2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
[official-gcc.git] / gcc / ChangeLog
blobe3458cc732a90a620df51706ba568f9688905a4a
1 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
3         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4         out into ...
5         (simplify_control_stmt_condition_1): ... here.  Recurse into
6         BIT_AND_EXPRs and BIT_IOR_EXPRs.
8 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
10         PR target/69810
11         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
12         (zero_extendqi<mode>2_dot): Revert earlier conversion from
13         define_insn_and_split to define_insn.
14         (zero_extendqi<mode>2_dot2): Same.
15         (extendqi<mode>2_dot): Same.
16         (extendqi<mode>2_dot2): Same.
18 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
20         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
21         (probe_stack): New expander.
22         (probe_stack_<mode>): New insn pattern.
24 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
26         * config/i386/i386.md
27         (operations with memory inputs setting flags peephole2):
28         Remove uneeded REG_P checks.  Cleanup pattern generation.
30 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
32         * tree-vect-loop.c (vect_transform_loop): Fix
33         nb_iterations_upper_bound computation for vectorized loop.
35 2016-04-29  Marek Polacek  <polacek@redhat.com>
36             Jakub Jelinek  <jakub@redhat.com>
38         PR sanitizer/70342
39         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
40         TARGET_EXPR_SLOT as a base.
42 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
44         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
45         with 'rCm2' constraints to limit possible immediate size.
46         (*load_zeroextendqisi_update): Likewise.
47         (*load_signextendqisi_update): Likewise.
48         (*loadhi_update): Likewise.
49         (*load_zeroextendhisi_update): Likewise.
50         (*load_signextendhisi_update): Likewise.
51         (*loadsi_update): Likewise.
52         (*loadsf_update): Likewise.
54 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
56         * config/i386/predicates.md (constm1_operand): Fix comparison.
58 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
60         * testsuite/gcc.target/arc/ieee_eq.c: New test.
62 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
64         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
65         remaining SH5 related settings.
66         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
67         shmedia_prepare_call_address): Delete.
68         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
69         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
70         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
71         UNSUPPORTED_SH2A): Remove m5 checks.
72         (sh_divide_strategy_e): Remove SH5 division strategies.
73         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
74         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
76 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
78         * config/s390/s390.c (s390_rtx_costs): Update documentation.
80 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
82         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
83         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
84         Change lder to ldr.
85         * config/s390/vector.md ("mov<mode>"): Likewise.
87 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
89         * config/s390/constraints.md ("U", "W"): Invoke
90         s390_mem_constraint with "ZR" and "ZT".
91         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
92         addresses when using LRA.  Accept also short displacements for S
93         and T constraints.  Do not check for long displacement target for
94         S and T constraints.
95         (s390_mem_constraint): Remove handling of U and W constraints.
96         * config/s390/s390.md (various patterns): Remove the short
97         displacement constraints (Q and R) if a long displacement
98         constraint is present.  Add longdisp as required CPU capability.
99         * config/s390/vector.md: Likewise.
100         * config/s390/vx-builtins.md: Likewise.
102 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
104         PR target/60040
105         * reload1.c (reload): Call finish_spills before
106         restarting reload loop. Skip select_reload_regs
107         if update_eliminables_and_spill returns true.
109 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
111         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
112         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
113         (umulhisi3_imm): Update predicates and constraint letters.
114         (umulhisi3_reg): Declare instruction as commutative.
115         * config/arc/constraints.md (J12, J16): New constraints.
116         * config/arc/predicates.md (short_unsigned_const_operand): New
117         predicate.
118         (arc_short_operand): Likewise.
119         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
121 2016-04-29  Richard Biener  <rguenther@suse.de>
123         PR tree-optimization/13962
124         PR tree-optimization/65686
125         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
126         * tree-ssa-alias.c (ptrs_compare_unequal): New function
127         using PTA to compare pointers.
128         * match.pd: Add pattern for pointer equality compare simplification
129         using ptrs_compare_unequal.
131 2016-04-29  Richard Biener  <rguenther@suse.de>
133         * stor-layout.c (layout_type): Do not build a pointer-to-element
134         type for arrays.
136 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
138         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
139         Use SWI mode iterator.  Use general_reg_operand predicate.
140         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
141         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
142         predicates.
144 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
146         PR middle-end/70843
147         * fold-const.c (operand_equal_p): Don't verify hash value equality
148         if arg0 == arg1.
149         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
150         and OMP_CLAUSE.
152 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
154         PR target/70858
155         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
156         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
157         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
158         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
159         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
161 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
163         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
164         to info.  Don't initialize separate fields to 0.  Clean up
165         formatting a bit.
167 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
169         * config/i386/i386.md (peephole2s for operations with memory inputs):
170         Use SWI mode iterator.
171         (peephole2s for operations with memory outputs): Ditto.
172         Do not check for stack checking probe.
174         (probe_stack): Remove expander.
176 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
177             Andrew Burgess  <andrew.burgess@embecosm.com>
179         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
180         operands as 32-bits.
182 2016-04-28  Jason Merrill  <jason@redhat.com>
184         * gdbinit.in: Skip line-map.h.
186 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
187             Andrew Burgess  <andrew.burgess@embecosm.com>
189         * config/arc/arc.c (arc_conditional_register_usage): Take
190         TARGET_RRQ_CLASS into account.
191         (arc_print_operand): Support printing 'p' and 's' operands.
192         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
193         as 0.
194         (TARGET_RRQ_CLASS): Define.
195         (IS_POWEROF2_OR_0_P): Define.
196         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
197         alternatives.
198         (*tst_movb): New define_insn.
199         (*tst): Avoid recognition if it could prevent '*tst_movb'
200         combination; replace c/CnL with c/Chs alternative.
201         (*tst_bitfield_tst): New define_insn.
202         (*tst_bitfield_asr): New define_insn.
203         (*tst_bitfield): New define_insn.
204         (andsi3_i): Add Rrq variant.
205         (extzv): New define_expand.
206         (insv): New define_expand.
207         (*insv_i): New define_insn.
208         (*movb): New define_insn.
209         (*movb_signed): New define_insn.
210         (*movb_high): New define_insn.
211         (*movb_high_signed): New define_insn.
212         (*movb_high_signed + 1): New define_split pattern.
213         (*mrgb): New define_insn.
214         (*mrgb + 1): New define_peephole2 pattern.
215         (*mrgb + 2): New define_peephole2 pattern.
216         * config/arc/arc.opt (mbitops): New option for nps400, uses
217         TARGET_NPS_BITOPS_DEFAULT.
218         * config/arc/constraints.md (q): Make register class conditional.
219         (Rrq): New register constraint.
220         (Chs): New constraint.
221         (Clo): New constraint.
222         (Chi): New constraint.
223         (Cbf): New constraint.
224         (Cbn): New constraint.
225         (C18): New constraint.
226         (Cbi): New constraint.
228 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
230         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
231         dst->popcount.
232         (bitmap_intersection_of_preds): Ditto.
233         (bitmap_union_of_succs): Ditto.
234         (bitmap_union_of_preds): Ditto.
235         * sbitmap.c (do_popcount): Delete.
236         (BITMAP_DEBUGGING): Delete.
237         (sbitmap_verify_popcount): Delete.
238         (sbitmap_alloc): Don't initialize the popcount field.
239         (sbitmap_alloc_with_popcount): Delete.
240         (sbitmap_resize): Don't resize the popcount array.
241         (sbitmap_vector_alloc): Don't initialize the popcount field.
242         (bitmap_copy): Don't copy the popcount array.
243         (bitmap_clear): Don't clear the popcount array.
244         (bitmap_clear): Delete the popcount array handling.
245         (bitmap_ior_and_compl): Delete the popcount assert.
246         (bitmap_not): Ditto.
247         (bitmap_and_compl): Ditto.
248         (bitmap_and): Delete the popcount array handling.
249         (bitmap_xor): Ditto.
250         (bitmap_ior): Ditto.
251         (bitmap_or_and): Delete the popcount assert.
252         (bitmap_and_or): Ditto.
253         (popcount_table): Delete.
254         (sbitmap_elt_popcount): Delete.
255         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
256         (bitmap_set_bit): Delete the popcount assert.
257         (bitmap_clear_bit): Ditto.
258         (sbitmap_free): Don't free the popcount array.
259         (sbitmap_alloc_with_popcount): Delete declaration.
260         (sbitmap_popcount): Ditto.
262 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
263             Andrew Burgess  <andrew.burgess@embecosm.com>
265         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
266         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
267         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
268         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
269         * config/arc/arc.opt (mcmem): New option.
270         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
271         supply length for r/m alternative.
272         (*extendqisi2_ac): Likewise.
273         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
274         r/Uex alternative.
275         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
276         (movhi_insn): Likewise.
277         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
278         (*zero_extendqihi2_i): Add r/Ucm alternative.
279         (*zero_extendqisi2_ac): Likewise.
280         (*zero_extendhisi2_i): Likewise.
281         * config/arc/constraints.md (Uex): New memory constraint.
282         (Ucm): New define_constraint.
283         * config/arc/predicates.md (long_immediate_loadstore_operand):
284         Return 0 for MEM with cmem_address address.
285         (cmem_address_0): New predicates.
286         (cmem_address_1): Likewise.
287         (cmem_address_2): Likewise.
288         (cmem_address): Likewise.
290 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
292         * config/rs6000/rs6000.c (machine_function): Rename
293         insn_chain_scanned_p to spe_insn_chain_scanned_p.
294         (rs6000_stack_info): Adjust.
296 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
297             Andrew Burgess  <andrew.burgess@embecosm.com>
299         * config/arc/constraints.md (Usd): Convert to define_constraint.
300         (Us<): Likewise.
301         (Us>): Likewise.
303 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
305         PR target/70821
306         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
307         Add new peephole2 where the first insn is *mov<mode>_or instead of
308         *mov<mode>_internal.
310 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
312         * tracer.c (bb_seen): Make static.
314 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
316         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
317         support, setup defaults.
318         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
319         * config/arc/arc.c (arc_init): Add NPS400 support.
320         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
321         (TARGET_ARC700): NPS400 is also an ARC700.
322         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
324 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
326         PR target/70668
327         * config/nds32/nds32.md (casesi): Don't access the operands array
328         out of bounds.
330 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
332         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
333         (or $-1,reg peephole2): Ditto.
334         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
336 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
338         * doc/extend.texi (Common Function Attributes) [optimize]:
339         Discourage use of the optimize attribute.
341 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
343         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
344         special case builtin.
345         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
346         ALTIVEC_BUILTIN_VEC_ADDE.
347         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
348         support for ALTIVEC_BUILTIN_VEC_ADDE.
349         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
350         for __builtin_vec_adde.
352 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
354         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
355         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
357 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
359         PR testsuite/70595
360         * doc/sourcebuild.texi (Effective-Target Keywords, Other
361         attributes): Document cilkplus_runtime.
363 2016-04-28  Martin Jambor  <mjambor@suse.cz>
365         * tree-cfg.c (verify_expr): Verify that local declarations belong to
366         this function.  Call verify_expr on MEM_REFs and bases of other
367         handled_components.
369 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
371         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
372         for WORD_REGISTER_OPERATIONS to runtime check.
374 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
376         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
378 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
380         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
381         big-endian compilation.
382         * config/arc/arc.md (addf3): Likewise.
383         (subdf3): Likewise.
384         (muldf3): Likewise.
386 2016-04-28  Richard Biener  <rguenther@suse.de>
388         PR tree-optimization/70840
389         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
390         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
391         Mark x * pow(x,c) -> pow(x,c+1) commutative.
392         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
394 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
396         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
397         and explain why in a comment.
399 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
401         * config/arc/arc.md (cpu_facility): Add fpx variant.
402         (subdf3): Prohibit use reverse sub when assist operations option
403         is enabled.
404         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
405         instructions only when FPX is enabled.
406         * testsuite/gcc.target/arc/trsub.c: New test.
408 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
410         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
411         mult_operator when calculating "type" attribute.
412         (*fop_<mode>_1_i387): Ditto.
413         (*fop_xf_1_i387): Ditto.
414         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
415         Use std::swap to swap operands.  Use RTL expressions to generate
416         converted pattern.
418 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
419             Joern Rennecke  <joern.rennecke@embecosm.com>
421         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
422         declaration.
423         (emit_pic_move): Remove.
424         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
425         * config/arc/arc.c (emit_pic_move): Removed.
426         (TARGET_HAVE_TLS): Define.
427         (arc_conditional_register_usage): Test for arc_tp_regno.
428         (arc_print_operand, arc_print_operand_address): Handle TLS
429         unspecs.
430         (arc_needs_pcl_p): New function.
431         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
432         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
433         (arc_raw_symbolic_reference_mentioned_p): Likewise.
434         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
435         (arc_legitimize_tls_address): Likewise.
436         (DTPOFF_ZERO_SYM): Define.
437         (arc_legitimize_pic_address): Make it static, handle TLS cases.
438         (arc_output_pic_addr_const): Print TLS unspecs.
439         (prepare_pic_move): New function, replaces emit_pic_move.
440         (arc_legitimate_constant_p): Handle TLS unspecs.
441         (arc_legitimate_address_p): Likewise.
442         (arc_rewrite_small_data_p): Use assert for TLS constants.
443         (prepare_move_operands): Use prepare_pic_move.
444         (arc_legitimize_address): Legitimize tls addresses.
445         (arc_epilogue_uses): Check for arc_tp_regno.
446         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
447         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
448         Define.
449         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
450         Likewise.
451         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
452         %(arc_tls_extra_start_spec).
453         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
454         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
455         (EH_USES): Define.
456         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
457         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
458         (UNSPEC_TLS_OFF): Add.
459         (R10_REG): Define.
460         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
461         (get_thread_pointersi): New patterns.
462         * config/arc/arc.opt (mtp-regno): New option.
463         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
464         (move_dest_operand): Likewise.
465         * configure: Regenerate.
466         * configure.ac: Add arc*-*-* case to test for tls.
467         * doc/invoke.texi (ARC options): Document mtp-regno.
469 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
471         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
472         the new ARC HS SIMD instructions.
473         (arc_preferred_simd_mode): New function.
474         (arc_autovectorize_vector_sizes): Likewise.
475         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
476         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
477         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
478         (arc_init_builtins): Add new SIMD builtin types.
479         (arc_split_move): Handle 64 bit vector moves.
480         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
481         (TARGET_PLUS_QMACW): Define.
482         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
483         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
484         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
485         (VSUBADD4H): New builtins.
486         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
487         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
489 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
490             Matthias Klose  <doko@debian.org>
492         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
494 2016-04-28  Richard Biener  <rguenther@suse.de>
496         PR middle-end/70777
497         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
498         canonicalization.
500 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
502         * common/config/sh/sh-common.c: Remove SH5 support.
503         * config/sh/constraints.md: Likewise.
504         * config/sh/config/sh/elf.h: Likewise.
505         * config/sh/linux.h: Likewise.
506         * config/sh/netbsd-elf.h: Likewise.
507         * config/sh/predicates.md: Likewise.
508         * config/sh/sh-c.c: Likewise.
509         * config/sh/sh-protos.h: Likewise.
510         * config/sh/sh.c: Likewise.
511         * config/sh/sh.h: Likewise.
512         * config/sh/sh.md: Likewise.
513         * config/sh/sh.opt: Likewise.
514         * config/sh/sync.md: Likewise.
515         * config/sh/sh64.h: Delete.
516         * config/sh/shmedia.h: Likewise.
517         * config/sh/shmedia.md: Likewise.
518         * config/sh/sshmedia.h: Likewise.
519         * config/sh/t-netbsd-sh5-64: Likewise.
520         * config/sh/t-sh64: Likewise.
521         * config/sh/ushmedia.h: Likewise.
523 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
525         * config/i386/i386.md (sign_extend to memory peephole2s): Use
526         general_reg_operand instead of register_operand predicate.
528 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
530         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
532 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
534         * match.pd (A - B > A, A + B < A): New transformations.
536 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
538         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
539         which defaults to true.  Emit an outer pair of parentheses only if
540         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
541         don't emit parentheses for the right-hand operand.
543 2016-04-27  Jeff Law  <law@redhat.com>
545         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
547 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
549         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
550         (altivec_lvx_<mode>_internal): Document.
551         (altivec_lvx_<mode>_2op): New define_insn.
552         (altivec_lvx_<mode>_1op): Likewise.
553         (altivec_lvx_<mode>_2op_si): Likewise.
554         (altivec_lvx_<mode>_1op_si): Likewise.
555         (altivec_stvx_<mode>): Remove.
556         (altivec_stvx_<mode>_internal): Document.
557         (altivec_stvx_<mode>_2op): New define_insn.
558         (altivec_stvx_<mode>_1op): Likewise.
559         (altivec_stvx_<mode>_2op_si): Likewise.
560         (altivec_stvx_<mode>_1op_si): Likewise.
561         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
562         Expand vec_ld and vec_st during parsing.
563         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
564         changes.
565         (altivec_expand_stvx_be): Likewise.
566         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
567         address-masking behavior in RTL.
568         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
569         address-masking behavior in RTL.
570         (altivec_expand_builtin): Change builtin code arguments for calls
571         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
572         (insn_is_swappable_p): Avoid incorrect swap optimization in the
573         presence of lvx/stvx patterns.
574         (alignment_with_canonical_addr): New function.
575         (alignment_mask): Likewise.
576         (find_alignment_op): Likewise.
577         (recombine_lvx_pattern): Likewise.
578         (recombine_stvx_pattern): Likewise.
579         (recombine_lvx_stvx_patterns): Likewise.
580         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
581         stvx patterns from expand.
582         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
583         expansions.
584         (vector_altivec_store_<mode>): Likewise.
586 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
588         * config/aarch64/aarch64.md
589         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
590         remove the "fp" attributes.
591         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
592         add the "simd" attributes.
593         (*movdf_aarch64): Likewise.
594         (*movtf_aarch64): Remove the "fp" attributes.
595         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
596         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
598 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
600         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
601         rtx to rtx_code_label *.
602         * rtl.h (maybe_set_first_label_num): Likewise.
604 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
606         * df-core.c (df_add_problem): Make the problem param be const.
607         (df_remove_problem): Make local "problem" be const.
608         * df-problems.c (problem_RD): Make const.
609         (problem_LR): Likewise.
610         (problem_LIVE): Likewise.
611         (problem_MIR): Likewise.
612         (problem_CHAIN): Likewise.
613         (problem_WORD_LR): Likewise.
614         (problem_NOTE): Likewise.
615         (problem_MD): Likewise.
616         * df-scan.c (problem_SCAN): Likewise.
617         * df.h (struct df_problem): Make field "dependent_problem" be
618         const.
619         (struct dataflow): Likewise for field "problem".
620         (df_add_problem): Make param const.
622 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
624         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
625         inter-unit moves to/from vector registers are enabled.  Do not disable
626         for TARGET_MMX.
628 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
630         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
631         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
632         #define to...
633         (enum df_problem_id): ...this new enum.
634         (struct df_problem): Convert field "id" from "int" to
635         enum df_problem_id.
637 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
639         * rtl.def: Update comment for "things in the instruction chain" to
640         reflect the removal of the leading "i" field for INSN_UID in
641         r210360.  Fix bogus apostrophe.
643 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
645         * config/i386/i386.md
646         (lea arith with mem operand + setcc peephole2): Set operator mode.
648 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
650         PR target/70155
651         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
652         (dimode_scalar_to_vector_candidate_p): This.
653         (timode_scalar_to_vector_candidate_p): New function.
654         (scalar_to_vector_candidate_p): Likewise.
655         (timode_check_non_convertible_regs): Likewise.
656         (timode_remove_non_convertible_regs): Likewise.
657         (remove_non_convertible_regs): Likewise.
658         (remove_non_convertible_regs): Renamed to ...
659         (dimode_remove_non_convertible_regs): This.
660         (scalar_chain::~scalar_chain): Make it virtual.
661         (scalar_chain::compute_convert_gain): Make it pure virtual.
662         (scalar_chain::mark_dual_mode_def): Likewise.
663         (scalar_chain::convert_insn): Likewise.
664         (scalar_chain::convert_registers): Likewise.
665         (scalar_chain::add_to_queue): Make it protected.
666         (scalar_chain::emit_conversion_insns): Likewise.
667         (scalar_chain::replace_with_subreg): Likewise.
668         (scalar_chain::replace_with_subreg_in_insn): Likewise.
669         (scalar_chain::convert_op): Likewise.
670         (scalar_chain::convert_reg): Likewise.
671         (scalar_chain::make_vector_copies): Likewise.
672         (scalar_chain::convert_registers): New pure virtual function.
673         (class dimode_scalar_chain): New class.
674         (class timode_scalar_chain): Likewise.
675         (scalar_chain::mark_dual_mode_def): Renamed to ...
676         (dimode_scalar_chain::mark_dual_mode_def): This.
677         (timode_scalar_chain::mark_dual_mode_def): New function.
678         (timode_scalar_chain::convert_insn): Likewise.
679         (dimode_scalar_chain::convert_registers): Likewise.
680         (scalar_chain::compute_convert_gain): Renamed to ...
681         (dimode_scalar_chain::compute_convert_gain): This.
682         (scalar_chain::replace_with_subreg): Renamed to ...
683         (dimode_scalar_chain::replace_with_subreg): This.
684         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
685         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
686         (scalar_chain::make_vector_copies): Renamed to ...
687         (dimode_scalar_chain::make_vector_copies): This.
688         (scalar_chain::convert_reg): Renamed to ...
689         (dimode_scalar_chain::convert_reg ): This.
690         (scalar_chain::convert_op): Renamed to ...
691         (dimode_scalar_chain::convert_op): This.
692         (scalar_chain::convert_insn): Renamed to ...
693         (dimode_scalar_chain::convert_insn): This.
694         (scalar_chain::convert): Call convert_registers.
695         (convert_scalars_to_vector): Change to scalar_chain pointer to
696         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
697         in 32-bit mode.  Delete scalar_chain pointer.  Call
698         free_dominance_info in 64-bit mode.
699         (pass_stv::gate): Remove TARGET_64BIT check.
700         (ix86_option_override): Put the 64-bit STV pass before the CSE
701         pass.
703 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
705         * dwarf2out.h (struct dw_loc_descr_node): Remove the
706         dw_loc_frame_offset field.
707         * dwarf2out.c (new_loc_descr): Likewise.
708         (resolve_args_picking_1): Turn the VISITED hash set into a
709         FRAME_OFFSET hash map. Use it to associate a frame offset to
710         visited nodes. Remove uses of the CHECKING_P macro.
711         (resolve_args_picking): Update call to resolve_args_picking_1.
713 2016-04-27  Martin Liska  <mliska@suse.cz>
715         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
716         (free_loop_data): Release vuses of groups.
718 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
720         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
721         instead of redundant use_id and boolean have_use_for.
722         (struct iv_use): Change sub_id into group_id.  Remove field next.
723         Move fields: related_cands, n_map_members, cost_map and selected
724         to ...
725         (struct iv_group): ... here.  New structure.
726         (struct iv_common_cand): Use structure declaration directly.
727         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
728         (MAX_CONSIDERED_USES): Rename macro to ...
729         (MAX_CONSIDERED_GROUPS): ... here.
730         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
731         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
732         (dump_uses): Rename to ...
733         (dump_groups): ... here.  Update all uses.
734         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
735         (find_induction_variables): Refactor format of dump information.
736         (record_sub_use): Delete.
737         (record_use): Update all uses.
738         (record_group): New function.
739         (record_group_use, find_interesting_uses_op): Call above functions.
740         Update all uses.
741         (find_interesting_uses_cond): Ditto.
742         (group_compare_offset): New function.
743         (split_all_small_groups): Rename to ...
744         (split_small_address_groups_p): ... here.  Update all uses.
745         (split_address_groups):  Update all uses.
746         (find_interesting_uses): Refactor format of dump information.
747         (add_candidate_1): Update all uses.  Remove redundant check on iv,
748         base and step.
749         (add_candidate, record_common_cand): Remove redundant assert.
750         (add_iv_candidate_for_biv): Update use.
751         (add_iv_candidate_derived_from_uses): Update all uses.
752         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
753         (alloc_use_cost_map): Ditto.
754         (set_use_iv_cost, get_use_iv_cost): Rename to ...
755         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
756         (determine_use_iv_cost_generic): Ditto.
757         (determine_group_iv_cost_generic): Ditto.
758         (determine_use_iv_cost_address): Ditto.
759         (determine_group_iv_cost_address): Ditto.
760         (determine_use_iv_cost_condition): Ditto.
761         (determine_group_iv_cost_cond): Ditto.
762         (determine_use_iv_cost): Ditto.
763         (determine_group_iv_cost): Ditto.
764         (set_autoinc_for_original_candidates): Update all uses.
765         (find_iv_candidates): Update all uses.  Refactor dump information.
766         (determine_use_iv_costs): Ditto.
767         (determine_iv_costs): Ditto.
768         (iv_ca_cand_for_use): Rename to ...
769         (iv_ca_cand_for_group): ... here.  Update all uses.
770         (iv_ca_add_use, iv_ca_add_group): Ditto.
771         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
772         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
773         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
774         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
775         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
776         (create_new_iv, adjust_iv_update_pos): Ditto.
777         (rewrite_use_address): Delete.
778         (rewrite_use_address_1): Rename to ...
779         (rewrite_use_address): ... here.
780         (rewrite_use_compare): Update all uses.
781         (rewrite_use): Delete.
