
11537         (eliminate_plus_minus_pair): Use ops_equal_values_p
11538         (repropagate_negates): Do not use get_unary_op here.
11540 2016-02-29  Martin Liska  <mliska@suse.cz>
11542         * system.h: Poison ENABLE_CHECKING macro.
11544 2016-02-29  Martin Liska  <mliska@suse.cz>
11546         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11547         is presented in dump flags.
11548         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11549         (hsa_regalloc): Likewise.
11551 2016-02-19  Richard Biener  <rguenther@suse.de>
11553         PR tree-optimization/69980
11554         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11555         permutation of those we need to keep.
11557 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11559         PR target/69706
11560         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11561         (NWORDS_UP): ...this
11562         (init_cumulative_args): Minor tweaks.
11563         (sparc_promote_function_mode): Likewise.
11564         (scan_record_type): Delete.
11565         (traverse_record_type): New function template.
11566         (classify_data_t): New structure type.
11567         (classify_registers): New inline function.
11568         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11569         exhausted.  Instantiate traverse_record_type on classify_registers and
11570         deal with the case of a structure passed in slot #15 with no FP field
11571         in the first word.
11572         (assign_data_t): New structure type.
11573         (compute_int_layout): New static function.
11574         (compute_fp_layout): Likewise.
11575         (count_registers): New inline function.
11576         (assign_int_registers): New static function.
11577         (assign_fp_registers): Likewise.
11578         (assign_registers): New inline function.
11579         (function_arg_record_value_1): Delete.
11580         (function_arg_record_value_2): Likewise.
11581         (function_arg_record_value_3): Likewise.
11582         (function_arg_record_value): Adjust to above changes.  Instantiate
11583         traverse_record_type on count_registers to first count the number of
11584         registers to be used and then on assign_registers to assign them.
11585         (function_arg_union_value): Adjust to above renaming.
11586         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11587         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11588         case of a structure passed in slot #15
11589         (sparc_function_arg_advance): Likewise.
11590         (function_arg_padding): Minor tweak.
11592 2016-02-29  Richard Biener  <rguenther@suse.de>
11594         PR tree-optimization/69720
11595         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11596         the adjustment_def path for possibly vectorized defs.
11597         (vect_create_epilog_for_reduction): Handle vectorized initial
11598         defs properly.
11600 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11602         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11604 2016-02-27  Jeff Law  <law@redhat.com>
11606         Revert
11607         2016-02-26  Richard Biener  <rguenther@suse.de>
11608                     Jeff Law  <law@redhat.com>
11610         PR tree-optimization/69740
11611         * cfghooks.c (remove_edge): Request loop fixups if we delete
11612         an edge that might turn an irreducible loop into a natural
11613         loop.
11615 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11617         PR rtl-optimization/69896
11618         * tree-vect-generic.c (get_compute_type): Avoid single element
11619         vector types.
11621 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11623         Rename the AArch64 tuning option and related functions to enable the
11624         Newton series for the reciprocal square root to reflect its
11625         approximative characteristic.
11627         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11628         function to "aarch64_emit_approx_rsqrt".
11629         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11630         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11631         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11632         (xgene1_tunings): Likewise.
11633         (use_rsqrt_p): Likewise.
11634         (aarch64_emit_swrsqrt): Use new function name.
11635         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11636         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11637         text explaining this option.
11638         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11640 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11642         PR target/69969
11643         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11644         complain about -mallow-movmisalign without -mvsx if
11645         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11647 2016-02-26  Joel Sherrill  <joel@rtems.org>
11649         * config.gcc: Add x86_64-*-rtems*.
11650         * config/i386/rtems-64.h: New file.
11652 2016-02-26  Joel Sherrill  <joel@rtems.org>
11654         * config.gcc: Add aarch64-*-rtems*.
11655         * config/aarch64/rtems.h: New file.
11657 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11659         PR target/69946
11660         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11661         shift amount using %h.  Add comment.
11663 2016-02-26  Richard Biener  <rguenther@suse.de>
11664             Jeff Law  <law@redhat.com>
11666         PR tree-optimization/69740
11667         * cfghooks.c (remove_edge): Request loop fixups if we delete
11668         an edge that might turn an irreducible loop into a natural
11669         loop.
11671 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11673         PR middle-end/69920
11674         * tree-sra.c (sra_modify_assign): Do not remove loads of
11675         uninitialized aggregates to SSA_NAMEs.
11677 2016-02-26  Richard Henderson  <rth@redhat.com>
11679         PR target/69709
11680         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11681         pseudo in case the target rtx matches the source of the left
11682         shift.
11684 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11686         PR hsa/69568
11687         * hsa.h (hsa_type_packed_p): Declare.
11688         * hsa.c (hsa_type_packed_p): New function.
11689         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11690         loads.
11691         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11692         * hsa-brig.c (emit_basic_insn): Likewise.
11694 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11696         pr hsa/69674
11697         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11698         pointers.
11699         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11701 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11703         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11704         hsa_op_with_type operands.
11705         (hsa_unsigned_type_for_type): Declare.
11706         * hsa.c (hsa_unsigned_type_for_type): New function.
11707         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11708         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11709         the finalizer.  Do not emit extra move.
11711 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11713         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11714         atomic operations in private segment.
11716 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11718         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11719         statements to wi->info.  Also disallow omp simd constructs.
11720         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11721         for not gridifying.  Dump special string for omp_for.
11723 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11725         PR target/69245
11726         * config/aarch64/aarch64.c (aarch64_set_current_function):
11727         Save/restore target globals when switching to
11728         target_option_default_node.
11730 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11732         PR target/69613
11733         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11734         Return 0 if !SHIFT_COUNT_TRUNCATED.
11736 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11737             Eric Botcazou  <ebotcazou@adacore.com>
11739         PR rtl-optimization/69891
11740         * dse.c (scan_insn): If we can't figure out memset arguments
11741         or they are non-constant, call clear_rhs_from_active_local_stores.
11743 2016-02-26  Martin Liska  <mliska@suse.cz>
11745         * doc/extend.texi: Mention clog10, clog10f an clog10l
11746         in Builtins section.
11748 2016-02-26  Martin Liska  <mliska@suse.cz>
11750         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11751         CHECKING_P.
11752         (resolve_args_picking_1): Likewise.
11753         * dwarf2out.h (struct GTY): Likewise.
11755 2016-02-26  Martin Liska  <mliska@suse.cz>
11757         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11758         with flag_checking.
11759         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11761 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11762             Martin Liska  <mliska@suse.cz>
11764         * doc/install.texi: Mention --enable-valgrind-annotations.
11766 2016-02-26  Richard Biener  <rguenther@suse.de>
11768         PR tree-optimization/69551
11769         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11770         looking through aliases adjust DECL_PT_UID to refer to the
11771         ultimate alias target.
11773 2016-02-25  Martin Liska  <mliska@suse.cz>
11775         PR middle-end/69919
11776         * alloc-pool.c (after_memory_report): New variable.
11777         * alloc-pool.h (base_pool_allocator ::release): Do not use
11778         the infrastructure if after_memory_report.
11779         * toplev.c (toplev::main): Mark after memory report.
11781 2016-02-25  Richard Biener  <rguenther@suse.de>
11783         PR tree-optimization/48795
11784         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11786 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11788         PR driver/68463
11789         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11790         offloading is enabled and -fopenacc or -fopenmp is specified.
11791         (CRTOFFLOADEND): Likewise.
11792         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11793         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11794         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11795         (offload_objects_file_name): New static var.
11796         (tool_cleanup): Remove offload_objects_file_name file.
11797         (find_offloadbeginend): Replace with ...
11798         (find_crtoffloadtable): ... this.
11799         (run_gcc): Remove offload_argc and offload_argv.
11800         Get offload_objects_file_name from -foffload-objects=... option.
11801         Read names of object files with offload from this file, pass them to
11802         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11803         don't pass offloadbegin and offloadend to the linker.  Don't pass
11804         offload non-LTO files to the linker, because now they're not claimed.
11806 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11808         PR ipa/69630
11809         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11810         on builtin_unreachable.
11812 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11814         PR rtl-optimization/69896
11815         * regcprop.c: Include cfgrtl.h.
11816         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11817         than remembered mode, either delete it (if noop_move_p), or
11818         treat like copy_p but not noop_p instruction.
11820 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11822         PR debug/69705
11823         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11824         - allow NULL decl for Fortran DW_TAG_common_block variables.
11826 2016-02-24  Jason Merrill  <jason@redhat.com>
11828         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11830 2016-02-24  Richard Biener  <rguenther@suse.de>
11831             Jakub Jelinek  <jakub@redhat.com>
11833         PR middle-end/69760
11834         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11835         conditionally executed ops to well-defined overflow behavior.
11837 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11839         PR middle-end/69915
11840         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11841         elements.
11843 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11845         PR rtl-optimization/69886
11846         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11847         argument.  Use it when checking validity of set instructions.
11848         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11849         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11850         callsite.
11851         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11852         * store-motion.c (find_moveable_store): Update
11853         can_assign_to_reg_without_clobbers_p callsite.
11855 2016-02-24  Richard Biener  <rguenther@suse.de>
11857         PR middle-end/68963
11858         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11859         bogus check.
11860         (record_nonwrapping_iv): Do not fall back to the low/high bound
11861         for non-constant IV bases if the stmt is not always executed.
11863 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11865         * config/arm/arm-cores.def (cortex-a32): New entry.
11866         * config/arm/arm-tables.opt: Regenerate.
11867         * config/arm/arm-tune.md: Regenerate.
11868         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11869         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11870         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11871         for -mcpu and -mtune.
11873 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11875         PR target/69875
11876         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11877         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11878         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11879         (atomic_loaddi_1): Delete.
11880         (atomic_loaddi): Rewrite expander using the above changes.
11882 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11884         PR c/69918
11885         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11886         2 to 3.
11888 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11889             Richard Biener  <rguenth@suse.de>
11891         PR middle-end/69909
11892         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11893         set_mem_attributes if tem is SSA_NAME which got expanded
11894         as a MEM.
11896 2016-02-24  Richard Biener  <rguenther@suse.de>
11898         PR tree-optimization/69907
11899         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11900         end of permutations for BB vectorization.
11902 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11904         * config/arm/arm-c.c (arm_option_override): Initialize
11905         target_option_current_node.
11906         * config/arm/arm.c (arm_pragma_target_parse): Replace
11907         build_target_option_node call by target_option_current_node.
11908         Set target_option_current_node.
11909         Fix comments.
11911 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11913         PR target/69810
11914         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11915         define_insn_and_split to define_insn.
11916         (zero_extendqi<mode>2_dot2): Same.
11917         (extendqi<mode>2_dot): Same.
11918         (extendqi<mode>2_dot2): Same.
11920 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11922         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11923         and add bypass for AES{D,E} and AESMC pairs.
11924         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11925         and AESMC pairs.
11927 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11929         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11930         series for reciprocal square root in Exynos M1.
11932 2016-02-23  Martin Sebor  <msebor@redhat.com>
11934         PR c/69759
11935         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11936         __builtin_alloca_with_align.
11938 2016-02-23  Richard Henderson  <rth@redhat.com>
11940         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11941         (ix86_register_pragmas): Remove __seg_tls.
11942         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11943         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11944         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11945         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11946         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11947         * doc/extend.texi (__seg_tls): Remove item.
11949 2016-02-23  Richard Biener  <rguenther@suse.de>
11951         * alloc-pool.h (struct allocation_object): Make id member
11952         conditional on CHECKING_P again.
11953         (get_instance): Adjust.
11954         (base_pool_allocator): Likewise.
11956 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11958         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11959         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11960         zero.
11961         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11962         flag_openacc.
11963         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11965 2016-02-23  Richard Biener  <rguenther@suse.de>
11967         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11968         * bitmap.h (struct bitmap_usage): Likewise.
11969         (bitmap_move): Declare.
11970         * bitmap.c (register_overhead): Take size_t argument.
11971         (bitmap_move): New function.
11972         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11973         to properly account overhead.
11974         * tree.c (free_node): Use tree_size.
11976 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11978         PR c++/69902
11979         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11980         when inverting comparison.
11982         PR c/69900
11983         * common.opt (Wunreachable-code): Add Warning flag.
11985 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11986             Jakub Jelinek  <jakub@redhat.com>
11988         PR c/69911
11989         * cgraphunit.c (check_global_declaration): Check main_input_filename
11990         and DECL_SOURCE_FILE are not NULL.
11992 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11994         PR tree-optimization/69666
11995         * tree-sra.c (sra_modify_assign): Do not attempt to create
11996         default_def replacements for unscalarizable regions.
11998 2016-02-20  Mark Wielaard  <mjw@redhat.com>
12000         PR c/28901
12001         * cgraphunit.c (check_global_declaration): Check level of
12002         warn_unused_const_variable and main_input_filename.
12003         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
12004         (-Wunused-variable): For C implies -Wunused-const-variable=1.
12005         (-Wunused-const-variable): Explain levels 1 and 2.
12007 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12009         PR target/69888
12010         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
12011         identical arguments.  Formatting and spelling fixes.
12013         PR target/69885
12014         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
12015         be specified.
12017         PR target/69894
12018         PR target/69895
12019         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
12020         and m68k-devices.def.
12021         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
12022         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
12024 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
12026         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
12027         and HImode registers.
12029 2016-02-22  Richard Biener  <rguenther@suse.de>
12031         PR tree-optimization/69882
12032         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
12033         preserve permutations present because of gaps.
12034         (vect_supported_load_permutation_p): Always continue checking
12035         permutations after vect_attempt_slp_rearrange_stmts.
12037 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
12039         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
12040         min_profitable_estimate, rather than min_profitable_iters.
12042 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12044         PR target/69885
12045         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
12046         SImode for last match_operand.
12048 2016-02-22  Martin Liska  <mliska@suse.cz>
12050         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
12051         return bitsize - 1 as the return value.
12053 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
12055         PR target/69806
12056         PR target/54089
12057         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
12058         Handle negative shift counts.
12059         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
12060         force_reg on the shift constant.
12061         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
12062         (lshrsi3_d): Handle negative shift counts.
12064 2016-02-22  Richard Biener  <rguenther@suse.de>
12065             Tom de Vries  <tom@codesourcery.com>
12067         * graph.c: Include dumpfile.h.
12068         (print_graph_cfg): Split into three overloads.
12069         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
12071 2016-02-22  Tom de Vries  <tom@codesourcery.com>
12073         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
12074         dump-fn.
12076 2016-02-22  Richard Biener  <rguenther@suse.de>
12078         PR ipa/37448
12079         * ipa-inline-transform.c (inline_call): When not updating
12080         overall summaries adjust self size by the growth estimate.
12081         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
12082         hash-set, do not update overall summaries here.  Renamed from ...
12083         (inline_to_all_callers): ... this which is now wrapping the
12084         above and performing delayed overall summary update.
12085         (early_inline_small_functions): Delay updating of the overall
12086         summary.
12088 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
12090         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
12091         variable.
12093 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12095         PR driver/69805
12096         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
12097         :%* in %:gt() argument.
12098         (greater_than_spec_func): Adjust for expecting only numbers,
12099         if there are more than two numbers, compare the last two.
12101 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
12103         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
12104         -Wnarrowing with -std.
12106 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12108         PR c++/69851
12109         * expr.c (store_field): Don't use bit-field path if exp is
12110         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
12111         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
12112         and the assignment can be performed by bitwise copy.  Formatting
12113         fix.
12115         PR middle-end/69838
12116         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
12117         call copy_reg_eh_region_note_forward on before and/or after sequences
12118         and remove note from insn if it no longer can throw.
12120         PR target/69820
12121         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
12122         if TARGET_AVX512BW.
12124 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12126         * config/s390/vector.md: Add missing commutative operand markers
12127         to the patterns which qualify for one.
12128         * config/s390/vx-builtins.md: Likewise.
12130 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12132         * config/s390/vector.md (VI, VI_QHS): Add single element vector
12133         types to mode iterators.
12134         (vec_double): ... and mode attribute.
12135         * config/s390/vx-builtins.md (non_vec_int): Likewise.
12137 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12139         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
12140         Change the predicate of op2 from nonimmediate to general and let
12141         reload fix it if necessary.
12143 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12145         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
12147 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12149         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
12150         mode.
12152 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12154         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
12155         * config/s390/s390.c (s390_expand_vec_movstr): New function.
12156         * config/s390/s390.md ("movstr<P:mode>"): Call
12157         s390_expand_vec_movstr.
12159 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12161         * config/s390/s390.md: Add missing output modifier for operand 1
12162         to print it as address properly.
12164 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12166         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
12167         * config/s390/2964.md: New file.
12168         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
12169         of insn grouping attributes depending on the CPU level.
12170         (s390_get_unit_mask): New function.
12171         (s390_sched_score): Remove the OOO from the scheduling macros.
12172         Add loop to calculate a score for the instruction mix.
12173         (s390_sched_reorder): Likewise plus improve debug output.
12174         (s390_sched_variable_issue): Rename macros as above.  Calculate
12175         the unit distances after actually scheduling an insn.  Improve
12176         debug output.
12177         (s390_sched_init): Clear last_scheduled_unit_distance array.
12178         * config/s390/s390.md: Include 2964.md.
12180 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12182         PR target/69671
12183         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
12184         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
12185         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
12186         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
12187         *avx512f_<code>v8div16qi2_mask_1): New insns.
12189 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
12191         PR target/68404
12192         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
12193         2016-02-09 change.
12195         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
12196         earlyclobber from target.  Use wF constraint for fused memory
12197         address.
12198         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
12200 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12201             Martin Liska  <mliska@suse.cz>
12203         PR sanitizer/69863
12204         * cfgexpand.c (asan_sanitize_stack_p): New function.
12205         (partition_stack_vars): Use the function.
12206         (expand_stack_vars): Likewise.
12207         (defer_stack_allocation): Likewise.
12208         (expand_used_vars): Likewise.
