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1 2017-08-14  Release Manager
3         * GCC 7.2.0 released.
5 2017-08-08  Richard Biener  <rguenther@suse.de>
7         PR middle-end/81766
8         * function.c (thread_prologue_and_epilogue_insns): Restore
9         behavior of always calling find_many_sub_basic_blocks on
10         the inserted prologue.
12 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
14         PR middle-end/79499
15         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
16         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
17         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
18         prologue_seq sequences - if any.
20 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
22         PR target/81641
23         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
24         print "ds:" only for immediates in generic address space.
26 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
28         PR target/81622
29         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
30         __builtin_vec_cmpne verify both arguments are compatible vectors
31         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
32         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
33         move computation of aligned to after checking the argument types.
34         Formatting fixes.
36 2017-08-01  Martin Liska  <mliska@suse.cz>
38         Backport from mainline
39         2017-07-26  Martin Liska  <mliska@suse.cz>
41         PR gcov-profile/81561
42         * gcov.c (unblock): Make unblocking safe as we need to preserve
43         index correspondence of blocks and block_lists.
45 2017-08-01  Richard Biener  <rguenther@suse.de>
47         PR tree-optimization/71752
48         PR tree-optimization/81633
49         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands
50         in the original suggested way.
52 2017-08-01  Richard Sandiford  <richard.sandiford@linaro.org>
54         PR tree-optimization/80769
55         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
56         for malloc and calloc.  Document the new invariant that all related
57         strinfos have delayed lengths or none do.
58         (get_next_strinfo): New function.
59         (verify_related_strinfos): Move earlier in file.
60         (set_endptr_and_length): New function, split out from...
61         (get_string_length): ...here.  Also set the lengths of related
62         strinfos.
64 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
66         PR tree-optimization/81588
67         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
68         ranges[i].in_p, invert comparison code ccode.  For >/>=,
69         swap rhs1 and rhs2 and comparison code unconditionally,
70         for </<= don't do that.  Don't swap rhs1/rhs2 again if
71         ranges[i].in_p, instead invert comparison code ccode if
72         opcode or oe->rank is BIT_IOR_EXPR.
74 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
76         Backport from mainline
77         2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
79         * config.gcc: Add z14.
80         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
81         CPU model numbers for z13s and z14.
82         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
83         arch12 with z14.
84         * config/s390/s390-opts.h (enum processor_type): Rename
85         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
86         * config/s390/s390.c (processor_table): Add field for CPU name to
87         be passed to Binutils.
88         (s390_asm_output_machine_for_arch): Use the new field in
89         processor_table for Binutils.
90         (s390_expand_builtin): Replace arch12 with z14.
91         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
92         (s390_get_sched_attrmask): Likewise.
93         (s390_get_unit_mask): Likewise.
94         * config/s390/s390.opt: Add z14 to processor_type enum.
96 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
98         PR sanitizer/81604
99         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
100         change type to the element type, instead add eltype variable and
101         use it where we are interested in the element type.
103 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
105         Backport from mainline
106         2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
108         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
109         (PPC_FEATURE2_SCV): Likewise.
110         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
112 2017-07-28  David Edelsohn  <dje.gcc@gmail.com>
114         Backport from mainline
115         2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
117         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
118         character for AIX.
119         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
120         to dl_section_ref.  On AIX, append an expression to subtract
121         the size of the section length to dl_section_ref.
123 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
125         Backport from mainline r250496
126         2017-07-25  Bin Cheng  <bin.cheng@arm.com>
128         PR target/81414
129         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
130         instructions if no du chain is found.
132 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
134         Backport from mainline
135         2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
137         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
138         rs6000/biarch64.h.
139         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
140         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
141         (CRT_CALL_STATIC_FUNCTION): Likewise.
142         (ASM_DEFAULT_SPEC): New define.
143         (ASM_SPEC32): Likewise.
144         (ASM_SPEC64): Likewise.
145         (ASM_SPEC_COMMON): Likewise.
146         (ASM_SPEC): Likewise.
147         (INVALID_64BIT): Likewise.
148         (LINK_OS_DEFAULT_SPEC): Likewise.
149         (LINK_OS_SPEC32): Likewise.
150         (LINK_OS_SPEC64): Likewise.
151         (POWERPC_LINUX): Likewise.
152         (PTRDIFF_TYPE): Likewise.
153         (RESTORE_FP_PREFIX): Likewise.
154         (RESTORE_FP_SUFFIX): Likewise.
155         (SAVE_FP_PREFIX): Likewise.
156         (SAVE_FP_SUFFIX): Likewise.
157         (SIZE_TYPE): Likewise.
158         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
159         (TARGET_64BIT): Likewise.
160         (TARGET_64BIT): Likewise.
161         (TARGET_AIX): Likewise.
162         (WCHAR_TYPE_SIZE): Likewise.
163         (WCHAR_TYPE): Undefine.
164         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
165         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
166         (CPP_OS_RTEMS_SPEC): Delete.
167         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
168         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
169         link_os_spec64.
170         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
172 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
174         Backport from mainline
175         2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
177         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
178         * config/riscv/rtems.h: New file.
180 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
182         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
183         earlier and only if MASK_FPU is set.  Adjust formatting.
185 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
187         Backport from mainline
188         2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
190         PR target/81534
191         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
192         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
193         Change s_operand to memory_operand.
195 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
197         PR tree-optimization/81555
198         PR tree-optimization/81556
199         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
200         if true, force CHANGED for the recursive invocation.
201         (reassociate_bb): Remember original length of ops array, pass
202         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
204 2017-07-27  Martin Liska  <mliska@suse.cz>
206         Backport from mainline
207         2017-07-17  Martin Liska  <mliska@suse.cz>
209         PR sanitizer/81302
210         * opts.c (finish_options): Do not allow -fgnu-tm
211         w/ -fsanitize={kernel-,}address.  Say sorry.
213 2017-07-27  Martin Liska  <mliska@suse.cz>
215         Backport from mainline
216         2017-07-26  Martin Liska  <mliska@suse.cz>
218         PR sanitize/81186
219         * function.c (expand_function_start): Make expansion of
220         nonlocal_goto_save_area after parm_birth_insn.
222 2017-07-27  Martin Liska  <mliska@suse.cz>
224         Backport from mainline
225         2017-06-30  Martin Liska  <mliska@suse.cz>
227         PR sanitizer/81021
228         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
229         before BUILT_IN_UNWIND_RESUME when ASAN is used.
231 2017-07-27  Martin Liska  <mliska@suse.cz>
233         Backport from mainline
234         2017-06-28  Martin Liska  <mliska@suse.cz>
236         PR sanitizer/81224
237         * asan.c (instrument_derefs): Bail out inner references
238         that are hard register variables.
240 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
242         Backport from mainline
243         2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
245         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
246         (sparc_option_override): Honour MASK_FSMULD.
247         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
248         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
249         * config/sparc/sparc.opt (mfsmuld): New option.
250         * doc/invoke.texi (mfsmuld): Document option.
252 2017-07-26  Georg-Johann Lay  <avr@gjlay.de>
254         Backport from 2017-07-25 trunk r250499.
256         PR 81487
257         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
258         * gimple-pretty-print.c (dump_probability): Same.
259         * tree-ssa-structalias.c (alias_get_name): Same.
261 2017-07-26  Richard Biener  <rguenther@suse.de>
263         Backport from mainline
264         2017-06-18  Richard Biener  <rguenther@suse.de>
266         PR tree-optimization/81410
267         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
268         the gap in the ! slp_perm SLP case after each group.
270         2017-07-25  Richard Biener  <rguenther@suse.de>
272         PR tree-optimization/81455
273         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
274         not walk in cycles when looking for guards.
276         2017-07-25  Richard Biener  <rguenther@suse.de>
278         PR middle-end/81505
279         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
280         sticky.
282         2017-06-28  Jakub Jelinek  <jakub@redhat.com>
284         PR target/81175
285         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
286         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
288         2017-06-26  Richard Biener  <rguenther@suse.de>
290         PR target/81175
291         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
292         Use def_builtin_pure for all gather builtins.
294         2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
296         * config/i386/i386.c (struct builtin_isa): New field pure_p.
297         Reorder for compactness.
298         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
299         (def_builtin_pure, def_builtin_pure2): New functions.
300         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
302 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
304         Backport from mainline
305         2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
307         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
308         from all CPU target flags enable members.
310 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
312         Backport from mainline
313         2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
315         PR libgcc/61152
316         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
317         Format changes.
318         * config/arm/rtems.h: Likewise.
319         * config/bfin/rtems.h: Likewise.
320         * config/i386/rtemself.h: Likewise.
321         * config/lm32/rtems.h: Likewise.
322         * config/m32c/rtems.h: Likewise.
323         * config/m68k/rtemself.h: Likewise.
324         * config/microblaze/rtems.h: Likewise.
325         * config/mips/rtems.h: Likewise.
326         * config/moxie/rtems.h: Likewise.
327         * config/nios2/rtems.h: Likewise.
328         * config/rs6000/rtems.h: Likewise.
329         * config/rtems.h: Likewise.
330         * config/sh/rtems.h: Likewise.
331         * config/sh/rtemself.h: Likewise.
332         * config/sparc/rtemself.h: Likewise.
334 2017-07-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
336         Backport from mainline
337         2017-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
339         PR tree-optimization/81162
340         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
341         replace a negate with an add.
343 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
345         Backport from 2017-07-12 trunk r250151.
347         PR target/81407
348         * config/avr/avr.c (avr_encode_section_info)
349         [progmem && !TREE_READONLY]: Error if progmem object needs
350         constructing.
352 2017-07-25  Wilco Dijkstra  <wdijkstr@arm.com>
354         PR target/79041
355         * config/aarch64/aarch64.c (aarch64_classify_symbol):
356         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
358 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
360         Backport from trunk r247719.
362         2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
364         PR rtl-optimization/75964
365         * simplify-rtx.c (simplify_const_relational_operation): Remove
366         invalid handling of comparisons of integer ABS.
368 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
370         Backport from 2017-07-20 trunk r250384.
372         PR tree-optimization/81388
373         Revert r238585:
374         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
376         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
377         by removing computation of may_be_zero.
379 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
381         PR target/80569
382         * config/i386/i386.c (ix86_option_override_internal): Disable
383         BMI, BMI2 and TBM instructions for -m16.
385 2017-07-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
387         Back port from trunk
388         2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
390         PR target/81193
391         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
392         provides the hardware capability bits, define the macro
393         __BUILTIN_CPU_SUPPORTS__.
394         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
395         if GLIBC does not provide the hardware capability bits.  Add a
396         gcc_unreachable call if the built-in cpu function is neither
397         __builtin_cpu_is nor __builtin_cpu_supports.
398         * doc/extend.texi (PowerPC built-in functions): Document that
399         GLIBC 2.23 or newer is needed by __builtin_cpu_is and
400         __builtin_cpu_supports.  Document the macros defined by GCC if the
401         newer GLIBC is available.
403 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
405         PR target/81471
406         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
407         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
408         operand 2 predicate.
409         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
410         operand 2 predicate.
411         (ror,rol -> rorx splitters): Use const_int_operand as
412         operand 2 predicate.
414 2017-07-18  Tom de Vries  <tom@codesourcery.com>
416         backport from mainline:
417         PR target/81069
418         2017-07-17  Tom de Vries  <tom@codesourcery.com>
420         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
421         as possible.
423 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
425         Backport from 2017-07-18 trunk r250301.
427         PR target/81473
428         * config/avr/avr.c (avr_optimize_casesi): Don't use
429         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
431 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
433         PR tree-optimization/81428
434         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
435         can't be built for those types.
437         PR tree-optimization/81365
438         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
439         aggregate moves onto bb predecessor edges, make sure there are no
440         loads that could alias the lhs in between the start of bb and the
441         loads from *phi.
443         Backported from mainline
444         2017-06-30  Jakub Jelinek  <jakub@redhat.com>
446         PR target/81225
447         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For
448         V8FI, V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
449         of nonimmediate_operand and <store_mask_constraint> instead of m for
450         the input operand.  For V8FI iterator, always split if input is a MEM.
451         For V16FI and V8SF_256 iterators, don't test if both operands are MEM
452         if <mask_applied>.  For VI4F_256 iterator, use <store_mask_predicate>
453         instead of register_operand and <store_mask_constraint> instead of v for
454         the input operand.  Make sure both operands aren't MEMs for if not
455         <mask_applied>.
457 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
459         Backport from 2017-07-17 trunk r250258.
461         PR 80929
462         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
463         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
464         [LSHIFTRT, outer_code = TRUNCATE]: Same.
466 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
468         Backport from mainline
469         2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
471         *  gcc/config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
472         conditional builtin define __FIX_LEON3FT_B2BST.
474 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
476         Backport from mainline
477         2017-07-17  Daniel Cederman  <cederman@gaisler.com>
479         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
480         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
481         with -mfix-ut700.
483 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
485         PR rtl-optimization/81424
486         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
487         to remove potential trapping from operands if -fnon-call-exceptions.
489 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
491         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
492         to back store errata sensitive sequence from being generated.
493         (sqrtdf2_fix): Likewise.
495 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
497         Backport from 2017-07-12 trunk r250156.
499         PR target/79883
500         * config/avr/avr.c (avr_set_current_function): In diagnostic
501         messages: Quote keywords and (parts of) identifiers.
502         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
503         "INTERRUPT".
505 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
507         * config/sparc/sparc.opt (mfix-ut700): New option.
508         (mfix-gr712rc): Likewise.
509         (sparc_fix_b2bst): New variable.
510         * doc/invoke.texi (SPARC options): Document them.
511         (ARM options): Fix warnings.
512         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
513         instructions to prevent sequences that can trigger the store-store
514         errata for certain LEON3FT processors.
515         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
516         (sparc_option_override): Set sparc_fix_b2bst appropriately.
517         * config/sparc/sparc.md (fix_b2bst): New attribute.
518         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
520 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
522         PR target/81375
523         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
524         (rcpps): Ditto.
525         (*rsqrtsf2_sse): Ditto.
526         (rsqrtsf2): Ditto.
527         (div<mode>3): Macroize insn from divdf3 and divsf3
528         using MODEF mode iterator.
530 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
532         Backport from mainline
533         2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
535         PR target/81348
536         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
537         correct operand in doing the split.
539 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
541         * config/sparc/m8.md: New file.
542         * config/sparc/sparc.md: Include m8.md.
544 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
546         * config/sparc/sparc.opt: New option -mvis4b.
547         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
548         (sparc_option_override): Handle VIS4B.
549         (enum sparc_builtins): Define
550         SPARC_BUILTIN_DICTUNPACK{8,16,32},
551         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
552         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
553         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
554         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
555         (check_constant_argument): New function.
556         (sparc_vis_init_builtins): Define builtins
557         __builtin_vis_dictunpack{8,16,32},
558         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
559         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
560         __builtin_vis_fpcmpde{8,16,32}shl and
561         __builtin_vis_fpcmpur{8,16,32}shl.
562         (sparc_expand_builtin): Check that the constant operands to
563         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
564         constant and in range.
565         * config/sparc/sparc-c.c (sparc_target_macros): Handle
566         TARGET_VIS4B.
567         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
568         (SPARC_IMM5_P): Likewise.
569         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
570         (enabled): Handle vis4b.
571         (UNSPEC_DICTUNPACK): New unspec.
572         (UNSPEC_FPCMPSHL): Likewise.
573         (UNSPEC_FPUCMPSHL): Likewise.
574         (UNSPEC_FPCMPDESHL): Likewise.
575         (UNSPEC_FPCMPURSHL): Likewise.
576         (cpu_feature): New CPU feature `vis4b'.
577         (dictunpack{8,16,32}): New insns.
578         (FPCSMODE): New mode iterator.
579         (fpcscond): New code iterator.
580         (fpcsucond): Likewise.
581         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
582         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
583         (fpcmpde{8,16,32}{si,di}shl): Likewise.
584         (fpcmpur{8,16,32}{si,di}shl): Likewise.
585         * config/sparc/constraints.md: Define constraints `q' for unsigned
586         2-bit integer constants and `t' for unsigned 5-bit integer
587         constants.
588         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
589         predicate.
590         (imm5_operand_dictunpack16): Likewise.
591         (imm5_operand_dictunpack32): Likewise.
592         (imm2_operand): Likewise.
593         * doc/invoke.texi (SPARC Options): Document -mvis4b.
594         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
595         ditunpack* and fpcmp*shl builtins.
597 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
599         * config.gcc: Handle m8 in --with-{cpu,tune} options.
600         * config.in: Add HAVE_AS_SPARC6 define.
601         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
602         M8.
603         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
604         TARGET_CPU_m8.
605         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
606         (CPP_CPU_SPEC): Handle m8.
607         (ASM_CPU_SPEC): Likewise.
608         * config/sparc/sparc-opts.h (enum processor_type): Add
609         PROCESSOR_M8.
610         * config/sparc/sparc.c (m8_costs): New struct.
611         (sparc_option_override): Handle TARGET_CPU_m8.
612         (sparc32_initialize_trampoline): Likewise.
613         (sparc64_initialize_trampoline): Likewise.
614         (sparc_issue_rate): Likewise.
615         (sparc_register_move_cost): Likewise.
616         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
617         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
618         (ASM_CPU64_DEFAULT_SPEC): Likewise.
619         (CPP_CPU_SPEC): Handle M8.
620         (ASM_CPU_SPEC): Likewise.
621         (AS_M8_FLAG): Define.
622         * config/sparc/sparc.md: Add m8 to the cpu attribute.
623         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
624         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
625         M8 instructions.
626         * configure: Regenerate.
627         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
628         -mtune=m8.
630 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
632         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
633         subtypes.
634         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
635         ("*movdi_insn_sp32"): Do not set v3pipe.
636         ("*movsi_insn"): Likewise.
637         ("*movdi_insn_sp64"): Likewise.
638         ("*movsf_insn"): Likewise.
639         ("*movdf_insn_sp32"): Likewise.
640         ("*movdf_insn_sp64"): Likewise.
641         ("*zero_extendsidi2_insn_sp64"): Likewise.
642         ("*sign_extendsidi2_insn"): Likewise.
643         ("*mov<VM32:mode>_insn"): Likewise.
644         ("*mov<VM64:mode>_insn_sp64"): Likewise.
645         ("*mov<VM64:mode>_insn_sp32"): Likewise.
646         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
647         ("<vlop:code><VL:mode>3"): Likewise.
648         ("*not_<vlop:code><VL:mode>3"): Likewise.
649         ("*nand<VL:mode>_vis"): Likewise.
650         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
651         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
652         ("one_cmpl<VL:mode>2"): Likewise.
653         ("faligndata<VM64:mode>_vis"): Likewise.
654         ("alignaddrsi_vis"): Likewise.
655         ("alignaddrdi_vis"): Likweise.
656         ("alignaddrlsi_vis"): Likewise.
657         ("alignaddrldi_vis"): Likewise.
658         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
659         ("bmaskdi_vis"): Likewise.
660         ("bmasksi_vis"): Likewise.
661         ("bshuffle<VM64:mode>_vis"): Likewise.
662         ("cmask8<P:mode>_vis"): Likewise.
663         ("cmask16<P:mode>_vis"): Likewise.
664         ("cmask32<P:mode>_vis"): Likewise.
665         ("pdistn<P:mode>_vis"): Likewise.
666         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
668 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
670         * config/sparc/sparc.md ("subtype"): New insn attribute.
671         ("*wrgsr_sp64"): Set insn subtype.
672         ("*rdgsr_sp64"): Likewise.
673         ("alignaddrsi_vis"): Likewise.
674         ("alignaddrdi_vis"): Likewise.
675         ("alignaddrlsi_vis"): Likewise.
676         ("alignaddrldi_vis"): Likewise.
677         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
678         ("fexpand_vis"): Likewise.
679         ("fpmerge_vis"): Likewise.
680         ("faligndata<VM64:mode>_vis"): Likewise.
681         ("bshuffle<VM64:mode>_vis"): Likewise.
682         ("cmask8<P:mode>_vis"): Likewise.
683         ("cmask16<P:mode>_vis"): Likewise.
684         ("cmask32<P:mode>_vis"): Likewise.
685         ("fchksm16_vis"): Likewise.
686         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
687         ("fmean16_vis"): Likewise.
688         ("fp<plusminus_insn>64_vis"): Likewise.
689         ("<plusminus_insn>v8qi3"): Likewise.
690         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
691         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
692         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
693         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
694         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
695         ("*movqi_insn"): Likewise.
696         ("*movhi_insn"): Likewise.
697         ("*movsi_insn"): Likewise.
698         ("movsi_pic_gotdata_op"): Likewise.
699         ("*movdi_insn_sp32"): Likewise.
700         ("*movdi_insn_sp64"): Likewise.
701         ("movdi_pic_gotdata_op"): Likewise.
702         ("*movsf_insn"): Likewise.
703         ("*movdf_insn_sp32"): Likewise.
704         ("*movdf_insn_sp64"): Likewise.
705         ("*zero_extendhisi2_insn"): Likewise.
706         ("*zero_extendqihi2_insn"): Likewise.
707         ("*zero_extendqisi2_insn"): Likewise.
708         ("*zero_extendqidi2_insn"): Likewise.
709         ("*zero_extendhidi2_insn"): Likewise.
710         ("*zero_extendsidi2_insn_sp64"): Likewise.
711         ("ldfsr"): Likewise.
712         ("prefetch_64"): Likewise.
713         ("prefetch_32"): Likewise.
714         ("tie_ld32"): Likewise.
715         ("tie_ld64"): Likewise.
716         ("*tldo_ldub_sp32"): Likewise.
717         ("*tldo_ldub1_sp32"): Likewise.
718         ("*tldo_ldub2_sp32"): Likewise.
719         ("*tldo_ldub_sp64"): Likewise.
720         ("*tldo_ldub1_sp64"): Likewise.
721         ("*tldo_ldub2_sp64"): Likewise.
722         ("*tldo_ldub3_sp64"): Likewise.
723         ("*tldo_lduh_sp32"): Likewise.
724         ("*tldo_lduh1_sp32"): Likewise.
725         ("*tldo_lduh_sp64"): Likewise.
726         ("*tldo_lduh1_sp64"): Likewise.
727         ("*tldo_lduh2_sp64"): Likewise.
728         ("*tldo_lduw_sp32"): Likewise.
729         ("*tldo_lduw_sp64"): Likewise.
730         ("*tldo_lduw1_sp64"): Likewise.
731         ("*tldo_ldx_sp64"): Likewise.
732         ("*mov<VM32:mode>_insn"): Likewise.
733         ("*mov<VM64:mode>_insn_sp64"): Likewise.
734         ("*mov<VM64:mode>_insn_sp32"): Likewise.
736 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
738         * config/sparc/sparc.md ("type"): New insn type viscmp.
739         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
740         viscmp.
741         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
742         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
743         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
744         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
745         viscmp.
746         ("n7_vis_logical_11cycle"): Likewise.
747         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
748         * config/sparc/niagara2.md ("niag3_vis": Likewise.
749         * config/sparc/niagara.md ("niag_vis"): Likewise.
750         * config/sparc/ultra3.md ("us3_fga"): Likewise.
751         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
753 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
755         * config/sparc/sparc.md: New instruction type `bmask'.
756         (bmaskdi_vis): Use the `bmask' type.
757         (bmasksi_vis): Likewise.
758         * config/sparc/ultra3.md (us3_array): Likewise.
759         * config/sparc/niagara7.md (n7_array): Likewise.
760         * config/sparc/niagara4.md (n4_array): Likewise.
761         * config/sparc/niagara2.md (niag2_vis): Likewise.
762         (niag3_vis): Likewise.
763         * config/sparc/niagara.md (niag_vis): Likewise.
765 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
767         Backport from 2017-07-05 trunk r249995.
769         PR target/81305
770         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
771         Don't depend on "optimize > 0".
772         (out_movhi_r_mr, out_movqi_mr_r): Same.
773         (out_movhi_mr_r, out_movqi_r_mr): Same.
774         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
775         io_address_operand on "optimize > 0".
777 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
779         PR target/81300
780         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
781         Require dead FLAGS_REG at the beginning of a peephole.
783 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
785         PR target/81294
786         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
787         arguments in the call to __builtin_ia32_sbb_u32.
788         (_subborrow_u64): Swap _X and _Y arguments in the call to
789         __builtin_ia32_sbb_u64.
791 2017-07-03  Segher Boessenkool  <segher@kernel.crashing.org>
793         Backport from trunk:
795         2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
797         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
798         of REGNO.
800 2017-07-03  Tom de Vries  <tom@codesourcery.com>
802         backport from mainline:
803         PR tree-optimization/81192
804         2017-07-03  Tom de Vries  <tom@codesourcery.com>
806         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
807         BB_SAME_SUCC (bb) == NULL.
809 2017-06-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
811         Backport from mainline
812         2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
814         PR target/80510
815         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
816         32-bit, since indexed is not valid for DImode.
817         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
818         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
819         (define_peephole2 for Altivec d-form load): Add 32-bit support.
820         (define_peephole2 for Altivec d-form store): Likewise.
822         Backport from mainline
823         2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
825         PR target/79799
826         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
827         for doing vector set of SFmode on ISA 3.0.
828         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
829         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
830         element.
831         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
832         SFmode value into a V4SF variable that was extracted from another
833         V4SF variable without converting the element to double precision
834         and back to single precision vector format.
835         (vsx_insert_extract_v4sf_p9_2): Likewise.
837 2017-06-29  Richard Biener  <rguenther@suse.de>
839         Backport from mainline
840         2017-06-19  Richard Biener  <rguenther@suse.de>
842         PR ipa/81112
843         * ipa-prop.c (find_constructor_constant_at_offset): Handle
844         RANGE_EXPR conservatively.
846 2017-06-28  Richard Biener  <rguenther@suse.de>
848         Backport from mainline
849         2017-06-09  Richard Biener  <rguenther@suse.de>
851         PR middle-end/81007
852         * ipa-polymorphic-call.c
853         (ipa_polymorphic_call_context::restrict_to_inner_class):
854         Skip FIELD_DECLs with error_mark_node type.
855         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
856         last again.
858         2017-06-14  Richard Biener  <rguenther@suse.de>
860         PR tree-optimization/81083
861         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
862         as values.
864 2017-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
866         Backports from trunk:
868         2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
869         PR middle-end/80692
870         * real.c (do_compare): Give decimal_do_compare preference over
871         comparing just the signs.
873         2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
874         PR target/80618
875         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
876         splitter result in the canonical way.
878         2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
879         PR target/80966
880         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
881         gen_add3_insn did not fail.
882         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
883         r0, construct that number in a temporary reg and add that reg to r0.
884         If asked to put the result in r0 as well, fail.
886         2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
887         PR middle-end/80902
888         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
889         a call, force the call to not be a tail call.
891 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
893         PR sanitizer/81209
894         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
896         PR middle-end/81207
897         * gimple-fold.c (replace_call_with_call_and_fold): Handle
898         gimple_vuse copying separately from gimple_vdef copying.
900 2017-06-24  Jim Wilson  <jim.wilson@linaro.org>
902         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
903         here.
904         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
905         * config/arm/arm-cpu-cdata.h: Regenerate.
906         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
907         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
908         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
909         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
910         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
911         support.
912         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
913         support.
914         * config/arm/t-rmprofile: Likewise.
915         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
917 2017-06-24  Marek Polacek  <polacek@redhat.com>
919         Backport from mainline
920         2017-05-04  Marek Polacek  <polacek@redhat.com>
922         PR tree-optimization/80612
923         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
925 2017-06-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
927         Backport from mainline
928         2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
930         * config/arm/arm-builtins.c (arm_init_builtins): Rename
931         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
932         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
934 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
936         PR c++/81187
937         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
938         -Wnoexcept.
940 2017-06-22  Martin Liska  <mliska@suse.cz>
942         Backport from mainline
943         2017-06-19  Martin Liska  <mliska@suse.cz>
945         PR sanitizer/80879
946         * gimplify.c (gimplify_switch_expr):
947         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
949 2017-06-22  Martin Liska  <mliska@suse.cz>
951         Backport from mainline
952         2017-05-31  Martin Liska  <mliska@suse.cz>
954         PR target/79155
955         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
957 2017-06-22  Martin Liska  <mliska@suse.cz>
959         Backport from mainline
960         2017-05-30  Martin Liska  <mliska@suse.cz>
962         PR other/80909
963         * auto-profile.c (get_function_decl_from_block): Fix
964         parenthesis.
966 2017-06-22  Martin Liska  <mliska@suse.cz>
968         Backport from mainline
969         2017-05-26  Martin Liska  <mliska@suse.cz>
971         PR ipa/80663
972         * params.def: Bound partial-inlining-entry-probability param.
974 2017-06-22  Martin Liska  <mliska@suse.cz>
976         Backport from mainline
977         2017-05-16  Martin Liska  <mliska@suse.cz>
979         PR ipa/79849.
980         PR ipa/79850.
981         * ipa-devirt.c (warn_types_mismatch): Fix typo.
982         (odr_types_equivalent_p): Likewise.
984 2017-06-22  Martin Liska  <mliska@suse.cz>
986         Backport from mainline
987         2017-05-15  Martin Liska  <mliska@suse.cz>
989         PR driver/31468
990         * gcc.c (process_command): Do not allow empty argument of -o option.
992 2017-06-22  Martin Liska  <mliska@suse.cz>
994         Backport from mainline
995         2017-05-02  Martin Liska  <mliska@suse.cz>
997         * doc/gcov.texi: Add missing preposition.
998         * gcov.c (function_info::function_info): Properly fill up
999         all member variables.
1001 2017-06-22  Martin Liska  <mliska@suse.cz>
1003         Backport from mainline
1004         2017-05-02  Martin Liska  <mliska@suse.cz>
1006         PR other/80589
1007         * common.opt: Fix typo.
1008         * doc/invoke.texi: Likewise.
1010 2017-06-22  Martin Liska  <mliska@suse.cz>
1012         Backport from mainline
1013         2017-04-28  Martin Liska  <mliska@suse.cz>
1015         * doc/gcov.texi: Enhance documentation of gcov.
1017 2017-06-22  Martin Liska  <mliska@suse.cz>
1019         Backport from mainline
1020         2017-04-28  Martin Liska  <mliska@suse.cz>
1022         * doc/gcov.texi: Sort options in alphabetic order.
1023         * doc/gcov-dump.texi: Likewise.
1024         * doc/gcov-tool.texi: Likewise.
1025         * gcov.c (print_usage): Likewise.
1026         * gcov-dump.c (print_usage): Likewise.
1027         * gcov-tool.c (print_merge_usage_message): Likewise.
1028         (print_rewrite_usage_message): Likewise.
1029         (print_overlap_usage_message): Likewise.
1031 2017-06-22  Martin Liska  <mliska@suse.cz>
1033         Backport from mainline
1034         2017-04-28  Martin Liska  <mliska@suse.cz>
1036         PR gcov-profile/53915
1037         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
1039 2017-06-22  Martin Liska  <mliska@suse.cz>
1041         Backport from mainline
1042         2017-04-28  Martin Liska  <mliska@suse.cz>
1044         PR driver/56469
1045         * coverage.c (coverage_remove_note_file): New function.
1046         * coverage.h: Declare the function.
1047         * toplev.c (finalize): Clean if an error has been seen.
1049 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
1051         PR target/81151
1052         * config/i386/sse.md (round<mode>2): Renumber match_dup and
1053         operands indexes to avoid gap between operands and match_dups.
1055         PR c++/81130
1056         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
1057         with ctors/dtors if GOVD_SHARED is set.
1059         Backported from mainline
1060         2017-06-20  Jakub Jelinek  <jakub@redhat.com>
1062         PR target/81121
1063         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
1064         splitter): Require TARGET_SSE2 in the condition.
1066         PR sanitizer/81125
1067         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
1068         by removing enum keyword.
1069         (ubsan_type_descriptor): Likewise.  Formatting fix.
1071         2017-06-19  Jakub Jelinek  <jakub@redhat.com>
1073         PR sanitizer/81125
1074         * ubsan.h (enum ubsan_encode_value_phase): New.
1075         (ubsan_encode_value): Change second argument to
1076         enum ubsan_encode_value_phase with default value of
1077         UBSAN_ENCODE_VALUE_GENERIC.
1078         * ubsan.c (ubsan_encode_value): Change second argument to
1079         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
1080         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
1081         create_tmp_var_raw instead of create_tmp_var and use a
1082         TARGET_EXPR.
1083         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
1084         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
1085         ubsan_encode_value callers.
1087         PR sanitizer/81111
1088         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
1089         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
1090         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
1092 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
1094         Backport from Mainline
1095         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
1096         feature string.
1098 2017-06-20  Andreas Schwab  <schwab@suse.de>
1100         PR target/80970
1101         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
1102         instead of "+d".
1104 2017-06-19  James Greenhalgh  <james.greenhalgh@arm.com>
1106         Backport from mainline
1107         2017-06-19  James Greenhalgh  <james.greenhalgh@arm.com>
1109         PR target/71778
1110         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
1111         if given a non-constant argument for an intrinsic which requires a
1112         constant.
1114 2017-06-19  Alexander Monakov  <amonakov@ispras.ru>
1116         * doc/invoke.texi (mcx16): Rewrite.
1118 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
1120         PR rtl-optimization/80474
1121         * reorg.c (update_block): Do not ignore instructions in a delay slot.
1123 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
1125         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
1126         (MASK_FEATURES): New macro.
1127         * config/sparc/sparc.c (sparc_option_override): Remove the special
1128         handling of -mfpu and generalize it to all MASK_FEATURES switches.
1130 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
1132         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
1134 2017-06-12  David S. Miller  <davem@davemloft.net>
1136         PR target/80968
1137         * config/sparc/sparc.md (return expander): Emit frame blockage if
1138         function uses alloca.
1140 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
1142         PR target/81015
1143         Revert:
1144         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
1146         PR target/59874
1147         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
1148         (*clzhi2): Ditto.
1150 2017-06-08  David Edelsohn  <dje.gcc@gmail.com>
1152         Backport from mainline
1153         2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
1155         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
1156         (dl_section_ref): New.
1157         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
1158         On AIX, append an expression to subtract the size of the
1159         section length to dl_section_ref.
1161 2017-06-07  Richard Biener  <rguenther@suse.de>
1163         Backport from mainline
1164         2017-05-02  Richard Biener  <rguenther@suse.de>
1166         PR tree-optimization/80549
1167         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
1168         (cleanup_tree_cfg_noloop): Create forwarders to known loop
1169         headers if they do not have a preheader.
1171         2017-05-26  Richard Biener  <rguenther@suse.de>
1173         PR tree-optimization/80842
1174         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
1175         value.
1177         2017-05-31  Richard Biener  <rguenther@suse.de>
1179         PR tree-optimization/80906
1180         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
1181         and pass through iv_map.
1182         (copy_bb_and_scalar_dependences): Adjust.
1183         (translate_pending_phi_nodes): Likewise.
1184         (copy_loop_close_phi_args): Handle code-generating IVs instead
1185         of ICEing.
1187         2017-05-11  Richard Biener  <rguenther@suse.de>
1189         PR tree-optimization/80705
1190         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
1191         bases are not vectorizable.
1193 2017-06-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1195         Back port from mainline
1196         2017-05-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
1198         PR target/80718
1199         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Prefer
1200         VSX registers over GPRs, particularly on ISA 2.07 which does not
1201         have the MTVSRDD instruction.
1203 2017-06-06  David S. Miller  <davem@davemloft.net>
1205         PR target/80968
1206         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
1207         blockage if function uses alloca.
1209 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
1211         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
1213 2017-06-02  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
1215         Backport from mainline
1216         2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
1217                     Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
1219         PR target/71607
1220         * config/arm/arm.md (use_literal_pool): Remove.
1221         (64-bit immediate split): No longer takes cost into consideration
1222         if arm_disable_literal_pool is enabled.
1223         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
1224         used when arm_disable_literal_pool is enabled.
