* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): New.
[official-gcc.git] / gcc / ChangeLog
blobf9d3a419f1a5b88b43c45e6c65885faca4d7f334
1 2017-09-19  Jeff Law  <law@redhat.com>
3         * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): New.
4         (ix86_expand_prologue): Dump stack clash info as needed.
5         Call ix86_adjust_stack_and_probe_stack_clash as needed.
7         * function.c (dump_stack_clash_frame_info): New function.
8         * function.h (dump_stack_clash_frame_info): Prototype.
9         (enum stack_clash_probes): New enum.
11         * config/alpha/alpha.c (alpha_expand_prologue): Also check
12         flag_stack_clash_protection.
13         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): Likewise.
14         (arm_expand_prologue, thumb1_expand_prologue): Likewise.
15         (arm_frame_pointer_required): Likewise.
16         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
17         (ia64_expand_prologue): Likewise.
18         * config/mips/mips.c (mips_expand_prologue): Likewise.
19         * config/powerpcspe/powerpcspe.c (rs6000_expand_prologue): Likewise.
20         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
21         (sparc_flat_expand_prologue): Likewise.
22         * config/spu/spu.c (spu_expand_prologue): Likewise.
24         * explow.c: Include "params.h".
25         (anti_adjust_stack_and_probe_stack_clash): New function.
26         (get_stack_check_protect): Likewise.
27         (compute_stack_clash_protection_loop_data): Likewise.
28         (emit_stack_clash_protection_loop_start): Likewise.
29         (emit_stack_clash_protection_loop_end): Likewise.
30         (allocate_dynamic_stack_space): Use get_stack_check_protect.
31         Use anti_adjust_stack_and_probe_stack_clash.
32         * explow.h (compute_stack_clash_protection_loop_data): Prototype.
33         (emit_stack_clash_protection_loop_start): Likewise.
34         (emit_stack_clash_protection_loop_end): Likewise.
35         * rtl.h (get_stack_check_protect): Prototype.
36         * target.def (stack_clash_protection_final_dynamic_probe): New hook.
37         * targhooks.c (default_stack_clash_protection_final_dynamic_probe): New.
38         * targhooks.h (default_stack_clash_protection_final_dynamic_probe): 
39         Prototype.
40         * doc/tm.texi.in (TARGET_STACK_CLASH_PROTECTION_FINAL_DYNAMIC_PROBE):
41         Add @hook.
42         * doc/tm.texi: Rebuilt.
43         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use
44         get_stack_check_protect.
45         * config/alpha/alpha.c (alpha_expand_prologue): Likewise.
46         * config/arm/arm.c (arm_expand_prologue): Likewise.
47         (arm_frame_pointer_required): Likewise.
48         * config/i386/i386.c (ix86_expand_prologue): Likewise.
49         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
50         * config/mips/mips.c (mips_expand_prologue): Likewise.
51         * config/powerpcspe/powerpcspe.c (rs6000_emit_prologue): Likewise.
52         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
53         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
54         (sparc_flat_expand_prologue): Likewise.
56         * common.opt (-fstack-clash-protection): New option.
57         * flag-types.h (enum stack_check_type): Note difference between
58         -fstack-check= and -fstack-clash-protection.
59         * params.def (PARAM_STACK_CLASH_PROTECTION_GUARD_SIZE): New PARAM.
60         (PARAM_STACK_CLASH_PROTECTION_PROBE_INTERVAL): Likewise.
61         * toplev.c (process_options): Issue warnings/errors for cases
62         not handled with -fstack-clash-protection.
63         * doc/invoke.texi (-fstack-clash-protection): Document new option.
64         (-fstack-check): Note additional problem with -fstack-check=generic.
65         Note that -fstack-check is primarily for Ada and refer users
66         to -fstack-clash-protection for stack-clash-protection.
67         Document new params for stack clash protection.
69 2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
71         * config/i386/i386.md (*scc_bt<mode>): New insn_and_split pattern.
72         (*scc_bt<mode>_1): Ditto.
73         (*scc_bt<mode>_mask): Ditto.
75 2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
77         * config/i386/i386.c (ix86_split_long_move): Do not handle
78         address used for LEA in a special way.
80 2017-09-19  Segher Boessenkool  <segher@kernel.crashing.org>
82         * simplify-rtx.c (simplify_binary_operation_1): Fix typo in comment.
84 2017-09-19  Martin Sebor  <msebor@redhat.com>
86         PR c/81854
87         * cgraphunit.c (handle_alias_pairs): Reject aliases between functions
88         of incompatible types.
90 2017-09-19  Will Schmidt  <will_schmidt@vnet.ibm.com>
92         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
93         for early folding of vector loads (ALTIVEC_BUILTIN_LVX_*).
94         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
95         Remove obsoleted code for handling ALTIVEC_BUILTIN_VEC_LD.
97 2017-09-19  Richard Biener  <rguenther@suse.de>
99         PR tree-optimization/82244
100         * tree-vrp.c (remove_range_assertions): Do not propagate
101         a constant to abnormals but replace the assert with a copy.
103 2017-09-19  Alexander Monakov  <amonakov@ispras.ru>
105         PR rtl-optimization/57878
106         PR rtl-optimization/68988
107         * lra-assigns.c (reload_pseudo_compare_func): Remove fragmentation
108         avoidance test involving non_reload_pseudos.  Move frequency test
109         below the general fragmentation avoidance test.
111 2017-09-19  Richard Biener  <rguenther@suse.de>
113         PR tree-optimization/69728
114         * graphite-sese-to-poly.c (schedule_error): New global.
115         (add_loop_schedule): Handle empty domain by failing the
116         schedule.
117         (build_original_schedule): Handle schedule_error.
119 2017-09-19  Richard Biener  <rguenther@suse.de>
121         * graphite-scop-detection.c (scop_detection::can_represent_loop):
122         Do not iterate to sibling loops but only to siblings of inner
123         loops.
125 2017-09-18  Andreas Schwab  <schwab@linux-m68k.org>
127         PR target/81613
128         * config/m68k/m68k.md (moveq feeding equality comparison): Check
129         that the registers are different.
131 2017-09-18  Uros Bizjak  <ubizjak@gmail.com>
133         * config/i386/i386.c (fold_builtin_cpu): Add M_AMDFAM17H
134         to processor_model and "amdfam17h" to arch_names_table.
135         * doc/extend.texi (__builtin_cpu_is): Document amdfam17h CPU name.
137 2017-09-18  Jakub Jelinek  <jakub@redhat.com>
139         PR c/82234
140         * doc/extend.texi: Add @findex entry for __builtin_shuffle.
142 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
143             Alan Hayward  <alan.hayward@arm.com>
144             David Sherwood  <david.sherwood@arm.com>
146         * tree-vectorizer.h (vect_slp_analyze_operations): Replace parameters
147         with a vec_info *.
148         * tree-vect-loop.c (vect_analyze_loop_operations): Update call
149         accordingly.
150         * tree-vect-slp.c (vect_slp_analyze_node_operations): Add vec_info *
151         parameter.  Set SLP_TREE_NUMBER_OF_VEC_STMTS here rather than in
152         vect_schedule_slp_instance.
153         (vect_slp_analyze_operations): Replace parameters with a vec_info *.
154         Update call to vect_slp_analyze_node_operations.  Simplify return
155         value.
156         (vect_slp_analyze_bb_1): Update call accordingly.
157         (vect_schedule_slp_instance): Remove vectorization_factor parameter.
158         Don't calculate SLP_TREE_NUMBER_OF_VEC_STMTS here.
159         (vect_schedule_slp): Update call accordingly.
161 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
162             Alan Hayward  <alan.hayward@arm.com>
163             David Sherwood  <david.sherwood@arm.com>
165         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Cope
166         with types that aren't in fact scalar.
168 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
170         * tree-vect-slp.c (vect_record_max_nunits): New function,
171         split out from...
172         (vect_build_slp_tree_1): ...here.
173         (vect_build_slp_tree_2): Call it for phis too.
175 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
177         * tree-vect-stmts.c (vectorizable_mask_load_store): Pass mask_vectype
178         to vect_get_vec_def_for_operand when getting the mask operand.
180 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
181             Alan Hayward  <alan.hayward@arm.com>
182             David Sherwood  <david.sherwood@arm.com>
184         * tree-vect-loop.c (vectorizable_live_operation): Fix type of
185         bitstart.
187 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
188             Alan Hayward  <alan.hayward@arm.com>
189             David Sherwood  <david.sherwood@arm.com>
191         * tree-vect-loop.c (vectorizable_live_operation): Fix element size
192         calculation for vector booleans.
194 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
195             Alan Hayward  <alan.hayward@arm.com>
196             David Sherwood  <david.sherwood@arm.com>
198         * tree-vect-stmts.c (can_vectorize_live_stmts): New function,
199         split out from...
200         (vect_transform_stmt): ...here.
201         (vect_analyze_stmt): Use it instead of calling
202         vectorizable_live_operation directly.
204 2017-09-18  Cesar Philippidis  <cesar@codesourcery.com>
206         * omp-offload.c (oacc_xform_loop): Enable SIMD vectorization on
207         non-SIMT targets in acc vector loops.
209 2017-09-18  Claudiu Zissulescu  <claziss@synopsys.com>
211         * configure.ac: Add arc and check if assembler supports gdwarf2.
212         * configure: Regenerate.
214 2017-09-18  Richard Biener  <rguenther@suse.de>
216         PR tree-optimization/82220
217         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Exclude
218         epilogue niters from the min_profitable_iters compute.
220 2017-09-18  Jakub Jelinek  <jakub@redhat.com>
222         PR target/82145
223         * config/i386/i386.c (ix86_init_large_pic_reg): Revert 2017-09-01
224         changes.  Turn CODE_LABEL into NOTE_INSN_DELETED_LABEL immediately.
225         (ix86_init_pic_reg): Revert 2017-09-01 changes.
227 2017-09-18  Eric Botcazou  <ebotcazou@adacore.com>
229         PR target/81361
230         * dwarf2cfi.c (add_cfis_to_fde): Do not generate DW_CFA_set_loc after
231         switching to a new text section.
233 2017-09-18  Richard Biener  <rguenther@suse.de>
235         * graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref):
236         Simplify.
237         (build_alias_set): Reject aliases with no access function.
239 2017-09-18  Richard Biener  <rguenther@suse.de>
241         PR tree-optimization/79622
242         * graphite-scop-detection.c (build_cross_bb_scalars_def): Properly
243         handle PHIs.
244         (build_cross_bb_scalars_use): Likewise.
246 2017-09-18  Pierre-Marie de Rodat  <derodat@adacore.com>
248         * cgraph.h (cgraph_thunk_info): Fix a typo in a comment.
250 2017-09-18  Alan Modra  <amodra@gmail.com>
252         PR target/81996
253         * gcc/config/rs6000/rs6000.c (rs6000_return_addr): Use
254         stack_pointer_rtx for count 0.  Update comments.  Break up
255         large rtl expression.
257 2017-09-17  Daniel Santos  <daniel.santos@pobox.com>
259         config/i386/i386.c: (xlogue_layout::STUB_NAME_MAX_LEN): Increase to 20
260         bytes.
261         (xlogue_layout::s_stub_names): Add an additional size-2 diminsion.
262         (xlogue_layout::get_stub_name): Modify to select the appropairate sse
263         or avx version of the stub.
265 2017-09-17  H.J. Lu  <hongjiu.lu@intel.com>
267         PR target/82166
268         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Properly
269         compute the minimum stack alignment.  Also update preferred stack
270         boundary for leaf functions.
272 2017-09-16  Richard Sandiford  <richard.sandiford@linaro.org>
274         PR tree-optimization/82228
275         * tree-vect-loop.c (vectorizable_live_operation): Move initialization
276         of ncopies.
278 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
280         * common/config/nds32/nds32-common.c
281         (nds32_option_optimization_table): Refine formatting.
282         (nds32_option_optimization_table): Use -fsched-pressure and
283         -fomit-frame-pointer for specific optimization level.
285 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
287         * config/nds32/nds32.c: Refine formatting and comments.
288         * config/nds32/nds32.h: Likewise.
289         * config/nds32/nds32.md: Likewise.
290         * config/nds32/nds32-cost.c: Likewise.
291         * config/nds32/nds32-isr.c: Likewise.
292         * config/nds32/nds32-md-auxiliary.c: Likewise.
293         * config/nds32/nds32-multiple.md: Likewise.
294         * config/nds32/nds32-predicates.c: Likewise.
296 2017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
297             Jakub Jelinek  <jakub@redhat.com>
299         Add support for -std=c++2a.
300         * doc/cpp.texi (__cplusplus): Document value for -std=c++2a
301         or -std=gnu+2a.
302         * doc/invoke.texi: Document -std=c++2a and -std=gnu++2a.
304 2017-09-15  Steve Ellcey  <sellcey@cavium.com>
306         PR target/82066
307         * doc/extend.texi (Common Function Attributes): Add 
308         references to ARM, AArch64, and S/390 specific attributes.
309         (Function Specific Option Pragmas): Add AArch64 and S/390
310         to list of back ends that support the target pragma.
312 2017-09-15  Nathan Sidwell  <nathan@acm.org>
314         * doc/standards.texi: Fix C++17 description.  Update URLs for
315         C++11 & 14.
317 2017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
319         * common.opt (Wcast-align=strict): New warning option.
320         * doc/invoke.texi: Document -Wcast-align=strict. 
322 2017-09-15  Pierre-Marie de Rodat  <derodat@adacore.com>
324         * cgraph.h (cgraph_thunk_info): Add comments.
325         * cgraph.c (cgraph_node::create_thunk): Adjust comment, make
326         assert for VIRTUAL_* arguments stricter.
328 2017-09-15  Jackson Woodruff  <jackson.woodruff@arm.com>
330         PR tree-optimization/71026
331         * match.pd: Move RDIV patterns from fold-const.c
332         * fold-const.c (distribute_real_division): Removed.
333         (fold_binary_loc): Remove calls to distribute_real_divison.
335 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
337         * doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
338         c++1z and gnu++1z as deprecated.  Change other references to
339         -std=c++1z to -std=c++17 and -std=gnu++1z to -std=gnu++17.
340         Change -Wc++1z-compat to -Wc++17-compat.
341         * doc/cpp.texi: Document -std=c++17 defines __cplusplus 201703L.
342         * dwarf2out.c (highest_c_language): Handle C++17.
343         (gen_compile_unit_die): Likewise.
345 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
347         PR rtl-optimization/82192
348         * combine.c (make_extraction): Don't look through non-paradoxical
349         SUBREGs or TRUNCATE if pos + len is or might be bigger than
350         inner's mode.
352 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
353             Alan Hayward  <alan.hayward@arm.com>
354             David Sherwood  <david.sherwood@arm.com>
356         * target.def (function_arg_offset): New hook.
357         * targhooks.h (default_function_arg_offset): Declare.
358         * targhooks.c (default_function_arg_offset): New function.
359         * function.c (locate_and_pad_parm): Use
360         targetm.calls.function_arg_offset instead of FUNCTION_ARG_OFFSET.
361         * doc/tm.texi.in (FUNCTION_ARG_OFFSET): Replace with...
362         (TARGET_FUNCTION_ARG_OFFSET): ...this.
363         * doc/tm.texi: Regenerate.
364         * config/spu/spu.h (FUNCTION_ARG_OFFSET): Delete.
365         * config/spu/spu.c (spu_function_arg_offset): New function.
366         (TARGET_FUNCTION_ARG_OFFSET): Redefine.
367         * system.h (FUNCTION_ARG_OFFSET): Poison.
369 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
370             Alan Hayard  <alan.hayward@arm.com>
371             David Sherwood  <david.sherwood@arm.com>
373         * target.def (truly_noop_truncation): New hook.
374         (mode_rep_extended): Refer to TARGET_TRULY_NOOP_TRUNCATION rather
375         than TRULY_NOOP_TRUNCATION.
376         * hooks.h (hook_bool_uint_uint_true): Declare.
377         * hooks.c (hook_bool_uint_uint_true): New function.
378         * doc/tm.texi.in (TRULY_NOOP_TRUNCATION): Replace with...
379         (TARGET_TRULY_NOOP_TRUNCATION): ...this.
380         * doc/tm.texi: Regenerate.
381         * combine.c (make_extraction): Refer to TARGET_TRULY_NOOP_TRUNCATION
382         rather than TRULY_NOOP_TRUNCATION in comments.
383         (simplify_comparison): Likewise.
384         (record_truncated_value): Likewise.
385         * expmed.c (extract_bit_field_1): Likewise.
386         (extract_split_bit_field): Likewise.
387         * convert.c (convert_to_integer_1): Use targetm.truly_noop_truncation
388         instead of TRULY_NOOP_TRUNCATION.
389         * function.c (assign_parm_setup_block): Likewise.
390         * machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): Likewise.
391         * rtlhooks.c: Include target.h.
392         * config/aarch64/aarch64.h (TRULY_NOOP_TRUNCATION): Delete.
393         * config/alpha/alpha.h (TRULY_NOOP_TRUNCATION): Delete.
394         * config/arc/arc.h (TRULY_NOOP_TRUNCATION): Delete.
395         * config/arm/arm.h (TRULY_NOOP_TRUNCATION): Delete.
396         * config/avr/avr.h (TRULY_NOOP_TRUNCATION): Delete.
397         * config/bfin/bfin.h (TRULY_NOOP_TRUNCATION): Delete.
398         * config/c6x/c6x.h (TRULY_NOOP_TRUNCATION): Delete.
399         * config/cr16/cr16.h (TRULY_NOOP_TRUNCATION): Delete.
400         * config/cris/cris.h (TRULY_NOOP_TRUNCATION): Delete.
401         * config/epiphany/epiphany.h (TRULY_NOOP_TRUNCATION): Delete.
402         * config/fr30/fr30.h (TRULY_NOOP_TRUNCATION): Delete.
403         * config/frv/frv.h (TRULY_NOOP_TRUNCATION): Delete.
404         * config/ft32/ft32.h (TRULY_NOOP_TRUNCATION): Delete.
405         * config/h8300/h8300.h (TRULY_NOOP_TRUNCATION): Delete.
406         * config/i386/i386.h (TRULY_NOOP_TRUNCATION): Delete.
407         * config/ia64/ia64.h (TRULY_NOOP_TRUNCATION): Delete.
408         * config/iq2000/iq2000.h (TRULY_NOOP_TRUNCATION): Delete.
409         * config/lm32/lm32.h (TRULY_NOOP_TRUNCATION): Delete.
410         * config/m32c/m32c.h (TRULY_NOOP_TRUNCATION): Delete.
411         * config/m32r/m32r.h (TRULY_NOOP_TRUNCATION): Delete.
412         * config/m68k/m68k.h (TRULY_NOOP_TRUNCATION): Delete.
413         * config/mcore/mcore.h (TRULY_NOOP_TRUNCATION): Delete.
414         * config/microblaze/microblaze.h (TRULY_NOOP_TRUNCATION): Delete.
415         * config/mips/mips.h (TRULY_NOOP_TRUNCATION): Delete.
416         * config/mips/mips.c (mips_truly_noop_truncation): New function.
417         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
418         * config/mips/mips.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
419         rather than TRULY_NOOP_TRUNCATION in comments.
420         * config/mmix/mmix.h (TRULY_NOOP_TRUNCATION): Delete.
421         * config/mn10300/mn10300.h (TRULY_NOOP_TRUNCATION): Delete.
422         * config/moxie/moxie.h (TRULY_NOOP_TRUNCATION): Delete.
423         * config/msp430/msp430.h (TRULY_NOOP_TRUNCATION): Delete.
424         * config/nds32/nds32.h (TRULY_NOOP_TRUNCATION): Delete.
425         * config/nios2/nios2.h (TRULY_NOOP_TRUNCATION): Delete.
426         * config/nvptx/nvptx.h (TRULY_NOOP_TRUNCATION): Delete.
427         * config/pa/pa.h (TRULY_NOOP_TRUNCATION): Delete.
428         * config/pdp11/pdp11.h (TRULY_NOOP_TRUNCATION): Delete.
429         * config/powerpcspe/powerpcspe.h (TRULY_NOOP_TRUNCATION): Delete.
430         * config/riscv/riscv.h (TRULY_NOOP_TRUNCATION): Delete.
431         * config/riscv/riscv.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
432         rather than TRULY_NOOP_TRUNCATION in comments.
433         * config/rl78/rl78.h (TRULY_NOOP_TRUNCATION): Delete.
434         * config/rs6000/rs6000.h (TRULY_NOOP_TRUNCATION): Delete.
435         * config/rx/rx.h (TRULY_NOOP_TRUNCATION): Delete.
436         * config/s390/s390.h (TRULY_NOOP_TRUNCATION): Delete.
437         * config/sh/sh.h (MAYBE_BASE_REGISTER_RTX_P): Remove
438         TRULY_NOOP_TRUNCATION condition.
439         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
440         (TRULY_NOOP_TRUNCATION): Delete.
441         * config/sparc/sparc.h (TRULY_NOOP_TRUNCATION): Delete.
442         * config/spu/spu.h (TRULY_NOOP_TRUNCATION): Delete.
443         * config/spu/spu.c (spu_truly_noop_truncation): New function.
444         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
445         * config/stormy16/stormy16.h (TRULY_NOOP_TRUNCATION): Delete.
446         * config/tilegx/tilegx.h (TRULY_NOOP_TRUNCATION): Delete.
447         * config/tilegx/tilegx.c (tilegx_truly_noop_truncation): New fuction.
448         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
449         * config/tilegx/tilegx.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
450         rather than TRULY_NOOP_TRUNCATION in comments.
451         * config/tilepro/tilepro.h (TRULY_NOOP_TRUNCATION): Delete.
452         * config/v850/v850.h (TRULY_NOOP_TRUNCATION): Delete.
453         * config/vax/vax.h (TRULY_NOOP_TRUNCATION): Delete.
454         * config/visium/visium.h (TRULY_NOOP_TRUNCATION): Delete.
455         * config/xtensa/xtensa.h (TRULY_NOOP_TRUNCATION): Delete.
456         * system.h (TRULY_NOOP_TRUNCATION): Poison.
458 2017-09-15  Christophe Lyon  <christophe.lyon@linaro.org>
460         PR target/67591
461         * config/arm/arm.md (*cmp_and): Add enabled_for_depr_it attribute.
462         (*cmp_ior): Likewise.
463         (*ior_scc_scc): Add alternative for enabled_for_depr_it attribute.
464         (*ior_scc_scc_cmp): Likewise.
465         (*and_scc_scc): Likewise.
466         (*and_scc_scc_cmp): Likewise.
468 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
469             Alan Hayard  <alan.hayward@arm.com>
470             David Sherwood  <david.sherwood@arm.com>
472         * target.def (can_change_mode_class): New hook.
473         (mode_rep_extended): Refer to it instead of CANNOT_CHANGE_MODE_CLASS.
474         (hard_regno_nregs): Likewise.
475         * hooks.h (hook_bool_mode_mode_reg_class_t_true): Declare.
476         * hooks.c (hook_bool_mode_mode_reg_class_t_true): New function.
477         * doc/tm.texi.in (CANNOT_CHANGE_MODE_CLASS): Replace with...
478         (TARGET_CAN_CHANGE_MODE_CLASS): ...this.
479         (LOAD_EXTEND_OP): Update accordingly.
480         * doc/tm.texi: Regenerate.
481         * doc/rtl.texi: Refer to TARGET_CAN_CHANGE_MODE_CLASS instead of
482         CANNOT_CHANGE_MODE_CLASS.
483         * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Replace with...
484         (REG_CAN_CHANGE_MODE_P): ...this new macro.
485         * combine.c (simplify_set): Update accordingly.
486         * emit-rtl.c (validate_subreg): Likewise.
487         * recog.c (general_operand): Likewise.
488         * regcprop.c (mode_change_ok): Likewise.
489         * reload1.c (choose_reload_regs): Likewise.
490         (inherit_piecemeal_p): Likewise.
491         * rtlanal.c (simplify_subreg_regno): Likewise.
492         * postreload.c (reload_cse_simplify_set): Use REG_CAN_CHANGE_MODE_P
493         instead of CANNOT_CHANGE_MODE_CLASS.
494         (reload_cse_simplify_operands): Likewise.
495         * reload.c (push_reload): Use targetm.can_change_mode_class
496         instead of CANNOT_CHANGE_MODE_CLASS.
497         (push_reload): Likewise.  Also use REG_CAN_CHANGE_MODE_P instead of
498         REG_CANNOT_CHANGE_MODE_P.
499         * config/alpha/alpha.h (CANNOT_CHANGE_MODE_CLASS): Delete.
500         * config/alpha/alpha.c (alpha_can_change_mode_class): New function.
501         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
502         * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Delete.
503         * config/arm/arm.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
504         (arm_can_change_mode_class): New function.
505         * config/arm/neon.md: Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
506         than CANNOT_CHANGE_MODE_CLASS in comments.
507         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Delete.
508         * config/i386/i386-protos.h (ix86_cannot_change_mode_class): Delete.
509         * config/i386/i386.c (ix86_cannot_change_mode_class): Replace with...
510         (ix86_can_change_mode_class): ...this new function, inverting the
511         sense of the return value.
512         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
513         * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Delete.
514         * config/ia64/ia64.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
515         (ia64_can_change_mode_class): New function.
516         * config/m32c/m32c.h (CANNOT_CHANGE_MODE_CLASS): Delete.
517         * config/m32c/m32c-protos.h (m32c_cannot_change_mode_class): Delete.
518         * config/m32c/m32c.c (m32c_cannot_change_mode_class): Replace with...
519         (m32c_can_change_mode_class): ...this new function, inverting the
520         sense of the return value.
521         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
522         * config/mips/mips.h (CANNOT_CHANGE_MODE_CLASS): Delete.
523         * config/mips/mips-protos.h (mips_cannot_change_mode_class): Delete.
524         * config/mips/mips.c (mips_cannot_change_mode_class): Replace with...
525         (mips_can_change_mode_class): ...this new function, inverting the
526         sense of the return value.
527         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
528         * config/msp430/msp430.h (CANNOT_CHANGE_MODE_CLASS): Delete.
529         * config/msp430/msp430.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
530         (msp430_can_change_mode_class): New function.
531         * config/nvptx/nvptx.h (CANNOT_CHANGE_MODE_CLASS): Delete.
532         * config/nvptx/nvptx.c (nvptx_can_change_mode_class): New function.
533         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
534         * config/pa/pa32-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
535         * config/pa/pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
536         * config/pa/pa-protos.h (pa_cannot_change_mode_class): Delete.
537         * config/pa/pa.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
538         (pa_cannot_change_mode_class): Replace with...
539         (pa_can_change_mode_class): ...this new function, inverting the
540         sense of the return value.
541         (pa_modes_tieable_p): Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
542         than CANNOT_CHANGE_MODE_CLASS in comments.
543         * config/pdp11/pdp11.h (CANNOT_CHANGE_MODE_CLASS): Delete.
544         * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class): Delete.
545         * config/pdp11/pdp11.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
546         (pdp11_cannot_change_mode_class): Replace with...
547         (pdp11_can_change_mode_class): ...this new function, inverting the
548         sense of the return value.
549         * config/powerpcspe/powerpcspe.h (CANNOT_CHANGE_MODE_CLASS): Delete.
550         * config/powerpcspe/powerpcspe-protos.h
551         (rs6000_cannot_change_mode_class_ptr): Delete.
552         * config/powerpcspe/powerpcspe.c
553         (rs6000_cannot_change_mode_class_ptr): Delete.
554         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
555         (rs6000_option_override_internal): Assign to
556         targetm.can_change_mode_class instead of
557         rs6000_cannot_change_mode_class_ptr.
558         (rs6000_cannot_change_mode_class): Replace with...
559         (rs6000_can_change_mode_class): ...this new function, inverting the
560         sense of the return value.
561         (rs6000_debug_cannot_change_mode_class): Replace with...
562         (rs6000_debug_can_change_mode_class): ...this new function.
563         * config/riscv/riscv.h (CANNOT_CHANGE_MODE_CLASS): Delete.
564         * config/riscv/riscv.c (riscv_can_change_mode_class): New function.
565         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
566         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Delete.
567         * config/rs6000/rs6000-protos.h (rs6000_cannot_change_mode_class_ptr):
568         Delete.
569         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class_ptr): Delete.
570         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
571         (rs6000_option_override_internal): Assign to
572         targetm.can_change_mode_class instead of
573         rs6000_cannot_change_mode_class_ptr.
574         (rs6000_cannot_change_mode_class): Replace with...
575         (rs6000_can_change_mode_class): ...this new function, inverting the
576         sense of the return value.
577         (rs6000_debug_cannot_change_mode_class): Replace with...
578         (rs6000_debug_can_change_mode_class): ...this new function.
579         * config/s390/s390.h (CANNOT_CHANGE_MODE_CLASS): Delete.
580         * config/s390/s390-protos.h (s390_cannot_change_mode_class): Delete.
581         * config/s390/s390.c (s390_cannot_change_mode_class): Replace with...
582         (s390_can_change_mode_class): ...this new function, inverting the
583         sense of the return value.
584         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
585         * config/sh/sh.h (CANNOT_CHANGE_MODE_CLASS): Delete.
586         * config/sh/sh-protos.h (sh_cannot_change_mode_class): Delete.
587         * config/sh/sh.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
588         (sh_cannot_change_mode_class): Replace with...
589         (sh_can_change_mode_class): ...this new function, inverting the
590         sense of the return value.
591         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): Delete.
592         * config/sparc/sparc.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
593         (sparc_can_change_mode_class): New function.
594         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Delete.
595         * config/spu/spu.c (spu_can_change_mode_class): New function.
596         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
597         * config/visium/visium.h (CANNOT_CHANGE_MODE_CLASS): Delete.
598         * config/visium/visium.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
599         (visium_can_change_mode_class): New function.
600         * system.h (CANNOT_CHANGE_MODE_CLASS): Poison.
602 2017-09-15  Richard Biener  <rguenther@suse.de>
604         PR tree-optimization/82217
605         * tree-ssa-sccvn.c (visit_phi): Properly handle all VN_TOP
606         but not undefined case.
608 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
610         PR target/82145
611         * postreload.c (reload_cse_simplify_operands): Skip
612         NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL.
614 2017-09-15  Richard Biener  <rguenther@suse.de>
616         PR tree-optimization/68823
617         * graphite-scop-detection.c (build_alias_set): If we have a
618         possible dependence check whether we can handle them by just
619         looking at the DRs DR_ACCESS_FNs.
620         (build_scops): If build_alias_set fails, fail the SCOP.
622 2017-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
624         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_1_HW): New macros
625         to support float128 built-in functions that require the ISA 3.0
626         hardware.
627         (BU_FLOAT128_3_HW): Likewise.
628         (SQRTF128): Add support for the IEEE 128-bit square root and fma
629         built-in functions.
630         (FMAF128): Likewise.
631         (FMAQ): Likewise.
632         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
633         support for built-in functions that need the ISA 3.0 IEEE 128-bit
634         floating point instructions.
635         (rs6000_invalid_builtin): Likewise.
636         (rs6000_builtin_mask_names): Likewise.
637         * config/rs6000/rs6000.h (MASK_FLOAT128_HW): Likewise.
638         (RS6000_BTM_FLOAT128_HW): Likewise.
639         (RS6000_BTM_COMMON): Likewise.
640         * config/rs6000/rs6000.md (fma<mode>4_hw): Add a generator
641         function.
642         * doc/extend.texi (RS/6000 built-in functions): Document the
643         IEEE 128-bit floating point square root and fused multiply-add
644         built-in functions.
646 2017-09-14  Pat Haugen  <pthaugen@us.ibm.com>
648         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): Make sure the TOC
649         reg (r2) isn't in the set of registers defined in the prologue.
651 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
652             Alan Hayward  <alan.hayward@arm.com>
653             David Sherwood  <david.sherwood@arm.com>
655         * tree-vectorizer.h (_loop_vec_info): Add max_vectorization_factor.
656         (LOOP_VINFO_MAX_VECT_FACTOR): New macro.
657         (LOOP_VINFO_ORIG_VECT_FACTOR): Replace with...
658         (LOOP_VINFO_ORIG_MAX_VECT_FACTOR): ...this new macro.
659         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Update
660         accordingly.
661         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
662         max_vectorization_factor.
663         (vect_analyze_loop_2): Set LOOP_VINFO_MAX_VECT_FACTOR.
665 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
666             Alan Hayward  <alan.hayward@arm.com>
667             David Sherwood  <david.sherwood@arm.com>
669         * tree-vectorizer.h (vect_min_worthwhile_factor): Delete.
670         (vect_worthwhile_without_simd_p): Declare.
671         * tree-vect-loop.c (vect_worthwhile_without_simd_p): New function.
672         (vectorizable_reduction): Use it.
673         * tree-vect-stmts.c (vectorizable_shift): Likewise.
674         (vectorizable_operation): Likewise.
676 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
677             Alan Hayward  <alan.hayward@arm.com>
678             David Sherwood  <david.sherwood@arm.com>
680         * tree-vectorizer.h (vect_get_num_copies): New function.
681         * tree-vect-data-refs.c (vect_get_data_access_cost): Use it.
682         * tree-vect-loop.c (vectorizable_reduction): Likewise.
683         (vectorizable_induction): Likewise.
684         (vectorizable_live_operation): Likewise.
685         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
686         (vectorizable_bswap): Likewise.
687         (vectorizable_call): Likewise.
688         (vectorizable_conversion): Likewise.
689         (vectorizable_assignment): Likewise.
690         (vectorizable_shift): Likewise.
691         (vectorizable_operation): Likewise.
692         (vectorizable_store): Likewise.
693         (vectorizable_load): Likewise.
694         (vectorizable_condition): Likewise.
695         (vectorizable_comparison): Likewise.
696         (vect_analyze_stmt): Pass the slp node to vectorizable_live_operation.
698 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
699             Alan Hayward  <alan.hayward@arm.com>
700             David Sherwood  <david.sherwood@arm.com>
702         * tree-vect-loop.c (vectorizable_induction): Use gimple_build instead
703         of vect_init_vector.
705 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
706             Alan Hayward  <alan.hayward@arm.com>
707             David Sherwood  <david.sherwood@arm.com>
709         * gimple-fold.h (gimple_build_vector_from_val): Declare, and provide
710         an inline wrapper that provides a location.
711         (gimple_build_vector): Likewise.
712         * gimple-fold.c (gimple_build_vector_from_val): New function.
713         (gimple_build_vector): Likewise.
714         * tree-vect-loop.c (get_initial_def_for_reduction): Use the new
715         functions to build the initial value.  Always return a gimple value.
716         (get_initial_defs_for_reduction): Likewise.  Only compute
717         neutral_vec once.
718         (vect_create_epilog_for_reduction): Don't call force_gimple_operand or
719         vect_init_vector on the results from get_initial_def(s)_for_reduction.
720         (vectorizable_induction): Use gimple_build_vector rather than
721         vect_init_vector.
723 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
724             Alan Hayward  <alan.hayward@arm.com>
725             David Sherwood  <david.sherwood@arm.com>
727         * target.h (vec_perm_indices): New typedef.
728         (auto_vec_perm_indices): Likewise.
729         * optabs-query.h: Include target.h
730         (can_vec_perm_p): Take a vec_perm_indices *.
731         * optabs-query.c (can_vec_perm_p): Likewise.
732         (can_mult_highpart_p): Update accordingly.  Use auto_vec_perm_indices.
733         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
734         * tree-vect-generic.c (lower_vec_perm): Likewise.
735         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
736         (vect_grouped_load_supported): Likewise.
737         (vect_shift_permute_load_chain): Likewise.
738         (vect_permute_store_chain): Use auto_vec_perm_indices.
739         (vect_permute_load_chain): Likewise.
740         * fold-const.c (fold_vec_perm): Take vec_perm_indices.
741         (fold_ternary_loc): Update accordingly.  Use auto_vec_perm_indices.
742         Update uses of can_vec_perm_p.
743         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Replace the
744         mode with a number of elements.  Take a vec_perm_indices *.
745         (vect_create_epilog_for_reduction): Update accordingly.
746         Use auto_vec_perm_indices.
747         (have_whole_vector_shift): Likewise.  Update call to can_vec_perm_p.
748         * tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
749         (vect_transform_slp_perm_load): Likewise.
750         (vect_schedule_slp_instance): Use auto_vec_perm_indices.
751         * tree-vectorizer.h (vect_gen_perm_mask_any): Take a vec_perm_indices.
752         (vect_gen_perm_mask_checked): Likewise.
753         * tree-vect-stmts.c (vect_gen_perm_mask_any): Take a vec_perm_indices.
754         (vect_gen_perm_mask_checked): Likewise.
755         (vectorizable_mask_load_store): Use auto_vec_perm_indices.
756         (vectorizable_store): Likewise.
757         (vectorizable_load): Likewise.
758         (perm_mask_for_reverse): Likewise.  Update call to can_vec_perm_p.
759         (vectorizable_bswap): Likewise.
761 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
762             Alan Hayward  <alan.hayward@arm.com>
763             David Sherwood  <david.sherwood@arm.com>
765         * tree.h (build_vector): Take a vec<tree> instead of a tree *.
766         * tree.c (build_vector): Likewise.
767         (build_vector_from_ctor): Update accordingly.
768         (build_vector_from_val): Likewise.
769         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
770         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
771         * tree-vect-generic.c (add_rshift): Likewise.
772         (expand_vector_divmod): Likewise.
773         (optimize_vector_constructor): Likewise.
774         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
775         (vect_transform_slp_perm_load): Likewise.
776         (vect_schedule_slp_instance): Likewise.
777         * tree-vect-stmts.c (vectorizable_bswap): Likewise.
778         (vectorizable_call): Likewise.
779         (vect_gen_perm_mask_any): Likewise.  Add elements in order.
780         * expmed.c (make_tree): Likewise.
781         * fold-const.c (fold_negate_expr_1): Use auto_vec<tree> when building
782         a vector passed to build_vector.
783         (fold_convert_const): Likewise.
784         (exact_inverse): Likewise.
785         (fold_ternary_loc): Likewise.
786         (fold_relational_const): Likewise.
787         (const_binop): Likewise.  Use VECTOR_CST_ELT directly when operating
788         on VECTOR_CSTs, rather than going through vec_cst_ctor_to_array.
789         (const_unop): Likewise.  Store the reduction accumulator in a
790         variable rather than an array.
791         (vec_cst_ctor_to_array): Take the number of elements as a parameter.
792         (fold_vec_perm): Update calls accordingly.  Use auto_vec<tree> for
793         the new vector, rather than constructing it after the input arrays.
794         (native_interpret_vector): Use auto_vec<tree> when building
795         a vector passed to build_vector.  Add elements in order.
796         * tree-vect-loop.c (get_initial_defs_for_reduction): Use
797         auto_vec<tree> when building a vector passed to build_vector.
798         (vect_create_epilog_for_reduction): Likewise.
799         (vectorizable_induction): Likewise.
800         (get_initial_def_for_reduction): Likewise.  Fix indentation of
801         case statements.
802         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Change n_elts
803         to a vec<tree> *.
804         (sparc_fold_builtin): Use auto_vec<tree> when building a vector
805         passed to build_vector.
807 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
808             Alan Hayward  <alan.hayward@arm.com>
809             David Sherwood  <david.sherwood@arm.com>
811         * tree-core.h (tree_base::u): Add an "nelts" field.
812         (tree_vector): Use VECTOR_CST_NELTS as the length.
813         * tree.c (tree_size): Likewise.
814         (make_vector): Initialize VECTOR_CST_NELTS.
815         * tree.h (VECTOR_CST_NELTS): Use the u.nelts field.
816         * cfgexpand.c (expand_debug_expr): Use VECTOR_CST_NELTS instead of
817         TYPE_VECTOR_SUBPARTS.
818         * expr.c (const_vector_mask_from_tree): Consistently use "units"
819         as the number of units, setting it from VECTOR_CST_NELTS.
820         (const_vector_from_tree): Likewise.
821         * fold-const.c (negate_expr_p): Use VECTOR_CST_NELTS instead of
822         TYPE_VECTOR_SUBPARTS for the number of elements in a VECTOR_CST.
823         (fold_negate_expr_1): Likewise.
824         (fold_convert_const): Likewise.
825         (const_binop): Likewise.  Differentiate the number of output and
826         input elements.
827         (const_unop): Likewise.
828         (fold_ternary_loc): Use VECTOR_CST_NELTS for the number of elements
829         in a VECTOR_CST, asserting that it is the same as TYPE_VECTOR_SUBPARTS
830         in cases that did the opposite.
832 2017-09-14  Richard Biener  <rguenther@suse.de>
834         * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar
835         to VN_TOP.
837 2017-09-14  Eric Botcazou  <ebotcazou@adacore.com>
839         * dwarf2out.c (dwarf2out_source_line): Remove superfluous test.
841 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
843         PR target/81325
844         * cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions
845         if and where to split a bb, except for splitting before debug insn
846         sequences followed by non-label real insn.  Delete debug insns
847         in between basic blocks.
849         * combine.c (make_compound_operation_int): Formatting fixes.
851         * config/alpha/elf.h (LINK_EH_SPEC): Add -static-pie support.
852         * config/alpha/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
853         * config/netbsd.h (LINK_EH_SPEC): Likewise.
854         * config/sol2.h (LINK_EH_SPEC): Likewise.
855         * config/arm/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
856         * config/s390/linux.h (LINK_SPEC): Likewise.
857         * config/freebsd.h (LINK_EH_SPEC): Likewise.
858         * config/openbsd.h (LINK_EH_SPEC): Likewise.
859         * config/lm32/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
860         * config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Likewise.
861         * config/powerpcspe/sysv4.h (LINK_EH_SPEC): Likewise.
862         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
863         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Fix a typo.
864         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Formatting fix.
866 2017-09-13  Jakub Jelinek  <jakub@redhat.com>
868         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Add -static-pie
869         support.
870         (ENDFILE_LINUX_SPEC): Likewise.
871         (LINK_EH_SPEC): Likewise.
872         * config/rs6000/linux64.h (LINK_SHLIB_SPEC): Likewise.
873         (LINK_OS_LINUX_SPEC32): Likewise.
874         (LINK_OS_LINUX_SPEC64): Likewise.
875         * config/rs6000/linux.h (LINK_SHLIB_SPEC): Likewise.
876         (LINK_OS_LINUX_SPEC): Likewise.
878 2017-09-13  Martin Liska  <mliska@suse.cz>
880         PR middle-end/82154
881         * stmt.c (expand_sjlj_dispatch_table): Use CASE_LOW when
882         CASE_HIGH is NULL_TREE.
884 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
885             Alan Hayward  <alan.hayward@arm.com>
886             David Sherwood  <david.sherwood@arm.com>
888         * target.def (secondary_memory_needed): New hook.
889         (secondary_reload): Refer to TARGET_SECONDARY_MEMORY_NEEDED
890         instead of SECONDARY_MEMORY_NEEDED.
891         (secondary_memory_needed_mode): Likewise.
892         * hooks.h (hook_bool_mode_reg_class_t_reg_class_t_false): Declare.
893         * hooks.c (hook_bool_mode_reg_class_t_reg_class_t_false): New function.
894         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED): Replace with...
895         (TARGET_SECONDARY_MEMORY_NEEDED): ...this.
896         (SECONDARY_MEMORY_NEEDED_RTX): Update reference accordingly.
897         * doc/tm.texi: Regenerate.
898         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Delete.
899         * config/alpha/alpha.c (alpha_secondary_memory_needed): New function.
900         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
901         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED): Delete.
902         * config/i386/i386-protos.h (ix86_secondary_memory_needed): Delete.
903         * config/i386/i386.c (inline_secondary_memory_needed): Put the
904         mode argument first and change the reg_class arguments to reg_class_t.
905         (ix86_secondary_memory_needed): Likewise.  Remove the strict parameter.
906         Make static.  Update the call to inline_secondary_memory_needed.
907         (ix86_register_move_cost): Update the call to
908         inline_secondary_memory_needed.
909         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
910         * config/ia64/ia64.h (SECONDARY_MEMORY_NEEDED): Delete commented-out
911         definition.
912         * config/ia64/ia64.c (spill_xfmode_rfmode_operand): Refer to
913         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
914         in comment.
915         * config/mips/mips.h (SECONDARY_MEMORY_NEEDED): Delete.
916         * config/mips/mips-protos.h (mips_secondary_memory_needed): Delete.
917         * config/mips/mips.c (mips_secondary_memory_needed): Make static
918         and match hook interface.  Add comment from mips.h.
919         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
920         * config/mmix/mmix.md (truncdfsf2): Refer to
921         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
922         in comment.
923         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED): Rename to...
924         (PA_SECONDARY_MEMORY_NEEDED): ...this, and put the mode argument first.
925         * config/pa/pa.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
926         (pa_secondary_memory_needed): New function.
927         * config/pdp11/pdp11.h (SECONDARY_MEMORY_NEEDED): Delete.
928         * config/pdp11/pdp11-protos.h (pdp11_secondary_memory_needed): Delete.
929         * config/pdp11/pdp11.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
930         (pdp11_secondary_memory_needed): Make static and match hook interface.
931         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED): Delete.
932         * config/powerpcspe/powerpcspe-protos.h
933         (rs6000_secondary_memory_needed_ptr): Delete.
934         * config/powerpcspe/powerpcspe.c (rs6000_secondary_memory_needed_ptr):
935         Delete.
936         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
937         (rs6000_option_override_internal): Assign to
938         targetm.secondary_memory_needed rather than
939         rs6000_secondary_memory_needed_ptr.
940         (rs6000_secondary_memory_needed): Match hook interface.
941         (rs6000_debug_secondary_memory_needed): Likewise.
942         * config/riscv/riscv.h (SECONDARY_MEMORY_NEEDED): Delete.
943         * config/riscv/riscv.c (riscv_secondary_memory_needed): New function.
944         (riscv_register_move_cost): Use it instead of SECONDARY_MEMORY_NEEDED.
945         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
946         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED): Delete.
947         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_ptr):
948         Delete.
949         * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_ptr): Delete.
950         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
951         (rs6000_option_override_internal): Assign to
952         targetm.secondary_memory_needed rather than
953         rs6000_secondary_memory_needed_ptr.
954         (rs6000_secondary_memory_needed): Match hook interface.
955         (rs6000_debug_secondary_memory_needed): Likewise.
956         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Delete.
957         * config/s390/s390.c (s390_secondary_memory_needed): New function.
958         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
959         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Delete.
960         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
961         (sparc_secondary_memory_needed): New function.
962         * lra-constraints.c (check_and_process_move): Refer to
963         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
964         in comment.
965         (curr_insn_transform): Likewise.
966         (process_alt_operands): Use targetm.secondary_memory_needed
967         instead of TARGET_SECONDARY_MEMORY_NEEDED.
968         (check_secondary_memory_needed_p): Likewise.
969         (choose_split_class): Likewise.
970         * reload.c: Unconditionally include code that was previously
971         conditional on SECONDARY_MEMORY_NEEDED.
972         (push_secondary_reload): Use targetm.secondary_memory_needed
973         instead of TARGET_SECONDARY_MEMORY_NEEDED.
974         (push_reload): Likewise.
975         * reload1.c: Unconditionally include code that was previously
976         conditional on SECONDARY_MEMORY_NEEDED.
977         (choose_reload_regs): Use targetm.secondary_memory_needed
978         instead of TARGET_SECONDARY_MEMORY_NEEDED.
979         (gen_reload): Likewise.
980         * system.h (SECONDARY_MEMORY_NEEDED): Poison.
982 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
983             Alan Hayward  <alan.hayward@arm.com>
984             David Sherwood  <david.sherwood@arm.com>
986         * target.def (secondary_memory_needed_mode): New hook:
987         * targhooks.c (default_secondary_memory_needed_mode): Declare.
988         * targhooks.h (default_secondary_memory_needed_mode): New function.
989         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED_MODE): Replace with...
990         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): ...this.
991         * doc/tm.texi: Regenerate.
992         * lra-constraints.c (check_and_process_move): Use
993         targetm.secondary_memory_needed_mode instead of
994         TARGET_SECONDARY_MEMORY_NEEDED_MODE.
995         (curr_insn_transform): Likewise.
996         * reload.c (get_secondary_mem): Likewise.
997         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
998         * config/alpha/alpha.c (alpha_secondary_memory_needed_mode): New
999         function.
1000         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
1001         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
1002         * config/i386/i386.c (ix86_secondary_memory_needed_mode): New function.
1003         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
1004         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED_MODE):
1005         Delete.
1006         * config/powerpcspe/powerpcspe-protos.h
1007         (rs6000_secondary_memory_needed_mode): Delete.
1008         * config/powerpcspe/powerpcspe.c
1009         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
1010         (rs6000_secondary_memory_needed_mode): Make static.
1011         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
1012         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_mode):
1013         Delete.
1014         * config/rs6000/rs6000.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
1015         Redefine.
1016         (rs6000_secondary_memory_needed_mode): Make static.
1017         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
1018         * config/s390/s390.c (s390_secondary_memory_needed_mode): New function.
1019         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
1020         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
1021         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
1022         Redefine.
1023         (sparc_secondary_memory_needed_mode): New function.
1024         * system.h (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Poison.
1026 2017-09-13  Jackson Woodruff  <jackson.woodruff@arm.com>
1028         * config/aarch64/constraints.md (Umq): New constraint.
1029         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>):
1030         Change to use Umq.
1031         (mov<mode>): Update condition.
1033 2017-09-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1035         * gimple-ssa-store-merging.c (sort_by_bitpos): Compare store order
1036         when bitposition is the same.
1038 2017-09-13  Richard Biener  <rguenther@suse.de>
1040         * dwarf2out.c (output_die_symbol): Remove.
1041         (output_die): Do not output a DIEs symbol.
1043 2017-09-13  Richard Biener  <rguenther@suse.de>
1045         PR middle-end/82128
1046         * gimple-fold.c (gimple_fold_call): Update SSA name in-place to
1047         default-def to avoid breaking iterator update with the weird
1048         interaction with cgraph_update_edges_for_call_stmt_node.
1050 2017-09-13  Richard Biener  <rguenther@suse.de>
1052         * tree-cfg.c (verify_gimple_assign_binary): Add verification
1053         for WIDEN_SUM_EXPR, VEC_WIDEN_MULT_{HI,LO,EVEN,ODD}_EXPR,
1054         VEC_PACK_{TRUNC,SAT,FIX_TRUNC}_EXPR.
1055         (verify_gimple_assign_ternary): Add verification for DOT_PROD_EXPR.
1057 2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
1059         * config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
1060         Disable pc relative literal load irrespective of
1061         TARGET_FIX_ERR_A53_84341 for default.
1063 2017-09-12  Eric Botcazou  <ebotcazou@adacore.com>
1065         * config/sparc/sparc.c (output_return): Output the source location of
1066         the insn in the delay slot, if any.
1067         (output_sibcall): Likewise.
1069 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
1071         PR driver/81498
1072         * common.opt (-static-pie): New alias.
1073         (shared): Negate static-pie.
1074         (-no-pie): Update help text.
1075         (-pie): Likewise.
1076         (static-pie): New option.
1077         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
1078         -static-pie support.
1079         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
1080         (LINK_EH_SPEC): Likewise.
1081         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
1082         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
1083         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
1084         * gcc.c (LINK_COMMAND_SPEC): Likewise.
1085         (init_gcc_specs): Likewise.
1086         (init_spec): Likewise.
1087         (display_help): Update help message for -pie.
1088         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
1089         -static-pie.
1091 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
1093         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
1094         (movdi_aarch64): Likewise.
1095         (movti_aarch64): Likewise.
1097 2017-09-12 Simon Wright <simon@pushface.org>
1099         PR target/80204
1100         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
1101         calculation of the minor version, always output as 0.
1103 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
1105         PR target/82112
1106         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
1107         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
1108         on it early, rather than manual conversion late.  For
1109         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
1110         instead of performing manual conversion.
1112 2017-09-12  Carl Love  <cel@us.ibm.com>
1114         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
1115         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
1116         vmulouw, vmulosw.
1117         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
1118         VMULOSW): Add definitions.
1119         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1120         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
1121         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
1122         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
1123         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
1125 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
1127         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
1128         types correctly.
1129         (movti_aarch64): Likewise.
1130         (movdf_aarch64): Likewise.
1131         (movtf_aarch64): Likewise.
1132         (load_pairdi): Likewise.
1133         (store_pairdi): Likewise.
1134         (load_pairdf): Likewise.
1135         (store_pairdf): Likewise.
1136         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
1137         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
1138         (ldr_got_small_<mode>): Likewise.
1139         (ldr_got_small_28k_<mode>): Likewise.
1140         (ldr_got_tiny): Likewise.
1141         * config/aarch64/iterators.md (ldst_sz): New.
1142         (ldpstp_sz): Likewise.
1143         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
1144         to store_16.
1145         (thunderx_load): Split load_8 to load_16.
1146         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
1147         load_8 to load_16.
1148         (thunderx2t99_storepair_basic): Split store_8 to store_16.
1149         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
1150         (xgene1_store_pair): Split store_8 to store_16.
1151         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
1152         (falkor_st_0_st_sd): Split store_8 to store_16.
1154 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
1156         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
1157         and store1/2/3/4 to store_4/8/12/16.
1158         * config/aarch64/aarch64.md: Update for rename.
1159         * config/arm/arm.md: Likewise.: Likewise.
1160         * config/arm/arm.c: Likewise.
1161         * config/arm/thumb1.md: Likewise.
1162         * config/arm/thumb2.md: Likewise.
1163         * config/arm/vfp.md: Likewise.
1164         * config/arm/arm-generic.md: Likewise.
1165         * config/arm/arm1020e.md: Likewise.
1166         * config/arm/arm1026ejs.md: Likewise.
1167         * config/arm/arm1136jfs.md: Likewise.
1168         * config/arm/arm926ejs.md: Likewise.
1169         * config/arm/cortex-a15.md: Likewise.
1170         * config/arm/cortex-a17.md: Likewise.
1171         * config/arm/cortex-a5.md: Likewise.
1172         * config/arm/cortex-a53.md: Likewise.
1173         * config/arm/cortex-a57.md: Likewise.
1174         * config/arm/cortex-a7.md: Likewise.
1175         * config/arm/cortex-a8.md: Likewise.
1176         * config/arm/cortex-a9.md: Likewise.
1177         * config/arm/cortex-m4.md: Likewise.
1178         * config/arm/cortex-m7.md: Likewise.
1179         * config/arm/cortex-r4.md: Likewise.
1180         * config/arm/exynos-m1.md: Likewise.
1181         * config/arm/fa526.md: Likewise.
1182         * config/arm/fa606te.md: Likewise.
1183         * config/arm/fa626te.md: Likewise.
1184         * config/arm/fa726te.md: Likewise.
1185         * config/arm/fmp626.md: Likewise.
1186         * config/arm/iwmmxt.md: Likewise.
1187         * config/arm/ldmstm.md: Likewise.
1188         * config/arm/marvell-pj4.md: Likewise.
1189         * config/arm/xgene1.md: Likewise.
1190         * config/aarch64/thunderx.md: Likewise.
1191         * config/aarch64/thunderx2t99.md: Likewise.
1192         * config/aarch64/falkor.md: Likewise.
1194 2017-09-12  Martin Liska  <mliska@suse.cz>
1196         * attribs.c (private_lookup_attribute): New function.
1197         * attribs.h (private_lookup_attribute): Declared here.
1198         (lookup_attribute): Called from this place.
1200 2017-09-12  Richard Biener  <rguenther@suse.de>
1202         PR tree-optimization/82157
1203         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
1204         stmts with side-effects.
1206 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1207             Alan Hayward  <alan.hayward@arm.com>
1208             David Sherwood <david.sherwood@arm.com>
1210         * target.def (hard_regno_nregs): New hook.
1211         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
1212         * targhooks.h (default_hard_regno_nregs): Declare.
1213         * targhooks.c (default_hard_regno_nregs): New function.
1214         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
1215         (TARGET_HARD_REGNO_NREGS): ...this hook.
1216         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
1217         (CLASS_MAX_NREGS): Likewise.
1218         * doc/tm.texi: Regenerate.
1219         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
1220         instead of HARD_REGNO_NREGS.
1221         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
1222         HARD_REGNO_NREGS in the comment.
1223         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
1224         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
1225         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
1226         Return an unsigned int.
1227         (TARGET_HARD_REGNO_NREGS): Redefine.
1228         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
1229         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
1230         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
1231         (arc_hard_regno_nregs): New function.
1232         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
1233         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
1234         (arm_hard_regno_nregs): New function.
1235         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
1236         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
1237         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
1238         (TARGET_HARD_REGNO_NREGS): Redefine.
1239         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
1240         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
1241         (HARD_REGNO_NREGS): Delete.
1242         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
1243         (cr16_hard_regno_nregs): New function.
1244         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
1245         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
1246         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
1247         (cris_hard_regno_nregs): New function.
1248         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
1249         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
1250         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
1251         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
1252         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
1253         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
1254         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
1255         (frv_hard_regno_nregs): Make static.  Take and return an
1256         unsigned int.
1257         (frv_class_max_nregs): Remove outdated copy of documentation.
1258         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
1259         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
1260         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
1261         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
1262         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
1263         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
1264         (TARGET_HARD_REGNO_NREGS): Redefine.
1265         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
1266         (CLASS_MAX_NREGS): Update comment.
1267         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
1268         (ia64_hard_regno_nregs): New function.
1269         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
1270         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
1271         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
1272         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
1273         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
1274         an unsigned int.
1275         (m32c_hard_regno_nregs): Likewise.  Make static.
1276         (TARGET_HARD_REGNO_NREGS): Redefine.
1277         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
1278         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
1279         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
1280         (m68k_hard_regno_nregs): New function.
1281         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
1282         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
1283         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
1284         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
1285         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
1286         Take and return an unsigned int.
1287         (TARGET_HARD_REGNO_NREGS): Redefine.
1288         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
1289         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
1290         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
1291         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
1292         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
1293         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
1294         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
1295         (msp430_hard_regno_nregs): Make static.  Take and return an
1296         unsigned int.
1297         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
1298         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
1299         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
1300         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
1301         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
1302         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
1303         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
1304         (TARGET_HARD_REGNO_NREGS): Redefine.
1305         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
1306         (PA_HARD_REGNO_NREGS): ...this.
1307         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
1308         (PA_HARD_REGNO_NREGS): ...this.
1309         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
1310         (pa_hard_regno_nregs): New function.
1311         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
1312         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
1313         (pdp11_hard_regno_nregs): New function.
1314         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
1315         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
1316         (rs6000_hard_regno_nregs_hook): New function.
1317         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
1318         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
1319         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
1320         Take and return an unsigned int.  Move earlier in file.
1321         (TARGET_HARD_REGNO_NREGS): Redefine.
1322         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
1323         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
1324         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
1325         (rl78_hard_regno_nregs): Make static.  Take and return an
1326         unsigned int.
1327         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
1328         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
1329         (rs6000_hard_regno_nregs_hook): New function.
1330         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
1331         * config/rx/rx.c (rx_hard_regno_nregs): New function.
1332         (TARGET_HARD_REGNO_NREGS): Redefine.
1333         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
1334         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
1335         instead of HARD_REGNO_NREGS.
1336         (s390_hard_regno_nregs): New function.
1337         (s390_hard_regno_mode_ok): Add comment from s390.h.
1338         (TARGET_HARD_REGNO_NREGS): Redefine.
1339         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
1340         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
1341         (sh_hard_regno_nregs): New function.
1342         (sh_pass_in_reg_p): Use it.
1343         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
1344         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
1345         (sparc_hard_regno_nregs): New function.
1346         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
1347         * config/spu/spu.c (spu_hard_regno_nregs): New function.
1348         (spu_function_arg_advance): Use it, supplying a valid register number.
1349         (TARGET_HARD_REGNO_NREGS): Redefine.
1350         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
1351         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
1352         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
1353         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
1354         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
1355         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
1356         (CLASS_MAX_NREGS): Remove copy of old documentation.
1357         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
1358         (visium_hard_regno_nregs): New function.
1359         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
1360         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
1361         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
1362         xtensa_hard_regno_nregs): New function.
1363         * system.h (HARD_REGNO_NREGS): Poison.
1365 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1367         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
1368         hard_regno_nregs instead of HARD_REGNO_NREGS.
1369         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1370         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
1371         (c6x_expand_epilogue): Likewise.
1372         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
1373         (frv_read_iacc_argument): Likewise.
1374         * config/sh/sh.c: Include regs.h.
1375         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
1376         (regs_used): Likewise.
1377         (output_stack_adjust): Likewise.
1378         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
1379         * expmed.c: Include regs.h.
1380         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
1381         * ree.c: Include regs.h.
1382         (combine_reaching_defs): Use hard_regno_nregs instead of
1383         HARD_REGNO_NREGS.
1384         (add_removable_extension): Likewise.
1386 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1388         * regs.h (hard_regno_nregs): Turn into a function.
1389         (end_hard_regno): Update accordingly.
1390         * caller-save.c (setup_save_areas): Likewise.
1391         (save_call_clobbered_regs): Likewise.
1392         (replace_reg_with_saved_mem): Likewise.
1393         (insert_restore): Likewise.
1394         (insert_save): Likewise.
1395         * combine.c (can_change_dest_mode): Likewise.
1396         (move_deaths): Likewise.
1397         (distribute_notes): Likewise.
1398         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
1399         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
1400         (rs6000_split_multireg_move): Likewise.
1401         (rs6000_register_move_cost): Likewise.
1402         (rs6000_memory_move_cost): Likewise.
1403         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
1404         (rs6000_split_multireg_move): Likewise.
1405         (rs6000_register_move_cost): Likewise.
1406         (rs6000_memory_move_cost): Likewise.
1407         * cselib.c (cselib_reset_table): Likewise.
1408         (cselib_lookup_1): Likewise.
1409         * emit-rtl.c (set_mode_and_regno): Likewise.
1410         * function.c (aggregate_value_p): Likewise.
1411         * ira-color.c (setup_profitable_hard_regs): Likewise.
1412         (check_hard_reg_p): Likewise.
1413         (calculate_saved_nregs): Likewise.
1414         (assign_hard_reg): Likewise.
1415         (improve_allocation): Likewise.
1416         (calculate_spill_cost): Likewise.
1417         * ira-emit.c (modify_move_list): Likewise.
1418         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
1419         (ira_hard_reg_in_set_p): Likewise.
1420         * ira.c (setup_reg_mode_hard_regset): Likewise.
1421         (clarify_prohibited_class_mode_regs): Likewise.
1422         (check_allocation): Likewise.
1423         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1424         (lra_setup_reg_renumber): Likewise.
1425         (setup_try_hard_regno_pseudos): Likewise.
1426         (spill_for): Likewise.
1427         (assign_hard_regno): Likewise.
1428         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
1429         * lra-constraints.c (in_class_p): Likewise.
1430         (lra_constraint_offset): Likewise.
1431         (simplify_operand_subreg): Likewise.
1432         (lra_constraints): Likewise.
1433         (split_reg): Likewise.
1434         (split_if_necessary): Likewise.
1435         (invariant_p): Likewise.
1436         (inherit_in_ebb): Likewise.
1437         * lra-lives.c (process_bb_lives): Likewise.
1438         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
1439         (get_hard_regs): Likewise.
1440         (do_remat): Likewise.
1441         * lra-spills.c (assign_spill_hard_regs): Likewise.
1442         * mode-switching.c (create_pre_exit): Likewise.
1443         * postreload.c (reload_combine_recognize_pattern): Likewise.
1444         * recog.c (peep2_find_free_register): Likewise.
1445         * regcprop.c (kill_value_regno): Likewise.
1446         (set_value_regno): Likewise.
1447         (copy_value): Likewise.
1448         (maybe_mode_change): Likewise.
1449         (find_oldest_value_reg): Likewise.
1450         (copyprop_hardreg_forward_1): Likewise.
1451         * regrename.c (check_new_reg_p): Likewise.
1452         (regrename_do_replace): Likewise.
1453         * reload.c (push_reload): Likewise.
1454         (combine_reloads): Likewise.
1455         (find_dummy_reload): Likewise.
1456         (operands_match_p): Likewise.
1457         (find_reloads): Likewise.
1458         (find_equiv_reg): Likewise.
1459         (reload_adjust_reg_for_mode): Likewise.
1460         * reload1.c (count_pseudo): Likewise.
1461         (count_spilled_pseudo): Likewise.
1462         (find_reg): Likewise.
1463         (clear_reload_reg_in_use): Likewise.
1464         (free_for_value_p): Likewise.
1465         (allocate_reload_reg): Likewise.
1466         (choose_reload_regs): Likewise.
1467         (reload_adjust_reg_for_temp): Likewise.
1468         (emit_reload_insns): Likewise.
1469         (delete_output_reload): Likewise.
1470         * rtlanal.c (subreg_get_info): Likewise.
1471         * sched-deps.c (sched_analyze_reg): Likewise.
1472         * sel-sched.c (init_regs_for_mode): Likewise.
1473         (mark_unavailable_hard_regs): Likewise.
1474         (choose_best_reg_1): Likewise.
1475         (verify_target_availability): Likewise.
1476         * valtrack.c (dead_debug_insert_temp): Likewise.
1477         * var-tracking.c (track_loc_p): Likewise.
1478         (emit_note_insn_var_location): Likewise.
1479         * varasm.c (make_decl_rtl): Likewise.
1480         * reginfo.c (choose_hard_reg_mode): Likewise.
1481         (init_reg_modes_target): Refer directly to
1482         this_target_regs->x_hard_regno_nregs.
1484 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1486         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
1487         instead of hard_regno_nregs.
1489 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1491         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
1492         end_hard_regno instead of hard_regno_nregs.
1493         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
1494         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
1495         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
1496         * ira-color.c (improve_allocation): Likewise.
1497         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1498         * lra-lives.c (mark_regno_live): Likewise.
1499         (mark_regno_dead): Likewise.
1500         * lra-remat.c (operand_to_remat): Likewise.
1501         * lra.c (collect_non_operand_hard_regs): Likewise.
1502         * postreload.c (reload_combine_note_store): Likewise.
1503         (move2add_valid_value_p): Likewise.
1504         * reload.c (regno_clobbered_p): Likewise.
1506 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1508         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
1509         hard_regno_nregs.
1510         * config/v850/v850.c (v850_reorg): Likewise.
1511         * reload.c (refers_to_regno_for_reload_p): Likewise.
1512         (find_equiv_reg): Likewise.
1513         * reload1.c (reload_reg_reaches_end_p): Likewise.
1515 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1517         * caller-save.c (add_used_regs): Use REG_NREGS instead of
1518         hard_regno_nregs.
1519         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
1520         * config/arm/arm.c (output_move_neon): Likewise.
1521         (arm_attr_length_move_neon): Likewise.
1522         (neon_split_vcombine): Likewise.
1523         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
1524         (c6x_mark_reg_written): Likewise.
1525         (c6x_dwarf_register_span): Likewise.
1526         * config/i386/i386.c (ix86_save_reg): Likewise.
1527         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
1528         (rws_access_reg): Likewise.
1529         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
1530         * mode-switching.c (create_pre_exit): Likewise.
1531         * ree.c (combine_reaching_defs): Likewise.
1532         (add_removable_extension): Likewise.
1533         * regcprop.c (find_oldest_value_reg): Likewise.
1534         (copyprop_hardreg_forward_1): Likewise.
1535         * reload.c (reload_inner_reg_of_subreg): Likewise.
1536         (push_reload): Likewise.
1537         (combine_reloads): Likewise.
1538         (find_dummy_reload): Likewise.
1539         (reload_adjust_reg_for_mode): Likewise.
1540         * reload1.c (find_reload_regs): Likewise.
1541         (forget_old_reloads_1): Likewise.
1542         (reload_reg_free_for_value_p): Likewise.
1543         (reload_adjust_reg_for_temp): Likewise.
1544         (emit_reload_insns): Likewise.
1545         (delete_output_reload): Likewise.
1546         * sel-sched.c (choose_best_reg_1): Likewise.
1547         (choose_best_pseudo_reg): Likewise.
1549 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1550             Alan Hayward  <alan.hayward@arm.com>
1551             David Sherwood <david.sherwood@arm.com>
1553         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
1554         * target.def (slow_unaligned_access): New hook.
1555         * targhooks.h (default_slow_unaligned_access): Declare.
1556         * targhooks.c (default_slow_unaligned_access): New function.
1557         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
1558         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
1559         * doc/tm.texi: Regenerate.
1560         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
1561         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
1562         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
1563         definition.
1564         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
1565         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
1566         Redefine.
1567         (rs6000_slow_unaligned_access): New function.
1568         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
1569         (expand_block_compare): Likewise.
1570         (expand_strn_compare): Likewise.
1571         (rs6000_rtx_costs): Likewise.
1572         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
1573         (riscv_slow_unaligned_access): Likewise.
1574         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
1575         (riscv_slow_unaligned_access_p): ...this and make static.
1576         (riscv_option_override): Update accordingly.
1577         (riscv_slow_unaligned_access): New function.
1578         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
1579         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
1580         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
1581         (rs6000_slow_unaligned_access): New function.
1582         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
1583         (rs6000_rtx_costs): Likewise.
1584         * config/rs6000/rs6000-string.c (expand_block_compare)
1585         (expand_strn_compare): Use targetm.slow_unaligned_access instead
1586         of SLOW_UNALIGNED_ACCESS.
1587         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
1588         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
1589         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
1590         of SLOW_UNALIGNED_ACCESS.
1591         * expmed.c (simple_mem_bitfield_p): Likewise.
1592         * expr.c (alignment_for_piecewise_move): Likewise.
1593         (emit_group_load_1): Likewise.
1594         (emit_group_store): Likewise.
1595         (copy_blkmode_from_reg): Likewise.
1596         (emit_push_insn): Likewise.
1597         (expand_assignment): Likewise.
1598         (store_field): Likewise.
1599         (expand_expr_real_1): Likewise.
1600         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
1601         * lra-constraints.c (simplify_operand_subreg): Likewise.
1602         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
1603         * gimple-ssa-store-merging.c: Likewise in block comment at start
1604         of file.
1605         * tree-ssa-strlen.c: Include target.h.
1606         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
1607         of SLOW_UNALIGNED_ACCESS.
1608         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
1610 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1612         PR rtl-optimization/82185
1613         * expmed.c (emit_store_flag_int): Only test tem if it has been
1614         initialized.
1616 2017-09-12  Richard Biener  <rguenther@suse.de>
1618         PR middle-end/82149
1619         * match.pd ((FTYPE) N CMP CST): Fix typo.
1621 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
1623         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
1624         attribute.
1625         (mips_near_type_p): Add 'short_call' attribute as a synonym
1626         for 'near'.
1627         * doc/extend.texi (short_call): Document new function attribute.
1629 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
1631         PR target/82112
1632         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
1633         assertion check that in the condition.
1634         (get_atomic_generic_size): Likewise.  Before testing if parameter
1635         has pointer type, if it has array type, call for C++
1636         default_conversion to perform array-to-pointer conversion.
1638 2017-09-12  Richard Biener  <rguenther@suse.de>
1640         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
1641         for operations we cannot scalarize.
1643 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
1645         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
1646         vectors heap vectors.  Clean up comments.
1647         Make visited_bbs a reference.
1648         (profitable_jump_thread_path): Make GC
1649         vectors heap vectors.  Clean up comments.
1650         Misc cleanups.
1651         (convert_and_register_jump_thread_path): Make GC vectors heap
1652         vectors.
1653         (check_subpath_and_update_thread_path): Same.  Clean up comments.
1654         Make visited_bbs a reference.
1655         (handle_phi): Abstract common code to to
1656         register_jump_thread_path_if_profitable.
1657         Rename VAR_BB to DEF_BB.
1658         Update comments.
1659         Make GC vectors heap vectors.
1660         Make visited_bbs a reference.
1661         (handle_assignment): Same.
1662         (register_jump_thread_path_if_profitable): New.
1663         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
1664         DEF_BB.
1665         Make GC vectors heap vectors.  Clean up comments.
1666         Make visited_bbs a reference.
1667         (find_jump_threads_backwards): Make visited_bbs live in the stack.
1668         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
1669         comment.
1671 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
1673         PR target/82181
1674         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
1675         words of E_DImode object are reachable by xtensa_uimm8x4 access.
1677 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
1679         Revert r251800 and r251799.
1681 2017-09-11  Martin Jambor  <mjambor@suse.cz>
1683         PR hsa/82119
1684         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
1685         arguments in advance.
1686         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
1687         use it to find predecessor edges.
1688         (naive_outof_ssa): Collect vector of predecessors.
1690 2017-09-08  Jason Merrill  <jason@redhat.com>
1692         PR c++/70029 - ICE with ref-qualifier and -flto
1693         * langhooks.h (struct lang_hooks_for_types): Add
1694         copy_lang_qualifiers.
1695         * attribs.c (build_type_attribute_qual_variant): Use it.
1696         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
1697         NULL.
1698         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1699         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
1701 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
1703         PR target/81988
1704         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
1705         (*mulsi3_sp64): New instruction.
1706         (mulsi3): New expander.
1708 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
1710         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
1712 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1714         * sancov.c: Include memmodel.h.
1716 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
1718         PR target/80897
1719         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
1720         large offsets.
1722 2017-09-07  Carl Love  <cel@us.ibm.com>
1724         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
1725         the sldi instruction.
1727 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
1729         * sancov.c: Include tm_p.h.
1731 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
1733         PR target/81979
1734         * output.h (switch_to_other_text_partition): New declaration.
1735         * varasm.c (switch_to_other_text_partition): New function.
1736         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
1737         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
1738         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
1739         to the other text partition before emitting LCL label and switch back
1740         after emitting the word after it.
1742 2017-09-07  Richard Biener  <rguenther@suse.de>
1744         * passes.def (pass_split_crit_edges): Remove instance before PRE.
1745         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
1746         critical edges here, after loop init.
1747         (pass_data_pre): Remove PROP_no_crit_edges flags.
1748         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
1749         for valueization of call args to avoid leaking VN_TOP.
1750         (visit_use): Assert we do not visit default defs.
1751         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
1752         Use error_mark_node to more easily detect leaking VN_TOP.
1753         All default-defs are varying, not VN_TOP.  Mark them visited.
1754         (run_scc_vn): Make code match comment.
1756 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1758         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
1759         OPTION_MASK_FLOAT128_KEYWORD.
1760         (POWERPC_MASKS): Likewise.
1761         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
1762         support for the -mfloat128-type option, and make -mfloat128
1763         default on PowerPC Linux systems.  Define or undefine
1764         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
1765         Define __float128 to be __ieee128 if IEEE 128-bit support is
1766         enabled, or undefine it.
1767         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
1768         Delete defining __FLOAT128_TYPE__.
1769         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
1770         -mfloat128-type option and make -mfloat128 default on PowerPC
1771         Linux systems.
1772         (TARGET_FLOAT128_TYPE): Likewise.
1773         (-mfloat128-type): Likewise.
1774         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1775         Delete the -mfloat128-type option and make -mfloat128 default on
1776         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
1777         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
1778         128-bit floating point is enabled.  Change tests from using
1779         -mfloat128-type to -mfloat128.
1780         (rs6000_mangle_type): Use the correct mangling for the __float128
1781         type even if normal long double is restricted to 64-bits.
1782         (floatn_mode): Enable the _Float128 type by default on VSX Linux
1783         systems.
1784         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
1785         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
1786         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
1787         -mfloat128-type.
1788         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
1789         documentation for -mfloat128.
1791 2017-09-06  Olivier Hainque  <hainque@adacore.com>
1793         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
1795 2017-09-06  Wish Wu  <wishwu007@gmail.com>
1796             Jakub Jelinek  <jakub@redhat.com>
1798         * asan.c (initialize_sanitizer_builtins): Add
1799         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
1800         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
1801         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
1802         BT_FN_VOID_UINT64_PTR variables.
1803         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
1804         (BT_FN_VOID_UINT16_UINT16): Likewise.
1805         (BT_FN_VOID_UINT32_UINT32): Likewise.
1806         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
1807         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
1808         (BT_FN_VOID_UINT64_PTR): Likewise.
1809         * common.opt (flag_sanitize_coverage): New variable.
1810         (fsanitize-coverage=trace-pc): Remove.
1811         (fsanitize-coverage=): Add.
1812         * flag-types.h (enum sanitize_coverage_code): New enum.
1813         * fold-const.c (fold_range_test): Disable non-short-circuit
1814         optimization if flag_sanitize_coverage.
1815         (fold_truth_andor): Likewise.
1816         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
1817         * opts.c (COVERAGE_SANITIZER_OPT): Define.
1818         (coverage_sanitizer_opts): New array.
1819         (get_closest_sanitizer_option): Add OPTS argument, handle also
1820         OPT_fsanitize_coverage_.
1821         (parse_sanitizer_options): Adjusted to also handle
1822         OPT_fsanitize_coverage_.
1823         (common_handle_option): Add OPT_fsanitize_coverage_.
1824         * sancov.c (instrument_comparison, instrument_switch): New function.
1825         (sancov_pass): Add trace-cmp support.
1826         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
1827         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
1828         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
1829         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
1830         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
1831         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
1832         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
1833         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
1834         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
1835         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
1837 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1839         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
1840         error.  Only quit immediately if parsing is complete.
1841         (BEGIN): Initialize fatal_err and parse_done.
1842         (begin fpu, end fpu): Check number of arguments.
1843         (begin arch, end arch): Likewise.
1844         (begin cpu, end cpu): Likewise.
1845         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
1846         (optalias): Likewise.
1848 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1850         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
1851         * config/arm/arm-isa.h: Delete.  Move definitions to ...
1852         * arm-cpus.in: ... here.  Use new feature and fgroup values.
1853         * config/arm/arm.c (arm_option_override): Use lower case for feature
1854         bit names.
1855         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
1856         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
1857         * config/arm/parsecpu.awk (END): Add new command 'isa'.
1858         (isa_pfx): Delete.
1859         (print_isa_bits_for): New function.
1860         (gen_isa): New function.
1861         (gen_comm_data): Use print_isa_bits_for.
1862         (define feature): New keyword.
1863         (define fgroup): New keyword.
1864         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
1865         (arm-isa.h): Add rule to generate file.
1866         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
1867         case for feature bit names.
1869 2017-09-06  Richard Biener  <rguenther@suse.de>
1871         * tree-ssa-pre.c (NECESSARY): Remove.
1872         (create_expression_by_pieces): Do not touch pass-local flags.
1873         (insert_into_preds_of_block): Likewise.
1874         (do_pre_regular_insertion): Likewise.
1875         (eliminate_insert): Likewise.
1876         (eliminate_dom_walker::before_dom_children): Likewise.
1877         (fini_eliminate): Do not look at inserted_exprs.
1878         (mark_operand_necessary): Remove.
1879         (remove_dead_inserted_code): Replace with simple work-list
1880         algorithm based on inserted_exprs and SSA uses.
1881         (pass_pre::execute): Re-order fini_eliminate and
1882         remove_dead_inserted_code.
1884 2017-09-06  Olivier Hainque  <hainque@adacore.com>
1886         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
1887         for VxWorks 7.  Adjust surrounding comments.
1889 2017-09-06  Richard Biener  <rguenther@suse.de>
1891         * gimple-ssa-strength-reduction.c
1892         (find_candidates_dom_walker::before_dom_children): Also allow
1893         pointer types.
1895 2017-09-06  Richard Biener  <rguenther@suse.de>
1897         PR tree-optimization/82108
1898         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
1899         for gap in the non-permutation SLP case.
1901 2017-09-06  Martin Jambor  <mjambor@suse.cz>
1903         PR tree-optimization/82078
1904         * tree-sra.c (sort_and_splice_var_accesses): Move call to
1905         add_access_to_work_queue...
1906         (build_accesses_from_assign): ...here.
1907         (propagate_all_subaccesses): Make sure racc is the group
1908         representative, if there is one.
1910 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
1912         PR middle-end/82095
1913         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
1914         NULL DECL_INITIAL.
1916 2017-09-06  Richard Biener  <rguenther@suse.de>
1918         * gimple-ssa-strength-reduction.c
1919         (find_candidates_dom_walker::before_doom_children): Use a
1920         type and not a mode check.
1922 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1924         PR target/77308
1925         * config/arm/predicates.md (arm_general_adddi_operand): Create new
1926         non-vfp predicate.
1927         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
1929 2017-09-05  Jeff Law  <law@redhat.com>
1931         PR tree-optimization/64910
1932         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
1933         cases where we have 3 or more operands.
1935 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
1937         PR middle-end/81768
1938         * omp-low.c (lower_omp_for): Recompute tree invariant if
1939         gimple_omp_for_initial/final is ADDR_EXPR.
1941         PR middle-end/81768
1942         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
1943         into gimple val before gimplification fo the COND_EXPR.
1945 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
1947         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
1948         REGION_COPY argument.
1949         (thread_through_all_blocks): Remove unused argument to
1950         duplicate_thread_path.
1952 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1953             Alan Hayward  <alan.hayward@arm.com>
1954             David Sherwood  <david.sherwood@arm.com>
1956         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
1957         Take a scalar_mode rather than a machine_mode.
1958         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1959         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
1960         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1961         (aarch64_gen_adjusted_ldpstp): Likewise.
1962         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
1964 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1965             Alan Hayward  <alan.hayward@arm.com>
1966             David Sherwood  <david.sherwood@arm.com>
1968         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
1969         Take a scalar_int_mode instead of a machine_mode.
1970         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1971         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1972         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1973         (aarch64_simd_attr_length_rglist): Delete.
1974         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
1975         a scalar_int_mode instead of a machine_mode.
1976         (aarch64_add_offset): Likewise.
1977         (aarch64_internal_mov_immediate): Likewise
1978         (aarch64_add_constant_internal): Likewise.
1979         (aarch64_add_constant): Likewise.
1980         (aarch64_movw_imm): Likewise.
1981         (aarch64_rtx_arith_op_extract_p): Likewise.
1982         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1983         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1984         Remove assert that the mode isn't a vector.
1985         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1986         (aarch64_expand_mov_immediate): Update calls after above changes.
1987         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
1988         (aarch64_and_bitmask_imm): Check for scalar integer modes.
1989         (aarch64_move_imm): Likewise.
1990         (aarch64_can_const_movi_rtx_p): Likewise.
1991         (aarch64_strip_extend): Likewise.
1992         (aarch64_extr_rtx_p): Likewise.
1993         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
1994         a CONST_INT when the mode parameter is VOIDmode.
1995         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
1997 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1999         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
2000         * stor-layout.c (bitwise_mode_for_mode): Likewise.
2001         (bitwise_type_for_mode): Update accordingly.
2003 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2005         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
2006         * stor-layout.c (mode_for_size_tree): Likewise.
2007         (mode_for_array): Update accordingly.
2008         (layout_decl): Likewise.
2009         (compute_record_mode): Likewise.  Only set the mode once.
2011 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2013         * target.def (get_mask_mode): Change return type to opt_mode.
2014         Expand commentary.
2015         * doc/tm.texi: Regenerate.
2016         * targhooks.h (default_get_mask_mode): Return an opt_mode.
2017         * targhooks.c (default_get_mask_mode): Likewise.
2018         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
2019         * optabs-query.c (can_vec_mask_load_store_p): Update use of
2020         targetm.get_mask_mode.
2021         * tree.c (build_truth_vector_type): Likewise.
2023 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2025         * machmode.h (mode_for_vector): Return an opt_mode.
2026         * stor-layout.c (mode_for_vector): Likewise.
2027         (mode_for_int_vector): Update accordingly.
2028         (layout_type): Likewise.
2029         * config/i386/i386.c (emit_memmov): Likewise.
2030         (ix86_expand_set_or_movmem): Likewise.
2031         (ix86_expand_vector_init): Likewise.
2032         (ix86_get_mask_mode): Likewise.
2033         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
2034         Likewise.
2035         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
2036         * expmed.c (extract_bit_field_1): Likewise.
2037         * expr.c (expand_expr_real_2): Likewise.
2038         * optabs-query.c (can_vec_perm_p): Likewise.
2039         (can_vec_mask_load_store_p): Likewise.
2040         * optabs.c (expand_vec_perm): Likewise.
2041         * targhooks.c (default_get_mask_mode): Likewise.
2042         * tree-vect-stmts.c (vectorizable_store): Likewise.
2043         (vectorizable_load): Likewise.
2044         (get_vectype_for_scalar_type_and_size): Likewise.
2046 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2048         * machmode.h (mode_for_int_vector): New function.
2049         * stor-layout.c (mode_for_int_vector): Likewise.
2050         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
2051         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
2052         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
2053         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
2054         (s390_expand_vcond): Likewise.
2056 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2058         * machmode.h (opt_machine_mode): New type.
2059         (opt_mode<T>): Allow construction from anything that can be
2060         converted to a T.
2061         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
2062         (mode_for_size): Return an opt_machine_mode.
2063         * stor-layout.c (mode_for_size): Likewise.
2064         (mode_for_size_tree): Update call accordingly.
2065         (bitwise_mode_for_mode): Likewise.
2066         (make_fract_type): Likewise.
2067         (make_accum_type): Likewise.
2068         * caller-save.c (replace_reg_with_saved_mem): Update call
2069         accordingly.
2070         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
2071         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
2072         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
2073         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
2074         * expmed.c (extract_bit_field_1): Likewise.
2075         * reload.c (get_secondary_mem): Likewise.
2076         * varasm.c (assemble_integer): Likewise.
2077         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
2078         early-out.
2080 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2082         * machmode.h (decimal_float_mode_for_size): New function.
2083         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
2084         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
2085         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
2086         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
2087         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
2088         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
2090 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2092         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
2093         (get_builtin_sync_mode): Likewise.
2094         (expand_ifn_atomic_compare_exchange): Likewise.
2095         (expand_builtin_atomic_clear): Likewise.
2096         (expand_builtin_atomic_test_and_set): Likewise.
2097         (fold_builtin_atomic_always_lock_free): Likewise.
2098         * calls.c (compute_argument_addresses): Likewise.
2099         (emit_library_call_value_1): Likewise.
2100         (store_one_arg): Likewise.
2101         * combine.c (combine_instructions): Likewise.
2102         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
2103         * config/arm/arm.c (arm_function_value): Likewise.
2104         (aapcs_allocate_return_reg): Likewise.
2105         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
2106         * config/i386/i386.c (construct_container): Likewise.
2107         (ix86_gimplify_va_arg): Likewise.
2108         (ix86_expand_sse_cmp): Likewise.
2109         (emit_memmov): Likewise.
2110         (emit_memset): Likewise.
2111         (expand_small_movmem_or_setmem): Likewise.
2112         (ix86_expand_pextr): Likewise.
2113         (ix86_expand_pinsr): Likewise.
2114         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
2115         * config/microblaze/microblaze.c (microblaze_block_move_straight):
2116         Likewise.
2117         * config/mips/mips.c (mips_function_value_1) Likewise.
2118         (mips_block_move_straight): Likewise.
2119         (mips_expand_ins_as_unaligned_store): Likewise.
2120         * config/powerpcspe/powerpcspe.c
2121         (rs6000_darwin64_record_arg_advance_flush): Likewise.
2122         (rs6000_darwin64_record_arg_flush): Likewise.
2123         * config/rs6000/rs6000.c
2124         (rs6000_darwin64_record_arg_advance_flush): Likewise.
2125         (rs6000_darwin64_record_arg_flush): Likewise.
2126         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
2127         (sparc_function_value_1): Likewise.
2128         * config/spu/spu.c (adjust_operand): Likewise.
2129         (spu_emit_branch_or_set): Likewise.
2130         (arith_immediate_p): Likewise.
2131         * emit-rtl.c (gen_lowpart_common): Likewise.
2132         * expr.c (expand_expr_real_1): Likewise.
2133         * function.c (assign_parm_setup_block): Likewise.
2134         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
2135         * reload1.c (alter_reg): Likewise.
2136         * stor-layout.c (mode_for_vector): Likewise.
2137         (layout_type): Likewise.
2139 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
2141         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
2142         (spu_convert_move): Likewise.
2143         * lower-subreg.c (resolve_simple_move): Likewise.
2145 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2147         PR target/81833
2148         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
2149         define_insn to a define_expand.
2150         (altivec_vsum2sws_direct): New define_insn.
2151         (altivec_vsumsws): Convert from a define_insn to a define_expand.
2153 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
2155         * config/arm/arm.c (arm_option_params_internal): Improve setting of
2156         max_insns_skipped.
2158 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
2160         PR target/59501
2161         PR target/81624
2162         PR target/81769
2163         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
2164         realign stack if stack alignment needed is less than incoming
2165         stack boundary.
2167 2017-09-05  Marek Polacek  <polacek@redhat.com>
2169         PR sanitizer/82072
2170         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
2171         check earlier.
2173 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
2175         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
2177 2017-09-05  Richard Biener  <rguenther@suse.de>
2179         PR tree-optimization/82084
2180         * fold-const.c (can_native_encode_string_p): Handle wide characters.
2182 2017-09-05  Richard Biener  <rguenther@suse.de>
2184         PR tree-optimization/82102
2185         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
2187 2017-09-05  Martin Liska  <mliska@suse.cz>
2189         PR tree-optimization/82032
2190         * tree-cfg.c (generate_range_test): New function.
2191         * tree-cfg.h (generate_range_test): Declared here.
2192         * tree-cfgcleanup.c (convert_single_case_switch): New function.
2193         (cleanup_control_expr_graph): Use it.
2194         * tree-switch-conversion.c (try_switch_expansion): Remove
2195         assert.
2196         (emit_case_nodes): Use generate_range_test.
2198 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
2200         PR target/82098
2201         * config/i386/i386.md (*<btsc><mode>_mask): Add
2202         TARGET_USE_BT to insn constraint.
2203         (*btr<mode>_mask): Ditto.
2205 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
2207         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
2208         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
2210 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2212         PR target/77308
2213         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
2214         TARGET_NEON and TARGET_IWMMXT.
2215         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
2216         TARGET_NEON and TARGET_IWMMXT.
2217         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
2219 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
2221         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
2222         (ix86_rewrite_tls_address): Ditto.
2223         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
2224         (ix86_rewrite_tls_address_1): Ditto.
2225         (ix86_rewrite_tls_address): Ditto.
2226         * config/i386/predicates.md (tls_address_pattern): New predicate.
2227         * config/i386/i386.md (TLS address splitter): New splitter.
2229 2017-09-04  Richard Biener  <rguenther@suse.de>
2231         PR tree-optimization/82084
2232         * fold-const.h (can_native_encode_string_p): Declare.
2233         * fold-const.c (can_native_encode_string_p): Factor out from ...
2234         (native_encode_string): ... here.
2235         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
2236         vectorizing stores from constants we later cannot handle.
2238 2017-09-04  Marek Polacek  <polacek@redhat.com>
2240         PR c/81783
2241         * doc/invoke.texi: Update -Wtautological-compare documentation.
2243 2017-09-04  Jeff Law  <law@redhat.com>
2245         PR tree-optimization/64910
2246         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
2247         swap the first and last operand if the last is a constant.
2249 2017-09-04  Marek Polacek  <polacek@redhat.com>
2251         PR sanitizer/82072
2252         * convert.c (do_narrow): When sanitizing signed integer overflows,
2253         bail out for signed types.
2254         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
2256 2017-09-04  Richard Biener  <rguenther@suse.de>
2258         PR tree-optimization/82060
2259         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2260         Move devirtualization after stmt folding and before EH/AB/noreturn
2261         cleanup to get the stmt refs canonicalized.  Use a bool instead
2262         of gimple_modified_p since that doesn't work for NOPs.  Schedule
2263         NOPs generated by folding for removal.
2265 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2266             Alan Hayward  <alan.hayward@arm.com>
2267             David Sherwood  <david.sherwood@arm.com>
2269         * coretypes.h (pad_direction): New enum.
2270         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
2271         (FUNCTION_ARG_PADDING): Likewise.
2272         * target.def (function_arg_padding): New hook.
2273         * targhooks.h (default_function_arg_padding): Declare.
2274         * targhooks.c (default_function_arg_padding): New function.
2275         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
2276         (TARGET_FUNCTION_ARG_PADDING): ...this.
2277         * doc/tm.texi: Regenerate.
2278         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
2279         instead of direction.
2280         (compute_argument_addresses): Likewise.
2281         (load_register_parameters): Likewise.
2282         (emit_library_call_value_1): Likewise.
2283         (store_one_arg): Use targetm.calls.function_arg_padding instead
2284         of FUNCTION_ARG_PADDING.
2285         (must_pass_in_stack_var_size_or_pad): Likewise.
2286         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
2287         (emit_group_store): Likewise.
2288         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
2289         instead of FUNCTION_ARG_PADDING.
2290         (emit_push_insn): Likewise, and propagate enum change throughout
2291         function.
2292         * function.h (direction): Delete.
2293         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
2294         of direction.
2295         * function.c (assign_parm_find_stack_rtl): Likewise.
2296         (assign_parm_setup_block_p): Likewise.
2297         (assign_parm_setup_block): Likewise.
2298         (gimplify_parameters): Likewise.
2299         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
2300         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
2301         function.
2302         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
2303         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2304         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
2305         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
2306         (aarch64_function_arg_padding): ...this new function.
2307         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
2308         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2309         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
2310         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2311         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
2312         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2313         (arm_pad_arg_upward): Replace with...
2314         (arm_function_arg_padding): ...this new function.
2315         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
2316         of direction.
2317         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
2318         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
2319         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2320         (ia64_hpux_function_arg_padding): Replace with...
2321         (ia64_function_arg_padding): ...this new function.  Use pad_direction
2322         instead of direction.  Check for TARGET_HPUX.
2323         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
2324         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2325         (iq2000_function_arg_padding): New function.
2326         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
2327         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
2328         (mips_function_arg_padding): ...this new function.
2329         (mips_pad_reg_upward): Update accordingly.
2330         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2331         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
2332         targetm.calls.function_arg_padding.
2333         (FUNCTION_ARG_PADDING): Delete.
2334         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2335         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
2336         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2337         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
2338         (nios2_block_reg_padding): Return pad_direction instead of direction.
2339         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
2340         instead of direction.
2341         (nios2_function_arg_padding): Likewise.  Make static.
2342         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2343         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
2344         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
2345         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
2346         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2347         (pa_function_arg_padding): Make static.  Return pad_direction instead
2348         of direction.
2349         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
2350         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2351         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
2352         instead of direction.  Use targetm.calls.function_arg_padding.
2353         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
2354         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
2355         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
2356         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
2357         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
2358         Redefine.
2359         (function_arg_padding): Rename to...
2360         (rs6000_function_arg_padding): ...this.  Make static.  Return
2361         pad_direction instead of direction.
2362         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
2363         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
2364         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2365         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
2366         instead of direction.  Use targetm.calls.function_arg_padding.
2367         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
2368         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
2369         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
2370         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
2371         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2372         (function_arg_padding): Rename to...
2373         (rs6000_function_arg_padding): ...this.  Make static.  Return
2374         pad_direction instead of direction.
2375         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
2376         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
2377         * config/s390/s390.c (s390_function_arg_padding): New function.
2378         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2379         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
2380         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
2381         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2382         (function_arg_padding): Rename to...
2383         (sparc_function_arg_padding): ...this.  Make static.  Return
2384         pad_direction instead of direction.
2385         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
2386         * config/spu/spu.c (spu_function_arg_padding): New function.
2387         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2388         * system.h (FUNCTION_ARG_PADDING): Poison.
2390 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2391             Alan Hayward  <alan.hayward@arm.com>
2392             David Sherwood  <david.sherwood@arm.com>
2394         * target.def (modes_tieable_p): New hook.
2395         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
2396         (TARGET_MODES_TIEABLE_P): ...this.
2397         * doc/tm.texi.in: Regenerate.
2398         * hooks.h (hook_bool_mode_mode_true): Declare.
2399         * hooks.c (hook_bool_mode_mode_true): New function.
2400         * combine.c (subst): Use targetm.modes_tieable_p instead of
2401         MODES_TIEABLE_P.
2402         * dse.c (find_shift_sequence): Likewise.
2403         * expmed.c (extract_low_bits): Likewise.
2404         * lower-subreg.c: Include target.h.
2405         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
2406         MODES_TIEABLE_P.
2407         * rtlanal.c (rtx_cost): Likewise.
2408         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
2409         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
2410         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
2411         (TARGET_MODES_TIEABLE_P): Redefine.
2412         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
2413         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
2414         (TARGET_MODES_TIEABLE_P): Redefine.
2415         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
2416         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
2417         (arc_modes_tieable_p): New function.
2418         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
2419         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
2420         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
2421         (arm_modes_tieable_p): Make static.
2422         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
2423         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
2424         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
2425         (TARGET_MODES_TIEABLE_P): Redefine.
2426         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
2427         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
2428         (TARGET_MODES_TIEABLE_P): Redefine.
2429         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
2430         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
2431         (cr16_modes_tieable_p): New function.
2432         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
2433         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
2434         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
2435         (TRULY_NOOP_TRUNCATION): Update comment.
2436         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
2437         (TRULY_NOOP_TRUNCATION): Update comment.
2438         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
2439         (frv_modes_tieable_p): New function.
2440         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
2441         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
2442         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
2443         (TARGET_MODES_TIEABLE_P): Redefine.
2444         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
2445         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
2446         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
2447         (TARGET_MODES_TIEABLE_P): Redefine.
2448         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
2449         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
2450         (ia64_modes_tieable_p): New function.
2451         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
2452         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
2453         (iq2000_modes_tieable_p): New function.
2454         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
2455         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
2456         (lm32_modes_tieable_p): New function.
2457         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
2458         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
2459         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
2460         (TARGET_MODES_TIEABLE_P): Redefine.
2461         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
2462         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
2463         (m32r_modes_tieable_p): New function.
2464         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
2465         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
2466         (m68k_modes_tieable_p): New function.
2467         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
2468         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
2469         (mcore_modes_tieable_p): New function.
2470         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
2471         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
2472         function.
2473         (TARGET_MODES_TIEABLE_P): Redefine.
2474         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
2475         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
2476         * config/mips/mips.c (mips_modes_tieable_p): Make static.
2477         (TARGET_MODES_TIEABLE_P): Redefine.
2478         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
2479         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
2480         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
2481         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
2482         (mn10300_modes_tieable_p): ...this and make static.
2483         (TARGET_MODES_TIEABLE_P): Redefine.
2484         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
2485         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
2486         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
2487         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
2488         (msp430_modes_tieable_p): Make static.
2489         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
2490         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
2491         (TARGET_MODES_TIEABLE_P): Redefine.
2492         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
2493         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
2494         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
2495         (TARGET_MODES_TIEABLE_P): Redefine.
2496         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
2497         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
2498         * config/pa/pa.c (pa_modes_tieable_p): Make static.
2499         (TARGET_MODES_TIEABLE_P): Redefine.
2500         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
2501         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
2502         (pdp11_modes_tieable_p): New function.
2503         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
2504         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
2505         (rs6000_modes_tieable_p): New function.
2506         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
2507         * config/powerpcspe/powerpcspe.md: Update comment.
2508         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
2509         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
2510         (TARGET_MODES_TIEABLE_P): Redefine.
2511         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
2512         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
2513         (rl78_modes_tieable_p): New function.
2514         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
2515         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
2516         (rs6000_modes_tieable_p): New function.
2517         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
2518         * config/rs6000/rs6000.md: Update comment.
2519         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
2520         * config/rx/rx.c (rx_modes_tieable_p): New function.
2521         (TARGET_MODES_TIEABLE_P): Redefine.
2522         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
2523         * config/s390/s390.c (s390_modes_tieable_p): New function.
2524         (TARGET_MODES_TIEABLE_P): Redefine.
2525         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
2526         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
2527         (sh_modes_tieable_p): New function.
2528         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
2529         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
2530         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
2531         (sparc_modes_tieable_p): Make static.
2532         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
2533         * config/spu/spu.c (spu_modes_tieable_p): New function.
2534         (TARGET_MODES_TIEABLE_P): Redefine.
2535         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
2536         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
2537         (TARGET_MODES_TIEABLE_P): Redefine.
2538         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
2539         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
2540         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
2541         * config/v850/v850.c (v850_modes_tieable_p): New function.
2542         (TARGET_MODES_TIEABLE_P): Redefine.
2543         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
2544         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
2545         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
2546         (visium_modes_tieable_p): New function.
2547         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
2548         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
2549         (xtensa_modes_tieable_p): New function.
2550         * system.h (MODES_TIEABLE_P): Poison.
2552 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2553             Alan Hayward  <alan.hayward@arm.com>
2554             David Sherwood  <david.sherwood@arm.com>
2556         * target.def (hard_regno_mode_ok): New hook.
2557         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
2558         (TARGET_HARD_REGNO_MODE_OK): ...this.
2559         * doc/tm.texi.in: Regenerate.
2560         * hooks.h (hook_bool_uint_mode_true): Declare.
2561         * hooks.c (hook_bool_uint_mode_true): New function.
2562         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
2563         HARD_REGNO_MODE_OK.
2564         * genpreds.c (write_insn_preds_c): Add an include of target.h.
2565         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
2566         instead of HARD_REGNO_MODE_OK.
2567         * caller-save.c: Include target.h.
2568         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
2569         HARD_REGNO_MODE_OK.
2570         * combine.c (can_combine_p): Likewise.
2571         (combinable_i3pat): Likewise.
2572         (can_change_dest_mode): Likewise.
2573         * expr.c (init_expr_target): Likewise.
2574         (convert_move): Likewise.
2575         (convert_modes): Likewise.
2576         * ira.c (setup_prohibited_class_mode_regs): Likewise.
2577         (setup_prohibited_mode_move_regs): Likewise.
2578         * ira.h (target_ira): Likewise.
2579         * lra-assigns.c (find_hard_regno_for_1): Likewise.
2580         * lra-constraints.c (process_alt_operands): Likewise.
2581         (split_reg): Likewise.
2582         * recog.c (peep2_find_free_register): Likewise.
2583         * ree.c (combine_reaching_defs): Likewise.
2584         * regcprop.c (maybe_mode_change): Likewise.
2585         * reginfo.c (init_reg_sets_1): Likewise.
2586         (choose_hard_reg_mode): Likewise.
2587         (simplifiable_subregs): Likewise.
2588         * regrename.c (check_new_reg_p): Likewise.
2589         * reload.c (find_valid_class): Likewise.
2590         (find_valid_class_1): Likewise.
2591         (reload_inner_reg_of_subreg): Likewise.
2592         (push_reload): Likewise.
2593         (combine_reloads): Likewise.
2594         (find_dummy_reload): Likewise.
2595         (find_reloads): Likewise.
2596         * reload1.c (find_reg): Likewise.
2597         (set_reload_reg): Likewise.
2598         (allocate_reload_reg): Likewise.
2599         (choose_reload_regs): Likewise.
2600         (reload_adjust_reg_for_temp): Likewise.
2601         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
2602         (simplify_subreg_regno): Likewise.
2603         * sel-sched.c (init_regs_for_mode): Likewise.
2604         * varasm.c (make_decl_rtl): Likewise.
2605         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
2606         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
2607         HARD_REGNO_MODE_OK.
2608         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
2609         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
2610         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2611         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
2612         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
2613         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2614         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
2615         (arc_mode_class): Delete.
2616         (HARD_REGNO_MODE_OK): Delete.
2617         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2618         (arc_hard_regno_mode_ok): Rename old array to...
2619         (arc_hard_regno_mode_ok_modes): ...this.
2620         (arc_conditional_register_usage): Update accordingly.
2621         (arc_mode_class): Make static.
2622         (arc_hard_regno_mode_ok): New function.
2623         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
2624         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
2625         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2626         (arm_hard_regno_mode_ok): Make static.
2627         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
2628         HARD_REGNO_MODE_OK.
2629         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
2630         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
2631         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
2632         return a bool.
2633         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2634         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
2635         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
2636         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
2637         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
2638         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2639         * config/bfin/predicates.md (valid_reg_operand): Use
2640         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
2641         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
2642         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
2643         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2644         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
2645         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
2646         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2647         (cr16_hard_regno_mode_ok): Make static and return a bool.
2648         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
2649         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2650         (cris_hard_regno_mode_ok): New function.
2651         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
2652         (epiphany_mode_class): Delete.
2653         (HARD_REGNO_MODE_OK): Delete.
2654         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
2655         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2656         (hard_regno_mode_ok): Rename to...
2657         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
2658         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
2659         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
2660         HARD_REGNO_MODE_OK.
2661         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
2662         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
2663         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2664         (frv_hard_regno_mode_ok): Make static and return a bool.
2665         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
2666         HARD_REGNO_MODE_OK.
2667         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
2668         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
2669         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
2670         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
2671         and return a bool.
2672         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2673         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
2674         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
2675         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
2676         return a bool.
2677         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2678         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
2679         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2680         (ia64_hard_regno_mode_ok): New function.
2681         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
2682         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2683         (iq2000_hard_regno_mode_ok): New function.
2684         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
2685         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2686         (lm32_hard_regno_mode_ok): New function.
2687         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
2688         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
2689         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
2690         instead of HARD_REGNO_MODE_OK.
2691         (m32c_hard_regno_ok): Rename to...
2692         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
2693         (m32c_cannot_change_mode_class): Update accordingly.
2694         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2695         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
2696         (m32r_mode_class): Delete.
2697         (HARD_REGNO_MODE_OK): Delete.
2698         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2699         (m32r_hard_regno_mode_ok): Rename to...
2700         (m32r_hard_regno_modes): ...this.
2701         (m32r_mode_class): Make static.
2702         (m32r_hard_regno_mode_ok): New function.
2703         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
2704         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
2705         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2706         (m68k_hard_regno_mode_ok): Make static.
2707         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
2708         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2709         (mcore_hard_regno_mode_ok): New function.
2710         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
2711         (HARD_REGNO_MODE_OK): Delete.
2712         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
2713         Rename to...
2714         (microblaze_hard_regno_mode_ok_p): ...this and make static.
2715         (microblaze_hard_regno_mode_ok): New function.
2716         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2717         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
2718         (mips_hard_regno_mode_ok): Delete.
2719         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
2720         (mips_hard_regno_mode_ok_p): ...this and make static.
2721         (mips_hard_regno_mode_ok_p): Rename to...
2722         (mips_hard_regno_mode_ok_uncached): ...this.
2723         (mips_hard_regno_mode_ok): New function.
2724         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
2725         of HARD_REGNO_MODE_OK.
2726         (mips_option_override): Update after above name changes.
2727         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2728         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
2729         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
2730         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
2731         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
2732         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2733         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
2734         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
2735         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
2736         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2737         (msp430_hard_regno_mode_ok): Make static and return a bool.
2738         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
2739         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
2740         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
2741         and return a bool.
2742         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2743         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
2744         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
2745         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
2746         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
2747         (PA_HARD_REGNO_MODE_OK): ...this
2748         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
2749         (PA_HARD_REGNO_MODE_OK): ...this.
2750         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2751         (pa_hard_regno_mode_ok): New function.
2752         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
2753         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2754         (pdp11_hard_regno_mode_ok): New function.
2755         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
2756         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
2757         Delete.
2758         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
2759         Make static.
2760         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2761         (rs6000_hard_regno_mode_ok): Rename to...
2762         (rs6000_hard_regno_mode_ok_uncached): ...this.
2763         (rs6000_init_hard_regno_mode_ok): Update accordingly.
2764         (rs6000_hard_regno_mode_ok): New function.
2765         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
2766         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
2767         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
2768         (riscv_hard_regno_mode_ok): ...this and make static.
2769         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2770         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
2771         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
2772         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2773         (rl78_hard_regno_mode_ok): Make static and return bool.
2774         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
2775         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
2776         Delete.
2777         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
2778         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2779         (rs6000_hard_regno_mode_ok): Rename to...
2780         (rs6000_hard_regno_mode_ok_uncached): ...this.
2781         (rs6000_init_hard_regno_mode_ok): Update accordingly.
2782         (rs6000_hard_regno_mode_ok): New function.
2783         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
2784         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
2785         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2786         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
2787         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
2788         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
2789         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2790         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
2791         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
2792         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2793         (sh_hard_regno_mode_ok): Make static.
2794         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
2795         instead of HARD_REGNO_MODE_OK.
2796         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
2797         (sparc_mode_class): Delete.
2798         (HARD_REGNO_MODE_OK): Delete.
2799         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2800         (hard_regno_mode_classes): Make static.
2801         (sparc_mode_class): Likewise.
2802         (sparc_hard_regno_mode_ok): New function.
2803         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
2804         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
2805         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
2806         function.
2807         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2808         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
2809         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
2810         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
2811         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
2812         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2813         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
2814         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
2815         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2816         (visium_hard_regno_mode_ok): New function.
2817         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
2818         instead of HARD_REGNO_MODE_OK.
2819         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
2820         (HARD_REGNO_MODE_OK): Delete.
2821         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
2822         (xtensa_hard_regno_mode_ok_p): ...this and make static.
2823         (xtensa_option_override): Update accordingly.
2824         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2825         (xtensa_hard_regno_mode_ok): New function.
2826         * system.h (HARD_REGNO_MODE_OK): Poison.
2828 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2829             Alan Hayward  <alan.hayward@arm.com>
2830             David Sherwood  <david.sherwood@arm.com>
2832         * target.def (hard_regno_call_part_clobbered): New hook.
2833         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
2834         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
2835         * doc/tm.texi: Regenerate.
2836         * hooks.h (hook_bool_uint_mode_false): Declare.
2837         * hooks.c (hook_bool_uint_mode_false): New function.
2838         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2839         * cselib.c (cselib_process_insn): Use
2840         targetm.hard_regno_call_part_clobbered instead of
2841         HARD_REGNO_CALL_PART_CLOBBERED.
2842         * ira-conflicts.c (ira_build_conflicts): Likewise.
2843         * ira-costs.c (ira_tune_allocno_costs): Likewise.
2844         * lra-constraints.c (need_for_call_save_p): Likewise.
2845         * lra-lives.c: Include target.h.
2846         (check_pseudos_live_through_calls): Use
2847         targetm.hard_regno_call_part_clobbered instead of
2848         HARD_REGNO_CALL_PART_CLOBBERED.
2849         * regcprop.c: Include target.h.
2850         (copyprop_hardreg_forward_1): Use
2851         targetm.hard_regno_call_part_clobbered instead of
2852         HARD_REGNO_CALL_PART_CLOBBERED.
2853         * reginfo.c (choose_hard_reg_mode): Likewise.
2854         * regrename.c (check_new_reg_p): Likewise.
2855         * reload.c (find_equiv_reg): Likewise.
2856         * reload1.c (emit_reload_insns): Likewise.
2857         * sched-deps.c (deps_analyze_insn): Likewise.
2858         * sel-sched.c (init_regs_for_mode): Likewise.
2859         (mark_unavailable_hard_regs): Likewise.
2860         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
2861         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2862         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
2863         New function.
2864         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2865         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2866         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
2867         Delete.
2868         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
2869         and return a bool.
2870         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2871         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2872         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
2873         function.
2874         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2875         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2876         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
2877         function.