12210 2016-02-18  Richard Biener  <rguenther@suse.de>
12212         PR middle-end/69553
12213         * fold-const.c (operand_equal_p): Properly compare offsets for
12214         IMAGPART_EXPR and ARRAY_REF.
12216 2016-02-18  Nick Clifton  <nickc@redhat.com>
12218         PR target/62254
12219         PR target/69610
12220         * config/arm/arm.c (arm_option_override_internal): Disable
12221         interworking if the target does not support thumb instructions.
12222         (arm_reload_in_hi): Handle the case where a register to register
12223         move needs reloading because there is no simple pattern to handle
12224         it.
12225         (arm_reload_out_hi): Likewise.
12227 2016-02-18  Richard Biener  <rguenther@suse.de>
12229         PR middle-end/69854
12230         * match.pd: Don't use fold_binary or fold_unary for folding
12231         constants.
12233 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
12235         PR c++/69850
12236         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
12237         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
12238         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
12239         warn on gimple_no_warning_p statements.
12241 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
12243         * doc/extend.texi (C++ Attributes): Correct description of
12244         warn_unused type attribute.
12246 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12248         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
12249         correct instruction.
12251 2016-02-17  Richard Biener  <rguenther@suse.de>
12253         PR rtl-optimization/69609
12254         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
12255         (find_traces_1_round): When ending a trace update cached priority
12256         of successors.
12257         (bb_to_key): Use cached priority when available.
12258         (copy_bb): Initialize cached priority.
12259         (reorder_basic_blocks_software_trace_cache): Likewise.
12261 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12263         PR target/69161
12264         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
12265         New predicate.
12266         (aarch64_comparison_operator): Break overly long line into two.
12267         (aarch64_comparison_operation): Likewise.
12268         * config/aarch64/aarch64.md (cstorecc4): Use
12269         aarch64_comparison_operator_mode instead of
12270         aarch64_comparison_operator.
12271         (cstore<mode>4): Likewise.
12272         (aarch64_cstore<mode>): Likewise.
12273         (*cstoresi_insn_uxtw): Likewise.
12274         (cstore<mode>_neg): Likewise.
12275         (*cstoresi_neg_uxtw): Likewise.
12277 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12279         PR target/69161
12280         * config/arm/predicates.md (arm_comparison_operator_mode):
12281         New predicate.
12282         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
12283         instead of arm_comparison_operator.
12284         (*mov_negscc): Likewise.
12285         (*mov_notscc): Likewise.
12286         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
12287         (*thumb2_mov_negscc): Likewise.
12288         (*thumb2_mov_negscc_strict_it): Likewise.
12289         (*thumb2_mov_notscc): Likewise.
12290         (*thumb2_mov_notscc_strict_it): Likewise.
12292 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
12294         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
12295         Add missing return.
12297 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
12299         * config/visium/visium.c (machine_libfunc_index): New enum.
12300         (machine_libfuncs): New structure.
12301         (visium_libfuncs): New static variable.
12302         (TARGET_INIT_LIBFUNCS): Define to...
12303         (visium_init_libfuncs): ...this.  New function.
12304         (expand_block_move_4): Use the appropriate libfunc.
12305         (expand_block_move_2): Likewise.
12306         (expand_block_move_1): Likewise.
12307         (expand_block_set_4): Likewise.
12308         (expand_block_set_2): Likewise.
12309         (expand_block_set_1): Likewise.
12310         (visium_trampoline_init): Likewise.
12312 2016-02-17  Nick Clifton  <nickc@redhat.com>
12314         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
12315         TI's devices.csv file as of March 2016.
12317 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
12319         PR Target/48344
12320         * opts-global.c (handle_common_deferred_options): Introduce and
12321         initialize two global variables to remember command-line options
12322         specifying a stack-limiting register.
12323         * opts.h: Add extern declarations of the two new global variables.
12324         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
12325         variable based on the values of the two new global variables.
12327 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12329         PR c/69835
12330         * common.opt (Wnonnull-compare): New warning.
12331         * doc/invoke.texi (-Wnonnull): Remove text about comparison
12332         of arguments against NULL.
12333         (-Wnonnull-compare): Document.
12334         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
12335         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
12336         * passes.def (pass_warn_nonnull_compare): Add.
12337         * gimple-ssa-nonnull-compare.c: New file.
12339 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12341         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
12342         AARCH64_EXTRA_TUNE_RECIP_SQRT.
12344 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12346         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
12347         reciprocal sqrt for -mlow-precision-recip-sqrt.
12349 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12350             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12352         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
12353         always use lane loads to construct non-constant vectors.
12355 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12357         * config/aarch64/aarch64.md
12358         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
12359         constraints for operand 3.
12360         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
12362 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12363             Richard Biener  <rguenther@suse.de>
12365         PR tree-optimization/69820
12366         * tree-vect-patterns.c (type_conversion_p): Return false if
12367         *orig_type is unsigned single precision or boolean.
12368         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12369         Formatting fix.
12371 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12373         PR rtl-optimization/69764
12374         PR rtl-optimization/69771
12375         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
12376         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
12378 2016-02-16  Richard Biener  <rguenther@suse.de>
12380         PR tree-optimization/69776
12381         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
12382         sets from caller.
12383         (indirect_refs_may_alias_p): Likewise.
12384         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
12385         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
12386         according to tbaa_p.
12387         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
12388         (optimize_stmt): For redundant store discovery do not allow tbaa.
12390 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
12392         PR tree-optimization/69714
12393         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
12394         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
12396 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
12398         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
12399         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
12400         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
12401         * config/arc/arc.c (arc_init): Check FPU options.
12402         (get_arc_condition_code): Handle new CC_FPU* modes.
12403         (arc_select_cc_mode): Likewise.
12404         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
12405         register pair only. Allow access for ARCv2 accumulator.
12406         (gen_compare_reg): Whenever we have FPU support use FPU compare
12407         instructions.
12408         (arc_reorg): Don't generate brcc insns when FPU compare
12409         instructions are involved.
12410         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
12411         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
12412         floating point emulation.
12413         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
12414         (REVERSE_CONDITION): Add new CC_FPU* modes.
12415         (TARGET_FP_SP_BASE): Define.
12416         (TARGET_FP_DP_BASE): Likewise.
12417         (TARGET_FP_SP_FUSED): Likewise.
12418         (TARGET_FP_DP_FUSED): Likewise.
12419         (TARGET_FP_SP_CONV): Likewise.
12420         (TARGET_FP_DP_CONV): Likewise.
12421         (TARGET_FP_SP_SQRT): Likewise.
12422         (TARGET_FP_DP_SQRT): Likewise.
12423         (TARGET_FP_DP_AX): Likewise.
12424         * config/arc/arc.md (ARCV2_ACC): New constant.
12425         (type): New fpu type attribute.
12426         (SDF): Conditional iterator.
12427         (cstore<mode>, cbranch<mode>): Change expand condition.
12428         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
12429         handles FPU/FPX cases as well.
12430         * config/arc/arc.opt (mfpu): New option.
12431         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
12432         Renamed.
12433         (adddf3, muldf3, subdf3): Removed.
12434         * config/arc/predicates.md (proper_comparison_operator): Recognize
12435         CC_FPU* modes.
12436         * config/arc/fpu.md: New file.
12437         * doc/invoke.texi (ARC Options): Document mfpu option.
12439 2016-02-16  Richard Biener  <rguenther@suse.de>
12441         PR rtl-optimization/69291
12442         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
12443         noce_operand_ok check.
12445 2016-02-16  Tom de Vries  <tom@codesourcery.com>
12447         PR lto/67709
12448         * omp-low.c (simd_clone_create): Remove call to
12449         symtab->call_cgraph_insertion_hooks.
12451 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12453         PR tree-optimization/69802
12454         * tree-ssa-reassoc.c (update_range_test): If op is
12455         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12456         op == 1 test of precision 1 integral op, otherwise handle
12457         that case as op itself.  Fix up formatting.
12458         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12459         up formatting.
12461 2016-02-16  Richard Biener  <rguenther@suse.de>
12463         PR tree-optimization/69586
12464         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12465         types for conversion sources.
12467 2016-02-16  Richard Biener  <rguenther@suse.de>
12469         PR middle-end/69801
12470         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12471         mask OEP_ADDRESS_OF.
12473 2016-02-16  Alan Modra  <amodra@gmail.com>
12475         PR target/68973
12476         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12477         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12478         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12479         (p8_mtvsrwz): New.
12480         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12481         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12482         (p8_fmrgow_<mode>): Likewise.
12483         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12484         changes.
12485         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12486         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12487         to use movdi_internal64.  Remove op0_di.
12488         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12490 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12492         Add support for the FCCMP insn types
12494         * config/aarch64/aarch64.md (fccmp): Change insn type.
12495         (fccmpe): Likewise.
12496         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12497         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12498         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12499         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12500         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12501         * config/arm/types.md (fccmps): Add new insn type.
12502         (fccmpd): Likewise.
12504 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12506         * alias.c (get_alias_set): Fix a typo in comment.
12508 2016-02-15  Richard Biener  <rguenther@suse.de>
12510         PR tree-optimization/69595
12511         * match.pd: Complete range test simplification to true.
12513 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12515         PR rtl-optimization/69648
12516         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12517         pic_offset_table_rtx.
12519         PR rtl-optimization/69752
12520         * ira.c (update_equiv_regs): When looking for more than a single SET,
12521         also take other side effects into account.
12523 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12525         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12526         for z900+ CPUs in 31-bit mode.
12528 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12530         * common/config/s390/s390-common.c (s390_supports_split_stack):
12531         New function.
12532         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12533         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12534         * config/s390/s390.c (struct machine_function): New field
12535         split_stack_varargs_pointer.
12536         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12537         in s390_emit_prologue.
12538         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12539         vararg pointer.
12540         (morestack_ref): New global.
12541         (SPLIT_STACK_AVAILABLE): New macro.
12542         (s390_expand_split_stack_prologue): New function.
12543         (s390_live_on_entry): New function.
12544         (s390_va_start): Use split-stack vararg pointer if appropriate.
12545         (s390_asm_file_end): Emit the split-stack note sections.
12546         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12547         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12548         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12549         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12550         (split_stack_prologue): New expand.
12551         (split_stack_space_check): New expand.
12552         (split_stack_data): New insn.
12553         (split_stack_call): New expand.
12554         (split_stack_call_*): New insn.
12555         (split_stack_cond_call): New expand.
12556         (split_stack_cond_call_*): New insn.
12558 2016-02-15  Richard Biener  <rguenther@suse.de>
12560         PR tree-optimization/69783
12561         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12562         Add trivially correct cases.
12564 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12566         PR lto/69655
12567         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12568         do_force_output.
12569         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12571 2016-02-15  Richard Biener  <rguenther@suse.de>
12573         PR tree-optimization/69776
12574         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12575         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12576         indicate whether we can use TBAA to disambiguate against stores.
12577         Use alias-set zero if not.
12578         (visit_reference_op_store): Do not use TBAA when looking up
12579         redundant stores.
12580         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12581         (eliminate_dom_walker::before_dom_children): But not when looking
12582         up redundant stores.
12584 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12586         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12588 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12590         *  config/i386/znver1.md
12591         (znver1_pop, znver1_pop_mem,
12592         znver1_load_imov_double_store,
12593         znver1_load_imov_direct_store,
12594         znver1_load_imov_direct_load,
12595         znver1_load_imov_double_load): Add new.
12596         (znver1_insn, znver1_insn_load): Add icmov type.
12597         (znver1_sseavx_fma,
12598         znver1_sseavx_fma_load,
12599         znver1_avx256_fma,
12600         znver1_avx256_fma_load): Fix pipe usage.
12602 2016-02-14  Alan Modra  <amodra@gmail.com>
12604         PR target/68973
12605         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12606         with an invalid hard reg, reload just the reg not the entire
12607         pre/post-inc/dec address expression.
12609 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12611         PR target/67260
12612         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12613         fixed R1_REG scratch reg.
12614         (sibcall_value_pcrel_fdpic): Likewise.
12616 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12618         PR target/67636
12619         PR target/64345
12620         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12622 2016-02-12  Walter Lee  <walt@tilera.com>
12624         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12625         * config/tilegx/t-tilegx: Likewise.
12627 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12629         PR other/69554
12630         * diagnostic-show-locus.c (struct line_span): New struct.
12631         (layout::get_first_line): Delete.
12632         (layout::get_last_line): Delete.
12633         (layout::get_num_line_spans): New member function.
12634         (layout::get_line_span): Likewise.
12635         (layout::print_heading_for_line_span_index_p): Likewise.
12636         (layout::get_expanded_location): Likewise.
12637         (layout::calculate_line_spans): Likewise.
12638         (layout::m_first_line): Delete.
12639         (layout::m_last_line): Delete.
12640         (layout::m_line_spans): New field.
12641         (layout::layout): Update comment.  Replace m_first_line and
12642         m_last_line with m_line_spans, replacing their initialization
12643         with a call to calculate_line_spans.
12644         (diagnostic_show_locus): When printing source lines and
12645         annotations, rather than looping over a single span
12646         of lines, instead loop over each line_span within
12647         the layout, with an inner loop over the lines within them.
12648         Call the context's start_span callback when changing line spans.
12649         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12650         (diagnostic_build_prefix): Break out the building of the location
12651         part of the string into...
12652         (diagnostic_get_location_text): ...this new function, rewriting
12653         it from nested ternary expressions to a sequence of "if"
12654         statements.
12655         (default_diagnostic_start_span_fn): New function.
12656         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12657         (diagnostic_context::start_span): New field.
12658         (default_diagnostic_start_span_fn): New prototype.
12660 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12662         PR driver/69779
12663         * gcc.c (driver::finalize): Fix cleanup of "specs".
12665 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12667         PR driver/69265
12668         PR driver/69453
12669         * gcc.c (driver::driver): Initialize m_option_suggestions.
12670         (driver::~driver): Clean up m_option_suggestions.
12671         (suggest_option): Convert to...
12672         (driver::suggest_option): ...this, and split out into
12673         driver::build_option_suggestions and find_closest_string.
12674         (driver::build_option_suggestions): New function, from
12675         first half of suggest_option.  Special-case
12676         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12677         the sanitizer_opts array.  For options of enum types, add the
12678         various enum values to the candidate strings.
12679         (driver::handle_unrecognized_options): Remove "const".
12680         * gcc.h (driver::handle_unrecognized_options): Likewise.
12681         (driver::build_option_suggestions): New decl.
12682         (driver::suggest_option): New decl.
12683         (driver::m_option_suggestions): New field.
12684         * opts-common.c (add_misspelling_candidates): New function.
12685         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12686         and make non-static.
12687         * opts.h (sanitizer_opts): New array decl.
12688         (add_misspelling_candidates): New function decl.
12689         * spellcheck.c (find_closest_string): New function.
12690         * spellcheck.h (find_closest_string): New function decl.
12692 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12694         PR rtl-optimization/69764
12695         PR rtl-optimization/69771
12696         * optabs.c (expand_binop_directly): For shift_optab_p, force
12697         convert_modes with VOIDmode if xop1 has VOIDmode.
12699 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12701         PR target/69729
12702         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12703         to correctly determine instrumentation thunks.
12705 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12707         PR ipa/69241
12708         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12709         type by reference, force lhs on the call.
12711         PR ipa/68672
12712         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12713         Compute retval and retbnd early in all cases if split_part_return_p
12714         and return_bb is not EXIT.  Remove all clobber stmts and reset
12715         all debug stmts that refer to SSA_NAMEs defined in split part,
12716         except if it is retval, in that case replace the old retval with the
12717         lhs of the call to the split part.
12719 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12721         revert:
12722         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12724         PR middle-end/66726
12725         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12726         whose result is used in PHI.
12727         (maybe_optimize_range_tests): Likewise.
12728         (final_range_test_p): Likweise.
12730 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12732         PR middle-end/66726
12733         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12734         whose result is used in PHI.
12735         (maybe_optimize_range_tests): Likewise.
12736         (final_range_test_p): Likweise.
12738 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12740         * cgraph.c: Spelling fixes - behaviour -> behavior and
12741         neighbour -> neighbor.
12742         * target.def: Likewise.
12743         * sel-sched.c: Likewise.
12744         * config/mips/mips.c: Likewise.
12745         * config/arc/arc.md: Likewise.
12746         * config/arm/cortex-a57.md: Likewise.
12747         * config/arm/arm.c: Likewise.
12748         * config/arm/neon.md: Likewise.
12749         * config/arm/arm-c.c: Likewise.
12750         * config/vms/vms-c.c: Likewise.
12751         * config/s390/s390.c: Likewise.
12752         * config/i386/znver1.md: Likewise.
12753         * config/i386/i386.c: Likewise.
12754         * config/ia64/hpux-unix2003.h: Likewise.
12755         * config/msp430/msp430.md: Likewise.
12756         * config/rx/rx.c: Likewise.
12757         * config/rx/rx.md: Likewise.
12758         * config/aarch64/aarch64-simd.md: Likewise.
12759         * config/aarch64/aarch64.c: Likewise.
12760         * config/nvptx/nvptx.c: Likewise.
12761         * config/bfin/bfin.c: Likewise.
12762         * config/cris/cris.opt: Likewise.
12763         * config/rs6000/rs6000.c: Likewise.
12764         * target.h: Likewise.
12765         * spellcheck.c: Likewise.
12766         * ira-build.c: Likewise.
12767         * tree-inline.c: Likewise.
12768         * builtins.c: Likewise.
12769         * lra-constraints.c: Likewise.
12770         * explow.c: Likewise.
12771         * hwint.h: Likewise.
12772         * targhooks.c: Likewise.
12773         * tree-vect-data-refs.c: Likewise.
12774         * expr.c: Likewise.
12775         * doc/tm.texi: Likewise.
12776         * doc/extend.texi: Likewise.
12777         * doc/install.texi: Likewise.
12778         * doc/md.texi: Likewise.
12779         * tree-ssa-tail-merge.c: Likewise.
12780         * sched-int.h: Likewise.
12781         * match.pd: Likewise.
12782         * sched-ebb.c: Likewise.
12783         * target.def (omit_struct_return_reg): Likewise.