1225         (arm_max_const_double_inline_cost): Remove use of
1226         arm_disable_literal_pool.
1227         (push_minipool_fix): Add assert.
1228         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
1229         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
1230         (no_literal_pool_sf_immediate): New.
1232 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
1234         PR rtl-optimization/80903
1235         * loop-doloop.c (add_test): Unshare sequence.
1237 2017-05-31  Martin Jambor  <mjambor@suse.cz>
1239         Backport from mainline
1240         2017-04-24  Martin Jambor  <mjambor@suse.cz>
1242         PR tree-optimization/80293
1243         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
1244         char arrays not totally scalarizable if it is false.
1245         (analyze_all_variable_accesses): Pass correct value in the new
1246         parameter.  Add a statistics counter.
1248 2017-05-30  Max Filippov  <jcmvbkbc@gmail.com>
1250         Backport from mainline
1251         2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
1253         * config/xtensa/xtensa.c (xtensa_emit_call): Use
1254         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
1255         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
1256         format string.
1258 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1260         * doc/install.texi (Options specification): Restore entry of
1261         --enable-sjlj-exceptions.
1263 2017-05-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1265         Backport from mainline
1266         2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1268         PR target/80725
1269         * config/s390/s390.c (s390_check_qrst_address): Check incoming
1270         address against address_operand predicate.
1271         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
1273 2017-05-28  Uros Bizjak  <ubizjak@gmail.com>
1275         Backport from mainline
1276         2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
1278         * config/i386/i386.md (*movdi_internal): Remove SSE4
1279         alternative 18 (?r, *v).  Update insn attributes.
1280         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
1281         Update insn attributes.
1282         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
1283         Update insn attributes.
1284         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
1285         alternative 1 (r, v). Remove isa attribute.
1286         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
1287         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
1288         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
1290         2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
1292         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
1293         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
1294         and (?*y,m).  Update insn attributes.
1296 2017-05-26  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
1298         Backported from mainline
1299         2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
1301         * config/sparc/sparc.md (length): Return the correct value for -mflat
1302         sibcalls to match output_sibcall.
1304 2017-05-26  Marek Polacek  <polacek@redhat.com>
1306         Backported from mainline
1307         2017-05-26  Marek Polacek  <polacek@redhat.com>
1309         PR sanitizer/80875
1310         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
1311         can be negated.
1313 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
1315         Backported from mainline
1316         2017-05-22  Jakub Jelinek  <jakub@redhat.com>
1318         PR middle-end/80809
1319         * omp-low.c (finish_taskreg_remap): New function.
1320         (finish_taskreg_scan): If unit size of ctx->record_type
1321         is non-constant, unshare the size expression and replace
1322         decls in it with possible outer var refs.
1324         PR middle-end/80809
1325         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
1326         GOVD_SHARED rather than GOVD_PRIVATE with it.
1327         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
1328         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
1330         PR middle-end/80853
1331         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
1332         as last argument to build_outer_var_ref for pointer bases of array
1333         section reductions.
1335 2017-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1337         Backport from trunk
1338         2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1340         PR target/80510
1341         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
1342         New predicate.
1344         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
1345         (define_peephole2 for Altivec d-form load): Add peepholes to catch
1346         cases where the register allocator uses a move and an offsettable
1347         memory operation to/from a FPR register on ISA 2.06/2.07.
1348         (define_peephole2 for Altivec d-form store): Likewise.
1350         Backport from trunk
1351         2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1353         PR target/68163
1354         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
1355         are now unused after splitting mov{sf,sd}_hardfloat.
1356         (f32_lr2): Likewise.
1357         (f32_lm): Likewise.
1358         (f32_lm2): Likewise.
1359         (f32_li): Likewise.
1360         (f32_li2): Likewise.
1361         (f32_lv): Likewise.
1362         (f32_sr): Likewise.
1363         (f32_sr2): Likewise.
1364         (f32_sm): Likewise.
1365         (f32_sm2): Likewise.
1366         (f32_si): Likewise.
1367         (f32_si2): Likewise.
1368         (f32_sv): Likewise.
1369         (f32_dm): Likewise.
1370         (f32_vsx): Likewise.
1371         (f32_av): Likewise.
1372         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
1373         For movsf, order stores so the VSX stores occur before the GPR
1374         store which encourages the register allocator to use a traditional
1375         FPR instead of a GPR.  For movsd, order the stores so that the GPR
1376         store comes before the VSX stores to allow the power6 to work.
1377         This is due to the power6 not having a 32-bit integer store
1378         instruction from a FPR.
1379         (movsf_hardfloat): Likewise.
1380         (movsd_hardfloat): Likewise.
1382 2017-05-25  Wilco Dijkstra  <wdijkstr@arm.com>
1384         Backport from mainlin
1385         PR rtl-optimization/80754
1386         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
1388 2017-05-25  Wilco Dijkstra  <wdijkstr@arm.com>
1390         Backport from mainline
1391         PR target/80671
1392         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
1393         Move member access before delete.
1395 2017-05-23  Sheldon Lobo  <sheldon.lobo@oracle.com>
1397         Backport from mainline
1398         2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
1400         * config/sparc/sparc.c (sparc_option_override): Set function
1401         alignment for -mcpu=niagara7 to 64 to match the I$ line.
1402         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
1403         latency to 1.
1404         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
1405         latency to 2.
1406         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
1408 2017-05-19  Uros Bizjak  <ubizjak@gmail.com>
1410         Backport from mainline
1411         2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
1413         PR target/80799
1414         * config/i386/mmx.md (*mov<mode>_internal): Enable
1415         alternatives 11, 12, 13 and 14 also for 32bit targets.
1416         Remove alternatives 15, 16, 17 and 18.
1417         * config/i386/sse.md (vec_concatv2di): Change
1418         alternative (!x, *y) to (x, ?!*Yn).
1420 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
1422         Backport from mainline
1423         2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
1425         PR target/80706
1426         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
1427         (UNSPEC_STX_ATOMIC): Ditto.
1428         (loaddi_via_sse): New insn.
1429         (storedi_via_sse): Ditto.
1430         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
1431         Update corresponding peephole2 patterns.
1432         (atomic_storedi_fpu): Ditto.
1434 2017-05-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1436         Backport from mainline
1437         2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1439         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
1440         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
1441         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
1442         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
1443         VF=2 that require versioning.
1445 2017-05-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1447         Backport from mainline
1448         2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1450         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
1451         built-ins for vec_xl and vec_xst with short and char pointer
1452         arguments.
1454 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
1456         PR target/80090
1457         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
1458         handle calling assemble_external ourself.
1460         PR target/79027
1461         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
1462         modes with zero size.  Enhance comment.
1464 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1466         Back port from mainline
1467         2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1469         PR target/79038
1470         PR target/79202
1471         PR target/79203
1472         * config/rs6000/rs6000.md (u code attribute): Add FIX and
1473         UNSIGNED_FIX.
1474         (extendsi<mode>2): Add support for doing sign extension via
1475         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
1476         don't have ISA 3.0 instructions.
1477         (extendsi<mode>2 splitter): Likewise.
1478         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
1479         generate the normal insns since SImode can now go in vector
1480         registers.  Disallow the special UNSPECs needed for previous
1481         machines to hide SImode being used.  Add new insns
1482         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
1483         (fix_trunc<mode>si2_stfiwx): Likewise.
1484         (fix_trunc<mode>si2_internal): Likewise.
1485         (fixuns_trunc<mode>si2): Likewise.
1486         (fixuns_trunc<mode>si2_stfiwx): Likewise.
1487         (fctiw<u>z_<mode>_smallint): Likewise.
1488         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
1489         of floating point to 32-bit integer from doing a direct move to
1490         the GPR registers to do a store.
1491         (fctiwz_<mode>): Break long line.
1493 2017-05-08  Tamar Christina  <tamar.christina@arm.com>
1495         PR middle-end/79665
1496         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
1497         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
1499 2017-05-03  Jan Beulich  <jbeulich@suse.com>
1501         Backport from mainline
1502         2017-05-01  Jan Beulich  <jbeulich@suse.com>
1504         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
1505         swapping, add (x,x,m,x,n) alternative.
1507 2017-05-03  Richard Biener  <rguenther@suse.de>
1509         Backport from mainline
1510         2017-04-20  Richard Biener  <rguenther@suse.de>
1512         PR tree-optimization/80453
1513         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
1514         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
1515         from the conditions.
1516         (vn_phi_eq): Pass them down.
1517         (vn_phi_lookup): Record them.
1518         (vn_phi_insert): Likewise.
1520         2017-04-25  Richard Biener  <rguenther@suse.de>
1522         PR tree-optimization/80492
1523         * alias.c (compare_base_decls): Handle registers with asm
1524         specification conservatively.
1526         2017-04-27  Richard Biener  <rguenther@suse.de>
1528         PR middle-end/80539
1529         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
1530         being in loop-closed SSA form conservatively.
1531         (chrec_fold_multiply_poly_poly): Likewise.
1533 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
1535         Backport from mainline
1536         2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
1538         PR target/68491
1539         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
1540         __get_cpuid_max returns 0.
1541         (__get_cpuid_count): Ditto.
1543 2017-05-02  Jakub Jelinek <jakub@redhat.com>
1545         Backported from mainline
1546         2017-04-25 Jakub Jelinek <jakub@redhat.com>
1548         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
1549         environment.
1551 2017-05-02  Jakub Jelinek  <jakub@redhat.com>
1553         * BASE-VER: Set to 7.1.1.
1555 2017-05-02  Release Manager
1557         * GCC 7.1.0 released.
1559 2017-05-02  Richard Biener  <rguenther@suse.de>
1561         PR tree-optimization/80591
1562         Revert
1563         2017-04-10  Richard Biener  <rguenther@suse.de>
1565         * tree-ssa-structalias.c (find_func_aliases): Properly handle
1566         asm inputs.
1568 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
1570         PR bootstrap/80531
1571         * cgraph.h (symtab_node::debug_symtab): No longer inline.
1572         * symtab.c (symtab_node::debug_symtab): Move definition here.
1574 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
1576         PR target/80530
1577         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
1578         that the logic for permitting reciprocal estimates matches that
1579         in use_rsqrt_p.
1581 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
1583         PR c++/80534
1584         * tree.c (type_cache_hasher::equal): Only compare
1585         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
1586         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
1587         non-aggregate element types.
1588         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
1589         about the flag on ARRAY_TYPEs in the comment, formatting fix.
1591         PR target/79430
1592         * reg-stack.c (emit_swap_insn): If i1src mentions the stack pointer,
1593         punt if tmp contains autoinc of stack pointer.
1595         PR target/77728
1596         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
1597         (aarch64_function_arg_alignment): Return unsigned int again, but still
1598         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
1599         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
1600         Don't emit -Wpsabi note.
1601         (aarch64_function_arg_boundary): Likewise.
1602         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
1603         caller.
1605 2017-04-25  Martin Sebor  <msebor@redhat.com>
1607         PR tree-optimization/80497
1608         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
1609         constants are representable in HOST_WIDE_INT.
1610         (parse_directive): Ditto.
1612 2017-04-25  Marek Polacek  <polacek@redhat.com>
1614         2017-04-25  Marek Polacek  <polacek@redhat.com>
1615         Backport from mainline
1617         PR sanitizer/80349
1618         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
1619         first argument to type.
1621 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1622             Jakub Jelinek  <jakub@redhat.com>
1624         PR target/77728
1625         * config/arm/arm.c: Include gimple.h.
1626         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
1627         returns negative, increment ncrn only if it returned positive.
1628         (arm_needs_doubleword_align): Return int instead of bool,
1629         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
1630         members, but if there is any such non-FIELD_DECL
1631         > PARM_BOUNDARY aligned decl, return -1 instead of false.
1632         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
1633         returns negative, increment nregs only if it returned positive.
1634         (arm_setup_incoming_varargs): Likewise.
1635         (arm_function_arg_boundary): Emit -Wpsabi note if
1636         arm_needs_doubleword_align returns negative, return
1637         DOUBLEWORD_ALIGNMENT only if it returned positive.
1639 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
1641         Backport from mainline
1642         PR target/80482
1643         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
1644         type checks to test for compatibility instead of equality.
1646 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1647             Jakub Jelinek  <jakub@redhat.com>
1649         PR target/77728
1650         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
1651         type.
1652         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
1653         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
1654         the alignment computation, but return their maximum in warn_alignment.
1655         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
1656         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
1657         is smaller.
1658         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
1659         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
1660         caller.
1662 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1664         Backport from mainline
1665         2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1667         PR target/80464
1668         * config/s390/vector.md: Split MEM->GPR vector moves for
1669         non-s_operand addresses.
1671 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1673         Backport from mainline
1674         2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1676         PR target/79895
1677         * config/s390/predicates.md (reload_const_wide_int_operand): New
1678         predicate.
1679         * config/s390/s390.md ("movti"): Remove d/P alternative.
1680         ("movti_bigconst"): New pattern definition.
1682 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1684         Backport from maineline
1685         2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1687         PR target/80080
1688         * s390-protos.h (s390_expand_cs_hqi): Removed.
1689         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
1690         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
1691         modes as well as CCZ1mode and CCZmode.
1692         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
1693         signature of s390_emit_compare_and_swap.
1694         (s390_expand_cs_hqi): Likewise, make static.
1695         (s390_expand_cs_tdsi): Generate an explicit compare before trying
1696         compare-and-swap, in some cases.
1697         (s390_expand_cs): Wrapper function.
1698         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
1699         atomic_exchange.
1700         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
1701         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
1702         patterns for small and large integers.  Forbid symref memory operands.
1703         Move expander to s390.c.  Require cc register.
1704         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
1705         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
1706         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
1707         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
1708         symref memory operands.  Remove CC mode and call s390_match_ccmode
1709         instead.
1710         ("atomic_exchange<mode>"): Allow and implement all integer modes.
1712 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1714         Backport from mainline
1715         2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1717         * config/s390/s390.md (define_peephole2): New peephole to help
1718         combining the load-and-test pattern with volatile memory.
1721 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1723         Backport from mainline
1724         2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1726         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
1727         with CCZmode for TARGET_Z196.
1729 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
1731         PR rtl-optimization/80501
1732         * combine.c (make_compound_operation_int): Set subreg_code to SET
1733         even for AND with mask of the sign bit of mode.
1735         PR rtl-optimization/80500
1736         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
1737         sum's initial value.
1739 2017-04-24  Martin Liska  <mliska@suse.cz>
1741         Backport from mainline
1742         2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
1744         PR middle-end/79931
1745         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
1747 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1749         Backport from mainline
1750         2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
1752         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear
1753         and lastprivate clauses in SIMT case.
1755 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1757         Backport from mainline
1758         2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1760         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
1761         uninitialized variable warning to avoid buffer overrun.
1763 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1765         * DEV-PHASE: Set to prerelease.
1767 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1769         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
1770         priority .init_array and .fini_array section with SECTION_NOTYPE
1771         flag.
1773 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1775         PR middle-end/80423
1776         * tree.h (build_array_type): Add typeless_storage default argument.
1777         * tree.c (type_cache_hasher::equal): Also compare
1778         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
1779         (build_array_type): Add typeless_storage argument, set
1780         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
1781         recursive call.
1782         (build_nonshared_array_type): Adjust build_array_type_1 caller.
1783         (build_array_type): Likewise.  Add typeless_storage argument.
1785 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1786             Jakub Jelinek  <jakub@redhat.com>
1788         PR tree-optimization/80426
1789         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
1790         operation on symbolic operands, also compute the overflow for the
1791         invariant part when the operation degenerates into a negation.
1793 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
1795         PR debug/80461
1796         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
1797         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
1799         PR debug/80436
1800         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
1802 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
1804         PR target/80462
1805         * config/avr/avr.c (tree.h): Include it.
1806         (cgraph.h): Include it.
1807         (avr_encode_section_info): Don't warn for uninitialized progmem
1808         variable if it's just an alias.
1810 2017-04-19  Richard Biener  <rguenther@suse.de>
1812         PR ipa/65972
1813         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
1814         when needed by AutoPGO.
1816 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
1818         PR lto/50345
1819         * doc/lto.texi: Remove an extra 'that'.
1821 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
1823         PR rtl-optimization/80429
1824         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
1825         are only used in debug insns.
1827 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1828             Vladimir Makarov  <vmakarov@redhat.com>
1830         * config/sparc/predicates.md (input_operand): Add comment.  Return
1831         true for any memory operand when LRA is in progress.
1832         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
1834 2017-04-18  Jeff Law  <law@redhat.com>
1836         PR target/74563
1837         * mips.md ({return,simple_return}_internal): Do not overwrite
1838         operands[0].
1840 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1842         PR tree-optimization/80443
1843         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
1844         instead of adding 1, subtract -1 and similarly instead of subtracting
1845         1 add -1.
1847 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
1849         PR rtl-optimization/80357
1850         * haifa-sched.c (tmp_bitmap): New variable.
1851         (model_recompute): Handle duplicate use records.
1852         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
1853         (free_global_sched_pressure_data): Free it.
1855 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1857         Revert:
1858         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1859         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1860         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1861         instead of SYSTEM_HEADER_DIR.
1863 2017-04-18  Jeff Law  <law@redhat.com>
1865         PR middle-end/80422
1866         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
1867         predecessors after walking up the insn chain.
1869 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1871         PR debug/80263
1872         * dwarf2out.c (modified_type_die): Try harder not to emit internal
1873         sizetype type into debug info.
1875 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1877         PR target/80099
1878         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
1879         unneeded test for TARGET_UPPER_REGS_SF.
1880         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
1882 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
1884         PR sanitizer/80444
1885         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
1886         instead of gsi_after_labels.
1888 2017-04-18  Jeff Law  <law@redhat.com>
1890         * regcprop.c (maybe_mode_change): Avoid creating copies of the
1891         stack pointer.
1893         Revert:
1894         2017-04-13  Jeff Law  <law@redhat.com>
1895         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1896         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1898 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
1900         PR target/79453
1901         * config/avr/avr.c (intl.h): Include it.
1902         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
1904 2017-04-18  Martin Liska  <mliska@suse.cz>
1906         PR gcov-profile/78783
1907         * gcov-tool.c (gcov_output_files): Validate that destination
1908         file is either removed by the tool or by a user.
1910 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1911             Guy Benyei  <guybe@mellanox.com>
1913         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
1914         block, and do not negate it, the stored id is already negative.
1916 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
1918         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
1920 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1922         PR target/80098
1923         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
1924         masks of options that should be turned off if the VSX vector
1925         options are turned off.
1926         (OTHER_P8_VECTOR_MASKS): Likewise.
1927         (OTHER_VSX_VECTOR_MASKS): Likewise.
1928         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
1929         rs6000_disable_incompatible_switches to validate no type switches
1930         like -mvsx.
1931         (rs6000_incompatible_switch): New function to disallow turning on
1932         other vector options if -mno-vsx, -mno-power8-vector, or
1933         -mno-power9-vector are specified.
1935 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1937         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
1939 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1941         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
1942         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
1943         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
1944         (ARG_POINTER_CFA_OFFSET): Likewise.
1946 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
1948         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
1949         conditions to take advantage of various optimizations.
1951 2017-04-13  Jeff Law  <law@redhat.com>
1953         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
1954         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
1955         (zero_extendsidi2_dext): Likewise.
1957 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1959         PR sanitizer/80403
1960         * fold-const.c (fold_ternary_loc): Revert
1961         use op0 instead of fold_convert_loc (loc, type, arg0) part of
1962         2017-04-12 change.
1964 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
1966         PR rtl-optimization/80343
1967         * lra-remat.c (update_scratch_ops): Assign original hard reg to
1968         new scratch pseudo.
1970 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
1972         PR sanitizer/80414
1973         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
1974         to ubsan_encode_value.
1976 2017-04-13  Jeff Law  <law@redhat.com>
1978         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
1979         appearing in DEBUG_INSNs.
1981 2017-04-13  Martin Liska  <mliska@suse.cz>
1983         PR gcov-profile/80413
1984         * gcov-io.c (gcov_write_string): Copy to buffer just when
1985         allocated size is greater than zero.
1987 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
1989         PR debug/80321
1990         * dwarf2out.c (decls_for_scope): Ignore declarations of
1991         current_function_decl in BLOCK_NONLOCALIZED_VARS.
1993 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
1995         PR lto/69953 
1996         * ipa-visibility.c (non_local_p): Fix typos.
1997         (localize_node): When localizing symbol in same comdat group,
1998         dissolve the group only when we know external symbols are going
1999         to be privatized.
2000         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
2002 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
2004         PR tree-optimization/79390
2005         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
2006         order does not result in usable sequence, retry with reversed operand
2007         order.
2009         PR sanitizer/80403
2010         PR sanitizer/80404
2011         PR sanitizer/80405
2012         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
2013         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
2014         op0 instead of fold_convert_loc (loc, type, arg0).
2016 2017-04-12  Jeff Law  <law@redhat.com>
2018         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
2019         has a delay slot in the generated code.
2021         * config/cris/cris.md (cris_preferred_reload_class): Return
2022         GENNONACR_REGS rather than GENERAL_REGS.
2024 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
2026         PR c/80163
2027         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
2028         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
2029         signedness of the result type.
2031 2017-04-12  Richard Biener  <rguenther@suse.de>
2032             Jeff Law  <law@redhat.com>
2034         PR tree-optimization/80359
2035         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
2036         trim stores to TARGET_MEM_REFs.
2038 2017-04-12  Richard Biener  <rguenther@suse.de>
2040         PR tree-optimization/79390
2041         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
2042         threading case even more.
2044 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
2046         PR target/80382
2047         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
2048         for quad_address_p for TImode, instead of just not indexed_address.
2050 2017-04-12  Richard Biener  <rguenther@suse.de>
2051             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2053         PR middle-end/79671
2054         * alias.c (component_uses_parent_alias_set_from): Handle
2055         TYPE_TYPELESS_STORAGE.
2056         (get_alias_set): Likewise.
2057         * tree-core.h (tree_type_common): Add typeless_storage flag.
2058         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
2059         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
2060         for types containing members with TYPE_TYPELESS_STORAGE.
2061         (place_field): Likewise.
2062         (layout_type): Likewise for ARRAY_TYPE.
2063         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
2064         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
2065         TYPE_TYPELESS_STORAGE.
2066         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
2068 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
2070         PR sanitizer/80349
2071         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
2072         first argument to type.
2074 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2076         PR target/80376
2077         PR target/80315
2078         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
2079         CONST0_RTX (mode) rather than const0_rtx where appropriate.
2080         (rs6000_expand_binop_builtin): Likewise.
2081         (rs6000_expand_ternop_builtin): Likewise; also add missing
2082         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
2083         vshasigma built-ins.
2084         * doc/extend.texi: Document that vec_xxpermdi's third argument
2085         must be a constant.
2087 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
2089         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
2090         Use shift_const cost parameter when calculating gain of STV shifts.
2092 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
2094         PR rtl-optimization/70478
2095         * lra-constraints.c (process_alt_operands): Check memory for
2096         disfavoring memory insn operand.
2098 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
2100         PR middle-end/80100
2101         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
2102         left shift in unsigned HOST_WIDE_INT type.
2104         PR rtl-optimization/80385
2105         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
2106         (not (neg X)) into (plus X -1) for complex or non-integral modes.
2108         PR libgomp/80394
2109         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
2110         if they have any depend clauses.
2112 2017-04-11  Martin Liska  <mliska@suse.cz>
2114         PR ipa/80212
2115         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
2116         * ipa-split.c (split_function): Create a local comdat symbol
2117         if caller is in a comdat group.
2119 2017-04-11  Martin Liska  <mliska@suse.cz>
2121         PR ipa/80212
2122         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
2123         flags.
2125 2017-04-11  Martin Sebor  <msebor@redhat.com>
2127         PR middle-end/80364
2128         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
2129         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
2130         for INTEGER_TYPE.
2131         (directive::set_width, directive::set_precision, format_character):
2132         Adjust.
2133         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
2134         INTEGER_TYPE.
2136 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
2138         PR target/80389
2139         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
2140         conflict, set target->arch_name instead of target->cpu_name.
2142 2017-04-11  Richard Biener  <rguenther@suse.de>
2144         PR tree-optimization/80374
2145         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
2146         build_zero_cst, remove fold_convertible_p check again.
2148 2017-04-11  Martin Liska  <mliska@suse.cz>
2150         PR sanitizer/70878
2151         * ubsan.c (instrument_object_size): Do not instrument register
2152         variables.
2154 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
2156         PR target/80381
2157         * config/i386/i386-builtin-types.def
2158         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
2159         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
2160         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
2161         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
2162         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
2163         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
2164         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
2165         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
2166         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
2167         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
2168         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
2169         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
2170         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
2171         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
2172         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
2173         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
2174         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
2175         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
2176         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
2177         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
2178         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
2179         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
2180         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
2181         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
2182         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
2183         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
2184         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
2185         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
2186         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
2187         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
2188         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
2189         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
2190         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
2191         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
2192         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
2193         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
2194         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
2195         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
2196         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
2197         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
2198         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
2199         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
2200         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
2201         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
2202         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
2203         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
2204         aliases.
2205         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
2206         flag to second_arg_count, handle 4 argument function type _COUNT
2207         aliases, handle second_arg_count on second argument rather than last.
2209 2017-04-10  Jeff Law  <law@redhat.com>
2211         PR tree-optimization/80374
2212         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
2213         record anything if we can not convert integer_zero_node to the
2214         desired type.
2216 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2218         PR target/80108
2219         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2220         Enhance special handling given to the TARGET_P9_MINMAX option in
2221         relation to certain other options.
2223 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
2225         PR tree-optimization/80153
2226         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
2227         remove POINTER_PLUS_EXPR's base part directly, rather than through
2228         aff_tree.
2230 2017-04-10  Richard Biener  <rguenther@suse.de>
2231             Bin Cheng  <bin.cheng@arm.com>
2233         PR tree-optimization/80153
2234         * tree-affine.c (aff_combination_to_tree): Get base pointer from
2235         the first element of pointer type aff_tree.  Build result expr in
2236         aff_tree's type.
2237         (add_elt_to_tree): Convert to type unconditionally.  Remove other
2238         fold_convert calls.
2239         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
2240         (rewrite_use_nonlinear_expr): Check invariant using iv information.
2242 2017-04-10  Richard Biener  <rguenther@suse.de>
2244         * tree-ssa-structalias.c (find_func_aliases): Properly handle
2245         asm inputs.
2247 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
2249         PR rtl-optimization/70478
2250         * lra-constraints.c (curr_small_class_check): New.
2251         (update_and_check_small_class_inputs): New.
2252         (process_alt_operands): Update curr_small_class_check.  Disfavor
2253         alternative insn memory operands.  Check available regs for small
2254         class operands.
2256 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
2258         PR target/80057
2259         * config/mips/mips.opt (-mvirt): Update description.
2260         * doc/invoke.texi (-mvirt): Likewise.
2262 2017-04-10  Richard Biener  <rguenther@suse.de>
2264         PR middle-end/80362
2265         * fold-const.c (fold_binary_loc): Look at unstripped ops when
2266         looking for NEGATE_EXPR in -A / -B to A / B folding.
2268 2017-04-10  Martin Liska  <mliska@suse.cz>
2270         PR gcov-profile/80224
2271         * gcov.c (print_usage): Fix usage string.
2272         (get_gcov_intermediate_filename): Remove.
2273         (output_gcov_file): Use both for normal and intermediate format.
2274         (generate_results): Do not initialize special file for
2275         intermediate format.
2277 2017-04-10  Richard Biener  <rguenther@suse.de>
2279         PR tree-optimization/80304
2280         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
2281         for safelen.
2283 2017-04-10  Nathan Sidwell  <nathan@acm.org>
2285         PR target/79905
2286         * config/rs6000/rs6000.c (rs6000_vector_type): New.
2287         (rs6000_init_builtins): Use it.
2289 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2291         * config/arm/arm.md (<mrc>): Add mode to SET source.
2292         (<mrrc>): Likewise.
2294 2017-04-10  Richard Biener  <rguenther@suse.de>
2296         PR middle-end/80344
2297         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
2299 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
2301         PR target/80324
2302         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
2303         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
2304         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
2305         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
2306         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
2307         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
2308         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
2309         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
2310         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
2311         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
2312         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
2313         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
2314         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
2315         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
2316         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
2317         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
2318         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
2319         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
2320         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
2321         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
2322         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
2323         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
2324         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
2326 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
2328         PR rtl-optimization/70478
2329         * lra-constraints.c: Reverse the last patch.
2331 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
2333         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
2334         Add comment for WCHAR_T.
2336 2017-04-08  Martin Liska  <mliska@suse.cz>
2338         Revert:
2339         2017-04-07  Martin Liska  <mliska@suse.cz>
2341         PR ipa/80212
2342         * ipa-split.c (split_function): Add function part to a same comdat
2343         group.
2345 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2347         PR target/80358
2348         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
2350 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
2352         * rs6000/rs6000.c (vec_load_pendulum): Rename...
2353         (vec_pairing): ...to this.
2354         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
2355         (rs6000_sched_init): Adjust for name change.
2356         (struct rs6000_sched_context): Likewise.
2357         (rs6000_init_sched_context): Likewise.
2358         (rs6000_set_sched_context): Likewise.
2360 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
2362         PR target/80322
2363         PR target/80323
2364         PR target/80325
2365         PR target/80326
2366         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
2367         intrinsics.
2368         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
2369         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
2370         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
2372 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
2374         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
2376 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
2378         PR rtl-optimization/70703
2379         * ira-color.c (update_conflict_hard_regno_costs): Use
2380         int64_t instead of HOST_WIDE_INT.
2382 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
2384         PR rtl-optimization/70478
2385         * lra-constraints.c (process_alt_operands): Disfavor alternative
2386         insn memory operands.
2388 2017-04-07  Jeff Law  <law@redhat.com>
2390         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
2391         CALL and NOTE_INSN_CALL_ARG_LOCATION.
2393 2017-04-07  Martin Liska  <mliska@suse.cz>
2395         PR target/79889
2396         * config/aarch64/aarch64.c (aarch64_process_target_attr):
2397         Show error message instead of an ICE.
2399 2017-04-07  Martin Liska  <mliska@suse.cz>
2401         PR ipa/80212
2402         * ipa-split.c (split_function): Add function part to a same comdat
2403         group.
2405 2017-04-07  Richard Biener  <rguenther@suse.de>
2407         PR middle-end/80341
2408         * tree.c (get_unwidened): Also handle ! for_type case for
2409         INTEGER_CSTs.
2410         * convert.c (do_narrow): Split out from ...
2411         (convert_to_integer_1): ... here.  Do not pass final truncation
2412         type to get_unwidened for TRUNC_DIV_EXPR.
2414 2017-04-07  Richard Biener  <rguenther@suse.de>
2416         * tree-affine.c (wide_int_ext_for_comb): Take type rather
2417         than aff_tree.
2418         (aff_combination_const): Adjust.
2419         (aff_combination_scale): Likewise.
2420         (aff_combination_add_elt): Likewise.
2421         (aff_combination_add_cst): Likewise.
2422         (aff_combination_convert): Likewise.
2423         (add_elt_to_tree): Likewise.  Remove unused argument.
2424         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
2426 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2428         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
2429         definition.
2430         * config/arm/arm.c (arm_default_short_enums): Use
2431         ARM_DEFAULT_SHORT_ENUMS.
2432         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
2434 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
2436         PR debug/80234
2437         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
2438         members with redundant out-of-class redeclaration.
2440 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
2442         PR target/80286
2443         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
2444         * config/i386/i386.md (*zero_extendsidi2):
2445         Add (?*x,*x) and (?*v,*v) alternatives.
2447 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
2449         PR target/79733
2450         * config/i386/i386.c (ix86_expand_builtin)
2451         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
2452         mode from insn data. Convert operands to insn operand mode.
2453         Copy operands that don't satisfy insn predicate to a register.
2455 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
2457         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
2458         Update comments.
2460 2017-04-06  Richard Biener  <rguenther@suse.de>
2462         PR tree-optimization/80334
2463         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
2464         preserve alignment of accesses.
2466 2017-04-06  Richard Biener  <rguenther@suse.de>
2468         PR tree-optimization/80262
2469         * tree-sra.c (build_ref_for_offset): Preserve address-space
2470         information.
2471         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
2472         Drop useless address-space information on MEM_REF offsets.
2474 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
2476         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
2478 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
2480         PR rtl-optimization/70703
2481         * ira-color.c (update_conflict_hard_regno_costs): Use
2482         HOST_WIDE_INT instead of long.
2484 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
2486         PR target/80298
2487         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
2488         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
2489         is not defined.
2490         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
2491         for x86_64 target.  Handle -m3dnowa option.
2493 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
2495         PR rtl-optimization/70703
2496         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
2497         (update_conflict_hard_regno_costs): Use long instead of unsigned
2498         arithmetic for cost calculation.
2500 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
2501             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2503         PR sanitizer/80308
2504         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
2505         for big endian.
2507 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
2509         PR target/78002
2510         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
2511         ptr_mode with Pmode throughout.
2512         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
2513         into probe_stack_range and use DImode.
2515 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2517         PR target/79890
2518         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
2519         call_eh_return is true.
2521 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2523         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
2524         Initialize last_match_fntype_index.
2526 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
2528         PR target/80310
2529         * tree-nvr.c: Include internal-fn.h.
2530         (pass_return_slot::execute): Ignore internal calls without
2531         direct optab.
2533 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
2534             Richard Biener  <rguenther@suse.de>
2536         PR c++/80297
2537         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
2538         captures used multiple times, except for the last use.
2539         * generic-match-head.c: Include gimplify.h.
2541 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
2543         PR tree-optimization/79390
2544         * target.h (struct noce_if_info): Declare.
2545         * targhooks.h (default_noce_conversion_profitable_p): Declare.
2546         * target.def (noce_conversion_profitable_p): New target hook.
2547         * ifcvt.h (struct noce_if_info): New type, moved from ...
2548         * ifcvt.c (struct noce_if_info): ... here.
2549         (noce_conversion_profitable_p): Renamed to ...
2550         (default_noce_conversion_profitable_p): ... this.  No longer
2551         static nor inline.
2552         (noce_try_store_flag_constants, noce_try_addcc,
2553         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
2554         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
2555         instead of noce_conversion_profitable_p.
2556         * config/i386/i386.c: Include ifcvt.h.
2557         (ix86_option_override_internal): Don't override
2558         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
2559         (ix86_noce_conversion_profitable_p): New function.
2560         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
2561         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
2562         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
2563         * doc/tm.texi: Regenerated.
2565 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2567         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
2568         correction.
2570 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2572         PR target/80307
2573         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
2574         instructions for small multiply cores.
2576 2017-04-04  Jeff Law  <law@redhat.com>
2578         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
2579         added member.
2580         (mips_expand_vec_perm_const): Initialize elements in orig_perm
2581         that are not set by the loop over the elements.
2583 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
2585         PR target/80286
2586         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
2587         int mode, convert_modes it to mode as unsigned, otherwise use
2588         lowpart_subreg to mode rather than SImode.
2589         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
2590         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
2591         Use DImode instead of SImode for the shift count operand.
2592         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
2593         Likewise.
2595 2017-04-04  Richard Biener  <rguenther@suse.de>
2597         PR middle-end/80281
2598         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
2599         arithmetic done for the negate or the plus.  Simplify.
2600         (A - (-B) -> A + B): Likewise.
2601         * fold-const.c (split_tree): Make sure to not negate pointers.
2603 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
2605         PR rtl-optimization/60818
2606         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
2607         a compare of comparisons with the thing compared if this results
2608         in a different machine mode.
2610 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
2612         * alias.c (base_alias_check): Fix typo in comment.
2613         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
2614         * cgraphunit.c (symbol_table::compile): Likewise.
2615         * collect2.c (maybe_run_lto_and_relink): Likewise.
2616         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
2617         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
2618         * config/avr/avr.c (avr_map_op_t): Likewise.
2619         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
2620         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
2621         * config/epiphany/epiphany.md (movcc): Likewise.