2878         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2879         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
2880         Delete.
2881         * config/powerpcspe/powerpcspe.c
2882         (rs6000_hard_regno_call_part_clobbered): New function.
2883         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2884         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2885         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
2886         New function.
2887         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2888         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2889         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
2890         function.
2891         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2892         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2893         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
2895 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2896             Alan Hayward  <alan.hayward@arm.com>
2897             David Sherwood  <david.sherwood@arm.com>
2899         * rtl.h (subreg_memory_offset): Declare.
2900         * emit-rtl.c (subreg_memory_offset): New function.
2901         * expmed.c (store_bit_field_1): Use it.
2902         * expr.c (undefined_operand_subword_p): Likewise.
2903         * simplify-rtx.c (simplify_subreg): Likewise.
2905 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
2907         PR rtl-optimization/57448
2908         PR target/67458
2909         PR target/81316
2910         * optabs.c (expand_atomic_load): Place compiler memory barriers if
2911         using atomic_load pattern.
2912         (expand_atomic_store): Likewise.
2914 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
2916         PR sanitizer/81981
2917         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
2918         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
2919         handling.  Use replace_call_with_value with NULL instead of
2920         gsi_replace, unlink_stmt_vdef and release_defs.
2922         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
2923         instead of tab.
2925         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
2927 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2929         PR bootstrap/82045
2930         * rtl.h (emit_library_call_value_1): Declare.
2931         (emit_library_call): Replace declaration with a series of overloads.
2932         Remove the parameter count argument.
2933         (emit_library_call_value): Likewise.
2934         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
2935         with an "rtx_mode_t *".
2936         (emit_library_call_value): Delete.
2937         (emit_library_call): Likewise.
2938         * asan.c (asan_emit_stack_protection): Update calls accordingly.
2939         (asan_emit_allocas_unpoison): Likewise.
2940         * builtins.c (expand_builtin_powi): Likewise.
2941         (expand_asan_emit_allocas_unpoison): Likewise.
2942         * cfgexpand.c (expand_main_function): Likewise.
2943         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
2944         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
2945         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
2946         * config/arm/arm.c (arm_trampoline_init): Likewise.
2947         (arm_call_tls_get_addr): Likewise.
2948         (arm_expand_divmod_libfunc): Likewise.
2949         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
2950         (smulsi3_highpart): Likewise.
2951         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
2952         (c6x_expand_compare): Likewise.
2953         (c6x_expand_movmem): Likewise.
2954         * config/frv/frv.c (frv_trampoline_init): Likewise.
2955         * config/i386/i386.c (ix86_trampoline_init): Likewise.
2956         (ix86_expand_divmod_libfunc): Likewise.
2957         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2958         (ia64_expand_compare): Likewise.
2959         (ia64_profile_hook): Likewise.
2960         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
2961         (nonlocal_goto): Likewise.
2962         (restore_stack_nonlocal): Likewise.
2963         * config/m32r/m32r.c (block_move_call): Likewise.
2964         (m32r_trampoline_init): Likewise.
2965         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
2966         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
2967         (m68k_call_m68k_read_tp): Likewise.
2968         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
2969         (microblaze_expand_divide): Likewise.
2970         * config/mips/mips.h (mips_args): Likewise.
2971         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
2972         (MIPS_ICACHE_SYNC): Likewise.
2973         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
2974         (nios2_trampoline_init): Likewise.
2975         * config/pa/pa.c (hppa_tls_call): Likewise.
2976         (pa_trampoline_init): Likewise.
2977         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
2978         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
2979         (expand_strn_compare): Likewise.
2980         (rs6000_generate_compare): Likewise.
2981         (rs6000_expand_float128_convert): Likewise.
2982         (output_profile_hook): Likewise.
2983         (rs6000_trampoline_init): Likewise.
2984         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
2985         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
2986         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
2987         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2988         (rs6000_generate_compare): Likewise.
2989         (rs6000_expand_float128_convert): Likewise.
2990         (output_profile_hook): Likewise.
2991         (rs6000_trampoline_init): Likewise.
2992         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
2993         * config/sh/sh.c (sh_trampoline_init): Likewise.
2994         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
2995         (sparc_emit_float_lib_cmp): Likewise.
2996         (sparc32_initialize_trampoline): Likewise.
2997         (sparc64_initialize_trampoline): Likewise.
2998         (sparc_profile_hook): Likewise.
2999         * config/spu/spu.c (ea_load_store): Likewise.
3000         * config/spu/spu.md (floatunssidf2): Likewise.
3001         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
3002         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
3003         * config/visium/visium.c (expand_block_move_4): Likewise.
3004         (expand_block_move_2): Likewise.
3005         (expand_block_move_1): Likewise.
3006         (expand_block_set_4): Likewise.
3007         (expand_block_set_2): Likewise.
3008         (expand_block_set_1): Likewise.
3009         (visium_trampoline_init): Likewise.
3010         (visium_profile_hook): Likewise.
3011         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
3012         (xtensa_setup_frame_addresses): Likewise.
3013         (xtensa_trampoline_init): Likewise.
3014         * except.c (sjlj_emit_function_enter): Likewise.
3015         (sjlj_emit_function_exit): Likewise.
3016         * explow.c (allocate_dynamic_stack_space): Likewise.
3017         (probe_stack_range): Likewise.
3018         * expr.c (convert_mode_scalar): Likewise.
3019         * optabs.c (expand_binop): Likewise.
3020         (expand_twoval_binop_libfunc): Likewise.
3021         (expand_unop): Likewise.
3022         (prepare_cmp_insn): Likewise.
3023         (prepare_float_lib_cmp): Likewise.
3024         (expand_float): Likewise.
3025         (expand_fix): Likewise.
3026         (expand_fixed_convert): Likewise.
3027         (maybe_emit_sync_lock_test_and_set): Likewise.
3028         (expand_atomic_compare_and_swap): Likewise.
3029         (expand_mem_thread_fence): Likewise.
3030         (expand_atomic_fetch_op): Likewise.
3032 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
3034         * doc/generic.texi (OpenACC): Adjust URL.
3035         * doc/invoke.texi (C Dialect Options): Ditto.
3037 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
3039         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
3040         predicate for operand 1.  Add (m,<S>) constraint.
3041         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
3042         Prevent memory operand 1 with register operand 2.
3044 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
3046         PR rtl-optimization/82024
3047         * combine.c (try_combine): If the combination result is a PARALLEL,
3048         and we only need to retain the SET in there that would be placed
3049         at I2, check that we can place that at I3 instead, before doing so.
3051 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
3053         PR target/81766
3054         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
3055         instead of void.
3056         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
3057         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
3058         and label.
3060 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
3061             Jeff Law  <law@redhat.com>
3063         * varasm.c (bss_initializer_p): Do not put constants into .bss
3064         (categorize_decl_for_section): Handle bss_initializer_p returning
3065         false when DECL_INITIAL is NULL.
3067 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3069         PR target/82012
3070         * config/s390/s390.c (s390_can_inline_p): New function.
3072 2017-09-01  Jeff Law  <law@redhat.com>
3074         PR tree-optimization/82052
3075         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
3076         Always initialize the returned slot after a hash table miss
3077         when INSERT is true.
3079 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
3081         * config/s390/s390.md (mem_signal_fence): Remove.
3082         * doc/md.texi (mem_signal_fence): Remove.
3083         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
3084         Update comments.
3085         * target-insns.def (mem_signal_fence): Remove.
3087 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
3089         PR sanitizer/81902
3090         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
3092         PR sanitizer/81923
3093         * asan.c (create_odr_indicator): Strip name encoding from assembler
3094         name before appending it after __odr_asan_.
3096 2017-09-01  Martin Liska  <mliska@suse.cz>
3098         PR tree-optimization/82059
3099         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
3100         frequency only when an edge is redirected.
3102 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
3104         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
3105         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
3106         (arc_conditional_register_usage): Remove ARC600 lp_count
3107         exception.
3108         (arc_file_start): Emit Tag_ARC_CPU_variation.
3109         (arc_can_use_doloop_p): New conditions to use ZOLs.
3110         (hwloop_fail): New function.
3111         (hwloop_optimize): Likewise.
3112         (hwloop_pattern_reg): Likewise.
3113         (arc_doloop_hooks): New struct, to be used with reorg_loops.
3114         (arc_reorg_loops): New function, calls reorg_loops.
3115         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
3116         (arc600_corereg_hazard): Remove ZOL checking, case handled by
3117         hwloop_optimize.
3118         (arc_loop_hazard): Remove function, functionality moved into
3119         hwloop_optimize.
3120         (arc_hazard): Remove arc_loop_hazard call.
3121         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
3122         into hwloop_optimize.
3123         (arc_label_align): Remove ZOL handling.
3124         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
3125         * config/arc/arc.md (doloop_begin): Remove pattern.
3126         (doloop_begin_i): Likewise.
3127         (doloop_end_i): Likewise.
3128         (doloop_fallback): Likewise.
3129         (doloop_fallback_m): Likewise.
3130         (doloop_end): Reimplement expand.
3131         (arc_lp): New pattern for LP instruction.
3132         (loop_end): New pattern.
3133         (loop_fail): Likewise.
3134         (decrement_and_branch_until_zero): Likewise.
3135         * config/arc/arc.opt (mlpc-width): New option.
3136         * doc/invoke.texi (mlpc-width): Document option.
3138 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
3140         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
3141         (arc_ccfsm_advance): Fix checking for delay slots.
3142         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
3144 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
3146         * config/arc/arc.md (movqi_insn): Add stores to save constant long
3147         immediates.
3148         (movhi_insn): Update store instruction constraint which are saving
3149         6-bit short immediates.
3150         (movsi_insn): Consider also short scaled load operations.
3151         (zero_extendhisi2_i): Use Usd constraint instead of T.
3152         (extendhisi2_i): Add q constraint.
3153         (arc_clzsi2): Add type and length attributes.
3154         (arc_ctzsi2): Likewise.
3155         * config/arc/constraints.md (Usc): Update constraint, the
3156         assembler can parse two relocations for a single instruction.
3158 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
3160         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
3161         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
3163 2017-08-31  Olivier Hainque  <hainque@adacore.com>
3165         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
3166         match as powerpc-wrs-vxworks*.
3168 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
3170         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
3171         register constraint for by-element operand.
3172         (aarch64_mls_elt_merge<mode>): Likewise.
3174 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
3176         * config/arc/arc.c (arc_can_follow_jump): Check for short
3177         branches.
3179 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
3181         * config.gcc: Use g.opt for arc.
3182         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
3183         functionality moved to ...
3184         (legitimate_scaled_address_p): New function, ...here.
3185         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
3186         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
3187         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
3188         condition.
3189         (arc_override_options): Handle G option.
3190         (arc_output_pic_addr_const): Correct function definition.
3191         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
3192         (arc_decl_anon_ns_mem_p): Delete.
3193         (arc_in_small_data_p): Overhaul this function to take into
3194         consideration the value given via G option.
3195         (arc_rewrite_small_data_1): Renamed and corrected old
3196         arc_rewrite_small_data function.
3197         (arc_rewrite_small_data): New function.
3198         (small_data_pattern): Don't use pic_offset_table_rtx.
3199         * config/arc/arc.h (CC1_SPEC): Recognize G option.
3200         * config/arc/simdext.md (movmisalignv2hi): Use
3201         prepare_move_operands function.
3202         (mov*): Likewise.
3203         (movmisalign*): Likewise.
3204         * doc/invoke.texi (ARC options): Document -G option.
3206 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
3208         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
3209         prototype.
3210         * config/arc/arc.c (arc_print_operand): Output scalled address for
3211         sdata whenever is possible.
3212         (arc_in_small_data_p): Allow sdata for 64bit datum when double
3213         load/stores are available.
3214         (compact_sda_memory_operand): Check for the alignment required by
3215         code density instructions.
3216         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
3217         constraint.
3218         * config/arc/constraints.md (Usd): Update constraint.
3219         (Us0): New constraint.
3220         (Usc): Update constraint.
3222 2017-08-31  Richard Biener  <rguenther@suse.de>
3224         PR middle-end/82054
3225         * dwarf2out.c (dwarf2out_early_global_decl): Process each
3226         function only once.
3228 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
3230         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
3231         Resize type_signature.
3233 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3234             Alan Hayward  <alan.hayward@arm.com>
3235             David Sherwood  <david.sherwood@arm.com>
3237         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
3238         subregs whose inner modes can be stored in GPRs.
3239         (aarch64_classify_index): Likewise.
3241 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3242             Alan Hayward  <alan.hayward@arm.com>
3243             David Sherwood  <david.sherwood@arm.com>
3245         * config/aarch64/iterators.md (V_cmp_result): Rename to...
3246         (V_INT_EQUIV): ...this.
3247         (v_cmp_result): Rename to...
3248         (v_int_equiv): ...this.
3249         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
3250         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
3251         (copysign<mode>3): Likewise.
3252         (aarch64_simd_bsl<mode>_internal): Likewise.
3253         (aarch64_simd_bsl<mode>): Likewise.
3254         (vec_cmp<mode><mode>): Likewise.
3255         (vcond<mode><mode>): Likewise.
3256         (vcond<v_cmp_mixed><mode>): Likewise.
3257         (vcondu<mode><v_cmp_mixed>): Likewise.
3258         (aarch64_cm<optab><mode>): Likewise.
3259         (aarch64_cmtst<mode>): Likewise.
3260         (aarch64_fac<optab><mode>): Likewise.
3261         (vec_perm_const<mode>): Likewise.
3262         (vcond_mask_<mode><v_cmp_result>): Rename to...
3263         (vcond_mask_<mode><v_int_equiv>): ...this.
3264         (vec_cmp<mode><v_cmp_result>): Rename to...
3265         (vec_cmp<mode><v_int_equiv>): ...this.
3267 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3268             Alan Hayward  <alan.hayward@arm.com>
3269             David Sherwood  <david.sherwood@arm.com>
3271         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
3272         vector modes.
3273         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
3274         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
3275         (UNSPEC_LD4_DREG): New unspecs.
3276         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
3277         (aarch64_ld2<mode>_dreg_be): Replace with...
3278         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
3279         unspec.
3280         (aarch64_ld3<mode>_dreg_le)
3281         (aarch64_ld3<mode>_dreg_be): Replace with...
3282         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
3283         unspec.
3284         (aarch64_ld4<mode>_dreg_le)
3285         (aarch64_ld4<mode>_dreg_be): Replace with...
3286         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
3287         unspec.
3289 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3291         PR tree-optimization/81987
3292         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
3293         insert an initializer in a location not dominated by the stride
3294         definition.
3296 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
3298         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
3299         on the entire header of the finally block in the fallthru case.
3301 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
3303         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
3305 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
3307         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
3308         rs6000_emit_move_from_cr and call renamed function.
3309         (rs6000_emit_prologue): Call renamed functions.
3310         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
3311         movesi_from_cr, remove volatile CRs.
3313 2017-08-30  Jon Beniston  <jon@beniston.com>
3314             Richard Biener  <rguenther@suse.de>
3316         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
3317         of VECTOR_MODE_P check.
3318         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
3319         element vector types.
3321 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3323         * df.h (df_read_modify_subreg_p): Remove in favor of...
3324         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
3325         const_rtx instead of an rtx.
3326         * cprop.c (local_cprop_find_used_regs): Update accordingly.
3327         * df-problems.c (df_word_lr_mark_ref): Likewise.
3328         * ira-lives.c (mark_pseudo_reg_live): Likewise.
3329         (mark_pseudo_reg_dead): Likewise.
3330         (mark_ref_dead): Likewise.
3331         * reginfo.c (init_subregs_of_mode): Likewise.
3332         * sched-deps.c (sched_analyze_1): Likewise.
3333         * df-scan.c (df_def_record_1): Likewise.
3334         (df_uses_record): Likewise.
3335         (df_read_modify_subreg_p): Remove in favor of...
3336         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
3337         const_rtx instead of an rtx.
3339 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3340             Alan Hayward  <alan.hayward@arm.com>
3341             David Sherwood  <david.sherwood@arm.com>
3343         * rtl.h (partial_subreg_p): New function.
3344         * caller-save.c (save_call_clobbered_regs): Use it.
3345         * calls.c (expand_call): Likewise.
3346         * combine.c (combinable_i3pat): Likewise.
3347         (simplify_set): Likewise.
3348         (make_extraction): Likewise.
3349         (make_compound_operation_int): Likewise.
3350         (gen_lowpart_or_truncate): Likewise.
3351         (force_to_mode): Likewise.
3352         (make_field_assignment): Likewise.
3353         (reg_truncated_to_mode): Likewise.
3354         (record_truncated_value): Likewise.
3355         (move_deaths): Likewise.
3356         * cse.c (record_jump_cond): Likewise.
3357         (cse_insn): Likewise.
3358         * cselib.c (cselib_lookup_1): Likewise.
3359         * expmed.c (extract_bit_field_using_extv): Likewise.
3360         * function.c (assign_parm_setup_reg): Likewise.
3361         * ifcvt.c (noce_convert_multiple_sets): Likewise.
3362         * ira-build.c (create_insn_allocnos): Likewise.
3363         * lra-coalesce.c (merge_pseudos): Likewise.
3364         * lra-constraints.c (match_reload): Likewise.
3365         (simplify_operand_subreg): Likewise.
3366         (curr_insn_transform): Likewise.
3367         * lra-lives.c (process_bb_lives): Likewise.
3368         * lra.c (new_insn_reg): Likewise.
3369         (lra_substitute_pseudo): Likewise.
3370         * regcprop.c (mode_change_ok): Likewise.
3371         (maybe_mode_change): Likewise.
3372         (copyprop_hardreg_forward_1): Likewise.
3373         * reload.c (push_reload): Likewise.
3374         (find_reloads): Likewise.
3375         (find_reloads_subreg_address): Likewise.
3376         * reload1.c (alter_reg): Likewise.
3377         (eliminate_regs_1): Likewise.
3378         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3380 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
3382         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
3383         back to if statements, including unpack.
3385 2017-08-30  Martin Liska  <mliska@suse.cz>
3387         PR inline-asm/82001
3388         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
3389         Rename to ...
3390         (func_checker::compare_asm_inputs_outputs): ... this function.
3391         (func_checker::compare_gimple_asm): Use the function to compare
3392         also ASM constrains.
3393         * ipa-icf-gimple.h: Rename the function.
3395 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3396             Alan Hayward  <alan.hayward@arm.com>
3397             David Sherwood  <david.sherwood@arm.com>
3399         * coretypes.h (complex_mode): New type.
3400         * gdbhooks.py (build_pretty_printer): Handle it.
3401         * machmode.h (complex_mode): New class.
3402         (complex_mode::includes_p): New function.
3403         (is_complex_int_mode): Likewise.
3404         (is_complex_float_mode): Likewise.
3405         * genmodes.c (get_mode_class): Handle complex mode classes.
3406         * function.c (expand_function_end): Use is_complex_int_mode.
3408 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3409             Alan Hayward  <alan.hayward@arm.com>
3410             David Sherwood  <david.sherwood@arm.com>
3412         * coretypes.h (scalar_mode_pod): New typedef.
3413         * gdbhooks.py (build_pretty_printer): Handle it.
3414         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
3415         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
3416         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
3417         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
3418         as_a <scalar_mode>.
3420 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3421             Alan Hayward  <alan.hayward@arm.com>
3422             David Sherwood  <david.sherwood@arm.com>
3424         * machmode.h (mode_for_vector): Take a scalar_mode instead
3425         of a machine_mode.
3426         * stor-layout.c (mode_for_vector): Likewise.
3427         * explow.c (promote_mode): Use as_a <scalar_mode>.
3428         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
3430 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3431             Alan Hayward  <alan.hayward@arm.com>
3432             David Sherwood  <david.sherwood@arm.com>
3434         * target.def (preferred_simd_mode): Take a scalar_mode
3435         instead of a machine_mode.
3436         * targhooks.h (default_preferred_simd_mode): Likewise.
3437         * targhooks.c (default_preferred_simd_mode): Likewise.
3438         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
3439         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
3440         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
3441         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
3442         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
3443         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
3444         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
3445         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
3446         Likewise.
3447         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
3448         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
3449         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
3450         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
3451         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
3452         * doc/tm.texi: Regenerate.
3453         * optabs-query.c (can_vec_mask_load_store_p): Return false for
3454         non-scalar modes.
3456 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3457             Alan Hayward  <alan.hayward@arm.com>
3458             David Sherwood  <david.sherwood@arm.com>
3460         * target.def (scalar_mode_supported_p): Take a scalar_mode
3461         instead of a machine_mode.
3462         * targhooks.h (default_scalar_mode_supported_p): Likewise.
3463         * targhooks.c (default_scalar_mode_supported_p): Likewise.
3464         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
3465         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3466         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
3467         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
3468         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
3469         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
3470         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
3471         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
3472         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
3473         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
3474         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
3475         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
3476         Likewise.
3477         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
3478         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
3479         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
3480         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
3481         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
3482         Likewise.
3483         * doc/tm.texi: Regenerate.
3485 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3486             Alan Hayward  <alan.hayward@arm.com>
3487             David Sherwood  <david.sherwood@arm.com>
3489         * coretypes.h (opt_scalar_mode): New typedef.
3490         * gdbhooks.py (build_pretty_printers): Handle it.
3491         * machmode.h (mode_iterator::get_2xwider): Add overload for
3492         opt_mode<T>.
3493         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
3494         over scalar modes.
3495         * expr.c (convert_mode_scalar): Likewise.
3496         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3497         * optabs.c (expand_float): Likewise.
3498         (expand_fix): Likewise.
3499         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3501 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3502             Alan Hayward  <alan.hayward@arm.com>
3503             David Sherwood  <david.sherwood@arm.com>
3505         * optabs.c (expand_float): Explicitly check for scalars before
3506         using a branching expansion.
3507         (expand_fix): Likewise.
3509 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3510             Alan Hayward  <alan.hayward@arm.com>
3511             David Sherwood  <david.sherwood@arm.com>
3513         * expr.c (convert_mode): Split scalar handling out into...
3514         (convert_mode_scalar): ...this new function.  Treat the modes
3515         as scalar_modes.
3517 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3518             Alan Hayward  <alan.hayward@arm.com>
3519             David Sherwood  <david.sherwood@arm.com>
3521         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
3522         and scalar_mode.
3523         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
3525 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3526             Alan Hayward  <alan.hayward@arm.com>
3527             David Sherwood  <david.sherwood@arm.com>
3529         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
3530         rather than a machine_mode.
3531         (fixed_from_string): Likewise.
3532         (fixed_convert): Likewise.
3533         (fixed_convert_from_int): Likewise.
3534         (fixed_convert_from_real): Likewise.
3535         (real_convert_from_fixed): Likewise.
3536         * fixed-value.c (fixed_from_double_int): Likewise.
3537         (fixed_from_string): Likewise.
3538         (fixed_convert): Likewise.
3539         (fixed_convert_from_int): Likewise.
3540         (fixed_convert_from_real): Likewise.
3541         (real_convert_from_fixed): Likewise.
3542         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
3544 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3545             Alan Hayward  <alan.hayward@arm.com>
3546             David Sherwood  <david.sherwood@arm.com>
3548         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
3549         of separate mode class checks.  Do not allow vector modes here.
3550         (immed_wide_int_const): Use as_a <scalar_mode>.
3551         * explow.c (trunc_int_for_mode): Likewise.
3552         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
3553         (wi::shwi): Likewise.
3554         (wi::min_value): Likewise.
3555         (wi::max_value): Likewise.
3556         * dwarf2out.c (loc_descriptor): Likewise.
3557         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
3558         for CONST_WIDE_INT.
3560 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3561             Alan Hayward  <alan.hayward@arm.com>
3562             David Sherwood  <david.sherwood@arm.com>
3564         * tree.h (SCALAR_TYPE_MODE): New macro.
3565         * expr.c (expand_expr_addr_expr_1): Use it.
3566         (expand_expr_real_2): Likewise.
3567         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
3568         (fold_convert_const_fixed_from_int): Likewise.
3569         (fold_convert_const_fixed_from_real): Likewise.
3570         (native_encode_fixed): Likewise
3571         (native_encode_complex): Likewise
3572         (native_encode_vector): Likewise.
3573         (native_interpret_fixed): Likewise.
3574         (native_interpret_real): Likewise.
3575         (native_interpret_complex): Likewise.
3576         (native_interpret_vector): Likewise.
3577         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
3578         (simd_clone_adjust_argument_types): Likewise.
3579         (simd_clone_init_simd_arrays): Likewise.
3580         (simd_clone_adjust): Likewise.
3581         * stor-layout.c (layout_type): Likewise.
3582         * tree.c (build_minus_one_cst): Likewise.
3583         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3584         * tree-inline.c (estimate_move_cost): Likewise.
3585         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
3586         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
3587         (vectorizable_reduction): Likewise.
3588         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
3589         (vect_recog_mixed_size_cond_pattern): Likewise.
3590         (check_bool_pattern): Likewise.
3591         (adjust_bool_pattern): Likewise.
3592         (search_type_for_mask_1): Likewise.
3593         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
3594         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3595         (vectorizable_load): Likewise.
3596         (vectorizable_store): Likewise.
3597         * ubsan.c (ubsan_encode_value): Likewise.
3598         * varasm.c (output_constant): Likewise.
3600 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3601             Alan Hayward  <alan.hayward@arm.com>
3602             David Sherwood  <david.sherwood@arm.com>
3604         * coretypes.h (scalar_mode): New class.
3605         * machmode.h (scalar_mode): Likewise.
3606         (scalar_mode::includes_p): New function.
3607         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
3608         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
3609         * genmodes.c (get_mode_class): Handle remaining scalar modes.
3610         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
3611         * expmed.c (store_bit_field_1): Likewise.
3612         (extract_bit_field_1): Likewise.
3613         * expr.c (write_complex_part): Likewise.
3614         (read_complex_part): Likewise.
3615         (emit_move_complex_push): Likewise.
3616         (expand_expr_real_2): Likewise.
3617         * function.c (assign_parm_setup_reg): Likewise.
3618         (assign_parms_unsplit_complex): Likewise.
3619         * optabs.c (expand_binop): Likewise.
3620         * rtlanal.c (subreg_get_info): Likewise.
3621         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3622         * varasm.c (output_constant_pool_2): Likewise.
3624 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3625             Alan Hayward  <alan.hayward@arm.com>
3626             David Sherwood  <david.sherwood@arm.com>
3628         * expmed.c (extract_high_half): Use scalar_int_mode and remove
3629         assertion.
3630         (expmed_mult_highpart_optab): Likewise.
3631         (expmed_mult_highpart): Likewise.
3633 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3634             Alan Hayward  <alan.hayward@arm.com>
3635             David Sherwood  <david.sherwood@arm.com>
3637         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
3638         instead of a machine_mode.
3639         (builtin_memset_read_str): Likewise.
3640         * builtins.c (c_readstr): Likewise.
3641         (builtin_memcpy_read_str): Likewise.
3642         (builtin_strncpy_read_str): Likewise.
3643         (builtin_memset_read_str): Likewise.
3644         (builtin_memset_gen_str): Likewise.
3645         (expand_builtin_signbit): Use scalar_int_mode for local variables.
3646         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
3647         instead of a machine_mode.
3648         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
3649         variables.
3650         (make_extraction): Likewise.
3651         (try_widen_shift_mode): Take and return scalar_int_modes instead
3652         of machine_modes.
3653         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
3654         a scalar_int_mode instead of a machine_mode.
3655         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
3656         (avr_addr_space_pointer_mode): Likewise.
3657         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
3658         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
3659         (msp430_unwind_word_mode): Likewise.
3660         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
3661         (spu_addr_space_pointer_mode): Likewise.
3662         (spu_addr_space_address_mode): Likewise.
3663         (spu_libgcc_cmp_return_mode): Likewise.
3664         (spu_libgcc_shift_count_mode): Likewise.
3665         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
3666         (rl78_addr_space_pointer_mode): Likewise.
3667         (fl78_unwind_word_mode): Likewise.
3668         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
3669         machine_mode.
3670         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
3671         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
3672         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
3673         (mips_valid_pointer_mode): Likewise.
3674         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
3675         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
3676         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
3677         of a machine_mode.
3678         (ft32_addr_space_address_mode): Likewise.
3679         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
3680         scalar_int_mode instead of a machine_mode.
3681         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
3682         of a machine_mode.
3683         (m32c_addr_space_address_mode): Likewise.
3684         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
3685         (rs6000_eh_return_filter_mode): Likewise.
3686         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
3687         (rs6000_eh_return_filter_mode): Likewise.
3688         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
3689         (s390_libgcc_shift_count_mode): Likewise.
3690         (s390_unwind_word_mode): Likewise.
3691         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
3692         machine_mode.
3693         * target.def (mode_rep_extended): Likewise.
3694         (valid_pointer_mode): Likewise.
3695         (addr_space.valid_pointer_mode): Likewise.
3696         (eh_return_filter_mode): Return a scalar_int_mode rather than
3697         a machine_mode.
3698         (libgcc_cmp_return_mode): Likewise.
3699         (libgcc_shift_count_mode): Likewise.
3700         (unwind_word_mode): Likewise.
3701         (addr_space.pointer_mode): Likewise.
3702         (addr_space.address_mode): Likewise.
3703         * doc/tm.texi: Regenerate.
3704         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
3705         a machine_mode.
3706         (do_jump): Use scalar_int_mode for local variables.
3707         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
3708         rather than a machine_mode.
3709         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
3710         (scompare_loc_descriptor_wide): Likewise.
3711         (scompare_loc_descriptor_narrow): Likewise.
3712         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
3713         variables.
3714         * except.c (sjlj_emit_dispatch_table): Likewise.
3715         (expand_builtin_eh_copy_values): Likewise.
3716         * explow.c (convert_memory_address_addr_space_1): Likewise.
3717         Take a scalar_int_mode rather than a machine_mode.
3718         (convert_memory_address_addr_space): Take a scalar_int_mode rather
3719         than a machine_mode.
3720         (memory_address_addr_space): Use scalar_int_mode for local variables.
3721         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
3722         rather than a machine_mode.
3723         * expmed.c (mask_rtx): Likewise.
3724         (init_expmed_one_conv): Likewise.
3725         (expand_mult_highpart_adjust): Likewise.
3726         (extract_high_half): Likewise.
3727         (expmed_mult_highpart_optab): Likewise.
3728         (expmed_mult_highpart): Likewise.
3729         (expand_smod_pow2): Likewise.
3730         (expand_sdiv_pow2): Likewise.
3731         (emit_store_flag_int): Likewise.
3732         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
3733         variables.
3734         (extract_low_bits): Likewise.
3735         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
3736         a machine_mode.
3737         * expr.c (pieces_addr::adjust):  Likewise.
3738         (can_store_by_pieces): Likewise.
3739         (store_by_pieces): Likewise.
3740         (clear_by_pieces_1): Likewise.
3741         (expand_expr_addr_expr_1): Likewise.
3742         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
3743         (expand_expr_real_1): Likewise.
3744         (try_casesi): Likewise.
3745         * final.c (shorten_branches): Likewise.
3746         * fold-const.c (fold_convert_const_int_from_fixed): Change the
3747         type of "mode" to machine_mode.
3748         * internal-fn.c (expand_arith_overflow_result_store): Take a
3749         scalar_int_mode rather than a machine_mode.
3750         (expand_mul_overflow): Use scalar_int_mode for local variables.
3751         * loop-doloop.c (doloop_modify): Likewise.
3752         (doloop_optimize): Likewise.
3753         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
3754         than a machine_mode.
3755         (expand_doubleword_shift_condmove): Likewise.
3756         (expand_doubleword_shift): Likewise.
3757         (expand_doubleword_clz): Likewise.
3758         (expand_doubleword_popcount): Likewise.
3759         (expand_doubleword_parity): Likewise.
3760         (expand_absneg_bit): Use scalar_int_mode for local variables.
3761         (prepare_float_lib_cmp): Likewise.
3762         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
3763         rather than a machine_mode.
3764         (convert_memory_address_addr_space): Likewise.
3765         (get_mode_bounds): Likewise.
3766         (get_address_mode): Return a scalar_int_mode rather than a
3767         machine_mode.
3768         * rtlanal.c (get_address_mode): Likewise.
3769         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
3770         than a machine_mode.
3771         * targhooks.c (default_mode_rep_extended): Likewise.
3772         (default_valid_pointer_mode): Likewise.
3773         (default_addr_space_valid_pointer_mode): Likewise.
3774         (default_eh_return_filter_mode): Return a scalar_int_mode rather
3775         than a machine_mode.
3776         (default_libgcc_cmp_return_mode): Likewise.
3777         (default_libgcc_shift_count_mode): Likewise.
3778         (default_unwind_word_mode): Likewise.
3779         (default_addr_space_pointer_mode): Likewise.
3780         (default_addr_space_address_mode): Likewise.
3781         * targhooks.h (default_eh_return_filter_mode): Likewise.
3782         (default_libgcc_cmp_return_mode): Likewise.
3783         (default_libgcc_shift_count_mode): Likewise.
3784         (default_unwind_word_mode): Likewise.
3785         (default_addr_space_pointer_mode): Likewise.
3786         (default_addr_space_address_mode): Likewise.
3787         (default_mode_rep_extended): Take a scalar_int_mode rather than
3788         a machine_mode.
3789         (default_valid_pointer_mode): Likewise.
3790         (default_addr_space_valid_pointer_mode): Likewise.
3791         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
3792         local variables.
3793         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
3794         rather than a machine_mode.
3795         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
3796         for local variables.
3797         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3798         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
3799         than a machine_mode.
3801 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3802             Alan Hayward  <alan.hayward@arm.com>
3803             David Sherwood  <david.sherwood@arm.com>
3805         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
3806         the mode argument to scalar_int_mode.
3807         (do_jump_by_parts_zero_rtx): Likewise.
3808         (do_jump_by_parts_equality_rtx): Likewise.
3809         (do_jump_by_parts_greater): Take a mode argument.
3810         (do_jump_by_parts_equality): Likewise.
3811         (do_jump_1): Update calls accordingly.
3813 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3814             Alan Hayward  <alan.hayward@arm.com>
3815             David Sherwood  <david.sherwood@arm.com>
3817         * is-a.h (safe_dyn_cast): New function.
3818         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
3819         (jump_table_for_label): Likewise.
3820         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
3821         instead of an rtx_insn *.
3822         (shorten_branches): Use dyn_cast instead of LABEL_P and
3823         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
3824         rtx_jump_table_data::get_data_mode.
3825         (final_scan_insn): Likewise.
3827 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3828             Alan Hayward  <alan.hayward@arm.com>
3829             David Sherwood  <david.sherwood@arm.com>
3831         * combine.c (try_combine): Use is_a <scalar_int_mode> when
3832         trying to combine a full-register integer set with a subreg
3833         integer set.
3835 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3836             Alan Hayward  <alan.hayward@arm.com>
3837             David Sherwood  <david.sherwood@arm.com>
3839         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
3840         that is always either address_mode or pointer_mode.
3842 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3843             Alan Hayward  <alan.hayward@arm.com>
3844             David Sherwood  <david.sherwood@arm.com>
3846         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
3847         when the two are known to be equal.
3849 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3850             Alan Hayward  <alan.hayward@arm.com>
3851             David Sherwood  <david.sherwood@arm.com>
3853         * simplify-rtx.c (simplify_const_unary_operation): Use
3854         is_a <scalar_int_mode> instead of checking for a nonzero
3855         precision.  Forcibly convert op_mode to a scalar_int_mode
3856         in that case.  More clearly differentiate the operand and
3857         result modes and use the former when deciding what the value
3858         of a count-bits operation should be.  Use is_int_mode instead
3859         of checking for a MODE_INT.  Remove redundant check for whether
3860         this mode has a zero precision.
3862 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3863             Alan Hayward  <alan.hayward@arm.com>
3864             David Sherwood  <david.sherwood@arm.com>
3866         * optabs.c (widen_leading): Change the type of the mode argument
3867         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
3868         (widen_bswap): Likewise.
3869         (expand_parity): Likewise.
3870         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
3871         (expand_ffs): Likewise.
3872         (epand_unop): Check for scalar integer modes before calling the
3873         above routines.
3875 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3876             Alan Hayward  <alan.hayward@arm.com>
3877             David Sherwood  <david.sherwood@arm.com>
3879         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
3880         Expand commentary.
3881         (expand_expr_real_1): Update call accordingly.
3883 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3884             Alan Hayward  <alan.hayward@arm.com>
3885             David Sherwood  <david.sherwood@arm.com>
3887         * expmed.c (store_bit_field_using_insv): Add op0_mode and
3888         value_mode arguments.  Use scalar_int_mode internally.
3889         (store_bit_field_1): Rename the new integer mode from imode
3890         to op0_mode and use it instead of GET_MODE (op0).  Update calls
3891         to store_split_bit_field, store_bit_field_using_insv and
3892         store_fixed_bit_field.
3893         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
3894         Use scalar_int_mode internally.  Use a bit count rather than a mode
3895         when calculating the largest bit size for get_best_mode.
3896         Update calls to store_split_bit_field and store_fixed_bit_field_1.
3897         (store_fixed_bit_field_1): Add mode and value_mode arguments.
3898         Remove assertion that OP0 has a scalar integer mode.
3899         (store_split_bit_field): Add op0_mode and value_mode arguments.
3900         Update calls to extract_fixed_bit_field.
3901         (extract_bit_field_using_extv): Add an op0_mode argument.
3902         Use scalar_int_mode internally.
3903         (extract_bit_field_1): Rename the new integer mode from imode to
3904         op0_mode and use it instead of GET_MODE (op0).  Update calls to
3905         extract_split_bit_field, extract_bit_field_using_extv and
3906         extract_fixed_bit_field.
3907         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
3908         to extract_split_bit_field and extract_fixed_bit_field_1.
3909         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
3910         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
3911         on the target mode.
3912         (extract_split_bit_field): Add an op0_mode argument.  Update call
3913         to extract_fixed_bit_field.
3915 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3916             Alan Hayward  <alan.hayward@arm.com>
3917             David Sherwood  <david.sherwood@arm.com>
3919         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
3920         * explow.c (hard_function_value): Likewise.
3921         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
3922         convert_to_mode call outside the loop.
3923         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
3924         for the mode iterator.  Require the mode specified by max_pieces
3925         to exist.
3926         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
3927         mode iterator.
3928         (copy_blkmode_to_reg): Likewise.
3929         (set_storage_via_setmem): Likewise.
3930         * optabs.c (prepare_cmp_insn): Likewise.
3931         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3932         * stor-layout.c (finish_bitfield_representative): Likewise.
3934 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3935             Alan Hayward  <alan.hayward@arm.com>
3936             David Sherwood  <david.sherwood@arm.com>
3938         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
3939         * expr.c (convert_move): Use them.
3940         (convert_modes): Likewise.
3941         (store_expr_with_bounds): Likewise.
3943 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3944             Alan Hayward  <alan.hayward@arm.com>
3945             David Sherwood  <david.sherwood@arm.com>
3947         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
3948         parameter for the mode of "x".  Remove the "known_x", "known_mode"
3949         and "known_ret" arguments.  Change the type of the mode argument
3950         to scalar_int_mode.
3951         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
3952         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
3953         (reg_num_sign_bit_copies_for_combine): Likewise.
3954         * rtlanal.c (nonzero_bits1): Likewise.
3955         (num_sign_bit_copies1): Likewise.
3956         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
3957         (reg_num_sign_bit_copies_general): Likewise.
3958         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
3959         (reg_nonzero_bits_general): Likewise.
3961 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3962             Alan Hayward  <alan.hayward@arm.com>
3963             David Sherwood  <david.sherwood@arm.com>
3965         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
3966         than in subroutines.  Return 1 for non-integer modes.
3967         (cached_num_sign_bit_copies): Change the type of the mode parameter
3968         to scalar_int_mode.
3969         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
3970         classes.  Handle CONST_INT_P first and then check whether X also
3971         has a scalar integer mode.  Check the same thing for inner registers
3972         of a SUBREG and for values that are being extended or truncated.
3974 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3975             Alan Hayward  <alan.hayward@arm.com>
3976             David Sherwood  <david.sherwood@arm.com>
3978         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
3979         in subroutines.  Return the mode mask for non-integer modes.
3980         (cached_nonzero_bits): Change the type of the mode parameter
3981         to scalar_int_mode.
3982         (nonzero_bits1): Likewise.  Remove early exit for other mode
3983         classes.  Handle CONST_INT_P first and then check whether X
3984         also has a scalar integer mode.
3986 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3987             Alan Hayward  <alan.hayward@arm.com>
3988             David Sherwood  <david.sherwood@arm.com>
3990         * expr.c (widest_int_mode_for_size): Make the comment match the code.
3991         Return a scalar_int_mode and assert that the size is greater than
3992         one byte.
3993         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
3994         (op_by_pieces_d::op_by_pieces_d): Likewise.
3995         (op_by_pieces_d::run): Likewise.
3996         (can_store_by_pieces): Likewise.
3998 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3999             Alan Hayward  <alan.hayward@arm.com>
4000             David Sherwood  <david.sherwood@arm.com>
4002         * combine.c (extract_left_shift): Add a mode argument and update
4003         recursive calls.
4004         (make_compound_operation_int): Change the type of the mode parameter
4005         to scalar_int_mode and update the call to extract_left_shift.
4007 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4008             Alan Hayward  <alan.hayward@arm.com>
4009             David Sherwood  <david.sherwood@arm.com>
4011         * combine.c (simplify_and_const_int): Change the type of the mode
4012         parameter to scalar_int_mode.
4013         (simplify_and_const_int_1): Likewise.  Update recursive call.
4015 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4016             Alan Hayward  <alan.hayward@arm.com>
4017             David Sherwood  <david.sherwood@arm.com>
4019         * combine.c (simplify_compare_const): Check that the mode is a
4020         scalar_int_mode (rather than VOIDmode) before testing its
4021         precision.
4022         (simplify_comparison): Move COMPARISON_P handling out of the
4023         loop and restrict the latter part of the loop to scalar_int_modes.
4024         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
4025         and when considering SUBREG_REGs.  Use is_int_mode instead of
4026         checking GET_MODE_CLASS against MODE_INT.
4028 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4029             Alan Hayward  <alan.hayward@arm.com>
4030             David Sherwood  <david.sherwood@arm.com>
4032         * combine.c (try_widen_shift_mode): Move check for equal modes to...
4033         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
4034         shift_unit_mode and for modes involved in scalar shifts.
4036 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4037             Alan Hayward  <alan.hayward@arm.com>
4038             David Sherwood  <david.sherwood@arm.com>
4040         * combine.c (force_int_to_mode): New function, split out from...
4041         (force_to_mode): ...here.  Keep xmode up-to-date and use it
4042         instead of GET_MODE (x).
4044 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4045             Alan Hayward  <alan.hayward@arm.com>
4046             David Sherwood  <david.sherwood@arm.com>
4048         * optabs-query.h (extraction_insn::struct_mode): Change type to
4049         opt_scalar_int_mode and update comment.
4050         (extraction_insn::field_mode): Change type to scalar_int_mode.
4051         (extraction_insn::pos_mode): Likewise.
4052         * combine.c (make_extraction): Update accordingly.
4053         * optabs-query.c (get_traditional_extraction_insn): Likewise.
4054         (get_optab_extraction_insn): Likewise.
4055         * recog.c (simplify_while_replacing): Likewise.
4056         * expmed.c (narrow_bit_field_mem): Change the type of the mode
4057         parameter to opt_scalar_int_mode.
4059 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4060             Alan Hayward  <alan.hayward@arm.com>
4061             David Sherwood  <david.sherwood@arm.com>
4063         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
4064         to a scalar_int_mode instead of a machine_mode.
4065         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
4066         (get_best_mode): Return a boolean and use a pointer argument to store
4067         the selected mode.  Replace the limit mode parameter with a bit limit.
4068         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
4069         for the values returned by bit_field_mode_iterator::next_mode.
4070         (store_bit_field): Update call to get_best_mode.
4071         (store_fixed_bit_field): Likewise.
4072         (extract_fixed_bit_field): Likewise.
4073         * expr.c (optimize_bitfield_assignment_op): Likewise.
4074         * fold-const.c (optimize_bit_field_compare): Likewise.
4075         (fold_truth_andor_1): Likewise.
4076         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
4077         Update for new type of m_mode.
4078         (get_best_mode): As above.
4080 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4081             Alan Hayward  <alan.hayward@arm.com>
4082             David Sherwood  <david.sherwood@arm.com>
4084         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
4085         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
4086         (store_bit_field): Check is_a <scalar_int_mode> before calling
4087         strict_volatile_bitfield_p.
4088         (extract_bit_field): Likewise.
4090 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4091             Alan Hayward  <alan.hayward@arm.com>
4092             David Sherwood  <david.sherwood@arm.com>
4094         * target.def (cstore_mode): Return a scalar_int_mode.
4095         * doc/tm.texi: Regenerate.
4096         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
4097         * targhooks.h (default_cstore_mode): Likewise.
4098         * targhooks.c (default_cstore_mode): Likewise, using a forced
4099         conversion.
4100         * expmed.c (emit_cstore): Expect the target of the cstore to be
4101         a scalar_int_mode.
4103 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4104             Alan Hayward  <alan.hayward@arm.com>
4105             David Sherwood  <david.sherwood@arm.com>
4107         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
4108         scalar_int_mode.
4109         (niter_desc): Likewise mode.
4110         (iv_analyze): Add a mode parameter.
4111         (biv_p): Likewise.
4112         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
4113         and change its type to scalar_int_mode.
4114         * loop-iv.c: Update commentary at head of file.
4115         (iv_constant): Pass the mode paraeter before the rtx it describes
4116         and change its type to scalar_int_mode.  Remove VOIDmode handling.
4117         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
4118         (iv_extend): Likewise.
4119         (shorten_into_mode): Likewise.
4120         (iv_add): Use scalar_int_mode.
4121         (iv_mult): Likewise.
4122         (iv_shift): Likewise.
4123         (canonicalize_iv_subregs): Likewise.
4124         (get_biv_step_1): Pass the outer_mode parameter before the rtx
4125         it describes and change its mode to scalar_int_mode.   Also change
4126         the type of the returned inner_mode to scalar_int_mode.
4127         (get_biv_step): Likewise, turning outer_mode from a pointer
4128         into a direct parameter.  Update call to get_biv_step_1.
4129         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
4130         iv_constant and get_biv_step.
4131         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
4132         and change its type to scalar_int_mode.  Don't initialise iv->mode
4133         to VOIDmode and remove later checks for its still being VOIDmode.
4134         Update calls to iv_analyze_op and iv_analyze_expr.  Check
4135         is_a <scalar_int_mode> when changing the mode under consideration.
4136         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
4137         Update call to iv_analyze_expr.
4138         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
4139         inner register is not also a scalar_int_mode.  Update call to
4140         iv_analyze_biv.
4141         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
4142         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
4143         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
4144         separate mode class checks.  Update calls to iv_analyze.  Remove
4145         fix-up of VOIDmodes after iv_analyze_biv.
4146         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
4147         don't have a scalar_int_mode.  Update call to biv_p.
4149 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4150             Alan Hayward  <alan.hayward@arm.com>
4151             David Sherwood  <david.sherwood@arm.com>
4153         * cfgexpand.c (convert_debug_memory_address): Use
4154         as_a <scalar_int_mode>.
4155         * combine.c (expand_compound_operation): Likewise.
4156         (make_extraction): Likewise.
4157         (change_zero_ext): Likewise.
4158         (simplify_comparison): Likewise.
4159         * cse.c (cse_insn): Likewise.
4160         * dwarf2out.c (minmax_loc_descriptor): Likewise.
4161         (mem_loc_descriptor): Likewise.
4162         (loc_descriptor): Likewise.
4163         * expmed.c (init_expmed_one_mode): Likewise.
4164         (synth_mult): Likewise.
4165         (emit_store_flag_1): Likewise.
4166         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
4167         of a comparison with size.
4168         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
4169         (reduce_to_bit_field_precision): Likewise.
4170         * function.c (expand_function_end): Likewise.
4171         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
4172         * loop-doloop.c (doloop_modify): Likewise.
4173         * optabs.c (expand_binop): Likewise.
4174         (expand_unop): Likewise.
4175         (expand_copysign_absneg): Likewise.
4176         (prepare_cmp_insn): Likewise.
4177         (maybe_legitimize_operand): Likewise.
4178         * recog.c (const_scalar_int_operand): Likewise.
4179         * rtlanal.c (get_address_mode): Likewise.
4180         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4181         (simplify_cond_clz_ctz): Likewise.
4182         * tree-nested.c (get_nl_goto_field): Likewise.
4183         * tree.c (build_vector_type_for_mode): Likewise.
4184         * var-tracking.c (use_narrower_mode): Likewise.
4186 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4187             Alan Hayward  <alan.hayward@arm.com>
4188             David Sherwood  <david.sherwood@arm.com>
4190         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
4191         * builtins.c (expand_builtin_signbit): Use it.
4192         * cfgexpand.c (expand_debug_expr): Likewise.
4193         * dojump.c (do_jump): Likewise.
4194         (do_compare_and_jump): Likewise.
4195         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
4196         * expmed.c (make_tree): Likewise.
4197         * expr.c (expand_expr_real_2): Likewise.
4198         (expand_expr_real_1): Likewise.
4199         (try_casesi): Likewise.
4200         * fold-const-call.c (fold_const_call_ss): Likewise.
4201         * fold-const.c (unextend): Likewise.
4202         (extract_muldiv_1): Likewise.
4203         (fold_single_bit_test): Likewise.
4204         (native_encode_int): Likewise.
4205         (native_encode_string): Likewise.
4206         (native_interpret_int): Likewise.
4207         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
4208         * internal-fn.c (expand_addsub_overflow): Likewise.
4209         (expand_neg_overflow): Likewise.
4210         (expand_mul_overflow): Likewise.
4211         (expand_arith_overflow): Likewise.
4212         * match.pd: Likewise.
4213         * stor-layout.c (layout_type): Likewise.
4214         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
4215         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
4216         * tree-ssanames.c (get_range_info): Likewise.
4217         * tree-switch-conversion.c (array_value_type) Likewise.
4218         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
4219         (vect_recog_divmod_pattern): Likewise.
4220         (vect_recog_mixed_size_cond_pattern): Likewise.
4221         * tree-vrp.c (extract_range_basic): Likewise.
4222         (simplify_float_conversion_using_ranges): Likewise.
4223         * tree.c (int_fits_type_p): Likewise.
4224         * ubsan.c (instrument_bool_enum_load): Likewise.
4225         * varasm.c (mergeable_string_section): Likewise.
4226         (narrowing_initializer_constant_valid_p): Likewise.
4227         (output_constant): Likewise.
4229 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4230             Alan Hayward  <alan.hayward@arm.com>
4231             David Sherwood  <david.sherwood@arm.com>
4233         * machmode.h (NARROWEST_INT_MODE): New macro.
4234         * expr.c (alignment_for_piecewise_move): Use it instead of
4235         GET_CLASS_NARROWEST_MODE (MODE_INT).
4236         (push_block): Likewise.
4237         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
4238         Likewise.
4239         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4241 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4242             Alan Hayward  <alan.hayward@arm.com>
4243             David Sherwood  <david.sherwood@arm.com>
4245         * postreload.c (move2add_valid_value_p): Change the type of the
4246         mode parameter to scalar_int_mode.
4247         (move2add_use_add2_insn): Add a mode parameter and use it instead
4248         of GET_MODE (reg).
4249         (move2add_use_add3_insn): Likewise.
4250         (reload_cse_move2add): Update accordingly.
4252 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4253             Alan Hayward  <alan.hayward@arm.com>
4254             David Sherwood  <david.sherwood@arm.com>
4256         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
4257         double-word mode.
4258         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
4259         * optabs.c (expand_unop): Likewise.
4261 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4262             Alan Hayward  <alan.hayward@arm.com>
4263             David Sherwood  <david.sherwood@arm.com>
4265         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
4266         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
4267         (popcount_loc_descriptor): Likewise.
4268         (bswap_loc_descriptor): Likewise.
4269         (rotate_loc_descriptor): Likewise.
4270         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
4271         calling the functions above.
4273 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4274             Alan Hayward  <alan.hayward@arm.com>
4275             David Sherwood  <david.sherwood@arm.com>
4277         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
4278         checks.
4279         (try_combine): Likewise.
4280         (simplify_if_then_else): Likewise.
4281         * cse.c (cse_insn): Likewise.
4282         * dwarf2out.c (mem_loc_descriptor): Likewise.
4283         * emit-rtl.c (gen_lowpart_common): Likewise.
4284         * simplify-rtx.c (simplify_truncation): Likewise.
4285         (simplify_binary_operation_1): Likewise.
4286         (simplify_const_relational_operation): Likewise.
4287         (simplify_ternary_operation): Likewise.
4288         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
4290 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4291             Alan Hayward  <alan.hayward@arm.com>
4292             David Sherwood  <david.sherwood@arm.com>
4294         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
4295         * reload.c (push_reload): Likewise.
4296         (find_reloads): Likewise.
4298 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4299             Alan Hayward  <alan.hayward@arm.com>
4300             David Sherwood  <david.sherwood@arm.com>
4302         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
4303         (make_compound_operation_int): Likewise.
4304         (change_zero_ext): Likewise.
4305         * expr.c (convert_move): Likewise.
4306         (convert_modes): Likewise.
4307         * fwprop.c (forward_propagate_subreg): Likewise.
4308         * loop-iv.c (get_biv_step_1): Likewise.
4309         * optabs.c (widen_operand): Likewise.
4310         * postreload.c (move2add_valid_value_p): Likewise.
4311         * recog.c (simplify_while_replacing): Likewise.
4312         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4313         (simplify_binary_operation_1): Likewise.  Remove redundant
4314         mode equality check.
4316 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4317             Alan Hayward  <alan.hayward@arm.com>
4318             David Sherwood  <david.sherwood@arm.com>
4320         * combine.c (combine_simplify_rtx): Add checks for
4321         is_a <scalar_int_mode>.
4322         (simplify_if_then_else): Likewise.
4323         (make_field_assignment): Likewise.
4324         (simplify_comparison): Likewise.
4325         * ifcvt.c (noce_try_bitop): Likewise.
4326         * loop-invariant.c (canonicalize_address_mult): Likewise.
4327         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4329 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4330             Alan Hayward  <alan.hayward@arm.com>
4331             David Sherwood  <david.sherwood@arm.com>
4333         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
4334         is_a <scalar_int_mode> instead of != BLKmode.
4336 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4337             Alan Hayward  <alan.hayward@arm.com>
4338             David Sherwood  <david.sherwood@arm.com>
4340         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
4341         instead of != VOIDmode.
4342         * combine.c (if_then_else_cond): Likewise.
4343         (change_zero_ext): Likewise.
4344         * dwarf2out.c (mem_loc_descriptor): Likewise.
4345         (loc_descriptor): Likewise.
4346         * rtlanal.c (canonicalize_condition): Likewise.
4347         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
4349 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4350             Alan Hayward  <alan.hayward@arm.com>
4351             David Sherwood  <david.sherwood@arm.com>
4353         * simplify-rtx.c (simplify_binary_operation_1): Use
4354         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
4356 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4357             Alan Hayward  <alan.hayward@arm.com>
4358             David Sherwood  <david.sherwood@arm.com>
4360         * wide-int.h (int_traits<unsigned char>) New class.
4361         (int_traits<unsigned short>) Likewise.
4362         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
4363         Use GET_MODE_UNIT_PRECISION and remove redundant test for
4364         SCALAR_INT_MODE_P.
4365         * combine.c (set_nonzero_bits_and_sign_copies): Use
4366         is_a <scalar_int_mode>.
4367         (find_split_point): Likewise.
4368         (combine_simplify_rtx): Likewise.
4369         (simplify_logical): Likewise.
4370         (expand_compound_operation): Likewise.
4371         (expand_field_assignment): Likewise.
4372         (make_compound_operation): Likewise.
4373         (extended_count): Likewise.
4374         (change_zero_ext): Likewise.
4375         (simplify_comparison): Likewise.
4376         * dwarf2out.c (scompare_loc_descriptor): Likewise.
4377         (ucompare_loc_descriptor): Likewise.
4378         (minmax_loc_descriptor): Likewise.
4379         (mem_loc_descriptor): Likewise.
4380         (loc_descriptor): Likewise.
4381         * expmed.c (init_expmed_one_mode): Likewise.
4382         * lra-constraints.c (lra_constraint_offset): Likewise.
4383         * optabs.c (prepare_libcall_arg): Likewise.
4384         * postreload.c (move2add_note_store): Likewise.
4385         * reload.c (operands_match_p): Likewise.
4386         * rtl.h (load_extend_op): Likewise.
4387         * rtlhooks.c (gen_lowpart_general): Likewise.
4388         * simplify-rtx.c (simplify_truncation): Likewise.
4389         (simplify_unary_operation_1): Likewise.
4390         (simplify_binary_operation_1): Likewise.
4391         (simplify_const_binary_operation): Likewise.
4392         (simplify_const_relational_operation): Likewise.
4393         (simplify_subreg): Likewise.
4394         * stor-layout.c (bitwise_mode_for_mode): Likewise.
4395         * var-tracking.c (adjust_mems): Likewise.
4396         (prepare_call_arguments): Likewise.
4398 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4399             Alan Hayward  <alan.hayward@arm.com>
4400             David Sherwood  <david.sherwood@arm.com>
4402         * machmode.h (is_int_mode): New fuction.
4403         * combine.c (find_split_point): Use it.
4404         (combine_simplify_rtx): Likewise.
4405         (simplify_if_then_else): Likewise.
4406         (simplify_set): Likewise.
4407         (simplify_shift_const_1): Likewise.
4408         (simplify_comparison): Likewise.
4409         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
4410         * cse.c (notreg_cost): Likewise.
4411         (cse_insn): Likewise.
4412         * cselib.c (cselib_lookup_1): Likewise.
4413         * dojump.c (do_jump_1): Likewise.
4414         (do_compare_rtx_and_jump): Likewise.
4415         * dse.c (get_call_args): Likewise.
4416         * dwarf2out.c (rtl_for_decl_init): Likewise.
4417         (native_encode_initializer): Likewise.
4418         * expmed.c (emit_store_flag_1): Likewise.
4419         (emit_store_flag): Likewise.
4420         * expr.c (convert_modes): Likewise.
4421         (store_field): Likewise.
4422         (expand_expr_real_1): Likewise.
4423         * fold-const.c (fold_read_from_constant_string): Likewise.
4424         * gimple-ssa-sprintf.c (get_format_string): Likewise.
4425         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
4426         * optabs.c (expand_binop): Likewise.
4427         (expand_unop): Likewise.
4428         (expand_abs_nojump): Likewise.
4429         (expand_one_cmpl_abs_nojump): Likewise.
4430         * simplify-rtx.c (mode_signbit_p): Likewise.
4431         (val_signbit_p): Likewise.
4432         (val_signbit_known_set_p): Likewise.
4433         (val_signbit_known_clear_p): Likewise.
4434         (simplify_relational_operation_1): Likewise.
4435         * tree.c (vector_type_mode): Likewise.
4437 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4438             Alan Hayward  <alan.hayward@arm.com>
4439             David Sherwood  <david.sherwood@arm.com>
4441         * machmode.h (smallest_mode_for_size): Fix formatting.
4442         (smallest_int_mode_for_size): New function.
4443         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
4444         instead of smallest_mode_for_size.
4445         * combine.c (make_extraction): Likewise.
4446         * config/arc/arc.c (arc_expand_movmem): Likewise.
4447         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
4448         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
4449         * config/s390/s390.c (s390_expand_insv): Likewise.
4450         * config/sparc/sparc.c (assign_int_registers): Likewise.
4451         * config/spu/spu.c (spu_function_value): Likewise.
4452         (spu_function_arg): Likewise.
4453         * coverage.c (get_gcov_type): Likewise.
4454         (get_gcov_unsigned_t): Likewise.
4455         * dse.c (find_shift_sequence): Likewise.
4456         * expmed.c (store_bit_field_1): Likewise.
4457         * expr.c (convert_move): Likewise.
4458         (store_field): Likewise.
4459         * internal-fn.c (expand_arith_overflow): Likewise.
4460         * optabs-query.c (get_best_extraction_insn): Likewise.
4461         * optabs.c (expand_twoval_binop_libfunc): Likewise.
4462         * stor-layout.c (layout_type): Likewise.
4463         (initialize_sizetypes): Likewise.
4464         * targhooks.c (default_get_mask_mode): Likewise.
4465         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
4467 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4468             Alan Hayward  <alan.hayward@arm.com>
4469             David Sherwood  <david.sherwood@arm.com>
4471         * machmode.h (opt_mode::else_blk): New function.
4472         (int_mode_for_mode): Declare.
4473         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
4474         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
4475         return type.
4476         * cfgexpand.c (expand_debug_expr): Likewise.
4477         * combine.c (gen_lowpart_or_truncate): Likewise.
4478         (gen_lowpart_for_combine): Likewise.
4479         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
4480         * config/avr/avr.c (avr_to_int_mode): Likewise.
4481         (avr_out_plus_1): Likewise.
4482         (avr_out_plus): Likewise.
4483         (avr_out_round): Likewise.
4484         * config/i386/i386.c (ix86_split_to_parts): Likewise.
4485         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
4486         (s390_expand_vcond): Likewise.
4487         * config/spu/spu.c (spu_split_immediate): Likewise.
4488         (spu_expand_mov): Likewise.
4489         * dse.c (get_stored_val): Likewise.
4490         * expmed.c (store_bit_field_1): Likewise.
4491         (convert_extracted_bit_field): Use int_mode_for_mode instead of
4492         int_mode_for_size.
4493         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
4494         (extract_low_bits): Likewise.
4495         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
4496         handling rather than repeating the check.
4497         (emit_group_store): Likewise.
4498         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
4499         * optabs.c (expand_absneg_bit): Likewise.
4500         (expand_copysign_absneg): Likewise.
4501         (expand_copysign_bit): Likewise.
4502         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
4503         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
4504         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
4505         * var-tracking.c (prepare_call_arguments):  Likewise.
4506         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
4507         int_mode_for_mode instead of mode_for_size.
4508         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
4510 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4511             Alan Hayward  <alan.hayward@arm.com>
4512             David Sherwood  <david.sherwood@arm.com>
4514         * machmode.h (int_mode_for_size): New function.
4515         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
4516         instead of mode_for_size.
4517         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
4518         explicit.
4519         * combine.c (expand_field_assignment): Use int_mode_for_size
4520         instead of mode_for_size.
4521         (make_extraction): Likewise.
4522         (simplify_shift_const_1): Likewise.
4523         (simplify_comparison): Likewise.
4524         * dojump.c (do_jump): Likewise.
4525         * dwarf2out.c (mem_loc_descriptor): Likewise.
4526         * emit-rtl.c (init_derived_machine_modes): Likewise.
4527         * expmed.c (flip_storage_order): Likewise.
4528         (convert_extracted_bit_field): Likewise.
4529         * expr.c (copy_blkmode_from_reg): Likewise.
4530         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
4531         * internal-fn.c (expand_mul_overflow): Likewise.
4532         * lower-subreg.c (simple_move): Likewise.
4533         * optabs-libfuncs.c (init_optabs): Likewise.
4534         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4535         * tree.c (vector_type_mode): Likewise.
4536         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
4537         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
4538         * tree-vect-generic.c (expand_vector_parallel): Likewise.
4539         * tree-vect-stmts.c (vectorizable_load): Likewise.
4540         (vectorizable_store): Likewise.
4542 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4543             Alan Hayward  <alan.hayward@arm.com>
4544             David Sherwood  <david.sherwood@arm.com>
4546         * coretypes.h (pod_mode): New type.
4547         (scalar_int_mode_pod): New typedef.
4548         * machmode.h (pod_mode): New class.
4549         (int_n_data_t::m): Change type to scalar_int_mode_pod.
4550         * genmodes.c (emit_mode_int_n): Update accordingly.
4551         * lower-subreg.h (target_lower_subreg): Change type to
4552         scalar_int_mode_pod.
4553         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
4554         scalar_int_mode_pod.
4556 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4557             Alan Hayward  <alan.hayward@arm.com>
4558             David Sherwood  <david.sherwood@arm.com>
4560         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
4561         machine_mode to scalar_int_mode.
4562         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
4563         (rs6000_option_override_internal): Remove cast to int.
4564         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
4565         machine_mode to scalar_int_mode.
4566         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
4567         (rs6000_option_override_internal): Remove cast to int.
4568         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
4569         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
4570         to machine_mode.
4571         * config/s390/s390.c (s390_expand_builtin): Likewise.
4572         * coretypes.h (scalar_int_mode): New type.
4573         (opt_scalar_int_mode): New typedef.
4574         * machmode.h (scalar_int_mode): New class.
4575         (scalar_int_mode::includes_p): New function.
4576         (byte_mode): Change type to scalar_int_mode.
4577         (word_mode): Likewise.
4578         (ptr_mode): Likewise.
4579         * emit-rtl.c (byte_mode): Likewise.
4580         (word_mode): Likewise.
4581         (ptr_mode): Likewise.
4582         (init_derived_machine_modes): Update accordingly.
4583         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
4584         and MODE_PARTIAL_INT.
4585         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
4586         opt_scalar_int_mode.
4588 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4589             Alan Hayward  <alan.hayward@arm.com>
4590             David Sherwood  <david.sherwood@arm.com>
4592         * target.def (libgcc_floating_mode_supported_p): Take a
4593         scalar_float_mode.
4594         * doc/tm.texi: Regenerate.
4595         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
4596         scalar_float_mode.
4597         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4598         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
4599         Likewise.
4601 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4602             Alan Hayward  <alan.hayward@arm.com>
4603             David Sherwood  <david.sherwood@arm.com>
4605         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
4606         * doc/tm.texi: Regenerate.
4607         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
4608         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
4609         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
4610         * targhooks.h (default_floatn_mode): Likewise.
4611         * targhooks.c (default_floatn_mode): Likewise.
4612         * tree.c (build_common_tree_nodes): Update accordingly.
4614 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4615             Alan Hayward  <alan.hayward@arm.com>
4616             David Sherwood  <david.sherwood@arm.com>
4618         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
4619         (mode_iterator::iterate_p): Likewise.
4620         (mode_iterator::get_wider): Likewise.
4621         * expr.c (init_expr_target): Use opt_scalar_float_mode.
4623 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4624             Alan Hayward  <alan.hayward@arm.com>
4625             David Sherwood  <david.sherwood@arm.com>
4627         * coretypes.h (opt_scalar_float_mode): New typedef.
4628         * machmode.h (float_mode_for_size): New function.
4629         * emit-rtl.c (double_mode): Delete.
4630         (init_emit_once): Use float_mode_for_size.
4631         * stor-layout.c (layout_type): Likewise.
4632         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
4634 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4635             Alan Hayward  <alan.hayward@arm.com>
4636             David Sherwood  <david.sherwood@arm.com>
4638         * output.h (assemble_real): Take a scalar_float_mode.
4639         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
4640         * config/arm/arm.md (consttable_4): Likewise.
4641         (consttable_8): Likewise.
4642         (consttable_16): Likewise.
4643         * config/mips/mips.md (consttable_float): Likewise.
4644         * config/s390/s390.c (s390_output_pool_entry): Likewise.
4645         * varasm.c (assemble_real): Take a scalar_float_mode.
4646         (output_constant_pool_2): Update accordingly.
4647         (output_constant): Likewise.
4649 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4650             Alan Hayward  <alan.hayward@arm.com>
4651             David Sherwood  <david.sherwood@arm.com>
4653         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
4654         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
4655         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
4656         (native_encode_real): Likewise.
4657         (native_interpret_real): Likewise.
4658         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
4659         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4661 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4662             Alan Hayward  <alan.hayward@arm.com>
4663             David Sherwood  <david.sherwood@arm.com>
4665         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
4666         <scalar_float_mode>.  Simplify.
4667         (gen_extend_conv_libfunc): Likewise.
4669 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4670             Alan Hayward  <alan.hayward@arm.com>
4671             David Sherwood  <david.sherwood@arm.com>
4673         * coretypes.h (scalar_float_mode): New type.
4674         * machmode.h (mode_traits::from_int): Use machine_mode if
4675         USE_ENUM_MODES is defined.
4676         (is_a): New function.
4677         (as_a): Likewise.
4678         (dyn_cast): Likewise.
4679         (scalar_float_mode): New class.
4680         (scalar_float_mode::includes_p): New function.
4681         (is_float_mode): Likewise.
4682         * gdbhooks.py (MachineModePrinter): New class.
4683         (build_pretty_printer): Use it for scalar_float_mode.
4684         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
4685         (format_helper::format_helper): Turn into a template.
4686         * genmodes.c (get_mode_class): New function.
4687         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
4688         or machine_mode if none.
4689         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
4690         as_a <scalar_float_mode>.
4691         * dwarf2out.c (mem_loc_descriptor): Likewise.
4692         (insert_float): Likewise.
4693         (add_const_value_attribute): Likewise.
4694         * simplify-rtx.c (simplify_immed_subreg): Likewise.
4695         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
4696         (expand_unop): Update accordingly.
4697         (expand_abs_nojump): Likewise.
4698         (expand_copysign_absneg): Take a scalar_float_mode.
4699         (expand_copysign_bit): Likewise.
4700         (expand_copysign): Update accordingly.
4702 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4703             Alan Hayward  <alan.hayward@arm.com>
4704             David Sherwood  <david.sherwood@arm.com>
4706         * coretypes.h (opt_mode): New class.
4707         * machmode.h (opt_mode): Likewise.
4708         (opt_mode::else_void): New function.
4709         (opt_mode::require): Likewise.
4710         (opt_mode::exists): Likewise.
4711         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
4712         (GET_MODE_2XWIDER_MODE): Likewise.
4713         (mode_iterator::get_wider): Update accordingly.
4714         (mode_iterator::get_2xwider): Likewise.
4715         (mode_iterator::get_known_wider): Likewise, turning into a template.
4716         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
4717         forcing a wider mode to exist.
4718         * config/cr16/cr16.h (LONG_REG_P): Likewise.
4719         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
4720         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
4721         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
4722         * lower-subreg.c (init_lower_subreg): Likewise.
4723         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
4724         on the final iteration.
4725         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
4726         a wider mode exists before asking for a move pattern.
4727         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
4728         forcing a wider mode to exist.
4729         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
4730         returning false if no such mode exists.
4731         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
4732         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
4733         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
4734         Avoid checking for a MODE_INT if we already know the mode is not a
4735         SCALAR_INT_MODE_P.
4736         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
4737         forcing a wider mode to exist.
4738         (expmed_mult_highpart_optab): Likewise.
4739         (expmed_mult_highpart): Likewise.
4740         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
4741         using else_void.
4742         * lto-streamer-in.c (lto_input_mode_table): Likewise.
4743         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
4744         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
4745         * internal-fn.c (expand_mul_overflow): Update use of
4746         GET_MODE_2XWIDER_MODE.
4747         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4748         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
4749         GET_MODE_WIDER_MODE.
4750         (convert_plusminus_to_widen): Likewise.
4751         * tree-switch-conversion.c (array_value_type): Likewise.
4752         * var-tracking.c (emit_note_insn_var_location): Likewise.
4753         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4754         Return false inside rather than outside the loop if no wider mode
4755         exists
4756         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
4757         and GET_MODE_2XWIDER_MODE
4758         (can_compare_p): Use else_void.
4759         * gdbhooks.py (OptMachineModePrinter): New class.
4760         (build_pretty_printer): Use it for opt_mode.
4762 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4763             Alan Hayward  <alan.hayward@arm.com>
4764             David Sherwood  <david.sherwood@arm.com>
4766         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
4767         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
4769 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4770             Alan Hayward  <alan.hayward@arm.com>
4771             David Sherwood  <david.sherwood@arm.com>
4773         * machmode.h (mode_traits): New structure.
4774         (get_narrowest_mode): New function.
4775         (mode_iterator::start): Likewise.
4776         (mode_iterator::iterate_p): Likewise.
4777         (mode_iterator::get_wider): Likewise.
4778         (mode_iterator::get_known_wider): Likewise.
4779         (mode_iterator::get_2xwider): Likewise.
4780         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
4781         (FOR_EACH_MODE): Likewise.
4782         (FOR_EACH_MODE_FROM): Likewise.
4783         (FOR_EACH_MODE_UNTIL): Likewise.
4784         (FOR_EACH_WIDER_MODE): Likewise.
4785         (FOR_EACH_2XWIDER_MODE): Likewise.
4786         * builtins.c (expand_builtin_strlen): Use new mode iterators.
4787         * combine.c (simplify_comparison): Likewise
4788         * config/i386/i386.c (type_natural_mode): Likewise.
4789         * cse.c (cse_insn): Likewise.
4790         * dse.c (find_shift_sequence): Likewise.
4791         * emit-rtl.c (init_derived_machine_modes): Likewise.
4792         (init_emit_once): Likewise.
4793         * explow.c (hard_function_value): Likewise.
4794         * expmed.c (extract_fixed_bit_field_1): Likewise.
4795         (extract_bit_field_1): Likewise.
4796         (expand_divmod): Likewise.
4797         (emit_store_flag_1): Likewise.
4798         * expr.c (init_expr_target): Likewise.
4799         (convert_move): Likewise.
4800         (alignment_for_piecewise_move): Likewise.
4801         (widest_int_mode_for_size): Likewise.
4802         (emit_block_move_via_movmem): Likewise.
4803         (copy_blkmode_to_reg): Likewise.
4804         (set_storage_via_setmem): Likewise.
4805         (compress_float_constant): Likewise.
4806         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4807         * optabs-query.c (get_best_extraction_insn): Likewise.
4808         * optabs.c (expand_binop): Likewise.
4809         (expand_twoval_unop): Likewise.
4810         (expand_twoval_binop): Likewise.
4811         (widen_leading): Likewise.
4812         (widen_bswap): Likewise.
4813         (expand_parity): Likewise.
4814         (expand_unop): Likewise.
4815         (prepare_cmp_insn): Likewise.
4816         (prepare_float_lib_cmp): Likewise.
4817         (expand_float): Likewise.
4818         (expand_fix): Likewise.
4819         (expand_sfix_optab): Likewise.
4820         * postreload.c (move2add_use_add2_insn): Likewise.
4821         * reg-stack.c (reg_to_stack): Likewise.
4822         * reginfo.c (choose_hard_reg_mode): Likewise.
4823         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
4824         * stor-layout.c (mode_for_size): Likewise.
4825         (smallest_mode_for_size): Likewise.
4826         (mode_for_vector): Likewise.
4827         (finish_bitfield_representative): Likewise.
4828         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
4829         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
4830         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4831         * var-tracking.c (prepare_call_arguments): Likewise.
4833 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4834             Alan Hayward  <alan.hayward@arm.com>
4835             David Sherwood  <david.sherwood@arm.com>
4837         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
4838         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
4839         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
4840         * machmode.h (mode_size): Move earlier in file.
4841         (mode_precision): Likewise.
4842         (mode_inner): Likewise.
4843         (mode_nunits): Likewise.
4844         (mode_unit_size): Likewise.
4845         (unit_unit_precision): Likewise.
4846         (mode_wider): Likewise.
4847         (mode_2xwider): Likewise.
4848         (machine_mode): New class.
4849         (mode_to_bytes): New function.
4850         (mode_to_bits): Likewise.
4851         (mode_to_precision): Likewise.
4852         (mode_to_inner): Likewise.
4853         (mode_to_unit_size): Likewise.
4854         (mode_to_unit_precision): Likewise.
4855         (mode_to_nunits): Likewise.
4856         (GET_MODE_SIZE): Use mode_to_bytes.
4857         (GET_MODE_BITSIZE): Use mode_to_bits.
4858         (GET_MODE_PRECISION): Use mode_to_precision.
4859         (GET_MODE_INNER): Use mode_to_inner.
4860         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
4861         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
4862         (GET_MODE_NUNITS): Use mode_to_nunits.
4863         * system.h (ALWAYS_INLINE): New macro.
4864         * config/powerpcspe/powerpcspe-c.c
4865         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
4866         int for arg1_mode and arg2_mode.
4868 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4869             Alan Hayward  <alan.hayward@arm.com>
4870             David Sherwood  <david.sherwood@arm.com>
4872         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
4873         Prefix mode names with E_ in case statements.
4874         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4875         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
4876         (aarch64_split_simd_move): Likewise.
4877         (aarch64_gen_storewb_pair): Likewise.
4878         (aarch64_gen_loadwb_pair): Likewise.
4879         (aarch64_gen_store_pair): Likewise.
4880         (aarch64_gen_load_pair): Likewise.
4881         (aarch64_get_condition_code_1): Likewise.
4882         (aarch64_constant_pool_reload_icode): Likewise.
4883         (get_rsqrte_type): Likewise.
4884         (get_rsqrts_type): Likewise.
4885         (get_recpe_type): Likewise.
4886         (get_recps_type): Likewise.
4887         (aarch64_gimplify_va_arg_expr): Likewise.
4888         (aarch64_simd_container_mode): Likewise.
4889         (aarch64_emit_load_exclusive): Likewise.
4890         (aarch64_emit_store_exclusive): Likewise.
4891         (aarch64_expand_compare_and_swap): Likewise.
4892         (aarch64_gen_atomic_cas): Likewise.
4893         (aarch64_emit_bic): Likewise.
4894         (aarch64_emit_atomic_swap): Likewise.
4895         (aarch64_emit_atomic_load_op): Likewise.
4896         (aarch64_evpc_trn): Likewise.
4897         (aarch64_evpc_uzp): Likewise.
4898         (aarch64_evpc_zip): Likewise.
4899         (aarch64_evpc_ext): Likewise.
4900         (aarch64_evpc_rev): Likewise.
4901         (aarch64_evpc_dup): Likewise.
4902         (aarch64_gen_ccmp_first): Likewise.
4903         (aarch64_gen_ccmp_next): Likewise.
4904         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
4905         (alpha_emit_xfloating_libcall): Likewise.
4906         (emit_insxl): Likewise.
4907         (alpha_arg_type): Likewise.
4908         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
4909         (arc_preferred_simd_mode): Likewise.
4910         (arc_secondary_reload): Likewise.
4911         (get_arc_condition_code): Likewise.
4912         (arc_print_operand): Likewise.
4913         (arc_legitimate_constant_p): Likewise.
4914         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4915         * config/arc/arc.md (casesi_load): Likewise.
4916         (casesi_compact_jump): Likewise.
4917         * config/arc/predicates.md (proper_comparison_operator): Likewise.
4918         (cc_use_register): Likewise.
4919         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4920         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
4921         (arm_init_iwmmxt_builtins): Likewise.
4922         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
4923         (neon_expand_vector_init): Likewise.
4924         (arm_attr_length_move_neon): Likewise.
4925         (maybe_get_arm_condition_code): Likewise.
4926         (arm_emit_vector_const): Likewise.
4927         (arm_preferred_simd_mode): Likewise.
4928         (arm_output_iwmmxt_tinsr): Likewise.
4929         (thumb1_output_casesi): Likewise.
4930         (thumb2_output_casesi): Likewise.
4931         (arm_emit_load_exclusive): Likewise.
4932         (arm_emit_store_exclusive): Likewise.
4933         (arm_expand_compare_and_swap): Likewise.
4934         (arm_evpc_neon_vuzp): Likewise.
4935         (arm_evpc_neon_vzip): Likewise.
4936         (arm_evpc_neon_vrev): Likewise.
4937         (arm_evpc_neon_vtrn): Likewise.
4938         (arm_evpc_neon_vext): Likewise.
4939         (arm_validize_comparison): Likewise.
4940         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
4941         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
4942         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
4943         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
4944         (c6x_preferred_simd_mode): Likewise.
4945         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
4946         (epiphany_rtx_costs): Likewise.
4947         * config/epiphany/predicates.md (proper_comparison_operator):
4948         Likewise.
4949         * config/frv/frv.c (condexec_memory_operand): Likewise.
4950         (frv_emit_move): Likewise.
4951         (output_move_single): Likewise.
4952         (output_condmove_single): Likewise.
4953         (frv_hard_regno_mode_ok): Likewise.
4954         (frv_matching_accg_mode): Likewise.
4955         * config/h8300/h8300.c (split_adds_subs): Likewise.
4956         (h8300_rtx_costs): Likewise.
4957         (h8300_print_operand): Likewise.
4958         (compute_mov_length): Likewise.
4959         (output_logical_op): Likewise.
4960         (compute_logical_op_length): Likewise.
4961         (compute_logical_op_cc): Likewise.
4962         (h8300_shift_needs_scratch_p): Likewise.
4963         (output_a_shift): Likewise.
4964         (compute_a_shift_length): Likewise.
4965         (compute_a_shift_cc): Likewise.
4966         (expand_a_rotate): Likewise.
4967         (output_a_rotate): Likewise.
4968         * config/i386/i386.c (classify_argument): Likewise.
4969         (function_arg_advance_32): Likewise.
4970         (function_arg_32): Likewise.
4971         (function_arg_64): Likewise.
4972         (function_value_64): Likewise.
4973         (ix86_gimplify_va_arg): Likewise.
4974         (ix86_legitimate_constant_p): Likewise.
4975         (put_condition_code): Likewise.
4976         (split_double_mode): Likewise.
4977         (ix86_avx256_split_vector_move_misalign): Likewise.
4978         (ix86_expand_vector_logical_operator): Likewise.
4979         (ix86_split_idivmod): Likewise.
4980         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
4981         (ix86_build_const_vector): Likewise.
4982         (ix86_build_signbit_mask): Likewise.
4983         (ix86_match_ccmode): Likewise.
4984         (ix86_cc_modes_compatible): Likewise.
4985         (ix86_expand_branch): Likewise.
4986         (ix86_expand_sse_cmp): Likewise.
4987         (ix86_expand_sse_movcc): Likewise.
4988         (ix86_expand_int_sse_cmp): Likewise.
4989         (ix86_expand_vec_perm_vpermi2): Likewise.
4990         (ix86_expand_vec_perm): Likewise.
4991         (ix86_expand_sse_unpack): Likewise.
4992         (ix86_expand_int_addcc): Likewise.
4993         (ix86_split_to_parts): Likewise.
4994         (ix86_vectorize_builtin_gather): Likewise.
4995         (ix86_vectorize_builtin_scatter): Likewise.
4996         (avx_vpermilp_parallel): Likewise.
4997         (inline_memory_move_cost): Likewise.
4998         (ix86_tieable_integer_mode_p): Likewise.
4999         (x86_maybe_negate_const_int): Likewise.
5000         (ix86_expand_vector_init_duplicate): Likewise.
5001         (ix86_expand_vector_init_one_nonzero): Likewise.
5002         (ix86_expand_vector_init_one_var): Likewise.
5003         (ix86_expand_vector_init_concat): Likewise.
5004         (ix86_expand_vector_init_interleave): Likewise.
5005         (ix86_expand_vector_init_general): Likewise.
5006         (ix86_expand_vector_set): Likewise.
5007         (ix86_expand_vector_extract): Likewise.
5008         (emit_reduc_half): Likewise.
5009         (ix86_emit_i387_round): Likewise.
5010         (ix86_mangle_type): Likewise.
5011         (ix86_expand_round_sse4): Likewise.
5012         (expand_vec_perm_blend): Likewise.
5013         (canonicalize_vector_int_perm): Likewise.
5014         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
5015         (expand_vec_perm_1): Likewise.
5016         (expand_vec_perm_interleave3): Likewise.
5017         (expand_vec_perm_even_odd_pack): Likewise.
5018         (expand_vec_perm_even_odd_1): Likewise.
5019         (expand_vec_perm_broadcast_1): Likewise.
5020         (ix86_vectorize_vec_perm_const_ok): Likewise.
5021         (ix86_expand_vecop_qihi): Likewise.
5022         (ix86_expand_mul_widen_hilo): Likewise.
5023         (ix86_expand_sse2_abs): Likewise.
5024         (ix86_expand_pextr): Likewise.
5025         (ix86_expand_pinsr): Likewise.
5026         (ix86_preferred_simd_mode): Likewise.
5027         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
5028         * config/i386/sse.md (*andnot<mode>3): Likewise.
5029         (<mask_codefor><code><mode>3<mask_name>): Likewise.
5030         (*<code><mode>3): Likewise.
5031         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
5032         (ia64_expand_atomic_op): Likewise.
5033         (ia64_arg_type): Likewise.
5034         (ia64_mode_to_int): Likewise.
5035         (ia64_scalar_mode_supported_p): Likewise.
5036         (ia64_vector_mode_supported_p): Likewise.
5037         (expand_vec_perm_broadcast): Likewise.
5038         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
5039         (iq2000_function_arg_advance): Likewise.
5040         (iq2000_function_arg): Likewise.
5041         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
5042         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
5043         (m68k_libcall_value): Likewise.
5044         (m68k_function_value): Likewise.
5045         (sched_attr_op_type): Likewise.
5046         * config/mcore/mcore.c (mcore_output_move): Likewise.
5047         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
5048         Likewise.
5049         (microblaze_function_arg): Likewise.
5050         * config/mips/mips.c (mips16_build_call_stub): Likewise.
5051         (mips_print_operand): Likewise.
5052         (mips_mode_ok_for_mov_fmt_p): Likewise.
5053         (mips_vector_mode_supported_p): Likewise.
5054         (mips_preferred_simd_mode): Likewise.
5055         (mips_expand_vpc_loongson_even_odd): Likewise.
5056         (mips_expand_vec_unpack): Likewise.
5057         (mips_expand_vi_broadcast): Likewise.
5058         (mips_expand_vector_init): Likewise.
5059         (mips_expand_vec_reduc): Likewise.
5060         (mips_expand_msa_cmp): Likewise.
5061         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
5062         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
5063         (cc_flags_for_mode): Likewise.
5064         * config/msp430/msp430.c (msp430_print_operand): Likewise.
5065         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
5066         (nds32_output_casesi_pc_relative): Likewise.
5067         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
5068         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
5069         (nvptx_gen_unpack): Likewise.
5070         (nvptx_gen_pack): Likewise.
5071         (nvptx_gen_shuffle): Likewise.
5072         (nvptx_gen_wcast): Likewise.
5073         (nvptx_preferred_simd_mode): Likewise.
5074         * config/pa/pa.c (pa_secondary_reload): Likewise.
5075         * config/pa/predicates.md (base14_operand): Likewise.
5076         * config/powerpcspe/powerpcspe-c.c
5077         (altivec_resolve_overloaded_builtin): Likewise.
5078         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
5079         Likewise.
5080         (rs6000_preferred_simd_mode): Likewise.
5081         (output_vec_const_move): Likewise.
5082         (rs6000_expand_vector_extract): Likewise.
5083         (rs6000_split_vec_extract_var): Likewise.
5084         (reg_offset_addressing_ok_p): Likewise.
5085         (rs6000_legitimate_offset_address_p): Likewise.
5086         (rs6000_legitimize_address): Likewise.
5087         (rs6000_emit_set_const): Likewise.
5088         (rs6000_const_vec): Likewise.
5089         (rs6000_emit_move): Likewise.
5090         (spe_build_register_parallel): Likewise.
5091         (rs6000_darwin64_record_arg_recurse): Likewise.
5092         (swap_selector_for_mode): Likewise.
5093         (spe_init_builtins): Likewise.
5094         (paired_init_builtins): Likewise.
5095         (altivec_init_builtins): Likewise.
5096         (do_load_for_compare): Likewise.
5097         (rs6000_generate_compare): Likewise.
5098         (rs6000_expand_float128_convert): Likewise.
5099         (emit_load_locked): Likewise.
5100         (emit_store_conditional): Likewise.
5101         (rs6000_output_function_epilogue): Likewise.
5102         (rs6000_handle_altivec_attribute): Likewise.
5103         (rs6000_function_value): Likewise.
5104         (emit_fusion_gpr_load): Likewise.
5105         (emit_fusion_p9_load): Likewise.
5106         (emit_fusion_p9_store): Likewise.
5107         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
5108         (fusion_gpr_mem_load): Likewise.
5109         (fusion_addis_mem_combo_load): Likewise.
5110         (fusion_addis_mem_combo_store): Likewise.
5111         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5112         (fusion_gpr_mem_load): Likewise.
5113         (fusion_addis_mem_combo_load): Likewise.
5114         (fusion_addis_mem_combo_store): Likewise.
5115         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5116         Likewise.
5117         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
5118         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
5119         (rs6000_preferred_simd_mode): Likewise.
5120         (output_vec_const_move): Likewise.
5121         (rs6000_expand_vector_extract): Likewise.
5122         (rs6000_split_vec_extract_var): Likewise.
5123         (reg_offset_addressing_ok_p): Likewise.
5124         (rs6000_legitimate_offset_address_p): Likewise.
5125         (rs6000_legitimize_address): Likewise.
5126         (rs6000_emit_set_const): Likewise.
5127         (rs6000_const_vec): Likewise.
5128         (rs6000_emit_move): Likewise.
5129         (rs6000_darwin64_record_arg_recurse): Likewise.
5130         (swap_selector_for_mode): Likewise.
5131         (paired_init_builtins): Likewise.
5132         (altivec_init_builtins): Likewise.
5133         (rs6000_expand_float128_convert): Likewise.
5134         (emit_load_locked): Likewise.
5135         (emit_store_conditional): Likewise.
5136         (rs6000_output_function_epilogue): Likewise.
5137         (rs6000_handle_altivec_attribute): Likewise.
5138         (rs6000_function_value): Likewise.
5139         (emit_fusion_gpr_load): Likewise.
5140         (emit_fusion_p9_load): Likewise.
5141         (emit_fusion_p9_store): Likewise.
5142         * config/rx/rx.c (rx_gen_move_template): Likewise.
5143         (flags_from_mode): Likewise.
5144         * config/s390/predicates.md (s390_alc_comparison): Likewise.
5145         (s390_slb_comparison): Likewise.
5146         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
5147         (s390_vector_mode_supported_p): Likewise.
5148         (s390_cc_modes_compatible): Likewise.
5149         (s390_match_ccmode_set): Likewise.
5150         (s390_canonicalize_comparison): Likewise.
5151         (s390_emit_compare_and_swap): Likewise.
5152         (s390_branch_condition_mask): Likewise.
5153         (s390_rtx_costs): Likewise.
5154         (s390_secondary_reload): Likewise.
5155         (__SECONDARY_RELOAD_CASE): Likewise.
5156         (s390_expand_cs): Likewise.
5157         (s390_preferred_simd_mode): Likewise.
5158         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
5159         * config/sh/sh.c (sh_print_operand): Likewise.
5160         (dump_table): Likewise.
5161         (sh_secondary_reload): Likewise.
5162         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
5163         * config/sh/sh.md (casesi_worker_1): Likewise.
5164         (casesi_worker_2): Likewise.
5165         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
5166         (fcc_comparison_operator): Likewise.
5167         * config/sparc/sparc.c (sparc_expand_move): Likewise.
5168         (emit_soft_tfmode_cvt): Likewise.
5169         (sparc_preferred_simd_mode): Likewise.
5170         (output_cbranch): Likewise.
5171         (sparc_print_operand): Likewise.
5172         (sparc_expand_vec_perm_bmask): Likewise.
5173         (vector_init_bshuffle): Likewise.
5174         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
5175         (spu_vector_mode_supported_p): Likewise.
5176         (spu_expand_insv): Likewise.
5177         (spu_emit_branch_or_set): Likewise.
5178         (spu_handle_vector_attribute): Likewise.
5179         (spu_builtin_splats): Likewise.
5180         (spu_builtin_extract): Likewise.
5181         (spu_builtin_promote): Likewise.
5182         (spu_expand_sign_extend): Likewise.
5183         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
5184         (tilegx_simd_int): Likewise.
5185         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
5186         (tilepro_simd_int): Likewise.
5187         * config/v850/v850.c (const_double_split): Likewise.
5188         (v850_print_operand): Likewise.
5189         (ep_memory_offset): Likewise.
5190         * config/vax/vax.c (vax_rtx_costs): Likewise.
5191         (vax_output_int_move): Likewise.
5192         (vax_output_int_add): Likewise.
5193         (vax_output_int_subtract): Likewise.
5194         * config/visium/predicates.md (visium_branch_operator): Likewise.
5195         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
5196         (visium_print_operand_address): Likewise.
5197         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
5198         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
5199         (xtensa_expand_conditional_branch): Likewise.
5200         (xtensa_copy_incoming_a7): Likewise.
5201         (xtensa_output_literal): Likewise.
5202         * dfp.c (decimal_real_maxval): Likewise.
5203         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
5205 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5206             Alan Hayward  <alan.hayward@arm.com>
5207             David Sherwood  <david.sherwood@arm.com>
5209         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
5210         (mode_nunits_inline): Likewise.
5211         (mode_inner_inline): Likewise.
5212         (mode_unit_size_inline): Likewise.
5213         (mode_unit_precision_inline): Likewise.
5214         (emit_insn_modes_h): Likewise.  Also emit a #define of the
5215         unprefixed name.
5216         (emit_mode_wider): Add an E_ prefix to mode names.
5217         (emit_mode_complex): Likewise.
5218         (emit_mode_inner): Likewise.
5219         (emit_mode_adjustments): Likewise.
5220         (emit_mode_int_n): Likewise.
5221         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
5222         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
5223         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
5224         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
5225         (CRC32_BUILTIN, ENTRY): Likewise.
5226         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
5227         (aarch64_pop_regs): Likewise.
5228         (aarch64_process_components): Likewise.
5229         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
5230         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
5231         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
5232         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
5233         * config/arm/arm.c (arm_init_libfuncs): Likewise.
5234         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
5235         Likewise.
5236         * config/i386/i386-builtin.def (pcmpestr): Likewise.
5237         (pcmpistr): Likewise.
5238         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
5239         * config/mmix/mmix.c (mmix_output_condition): Likewise.
5240         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
5241         Likewise.
5242         * config/rl78/rl78.c (mduc_regs): Likewise.
5243         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
5244         (htm_expand_builtin): Likewise.
5245         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
5246         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
5247         * config/xtensa/xtensa.c (print_operand): Likewise.
5248         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
5249         (NUM_MODE_VECTOR_INT): Likewise.
5250         * genoutput.c (null_operand): Likewise.
5251         (output_operand_data): Likewise.
5252         * genrecog.c (print_parameter_value): Likewise.
5253         * lra.c (debug_operand_data): Likewise.
5255 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5257         * dwarf2out.c (scompare_loc_descriptor_wide)
5258         (scompare_loc_descriptor_narrow): New functions, split out from...
5259         (scompare_loc_descriptor): ...here.
5260         * expmed.c (emit_store_flag_int): New function, split out from...
5261         (emit_store_flag): ...here.
5263 2017-08-30  Richard Biener  <rguenther@suse.de>
5265         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
5266         (dwarf2out_early_finish): Move setting of AT_pubnames from
5267         early debug output to early finish.
5269 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
5271         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
5272         and -mdata-region to the assembler.
5274 2017-08-30  Richard Biener  <rguenther@suse.de>
5276         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
5277         attributes.
5278         (gen_subprogram_die): Add DW_AT_object_pointer only early.
5279         (dwarf2out_early_global_decl): Only generate a DIE for the
5280         abstract origin if it doesn't already exist or is a declaration DIE.
5281         (resolve_addr): Do not add the linkage name twice when
5282         generating a stub DIE for the DW_TAG_GNU_call_site target.
5284 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5286         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5287         Use machine_mode rather than int for arg1_mode.
5289 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
5291         PR target/82015
5292         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
5293         that the second argument of the built-in functions to unpack
5294         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
5295         switch statement instead a lot of if statements.
5296         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
5297         Allow 64-bit values to be in Altivec registers as well as
5298         traditional floating point registers.
5299         (pack<mode>, FMOVE128_VSX iterator): Likewise.
5301 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
5303         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
5304         MAX_REGS_PER_ADDRESS == 1.
5306 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
5308         * config/i386/i386.opt (flag_fentry): Do not init to -1.
5309         * config/i386/i386.c (ix86_option_override_internal): Simplify
5310         setting of opts->x_flag_entry.
5312 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5313             Jakub Jelinek  <jakub@redhat.com>
5314             Richard Biener  <rguenther@suse.de>
5316         PR tree-optimization/81503
5317         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
5318         folded constant fits in the target type; reorder tests for clarity.
5320 2017-08-29  Martin Liska  <mliska@suse.cz>
5322         * passes.def: Include pass_lower_switch.
5323         * stmt.c (dump_case_nodes): Remove and move to
5324         tree-switch-conversion.
5325         (case_values_threshold): Likewise.
5326         (expand_switch_as_decision_tree_p): Likewise.
5327         (emit_case_decision_tree): Likewise.
5328         (expand_case): Likewise.
5329         (balance_case_nodes): Likewise.
5330         (node_has_low_bound): Likewise.
5331         (node_has_high_bound): Likewise.
5332         (node_is_bounded): Likewise.
5333         (emit_case_nodes): Likewise.
5334         (struct simple_case_node): New struct.
5335         (add_case_node): Remove.
5336         (emit_case_dispatch_table): Use vector instead of case_list.
5337         (reset_out_edges_aux): Remove.
5338         (compute_cases_per_edge): Likewise.
5339         (expand_case): Build list of simple_case_node.
5340         (expand_sjlj_dispatch_table): Use it.
5341         * tree-switch-conversion.c (struct case_node): Moved from
5342         stmt.c and adjusted.
5343         (emit_case_nodes): Likewise.
5344         (node_has_low_bound): Likewise.
5345         (node_has_high_bound): Likewise.
5346         (node_is_bounded): Likewise.
5347         (case_values_threshold): Likewise.
5348         (reset_out_edges_aux): Likewise.
5349         (compute_cases_per_edge): Likewise.
5350         (add_case_node): Likewise.
5351         (dump_case_nodes): Likewise.
5352         (balance_case_nodes): Likewise.
5353         (expand_switch_as_decision_tree_p): Likewise.
5354         (emit_jump): Likewise.
5355         (emit_case_decision_tree): Likewise.
5356         (try_switch_expansion): Likewise.
5357         (do_jump_if_equal): Likewise.
5358         (emit_cmp_and_jump_insns): Likewise.
5359         (fix_phi_operands_for_edge): New function.
5360         (record_phi_operand_mapping): Likewise.
5361         (class pass_lower_switch): New pass.
5362         (pass_lower_switch::execute): New function.
5363         (make_pass_lower_switch): Likewise.
5364         (conditional_probability):
5365         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
5366         * tree-pass.h: Add make_pass_lower_switch.
5368 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
5370         PR target/80993
5371         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
5372         handlers as used.
5374 2017-08-29  Richard Biener  <rguenther@suse.de>
5376         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
5377         we do not add a DW_AT_inline attribute twice.
5378         (gen_subprogram_die): Remove code setting DW_AT_inline on
5379         DECL_ABSTRACT_P nodes.
5381 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
5383         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
5384         calls to internal functions.
5385         (gimplify_modify_expr): Likewise.
5386         * tree-call-cdce.c (use_internal_fn): Likewise.
5387         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
5388         (convert_to_divmod): Set the nothrow flag.
5389         * tree-if-conv.c (predicate_mem_writes):  Likewise.
5390         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
5391         (vectorizable_call): Likewise.
5392         (vectorizable_store): Likewise.
5393         (vectorizable_load): Likewise.
5394         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
5395         (vect_recog_mask_conversion_pattern): Likewise.
5397 2017-08-29  Martin Liska  <mliska@suse.cz>
5399         PR other/39851
5400         * gcc.c (driver_handle_option): Add new argument.
5401         * opts-common.c (handle_option): Pass
5402         target_option_override_hook.
5403         * opts-global.c (lang_handle_option): Add new option.
5404         (set_default_handlers):  Add new argument.
5405         (decode_options): Likewise.
5406         * opts.c (target_handle_option): Likewise.
5407         (common_handle_option): Call target_option_override_hook.
5408         * opts.h (struct cl_option_handler_func): Add hook for
5409         target option override.
5410         (struct cl_option_handlers): Likewise.
5411         (set_default_handlers): Add new argument.
5412         (decode_options): Likewise.
5413         (common_handle_option): Likewise.
5414         (target_handle_option): Likewise.
5415         * toplev.c (toplev::main): Pass targetm.target_option.override
5416         hook.
5418 2017-08-29  Richard Biener  <rguenther@suse.de>
5419         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
5421         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
5422         life to the active subtree.
5424 2017-08-28  Jeff Law  <law@redhat.com>
5426         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
5427         derive_equivalences.
5428         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
5429         Code moved into....
5430         (edge_info::derive_equivalences): New private member function
5432         * tree-ssa-dom.c (class edge_info): Changed from a struct
5433         to a class.  Add ctor/dtor, methods and data members.
5434         (edge_info::edge_info): Renamed from allocate_edge_info.
5435         Initialize additional members.
5436         (edge_info::~edge_info): New.
5437         (free_dom_edge_info): Delete the edge info.
5438         (record_edge_info): Use new class & associated member functions.
5439         Tighten forms for testing for edge equivalences.
5440         (record_temporary_equivalences): Iterate over the simple
5441         equivalences rather than assuming there's only one per edge.
5442         (cprop_into_successor_phis): Iterate over the simple
5443         equivalences rather than assuming there's only one per edge.
5444         (optimize_stmt): Use operand_equal_p rather than pointer
5445         equality for mini-DSE code.
5447 2017-08-28  Nathan Sidwell  <nathan@acm.org>
5449         * gcc.c (execute): Fold SIGPIPE handling into switch
5450         statement.  Adjust internal error message.
5452 2017-08-28  Richard Biener  <rguenther@suse.de>
5454         PR debug/81993
5455         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
5456         Do nothing for removed DIEs.
5458 2017-08-28  Richard Biener  <rguenther@suse.de>
5460         PR tree-optimization/81977
5461         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
5462         memcpy.
5464 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
5466         PR target/80640
5467         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
5468         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
5469         using targetm.gen_mem_thread_fence.
5471 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
5473         PR target/81995
5474         * config/i386/i386.md (*<btsc><mode>): Change operand 2
5475         predicate to register_operand.  Reorder operands.
5476         (*btr<mode>): Ditto.
5477         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
5478         (*btr<mode>_mask): Ditto.
5480 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
5482         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
5483         * config/rs6000/xmmintrin.h: New file.
5484         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
5486 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5488         PR target/81504
5489         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
5490         parameter and_insn and return it.
5491         (recombine_lvx_pattern): Insert a copy to ensure availability of
5492         the base register of the copied masking operation at the point of
5493         the instruction replacement.
5494         (recombine_stvx_pattern): Likewise.
5496 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5498         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
5499         undocumented switches.
5500         (-mpower9-dform-vector): Likewise.
5501         (-mpower9-dform): Likewise.
5502         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
5503         comments to delete references to -mpower9-dform* switches.
5504         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
5505         Delete reference to -mpower9-dform* switches, test for
5506         -mpower9-vector instead.
5507         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
5508         (OTHER_P9_VECTOR_MASKS): Likewise.
5509         (POWERPC_MASKS): Likewise.
5510         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
5511         tests against -mpower9-dform* to -mpower9-vector.  Delete code
5512         that checked for -mpower9-dform* consistancy with other options.
5513         Add test for -mpower9-misc to enable other power9 switches.
5514         (rs6000_init_hard_regno_mode_ok): Likewise.
5515         (rs6000_option_override_internal): Likewise.
5516         (rs6000_emit_prologue): Likewise.
5517         (rs6000_emit_epilogue): Likewise.
5518         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
5519         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
5520         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
5521         -mpower9-vector.
5522         (emit_fusion_p9_store): Likewise.
5523         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
5524         resetting these macros if the assembler does not support ISA 3.0
5525         instructions.
5526         (TARGET_P9_DFORM_VECTOR): Likewise.
5527         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
5528         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
5530 2017-08-25  Alan Modra  <amodra@gmail.com>
5532         PR rtl-optimization/81747
5533         * cse.c (cse_extended_basic_block): Don't attempt to record
5534         equivalences for degenerate conditional branches that branch
5535         to their fall-through.
5537 2017-08-24  Martin Sebor  <msebor@redhat.com>
5539         PR middle-end/81908
5540         * gimple-fold.c (size_must_be_zero_p): New function.
5541         (gimple_fold_builtin_memory_op): Call it.
5543 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
5545         * config/rs6000/mm_malloc.h: New file.
5547 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
5549         PR tree-optimization/81913
5550         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
5551         analysis when either IVs in condition can wrap.
5553 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
5555         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
5556         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
5558 2017-08-24  Richard Biener  <rguenther@suse.de>
5560         PR target/81921
5561         * targhooks.c (default_target_can_inline_p): Properly
5562         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
5563         is present and always compare.
5564         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
5565         infer -mfpmath=sse from TARGET_SSE_P.
5566         (ix86_can_inline_p): Properly use target_option_default_node when
5567         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
5569 2017-08-24  Richard Biener  <rguenther@suse.de>
5571         PR debug/81936
5572         * dwarf2out.c (output_die): Handle flag_generate_offload like
5573         flag_generate_lto.
5574         (output_comp_unit): Likewise.
5575         (gen_array_type_die): Likewise.
5576         (dwarf2out_early_finish): Likewise.
5577         (note_variable_value_in_expr): Likewise.
5578         (dwarf2out_finish): Likewise.  Adjust assert.
5579         * cgraphunit.c (symbol_table::compile): Move setting of
5580         flag_generate_offload earlier ...
5581         (symbol_table::finalize_compilation_unit): ... here, before
5582         early debug finalization.
5584 2017-08-24  Richard Biener  <rguenther@suse.de>
5586         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
5587         and ipa-fnsummary.h.
5588         (ix86_can_inline_p): When ix86_fpmath flags do not match
5589         check whether the callee uses FP math at all.
5591 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
5593         PR middle-end/81931
5594         * tree-ssanames.c (get_nonzero_bits): Use element_precision
5595         instead of TYPE_PRECISION.
5597 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
5598             Alan Hayward  <alan.hayward@arm.com>
5599             David Sherwood  <david.sherwood@arm.com>
5601         * combine.c (make_extraction): Use subreg_offset_from_lsb.
5603 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
5605         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
5606         Remove field.
5607         (ix86_frame::stack_realign_allocate): New field.
5608         (struct machine_frame_state): Modify comments.
5609         (machine_frame_state::sp_realigned_fp_end): New field.
5610         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
5611         layout calculation.
5612         (sp_valid_at): Add assertion to assure no attempt to access invalid
5613         offset of a realigned stack.
5614         (fp_valid_at): Likewise.
5615         (choose_baseaddr): Modify comments.
5616         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
5617         ix86_expand_prologue.
5618         (ix86_expand_prologue): Modify stack realignment and allocation.
5619         (ix86_expand_epilogue): Modify comments.
5620         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
5621         avx2_runtime, avx512f, and avx512f_runtime.
5623 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
5625         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
5626         (mstackrealign): Do not init to -1.
5627         * config/i386/i386.c (ix86_option_override_internal):
5628         Check opts_set, not opts when setting default value of
5629         opts->x_ix86_force_align_arg_pointer.
5631 2017-08-23  Richard Biener  <rguenther@suse.de>
5633         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
5634         lang_hooks.decl_printable_name.
5635         * print-rtl-function.c (print_rtx_function): Likewise.
5636         * tree-pretty-print.c (dump_function_header): Likewise.
5638 2017-08-23  Richard Biener  <rguenther@suse.de>
5640         PR lto/81940
5641         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
5642         -g0 at compile-time.
5644 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
5646         PR middle-end/19706
5647         * doc/sourcebuild.texi (Other hardware attributes):
5648         Document xorsign.
5650 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
5652         PR middle-end/19706
5653         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
5654         Fix single-use check.
5656 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5658         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
5660 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
5662         * doc/install.texi: Modify to add more details on running selected
5663         tests.
5665 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
5667         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
5668         is combined with -mabi=ms.
5669         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
5670         ms_abi.
5672 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5674         PR tree-optimization/81488
5675         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
5676         and cached_basis fields.
5677         (MAX_SPREAD): New constant.
5678         (alloc_cand_and_find_basis): Initialize new fields.
5679         (clear_visited): New function.
5680         (create_phi_basis_1): Rename from create_phi_basis, set visited
5681         and cached_basis fields.
5682         (create_phi_basis): New wrapper function.
5683         (phi_add_costs_1): Rename from phi_add_costs, add spread
5684         parameter, set visited field, short-circuit when limits reached.
5685         (phi_add_costs): New wrapper function.
5686         (record_phi_increments_1): Rename from record_phi_increments, set
5687         visited field.
5688         (record_phi_increments): New wrapper function.
5689         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
5690         (phi_incr_cost): New wrapper function.
5691         (all_phi_incrs_profitable_1): Rename from
5692         all_phi_incrs_profitable, set visited field.
5693         (all_phi_incrs_profitable): New wrapper function.
5695 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
5696             Alan Hayward  <alan.hayward@arm.com>
5697             David Sherwood  <david.sherwood@arm.com>
5699         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
5700         that takes the outer and inner modes.
5701         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
5702         comparison as the canonical test for a paradoxical subreg.
5703         * combine.c (simplify_set): Use paradoxical_subreg_p.
5704         (make_extraction): Likewise.
5705         (force_to_mode): Likewise.
5706         (rtx_equal_for_field_assignment_p): Likewise.
5707         (gen_lowpart_for_combine): Likewise.
5708         (simplify_comparison): Likewise.
5709         * cse.c (equiv_constant): Likewise.
5710         * expmed.c (store_bit_field_1): Likewise.
5711         * final.c (alter_subreg): Likewise.
5712         * fwprop.c (propagate_rtx): Likewise.
5713         (forward_propagate_subreg): Likewise.
5714         * ira-conflicts.c (ira_build_conflicts): Likewise.
5715         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
5716         * lra-constraints.c (curr_insn_transform): Likewise.
5717         (split_reg): Likewise.
5718         * lra-eliminations.c (move_plus_up): Likewise.
5719         (lra_eliminate_regs_1): Likewise.
5720         * recog.c (general_operand): Likewise.
5721         * ree.c (combine_reaching_defs): Likewise.
5722         * reload.c (push_reload): Likewise.
5723         (find_reloads): Likewise.
5724         * reload1.c (elimination_effects): Likewise.
5725         (compute_reload_subreg_offset): Likewise.
5726         (choose_reload_regs): Likewise.
5727         * rtlanal.c (subreg_lsb_1): Likewise.
5728         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
5729         (simplify_subreg): Likewise.
5730         * var-tracking.c (track_loc_p): Likewise.
5731         * emit-rtl.c (byte_lowpart_offset): Likewise.
5732         (paradoxical_subreg_p): Delete out-of-line definition.
5734 2017-08-22  Jeff Law  <law@redhat.com>
5736         PR tree-optimization/81741
5737         PR tree-optimization/71947
5738         * tree-ssa-dom.c: Include tree-inline.h.
5739         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
5740         equivalences if one is more expensive to compute than the other.
5741         * tree-ssa-scopedtables.h (class const_or_copies): Make
5742         record_const_or_copy_raw method private.
5743         (class avail_exprs_stack): New method simplify_binary_operation.