782         (rewrite_uses): Rename to ...
783         (rewrite_groups): ... here.  Update all uses.
784         (remove_unused_ivs, free_loop_data): Update all uses.
785         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
787 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
789         * rtlanal.c (nonzero_bits1): Convert preprocessor check
790         for WORD_REGISTER_OPERATIONS to runtime check.
792 2016-04-27  Richard Biener  <rguenther@suse.de>
794         PR ipa/70760
795         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
796         aggregate_value_p to determine if a function result is
797         returned by reference.
798         (ipa_pta_execute): Functions having their address taken are
799         not automatically nonlocal.
801 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
803         PR sanitizer/70683
804         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
805         * fold-const.c (operand_equal_p): If flag_checking and
806         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
807         and if it returns non-zero, assert iterative_hash_expr on both
808         args is the same.
810 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
812         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
814 2016-04-27  Nick Clifton  <nickc@redhat.com>
816         PR middle-end/49889
817         * varasm.c (merge_weak): Generate an error if an attempt is made
818         to convert a non-weak static function into a weak, public function.
820 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
822         * params.def (MAX_PARTITION_SIZE): New param.
823         * doc/invoke.texi: Document lto-max-partition.
825 2016-04-27  Richard Biener  <rguenther@suse.de>
827         PR ipa/70785
828         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
829         function cummulating used_from_other_partition, externally_visible
830         and force_output from aliases.
831         (refered_from_nonlocal_var): Likewise.
832         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
833         node flags properly.
835 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
837         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
838         (-Wmemset-elt-size): New item.
840 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
842         PR ada/70759
843         * stor-layout.h (internal_reference_types): Delete.
844         * stor-layout.c (reference_types_internal): Likewise.
845         (internal_reference_types): Likewise.
846         (layout_type) <REFERENCE_TYPE>: Adjust.
848 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
850         PR sanitizer/70683
851         * tree.h (inchash::add_expr): Add FLAGS argument.
852         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
853         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
854         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
855         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
856         if swap_tree_comparison (code) is smaller than code, hash that
857         and arguments in the other order.  Hash CONVERT_EXPR the same
858         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
859         of ADDR_EXPR of decl as the decl itself.  Add or remove
860         OEP_ADDRESS_OF from recursive flags as needed.  For
861         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
862         operands commutatively and only the third one normally.
863         For internal CALL_EXPR hash in CALL_EXPR_IFN.
865 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
867         * config/rtems.h (LIB_SPEC): Add -latomic.
869 2016-04-27  Joel Sherrill  <joel@rtems.org>
871         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
872         xilink.ld and flags not relevant to RTEMS.
874 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
876         * toplev.c (backend_init_target): Avoid calling init_reload when using
877         LRA.
879 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
881         * reorg.c (try_merge_delay_insns): Declare i and j inside the
882         for loops rather than one for the whole function.
884 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
886         * match.pd (X + CST CMP X): New transformation.
888 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
890         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
891         * fold-const.c (fold_binary_loc): Remove 2 transformations
892         superseded by match.pd.
893         * match.pd (x+x -> x*2): Generalize to integers.
895 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
897         * config/i386/i386.md (operation on memory peephole): Duplicate an
898         existing peephole and adapt it to match lea rather than an operation
899         that clobbers CC.
901         PR rtl-optimization/57193
902         * opts.c (default_options_table): Add OPT_frename_registers at -O2
903         and above.
904         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
906 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
908         * tree-if-conv.c (any_pred_load_store): New static variable.
909         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
910         any_pred_load_store instead of and_mask_load_store.
911         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
912         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
913         (combine_blocks, tree_if_conversion): Ditto.
915 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
917         PR tree-optimization/70771
918         PR tree-optimization/70775
919         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
920         virtual PHI nodes.  Delete parameter.
921         (if_convertible_loop_p_1): Delete argument to above function.
922         (predicate_all_scalar_phis): Delete code handling single-argument
923         PHIs.
924         (tree_if_conversion): Mark and update virtual SSA.
926 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
928         PR target/61821
929         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
930         (x86_elf_aligned_common): Rename to ...
931         (x86_elf_aligned_decl_common): ... this.
932         Add decl arg.  Switch to .lbss for largecomm object.  Use
933         LARGECOMM_SECTION_ASM_OP.
934         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
935         renaming.
936         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
937         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
938         Pass new decl arg.
939         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
940         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
942 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
944         PR target/59407
945         * config/i386/i386.c (SECTION_LARGE): Define.
946         (x86_64_elf_select_section): Set it for large data/bss sections.
947         Only clear SECTION_WRITE for .lrodata.
948         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
949         data/bss sections.
950         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
951         * varasm.c (default_elf_asm_named_section): Grow flagchars.
952         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
953         SECTION_MACH_DEP.
954         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
955         * doc/tm.texi: Regenerate.
957 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
959         PR bootstrap/70704
960         * configure.ac (--enable-checking): Document extra flag, for
961         non-release builds default to --enable-checking=yes,extra.
962         If misc checking and extra checking, define CHECKING_P to 2 instead
963         of 1.
964         * common.opt (fchecking=): Add.
965         * doc/invoke.texi (-fchecking=): Document.
966         * doc/install.texi: Document --enable-checking changes.
967         * configure: Regenerated.
968         * config.in: Regenerated.
970 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
972         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
973         attribute instead of which_alternative.
974         * config/i386/sse.md (*mov<mode>_internal): Ditto.
975         Use EXT_REX_SSE_REG_P where appropriate.
977 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
979         * config/i386/predicates.md (const0_operand): Do not match
980         const_wide_int code.
981         (const1_operand): Ditto.
983 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
985         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
986         for SSE constm1 operands and TARGET_AVX512VL.
987         (*movti_internal): Ditto.
988         (*mov<mode>_or): Use constm1_operand predicate.
989         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
990         for SSE vector_all_ones operands and TARGET_AVX512VL.
991         * config/i386/predicates.md (constm1_operand): New predicate.
992         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
993         emission of constant -1 load.
995 2016-04-25  Jason Merrill  <jason@redhat.com>
997         * gdbinit.in: Skip is-a.h.
999         * attribs.c (register_scoped_attributes): Fix logic.
1000         * attribs.h: Declare register_scoped_attributes.
1002 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1004         * config/rs6000/rs6000-builtin.def: Correct pasto error for
1005         stxvd2x and stxvw4x built-in functions.
1007 2016-04-25  DJ Delorie  <dj@redhat.com>
1009         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1010         (ashrhi3): Likewise.
1011         (lshrhi3): Likewise.
1013 2016-04-25  Richard Biener  <rguenther@suse.de>
1015         PR tree-optimization/70780
1016         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1017         wasn't visited yet.
1018         (compute_antic): Mark blocks with abnormal preds as visited as
1019         they have a final empty antic-in solution already.
1021 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1023         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1025 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1027         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1028         mode is VQI to improve mixed mode vectorization.
1029         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1030         define_insn to match low half of signed vaddw.
1031         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1032         define_insn to match high half of signed vaddw.
1033         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1034         define_insn to match low half of unsigned vaddw.
1035         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1036         define_insn to match high half of unsigned vaddw.
1037         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1038         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1039         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1040         for new function.
1041         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1042         * config/arm/predicates.md (vect_par_constant_high): Support
1043         big endian and simplify by calling
1044         arm_simd_check_vect_par_cnst_half
1045         (vect_par_constant_low): Likewise.
1047 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1049         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1050         predicate for operand 2.
1052 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
1053             H.J. Lu  <hongjiu.lu@intel.com>
1055         * config/i386/i386-protos.h (standard_sse_constant_p): Add
1056         machine_mode argument.
1057         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1058         constm1_rtx operands.  For VOIDmode constants, get mode from
1059         pred_mode.  Check mode size if the mode is supported by ABI.
1060         (standard_sse_constant_opcode): Do not use standard_constant_p.
1061         Strictly check ABI support for all-ones operands.
1062         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1063         immediates. Update calls to standard_sse_constant_p.
1064         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1065         (ix86_rtx_costs): Ditto.
1066         * config/i386/i386.md (*movxi_internal_avx512f): Use
1067         nonimmediate_or_sse_const_operand instead of vector_move_operand.
1068         Use (v,BC) alternative instead of (v,C). Use register_operand
1069         checks instead of MEM_P.
1070         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1071         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
1072         isa attribute.  Use register_operand checks instead of MEM_P.
1073         (*movti_internal): Use nonimmediate_or_sse_const_operand for
1074         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
1075         alternative and corresponding sse2 isa attribute.
1076         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1077         to standard_sse_constant_p.
1078         (FP constant splitters): Ditto.
1079         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1080         (C): Ditto.
1081         * config/i386/predicates.md (constm1_operand): Remove.
1082         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1083         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1084         vector_all_ones_operand instead of constm1_operand.
1086 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1088         * print-rtl.c (print_rtx_insn_vec): New function.
1089         * print-rtl.h: New prototype.
1090         * store-motion.c (struct st_expr): Make avail_stores a vector.
1091         (st_expr_entry): Adjust.
1092         (free_st_expr_entry): Likewise.
1093         (print_store_motion_mems): Likewise.
1094         (find_moveable_store): Likewise.
1095         (compute_store_table): Likewise.
1096         (delete_store): Likewise.
1097         (build_store_vectors): Likewise.
1099 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1101         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1103 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1105         * vec.h (vec_safe_contains): New function.
1106         (vec::contains): Likewise.
1107         (vec::begin): Likewise.
1108         (vec::end): Likewise.
1110 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
1112         PR sanitizer/70712
1113         * cfgexpand.c (expand_stack_vars): Fix typo.
1115 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1117         * system.h (list, map, set, vector): Include conditionally.
1118         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1119         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1120         * ipa-icf.c (INCLUDE_LIST): Define.
1121         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1122         * config/sh/sh.c (INCLUDE_VECTOR): Define.
1123         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1124         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1125         * cp/logic.cc (INCLUDE_LIST): Define.
1126         * fortran/trans-common.c (INCLUDE_MAP): Define.
1128 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1130         * auto-profile.c: Remove <string.h> include.
1131         * ipa-icf-gimple.c: Remove <list> include.
1132         * diagnostic.c: Remove <new> include.
1133         * genmatch.c: Likewise.
1134         * pretty-print.c: Likewise.
1135         * toplev.c: Likewise
1136         * c/c-objc-common.c: Likewise.
1137         * cp/error.c: Likewise.
1138         * fortran/error.c: Likewise.
1140 2016-04-22  Richard Biener  <rguenther@suse.de>
1142         * lto-streamer-in.c (input_ssa_names): Do not allocate
1143         GIMPLE_NOP for all SSA names.
1144         * lto-streamer-out.c (output_ssa_names): Do not output
1145         SSA names that should have been released.
1147 2016-04-22  Richard Biener  <rguenther@suse.de>
1149         PR tree-optimization/70740
1150         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1151         VDEF.
1153 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1155         PR target/70750
1156         * config/i386/predicates.md (call_insn_operand): Replace
1157         sibcall_memory_operand with memory_operand.
1159 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1161         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1162         has_single_use() tests.
1163         (register_edge_assert_for_1): Likewise.
1164         (find_assert_locations_1): Check the liveness bitmap instead of
1165         checking has_single_use().
1167 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
1169         PR target/70728
1170         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1171         Extract AVX-512BW constraint from AVX.
1173 2016-04-21  Richard Biener  <rguenther@suse.de>
1175         PR tree-optimization/70725
1176         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1177         for phi_convertible_by_degenerating_args.
1178         (predicate_all_scalar_phis): Handle single-argument PHIs.
1180 2016-04-21  Richard Biener  <rguenther@suse.de>
1182         PR middle-end/70747
1183         * fold-const.c (fold_comparison): Return properly typed
1184         constant boolean.
1186 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
1188         PR tree-optimization/70715
1189         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1190         after expanding BASE using expand_simple_operations.
1192 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1194         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1195         New transformations.
1197 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1199         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1201 2016-04-20  Jan Hubicka  <jh@suse.cz>
1203         * ipa-inline.c (can_inline_edge_p): Pass caller info to
1204         ultiimate_alias_target.
1205         (update_callee_keys): Likewise.
1206         (lookup_recursive_calls): Likewise.
1207         (speculation_useful_p): Likewise.
1209 2016-04-20  Jan Hubicka  <jh@suse.cz>
1211         PR ipa/70018
1212         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1213         (set_nothrow_flag_1): ... this; handle interposition correctly;
1214         recurse on aliases and thunks.
1215         (cgraph_node::set_nothrow_flag): New.
1216         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1217         functions compiled with non-call exceptions that binds to current
1218         def.
1219         (propagate_nothrow): Be safe WRT interposition.
1220         * cgraph.h (set_nothrow_flag): Update prototype.
1222 2016-04-18  Jan Hubicka  <jh@suse.cz>
1224         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1225         max_loop_iterations_int.
1226         (tree_unswitch_outer_loop): Likewise.
1228 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1230         PR tree-optimization/69489
1231         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1232         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1233         Revise dump message.
1234         (if_convertible_bb_p): Remove check on edge count of basic block's
1235         predecessors.
1237 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1239         PR tree-optimization/56625
1240         PR tree-optimization/69489
1241         * tree-data-ref.h (DR_INNERMOST): New macro.
1242         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1243         hashing struct innermost_loop_behavior.
1244         (ref_DR_map): Remove.
1245         (innermost_DR_map): New map.
1246         (baseref_DR_map): Revise comment.
1247         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1248         to innermost_DR_map accroding to its innermost loop behavior.
1249         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1250         to its innermost loop behavior.
1251         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1252         Add initialization for innermost_DR_map.  Record memory reference
1253         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1254         have innermost loop behavior.
1255         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
1256         innermost_DR_map.
1258 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
1260         * config/i386/i386.md (*lea<mode>_general_1): Rename from
1261         *lea_general_1.  Use explicit SWI12 mode interator.
1262         (*lea<mode>_general_2): Rename from *lea_general_2.
1263         Use explicit SWI12 mode interator.
1264         (*lea<mode>_general_3): Rename from *lea_general_3.
1265         Use explicit SWI12 mode interator.
1266         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1267         Use explicit SWI12 mode interator.
1268         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1269         Use explicit SWI48 mode interator.
1271 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1273         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1274         Short-cut unaligned load and store cases.  Handle all integer
1275         vector modes.
1276         (ix86_expand_vector_move_misalign): Short-cut unaligned load
1277         and store cases.  Call ix86_avx256_split_vector_move_misalign
1278         directly without checking mode class.
1280 2016-04-20  Andrew Pinski  <apinski@cavium.com>
1281             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1283         PR target/64971
1284         * config/aarch64/aarch64.md (sibcall): Force call
1285         address to be DImode for ILP32.
1286         (sibcall_value): Likewise.
1288 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1290         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1292 2016-04-20  Richard Biener  <rguenther@suse.de>
1294         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1295         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1296         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1297         (maybe_push_res_to_seq): Adjust.
1298         * gimple-fold.c (maybe_build_generic_op): Likewise.
1300 2016-04-20  Marek Polacek  <polacek@redhat.com>
1302         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1303         rather than true.
1305 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
1307         * config/i386/sse.md (vec_unpacks_lo_hi): Always
1308         use kmovw to support AVX512F target.
1310 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1312         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1314 2016-04-20  Marek Polacek  <polacek@redhat.com>
1316         PR tree-optimization/70725
1317         * tree-if-conv.c (is_false_predicate): New function.
1318         (predicate_mem_writes): Use it.
1320 2016-04-20  Richard Biener  <rguenther@suse.de>
1322         PR tree-optimization/70726
1323         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1324         shift amounts from a pattern stmt operand.
1326 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1328         PR target/70674
1329         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1330         stack_restore_from_fpr pattern when restoring r15.
1331         (s390_optimize_prologue): Strip away the memory barrier in the
1332         parallel when trying to get rid of restore insns.
1333         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1334         definition for loading the stack pointer from an FPR.  Compared to
1335         the normal move insn this pattern includes a full memory barrier.
1337 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
1339         PR middle-end/70680
1340         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1341         implicitly linear or lastprivate iterator on the outer context.
1343 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1345         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1346         alignment check.
1347         * config/i386/i386.md (ssememalign): Removed.
1348         * config/i386/sse.md: Remove ssememalign attribute from patterns.
1350 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1352         PR target/69201
1353         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1354         const short * to __builtin_ia32_loaddquhi512_mask.
1355         (_mm512_maskz_loadu_epi16): Likewise.
1356         (_mm512_mask_storeu_epi16): Pass short * to
1357         __builtin_ia32_storedquhi512_mask.
1358         (_mm512_mask_loadu_epi8): Pass const char * to
1359         __builtin_ia32_loaddquqi512_mask.
1360         (_mm512_maskz_loadu_epi8): Likewise.
1361         (_mm512_mask_storeu_epi8): Pass char * to
1362         __builtin_ia32_storedquqi512_mask.
1363         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1364         const double * to __builtin_ia32_loadupd512_mask.
1365         (_mm512_mask_loadu_pd): Likewise.
1366         (_mm512_maskz_loadu_pd): Likewise.
1367         (_mm512_storeu_pd): Pass double * to
1368         __builtin_ia32_storeupd512_mask.
1369         (_mm512_mask_storeu_pd): Likewise.
1370         (_mm512_loadu_ps): Pass const float * to
1371         __builtin_ia32_loadups512_mask.
1372         (_mm512_mask_loadu_ps): Likewise.
1373         (_mm512_maskz_loadu_ps): Likewise.
1374         (_mm512_storeu_ps): Pass float * to
1375         __builtin_ia32_storeups512_mask.
1376         (_mm512_mask_storeu_ps): Likewise.
1377         (_mm512_mask_loadu_epi64): Pass const long long * to
1378         __builtin_ia32_loaddqudi512_mask.
1379         (_mm512_maskz_loadu_epi64): Likewise.
1380         (_mm512_mask_storeu_epi64): Pass long long *
1381         to __builtin_ia32_storedqudi512_mask.
1382         (_mm512_loadu_si512): Pass const int * to
1383         __builtin_ia32_loaddqusi512_mask.
1384         (_mm512_mask_loadu_epi32): Likewise.
1385         (_mm512_maskz_loadu_epi32): Likewise.
1386         (_mm512_storeu_si512): Pass int * to
1387         __builtin_ia32_storedqusi512_mask.
1388         (_mm512_mask_storeu_epi32): Likewise.
1389         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1390         char * to __builtin_ia32_storedquqi256_mask.
1391         (_mm_mask_storeu_epi8): Likewise.
1392         (_mm256_mask_loadu_epi16): Pass const short * to
1393         __builtin_ia32_loaddquhi256_mask.
1394         (_mm256_maskz_loadu_epi16): Likewise.
1395         (_mm_mask_loadu_epi16): Pass const short * to
1396         __builtin_ia32_loaddquhi128_mask.
1397         (_mm_maskz_loadu_epi16): Likewise.
1398         (_mm256_mask_loadu_epi8): Pass const char * to
1399         __builtin_ia32_loaddquqi256_mask.
1400         (_mm256_maskz_loadu_epi8): Likewise.
1401         (_mm_mask_loadu_epi8): Pass const char * to
1402         __builtin_ia32_loaddquqi128_mask.
1403         (_mm_maskz_loadu_epi8): Likewise.
1404         (_mm256_mask_storeu_epi16): Pass short * to.
1405         __builtin_ia32_storedquhi256_mask.
1406         (_mm_mask_storeu_epi16): Pass short * to.
1407         __builtin_ia32_storedquhi128_mask.
1408         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1409         const double * to __builtin_ia32_loadupd256_mask.
1410         (_mm256_maskz_loadu_pd): Likewise.
1411         (_mm_mask_loadu_pd): Pass onst double * to
1412         __builtin_ia32_loadupd128_mask.
1413         (_mm_maskz_loadu_pd): Likewise.
1414         (_mm256_mask_storeu_pd): Pass double * to
1415         __builtin_ia32_storeupd256_mask.
1416         (_mm_mask_storeu_pd): Pass double * to
1417         __builtin_ia32_storeupd128_mask.
1418         (_mm256_mask_loadu_ps): Pass const float * to
1419         __builtin_ia32_loadups256_mask.
1420         (_mm256_maskz_loadu_ps): Likewise.
1421         (_mm_mask_loadu_ps): Pass const float * to
1422         __builtin_ia32_loadups128_mask.
1423         (_mm_maskz_loadu_ps): Likewise.
1424         (_mm256_mask_storeu_ps): Pass float * to
1425         __builtin_ia32_storeups256_mask.
1426         (_mm_mask_storeu_ps): ass float * to
1427         __builtin_ia32_storeups128_mask.
1428         (_mm256_mask_loadu_epi64): Pass const long long * to
1429         __builtin_ia32_loaddqudi256_mask.
1430         (_mm256_maskz_loadu_epi64): Likewise.
1431         (_mm_mask_loadu_epi64): Pass const long long * to
1432         __builtin_ia32_loaddqudi128_mask.
1433         (_mm_maskz_loadu_epi64): Likewise.
1434         (_mm256_mask_storeu_epi64): Pass long long * to
1435         __builtin_ia32_storedqudi256_mask.
1436         (_mm_mask_storeu_epi64): Pass long long * to
1437         __builtin_ia32_storedqudi128_mask.
1438         (_mm256_mask_loadu_epi32): Pass const int * to
1439         __builtin_ia32_loaddqusi256_mask.
1440         (_mm256_maskz_loadu_epi32): Likewise.
1441         (_mm_mask_loadu_epi32): Pass const int * to
1442         __builtin_ia32_loaddqusi128_mask.
1443         (_mm_maskz_loadu_epi32): Likewise.
1444         (_mm256_mask_storeu_epi32): Pass int * to
1445         __builtin_ia32_storedqusi256_mask.
1446         (_mm_mask_storeu_epi32): Pass int * to
1447         __builtin_ia32_storedqusi128_mask.
1448         * config/i386/i386-builtin-types.def (PCSHORT): New.
1449         (PINT64): Likewise.
1450         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1451         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1452         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1453         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1454         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1455         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1456         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1457         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1458         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1459         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1460         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1461         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1462         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1463         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1464         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1465         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1466         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1467         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1468         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1469         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1470         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1471         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1472         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1473         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1474         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1475         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1476         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1477         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1478         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1479         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1480         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1481         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1482         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1483         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1484         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1485         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1486         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1487         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1488         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1489         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1490         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1491         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1492         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1493         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1494         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1495         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1496         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1497         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1498         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1499         use UNSPEC_STOREU.
1500         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1501         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1502         load nor store.
1503         (ix86_expand_vector_move_misalign): Likewise.
1504         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1505         to scalar function prototype for unaligned load/store builtins.
1506         (ix86_expand_special_args_builtin): Updated.
1507         * config/i386/sse.md (UNSPEC_LOADU): Removed.
1508         (UNSPEC_STOREU): Likewise.
1509         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1510         (VI_ULOADSTORE_F_AVX512VL): Likewise.
1511         (ssescalarsize): Handle V4TI, V2TI and V1TI.
1512         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1513         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1514         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1515         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1516         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1517         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1518         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1519         (<avx512>_storedqu<mode>_mask): Likewise.
1520         (*sse4_2_pcmpestr_unaligned): Likewise.
1521         (*sse4_2_pcmpistr_unaligned): Likewise.
1522         (*mov<mode>_internal): Renamed to ...
1523         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
1524         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1525         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1526         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1528 2016-04-19  Richard Biener  <rguenther@suse.de>
1530         PR tree-optimization/70171
1531         * tree-ssa-phiprop.c: Include stor-layout.h.
1532         (phiprop_insert_phi): Handle the aggregate copy case.
1533         (propagate_with_phi): Likewise.
1535 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
1537         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1538         instead of simplify_gen_subreg (... , 0).
1539         (ix86_delegitimize_address): Ditto.
1540         (ix86_split_divmod): Ditto.
1541         (ix86_split_copysign_const): Ditto.
1542         (ix86_split_copysign_var): Ditto.
1543         (ix86_expand_args_builtin): Ditto.
1544         (ix86_expand_round_builtin): Ditto.
1545         (ix86_expand_special_args_builtin): Ditto.
1546         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1547         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1548         (udivmodqi4): Ditto.
1549         (absneg splitters): Ditto.
1550         (*jcc_bt<mode>_1): Ditto.
1552 2016-04-19  Richard Biener  <rguenther@suse.de>
1554         PR tree-optimization/70724
1555         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1556         restoring out from ...
1557         (free_scc_vn): ... here.
1558         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1559         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1560         tail merging.
1561         (pass_fre::execute): Restore SSA info.
1563 2016-04-19  Richard Biener  <rguenther@suse.de>
1565         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1566         * gimple-walk.c (walk_gimple_op): Initialize it.
1567         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1568         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1569         remapping SSA names of defs.
1570         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1571         adjustment.
1573 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
1575         PR middle-end/70689
1576         * lra-constraints.c (equiv_substition_p): New.
1577         (process_alt_operands): Use it.
1578         (swap_operands): Swap it.
1579         (curr_insn_transform): Update it.
1581 2016-04-18  Michael Matz  <matz@suse.de>
1583         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1584         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1585         * tree-core.h (tree_type_common.align): Use bit-field.
1586         (tree_type_common.spare): New.
1587         (tree_decl_common.off_align): Make smaller.
1588         (tree_decl_common.align): Use bit-field.
1590         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1591         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1592         (scan_sharing_clauses): Ditto.
1593         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1594         (omp_finish_file): Ditto.