2622         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
2623         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
2624         Likewise.
2625         * config/mips/mips.c (mips_save_restore_reg): Likewise.
2626         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
2627         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
2628         * config/sh/sh.c (sh_rtx_costs): Likewise.
2629         * fold-const.c (fold_truth_andor): Likewise.
2630         * genautomata.c (collapse_flag): Likewise.
2631         * gengtype.h (struct type::u::s): Likewise.
2632         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
2633         * input.c (FORMAT_AMOUNT): Likewise.
2634         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
2635         (known_aggs_to_agg_replacement_list): Likewise.
2636         * ipa-inline-analysis.c: Likewise.
2637         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
2638         * ipa-polymorphic-call.c
2639         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
2640         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
2641         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
2642         Likewise.
2643         * modulo-sched.c (apply_reg_moves): Likewise.
2644         * omp-expand.c (build_omp_regions_1): Likewise.
2645         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
2646         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
2647         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
2648         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2649         * value-prof.c: Likewise.
2650         * var-tracking.c (val_reset): Likewise.
2652 2017-04-03  Richard Biener  <rguenther@suse.de>
2654         PR tree-optimization/80275
2655         * fold-const.c (split_address_to_core_and_offset): Handle
2656         POINTER_PLUS_EXPR.
2658 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
2660         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
2661         descriptors is at least equal to that of functions.
2663 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2665         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
2667 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
2669         PR target/80250
2670         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
2671         (mov<IMOD4:mode>): New expander.
2672         (*mov<IMOD4:mode>_internal): New insn and split pattern.
2674 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
2676         PR rtl-optimization/79405
2677         * fwprop.c (propagations_left): New variable.
2678         (forward_propagate_into): Decrement it.
2679         (fwprop_init): Initialize it.
2680         (fw_prop): If the variable has reached zero, stop propagating.
2681         (fwprop_addr): Ditto.
2683 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2685         PR debug/79255
2686         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
2687         a FUNCTION_DECL, pass it as decl instead of origin to
2688         process_scope_var.
2690 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
2692         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
2693         string.
2695 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
2697         PR target/80107
2698         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
2699         TARGET_VSX_SMALL_INTEGER.
2701 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2703         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
2704         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
2706 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
2708         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
2709         extraction from odd-numbered MSA register.
2711 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
2713         PR middle-end/80173
2714         * expmed.c (store_bit_field_1): Don't attempt to create
2715         a word subreg out of hard registers wider than word if they
2716         have HARD_REGNO_NREGS of 1 for their mode.
2718         PR middle-end/80163
2719         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
2720         conversions to integer types wider than word and pointer.
2722         PR debug/80025
2723         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
2724         (rtx_equal_for_cselib_p): Pass 0 to it.
2725         * cselib.c (cselib_hasher::equal): Likewise.
2726         (rtx_equal_for_cselib_1): Add depth argument.  If depth
2727         is 128, don't look up VALUE locs and punt.  Increment
2728         depth in recursive calls when walking VALUE locs.
2730 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2732         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
2733         (make_gcov_file_name): Use the canonical path name for generating
2734         the MD5 value.
2735         (read_line): Fix handling of files with ascii null bytes.
2737 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
2739         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
2740         to initialise a vector register instead
2741         of using a const_int.
2743 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2745         PR translation/80189
2746         * gimplify.c (omp_default_clause): Use %qs instead of %s in
2747         diagnostic messages.
2749 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
2751         PR target/80246
2752         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
2753         (dfp_diex_<mode>): Update mode of operand 1.
2754         * doc/extend.texi (dxex, dxexq): Document change to return type.
2755         (diex, diexq): Document change to argument type.
2757 2017-03-30  Martin Jambor  <mjambor@suse.cz>
2759         PR ipa/77333
2760         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
2761         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
2762         it reflects the signature changes performed at the callee side.
2763         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
2764         to cgraph_build_function_type_skip_args.
2765         (build_function_decl_skip_args): Adjust call to the above function.
2767 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
2769         PR target/80206
2770         * config/i386/sse.md
2771         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
2772         register as dest whenever it is a MEM not rtx_equal_p to the
2773         corresponding dup operand, and when forcing into reg move the
2774         reg into the memory afterwards.
2775         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
2776         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
2777         for the force_reg mode.
2778         (avx512vl_vextractf128<mode>): Use register as dest either
2779         always when a MEM, or when it is a MEM not rtx_equal_p to the
2780         corresponding dup operand, or even not when it is a CONST_VECTOR
2781         depending on the mode and lo vs. hi.
2782         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
2783         parens.
2784         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
2785         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
2786         Likewise.  Require that operands[2] is even.
2787         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
2788         Remove extraneous parens.  Require that operands[2] is a multiple
2789         of 4.
2790         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
2791         operands[0] is a MEM if <mask_applied>, the predicates/constraints
2792         disallow memory then.
2794 2017-03-30  Richard Biener  <rguenther@suse.de>
2796         PR tree-optimization/77498
2797         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
2798         to non-constants over backedges.
2800 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
2802         PR rtl-optimization/80233
2803         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
2804         as last_combined_insn.  Do not test for BARRIER_P separately.
2806 2017-03-29  Andreas Schwab  <schwab@suse.de>
2808         PR ada/80146
2809         * calls.c (prepare_call_address): Convert funexp to Pmode before
2810         copying to temp reg.
2812 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2814         PR tree-optimization/80158
2815         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
2816         Handle possible future case of more than one alternate
2817         interpretation.
2818         (replace_rhs_if_not_dup): Likewise.
2819         (replace_one_candidate): Likewise.
2821 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
2823         PR rtl-optimization/80193
2824         * ira.c (ira): Do not check allocation for LRA.
2826 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
2828         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
2829         (nvptx_output_simt_exit): Declare.
2830         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
2831         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
2832         (init_softstack_frame): Move initialization of crtl->is_leaf to...
2833         (nvptx_declare_function_name): ...here.  Emit declaration of local
2834         memory space buffer for omp_simt_enter insn.
2835         (nvptx_output_unisimt_switch): New.
2836         (nvptx_output_softstack_switch): New.
2837         (nvptx_output_simt_enter): New.
2838         (nvptx_output_simt_exit): New.
2839         * config/nvptx/nvptx.h (struct machine_function): New fields
2840         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
2841         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
2842         (UNSPECV_SIMT_EXIT): Ditto.
2843         (omp_simt_enter_insn): New insn.
2844         (omp_simt_enter): New expansion.
2845         (omp_simt_exit): New insn.
2846         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
2848         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
2849         (expand_GOMP_SIMT_ENTER_ALLOC): New.
2850         (expand_GOMP_SIMT_EXIT): New.
2851         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
2852         (GOMP_SIMT_ENTER_ALLOC): Ditto.
2853         (GOMP_SIMT_EXIT): Ditto.
2854         * target-insns.def (omp_simt_enter): New insn.
2855         (omp_simt_exit): Ditto.
2856         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
2857         simt_dlist.
2858         (lower_rec_simd_input_clauses): Implement SIMT privatization.
2859         (lower_rec_input_clauses): Likewise.
2860         (lower_lastprivate_clauses): Handle SIMT privatization.
2862         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
2863         (ompdevlow_adjust_simt_enter): New.
2864         (find_simtpriv_var_op): New.
2865         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
2866         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
2868         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
2869         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
2870         (copy_decl_for_dup_finish): Ditto.
2872         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
2874 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
2876         PR target/53383
2877         * config/i386/i386.c (ix86_option_override_internal): Always
2878         allow -mpreferred-stack-boundary=3 for 64-bit targets.
2880 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2882         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
2884 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
2886         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
2887         mark new edge's irreducible flag accordign to it.
2888         (vect_do_peeling): Check loop preheader edge's irreducible flag
2889         and pass it to function slpeel_add_loop_guard.
2891 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
2893         PR tree-optimization/80218
2894         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
2895         Update block frequencies and counts.
2897 2017-03-28  Richard Biener  <rguenther@suse.de>
2899         PR tree-optimization/78644
2900         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
2901         of a simplification result we may not use it at all.
2903 2017-03-28  Richard Biener  <rguenther@suse.de>
2905         PR ipa/80205
2906         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
2907         without arguments, generate default definition of a SSA name.
2909 2017-03-28  Richard Biener  <rguenther@suse.de>
2911         PR middle-end/80222
2912         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
2913         TYPE_REF_CAN_ALIAS_ALL references.
2914         * fold-const.c (fold_indirect_ref_1): Likewise.
2916 2017-03-28  Martin Liska  <mliska@suse.cz>
2918         PR ipa/80104
2919         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
2920         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
2922 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2923             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
2925         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
2926         (EXTRA_SPECS): Define.
2927         (SUBTARGET_EXTRA_SPECS): Likewise.
2928         (SUBTARGET_CPP_SPEC): Likewise.
2929         * config/arc/elf.h (EXTRA_SPECS): Renamed to
2930         SUBTARGET_EXTRA_SPECS.
2931         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
2933 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
2935         * config/arc/simdext.md (vst64_insn): Update pattern.
2936         (vld32wh_insn): Likewise.
2937         (vld32wl_insn): Likewise.
2938         (vld64_insn): Likewise.
2939         (vld32_insn): Likewise.
2941 2017-03-28  Marek Polacek  <polacek@redhat.com>
2943         PR sanitizer/80067
2944         * fold-const.c (fold_comparison): Use protected_set_expr_location
2945         instead of SET_EXPR_LOCATION.
2947 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
2949         * tree.c (add_expr): Avoid name lookup warning.
2951 2017-03-27  Jeff Law  <law@redhat.com>
2953         PR tree-optimization/80216
2954         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
2955         function name.  Limit recursion depth.
2956         (record_temporary_equivalences): Corresponding changes.
2958 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
2960         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
2961         covered first.
2963 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
2965         PR target/80102
2966         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
2967         notes.
2968         * cfgcleanup.c (reg_note_cfa_p): New array.
2969         (insns_have_identical_cfa_notes): New function.
2970         (old_insns_match_p): Don't cross-jump in between /f
2971         and non-/f instructions.  If both i1 and i2 are frame related,
2972         verify all CFA notes, their order and content.
2974 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
2976         PR target/78543
2977         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
2978         HImode and SImode with zero extend to DImode to one insn.
2979         (bswap<mode>2_extenddi): Likewise.
2980         (bswapsi2_extenddi): Likewise.
2981         (bswaphi2_extendsi): Likewise.
2982         (bswaphi2): Combine bswap HImode and SImode into one insn.
2983         Separate memory insns from swapping register.
2984         (bswapsi2): Likewise.
2985         (bswap<mode>2): Likewise.
2986         (bswaphi2_internal): Delete, no longer used.
2987         (bswapsi2_internal): Likewise.
2988         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
2989         store, and gpr<-gpr swap insns.
2990         (bswap<mode>2_store): Likewise.
2991         (bswaphi2_reg): Register only splitter, combine with the splitter.
2992         (bswaphi2 splitter): Likewise.
2993         (bswapsi2_reg): Likewise.
2994         (bswapsi2 splitter): Likewise.
2995         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
2996         the insns into load, store, and register/register insns.
2997         (bswapdi2_ldbrx): Likewise.
2998         (bswapdi2_load): Likewise.
2999         (bswapdi2_store): Likewise.
3000         (bswapdi2_reg): Likewise.
3002 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
3004         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
3005         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
3007 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3009         PR target/80103
3010         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
3011         add comments.
3012         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
3013         special handling for target option conflicts between dform
3014         options (-mpower9-dform, -mpower9-dform-vector,
3015         -mpower9-dform-scalar) and -mno-direct-move.
3017 2017-03-27  Richard Biener  <rguenther@suse.de>
3019         PR tree-optimization/80181
3020         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
3022 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
3024         * config/arc/predicates.md (move_double_src_operand): Replace the
3025         call to move_double_src_operand with a call to address_operand.
3027 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
3029         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
3030         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
3031         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
3033 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
3035         * config/arc/predicates.md (long_immediate_loadstore_operand):
3036         Consider scaled addresses cases.
3038 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
3040         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
3041         restored when in interrupt.
3042         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
3043         doesn't have delay slot.
3045 2017-03-27  Richard Biener  <rguenther@suse.de>
3047         PR ipa/79776
3048         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
3049         inlined thunk clones.
3051 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
3053         PR sanitizer/80168
3054         * asan.c (instrument_derefs): Copy over last operand from
3055         original COMPONENT_REF to the new COMPONENT_REF with
3056         DECL_BIT_FIELD_REPRESENTATIVE.
3057         * ubsan.c (instrument_object_size): Likewise.
3059 2017-03-27  Richard Biener  <rguenther@suse.de>
3061         PR tree-optimization/80170
3062         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
3063         sure DR/SCEV didnt fold in constants we do not see when looking
3064         at the reference base alignment.
3066 2017-03-27  Richard Biener  <rguenther@suse.de>
3068         PR middle-end/80171
3069         * gimple-fold.c (fold_ctor_reference): Properly guard against
3070         NULL return value from canonicalize_constructor_val.
3072 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
3074         PR target/80180
3075         * config/i386/i386.c (ix86_expand_builtin)
3076         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
3077         flags reg setting and flags reg using instructions.
3078         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
3079         clobbering instructions to zero extend op2.
3081 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
3083         * doc/install.texi (Configuration) <--with-aix-soname>:
3084         Update link to AIX ld.
3086 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
3088         PR rtl-optimization/80160
3089         PR rtl-optimization/80159
3090         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
3091         reg_alternate_class into account.
3093 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
3095         PR target/80148
3096         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
3097         to consider in curr_insn_transform.
3099 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
3101         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
3102         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
3103         and emit_mode_inner.
3105 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3107         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
3108         argument to the overloaded builtin variants.  Use the new flag to
3109         deprecate certain builtin variants.
3110         * config/s390/s390-builtin-types.def: Add new builtin types.
3111         * config/s390/s390-builtins.h: Support new flags field for
3112         overloaded builtins.
3113         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
3114         (s390_macro_to_expand): Enable vector float data type.
3115         (s390_cpu_cpp_builtins_internal): Indicate support of the new
3116         builtins by incrementing the __VEC__ version number.
3117         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
3118         vec_xst.
3119         (s390_resolve_overloaded_builtin): Emit error messages depending
3120         on the builtin flags.
3121         * config/s390/s390.c (s390_expand_builtin): Support additional
3122         flags argument.  Change error message to match the messages
3123         emitted in s390-c.c.
3124         * config/s390/s390.md: New UNSPEC_* constants.
3125         (op_type): Add new instruction types.
3126         * config/s390/vecintrin.h: Add new builtins and test data class
3127         constants.
3128         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
3129         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
3130         (VEC_INEXACT, VEC_NOINEXACT): New constants.
3131         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
3132         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
3133         ("vec_mergel<mode>"): V_HW -> VEC_HW.
3135         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
3136         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
3137         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
3138         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
3140         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
3141         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
3142         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
3143         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
3145         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
3146         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
3147         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
3148         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
3149         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
3150         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
3151         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
3153         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
3154         ("vec_scatter_element<V_HW_4:mode>_DI")
3155         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
3156         ("vec_fpint<mode>", "vflls")
3157         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
3158         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
3159         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
3160         ("*vec_cmphe<mode>_cc"): ... these.
3162         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
3163         mode constant instead of magic value.
3165 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3167         * config/s390/s390.c (s390_expand_vec_compare): Support other
3168         vector floating point modes than just V2DF.
3169         (s390_expand_vcond): Likewise.
3170         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
3171         (s390_cannot_change_mode_class): Prevent mode changes between TF
3172         and V1TF in vector registers.
3173         * config/s390/s390.md (DF, SF): New mode attributes.
3174         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
3175         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
3176         SFmode support for VRs.
3177         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
3178         vector fp modes.
3179         (VFT, VF_HW): New mode iterators.
3180         (vw, sdx): New mode attributes.
3181         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
3182         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
3183         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
3184         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
3185         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
3186         also the new vector floating point modes.  Renaming to ...
3188         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
3189         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
3190         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
3191         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
3192         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
3193         ("vec_unordered<mode>"): ... these.
3195         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
3196         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
3197         ("*vec_extendv2df"): New insn definitions.
3199 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3201         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
3202         ("mulditi3_2", "*muldi3_sign"): New patterns.
3203         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
3204         rename the pattern definition.
3206 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3208         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
3209         expander.
3210         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
3212 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3214         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
3215         instruction if possible.
3216         * config/s390/vector.md (vec_halfnumelts): New mode
3217         attribute.
3218         ("*vec_vllezlf<mode>"): New pattern.
3220 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3222         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
3223         ("popcountv4si2", "popcountv2di2"): Rename to ...
3224         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
3225         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
3226         condition.
3227         ("popcount<mode>2_vxe"): New pattern.
3229 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3231         * common/config/s390/s390-common.c (processor_flags_table): Add
3232         arch12.
3233         * config.gcc: Add arch12.
3234         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3235         Default to arch12 for unknown CPU model numbers.
3236         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
3237         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
3238         PROCESSOR_max sanity check.
3239         * config/s390/s390-opts.h (enum processor_type): Add
3240         PROCESSOR_ARCH12.
3241         * config/s390/s390.c (processor_table): Add arch12.
3242         (s390_expand_builtin): Add check for B_VXE flag.
3243         (s390_issue_rate): Add PROCESSOR_ARCH12.
3244         (s390_get_sched_attrmask): Likewise.
3245         (s390_get_unit_mask): Likewise.
3246         (s390_sched_score): Enable z13 scheduling for arch12.
3247         (s390_sched_reorder): Likewise.
3248         (s390_sched_variable_issue): Likewise.
3249         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
3250         PF_VXE.
3251         (s390_tune_attr): Use z13 scheduling also for arch12.
3252         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
3253         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
3254         (TARGET_VXE_P): New macros.
3255         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
3256         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
3257         * config/s390/s390.opt: Add arch12 as processor_type.
3259 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3261         * config/s390/s390.md
3262         ("fixuns_truncdddi2", "fixuns_trunctddi2")
3263         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
3264         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
3266         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
3267         Rename expanders to ...
3269         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
3270         ("fixuns_truncdddi2_emu"): ... these.
3272         ("fixuns_trunc<mode>si2_emu"): New expander.
3274         ("*fixuns_truncdfdi2_z13"): Rename to ...
3275         ("*fixuns_truncdfdi2_vx"): ... this.
3277 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3279         * config/s390/2964.md: Remove the single element vector compare
3280         instructions which are no longer used.
3281         * config/s390/s390.c (s390_select_ccmode): Remove handling of
3282         vector CCmodes.
3283         (s390_canonicalize_comparison): Remove handling of DFmode
3284         compares.
3285         (s390_expand_vec_compare_scalar): Remove function.
3286         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
3287         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
3288         pattern.
3289         ("*cmp<mode>_ccs"): Add wfcdb instruction.
3291 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3293         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
3294         FP zero.
3295         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
3296         will anyway by matched by mov<mode>_64dfp.
3298 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3300         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
3301         vlef/vstef.  Add missing operand to vleif.
3303 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3305         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
3306         pair for all vector types with 64 bit elements.
3307         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
3308         * config/s390/vector.md (V_HW_64): ... here.
3309         (V_128_NOSINGLE): New mode iterator.
3310         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
3311         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
3312         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
3313         ("*vec_load_pairv2di"): Change to ...
3314         ("*vec_load_pair<mode>"): ... this one.
3316 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3318         * config/s390/constraints.md: Add comments.
3319         (jKK): Reject element sizes > 8 bytes.
3320         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
3321         s_operands.
3322         * config/s390/s390.md: Add the s_operand checks formerly in
3323         s390_split_ok_p to various splitters where they are still
3324         required.
3325         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
3326         for 128 bit vectors.  Plus two splitters.
3328 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3330         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
3331         the file.
3333 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3335         PR target/79893
3336         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
3337         error if the boundary argument is not constant.
3339 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
3341         PR rtl-optimization/80112
3342         * loop-doloop.c (doloop_condition_get): Don't check condition
3343         if cmp isn't SET with IF_THEN_ELSE src.
3345 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3347         PR tree-optimization/80158
3348         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
3349         replacing a candidate statement, also replace it for the
3350         candidate's alternate interpretation.
3351         (replace_rhs_if_not_dup): Likewise.
3352         (replace_one_candidate): Likewise.
3354 2017-03-24  Richard Biener  <rguenther@suse.de>
3356         PR tree-optimization/80167
3357         * graphite-isl-ast-to-gimple.c
3358         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
3359         properly.
3360         (translate_isl_ast_to_gimple::get_rename): Likewise.
3362 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3364         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
3365         handling of certain combinations of target options, including the
3366         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
3367         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
3369 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3371         PR target/71436
3372         * config/arm/arm.md (*load_multiple): Add reload_completed to
3373         matching condition.
3375 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3376             Richard Biener  <rguenth@suse.de>
3378         PR tree-optimization/79908
3379         PR tree-optimization/80136
3380         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
3381         been cast away, gimplify_and_add suffices.
3383 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
3385         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
3387 2017-03-23  Richard Biener  <rguenther@suse.de>
3389         PR tree-optimization/80032
3390         * gimplify.c (gimple_push_cleanup): Forced unconditional
3391         cleanups still have to go to the conditional_cleanups
3392         sequence.
3394 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
3396         PR tree-optimization/80072
3397         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
3398         to unsigned int.
3399         (next_operand_entry_id): Change type to unsigned int.
3400         (sort_by_operand_rank): Make sure to return the right return value
3401         even if unsigned fields are bigger than INT_MAX.
3402         (struct oecount): Change cnt and id type to unsigned int.
3403         (oecount_hasher::equal): Formatting fix.
3404         (oecount_cmp): Make sure to return the right return value
3405         even if unsigned fields are bigger than INT_MAX.
3406         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
3408         PR c++/80129
3409         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
3410         TREE_READONLY on result if writing it more than once.
3412         PR sanitizer/80110
3413         * doc/invoke.texi (-fsanitize=thread): Document that with
3414         -fnon-call-exceptions atomics are not able to throw
3415         exceptions.
3417         PR sanitizer/80110
3418         * tsan.c: Include tree-eh.h.
3419         (instrument_builtin_call): Call maybe_clean_eh_stmt or
3420         maybe_clean_or_replace_eh_stmt where needed.
3421         (instrument_memory_accesses): Add cfg_changed argument.
3422         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
3423         if it returned true.
3424         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
3426         PR rtl-optimization/63191
3427         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
3428         wrapper function, moved the whole old content into ...
3429         (ix86_delegitimize_address_1): ... this.  New inline function.
3430         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
3431         true as last argument instead of ix86_delegitimize_address.
3433 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
3435         * config/aarch64/aarch64.c (generic_branch_cost): Copy
3436         cortexa57_branch_cost.
3438 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
3440         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
3442 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3444         PR target/80123
3445         * doc/md.texi (Constraints): Document wA constraint.
3446         * config/rs6000/constraints.md (wA): New.
3447         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
3448         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
3449         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
3450         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
3452 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
3454         PR c++/80029
3455         * gimplify.c (is_oacc_declared): New function.
3456         (oacc_default_clause): Use it to set default flags for acc declared
3457         variables inside parallel regions.
3458         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
3459         declared variables.
3460         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
3461         declare attribute to any decl as necessary.
3463 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3465         PR target/80082
3466         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
3467         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
3468         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
3469         (arm_arch_lpae): This.
3470         * config/arm/arm.c (arm_arch7ve): Rename into ...
3471         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
3472         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
3473         arm_arch_lpae.
3475 2017-03-22  Martin Liska  <mliska@suse.cz>
3477         PR target/79906
3478         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
3479         error message instead of an ICE.
3481 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3483         * doc/extend.texi (6.11 Additional Floating Types): Revise.
3485 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3487         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
3488         comments.
3489         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
3490         comments.
3492 2017-03-21  Martin Sebor  <msebor@redhat.com>
3494         * doc/extend.texi: Use "cannot" instead of "can't."
3495         * doc/hostconfig.texi: Same.
3496         * doc/install.texi: Same.
3497         * doc/invoke.texi: Same.
3498         * doc/loop.texi: Same.
3499         * doc/md.texi: Same.
3500         * doc/objc.texi: Same.
3501         * doc/rtl.texi: Same.
3502         * doc/tm.texi: Same.
3503         * doc/tm.texi.in: Same.
3504         * doc/trouble.texi: Same.
3506 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
3508         PR debug/63238
3509         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
3510         (collect_checksum_attributes): Set it.
3511         (die_checksum_ordered): Use it.
3513 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3515         PR tree-optimization/79908
3516         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
3517         change: For a VA_ARG whose LHS has been cast away, use
3518         force_gimple_operand to construct the side effects.
3520 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
3522         PR translation/80001
3523         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
3524         more amenable to translation.
3525         (oacc_loop_auto_partitions): Likewise.
3527 2017-03-21  Marek Polacek  <polacek@redhat.com>
3528             Martin Sebor  <msebor@redhat.com>
3530         PR tree-optimization/80109
3531         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
3532         on INTEGRAL_TYPE_P.
3534 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
3535             Segher Boessenkool  <segher@kernel.crashing.org>
3537         PR target/80125
3538         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
3539         check reg_used_between_p between insn and one of succ or succ2
3540         depending on if succ is artificial insn not inserted into insn
3541         stream.
3543 2017-03-21  Martin Liska  <mliska@suse.cz>
3545         PR gcov-profile/80081
3546         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
3547         * doc/gcc.texi: Include gcov-dump stuff.
3548         * doc/gcov-dump.texi: New file.
3550 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
3552         PR rtl-optimization/79150
3553         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
3554         conditional jump, if the jump is the last insn of the loop.
3556 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3557             Richard Biener  <rguenth@suse.de>
3559         PR tree-optimization/79908
3560         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
3561         been cast away, use force_gimple_operand to construct the side
3562         effects.
3564 2017-03-21  Martin Liska  <mliska@suse.cz>
3566         PR libfortran/79956
3567         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
3568         to NULL.
3570 2017-03-21  Brad Spengler <spender@grsecurity.net>
3572         PR plugins/80094
3573         * plugin.c (htab_hash_plugin): New function.
3574         (add_new_plugin): Use it and adjust.
3575         (parse_plugin_arg_opt): Adjust.
3576         (init_one_plugin): Likewise.
3578 2017-03-21  Richard Biener  <rguenther@suse.de>
3580         PR tree-optimization/80032
3581         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
3582         if set force the cleanup to happen unconditionally.
3583         (gimplify_target_expr): Push inserted clobbers with force_uncond
3584         to avoid them being removed by control-dependent DCE.
3586 2017-03-21  Richard Biener  <rguenther@suse.de>
3588         PR tree-optimization/80122
3589         * tree-inline.c (copy_bb): Do not expans va-arg packs or
3590         va_arg_pack_len when the inlined call stmt requires pack
3591         expansion itself.
3592         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
3594 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
3596         PR sanitizer/78158
3597         * tsan.c (instrument_builtin_call): If the memory model argument
3598         is not a constant, assume it is valid.
3600         PR c/67338
3601         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
3602         avoid UB.
3604 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
3606         PR rtl-optimization/79910
3607         * combine.c (can_combine_p): Do not allow combining an I0 or I1
3608         if its dest is used by an insn before I2 (other than the combined
3609         insns themselves, which are properly handled already).
3611 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
3613         Revert:
3614         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
3616         * combine.c (record_used_regs): New static function.
3617         (try_combine): Handle situations where there is an additional
3618         instruction between I2 and I3 which needs to have a LOG_LINK
3619         updated.
3621         Revert:
3622         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
3624         * combine.c (try_combine): Delete redundant i1 test.  Call
3625         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3627 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3629         PR target/80083
3630         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
3631         alternatives 13/14.
3633 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3635         PR tree-optimization/80054
3636         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
3637         the optimization if a PHI or any of its arguments is not dominated
3638         by the candidate's basis.  Use gphi* rather than gimple* as
3639         appropriate.
3640         (replace_profitable_candidates): Clean up a gimple* variable that
3641         should be a gphi* variable.
3643 2017-03-20  Martin Sebor  <msebor@redhat.com>
3645         PR c++/52477
3646         * doc/extend.texi (attribute constructor): Document present limitation.
3648 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3650         PR target/79963
3651         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
3652         __POWER9_VECTOR__ #ifdef control, change template definition to
3653         use Power9-specific built-in function.
3654         (vec_any_eq): Likewise.
3655         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
3656         to control outcomes from this test.
3657         (vector_ae_<mode>p): For VEC_F modes, likewise.
3659 2017-03-20  Ian Lance Taylor  <iant@google.com>
3661         * config/i386/i386.c (ix86_function_regparm): Save an extra
3662         register for -fsplit-stack with DECL_STATIC_CHAIN.
3664 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3666         PR target/79912
3667         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
3668         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
3670 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
3672         * config/riscv/riscv.c (riscv_print_operand): Use "fence
3673         iorw,ow".
3674         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
3675         iorw,iorw".
3677 2017-03-20  Marek Polacek  <polacek@redhat.com>
3679         PR sanitizer/80063
3680         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
3682 2017-03-20  Richard Biener  <rguenther@suse.de>
3684         PR tree-optimization/80113
3685         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
3686         allocate extra SSA name for PHI def.
3687         (add_close_phis_to_outer_loops): Likewise.
3688         (add_close_phis_to_merge_points): Likewise.
3689         (copy_loop_close_phi_args): Likewise.
3690         (copy_cond_phi_nodes): Likewise.
3692 2017-03-20  Martin Liska  <mliska@suse.cz>
3694         PR middle-end/79753
3695         * tree-chkp.c (chkp_build_returned_bound): Do not build
3696         returned bounds for a LHS that's not a BOUNDED_P type.
3698 2017-03-20  Martin Liska  <mliska@suse.cz>
3700         PR target/79769
3701         PR target/79770
3702         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
3703         COMPLEX_CST and VECTOR_CST.
3705 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3707         PR target/78857
3708         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
3709         target operand.  A new splitter adds the clobber statement in case
3710         the target operand is dead anyway.
3712 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3714         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
3715         to age-old versions of binutils and glibc.
3717 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
3719         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
3721 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3723         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
3725 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
3727         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
3728         requirement for binutils 2.13.
3730 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
3732         * combine.c (try_combine): Delete redundant i1 test.  Call
3733         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
3735 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
3737         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
3738         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
3739         contents.
3740         <riscv64-*-elf>: Re-arrange section
3741         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
3742         <riscv32-*-linux>: Likewise.
3743         <riscv64-*-elf>: Likewise
3744         <riscv64-*-linux>: Likewise.
3746 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
3748         PR target/80052
3749         * aarch64.opt(verbose-cost-dump): Fix typo.
3751 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
3753         PR target/79951
3754         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
3755         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
3757 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
3759         * reload.c (find_reloads): When reloading a nonoffsettable address,
3760         use RELOAD_OTHER for it and its address reloads.
3762         PR rtl-optimization/79910
3763         * combine.c (record_used_regs): New static function.
3764         (try_combine): Handle situations where there is an additional
3765         instruction between I2 and I3 which needs to have a LOG_LINK
3766         updated.
3768 2017-03-17  Jeff Law  <law@redhat.com>
3770         PR tree-optimization/71437
3771         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
3772         conditional in the hash table first.
3773         (vrp_dom_walker::before_dom_children): Extract condition from
3774         ASSERT_EXPR.  Record condition, its inverion and any implied
3775         conditions as well.
3777 2017-03-17  Marek Polacek  <polacek@redhat.com>
3778             Markus Trippelsdorf  <markus@trippelsdorf.de>
3780         PR tree-optimization/80079
3781         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
3782         m_stores_head.
3784 2017-03-17  Richard Biener  <rguenther@suse.de>
3786         PR middle-end/80075
3787         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
3788         Properly verify the LHS before the RHS possibly claims to be
3789         handled.
3790         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
3791         do not throw.
3793 2017-03-17  Martin Jambor  <mjambor@suse.cz>
3795         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
3796         (List of -O2 options): Likewise.
3797         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
3798         (-fipa-vrp) New.
3800 2017-03-17  Tom de Vries  <tom@codesourcery.com>
3802         * gcov-dump.c (print_usage): Print bug_report_url.
3804 2017-03-17  Richard Biener  <rguenther@suse.de>
3806         PR middle-end/80050
3807         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
3808         (parser::peek): Likewise.
3810 2017-03-17  Richard Biener  <rguenther@suse.de>
3812         PR tree-optimization/80048
3813         * sese.c (free_sese_info): Properly release rename_map and
3814         copied_bb_map elements.
3816 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
3818         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
3819         Add linked-list forward and backlinks.  Insert on
3820         construction, remove on destruction.
3821         (class pass_store_merging): Add m_stores_head field.
3822         (pass_store_merging::terminate_and_process_all_chains):
3823         Iterate over m_stores_head list.
3824         (pass_store_merging::terminate_all_aliasing_chains):
3825         Likewise.
3826         (pass_store_merging::execute): Check for debug stmts first.
3827         Push new chains onto the m_stores_head stack.
3829 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
3831         PR target/71294
3832         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
3833         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
3834         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
3836 2017-03-16  Jeff Law  <law@redhat.com>
3838         PR tree-optimization/71437
3839         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
3840         member function.  Implementation moved into after_dom_children
3841         member function and into the threader's thread_outgoing_edges
3842         function.
3843         (dom_opt_dom_walker::after_dom_children): Simplify by moving
3844         some code into new thread_outgoing_edges.
3845         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
3846         definition.  Simplify marker handling (do it here).   Assume we always
3847         have the available expression and the const/copies tables.
3848         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
3849         and tree-vrp.c
3850         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
3851         * tree-vrp.c (equiv_stack): No longer file scoped.
3852         (vrp_dom_walker): New class.
3853         (vrp_dom_walker::before_dom_children): New member function.
3854         (vrp_dom_walker::after_dom_children): Likewise.
3855         (identify_jump_threads):  Setup domwalker.  Use it rather than
3856         walking edges in a random order by hand.  Simplify setup/finalization.
3857         (finalize_jump_threads): Remove.
3858         (vrp_finalize): Do not call identify_jump_threads here.
3859         (execute_vrp): Do it here instead and call thread_through_all_blocks
3860         here too.
3862         PR tree-optimization/71437
3863         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
3864         callers changed.
3865         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
3866         callers changed.
3867         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
3868         (dom_opt_dom_walker::thread_across_edge): Remove
3869         handle_dominating_asserts argument.  All callers changed.
3870         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
3871         changes.  Remove calls to lhs_of_dominating_assert.  Other
3872         uses of handle_dominating_asserts turn into unconditional code
3873         (simplify_control_stmt_condition_1): Likewise.
3874         (simplify_control_stmt_condition): Likewise.
3875         (thread_through_normal_block, thread_across_edge): Likewise.
3876         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
3877         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
3878         object if it is not an SSA_NAME.
3879         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
3880         before calling into the VRP specific simplifiers.
3881         (identify_jump_threads): Remove handle_dominating_asserts
3882         argument.
3884 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
3886         PR fortran/79886
3887         * tree-diagnostic.c (default_tree_printer): No longer static.
3888         * tree-diagnostic.h (default_tree_printer): New prototype.
3890 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
3892         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
3893         Change ins into fmov.
3895 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3897         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
3898         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
3899         Use h_con constraint for operand 1.
3900         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
3901         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
3903 2017-03-15  Jeff Law  <law@redhat.com>
3905         PR tree-optimization/71437
3906         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
3907         (record_temporary_equivalences): Use it.
3909         PR tree-optimization/71437
3910         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
3911         tree-ssa-scopedtables.
3912         (lookup_avail_expr, build_and_record_new_cond): Likewise.
3913         (record_conditions, record_cond, vuse_eq): Likewise.
3914         (record_edge_info): Adjust to API tweak of record_conditions.
3915         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
3916         (record_temporary_equivalences, optimize_stmt): Likewise.
3917         (eliminate_redundant_computations): Likewise.
3918         (record_equivalences_from_stmt): Likewise.
3919         * tree-ssa-scopedtables.c: Include options.h and params.h.