5744         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
5745         avail_exprs_stack::simplify_binary_operation as needed.
5746         (avail_exprs_stack::simplify_binary_operation): New function.
5748 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5750         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
5751         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
5752         (DOT_SYMBOLS): Likewise.
5753         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5754         (RELOCATABLE_NEEDS_FIXUP): Likewise.
5755         (RS6000_ABI_NAME): Likewise.
5756         (TARGET_CMODEL): Likewise.
5757         (TOC_SECTION_ASM_OP): Likewise.
5758         (SET_CMODEL): New macro.
5759         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
5761 2017-08-22  Richard Biener  <rguenther@suse.de>
5763         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
5764         to allow for free-lang-data replacements similar to verify_type_variant.
5766 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
5767             Alan Hayward  <alan.hayward@arm.com>
5768             David Sherwood  <david.sherwood@arm.com>
5770         * config/aarch64/aarch64.md (casesi): Use DImode rather than
5771         VOIDmode for the LABEL_REF.
5773 2017-08-22  Richard Biener  <rguenther@suse.de>
5775         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
5777 2017-08-22  Richard Biener  <rguenther@suse.de>
5779         * common.opt (feliminate-dwarf2-dups): Ignore.
5780         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
5781         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
5782         same_die_p_wrap, compute_section_prefix,
5783         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
5784         (comdat_symbol_id, comdat_symbol_number): Likewise.
5785         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
5786         Likewise.
5787         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
5788         (output_die): Mark unreachable path unreachable.
5789         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
5790         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
5791         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
5792         (dwarf2out_early_finish): Likewise.
5794 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
5796         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
5798 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
5800         PR target/81910
5801         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
5802         not VAR_P. Filter attribute warnings with OPT_Wattributes.
5803         (avr_attribute_table) <io, io_low, address>: Initialize
5804         .decl_required with true.
5806 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
5808         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
5809         undocumented debugging options.
5810         (-mvsx-scalar-double): Likewise.
5811         (-mallow-df-permute): Likewise.
5812         (-mvectorize-builtins): Likewise.
5813         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
5814         (rs6000_builtin_vectorized_function): Likewise.
5815         (rs6000_builtin_md_vectorized_function): Likewise.
5816         (rs6000_opt_vars): Likewise.
5818 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
5820         PR target/46091
5821         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
5822         (*btrq_imm): Rename from *btrq.
5823         (*btcq_imm): Rename from *btcq.
5824         (btsc): New code attribute.
5825         (*<btsc><mode>): New insn pattern.
5826         (*btr<mode>): Ditto.
5827         (*<btsc><mode>_mask): New insn_and_split pattern.
5828         (*btr<mode>_mask): Ditto.
5830 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5831             Alan Hayward  <alan.hayward@arm.com>
5832             David Sherwood  <david.sherwood@arm.com>
5834         * function.c (pad_below): Simplify padding calculation.
5836 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5837             Alan Hayward  <alan.hayward@arm.com>
5838             David Sherwood  <david.sherwood@arm.com>
5840         * target.def (function_prologue): Remove frame size argument.
5841         (function_epilogue): Likewise.
5842         * doc/tm.texi: Regenerate.
5843         * final.c (final_start_function): Update call to function_prologue.
5844         (final_end_function): Update call to function_epilogue.
5845         (default_function_pro_epilogue): Remove frame size argument.
5846         * output.h (default_function_pro_epilogue): Likewise.
5847         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
5848         (arm_output_function_prologue): Likewise.
5849         * config/frv/frv.c (frv_function_prologue): Likewise.
5850         (frv_function_epilogue): Likewise.
5851         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
5852         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
5853         (ia64_output_function_epilogue): Likewise.
5854         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
5855         (m32r_output_function_epilogue): Likewise.
5856         * config/microblaze/microblaze.c (microblaze_function_prologue)
5857         (microblaze_function_epilogue): Likewise.
5858         * config/mips/mips.c (mips_output_function_prologue): Likewise.
5859         (mips_output_function_epilogue): Likewise.
5860         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
5861         (mmix_target_asm_function_epilogue): Likewise.
5862         * config/msp430/msp430.c (msp430_start_function): Likewise.
5863         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
5864         (nds32_asm_function_epilogue): Likewise.
5865         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
5866         * config/pa/pa.c (pa_output_function_prologue): Likewise.
5867         (pa_output_function_epilogue): Likewise.
5868         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
5869         (rs6000_output_function_epilogue): Likewise.
5870         * config/rl78/rl78.c (rl78_start_function): Likewise.
5871         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
5872         (rs6000_output_function_epilogue): Likewise.
5873         * config/rx/rx.c (rx_output_function_prologue): Likewise.
5874         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
5875         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
5876         (sparc_asm_function_epilogue): Likewise.
5878 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5880         * tree.h (type_has_mode_precision_p): New function.
5881         * convert.c (convert_to_integer_1): Use it.
5882         * expr.c (expand_expr_real_2): Likewise.
5883         (expand_expr_real_1): Likewise.
5884         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
5885         * match.pd: Likewise.
5886         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
5887         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
5888         * tree-tailcall.c (process_assignment): Likewise.
5889         * tree-vect-loop.c (vectorizable_reduction): Likewise.
5890         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
5891         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
5892         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
5893         (vectorizable_assignment): Likewise.
5894         (vectorizable_shift): Likewise.
5895         (vectorizable_operation): Likewise.
5896         * tree-vrp.c (register_edge_assert_for_2): Likewise.
5898 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
5900         * match.pd: Add pow (C, x) simplification.
5902 2017-08-21  Richard Biener  <rguenther@suse.de>
5904         PR tree-optimization/81900
5905         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
5906         for blocks with abnormal predecessors.
5907         (compute_antic): Do not set visited flag prematurely.
5909 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
5911         PR target/79883
5912         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
5914 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5916         * stor-layout.h (vector_type_mode): Move to...
5917         * tree.h (vector_type_mode): ...here.
5918         * stor-layout.c (vector_type_mode): Move to...
5919         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
5921 2017-08-21  Richard Biener  <rguenther@suse.de>
5923         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
5924         register_external_die hooks.
5925         (debug_false_tree_charstarstar_uhwistar): Declare.
5926         (debug_nothing_tree_charstar_uhwi): Likewise.
5927         * debug.c (do_nothing_debug_hooks): Adjust.
5928         (debug_false_tree_charstarstar_uhwistar): New do nothing.
5929         (debug_nothing_tree_charstar_uhwi): Likewise.
5930         * dbxout.c (dbx_debug_hooks): Adjust.
5931         (xcoff_debug_hooks): Likewise.
5932         * sdbout.c (sdb_debug_hooks): Likewise.
5933         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5934         * dwarf2out.c (macinfo_label_base): New global.
5935         (dwarf2out_register_external_die): New function for the
5936         register_external_die hook.
5937         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
5938         (dwarf2_debug_hooks): Use them.
5939         (dwarf2_lineno_debug_hooks): Adjust.
5940         (struct die_struct): Add with_offset flag.
5941         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
5942         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
5943         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
5944         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
5945         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
5946         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
5947         defining section names for the early LTO debug variants.
5948         (reset_indirect_string): New helper.
5949         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
5950         (print_dw_val): Add support for offsetted symbol references.
5951         (get_ultimate_context): Split out from is_cxx.
5952         (is_cxx): Use get_ultimate_context.
5953         (is_fortran): Add decl overload.
5954         (compute_comp_unit_symbol): Split out worker from
5955         compute_section_prefix.
5956         (compute_section_prefix): Call compute_comp_unit_symbol and
5957         set comdat_type_p here.
5958         (output_die): Skip DIE symbol output for the LTO added one.
5959         Handle DIE symbol references with offset.
5960         (output_comp_unit): Guard section name mangling properly.
5961         For LTO debug sections emit a symbol at the section beginning
5962         which we use to refer to its DIEs.
5963         (add_abstract_origin_attribute): For DIEs registered via
5964         dwarf2out_register_external_die directly refer to the early
5965         DIE rather than indirectly through the shadow one we created.
5966         Remove obsolete call to dwarf2out_abstract_function for
5967         non-function/block origins.
5968         (gen_array_type_die): When generating early LTO debug do
5969         not emit DW_AT_string_length.
5970         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
5971         late when in LTO.  As suggested place a gcc_unreachable for
5972         the DECL_ABSTRACT_P case.
5973         (gen_subprogram_die): Avoid another specification DIE
5974         for early built declarations/definitions for the late LTO case.
5975         (gen_variable_die): Add type references for late duplicated VLA dies
5976         when in late LTO.
5977         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
5978         we have the abstract instance already.
5979         (process_scope_var): Adjust decl DIE contexts in LTO which
5980         first puts them in limbo.
5981         (gen_decl_die): Do not generate type DIEs late apart from
5982         types for VLAs or for decls we do not yet have a DIE.  Do not
5983         call dwarf2out_abstract_function late.
5984         (dwarf2out_early_global_decl): Make sure to create DIEs
5985         for abstract instances of a decl first.
5986         (dwarf2out_late_global_decl): Adjust comment.
5987         (output_macinfo_op): With multiple macro sections use
5988         macinfo_label_base to distinguish labels.
5989         (output_macinfo): Likewise.  Update macinfo_label_base.
5990         Pass in the line info label.
5991         (note_variable_value_in_expr): When generating LTO resolve
5992         all variable values here by generating DIEs as needed.
5993         (init_sections_and_labels): Add early LTO debug flag parameter
5994         and generate different sections and names if set.  Add generation
5995         counter for the labels so we can have multiple of them.
5996         (reset_dies): Helper to allow DIEs to be output multiple times.
5997         (dwarf2out_finish): When outputting DIEs to the fat part of an
5998         LTO object first reset DIEs.
5999         (dwarf2out_early_finish): Output early DIEs when generating LTO.
6000         (modified_type_die): Check for decl_ultimate_origin being self
6001         before recursing.
6002         (gen_type_die_with_usage): Likewise.
6003         (gen_typedef_die): Allow decl_ultimate_origin being self.
6004         (set_decl_abstract_flags): Remove.
6005         (set_block_abstract_flags): Likewise.
6006         (dwarf2out_abstract_function): Treat the early generated DIEs
6007         as the abstract copy and only add DW_AT_inline and
6008         DW_AT_artificial here and call set_decl_origin_self.
6009         If the DIE has an abstract origin don't do anything.
6010         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
6011         if we have none yet (Go fails to build one, PR78628).
6012         (variably_modified_type_p): Prevent endless recursion for Ada
6013         cyclic pointer types.
6014         * lto-streamer-in.c: Include debug.h.
6015         (dref_queue): New global.
6016         (lto_read_tree_1): Stream in DIE references.
6017         (lto_input_tree): Register DIE references.
6018         (input_function): Stream DECL_DEBUG_ARGS.
6019         * lto-streamer-out.c: Include debug.h.
6020         (lto_write_tree_1): Output DIE references.
6021         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
6022         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
6023         (output_function): Stream DECL_DEBUG_ARGS.
6024         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
6025         Stream DECL_ABSTRACT_ORIGIN.
6026         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
6027         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
6028         DECL_CONTEXT for file-scope decls.
6029         * lto-streamer.h (struct dref_entry): Declare.
6030         (dref_queue): Likewise.
6031         * cfgexpand.c (pass_expand::execute): Do not call the
6032         outlining_inline_function hook here.
6033         * lto-wrapper.c (debug_obj): New global.
6034         (tool_cleanup): Unlink it if required.
6035         (debug_objcopy): New function.
6036         (run_gcc): Handle early debug sections in the IL files by
6037         extracting them to separate files, partially linkin them and
6038         feeding the result back as result to the linker.
6039         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
6040         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
6041         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
6042         sections into a separate segment.
6043         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
6044         segments.
6045         (darwin_asm_dwarf_section): Likewise.
6046         (darwin_asm_output_dwarf_offset): Likewise.
6047         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
6049 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
6050             Alan Hayward  <alan.hayward@arm.com>
6051             David Sherwood  <david.sherwood@arm.com>
6053         * read-md.h (md_reader::record_potential_iterator_use): Replace
6054         pointer argument with an rtx and an index.
6055         * read-rtl.c (iterator_group::apply_iterator): Likewise.
6056         (apply_mode_iterator): Likewise.
6057         (apply_code_iterator): Likewise.
6058         (apply_int_iterator): Likewise.
6059         (apply_subst_iterator): Likewise.
6060         (record_iterator_use): Likewise.
6061         (record_attribute_use): Likewise.
6062         (md_reader::record_potential_iterator_use): Likewise.  Update calls
6063         to record_iterator_use and apply_iterator.
6064         (iterator_use): Replace ptr with x and index.
6065         (attribute_use): Likewise.
6066         (apply_attribute_uses): Update calls to apply_iterator.
6067         (apply_iterators): Likewise.  Update initialization of iterator_use.
6068         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
6069         and record_potential_iterator_use.
6070         (rtx_reader::read_rtx_operand): Likewise.
6072 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
6073             Alan Hayward  <alan.hayward@arm.com>
6074             David Sherwood  <david.sherwood@arm.com>
6076         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
6077         CONST_WIDE_INT.
6079 2017-08-21  Richard Biener  <rguenther@suse.de>
6081         PR middle-end/81884
6082         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
6083         at struct end conservatively when comparing common bases.
6085 2017-08-21  Richard Biener  <rguenther@suse.de>
6087         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
6088         (mem_ref_in_stmt): Remove.
6089         (determine_max_movement): Use ref index to get at the reference.
6090         (invariantness_dom_walker::before_dom_children): Deal with
6091         lim data already initialized.
6092         (gather_mem_refs_stmt): Initialize lim data and record ref index.
6094 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
6096         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
6097         (TARGET_ISA_ROUND): Ditto.
6098         (TARGET_ROUND): Ditto.
6099         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
6100         * config/i386/i386.md: Ditto.
6101         * config/i386/sse.md: Ditto.
6102         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
6103         with OPTION_MASK_ISA_SSE4_1.
6105 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
6107         PR target/81894
6108         * doc/extend.texi (x86 Built-in Functions): Correct the name of
6109         __builtin_ia32_lzcnt_u16.
6111 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
6113         PR target/80210
6114         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
6115         (rs6000_set_current_function): Rewrite function to use it.
6117 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
6119         PR c/53037
6120         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
6121         and TYPE_WARN_IF_NOT_ALIGN.
6122         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
6123         (handle_warn_if_not_align): New.
6124         (place_union_field): Call handle_warn_if_not_align.
6125         (place_field): Call handle_warn_if_not_align.
6126         Copy TYPE_WARN_IF_NOT_ALIGN.
6127         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
6128         (layout_type): Likewise.
6129         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
6130         spare to 18.
6131         (tree_decl_common): Add warn_if_not_align.
6132         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
6133         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
6134         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
6135         (DECL_WARN_IF_NOT_ALIGN): Likewise.
6136         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
6137         * doc/extend.texi: Document warn_if_not_aligned attribute.
6138         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
6140 2017-08-17  Martin Liska  <mliska@suse.cz>
6142         PR bootstrap/81864
6143         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
6144         (get_data_dependence): Use it as pointer type.
6145         (distribute_loop): Likewise.
6147 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6149         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
6150         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
6151         (p8_vmrgow_<mode>_direct): New define_insn.
6152         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
6153         handle endianness for vmrgew and vmrgow permute patterns.
6155 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
6157         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
6158         * config/rs6000/rs6000-cpus.def: Remove comment.
6159         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
6160         (POWERPC_MASKS): Likewise.
6161         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
6162         use of TARGET_VSX_TIMODE.
6163         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
6164         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
6165         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
6166         (rs6000_option_override_internal): Remove dead code.
6167         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
6168         (rs6000_legitimize_reload_address): Likewise.
6169         (rs6000_legitimate_address_p): Likewise.
6170         (rs6000_opt_masks): Delete "vsx-timode".
6171         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
6172         from function comment.
6173         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
6174         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
6175         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
6176         condition.
6177         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
6178         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
6179         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
6180         (VSX_TI): Likewise.
6181         (VSX_M): Likewise.
6182         (define_peephole2): Likewise.
6184 2017-08-17  Martin Sebor  <msebor@redhat.com>
6186         PR c/81859
6187         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
6188         past the end of an array.
6189         (test_pp_format): Add test cases.
6191 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
6193         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
6194         missing ECF_NOTHROW flags.
6196 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
6198         PR target/72804
6199         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
6200         operands residing in integer registers.
6201         (*vsx_le_perm_load_<mode>): Likewise.
6202         (*vsx_le_perm_store_<mode>): Likewise.
6203         (define_peephole2): Add peepholes to optimize the above.
6205 2017-08-17  Marek Polacek  <polacek@redhat.com>
6207         PR middle-end/81814
6208         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
6209         to mimic what shorten_compare did.  Change the return type to bool.
6210         (fold_cond_expr_with_comparison): Update call to
6211         operand_equal_for_comparison_p.
6212         (fold_ternary_loc): Likewise.
6214 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
6216         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
6217         register.
6218         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
6220 2017-08-17  Richard Biener  <rguenther@suse.de>
6222         * tree-ssa-structalias.c (solve_graph): When propagating
6223         to successors update the graphs succ edges and avoid duplicate work.
6225 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
6227         PR target/81861
6228         * config/i386/i386.c (ix86_option_override_internal): Save target
6229         specific options after ix86_stack_protector_guard_reg was changed.
6231 2017-08-17  Richard Biener  <rguenther@suse.de>
6233         PR tree-optimization/81827
6234         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
6235         (new_var_info): Initialize it conservatively.
6236         (get_call_vi): Mark register vars.
6237         (new_scalar_tmp_constraint_exp): Likewise.
6238         (handle_rhs_call): Likewise.
6239         (handle_const_call): Likewise.
6240         (create_function_info_for): Likewise.
6241         (solve_constraints): Sort varinfos to separate register from
6242         non-register vars to pack points-to solution bitmaps during
6243         iteration.
6245 2017-08-17  Marek Polacek  <polacek@redhat.com>
6247         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
6249 2017-08-17  Richard Biener  <rguenther@suse.de>
6251         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
6252         to true when overflow is undefined and we saturated the result.
6254 2017-08-17  Alan Modra  <amodra@gmail.com>
6256         PR target/80938
6257         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
6258         Don't use store multiple if only one reg needs saving.
6259         (interesting_frame_related_regno): New function.
6260         (rs6000_frame_related): Don't emit frame info for regs that
6261         don't need saving.
6262         (rs6000_emit_epilogue): Likewise.
6264 2017-08-16  Nathan Sidwell  <nathan@acm.org>
6266         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
6267         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
6268         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
6269         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
6270         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
6271         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
6272         (verify_type): Adjust for TYPE_BINFO move.
6273         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
6274         process TYPE_BINFO directly.
6275         (hash_tree): Likewise.
6276         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
6277         Likewise.
6278         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
6279         Likewise.
6281 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
6283         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
6285 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
6287         PR target/46091
6288         * config/i386/i386.md (*anddi_1_btr): Change predicates of
6289         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
6290         Add ix86_binary_operator_ok to insn constraint.
6291         (*iordi_1_bts): Ditto.
6292         (*xordi_1_btc): Ditto.
6293         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
6294         Update corresponding peephole2 pattern.
6295         (*btrq): Ditto.
6296         (*btcq): Ditto.
6298 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
6300         PR tree-optimization/81832
6301         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
6302         copy loop header which has IFN_LOOP_DIST_ALIAS call.
6304 2017-08-16  Marek Polacek  <polacek@redhat.com>
6306         PR middle/81695
6307         * fold-const.c (fold_indirect_ref_1): Restore original behavior
6308         regarding size_zero_node.
6310 2017-08-16  Martin Liska  <mliska@suse.cz>
6312         PR target/81753
6313         * config.gcc: Respect previously set extra_objs in case
6314         of darwin target.
6316 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
6318         PR tree-optimization/81835
6319         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
6320         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
6321         not depend on the phi.
6323 2017-08-16  Alan Modra  <amodra@gmail.com>
6325         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
6326         dead code.
6328 2017-08-16  Alan Modra  <amodra@gmail.com>
6330         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
6331         (save_reg_p): ..into this.  Update all callers.
6332         (first_reg_to_save): Simplify.
6334 2017-08-16  Alan Modra  <amodra@gmail.com>
6336         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
6337         fixed regs.
6339 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
6341         PR target/78460
6342         PR target/67712
6343         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
6344         constant count if that count is less than 32.
6346 2017-08-15  Nathan Sidwell  <nathan@acm.org>
6348         * gcc.c (execute): Emit friendlier message if inferior is killed
6349         by an external cause.
6351 2017-08-15  Richard Biener  <rguenther@suse.de>
6353         PR tree-optimization/81790
6354         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
6355         CONSTRUCTORs from simplifying and VN.
6357 2017-08-14  Martin Sebor  <msebor@redhat.com>
6359         * builtin-attrs.def: Add comments.
6361 2017-08-14  Martin Sebor  <msebor@redhat.com>
6363         PR c/81117
6364         * doc/extend.texi (attribute nonstring): Document new attribute.
6366 2017-08-14  Martin Sebor  <msebor@redhat.com>
6368         PR c/81117
6369         * tree-diagnostic.c (default_tree_printer): Handle %G.
6370         * gimple-pretty-print.h (percent_G_format): Declare new function.
6371         * gimple-pretty-print.c (percent_G_format): Define.
6372         * tree-pretty-print.c (percent_K_format): Add argument.
6374 2017-08-14  Martin Sebor  <msebor@redhat.com>
6376         PR translation/79998
6377         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
6378         Remove a stray space.
6380 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
6382         PR target/46091
6383         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
6384         (*iordi_1_bts): Ditto.
6385         (*xordi_1_btc): Ditto.
6387 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6389         PR target/79845
6390         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
6391         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6392         Likewise.
6393         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
6394         quoted strings, and make more translator-friendly.
6395         (darwin_rs6000_override_options): Likewise.
6396         (rs6000_option_override_internal): Likewise.
6397         (rs6000_return_in_memory): Fix overlong line.
6398         (init_cmulative_args): Use quoted strings, and make more
6399         translator-friendly.
6400         (rs6000_pass_by_reference): Fix overlong line.
6401         (def_builtin): Use quoted strings.
6402         (altivec_expand_predicate_builtin): Use quoted strings, and make
6403         more translator-friendly.
6404         (htm_expand_builtin): Use quoted strings.
6405         (cpu_expand_builtin): Use quoted strings, and make more
6406         translator-friendly.
6407         (altivec_expand_builtin): Likewise.
6408         (paired_expand_predicate_builtin): Likewise.
6409         (rs6000_invalid_builtin): Likewise.
6410         (builtin_function_type): Use quoted strings.
6411         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
6412         more translator-friendly.
6413         (rs6000_trampoline_init): Likewise.
6414         (rs6000_handle_altivec_attribute): Likewise.
6415         (rs6000_inner_target_options): Use quoted strings.
6416         (rs6000_disable_incompatible_switches): Likewise.
6417         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
6418         strings, and make more translator-friendly.
6419         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
6421 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
6423         PR tree-optimization/81799
6424         * tree-loop-distribution.c (version_loop_by_alias_check): Force
6425         cond_expr to simple gimple operand.
6427 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
6429         PR middle-end/46932
6430         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
6432 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
6434         PR target/81754
6435         PR target/81268
6436         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
6437         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
6438         TARGET_GASISR_PROLOGUES.
6439         * config/avr/avr.c (avr_option_override): Same.
6440         (avr_pass_pre_proep::execute): Same.
6442 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
6444         PR target/81820
6445         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
6446         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
6448 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
6450         * config/i386/i386.md (*load_tp_<mode>): Redefine as
6451         define_insn_and_split.  Split to a memory load from 0 in
6452         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
6453         using PTR mode iterator.
6454         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
6455         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
6456         (*add_tp_<mode>): Redefine as define_insn_and_split.
6457         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
6458         address space.  Merge with *add_tp_x32 using PTR mode iterator.
6459         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
6460         Split to an add with a  memory load from 0 in
6461         DEFAULT_TLS_SEG_REG address space.
6463 2017-08-12  Andrew Pinski  <apinski@cavium.com>
6465         * config/aarch64/aarch64-option-extensions.def (rdma):
6466         Fix feature string to what Linux prints out in /proc/cpuinfo.
6468 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
6470         PR ada/79542
6471         * dwarf2out.c (modified_type_die): For C typedef types that have
6472         an ultimate origin, process the ultimate origin instead of the
6473         input type.
6474         (gen_typedef_die): Assert that input DECLs have no ultimate
6475         origin.
6476         (gen_type_die_with_usage): For typedef variants that have an
6477         ultimate origin, just call gen_decl_die on the original DECL.
6478         (process_scope_var): Avoid creating DIEs for local typedefs and
6479         concrete static variables.
6481 2017-08-12  Alan Modra  <amodra@gmail.com>
6483         PR target/81170
6484         PR target/81295
6485         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
6486         match gnu-user.h startfile.
6487         (ENDFILE_LINUX_SPEC): Similarly.
6489 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
6491         PR lto/81430
6492         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
6493         Remove function.
6494         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
6496 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
6497         * config/aarch64/aarch64.md (mov<mode>): Change.
6498         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6499         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
6500         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
6502 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
6504         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
6505         for storage order barriers.
6507 2017-08-11  Martin Liska  <mliska@suse.cz>
6509         PR tree-opt/79987
6510         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
6511         variables of void type.
6513 2017-08-11  Martin Liska  <mliska@suse.cz>
6515         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
6516         TARGET_SUPPORTS_ALIASES.
6517         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
6518         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
6519         (optimize_weakref): Likewise.
6520         * symtab.c (symtab_node::noninterposable_alias): Likewise.
6521         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
6522         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
6524 2017-08-11  Martin Liska  <mliska@suse.cz>
6526         PR ipa/81213
6527         * config/i386/i386.c (make_resolver_func): Do complete
6528         refactoring of the function.
6530 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
6532         PR target/81708
6533         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
6534         * config/i386/i386.c (ix86_stack_protect_guard): Use
6535         ix86_stack_protect_guard_symbol_str to generate varible declaration.
6536         * doc/invoke.texi (x86 Options): Document
6537         -mstack-protector-guard-symbol= option.
6539 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
6541         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
6542         * config/i386/i386.c (ix86_split_stack_guard): New function.
6543         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
6544         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
6545         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
6546         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
6547         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
6548         (split_stack_space_check): Call ix86_split_stack_guard.
6550 2017-08-10  Martin Sebor  <msebor@redhat.com>
6552         * print-tree.c (print_node): Print location using the established
6553         format %s:%i%i.
6554         Replace spaces with colons.
6555         (debug_raw, debug): Ditto.
6557 2017-08-10  Martin Sebor  <msebor@redhat.com>
6559         PR c++/81586
6560         * pretty-print.c (pp_format): Correct the handling of %s precision.
6562 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
6564         PR target/81736
6565         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
6566         to ...
6567         (ix86_finalize_stack_frame_flags): This.  Also clear
6568         frame_pointer_needed if -fno-omit-frame-pointer is used without
6569         stack access.
6570         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
6571         with ix86_finalize_stack_frame_flags.
6572         (ix86_expand_epilogue): Likewise.
6573         (ix86_expand_split_stack_prologue): Likewise.
6574         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
6576 2017-08-10  Martin Liska  <mliska@suse.cz>
6578         PR c++/81355
6579         * c-attribs.c (handle_target_attribute):
6580         Report warning for an empty string argument of target attribute.
6582 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
6584         PR c/81687
6585         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
6586         LABEL_DECLs.
6587         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
6588         or DECL_NONLOCAL labels.
6589         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
6590         or DECL_NONLOCAL labels here.
6592 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
6594         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
6595         to indicate when early gimple folding has been disabled.
6596         (rs6000_gimple_fold_builtin): Add debug content.
6597         (rs6000_invalid_builtin): Fix whitespace.
6598         (rs6000_expand_builtin): Fix whitespace.
6599         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
6601 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
6603         PR target/80938
6604         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6605         SAVE_MULTIPLE if not all the registers that saves, should be saved.
6607 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
6609         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
6610         (qdf24xx): Likewise.
6611         * config/aarch64/aarch64.md: Include falkor.md.
6612         * config/aarch64/falkor.md: New.
6614 2017-08-09  Marek Polacek  <polacek@redhat.com>
6616         PR c/81233
6617         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
6618         * diagnostic.c (emit_diagnostic): Add a comment.
6619         (emit_diagnostic_valist): New function.
6621 2017-08-09  Marek Polacek  <polacek@redhat.com>
6623         PR c/81417
6624         * input.c (make_location): New overload.
6625         * input.h (make_location): Declare.
6627 2017-08-08  Alan Modra  <amodra@gmail.com>
6628             H.J. Lu  <hongjiu.lu@intel.com>
6630         PR driver/81523
6631         * gcc.c (NO_PIE_SPEC): Delete.
6632         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
6633         exclusion..
6634         (LINK_PIE_SPEC): ..to here.
6635         (LINK_COMMAND_SPEC): Support -no-pie.
6636         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
6637         chain of crtbegin*.o selection, update for PIE_SPEC changes and
6638         format.
6639         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
6640         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
6641         (ENDFILE_CRTEND_SPEC): Similarly.
6643 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
6645         PR target/81708
6646         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
6647         (mstack-protector-guard-offset=): Ditto.
6648         * config/i386/i386.c (ix86_option_override): Handle
6649         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
6650         options.
6651         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
6652         ix86_stack_protect_guard_offset variables.
6653         (TARGET_STACK_PROTECT_GUARD): Always define.
6654         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
6655         and -mstack-protector-guard-offset= options.
6657 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6659         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
6660         boundary case for the last candidate.
6662 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6664         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
6665         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
6667 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
6669         PR middle-end/19706
6670         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
6671         * config/aarch64/aarch64-builtins.c
6672         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
6673         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
6674         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
6676 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
6677             Andrew Pinski <pinskia@gmail.com>
6679         PR middle-end/19706
6680         * internal-fn.def (XORSIGN): New.
6681         * optabs.def (xorsign_optab): New.
6682         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
6683         (convert_expand_mult_copysign): New.
6684         (pass_optimize_widening_mul::execute): Call
6685         convert_expand_mult_copysign.
6687 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6689         PR tree-optimization/81354
6690         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
6691         Insert on edges rather than explicitly creating landing pads.
6692         (analyze_candidates_and_replace): Commit edge inserts.
6694 2017-08-08  Richard Biener  <rguenther@suse.de>
6696         PR middle-end/81719
6697         * tree-ssa-loop-niter.c: Include tree-dfa.h.
6698         (expand_simple_operations): Also look through ADDR_EXPRs with
6699         MEM_REF bases treating them as POINTER_PLUS_EXPR.
6701 2017-08-08  Richard Biener  <rguenther@suse.de>
6703         PR tree-optimization/81723
6704         * tree-vect-slp.c (struct bst_traits): New hash traits.
6705         (bst_fail): New global.
6706         (vect_build_slp_tree_2): New worker, split out from ...
6707         (vect_build_slp_tree): ... this now wrapping it with using
6708         bst_fail set to cache SLP tree build fails.  Properly handle
6709         max_tree_size.
6710         (vect_analyze_slp_instance): Allocate and free bst_fail.
6712 2017-08-08  Martin Liska  <mliska@suse.cz>
6714         PR tree-opt/81696
6715         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
6716         LABEL_DECLs that can be from a different function.
6718 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6720         PR tree-optimization/81744
6721         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
6722         loop's number of iterations.
6724 2017-08-08  Martin Liska  <mliska@suse.cz>
6726         * asan.c: Include header files.
6727         * attribs.c (build_decl_attribute_variant): New function moved
6728         from tree.[ch].
6729         (build_type_attribute_qual_variant): Likewise.
6730         (cmp_attrib_identifiers): Likewise.
6731         (simple_cst_list_equal): Likewise.
6732         (omp_declare_simd_clauses_equal): Likewise.
6733         (attribute_value_equal): Likewise.
6734         (comp_type_attributes): Likewise.
6735         (build_type_attribute_variant): Likewise.
6736         (lookup_ident_attribute): Likewise.
6737         (remove_attribute): Likewise.
6738         (merge_attributes): Likewise.
6739         (merge_type_attributes): Likewise.
6740         (merge_decl_attributes): Likewise.
6741         (merge_dllimport_decl_attributes): Likewise.
6742         (handle_dll_attribute): Likewise.
6743         (attribute_list_equal): Likewise.
6744         (attribute_list_contained): Likewise.
6745         * attribs.h (lookup_attribute): New function moved from tree.[ch].
6746         (lookup_attribute_by_prefix): Likewise.
6747         * bb-reorder.c: Include header files.
6748         * builtins.c: Likewise.
6749         * calls.c: Likewise.
6750         * cfgexpand.c: Likewise.
6751         * cgraph.c: Likewise.
6752         * cgraphunit.c: Likewise.
6753         * convert.c: Likewise.
6754         * dwarf2out.c: Likewise.
6755         * final.c: Likewise.
6756         * fold-const.c: Likewise.
6757         * function.c: Likewise.
6758         * gimple-expr.c: Likewise.
6759         * gimple-fold.c: Likewise.
6760         * gimple-pretty-print.c: Likewise.
6761         * gimple.c: Likewise.
6762         * gimplify.c: Likewise.
6763         * hsa-common.c: Likewise.
6764         * hsa-gen.c: Likewise.
6765         * internal-fn.c: Likewise.
6766         * ipa-chkp.c: Likewise.
6767         * ipa-cp.c: Likewise.
6768         * ipa-devirt.c: Likewise.
6769         * ipa-fnsummary.c: Likewise.
6770         * ipa-inline.c: Likewise.
6771         * ipa-visibility.c: Likewise.
6772         * ipa.c: Likewise.
6773         * lto-cgraph.c: Likewise.
6774         * omp-expand.c: Likewise.
6775         * omp-general.c: Likewise.
6776         * omp-low.c: Likewise.
6777         * omp-offload.c: Likewise.
6778         * omp-simd-clone.c: Likewise.
6779         * opts-global.c: Likewise.
6780         * passes.c: Likewise.
6781         * predict.c: Likewise.
6782         * sancov.c: Likewise.
6783         * sanopt.c: Likewise.
6784         * symtab.c: Likewise.
6785         * toplev.c: Likewise.
6786         * trans-mem.c: Likewise.
6787         * tree-chkp.c: Likewise.
6788         * tree-eh.c: Likewise.
6789         * tree-into-ssa.c: Likewise.
6790         * tree-object-size.c: Likewise.
6791         * tree-parloops.c: Likewise.
6792         * tree-profile.c: Likewise.
6793         * tree-ssa-ccp.c: Likewise.
6794         * tree-ssa-live.c: Likewise.
6795         * tree-ssa-loop.c: Likewise.
6796         * tree-ssa-sccvn.c: Likewise.
6797         * tree-ssa-structalias.c: Likewise.
6798         * tree-ssa.c: Likewise.
6799         * tree-streamer-in.c: Likewise.
6800         * tree-vectorizer.c: Likewise.
6801         * tree-vrp.c: Likewise.
6802         * tsan.c: Likewise.
6803         * ubsan.c: Likewise.
6804         * varasm.c: Likewise.
6805         * varpool.c: Likewise.
6806         * tree.c: Remove functions moved to attribs.[ch].
6807         * tree.h: Likewise.
6808         * config/aarch64/aarch64.c: Add attrs.h header file.
6809         * config/alpha/alpha.c: Likewise.
6810         * config/arc/arc.c: Likewise.
6811         * config/arm/arm.c: Likewise.
6812         * config/avr/avr.c: Likewise.
6813         * config/bfin/bfin.c: Likewise.
6814         * config/c6x/c6x.c: Likewise.
6815         * config/cr16/cr16.c: Likewise.
6816         * config/cris/cris.c: Likewise.
6817         * config/darwin.c: Likewise.
6818         * config/epiphany/epiphany.c: Likewise.
6819         * config/fr30/fr30.c: Likewise.
6820         * config/frv/frv.c: Likewise.
6821         * config/ft32/ft32.c: Likewise.
6822         * config/h8300/h8300.c: Likewise.
6823         * config/i386/winnt.c: Likewise.
6824         * config/ia64/ia64.c: Likewise.
6825         * config/iq2000/iq2000.c: Likewise.
6826         * config/lm32/lm32.c: Likewise.
6827         * config/m32c/m32c.c: Likewise.
6828         * config/m32r/m32r.c: Likewise.
6829         * config/m68k/m68k.c: Likewise.
6830         * config/mcore/mcore.c: Likewise.
6831         * config/microblaze/microblaze.c: Likewise.
6832         * config/mips/mips.c: Likewise.
6833         * config/mmix/mmix.c: Likewise.
6834         * config/mn10300/mn10300.c: Likewise.
6835         * config/moxie/moxie.c: Likewise.
6836         * config/msp430/msp430.c: Likewise.
6837         * config/nds32/nds32-isr.c: Likewise.
6838         * config/nds32/nds32.c: Likewise.
6839         * config/nios2/nios2.c: Likewise.
6840         * config/nvptx/nvptx.c: Likewise.
6841         * config/pa/pa.c: Likewise.
6842         * config/pdp11/pdp11.c: Likewise.
6843         * config/powerpcspe/powerpcspe.c: Likewise.
6844         * config/riscv/riscv.c: Likewise.
6845         * config/rl78/rl78.c: Likewise.
6846         * config/rx/rx.c: Likewise.
6847         * config/s390/s390.c: Likewise.
6848         * config/sh/sh.c: Likewise.
6849         * config/sol2.c: Likewise.
6850         * config/sparc/sparc.c: Likewise.
6851         * config/spu/spu.c: Likewise.
6852         * config/stormy16/stormy16.c: Likewise.
6853         * config/tilegx/tilegx.c: Likewise.
6854         * config/tilepro/tilepro.c: Likewise.
6855         * config/v850/v850.c: Likewise.
6856         * config/vax/vax.c: Likewise.
6857         * config/visium/visium.c: Likewise.
6858         * config/xtensa/xtensa.c: Likewise.
6860 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
6862         PR target/81593
6863         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
6864         constraints since the -mupper-regs-* switches have been
6865         eliminated.
6866         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
6867         into a vector from a double word element that was extracted from
6868         another vector, and eliminate extra XXPERMDI instructions.
6869         (vsx_concat_<mode>_2): Likewise.
6870         (vsx_concat_<mode>_3): Likewise.
6871         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
6872         concat to allow optimizing inserts from previous extracts.
6874 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
6876         * config/i386/i386.c (ix86_stack_protect_guard): Generate
6877         memory reference to a SSP offset in TLS address space.
6878         (ix86_print_operand) <case '@'>: Remove.
6879         (ix86_print_operand_punct_valid_p): Remove '@' code.
6880         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
6881         UNSPEC_SP_TLS_TEST.
6882         (stack_tls_protect_set_<mode>): Remove.
6883         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
6884         (stack_tls_protect_test_<mode>): Remove.
6885         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
6887 2017-08-07  Olivier Hainque  <hainque@adacore.com>
6889         PR target/81755
6890         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
6892 2017-08-07  Douglas Rupp  <rupp@adacore.com>
6894         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
6895         variable was referenced as multidir in command.
6897 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6899         PR c/69389
6900         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
6901         BIT_FIELD_REF.
6903 2017-08-07  Martin Liska  <mliska@suse.cz>
6905         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
6906         * config/rl78/rl78.c: Add include of attribs.h.
6907         * config/sh/sh.c: Likewise.
6908         * config/v850/v850.c: Likewise.
6910 2017-08-07  Tom de Vries  <tom@codesourcery.com>
6912         PR middle-end/78266
6913         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
6915 2017-08-07  Martin Liska  <mliska@suse.cz>
6917         * config/mips/mips.c: Include attribs.h.
6919 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
6921         PR fortran/68829
6922         * doc/invoke.texi: Document change in behvaior for -Ofast for
6923         Fortran.
6925 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
6927         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
6928         Use gen_frame_mem.
6929         (aarch64_pop_regs): Likewise.
6930         (aarch64_gen_load_pair): Likewise.
6931         (aarch64_save_callee_saves): Likewise.
6932         (aarch64_restore_callee_saves): Likewise.
6934 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6936         * config/i386/i386.c: Revert the last change.
6938 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6940         PR target/81736
6941         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
6942         to ...
6943         (ix86_finalize_stack_frame_flags): This.  Also clear
6944         frame_pointer_needed if -fno-omit-frame-pointer is used without
6945         stack access.
6946         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
6947         with ix86_finalize_stack_frame_flags.
6948         (ix86_expand_epilogue): Likewise.
6949         (ix86_expand_split_stack_prologue): Likewise.
6951 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6953         PR target/81743
6954         * config/i386/i386.c (get_builtin_code_for_version): Set priority
6955         to P_AES for Westmere.
6957 2017-08-07  Jonathan Yong  <10walls@gmail.com>
6959         * config/i386/mingw.opt (fset-stack-executable): Removed.
6960         * config/i386/cygming.opt (fset-stack-executable): Moved
6961         from mingw.opt.
6962         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
6964 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
6966         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
6968 2017-08-07  Marek Polacek  <polacek@redhat.com>
6970         PR middle-end/81737
6971         * fold-const.c (fold_indirect_ref_1): Check type_domain.
6973 2017-08-07  Martin Liska  <mliska@suse.cz>
6975         * attribs.h (canonicalize_attr_name): New function.
6976         (cmp_attribs): Move from c-format.c and adjusted.
6977         (is_attribute_p): Moved from tree.h.
6978         * tree-inline.c: Add new includes.
6979         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
6980         (private_is_attribute_p): Remove.
6981         (private_lookup_attribute): Likewise.
6982         (private_lookup_attribute_by_prefix): Simplify.
6983         (remove_attribute): Use is_attribute_p.
6984         * tree.h: Remove removed declarations.
6986 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6988         PR middle-end/81698
6989         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
6990         instead of computing it in the function.  Formatting fix.
6991         (expand_case): Don't rely on default_edge being the first edge,
6992         clear it if removing it, pass default_edge to
6993         emit_case_dispatch_table.
6994         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
6995         fix.
6997 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
6999         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
7000         insn in the function, emit NOP after the insn.
7002 2017-08-06  Tom de Vries  <tom@codesourcery.com>
7004         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
7005         and element loops.
7007 2017-08-06  Tom de Vries  <tom@codesourcery.com>
7009         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
7010         loop.
7012 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
7014         PR tree-optimization/57371
7015         * match.pd: New pattern.
7017 2017-08-04  Marek Polacek  <polacek@redhat.com>
7019         PR middle-end/81695
7020         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
7021         perform the computation in offset_int.
7023 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
7025         PR tree-optimization/81136
7026         * tree-vectorizer.h: Include tree-hash-traits.h.
7027         (vec_base_alignments): New typedef.
7028         (vec_info): Add a base_alignments field.
7029         (vect_record_base_alignments): Declare.
7030         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
7031         field.
7032         (DR_IS_CONDITIONAL_IN_STMT): New macro.
7033         (create_data_ref): Add an is_conditional_in_stmt argument.
7034         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
7035         the is_conditional_in_stmt field.
7036         (data_ref_loc): Add an is_conditional_in_stmt field.
7037         (get_references_in_stmt): Set the is_conditional_in_stmt field.
7038         (find_data_references_in_stmt): Update call to create_data_ref.
7039         (graphite_find_data_references_in_stmt): Likewise.
7040         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7041         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
7042         (vect_record_base_alignment): New function.
7043         (vect_record_base_alignments): Likewise.
7044         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
7045         for nested statements even if we fail to compute a misalignment.
7046         Use pooled base alignments for unconditional references.
7047         (vect_find_same_alignment_drs): Compare base addresses instead
7048         of base objects.
7049         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
7050         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
7052 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
7054         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
7055         Add an explicit name for the enum.  Use auto_vec for slp_instances
7056         and grouped_stores.
7057         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
7058         for all vectors.
7059         (_bb_vec_info): Add a constructor and destructor.
7060         (vinfo_for_stmt): Return NULL for uids of -1 as well.
7061         (destroy_loop_vec_info): Delete.
7062         (vect_destroy_datarefs): Likewise.
7063         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
7064         (vec_info::vec_info): New function.
7065         (vec_info::~vec_info): Likewise.
7066         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
7067         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
7068         destroy_loop_vec_info.
7069         * tree-vect-loop.c (new_loop_vec_info): Replace with...
7070         (_loop_vec_info::_loop_vec_info): ...this.
7071         (destroy_loop_vec_info): Replace with...
7072         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
7073         the stmt_vec_infos.  Leave handling of vec_info information to its
7074         destructor.  Remove explicit vector releases.
7075         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
7076         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
7077         * tree-vect-slp.c (new_bb_vec_info): Replace with...
7078         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
7079         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
7080         (destroy_bb_vec_info): Replace with...
7081         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
7082         information to its destructor.
7083         (vect_slp_analyze_bb_1): Use new and delete instead of
7084         new_bb_vec_info and destroy_bb_vec_info.
7085         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
7086         single delete.
7088 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
7090         * tree-data-ref.h (subscript): Add access_fn field.
7091         (data_dependence_relation): Add could_be_independent_p.
7092         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
7093         (same_access_functions): Move to tree-data-ref.c.
7094         * tree-data-ref.c (ref_contains_union_access_p): New function.
7095         (access_fn_component_p): Likewise.
7096         (access_fn_components_comparable_p): Likewise.
7097         (dr_analyze_indices): Add a reference to access_fn_component_p.
7098         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
7099         DR_ACCESS_FN.
7100         (constant_access_functions): Likewise.
7101         (add_other_self_distances): Likewise.
7102         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
7103         (initialize_data_dependence_relation): Use XCNEW and remove
7104         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
7105         of access functions that have the same type.  Allow the
7106         subsequence to end with different bases in some circumstances.
7107         Record the chosen access functions in SUB_ACCESS_FN.
7108         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
7109         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
7110         (subscript_dependence_tester_1): Likewise dra and drb.
7111         (build_classic_dist_vector): Update calls accordingly.
7112         (subscript_dependence_tester): Likewise.
7113         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
7114         DDR_COULD_BE_INDEPENDENT_P.
7115         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
7116         comp_alias_ddrs instead of may_alias_ddrs.
7117         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
7118         New function.
7119         (vect_analyze_data_ref_dependence): Use it if
7120         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
7121         distance vectors if that fails.
7122         (dependence_distance_ge_vf): New function.
7123         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
7124         LOOP_VINFO_MAY_ALIAS_DDRS.
7126 2017-08-04  Richard Biener  <rguenther@suse.de>
7128         PR middle-end/81705
7129         * fold-const.c (fold_binary_loc): Properly restrict
7130         minus_var0 && minus_var1 case when associating undefined overflow
7131         entities.
7133 2017-08-04  Tom de Vries  <tom@codesourcery.com>
7135         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
7137 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7139         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7140         Don't start diagnostic messages with a capital letter.
7141         * config/rs6000/rs6000.c (rs6000_option_override_internal):
7142         Likewise.
7143         (rs6000_invalid_builtin): Likewise.
7144         (rs6000_trampoline_init): Likewise.
7146 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
7148         PR target/81621
7149         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
7150         after setting changeable df flags.
7152 2017-08-03  Richard Biener  <rguenther@suse.de>
7154         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
7155         up if the use is in USE - X.
7157 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
7159         * toplev.c (dumpfile.h): New include.
7160         (internal_error_reentered): New static function.  Use it...
7161         (internal_error_function): ...here to handle reentered internal_error.
7163 2017-08-03  Richard Biener  <rguenther@suse.de>
7165         PR middle-end/81148
7166         * fold-const.c (split_tree): Add minus_var and minus_con
7167         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
7168         here but always use minus_*.
7169         (associate_trees): Assert we never associate with MINUS_EXPR
7170         and NULL first operand.  Do not recurse for PLUS_EXPR operands
7171         when associating as MINUS_EXPR either.
7172         (fold_binary_loc): Track minus_var and minus_con.
7174 2017-08-03  Tom de Vries  <tom@codesourcery.com>
7176         PR lto/81430
7177         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
7178         ACCEL_COMPILER, apply finish_options on
7179         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
7181 2017-08-03  Tom de Vries  <tom@codesourcery.com>
7183         PR target/81662
7184         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
7185         function_entry_patch_area_size > 0.
7187 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
7189         PR driver/81650
7190         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
7191         instead of 10??LU, perform unit multiplication in wide_int,
7192         don't change alloc_object_size_limit if the limit is larger
7193         than SSIZE_MAX.
7195         PR tree-optimization/81655
7196         PR tree-optimization/81588
7197         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
7198         the case when ranges[i].low and high are 1 for unsigned type with
7199         precision 1.
7201         PR middle-end/81052
7202         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
7203         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
7205 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7207         * tree-vrp.h: Add include guard.
7209 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
7211         PR target/81644
7212         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
7213         (ud2): New insn pattern.
7214         * config/i386/i386.c (ix86_expand_epilogue):
7215         For naked functions, generate ud2 instead of trap insn.
7217 2017-08-02  Marek Polacek  <polacek@redhat.com>
7219         PR other/81667
7220         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
7222 2017-08-02  Tom de Vries  <tom@codesourcery.com>
7223             Cesar Philippidis  <cesar@codesourcery.com>
7225         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
7226         Add missing edge probabilities.
7228 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
7230         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
7231         Correct endianness.
7233 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
7235         PR middle-end/79499
7236         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
7237         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
7238         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
7239         prologue_seq sequences - if any.
7241 2017-08-02  Richard Biener  <rguenther@suse.de>
7243         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
7244         via vectors if supported, integer extracts via punning if supported
7245         or otherwise vector extracts.
7247 2017-08-02  Richard Biener  <rguenther@suse.de>
7249         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
7250         into ...
7251         (bitmap_insert_into_set): ... this.
7253 2017-08-02  Richard Biener  <rguenther@suse.de>
7255         PR tree-optimization/81633
7256         Revert
7257         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
7259         PR tree-optimization/71752
7260         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
7262 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
7264         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
7265         (machine_function::call_ms2sysv_pad_out): Remove field.
7266         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
7267         (ix86_compute_frame_layout): Likewise.
7269 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
7271         PR target/81654
7272         * config/i386/i386.c (ix86_set_func_type): Disallow naked
7273         attribute with interrupt attribute.
7275 2017-08-01  Andrew Pinski  <apinski@cavium.com>
7277         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
7278         BIT_INSERT_EXPR's operand 1
7279         to see if the types precision matches.
7281 2017-08-01  Martin Liska  <mliska@suse.cz>
7283         PR middle-end/70140
7284         * builtins.c (expand_builtin_memcpy_args): Remove.
7285         (expand_builtin_memcpy): Call newly added function
7286         expand_builtin_memory_copy_args.
7287         (expand_builtin_memcpy_with_bounds): Likewise.
7288         (expand_builtin_mempcpy): Remove last argument.
7289         (expand_builtin_mempcpy_with_bounds): Likewise.
7290         (expand_builtin_memory_copy_args): New function created from
7291         expand_builtin_mempcpy_args with small modifications.
7292         (expand_builtin_mempcpy_args): Remove.
7293         (expand_builtin_stpcpy): Remove unused argument.
7294         (expand_builtin): Likewise.
7295         (expand_builtin_with_bounds): Likewise.
7297 2017-08-01  Martin Liska  <mliska@suse.cz>
7299         Revert r250771
7300         Make mempcpy more optimal (PR middle-end/70140).
7302 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
7304         PR target/81622
7305         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
7306         __builtin_vec_cmpne verify both arguments are compatible vectors
7307         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
7308         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
7309         move computation of aligned to after checking the argument types.
7310         Formatting fixes.
7312         PR target/80846
7313         * config/rs6000/vsx.md (vextract_fp_from_shorth,
7314         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
7315         calls.
7317 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
7318             Doug Rupp  <rupp@adacore.com>
7319             Olivier Hainque  <hainque@adacore.com>
7321         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
7322         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
7323         arm8 (arch v4).
7324         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
7325         for TARGET_OS_CPP_BUILTIN.
7326         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
7327         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
7328         arm_arch7.
7329         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
7330         passing required abi options to the assembler for EABI configurations.
7331         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
7332         of .text.hot and .text.unlikely sections for kernel modules when
7333         using ARM style exceptions.
7334         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
7335         options. Add EXTRA_CC1_SPEC.
7336         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
7337         toolchain options.
7338         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
7339         transition.
7340         (ARM_TARGET2_DWARF_FORMAT): Define.
7341         * config/arm/t-vxworks: Adjust multilib control to removal of the
7342         Diab command line options.
7344 2017-08-01  Martin Liska  <mliska@suse.cz>
7346         PR gcov-profile/81561
7347         * gcov.c (unblock): Make unblocking safe as we need to preserve
7348         index correspondence of blocks and block_lists.
7350 2017-08-01  Richard Biener  <rguenther@suse.de>
7352         PR tree-optimization/81181
7353         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
7354         (compute_antic): ... end of iteration here.
7356 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
7358         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
7359         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
7360         (ftree-slp-vectorize): Likewise.
7361         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
7362         can no longer be set independent of flag_tree_loop_vectorize.
7363         * omp-general.c (emp_max_vf): Likewise.
7364         * opts.c (enable_fdo_optimizations): Remove references to
7365         flag_tree_vectorize, these are now implicit.
7366         (common_handle_option): Remove handling for OPT_ftree_vectorize,
7367         and leave it for the options machinery.
7369 2017-08-01  Martin Liska  <mliska@suse.cz>
7371         PR middle-end/70140
7372         * builtins.c (expand_builtin_memcpy_args): Remove.
7373         (expand_builtin_memcpy): Call newly added function
7374         expand_builtin_memory_copy_args.
7375         (expand_builtin_memcpy_with_bounds): Likewise.
7376         (expand_builtin_mempcpy): Remove last argument.
7377         (expand_builtin_mempcpy_with_bounds): Likewise.
7378         (expand_builtin_memory_copy_args): New function created from
7379         expand_builtin_mempcpy_args with small modifications.
7380         (expand_builtin_mempcpy_args): Remove.
7381         (expand_builtin_stpcpy): Remove unused argument.
7382         (expand_builtin): Likewise.
7383         (expand_builtin_with_bounds): Likewise.
7385 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
7387         PR target/81641
7388         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
7389         print "ds:" only for immediates in generic address space.
7391 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
7393         PR target/81639
7394         * config/i386/i386.c (ix86_funciton_naked): New prototype.
7395         (ix86_function_ok_for_sibcall): Return false for naked functions.
7397 2017-08-01  Richard Biener  <rguenther@suse.de>
7399         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
7400         (compute_antic): Seed worklist with exit block predecessors.
7401         * cfganal.c (dfs_find_deadend): For a cycle return the source
7402         of the edge closing it.
7404 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
7406         * config/aarch64/aarch64.c
7407         (aarch64_can_const_movi_rtx_p): Move 0 check.
7409 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7411         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
7412         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
7413         above macro.
7414         * match.pd: Ditto in address comparison pattern.
7416 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7418         PR tree-optimization/81627
7419         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
7420         closed ssa form for store-store chain.
7422 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7424         PR tree-optimization/81620
7425         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
7426         for store-store chain.
7428 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
7430         PR tree-optimization/81588
7431         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
7432         ranges[i].in_p, invert comparison code ccode.  For >/>=,
7433         swap rhs1 and rhs2 and comparison code unconditionally,
7434         for </<= don't do that.  Don't swap rhs1/rhs2 again if
7435         ranges[i].in_p, instead invert comparison code ccode if
7436         opcode or oe->rank is BIT_IOR_EXPR.
7438         PR target/80846
7439         * optabs.def (vec_extract_optab, vec_init_optab): Change from
7440         a direct optab to conversion optab.
7441         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
7442         with GET_MODE_INNER as last argument instead of optab_handler.
7443         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
7444         vector extraction if possible and optab is available.
7445         * expr.c (store_constructor): Use convert_optab_handler instead
7446         of optab_handler.  Use vector initialization from smaller
7447         vectors if possible and optab is available.
7448         * tree-vect-stmts.c (vectorizable_load): Likewise.
7449         * doc/md.texi (vec_extract, vec_init): Document that the optabs
7450         now have two modes.
7451         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
7452         of vec_init from half-sized vectors with the same element mode.
7453         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
7454         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
7455         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
7456         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
7457         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
7458         after mode in gen_vec_extract* calls.
7459         (vec_extract<mode>): Renamed to ...
7460         (vec_extract<mode><ssescalarmodelower>): ... this.
7461         (vec_extract<mode><ssehalfvecmodelower>): New expander.
7462         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
7463         element mode after mode in gen_vec_init* calls.
7464         (VEC_INIT_HALF_MODE): New mode iterator.
7465         (vec_init<mode>): Renamed to ...
7466         (vec_init<mode><ssescalarmodelower>): ... this.
7467         (vec_init<mode><ssehalfvecmodelower>): New expander.
7468         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
7469         (vec_extractv2sfsf): ... this.
7470         (vec_initv2sf): Renamed to ...
7471         (vec_initv2sfsf): ... this.
7472         (vec_extractv2si): Renamed to ...
7473         (vec_extractv2sisi): ... this.
7474         (vec_initv2si): Renamed to ...
7475         (vec_initv2sisi): ... this.
7476         (vec_extractv4hi): Renamed to ...
7477         (vec_extractv4hihi): ... this.
7478         (vec_initv4hi): Renamed to ...
7479         (vec_initv4hihi): ... this.
7480         (vec_extractv8qi): Renamed to ...
7481         (vec_extractv8qiqi): ... this.
7482         (vec_initv8qi): Renamed to ...
7483         (vec_initv8qiqi): ... this.
7484         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
7485         (vec_init<mode>): Renamed to ...
7486         (vec_init<mode><VEC_base_l>): ... this.
7487         (vec_extract<mode>): Renamed to ...
7488         (vec_extract<mode><VEC_base_l>): ... this.
7489         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
7490         (vec_initv2sfsf): ... this.
7491         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
7492         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
7493         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
7494         element mode after mode in gen_vec_init* calls.
7495         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
7496         (vec_init<mode><Vel>): ... this.
7497         (vec_extract<mode>): Renamed to ...
7498         (vec_extract<mode><Vel>): ... this.
7499         * config/aarch64/iterators.md (Vel): New mode attribute.
7500         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
7501         Add element mode after mode in gen_vec_extract* calls.
7502         * config/s390/vector.md (non_vec_l): New mode attribute.
7503         (vec_extract<mode>): Renamed to ...
7504         (vec_extract<mode><non_vec_l>): ... this.
7505         (vec_init<mode>): Renamed to ...
7506         (vec_init<mode><non_vec_l>): ... this.
7507         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
7508         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
7509         vec_extract mode.
7510         * config/arm/iterators.md (V_elem_l): New mode attribute.
7511         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
7512         (vec_extract<mode><V_elem_l>): ... this.
7513         (vec_extractv2di): Renamed to ...
7514         (vec_extractv2didi): ... this.
7515         (vec_init<mode>): Renamed to ...
7516         (vec_init<mode><V_elem_l>): ... this.
7517         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
7518         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
7519         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
7520         Add element mode after gen_vec_extract* calls.
7521         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
7522         (vec_init<mode><unitmode>): ... this.
7523         (vec_extract<mode>): Renamed to ...
7524         (vec_extract<mode><unitmode>): ... this.
7525         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
7526         (vec_init<mode><unitmode>): ... this.
7527         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
7528         (vec_initv2sfsf): ... this.
7529         (vec_extractv2sf): Renamed to ...
7530         (vec_extractv2sfsf): ... this.
7531         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
7532         Add element mode after gen_vec_extract* calls.
7533         * config/mips/mips.md (unitmode): New mode iterator.
7534         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
7535         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
7536         * config/spu/spu.md (inner_l): New mode attribute.
7537         (vec_init<mode>): Renamed to ...
7538         (vec_init<mode><inner_l>): ... this.
7539         (vec_extract<mode>): Renamed to ...
7540         (vec_extract<mode><inner_l>): ... this.
7541         * config/sparc/sparc.md (veltmode): New mode iterator.
7542         (vec_init<VMALL:mode>): Renamed to ...
7543         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
7544         * config/ia64/vect.md (vec_initv2si): Renamed to ...
7545         (vec_initv2sisi): ... this.
7546         (vec_initv2sf): Renamed to ...
7547         (vec_initv2sfsf): ... this.
7548         (vec_extractv2sf): Renamed to ...
7549         (vec_extractv2sfsf): ... this.
7550         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
7551         (vec_init<mode>): Renamed to ...
7552         (vec_init<mode><VEC_base_l>): ... this.
7553         (vec_extract<mode>): Renamed to ...
7554         (vec_extract<mode><VEC_base_l>): ... this.
7555         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
7556         (vec_initv2sfsf): ... this.
7557         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
7558         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
7559         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
7560         gen_vec_init* calls.
7562 2017-08-01  Richard Biener  <rguenther@suse.de>
7564         PR tree-optimization/81297
7565         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
7566         TREE_OVERFLOW from INTEGER_CSTs.
7568 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
7570         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
7572 2017-07-31  Carl Love  <cel@us.ibm.com>
7574         * config/rs6000/rs6000-c: Add support for built-in functions
7575         vector signed char vec_xl_be (signed long long, signed char *);
7576         vector unsigned char vec_xl_be (signed long long, unsigned char *);
7577         vector signed int vec_xl_be (signed long long, signed int *);
7578         vector unsigned int vec_xl_be (signed long long, unsigned int *);
7579         vector signed long long vec_xl_be (signed long long, signed long long *);
7580         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
7581         vector signed short vec_xl_be (signed long long, signed short *);
7582         vector unsigned short vec_xl_be (signed long long, unsigned short *);
7583         vector double vec_xl_be (signed long long, double *);
7584         vector float vec_xl_be (signed long long, float *);
7585         * config/rs6000/altivec.h (vec_xl_be): Add #define.
7586         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
7587         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
7588         for the builtins.
7589         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
7590         (altivec_expand_builtin): Add switch statement to call
7591         altivec_expand_xl_be for each builtin.
7592         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
7593         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
7594         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
7595         __builtin_vsx_le_be_v16qi.
7596         * doc/extend.texi: Update the built-in documentation file for the
7597         new built-in functions.
7599 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
7601         PR target/25967
7602         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
7603         New function.
7604         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
7606 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7608         * config.gcc: Add z14.
7609         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
7610         CPU model numbers for z13s and z14.
7611         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
7612         arch12 with z14.
7613         * config/s390/s390-opts.h (enum processor_type): Rename
7614         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
7615         * config/s390/s390.c (processor_table): Add field for CPU name to
7616         be passed to Binutils.
7617         (s390_asm_output_machine_for_arch): Use the new field in
7618         processor_table for Binutils.
7619         (s390_expand_builtin): Replace arch12 with z14.
7620         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
7621         (s390_get_sched_attrmask): Likewise.
7622         (s390_get_unit_mask): Likewise.
7623         * config/s390/s390.opt: Add z14 to processor_type enum.
7625 2017-07-31  Martin Jambor  <mjambor@suse.cz>
7627         PR hsa/81477
7628         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
7629         regardless of optimization level.
7631 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
7632             Martin Liska  <mliska@suse.cz>
7634         * predict.def: Remove old comment and adjust probability.
7635         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
7636         PREDICT statements.
7638 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
7640         PR target/25967
7641         * config/i386/i386.c (ix86_function_naked): New function.
7642         (ix86_can_use_return_insn_p): Return false for naked functions.
7643         (ix86_expand_prologue): Skip prologue for naked functions.
7644         (ix86_expand_epilogue): Skip epilogue for naked functions
7645         and emit trap instruction.
7646         (ix86_warn_func_return): New function.
7647         (ix86_attribute_table): Add "naked" attribute specification.
7648         (TARGET_WARN_FUNC_RETURN): Define.
7649         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
7651 2017-07-31  Martin Liska  <mliska@suse.cz>
7653         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
7654         (dump_gimple_bb_header): Always dump BB info.
7655         (pp_cfg_jump): Do not append info about BB when dumping a jump.
7657 2017-07-31  Martin Liska  <mliska@suse.cz>
7659         PR sanitize/81530
7660         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
7661         also with current_function_decl non-null equality.
7663 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
7665         PR sanitizer/81604
7666         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
7667         change type to the element type, instead add eltype variable and
7668         use it where we are interested in the element type.
7670         PR tree-optimization/81603
7671         * ipa-polymorphic-call.c
7672         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
7673         offset arithmetic in offset_int, bail out if the resulting bit offset
7674         doesn't fit into shwi.
7676 2017-07-31  Martin Liska  <mliska@suse.cz>
7678         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
7679         (gimplify_save_expr): Fix comment.
7681 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
7683         PR target/79793
7684         * config/i386/i386.c (ix86_function_arg): Update arguments for
7685         exception handler.
7686         (ix86_compute_frame_layout): Set the initial stack offset to
7687         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
7688         INCOMING_FRAME_SP_OFFSET.
7689         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
7690         stack before exception handler returns.
7691         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
7692         the 'ERROR_CODE' for exception handler.
7694 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
7696         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
7697         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
7698         (ASM_OUTPUT_REG_POP): Ditto.
7699         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
7700         instead of asm_fprintf to output pure string.
7702 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
7704         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
7705         to imported_module_or_decl hook.
7706         (debug_nothing_tree_tree_tree_bool): Remove.
7707         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
7708         * debug.c (do_nothing_debug_hooks): Use
7709         debug_nothing_tree_tree_tree_bool_bool instead of
7710         debug_nothing_tree_tree_tree_bool.
7711         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7712         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
7713         * sdbout.c (sdb_debug_hooks): Likewise.
7714         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
7715         (gen_namespace_die): Add DW_AT_export_symbols attribute if
7716         langhook wants it.
7717         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
7718         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
7719         attribute, don't add anything.
7721 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7723         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
7724         (fold_build2_stat_loc): Likewise.
7725         (fold_build3_stat_loc): Likewise.
7726         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
7727         (fold_build1_loc): Remove macro.
7728         (fold_build2_loc): Likewise.
7729         (fold_build3_loc): Likewise.
7731 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7733         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
7734         (gimple_build_debug_bind_source_stat): Likewise.
7735         * gimple.h (gimple_build_debug_bind): Remove macro.
7736         (gimple_build_debug_bind_source): Likewise.
7738 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7740         * bitmap.c (bitmap_alloc): Adjust.
7741         (bitmap_gc_alloc): Likewise.
7742         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
7744 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7746         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
7747         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
7748         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
7749         (bitmap_gc_alloc_stat): Likewise.
7750         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
7752 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7754         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
7755         * rtl.h (shallow_copy_rtx): Remove macro.
7757 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7759         * emit-rtl.c (gen_raw_REG): Adjust.
7760         * gengenrtl.c (gendef): Likewise.
7761         * rtl.c (rtx_alloc_stat): Remove _stat from name.
7762         * rtl.h (rtx_alloc): Remove macro.
7764 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7766         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
7767         (build_tree_list_stat): Likewise.
7768         * tree.h (build_tree_list): Remove macro.
7769         (build_tree_list_vec): Likewise.
7771 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7773         * tree.c (make_vector_stat): Remove _stat from name.
7774         (build_vector_stat): Likewise.
7775         * tree.h (make_vector_stat): Remove macro.
7776         (build_vector_stat): Likewise.
7778 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7780         * tree.h (build_var_debug_value): Remove prototype.
7782 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7784         * tree.c (tree_cons_stat): Remove _stat from name.
7785         * tree.h (tree_cons): Remove macro.
7787 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7789         * tree.c (build_vl_exp_stat): Remove _stat from name.
7790         * tree.h (build_vl_exp): Remove macro.
7792 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7794         * tree.c (build_decl_stat): Remove _stat from name.
7795         * tree.h (build_decl): Remove macro.
7797 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7799         * gimple.c (gimple_build_with_ops_stat): Adjust.
7800         (gimple_alloc_stat): Remove _stat from name.
7801         * gimple.h (gimple_alloc): Remove macro.
7803 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7805         * tree.c (make_tree_vec_stat): Remove _stat from name.
7806         (grow_tree_vec_stat): Likewise.
7807         * tree.h (make_tree_vec_stat): Adjust prototype.
7808         (grow_tree_vec_stat): Likewise.
7809         (make_tree_vec): Remove macro.
7810         (grow_tree_vec): Likewise.
7812 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7814         * fold-const.c (fold_build1_stat_loc): Adjust.
7815         (fold_build2_stat_loc): Likewise.
7816         (fold_build3_stat_loc): Likewise.
7817         * tree.c (build0_stat): Remove _stat from name.
7818         (build1_stat): Likewise.
7819         (build2_stat): Likewise.
7820         (build3_stat): Likewise.
7821         (build4_stat): Likewise.
7822         (build5_stat): Likewise.
7823         * tree.h (build1_loc): Remove macro, and rename _stat function
7824         to this.
7825         (build2_loc): Likewise.
7826         (build3_loc): Likewise.
7827         (build4_loc): Likewise.
7828         (build5_loc): Likewise.
7830 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7832         * tree.c (make_int_cst_stat): Remove _stat from name.
7833         * tree.h (make_int_cst_stat): Adjust prototype.
7834         (make_int_cst): Remove macro.
7836 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7838         * tree.c (make_tre_binfo_stat): Remove _stat from name.
7839         * tree.h (make_tree_binfo_stat): Adjust prototype.
7840         (make_tree_binfo): Remove.
7842 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7844         * tree.c (copy_node_stat): Rename to copy_node.
7845         (build_distinct_type_copy): Adjust.
7846         * tree.h (copy_node_stat): Adjust prototype.
7847         (copy_node): Remove macro.
7849 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7851         * tree.c (make_node_stat): rename to make_node.
7852         (build_tree_list_stat): Adjust.
7853         (build0_stat): Likewise.
7854         (build2_stat): Likewise.
7855         (build3_stat): Likewise.
7856         (build4_stat): Likewise.
7857         (build5_stat): Likewise.
7858         (build_decl_stat): Likewise.
7859         * tree.h (make_node_stat): Adjust prototype.
7860         (make_node): remove macro.
7862 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
7864         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
7865         (PPC_FEATURE2_SCV): Likewise.
7866         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
7868 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7870         * config/aarch64/aarch64.c
7871         (aarch64_internal_mov_immediate): Add new special pattern.
7872         * config/aarch64/aarch64.md (*movdi_aarch64):
7873         Add reg/32bit const mov case.
7875 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7876             Richard Sandiford <richard.sandiford@linaro.org>
7878         * config/aarch64/aarch64.md (mov<mode>): Generalize.
7879         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
7880         Add integer and movi cases.
7881         (movi-split-hf-df-sf split, fp16): New.
7882         (enabled): Added TARGET_FP_F16INST.
7883         * config/aarch64/iterators.md (GPF_HF): New.
7884         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
7886 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7888         * config/aarch64/aarch64.c
7889         (aarch64_simd_container_mode): Add prototype.
7890         (aarch64_expand_mov_immediate): Add HI support.
7891         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
7892         (aarch64_can_const_movi_rtx_p): New.
7893         (aarch64_preferred_reload_class):
7894         Remove restrictions of using FP registers for certain SIMD operations.
7895         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
7896         (aarch64_valid_floating_const): Add integer move validation.
7897         (aarch64_simd_imm_scalar_p): Remove.
7898         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
7899         (aarch64_legitimate_constant_p): Expand list of supported cases.
7900         * config/aarch64/aarch64-protos.h
7901         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
7902         (aarch64_reinterpret_float_as_int): New.
7903         (aarch64_simd_imm_scalar_p): Remove.
7904         * config/aarch64/constraints.md (Uvi): New.
7905         (Dd): Split into Ds and new Dd.
7906         * config/aarch64/aarch64.md (*movsi_aarch64):
7907         Add SIMD mov case.
7908         (*movdi_aarch64): Add SIMD mov case.
7910 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7912         * tree-predcom.c: (struct chain): Handle store-store chain in which
7913         stores for elimination only store loop invariant values.
7914         (execute_pred_commoning_chain): Ditto.
7915         (prepare_initializers_chain_store_elim): Ditto.
7916         (prepare_finalizers): Ditto.
7917         (is_inv_store_elimination_chain): New function.
7918         (initialize_root_vars_store_elim_1): New function.
7920 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7922         * tree-predcom.c: Revise general description of the pass.
7923         (enum chain_type): New enum type for store elimination.
7924         (struct chain): New field supporting store elimination.
7925         (struct component): Ditto.
7926         (dump_chain): Dump store-stores chain.
7927         (release_chain): Release resources.
7928         (split_data_refs_to_components): Compute and create component
7929         contains only stores for elimination.
7930         (get_chain_last_ref_at): New function.
7931         (make_invariant_chain): Initialization.
7932         (make_rooted_chain): Specify chain type in parameter and record it.
7933         (add_looparound_copies): Skip for store-stores chain.
7934         (determine_roots_comp): Compute type of chain and pass it to
7935         make_rooted_chain.
7936         (initialize_root_vars_store_elim_2): New function.
7937         (finalize_eliminated_stores): New function.
7938         (remove_stmt): Handle store for elimination.
7939         (execute_pred_commoning_chain): Execute predictive commoning on
7940         store-store chains.
7941         (determine_unroll_factor): Skip unroll for store-stores chain.
7942         (prepare_initializers_chain_store_elim): New function.
7943         (prepare_initializers_chain): Hanlde store-store chain.
7944         (prepare_finalizers_chain, prepare_finalizers): New function.
7945         (tree_predictive_commoning_loop): Return integer value indicating
7946         if loop is unrolled or lcssa form is corrupted.
7947         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
7949 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7951         * tree-predcom.c (initialize_root): Delete.
7952         (execute_pred_commoning_chain): Initialize root vars and replace
7953         reference of non-combined chain directly, rather than call above
7954         function.
7956 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7958         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
7959         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
7961 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7963         * tree-predcom.c (struct chain): New field init_seq.
7964         (release_chain): Release init_seq.
7965         (prepare_initializers_chain): Record intialization stmts in above
7966         field.
7967         (insert_init_seqs): New function.
7968         (tree_predictive_commoning_loop): Call insert_init_seqs.
7970 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7972         * tree-predcom.c (determine_roots_comp): Skip trivial components.
7974 2017-07-28  Richard Biener  <rguenther@suse.de>
7976         * match.pd: Remove superfluous :c.
7977         * genmatch.c (simplify::id): Add member.
7978         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
7979         Copy id.
7980         (current_id): New global.
7981         (dt_node::parent): Move from ...
7982         (dt_operand::parent): ... here.  Add for_id member.
7983         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
7984         (decision_tree::find_node): Relax order requirement when
7985         merging DT_TRUE nodes to ones inbetween the current simplify
7986         and the one we try to merge with.  Add diagnostic whenever
7987         we need to enforce pattern order by not merging.
7988         (decision_tree::insert): Set current_id.
7989         (decision_tree::print_node): Dump parent node and for_id.
7990         (parser::last_id): Add member.
7991         (parser::push_simplify): Assign unique id.
7992         (parser::parser): Initialize last_id.
7994 2017-07-28  Martin Liska  <mliska@suse.cz>
7996         PR sanitizer/81340
7997         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
7998         gimple_build_debug_bind.
8000 2017-07-28  Richard Biener  <rguenther@suse.de>
8002         PR tree-optimization/81502
8003         * match.pd: Add pattern combining BIT_INSERT_EXPR with
8004         BIT_FIELD_REF.
8005         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
8006         size/pos operands.
8007         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
8008         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
8009         for BIT_FIELD_REF args.
8010         * fold-const.c (make_bit_field_ref): Likewise.
8011         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
8013 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
8015         PR sanitizer/80998
8016         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
8017         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
8018         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
8019         Or it into SANITIZER_UNDEFINED.
8020         * ubsan.c: Include gimple-fold.h and varasm.h.
8021         (ubsan_expand_ptr_ifn): New function.
8022         (instrument_pointer_overflow): New function.
8023         (maybe_instrument_pointer_overflow): New function.
8024         (instrument_object_size): Formatting fix.
8025         (pass_ubsan::execute): Call instrument_pointer_overflow
8026         and maybe_instrument_pointer_overflow.
8027         * internal-fn.c (expand_UBSAN_PTR): New function.
8028         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
8029         * sanitizer.def (__ubsan_handle_pointer_overflow,
8030         __ubsan_handle_pointer_overflow_abort): New builtins.
8031         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
8032         * internal-fn.def (UBSAN_PTR): New internal function.
8033         * opts.c (sanitizer_opts): Add pointer-overflow.
8034         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
8035         * fold-const.c (build_range_check): Compute pointer range check in
8036         integral type if pointer arithmetics would be needed.  Formatting
8037         fixes.
8039 2017-07-28  Martin Liska  <mliska@suse.cz>
8041         PR sanitizer/81460
8042         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
8043         parameters that are of a variable-length.
8045 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8047         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
8048         rs6000/biarch64.h.
8049         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
8050         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8051         (CRT_CALL_STATIC_FUNCTION): Likewise.
8052         (ASM_DEFAULT_SPEC): New define.
8053         (ASM_SPEC32): Likewise.
8054         (ASM_SPEC64): Likewise.
8055         (ASM_SPEC_COMMON): Likewise.
8056         (ASM_SPEC): Likewise.
8057         (INVALID_64BIT): Likewise.
8058         (LINK_OS_DEFAULT_SPEC): Likewise.
8059         (LINK_OS_SPEC32): Likewise.
8060         (LINK_OS_SPEC64): Likewise.
8061         (POWERPC_LINUX): Likewise.
8062         (PTRDIFF_TYPE): Likewise.
8063         (RESTORE_FP_PREFIX): Likewise.
8064         (RESTORE_FP_SUFFIX): Likewise.
8065         (SAVE_FP_PREFIX): Likewise.
8066         (SAVE_FP_SUFFIX): Likewise.
8067         (SIZE_TYPE): Likewise.
8068         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8069         (TARGET_64BIT): Likewise.
8070         (TARGET_64BIT): Likewise.
8071         (TARGET_AIX): Likewise.
8072         (WCHAR_TYPE_SIZE): Likewise.
8073         (WCHAR_TYPE): Undefine.
8074         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
8075         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
8076         (CPP_OS_RTEMS_SPEC): Delete.
8077         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
8078         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
8079         link_os_spec64.
8080         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
8082 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
8084         PR tree-optimization/81578
8085         * tree-parloops.c (build_new_reduction): Bail out if
8086         reduction_code isn't one of the standard OpenMP reductions.
8087         Move the details printing after that decision.
8089 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
8091         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
8092         related to reload_in_progress.
8093         (splat_input_operand): Likewise.
8094         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8095         Delete prototype.
8096         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
8097         field.
8098         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
8099         (TARGET_INSTANTIATE_DECLS): Likewise.
8100         (legitimate_indexed_address_p): Delete reload_in_progress code.
8101         (rs6000_debug_legitimate_address_p): Likewise.
8102         (rs6000_eliminate_indexed_memrefs): Likewise.
8103         (rs6000_emit_le_vsx_store): Likewise.
8104         (rs6000_emit_move_si_sf_subreg): Likewise.
8105         (rs6000_emit_move): Likewise.
8106         (register_to_reg_type): Likewise.
8107         (rs6000_pre_atomic_barrier): Likewise.
8108         (rs6000_machopic_legitimize_pic_address): Likewise.
8109         (rs6000_allocate_stack_temp): Likewise.
8110         (rs6000_address_for_fpconvert): Likewise.
8111         (rs6000_address_for_altivec): Likewise.
8112         (rs6000_secondary_memory_needed_rtx): Delete function.
8113         (rs6000_check_sdmode): Likewise.
8114         (rs6000_alloc_sdmode_stack_slot): Likewise.
8115         (rs6000_instantiate_decls): Likewise.
8116         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
8117         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
8118         Delete reload_in_progress.
8119         (*vec_reload_and_plus_<mptrsize>): Likewise.
8120         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
8121         (vsx_div_v2di): Likewise.
8122         (vsx_udiv_v2di): Likewise.
8124 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
8126         * config/rs6000/rs6000.opt (mlra): Replace with stub.
8127         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
8128         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
8129         (rs6000_debug_reg_global): Delete print of LRA status.
8130         (rs6000_option_override_internal): Delete dead LRA related code.
8131         (rs6000_lra_p): Delete function.
8132         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
8134 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8136         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
8137         * config/riscv/rtems.h: New file.
8139 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8140             Sudakshina Das  <sudi.das@arm.com>
8142         * config/aarch64/aarch64.md
8143         (define_split for and<mode>3nr_compare): Move
8144         non aarch64_logical_operand to a register.
8145         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
8146         register immediate operand to a register.
8147         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
8149 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
8151         PR middle-end/81564
8152         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
8154 2017-07-27  Richard Biener  <rguenther@suse.de>
8156         PR tree-optimization/81573
8157         PR tree-optimization/81494
8158         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
8159         multi defuse cycle case.
8161 2017-07-27  Richard Biener  <rguenther@suse.de>
8163         PR tree-optimization/81571
8164         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
8165         PHIs.
8167 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
8169         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
8170         earlier and only if MASK_FPU is set.  Adjust formatting.
8172 2017-07-27  Martin Liska  <mliska@suse.cz>
8174         * opt-functions.awk: Add validation of value of Init.
8175         * optc-gen.awk: Pass new argument.
8177 2017-07-27  Martin Liska  <mliska@suse.cz>
8179         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
8180         Fix wrong condition.
8182 2017-07-27  Martin Liska  <mliska@suse.cz>
8184         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
8185         BBs and edges seen by autoFDO.
8187 2017-07-27  Richard Biener  <rguenther@suse.de>
8189         PR tree-optimization/81502
8190         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
8191         with incompatible but same sized type.
8192         (execute_update_addresses_taken): Likewise.
8194 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
8196         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
8197         flag_tree_loop_vectorize rather than flag_tree_vectorize.
8199 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8201         PR target/81534
8202         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
8203         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
8204         Change s_operand to memory_operand.
8206 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
8208         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
8209         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
8210         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
8211         Emit instructions rather than returning an expression.  Handle TFmode
8212         and KFmode by casting to TImode.
8213         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
8214         (rs6000_emit_le_vsx_store): Likewise.
8215         * config/rs6000/vsx.md (VSX_TI): New iterator.
8216         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
8217         (*vsx_le_undo_permute_<mode>): Likewise.
8218         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
8219         emit the split sequence.
8220         (*vsx_le_perm_store_<mode>): Likewise.
8222 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
8224         PR tree-optimization/81555
8225         PR tree-optimization/81556
8226         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
8227         if true, force CHANGED for the recursive invocation.
8228         (reassociate_bb): Remember original length of ops array, pass
8229         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
8231         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
8232         attributes for noipa attribute.  For naked attribute use
8233         lookup_attribute first before lookup_attribute_spec.
8234         * final.c (rest_of_handle_final): Disable IPA RA for functions with
8235         noipa attribute.
8236         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
8237         for functions with noipa attribute.
8238         (cgraph_externally_visible_p): Return true for functions with noipa
8239         attribute.
8240         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
8241         for functions with noipa attribute.
8242         * doc/extend.texi: Document noipa function attribute.
8243         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
8244         also for functions with noipa attribute.
8245         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
8247 2017-07-26  Andrew Pinski  <apinski@cavium.com>
8249         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
8250         vec_unalign_load_cost and vec_unalign_store_cost.
8252 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
8254         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
8255         -mvsx-small-integer option.
8256         (ISA_3_0_MASKS_IEEE): Likewise.
8257         (OTHER_VSX_VECTOR_MASKS): Likewise.
8258         (POWERPC_MASKS): Likewise.
8259         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
8260         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
8261         code, only testing for DImode being allowed in non-VSX floating
8262         point registers.
8263         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
8264         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
8265         another VSX test.
8266         (rs6000_option_override_internal): Delete -mvsx-small-integer.
8267         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
8268         TARGET_P8_VECTOR test.
8269         (rs6000_secondary_reload_simple_move): Likewise.
8270         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
8271         since TARGET_P9_VECTOR was already tested.
8272         (rs6000_opt_masks): Remove -mvsx-small-integer.
8273         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
8274         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8275         used.
8276         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
8277         test for TARGET_VEXTRACTUB was used, and that uses
8278         TARGET_P9_VECTOR.
8279         (p9 extract splitter): Likewise.
8280         (vsx_extract_<mode>_di_p9): Likewise.
8281         (vsx_extract_<mode>_store_p9): Likewise.
8282         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
8283         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
8284         the elimination of TARGET_VSX_SMALL_INTEGER.
8285         (vsx_extract_<mode>_p8): Likewise.
8286         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
8287         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
8288         (vsx_set_<mode>_p9): Likewise.
8289         (vsx_set_v4sf_p9): Likewise.
8290         (vsx_set_v4sf_p9_zero): Likewise.
8291         (vsx_insert_extract_v4sf_p9): Likewise.
8292         (vsx_insert_extract_v4sf_p9_2): Likewise.
8293         * config/rs6000/rs6000.md (sign extend splitter): Change
8294         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
8295         (floatsi<mode>2_lfiwax_mem): Likewise.
8296         (floatunssi<mode>2_lfiwzx_mem): Likewise.
8297         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
8298         since a test for TARGET_P9_VECTOR was used.
8299         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8300         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
8301         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8302         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
8303         TARGET_P8_VECTOR test.
8304         (fix_trunc<mode>si2_stfiwx): Likewise.
8305         (fix_trunc<mode>si2_internal): Likewise.
8306         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
8307         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8308         used.
8309         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
8310         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
8311         TARGET_P8_VECTOR test.
8312         (fixuns_trunc<mode>si2_stfiwx): Likewise.
8313         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
8314         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8315         used.
8316         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
8317         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
8318         since a test for TARGET_P9_VECTOR was used.
8319         (splitter for loading small constants): Likewise.
8321 2017-07-26  Andrew Pinski  <apinski@cavium.com>
8323         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
8324         vec_fp_stmt_cost.
8326 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8328         PR target/81563
8329         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
8330         (fp_valid_at): Likewise.
8332 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
8334         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
8335         (qdf24xx_addrcost_table): Likewise.
8336         (cortexa57_tunings): Update to use generic_branch_cost.
8337         (cortexa72_tunings): Likewise.
8338         (cortexa73_tunings): Likewise.
8339         (qdf24xx_tunings): Likewise.
8341 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
8343         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
8344         (thunderx2t99_branch_cost): Likewise.
8345         (cortexa35_tunings): Update to use generic_branch_cost.
8346         (cortexa53_tunings): Likewise.
8347         (cortexa57_tunings): Likewise.
8348         (cortexa72_tunings): Likewise.
8349         (cortexa73_tunings): Likewise.
8350         (thunderx2t99_tunings): Likewise.
8352 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8354         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
8355         (sparc_option_override): Honour MASK_FSMULD.
8356         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
8357         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
8358         * config/sparc/sparc.opt (mfsmuld): New option.
8359         * doc/invoke.texi (mfsmuld): Document option.
8361 2017-07-26  Marek Polacek  <polacek@redhat.com>
8363         PR middle-end/70992
8364         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
8366 2017-07-26  Richard Biener  <rguenther@suse.de>
8368         * gimple-match-head.c (do_valueize): Return OP if valueize
8369         returns NULL_TREE.
8370         (get_def): New helper to get at the def stmt of a SSA name
8371         if valueize allows.
8372         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
8373         do_valueize to get at the def stmt.
8374         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
8376 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
8378         PR middle-end/46932
8379         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
8381 2017-07-26  Martin Liska  <mliska@suse.cz>
8383         PR sanitize/81186
8384         * function.c (expand_function_start): Make expansion of
8385         nonlocal_goto_save_area after parm_birth_insn.
8387 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8389         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
8390         from all CPU target flags enable members.
8392 2017-07-26  Richard Biener  <rguenther@suse.de>
8394         * genmatch.c (dt_simplify::gen): Make iterator vars const.
8395         (decision_tree::gen): Make 'type' const.
8396         (write_predicate): Likewise.
8398 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8400         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
8401         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
8402         (rs6000_option_override_internal): Likewise.
8403         (rs6000_expand_vector_set): Likewise.
8404         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
8405         (TARGET_UPPER_REGS_SF): Likewise.
8406         (TARGET_UPPER_REGS_DI): Likewise.
8407         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
8408         (TARGET_DIRECT_MOVE_64BIT): Likewise.
8409         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
8410         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8411         (Splitters for DI constants in Altivec registers): Likewise.
8412         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
8413         (vsx_set_v4sf_p9): Likewise.
8414         (vsx_set_v4sf_p9_zero): Likewise.
8415         (vsx_insert_extract_v4sf_p9): Likewise.
8416         (vsx_insert_extract_v4sf_p9_2): Likewise.
8418 2017-07-25  Carl Love  <cel@us.ibm.com>
8420         * doc/extend.texi: Update the built-in documentation file for the
8421         existing built-in functions
8422         vector signed char vec_cnttz (vector signed char);
8423         vector unsigned char vec_cnttz (vector unsigned char);
8424         vector signed short vec_cnttz (vector signed short);
8425         vector unsigned short vec_cnttz (vector unsigned short);
8426         vector signed int vec_cnttz (vector signed int);
8427         vector unsigned int vec_cnttz (vector unsigned int);
8428         vector signed long long vec_cnttz (vector signed long long);
8429         vector unsigned long long vec_cnttz (vector unsigned long long);
8431 2017-07-25  Andrew Pinski  <apinski@cavium.com>
8433         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
8434         accesses where the use is for the first operand of a BIT_INSERT.
8436 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
8438         PR bootstrap/81521
8439         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
8440         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
8442 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
8444         * config/i386/gstabs.h: Delete.
8445         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
8447 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
8449         * config/i386/i386.c (ix86_decompose_address): Do not check for
8450         register RTX when looking at index_reg or base_reg.
8451         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
8453 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8455         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
8456         to update EH info here.
8458 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8460         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
8462 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8464         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
8466 2017-07-25  Torsten Duwe  <duwe@suse.de>
8468         * common.opt: Introduce -fpatchable-function-entry
8469         command line option, and its variables function_entry_patch_area_size
8470         and function_entry_patch_area_start.
8471         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
8472         including a two-value parser.
8473         * target.def (print_patchable_function_entry): New target hook.
8474         * targhooks.h (default_print_patchable_function_entry): New function.
8475         * targhooks.c (default_print_patchable_function_entry): Likewise.
8476         * toplev.c (process_options): Switch off IPA-RA if
8477         patchable function entries are being generated.
8478         * varasm.c (assemble_start_function): Look at the
8479         patchable-function-entry command line switch and current
8480         function attributes and maybe generate NOP instructions by
8481         calling the print_patchable_function_entry hook.
8482         * doc/extend.texi: Document patchable_function_entry attribute.
8483         * doc/invoke.texi: Document -fpatchable_function_entry
8484         command line option.
8485         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
8486         New target hook.
8487         * doc/tm.texi: Re-generate.
8489 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
8491         PR target/81532
8492         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
8493         TARGET_AVX512DQ rather than TARGET_AVX512BW.
8495 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
8497         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
8499 2017-07-25  Richard Biener  <rguenther@suse.de>
8501         PR tree-optimization/81455
8502         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
8503         not walk in cycles when looking for guards.
8505 2017-07-25  Richard Biener  <rguenther@suse.de>
8507         PR tree-optimization/81529
8508         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
8509         when optimizing backedge uses.
8511 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
8513         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
8514         character for AIX.
8515         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
8516         to dl_section_ref.  On AIX, append an expression to subtract
8517         the size of the section length to dl_section_ref.
8519 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
8521         * configure.ac: If any of the config.* scripts fail, exit 1.
8522         * configure: Regenerate.
8524 2017-07-25  Richard Biener  <rguenther@suse.de>
8526         PR middle-end/81546
8527         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
8528         of immediate uses, be more verbose on errors.
8530 2017-07-25  Richard Biener  <rguenther@suse.de>
8532         PR tree-optimization/81510
8533         * tree-vect-loop.c (vect_is_simple_reduction): When the
8534         reduction stmt is not inside the loop bail out.
8536 2017-07-25  Richard Biener  <rguenther@suse.de>
8538         PR tree-optimization/81303
8539         * tree-vect-loop-manip.c (vect_loop_versioning): Build
8540         profitability check against LOOP_VINFO_NITERSM1.
8542 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8544         * domwalk.c (cmp_bb_postorder): Simplify.
8545         (sort_bbs_postorder): New function.  Use it...
8546         (dom_walker::walk): ...here to optimize common cases.
8548 2017-07-25  Martin Liska  <mliska@suse.cz>
8550         PR ipa/81520
8551         * ipa-visibility.c (function_and_variable_visibility): Make the
8552         redirection just on target that supports aliasing.
8553         Fix GNU coding style.
8555 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8557         PR libgcc/61152
8558         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
8559         Format changes.
8560         * config/arm/rtems.h: Likewise.
8561         * config/bfin/rtems.h: Likewise.
8562         * config/i386/rtemself.h: Likewise.
8563         * config/lm32/rtems.h: Likewise.
8564         * config/m32c/rtems.h: Likewise.
8565         * config/m68k/rtemself.h: Likewise.
8566         * config/microblaze/rtems.h: Likewise.
8567         * config/mips/rtems.h: Likewise.
8568         * config/moxie/rtems.h: Likewise.
8569         * config/nios2/rtems.h: Likewise.
8570         * config/powerpcspe/rtems.h: Likewise.
8571         * config/rs6000/rtems.h: Likewise.
8572         * config/rtems.h: Likewise.
8573         * config/sh/rtems.h: Likewise.
8574         * config/sh/rtemself.h: Likewise.
8575         * config/sparc/rtemself.h: Likewise.
8577 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
8579         PR 81487
8580         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
8581         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
8582         * tree-ssa-structalias.c (alias_get_name): Same.
8584 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
8586         PR target/81414
8587         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
8588         instructions if no du chain is found.
8590 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
8592         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
8594 2017-07-25  Richard Biener  <rguenther@suse.de>
8596         PR middle-end/81505
8597         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
8598         sticky.
8600 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8602         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
8603         upper-regs options.
8604         (ISA_2_7_MASKS_SERVER): Likewise.
8605         (ISA_3_0_MASKS_IEEE): Likewise.
8606         (OTHER_P8_VECTOR_MASKS): Likewise.
8607         (OTHER_VSX_VECTOR_MASKS): Likewise.
8608         (POWERPC_MASKS): Likewise.
8609         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
8610         duplicate list of options.
8611         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
8612         explicit -mupper-regs options.
8613         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
8614         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
8615         alias for -mupper-regs-df.
8616         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
8617         (rs6000_init_hard_regno_mode_ok): Likewise.
8618         (rs6000_option_override_internal): Likewise.
8619         (rs6000_opt_masks): Likewise.
8620         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
8621         options in terms of whether -mvsx or -mpower8-vector was used.
8622         (TARGET_UPPER_REGS_DI): Likewise.
8623         (TARGET_UPPER_REGS_SF): Likewise.
8624         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
8625         -mupper-regs-* options.
8627 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
8629         * passes.c (emergency_dump_function): Print some empty lines and a
8630         header before the RTL dump.
8632 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
8634         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
8636 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
8638         PR target/79041
8639         * config/aarch64/aarch64.c (aarch64_classify_symbol):
8640         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
8642 2017-07-24  Carl Love  <cel@us.ibm.com>
8644         * config/rs6000/rs6000-c.c: Add support for built-in functions
8645         vector float vec_extract_fp32_from_shorth (vector unsigned short);
8646         vector float vec_extract_fp32_from_shortl (vector unsigned short);
8647         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
8648         vec_extract_fp_from_shortl): Add defines for the two builtins.
8649         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
8650         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
8651         new builtins.
8652         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
8653         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
8654         * doc/extend.texi: Update the built-in documentation file for the
8655         new built-in function.
8657 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
8659         PR bootstrap/81521
8660         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
8661         documentation.
8662         * doc/generic.texi: Likewise.
8663         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
8664         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
8666 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
8668         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
8669         (aarch64_mls_elt_merge<mode>): Likewise.
8671 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
8673         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8674         having __cxa_atexit.
8676 2017-07-23  Michael Collison  <michael.collison@arm.com>
8678         * config/arm/arm.c (arm_option_override): Deprecate
8679         use of -mstructure-size-boundary.
8680         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
8681         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
8683 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8685         PR target/80695
8686         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
8687         Reduce cost estimate for direct moves.
8689 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
8691         PR target/80569
8692         * config/i386/i386.c (ix86_option_override_internal): Disable
8693         BMI, BMI2 and TBM instructions for -m16.
8695 2017-07-21  Carl Love  <cel@us.ibm.com>
8697         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8698         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8699         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8700         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8701         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8702         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8703         VMULOSW): New enum "unspec" values.
8704         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8705         altivec_vmulosw): New patterns.
8706         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8707         VMULOSW): Add definitions.
8709 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
8711         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
8712         (qdf24xx): Likewise.
8713         * config/aarch64/aarch64-options-extensions.def (rdma); New.
8714         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
8715         (AARCH64_FL_V8_1): Renumber.
8716         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
8717         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
8718         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
8719         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
8720         rdma to feature modifiers list.
8722 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
8724         PR middle-end/56727
8725         * ipa-visibility (function_and_variable_visibility): Convert
8726         recursive PLT call to direct call if appropriate.
8728 2017-07-21  Andrew Pinski  <apinski@cavium.com>
8730         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
8731         operand 1 to see if the types precision matches.
8732         * fold-const.c (operand_equal_p): Likewise.
8734 2017-07-21  Richard Biener  <rguenther@suse.de>
8736         PR tree-optimization/81303
8737         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
8738         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
8739         (vect_peeling_hash_get_lowest_cost): Adjust.
8740         (vect_enhance_data_refs_alignment): Likewise.  Use
8741         vect_get_peeling_costs_all_drs to compute the penalty for no
8742         peeling to match up costs.
8744 2017-07-21  Richard Biener  <rguenther@suse.de>
8746         PR tree-optimization/81500
8747         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
8748         we didn't identify a reduction path.
8750 2017-07-21  Tom de Vries  <tom@codesourcery.com>
8751             Cesar Philippidis  <cesar@codesourcery.com>
8753         PR gcov-profile/81442
8754         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
8755         probabilities.
8757 2017-07-21  Tom de Vries  <tom@codesourcery.com>
8759         PR lto/81430
8760         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
8761         function.
8762         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
8763         nvptx_override_options_after_change.
8765 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
8767         * dwarf2out.c (output_file_names): Avoid double testing for
8768         dwarf_version >= 5.
8770 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
8772         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
8774 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
8776         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
8777         hot/cold regions.
8778         (try_crossjump_to_edge): Do not punt on partitioned functions.
8780 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
8782         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8783         Put all BBs reachable only via paths crossing cold region to cold
8784         region.
8785         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
8787 2016-07-21  Richard Biener  <rguenther@suse.de>
8789         PR tree-optimization/81303
8790         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
8791         into account prologue and epilogue iterations when raising
8792         min_profitable_iters to sth at least covering one vector iteration.
8794 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
8796         * config/arm/arm.c (arm_test_cpu_arch_dat):
8797         Check for overlap.
8799 2017-07-20  Nathan Sidwell  <nathan@acm.org>
8801         Remove TYPE_METHODS.
8802         * tree.h (TYPE_METHODS): Delete.
8803         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
8804         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
8805         (dbxout_type_methods): Scan TYPE_FIELDS.
8806         (dbxout_type): Don't check TYPE_METHODS here.
8807         * function.c (use_register_for_decl): Always ignore register for
8808         class types when not optimizing.
8809         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
8810         * tree.c (free_lang_data_in_type): Stitch out member functions and
8811         templates from TYPE_FIELDS.
8812         (build_distinct_type_copy, verify_type_variant,
8813         verify_type): Member fns are on TYPE_FIELDS.
8814         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
8815         * tree-pretty-print.c (dump_generic_node): Likewise.
8817 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
8819         PR target/80846
8820         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
8821         V2TImode and V4TImode.
8822         (ix86_expand_vector_extract): Likewise.
8823         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
8824         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
8825         (ssescalarmode): Handle V4TImode and V2TImode.
8826         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
8827         (*vec_extractv2ti, *vec_extractv4ti): New insns.
8828         (VEXTRACTI128_MODE): New mode iterator.
8829         (splitter for *vec_extractv?ti first element): New.
8830         (VEC_INIT_MODE): New mode iterator.
8831         (vec_init<mode>): Consolidate 3 expanders into one using
8832         VEC_INIT_MODE mode iterator.
8834 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8836         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
8837         non_spilled_static_chain_regno_p.
8839 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8841         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
8843 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
8845         * bb-reorder.c (connect_traces): Allow copying of blocks within
8846         single partition.
8848 2017-07-20  Richard Biener  <rguenther@suse.de>
8850         * gimple.h (gimple_phi_result): Add gphi * overload.
8851         (gimple_phi_result_ptr): Likewise.
8852         (gimple_phi_arg): Likewise.  Adjust index assert to only
8853         allow actual argument accesses rather than all slots available
8854         by capacity.
8855         (gimple_phi_arg_def): Add gphi * overload.
8856         * tree-phinodes.c (make_phi_node): Initialize only actual
8857         arguments.
8858         (resize_phi_node): Clear memory not covered by old node,
8859         do not initialize excess argument slots.
8860         (reserve_phi_args_for_new_edge): Initialize new argument slot
8861         completely.
8863 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
8865         PR tree-optimization/81388
8866         Revert r238585:
8867         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
8869         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
8870         by removing computation of may_be_zero.
8872 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8873             Tom de Vries  <tom@codesourcery.com>
8875         PR middle-end/81030
8876         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
8877         when gimple level profile disagrees with what RTL expander did.
8879 2017-07-20  Richard Biener  <rguenther@suse.de>
8881         PR tree-optimization/61171
8882         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
8883         (vect_analyze_stmt): Add slp instance parameter.
8884         (vectorizable_reduction): Likewise.
8885         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
8886         (vect_is_simple_reduction): Deal with chains not detected
8887         as SLP reduction chain, specifically not properly associated
8888         chains containing a mix of plus/minus.
8889         (get_reduction_op): Remove.
8890         (get_initial_defs_for_reduction): Simplify, pass in whether
8891         this is a reduction chain, pass in the SLP node for the PHIs.
8892         (vect_create_epilog_for_reduction): Get the SLP instance as
8893         arg and adjust.
8894         (vectorizable_reduction): Get the SLP instance as arg.
8895         During analysis remember the SLP node with the PHIs in the
8896         instance.  Simplify getting at the vectorized reduction PHIs.
8897         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
8898         through SLP instance.
8899         (vect_slp_analyze_operations): Likewise.
8900         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
8901         (vect_transform_stmt): Likewise.
8903 2017-07-20  Tom de Vries  <tom@codesourcery.com>
8905         PR tree-optimization/81489
8906         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
8907         read of phi arg location to before loop that modifies phi.
8909 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
8911         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
8912         New pattern.
8914 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8916         PR middle-end/81331
8917         * except.c (execute): Fix ordering issue.
8919 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8921         PR rtl-optimization/81423
8922         * combine.c (make_compound_operation_int): Don't try to optimize
8923         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
8925 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8927         PR rtl-optimization/81423
8928         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
8929         with a constant that is -1 in the truncated to mode.
8931 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8933         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
8934         (determine_unlikely_bbs): ... here.
8935         * predict.h (propagate_unlikely_bbs_forward): Declare.
8936         * cfgexpand.c (pass_expand::execute): Use it.
8937         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
8938         unlikely edges.
8939         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
8940         propagate_unlikely_bbs_forward.
8942 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8944         PR middle-end/81331
8945         * except.c (maybe_add_nop_after_section_switch): New function.
8946         (execute): Use it.
8948 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8950         * gimple.h (gimple_phi_set_arg): Make assert more strict.
8952 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8954         * gimple.h (gimple_phi_arg): Make assert more strict.
8956 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
8958         * config.gcc (powerpc*-*-*): Add mmintrin.h.
8959         * config/rs6000/mmintrin.h: New file.
8960         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
8962 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
8964         PR tree-optimization/81346
8965         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
8967 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8969         * config/nvptx/nvptx.md (VECIM): Add V2DI.
8971 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8973         * config/nvptx/nvptx-modes.def: Add V2DImode.
8974         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
8975         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
8976         (nvptx_output_mov_insn): Handle lack of mov.b128.
8977         (nvptx_print_operand): Handle 'H' and 'L' codes.
8978         (nvptx_vector_mode_supported): Allow V2DImode.
8979         (nvptx_preferred_simd_mode): New function.
8980         (nvptx_data_alignment): New function.
8981         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
8982         nvptx_preferred_simd_mode.
8983         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
8984         64 to 128 bits.
8985         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
8987 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8989         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
8990         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
8991         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
8992         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
8993         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
8994         (mov<VECIM>_insn): New define_insn.
8995         (define_expand "mov<VECIM>): New define_expand.
8997 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8999         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
9001 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
9003         PR tree-optimization/81346
9004         * fold-const.h (fold_div_compare, range_check_type): Declare.
9005         * fold-const.c (range_check_type): New function.
9006         (build_range_check): Use range_check_type.
9007         (fold_div_compare): No longer static, rewritten into
9008         a match.pd helper function.
9009         (fold_comparison): Don't call fold_div_compare here.
9010         * match.pd (X / C1 op C2): New optimization using fold_div_compare
9011         as helper function.
9013 2017-07-19  Nathan Sidwell  <nathan@acm.org>
9015         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
9016         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
9017         * tree.c (find_decls_types_r, verify_type): Use
9018         TYPE_{MIN,MAX}_VALUE_RAW.
9019         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
9020         (hash_tree): Likewise.
9021         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
9022         Likewise.
9023         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
9024         Likewise.
9026 2017-07-18  Tom de Vries  <tom@codesourcery.com>
9028         PR middle-end/81464
9029         * omp-expand.c (expand_omp_for_static_chunk): Handle
9030         equal-argument loop exit phi.
9032 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
9034         PR target/81471
9035         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
9036         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
9037         operand 2 predicate.
9038         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
9039         operand 2 predicate.
9040         (ror,rol -> rorx splitters): Use const_int_operand as
9041         operand 2 predicate.
9043 2017-06-18  Richard Biener  <rguenther@suse.de>
9045         PR tree-optimization/81410
9046         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
9047         the gap in the ! slp_perm SLP case after each group.
9049 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
9051         PR middle-end/81463
9052         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
9053         again.
9055 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
9057         PR middle-end/81462
9058         * predict.c (set_even_probabilities): Cleanup; do not affect
9059         probabilities that are already known.
9060         (combine_predictions_for_bb): Call even when count is set.
9062 2017-07-18  Nathan Sidwell  <nathan@acm.org>
9064         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
9065         TYPE_MAX_VALUE.
9067 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
9069         PR target/81408
9070         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
9071         optimization for loop niter analysis.
9073 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
9075         PR target/81473
9076         * config/avr/avr.c (avr_optimize_casesi): Don't use
9077         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
9079 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
9081         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
9082         body_cost_vec from _vect_peel_extended_info.
9083         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
9084         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
9085         npeel.
9087 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
9089         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
9091 2017-07-18  Richard Biener  <rguenther@suse.de>
9093         PR tree-optimization/80620
9094         PR tree-optimization/81403
9095         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
9096         info when re-using a VN table entry.
9098 2017-07-18  Richard Biener  <rguenther@suse.de>
9100         PR tree-optimization/81418
9101         * tree-vect-loop.c (vectorizable_reduction): Properly compute
9102         vectype_in.  Verify that with lane-reducing reduction operations
9103         we have a single def-use cycle.
9105 2017-07-17  Carl Love  <cel@us.ibm.com>
9107         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
9109         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9110         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
9111         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
9112         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
9113         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
9114         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
9115         VMULOSW): New enum "unspec" values.
9116         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
9117         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
9118         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
9119         altivec_vmulosw): New patterns.
9120         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
9121         VMULOSW): Add definitions.
9122 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
9124         * config/alpha/alpha.c: Include predict.h.
9126 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
9128         * tree-vrp.c (compare_assert_loc): Fix comparison function
9129         to return predictable results.
9131 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9133         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
9134         option.
9135         (subdi3): Likewise.
9136         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
9137         * doc/invoke.texi (mexpand-adddi): Update text.
9139 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9141         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
9142         that also clobbers the CC register. The old expand code is moved
9143         to ...
9144         (*arc_clzsi2): ... here.
9145         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
9146         the CC register. The old expand code is moved to ...
9147         (arc_ctzsi2): ... here.
9149 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9151         * config/arc/arc.opt (mindexed-loads): Use initial value
9152         TARGET_INDEXED_LOADS_DEFAULT.
9153         (mauto-modify-reg): Use initial value
9154         TARGET_AUTO_MODIFY_REG_DEFAULT.
9155         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
9156         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
9157         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
9158         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
9160 2017-07-17  Martin Liska  <mliska@suse.cz>
9162         PR sanitizer/81302
9163         * opts.c (finish_options): Do not allow -fgnu-tm
9164         w/ -fsanitize={kernel-,}address.  Say sorry.
9166 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
9168         PR target/81369
9169         * tree-loop-distribution.c (classify_partition): Only assert on
9170         numer of iterations.
9171         (merge_dep_scc_partitions): Delete prameter.  Update function call.
9172         (distribute_loop): Remove code handling loop with unknown niters.
9173         (pass_loop_distribution::execute): Skip loop with unknown niters.
9175 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
9177         PR target/81369
9178         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
9179         function sort_partitions_by_post_order.
9181 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
9183         PR tree-optimization/81374
9184         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
9185         the max index of basic blocks, rather than number of basic blocks.
9187 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9189         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
9190         proto.
9191         (arc_legitimate_pic_operand_p): Likewise.
9192         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
9193         function.
9194         (arc_needs_pcl_p): Likewise.
9195         (arc_legitimate_pc_offset_p): Likewise.
9196         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
9197         function is also used in constrains.md.
9198         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
9199         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
9200         PLUS.  Only return true/false in known cases, otherwise assert.
9201         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
9202         is already called in arc_legitimate_constant_p.
9203         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
9204         pic addresses.
9205         (LEGITIMATE_PIC_OPERAND_P): Use
9206         arc_raw_symbolic_reference_mentioned_p function.
9207         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
9208         function.
9209         (Cal): Likewise.
9210         (C32): Likewise.
9212 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9213         Andrew Burgess  <andrew.burgess@embecosm.com>
9215         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
9216         (arc_return_address_register): New function.
9217         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
9218         (arc_handle_fndecl_attribute): Add naked attribute.
9219         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
9220         (TARGET_WARN_FUNC_RETURN): Likewise.
9221         (arc_allocate_stack_slots_for_args): New function.
9222         (arc_warn_func_return): Likewise.
9223         (machine_function): Change type fn_type.
9224         (arc_compute_function_type): Consider new naked function type,
9225         change function return type.
9226         (arc_must_save_register): Adapt to handle new
9227         arc_compute_function_type's return type.
9228         (arc_expand_prologue): Likewise.
9229         (arc_expand_epilogue): Likewise.
9230         (arc_return_address_regs): Delete.
9231         (arc_return_address_register): New function.
9232         (arc_epilogue_uses): Use above function.
9233         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
9234         (arc_function_type): Change encoding, add naked type.
9235         (ARC_INTERRUPT_P): Change to handle the new encoding.
9236         (ARC_FAST_INTERRUPT_P): Likewise.
9237         (ARC_NORMAL_P): Define.