1595         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
1596         (layout_decl): Ditto.
1597         (relayout_decl): Ditto.
1598         (finalize_record_size): Use SET_TYPE_ALIGN.
1599         (finalize_type_size): Ditto.
1600         (finish_builtin_struct): Ditto.
1601         (layout_type): Ditto.
1602         (initialize_sizetypes): Ditto.
1603         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
1604         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
1605         (lookup_field_for_decl): Use SET_DECL_ALIGN.
1606         (get_chain_field): Ditto.
1607         (get_trampoline_type): Ditto.
1608         (get_nl_goto_field): Ditto.
1609         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1610         SET_DECL_ALIGN.
1611         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
1612         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
1613         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1614         (build_qualified_type): Use SET_TYPE_ALIGN.
1615         (build_aligned_type, build_range_type_1): Ditto.
1616         (build_atomic_base): Ditto.
1617         (build_common_tree_nodes): Ditto.
1618         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
1619         (expand_one_stack_var_at): Ditto.
1620         * coverage.c (build_var): Use SET_DECL_ALIGN.
1621         * except.c (init_eh): Ditto.
1622         * function.c (assign_parm_setup_block): Ditto.
1623         * symtab.c (increase_alignment_1): Ditto.
1624         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
1625         * tree-vect-stmts.c (ensure_base_align): Ditto.
1626         * varasm.c (align_variable): Ditto.
1627         (assemble_variable): Ditto.
1628         (build_constant_desc): Ditto.
1629         (output_constant_def_contents): Ditto.
1631         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
1632         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
1633         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
1634         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
1635         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
1637 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
1639         PR target/70708
1640         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
1641         replace %vmovsd with "%vmovq".
1642         (vec_concatv2df): Likewise.
1644 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
1646         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
1647         (*vec_extractv2si_0): Ditto.
1648         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
1649         (zero_extended_scalar_load_operand splitters): Ditto.
1650         (vec_extract splitters): Ditto.
1651         (*vec_extractv4si_0_zext): Ditto.
1652         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
1653         and lowpart_subreg.
1654         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
1655         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
1656         (*sse4_1_extractps): Use lowpart_subreg.
1658 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1660         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
1661         gld requirements.
1662         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
1663         Mention Solaris 11 packaging changes.
1664         Update gas and gld requirements.
1665         Remove reference to pre-Solaris 10 bug.
1666         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
1667         systems and bugs.
1668         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
1669         with cc.
1671 2016-04-17  Jan Hubicka  <jh@suse.cz>
1673         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
1674         max_loop_iterations_int.
1676 2016-04-18  Richard Biener  <rguenther@suse.de>
1678         PR tree-optimization/43434
1679         * tree-ssa-structalias.c (struct vls_data): New.
1680         (visit_loadstore): Handle all pointer-based accesses.
1681         (compute_dependence_clique): Compute a bitmap of restrict tags
1682         assigned bases and pass it to visit_loadstore.
1684 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
1686         PR target/70711
1687         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
1688         armv8.1-a and armv8.1-a+crc.
1690 2016-04-18  Richard Biener  <rguenther@suse.de>
1692         PR tree-optimization/70701
1693         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
1694         references after translating through a memcpy.
1696 2016-04-18  Richard Biener  <rguenther@suse.de>
1698         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
1699         (compute_antic): ... here.  For partial antic use regular
1700         postorder and scrap iteration.
1701         (compute_partial_antic_aux): Remove unused return value.
1702         (init_pre): Do not allocate postorder.
1703         (fini_pre): Do not free postorder.
1705 2016-04-18  Richard Biener  <rguenther@suse.de>
1707         PR middle-end/37870
1708         * expmed.c (extract_bit_field_1): Remove broken case
1709         using a wider MODE_INT mode.
1711 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
1713         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
1714         unless compiling with at least GCC-4.8.
1716 2016-04-17  Jan Hubicka  <jh@suse.cz>
1718         PR bootstrap/70706
1719         * graphite.c (graphite_finalize): Update call to
1720         tree_estimate_probability.
1721         * predict.h (tree_estimate_probability): Update prototype.
1723 2016-04-17  Jan Hubicka  <jh@suse.cz>
1725         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
1726         (tree_estimate_probability): Likewise.
1727         (pass_profile::execute): Update.
1728         (report_predictor_hitrates): New function.
1729         * profile.c (compute_branch_probabilities): Use it.
1730         * predict.h (report_predictor_hitrates): Declare.
1732 2016-04-17  Jan Hubicka  <jh@suse.cz>
1734         PR ipa/70018
1735         * cgraph.h (cgraph_node::set_const_flag,
1736         cgraph_node::set_pure_flag): Update prototype to return bool;
1737         update comment.
1738         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
1739         of interposable symbol are interposable, too.
1740         (cgraph_set_const_flag_1): Rename to ...
1741         (set_const_flag_1): ... this one; change to self recursive function
1742         instead of call_for_symbol_thunks_and_aliases. Handle correctly
1743         clearnig the flag in all variants and also virtual thunks of const
1744         functions are pure; track if any change was done.
1745         (cgraph_node::set_const_flag): Update.
1746         (struct set_pure_flag_info): New struct.
1747         (cgraph_set_pure_flag_1): Rename to ...
1748         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
1749         rather than pointer encoded flags; track if any changes was done;
1750         handle correctly clearning flag and setting flag of aliases already
1751         declared const.
1752         (cgraph_node::set_pure_flag): Update.
1753         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
1755 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1757         PR other/70433
1758         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
1759         backslash in label.
1761 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1763         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
1764         '{}<> ' as escape-for-record.
1766 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1768         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
1769         structure.
1771 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1773         PR other/70185
1774         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
1775         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
1776         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
1777         * passes.c (finish_optimization_passes): Only call
1778         finish_graph_dump_file if dfi->graph_dump_initialized.
1779         (execute_function_dump, pass_init_dump_file): Use
1780         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
1782 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1784         PR tree-optimization/70256
1785         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
1786         (debug_varmap): New function.
1788 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1790         PR other/70183
1791         * passes.c (pass_manager::register_pass): Propagate pflags.
1793 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1795         PR other/68875
1796         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
1797         * passes.c (pass_manager::pass_manager): Declare and init p_start in
1798         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
1799         check if it's equal to p_start.
1800         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
1802 2016-04-15  Jan Hubicka  <jh@suse.cz>
1804         PR ipa/70018
1805         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
1806         function does not bind to current def.
1807         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
1808         handle conservatively calls to functions that does not need to bind
1809         to current def.
1810         (check_call): Update call of worse_state.
1811         (ignore_edge_for_nothrow): Update.
1812         (ignore_edge_for_pure_const): Likewise.
1813         (propagate_pure_const): Update calls to worse_state.
1814         (skip_function_for_local_pure_const): Reformat comments.
1816 2016-04-15  Jan Hubicka  <jh@suse.cz>
1818         PR ipa/70018
1819         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
1820         (cgraph_node::function_symbol): Likewise.
1821         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1822         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
1823         (symtab_node::ultimate_alias_target): Add REF parameter.
1824         (symtab_node::binds_to_current_def_p): Declare.
1825         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
1826         (cgraph_node::function_symbol): Likewise.
1827         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1828         (cgraph_node::get_availability): Likewise.
1829         (cgraph_edge::binds_to_current_def_p): New inline function.
1830         (varpool_node::get_availability): Add REF parameter.
1831         (varpool_node::ultimate_alias_target): Likewise.
1832         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
1833         (symtab_node::binds_to_current_def_p): Likewise.
1834         * varpool.c (varpool_node::get_availability): Likewise.
1836 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1838         PR target/70662
1839         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
1840         Fix mode size check.
1842 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1844         * BASE-VER: Set to 7.0.0.
1846 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
1848         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
1850 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1852         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
1853         architecture revisions.
1855 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
1857         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
1858         * config/i386/i386.c (ix86_using_red_zone): No longer static.
1859         * config/i386/i386.md (stack decrement to push peepholes): Guard
1860         with !x86_using_red_zone ().
1862 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1864         PR c++/70675
1865         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
1866         to dump_generic_node.
1867         (NIY): Pass also flags to do_niy.
1869 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
1871         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
1872         (simd_clone_vector_of_formal_parm_types)
1873         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
1874         (simd_clone_mangle, simd_clone_create)
1875         (simd_clone_adjust_return_type, create_tmp_simd_array)
1876         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
1877         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
1878         (ipa_simd_modify_function_body, simd_clone_linear_addend)
1879         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
1880         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
1881         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
1882         * omp-simd-clone.c: ... this new file.
1883         (simd_clone_vector_of_formal_parm_types): Make it static.
1884         * Makefile.in (OBJS): Add omp-simd-clone.o.
1886 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1888         PR target/70662
1889         * config/i386/sse.md: Use proper memory operand modifiers.
1892 2016-04-15  Richard Biener  <rguenther@suse.de>
1893         Alan Modra  <amodra@gmail.com>
1895         PR tree-optimization/70130
1896         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
1897         when alignment stays not the same and no not use the realign
1898         scheme then.
1900 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1902         PR target/70669
1903         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
1904         direct move handlers for KFmode. Change TFmode handlers test from
1905         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
1907 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
1909         PR c++/70594
1910         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
1911         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
1912         (inlined_polymorphic_ctor_dtor_block_p): Use it.
1913         * tree-ssa-live.c (remove_unused_scope_block_p): When
1914         in_ctor_dtor_block, avoid discarding not just BLOCKs with
1915         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
1916         block_ultimate_origin is FUNCTION_DECL.
1917         (remove_unused_locals): If current_function_decl is
1918         polymorphic_ctor_dtor_p, pass initial true to
1919         remove_unused_scope_block_p' is_ctor_dtor_block.
1921 2016-04-14  Martin Sebor  <msebor@redhat.com>
1923         PR c++/69517
1924         PR c++/70019
1925         PR c++/70588
1926         * doc/extend.texi (Variable Length): Revert.
1928 2016-04-14  Marek Polacek  <polacek@redhat.com>
1929             Jan Hubicka  <hubicka@ucw.cz>
1931         PR c++/70029
1932         * tree.c (verify_type): Disable the canonical type of main variant
1933         check.
1935 2016-04-14  Jason Merrill  <jason@redhat.com>
1937         * cfgexpand.c, expr.c: Revert previous change.
1939 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
1941         PR middle-end/70643
1942         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
1943         when building a mem ref for the incoming reduction variable.
1945 2016-04-14  Richard Biener  <rguenther@suse.de>
1947         PR tree-optimization/70614
1948         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
1949         loop if the evolution dropped to chrec_dont_know.
1950         (interpret_condition_phi): Likewise.
1952 2016-04-14  Richard Biener  <rguenther@suse.de>
1954         PR tree-optimization/70623
1955         * tree-ssa-pre.c (changed_blocks): Make global ...
1956         (compute_antic): ... local here.  Move and fix worklist
1957         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
1958         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
1959         worklist handling, dump when ANTIC_IN changed.
1960         (compute_partial_antic_aux): Remove worklist handling.
1961         (init_pre): Do not compute post dominators.  Add a comment about
1962         the CFG order chosen.
1963         (fini_pre): Do not free post dominators.
1965 2016-04-13  Martin Sebor  <msebor@redhat.com>
1967         PR c++/69517
1968         PR c++/70019
1969         PR c++/70588
1970         * doc/extend.texi (Variable Length): Document C++ specifics.
1972 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
1974         PR c++/70641
1975         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
1976         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
1977         eh edges have been purged.
1979         PR c++/70594
1980         * tree-sra.c (create_access_replacement,
1981         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
1982         gets fancy name.
1983         * tree-pretty-print.c (dump_fancy_name): New function.
1984         (dump_decl_name, dump_generic_node): Use it.
1986 2016-04-13  Jason Merrill  <jason@redhat.com>
1988         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
1989         * expr.c (expand_expr_real_1): Likewise.
1991 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1993         * config/i386/i386.md (kunpckhi): Swap operands.
1994         (kunpcksi): Likewise.
1995         (kunpckdi): Likewise.
1996         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
1997         (vec_pack_trunc_<mode>): Likewise.
1999 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2001         PR debug/70628
2002         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2004         PR middle-end/70633
2005         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2006         gimplification turns some element into non-constant.
2008         PR debug/70628
2009         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2010         * explow.c (convert_memory_address_addr_space_1): No longer static,
2011         add NO_EMIT argument and don't call convert_modes if true, pass
2012         it down recursively, remove break after return.
2013         (convert_memory_address_addr_space): Adjust caller.
2014         * simplify-rtx.c (simplify_unary_operation_1): Call
2015         convert_memory_address_addr_space_1 instead of convert_memory_address,
2016         if it returns NULL, don't simplify.
2018 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2020         PR target/70630
2021         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2023 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2025         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2026         Bump the upper SIMDLEN limits, so that if the return type or
2027         characteristic type if the return type is void can be passed in
2028         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2029         allowed.
2031 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2033         PR target/70640
2034         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2035         Do not use "=" constraint on an input constraint.
2036         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2037         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2038         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2039         generates (neg (abs ...)) instead of (abs ...).
2041 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2043         PR rtl-optimization/70596
2044         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2045         just invalidate LRA data and reset them.  Adjust dump wording.
2047 2016-04-12  Martin Liska  <mliska@suse.cz>
2049         Revert
2050         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2052         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2053         estimates here.
2054         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2055         max_loop_iterations_int.
2056         (tree_unswitch_outer_loop): Likewise.
2057         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2058         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2060 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2062         PR tree-optimization/68756
2063         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2064         instead of new_name.
2066 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2068         PR tree-optimization/70602
2069         * tree-sra.c (generate_subtree_copies): Don't write anything into
2070         constant pool decls.
2072         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2073         regardless whether there are depend clauses or not.
2075 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2077         PR target/70381
2078         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2079         target attribute and pragma from changing the -mfloat128
2080         and -mfloat128-hardware options.
2082         * doc/extend.texi (Additional Floating Types): Document PowerPC
2083         __float128 restrictions.
2085 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2087         PR target/70133
2088         * config/aarch64/driver-aarch64.c
2089         (aarch64_get_extension_string_for_isa_flags): New.
2090         (arch_extension): Rename to...
2091         (aarch64_arch_extension): ...This.
2092         (ext_to_feat_string): Rename to...
2093         (aarch64_extensions): ...This.
2094         (aarch64_core_data): Keep track of architecture extension flags.
2095         (cpu_data): Rename to...
2096         (aarch64_cpu_data): ...This.
2097         (aarch64_arch_driver_info): Keep track of architecture extension
2098         flags.
2099         (get_arch_name_from_id): Rename to...
2100         (get_arch_from_id): ...This, change return type.
2101         (host_detect_local_cpu): Update and reformat for renames, handle
2102         extensions through common infrastructure.
2104 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2106         PR target/70133
2107         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2108         track of a canonical flag name.
2109         (all_extensions): Likewise.
2110         (arch_to_arch_name): Also track extension flags enabled by the arch.
2111         (all_architectures): Likewise.
2112         (aarch64_parse_extension): Move to here.
2113         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2114         rework.
2115         (aarch64_rewrite_selected_cpu): Update for above change.
2116         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2117         are handled, such that the single explicit value enabled by an
2118         extension is kept seperate from the implicit values it also enables.
2119         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2120         to here.
2121         (aarch64_parse_extension): New.
2122         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2123         here to config/aarch64/aarch64-protos.h.
2124         (aarch64_parse_extension): Move from here to
2125         common/config/aarch64/aarch64-common.c.
2126         (aarch64_option_print): Update.
2127         (aarch64_declare_function_name): Likewise.
2128         (aarch64_start_file): Likewise.
2129         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2130         the canonical flag for extensions.
2131         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2132         flags.
2134 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2136         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2137         AARCH64_FL_CRC.
2139 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2141         PR tree-optimization/68953
2142         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2143         first to last subscript.
2145 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2147         PR tree-optimization/70586
2148         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2149         for any calls.
2151 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2153         PR lto/70289
2154         PR ipa/70348
2155         PR tree-optimization/70373
2156         PR middle-end/70533
2157         PR middle-end/70534
2158         PR middle-end/70535
2159         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2160         clauses for acc parallel reductions as necessary.  Error on those
2161         that are private.
2162         * omp-low.c (scan_sharing_clauses): Don't install variables which
2163         are used in acc parallel reductions.
2164         (lower_rec_input_clauses): Remove dead code.
2165         (lower_oacc_reductions): Add support for reference reductions.
2166         (lower_reduction_clauses): Remove dead code.
2167         (lower_omp_target): Don't remap variables appearing in acc parallel
2168         reductions.
2169         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2171 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2173         PR middle-end/70593
2174         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2175         with multiple SSA_NAME defs, force the outputs other than first
2176         to be live before calling live_track_process_def on each output.
2178         PR rtl-optimization/70574
2179         * fwprop.c (forward_propagate_and_simplify): Don't add
2180         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2181         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2182         paradoxical subregs within *loc.
2184 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2186         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2187         -ftree-parallelize-loops={0,1}.
2188         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2189         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2190         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2191         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2192         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2194 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2196         PR sanitizer/70541
2197         * asan.c (instrument_derefs): If we get unknown location, extract it
2198         with EXPR_LOCATION.
2199         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2201 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2203         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2204         implicit firstprivate clause.
2206 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2208         PR target/70566
2209         * config/arm/thumb2.md (tst + branch-> lsls + branch
2210         peephole below *orsi_not_shiftsi_si): Require that condition
2211         register is dead after the peephole.
2212         (second peephole after the above): Likewise.
2214 2016-04-08  Alan Modra  <amodra@gmail.com>
2216         PR target/70117
2217         * builtins.c (fold_builtin_classify): For IBM extended precision,
2218         look at just the high-order double to test for NaN.
2219         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2220         test just the high double for Inf but both doubles for subnormal
2221         limit.
2223 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2225         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2226         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2227         node->simdclone->mask_mode != VOIDmode masks.
2228         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2229         earlier, use it instead of node->simdclone.
2230         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2231         Set clonei->mask_mode.
2233 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2235         PR c/70436
2236         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2237         Pass it through to cp_parser_already_scoped_statement.
2238         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2239         it through to cp_parser_statement.
2240         (cp_parser_statement): Pass IF_P through to
2241         cp_parser_iteration_statement.
2242         (cp_parser_pragma): Adjust call to
2243         cp_parser_iteration_statement.
2245 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2247         PR c/70436
2248         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2249         resolve a future -Wparentheses warning.
2250         * omp-low.c (scan_sharing_clauses): Likewise.
2251         * tree-parloops.c (eliminate_local_variables): Likewise.
2253 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2255         PR rtl-optimization/70398
2256         * lra-constraints.c (process_address_1): Check zero scale and code
2257         for reloading with zero scale.
2259 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2261         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2262         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2264 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2266         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2267         Add support for AVX512F clones, include them by default for
2268         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2269         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2270         up to 128.
2272         PR middle-end/70550
2273         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2274         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2275         firstprivate clauses.
2276         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2277         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2278         (lower_omp_target): Set TREE_NO_WARNING for
2279         non-addressable possibly uninitialized vars which are copied into
2280         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2282 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
2284         * config/pa/predicates.md (integer_store_memory_operand): Accept
2285         REG+D operands with a large offset when reload_in_progress is true.
2286         (floating_point_store_memory_operand): Likewise.
2288 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2290         PR c++/70336
2291         * match.pd (nested int casts): Limit to GIMPLE.
2293 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
2295         PR ipa/66223
2296         * ipa-devirt.c (maybe_record_node): Fix comment; use
2297         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2299 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2301         PR rtl-optimization/70542
2302         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2303         if there are any uses other than insn or debug insns.
2305 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
2306             Jakub Jelinek  <jakub@redhat.com>
2308         PR tree-optimization/70509
2309         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2310         Shift HOST_WIDE_INT_1U instead of 1.
2312 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
2314         PR tree-optimization/70509
2315         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2316         of the vector base type for index.
2318 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
2320         PR target/70510
2321         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2323 2016-04-05  Richard Biener  <rguenther@suse.de>
2325         PR tree-optimization/70526
2326         * tree-sra.c (build_ref_for_offset): Use prev_base to
2327         extract the alias pointer type.
2329 2016-04-05  Richard Biener  <rguenther@suse.de>
2331         * dse.c (struct store_info): Remove alias_set member.
2332         (struct read_info_type): Likewise.
2333         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2334         spill_deleted, clear_alias_set_lookup): Remove.
2335         (get_group_info): Remove dead base == NULL_RTX case.
2336         (dse_step0): Remove initialization of removed variables.
2337         (delete_dead_store_insn): Reomve alias set dumping.
2338         (free_read_records): Remove alias_set handling.
2339         (canon_address): Remove alias_set_out parameter.
2340         (record_store): Remove spill_alias_set, it's always zero.
2341         (check_mem_read_rtx): Likewise.
2342         (dse_step2): Rename from ...
2343         (dse_step2_nospill): ... this.  Adjust.
2344         (scan_stores): Rename from ...
2345         (scan_stores_nospill): ... this.
2346         (scan_reads): Rename from ...
2347         (scan_reads_nospill): ... this.
2348         (scan_stores_spill, scan_reads_spill): Remove.
2349         (dse_step3_scan): Remove for_spills argument which is always false.
2350         (dse_step3): Likewise.
2351         (dse_step5): Rename from ...
2352         (dse_step5_nospill): ... this.  Remove alias_set handling.
2353         (rest_of_handle_dse): Adjust.
2355 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2357         PR target/70525
2358         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2359         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2360         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2361         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2363 2016-04-05  Richard Biener  <rguenther@suse.de>
2365         PR middle-end/70499
2366         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2367         non-register type temporaries into SSA.
2369 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
2371         PR ipa/66223
2372         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2373         calls when sanitizing.
2374         (possible_polymorphic_call_target_p): Fix formatting.
2376 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2377             Jakub Jelinek <jakub@redhat.com>
2379         PR middle-end/70457
2380         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2381         to ensure a call statement is compatible with a built-in's
2382         prototype.
2383         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2384         Likewise.
2386 2016-04-04  Richard Biener  <rguenther@suse.de>
2388         PR rtl-optimization/70484
2389         * rtl.h (canon_output_dependence): Declare.
2390         * alias.c (canon_output_dependence): New function.
2391         * dse.c (record_store): Use canon_output_dependence rather
2392         than canon_true_dependence.
2394 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2396         PR ipa/68881
2397         * cgraph.h (symtab_node::copy_visibility_from): New function.
2398         * symtab.c (symtab_node::copy_visibility_from): New function.
2399         * ipa-visibility.c (optimize_weakref): New function.
2400         (function_and_variable_visibility): Use it.
2402 2016-04-04  Martin Liska  <mliska@suse.cz>
2404         PR hsa/70402
2405         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2406         value that is really in range handled by SBR instruction.
2407         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2408         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2409         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2411 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
2413         PR target/70416
2414         PR target/67391
2415         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2416         set, but not for SP_REG operands.
2418 2016-04-02  Martin Sebor  <msebor@redhat.com>
2420         PR c++/67376
2421         * fold-const.c (maybe_nonzero_address): New function.
2422         (fold_comparison): Call it.  Fold equality and relational
2423         expressions involving null pointers.
2424         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2426 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
2428         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2429         the "Y" constraint (scalar FP 0.0 immediate).
2431         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2432         Add the "const_double" to the list of operand constraints.
2434 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
2436         PR rtl-optimization/70467
2437         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2438         If low word of the last operand is 0, just emit addition/subtraction
2439         for the high word.
2441 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2443         PR target/70404
2444         * config/s390/s390.c (s390_expand_insv): Check for everything
2445         constant instead of just VOIDmode stuff.
2447 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2449         PR target/70496
2450         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2452 2016-04-01  Nathan Sidwell  <nathan@acm.org>
2454         * tree.def (TRY_CATCH_EXPR): Correct documentation.
2456 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2458         PR rtl-optimization/70461
2459         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2460         is necessary.
2462 2016-03-31  Martin Liska  <mliska@suse.cz>
2464         PR hsa/70399
2465         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2466         a tree value or an immediate integer value to a buffer
2467         that is eventually copied to a BRIG section.
2468         (emit_immediate_operand): Call the function here.
2469         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2470         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2471         of class' fields that are removed.
2472         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2473         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2474         m_brig_repr_size fields.
2476 2016-03-31  Martin Liska  <mliska@suse.cz>
2478         PR hsa/70391
2479         * hsa-gen.c (hsa_function_representation::update_dominance): New
2480         function.
2481         (convert_addr_to_flat_segment): Likewise.
2482         (gen_hsa_memory_set): New alignment argument.
2483         (gen_hsa_ctor_assignment): Likewise.
2484         (gen_hsa_insns_for_single_assignment): Provide alignment
2485         to gen_hsa_ctor_assignment.
2486         (gen_hsa_insns_for_direct_call): Add new argument.
2487         (expand_lhs_of_string_op): New function.
2488         (expand_string_operation_builtin): Likewise.
2489         (expand_memory_copy): New function.
2490         (expand_memory_set): New function.
2491         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2492         (convert_switch_statements): Change signature.
2493         (generate_hsa): Use a return value of the function.
2494         (pass_gen_hsail::execute): Do not call
2495         convert_switch_statements here.
2496         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2497         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2498         (hsa_function_representation::update_dominance): New function.
2500 2016-03-31  Martin Liska  <mliska@suse.cz>
2502         PR hsa/70391
2503         * hsa-brig.c (emit_directive_variable): Emit alignment
2504         according to hsa_symbol::m_align.