12784         * gimple-ssa-isolate-paths.c: Likewise.
12785         (find_implicit_erroneous_behaviour): Renamed to...
12786         (find_implicit_erroneous_behavior): ... this.
12787         (find_explicit_erroneous_behaviour): Renamed to...
12788         (find_explicit_erroneous_behavior): ... this.
12789         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12791 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12793         PR rtl-optimization/64682
12794         PR rtl-optimization/69567
12795         PR rtl-optimization/69737
12796         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12797         in I2 as well, just lose it.
12799 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12801         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12802         New variable.
12803         (aarch64_last_printed_tune_string): Likewise.
12804         (aarch64_declare_function_name): Only output .arch assembler
12805         directive if it will be different from the previously output
12806         directive.  Same for .tune comment but only if -dA is set.
12807         (aarch64_start_file): New function.
12808         (TARGET_ASM_FILE_START): Define.
12810 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12812         PR plugins/69758
12813         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12815 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12817         PR target/65313
12818         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12819         -Wmaybe-uninitialized warning.
12821 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12823         PR target/69713
12824         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12826 2016-02-11  Richard Biener  <rguenther@suse.de>
12828         PR rtl-optimization/69291
12829         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12830         subexpressions affected by changing the result.
12832 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12834         PR target/69148
12835         * lra-constraints.c (curr_insn_transform): Find in/out operands
12836         for secondary memory moves.  Update dups.
12838 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12840         PR tree-optimization/69652
12841         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12842         to nested loop, did source re-formatting, skip debug statements,
12843         add check on statement with volatile operand, remove dead scalar
12844         statements.
12846 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12847             Patrick Palka  <ppalka@gcc.gnu.org>
12849         PR ipa/69241
12850         PR c++/69649
12851         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12852         calls if the return type is TREE_ADDRESSABLE.
12853         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12854         * ipa-split.c (split_function): Fix doubled "we" in comment.
12855         Use void return type for the split part even if
12856         !split_point->split_part_set_retval.
12858 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12860         PR tree-optimization/68021
12861         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12862         when computing the value of biv cand by itself.
12864 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12866         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12867         (cortexa57_tunings): Likewise.
12868         (cortexa72_tunings): Likewise.
12869         (arch_macro_fusion_pair_p): Add support for AES fusion.
12870         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12871         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12872         Allow virtual registers before reload so early scheduling works.
12873         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12874         correct latency and pipeline.
12875         (cortex_a57_crypto_complex): Likewise.
12876         (cortex_a57_crypto_xor): Likewise.
12877         (define_bypass): Add AES bypass.
12879 2016-02-10  Richard Biener  <rguenther@suse.de>
12881         PR tree-optimization/69726
12882         * passes.def: Add DCE pass before late uninit.
12883         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12884         really fixup if-conversions job.
12886 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12888         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12889         (arm_cortex_a57_tune): Likewise.
12890         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12891         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12893 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12895         * timevar.def (TV_PHASE_DBGINFO): Delete.
12896         (TV_PHASE_CHECK_DBGINFO): Likewise.
12897         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12899 2016-02-10  Richard Biener  <rguenther@suse.de>
12901         PR tree-optimization/69719
12902         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12903         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12905 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12907         PR tree-opt/69282
12908         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12909         get_vcond_mask_icode returns false.
12911 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12913         PR target/68404
12914         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12915         an ADDIS that adds a pointer to a large constant that sets the
12916         upper16 bits with a load operation.
12918 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12920         PR target/68532
12921         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12922         order.
12923         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12924         endian.
12925         (vzipq_s16): Likewise.
12926         (vzipq_s32): Likewise.
12927         (vzipq_f32): Likewise.
12928         (vzipq_u8): Likewise.
12929         (vzipq_u16): Likewise.
12930         (vzipq_u32): Likewise.
12931         (vzipq_p8): Likewise.
12932         (vzipq_p16): Likewise.
12934 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12936         PR target/68532
12937         * config/arm/arm.c (neon_endian_lane_map): New function.
12938         (neon_vector_pair_endian_lane_map): New function.
12939         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12940         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12941         endian.
12942         (vuzpq_s16): Likewise.
12943         (vuzpq_s32): Likewise.
12944         (vuzpq_f32): Likewise.
12945         (vuzpq_u8): Likewise.
12946         (vuzpq_u16): Likewise.
12947         (vuzpq_u32): Likewise.
12948         (vuzpq_p8): Likewise.
12949         (vuzpq_p16): Likewise.
12951 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12953         PR target/69634
12954         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12955         debug insns.
12957 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12959         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12960         truncate const_int operand 1 to QImode.
12962 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12964         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12965         corresponding to an abnormal edge.
12967 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12969         PR tree-optimization/69599
12970         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12971         function.
12972         (find_func_aliases_for_builtin_call, find_func_clobbers)
12973         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12974         partition.
12976 2016-02-09  Richard Biener  <rguenther@suse.de>
12978         PR tree-optimization/69715
12979         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12980         LHS on calls as non-rewritable.
12982 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12984         PR lto/69707
12985         * lto-wrapper.c (append_diag_options): New function.
12986         (compile_offload_image): Call append_diag_options.
12988 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12990         PR other/69722
12991         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12992         Minor copy-edit to fix verb tenses.
12994 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12996         PR tree-optimization/69209
12997         * ipa-split.c (split_function): If split part is not
12998         returning retval, retval has gimple type but is not
12999         gimple value, force it into a SSA_NAME first.
13001 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
13003         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
13004         outdated section.
13006 2016-02-08  Jason Merrill  <jason@redhat.com>
13008         PR c++/69631
13009         * convert.c (convert_to_integer_1): Check dofold on truncation
13010         distribution.
13011         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
13012         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
13013         Rename from *_nofold.
13014         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
13015         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
13017 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
13019         PR target/60410
13020         * tree.c (build_common_tree_nodes): Remove short_double argument.
13021         All callers changed.
13022         * tree.h (build_common_tree_nodes): Adjust declaration.
13023         * doc/invoke.texi (-fshort-double): Remove documentation.
13024         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
13025         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
13026         * lto-wrapper.c (merge_and_complain, append_compiler_options)
13027         (append_linker_options): Don't handle OPT_fshort_double.
13029         PR rtl-optimization/68730
13030         * lra-remat.c (insn_to_cand_activation): New static variable.
13031         (lra_remat): Allocate and free it.
13032         (create_cand): New arg activation. Initialize a field in
13033         insn_to_cand_activation if it is nonnull.
13034         (create_cands): Pass the activation insn to create_cand when making
13035         a candidate involving an output reload.  Reorganize code a little.
13036         (do_remat): Keep track of active status of candidates in a separate
13037         bitmap.
13039 2016-02-08  Richard Biener  <rguenther@suse.de>
13041         PR tree-optimization/69719
13042         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13043         Properly use absolute of the difference of the two offsets to
13044         compare or adjust the segment length.
13046 2016-02-08  Richard Biener  <rguenther@suse.de>
13047             Jeff Law  <law@redhat.com>
13049         PR target/68273
13050         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
13051         types for anonymous SSA names.
13053 2016-02-08   Richard Biener  <rguenther@suse.de>
13055         PR rtl-optimization/69274
13056         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
13058 2016-02-08  Jeff Law  <law@redhat.com>
13060         PR tree-optimization/65917
13061         * tree-ssa-dom.c (record_temporary_equivalences): Record both
13062         equivalences from if (x == y) style conditionals.
13063         (loop_depth_of_name): Remove.
13064         (record_equality): Remove loop depth check.
13065         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
13066         (const_and_copies::record_const_or_copy_raw): New member function.
13067         * tree-ssa-scopedtables.c
13068         (const_and_copies::record_const_or_copy_raw): New, factored out of
13069         (const_and_copies::record_const_or_copy): Call new member function.
13071 2016-02-05  Jeff Law  <law@redhat.com>
13073         PR tree-optimization/68541
13074         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
13075         (count_stmts_in_block): New function.
13076         (poor_ifcvt_candidate_code): Likewise.
13077         (is_feasible_trace): Add some heuristics to determine when path
13078         splitting is profitable.
13079         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
13080         is a diamond with a single exit.
13082 2016-02-05  Martin Sebor  <msebor@redhat.com>
13084         PR c++/69662
13085         * doc/invoke.texi: Update -Wplacement-new to take an optional
13086         argument.
13088 2016-02-06  Richard Henderson  <rth@redhat.com>
13090         PR c/69643
13091         * tree.c (tree_nop_conversion_p): Do not strip casts into or
13092         out of non-standard address spaces.
13094 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13096         PR rtl-optimization/69691
13097         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
13099 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
13101         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
13102         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
13103         (*ieee128_mfvsrd_64bit): Likewise.
13104         (*ieee128_mfvsrd_32bit): Likewise.
13106 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
13108         PR target/69369
13109         Revert r232560:
13110         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
13112         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
13113         instrumented_version.
13115 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
13117         * doc/invoke.texi (Optimize Options): In table of --param options
13118         rename second occurrence of tracer-min-branch-ratio to
13119         tracer-min-branch-probability, rename
13120         tracer-min-branch-ratio-feedback to
13121         tracer-min-branch-probability-feedback and clarify description,
13122         rename sched-spec-state-edge-prob-cutoff to
13123         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
13124         to selsched-insns-to-rename, rename lto-minpartition to
13125         lto-min-partition, delete reorder-blocks-duplicate and
13126         reorder-blocks-duplicate-feedback.
13128 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13130         * config/s390/s390.c (s390_register_info_set_ranges): Remove
13131         superfluous loops.
13133 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13135         * doc/extend.texi: S/390: Correct some typos.
13137 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13139         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
13141 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13143         PR target/69625
13144         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
13145         (s390_register_info_gprtofpr): Use new macros above.
13146         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
13147         its name.
13148         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
13149         its name.  Adjust restore and save gpr ranges.
13150         (s390_register_info_set_ranges): New function.
13151         (s390_register_info): Use new macros above.  Call
13152         s390_register_info_set_ranges.
13153         (s390_optimize_register_info): Likewise.
13154         (s390_hard_regno_rename_ok): Use new macros.
13155         (s390_hard_regno_scratch_ok): Likewise.
13156         (s390_emit_epilogue): Likewise.
13157         (s390_can_use_return_insn): Likewise.
13158         (s390_optimize_prologue): Likewise.
13159         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
13161 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13163         PR bootstrap/69677
13164         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
13165         alignment fixes.
13166         (ix86_option_override_internal): Disable TARGET_STV even for
13167         -m{incoming,preferred}-stack-boundary=3.
13169 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13171         * config.gcc: Mark deprecated rtems targets as obsolete.
13173 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
13175         PR rtl-optimization/64682
13176         PR rtl-optimization/69567
13177         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
13178         before I2 only if the register is both used and set in I2.
13180 2016-02-04  DJ Delorie  <dj@redhat.com>
13182         * config/msp430/msp430.c (msp430_start_function): Add function type.
13184 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13186         PR fortran/69368
13187         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
13189 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
13191         PR rtl-optimization/69577
13192         Revert:
13193         2015-10-29  Richard Henderson  <rth@redhat.com>
13195         PR target/68124
13196         PR rtl-opt/67609
13197         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
13198         sse check to the exact conditions of PR 67609.
13200 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13202         PR target/69667
13203         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
13204         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
13205         not allowed into the traditional Altivec registers.
13206         (movtd_64bit_nodm): Likewise.
13207         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
13209 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
13211         * config/aarch64/cortex-a57-fma-steering.c
13212         (aarch64_register_fma_steering): Remove "static" from arguments
13213         to register_pass.
13215 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
13217         PR target/69619
13218         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
13219         twice when complex.
13221 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
13223         * doc/invoke.texi: Delete -mno-fma4.
13225 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
13227         PR rtl-optimization/69577
13228         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
13229         (find_subregs_of_mode): Update accordingly.  Iterate over partial
13230         definitions.
13232 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
13234         * config/arm/arm-protos.h (neon_reinterpret): Remove.
13235         * config/arm/arm.c (neon_reinterpret): Remove.
13236         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
13237         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
13238         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
13239         vreinterpretti): Remove.
13240         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
13241         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
13242         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
13243         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
13244         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
13245         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
13246         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
13247         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
13248         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
13249         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
13250         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
13251         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
13252         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
13253         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
13254         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
13255         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
13256         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
13257         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
13258         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
13259         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
13260         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
13261         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
13262         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
13263         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
13264         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
13265         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
13266         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
13267         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
13268         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
13269         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
13270         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
13271         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
13272         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
13273         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
13274         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
13275         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
13276         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
13277         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
13278         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
13279         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
13280         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
13281         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
13282         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
13283         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
13284         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
13285         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
13286         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
13287         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
13288         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
13289         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
13290         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
13291         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
13292         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
13293         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
13294         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
13295         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
13296         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
13297         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
13298         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
13299         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
13300         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
13301         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
13302         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
13303         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
13304         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
13305         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
13306         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
13307         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
13308         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
13309         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
13310         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
13311         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
13312         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
13313         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
13314         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
13315         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
13316         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
13317         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
13318         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
13319         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
13320         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
13321         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
13322         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
13323         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
13324         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
13325         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
13326         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
13327         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
13328         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
13329         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
13330         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
13331         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
13332         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
13333         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
13334         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
13335         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
13336         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
13337         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
13338         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
13339         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
13340         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
13341         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
13342         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
13344 2016-02-04  Martin Liska  <mliska@suse.cz>
13346         PR sanitizer/69276
13347         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
13348         that are gimple_store_p.
13349         (maybe_instrument_call): Likewise.
13351 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
13353         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
13354         register scaling out of memory reference and comment why.
13356 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13358         PR target/65932
13359         PR target/67714
13360         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
13361         folding the source of a SET.
13363 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13365         PR target/65932
13366         PR target/67714
13367         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13368         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13370 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
13372         PR target/65932
13373         PR target/67714
13374         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
13375         HImode.
13377 2016-02-04  Christian Bruel  <christian.bruel@st.com>
13379         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
13380         * config/arm/arm.c (arm_set_current_function): Likewise.
13382 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13383             Ilya Enkovich  <enkovich.gnu@gmail.com>
13384             H.J. Lu  <hongjiu.lu@intel.com>
13386         PR target/69454
13387         * config/i386/i386.c (convert_scalars_to_vector): Remove
13388         stack alignment fixes.
13389         (ix86_option_override_internal): Disable TARGET_STV if stack
13390         might not be aligned enough.
13391         (ix86_minimum_alignment): Assert that TARGET_STV is false.
13393 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
13395         * config/i386/x86-tune.def: Disable default prefetching
13396         for -march=znver1.
13398 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13399             Vladimir Makarov  <vmakarov@redhat.com>
13401         PR target/69461
13402         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
13403         in validating fused toc addresses.
13405 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
13407         PR c/69627
13408         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
13409         range->m_caret fields if range->m_show_caret_p is false.
13411         PR target/69644
13412         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13413         Force oldval into register if it does not satisfy reg_or_short_operand
13414         predicate.  Fix up formatting.
13416 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
13417             Alexandre Oliva  <aoliva@redhat.com>
13419         PR target/69461
13420         * lra-constraints.c (simplify_operand_subreg): Check additionally
13421         address validity after potential reloading.
13422         (process_address_1): Check insns validity.  In case of failure do
13423         nothing.
13425 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
13427         PR target/69118
13428         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
13429         Fix target.
13431 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
13433         * wide-int.cc (canonize_uhwi): New function.
13434         (wi::divmod_internal): Use it.
13436 2016-02-02  James Norris  <jnorris@codesourcery.com
13438         * gimplify.c (omp_notice_variable): Add usage check.
13440 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
13442         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
13443         like LE, GE, LT, GT when emitting relational operator.
13445 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13447         * ira-costs.c (find_costs_and_classes): Add extra argument.
13448         * target.def (ira_change_pseudo_allocno_class): Add parameter.
13449         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
13450         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
13451         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
13452         Add best_class parameter, and return it if not ALL_REGS.
13453         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
13454         Add parameter.
13455         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13456         Update target hook.
13458 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13460         * config/aarch64/aarch64.c
13461         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13462         (aarch64_ira_change_pseudo_allocno_class): New function.
13464 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13466         PR target/67032
13467         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13469 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13471         * config/avr/avr.c (avr_option_override): Set
13472         PARAM_ALLOW_STORE_DATA_RACES to 1.
13474 2016-02-02  Richard Biener  <rguenther@suse.de>
13476         PR tree-optimization/69595
13477         * match.pd: Add range test simplifications to true/false.
13479 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13481         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13482         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13483         instead.
13485 2016-02-02  Richard Biener  <rguenther@suse.de>
13487         PR tree-optimization/69606
13488         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13489         info on the result before moving a stmt.
13491 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13493         PR middle-end/68542
13494         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13495         branch with vector comparison.
13496         * config/i386/sse.md (VI48_AVX): New mode iterator.
13497         (define_expand "cbranch<mode>4): Add support for conditional branch
13498         with vector comparison.
13499         * tree-vect-loop.c (optimize_mask_stores): New function.
13500         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13501         has_mask_store field of vect_info.
13502         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13503         vectorized loops having masked stores after vec_info destroy.
13504         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13505         correspondent macros.
13506         (optimize_mask_stores): Add prototype.
13508 2016-02-02  Alan Modra  <amodra@gmail.com>
13510         PR target/69548
13511         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13512         allow subregs.
13514 2016-02-02  Alan Modra  <amodra@gmail.com>
13516         PR target/68662
13517         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13518         whenever toc_label_name used.
13519         (rs6000_file_start): Don't set up toc section here,
13520         (rs6000_output_function_epilogue): do so here instead,
13521         (rs6000_xcoff_file_start): and here.
13522         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13523         (load_toc_aix_di): Likewise.
13525 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13527         PR rtl-optimization/69592
13528         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13529         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13530         (num_sign_bit_copies_binary_arith_p): New inline function.
13531         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13533 2016-02-01  Jeff Law  <law@redhat.com>
13535         PR tree-optimization/69580
13536         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13537         * tree-ssa-threadbackward.c
13538         (fsm_find_control_statement_thread_paths): Do not try to walk
13539         through large PHI nodes.