9238         (ARC_NAKED_P): Likewise.
9239         (arc_compute_function_type): Delete prototype.
9240         * config/arc/arc.md (in_ret_delay_slot): Use
9241         arc_return_address_register function.
9242         (simple_return): Likewise.
9243         (p_return_i): Likewise.
9245 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9247         PR tree-optimization/81428
9248         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
9249         can't be built for those types.
9251 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
9253         Remove stuff dead since r239246.
9255         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
9256         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
9257         (avr_inform_devices): Remove dead stuff.
9259 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
9261         * config/arm/arm_neon.h: Fix softp typo.
9263 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9265         PR tree-optimization/81365
9266         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
9267         aggregate moves onto bb predecessor edges, make sure there are no
9268         loads that could alias the lhs in between the start of bb and the
9269         loads from *phi.
9271 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
9273         PR 80929
9274         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
9275         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
9276         [LSHIFTRT, outer_code = TRUNCATE]: Same.
9278 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9280         PR tree-optimization/81396
9281         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
9282         (init_symbolic_number): Initialize it to 1.
9283         (perform_symbolic_merge): Add n_ops from both operands into the new
9284         n_ops.
9285         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
9286         without base_addr as useless if they need more than one operation.
9287         (bswap_replace): Handle !bswap case for NULL base_addr.
9289 2017-07-17  Tom de Vries  <tom@codesourcery.com>
9291         PR target/81069
9292         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
9293         as possible.
9295 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9297         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
9298         conditional builtin define __FIX_LEON3FT_B2BST.
9300 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
9302         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
9303         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
9304         with -mfix-ut700.
9306 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
9308         PR rtl-optimization/81424
9309         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
9310         to remove potential trapping from operands if -fnon-call-exceptions.
9312 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9314         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
9315         profile_proability for scalling.
9316         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
9318 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9320         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
9322 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9324         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
9325         fixpoint arithmetics.
9327 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9329         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
9330         fixpoint arithmetics.
9332 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9334         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
9335         fixpoint arithmetics.
9337 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9339         * profile-count.h (profile_probability::from_reg_br_prob_note,
9340         profile_probability::to_reg_br_prob_note): New functions.
9341         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
9342         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
9343         * predict.c (probability_reliable_p): Update.
9344         (edge_probability_reliable_p): Update.
9345         (br_prob_note_reliable_p): Update.
9346         (invert_br_probabilities): Update.
9347         (add_reg_br_prob_note): New function.
9348         (combine_predictions_for_insn): Update.
9349         * asan.c (asan_clear_shadow): Update.
9350         * cfgbuild.c (compute_outgoing_frequencies): Update.
9351         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
9352         (update_br_prob_note): Update.
9353         (rtl_verify_edges): Update.
9354         (purge_dead_edges): Update.
9355         (fixup_reorder_chain): Update.
9356         * emit-rtl.c (try_split): Update.
9357         * ifcvt.c (cond_exec_process_insns): Update.
9358         (cond_exec_process_if_block): Update.
9359         (dead_or_predicable): Update.
9360         * internal-fn.c (expand_addsub_overflow): Update.
9361         (expand_neg_overflow): Update.
9362         (expand_mul_overflow): Update.
9363         * loop-doloop.c (doloop_modify): Update.
9364         * loop-unroll.c (compare_and_jump_seq): Update.
9365         * optabs.c (emit_cmp_and_jump_insn_1): Update.
9366         * predict.h: Update.
9367         * reorg.c (mostly_true_jump): Update.
9368         * rtl.h: Update.
9369         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
9370         * config/alpha/alpha.c (emit_unlikely_jump): Update.
9371         * config/arc/arc.c: (emit_unlikely_jump): Update.
9372         * config/arm/arm.c: (emit_unlikely_jump): Update.
9373         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
9374         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
9375         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
9376         (ix86_print_operand): Update.
9377         (ix86_split_fp_branch): Update.
9378         (predict_jump): Update.
9379         * config/ia64/ia64.c (ia64_print_operand): Update.
9380         * config/mmix/mmix.c (mmix_print_operand): Update.
9381         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
9382         (rs6000_expand_split_stack_prologue): Update.
9383         * config/rs6000/rs6000.c: Update.
9384         * config/s390/s390.c (s390_expand_vec_strlen): Update.
9385         (s390_expand_vec_movstr): Update.
9386         (s390_expand_cs_tdsi): Update.
9387         (s390_expand_split_stack_prologue): Update.
9388         * config/sh/sh.c (sh_print_operand): Update.
9389         (expand_cbranchsi4): Update.
9390         (expand_cbranchdi4): Update.
9391         * config/sparc/sparc.c (output_v9branch): Update.
9392         * config/spu/spu.c (get_branch_target): Update.
9393         (ea_load_store_inline): Update.
9394         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
9395         * config/tilepro/tilepro.c: Update.
9397 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
9399         * gimplify.c (mostly_copy_tree_r): Revert latest change.
9400         (gimplify_save_expr): Likewise.
9402 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9404         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
9406 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9408         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
9409         TV_IPA_FNSUMMARY.
9410         * timevar.def (TV_IPA_FNSUMMARY): Define.
9412 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
9414         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
9415         to back store errata sensitive sequence from being generated.
9416         (sqrtdf2_fix): Likewise.
9418 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9420         * tree-ssa-threadupdate.c (compute_path_counts,
9421         update_joiner_offpath_counts): Use profile_probability.
9423 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9425         Revert:
9426         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9428         * config/arm/arm-c.c (arm_cpu_builtins): Define
9429         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
9431 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9433         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9434         array entries to represent __ieee128 versions of the
9435         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
9436         scalar_extract_sig, and scalar_insert_exp built-in functions.
9437         (altivec_resolve_overloaded_builtin): Add special case handling
9438         for the __builtin_scalar_insert_exp function, as represented by
9439         the P9V_BUILTIN_VEC_VSIEDP constant.
9440         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
9441         exponent support for __ieee128 argument.
9442         (VSESQP): Add scalar extract signature support for __ieee128
9443         argument.
9444         (VSTDCNQP): Add scalar test negative support for __ieee128
9445         argument.
9446         (VSIEQP): Add scalar insert exponent support for __int128 argument
9447         with __ieee128 result.
9448         (VSIEQPF): Add scalar insert exponent support for __ieee128
9449         argument with __ieee128 result.
9450         (VSTDCQP): Add scalar test data class support for __ieee128
9451         argument.
9452         (VSTDCNQP): Add overload support for scalar test negative with
9453         __ieee128 argument.
9454         (VSTDCQP): Add overload support for scalar test data class
9455         __ieee128 argument.
9456         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
9457         UNSPEC_VSX_SXSIGDP.
9458         (UNSPEC_VSX_SIEXPQP): New constant.
9459         (xsxexpqp): New insn for VSX scalar extract exponent quad
9460         precision.
9461         (xsxsigqp): New insn for VSX scalar extract significand quad
9462         precision.
9463         (xsiexpqpf): New insn for VSX scalar insert exponent quad
9464         precision with floating point argument.
9465         (xststdcqp): New expand for VSX scalar test data class quad
9466         precision.
9467         (xststdcnegqp): New expand for VSX scalar test negative quad
9468         precision.
9469         (xststdcqp): New insn to match expansions for VSX scalar test data
9470         class quad precision and VSX scalar test negative quad precision.
9471         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
9472         special case operand checking to enforce that second operand of
9473         VSX scalar test data class with quad precision argument is a 7-bit
9474         unsigned literal.
9475         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
9476         prototypes and descriptions of __ieee128 versions of
9477         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
9478         scalar_test_data_class, and scalar_test_neg built-in functions.
9480 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9482         PR tree-optimization/81162
9483         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
9484         replace a negate with an add.
9486 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
9488         * doc/invoke.texi (arm/-mcpu): Document +crypto.
9490 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9492         * config/arm/arm-c.c (arm_cpu_builtins): Define
9493         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
9495 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9497         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
9498         (armv8-r): Set ARM Cortex-R52 as default CPU.
9499         * config/arm/arm-tables.opt: Regenerate.
9500         * config/arm/arm-tune.md: Regenerate.
9501         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9502         Cortex-R52.
9503         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
9504         extension for -mcpu=cortex-r52.
9506 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9508         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
9509         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
9510         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
9511         (fp-armv8): Define it as FP_ARMv8 only.
9512         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
9513         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
9514         TARGET_FPU_ARMV8.
9515         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
9516         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
9517         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
9518         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
9519         than TARGET_FPU_ARMV8.
9520         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
9521         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
9522         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
9523         TARGET_FPU_ARMV8.
9524         * config/arm/neon.md (neon_vrint): Likewise.
9525         (neon_vcvt): Likewise.
9526         (neon_<fmaxmin_op><mode>): Likewise.
9527         (<fmaxmin><mode>3): Likewise.
9528         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
9529         * config/arm/predicates.md (arm_cond_move_operator): Check against
9530         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
9532 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
9534         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
9535         to top of function.
9537 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9539         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
9540         loop in comment with memset.
9542 2017-07-14  Martin Liska  <mliska@suse.cz>
9544         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
9545         * dwarf2out.c (is_java): Remove the function.
9546         (output_pubname): Remove usage of the function.
9547         (lower_bound_default): Remove usage of DW_LANG_Java.
9548         (gen_compile_unit_die): Likewise.
9549         * gcc.c: Remove compiler defaults for .java and .zip files.
9550         * gimple-expr.c (remove_suffix): Change as there's no longer
9551         extension than 4-letter one.
9552         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
9553         (gimplify_save_expr): Likewise.
9554         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
9555         as it's possible even for other languages than Java.
9556         * langhooks.h (struct lang_hooks): Remove Java from a comment.
9557         * lto-opts.c (lto_write_options): Remove reference to Java.
9558         * opts.c (strip_off_ending): Update file extension handling.
9559         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
9560         * tree-eh.c (lower_resx): Likewise.
9561         * tree.c (free_lang_data_in_type): Remove dead code.
9562         (find_decls_types_r): Likewise.
9563         (build_common_builtin_nodes): Remove Java from a comment.
9564         (verify_type): Remove dead code.
9565         * varasm.c (assemble_external): Remove Java from a comment.
9567 2017-07-14  Martin Liska  <mliska@suse.cz>
9569         * opts.c (finish_options): Add quotes.
9570         (common_handle_option): Likewise.
9572 2017-07-14  Martin Liska  <mliska@suse.cz>
9574         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
9575         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
9576         Remove N_SO_PASCAL.
9577         * dwarf2out.c (lower_bound_default): Do not handle
9578         DW_LANG_Pascal83.
9579         (gen_compile_unit_die): Likewise.
9580         * gcc.c: Remove default extension binding for GNU Pascal.
9581         * stmt.c: Remove Pascal language from a comment.
9582         * xcoffout.c: Likewise.
9584 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
9586         PR c/81405
9587         * diagnostic-show-locus.c (fixit_cmp): New function.
9588         (layout::layout): Sort m_fixit_hints.
9589         (column_range::column_range): Assert that the values are valid.
9590         (struct char_span): New struct.
9591         (correction::overwrite): New method.
9592         (struct source_line): New struct.
9593         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
9594         calls in terms of classes source_line and char_span, and
9595         correction::overwrite.
9596         (selftest::test_overlapped_fixit_printing_2): New function.
9597         (selftest::diagnostic_show_locus_c_tests): Call it.
9599 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
9601         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
9602         early if there is no lhs.
9604 2017-07-13  Martin Liska  <mliska@suse.cz>
9606         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
9607         (gen_reference_type_die): Likewise.
9608         * stor-layout.c: Remove Pascal-related comment.
9610 2017-07-13  Martin Liska  <mliska@suse.cz>
9612         * opts.c (finish_options): Add quotes to error messages.
9613         (parse_sanitizer_options): Likewise.
9615 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9617         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
9619 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
9621         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
9623 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
9625         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
9626         during expansion.
9627         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
9629 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9631         PR target/81193
9632         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
9633         provides the hardware capability bits, define the macro
9634         __BUILTIN_CPU_SUPPORTS__.
9635         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
9636         if GLIBC does not provide the hardware capability bits.  Add a
9637         gcc_unreachable call if the built-in cpu function is neither
9638         __builtin_cpu_is nor __builtin_cpu_supports.
9639         (rs6000_get_function_versions_dispatcher): Change the warning
9640         that an old GLIBC is used which does not export the capability
9641         bits to be an error.
9642         * doc/extend.texi (target_clones attribute): Document the
9643         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
9644         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
9645         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
9646         the macros defined by GCC if the newer GLIBC is available.
9648 2017-07-12  Jeff Law  <law@redhat.com>
9650         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
9651         remaining includes slightly.
9652         * config/riscv/riscv-builtins.c: Include profile-count.h.
9654 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
9656         PR target/79883
9657         * config/avr/avr.c (avr_set_current_function): In diagnostic
9658         messages: Quote keywords and (parts of) identifiers.
9659         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
9660         "INTERUPT".
9662 2017-07-12  Carl Love  <cel@us.ibm.com>
9664         * config/rs6000/rs6000-c.c: Add support for built-in functions
9665         vector bool char vec_revb (vector bool char);
9666         vector bool short vec_revb (vector short char);
9667         vector bool int vec_revb (vector bool int);
9668         vector bool long long vec_revb (vector bool long long);
9669         * doc/extend.texi: Update the built-in documentation file for the
9670         new built-in functions.
9672 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9674         * config/s390/s390.md: Remove movcc splitter.
9676 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9678         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
9679         load/store on condition.
9681 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
9683         PR target/81407
9684         * config/avr/avr.c (avr_encode_section_info)
9685         [progmem && !TREE_READONLY]: Error if progmem object needs
9686         constructing.
9688 2017-07-11  Michael Collison  <michael.collison@arm.com>
9690         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
9691         New pattern.
9693 2017-07-11  Carl Love  <cel@us.ibm.com>
9695         * config/rs6000/rs6000-c.c: Add support for builtins
9696         vector unsigned int vec_parity_lsbb (vector signed int);
9697         vector unsigned int vec_parity_lsbb (vector unsigned int);
9698         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
9699         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
9700         vector unsigned long long vec_parity_lsbb (vector signed long long);
9701         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
9702         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
9703         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
9704         * doc/extend.texi: Update the built-in documentation file for the
9705         new built-in functions.
9707 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
9709         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
9710         (layout::m_primary_loc): New field.
9711         (layout::layout): Initialize new field.  Move location filtering
9712         logic from here to...
9713         (layout::maybe_add_location_range): ...this new method.  Add
9714         support for filtering to just the lines already specified by other
9715         locations.
9716         (layout::will_show_line_p): New method.
9717         (gcc_rich_location::add_location_if_nearby): New method.
9718         (selftest::test_add_location_if_nearby): New test function.
9719         (selftest::diagnostic_show_locus_c_tests): Call it.
9720         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
9721         New method.
9723 2017-07-11  Tom de Vries  <tom@codesourcery.com>
9725         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
9726         (bb_first_real_insn): New function.
9727         (nvptx_single): Add extra initialization of broadcasted condition
9728         variables.
9730 2017-07-11  Nathan Sidwell  <nathan@acm.org>
9732         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
9734 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
9736         * doc/extend.texi (AVR Function Attributes): Remove weblink to
9737         Binutils doc as TEXI will mess them up.
9738         * doc/invoke.texi (AVR Options): Same here.
9740 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
9742         * config/sparc/sparc.opt (mfix-ut700): New option.
9743         (mfix-gr712rc): Likewise.
9744         (sparc_fix_b2bst): New variable.
9745         * doc/invoke.texi (SPARC options): Document them.
9746         (ARM options): Fix warnings.
9747         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
9748         instructions to prevent sequences that can trigger the store-store
9749         errata for certain LEON3FT processors.
9750         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
9751         (sparc_option_override): Set sparc_fix_b2bst appropriately.
9752         * config/sparc/sparc.md (fix_b2bst): New attribute.
9753         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
9755 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
9757         PR target/81375
9758         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
9759         (rcpps): Ditto.
9760         (*rsqrtsf2_sse): Ditto.
9761         (rsqrtsf2): Ditto.
9762         (div<mode>3): Macroize insn from divdf3 and divsf3
9763         using MODEF mode iterator.
9765 2017-07-10  Martin Sebor  <msebor@redhat.com>
9767         PR tree-optimization/80397
9768         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
9769         instead of testing for equality to INTEGER_TYPE.
9771 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
9773         * config.gcc: Remove uclibc from arc target spec.
9775 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
9777         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
9779 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9781         PR lto/80838
9782         * lto-wrapper.c (remove_option): New function.
9783         (merge_and_complain): Merge PIC/PIE options more realistically.
9785 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
9787         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
9789         PR target/20296
9790         PR target/81268
9791         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
9792         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
9793         * config.in: Regenerate.
9794         * configure: Regenerate.
9795         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
9796         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
9797         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
9798         (TARGET_GASISR_PROLOGUES): ...target mask.
9799         * common/config/avr/avr-common.c
9800         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
9801         Set -mgas-isr-prologues.
9802         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
9803         INSERT_PASS_BEFORE for it.
9804         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
9805         * config/avr/avr.c (avr_option_override)
9806         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
9807         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
9808         (avr_attribute_table) <no_gccisr>: Add new function attribute.
9809         (avr_set_current_function) <is_no_gccisr>: Init machine field.
9810         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
9811         and rtl_opt_pass.
9812         (make_avr_pass_pre_proep): New function.
9813         (emit_push_sfr) <treg>: Add argument to function and use it
9814         instead of TMP_REG.
9815         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
9816         and set machine->gasisr.yes.
9817         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
9818         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
9819         __gcc_isr.n_pushed to .L__stack_usage.
9820         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
9821         (avr_asm_final_postscan_insn): ...this new static function.
9822         * config/avr/avr.h (machine_function)
9823         <is_no_gccisr, use_L__stack_usage>: New fields.
9824         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
9825         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
9826         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
9827         (gasisr, *gasisr): New expander and insn.
9828         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
9829         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
9830         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
9832 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
9834         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
9835         in quoted strings.
9837 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
9839         Move jump-tables out of .text again.
9841         PR target/81075
9842         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
9843         (ASM_OUTPUT_ADDR_VEC): New function.
9844         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
9845         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
9846         INSN_ADDRESSes as asm comment.
9847         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
9848         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
9849         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
9850         * config/avr/avr.md (*tablejump): Adjust comment.
9851         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
9852         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
9853         New detail.
9854         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
9855         (avr_output_addr_vec): New proto.
9856         (avr_log_t) <insn_addresses>: New field.
9858 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
9860         PR target/81313
9861         * config/i386/i386.c (ix86_function_arg_advance): Set
9862         outgoing_args_on_stack to true if there are outgoing arguments
9863         on stack.
9864         (ix86_function_arg): Likewise.
9865         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
9866         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
9867         * config/i386/i386.h (machine_function): Add
9868         outgoing_args_on_stack.
9870 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
9872         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
9873         supporting pthreds.
9874         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
9876 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
9878         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
9879         (REAL_H): Remove $(MACHMODE_H).
9880         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
9881         double-int.h.
9882         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
9883         $(MACHMODE_H) and double-int.h.
9884         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
9885         $(MACHMODE_H).
9886         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
9887         double-int.h.
9889 2017-07-07  Andrew Pinski  <apinski@cavium.com>
9891         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
9892         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
9894 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9896         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
9897         Add warning if GCC was not configured to link against a GLIBC that
9898         exports the hardware capability bits.
9899         (make_resolver_func): Make resolver function private and not a
9900         COMDAT function.  Create the name with clone_function_name instead
9901         of make_unique_name.
9903         PR target/81348
9904         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
9905         correct operand in doing the split.
9907 2017-07-07 Carl Love  <cel@us.ibm.com>
9909         * config/rs6000/rs6000-c: Add support for built-in function
9910         vector unsigned short vec_pack_to_short_fp32 (vector float,
9911                                                       vector float).
9912         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
9913         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
9914         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
9915         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
9916         (convert_4f32_8i16): Add define_expand.
9917         * doc/extend.texi: Update the built-in documentation file for the
9918         new built-in function.
9920 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9922         * config/sparc/m8.md: New file.
9923         * config/sparc/sparc.md: Include m8.md.
9925 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9927         * config/sparc/sparc.opt: New option -mvis4b.
9928         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
9929         (sparc_option_override): Handle VIS4B.
9930         (enum sparc_builtins): Define
9931         SPARC_BUILTIN_DICTUNPACK{8,16,32},
9932         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
9933         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
9934         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
9935         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
9936         (check_constant_argument): New function.
9937         (sparc_vis_init_builtins): Define builtins
9938         __builtin_vis_dictunpack{8,16,32},
9939         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
9940         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
9941         __builtin_vis_fpcmpde{8,16,32}shl and
9942         __builtin_vis_fpcmpur{8,16,32}shl.
9943         (sparc_expand_builtin): Check that the constant operands to
9944         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
9945         constant and in range.
9946         * config/sparc/sparc-c.c (sparc_target_macros): Handle
9947         TARGET_VIS4B.
9948         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
9949         (SPARC_IMM5_P): Likewise.
9950         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
9951         (enabled): Handle vis4b.
9952         (UNSPEC_DICTUNPACK): New unspec.
9953         (UNSPEC_FPCMPSHL): Likewise.
9954         (UNSPEC_FPUCMPSHL): Likewise.
9955         (UNSPEC_FPCMPDESHL): Likewise.
9956         (UNSPEC_FPCMPURSHL): Likewise.
9957         (cpu_feature): New CPU feature `vis4b'.
9958         (dictunpack{8,16,32}): New insns.
9959         (FPCSMODE): New mode iterator.
9960         (fpcscond): New code iterator.
9961         (fpcsucond): Likewise.
9962         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
9963         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
9964         (fpcmpde{8,16,32}{si,di}shl): Likewise.
9965         (fpcmpur{8,16,32}{si,di}shl): Likewise.
9966         * config/sparc/constraints.md: Define constraints `q' for unsigned
9967         2-bit integer constants and `t' for unsigned 5-bit integer
9968         constants.
9969         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
9970         predicate.
9971         (imm5_operand_dictunpack16): Likewise.
9972         (imm5_operand_dictunpack32): Likewise.
9973         (imm2_operand): Likewise.
9974         * doc/invoke.texi (SPARC Options): Document -mvis4b.
9975         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
9976         ditunpack* and fpcmp*shl builtins.
9978 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9980         * config.gcc: Handle m8 in --with-{cpu,tune} options.
9981         * config.in: Add HAVE_AS_SPARC6 define.
9982         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
9983         M8.
9984         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
9985         TARGET_CPU_m8.
9986         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
9987         (CPP_CPU_SPEC): Handle m8.
9988         (ASM_CPU_SPEC): Likewise.
9989         * config/sparc/sparc-opts.h (enum processor_type): Add
9990         PROCESSOR_M8.
9991         * config/sparc/sparc.c (m8_costs): New struct.
9992         (sparc_option_override): Handle TARGET_CPU_m8.
9993         (sparc32_initialize_trampoline): Likewise.
9994         (sparc64_initialize_trampoline): Likewise.
9995         (sparc_issue_rate): Likewise.
9996         (sparc_register_move_cost): Likewise.
9997         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
9998         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
9999         (ASM_CPU64_DEFAULT_SPEC): Likewise.
10000         (CPP_CPU_SPEC): Handle M8.
10001         (ASM_CPU_SPEC): Likewise.
10002         (AS_M8_FLAG): Define.
10003         * config/sparc/sparc.md: Add m8 to the cpu attribute.
10004         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
10005         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
10006         M8 instructions.
10007         * configure: Regenerate.
10008         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
10009         -mtune=m8.
10011 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
10013         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
10014         subtypes.
10015         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
10016         ("*movdi_insn_sp32"): Do not set v3pipe.
10017         ("*movsi_insn"): Likewise.
10018         ("*movdi_insn_sp64"): Likewise.
10019         ("*movsf_insn"): Likewise.
10020         ("*movdf_insn_sp32"): Likewise.
10021         ("*movdf_insn_sp64"): Likewise.
10022         ("*zero_extendsidi2_insn_sp64"): Likewise.
10023         ("*sign_extendsidi2_insn"): Likewise.
10024         ("*mov<VM32:mode>_insn"): Likewise.
10025         ("*mov<VM64:mode>_insn_sp64"): Likewise.
10026         ("*mov<VM64:mode>_insn_sp32"): Likewise.
10027         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
10028         ("<vlop:code><VL:mode>3"): Likewise.
10029         ("*not_<vlop:code><VL:mode>3"): Likewise.
10030         ("*nand<VL:mode>_vis"): Likewise.
10031         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
10032         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
10033         ("one_cmpl<VL:mode>2"): Likewise.
10034         ("faligndata<VM64:mode>_vis"): Likewise.
10035         ("alignaddrsi_vis"): Likewise.
10036         ("alignaddrdi_vis"): Likweise.
10037         ("alignaddrlsi_vis"): Likewise.
10038         ("alignaddrldi_vis"): Likewise.
10039         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
10040         ("bmaskdi_vis"): Likewise.
10041         ("bmasksi_vis"): Likewise.
10042         ("bshuffle<VM64:mode>_vis"): Likewise.
10043         ("cmask8<P:mode>_vis"): Likewise.
10044         ("cmask16<P:mode>_vis"): Likewise.
10045         ("cmask32<P:mode>_vis"): Likewise.
10046         ("pdistn<P:mode>_vis"): Likewise.
10047         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
10049 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
10051         * config/sparc/sparc.md ("subtype"): New insn attribute.
10052         ("*wrgsr_sp64"): Set insn subtype.
10053         ("*rdgsr_sp64"): Likewise.
10054         ("alignaddrsi_vis"): Likewise.
10055         ("alignaddrdi_vis"): Likewise.
10056         ("alignaddrlsi_vis"): Likewise.
10057         ("alignaddrldi_vis"): Likewise.
10058         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
10059         ("fexpand_vis"): Likewise.
10060         ("fpmerge_vis"): Likewise.
10061         ("faligndata<VM64:mode>_vis"): Likewise.
10062         ("bshuffle<VM64:mode>_vis"): Likewise.
10063         ("cmask8<P:mode>_vis"): Likewise.
10064         ("cmask16<P:mode>_vis"): Likewise.
10065         ("cmask32<P:mode>_vis"): Likewise.
10066         ("fchksm16_vis"): Likewise.
10067         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
10068         ("fmean16_vis"): Likewise.
10069         ("fp<plusminus_insn>64_vis"): Likewise.
10070         ("<plusminus_insn>v8qi3"): Likewise.
10071         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
10072         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
10073         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
10074         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
10075         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
10076         ("*movqi_insn"): Likewise.
10077         ("*movhi_insn"): Likewise.
10078         ("*movsi_insn"): Likewise.
10079         ("movsi_pic_gotdata_op"): Likewise.
10080         ("*movdi_insn_sp32"): Likewise.
10081         ("*movdi_insn_sp64"): Likewise.
10082         ("movdi_pic_gotdata_op"): Likewise.
10083         ("*movsf_insn"): Likewise.
10084         ("*movdf_insn_sp32"): Likewise.
10085         ("*movdf_insn_sp64"): Likewise.
10086         ("*zero_extendhisi2_insn"): Likewise.
10087         ("*zero_extendqihi2_insn"): Likewise.
10088         ("*zero_extendqisi2_insn"): Likewise.
10089         ("*zero_extendqidi2_insn"): Likewise.
10090         ("*zero_extendhidi2_insn"): Likewise.
10091         ("*zero_extendsidi2_insn_sp64"): Likewise.
10092         ("ldfsr"): Likewise.
10093         ("prefetch_64"): Likewise.
10094         ("prefetch_32"): Likewise.
10095         ("tie_ld32"): Likewise.
10096         ("tie_ld64"): Likewise.
10097         ("*tldo_ldub_sp32"): Likewise.
10098         ("*tldo_ldub1_sp32"): Likewise.
10099         ("*tldo_ldub2_sp32"): Likewise.
10100         ("*tldo_ldub_sp64"): Likewise.
10101         ("*tldo_ldub1_sp64"): Likewise.
10102         ("*tldo_ldub2_sp64"): Likewise.
10103         ("*tldo_ldub3_sp64"): Likewise.
10104         ("*tldo_lduh_sp32"): Likewise.
10105         ("*tldo_lduh1_sp32"): Likewise.
10106         ("*tldo_lduh_sp64"): Likewise.
10107         ("*tldo_lduh1_sp64"): Likewise.
10108         ("*tldo_lduh2_sp64"): Likewise.
10109         ("*tldo_lduw_sp32"): Likewise.
10110         ("*tldo_lduw_sp64"): Likewise.
10111         ("*tldo_lduw1_sp64"): Likewise.
10112         ("*tldo_ldx_sp64"): Likewise.
10113         ("*mov<VM32:mode>_insn"): Likewise.
10114         ("*mov<VM64:mode>_insn_sp64"): Likewise.
10115         ("*mov<VM64:mode>_insn_sp32"): Likewise.
10117 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
10119         * config/sparc/sparc.md ("type"): New insn type viscmp.
10120         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
10121         viscmp.
10122         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
10123         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
10124         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
10125         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
10126         viscmp.
10127         ("n7_vis_logical_11cycle"): Likewise.
10128         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
10129         * config/sparc/niagara2.md ("niag3_vis": Likewise.
10130         * config/sparc/niagara.md ("niag_vis"): Likewise.
10131         * config/sparc/ultra3.md ("us3_fga"): Likewise.
10132         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
10134 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
10136         * config/sparc/sparc.md: New instruction type `bmask'.
10137         (bmaskdi_vis): Use the `bmask' type.
10138         (bmasksi_vis): Likewise.
10139         * config/sparc/ultra3.md (us3_array): Likewise.
10140         * config/sparc/niagara7.md (n7_array): Likewise.
10141         * config/sparc/niagara4.md (n4_array): Likewise.
10142         * config/sparc/niagara2.md (niag2_vis): Likewise.
10143         (niag3_vis): Likewise.
10144         * config/sparc/niagara.md (niag_vis): Likewise.
10146 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10148         * ipa-comdats.c: Remove optimize check from gate.
10149         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
10150         for functions not optimized.
10151         (ipa_fn_summary_read): Skip optimize check.
10152         (ipa_fn_summary_write): Likewise.
10153         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
10154         is optimized.
10155         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
10156         uninlinable.
10157         (can_inline_edge_p): Check flag_pcc_struct_return for match.
10158         (check_callers): Give up on caller which is not optimized.
10159         (inline_small_functions): Likewise.
10160         (ipa_inline): Do not give up when not optimizing.
10161         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
10162         away unoptimizes cdtors.
10163         (whole_program_function_and_variable_visibility): Do
10164         ipa_discover_readonly_nonaddressable_vars in LTO mode.
10165         * ipa.c (process_references): Do not check optimize.
10166         (symbol_table::remove_unreachable_nodes): Update optimize check.
10167         (set_writeonly_bit): Update optimize check.
10168         (pass_ipa_cdtor_merge::gate): Do not check optimize.
10169         (pass_ipa_single_use::gate): Remove.
10171 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10173         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
10174         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
10175         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
10176         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
10177         permute_load, permute_store, adjust_extract, adjust_splat,
10178         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
10179         replace_swap_with_copy, dump_swap_insn_table,
10180         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
10181         recombine_lvx_pattern, recombine_stvx_pattern,
10182         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
10183         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
10184         to file rs6000-p8swap.c.
10185         * config/rs6000/rs6000-p8swap.c: New file.
10186         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
10187         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
10188         and rs6000*-*-* targets.
10190 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
10192         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
10194 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10196         * lto-wrapper.c (merge_and_complain): Do not merge
10197         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
10198         fsigned_zeros, ftrapping_math, fwrapv.
10199         (append_compiler_options): Do not track these options.
10200         (append_linker_options): Likewie
10202 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10204         * cgraphunit.c (cgraph_node::finalize_function): When
10205         !flag_toplevel_reorde set no_reorder flag.
10206         (varpool_node::finalize_decl): Likewise.
10207         (symbol_table::compile): Drop no toplevel reorder path.
10209 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10211         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
10212         edges; zero probability is not better than uninitialized.
10214 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
10216         * asan.h (asan_sanitize_allocas_p): Declare.
10217         * asan.c (asan_sanitize_allocas_p): New function.
10218         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
10219         (handle_builtin_alloca): Likewise.
10220         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
10221         if !asan_sanitize_allocas_p.
10222         * params.def (asan-instrument-allocas): Add new option.
10223         * params.h (ASAN_PROTECT_ALLOCAS): Define.
10224         * opts.c (common_handle_option): Disable allocas sanitization for
10225         KASan by default.
10227 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
10229         * asan.c: Include gimple-fold.h.
10230         (get_last_alloca_addr): New function.
10231         (handle_builtin_stackrestore): Likewise.
10232         (handle_builtin_alloca): Likewise.
10233         (asan_emit_allocas_unpoison): Likewise.
10234         (get_mem_refs_of_builtin_call): Add new parameter, remove const
10235         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
10236         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
10237         (instrument_builtin_call): Pass gimple iterator to
10238         get_mem_refs_of_builtin_call.
10239         (last_alloca_addr): New global.
10240         * asan.h (asan_emit_allocas_unpoison): Declare.
10241         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
10242         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
10243         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
10244         if function calls alloca.
10245         * gimple-fold.c (replace_call_with_value): Remove static keyword.
10246         * gimple-fold.h (replace_call_with_value): Declare.
10247         * internal-fn.c: Include asan.h.
10248         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
10249         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
10251 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
10253         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
10254         (C_SELFTEST_FLAGS): New.
10255         (CPP_SELFTEST_FLAGS): New.
10256         (SELFTEST_DEPS): New, from deps of s-selftest.
10257         (C_SELFTEST_DEPS): New, from deps of s-selftest.
10258         (CPP_SELFTEST_DEPS): New.
10259         (selftest): Add dependency on s-selftest-c++.
10260         (s-selftest): Rename to...
10261         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
10262         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
10263         than SELFTEST_FLAGS.
10264         (selftest-gdb): Rename to...
10265         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
10266         C_SELFTEST_FLAGS.
10267         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
10268         (selftest-valgrind): Rename to...
10269         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
10270         C_SELFTEST_FLAGS.
10271         (selftest-valgrind): Reintroduce as an alias for
10272         selftest-c-valgrind.
10273         (s-selftest-c++): New.
10274         (selftest-c++-gdb): New.
10275         (selftest-c++-valgrind): New.
10277 2017-07-06  Olivier Hainque  <hainque@adacore.com>
10279         * gcc.c (process_command): When deciding if undefined variables
10280         should be ignored when processing specs, accept "gcc -v" as well.
10282 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10284         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
10285         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
10287 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10289         * config/arm/arm-cpus.in (armv8-r): Add new entry.
10290         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
10291         * config/arm/arm-tables.opt: Regenerate.
10292         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
10293         enumerator.
10294         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
10296 2017-07-06  Carl Love  <cel@us.ibm.com>
10298         * ChangeLog: Clean up from mid air collision
10300 2017-07-06  Carl Love  <cel@us.ibm.com>
10302         * config/rs6000/rs6000-c.c: Add support for built-in functions
10303         vector signed int vec_subc (vector signed int, vector signed int);
10304         vector signed __int128 vec_subc (vector signed __int128,
10305                                          vector signed __int128);
10306         vector unsigned __int128 vec_subc (vector unsigned __int128,
10307                                            vector unsigned __int128);
10308         vector signed int vec_sube (vector signed int, vector signed int,
10309                                     vector signed int);
10310         vector unsigned int vec_sube (vector unsigned int,
10311                                       vector unsigned int,
10312                                       vector unsigned int);
10313         vector signed __int128 vec_sube (vector signed __int128,
10314                                          vector signed __int128,
10315                                          vector signed__int128);
10316         vector unsigned __int128 vec_sube (vector unsigned __int128,
10317                                            vector unsigned __int128,
10318                                            vector unsigned __int128);
10319         vector signed int vec_subec (vector signed int, vector signed int,
10320                                      vector signed int);
10321         vector unsigned int vec_subec (vector unsigned int,
10322                                        vector unsigned int,
10323                                        vector unsigned int);
10324         vector signed __int128 vec_subec (vector signed __int128,
10325                                           vector signed __int128,
10326                                           vector signed__int128);
10327         vector unsigned __int128 vec_subec (vector unsigned __int128,
10328                                             vector unsigned __int128,
10329                                             vector unsigned __int128);
10330         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
10331         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
10332         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
10333         BU_ALTIVEC_OVERLOAD_X definitions.
10334         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
10335         * doc/extend.texi: Update the built-in documentation file for the new
10336         built-in functions.
10338 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
10340         PR c++/79300
10341         * diagnostic-show-locus.c (layout::layout): Use start and finish
10342         spelling location for the start and finish of each range.
10343         * genmatch.c (linemap_client_expand_location_to_spelling_point):
10344         Add unused aspect param.
10345         * input.c (expand_location_1): Add "aspect" param, and use it
10346         to access the correct part of the location.
10347         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
10348         expand_location_1.
10349         (expand_location_to_spelling_point): Likewise.
10350         (linemap_client_expand_location_to_spelling_point): Add "aspect"
10351         param, and pass it to expand_location_1.
10353 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
10355         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
10356         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
10357         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
10358         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
10359         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
10360         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
10361         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
10362         _mm_maskz_getmant_ss): New intrinsics.
10363         (__builtin_ia32_getexpss128_mask): Changed to ...
10364         __builtin_ia32_getexpss128_round ... this.
10365         (__builtin_ia32_getexpsd128_mask): Changed to ...
10366         __builtin_ia32_getexpsd128_round ... this.
10367         * config/i386/i386-builtin-types.def
10368         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
10369         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
10370         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
10371         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
10372         __builtin_ia32_getmantss_mask_round): New builtins.
10373         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
10374         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
10375         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
10376         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
10377         * config/i386/sse.md
10378         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
10379         avx512f_sgetexp<mode><mask_scalar_name>
10380         <round_saeonly_scalar_name> ... this.
10381         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
10382         %0, %1, %2<round_saeonly_op3>}): Changed to ...
10383         vgetexp<ssescalarmodesuffix>
10384         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10385         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
10386         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
10387         avx512f_vgetmant<mode><mask_scalar_name>
10388         <round_saeonly_scalar_name> ... this.
10389         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
10390         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
10391         vgetmant<ssescalarmodesuffix>
10392         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
10393         %0<mask_scalar_operand4>, %1, %2
10394         <round_saeonly_scalar_mask_op4>, %3} ... this.
10395         * config/i386/subst.md (mask_scalar_operand4,
10396         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
10397         round_saeonly_scalar_nimm_predicate): New subst attributes.
10399 2017-07-06  Julia Koval  <julia.koval@intel.com>
10401         * config/i386/i386.c (ix86_erase_embedded_rounding):
10402         Remove code for old rounding pattern.
10404 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
10406         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
10408 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
10410         * doc/sourcebuild.texi (Test Directives, Variants of
10411         dg-require-support): Add documentation for dg-require-stack-check.
10413 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
10415         * config/i386/subst.md (mask_scalar, round_scalar,
10416         round_saeonly_scalar): New meta-templates.
10417         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
10418         round_scalar_mask_operand3, round_scalar_mask_op3,
10419         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
10420         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
10421         round_saeonly_scalar_constraint,
10422         round_saeonly_scalar_prefix): New subst attribute.
10423         * config/i386/sse.md
10424         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
10425         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
10426         <round_scalar_name> ... this.
10427         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
10428         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
10429         <round_scalar_name> ... this.
10430         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
10431         <sse>_vm<code><mode>3<mask_scalar_name>
10432         <round_saeonly_scalar_name> ... this.
10433         (v<plusminus_mnemonic><ssescalarmodesuffix>
10434         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
10435         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
10436         v<plusminus_mnemonic><ssescalarmodesuffix>
10437         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10438         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
10439         (v<multdiv_mnemonic><ssescalarmodesuffix>
10440         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
10441         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
10442         v<multdiv_mnemonic><ssescalarmodesuffix>
10443         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10444         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
10445         (v<maxmin_float><ssescalarmodesuffix>
10446         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
10447         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
10448         v<maxmin_float><ssescalarmodesuffix>
10449         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10450         %0<mask_scalar_operand3>, %1, %<iptr>2
10451         <round_saeonly_scalar_mask_op3>} ... this.
10453 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
10455         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
10456         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
10458 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
10459             Alan Hayward  <alan.hayward@arm.com>
10460             David Sherwood  <david.sherwood@arm.com>
10462         * combine.c (simplify_if_then_else): Remove "enum" before
10463         "machine_mode".
10464         * compare-elim.c (can_eliminate_compare): Likewise.
10465         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
10466         Likewise.
10467         (aarch64_lookup_simd_builtin_type): Likewise.
10468         (aarch64_simd_builtin_type): Likewise.
10469         (aarch64_init_simd_builtin_types): Likewise.
10470         (aarch64_simd_expand_args): Likewise.
10471         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
10472         Likewise.
10473         (aarch64_reverse_mask): Likewise.
10474         (aarch64_simd_emit_reg_reg_move): Likewise.
10475         (aarch64_gen_adjusted_ldpstp): Likewise.
10476         (aarch64_ccmp_mode_to_code): Likewise.
10477         (aarch64_operands_ok_for_ldpstp): Likewise.
10478         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
10479         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
10480         Likewise.
10481         (aarch64_min_divisions_for_recip_mul): Likewise.
10482         (aarch64_reassociation_width): Likewise.
10483         (aarch64_get_condition_code_1): Likewise.
10484         (aarch64_simd_emit_reg_reg_move): Likewise.
10485         (aarch64_simd_attr_length_rglist): Likewise.
10486         (aarch64_reverse_mask): Likewise.
10487         (aarch64_operands_ok_for_ldpstp): Likewise.
10488         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
10489         (aarch64_gen_adjusted_ldpstp): Likewise.
10490         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
10491         Likewise.
10492         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
10493         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
10494         (arm_lookup_simd_builtin_type): Likewise.
10495         (arm_simd_builtin_type): Likewise.
10496         (arm_init_simd_builtin_types): Likewise.
10497         (arm_expand_builtin_args): Likewise.
10498         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
10499         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
10500         (ft32_setup_incoming_varargs): Likewise.
10501         (ft32_function_arg): Likewise.
10502         (ft32_function_arg_advance): Likewise.
10503         (ft32_pass_by_reference): Likewise.
10504         (ft32_arg_partial_bytes): Likewise.
10505         (ft32_valid_pointer_mode): Likewise.
10506         (ft32_addr_space_pointer_mode): Likewise.
10507         (ft32_addr_space_legitimate_address_p): Likewise.
10508         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
10509         Likewise.
10510         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
10511         (ix86_emit_outlined_ms2sysv_restore): Likewise.
10512         (iamcu_alignment): Likewise.
10513         (canonicalize_vector_int_perm): Likewise.
10514         (ix86_noce_conversion_profitable_p): Likewise.
10515         (ix86_mpx_bound_mode): Likewise.
10516         (ix86_operands_ok_for_move_multiple): Likewise.
10517         * config/microblaze/microblaze-protos.h
10518         (microblaze_expand_conditional_branch_reg): Likewise.
10519         * config/microblaze/microblaze.c
10520         (microblaze_expand_conditional_branch_reg): Likewise.
10521         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
10522         Likewise.
10523         (rs6000_reassociation_width): Likewise.
10524         (rs6000_invalid_binary_op): Likewise.
10525         (fusion_p9_p): Likewise.
10526         (emit_fusion_p9_load): Likewise.
10527         (emit_fusion_p9_store): Likewise.
10528         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
10529         Likewise.
10530         (riscv_hard_regno_mode_ok_p): Likewise.
10531         (riscv_address_insns): Likewise.
10532         (riscv_split_symbol): Likewise.
10533         (riscv_legitimize_move): Likewise.
10534         (riscv_function_value): Likewise.
10535         (riscv_hard_regno_nregs): Likewise.
10536         (riscv_expand_builtin): Likewise.
10537         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
10538         (riscv_build_integer): Likewise.
10539         (riscv_split_integer): Likewise.
10540         (riscv_legitimate_constant_p): Likewise.
10541         (riscv_cannot_force_const_mem): Likewise.
10542         (riscv_regno_mode_ok_for_base_p): Likewise.
10543         (riscv_valid_base_register_p): Likewise.
10544         (riscv_valid_offset_p): Likewise.
10545         (riscv_valid_lo_sum_p): Likewise.
10546         (riscv_classify_address): Likewise.
10547         (riscv_legitimate_address_p): Likewise.
10548         (riscv_address_insns): Likewise.
10549         (riscv_load_store_insns): Likewise.
10550         (riscv_force_binary): Likewise.
10551         (riscv_split_symbol): Likewise.
10552         (riscv_force_address): Likewise.
10553         (riscv_legitimize_address): Likewise.
10554         (riscv_move_integer): Likewise.
10555         (riscv_legitimize_const_move): Likewise.
10556         (riscv_legitimize_move): Likewise.
10557         (riscv_address_cost): Likewise.
10558         (riscv_subword): Likewise.
10559         (riscv_output_move): Likewise.
10560         (riscv_canonicalize_int_order_test): Likewise.
10561         (riscv_emit_int_order_test): Likewise.
10562         (riscv_function_arg_boundary): Likewise.
10563         (riscv_pass_mode_in_fpr_p): Likewise.
10564         (riscv_pass_fpr_single): Likewise.
10565         (riscv_pass_fpr_pair): Likewise.
10566         (riscv_get_arg_info): Likewise.
10567         (riscv_function_arg): Likewise.
10568         (riscv_function_arg_advance): Likewise.
10569         (riscv_arg_partial_bytes): Likewise.
10570         (riscv_function_value): Likewise.
10571         (riscv_pass_by_reference): Likewise.
10572         (riscv_setup_incoming_varargs): Likewise.
10573         (riscv_print_operand): Likewise.
10574         (riscv_elf_select_rtx_section): Likewise.
10575         (riscv_save_restore_reg): Likewise.
10576         (riscv_for_each_saved_reg): Likewise.
10577         (riscv_register_move_cost): Likewise.
10578         (riscv_hard_regno_mode_ok_p): Likewise.
10579         (riscv_hard_regno_nregs): Likewise.
10580         (riscv_class_max_nregs): Likewise.
10581         (riscv_memory_move_cost): Likewise.
10582         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
10583         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
10584         (rl78_addr_space_address_mode): Likewise.
10585         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10586         Likewise.
10587         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
10588         (rs6000_reassociation_width): Likewise.
10589         (rs6000_invalid_binary_op): Likewise.
10590         (fusion_p9_p): Likewise.
10591         (emit_fusion_p9_load): Likewise.
10592         (emit_fusion_p9_store): Likewise.
10593         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
10594         (ok_for_simple_move_operands): Likewise.
10595         (ok_for_simple_move_strict_operands): Likewise.
10596         (ok_for_simple_arith_logic_operands): Likewise.
10597         (visium_legitimize_reload_address): Likewise.
10598         (visium_select_cc_mode): Likewise.
10599         (output_cbranch): Likewise.
10600         (visium_split_double_move): Likewise.
10601         (visium_expand_copysign): Likewise.
10602         (visium_expand_int_cstore): Likewise.
10603         (visium_expand_fp_cstore): Likewise.
10604         * config/visium/visium.c (visium_pass_by_reference): Likewise.
10605         (visium_function_arg): Likewise.
10606         (visium_function_arg_advance): Likewise.
10607         (visium_libcall_value): Likewise.
10608         (visium_setup_incoming_varargs): Likewise.
10609         (visium_legitimate_constant_p): Likewise.
10610         (visium_legitimate_address_p): Likewise.
10611         (visium_legitimize_address): Likewise.
10612         (visium_secondary_reload): Likewise.
10613         (visium_register_move_cost): Likewise.
10614         (visium_memory_move_cost): Likewise.
10615         (prepare_move_operands): Likewise.
10616         (ok_for_simple_move_operands): Likewise.
10617         (ok_for_simple_move_strict_operands): Likewise.
10618         (ok_for_simple_arith_logic_operands): Likewise.
10619         (visium_function_value_1): Likewise.
10620         (rtx_ok_for_offset_p): Likewise.
10621         (visium_legitimize_reload_address): Likewise.
10622         (visium_split_double_move): Likewise.
10623         (visium_expand_copysign): Likewise.
10624         (visium_expand_int_cstore): Likewise.
10625         (visium_expand_fp_cstore): Likewise.
10626         (visium_split_cstore): Likewise.
10627         (visium_select_cc_mode): Likewise.
10628         (visium_split_cbranch): Likewise.
10629         (output_cbranch): Likewise.
10630         (visium_print_operand_address): Likewise.
10631         * expmed.c (flip_storage_order): Likewise.
10632         * expmed.h (emit_cstore): Likewise.
10633         (flip_storage_order): Likewise.
10634         * genrecog.c (validate_pattern): Likewise.
10635         * hsa-gen.c (gen_hsa_addr): Likewise.
10636         * internal-fn.c (expand_arith_overflow): Likewise.
10637         * ira-color.c (allocno_copy_cost_saving): Likewise.
10638         * lra-assigns.c (find_hard_regno_for_1): Likewise.
10639         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
10640         (process_invariant_for_inheritance): Likewise.
10641         * lra-eliminations.c (move_plus_up): Likewise.
10642         * omp-low.c (lower_oacc_reductions): Likewise.
10643         * simplify-rtx.c (simplify_subreg): Likewise.
10644         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
10645         (TARGET_CHKP_BOUND_MODE): Likewise..
10646         * targhooks.c (default_chkp_bound_mode): Likewise.
10647         (default_setup_incoming_vararg_bounds): Likewise.
10648         * targhooks.h (default_chkp_bound_mode): Likewise.
10649         (default_setup_incoming_vararg_bounds): Likewise.
10650         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
10651         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
10652         (have_whole_vector_shift): Likewise.
10653         * tree-vect-stmts.c (vectorizable_load): Likewise.
10654         * doc/tm.texi: Regenerate.
10656 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
10658         Graceful degrade if Binutils PR21472 is not available.
10660         PR target/81072
10661         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
10662         .rodata in flash test fails.
10663         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
10664         * confgure: Regenerate.
10665         * config.in: Regenerate.
10666         * config/avr/avr.c (avr_asm_named_section)
10667         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
10668         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
10669         (avr_asm_init_sections): Same.
10671 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10673         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
10674         (fma<VH:mode>4_intrinsic): Likewise.
10675         (*fmsub<VCVTF:mode>4): Likewise.
10676         (*fmsub<VH:mode>4_intrinsic): Likewise.
10678 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
10680         PR target/81305
10681         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
10682         Don't depend on "optimize > 0".
10683         (out_movhi_r_mr, out_movqi_mr_r): Same.
10684         (out_movhi_mr_r, out_movqi_r_mr): Same.
10685         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
10686         io_address_operand on "optimize > 0".
10688 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10690         * tree-loop-distribution.c: Add general explanantion on the pass.
10691         (generate_loops_for_partition): Mark distributed loop.
10692         (pg_add_dependence_edges): New parameter.  Handle alias data
10693         dependence specially and record it in the parameter if asked.
10694         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
10695         (init_partition_graph_vertices, add_partition_graph_edge): New.
10696         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
10697         (free_partition_graph_vdata, build_partition_graph): New.
10698         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
10699         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
10700         (data_ref_segment_size, latch_dominated_by_data_ref): New.
10701         (compute_alias_check_pairs, version_loop_by_alias_check): New.
10702         (version_for_distribution_p, finalize_partitions): New.
10703         (distribute_loop): Handle alias data dependence specially.  Factor
10704         out loop fusion code as functions and call these functions.
10706 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10708         * tree-loop-distribution.c (classify_partition): New parameter and
10709         better handle reduction statement.
10710         (rdg_build_partitions): Revise comment.
10711         (distribute_loop): Compute statements in all partitions and pass it
10712         to classify_partition.
10714 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10716         * tree-loop-distribution.c (enum partition_type): New.
10717         (struct partition): New field type.
10718         (partition_merge_into): Add parameter.  Update partition type.
10719         (data_dep_in_cycle_p, update_type_for_merge): New functions.
10720         (build_rdg_partition_for_vertex): Compute partition type.
10721         (rdg_build_partitions): Dump partition type.
10722         (distribute_loop): Update calls to partition_merge_into.
10724 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10726         * tree-loop-distribution.c (struct ddr_hasher): New.
10727         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
10728         (ddrs_table): New.
10729         (classify_partition): Call get_data_dependence.
10730         (pg_add_dependence_edges): Ditto.
10731         (distribute_loop): Release data dependence hash table.
10733 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10735         * tree-loop-distribution.c (ref_base_address): Delete.
10736         (similar_memory_accesses): Rename ...
10737         (share_memory_accesses): ... to this.  Check if partitions access
10738         the same memory reference.
10739         (distribute_loop): Call share_memory_accesses.
10741 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10743         * tree-loop-distribution.c (struct partition): New field recording
10744         its data reference.
10745         (partition_alloc, partition_free): Init and release data refs.
10746         (partition_merge_into): Merge data refs.
10747         (build_rdg_partition_for_vertex): Collect data refs for partition.
10748         (pg_add_dependence_edges): Change parameters from vector to bitmap.
10749         Update uses.
10750         (distribute_loop): Remve data refs from vertice data of partition
10751         graph.
10753 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10755         * tree-loop-distribution.c (params.h): Include header file.
10756         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
10757         (datarefs_vec): New global var.
10758         (create_rdg_vertices): Use datarefs_vec directly.
10759         (free_rdg): Don't free data references.
10760         (build_rdg): Update use.  Don't free data references.
10761         (distribute_loop): Compute global variable for data references.
10762         Bail out if there are too many data references.
10764 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10766         * tree-loop-distribution.c (loop_nest): New global var.
10767         (build_rdg): Use loop directly, rather than loop nest.
10768         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
10769         variable directly.
10770         (distribute_loop): Compute global variable loop nest.  Update use.
10772 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10774         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
10775         (partition_merge_into): New parameter.  Dump reason for fusion.
10776         (distribute_loop): Update use of partition_merge_into.
10778 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10780         * tree-loop-distribution.c (bb_top_order_index): New.
10781         (bb_top_order_index_size, bb_top_order_cmp): New.
10782         (stmts_from_loop): Use topological order.
10783         (pass_loop_distribution::execute): Compute and release topological
10784         order for basic blocks.
10786 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10788         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
10789         if no loops.
10791 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10793         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
10794         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
10795         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
10796         * internal-fn.def (LOOP_DIST_ALIAS): New.
10797         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
10798         (fold_loop_internal_call): ... this.
10799         (vect_loop_dist_alias_call): New function.
10800         (set_uid_loop_bbs): Call fold_loop_internal_call.
10801         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
10802         internal calls.
10804 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
10806         PR target/81300
10807         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
10808         Require dead FLAGS_REG at the beginning of a peephole.
10810 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
10812         PR target/81294
10813         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
10814         arguments in the call to __builtin_ia32_sbb_u32.
10815         (_subborrow_u64): Swap _X and _Y arguments in the call to
10816         __builtin_ia32_sbb_u64.
10818 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
10820         PR debug/81278
10821         * tree-vrp.c (compare_assert_loc): Turn into a function template
10822         with stable template parameter.  Only test if a->e is NULL,
10823         !a->e == !b->e has been verified already.  Use e == NULL or
10824         e != NULL instead of e or ! e tests.  If stable is true, don't use
10825         iterative_hash_expr, on the other side allow a or b or both NULL
10826         and sort the NULLs last.
10827         (process_assert_insertions): Sort using compare_assert_loc<false>
10828         instead of compare_assert_loc, later sort using
10829         compare_assert_loc<true> before calling process_assert_insertions_for
10830         in a loop.  Use break instead of continue once seen NULL pointer.
10832 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10834         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
10835         Cortex-R7 and Cortex-R8 processors.
10837 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10839         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
10840         uninitialized while src is not.
10842 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
10844         * common/config/arm/arm-common.c: Adjust include path for
10845         arm-cpu-cdata.h
10846         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
10847         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
10848         (arm-cpu-data.h): Likewise.
10849         (arm-cpu-cdata.h): Likewise.
10850         * config/arm/arm-cpu.h: Delete.
10851         * config/arm/arm-cpu-cdata.h: Delete.
10852         * config/arm/arm-cpu-data.h: Delete.
10854 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
10856         * config/arm/arm-cpus.in (cortex-a55): New.
10857         (cortex-a75): Likewise.
10858         (cortex-a75.cortex-a55): Likewise.
10859         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
10860         cortex-a75.
10861         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
10862         * config/arm/arm-cpu-cdata.h: Regenerate.
10863         * config/arm/arm-cpu-data.h: Regenerate.
10864         * config/arm/arm-cpu.h: Regenerate.
10865         * config/arm/arm-tables.opt: Regenerate.
10866         * config/arm/arm-tune.md: Regenerate.
10868 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10870         * haifa-sched.c (sched_create_recovery_edges): Update profile.
10872 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10874         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
10875         probability.
10877 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
10879         PR tree-optimization/81292
10880         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
10881         full_string_p, also call adjust_related_strinfos if the adjustment
10882         is simple, otherwise invalidate related strinfos.
10884 2017-07-04  Martin Liska  <mliska@suse.cz>
10886         PR sanitizer/81040
10887         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
10888         newly created variable as DECL_IGNORED_P.
10890 2017-07-04  Martin Liska  <mliska@suse.cz>
10892         PR ipa/81293
10893         * ipa-inline.c (inline_small_functions):
10894         Use xstrdup_for_dump.
10896 2017-07-04  Tom de Vries  <tom@codesourcery.com>
10898         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
10900 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10902         PR target/81033
10903         * config/darwin.c (darwin_function_switched_text_sections):
10904         Fix spaces.
10906 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
10908         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
10910 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10912         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
10914 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10916         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
10917         min_profitable_iters, and th as inclusive lower bounds.
10918         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
10919         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
10920         for min_profitable_iters and min_profitable_estimate.
10921         (vect_transform_loop): Treat th as an inclusive lower bound.
10922         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10924 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10926         PR target/81033
10927         * config/darwin.c (darwin_function_switched_text_sections):
10928         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
10929         in two pieces, and suppress the use of buf.
10931 2017-07-03  Nathan Sidwell  <nathan@acm.org>
10933         * hash-table.h (hash_table_mod1): Fix indentation.
10935 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10937         PR middle-end/81290
10938         * predict.c (force_edge_cold): Be more careful about propagation
10939         backward.
10940         * profile-count.h (profile_probability::guessed,
10941         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
10942         New.
10943         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
10945 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
10947         * doc/invoke.texi (rcpc architecture extension): Document it.
10949 2017-07-03  Richard Biener  <rguenther@suse.de>
10951         PR tree-optimization/60510
10952         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
10953         the scalar reduction PHI and use it.
10954         (vectorizable_reduction): Properly guard the single_defuse_cycle
10955         path for non-SLP reduction chains where we cannot use it.
10956         Rework reduc_def/index and vector type deduction.  Rework
10957         vector operand gathering during reduction op code-gen.
10958         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
10959         chains dissolve the chain and leave it to non-SLP reduction
10960         handling.
10962 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10964         * tree-data-ref.h (dr_alignment): Declare.
10965         * tree-data-ref.c (dr_alignment): New function.
10966         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
10967         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
10968         set it.
10969         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
10971 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10973         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
10974         and base_misalignment fields.
10975         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
10976         * tree-data-ref.c: Include builtins.h.
10977         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
10978         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
10979         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
10980         * tree-vect-data-refs.c: Include tree-cfg.h.
10981         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
10982         fields instead of calculating an alignment here.
10983         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
10984         innermost_loop_behavior fields.
10986 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10988         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
10989         field.
10990         (DR_STEP_ALIGNMENT): New macro.
10991         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
10992         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
10993         (create_data_ref): Print it.
10994         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
10995         to tell whether the step preserves vector (mis)alignment.
10996         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
10997         Move the check for an integer step and generalise to all INTEGER_CST.
10998         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
10999         Print the outer step alignment.
11001 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
11003         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
11004         with offset_alignment.
11005         (DR_ALIGNED_TO): Delete.
11006         (DR_OFFSET_ALIGNMENT): New macro.
11007         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
11008         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
11009         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
11010         (create_data_ref): Likewise.
11011         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
11012         (vect_analyze_data_refs): Likewise.
11013         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
11014         creating dummy innermost behavior.
11016 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
11018         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
11019         with a "innermost_loop_behavior *" and refeence tree.
11020         * tree-data-ref.c (dr_analyze_innermost): Likewise.
11021         (create_data_ref): Update call accordingly.
11022         * tree-predcom.c (find_looparound_phi): Likewise.
11024 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
11026         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
11027         fields with dr_wrt_vec_loop.
11028         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
11029         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
11030         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
11031         (vect_dr_behavior): New function.
11032         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
11033         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
11034         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
11035         track whether the step preserves the misalignment.
11036         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
11037         Use vect_dr_behavior.
11038         (vect_setup_realignment): Update call accordingly.
11039         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
11040         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
11041         call to vect_create_addr_base_for_vector_ref.
11042         (vect_create_cond_for_align_checks): Likewise.
11043         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
11044         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
11045         (vect_recog_mask_conversion_pattern): Likewise.
11046         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
11047         (new_stmt_vec_info): Remove redundant zeroing.
11049 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
11051         * common/config/arm/arm-common.c (arm_be8_option): New function.
11052         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
11053         (ISA_ARMv6): Add isa_bit_be8.
11054         * config/arm/arm.h (arm_be8_option): Add prototype.
11055         (BE8_SPEC_FUNCTION): New define.
11056         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
11057         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
11058         (mlittle-endian): Similarly.
11059         (mbe8, mbe32): New options.
11060         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
11061         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
11063 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11065         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
11067 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11069         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
11070         (cleanup_tree_cfg_bb): Use it.
11071         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
11072         New functions.
11073         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
11075 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11077         PR bootstrap/81285
11078         * loop-doloop.c (add_test): Update profile.
11080 2017-07-03  Martin Liska  <mliska@suse.cz>
11082         PR sanitize/81040
11083         * sanopt.c (rewrite_usage_of_param): New function.
11084         (sanitize_rewrite_addressable_params): Likewise.
11085         (pass_sanopt::execute): Call rewrite_usage_of_param.
11087 2017-07-03  Richard Biener  <rguenther@suse.de>
11089         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
11090         back to using VIEW_CONVERT_EXPR.
11092 2017-07-03  Martin Liska  <mliska@suse.cz>
11094         PR other/78366
11095         * doc/extend.texi: Document when a resolver function is
11096         generated for target_clones.
11098 2017-07-03  Martin Liska  <mliska@suse.cz>
11100         * asan.c (asan_emit_stack_protection): Unpoison just red zones
11101         and shadow memory of auto variables which are subject of
11102         use-after-scope sanitization.
11103         (asan_expand_mark_ifn): Add do set only when is_poison.
11105 2016-07-03  Richard Biener  <rguenther@suse.de>
11107         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
11108         reduction PHIs.
11109         (vect_force_simple_reduction): Record reduction def -> phi mapping.
11110         (vectorizable_reduction): Perform reduction PHI creation when
11111         visiting a reduction PHI and adjust and simplify code generation
11112         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
11113         (vect_transform_loop): Visit reduction PHIs.
11114         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
11115         defs into the SLP tree.
11116         (vect_build_slp_tree): Reduction defs terminate the recursion.
11117         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
11118         of reduction defs.
11119         (vect_get_vec_defs_for_stmt_copy): Export.
11120         (vect_get_vec_defs): Likewise.
11121         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
11122         purpose.
11123         (vect_get_vec_defs_for_stmt_copy): Declare.
11124         (vect_get_vec_defs): Likewise.
11126 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
11128         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
11129         parameter with a "loop" parameter and use it instead of the
11130         loop containing DR_STMT.  Don't check simple_iv when doing
11131         BB analysis.  Describe the two analysis modes in the comment.
11133 2017-07-03  Tom de Vries  <tom@codesourcery.com>
11135         PR tree-optimization/69468
11136         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
11137         (find_same_succ_bb): Handle ignore_edge_flags.
11139 2017-07-03  Tom de Vries  <tom@codesourcery.com>
11141         PR tree-optimization/81192
11142         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
11143         hash.
11144         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
11145         differs.
11146         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
11148 2017-07-03  Tom de Vries  <tom@codesourcery.com>
11150         PR tree-optimization/81192
11151         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
11152         BB_SAME_SUCC (bb) == NULL.
11154 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11156         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
11157         consistency.
11159 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11161         * dumpfile.c: Include profile-count.h
11162         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
11163         update profile.
11164         (insert_cond_bb): Update profile.
11165         * tree-cfg.h (insert_cond_bb): Update prototype.
11166         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
11167         * tree-dump.c: Do not include tree-cfg.
11169 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11171         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
11173 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11175         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
11176         bb.
11178 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
11180         * tree-complex.c (expand_complex_div_wide): update profile.
11182 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11183             Alan Hayward  <alan.hayward@arm.com>
11184             David Sherwood  <david.sherwood@arm.com>
11186         * Makefile.in (MACHMODE_H): Remove insn-modes.h
11187         (CORETYPES_H): New define.
11188         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
11189         (insn-modes-inline.h, s-modes-inline-h): New rules.
11190         (generated_files): Add insn-modes-inline.h.
11191         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
11192         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
11193         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
11194         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
11195         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
11196         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
11197         (build/gencodes.o, build/genconditions.o): Likewise.
11198         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
11199         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
11200         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
11201         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
11202         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
11203         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
11204         * coretypes.h: Include everything up to real.h for generators.
11205         Include insn-modes.h first.  Include wide-int-print.h after
11206         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
11207         * machmode.h: Don't include insn-modes.h here.
11208         * function-tests.c: Remove includes of signop.h, machmode.h,
11209         double-int.h and wide-int.h.
11210         * rtl.h: Likewise.
11211         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
11212         and wide-int.h.
11213         * optc-save-gen.awk: Likewise.
11214         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
11215         * godump.c: Remove include of wide-int-print.h.
11216         * pretty-print.h: Likewise.
11217         * wide-int-print.cc: Likewise.
11218         * wide-int.cc: Likewise.
11219         * hash-map-tests.c: Remove include of signop.h.
11220         * hash-set-tests.c: Likewise.
11221         * rtl-tests.c: Likewise.
11222         * mkconfig.sh: Remove include of machmode.h.
11223         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
11224         into...
11225         (emit_insn_modes_inline_h): ...this new function.  Emit the code
11226         into an insn-modes-inline.h header file, adding appropriate
11227         include guards and end comments.
11228         (emit_insn_modes_c_header): Remove include of machmode.h.
11229         (emit_min_insn_modes_c_header): Include coretypes.h rather than
11230         machmode.h.
11231         (main): Handle -i flag and call emit_insn_modes_inline_h when
11232         it is passed.
11234 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11236         * tree-ssa-strlen.c (strinfo): Rename the length field to
11237         nonzero_chars.  Add a full_string_p field.
11238         (compare_nonzero_chars, zero_length_string_p): New functions.
11239         (get_addr_stridx): Add an offset_out parameter.
11240         Use compare_nonzero_chars.
11241         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
11242         (new_strinfo): Update after above changes to strinfo.
11243         (set_endptr_and_length): Set full_string_p.
11244         (get_string_length): Update after above changes to strinfo.
11245         (unshare_strinfo): Update call to new_strinfo.
11246         (maybe_invalidate): Likewise.
11247         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
11248         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
11249         as a uhwi instead of an shwi.  Update after above changes to
11250         strinfo and new_strinfo.
11251         (zero_length_string): Assert that chainsi contains full strings.
11252         Use zero_length_string_p.  Update call to new_strinfo.
11253         (adjust_related_strinfos): Update after above changes to strinfo.
11254         Copy full_string_p from origsi.
11255         (adjust_last_stmt): Use zero_length_string_p.
11256         (handle_builtin_strlen): Update after above changes to strinfo and
11257         new_strinfo.  Install the lhs as the string length if the previous
11258         entry didn't describe a full string.
11259         (handle_builtin_strchr): Update after above changes to strinfo
11260         and new_strinfo.
11261         (handle_builtin_strcpy): Likewise.
11262         (handle_builtin_strcat): Likewise.
11263         (handle_builtin_malloc): Likewise.
11264         (handle_pointer_plus): Likewise.
11265         (handle_builtin_memcpy): Likewise.  Track nonzero characters
11266         that aren't necessarily followed by a nul terminator.
11267         (handle_char_store): Likewise.
11269 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11271         PR tree-optimization/80769
11272         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
11273         for malloc and calloc.  Document the new invariant that all related
11274         strinfos have delayed lengths or none do.
11275         (verify_related_strinfos): Move earlier in file.
11276         (set_endptr_and_length): New function, split out from...
11277         (get_string_length): ...here.  Also set the lengths of related
11278         strinfos.
11279         (zero_length_string): Assert that chainsi has known (rather than
11280         delayed) lengths.
11281         (adjust_related_strinfos): Likewise.
11283 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11285         PR tree-optimization/81136
11286         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
11287         assert that two references with the same misalignment have the same
11288         compile-time misalignment if those compile-time misalignments
11289         are known.
11291 2017-07-01  Andi Kleen  <ak@linux.intel.com>
11293         * print-tree.c (print_node): Print all attributes.
11295 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11297         * cfg.c (scale_bbs_frequencies): New function.
11298         * cfg.h (scale_bbs_frequencies): Declare it.
11299         * cfgloopanal.c (single_likely_exit): Cleanup.
11300         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
11301         as parameter.
11302         (scale_loop_profile): Likewise.
11303         (loop_version): Likewise.
11304         (create_empty_loop_on_edge): Update.
11305         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
11306         scale_loop_frequencies, scale_loop_profile, loopify,
11307         loop_version): Update prototypes.
11308         * modulo-sched.c (sms_schedule): Update.
11309         * predict.c (unlikely_executed_edge_p): Also check probability.
11310         (probably_never_executed_edge_p): Fix typo.
11311         * tree-if-conv.c (version_loop_for_if_conversion): Update.
11312         * tree-parloops.c (gen_parallel_loop): Update.
11313         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
11314         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
11315         * tree-ssa-loop-split.c (split_loop): Update.
11316         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
11317         * tree-vect-loop-manip.c (vect_do_peeling): Update.
11318         (vect_loop_versioning): Update.
11319         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
11321 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11323         * trans-mem.c (split_bb_make_tm_edge): Update profile.
11325 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11327         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
11328         to keep profile consistent.
11330 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11332         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
11333         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
11334         * profile-count.h (max_safe_multiplier): Make unsigned.
11335         (profile_count::guessed_zero): New.
11337 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11339         * bb-reorder.c (fix_up_crossing_landing_pad,
11340         fix_crossing_conditional_branches): Use make_single_succ_edge
11341         to keep profile consistent.
11343 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11345         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
11346         to update profile.
11348 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
11350         PR sanitizer/81262
11351         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
11352         the right scopes, make sure cond_jump isn't preserved between multiple
11353         iterations.  Search for fallthru edge whenever there are 3+ edges and
11354         use find_fallthru_edge for it.
11356 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11358         Patch by Alexander Monakov <amonakov@ispras.ru>
11359         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
11360         probabilities consistently.
11362 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11364         * pa.c (pa_expand_compare_and_swap_loop): Update call of
11365         emit_cmp_and_jump_insns.
11367 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11369         PR ipa/81261
11370         * tree-inline.c (expand_call_inline): Combine profile statuses.
11372 2017-06-30  Andrew Pinski  <apinski@cavium.com>
11374         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
11375         fold_stmt returned true.
11377 2017-06-30  Nathan Sidwell  <nathan@acm.org>
11379         * ggc.h (empty_string): Delete.
11380         * cfgexpand.c (expand_asm_stmt): Use plain "".
11381         * optabs.c (expand_asm_memory_barrier): Likewise.
11382         * stringpool.c (empty_string): Delete.
11383         (digit_vector, digit_string): Delete.
11384         (ggc_alloc_string): Use plain "", don't optimize single digit
11385         strings.  Use ggc_alloc_atomic.
11387 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
11389         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
11390         comparison set and one other set, use the cost of the non-comparison
11391         set.
11393 2017-06-30  Nathan Sidwell  <nathan@acm.org>
11395         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
11396         some formatting.
11398 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
11400         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
11401         loops.  Remove now unneeded calls to gimple_switch_set_label() that
11402         just set removed labels to NULL_TREE.
11404 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
11406         * tree-ssanames.c (set_range_info_raw): Abstract from ...
11407         (set_range_info): ...here.  Only call set_range_info_raw if domain
11408         is useful.
11409         (set_nonzero_bits): Call set_range_info_raw.
11410         * tree-ssanames.h (set_range_info_raw): New.
11412 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
11414         PR target/81225
11415         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
11416         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
11417         of nonimmediate_operand and <store_mask_constraint> instead of m
11418         for the input operand.  For V8FI iterator, always split if input
11419         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
11420         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
11421         <store_mask_predicate> instead of register_operand and
11422         <store_mask_constraint> instead of v for the input operand.  Make
11423         sure both operands aren't MEMs for if not <mask_applied>.
11425 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
11427         * lto-wrapper.c (copy_file) Close both file descriptors before
11428         exiting normally.
11430 2017-06-30  Martin Liska  <mliska@suse.cz>
11432         PR ipa/81214
11433         * multiple_target.c (create_dispatcher_calls): Make ifunc
11434         also for function that don't have calls or are not referenced.
11436 2017-06-30  Richard Biener  <rguenther@suse.de>
11438         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
11439         analyze the first scalar stmt.  Move vector type computation
11440         for the BB case here from ...
11441         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
11442         live operation processing in the SLP case properly.
11444 2017-06-30  Richard Biener  <rguenther@suse.de>
11446         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
11448 2017-06-30  Martin Liska  <mliska@suse.cz>
11450         PR sanitizer/81021
11451         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
11452         before BUILT_IN_UNWIND_RESUME when ASAN is used.
11454 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
11456         * doc/invoke.texi (AArch64): Add missing options and remove redundant
11457         ones.
11459 2017-06-30  Richard Biener  <rguenther@suse.de>
11461         PR tree-optimization/81249
11462         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
11463         condition reduction result to original scalar type.
11465 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11467         * profile-count.h (enum profile_quality): Fix typos and whitespace
11468         issues.
11470 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11472         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
11473         type for branch probabilities.
11475 2017-06-29  Julian Brown  <julian@codesourcery.com>
11476             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11478         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
11479         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
11480         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
11481         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
11483 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11485         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
11486         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
11487         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
11488         CC usage from generic code to here.
11489         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
11490         CC usage into the target macros.
11492 2017-06-29  Maya Rashish  <coypu@sdf.org>
11494         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
11495         objects.
11497 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11499         * arm/arm-builtins.c: Include profile-count.h
11500         * except.c (sjlj_emit_function_enter): Use
11501         profile_probability::unlikely.
11503 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11505         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
11506         and tocrel_offset be pointer args rather than implicitly using
11507         static versions.
11508         (legitimate_constant_pool_address_p, rs6000_emit_move,
11509         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
11510         tocrel_offset and use in toc_relative_expr_p call.
11511         (print_operand, print_operand_address): Use static tocrel_base_oac
11512         and tocrel_offset_oac.
11513         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
11514         tocrel_offset_oac.
11516 2017-06-29  Maya Rashish  <coypu@sdf.org>
11518         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
11520 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11522         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
11523         objects, take into account only the alignment of 'op0' and 'mode1' if
11524         'op0' is a MEM.
11526 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
11528         * ccmp.c (ccmp_tree_comparison_p): New function.
11529         (ccmp_candidate_p): Update to use above function.
11530         (get_compare_parts): New function.
11531         (expand_ccmp_next): Update to use new functions.
11532         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
11533         new functions.
11534         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
11535         take mode as argument.
11536         * ccmp.h (expand_ccmp_expr): Add mode as argument.
11537         * expr.c (expand_expr_real_1): Pass mode as argument.
11539 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
11541         * combine.c (combine_instructions): Print insns to dump_file, together
11542         with their costs.
11544 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11546         * asan.c (asan_emit_stack_protection): Update.
11547         (create_cond_insert_point): Update.
11548         * auto-profile.c (afdo_propagate_circuit): Update.
11549         * basic-block.h (struct edge_def): Turn probability to
11550         profile_probability.
11551         (EDGE_FREQUENCY): Update.
11552         * bb-reorder.c (find_traces_1_round): Update.
11553         (better_edge_p): Update.
11554         (sanitize_hot_paths): Update.
11555         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
11556         (make_single_succ_edge): Update.
11557         (check_bb_profile): Update.
11558         (dump_edge_info): Update.
11559         (update_bb_profile_for_threading): Update.
11560         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
11561         probabilitycount to 0.
11562         * cfgbuild.c (compute_outgoing_frequencies): Update.
11563         * cfgcleanup.c (try_forward_edges): Update.
11564         (outgoing_edges_match): Update.
11565         (try_crossjump_to_edge): Update.
11566         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
11567         (expand_gimple_tailcall): Update.
11568         (construct_init_block): Use make_single_succ_edge.
11569         (construct_exit_block): Use make_single_succ_edge.
11570         * cfghooks.c (verify_flow_info): Update.
11571         (redirect_edge_succ_nodup): Update.
11572         (split_edge): Update.
11573         (account_profile_record): Update.
11574         * cfgloopanal.c (single_likely_exit): Update.
11575         * cfgloopmanip.c (scale_loop_profile): Update.
11576         (set_zero_probability): Remove.
11577         (duplicate_loop_to_header_edge): Update.
11578         * cfgloopmanip.h (loop_version): Update prototype.
11579         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
11580         (force_nonfallthru_and_redirect): Update.
11581         (update_br_prob_note): Update.
11582         (rtl_verify_edges): Update.
11583         (purge_dead_edges): Update.
11584         (rtl_lv_add_condition_to_bb): Update.
11585         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
11586         * cgraphunit.c (init_lowered_empty_function): Update.
11587         (cgraph_node::expand_thunk): Update.
11588         * cilk-common.c: Include profile-count.h
11589         * dojump.c (inv): Remove.
11590         (jumpifnot): Update.
11591         (jumpifnot_1): Update.
11592         (do_jump_1): Update.
11593         (do_jump): Update.
11594         (do_jump_by_parts_greater_rtx): Update.
11595         (do_compare_rtx_and_jump): Update.
11596         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
11597         do_jump_1. do_compare_rtx_and_jump): Update prototype.
11598         * dwarf2cfi.c: Include profile-count.h
11599         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
11600         (sjlj_emit_dispatch_table): Likewise.
11601         * explow.c: Include profile-count.h
11602         * expmed.c (emit_store_flag_force): Update.
11603         (do_cmp_and_jump): Update.
11604         * expr.c (compare_by_pieces_d::generate): Update.
11605         (compare_by_pieces_d::finish_mode): Update.
11606         (emit_block_move_via_loop): Update.
11607         (store_expr_with_bounds): Update.
11608         (store_constructor): Update.
11609         (expand_expr_real_2): Update.
11610         (expand_expr_real_1): Update.
11611         * expr.h (try_casesi, try_tablejump): Update prototypes.
11612         * gimple-pretty-print.c (dump_probability): Update.
11613         (dump_profile): New.
11614         (dump_gimple_label): Update.
11615         (dump_gimple_bb_header): Update.
11616         * graph.c (draw_cfg_node_succ_edges): Update.
11617         * hsa-gen.c (convert_switch_statements): Update.
11618         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
11619         (find_if_case_1): Update.
11620         (find_if_case_2): Update.
11621         * internal-fn.c (expand_arith_overflow_result_store): Update.
11622         (expand_addsub_overflow): Update.
11623         (expand_neg_overflow): Update.
11624         (expand_mul_overflow): Update.
11625         (expand_vector_ubsan_overflow): Update.
11626         * ipa-cp.c (good_cloning_opportunity_p): Update.
11627         * ipa-split.c (split_function): Use make_single_succ_edge.
11628         * ipa-utils.c (ipa_merge_profiles): Update.
11629         * loop-doloop.c (add_test): Update.
11630         (doloop_modify): Update.
11631         * loop-unroll.c (compare_and_jump_seq): Update.
11632         (unroll_loop_runtime_iterations): Update.
11633         * lra-constraints.c (lra_inheritance): Update.
11634         * lto-streamer-in.c (input_cfg): Update.
11635         * lto-streamer-out.c (output_cfg): Update.
11636         * mcf.c (adjust_cfg_counts): Update.
11637         * modulo-sched.c (sms_schedule): Update.
11638         * omp-expand.c (expand_omp_for_init_counts): Update.
11639         (extract_omp_for_update_vars): Update.
11640         (expand_omp_ordered_sink): Update.
11641         (expand_omp_for_ordered_loops): Update.
11642         (expand_omp_for_generic): Update.
11643         (expand_omp_for_static_nochunk): Update.
11644         (expand_omp_for_static_chunk): Update.
11645         (expand_cilk_for): Update.
11646         (expand_omp_simd): Update.
11647         (expand_omp_taskloop_for_outer): Update.
11648         (expand_omp_taskloop_for_inner): Update.
11649         * omp-simd-clone.c (simd_clone_adjust): Update.
11650         * optabs.c (expand_doubleword_shift): Update.
11651         (expand_abs): Update.
11652         (emit_cmp_and_jump_insn_1): Update.
11653         (expand_compare_and_swap_loop): Update.
11654         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
11655         * predict.c (predictable_edge_p): Update.
11656         (edge_probability_reliable_p): Update.
11657         (set_even_probabilities): Update.
11658         (combine_predictions_for_insn): Update.
11659         (combine_predictions_for_bb): Update.
11660         (propagate_freq): Update.
11661         (estimate_bb_frequencies): Update.
11662         (force_edge_cold): Update.
11663         * profile-count.c (profile_count::dump): Add missing space into dump.
11664         (profile_count::debug): Add newline.
11665         (profile_count::differs_from_p): Explicitly convert to unsigned.
11666         (profile_count::stream_in): Update.
11667         (profile_probability::dump): New member function.
11668         (profile_probability::debug): New member function.
11669         (profile_probability::differs_from_p): New member function.
11670         (profile_probability::differs_lot_from_p): New member function.
11671         (profile_probability::stream_in): New member function.
11672         (profile_probability::stream_out): New member function.
11673         * profile-count.h (profile_count_quality): Rename to ...
11674         (profile_quality): ... this one.
11675         (profile_probability): New.
11676         (profile_count): Update.
11677         * profile.c (compute_branch_probabilities): Update.
11678         * recog.c (peep2_attempt): Update.
11679         * sched-ebb.c (schedule_ebbs): Update.
11680         * sched-rgn.c (find_single_block_region): Update.
11681         (compute_dom_prob_ps): Update.
11682         (schedule_region): Update.
11683         * sel-sched-ir.c (compute_succs_info): Update.
11684         * stmt.c (struct case_node): Update.
11685         (do_jump_if_equal): Update.
11686         (get_outgoing_edge_probs): Update.
11687         (conditional_probability): Update.
11688         (emit_case_dispatch_table): Update.
11689         (expand_case): Update.
11690         (expand_sjlj_dispatch_table): Update.
11691         (emit_case_nodes): Update.
11692         * targhooks.c: Update.
11693         * tracer.c (better_p): Update.
11694         (find_best_successor): Update.
11695         * trans-mem.c (expand_transaction): Update.
11696         * tree-call-cdce.c: Update.
11697         * tree-cfg.c (gimple_split_edge): Upate.
11698         (move_sese_region_to_fn): Upate.
11699         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
11700         * tree-eh.c (lower_resx): Upate.
11701         (cleanup_empty_eh_move_lp): Upate.
11702         * tree-if-conv.c (version_loop_for_if_conversion): Update.
11703         * tree-inline.c (copy_edges_for_bb): Update.
11704         (copy_cfg_body): Update.
11705         * tree-parloops.c (gen_parallel_loop): Update.
11706         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
11707         (gimple_gen_time_profiler): Update.
11708         * tree-ssa-dce.c (remove_dead_stmt): Update.
11709         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
11710         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
11711         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
11712         (unloop_loops): Update.
11713         (try_peel_loop): Update.
11714         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
11715         * tree-ssa-loop-split.c (connect_loops): Update.
11716         (split_loop): Update.
11717         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
11718         (hoist_guard): Update.
11719         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
11720         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
11721         (value_replacement): Update.
11722         * tree-ssa-reassoc.c (branch_fixup): Update.
11723         * tree-ssa-tail-merge.c (replace_block_by): Update.
11724         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
11725         (create_edge_and_update_destination_phis): Update.
11726         (compute_path_counts): Update.
11727         (recompute_probabilities): Update.
11728         (update_joiner_offpath_counts): Update.
11729         (freqs_to_counts_path): Update.
11730         (duplicate_thread_path): Update.
11731         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
11732         (struct switch_conv_info): Update.
11733         (gen_inbound_check): Update.
11734         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
11735         (vect_do_peeling): Update.
11736         (vect_loop_versioning): Update.
11737         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
11738         (optimize_mask_stores): Update.
11739         * ubsan.c (ubsan_expand_null_ifn): Update.
11740         * value-prof.c (gimple_divmod_fixed_value): Update.
11741         (gimple_divmod_fixed_value_transform): Update.
11742         (gimple_mod_pow2): Update.
11743         (gimple_mod_pow2_value_transform): Update.
11744         (gimple_mod_subtract): Update.
11745         (gimple_mod_subtract_transform): Update.
11746         (gimple_ic): Update.
11747         (gimple_stringop_fixed_value): Update.
11748         (gimple_stringops_transform): Update.
11749         * value-prof.h: Update.
11751 2017-06-29  Carl Love  <cel@us.ibm.com>
11753         * config/rs6000/rs6000-c.c: Add support for built-in functions
11754         vector signed int vec_signed (vector float);
11755         vector signed long long vec_signed (vector double);
11756         vector signed int vec_signed2 (vector double, vector double);
11757         vector signed int vec_signede (vector double);
11758         vector signed int vec_signedo (vector double);
11759         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
11760         instruction generator.
11761         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
11762         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
11763         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
11764         Add define_insn.
11765         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
11766         vunsignede_v2df): Add define_expands.
11767         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
11768         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
11769         VEC_UNSIGNEDO): Add definitions.
11770         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
11771         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
11772         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
11773         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
11774         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
11775         * config/rs6000/altivec.h (vec_signed, vec_signed2,
11776         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
11777         vec_unsignede, vec_unsignedo): Add builtin defines.
11778         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
11779         declaration.
11780         * doc/extend.texi: Update the built-in documentation file for the
11781         new built-in functions.
11783 2017-06-29  Richard Biener  <rguenther@suse.de>
11785         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
11786         reduction chains to LOOP_VINFO_REDUCTIONS.
11787         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
11788         SLP reductions after processing reduction chains.
11790 2017-06-29  Nathan Sidwell  <nathan@acm.org>
11792         * builtins.c (fold_builtin_FUNCTION): Use
11793         lang_hooks.decl_printable_name.
11795 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
11797         PR middle-end/81194
11798         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
11799         with only one label.
11800         * stmt.c (expand_case): Assert NCASES is greater than one.
11802 2017-06-29  Richard Biener  <rguenther@suse.de>
11804         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
11805         anything.
11806         (group_case_labels): Likewise.
11807         (find_taken_edge): Push sanity checking on val to workers...
11808         (find_taken_edge_cond_expr): ... here
11809         (find_taken_edge_switch_expr): ... and here, handle cases
11810         with just a default label.
11811         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
11812         (group_case_labels): Likewise.
11813         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
11814         group_case_labels does anything cleanup the CFG again.
11816 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
11818         PR tree-optimization/81196
11819         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
11820         exit condition comparing two IVs.
11822 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
11824         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
11825         profile to the dummy entry at the end of the list of architectures.
11826         * config/arm/arm-cpu-cdata.h: Regenerated.
11828 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11829             Michael Collison <michael.collison@arm.com>
11831         PR target/70119
11832         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
11833         New pattern.
11834         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
11835         (*aarch64_reg_<mode>3_minus_mask): New pattern.
11836         (*aarch64_<optab>_reg_di3_mask2): New pattern.
11837         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
11838         of shift when the shift amount is masked with constant equal to
11839         the size of the mode.
11840         * config/aarch64/predicates.md (subreg_lowpart_operator): New
11841         predicate.
11843 2017-06-29  Martin Liska  <mliska@suse.cz>
11845         * config/i386/i386.opt: Change range from [1,5] to [0,5].
11847 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
11849         PR bootstrap/80565
11850         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
11851         code.
11852         * ipa-inline.h
11853         (edge_growth_cache_entry::edge_growth_cache_entry): New
11854         function.
11855         (reset_edge_growth_cache): Update to use constructor.
11857 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11859         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
11860         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11861         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11863 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
11865         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
11866         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
11868 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
11870         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
11871         (*-linux-uclibc*): Add t-uclibc tmake_file.
11872         * config/t-musl: New.
11873         * config/t-uclibc: New.
11875 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
11877         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
11878         context.
11879         (gen_comm_data): Emit architectural setting of arch_prof.
11880         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
11881         profile.
11882         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
11883         (armv8-m.base, armv8-m.main): Likewise.
11884         * arm-protos.h (arm_build_target): Add profile field.
11885         (arch_option): Likewise.
11886         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
11887         the active target.
11888         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
11889         arm_active_target.profile.
11891 2017-06-28  Richard Biener  <rguenther@suse.de>
11893         PR middle-end/81227
11894         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
11895         TYPE_OVERFLOW_WRAPS.
11896         * match.pd (negate_expr_p): Likewise.
11897         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
11898         fold_build2, not fold_binary.
11900 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11902         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
11903         Convert memory address to Pmode.
11904         (aarch64_print_operand): Assert MEM operands are always Pmode.
11906 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11908         PR target/79665
11909         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
11910         Remove redundant if.
11911         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
11912         * config/arm/aarch-common-protos.h
11913         (aarch_forward_to_shift_is_not_shifted_re): Remove.
11914         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
11916 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
11918         PR ipa/81238
11919         * multiple_target.c (create_dispatcher_calls): Set the default
11920         clone to be static, not public.
11922 2017-06-28  Richard Biener  <rguenther@suse.de>
11924         * tree-vect-loop.c (vectorizable_reduction): Move special
11925         cond reduction IV var creation ...
11926         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
11927         parameter.  Use STMT_VINFO_VECTYPE.
11928         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
11929         constant_p.
11931 2017-06-28  Martin Liska  <mliska@suse.cz>
11933         PR ipa/81128
11934         * ipa-visibility.c (non_local_p): Handle visibility.
11936 2017-06-28  Martin Liska  <mliska@suse.cz>
11938         PR driver/79659
11939         * common.opt: Add IntegerRange to various options.
11940         * opt-functions.awk (integer_range_info): New function.
11941         * optc-gen.awk: Add integer_range_info to cl_options struct.
11942         * opts-common.c (decode_cmdline_option): Handle
11943         CL_ERR_INT_RANGE_ARG.
11944         (cmdline_handle_error): Likewise.
11945         * opts.c (print_filtered_help): Show valid interval in
11946         when --help is provided.
11947         * opts.h (struct cl_option): Add range_min and range_max fields.
11948         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
11950 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
11952         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
11953         (x * C EQ/NE y * C): New transformation.
11955 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
11957         * genmultilib (combination_space): Accept '+' in option names.
11959 2017-06-28  Martin Liska  <mliska@suse.cz>
11961         PR sanitizer/81224
11962         * asan.c (instrument_derefs): Bail out inner references
11963         that are hard register variables.
11965 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
11967         PR target/81175
11968         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
11969         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
11971 2017-06-28  Richard Biener  <rguenther@suse.de>
11973         * tree-vectorizer.h (vect_get_vec_defs): Remove.
11974         (vect_get_slp_defs): Adjust.
11975         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
11976         out from ...
11977         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
11978         simplify.
11979         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
11980         get_initial_defs_for_reduction instead of vect_get_vec_defs.
11981         (vectorizable_reduction): Adjust.
11982         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
11983         handling.
11984         (vect_get_slp_defs): Likewise.
11985         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
11986         (vectorizable_bswap): Adjust.
11987         (vectorizable_call): Likewise.
11988         (vectorizable_conversion): Likewise.
11989         (vectorizable_assignment): Likewise.
11990         (vectorizable_shift): Likewise.
11991         (vectorizable_operation): Likewise.
11992         (vectorizable_store): Likewise.
11993         (vectorizable_condition): Likewise.
11994         (vectorizable_comparison): Likewise.
11996 2017-06-28  Michael Collison  <michael.collison@arm.com>
11998         PR target/68535
11999         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
12000         set of base_reg
12001         (arm_gen_movmemqi): Removed unused variable 'i'.
12002         Convert 'for' loop into 'while' loop.
12003         (arm_expand_prologue): Remove last unnecessary set of insn.
12004         (thumb_pop): Remove unused variable 'pushed_words'.
12005         (thumb_exit): Remove last unnecessary set of regs_to_pop.
12007 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12009         * config/s390/predicates.md: Use s390_rel_address_ok_p.
12010         * config/s390/s390-protos.h: Add prototype of
12011         s390_rel_address_ok_p.
12012         * config/s390/s390.c (s390_got_symbol): New function.
12013         (s390_rel_address_ok_p): New function.
12014         (legitimize_pic_address): Use s390_rel_address_ok_p.
12015         (s390_load_got): Use s390_got_symbol.
12016         (s390_option_override): Issue error if
12017         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
12018         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
12019         New macro.
12020         * config/s390/s390.opt: New option mpic-data-is-text-relative.
12022 2017-06-27  Andrew Pinski  <apinski@cavium.com>
12024         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
12025         (X * copysign (1.0, X)): New pattern.
12026         (X * copysign (1.0, -X)): New pattern.
12027         (copysign (-1.0, CST)): New pattern.
12029 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
12031         * genmultilib (combination_space): Remove variable.
12032         Validate reuse rules against regular expression for any sequence
12033         of multilib options in any order.
12035 2017-06-27  Michael Collison  <michael.collison@arm.com>
12037         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
12038         call aarch64_split_simd_combine.
12039         * (aarch64_combine_internal<mode>): Delete pattern.
12040         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
12041         Allow register and subreg operands.
12043 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
12045         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
12046         specific need, just fallback on defaults.
12047         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
12049 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
12050             Olivier Hainque  <hainque@adacore.com>
12052         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
12053         map for 64bits.
12054         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
12055         targets. Pick a default if no particular attempt applied.
12056         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
12057         larger contexts.
12059 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
12061         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
12062         (x86_64-wrs-vxworks7): Likewise.
12064 2017-06-27  Marek Polacek  <polacek@redhat.com>
12066         PR sanitizer/81223
12067         * ubsan.c (instrument_null): Check get_base_address's result for null.
12069 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
12071         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
12073 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
12075         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
12076         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
12077         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
12078         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
12079         New function types.
12080         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
12081         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
12082         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
12083         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
12084         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
12085         BUILT_IN_FEUPDATEENV): New builtins.
12086         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
12087         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
12088         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
12089         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
12090         macros.
12091         (builtin_structptr_types): Adjust size.
12092         * tree.c (builtin_structptr_types): Add four entries.
12094 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
12095             Olivier Hainque  <hainque@adacore.com>
12097         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
12098         (TLS_SYM): New local macro, forcing reference to __tls__ on
12099         link command lines for VxWorks 7 RTPs, triggering initialization
12100         of tlsLib.
12101         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
12102         OS features TLS support, true for RTPs on VxWorks 7.
12103         * config/vxworks.c (vxworks_override_options): Setup emutls
12104         accordingly.
12106 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
12108         * predict.c (test_prediction_value_range): Use -1U instead of -1
12109         to avoid narrowing conversion warning.
12110         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
12111         to avoid narrowing conversion warning.
12112         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
12113         -1.
12114         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
12116 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
12118         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
12119         64bit configurations.
12120         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
12121         (SIZE_TYPE): Likewise.
12122         * config/vxworks.c (vxworks_emutls_var_fields): Use
12123         long_unsigned_type_node instead of unsigned_type_node as the offset
12124         field type, which is "pointer" mode in emutls.c.
12126 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
12128         PR sanitizer/81209
12129         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
12131         PR middle-end/81207
12132         * gimple-fold.c (replace_call_with_call_and_fold): Handle
12133         gimple_vuse copying separately from gimple_vdef copying.
12135 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
12137         * value-prof.c (free_hist): Remove call to memset and the enclosing if
12138         condition.
12140 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
12141             Olivier Hainque  <hainque@adacore.com>
12143         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
12144         for all vxworks7 targets.
12145         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
12146         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
12147         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
12148         variations for VX6/VX7 and 32/64bits later on in ...
12149         (VXWORKS_LIB_SPEC): Leverage new macros.
12150         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
12151         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
12153 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
12155         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
12156         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
12158 2017-06-26  Carl Love  <cel@us.ibm.com>
12160         * config/rs6000/rs6000-c.c: Add support for built-in functions
12161         vector bool char vec_reve (vector bool char);
12162         vector signed char vec_reve (vector signed char);
12163         vector unsigned char vec_reve (vector unsigned char);
12164         vector bool int vec_reve (vector bool int);
12165         vector signed int vec_reve (vector signed int);
12166         vector unsigned int vec_reve (vector unsigned int);
12167         vector bool long long vec_reve (vector bool long long);
12168         vector signed long long vec_reve (vector signed long long);
12169         vector unsigned long long vec_reve (vector unsigned long long);
12170         vector bool short vec_reve (vector bool short);
12171         vector signed short vec_reve (vector signed short);
12172         vector double vec_reve (vector double);
12173         vector float vec_reve (vector float);
12174         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
12175         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
12176         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
12177         (altivec_vreve): New pattern.
12178         * config/rs6000/altivec.h (vec_reve): New define.
12179         * doc/extend.texi (vec_rev): Update the built-in documentation file
12180         for the new built-in functions.
12182 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12184         PR tree-optimization/71815
12185         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
12186         function.
12187         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
12188         has_single_use.
12189         (slsr_process_phi): Likewise.
12190         (replace_uncond_cands_and_profitable_phis): Don't replace a
12191         multiply candidate with a stride of 1 (copy or cast).
12192         (phi_incr_cost): Call uses_consumed_by_stmt rather than
12193         has_single_use.
12194         (lowest_cost_path): Likewise.
12195         (total_savings): Likewise.
12197 2017-06-26  Richard Biener  <rguenther@suse.de>
12199         PR target/81175
12200         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
12201         Use def_builtin_pure for all gather builtins.
12203 2017-06-26  Richard Biener  <rguenther@suse.de>
12205         PR tree-optimization/81203
12206         * tree-tailcall.c (find_tail_calls): Do not move stmts into
12207         non-dominating BBs.
12209 2017-06-26  Marek Polacek  <polacek@redhat.com>
12211         PR c/80116
12212         * doc/invoke.texi: Document -Wmultistatement-macros.
12214 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
12216         * doc/sourcebuild.texi (ARM-specific attributes): Document new
12217         arm_neon_ok_no_float_abi effective target.
12219 2017-06-26  Richard Biener  <rguenther@suse.de>
12221         PR tree-optimization/80928
12222         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
12223         (copy_bbs): Set BB_DUPLICATED flag early.
12224         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
12225         marked blocks.
12226         (execute_on_shrinking_pred): Likewise.
12227         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
12228         BB_DUPLICATED blocks.
12229         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
12230         iterate over all PHIs considering removal of *gsi.
12232 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
12234         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
12235         qdf24xx.
12237 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12239         * config/rs6000/rs6000-string.c: (expand_block_clear,
12240         do_load_for_compare, select_block_compare_mode,
12241         compute_current_alignment, expand_block_compare,
12242         expand_strncmp_align_check, expand_strn_compare,
12243         expand_block_move, rs6000_output_load_multiple)
12244         Move functions related to string/block move/compare
12245         to a separate file.
12246         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
12247         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
12248         for this function which is now used in two files.
12249         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
12250         * config.gcc: Add rs6000-string.o to extra_objs for
12251         targets powerpc*-*-* and rs6000*-*-*.
12253 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
12255         PR target/80510
12256         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
12257         32-bit, since indexed is not valid for DImode.
12258         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
12259         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
12260         (define_peephole2 for Altivec d-form load): Add 32-bit support.
12261         (define_peephole2 for Altivec d-form store): Likewise.
12263         PR ipa/81185
12264         * multiple_target.c (create_dispatcher_calls): Only create the
12265         dispatcher call if the function is the default clone of a
12266         versioned function.
12268 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
12270         PR middle-end/80902
12271         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
12272         a call, force the call to not be a tail call.
12274 2017-06-23  Jeff Law  <law@redhat.com>
12276         * doc/contrib.texi: Add entry for Steven Pemberton's work on
12277         enquire.
12279 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
12281         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
12282         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
12283         handling for early expansion of vector shifts (sl,sr,sra,rl).
12284         (builtin_function_type): Add vector shift right instructions
12285         to the unsigned argument list.
12287 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12289         rtl-optimizatoin/79286
12290         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
12291         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
12292         trap.  PIC register plus a const unspec without offset can never trap.
12294 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
12296         * tree.h (builtin_structptr_type): New type.
12297         (builtin_structptr_types): Declare new array.
12298         * tree.c (builtin_structptr_types): New array.
12299         (free_lang_data, build_common_tree_nodes): Use it.
12301 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
12303         PR c++/81187
12304         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
12305         -Wnoexcept.
12307 2017-06-22  Matt Turner  <mattst88@gmail.com>
12309         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
12310         Lake models to skylake case.  Assume skylake for unknown
12311         models with clflushopt.
12313 2017-06-22  Jeff Law  <law@redhat.com>
12315         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
12316         frame sizes that do not satisfy aarch64_uimm12_shift.
12318 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
12320         * profile-count.h (apply_probability,
12321         apply_scale, probability_in): Fix checks for zero.
12323 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12325         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
12326         * doc/cppdiropts.texi (-I @var{dir}): Document it.
12328 2016-06-22  Richard Biener  <rguenther@suse.de>
12330         * tree-vect-loop.c (vect_model_reduction_cost): Handle
12331         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
12332         REDUC_MAX_EXPR support.
12333         (vectorizable_reduction): Likewise.
12334         (vect_create_epilog_for_reduction): Likewise.
12336 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
12338         * match.pd (A / (1 << B) -> A >> B): New.
12339         * generic-match-head.c: Include optabs-tree.h.
12340         * gimple-match-head.c: Likewise.
12341         * optabs-tree.h (target_supports_op_p): New.
12342         * optabs-tree.c (target_supports_op_p): New.
12344 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12346         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
12347         $gcc_cv_ld --help output.
12348         (gcc_cv_ld_demangle): Likewise.
12349         (gcc_cv_ld_eh_frame_hdr): Likewise.
12350         (gcc_cv_ld_pie): Likewise.
12351         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
12352         (gcc_cv_ld_buildid): Likewise.
12353         (gcc_cv_ld_sysroot): Likewise.
12354         (ld_bndplt_support): Likewise.
12355         (ld_pushpopstate_support): Likewise.
12356         * configure: Regenerate.
12357         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
12359 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
12361         PR target/81151
12362         * config/i386/sse.md (round<mode>2): Renumber match_dup and
12363         operands indexes to avoid gap between operands and match_dups.
12365 2017-06-21  Andrew Pinski  <apinski@cavium.com>
12367         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
12368         Increment Arith_shift and Arith_shift_reg by 1.
12369         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
12370         New tuning flag.
12371         * config/aarch64/aarch64.c (thunderx_tunings): Enable
12372         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
12373         (aarch64_strip_extend): Add new argument and test for it.
12374         (aarch64_cheap_mult_shift_p): New function.
12375         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
12376         add a cost if it is true.
12377         Update calls to aarch64_strip_extend.
12378         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
12380 2017-06-21  Andrew Pinski  <apinski@cavium.com>
12382         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
12383         tunings.
12384         (thunderxt88): Likewise.
12385         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
12386         (thunderx_prefetch_tune): New variable.
12387         (thunderx2t99_prefetch_tune): Update for the correct values.
12388         (thunderxt88_tunings): New variable.
12389         (thunderx_tunings): Use thunderx_prefetch_tune instead of
12390         generic_prefetch_tune.
12391         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
12393 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12395         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
12396         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
12397         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
12398         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
12399         (aarch64_atomic_cas<mode>, GPI): Likewise.
12401 2017-06-21  Martin Liska  <mliska@suse.cz>
12403         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
12404         statements on cold and hot labels.
12405         * predict.c (tree_estimate_probability_bb): Remove the
12406         prediction from this place.
12408 2017-06-21  Martin Liska  <mliska@suse.cz>
12410         PR tree-optimization/79489
12411         * gimplify.c (maybe_add_early_return_predict_stmt): New
12412         function.
12413         (gimplify_return_expr): Call the function.
12414         * predict.c (tree_estimate_probability_bb): Remove handling
12415         of early return.
12416         * predict.def: Update comment about early return predictor.
12417         * gimple-predict.h (is_gimple_predict): New function.
12418         * predict.def: Change default value of early return to 66.
12419         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
12420         statements.
12421         * passes.def: Put pass_strip_predict_hints to the beginning of
12422         IPA passes.
12424 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
12426         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
12427         FUNCTION_DECL declarations.
12428         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
12429         declarations.
12430         (dwaf2out_decl): Likewise.
12431         * godump.c (go_early_global_decl): Skip call to the real debug hook
12432         for FUNCTION_DECL declarations.
12433         * passes.c (rest_of_decl_compilation): Skip call to the
12434         early_global_decl debug hook for FUNCTION_DECL declarations, unless
12435         -fdump-go-spec is passed.
12437 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
12439         * config/i386/i386.c (struct builtin_isa): New field pure_p.
12440         Reorder for compactness.
12441         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
12442         (def_builtin_pure, def_builtin_pure2): New functions.
12443         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
12445 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
12447         * match.pd (nop_convert): New predicate.
12448         ((A +- CST1) +- CST2): Allow some NOP conversions.
12450 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
12452         PR c++/81130
12453         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
12454         with ctors/dtors if GOVD_SHARED is set.
12456 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12458         * config/aarch64/aarch64.md (movti_aarch64):
12459         Emit mov rather than orr.
12460         (movtf_aarch64): Likewise.
12461         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
12462         Emit mov rather than orr.
12464 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12466         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
12467         Swap alternatives, make integer dup more expensive.
12469 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12471         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
12472         Return true for non-tls symbols.
12474 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
12476         * config/aarch64/aarch64-cores.def (cortex-a55): New.
12477         (cortex-a75): Likewise.
12478         (cortex-a75.cortex-a55): Likewise.
12479         * config/aarch64/aarch64-tune.md: Regenerate.
12480         * doc/invoke.texi (-mtune): Document new values for -mtune.
12482 2017-06-21  Tom de Vries  <tom@codesourcery.com>
12484         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
12485         stack_size feature.
12486         (Effective-Target Keywords, Other attributes): Suggest using
12487         dg-add-options stack_size feature to get stack limit in stack_size
12488         effective target documentation.
12490 2017-06-21  Julian Brown  <julian@codesourcery.com>
12491             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12493         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
12494         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
12495         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
12496         reservation.
12497         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
12498         attribute type list for neon_multiply.
12499         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
12500         attribute type list for neon_multiply.
12501         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
12502         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
12503         attribute type list for neon_multiply.
12504         * config/arm/types.md (crypto_pmull): Add.
12505         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
12506         attribute type list.
12508 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
12510         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
12511         arm1176jzf-s.
12513 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
12515         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
12516         to make sure not to dereference a NULL cost_classes_ptr pointer.
12518 2017-06-20  Carl Love  <cel@us.ibm.com>
12520         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12521         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
12522         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
12523         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
12524         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
12525         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
12526         VMULOSW): New enum "unspec" values.
12527         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
12528         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
12529         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
12530         altivec_vmulosw): New patterns.
12531         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
12532         VMULOSW): Add definitions.
12534 2017-06-20  Julia Koval  <julia.koval@intel.com>
12536         * config/i386/i386.c: Fix rounding expand for new pattern.
12537         * config/i386/subst.md: Fix pattern (parallel -> unspec).
12539 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12541         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
12542         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
12544 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12546         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
12547         feature string.
12549 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12551         * config/aarch64/aarch64-cores.def: Rearrange to sort by
12552         architecture, then by implementer ID.
12553         * config/aarch64/aarch64-tune.md: Regenerate.
12555 2017-06-20  Richard Biener  <rguenther@suse.de>
12557         PR middle-end/81097
12558         * fold-const.c (split_tree): Fold to type before negating.
12560 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
12562         * diagnostic-show-locus.c
12563         (selftest::test_fixit_deletion_affecting_newline): New function.
12564         (selftest::diagnostic_show_locus_c_tests): Call it.
12566 2017-06-20  Andreas Schwab  <schwab@suse.de>
12568         PR target/80970
12569         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
12570         instead of "+d".
12572 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
12574         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
12575         __ARM_FEATURE_COPROC according to support.
12577 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
12579         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12580         Rewritten to avoid overflow for > 32-bit pointers.
12582         PR sanitizer/81125
12583         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
12584         by removing enum keyword.
12585         (ubsan_type_descriptor): Likewise.  Formatting fix.
12587         PR target/81121
12588         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
12589         splitter): Require TARGET_SSE2 in the condition.
12591 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
12593         PR target/79799
12594         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
12595         for doing vector set of SFmode on ISA 3.0.
12596         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
12597         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
12598         element.
12599         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
12600         SFmode value into a V4SF variable that was extracted from another
12601         V4SF variable without converting the element to double precision
12602         and back to single precision vector format.
12603         (vsx_insert_extract_v4sf_p9_2): Likewise.
12605 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
12607         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
12608         in UWHI to avoid undefined overflow.
12610         PR sanitizer/81125
12611         * ubsan.h (enum ubsan_encode_value_phase): New.
12612         (ubsan_encode_value): Change second argument to
12613         enum ubsan_encode_value_phase with default value of
12614         UBSAN_ENCODE_VALUE_GENERIC.
12615         * ubsan.c (ubsan_encode_value): Change second argument to
12616         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
12617         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
12618         create_tmp_var_raw instead of create_tmp_var and use a
12619         TARGET_EXPR.
12620         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
12621         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
12622         ubsan_encode_value callers.
12624         PR sanitizer/81111
12625         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
12626         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
12627         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
12629 2017-06-19  Richard Biener  <rguenther@suse.de>
12631         PR middle-end/81118
12632         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
12633         estimates if we changed anything.
12635 2017-06-19  Richard Biener  <rguenther@suse.de>
12637         PR tree-optimization/80887
12638         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
12639         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
12640         simplified lookups, then reset mprts_hook.
12641         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
12642         simplifying.
12643         (try_to_simplify): Likewise.
12645 2017-06-19  Martin Liska  <mliska@suse.cz>
12647         PR sanitizer/80879
12648         * gimplify.c (gimplify_switch_expr):
12649         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
12651 2017-06-19  Martin Liska  <mliska@suse.cz>
12653         * doc/install.texi: Document that PGO runs in 4 stages.
12655 2017-06-19  Martin Liska  <mliska@suse.cz>
12657         PR ipa/80732
12658         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
12659         to dispatcher function name.
12660         * multiple_target.c (replace_function_decl): New function.
12661         (create_dispatcher_calls): Redirect both edges and references.