2505         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2506         (dump_hsa_symbol): Dump alignment of HSA symbols.
2507         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2508         (gen_hsa_addr_with_align): New function.
2509         (hsa_bitmemref_alignment): Use newly added function.
2510         (gen_hsa_insns_for_load): Likewise.
2511         (gen_hsa_insns_for_store): Likewise.
2512         (gen_hsa_memory_copy): New argument added.
2513         (gen_hsa_insns_for_single_assignment): Respect
2514         alignment for assignments processed via gen_hsa_memory_copy.
2515         (gen_hsa_insns_for_direct_call): Likewise.
2516         (gen_hsa_insns_for_return): Likewise.
2517         (gen_function_def_parameters): Set default alignment.
2518         * hsa.c (hsa_object_alignment): New function.
2519         (hsa_byte_alignment): Pasted function.
2520         * hsa.h (hsa_symbol::m_align): New field.
2522 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2524         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2525         scratch field for goto case.
2527 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
2529         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2531 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
2533         PR target/70442
2534         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2535         (scalar_chain::convert_insn): Call convert_op for reg
2536         moves to handle undefined registers.
2538 2016-03-31  Nathan Sidwell  <nathan@acm.org>
2540         PR c++/70393
2541         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2542         Assert we don't want to move backwards.
2544 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2546         PR target/70453
2547         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2549 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
2551         PR rtl-optimization/70460
2552         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2553         with operand from REG_LABEL_OPERAND, instead substitute
2554         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2555         Don't do anything for REG_NON_LOCAL_GOTO jumps.
2557 2016-03-31  Martin Liska  <mliska@suse.cz>
2559         * passes.c (execute_one_pass): Do not call
2560         todo_after for a discarded function.
2562 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2564         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2565         (no_cost, infinite_cost): Initialize the new field.
2566         (get_computation_cost_at): Record setup cost.
2567         (determine_use_iv_cost_address): Skip cost computation for sub
2568         uses if we can estimate it without losing accuracy.
2570 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2572         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2573         estimates here.
2574         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2575         max_loop_iterations_int.
2576         (tree_unswitch_outer_loop): Likewise.
2577         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2578         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2580 2016-03-30  Richard Biener  <rguenther@suse.de>
2582         PR middle-end/70450
2583         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2585 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
2587         PR target/70421
2588         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2589         in gen_blendm expander.
2591 2016-03-30  Nick Clifton  <nickc@redhat.com>
2593         PR target/62254
2594         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
2595         case where we are already provided with an SImode SUBREG.
2597 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2599         PR target/70439
2600         * config/i386/i386.c (ix86_expand_epilogue): Properly check
2601         conflict between DRAP register and __builtin_eh_return.
2603 2016-03-30  Michael Matz  <matz@suse.de>
2604             Richard Biener  <rguenther@suse.de>
2606         PR ipa/12392
2607         * ipa-polymorphic-call.c (struct type_change_info): Change
2608         speculative to an unsigned allowing to limit the work we do.
2609         (csftc_abort_walking_p): New inline function..
2610         (check_stmt_for_type_change): Limit the number of may-defs
2611         skipped for speculative devirtualization to
2612         max-speculative-devirt-maydefs.
2613         * params.def (max-speculative-devirt-maydefs): New param.
2614         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
2616 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
2618         PR target/63890
2619         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
2620         and TARGET_MACHO.
2622 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
2624         PR tree-optimization/59124
2625         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
2626         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
2628 2016-03-29  Jeff Law  <law@redhat.com>
2630         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
2632 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2634         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
2635         to HOST_WIDE_INT.
2637 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
2639         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
2640         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
2641         gcrt0.o if linking dynamically.
2643 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2645         PR ipa/70283
2646         * ipa-devirt.c (methods_equal_p): New function.
2647         (compare_virtual_tables): Use it.
2648         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
2649         * cgraphclones.c (clone_function_name_1): Use
2650         symbol_table::symbol_suffix_separator.
2651         * coverage.c (build_var): Likewise.
2652         * symtab.c (symbol_table::symbol_suffix_separator): New.
2654 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
2656         PR rtl-optimization/70429
2657         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
2658         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
2659         mode != result_mode.
2661         PR c++/70353
2662         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
2664         PR tree-optimization/70405
2665         * ssa-iterators.h (num_imm_uses): Add missing braces.
2667 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
2669         PR rtl-optimization/68695
2670         * ira-color.c (allocno_copy_cost_saving): New.
2671         (improve_allocation): Use it.
2673 2016-03-29  Richard Henderson  <rth@redhat.com>
2675         PR middle-end/70355
2676         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
2678 2016-03-29  Richard Biener  <rguenther@suse.de>
2680         PR middle-end/70424
2681         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
2682         use alignment returned by get_pointer_alignment_1 if it is
2683         bigger than BITS_PER_UNIT.
2684         * builtins.c (get_pointer_alignment_1): Do not return true
2685         for alignment extracted from SSA info.
2687 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
2689         * config/ft32/ft32.opt (mnodiv): New.
2690         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
2691         * doc/invoke.texi (FT32 Options -mnodiv): New.
2693 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
2695         PR target/70406
2696         * config/i386/i386.md (define_split, andn): Fix modes.
2698 2016-03-26  Richard Biener  <rguenther@suse.de>
2699             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2701         PR ipa/70366
2702         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
2703         instead of
2704         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
2705         as 2nd argument to cl_optimization_restore().
2707 2016-03-25  Richard Henderson  <rth@redhat.com>
2709         PR target/70120
2710         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
2711         * config/aarch64/aarch64-protos.h: Declare it.
2712         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
2714 2016-03-25  Alan Modra  <amodra@gmail.com>
2716         PR target/70052
2717         * config/rs6000/constraints.md (j): Simplify.
2718         * config/rs6000/predicates.md (easy_fp_constant): Exclude
2719         decimal float 0.D.
2720         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
2721         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
2722          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
2723         in all constraint alternatives.
2724         (movtd_64bit_nodm): Delete "j" constraint alternative.
2726 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2728         * tree-ssa-propagate.c: Enhance docs for
2729         SSA_PROP_NOT_INTERESTING.
2731 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2733         * doc/extend.texi: Fix typo in documentation to pure attribute.
2735 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
2737         PR target/70319
2738         * config/pa/pa.md (bswapdi2): Use a scratch register.
2740 2016-03-24  Richard Henderson  <rth@redhat.com>
2742         PR middle-end/69845
2743         * fold-const.c (extract_muldiv_1): Correct test for multiplication
2744         overflow.
2746 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
2748         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
2749         using ix86_expand_binary_operator instead of gen_andsi3.
2751 2016-03-24  Richard Biener  <rguenther@suse.de>
2753         PR tree-optimization/70396
2754         * tree-vect-stmts.c (vectorizable_comparison): Use
2755         get_vectype_for_scalar_type.
2757 2016-03-24  Richard Biener  <rguenther@suse.de>
2759         PR middle-end/70370
2760         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
2761         with register bases.
2763 2016-03-24  Richard Biener  <rguenther@suse.de>
2765         PR tree-optimization/70372
2766         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
2767         build_all_ones_cst to also handle vector types correctly.
2769 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2771         PR target/70381
2772         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
2773         -mfloat128 here.
2775 2016-03-23  Marek Polacek  <polacek@redhat.com>
2777         PR c++/69884
2778         * doc/invoke.texi: Document -Wignored-attributes.
2780 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2782         PR tree-optimization/69042
2783         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
2784         parameter from 30 to 40.
2786 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2788         PR tree-optimization/69042
2789         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
2790         for use with constant offset stripped in base.
2792 2016-03-23  Richard Biener  <rguenther@suse.de>
2794         PR middle-end/70251
2795         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
2796         mode compatibility check.
2797         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2799 2016-03-23  Jeff Law  <law@redhat.com>
2801         PR tree-optimization/64058
2802         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
2803         CONFLICT_COUNT.
2804         (struct ssa_conflicts): Move up earlier in the file.
2805         (conflicts_, var_map_): New static variables.
2806         (initialize_conflict_count): New function to initialize the
2807         CONFLICT_COUNT field for each conflict pair.
2808         (compare_pairs): Lazily initialize the conflict count and use it
2809         as the first tie-breaker.
2810         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
2811         and wipe conflicts_ and map_ around the call to qsort.  Remove
2812         special case for 2 coalesce pairs.
2813         * bitmap.c (bitmap_count_unique_bits): New function.
2814         (bitmap_count_bits_in_word): New function, extracted from
2815         bitmap_count_bits.
2816         (bitmap_count_bits): Use bitmap_count_bits_in_word.
2817         * bitmap.h (bitmap_count_unique_bits): Declare it.
2819 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
2821         PR target/69917
2822         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
2823         transparent alias chain for decl assembler name.
2824         * config/sol2.c (solaris_assemble_visibility): Likewise.
2826 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2828         * config/arm/arm1020e.md (1020call_op): Reduce reservation
2829         duration.
2830         (v10_fdivs): Likewise.
2831         (v10_fdivd): Likewise.
2833 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2835         PR driver/70132
2836         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
2837         to not call fclose twice on file.
2839 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
2841         PR tree-optimization/70354
2842         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
2843         oprnd0 is wider than oprnd1 and there is a cast from the wider
2844         type to oprnd1, mask it with the mask of the narrower type.
2846         PR target/70321
2847         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
2848         Optimize TARGET_STV splitters, if high or low word of last argument
2849         is 0 or -1.
2851 2016-03-22  Jeff Law  <law@redhat.com>
2853         PR target/70232
2854         tree-ssa-threadbackward.c
2855         (fsm_find_control_statement_thread_paths): Correctly distinguish
2856         between old style jump threads vs FSM jump threads.
2858 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
2860         PR target/70302
2861         * config/i386/i386.c (scalar_chain::convert_op): Support
2862         uninitialized register usage case.
2864 2016-03-22  Richard Biener  <rguenther@suse.de>
2866         PR middle-end/70251
2867         * genmatch.c (gen_transform): Adjust last parameter to a three-state
2868         int...
2869         (capture::gen_transform): ... to change behavior when substituting
2870         a condition into cond or not-cond expr context.
2871         (dt_simplify::gen_1): Adjust.
2872         * gimple-match-head.c: Include gimplify.h for unshare_expr.
2873         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
2874         last change and instead change to
2875         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
2876         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2878 2016-03-22  Anthony Green  <green@moxielogic.com>
2880         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
2881         issue for moxiebox targets.
2882         (CC1PLUS_SPEC): Ditto.
2884 2016-03-22  Richard Biener  <rguenther@suse.de>
2886         PR middle-end/70333
2887         * fold-const.c (extract_muldiv_1): Properly perform multiplication
2888         in the wide type.
2890 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2892         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
2894 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2896         PR target/70325
2897         * config/i386/i386.c (def_builtin): Handle
2898         OPTION_MASK_ISA_AVX512VL to be and-ed with other
2899         bits.
2900         (const struct builtin_description bdesc_special_args[]):
2901         Remove duplicate ISA bits.
2903 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
2905         PR target/70329
2906         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
2907         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
2908         in a way that works also for AVX512BW.
2910         PR target/70300
2911         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
2912         instead of source if operands[1] is xmm16 and above and
2913         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
2914         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
2916         PR c++/70295
2917         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
2918         on assign if (*from_p) is a comparison, set it to
2919         TREE_NO_WARNING (*from_p).
2921 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
2923         PR middle-end/70326
2924         * lra.c (restore_scratches): Ignore deleted insns.
2926 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
2927             Jakub Jelinek  <jakub@redhat.com>
2929         PR tree-optimization/70317
2930         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
2931         to HONOR_NANS.
2933 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
2935         PR target/70327
2936         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
2937         of ix86_expand_move.
2938         (movoi): Ditto.
2939         (movti): Use general_operand for operand 1 predicate.
2941 2016-03-21  Martin Liska  <mliska@suse.cz>
2943         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
2944         insns.
2945         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
2947 2016-03-21  Martin Liska  <mliska@suse.cz>
2949         PR ipa/70306
2950         * ipa-icf.c (sem_function::parse): Skip static
2951         constructors and destructors.
2953 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
2955         PR target/70296
2956         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
2957         function-like macro, peek following token(s) if it is followed
2958         by CPP_OPEN_PAREN token with optional padding in between, and
2959         if not, don't treat it like a macro.
2961 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
2962             Alexander Monakov  <amonakov@ispras.ru>
2964         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
2965         for the stabs debug format.
2967 2016-03-21  Richard Biener  <rguenther@suse.de>
2969         PR tree-optimization/70310
2970         * tree-vect-generic.c (expand_vector_condition): Fold the built
2971         condition.
2973 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
2975         PR target/70293
2976         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
2977         Block third alternative for AVX-512VL target,
2979 2016-03-21  Martin Liska  <mliska@suse.cz>
2981         PR hsa/70234
2982         * hsa-brig.c (emit_function_directives): Mark unemitted
2983         global variables for emission.
2984         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
2985         (get_symbol_for_decl): Likewise.
2986         * hsa.h (struct hsa_symbol): New flag.
2988 2016-03-21  Richard Biener  <rguenther@suse.de>
2990         PR tree-optimization/70288
2991         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
2992         we do not estimate unsimplified all-constant conditionals or
2993         switches as optimized away.
2995 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
2997         PR rtl-optimization/69102
2998         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
2999         when we have a readonly dependency context.
3001 2016-03-18  Jeff Law  <law@redhat.com>
3003         PR rtl-optimization/70263
3004         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3005         (update_equiv_regs): When trying to move a store to after the insn
3006         that sets the source of the store, make sure the store occurs after
3007         the insn that sets the source of the store.  When successful note
3008         the REG_EQUIV note created in the dump file.
3010 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3011             Bernd Schmidt  <bschmidt@redhat.com>
3013         * doc/extend.texi: Document more potential problems with basic asms.
3015 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3017         PR rtl-optimization/70278
3018         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3019         VOIDmode.
3021 2016-03-18  Jason Merrill  <jason@redhat.com>
3023         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3025 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3027         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3028         values to 128b regs.
3030 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3032         PR tree-optimization/70252
3033         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3034         boolean vector has a proper number of elements.
3035         (supportable_narrowing_operation): Likewise.
3037 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3039         PR ipa/70269
3040         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3042 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3044         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3045         instead of replace_rtx for DEBUG_INSNs.
3047 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3049         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3050         load type reservations.
3052 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3054         PR target/70188
3055         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3056         define_constraint for "Q" and "T" constraints.
3058 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3060         Tweak the pipeline model for Exynos M1
3062         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3063         model.
3065 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3067         PR c/70264
3068         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3069         where one or both locations aren't within a line_map.
3071 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3073         PR driver/70192
3074         * opts.c (finish_options): Don't set flag_pie to the default if
3075         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3076         if it is -1.
3078 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3080         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3081         true as ALL_REGS argument to replace_rtx.
3083 2016-03-17  Richard Biener  <rguenther@suse.de>
3085         PR debug/70271
3086         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3087         last.
3089 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3091         PR target/70245
3092         * rtl.h (replace_rtx): Add ALL_REGS argument.
3093         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3094         equality and assert mode is the same, instead of just rtx pointer
3095         equality.
3096         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3097         true as ALL_REGS argument to replace_rtx.
3099 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3101         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3102         for boolean vector with vector mode only.
3103         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3105 2016-03-17  Nick Clifton  <nickc@redhat.com>
3107         PR target/70162
3108         * config/rx/rx.c (rx_print_integer): Print negative constants in
3109         decimal.
3111 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3113         PR target/70261
3114         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3116 2016-03-16  Richard Henderson  <rth@redhat.com>
3117             Richard Biener  <rguenth@suse.de>
3119         PR middle-end/70240
3120         PR middle-end/68215
3121         PR tree-opt/68714
3122         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3123         first operand as is_gimple_condexpr.
3125         PR middle-end/70240
3126         PR middle-end/68215
3127         Revert r231575
3128         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3129         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3130         Do not gimplify the result.
3131         (do_unop): Adjust call to tree_vec_extract.
3132         (do_binop): Likewise.
3133         (do_compare): Likewise.
3134         (do_plus_minus): Likewise.
3135         (do_negate): Likewise.
3136         (expand_vector_condition): Likewise.
3137         (do_cond): Likewise.
3139 2016-03-16  Richard Henderson  <rth@redhat.com>
3141         PR target/70048
3142         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3143         (aarch64_classify_address): Use it.
3144         (aarch64_legitimize_address): Force all subexpressions of PLUS
3145         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3147 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3148             Richard Biener  <rguenth@suse.de>
3150         PR target/70245
3151         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3152         return to even if only REGNO is equal, and assert
3153         mode is the same.
3155 2016-03-11  Jeff Law  <law@redhat.com>
3157         PR rtl-optimization/70224
3158         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3160 2016-03-16  Richard Henderson  <rth@redhat.com>
3162         PR middle-end/70199
3163         * function.h (struct function): Add has_forced_label_in_static.
3164         * gimplify.c (force_labels_r): Set it.
3165         * lto-streamer-in.c (input_struct_function_base): Read it.
3166         * lto-streamer-out.c (output_struct_function_base): Write it.
3167         * tree-inline.c (has_label_address_in_static_1): Remove.
3168         (copy_forbidden): Remove fndecl parameter; test
3169         has_forced_label_in_static.
3170         (inline_forbidden_p): Update call to copy_forbidden.
3171         (tree_versionable_function_p): Likewise.
3172         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3173         (chkp_versioning): Likewise.
3174         * tree-inline.h (copy_forbidden): Update decl.
3176 2016-03-16  Marek Polacek  <polacek@redhat.com>
3178         PR c/70093
3179         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3180         function being thunked if the result type doesn't have fixed size.
3181         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3182         doesn't have fixed size.
3184 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3186         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3187         reporting malformed loop nest.
3189 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3191         PR lto/70187
3192         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3193         nodes.length () == 1 test to before first nodes[0] access.
3195 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3197         PR tree-optimization/68715
3198         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3199         single_pred_p test.
3201 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3203         PR tree-optimization/68809
3204         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3205         are the same.
3207 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3208             Sandra Loosemore  <sandra@codesourcery.com>
3210         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3211         on leaf attribute. Mention ELF interposition problems.
3213 2016-03-16  Alan Modra  <amodra@gmail.com>
3215         PR rtl-optimization/69195
3216         PR rtl-optimization/47992
3217         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3218         Add comments.
3220 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3222         PR bootstrap/69513
3223         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3225 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3227         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3229 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3231         PR rtl-optimization/70222
3232         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3233         optimization if mode is different from result_mode, queue up masking
3234         of the result in outer_op.  Formatting fix.
3236         PR middle-end/70239
3237         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3238         of safe_grow.
3240 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3242         PR rtl-optimization/69032
3243         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3244         looping backwards over basic block insns.
3246 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3248         PR target/66660
3249         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3250         to non-speculative when propagating trap bits.
3252 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3254         PR rtl-optimization/63384
3255         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3256         DEBUG_INSN_P insns.
3258 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3260         PR target/64411
3261         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3262         factored out from ...
3263         (sched_analyze_insn): ... here.
3264         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3265         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3266         get_implicit_reg_pending_clobbers in it.
3267         (setup_id_reg_sets): Use setup_id_implicit_regs.
3268         (deps_init_id): Ditto.
3270 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3272         PR ipa/70161
3273         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3274         dump_file_name.
3275         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3276         execute_function_dump.
3277         (execute_one_pass): Don't dump function if it will be dumped after ipa
3278         transform.
3280 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3282         * genrecog.c (match_pattern_2): If pred is NULL don't call
3283         safe_predicate_mode on it.
3285 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
3287         PR middle-end/70219
3288         * lra-constraints.c (delete_move_and_clobber): Change assertion
3289         to also allow dregno == 0.
3291 2016-03-14  Richard Henderson  <rth@redhat.com>
3293         PR tree-opt/68714
3294         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3295         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3296         (reassociate_bb): Use optimize_vec_cond_expr; avoid
3297         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3298         on vectors.
3300 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3302         PR target/70083
3303         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3304         regs.
3305         (lra_create_live_ranges_1): initialize hard register biggest_mode to
3306         VOIDmode.
3307         * lra-constraints.c (split_reg): For hard regs, try to find the
3308         biggest single-register mode used in the function.
3310 2016-03-14  Richard Biener  <rguenther@suse.de>
3312         PR tree-optimization/56365
3313         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3314         constants to compare against.
3316 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
3318         PR target/70098
3319         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3320         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3321         (define_split for the GPR case): Use int_reg_operand instead of
3322         gpc_reg_operand for the output.
3324 2016-03-14  Tom de Vries  <tom@codesourcery.com>
3326         PR tree-optimization/70045
3327         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3328         create_empty_if_region_on_edge argument.
3330 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
3332         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3333         (STACK_CHECK_PROTECT): Likewise.
3334         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3335         (STACK_CHECK_PROTECT): Likewise.
3336         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3337         (STACK_CHECK_PROTECT): Likewise.
3338         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3339         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3340         (STACK_CHECK_PROTECT): Likewise.
3342 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
3344         PR rtl-optimization/69307
3345         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3346         registers in modes that span more than one register.
3348 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3350         PR target/69614
3351         * lra-constraints.c (delete_move_and_clobber): New.
3352         (remove_inheritance_pseudos): Use it.
3354 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
3356         PR ada/70017
3357         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3358         the libcall is LCT_THROW.
3359         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3360         for the checking routine.
3362 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3364         PR target/70131
3365         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3366         optimization if we have direct move.
3367         (roundu32<mode>2_fprs): Likewise.
3369 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
3371         PR target/70123
3372         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3373         be rematerialized.
3374         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3375         Arguments swapped.  All callers changed.  Take reg_renumber into
3376         account, and Calculate and compare register ranges for hard regs.
3378 2016-03-11  Jeff Law  <law@redhat.com>
3380         PR tree-optimization/70190
3381         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3382         Handle cases where we can not extract the taken edge, even though we
3383         found a constant value.
3385         PR tree-optimization/64058
3386         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3387         (num_coalesce_pairs): Move up earlier in file.
3388         (find_coalesce_pair): Initialize the INDEX field for each pair
3389         discovered.
3390         (compare_pairs): No longer sort on the elements in each pair.
3391         Instead break ties with the index of the coalesce pair.
3393 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3395         PR target/70002
3396         * config/aarch64/aarch64-protos.h
3397         (aarch64_save_restore_target_globals): New prototype.
3398         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3399         Call the above when popping pragma.
3400         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3401         New function.
3402         (aarch64_set_current_function): Rewrite using the above.
3404 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3406         PR tree-optimization/70177
3407         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3408         (extract_ops_from_tree): ... this.  In the 2 argument
3409         overload remove _1 suffix.
3410         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3411         (extract_ops_from_tree): ... this.
3412         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3413         Adjust callers.
3414         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3415         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3416         extract_ops_from_tree instead of 2 operand one.
3418 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
3420         PR tree-optimization/70013
3421         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3422         for constant-pool entries.
3424 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3426         PR rtl-optimization/70174
3427         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3428         followed by gen_lowpart on force_reg instead of just gen_lowpart.
3430         PR tree-optimization/70169
3431         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3432         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
3433         for unknown codes.
3435 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3436             Jakub Jelinek  <jakub@redhat.com>
3438         PR target/70160
3439         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3440         of uninitialized values.
3442 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3444         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3445         define_expand.
3446         ("*trunctddd2"): New pattern definition.
3447         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3448         TD->DD truncation.
3450 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3452         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3453         definitions for BFP and DFP rounding modes.
3454         ("fixuns_truncdddi2", "fixuns_trunctddi2")
3455         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3456         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3457         ("fix_trunctf<mode>2"): Use the new constants instead of magic
3458         numbers.
3460 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3462         * config/s390/constraints.md: Adjust comment.
3463         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
3464         s390_decompose_addrstyle_without_index.
3465         * config/s390/predicates.md (shift_count_or_setmem_operand):
3466         Rename to setmem_operand.
3467         * config/s390/s390-protos.h
3468         (s390_decompose_shift_count): Rename to
3469         s390_decompose_addrstyle_without_index.
3470         * config/s390/s390.c (s390_decompose_shift_count)
3471         (s390_mem_constraint, print_shift_count_operand)
3472         (print_operand_address, print_operand): Rename
3473         s390_decompose_shift_count to
3474         s390_decompose_addrstyle_without_index and rename
3475         print_shift_count_operand to print_addrstyle_operand troughout the
3476         file.
3477         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3478         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3479         Rename shift_count_or_setmem_operand to setmem_operand.
3480         * config/s390/vx-builtins.md ("vec_insert<mode>")
3481         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3482         nonmemory_operand.
3484 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3486         PR target/70168
3487         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3488         Handle overlapping retval and newval.
3490 2016-03-10  Nick Clifton  <nickc@redhat.com>
3492         PR target/7044
3493         * config/aarch64/aarch64.c
3494         (aarch64_override_options_after_change_1): When forcing
3495         flag_omit_frame_pointer to be true, use a special value that can
3496         be detected if this function is called again, thus preventing
3497         flag_omit_leaf_frame_pointer from being forced to be false.
3499 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3501         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3502         Set x_flag_omit_leaf_frame_pointer when handling
3503         -momit-leaf-frame-pointer.
3505 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3507         PR lto/69589
3508         * cgraph.c (cgraph_node::dump): Dump split_part and
3509         indirect_call_target.
3510         * cgraph.h (cgraph_node): Add indirect_call_target flag.