3920         (vuse_eq): New function, moved from tree-ssa-dom.c
3921         (build_and_record_new_cond): Likewise.
3922         (record_conditions): Likewise.  Accept vector of conditions rather
3923         than edge_equivalence structure for first argument.
3924         for the first argument.
3925         (avail_exprs_stack::lookup_avail_expr): New member function, moved
3926         from tree-ssa-dom.c.
3927         (avail_exprs_stack::record_cond): Likewise.
3928         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
3929         from tree-ssa-dom.c.
3930         (avail_exprs_stack): Add new member functions lookup_avail_expr
3931         and record_cond.
3932         (record_conditions): Declare.
3934 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
3936         PR target/80017
3937         * lra-constraints.c (process_alt_operands): Increase reject for
3938         reloading an input/output operand.
3940 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3942         PR target/79038
3943         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
3944         insns to convert from signed/unsigned char/short to IEEE 128-bit
3945         floating point.
3946         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
3948 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
3950         PR target/80019
3951         * config/i386/i386.c (ix86_vector_duplicate_value): Create
3952         subreg of inner mode for values already in registers.
3954 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
3956         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
3957         iteration reg is used after the loop.
3959 2017-03-14  Martin Sebor  <msebor@redhat.com>
3961         PR tree-optimization/79800
3962         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
3963         precision in negative-positive range.
3964         (format_floating): Call non-const overload with adjusted precision.
3966 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3968         PR target/79947
3969         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
3970         -mpowerpc-gfxopt.
3972 2017-03-14  Martin Sebor  <msebor@redhat.com>
3974         PR middle-end/80020
3975         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
3976         * builtins.def (aligned_alloc): Use it.
3978         PR c/79936
3979         * Makefile.in (GTFILES): Add calls.c.
3980         * calls.c: Include "gt-calls.h".
3982 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3984         PR rtl-optimization/79728
3985         * regs.h (struct target_regs): New field
3986         x_contains_allocatable_regs_of_mode.
3987         (contains_allocatable_regs_of_mode): New macro.
3988         * reginfo.c (init_reg_sets_1): Initialize it, and change
3989         contains_reg_of_mode so it includes global regs as well.
3990         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
3991         rather than contains_regs_of_mode.
3993 2017-03-14  Martin Liska  <mliska@suse.cz>
3995         * doc/invoke.texi: Document options that can't be combined with
3996         -fcheck-pointer-bounds.
3998 2017-03-14  Martin Liska  <mliska@suse.cz>
4000         PR middle-end/79831
4001         * doc/invoke.texi (-Wchkp): Document the option.
4003 2017-03-14  Martin Liska  <mliska@suse.cz>
4005         * Makefile.in: Install gcov-dump.
4007 2017-03-14  Martin Liska  <mliska@suse.cz>
4009         * multiple_target.c (expand_target_clones): Bail out for
4010         an invalid attribute.
4012 2017-03-14  Richard Biener  <rguenther@suse.de>
4014         * alias.c (struct alias_set_entry): Pack properly.
4015         * cfgloop.h (struct loop): Likewise.
4016         * cse.c (struct set): Likewise.
4017         * ipa-utils.c (struct searchc_env): Likewise.
4018         * loop-invariant.c (struct invariant): Likewise.
4019         * lra-remat.c (struct cand): Likewise.
4020         * recog.c (struct change_t): Likewise.
4021         * rtl.h (struct address_info): Likewise.
4022         * symbol-summary.h (function_summary): Likewise.
4023         * tree-loop-distribution.c (struct partition): Likewise.
4024         * tree-object-size.c (struct object_size_info): Likewise.
4025         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
4026         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
4027         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
4028         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
4029         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
4030         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
4031         (struct _stmt_vec_info): Likewise.
4033 2017-03-14  Martin Liska  <mliska@suse.cz>
4035         PR target/79892
4036         * multiple_target.c (create_dispatcher_calls): Check that
4037         a target can create a function dispatcher.
4039 2017-03-14  Martin Liska  <mliska@suse.cz>
4041         PR lto/66295
4042         * multiple_target.c (expand_target_clones): Drop local.local
4043         flag for default implementation.
4045 2017-03-14  Richard Biener  <rguenther@suse.de>
4047         PR tree-optimization/80030
4048         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
4050 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
4052         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
4053         gcc_fallthrough() instead of __attribute__((fallthrough));
4055 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
4057         * doc/gcc.texi: Remove "up" link to (DIR).
4058         * doc/gccint.texi: Ditto.
4060 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
4062         * doc/install.texi (Specific) <avr>: Remove reference to
4063         binutils 2.13.
4065 2017-03-13  Jeff Law  <law@redhat.com>
4067         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
4068         attribute rather than comments.
4070         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
4071         match_scratch operand is highest.
4073 2017-03-13  Martin Liska  <mliska@suse.cz>
4075         PR middle-end/78339
4076         * ipa-pure-const.c (warn_function_noreturn): If the declarations
4077         is a CHKP clone, use original declaration.
4079 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
4081         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
4082         (arc_conditional_register_usage): Use a different allocation order
4083         when optimizing for size.
4084         * common/config/arc/arc-common.c (arc_option_optimization_table):
4085         Section anchors default on when optimizing for size.
4087 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
4089         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
4091 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
4093         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
4094         * config/arc/arc.md (cpu_facility): Add cd variant.
4095         (*movqi_insn): Add code density variant.
4096         (*movhi_insn): Likewise.
4097         (*movqi_insn): Likewise.
4098         (*addsi3_mixed): Likewise.
4099         (subsi3_insn): Likewise.
4101 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
4103         * config/arc/arc.md (movsi_cond_exec): Update constraint.
4105 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
4107         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
4108         expressions with MINUS and UNARY ops.
4110 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4112         PR target/79911
4113         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
4114         Rename to...
4115         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
4116         between vec_select and vector argument.
4117         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
4118         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
4119         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
4120         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
4121         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
4122         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
4124 2017-03-13  Richard Biener  <rguenther@suse.de>
4126         PR other/79991
4127         * params.def (vect-max-peeling-for-alignment): Fix typo.
4129 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
4131         * doc/install.texi (Specific) <mips-*-*>: Remove description of
4132         issue that only occurred with binutils below 2.18.
4134 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
4136         * doc/install.texi (Specific) <cris-axis-elf>: No longer
4137         refer to binutils 2.11/2.12 minimum.
4139 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
4141         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
4142         ftp.kernel.org and simplify binutils requirement.
4144 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
4146         * doc/invoke.texi (Warning Options): Fix spelling of link-time
4147         optimization.
4148         (Optimize Options): Ditto.  Also remove redundancy.
4150 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
4152         PR translation/79848
4153         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
4154         "%qs".
4155         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
4156         to G_ to avoid double translation.
4158 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
4160         PR translation/79923
4161         * auto-profile.c (get_combined_location): Convert leading
4162         character of diagnostics to lower case and remove trailing period.
4163         (read_profile): Likewise for various diagnostics.
4164         * config/arm/arm.c (arm_option_override): Remove trailing period
4165         from various diagnostics.
4166         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
4167         (msp430_expand_delay_cycles): Likewise.
4169 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
4171         PR target/79925
4172         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
4173         full command-line argument, rather than just "str".
4174         (aarch64_validate_march): Likewise.
4175         (aarch64_validate_mtune): Likewise.
4177 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
4179         PR rtl-optimization/78911
4180         * lra-assigns.c (must_not_spill_p): New function.
4181         (spill_for): Use it.
4183 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
4185         PR tree-optimization/79981
4186         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
4187         ATOMIC_COMPARE_EXCHANGE ifn result.
4188         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
4189         IFN_ATOMIC_COMPARE_EXCHANGE.
4191 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
4193         PR driver/79875
4194         * opts.c (parse_sanitizer_options): Add missing question mark to
4195         "did you mean" message.
4197 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4199         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
4200         built-in.
4201         (VMULEUH_UNS): Likewise.
4202         (VMULOUB_UNS): Likewise.
4203         (VMULOUH_UNS): Likewise.
4204         * config/rs6000/rs6000.c (builtin_function_type): Remove
4205         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
4207 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
4209         PR bootstrap/79952
4210         * read-rtl-function.c (function_reader::read_rtx_operand): Update
4211         x with result of extra_parsing_for_operand_code_0.
4212         (function_reader::extra_parsing_for_operand_code_0): Convert
4213         return type from void to rtx, returning x.  When reading
4214         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
4215         larger size containing struct block_symbol.
4217 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
4219         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
4220         -mfloat128-hardware without -m64.
4222 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
4224         PR target/79941
4225         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
4226         entries to the case statement that marks unsigned arguments to
4227         overloaded functions.
4229 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4231         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
4232         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
4234 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
4236         PR target/79907
4237         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
4238         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
4240 2017-03-10  Martin Liska  <mliska@suse.cz>
4242         PR target/65705
4243         PR target/69804
4244         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
4245         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
4246         FIELD != NULL.
4248 2017-03-10  Olivier Hainque  <hainque@adacore.com>
4250         * tree-switch-conversion (array_value_type): Start by resetting
4251         candidate type to it's main variant.
4253 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
4255         PR rtl-optimization/79909
4256         * combine.c (try_combine): Use simplify_replace_rtx on individual
4257         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
4258         of the whole CALL_INSN_FUNCTION_USAGE.
4260         PR tree-optimization/79972
4261         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
4262         get_range_info on SSA_NAMEs.  Formatting fixes.
4264 2017-03-10  Richard Biener  <rguenther@suse.de>
4265             Jakub Jelinek  <jakub@redhat.com>
4267         PR tree-optimization/77975
4268         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
4269         edge to be constant.
4270         (get_val_for): For constant x return it.  Formatting fix.
4271         (loop_niter_by_eval): Avoid pointless looping if the next iteration
4272         would use the same bases as the current one.
4274 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4276         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
4277         instead of vec_select for V1TImode.
4278         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
4279         longer needed.
4280         (VSX_LE_128): Add V1TI to this mode iterator.
4281         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
4282         (*vsx_le_perm_store_<mode>): Likewise.
4283         (pre-reload splitter for VSX stores): Likewise.
4284         (post-reload splitter for VSX stores): Likewise.
4285         (*vsx_xxpermdi2_le_<mode>): Likewise.
4286         (*vsx_lxvd2x2_le_<mode>): Likewise.
4287         (*vsx_stxvd2x2_le_<mode>): Likewise.
4289 2017-03-09  Michael Eager  <eager@eagercon.com>
4291         Correct failures with --enable-checking=yes,rtl.
4293         * config/microblaze/microblaze.c (microblaze_expand_shift):
4294         Replace GET_CODE test with CONST_INT_P and INTVAL test with
4295         test for const0_rtx.
4296         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
4297         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
4299 2017-03-09  Richard Biener  <rguenther@suse.de>
4301         PR tree-optimization/79977
4302         * graphite-scop-detection.c (scop_detection::merge_sese):
4303         Handle the case of extra exits to blocks dominating the entry.
4305 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
4307         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
4308         Document rdynamic.
4310 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
4312         PR rtl-optimization/79949
4313         * lra-constraints.c (process_alt_operands): Check memory when
4314         trying to predict a cycle.  Print about the overall increase.
4316 2017-03-09  Richard Biener  <rguenther@suse.de>
4318         PR middle-end/79971
4319         * gimple-expr.c (useless_type_conversion_p): Preserve
4320         TYPE_SATURATING for fixed-point types.
4322 2017-03-09  Richard Biener  <rguenther@suse.de>
4324         PR ipa/79970
4325         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
4326         alignment of BLKmode params.
4328 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4330         PR target/79913
4331         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
4332         (VALL_NO_V2Q): Likewise.
4333         (VDQF_DF): Delete.
4334         * config/aarch64/aarch64-simd.md
4335         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
4336         iterator.
4337         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
4338         VALL_NO_V2Q mode iterator.
4339         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
4341 2017-03-09  Martin Liska  <mliska@suse.cz>
4343         PR tree-optimization/79631
4344         * tree-chkp-opt.c (chkp_is_constant_addr): Call
4345         tree_int_cst_sign_bit just for INTEGER constants.
4347 2017-03-09  Martin Liska  <mliska@suse.cz>
4349         PR target/65705
4350         PR target/69804
4351         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
4352         sanitizers.
4354 2017-03-09  Marek Polacek  <polacek@redhat.com>
4356         PR c++/79672
4357         * tree.c (inchash::add_expr): Handle TREE_VEC.
4359 2017-03-09  Martin Liska  <mliska@suse.cz>
4361         PR ipa/79764
4362         (chkp_narrow_size_and_offset): New function.
4363         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
4364         (void chkp_parse_bit_field_ref): New function.
4365         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
4366         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
4368 2017-03-09  Martin Liska  <mliska@suse.cz>
4370         PR ipa/79761
4371         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
4372         (chkp_find_bounds_1): Remove gcc_unreachable.
4374 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
4376         PR sanitizer/79944
4377         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
4378         BUILT_IN_SYNC*, determine the access type from the size suffix and
4379         always build a MEM_REF with that type.  Handle forgotten
4380         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
4382         PR target/79932
4383         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
4384         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
4385         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
4386         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
4387         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
4388         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
4389         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
4390         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
4391         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
4392         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
4393         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
4394         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
4395         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
4396         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
4397         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
4398         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
4399         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
4400         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
4401         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
4402         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
4403         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
4404         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
4405         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
4406         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
4407         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
4408         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
4409         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
4410         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
4411         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
4412         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
4413         definitions outside of __OPTIMIZE__ guarded section.
4415         PR target/79932
4416         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
4417         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
4418         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
4419         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
4420         guarded section.
4422 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4424         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
4425         ("vfenez<mode>"): Add missing constraints.
4427 2017-03-08  Martin Sebor  <msebor@redhat.com>
4429         PR target/79928
4430         * config/nds32/nds32.c (nds32_option_override):
4431         Fix misspelled diagnostic.
4433 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
4435         PR c/79940
4436         * gimplify.c (gimplify_omp_for): Replace index var in outer
4437         taskloop statement with an artificial variable and add
4438         OMP_CLAUSE_PRIVATE clause for it.
4440 2017-03-08  Richard Biener  <rguenther@suse.de>
4442         PR tree-optimization/79955
4443         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
4444         for accesses that are completely outside of the variable.
4446 2017-03-08  Andrew Haley  <aph@redhat.com>
4448         PR tree-optimization/79943
4449         * tree-ssa-loop-split.c (compute_new_first_bound): When
4450         calculating the new upper bound, (END-BEG) should be added, not
4451         subtracted.
4453 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
4455         * config/avr/avr.md (setmemhi): Make sure match_dup
4456         operand number comes before match_scratch.
4458 2017-03-08  Richard Biener  <rguenther@suse.de>
4460         PR tree-optimization/79920
4461         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
4462         with ncopies == 1 to ...
4463         (vect_transform_slp_perm_load): ... here.  Properly compute
4464         all element loads by iterating VF times over the group.  Do
4465         not handle ncopies (computed in a broken way) in
4466         vect_create_mask_and_perm.
4468 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
4470         PR sanitizer/79904
4471         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
4472         is a uniform vector, use uniform_vector_p return value instead of
4473         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
4475 2017-03-07  Marek Polacek  <polacek@redhat.com>
4477         PR middle-end/79809
4478         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
4479         (alloca_call_type): Likewise.
4481 2017-03-07  Martin Liska  <mliska@suse.cz>
4483         * gcov.c (process_args): Put comment to correct location.
4485 2017-03-07  Martin Liska  <mliska@suse.cz>
4487         PR middle-end/68270
4488         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
4489         Use array_at_struct_end_p instead of DECL_CHAIN (field).
4490         (chkp_narrow_bounds_for_field): Likewise.
4491         (chkp_parse_array_and_component_ref): Pass one more argument to
4492         call.
4494 2017-03-07  Richard Biener  <rguenther@suse.de>
4496         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
4497         preheaders.
4499 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
4501         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
4502         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
4504 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4506         PR c/79855
4507         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
4508         to end of description.
4509         (PARAM_MAX_STORES_TO_MERGE): Likewise.
4511 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
4513         PR rtl-optimization/79901
4514         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
4515         ...
4516         (*avx512f_<code><mode>3<mask_name>): ... this.
4517         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
4518         iterator instead of VI8_AVX2_AVX512BW.
4520         PR rtl-optimization/79901
4521         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
4522         min/max expander, expand it using expand_vec_cond_expr.
4524         PR sanitizer/79897
4525         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
4526         temporary.
4528 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
4530         PR c++/79821
4531         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
4532         to void * for PCH reasons.
4533         * dwarf2out.c (output_loc_operands, output_die): Cast
4534         v.val_vec.array to unsigned char *.
4536 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
4538         PR target/77850
4539         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
4540         vector types.
4542 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
4544         PR rtl-optimization/79571
4545         * lra-constraints.c (process_alt_operands): Calculate static
4546         reject and subtract it from overall when only addresses will be
4547         reloaded.
4549 2017-03-06  Julia Koval  <julia.koval@intel.com>
4551         PR target/79793
4552         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
4553         incoming stack boundary to 128 for 64-bit targets.
4555 2017-03-06  Richard Biener  <rguenther@suse.de>
4557         PR tree-optimization/79894
4558         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
4559         to NULL after folding it.
4561 2017-03-06  Richard Biener  <rguenther@suse.de>
4563         PR tree-optimization/79824
4564         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
4565         check disabling peeling for gaps.
4567 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
4569         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
4570         attributes): Document gettimeofday.
4572 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4574         * config/s390/s390.c (s390_option_override_internal): Set
4575         PARAM_MIN_VECT_LOOP_BOUND
4577 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
4579         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
4580         * config/s390/s390.md: Likewise.
4582 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
4584         PR target/79812
4585         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
4586         (<avx2_avx512>_perm<mode>): Rename to ...
4587         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
4588         of VI8F_256_512.
4589         (<avx512>_perm<mode>_mask): Rename to ...
4590         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
4591         of VI8F_256_512.
4592         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
4593         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
4594         instead of VI8F_256_512.
4595         (avx512f_perm<mode>): New define_expand.
4596         (avx512f_perm<mode>_mask): Likewise.
4597         (avx512f_perm<mode>_1<mask_name>): New define_insn.
4598         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
4600 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4602         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
4603         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
4604         if_then_else.
4605         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
4607 2017-03-06  Martin Liska  <mliska@suse.cz>
4609         PR sanitize/79783
4610         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
4611         when having a SSA NAME w/o VAR_DECL assigned to it.
4613 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4615         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
4616         msa_dpsub_<su>_d): Fix MODE for vec_select.
4618 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
4620         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
4621         argument.
4622         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
4624 2017-03-06  Richard Biener  <rguenther@suse.de>
4626         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
4627         * plugin.c (register_plugin_info): Likewise.
4628         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
4630 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
4632         * config/i386/sse.md (sse_storehps, sse_storelps,
4633         avx_<castmode><avxsizesuffix>_<castmode>,
4634         avx512f_<castmode><avxsizesuffix>_<castmode>,
4635         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
4636         in condition that at least one operand is not a MEM.
4638 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4640         PR middle-end/79805
4641         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
4642         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
4643         ECF_NOTHROW.
4644         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
4645         gimple_call_nothrow_p flag based on whether original builtin can throw.
4646         If it can, emit following stmts on the fallthrough edge.
4647         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
4648         don't create new bb if inserting just debug stmts on the edge, try to
4649         insert them on the fallthru bb or just reset debug stmts.
4651 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
4653         PR target/43763
4654         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
4655         restore recog_data (including the operand rtxes inside it) around
4656         the call to get_insn_template.
4658 2017-03-03  Martin Sebor  <msebor@redhat.com>
4660         PR tree-optimization/79699
4661         * context.c (context::~context): Free MPFR caches to avoid
4662         a memory leak on program exit.
4664 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4666         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
4667         Use wide_int::ulow () instead of .elt (0).
4669 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4671         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
4672         (*pushxf): Limit oF constraint to 32bit targets and add oC
4673         constraint for 64bit targets.
4674         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
4675         (*pushdf): Change rmF constraint to rmC.
4677 2017-03-03  Martin Liska  <mliska@suse.cz>
4679         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
4680         Remove unused variable.
4682 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
4684         PR target/79807
4685         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
4686         is a memory operand, increase num_memory.
4687         (ix86_expand_args_builtin): Likewise.
4689 2017-03-03  Jan Hubicka  <jh@suse.cz>
4691         PR lto/79760
4692         * ipa-devirt.c (maybe_record_node): Properly handle
4693         __cxa_pure_virtual visibility.
4695 2017-03-03  Martin Liska  <mliska@suse.cz>
4697         PR tree-optimization/79803
4698         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
4699         assert.
4700         (pass_loop_prefetch::execute): Disabled optimization if an
4701         assumption about L1 cache size is not met.
4703 2017-03-03  Martin Liska  <mliska@suse.cz>
4705         PR rtl-optimization/79574
4706         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
4707         (hash_scan_set): Likewise.
4708         (dump_hash_table): Likewise.
4709         (hoist_code): Likewise.
4711 2017-03-03  Richard Biener  <rguenther@suse.de>
4713         * fixed-value.c (fixed_from_string): Restore use of elt (1)
4714         in place of uhigh ().
4715         (fixed_convert_from_real): Likewise.
4717 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
4719         PR target/79514
4720         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
4722 2017-03-03  Richard Biener  <rguenther@suse.de>
4724         PR middle-end/79818
4725         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
4726         TYPE_OVERFLOW_UNDEFINED check.
4728 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4730         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
4731         numbers.
4732         (vector_ae_<mode>_p): Likewise.
4733         (vector_nez_<mode>_p): Likewise.
4734         (vector_ne_v2di_p): Likewise.
4735         (vector_ae_v2di_p): Likewise.
4736         (vector_ne_<mode>_p): Likewise.
4737         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
4738         numbers.
4739         (vsx_tsqrt<mode>2_fe): Likewise.
4741 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
4743         PR target/79514
4744         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
4746 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4748         PR rtl-optimization/79780
4749         * cprop.c (one_cprop_pass): When second and further conditional trap
4750         in a single basic block is turned into an unconditional trap, turn it
4751         into a deleted note to avoid RTL verification failures.
4753 2017-03-02  Richard Biener  <rguenther@suse.de>
4755         * fold-const.c (const_binop): Use ulow () instead of elt (0).
4757 2017-03-02  Richard Biener  <rguenther@suse.de>
4759         PR tree-optimization/79345
4760         PR c++/42000
4761         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
4762         param and abort the walk, returning -1 if it is hit.
4763         (walk_aliased_vdefs): Take a limit param and pass it on.
4764         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
4765         defaulting to 0 and return a signed int.
4766         * tree-ssa-uninit.c (struct check_defs_data): New struct.
4767         (check_defs): New helper.
4768         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
4769         about uninitialized memory.
4770         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
4771         bogus uninitialized warning.
4772         (fixed_convert_from_real): Likewise.
4774 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
4776         PR tree-optimization/66768
4777         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
4778         iv_use if base object can't be determined.
4780 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
4782         PR tree-optimization/79345
4783         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
4784         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
4785         (get_pattern_stats): Initialize it.
4786         * genemit.c (gen_expand): Verify match_scratch numbers come after
4787         match_operand/match_dup numbers.
4788         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
4789         match_scratch numbers.
4790         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
4791         Likewise.
4792         * config/s390/s390.md (trunctdsd2): Likewise.
4794 2017-03-02  Richard Biener  <rguenther@suse.de>
4796         * wide-int.h (wide_int_storage::operator=): Implement in terms
4797         of wi::copy.
4799 2017-03-02  Richard Biener  <rguenther@suse.de>
4801         PR tree-optimization/79777
4802         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
4803         the to insert expression to sth existing.
4805 2017-03-01  Martin Sebor  <msebor@redhat.com>
4807         PR middle-end/79692
4808         * gimple-ssa-sprintf.c
4809         (directive::known_width_and_precision): New function.
4810         (format_integer): Use it.
4811         (get_mpfr_format_length): Consider the full range of precision
4812         when computing %g output with the # flag.  Set the likely byte
4813         count to 3 rather than 1 when precision is indeterminate.
4814         (format_floating): Correct the lower bound of precision.
4816 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4818         * doc/invoke.texi: Document default code model for 64-bit Linux.
4820 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4822         PR target/79752
4823         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
4824         udiv rather than div since input pattern is unsigned.
4826 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
4828         * config/i386/i386.c (print_reg): Warn for values of
4829         unsupported size in integer register.
4831 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4833         PR target/79439
4834         * config/rs6000/predicates.md (current_file_function_operand): Do
4835         not allow self calls to be local if the function is replaceable.
4837 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4839         PR target/79395
4840         * config/rs6000/altivec.h (vec_ctz and others): Change the
4841         preprocessor macro that controls conditional compilation from
4842         _ARCH_PWR9 to __POWER9_VECTOR__.
4843         (vec_all_ne): Change parameterization of __altivec_scalar_pred
4844         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
4845         control (instead of _ARCH_PWR9 control) so that template
4846         definition uses power9-specific function.
4847         (vec_any_eq): Likewise.
4848         (vec_all_ne): Change macro definition to use a power9-specific
4849         expansion under #ifdef __POWER9_VECTOR__ control (instead of
4850         _ARCH_PWR9 control).
4851         (vec_any_eq) Likewise.
4852         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
4853         expansion for CMPNEF to remove support for xvcmpnesp instruction.
4854         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
4855         support for xvcmpnedp instruction.
4856         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
4857         macro expansion so that Power9 implementation of vec_all_ne does
4858         not use the AltiVec predicate framework.
4859         (VCMPNEH_P): Likewise.
4860         (VCMPNEW_P): Likewise.
4861         (VCMPNED_P): Likewise.
4862         (VCMPNEFP_P): Likewise.
4863         (VCMPNEDP_P): Likewise.
4864         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
4865         implementation of vec_any_eq to not use AltiVec predicate
4866         framework.
4867         (VCMPAEH_P): Likewise.
4868         (VCMPAEW_P): Likewise.
4869         (VCMPAED_P): Likewise.
4870         (VCMPAEFP_P): Likewise.
4871         (VCMPAEDP_P): Likewise.
4872         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
4873         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
4874         not use the AltiVec predicate framework.
4875         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
4876         of vec_any_eq to not use AltiVec predicate framework.
4877         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
4878         support for predefined __POWER9_VECTOR__ macro to indicate that
4879         Power9 instruction selection is enabled.
4880         (altivec_overloaded_builtins): Remove extraneous
4881         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
4882         function argument types RS6000_BTI_bool_V16QI and
4883         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
4884         entry for overloaded function argument types RS6000_BTI_bool_V4SI
4885         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
4886         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
4887         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
4888         Power9 for implementations of vec_cmpne.  Change the signature for
4889         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
4890         (representing vec_all_ne) to remove the previously described first
4891         argument of type RS6000_BTI_INTSI, as this was an artifact of
4892         reliance on the AltiVec predicate framework, which is no longer
4893         used in the implementation of these functions.  Add
4894         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
4895         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
4896         since, unlike the AltiVec predicate framework implementation, we
4897         do not share function descriptors between vec_alle and vec_anyeq.
4898         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
4899         set of modes that receive special treatment even when
4900         TARGET_P9_VECTOR is true.  The special treatment emits code that
4901         does not depend on Power9 instructions.
4902         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
4903         define_expand to not rely on AltiVec predicate framework.
4904         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4905         function.
4906         (vector_ne_v2di_p): Change this define_expand to not rely on
4907         AltiVec predicate framework.
4908         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
4909         function.
4910         (vector_ne_<mode>_p): Change this define_expand to not rely on
4911         AltiVec predicate framework.
4912         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
4913         function.
4914         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
4915         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
4916         define_insn pattern.
4917         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
4918         define_insn pattern because the xvcmpne<VSs>. instruction is not
4919         supported.
4920         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
4921         instruction is not supported.
4923 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4925         * config/nvptx/nvptx.c: Include intl.h.
4927 2017-03-01  Martin Jambor  <mjambor@suse.cz>
4929         PR lto/78140
4930         * ipa-prop.h (ipa_bits): Removed field known.
4931         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
4932         to pointers.  Adjusted their comments to warn about their sharing.
4933         (ipcp_transformation_summary): Change bits to a vector of pointers.
4934         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
4935         (ipa_get_ipa_bits_for_value): Declare.
4936         * tree-vrp.h (value_range): Mark as GTY((for_user)).
4937         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
4938         (ipa_bits_hash_table): Likewise.
4939         (ipa_vr_ggc_hash_traits): Likewise.
4940         (ipa_vr_hash_table): Likewise.
4941         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
4942         being pointers and vr_known being removed.
4943         (ipa_set_jf_unknown): Likewise.
4944         (ipa_get_ipa_bits_for_value): New function.
4945         (ipa_set_jfunc_bits): Likewise.
4946         (ipa_get_value_range): New overloaded functions.
4947         (ipa_set_jfunc_vr): Likewise.
4948         (ipa_compute_jump_functions_for_edge): Use the above functions to
4949         construct bits and vr parts of jump functions.
4950         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
4951         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4952         exist.
4953         (ipcp_grow_transformations_if_necessary): Also allocate
4954         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
4955         exist.
4956         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
4957         them.  Fix too long lines.
4958         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
4959         vr_known being removed.
4960         (ipa_read_jump_function): Use new setter functions to construct bits
4961         and vr parts of jump functions or set them to NULL.
4962         (write_ipcp_transformation_info): Adjust for bits being pointers.
4963         (read_ipcp_transformation_info): Likewise.
4964         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
4965         space.
4966         Include gt-ipa-prop.h.
4967         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
4968         being pointers.
4969         (ipcp_store_bits_results): Likewise.
4970         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
4971         Do not write to existing jump functions but use a temporary instead.
4973 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4975         PR c++/79681
4976         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
4977         attempt to use its first operand as BIT_FIELD_REF base.
4979 2017-03-01  Richard Biener  <rguenther@suse.de>
4981         PR middle-end/79721
4982         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
4983         interpolating formula in wrapping arithmetic.
4984         (chrec_apply): Convert chrec_evaluate return value to wanted type.
4986 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
4988         PR tree-optimization/79734
4989         * tree-vect-generic.c (expand_vector_condition): Optimize
4990         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
4991         Handle VEC_COND_EXPR where comparison has different inner width from
4992         type's inner width.
4994 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4996         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
4997         markup, and similar issues.  Remove @opindex entries for things
4998         that aren't options.  Add missing -mmpy-option entries.
5000 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
5002         PR tree-optimization/79737
5003         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
5004         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
5005         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
5006         instead of byte_size.  Formatting fix.
5007         (shift_bytes_in_array_right): Formatting fix.
5009 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5011         PR target/79749
5012         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
5013         condition on optimize for the leaf function test.
5015 2017-02-28  Martin Liska  <mliska@suse.cz>
5017         PR lto/79625
5018         * read-rtl-function.c (function_reader::handle_unknown_directive):
5019         Bail out when one uses -flto.
5021 2017-02-28  Martin Liska  <mliska@suse.cz>
5023         * common.opt: Replace space with tabular for options of <number>
5024         type.
5025         * config/i386/i386.opt: Show <number> value for
5026         -mlarge-data-threshold.
5027         * opts.c (print_filtered_help): Do not display number in hexadecimal
5028         format.
5030 2017-02-28  Martin Liska  <mliska@suse.cz>
5032         * common.opt: Fix --help=option -Q for options which are of
5033         an enum type.
5035 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
5037         * config/i386/i386.c (print_reg): Error out for values
5038         of 8-bit size in invalid integer register.
5040 2017-02-28  Martin Sebor  <msebor@redhat.com>
5042         PR tree-optimization/79691
5043         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
5045 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
5047         PR target/79729
5048         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
5049         gcc_unreachable with output_operand_lossage.
5051 2017-02-28  Richard Biener  <rguenther@suse.de>
5053         PR tree-optimization/79740
5054         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
5055         inserts.
5056         (visit_nary_op): Insert the nary into the hashtable if we
5057         pattern-matched sth.
5058         * tree-ssa-pre.c (eliminate_insert): Robustify.
5060 2017-02-28  Richard Biener  <rguenther@suse.de>
5062         PR middle-end/79731
5063         * fold-const.c (decode_field_reference): Reject out-of-bound
5064         accesses.
5066 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
5068         * config/i386/i386.c: Include intl.h.
5069         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
5070         instead of just cond ? "..." : "...".
5071         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
5072         * coverage.c (read_counts_file): Likewise.
5073         * omp-offload.c: Include intl.h.
5074         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
5075         of just cond ? "..." : "...".
5076         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
5077         of just cond ? "..." : "...".
5079 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
5081         PR target/79742
5082         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
5083         entry, if present.
5084         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
5085         'tune for' CPU name.
5086         * config/arm/arm-cpu-data.h: Regenerated.
5088 2017-02-28  Richard Biener  <rguenther@suse.de>
5090         PR tree-optimization/79732
5091         * tree-inline.c (expand_call_inline): Do not shadow var.
5093 2017-02-28  Richard Biener  <rguenther@suse.de>
5095         PR tree-optimization/79723
5096         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
5097         address-space properly.
5099 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
5101         * doc/optinfo.texi (Optimization groups): Fix option used for
5102         OPTGROUP_ALL.
5103         * doc/invoke.texi (-fopt-info): Document "omp".
5104         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
5105         (OPTGROUP_ALL): Add OPTGROUP_OMP.
5106         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
5107         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
5108         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
5110         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
5111         all users.
5112         * dumpfile.c (optgroup_options): Instead of "openmp", associate
5113         OPTGROUP_OMP with "omp".
5115 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
5117         PR target/79544
5118         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
5119         for arithmetic shift of unsigned V2DI.
5121 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
5123         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
5124         arc/linux.h headers.
5125         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
5126         (LINK_SPEC): Likewise.
5127         (ARC_TLS_EXTRA_START_SPEC): Likewise.
5128         (EXTRA_SPECS): Likewise.
5129         (STARTFILE_SPEC): Likewise.
5130         (ENDFILE_SPEC): Likewise.
5131         (LIB_SPEC): Likewise.
5132         (TARGET_SDATA_DEFAULT): Likewise.
5133         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
5134         (MULTILIB_DEFAULTS): Likewise.
5135         (DWARF2_UNWIND_INFO): Likewise.
5136         * config/arc/big.h: New file.
5137         * config/arc/elf.h: Likewise.
5138         * config/arc/linux.h: Likewise.
5139         * config/arc/t-uClibc: Remove.
5141 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
5143         PR tree-optimization/77536
5144         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
5145         (tree_transform_and_unroll_loop): Use above function to compute the
5146         estimated niter of unrolled loop and use it when scaling profile.
5147         Also use count info rather than frequency if it's non-zero.
5148         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
5149         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
5150         (vect_transform_loop): Call above function.
5152 2017-02-27  Richard Biener  <rguenther@suse.de>
5154         PR tree-optimization/45397
5155         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
5156         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
5157         (visit_nary_op): Add pattern matching for CSEing sign-changed
5158         or truncated operations with wider ones.
5160 2017-02-27  Richard Biener  <rguenther@suse.de>
5162         PR tree-optimization/79690
5163         * tree-vect-stmts.c (vectorizable_store): Use vector type
5164         built from the DR with address-space.
5166 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
5168         * doc/invoke.texi (Optimize Options): Refine the description
5169         of asan-use-after-return.
5171 2017-02-25  Alan Modra  <amodra@gmail.com>
5173         PR rtl-optimization/79584
5174         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
5175         base, not ad->base_term, the reg within base.  Remove assertion
5176         that ad->base == ad->base_term.  Replace gen_int_mode using
5177         bogus mode with const0_rtx.
5179 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
5181         PR middle-end/79396
5182         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
5183         FMA_EXPR like tcc_binary or tcc_unary.
5185         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
5187         PR debug/77589
5188         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
5189         bitfield.
5190         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
5191         (output_loc_operands): Handle DW_OP_call_ref and
5192         DW_OP_GNU_variable_value.
5193         (struct variable_value_struct): New type.
5194         (struct variable_value_hasher): Likewise.