12663 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
12665         * profile-count.c (profile_count::dump): Dump quality.
12666         (profile_count::differs_from_p): Update for unsigned val.
12667         * profile-count.h (profile_count_quality): New enum.
12668         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
12670 2017-06-19  Richard Biener  <rguenther@suse.de>
12672         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
12673         struct function as arg.
12674         (estimate_numbers_of_iterations): Export overload with loop arg.
12675         (free_numbers_of_iterations_estimates_loop): Use an overload of
12676         free_numbers_of_iterations_estimates instead.
12677         * tree-cfg.c (remove_bb): Adjust.
12678         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
12679         * tree-parloops.c (gen_parallel_loop): Likewise.
12680         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
12681         Likewise.
12682         (tree_unroll_loops_completely): Likewise.
12683         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
12684         Use an overload instead and export.
12685         (estimated_loop_iterations): Adjust.
12686         (max_loop_iterations): Likewise.
12687         (likely_max_loop_iterations): Likewise.
12688         (estimate_numbers_of_iterations): Take struct function as arg
12689         and adjust.
12690         (loop_exits_before_overflow): Adjust.
12691         (free_numbers_of_iterations_estimates_loop): Use an overload.
12692         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
12693         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
12695 2017-06-19  Richard Biener  <rguenther@suse.de>
12697         PR ipa/81112
12698         * ipa-prop.c (find_constructor_constant_at_offset): Handle
12699         RANGE_EXPR conservatively.
12701 2017-06-16  Carl Love  <cel@us.ibm.com>
12703         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12704         definitions for vec_float, vec_float2, vec_floato,
12705         vec_floate built-ins.
12706         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
12707         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
12708         floate.
12709         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
12710         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
12711         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
12712         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
12713         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
12714         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
12715         vec_floato): Add builtin defines.
12716         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
12717         Update the built-in documentation file for the new built-in
12718         functions.
12720 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12722         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
12723         (mthumb): Mark as the negative of -marm.
12725 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12727         * doc/invoke.texi (ARM Options, -mcpu): Document supported
12728         extension options.
12729         (ARM Options, -mtune): Document that this accepts the same
12730         extension options as -mcpu.
12731         (ARM Options, -mfpu): Document addition of -mfpu=auto.
12733 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12735         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
12736         permitted extensions.
12738 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12740         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
12741         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
12742         (armv8-m.main): Add option +nodsp.
12743         * config/arm/arm-cpu-cdata.h: Regenerated.
12745 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12747         * config/arm/t-fuchsia: New file.
12748         * config.gcc (arm*-*-fuchsia*): Use it.
12750 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12752         * config/arm/t-symbian: Rewrite for new option infrastructure.
12754 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12756         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
12757         (MULTILIB_REQUIRED): Likewise.
12759 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12761         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
12762         (MULTILIB_RESUE): Likewise.
12763         (MULTILIB_MATCHES): Likewise.
12764         (MULTLIB_REQUIRED): Likewise.
12766 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12768         * config/arm/t-rtems: Rewrite for new option framework.
12770 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12772         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
12773         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
12774         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
12775         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
12776         * config/arm/t-multilib: ... here.
12777         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
12778         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
12779         armv7-a and armv8*-a when A-profile libraries have not been built.
12780         * config/arm/t-rmprofile: Rewrite.
12782 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12784         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
12785         with a backslash.  Remove the backslash after substituting unescaped
12786         periods.
12787         * doc/fragments.texi (MULTILIB_REUSE): Document it.
12789 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12791         * config.gcc: (arm*-*-*): When building a-profile libraries, force
12792         the driver to pass through the default setting of -mfloat-abi.
12793         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
12794         rather than NULL.
12795         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
12796         (all_feat_combs): New rule.
12797         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
12798         default libraries.
12799         * config/arm/t-aprofile: Rewrite.
12801 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12803         * config/arm/arm.h (FPUTYPE_AUTO): Define.
12804         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
12805         fpu is not specified by the user/command-line.
12806         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
12807         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
12808         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
12809         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
12810         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
12811         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
12813 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12815         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
12816         * config/arm/t-arm-elf: Rewritten.
12818 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12820         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
12821         have some floating-point instructions.
12822         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
12823         (TARGET_MAYBE_HARD_FLOAT): New macro.
12824         * config/arm/arm-builtins.c (arm_init_builtins): Use
12825         TARGET_MAYBE_HARD_FLOAT.
12826         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
12828 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12830         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
12831         (configargs.h): Include it.
12832         (arm_print_hint_for_fpu_option): New function.
12833         (arm_parse_fpu_option): New function.
12834         (candidate_extension): New class.
12835         (arm_canon_for_multilib): New function.
12836         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
12837         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
12838         (ARCH_CANONICAL_SPECS): New macro.
12839         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
12841 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12843         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
12844         are set after handling multilib fragments.  Set target_cpu_default2
12845         from with_cpu.
12847 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12849         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
12850         cpu name.
12851         (arm*-*-*): Set target_cpu_default2 to a quoted string.
12852         * config/arm/parsecpu.awk (check_cpu): Validate any extension
12853         options.
12854         (check_arch): Likewise.
12855         * config/arm/arm.c (arm_configure_build_target): Handle
12856         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
12857         options in the default.
12859 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12861         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
12862         when an option is an alias of another.
12863         * config/arm/parsecpu.awk (optalias): New parser token.
12864         (gen_comm_data): Mark non-alias options as such.  Emit entries
12865         for extension aliases.
12866         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
12867         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
12868         (armv6kz, armv6zk, armv6t2): Likewise.
12869         (armv7): Make vfpv3-d16 an alias.
12870         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
12871         canonical order.
12872         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
12873         Sort in canonical order.
12874         (armv8-a): Sort in canonical order.
12875         (armv8.1-a, armv8.2-a):  Likewise.
12876         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
12877         canonical order.
12878         (cortex-a9): Sort in canonical order.
12879         * config/arm/arm.c (selftests.h): Include it.
12880         (arm_test_cpu_arch_data): New function.
12881         (arm_run_self_tests): New function.
12882         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
12883         (targetm): Move declaration to the end of the file.
12884         * arm-cpu-cdata.h: Regenerated.
12886 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12888         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
12889         call to target_mode_check describing the type of option passed.
12890         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
12891         (arm_target_thumb_only): Use arm_parse_arch_option_name or
12892         arm_parse_cpu_option_name to match parameters against list of
12893         available targets.
12894         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
12895         arm_arch_core_flags data structure.
12896         * config/arm/arm-cpu_cdata.h: Regenerated.
12898 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12900         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
12901         config/arm/arm.c.
12902         (arm_print_hint_for_cpu_option): Likewise.
12903         (arm_print_hint_for_arch_option): Likewise.
12904         (arm_parse_cpu_option_name): Likewise.
12905         (arm_parse_arch_option_name): Likewise.
12906         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
12907         of entries in the all_fpus list.
12908         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
12909         (arm_parse_cpu_option_name): Declare.
12910         (arm_parse_arch_option_name): Declare.
12911         (arm_parse_option_features): Declare.
12912         (arm_intialize_isa): Declare.
12913         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
12914         data tables to ...
12915         (gen_comm_data): ... here.  Make definitions non-static.
12916         * config/arm/arm-cpu-data.h: Regenerated.
12917         * config/arm/arm-cpu-cdata.h: Regenerated.
12919 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12921         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
12922         (cpu_arch_extension): New structure.
12923         (cpu_arch_option, arch_option, cpu_option): New structures.
12924         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
12925         architecture types.
12926         (gen_data): Generate new format data tables.
12927         * config/arm/arm.c (cpu_tune): New structure.
12928         (cpu_option, processors): Delete.
12929         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
12930         (arm_print_hint_for_cpu_option): ... this and ...
12931         (arm_print_hint_for_arch_option): ... this.
12932         (arm_parse_arch_cpu_name): Delete.  Replace with ...
12933         (arm_parse_cpu_option_name): ... this and ...
12934         (arm_parse_arch_option_name): ... this.
12935         (arm_unrecognized_feature): Change type of target parameter to
12936         cpu_arch_option.
12937         (arm_parse_arch_cpu_features): Delete.  Replace with ...
12938         (arm_parse_option_features): ... this.
12939         (arm_configure_build_target): Rework to use new configuration data
12940         tables.
12941         (arm_print_tune_info): Rework for new configuration data tables.
12942         * config/arm/arm-cpu-data.h: Regenerated.
12943         * config/arm/arm-cpu.h: Regenerated.
12945 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12947         * Makefile.in (OBJS): Move sbitmap.o from here ...
12948         (OBJS-libcommon): ... to here.
12950 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12952         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
12953         (ISA_ALL_CRYPTO): New macro.
12954         (ISA_ALL_SIMD): New macro
12955         (ISA_ALL_FP): New macro.
12956         * config/arm/arm.c (fpu_bitlist): Update initializer.
12957         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
12958         simd or fp.
12959         (arm9e): Add fpu.  Add option for nofp
12960         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
12961         (arm926ej-s, arm1026ej-s): Likewise.
12962         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
12963         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
12964         neon-fp16, neon-vfpv4, nofp and nosimd.
12965         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
12966         (cortex-a8): Add fpu.  Add option for nofp.
12967         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
12968         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
12969         (cortex-r4f): Add fpu.
12970         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
12971         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
12972         for nofp.
12973         (cortex-r8): Likewise.
12974         (cortex-m4): Add fpu.  Add option for nofp.
12975         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
12976         (cortex-a17.cortex-a7): Likewise.
12977         (cortex-a32): Add fpu.  Add options for crypto and nofp.
12978         (cortex-a35, cortex-a53): Likewise.
12979         (cortex-a57): Add fpu.  Add option for crypto.
12980         (cortex-a72, cortex-a73): Likewise.
12981         (exynos-m1): Likewise.
12982         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
12983         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
12984         (cortex-m33): Add fpu.  Add option for nofp.
12985         * config/arm/arm-cpu-cdata.h: Regenerated
12986         * config/arm/arm-cpu-data.h: Regenerated.
12988 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12990         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
12991         (armv5te, armv5tej): Likewise.
12992         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
12993         (armv7): Add options fp and vfpv3-d16.
12994         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
12995         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
12996         nofp and nosimd.
12997         (armv7ve): Likewise.
12998         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
12999         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
13000         (armv8-a): Add nocrypto option.
13001         (armv8.1-a, armv8.2-a): Likewise.
13002         (armv8-m.main): add options fp, fp.dp and nofp.
13004 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
13006         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
13007         nofp.
13008         (armv8-a+crc): Delete.
13009         (armv8.1-a): Add options simd, crypto and nofp.
13010         (armv8.2-a): Add options fp16, simd, crypto and nofp.
13011         (armv8.2-a+fp16): Delete.
13012         (armv8-m.main): Add option dsp.
13013         (armv8-m.main+dsp): Delete.
13014         (cortex-a8): Add fpu.  Add nofp option.
13015         (cortex-a9): Add fpu.  Add nofp and nosimd options.
13016         * config/arm/parsecpu.awk (gen_data): Generate option tables and
13017         link to main cpu and architecture data structures.
13018         (gen_comm_data): Only put isa attributes from the main architecture
13019         in common tables.
13020         (option): New statement for architecture and CPU entries.
13021         * arm.c (struct cpu_option): New structure.
13022         (struct processors): Add entry for options.
13023         (arm_unrecognized_feature): New function.
13024         (arm_parse_arch_cpu_name): Ignore any characters after the first
13025         '+' character.
13026         (arm_parse_arch_cpu_feature): New function.
13027         (arm_configure_build_target): Separate out any CPU and architecture
13028         features and parse separately.  Don't error out if -mfpu=auto is
13029         used with only an architecture string.
13030         (arm_print_asm_arch_directives): New function.
13031         (arm_file_start): Call it.
13032         * config/arm/arm-cpu-cdata.h: Regenerated.
13033         * config/arm/arm-cpu-data.h: Likewise.
13034         * config/arm/arm-tables.opt: Likewise.
13036 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
13038         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
13039         assembler when it is not -mfpu=auto.
13041 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
13043         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
13044         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
13045         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
13046         (ASM_CPU_SPEC): Rewrite.
13047         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
13048         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
13049         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
13050         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
13051         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
13052         copied string is NUL-terminated.  Also strip any characters prefixed
13053         by '+'.
13054         (arm_rewrite_selected_arch): New function.
13055         (arm_rewrite_march): New function.
13057 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
13059         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
13060         (x_arm_cpu_string, x_arm_tune_string): Likewise.
13061         (march, mcpu, mtune): Convert to string-based options.
13062         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
13063         (arm_parse_arch_cpu_name): New function.
13064         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
13065         identify selected architecture or CPU.
13066         (arm_option_save): New function.
13067         (TARGET_OPTION_SAVE): Redefine.
13068         (arm_option_restore): Restore string options.
13069         (arm_option_print): Print string options.
13071 2017-06-16  Martin Sebor  <msebor@redhat.com>
13073         PR tree-optimization/80933
13074         PR tree-optimization/80934
13075         * builtins.c (fold_builtin_3): Do not handle bcmp here.
13076         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
13077         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
13078         (gimple_fold_builtin): Call them.
13080 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13082         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
13083         as unlikely; update profile.
13085 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13087         * predict.c (force_edge_cold): Handle declaring edges impossible
13088         more aggresively.
13090 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13092         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
13093         profile.
13094         (try_unroll_loop_completely): Fix reporting.
13096 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13098         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
13100 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
13102         PR target/71778
13103         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
13104         if given a non-constant argument for an intrinsic which requires a
13105         constant.
13107 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13109         * profile.c (compare_freqs): New function.
13110         (branch_prob): Sort edge list.
13111         (find_spanning_tree): Assume that the list is priority sorted.
13113 2017-06-16  Richard Biener  <rguenther@suse.de>
13115         PR tree-optimization/81090
13116         * passes.def (pass_record_bounds): Remove.
13117         * tree-pass.h (make_pass_record_bounds): Likewise.
13118         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
13119         make_pass_record_bounds): Likewise.
13120         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
13121         not free niter estimates at the beginning but at the end.
13122         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
13124 2017-06-16  Richard Biener  <rguenther@suse.de>
13126         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
13127         initializer to workaround ICE in host GCC 4.8.
13129 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
13131         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
13132         counts.
13133         (clone_inlined_nodes): Update.
13135 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13137         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
13138         prefetch settings, and enable prefetching by default at -O3.
13140 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13142         * config/aarch64/aarch64.c (aarch64_override_options_internal):
13143         Set flag_prefetch_loop_arrays according to tuning data.
13145 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13147         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
13148         New tune structure.
13149         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
13150         [Unrelated to main purpose of the patch] Place the pointer field last
13151         to enable type checking errors when tune structure are wrongly merged.
13152         * config/aarch64/aarch64.c (generic_prefetch_tune,)
13153         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
13154         (thunderx2t99_prefetch_tune): New tune constants.
13155         (tune_params *_tunings): Update all tunings (no functional change).
13156         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
13157         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
13158         from tunings structures.
13160 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
13162         PR sanitizer/81094
13163         * ubsan.c (instrument_null): Add T argument, use it instead
13164         of computing it based on IS_LHS.
13165         (instrument_object_size): Likewise.
13166         (pass_ubsan::execute): Adjust instrument_null and
13167         instrument_object_size callers to pass gimple_get_lhs or
13168         gimple_assign_rhs1 result to it.  Use instrument_null instead of
13169         calling get_base_address and instrument_mem_ref.  Handle
13170         aggregate call arguments for object-size sanitization.
13172 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
13174         PR tree-optimization/81089
13175         * tree-vrp.c (is_masked_range_test): Validate operands of
13176         subexpression.
13178 2017-06-15  Martin Sebor  <msebor@redhat.com>
13180         PR c++/80560
13181         * dumpfile.c (dump_register): Avoid calling memset to initialize
13182         a class with a default ctor.
13183         * gcc.c (struct compiler): Remove const qualification.
13184         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
13185         * hash-table.h: Ditto.
13186         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
13187           assignment.
13188         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
13189         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
13190         default ctor.
13191         * params.h (struct param_info): Make struct members non-const.
13192         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
13193         with default initialization.
13194         * vec.h (vec_copy_construct, vec_default_construct): New helper
13195         functions.
13196         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
13197         with vec_copy_construct.
13198         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
13199         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
13200         * doc/invoke.texi (-Wclass-memaccess): Document.
13202 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13204         * emit-rtl.h (is_leaf): Update comment about local
13205         register allocator.
13207 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
13209         PR target/78818
13210         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
13211         for a variable to have a section before checking if the section has a
13212         name.
13213         Set section to.persistent if persistent attribute is set.
13214         Warn if .persistent attribute is used on an automatic variable.
13216 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
13218         PR rtl-optimization/80474
13219         * reorg.c (update_block): Do not ignore instructions in a delay slot.
13221 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
13223         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
13224         of REGNO.
13226 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
13228         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
13229         (casesi): Emit bounds checking as RTL.
13230         (casesi_internal_mips16_<mode>): Remove bounds checking.
13232 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
13234         * config/xtensa/xtensa.c (xtensa_option_override): Append
13235         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
13236         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
13237          xtensa_doloop_hooks): Define unconditionally.
13238         (xtensa_reorg_loops): Only call reorg_loops in the presence of
13239         TARGET_LOOPS.
13240         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
13241         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
13242         for it in xtensa_option_override.
13243         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
13244          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
13246 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
13248         * doc/cppopts.texi: Document '-' special value to -MF.
13250 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
13252         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
13253         (cortex_a53_fconst): Likewise.
13254         (cortex_a53_fpmul): Likewise.
13255         (cortex_a53_f_load_64): Likewise.
13256         (cortex_a53_f_load_many): Likewise.
13257         (cortex_a53_advsimd_alu): Likewise.
13258         (cortex_a53_advsimd_alu_q): Likewise.
13259         (cortex_a53_advsimd_mul): Likewise.
13260         (cortex_a53_advsimd_mul_q): Likewise.
13261         (fpmac bypass): Add new bypass for fpmac-fpmac case.
13262         Add missing fmul, r2f_cvt and fconst cases.
13264 2017-06-14  Richard Biener  <rguenther@suse.de>
13266         PR middle-end/81088
13267         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
13268         literal constants.
13269         (fold_binary_loc): When associating do not treat pre-existing
13270         TREE_OVERFLOW on literal constants as a reason to allow
13271         TREE_OVERFLOW on associated literal constants.
13273 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13275         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
13276         (MASK_FEATURES): New macro.
13277         * config/sparc/sparc.c (sparc_option_override): Remove the special
13278         handling of -mfpu and generalize it to all MASK_FEATURES switches.
13280 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13282         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
13283         a division of 0 if non-call exceptions are enabled.
13285 2017-06-14  Andrew Pinski  <apinski@cavium.com>
13286             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
13288         PR target/71663
13289         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
13290         Improve vector initialization code gen for only variable case.
13292 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13294         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
13296 2017-06-14  Richard Biener  <rguenther@suse.de>
13298         PR tree-optimization/81083
13299         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
13300         as values.
13302 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13304         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
13305         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
13306         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
13307         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
13308         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
13309         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
13311 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13313         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
13314         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
13316 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13318         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
13320 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13322         * config/rs6000/t-rtems: Don't handle SPE.
13324 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13326         * config/rs6000/t-linux: Don't handle SPE.
13328 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13330         * config/rs6000/eabispe.h: Delete file.
13332 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13334         * config/rs6000/t-spe: Delete file.
13336 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13338         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
13339         (rs6000_legitimate_offset_address_p): Return false for anything in
13340         V2SImode or V2SFmode.
13342 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13344         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
13345         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
13346         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
13347         and V4HImode.
13348         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
13349         (rs6000_legitimate_offset_address_p): Ditto.
13350         (rs6000_emit_move): Ditto.
13351         (rs6000_init_builtins): Remove V4HI_type_node.
13353 2017-06-13  Martin Liska  <mliska@suse.cz>
13355         PR sanitize/78204
13356         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
13357         (gate_asan): Likewise.
13358         * asan.h (asan_no_sanitize_address_p): Remove the function.
13359         (sanitize_flags_p): New function.
13360         * builtins.def: Fix coding style.
13361         * common.opt: Use renamed enum value.
13362         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
13363         * doc/extend.texi: Document no_sanitize attribute.
13364         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
13365         to SANITIZE_UNDEFINED_NONDEFAULT.
13366         * gcc.c (sanitize_spec_function): Use the renamed enum value.
13367         * gimple-fold.c (optimize_atomic_compare_exchange_p):
13368         Use sanitize_flags_p.
13369         * gimplify.c (gimplify_function_tree): Likewise.
13370         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
13371         * opts.c (parse_no_sanitize_attribute): New function.
13372         (common_handle_option): Use renamed enum value.
13373         * opts.h (parse_no_sanitize_attribute): Declare.
13374         * tree.c (sanitize_flags_p): New function.
13375         * tree.h: Declared here.
13376         * tsan.c: Use sanitize_flags_p.
13377         * ubsan.c (ubsan_expand_null_ifn): Likewise.
13378         (instrument_mem_ref): Likewise.
13379         (instrument_bool_enum_load): Likewise.
13380         (do_ubsan_in_current_function): Remove the function.
13381         (pass_ubsan::execute): Use sanitize_flags_p.
13382         * ubsan.h: Remove do_ubsan_in_current_function
13383         * tree-cfg.c (print_no_sanitize_attr_value): New function.
13384         (dump_function_to_file): Use it here.
13386 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13388         PR tree-optimization/80803
13389         PR tree-optimization/81063
13390         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
13391         (propagate_subaccesses_across_link): Enqueue subtree whenever
13392         necessary instead of relying on the caller.
13394 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13396         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
13397         that have a first_link.
13398         (sort_and_splice_var_accesses): Do not check first_link before
13399         enquing.
13400         (subtree_mark_written_and_enqueue): Likewise.
13401         (propagate_all_subaccesses): Likewise and do not stop at first
13402         parent with a first_link.
13404 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13406         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
13407         instead of f.
13409 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13411         * match.pd: New pattern.
13413 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13415         * tree-vrp.c (is_masked_range_test): New function.
13416         (register_edge_assert_for): Determine ranges for
13417         some bit tests.
13419 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13421         PR tree-optimization/67328
13422         * fold-const.c (maskable_range_p): New function.
13423         (build_range_check): Generate bittests if possible.
13425 2017-06-13  Martin Liska  <mliska@suse.cz>
13427         * gimple-pretty-print.c (dump_probability): Add new argument.
13428         (dump_edge_probability): Dump both probability and count.
13429         (dump_gimple_label): Likewise.
13430         (dump_gimple_bb_header): Likewise.
13432 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
13434         PR target/81072
13435         * config/avr/avr-devices.c: Fix indentation.
13436         * config/avr/gen-avr-mmcu-specs.c: Dito.
13438 2017-06-13  Richard Biener  <rguenther@suse.de>
13440         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
13441         instead get vector type from stmt_info.
13442         (vectorizable_reduction): Adjust.  Remove dead code.
13444 2017-06-13  Richard Biener  <rguenther@suse.de>
13446         PR middle-end/81065
13447         * fold-const.c (extract_muldiv_1): Remove bogus distribution
13448         case of C * (x * C2 + C3).
13449         (fold_addr_of_array_ref_difference): Properly fold index difference.
13451 2017-06-12  David S. Miller  <davem@davemloft.net>
13453         PR target/80968
13454         * config/sparc/sparc.md (return expander): Emit frame blockage if
13455         function uses alloca.
13457 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
13459         * combine.c (make_field_assignment): Check len rather than the mode
13460         precision when calling force_to_mode.
13462 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
13464         Support multilibs and devices that see flash in RAM address range.
13466         PR target/81072
13467         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
13468         (avr_mcu_t) <flash_pm_offset>: New field.
13469         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
13470         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
13471         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
13472         (AVR_TINY_PM_OFFSET): Remove macro.
13473         * config/avr/avr.opt (-mshort-calls): New option.
13474         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
13475         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
13476         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
13477         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
13478         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
13479         instead of avr_arch->have_jmp_call.
13480         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
13481         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
13482         avr_arch->flash_pm_offset to define.
13483         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
13484         new field flash_pm_offset.  Add entry for avrxmega3.
13485         (avr_texinfo): Add entry for avrxmega3.
13486         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
13487         attiny212, attiny214,
13488         attiny412, attiny414, attiny416, attiny417,
13489         attiny814, attiny816, attiny817,
13490         attiny1614, attiny1616, attiny1617,
13491         attiny3214, attiny3216, attiny3217.
13492         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
13493         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
13494         (avr_print_operand_address) [AVR_TINY]: Same.
13495         (avr_asm_init_sections) <readonly_data_section>: Only patch
13496         callback if avr_arch->flash_pm_offset = 0.
13497         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
13498         for rodata if avr_arch->flash_pm_offset != 0.
13499         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
13500         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
13501         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
13502         (m_options): Append opt_rcall.
13503         (m_dirnames): Append dir_rcall.
13504         * config/avr/t-multilib: Regenerate.
13506         * configure.ac [target=avr]: Check whether avrxmega3 default
13507         linker description file works as needed.
13508         * configure: Regenerate.
13509         * doc/avr-mmcu.texi: Regenerate.
13510         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
13511         <__AVR_ARCH__>: Document avrxmega3 and 103.
13512         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
13513         <__AVR_SHORT_CALLS__>: Document it.
13514         <__AVR_PM_BASE_ADDRESS__>: Document it.
13515         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
13516         (AVR Variable Attributes) <progmem>: Document this is
13517         not needed for avrxmega3.
13518         (AVR Named Address Spaces) <__flash>: Dito.
13520 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
13522         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
13524 2017-06-12  Doug Rupp  <rupp@adacore.com>
13526         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
13527         Append vxworks-stdint.h to the tm_file list.
13528         * config/vxworks-stdint.h: New file.
13530 2017-06-12  Martin Liska  <mliska@suse.cz>
13532         PR tree-optimization/81041
13533         * tree-profile.c (gimple_gen_ic_func_profiler):
13534         Create an extra BB in profile-generate
13535         (gimple_gen_time_profiler): Likewise.
13537 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
13539         PR tree-optimization/81003
13540         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
13541         (update_range_test): Use it instead of force_gimple_operand_gsi.
13543 2017-06-12  Richard Biener  <rguenther@suse.de>
13545         PR tree-optimization/81053
13546         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
13547         with backedge value not defined in loop.  Simplify def stmt
13548         compute.
13550 2017-06-11  Tom de Vries  <tom@codesourcery.com>
13552         PR target/79939
13553         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
13554         Return true.
13555         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
13556         nvptx_cannot_force_const_mem.
13558 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13560         * opts.c (finish_options): Move test for flag_split_stack after
13561         it has been initialized.
13563 2017-06-11  Jason Merrill  <jason@redhat.com>
13565         * tree.h (id_equal): New.
13566         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
13567         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
13568         instead of strcmp of IDENTIFIER_POINTER.
13570 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13572         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
13573         (mark_all_inlined_calls_cdtor): Fix formating.
13574         (inline_transform): Rescale profile before inlining.
13576 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13578         * cgraph.h (cgraph_edge::clone): Update prototype.
13579         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
13580         (cgraph_node::create_clone): Update.
13581         (cgraph_node::create_version_clone): Update.
13582         * tree-inline.c (copy_bb): Update.
13583         (expand_call_inline): Update.
13585 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
13587         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
13588         factored out from ...
13589         (rs6000_emit_prologue): ... here.
13591 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
13593         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
13594         factored out from ...
13595         (rs6000_emit_prologue): ... here.
13597 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13599         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
13600         edge counts.
13601         (handle_missing_profiles): Fix computation of tp_first_run.
13602         (counts_to_freqs): Do not touch freqs when count is 0.
13604 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13606         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
13607         profile.
13609 2017-06-10  Tom de Vries  <tom@codesourcery.com>
13611         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
13612         attributes): Document signal effective target.
13614 2017-06-10  Tom de Vries  <tom@codesourcery.com>
13616         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
13617         Document effective target stack_size.
13619 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
13621         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
13622         to the edit_context if they can be auto-applied.
13624 2017-06-9  Ian Lance Taylor  <iant@golang.org>
13626         * opts.c (finish_options): If -fsplit-stack, disable implicit
13627         -forder-blocks-and-partition.
13628         * doc/invoke.texi (Optimize Options): Document that when using
13629         -fsplit-stack -forder-blocks-and-partition is not implicitly
13630         enabled.
13632 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13634         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
13635         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
13636         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
13637         * builtins.def (abort, trap, unreachable): Declare cold.
13638         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
13639         * tree-core.h (ECF_COLD): New.
13640         * tree.c (set_call_expr_flags): Handle ECF_COLD.
13641         (build_common_builtin_nodes): Mark unreachable and abort as cold.
13643 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13645         * predict.c (unlikely_executed_stmt_p): Cleanup.
13647 2017-06-09  Richard Biener  <rguenther@suse.de>
13649         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
13650         model if the ref is always written to.
13652 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
13654         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
13656 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
13658         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
13659         than udiv.
13661 2017-06-09  Tom de Vries  <tom@codesourcery.com>
13663         PR target/80855
13664         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
13665         "target cannot support label values" when encountering LABEL_REF.
13667 2017-06-09  Martin Liska  <mliska@suse.cz>
13669         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
13670         (gimple_gen_ic_func_profiler): Emit direct comparison
13671         of __gcov_indirect_call_callee with NULL.
13672         (gimple_gen_time_profiler): Change probability from
13673         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
13675 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13677         * profile.c (edge_gcov_counts): Turn to pointer.
13678         (compute_branch_probabilities, compute_branch_probabilities): Update.
13679         (branch_prob): Do not clear edge_gcov_count.
13680         * profile.h (edge_gcov_counts): Turn to pointer.
13681         (edge_gcov_count): Update.
13683 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13685         * gimple.h (gimple_check_failed): Mark cold.
13687 2017-06-09  Richard Biener  <rguenther@suse.de>
13689         PR tree-optimization/66623
13690         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
13691         refactor check_reduction into two parts, properly computing
13692         whether we have to check reduction validity for outer loop
13693         vectorization.
13695 2017-06-09  Richard Biener  <rguenther@suse.de>
13697         PR tree-optimization/79483
13698         * graphite-scop-detection.c (order): New global.
13699         (get_order): Compute bb to order mapping that satisfies code
13700         generation constraints.
13701         (cmp_pbbs): New helper.
13702         (build_scops): Start domwalk at entry block, sort generated
13703         pbbs.
13705 2017-06-09  Richard Biener  <rguenther@suse.de>
13707         PR middle-end/81007
13708         * ipa-polymorphic-call.c
13709         (ipa_polymorphic_call_context::restrict_to_inner_class):
13710         Skip FIELD_DECLs with error_mark_node type.
13711         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
13712         last again.
13714 2017-06-09  Martin Liska  <mliska@suse.cz>
13716         * predict.c (struct branch_predictor): New struct.
13717         (test_prediction_value_range): New test.
13718         (predict_c_tests): New function.
13719         * selftest-run-tests.c (selftest::run_tests): Run the function.
13720         * selftest.h: Declare new tests.
13722 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
13724         PR target/80966
13725         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
13726         gen_add3_insn did not fail.
13727         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
13728         r0, construct that number in a temporary reg and add that reg to r0.
13729         If asked to put the result in r0 as well, fail.
13731 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
13733         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13734         for early expansion of vec_eqv.
13736 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
13738         PR middle-end/81005
13739         * ubsan.c (instrument_null): Avoid pointless code temporary.
13740         (pass_ubsan::execute): Instrument aggregate arguments of calls.
13742 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
13744         PR target/81015
13745         Revert:
13746         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
13748         PR target/59874
13749         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
13750         (*clzhi2): Ditto.
13752 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13754         * predict.c (unlikely_executed_edge_p): Move ahead.
13755         (probably_never_executed_edge_p): Use it.
13757 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13759         PR middle-end/79988
13760         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
13761         gimple_call_builtin_p call.
13763 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13765         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
13766         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
13767         rtl_check_failed_type2, rtl_check_failed_code1,
13768         rtl_check_failed_code2, rtl_check_failed_code_mode,
13769         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
13770         rtvec_check_failed_bounds, rtl_check_failed_flag,
13771         _fatal_insn_not_found, _fatal_insn): Likewise.
13772         * tree.h (tree_contains_struct_check_failed,
13773         tree_check_failed, tree_not_check_failed,
13774         tree_class_check_failed, tree_range_check_failed,
13775         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
13776         tree_vec_elt_check_failed, phi_node_elt_check_failed,
13777         tree_operand_check_failed, omp_clause_check_failed,
13778         omp_clause_operand_check_failed, omp_clause_range_check_failed):
13779         Likewise.
13781 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13783         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
13784         flag_branch_probabilities.
13785         * ipa-inline.c (edge_badness): Likewise.
13786         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
13787         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
13788         * predict.c (maybe_hot_frequency_p): Likewise.
13789         (probably_never_executed): Likewise.
13790         * sched-ebb.c (schedule_ebbs): Likewise.
13791         * sched-rgn.c (find_single_block_region): Likewise.
13792         * tracer.c (tail_duplicate): Likewise.
13794 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13796         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
13797         longer requires x_flag_profile_use.
13799 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13801         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
13802         instead of flag_reorder_blocks_and_partition.
13803         * dbxout.c (dbxout_function_end): Likewise.
13804         * dwarf2out.c (gen_subprogram_die): Likewise.
13805         * haifa-sched.c (sched_create_recovery_edges): Likewise.
13806         * hw-doloop.c (reorg_loops): Likewise.
13807         * varasm.c (assemble_start_function,
13808         assemble_end_function): Likewise.
13809         (decide_function_section): Do not check for
13810         flag_reorder_blocks_and_partition.
13812 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13814         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
13815         New function.
13816         (chkp_get_hard_register_fake_addr_expr): Ditto.
13817         (chkp_build_addr_expr): Add check for hard reg case.
13818         (chkp_parse_array_and_component_ref): Ditto.
13819         (chkp_find_bounds_1): Ditto.
13820         (chkp_process_stmt): Don't generate bounds store for
13821         hard reg case.
13823 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13825         * predict.c (maybe_hot_bb_p): Do not check profile status.
13826         (maybe_hot_edge_p): Likewise.
13827         (probably_never_executed): Check for zero counts even if profile
13828         is not read.
13829         (unlikely_executed_edge_p): New function.
13830         (unlikely_executed_stmt_p): New function.
13831         (unlikely_executed_bb_p): New function.
13832         (set_even_probabilities): Use unlikely predicates.
13833         (combine_predictions_for_bb): Likewise.
13834         (predict_paths_for_bb): Likewise.
13835         (predict_paths_leading_to_edge): Likewise.
13836         (determine_unlikely_bbs): New function.
13837         (estimate_bb_frequencies): Use it.
13838         (compute_function_frequency): Use zero counts even if profile is
13839         not read.
13840         * profile-count.h: Fix typo.
13842 2017-08-08  Julia Koval  <julia.koval@intel.com>
13844         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
13845         _mm512_mask_cvtsepi16_storeu_epi8,
13846         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
13847         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
13848         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
13849         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
13850         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
13851         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
13852         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
13853         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
13854         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
13855         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
13856         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
13857         __builtin_ia32_pmovuswb256mem_mask,
13858         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
13859         __builtin_ia32_pmovwb512mem_mask): New builtins.
13861 2017-08-08  Julia Koval  <julia.koval@intel.com>
13863         PR target/73350,80862
13864         * config/i386/subst.md (round): Fix round pattern.
13865         * config/i386/i386.c (ix86_erase_embedded_rounding):
13866         Fix erasing rounding for the fixed pattern.
13868 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13870         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
13872 2017-06-08  Martin Liska  <mliska@suse.cz>
13874         PR gcov-profile/80911
13875         * gcov.c (block_info::block_info): New constructor.
13877 2017-06-07  Carl Love  <cel@us.ibm.com>
13879         * config/rs6000/rs6000-c: The return type of the following
13880         built-in functions was implemented as int not long long.  Fix sign
13881         of return value for the unsigned version of vec_mulo and vec_mule.
13882         vector unsigned long long vec_bperm (vector unsigned long long,
13883                                              vector unsigned char)
13884         vector signed long long vec_mule (vector signed int,
13885                                           vector signed int)
13886         vector unsigned long long vec_mule (vector unsigned int,
13887                                             vector unsigned int)
13888         vector signed long long vec_mulo (vector signed int,
13889                                           vector signed int)
13890         vector unsigned long long vec_mulo (vector unsigned int,
13891                                             vector unsigned int)
13892         * doc/extend.texi: Fix the documentation for the built-in
13893         functions.
13895 2017-06-07  Carl Love  <cel@us.ibm.com>
13897         PR target/80982
13898         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
13899         for BE.
13901 2017-06-07  Carl Love  <cel@us.ibm.com>
13903         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
13904         support, Generate       doublehv for signed int/float for BE case only.
13906 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
13908         * doc/invoke.texi (mcx16): Rewrite.
13910 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13912         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
13913         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
13914         *mov<mode>_softfloat, and an anonymous splitter): Use
13915         nonimmediate_operand instead of rs6000_nonimmediate_operand.
13917 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13919         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
13920         SPEFSCR registers.
13921         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13922         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
13923         (rs6000_debug_reg_global): Adjust.
13924         (rs6000_init_hard_regno_mode_ok): Adjust.
13925         (rs6000_dbx_register_number): Adjust.
13926         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
13927         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13928         Remove SPE_ACC and SPEFSCR.
13929         (REG_ALLOC_ORDER): Ditto.
13930         (FRAME_POINTER_REGNUM): Change to 111.
13931         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
13932         (REG_CLASS_NAMES): Ditto.
13933         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
13934         (REGISTER_NAMES): Ditto.
13935         (ADDITIONAL_REG_NAMES): Ditto.
13936         (rs6000_reg_names): Ditto.
13937         * config/rs6000/rs6000.md: Renumber some register number
13938         define_constants.
13940 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13942         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
13943         registers.
13944         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13945         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
13946         to 117.
13947         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
13948         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13949         Delete the SPE high registers.
13950         (REG_ALLOC_ORDER): Ditto.
13951         (enum reg_class): Remove SPE_HIGH_REGS.
13952         (REG_CLASS_NAMES): Ditto.
13953         (REG_CLASS_CONTENTS): Delete the SPE high registers.
13954         (REGISTER_NAMES): Ditto.
13955         (rs6000_reg_names): Ditto.
13956         * doc/tm.texi.in: Remove SPE as example.
13957         * doc/tm.texi: Regenerate.
13959 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13961         * config/rs6000/8540.md (ppc8540_brinc): Delete.
13962         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
13963         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
13964         * config/rs6000/rs6000.md (type): Remove "brinc".
13966 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13968         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
13969         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
13970         * config/rs6000/linuxspe.h: Delete file.
13971         * config/rs6000/rs6000.md: Don't include spe.md.
13972         * config/rs6000/spe.h: Delete file.
13973         * config/rs6000/spe.md: Delete file.
13974         * config/rs6000/t-rs6000: Remove spe.md.
13976 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13978         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
13979         (reg_or_none500mem_operand): Delete.
13980         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
13981         instead of reg_or_none500mem_operand.
13983 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13985         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13986         handling of SPE flags.
13987         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
13989 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13991         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
13992         SPE ABI handling.
13993         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
13994         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
13995         paired_divv2sf3): Similar.
13996         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
13997         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
13998         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
13999         RS6000_BUILTIN_S.
14000         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
14001         Rename the paired_* instruction patterns.
14002         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
14003         define __SPE__.
14004         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
14005         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
14006         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
14007         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
14008         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
14009         PAIRED_VECTOR_MODE.
14010         (struct machine_function): Delete field spe_insn_chain_scanned_p.
14011         (spe_func_has_64bit_regs_p): Delete.
14012         (spe_expand_predicate_builtin): Delete.
14013         (spe_expand_evsel_builtin): Delete.
14014         (TARGET_DWARF_REGISTER_SPAN): Do not define.
14015         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
14016         (invalid_e500_subreg): Delete.
14017         (rs6000_legitimize_address): Always force_reg op2 as well, for
14018         paired single memory accesses.
14019         (rs6000_member_type_forces_blk): Delete.
14020         (rs6000_spe_function_arg): Delete.
14021         (rs6000_expand_unop_builtin): Delete SPE handling.
14022         (rs6000_expand_binop_builtin): Ditto.
14023         (spe_expand_stv_builtin): Delete.
14024         (bdesc_2arg_spe): Delete.
14025         (spe_expand_builtin): Delete.
14026         (spe_expand_predicate_builtin): Delete.
14027         (spe_expand_evsel_builtin): Delete.
14028         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
14029         (spe_init_builtins): Delete.
14030         (spe_func_has_64bit_regs_p): Delete.
14031         (savres_routine_name): Delete "info" parameter.  Adjust callers.
14032         (rs6000_emit_stack_reset): Ditto.
14033         (rs6000_dwarf_register_span): Delete.
14034         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
14035         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
14036         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
14037         Delete.
14038         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
14039         Delete.
14040         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
14041         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
14042         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
14043         mulv2sf3, divv2sf3): Delete expanders.
14045 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14047         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
14049 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14051         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
14052         * config/rs6000/rs6000.c: Ditto.
14054 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14056         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
14057         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
14058         comparison_operator.
14060 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14062         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
14063         * config/rs6000/rs6000.opt: Ditto.
14064         * config/rs6000/t-rtems: Ditto.
14066 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14068         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
14069         TARGET_E500_SINGLE by 0, simplify.
14070         * config/rs6000/rs6000.c: Ditto.
14071         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
14072         (spe_build_register_parallel): Delete.
14073         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
14074         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
14075         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
14076         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
14077         (E500_CONVERT): Delete.
14078         * config/rs6000/spe.md: Remove many patterns and all define_constants.
14080 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
14082         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
14083         * config/rs6000/dfp.md: Ditto.
14084         (negdd2, *negdd2_fpr): Merge.
14085         (absdd2, *absdd2_fpr): Merge.
14086         (negtd2, *negtd2_fpr): Merge.
14087         (abstd2, *abstd2_fpr): Merge.
14088         * config/rs6000/e500.h: Delete file.
14089         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
14090         TARGET_FPRS by 1 and simplify.
14091         * config/rs6000/rs6000-c.c: Ditto.
14092         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
14093         TARGET_DF_SPE by 0.
14094         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
14095         TARGET_DF_SPE.
14096         * config/rs6000/rs6000.md: Ditto.
14097         (floatdidf2, *floatdidf2_fpr): Merge.
14098         (move_from_CR_gt_bit): Delete.
14099         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
14100         (E500_CR_IOR_COMPARE): Delete.
14101         (All patterns that require !TARGET_FPRS): Delete.
14102         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
14104 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14106         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
14108 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14110         * graphds.c (add_edge): Intitialize edge's attached data.
14111         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
14112         pointer parameter.  Call pointed function on each edge during
14113         graph traversing.  Skip traversing the edge when the function
14114         returns true.
14115         (graphds_dfs, graphds_scc): Ditto.
14116         (for_each_edge): New parameter.  Pass the new parameter to callback
14117         function.
14118         * graphds.h (skip_edge_callback): New function pointer type.
14119         (graphds_dfs, graphds_scc): New function pointer parameter.
14120         (graphds_edge_callback, for_each_edge): New parameter.
14122 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14124         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
14125         out code checking if runtime alias check is possible to below ...
14126         Call the new function.
14127         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
14128         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
14130 2017-06-07  Marek Polacek  <polacek@redhat.com>
14132         PR sanitizer/80932
14133         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
14134         TYPE_OVERFLOW_WRAPS check.
14136 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14138         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
14139         if versioning is required.
14140         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
14141         peeling with the check for versioning.
14143 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14145         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
14146         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
14147         Set true to new parameter if new ssa variable is defined.
14148         (vect_gen_vector_loop_niters): Refactor.  Set range information
14149         for the new vector loop bound variable.
14150         (vect_do_peeling): Ditto.
14152 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14154         * tree-affine.c (ssa.h): Include header file.
14155         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
14156         has wrapping overflow behavior.
14158 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14160         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
14162 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14164         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
14165         (tree_to_aff_combination): ... here.
14167 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
14169         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
14170         reg_pressure model function.
14171         (ivopts_global_cost_for_size): Delete.
14172         (determine_set_costs, iv_ca_recount_cost): Call new model function
14173         ivopts_estimate_reg_pressure.
14175 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
14177         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
14178         expensive than udiv.  Remove floating point cases from mod.
14180 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
14182         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
14183         Increase idiv cost.
14185 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
14187         * config/aarch64/aarch64.md
14188         (copysignsf3): Fix mask generation.
14190 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
14192         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
14193         TDI_gimple.
14194         (class dump_manager): Add register_dumps method.
14195         * dumpfile.c: Include langhooks.h.
14196         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
14197         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
14198         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
14199         (dump_manager::dump_register): Start with 512 entries instead of 32.
14200         (dump_manager::register_dumps): New method.
14201         * toplev.c (general_init): Instead of invoking register_dumps
14202         langhook, invoke register_dumps method on the dump manager.
14203         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
14204         TDI_generic.
14206 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
14208         * doc/md.texi: Clarify the restrictions on a define_insn condition.
14209         Say that # requires an associated define_split to exist, and that
14210         the define_split must be suitable for use after register allocation.
14212 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14214         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
14215         (compute_outgoing_frequencies): Also initialize zero counts.
14216         (find_many_sub_basic_blocks): Do not produce uninitialized profile
14217         around loops; preserve more of profile when nothing changes.
14219 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
14221         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
14222         here.
14223         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
14224         * config/arm/arm-cpu-cdata.h: Regenerate.
14225         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
14226         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
14227         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
14228         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
14229         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
14230         support.
14231         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
14232         support.
14233         * config/arm/t-rmprofile: Likewise.
14234         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
14236 2017-06-06  David S. Miller  <davem@davemloft.net>
14238         PR target/80968
14239         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
14240         blockage if function uses alloca.
14242 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
14244         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
14245         New "uid" fields to hold pretty-print IDs of group and ref.
14246         Memory references are now identified as <group_id>:<ref_id>
14247         instead of using [random] addresses.
14248         (dump_mem_details): Simplify, no functional change.
14249         (dump_mem_ref): Simplify and make output more concise.
14250         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
14251         (find_or_create_group): Initialize group uid.
14252         (record_ref): Initialize ref uid.  Improve debug output.
14253         (prune_group_by_reuse, should_issue_prefetch_p,)
14254         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
14255         (mark_nontemporal_store, determine_loop_nest_reuse):
14256         Improve debug output.
14258 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
14260         * dbgcnt.def (prefetch): New debug counter.
14261         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
14262         (schedule_prefetches): Stop issueing prefetches if debug counter
14263         tripped.
14265 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14267         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
14268         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
14270 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14272         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
14273         Use aarch64_reg_or_zero predicate for operand 4.
14274         (aarch64_compare_and_swap<mode> define_insn_and_split):
14275         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
14276         (aarch64_store_exclusive<mode>): Likewise for operand 2.
14278 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14280         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
14281         (arm_compute_save_core_reg_mask): This.
14282         (thumb1_compute_save_reg_mask): Rename into ...
14283         (thumb1_compute_save_core_reg_mask): This.
14284         (arm_compute_save_reg0_reg12_mask): Adapt comment.
14285         (arm_compute_frame_layout): Likewise.
14287 2017-06-06  Richard Biener  <rguenther@suse.de>
14289         PR tree-optimization/80974
14290         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
14291         keep or clear leaders SSA info.
14293 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14295         * config/nvptx/nvptx.c (split_mode_p): New function.
14296         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
14298 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14300         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
14302 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14304         PR bootstrap/80978
14305         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
14306         profile.
14308 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14310         * shrink-wrap.c (handle_simple_exit): Update profile.
14311         (try_shrink_wrapping): Upate profile.
14313 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14315         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
14316         (tree_guess_outgoing_edge_probabilities): New.
14317         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
14318         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
14320 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14322         * ipa-split.c (split_function): Initialize return bb profile.
14324 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14326         * profile.c (compute_branch_probabilities): Also initialize
14327         EXIT_BLOCK profile.
14329 2017-06-06  Richard Biener  <rguenther@suse.de>
14331         PR tree-optimization/80928
14332         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
14333         (vect_analyze_loop_operations): Properly guard analysis for
14334         pure SLP case.
14335         (vect_transform_loop): Likewise.
14336         (vect_analyze_loop_2): Also reset SLP type on PHIs.
14337         (vect_model_induction_cost): Do not cost for pure SLP.
14338         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
14339         of induction in inner loop vectorization.
14340         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
14341         (vect_get_and_check_slp_defs): Handle vect_induction_def.
14342         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
14343         recursion.
14344         (vect_analyze_slp_cost_1): Cost induction.
14345         (vect_detect_hybrid_slp_stmts): Handle PHIs.
14346         (vect_get_slp_vect_defs): Likewise.
14347         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
14348         (vect_transform_stmt): Handle SLP reductions.
14349         * tree-vectorizer.h (vectorizable_induction): Adjust.
14351 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
14353         * config/rs6000/rs6000.c (make_resolver_func): Update
14354         init_lowered_empty_function call.
14356 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14358         * doc/invoke.texi: Document the -fprofile-abs-path option.
14359         * common.opt (fprofile-abs-path): New option.
14360         * gcov-io.h (gcov_write_filename): Declare.
14361         * gcov-io.c (gcov_write_filename): New function.
14362         * coverage.c (coverage_begin_function): Use gcov_write_filename.
14363         * profile.c (output_location): Likewise.
14365 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14367         * shring-wrap.c: Revert accidental commit.
14369 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
14371         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
14373 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14375         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
14376         new edge.
14377         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
14378         profile in callgraph edge.
14379         * profile-count.h (apply_probability): If THIS is 0, then result is 0
14380         (apply_scale): Likewise.
14381         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
14382         Also scale profile when inlining function with zero profile.
14383         (initialize_cfun): Update exit block profile even when it is zero.
14384         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
14385         when profile is read.
14387 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
14389         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
14390         (CLONE_*): New constants to define the processors we can generate
14391         code for with the target_clone attribute.
14392         (rs6000_clone_map): New array to identify which clone processors
14393         the current program is running on.
14394         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
14395         target_clone attribute.
14396         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
14397         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
14398         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
14399         (cpu_expand_builtin): Add support for target_clone attribute.
14400         (rs6000_valid_attribute_p): Allow "default" attribute.
14401         (get_decl_name): New debug function to simplify printing the
14402         current function name in debugging statements.
14403         (rs6000_clone_priority): New functions to support the target_clone
14404         attribute, and be able to generate code to switch between ISA 2.05
14405         through ISA 3.0 (power6 through power9).
14406         (rs6000_compare_version_priority): Likewise.
14407         (rs6000_get_function_versions_dispatcher): Likewise.
14408         (make_resolver_func): Likewise.
14409         (add_condition_to_bb): Likewise.
14410         (dispatch_function_versions): Likewise.
14411         (rs6000_generate_version_dispatcher_body): Likewise.
14412         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
14413         (fusion_gpr_load_p): Fix a spacing issue.
14414         * doc/extend.texi (Common Function Attributes): Document that the
14415         PowerPC supports the target_clone attribute.
14417 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14419         * config/arm/arm.h: explain F symbol found in description of ARM
14420         register allocation in its legend.
14422 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14424         * config/mips/frame-header-opt.c: Include profile-count.h.
14425         * config/riscv/riscv.c: Include profile-count.h
14427 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14429         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
14430         update profile.
14431         (sm_set_flag_if_changed): Add bbs field.
14432         (execute_sm_if_changed_flag_set): Pass BBS.
14433         (execute_sm): Update.
14435 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14437         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
14438         New pattern.
14440 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14442         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
14443         (peephole2): New peephole2 to emit the above.
14444         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
14446 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14448         * config/aarch64/aarch64.c (define_peephole2 above
14449         *sub_<shift>_<mode>): New peephole.
14451 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14453         * config/i386/i386.c (make_resolver_func): Update.
14454         * Makefile.in: Add profile-count.h and profile-count.o
14455         * auto-profile.c (afdo_indirect_call): Update to new API.
14456         (afdo_set_bb_count): Update.
14457         (afdo_propagate_edge): Update.
14458         (afdo_propagate_circuit): Update.
14459         (afdo_calculate_branch_prob): Update.
14460         (afdo_annotate_cfg): Update.
14461         * basic-block.h: Include profile-count.h
14462         (struct edge_def): Turn count to profile_count.
14463         (struct basic_block_def): Likewie.
14464         (REG_BR_PROB_BASE): Move to profile-count.h
14465         (RDIV): Move to profile-count.h
14466         * bb-reorder.c (max_entry_count): Turn to profile_count.
14467         (find_traces): Update.
14468         (rotate_loop):Update.
14469         (connect_traces):Update.
14470         (sanitize_hot_paths):Update.
14471         * bt-load.c (migrate_btr_defs): Update.
14472         * cfg.c (RDIV): Remove.
14473         (init_flow): Use alloc_block.
14474         (alloc_block): Uninitialize count.
14475         (unchecked_make_edge): Uninitialize count.
14476         (check_bb_profile): Update.
14477         (dump_edge_info): Update.
14478         (dump_bb_info): Update.
14479         (update_bb_profile_for_threading): Update.
14480         (scale_bbs_frequencies_int): Update.
14481         (scale_bbs_frequencies_gcov_type): Update.
14482         (scale_bbs_frequencies_profile_count): New.
14483         * cfg.h (update_bb_profile_for_threading): Update.
14484         (scale_bbs_frequencies_profile_count): Declare.
14485         * cfgbuild.c (compute_outgoing_frequencies): Update.
14486         (find_many_sub_basic_blocks): Update.
14487         * cfgcleanup.c (try_forward_edges): Update.
14488         (try_crossjump_to_edge): Update.
14489         * cfgexpand.c (expand_gimple_tailcall): Update.
14490         (construct_exit_block): Update.
14491         * cfghooks.c (verify_flow_info): Update.
14492         (dump_bb_for_graph): Update.
14493         (split_edge): Update.
14494         (make_forwarder_block): Update.
14495         (duplicate_block): Update.
14496         (account_profile_record): Update.
14497         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
14498         (get_estimated_loop_iterations): Update.
14499         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
14500         (single_likely_exit): Update.
14501         * cfgloopmanip.c (scale_loop_profile): Update.
14502         (loopify): Update.
14503         (set_zero_probability): Update.
14504         (lv_adjust_loop_entry_edge): Update.
14505         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
14506         (purge_dead_edges): Update.
14507         (rtl_account_profile_record): Update.
14508         * cgraph.c (cgraph_node::create): Uninitialize count.
14509         (symbol_table::create_edge): Uninitialize count.
14510         (cgraph_update_edges_for_call_stmt_node): Update.
14511         (cgraph_edge::dump_edge_flags): Update.
14512         (cgraph_node::dump): Update.
14513         (cgraph_edge::maybe_hot_p): Update.
14514         * cgraph.h: Include profile-count.h
14515         (create_clone), create_edge, create_indirect_edge): Update.
14516         (cgraph_node): Turn count to profile_count.
14517         (cgraph_edge0: Likewise.
14518         (make_speculative, clone): Update.
14519         (create_edge): Update.
14520         (init_lowered_empty_function): Update.
14521         * cgraphclones.c (cgraph_edge::clone): Update.
14522         (duplicate_thunk_for_node): Update.
14523         (cgraph_node::create_clone): Update.
14524         * cgraphunit.c (cgraph_node::analyze): Update.
14525         (cgraph_node::expand_thunk): Update.
14526         * final.c (dump_basic_block_info): Update.
14527         * gimple-streamer-in.c (input_bb): Update.
14528         * gimple-streamer-out.c (output_bb): Update.
14529         * graphite.c (print_global_statistics): Update.
14530         (print_graphite_scop_statistics): Update.
14531         * hsa-brig.c: Include basic-block.h.
14532         * hsa-dump.c: Include basic-block.h.
14533         * hsa-gen.c (T sum_slice): Update.
14534         (convert_switch_statements):Update.
14535         * hsa-regalloc.c: Include basic-block.h.
14536         * ipa-chkp.c (chkp_produce_thunks): Update.
14537         * ipa-cp.c (struct caller_statistics): Update.
14538         (init_caller_stats): Update.
14539         (gather_caller_stats): Update.
14540         (ipcp_cloning_candidate_p): Update.
14541         (good_cloning_opportunity_p): Update.
14542         (get_info_about_necessary_edges): Update.
14543         (dump_profile_updates): Update.
14544         (update_profiling_info): Update.
14545         (update_specialized_profile): Update.
14546         (perhaps_add_new_callers): Update.
14547         (decide_about_value): Update.
14548         (ipa_cp_c_finalize): Update.
14549         * ipa-devirt.c (struct odr_type_warn_count): Update.
14550         (struct decl_warn_count): Update.
14551         (struct final_warning_record): Update.
14552         (possible_polymorphic_call_targets): Update.
14553         (ipa_devirt): Update.
14554         * ipa-fnsummary.c (redirect_to_unreachable): Update.
14555         * ipa-icf.c (sem_function::merge): Update.
14556         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
14557         * ipa-inline.c (compute_uninlined_call_time): Update.
14558         (compute_inlined_call_time): Update.
14559         (want_inline_small_function_p): Update.
14560         (want_inline_self_recursive_call_p): Update.
14561         (edge_badness): Update.
14562         (lookup_recursive_calls): Update.
14563         (recursive_inlining): Update.
14564         (inline_small_functions): Update.
14565         (dump_overall_stats): Update.
14566         (dump_inline_stats): Update.
14567         * ipa-profile.c (ipa_profile_generate_summary): Update.
14568         (ipa_propagate_frequency): Update.
14569         (ipa_profile): Update.
14570         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14571         * ipa-utils.c (ipa_merge_profiles): Update.
14572         * loop-doloop.c (doloop_modify): Update.
14573         * loop-unroll.c (report_unroll): Update.
14574         (unroll_loop_runtime_iterations): Update.
14575         * lto-cgraph.c (lto_output_edge): Update.
14576         (lto_output_node): Update.
14577         (input_node): Update.
14578         (input_edge): Update.
14579         (merge_profile_summaries): Update.
14580         * lto-streamer-in.c (input_cfg): Update.
14581         * lto-streamer-out.c (output_cfg): Update.
14582         * mcf.c (create_fixup_graph): Update.
14583         (adjust_cfg_counts): Update.
14584         (sum_edge_counts): Update.
14585         * modulo-sched.c (sms_schedule): Update.
14586         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
14587         * predict.c (maybe_hot_count_p): Update.
14588         (probably_never_executed): Update.
14589         (dump_prediction): Update.
14590         (combine_predictions_for_bb): Update.
14591         (propagate_freq): Update.
14592         (handle_missing_profiles): Update.
14593         (counts_to_freqs): Update.
14594         (rebuild_frequencies): Update.
14595         (force_edge_cold): Update.
14596         * predict.h: Include profile-count.h
14597         (maybe_hot_count_p, counts_to_freqs): UPdate.
14598         * print-rtl-function.c: Do not include cfg.h
14599         * print-rtl.c: Include basic-block.h
14600         * profile-count.c: New file.
14601         * profile-count.h: New file.
14602         * profile.c (is_edge_inconsistent): Update.
14603         (correct_negative_edge_counts): Update.
14604         (is_inconsistent): Update.
14605         (set_bb_counts): Update.
14606         (read_profile_edge_counts): Update.
14607         (compute_frequency_overlap): Update.
14608         (compute_branch_probabilities): Update; Initialize and deinitialize
14609         gcov_count tables.
14610         (branch_prob): Update.
14611         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
14612         (edge_gcov_count): New.
14613         (bb_gcov_count): New.
14614         * shrink-wrap.c (try_shrink_wrapping): Update.
14615         * tracer.c (better_p): Update.
14616         * trans-mem.c (expand_transaction): Update.
14617         (ipa_tm_insert_irr_call): Update.
14618         (ipa_tm_insert_gettmclone_call): Update.
14619         * tree-call-cdce.c: Update.
14620         * tree-cfg.c (gimple_duplicate_sese_region): Update.
14621         (gimple_duplicate_sese_tail): Update.
14622         (gimple_account_profile_record): Update.
14623         (execute_fixup_cfg): Update.
14624         * tree-inline.c (copy_bb): Update.
14625         (copy_edges_for_bb): Update.
14626         (initialize_cfun): Update.
14627         (freqs_to_counts): Update.
14628         (copy_cfg_body): Update.
14629         (expand_call_inline): Update.
14630         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
14631         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
14632         (try_unroll_loop_completely): Update.
14633         (try_peel_loop): Update.
14634         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
14635         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
14636         * tree-ssa-loop-split.c (connect_loops): Update.
14637         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
14638         * tree-ssa-reassoc.c (branch_fixup): Update.
14639         * tree-ssa-tail-merge.c (replace_block_by): Update.
14640         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
14641         (compute_path_counts): Update.
14642         (update_profile): Update.
14643         (recompute_probabilities): Update.
14644         (update_joiner_offpath_counts): Update.
14645         (estimated_freqs_path): Update.
14646         (freqs_to_counts_path): Update.
14647         (clear_counts_path): Update.
14648         (ssa_fix_duplicate_block_edges): Update.
14649         (duplicate_thread_path): Update.
14650         * tree-switch-conversion.c (case_bit_test_cmp): Update.
14651         (struct switch_conv_info): Update.
14652         * tree-tailcall.c (decrease_profile): Update.
14653         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
14654         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
14655         * value-prof.c (check_counter): Update.
14656         (gimple_divmod_fixed_value): Update.
14657         (gimple_mod_pow2): Update.
14658         (gimple_mod_subtract): Update.
14659         (gimple_ic_transform): Update.
14660         (gimple_stringop_fixed_value): Update.
14661         * value-prof.h (gimple_ic): Update.
14663 2017-06-02  Carl Love  <cel@us.ibm.com>
14665         * config/rs6000/rs6000-c: Add support for built-in functions
14666         vector double vec_doublee (vector signed int);
14667         vector double vec_doublee (vector unsigned int);
14668         vector double vec_doublee (vector float);
14669         vector double vec_doubleh (vector signed int);
14670         vector double vec_doubleh (vector unsigned int);
14671         vector double vec_doubleh (vector float);
14672         vector double vec_doublel (vector signed int);
14673         vector double vec_doublel (vector unsigned int);
14674         vector double vec_doublel (vector float);
14675         vector double vec_doubleo (vector signed int);
14676         vector double vec_doubleo (vector unsigned int);
14677         vector double vec_doubleo (vector float);.
14678         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
14679         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
14680         UNS_DOUBLEL.
14681         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
14682         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
14683         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
14684         VS_sxwsp.
14685         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
14686         vec_doublel, vec_doubleh.
14687         * doc/extend.texi: Update the built-in documentation file for the
14688         new built-in functions.
14690 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
14692         PR jit/80954
14693         * ipa-inline-analysis.c (free_growth_caches): Set
14694         edge_removal_hook_holder to NULL after removing it.
14696 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
14698         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
14699         comparision with zero.
14701 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
14702         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
14703         for early expansion of vec_min and vec_max builtins.
14704         (builtin_function_type): Add min/max unsigned variants to those
14705         identified as having unsigned arguments.
14707 2017-06-02  Olivier Hainque  <hainque@adacore.com>
14709         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
14711 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14713         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
14714         Use VALL_F16 iterator rather than VALL.
14716 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14718         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
14719         Emit CBNZ inside loop when doing a strong exchange and comparing
14720         against zero.  Generate the CC flags after the loop.
14722 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
14724         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
14725         (dl_section_ref): New.
14726         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
14727         On AIX, append an expression to subtract the size of the
14728         section length to dl_section_ref.
14730 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
14732         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
14733         for early expansion of vector absolute builtins.
14735 2017-06-02  Richard Biener  <rguenther@suse.de>
14737         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
14738         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
14740 2017-06-02  Richard Biener  <rguenther@suse.de>
14742         PR tree-optimization/80948
14743         * tree-tailcall.c (find_tail_calls): Track stmts to move in
14744         stmt order as well.
14746 2017-06-02  Richard Biener  <rguenther@suse.de>
14748         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
14749         PHIs are ok.
14750         * tree-vect-stmts.c (process_use): Do not mark backedge defs
14751         for inductions as relevant.
14753 2017-06-02  Richard Biener  <rguenther@suse.de>
14755         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
14756         (vectorizable_induction): ... this.  Remove dead code.
14758 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
14760         * builtins. (expand_builtin_alloca): Remove second parameter and
14761         infer its value from the first parameter instead.
14762         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
14764 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
14766         PR rtl-optimization/80903
14767         * loop-doloop.c (add_test): Unshare sequence.
14769 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14771         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
14773 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14775         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
14776         static.
14777         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
14778         xlogue_layout::get_instance, logue_layout::xlogue_layout,
14779         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
14780         (xlogue_layout::get_stub_rtx): Make static.
14781         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
14782         (xlogue_layout::compute_stub_managed_regs): Rename to...
14783         (xlogue_layout::count_stub_managed_regs): ...this.
14784         (xlogue_layout::is_stub_managed_reg): New function.
14785         (xlogue_layout::m_stub_names): Rename to...
14786         (xlogue_layout::s_stub_names): ...this, make static.
14787         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
14788         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
14789         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
14790         xlogue_layout::s_stub_names): Instantiate statics.
14791         (stub_managed_regs): Remove.
14792         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
14793         (disable_call_ms2sysv_xlogues): Rename to...
14794         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
14795         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
14796         warning logic.
14797         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
14798         change after reload_completed.
14799         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
14800         directly.
14801         (ix86_expand_prologue): Likewise.
14802         (ix86_expand_epilogue): Likewise.
14803         (ix86_expand_split_stack_prologue): Likewise.
14804         (ix86_compute_frame_layout): Remove frame parameter ...
14805         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
14806         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
14807         only if necessary.
14808         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
14809         (ix86_frame): Move from here ...
14810         * config/i386/i386.h (ix86_frame): ... to here.
14811         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
14812         complete ix86_frame data structure instead.  Remove some_ld_name.
14814 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14816         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
14817         symbols that hold a DECL_VALUE_EXPR.
14819 2017-06-01  Martin Jambor  <mjambor@suse.cz>
14821         PR tree-optimization/80898
14822         * tree-sra.c (process_subtree_disqualification): Removed.
14823         (disqualify_candidate): Do not acll
14824         process_subtree_disqualification.
14825         (subtree_mark_written_and_enqueue): New function.
14826         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
14827         RHS has been disqualified and re-queue LHS if necessary.  Apart
14828         from that, ignore disqualified RHS.
14830 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14832         * config/s390/s390.c (s390_emit_epilogue): Disable early return
14833         address fetch for z10 or later.
14835 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14837         * config/arc/arc.md (tst_movb): Add guard when splitting.
14839 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14841         * config/arc/arc.c (arc_can_eliminate): Test against
14842         arc_frame_pointer_needed.
14844 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14846         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
14847         to prevent store reordering.
14848         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
14849         (type): Add block type.
14850         (stack_tie): Define special instruction to be used in
14851         expand_prologue.
14853 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14855         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
14856         constraint. It is not valid for the pattern.
14857         (noncommutative_binary_comparison): Likewise.
14859 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14861         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
14862         scaled addresses.
14864 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14866         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
14867         be used by the reg-alloc.
14869 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14871         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
14872         reg-alloc when having mul64 or mul32x16 instructions.
14873         (mulsidi3): Likewise.
14874         (umulsidi3): Likewise.
14875         (mulsi32x16): New pattern.
14876         (mulsi64): Likewise.
14877         (mulsidi64): Likewise.
14878         (umulsidi64): Likewise.
14879         (MUL32x16_REG): Define.
14880         (mul64_600): Use MUL32x16_REG.
14881         (mac64_600): Likewise.
14882         (umul64_600): Likewise.
14883         (umac64_600): Likewise.
14885 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14887         * config/arc/arc.md (mulsi3_700): Make it commutative.
14889 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
14891         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
14892         type for movstouw.
14893         (*sign_extendsidi2_insn): Likewise for movstosw.
14895 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14897         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
14898         the type of the input discriminant value.  Convert the
14899         discriminant value of signedness vary.
14901 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
14903         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
14904         Add to -Wall section.
14906 2017-06-01  Richard Biener  <rguenther@suse.de>
14908         PR middle-end/66313
14909         * fold-const.c (fold_plusminus_mult_expr): If the factored
14910         factor may be zero use a wrapping type for the inner operation.
14911         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
14912         and handle moved defs.
14913         (process_assignment): Properly guard the unary op case.  Return a
14914         tri-state indicating that moving the stmt before the call may allow
14915         to continue.  Pass through to_move.
14916         (find_tail_calls): Handle moving unrelated defs before
14917         the call.
14919 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
14921         PR target/80618
14922         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
14923         splitter result in the canonical way.
14925 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
14927         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
14928         also for 32bit target.  Update insn attributes.
14929         (zero-extendsidi2 splitter): Allow all registers for operand 1.
14931 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
14933         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
14934         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
14935         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
14936         (_mm_maskz_min_ss): New intrinsics.
14938 2017-05-31  Martin Liska  <mliska@suse.cz>
14940         * tree-vect-loop.c (vect_create_epilog_for_reduction):
14941         Change comment style to one we normally use.
14942         (vectorizable_reduction): Likewise.
14943         (vectorizable_induction): Likewise.
14944         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
14945         (vectorizable_call): Likewise.
14946         (vectorizable_simd_clone_call): Likewise.
14947         (vectorizable_conversion): Likewise.
14948         (vectorizable_assignment): Likewise.
14949         (vectorizable_shift): Likewise.
14950         (vectorizable_operation): Likewise.
14951         (vectorizable_store): Likewise.
14952         (vectorizable_load): Likewise.
14953         * tree-vectorizer.h: Likewise.
14955 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
14957         * passes.c (emergency_dump_function): New.
14958         * tree-pass.h (emergency_dump_function): Declare.
14959         * plugin.c (plugins_internal_error_function): Remove.
14960         * plugin.h (plugins_internal_error_function): Remove declaration.
14961         * toplev.c (internal_error_function): New static function.  Use it...
14962         (general_init): ...here.
14964 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
14966         * config/arc/arc.c (arc_print_operand): Handle constant operands.
14967         (arc_rtx_costs): Add costs for new patterns.
14968         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
14969         * config/arc/predicates.md: Add _1_2_3_operand predicate.
14971 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14973         * tree-ssa-strlen.c (get_next_strinfo): New function.
14974         (get_stridx_plus_constant): Use it.
14975         (zero_length_string): Likewise.
14976         (adjust_related_strinfos): Likewise.
14977         (adjust_last_stmt): Likewise.
14979 2017-05-31  Richard Biener  <rguenther@suse.de>
14981         PR target/80880
14982         * config/i386/i386.c (ix86_expand_builtin): Remove assert
14983         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
14985 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14987         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
14988         loop_vinfo argument and use of dependence distance vectors.
14989         Check instead whether the two references differ only in their
14990         initial value and assume that they have the same alignment if the
14991         difference is a multiple of the vector alignment.
14992         (vect_analyze_data_refs_alignment): Update call accordingly.
14994 2017-05-31  Martin Liska  <mliska@suse.cz>
14996         PR target/79155
14997         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
14999 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
15001         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
15002         (create_intersect_range_checks): Move from ...
15003         * tree-data-ref.c (create_intersect_range_checks_index)
15004         (create_intersect_range_checks): ... to here.
15005         (create_runtime_alias_checks): New function factored from ...
15006         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
15007         here.  Call above function.
15008         * tree-data-ref.h (create_runtime_alias_checks): New function.
15010 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
15012         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
15013         segment length for dr_b and compute it in wide_int.
15015 2017-05-31  Richard Biener  <rguenther@suse.de>
15017         PR tree-optimization/80906
15018         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
15019         and pass through iv_map.
15020         (copy_bb_and_scalar_dependences): Adjust.
15021         (translate_pending_phi_nodes): Likewise.
15022         (copy_loop_close_phi_args): Handle code-generating IVs instead
15023         of ICEing.
15025 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
15027         * diagnostic-color.c (color_dict): Add "type-diff".
15028         (parse_gcc_colors): Update comment.
15029         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
15030         -fdiagnostics-show-template-tree and -fno-elide-type.
15031         (GCC_COLORS): Add type-diff to example.
15032         (type-diff=): New.
15033         (-fdiagnostics-show-template-tree): New.
15034         (-fno-elide-type): New.
15035         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
15036         the pp_format_decoder callback.  Call any m_format_postprocessor's
15037         "handle" method.
15038         (pretty_printer::pretty_printer): Initialize
15039         m_format_postprocessor.
15040         (pretty_printer::~pretty_printer): Delete any
15041         m_format_postprocessor.
15042         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
15043         (class format_postprocessor): New class.
15044         (struct pretty_printer::format_decoder): Document the new parameters.
15045         (struct pretty_printer::m_format_postprocessor): New field.
15046         * tree-diagnostic.c (default_tree_printer): Update for new
15047         bool and const char ** params.
15048         * tree-diagnostic.h (default_tree_printer): Likewise.
15050 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
15052         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
15053         (lwa_operand): Delete rs6000_gen_cell_microcode test.
15054         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
15055         rs6000_gen_cell_microcode code.
15056         (rs6000_final_prescan_insn): Delete.
15057         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
15058         "warn-cell-microcode" entries.
15059         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
15060         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
15061         throughout.  Change cc_reg_not_micro_cr0_operand to
15062         cc_reg_not_cr0_operand throughout.
15063         (*extendhi<mode>2_noload): Delete.
15064         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
15065         (mwarn-cell-microcode): Delete.
15066         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
15067         -mgen-cell-microcode and -mwarn-cell-microcode.
15069 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
15071         PR target/80833
15072         * config/i386/constraints.md (Yd): New constraint.
15073         (Ye): Ditto.
15074         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
15075         and (?Yd, r) alternatives.  Update insn attributes.
15076         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
15077         and (?*Yd, r) alternatives.  Update insn attributes.
15078         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
15080 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
15082         * gimplify.c (gimplify_modify_expr): Don't create a
15083         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
15084         function.
15086 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
15088         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
15090 2017-05-30  Richard Biener  <rguenther@suse.de>
15092         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
15093         and reduc_def fields.
15094         (STMT_VINFO_REDUC_TYPE): New define.
15095         (STMT_VINFO_REDUC_DEF): Likewise.
15096         (vect_force_simple_reduction): Adjust prototype.
15097         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
15098         (vect_is_simple_reduction): Remove check_reduction argument.
15099         (vect_force_simple_reduction): Adjust and set
15100         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
15101         (vectorizable_reduction): Do not re-do reduction analysis
15102         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
15103         * tree-parloops.c (gather_scalar_reductions): Adjust.
15105 2017-05-30  Richard Biener  <rguenther@suse.de>
15107         PR middle-end/80901
15108         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
15109         split_edge code.
15111 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
15113         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
15114         Introduce unknown_misalignment parameter and remove vf.
15115         (vect_peeling_hash_get_lowest_cost):
15116         Pass unknown_misalignment parameter.
15117         (vect_enhance_data_refs_alignment):
15118         Fix unsupportable data ref treatment.
15120 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
15122         * tree-vect-data-refs.c (vect_get_data_access_cost):
15123         Workaround for SLP handling.
15124         (vect_enhance_data_refs_alignment):
15125         Compute costs for doing no peeling at all, compare to the best
15126         peeling costs so far and avoid peeling if cheaper.
15128 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
15130         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
15131         Return peeling info and set costs to zero for unlimited cost
15132         model.
15133         (vect_enhance_data_refs_alignment): Also inspect all datarefs
15134         with unknown misalignment. Compute and costs for unknown
15135         misalignment, compare them to the costs for known misalignment
15136         and choose the cheapest for peeling.
15138 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
15140         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
15141         (vect_get_peeling_costs_all_drs): Create function.
15142         (vect_peeling_hash_get_lowest_cost):
15143         Use vect_get_peeling_costs_all_drs.
15144         (vect_peeling_supportable): Create function.
15145         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
15147 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
15149         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
15150         DR_HAS_NEGATIVE_STEP.
15151         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
15152         (vect_enhance_data_refs_alignment): Use.
15153         (vect_duplicate_ssa_name_ptr_info): Use.
15154         * tree-vectorizer.h (dr_misalignment): Use.
15155         (known_alignment_for_access_p): Use.
15157 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
15159         PR target/78838
15160         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
15161         .lowtext.
15162         (has_section_name): New function.
15164 2017-05-30  Martin Liska  <mliska@suse.cz>
15166         PR other/80909
15167         * auto-profile.c (get_function_decl_from_block): Fix
15168         parenthesis.
15170 2017-05-30  Richard Biener  <rguenther@suse.de>
15172         PR middle-end/80876
15173         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
15175 2017-05-30  Martin Liska  <mliska@suse.cz>
15177         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
15178         * dumpfile.h (struct dump_file_info): Remove ctors.
15180 2017-05-30  Martin Liska  <mliska@suse.cz>
15182         * predict.def: Fix GNU coding style.
15184 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
15186         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
15187         Mark 'to' argument with ATTRIBUTE_UNUSED.
15189 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
15191         * config/xtensa/xtensa.c (xtensa_emit_call): Use
15192         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
15193         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
15194         format string.
15196 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
15198         * doc/install.texi (Options specification): Restore entry of
15199         --enable-sjlj-exceptions.
15201 2017-05-27  Michael Eager  <eager@eagercon.com>
15203         Revert:
15204         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
15206         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
15208         * config/microblaze/microblaze.h
15209         (FIXED_REGISTERS): Update in macro.
15210         (CALL_USED_REGISTERS): Update in macro.
15212 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
15214         * doc/install.texi: Add links to macOS binary distributions.
15216 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
15218         PR bootstrap/80887
15219         Revert:
15220         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15222         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
15224 2017-05-26  Martin Liska  <mliska@suse.cz>
15226         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
15228 2017-05-26  Martin Liska  <mliska@suse.cz>
15230         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
15231         always leading ';; '.
15232         (dump_bb_info): Likewise.
15233         (brief_dump_cfg): Likewise.
15234         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
15235         * dumpfile.c: Remove usage of TDF_VERBOSE.
15236         * dumpfile.h (enum dump_kind): Likewise.
15237         (dump_gimple_bb_header): Do not use TDF_COMMENT.
15238         * print-tree.c (debug_verbose): Remove.
15239         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
15240         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
15241         * tree-diagnostic.c (default_tree_printer): Replace
15242         TDF_DIAGNOSTIC with TDF_SLIM.
15244 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15246         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
15247         in parameter loop, rather than loop_vinfo.
15248         (create_intersect_range_checks): Ditto.
15249         (vect_create_cond_for_alias_checks): Update call to above functions.
15251 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15253         PR tree-optimization/80815
15254         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
15255         for merging runtime alias checks.  Handle negative DR_STEPs.
15257 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15259         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
15260         Move from ...
15261         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
15262         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
15263         out code pruning runtime alias checks.
15264         * tree-data-ref.c (prune_runtime_alias_test_list): New function
15265         factored out from above.
15266         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
15267         Move from ...
15268         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
15269         ... to here.
15270         (prune_runtime_alias_test_list): New decalaration.
15272 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15274         * tree-vect-data-refs.c (compare_tree): Rename and move ...
15275         * tree-data-ref.c (data_ref_compare_tree): ... to here.
15276         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
15277         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
15278         (operator==, comp_dr_with_seg_len_pair): Ditto.
15279         (vect_prune_runtime_alias_test_list): Ditto.
15281 2017-05-26  Martin Liska  <mliska@suse.cz>
15283         PR ipa/80663
15284         * params.def: Bound partial-inlining-entry-probability param.
15286 2017-05-26  Marek Polacek  <polacek@redhat.com>
15288         PR sanitizer/80875
15289         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
15290         can be negated.
15292 2017-05-26  Richard Biener  <rguenther@suse.de>
15294         PR tree-optimization/80842
15295         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
15296         value.
15298 2017-05-26  Richard Biener  <rguenther@suse.de>
15300         PR tree-optimization/80844
15301         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
15303 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
15305         * doc/md.texi (Machine Constraints): Update x86 family
15306         machine constraints section to match 'config/i386/constraints.md'.
15308 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
15310         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
15312 2017-05-25  Nathan Sidwell  <nathan@acm.org>
15314         * doc/invoke.texi (--enable-languages): Update documentation.
15316 2017-05-25  Martin Liska  <mliska@suse.cz>
15318         * dumpfile.c: Add TDF_FOLDING.
15319         * dumpfile.h (enum dump_kind): Likewise.
15320         * genmatch.c (dt_simplify::gen_1): Use it.
15322 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15324         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
15326 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15328         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
15329         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
15331 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15333         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
15334         * match.pd (X == C): Rewrite it here.
15335         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
15336         with_certain_nonzero_bits2): New predicates.
15337         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
15339 2017-05-24  Nathan Sidwell  <nathan@acm.org>
15341         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
15342         avoid warning.
15344         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
15345         warning.
15347 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
15349         * config/powerpcspe: New port.  Files are copied from the rs6000
15350         port, with "rs6000" in filenames replaced by "powerpcspe".
15352 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
15354         PR rtl-optimization/80754
15355         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
15357 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
15359         * config/sparc/sparc.md (length): Return the correct value for -mflat
15360         sibcalls to match output_sibcall.
15362 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
15364         PR bootstrap/80860
15365         PR bootstrap/80843
15366         * config/rs6000/rs6000.c (struct machine_function): Add new field
15367         n_components.
15368         (rs6000_get_separate_components): Init that field, use it.
15369         (rs6000_components_for_bb): Use the field.
15371 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15373         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
15375 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
15377         PR middle-end/80823
15378         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
15380 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15382         PR target/80725
15383         * config/s390/s390.c (s390_check_qrst_address): Check incoming
15384         address against address_operand predicate.
15385         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
15387 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
15389         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
15390         parameters passed indirectly.
15392 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
15394         * config/i386/i386.md (*movdi_internal): Remove SSE4
15395         alternative 18 (?r, *v).  Update insn attributes.
15396         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
15397         Update insn attributes.
15398         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
15399         Update insn attributes.
15400         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
15401         alternative 1 (r, v). Remove isa attribute.
15402         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
15403         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
15404         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
15406 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15408         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
15409         dg-line directive.
15411 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15413         * cgraphunit.c (symbol_table::process_new_functions): Update.
15414         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
15415         (inline_generate_summary): Rename to ...
15416         (ipa_fn_summary_generate): ... this one.
15417         (inline_read_summary): Rename to ...
15418         (ipa_fn_summary_read): ... this one.
15419         (inline_write_summary): Rename to ...
15420         (ipa_fn_summary_write): ... this one.
15421         (inline_free_summary): Rename to ...
15422         (ipa_free_fn_summary): ... this one.
15423         (pass_data_local_fn_summary, pass_local_fn_summary,
15424         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
15425         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
15426         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
15427         make_pass_ipa_fn_summary): New.
15428         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
15429         inline_write_summary, inline_free_summary): Remove.
15430         (ipa_free_fn_summary) : New.
15431         * ipa-inline.c (ipa_inline): Update.
15432         (pass_ipa_inline): Do not generate summaries.
15433         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
15434         Remove.
15435         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
15436         and add pass_ipa_fn_summary.
15437         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
15438         New.
15439         (make_pass_inline_parameters): Remove.
15441 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
15443         * omp-low.c (struct omp_context): Remove "default_kind" member.
15444         Adjust all users.
15446         * omp-offload.c (execute_oacc_device_lower): Remove the
15447         parallelism dimensions function attributes for unparallelized
15448         OpenACC kernels constructs.
15450 2017-05-23  Martin Liska  <mliska@suse.cz>
15452         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
15453         functions.
15454         (cgraph_edge::make_speculative): Likewise.
15455         (cgraph_edge::resolve_speculation): Likewise.
15456         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
15457         (cgraph_node::dump): Likewise.
15458         * cgraph.h: Likewise.
15459         * cgraphunit.c (analyze_functions): Likewise.
15460         (symbol_table::compile): Likewise.
15461         * ipa-cp.c (print_all_lattices): Likewise.
15462         (determine_versionability): Likewise.
15463         (initialize_node_lattices): Likewise.
15464         (ipcp_verify_propagated_values): Likewise.
15465         (estimate_local_effects): Likewise.
15466         (update_profiling_info): Likewise.
15467         (create_specialized_node): Likewise.
15468         (perhaps_add_new_callers): Likewise.
15469         (decide_about_value): Likewise.
15470         (decide_whether_version_node): Likewise.
15471         (identify_dead_nodes): Likewise.
15472         (ipcp_store_bits_results): Likewise.
15473         * ipa-devirt.c (dump_targets): Likewise.
15474         (ipa_devirt): Likewise.
15475         * ipa-icf.c (sem_item::dump): Likewise.
15476         (sem_function::equals): Likewise.
15477         (sem_variable::equals): Likewise.
15478         (sem_item_optimizer::read_section): Likewise.
15479         (sem_item_optimizer::execute): Likewise.
15480         (congruence_class::dump): Likewise.
15481         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
15482         (dump_inline_summary): Likewise.
15483         (estimate_node_size_and_time): Likewise.
15484         (inline_analyze_function): Likewise.
15485         * ipa-inline-transform.c (inline_call): Likewise.
15486         * ipa-inline.c (report_inline_failed_reason): Likewise.
15487         (want_early_inline_function_p): Likewise.
15488         (edge_badness): Likewise.
15489         (update_edge_key): Likewise.
15490         (inline_small_functions): Likewise.
15491         * ipa-profile.c (ipa_profile): Likewise.
15492         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
15493         (ipa_make_edge_direct_to_target): Likewise.
15494         (remove_described_reference): Likewise.
15495         (ipa_impossible_devirt_target): Likewise.
15496         (propagate_controlled_uses): Likewise.
15497         (ipa_print_node_params): Likewise.
15498         (ipcp_transform_function): Likewise.
15499         * ipa-pure-const.c (pure_const_read_summary): Likewise.
15500         (propagate_pure_const): Likewise.
15501         * ipa-reference.c (generate_summary): Likewise.
15502         (read_write_all_from_decl): Likewise.
15503         (propagate): Likewise.
15504         (ipa_reference_read_optimization_summary): Likewise.
15505         * ipa-utils.c (ipa_merge_profiles): Likewise.
15506         * ipa.c (walk_polymorphic_call_targets): Likewise.
15507         (symbol_table::remove_unreachable_nodes): Likewise.
15508         (ipa_single_use): Likewise.
15509         * passes.c (execute_todo): Likewise.
15510         * predict.c (drop_profile): Likewise.
15511         * symtab.c (symtab_node::get_dump_name): New function.
15512         (symtab_node::dump_name): Likewise.
15513         (symtab_node::dump_asm_name): Likewise.
15514         (symtab_node::dump_references): Likewise.
15515         (symtab_node::dump_referring): Likewise.
15516         (symtab_node::dump_base): Likewise.
15517         (symtab_node::debug_symtab): Likewise.
15518         * tree-sra.c (convert_callers_for_node): Likewise.
15519         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
15520         * value-prof.c (init_node_map): Likewise.
15522 2017-05-23  Martin Liska  <mliska@suse.cz>
15524         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
15525         and symtab_node::debug_symtab to symbol_table::debug.
15526         * cgraphunit.c (analyze_functions): Use the renamed function.
15527         (symbol_table::compile): Likewise.
15528         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
15529         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
15530         * passes.c (execute_todo): Likewise.
15531         * symtab.c (symbol_table::dump): New function.
15532         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
15534 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15536         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
15537         that nonconst implies exec.
15539 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15541         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
15542         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
15543         (inline_edge_summary_vec): Turn into ...
15544         (ipa_call_summaries): ... this one.
15545         (redirect_to_unreachable, edge_set_predicate,
15546         evaluate_properties_for_edge, inline_summary_alloc,
15547         reset_ipa_call_summary, reset_inline_summary,
15548         inline_summary_t::duplicate): Update.
15549         (inline_edge_duplication_hook): Turn to ...
15550         (ipa_call_summary_t::duplicate): ... this one.
15551         (inline_edge_removal_hook): Turn to ...
15552         (ipa_call_summary_t::remove): ... this one.
15553         (dump_inline_edge_summary): Turn to ...
15554         (dump_ipa_call_summary): ... this one.
15555         (estimate_function_body_sizes): Update.
15556         (inline_update_callee_summaries): Update.
15557         (remap_edge_change_prob): Update.
15558         (remap_edge_summaries): Update.
15559         (inline_merge_summary): Update.
15560         (do_estimate_edge_time): Update.
15561         (inline_generate_summary): Update.
15562         (inline_read_section): Update.
15563         (inline_read_summary): Update.
15564         (inline_free_summary): Update.
15565         * ipa-inline.c (can_inline_edge_p): Update.
15566         (compute_inlined_call_time): Update.
15567         (want_inline_small_function_p): Update.
15568         (edge_badness): Update.
15569         (early_inliner): Update.
15570         * ipa-inline.h (inline_edge_summary): Turn to ...
15571         (ipa_call_summary): ... this one.
15572         (ipa_call_summary_t): New class.
15573         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
15574         (ipa_call_summaries): New.
15575         (inline_edge_summary): Remove.
15576         (estimate_edge_growth): Update.
15577         * ipa-profile.c (ipa_propagate_frequency_1): Update.
15578         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
15579         * ipa-split.c (execute_split_functions): Update.
15580         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
15582 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15584         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
15585         attributes): Document rdrand effective target.
15587 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15589         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
15590         attributes): Sort alphabetically.
15592 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
15594         * config/avr/genmultilib.awk: Use gsub instead of gensub.
15596 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
15598         PR target/80718
15599         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
15600         V2DF/V2DI splat into two separate patterns, one that handles
15601         registers, and the other that only handles memory.  Drop support
15602         for splatting from a GPR on ISA 2.07 and then splitting the
15603         splat into direct move and splat.
15604         (vsx_splat_<mode>_reg): Likewise.
15605         (vsx_splat_<mode>_mem): Likewise.
15607 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
15609         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
15611 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
15613         PR middle-end/80809
15614         * omp-low.c (finish_taskreg_remap): New function.
15615         (finish_taskreg_scan): If unit size of ctx->record_type
15616         is non-constant, unshare the size expression and replace
15617         decls in it with possible outer var refs.
15619         PR middle-end/80809
15620         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
15621         GOVD_SHARED rather than GOVD_PRIVATE with it.
15622         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
15623         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
15625         PR middle-end/80853
15626         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
15627         as last argument to build_outer_var_ref for pointer bases of array
15628         section reductions.
15630 2017-05-19  Martin Sebor  <msebor@redhat.com>
15632         * print-tree.c (print_node): Print DECL_READ_P flag.
15634 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15636         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
15637         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
15638         * cgraph.c: Likewise.
15639         * cgraphunit.c: Likewise.
15640         * gengtype.c: Likewise.
15641         * ipa-cp.c: Likewise.
15642         * ipa-devirt.c: Likewise.
15643         * ipa-icf.c: Likewise.
15644         * ipa-predicate.c: Likewise.
15645         * ipa-profile.c: Likewise.
15646         * ipa-prop.c: Likewise.
15647         * ipa-split.c: Likewise.
15648         * ipa.c: Likewise.
15649         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
15650         edge_predicate_pool, dump_inline_hints,
15651         inline_summary::account_size_time, redirect_to_unreachable,
15652         edge_set_predicate, set_hint_predicate,
15653         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
15654         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
15655         inline_summary_t::remove, remap_hint_predicate_after_duplication,
15656         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
15657         ipa_call_summary_t::remove, initialize_growth_caches,
15658         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
15659         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
15660         mark_modified, unmodified_parm_1, unmodified_parm,
15661         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
15662         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
15663         compute_bb_predicates, will_be_nonconstant_expr_predicate,
15664         will_be_nonconstant_predicate, record_modified_bb_info,
15665         get_minimal_bb, record_modified, param_change_prob,
15666         phi_result_unknown_predicate, predicate_for_phi_result,
15667         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
15668         estimate_function_body_sizes, compute_inline_parameters,
15669         compute_inline_parameters_for_curren, pass_data_inline_parameters,
15670         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
15671         inline_update_callee_summaries, remap_edge_change_prob,
15672         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
15673         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
15674         inline_analyze_function, inline_summary_t::insert,
15675         inline_generate_summary, read_ipa_call_summary, inline_read_section,
15676         inline_read_summary, write_ipa_call_summary, inline_write_summary,
15677         inline_free_summary): Move to ipa-fnsummary.h
15678         (predicate_t): Remove.
15679         * ipa-fnsummary.c: New file.
15680         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
15681         (enum inline_hints_vals, inline_hints, agg_position_info,
15682         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
15683         inline_summaries, ipa_call_summary, ipa_call_summary_t,
15684         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
15685         dump_inline_summary, dump_inline_hints, inline_generate_summary,
15686         inline_read_summary, inline_write_summary, inline_free_summary,
15687         inline_analyze_function, initialize_inline_failed,
15688         inline_merge_summary, inline_update_overall_summary,
15689         compute_inline_parameters): Move to ipa-fnsummary.h
15690         * ipa-fnsummary.h: New file.
15691         * ipa-inline-transform.h: Include ipa-inline.h.
15692         * ipa-inline.c: LIkewise.
15694 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15696         * ipa-inline.c (edge_badness): Use inlined_time instead of
15697         inline_summaries->get.
15699 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15701         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
15703 2017-05-22  Nathan Sidwell  <nathan@acm.org>
15705         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
15706         (fdump-lang): Document 'raw' option.
15707         * dumpfile.h (TDI_tu): Delete.
15708         * dumpfile.c (dump_files): Remove translation-unit.
15709         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
15711 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
15713         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
15714         command option from $(AWK) call.
15715         * config/avr/genmultilib.awk: Simplify and rewrite so that it
15716         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
15717         [FORMAT]: Remove handling of variable.
15718         * config/avr/t-multilib: Regenerate.
15720 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15722         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
15723         self_time.
15724         (dump_inline_summary): Do not print self_time.
15725         (estimate_function_body_sizes): Do not set self_time.
15726         (compute_inline_parameters): Likewise.
15727         (inline_read_section, inline_write_summary): Do not stream self_time.
15728         * ipa-inline.h (inline_summary): Drop self_time.
15730 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15732         * ipa-inline-analysis.c (account_size_time): Rename to ...
15733         (inline_summary::account_size_time): ... this one.
15734         (reset_ipa_call_summary): Turn to ...
15735         (ipa_call_summary::reset): ... this one.
15736         (reset_inline_summary): Turn to ...
15737         (inline_summary::reset): ... this one.
15738         (inline_summary_t::remove): Update.
15739         (inline_summary_t::duplicate): Update.
15740         (ipa_call_summary_t::remove): Update.
15741         (dump_inline_summary): Update.
15742         (estimate_function_body_sizes): Update.
15743         (compute_inline_parameters): Update.
15744         (estimate_node_size_and_time): Update.
15745         (inline_merge_summary): Update.
15746         (inline_update_overall_summary): Update.
15747         (inline_read_section): Update.
15748         (inline_write_summary): Update.
15749         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
15750         add account_size_time and reset member functions.
15751         (ipa_call_summary): Add reset function.
15752         * ipa-predicate.h (predicate::operator &): Constify.
15754 2017-05-22  Richard Biener  <rguenther@suse.de>
15756         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
15758 2017-05-19  Jason Merrill  <jason@redhat.com>
15760         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
15762 2017-05-19  Marek Polacek  <polacek@redhat.com>
15764         PR sanitizer/80800
15765         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
15766         TYPE_OVERFLOW_WRAPS checks.
15768 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
15770         * tree-core.h (enum omp_clause_default_kind): Add
15771         "OMP_CLAUSE_DEFAULT_PRESENT".
15772         * tree-pretty-print.c (dump_omp_clause): Handle it.
15773         * gimplify.c (enum gimplify_omp_var_data): Add
15774         "GOVD_MAP_FORCE_PRESENT".
15775         (gimplify_adjust_omp_clauses_1): Map it to
15776         "GOMP_MAP_FORCE_PRESENT".
15777         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
15779         * gimplify.c (oacc_default_clause): Clarify.
15781 2017-05-19  Nathan Sidwell  <nathan@acm.org>
15783         LANG_HOOK_REGISTER_DUMPS
15784         * toplev.c (general_init): Call register dump lang hook.
15785         * doc/invoke.texi: Document -fdump-lang option family.
15786         * dumpfile.c (dump_files): Remove class dump here.
15787         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
15788         * dumpfile.h (tree_dump_index): Remove TDI_class.
15789         * langhooks-def.h (lhd_register_dumps): Declare.
15790         (LANG_HOOKS_REGISTER_DUMPS): Define.
15791         (LANG_HOOKS_INITIALIZER): Add it.
15792         * langhooks.c (lhd_register_dumps): Define.
15793         * langhooks.h (struct lang_hooks): Add register_dumps.
15795 2017-05-19  Nathan Sidwell  <nathan@acm.org>
15797         * context.h (context::set_passes): New.
15798         * context.c (context::context): Do not create pass manager.
15799         * toplev.c (general_init): Create pass manager here.
15801 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
15803         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
15804         use this splitter if two add or or instructions would also work for
15805         the constant we want to generate.
15807 2017-05-19  Richard Biener  <rguenther@suse.de>
15809         PR build/80821
15810         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
15811         predicate evaluation.
15813 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15815         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
15816         add ctor.
15817         * ipa-inline.c (want_inline_small_function_p): Do not cast to
15818         unsigned.
15820 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15822         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
15823         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
15824         (inline_edge_summary_vec): Turn into ...
15825         (ipa_call_summaries): ... this one.
15826         (redirect_to_unreachable, edge_set_predicate,
15827         evaluate_properties_for_edge, inline_summary_alloc,
15828         reset_ipa_call_summary, reset_inline_summary,
15829         inline_summary_t::duplicate): Update.
15830         (inline_edge_duplication_hook): Turn to ...
15831         (ipa_call_summary_t::duplicate): ... this one.
15832         (inline_edge_removal_hook): Turn to ...
15833         (ipa_call_summary_t::remove): ... this one.
15834         (dump_inline_edge_summary): Turn to ...
15835         (dump_ipa_call_summary): ... this one.
15836         (estimate_function_body_sizes): Update.
15837         (inline_update_callee_summaries): Update.
15838         (remap_edge_change_prob): Update.
15839         (remap_edge_summaries): Update.
15840         (inline_merge_summary): Update.
15841         (do_estimate_edge_time): Update.
15842         (inline_generate_summary): Update.
15843         (inline_read_section): Update.
15844         (inline_read_summary): Update.
15845         (inline_free_summary): Update.
15846         * ipa-inline.c (can_inline_edge_p): Update.
15847         (compute_inlined_call_time): Update.
15848         (want_inline_small_function_p): Update.
15849         (edge_badness): Update.
15850         (early_inliner): Update.
15851         * ipa-inline.h (inline_edge_summary): Turn to ...
15852         (ipa_call_summary): ... this one.
15853         (ipa_call_summary_t): New class.
15854         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
15855         (ipa_call_summaries): New.
15856         (inline_edge_summary): Remove.
15857         (estimate_edge_growth): Update.
15858         * ipa-profile.c (ipa_propagate_frequency_1): Update.
15859         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
15860         * ipa-split.c (execute_split_functions): Update.
15861         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
15863 2017-05-19  Richard Biener  <rguenther@suse.de>
15865         PR middle-end/80764
15866         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
15868 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
15870         * config/rs6000/rs6000.c (struct machine_function): Add field
15871         fpr_is_wrapped_separately.
15872         (rs6000_get_separate_components): Use 64 components.  Handle the
15873         new FPR components.
15874         (rs6000_components_for_bb): Handle the FPR components.
15875         (rs6000_emit_prologue_components): Handle the FPR components.
15876         (rs6000_emit_epilogue_components): Handle the FPR components.
15877         (rs6000_set_handled_components): Handle the FPR components.
15878         (rs6000_emit_prologue): Don't output prologue code for those FPRs
15879         that are already separately shrink-wrapped.
15880         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
15881         that are already separately shrink-wrapped.
15883 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
15885         PR target/80510
15886         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
15887         New predicate.
15889         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
15890         (define_peephole2 for Altivec d-form load): Add peepholes to catch
15891         cases where the register allocator uses a move and an offsettable
15892         memory operation to/from a FPR register on ISA 2.06/2.07.
15893         (define_peephole2 for Altivec d-form store): Likewise.
15895 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
15897         PR target/80799
15898         * config/i386/mmx.md (*mov<mode>_internal): Enable
15899         alternatives 11, 12, 13 and 14 also for 32bit targets.
15900         Remove alternatives 15, 16, 17 and 18.
15901         * config/i386/sse.md (vec_concatv2di): Change
15902         alternative (!x, *y) to (x, ?!*Yn).
15904 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
15906         * dumpfile.h (enum dump_kind): Remove stray comma.
15908 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15910         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
15911         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
15912         predicate::num_conditions
15913         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
15914         (CHANGED): turn into predicate::changed.
15915         (agg_position_info): Move to ipa-predicate.h
15916         (add_condition, predicate::add_clause, predicate::operator &=,
15917         predicate::or_with, predicate::evaluate, predicate::probability,
15918         dump_condition, dump_clause, predicate::dump,
15919         predicate::remap_after_duplication, predicate::remap_after_inlining,
15920         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
15921         (evaluate_conditions_for_known_args): Update.
15922         (set_cond_stmt_execution_predicate): Update.
15923         * ipa-inline.h: Include ipa-predicate.h
15924         (condition, inline_param_summary, conditions, agg_position_info,
15925         predicate): Move to ipa-predicate.h
15926         * ipa-predicate.c: New file.
15927         * ipa-predicate.h: New file.
15929 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
15931         * final.c (leaf_function_p): Check we are not in a sequence.
15933 2017-05-18  Martin Liska  <mliska@suse.cz>
15935         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
15936         * dumpfile.c (dump_register): Use new enum dump_kind.
15937         (get_dump_file_name): Likewise.
15938         (dump_enable_all): Likewise.
15939         (dump_switch_p_1): Likewise.
15940         (enable_rtl_dump_file): Remove usage of TDF_RTL.
15941         * dumpfile.h (enum dump_kind): New enum type.
15942         (struct dump_file_info): Create constructor and
15943         format fields and comments.
15944         * passes.c (pass_manager::register_one_dump_file):
15945         Use num dump_kind.
15946         * statistics.c (statistics_early_init): Likewise.
15947         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
15948         TDF_TREE with TDF_SLIM.
15949         (gather_memory_references_ref): Likewise.
15951 2017-05-18  Martin Liska  <mliska@suse.cz>
15953         * vec.h (struct vnull): Use it.
15955 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15957         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
15958         (true_predicate, false_predicate, true_predicate_p,
15959         false_predicate_p): Remove.
15960         (single_cond_predicate, not_inlined_predicate): Turn to member function
15961         in ipa-inline.h
15962         (add_condition): Update.
15963         (add_clause): Turn to...
15964         (predicate::add_clause): ... this one; update; allow passing NULL
15965         as parameter.
15966         (and_predicates): Turn to ...
15967         (predicate::operator &=): ... this one.
15968         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
15969         (or_predicates): Turn to ...
15970         (predicate::or_with): ... this one.
15971         (evaluate_predicate): Turn to ...
15972         (predicate::evaluate): ... this one.
15973         (predicate_probability): Turn to ...
15974         (predicate::probability): ... this one.
15975         (dump_condition): Update.
15976         (dump_predicate): Turn to ...
15977         (predicate::dump): ... this one.
15978         (account_size_time): Update.
15979         (edge_set_predicate): Update.
15980         (set_hint_predicate): UPdate.
15981         (evaluate_conditions_for_known_args): Update.
15982         (evaluate_properties_for_edge): Update.
15983         (remap_predicate_after_duplication): Turn to...
15984         (predicate::remap_after_duplication): ... this one.
15985         (remap_hint_predicate_after_duplication): Update.
15986         (inline_summary_t::duplicate): UPdate.
15987         (dump_inline_edge_summary): Update.
15988         (dump_inline_summary): Update.
15989         (set_cond_stmt_execution_predicate): Update.
15990         (set_switch_stmt_execution_predicate): Update.
15991         (compute_bb_predicates): Update.
15992         (will_be_nonconstant_expr_predicate): Update.
15993         (will_be_nonconstant_predicate): Update.
15994         (phi_result_unknown_predicate): Update.
15995         (predicate_for_phi_result): Update.
15996         (array_index_predicate): Update.
15997         (estimate_function_body_sizes): Update.
15998         (estimate_node_size_and_time): Update.
15999         (estimate_ipcp_clone_size_and_time): Update.
16000         (remap_predicate): Rename to ...
16001         (predicate::remap_after_inlining): ... this one.
16002         (remap_hint_predicate): Update.
16003         (inline_merge_summary): Update.
16004         (inline_update_overall_summary): Update.
16005         (estimate_size_after_inlining): Update.
16006         (read_predicate): Rename to ...
16007         (predicate::stream_in): ... this one.
16008         (read_inline_edge_summary): Update.
16009         (write_predicate): Rename to ...
16010         (predicate::stream_out): ... this one.
16011         (write_inline_edge_summary): Update.
16012         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
16013         (clause_t): Turn to uint32_t
16014         (predicate): Turn to class; implement constructor and operators
16015         ==, !=, &
16016         (size_time_entry): Update.
16017         (inline_summary): Update.
16018         (inline_edge_summary): Update.
16020 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
16022         * fold-const.c (fold_binary_loc): Move transformation...
16023         * match.pd (C - X CMP X): ... here.
16025 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
16027         * config/sparc/sparc.c (sparc_option_override): Set function
16028         alignment for -mcpu=niagara7 to 64 to match the I$ line.
16029         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
16030         latency to 1.
16031         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
16032         latency to 2.
16033         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
16035 2017-05-18  Marek Polacek  <polacek@redhat.com>
16037         PR sanitizer/80797
16038         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
16039         (pass_ubsan::execute): Call gimple_assign_single_p instead of
16040         gimple_assign_load_p.
16042 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
16044         PR middle-end/80692
16045         * real.c (do_compare): Give decimal_do_compare preference over
16046         comparing just the signs.
16048 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
16050         * doc/md.texi (Canonicalization of Instructions): Describe the
16051         canonical form of instructions that inherently set a condition
16052         code register.
16054 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
16056         PR middle-end/80775
16057         * tree-cfg.c: Move deletion of unreachable case statements to after
16058         the merging of consecutive case labels.
16060 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16062         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
16063         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
16064         restoring of callee-saved registers.
16066 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
16068         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
16069         * config/visium/visium.c (single_set_and_flags): Likewise.
16070         * config/visium/visium.md (Substitutions): Likewise.
16072 2017-05-17  Martin Liska  <mliska@suse.cz>
16074         * cfg.c: Introduce dump_flags_t type and
16075         use it instead of int type.
16076         * cfg.h: Likewise.
16077         * cfghooks.c: Likewise.
16078         * cfghooks.h (struct cfg_hooks): Likewise.
16079         * cfgrtl.c: Likewise.
16080         * cfgrtl.h: Likewise.
16081         * cgraph.c (cgraph_node::get_body): Likewise.
16082         * coretypes.h: Likewise.
16083         * domwalk.c: Likewise.
16084         * domwalk.h: Likewise.
16085         * dumpfile.c (struct dump_option_value_info): Likewise.
16086         (dump_enable_all): Likewise.
16087         (dump_switch_p_1): Likewise.
16088         (opt_info_switch_p): Likewise.
16089         * dumpfile.h (enum tree_dump_index): Likewise.
16090         (struct dump_file_info): Likewise.
16091         * genemit.c: Likewise.
16092         * generic-match-head.c: Likewise.
16093         * gengtype.c (open_base_files): Likewise.
16094         * gimple-pretty-print.c: Likewise.
16095         * gimple-pretty-print.h: Likewise.
16096         * graph.c (print_graph_cfg): Likewise.
16097         * graphite-scop-detection.c (dot_all_sese): Likewise.
16098         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
16099         * loop-unroll.c (report_unroll): Likewise.
16100         * passes.c (pass_manager::register_one_dump_file): Likewise.
16101         * print-tree.c: Likewise.
16102         * statistics.c: Likewise.
16103         * tree-cfg.c: Likewise.
16104         * tree-cfg.h: Likewise.
16105         * tree-dfa.c: Likewise.
16106         * tree-dfa.h: Likewise.
16107         * tree-dump.c (dump_function): Likewise.
16108         * tree-dump.h (struct dump_info): Likewise.
16109         * tree-pretty-print.c: Likewise.
16110         * tree-pretty-print.h: Likewise.
16111         * tree-ssa-live.c: Likewise.
16112         * tree-ssa-live.h: Likewise.
16113         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
16114         * tree-vect-loop.c: Likewise.
16115         * tree-vect-slp.c: Likewise.
16117 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
16118             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16120         PR tree-optimization/80457
16121         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
16122         of all arguments to a statement as scalar_to_vec operations.
16123         (vectorizable_call): Adjust call to vect_model_simple_cost for
16124         new parameter.
16125         (vectorizable_conversion): Likewise.
16126         (vectorizable_assignment): Likewise.
16127         (vectorizable_shift): Likewise.
16128         (vectorizable_operation): Likewise.
16129         (vectorizable_comparison): Likewise.
16130         (vect_is_simple_cond): Record the def types for operands.
16131         (vectorizable_condition): Likewise, call vect_model_simple_cost.
16132         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
16133         for statement argument count.
16135 2017-05-16  Carl Love  <cel@us.ibm.com>
16137         * config/rs6000/rs6000-c: Add support for built-in functions
16138         vector unsigned long long vec_bperm (vector unsigned long long,
16139                                              vector unsigned char)
16140         vector signed long long vec_mule (vector signed int,
16141                                           vector signed int)
16142         vector unsigned long long vec_mule (vector unsigned int,
16143                                             vector unsigned int)
16144         vector signed long long vec_mulo (vector signed int,
16145                                           vector signed int)
16146         vector unsigned long long vec_mulo (vector unsigned int,
16147                                             vector unsigned int)
16148         vector signed char vec_sldw (vector signed char,
16149                                      vector signed char,
16150                                      const int)
16151         vector unsigned char vec_sldw (vector unsigned char,
16152                                        vector unsigned char,
16153                                        const int)
16154         vector signed short vec_sldw (vector signed short,
16155                                       vector signed short,
16156                                       const int)
16157         vector unsigned short vec_sldw (vector unsigned short,
16158                                         vector unsigned short,
16159                                         const int)
16160         vector signed int vec_sldw (vector signed int,
16161                                     vector signed int,
16162                                     const int)
16163         vector unsigned int vec_sldw (vector unsigned int,
16164                                       vector unsigned int,
16165                                       const int)
16166         vector signed long long vec_sldw (vector signed long long,
16167                                           vector signed long long,
16168                                           const int)
16169         vector unsigned long long vec_sldw (vector unsigned long long,
16170                                             vector unsigned long long,
16171                                             const int)
16172         * config/rs6000/rs6000-c: Add support for built-in functions
16173         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
16174         * config/rs6000/altivec.h: Add defintion for vec_sldw.
16175         * doc/extend.texi: Update the built-in documentation for the
16176         new built-in functions.
16178 2017-05-16  Marek Polacek  <polacek@redhat.com>
16180         PR sanitizer/80536
16181         PR sanitizer/80386
16182         * tree.c (save_expr): Don't fold the expression.