3511         * ipa.c (has_addr_references_p): Cleanup.
3512         (is_indirect_call_target_p): New.
3513         (walk_polymorphic_call_targets): Do not mark virtuals that may be
3514         called indirectly as local.
3515         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3517 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3519         PR ipa/69630
3520         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3521         on cxa_pure_virtual.
3523 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3525         PR lto/69589
3526         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3528 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3530         PR lto/69589
3531         * tree.c (need_assembler_name_p): Only record main variant type names.
3533 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3535         PR target/70113.
3536         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3537         Always define to 0 or 1.
3538         (TARGET_FIX_ERR_A53_843419): New macro.
3539         * config/aarch64/aarch64-elf-raw.h
3540         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3541         * config/aarch64/aarch64-linux.h: Likewise.
3542         * config/aarch64/aarch64.c
3543         (aarch64_override_options_after_change_1): Do not default
3544         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3545         843419 is on.
3546         (aarch64_attributes): Handle fix-cortex-a53-843419.
3547         (aarch64_can_inline_p): Likewise.
3548         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3550 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
3551         Jakub Jelinek <jakub@redhat.com>
3553         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3554         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3555         DECL_COMMONS if flag_unconstrained_commons is set.
3556         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3557         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3558         (funconstrained-commons): Document.
3560 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3562         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3563         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3565 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
3567         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3568         has a proper number of elements.
3570 2016-03-10  Alan Modra  <amodra@gmail.com>
3572         PR rtl-optimization/69195
3573         PR rtl-optimization/47992
3574         * ira.c (recorded_label_ref): Delete.
3575         (update_equiv_regs): Return void.
3576         (indirect_jump_optimize): New function.
3577         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3578         before regstat_compute_ri.  Don't rebuild_jump_labels here.
3579         Delete update_regstat.
3581 2016-03-10  Richard Biener  <rguenther@suse.de>
3583         PR tree-optimization/70128
3584         * tree-ssa-structalias.c (set_uids_in_ptset): Set
3585         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3587 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3589         PR tree-optimization/70152
3590         * tree-sra.c (replace_removed_params_ssa_names): Copy over
3591         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
3593         PR target/70086
3594         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
3595         instead of gen_sse2_loadlpd.
3596         * config/i386/sse.md (*vec_concatv2df): Rename to...
3597         (vec_concatv2df): ... this.
3599         PR tree-optimization/70127
3600         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
3602 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
3604         PR c/68473
3605         PR c++/70105
3606         * diagnostic-show-locus.c (compatible_locations_p): New function.
3607         (layout::layout): Sanitize ranges using compatible_locations_p.
3609 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
3611         PR c/68473
3612         PR c++/70105
3613         * diagnostic-show-locus.c (layout_range::layout_range): Replace
3614         location_range param with three const expanded_locations * and a
3615         bool.
3616         (layout::layout): Replace call to
3617         rich_location::lazily_expand_location with get_expanded_location.
3618         Extract the range and perform location expansion here, passing
3619         the results to the layout_range ctor.
3620         * diagnostic.c (source_range::debug): Delete.
3621         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
3622         of rich_location::get_expanded_location.
3623         * gcc-rich-location.c (get_range_for_expr): Delete.
3624         (gcc_rich_location::add_expr): Reimplement to avoid the
3625         rich_location::add_range overload that took a location_range,
3626         passing a location_t instead.
3628 2016-03-09  Richard Biener  <rguenther@suse.de>
3629         Jakub Jelinek  <jakub@redhat.com>
3631         PR tree-optimization/70138
3632         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3633         Also skip vect_double_reduction_def.
3635 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3637         PR target/70049
3638         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
3639         if the operand is "m".
3641 2016-03-09  Nathan Sidwell  <nathan@acm.org>
3643         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
3645 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3647         * config/i386/i386.c (processor_target_table): Fix cost table
3648         intialization order for znver1.
3650 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3652         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
3653         - becuase -> because.
3654         * ipa-reference.c (ignore_module_statics): Likewise.
3655         * cgraph.c (cgraph_node::get_body): Likewise.
3656         * ipa-inline.c (early_inliner): Likewise.
3657         * ipa-devirt.c (types_same_for_odr): Likewise.
3658         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
3659         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
3661 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3663         * tree-ssa-math-opts.c: Fix typo in comment.
3665 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3667         PR target/70110
3668         * config/i386/i386.c (scalar_chain::make_vector_copies,
3669         scalar_chain::convert_reg): Call end_sequence in between
3670         get_insns and emit_conversion_insns rather than after both
3671         calls.
3673 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
3675         PR target/70064
3676         * config/i386/i386.h (machine_function): Add
3677         pc_thunk_call_expanded flag.
3678         (ix86_pc_thunk_call_expanded): New define.
3679         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
3680         (*set_got): Rename insn pattern from set_got.
3681         (*set_got_labelled): Rename inst pattern from set_got_labelled.
3682         * config/i386/i386.c (ix86_compute_frame_layout): Use
3683         ix86_pc_thunk_call_expanded to prevent red-zone.
3685 2016-03-07  Martin Jambor  <mjambor@suse.cz>
3687         * hsa.h (hsa_get_ctor_statements): Declare.
3688         (hsa_get_dtor_statements): Likewise.
3689         (hsa_get_kernel_dispatch_type): Likewise.
3690         * hsa.c (hsa_get_ctor_statements): New function.
3691         (hsa_get_dtor_statements): Likewise.
3692         (hsa_get_kernel_dispatch_type): Likewise.
3693         * hsa-brig.c (hsa_cdtor_statements): Removed.
3694         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
3695         hsa_get_dtor_statements.
3696         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
3697         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
3699 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3701         * config/arm/arm-cores.def (cortex-r8): New.
3702         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
3703         * config/arm/arm-tune.md: Likewise.
3704         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
3706 2016-03-07  Martin Sebor  <msebor@redhat.com>
3708         PR rtl-optimization/19705
3709         * doc/invoke.texi (Options That Control Optimization): Clarify
3710         -fno-branch-count-reg.
3712 2016-02-26  Richard Biener  <rguenther@suse.de>
3713             Jeff Law  <law@redhat.com>
3715         PR tree-optimization/69740
3716         * cfghooks.c (remove_edge): Request loop fixups if we delete
3717         an edge that might turn an irreducible loop into a natural
3718         loop.
3719         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
3720         Move after definition of loops_state_clear.
3722 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
3724         PR rtl-optimization/69052
3725         * rtlanal.c (commutative_operand_precedence): Set higher precedence
3726         to CONST_WIDE_INT.
3728 2016-03-07  Tom de Vries  <tom@codesourcery.com>
3730         PR tree-optimization/70116
3731         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
3732         is_tm_ending stmts and ubsan/asan internal functions.
3733         (find_duplicate): Use it.  Don't test is_tm_ending here.
3735 2016-03-07  Richard Biener  <rguenther@suse.de>
3737         PR tree-optimization/70115
3738         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
3739         (propagate_constants_for_unrolling): Use replace_uses_by.
3741 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
3743         PR middle-end/69916
3744         * omp-low.c (struct oacc_loop): Add ifns.
3745         (new_oacc_loop_raw): Initialize it.
3746         (finish_oacc_loop): Clear mask & flags if no ifns.
3747         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
3748         (oacc_loop_xform_loop): Add ifns arg & adjust.
3749         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
3751 2016-03-07  Richard Henderson  <rth@redhat.com>
3753         PR rtl-opt/70061
3754         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
3755         (insert_value_copy_on_edge): Likewise.
3757 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3759         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
3761 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3763         PR target/62281
3764         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
3766 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3768         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
3770 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3772         Fix sseimul type attribute.
3773         * config/i386/znver1.md
3774         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
3775         znver1_sseimul_avx256_load) : Fix the type attribute.
3776         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
3777         pipe usage and latency.
3779 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
3781         PR c++/70084
3782         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
3783         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
3784         to the right type.
3786 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3788         PR c/69973
3789         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
3791         PR rtl-optimization/69941
3792         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
3793         the reg share its mode.
3795 2016-03-04  Jeff Law  <law@redhat.com>
3797         PR tree-optimization/69196
3798         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3799         If the both SSA_NAMEs are anonymous, then consider them unassociated
3800         and include the PHI in the statement count.
3802 2016-03-05  Tom de Vries  <tom@codesourcery.com>
3804         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
3805         construct in oacc routine.  Check for oacc region in oacc routine.
3807 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3809         PR target/70062
3810         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
3811         2016-02-22 changes, instead don't recurse if RECUR is already true.
3812         Don't change *dynamic_check if RECUR.  Adjust recursive caller
3813         to pass true to the new argument.
3814         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
3816         PR target/70059
3817         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3818         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
3819         fixes.
3820         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
3822 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3824         PR rtl-optimization/57676
3825         * lra-assigns.c (lra_assign): Guard test for maximum iterations
3826         with flag_checking.
3828 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
3830         * tree-vect-patterns.c (search_type_for_mask): Handle
3831         comparison of booleans.
3833 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3835         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
3836         Fix @xref usage.
3838         PR debug/69947
3839         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
3840         all other ops that have dw_val_class_die_ref operands,
3841         and DW_OP_GNU_entry_value.
3843 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3845         PR rtl-optimization/69904
3846         * config/arm/arm.c (arm_cannot_copy_insn_p):
3847         Return true for load-exclusive instructions.
3849 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
3851         PR target/70021
3852         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
3853         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
3854         the pattern no matter if it is used just by non-pattern, pattern
3855         or mix thereof.
3856         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
3857         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3858         oprnd1 def_stmt is in pattern, don't look through it.
3860 2016-03-03  Marek Polacek  <polacek@redhat.com>
3862         PR middle-end/70050
3863         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
3865 2016-03-03  Martin Liska  <mliska@suse.cz>
3867         PR tree-optimization/70043
3868         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
3869         previous statement if we see a debug statement.
3871 2016-03-03  Richard Biener  <rguenther@suse.de>
3873         PR tree-optimization/55936
3874         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
3875         parameter and guard unsafe equivalence use.
3876         (vrp_evaluate_conditional_warnv_with_ops): Always use
3877         safe equivalences but not via the quadratic compare_names
3878         helper.
3880 2016-03-03  Michael Collison  <michael.collison@linaro.org>
3882         PR target/70014
3883         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
3884         for operand 1 to s_register_operand. Change predicate for operand
3885         2 to arm_not_immediate_operand.
3887 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
3889         * doc/tm.texi: Regenerated.
3891 2016-03-02  Richard Henderson  <rth@redhat.com>
3893         PR rtl-opt/67145
3894         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
3895         simplification when all args are positive non-fixed registers.
3897 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3899         * target.def (lra_p): Specify that new ports should use LRA.
3901 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3903         PR libgomp/69555
3904         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
3905         gimplify_type_sizes the type they refer to.
3906         (omp_notice_variable): Handle reference vars to VLAs.
3907         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
3908         reference to VLA decls in the second pass instead of first pass.
3910 2016-03-02  Tom de Vries  <tom@codesourcery.com>
3912         PR tree-optimization/68659
3913         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
3914         new_expr == NULL_TREE.
3915         (get_new_name): Handle ADDR_EXPR.
3917 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
3919         PR rtl-optimization/69052
3920         * loop-invariant.c (canonicalize_address): New function.
3921         (inv_can_prop_to_addr_use): Check validity of address expression
3922         which is canonicalized by above function.
3924 2016-03-02  Alan Modra  <amodra@gmail.com>
3926         PR ipa/69990
3927         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
3928         larger alignment.
3930 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3932         PR target/70028
3933         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
3934         (*movhi_internal): Put mask moves from and to memory separately
3935         from moves from/to GPRs.
3937 2016-03-02  Richard Biener  <rguenther@suse.de>
3939         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
3940         GENERIC expressions in GIMPLE.
3942 2016-03-02  Richard Biener  <rguenther@suse.de>
3944         * config/i386/i386.c (type_natural_mode): Fix typo.
3946 2016-03-02  Nick Clifton  <nickc@redhat.com>
3948         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
3950 2016-03-02  Richard Biener  <rguenther@suse.de>
3951             Uros Bizjak  <ubizjak@gmail.com>
3953         PR target/67278
3954         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
3956 2016-03-02  Richard Biener  <rguenther@suse.de>
3958         PR middle-end/67278
3959         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
3961 2016-03-02  Marek Polacek  <polacek@redhat.com>
3963         PR c/67854
3964         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
3965         "is promoted to" warning.
3967 2016-03-01  DJ Delorie  <dj@redhat.com>
3969         * config.gcc: Deprecate mep-*.
3971 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
3973         PR middle-end/70025
3974         * lra-constraints.c (regno_val_use_in): New.
3975         (match_reload): Use it instead of regno_use_in.
3977 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
3979         PR rtl-optimization/70007
3980         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
3981         references present in REG_EQUAL notes attached to non-SET patterns.
3983 2016-03-01  Jeff Law  <law@redhat.com>
3985         PR tree-optimization/69196
3986         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3987         Appropriately clamp the number of statements to copy when the
3988         thread path does not traverse a loop backedge.
3990         PR tree-optimization/69196
3991         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3992         Do count some PHIs in the thread path against the insn count.  Decrease
3993         final statement count by one as the control statement in the last
3994         block will get removed.  Remove special cased code for handling PHIs
3995         in the last block.
3997 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
3999         PR target/70027
4000         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4001         asm dialect alternatives to explicit GOTPCREL calls.
4003 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4005         PR ada/70017
4006         * ira.c (do_reload): Issue warning for generic stack checking here...
4007         * reload1.c (reload): ...instead of here and streamline it.
4009 2016-03-01  Nick Clifton  <nickc@redhat.com>
4011         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4013 2016-03-01  Richard Biener  <rguenther@suse.de>
4015         PR tree-optimization/69983
4016         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4017         types and fall back to operand_equal_p.
4019 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4021         Revert
4022         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4024         * config/s390/constraints.md ("jm8"): New constraint.
4025         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4026         predicate.
4027         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4028         into ...
4029         ("*setmem_long<setmem_and>"): New pattern.
4030         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4031         into ...
4032         ("*setmem_long_31z<setmem_and>"): New pattern.
4033         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4034         New substitution rules with the required attributes.
4037 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4039         Revert
4040         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4042         * gensupport.c (process_substs_on_one_elem): Split loop to
4043         complete mark_operands_used_in_match_dup on all expressions in the
4044         vector first.
4045         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4046         and remove function.
4048 2016-03-01  Richard Biener  <rguenther@suse.de>
4050         PR middle-end/70022
4051         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4052         vector BIT_FIELD_REF extract.
4054 2016-03-01  Richard Biener  <rguenther@suse.de>
4056         PR tree-optimization/69994
4057         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4059 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4061         PR tree-optimization/69956
4062         * tree-vect-stmts.c (supportable_widening_operation): Support
4063         multi-step conversion of boolean vectors.
4064         (supportable_narrowing_operation): Likewise.
4066 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4068         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4069         anymore.
4071 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4073         * config/s390/subst.md (DSI_VI): New mode iterator.
4074         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4075         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4076         the insn definition.
4077         ("*vec_set<mode>"): Change predicate and add alternative to
4078         support only either register or const_int operands as element
4079         selector.
4080         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4081         operands.
4082         ("vec_extract<mode>"): New expander.
4083         ("*vec_extract<mode>"): New insn definition supporting reg and
4084         const_int element selectors.
4085         ("*vec_extract<mode>_plus"): New insn definition supporting
4086         reg+const_int element selectors.
4087         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4088         following expander+insn definition.
4089         ("<vec_shifts_name><mode>3"): New expander.
4090         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4092 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4094         * config/s390/s390.md ("*tabort_1"): Change predicate to
4095         nonmemory_operand.  Add a second alternative to cover
4096         register as well as const int operands.
4097         ("*tabort_1_plus"): New pattern definition.
4099 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4101         * config/s390/s390.md ("*ashrdi3_cc_31")
4102         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4103         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4104         Merge insn definitions into ...
4105         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4106         New pattern definition.
4107         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4108         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4109         ("*ashr<mode>3_and"): Merge insn definitions into ...
4110         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4111         New pattern definition.
4112         * config/s390/subst.md ("addr_style_op_cc_subst")
4113         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4114         substitutions patterns plus attributes.
4115         Add ashiftrt to SUBST iterator.
4117 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4119         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4120         op2 to nonmemory_operand.
4121         ("*<shift>di3_31", "*<shift>di3_31_and"):
4122         Merge into single pattern definition ...
4123         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4124         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4125         pattern definition ...
4126         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4127         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4128         iterator.
4130 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4132         * config/s390/predicates.md (const_int_6bitset_operand): New
4133         predicate.
4134         * config/s390/s390.md: Include subst.md.
4135         ("rotl<mode>3"): New expander.
4136         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4137         ...
4138         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4139         * config/s390/subst.md: New file.
4141 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4143         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4144         Remove RRR type.  It doesn't really exist.
4145         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4146         attributes.
4147         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4148         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4149         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4150         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4151         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4152         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4153         `enabled' attribute.
4155 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4157         * gensupport.c (process_substs_on_one_elem): Split loop to
4158         complete mark_operands_used_in_match_dup on all expressions in the
4159         vector first.
4160         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4161         and remove function.
4163 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4165         PR target/69706
4166         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4167         (CEIL_NWORDS): ...this.  Use CEIL macro.
4168         (compute_fp_layout): Adjust to above renaming.
4169         (function_arg_union_value): Likewise.
4170         (sparc_arg_partial_bytes): Likewise.
4171         (sparc_function_arg_advance): Likewise.
4173 2016-02-29  Jeff Law  <law@redhat.com>
4175         PR tree-optimization/70005
4176         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4177         where an object with a boolean range is compared against a value
4178         outside [0..1].
4180         PR tree-optimization/69999
4181         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4182         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4183         loop cleanups.
4185 2016-02-29  Richard Biener  <rguenther@suse.de>
4187         PR tree-optimization/69994
4188         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4189         (get_unary_op): Look through nop conversions.
4190         (ops_equal_values_p): New function, look for equality diregarding
4191         nop conversions.
4192         (eliminate_plus_minus_pair): Use ops_equal_values_p
4193         (repropagate_negates): Do not use get_unary_op here.
4195 2016-02-29  Martin Liska  <mliska@suse.cz>
4197         * system.h: Poison ENABLE_CHECKING macro.
4199 2016-02-29  Martin Liska  <mliska@suse.cz>
4201         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4202         is presented in dump flags.
4203         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4204         (hsa_regalloc): Likewise.
4206 2016-02-19  Richard Biener  <rguenther@suse.de>
4208         PR tree-optimization/69980
4209         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4210         permutation of those we need to keep.
4212 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4214         PR target/69706
4215         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4216         (NWORDS_UP): ...this
4217         (init_cumulative_args): Minor tweaks.
4218         (sparc_promote_function_mode): Likewise.
4219         (scan_record_type): Delete.
4220         (traverse_record_type): New function template.
4221         (classify_data_t): New structure type.
4222         (classify_registers): New inline function.
4223         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4224         exhausted.  Instantiate traverse_record_type on classify_registers and
4225         deal with the case of a structure passed in slot #15 with no FP field
4226         in the first word.
4227         (assign_data_t): New structure type.
4228         (compute_int_layout): New static function.
4229         (compute_fp_layout): Likewise.
4230         (count_registers): New inline function.
4231         (assign_int_registers): New static function.
4232         (assign_fp_registers): Likewise.
4233         (assign_registers): New inline function.
4234         (function_arg_record_value_1): Delete.
4235         (function_arg_record_value_2): Likewise.
4236         (function_arg_record_value_3): Likewise.
4237         (function_arg_record_value): Adjust to above changes.  Instantiate
4238         traverse_record_type on count_registers to first count the number of
4239         registers to be used and then on assign_registers to assign them.
4240         (function_arg_union_value): Adjust to above renaming.
4241         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4242         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4243         case of a structure passed in slot #15
4244         (sparc_function_arg_advance): Likewise.
4245         (function_arg_padding): Minor tweak.
4247 2016-02-29  Richard Biener  <rguenther@suse.de>
4249         PR tree-optimization/69720
4250         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4251         the adjustment_def path for possibly vectorized defs.
4252         (vect_create_epilog_for_reduction): Handle vectorized initial
4253         defs properly.
4255 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4257         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4259 2016-02-27  Jeff Law  <law@redhat.com>
4261         Revert
4262         2016-02-26  Richard Biener  <rguenther@suse.de>
4263                     Jeff Law  <law@redhat.com>
4265         PR tree-optimization/69740
4266         * cfghooks.c (remove_edge): Request loop fixups if we delete
4267         an edge that might turn an irreducible loop into a natural
4268         loop.
4270 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4272         PR rtl-optimization/69896
4273         * tree-vect-generic.c (get_compute_type): Avoid single element
4274         vector types.
4276 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4278         Rename the AArch64 tuning option and related functions to enable the
4279         Newton series for the reciprocal square root to reflect its
4280         approximative characteristic.
4282         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4283         function to "aarch64_emit_approx_rsqrt".
4284         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4285         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4286         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4287         (xgene1_tunings): Likewise.
4288         (use_rsqrt_p): Likewise.
4289         (aarch64_emit_swrsqrt): Use new function name.
4290         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4291         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4292         text explaining this option.
4293         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4295 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4297         PR target/69969
4298         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4299         complain about -mallow-movmisalign without -mvsx if
4300         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4302 2016-02-26  Joel Sherrill  <joel@rtems.org>
4304         * config.gcc: Add x86_64-*-rtems*.
4305         * gcc/config/i386/rtems-64.h: New file.
4307 2016-02-26  Joel Sherrill  <joel@rtems.org>
4309         * config.gcc: Add aarch64-*-rtems*.
4310         * gcc/config/aarch64/rtems.h: New file.
4312 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
4314         PR target/69946
4315         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4316         shift amount using %h.  Add comment.
4318 2016-02-26  Richard Biener  <rguenther@suse.de>
4319             Jeff Law  <law@redhat.com>
4321         PR tree-optimization/69740
4322         * cfghooks.c (remove_edge): Request loop fixups if we delete
4323         an edge that might turn an irreducible loop into a natural
4324         loop.
4326 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4328         PR middle-end/69920
4329         * tree-sra.c (sra_modify_assign): Do not remove loads of
4330         uninitialized aggregates to SSA_NAMEs.
4332 2016-02-26  Richard Henderson  <rth@redhat.com>
4334         PR target/69709
4335         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4336         pseudo in case the target rtx matches the source of the left
4337         shift.
4339 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4341         PR hsa/69568
4342         * hsa.h (hsa_type_packed_p): Declare.
4343         * hsa.c (hsa_type_packed_p): New function.
4344         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4345         loads.
4346         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4347         * hsa-brig.c (emit_basic_insn): Likewise.
4349 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4351         pr hsa/69674
4352         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4353         pointers.
4354         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4356 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4358         * hsa.h (is_a_helper): New overload for hsa_op_immed for
4359         hsa_op_with_type operands.
4360         (hsa_unsigned_type_for_type): Declare.
4361         * hsa.c (hsa_unsigned_type_for_type): New function.
4362         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4363         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4364         the finalizer.  Do not emit extra move.
4366 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4368         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4369         atomic operations in private segment.
4371 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4373         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4374         statements to wi->info.  Also disallow omp simd constructs.
4375         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4376         for not gridifying.  Dump special string for omp_for.
4378 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4380         PR target/69245
4381         * config/aarch64/aarch64.c (aarch64_set_current_function):
4382         Save/restore target globals when switching to
4383         target_option_default_node.
4385 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4387         PR target/69613
4388         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4389         Return 0 if !SHIFT_COUNT_TRUNCATED.
4391 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4392             Eric Botcazou  <ebotcazou@adacore.com>
4394         PR rtl-optimization/69891
4395         * dse.c (scan_insn): If we can't figure out memset arguments
4396         or they are non-constant, call clear_rhs_from_active_local_stores.
4398 2016-02-26  Martin Liska  <mliska@suse.cz>
4400         * doc/extend.texi: Mention clog10, clog10f an clog10l
4401         in Builtins section.
4403 2016-02-26  Martin Liska  <mliska@suse.cz>
4405         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4406         CHECKING_P.
4407         (resolve_args_picking_1): Likewise.
4408         * dwarf2out.h (struct GTY): Likewise.
4410 2016-02-26  Martin Liska  <mliska@suse.cz>
4412         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4413         with flag_checking.
4414         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4416 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
4417             Martin Liska  <mliska@suse.cz>
4419         * doc/install.texi: Mention --enable-valgrind-annotations.
4421 2016-02-26  Richard Biener  <rguenther@suse.de>
4423         PR tree-optimization/69551
4424         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4425         looking through aliases adjust DECL_PT_UID to refer to the
4426         ultimate alias target.
4428 2016-02-25  Martin Liska  <mliska@suse.cz>
4430         PR middle-end/69919
4431         * alloc-pool.c (after_memory_report): New variable.
4432         * alloc-pool.h (base_pool_allocator ::release): Do not use
4433         the infrastructure if after_memory_report.
4434         * toplev.c (toplev::main): Mark after memory report.
4436 2016-02-25  Richard Biener  <rguenther@suse.de>
4438         PR tree-optimization/48795
4439         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4441 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
4443         PR driver/68463
4444         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
4445         offloading is enabled and -fopenacc or -fopenmp is specified.
4446         (CRTOFFLOADEND): Likewise.
4447         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4448         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4449         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4450         (offload_objects_file_name): New static var.
4451         (tool_cleanup): Remove offload_objects_file_name file.