5195         (variable_value_hash): New variable.
5196         (string_types): Remove.
5197         (copy_loc_descr): New function.
5198         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
5199         (prepend_loc_descr_to_each): New function.
5200         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
5201         instead of add_loc_descr_to_each if the first argument is single
5202         location list and the second has multiple.
5203         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
5204         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
5205         when looking for variable value which doesn't have other location info.
5206         (loc_list_from_tree): Formatting fix.
5207         (gen_array_type_die): Simplify DW_AT_string_length handling.
5208         (adjust_string_types): Remove.
5209         (gen_subprogram_die): Don't call adjust_string_types nor test/set
5210         string_types.  Call resolve_variable_values.
5211         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
5212         (resolve_addr_in_expr): Likewise.  Add A argument.
5213         (copy_deref_exprloc): Remove deref argument.  Adjust for the
5214         original expression being DW_OP_GNU_variable_value with optionally
5215         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
5216         optionally after it.
5217         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
5218         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
5219         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
5220         (variable_value_hasher::hash, variable_value_hasher::equal): New
5221         methods.
5222         (resolve_variable_value_in_expr, resolve_variable_value,
5223         resolve_variable_values, note_variable_value_in_expr,
5224         note_variable_value): New functions.
5225         (dwarf2out_early_finish): Call note_variable_value on all toplevel
5226         DIEs.
5228 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
5230         PR c/79677
5231         * opts.h (handle_generated_option): Add GENERATED_P argument.
5232         * opts-common.c (handle_option): Adjust function comment.
5233         (handle_generated_option): Add GENERATED_P argument, pass it to
5234         handle_option.
5235         (control_warning_option): Pass false to handle_generated_option
5236         GENERATED_P.
5237         * opts.c (maybe_default_option): Pass true to handle_generated_option
5238         GENERATED_P.
5239         * optc-gen.awk: Likewise.
5241 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5243         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
5244         a REG, look at the REG it is a SUBREG of.
5245         (splitter for cmpeqsi_t): Ditto.
5247 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5249         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
5250         the special USEs with the pattern of the insn, not the insn itself.
5252 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
5254         PR target/79473
5255         * doc/invoke.texi: Document -mload-store-pairs.
5257 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5258             Sandra Loosemore  <sandra@codesourcery.com>
5260         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
5261         argument isn't a CONST_INT.
5262         (nios2_alternate_compare_const): Assert op is a CONST_INT.
5263         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
5264         (nios2_validate_compare): Bypass alternate compare logic if *op2
5265         is not a CONST_INT.
5266         (ldstwm_operation_p): Return false if first_base is not a REG or
5267         if first_offset is not a CONST_INT.
5269 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5271         * config/cris/cris.md: Use correct operand in a define_peephole2.
5273 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5275         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
5277 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
5279         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
5280         this_insn if it is an INSN or JUMP_INSN.
5281         (force_offsettable): Look at base, not at addr.
5282         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
5283         on things that aren't necessarily CONST_INTs.
5285 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
5287         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
5288         -mfpmath=sse is the default also for x86-32 targets with SSE2
5289         instruction set when @option{-ffast-math} is enabled
5291 2017-02-24  Jeff Law  <law@redhat.com>
5293         PR rtl-optimizatoin/79286
5294         * ira.c (update_equiv_regs): Drop may_trap_p exception to
5295         dominance test.
5297 2017-02-24  Richard Biener  <rguenther@suse.de>
5299         PR tree-optimization/79389
5300         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
5301         debug insns.
5303 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
5305         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
5306         function comment to reflect reality.
5307         (loop_exits_before_overflow): Fix typo in function description.
5309 2017-02-24  Richard Biener  <rguenther@suse.de>
5311         PR tree-optimization/79389
5312         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
5313         properly that a threading opportunity exists.  Detect conditional
5314         copy/constant propagation opportunities.
5316 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
5318         * config/visium/visium.md (type): Add trap.
5319         (b): New mode attribute.
5320         (*btst): Rename into...
5321         (*btst<mode>): ...this and adjust.
5322         (*cbranchsi4_btst_insn): Rename into...
5323         (*cbranch<mode>4_btst_insn): ...this and adjust.
5324         (trap): New define_insn.
5326 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
5328         PR tree-optimization/79389
5329         * ifcvt.c (struct noce_if_info): Add rev_cond field.
5330         (noce_reversed_cond_code): New function.
5331         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
5332         reversed_comparison_code.  Formatting fix.
5333         (noce_try_store_flag): Test rev_cond != NULL in addition to
5334         reversed_comparison_code.
5335         (noce_try_store_flag_constants): Likewise.
5336         (noce_try_store_flag_mask): Likewise.
5337         (noce_try_addcc): Use rev_cond if non-NULL instead of
5338         reversed_comparison_code.
5339         (noce_try_cmove_arith): Likewise.  Formatting fixes.
5340         (noce_try_minmax, noce_try_abs): Clear rev_cond.
5341         (noce_find_if_block): Initialize rev_cond.
5342         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
5343         instead of false as last argument never attempt to reverse it
5344         afterwards.
5346 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
5348         PR tree-optimization/79663
5349         * tree-predcom.c (combine_chains): Process refs in reverse order
5350         only for ZERO length chains, and add explaining comment.
5352 2017-02-23  Jeff Law  <law@redhat.com>
5354         PR tree-optimization/79578
5355         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
5356         in call to operand_equal_p.
5358 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
5360         PR target/71017
5361         * config/i386/cpuid.h: Fix another undefined behavior.
5363 2017-02-23  Richard Biener  <rguenther@suse.de>
5365         PR tree-optimization/79683
5366         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
5367         vector types for data-refs.
5369 2017-02-23  Martin Liska  <mliska@suse.cz>
5371         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
5373 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
5375         PR middle-end/79665
5376         * internal-fn.c (get_range_pos_neg): Moved to ...
5377         * tree.c (get_range_pos_neg): ... here.  No longer static.
5378         * tree.h (get_range_pos_neg): New prototype.
5379         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
5380         are known to be in between 0 and signed maximum inclusive, try to
5381         expand both unsigned and signed divmod and use the cheaper one from
5382         those.
5384 2017-02-22  Jeff Law  <law@redhat.com>
5386         PR tree-optimization/79578
5387         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
5388         to compare base operands.
5390 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
5392         PR target/79211
5393         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
5394         gpc_reg_operand instead of fpr_reg_operand.
5396 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
5398         * config/mips/mips.c (mips_return_in_memory): Force FP
5399         vector types to be returned in memory for o32 ABI.
5401 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
5403         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
5404         instead of DW_TAG_member for static data member declarations and don't
5405         set no_linkage_name for static inline data members.
5406         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
5407         to DW_TAG_member.
5409 2017-02-22  Martin Liska  <mliska@suse.cz>
5411         * doc/invoke.texi: Replace inequality signs with square brackets
5412         for -Wnormalized.
5414 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5416         PR tree-optimization/68644
5417         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
5419 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
5421         PR target/78660
5422         * lra-constraints.c (simplify_operand_subreg): Handle
5423         WORD_REGISTER_OPERATIONS targets.
5425 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
5427         PR target/70465
5428         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
5429         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
5430         elimination by swapping fld*.
5432 2017-02-22  Richard Biener  <rguenther@suse.de>
5434         PR tree-optimization/79673
5435         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
5436         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
5437         irrelevant address-space qualifiers and avoiding a
5438         ADDR_SPACE_CONVERT_EXPR from fold_convert.
5440 2017-02-22  Richard Biener  <rguenther@suse.de>
5442         PR tree-optimization/79666
5443         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
5444         to not symbolically negate if that may introduce undefined
5445         overflow.
5447 2017-02-22  Martin Liska  <mliska@suse.cz>
5449         PR lto/79587
5450         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
5451         * data-streamer-out.c (streamer_write_gcov_count_stream):
5452         Likewise.
5453         * value-prof.c (stream_out_histogram_value): Make assert more
5454         precise based on type of counter.
5456 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
5458         PR target/79593
5459         * config/i386/i386.md (standard_x87sse_constant_load splitter):
5460         Use nonimmediate_operand instead of memory_operand for operand 1.
5461         (float-extend standard_x87sse_constant_load splitter): Ditto.
5463 2017-02-21 Jeff Law  <law@redhat.com>
5465         PR tree-optimization/79621
5466         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
5467         blocks with edges to themselves.
5469 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
5471         PR target/79633
5472         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
5473         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
5474         Use gimple_call_builtin_p.
5476         PR target/79570
5477         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
5478         on temporarily removed DEBUG_INSNs.
5480         PR tree-optimization/79649
5481         * tree-loop-distribution.c (classify_partition): Give up on
5482         non-generic address space loads/stores.
5484 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
5486         * doc/loop.texi (Loop manipulation): Remove nonexistent
5487         tree_ssa_loop_version from the documentation.
5488         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
5490 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
5492         PR target/79494
5493         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
5494         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
5495         * config/rs6000/rs6000.c: Include except.h.
5496         (rs6000_expand_split_stack_prologue): Call
5497         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
5499 2017-02-21  Martin Jambor  <mjambor@suse.cz>
5501         PR lto/79579
5502         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
5503         have been analyzed.
5505 2017-02-21  Martin Jambor  <mjambor@suse.cz>
5507         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
5508         for backward compatibility only.
5509         * doc/invoke.texi (Option Summary): Remove all references to
5510         -fipa-cp-alignment.
5512 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
5514         PR target/78660
5515         Revert:
5516         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5518         * lra-constraints.c (curr_insn_transform): Handle
5519         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
5521 2017-02-21  Martin Liska  <mliska@suse.cz>
5523         * config/i386/i386.opt: Replace -masm-dialect with -masm.
5525 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
5527         PR translation/79638
5528         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
5530 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
5532         PR ada/67205
5533         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
5534         (arm_function_ok_for_sibcall): Return false for an indirect call by
5535         descriptor if all the argument registers are used.
5536         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
5537         alignment of the function.
5539 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
5541         PR tree-optimization/61441
5542         * simplify-rtx.c (simplify_const_unary_operation): For
5543         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
5544         the sNaN unmodified.
5546 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5548         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
5549         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
5550         instead of SYSTEM_HEADER_DIR.
5552 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
5553             Martin LiÅ¡ka  <mliska@suse.cz>
5555         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
5556         Fix typos and grammar, use active voice, and clarify.
5558 2017-02-20  Marek Polacek  <polacek@redhat.com>
5560         PR middle-end/79537
5561         * gimplify.c (gimplify_expr): Handle unused *&&L;.
5563         PR sanitizer/79558
5564         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
5566 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
5568         PR target/79568
5569         * config/i386/i386.c (ix86_expand_builtin): Handle
5570         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
5571         ix86_builtins_isa[fcode].isa as a requirement of those
5572         flags and any other flag in the bitmask.
5573         (ix86_init_mmx_sse_builtins): Use 0 instead of
5574         ~OPTION_MASK_ISA_64BIT as mask.
5575         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
5576         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
5577         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
5578         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
5580 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5582         PR target/78012
5583         * lra-constraints.c (split_reg): Check requested split mode
5584         is supported by the register.
5586 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5588         * lra-constraints.c (simplify_operand_subreg): Remove early
5589         return false.
5591 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5593         PR target/78660
5594         * lra-constraints.c (curr_insn_transform): Tighten condition
5595         for converting SUBREG reloads from OP_OUT to OP_INOUT.
5597 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
5599         PR target/78660
5600         * lra-constraints.c (curr_insn_transform): Handle
5601         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
5603 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
5605         Revert:
5606         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
5608         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
5610 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
5612         PR c++/69523
5613         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
5614         description.
5616 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5618         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
5619         for FMA_EXPR.
5621 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
5623         * final.c (last_columnnum, override_columnnum): New variables.
5624         (final_start_function): Set last_columnnum, pass it to begin_prologue
5625         hook and pass 0 to dwarf2out_begin_prologue.
5626         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
5627         to source_line debug hook.
5628         (notice_source_line): Compute last_columnnum and for debug_column_info
5629         return true on column changes.
5630         * debug.h (struct gcc_debug_hooks): Add column argument to
5631         source_line and begin_prologue hooks.
5632         (debug_nothing_int_charstar_int_bool): Remove prototype.
5633         (debug_nothing_int_int_charstar,
5634         debug_nothing_int_int_charstar_int_bool): New prototypes.
5635         (dwarf2out_begin_prologue): Add column argument.
5636         * debug.c (do_nothing_debug_hooks): Adjust source_line and
5637         begin_prologue hooks.
5638         (debug_nothing_int_charstar_int_bool): Remove.
5639         (debug_nothing_int_int_charstar,
5640         debug_nothing_int_int_charstar_int_bool): New functions.
5641         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
5642         through to dwarf2out_source_line.
5643         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
5644         (dwarf2out_source_line): Add column argument, emit it if requested.
5645         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
5646         arguments.
5647         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5648         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
5649         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
5650         through to dwarf2out_begin_prologue.
5651         (vmsdbgout_source_line): Add column argument, pass it through to
5652         dwarf2out_source_line.
5653         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
5654         dbxout_source_line caller.
5655         (dbxout_source_line): Add column argument.
5657         * common.opt (gno-column-info, gcolumn-info): New options.
5658         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
5659         (check_die): Also test for multiple DW_AT_decl_column attributes.
5660         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
5661         DW_AT_decl_column if requested.
5662         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
5663         if requested.
5664         (gen_variable_die): Likewise.
5665         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
5666         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
5668         PR target/79569
5669         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
5670         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
5671         (ix86_handle_option): Handle OPT_m3dnowa.
5672         * doc/invoke.texi (-m3dnowa): Document.
5673         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
5674         -m3dnowa instead of -m3dnow -march=athlon.
5676         PR target/79559
5677         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
5678         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
5680 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5682         PR target/79261
5683         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
5684         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
5685         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
5686         generator for vsx_xxpermdi_<mode>_be.
5687         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
5688         force big-endian semantics.
5689         (vsx_xxpermdi_<mode>_be): New define_expand with same
5690         implementation as previous version of vsx_xxpermdi_<mode>.
5692 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
5694         PR tree-optimization/79327
5695         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
5696         variable, its initialization and use.
5698 2017-02-17  Julia Koval  <julia.koval@intel.com>
5700         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
5701         (OPTION_MASK_ISA_PKU_UNSET): New.
5702         (ix86_handle_option): Handle -mrdpid.
5703         * config/i386/cpuid.h (bit_RDPID): New.
5704         * config/i386/driver-i386.c (host_detect_local_cpu):
5705         Detect RDPID feature.
5706         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
5707         * config/i386/i386-c.c (ix86_target_macros_internal):
5708         Handle RDPID flag.
5709         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
5710         (ix86_valid_target_attribute_inner_p): Add "rdpid".
5711         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
5712         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
5713         * config/i386/i386.md (define_insn "rdpid"): New.
5714         * config/i386/i386.opt Add -mrdpid.
5715         * config/i386/immintrin.h (_rdpid_u32): New.
5717 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
5719         PR rtl-optimization/79541
5720         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
5721         instead of transforming it into USE.
5723 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
5725         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
5726         If HONOR_SNANS (SFmode) force the input to a register.
5727         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
5728         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
5729         an frsp or similar insn.
5731 2017-02-17  Martin Liska  <mliska@suse.cz>
5733         PR rtl-optimization/79577
5734         * params.def (selsched-max-sched-times): Increase minimum to 1.
5736 2017-02-17  Martin Liska  <mliska@suse.cz>
5738         PR rtl-optimization/79574
5739         * gcse.c (want_to_gcse_p): Prevent integer overflow.
5741 2017-02-17  Martin Liska  <mliska@suse.cz>
5743         PR tree-optimization/79529
5744         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
5745         ssa_defined_default_def_p to handle cases which are implicitly
5746         defined.
5747         * tree-ssa.c (ssa_defined_default_def_p): New function.
5748         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
5749         which are implicitly defined.
5750         * tree-ssa.h (ssa_defined_default_def_p): Declare.
5752 2017-02-17  Richard Biener  <rguenther@suse.de>
5754         PR middle-end/79576
5755         * params.def (max-ssa-name-query-depth): Limit to 10.
5757 2017-02-17  Richard Biener  <rguenther@suse.de>
5759         PR tree-optimization/79552
5760         * tree-ssa-structalias.c (visit_loadstore): Properly verify
5761         default defs.
5763 2017-02-17  Richard Biener  <rguenther@suse.de>
5765         PR bootstrap/79567
5766         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
5768 2017-02-17  Marek Polacek  <polacek@redhat.com>
5770         PR middle-end/79536
5771         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
5772         (fold_negate_expr): New wrapper.
5774 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
5776         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
5777         Correct terminology and de-emphasize pre-standard behavior.
5779 2017-02-16  Alan Modra  <amodra@gmail.com>
5781         PR rtl-optimization/79286
5782         * ira.c (def_dominates_uses): New function.
5783         (update_equiv_regs): Don't create an equivalence for insns that
5784         may trap where the register def does not dominate the use.
5786 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
5788         PR rtl-optimization/78127
5789         * lra.c (lra): Call lra_eliminate before finish the loop after
5790         lra_constraint.
5792 2017-02-16  Richard Biener  <rguenther@suse.de>
5794         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
5795         isl/isl_val.h.
5796         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
5797         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
5798         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
5799         (isl_val_int_from_wi): New function.
5800         (extract_affine_gmp): Rename to ...
5801         (extract_affine_wi): ... this, take a widest_int.
5802         (extract_affine_int): Just wrap extract_affine_wi.
5803         (add_param_constraints): Use isl_val_int_from_wi.
5804         (add_loop_constraints): Likewise, and extract_affine_wi.
5806 2017-02-15 Jeff Law  <law@redhat.com>
5808         PR middle-end/79521
5809         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
5810         ira_init_register_move_cost_if_necessary.
5812 2017-02-15  Martin Sebor  <msebor@redhat.com>
5814         PR middle-end/32003
5815         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
5816         removed in a prior commit.
5818 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
5820         PR tree-optimization/79347
5821         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
5822         counters during peeling.
5824 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
5826         * Makefile.in (site.exp): Remove "set ISLVER".
5828 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
5830         PR target/79487
5831         * real.c (real_from_integer): Call real_convert even for decimal.
5833 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5835         PR target/79421
5836         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
5838 2017-02-14  Andrew Pinski  <apinski@cavium.com>
5840         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
5841         cores and change the partno/implementer to be correct.
5842         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
5843         the 'B" as the implementer.
5844         * config/aarch64/aarch64-tune.md: Regenerate.
5846 2017-02-14  Carl Love  <cel@us.ibm.com>
5848         * config/rs6000/rs6000.c: Add case statement entry to make the
5849         xvcvuxdsp built-in argument unsigned.
5850         * config/rs6000/vsx.md: Fix the source and return operand types so they
5851         match the instruction definitions from the ISA document.  Fix typo
5852         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
5853         statement.
5855 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
5857         PR target/79282
5858         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
5859         member early_clobber_alts.
5860         * lra-lives.c (reg_early_clobber_p): New.
5861         (process_bb_lives): Use it.
5862         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
5863         (debug_operand_data): Initialize early_clobber_alts.
5864         (setup_operand_alternative): Set up early_clobber_alts.
5865         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
5866         alternatives to new_insn_reg.
5867         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
5868         it.
5869         (lra_update_insn_regno_info): Pass the new arg.
5871 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5873         PR middle-end/79505
5874         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
5875         (new_oacc_loop_raw): Don't clear already cleared fields.
5877         PR target/79481
5878         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
5879         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
5880         _mm512_prefetch_i64gather_ps): New inline functions and macros.
5882 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
5884         PR target/79495
5885         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
5887 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
5889         PR target/79498
5890         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
5891         the extra instruction to the right place to store 128-bit constant
5892         when needed.
5894 2017-02-14  Martin Sebor  <msebor@redhat.com>
5896         PR middle-end/79448
5897         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
5898           warning for strings of unknown length.
5900 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
5902         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
5904 2017-02-14 Jeff Law  <law@redhat.com>
5906         PR target/79404
5907         * ira-costs.c (scan_one_insn): Initialize register move costs
5908         for pseudos seen in USE/CLOBBER insns.
5910         PR tree-optimization/79095
5911         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
5912         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
5913         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
5914         if the operands are known to be not equal, then the resulting range
5915         is ~[0,0].
5916         (intersect_ranges): If the new range is ~[0,0] and the old range is
5917         wide, then prefer ~[0,0].
5918         * tree-vrp.c (overflow_comparison_p_1): New function.
5919         (overflow_comparison_p): New function.
5920         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
5921         if NAME is used in an overflow test.
5922         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
5923         overflow check that can be expressed as an equality test, then adjust
5924         ops to be that equality test.
5926 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5928         * config/s390/s390-builtin-types.def: Remove flags argument.
5929         * config/s390/s390.c (s390_init_builtins): Likewise.
5931 2017-02-14  Martin Liska  <mliska@suse.cz>
5933         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
5934         vector.  Fix trailing white spaces.
5936 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
5938         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
5939         HFmode.
5941 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5943         PR rtl-optimization/68664
5944         * config/arm/arm.c (arm_sched_can_speculate_insn):
5945         New function.  Declare prototype.
5946         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5948 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5950         PR rtl-optimization/68664
5951         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
5952         New function.
5953         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
5955 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
5957         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
5958         max skip bytes for function, loop and jump.
5960 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5962         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
5963         ABS_EXPR for gimple dump.
5965 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
5967         PR target/79462
5968         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
5970         PR tree-optimization/79408
5971         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
5972         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
5973         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
5974         also if rhs1 is INTEGER_CST.
5976 2017-02-14  Richard Biener  <rguenther@suse.de>
5978         PR middle-end/79432
5979         * tree-into-ssa.c (insert_phi_nodes): When the function can
5980         have abnormal edges rewrite SSA names with broken use-def
5981         dominance out of SSA and register them for PHI insertion.
5983 2017-02-13  Martin Sebor  <msebor@redhat.com>
5985         PR middle-end/79496
5986         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
5987         clearing info.nowrite flag when snprintf size argument is a range.
5989 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
5991         * cprop.c (cprop_jump): Add missing space in string literal.
5992         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
5993         (get_constraint_for_component_ref): Likewise.
5994         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
5995         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
5996         * lra-constraints.c (process_alt_operands): Likewise.
5997         * ipa-inline.c (inline_small_functions): Likewise.
5998         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
5999         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
6000         * trans-mem.c (diagnose_tm_1_op): Likewise.
6001         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
6002         (grid_parallel_clauses_gridifiable): Likewise.
6004         * config/nvptx/mkoffload.c (process): Add space in between
6005         , and %d.
6007         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
6008         "MOD4_SSE_REGS" and "ALL_REGS".
6010         * spellcheck.c (test_data): Add , in between "foo" and "food".
6012 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6014         PR target/79449
6015         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
6016         boundary crossing check and subsequent code generation agree.
6018 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6020         * config/aarch64/aarch64.c (has_memory_op): Delete.
6021         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
6022         has_memory_op.
6024 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
6026         PR rtl-optimization/79388
6027         PR rtl-optimization/79450
6028         * combine.c (distribute_notes): When removing TEM_INSN for which
6029         corresponding dest has last value recorded, invalidate that last
6030         value.
6032 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6034         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
6035         of explicit '@'.  Add missing assembly comment marker on branch costs
6036         printout.
6038 2017-02-13  Nathan Sidwell  <nathan@acm.org>
6040         * gengtype-lex.l (<in_struct>): Add '/'.
6042 2017-02-13  Martin Liska  <mliska@suse.cz>
6044         PR c/79471
6045         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
6047 2017-02-13  Richard Biener  <rguenther@suse.de>
6049         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
6050         Remove.
6051         * configure: Re-generate.
6052         * config.in: Likewise.
6053         * graphite-dependences.c: Simplify as if
6054         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
6055         * graphite-isl-ast-to-gimple.c: Likewise.
6056         * graphite-optimize-isl.c: Likewise.
6057         * graphite-poly.c: Likewise.
6058         * graphite-sese-to-poly.c: Likewise.
6059         * graphite.h: Likewise.
6060         * toplev.c: Include isl/version.h and use isl_version () for
6061         printing the ISL version.
6062         * doc/install.texi: Update ISL requirement.
6064 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
6066         * doc/standards.texi (Standards): Update reference to
6067         Objective-C 2.0.
6069 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
6070         
6071         * doc/extend.texi (Named Address Spaces): sourceware.org now
6072         defaults to https.
6073         * doc/install.texi (Binaries): Ditto.
6074         (Specific): Ditto.
6076 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
6078         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
6079         standard terminology "stringize"/"stringizing" throughout.
6080         * doc/cppinternals.texi: Likewise.
6082 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
6084         * doc/extend.texi: Fix some spelling mistakes and typos.
6085         * doc/invoke.texi: Likewise.
6087 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
6089         PR ipa/79224
6090         * params.def (inline-min-speedup) Change from 10 to 8.
6092 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
6094         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
6095         4.5.
6097 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
6099         PR ipa/79224
6100         * ipa-inline-analysis.c (get_minimal_bb): New function.
6101         (record_modified): Use it.
6102         (remap_edge_change_prob): Handle also ancestor functions.
6104 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
6106         * doc/contrib.texi (Contributors): Remove broken link into
6107         the Mauve CVS repository.
6109 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
6111         PR middle-end/79454
6112         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
6113         result computation whenever lhs doesn't have vector mode, not
6114         just when it has BLKmode.
6116 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
6118         * doc/makefile.texi (profiledbootstrap): Refer to the
6119         installation instructions only in textual form.
6121 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6123         PR target/79295
6124         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
6126 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
6128         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
6129         (Specific): Update mingw-w64 reference.
6130         (Binaries): Ditto.
6131         (Specific): Remove broken link to Renesas RX processor.
6133 2017-02-10  Richard Biener  <rguenther@suse.de>
6135         * toplev.c (process_options): Do not mention obsolete graphite
6136         options when printing sorry message about missing graphite support.
6137         Mention -floop-nest-optimize.
6139 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
6141         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
6142         (vtst_p16): Likewise.
6143         (vtstq_p8): Likewise.
6144         (vtstq_p16): Likewise.
6145         (vtst_p64): New.
6146         (vtstq_p64): Likewise.
6147         * config/arm/arm_neon.h (vgetq_lane_p64): New.
6148         (vset_lane_p64): New.
6149         (vsetq_lane_p64): New.
6151 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
6153         PR tree-optimization/79411
6154         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
6155         stmt operands are SSA_NAMEs used in abnormal phis.
6156         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
6157         phis.
6159 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
6161         PR ipa/70795
6162         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
6163         flag if needed.
6165 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
6167         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
6169 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
6171         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
6172         to avoid warning.
6174         PR c/79413
6175         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
6176         not arbitrary TREE_CONSTANT.
6178         PR c/79431
6179         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
6180         "omp declare target link" attribute unless is_global_var.
6181         * omp-offload.c (find_link_var_op): Likewise.
6183 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6184             Chung-Lin Tang  <cltang@codesourcery.com>
6186         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
6187         OMP_CLAUSE_TILE.
6188         (gimplify_adjust_omp_clauses): Don't delete TILE.
6189         (gimplify_omp_for): Deal with TILE.
6190         * internal-fn.c (expand_GOACC_TILE): New function.
6191         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
6192         (GOACC_TILE): New.
6193         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
6194         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
6195         element fields.
6196         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
6197         avoid DIV for outermost collapse var.
6198         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
6199         Remove out of date comments, fix whitespace.
6200         * omp-general.c (omp_extract_for_data): Deal with tiling.
6201         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
6202         adjust OLF_DIM_BASE value.
6203         (struct omp_for_data): Add tiling field.
6204         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
6205         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
6206         for auto loops.  Remove default auto determining, moved to
6207         oacc_loop_fixed_partitions.
6208         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
6209         stmts, add e_mask field.
6210         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
6211         (oacc_thread_numbers): Use oacc_dim_call.
6212         (oacc_xform_tile): New.
6213         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
6214         (finish_oacc_loop): Adjust for ifns vector.
6215         (oacc_loop_discover_walk): Append loop abstraction sites to list,
6216         add case for GOACC_TILE fns.
6217         (oacc_loop_xform_loop): Delete.
6218         (oacc_loop_process): Iterate over call list directly, and add
6219         handling for GOACC_TILE fns.
6220         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
6221         dump partitioning.
6222         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
6223         vector partitioning to outer loops.  Assign 2 partitions to loops
6224         when available. Add TILE handling.
6225         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
6226         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
6227         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
6228         * tree.c (omp_clause_num_ops): Adjust TILE ops.
6229         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
6231 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
6233         * configure.ac (ACX_BUGURL): Update.
6234         * configure: Regenerate.
6236 2017-02-09  Richard Biener  <rguenther@suse.de>
6238         PR tree-optimization/69823
6239         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
6240         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
6242 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
6244         * config/arc/arc-c.def: Add __NPS400__ definition.
6245         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
6246         (TARGET_NPS400): Define.
6248 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
6250         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
6251         file.
6252         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
6253         pointer, arch_info.
6254         (arc_cpu_types): Fill the arch_info field with a pointer into the
6255         arc_arch_types table.
6256         (arc_selected_cpu): Declare.
6257         * config/arc/arc.c (arc_selected_cpu): Make global.
6258         (arc_selected_arch): Delete.
6259         (arc_base_cpu): Delete.
6260         (arc_override_options): Remove references to deleted variables,
6261         update access to arch information.
6262         (ARC_OPT): Update access to arch information.
6263         (ARC_OPTX): Likewise.
6264         * config/arc/arc.h (arc_base_cpu): Remove declaration.
6265         (TARGET_ARC600): Update access to arch information.
6266         (TARGET_ARC601): Likewise.
6267         (TARGET_ARC700): Likewise.
6268         (TARGET_EM): Likewise.
6269         (TARGET_HS): Likewise.
6270         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
6271         information.
6273 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
6275         PR target/78604
6276         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
6277         condition/operands for integer GE/LE/GEU/LEU operations.
6279 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
6281         PR translation/79397
6282         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
6283         of AltiVec.
6285 2017-02-08  Martin Jambor  <mjambor@suse.cz>
6287         PR ipa/79375
6288         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
6289         whether allocation happened.
6290         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
6291         nothing was allocated.
6293 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
6295         PR tree-optimization/79408
6296         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
6297         constant, but SSA_NAME with a known integer range, use the minimum
6298         of that range instead of op1 to determine if modulo can be replaced
6299         with its first operand.
6301 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6303         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
6305 2017-02-08  Richard Biener  <rguenther@suse.de>
6307         PR tree-optimization/71824
6308         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
6309         Check all loops contained in the merged region.
6311 2017-02-07  Andrew Pinski  <apinski@cavium.com>
6313         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
6315 2017-02-07  Andrew Pinski  <apinski@cavium.com>
6317         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
6318         (thunderxt88): Likewise.
6319         (thunderxt81): Disable LSE and change v8.1 to v8.
6320         (thunderxt83): Likewise.
6322 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
6323             Richard Biener  <rguenther@suse.de>
6325         PR middle-end/79399
6326         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
6327         type from int to size_t.
6328         * ira-costs.c (struct_costs_size): Change type from int to size_t.
6330 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
6332         PR rtl-optimization/79386
6333         * cprop.c (bypass_conditional_jumps): Initialize
6334         bypass_last_basic_block already before splitting bbs after
6335         unconditional traps...
6336         (bypass_conditional_jumps): ... rather than here.
6338         PR target/79299
6339         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
6340         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
6341         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
6342         fix -masm=intel patterns.
6344 2017-02-07  Richard Biener  <rguenther@suse.de>
6346         PR tree-optimization/79256
6347         PR middle-end/79278
6348         * builtins.c (get_object_alignment_2): Use min_align_of_type
6349         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
6350         and ADJUST_FIELD_ALIGN.
6352         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
6353         type parameter.
6354         * doc/tm.texi: Regenerate.
6355         * stor-layout.c (layout_decl): Adjust.
6356         (update_alignment_for_field): Likewise.
6357         (place_field): Likewise.
6358         (min_align_of_type): Likewise.
6359         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
6360         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
6361         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
6362         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
6363         * config/frv/frv.c (frv_adjust_field_align): Likewise.
6364         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
6365         * config/i386/i386.c (x86_field_alignment): Likewise.
6366         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
6367         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
6368         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
6369         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
6370         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
6371         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
6372          Likewise.
6374         Revert
6375         2017-01-30  Richard Biener  <rguenther@suse.de>
6377         PR tree-optimization/79256
6378         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
6379         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
6380         alignment on TYPE.
6382 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
6384         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
6385         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
6386         builtins to SImode and emit a zero-extend, if necessary.
6388 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
6390         * docs/invoke.texi (RISC-V Options): Alphabetize.
6392 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
6394         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
6395         options.
6397 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
6399         * config/riscv/riscv.c: New file.
6400         * gcc/common/config/riscv/riscv-common.c: Likewise.
6401         * config.gcc: Likewise.
6402         * config/riscv/constraints.md: Likewise.
6403         * config/riscv/elf.h: Likewise.
6404         * config/riscv/generic.md: Likewise.
6405         * config/riscv/linux.h: Likewise.
6406         * config/riscv/multilib-generator: Likewise.
6407         * config/riscv/peephole.md: Likewise.
6408         * config/riscv/pic.md: Likewise.
6409         * config/riscv/predicates.md: Likewise.
6410         * config/riscv/riscv-builtins.c: Likewise.
6411         * config/riscv/riscv-c.c: Likewise.
6412         * config/riscv/riscv-ftypes.def: Likewise.
6413         * config/riscv/riscv-modes.def: Likewise.
6414         * config/riscv/riscv-opts.h: Likewise.
6415         * config/riscv/riscv-protos.h: Likewise.
6416         * config/riscv/riscv.h: Likewise.
6417         * config/riscv/riscv.md: Likewise.
6418         * config/riscv/riscv.opt: Likewise.
6419         * config/riscv/sync.md: Likewise.
6420         * config/riscv/t-elf-multilib: Likewise.
6421         * config/riscv/t-linux: Likewise.
6422         * config/riscv/t-linux-multilib: Likewise.
6423         * config/riscv/t-riscv: Likewise.
6424         * configure.ac: Likewise.
6425         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
6426         Waterman as RISC-V maintainers.
6427         * doc/install.texi: Add RISC-V entries.
6428         * doc/invoke.texi: Add RISC-V options section.
6429         * doc/md.texi: Add RISC-V constraints section.
6430         * configure: Regenerated.
6432 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
6434         PR target/66144
6435         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
6436         false values to be constant vectors with all 0 or all 1 bits set.
6437         (vcondu<mode><mode>): Likewise.
6438         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
6439         predicate.
6440         (fpmask_comparison_operator): Update comment.
6441         (vecint_comparison_operator): New predicate.
6442         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
6443         vector conditionals when the true and false values are constant
6444         vectors with all 0 bits or all 1 bits set.
6446 2017-02-06  Martin Sebor  <msebor@redhat.com>
6448         PR  tree-optimization/79376
6449         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
6451 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
6453         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
6454         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
6455         to simplify split condition.
6457 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
6459         * omp-expand.c (oxpand_omp_atomic_fetch_op,
6460         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
6461         false.
6463 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
6465         PR rtl-optimization/68664
6466         * target.def (can_speculate_insn): New hook.
6467         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
6468         * doc/tm.texi: Regenerate.
6469         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
6470         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
6471         (rs6000_sched_can_speculate_insn): New function.
6473 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
6475         PR tree-optimization/79284
6476         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
6477         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
6478         vectorizable_mask_load_store, vectorizable_operation,
6479         vect_is_simple_cond, get_same_sized_vectype): Use it instead
6480         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
6481         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
6482         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
6483         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
6484         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
6485         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
6486         is_gimple_assign (stmt).  Replace another such test with
6487         is_gimple_assign (stmt).
6489 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
6491         PR target/78883
6492         * config/avr/avr.c (rtl-iter.h): Include it.
6493         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
6494         (avr_legitimate_combined_insn): ...and implementation.