13541 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13543         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13544         when count is incremented above limit, don't analyze further
13545         insns afterwards.
13547         * omp-low.c (oacc_parse_default_dims): Avoid
13548         -Wsign-compare warning, make sure value fits into int
13549         rather than just unsigned int.
13551 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13553         PR tree-optimization/67921
13554         * fold-const.c (split_tree): New parameters.  Convert pointer
13555         type variable part to proper type before negating.
13556         (fold_binary_loc): Pass new arguments to split_tree.
13558 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13560         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13561         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13562         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13563         * doc/tm.texti: Rebuilt.
13564         * doc/invoke.texi (fopenacc-dim): Document.
13565         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13566         (append_compiler_options): Likewise.
13567         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13568         (oacc_parse_default_dims): New.
13569         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13570         possible.
13571         (oacc_loop_fixed_partitions): Return mask of used partitions.
13572         (oacc_loop_auto_partitions): Emit dump info.
13573         (oacc_loop_partition): Return mask of used partitions.
13574         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13575         loop partitioning and validation calls.
13577 2016-02-01  Richard Biener  <rguenther@suse.de>
13579         PR middle-end/69556
13580         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13582 2016-02-01  Richard Biener  <rguenther@suse.de>
13584         PR tree-optimization/69574
13585         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13586         of asserting return chrec_dont_know.
13588 2016-02-01  Martin Liska  <mliska@suse.cz>
13590         * mem-stats-traits.h: Add copyright header.
13591         * mem-stats.h: Likewise.
13593 2016-02-01  Richard Biener  <rguenther@suse.de>
13595         PR tree-optimization/69579
13596         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13597         Do not propagate through abnormal PHI results.
13599 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13601         * postreload.c (reload_cse_simplify): Remove dead code.
13603 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13605         PR rtl-optimization/69570
13606         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13607         if there is more than one set, not if there is a single set.
13609 2016-02-01  Richard Henderson  <rth@redhat.com>
13611         PR rtl-opt/69535
13612         * combine.c (make_compound_operation): When looking through a
13613         subreg, make sure to re-extend to the width of the outer mode.
13615 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13617         PR tree-optimization/69546
13618         * wide-int.cc (wi::divmod_internal): For unsigned division
13619         where both operands fit into uhwi, if o1 is 1 and o0 has
13620         msb set, if divident_prec is larger than bits per hwi,
13621         clear another quotient word and return 2 instead of 1.
13622         Similarly for remainder with msb in HWI set, if dividend_prec
13623         is larger than bits per hwi.
13625 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13627         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13628         Use short lowercase names.
13629         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13630         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13631         acq_rel one.  Protect warning agains segfaults if
13632         get_memory_order_name returns NULL.
13633         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13634         with release semantics.  Do not warn if get_memory_order already did.
13635         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13636         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13637         if get_memory_order already did.
13639 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13641         * doc/install.texi: Document that isl-0.16 is supported.
13643 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13645         PR target/69299
13646         * config/i386/constraints.md (Bm): Describe as special memory
13647         constraint.
13648         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13649         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13650         * genpreds.c (struct constraint_data): Add is_special_memory.
13651         (have_special_memory_constraints, special_memory_start): New
13652         static vars.
13653         (special_memory_end): Ditto.
13654         (add_constraint): Add new arg is_special_memory.  Add code to
13655         process its true value.  Update have_special_memory_constraints.
13656         (process_define_constraint): Pass the new arg.
13657         (process_define_register_constraint): Ditto.
13658         (choose_enum_order): Process special memory.
13659         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13660         function insn_extra_special_memory_constraint.
13661         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13662         * gensupport.c (process_rtx): Process
13663         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13664         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13665         * ira-lives.c (single_reg_class): Use
13666         insn_extra_special_memory_constraint.
13667         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13668         * lra-constraints.c (process_alt_operands): Ditto.
13669         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13670         * recog.c (asm_operand_ok, preprocess_constraints): Process
13671         CT_SPECIAL_MEMORY.
13672         * reload.c (find_reloads): Ditto.
13673         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13674         * stmt.c (parse_input_constraint): Use
13675         insn_extra_special_memory_constraint.
13677 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13679         PR target/69530
13680         * lra-splill.c (lra_final_code_change): Revert r229087 by
13681         removing all sub-registers.
13683 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13685         PR target/65604
13686         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13688 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13690         PR target/69551
13691         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13692         SSE1, copy target into the temporary reg first before recursing
13693         on it.
13695 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13697         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13698         with vm.
13700 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13702         * ginclude/stdarg.h: Test __cplusplus instead of
13703         __GXX_EXPERIMENTAL_CXX0X__.
13705 2016-01-29  Richard Biener  <rguenther@suse.de>
13707         PR tree-optimization/69547
13708         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13709         Do not mark clobbers necessary.
13710         (mark_all_reaching_defs_necessary_1): Likewise.
13712 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13714         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13715         declaration name with %qs and print it in both error messages.
13716         Also fix indentation.
13718 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13720         PR other/69006
13721         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13722         trailing blank line from error message.
13724 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13726         PR c++/69462
13727         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13728         for C++-11.
13730 2016-01-29  Richard Biener  <rguenther@suse.de>
13732         PR middle-end/69537
13733         * match.pd: Allow all integral types when simplifying a
13734         widening or sign-changing conversion.
13736 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13738         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13739         back to setting codegen_error to fail codegen.
13741 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13743         PR target/69459
13744         * config/i386/constraints.md (C): Only accept constant zero operand.
13745         (BC): New constraint.
13746         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13747         instead of C constraint.
13748         * doc/md.texi (Machine Constraints): Update description
13749         of C constraint.
13751 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13753         PR target/68400
13754         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13756 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13758         PR middle-end/69542
13759         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13760         non-debug insns.
13762 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13764         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13765         branches if using guessed profile.
13767 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13769         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13771 2016-01-28  Richard Henderson  <rth@redhat.com>
13773         PR target/69305
13774         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13775         * config/aarch64/aarch64-protos.h: Update.
13776         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13777         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13778         (aarch64_get_condition_code_1): Handle CC_Cmode.
13779         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13780         (*add<mode>3_compareC_cconly_imm): New.
13781         (*add<mode>3_compareC_cconly): New.
13782         (*add<mode>3_compareC_imm): New.
13783         (add<mode>3_compareC): New.
13784         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13785         to be first.  Use aarch64_carry_operation.
13786         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13787         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13788         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13789         (subti3): Use subdi3_compare1.
13790         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13791         (sub<mode>3_compare1): New.
13792         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13793         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13794         (*subsi3_carryin_uxtw): Likewise.
13795         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13796         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13797         * config/aarch64/iterators.md (DWI): New.
13798         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13799         (aarch64_borrow_operation): New.
13801 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13803         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13804         message when isl does not return a valid schedule.
13806 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13808         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13809         Remove comments from class declarations: they are already in the code
13810         close by the defs.
13812 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13814         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13815         codegen_error_p.
13816         (ternary_op_to_tree): Same.
13817         (unary_op_to_tree): Same.
13818         (nary_op_to_tree): Same.
13819         (gcc_expression_from_isl_expr_op): Same.
13820         (gcc_expression_from_isl_expression): Same.
13821         (graphite_create_new_loop): Same.
13822         (graphite_create_new_loop_guard): Same.
13823         (build_iv_mapping): Same.
13824         (graphite_create_new_guard): Same.
13825         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13826         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13828 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13830         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13831         instead of setting codegen_error to fail codegen.
13833 2016-01-28  Jason Merrill  <jason@redhat.com>
13835         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13837 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13839         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13840         Remove CONST_INT_P check in CCMP cost calculation.
13842 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13844         * config/aarch64/aarch64.c (generic_vector_cost):
13845         Set vec_permute_cost.
13846         (cortexa57_vector_cost): Likewise.
13847         (exynosm1_vector_cost): Likewise.
13848         (xgene1_vector_cost): Likewise.
13849         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13850         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13851         Add vec_permute_cost entry.
13853 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13855         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13856         immediate as %1.
13857         (add<mode>3_compare0): Likewise.
13858         (addsi3_compare0_uxtw): Likewise.
13859         (add<mode>3nr_compare0): Likewise.
13860         (compare_neg<mode>): Likewise.
13861         (<optab><mode>3): Likewise.
13863 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13865         * tree-vect-stmts.c (vectorizable_comparison): Add
13866         NULL check for vectype.
13868 2016-01-28  Richard Biener  <rguenther@suse.de>
13870         PR tree-optimization/69466
13871         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13872         Account for PHIs we couldn't duplicate.
13874 2016-01-28  Martin Liska  <mliska@suse.cz>
13876         PR pch/68758
13877         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13878         instead of ENABLE_VALGRIND_CHECKING.
13880 2016-01-27  Richard Henderson  <rth@redhat.com>
13882         PR rtl-opt/69447
13883         * lra-remat.c (subreg_regs): New.
13884         (dump_candidates_and_remat_bb_data): Dump it.
13885         (operand_to_remat): Reject if operand in subreg_regs.
13886         (set_bb_regs): Collect subreg_regs.
13887         (lra_remat): Init and free subreg_regs.  Compute
13888         calculate_local_reg_remat_bb_data before create_cands.
13890 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13892         PR target/68986
13893         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13894         change stack_alignment_needed for __tls_get_addr call.
13896 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13898         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13900 2016-01-27  Jeff Law  <law@redhat.com>
13902         PR tree-optimization/68398
13903         PR tree-optimization/69196
13904         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13905         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13906         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13907         Only count PHIs in the last block in the path.  The others will
13908         const/copy propagate away.  Add heuristic to allow more irreducible
13909         subloops to be created when it is likely profitable to do so.
13911         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13912         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13913         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13915 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13917         PR lto/69254
13918         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13919         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13920         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13921         * tree-streamer-in.c: Include asan.h.
13922         (streamer_get_builtin_tree): For builtins in sanitizer
13923         range call initialize_sanitizer_builtins and retry.
13925 2016-01-27  Ian Lance Taylor  <iant@google.com>
13927         * common.opt (fkeep-gc-roots-live): New undocumented option.
13928         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13929         -fkeep-gc-roots-live, skip pointers.
13930         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13931         NULL.
13933 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13935         PR target/69512
13936         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13937         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13939 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13941         PR target/68380
13942         * configure.ac: NetBSD provides SSP in its C library.
13943         * configure: Updated.
13945 2016-01-27  Richard Biener  <rguenther@suse.de>
13947         PR tree-optimization/69166
13948         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13949         reduction code for commutativity / associativity.
13951 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13953         PR tree-optimization/69355
13954         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13955         total_scalarization fails.
13957 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13959         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13960         power9.
13962 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13964         PR target/69245
13965         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13966         Move arm_reset_previous_fndecl and set_target_option_current_node in
13967         the conditional part.  Call save_restore_target_globals.
13968         * config/arm/arm.c (arm_set_current_function):
13969         Refactor to better support #pragma target and attribute mix.
13970         Call save_restore_target_globals.
13971         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13973 2016-01-27  Martin Liska  <mliska@suse.cz>
13975         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13976         reference for an HSA kernel and its host function.
13978 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13980         PR tree-optimization/69399
13981         * wide-int.h (wi::lrshift): For larger precisions, only
13982         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13984 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13986         * config/arc/predicates.md (proper_comparison_operator): Reject
13987         constant-constant comparison.
13989 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13991         PR tree-optimization/69110
13992         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13993         DR_NUM_DIMENSIONS == 0.
13995 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13996             Sebastian Pop  <s.pop@samsung.com>
13998         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13999         isl_ast_op_cond and isl_ast_op_select.
14000         (gcc_expression_from_isl_expr_op): Same.
14002 2016-01-26  Jason Merrill  <jason@redhat.com>
14004         PR c++/68782
14005         * tree.c (recompute_constructor_flags): Split out from
14006         build_constructor.
14007         (verify_constructor_flags): New.
14008         * tree.h: Declare them.
14010 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14012         PR rtl-optimization/69217
14013         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
14014         are no TYPE_FIELDS set for the record type.
14016 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14018         PR target/68662
14019         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
14020         toc_label_name unconditionally.
14021         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
14022         SYMBOL_REF string.  Use toc_label_name instead of constructing
14023         LCTOC1.
14024         (rs6000_elf_declare_function_name): Use toc_label_name instead of
14025         constructing LCTOC1.
14027 2016-01-26  Martin Sebor  <msebor@redhat.com>
14029         PR other/69477
14030         * doc/extend.texi (Common Type Attributes): Move text that talks about
14031         attribute packed from attribute aligned to the section discussing
14032         the former attribute for clarity.
14034 2016-01-26  Richard Henderson  <rth@redhat.com>
14036         PR middle-end/60908
14037         * trans-mem.c (tm_region_init): Mark entry block as visited.
14039 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
14041         PR other/69006
14042         * diagnostic-show-locus.c (layout::print_source_line): Replace
14043         call to pp_newline with call to layout::print_newline.
14044         (layout::print_annotation_line): Likewise.
14045         (layout::move_to_column): Likewise.
14046         (layout::print_any_fixits): After printing any fixits, print a
14047         trailing newline, if necessary.
14048         (layout::print_newline): New method, resetting any colorization
14049         before a newline.
14050         (diagnostic_show_locus): Move the pp_newline to before the
14051         early bailout.  Remove dummy block enclosing the layout instance.
14052         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
14053         of pp_newline_and_flush with pp_flush.
14054         (diagnostic_append_note): Delete use of pp_newline.
14055         (diagnostic_append_note_at_rich_loc): Delete.
14056         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
14057         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
14058         when newline characters are added to the buffer.
14060 2016-01-26  Michael Matz  <matz@suse.de>
14062         * configure.ac (ac_cv_std_swap_in_utility): New test.
14063         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
14064         * configure: Regenerate.
14065         * config.in: Regenerate.
14067 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
14069         * config/arc/arc.md (cstoresi4): Force operand into register.
14070         (arcset<code>): Fix predicate.
14071         (arcsetltu): Likewise.
14072         (arcsetgeu): Likewise.
14073         (arcsethi): Likewise.
14074         (arcsetls): Likewise.
14076 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14078         PR tree-optimization/69483
14079         * gimple-fold.c (canonicalize_constructor_val): Return NULL
14080         if base has error_mark_node type.
14082 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
14084         PR target/68620
14085         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
14086         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
14087         New helper macros.
14088         (vget_lane_f16): Handle big-endian.
14089         (vgetq_lane_f16): Likewise.
14090         (vset_lane_f16): Likewise.
14091         (vsetq_lane_f16): Likewise.
14092         * config/arm/iterators.md (VQXMOV): Add V8HF.
14093         (VDQ): Add V4HF and V8HF.
14094         (V_reg): Handle V4HF and V8HF.
14095         (Is_float_mode): Likewise.
14096         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
14097         neon_vdup_nv8hf): New patterns.
14098         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
14099         Use VD_LANE iterator.
14100         (neon_vld1_dup<mode>): Use VQ2 iterator.
14102 2016-01-26  Nathan Sidwell  <nathan@acm.org>
14104         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
14105         (set_oacc_fn_attrib): Add IS_KERNEL arg.
14106         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
14107         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
14108         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
14109         (oacc_validate_dims): Add LEVEL arg, don't return level.
14110         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
14111         oacc_validate_dims.
14112         (execute_oacc_device_lower): Adjust, add more dump output.
14113         * tree-ssa-loop.c (gate_oacc_kernels): Use
14114         oacc_fn_attrib_kernels_p.
14115         * tree-parloops.c (create_parallel_loop): Adjust
14116         set_oacc_fn_attrib call.
14118 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14120         PR lto/69254
14121         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
14122         (append_compiler_options): Handle -fcilkplus.
14123         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
14125 2016-01-26  Nick Clifton  <nickc@redhat.com>
14127         PR target/66655
14128         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
14129         been marked as DECL_ONE_ONLY but we do not the means to make it
14130         so, then do not allow it to bind locally.
14132 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14134         PR lto/69254
14135         * opts.h (parse_sanitizer_options): New prototype.
14136         * opts.c (sanitizer_opts): New array.
14137         (parse_sanitizer_options): New function.
14138         (common_handle_option): Use parse_sanitizer_options.
14140 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
14142         PR target/68986
14143         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
14144         alignment adjustment to ...
14145         (ix86_update_stack_boundary): Here.  Don't over-align stack for
14146         __tls_get_addr.
14147         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
14148         if __tls_get_addr is called.
14150 2016-01-26  Christian Bruel  <christian.bruel@st.com>
14152         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
14154 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
14156         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
14158 2016-01-26  Richard Biener  <rguenther@suse.de>
14160         PR middle-end/69467
14161         * match.pd: Guard X * CST CMP 0 pattern with single_use.
14163 2016-01-26  Richard Biener  <rguenther@suse.de>
14165         PR tree-optimization/69452
14166         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
14167         (move_computations_dom_walker::before_dom_children): Rename
14168         to ...
14169         (move_computations_worker): This.
14170         (move_computations): Perform an RPO rather than a DOM walk.
14172 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14174         PR target/69442
14175         * combine.c (combine_instructions): For REG_EQUAL note with
14176         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
14177         to the underlying register.
14178         * doc/rtl.texi (REG_EQUAL): Document the behavior of
14179         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
14181 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
14183         PR target/67896
14184         * config/aarch64/aarch64-builtins.c
14185         (aarch64_init_simd_builtin_types): Do not set structural
14186         equality to __Poly{8,16,64,128}_t types.
14188 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
14190         PR tree-optimization/69400
14191         * wide-int.cc (wi_pack): Take the precision as argument and
14192         perform canonicalization here rather than in the callers.
14193         Use the main loop to handle all full-width HWIs.  Add a
14194         zero HWI if in_len isn't a full result.
14195         (wi::divmod_internal): Update accordingly.
14196         (wi::mul_internal): Likewise.  Simplify.
14198 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14199             Sebastian Pop  <s.pop@samsung.com>
14201         * graphite-poly.c (apply_poly_transforms): Simplify.