4452         (find_offloadbeginend): Replace with ...
4453         (find_crtoffloadtable): ... this.
4454         (run_gcc): Remove offload_argc and offload_argv.
4455         Get offload_objects_file_name from -foffload-objects=... option.
4456         Read names of object files with offload from this file, pass them to
4457         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
4458         don't pass offloadbegin and offloadend to the linker.  Don't pass
4459         offload non-LTO files to the linker, because now they're not claimed.
4461 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
4463         PR ipa/69630
4464         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4465         on builtin_unreachable.
4467 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
4469         PR rtl-optimization/69896
4470         * regcprop.c: Include cfgrtl.h.
4471         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4472         than remembered mode, either delete it (if noop_move_p), or
4473         treat like copy_p but not noop_p instruction.
4475 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4477         PR debug/69705
4478         * dwarf2out.c (gen_variable_die): Work around buggy LTO
4479         - allow NULL decl for Fortran DW_TAG_common_block variables.
4481 2016-02-24  Jason Merrill  <jason@redhat.com>
4483         * common.opt (flifetime-dse): Add -flifetime-dse=1.
4485 2016-02-24  Richard Biener  <rguenther@suse.de>
4486             Jakub Jelinek  <jakub@redhat.com>
4488         PR middle-end/69760
4489         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4490         conditionally executed ops to well-defined overflow behavior.
4492 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4494         PR middle-end/69915
4495         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4496         elements.
4498 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4500         PR rtl-optimization/69886
4501         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4502         argument.  Use it when checking validity of set instructions.
4503         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4504         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4505         callsite.
4506         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4507         * store-motion.c (find_moveable_store): Update
4508         can_assign_to_reg_without_clobbers_p callsite.
4510 2016-02-24  Richard Biener  <rguenther@suse.de>
4512         PR middle-end/68963
4513         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4514         bogus check.
4515         (record_nonwrapping_iv): Do not fall back to the low/high bound
4516         for non-constant IV bases if the stmt is not always executed.
4518 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4520         * config/arm/arm-cores.def (cortex-a32): New entry.
4521         * config/arm/arm-tables.opt: Regenerate.
4522         * config/arm/arm-tune.md: Regenerate.
4523         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4524         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4525         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4526         for -mcpu and -mtune.
4528 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4530         PR target/69875
4531         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4532         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4533         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4534         (atomic_loaddi_1): Delete.
4535         (atomic_loaddi): Rewrite expander using the above changes.
4537 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4539         PR c/69918
4540         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4541         2 to 3.
4543 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4544             Richard Biener  <rguenth@suse.de>
4546         PR middle-end/69909
4547         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4548         set_mem_attributes if tem is SSA_NAME which got expanded
4549         as a MEM.
4551 2016-02-24  Richard Biener  <rguenther@suse.de>
4553         PR tree-optimization/69907
4554         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4555         end of permutations for BB vectorization.
4557 2016-02-24  Christian Bruel  <christian.bruel@st.com>
4559         * config/arm/arm-c.c (arm_option_override): Initialize
4560         target_option_current_node.
4561         * config/arm/arm.c (arm_pragma_target_parse): Replace
4562         build_target_option_node call by target_option_current_node.
4563         Set target_option_current_node.
4564         Fix comments.
4566 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
4568         PR target/69810
4569         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4570         define_insn_and_split to define_insn.
4571         (zero_extendqi<mode>2_dot2): Same.
4572         (extendqi<mode>2_dot): Same.
4573         (extendqi<mode>2_dot2): Same.
4575 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4577         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4578         and add bypass for AES{D,E} and AESMC pairs.
4579         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4580         and AESMC pairs.
4582 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4584         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4585         series for reciprocal square root in Exynos M1.
4587 2016-02-23  Martin Sebor  <msebor@redhat.com>
4589         PR c/69759
4590         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4591         __builtin_alloca_with_align.
4593 2016-02-23  Richard Henderson  <rth@redhat.com>
4595         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
4596         (ix86_register_pragmas): Remove __seg_tls.
4597         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
4598         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
4599         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
4600         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
4601         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
4602         * doc/extend.texi (__seg_tls): Remove item.
4604 2016-02-23  Richard Biener  <rguenther@suse.de>
4606         * alloc-pool.h (struct allocation_object): Make id member
4607         conditional on CHECKING_P again.
4608         (get_instance): Adjust.
4609         (base_pool_allocator): Likewise.
4611 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
4613         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
4614         (parallelize_loops): In OpenACC kernels mode, set n_threads to
4615         zero.
4616         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
4617         flag_openacc.
4618         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4620 2016-02-23  Richard Biener  <rguenther@suse.de>
4622         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
4623         * bitmap.h (struct bitmap_usage): Likewise.
4624         (bitmap_move): Declare.
4625         * bitmap.c (register_overhead): Take size_t argument.
4626         (bitmap_move): New function.
4627         * df-problems.c (df_rd_transfer_function): Use bitmap_move
4628         to properly account overhead.
4629         * tree.c (free_node): Use tree_size.
4631 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
4633         PR c++/69902
4634         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
4635         when inverting comparison.
4637         PR c/69900
4638         * common.opt (Wunreachable-code): Add Warning flag.
4640 2016-02-23  Mark Wielaard  <mjw@redhat.com>
4641             Jakub Jelinek  <jakub@redhat.com>
4643         PR c/69911
4644         * cgraphunit.c (check_global_declaration): Check main_input_filename
4645         and DECL_SOURCE_FILE are not NULL.
4647 2016-02-23  Martin Jambor  <mjambor@suse.cz>
4649         PR tree-optimization/69666
4650         * tree-sra.c (sra_modify_assign): Do not attempt to create
4651         default_def replacements for unscalarizable regions.
4653 2016-02-20  Mark Wielaard  <mjw@redhat.com>
4655         PR c/28901
4656         * cgraphunit.c (check_global_declaration): Check level of
4657         warn_unused_const_variable and main_input_filename.
4658         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
4659         (-Wunused-variable): For C implies -Wunused-const-variable=1.
4660         (-Wunused-const-variable): Explain levels 1 and 2.
4662 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4664         PR target/69888
4665         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
4666         identical arguments.  Formatting and spelling fixes.
4668         PR target/69885
4669         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
4670         be specified.
4672         PR target/69894
4673         PR target/69895
4674         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
4675         and m68k-devices.def.
4676         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
4677         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
4679 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
4681         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
4682         and HImode registers.
4684 2016-02-22  Richard Biener  <rguenther@suse.de>
4686         PR tree-optimization/69882
4687         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
4688         preserve permutations present because of gaps.
4689         (vect_supported_load_permutation_p): Always continue checking
4690         permutations after vect_attempt_slp_rearrange_stmts.
4692 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
4694         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
4695         min_profitable_estimate, rather than min_profitable_iters.
4697 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4699         PR target/69885
4700         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
4701         SImode for last match_operand.
4703 2016-02-22  Martin Liska  <mliska@suse.cz>
4705         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
4706         return bitsize - 1 as the return value.
4708 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
4710         PR target/69806
4711         PR target/54089
4712         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
4713         Handle negative shift counts.
4714         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
4715         force_reg on the shift constant.
4716         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
4717         (lshrsi3_d): Handle negative shift counts.
4719 2016-02-22  Richard Biener  <rguenther@suse.de>
4720             Tom de Vries  <tom@codesourcery.com>
4722         * graph.c: Include dumpfile.h.
4723         (print_graph_cfg): Split into three overloads.
4724         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
4726 2016-02-22  Tom de Vries  <tom@codesourcery.com>
4728         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
4729         dump-fn.
4731 2016-02-22  Richard Biener  <rguenther@suse.de>
4733         PR ipa/37448
4734         * ipa-inline-transform.c (inline_call): When not updating
4735         overall summaries adjust self size by the growth estimate.
4736         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
4737         hash-set, do not update overall summaries here.  Renamed from ...
4738         (inline_to_all_callers): ... this which is now wrapping the
4739         above and performing delayed overall summary update.
4740         (early_inline_small_functions): Delay updating of the overall
4741         summary.
4743 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
4745         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
4746         variable.
4748 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4750         PR driver/69805
4751         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
4752         :%* in %:gt() argument.
4753         (greater_than_spec_func): Adjust for expecting only numbers,
4754         if there are more than two numbers, compare the last two.
4756 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
4758         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
4759         -Wnarrowing with -std.
4761 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4763         PR c++/69851
4764         * expr.c (store_field): Don't use bit-field path if exp is
4765         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
4766         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
4767         and the assignment can be performed by bitwise copy.  Formatting
4768         fix.
4770         PR middle-end/69838
4771         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
4772         call copy_reg_eh_region_note_forward on before and/or after sequences
4773         and remove note from insn if it no longer can throw.
4775         PR target/69820
4776         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
4777         if TARGET_AVX512BW.
4779 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4781         * config/s390/vector.md: Add missing commutative operand markers
4782         to the patterns which qualify for one.
4783         * config/s390/vx-builtins.md: Likewise.
4785 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4787         * config/s390/vector.md (VI, VI_QHS): Add single element vector
4788         types to mode iterators.
4789         (vec_double): ... and mode attribute.
4790         * config/s390/vx-builtins.md (non_vec_int): Likewise.
4792 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4794         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
4795         Change the predicate of op2 from nonimmediate to general and let
4796         reload fix it if necessary.
4798 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4800         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
4802 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4804         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
4805         mode.
4807 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4809         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
4810         * config/s390/s390.c (s390_expand_vec_movstr): New function.
4811         * config/s390/s390.md ("movstr<P:mode>"): Call
4812         s390_expand_vec_movstr.
4814 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4816         * config/s390/s390.md: Add missing output modifier for operand 1
4817         to print it as address properly.
4819 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4821         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
4822         * config/s390/2964.md: New file.
4823         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
4824         of insn grouping attributes depending on the CPU level.
4825         (s390_get_unit_mask): New function.
4826         (s390_sched_score): Remove the OOO from the scheduling macros.
4827         Add loop to calculate a score for the instruction mix.
4828         (s390_sched_reorder): Likewise plus improve debug output.
4829         (s390_sched_variable_issue): Rename macros as above.  Calculate
4830         the unit distances after actually scheduling an insn.  Improve
4831         debug output.
4832         (s390_sched_init): Clear last_scheduled_unit_distance array.
4833         * config/s390/s390.md: Include 2964.md.
4835 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4837         PR target/69671
4838         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
4839         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
4840         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
4841         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
4842         *avx512f_<code>v8div16qi2_mask_1): New insns.
4844 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4846         PR target/68404
4847         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
4848         2016-02-09 change.
4850         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
4851         earlyclobber from target.  Use wF constraint for fused memory
4852         address.
4853         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
4855 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4856             Martin Liska  <mliska@suse.cz>
4858         PR sanitizer/69863
4859         * cfgexpand.c (asan_sanitize_stack_p): New function.
4860         (partition_stack_vars): Use the function.
4861         (expand_stack_vars): Likewise.
4862         (defer_stack_allocation): Likewise.
4863         (expand_used_vars): Likewise.
4865 2016-02-18  Richard Biener  <rguenther@suse.de>
4867         PR middle-end/69553
4868         * fold-const.c (operand_equal_p): Properly compare offsets for
4869         IMAGPART_EXPR and ARRAY_REF.
4871 2016-02-18  Nick Clifton  <nickc@redhat.com>
4873         PR target/62254
4874         PR target/69610
4875         * config/arm/arm.c (arm_option_override_internal): Disable
4876         interworking if the target does not support thumb instructions.
4877         (arm_reload_in_hi): Handle the case where a register to register
4878         move needs reloading because there is no simple pattern to handle
4879         it.
4880         (arm_reload_out_hi): Likewise.
4882 2016-02-18  Richard Biener  <rguenther@suse.de>
4884         PR middle-end/69854
4885         * match.pd: Don't use fold_binary or fold_unary for folding
4886         constants.
4888 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
4890         PR c++/69850
4891         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
4892         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
4893         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
4894         warn on gimple_no_warning_p statements.
4896 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
4898         * doc/extend.texi (C++ Attributes): Correct description of
4899         warn_unused type attribute.
4901 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4903         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
4904         correct instruction.
4906 2016-02-17  Richard Biener  <rguenther@suse.de>
4908         PR rtl-optimization/69609
4909         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
4910         (find_traces_1_round): When ending a trace update cached priority
4911         of successors.
4912         (bb_to_key): Use cached priority when available.
4913         (copy_bb): Initialize cached priority.
4914         (reorder_basic_blocks_software_trace_cache): Likewise.
4916 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4918         PR target/69161
4919         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
4920         New predicate.
4921         (aarch64_comparison_operator): Break overly long line into two.
4922         (aarch64_comparison_operation): Likewise.
4923         * config/aarch64/aarch64.md (cstorecc4): Use
4924         aarch64_comparison_operator_mode instead of
4925         aarch64_comparison_operator.
4926         (cstore<mode>4): Likewise.
4927         (aarch64_cstore<mode>): Likewise.
4928         (*cstoresi_insn_uxtw): Likewise.
4929         (cstore<mode>_neg): Likewise.
4930         (*cstoresi_neg_uxtw): Likewise.
4932 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4934         PR target/69161
4935         * config/arm/predicates.md (arm_comparison_operator_mode):
4936         New predicate.
4937         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
4938         instead of arm_comparison_operator.
4939         (*mov_negscc): Likewise.
4940         (*mov_notscc): Likewise.
4941         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
4942         (*thumb2_mov_negscc): Likewise.
4943         (*thumb2_mov_negscc_strict_it): Likewise.
4944         (*thumb2_mov_notscc): Likewise.
4945         (*thumb2_mov_notscc_strict_it): Likewise.
4947 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
4949         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
4950         Add missing return.
4952 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
4954         * config/visium/visium.c (machine_libfunc_index): New enum.
4955         (machine_libfuncs): New structure.
4956         (visium_libfuncs): New static variable.
4957         (TARGET_INIT_LIBFUNCS): Define to...
4958         (visium_init_libfuncs): ...this.  New function.
4959         (expand_block_move_4): Use the appropriate libfunc.
4960         (expand_block_move_2): Likewise.
4961         (expand_block_move_1): Likewise.
4962         (expand_block_set_4): Likewise.
4963         (expand_block_set_2): Likewise.
4964         (expand_block_set_1): Likewise.
4965         (visium_trampoline_init): Likewise.
4967 2016-02-17  Nick Clifton  <nickc@redhat.com>
4969         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
4970         TI's devices.csv file as of March 2016.
4972 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4974         PR Target/48344
4975         * opts-global.c (handle_common_deferred_options): Introduce and
4976         initialize two global variables to remember command-line options
4977         specifying a stack-limiting register.
4978         * opts.h: Add extern declarations of the two new global variables.
4979         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
4980         variable based on the values of the two new global variables.
4982 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4984         PR c/69835
4985         * common.opt (Wnonnull-compare): New warning.
4986         * doc/invoke.texi (-Wnonnull): Remove text about comparison
4987         of arguments against NULL.
4988         (-Wnonnull-compare): Document.
4989         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
4990         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
4991         * passes.def (pass_warn_nonnull_compare): Add.
4992         * gimple-ssa-nonnull-compare.c: New file.
4994 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
4996         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
4997         AARCH64_EXTRA_TUNE_RECIP_SQRT.
4999 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5001         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5002         reciprocal sqrt for -mlow-precision-recip-sqrt.
5004 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5005             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5007         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5008         always use lane loads to construct non-constant vectors.
5010 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5012         * config/aarch64/aarch64.md
5013         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5014         constraints for operand 3.
5015         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5017 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5018             Richard Biener  <rguenther@suse.de>
5020         PR tree-optimization/69820
5021         * tree-vect-patterns.c (type_conversion_p): Return false if
5022         *orig_type is unsigned single precision or boolean.
5023         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5024         Formatting fix.
5026 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5028         PR rtl-optimization/69764
5029         PR rtl-optimization/69771
5030         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5031         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5033 2016-02-16  Richard Biener  <rguenther@suse.de>
5035         PR tree-optimization/69776
5036         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5037         sets from caller.
5038         (indirect_refs_may_alias_p): Likewise.
5039         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5040         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5041         according to tbaa_p.
5042         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5043         (optimize_stmt): For redundant store discovery do not allow tbaa.
5045 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5047         PR tree-optimization/69714
5048         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5049         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5051 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5053         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5054         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5055         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5056         * config/arc/arc.c (arc_init): Check FPU options.
5057         (get_arc_condition_code): Handle new CC_FPU* modes.
5058         (arc_select_cc_mode): Likewise.
5059         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5060         register pair only. Allow access for ARCv2 accumulator.
5061         (gen_compare_reg): Whenever we have FPU support use FPU compare
5062         instructions.
5063         (arc_reorg): Don't generate brcc insns when FPU compare
5064         instructions are involved.
5065         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5066         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5067         floating point emulation.
5068         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5069         (REVERSE_CONDITION): Add new CC_FPU* modes.
5070         (TARGET_FP_SP_BASE): Define.
5071         (TARGET_FP_DP_BASE): Likewise.
5072         (TARGET_FP_SP_FUSED): Likewise.
5073         (TARGET_FP_DP_FUSED): Likewise.
5074         (TARGET_FP_SP_CONV): Likewise.
5075         (TARGET_FP_DP_CONV): Likewise.
5076         (TARGET_FP_SP_SQRT): Likewise.
5077         (TARGET_FP_DP_SQRT): Likewise.
5078         (TARGET_FP_DP_AX): Likewise.
5079         * config/arc/arc.md (ARCV2_ACC): New constant.
5080         (type): New fpu type attribute.
5081         (SDF): Conditional iterator.
5082         (cstore<mode>, cbranch<mode>): Change expand condition.
5083         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5084         handles FPU/FPX cases as well.
5085         * config/arc/arc.opt (mfpu): New option.
5086         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5087         Renamed.
5088         (adddf3, muldf3, subdf3): Removed.
5089         * config/arc/predicates.md (proper_comparison_operator): Recognize
5090         CC_FPU* modes.
5091         * config/arc/fpu.md: New file.
5092         * doc/invoke.texi (ARC Options): Document mfpu option.
5094 2016-02-16  Richard Biener  <rguenther@suse.de>
5096         PR rtl-optimization/69291
5097         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5098         noce_operand_ok check.
5100 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5102         PR lto/67709
5103         * omp-low.c (simd_clone_create): Remove call to
5104         symtab->call_cgraph_insertion_hooks.
5106 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5108         PR tree-optimization/69802
5109         * tree-ssa-reassoc.c (update_range_test): If op is
5110         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5111         op == 1 test of precision 1 integral op, otherwise handle
5112         that case as op itself.  Fix up formatting.
5113         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5114         up formatting.
5116 2016-02-16  Richard Biener  <rguenther@suse.de>
5118         PR tree-optimization/69586
5119         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5120         types for conversion sources.
5122 2016-02-16  Richard Biener  <rguenther@suse.de>
5124         PR middle-end/69801
5125         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5126         mask OEP_ADDRESS_OF.
5128 2016-02-16  Alan Modra  <amodra@gmail.com>
5130         PR target/68973
5131         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5132         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5133         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5134         (p8_mtvsrwz): New.
5135         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5136         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5137         (p8_fmrgow_<mode>): Likewise.
5138         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5139         changes.
5140         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5141         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5142         to use movdi_internal64.  Remove op0_di.
5143         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5145 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5147         Add support for the FCCMP insn types
5149         * config/aarch64/aarch64.md (fccmp): Change insn type.
5150         (fccmpe): Likewise.
5151         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5152         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5153         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5154         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5155         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5156         * config/arm/types.md (fccmps): Add new insn type.
5157         (fccmpd): Likewise.
5159 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5161         * alias.c (get_alias_set): Fix a typo in comment.
5163 2016-02-15  Richard Biener  <rguenther@suse.de>
5165         PR tree-optimization/69595
5166         * match.pd: Complete range test simplification to true.
5168 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5170         PR rtl-optimization/69648
5171         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5172         pic_offset_table_rtx.
5174         PR rtl-optimization/69752
5175         * ira.c (update_equiv_regs): When looking for more than a single SET,
5176         also take other side effects into account.
5178 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5180         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5181         for z900+ CPUs in 31-bit mode.
5183 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5185         * common/config/s390/s390-common.c (s390_supports_split_stack):
5186         New function.
5187         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5188         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5189         * config/s390/s390.c (struct machine_function): New field
5190         split_stack_varargs_pointer.
5191         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5192         in s390_emit_prologue.
5193         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5194         vararg pointer.
5195         (morestack_ref): New global.
5196         (SPLIT_STACK_AVAILABLE): New macro.
5197         (s390_expand_split_stack_prologue): New function.
5198         (s390_live_on_entry): New function.
5199         (s390_va_start): Use split-stack vararg pointer if appropriate.
5200         (s390_asm_file_end): Emit the split-stack note sections.
5201         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5202         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5203         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5204         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5205         (split_stack_prologue): New expand.
5206         (split_stack_space_check): New expand.
5207         (split_stack_data): New insn.
5208         (split_stack_call): New expand.
5209         (split_stack_call_*): New insn.
5210         (split_stack_cond_call): New expand.
5211         (split_stack_cond_call_*): New insn.
5213 2016-02-15  Richard Biener  <rguenther@suse.de>
5215         PR tree-optimization/69783
5216         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5217         Add trivially correct cases.
5219 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5221         PR lto/69655
5222         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5223         do_force_output.
5224         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5226 2016-02-15  Richard Biener  <rguenther@suse.de>
5228         PR tree-optimization/69776
5229         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5230         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5231         indicate whether we can use TBAA to disambiguate against stores.
5232         Use alias-set zero if not.
5233         (visit_reference_op_store): Do not use TBAA when looking up
5234         redundant stores.
5235         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5236         (eliminate_dom_walker::before_dom_children): But not when looking
5237         up redundant stores.
5239 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5241         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5243 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5245         *  config/i386/znver1.md
5246         (znver1_pop, znver1_pop_mem,
5247         znver1_load_imov_double_store,
5248         znver1_load_imov_direct_store,
5249         znver1_load_imov_direct_load,
5250         znver1_load_imov_double_load): Add new.
5251         (znver1_insn, znver1_insn_load): Add icmov type.
5252         (znver1_sseavx_fma,
5253         znver1_sseavx_fma_load,
5254         znver1_avx256_fma,
5255         znver1_avx256_fma_load): Fix pipe usage.
5257 2016-02-14  Alan Modra  <amodra@gmail.com>
5259         PR target/68973
5260         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5261         with an invalid hard reg, reload just the reg not the entire
5262         pre/post-inc/dec address expression.
5264 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5266         PR target/67260
5267         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5268         fixed R1_REG scratch reg.
5269         (sibcall_value_pcrel_fdpic): Likewise.
5271 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5273         PR target/67636
5274         PR target/64345
5275         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5277 2016-02-12  Walter Lee  <walt@tilera.com>
5279         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5280         * config/tilegx/t-tilegx: Likewise.
5282 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5284         PR other/69554
5285         * diagnostic-show-locus.c (struct line_span): New struct.
5286         (layout::get_first_line): Delete.
5287         (layout::get_last_line): Delete.
5288         (layout::get_num_line_spans): New member function.
5289         (layout::get_line_span): Likewise.
5290         (layout::print_heading_for_line_span_index_p): Likewise.
5291         (layout::get_expanded_location): Likewise.
5292         (layout::calculate_line_spans): Likewise.
5293         (layout::m_first_line): Delete.
5294         (layout::m_last_line): Delete.
5295         (layout::m_line_spans): New field.
5296         (layout::layout): Update comment.  Replace m_first_line and
5297         m_last_line with m_line_spans, replacing their initialization
5298         with a call to calculate_line_spans.
5299         (diagnostic_show_locus): When printing source lines and
5300         annotations, rather than looping over a single span
5301         of lines, instead loop over each line_span within
5302         the layout, with an inner loop over the lines within them.
5303         Call the context's start_span callback when changing line spans.
5304         * diagnostic.c (diagnostic_initialize): Initialize start_span.
5305         (diagnostic_build_prefix): Break out the building of the location
5306         part of the string into...
5307         (diagnostic_get_location_text): ...this new function, rewriting
5308         it from nested ternary expressions to a sequence of "if"
5309         statements.
5310         (default_diagnostic_start_span_fn): New function.
5311         * diagnostic.h (diagnostic_start_span_fn): New typedef.
5312         (diagnostic_context::start_span): New field.
5313         (default_diagnostic_start_span_fn): New prototype.
5315 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5317         PR driver/69779
5318         * gcc.c (driver::finalize): Fix cleanup of "specs".
5320 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5322         PR driver/69265
5323         PR driver/69453
5324         * gcc.c (driver::driver): Initialize m_option_suggestions.
5325         (driver::~driver): Clean up m_option_suggestions.
5326         (suggest_option): Convert to...
5327         (driver::suggest_option): ...this, and split out into
5328         driver::build_option_suggestions and find_closest_string.
5329         (driver::build_option_suggestions): New function, from
5330         first half of suggest_option.  Special-case
5331         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5332         the sanitizer_opts array.  For options of enum types, add the
5333         various enum values to the candidate strings.
5334         (driver::handle_unrecognized_options): Remove "const".
5335         * gcc.h (driver::handle_unrecognized_options): Likewise.
5336         (driver::build_option_suggestions): New decl.
5337         (driver::suggest_option): New decl.
5338         (driver::m_option_suggestions): New field.