6496 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6498         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
6499         * config/s390/s390.c (s390_const_operand_ok)
6500         (s390_canonicalize_comparison, s390_extract_part)
6501         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
6502         (s390_contiguous_bitmask_p, s390_rtx_costs)
6503         (legitimize_pic_address): Likewise.
6504         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
6505         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
6506         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
6507         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
6508         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
6510 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
6512         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
6513         REGNO($0) == REGNO($1).
6515 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6517         * config/s390/linux.h(SIZE_TYPE): Add comment.
6519 2017-02-06  Julian Brown  <julian@codesourcery.com>
6520             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6521             Virendra Pathak  <virendra.pathak@broadcom.com>
6523         * config/aarch64/aarch64-cores.def: Change the scheduler
6524         to Thunderx2t99.
6525         * config/aarch64/aarch64.md: Include thunderx2t99.md.
6526         * config/aarch64/thunderx2t99.md: New file.
6528 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
6530         * doc/standards.texi (Go Language): Update link to language
6531         standard.
6533 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
6535         * tree-eh.c (lower_resx): Sanitize profile.
6536         (cleanup_empty_eh_move_lp): Likewise.
6538 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
6540         PR tree-ssa/79347
6541         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
6542         ELSE_PROB.
6543         * cfgloopmanip.h (loop_version): Update prototype.
6544         * modulo-sched.c (sms_schedule): Update call of loop_version.
6545         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
6546         * tree-parloops.c (gen_parallel_loop): Likewise.
6547         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
6548         * tree-ssa-loop-split.c (split_loop): Likewise.
6549         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
6550         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
6552 2017-02-05  Martin Liska  <mliska@suse.cz>
6554         PR bootstrap/78985
6555         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
6556         variable to NULL.
6557         (print_operand_address): Initialize a struct to zero.
6559 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
6561         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
6562         garbage collector only in textual form.
6564 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
6565         
6566         * doc/extend.texi (x86 specific memory model extensions for
6567         transactional memory): Simplify a phrase.
6569 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
6571         PR target/79353
6572         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
6573         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
6574         (atomic_storedi_1): Likewise.
6576 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
6578         PR tree-optimization/79338
6579         * tree-parloops.c (gather_scalar_reductions): Don't call
6580         vect_analyze_loop_form for loop->inner before destroying loop's
6581         loop_vinfo.
6583 2017-02-03  Martin Sebor  <msebor@redhat.com>
6585         PR tree-optimization/79327
6586         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
6587         when precision has resulted in leading zeros.
6588         (format_integer): Adjust the likely counter to assume an unknown
6589         argument that may be zero is non-zero.
6591 2017-02-03  Jason Merrill  <jason@redhat.com>
6593         PR c++/78689
6594         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
6595         avoid copying non-taken branch.
6597 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
6599         PR tree-optimization/79340
6600         * tree-vect-loop.c (vectorizable_reduction): Release
6601         vec_defs elements after safe_splicing them into other vectors.
6602         Formatting fixes.
6604         PR tree-optimization/79327
6605         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
6606         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
6607         dirtype.
6608         (format_integer): Use wide_int_to_tree instead of build_int_cst
6609         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
6610         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
6611         of shortest and longest sequence.
6613 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
6615         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6616         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
6618 2017-02-03  Walter Lee  <walt@tilera.com>
6620         PR target/78862
6621         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
6622         after initial stackframe link reg save.
6623         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
6625 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
6627         PR target/79354
6628         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
6629         wu for stxssp alternative.
6631 2017-02-03  Martin Sebor  <msebor@redhat.com>
6633         PR tree-optimization/79352
6634         * gimple-fold.c (get_range_strlen): Add argument.
6635         (get_range_strlen): Change return type to bool.
6636         (get_maxval_strlen): Pass in a dummy argument.
6637         * gimple-fold.h (get_range_strlen): Change return type to bool.
6638         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
6639         * tree.h (array_at_struct_end_p): Add argument.
6640         * tree.c (array_at_struct_end_p): Handle it.
6642 2017-02-03  Martin Liska  <mliska@suse.cz>
6644         PR lto/66295
6645         * multiple_target.c (create_dispatcher_calls): Redirect edge
6646         from a caller of a dispatcher.
6647         (expand_target_clones): Make the clones local.
6648         (ipa_target_clone): Do both target clones and resolvers.
6649         (ipa_dispatcher_calls): Remove the pass.
6650         (pass_dispatcher_calls::gate): Likewise.
6651         (make_pass_dispatcher_calls): Likewise.
6652         * passes.def (pass_target_clone): Put as very first IPA early
6653         pass.
6655 2017-02-03  Martin Liska  <mliska@suse.cz>
6657         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
6658         in case of a function with ifunc attribute.
6660 2017-02-03  Martin Liska  <mliska@suse.cz>
6662         * cgraph.c (cgraph_node::dump): Dump function version info.
6663         * symtab.c (symtab_node::dump_base): Add missing new line.
6665 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6667         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
6668         (ifcombine_ifandif): Use it.
6670 2017-02-03  Martin Liska  <mliska@suse.cz>
6672         * doc/invoke.texi: Document default value for
6673         use-after-scope-direct-emission-threshold.
6675 2017-02-03  Martin Liska  <mliska@suse.cz>
6677         PR tree-optimization/79339
6678         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
6679         (format_floating): Likewise.
6681 2017-02-03  Martin Liska  <mliska@suse.cz>
6683         PR ipa/79337
6684         * ipa-prop.c (ipa_node_params_t::insert): Remove current
6685         implementation.
6686         (ipa_node_params_t::remove): Likewise.
6687         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
6688         initialization from removed ipa_node_params_t::insert.
6689         (ipa_node_params::~ipa_node_params): Move from removed
6690         ipa_node_params_t::release.
6691         * symbol-summary.h (symbol_summary::m_released): New member.
6692         Do not release a summary twice.  Do not allow to call finalizer
6693         for types of a summary that live in GGC memory.
6695 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6697         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
6698         cmp_branch fusion.
6700 2017-02-02  Martin Sebor  <msebor@redhat.com>
6702         PR middle-end/79275
6703         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
6704         (format_string): Tighten up the range of output for non-constant
6705         strings and correct the expected range for wide non-constant strings.
6707 2017-02-02  Martin Sebor  <msebor@redhat.com>
6709         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
6711         PR middle-end/32003
6712         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
6713         index.
6714         (-fdump-tree-@var): Add to index and document how to come up
6715         with pass-specific option and dump file names.
6716         (-fdump-passes): Clarify where to look for output.
6718 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
6720         PR middle-end/77445
6721         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
6722         statistics of the analyzed path; allow threading for speed when
6723         any of BBs along the path are optimized for speed.
6725 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
6727         PR middle-end/78468
6728         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
6729         settings of the virtual registers.
6731         Revert again
6732         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6734         * explow.c (get_dynamic_stack_size): Take known alignment of stack
6735         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
6736         needed.
6738 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6740         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
6741         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
6743 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6745         * config/s390/s390.md: Add missing comments with the expanded
6746         mnemonics.
6747         * config/s390/vector.md: Likewise.
6748         * config/s390/vx-builtins.md: Likewise.
6750 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
6752         PR target/79197
6753         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
6754         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
6755         conditions on a single line.
6757 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6759         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6760         __S390_VX__ to __VX__.
6762 2017-02-01  Andrew Pinski  <apinski@cavium.com>
6764         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
6765         stmt_info to record_stmt_cost.
6766         (vect_get_known_peeling_cost): Pass stmt_info if known to
6767         record_stmt_cost.
6768         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
6769         cpu_vector_cost field into
6770         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
6771         field into vec_int_stmt_cost and vec_fp_stmt_cost.
6772         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
6773         splitting of scalar_stmt_cost and vec_stmt_cost.
6774         (thunderx_vector_cost): Likewise.
6775         (cortexa57_vector_cost): LIkewise.
6776         (exynosm1_vector_cost): Likewise.
6777         (xgene1_vector_cost): Likewise.
6778         (thunderx2t99_vector_cost): Improve after the splitting of the two
6779         fields.
6780         (aarch64_builtin_vectorization_cost): Update for the splitting of
6781         scalar_stmt_cost and vec_stmt_cost.
6783 2017-02-01  Torvald Riegel  <triegel@redhat.com>
6784             Richard Henderson  <rth@redhat.com>
6786         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
6787         conditional on existance of a fast atomic load.
6788         * optabs-query.c (can_atomic_load_p): New function.
6789         * optabs-query.h (can_atomic_load_p): Declare it.
6790         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
6791         no fast atomic load is available for the particular size of access.
6792         (expand_atomic_compare_and_swap): Likewise.
6793         (expand_atomic_load): Likewise.
6794         (expand_atomic_store): Likewise.
6795         (expand_atomic_fetch_op): Likewise.
6796         * testsuite/lib/target-supports.exp
6797         (check_effective_target_sync_int_128): Remove x86 because it provides
6798         no fast atomic load.
6799         (check_effective_target_sync_int_128_runtime): Likewise.
6801 2017-02-01  Richard Biener  <rguenther@suse.de>
6803         * graphite.c: Include tree-vectorizer.h for find_loop_location.
6804         (graphite_transform_loops): Provide opt-info for optimized nests.
6805         * tree-parloop.c (parallelize_loops): Provide opt-info for
6806         parallelized loops.
6808 2017-02-01  Richard Biener  <rguenther@suse.de>
6810         PR middle-end/79315
6811         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
6812         was not set before.
6814 2017-02-01  Richard Biener  <rguenther@suse.de>
6816         PR tree-optimization/71824
6817         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
6818         Verify the loops are valid in the merged SESE region.
6819         (scop_detection::can_represent_loop_1): Check analyzing the
6820         evolution of the number of iterations in the region succeeds.
6822 2017-01-31  Ian Lance Taylor  <iant@golang.org>
6824         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
6825         REG_ARGS_SIZE note to 32-bit push insns and call insn.
6827 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
6829         PR preprocessor/79210
6830         * input.c (get_substring_ranges_for_loc): Replace line_width
6831         assertion with error-handling.
6833 2017-01-31  Richard Biener  <rguenther@suse.de>
6835         PR tree-optimization/77318
6836         * graphite-sese-to-poly.c (extract_affine): Fix assert.
6837         (create_pw_aff_from_tree): Take loop parameter.
6838         (add_condition_to_pbb): Pass loop of the condition to
6839         create_pw_aff_from_tree.
6841 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6843         * config/s390/s390.c (s390_asan_shadow_offset): New function.
6844         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
6846 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
6848         PR target/78597
6849         PR target/79038
6850         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
6851         no longer used.
6852         (convert_int_to_float128): Likewise.
6853         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
6854         (convert_int_to_float128): Likewise.
6855         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
6856         (UNSPEC_IEEE128_CONVERT): Likewise.
6857         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
6858         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
6859         Use local variables for IBM extended format.
6860         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
6861         (fix_trunc<mode>si2_fprs): Likewise.
6862         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
6863         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
6864         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
6865         to know that we can now have integers of all sizes in vector
6866         registers.
6867         (fix<uns>_<mode>di2_hw): Likewise.
6868         (float<uns>_<mode>si2_hw): Likewise.
6869         (fix_<mode>si2_hw): Likewise.
6870         (fixuns_<mode>si2_hw): Likewise.
6871         (float<uns>_<mode>di2_hw): Likewise.
6872         (float_<mode>di2_hw): Likewise.
6873         (float_<mode>si2_hw): Likewise.
6874         (floatuns_<mode>di2_hw): Likewise.
6875         (floatuns_<mode>si2_hw): Likewise.
6876         (xscvqp<su>wz_<mode>): Delete, no longer used.
6877         (xscvqp<su>dz_<mode>): Likewise.
6878         (xscv<su>dqp_<mode>): Likewise.
6879         (ieee128_mfvsrd_64bit): Likewise.
6880         (ieee128_mfvsrd_32bit): Likewise.
6881         (ieee128_mfvsrwz): Likewise.
6882         (ieee128_mtvsrw): Likewise.
6883         (ieee128_mtvsrd_64bit): Likewise.
6884         (ieee128_mtvsrd_32bit): Likewise.
6886 2017-01-31  Martin Liska  <mliska@suse.cz>
6888         PR ipa/79285
6889         * ipa-prop.c (ipa_free_all_node_params): Call release method
6890         instead of ~sumbol_summary to not to trigger double times
6891         dtor of hash_map.
6893 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
6895         PR tree-optimization/71691
6896         * bitmap.h (class auto_bitmap): New.
6897         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
6898         is_maybe_undefined instead of ssa_undefined_value_p.
6900 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6902         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
6903         __S390_ARCH_LEVEL__ to __ARCH__.
6905 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
6907         PR tree-optimization/79267
6908         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
6909         if should_remove_lhs_p is true.
6911 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
6913         PR debug/63238
6914         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
6915         (add_alignment_attribute): New.
6916         (base_type_die): Add alignment attribute.
6917         (subrange_type_die): Likewise.
6918         (modified_type_die): Likewise.
6919         (gen_array_type_die): Likewise.
6920         (gen_descr_array_type_die: Likewise.
6921         (gen_enumeration_type_die): Likewise.
6922         (gen_subprogram_die): Likewise.
6923         (gen_variable_die): Likewise.
6924         (gen_field_die): Likewise.
6925         (gen_ptr_to_mbr_type_die): Likewise.
6926         (gen_struct_or_union_type_die): Likewise.
6927         (gen_subroutine_type_die): Likewise.
6928         (gen_typedef_die): Likewise.
6929         (base_type_cmp): Compare alignment attribute.
6931 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6933         PR target/79170
6934         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
6935         (setb_unsigned) New pattern for setb with CCUNS.
6936         * config/rs6000/rs6000.c (expand_block_compare): Use a different
6937         subfc./subfe sequence to avoid overflow problems.  Generate a
6938         shorter sequence with cmpld/setb for power9.
6939         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
6940         for generating subfc. instruction.
6941         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
6942         now uses this instruction.
6944 2017-01-30  Ian Lance Taylor  <iant@google.com>
6946         PR debug/79289
6947         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
6948         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
6950 2017-01-30  Martin Sebor  <msebor@redhat.com>
6952         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
6953         Move constant to the right of a relational operator.
6954         (get_mpfr_format_length, format_character, format_string): Ditto.
6955         (should_warn_p, maybe_warn): Same.
6957         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
6959 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
6961         PR lto/79061
6962         * asan.c (get_translation_unit_decl): Remove function.
6963         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
6965 2017-01-30  Martin Liska  <mliska@suse.cz>
6967         PR gcov-profile/79259
6968         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
6969         -fprofile-generate.
6971 2017-01-30  Martin Liska  <mliska@suse.cz>
6973         PR bootstrap/78985
6974         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
6975         Initialize variables with NULL value.
6977 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
6979         PR target/79260
6980         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
6981         tm_p_file.
6982         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
6984 2017-01-30  Richard Biener  <rguenther@suse.de>
6986         PR tree-optimization/79276
6987         * tree-vrp.c (process_assert_insertions): Properly adjust common
6988         when removing a duplicate.
6990         * gcc.dg/torture/pr79276.c: New testcase.
6992 2017-01-30  Richard Biener  <rguenther@suse.de>
6994         PR tree-optimization/79256
6995         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
6996         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
6997         alignment on TYPE.
6998         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
7000 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7002         PR target/79240
7003         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
7004         ("*r<noxa>sbg_<mode>_sll_bitmask")
7005         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
7006         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
7007         Use contiguous_bitmask_nowrap_operand.
7009 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7011         PR target/79268
7012         * config/rs6000/altivec.h (vec_xl): Revise #define.
7013         (vec_xst): Likewise.
7015 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
7017         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
7019 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
7021         PR rtl-optimization/79194
7022         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
7023         traps before call to bypass_conditional_jumps.
7025 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
7027         PR tree-optimization/71374
7028         * lra-constraints.c (check_conflict_input_operands): New.
7029         (match_reload): Use it.
7031 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
7033         PR target/79131
7034         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
7035         account to calculate conflict_set.
7037 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
7039         PR rtl-optimization/78559
7040         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
7041         other_insn in combine.
7043 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
7045         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
7046         uint16_type_node for BT_UINT16.
7048 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
7050         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
7051         "RTL Tests" to menu.
7052         (GIMPLE Tests): New node.
7053         (RTL Tests): New node.
7055 2017-01-27  Richard Biener  <rguenther@suse.de>
7057         PR tree-optimization/79245
7058         * tree-loop-distribution.c (distribute_loop): Apply cost
7059         modeling also to detected patterns.
7061 2017-01-27  Richard Biener  <rguenther@suse.de>
7063         PR tree-optimization/71433
7064         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
7065         (compare_assert_loc): New function.
7066         (process_assert_insertions): Sort and optimize assert locations
7067         to remove duplicates and push down identical assertions on
7068         edges to their destination block.
7070 2017-01-27  Richard Biener  <rguenther@suse.de>
7072         PR tree-optimization/79244
7073         * tree-vrp.c (remove_range_assertions): Forcefully propagate
7074         out SSA names even if abnormal.
7076 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
7078         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
7079         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
7080         instead of MPFR_RNDN.
7082 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
7084         PR target/79239
7085         * arm.c (arm_option_override): Don't call build_target_option_node
7086         until after doing all option overrides.
7087         (arm_valid_target_attribute_tree): Likewise.
7089 2017-01-27  Martin Liska  <mliska@suse.cz>
7091         * doc/invoke.texi (-fprofile-arcs): Document profiling support
7092         for {cd}tors and C++ {cd}tors.
7094 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7096         * config/s390/s390.md ("*setmem_long_and")
7097         ("*setmem_long_and_31z"): Use zero_extend instead of and.
7099 2017-01-26  Martin Sebor  <msebor@redhat.com>
7101         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
7102         of precision.
7104 2017-01-26  Martin Sebor  <msebor@redhat.com>
7106         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
7107         HAVE_DFmode before using XFmode or DFmode.
7108         (parse_directive): Avoid using the z length modifier to avoid
7109         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
7111         PR middle-end/78703
7112         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
7113         to accept adjustment as an array.
7114         (get_int_range): New function.
7115         (struct directive): Make width and prec arrays.
7116         (directive::set_width, directive::set_precision): Call get_int_range.
7117         (format_integer, format_floating): Handle width and precision ranges.
7118         (format_string, parse_directive): Same.
7120 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
7122         PR debug/79129
7123         * dwarf2out.c (generate_skeleton_bottom_up): For children with
7124         comdat_type_p set, just clone them, but keep the children in the
7125         original DIE.
7127         PR debug/78835
7128         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
7129         which have direct callers with -fvar-tracking-assignments enabled
7130         in the current TU.
7131         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
7132         inside of type units.
7134 2017-01-26  Martin Sebor  <msebor@redhat.com>
7136         PR middle-end/78703
7137         * gimple-ssa-sprintf.c (struct result_range): Add likely and
7138         unlikely counters.
7139         (struct format_result): Replace number_chars, number_chars_min,
7140         and number_chars_max with a single member of struct result_range.
7141         Remove bounded.
7142         (format_result::operator+=): Adjust.
7143         (struct fmtresult): Remove bounded.  Handle likely and unlikely
7144         counters.
7145         (fmtresult::adjust_for_width_or_precision): New function.
7146         (fmtresult:type_max_digits): New function.
7147         (bytes_remaining): Handle likely and unlikely counters.
7148         (min_bytes_remaining): Remove.
7149         (format_percent): Simplify.
7150         (format_integer, format_floating): Set likely and unlikely counters.
7151         (get_string_length, format_character, format_string): Same.
7152         (format_plain, should_warn_p): New function.
7153         (maybe_warn): Call should_warn_p.  Update diagnostic messages
7154         and handle those for all directives, including plain strings.
7155         (format_directive): Handle likely and unlikely counters.
7156         Remove unnecessary quoting from diagnostics.  Add an informational
7157         note.
7158         (add_bytes): Remove.
7159         (pass_sprintf_length::compute_format_length): Simplify.
7160         (try_substitute_return_value): Handle likely and unlikely counters.
7162 2017-01-26  Carl Love  <cel@us.ibm.com>
7164         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
7165         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
7167 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
7169         PR target/79131
7170         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
7171         endianess for subregs into account.
7172         * lra-constraints.c (lra_constraints): Do risky transformations
7173         always on the first iteration.
7174         * lra-lives.c (check_pseudos_live_through_calls): Add arg
7175         last_call_used_reg_set.
7176         (process_bb_lives): Define and use last_call_used_reg_set.
7177         * lra.c (lra): Always continue after lra_constraints on the first
7178         iteration.
7180 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
7182         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
7183         constant.
7184         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
7186 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
7188         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
7189         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
7190         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
7191         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
7192         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
7193         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
7194         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
7195         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
7196         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
7198 2017-01-26  Marek Polacek  <polacek@redhat.com>
7200         PR c/79199
7201         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
7202         for the third operand.
7204 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
7206         PR middle-end/79236
7207         * omp-low.c (struct omp_context): Add simt_stmt field.
7208         (scan_omp_for): Return omp_context *.
7209         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
7210         context to the _simt_ SIMD stmt.
7211         (lower_omp_for): For combined SIMD with sibling _simt_
7212         SIMD, make sure to use the same decls in _looptemp_
7213         clauses as in the sibling.
7215 2017-01-26  David Sherwood  <david.sherwood@arm.com>
7217         PR middle-end/79212
7218         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
7219         all contexts.
7221 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
7223         PR target/70465
7224         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
7225         emit fld b; fld a; if possible.
7227         * brig-builtins.def: Update copyright years.
7228         * config/arm/arm_acle_builtins.def: Update copyright years.
7230 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
7232         PR target/79179
7233         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
7234         constraint instead of o for the stxsd instruction.
7236 2017-01-25  Carl Love  <cel@us.ibm.com>
7238         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
7239         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
7241 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
7243         * doc/invoke.texi (C++ Dialect Options): Fix typo.
7245 2017-01-25  Richard Biener  <rguenther@suse.de>
7247         PR tree-optimization/69264
7248         * target.def (vector_alignment_reachable): Improve documentation.
7249         * doc/tm.texi: Regenerate.
7250         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
7251         and add a comment.
7252         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
7253         earlier changes with respect to TYPE_USER_ALIGN.
7254         (vector_alignment_reachable_p): Likewise.  Improve dumping.
7256 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7258         PR target/79145
7259         * config/arm/arm.md (xordi3): Force constant operand into a register
7260         for TARGET_IWMMXT.
7262 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7264         * doc/invoke.texi (-fstore-merging): Correct default optimization
7265         levels at which it is enabled.
7266         (-O): Move -fstore-merging from list to...
7267         (-O2): ... Here.
7269 2017-01-25  Richard Biener  <rguenther@suse.de>
7271         PR debug/78363
7272         * omp-expand.c: Include debug.h.
7273         (expand_omp_taskreg): Make sure to generate early debug before
7274         outlining anything from a function.
7275         (expand_omp_target): Likewise.
7276         (grid_expand_target_grid_body): Likewise.
7278 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
7280         PR lto/79061
7281         * asan.c (get_translation_unit_decl): New function.
7282         (asan_add_global): Extract modules file name from globals
7283         TRANSLATION_UNIT_DECL name.
7285 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
7287         PR target/77439
7288         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
7289         for long calls with APCS frame and VFP.
7291 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
7293         * cfg.c (original_copy_tables_initialized_p): New function.
7294         * cfg.h (original_copy_tables_initialized_p): New decl.
7295         * cfgrtl.c (relink_block_chain): Guard the call to
7296         free_original_copy_tables with a call to
7297         original_copy_tables_initialized_p.
7298         * cgraph.h (symtab_node::native_rtl_p): New decl.
7299         * cgraphunit.c (symtab_node::native_rtl_p): New function.
7300         (symtab_node::needed_p): Don't assert for early assembly output
7301         for __RTL functions.
7302         (cgraph_node::finalize_function): Set "force_output" for __RTL
7303         functions.
7304         (cgraph_node::analyze): Bail out early for __RTL functions.
7305         (analyze_functions): Update assertion to support __RTL functions.
7306         (cgraph_node::expand): Bail out early for __RTL functions.
7307         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
7308         __RTL functions.
7309         * function.h (struct function): Update comment for field
7310         "pass_startwith".
7311         * gimple-expr.c: Include "tree-pass.h".
7312         (gimple_has_body_p): Return false for __RTL functions.
7313         * Makefile.in (OBJS): Add run-rtl-passes.o.
7314         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
7315         accessor.
7316         (gcc::pass_manager::get_clean_slate): New accessor.
7317         * passes.c: Include "insn-addr.h".
7318         (should_skip_pass_p): Add logging.  Update logic for running
7319         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
7320         property-provider override so it is only done for gimple passes.
7321         Don't skip dfinit.
7322         (skip_pass): New function.
7323         (execute_one_pass): Call skip_pass when skipping passes.
7324         * read-md.c (md_reader::read_char): Support filtering
7325         the input to a subset of line numbers.
7326         (md_reader::md_reader): Initialize fields
7327         m_first_line and m_last_line.
7328         (md_reader::read_file_fragment): New function.
7329         * read-md.h (md_reader::read_file_fragment): New decl.
7330         (md_reader::m_first_line): New field.
7331         (md_reader::m_last_line): New field.
7332         * read-rtl-function.c (function_reader::create_function): Only
7333         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
7334         curr_properties.  Set DECL_INITIAL to a dummy block.
7335         (read_rtl_function_body_from_file_range): New function.
7336         * read-rtl-function.h (read_rtl_function_body_from_file_range):
7337         New decl.
7338         * run-rtl-passes.c: New file.
7339         * run-rtl-passes.h: New file.
7341 2017-01-24 Jeff Law  <law@redhat.com>
7343         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
7344         buffer size.
7346 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
7348         PR tree-optimization/79159
7349         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
7350         (record_nonwrapping_iv): Improve boundary using above function if no
7351         value range information.
7353 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
7354             Martin Jambor  <mjambor@suse.cz>
7356         * brig-builtins.def: New file.
7357         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
7358         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
7359         (DEF_HSAIL_SAT_BUILTIN): Likewise.
7360         (DEF_HSAIL_INTR_BUILTIN): Likewise.
7361         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
7362         * builtin-types.def (BT_INT8): New.
7363         (BT_INT16): Likewise.
7364         (BT_UINT8): Likewise.
7365         (BT_UINT16): Likewise.
7366         (BT_FN_ULONG): Likewise.
7367         (BT_FN_UINT_INT): Likewise.
7368         (BT_FN_UINT_ULONG): Likewise.
7369         (BT_FN_UINT_LONG): Likewise.
7370         (BT_FN_UINT_PTR): Likewise.
7371         (BT_FN_ULONG_PTR): Likewise.
7372         (BT_FN_INT8_FLOAT): Likewise.
7373         (BT_FN_INT16_FLOAT): Likewise.
7374         (BT_FN_UINT32_FLOAT): Likewise.
7375         (BT_FN_UINT16_FLOAT): Likewise.
7376         (BT_FN_UINT8_FLOAT): Likewise.
7377         (BT_FN_UINT64_FLOAT): Likewise.
7378         (BT_FN_UINT16_UINT32): Likewise.
7379         (BT_FN_UINT32_UINT16): Likewise.
7380         (BT_FN_UINT16_UINT16_UINT16): Likewise.
7381         (BT_FN_INT_PTR_INT): Likewise.
7382         (BT_FN_UINT_PTR_UINT): Likewise.
7383         (BT_FN_LONG_PTR_LONG): Likewise.
7384         (BT_FN_ULONG_PTR_ULONG): Likewise.
7385         (BT_FN_VOID_UINT64_UINT64): Likewise.
7386         (BT_FN_UINT8_UINT8_UINT8): Likewise.
7387         (BT_FN_INT8_INT8_INT8): Likewise.
7388         (BT_FN_INT16_INT16_INT16): Likewise.
7389         (BT_FN_INT_INT_INT): Likewise.
7390         (BT_FN_UINT_FLOAT_UINT): Likewise.
7391         (BT_FN_FLOAT_UINT_UINT): Likewise.
7392         (BT_FN_ULONG_UINT_UINT): Likewise.
7393         (BT_FN_ULONG_UINT_PTR): Likewise.
7394         (BT_FN_ULONG_ULONG_ULONG): Likewise.
7395         (BT_FN_UINT_UINT_UINT): Likewise.
7396         (BT_FN_VOID_UINT_PTR): Likewise.
7397         (BT_FN_UINT_UINT_PTR: Likewise.
7398         (BT_FN_UINT32_UINT64_PTR): Likewise.
7399         (BT_FN_INT_INT_UINT_UINT): Likewise.
7400         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
7401         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
7402         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
7403         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
7404         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
7405         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
7406         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
7407         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
7408         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
7409         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
7410         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
7411         * doc/frontends.texi: List BRIG FE.
7412         * doc/install.texi (Testing): Add BRIG tesring requirements.
7413         * doc/invoke.texi (Overall Options): Mention BRIG.
7414         * doc/standards.texi (Standards): Doucment BRIG HSA version.
7416 2017-01-24  Richard Biener  <rguenther@suse.de>
7418         PR translation/79208
7419         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
7421 2017-01-24  Martin Jambor  <mjambor@suse.cz>
7423         PR bootstrap/79198
7424         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
7425         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
7426         and known_contexts.
7428 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
7430         PR middle-end/79123
7431         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
7432         casts from signed to unsigned really don't have a range.
7434 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
7436         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
7437         GMP_RNDx for compatiblity.
7439 2017-01-24  Martin Liska  <mliska@suse.cz>
7441         PR bootstrap/79132
7442         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
7443         that would prevent us to call alloca with -1 as argument.
7445 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
7447         * dwarf2out.c (output_compilation_unit_header, output_file_names):
7448         Avoid -Wformat-security warning.
7450 2017-01-23  Andrew Pinski  <apinski@cavium.com>
7452         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
7453         cost table.
7455 2017-01-23  Martin Sebor  <msebor@redhat.com>
7457         PR middle-end/78703
7458         * gimple-ssa-sprintf.c (warn_level): New global.
7459         (format_integer): Use it here and throughout the rest of the file.
7460         Use the same switch to compute sign as base.
7461         (maybe_warn): New function.
7462         (format_directive): Factor out warnings into maybe_warn.
7463         Add debugging output.  Use warn_level.
7464         (add_bytes): Use warn_level.
7465         (pass_sprintf_length::compute_format_length): Add debugging output.
7466         (try_substitute_return_value): Same.
7467         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
7469         PR middle-end/78703
7470         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
7471         (struct fmtresult, format_integer, format_floating): Adjust.
7472         (fmtresult::fmtresult): Set max correctly in two argument ctor.
7473         (get_string_length, format_string,format_directive): Same.
7474         (pass_sprintf_length::compute_format_length): Same.
7475         (try_substitute_return_value): Simplify slightly.
7477         PR middle-end/78703
7478         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
7479         (fmtresult::operator+=): Outlined.
7480         (struct fmtresult): Add ctors.
7481         (struct conversion_spec): Rename...
7482         (struct directive): ...to this.  Add and remove data members.
7483         (directive::set_width, directive::set_precision): New functions.
7484         (format_percent): Use fmtresult ctor.
7485         (get_width_and_precision): Remove.
7486         (format_integer): Make naming changes.  Avoid computing width and
7487         precision.
7488         (format_floating): Same.  Adjust indentation.
7489         (format_character, format_none): New functions.
7490         (format_string): Moved character handling to format_character.
7491         (format_directive): Remove arguments, change return type.
7492         (parse_directive): New function.
7493         (pass_sprintf_length::compute_format_length): Move directive
7494         parsing to parse_directive.
7496 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
7498         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
7499         (assign_assembler_name_if_needed): ... this.
7500         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
7501         (assign_assembler_name_if_needed): ... this.
7502         (free_lang_data_in_cgraph): Adjust callers.
7503         * cgraphunit.c (cgraph_node::analyze): Likewise.
7504         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
7505         Likewise.
7507 2017-01-23  Richard Biener  <rguenther@suse.de>
7509         PR tree-optimization/79088
7510         PR tree-optimization/79188
7511         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
7512         resetting loop bounds after last path deletion.  Reset loop
7513         bounds of the target loop, make code match the comments.
7514         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
7515         Make sure loops need no fixups.
7517 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7519         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
7520         exponent support with double type for first argument.
7521         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
7522         type returned by __builtin_vec_extract_sig,
7523         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
7524         functions from "vector int" to "vector unsigned int" or from
7525         "vector long long int" to "vector unsigned long long int".
7526         Changed type returned by __builtin_vec_extract_exp,
7527         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
7528         functions from "vector int" to "vector unsigned int" or from
7529         "vector long long int" to "vector unsigned long long int".
7530         Changed return type of __builtin_vec_test_data_class,
7531         __builtin_vec_test_data_class_sp, and
7532         __builtin_vec_test_data_class_dp from "vector int" to
7533         "vector bool int" or from "vector long long int" to "vector bool
7534         long long int" and changed second argument type from "unsigned
7535         int" to "int".  Added new overloaded function forms "vector float
7536         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
7537         "vector float __builtin_vec_insert_exp_sp (vector float, vector
7538         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
7539         double, vector unsigned long long int)" and "vector double
7540         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
7541         long int)".  Changed return type of
7542         __builtin_scalar_test_data_class and
7543         __builtin_scalar_test_data_class_sp and
7544         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
7545         int" and changed second argument from "unsigned int" to "int".
7546         Changed type returned by __builtin_scalar_test_neg,
7547         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
7548         from "int" to "bool int".  Added new overloaded function form
7549         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
7550         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
7551         exponent double-precision with floating point first argument.
7552         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
7553         documentation of scalar_test_data_class, scalar_test_neg,
7554         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
7555         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
7556         vec_test_data_class built-in functions to reflect refinements in
7557         their type signatures.
7559 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
7561         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
7562         size of buf.
7563         (aarch64_elf_asm_destructor): Likewise.
7565 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
7567         PR rtl-optimization/78634
7568         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
7569         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
7570         * ifcvt.c (noce_try_cmove): Add missing cost check.
7572         PR rtl-optimization/71724
7573         * combine.c (if_then_else_cond): Look for situations where it is
7574         beneficial to undo the work of one of the recursive calls.
7576 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
7578         PR tree-optimization/70754
7579         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
7580         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
7581         combined stmt before it if not NULL.
7582         (combine_chains): Process refs reversely and compute dominance point
7583         for root ref.
7585 2017-01-23  Martin Liska  <mliska@suse.cz>
7587         PR tree-optimization/79196
7588         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
7589         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
7590         instead of memcmp.
7591         (strlen_optimize_stmt): Call the renamed function.
7593 2017-01-23  Michael Matz  <matz@suse.de>
7595         PR tree-optimization/78384
7596         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
7598 2017-01-23  Richard Biener  <rguenther@suse.de>
7600         PR tree-optimization/79186
7601         * tree-vrp.c (register_new_assert_for): Make sure we've seen
7602         both incoming edges before moving an assert.
7604 2017-01-23  Martin Jambor  <mjambor@suse.cz>
7606         * ipa-prop.c (load_from_param_1): Removed.
7607         (load_from_unmodified_param): Bits from load_from_param_1 put back
7608         here.
7609         (load_from_param): Removed.
7610         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
7611         with stmt.  Reverted back to use of load_from_unmodified_param.
7613 2017-01-23  Martin Jambor  <mjambor@suse.cz>
7615         PR ipa/79108
7616         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
7617         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
7618         field a pointer to garbage collected vector, mark lattices and
7619         ipcp_orig_node with GTY((skip)).
7620         (ipa_get_param_count): Adjust to descriptors being a pointer.
7621         (ipa_get_param): Likewise.
7622         (ipa_get_type): Likewise.
7623         (ipa_get_param_move_cost): Likewise.
7624         (ipa_set_param_used): Likewise.
7625         (ipa_get_controlled_uses): Likewise.
7626         (ipa_set_controlled_uses): Likewise.
7627         (ipa_is_param_used): Likewise.
7628         (ipa_node_params_t): Move into garbage collector.  New methods insert
7629         and remove.