16184 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
16186         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
16187         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
16188         and (?*y,m).  Update insn attributes.
16190 2017-05-16  Martin Liska  <mliska@suse.cz>
16192         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
16193         flags argument of print_gimple_stmt, print_gimple_expr,
16194         print_generic_stmt and print_generic_expr.
16195         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
16196         * coretypes.h: Likewise.
16197         * except.c (dump_eh_tree): Likewise.
16198         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
16199         * gimple-pretty-print.h: Likewise.
16200         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
16201         (backprop::push_to_worklist): Likewise.
16202         (backprop::pop_from_worklist): Likewise.
16203         (backprop::process_use): Likewise.
16204         (backprop::intersect_uses): Likewise.
16205         (note_replacement): Likewise.
16206         * gimple-ssa-store-merging.c
16207         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
16208         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
16209         (pass_store_merging::execute): Likewise.
16210         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
16211         (ssa_base_cand_dump_callback): Likewise.
16212         (dump_incr_vec): Likewise.
16213         (replace_refs): Likewise.
16214         (replace_mult_candidate): Likewise.
16215         (create_add_on_incoming_edge): Likewise.
16216         (create_phi_basis): Likewise.
16217         (insert_initializers): Likewise.
16218         (all_phi_incrs_profitable): Likewise.
16219         (introduce_cast_before_cand): Likewise.
16220         (replace_one_candidate): Likewise.
16221         * gimplify.c (gimplify_expr): Likewise.
16222         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
16223         (set_rename): Likewise.
16224         (rename_uses): Likewise.
16225         (copy_loop_phi_nodes): Likewise.
16226         (add_close_phis_to_merge_points): Likewise.
16227         (copy_loop_close_phi_args): Likewise.
16228         (copy_cond_phi_args): Likewise.
16229         (graphite_copy_stmts_from_block): Likewise.
16230         (translate_pending_phi_nodes): Likewise.
16231         * graphite-poly.c (print_pdr): Likewise.
16232         (dump_gbb_cases): Likewise.
16233         (dump_gbb_conditions): Likewise.
16234         (print_scop_params): Likewise.
16235         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
16236         (build_cross_bb_scalars_use): Likewise.
16237         (gather_bbs::before_dom_children): Likewise.
16238         * hsa-dump.c (dump_hsa_immed): Likewise.
16239         * ipa-cp.c (print_ipcp_constant_value): Likewise.
16240         (get_replacement_map): Likewise.
16241         * ipa-inline-analysis.c (dump_condition): Likewise.
16242         (estimate_function_body_sizes): Likewise.
16243         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
16244         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
16245         * ipa-prop.c (ipa_dump_param): Likewise.
16246         (ipa_print_node_jump_functions_for_edge): Likewise.
16247         (ipa_modify_call_arguments): Likewise.
16248         (ipa_modify_expr): Likewise.
16249         (ipa_dump_param_adjustments): Likewise.
16250         (ipa_dump_agg_replacement_values): Likewise.
16251         (ipcp_modif_dom_walker::before_dom_children): Likewise.
16252         * ipa-pure-const.c (check_stmt): Likewise.
16253         (pass_nothrow::execute): Likewise.
16254         * ipa-split.c (execute_split_functions): Likewise.
16255         * omp-offload.c (dump_oacc_loop_part): Likewise.
16256         (dump_oacc_loop): Likewise.
16257         * trans-mem.c (tm_log_emit): Likewise.
16258         (tm_memopt_accumulate_memops): Likewise.
16259         (dump_tm_memopt_set): Likewise.
16260         (dump_tm_memopt_transform): Likewise.
16261         * tree-cfg.c (gimple_verify_flow_info): Likewise.
16262         (print_loop): Likewise.
16263         * tree-chkp-opt.c (chkp_print_addr): Likewise.
16264         (chkp_gather_checks_info): Likewise.
16265         (chkp_get_check_result): Likewise.
16266         (chkp_remove_check_if_pass): Likewise.
16267         (chkp_use_outer_bounds_if_possible): Likewise.
16268         (chkp_reduce_bounds_lifetime): Likewise.
16269         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
16270         (chkp_mark_completed_bounds): Likewise.
16271         (chkp_register_incomplete_bounds): Likewise.
16272         (chkp_mark_invalid_bounds): Likewise.
16273         (chkp_maybe_copy_and_register_bounds): Likewise.
16274         (chkp_build_returned_bound): Likewise.
16275         (chkp_get_bound_for_parm): Likewise.
16276         (chkp_build_bndldx): Likewise.
16277         (chkp_get_bounds_by_definition): Likewise.
16278         (chkp_generate_extern_var_bounds): Likewise.
16279         (chkp_get_bounds_for_decl_addr): Likewise.
16280         * tree-chrec.c (chrec_apply): Likewise.
16281         * tree-data-ref.c (dump_data_reference): Likewise.
16282         (dump_subscript): Likewise.
16283         (dump_data_dependence_relation): Likewise.
16284         (analyze_overlapping_iterations): Likewise.
16285         * tree-inline.c (expand_call_inline): Likewise.
16286         (tree_function_versioning): Likewise.
16287         * tree-into-ssa.c (dump_defs_stack): Likewise.
16288         (dump_currdefs): Likewise.
16289         (dump_names_replaced_by): Likewise.
16290         (dump_update_ssa): Likewise.
16291         (update_ssa): Likewise.
16292         * tree-object-size.c (pass_object_sizes::execute): Likewise.
16293         * tree-parloops.c (build_new_reduction): Likewise.
16294         (try_create_reduction_list): Likewise.
16295         (ref_conflicts_with_region): Likewise.
16296         (oacc_entry_exit_ok_1): Likewise.
16297         (oacc_entry_exit_single_gang): Likewise.
16298         * tree-pretty-print.h: Likewise.
16299         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
16300         (get_scalar_evolution): Likewise.
16301         (add_to_evolution): Likewise.
16302         (get_loop_exit_condition): Likewise.
16303         (analyze_evolution_in_loop): Likewise.
16304         (analyze_initial_condition): Likewise.
16305         (analyze_scalar_evolution): Likewise.
16306         (instantiate_scev): Likewise.
16307         (number_of_latch_executions): Likewise.
16308         (gather_chrec_stats): Likewise.
16309         (final_value_replacement_loop): Likewise.
16310         (scev_const_prop): Likewise.
16311         * tree-sra.c (dump_access): Likewise.
16312         (disqualify_candidate): Likewise.
16313         (create_access): Likewise.
16314         (reject): Likewise.
16315         (maybe_add_sra_candidate): Likewise.
16316         (create_access_replacement): Likewise.
16317         (analyze_access_subtree): Likewise.
16318         (analyze_all_variable_accesses): Likewise.
16319         (sra_modify_assign): Likewise.
16320         (initialize_constant_pool_replacements): Likewise.
16321         (find_param_candidates): Likewise.
16322         (decide_one_param_reduction): Likewise.
16323         (replace_removed_params_ssa_names): Likewise.
16324         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
16325         * tree-ssa-copy.c (dump_copy_of): Likewise.
16326         (copy_prop_visit_cond_stmt): Likewise.
16327         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
16328         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
16329         (record_equivalences_from_stmt): Likewise.
16330         * tree-ssa-dse.c (compute_trims): Likewise.
16331         (delete_dead_call): Likewise.
16332         (delete_dead_assignment): Likewise.
16333         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
16334         (forward_propagate_into_cond): Likewise.
16335         (pass_forwprop::execute): Likewise.
16336         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
16337         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
16338         Likewise.
16339         (move_computations_worker): Likewise.
16340         (execute_sm): Likewise.
16341         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
16342         (remove_exits_and_undefined_stmts): Likewise.
16343         (remove_redundant_iv_tests): Likewise.
16344         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
16345         (adjust_iv_update_pos): Likewise.
16346         * tree-ssa-math-opts.c (bswap_replace): Likewise.
16347         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
16348         (value_replacement): Likewise.
16349         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
16350         * tree-ssa-pre.c (print_pre_expr): Likewise.
16351         (get_representative_for): Likewise.
16352         (create_expression_by_pieces): Likewise.
16353         (insert_into_preds_of_block): Likewise.
16354         (eliminate_insert): Likewise.
16355         (eliminate_dom_walker::before_dom_children): Likewise.
16356         (eliminate): Likewise.
16357         (remove_dead_inserted_code): Likewise.
16358         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
16359         * tree-ssa-reassoc.c (get_rank): Likewise.
16360         (eliminate_duplicate_pair): Likewise.
16361         (eliminate_plus_minus_pair): Likewise.
16362         (eliminate_not_pairs): Likewise.
16363         (undistribute_ops_list): Likewise.
16364         (eliminate_redundant_comparison): Likewise.
16365         (update_range_test): Likewise.
16366         (optimize_range_tests_var_bound): Likewise.
16367         (optimize_vec_cond_expr): Likewise.
16368         (rewrite_expr_tree): Likewise.
16369         (rewrite_expr_tree_parallel): Likewise.
16370         (linearize_expr): Likewise.
16371         (break_up_subtract): Likewise.
16372         (linearize_expr_tree): Likewise.
16373         (attempt_builtin_powi): Likewise.
16374         (attempt_builtin_copysign): Likewise.
16375         (transform_stmt_to_copy): Likewise.
16376         (transform_stmt_to_multiply): Likewise.
16377         (dump_ops_vector): Likewise.
16378         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
16379         (print_scc): Likewise.
16380         (set_ssa_val_to): Likewise.
16381         (visit_reference_op_store): Likewise.
16382         (visit_use): Likewise.
16383         (sccvn_dom_walker::before_dom_children): Likewise.
16384         (run_scc_vn): Likewise.
16385         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
16386         Likewise.
16387         (expr_hash_elt::print): Likewise.
16388         (const_and_copies::pop_to_marker): Likewise.
16389         (const_and_copies::record_const_or_copy_raw): Likewise.
16390         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
16391         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
16392         (dump_predicates): Likewise.
16393         (find_uninit_use): Likewise.
16394         (warn_uninitialized_phi): Likewise.
16395         (pass_late_warn_uninitialized::execute): Likewise.
16396         * tree-ssa.c (verify_vssa): Likewise.
16397         (verify_ssa): Likewise.
16398         (maybe_optimize_var): Likewise.
16399         * tree-vrp.c (dump_value_range): Likewise.
16400         (dump_all_value_ranges): Likewise.
16401         (dump_asserts_for): Likewise.
16402         (register_edge_assert_for_2): Likewise.
16403         (vrp_visit_cond_stmt): Likewise.
16404         (vrp_visit_switch_stmt): Likewise.
16405         (vrp_visit_stmt): Likewise.
16406         (vrp_visit_phi_node): Likewise.
16407         (simplify_cond_using_ranges_1): Likewise.
16408         (fold_predicate_in): Likewise.
16409         (evrp_dom_walker::before_dom_children): Likewise.
16410         (evrp_dom_walker::push_value_range): Likewise.
16411         (evrp_dom_walker::pop_value_range): Likewise.
16412         (execute_early_vrp): Likewise.
16414 2017-05-16  Richard Biener  <rguenther@suse.de>
16416         * dwarf2out.c (loc_list_from_tree_1): Do not create
16417         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
16419 2017-05-16  Richard Biener  <rguenther@suse.de>
16421         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
16422         just generated.
16423         (note_variable_value_in_expr): If we resolved the decl ref
16424         do not push to the stack.
16426 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
16428         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
16429         operations in fast-math mode.
16430         (vaddq_f16): Likewise.
16431         (vmul_f16): Likewise.
16432         (vmulq_f16): Likewise.
16433         (vsub_f16): Likewise.
16434         (vsubq_f16): Likewise.
16435         * config/arm/neon.md (add<mode>3): New.
16436         (sub<mode>3): New.
16437         (fma:<VH:mode>3): New.  Also remove outdated comment.
16438         (mul<mode>3): New.
16440 2017-05-16  Martin Liska  <mliska@suse.cz>
16442         PR ipa/79849.
16443         PR ipa/79850.
16444         * ipa-devirt.c (warn_types_mismatch): Fix typo.
16445         (odr_types_equivalent_p): Likewise.
16447 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
16449         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
16451 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
16453         PR target/80425
16454         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
16455         non-interunit SSE move alternatives with '?'.
16456         (zero-extendsidi peephole2): New peephole to skip intermediate
16457         general register in SSE zero-extend sequence.
16459 2017-05-15  Jeff Law  <law@redhat.com>
16461         * reorg.c (relax_delay_slots): Create a new variable to hold
16462         the temporary target rather than clobbering TARGET_LABEL.
16464         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
16465         missing argument to extract_bit_field call.
16466         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
16468 2017-05-15  Martin Liska  <mliska@suse.cz>
16470         PR driver/31468
16471         * gcc.c (process_command): Do not allow empty argument of -o option.
16473 2017-05-15  Renlin Li  <renlin.li@arm.com>
16475         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
16476         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
16477         * config/aarch64/constraints.md (Usf): Add long call check.
16478         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
16479         (call_value): Likewise.
16480         (sibcall): Likewise.
16481         (sibcall_value): Likewise.
16482         (call_insn): New.
16483         (call_value_insn): New.
16484         (sibcall_insn): Update rtx pattern.
16485         (sibcall_value_insn): Likewise.
16486         (call_internal): Remove.
16487         (call_value_internal): Likewise.
16488         (sibcall_internal): Likewise.
16489         (sibcall_value_internal): Likewise.
16490         (call_reg): Likewise.
16491         (call_symbol): Likewise.
16492         (call_value_reg): Likewise.
16493         (call_value_symbol): Likewise.
16495 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
16497         PR target/80600
16498         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
16500 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
16502         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
16503         compatible with CCGOCmode and with CCZmode.
16505 2017-05-14  Martin Sebor  <msebor@redhat.com>
16507         PR middle-end/77671
16508         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
16509         (gimple_fold_builtin_snprintf): Same.
16510         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
16511         (gimple_fold_builtin_snprintf): Same.
16512         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
16513         of character types.
16514         (is_call_safe): New function.
16515         (try_substitute_return_value): Call it.
16516         (try_simplify_call): New function.
16517         (pass_sprintf_length::handle_gimple_call): Call it.
16519 2017-05-14  Martin Sebor  <msebor@redhat.com>
16521         PR middle-end/80669
16522         * builtins.c (expand_builtin_stpncpy): Simplify.
16524 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
16526         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
16527         * config/i386/i386.h
16528         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
16529         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
16530         (struct machine_function): Add new members call_ms2sysv,
16531         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
16532         (struct machine_frame_state): New fields sp_realigned and
16533         sp_realigned_offset.
16534         * config/i386/i386.c
16535         (enum xlogue_stub): New enum.
16536         (enum xlogue_stub_sets): New enum.
16537         (class xlogue_layout): New class.
16538         (struct ix86_frame): New fields stack_realign_allocate_offset,
16539         stack_realign_offset and outlined_save_offset.  Modify comments to
16540         detail stack layout when using out-of-line stubs.
16541         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
16542         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
16543         -mcall-ms2sysv-xlogues.
16544         (stub_managed_regs): New static variable.
16545         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
16546         registers managed by out-of-line stub.
16547         (disable_call_ms2sysv_xlogues): New function.
16548         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
16549         m->call_ms2sysv when appropriate and compute frame layout for
16550         out-of-line stubs.
16551         (sp_valid_at, fp_valid_at): New inline functions.
16552         (choose_basereg): New function.
16553         (choose_baseaddr): Add align parameter, use choose_basereg and modify
16554         all callers.
16555         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
16556         Use align parameter of choose_baseaddr to generated aligned SSE movs
16557         when possible.
16558         (pro_epilogue_adjust_stack): Modify to track
16559         machine_frame_state::sp_realigned.
16560         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
16561         (ix86_nsaved_sseregs): Likewise.
16562         (ix86_emit_save_regs): Likewise.
16563         (ix86_emit_save_regs_using_mov): Likewise.
16564         (ix86_emit_save_sse_regs_using_mov): Likewise.
16565         (get_scratch_register_on_entry): Likewise.
16566         (gen_frame_set): New function.
16567         (gen_frame_load): Likewise.
16568         (gen_frame_store): Likewise.
16569         (emit_outlined_ms2sysv_save): Likewise.
16570         (emit_outlined_ms2sysv_restore): Likewise.
16571         (ix86_expand_prologue): Modify stack re-alignment code and call
16572         emit_outlined_ms2sysv_save when appropriate.
16573         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
16574         parameter rtx_insn *insn, which allows the function to be used to only
16575         generate the notes.
16576         (ix86_expand_epilogue): Modify validity checks of frame and stack
16577         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
16578         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
16579         * config/i386/predicates.md
16580         (save_multiple): New predicate.
16581         (restore_multiple): Likewise.
16582         * config/i386/sse.md
16583         (save_multiple<mode>): New pattern.
16584         (save_multiple_realign<mode>): Likewise.
16585         (restore_multiple<mode>): Likewise.
16586         (restore_multiple_and_return<mode>): Likewise.
16587         (restore_multiple_leave_return<mode>): Likewise.
16588         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
16590 2017-05-14  Julia Koval  <julia.koval@intel.com>
16592         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
16593         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
16594         (__builtin_ia32_xsetbv): New builtins.
16595         * config/i386/i386.c (ix86_expand_special_args_builtin):
16596         Process new types.
16597         (ix86_expand_builtin): Special expand for new intrinsics.
16598         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
16599         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
16600         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
16602 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16604         * cfganal.c (inverted_post_order_compute): Change argument type
16605         to vec *.
16606         * cfganal.h (inverted_post_order_compute): Adjust prototype.
16607         * df-core.c (rest_of_handle_df_initialize): Adjust.
16608         (rest_of_handle_df_finish): Likewise.
16609         (df_analyze_1): Likewise.
16610         (df_analyze): Likewise.
16611         (loop_inverted_post_order_compute): Change argument to be a vec *.
16612         (df_analyze_loop): Adjust.
16613         (df_get_n_blocks): Likewise.
16614         (df_get_postorder): Likewise.
16615         * df.h (struct df_d): Change field to be a vec.
16616         * lcm.c (compute_laterin): Adjust.
16617         (compute_available): Likewise.
16618         * lra-lives.c (lra_create_live_ranges_1): Likewise.
16619         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16620         * tree-ssa-pre.c (compute_antic): Likewise.
16622 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16624         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
16625         (depth_first_search::depth_first_search): Change structure init
16626         function to this constructor.
16627         (depth_first_search::add_bb): Rename function to this member.
16628         (depth_first_search::execute): Likewise.
16629         (flow_dfs_compute_reverse_finish): Adjust.
16631 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16633         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
16634         (longest_simple_path): Likewise.
16635         * shrink-wrap.c (spread_components): Likewise.
16636         (disqualify_problematic_components): Likewise.
16637         (emit_common_heads_for_components): Likewise.
16638         (emit_common_tails_for_components): Likewise.
16639         (insert_prologue_epilogue_for_components): Likewise.
16641 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16643         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
16644         auto_sbitmap.
16646 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16648         * df-core.c (df_set_blocks): Start using auto_bitmap.
16649         (df_compact_blocks): Likewise.
16650         * df-problems.c (df_rd_confluence_n): Likewise.
16651         * df-scan.c (df_insn_rescan_all): Likewise.
16652         (df_process_deferred_rescans): Likewise.
16653         (df_update_entry_block_defs): Likewise.
16654         (df_update_exit_block_uses): Likewise.
16655         (df_entry_block_bitmap_verify): Likewise.
16656         (df_exit_block_bitmap_verify): Likewise.
16657         (df_scan_verify): Likewise.
16658         * lra-constraints.c (lra_constraints): Likewise.
16659         (undo_optional_reloads): Likewise.
16660         (lra_undo_inheritance): Likewise.
16661         * lra-remat.c (calculate_gen_cands): Likewise.
16662         (do_remat): Likewise.
16663         * lra-spills.c (assign_spill_hard_regs): Likewise.
16664         (spill_pseudos): Likewise.
16665         * tree-ssa-pre.c (bitmap_set_and): Likewise.
16666         (bitmap_set_subtract_values): Likewise.
16668 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16670         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
16671         management with auto_bitmap.
16672         (fix_inter_tick): Likewise.
16673         (fix_recovery_deps): Likewise.
16674         * ira.c (add_store_equivs): Likewise.
16675         (find_moveable_pseudos): Likewise.
16676         (split_live_ranges_for_shrink_wrap): Likewise.
16677         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
16678         (rtx_reuse_manager::seen_def_p): Likewise.
16679         (rtx_reuse_manager::set_seen_def): Likewise.
16680         * print-rtl.h (class rtx_reuse_manager): Likewise.
16682 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16684         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
16685         lifetime.
16686         (migrate_btr_def): Likewise.
16687         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
16688         * df-core.c (loop_post_order_compute): Likewise.
16689         (loop_inverted_post_order_compute): Likewise.
16690         * hsa-common.h: Likewise.
16691         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
16692         * init-regs.c (initialize_uninitialized_regs): Likewise.
16693         * ipa-inline.c (resolve_noninline_speculation): Likewise.
16694         (inline_small_functions): Likewise.
16695         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
16696         * ira.c (combine_and_move_insns): Likewise.
16697         (build_insn_chain): Likewise.
16698         * loop-invariant.c (find_invariants): Likewise.
16699         * lower-subreg.c (propagate_pseudo_copies): Likewise.
16700         * predict.c (tree_predict_by_opcode): Likewise.
16701         (predict_paths_leading_to): Likewise.
16702         (predict_paths_leading_to_edge): Likewise.
16703         (estimate_loops_at_level): Likewise.
16704         (estimate_loops): Likewise.
16705         * shrink-wrap.c (try_shrink_wrapping): Likewise.
16706         (spread_components): Likewise.
16707         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
16708         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
16709         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
16710         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
16711         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
16712         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16713         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
16714         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
16715         (mark_threaded_blocks): Likewise.
16716         (thread_through_all_blocks): Likewise.
16717         * tree-ssa.c (verify_ssa): Likewise.
16718         (execute_update_addresses_taken): Likewise.
16719         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
16721 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16723         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
16724         auto_vec.
16725         (post_order_compute): Likewise.
16726         (inverted_post_order_compute): Likewise.
16727         (pre_and_rev_post_order_compute_fn): Likewise.
16729 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16731         * genrecog.c (int_set::int_set): Explicitly construct our
16732         auto_vec base class.
16733         * vec.h (auto_vec::auto_vec): New constructor.
16735 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16737         * bitmap.h (class auto_bitmap): New constructor taking
16738         bitmap_obstack * argument.
16740 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16742         * bitmap.h (class auto_bitmap): Change type of m_bits to
16743         bitmap_head, and adjust ctor / dtor and member operators.
16745 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
16747         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
16748         when returned register mode doesn't match original mode.
16750 2017-05-12  Jeff Law  <law@redhat.com>
16751             Jakub Jelinek  <jakub@redhat.com>
16753         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
16754         we look for cc setter after the compare-elim changes.
16755         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
16756         within the vector to match what compare-elim now expects.
16757         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
16758         (xorsi3_flags, one_cmplsi2_flags): Likewise.
16760         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
16761         after the compare-elim changes.
16762         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
16763         the vector to match what compare-elim now expects.
16764         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
16765         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
16766         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
16767         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
16768         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
16770         * config/visium/visium.c (single_set_and_flags): Fix where
16771         we look for cc setter after the compare-elim changes.
16772         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
16773         with the vector to match what compare-elim now expects.
16774         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
16775         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
16776         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
16777         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
16778         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
16779         (neg<mode>2_insn_set_overflow): Likewise.
16781 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
16783         PR middle-end/79794
16784         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
16785         maybe_expand_insn call, set ops[0].target.  If still set after call,
16786         set alt_rtl.  Add extra arg to recursive calls.
16787         (extract_bit_field): Add alt_rtl argument.  Pass to
16788         extract_bit_field.
16789         * expmed.h (extract_bit_field): Fix prototype.
16790         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
16791         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
16792         to extract_bit_field_calls.
16793         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
16794         Pass alt_rtl to extract_bit_field calls.
16795         * calls.c (store_unaligned_arguments_into_psuedos)
16796         load_register_parameters): Pass extra NULL to extract_bit_field calls.
16797         * optabs.c (maybe_legitimize_operand): Clear op->target when call
16798         gen_reg_rtx.
16799         * optabs.h (struct expand_operand): Add target bitfield.
16801 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
16803         * compare-elim.c (try_eliminate_compare): Canonicalize
16804         operation with embedded compare to
16805         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
16806          (set (reg) (operation)].
16808         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
16810 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
16812         PR target/80723
16813         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
16814         cost of adding a carry flag for ADC instruction.
16815         [case MINUS]: Ignore the cost of subtracting a carry flag
16816         for SBB instruction.
16818 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
16820         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
16821         and x86intrin.h
16822         * config/rs6000/bmiintrin.h: New file.
16823         * config/rs6000/bmi2intrin.h: New file.
16824         * config/rs6000/x86intrin.h: New file.
16826 2017-05-12  Jeff Law  <law@redhat.com>
16828         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
16829         markers.
16831 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
16833         PR middle-end/80707
16834         * tree-cfg.c: Remove cfg edges of unreachable case statements.
16836 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16838         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16839         early expansion of vector divide builtins.
16840         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
16841         builtins identified as having unsigned arguments.
16843 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16845         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
16846         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
16847         expansion of vector logical operations (and, andc, or, xor,
16848         nor, orc, nand).
16850 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16852         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
16853         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
16855 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16857         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16858         early GIMPLE expansion of vector multiplies.
16860 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16862         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
16863         TARGET_HAVE_MOVT conditional.
16864         (movt splitter): Likewise.
16866 2017-05-12  Richard Biener  <rguenther@suse.de>
16868         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
16869         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16870         Fold all stmts not inplace.
16872 2017-05-12  Richard Biener  <rguenther@suse.de>
16874         PR tree-optimization/80713
16875         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
16876         inserted_exprs bit for not removed stmts.
16878 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
16880         PR middle-end/69921
16881         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
16882         parallelized" attribute for parallelized OpenACC kernels.
16883         * omp-offload.c (execute_oacc_device_lower): Use it.
16885         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
16886         Set "oacc kernels" attribute.
16887         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
16888         parameter.  Adjust all users.
16889         (oacc_fn_attrib_kernels_p): Remove function.
16890         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
16891         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
16892         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
16893         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
16894         assert "oacc kernels" attribute is set.
16896 2017-05-11  Carl Love  <cel@us.ibm.com>
16898         * config/rs6000/rs6000-c: Add support for built-in functions
16899         vector unsigned char vec_popcnt (vector signed char)
16900         vector unsigned char vec_popcnt (vector unsigned char)
16901         vector unsigned short vec_popcnt (vector signed short)
16902         vector unsigned short vec_popcnt (vector unsigned short)
16903         vector unsigned int vec_popcnt (vector signed int)
16904         vector unsigned int vec_popcnt (vector unsigned int)
16905         vector unsigned long long vec_popcnt (vector signed long long)
16906         vector unsigned long long vec_popcnt (vector unsigned long long)
16907         vector signed long long vec_slo (vector signed long long,
16908                                          vector signed char)
16909         vector signed long long vec_slo (vector signed long long,
16910                                          vector unsigned char)
16911         vector unsigned long long vec_slo (vector unsigned long long,
16912                                            vector signed char)
16913         vector unsigned long long vec_slo (vector unsigned long long,
16914                                            vector unsigned char)
16915         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
16916         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
16917         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
16918         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
16919         * doc/extend.texi: Update the built-in documentation file for the
16920         new built-in functions.
16922 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
16924         * attribs.h (sorted_attr_string): Move machine independent
16925         functions for target clone support from the i386 port to common
16926         code.  Rename ix86_function_versions to common_function_versions.
16927         Rename make_name to make_unique_name.
16928         (common_function_versions): Likewise.
16929         (make_unique_name): Likewise.
16930         (make_dispatcher_decl): Likewise.
16931         (is_function_default_version): Likewise.
16932         * attribs.c (attr_strcmp): Likewise.
16933         (sorted_attr_string): Likewise.
16934         (common_function_versions): Likewise.
16935         (make_unique_name): Likewise.
16936         (make_dispatcher_decl): Likewise.
16937         (is_function_default_version): Likewise.
16938         * config/i386/i386.c (attr_strcmp): Likewise.
16939         (sorted_attr_string): Likewise.
16940         (ix86_function_versions): Likewise.
16941         (make_name): Likewise.
16942         (make_dispatcher_decl): Likewise.
16943         (is_function_default_version): Likewise.
16944         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
16946 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16948         PR target/80695
16949         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
16950         Account for direct move costs for vec_construct of integer
16951         vectors.
16953 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
16955         PR target/80706
16956         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
16957         (UNSPEC_STX_ATOMIC): Ditto.
16958         (loaddi_via_sse): New insn.
16959         (storedi_via_sse): Ditto.
16960         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
16961         Update corresponding peephole2 patterns.
16962         (atomic_storedi_fpu): Ditto.
16964 2017-05-11  Julia Koval  <julia.koval@intel.com>
16966         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
16967         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
16968         New intrinsics.
16969         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
16970         (__builtin_ia32_rsqrt14ss_mask): New builtins.
16971         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
16973 2017-05-11  Nathan Sidwell  <nathan@acm.org>
16975         * graphite-poly.c: Include dumpfile.h.
16977         * dumpfle.h (dump_function): Declare here ...
16978         * tree-dump.h (dump_function): ... not here.
16979         * dumpfile.c: #include tree-cfg.h.
16980         (dump_function): Move here from ...
16981         * tree-dump.c (dump_function): ... here.
16982         * gimplify.c: #include splay-tree.h, not tree-dump.h.
16983         * graphite-poly.c: Don't include tree-dump.h.
16984         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
16985         * print-tree.c: Likewise.
16986         * stor-layout.c: Likewise.
16987         * tree-nested.c: Likewise.
16989         * dumpfile.c (dump_start): Use TDF_FLAGS.
16990         (dump_enable_all): Fix TDF_KIND check thinko.
16992 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16994         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16995         array entries to represent two legal parameterizations of the
16996         overloaded __builtin_cmpb function, as represented by the
16997         P6_OV_BUILTIN_CMPB constant.
16998         (altivec_resolve_overloaded_builtin): Add special case handling
16999         for the __builtin_cmpb function, as represented by the
17000         P6_OV_BUILTIN_CMPB constant.
17001         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
17002         (BU_P6_64BIT_2): New macro.
17003         (BU_P6_OVERLOAD_2): New macro
17004         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
17005         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
17006         (CMPB): Add overload support to represent both 32-bit and 64-bit
17007         compare-bytes function.
17008         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
17009         support for TARGET_CMPB.
17010         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
17011         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
17012         documentation of the __builtin_cmpb overloaded built-in function.
17014 2017-05-11  Richard Biener  <rguenther@suse.de>
17016         PR tree-optimization/80705
17017         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
17018         bases are not vectorizable.
17020 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17022         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
17023         when counting register pressure.
17025 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17027         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
17028         (iv_ca_more_deps): Renamed to ...
17029         (iv_ca_compare_deps): ... this.
17030         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
17032 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17034         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
17035         to ...
17036         (determine_group_iv_costs): ... here.
17037         (find_inv_vars_cb): Record inv var if it's not recorded before.
17039 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17041         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
17042         (get_shiftadd_cost): Ditto.
17044 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17046         * tree-ssa-address.c: Include header file.
17047         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
17048         address.
17049         (add_to_parts): Refactor.
17050         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
17051         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
17052         in new order.
17054 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17056         PR tree-optimization/53090
17057         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
17058         COMP_IV_EXPR_2.
17059         (extract_cond_operands): Detect condition with IV on both sides
17060         and return COMP_IV_EXPR_2.
17061         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
17062         (rewrite_use_compare): Simplify by removing call to function
17063         extract_cond_operands.
17065 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17067         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
17068         (extract_cond_operands): Detect condition comparing against non-
17069         invariant bound and return appropriate enum value.
17070         (find_interesting_uses_cond): Update use of extract_cond_operands.
17071         Handle its return value accordingly.
17072         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
17074 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17076         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
17077         nonlinear iv_use computation in loop invariant sensitive way.
17079 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17081         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
17082         (find_iv_candidates): Call relate_compare_use_with_all_cands.
17084 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17086         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
17087         (dump_cand): Support iv_cand.inv_exprs.
17088         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
17089         for candidates.
17090         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
17091         iv_cand.inv_exprs.
17093 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17095         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
17096         from ...
17097         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
17098         as local function.  Include necessary header files.
17099         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
17101 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17103         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
17105 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17107         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
17108         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
17109         RSHIFT_EXPR and BIT_NOT_EXPR.
17111 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17113         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
17114         (adjust_setup_cost): New parameter supporting round up adjustment.
17115         (struct address_cost_data): Delete.
17116         (force_expr_to_var_cost): Don't bound cost with spill_cost.
17117         (split_address_cost, ptr_difference_cost): Delete.
17118         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
17119         (struct ainc_cost_data): New struct.
17120         (get_address_cost_ainc): New function.
17121         (get_address_cost, get_computation_cost): Reimplement.
17122         (determine_group_iv_cost_address): Record inv_expr for all uses of
17123         a group.
17124         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
17125         (iv_ca_has_deps): Reimplemented to ...
17126         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
17127         than OLD_CP.
17128         (iv_ca_extend): Call iv_ca_more_deps.
17130 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17132         * tree-ssa-address.c (struct mem_address): Move to header file.
17133         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
17134         * tree-ssa-address.h (struct mem_address): Move from C file.
17135         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
17137 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17139         * tree-affine.h (aff_combination_type): New interface.
17140         (aff_combination_zero_p): Remove static.
17141         (aff_combination_const_p): New interface.
17142         (aff_combination_singleton_var_p): New interfaces.
17144 2017-05-11  Richard Biener  <rguenther@suse.de>
17146         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
17147         Skip unreachable blocks and destinations.
17148         (eliminate): Move stmt removal and fixup ...
17149         (fini_eliminate): ... here.  Skip inserted exprs.
17150         (pass_pre::execute): Move fini_pre after fini_eliminate.
17151         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
17152         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
17153         PRE to get rid of dead code that has invalid SSA form and
17154         split critical edges again.
17156 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
17158         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17160 2017-05-11  Richard Biener  <rguenther@suse.de>
17162         * passes.c (execute_function_todo): Verify loops if they are
17163         said to be up-to-date.
17164         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
17165         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
17167 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
17169         PR target/80090
17170         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
17171         handle calling assemble_external ourself.
17173         PR target/79027
17174         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
17175         modes with zero size.  Enhance comment.
17177 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17179         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
17180         built-ins for vec_xl and vec_xst with short and char pointer
17181         arguments.
17183 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
17185         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
17186         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
17187         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
17188         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
17189         (_mm_maskz_min_round_ss): New intrinsics.
17190         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
17191         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
17192         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
17193         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
17194         (__builtin_ia32_minss_mask_round): New builtins.
17195         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17196         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17197         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
17198         Rename to ...
17199         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
17200         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
17201         Change to ...
17202         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
17203         ... this.
17205 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
17207         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
17208         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
17209         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
17210         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
17211         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
17212         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
17213         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
17214         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17215         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17216         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
17217         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
17218         (__builtin_ia32_mulss_mask_round): New builtins.
17219         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17220         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17221         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
17222         Rename to ...
17223         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
17224         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17225         Change to ...
17226         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17227         ... this.
17229 2017-05-10  Julia Koval  <julia.koval@intel.com>
17231         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
17232         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
17233         (_mm256_setr_m128i): New intrinsics.
17235 2017-05-10  Julia Koval  <julia.koval@intel.com>
17237         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
17238         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
17239         (_mm_maskz_rcp14_ss): New intrinsics.
17240         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
17241         (__builtin_ia32_rcp14ss_mask): New builtins.
17242         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
17244 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
17246         PR tree-optimization/51513
17247         * tree-cfg.c (gimple_seq_unreachable_p): New function.
17248         (assert_unreachable_fallthru_edge_p): Use it.
17249         (group_case_labels_stmt): Likewise.
17250         * tree-cfg.h: Prototype it.
17251         * stmt.c: Include cfghooks.h and tree-cfg.h.
17252         (emit_case_dispatch_table) <gap_label>: New local variable.
17253         Use it to fill dispatch table gaps.
17254         Test for default_label before updating probabilities.
17255         (expand_case) <default_label>: Remove unneeded initialization.
17256         Test for unreachable default case statement and remove its edge.
17257         Set default_label accordingly.
17258         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
17260 2017-05-10  Carl Love  <cel@us.ibm.com>
17262         * config/rs6000/rs6000-c: Add support for built-in functions
17263         vector signed char      vec_neg (vector signed char)
17264         vector signed short int vec_neg (vector short int)
17265         vector signed int       vec_neg (vector signed int)
17266         vector signed long long vec_neg (vector signed long long)
17267         vector float            vec_neg (vector float)
17268         vector double           vec_neg (vector double)
17269         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
17270         overload.
17271         * config/rs6000/altivec.h: Add define for vec_neg
17272         * doc/extend.texi: Update the built-in documentation for the
17273         new built-in functions.
17275 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17277         PR tree-optimization/77644
17278         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
17280 2017-05-10  Nathan Sidwell  <nathan@acm.org>
17282         * dumpfile.h (TDI_lang_all): New.
17283         (TDF_KIND): New. Renumber others
17284         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
17285         than bits.
17286         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
17287         lang-all.
17288         (get_dump_file_name): Adjust suffix generation.
17289         (dump_enable_all): Use TDF_KIND.
17290         * doc/invoke.texi (-fdump-lang-all): Document.
17292         * dumpfile.h: Tabify.
17294 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
17296         PR target/80671
17297         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
17298         Move member access before delete.
17300 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
17302         * tree-inline.c (expand_call_inline): Split block at stmt
17303         before the call.
17305 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
17307         PR target/68163
17308         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
17309         are now unused after splitting mov{sf,sd}_hardfloat.
17310         (f32_lr2): Likewise.
17311         (f32_lm): Likewise.
17312         (f32_lm2): Likewise.
17313         (f32_li): Likewise.
17314         (f32_li2): Likewise.
17315         (f32_lv): Likewise.
17316         (f32_sr): Likewise.
17317         (f32_sr2): Likewise.
17318         (f32_sm): Likewise.
17319         (f32_sm2): Likewise.
17320         (f32_si): Likewise.
17321         (f32_si2): Likewise.
17322         (f32_sv): Likewise.
17323         (f32_dm): Likewise.
17324         (f32_vsx): Likewise.
17325         (f32_av): Likewise.
17326         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
17327         For movsf, order stores so the VSX stores occur before the GPR
17328         store which encourages the register allocator to use a traditional
17329         FPR instead of a GPR.  For movsd, order the stores so that the GPR
17330         store comes before the VSX stores to allow the power6 to work.
17331         This is due to the power6 not having a 32-bit integer store
17332         instruction from a FPR.
17333         (movsf_hardfloat): Likewise.
17334         (movsd_hardfloat): Likewise.
17336 2017-05-09  Martin Sebor  <msebor@redhat.com>
17338         PR translation/80280
17339         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
17340         added in r247778.
17342         PR translation/80280
17343         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
17344         data member added in r247778.
17345         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
17347 2017-05-09  Nathan Sidwell  <nathan@acm.org>
17349         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
17351         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
17352         typedefs.
17354 2017-05-09  Marek Polacek  <polacek@redhat.com>
17356         * doc/invoke.texi: Fix typo.
17358 2017-05-09  Richard Biener  <rguenther@suse.de>
17360         * tree-vrp.c (vrp_val_is_max): Adjust comment.
17361         (vrp_val_is_min): Likewise.
17362         (set_value_range_to_value): Likewise.
17363         (set_value_range_to_nonnegative): Likewise.
17364         (gimple_assign_nonzero_p): Likewise.
17365         (gimple_stmt_nonzero_p): Likewise.
17366         (vrp_int_const_binop): Likewise.  Remove unreachable case.
17367         (adjust_range_with_scev): Adjust comments.
17368         (compare_range_with_value): Likewise.
17369         (extract_range_from_phi_node): Likewise.
17370         (test_for_singularity): Likewise.
17372 2017-05-09  Richard Biener  <rguenther@suse.de>
17374         * tree-vrp.c (get_single_symbol): Add assert that we don't
17375         get overflowed constants as invariant part.
17376         (compare_values_warnv): Add comment before the TREE_NO_WARNING
17377         checks.  Use wi::cmp instead of recursing for integer constants.
17378         (compare_values): Just ignore whether we assumed undefined
17379         overflow instead of failing the compare.
17380         (extract_range_for_var_from_comparison_expr): Add comment before the
17381         TREE_NO_WARNING sets.
17382         (test_for_singularity): Likewise.
17383         (extract_range_from_comparison): Do not disable optimization
17384         when we assumed undefined overflow.
17385         (extract_range_basic): Remove init of unused var.
17387 2017-05-09  Richard Biener  <rguenther@suse.de>
17389         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
17390         (extract_range_from_multiplicative_op_1): Adjust.
17391         (extract_range_from_binary_expr_1): Use int_const_binop.
17393 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17395         PR target/80101
17396         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
17397         rs6000_store_data_bypass_p in seven define_bypass directives and
17398         in several comments.
17399         * config/rs6000/rs6000-protos.h: Add prototype for
17400         rs6000_store_data_bypass_p function.
17401         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
17402         function implements slightly different (rs6000-specific) semantics
17403         than store_data_bypass_p, returning false rather than aborting
17404         with assertion error when arguments do not satisfy the
17405         requirements of store data bypass.
17406         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
17407         rs6000_store_data_bypass_p.
17409 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
17411         * config/xtensa/xtensa-protos.h
17412         (xtensa_initial_elimination_offset): New declaration.
17413         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
17414         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
17415         macro definition, add case for FRAME_POINTER_REGNUM when
17416         FRAME_GROWS_DOWNWARD.
17417         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
17418         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
17419         xtensa_initial_elimination_offset.
17421 2017-05-08  Nathan Sidwell  <nathan@acm.org>
17423         * doc/invoke.texi: Alphabetize -fdump options.
17425 2017-05-08  Martin Sebor  <msebor@redhat.com>
17427         PR translation/80280
17428         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
17430 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17432         * target.def (compute_frame_layout): New optional target hook.
17433         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
17434         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
17435         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
17436         target hook.
17437         * reload1.c (verify_initial_elim_offsets): Likewise.
17438         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
17439         (use_simple_return_p): Call arm_compute_frame_layout if needed.
17440         (arm_get_frame_offsets): Split up into this ...
17441         (arm_compute_frame_layout): ... and this function.
17443 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
17445         * config/aarch64/constraints.md (Usa): New constraint.
17446         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
17448 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17450         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
17451         with_multilib_list after it has been checked.
17453 2017-05-08  Richard Biener  <rguenther@suse.de>
17455         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
17456         (bitmap_set_subtract_values): Likewise.
17458 2017-05-08  Richard Biener  <rguenther@suse.de>
17460         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
17461         (gimple_assign_nonzero): ... this and remove strict_overflow_p
17462         argument.
17463         (gimple_stmt_nonzero_warnv_p): Rename to ...
17464         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
17465         argument.
17466         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
17467         (extract_range_basic): Adjust, do not disable propagation on
17468         strict overflow sensitive simplification.
17469         (vrp_visit_cond_stmt): Likewise.
17471 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
17473         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
17474         body size unconditionally.
17476 2017-05-07  Jeff Law  <law@redhat.com>
17478         Revert:
17479         2017-05-06  Jeff Law  <law@redhat.com>
17480         PR tree-optimization/78496
17481         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
17482         code.
17484         PR tree-optimization/78496
17485         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
17486         (simplify_stmt_using_ranges): Call it.
17487         (vrp_dom_walker::before_dom_children): Extract equivalences
17488         from an ASSERT_EXPR with an equality comparison against a
17489         constant.
17491 2017-05-06  Jeff Law  <law@redhat.com>
17493         PR tree-optimization/78496
17494         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
17495         code.
17497         PR tree-optimization/78496
17498         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
17499         (simplify_stmt_using_ranges): Call it.
17500         (vrp_dom_walker::before_dom_children): Extract equivalences
17501         from an ASSERT_EXPR with an equality comparison against a
17502         constant.
17504 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
17506         * lra-constraints.c (lra_copy_reg_equiv): New function.
17507         (split_reg): Use it to copy equivalence information from the
17508         original register to the spill register.
17510 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
17512         PR rtl-optimization/75964
17513         * simplify-rtx.c (simplify_const_relational_operation): Remove
17514         invalid handling of comparisons of integer ABS.
17516 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
17518         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
17519         initialize to zero.
17520         (init_regs): Remove declaration.
17521         (function_arg_advance_32): Initialize error_p as boolean variable.
17523 2017-05-05  Nathan Sidwell  <nathan@acm.org>
17525         * store-motion.c (remove_reachable_equiv_notes): Reformat long
17526         lines.  Use for (;;).
17528 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17530         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
17531         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
17532         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
17533         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
17534         VF=2 that require versioning.
17536 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17538         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
17539         int.
17541 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17543         * diagnostic.h (diagnostic_override_option_index): Convert from
17544         macro to inline function.
17546 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17548         * diagnostic.c (last_module_changed_p): New function.
17549         (set_last_module): New function.
17550         (diagnostic_report_current_module): Convert macro usage to
17551         the above functions.
17552         * diagnostic.h (diagnostic_context::last_module): Strengthen
17553         from const line_map * to const line_map_ordinary *.
17554         (diagnostic_last_module_changed): Delete macro.
17555         (diagnostic_set_last_module): Delete macro.
17557 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17559         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
17560         with diagnostic_report_diagnostic.
17561         (diagnostic_n_impl_richloc): Likewise.
17562         * diagnostic.h (report_diagnostic): Delete macro.
17563         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
17564         with diagnostic_report_diagnostic.
17565         * substring-locations.c (format_warning_va): Likewise.
17567 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17569         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
17570         save/restor of format_spec.  Move option-printing code to...
17571         (print_option_information): ...this new function, and
17572         reimplement by simply printing to the pretty_printer,
17573         rather than appending to the format string.
17575 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17577         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
17578         handling logic into...
17579         (update_effective_level_from_pragmas): ...this new function.
17581 2017-05-04  Andrew Waterman  <andrew@sifive.com>
17583         * config/riscv/riscv.opt (mstrict-align): New option.
17584         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
17585         (SLOW_UNALIGNED_ACCESS): Define.
17586         (riscv_slow_unaligned_access): Declare.
17587         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
17588         field.
17589         (riscv_slow_unaligned_access): New variable.
17590         (rocket_tune_info): Set slow_unaligned_access to true.
17591         (optimize_size_tune_info): Set slow_unaligned_access to false.
17592         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
17593         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
17594         (riscv_option_override): Set riscv_slow_unaligned_access.
17595         * doc/invoke.texi: Add -mstrict-align to RISC-V.
17597 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
17599         * config/riscv/riscv.md: Unify indentation.
17601 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
17603         PR target/79038
17604         PR target/79202
17605         PR target/79203
17606         * config/rs6000/rs6000.md (u code attribute): Add FIX and
17607         UNSIGNED_FIX.
17608         (extendsi<mode>2): Add support for doing sign extension via
17609         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
17610         don't have ISA 3.0 instructions.
17611         (extendsi<mode>2 splitter): Likewise.
17612         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
17613         generate the normal insns since SImode can now go in vector
17614         registers.  Disallow the special UNSPECs needed for previous
17615         machines to hide SImode being used.  Add new insns
17616         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
17617         (fix_trunc<mode>si2_stfiwx): Likewise.
17618         (fix_trunc<mode>si2_internal): Likewise.
17619         (fixuns_trunc<mode>si2): Likewise.
17620         (fixuns_trunc<mode>si2_stfiwx): Likewise.
17621         (fctiw<u>z_<mode>_smallint): Likewise.
17622         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
17623         of floating point to 32-bit integer from doing a direct move to
17624         the GPR registers to do a store.
17625         (fctiwz_<mode>): Break long line.
17627 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
17629         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
17630         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
17631         (addr_list, addr_offset_valid_p): New.
17632         (split_address_groups): Check offset validity with above function.
17633         (gt-tree-ssa-loop-ivopts.h): Include header file.
17635 2017-05-05  Nathan Sidwell  <nathan@acm.org>
17637         * config.gcc (arm*-*-*): Add missing 'fi'.
17639 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
17641         * doc/invoke.texi (-fopt-info): Explicitly say order of options
17642         included in -fopt-info does not matter.
17643         * doc/optinfo.texi (-fopt-info): Fix description of default
17644         behavour. Explicitly say order of options included in -fopt-info
17645         does not matter.
17647 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17649         * config.gcc: Allow combinations of aprofile and rmprofile values for
17650         --with-multilib-list.
17651         * config/arm/t-multilib: New file.
17652         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
17653         variables.  Remove setting of ISA and floating-point ABI in
17654         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
17655         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
17656         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
17657         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
17658         CPU options.
17659         * config/arm/t-rmprofile: Likewise except for the matches changes.
17660         * doc/install.texi (--with-multilib-list): Document the combination of
17661         aprofile and rmprofile values and warn about pitfalls in doing that.
17663 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
17665         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
17666         (movdi_aarch64): Likewise.
17668 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
17670         PR tree-optimization/80632
17671         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
17672         field.
17673         (build_arrays): Initialize it for virtual phis.
17674         (fix_phi_nodes): Use it for virtual phis.
17676         PR tree-optimization/80558
17677         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
17678         [x, y] op z into [x op, y op z] for op & or | if conditions
17679         are met.
17681 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
17682             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17684         PR target/71607
17685         * config/arm/arm.md (use_literal_pool): Remove.
17686         (64-bit immediate split): No longer takes cost into consideration
17687         if arm_disable_literal_pool is enabled.
17688         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
17689         used when arm_disable_literal_pool is enabled.
17690         (arm_max_const_double_inline_cost): Remove use of
17691         arm_disable_literal_pool.
17692         (push_minipool_fix): Add assert.
17693         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
17694         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
17695         (no_literal_pool_sf_immediate): New.
17697 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17699         PR tree-optimization/80613
17700         * tree-ssa-dce.c (propagate_necessity): Remove cases for
17701         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
17703 2017-05-05  Richard Biener  <rguenther@suse.de>
17705         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
17707 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
17709         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
17710         of this flag from insn conditions due to removal from r247495.
17712 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
17714         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
17715         New function.
17716         (arm_early_store_addr_dep_ptr): Likewise.
17717         * config/arm/aarch-common-protos.h
17718         (arm_early_load_addr_dep_ptr): Add prototype.
17719         (arm_early_store_addr_dep_ptr): Likewise.
17720         * config/arm/cortex-a53.md: Add new bypasses.
17722 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
17724         * tree.c (next_type_uid): Change type to unsigned.
17725         (type_hash_canon): Decrement back next_type_uid if
17726         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
17727         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
17728         if possible.
17730 2017-05-04  Martin Sebor  <msebor@redhat.com>
17732         * builtins.c: Fix a trivial typo in a comment.
17734         PR middle-end/79234
17735         * builtins.c (check_sizes): Adjust to handle reading past the end.
17736         Avoid printing excessive upper bound of ranges.  Use %E to print
17737         tree nodes instead of converting them to %wu.
17738         (expand_builtin_memchr): New function.
17739         (compute_dest_size): Rename...
17740         (compute_objsize): ...to this.
17741         (expand_builtin_memcpy): Adjust.
17742         (expand_builtin_mempcpy): Adjust.
17743         (expand_builtin_strcat): Adjust.
17744         (expand_builtin_strcpy): Adjust.
17745         (check_strncat_sizes): Adjust.
17746         (expand_builtin_strncat): Adjust.
17747         (expand_builtin_strncpy): Adjust and simplify.
17748         (expand_builtin_memset): Adjust.
17749         (expand_builtin_bzero): Adjust.
17750         (expand_builtin_memcmp): Adjust.
17751         (expand_builtin): Handle memcmp.
17752         (maybe_emit_chk_warning): Check strncat just once.
17754 2017-05-04  Martin Sebor  <msebor@redhat.com>
17756         PR preprocessor/79214
17757         PR middle-end/79222
17758         PR middle-end/79223
17759         * builtins.c (check_sizes): Add inlining context and issue
17760         warnings even when -Wno-system-headers is set.
17761         (check_strncat_sizes): Same.
17762         (expand_builtin_strncat): Same.
17763         (expand_builtin_memmove): New function.
17764         (expand_builtin_stpncpy): Same.
17765         (expand_builtin): Handle memmove and stpncpy.
17767 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
17769         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
17770         which is not used any more.
17772 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17774         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
17776 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17778         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
17779         (cortexa53_tunings): Likewise.
17780         (cortexa57_tunings): Likewise.
17781         (cortexa72_tunings): Likewise.
17782         (cortexa73_tunings): Likewise.
17784 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17786         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
17787         Set loop alignment to 8.
17789 2017-05-04  Martin Sebor  <msebor@redhat.com>
17791         PR translation/80280
17792         * builtins.c (expand_builtin_object_size): Add missing quoting to
17793         %D and like directives.
17794         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
17795         (hsa_type_for_tree_type): Same.
17796         (verify_function_arguments): Same.
17797         * symtab.c (symbol_table::change_decl_assembler_name): Same.
17798         * varasm.c (get_section): Same.
17799         (mark_weak): Same.
17801 2017-05-04  Martin Sebor  <msebor@redhat.com>
17803         PR translation/80280
17804         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
17806 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17808         * config/aarch64/aarch64.c (generic_addrcost_table):
17809         Change HI/TI mode setting.
17811 2017-05-04  Martin Jambor  <mjambor@suse.cz>
17813         PR tree-optimization/80622
17814         * tree-sra.c (comes_initialized_p): New function.
17815         (build_accesses_from_assign): Only set write lazily when
17816         comes_initialized_p is false.
17817         (analyze_access_subtree): Use comes_initialized_p.
17818         (propagate_subaccesses_across_link): Assert !comes_initialized_p
17819         instead of testing for PARM_DECL.
17821 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17823         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
17824         constraint on operand 0 to allow more general addressing modes.
17825         Adjust output template.
17826         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
17827         New function.
17828         * config/aarch64/aarch64-protos.h
17829         (aarch64_address_valid_for_prefetch_p): Declare prototype.
17830         * config/aarch64/constraints.md (Dp): New address constraint.
17831         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
17832         predicate.
17834 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
17836         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
17837         update use of estimate_ipcp_clone_size_and_time.
17838         (estimate_local_effects): Update use of
17839         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
17840         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
17841         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
17842         Return nonspecialized time.
17844 2017-05-04  Richard Biener  <rguenther@suse.de>
17846         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
17847         for the last VUSE which def dominates the PHI.  Directly call
17848         maybe_skip_until.
17849         (get_continuation_for_phi_1): Remove.
17851 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
17853         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
17854         to explain the use of truncating division.  Cap the number of
17855         iterations to the maximum given by nb_iterations_upper_bound,
17856         if defined.
17858 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17860         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
17861         * configure: Regenerate.
17862         * config.in: Regenerate.
17863         * config/i386/driver-mingw32.c: new file.
17864         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
17865         * config.host: Link driver-mingw32.o on MinGW host.
17866         * doc/install.texi: Document new --enable-mingw-wildcard configure
17867         option.
17869 2017-05-04  Marek Polacek  <polacek@redhat.com>
17871         PR tree-optimization/80612
17872         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
17874 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17875             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
17877         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
17878         (movt splitter): Likewise.
17879         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
17880         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
17881         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
17882         block for Thumb-1 with MOVT.
17883         (thumb2_legitimate_address_p): Move code block ...
17884         (can_avoid_literal_pool_for_label_p): ... into this new function.
17885         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
17886         literal pool.
17887         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
17888         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
17889         "M-profile targets with the MOVT instruction".
17891 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17893         * config/arm/arm-builtins.c (arm_init_builtins): Rename
17894         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
17895         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
17897 2017-05-04  Martin Liska  <mliska@suse.cz>
17899         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
17900         variable cond_code.
17902 2017-05-04  Richard Biener  <rguenther@suse.de>
17904         * tree.c (array_at_struct_end_p): Handle arrays at struct
17905         end with flexarrays more conservatively.  Refactor and treat
17906         arrays of arrays or aggregates more strict.  Fix
17907         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
17908         * tree.c (array_at_struct_end_p): Adjust prototype.
17909         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
17910         * gimple-fold.c (get_range_strlen): Likewise.
17911         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
17913 2017-05-04  Richard Biener  <rguenther@suse.de>
17915         PR tree-optimization/31130
17916         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
17917         false.
17918         (supports_overflow_infinity): Likewise.
17919         (is_negative_overflow_infinity): Likewise.
17920         (is_positive_overflow_infinity): Likewise.
17921         (is_overflow_infinity): Likewise.
17922         (stmt_overflow_infinity): Likewise.
17923         (overflow_infinity_range_p): Likewise.
17924         (usable_range_p): Remove as always returning true.
17925         (make_overflow_infinity): Remove.
17926         (negative_overflow_infinity): Likewise.
17927         (positive_overflow_infinity): Likewise.
17928         (avoid_overflow_infinity): Likewise.
17929         (set_value_range): Adjust accordingly.
17930         (set_value_range_to_nonnegative): Likewise, remove now unused
17931         overflow_infinity arg.
17932         (vrp_operand_equal_p): Adjust.
17933         (update_value_range): Likewise.
17934         (range_int_cst_singleton_p): Likewise.
17935         (operand_less_p): Likewise.
17936         (compare_values_warnv): Likewise.
17937         (extract_range_for_var_from_comparison_expr): Likewise.
17938         (vrp_int_const_binop): Likewise.
17939         (zero_nonzero_bits_from_vr): Likewise.
17940         (extract_range_from_multiplicative_op_1): Likewise.
17941         (extract_range_from_binary_expr_1): Likewise.
17942         (extract_range_from_unary_expr): Likewise.
17943         (extract_range_from_comparison): Likewise.
17944         (extract_range_basic): Likewise.
17945         (adjust_range_with_scev): Likewise.
17946         (compare_ranges): Likewise.
17947         (compare_range_with_value): Likewise.
17948         (dump_value_range): Likewise.
17949         (test_for_singularity): Likewise, remove strict_overflow_p parameter
17950         never used.
17951         (simplify_cond_using_ranges): Adjust.
17953 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
17955         * brig-builtins.def: Added a builtin for class_f64.
17956         * builtin-types.def: Added a builtin type needed by class_f64.
17958 2017-05-03  Jason Merrill  <jason@redhat.com>
17960         * timevar.def: Add TV_CONSTEXPR.
17962 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
17964         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
17966 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17968         * ipa-prop.c (ipa_update_after_lto_read): Removed.
17969         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
17970         * ipa-cp.c (ipcp_propagate_stage): Do not call
17971         ipa_update_after_lto_read.
17972         * ipa-inline.c (ipa_inline): Likewise.
17974 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17976         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
17977         tag.  Added a default constructor and a destructor.
17978         (ipa_edge_args_sum_t): New class;
17979         (ipa_edge_args_sum): Declare.
17980         (ipa_edge_args_vector): Remove declaration.
17981         (IPA_EDGE_REF): Use ipa_edge_args_sum.
17982         (ipa_free_edge_args_substructures): Remove declaration.
17983         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
17984         (ipa_edge_args_info_available_for_edge_p): Likewise.
17985         * ipa-prop.c (ipa_edge_args_vector): Removed.
17986         (edge_removal_hook_holder): Likewise.
17987         (edge_duplication_hook_holder): Likewise.
17988         (ipa_edge_args_sum): New variable.
17989         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
17990         ipa_edge_args_vector.
17991         (ipa_free_edge_args_substructures): Likewise.
17992         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
17993         ipa_edge_args_vector.
17994         (ipa_edge_removal_hook): Turned into method
17995         ipa_edge_args_sum_t::remove.
17996         (ipa_edge_duplication_hook): Turned into method
17997         ipa_edge_args_sum_t::duplicate.
17998         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
17999         registering edge hooks.
18000         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
18001         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
18002         ipa_edge_args_sum instead of ipa_edge_args_vector.
18003         * ipa-profile.c (ipa_profile): Likewise.
18005 2017-05-03  Martin Jambor  <mjambor@suse.cz>
18007         * symbol-summary.h (function_summary): New method exists.
18008         (function_summary::symtab_removal): Deallocate through release.
18009         (call_summary): New class.
18010         (gt_ggc_mx): New overload.
18011         (gt_pch_nx): Likewise.
18012         (gt_pch_nx): Likewise.
18014 2017-05-03  Jeff Law  <law@redhat.com>
18016         PR tree-optimization/78496
18017         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
18018         from simplify_cond_using_ranges.  Split off code to walk
18019         backwards through casts into ...
18020         (simplify_cond_using_ranges_2): New function.
18021         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
18022         (execute_vrp): After identifying jump threads, call
18023         simplify_cond_using_ranges_2.
18025 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
18027         PR bootstrap/80609
18028         * ipa-inline.h (inline_summary): Add ctor.
18029         (create_ggc): Do not use ggc_cleared_alloc.
18031 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
18032             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18034         * gcc.c (handle_braces): Support escaping in switch matching
18035         text.
18036         * doc/invoke.texi (Spec Files): Document it.
18037         Remove superfluous @code markup in items.
18039 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
18041         * diagnostic-show-locus.c (struct column_range): New struct.
18042         (get_affected_columns): New function.
18043         (get_printed_columns): New function.
18044         (struct correction): New struct.
18045         (correction::ensure_capacity): New function.
18046         (correction::ensure_terminated): New function.
18047         (struct line_corrections): New struct.
18048         (line_corrections::~line_corrections): New dtor.
18049         (line_corrections::add_hint): New function.
18050         (layout::print_trailing_fixits): Reimplement in terms of the new
18051         classes.
18052         (selftest::test_overlapped_fixit_printing): New function.
18053         (selftest::diagnostic_show_locus_c_tests): Call it.
18055 2017-05-03  Nathan Sidwell  <nathan@acm.org>
18057         Canonicalize canonical type hashing
18058         * tree.h (type_hash_canon_hash): Declare.
18059         * tree.c (type_hash_list, attribute_hash_list): Move into
18060         type_hash_canon_hash.
18061         (build_type_attribute_qual_variant): Break out hash code calc into
18062         type_hash_canon_hash.
18063         (type_hash_canon_hash): New.  Generic type hash computation.
18064         (build_range_type_1, build_array_type_1, build_function_type,
18065         build_method_type_directly, build_offset_type, build_complex_type,
18066         make_vector_type): Call it.
18068 2017-05-03  Richard Biener  <rguenther@suse.de>
18070         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
18071         When all DRs have unknown misaligned do not always peel
18072         when there is a store but apply the same costing model as if
18073         there were only loads.
18075 2017-05-03  Richard Biener  <rguenther@suse.de>
18077         Revert
18078         PR tree-optimization/80492
18079         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
18080         compare_base_decls returning dont-know properly.
18082 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18084         * config/arm/iterators.md (CCSI): New mode iterator.
18085         (arch): New mode attribute.
18086         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
18087         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
18088         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
18089         code iterator for success result mode.
18090         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
18091         the corresponding new insn generators.
18093 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
18095         Revert r247509
18096         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18097         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
18099 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
18101         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
18102         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
18103         (DDR_A): Wrap DDR argument in brackets.
18104         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
18105         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
18106         (DDR_REVERSED_P): Likewise.
18108 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
18110         PR tree-optimization/79472
18111         * tree-switch-conversion.c (struct switch_conv_info): Add
18112         contiguous_range and default_case_nonstandard fields.
18113         (collect_switch_conv_info): Compute contiguous_range and
18114         default_case_nonstandard fields, don't clear final_bb if
18115         contiguous_range and only the default case doesn't have the required
18116         structure.
18117         (check_all_empty_except_final): Set default_case_nonstandard instead
18118         of failing if contiguous_range and the default case doesn't have empty
18119         block.
18120         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
18121         and only the default case doesn't have the required constants.  Skip
18122         virtual phis.
18123         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
18124         if default_case_nonstandard.
18125         (build_constructors): Build constant 1 just once.  Assert that default
18126         values aren't inserted in between cases if contiguous_range.  Skip
18127         virtual phis.
18128         (build_arrays): Skip virtual phis.
18129         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
18130         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
18131         Handle virtual phis.
18132         (gen_inbound_check): Handle default_case_nonstandard case.
18133         (process_switch): Adjust check_final_bb caller.  Call
18134         gather_default_values with the first non-default case instead of
18135         default case if default_case_nonstandard.
18137 2017-05-02  Nathan Sidwell  <nathan@acm.org>
18139         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
18140         check.  Fix formatting.
18142 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
18144         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
18145         errors when comparing specialized and unspecialized times.
18147 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
18149         * diagnostic-show-locus.c
18150         (layout::should_print_annotation_line_p): Make private.
18151         (layout::print_annotation_line): Make private.
18152         (layout::annotation_line_showed_range_p): Make private.
18153         (layout::show_ruler): Make private.
18154         (layout::print_source_line): Make private.  Pass in line and
18155         line_width, rather than calling location_get_source_line.  Drop
18156         returned value.
18157         (layout::print_leading_fixits): New method.
18158         (layout::print_any_fixits): Rename to...
18159         (layout::print_trailing_fixits): ...this, and make private.
18160         Don't print newline fixits.
18161         (diagnostic_show_locus): Move logic for printing one row into...
18162         (layout::print_line): ...this new function.  Move the
18163         location_get_source_line call and error-handling from
18164         print_source_line to here.  Call print_leading_fixits, and rename
18165         print_any_fixits to print_trailing_fixits.
18166         (selftest::test_fixit_insert_containing_newline): Update now that
18167         newlines are partially supported.
18168         (selftest::test_fixit_insert_containing_newline_2): New test.
18169         (selftest::test_fixit_replace_containing_newline): Update comments.
18170         (selftest::diagnostic_show_locus_c_tests): Call the new test.
18171         * edit-context.c (class added_line): New class.
18172         (class edited_line): Describe newline handling in comment.
18173         (edited_line::actually_edited_p): New method.
18174         (edited_line::print_content): Delete redundant decl.
18175         (edited_line::m_predecessors): New field.
18176         (edited_file::print_content): Call edited_line::print_content.
18177         (edited_file::print_diff): Update to support newlines.
18178         (edited_file::print_diff_hunk): Likewise.
18179         (edited_file::print_run_of_changed_lines): New function.
18180         (edited_file::print_diff_line): Convert to...
18181         (print_diff_line): ...this.
18182         (edited_file::get_effective_line_count): New function.
18183         (edited_line::edited_line): Initialize new field m_predecessors.
18184         (edited_line::~edited_line): Clean up m_predecessors.
18185         (edited_line::apply_fixit): Handle newlines.
18186         (edited_line::get_effective_line_count): New function.
18187         (edited_line::print_content): New function.
18188         (edited_line::print_diff_lines): New function.
18189         (selftest::test_applying_fixits_insert_containing_newline): New
18190         test.
18191         (selftest::test_applying_fixits_replace_containing_newline): New
18192         test.
18193         (selftest::insert_line): New function.
18194         (selftest::test_applying_fixits_multiple_lines): Add example of
18195         inserting a line.
18196         (selftest::edit_context_c_tests): Call the new tests.
18198 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18200         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
18201         parameter cand.  Update dump information.
18202         (get_computation_cost): Update uses.
18204 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18206         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
18207         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
18208         (get_computation_at, rewrite_use_address): Update use of
18209         get_computation_aff.
18211 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18213         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
18214         (get_computation): Delete.
18215         (get_computation_cost): Implement like get_computation_cost_at.
18216         Use get_computation_at.
18217         (get_computation_cost_at): Delete.
18218         (rewrite_use_nonlinear_expr): Use get_computation_at.
18219         (rewrite_use_compare, remove_unused_ivs): Ditto.
18221 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18223         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
18225 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18227         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
18228         (ivopts_global_cost_for_size): Rename parameter and update uses.
18229         (iv_ca_recount_cost): Update uses.
18230         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
18231         candidates seperately in n_invs and n_cands.
18232         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
18234 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18236         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
18237         (find_inv_vars_cb): New.
18238         (find_depends): Renamed to ...
18239         (find_inv_vars): ... this.
18240         (add_candidate_1, force_var_cost): Call find_inv_vars.
18241         (split_address_cost, determine_group_iv_cost_cond): Ditto.
18243 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18245         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
18246         inv_vars.  Add inv_exprs.
18247         (struct iv_cand): Rename depends_on to inv_vars.
18248         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
18249         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
18250         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
18251         (dump_cand): Dump inv_vars.
18252         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
18253         (record_invariant, find_depends, add_candidate_1): Ditto.
18254         (set_group_iv_cost, force_var_cost): Ditto.
18255         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
18256         (get_computation_cost_at, get_computation_cost): Ditto.
18257         (determine_group_iv_cost_generic): Ditto.
18258         (determine_group_iv_cost_address): Ditto.
18259         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
18260         (determine_group_iv_costs): Ditto.
18261         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
18262         (iv_ca_set_remove_invariants): Renamed to ...
18263         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
18264         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
18265         (iv_ca_set_add_invariants):  Renamed to ...
18266         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
18267         (iv_ca_set_cp): Use iv_ca_set_add_invs.
18268         (iv_ca_has_deps): Support inv_vars and inv_exprs.
18269         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
18270         (create_new_ivs): Remove useless dump.
18272 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18274         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
18275         iv_cand code.
18276         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
18277         (iv_ca_set_no_cp, create_new_iv): Ditto.
18279 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18281         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
18283 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
18285         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
18286         function tree_check2.
18288 2017-05-02  Martin Liska  <mliska@suse.cz>
18290         * doc/gcov.texi: Add missing preposition.
18291         * gcov.c (function_info::function_info): Properly fill up
18292         all member variables.
18294 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
18296         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
18298 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
18300         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
18302 2017-05-02  Martin Liska  <mliska@suse.cz>
18304         PR lto/77954.
18305         * lto-streamer-in.c (lto_read_tree_1): Remove
18306         LTO_STREAMER_DEBUG.
18307         * lto-streamer.c (struct tree_hash_entry): Likewise.
18308         (struct tree_entry_hasher): Likewise.
18309         (tree_entry_hasher::hash): Likewise.
18310         (tree_entry_hasher::equal): Likewise.
18311         (lto_streamer_init): Likewise.
18312         (lto_orig_address_map): Likewise.
18313         (lto_orig_address_get): Likewise.
18314         (lto_orig_address_remove): Likewise.
18315         * lto-streamer.h: Likewise.
18316         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
18317         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
18319 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
18321         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
18322         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
18323         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
18324         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
18325         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
18326         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
18327         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
18328         (mm_maskz_sub_ss): New intrinsics.
18329         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
18330         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
18331         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
18332         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
18333         (__builtin_ia32_subss_mask_round): New builtins.
18334         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
18335         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
18336         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
18337         Renamed to ...
18338         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
18339         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
18340         Changed to ...
18341         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
18342         ... this.
18344 2017-05-02  Martin Jambor  <mjambor@suse.cz>
18346         PR tree-optimization/78687
18347         * tree-sra.c (access): New field parent.
18348         (process_subtree_disqualification): New function.
18349         (disqualify_candidate): Call it.
18350         (build_accesses_from_assign): Reset write flag if creating an
18351         assighnment link.
18352         (build_access_subtree): Fill in parent field and also prpagate
18353         down grp_write flag.
18354         (create_artificial_child_access): New parameter set_grp_write, set
18355         grp_write to its value.
18356         (propagate_subaccesses_across_link): Also propagate grp_write flag
18357         values.
18358         (propagate_all_subaccesses): Push the closest parent back to work
18359         queue if add_access_to_work_queue returned true.
18361 2017-05-02  Richard Biener  <rguenther@suse.de>
18363         * common.opt (fstrict-overflow): Alias negative to fwrapv.
18364         * doc/invoke.texi (fstrict-overflow): Remove all traces of
18365         -fstrict-overflow documentation.
18366         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
18367         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
18368         flag_strict_overflow.
18369         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
18370         * lto-opts.c (lto_write_options): Do not stream it.
18371         * lto-wrapper.c (merge_and_complain): Do not handle it.
18372         * opts.c (default_options_table): Do not set -fstrict-overflow.
18373         (finish_options): Likewise do not clear it when sanitizing.
18374         * simplify-rtx.c (simplify_const_relational_operation): Do not
18375         test flag_strict_overflow.
18377 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
18379         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
18380         using enabled attribute.
18381         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
18382         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
18383         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
18384         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
18385         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
18386         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
18387         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
18388         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
18389         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
18390         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
18392 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
18394         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
18396 2017-05-02  Richard Biener  <rguenther@suse.de>
18398         PR tree-optimization/80591
18399         Revert
18400         2017-04-10  Richard Biener  <rguenther@suse.de>
18402         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18403         asm inputs.
18405 2017-05-02  Richard Biener  <rguenther@suse.de>
18407         PR tree-optimization/80549
18408         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
18409         (cleanup_tree_cfg_noloop): Create forwarders to known loop
18410         headers if they do not have a preheader.
18412 2017-05-02  Martin Liska  <mliska@suse.cz>
18414         PR other/80589
18415         * common.opt: Fix typo.
18416         * doc/invoke.texi: Likewise.
18418 2017-05-01  Jan Beulich  <jbeulich@suse.com>
18420         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
18421         swapping, add (x,x,m,x,n) alternative.
18423 2017-05-01  Nathan Sidwell  <nathan@acm.org>
18425         * calls.c (combine_pending_stack_adjustment_and_call): Remove
18426         unnecessary unadjusted_alignment check.
18428 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
18430         PR c++/80038
18431         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
18432         operations here.
18433         * gimplify.c (gimplify_cilk_detach): New function.
18434         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
18435         * tree-core.h: Document EXPR_CILK_SPAWN.
18436         * tree.h (EXPR_CILK_SPAWN): Define.
18438 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
18440         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
18441         to use new fixit_hint representation, using the "replace" logic.
18442         (get_line_span_for_fixit_hint): Likewise.
18443         (layout::print_any_fixits): Likewise.
18444         (selftest::test_one_liner_many_fixits): Rename to...
18445         (selftest::test_one_liner_many_fixits_1): ...this, and update
18446         comment and expected output to reflect that the multiple fix-it
18447         hints are now consolidated into one insertion.
18448         (selftest::test_one_liner_many_fixits_2): New test.
18449         (selftest::test_diagnostic_show_locus_one_liner): Update for
18450         above.
18451         (selftest::test_fixit_consolidation): Update for fix-it API
18452         change.
18453         * diagnostic.c (print_parseable_fixits): Likewise.
18454         * edit-context.c (edited_line::m_line_events): Convert from
18455         auto_vec <line_event *> to auto_vec <line_event>.
18456         (class line_event): Convert from abstract base class to a concrete
18457         class, taking over the role of replace_event.
18458         (class insert_event): Delete.
18459         (class replace_event): Rename to class line_event.  Convert to
18460         half-open range.
18461         (edit_context::add_fixits): Reimplement.
18462         (edit_context::apply_insert): Delete.
18463         (edit_context::apply_replace): Rename to...
18464         (edit_context::apply_fixit): ...this.  Convert to half-open range.
18465         (edited_file::apply_insert): Delete.
18466         (edited_file::apply_replace): Rename to...
18467         (edited_file::apply_fixit): ...this.
18468         (edited_line::~edited_line): Drop deletion of events.
18469         (edited_line::apply_insert): Delete.
18470         (edited_line::apply_replace): Rename to...
18471         (edited_line::apply_fixit): ...this.  Convert to half-open range.
18472         Update for change to type of m_line_events.
18473         * edit-context.h (edit_context::apply_insert): Delete.
18474         (edit_context::apply_replace): Rename to...
18475         (edit_context::apply_fixit): ...this.
18477 2017-05-01  Martin Sebor  <msebor@redhat.com>
18479         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
18480         known.
18482 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
18484         PR target/68491
18485         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
18486         __get_cpuid_max returns 0.
18487         (__get_cpuid_count): Ditto.
18489 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
18491         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
18492         replacement expression is another instance of one of its arguments.
18494 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
18496         PR target/79430
18497         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
18498         check for stack push/pop autoinc.
18499         * config/i386/i386.c (ix86_agi_dependent): Return false
18500         if the only reason why modified_in_p returned true is that
18501         addr is SP based and set_insn is a push or pop.
18503 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
18505         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
18506         overflow check.
18508 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
18510         PR ipa/79224
18511         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
18512         (account_size_time): Use two predicates - exec_pred and
18513         nonconst_pred_ptr.
18514         (evaluate_conditions_for_known_args): Compute both clause and
18515         nonspec_clause.
18516         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
18517         (inline_summary_t::duplicate): Update.
18518         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
18519         separately.
18520         (compute_inline_parameters): Likewise.
18521         (estimate_edge_size_and_time): Update caluclation of time.
18522         (estimate_node_size_and_time): Compute both time and nonspecialized
18523         time.
18524         (estimate_ipcp_clone_size_and_time): Update.
18525         (inline_merge_summary): Update.
18526         (do_estimate_edge_time): Update.
18527         (do_estimate_edge_size): Update.
18528         (do_estimate_edge_hints): Update.
18529         (inline_read_section, inline_write_summary): Stream both new predicates.
18530         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
18531         as argument.
18532         (compute_inlined_call_time): Cleanup.
18533         (big_speedup_p): Update.
18534         (edge_badness): Update.
18535         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
18536         (size_time_entry): Replace predicate by exec_predicate and
18537         nonconst_predicate.
18538         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
18539         (estimate_edge_time): Return also nonspec_time.
18540         (reset_edge_growth_cache): Update.
18542 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
18544         PR rtl-optimization/80491
18545         * ifcvt.c (noce_process_if_block): When looking for x setter
18546         with missing else_bb, don't check only the insn right before
18547         cond_earliest, but look for the last insn that x is modified in
18548         within the same bb.
18550         PR rtl-optimization/80491
18551         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
18553 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
18555         PR tree-optimization/80487
18556         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
18558 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
18560         PR tree-optimization/79697
18561         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
18562         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
18563         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
18564         BUILT_IN_STRNDUP.
18565         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
18566         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
18568 2017-04-28  Martin Sebor  <msebor@redhat.com>
18570         PR tree-optimization/80523
18571         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
18572         (init_target_to_host_charmap, target_to_host, target_strtol10): New
18573         functions.
18574         (maybe_warn, format_directive, parse_directive): Use new functions.
18575         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
18577 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
18579         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
18581 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18583         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
18584         target_header_dir): Set correctly.
18585         * configure: Regenerated.
18586         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18587         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18588         instead of SYSTEM_HEADER_DIR.
18590 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
18592         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
18593         (estimate_local_effects): Likewise.
18594         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
18595         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
18596         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
18597         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
18598         do_estimate_edge_time, estimate_edge_time): Likewise.
18599         * ipa-inline-analysis.c (estimate_node_size_and_time,
18600         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
18601         (estimate_time_after_inlining): Remove.
18603 2017-04-28  Martin Liska  <mliska@suse.cz>
18605         * doc/gcov.texi: Enhance documentation of gcov.
18607 2017-04-28  Martin Liska  <mliska@suse.cz>
18609         * doc/gcov.texi: Sort options in alphabetic order.
18610         * doc/gcov-dump.texi: Likewise.
18611         * doc/gcov-tool.texi: Likewise.
18612         * gcov.c (print_usage): Likewise.
18613         * gcov-dump.c (print_usage): Likewise.
18614         * gcov-tool.c (print_merge_usage_message): Likewise.
18615         (print_rewrite_usage_message): Likewise.
18616         (print_overlap_usage_message): Likewise.
18618 2017-04-28  Martin Liska  <mliska@suse.cz>
18620         PR gcov-profile/53915
18621         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
18623 2017-04-28  Martin Liska  <mliska@suse.cz>
18625         PR gcov-profile/79891
18626         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
18627         is marked by compiler as living on a line.
18628         (get_cycles_count): Remove usage of the union.
18629         (output_intermediate_file): Likewise.
18630         (find_source): Fix GNU coding style.
18631         (accumulate_line_counts): Remove old non-all block mode.
18632         (output_lines): Remove usage of the union.
18633         * profile.c (output_location): Include all BBs, even if
18634         belonging to a same line (and file) as a previous BB.
18636 2017-04-28  Martin Liska  <mliska@suse.cz>
18638         * gcov.c (process_args): Handle new argument 'w'.
18639         (read_graph_file): Assign ID to BBs.
18640         (output_branch_count): Display BB # if verbose flag is set.
18641         (output_lines): Likewise for arcs.
18642         (print_usage): Add '--verbose' option help.
18643         * doc/gcov.texi: Document --verbose (-w) option.
18645 2017-04-28  Martin Liska  <mliska@suse.cz>
18647         * gcov.c (struct block_location_info): New struct.
18648         (process_file): Fill up the new structure.
18649         (read_graph_file): Replace usage of encoding by the newly added
18650         struct.
18651         (add_line_counts): Likewise.
18652         (accumulate_line_counts): Remove usage of the union.
18653         (function_info::function_info): New function.
18654         (function_info::~function_info): Likewise.
18655         (process_file): Call delete instead of release_function.
18656         (release_function): Release the function.
18657         (release_structures): Call delete instead of release_function.
18658         (solve_flow_graph): Replace usage of num_blocks.
18659         (find_exception_blocks): Likewise.
18660         (output_lines): Fix GNU coding style.
18662 2017-04-28  Martin Liska  <mliska@suse.cz>
18664         PR driver/56469
18665         * coverage.c (coverage_remove_note_file): New function.
18666         * coverage.h: Declare the function.
18667         * toplev.c (finalize): Clean if an error has been seen.
18669 2017-04-28  Martin Liska  <mliska@suse.cz>
18671         PR gcov-profile/80031
18672         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
18673         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
18674         * gcov.c (read_graph_file): Read just number of blocks.
18675         * profile.c (branch_prob): Do not stream 0 flags per a basic
18676         block.
18678 2017-04-28  Martin Liska  <mliska@suse.cz>
18680         * gcov-dump.c (tag_*): Add new argument to declarations.
18681         (dump_gcov_file): Likewise.
18682         (tag_blocks): Add and use new argument depth.
18683         (tag_arcs): Likewise.
18684         (tag_lines): Likewise.
18685         (tag_counters): Likewise.
18686         (tag_summary): Likewise.
18687         (dump_working_sets): Use depth to do a proper indentation.
18689 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
18691         PR bootstrap/80531
18692         * cgraph.h (symtab_node::debug_symtab): No longer inline.
18693         * symtab.c (symtab_node::debug_symtab): Move definition here.
18695 2017-04-28  Richard Biener  <rguenther@suse.de>
18697         * lto-streamer.h (LTO_major_version): Bump to 7.
18699 2017-04-28  Richard Biener  <rguenther@suse.de>
18701         * tree-vrp.c (assert_info): New struct.
18702         (add_assert_info): New helper.
18703         (register_edge_assert_for_2): Refactor to add asserts to a vector
18704         of assert_info.
18705         (register_edge_assert_for_1): Likewise.
18706         (register_edge_assert_for): Likewise.
18707         (finish_register_edge_assert_for): New helper actually registering
18708         asserts where live on edge.
18709         (find_conditional_asserts): Adjust.
18710         (find_switch_asserts): Likewise.
18711         (evrp_dom_walker::try_find_new_range): Generalize.
18712         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
18714 2017-04-27  Marek Polacek  <polacek@redhat.com>
18716         PR sanitizer/80349
18717         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
18718         arg10 and arg11 to itype.
18720 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
18722         * doc/extend.texi (Object Size Checking): Improve grammar.
18724 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
18726         PR target/80530
18727         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
18728         that the logic for permitting reciprocal estimates matches that
18729         in use_rsqrt_p.
18731 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
18733         PR c++/80534
18734         * tree.c (type_cache_hasher::equal): Only compare
18735         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
18736         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
18737         non-aggregate element types.
18738         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
18739         about the flag on ARRAY_TYPEs in the comment, formatting fix.
18741 2017-04-27  Richard Biener  <rguenther@suse.de>
18743         PR middle-end/80533
18744         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
18745         stripping ARRAY_REFs from MEM_EXPR make sure we're not
18746         keeping a reference to a trailing array.
18748 2017-04-27  Richard Biener  <rguenther@suse.de>
18750         PR middle-end/80539
18751         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
18752         being in loop-closed SSA form conservatively.
18753         (chrec_fold_multiply_poly_poly): Likewise.
18755 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
18757         PR middle-end/79665
18758         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
18759         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
18761 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
18763         PR target/77728
18764         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
18765         (aarch64_function_arg_alignment): Return unsigned int again, but still
18766         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
18767         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
18768         Don't emit -Wpsabi note.
18769         (aarch64_function_arg_boundary): Likewise.
18770         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
18771         caller.
18773 2017-04-26  Nathan Sidwell  <nathan@acm.org>
18775         * tree.h (crc32_unsigned_n): Declare.
18776         (crc32_unsigned, crc32_unsigned): Make inline.
18777         * tree.c (crc32_unsigned_bits): Replace with ...
18778         (crc32_unsigned_n): ... this.
18779         (crc32_unsigned, crc32_byte): Remove.
18780         (crc32_string): Remove unnecessary braces.
18782 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
18784         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
18785         * ipa-inline-analysis.c (MAX_TIME): Remove.
18786         (account_size_time): Use sreal for time.
18787         (dump_inline_summary): Update.
18788         (estimate_function_body_sizes): Update.
18789         (estimate_edge_size_and_time): Update.
18790         (estimate_calls_size_and_time): Update.
18791         (estimate_node_size_and_time): Update.
18792         (inline_merge_summary): Update.
18793         (inline_update_overall_summary): Update.
18794         (estimate_time_after_inlining): Update.
18795         (inline_read_section): Update.
18796         (inline_write_summary): Update.
18797         * ipa-inline.c (compute_uninlined_call_time): Update.
18798         (compute_inlined_call_time): Update.
18799         (recursive_inlining): Update.
18800         (inline_small_functions): Update.
18801         (dump_overall_stats): Update.
18802         * ipa-inline.h: Include sreal.h.
18803         (size_time_entry): Turn time to sreal.
18804         (inline_summary): Turn self_time nad time to sreal.
18806 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
18808         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
18809         data-streamer.h
18810         (sreal::stream_out, sreal::stream_in): New.
18811         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
18813 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
18815         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
18816         environment.
18818 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
18820         PR target/70799
18821         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
18822         Handle ASHIFTRT.
18823         (dimode_scalar_chain::compute_convert_gain): Ditto.
18824         (dimode_scalar_chain::make_vector_copies): Ditto.
18825         (dimode_scalar_chain::convert_reg): Ditto.
18826         (dimode_scalar_chain::convert_insn): Ditto.
18827         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
18828         (VI248_AVX512BW_1): New mode iterator.
18829         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
18830         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
18831         mode iterator.
18833 2017-04-25  Martin Sebor  <msebor@redhat.com>
18835         PR tree-optimization/80497
18836         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
18837         constants are representable in HOST_WIDE_INT.
18838         (parse_directive): Ditto.
18840 2017-04-25  Martin Sebor  <msebor@redhat.com>
18842         PR bootstrap/80486
18843         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
18844         (new_zero_array): Adjust signature.
18845         (dom_info::dom_init): Used unsigned rather that size_t.
18846         (dom_info::dom_info): Same.
18848 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18849             Jakub Jelinek  <jakub@redhat.com>
18851         PR target/77728
18852         * config/arm/arm.c: Include gimple.h.
18853         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18854         returns negative, increment ncrn only if it returned positive.
18855         (arm_needs_doubleword_align): Return int instead of bool,
18856         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
18857         members, but if there is any such non-FIELD_DECL
18858         > PARM_BOUNDARY aligned decl, return -1 instead of false.
18859         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18860         returns negative, increment nregs only if it returned positive.
18861         (arm_setup_incoming_varargs): Likewise.
18862         (arm_function_arg_boundary): Emit -Wpsabi note if
18863         arm_needs_doubleword_align returns negative, return
18864         DOUBLEWORD_ALIGNMENT only if it returned positive.
18866 2017-04-25  Marek Polacek  <polacek@redhat.com>
18868         PR sanitizer/80349
18869         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18870         first argument to type.
18872 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
18874         PR target/80482
18875         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
18876         type checks to test for compatibility instead of equality.
18878 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18879             Jakub Jelinek  <jakub@redhat.com>
18881         PR target/77728
18882         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
18883         type.
18884         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
18885         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
18886         the alignment computation, but return their maximum in warn_alignment.
18887         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
18888         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
18889         is smaller.
18890         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
18891         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
18892         caller.
18894 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18896         * config/arc/simdext.md (dmpyh): Fix typo.
18898 2017-04-25  Richard Biener  <rguenther@suse.de>
18900         PR tree-optimization/80492
18901         * alias.c (compare_base_decls): Handle registers with asm
18902         specification conservatively.
18903         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
18904         compare_base_decls returning dont-know properly.
18906 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18908         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
18909         (legitimate_offset_address_p): New function.
18910         (arc_legitimate_address_p): Use above function.
18912 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18914         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
18916 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18918         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
18919         ACCH registers whenever they are available.
18921 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18923         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
18924         double regs fix when not used.
18926 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18928         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
18929         core registers.
18930         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
18931         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
18933 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18935         * config/arc/arc.c (arc_output_addsi): Check for h-register class
18936         when emitting short ADD instructions.
18938 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18940         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
18941         constraint.
18942         (cmpsi_cc_c_insn): Likewise.
18943         (cbranchsi4_scratch): Compute proper instruction length using
18944         compact_hreg_operand.
18945         * config/arc/predicates.md (compact_hreg_operand): New predicate.
18947 2017-04-25  Richard Biener  <rguenther@suse.de>
18949         PR middle-end/80509
18950         * passes.c (pass_manager::pass_manager): Initialize
18951         m_name_to_pass_map.
18953 2017-04-25  Richard Biener  <rguenther@suse.de>
18955         PR tree-optimization/79201
18956         * tree-ssa-sink.c (statement_sink_location): Handle calls.
18958 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18960         PR target/80464
18961         * config/s390/vector.md: Split MEM->GPR vector moves for
18962         non-s_operand addresses.
18964 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18966         PR target/79895
18967         * config/s390/predicates.md (reload_const_wide_int_operand): New
18968         predicate.
18969         * config/s390/s390.md ("movti"): Remove d/P alternative.
18970         ("movti_bigconst"): New pattern definition.
18972 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18974         PR target/80080
18975         * s390-protos.h (s390_expand_cs_hqi): Removed.
18976         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
18977         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
18978         modes as well as CCZ1mode and CCZmode.
18979         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
18980         signature of s390_emit_compare_and_swap.
18981         (s390_expand_cs_hqi): Likewise, make static.
18982         (s390_expand_cs_tdsi): Generate an explicit compare before trying
18983         compare-and-swap, in some cases.
18984         (s390_expand_cs): Wrapper function.
18985         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
18986         atomic_exchange.
18987         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
18988         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
18989         patterns for small and large integers.  Forbid symref memory operands.
18990         Move expander to s390.c.  Require cc register.
18991         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
18992         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
18993         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
18994         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
18995         symref memory operands.  Remove CC mode and call s390_match_ccmode
18996         instead.
18997         ("atomic_exchange<mode>"): Allow and implement all integer modes.
18999 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19001         * config/s390/s390.md (define_peephole2): New peephole to help
19002         combining the load-and-test pattern with volatile memory.
19004 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19006         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
19007         with CCZmode for TARGET_Z196.
19009 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
19011         PR rtl-optimization/80501
19012         * combine.c (make_compound_operation_int): Set subreg_code to SET
19013         even for AND with mask of the sign bit of mode.
19015         PR rtl-optimization/80500
19016         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
19017         sum's initial value.
19019 2017-04-25  Julian Brown  <julian@codesourcery.com>
19020             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
19022         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
19024 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
19026         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
19028 2017-04-25  Julian Brown  <julian@codesourcery.com>
19029             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
19031         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
19032         (thunderx2t99_sha): New Reservation.
19034 2017-04-25  Julian Brown  <julian@codesourcery.com>
19035             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
19037         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
19038         type for 1-element load.
19040 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
19042         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
19044 2017-04-24  Martin Jambor  <mjambor@suse.cz>
19046         PR tree-optimization/80293
19047         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
19048         char arrays not totally scalarizable if it is false.
19049         (analyze_all_variable_accesses): Pass correct value in the new
19050         parameter.  Add a statistics counter.
19052 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
19054         PR middle-end/79931
19055         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
19057 2017-04-24  Richard Biener  <rguenther@suse.de>
19059         PR tree-optimization/80494
19060         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
19061         out for complex types.
19063 2017-04-24  Richard Biener  <rguenther@suse.de>
19065         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
19066         * tree-ssa-sccvn.c (print_scc): Print SCC size.
19067         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
19068         (DFS): Adjust and never fail.
19069         (sccvn_dom_walker::fail): Remove.
19070         (sccvn_dom_walker::before_dom_children): Adjust.
19071         (run_scc_vn): Likewise and never fail.
19072         * tree-ssa-pre.c (pass_pre::execute): Adjust.
19073         (pass_fre::execute): Likewise.
19075 2017-04-24  Richard Biener  <rguenther@suse.de>
19077         PR tree-optimization/79725
19078         * tree-ssa-sink.c (statement_sink_location): Return whether
19079         failure reason was zero uses.  Move that check later.
19080         (sink_code_in_bb): Deal with zero uses by removing the stmt
19081         if possible.
19083 2017-04-24  Richard Biener  <rguenther@suse.de>
19085         PR c++/2972
19086         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
19087         pointer-based references.
19089 2017-04-24  Richard Biener  <rguenther@suse.de>
19091         PR bootstrap/79814
19092         * pass_manager.h (pass_manager::operator new): Remove.
19093         (pass_manager::operator delete): Likewise.
19094         * passes.c (pass_manager::operator new): Remove.
19095         (pass_manager::operator delete): Likewise.
19096         (pass_manager::pass_manager): Zero individual pass members.
19098 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
19100         PR target/70799
19101         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
19102         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
19103         Check "XEXP (src, 1)" operand here.
19104         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
19105         Check "XEXP (src, 1)" operand here.
19106         (dimode_scalar_chain::make_vector_copies): Detect count register
19107         of a shift instruction.  Zero extend count register from QImode
19108         to DImode to satisfy vector shift pattern count operand predicate.
19109         Substitute vector shift count operand with a DImode copy.
19110         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
19111         vector register.
19113 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
19115         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
19116         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
19117         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
19118         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
19119         (UNSPEC_NOREX_MEM): Remove definition.
19121 2017-04-21  Richard Biener  <rguenther@suse.de>
19123         PR tree-optimization/79547
19124         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
19125         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
19126         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
19127         without any constraints.
19129 2017-04-21  Richard Biener  <rguenther@suse.de>
19131         PR tree-optimization/78847
19132         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
19134 2017-04-21  Richard Biener  <rguenther@suse.de>
19136         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
19137         (build_distinct_type_copy): Likewise.
19138         (build_variant_type_copy): Likewise.
19139         * tree.c (build_qualified_type): Pass down mem-stat info.
19140         (build_distinct_type_copy): Likewise.
19141         (build_variant_type_copy): Likewise.
19143 2017-04-21  Richard Biener  <rguenther@suse.de>
19145         PR tree-optimization/80237
19146         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
19147         defaulted to NULL.
19148         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
19149         for a simplified result.
19151 2016-04-21  Richard Biener  <rguenther@suse.de>
19153         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
19154         sth as strict as a simple_iv but a chrec without symbols and an
19155         operand defined in the loop we are peeling (and not some subloop).
19156         (propagate_constants_for_unrolling): Propagate all constants.
19158 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
19160         PR target/79804
19161         * config/i386/i386.c (print_reg): Remove assert for disalowed
19162         regno values, call output_operand_lossage instead.
19164 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
19166         PR target/78090
19167         * config/i386/constraints.md (Yc): New register constraint.
19168         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
19169         Use Yc constraint for alternative 2 of operand 0.  Remove
19170         preferred_for_speed attribute.
19172 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
19174         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
19175         lastprivate clauses in SIMT case.
19177 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
19179         * doc/invoke.texi (-Wextra-semi): Document new warning option.
19181 2017-04-20  Richard Biener  <rguenther@suse.de>
19183         PR tree-optimization/57796
19184         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
19185         as N scalar stores.
19186         (vect_model_load_cost): Cost gathers as N scalar loads.
19188 2017-04-20  Richard Biener  <rguenther@suse.de>
19190         * ggc-page.c (ggc_allocated_p): Rename to ...
19191         (safe_lookup_page_table_entry): ... this and return the lookup
19192         result.
19193         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
19195 2017-04-20  Richard Biener  <rguenther@suse.de>
19197         PR tree-optimization/80453
19198         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
19199         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
19200         from the conditions.
19201         (vn_phi_eq): Pass them down.
19202         (vn_phi_lookup): Record them.
19203         (vn_phi_insert): Likewise.
19205 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19207         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
19208         uninitialized variable warning to avoid buffer overrun.
19210 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
19212         PR other/71250
19213         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
19214         is suppressed for '{ 0 }' in C.
19216 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
19218         * BASE-VER: Set to 8.0.0.
19220 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19222         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
19223         priority .init_array and .fini_array section with SECTION_NOTYPE
19224         flag.
19226 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
19228         PR middle-end/80423
19229         * tree.h (build_array_type): Add typeless_storage default argument.
19230         * tree.c (type_cache_hasher::equal): Also compare
19231         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
19232         (build_array_type): Add typeless_storage argument, set
19233         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
19234         recursive call.
19235         (build_nonshared_array_type): Adjust build_array_type_1 caller.
19236         (build_array_type): Likewise.  Add typeless_storage argument.
19238 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
19239             Jakub Jelinek  <jakub@redhat.com>
19241         PR tree-optimization/80426
19242         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
19243         operation on symbolic operands, also compute the overflow for the
19244         invariant part when the operation degenerates into a negation.
19246 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
19248         PR debug/80461
19249         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
19250         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
19252         PR debug/80436
19253         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
19255 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
19257         PR target/80462
19258         * config/avr/avr.c (tree.h): Include it.
19259         (cgraph.h): Include it.
19260         (avr_encode_section_info): Don't warn for uninitialized progmem
19261         variable if it's just an alias.
19263 2017-04-19  Richard Biener  <rguenther@suse.de>
19265         PR ipa/65972
19266         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
19267         when needed by AutoPGO.
19269 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
19271         PR lto/50345
19272         * doc/lto.texi: Remove an extra 'that'.
19274 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
19276         PR rtl-optimization/80429
19277         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
19278         are only used in debug insns.
19280 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
19281             Vladimir Makarov  <vmakarov@redhat.com>
19283         * config/sparc/predicates.md (input_operand): Add comment.  Return
19284         true for any memory operand when LRA is in progress.
19285         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
19287 2017-04-18  Jeff Law  <law@redhat.com>
19289         PR target/74563
19290         * mips.md ({return,simple_return}_internal): Do not overwrite
19291         operands[0].
19293 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19295         PR tree-optimization/80443
19296         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
19297         instead of adding 1, subtract -1 and similarly instead of subtracting
19298         1 add -1.
19300 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
19302         PR rtl-optimization/80357
19303         * haifa-sched.c (tmp_bitmap): New variable.
19304         (model_recompute): Handle duplicate use records.
19305         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
19306         (free_global_sched_pressure_data): Free it.
19308 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19310         Revert:
19311         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19312         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
19313         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
19314         instead of SYSTEM_HEADER_DIR.
19316 2017-04-18  Jeff Law  <law@redhat.com>
19318         PR middle-end/80422
19319         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
19320         predecessors after walking up the insn chain.
19322 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19324         PR debug/80263
19325         * dwarf2out.c (modified_type_die): Try harder not to emit internal
19326         sizetype type into debug info.
19328 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
19330         PR target/80099
19331         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
19332         unneeded test for TARGET_UPPER_REGS_SF.
19333         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
19335 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19337         PR sanitizer/80444
19338         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
19339         instead of gsi_after_labels.
19341 2017-04-18  Jeff Law  <law@redhat.com>
19343         * regcprop.c (maybe_mode_change): Avoid creating copies of the
19344         stack pointer.
19346         Revert:
19347         2017-04-13  Jeff Law  <law@redhat.com>
19348         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
19349         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
19351 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
19353         PR target/79453
19354         * config/avr/avr.c (intl.h): Include it.
19355         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
19357 2017-04-18  Martin Liska  <mliska@suse.cz>
19359         PR gcov-profile/78783
19360         * gcov-tool.c (gcov_output_files): Validate that destination
19361         file is either removed by the tool or by a user.
19363 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
19364             Guy Benyei  <guybe@mellanox.com>
19366         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
19367         block, and do not negate it, the stored id is already negative.
19369 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
19371         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
19373 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
19375         PR target/80098
19376         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
19377         masks of options that should be turned off if the VSX vector
19378         options are turned off.
19379         (OTHER_P8_VECTOR_MASKS): Likewise.
19380         (OTHER_VSX_VECTOR_MASKS): Likewise.
19381         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
19382         rs6000_disable_incompatible_switches to validate no type switches
19383         like -mvsx.
19384         (rs6000_incompatible_switch): New function to disallow turning on
19385         other vector options if -mno-vsx, -mno-power8-vector, or
19386         -mno-power9-vector are specified.
19388 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19390         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
19392 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19394         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
19395         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
19396         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
19397         (ARG_POINTER_CFA_OFFSET): Likewise.
19399 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19401         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
19402         conditions to take advantage of various optimizations.
19404 2017-04-13  Jeff Law  <law@redhat.com>
19406         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
19407         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
19408         (zero_extendsidi2_dext): Likewise.
19410 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
19412         PR sanitizer/80403
19413         * fold-const.c (fold_ternary_loc): Revert
19414         use op0 instead of fold_convert_loc (loc, type, arg0) part of
19415         2017-04-12 change.
19417 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
19419         PR rtl-optimization/80343
19420         * lra-remat.c (update_scratch_ops): Assign original hard reg to
19421         new scratch pseudo.
19423 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
19425         PR sanitizer/80414
19426         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
19427         to ubsan_encode_value.
19429 2017-04-13  Jeff Law  <law@redhat.com>
19431         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
19432         appearing in DEBUG_INSNs.
19434 2017-04-13  Martin Liska  <mliska@suse.cz>
19436         PR gcov-profile/80413
19437         * gcov-io.c (gcov_write_string): Copy to buffer just when
19438         allocated size is greater than zero.
19440 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
19442         PR debug/80321
19443         * dwarf2out.c (decls_for_scope): Ignore declarations of
19444         current_function_decl in BLOCK_NONLOCALIZED_VARS.
19446 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
19448         PR lto/69953
19449         * ipa-visibility.c (non_local_p): Fix typos.
19450         (localize_node): When localizing symbol in same comdat group,
19451         dissolve the group only when we know external symbols are going
19452         to be privatized.
19453         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
19455 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19457         PR tree-optimization/79390
19458         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
19459         order does not result in usable sequence, retry with reversed operand
19460         order.
19462         PR sanitizer/80403
19463         PR sanitizer/80404
19464         PR sanitizer/80405
19465         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
19466         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
19467         op0 instead of fold_convert_loc (loc, type, arg0).
19469 2017-04-12  Jeff Law  <law@redhat.com>
19471         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
19472         has a delay slot in the generated code.
19474         * config/cris/cris.md (cris_preferred_reload_class): Return
19475         GENNONACR_REGS rather than GENERAL_REGS.
19477 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19479         PR c/80163
19480         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
19481         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
19482         signedness of the result type.
19484 2017-04-12  Richard Biener  <rguenther@suse.de>
19485             Jeff Law  <law@redhat.com>
19487         PR tree-optimization/80359
19488         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
19489         trim stores to TARGET_MEM_REFs.
19491 2017-04-12  Richard Biener  <rguenther@suse.de>
19493         PR tree-optimization/79390
19494         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
19495         threading case even more.
19497 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
19499         PR target/80382
19500         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
19501         for quad_address_p for TImode, instead of just not indexed_address.
19503 2017-04-12  Richard Biener  <rguenther@suse.de>
19504             Bernd Edlinger  <bernd.edlinger@hotmail.de>
19506         PR middle-end/79671
19507         * alias.c (component_uses_parent_alias_set_from): Handle
19508         TYPE_TYPELESS_STORAGE.
19509         (get_alias_set): Likewise.
19510         * tree-core.h (tree_type_common): Add typeless_storage flag.
19511         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
19512         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
19513         for types containing members with TYPE_TYPELESS_STORAGE.
19514         (place_field): Likewise.
19515         (layout_type): Likewise for ARRAY_TYPE.
19516         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
19517         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
19518         TYPE_TYPELESS_STORAGE.
19519         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
19521 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19523         PR sanitizer/80349
19524         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
19525         first argument to type.
19527 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19529         PR target/80376
19530         PR target/80315
19531         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
19532         CONST0_RTX (mode) rather than const0_rtx where appropriate.
19533         (rs6000_expand_binop_builtin): Likewise.
19534         (rs6000_expand_ternop_builtin): Likewise; also add missing
19535         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
19536         vshasigma built-ins.
19537         * doc/extend.texi: Document that vec_xxpermdi's third argument
19538         must be a constant.
19540 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
19542         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
19543         Use shift_const cost parameter when calculating gain of STV shifts.
19545 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
19547         PR rtl-optimization/70478
19548         * lra-constraints.c (process_alt_operands): Check memory for
19549         disfavoring memory insn operand.
19551 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
19553         PR middle-end/80100
19554         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
19555         left shift in unsigned HOST_WIDE_INT type.
19557         PR rtl-optimization/80385
19558         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
19559         (not (neg X)) into (plus X -1) for complex or non-integral modes.
19561         PR libgomp/80394
19562         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
19563         if they have any depend clauses.
19565 2017-04-11  Martin Liska  <mliska@suse.cz>
19567         PR ipa/80212
19568         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
19569         * ipa-split.c (split_function): Create a local comdat symbol
19570         if caller is in a comdat group.
19572 2017-04-11  Martin Liska  <mliska@suse.cz>
19574         PR ipa/80212
19575         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
19576         flags.
19578 2017-04-11  Martin Sebor  <msebor@redhat.com>
19580         PR middle-end/80364
19581         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
19582         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
19583         for INTEGER_TYPE.
19584         (directive::set_width, directive::set_precision, format_character):
19585         Adjust.
19586         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
19587         INTEGER_TYPE.
19589 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
19591         PR target/80389
19592         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
19593         conflict, set target->arch_name instead of target->cpu_name.
19595 2017-04-11  Richard Biener  <rguenther@suse.de>
19597         PR tree-optimization/80374
19598         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
19599         build_zero_cst, remove fold_convertible_p check again.
19601 2017-04-11  Martin Liska  <mliska@suse.cz>
19603         PR sanitizer/70878
19604         * ubsan.c (instrument_object_size): Do not instrument register
19605         variables.
19607 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
19609         PR target/80381
19610         * config/i386/i386-builtin-types.def
19611         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
19612         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
19613         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
19614         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
19615         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
19616         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
19617         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
19618         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
19619         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
19620         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
19621         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
19622         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
19623         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
19624         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
19625         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
19626         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
19627         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
19628         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
19629         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
19630         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
19631         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
19632         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
19633         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
19634         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
19635         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
19636         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
19637         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
19638         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
19639         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
19640         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
19641         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
19642         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
19643         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
19644         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
19645         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
19646         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
19647         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
19648         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
19649         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
19650         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
19651         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
19652         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
19653         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
19654         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
19655         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
19656         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
19657         aliases.
19658         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
19659         flag to second_arg_count, handle 4 argument function type _COUNT
19660         aliases, handle second_arg_count on second argument rather than last.
19662 2017-04-10  Jeff Law  <law@redhat.com>
19664         PR tree-optimization/80374
19665         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
19666         record anything if we can not convert integer_zero_node to the
19667         desired type.
19669 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19671         PR target/80108
19672         * config/rs6000/rs6000.c (rs6000_option_override_internal):
19673         Enhance special handling given to the TARGET_P9_MINMAX option in
19674         relation to certain other options.
19676 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
19678         PR tree-optimization/80153
19679         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
19680         remove POINTER_PLUS_EXPR's base part directly, rather than through
19681         aff_tree.
19683 2017-04-10  Richard Biener  <rguenther@suse.de>
19684             Bin Cheng  <bin.cheng@arm.com>
19686         PR tree-optimization/80153
19687         * tree-affine.c (aff_combination_to_tree): Get base pointer from
19688         the first element of pointer type aff_tree.  Build result expr in
19689         aff_tree's type.
19690         (add_elt_to_tree): Convert to type unconditionally.  Remove other
19691         fold_convert calls.
19692         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
19693         (rewrite_use_nonlinear_expr): Check invariant using iv information.
19695 2017-04-10  Richard Biener  <rguenther@suse.de>
19697         * tree-ssa-structalias.c (find_func_aliases): Properly handle
19698         asm inputs.
19700 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
19702         PR rtl-optimization/70478
19703         * lra-constraints.c (curr_small_class_check): New.
19704         (update_and_check_small_class_inputs): New.
19705         (process_alt_operands): Update curr_small_class_check.  Disfavor
19706         alternative insn memory operands.  Check available regs for small
19707         class operands.
19709 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19711         PR target/80057
19712         * config/mips/mips.opt (-mvirt): Update description.
19713         * doc/invoke.texi (-mvirt): Likewise.
19715 2017-04-10  Richard Biener  <rguenther@suse.de>
19717         PR middle-end/80362
19718         * fold-const.c (fold_binary_loc): Look at unstripped ops when
19719         looking for NEGATE_EXPR in -A / -B to A / B folding.
19721 2017-04-10  Martin Liska  <mliska@suse.cz>
19723         PR gcov-profile/80224
19724         * gcov.c (print_usage): Fix usage string.
19725         (get_gcov_intermediate_filename): Remove.
19726         (output_gcov_file): Use both for normal and intermediate format.
19727         (generate_results): Do not initialize special file for
19728         intermediate format.
19730 2017-04-10  Richard Biener  <rguenther@suse.de>
19732         PR tree-optimization/80304
19733         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
19734         for safelen.
19736 2017-04-10  Nathan Sidwell  <nathan@acm.org>
19738         PR target/79905
19739         * config/rs6000/rs6000.c (rs6000_vector_type): New.
19740         (rs6000_init_builtins): Use it.
19742 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19744         * config/arm/arm.md (<mrc>): Add mode to SET source.
19745         (<mrrc>): Likewise.
19747 2017-04-10  Richard Biener  <rguenther@suse.de>
19749         PR middle-end/80344
19750         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
19752 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
19754         PR target/80324
19755         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
19756         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
19757         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
19758         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
19759         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
19760         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
19761         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
19762         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
19763         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
19764         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
19765         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
19766         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
19767         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
19768         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
19769         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
19770         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
19771         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
19772         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
19773         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
19774         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
19775         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
19776         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
19777         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
19779 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
19781         PR rtl-optimization/70478
19782         * lra-constraints.c: Reverse the last patch.
19784 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
19786         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
19787         Add comment for WCHAR_T.
19789 2017-04-08  Martin Liska  <mliska@suse.cz>
19791         Revert:
19792         2017-04-07  Martin Liska  <mliska@suse.cz>
19794         PR ipa/80212
19795         * ipa-split.c (split_function): Add function part to a same comdat
19796         group.