5339         * opts-common.c (add_misspelling_candidates): New function.
5340         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5341         and make non-static.
5342         * opts.h (sanitizer_opts): New array decl.
5343         (add_misspelling_candidates): New function decl.
5344         * spellcheck.c (find_closest_string): New function.
5345         * spellcheck.h (find_closest_string): New function decl.
5347 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5349         PR rtl-optimization/69764
5350         PR rtl-optimization/69771
5351         * optabs.c (expand_binop_directly): For shift_optab_p, force
5352         convert_modes with VOIDmode if xop1 has VOIDmode.
5354 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
5356         PR target/69729
5357         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5358         to correctly determine instrumentation thunks.
5360 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5362         PR ipa/69241
5363         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5364         type by reference, force lhs on the call.
5366         PR ipa/68672
5367         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5368         Compute retval and retbnd early in all cases if split_part_return_p
5369         and return_bb is not EXIT.  Remove all clobber stmts and reset
5370         all debug stmts that refer to SSA_NAMEs defined in split part,
5371         except if it is retval, in that case replace the old retval with the
5372         lhs of the call to the split part.
5374 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5376         revert:
5377         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5379         PR middle-end/66726
5380         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5381         whose result is used in PHI.
5382         (maybe_optimize_range_tests): Likewise.
5383         (final_range_test_p): Likweise.
5385 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5387         PR middle-end/66726
5388         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5389         whose result is used in PHI.
5390         (maybe_optimize_range_tests): Likewise.
5391         (final_range_test_p): Likweise.
5393 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5395         * cgraph.c: Spelling fixes - behaviour -> behavior and
5396         neighbour -> neighbor.
5397         * target.def: Likewise.
5398         * sel-sched.c: Likewise.
5399         * config/mips/mips.c: Likewise.
5400         * config/arc/arc.md: Likewise.
5401         * config/arm/cortex-a57.md: Likewise.
5402         * config/arm/arm.c: Likewise.
5403         * config/arm/neon.md: Likewise.
5404         * config/arm/arm-c.c: Likewise.
5405         * config/vms/vms-c.c: Likewise.
5406         * config/s390/s390.c: Likewise.
5407         * config/i386/znver1.md: Likewise.
5408         * config/i386/i386.c: Likewise.
5409         * config/ia64/hpux-unix2003.h: Likewise.
5410         * config/msp430/msp430.md: Likewise.
5411         * config/rx/rx.c: Likewise.
5412         * config/rx/rx.md: Likewise.
5413         * config/aarch64/aarch64-simd.md: Likewise.
5414         * config/aarch64/aarch64.c: Likewise.
5415         * config/nvptx/nvptx.c: Likewise.
5416         * config/bfin/bfin.c: Likewise.
5417         * config/cris/cris.opt: Likewise.
5418         * config/rs6000/rs6000.c: Likewise.
5419         * target.h: Likewise.
5420         * spellcheck.c: Likewise.
5421         * ira-build.c: Likewise.
5422         * tree-inline.c: Likewise.
5423         * builtins.c: Likewise.
5424         * lra-constraints.c: Likewise.
5425         * explow.c: Likewise.
5426         * hwint.h: Likewise.
5427         * targhooks.c: Likewise.
5428         * tree-vect-data-refs.c: Likewise.
5429         * expr.c: Likewise.
5430         * doc/tm.texi: Likewise.
5431         * doc/extend.texi: Likewise.
5432         * doc/install.texi: Likewise.
5433         * doc/md.texi: Likewise.
5434         * tree-ssa-tail-merge.c: Likewise.
5435         * sched-int.h: Likewise.
5436         * match.pd: Likewise.
5437         * sched-ebb.c: Likewise.
5438         * target.def (omit_struct_return_reg): Likewise.
5439         * gimple-ssa-isolate-paths.c: Likewise.
5440         (find_implicit_erroneous_behaviour): Renamed to...
5441         (find_implicit_erroneous_behavior): ... this.
5442         (find_explicit_erroneous_behaviour): Renamed to...
5443         (find_explicit_erroneous_behavior): ... this.
5444         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5446 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
5448         PR rtl-optimization/64682
5449         PR rtl-optimization/69567
5450         PR rtl-optimization/69737
5451         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5452         in I2 as well, just lose it.
5454 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5456         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5457         New variable.
5458         (aarch64_last_printed_tune_string): Likewise.
5459         (aarch64_declare_function_name): Only output .arch assembler
5460         directive if it will be different from the previously output
5461         directive.  Same for .tune comment but only if -dA is set.
5462         (aarch64_start_file): New function.
5463         (TARGET_ASM_FILE_START): Define.
5465 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
5467         PR plugins/69758
5468         * Makefile.in (PLUGIN_HEADERS): Add params.list.
5470 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
5472         PR target/65313
5473         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5474         -Wmaybe-uninitialized warning.
5476 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
5478         PR target/69713
5479         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5481 2016-02-11  Richard Biener  <rguenther@suse.de>
5483         PR rtl-optimization/69291
5484         * ifcvt.c (noce_try_store_flag_constants): Do not allow
5485         subexpressions affected by changing the result.
5487 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
5489         PR target/69148
5490         * lra-constraints.c (curr_insn_transform): Find in/out operands
5491         for secondary memory moves.  Update dups.
5493 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
5495         PR tree-optimization/69652
5496         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5497         to nested loop, did source re-formatting, skip debug statements,
5498         add check on statement with volatile operand, remove dead scalar
5499         statements.
5501 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
5502             Patrick Palka  <ppalka@gcc.gnu.org>
5504         PR ipa/69241
5505         PR c++/69649
5506         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5507         calls if the return type is TREE_ADDRESSABLE.
5508         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5509         * ipa-split.c (split_function): Fix doubled "we" in comment.
5510         Use void return type for the split part even if
5511         !split_point->split_part_set_retval.
5513 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
5515         PR tree-optimization/68021
5516         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5517         when computing the value of biv cand by itself.
5519 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5521         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5522         (cortexa57_tunings): Likewise.
5523         (cortexa72_tunings): Likewise.
5524         (arch_macro_fusion_pair_p): Add support for AES fusion.
5525         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5526         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5527         Allow virtual registers before reload so early scheduling works.
5528         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5529         correct latency and pipeline.
5530         (cortex_a57_crypto_complex): Likewise.
5531         (cortex_a57_crypto_xor): Likewise.
5532         (define_bypass): Add AES bypass.
5534 2016-02-10  Richard Biener  <rguenther@suse.de>
5536         PR tree-optimization/69726
5537         * passes.def: Add DCE pass before late uninit.
5538         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5539         really fixup if-conversions job.
5541 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5543         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5544         (arm_cortex_a57_tune): Likewise.
5545         (aarch_macro_fusion_pair_p): Add support for AES fusion.
5546         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5548 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5550         * timevar.def (TV_PHASE_DBGINFO): Delete.
5551         (TV_PHASE_CHECK_DBGINFO): Likewise.
5552         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5554 2016-02-10  Richard Biener  <rguenther@suse.de>
5556         PR tree-optimization/69719
5557         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5558         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5560 2016-02-09  Andrew Pinski  <apinski@cavium.com>
5562         PR tree-opt/69282
5563         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5564         get_vcond_mask_icode returns false.
5566 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5568         PR target/68404
5569         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5570         an ADDIS that adds a pointer to a large constant that sets the
5571         upper16 bits with a load operation.
5573 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5575         PR target/68532
5576         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5577         order.
5578         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5579         endian.
5580         (vzipq_s16): Likewise.
5581         (vzipq_s32): Likewise.
5582         (vzipq_f32): Likewise.
5583         (vzipq_u8): Likewise.
5584         (vzipq_u16): Likewise.
5585         (vzipq_u32): Likewise.
5586         (vzipq_p8): Likewise.
5587         (vzipq_p16): Likewise.
5589 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5591         PR target/68532
5592         * config/arm/arm.c (neon_endian_lane_map): New function.
5593         (neon_vector_pair_endian_lane_map): New function.
5594         (arm_evpc_neon_vuzp): Allow for big endian lane order.
5595         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
5596         endian.
5597         (vuzpq_s16): Likewise.
5598         (vuzpq_s32): Likewise.
5599         (vuzpq_f32): Likewise.
5600         (vuzpq_u8): Likewise.
5601         (vuzpq_u16): Likewise.
5602         (vuzpq_u32): Likewise.
5603         (vuzpq_p8): Likewise.
5604         (vuzpq_p16): Likewise.
5606 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
5608         PR target/69634
5609         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
5610         debug insns.
5612 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
5614         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
5615         truncate const_int operand 1 to QImode.
5617 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5619         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
5620         corresponding to an abnormal edge.
5622 2016-02-09  Tom de Vries  <tom@codesourcery.com>
5624         PR tree-optimization/69599
5625         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
5626         function.
5627         (find_func_aliases_for_builtin_call, find_func_clobbers)
5628         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
5629         partition.
5631 2016-02-09  Richard Biener  <rguenther@suse.de>
5633         PR tree-optimization/69715
5634         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
5635         LHS on calls as non-rewritable.
5637 2016-02-09  Tom de Vries  <tom@codesourcery.com>
5639         PR lto/69707
5640         * lto-wrapper.c (append_diag_options): New function.
5641         (compile_offload_image): Call append_diag_options.
5643 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
5645         PR other/69722
5646         * doc/extend.texi (Flag Output Operands): Correct sectioning.
5647         Minor copy-edit to fix verb tenses.
5649 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
5651         PR tree-optimization/69209
5652         * ipa-split.c (split_function): If split part is not
5653         returning retval, retval has gimple type but is not
5654         gimple value, force it into a SSA_NAME first.
5656 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
5658         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
5659         outdated section.
5661 2016-02-08  Jason Merrill  <jason@redhat.com>
5663         PR c++/69631
5664         * convert.c (convert_to_integer_1): Check dofold on truncation
5665         distribution.
5666         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
5667         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
5668         Rename from *_nofold.
5669         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
5670         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
5672 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
5674         PR target/60410
5675         * tree.c (build_common_tree_nodes): Remove short_double argument.
5676         All callers changed.
5677         * tree.h (build_common_tree_nodes): Adjust declaration.
5678         * doc/invoke.texi (-fshort-double): Remove documentation.
5679         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5680         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
5681         * lto-wrapper.c (merge_and_complain, append_compiler_options)
5682         (append_linker_options): Don't handle OPT_fshort_double.
5684         PR rtl-optimization/68730
5685         * lra-remat.c (insn_to_cand_activation): New static variable.
5686         (lra_remat): Allocate and free it.
5687         (create_cand): New arg activation. Initialize a field in
5688         insn_to_cand_activation if it is nonnull.
5689         (create_cands): Pass the activation insn to create_cand when making
5690         a candidate involving an output reload.  Reorganize code a little.
5691         (do_remat): Keep track of active status of candidates in a separate
5692         bitmap.
5694 2016-02-08  Richard Biener  <rguenther@suse.de>
5696         PR tree-optimization/69719
5697         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5698         Properly use absolute of the difference of the two offsets to
5699         compare or adjust the segment length.
5701 2016-02-08  Richard Biener  <rguenther@suse.de>
5702             Jeff Law  <law@redhat.com>
5704         PR target/68273
5705         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
5706         types for anonymous SSA names.
5708 2016-02-08   Richard Biener  <rguenther@suse.de>
5710         PR rtl-optimization/69274
5711         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
5713 2016-02-08  Jeff Law  <law@redhat.com>
5715         PR tree-optimization/65917
5716         * tree-ssa-dom.c (record_temporary_equivalences): Record both
5717         equivalences from if (x == y) style conditionals.
5718         (loop_depth_of_name): Remove.
5719         (record_equality): Remove loop depth check.
5720         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
5721         (const_and_copies::record_const_or_copy_raw): New member function.
5722         * tree-ssa-scopedtables.c
5723         (const_and_copies::record_const_or_copy_raw): New, factored out of
5724         (const_and_copies::record_const_or_copy): Call new member function.
5726 2016-02-05  Jeff Law  <law@redhat.com>
5728         PR tree-optimization/68541
5729         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
5730         (count_stmts_in_block): New function.
5731         (poor_ifcvt_candidate_code): Likewise.
5732         (is_feasible_trace): Add some heuristics to determine when path
5733         splitting is profitable.
5734         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
5735         is a diamond with a single exit.
5737 2016-02-05  Martin Sebor  <msebor@redhat.com>
5739         PR c++/69662
5740         * doc/invoke.texi: Update -Wplacement-new to take an optional
5741         argument.
5743 2016-02-06  Richard Henderson  <rth@redhat.com>
5745         PR c/69643
5746         * tree.c (tree_nop_conversion_p): Do not strip casts into or
5747         out of non-standard address spaces.
5749 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5751         PR rtl-optimization/69691
5752         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
5754 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
5756         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
5757         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
5758         (*ieee128_mfvsrd_64bit): Likewise.
5759         (*ieee128_mfvsrd_32bit): Likewise.
5761 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
5763         PR target/69369
5764         Revert r232560:
5765         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
5767         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5768         instrumented_version.
5770 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
5772         * doc/invoke.texi (Optimize Options): In table of --param options
5773         rename second occurrence of tracer-min-branch-ratio to
5774         tracer-min-branch-probability, rename
5775         tracer-min-branch-ratio-feedback to
5776         tracer-min-branch-probability-feedback and clarify description,
5777         rename sched-spec-state-edge-prob-cutoff to
5778         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
5779         to selsched-insns-to-rename, rename lto-minpartition to
5780         lto-min-partition, delete reorder-blocks-duplicate and
5781         reorder-blocks-duplicate-feedback.
5783 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5785         * config/s390/s390.c (s390_register_info_set_ranges): Remove
5786         superfluous loops.
5788 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5790         * doc/extend.texi: S/390: Correct some typos.
5792 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5794         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
5796 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5798         PR target/69625
5799         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
5800         (s390_register_info_gprtofpr): Use new macros above.
5801         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
5802         its name.
5803         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
5804         its name.  Adjust restore and save gpr ranges.
5805         (s390_register_info_set_ranges): New function.
5806         (s390_register_info): Use new macros above.  Call
5807         s390_register_info_set_ranges.
5808         (s390_optimize_register_info): Likewise.
5809         (s390_hard_regno_rename_ok): Use new macros.
5810         (s390_hard_regno_scratch_ok): Likewise.
5811         (s390_emit_epilogue): Likewise.
5812         (s390_can_use_return_insn): Likewise.
5813         (s390_optimize_prologue): Likewise.
5814         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
5816 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5818         PR bootstrap/69677
5819         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
5820         alignment fixes.
5821         (ix86_option_override_internal): Disable TARGET_STV even for
5822         -m{incoming,preferred}-stack-boundary=3.
5824 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5826         * config.gcc: Mark deprecated rtems targets as obsolete.
5828 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
5830         PR rtl-optimization/64682
5831         PR rtl-optimization/69567
5832         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
5833         before I2 only if the register is both used and set in I2.
5835 2016-02-04  DJ Delorie  <dj@redhat.com>
5837         * config/msp430/msp430.c (msp430_start_function): Add function type.
5839 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
5841         PR fortran/69368
5842         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
5844 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
5846         PR rtl-optimization/69577
5847         Revert:
5848         2015-10-29  Richard Henderson  <rth@redhat.com>
5850         PR target/68124
5851         PR rtl-opt/67609
5852         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
5853         sse check to the exact conditions of PR 67609.
5855 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5857         PR target/69667
5858         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
5859         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
5860         not allowed into the traditional Altivec registers.
5861         (movtd_64bit_nodm): Likewise.
5862         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
5864 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
5866         * config/aarch64/cortex-a57-fma-steering.c
5867         (aarch64_register_fma_steering): Remove "static" from arguments
5868         to register_pass.
5870 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
5872         PR target/69619
5873         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
5874         twice when complex.
5876 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
5878         * doc/invoke.texi: Delete -mno-fma4.
5880 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
5882         PR rtl-optimization/69577
5883         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
5884         (find_subregs_of_mode): Update accordingly.  Iterate over partial
5885         definitions.
5887 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
5889         * config/arm/arm-protos.h (neon_reinterpret): Remove.
5890         * config/arm/arm.c (neon_reinterpret): Remove.
5891         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
5892         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
5893         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
5894         vreinterpretti): Remove.
5895         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
5896         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
5897         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
5898         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
5899         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
5900         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
5901         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
5902         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
5903         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
5904         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
5905         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
5906         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
5907         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
5908         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
5909         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
5910         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
5911         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
5912         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
5913         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
5914         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
5915         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
5916         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
5917         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
5918         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
5919         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
5920         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
5921         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
5922         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
5923         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
5924         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
5925         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
5926         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
5927         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
5928         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
5929         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
5930         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
5931         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
5932         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
5933         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
5934         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
5935         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
5936         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
5937         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
5938         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
5939         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
5940         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
5941         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
5942         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
5943         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
5944         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
5945         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
5946         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
5947         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
5948         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
5949         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
5950         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
5951         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
5952         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
5953         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
5954         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
5955         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
5956         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
5957         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
5958         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
5959         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
5960         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
5961         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
5962         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
5963         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
5964         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
5965         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
5966         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
5967         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
5968         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
5969         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
5970         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
5971         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
5972         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
5973         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
5974         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
5975         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
5976         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
5977         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
5978         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
5979         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
5980         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
5981         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
5982         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
5983         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
5984         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
5985         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
5986         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
5987         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
5988         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
5989         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
5990         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
5991         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
5992         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
5993         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
5994         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
5995         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
5996         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
5997         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
5999 2016-02-04  Martin Liska  <mliska@suse.cz>
6001         PR sanitizer/69276
6002         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6003         that are gimple_store_p.
6004         (maybe_instrument_call): Likewise.
6006 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6008         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6009         register scaling out of memory reference and comment why.
6011 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6013         PR target/65932
6014         PR target/67714
6015         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6016         folding the source of a SET.
6018 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6020         PR target/65932
6021         PR target/67714
6022         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6023         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6025 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6027         PR target/65932
6028         PR target/67714
6029         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6030         HImode.
6032 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6034         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6035         * config/arm/arm.c (arm_set_current_function): Likewise.
6037 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6038             Ilya Enkovich  <enkovich.gnu@gmail.com>
6039             H.J. Lu  <hongjiu.lu@intel.com>
6041         PR target/69454
6042         * config/i386/i386.c (convert_scalars_to_vector): Remove
6043         stack alignment fixes.
6044         (ix86_option_override_internal): Disable TARGET_STV if stack
6045         might not be aligned enough.
6046         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6048 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6050         * gcc/config/i386/x86-tune.def: Disable default prefetching
6051         for -march=znver1.
6053 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6054             Vladimir Makarov  <vmakarov@redhat.com>
6056         PR target/69461
6057         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6058         in validating fused toc addresses.
6060 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6062         PR c/69627
6063         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6064         range->m_caret fields if range->m_show_caret_p is false.
6066         PR target/69644
6067         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6068         Force oldval into register if it does not satisfy reg_or_short_operand
6069         predicate.  Fix up formatting.
6071 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6072             Alexandre Oliva  <aoliva@redhat.com>
6074         PR target/69461
6075         * lra-constraints.c (simplify_operand_subreg): Check additionally
6076         address validity after potential reloading.
6077         (process_address_1): Check insns validity.  In case of failure do
6078         nothing.
6080 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6082         PR target/69118
6083         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6084         Fix target.
6086 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6088         * wide-int.cc (canonize_uhwi): New function.
6089         (wi::divmod_internal): Use it.
6091 2016-02-02  James Norris  <jnorris@codesourcery.com
6093         * gimplify.c (omp_notice_variable): Add usage check.
6095 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6097         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6098         like LE, GE, LT, GT when emitting relational operator.
6100 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6102         * ira-costs.c (find_costs_and_classes): Add extra argument.
6103         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6104         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6105         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6106         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6107         Add best_class parameter, and return it if not ALL_REGS.
6108         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6109         Add parameter.
6110         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6111         Update target hook.
6113 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6115         * config/aarch64/aarch64.c
6116         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6117         (aarch64_ira_change_pseudo_allocno_class): New function.
6119 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6121         PR target/67032
6122         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6124 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6126         * config/avr/avr.c (avr_option_override): Set
6127         PARAM_ALLOW_STORE_DATA_RACES to 1.
6129 2016-02-02  Richard Biener  <rguenther@suse.de>
6131         PR tree-optimization/69595
6132         * match.pd: Add range test simplifications to true/false.
6134 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6136         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6137         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6138         instead.
6140 2016-02-02  Richard Biener  <rguenther@suse.de>
6142         PR tree-optimization/69606
6143         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6144         info on the result before moving a stmt.
6146 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6148         PR middle-end/68542
6149         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6150         branch with vector comparison.
6151         * config/i386/sse.md (VI48_AVX): New mode iterator.
6152         (define_expand "cbranch<mode>4): Add support for conditional branch
6153         with vector comparison.
6154         * tree-vect-loop.c (optimize_mask_stores): New function.
6155         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6156         has_mask_store field of vect_info.
6157         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6158         vectorized loops having masked stores after vec_info destroy.
6159         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6160         correspondent macros.
6161         (optimize_mask_stores): Add prototype.
6163 2016-02-02  Alan Modra  <amodra@gmail.com>
6165         PR target/69548
6166         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6167         allow subregs.
6169 2016-02-02  Alan Modra  <amodra@gmail.com>
6171         PR target/68662
6172         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6173         whenever toc_label_name used.
6174         (rs6000_file_start): Don't set up toc section here,
6175         (rs6000_output_function_epilogue): do so here instead,
6176         (rs6000_xcoff_file_start): and here.
6177         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6178         (load_toc_aix_di): Likewise.
6180 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6182         PR rtl-optimization/69592
6183         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6184         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6185         (num_sign_bit_copies_binary_arith_p): New inline function.
6186         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6188 2016-02-01  Jeff Law  <law@redhat.com>
6190         PR tree-optimization/69580
6191         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6192         * tree-ssa-threadbackward.c
6193         (fsm_find_control_statement_thread_paths): Do not try to walk
6194         through large PHI nodes.
6196 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6198         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6199         when count is incremented above limit, don't analyze further
6200         insns afterwards.
6202         * omp-low.c (oacc_parse_default_dims): Avoid
6203         -Wsign-compare warning, make sure value fits into int
6204         rather than just unsigned int.
6206 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6208         PR tree-optimization/67921
6209         * fold-const.c (split_tree): New parameters.  Convert pointer
6210         type variable part to proper type before negating.
6211         (fold_binary_loc): Pass new arguments to split_tree.
6213 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6215         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6216         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6217         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6218         * doc/tm.texti: Rebuilt.
6219         * doc/invoke.texi (fopenacc-dim): Document.
6220         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6221         (append_compiler_options): Likewise.
6222         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6223         (oacc_parse_default_dims): New.
6224         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6225         possible.
6226         (oacc_loop_fixed_partitions): Return mask of used partitions.
6227         (oacc_loop_auto_partitions): Emit dump info.
6228         (oacc_loop_partition): Return mask of used partitions.
6229         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6230         loop partitioning and validation calls.
6232 2016-02-01  Richard Biener  <rguenther@suse.de>
6234         PR middle-end/69556
6235         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6237 2016-02-01  Richard Biener  <rguenther@suse.de>
6239         PR tree-optimization/69574
6240         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6241         of asserting return chrec_dont_know.
6243 2016-02-01  Martin Liska  <mliska@suse.cz>
6245         * mem-stats-traits.h: Add copyright header.
6246         * mem-stats.h: Likewise.
6248 2016-02-01  Richard Biener  <rguenther@suse.de>
6250         PR tree-optimization/69579
6251         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6252         Do not propagate through abnormal PHI results.
6254 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6256         * postreload.c (reload_cse_simplify): Remove dead code.
6258 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6260         PR rtl-optimization/69570
6261         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6262         if there is more than one set, not if there is a single set.
6264 2016-02-01  Richard Henderson  <rth@redhat.com>
6266         PR rtl-opt/69535
6267         * combine.c (make_compound_operation): When looking through a
6268         subreg, make sure to re-extend to the width of the outer mode.
6270 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6272         PR tree-optimization/69546
6273         * wide-int.cc (wi::divmod_internal): For unsigned division
6274         where both operands fit into uhwi, if o1 is 1 and o0 has
6275         msb set, if divident_prec is larger than bits per hwi,
6276         clear another quotient word and return 2 instead of 1.
6277         Similarly for remainder with msb in HWI set, if dividend_prec
6278         is larger than bits per hwi.
6280 2016-01-29  Martin Jambor  <mjambor@suse.cz>
6282         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6283         Use short lowercase names.
6284         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
6285         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6286         acq_rel one.  Protect warning agains segfaults if
6287         get_memory_order_name returns NULL.
6288         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6289         with release semantics.  Do not warn if get_memory_order already did.
6290         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6291         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
6292         if get_memory_order already did.
6294 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
6296         * doc/install.texi: Document that isl-0.16 is supported.
6298 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6300         PR target/69299
6301         * config/i386/constraints.md (Bm): Describe as special memory
6302         constraint.
6303         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6304         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6305         * genpreds.c (struct constraint_data): Add is_special_memory.
6306         (have_special_memory_constraints, special_memory_start): New
6307         static vars.
6308         (special_memory_end): Ditto.
6309         (add_constraint): Add new arg is_special_memory.  Add code to
6310         process its true value.  Update have_special_memory_constraints.
6311         (process_define_constraint): Pass the new arg.
6312         (process_define_register_constraint): Ditto.