7630         (ipa_node_params_sum): Annotate wth GTY(()).
7631         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
7632         garbage collected.
7633         (ipa_load_from_parm_agg): Adjust declaration.
7634         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
7635         * ipa-profile.c (ipa_profile): Likewise.
7636         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
7637         (ipa_populate_param_decls): Make descriptors parameter garbage
7638         collected.
7639         (ipa_dump_param): Adjust to descriptors being a pointer.
7640         (ipa_alloc_node_params): Likewise.
7641         (ipa_initialize_node_params): Likewise.
7642         (load_from_param_1): Make descriptors parameter garbage collected.
7643         (load_from_unmodified_param): Likewise.
7644         (load_from_param): Likewise.
7645         (ipa_load_from_parm_agg): Likewise.
7646         (ipa_node_params::~ipa_node_params): Removed.
7647         (ipa_free_all_node_params): Remove call to delete operator.
7648         (ipa_node_params_t::insert): New.
7649         (ipa_node_params_t::remove): Likewise.
7650         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
7651         copy known_csts and known_contexts vectors.
7652         (ipa_read_node_info): Adjust to descriptors being a pointer.
7653         (ipcp_modif_dom_walker): Make m_descriptors field garbage
7654         collected.
7655         (ipcp_transform_function): Make descriptors variable garbage
7656         collected.
7658 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
7660         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
7661         * config/i386/avx512dqintrin.h: Ditto.
7662         * config/i386/avx512fintrin.h: Ditto.
7663         * gcc/config/i386/i386.c: Handle new builtins.
7664         * config/i386/i386-builtin.def: Add new builtins.
7665         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
7666         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
7668 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
7669             Martin Liska  <mliska@suse.cz>
7671         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
7672         * asan.c (asan_expand_poison_ifn): Support stores and use
7673         appropriate ASAN report function.
7674         * internal-fn.c (expand_ASAN_POISON_USE): New function.
7675         * internal-fn.def (ASAN_POISON_USE): Declare.
7676         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
7677         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
7678         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
7679         ASAN_POISON calls w/o LHS.
7680         * tree-ssa.c (execute_update_addresses_taken): Create clobber
7681         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
7682         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
7683         * gimplify.c (asan_poison_variables): Add attribute
7684         use_after_scope_memory to variables that really needs to live
7685         in memory.
7686         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
7687         having the attribute.
7689 2017-01-23  Martin Liska  <mliska@suse.cz>
7691         * asan.c (create_asan_shadow_var): New function.
7692         (asan_expand_poison_ifn): Likewise.
7693         * asan.h (asan_expand_poison_ifn): New declaration.
7694         * internal-fn.c (expand_ASAN_POISON): Likewise.
7695         * internal-fn.def (ASAN_POISON): New builtin.
7696         * sanopt.c (pass_sanopt::execute): Expand
7697         asan_expand_poison_ifn.
7698         * tree-inline.c (copy_decl_for_dup_finish): Make function
7699         external.
7700         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
7701         * tree-ssa.c (is_asan_mark_p): New function.
7702         (execute_update_addresses_taken): Rewrite local variables
7703         (identified just by use-after-scope as addressable) into SSA.
7705 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7707         * doc/install.texi (Specific): opensource.apple.com uses https
7708         now. Remove trailing slash.
7710 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
7712         * README.Portability: Remove note on an Irix compatibility issue.
7714 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
7716         * gcov.c (INCLUDE_ALGORITHM): Define.
7717         (INCLUDE_VECTOR): Define.
7718         No longer include <vector> and <algorithm> directly.
7720 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
7722         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
7723         to https.
7724         * doc/invoke.texi (Code Gen Options): Ditto.
7726 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
7728         PR lto/78407
7729         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
7731 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7733         rtl-optimization/79125
7734         * cprop.c (local_cprop_pass): Handle cases where we make an
7735         unconditional trap.
7737 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
7739         PR target/61729
7740         PR target/77850
7741         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
7742         read from, for big endian.
7744 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
7746         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
7747         register pauth builtins for LP64 only.
7749 2017-01-20  Marek Polacek  <polacek@redhat.com>
7751         PR c/79152
7752         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
7753         non-case labels.
7755 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7757         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
7758         of safelen status.
7759         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
7760         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
7761         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
7763 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7765         PR target/71270
7766         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
7767         in big-endian mode when they are not a single duplicated value.
7769 2017-01-20  Richard Biener  <rguenther@suse.de>
7771         * BASE-VER: Bump to 7.0.1.
7773 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
7775         * omp-low.c (omplow_simd_context): New struct.  Use it...
7776         (lower_rec_simd_input_clauses): ...here and...
7777         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
7778         references to idx, lane, max_vf, is_simt.
7780 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
7782         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
7783         mcpu=nps400.
7785 2017-01-20  Martin Jambor  <mjambor@suse.cz>
7787         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
7788         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
7789         gt-hsa-common.h.
7790         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
7791         (GTFILES): Rename hsa.c to hsa-common.c.
7792         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
7793         * hsa-dump.c: Likewise.
7794         * hsa-gen.c: Likewise.
7795         * hsa-regalloc.c: Likewise.
7796         * ipa-hsa.c: Likewise.
7797         * omp-expand.c: Likewise.
7798         * omp-low.c: Likewise.
7799         * toplev.c: Likewise.
7801 2017-01-20  Marek Polacek  <polacek@redhat.com>
7803         PR c/64279
7804         * doc/invoke.texi: Document -Wduplicated-branches.
7805         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
7806         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
7807         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
7808         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
7809         return 0 only when not OEP_LEXICOGRAPHIC.
7810         (fold_build_cleanup_point_expr): Use the expression
7811         location when building CLEANUP_POINT_EXPR.
7812         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
7813         * tree.c (add_expr): Handle error_mark_node.
7815 2017-01-20  Martin Liska  <mliska@suse.cz>
7817         PR lto/69188
7818         * tree-profile.c (init_ic_make_global_vars): Do not call
7819         finalize_decl.
7820         (gimple_init_gcov_profiler): Likewise.
7822 2017-01-20  Martin Liska  <mliska@suse.cz>
7824         PR ipa/71190
7825         * cgraph.h (maybe_create_reference): Remove argument and
7826         update comment.
7827         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
7828         argument.
7829         * ipa-cp.c (create_specialized_node): Likewise.
7830         * symtab.c (symtab_node::maybe_create_reference): Handle
7831         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
7833 2017-01-20  Martin Liska  <mliska@suse.cz>
7835         * read-rtl-function.c (function_reader::create_function): Use
7836         build_decl instread of build_decl_stat.
7838 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
7840         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
7841         * config/i386/avx512dqintrin.h: Ditto.
7842         * config/i386/avx512fintrin.h: Ditto.
7843         * config/i386/i386-builtin-types.def: Add new types.
7844         * gcc/config/i386/i386.c: Handle new types.
7845         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
7846         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
7847         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
7848         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
7849         (__builtin_ia32_kshiftridi): New.
7850         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
7852 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
7854         PR target/78875
7855         PR target/79140
7856         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
7857         define to rs6000_init_stack_protect_guard.
7858         (rs6000_init_stack_protect_guard): New function.
7860 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7861             Yunqiang Su  <yunqiang.su@imgtec.com>
7863         * config.gcc (supported_defaults): Add madd4.
7864         (with_madd4): Add validation.
7865         (all_defaults): Add madd4.
7866         * config/mips/mips.opt (mmadd4): New option.
7867         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7868         mmadd4.
7869         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
7870         __mips_no_madd4.
7871         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
7872         (ISA_HAS_FUSED_MADD4): Likewise.
7873         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
7874         * gcc/doc/install.texi (--with-madd4): Document the new option.
7876 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7878         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
7879         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
7880         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
7881         (aarch64_init_pauth_hint_builtins): New.
7882         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
7883         (aarch64_expand_builtin): Expand new builtins.
7885 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7887         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
7888         * combine-stack-adj.c (no_unhandled_cfa): Handle
7889         REG_CFA_TOGGLE_RA_MANGLE.
7890         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
7891         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
7892         info for return address signing.
7893         (aarch64_expand_epilogue): Likewise.
7895 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7897         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
7898         * config/aarch64/aarch64-protos.h
7899         (aarch64_return_address_signing_enabled): New declaration.
7900         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
7901         New function.
7902         (aarch64_expand_prologue): Sign return address before it's pushed onto
7903         stack.
7904         (aarch64_expand_epilogue): Authenticate return address fetched from
7905         stack.
7906         (aarch64_override_options): Sanity check for ILP32 and ISA level.
7907         (aarch64_attributes): New function attributes for "sign-return-address".
7908         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
7909         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
7910         ("*do_return"): Generate combined instructions according to key index.
7911         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
7912         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
7913         iterators.
7914         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
7915         * config/aarch64/aarch64.opt (msign-return-address=): New.
7916         * doc/extend.texi (AArch64 Function Attributes): Documents
7917         "sign-return-address=".
7918         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
7920 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
7922         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
7923         overall option summary.
7925 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
7927         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
7928         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
7929         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
7930         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
7932 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
7934         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
7935         -mpower9-minmax by default for -mcpu=power9.
7936         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
7937         128-bit floating point.
7939 2017-01-20  Alan Modra  <amodra@gmail.com>
7941         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
7942         optimizing for size.
7944 2017-01-20  Alan Modra  <amodra@gmail.com>
7946         PR target/79144
7947         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
7948         for strcmp and strncmp from corresponding builtin decl.
7950 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7952         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
7953         instead of i386/rtems-64.h.
7954         * config/i386/rtems-64.h: Remove.
7956 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
7958         PR target/78478
7959         Revert:
7960         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
7962         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
7964 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
7966         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
7967         Change int to HOST_WIDE_INT.
7968         * config/aarch64/aarch64-protos.h
7969         (aarch64_simd_gen_const_vector_dup): Likewise.
7970         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
7972 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
7974         * langhooks-def.h (lhd_type_for_size): New decl.
7975         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
7976         * langhooks.c (lhd_type_for_size): New function, taken from
7977         lto_type_for_size.
7979 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
7981         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
7982         define_bypass for CR latency.
7983         (power9-cracked-alu): Update bypass latency and remove power9-branch.
7984         (power9-alu2): Add define_bypass for CR latency.
7985         (power9-cmp): New.
7986         (power9-mul): Update insn latency.
7987         (power9-mul-compare): Update insn latency, bypass latency and remove
7988         power9-branch.
7990 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7992         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
7993         Delete.
7994         * config/aarch64/aarch64.md
7995         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
7996         aarch64_nopcrelative_literal_loads.
7997         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
7999 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
8001         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
8002         TARGET_LOONGSON_3A.
8003         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
8005 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
8007         PR target/78176
8008         * config.gcc (supported_defaults): Add lxc1-sxc1.
8009         (with_lxc1_sxc1): Add validation.
8010         (all_defaults): Add lxc1-sxc1.
8011         * config/mips/mips.opt (mlxc1-sxc1): New option.
8012         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
8013         mlxc1-sxc1.
8014         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
8015         __mips_no_lxc1_sxc1.
8016         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
8017         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
8018         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
8020 2017-01-19  Richard Biener  <rguenther@suse.de>
8022         PR tree-optimization/72488
8023         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
8024         sure to restore SSA info.
8025         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
8027 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
8029         PR rtl-optimization/79121
8030         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
8031         of the inner type when shifting an extended value.
8033 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
8035         PR lto/78407
8036         * symtab.c (symtab_node::equal_address_to): Fix comparing of
8037         interposable aliases.
8039 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
8041         PR target/78516
8042         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
8043         Use the evmergelohi instruction.
8044         (mov_si<mode>_e500_subreg4_2_le): Likewise.
8045         (mov_sitf_e500_subreg8_2_be): Likewise.
8046         (mov_sitf_e500_subreg12_2_le): Likewise.
8047         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
8048         (mov_si<mode>_e500_subreg4_2_be): Likewise.
8049         (mov_sitf_e500_subreg8_2_le): Likewise.
8050         (mov_sitf_e500_subreg12_2_be): Likewise.
8052 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8054         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
8055         attribute from vecsimple to vecperm.
8056         (altivec_vbpermq2): Likewise.
8058 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8060         PR target/79040
8061         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
8063 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8064         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
8065         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
8066         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
8067         case where N arg is SIZE_MAX.
8068         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
8069         (cmpstrsi): Add pattern.
8071 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
8073         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8074         __builtin_vec_revb builtins.
8075         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
8076         built-in functions to support generation of the ISA 3.0 XXBR<x>
8077         vector byte reverse instructions.
8078         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
8079         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
8080         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
8081         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
8082         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
8083         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
8084         (P9V_BUILTIN_VEC_REVB): Likewise.
8085         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
8086         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
8087         (p9_xxbrq_v16qi): Likewise.
8088         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
8089         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
8090         (p9_xxbrh_v8hi): Likewise.
8091         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
8092         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
8093         vec_revb built-in functions.
8095 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
8097         PR rtl-optimization/78952
8098         * config/i386/i386.md (any_extract): New code iterator.
8099         (*insvqi_2): Use any_extract for source operand.
8100         (*insvqi_3): Use any_shiftrt for source operand.
8102 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
8104         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
8105         New function.
8106         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
8108 2017-01-18  Matthias Klose  <doko@ubuntu.com>
8110         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
8112 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8114         * config/rs6000/altivec.h (vec_bperm): Change #define.
8115         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
8116         (altivec_vbpermq2): New define_insn.
8117         (altivec_vbpermd): Likewise.
8118         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
8119         function interface.
8120         (VBPERMD): Likewise.
8121         (VBPERM): New polymorphic function interface.
8122         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
8123         Add entries for P9V_BUILTIN_VEC_VBPERM.
8124         * doc/extend.texi: Add interfaces for vec_bperm.
8126 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8128         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
8129         first letter of error messages.
8130         (s390_resolve_overloaded_builtin): Likewise.
8131         * config/s390/s390.c (s390_expand_builtin): Likewise.
8132         (s390_invalid_arg_for_unprototyped_fn): Likewise.
8133         (s390_valid_target_attribute_inner_p): Likewise.
8134         * config/s390/s390.md ("tabort"): Likewise.
8136 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
8138         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
8139         (ISA_AVOID_DIV_HILO): New macro.
8140         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
8141         (ISA_HAS_DDIV): Likewise.
8143 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
8145         * doc/invoke.texi (fabi-version): Correct number of occurrences.
8147 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
8149         * doc/invoke.texi (fabi-version): Spelling fix.
8151 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
8153         PR c++/70182
8154         * doc/invoke.texi (fabi-version): Mention mangling fix for
8155         operator names.
8157 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
8159         PR c++/77489
8160         * doc/invoke.texi (fabi-version): Document discriminator mangling.
8162 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
8164         PR target/78875
8165         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
8166         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
8167         the new options.
8168         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
8169         flexible settings.
8170         (stack_protect_test): Ditto.
8171         * config/rs6000/rs6000.opt (mstack-protector-guard=,
8172         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
8173         options.
8174         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
8175         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
8176         -mstack-protector-guard-offset=.
8177         (RS/6000 and PowerPC Options): Ditto.
8179 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
8181         * config/i386/i386.h (MASK_CLASS_P): New define.
8182         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
8183         there are no registers from different register sets also when
8184         mask registers are used.  Update function comment.
8185         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
8186         to (*k/*r) and (*k/*km) alternatives.
8188 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
8190         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
8191         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
8192         (EH_RETURN_HANDLER_RTX): New define.
8193         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
8194         Force frame pointer in EH return functions.
8195         (aarch64_expand_epilogue): Add barrier for eh_return.
8196         (aarch64_final_eh_return_addr): Remove.
8197         (aarch64_eh_return_handler_rtx): New function.
8198         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
8199         Remove.
8200         (aarch64_eh_return_handler_rtx): New prototype.
8202 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8204         * config/rs6000/altivec.h (vec_rlmi): New #define.
8205         (vec_vrlnm): Likewise.
8206         (vec_rlnm): Likewise.
8207         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
8208         (UNSPEC_VRLNM): Likewise.
8209         (VIlong): New mode iterator.
8210         (altivec_vrl<VI_char>mi): New define_insn.
8211         (altivec_vrl<VI_char>nm): Likewise.
8212         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
8213         function entry.
8214         (VRLDNM): Likewise.
8215         (RLNM): New polymorphic function entry.
8216         (VRLWMI): New monomorphic function entry.
8217         (VRLDMI): Likewise.
8218         (RLMI): New polymorphic function entry.
8219         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
8220         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
8221         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
8222         vec_vrlnm.
8224 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
8226         PR debug/78839
8227         * dwarf2out.c (field_byte_offset): Restore the
8228         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
8229         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
8230         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
8231         of build2 + fold.
8233 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8235         PR ada/67205
8236         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
8238 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
8240         PR debug/71669
8241         * dwarf2out.c (add_data_member_location_attribute): For constant
8242         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
8243         instead of DW_AT_data_member_location, DW_AT_bit_offset and
8244         DW_AT_byte_size attributes.
8246 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8248         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
8249         after forcing to constant memory when the code model is medium.
8251 2017-01-17  Julia Koval  <julia.koval@intel.com>
8253         PR target/76731
8254         * config/i386/avx512fintrin.h
8255         (_mm512_i32gather_ps): Change __addr type to void const*.
8256         (_mm512_mask_i32gather_ps): Ditto.
8257         (_mm512_i32gather_pd): Ditto.
8258         (_mm512_mask_i32gather_pd): Ditto.
8259         (_mm512_i64gather_ps): Ditto.
8260         (_mm512_mask_i64gather_ps): Ditto.
8261         (_mm512_i64gather_pd): Ditto.
8262         (_mm512_mask_i64gather_pd): Ditto.
8263         (_mm512_i32gather_epi32): Ditto.
8264         (_mm512_mask_i32gather_epi32): Ditto.
8265         (_mm512_i32gather_epi64): Ditto.
8266         (_mm512_mask_i32gather_epi64): Ditto.
8267         (_mm512_i64gather_epi32): Ditto.
8268         (_mm512_mask_i64gather_epi32): Ditto.
8269         (_mm512_i64gather_epi64): Ditto.
8270         (_mm512_mask_i64gather_epi64): Ditto.
8271         (_mm512_i32scatter_ps): Change __addr type to void*.
8272         (_mm512_mask_i32scatter_ps): Ditto.
8273         (_mm512_i32scatter_pd): Ditto.
8274         (_mm512_mask_i32scatter_pd): Ditto.
8275         (_mm512_i64scatter_ps): Ditto.
8276         (_mm512_mask_i64scatter_ps): Ditto.
8277         (_mm512_i64scatter_pd): Ditto.
8278         (_mm512_mask_i64scatter_pd): Ditto.
8279         (_mm512_i32scatter_epi32): Ditto.
8280         (_mm512_mask_i32scatter_epi32): Ditto.
8281         (_mm512_i32scatter_epi64): Ditto.
8282         (_mm512_mask_i32scatter_epi64): Ditto.
8283         (_mm512_i64scatter_epi32): Ditto.
8284         (_mm512_mask_i64scatter_epi32): Ditto.
8285         (_mm512_i64scatter_epi64): Ditto.
8286         (_mm512_mask_i64scatter_epi64): Ditto.
8287         * config/i386/avx512pfintrin.h
8288         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
8289         (_mm512_mask_prefetch_i32gather_ps): Ditto.
8290         (_mm512_mask_prefetch_i64gather_pd): Ditto.
8291         (_mm512_mask_prefetch_i64gather_ps): Ditto.
8292         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
8293         (_mm512_prefetch_i32scatter_ps): Ditto.
8294         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
8295         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
8296         (_mm512_prefetch_i64scatter_pd): Ditto.
8297         (_mm512_prefetch_i64scatter_ps): Ditto.
8298         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
8299         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
8300         * config/i386/avx512vlintrin.h
8301         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
8302         (_mm_mmask_i32gather_ps): Ditto.
8303         (_mm256_mmask_i32gather_pd): Ditto.
8304         (_mm_mmask_i32gather_pd): Ditto.
8305         (_mm256_mmask_i64gather_ps): Ditto.
8306         (_mm_mmask_i64gather_ps): Ditto.
8307         (_mm256_mmask_i64gather_pd): Ditto.
8308         (_mm_mmask_i64gather_pd): Ditto.
8309         (_mm256_mmask_i32gather_epi32): Ditto.
8310         (_mm_mmask_i32gather_epi32): Ditto.
8311         (_mm256_mmask_i32gather_epi64): Ditto.
8312         (_mm_mmask_i32gather_epi64): Ditto.
8313         (_mm256_mmask_i64gather_epi32): Ditto.
8314         (_mm_mmask_i64gather_epi32): Ditto.
8315         (_mm256_mmask_i64gather_epi64): Ditto.
8316         (_mm_mmask_i64gather_epi64): Ditto.
8317         (_mm256_i32scatter_ps): Change __addr type to void*.
8318         (_mm256_mask_i32scatter_ps): Ditto.
8319         (_mm_i32scatter_ps): Ditto.
8320         (_mm_mask_i32scatter_ps): Ditto.
8321         (_mm256_i32scatter_pd): Ditto.
8322         (_mm256_mask_i32scatter_pd): Ditto.
8323         (_mm_i32scatter_pd): Ditto.
8324         (_mm_mask_i32scatter_pd): Ditto.
8325         (_mm256_i64scatter_ps): Ditto.
8326         (_mm256_mask_i64scatter_ps): Ditto.
8327         (_mm_i64scatter_ps): Ditto.
8328         (_mm_mask_i64scatter_ps): Ditto.
8329         (_mm256_i64scatter_pd): Ditto.
8330         (_mm256_mask_i64scatter_pd): Ditto.
8331         (_mm_i64scatter_pd): Ditto.
8332         (_mm_mask_i64scatter_pd): Ditto.
8333         (_mm256_i32scatter_epi32): Ditto.
8334         (_mm256_mask_i32scatter_epi32): Ditto.
8335         (_mm_i32scatter_epi32): Ditto.
8336         (_mm_mask_i32scatter_epi32): Ditto.
8337         (_mm256_i32scatter_epi64): Ditto.
8338         (_mm256_mask_i32scatter_epi64): Ditto.
8339         (_mm_i32scatter_epi64): Ditto.
8340         (_mm_mask_i32scatter_epi64): Ditto.
8341         (_mm256_i64scatter_epi32): Ditto.
8342         (_mm256_mask_i64scatter_epi32): Ditto.
8343         (_mm_i64scatter_epi32): Ditto.
8344         (_mm_mask_i64scatter_epi32): Ditto.
8345         (_mm256_i64scatter_epi64): Ditto.
8346         (_mm256_mask_i64scatter_epi64): Ditto.
8347         (_mm_i64scatter_epi64): Ditto.
8348         (_mm_mask_i64scatter_epi64): Ditto.
8349         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
8350         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
8351         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
8352         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
8353         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
8354         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
8355         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
8356         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
8357         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
8358         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
8359         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
8360         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
8361         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
8362         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
8363         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
8364         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
8365         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
8366         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
8367         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
8368         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
8369         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
8370         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
8371         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
8372         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
8373         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
8374         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
8375         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
8376         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
8377         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
8378         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
8379         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
8380         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
8381         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
8382         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
8383         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
8384         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
8385         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
8386         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
8387         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
8388         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
8389         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
8390         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
8391         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
8392         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
8393         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
8394         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
8395         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
8396         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
8397         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
8398         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
8399         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
8400         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
8401         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
8402         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
8403         definitions accordingly.
8405 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
8406             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
8408         PR target/79079
8409         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
8410         gen_lowpart.
8412 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
8414         PR target/79058
8415         * ira-conflicts.c (ira_build_conflicts): Update total conflict
8416         hard regs for inner regno.
8418 2017-01-17  Martin Liska  <mliska@suse.cz>
8420         PR ipa/71207
8421         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
8422         assumption and add comment.
8424 2017-01-17  Nathan Sidwell  <nathan@acm.org>
8426         * ipa-visibility.c (localize_node): New function, broken out of ...
8427         (function_and_variable_visibility): ... here. Call it.
8429 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
8431         PR middle-end/77445
8432         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
8433         correctly set frequency of oudgoing edge.
8434         (duplicate_thread_path): Fix profile updating.
8436 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
8438         PR other/79046
8439         * configure.ac: Add GCC_BASE_VER.
8440         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
8441         version from BASE-VER file.
8442         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
8443         (gcc.o): Depend on $(BASEVER).
8444         * common.opt (dumpfullversion): New option.
8445         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
8446         * doc/invoke.texi: Document -dumpfullversion.
8447         * doc/install.texi: Document --with-gcc-major-version-only.
8448         * configure: Regenerated.
8450 2017-01-17  Richard Biener  <rguenther@suse.de>
8452         PR tree-optimization/71433
8453         * tree-vrp.c (register_new_assert_for): Merge same asserts
8454         on all incoming edges.
8455         (process_assert_insertions_for): Handle insertions at the
8456         beginning of BBs.
8458 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
8460         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
8461         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
8463 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
8465         PR target/78633
8466         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
8467         RTL sharing.
8469 2017-01-17  Alan Modra  <amodra@gmail.com>
8471         PR target/79066
8472         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
8473         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
8474         symbolic stack limit when pic.
8476 2017-01-16  Martin Sebor  <msebor@redhat.com>
8478         PR tree-optimization/78608
8479         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
8481 2017-01-16  Jeff Law  <law@redhat.com>
8483         Revert:
8484         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
8485         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
8486         for several include directories that may be relative to sysroot.
8487         * config/i386/x-mingw32 (gplus_includedir): Define.
8488         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
8489         (native_system_includedir): Likewise.
8490         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
8491         override if TARGET_SYSTEM_ROOT is defined.
8492         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
8494         PR tree-optimization/79090
8495         PR tree-optimization/33562
8496         PR tree-optimization/61912
8497         PR tree-optimization/77485
8498         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
8499         and computed trims into the dump file.
8501 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
8503         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
8505 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
8507         PR c/79089
8508         * gimplify.c (gimplify_init_constructor): If want_value and
8509         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
8510         fix.
8512         PR target/79080
8513         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
8514         sequence.  Formatting fixes.
8515         (doloop_optimize): Formatting fixes.
8517         PR driver/49726
8518         * gcc.c (debug_level_greater_than_spec_func): New function.
8519         (static_spec_functions): Add debug-level-gt spec function.
8520         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
8521         !g0.
8522         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
8523         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
8524         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
8525         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
8526         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
8527         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
8529 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
8531         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
8532         QImode fixups to general and mask registers only.
8534 2017-01-16  Carl Love  <cel@us.ibm.com>
8536         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
8537         for built-in functions
8538         vector signed char vec_nabs (vector signed char)
8539         vector signed short vec_nabs (vector signed short)
8540         vector signed int vec_nabs (vector signed int)
8541         vector signed long long vec_nabs (vector signed long long)
8542         vector float vec_nabs (vector float)
8543         vector double vec_nabs (vector double)
8544         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
8545         and NABS overload.
8546         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
8547         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
8548         * doc/extend.texi: Update the documentation file for the new built-in
8549         functions.
8551 2017-01-16  Martin Sebor  <msebor@redhat.com>
8553         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
8554         message.
8556 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8558         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
8559         UNSPEC_VSX__XXSPLTD to require special splat handling.
8561 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
8563         PR bootstrap/78616
8564         * system.h: Poison strndup.
8566 2017-01-16  Alan Modra  <amodra@gmail.com>
8568         PR target/79098
8569         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
8570         use a switch.
8572 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
8574         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
8576 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
8578         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
8579         call recog here.  Assert that INSN_CODE (insn) is non-negative.
8581 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
8583         PR target/72749
8584         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
8585         fallthrough.
8586         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
8587         in the currently scheduled RTL fragment.
8589 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
8591         PR rtl-optimization/78751
8592         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
8593         give up.
8595 2017-01-14  Jeff Law  <law@redhat.com>
8597         PR tree-optimization/79090
8598         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
8599         variable length stores.
8600         (compute_trims): Delete dead assignment to *trim_tail.
8601         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
8602         zero length.
8604 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
8606         PR rtl-optimization/78626
8607         PR rtl-optimization/78727
8608         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
8609         of a block, and split such blocks after everything else is finished.
8611 2017-01-14  Alan Modra  <amodra@gmail.com>
8613         PR target/72749
8614         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
8615         target legitimate_combined_insn.
8616         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
8617         (rs6000_legitimate_combined_insn): New function.
8618         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
8619         all uses.
8620         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
8621         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
8622         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
8624 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
8626         * doc/frontends.texi (G++ and GCC): Remove references to Java.
8628 2017-01-13  Jeff Law  <law@redhat.com>
8630         PR tree-optimization/33562
8631         PR tree-optimization/61912
8632         PR tree-optimization/77485
8633         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
8634         a statement.
8635         (delete_dead_assignment): Likewise.
8636         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
8637         statement to delete_dead_call and delete_dead_assignment.
8639 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
8641         PR c/78304
8642         * substring-locations.c (format_warning_va): Strengthen case 1 so
8643         that both endpoints of the substring must be within the format
8644         range for just the substring to be printed.
8646 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
8648         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
8649         * config/i386/i386.c (ix86_target_string): Add missing options
8650         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
8651         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
8652         flags_other and ix86_target_other to flags2_other.  Display unknown
8653         isa2 options.
8654         (ix86_valid_target_attribute_inner_p): Add missing options and
8655         reorder options by implied ISAs, as in ix86_target_string.
8657 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8659         * hash-table.h (hash_table::too_empty_p): New function.
8660         (hash_table::expand): Use it.
8661         (hash_table::traverse): Likewise.
8662         (hash_table::empty_slot): Use sizeof (value_type) instead of
8663         sizeof (PTR) to convert bytes to elements.  Shrink the table
8664         if the current size is excessive for the current number of
8665         elements.
8667 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
8669         * ira-costs.c (record_reg_classes): Break from the inner loop
8670         early once alt_fail is known to be true.  Update outer loop
8671         handling accordingly.
8673 2017-01-13  Jeff Law  <law@redhat.com>
8675         * tree-ssa-dse.c (decrement_count): New function.
8676         (increment_start_addr, maybe_trim_memstar_call): Likewise.
8677         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
8678         when we know the partially dead statement is a mem* function.
8680         PR tree-optimization/61912
8681         PR tree-optimization/77485
8682         * tree-ssa-dse.c: Include expr.h.
8683         (maybe_trim_constructor_store): New function.
8684         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
8686         PR tree-optimization/33562
8687         PR tree-optimization/61912
8688         PR tree-optimization/77485
8689         * doc/invoke.texi: Document new dse-max-object-size param.
8690         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
8691         * tree-ssa-dse.c: Include params.h.
8692         (dse_store_status): New enum.
8693         (initialize_ao_ref_for_dse): New, partially extracted from
8694         dse_optimize_stmt.
8695         (valid_ao_ref_for_dse, normalize_ref): New.
8696         (setup_live_bytes_from_ref, compute_trims): Likewise.
8697         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
8698         (maybe_trim_partially_dead_store): Likewise.
8699         (maybe_trim_complex_store): Likewise.
8700         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
8701         Track what bytes live from the original store.  Return tri-state
8702         for dead, partially dead or live.
8703         (dse_dom_walker): Add constructor, destructor and new private members.
8704         (delete_dead_call, delete_dead_assignment): New extracted from
8705         dse_optimize_stmt.
8706         (dse_optimize_stmt): Make a member of dse_dom_walker.
8707         Use initialize_ao_ref_for_dse.
8709         PR tree-optimization/33562
8710         PR tree-optimization/61912
8711         PR tree-optimization/77485
8712         * sbitmap.h (bitmap_count_bits): Prototype.
8713         (bitmap_clear_range, bitmap_set_range): Likewise.
8714         * sbitmap.c (bitmap_clear_range): New function.
8715         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
8717 2017-01-13  Martin Liska  <mliska@suse.cz>
8719         PR ipa/79043
8720         * function.c (set_cfun): Add new argument force.
8721         * function.h (set_cfun): Likewise.
8722         * ipa-inline-transform.c (inline_call): Use the function when
8723         strict alising from is dropped for function we inline to.
8725 2017-01-13  Richard Biener  <rguenther@suse.de>
8727         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
8728         for dumping GIMPLE INTEGER_CSTs.
8730 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8732         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
8733         to 201112L since C++17.
8735 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8737         PR sanitizer/78887
8738         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
8739         if -fsanitize=kernel-address is present.
8741 2017-01-13  Richard Biener  <rguenther@suse.de>
8743         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
8744         as _Literal ( type ) number in case usual suffixes do not
8745         preserve all information.
8747 2017-01-13  Richard Biener  <rguenther@suse.de>
8749         PR tree-optimization/77283
8750         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
8751         and ssa-iterators.h.
8752         (is_feasible_trace): Implement a cost model based on joiner
8753         PHI node uses.
8755 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8757         PR target/79004
8758         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
8759         char or short to __float128/_Float128 directly.
8761 2017-01-12  Martin Sebor  <msebor@redhat.com>
8763         to -Wformat-overflow.
8764         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
8765         (min_bytes_remaining): Same.
8766         (get_string_length): Same.
8767         (format_string): Same.
8768         (format_directive): Same.
8769         (add_bytes): Same.
8770         (pass_sprintf_length::handle_gimple_call): Same.
8772 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
8774         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
8775         info.nowrite calls with no lhs that can't throw.  Return bool
8776         whether gsi_remove has been called or not.
8777         (pass_sprintf_length::handle_gimple_call): Return bool whether
8778         try_substitute_return_value called gsi_remove.  Formatting fix.
8779         (pass_sprintf_length::execute): Don't use gsi_remove if
8780         handle_gimple_call returned true.
8782         PR bootstrap/79069
8783         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
8784         be removed due to side-effects, don't remove following barrier nor
8785         turn the successor edge into fallthru edge.
8787 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8789         PR target/79044
8790         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
8791         element-reversing loads and stores as not swappable.
8793 2017-01-12  Nathan Sidwell  <nathan@acm.org>
8794             Nicolai Stange  <nicstange@gmail.com>
8796         * combine.c (try_combine): Don't ignore result of overlap checking
8797         loop.  Combine overlap & asm check into single loop.
8799 2017-01-12  Richard Biener  <rguenther@suse.de>
8801         * tree-pretty-print.c (dump_generic_node): Provide -gimple
8802         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
8804 2017-01-12  Richard Biener  <rguenther@suse.de>
8806         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
8807         and TS_TARGET_OPTION directly derive from TS_BASE.
8808         * tree-core.h (tree_optimization_option): Derive from tree_base.
8809         (tree_target_option): Likewise.
8811 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
8813         * config/i386/i386.c (memory_address_length): Increase len
8814         only when rip_relative_addr_p returns false.
8816 2017-01-11  Julia Koval  <julia.koval@intel.com>
8818         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
8819         (OPTION_MASK_ISA_SGX_SET): New.
8820         (ix86_handle_option): Handle OPT_msgx.
8821         * config.gcc: Added sgxintrin.h.
8822         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
8823         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
8824         * config/i386/i386.c (ix86_target_string): Add -msgx.
8825         (PTA_SGX): New.
8826         (ix86_option_override_internal): Handle new options.
8827         (ix86_valid_target_attribute_inner_p): Add sgx.
8828         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
8829         * config/i386/i386.opt: Add msgx.
8830         * config/i386/sgxintrin.h: New file.
8831         * config/i386/x86intrin.h: Add sgxintrin.h.
8833 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8835         PR c++/71537
8836         * fold-const.c (maybe_nonzero_address): Return 1 for function
8837         local objects.
8838         (tree_single_nonzero_warnv_p): Don't handle function local objects
8839         here.
8841         PR c++/72813
8842         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
8843         of c-header.
8845 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
8847         PR driver/78877
8848         * opts.c: Include "spellcheck.h"
8849         (struct string_fragment): New struct.
8850         (struct edit_distance_traits<const string_fragment &>): New
8851         struct.
8852         (get_closest_sanitizer_option): New function.
8853         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
8855 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
8857         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
8858         by 12.