19798 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19800         PR target/80358
19801         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
19803 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
19805         * rs6000/rs6000.c (vec_load_pendulum): Rename...
19806         (vec_pairing): ...to this.
19807         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
19808         (rs6000_sched_init): Adjust for name change.
19809         (struct rs6000_sched_context): Likewise.
19810         (rs6000_init_sched_context): Likewise.
19811         (rs6000_set_sched_context): Likewise.
19813 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
19815         PR target/80322
19816         PR target/80323
19817         PR target/80325
19818         PR target/80326
19819         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
19820         intrinsics.
19821         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
19822         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
19823         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
19825 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
19827         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
19829 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19831         PR rtl-optimization/70703
19832         * ira-color.c (update_conflict_hard_regno_costs): Use
19833         int64_t instead of HOST_WIDE_INT.
19835 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19837         PR rtl-optimization/70478
19838         * lra-constraints.c (process_alt_operands): Disfavor alternative
19839         insn memory operands.
19841 2017-04-07  Jeff Law  <law@redhat.com>
19843         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
19844         CALL and NOTE_INSN_CALL_ARG_LOCATION.
19846 2017-04-07  Martin Liska  <mliska@suse.cz>
19848         PR target/79889
19849         * config/aarch64/aarch64.c (aarch64_process_target_attr):
19850         Show error message instead of an ICE.
19852 2017-04-07  Martin Liska  <mliska@suse.cz>
19854         PR ipa/80212
19855         * ipa-split.c (split_function): Add function part to a same comdat
19856         group.
19858 2017-04-07  Richard Biener  <rguenther@suse.de>
19860         PR middle-end/80341
19861         * tree.c (get_unwidened): Also handle ! for_type case for
19862         INTEGER_CSTs.
19863         * convert.c (do_narrow): Split out from ...
19864         (convert_to_integer_1): ... here.  Do not pass final truncation
19865         type to get_unwidened for TRUNC_DIV_EXPR.
19867 2017-04-07  Richard Biener  <rguenther@suse.de>
19869         * tree-affine.c (wide_int_ext_for_comb): Take type rather
19870         than aff_tree.
19871         (aff_combination_const): Adjust.
19872         (aff_combination_scale): Likewise.
19873         (aff_combination_add_elt): Likewise.
19874         (aff_combination_add_cst): Likewise.
19875         (aff_combination_convert): Likewise.
19876         (add_elt_to_tree): Likewise.  Remove unused argument.
19877         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
19879 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
19881         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
19882         definition.
19883         * config/arm/arm.c (arm_default_short_enums): Use
19884         ARM_DEFAULT_SHORT_ENUMS.
19885         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
19887 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
19889         PR debug/80234
19890         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
19891         members with redundant out-of-class redeclaration.
19893 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19895         PR target/80286
19896         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
19897         * config/i386/i386.md (*zero_extendsidi2):
19898         Add (?*x,*x) and (?*v,*v) alternatives.
19900 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19902         PR target/79733
19903         * config/i386/i386.c (ix86_expand_builtin)
19904         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
19905         mode from insn data. Convert operands to insn operand mode.
19906         Copy operands that don't satisfy insn predicate to a register.
19908 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
19910         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
19911         Update comments.
19913 2017-04-06  Richard Biener  <rguenther@suse.de>
19915         PR tree-optimization/80334
19916         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
19917         preserve alignment of accesses.
19919 2017-04-06  Richard Biener  <rguenther@suse.de>
19921         PR tree-optimization/80262
19922         * tree-sra.c (build_ref_for_offset): Preserve address-space
19923         information.
19924         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
19925         Drop useless address-space information on MEM_REF offsets.
19927 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
19929         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
19931 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19933         PR rtl-optimization/70703
19934         * ira-color.c (update_conflict_hard_regno_costs): Use
19935         HOST_WIDE_INT instead of long.
19937 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
19939         PR target/80298
19940         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
19941         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
19942         is not defined.
19943         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
19944         for x86_64 target.  Handle -m3dnowa option.
19946 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19948         PR rtl-optimization/70703
19949         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
19950         (update_conflict_hard_regno_costs): Use long instead of unsigned
19951         arithmetic for cost calculation.
19953 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19954             Bernd Edlinger  <bernd.edlinger@hotmail.de>
19956         PR sanitizer/80308
19957         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
19958         for big endian.
19960 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
19962         PR target/78002
19963         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
19964         ptr_mode with Pmode throughout.
19965         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
19966         into probe_stack_range and use DImode.
19968 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19970         PR target/79890
19971         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
19972         call_eh_return is true.
19974 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19976         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
19977         Initialize last_match_fntype_index.
19979 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19981         PR target/80310
19982         * tree-nvr.c: Include internal-fn.h.
19983         (pass_return_slot::execute): Ignore internal calls without
19984         direct optab.
19986 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19987             Richard Biener  <rguenther@suse.de>
19989         PR c++/80297
19990         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
19991         captures used multiple times, except for the last use.
19992         * generic-match-head.c: Include gimplify.h.
19994 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19996         PR tree-optimization/79390
19997         * target.h (struct noce_if_info): Declare.
19998         * targhooks.h (default_noce_conversion_profitable_p): Declare.
19999         * target.def (noce_conversion_profitable_p): New target hook.
20000         * ifcvt.h (struct noce_if_info): New type, moved from ...
20001         * ifcvt.c (struct noce_if_info): ... here.
20002         (noce_conversion_profitable_p): Renamed to ...
20003         (default_noce_conversion_profitable_p): ... this.  No longer
20004         static nor inline.
20005         (noce_try_store_flag_constants, noce_try_addcc,
20006         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
20007         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
20008         instead of noce_conversion_profitable_p.
20009         * config/i386/i386.c: Include ifcvt.h.
20010         (ix86_option_override_internal): Don't override
20011         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
20012         (ix86_noce_conversion_profitable_p): New function.
20013         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
20014         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
20015         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
20016         * doc/tm.texi: Regenerated.
20018 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20020         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
20021         correction.
20023 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
20025         PR target/80307
20026         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
20027         instructions for small multiply cores.
20029 2017-04-04  Jeff Law  <law@redhat.com>
20031         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
20032         added member.
20033         (mips_expand_vec_perm_const): Initialize elements in orig_perm
20034         that are not set by the loop over the elements.
20036 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
20038         PR target/80286
20039         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
20040         int mode, convert_modes it to mode as unsigned, otherwise use
20041         lowpart_subreg to mode rather than SImode.
20042         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
20043         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
20044         Use DImode instead of SImode for the shift count operand.
20045         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
20046         Likewise.
20048 2017-04-04  Richard Biener  <rguenther@suse.de>
20050         PR middle-end/80281
20051         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
20052         arithmetic done for the negate or the plus.  Simplify.
20053         (A - (-B) -> A + B): Likewise.
20054         * fold-const.c (split_tree): Make sure to not negate pointers.
20056 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
20058         PR rtl-optimization/60818
20059         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
20060         a compare of comparisons with the thing compared if this results
20061         in a different machine mode.
20063 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
20065         * alias.c (base_alias_check): Fix typo in comment.
20066         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
20067         * cgraphunit.c (symbol_table::compile): Likewise.
20068         * collect2.c (maybe_run_lto_and_relink): Likewise.
20069         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
20070         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
20071         * config/avr/avr.c (avr_map_op_t): Likewise.
20072         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
20073         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
20074         * config/epiphany/epiphany.md (movcc): Likewise.
20075         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
20076         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
20077         Likewise.
20078         * config/mips/mips.c (mips_save_restore_reg): Likewise.
20079         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
20080         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
20081         * config/sh/sh.c (sh_rtx_costs): Likewise.
20082         * fold-const.c (fold_truth_andor): Likewise.
20083         * genautomata.c (collapse_flag): Likewise.
20084         * gengtype.h (struct type::u::s): Likewise.
20085         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
20086         * input.c (FORMAT_AMOUNT): Likewise.
20087         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
20088         (known_aggs_to_agg_replacement_list): Likewise.
20089         * ipa-inline-analysis.c: Likewise.
20090         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
20091         * ipa-polymorphic-call.c
20092         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
20093         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
20094         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
20095         Likewise.
20096         * modulo-sched.c (apply_reg_moves): Likewise.
20097         * omp-expand.c (build_omp_regions_1): Likewise.
20098         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
20099         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
20100         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
20101         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
20102         * value-prof.c: Likewise.
20103         * var-tracking.c (val_reset): Likewise.
20105 2017-04-03  Richard Biener  <rguenther@suse.de>
20107         PR tree-optimization/80275
20108         * fold-const.c (split_address_to_core_and_offset): Handle
20109         POINTER_PLUS_EXPR.
20111 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
20113         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
20114         descriptors is at least equal to that of functions.
20116 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
20118         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
20120 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
20122         PR target/80250
20123         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
20124         (mov<IMOD4:mode>): New expander.
20125         (*mov<IMOD4:mode>_internal): New insn and split pattern.
20127 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
20129         PR rtl-optimization/79405
20130         * fwprop.c (propagations_left): New variable.
20131         (forward_propagate_into): Decrement it.
20132         (fwprop_init): Initialize it.
20133         (fw_prop): If the variable has reached zero, stop propagating.
20134         (fwprop_addr): Ditto.
20136 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
20138         PR debug/79255
20139         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
20140         a FUNCTION_DECL, pass it as decl instead of origin to
20141         process_scope_var.
20143 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
20145         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
20146         string.
20148 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
20150         PR target/80107
20151         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
20152         TARGET_VSX_SMALL_INTEGER.
20154 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20156         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
20157         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
20159 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
20161         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
20162         extraction from odd-numbered MSA register.
20164 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
20166         PR middle-end/80173
20167         * expmed.c (store_bit_field_1): Don't attempt to create
20168         a word subreg out of hard registers wider than word if they
20169         have HARD_REGNO_NREGS of 1 for their mode.
20171         PR middle-end/80163
20172         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
20173         conversions to integer types wider than word and pointer.
20175         PR debug/80025
20176         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
20177         (rtx_equal_for_cselib_p): Pass 0 to it.
20178         * cselib.c (cselib_hasher::equal): Likewise.
20179         (rtx_equal_for_cselib_1): Add depth argument.  If depth
20180         is 128, don't look up VALUE locs and punt.  Increment
20181         depth in recursive calls when walking VALUE locs.
20183 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
20185         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
20186         (make_gcov_file_name): Use the canonical path name for generating
20187         the MD5 value.
20188         (read_line): Fix handling of files with ascii null bytes.
20190 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
20192         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
20193         to initialise a vector register instead
20194         of using a const_int.
20196 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
20198         PR translation/80189
20199         * gimplify.c (omp_default_clause): Use %qs instead of %s in
20200         diagnostic messages.
20202 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
20204         PR target/80246
20205         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
20206         (dfp_diex_<mode>): Update mode of operand 1.
20207         * doc/extend.texi (dxex, dxexq): Document change to return type.
20208         (diex, diexq): Document change to argument type.
20210 2017-03-30  Martin Jambor  <mjambor@suse.cz>
20212         PR ipa/77333
20213         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
20214         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
20215         it reflects the signature changes performed at the callee side.
20216         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
20217         to cgraph_build_function_type_skip_args.
20218         (build_function_decl_skip_args): Adjust call to the above function.
20220 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
20222         PR target/80206
20223         * config/i386/sse.md
20224         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
20225         register as dest whenever it is a MEM not rtx_equal_p to the
20226         corresponding dup operand, and when forcing into reg move the
20227         reg into the memory afterwards.
20228         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
20229         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
20230         for the force_reg mode.
20231         (avx512vl_vextractf128<mode>): Use register as dest either
20232         always when a MEM, or when it is a MEM not rtx_equal_p to the
20233         corresponding dup operand, or even not when it is a CONST_VECTOR
20234         depending on the mode and lo vs. hi.
20235         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
20236         parens.
20237         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
20238         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
20239         Likewise.  Require that operands[2] is even.
20240         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
20241         Remove extraneous parens.  Require that operands[2] is a multiple
20242         of 4.
20243         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
20244         operands[0] is a MEM if <mask_applied>, the predicates/constraints
20245         disallow memory then.
20247 2017-03-30  Richard Biener  <rguenther@suse.de>
20249         PR tree-optimization/77498
20250         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
20251         to non-constants over backedges.
20253 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
20255         PR rtl-optimization/80233
20256         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
20257         as last_combined_insn.  Do not test for BARRIER_P separately.
20259 2017-03-29  Andreas Schwab  <schwab@suse.de>
20261         PR ada/80146
20262         * calls.c (prepare_call_address): Convert funexp to Pmode before
20263         copying to temp reg.
20265 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20267         PR tree-optimization/80158
20268         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
20269         Handle possible future case of more than one alternate
20270         interpretation.
20271         (replace_rhs_if_not_dup): Likewise.
20272         (replace_one_candidate): Likewise.
20274 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
20276         PR rtl-optimization/80193
20277         * ira.c (ira): Do not check allocation for LRA.
20279 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
20281         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
20282         (nvptx_output_simt_exit): Declare.
20283         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
20284         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
20285         (init_softstack_frame): Move initialization of crtl->is_leaf to...
20286         (nvptx_declare_function_name): ...here.  Emit declaration of local
20287         memory space buffer for omp_simt_enter insn.
20288         (nvptx_output_unisimt_switch): New.
20289         (nvptx_output_softstack_switch): New.
20290         (nvptx_output_simt_enter): New.
20291         (nvptx_output_simt_exit): New.
20292         * config/nvptx/nvptx.h (struct machine_function): New fields
20293         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
20294         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
20295         (UNSPECV_SIMT_EXIT): Ditto.
20296         (omp_simt_enter_insn): New insn.
20297         (omp_simt_enter): New expansion.
20298         (omp_simt_exit): New insn.
20299         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
20301         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
20302         (expand_GOMP_SIMT_ENTER_ALLOC): New.
20303         (expand_GOMP_SIMT_EXIT): New.
20304         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
20305         (GOMP_SIMT_ENTER_ALLOC): Ditto.
20306         (GOMP_SIMT_EXIT): Ditto.
20307         * target-insns.def (omp_simt_enter): New insn.
20308         (omp_simt_exit): Ditto.
20309         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
20310         simt_dlist.
20311         (lower_rec_simd_input_clauses): Implement SIMT privatization.
20312         (lower_rec_input_clauses): Likewise.
20313         (lower_lastprivate_clauses): Handle SIMT privatization.
20315         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
20316         (ompdevlow_adjust_simt_enter): New.
20317         (find_simtpriv_var_op): New.
20318         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
20319         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
20321         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
20322         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
20323         (copy_decl_for_dup_finish): Ditto.
20325         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
20327 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
20329         PR target/53383
20330         * config/i386/i386.c (ix86_option_override_internal): Always
20331         allow -mpreferred-stack-boundary=3 for 64-bit targets.
20333 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
20335         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
20337 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
20339         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
20340         mark new edge's irreducible flag accordign to it.
20341         (vect_do_peeling): Check loop preheader edge's irreducible flag
20342         and pass it to function slpeel_add_loop_guard.
20344 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
20346         PR tree-optimization/80218
20347         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
20348         Update block frequencies and counts.
20350 2017-03-28  Richard Biener  <rguenther@suse.de>
20352         PR tree-optimization/78644
20353         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
20354         of a simplification result we may not use it at all.
20356 2017-03-28  Richard Biener  <rguenther@suse.de>
20358         PR ipa/80205
20359         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
20360         without arguments, generate default definition of a SSA name.
20362 2017-03-28  Richard Biener  <rguenther@suse.de>
20364         PR middle-end/80222
20365         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
20366         TYPE_REF_CAN_ALIAS_ALL references.
20367         * fold-const.c (fold_indirect_ref_1): Likewise.
20369 2017-03-28  Martin Liska  <mliska@suse.cz>
20371         PR ipa/80104
20372         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
20373         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
20375 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
20376             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
20378         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
20379         (EXTRA_SPECS): Define.
20380         (SUBTARGET_EXTRA_SPECS): Likewise.
20381         (SUBTARGET_CPP_SPEC): Likewise.
20382         * config/arc/elf.h (EXTRA_SPECS): Renamed to
20383         SUBTARGET_EXTRA_SPECS.
20384         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
20386 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
20388         * config/arc/simdext.md (vst64_insn): Update pattern.
20389         (vld32wh_insn): Likewise.
20390         (vld32wl_insn): Likewise.
20391         (vld64_insn): Likewise.
20392         (vld32_insn): Likewise.
20394 2017-03-28  Marek Polacek  <polacek@redhat.com>
20396         PR sanitizer/80067
20397         * fold-const.c (fold_comparison): Use protected_set_expr_location
20398         instead of SET_EXPR_LOCATION.
20400 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
20402         * tree.c (add_expr): Avoid name lookup warning.
20404 2017-03-27  Jeff Law  <law@redhat.com>
20406         PR tree-optimization/80216
20407         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
20408         function name.  Limit recursion depth.
20409         (record_temporary_equivalences): Corresponding changes.
20411 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
20413         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
20414         covered first.
20416 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
20418         PR target/80102
20419         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
20420         notes.
20421         * cfgcleanup.c (reg_note_cfa_p): New array.
20422         (insns_have_identical_cfa_notes): New function.
20423         (old_insns_match_p): Don't cross-jump in between /f
20424         and non-/f instructions.  If both i1 and i2 are frame related,
20425         verify all CFA notes, their order and content.
20427 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
20429         PR target/78543
20430         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
20431         HImode and SImode with zero extend to DImode to one insn.
20432         (bswap<mode>2_extenddi): Likewise.
20433         (bswapsi2_extenddi): Likewise.
20434         (bswaphi2_extendsi): Likewise.
20435         (bswaphi2): Combine bswap HImode and SImode into one insn.
20436         Separate memory insns from swapping register.
20437         (bswapsi2): Likewise.
20438         (bswap<mode>2): Likewise.
20439         (bswaphi2_internal): Delete, no longer used.
20440         (bswapsi2_internal): Likewise.
20441         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
20442         store, and gpr<-gpr swap insns.
20443         (bswap<mode>2_store): Likewise.
20444         (bswaphi2_reg): Register only splitter, combine with the splitter.
20445         (bswaphi2 splitter): Likewise.
20446         (bswapsi2_reg): Likewise.
20447         (bswapsi2 splitter): Likewise.
20448         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
20449         the insns into load, store, and register/register insns.
20450         (bswapdi2_ldbrx): Likewise.
20451         (bswapdi2_load): Likewise.
20452         (bswapdi2_store): Likewise.
20453         (bswapdi2_reg): Likewise.
20455 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
20457         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
20458         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
20460 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20462         PR target/80103
20463         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
20464         add comments.
20465         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
20466         special handling for target option conflicts between dform
20467         options (-mpower9-dform, -mpower9-dform-vector,
20468         -mpower9-dform-scalar) and -mno-direct-move.
20470 2017-03-27  Richard Biener  <rguenther@suse.de>
20472         PR tree-optimization/80181
20473         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
20475 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20477         * config/arc/predicates.md (move_double_src_operand): Replace the
20478         call to move_double_src_operand with a call to address_operand.
20480 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20482         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
20483         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
20484         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
20486 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20488         * config/arc/predicates.md (long_immediate_loadstore_operand):
20489         Consider scaled addresses cases.
20491 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20493         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
20494         restored when in interrupt.
20495         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
20496         doesn't have delay slot.
20498 2017-03-27  Richard Biener  <rguenther@suse.de>
20500         PR ipa/79776
20501         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
20502         inlined thunk clones.
20504 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
20506         PR sanitizer/80168
20507         * asan.c (instrument_derefs): Copy over last operand from
20508         original COMPONENT_REF to the new COMPONENT_REF with
20509         DECL_BIT_FIELD_REPRESENTATIVE.
20510         * ubsan.c (instrument_object_size): Likewise.
20512 2017-03-27  Richard Biener  <rguenther@suse.de>
20514         PR tree-optimization/80170
20515         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
20516         sure DR/SCEV didnt fold in constants we do not see when looking
20517         at the reference base alignment.
20519 2017-03-27  Richard Biener  <rguenther@suse.de>
20521         PR middle-end/80171
20522         * gimple-fold.c (fold_ctor_reference): Properly guard against
20523         NULL return value from canonicalize_constructor_val.
20525 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
20527         PR target/80180
20528         * config/i386/i386.c (ix86_expand_builtin)
20529         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
20530         flags reg setting and flags reg using instructions.
20531         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
20532         clobbering instructions to zero extend op2.
20534 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
20536         * doc/install.texi (Configuration) <--with-aix-soname>:
20537         Update link to AIX ld.
20539 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
20541         PR rtl-optimization/80160
20542         PR rtl-optimization/80159
20543         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
20544         reg_alternate_class into account.
20546 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
20548         PR target/80148
20549         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
20550         to consider in curr_insn_transform.
20552 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
20554         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
20555         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
20556         and emit_mode_inner.
20558 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20560         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
20561         argument to the overloaded builtin variants.  Use the new flag to
20562         deprecate certain builtin variants.
20563         * config/s390/s390-builtin-types.def: Add new builtin types.
20564         * config/s390/s390-builtins.h: Support new flags field for
20565         overloaded builtins.
20566         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
20567         (s390_macro_to_expand): Enable vector float data type.
20568         (s390_cpu_cpp_builtins_internal): Indicate support of the new
20569         builtins by incrementing the __VEC__ version number.
20570         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
20571         vec_xst.
20572         (s390_resolve_overloaded_builtin): Emit error messages depending
20573         on the builtin flags.
20574         * config/s390/s390.c (s390_expand_builtin): Support additional
20575         flags argument.  Change error message to match the messages
20576         emitted in s390-c.c.
20577         * config/s390/s390.md: New UNSPEC_* constants.
20578         (op_type): Add new instruction types.
20579         * config/s390/vecintrin.h: Add new builtins and test data class
20580         constants.
20581         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
20582         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
20583         (VEC_INEXACT, VEC_NOINEXACT): New constants.
20584         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
20585         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
20586         ("vec_mergel<mode>"): V_HW -> VEC_HW.
20588         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
20589         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
20590         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
20591         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
20593         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
20594         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
20595         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
20596         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
20598         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
20599         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
20600         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
20601         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
20602         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
20603         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
20604         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
20606         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
20607         ("vec_scatter_element<V_HW_4:mode>_DI")
20608         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
20609         ("vec_fpint<mode>", "vflls")
20610         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
20611         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
20612         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
20613         ("*vec_cmphe<mode>_cc"): ... these.
20615         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
20616         mode constant instead of magic value.
20618 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20620         * config/s390/s390.c (s390_expand_vec_compare): Support other
20621         vector floating point modes than just V2DF.
20622         (s390_expand_vcond): Likewise.
20623         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
20624         (s390_cannot_change_mode_class): Prevent mode changes between TF
20625         and V1TF in vector registers.
20626         * config/s390/s390.md (DF, SF): New mode attributes.
20627         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
20628         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
20629         SFmode support for VRs.
20630         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
20631         vector fp modes.
20632         (VFT, VF_HW): New mode iterators.
20633         (vw, sdx): New mode attributes.
20634         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
20635         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
20636         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
20637         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
20638         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
20639         also the new vector floating point modes.  Renaming to ...
20641         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
20642         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
20643         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
20644         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
20645         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
20646         ("vec_unordered<mode>"): ... these.
20648         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
20649         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
20650         ("*vec_extendv2df"): New insn definitions.
20652 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20654         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
20655         ("mulditi3_2", "*muldi3_sign"): New patterns.
20656         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
20657         rename the pattern definition.
20659 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20661         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
20662         expander.
20663         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
20665 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20667         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
20668         instruction if possible.
20669         * config/s390/vector.md (vec_halfnumelts): New mode
20670         attribute.
20671         ("*vec_vllezlf<mode>"): New pattern.
20673 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20675         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
20676         ("popcountv4si2", "popcountv2di2"): Rename to ...
20677         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
20678         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
20679         condition.
20680         ("popcount<mode>2_vxe"): New pattern.
20682 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20684         * common/config/s390/s390-common.c (processor_flags_table): Add
20685         arch12.
20686         * config.gcc: Add arch12.
20687         * config/s390/driver-native.c (s390_host_detect_local_cpu):
20688         Default to arch12 for unknown CPU model numbers.
20689         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
20690         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
20691         PROCESSOR_max sanity check.
20692         * config/s390/s390-opts.h (enum processor_type): Add
20693         PROCESSOR_ARCH12.
20694         * config/s390/s390.c (processor_table): Add arch12.
20695         (s390_expand_builtin): Add check for B_VXE flag.
20696         (s390_issue_rate): Add PROCESSOR_ARCH12.
20697         (s390_get_sched_attrmask): Likewise.
20698         (s390_get_unit_mask): Likewise.
20699         (s390_sched_score): Enable z13 scheduling for arch12.
20700         (s390_sched_reorder): Likewise.
20701         (s390_sched_variable_issue): Likewise.
20702         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
20703         PF_VXE.
20704         (s390_tune_attr): Use z13 scheduling also for arch12.
20705         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
20706         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
20707         (TARGET_VXE_P): New macros.
20708         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
20709         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
20710         * config/s390/s390.opt: Add arch12 as processor_type.
20712 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20714         * config/s390/s390.md
20715         ("fixuns_truncdddi2", "fixuns_trunctddi2")
20716         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
20717         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
20719         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
20720         Rename expanders to ...
20722         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
20723         ("fixuns_truncdddi2_emu"): ... these.
20725         ("fixuns_trunc<mode>si2_emu"): New expander.
20727         ("*fixuns_truncdfdi2_z13"): Rename to ...
20728         ("*fixuns_truncdfdi2_vx"): ... this.
20730 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20732         * config/s390/2964.md: Remove the single element vector compare
20733         instructions which are no longer used.
20734         * config/s390/s390.c (s390_select_ccmode): Remove handling of
20735         vector CCmodes.
20736         (s390_canonicalize_comparison): Remove handling of DFmode
20737         compares.
20738         (s390_expand_vec_compare_scalar): Remove function.
20739         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
20740         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
20741         pattern.
20742         ("*cmp<mode>_ccs"): Add wfcdb instruction.
20744 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20746         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
20747         FP zero.
20748         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
20749         will anyway by matched by mov<mode>_64dfp.
20751 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20753         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
20754         vlef/vstef.  Add missing operand to vleif.
20756 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20758         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
20759         pair for all vector types with 64 bit elements.
20760         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
20761         * config/s390/vector.md (V_HW_64): ... here.
20762         (V_128_NOSINGLE): New mode iterator.
20763         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
20764         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
20765         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
20766         ("*vec_load_pairv2di"): Change to ...
20767         ("*vec_load_pair<mode>"): ... this one.
20769 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20771         * config/s390/constraints.md: Add comments.
20772         (jKK): Reject element sizes > 8 bytes.
20773         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
20774         s_operands.
20775         * config/s390/s390.md: Add the s_operand checks formerly in
20776         s390_split_ok_p to various splitters where they are still
20777         required.
20778         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
20779         for 128 bit vectors.  Plus two splitters.
20781 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20783         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
20784         the file.
20786 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20788         PR target/79893
20789         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
20790         error if the boundary argument is not constant.
20792 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
20794         PR rtl-optimization/80112
20795         * loop-doloop.c (doloop_condition_get): Don't check condition
20796         if cmp isn't SET with IF_THEN_ELSE src.
20798 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20800         PR tree-optimization/80158
20801         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
20802         replacing a candidate statement, also replace it for the
20803         candidate's alternate interpretation.
20804         (replace_rhs_if_not_dup): Likewise.
20805         (replace_one_candidate): Likewise.
20807 2017-03-24  Richard Biener  <rguenther@suse.de>
20809         PR tree-optimization/80167
20810         * graphite-isl-ast-to-gimple.c
20811         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
20812         properly.
20813         (translate_isl_ast_to_gimple::get_rename): Likewise.
20815 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20817         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
20818         handling of certain combinations of target options, including the
20819         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
20820         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
20822 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20824         PR target/71436
20825         * config/arm/arm.md (*load_multiple): Add reload_completed to
20826         matching condition.
20828 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20829             Richard Biener  <rguenth@suse.de>
20831         PR tree-optimization/79908
20832         PR tree-optimization/80136
20833         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
20834         been cast away, gimplify_and_add suffices.
20836 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
20838         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
20840 2017-03-23  Richard Biener  <rguenther@suse.de>
20842         PR tree-optimization/80032
20843         * gimplify.c (gimple_push_cleanup): Forced unconditional
20844         cleanups still have to go to the conditional_cleanups
20845         sequence.
20847 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
20849         PR tree-optimization/80072
20850         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
20851         to unsigned int.
20852         (next_operand_entry_id): Change type to unsigned int.
20853         (sort_by_operand_rank): Make sure to return the right return value
20854         even if unsigned fields are bigger than INT_MAX.
20855         (struct oecount): Change cnt and id type to unsigned int.
20856         (oecount_hasher::equal): Formatting fix.
20857         (oecount_cmp): Make sure to return the right return value
20858         even if unsigned fields are bigger than INT_MAX.
20859         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
20861         PR c++/80129
20862         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
20863         TREE_READONLY on result if writing it more than once.
20865         PR sanitizer/80110
20866         * doc/invoke.texi (-fsanitize=thread): Document that with
20867         -fnon-call-exceptions atomics are not able to throw
20868         exceptions.
20870         PR sanitizer/80110
20871         * tsan.c: Include tree-eh.h.
20872         (instrument_builtin_call): Call maybe_clean_eh_stmt or
20873         maybe_clean_or_replace_eh_stmt where needed.
20874         (instrument_memory_accesses): Add cfg_changed argument.
20875         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
20876         if it returned true.
20877         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
20879         PR rtl-optimization/63191
20880         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
20881         wrapper function, moved the whole old content into ...
20882         (ix86_delegitimize_address_1): ... this.  New inline function.
20883         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
20884         true as last argument instead of ix86_delegitimize_address.
20886 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20888         * config/aarch64/aarch64.c (generic_branch_cost): Copy
20889         cortexa57_branch_cost.
20891 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20893         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
20895 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20897         PR target/80123
20898         * doc/md.texi (Constraints): Document wA constraint.
20899         * config/rs6000/constraints.md (wA): New.
20900         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
20901         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
20902         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
20903         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
20905 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
20907         PR c++/80029
20908         * gimplify.c (is_oacc_declared): New function.
20909         (oacc_default_clause): Use it to set default flags for acc declared
20910         variables inside parallel regions.
20911         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
20912         declared variables.
20913         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
20914         declare attribute to any decl as necessary.
20916 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
20918         PR target/80082
20919         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
20920         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
20921         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
20922         (arm_arch_lpae): This.
20923         * config/arm/arm.c (arm_arch7ve): Rename into ...
20924         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
20925         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
20926         arm_arch_lpae.
20928 2017-03-22  Martin Liska  <mliska@suse.cz>
20930         PR target/79906
20931         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
20932         error message instead of an ICE.
20934 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20936         * doc/extend.texi (6.11 Additional Floating Types): Revise.
20938 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20940         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20941         comments.
20942         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
20943         comments.
20945 2017-03-21  Martin Sebor  <msebor@redhat.com>
20947         * doc/extend.texi: Use "cannot" instead of "can't."
20948         * doc/hostconfig.texi: Same.
20949         * doc/install.texi: Same.
20950         * doc/invoke.texi: Same.
20951         * doc/loop.texi: Same.
20952         * doc/md.texi: Same.
20953         * doc/objc.texi: Same.
20954         * doc/rtl.texi: Same.
20955         * doc/tm.texi: Same.
20956         * doc/tm.texi.in: Same.
20957         * doc/trouble.texi: Same.
20959 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
20961         PR debug/63238
20962         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
20963         (collect_checksum_attributes): Set it.
20964         (die_checksum_ordered): Use it.
20966 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20968         PR tree-optimization/79908
20969         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
20970         change: For a VA_ARG whose LHS has been cast away, use
20971         force_gimple_operand to construct the side effects.
20973 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
20975         PR translation/80001
20976         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
20977         more amenable to translation.
20978         (oacc_loop_auto_partitions): Likewise.
20980 2017-03-21  Marek Polacek  <polacek@redhat.com>
20981             Martin Sebor  <msebor@redhat.com>
20983         PR tree-optimization/80109
20984         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
20985         on INTEGRAL_TYPE_P.
20987 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
20988             Segher Boessenkool  <segher@kernel.crashing.org>
20990         PR target/80125
20991         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
20992         check reg_used_between_p between insn and one of succ or succ2
20993         depending on if succ is artificial insn not inserted into insn
20994         stream.
20996 2017-03-21  Martin Liska  <mliska@suse.cz>
20998         PR gcov-profile/80081
20999         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
21000         * doc/gcc.texi: Include gcov-dump stuff.
21001         * doc/gcov-dump.texi: New file.
21003 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
21005         PR rtl-optimization/79150
21006         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
21007         conditional jump, if the jump is the last insn of the loop.
21009 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21010             Richard Biener  <rguenth@suse.de>
21012         PR tree-optimization/79908
21013         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
21014         been cast away, use force_gimple_operand to construct the side
21015         effects.
21017 2017-03-21  Martin Liska  <mliska@suse.cz>
21019         PR libfortran/79956
21020         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
21021         to NULL.
21023 2017-03-21  Brad Spengler <spender@grsecurity.net>
21025         PR plugins/80094
21026         * plugin.c (htab_hash_plugin): New function.
21027         (add_new_plugin): Use it and adjust.
21028         (parse_plugin_arg_opt): Adjust.
21029         (init_one_plugin): Likewise.
21031 2017-03-21  Richard Biener  <rguenther@suse.de>
21033         PR tree-optimization/80032
21034         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
21035         if set force the cleanup to happen unconditionally.
21036         (gimplify_target_expr): Push inserted clobbers with force_uncond
21037         to avoid them being removed by control-dependent DCE.
21039 2017-03-21  Richard Biener  <rguenther@suse.de>
21041         PR tree-optimization/80122
21042         * tree-inline.c (copy_bb): Do not expans va-arg packs or
21043         va_arg_pack_len when the inlined call stmt requires pack
21044         expansion itself.
21045         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
21047 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
21049         PR sanitizer/78158
21050         * tsan.c (instrument_builtin_call): If the memory model argument
21051         is not a constant, assume it is valid.
21053         PR c/67338
21054         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
21055         avoid UB.
21057 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
21059         PR rtl-optimization/79910
21060         * combine.c (can_combine_p): Do not allow combining an I0 or I1
21061         if its dest is used by an insn before I2 (other than the combined
21062         insns themselves, which are properly handled already).
21064 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
21066         Revert:
21067         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
21069         * combine.c (record_used_regs): New static function.
21070         (try_combine): Handle situations where there is an additional
21071         instruction between I2 and I3 which needs to have a LOG_LINK
21072         updated.
21074         Revert:
21075         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
21077         * combine.c (try_combine): Delete redundant i1 test.  Call
21078         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
21080 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21082         PR target/80083
21083         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
21084         alternatives 13/14.
21086 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21088         PR tree-optimization/80054
21089         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
21090         the optimization if a PHI or any of its arguments is not dominated
21091         by the candidate's basis.  Use gphi* rather than gimple* as
21092         appropriate.
21093         (replace_profitable_candidates): Clean up a gimple* variable that
21094         should be a gphi* variable.
21096 2017-03-20  Martin Sebor  <msebor@redhat.com>
21098         PR c++/52477
21099         * doc/extend.texi (attribute constructor): Document present limitation.
21101 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21103         PR target/79963
21104         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
21105         __POWER9_VECTOR__ #ifdef control, change template definition to
21106         use Power9-specific built-in function.
21107         (vec_any_eq): Likewise.
21108         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
21109         to control outcomes from this test.
21110         (vector_ae_<mode>p): For VEC_F modes, likewise.
21112 2017-03-20  Ian Lance Taylor  <iant@google.com>
21114         * config/i386/i386.c (ix86_function_regparm): Save an extra
21115         register for -fsplit-stack with DECL_STATIC_CHAIN.
21117 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
21119         PR target/79912
21120         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
21121         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
21123 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
21125         * config/riscv/riscv.c (riscv_print_operand): Use "fence
21126         iorw,ow".
21127         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
21128         iorw,iorw".
21130 2017-03-20  Marek Polacek  <polacek@redhat.com>
21132         PR sanitizer/80063
21133         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
21135 2017-03-20  Richard Biener  <rguenther@suse.de>
21137         PR tree-optimization/80113
21138         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
21139         allocate extra SSA name for PHI def.
21140         (add_close_phis_to_outer_loops): Likewise.
21141         (add_close_phis_to_merge_points): Likewise.
21142         (copy_loop_close_phi_args): Likewise.
21143         (copy_cond_phi_nodes): Likewise.
21145 2017-03-20  Martin Liska  <mliska@suse.cz>
21147         PR middle-end/79753
21148         * tree-chkp.c (chkp_build_returned_bound): Do not build
21149         returned bounds for a LHS that's not a BOUNDED_P type.
21151 2017-03-20  Martin Liska  <mliska@suse.cz>
21153         PR target/79769
21154         PR target/79770
21155         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
21156         COMPLEX_CST and VECTOR_CST.
21158 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21160         PR target/78857
21161         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
21162         target operand.  A new splitter adds the clobber statement in case
21163         the target operand is dead anyway.
21165 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
21167         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
21168         to age-old versions of binutils and glibc.
21170 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
21172         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
21174 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
21176         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
21178 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
21180         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
21181         requirement for binutils 2.13.
21183 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
21185         * combine.c (try_combine): Delete redundant i1 test.  Call
21186         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
21188 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
21190         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
21191         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
21192         contents.
21193         <riscv64-*-elf>: Re-arrange section
21194         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
21195         <riscv32-*-linux>: Likewise.
21196         <riscv64-*-elf>: Likewise
21197         <riscv64-*-linux>: Likewise.
21199 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
21201         PR target/80052
21202         * aarch64.opt(verbose-cost-dump): Fix typo.
21204 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
21206         PR target/79951
21207         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
21208         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
21210 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
21212         * reload.c (find_reloads): When reloading a nonoffsettable address,
21213         use RELOAD_OTHER for it and its address reloads.
21215         PR rtl-optimization/79910
21216         * combine.c (record_used_regs): New static function.
21217         (try_combine): Handle situations where there is an additional
21218         instruction between I2 and I3 which needs to have a LOG_LINK
21219         updated.
21221 2017-03-17  Jeff Law  <law@redhat.com>
21223         PR tree-optimization/71437
21224         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
21225         conditional in the hash table first.
21226         (vrp_dom_walker::before_dom_children): Extract condition from
21227         ASSERT_EXPR.  Record condition, its inverion and any implied
21228         conditions as well.
21230 2017-03-17  Marek Polacek  <polacek@redhat.com>
21231             Markus Trippelsdorf  <markus@trippelsdorf.de>
21233         PR tree-optimization/80079
21234         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
21235         m_stores_head.
21237 2017-03-17  Richard Biener  <rguenther@suse.de>
21239         PR middle-end/80075
21240         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
21241         Properly verify the LHS before the RHS possibly claims to be
21242         handled.
21243         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
21244         do not throw.
21246 2017-03-17  Martin Jambor  <mjambor@suse.cz>
21248         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
21249         (List of -O2 options): Likewise.
21250         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
21251         (-fipa-vrp) New.
21253 2017-03-17  Tom de Vries  <tom@codesourcery.com>
21255         * gcov-dump.c (print_usage): Print bug_report_url.
21257 2017-03-17  Richard Biener  <rguenther@suse.de>
21259         PR middle-end/80050
21260         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
21261         (parser::peek): Likewise.
21263 2017-03-17  Richard Biener  <rguenther@suse.de>
21265         PR tree-optimization/80048
21266         * sese.c (free_sese_info): Properly release rename_map and
21267         copied_bb_map elements.
21269 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
21271         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
21272         Add linked-list forward and backlinks.  Insert on
21273         construction, remove on destruction.
21274         (class pass_store_merging): Add m_stores_head field.
21275         (pass_store_merging::terminate_and_process_all_chains):
21276         Iterate over m_stores_head list.
21277         (pass_store_merging::terminate_all_aliasing_chains):
21278         Likewise.
21279         (pass_store_merging::execute): Check for debug stmts first.
21280         Push new chains onto the m_stores_head stack.
21282 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
21284         PR target/71294
21285         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
21286         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
21287         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
21289 2017-03-16  Jeff Law  <law@redhat.com>
21291         PR tree-optimization/71437
21292         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
21293         member function.  Implementation moved into after_dom_children
21294         member function and into the threader's thread_outgoing_edges
21295         function.
21296         (dom_opt_dom_walker::after_dom_children): Simplify by moving
21297         some code into new thread_outgoing_edges.
21298         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
21299         definition.  Simplify marker handling (do it here).   Assume we always
21300         have the available expression and the const/copies tables.
21301         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
21302         and tree-vrp.c
21303         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
21304         * tree-vrp.c (equiv_stack): No longer file scoped.
21305         (vrp_dom_walker): New class.
21306         (vrp_dom_walker::before_dom_children): New member function.
21307         (vrp_dom_walker::after_dom_children): Likewise.
21308         (identify_jump_threads):  Setup domwalker.  Use it rather than
21309         walking edges in a random order by hand.  Simplify setup/finalization.
21310         (finalize_jump_threads): Remove.
21311         (vrp_finalize): Do not call identify_jump_threads here.
21312         (execute_vrp): Do it here instead and call thread_through_all_blocks
21313         here too.
21315         PR tree-optimization/71437
21316         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
21317         callers changed.
21318         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
21319         callers changed.
21320         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
21321         (dom_opt_dom_walker::thread_across_edge): Remove
21322         handle_dominating_asserts argument.  All callers changed.
21323         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
21324         changes.  Remove calls to lhs_of_dominating_assert.  Other
21325         uses of handle_dominating_asserts turn into unconditional code
21326         (simplify_control_stmt_condition_1): Likewise.
21327         (simplify_control_stmt_condition): Likewise.
21328         (thread_through_normal_block, thread_across_edge): Likewise.
21329         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
21330         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
21331         object if it is not an SSA_NAME.
21332         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
21333         before calling into the VRP specific simplifiers.
21334         (identify_jump_threads): Remove handle_dominating_asserts
21335         argument.
21337 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
21339         PR fortran/79886
21340         * tree-diagnostic.c (default_tree_printer): No longer static.
21341         * tree-diagnostic.h (default_tree_printer): New prototype.
21343 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
21345         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
21346         Change ins into fmov.
21348 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21350         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
21351         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
21352         Use h_con constraint for operand 1.
21353         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
21354         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
21356 2017-03-15  Jeff Law  <law@redhat.com>
21358         PR tree-optimization/71437
21359         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
21360         (record_temporary_equivalences): Use it.
21362         PR tree-optimization/71437
21363         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
21364         tree-ssa-scopedtables.
21365         (lookup_avail_expr, build_and_record_new_cond): Likewise.
21366         (record_conditions, record_cond, vuse_eq): Likewise.
21367         (record_edge_info): Adjust to API tweak of record_conditions.
21368         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
21369         (record_temporary_equivalences, optimize_stmt): Likewise.
21370         (eliminate_redundant_computations): Likewise.
21371         (record_equivalences_from_stmt): Likewise.
21372         * tree-ssa-scopedtables.c: Include options.h and params.h.
21373         (vuse_eq): New function, moved from tree-ssa-dom.c
21374         (build_and_record_new_cond): Likewise.
21375         (record_conditions): Likewise.  Accept vector of conditions rather
21376         than edge_equivalence structure for first argument.
21377         for the first argument.
21378         (avail_exprs_stack::lookup_avail_expr): New member function, moved
21379         from tree-ssa-dom.c.
21380         (avail_exprs_stack::record_cond): Likewise.
21381         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
21382         from tree-ssa-dom.c.
21383         (avail_exprs_stack): Add new member functions lookup_avail_expr
21384         and record_cond.
21385         (record_conditions): Declare.
21387 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
21389         PR target/80017
21390         * lra-constraints.c (process_alt_operands): Increase reject for
21391         reloading an input/output operand.
21393 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
21395         PR target/79038
21396         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
21397         insns to convert from signed/unsigned char/short to IEEE 128-bit
21398         floating point.
21399         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
21401 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
21403         PR target/80019
21404         * config/i386/i386.c (ix86_vector_duplicate_value): Create
21405         subreg of inner mode for values already in registers.
21407 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
21409         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
21410         iteration reg is used after the loop.
21412 2017-03-14  Martin Sebor  <msebor@redhat.com>
21414         PR tree-optimization/79800
21415         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
21416         precision in negative-positive range.
21417         (format_floating): Call non-const overload with adjusted precision.
21419 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
21421         PR target/79947
21422         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
21423         -mpowerpc-gfxopt.
21425 2017-03-14  Martin Sebor  <msebor@redhat.com>
21427         PR middle-end/80020
21428         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
21429         * builtins.def (aligned_alloc): Use it.
21431         PR c/79936
21432         * Makefile.in (GTFILES): Add calls.c.
21433         * calls.c: Include "gt-calls.h".
21435 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
21437         PR rtl-optimization/79728
21438         * regs.h (struct target_regs): New field
21439         x_contains_allocatable_regs_of_mode.
21440         (contains_allocatable_regs_of_mode): New macro.
21441         * reginfo.c (init_reg_sets_1): Initialize it, and change
21442         contains_reg_of_mode so it includes global regs as well.
21443         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
21444         rather than contains_regs_of_mode.
21446 2017-03-14  Martin Liska  <mliska@suse.cz>
21448         * doc/invoke.texi: Document options that can't be combined with
21449         -fcheck-pointer-bounds.
21451 2017-03-14  Martin Liska  <mliska@suse.cz>
21453         PR middle-end/79831
21454         * doc/invoke.texi (-Wchkp): Document the option.
21456 2017-03-14  Martin Liska  <mliska@suse.cz>
21458         * Makefile.in: Install gcov-dump.
21460 2017-03-14  Martin Liska  <mliska@suse.cz>
21462         * multiple_target.c (expand_target_clones): Bail out for
21463         an invalid attribute.
21465 2017-03-14  Richard Biener  <rguenther@suse.de>
21467         * alias.c (struct alias_set_entry): Pack properly.
21468         * cfgloop.h (struct loop): Likewise.
21469         * cse.c (struct set): Likewise.
21470         * ipa-utils.c (struct searchc_env): Likewise.
21471         * loop-invariant.c (struct invariant): Likewise.
21472         * lra-remat.c (struct cand): Likewise.
21473         * recog.c (struct change_t): Likewise.
21474         * rtl.h (struct address_info): Likewise.
21475         * symbol-summary.h (function_summary): Likewise.
21476         * tree-loop-distribution.c (struct partition): Likewise.
21477         * tree-object-size.c (struct object_size_info): Likewise.
21478         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
21479         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
21480         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
21481         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
21482         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
21483         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
21484         (struct _stmt_vec_info): Likewise.
21486 2017-03-14  Martin Liska  <mliska@suse.cz>
21488         PR target/79892
21489         * multiple_target.c (create_dispatcher_calls): Check that
21490         a target can create a function dispatcher.
21492 2017-03-14  Martin Liska  <mliska@suse.cz>
21494         PR lto/66295
21495         * multiple_target.c (expand_target_clones): Drop local.local
21496         flag for default implementation.
21498 2017-03-14  Richard Biener  <rguenther@suse.de>
21500         PR tree-optimization/80030
21501         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
21503 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
21505         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
21506         gcc_fallthrough() instead of __attribute__((fallthrough));
21508 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
21510         * doc/gcc.texi: Remove "up" link to (DIR).
21511         * doc/gccint.texi: Ditto.
21513 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
21515         * doc/install.texi (Specific) <avr>: Remove reference to
21516         binutils 2.13.
21518 2017-03-13  Jeff Law  <law@redhat.com>
21520         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
21521         attribute rather than comments.
21523         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
21524         match_scratch operand is highest.
21526 2017-03-13  Martin Liska  <mliska@suse.cz>
21528         PR middle-end/78339
21529         * ipa-pure-const.c (warn_function_noreturn): If the declarations
21530         is a CHKP clone, use original declaration.
21532 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21534         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
21535         (arc_conditional_register_usage): Use a different allocation order
21536         when optimizing for size.
21537         * common/config/arc/arc-common.c (arc_option_optimization_table):
21538         Section anchors default on when optimizing for size.
21540 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21542         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
21544 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21546         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
21547         * config/arc/arc.md (cpu_facility): Add cd variant.
21548         (*movqi_insn): Add code density variant.
21549         (*movhi_insn): Likewise.
21550         (*movqi_insn): Likewise.
21551         (*addsi3_mixed): Likewise.
21552         (subsi3_insn): Likewise.
21554 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21556         * config/arc/arc.md (movsi_cond_exec): Update constraint.
21558 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21560         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
21561         expressions with MINUS and UNARY ops.
21563 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21565         PR target/79911
21566         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
21567         Rename to...
21568         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
21569         between vec_select and vector argument.
21570         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
21571         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
21572         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
21573         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
21574         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
21575         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
21577 2017-03-13  Richard Biener  <rguenther@suse.de>
21579         PR other/79991
21580         * params.def (vect-max-peeling-for-alignment): Fix typo.
21582 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21584         * doc/install.texi (Specific) <mips-*-*>: Remove description of
21585         issue that only occurred with binutils below 2.18.
21587 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21589         * doc/install.texi (Specific) <cris-axis-elf>: No longer
21590         refer to binutils 2.11/2.12 minimum.
21592 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21594         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
21595         ftp.kernel.org and simplify binutils requirement.
21597 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
21599         * doc/invoke.texi (Warning Options): Fix spelling of link-time
21600         optimization.
21601         (Optimize Options): Ditto.  Also remove redundancy.
21603 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21605         PR translation/79848
21606         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
21607         "%qs".
21608         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
21609         to G_ to avoid double translation.
21611 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21613         PR translation/79923
21614         * auto-profile.c (get_combined_location): Convert leading
21615         character of diagnostics to lower case and remove trailing period.
21616         (read_profile): Likewise for various diagnostics.
21617         * config/arm/arm.c (arm_option_override): Remove trailing period
21618         from various diagnostics.
21619         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
21620         (msp430_expand_delay_cycles): Likewise.
21622 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21624         PR target/79925
21625         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
21626         full command-line argument, rather than just "str".
21627         (aarch64_validate_march): Likewise.
21628         (aarch64_validate_mtune): Likewise.
21630 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
21632         PR rtl-optimization/78911
21633         * lra-assigns.c (must_not_spill_p): New function.
21634         (spill_for): Use it.
21636 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
21638         PR tree-optimization/79981
21639         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
21640         ATOMIC_COMPARE_EXCHANGE ifn result.
21641         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
21642         IFN_ATOMIC_COMPARE_EXCHANGE.
21644 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21646         PR driver/79875
21647         * opts.c (parse_sanitizer_options): Add missing question mark to
21648         "did you mean" message.
21650 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21652         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
21653         built-in.
21654         (VMULEUH_UNS): Likewise.
21655         (VMULOUB_UNS): Likewise.
21656         (VMULOUH_UNS): Likewise.
21657         * config/rs6000/rs6000.c (builtin_function_type): Remove
21658         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
21660 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21662         PR bootstrap/79952
21663         * read-rtl-function.c (function_reader::read_rtx_operand): Update
21664         x with result of extra_parsing_for_operand_code_0.
21665         (function_reader::extra_parsing_for_operand_code_0): Convert
21666         return type from void to rtx, returning x.  When reading
21667         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
21668         larger size containing struct block_symbol.
21670 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
21672         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
21673         -mfloat128-hardware without -m64.
21675 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
21677         PR target/79941
21678         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
21679         entries to the case statement that marks unsigned arguments to
21680         overloaded functions.
21682 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21684         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
21685         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
21687 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
21689         PR target/79907
21690         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
21691         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
21693 2017-03-10  Martin Liska  <mliska@suse.cz>
21695         PR target/65705
21696         PR target/69804
21697         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
21698         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
21699         FIELD != NULL.
21701 2017-03-10  Olivier Hainque  <hainque@adacore.com>
21703         * tree-switch-conversion (array_value_type): Start by resetting
21704         candidate type to it's main variant.
21706 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
21708         PR rtl-optimization/79909
21709         * combine.c (try_combine): Use simplify_replace_rtx on individual
21710         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
21711         of the whole CALL_INSN_FUNCTION_USAGE.
21713         PR tree-optimization/79972
21714         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
21715         get_range_info on SSA_NAMEs.  Formatting fixes.
21717 2017-03-10  Richard Biener  <rguenther@suse.de>
21718             Jakub Jelinek  <jakub@redhat.com>
21720         PR tree-optimization/77975
21721         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
21722         edge to be constant.
21723         (get_val_for): For constant x return it.  Formatting fix.
21724         (loop_niter_by_eval): Avoid pointless looping if the next iteration
21725         would use the same bases as the current one.
21727 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21729         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
21730         instead of vec_select for V1TImode.
21731         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
21732         longer needed.
21733         (VSX_LE_128): Add V1TI to this mode iterator.
21734         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
21735         (*vsx_le_perm_store_<mode>): Likewise.
21736         (pre-reload splitter for VSX stores): Likewise.
21737         (post-reload splitter for VSX stores): Likewise.
21738         (*vsx_xxpermdi2_le_<mode>): Likewise.
21739         (*vsx_lxvd2x2_le_<mode>): Likewise.
21740         (*vsx_stxvd2x2_le_<mode>): Likewise.
21742 2017-03-09  Michael Eager  <eager@eagercon.com>
21744         Correct failures with --enable-checking=yes,rtl.
21746         * config/microblaze/microblaze.c (microblaze_expand_shift):
21747         Replace GET_CODE test with CONST_INT_P and INTVAL test with
21748         test for const0_rtx.
21749         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
21750         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
21752 2017-03-09  Richard Biener  <rguenther@suse.de>
21754         PR tree-optimization/79977
21755         * graphite-scop-detection.c (scop_detection::merge_sese):
21756         Handle the case of extra exits to blocks dominating the entry.
21758 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
21760         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
21761         Document rdynamic.
21763 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
21765         PR rtl-optimization/79949
21766         * lra-constraints.c (process_alt_operands): Check memory when
21767         trying to predict a cycle.  Print about the overall increase.
21769 2017-03-09  Richard Biener  <rguenther@suse.de>
21771         PR middle-end/79971
21772         * gimple-expr.c (useless_type_conversion_p): Preserve
21773         TYPE_SATURATING for fixed-point types.
21775 2017-03-09  Richard Biener  <rguenther@suse.de>
21777         PR ipa/79970
21778         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
21779         alignment of BLKmode params.
21781 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21783         PR target/79913
21784         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
21785         (VALL_NO_V2Q): Likewise.
21786         (VDQF_DF): Delete.
21787         * config/aarch64/aarch64-simd.md
21788         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
21789         iterator.
21790         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
21791         VALL_NO_V2Q mode iterator.
21792         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
21794 2017-03-09  Martin Liska  <mliska@suse.cz>
21796         PR tree-optimization/79631
21797         * tree-chkp-opt.c (chkp_is_constant_addr): Call
21798         tree_int_cst_sign_bit just for INTEGER constants.
21800 2017-03-09  Martin Liska  <mliska@suse.cz>
21802         PR target/65705
21803         PR target/69804
21804         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
21805         sanitizers.
21807 2017-03-09  Marek Polacek  <polacek@redhat.com>
21809         PR c++/79672
21810         * tree.c (inchash::add_expr): Handle TREE_VEC.
21812 2017-03-09  Martin Liska  <mliska@suse.cz>
21814         PR ipa/79764
21815         (chkp_narrow_size_and_offset): New function.
21816         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
21817         (void chkp_parse_bit_field_ref): New function.
21818         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
21819         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
21821 2017-03-09  Martin Liska  <mliska@suse.cz>
21823         PR ipa/79761
21824         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
21825         (chkp_find_bounds_1): Remove gcc_unreachable.
21827 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
21829         PR sanitizer/79944
21830         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
21831         BUILT_IN_SYNC*, determine the access type from the size suffix and
21832         always build a MEM_REF with that type.  Handle forgotten
21833         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
21835         PR target/79932
21836         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
21837         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
21838         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
21839         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
21840         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
21841         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
21842         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
21843         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
21844         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
21845         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
21846         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
21847         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
21848         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
21849         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
21850         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
21851         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
21852         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
21853         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
21854         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
21855         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
21856         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
21857         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
21858         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
21859         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
21860         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
21861         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
21862         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
21863         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
21864         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
21865         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
21866         definitions outside of __OPTIMIZE__ guarded section.
21868         PR target/79932
21869         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
21870         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
21871         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
21872         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
21873         guarded section.
21875 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21877         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
21878         ("vfenez<mode>"): Add missing constraints.
21880 2017-03-08  Martin Sebor  <msebor@redhat.com>
21882         PR target/79928
21883         * config/nds32/nds32.c (nds32_option_override):
21884         Fix misspelled diagnostic.
21886 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21888         PR c/79940
21889         * gimplify.c (gimplify_omp_for): Replace index var in outer
21890         taskloop statement with an artificial variable and add
21891         OMP_CLAUSE_PRIVATE clause for it.
21893 2017-03-08  Richard Biener  <rguenther@suse.de>
21895         PR tree-optimization/79955
21896         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
21897         for accesses that are completely outside of the variable.
21899 2017-03-08  Andrew Haley  <aph@redhat.com>
21901         PR tree-optimization/79943
21902         * tree-ssa-loop-split.c (compute_new_first_bound): When
21903         calculating the new upper bound, (END-BEG) should be added, not
21904         subtracted.
21906 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21908         * config/avr/avr.md (setmemhi): Make sure match_dup
21909         operand number comes before match_scratch.
21911 2017-03-08  Richard Biener  <rguenther@suse.de>
21913         PR tree-optimization/79920
21914         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
21915         with ncopies == 1 to ...
21916         (vect_transform_slp_perm_load): ... here.  Properly compute
21917         all element loads by iterating VF times over the group.  Do
21918         not handle ncopies (computed in a broken way) in
21919         vect_create_mask_and_perm.
21921 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21923         PR sanitizer/79904
21924         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
21925         is a uniform vector, use uniform_vector_p return value instead of
21926         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
21928 2017-03-07  Marek Polacek  <polacek@redhat.com>
21930         PR middle-end/79809
21931         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
21932         (alloca_call_type): Likewise.
21934 2017-03-07  Martin Liska  <mliska@suse.cz>
21936         * gcov.c (process_args): Put comment to correct location.
21938 2017-03-07  Martin Liska  <mliska@suse.cz>
21940         PR middle-end/68270
21941         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
21942         Use array_at_struct_end_p instead of DECL_CHAIN (field).
21943         (chkp_narrow_bounds_for_field): Likewise.
21944         (chkp_parse_array_and_component_ref): Pass one more argument to
21945         call.
21947 2017-03-07  Richard Biener  <rguenther@suse.de>
21949         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
21950         preheaders.
21952 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
21954         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
21955         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
21957 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21959         PR c/79855
21960         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
21961         to end of description.
21962         (PARAM_MAX_STORES_TO_MERGE): Likewise.
21964 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
21966         PR rtl-optimization/79901
21967         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
21968         ...
21969         (*avx512f_<code><mode>3<mask_name>): ... this.
21970         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
21971         iterator instead of VI8_AVX2_AVX512BW.
21973         PR rtl-optimization/79901
21974         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
21975         min/max expander, expand it using expand_vec_cond_expr.
21977         PR sanitizer/79897
21978         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
21979         temporary.
21981 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
21983         PR c++/79821
21984         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
21985         to void * for PCH reasons.
21986         * dwarf2out.c (output_loc_operands, output_die): Cast
21987         v.val_vec.array to unsigned char *.
21989 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
21991         PR target/77850
21992         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
21993         vector types.
21995 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
21997         PR rtl-optimization/79571
21998         * lra-constraints.c (process_alt_operands): Calculate static
21999         reject and subtract it from overall when only addresses will be
22000         reloaded.
22002 2017-03-06  Julia Koval  <julia.koval@intel.com>
22004         PR target/79793
22005         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
22006         incoming stack boundary to 128 for 64-bit targets.
22008 2017-03-06  Richard Biener  <rguenther@suse.de>
22010         PR tree-optimization/79894
22011         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
22012         to NULL after folding it.
22014 2017-03-06  Richard Biener  <rguenther@suse.de>
22016         PR tree-optimization/79824
22017         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
22018         check disabling peeling for gaps.
22020 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
22022         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
22023         attributes): Document gettimeofday.
22025 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
22027         * config/s390/s390.c (s390_option_override_internal): Set
22028         PARAM_MIN_VECT_LOOP_BOUND
22030 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
22032         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
22033         * config/s390/s390.md: Likewise.
22035 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
22037         PR target/79812
22038         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
22039         (<avx2_avx512>_perm<mode>): Rename to ...
22040         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
22041         of VI8F_256_512.
22042         (<avx512>_perm<mode>_mask): Rename to ...
22043         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
22044         of VI8F_256_512.
22045         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
22046         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
22047         instead of VI8F_256_512.
22048         (avx512f_perm<mode>): New define_expand.
22049         (avx512f_perm<mode>_mask): Likewise.
22050         (avx512f_perm<mode>_1<mask_name>): New define_insn.
22051         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
22053 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
22055         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
22056         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
22057         if_then_else.
22058         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
22060 2017-03-06  Martin Liska  <mliska@suse.cz>
22062         PR sanitize/79783
22063         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
22064         when having a SSA NAME w/o VAR_DECL assigned to it.
22066 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
22068         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
22069         msa_dpsub_<su>_d): Fix MODE for vec_select.
22071 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
22073         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
22074         argument.
22075         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
22077 2017-03-06  Richard Biener  <rguenther@suse.de>
22079         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
22080         * plugin.c (register_plugin_info): Likewise.
22081         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
22083 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
22085         * config/i386/sse.md (sse_storehps, sse_storelps,
22086         avx_<castmode><avxsizesuffix>_<castmode>,
22087         avx512f_<castmode><avxsizesuffix>_<castmode>,
22088         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
22089         in condition that at least one operand is not a MEM.
22091 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
22093         PR middle-end/79805
22094         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
22095         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
22096         ECF_NOTHROW.
22097         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
22098         gimple_call_nothrow_p flag based on whether original builtin can throw.
22099         If it can, emit following stmts on the fallthrough edge.
22100         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
22101         don't create new bb if inserting just debug stmts on the edge, try to
22102         insert them on the fallthru bb or just reset debug stmts.
22104 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
22106         PR target/43763
22107         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
22108         restore recog_data (including the operand rtxes inside it) around
22109         the call to get_insn_template.
22111 2017-03-03  Martin Sebor  <msebor@redhat.com>
22113         PR tree-optimization/79699
22114         * context.c (context::~context): Free MPFR caches to avoid
22115         a memory leak on program exit.
22117 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22119         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
22120         Use wide_int::ulow () instead of .elt (0).
22122 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
22124         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
22125         (*pushxf): Limit oF constraint to 32bit targets and add oC
22126         constraint for 64bit targets.
22127         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
22128         (*pushdf): Change rmF constraint to rmC.
22130 2017-03-03  Martin Liska  <mliska@suse.cz>
22132         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
22133         Remove unused variable.
22135 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
22137         PR target/79807
22138         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
22139         is a memory operand, increase num_memory.
22140         (ix86_expand_args_builtin): Likewise.
22142 2017-03-03  Jan Hubicka  <jh@suse.cz>
22144         PR lto/79760
22145         * ipa-devirt.c (maybe_record_node): Properly handle
22146         __cxa_pure_virtual visibility.
22148 2017-03-03  Martin Liska  <mliska@suse.cz>
22150         PR tree-optimization/79803
22151         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
22152         assert.
22153         (pass_loop_prefetch::execute): Disabled optimization if an
22154         assumption about L1 cache size is not met.
22156 2017-03-03  Martin Liska  <mliska@suse.cz>
22158         PR rtl-optimization/79574
22159         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
22160         (hash_scan_set): Likewise.
22161         (dump_hash_table): Likewise.
22162         (hoist_code): Likewise.
22164 2017-03-03  Richard Biener  <rguenther@suse.de>
22166         * fixed-value.c (fixed_from_string): Restore use of elt (1)
22167         in place of uhigh ().
22168         (fixed_convert_from_real): Likewise.
22170 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
22172         PR target/79514
22173         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
22175 2017-03-03  Richard Biener  <rguenther@suse.de>
22177         PR middle-end/79818
22178         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
22179         TYPE_OVERFLOW_UNDEFINED check.
22181 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22183         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
22184         numbers.
22185         (vector_ae_<mode>_p): Likewise.
22186         (vector_nez_<mode>_p): Likewise.
22187         (vector_ne_v2di_p): Likewise.
22188         (vector_ae_v2di_p): Likewise.
22189         (vector_ne_<mode>_p): Likewise.
22190         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
22191         numbers.
22192         (vsx_tsqrt<mode>2_fe): Likewise.
22194 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
22196         PR target/79514
22197         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
22199 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
22201         PR rtl-optimization/79780
22202         * cprop.c (one_cprop_pass): When second and further conditional trap
22203         in a single basic block is turned into an unconditional trap, turn it
22204         into a deleted note to avoid RTL verification failures.
22206 2017-03-02  Richard Biener  <rguenther@suse.de>
22208         * fold-const.c (const_binop): Use ulow () instead of elt (0).
22210 2017-03-02  Richard Biener  <rguenther@suse.de>
22212         PR tree-optimization/79345
22213         PR c++/42000
22214         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
22215         param and abort the walk, returning -1 if it is hit.
22216         (walk_aliased_vdefs): Take a limit param and pass it on.
22217         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
22218         defaulting to 0 and return a signed int.
22219         * tree-ssa-uninit.c (struct check_defs_data): New struct.
22220         (check_defs): New helper.
22221         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
22222         about uninitialized memory.
22223         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
22224         bogus uninitialized warning.
22225         (fixed_convert_from_real): Likewise.
22227 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
22229         PR tree-optimization/66768
22230         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
22231         iv_use if base object can't be determined.
22233 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
22235         PR tree-optimization/79345
22236         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
22237         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
22238         (get_pattern_stats): Initialize it.
22239         * genemit.c (gen_expand): Verify match_scratch numbers come after
22240         match_operand/match_dup numbers.
22241         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
22242         match_scratch numbers.
22243         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
22244         Likewise.
22245         * config/s390/s390.md (trunctdsd2): Likewise.
22247 2017-03-02  Richard Biener  <rguenther@suse.de>
22249         * wide-int.h (wide_int_storage::operator=): Implement in terms
22250         of wi::copy.
22252 2017-03-02  Richard Biener  <rguenther@suse.de>
22254         PR tree-optimization/79777
22255         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
22256         the to insert expression to sth existing.
22258 2017-03-01  Martin Sebor  <msebor@redhat.com>
22260         PR middle-end/79692
22261         * gimple-ssa-sprintf.c
22262         (directive::known_width_and_precision): New function.
22263         (format_integer): Use it.
22264         (get_mpfr_format_length): Consider the full range of precision
22265         when computing %g output with the # flag.  Set the likely byte
22266         count to 3 rather than 1 when precision is indeterminate.
22267         (format_floating): Correct the lower bound of precision.
22269 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22271         * doc/invoke.texi: Document default code model for 64-bit Linux.
22273 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22275         PR target/79752
22276         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
22277         udiv rather than div since input pattern is unsigned.
22279 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
22281         * config/i386/i386.c (print_reg): Warn for values of
22282         unsupported size in integer register.
22284 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
22286         PR target/79439
22287         * config/rs6000/predicates.md (current_file_function_operand): Do
22288         not allow self calls to be local if the function is replaceable.
22290 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
22292         PR target/79395
22293         * config/rs6000/altivec.h (vec_ctz and others): Change the
22294         preprocessor macro that controls conditional compilation from
22295         _ARCH_PWR9 to __POWER9_VECTOR__.
22296         (vec_all_ne): Change parameterization of __altivec_scalar_pred
22297         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
22298         control (instead of _ARCH_PWR9 control) so that template
22299         definition uses power9-specific function.
22300         (vec_any_eq): Likewise.
22301         (vec_all_ne): Change macro definition to use a power9-specific
22302         expansion under #ifdef __POWER9_VECTOR__ control (instead of
22303         _ARCH_PWR9 control).
22304         (vec_any_eq) Likewise.
22305         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
22306         expansion for CMPNEF to remove support for xvcmpnesp instruction.
22307         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
22308         support for xvcmpnedp instruction.
22309         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
22310         macro expansion so that Power9 implementation of vec_all_ne does
22311         not use the AltiVec predicate framework.
22312         (VCMPNEH_P): Likewise.
22313         (VCMPNEW_P): Likewise.
22314         (VCMPNED_P): Likewise.
22315         (VCMPNEFP_P): Likewise.
22316         (VCMPNEDP_P): Likewise.
22317         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
22318         implementation of vec_any_eq to not use AltiVec predicate
22319         framework.
22320         (VCMPAEH_P): Likewise.
22321         (VCMPAEW_P): Likewise.
22322         (VCMPAED_P): Likewise.
22323         (VCMPAEFP_P): Likewise.
22324         (VCMPAEDP_P): Likewise.
22325         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
22326         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
22327         not use the AltiVec predicate framework.
22328         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
22329         of vec_any_eq to not use AltiVec predicate framework.
22330         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
22331         support for predefined __POWER9_VECTOR__ macro to indicate that
22332         Power9 instruction selection is enabled.
22333         (altivec_overloaded_builtins): Remove extraneous
22334         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
22335         function argument types RS6000_BTI_bool_V16QI and
22336         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
22337         entry for overloaded function argument types RS6000_BTI_bool_V4SI
22338         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
22339         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
22340         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
22341         Power9 for implementations of vec_cmpne.  Change the signature for
22342         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
22343         (representing vec_all_ne) to remove the previously described first
22344         argument of type RS6000_BTI_INTSI, as this was an artifact of
22345         reliance on the AltiVec predicate framework, which is no longer
22346         used in the implementation of these functions.  Add
22347         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
22348         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
22349         since, unlike the AltiVec predicate framework implementation, we
22350         do not share function descriptors between vec_alle and vec_anyeq.
22351         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
22352         set of modes that receive special treatment even when
22353         TARGET_P9_VECTOR is true.  The special treatment emits code that
22354         does not depend on Power9 instructions.
22355         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
22356         define_expand to not rely on AltiVec predicate framework.
22357         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
22358         function.
22359         (vector_ne_v2di_p): Change this define_expand to not rely on
22360         AltiVec predicate framework.
22361         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
22362         function.
22363         (vector_ne_<mode>_p): Change this define_expand to not rely on
22364         AltiVec predicate framework.
22365         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
22366         function.
22367         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
22368         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
22369         define_insn pattern.
22370         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
22371         define_insn pattern because the xvcmpne<VSs>. instruction is not
22372         supported.
22373         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
22374         instruction is not supported.
22376 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22378         * config/nvptx/nvptx.c: Include intl.h.
22380 2017-03-01  Martin Jambor  <mjambor@suse.cz>
22382         PR lto/78140
22383         * ipa-prop.h (ipa_bits): Removed field known.
22384         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
22385         to pointers.  Adjusted their comments to warn about their sharing.
22386         (ipcp_transformation_summary): Change bits to a vector of pointers.
22387         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
22388         (ipa_get_ipa_bits_for_value): Declare.
22389         * tree-vrp.h (value_range): Mark as GTY((for_user)).
22390         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
22391         (ipa_bits_hash_table): Likewise.
22392         (ipa_vr_ggc_hash_traits): Likewise.
22393         (ipa_vr_hash_table): Likewise.
22394         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
22395         being pointers and vr_known being removed.
22396         (ipa_set_jf_unknown): Likewise.
22397         (ipa_get_ipa_bits_for_value): New function.
22398         (ipa_set_jfunc_bits): Likewise.
22399         (ipa_get_value_range): New overloaded functions.
22400         (ipa_set_jfunc_vr): Likewise.
22401         (ipa_compute_jump_functions_for_edge): Use the above functions to
22402         construct bits and vr parts of jump functions.
22403         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
22404         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
22405         exist.
22406         (ipcp_grow_transformations_if_necessary): Also allocate
22407         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
22408         exist.
22409         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
22410         them.  Fix too long lines.
22411         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
22412         vr_known being removed.
22413         (ipa_read_jump_function): Use new setter functions to construct bits
22414         and vr parts of jump functions or set them to NULL.
22415         (write_ipcp_transformation_info): Adjust for bits being pointers.
22416         (read_ipcp_transformation_info): Likewise.
22417         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
22418         space.
22419         Include gt-ipa-prop.h.
22420         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
22421         being pointers.
22422         (ipcp_store_bits_results): Likewise.
22423         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
22424         Do not write to existing jump functions but use a temporary instead.
22426 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22428         PR c++/79681
22429         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
22430         attempt to use its first operand as BIT_FIELD_REF base.
22432 2017-03-01  Richard Biener  <rguenther@suse.de>
22434         PR middle-end/79721
22435         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
22436         interpolating formula in wrapping arithmetic.
22437         (chrec_apply): Convert chrec_evaluate return value to wanted type.
22439 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22441         PR tree-optimization/79734
22442         * tree-vect-generic.c (expand_vector_condition): Optimize
22443         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
22444         Handle VEC_COND_EXPR where comparison has different inner width from
22445         type's inner width.
22447 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
22449         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
22450         markup, and similar issues.  Remove @opindex entries for things
22451         that aren't options.  Add missing -mmpy-option entries.
22453 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22455         PR tree-optimization/79737
22456         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
22457         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
22458         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
22459         instead of byte_size.  Formatting fix.
22460         (shift_bytes_in_array_right): Formatting fix.
22462 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
22464         PR target/79749
22465         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
22466         condition on optimize for the leaf function test.
22468 2017-02-28  Martin Liska  <mliska@suse.cz>
22470         PR lto/79625
22471         * read-rtl-function.c (function_reader::handle_unknown_directive):
22472         Bail out when one uses -flto.
22474 2017-02-28  Martin Liska  <mliska@suse.cz>
22476         * common.opt: Replace space with tabular for options of <number>
22477         type.
22478         * config/i386/i386.opt: Show <number> value for
22479         -mlarge-data-threshold.
22480         * opts.c (print_filtered_help): Do not display number in hexadecimal
22481         format.
22483 2017-02-28  Martin Liska  <mliska@suse.cz>
22485         * common.opt: Fix --help=option -Q for options which are of
22486         an enum type.
22488 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
22490         * config/i386/i386.c (print_reg): Error out for values
22491         of 8-bit size in invalid integer register.
22493 2017-02-28  Martin Sebor  <msebor@redhat.com>
22495         PR tree-optimization/79691
22496         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
22498 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22500         PR target/79729
22501         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
22502         gcc_unreachable with output_operand_lossage.
22504 2017-02-28  Richard Biener  <rguenther@suse.de>
22506         PR tree-optimization/79740
22507         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
22508         inserts.
22509         (visit_nary_op): Insert the nary into the hashtable if we
22510         pattern-matched sth.
22511         * tree-ssa-pre.c (eliminate_insert): Robustify.
22513 2017-02-28  Richard Biener  <rguenther@suse.de>
22515         PR middle-end/79731
22516         * fold-const.c (decode_field_reference): Reject out-of-bound
22517         accesses.
22519 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22521         * config/i386/i386.c: Include intl.h.
22522         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
22523         instead of just cond ? "..." : "...".
22524         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
22525         * coverage.c (read_counts_file): Likewise.
22526         * omp-offload.c: Include intl.h.
22527         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
22528         of just cond ? "..." : "...".
22529         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
22530         of just cond ? "..." : "...".
22532 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
22534         PR target/79742
22535         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
22536         entry, if present.
22537         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
22538         'tune for' CPU name.
22539         * config/arm/arm-cpu-data.h: Regenerated.
22541 2017-02-28  Richard Biener  <rguenther@suse.de>
22543         PR tree-optimization/79732
22544         * tree-inline.c (expand_call_inline): Do not shadow var.
22546 2017-02-28  Richard Biener  <rguenther@suse.de>
22548         PR tree-optimization/79723
22549         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
22550         address-space properly.
22552 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
22554         * doc/optinfo.texi (Optimization groups): Fix option used for
22555         OPTGROUP_ALL.
22556         * doc/invoke.texi (-fopt-info): Document "omp".
22557         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
22558         (OPTGROUP_ALL): Add OPTGROUP_OMP.
22559         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
22560         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
22561         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
22563         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
22564         all users.
22565         * dumpfile.c (optgroup_options): Instead of "openmp", associate
22566         OPTGROUP_OMP with "omp".
22568 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
22570         PR target/79544
22571         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
22572         for arithmetic shift of unsigned V2DI.
22574 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
22576         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
22577         arc/linux.h headers.
22578         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
22579         (LINK_SPEC): Likewise.
22580         (ARC_TLS_EXTRA_START_SPEC): Likewise.
22581         (EXTRA_SPECS): Likewise.
22582         (STARTFILE_SPEC): Likewise.
22583         (ENDFILE_SPEC): Likewise.
22584         (LIB_SPEC): Likewise.
22585         (TARGET_SDATA_DEFAULT): Likewise.
22586         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
22587         (MULTILIB_DEFAULTS): Likewise.
22588         (DWARF2_UNWIND_INFO): Likewise.
22589         * config/arc/big.h: New file.
22590         * config/arc/elf.h: Likewise.
22591         * config/arc/linux.h: Likewise.
22592         * config/arc/t-uClibc: Remove.
22594 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
22596         PR tree-optimization/77536
22597         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
22598         (tree_transform_and_unroll_loop): Use above function to compute the
22599         estimated niter of unrolled loop and use it when scaling profile.
22600         Also use count info rather than frequency if it's non-zero.
22601         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
22602         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
22603         (vect_transform_loop): Call above function.
22605 2017-02-27  Richard Biener  <rguenther@suse.de>
22607         PR tree-optimization/45397
22608         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
22609         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
22610         (visit_nary_op): Add pattern matching for CSEing sign-changed
22611         or truncated operations with wider ones.
22613 2017-02-27  Richard Biener  <rguenther@suse.de>
22615         PR tree-optimization/79690
22616         * tree-vect-stmts.c (vectorizable_store): Use vector type
22617         built from the DR with address-space.
22619 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
22621         * doc/invoke.texi (Optimize Options): Refine the description
22622         of asan-use-after-return.
22624 2017-02-25  Alan Modra  <amodra@gmail.com>
22626         PR rtl-optimization/79584
22627         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
22628         base, not ad->base_term, the reg within base.  Remove assertion
22629         that ad->base == ad->base_term.  Replace gen_int_mode using
22630         bogus mode with const0_rtx.
22632 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
22634         PR middle-end/79396
22635         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
22636         FMA_EXPR like tcc_binary or tcc_unary.
22638         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
22640         PR debug/77589
22641         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
22642         bitfield.
22643         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
22644         (output_loc_operands): Handle DW_OP_call_ref and
22645         DW_OP_GNU_variable_value.
22646         (struct variable_value_struct): New type.
22647         (struct variable_value_hasher): Likewise.
22648         (variable_value_hash): New variable.
22649         (string_types): Remove.
22650         (copy_loc_descr): New function.
22651         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
22652         (prepend_loc_descr_to_each): New function.
22653         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
22654         instead of add_loc_descr_to_each if the first argument is single
22655         location list and the second has multiple.
22656         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
22657         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
22658         when looking for variable value which doesn't have other location info.
22659         (loc_list_from_tree): Formatting fix.
22660         (gen_array_type_die): Simplify DW_AT_string_length handling.
22661         (adjust_string_types): Remove.
22662         (gen_subprogram_die): Don't call adjust_string_types nor test/set
22663         string_types.  Call resolve_variable_values.
22664         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
22665         (resolve_addr_in_expr): Likewise.  Add A argument.
22666         (copy_deref_exprloc): Remove deref argument.  Adjust for the
22667         original expression being DW_OP_GNU_variable_value with optionally
22668         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
22669         optionally after it.
22670         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
22671         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
22672         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
22673         (variable_value_hasher::hash, variable_value_hasher::equal): New
22674         methods.
22675         (resolve_variable_value_in_expr, resolve_variable_value,
22676         resolve_variable_values, note_variable_value_in_expr,
22677         note_variable_value): New functions.
22678         (dwarf2out_early_finish): Call note_variable_value on all toplevel
22679         DIEs.
22681 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
22683         PR c/79677
22684         * opts.h (handle_generated_option): Add GENERATED_P argument.
22685         * opts-common.c (handle_option): Adjust function comment.
22686         (handle_generated_option): Add GENERATED_P argument, pass it to
22687         handle_option.
22688         (control_warning_option): Pass false to handle_generated_option
22689         GENERATED_P.
22690         * opts.c (maybe_default_option): Pass true to handle_generated_option
22691         GENERATED_P.
22692         * optc-gen.awk: Likewise.
22694 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22696         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
22697         a REG, look at the REG it is a SUBREG of.
22698         (splitter for cmpeqsi_t): Ditto.
22700 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22702         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
22703         the special USEs with the pattern of the insn, not the insn itself.
22705 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
22707         PR target/79473
22708         * doc/invoke.texi: Document -mload-store-pairs.
22710 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22711             Sandra Loosemore  <sandra@codesourcery.com>
22713         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
22714         argument isn't a CONST_INT.
22715         (nios2_alternate_compare_const): Assert op is a CONST_INT.
22716         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
22717         (nios2_validate_compare): Bypass alternate compare logic if *op2
22718         is not a CONST_INT.
22719         (ldstwm_operation_p): Return false if first_base is not a REG or
22720         if first_offset is not a CONST_INT.
22722 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22724         * config/cris/cris.md: Use correct operand in a define_peephole2.
22726 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22728         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
22730 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22732         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
22733         this_insn if it is an INSN or JUMP_INSN.
22734         (force_offsettable): Look at base, not at addr.
22735         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
22736         on things that aren't necessarily CONST_INTs.
22738 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
22740         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
22741         -mfpmath=sse is the default also for x86-32 targets with SSE2
22742         instruction set when @option{-ffast-math} is enabled
22744 2017-02-24  Jeff Law  <law@redhat.com>
22746         PR rtl-optimizatoin/79286
22747         * ira.c (update_equiv_regs): Drop may_trap_p exception to
22748         dominance test.
22750 2017-02-24  Richard Biener  <rguenther@suse.de>
22752         PR tree-optimization/79389
22753         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
22754         debug insns.
22756 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
22758         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
22759         function comment to reflect reality.
22760         (loop_exits_before_overflow): Fix typo in function description.
22762 2017-02-24  Richard Biener  <rguenther@suse.de>
22764         PR tree-optimization/79389
22765         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
22766         properly that a threading opportunity exists.  Detect conditional
22767         copy/constant propagation opportunities.
22769 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
22771         * config/visium/visium.md (type): Add trap.
22772         (b): New mode attribute.
22773         (*btst): Rename into...
22774         (*btst<mode>): ...this and adjust.
22775         (*cbranchsi4_btst_insn): Rename into...
22776         (*cbranch<mode>4_btst_insn): ...this and adjust.
22777         (trap): New define_insn.
22779 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
22781         PR tree-optimization/79389
22782         * ifcvt.c (struct noce_if_info): Add rev_cond field.
22783         (noce_reversed_cond_code): New function.
22784         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
22785         reversed_comparison_code.  Formatting fix.
22786         (noce_try_store_flag): Test rev_cond != NULL in addition to
22787         reversed_comparison_code.
22788         (noce_try_store_flag_constants): Likewise.
22789         (noce_try_store_flag_mask): Likewise.
22790         (noce_try_addcc): Use rev_cond if non-NULL instead of
22791         reversed_comparison_code.
22792         (noce_try_cmove_arith): Likewise.  Formatting fixes.
22793         (noce_try_minmax, noce_try_abs): Clear rev_cond.
22794         (noce_find_if_block): Initialize rev_cond.
22795         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
22796         instead of false as last argument never attempt to reverse it
22797         afterwards.
22799 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
22801         PR tree-optimization/79663
22802         * tree-predcom.c (combine_chains): Process refs in reverse order
22803         only for ZERO length chains, and add explaining comment.
22805 2017-02-23  Jeff Law  <law@redhat.com>
22807         PR tree-optimization/79578
22808         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
22809         in call to operand_equal_p.
22811 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
22813         PR target/71017
22814         * config/i386/cpuid.h: Fix another undefined behavior.
22816 2017-02-23  Richard Biener  <rguenther@suse.de>
22818         PR tree-optimization/79683
22819         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
22820         vector types for data-refs.
22822 2017-02-23  Martin Liska  <mliska@suse.cz>
22824         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
22826 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
22828         PR middle-end/79665
22829         * internal-fn.c (get_range_pos_neg): Moved to ...
22830         * tree.c (get_range_pos_neg): ... here.  No longer static.
22831         * tree.h (get_range_pos_neg): New prototype.
22832         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
22833         are known to be in between 0 and signed maximum inclusive, try to
22834         expand both unsigned and signed divmod and use the cheaper one from
22835         those.
22837 2017-02-22  Jeff Law  <law@redhat.com>
22839         PR tree-optimization/79578
22840         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
22841         to compare base operands.
22843 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
22845         PR target/79211
22846         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
22847         gpc_reg_operand instead of fpr_reg_operand.
22849 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
22851         * config/mips/mips.c (mips_return_in_memory): Force FP
22852         vector types to be returned in memory for o32 ABI.
22854 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22856         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
22857         instead of DW_TAG_member for static data member declarations and don't
22858         set no_linkage_name for static inline data members.
22859         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
22860         to DW_TAG_member.
22862 2017-02-22  Martin Liska  <mliska@suse.cz>
22864         * doc/invoke.texi: Replace inequality signs with square brackets
22865         for -Wnormalized.
22867 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22869         PR tree-optimization/68644
22870         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
22872 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
22874         PR target/78660
22875         * lra-constraints.c (simplify_operand_subreg): Handle
22876         WORD_REGISTER_OPERATIONS targets.
22878 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22880         PR target/70465
22881         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
22882         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
22883         elimination by swapping fld*.
22885 2017-02-22  Richard Biener  <rguenther@suse.de>
22887         PR tree-optimization/79673
22888         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
22889         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
22890         irrelevant address-space qualifiers and avoiding a
22891         ADDR_SPACE_CONVERT_EXPR from fold_convert.
22893 2017-02-22  Richard Biener  <rguenther@suse.de>
22895         PR tree-optimization/79666
22896         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
22897         to not symbolically negate if that may introduce undefined
22898         overflow.
22900 2017-02-22  Martin Liska  <mliska@suse.cz>
22902         PR lto/79587
22903         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
22904         * data-streamer-out.c (streamer_write_gcov_count_stream):
22905         Likewise.
22906         * value-prof.c (stream_out_histogram_value): Make assert more
22907         precise based on type of counter.
22909 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
22911         PR target/79593
22912         * config/i386/i386.md (standard_x87sse_constant_load splitter):
22913         Use nonimmediate_operand instead of memory_operand for operand 1.
22914         (float-extend standard_x87sse_constant_load splitter): Ditto.
22916 2017-02-21  Jeff Law  <law@redhat.com>
22918         PR tree-optimization/79621
22919         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
22920         blocks with edges to themselves.
22922 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22924         PR target/79633
22925         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
22926         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
22927         Use gimple_call_builtin_p.
22929         PR target/79570
22930         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
22931         on temporarily removed DEBUG_INSNs.
22933         PR tree-optimization/79649
22934         * tree-loop-distribution.c (classify_partition): Give up on
22935         non-generic address space loads/stores.
22937 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
22939         * doc/loop.texi (Loop manipulation): Remove nonexistent
22940         tree_ssa_loop_version from the documentation.
22941         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
22943 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22945         PR target/79494
22946         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
22947         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
22948         * config/rs6000/rs6000.c: Include except.h.
22949         (rs6000_expand_split_stack_prologue): Call
22950         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
22952 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22954         PR lto/79579
22955         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
22956         have been analyzed.
22958 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22960         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
22961         for backward compatibility only.
22962         * doc/invoke.texi (Option Summary): Remove all references to
22963         -fipa-cp-alignment.
22965 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
22967         PR target/78660
22968         Revert:
22969         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22971         * lra-constraints.c (curr_insn_transform): Handle
22972         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22974 2017-02-21  Martin Liska  <mliska@suse.cz>
22976         * config/i386/i386.opt: Replace -masm-dialect with -masm.
22978 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
22980         PR translation/79638
22981         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
22983 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
22985         PR ada/67205
22986         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
22987         (arm_function_ok_for_sibcall): Return false for an indirect call by
22988         descriptor if all the argument registers are used.
22989         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
22990         alignment of the function.
22992 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22994         PR tree-optimization/61441
22995         * simplify-rtx.c (simplify_const_unary_operation): For
22996         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
22997         the sNaN unmodified.
22999 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
23001         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
23002         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
23003         instead of SYSTEM_HEADER_DIR.
23005 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
23006             Martin LiÅ¡ka  <mliska@suse.cz>
23008         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
23009         Fix typos and grammar, use active voice, and clarify.
23011 2017-02-20  Marek Polacek  <polacek@redhat.com>
23013         PR middle-end/79537
23014         * gimplify.c (gimplify_expr): Handle unused *&&L;.
23016         PR sanitizer/79558
23017         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
23019 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
23021         PR target/79568
23022         * config/i386/i386.c (ix86_expand_builtin): Handle
23023         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
23024         ix86_builtins_isa[fcode].isa as a requirement of those
23025         flags and any other flag in the bitmask.
23026         (ix86_init_mmx_sse_builtins): Use 0 instead of
23027         ~OPTION_MASK_ISA_64BIT as mask.
23028         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
23029         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
23030         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
23031         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
23033 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
23035         PR target/78012
23036         * lra-constraints.c (split_reg): Check requested split mode
23037         is supported by the register.
23039 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
23041         * lra-constraints.c (simplify_operand_subreg): Remove early
23042         return false.
23044 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
23046         PR target/78660
23047         * lra-constraints.c (curr_insn_transform): Tighten condition
23048         for converting SUBREG reloads from OP_OUT to OP_INOUT.
23050 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
23052         PR target/78660
23053         * lra-constraints.c (curr_insn_transform): Handle
23054         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
23056 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
23058         Revert:
23059         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
23061         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
23063 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
23065         PR c++/69523
23066         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
23067         description.
23069 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23071         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
23072         for FMA_EXPR.
23074 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
23076         * final.c (last_columnnum, override_columnnum): New variables.
23077         (final_start_function): Set last_columnnum, pass it to begin_prologue
23078         hook and pass 0 to dwarf2out_begin_prologue.
23079         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
23080         to source_line debug hook.
23081         (notice_source_line): Compute last_columnnum and for debug_column_info
23082         return true on column changes.
23083         * debug.h (struct gcc_debug_hooks): Add column argument to
23084         source_line and begin_prologue hooks.
23085         (debug_nothing_int_charstar_int_bool): Remove prototype.
23086         (debug_nothing_int_int_charstar,
23087         debug_nothing_int_int_charstar_int_bool): New prototypes.
23088         (dwarf2out_begin_prologue): Add column argument.
23089         * debug.c (do_nothing_debug_hooks): Adjust source_line and
23090         begin_prologue hooks.
23091         (debug_nothing_int_charstar_int_bool): Remove.
23092         (debug_nothing_int_int_charstar,
23093         debug_nothing_int_int_charstar_int_bool): New functions.
23094         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
23095         through to dwarf2out_source_line.
23096         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
23097         (dwarf2out_source_line): Add column argument, emit it if requested.
23098         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
23099         arguments.
23100         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
23101         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
23102         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
23103         through to dwarf2out_begin_prologue.
23104         (vmsdbgout_source_line): Add column argument, pass it through to
23105         dwarf2out_source_line.
23106         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
23107         dbxout_source_line caller.
23108         (dbxout_source_line): Add column argument.
23110         * common.opt (gno-column-info, gcolumn-info): New options.
23111         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
23112         (check_die): Also test for multiple DW_AT_decl_column attributes.
23113         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
23114         DW_AT_decl_column if requested.
23115         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
23116         if requested.
23117         (gen_variable_die): Likewise.
23118         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
23119         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
23121         PR target/79569
23122         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
23123         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
23124         (ix86_handle_option): Handle OPT_m3dnowa.
23125         * doc/invoke.texi (-m3dnowa): Document.
23126         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
23127         -m3dnowa instead of -m3dnow -march=athlon.
23129         PR target/79559
23130         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
23131         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
23133 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23135         PR target/79261
23136         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
23137         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
23138         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
23139         generator for vsx_xxpermdi_<mode>_be.
23140         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
23141         force big-endian semantics.
23142         (vsx_xxpermdi_<mode>_be): New define_expand with same
23143         implementation as previous version of vsx_xxpermdi_<mode>.
23145 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
23147         PR tree-optimization/79327
23148         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
23149         variable, its initialization and use.
23151 2017-02-17  Julia Koval  <julia.koval@intel.com>
23153         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
23154         (OPTION_MASK_ISA_PKU_UNSET): New.
23155         (ix86_handle_option): Handle -mrdpid.
23156         * config/i386/cpuid.h (bit_RDPID): New.
23157         * config/i386/driver-i386.c (host_detect_local_cpu):
23158         Detect RDPID feature.
23159         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
23160         * config/i386/i386-c.c (ix86_target_macros_internal):
23161         Handle RDPID flag.
23162         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
23163         (ix86_valid_target_attribute_inner_p): Add "rdpid".
23164         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
23165         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
23166         * config/i386/i386.md (define_insn "rdpid"): New.
23167         * config/i386/i386.opt Add -mrdpid.
23168         * config/i386/immintrin.h (_rdpid_u32): New.
23170 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
23172         PR rtl-optimization/79541
23173         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
23174         instead of transforming it into USE.
23176 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
23178         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
23179         If HONOR_SNANS (SFmode) force the input to a register.
23180         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
23181         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
23182         an frsp or similar insn.
23184 2017-02-17  Martin Liska  <mliska@suse.cz>
23186         PR rtl-optimization/79577
23187         * params.def (selsched-max-sched-times): Increase minimum to 1.
23189 2017-02-17  Martin Liska  <mliska@suse.cz>
23191         PR rtl-optimization/79574
23192         * gcse.c (want_to_gcse_p): Prevent integer overflow.
23194 2017-02-17  Martin Liska  <mliska@suse.cz>
23196         PR tree-optimization/79529
23197         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
23198         ssa_defined_default_def_p to handle cases which are implicitly
23199         defined.
23200         * tree-ssa.c (ssa_defined_default_def_p): New function.
23201         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
23202         which are implicitly defined.
23203         * tree-ssa.h (ssa_defined_default_def_p): Declare.
23205 2017-02-17  Richard Biener  <rguenther@suse.de>
23207         PR middle-end/79576
23208         * params.def (max-ssa-name-query-depth): Limit to 10.
23210 2017-02-17  Richard Biener  <rguenther@suse.de>
23212         PR tree-optimization/79552
23213         * tree-ssa-structalias.c (visit_loadstore): Properly verify
23214         default defs.
23216 2017-02-17  Richard Biener  <rguenther@suse.de>
23218         PR bootstrap/79567
23219         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
23221 2017-02-17  Marek Polacek  <polacek@redhat.com>
23223         PR middle-end/79536
23224         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
23225         (fold_negate_expr): New wrapper.
23227 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
23229         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
23230         Correct terminology and de-emphasize pre-standard behavior.
23232 2017-02-16  Alan Modra  <amodra@gmail.com>
23234         PR rtl-optimization/79286
23235         * ira.c (def_dominates_uses): New function.
23236         (update_equiv_regs): Don't create an equivalence for insns that
23237         may trap where the register def does not dominate the use.
23239 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
23241         PR rtl-optimization/78127
23242         * lra.c (lra): Call lra_eliminate before finish the loop after
23243         lra_constraint.
23245 2017-02-16  Richard Biener  <rguenther@suse.de>
23247         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
23248         isl/isl_val.h.
23249         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
23250         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
23251         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
23252         (isl_val_int_from_wi): New function.
23253         (extract_affine_gmp): Rename to ...
23254         (extract_affine_wi): ... this, take a widest_int.
23255         (extract_affine_int): Just wrap extract_affine_wi.
23256         (add_param_constraints): Use isl_val_int_from_wi.
23257         (add_loop_constraints): Likewise, and extract_affine_wi.
23259 2017-02-15  Jeff Law  <law@redhat.com>
23261         PR middle-end/79521
23262         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
23263         ira_init_register_move_cost_if_necessary.
23265 2017-02-15  Martin Sebor  <msebor@redhat.com>
23267         PR middle-end/32003
23268         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
23269         removed in a prior commit.
23271 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
23273         PR tree-optimization/79347
23274         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
23275         counters during peeling.
23277 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
23279         * Makefile.in (site.exp): Remove "set ISLVER".
23281 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
23283         PR target/79487
23284         * real.c (real_from_integer): Call real_convert even for decimal.
23286 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23288         PR target/79421
23289         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
23291 2017-02-14  Andrew Pinski  <apinski@cavium.com>
23293         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
23294         cores and change the partno/implementer to be correct.
23295         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
23296         the 'B" as the implementer.
23297         * config/aarch64/aarch64-tune.md: Regenerate.
23299 2017-02-14  Carl Love  <cel@us.ibm.com>
23301         * config/rs6000/rs6000.c: Add case statement entry to make the
23302         xvcvuxdsp built-in argument unsigned.
23303         * config/rs6000/vsx.md: Fix the source and return operand types so they
23304         match the instruction definitions from the ISA document.  Fix typo
23305         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
23306         statement.
23308 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
23310         PR target/79282
23311         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
23312         member early_clobber_alts.
23313         * lra-lives.c (reg_early_clobber_p): New.
23314         (process_bb_lives): Use it.
23315         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
23316         (debug_operand_data): Initialize early_clobber_alts.
23317         (setup_operand_alternative): Set up early_clobber_alts.
23318         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
23319         alternatives to new_insn_reg.
23320         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
23321         it.
23322         (lra_update_insn_regno_info): Pass the new arg.
23324 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
23326         PR middle-end/79505
23327         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
23328         (new_oacc_loop_raw): Don't clear already cleared fields.
23330         PR target/79481
23331         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
23332         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
23333         _mm512_prefetch_i64gather_ps): New inline functions and macros.
23335 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
23337         PR target/79495
23338         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
23340 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
23342         PR target/79498
23343         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
23344         the extra instruction to the right place to store 128-bit constant
23345         when needed.
23347 2017-02-14  Martin Sebor  <msebor@redhat.com>
23349         PR middle-end/79448
23350         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
23351           warning for strings of unknown length.
23353 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
23355         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
23357 2017-02-14  Jeff Law  <law@redhat.com>
23359         PR target/79404
23360         * ira-costs.c (scan_one_insn): Initialize register move costs
23361         for pseudos seen in USE/CLOBBER insns.
23363         PR tree-optimization/79095
23364         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
23365         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
23366         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
23367         if the operands are known to be not equal, then the resulting range
23368         is ~[0,0].
23369         (intersect_ranges): If the new range is ~[0,0] and the old range is
23370         wide, then prefer ~[0,0].
23371         * tree-vrp.c (overflow_comparison_p_1): New function.
23372         (overflow_comparison_p): New function.
23373         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
23374         if NAME is used in an overflow test.
23375         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
23376         overflow check that can be expressed as an equality test, then adjust
23377         ops to be that equality test.
23379 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23381         * config/s390/s390-builtin-types.def: Remove flags argument.
23382         * config/s390/s390.c (s390_init_builtins): Likewise.
23384 2017-02-14  Martin Liska  <mliska@suse.cz>
23386         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
23387         vector.  Fix trailing white spaces.
23389 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
23391         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
23392         HFmode.
23394 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23396         PR rtl-optimization/68664
23397         * config/arm/arm.c (arm_sched_can_speculate_insn):
23398         New function.  Declare prototype.
23399         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
23401 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23403         PR rtl-optimization/68664
23404         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
23405         New function.
23406         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
23408 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
23410         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
23411         max skip bytes for function, loop and jump.
23413 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23415         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
23416         ABS_EXPR for gimple dump.
23418 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
23420         PR target/79462
23421         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
23423         PR tree-optimization/79408
23424         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
23425         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
23426         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
23427         also if rhs1 is INTEGER_CST.
23429 2017-02-14  Richard Biener  <rguenther@suse.de>
23431         PR middle-end/79432
23432         * tree-into-ssa.c (insert_phi_nodes): When the function can
23433         have abnormal edges rewrite SSA names with broken use-def
23434         dominance out of SSA and register them for PHI insertion.
23436 2017-02-13  Martin Sebor  <msebor@redhat.com>
23438         PR middle-end/79496
23439         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
23440         clearing info.nowrite flag when snprintf size argument is a range.
23442 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
23444         * cprop.c (cprop_jump): Add missing space in string literal.
23445         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
23446         (get_constraint_for_component_ref): Likewise.
23447         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
23448         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
23449         * lra-constraints.c (process_alt_operands): Likewise.
23450         * ipa-inline.c (inline_small_functions): Likewise.
23451         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
23452         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
23453         * trans-mem.c (diagnose_tm_1_op): Likewise.
23454         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
23455         (grid_parallel_clauses_gridifiable): Likewise.
23457         * config/nvptx/mkoffload.c (process): Add space in between
23458         , and %d.
23460         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
23461         "MOD4_SSE_REGS" and "ALL_REGS".
23463         * spellcheck.c (test_data): Add , in between "foo" and "food".
23465 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23467         PR target/79449
23468         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
23469         boundary crossing check and subsequent code generation agree.
23471 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23473         * config/aarch64/aarch64.c (has_memory_op): Delete.
23474         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
23475         has_memory_op.
23477 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
23479         PR rtl-optimization/79388
23480         PR rtl-optimization/79450
23481         * combine.c (distribute_notes): When removing TEM_INSN for which
23482         corresponding dest has last value recorded, invalidate that last
23483         value.
23485 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23487         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
23488         of explicit '@'.  Add missing assembly comment marker on branch costs
23489         printout.
23491 2017-02-13  Nathan Sidwell  <nathan@acm.org>
23493         * gengtype-lex.l (<in_struct>): Add '/'.
23495 2017-02-13  Martin Liska  <mliska@suse.cz>
23497         PR c/79471
23498         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
23500 2017-02-13  Richard Biener  <rguenther@suse.de>
23502         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
23503         Remove.
23504         * configure: Re-generate.
23505         * config.in: Likewise.
23506         * graphite-dependences.c: Simplify as if
23507         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
23508         * graphite-isl-ast-to-gimple.c: Likewise.
23509         * graphite-optimize-isl.c: Likewise.
23510         * graphite-poly.c: Likewise.
23511         * graphite-sese-to-poly.c: Likewise.
23512         * graphite.h: Likewise.
23513         * toplev.c: Include isl/version.h and use isl_version () for
23514         printing the ISL version.
23515         * doc/install.texi: Update ISL requirement.
23517 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
23519         * doc/standards.texi (Standards): Update reference to
23520         Objective-C 2.0.
23522 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
23524         * doc/extend.texi (Named Address Spaces): sourceware.org now
23525         defaults to https.
23526         * doc/install.texi (Binaries): Ditto.
23527         (Specific): Ditto.
23529 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
23531         * doc/cpp.texi: Replace "stringify"/"stringification" with C
23532         standard terminology "stringize"/"stringizing" throughout.
23533         * doc/cppinternals.texi: Likewise.
23535 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
23537         * doc/extend.texi: Fix some spelling mistakes and typos.
23538         * doc/invoke.texi: Likewise.
23540 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
23542         PR ipa/79224
23543         * params.def (inline-min-speedup) Change from 10 to 8.
23545 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
23547         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
23548         4.5.
23550 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
23552         PR ipa/79224
23553         * ipa-inline-analysis.c (get_minimal_bb): New function.
23554         (record_modified): Use it.
23555         (remap_edge_change_prob): Handle also ancestor functions.
23557 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
23559         * doc/contrib.texi (Contributors): Remove broken link into
23560         the Mauve CVS repository.
23562 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
23564         PR middle-end/79454
23565         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
23566         result computation whenever lhs doesn't have vector mode, not
23567         just when it has BLKmode.
23569 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
23571         * doc/makefile.texi (profiledbootstrap): Refer to the
23572         installation instructions only in textual form.
23574 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23576         PR target/79295
23577         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
23579 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
23581         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
23582         (Specific): Update mingw-w64 reference.
23583         (Binaries): Ditto.
23584         (Specific): Remove broken link to Renesas RX processor.
23586 2017-02-10  Richard Biener  <rguenther@suse.de>
23588         * toplev.c (process_options): Do not mention obsolete graphite
23589         options when printing sorry message about missing graphite support.
23590         Mention -floop-nest-optimize.
23592 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
23594         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
23595         (vtst_p16): Likewise.
23596         (vtstq_p8): Likewise.
23597         (vtstq_p16): Likewise.
23598         (vtst_p64): New.
23599         (vtstq_p64): Likewise.
23600         * config/arm/arm_neon.h (vgetq_lane_p64): New.
23601         (vset_lane_p64): New.
23602         (vsetq_lane_p64): New.
23604 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
23606         PR tree-optimization/79411
23607         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
23608         stmt operands are SSA_NAMEs used in abnormal phis.
23609         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
23610         phis.
23612 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
23614         PR ipa/70795
23615         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
23616         flag if needed.
23618 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
23620         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
23622 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
23624         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
23625         to avoid warning.
23627         PR c/79413
23628         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
23629         not arbitrary TREE_CONSTANT.
23631         PR c/79431
23632         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
23633         "omp declare target link" attribute unless is_global_var.
23634         * omp-offload.c (find_link_var_op): Likewise.
23636 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
23637             Chung-Lin Tang  <cltang@codesourcery.com>
23639         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
23640         OMP_CLAUSE_TILE.
23641         (gimplify_adjust_omp_clauses): Don't delete TILE.
23642         (gimplify_omp_for): Deal with TILE.
23643         * internal-fn.c (expand_GOACC_TILE): New function.
23644         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
23645         (GOACC_TILE): New.
23646         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
23647         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
23648         element fields.
23649         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
23650         avoid DIV for outermost collapse var.
23651         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
23652         Remove out of date comments, fix whitespace.
23653         * omp-general.c (omp_extract_for_data): Deal with tiling.
23654         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
23655         adjust OLF_DIM_BASE value.
23656         (struct omp_for_data): Add tiling field.
23657         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
23658         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
23659         for auto loops.  Remove default auto determining, moved to
23660         oacc_loop_fixed_partitions.
23661         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
23662         stmts, add e_mask field.
23663         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
23664         (oacc_thread_numbers): Use oacc_dim_call.
23665         (oacc_xform_tile): New.
23666         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
23667         (finish_oacc_loop): Adjust for ifns vector.
23668         (oacc_loop_discover_walk): Append loop abstraction sites to list,
23669         add case for GOACC_TILE fns.
23670         (oacc_loop_xform_loop): Delete.
23671         (oacc_loop_process): Iterate over call list directly, and add
23672         handling for GOACC_TILE fns.
23673         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
23674         dump partitioning.
23675         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
23676         vector partitioning to outer loops.  Assign 2 partitions to loops
23677         when available. Add TILE handling.
23678         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
23679         (execite_oacc_device_lower): Process GOACC_TILE fns,
23680         ignore unknown specs.
23681         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
23682         * tree.c (omp_clause_num_ops): Adjust TILE ops.
23683         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
23685 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
23687         * configure.ac (ACX_BUGURL): Update.
23688         * configure: Regenerate.
23690 2017-02-09  Richard Biener  <rguenther@suse.de>
23692         PR tree-optimization/69823
23693         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
23694         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
23696 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
23698         * config/arc/arc-c.def: Add __NPS400__ definition.
23699         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
23700         (TARGET_NPS400): Define.
23702 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
23704         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
23705         file.
23706         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
23707         pointer, arch_info.
23708         (arc_cpu_types): Fill the arch_info field with a pointer into the
23709         arc_arch_types table.
23710         (arc_selected_cpu): Declare.
23711         * config/arc/arc.c (arc_selected_cpu): Make global.
23712         (arc_selected_arch): Delete.
23713         (arc_base_cpu): Delete.
23714         (arc_override_options): Remove references to deleted variables,
23715         update access to arch information.
23716         (ARC_OPT): Update access to arch information.
23717         (ARC_OPTX): Likewise.
23718         * config/arc/arc.h (arc_base_cpu): Remove declaration.
23719         (TARGET_ARC600): Update access to arch information.
23720         (TARGET_ARC601): Likewise.
23721         (TARGET_ARC700): Likewise.
23722         (TARGET_EM): Likewise.
23723         (TARGET_HS): Likewise.
23724         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
23725         information.
23727 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
23729         PR target/78604
23730         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
23731         condition/operands for integer GE/LE/GEU/LEU operations.
23733 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
23735         PR translation/79397
23736         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
23737         of AltiVec.
23739 2017-02-08  Martin Jambor  <mjambor@suse.cz>
23741         PR ipa/79375
23742         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
23743         whether allocation happened.
23744         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
23745         nothing was allocated.
23747 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
23749         PR tree-optimization/79408
23750         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
23751         constant, but SSA_NAME with a known integer range, use the minimum
23752         of that range instead of op1 to determine if modulo can be replaced
23753         with its first operand.
23755 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23757         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
23759 2017-02-08  Richard Biener  <rguenther@suse.de>
23761         PR tree-optimization/71824
23762         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23763         Check all loops contained in the merged region.
23765 2017-02-07  Andrew Pinski  <apinski@cavium.com>
23767         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
23769 2017-02-07  Andrew Pinski  <apinski@cavium.com>
23771         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
23772         (thunderxt88): Likewise.
23773         (thunderxt81): Disable LSE and change v8.1 to v8.
23774         (thunderxt83): Likewise.
23776 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
23777             Richard Biener  <rguenther@suse.de>
23779         PR middle-end/79399
23780         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
23781         type from int to size_t.
23782         * ira-costs.c (struct_costs_size): Change type from int to size_t.
23784 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
23786         PR rtl-optimization/79386
23787         * cprop.c (bypass_conditional_jumps): Initialize
23788         bypass_last_basic_block already before splitting bbs after
23789         unconditional traps...
23790         (bypass_conditional_jumps): ... rather than here.
23792         PR target/79299
23793         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
23794         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
23795         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
23796         fix -masm=intel patterns.
23798 2017-02-07  Richard Biener  <rguenther@suse.de>
23800         PR tree-optimization/79256
23801         PR middle-end/79278
23802         * builtins.c (get_object_alignment_2): Use min_align_of_type
23803         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
23804         and ADJUST_FIELD_ALIGN.
23806         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
23807         type parameter.
23808         * doc/tm.texi: Regenerate.
23809         * stor-layout.c (layout_decl): Adjust.
23810         (update_alignment_for_field): Likewise.
23811         (place_field): Likewise.
23812         (min_align_of_type): Likewise.
23813         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
23814         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
23815         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
23816         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
23817         * config/frv/frv.c (frv_adjust_field_align): Likewise.
23818         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
23819         * config/i386/i386.c (x86_field_alignment): Likewise.