14202         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
14203         (print_isl_map): Same.
14204         (print_isl_union_map): Same.
14205         (print_isl_schedule): New.
14206         (debug_isl_schedule): New.
14207         * graphite-dependences.c (scop_get_reads): Do not call
14208         isl_union_map_add_map that is undocumented isl functionality.
14209         (scop_get_must_writes): Same.
14210         (scop_get_may_writes): Same.
14211         (scop_get_original_schedule): Remove.
14212         (scop_get_dependences): Do not call isl_union_map_compute_flow that
14213         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
14214         (compute_deps): Remove.
14215         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
14216         (debug_schedule_ast): New.
14217         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
14218         set_separate_option.
14219         (graphite_regenerate_ast_isl): Add dump.
14220         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
14221         from scop->transformed_schedule.
14222         (graphite_regenerate_ast_isl): Add more dump.
14223         * graphite-optimize-isl.c (optimize_isl): Set
14224         scop->transformed_schedule.  Check whether schedules are equal.
14225         (apply_poly_transforms): Move here.
14226         * graphite-poly.c (apply_poly_transforms): ... from here.
14227         (free_poly_bb): Static.
14228         (free_scop): Static.
14229         (pbb_number_of_iterations_at_time): Remove.
14230         (print_isl_ast): New.
14231         (debug_isl_ast): New.
14232         (debug_scop_pbb): New.
14233         * graphite-scop-detection.c (print_edge): Move.
14234         (print_sese): Move.
14235         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
14236         (build_scop_scattering): Remove.
14237         (create_pw_aff_from_tree): Assert instead of bailing out.
14238         (add_condition_to_pbb): Remove unused code, do not fail.
14239         (add_conditions_to_domain): Same.
14240         (add_conditions_to_constraints): Remove.
14241         (build_scop_context): New.
14242         (add_iter_domain_dimension): New.
14243         (build_iteration_domains): Initialize pbb->iterators.
14244         Call add_conditions_to_domain.
14245         (nested_in): New.
14246         (loop_at): New.
14247         (index_outermost_in_loop): New.
14248         (index_pbb_in_loop): New.
14249         (outermost_pbb_in): New.
14250         (add_in_sequence): New.
14251         (add_outer_projection): New.
14252         (outer_projection_mupa): New.
14253         (add_loop_schedule): New.
14254         (build_schedule_pbb): New.
14255         (build_schedule_loop): New.
14256         (embed_in_surrounding_loops): New.
14257         (build_schedule_loop_nest): New.
14258         (build_original_schedule): New.
14259         (build_poly_scop): Call build_original_schedule.
14260         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
14261         (free_poly_dr): Remove.
14262         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
14263         (free_poly_bb): Remove.
14264         (debug_loop_vec): Remove.
14265         (print_isl_ast): Declare.
14266         (debug_isl_ast): Declare.
14267         (scop_do_interchange): Remove.
14268         (scop_do_strip_mine): Remove.
14269         (scop_do_block): Remove.
14270         (flatten_all_loops): Remove.
14271         (optimize_isl): Remove.
14272         (pbb_number_of_iterations_at_time): Remove.
14273         (debug_scop_pbb): Declare.
14274         (print_schedule_ast): Declare.
14275         (debug_schedule_ast): Declare.
14276         (struct scop): Remove schedule.  Add original_schedule,
14277         transformed_schedule.
14278         (free_gimple_poly_bb): Remove.
14279         (print_generated_program): Remove.
14280         (debug_generated_program): Remove.
14281         (unify_scattering_dimensions): Remove.
14282         * sese.c (print_edge): ... here.
14283         (print_sese): ... here.
14284         (debug_edge): ... here.
14285         (debug_sese): ... here.
14286         * sese.h (print_edge): Declare.
14287         (print_sese): Declare.
14288         (dump_edge): Declare.
14289         (dump_sese): Declare.
14291 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14292             Sebastian Pop  <s.pop@samsung.com>
14294         * Makefile.in: Set ISLVER in site.exp.
14296 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
14298         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
14299         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
14300         through DECL_VALUE_EXPR for expansion.
14302 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14304         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
14305         the frame info after reload completed.
14307 2016-01-25  Jeff Law  <law@redhat.com>
14309         PR tree-optimization/69196
14310         PR tree-optimization/68398
14311         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
14312         tree-ssa-threadupdate.c.
14313         (determine_bb_domination_status): Prototype
14314         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
14315         (determine_bb_domination_status): No longer static.
14316         (valid_jump_thread_path): Remove code to detect characteristics
14317         of the jump thread path not associated with correctness.
14318         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
14319         Correct test for thread path length.  Count PHIs for real operands as
14320         statements that need to be copied.  Do not count ASSERT_EXPRs.
14321         Look at all the blocks in the thread path.  Compute and selectively
14322         filter thread paths based on threading through the latch, threading
14323         a multiway branch or crossing a multiway branch.
14325 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14327         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
14328         decl with __attribute__ ((unused)) annotation.
14330 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
14332         PR target/69421
14333         * tree-vect-stmts.c (vectorizable_condition): Check vectype
14334         of operands is compatible with a statement vectype.
14336 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14338         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
14339         improve wording for mixed storage order support.
14341 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
14343         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
14344         (vcvt_u64_f64): Likewise.
14345         (vcvta_s64_f64): Likewise.
14346         (vcvta_u64_f64): Likewise.
14347         (vcvtm_s64_f64): Likewise.
14348         (vcvtm_u64_f64): Likewise.
14349         (vcvtn_s64_f64): Likewise.
14350         (vcvtn_u64_f64): Likewise.
14351         (vcvtp_s64_f64): Likewise.
14352         (vcvtp_u64_f64): Likewise.
14354 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
14356         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
14357         (arc_init): Check validity mll64 option.
14358         (arc_save_restore): Use double load/store instruction.
14359         (arc_expand_movmem): Likewise.
14360         (arc_split_move): Don't split if we have double load/store
14361         instructions. Returns a boolean.
14362         (arc_process_double_reg_moves): Change function to return boolean
14363         instead of a sequence of instructions.
14364         (arc_dwarf_register_span): New function.
14365         * config/arc/arc-protos.h (arc_split_move): Change prototype.
14366         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14367         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14368         (*movdf_insn): Likewise.
14369         * config/arc/arc.opt (mll64): New option.
14370         * config/arc/predicates.md (even_register_operand): New predicate.
14371         * doc/invoke.texi (ARC Options): Add mll64 documentation.
14373 2016-01-25  Richard Biener  <rguenther@suse.de>
14375         PR lto/69393
14376         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
14377         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
14378         DECL_NAMELESS.
14379         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
14381 2016-01-25  Richard Biener  <rguenther@suse.de>
14383         PR tree-optimization/69376
14384         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
14385         flag.
14386         (VN_INFO_ANTI_RANGE_P): New inline.
14387         (VN_INFO_RANGE_TYPE): Likewise.
14388         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
14389         SSA_NAME_ANTI_RANGE_P.
14390         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
14391         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14392         Properly query VN_INFO_RANGE_TYPE.
14394 2016-01-25  Nick Clifton  <nickc@redhat.com>
14396         PR target/66655
14397         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
14399 2016-01-23  Tom de Vries  <tom@codesourcery.com>
14401         PR tree-optimization/69426
14402         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
14403         removed clobber.
14405 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
14407         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
14408         "the the" with "the" in the comments.
14409         * ipa-devirt.c (build_type_inheritance_graph,
14410         update_type_inheritance_graph): Likewise.
14411         * tree.c (build_function_type_list_1): Likewise.
14412         * cfgloopmanip.c (scale_loop_profile): Likewise.
14413         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
14414         * gimple-ssa-split-paths.c
14415         (find_block_to_duplicate_for_splitting_paths): Likewise.
14416         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
14417         * expr.c (convert_move): Likewise.
14418         * var-tracking.c (vt_stack_adjustments): Likewise.
14419         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
14420         * tree-vrp.c (test_for_singularity): Likewise.
14422         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
14423         directly instead of building a temporary tree.
14425         PR bootstrap/69434
14426         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
14427         remove <algorithm> include.
14429 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14431         PR target/69432
14432         * config/i386/i386.c: Include dojump.h.
14433         (expand_small_movmem_or_setmem,
14434         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
14435         fixes.
14436         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
14437         if dynamic_check != -1.
14439 2016-01-21  Jeff Law  <law@redhat.com>
14441         PR middle-end/69347
14442         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
14443         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
14444         into dominated_by_p.
14445         (cprop_into_successor_phis): Avoid unnecessary tests.
14447 2016-01-22  Richard Henderson  <rth@redhat.com>
14449         PR target/69416
14450         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
14451         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
14453 2016-01-22  Michael Matz  <matz@suse.de>
14455         * system.h (string, algorithm): Include only conditionally.
14456         (new): Include always under C++.
14457         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14458         * final.c (toplevel): Ditto.
14459         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14460         * genconditions.c (write_header): Make gencondmd.c define
14461         INCLUDE_STRING.
14462         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14464         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14465         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14467 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14469         PR target/68674
14470         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14472 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14474         PR target/69403
14475         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14476         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14477         get assigned the same register.
14479 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14481         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14483 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14485         * config/arm/arm-c.c (arm_pragma_target_parse):
14486         Remove warn_builtin_macro_redefined overwrite.
14488 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14490         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14491         flag_non_call_exceptions compatibility.
14493 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14495         PR debug/66668
14496         * dwarf2out.c (add_child_die_after): New function.
14497         (dwarf_qual_info_t): New type.
14498         (dwarf_qual_info): New variable.
14499         (qualified_die_p): New function.
14500         (modified_type_die): For -fdebug-types-section, ensure
14501         canonical order of qualifiers.  Put qualified DIEs adjacent
14502         to the corresponding non-qualified type DIE and search there
14503         for existing qualified DIEs.
14505 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14507         * doc/extend.texi (scalar_storage_order type attribute): Document
14508         restriction on type punning and aliasing, and remove future tense.
14510 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14512         PR target/69252
14513         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14514         first stage.
14516 2016-01-21  Jeff Law  <law@redhat.com>
14518         PR middle-end/69347
14519         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14520         useless call to record_temporary_equivalences.
14521         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14522         allocate 10 slots in the bb_path vector and let it grow as needed.
14523         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14524         vector.
14526 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14528         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14529         Detangle.
14530         * configure: Regenerate.
14532 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14534         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14535         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14537 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14539         PR middle-end/66178
14540         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14541         drop EXPAND_INITIALIZER.
14542         * rtl.h (contains_symbolic_reference_p): Declare.
14543         * rtlanal.c (contains_symbolic_reference_p): New function.
14544         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14545         a subtraction into a NOT if symbolic constants are involved.
14547 2016-01-21  Anton Blanchard  <anton@samba.org>
14548             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14550         PR target/63354
14551         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14552         #define.
14553         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14554         function.
14556 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14558         * config/microblaze/microblaze.c
14559         (get_branch_target): New.
14560         (insert_wic_for_ilb_runout): New.
14561         (insert_wic): New.
14562         (microblaze_machine_dependent_reorg): New.
14563         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14564         * config/microblaze/microblaze.md
14565         (UNSPEC_IPREFETCH): Define.
14566         (iprefetch): New pattern
14567         * config/microblaze/microblaze.opt
14568         (mxl-prefetch): New flag.
14570 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14572         * config/microblaze/microblaze.h
14573         (FIXED_REGISTERS): Update in macro.
14574         (CALL_USED_REGISTERS): Update in macro.
14576 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14578         PR rtl-optimization/68920
14579         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14580         moves.
14582 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14584         PR rtl-optimization/68990
14585         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14586         pseudo instead of inheritance ones.
14588 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14589             Nick Clifton  <nickc@redhat.com>
14591         PR target/69129
14592         PR target/69012
14593         * config/mips/mips.c (mips_compute_frame_info): Initialise
14594         args_size and hard_frame_pointer_offset fields of the frame
14595         structure before calling mips_global_pointer.
14597 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14599         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14600         label reference.
14601         * configure: Regenerate.
14603 2016-01-21  Richard Biener  <rguenther@suse.de>
14605         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14607 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14609         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14610         to actually emit the .size directive.
14612 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14613              Jakub Jelinek  <jakub@redhat.com>
14615         PR target/69187
14616         PR target/65624
14617         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14618         args array size by one to avoid buffer overflow.
14620 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14622         * config/s390/s390.md (pool_section_start): Use switch_to_section
14623         to select proper read-only data section instead of hardcoding
14624         .rodata.
14625         (pool_section_end): Use switch_to_section to match the above.
14627 2016-01-21  Richard Biener  <rguenther@suse.de>
14629         PR tree-optimization/69378
14630         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14631         (set_ssa_val_to): Use it for dominance checks taking into
14632         account not executable edges.
14634 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14636         PR c++/69355
14637         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14638         for bitsize instead of GET_MODE_PRECISION (mode).
14640 2016-01-20  Martin Sebor  <msebor@redhat.com>
14642         PR c/52291
14643         * extend.texi (__sync Builtins): Clarify the semantics of
14644         __sync_fetch_and_OP built-ins on pointers.
14645         (__atomic Builtins): Same.
14647 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14648             Sebastian Pop  <s.pop@samsung.com>
14650         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14651         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14652         (is_valid_rename): Same.
14653         (translate_isl_ast_to_gimple::get_rename): Same.
14654         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14655         (translate_isl_ast_to_gimple::rename_uses): Same.
14656         (get_new_name): Check for close_phi nodes.
14657         (copy_loop_phi_args): Use phi_node_kind.
14658         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14659         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14661 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14662             Sebastian Pop  <s.pop@samsung.com>
14664         Revert commit r229783.
14665         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14666         Remove use of parameter_rename_map.
14667         (copy_def): Remove.
14668         (copy_internal_parameters): Remove.
14669         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14670         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14671         (free_sese_info): Do not free parameter_rename_map.
14672         (set_rename): Do not use parameter_rename_map.
14673         (rename_uses): Update call to set_rename.
14674         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14675         * sese.h (parameter_rename_map_t): Remove.
14676         (struct sese_info_t): Remove field parameter_rename_map.
14678 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14679             Sebastian Pop  <s.pop@samsung.com>
14681         * graphite-isl-ast-to-gimple.c: Fix comment.
14682         * graphite-scop-detection.c (defined_in_loop_p): New.
14683         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14684         names defined in loop.
14686 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14687             Sebastian Pop  <s.pop@samsung.com>
14689         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14690         Discard unstructured if-then-else regions.
14692 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14693             Sebastian Pop  <s.pop@samsung.com>
14695         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14696         (cleanup_loop_iter_dom): Remove.
14697         (build_loop_iteration_domains): Remove.
14698         (build_scop_context): Remove.
14699         (build_scop_iteration_domain): Remove.
14700         (add_loop_constraints): New.
14701         (build_iteration_domains): New.
14702         (build_poly_scop): Call build_iteration_domains.
14704 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14705             Sebastian Pop  <s.pop@samsung.com>
14707         * graphite-scop-detection.c
14708         (scop_detection::harmful_loop_in_region): Free dom and loops.
14709         (scop_detection::loop_body_is_valid_scop): Free bbs.
14711 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14712             Sebastian Pop  <s.pop@samsung.com>
14714         * graphite-scop-detection.c (record_loop_in_sese): New.
14715         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14716         (build_scops): Remove call to build_sese_loop_nests.
14717         * sese.c (sese_record_loop): Remove.
14718         (build_sese_loop_nests): Remove.
14719         (new_sese_info): Remove region->loops.
14720         (free_sese_info): Same.
14721         * sese.h (sese_contains_loop): Same.
14722         (build_sese_loop_nests): Remove.
14723         (sese_contains_loop): Remove.
14725 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14726             Sebastian Pop  <s.pop@samsung.com>
14728         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14729         loop_is_valid_in_scop.
14730         (scop_detection::harmful_stmt_in_region): Renamed
14731         harmful_loop_in_region.
14732         Call loop_is_valid_in_scop.
14734 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14735             Sebastian Pop  <s.pop@samsung.com>
14737         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14738         isl_ast_node_mark.
14740 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14741             Sebastian Pop  <s.pop@samsung.com>
14743         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14744         * graphite.h (struct poly_bb): Remove field is_reduction.
14745         (PBB_IS_REDUCTION): Remove.
14747 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14748             Sebastian Pop  <s.pop@samsung.com>
14750         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14751         (add_pdr_constraints): Same.
14752         (scop_get_reads): Same.
14753         (scop_get_must_writes): Same.
14754         (scop_get_may_writes): Same.
14755         (scop_get_original_schedule): Same.
14756         (extend_schedule): Same.
14757         (apply_schedule_on_deps): Same.
14758         (carries_deps): Same.
14759         (compute_deps): Same.
14760         (scop_get_dependences): Same.
14761         * graphite-isl-ast-to-gimple.c
14762         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14763         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14764         (get_schedule_for_band_list): Same.
14765         (get_schedule_map): Same.
14766         (apply_schedule_map_to_scop): Same.
14767         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14768         (build_loop_iteration_domains): Same.
14769         (add_condition_to_pbb): Same.
14770         (add_param_constraints): Same.
14771         (pdr_add_memory_accesses): Same.
14772         (pdr_add_data_dimensions): Same.
14774 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14776         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14777         requirements.
14779 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14781         * common.opt (feliminate-dwarf2-dups): Replace references to
14782         "DWARF 2" with just "DWARF".
14783         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14784         * doc/extend.texi: Likewise.
14785         * doc/cpp.texi: Likewise.
14786         * doc/invoke.texi: Likewise.
14787         (Option Summary): Add -gdwarf to list of Debugging Options.
14788         (Debugging Options): Document -gdwarf.
14789         * doc/contrib.texi: Spell "DWARF" like that.
14791 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14793         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14794         warning.  Fix up formatting.
14796         PR middle-end/67653
14797         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14798         attempt to mark memory input operand addressable and
14799         call prepare_gimple_addressable in that case.  Don't adjust
14800         input_location for diagnostics, use error_at instead.
14802 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14804         * config/rs6000/ppc-auxv.h: New file.