8859         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
8860         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
8861         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
8862         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
8863         for initial die_offset if dwarf_split_debug_info.
8864         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
8865         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
8866         fields.
8867         (output_skeleton_debug_sections): Formatting fix.  Use
8868         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
8869         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
8871 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
8873         * config/arm/cortex-a53.md: Add bypasses for
8874         cortex_a53_r2f_cvt.
8875         (cortex_a53_r2f): Only use for transfers.
8876         (cortex_a53_f2r): Likewise.
8877         (cortex_a53_r2f_cvt): Add reservation for conversions.
8878         (cortex_a53_f2r_cvt): Likewise.
8880 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
8882         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
8883         to all inlined functions, change static to extern.
8885 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
8887         PR target/78253
8888         * config/arm/arm.c (legitimize_pic_address): Handle reference to
8889         weak symbol.
8890         (arm_assemble_integer): Likewise.
8892 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
8894         * config.gcc: Use new awk script to check CPU, FPU and architecture
8895         parameters for --with-... options.
8896         * config/arm/parsecpu.awk: New file
8897         * config/arm/arm-cpus.in: New file.
8898         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
8899         files.
8900         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
8901         files.
8902         * config/arm/t-arm: Update dependency rules.
8903         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
8904         of processing .def files.
8905         * config/arm/genopt.sh: Deleted.
8906         * config/arm/gentune.sh: Deleted.
8907         * config/arm/arm-cores.def: Deleted.
8908         * config/arm/arm-arches.def: Deleted.
8909         * config/arm/arm-fpus.def: Deleted.
8910         * config/arm/arm-tune.md: Regenerated.
8911         * config/arm/arm-tables.opt: Regenerated.
8912         * config/arm/arm-cpu.h: New generated file.
8913         * config/arm/arm-cpu-data.h: New generated file.
8914         * config/arm/arm-cpu-cdata.h: New generated file.
8916 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
8918         PR lto/79042
8919         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
8920         bit.
8921         (input_varpool_node): Unpack dynamically_initialized bit.
8923 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
8925         PR rtl-optimization/79032
8926         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
8927         the alignment of the adjusted memory reference against that of MODE,
8928         instead of the alignment of the original memory reference.
8930 2017-01-11  Martin Jambor  <mjambor@suse.cz>
8932         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
8933         test.
8934         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
8935         decorated functions.
8937 2017-01-11  Richard Biener  <rguenther@suse.de>
8939         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
8940         set range/nonnull info for PHI results.  Do not set it on
8941         stmts marked for removal.
8943 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
8945         * expr.c (store_field): In the bitfield case, fetch the return value
8946         from the registers before applying a single big-endian adjustment.
8947         Always do a final load for a BLKmode value not larger than a word.
8949 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
8951         PR c++/77949
8952         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8953         that we correctly handle column numbers greater than
8954         LINE_MAP_MAX_COLUMN_NUMBER.
8956 2017-01-10  Martin Sebor  <msebor@redhat.com>
8958         PR middle-end/78245
8959         * gimple-ssa-sprintf.c (get_destination_size): Call
8960         {init,fini}object_sizes.
8961         * tree-object-size.c (addr_object_size): Adjust.
8962         (pass_through_call): Adjust.
8963         (pass_object_sizes::execute): Adjust.
8964         * tree-object-size.h (fini_object_sizes): Declare.
8966 2017-01-10  Martin Sebor  <msebor@redhat.com>
8968         PR tree-optimization/78775
8969         * builtins.c (get_size_range): Move...
8970         * calls.c: ...to here.
8971         (alloc_max_size): Accept zero argument.
8972         (operand_signed_p): Remove.
8973         (maybe_warn_alloc_args_overflow): Call get_size_range.
8974         * calls.h (get_size_range): Declare.
8976 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
8978         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
8979         from TI's devices.csv file as of September 2016.
8980         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
8982 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
8984         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
8985         * doc/invoke.texi: Likewise.
8986         * doc/md.texi: Likewise.
8987         * doc/objc.texi: Likewise.
8989 2017-01-10  Joshua Conner  <joshconner@google.com>
8991         * config/arm/fuchsia-elf.h: New file.
8992         * config/fuchsia.h: New file.
8993         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
8994         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
8995         targets.
8996         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
8998 2016-01-10  Richard Biener  <rguenther@suse.de>
9000         PR tree-optimization/79034
9001         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
9002         Propagate out degenerate PHIs in the joiner.
9004 2017-01-10  Martin Liska  <mliska@suse.cz>
9006         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
9007         (sort_congruence_classes_by_decl_uid): Likewise.
9008         (sort_congruence_class_groups_by_decl_uid): Likewise.
9009         (sem_item_optimizer::merge_classes): Sort class, groups in these
9010         classes and members in the groups by DECL_UID of declarations.
9011         This would make merge operations stable.
9013 2017-01-10  Martin Liska  <mliska@suse.cz>
9015         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
9016         usage of m_classes_vec.
9017         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
9018         (sem_item_optimizer::get_group_by_hash): Likewise.
9019         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
9020         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
9021         (sem_item_optimizer::verify_classes): Likewise.
9022         (sem_item_optimizer::process_cong_reduction): Likewise.
9023         (sem_item_optimizer::dump_cong_classes): Likewise.
9024         (sem_item_optimizer::merge_classes): Likewise.
9025         * ipa-icf.h (congruence_class_hash): Rename from
9026         congruence_class_group_hash.  Remove declaration of m_classes_vec.
9028 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
9030         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
9031         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
9032         * config.gcc: Add avx512vpopcntdqintrin.h.
9033         * config/i386/avx512vpopcntdqintrin.h: New.
9034         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
9035         * config/i386/i386-builtin-types.def: Add new types.
9036         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
9037         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
9038         __builtin_ia32_vpopcountq_v8di_mask): New.
9039         * config/i386/i386-c.c (ix86_target_macros_internal): Define
9040         __AVX512VPOPCNTDQ__.
9041         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
9042         (PTA_AVX512VPOPCNTDQ): Define.
9043         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
9044         TARGET_AVX512VPOPCNTDQ_P): Define.
9045         * config/i386/i386.opt: Add mavx512vpopcntdq.
9046         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
9047         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
9049 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9051         PR middle-end/77484
9052         * predict.def (PRED_CALL): Set to 67.
9054 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9056         * expr.c (store_field): In the bitfield case, if the value comes from
9057         a function call and is of an aggregate type returned in registers, do
9058         not modify the field mode; extract the value in all cases if the mode
9059         is BLKmode and the size is not larger than a word.
9061 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
9063         PR target/71017
9064         * config/i386/cpuid.h: Fix undefined behavior.
9066 2017-01-04  Jeff Law  <law@redhat.com>
9068         PR tree-optimization/79007
9069         PR tree-optimization/67955
9070         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
9071         conservative for pt.null when flag_non_call_exceptions is on.
9073 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
9075         PR translation/79019
9076         PR translation/79020
9077         * params.def (PARAM_INLINE_MIN_SPEEDUP,
9078         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
9079         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
9080         in descriptions.
9081         * config/avr/avr.opt (maccumulate-args): Likewise.
9082         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
9083         * common.opt (freport-bug): Likewise.
9084         * cif-code.def (CIF_FINAL_ERROR): Likewise.
9085         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
9086         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
9087         translatable string.
9088         * config/i386/i386.c (function_value_32): Likewise.
9089         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
9090         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
9091         Likewise.
9092         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
9093         * common/config/msp430/msp430-common.c (msp430_handle_option):
9094         Likewise.
9095         * symtab.c (symtab_node::verify_base): Likewise.
9096         * opts.c (set_debug_level): Likewise.
9097         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
9098         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
9099         missing whitespace to translatable strings.
9100         * config/avr/avr.md (bswapsi2): Fix typo in comment.
9101         * config/sh/superh.h: Likewise.
9102         * config/i386/xopintrin.h: Likewise.
9103         * config/i386/znver1.md: Likewise.
9104         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
9105         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
9106         * double-int.h (struct double_int): Likewise.
9107         * double-int.c (div_and_round_double): Likewise.
9108         * wide-int.cc: Likewise.
9109         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
9110         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
9111         * cfgcleanup.c (crossjumps_occured): Renamed to ...
9112         (crossjumps_occurred): ... this.
9113         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
9114         Adjust all uses.
9116         PR tree-optimization/78899
9117         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
9118         returning bool return struct loop *, NULL for failure and the new
9119         loop on success.
9120         (versionable_outer_loop_p): Don't version outer loop if it has
9121         dont_vectorized bit set.
9122         (tree_if_conversion): When versioning outer loop, ensure
9123         tree_if_conversion is performed also on the inner loop of the
9124         non-vectorizable outer loop copy.
9125         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
9126         LOOP_VECTORIZED in inner loop of the scalar outer loop and
9127         prevent vectorization of it.
9128         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
9129         the outer loop vectorization of the non-scalar version is attempted
9130         before vectorization of the inner loop in scalar version.  If
9131         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
9132         vectorization of its inner loop.
9133         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
9134         has 2 inner loops, rename also on edges from bb whose single pred
9135         is outer_loop->header.  Fix typo in function comment.
9137 2017-01-09  Martin Sebor  <msebor@redhat.com>
9139         PR bootstrap/79033
9140         * asan.c (asan_emit_stack_protection): Increase local buffer size
9141         to avoid snprintf truncation warning.
9143 2017-01-09  Andrew Pinski  <apinski@cavium.com>
9145         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
9146         to reference thunderx2t99 for the tuning structure
9147         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
9148         Rename to ...
9149         (thunderx2t99_extra_costs): This.
9150         * config/aarch64/aarch64-tune.md: Regenerate.
9151         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
9152         (vulcan_addrcost_table): This.
9153         (vulcan_regmove_cost): Rename to ...
9154         (thunderx2t99_regmove_cost): This.
9155         (vulcan_vector_cost): Rename to ...
9156         (thunderx2t99_vector_cost): this.
9157         (vulcan_branch_cost): Rename to ...
9158         (thunderx2t99_branch_cost): This.
9159         (vulcan_tunings): Rename to ...
9160         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
9161         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
9163 2017-01-09  Martin Jambor  <mjambor@suse.cz>
9165         PR ipa/78365
9166         PR ipa/78599
9167         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
9168         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
9169         (propagate_vr_accross_jump_function): Use the above function for all
9170         value range computations for pass-through jump functions and type
9171         converasion from explicit value range values.
9172         (ipcp_propagate_stage): Do not attempt to deduce types of formal
9173         parameters from TYPE_ARG_TYPES.
9174         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
9175         (ipa_write_node_info): Stream type of the actual argument.
9176         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
9178 2017-01-09  Martin Liska  <mliska@suse.cz>
9180         PR pch/78970
9181         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
9182         (lookup_compiler): Do not show error message with have_E.
9184 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
9186         PR tree-optimization/78938
9187         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
9188         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
9189         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
9190         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
9191         fixes.
9193 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9195         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
9196         is const0_rtx.
9198 2017-01-09  Richard Biener  <rguenther@suse.de>
9200         PR tree-optimization/78997
9201         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
9202         name condition properly.
9204 2017-01-09  Richard Biener  <rguenther@suse.de>
9206         PR debug/79000
9207         * dwarf2out.c (is_cxx): New overload with context.
9208         (is_naming_typedef_decl): Use it.
9210 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
9212         * invoke.texi (Option Summary): Correct spacing in option lists
9213         and add line breaks to fix over-long lines.
9215 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
9217         PR middle-end/17660
9219         * extend.texi (Common Variable Attributes): Add xref to GCC
9220         Internals manual to explain mode attribute keywords.
9222 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
9224         PR other/16519
9225         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
9226         and Preprocessor Options.
9227         (Options for Linking): Document -pthread here....
9228         (RS/6000 and PowerPC Options): ...not here.
9229         (Solaris 2 Options): ...or here.
9230         * doc/cppopts.texi: Document -pthread.
9232 2017-01-08  Martin Sebor  <msebor@redhat.com>
9234         PR middle-end/77708
9235         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
9236         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
9237         New member functions.
9238         (format_directive): Used them.
9239         (add_bytes): Same.
9240         (pass_sprintf_length::handle_gimple_call): Same.
9241         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
9242         to avoid truncation for any argument.
9243         (extract_affine_mul): Same.
9244         * tree.c (get_file_function_name): Same.
9246 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9248         PR middle-end/77484
9249         * predict.def (PRED_INDIR_CALL): Set to 86.
9251 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9253         PR preprocessor/54124
9254         * doc/cppopts.texi: Reformat -d subtable to list the full name
9255         of the options.  Add cross-reference to the docs for the general
9256         compiler -d options.
9257         * doc/invoke.texi (Developer Options): Add cross-reference to the
9258         preprocessor-specific -d option documentation.
9260 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9262         PR preprocessor/13498
9263         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
9264         redudant material, and reflect new command-line options.
9265         (System Headers): Likewise.
9267 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9269         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
9270         -isystem, and -idirafter.  Copy-edit.
9271         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
9272         default for -ftrack-macro-expansion.  Delete obsolete and
9273         badly-formatted implementation details about -fdebug-cpp output.
9274         * doc/cppwarnopts.texi: Copy-edit.
9276 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
9278         PR c++/72803
9279         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
9280         that the transition from a max line width >= 1<<10 to narrower
9281         lines works correctly.
9283 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
9285         * doc/options.texi (PerFunction): New.
9286         * opt-functions.awk (switch_flags): Map both Optimization and
9287         PerFunction to CL_OPTIMIZATION.
9288         * opth-gen.awk: Test for PerFunction flag along with
9289         Optimization.
9290         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
9291         it only when the latter is present.  Skip those that don't in
9292         the hash function generator.
9293         * common.opt (fvar-tracking): Mark as PerFunction instead of
9294         Optimization.
9295         (fvar-tracking-assignments): Likewise.
9296         (fvar-tracking-assignments-toggle): Likewise.
9297         (fvar-tracking-uninit): Likewise.
9299 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
9301         PR translation/79018
9302         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
9303         the and store.
9305 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
9307         PR target/57583
9308         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
9309         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
9310         TARGET_LONG_JUMP_TABLE_OFFSETS.
9311         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
9312         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
9313         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
9314         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
9315         * config/m68k/m68k.md (tablejump expander): Likewise.
9316         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
9317         TARGET_LONG_JUMP_TABLE_OFFSETS.
9318         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
9319         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
9321 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
9322             David Holsgrove <david.holsgrove@xilinx.com>
9324         * common/config/microblaze/microblaze-common.c
9325         (TARGET_EXCEPT_UNWIND_INFO): Remove.
9326         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
9327         New prototype.
9328         * config/microblaze/microblaze.c (microblaze_must_save_register)
9329         (microblaze_expand_epilogue, microblaze_return_addr): Handle
9330         calls_eh_return.
9331         (microblaze_eh_return): New function.
9332         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
9333         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
9334         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
9335         * config/microblaze/microblaze.md (eh_return): New pattern.
9337 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
9339         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
9340         GCC_DIAGNOSTIC_STRINGIFY): Define.
9342         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
9344 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9346         * config/arm/arm.md (<mcrr>): New.
9347         (<mrrc>): New.
9348         * config/arm/arm.c (arm_arch5te): New.
9349         (arm_option_override): Set arm_arch5te.
9350         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
9351         and mrrc2.
9352         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
9353         (arm_mcrr_qualifiers): ... this. New.
9354         (MRRC_QUALIFIERS): Define to...
9355         (arm_mrrc_qualifiers): ... this. New.
9356         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
9357         __arm_mrrc2): New.
9358         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
9359         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
9360         (MRRCI, mrrc, MRRC): New.
9361         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
9362         VUNSPEC_MRRC2): New.
9364 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9366         * config/arm/arm.md (<mcr>): New.
9367         (<mrc>): New.
9368         * config/arm/arm.c (arm_coproc_builtin_available): Add
9369         support for mcr, mrc, mcr2 and mrc2.
9370         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
9371         (arm_mcr_qualifiers): ... this. New.
9372         (MRC_QUALIFIERS): Define to ...
9373         (arm_mrc_qualifiers): ... this. New.
9374         (MCR_QUALIFIERS): Define to ...
9375         (arm_mcr_qualifiers): ... this. New.
9376         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
9377         __arm_mrc2): New.
9378         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
9379         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
9380         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
9381         VUNSPEC_MRC2): New.
9383 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9385         * config/arm/arm.md (*ldc): New.
9386         (*stc): New.
9387         (<ldc>): New.
9388         (<stc>): New.
9389         * config/arm/arm.c (arm_coproc_builtin_available): Add
9390         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
9391         (arm_coproc_ldc_stc_legitimate_address): New.
9392         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
9393         'qualifier_const_pointer'.
9394         (LDC_QUALIFIERS): Define to...
9395         (arm_ldc_qualifiers): ... this. New.
9396         (STC_QUALIFIERS): Define to...
9397         (arm_stc_qualifiers): ... this. New.
9398         * config/arm/arm-protos.h
9399         (arm_coproc_ldc_stc_legitimate_address): New.
9400         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
9401         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
9402         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
9403         stc2, stcl, stc2l): New.
9404         * config/arm/constraints.md (Uz): New.
9405         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
9406         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
9407         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
9408         VUNSPEC_STC2L): New.
9410 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9412         * config/arm/arm.md (<cdp>): New.
9413         * config/arm/arm.c (neon_const_bounds): Rename this ...
9414         (arm_const_bounds): ... this.
9415         (arm_coproc_builtin_available): New.
9416         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
9417         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
9418         (CDP_QUALIFIERS): Define to...
9419         (arm_cdp_qualifiers): ... this. New.
9420         (void_UP): Define.
9421         (arm_expand_builtin_args): Add case for 6 arguments.
9422         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
9423         (arm_const_bounds): ... this.
9424         (arm_coproc_builtin_available): New.
9425         * config/arm/arm_acle.h (__arm_cdp): New.
9426         (__arm_cdp2): New.
9427         * config/arm/arm_acle_builtins.def (cdp): New.
9428         (cdp2): New.
9429         * config/arm/iterators.md (CDPI,CDP,cdp): New.
9430         * config/arm/neon.md: Rename all 'neon_const_bounds' to
9431         'arm_const_bounds'.
9432         * config/arm/types.md (coproc): New.
9433         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
9434         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
9435         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
9436         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
9438 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9440         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
9441         (UBINOP_QUALIFIERS): New.
9442         (si_UP): Define.
9443         (acle_builtin_data): New. Change comment.
9444         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
9445         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
9446         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
9447         arm_acle_builtins.def.
9448         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
9449         (arm_init_acle_builtins): New.
9450         (CRC32_BUILTIN): Remove.
9451         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
9452         crc32cb, crc32ch and crc32cw.
9453         (arm_init_crc32_builtins): Remove.
9454         (arm_init_builtins): Use arm_init_acle_builtins rather
9455         than arm_init_crc32_builtins.
9456         (arm_expand_acle_builtin): New.
9457         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
9458         * config/arm/arm_acle_builtins.def: New.
9460 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9462         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
9463         (arm_builtin_datum): ... this.
9464         (arm_init_neon_builtin): Rename to ...
9465         (arm_init_builtin): ... this. Add a new parameters PREFIX
9466         and USE_SIG_IN_NAME.
9467         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
9468         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
9469         'arm_builtin_datum'.
9470         (arm_init_vfp_builtins): Likewise.
9471         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
9472         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
9473         (arm_expand_neon_args): Rename to ...
9474         (arm_expand_builtin_args): ... this. Rename builtin_arg
9475         enum values and differentiate between ARG_BUILTIN_MEMORY
9476         and ARG_BUILTIN_NEON_MEMORY.
9477         (arm_expand_neon_builtin_1): Rename to ...
9478         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
9479         values, arm_expand_builtin_args and add bool parameter NEON.
9480         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
9481         (arm_expand_vfp_builtin): Likewise.
9482         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
9484 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9486         PR middle-end/77484
9487         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
9488         * predict.c (tree_estimate_probability_bb): Reverse direction of
9489         polymorphic call predictor.
9491 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
9493         * passes.c (execute_one_pass): Split out pass-skipping logic into...
9494         (determine_pass_name_match): ...this new function and...
9495         (should_skip_pass_p): ...this new function.
9497 2017-01-06  Nathan Sidwell  <nathan@acm.org>
9499         * ipa-visibility.c (function_and_variable_visibility): Reformat
9500         comments and long lines.  Remove extrneous if.
9501         * symtab.c (symtab_node::make_decl_local): Fix code format.
9502         (symtab_node::set_section_for_node): Fix comment typo.
9504 2017-01-06  Martin Liska  <mliska@suse.cz>
9506         PR bootstrap/79003
9507         * lra-constraints.c: Rename invariant to lra_invariant.
9508         * predict.c (set_even_probabilities): Initialize e to NULL.
9510 2017-01-05  Martin Sebor  <msebor@redhat.com>
9512         PR tree-optimization/78910
9513         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
9514         (format_integer): Correct off-by-one error in the handling
9515         of precision with negative numbers in signed conversions..
9517 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
9519         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
9521 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
9523         PR tree-optimization/71016
9524         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
9525         factor_out_conditional_conversion.  Formatting fix.
9526         (factor_out_conditional_conversion): Add cond_stmt argument.
9527         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
9528         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
9529         Formatting fix.
9531 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
9533         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
9534         read-rtl-function.o, and selftest-rtl.o.
9535         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
9536         (selftest::aarch64_test_loading_full_dump): New function.
9537         (selftest::aarch64_run_selftests): New function.
9538         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
9539         selftest::aarch64_run_selftests.
9540         * config/i386/i386.c
9541         (selftest::ix86_test_loading_dump_fragment_1): New function.
9542         (selftest::ix86_test_loading_call_insn): New function.
9543         (selftest::ix86_test_loading_full_dump): New function.
9544         (selftest::ix86_test_loading_unspec): New function.
9545         (selftest::ix86_run_selftests): Call the new functions.
9546         * emit-rtl.c (maybe_set_max_label_num): New function.
9547         * emit-rtl.h (maybe_set_max_label_num): New decl.
9548         * function.c (instantiate_decls): Guard call to
9549         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
9550         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
9551         "static".
9552         * gensupport.c (gen_reader::gen_reader): Pass "false"
9553         for new "compact" param of rtx_reader.
9554         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
9555         rather than an empty string for NULL strings.
9556         * read-md.c: Potentially include config.h rather than bconfig.h.
9557         Wrap include of errors.h with #ifdef GENERATOR_FILE.
9558         (have_error): New global, copied from errors.c.
9559         (md_reader::read_name): Rename to...
9560         (md_reader::read_name_1): ...this, adding "out_loc" param,
9561         and converting "missing name or number" to returning false, rather
9562         than failing.
9563         (md_reader::read_name): Reimplement in terms of read_name_1.
9564         (md_reader::read_name_or_nil): New function.
9565         (md_reader::read_string): Handle "(nil)" by returning NULL.
9566         (md_reader::md_reader): Add new param "compact".
9567         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
9568         (md_reader::read_file): New method.
9569         * read-md.h (md_reader::md_reader): Add new param "compact".
9570         (md_reader::read_file): New method.
9571         (md_reader::is_compact): New accessor.
9572         (md_reader::read_name): Convert return type from void to file_location.
9573         (md_reader::read_name_or_nil): New decl.
9574         (md_reader::read_name_1): New decl.
9575         (md_reader::m_compact): New field.
9576         (noop_reader::noop_reader): Pass "false" for new "compact" param
9577         of rtx_reader.
9578         (rtx_reader::rtx_reader): Add new "compact" param.
9579         (rtx_reader::read_rtx_operand): Make virtual and convert return
9580         type from void to rtx.
9581         (rtx_reader::read_until): New decl.
9582         (rtx_reader::handle_any_trailing_information): New virtual function.
9583         (rtx_reader::postprocess): New virtual function.
9584         (rtx_reader::finalize_string): New virtual function.
9585         (rtx_reader::m_in_call_function_usage): New field.
9586         (rtx_reader::m_reuse_rtx_by_id): New field.
9587         * read-rtl-function.c: New file.
9588         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
9589         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
9590         (selftest::verify_three_block_rtl_cfg): New decl.
9591         * read-rtl-function.h: New file.
9592         * read-rtl.c: Potentially include config.h rather than bconfig.h.
9593         For host, include function.h, memmodel.h, and emit-rtl.h.
9594         (one_time_initialization): New function.
9595         (struct compact_insn_name): New struct.
9596         (compact_insn_names): New array.
9597         (find_code): Handle insn codes in compact dumps.
9598         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
9599         (bind_subst_iter_and_attr): Likewise.
9600         (add_condition_to_string): Likewise.
9601         (add_condition_to_rtx): Likewise.
9602         (apply_attribute_uses): Likewise.
9603         (add_current_iterators): Likewise.
9604         (apply_iterators): Likewise.
9605         (initialize_iterators): Guard usage of apply_subst_iterator with
9606         #ifdef GENERATOR_FILE.
9607         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
9608         (md_reader::read_mapping): Likewise.
9609         (add_define_attr_for_define_subst): Likewise.
9610         (add_define_subst_attr): Likewise.
9611         (read_subst_mapping): Likewise.
9612         (check_code_iterator): Likewise.
9613         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
9614         logic to...
9615         (one_time_initialization): New function.
9616         (rtx_reader::read_until): New method.
9617         (read_flags): New function.
9618         (parse_reg_note_name): New function.
9619         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
9620         Handle reuse_rtx ids.
9621         Wrap iterator lookup within #ifdef GENERATOR_FILE.
9622         Add parsing support for RTL dumps, mirroring the special-cases in
9623         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
9624         values, and calling handle_any_trailing_information.
9625         (rtx_reader::read_rtx_operand): Convert return type from void
9626         to rtx, returning return_rtx.  Handle case 'e'.  Call
9627         finalize_string on XSTR and XTMPL fields.
9628         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
9629          "(nil)" values were omitted.  Call the postprocess vfunc on the
9630         return_rtx.
9631         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
9632         class ctor.  Initialize m_in_call_function_usage.  Call
9633         one_time_initialization.
9634         * rtl-tests.c (selftest::test_uncond_jump): Call
9635         set_new_first_and_last_insn.
9636         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
9637         * selftest-rtl.c: New file.
9638         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
9639         (selftest::get_insn_by_uid): New decl.
9640         * selftest-run-tests.c (selftest::run_tests): Call
9641         read_rtl_function_c_tests.
9642         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
9643         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
9644         dumps.
9646 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
9648         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
9649         operands in a special way.  Assert that pos+len <= mode precision.
9651 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
9653         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
9654         3 argument Alias with unlimited for the negative form.
9655         (fno-vect-cost-model): Removed.
9657 2017-01-05  Martin Liska  <mliska@suse.cz>
9659         * hsa-gen.c (gen_hsa_divmod): New function.
9660         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
9662 2017-01-05  Martin Liska  <mliska@suse.cz>
9664         PR pch/78970
9665         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
9666         header.
9668 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9670         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
9671         small constant length operands.
9673 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9675         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
9676         between loop iterations.
9678 2017-01-05  Martin Liska  <mliska@suse.cz>
9680         PR sanitizer/78815
9681         * gimplify.c (gimplify_decl_expr): Compare to
9682         asan_poisoned_variables instread of checking flags.
9683         (gimplify_target_expr): Likewise.
9684         (gimplify_expr): Likewise.
9685         (gimplify_function_tree): Conditionally initialize
9686         asan_poisoned_variables.
9688 2017-01-04  Jeff Law  <law@redhat.com>
9690         PR tree-optimizatin/78812
9691         * rtl.h (contains_mem_rtx_p): Prototype.
9692         * ifcvt.c (containts_mem_rtx_p): Move from here to...
9693         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
9694         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
9695         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
9696         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
9698 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9700         * input.c (assert_char_at_range): Default-initialize actual_range.
9702 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9704         * df-scan.c (df_ref_create_structure): Make regno unsigned,
9705         to match the caller.
9707 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9709         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
9710         insns after final jump in test to emit dummy move.
9712 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9714         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
9715         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
9717 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
9719         * multiple_target.c (create_dispatcher_calls): Init e_next.
9720         * tree-ssa-loop-split.c (split_loop): Init border.
9721         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
9722         scalar_type.
9724 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9726         PR target/71977
9727         PR target/70568
9728         PR target/78823
9729         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
9730         (altivec_register_operand): Do not return true if the operand
9731         contains a SUBREG mixing SImode and SFmode.
9732         (vsx_register_operand): Likewise.
9733         (vsx_reg_sfsubreg_ok): New predicate.
9734         (vfloat_operand): Do not return true if the operand contains a
9735         SUBREG mixing SImode and SFmode.
9736         (vint_operand): Likewise.
9737         (vlogical_operand): Likewise.
9738         (gpc_reg_operand): Likewise.
9739         (int_reg_operand): Likewise.
9740         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
9741         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
9742         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
9743         SImode and SFmode.
9744         (rs6000_emit_move_si_sf_subreg): New helper function.
9745         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
9746         fixup SUBREGs involving SImode and SFmode.
9747         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
9748         numbers for the new peephole2 optimization.
9749         (peephole2 for SFmode unions): New peephole2 to optimize cases in
9750         the GLIBC math library that do AND/IOR/XOR operations on single
9751         precision floating point.
9752         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
9753         target macros to say whether we need to avoid SUBREGs mixing
9754         SImode and SFmode.
9755         (TARGET_ALLOW_SF_SUBREG): Likewise.
9756         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
9757         (UNSPEC_SI_FROM_SF): Likewise.
9758         (iorxor): Change spacing.
9759         (and_ior_xor): New iterator for AND, IOR, and XOR.
9760         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
9761         (movdi_from_sf_zero_ext): Likewise.
9762         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
9763         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
9764         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
9765         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
9766         (fms<mode>4): Likewise.
9767         (fnma<mode>4): Likewise.
9768         (fnms<mode>4): Likewise.
9769         (nfma<mode>4): Likewise.
9770         (nfms<mode>4): Likewise.
9772 2017-01-04  Marek Polacek  <polacek@redhat.com>
9774         PR c++/64767
9775         * doc/invoke.texi: Document -Wpointer-compare.
9777 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9779         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
9780         RejectNegative.
9782         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
9783         descriptions for -gdwarf-5 and emit them as uleb128 instead of
9784         2-byte data.
9786 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9788         PR target/78056
9789         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
9790         documentation of the powerpc_popcntb_ok attribute.
9791         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
9792         code to issue warning messages if a requested CPU configuration is
9793         not supported by the binary (assembler and loader) toolchain.
9794         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
9795         made to define a built-in function that has been disabled.
9796         (paired_init_builtins): Add assertion to prevent ICE if attempt is
9797         made to define a built-in function that has been disabled.
9798         (altivec_init_builtins): Add comment explaining why definition
9799         of the DST built-in functions is not preceded by an assertion
9800         check.  Add assertions to prevent ICE if attempts are made to
9801         define an altivec predicate or an abs* built-in function that has
9802         been disabled.
9803         (htm_init_builtins): Add comment explaining why definition of the
9804         htm built-in functions is not preceded by an assertion check.
9806 2017-01-04  Jeff Law  <law@redhat.com>
9808         PR tree-optimizatin/67955
9809         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
9810         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
9811         the points-to solution does not include pt_null.  Use DECL_PT_UID
9812         unconditionally.
9814 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
9816         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
9817         Use gen_int_mode instead of gen_lopwart for const_int operands.
9819 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9821         PR tree-optimization/71563
9822         * match.pd: Simplify X << Y into X if Y is known to be 0 or
9823         out of range value - has low bits known to be zero.
9825 2017-01-04  Alan Modra  <amodra@gmail.com>
9827         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
9828         * configure: Regenerate.
9829         * config.in: Regenerate.
9831 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
9833         PR bootstrap/77569
9834         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
9835         a substring of the message, but strcmp with the whole message.  Ifdef
9836         ENABLE_NLS, translate the message first using dgettext.
9838 2017-01-03  Jeff Law  <law@redhat.com>
9840         PR tree-optimizatin/78856
9841         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
9842         (mark_threaded_blocks): Remove code to truncate thread paths that
9843         cross multiple loop headers.  Instead invalidate the cached loop
9844         iteration information and handle case of a thread path walking
9845         into an irreducible region.
9847 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
9849         PR target/78900
9850         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
9851         assertions.  Add support for doing the signbit if the IEEE 128-bit
9852         floating point value is in a GPR.
9853         * config/rs6000/rs6000.md (Fsignbit): Delete.
9854         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
9855         Update the length attribute if the value is in a GPR.
9856         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
9857         the sign or zero extension instruction, since the value is always 0/1.
9858         (signbit<mode>2_dm2): Delete using <Fsignbit>.
9860         PR target/78953
9861         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
9862         extracting SImode to a GPR register so that we can generate a
9863         store, limit the vector to be in a traditional Altivec register
9864         for the vextuwrx instruction.
9866 2017-01-03  Ian Lance Taylor  <iant@google.com>
9868         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
9870 2017-01-03  Martin Sebor  <msebor@redhat.com>
9872         PR tree-optimization/78696
9873         * gimple-ssa-sprintf.c (format_floating): Correct handling of
9874         precision.  Use MPFR for %f for greater fidelity.  Correct handling
9875         of %g.
9876         (pass_sprintf_length::compute_format_length): Set width and precision
9877         specified by asrerisk to void_node for vararg functions.
9878         (try_substitute_return_value): Adjust dump output.
9880 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
9882         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
9884 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
9886         * doc/invoke.texi (SPARC options): Document -mlra as the default.
9887         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
9888         -mlra/-mno-lra was passed to the compiler.
9890 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
9892         PR rtl-optimization/65618
9893         * emit-rtl.c (try_split): Move initialization of "before" and
9894         "after" to just before the call to emit_insn_after_setloc.
9896 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
9898         * doc/md.texi (Standard Names): Remove reference to Java frontend.
9900 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
9902         * dwarf2out.c (gen_enumeration_type_die): When
9903         -gno-strict-dwarf, add a DW_AT_encoding attribute.
9905 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
9907         PR tree-optimization/78965
9908         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
9909         Change first argument from const call_info & to call_info &.  For %n
9910         set info.nowrite to false.
9912         PR middle-end/78901
9913         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
9914         possibly throwing calls.
9916         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
9917         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
9918         and fns handling, rather than in a separate case SSA_NAME.
9920 2017-01-02  Jeff Law  <law@redhat.com>
9922         * config/darwin-driver.c (darwin_driver_init): Const-correctness
9923         fixes for first_period and second_period variables.
9925 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
9927         PR target/78967
9928         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
9929         (*insvqi_1): New insn pattern.
9930         (*insvqi_1_mem_rex64): Ditto.
9931         (*insvqi_2): Ditto.
9932         (*insvqi_3): Rename from *insvqi.
9934         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
9936 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
9938         * doc/cfg.texi (Edges): Remove reference to Java.
9939         (Maintaining the CFG): Ditto.
9941 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9943         PR middle-end/77674
9944         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
9945         transparent aliases.
9947 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
9949         PR middle-end/77484
9950         * predict.def (PRED_CALL): Update hitrate.
9951         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
9952         * predict.c (tree_estimate_probability_bb): Split CALL predictor
9953         into direct/indirect/polymorphic variants.
9955 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
9957         Update copyright years.
9959         * gcc.c (process_command): Update copyright notice dates.
9960         * gcov-dump.c (print_version): Ditto.
9961         * gcov.c (print_version): Ditto.
9962         * gcov-tool.c (print_version): Ditto.
9963         * gengtype.c (create_file): Ditto.
9964         * doc/cpp.texi: Bump @copying's copyright year.
9965         * doc/cppinternals.texi: Ditto.
9966         * doc/gcc.texi: Ditto.
9967         * doc/gccint.texi: Ditto.
9968         * doc/gcov.texi: Ditto.
9969         * doc/install.texi: Ditto.
9970         * doc/invoke.texi: Ditto.
9972 Copyright (C) 2017 Free Software Foundation, Inc.
9974 Copying and distribution of this file, with or without modification,
9975 are permitted in any medium without royalty provided the copyright
9976 notice and this notice are preserved.