23820         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
23821         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
23822         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
23823         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
23824         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
23825         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
23826          Likewise.
23828         Revert
23829         2017-01-30  Richard Biener  <rguenther@suse.de>
23831         PR tree-optimization/79256
23832         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23833         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23834         alignment on TYPE.
23836 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
23838         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
23839         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
23840         builtins to SImode and emit a zero-extend, if necessary.
23842 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23844         * docs/invoke.texi (RISC-V Options): Alphabetize.
23846 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23848         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
23849         options.
23851 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23853         * config/riscv/riscv.c: New file.
23854         * common/config/riscv/riscv-common.c: Likewise.
23855         * config.gcc: Likewise.
23856         * config/riscv/constraints.md: Likewise.
23857         * config/riscv/elf.h: Likewise.
23858         * config/riscv/generic.md: Likewise.
23859         * config/riscv/linux.h: Likewise.
23860         * config/riscv/multilib-generator: Likewise.
23861         * config/riscv/peephole.md: Likewise.
23862         * config/riscv/pic.md: Likewise.
23863         * config/riscv/predicates.md: Likewise.
23864         * config/riscv/riscv-builtins.c: Likewise.
23865         * config/riscv/riscv-c.c: Likewise.
23866         * config/riscv/riscv-ftypes.def: Likewise.
23867         * config/riscv/riscv-modes.def: Likewise.
23868         * config/riscv/riscv-opts.h: Likewise.
23869         * config/riscv/riscv-protos.h: Likewise.
23870         * config/riscv/riscv.h: Likewise.
23871         * config/riscv/riscv.md: Likewise.
23872         * config/riscv/riscv.opt: Likewise.
23873         * config/riscv/sync.md: Likewise.
23874         * config/riscv/t-elf-multilib: Likewise.
23875         * config/riscv/t-linux: Likewise.
23876         * config/riscv/t-linux-multilib: Likewise.
23877         * config/riscv/t-riscv: Likewise.
23878         * configure.ac: Likewise.
23879         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
23880         Waterman as RISC-V maintainers.
23881         * doc/install.texi: Add RISC-V entries.
23882         * doc/invoke.texi: Add RISC-V options section.
23883         * doc/md.texi: Add RISC-V constraints section.
23884         * configure: Regenerated.
23886 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
23888         PR target/66144
23889         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
23890         false values to be constant vectors with all 0 or all 1 bits set.
23891         (vcondu<mode><mode>): Likewise.
23892         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
23893         predicate.
23894         (fpmask_comparison_operator): Update comment.
23895         (vecint_comparison_operator): New predicate.
23896         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
23897         vector conditionals when the true and false values are constant
23898         vectors with all 0 bits or all 1 bits set.
23900 2017-02-06  Martin Sebor  <msebor@redhat.com>
23902         PR  tree-optimization/79376
23903         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
23905 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
23907         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
23908         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
23909         to simplify split condition.
23911 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23913         * omp-expand.c (oxpand_omp_atomic_fetch_op,
23914         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
23915         false.
23917 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
23919         PR rtl-optimization/68664
23920         * target.def (can_speculate_insn): New hook.
23921         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
23922         * doc/tm.texi: Regenerate.
23923         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
23924         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
23925         (rs6000_sched_can_speculate_insn): New function.
23927 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23929         PR tree-optimization/79284
23930         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
23931         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
23932         vectorizable_mask_load_store, vectorizable_operation,
23933         vect_is_simple_cond, get_same_sized_vectype): Use it instead
23934         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
23935         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
23936         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
23937         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
23938         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
23939         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
23940         is_gimple_assign (stmt).  Replace another such test with
23941         is_gimple_assign (stmt).
23943 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23945         PR target/78883
23946         * config/avr/avr.c (rtl-iter.h): Include it.
23947         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
23948         (avr_legitimate_combined_insn): ...and implementation.
23950 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23952         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
23953         * config/s390/s390.c (s390_const_operand_ok)
23954         (s390_canonicalize_comparison, s390_extract_part)
23955         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
23956         (s390_contiguous_bitmask_p, s390_rtx_costs)
23957         (legitimize_pic_address): Likewise.
23958         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
23959         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
23960         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
23961         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
23962         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
23964 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23966         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
23967         REGNO($0) == REGNO($1).
23969 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23971         * config/s390/linux.h(SIZE_TYPE): Add comment.
23973 2017-02-06  Julian Brown  <julian@codesourcery.com>
23974             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23975             Virendra Pathak  <virendra.pathak@broadcom.com>
23977         * config/aarch64/aarch64-cores.def: Change the scheduler
23978         to Thunderx2t99.
23979         * config/aarch64/aarch64.md: Include thunderx2t99.md.
23980         * config/aarch64/thunderx2t99.md: New file.
23982 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23984         * doc/standards.texi (Go Language): Update link to language
23985         standard.
23987 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23989         * tree-eh.c (lower_resx): Sanitize profile.
23990         (cleanup_empty_eh_move_lp): Likewise.
23992 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23994         PR tree-ssa/79347
23995         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
23996         ELSE_PROB.
23997         * cfgloopmanip.h (loop_version): Update prototype.
23998         * modulo-sched.c (sms_schedule): Update call of loop_version.
23999         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
24000         * tree-parloops.c (gen_parallel_loop): Likewise.
24001         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
24002         * tree-ssa-loop-split.c (split_loop): Likewise.
24003         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
24004         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
24006 2017-02-05  Martin Liska  <mliska@suse.cz>
24008         PR bootstrap/78985
24009         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
24010         variable to NULL.
24011         (print_operand_address): Initialize a struct to zero.
24013 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
24015         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
24016         garbage collector only in textual form.
24018 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
24020         * doc/extend.texi (x86 specific memory model extensions for
24021         transactional memory): Simplify a phrase.
24023 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
24025         PR target/79353
24026         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
24027         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
24028         (atomic_storedi_1): Likewise.
24030 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
24032         PR tree-optimization/79338
24033         * tree-parloops.c (gather_scalar_reductions): Don't call
24034         vect_analyze_loop_form for loop->inner before destroying loop's
24035         loop_vinfo.
24037 2017-02-03  Martin Sebor  <msebor@redhat.com>
24039         PR tree-optimization/79327
24040         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
24041         when precision has resulted in leading zeros.
24042         (format_integer): Adjust the likely counter to assume an unknown
24043         argument that may be zero is non-zero.
24045 2017-02-03  Jason Merrill  <jason@redhat.com>
24047         PR c++/78689
24048         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
24049         avoid copying non-taken branch.
24051 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
24053         PR tree-optimization/79340
24054         * tree-vect-loop.c (vectorizable_reduction): Release
24055         vec_defs elements after safe_splicing them into other vectors.
24056         Formatting fixes.
24058         PR tree-optimization/79327
24059         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
24060         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
24061         dirtype.
24062         (format_integer): Use wide_int_to_tree instead of build_int_cst
24063         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
24064         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
24065         of shortest and longest sequence.
24067 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
24069         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
24070         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
24072 2017-02-03  Walter Lee  <walt@tilera.com>
24074         PR target/78862
24075         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
24076         after initial stackframe link reg save.
24077         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
24079 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
24081         PR target/79354
24082         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
24083         wu for stxssp alternative.
24085 2017-02-03  Martin Sebor  <msebor@redhat.com>
24087         PR tree-optimization/79352
24088         * gimple-fold.c (get_range_strlen): Add argument.
24089         (get_range_strlen): Change return type to bool.
24090         (get_maxval_strlen): Pass in a dummy argument.
24091         * gimple-fold.h (get_range_strlen): Change return type to bool.
24092         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
24093         * tree.h (array_at_struct_end_p): Add argument.
24094         * tree.c (array_at_struct_end_p): Handle it.
24096 2017-02-03  Martin Liska  <mliska@suse.cz>
24098         PR lto/66295
24099         * multiple_target.c (create_dispatcher_calls): Redirect edge
24100         from a caller of a dispatcher.
24101         (expand_target_clones): Make the clones local.
24102         (ipa_target_clone): Do both target clones and resolvers.
24103         (ipa_dispatcher_calls): Remove the pass.
24104         (pass_dispatcher_calls::gate): Likewise.
24105         (make_pass_dispatcher_calls): Likewise.
24106         * passes.def (pass_target_clone): Put as very first IPA early
24107         pass.
24109 2017-02-03  Martin Liska  <mliska@suse.cz>
24111         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
24112         in case of a function with ifunc attribute.
24114 2017-02-03  Martin Liska  <mliska@suse.cz>
24116         * cgraph.c (cgraph_node::dump): Dump function version info.
24117         * symtab.c (symtab_node::dump_base): Add missing new line.
24119 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
24121         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
24122         (ifcombine_ifandif): Use it.
24124 2017-02-03  Martin Liska  <mliska@suse.cz>
24126         * doc/invoke.texi: Document default value for
24127         use-after-scope-direct-emission-threshold.
24129 2017-02-03  Martin Liska  <mliska@suse.cz>
24131         PR tree-optimization/79339
24132         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
24133         (format_floating): Likewise.
24135 2017-02-03  Martin Liska  <mliska@suse.cz>
24137         PR ipa/79337
24138         * ipa-prop.c (ipa_node_params_t::insert): Remove current
24139         implementation.
24140         (ipa_node_params_t::remove): Likewise.
24141         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
24142         initialization from removed ipa_node_params_t::insert.
24143         (ipa_node_params::~ipa_node_params): Move from removed
24144         ipa_node_params_t::release.
24145         * symbol-summary.h (symbol_summary::m_released): New member.
24146         Do not release a summary twice.  Do not allow to call finalizer
24147         for types of a summary that live in GGC memory.
24149 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
24151         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
24152         cmp_branch fusion.
24154 2017-02-02  Martin Sebor  <msebor@redhat.com>
24156         PR middle-end/79275
24157         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
24158         (format_string): Tighten up the range of output for non-constant
24159         strings and correct the expected range for wide non-constant strings.
24161 2017-02-02  Martin Sebor  <msebor@redhat.com>
24163         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
24165         PR middle-end/32003
24166         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
24167         index.
24168         (-fdump-tree-@var): Add to index and document how to come up
24169         with pass-specific option and dump file names.
24170         (-fdump-passes): Clarify where to look for output.
24172 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
24174         PR middle-end/77445
24175         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
24176         statistics of the analyzed path; allow threading for speed when
24177         any of BBs along the path are optimized for speed.
24179 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
24181         PR middle-end/78468
24182         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
24183         settings of the virtual registers.
24185         Revert again
24186         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
24188         * explow.c (get_dynamic_stack_size): Take known alignment of stack
24189         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
24190         needed.
24192 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24194         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
24195         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
24197 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24199         * config/s390/s390.md: Add missing comments with the expanded
24200         mnemonics.
24201         * config/s390/vector.md: Likewise.
24202         * config/s390/vx-builtins.md: Likewise.
24204 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
24206         PR target/79197
24207         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
24208         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
24209         conditions on a single line.
24211 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24213         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
24214         __S390_VX__ to __VX__.
24216 2017-02-01  Andrew Pinski  <apinski@cavium.com>
24218         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
24219         stmt_info to record_stmt_cost.
24220         (vect_get_known_peeling_cost): Pass stmt_info if known to
24221         record_stmt_cost.
24222         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
24223         cpu_vector_cost field into
24224         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
24225         field into vec_int_stmt_cost and vec_fp_stmt_cost.
24226         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
24227         splitting of scalar_stmt_cost and vec_stmt_cost.
24228         (thunderx_vector_cost): Likewise.
24229         (cortexa57_vector_cost): LIkewise.
24230         (exynosm1_vector_cost): Likewise.
24231         (xgene1_vector_cost): Likewise.
24232         (thunderx2t99_vector_cost): Improve after the splitting of the two
24233         fields.
24234         (aarch64_builtin_vectorization_cost): Update for the splitting of
24235         scalar_stmt_cost and vec_stmt_cost.
24237 2017-02-01  Torvald Riegel  <triegel@redhat.com>
24238             Richard Henderson  <rth@redhat.com>
24240         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
24241         conditional on existance of a fast atomic load.
24242         * optabs-query.c (can_atomic_load_p): New function.
24243         * optabs-query.h (can_atomic_load_p): Declare it.
24244         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
24245         no fast atomic load is available for the particular size of access.
24246         (expand_atomic_compare_and_swap): Likewise.
24247         (expand_atomic_load): Likewise.
24248         (expand_atomic_store): Likewise.
24249         (expand_atomic_fetch_op): Likewise.
24250         * testsuite/lib/target-supports.exp
24251         (check_effective_target_sync_int_128): Remove x86 because it provides
24252         no fast atomic load.
24253         (check_effective_target_sync_int_128_runtime): Likewise.
24255 2017-02-01  Richard Biener  <rguenther@suse.de>
24257         * graphite.c: Include tree-vectorizer.h for find_loop_location.
24258         (graphite_transform_loops): Provide opt-info for optimized nests.
24259         * tree-parloop.c (parallelize_loops): Provide opt-info for
24260         parallelized loops.
24262 2017-02-01  Richard Biener  <rguenther@suse.de>
24264         PR middle-end/79315
24265         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
24266         was not set before.
24268 2017-02-01  Richard Biener  <rguenther@suse.de>
24270         PR tree-optimization/71824
24271         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
24272         Verify the loops are valid in the merged SESE region.
24273         (scop_detection::can_represent_loop_1): Check analyzing the
24274         evolution of the number of iterations in the region succeeds.
24276 2017-01-31  Ian Lance Taylor  <iant@golang.org>
24278         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
24279         REG_ARGS_SIZE note to 32-bit push insns and call insn.
24281 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
24283         PR preprocessor/79210
24284         * input.c (get_substring_ranges_for_loc): Replace line_width
24285         assertion with error-handling.
24287 2017-01-31  Richard Biener  <rguenther@suse.de>
24289         PR tree-optimization/77318
24290         * graphite-sese-to-poly.c (extract_affine): Fix assert.
24291         (create_pw_aff_from_tree): Take loop parameter.
24292         (add_condition_to_pbb): Pass loop of the condition to
24293         create_pw_aff_from_tree.
24295 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
24297         * config/s390/s390.c (s390_asan_shadow_offset): New function.
24298         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
24300 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
24302         PR target/78597
24303         PR target/79038
24304         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
24305         no longer used.
24306         (convert_int_to_float128): Likewise.
24307         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
24308         (convert_int_to_float128): Likewise.
24309         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
24310         (UNSPEC_IEEE128_CONVERT): Likewise.
24311         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
24312         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
24313         Use local variables for IBM extended format.
24314         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
24315         (fix_trunc<mode>si2_fprs): Likewise.
24316         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
24317         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
24318         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
24319         to know that we can now have integers of all sizes in vector
24320         registers.
24321         (fix<uns>_<mode>di2_hw): Likewise.
24322         (float<uns>_<mode>si2_hw): Likewise.
24323         (fix_<mode>si2_hw): Likewise.
24324         (fixuns_<mode>si2_hw): Likewise.
24325         (float<uns>_<mode>di2_hw): Likewise.
24326         (float_<mode>di2_hw): Likewise.
24327         (float_<mode>si2_hw): Likewise.
24328         (floatuns_<mode>di2_hw): Likewise.
24329         (floatuns_<mode>si2_hw): Likewise.
24330         (xscvqp<su>wz_<mode>): Delete, no longer used.
24331         (xscvqp<su>dz_<mode>): Likewise.
24332         (xscv<su>dqp_<mode>): Likewise.
24333         (ieee128_mfvsrd_64bit): Likewise.
24334         (ieee128_mfvsrd_32bit): Likewise.
24335         (ieee128_mfvsrwz): Likewise.
24336         (ieee128_mtvsrw): Likewise.
24337         (ieee128_mtvsrd_64bit): Likewise.
24338         (ieee128_mtvsrd_32bit): Likewise.
24340 2017-01-31  Martin Liska  <mliska@suse.cz>
24342         PR ipa/79285
24343         * ipa-prop.c (ipa_free_all_node_params): Call release method
24344         instead of ~sumbol_summary to not to trigger double times
24345         dtor of hash_map.
24347 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
24349         PR tree-optimization/71691
24350         * bitmap.h (class auto_bitmap): New.
24351         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
24352         is_maybe_undefined instead of ssa_undefined_value_p.
24354 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24356         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
24357         __S390_ARCH_LEVEL__ to __ARCH__.
24359 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
24361         PR tree-optimization/79267
24362         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
24363         if should_remove_lhs_p is true.
24365 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
24367         PR debug/63238
24368         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
24369         (add_alignment_attribute): New.
24370         (base_type_die): Add alignment attribute.
24371         (subrange_type_die): Likewise.
24372         (modified_type_die): Likewise.
24373         (gen_array_type_die): Likewise.
24374         (gen_descr_array_type_die: Likewise.
24375         (gen_enumeration_type_die): Likewise.
24376         (gen_subprogram_die): Likewise.
24377         (gen_variable_die): Likewise.
24378         (gen_field_die): Likewise.
24379         (gen_ptr_to_mbr_type_die): Likewise.
24380         (gen_struct_or_union_type_die): Likewise.
24381         (gen_subroutine_type_die): Likewise.
24382         (gen_typedef_die): Likewise.
24383         (base_type_cmp): Compare alignment attribute.
24385 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24387         PR target/79170
24388         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
24389         (setb_unsigned) New pattern for setb with CCUNS.
24390         * config/rs6000/rs6000.c (expand_block_compare): Use a different
24391         subfc./subfe sequence to avoid overflow problems.  Generate a
24392         shorter sequence with cmpld/setb for power9.
24393         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
24394         for generating subfc. instruction.
24395         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
24396         now uses this instruction.
24398 2017-01-30  Ian Lance Taylor  <iant@google.com>
24400         PR debug/79289
24401         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
24402         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
24404 2017-01-30  Martin Sebor  <msebor@redhat.com>
24406         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
24407         Move constant to the right of a relational operator.
24408         (get_mpfr_format_length, format_character, format_string): Ditto.
24409         (should_warn_p, maybe_warn): Same.
24411         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
24413 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
24415         PR lto/79061
24416         * asan.c (get_translation_unit_decl): Remove function.
24417         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
24419 2017-01-30  Martin Liska  <mliska@suse.cz>
24421         PR gcov-profile/79259
24422         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
24423         -fprofile-generate.
24425 2017-01-30  Martin Liska  <mliska@suse.cz>
24427         PR bootstrap/78985
24428         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
24429         Initialize variables with NULL value.
24431 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
24433         PR target/79260
24434         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
24435         tm_p_file.
24436         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
24438 2017-01-30  Richard Biener  <rguenther@suse.de>
24440         PR tree-optimization/79276
24441         * tree-vrp.c (process_assert_insertions): Properly adjust common
24442         when removing a duplicate.
24444         * gcc.dg/torture/pr79276.c: New testcase.
24446 2017-01-30  Richard Biener  <rguenther@suse.de>
24448         PR tree-optimization/79256
24449         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
24450         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
24451         alignment on TYPE.
24452         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
24454 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
24456         PR target/79240
24457         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
24458         ("*r<noxa>sbg_<mode>_sll_bitmask")
24459         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
24460         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
24461         Use contiguous_bitmask_nowrap_operand.
24463 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24465         PR target/79268
24466         * config/rs6000/altivec.h (vec_xl): Revise #define.
24467         (vec_xst): Likewise.
24469 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
24471         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
24473 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
24475         PR rtl-optimization/79194
24476         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
24477         traps before call to bypass_conditional_jumps.
24479 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
24481         PR tree-optimization/71374
24482         * lra-constraints.c (check_conflict_input_operands): New.
24483         (match_reload): Use it.
24485 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
24487         PR target/79131
24488         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
24489         account to calculate conflict_set.
24491 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
24493         PR rtl-optimization/78559
24494         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
24495         other_insn in combine.
24497 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
24499         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
24500         uint16_type_node for BT_UINT16.
24502 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
24504         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
24505         "RTL Tests" to menu.
24506         (GIMPLE Tests): New node.
24507         (RTL Tests): New node.
24509 2017-01-27  Richard Biener  <rguenther@suse.de>
24511         PR tree-optimization/79245
24512         * tree-loop-distribution.c (distribute_loop): Apply cost
24513         modeling also to detected patterns.
24515 2017-01-27  Richard Biener  <rguenther@suse.de>
24517         PR tree-optimization/71433
24518         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
24519         (compare_assert_loc): New function.
24520         (process_assert_insertions): Sort and optimize assert locations
24521         to remove duplicates and push down identical assertions on
24522         edges to their destination block.
24524 2017-01-27  Richard Biener  <rguenther@suse.de>
24526         PR tree-optimization/79244
24527         * tree-vrp.c (remove_range_assertions): Forcefully propagate
24528         out SSA names even if abnormal.
24530 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
24532         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
24533         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
24534         instead of MPFR_RNDN.
24536 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
24538         PR target/79239
24539         * arm.c (arm_option_override): Don't call build_target_option_node
24540         until after doing all option overrides.
24541         (arm_valid_target_attribute_tree): Likewise.
24543 2017-01-27  Martin Liska  <mliska@suse.cz>
24545         * doc/invoke.texi (-fprofile-arcs): Document profiling support
24546         for {cd}tors and C++ {cd}tors.
24548 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
24550         * config/s390/s390.md ("*setmem_long_and")
24551         ("*setmem_long_and_31z"): Use zero_extend instead of and.
24553 2017-01-26  Martin Sebor  <msebor@redhat.com>
24555         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
24556         of precision.
24558 2017-01-26  Martin Sebor  <msebor@redhat.com>
24560         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
24561         HAVE_DFmode before using XFmode or DFmode.
24562         (parse_directive): Avoid using the z length modifier to avoid
24563         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
24565         PR middle-end/78703
24566         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
24567         to accept adjustment as an array.
24568         (get_int_range): New function.
24569         (struct directive): Make width and prec arrays.
24570         (directive::set_width, directive::set_precision): Call get_int_range.
24571         (format_integer, format_floating): Handle width and precision ranges.
24572         (format_string, parse_directive): Same.
24574 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24576         PR debug/79129
24577         * dwarf2out.c (generate_skeleton_bottom_up): For children with
24578         comdat_type_p set, just clone them, but keep the children in the
24579         original DIE.
24581         PR debug/78835
24582         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
24583         which have direct callers with -fvar-tracking-assignments enabled
24584         in the current TU.
24585         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
24586         inside of type units.
24588 2017-01-26  Martin Sebor  <msebor@redhat.com>
24590         PR middle-end/78703
24591         * gimple-ssa-sprintf.c (struct result_range): Add likely and
24592         unlikely counters.
24593         (struct format_result): Replace number_chars, number_chars_min,
24594         and number_chars_max with a single member of struct result_range.
24595         Remove bounded.
24596         (format_result::operator+=): Adjust.
24597         (struct fmtresult): Remove bounded.  Handle likely and unlikely
24598         counters.
24599         (fmtresult::adjust_for_width_or_precision): New function.
24600         (fmtresult:type_max_digits): New function.
24601         (bytes_remaining): Handle likely and unlikely counters.
24602         (min_bytes_remaining): Remove.
24603         (format_percent): Simplify.
24604         (format_integer, format_floating): Set likely and unlikely counters.
24605         (get_string_length, format_character, format_string): Same.
24606         (format_plain, should_warn_p): New function.
24607         (maybe_warn): Call should_warn_p.  Update diagnostic messages
24608         and handle those for all directives, including plain strings.
24609         (format_directive): Handle likely and unlikely counters.
24610         Remove unnecessary quoting from diagnostics.  Add an informational
24611         note.
24612         (add_bytes): Remove.
24613         (pass_sprintf_length::compute_format_length): Simplify.
24614         (try_substitute_return_value): Handle likely and unlikely counters.
24616 2017-01-26  Carl Love  <cel@us.ibm.com>
24618         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
24619         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
24621 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
24623         PR target/79131
24624         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
24625         endianess for subregs into account.
24626         * lra-constraints.c (lra_constraints): Do risky transformations
24627         always on the first iteration.
24628         * lra-lives.c (check_pseudos_live_through_calls): Add arg
24629         last_call_used_reg_set.
24630         (process_bb_lives): Define and use last_call_used_reg_set.
24631         * lra.c (lra): Always continue after lra_constraints on the first
24632         iteration.
24634 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
24636         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
24637         constant.
24638         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
24640 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24642         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
24643         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
24644         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
24645         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
24646         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
24647         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
24648         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
24649         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
24650         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
24652 2017-01-26  Marek Polacek  <polacek@redhat.com>
24654         PR c/79199
24655         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
24656         for the third operand.
24658 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24660         PR middle-end/79236
24661         * omp-low.c (struct omp_context): Add simt_stmt field.
24662         (scan_omp_for): Return omp_context *.
24663         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
24664         context to the _simt_ SIMD stmt.
24665         (lower_omp_for): For combined SIMD with sibling _simt_
24666         SIMD, make sure to use the same decls in _looptemp_
24667         clauses as in the sibling.
24669 2017-01-26  David Sherwood  <david.sherwood@arm.com>
24671         PR middle-end/79212
24672         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
24673         all contexts.
24675 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24677         PR target/70465
24678         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
24679         emit fld b; fld a; if possible.
24681         * brig-builtins.def: Update copyright years.
24682         * config/arm/arm_acle_builtins.def: Update copyright years.
24684 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
24686         PR target/79179
24687         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
24688         constraint instead of o for the stxsd instruction.
24690 2017-01-25  Carl Love  <cel@us.ibm.com>
24692         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
24693         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
24695 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
24697         * doc/invoke.texi (C++ Dialect Options): Fix typo.
24699 2017-01-25  Richard Biener  <rguenther@suse.de>
24701         PR tree-optimization/69264
24702         * target.def (vector_alignment_reachable): Improve documentation.
24703         * doc/tm.texi: Regenerate.
24704         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
24705         and add a comment.
24706         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
24707         earlier changes with respect to TYPE_USER_ALIGN.
24708         (vector_alignment_reachable_p): Likewise.  Improve dumping.
24710 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24712         PR target/79145
24713         * config/arm/arm.md (xordi3): Force constant operand into a register
24714         for TARGET_IWMMXT.
24716 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24718         * doc/invoke.texi (-fstore-merging): Correct default optimization
24719         levels at which it is enabled.
24720         (-O): Move -fstore-merging from list to...
24721         (-O2): ... Here.
24723 2017-01-25  Richard Biener  <rguenther@suse.de>
24725         PR debug/78363
24726         * omp-expand.c: Include debug.h.
24727         (expand_omp_taskreg): Make sure to generate early debug before
24728         outlining anything from a function.
24729         (expand_omp_target): Likewise.
24730         (grid_expand_target_grid_body): Likewise.
24732 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
24734         PR lto/79061
24735         * asan.c (get_translation_unit_decl): New function.
24736         (asan_add_global): Extract modules file name from globals
24737         TRANSLATION_UNIT_DECL name.
24739 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
24741         PR target/77439
24742         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
24743         for long calls with APCS frame and VFP.
24745 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
24747         * cfg.c (original_copy_tables_initialized_p): New function.
24748         * cfg.h (original_copy_tables_initialized_p): New decl.
24749         * cfgrtl.c (relink_block_chain): Guard the call to
24750         free_original_copy_tables with a call to
24751         original_copy_tables_initialized_p.
24752         * cgraph.h (symtab_node::native_rtl_p): New decl.
24753         * cgraphunit.c (symtab_node::native_rtl_p): New function.
24754         (symtab_node::needed_p): Don't assert for early assembly output
24755         for __RTL functions.
24756         (cgraph_node::finalize_function): Set "force_output" for __RTL
24757         functions.
24758         (cgraph_node::analyze): Bail out early for __RTL functions.
24759         (analyze_functions): Update assertion to support __RTL functions.
24760         (cgraph_node::expand): Bail out early for __RTL functions.
24761         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
24762         __RTL functions.
24763         * function.h (struct function): Update comment for field
24764         "pass_startwith".
24765         * gimple-expr.c: Include "tree-pass.h".
24766         (gimple_has_body_p): Return false for __RTL functions.
24767         * Makefile.in (OBJS): Add run-rtl-passes.o.
24768         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
24769         accessor.
24770         (gcc::pass_manager::get_clean_slate): New accessor.
24771         * passes.c: Include "insn-addr.h".
24772         (should_skip_pass_p): Add logging.  Update logic for running
24773         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
24774         property-provider override so it is only done for gimple passes.
24775         Don't skip dfinit.
24776         (skip_pass): New function.
24777         (execute_one_pass): Call skip_pass when skipping passes.
24778         * read-md.c (md_reader::read_char): Support filtering
24779         the input to a subset of line numbers.
24780         (md_reader::md_reader): Initialize fields
24781         m_first_line and m_last_line.
24782         (md_reader::read_file_fragment): New function.
24783         * read-md.h (md_reader::read_file_fragment): New decl.
24784         (md_reader::m_first_line): New field.
24785         (md_reader::m_last_line): New field.
24786         * read-rtl-function.c (function_reader::create_function): Only
24787         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
24788         curr_properties.  Set DECL_INITIAL to a dummy block.
24789         (read_rtl_function_body_from_file_range): New function.
24790         * read-rtl-function.h (read_rtl_function_body_from_file_range):
24791         New decl.
24792         * run-rtl-passes.c: New file.
24793         * run-rtl-passes.h: New file.
24795 2017-01-24  Jeff Law  <law@redhat.com>
24797         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
24798         buffer size.
24800 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
24802         PR tree-optimization/79159
24803         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
24804         (record_nonwrapping_iv): Improve boundary using above function if no
24805         value range information.
24807 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
24808             Martin Jambor  <mjambor@suse.cz>
24810         * brig-builtins.def: New file.
24811         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
24812         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
24813         (DEF_HSAIL_SAT_BUILTIN): Likewise.
24814         (DEF_HSAIL_INTR_BUILTIN): Likewise.
24815         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
24816         * builtin-types.def (BT_INT8): New.
24817         (BT_INT16): Likewise.
24818         (BT_UINT8): Likewise.
24819         (BT_UINT16): Likewise.
24820         (BT_FN_ULONG): Likewise.
24821         (BT_FN_UINT_INT): Likewise.
24822         (BT_FN_UINT_ULONG): Likewise.
24823         (BT_FN_UINT_LONG): Likewise.
24824         (BT_FN_UINT_PTR): Likewise.
24825         (BT_FN_ULONG_PTR): Likewise.
24826         (BT_FN_INT8_FLOAT): Likewise.
24827         (BT_FN_INT16_FLOAT): Likewise.
24828         (BT_FN_UINT32_FLOAT): Likewise.
24829         (BT_FN_UINT16_FLOAT): Likewise.
24830         (BT_FN_UINT8_FLOAT): Likewise.
24831         (BT_FN_UINT64_FLOAT): Likewise.
24832         (BT_FN_UINT16_UINT32): Likewise.
24833         (BT_FN_UINT32_UINT16): Likewise.
24834         (BT_FN_UINT16_UINT16_UINT16): Likewise.
24835         (BT_FN_INT_PTR_INT): Likewise.
24836         (BT_FN_UINT_PTR_UINT): Likewise.
24837         (BT_FN_LONG_PTR_LONG): Likewise.
24838         (BT_FN_ULONG_PTR_ULONG): Likewise.
24839         (BT_FN_VOID_UINT64_UINT64): Likewise.
24840         (BT_FN_UINT8_UINT8_UINT8): Likewise.
24841         (BT_FN_INT8_INT8_INT8): Likewise.
24842         (BT_FN_INT16_INT16_INT16): Likewise.
24843         (BT_FN_INT_INT_INT): Likewise.
24844         (BT_FN_UINT_FLOAT_UINT): Likewise.
24845         (BT_FN_FLOAT_UINT_UINT): Likewise.
24846         (BT_FN_ULONG_UINT_UINT): Likewise.
24847         (BT_FN_ULONG_UINT_PTR): Likewise.
24848         (BT_FN_ULONG_ULONG_ULONG): Likewise.
24849         (BT_FN_UINT_UINT_UINT): Likewise.
24850         (BT_FN_VOID_UINT_PTR): Likewise.
24851         (BT_FN_UINT_UINT_PTR: Likewise.
24852         (BT_FN_UINT32_UINT64_PTR): Likewise.
24853         (BT_FN_INT_INT_UINT_UINT): Likewise.
24854         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
24855         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
24856         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
24857         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
24858         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
24859         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
24860         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
24861         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
24862         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
24863         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
24864         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
24865         * doc/frontends.texi: List BRIG FE.
24866         * doc/install.texi (Testing): Add BRIG tesring requirements.
24867         * doc/invoke.texi (Overall Options): Mention BRIG.
24868         * doc/standards.texi (Standards): Doucment BRIG HSA version.
24870 2017-01-24  Richard Biener  <rguenther@suse.de>
24872         PR translation/79208
24873         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
24875 2017-01-24  Martin Jambor  <mjambor@suse.cz>
24877         PR bootstrap/79198
24878         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
24879         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
24880         and known_contexts.
24882 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
24884         PR middle-end/79123
24885         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
24886         casts from signed to unsigned really don't have a range.
24888 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
24890         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
24891         GMP_RNDx for compatiblity.
24893 2017-01-24  Martin Liska  <mliska@suse.cz>
24895         PR bootstrap/79132
24896         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
24897         that would prevent us to call alloca with -1 as argument.
24899 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
24901         * dwarf2out.c (output_compilation_unit_header, output_file_names):
24902         Avoid -Wformat-security warning.
24904 2017-01-23  Andrew Pinski  <apinski@cavium.com>
24906         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
24907         cost table.
24909 2017-01-23  Martin Sebor  <msebor@redhat.com>
24911         PR middle-end/78703
24912         * gimple-ssa-sprintf.c (warn_level): New global.
24913         (format_integer): Use it here and throughout the rest of the file.
24914         Use the same switch to compute sign as base.
24915         (maybe_warn): New function.
24916         (format_directive): Factor out warnings into maybe_warn.
24917         Add debugging output.  Use warn_level.
24918         (add_bytes): Use warn_level.
24919         (pass_sprintf_length::compute_format_length): Add debugging output.
24920         (try_substitute_return_value): Same.
24921         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
24923         PR middle-end/78703
24924         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
24925         (struct fmtresult, format_integer, format_floating): Adjust.
24926         (fmtresult::fmtresult): Set max correctly in two argument ctor.
24927         (get_string_length, format_string,format_directive): Same.
24928         (pass_sprintf_length::compute_format_length): Same.
24929         (try_substitute_return_value): Simplify slightly.
24931         PR middle-end/78703
24932         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
24933         (fmtresult::operator+=): Outlined.
24934         (struct fmtresult): Add ctors.
24935         (struct conversion_spec): Rename...
24936         (struct directive): ...to this.  Add and remove data members.
24937         (directive::set_width, directive::set_precision): New functions.
24938         (format_percent): Use fmtresult ctor.
24939         (get_width_and_precision): Remove.
24940         (format_integer): Make naming changes.  Avoid computing width and
24941         precision.
24942         (format_floating): Same.  Adjust indentation.
24943         (format_character, format_none): New functions.
24944         (format_string): Moved character handling to format_character.
24945         (format_directive): Remove arguments, change return type.
24946         (parse_directive): New function.
24947         (pass_sprintf_length::compute_format_length): Move directive
24948         parsing to parse_directive.
24950 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24952         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
24953         (assign_assembler_name_if_needed): ... this.
24954         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
24955         (assign_assembler_name_if_needed): ... this.
24956         (free_lang_data_in_cgraph): Adjust callers.
24957         * cgraphunit.c (cgraph_node::analyze): Likewise.
24958         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
24959         Likewise.
24961 2017-01-23  Richard Biener  <rguenther@suse.de>
24963         PR tree-optimization/79088
24964         PR tree-optimization/79188
24965         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
24966         resetting loop bounds after last path deletion.  Reset loop
24967         bounds of the target loop, make code match the comments.
24968         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
24969         Make sure loops need no fixups.
24971 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
24973         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
24974         exponent support with double type for first argument.
24975         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
24976         type returned by __builtin_vec_extract_sig,
24977         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
24978         functions from "vector int" to "vector unsigned int" or from
24979         "vector long long int" to "vector unsigned long long int".
24980         Changed type returned by __builtin_vec_extract_exp,
24981         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
24982         functions from "vector int" to "vector unsigned int" or from
24983         "vector long long int" to "vector unsigned long long int".
24984         Changed return type of __builtin_vec_test_data_class,
24985         __builtin_vec_test_data_class_sp, and
24986         __builtin_vec_test_data_class_dp from "vector int" to
24987         "vector bool int" or from "vector long long int" to "vector bool
24988         long long int" and changed second argument type from "unsigned
24989         int" to "int".  Added new overloaded function forms "vector float
24990         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
24991         "vector float __builtin_vec_insert_exp_sp (vector float, vector
24992         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
24993         double, vector unsigned long long int)" and "vector double
24994         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
24995         long int)".  Changed return type of
24996         __builtin_scalar_test_data_class and
24997         __builtin_scalar_test_data_class_sp and
24998         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
24999         int" and changed second argument from "unsigned int" to "int".
25000         Changed type returned by __builtin_scalar_test_neg,
25001         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
25002         from "int" to "bool int".  Added new overloaded function form
25003         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
25004         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
25005         exponent double-precision with floating point first argument.
25006         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
25007         documentation of scalar_test_data_class, scalar_test_neg,
25008         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
25009         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
25010         vec_test_data_class built-in functions to reflect refinements in
25011         their type signatures.
25013 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
25015         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
25016         size of buf.
25017         (aarch64_elf_asm_destructor): Likewise.
25019 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
25021         PR rtl-optimization/78634
25022         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
25023         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
25024         * ifcvt.c (noce_try_cmove): Add missing cost check.
25026         PR rtl-optimization/71724
25027         * combine.c (if_then_else_cond): Look for situations where it is
25028         beneficial to undo the work of one of the recursive calls.
25030 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
25032         PR tree-optimization/70754
25033         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
25034         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
25035         combined stmt before it if not NULL.
25036         (combine_chains): Process refs reversely and compute dominance point
25037         for root ref.
25039 2017-01-23  Martin Liska  <mliska@suse.cz>
25041         PR tree-optimization/79196
25042         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
25043         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
25044         instead of memcmp.
25045         (strlen_optimize_stmt): Call the renamed function.
25047 2017-01-23  Michael Matz  <matz@suse.de>
25049         PR tree-optimization/78384
25050         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
25052 2017-01-23  Richard Biener  <rguenther@suse.de>
25054         PR tree-optimization/79186
25055         * tree-vrp.c (register_new_assert_for): Make sure we've seen
25056         both incoming edges before moving an assert.
25058 2017-01-23  Martin Jambor  <mjambor@suse.cz>
25060         * ipa-prop.c (load_from_param_1): Removed.
25061         (load_from_unmodified_param): Bits from load_from_param_1 put back
25062         here.
25063         (load_from_param): Removed.
25064         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
25065         with stmt.  Reverted back to use of load_from_unmodified_param.
25067 2017-01-23  Martin Jambor  <mjambor@suse.cz>
25069         PR ipa/79108
25070         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
25071         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
25072         field a pointer to garbage collected vector, mark lattices and
25073         ipcp_orig_node with GTY((skip)).
25074         (ipa_get_param_count): Adjust to descriptors being a pointer.
25075         (ipa_get_param): Likewise.
25076         (ipa_get_type): Likewise.
25077         (ipa_get_param_move_cost): Likewise.
25078         (ipa_set_param_used): Likewise.
25079         (ipa_get_controlled_uses): Likewise.
25080         (ipa_set_controlled_uses): Likewise.
25081         (ipa_is_param_used): Likewise.
25082         (ipa_node_params_t): Move into garbage collector.  New methods insert
25083         and remove.
25084         (ipa_node_params_sum): Annotate wth GTY(()).
25085         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
25086         garbage collected.
25087         (ipa_load_from_parm_agg): Adjust declaration.
25088         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
25089         * ipa-profile.c (ipa_profile): Likewise.
25090         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
25091         (ipa_populate_param_decls): Make descriptors parameter garbage
25092         collected.
25093         (ipa_dump_param): Adjust to descriptors being a pointer.
25094         (ipa_alloc_node_params): Likewise.
25095         (ipa_initialize_node_params): Likewise.
25096         (load_from_param_1): Make descriptors parameter garbage collected.
25097         (load_from_unmodified_param): Likewise.
25098         (load_from_param): Likewise.
25099         (ipa_load_from_parm_agg): Likewise.
25100         (ipa_node_params::~ipa_node_params): Removed.
25101         (ipa_free_all_node_params): Remove call to delete operator.
25102         (ipa_node_params_t::insert): New.
25103         (ipa_node_params_t::remove): Likewise.
25104         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
25105         copy known_csts and known_contexts vectors.
25106         (ipa_read_node_info): Adjust to descriptors being a pointer.
25107         (ipcp_modif_dom_walker): Make m_descriptors field garbage
25108         collected.
25109         (ipcp_transform_function): Make descriptors variable garbage
25110         collected.
25112 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
25114         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
25115         * config/i386/avx512dqintrin.h: Ditto.
25116         * config/i386/avx512fintrin.h: Ditto.
25117         * config/i386/i386.c: Handle new builtins.
25118         * config/i386/i386-builtin.def: Add new builtins.
25119         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
25120         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
25122 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
25123             Martin Liska  <mliska@suse.cz>
25125         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
25126         * asan.c (asan_expand_poison_ifn): Support stores and use
25127         appropriate ASAN report function.
25128         * internal-fn.c (expand_ASAN_POISON_USE): New function.
25129         * internal-fn.def (ASAN_POISON_USE): Declare.
25130         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
25131         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
25132         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
25133         ASAN_POISON calls w/o LHS.
25134         * tree-ssa.c (execute_update_addresses_taken): Create clobber
25135         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
25136         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
25137         * gimplify.c (asan_poison_variables): Add attribute
25138         use_after_scope_memory to variables that really needs to live
25139         in memory.
25140         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
25141         having the attribute.
25143 2017-01-23  Martin Liska  <mliska@suse.cz>
25145         * asan.c (create_asan_shadow_var): New function.
25146         (asan_expand_poison_ifn): Likewise.
25147         * asan.h (asan_expand_poison_ifn): New declaration.
25148         * internal-fn.c (expand_ASAN_POISON): Likewise.
25149         * internal-fn.def (ASAN_POISON): New builtin.
25150         * sanopt.c (pass_sanopt::execute): Expand
25151         asan_expand_poison_ifn.
25152         * tree-inline.c (copy_decl_for_dup_finish): Make function
25153         external.
25154         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
25155         * tree-ssa.c (is_asan_mark_p): New function.
25156         (execute_update_addresses_taken): Rewrite local variables
25157         (identified just by use-after-scope as addressable) into SSA.
25159 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
25161         * doc/install.texi (Specific): opensource.apple.com uses https
25162         now. Remove trailing slash.
25164 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
25166         * README.Portability: Remove note on an Irix compatibility issue.
25168 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
25170         * gcov.c (INCLUDE_ALGORITHM): Define.
25171         (INCLUDE_VECTOR): Define.
25172         No longer include <vector> and <algorithm> directly.
25174 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
25176         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
25177         to https.
25178         * doc/invoke.texi (Code Gen Options): Ditto.
25180 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
25182         PR lto/78407
25183         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
25185 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
25187         rtl-optimization/79125
25188         * cprop.c (local_cprop_pass): Handle cases where we make an
25189         unconditional trap.
25191 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
25193         PR target/61729
25194         PR target/77850
25195         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
25196         read from, for big endian.
25198 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
25200         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
25201         register pauth builtins for LP64 only.
25203 2017-01-20  Marek Polacek  <polacek@redhat.com>
25205         PR c/79152
25206         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
25207         non-case labels.
25209 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
25211         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
25212         of safelen status.
25213         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
25214         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
25215         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
25217 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25219         PR target/71270
25220         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
25221         in big-endian mode when they are not a single duplicated value.
25223 2017-01-20  Richard Biener  <rguenther@suse.de>
25225         * BASE-VER: Bump to 7.0.1.
25227 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
25229         * omp-low.c (omplow_simd_context): New struct.  Use it...
25230         (lower_rec_simd_input_clauses): ...here and...
25231         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
25232         references to idx, lane, max_vf, is_simt.
25234 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
25236         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
25237         mcpu=nps400.
25239 2017-01-20  Martin Jambor  <mjambor@suse.cz>
25241         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
25242         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
25243         gt-hsa-common.h.
25244         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
25245         (GTFILES): Rename hsa.c to hsa-common.c.
25246         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
25247         * hsa-dump.c: Likewise.
25248         * hsa-gen.c: Likewise.
25249         * hsa-regalloc.c: Likewise.
25250         * ipa-hsa.c: Likewise.
25251         * omp-expand.c: Likewise.
25252         * omp-low.c: Likewise.
25253         * toplev.c: Likewise.
25255 2017-01-20  Marek Polacek  <polacek@redhat.com>
25257         PR c/64279
25258         * doc/invoke.texi: Document -Wduplicated-branches.
25259         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
25260         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
25261         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
25262         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
25263         return 0 only when not OEP_LEXICOGRAPHIC.
25264         (fold_build_cleanup_point_expr): Use the expression
25265         location when building CLEANUP_POINT_EXPR.
25266         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
25267         * tree.c (add_expr): Handle error_mark_node.
25269 2017-01-20  Martin Liska  <mliska@suse.cz>
25271         PR lto/69188
25272         * tree-profile.c (init_ic_make_global_vars): Do not call
25273         finalize_decl.
25274         (gimple_init_gcov_profiler): Likewise.
25276 2017-01-20  Martin Liska  <mliska@suse.cz>
25278         PR ipa/71190
25279         * cgraph.h (maybe_create_reference): Remove argument and
25280         update comment.
25281         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
25282         argument.
25283         * ipa-cp.c (create_specialized_node): Likewise.
25284         * symtab.c (symtab_node::maybe_create_reference): Handle
25285         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
25287 2017-01-20  Martin Liska  <mliska@suse.cz>
25289         * read-rtl-function.c (function_reader::create_function): Use
25290         build_decl instread of build_decl_stat.
25292 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
25294         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
25295         * config/i386/avx512dqintrin.h: Ditto.
25296         * config/i386/avx512fintrin.h: Ditto.
25297         * config/i386/i386-builtin-types.def: Add new types.
25298         * config/i386/i386.c: Handle new types.
25299         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
25300         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
25301         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
25302         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
25303         (__builtin_ia32_kshiftridi): New.
25304         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
25306 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
25308         PR target/78875
25309         PR target/79140
25310         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
25311         define to rs6000_init_stack_protect_guard.
25312         (rs6000_init_stack_protect_guard): New function.
25314 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
25315             Yunqiang Su  <yunqiang.su@imgtec.com>
25317         * config.gcc (supported_defaults): Add madd4.
25318         (with_madd4): Add validation.
25319         (all_defaults): Add madd4.
25320         * config/mips/mips.opt (mmadd4): New option.
25321         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
25322         mmadd4.
25323         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
25324         __mips_no_madd4.
25325         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
25326         (ISA_HAS_FUSED_MADD4): Likewise.
25327         * doc/invoke.texi (-mmadd4): Document the new option.
25328         * doc/install.texi (--with-madd4): Document the new option.
25330 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25332         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
25333         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
25334         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
25335         (aarch64_init_pauth_hint_builtins): New.
25336         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
25337         (aarch64_expand_builtin): Expand new builtins.
25339 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25341         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
25342         * combine-stack-adj.c (no_unhandled_cfa): Handle
25343         REG_CFA_TOGGLE_RA_MANGLE.
25344         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
25345         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
25346         info for return address signing.
25347         (aarch64_expand_epilogue): Likewise.
25349 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25351         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
25352         * config/aarch64/aarch64-protos.h
25353         (aarch64_return_address_signing_enabled): New declaration.
25354         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
25355         New function.
25356         (aarch64_expand_prologue): Sign return address before it's pushed onto
25357         stack.
25358         (aarch64_expand_epilogue): Authenticate return address fetched from
25359         stack.
25360         (aarch64_override_options): Sanity check for ILP32 and ISA level.
25361         (aarch64_attributes): New function attributes for "sign-return-address".
25362         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
25363         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
25364         ("*do_return"): Generate combined instructions according to key index.
25365         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
25366         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
25367         iterators.
25368         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
25369         * config/aarch64/aarch64.opt (msign-return-address=): New.
25370         * doc/extend.texi (AArch64 Function Attributes): Documents
25371         "sign-return-address=".
25372         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
25374 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
25376         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
25377         overall option summary.
25379 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25381         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
25382         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
25383         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
25384         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
25386 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
25388         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
25389         -mpower9-minmax by default for -mcpu=power9.
25390         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
25391         128-bit floating point.
25393 2017-01-20  Alan Modra  <amodra@gmail.com>
25395         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
25396         optimizing for size.
25398 2017-01-20  Alan Modra  <amodra@gmail.com>
25400         PR target/79144
25401         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
25402         for strcmp and strncmp from corresponding builtin decl.
25404 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
25406         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
25407         instead of i386/rtems-64.h.
25408         * config/i386/rtems-64.h: Remove.
25410 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
25412         PR target/78478
25413         Revert:
25414         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
25416         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
25418 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
25420         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
25421         Change int to HOST_WIDE_INT.
25422         * config/aarch64/aarch64-protos.h
25423         (aarch64_simd_gen_const_vector_dup): Likewise.
25424         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
25426 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
25428         * langhooks-def.h (lhd_type_for_size): New decl.
25429         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
25430         * langhooks.c (lhd_type_for_size): New function, taken from
25431         lto_type_for_size.
25433 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
25435         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
25436         define_bypass for CR latency.
25437         (power9-cracked-alu): Update bypass latency and remove power9-branch.
25438         (power9-alu2): Add define_bypass for CR latency.
25439         (power9-cmp): New.
25440         (power9-mul): Update insn latency.
25441         (power9-mul-compare): Update insn latency, bypass latency and remove
25442         power9-branch.
25444 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25446         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
25447         Delete.
25448         * config/aarch64/aarch64.md
25449         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
25450         aarch64_nopcrelative_literal_loads.
25451         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
25453 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
25455         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
25456         TARGET_LOONGSON_3A.
25457         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
25459 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
25461         PR target/78176
25462         * config.gcc (supported_defaults): Add lxc1-sxc1.
25463         (with_lxc1_sxc1): Add validation.
25464         (all_defaults): Add lxc1-sxc1.
25465         * config/mips/mips.opt (mlxc1-sxc1): New option.
25466         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
25467         mlxc1-sxc1.
25468         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
25469         __mips_no_lxc1_sxc1.
25470         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
25471         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
25472         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
25474 2017-01-19  Richard Biener  <rguenther@suse.de>
25476         PR tree-optimization/72488
25477         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
25478         sure to restore SSA info.
25479         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
25481 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
25483         PR rtl-optimization/79121
25484         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
25485         of the inner type when shifting an extended value.
25487 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
25489         PR lto/78407
25490         * symtab.c (symtab_node::equal_address_to): Fix comparing of
25491         interposable aliases.
25493 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
25495         PR target/78516
25496         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
25497         Use the evmergelohi instruction.
25498         (mov_si<mode>_e500_subreg4_2_le): Likewise.
25499         (mov_sitf_e500_subreg8_2_be): Likewise.
25500         (mov_sitf_e500_subreg12_2_le): Likewise.
25501         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
25502         (mov_si<mode>_e500_subreg4_2_be): Likewise.
25503         (mov_sitf_e500_subreg8_2_le): Likewise.
25504         (mov_sitf_e500_subreg12_2_be): Likewise.
25506 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25508         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
25509         attribute from vecsimple to vecperm.
25510         (altivec_vbpermq2): Likewise.
25512 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25514         PR target/79040
25515         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
25517 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
25518         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
25519         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
25520         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
25521         case where N arg is SIZE_MAX.
25522         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
25523         (cmpstrsi): Add pattern.
25525 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
25527         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
25528         __builtin_vec_revb builtins.
25529         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
25530         built-in functions to support generation of the ISA 3.0 XXBR<x>
25531         vector byte reverse instructions.
25532         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
25533         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
25534         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
25535         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
25536         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
25537         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
25538         (P9V_BUILTIN_VEC_REVB): Likewise.
25539         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
25540         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
25541         (p9_xxbrq_v16qi): Likewise.
25542         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
25543         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
25544         (p9_xxbrh_v8hi): Likewise.
25545         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
25546         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
25547         vec_revb built-in functions.
25549 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
25551         PR rtl-optimization/78952
25552         * config/i386/i386.md (any_extract): New code iterator.
25553         (*insvqi_2): Use any_extract for source operand.
25554         (*insvqi_3): Use any_shiftrt for source operand.
25556 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
25558         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
25559         New function.
25560         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
25562 2017-01-18  Matthias Klose  <doko@ubuntu.com>
25564         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
25566 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25568         * config/rs6000/altivec.h (vec_bperm): Change #define.
25569         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
25570         (altivec_vbpermq2): New define_insn.
25571         (altivec_vbpermd): Likewise.
25572         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
25573         function interface.
25574         (VBPERMD): Likewise.
25575         (VBPERM): New polymorphic function interface.
25576         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
25577         Add entries for P9V_BUILTIN_VEC_VBPERM.
25578         * doc/extend.texi: Add interfaces for vec_bperm.
25580 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25582         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
25583         first letter of error messages.
25584         (s390_resolve_overloaded_builtin): Likewise.
25585         * config/s390/s390.c (s390_expand_builtin): Likewise.
25586         (s390_invalid_arg_for_unprototyped_fn): Likewise.
25587         (s390_valid_target_attribute_inner_p): Likewise.
25588         * config/s390/s390.md ("tabort"): Likewise.
25590 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
25592         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
25593         (ISA_AVOID_DIV_HILO): New macro.
25594         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
25595         (ISA_HAS_DDIV): Likewise.
25597 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25599         * doc/invoke.texi (fabi-version): Correct number of occurrences.
25601 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25603         * doc/invoke.texi (fabi-version): Spelling fix.
25605 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25607         PR c++/70182
25608         * doc/invoke.texi (fabi-version): Mention mangling fix for
25609         operator names.
25611 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25613         PR c++/77489
25614         * doc/invoke.texi (fabi-version): Document discriminator mangling.
25616 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
25618         PR target/78875
25619         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
25620         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
25621         the new options.
25622         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
25623         flexible settings.
25624         (stack_protect_test): Ditto.
25625         * config/rs6000/rs6000.opt (mstack-protector-guard=,
25626         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
25627         options.
25628         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
25629         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
25630         -mstack-protector-guard-offset=.
25631         (RS/6000 and PowerPC Options): Ditto.
25633 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
25635         * config/i386/i386.h (MASK_CLASS_P): New define.
25636         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
25637         there are no registers from different register sets also when
25638         mask registers are used.  Update function comment.
25639         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
25640         to (*k/*r) and (*k/*km) alternatives.
25642 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
25644         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
25645         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
25646         (EH_RETURN_HANDLER_RTX): New define.
25647         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
25648         Force frame pointer in EH return functions.
25649         (aarch64_expand_epilogue): Add barrier for eh_return.
25650         (aarch64_final_eh_return_addr): Remove.
25651         (aarch64_eh_return_handler_rtx): New function.
25652         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
25653         Remove.
25654         (aarch64_eh_return_handler_rtx): New prototype.
25656 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25658         * config/rs6000/altivec.h (vec_rlmi): New #define.
25659         (vec_vrlnm): Likewise.
25660         (vec_rlnm): Likewise.
25661         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
25662         (UNSPEC_VRLNM): Likewise.
25663         (VIlong): New mode iterator.
25664         (altivec_vrl<VI_char>mi): New define_insn.
25665         (altivec_vrl<VI_char>nm): Likewise.
25666         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
25667         function entry.
25668         (VRLDNM): Likewise.
25669         (RLNM): New polymorphic function entry.
25670         (VRLWMI): New monomorphic function entry.
25671         (VRLDMI): Likewise.
25672         (RLMI): New polymorphic function entry.
25673         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
25674         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
25675         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
25676         vec_vrlnm.
25678 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25680         PR debug/78839
25681         * dwarf2out.c (field_byte_offset): Restore the
25682         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
25683         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
25684         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
25685         of build2 + fold.
25687 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
25689         PR ada/67205
25690         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
25692 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25694         PR debug/71669
25695         * dwarf2out.c (add_data_member_location_attribute): For constant
25696         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
25697         instead of DW_AT_data_member_location, DW_AT_bit_offset and
25698         DW_AT_byte_size attributes.
25700 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
25702         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
25703         after forcing to constant memory when the code model is medium.
25705 2017-01-17  Julia Koval  <julia.koval@intel.com>
25707         PR target/76731
25708         * config/i386/avx512fintrin.h
25709         (_mm512_i32gather_ps): Change __addr type to void const*.
25710         (_mm512_mask_i32gather_ps): Ditto.
25711         (_mm512_i32gather_pd): Ditto.
25712         (_mm512_mask_i32gather_pd): Ditto.
25713         (_mm512_i64gather_ps): Ditto.
25714         (_mm512_mask_i64gather_ps): Ditto.
25715         (_mm512_i64gather_pd): Ditto.
25716         (_mm512_mask_i64gather_pd): Ditto.
25717         (_mm512_i32gather_epi32): Ditto.
25718         (_mm512_mask_i32gather_epi32): Ditto.
25719         (_mm512_i32gather_epi64): Ditto.
25720         (_mm512_mask_i32gather_epi64): Ditto.
25721         (_mm512_i64gather_epi32): Ditto.
25722         (_mm512_mask_i64gather_epi32): Ditto.
25723         (_mm512_i64gather_epi64): Ditto.
25724         (_mm512_mask_i64gather_epi64): Ditto.
25725         (_mm512_i32scatter_ps): Change __addr type to void*.
25726         (_mm512_mask_i32scatter_ps): Ditto.
25727         (_mm512_i32scatter_pd): Ditto.
25728         (_mm512_mask_i32scatter_pd): Ditto.
25729         (_mm512_i64scatter_ps): Ditto.
25730         (_mm512_mask_i64scatter_ps): Ditto.
25731         (_mm512_i64scatter_pd): Ditto.
25732         (_mm512_mask_i64scatter_pd): Ditto.
25733         (_mm512_i32scatter_epi32): Ditto.
25734         (_mm512_mask_i32scatter_epi32): Ditto.
25735         (_mm512_i32scatter_epi64): Ditto.
25736         (_mm512_mask_i32scatter_epi64): Ditto.
25737         (_mm512_i64scatter_epi32): Ditto.
25738         (_mm512_mask_i64scatter_epi32): Ditto.
25739         (_mm512_i64scatter_epi64): Ditto.
25740         (_mm512_mask_i64scatter_epi64): Ditto.
25741         * config/i386/avx512pfintrin.h
25742         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
25743         (_mm512_mask_prefetch_i32gather_ps): Ditto.
25744         (_mm512_mask_prefetch_i64gather_pd): Ditto.
25745         (_mm512_mask_prefetch_i64gather_ps): Ditto.
25746         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
25747         (_mm512_prefetch_i32scatter_ps): Ditto.
25748         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
25749         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
25750         (_mm512_prefetch_i64scatter_pd): Ditto.
25751         (_mm512_prefetch_i64scatter_ps): Ditto.
25752         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
25753         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
25754         * config/i386/avx512vlintrin.h
25755         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
25756         (_mm_mmask_i32gather_ps): Ditto.
25757         (_mm256_mmask_i32gather_pd): Ditto.
25758         (_mm_mmask_i32gather_pd): Ditto.
25759         (_mm256_mmask_i64gather_ps): Ditto.
25760         (_mm_mmask_i64gather_ps): Ditto.
25761         (_mm256_mmask_i64gather_pd): Ditto.
25762         (_mm_mmask_i64gather_pd): Ditto.
25763         (_mm256_mmask_i32gather_epi32): Ditto.
25764         (_mm_mmask_i32gather_epi32): Ditto.
25765         (_mm256_mmask_i32gather_epi64): Ditto.
25766         (_mm_mmask_i32gather_epi64): Ditto.
25767         (_mm256_mmask_i64gather_epi32): Ditto.
25768         (_mm_mmask_i64gather_epi32): Ditto.
25769         (_mm256_mmask_i64gather_epi64): Ditto.
25770         (_mm_mmask_i64gather_epi64): Ditto.
25771         (_mm256_i32scatter_ps): Change __addr type to void*.
25772         (_mm256_mask_i32scatter_ps): Ditto.
25773         (_mm_i32scatter_ps): Ditto.
25774         (_mm_mask_i32scatter_ps): Ditto.
25775         (_mm256_i32scatter_pd): Ditto.
25776         (_mm256_mask_i32scatter_pd): Ditto.
25777         (_mm_i32scatter_pd): Ditto.
25778         (_mm_mask_i32scatter_pd): Ditto.
25779         (_mm256_i64scatter_ps): Ditto.
25780         (_mm256_mask_i64scatter_ps): Ditto.
25781         (_mm_i64scatter_ps): Ditto.
25782         (_mm_mask_i64scatter_ps): Ditto.
25783         (_mm256_i64scatter_pd): Ditto.
25784         (_mm256_mask_i64scatter_pd): Ditto.
25785         (_mm_i64scatter_pd): Ditto.
25786         (_mm_mask_i64scatter_pd): Ditto.
25787         (_mm256_i32scatter_epi32): Ditto.
25788         (_mm256_mask_i32scatter_epi32): Ditto.
25789         (_mm_i32scatter_epi32): Ditto.
25790         (_mm_mask_i32scatter_epi32): Ditto.
25791         (_mm256_i32scatter_epi64): Ditto.
25792         (_mm256_mask_i32scatter_epi64): Ditto.
25793         (_mm_i32scatter_epi64): Ditto.
25794         (_mm_mask_i32scatter_epi64): Ditto.
25795         (_mm256_i64scatter_epi32): Ditto.
25796         (_mm256_mask_i64scatter_epi32): Ditto.
25797         (_mm_i64scatter_epi32): Ditto.
25798         (_mm_mask_i64scatter_epi32): Ditto.
25799         (_mm256_i64scatter_epi64): Ditto.
25800         (_mm256_mask_i64scatter_epi64): Ditto.
25801         (_mm_i64scatter_epi64): Ditto.
25802         (_mm_mask_i64scatter_epi64): Ditto.
25803         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
25804         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
25805         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
25806         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
25807         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
25808         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
25809         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
25810         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
25811         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
25812         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
25813         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
25814         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
25815         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
25816         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
25817         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
25818         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
25819         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
25820         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
25821         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
25822         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
25823         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
25824         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
25825         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
25826         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
25827         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
25828         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
25829         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
25830         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
25831         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
25832         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
25833         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
25834         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
25835         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
25836         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
25837         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
25838         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
25839         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
25840         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
25841         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
25842         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
25843         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
25844         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
25845         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
25846         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
25847         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
25848         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
25849         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
25850         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
25851         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
25852         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
25853         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
25854         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
25855         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
25856         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
25857         definitions accordingly.
25859 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
25860             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
25862         PR target/79079
25863         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
25864         gen_lowpart.
25866 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
25868         PR target/79058
25869         * ira-conflicts.c (ira_build_conflicts): Update total conflict
25870         hard regs for inner regno.
25872 2017-01-17  Martin Liska  <mliska@suse.cz>
25874         PR ipa/71207
25875         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
25876         assumption and add comment.
25878 2017-01-17  Nathan Sidwell  <nathan@acm.org>
25880         * ipa-visibility.c (localize_node): New function, broken out of ...
25881         (function_and_variable_visibility): ... here. Call it.
25883 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
25885         PR middle-end/77445
25886         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
25887         correctly set frequency of oudgoing edge.
25888         (duplicate_thread_path): Fix profile updating.
25890 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25892         PR other/79046
25893         * configure.ac: Add GCC_BASE_VER.
25894         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
25895         version from BASE-VER file.
25896         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
25897         (gcc.o): Depend on $(BASEVER).
25898         * common.opt (dumpfullversion): New option.
25899         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
25900         * doc/invoke.texi: Document -dumpfullversion.
25901         * doc/install.texi: Document --with-gcc-major-version-only.
25902         * configure: Regenerated.
25904 2017-01-17  Richard Biener  <rguenther@suse.de>
25906         PR tree-optimization/71433
25907         * tree-vrp.c (register_new_assert_for): Merge same asserts
25908         on all incoming edges.
25909         (process_assert_insertions_for): Handle insertions at the
25910         beginning of BBs.
25912 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
25914         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
25915         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
25917 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
25919         PR target/78633
25920         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
25921         RTL sharing.
25923 2017-01-17  Alan Modra  <amodra@gmail.com>
25925         PR target/79066
25926         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
25927         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
25928         symbolic stack limit when pic.
25930 2017-01-16  Martin Sebor  <msebor@redhat.com>
25932         PR tree-optimization/78608
25933         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
25935 2017-01-16  Jeff Law  <law@redhat.com>
25937         Revert:
25938         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
25939         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
25940         for several include directories that may be relative to sysroot.
25941         * config/i386/x-mingw32 (gplus_includedir): Define.
25942         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
25943         (native_system_includedir): Likewise.
25944         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
25945         override if TARGET_SYSTEM_ROOT is defined.
25946         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
25948         PR tree-optimization/79090
25949         PR tree-optimization/33562
25950         PR tree-optimization/61912
25951         PR tree-optimization/77485
25952         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
25953         and computed trims into the dump file.
25955 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
25957         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
25959 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
25961         PR c/79089
25962         * gimplify.c (gimplify_init_constructor): If want_value and
25963         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
25964         fix.
25966         PR target/79080
25967         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
25968         sequence.  Formatting fixes.
25969         (doloop_optimize): Formatting fixes.
25971         PR driver/49726
25972         * gcc.c (debug_level_greater_than_spec_func): New function.
25973         (static_spec_functions): Add debug-level-gt spec function.
25974         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
25975         !g0.
25976         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25977         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25978         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
25979         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
25980         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
25981         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
25983 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
25985         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
25986         QImode fixups to general and mask registers only.
25988 2017-01-16  Carl Love  <cel@us.ibm.com>
25990         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
25991         for built-in functions
25992         vector signed char vec_nabs (vector signed char)
25993         vector signed short vec_nabs (vector signed short)
25994         vector signed int vec_nabs (vector signed int)
25995         vector signed long long vec_nabs (vector signed long long)
25996         vector float vec_nabs (vector float)
25997         vector double vec_nabs (vector double)
25998         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
25999         and NABS overload.
26000         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
26001         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
26002         * doc/extend.texi: Update the documentation file for the new built-in
26003         functions.
26005 2017-01-16  Martin Sebor  <msebor@redhat.com>
26007         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
26008         message.
26010 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
26012         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
26013         UNSPEC_VSX__XXSPLTD to require special splat handling.
26015 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
26017         PR bootstrap/78616
26018         * system.h: Poison strndup.
26020 2017-01-16  Alan Modra  <amodra@gmail.com>
26022         PR target/79098
26023         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
26024         use a switch.
26026 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
26028         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
26030 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
26032         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
26033         call recog here.  Assert that INSN_CODE (insn) is non-negative.
26035 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
26037         PR target/72749
26038         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
26039         fallthrough.
26040         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
26041         in the currently scheduled RTL fragment.
26043 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
26045         PR rtl-optimization/78751
26046         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
26047         give up.
26049 2017-01-14  Jeff Law  <law@redhat.com>
26051         PR tree-optimization/79090
26052         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
26053         variable length stores.
26054         (compute_trims): Delete dead assignment to *trim_tail.
26055         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
26056         zero length.
26058 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
26060         PR rtl-optimization/78626
26061         PR rtl-optimization/78727
26062         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
26063         of a block, and split such blocks after everything else is finished.
26065 2017-01-14  Alan Modra  <amodra@gmail.com>
26067         PR target/72749
26068         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
26069         target legitimate_combined_insn.
26070         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
26071         (rs6000_legitimate_combined_insn): New function.
26072         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
26073         all uses.
26074         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
26075         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
26076         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
26078 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
26080         * doc/frontends.texi (G++ and GCC): Remove references to Java.
26082 2017-01-13  Jeff Law  <law@redhat.com>
26084         PR tree-optimization/33562
26085         PR tree-optimization/61912
26086         PR tree-optimization/77485
26087         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
26088         a statement.
26089         (delete_dead_assignment): Likewise.
26090         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
26091         statement to delete_dead_call and delete_dead_assignment.
26093 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
26095         PR c/78304
26096         * substring-locations.c (format_warning_va): Strengthen case 1 so
26097         that both endpoints of the substring must be within the format
26098         range for just the substring to be printed.
26100 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
26102         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
26103         * config/i386/i386.c (ix86_target_string): Add missing options
26104         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
26105         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
26106         flags_other and ix86_target_other to flags2_other.  Display unknown
26107         isa2 options.
26108         (ix86_valid_target_attribute_inner_p): Add missing options and
26109         reorder options by implied ISAs, as in ix86_target_string.
26111 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
26113         * hash-table.h (hash_table::too_empty_p): New function.
26114         (hash_table::expand): Use it.
26115         (hash_table::traverse): Likewise.
26116         (hash_table::empty_slot): Use sizeof (value_type) instead of
26117         sizeof (PTR) to convert bytes to elements.  Shrink the table
26118         if the current size is excessive for the current number of
26119         elements.
26121 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
26123         * ira-costs.c (record_reg_classes): Break from the inner loop
26124         early once alt_fail is known to be true.  Update outer loop
26125         handling accordingly.
26127 2017-01-13  Jeff Law  <law@redhat.com>
26129         * tree-ssa-dse.c (decrement_count): New function.
26130         (increment_start_addr, maybe_trim_memstar_call): Likewise.
26131         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
26132         when we know the partially dead statement is a mem* function.
26134         PR tree-optimization/61912
26135         PR tree-optimization/77485
26136         * tree-ssa-dse.c: Include expr.h.
26137         (maybe_trim_constructor_store): New function.
26138         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
26140         PR tree-optimization/33562
26141         PR tree-optimization/61912
26142         PR tree-optimization/77485
26143         * doc/invoke.texi: Document new dse-max-object-size param.
26144         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
26145         * tree-ssa-dse.c: Include params.h.
26146         (dse_store_status): New enum.
26147         (initialize_ao_ref_for_dse): New, partially extracted from
26148         dse_optimize_stmt.
26149         (valid_ao_ref_for_dse, normalize_ref): New.
26150         (setup_live_bytes_from_ref, compute_trims): Likewise.
26151         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
26152         (maybe_trim_partially_dead_store): Likewise.
26153         (maybe_trim_complex_store): Likewise.
26154         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
26155         Track what bytes live from the original store.  Return tri-state
26156         for dead, partially dead or live.
26157         (dse_dom_walker): Add constructor, destructor and new private members.
26158         (delete_dead_call, delete_dead_assignment): New extracted from
26159         dse_optimize_stmt.
26160         (dse_optimize_stmt): Make a member of dse_dom_walker.
26161         Use initialize_ao_ref_for_dse.
26163         PR tree-optimization/33562
26164         PR tree-optimization/61912
26165         PR tree-optimization/77485
26166         * sbitmap.h (bitmap_count_bits): Prototype.
26167         (bitmap_clear_range, bitmap_set_range): Likewise.
26168         * sbitmap.c (bitmap_clear_range): New function.
26169         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
26171 2017-01-13  Martin Liska  <mliska@suse.cz>
26173         PR ipa/79043
26174         * function.c (set_cfun): Add new argument force.
26175         * function.h (set_cfun): Likewise.
26176         * ipa-inline-transform.c (inline_call): Use the function when
26177         strict alising from is dropped for function we inline to.
26179 2017-01-13  Richard Biener  <rguenther@suse.de>
26181         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
26182         for dumping GIMPLE INTEGER_CSTs.
26184 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26186         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
26187         to 201112L since C++17.
26189 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
26191         PR sanitizer/78887
26192         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
26193         if -fsanitize=kernel-address is present.
26195 2017-01-13  Richard Biener  <rguenther@suse.de>
26197         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
26198         as _Literal ( type ) number in case usual suffixes do not
26199         preserve all information.
26201 2017-01-13  Richard Biener  <rguenther@suse.de>
26203         PR tree-optimization/77283
26204         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
26205         and ssa-iterators.h.
26206         (is_feasible_trace): Implement a cost model based on joiner
26207         PHI node uses.
26209 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
26211         PR target/79004
26212         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
26213         char or short to __float128/_Float128 directly.
26215 2017-01-12  Martin Sebor  <msebor@redhat.com>
26217         to -Wformat-overflow.
26218         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
26219         (min_bytes_remaining): Same.
26220         (get_string_length): Same.
26221         (format_string): Same.
26222         (format_directive): Same.
26223         (add_bytes): Same.
26224         (pass_sprintf_length::handle_gimple_call): Same.
26226 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
26228         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
26229         info.nowrite calls with no lhs that can't throw.  Return bool
26230         whether gsi_remove has been called or not.
26231         (pass_sprintf_length::handle_gimple_call): Return bool whether
26232         try_substitute_return_value called gsi_remove.  Formatting fix.
26233         (pass_sprintf_length::execute): Don't use gsi_remove if
26234         handle_gimple_call returned true.
26236         PR bootstrap/79069
26237         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
26238         be removed due to side-effects, don't remove following barrier nor
26239         turn the successor edge into fallthru edge.
26241 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
26243         PR target/79044
26244         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
26245         element-reversing loads and stores as not swappable.
26247 2017-01-12  Nathan Sidwell  <nathan@acm.org>
26248             Nicolai Stange  <nicstange@gmail.com>
26250         * combine.c (try_combine): Don't ignore result of overlap checking
26251         loop.  Combine overlap & asm check into single loop.
26253 2017-01-12  Richard Biener  <rguenther@suse.de>
26255         * tree-pretty-print.c (dump_generic_node): Provide -gimple
26256         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
26258 2017-01-12  Richard Biener  <rguenther@suse.de>
26260         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
26261         and TS_TARGET_OPTION directly derive from TS_BASE.
26262         * tree-core.h (tree_optimization_option): Derive from tree_base.
26263         (tree_target_option): Likewise.
26265 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
26267         * config/i386/i386.c (memory_address_length): Increase len
26268         only when rip_relative_addr_p returns false.
26270 2017-01-11  Julia Koval  <julia.koval@intel.com>
26272         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
26273         (OPTION_MASK_ISA_SGX_SET): New.
26274         (ix86_handle_option): Handle OPT_msgx.
26275         * config.gcc: Added sgxintrin.h.
26276         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
26277         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
26278         * config/i386/i386.c (ix86_target_string): Add -msgx.
26279         (PTA_SGX): New.
26280         (ix86_option_override_internal): Handle new options.
26281         (ix86_valid_target_attribute_inner_p): Add sgx.
26282         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
26283         * config/i386/i386.opt: Add msgx.
26284         * config/i386/sgxintrin.h: New file.
26285         * config/i386/x86intrin.h: Add sgxintrin.h.
26287 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
26289         PR c++/71537
26290         * fold-const.c (maybe_nonzero_address): Return 1 for function
26291         local objects.
26292         (tree_single_nonzero_warnv_p): Don't handle function local objects
26293         here.
26295         PR c++/72813
26296         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
26297         of c-header.
26299 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
26301         PR driver/78877
26302         * opts.c: Include "spellcheck.h"
26303         (struct string_fragment): New struct.
26304         (struct edit_distance_traits<const string_fragment &>): New
26305         struct.
26306         (get_closest_sanitizer_option): New function.
26307         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
26309 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
26311         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
26312         by 12.
26313         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
26314         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
26315         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
26316         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
26317         for initial die_offset if dwarf_split_debug_info.
26318         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
26319         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
26320         fields.
26321         (output_skeleton_debug_sections): Formatting fix.  Use
26322         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
26323         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
26325 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
26327         * config/arm/cortex-a53.md: Add bypasses for
26328         cortex_a53_r2f_cvt.
26329         (cortex_a53_r2f): Only use for transfers.
26330         (cortex_a53_f2r): Likewise.
26331         (cortex_a53_r2f_cvt): Add reservation for conversions.
26332         (cortex_a53_f2r_cvt): Likewise.
26334 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
26336         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
26337         to all inlined functions, change static to extern.
26339 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
26341         PR target/78253
26342         * config/arm/arm.c (legitimize_pic_address): Handle reference to
26343         weak symbol.
26344         (arm_assemble_integer): Likewise.
26346 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
26348         * config.gcc: Use new awk script to check CPU, FPU and architecture
26349         parameters for --with-... options.
26350         * config/arm/parsecpu.awk: New file
26351         * config/arm/arm-cpus.in: New file.
26352         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
26353         files.
26354         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
26355         files.
26356         * config/arm/t-arm: Update dependency rules.
26357         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
26358         of processing .def files.
26359         * config/arm/genopt.sh: Deleted.
26360         * config/arm/gentune.sh: Deleted.
26361         * config/arm/arm-cores.def: Deleted.
26362         * config/arm/arm-arches.def: Deleted.
26363         * config/arm/arm-fpus.def: Deleted.
26364         * config/arm/arm-tune.md: Regenerated.
26365         * config/arm/arm-tables.opt: Regenerated.
26366         * config/arm/arm-cpu.h: New generated file.
26367         * config/arm/arm-cpu-data.h: New generated file.
26368         * config/arm/arm-cpu-cdata.h: New generated file.
26370 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
26372         PR lto/79042
26373         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
26374         bit.
26375         (input_varpool_node): Unpack dynamically_initialized bit.
26377 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
26379         PR rtl-optimization/79032
26380         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
26381         the alignment of the adjusted memory reference against that of MODE,
26382         instead of the alignment of the original memory reference.
26384 2017-01-11  Martin Jambor  <mjambor@suse.cz>
26386         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
26387         test.
26388         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
26389         decorated functions.
26391 2017-01-11  Richard Biener  <rguenther@suse.de>
26393         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
26394         set range/nonnull info for PHI results.  Do not set it on
26395         stmts marked for removal.
26397 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
26399         * expr.c (store_field): In the bitfield case, fetch the return value
26400         from the registers before applying a single big-endian adjustment.
26401         Always do a final load for a BLKmode value not larger than a word.
26403 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
26405         PR c++/77949
26406         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
26407         that we correctly handle column numbers greater than
26408         LINE_MAP_MAX_COLUMN_NUMBER.
26410 2017-01-10  Martin Sebor  <msebor@redhat.com>
26412         PR middle-end/78245
26413         * gimple-ssa-sprintf.c (get_destination_size): Call
26414         {init,fini}object_sizes.
26415         * tree-object-size.c (addr_object_size): Adjust.
26416         (pass_through_call): Adjust.
26417         (pass_object_sizes::execute): Adjust.
26418         * tree-object-size.h (fini_object_sizes): Declare.
26420 2017-01-10  Martin Sebor  <msebor@redhat.com>
26422         PR tree-optimization/78775
26423         * builtins.c (get_size_range): Move...
26424         * calls.c: ...to here.
26425         (alloc_max_size): Accept zero argument.
26426         (operand_signed_p): Remove.
26427         (maybe_warn_alloc_args_overflow): Call get_size_range.
26428         * calls.h (get_size_range): Declare.
26430 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
26432         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
26433         from TI's devices.csv file as of September 2016.
26434         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
26436 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
26438         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
26439         * doc/invoke.texi: Likewise.
26440         * doc/md.texi: Likewise.
26441         * doc/objc.texi: Likewise.
26443 2017-01-10  Joshua Conner  <joshconner@google.com>
26445         * config/arm/fuchsia-elf.h: New file.
26446         * config/fuchsia.h: New file.
26447         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
26448         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
26449         targets.
26450         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
26452 2016-01-10  Richard Biener  <rguenther@suse.de>
26454         PR tree-optimization/79034
26455         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
26456         Propagate out degenerate PHIs in the joiner.
26458 2017-01-10  Martin Liska  <mliska@suse.cz>
26460         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
26461         (sort_congruence_classes_by_decl_uid): Likewise.
26462         (sort_congruence_class_groups_by_decl_uid): Likewise.
26463         (sem_item_optimizer::merge_classes): Sort class, groups in these
26464         classes and members in the groups by DECL_UID of declarations.
26465         This would make merge operations stable.
26467 2017-01-10  Martin Liska  <mliska@suse.cz>
26469         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
26470         usage of m_classes_vec.
26471         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
26472         (sem_item_optimizer::get_group_by_hash): Likewise.
26473         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
26474         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
26475         (sem_item_optimizer::verify_classes): Likewise.
26476         (sem_item_optimizer::process_cong_reduction): Likewise.
26477         (sem_item_optimizer::dump_cong_classes): Likewise.
26478         (sem_item_optimizer::merge_classes): Likewise.
26479         * ipa-icf.h (congruence_class_hash): Rename from
26480         congruence_class_group_hash.  Remove declaration of m_classes_vec.
26482 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
26484         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
26485         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
26486         * config.gcc: Add avx512vpopcntdqintrin.h.
26487         * config/i386/avx512vpopcntdqintrin.h: New.
26488         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
26489         * config/i386/i386-builtin-types.def: Add new types.
26490         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
26491         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
26492         __builtin_ia32_vpopcountq_v8di_mask): New.
26493         * config/i386/i386-c.c (ix86_target_macros_internal): Define
26494         __AVX512VPOPCNTDQ__.
26495         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
26496         (PTA_AVX512VPOPCNTDQ): Define.
26497         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
26498         TARGET_AVX512VPOPCNTDQ_P): Define.
26499         * config/i386/i386.opt: Add mavx512vpopcntdq.
26500         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
26501         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
26503 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26505         PR middle-end/77484
26506         * predict.def (PRED_CALL): Set to 67.
26508 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
26510         * expr.c (store_field): In the bitfield case, if the value comes from
26511         a function call and is of an aggregate type returned in registers, do
26512         not modify the field mode; extract the value in all cases if the mode
26513         is BLKmode and the size is not larger than a word.
26515 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
26517         PR target/71017
26518         * config/i386/cpuid.h: Fix undefined behavior.
26520 2017-01-04  Jeff Law  <law@redhat.com>
26522         PR tree-optimization/79007
26523         PR tree-optimization/67955
26524         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
26525         conservative for pt.null when flag_non_call_exceptions is on.
26527 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
26529         PR translation/79019
26530         PR translation/79020
26531         * params.def (PARAM_INLINE_MIN_SPEEDUP,
26532         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
26533         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
26534         in descriptions.
26535         * config/avr/avr.opt (maccumulate-args): Likewise.
26536         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
26537         * common.opt (freport-bug): Likewise.
26538         * cif-code.def (CIF_FINAL_ERROR): Likewise.
26539         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
26540         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
26541         translatable string.
26542         * config/i386/i386.c (function_value_32): Likewise.
26543         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
26544         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
26545         Likewise.
26546         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
26547         * common/config/msp430/msp430-common.c (msp430_handle_option):
26548         Likewise.
26549         * symtab.c (symtab_node::verify_base): Likewise.
26550         * opts.c (set_debug_level): Likewise.
26551         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
26552         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
26553         missing whitespace to translatable strings.
26554         * config/avr/avr.md (bswapsi2): Fix typo in comment.
26555         * config/sh/superh.h: Likewise.
26556         * config/i386/xopintrin.h: Likewise.
26557         * config/i386/znver1.md: Likewise.
26558         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
26559         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
26560         * double-int.h (struct double_int): Likewise.
26561         * double-int.c (div_and_round_double): Likewise.
26562         * wide-int.cc: Likewise.
26563         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
26564         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
26565         * cfgcleanup.c (crossjumps_occured): Renamed to ...
26566         (crossjumps_occurred): ... this.
26567         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
26568         Adjust all uses.
26570         PR tree-optimization/78899
26571         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
26572         returning bool return struct loop *, NULL for failure and the new
26573         loop on success.
26574         (versionable_outer_loop_p): Don't version outer loop if it has
26575         dont_vectorized bit set.
26576         (tree_if_conversion): When versioning outer loop, ensure
26577         tree_if_conversion is performed also on the inner loop of the
26578         non-vectorizable outer loop copy.
26579         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
26580         LOOP_VECTORIZED in inner loop of the scalar outer loop and
26581         prevent vectorization of it.
26582         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
26583         the outer loop vectorization of the non-scalar version is attempted
26584         before vectorization of the inner loop in scalar version.  If
26585         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
26586         vectorization of its inner loop.
26587         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
26588         has 2 inner loops, rename also on edges from bb whose single pred
26589         is outer_loop->header.  Fix typo in function comment.
26591 2017-01-09  Martin Sebor  <msebor@redhat.com>
26593         PR bootstrap/79033
26594         * asan.c (asan_emit_stack_protection): Increase local buffer size
26595         to avoid snprintf truncation warning.
26597 2017-01-09  Andrew Pinski  <apinski@cavium.com>
26599         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
26600         to reference thunderx2t99 for the tuning structure
26601         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
26602         Rename to ...
26603         (thunderx2t99_extra_costs): This.
26604         * config/aarch64/aarch64-tune.md: Regenerate.
26605         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
26606         (vulcan_addrcost_table): This.
26607         (vulcan_regmove_cost): Rename to ...
26608         (thunderx2t99_regmove_cost): This.
26609         (vulcan_vector_cost): Rename to ...
26610         (thunderx2t99_vector_cost): this.
26611         (vulcan_branch_cost): Rename to ...
26612         (thunderx2t99_branch_cost): This.
26613         (vulcan_tunings): Rename to ...
26614         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
26615         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
26617 2017-01-09  Martin Jambor  <mjambor@suse.cz>
26619         PR ipa/78365
26620         PR ipa/78599
26621         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
26622         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
26623         (propagate_vr_accross_jump_function): Use the above function for all
26624         value range computations for pass-through jump functions and type
26625         converasion from explicit value range values.
26626         (ipcp_propagate_stage): Do not attempt to deduce types of formal
26627         parameters from TYPE_ARG_TYPES.
26628         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
26629         (ipa_write_node_info): Stream type of the actual argument.
26630         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
26632 2017-01-09  Martin Liska  <mliska@suse.cz>
26634         PR pch/78970
26635         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
26636         (lookup_compiler): Do not show error message with have_E.
26638 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
26640         PR tree-optimization/78938
26641         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
26642         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
26643         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
26644         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
26645         fixes.
26647 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
26649         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
26650         is const0_rtx.
26652 2017-01-09  Richard Biener  <rguenther@suse.de>
26654         PR tree-optimization/78997
26655         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
26656         name condition properly.
26658 2017-01-09  Richard Biener  <rguenther@suse.de>
26660         PR debug/79000
26661         * dwarf2out.c (is_cxx): New overload with context.
26662         (is_naming_typedef_decl): Use it.
26664 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26666         * invoke.texi (Option Summary): Correct spacing in option lists
26667         and add line breaks to fix over-long lines.
26669 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26671         PR middle-end/17660
26673         * extend.texi (Common Variable Attributes): Add xref to GCC
26674         Internals manual to explain mode attribute keywords.
26676 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26678         PR other/16519
26679         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
26680         and Preprocessor Options.
26681         (Options for Linking): Document -pthread here....
26682         (RS/6000 and PowerPC Options): ...not here.
26683         (Solaris 2 Options): ...or here.
26684         * doc/cppopts.texi: Document -pthread.
26686 2017-01-08  Martin Sebor  <msebor@redhat.com>
26688         PR middle-end/77708
26689         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
26690         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
26691         New member functions.
26692         (format_directive): Used them.
26693         (add_bytes): Same.
26694         (pass_sprintf_length::handle_gimple_call): Same.
26695         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
26696         to avoid truncation for any argument.
26697         (extract_affine_mul): Same.
26698         * tree.c (get_file_function_name): Same.
26700 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26702         PR middle-end/77484
26703         * predict.def (PRED_INDIR_CALL): Set to 86.
26705 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26707         PR preprocessor/54124
26708         * doc/cppopts.texi: Reformat -d subtable to list the full name
26709         of the options.  Add cross-reference to the docs for the general
26710         compiler -d options.
26711         * doc/invoke.texi (Developer Options): Add cross-reference to the
26712         preprocessor-specific -d option documentation.
26714 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26716         PR preprocessor/13498
26717         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
26718         redudant material, and reflect new command-line options.
26719         (System Headers): Likewise.
26721 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26723         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
26724         -isystem, and -idirafter.  Copy-edit.
26725         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
26726         default for -ftrack-macro-expansion.  Delete obsolete and
26727         badly-formatted implementation details about -fdebug-cpp output.
26728         * doc/cppwarnopts.texi: Copy-edit.
26730 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
26732         PR c++/72803
26733         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
26734         that the transition from a max line width >= 1<<10 to narrower
26735         lines works correctly.
26737 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
26739         * doc/options.texi (PerFunction): New.
26740         * opt-functions.awk (switch_flags): Map both Optimization and
26741         PerFunction to CL_OPTIMIZATION.
26742         * opth-gen.awk: Test for PerFunction flag along with
26743         Optimization.
26744         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
26745         it only when the latter is present.  Skip those that don't in
26746         the hash function generator.
26747         * common.opt (fvar-tracking): Mark as PerFunction instead of
26748         Optimization.
26749         (fvar-tracking-assignments): Likewise.
26750         (fvar-tracking-assignments-toggle): Likewise.
26751         (fvar-tracking-uninit): Likewise.
26753 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
26755         PR translation/79018
26756         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
26757         the and store.
26759 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
26761         PR target/57583
26762         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
26763         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
26764         TARGET_LONG_JUMP_TABLE_OFFSETS.
26765         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
26766         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
26767         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
26768         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
26769         * config/m68k/m68k.md (tablejump expander): Likewise.
26770         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
26771         TARGET_LONG_JUMP_TABLE_OFFSETS.
26772         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
26773         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
26775 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
26776             David Holsgrove <david.holsgrove@xilinx.com>
26778         * common/config/microblaze/microblaze-common.c
26779         (TARGET_EXCEPT_UNWIND_INFO): Remove.
26780         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
26781         New prototype.
26782         * config/microblaze/microblaze.c (microblaze_must_save_register)
26783         (microblaze_expand_epilogue, microblaze_return_addr): Handle
26784         calls_eh_return.
26785         (microblaze_eh_return): New function.
26786         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
26787         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
26788         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
26789         * config/microblaze/microblaze.md (eh_return): New pattern.
26791 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
26793         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
26794         GCC_DIAGNOSTIC_STRINGIFY): Define.
26796         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
26798 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26800         * config/arm/arm.md (<mcrr>): New.
26801         (<mrrc>): New.
26802         * config/arm/arm.c (arm_arch5te): New.
26803         (arm_option_override): Set arm_arch5te.
26804         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
26805         and mrrc2.
26806         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
26807         (arm_mcrr_qualifiers): ... this. New.
26808         (MRRC_QUALIFIERS): Define to...
26809         (arm_mrrc_qualifiers): ... this. New.
26810         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
26811         __arm_mrrc2): New.
26812         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
26813         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
26814         (MRRCI, mrrc, MRRC): New.
26815         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
26816         VUNSPEC_MRRC2): New.
26818 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26820         * config/arm/arm.md (<mcr>): New.
26821         (<mrc>): New.
26822         * config/arm/arm.c (arm_coproc_builtin_available): Add
26823         support for mcr, mrc, mcr2 and mrc2.
26824         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
26825         (arm_mcr_qualifiers): ... this. New.
26826         (MRC_QUALIFIERS): Define to ...
26827         (arm_mrc_qualifiers): ... this. New.
26828         (MCR_QUALIFIERS): Define to ...
26829         (arm_mcr_qualifiers): ... this. New.
26830         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
26831         __arm_mrc2): New.
26832         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
26833         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
26834         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
26835         VUNSPEC_MRC2): New.
26837 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26839         * config/arm/arm.md (*ldc): New.
26840         (*stc): New.
26841         (<ldc>): New.
26842         (<stc>): New.
26843         * config/arm/arm.c (arm_coproc_builtin_available): Add
26844         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
26845         (arm_coproc_ldc_stc_legitimate_address): New.
26846         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
26847         'qualifier_const_pointer'.
26848         (LDC_QUALIFIERS): Define to...
26849         (arm_ldc_qualifiers): ... this. New.
26850         (STC_QUALIFIERS): Define to...
26851         (arm_stc_qualifiers): ... this. New.
26852         * config/arm/arm-protos.h
26853         (arm_coproc_ldc_stc_legitimate_address): New.
26854         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
26855         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
26856         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
26857         stc2, stcl, stc2l): New.
26858         * config/arm/constraints.md (Uz): New.
26859         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
26860         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
26861         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
26862         VUNSPEC_STC2L): New.
26864 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26866         * config/arm/arm.md (<cdp>): New.
26867         * config/arm/arm.c (neon_const_bounds): Rename this ...
26868         (arm_const_bounds): ... this.
26869         (arm_coproc_builtin_available): New.
26870         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
26871         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
26872         (CDP_QUALIFIERS): Define to...
26873         (arm_cdp_qualifiers): ... this. New.
26874         (void_UP): Define.
26875         (arm_expand_builtin_args): Add case for 6 arguments.
26876         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
26877         (arm_const_bounds): ... this.
26878         (arm_coproc_builtin_available): New.
26879         * config/arm/arm_acle.h (__arm_cdp): New.
26880         (__arm_cdp2): New.
26881         * config/arm/arm_acle_builtins.def (cdp): New.
26882         (cdp2): New.
26883         * config/arm/iterators.md (CDPI,CDP,cdp): New.
26884         * config/arm/neon.md: Rename all 'neon_const_bounds' to
26885         'arm_const_bounds'.
26886         * config/arm/types.md (coproc): New.
26887         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
26888         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
26889         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
26890         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
26892 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26894         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
26895         (UBINOP_QUALIFIERS): New.
26896         (si_UP): Define.
26897         (acle_builtin_data): New. Change comment.
26898         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
26899         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
26900         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
26901         arm_acle_builtins.def.
26902         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
26903         (arm_init_acle_builtins): New.
26904         (CRC32_BUILTIN): Remove.
26905         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
26906         crc32cb, crc32ch and crc32cw.
26907         (arm_init_crc32_builtins): Remove.
26908         (arm_init_builtins): Use arm_init_acle_builtins rather
26909         than arm_init_crc32_builtins.
26910         (arm_expand_acle_builtin): New.
26911         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
26912         * config/arm/arm_acle_builtins.def: New.
26914 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26916         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
26917         (arm_builtin_datum): ... this.
26918         (arm_init_neon_builtin): Rename to ...
26919         (arm_init_builtin): ... this. Add a new parameters PREFIX
26920         and USE_SIG_IN_NAME.
26921         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
26922         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
26923         'arm_builtin_datum'.
26924         (arm_init_vfp_builtins): Likewise.
26925         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
26926         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
26927         (arm_expand_neon_args): Rename to ...
26928         (arm_expand_builtin_args): ... this. Rename builtin_arg
26929         enum values and differentiate between ARG_BUILTIN_MEMORY
26930         and ARG_BUILTIN_NEON_MEMORY.
26931         (arm_expand_neon_builtin_1): Rename to ...
26932         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
26933         values, arm_expand_builtin_args and add bool parameter NEON.
26934         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
26935         (arm_expand_vfp_builtin): Likewise.
26936         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
26938 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26940         PR middle-end/77484
26941         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
26942         * predict.c (tree_estimate_probability_bb): Reverse direction of
26943         polymorphic call predictor.
26945 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
26947         * passes.c (execute_one_pass): Split out pass-skipping logic into...
26948         (determine_pass_name_match): ...this new function and...
26949         (should_skip_pass_p): ...this new function.
26951 2017-01-06  Nathan Sidwell  <nathan@acm.org>
26953         * ipa-visibility.c (function_and_variable_visibility): Reformat
26954         comments and long lines.  Remove extrneous if.
26955         * symtab.c (symtab_node::make_decl_local): Fix code format.
26956         (symtab_node::set_section_for_node): Fix comment typo.
26958 2017-01-06  Martin Liska  <mliska@suse.cz>
26960         PR bootstrap/79003
26961         * lra-constraints.c: Rename invariant to lra_invariant.
26962         * predict.c (set_even_probabilities): Initialize e to NULL.
26964 2017-01-05  Martin Sebor  <msebor@redhat.com>
26966         PR tree-optimization/78910
26967         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
26968         (format_integer): Correct off-by-one error in the handling
26969         of precision with negative numbers in signed conversions..
26971 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
26973         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
26975 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26977         PR tree-optimization/71016
26978         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
26979         factor_out_conditional_conversion.  Formatting fix.
26980         (factor_out_conditional_conversion): Add cond_stmt argument.
26981         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
26982         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
26983         Formatting fix.
26985 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
26987         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
26988         read-rtl-function.o, and selftest-rtl.o.
26989         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
26990         (selftest::aarch64_test_loading_full_dump): New function.
26991         (selftest::aarch64_run_selftests): New function.
26992         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
26993         selftest::aarch64_run_selftests.
26994         * config/i386/i386.c
26995         (selftest::ix86_test_loading_dump_fragment_1): New function.
26996         (selftest::ix86_test_loading_call_insn): New function.
26997         (selftest::ix86_test_loading_full_dump): New function.
26998         (selftest::ix86_test_loading_unspec): New function.
26999         (selftest::ix86_run_selftests): Call the new functions.
27000         * emit-rtl.c (maybe_set_max_label_num): New function.
27001         * emit-rtl.h (maybe_set_max_label_num): New decl.
27002         * function.c (instantiate_decls): Guard call to
27003         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
27004         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
27005         "static".
27006         * gensupport.c (gen_reader::gen_reader): Pass "false"
27007         for new "compact" param of rtx_reader.
27008         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
27009         rather than an empty string for NULL strings.
27010         * read-md.c: Potentially include config.h rather than bconfig.h.
27011         Wrap include of errors.h with #ifdef GENERATOR_FILE.
27012         (have_error): New global, copied from errors.c.
27013         (md_reader::read_name): Rename to...
27014         (md_reader::read_name_1): ...this, adding "out_loc" param,
27015         and converting "missing name or number" to returning false, rather
27016         than failing.
27017         (md_reader::read_name): Reimplement in terms of read_name_1.
27018         (md_reader::read_name_or_nil): New function.
27019         (md_reader::read_string): Handle "(nil)" by returning NULL.
27020         (md_reader::md_reader): Add new param "compact".
27021         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
27022         (md_reader::read_file): New method.
27023         * read-md.h (md_reader::md_reader): Add new param "compact".
27024         (md_reader::read_file): New method.
27025         (md_reader::is_compact): New accessor.
27026         (md_reader::read_name): Convert return type from void to file_location.
27027         (md_reader::read_name_or_nil): New decl.
27028         (md_reader::read_name_1): New decl.
27029         (md_reader::m_compact): New field.
27030         (noop_reader::noop_reader): Pass "false" for new "compact" param
27031         of rtx_reader.
27032         (rtx_reader::rtx_reader): Add new "compact" param.
27033         (rtx_reader::read_rtx_operand): Make virtual and convert return
27034         type from void to rtx.
27035         (rtx_reader::read_until): New decl.
27036         (rtx_reader::handle_any_trailing_information): New virtual function.
27037         (rtx_reader::postprocess): New virtual function.
27038         (rtx_reader::finalize_string): New virtual function.
27039         (rtx_reader::m_in_call_function_usage): New field.
27040         (rtx_reader::m_reuse_rtx_by_id): New field.
27041         * read-rtl-function.c: New file.
27042         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
27043         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
27044         (selftest::verify_three_block_rtl_cfg): New decl.
27045         * read-rtl-function.h: New file.
27046         * read-rtl.c: Potentially include config.h rather than bconfig.h.
27047         For host, include function.h, memmodel.h, and emit-rtl.h.
27048         (one_time_initialization): New function.
27049         (struct compact_insn_name): New struct.
27050         (compact_insn_names): New array.
27051         (find_code): Handle insn codes in compact dumps.
27052         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
27053         (bind_subst_iter_and_attr): Likewise.
27054         (add_condition_to_string): Likewise.
27055         (add_condition_to_rtx): Likewise.
27056         (apply_attribute_uses): Likewise.
27057         (add_current_iterators): Likewise.
27058         (apply_iterators): Likewise.
27059         (initialize_iterators): Guard usage of apply_subst_iterator with
27060         #ifdef GENERATOR_FILE.
27061         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
27062         (md_reader::read_mapping): Likewise.
27063         (add_define_attr_for_define_subst): Likewise.
27064         (add_define_subst_attr): Likewise.
27065         (read_subst_mapping): Likewise.
27066         (check_code_iterator): Likewise.
27067         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
27068         logic to...
27069         (one_time_initialization): New function.
27070         (rtx_reader::read_until): New method.
27071         (read_flags): New function.
27072         (parse_reg_note_name): New function.
27073         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
27074         Handle reuse_rtx ids.
27075         Wrap iterator lookup within #ifdef GENERATOR_FILE.
27076         Add parsing support for RTL dumps, mirroring the special-cases in
27077         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
27078         values, and calling handle_any_trailing_information.
27079         (rtx_reader::read_rtx_operand): Convert return type from void
27080         to rtx, returning return_rtx.  Handle case 'e'.  Call
27081         finalize_string on XSTR and XTMPL fields.
27082         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
27083          "(nil)" values were omitted.  Call the postprocess vfunc on the
27084         return_rtx.
27085         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
27086         class ctor.  Initialize m_in_call_function_usage.  Call
27087         one_time_initialization.
27088         * rtl-tests.c (selftest::test_uncond_jump): Call
27089         set_new_first_and_last_insn.
27090         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
27091         * selftest-rtl.c: New file.
27092         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
27093         (selftest::get_insn_by_uid): New decl.
27094         * selftest-run-tests.c (selftest::run_tests): Call
27095         read_rtl_function_c_tests.
27096         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
27097         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
27098         dumps.
27100 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
27102         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
27103         operands in a special way.  Assert that pos+len <= mode precision.
27105 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
27107         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
27108         3 argument Alias with unlimited for the negative form.
27109         (fno-vect-cost-model): Removed.
27111 2017-01-05  Martin Liska  <mliska@suse.cz>
27113         * hsa-gen.c (gen_hsa_divmod): New function.
27114         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
27116 2017-01-05  Martin Liska  <mliska@suse.cz>
27118         PR pch/78970
27119         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
27120         header.
27122 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
27124         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
27125         small constant length operands.
27127 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
27129         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
27130         between loop iterations.
27132 2017-01-05  Martin Liska  <mliska@suse.cz>
27134         PR sanitizer/78815
27135         * gimplify.c (gimplify_decl_expr): Compare to
27136         asan_poisoned_variables instread of checking flags.
27137         (gimplify_target_expr): Likewise.
27138         (gimplify_expr): Likewise.
27139         (gimplify_function_tree): Conditionally initialize
27140         asan_poisoned_variables.
27142 2017-01-04  Jeff Law  <law@redhat.com>
27144         PR tree-optimizatin/78812
27145         * rtl.h (contains_mem_rtx_p): Prototype.
27146         * ifcvt.c (containts_mem_rtx_p): Move from here to...
27147         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
27148         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
27149         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
27150         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
27152 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
27154         * input.c (assert_char_at_range): Default-initialize actual_range.
27156 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
27158         * df-scan.c (df_ref_create_structure): Make regno unsigned,
27159         to match the caller.
27161 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
27163         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
27164         insns after final jump in test to emit dummy move.
27166 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
27168         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
27169         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
27171 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
27173         * multiple_target.c (create_dispatcher_calls): Init e_next.
27174         * tree-ssa-loop-split.c (split_loop): Init border.
27175         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
27176         scalar_type.
27178 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
27180         PR target/71977
27181         PR target/70568
27182         PR target/78823
27183         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
27184         (altivec_register_operand): Do not return true if the operand
27185         contains a SUBREG mixing SImode and SFmode.
27186         (vsx_register_operand): Likewise.
27187         (vsx_reg_sfsubreg_ok): New predicate.
27188         (vfloat_operand): Do not return true if the operand contains a
27189         SUBREG mixing SImode and SFmode.
27190         (vint_operand): Likewise.
27191         (vlogical_operand): Likewise.
27192         (gpc_reg_operand): Likewise.
27193         (int_reg_operand): Likewise.
27194         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
27195         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
27196         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
27197         SImode and SFmode.
27198         (rs6000_emit_move_si_sf_subreg): New helper function.
27199         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
27200         fixup SUBREGs involving SImode and SFmode.
27201         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
27202         numbers for the new peephole2 optimization.
27203         (peephole2 for SFmode unions): New peephole2 to optimize cases in
27204         the GLIBC math library that do AND/IOR/XOR operations on single
27205         precision floating point.
27206         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
27207         target macros to say whether we need to avoid SUBREGs mixing
27208         SImode and SFmode.
27209         (TARGET_ALLOW_SF_SUBREG): Likewise.
27210         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
27211         (UNSPEC_SI_FROM_SF): Likewise.
27212         (iorxor): Change spacing.
27213         (and_ior_xor): New iterator for AND, IOR, and XOR.
27214         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
27215         (movdi_from_sf_zero_ext): Likewise.
27216         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
27217         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
27218         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
27219         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
27220         (fms<mode>4): Likewise.
27221         (fnma<mode>4): Likewise.
27222         (fnms<mode>4): Likewise.
27223         (nfma<mode>4): Likewise.
27224         (nfms<mode>4): Likewise.
27226 2017-01-04  Marek Polacek  <polacek@redhat.com>
27228         PR c++/64767
27229         * doc/invoke.texi: Document -Wpointer-compare.
27231 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27233         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
27234         RejectNegative.
27236         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
27237         descriptions for -gdwarf-5 and emit them as uleb128 instead of
27238         2-byte data.
27240 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
27242         PR target/78056
27243         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
27244         documentation of the powerpc_popcntb_ok attribute.
27245         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
27246         code to issue warning messages if a requested CPU configuration is
27247         not supported by the binary (assembler and loader) toolchain.
27248         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
27249         made to define a built-in function that has been disabled.
27250         (paired_init_builtins): Add assertion to prevent ICE if attempt is
27251         made to define a built-in function that has been disabled.
27252         (altivec_init_builtins): Add comment explaining why definition
27253         of the DST built-in functions is not preceded by an assertion
27254         check.  Add assertions to prevent ICE if attempts are made to
27255         define an altivec predicate or an abs* built-in function that has
27256         been disabled.
27257         (htm_init_builtins): Add comment explaining why definition of the
27258         htm built-in functions is not preceded by an assertion check.
27260 2017-01-04  Jeff Law  <law@redhat.com>
27262         PR tree-optimizatin/67955
27263         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
27264         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
27265         the points-to solution does not include pt_null.  Use DECL_PT_UID
27266         unconditionally.
27268 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
27270         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
27271         Use gen_int_mode instead of gen_lopwart for const_int operands.
27273 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27275         PR tree-optimization/71563
27276         * match.pd: Simplify X << Y into X if Y is known to be 0 or
27277         out of range value - has low bits known to be zero.
27279 2017-01-04  Alan Modra  <amodra@gmail.com>
27281         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
27282         * configure: Regenerate.
27283         * config.in: Regenerate.
27285 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27287         PR bootstrap/77569
27288         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
27289         a substring of the message, but strcmp with the whole message.  Ifdef
27290         ENABLE_NLS, translate the message first using dgettext.
27292 2017-01-03  Jeff Law  <law@redhat.com>
27294         PR tree-optimizatin/78856
27295         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
27296         (mark_threaded_blocks): Remove code to truncate thread paths that
27297         cross multiple loop headers.  Instead invalidate the cached loop
27298         iteration information and handle case of a thread path walking
27299         into an irreducible region.
27301 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
27303         PR target/78900
27304         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
27305         assertions.  Add support for doing the signbit if the IEEE 128-bit
27306         floating point value is in a GPR.
27307         * config/rs6000/rs6000.md (Fsignbit): Delete.
27308         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
27309         Update the length attribute if the value is in a GPR.
27310         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
27311         the sign or zero extension instruction, since the value is always 0/1.
27312         (signbit<mode>2_dm2): Delete using <Fsignbit>.
27314         PR target/78953
27315         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
27316         extracting SImode to a GPR register so that we can generate a
27317         store, limit the vector to be in a traditional Altivec register
27318         for the vextuwrx instruction.
27320 2017-01-03  Ian Lance Taylor  <iant@google.com>
27322         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
27324 2017-01-03  Martin Sebor  <msebor@redhat.com>
27326         PR tree-optimization/78696
27327         * gimple-ssa-sprintf.c (format_floating): Correct handling of
27328         precision.  Use MPFR for %f for greater fidelity.  Correct handling
27329         of %g.
27330         (pass_sprintf_length::compute_format_length): Set width and precision
27331         specified by asrerisk to void_node for vararg functions.
27332         (try_substitute_return_value): Adjust dump output.
27334 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
27336         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
27338 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
27340         * doc/invoke.texi (SPARC options): Document -mlra as the default.
27341         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
27342         -mlra/-mno-lra was passed to the compiler.
27344 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
27346         PR rtl-optimization/65618
27347         * emit-rtl.c (try_split): Move initialization of "before" and
27348         "after" to just before the call to emit_insn_after_setloc.
27350 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
27352         * doc/md.texi (Standard Names): Remove reference to Java frontend.
27354 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
27356         * dwarf2out.c (gen_enumeration_type_die): When
27357         -gno-strict-dwarf, add a DW_AT_encoding attribute.
27359 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
27361         PR tree-optimization/78965
27362         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
27363         Change first argument from const call_info & to call_info &.  For %n
27364         set info.nowrite to false.
27366         PR middle-end/78901
27367         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
27368         possibly throwing calls.
27370         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
27371         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
27372         and fns handling, rather than in a separate case SSA_NAME.
27374 2017-01-02  Jeff Law  <law@redhat.com>
27376         * config/darwin-driver.c (darwin_driver_init): Const-correctness
27377         fixes for first_period and second_period variables.
27379 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
27381         PR target/78967
27382         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
27383         (*insvqi_1): New insn pattern.
27384         (*insvqi_1_mem_rex64): Ditto.
27385         (*insvqi_2): Ditto.
27386         (*insvqi_3): Rename from *insvqi.
27388         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
27390 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
27392         * doc/cfg.texi (Edges): Remove reference to Java.
27393         (Maintaining the CFG): Ditto.
27395 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
27397         PR middle-end/77674
27398         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
27399         transparent aliases.
27401 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
27403         PR middle-end/77484
27404         * predict.def (PRED_CALL): Update hitrate.
27405         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
27406         * predict.c (tree_estimate_probability_bb): Split CALL predictor
27407         into direct/indirect/polymorphic variants.
27409 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
27411         Update copyright years.
27413         * gcc.c (process_command): Update copyright notice dates.
27414         * gcov-dump.c (print_version): Ditto.
27415         * gcov.c (print_version): Ditto.
27416         * gcov-tool.c (print_version): Ditto.
27417         * gengtype.c (create_file): Ditto.
27418         * doc/cpp.texi: Bump @copying's copyright year.
27419         * doc/cppinternals.texi: Ditto.
27420         * doc/gcc.texi: Ditto.
27421         * doc/gccint.texi: Ditto.
27422         * doc/gcov.texi: Ditto.
27423         * doc/install.texi: Ditto.
27424         * doc/invoke.texi: Ditto.
27426 Copyright (C) 2017 Free Software Foundation, Inc.
27428 Copying and distribution of this file, with or without modification,
27429 are permitted in any medium without royalty provided the copyright
27430 notice and this notice are preserved.