14805         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14806         (cpu_is): Likewise.
14807         (cpu_supports): Likewise.
14808         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14809         (cpu_is_info): New variable.
14810         (cpu_supports_info): Likewise.
14811         (tcb_verification_symbol): Likewise.
14812         (cpu_builtin_p): Likewise.
14813         (cpu_expand_builtin): New function.
14814         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14815         (rs6000_init_builtins): Likewise.
14816         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14817         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14818         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14819         * configure: Regenerate.
14820         * config.in: Likewise.
14821         * doc/extend.texi (PowerPC Built-in Functions): Document
14822         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14824 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14826         PR target/68609
14827         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14828         domain check.
14829         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14830         for V4SFmode.
14832 2016-01-20  Richard Henderson  <rth@redhat.com>
14834         PR bootstrap/69343
14835         PR bootstrap/69339
14836         PR tree-opt/68964
14837         Revert:
14838         * tree.c (tm_define_builtin): New.
14839         (find_tm_vector_type): New.
14840         (build_tm_vector_builtins): New.
14841         (build_common_builtin_nodes): Call it.
14843 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14845         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14846         (arm_fp_ok): Likewise.
14847         (arm_fp): Likewise.
14848         (arm_crypto): Likewise.
14850 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14851             Richard Biener  <rguenther@suse.de>
14853         PR tree-optimization/69328
14854         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14855         vectors have same number of elements.
14856         (vectorizable_condition): Fix masked version recognition.
14858 2016-01-20  Richard Biener  <rguenther@suse.de>
14860         PR tree-optimization/69345
14861         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14862         (VN_INFO_PTR_INFO): Likewise.
14863         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14864         info when it is equal between non-dominating SSA names.
14865         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14866         Make sure to look at original SSA infos.
14868 2016-01-20  Jeff Law  <law@redhat.com>
14870         PR target/25114
14871         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14872         extracted from ...
14873         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14874         (pc_or_label_operand): New predicate.
14875         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14876         tests for small integers that are 2^n - 1.
14878 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14880         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14882 2016-01-19  Jeff Law  <law@redhat.com>
14884         PR middle-end/69347
14885         * tree-ssa-threadbackwards.c
14886         (fsm_find_control_statement_thread_paths): Do not try to lookup
14887         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14889 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14891         * doc/lto.texi: Remove text that says only Gold has linker plugin
14892         support.
14894 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14896         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14897         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14898         the DIE accordingly.
14899         (modified_type_die): Add REVERSE parameter and pass it recursively,
14900         as well as to base_type_die.  Adjust presence check accordingly.
14901         (base_type_for_mode): Adjust call to modified_type_die.
14902         (add_type_attribute): Add REVERSE parameter and pass it to
14903         modified_type_die.
14904         (generic_parameter_die): Adjust call to add_type_attribute.
14905         (add_scalar_info): Likewise.
14906         (add_subscript_info): Likewise.
14907         (gen_array_type_die): Likewise.
14908         (gen_descr_array_type_die): Likewise.
14909         (gen_entry_point_die): Likewise.
14910         (gen_enumeration_type_die): Likewise.
14911         (gen_formal_parameter_die): Likewise.
14912         (gen_subprogram_die): Likewise.
14913         (gen_variable_die ): Likewise.
14914         (gen_const_die): Likewise.
14915         (gen_field_die): Likewise.
14916         (gen_pointer_type_die): Likewise.
14917         (gen_reference_type_die): Likewise.
14918         (gen_ptr_to_mbr_type_die): Likewise.
14919         (gen_inheritance_die): Likewise.
14920         (gen_subroutine_type_die): Likewise.
14921         (gen_typedef_die): Likewise.
14922         (force_type_die): Adjust call to modified_type_die.
14924 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14926         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14927         flow throughout the file.  Fix broken link to Objective-C 2.0
14928         documentation.
14929         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14930         errors.
14932 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14934         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14936 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14938         PR ipa/66223
14939         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14940         (maybe_record_node): Record cxa_pure_virtual as the only possible
14941         target if there are not ohter candidates.
14942         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14944 2016-01-19  Richard Biener  <rguenther@suse.de>
14946         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14947         (get_memory_order): Likewise.
14949 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14951         * tree-vect-stmts.c (vectorizable_store): Check
14952         rhs vectype.
14954 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14956         PR jit/68446
14957         * gcc.c (driver::decode_argv): Add call to
14958         init_opts_obstack before init_options_struct.
14959         * opts.c (init_opts_obstack): Remove idempotency.
14960         (init_options_struct): Replace call to init_opts_obstack
14961         with a gcc_assert to verify that it has already been called.
14962         * toplev.c (toplev::main): Add call to init_opts_obstack before
14963         calls to init_options_struct.
14964         (toplev::finalize): Move cleanup of opts_obstack next to
14965         cleanup of save_decoded_options, clearing the latter, and
14966         save_decoded_options_count.
14968 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14970         PR target/69135
14971         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14972         attribute to unconditional.  Remove %? from output template.
14974 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14975             Jiong Wang  <jiong.wang@arm.com>
14977         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14978         generated from different expand order.
14980 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14982         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14983         Add support for CCMP costing.
14985 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14987         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14988         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14989         (fccmpe<mode>): Likewise.
14990         (fcmp): Rename to fcmp and globalize pattern.
14991         (fcmpe): Likewise.
14992         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14993         (aarch64_gen_ccmp_next): Add FP support.
14995 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14997         * target.def (gen_ccmp_first): Update documentation.
14998         (gen_ccmp_next): Likewise.
14999         * doc/tm.texi (gen_ccmp_first): Update documentation.
15000         (gen_ccmp_next): Likewise.
15001         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
15002         expand_ccmp_expr_1.  Improve comments.
15003         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
15004         (ccmp_ior<mode>): Remove pattern.
15005         (cmp<mode>): Remove expand.
15006         (cmp): Globalize pattern.
15007         (cstorecc4): Use cc_register.
15008         (mov<mode>cc): Remove ccmp_cc_register check.
15009         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
15010         Simplify after removal of CC_DNE/* modes.
15011         (aarch64_ccmp_mode_to_code): Remove.
15012         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
15013         In 'k' case use integer as condition.
15014         (aarch64_nzcv_codes): Remove inverted cases.
15015         (aarch64_code_to_ccmode): Remove.
15016         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
15017         comparison with CC register to be used in folowing CCMP/branch/CSEL.
15018         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
15019         pattern.  Return the comparison with CC register.  Invert conditions
15020         when bitcode is OR.
15021         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
15022         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
15024 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15026         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15027         instrumented_version.
15029 2016-01-19  Richard Biener  <rguenther@suse.de>
15031         PR tree-optimization/69336
15032         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
15033         handled components with get_ref_base_and_extent.
15034         (equal_mem_array_ref_p): Adjust.
15036 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15038         PR debug/65779
15039         * shrink-wrap.c: Include valtrack.h.
15040         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
15041         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
15042         in between insn and where it will be moved to.  Call
15043         dead_debug_insert_temp.
15044         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
15045         first and dead_debug_local_finish at the end.
15046         For uses and defs bitmap, handle all regs in between REGNO and
15047         END_REGNO, not just the first one.
15049 2016-01-19  Richard Biener  <rguenther@suse.de>
15051         PR tree-optimization/69352
15052         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
15053         (equal_mem_array_ref_p): Constrain size and max size properly.
15054         Compare the reverse flag.
15056 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
15058         * ira.c (ira): Update regstat data if we deleted insns.
15060 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15062         PR rtl-optimization/68955
15063         PR rtl-optimization/64557
15064         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
15065         here.  Fix up formatting.
15066         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
15068 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15070         PR lto/69133
15071         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
15072         assume that the node has body.
15073         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
15074         check.
15076 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15078         * lto-streamer-out.c (lto_output): Do not stream instrumentation
15079         thunks.
15081 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15083         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
15084         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
15086 2016-01-19  Martin Jambor  <mjambor@suse.cz>
15087             Martin Liska  <mliska@suse.cz>
15088             Michael Matz  <matz@suse.de>
15090         * Makefile.in (OBJS): Add new source files.
15091         (GTFILES): Add hsa.c.
15092         * common.opt (disable_hsa): New variable.
15093         (-Whsa): New warning.
15094         * config.in (ENABLE_HSA): New.
15095         * configure.ac: Treat hsa differently from other accelerators.
15096         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
15097         $enable_offloading.
15098         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
15099         * doc/install.texi (Configuration): Document --with-hsa-runtime,
15100         --with-hsa-runtime-include, --with-hsa-runtime-lib and
15101         --with-hsa-kmt-lib.
15102         * doc/invoke.texi (-Whsa): Document.
15103         (hsa-gen-debug-stores): Likewise.
15104         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
15105         to invoke offload compiler for hsa acclerator.
15106         * opts.c (common_handle_option): Determine whether HSA offloading
15107         should be performed.
15108         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
15109         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
15110         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
15111         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
15112         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
15113         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
15114         GF_OMP_FOR_KIND_GRID_LOOP.
15115         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
15116         (pp_gimple_stmt_1): Likewise.
15117         * gimple-walk.c (walk_gimple_stmt): Likewise.
15118         * gimple.c (gimple_build_omp_grid_body): New function.
15119         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
15120         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
15121         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
15122         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
15123         GF_OMP_TEAMS_GRID_PHONY.
15124         (gimple_statement_omp_single_layout): Updated comments.
15125         (gimple_build_omp_grid_body): New function.
15126         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
15127         (gimple_omp_for_grid_phony): New function.
15128         (gimple_omp_for_set_grid_phony): Likewise.
15129         (gimple_omp_parallel_grid_phony): Likewise.
15130         (gimple_omp_parallel_set_grid_phony): Likewise.
15131         (gimple_omp_teams_grid_phony): Likewise.
15132         (gimple_omp_teams_set_grid_phony): Likewise.
15133         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
15134         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
15135         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
15136         (BUILT_IN_GOMP_TARGET): Updated type.
15137         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
15138         (adjust_for_condition): New function.
15139         (get_omp_for_step_from_incr): Likewise.
15140         (extract_omp_for_data): Moved parts to adjust_for_condition and
15141         get_omp_for_step_from_incr.
15142         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
15143         (fixup_child_record_type): Bail out if receiver_decl is NULL.
15144         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
15145         (scan_omp_parallel): Do not create child functions for phony
15146         constructs.
15147         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
15148         (scan_omp_1_op): Checking assert we are not remapping to
15149         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
15150         (parallel_needs_hsa_kernel_p): New function.
15151         (expand_parallel_call): Register apprpriate parallel child
15152         functions as HSA kernels.
15153         (grid_launch_attributes_trees): New type.
15154         (grid_attr_trees): New variable.
15155         (grid_create_kernel_launch_attr_types): New function.
15156         (grid_insert_store_range_dim): Likewise.
15157         (grid_get_kernel_launch_attributes): Likewise.
15158         (get_target_argument_identifier_1): Likewise.
15159         (get_target_argument_identifier): Likewise.
15160         (get_target_argument_value): Likewise.
15161         (push_target_argument_according_to_value): Likewise.
15162         (get_target_arguments): Likewise.
15163         (expand_omp_target): Call get_target_arguments instead of looking
15164         up for teams and thread limit.
15165         (grid_expand_omp_for_loop): New function.
15166         (grid_arg_decl_map): New type.
15167         (grid_remap_kernel_arg_accesses): New function.
15168         (grid_expand_target_kernel_body): New function.
15169         (expand_omp): Call it.
15170         (lower_omp_for): Do not emit phony constructs.
15171         (lower_omp_taskreg): Do not emit phony constructs but create for them
15172         a temporary variable receiver_decl.
15173         (lower_omp_taskreg): Do not emit phony constructs.
15174         (lower_omp_teams): Likewise.
15175         (lower_omp_grid_body): New function.
15176         (lower_omp_1): Call it.
15177         (grid_reg_assignment_to_local_var_p): New function.
15178         (grid_seq_only_contains_local_assignments): Likewise.
15179         (grid_find_single_omp_among_assignments_1): Likewise.
15180         (grid_find_single_omp_among_assignments): Likewise.
15181         (grid_find_ungridifiable_statement): Likewise.
15182         (grid_target_follows_gridifiable_pattern): Likewise.
15183         (grid_remap_prebody_decls): Likewise.
15184         (grid_copy_leading_local_assignments): Likewise.
15185         (grid_process_kernel_body_copy): Likewise.
15186         (grid_attempt_target_gridification): Likewise.
15187         (grid_gridify_all_targets_stmt): Likewise.
15188         (grid_gridify_all_targets): Likewise.
15189         (execute_lower_omp): Call grid_gridify_all_targets.
15190         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
15191         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
15192         (tree_omp_clause): Added union field dimension.
15193         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
15194         * tree.c (omp_clause_num_ops): Added number of arguments of
15195         OMP_CLAUSE__GRIDDIM_.
15196         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
15197         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
15198         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
15199         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
15200         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
15201         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
15202         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
15203         * tree-pass.h (make_pass_gen_hsail): Declare.
15204         (make_pass_ipa_hsa): Likewise.
15205         * ipa-hsa.c: New file.
15206         * lto-section-in.c (lto_section_name): Add hsa section name.
15207         * lto-streamer.h (lto_section_type): Add hsa section.
15208         * timevar.def (TV_IPA_HSA): New.
15209         * hsa-brig-format.h: New file.
15210         * hsa-brig.c: New file.
15211         * hsa-dump.c: Likewise.
15212         * hsa-gen.c: Likewise.
15213         * hsa.c: Likewise.
15214         * hsa.h: Likewise.
15215         * toplev.c (compile_file): Call hsa_output_brig.
15216         * hsa-regalloc.c: New file.
15218 2016-01-18  Jeff Law  <law@redhat.com>
15220         PR tree-optimization/69320
15221         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
15222         ranged object, do nothing if the RHS constant is not [0..1].
15223         (optimize_stmt): Comparing a boolean ranged object against a
15224         constant outside [0..1] results in a compile-time constant.
15226         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
15227         test.
15229 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
15231         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15232         (Option Summary): Update to reflect new section and moved options.
15233         (C++ Dialect Options): Move -fstats to new section.
15234         (Debugging Options): Move all dump, statistics, and other GCC
15235         developer options to new section.  Rewrite section introduction
15236         and re-order remaining options to put the more basic ones first.
15237         (Optimization Options): Move -fira-verbose and -flto-report* to
15238         new section.
15239         (Developer Options): New section incorporating moved options.
15240         * doc/cppopts.texi (-dM): Update cross-reference.
15242 2016-01-18  Richard Henderson  <rth@redhat.com>
15244         PR target/69176
15245         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
15246         operands to pseudo only if CSE is expected.  Split long immediate
15247         operands only after reload, and for the stack pointer.
15248         (*add<GPI>3_pluslong): Remove.
15249         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
15250         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
15251         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
15252         (*add<GPI>3 peepholes): New.
15253         (*add<GPI>3 splitters): New.
15254         * config/aarch64/constraints.md (Upl): New.
15255         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
15257 2016-01-18  Richard Biener  <rguenther@suse.de>
15259         PR tree-optimization/69297
15260         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
15261         stmt at most once.
15262         (vect_bb_vectorization_profitable_p): Clear visited flag again.
15264 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
15266         PR middle-end/68542
15267         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
15268         of mixind vector and scalar types.
15269         (fold_relational_const): Add handling of vector
15270         comparison with boolean result.
15271         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
15272         comparison of vector operands with boolean result for EQ/NE only.
15273         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
15274         (verify_gimple_cond): Likewise.
15275         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
15276         valid type of VAL.
15278 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
15280         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
15281         !TARGET_OCTEON.
15283 2016-01-18  Richard Biener  <rguenther@suse.de>
15285         PR middle-end/69308
15286         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
15288 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15290         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
15292 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15294         * omp-low.c (set_oacc_fn_attrib): Make extern.
15295         * omp-low.h (set_oacc_fn_attrib): Declare.
15296         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
15297         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
15298         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
15299         Add and handle function parameter oacc_kernels_p.
15300         (find_reduc_addr, get_omp_data_i_param): New function.
15301         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
15302         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
15303         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
15304         Calculate dominance info.  Skip loops that are not in a kernels region
15305         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
15306         (pass_parallelize_loops::execute): Call parallelize_loops with
15307         oacc_kernels_p argument.
15308         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
15309         New member function.
15310         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
15311         * passes.def: Add argument to pass_parallelize_loops instantation.
15313 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15315         * tree-parloops.c (pass_parallelize_loops::execute): Allow
15316         pass_parallelize_loops to be run outside the loop pipeline.
15318 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15320         * tree-scalar-evolution.c (follow_copies_to_constant): New.
15321         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
15323 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15325         PR target/63679
15326         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
15327         using get_ref_base_and_extent.
15328         (equal_mem_array_ref_p): New.
15329         (hashable_expr_equal_p): Add call to previous.
15331 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15333         PR target/63679
15334         * tree-sra.c (disqualified_constants, constant_decl_p): New.
15335         (sra_initialize): Allocate disqualified_constants.
15336         (sra_deinitialize): Free disqualified_constants.
15337         (disqualify_candidate): Update disqualified_constants when appropriate.
15338         (create_access): Scan for constant-pool entries as we go along.
15339         (scalarizable_type_p): Add check against type_contains_placeholder_p.
15340         (maybe_add_sra_candidate): Allow constant-pool entries.
15341         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
15342         (initialize_constant_pool_replacements): New.
15343         (sra_modify_assign): Avoid mangling assignments created by previous,
15344         and don't generate writes into constant pool.
15345         (sra_modify_function_body): Call initialize_constant_pool_replacements.
15347 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
15349         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
15350         andnot instruction.
15351         (scalar_chain::convert_op): Likewise.
15352         * config/i386/i386.md (*andndi3_doubleword): New.
15354 2016-01-18  Richard Biener  <rguenther@suse.de>
15356         PR tree-optimization/69170
15357         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
15358         building a vector from scalar results of a pattern stmt.
15360 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
15362         * haifa-sched.c (autopref_multipass_init): Work around
15363         -Wmaybe-uninitialized warning.
15365 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15367         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15368         against the constant 0.
15370 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15372         PR tree-optimization/68799
15373         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15374         look up phi candidates in the statement-candidate map.
15375         (phi_add_costs): Likewise.
15376         (record_phi_increments): Likewise.
15377         (phi_incr_cost): Likewise.
15378         (ncd_with_phi): Likewise.
15379         (all_phi_incrs_profitable): Likewise.
15381 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
15383         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
15384         -Wmaybe-uninitialized warning.
15386 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
15388         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15389         (Option Summary): Update to reflect new section and moved options.
15390         (C++ Dialect Options): Move -fvtable-verify and related options.
15391         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
15392         and profiling-related options.
15393         (Optimization Options): Move profile generation options and
15394         -fstack-protector and related options.
15395         (Instrumentation Options): New section incorporating moved options.
15396         (Code Generation Options): Move -finstrument-functions and
15397         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
15399 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15401         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
15403 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15405         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
15407 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
15409         * hash-table.h (hash_table::empty): Turn into an inline wrapper
15410         that checks whether the table is already empty.  Rename the
15411         original implementation to...
15412         (hash_table::empty_slot): ...this new private function.
15414 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
15416         PR diagnostic/68899
15417         * diagnostic-show-locus.c (layout::print_source_line): Move x
15418         offset of line until after call to
15419         get_line_width_without_trailing_whitespace.
15421 2016-01-15  Jeff Law  <law@redhat.com>
15423         PR tree-optimization/69270
15424         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
15425         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
15426         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
15427         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
15428         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
15429         ssa_name_has_boolean_range and constant_boolean_node.
15431 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
15433         PR rtl-optimization/69030
15434         * lra-spills.c (remove_pseudos): Check nrefs and make the function
15435         returning bool.
15436         (spill_pseudos): Delete debug insn for dead pseudo.
15437         (lra_spill): Initiate spill_hard_reg and slots memory separately.
15439 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
15441         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
15442         New.
15443         (TYPES_UNOPUS): Likewise.
15444         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
15445         builtin type, from UNOP to UNOPUS.
15446         (lbtruncuv4sf): Likewise.
15447         (lbtruncuv2df): Likewise.
15448         (lrounduv2sf): Likewise.
15449         (lrounduv4sf): Likewise.
15450         (lrounduv2df): Likewise.
15451         (lroundusf): Likewise.
15452         (lroundusf): Likewise.
15453         (lceiluv2sf): Likewise.
15454         (lceiluv4sf): Likewise.
15455         (lceiluv2df): Likewise.
15456         (lceilusf): Likewise.
15457         (lceiludf): Likewise.
15458         (lflooruv2sf): Likewise.
15459         (lflooruv4sf): Likewise.
15460         (lflooruv2df): Likewise.
15461         (lfloorusf): Likewise.
15462         (lfloorudf): Likewise.
15463         (lfrintnuv2sf): Likewise.
15464         (lfrintnuv4sf): Likewise.
15465         (lfrintnuv2df): Likewise.
15466         (lfrintnusf): Likewise.
15467         (lfrintnudf): Likewise.
15468         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15469         conversion.
15470         (vcvtq_u32_f32): Likewise.
15471         (vcvtq_u64_f64): Likewise.
15472         (vcvta_u32_f32): Likewise.
15473         (vcvtaq_u32_f32): Likewise.
15474         (vcvtaq_u64_f64): Likewise.
15475         (vcvtm_u32_f32): Likewise.
15476         (vcvtmq_u32_f32): Likewise.
15477         (vcvtmq_u64_f64): Likewise.
15478         (vcvtn_u32_f32): Likwise.
15479         (vcvtnq_u32_f32): Likewise.
15480         (vcvtnq_u64_f64): Likewise.
15481         (vcvtp_u32_f32): Likewise.
15482         (vcvtpq_u32_f32): Likewise.
15483         (vcvtpq_u64_f64): Likewise.
15484         (vcvtmd_u64_f64): Likewise.
15485         (vcvtms_u32_f32): Likewise.
15486         (vcvtad_u64_f64): Likewise.
15487         (vcvtas_u32_f32): Likewise.
15488         (vcvtnd_u64_f64): Likewise.
15489         (vcvtns_u32_f32): Likewise.
15490         (vcvtpd_u64_f64): Likewise.
15491         (vcvtps_u32_f32): Likewise.
15493 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15495         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15496         CSEL of zero_extended registers.
15498 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15500         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15501         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15503 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15505         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15506         false when argument string is not found in the attributes table
15507         at all.
15509 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15511         PR target/68609
15512         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15513         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15514         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15515         precision estimate.
15517 2016-01-15  Richard Biener  <rguenther@suse.de>
15519         PR tree-optimization/66856
15520         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15521         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15522         (vect_create_new_slp_node): Increment stmt reference count.
15523         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15524         an SLP tree before swapping operands.
15525         (vect_build_slp_tree): Likewise.
15526         (destroy_bb_vec_info): Free stmt info after SLP instances.
15527         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15528         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15529         (STMT_VINFO_NUM_SLP_USES): New macro.
15531 2016-01-15  Richard Biener  <rguenther@suse.de>
15533         PR debug/69137
15534         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15535         (add_linkage_name): ... here.
15536         (gen_typedef_die): Use add_linkage_name_raw instead of
15537         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15538         if necessary.
15540 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15542         * gimplify.c (oacc_default_clause): Decode reference and pointer
15543         types for both kernels and parallel regions.
15545 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15547         PR middle-end/69246
15548         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15550 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15552         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15553         (convert_scalars_to_vector): Likewise.
15555 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15557         * doc/extend.texi (Type Traits): Fix grammar.
15559 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15561         * tree-inline.c (remap_decl): Use existing dclarations if
15562         remapping a type and prevent_decl_creation_for_types.
15563         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15564         decls first.  Do real remapping with
15565         prevent_decl_creation_for_types set.
15566         * tree-inline.h (copy_body_data): New field
15567         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15568         padding.
15570 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15572         * config/s390/s390.opt (mmvcle): More verbose help text.
15574 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15576         * config/s390/s390.opt: Add period to -mzvector option text.
15578 2016-01-15  Richard Biener  <rguenther@suse.de>
15580         PR tree-optimization/68961
15581         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15582         of invariants in stores again.
15584 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15586         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15588 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15590         * config/i386/i386.c (ix86_expand_branch): Don't split
15591         DI mode xor instruction to SI mode.
15593 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15595         PR ipa/68148
15596         * ipa-icf.c (sem_function::merge): Virtual functions may become
15597         reachable even if they address is not taken and there are no
15598         idrect calls.
15600 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15602         * lto-streamer-out.c (subtract_estimated_size): New function.
15603         (get_symbol_initial_value): Use it.
15605 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15607         PR target/65837
15608         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15609         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15610         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15611         use add_builtin_function_ext_scope instead of add_builtin_function.
15612         (neon_set_p, neon_crypto_set_p): Remove.
15613         (arm_init_builtins): Always call arm_init_neon_builtins and
15614         arm_init_crypto_builtins.
15615         (arm_expand_builtin): Check that builtins are allowed for the arch.
15616         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15617         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15618         arm_init_neon_builtins call.
15620 2016-01-15  Richard Biener  <rguenther@suse.de>
15622         PR tree-optimization/69117
15623         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15624         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15625         of the leader conservatively.
15626         (free_scc_vn): Restore original SSA name infos.
15628 2016-01-14  Jeff Law  <law@redhat.com>
15630         PR tree-optimization/69270
15631         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15632         single bit of precision, verify it's also unsigned.
15633         (record_edge_info): Use constant_boolean_node rather than fold_convert
15634         to convert boolean_true/boolean_false to the right type.
15636 2016-01-14  Richard Henderson  <rth@redhat.com>
15638         PR rtl-opt/69014
15639         * loop-doloop.c (record_reg_sets): New.
15640         (doloop_optimize): Reject the transform if the sequence
15641         clobbers registers live at the end of the loop block.
15642         (doloop_optimize_loops): Enable df_live if needed.
15644 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15646         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15647         * config/rs6000/rs6000.c: Likewise.
15648         * config/rs6000/rs6000.h: Likewise.
15649         * config/rs6000/rs6000.md: Likewise.
15650         * doc/extend.texi: Likewsie.
15652 2016-01-14  Jeff Law  <law@redhat.com>
15654         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15655         typo.
15657 2016-01-14  Richard Henderson  <rth@redhat.com>
15659         PR c/69272
15660         PR tree-opt/68964
15661         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15662         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15663         instead of builtin_decl_declared_p to test for declaration.
15665 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15667         * doc/loop.texi (Loop Analysis and Representation): Document
15668         loop_depth function.
15670 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15672         PR tree-optimization/68773
15673         * omp-low.c (expand_omp_target): Don't set force_output.
15674         * varpool.c (varpool_node::get_create): Same.
15675         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15676         offload_funcs with force_output.
15678 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15680         PR debug/69244
15681         * lra-eliminations.c (move_plus_up): Don't change anything if either
15682         the outer or inner subreg mode is not MODE_INT.
15683         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15684         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15686 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15688         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15689         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15690         reduc_uplus_@var{m}): Remove.
15691         * expr.c (expand_expr_real_2): Remove expansion path for
15692         reduc_[us](min|max|plus) optabs.
15693         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15694         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15695         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15696         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15697         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15698         reduc_[us](min|max|plus) optabs.
15700 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15702         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15703         (reduc_plus_scal_v2sf): New.
15704         (reduc_smax_v2sf): Rename to...
15705         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15706         (reduc_smin_v2sf): Rename to...
15707         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15709 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15711         * alias.c (compare_base_symbol_refs): New function.
15712         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15713         it.
15715 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15717         PR middle-end/68146
15718         PR tree-optimization/69155
15719         * tree-complex.c: Include cfganal.h.
15720         (phis_to_revisit): New variable.
15721         (extract_component): Add phiarg_p argument.  Assert that returned
15722         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15723         (update_phi_components): Partly rewrite to use loop over real/imag
15724         components instead of code duplication.  If extract_component returns
15725         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15726         create_tmp_reg into the PHI node instead, and mention the phi triplet
15727         in phis_to_revisit.
15728         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15729         in phis_to_revisit at the end.
15731 2016-01-14  Richard Biener  <rguenther@suse.de>
15733         PR tree-optimization/68060
15734         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15735         outer loop reduction is only used in the inner loop before
15736         detecting a double reduction.
15738 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15740         PR target/68269
15741         * combine.c (expand_field_assignment): Punt if compute_mode is
15742         unsupported scalar mode.
15744 2016-01-14  Richard Biener  <rguenther@suse.de>
15746         PR tree-optimization/66856
15747         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15748         SLP node only if it built successfully.
15749         (vect_analyze_slp_instance): Adjust.
15751 2016-01-14  Jeff Law  <law@redhat.com>
15753         PR tree-optimization/69270
15754         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15755         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15756         to the type of op0.
15758 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15760         PR ipa/66487
15761         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15762         use block_ultimate_origin
15763         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15765 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15767         * doc/invoke.texi (Submodel Options): Rename section to
15768         "Machine-Dependent Options" to better reflect its content.
15769         Rewrite introductory text to remove archaic CPU names.
15770         Update references.
15772 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15774         * doc/invoke.texi (Code Gen Options): Move section up in file,
15775         before target-specific options.  Update menu and option summary
15776         to reflect the new section ordering.
15778 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15780         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15781         (C++ Dialect Options): Add cross-reference to -std option.
15782         * doc/standards.texi (C++ Language): Document C++14 support.
15784 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15786         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15787         for pack/unpack functions for __ibm128.
15788         (PACK_IF): Likewise.
15789         (UNPACK_IF): Likewise.
15791         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15792         support for __ibm128 pack/unpack functions.
15793         (rs6000_invalid_builtin): Likewise.
15794         (rs6000_init_builtins): Likewise.
15795         (rs6000_opt_masks): Likewise.
15797         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15798         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15799         functions
15800         (RS6000_BTM_COMMON): Likewise.
15802         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15803         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15804         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15805         128-bit floating point.  Add support for the double values to be
15806         in Altivec registers for TF/IF packing and unpacking, but restrict
15807         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15808         register support for packing.  Allow pack inputs to be memory
15809         locations.  Don't build generator functions for unpack<mode>_dm
15810         and unpack<mode>_nodm.
15811         (unpack<mode>_dm): Likewise.
15812         (unpack<mode>_nodm): Likewise.
15813         (pack<mode>): Likewise.
15815         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15816         built-in functions to pack/unpack explicit __ibm128 values.
15817         (__builtin_unpack_ibm128): Likewise.
15819         * doc/extend.texi (PowerPC Built-in Functions): Document
15820         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15822 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15824         PR c/66208
15825         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15826         Add new arg loc and pass it down as context.
15827         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15828         to the location to use for the warning.
15829         (check_function_arguments): New arg loc.  All callers changed.  Pass
15830         it to check_function_nonnull.
15831         * c-common.h (check_function_arguments): Adjust declaration.
15833 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15835         PR tree-optimization/69156
15836         * gimple.c (validate_type): Removed.
15837         (gimple_builtin_call_types_compatible_p): Use
15838         useless_type_conversion_p instead of validate_type.
15839         * value-prof.c (gimple_stringop_fixed_value): Fold
15840         icall_size to correct type.
15842 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15844         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15845         effects.
15847 2016-01-13  Richard Henderson  <rth@redhat.com>
15849         PR tree-opt/68964
15850         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15851         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15852         (ix86_builtin_tm_store): Remove.
15853         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15854         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15855         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15856         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15857         * doc/tm.texi: Rebuild.
15859         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15860         (BUILT_IN_TM_MEMCPY_RTWN): New.
15861         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15862         fallback from vector to integer helpers.
15863         (build_tm_load): Handle vector types directly, instead of
15864         via target hook.
15865         (build_tm_store): Likewise.
15866         (expand_assign_tm): Prepare for register types not handled by
15867         the above.  Copy them to memory and use memcpy.
15868         * tree.c (tm_define_builtin): New.
15869         (find_tm_vector_type): New.
15870         (build_tm_vector_builtins): New.
15871         (build_common_builtin_nodes): Call it.
15873 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15875         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15876         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15878 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15880         PR tree-optimization/69169
15881         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15882         handled_struct_type param.
15883         (create_variable_info_for, intra_create_variable_infos): Call
15884         create_variable_info_for_1 with extra arg.
15886 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15888         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15889         and "armv8.1-a+crc" entries.
15891 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15893         PR target/69228
15894         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15895         Change first operand predicate from register_or_constm1_operand
15896         to register_operand.
15897         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15898         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15899         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15900         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15901         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15902         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15903         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15904         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15905         comparison with constm1_rtx from vec_prefetch_gen part.
15907 2016-01-13  Richard Biener  <rguenther@suse.de>
15909         PR tree-optimization/69013
15910         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15911         Exchange assert for a test.
15913 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15915         PR target/69247
15916         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15918 2016-01-13  Richard Biener  <rguenther@suse.de>
15920         PR tree-optimization/69242
15921         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15922         assert with a check.
15924 2016-01-13  Richard Biener  <rguenther@suse.de>
15926         PR tree-optimization/69186
15927         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15928         Properly guard vect_update_misalignment_for_peel call.
15930 2016-01-12  Jeff Law  <law@redhat.com>
15932         PR tree-optimization/pr67755
15933         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15934         "need_profile_correction".
15935         (thread_block_1): Initialize new field to false by default.  If we
15936         have multiple thread paths through a common joiner to different
15937         final targets, then set new field to true.
15938         (compute_path_counts): Only do count adjustment when it's really
15939         needed.
15941 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15943         * doc/invoke.texi (Spec Files): Move section down in file, past
15944         all command-line option descriptions.
15946 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15948         PR middle-end/54809
15949         * doc/gty.texi: Remove documentation of mark_hook.
15950         * gengtype.c (struct write_types_data): Remove code to support
15951         mark_hook attribute.
15952         (walk_type): Likewise.
15953         (write_func_for_structure): Likewise.
15955 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15957         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15958         Directory Options, and -specs= to Overall Options.
15959         (Overall Options): Adjust similarly.  Reorder to group related
15960         options together.  Make -specs= cross-reference the spec file details.
15961         (Directory Options): Adjust similarly.
15963 2016-01-12  Jeff Law  <law@redhat.com>
15965         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15967 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15969         * gcc.c (spec_undefvar_allowed): New global.
15970         (process_command): Set to true when running for --version or --help,
15971         alone or together.
15972         (getenv_spec_function): When the variable is not defined, use the
15973         variable name as the variable value if we're allowed not to issue
15974         a fatal error.
15976 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15978         PR tree-optimization/68911
15979         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15980         information computed for expression "init + nit * step".
15982 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15984         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15985         about name of GCC executable.  Remove deleted node from menu.
15986         (Directory Options) <-B>: Remove cross-reference to deleted node.
15987         (Target Options): Delete section.
15989 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15991         PR target/69180
15992         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15993         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15995 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15997         PR target/69198
15998         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15999         aligned_mem is properly set for AVX512-VL floating point masked
16000         stores.
16002         PR target/69175
16003         * ifcvt.c (cond_exec_process_if_block): When removing the last
16004         insn from then_bb, remove also any possible barriers that follow it.
16006 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
16008         PR target/68456
16009         PR target/69226
16010         * config/i386/iamcu.h (SIZE_TYPE): New macro.
16011         (PTRDIFF_TYPE): Likewise.
16012         (WCHAR_TYPE): Likewise.
16013         (WCHAR_TYPE_SIZE): Likewise.
16014         (STDINT_LONG32): Likewise.
16016 2016-01-12  Richard Biener  <rguenther@suse.de>
16018         PR tree-optimization/69053
16019         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
16020         convert initial value for cond reductions.
16022 2016-01-12  Richard Biener  <rguenther@suse.de>
16024         PR tree-optimization/69007
16025         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
16026         widen_sum after dot_prod and sad.
16028 2016-01-12  Richard Biener  <rguenther@suse.de>
16030         PR tree-optimization/69168
16031         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
16032         pattern stmt SLP type.
16033         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
16034         end up unused so cope with that case.
16036 2016-01-12  Richard Biener  <rguenther@suse.de>
16038         PR tree-optimization/69157
16039         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
16040         stmts def type only during analyze phase.
16041         (vectorizable_call): Likewise.
16042         (vectorizable_simd_clone_call): Likewise.
16043         (vectorizable_conversion): Likewise.
16044         (vectorizable_assignment): Likewise.
16045         (vectorizable_shift): Likewise.
16046         (vectorizable_operation): Likewise.
16047         (vectorizable_store): Likewise.
16048         (vectorizable_load): Likewise.
16050 2016-01-12  Richard Biener  <rguenther@suse.de>
16052         PR tree-optimization/69174
16053         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
16054         space.
16055         (vectorizable_load): Properly compute the number of loads needed
16056         for permuted strided SLP loads and do not spuriously assign
16057         to SLP_TREE_VEC_STMTS.
16059 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
16061         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
16062         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
16063         (MD_EXEC_PREFIX): Remove.
16064         (MD_STARTFILE_PREFIX) Removee.
16065         (FILE_NAME_ABSOLUTE_P): Remove.
16066         (CPP_SPEC): Do not read macros from sys/version.h.
16067         (LINK_COMMAND_SPEC): Remove.
16068         (LOCAL_INCLUDE_DIR): Remove.
16069         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
16070         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
16071         (POST_LINK_SPEC): Define to invoke stubify after linker
16072         (LIBSTDCXX): Remove define
16073         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
16074         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
16075         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
16076         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
16077         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
16078         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
16079         (i386_djgpp_asm_named_section): Add propotype of new procedure
16081         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
16082         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
16083         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
16084         in config/i386/djgpp.h).
16085         (STANDARD_STARTFILE_PREFIX_2): Define identical to
16086         STANDARD_STARTFILE_PREFIX_1.
16087         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
16088         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
16089         installation errors.
16090         (MAX_OFILE_ALIGNMENT): Define to 128.
16091         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
16093         * config/i386/djgpp.c: New file. Add implementation of
16094         i386_djgpp_asm_named_section.
16096         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
16098         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
16099         Add rule for building djgpp.o.
16101 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16103         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
16104         (rtx_is_swappable_p): Reductions are swappable.
16105         (insn_is_swappable_p): V2DF reductions are swappable.
16107 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
16109         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
16110         reloads for other unsupported memory operands.
16112 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
16113             Jim Wilson  <jim.wilson@linaro.org>
16115         PR target/69194
16116         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
16117         copy_to_mode_reg instead of force_reg.
16119 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16121         PR target/69225
16122         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
16123         TARGET_80387 is true.
16125 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
16127         PR target/69071
16128         * lra-eliminations.c (move_plus_up): Only move plus up
16129         if subreg of the constant can be simplified into constant
16130         and use the simplified subreg of the constant instead of
16131         the original constant.
16133         * fold-const.c (fold_convertible_p): Don't return true
16134         for conversion of VECTOR_TYPE to same sized integral type.
16135         (fold_convert_loc): Fix up formatting.  Fold conversion of
16136         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
16137         instead of NOP_EXPR.
16139         PR tree-optimization/69214
16140         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
16141         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
16142         Formatting fix.
16144         PR tree-optimization/69207
16145         * tree-vect-slp.c (vect_get_constant_vectors): For
16146         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
16147         fold_convertible_p to vector_type's element type, and always
16148         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
16150 2016-01-11  Richard Biener  <rguenther@suse.de>
16152         PR tree-optimization/69173
16153         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
16154         fixup the cycle if all stmts are in a pattern.
16156 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
16158         PR middle-end/68999
16159         * alias.c (base_alias_check): Move check for addresses with
16160         alignment ANDs before the call for compare_base_decls.
16161         (memrefs_conflict_p): Return -1 for different decls
16162         that went through alignment adjustments.
16164 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16166         PR rtl-optimization/68796
16167         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
16168         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
16169         and QImode comparisons against zero with CC_NZmode.
16170         * config/aarch64/iterators.md (short_mask): New mode_attr.
16172 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16174         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
16175         (<avx512>_store<mode>_mask): Likewise.
16177 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
16178             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16180         PR rtl-optimization/68841
16181         * ifcvt.c (struct noce_if_info): Add orig_x field.
16182         (bbs_ok_for_cmove_arith): Add to_rename parameter.
16183         Don't record conflicts on to_rename if it's present.
16184         Allow memory destinations in sets.
16185         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
16186         blocks, passing orig_x to the checks.
16187         (noce_process_if_block): Set if_info->orig_x appropriately.
16189 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16191         PR tree-optimization/69069
16192         * tree-parloops.c (create_parallel_loop): Add missing phi args.
16194 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
16196         PR rtl-optimization/68920
16197         * config/i386/i386.c (ix86_option_override_internal): Restrict number
16198         of conditional moves for  RTL if-conversion to 1 for
16199         TARGET_ONE_IF_CONV_INSN.
16200         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
16201         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
16202         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
16203         parameter to restirct number of conditional moves for
16204         RTL if-conversion.
16205         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
16206         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
16207         conditionl moves.
16209 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
16211         PR bootstrap/69123
16212         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
16213         onepart vars.  Fix typo in comment.  Fix reversed condition in
16214         unshare test.
16215         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
16217         PR bootstrap/69123
16218         * var-tracking.c (dump_onepart_variable_differences): New.
16219         (dataflow_set_different): If a detailed dump is requested,
16220         delay early returns and dump differences between onepart
16221         variables present before and after, and added variables.
16223 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
16225         PR target/69010
16226         * expr.c (expand_expr_real_1): For boolean vector constants
16227         with a scalar mode use const_scalar_mask_from_tree.
16228         (const_scalar_mask_from_tree): New.
16229         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
16230         assigned to a mask type to handle constants.
16232 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16234         PR ipa/69044
16235         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
16236         useless parameters if we cannot change function signature.
16238 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16240         PR ipa/66616
16241         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
16242         flag.
16244 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16246         PR tree-optimization/69109
16247         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
16248         latch with phi.
16250 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16252         PR tree-optimization/69108
16253         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
16254         res is not used in a phi.
16256 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
16258         PR 67425
16259         * common.opt (frandom-seed): Fix parameter name.
16260         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
16262 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16264         PR tree-optimization/69058
16265         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
16266         not supported.
16268 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
16270         * config/arc/arc.opt (mdiv-rem): Add period to the end.
16271         (mcode-density): Likewise.
16273 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16275         PR tree-optimization/69062
16276         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
16277         (parallelize_loops): Don't paralelize loop that has phi with address
16278         arg.
16280 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16282         PR tree-optimization/69039
16283         * tree-parloops.c (try_create_reduction_list): Only allow single exit
16284         phi for reduction.
16286 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
16288         PR middle-end/68743
16289         * match.pd: Require target has function_c99_misc before doing
16290         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
16292 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
16294         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
16295         use GMPINC.
16296         * configure: Regenerate.
16298 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
16300         PR middle-end/50865
16301         PR tree-optimization/69097
16302         * fold-const.h (expr_not_equal_to): New prototype.
16303         * fold-const.c: Include stringpool.h and tree-ssanames.h.
16304         (expr_not_equal_to): New function.
16305         * match.pd (X % -Y is the same as X % Y): Don't optimize
16306         unless X is known not to be equal to minimum or Y is known
16307         not to be equal to -1.
16308         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
16309         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
16310         (simplify_stmt_using_ranges): Adjust caller.
16311         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
16312         substitute_and_fold.
16314 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
16316         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
16317         w/o DECL_NAME.
16319 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16321         PR tree-optimization/69167
16322         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
16323         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
16324         ops[0] comparison.
16325         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
16327 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16328             Richard Biener  <rguenther@suse.de>
16330         PR tree-optimization/68707
16331         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
16332         instances that can be handled via vect_load_lanes.
16334 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
16336         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
16337         if we can't determine address equivalence.
16338         * alias.c (compare_base_decl): Update for changed return value of
16339         symtab_node::equal_address_to.
16341 2016-01-08  Jason Merrill  <jason@redhat.com>
16343         PR c++/68983
16344         PR c++/67557
16345         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
16346         * expr.c (store_field): Not here.
16347         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
16348         call with TREE_ADDRESSABLE type.
16349         * tree-cfg.c (verify_gimple_call): Adjust.
16351 2016-01-08  Olivier Hainque  <hainque@adacore.com>
16353         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
16354         libc_internal.
16356 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16358         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
16359         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
16360         (reduc_smin_v2sf): Rename to...
16361         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
16362         (reduc_splus_v2sf): Rename to...
16363         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
16365 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16367         PR tree-optimization/69162
16368         * gimplify.c (gimplify_va_arg_expr): Encode original type of
16369         valist argument in another argument.
16370         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
16371         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16372         to determine the va_list type, build a MEM_REF instead of
16373         build_fold_indirect_ref.
16375         PR tree-optimization/69172
16376         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
16377         gimple_build.
16379 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16381         PR tree-optimization/67781
16382         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
16383         and cmpnop in two steps: first the ones not accessed in original
16384         gimple expression in a endian independent way and then the ones not
16385         accessed in the final result in an endian-specific way.
16387 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16389         PR tree-optimization/69083
16390         * tree-vect-slp.c (vect_get_constant_vectors): For
16391         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
16392         element type.  If op is fold_convertible_p to vector_type's element
16393         type, use NOP_EXPR instead of VCE.
16395 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
16397         PR rtl-optimization/67778
16398         PR rtl-optimization/68634
16399         PR rtl-optimization/68909
16400         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
16401         block from the stack until done with it.  Remove a superfluous
16402         bitmap set.  Remove a superfluous bitmap test.
16404 2016-01-07  Martin Sebor  <msebor@redhat.com>
16406         PR c/68966
16407         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
16408         constraint on the type of arguments.
16410 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
16412         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
16413         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
16414         unaligned_access on the gcc_options set.
16415         * config/arm/arm.c (arm_option_override_internal): Use
16416         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
16418 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16420         PR target/69140
16421         * config/i386/i386.c (ix86_frame_pointer_required): Enable
16422         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
16424 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16426         Revert
16427         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16429         PR target/69140
16430         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16431         depending on frame_pointer_needed before remaining integer and SSE
16432         registers are saved.
16434 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
16436         PR 1078
16437         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
16439 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
16441         PR target/69171
16442         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
16443         Use the "xBm" constraint.
16444         (float<sseintvecmodelower><mode>2<mask_name><round_name):
16445         Likewise.
16446         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
16447         (sse_cvtsi2ssq<round_name>): Likewise.
16448         (sse_cvtss2si<round_name>): Likewise.
16449         (sse_cvtss2siq<round_name>): Likewise.
16450         (sse2_cvtsi2sdq<round_name>): Likewise.
16451         (sse2_cvtsd2si<round_name>): Likewise.
16452         (sse2_cvtsd2siq<round_name>): Likewise.
16453         * config/i386/subst.md (round_nimm_scalar_predicate): New
16454         predicate.
16456 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16458         PR middle-end/67639
16459         * varasm.c (make_decl_rtl): Mark invalid register vars as
16460         DECL_EXTERNAL.
16462         PR rtl-optimization/66206
16463         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16464         All callers changed.
16466 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16468         PR tree-optimization/69141
16469         * tree-ssa-pre.c: Include langhooks.h.
16470         (eliminate_dom_walker::before_dom_children): Use
16471         lang_hooks.decl_printable_name instead of
16472         cgraph_node::get ()->name ().
16474         PR middle-end/68960
16475         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16476         it and DECL_ALIGN too.
16478 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16480         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16482 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16484         PR target/69140
16485         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16486         depending on frame_pointer_needed before remaining integer and SSE
16487         registers are saved.
16489 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16491         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16492         mode iterator with VSX_M2.
16493         (*p9_vecstore_<mode>): Likewise.
16494         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16495         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16496         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16497         (define_split for VSX_LE128 stores): Likewise.
16498         (define_peephole2 for TImode LE swaps): Likewise.
16499         (define_split for VSX_LE128 post-reload stores): Likewise.
16501 2016-01-06  Marek Polacek  <polacek@redhat.com>
16503         PR sanitizer/69099
16504         * convert.c (convert_to_integer_1): Adjust call to
16505         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16506         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16507         EXPR instead of ARG.
16508         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16510 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16512         PR 1078
16513         * doc/extend.texi (RL78 Variable Attributes): New section.
16515 2016-01-05  Marek Polacek  <polacek@redhat.com>
16517         PR c/69104
16518         * builtins.c (get_memmodel): Use expansion point location rather than
16519         the input location.  Call warning_at rather than warning.
16520         (expand_builtin_atomic_compare_exchange): Likewise.
16521         (expand_builtin_atomic_load): Likewise.
16522         (expand_builtin_atomic_store): Likewise.
16523         (expand_builtin_atomic_clear): Likewise.
16525 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16527         PR target/68991
16528         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16529         Replace nonimmediate_operand with vector_operand.
16530         * config/i386/predicates.md (vector_operand): New predicate.
16531         (general_vector_operand): Replace nonimmediate_operand with
16532         vector_operand.
16533         * config/i386/sse.md: Replace nonimmediate_operand with
16534         vector_operand and m constraint with Bm constraint on SSE
16535         patterns with 16-byte memory operand.
16536         * config/i386/subst.md (round_nimm_predicate): Replace
16537         nonimmediate_operand with vector_operand.
16538         (round_saeonly_nimm_predicate): Likewise.
16539         (round_saeonly_nimm_scalar_predicate): New.
16541 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16543         PR target/68991
16544         * config/i386/constraints.md (Bm): New constraint.
16545         * config/i386/predicates.md (vector_memory_operand): New
16546         predicate.
16547         * config/i386/sse.md: Replace xm with xBm in plusminus and
16548         any_logic patterns.
16550 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16552         PR 1078
16553         * doc/extend.texi (V850 Function Attributes): New section.
16554         (V850 Variable Attributes): New section.
16556 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16558         PR 1078
16559         * doc/extend.texi (MicroBlaze Function Attributes): Document
16560         interrupt_handler and fast_interrupt attributes.
16562 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16564         PR other/60465
16565         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16566         for local symbolic operands.
16567         * config/ia64/predicates.md (local_symbolic_operand64): New
16568         predicate.
16570 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16572         PR rtl-optimization/68651
16573         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16574         x << 1.
16576 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16578         * alias.c (compare_base_decls): Use symtab_node::get.
16580 2016-01-05  Nick Clifton  <nickc@redhat.com>
16582         PR target/68770
16583         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16584         secondary_reload_info structure.
16586         PR target/66655
16587         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16588         decls if weak support is available.
16590 2016-01-04  Martin Sebor  <msebor@redhat.com>
16592         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16594 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16596         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16597         OPTION_MASK_P9_DFORM.
16599         * config/rs6000/constraints.md (wo constraint): New constraint for
16600         ISA 3.0 (power9).
16602         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16603         for wo constraint.
16604         (rs6000_init_hard_regno_mode_ok): Likewise.
16606         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16607         wo constraint.
16609         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16610         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16611         instruction.  Add support for fusing xxlor with xxperm.
16612         (altivec_vperm_<mode>_internal): Likewise.
16613         (altivec_vperm_v8hiv16qi): Likewise.
16614         (altivec_vperm_<mode>v16q): Likewise.
16615         (altivec_vperm_<mode>_uns): Likewise.
16616         (vperm_v8hiv4si): Likewise.
16617         (vperm_v16qiv8hi): Likewise.
16619         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16621 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16623         Update copyright years.
16625         * gcc.c (process_command): Update copyright notice dates.
16626         * gcov-dump.c (print_version): Ditto.
16627         * gcov.c (print_version): Ditto.
16628         * gcov-tool.c (print_version): Ditto.
16629         * gengtype.c (create_file): Ditto.
16630         * doc/cpp.texi: Bump @copying's copyright year.
16631         * doc/cppinternals.texi: Ditto.
16632         * doc/gcc.texi: Ditto.
16633         * doc/gccint.texi: Ditto.
16634         * doc/gcov.texi: Ditto.
16635         * doc/install.texi: Ditto.
16636         * doc/invoke.texi: Ditto.
16638 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16640         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16641         modes larger than TImode as TImode if NEON is not enabled.
16643 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16645         PR target/69100
16646         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16647         mode for %f0-%f31 only if TARGET_FPU.
16649 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16651         PR target/69072
16652         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16653         to compute the PACKED_P predicate.
16654         (function_arg_record_value): Minor tweaks.
16656 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16658         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16659         option for arm*-*-* targets.
16661 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16663         * doc/extend.texi (Common Function Attributes): Move docs for
16664         MSP430-specific attributes to....
16665         (MSP430 Function Attributes): ...here.  Delete the redundant
16666         entries and copy-edit the remaining text.
16667         (MSP430 Variable Attributes): Use uniform format for index
16668         entries and add a cross-reference to the corresponding function
16669         attribute docs.
16671 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16673         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16674         -finite-math typo.
16675         (x86 Options): Likewise.
16677 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16679         PR 1078
16681         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16682         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16683         to corresponding attribute.
16685 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16687         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16688         to correct alphabetization of table.  Copy-edit and correct
16689         markup.
16690         <stack_protect>: Likewise.
16691         <target_clones>: Likewise.
16692         <simd>: Likewise.
16693         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16694         Correct punctuation.
16695         (Code Gen Options) <-fno-plt>: Copy-edit.
16697 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16699         PR target/68917
16700         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16701         SI values.  Explicitly convert SI to DI and vice-versa.
16703 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16705         PR tree-optimization/69070
16706         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16707         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16709         PR sanitizer/69055
16710         * ubsan.c (ubsan_instrument_float_cast): Call
16711         initialize_sanitizer_builtins.
16713         PR target/69015
16714         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16716 Copyright (C) 2016 Free Software Foundation, Inc.
16718 Copying and distribution of this file, with or without modification,
16719 are permitted in any medium without royalty provided the copyright
16720 notice and this notice are preserved.