6313         (choose_enum_order): Process special memory.
6314         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6315         function insn_extra_special_memory_constraint.
6316         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6317         * gensupport.c (process_rtx): Process
6318         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6319         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6320         * ira-lives.c (single_reg_class): Use
6321         insn_extra_special_memory_constraint.
6322         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6323         * lra-constraints.c (process_alt_operands): Ditto.
6324         (curr_insn_transform): Use insn_extra_special_memory_constraint.
6325         * recog.c (asm_operand_ok, preprocess_constraints): Process
6326         CT_SPECIAL_MEMORY.
6327         * reload.c (find_reloads): Ditto.
6328         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6329         * stmt.c (parse_input_constraint): Use
6330         insn_extra_special_memory_constraint.
6332 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6334         PR target/69530
6335         * lra-splill.c (lra_final_code_change): Revert r229087 by
6336         removing all sub-registers.
6338 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
6340         PR target/65604
6341         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6343 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
6345         PR target/69551
6346         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6347         SSE1, copy target into the temporary reg first before recursing
6348         on it.
6350 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6352         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6353         with vm.
6355 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6357         * ginclude/stdarg.h: Test __cplusplus instead of
6358         __GXX_EXPERIMENTAL_CXX0X__.
6360 2016-01-29  Richard Biener  <rguenther@suse.de>
6362         PR tree-optimization/69547
6363         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6364         Do not mark clobbers necessary.
6365         (mark_all_reaching_defs_necessary_1): Likewise.
6367 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6369         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6370         declaration name with %qs and print it in both error messages.
6371         Also fix indentation.
6373 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6375         PR other/69006
6376         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6377         trailing blank line from error message.
6379 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6381         PR c++/69462
6382         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6383         for C++-11.
6385 2016-01-29  Richard Biener  <rguenther@suse.de>
6387         PR middle-end/69537
6388         * match.pd: Allow all integral types when simplifying a
6389         widening or sign-changing conversion.
6391 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6393         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6394         back to setting codegen_error to fail codegen.
6396 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
6398         PR target/69459
6399         * config/i386/constraints.md (C): Only accept constant zero operand.
6400         (BC): New constraint.
6401         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6402         instead of C constraint.
6403         * doc/md.texi (Machine Constraints): Update description
6404         of C constraint.
6406 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
6408         PR target/68400
6409         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6411 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
6413         PR middle-end/69542
6414         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6415         non-debug insns.
6417 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6419         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6420         branches if using guessed profile.
6422 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
6424         * graphite-optimize-isl.c (optimize_isl): Fix dump.
6426 2016-01-28  Richard Henderson  <rth@redhat.com>
6428         PR target/69305
6429         * config/aarch64/aarch64-modes.def (CC_Cmode): New
6430         * config/aarch64/aarch64-protos.h: Update.
6431         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6432         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6433         (aarch64_get_condition_code_1): Handle CC_Cmode.
6434         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6435         (*add<mode>3_compareC_cconly_imm): New.
6436         (*add<mode>3_compareC_cconly): New.
6437         (*add<mode>3_compareC_imm): New.
6438         (add<mode>3_compareC): New.
6439         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6440         to be first.  Use aarch64_carry_operation.
6441         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6442         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6443         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6444         (subti3): Use subdi3_compare1.
6445         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6446         (sub<mode>3_compare1): New.
6447         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6448         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6449         (*subsi3_carryin_uxtw): Likewise.
6450         (*ngc<mode>, *ngcsi_uxtw): Likewise.
6451         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6452         * config/aarch64/iterators.md (DWI): New.
6453         * config/aarch64/predicates.md (aarch64_carry_operation): New.
6454         (aarch64_borrow_operation): New.
6456 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6458         * graphite-optimize-isl.c (optimize_isl): Print a different debug
6459         message when isl does not return a valid schedule.
6461 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6463         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6464         Remove comments from class declarations: they are already in the code
6465         close by the defs.
6467 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6469         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6470         codegen_error_p.
6471         (ternary_op_to_tree): Same.
6472         (unary_op_to_tree): Same.
6473         (nary_op_to_tree): Same.
6474         (gcc_expression_from_isl_expr_op): Same.
6475         (gcc_expression_from_isl_expression): Same.
6476         (graphite_create_new_loop): Same.
6477         (graphite_create_new_loop_guard): Same.
6478         (build_iv_mapping): Same.
6479         (graphite_create_new_guard): Same.
6480         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6481         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6483 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6485         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6486         instead of setting codegen_error to fail codegen.
6488 2016-01-28  Jason Merrill  <jason@redhat.com>
6490         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6492 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6494         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6495         Remove CONST_INT_P check in CCMP cost calculation.
6497 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6499         * config/aarch64/aarch64.c (generic_vector_cost):
6500         Set vec_permute_cost.
6501         (cortexa57_vector_cost): Likewise.
6502         (exynosm1_vector_cost): Likewise.
6503         (xgene1_vector_cost): Likewise.
6504         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6505         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6506         Add vec_permute_cost entry.
6508 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6510         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6511         immediate as %1.
6512         (add<mode>3_compare0): Likewise.
6513         (addsi3_compare0_uxtw): Likewise.
6514         (add<mode>3nr_compare0): Likewise.
6515         (compare_neg<mode>): Likewise.
6516         (<optab><mode>3): Likewise.
6518 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
6520         * tree-vect-stmts.c (vectorizable_comparison): Add
6521         NULL check for vectype.
6523 2016-01-28  Richard Biener  <rguenther@suse.de>
6525         PR tree-optimization/69466
6526         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6527         Account for PHIs we couldn't duplicate.
6529 2016-01-28  Martin Liska  <mliska@suse.cz>
6531         PR pch/68758
6532         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6533         instead of ENABLE_VALGRIND_CHECKING.
6535 2016-01-27  Richard Henderson  <rth@redhat.com>
6537         PR rtl-opt/69447
6538         * lra-remat.c (subreg_regs): New.
6539         (dump_candidates_and_remat_bb_data): Dump it.
6540         (operand_to_remat): Reject if operand in subreg_regs.
6541         (set_bb_regs): Collect subreg_regs.
6542         (lra_remat): Init and free subreg_regs.  Compute
6543         calculate_local_reg_remat_bb_data before create_cands.
6545 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6547         PR target/68986
6548         * config/i386/i386.c (ix86_update_stack_boundary): Don't
6549         change stack_alignment_needed for __tls_get_addr call.
6551 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
6553         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6555 2016-01-27  Jeff Law  <law@redhat.com>
6557         PR tree-optimization/68398
6558         PR tree-optimization/69196
6559         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6560         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6561         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6562         Only count PHIs in the last block in the path.  The others will
6563         const/copy propagate away.  Add heuristic to allow more irreducible
6564         subloops to be created when it is likely profitable to do so.
6566         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6567         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
6568         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
6570 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6572         PR lto/69254
6573         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6574         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6575         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6576         * tree-streamer-in.c: Include asan.h.
6577         (streamer_get_builtin_tree): For builtins in sanitizer
6578         range call initialize_sanitizer_builtins and retry.
6580 2016-01-27  Ian Lance Taylor  <iant@google.com>
6582         * common.opt (fkeep-gc-roots-live): New undocumented option.
6583         * tree-ssa-loop-ivopts.c (add_candidate_1): If
6584         -fkeep-gc-roots-live, skip pointers.
6585         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6586         NULL.
6588 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
6590         PR target/69512
6591         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6592         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
6594 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
6596         PR target/68380
6597         * configure.ac: NetBSD provides SSP in its C library.
6598         * configure: Updated.
6600 2016-01-27  Richard Biener  <rguenther@suse.de>
6602         PR tree-optimization/69166
6603         * tree-vect-loop.c (vect_is_simple_reduction): Always check
6604         reduction code for commutativity / associativity.
6606 2016-01-27  Martin Jambor  <mjambor@suse.cz>
6608         PR tree-optimization/69355
6609         * tree-sra.c (analyze_access_subtree): Correct hole detection when
6610         total_scalarization fails.
6612 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
6614         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
6615         power9.
6617 2016-01-27  Christian Bruel  <christian.bruel@st.com>
6619         PR target/69245
6620         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
6621         Move arm_reset_previous_fndecl and set_target_option_current_node in
6622         the conditional part.  Call save_restore_target_globals.
6623         * config/arm/arm.c (arm_set_current_function):
6624         Refactor to better support #pragma target and attribute mix.
6625         Call save_restore_target_globals.
6626         * config/arm/arm-protos.h (save_restore_target_globals): New function.
6628 2016-01-27  Martin Liska  <mliska@suse.cz>
6630         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
6631         reference for an HSA kernel and its host function.
6633 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6635         PR tree-optimization/69399
6636         * wide-int.h (wi::lrshift): For larger precisions, only
6637         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
6639 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
6641         * config/arc/predicates.md (proper_comparison_operator): Reject
6642         constant-constant comparison.
6644 2016-01-26  Tom de Vries  <tom@codesourcery.com>
6646         PR tree-optimization/69110
6647         * tree-data-ref.c (initialize_data_dependence_relation): Handle
6648         DR_NUM_DIMENSIONS == 0.
6650 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6651             Sebastian Pop  <s.pop@samsung.com>
6653         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
6654         isl_ast_op_cond and isl_ast_op_select.
6655         (gcc_expression_from_isl_expr_op): Same.
6657 2016-01-26  Jason Merrill  <jason@redhat.com>
6659         PR c++/68782
6660         * tree.c (recompute_constructor_flags): Split out from
6661         build_constructor.
6662         (verify_constructor_flags): New.
6663         * tree.h: Declare them.
6665 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
6667         PR rtl-optimization/69217
6668         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
6669         are no TYPE_FIELDS set for the record type.
6671 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6673         PR target/68662
6674         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
6675         toc_label_name unconditionally.
6676         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
6677         SYMBOL_REF string.  Use toc_label_name instead of constructing
6678         LCTOC1.
6679         (rs6000_elf_declare_function_name): Use toc_label_name instead of
6680         constructing LCTOC1.
6682 2016-01-26  Martin Sebor  <msebor@redhat.com>
6684         PR other/69477
6685         * doc/extend.texi (Common Type Attributes): Move text that talks about
6686         attribute packed from attribute aligned to the section discussing
6687         the former attribute for clarity.
6689 2016-01-26  Richard Henderson  <rth@redhat.com>
6691         PR middle-end/60908
6692         * trans-mem.c (tm_region_init): Mark entry block as visited.
6694 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
6696         PR other/69006
6697         * diagnostic-show-locus.c (layout::print_source_line): Replace
6698         call to pp_newline with call to layout::print_newline.
6699         (layout::print_annotation_line): Likewise.
6700         (layout::move_to_column): Likewise.
6701         (layout::print_any_fixits): After printing any fixits, print a
6702         trailing newline, if necessary.
6703         (layout::print_newline): New method, resetting any colorization
6704         before a newline.
6705         (diagnostic_show_locus): Move the pp_newline to before the
6706         early bailout.  Remove dummy block enclosing the layout instance.
6707         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
6708         of pp_newline_and_flush with pp_flush.
6709         (diagnostic_append_note): Delete use of pp_newline.
6710         (diagnostic_append_note_at_rich_loc): Delete.
6711         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
6712         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
6713         when newline characters are added to the buffer.
6715 2016-01-26  Michael Matz  <matz@suse.de>
6717         * configure.ac (ac_cv_std_swap_in_utility): New test.
6718         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
6719         * configure: Regenerate.
6720         * config.in: Regenerate.
6722 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
6724         * config/arc/arc.md (cstoresi4): Force operand into register.
6725         (arcset<code>): Fix predicate.
6726         (arcsetltu): Likewise.
6727         (arcsetgeu): Likewise.
6728         (arcsethi): Likewise.
6729         (arcsetls): Likewise.
6731 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6733         PR tree-optimization/69483
6734         * gimple-fold.c (canonicalize_constructor_val): Return NULL
6735         if base has error_mark_node type.
6737 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
6739         PR target/68620
6740         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
6741         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
6742         New helper macros.
6743         (vget_lane_f16): Handle big-endian.
6744         (vgetq_lane_f16): Likewise.
6745         (vset_lane_f16): Likewise.
6746         (vsetq_lane_f16): Likewise.
6747         * config/arm/iterators.md (VQXMOV): Add V8HF.
6748         (VDQ): Add V4HF and V8HF.
6749         (V_reg): Handle V4HF and V8HF.
6750         (Is_float_mode): Likewise.
6751         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
6752         neon_vdup_nv8hf): New patterns.
6753         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
6754         Use VD_LANE iterator.
6755         (neon_vld1_dup<mode>): Use VQ2 iterator.
6757 2016-01-26  Nathan Sidwell  <nathan@acm.org>
6759         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
6760         (set_oacc_fn_attrib): Add IS_KERNEL arg.
6761         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
6762         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
6763         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
6764         (oacc_validate_dims): Add LEVEL arg, don't return level.
6765         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
6766         oacc_validate_dims.
6767         (execute_oacc_device_lower): Adjust, add more dump output.
6768         * tree-ssa-loop.c (gate_oacc_kernels): Use
6769         oacc_fn_attrib_kernels_p.
6770         * tree-parloops.c (create_parallel_loop): Adjust
6771         set_oacc_fn_attrib call.
6773 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6775         PR lto/69254
6776         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
6777         (append_compiler_options): Handle -fcilkplus.
6778         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
6780 2016-01-26  Nick Clifton  <nickc@redhat.com>
6782         PR target/66655
6783         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
6784         been marked as DECL_ONE_ONLY but we do not the means to make it
6785         so, then do not allow it to bind locally.
6787 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6789         PR lto/69254
6790         * opts.h (parse_sanitizer_options): New prototype.
6791         * opts.c (sanitizer_opts): New array.
6792         (parse_sanitizer_options): New function.
6793         (common_handle_option): Use parse_sanitizer_options.
6795 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
6797         PR target/68986
6798         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
6799         alignment adjustment to ...
6800         (ix86_update_stack_boundary): Here.  Don't over-align stack for
6801         __tls_get_addr.
6802         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
6803         if __tls_get_addr is called.
6805 2016-01-26  Christian Bruel  <christian.bruel@st.com>
6807         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
6809 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
6811         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
6813 2016-01-26  Richard Biener  <rguenther@suse.de>
6815         PR middle-end/69467
6816         * match.pd: Guard X * CST CMP 0 pattern with single_use.
6818 2016-01-26  Richard Biener  <rguenther@suse.de>
6820         PR tree-optimization/69452
6821         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
6822         (move_computations_dom_walker::before_dom_children): Rename
6823         to ...
6824         (move_computations_worker): This.
6825         (move_computations): Perform an RPO rather than a DOM walk.
6827 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6829         PR target/69442
6830         * combine.c (combine_instructions): For REG_EQUAL note with
6831         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
6832         to the underlying register.
6833         * doc/rtl.texi (REG_EQUAL): Document the behavior of
6834         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
6836 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
6838         PR target/67896
6839         * config/aarch64/aarch64-builtins.c
6840         (aarch64_init_simd_builtin_types): Do not set structural
6841         equality to __Poly{8,16,64,128}_t types.
6843 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
6845         PR tree-optimization/69400
6846         * wide-int.cc (wi_pack): Take the precision as argument and
6847         perform canonicalization here rather than in the callers.
6848         Use the main loop to handle all full-width HWIs.  Add a
6849         zero HWI if in_len isn't a full result.
6850         (wi::divmod_internal): Update accordingly.
6851         (wi::mul_internal): Likewise.  Simplify.
6853 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
6854             Sebastian Pop  <s.pop@samsung.com>
6856         * graphite-poly.c (apply_poly_transforms): Simplify.
6857         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
6858         (print_isl_map): Same.
6859         (print_isl_union_map): Same.
6860         (print_isl_schedule): New.
6861         (debug_isl_schedule): New.
6862         * graphite-dependences.c (scop_get_reads): Do not call
6863         isl_union_map_add_map that is undocumented isl functionality.
6864         (scop_get_must_writes): Same.
6865         (scop_get_may_writes): Same.
6866         (scop_get_original_schedule): Remove.
6867         (scop_get_dependences): Do not call isl_union_map_compute_flow that
6868         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
6869         (compute_deps): Remove.
6870         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
6871         (debug_schedule_ast): New.
6872         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
6873         set_separate_option.
6874         (graphite_regenerate_ast_isl): Add dump.
6875         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
6876         from scop->transformed_schedule.
6877         (graphite_regenerate_ast_isl): Add more dump.
6878         * graphite-optimize-isl.c (optimize_isl): Set
6879         scop->transformed_schedule.  Check whether schedules are equal.
6880         (apply_poly_transforms): Move here.
6881         * graphite-poly.c (apply_poly_transforms): ... from here.
6882         (free_poly_bb): Static.
6883         (free_scop): Static.
6884         (pbb_number_of_iterations_at_time): Remove.
6885         (print_isl_ast): New.
6886         (debug_isl_ast): New.
6887         (debug_scop_pbb): New.
6888         * graphite-scop-detection.c (print_edge): Move.
6889         (print_sese): Move.
6890         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
6891         (build_scop_scattering): Remove.
6892         (create_pw_aff_from_tree): Assert instead of bailing out.
6893         (add_condition_to_pbb): Remove unused code, do not fail.
6894         (add_conditions_to_domain): Same.
6895         (add_conditions_to_constraints): Remove.
6896         (build_scop_context): New.
6897         (add_iter_domain_dimension): New.
6898         (build_iteration_domains): Initialize pbb->iterators.
6899         Call add_conditions_to_domain.
6900         (nested_in): New.
6901         (loop_at): New.
6902         (index_outermost_in_loop): New.
6903         (index_pbb_in_loop): New.
6904         (outermost_pbb_in): New.
6905         (add_in_sequence): New.
6906         (add_outer_projection): New.
6907         (outer_projection_mupa): New.
6908         (add_loop_schedule): New.
6909         (build_schedule_pbb): New.
6910         (build_schedule_loop): New.
6911         (embed_in_surrounding_loops): New.
6912         (build_schedule_loop_nest): New.
6913         (build_original_schedule): New.
6914         (build_poly_scop): Call build_original_schedule.
6915         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
6916         (free_poly_dr): Remove.
6917         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
6918         (free_poly_bb): Remove.
6919         (debug_loop_vec): Remove.
6920         (print_isl_ast): Declare.
6921         (debug_isl_ast): Declare.
6922         (scop_do_interchange): Remove.
6923         (scop_do_strip_mine): Remove.
6924         (scop_do_block): Remove.
6925         (flatten_all_loops): Remove.
6926         (optimize_isl): Remove.
6927         (pbb_number_of_iterations_at_time): Remove.
6928         (debug_scop_pbb): Declare.
6929         (print_schedule_ast): Declare.
6930         (debug_schedule_ast): Declare.
6931         (struct scop): Remove schedule.  Add original_schedule,
6932         transformed_schedule.
6933         (free_gimple_poly_bb): Remove.
6934         (print_generated_program): Remove.
6935         (debug_generated_program): Remove.
6936         (unify_scattering_dimensions): Remove.
6937         * sese.c (print_edge): ... here.
6938         (print_sese): ... here.
6939         (debug_edge): ... here.
6940         (debug_sese): ... here.
6941         * sese.h (print_edge): Declare.
6942         (print_sese): Declare.
6943         (dump_edge): Declare.
6944         (dump_sese): Declare.
6946 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
6947             Sebastian Pop  <s.pop@samsung.com>
6949         * Makefile.in: Set ISLVER in site.exp.
6951 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
6953         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
6954         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
6955         through DECL_VALUE_EXPR for expansion.
6957 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6959         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
6960         the frame info after reload completed.
6962 2016-01-25  Jeff Law  <law@redhat.com>
6964         PR tree-optimization/69196
6965         PR tree-optimization/68398
6966         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
6967         tree-ssa-threadupdate.c.
6968         (determine_bb_domination_status): Prototype
6969         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
6970         (determine_bb_domination_status): No longer static.
6971         (valid_jump_thread_path): Remove code to detect characteristics
6972         of the jump thread path not associated with correctness.
6973         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
6974         Correct test for thread path length.  Count PHIs for real operands as
6975         statements that need to be copied.  Do not count ASSERT_EXPRs.
6976         Look at all the blocks in the thread path.  Compute and selectively
6977         filter thread paths based on threading through the latch, threading
6978         a multiway branch or crossing a multiway branch.
6980 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6982         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
6983         decl with __attribute__ ((unused)) annotation.
6985 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
6987         PR target/69421
6988         * tree-vect-stmts.c (vectorizable_condition): Check vectype
6989         of operands is compatible with a statement vectype.
6991 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
6993         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
6994         improve wording for mixed storage order support.
6996 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
6998         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
6999         (vcvt_u64_f64): Likewise.
7000         (vcvta_s64_f64): Likewise.
7001         (vcvta_u64_f64): Likewise.
7002         (vcvtm_s64_f64): Likewise.
7003         (vcvtm_u64_f64): Likewise.
7004         (vcvtn_s64_f64): Likewise.
7005         (vcvtn_u64_f64): Likewise.
7006         (vcvtp_s64_f64): Likewise.
7007         (vcvtp_u64_f64): Likewise.
7009 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7011         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7012         (arc_init): Check validity mll64 option.
7013         (arc_save_restore): Use double load/store instruction.
7014         (arc_expand_movmem): Likewise.
7015         (arc_split_move): Don't split if we have double load/store
7016         instructions. Returns a boolean.
7017         (arc_process_double_reg_moves): Change function to return boolean
7018         instead of a sequence of instructions.
7019         (arc_dwarf_register_span): New function.
7020         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7021         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7022         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7023         (*movdf_insn): Likewise.
7024         * config/arc/arc.opt (mll64): New option.
7025         * config/arc/predicates.md (even_register_operand): New predicate.
7026         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7028 2016-01-25  Richard Biener  <rguenther@suse.de>
7030         PR lto/69393
7031         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7032         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7033         DECL_NAMELESS.
7034         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7036 2016-01-25  Richard Biener  <rguenther@suse.de>
7038         PR tree-optimization/69376
7039         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7040         flag.
7041         (VN_INFO_ANTI_RANGE_P): New inline.
7042         (VN_INFO_RANGE_TYPE): Likewise.
7043         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7044         SSA_NAME_ANTI_RANGE_P.
7045         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7046         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7047         Properly query VN_INFO_RANGE_TYPE.
7049 2016-01-25  Nick Clifton  <nickc@redhat.com>
7051         PR target/66655
7052         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7054 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7056         PR tree-optimization/69426
7057         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7058         removed clobber.
7060 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7062         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7063         "the the" with "the" in the comments.
7064         * ipa-devirt.c (build_type_inheritance_graph,
7065         update_type_inheritance_graph): Likewise.
7066         * tree.c (build_function_type_list_1): Likewise.
7067         * cfgloopmanip.c (scale_loop_profile): Likewise.
7068         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7069         * gimple-ssa-split-paths.c
7070         (find_block_to_duplicate_for_splitting_paths): Likewise.
7071         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7072         * expr.c (convert_move): Likewise.
7073         * var-tracking.c (vt_stack_adjustments): Likewise.
7074         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7075         * tree-vrp.c (test_for_singularity): Likewise.
7077         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7078         directly instead of building a temporary tree.
7080         PR bootstrap/69434
7081         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7082         remove <algorithm> include.
7084 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7086         PR target/69432
7087         * config/i386/i386.c: Include dojump.h.
7088         (expand_small_movmem_or_setmem,
7089         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7090         fixes.
7091         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7092         if dynamic_check != -1.
7094 2016-01-21  Jeff Law  <law@redhat.com>
7096         PR middle-end/69347
7097         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7098         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7099         into dominated_by_p.
7100         (cprop_into_successor_phis): Avoid unnecessary tests.
7102 2016-01-22  Richard Henderson  <rth@redhat.com>
7104         PR target/69416
7105         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7106         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7108 2016-01-22  Michael Matz  <matz@suse.de>
7110         * system.h (string, algorithm): Include only conditionally.
7111         (new): Include always under C++.
7112         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7113         * final.c (toplevel): Ditto.
7114         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7115         * genconditions.c (write_header): Make gencondmd.c define
7116         INCLUDE_STRING.
7117         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7119         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7120         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7122 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7124         PR target/68674
7125         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7127 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7129         PR target/69403
7130         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7131         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7132         get assigned the same register.
7134 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7136         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7138 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7140         * config/arm/arm-c.c (arm_pragma_target_parse):
7141         Remove warn_builtin_macro_redefined overwrite.
7143 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7145         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7146         flag_non_call_exceptions compatibility.
7148 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7150         PR debug/66668
7151         * dwarf2out.c (add_child_die_after): New function.
7152         (dwarf_qual_info_t): New type.
7153         (dwarf_qual_info): New variable.
7154         (qualified_die_p): New function.
7155         (modified_type_die): For -fdebug-types-section, ensure
7156         canonical order of qualifiers.  Put qualified DIEs adjacent
7157         to the corresponding non-qualified type DIE and search there
7158         for existing qualified DIEs.
7160 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7162         * doc/extend.texi (scalar_storage_order type attribute): Document
7163         restriction on type punning and aliasing, and remove future tense.
7165 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7167         PR target/69252
7168         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7169         first stage.
7171 2016-01-21  Jeff Law  <law@redhat.com>
7173         PR middle-end/69347
7174         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7175         useless call to record_temporary_equivalences.
7176         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7177         allocate 10 slots in the bb_path vector and let it grow as needed.
7178         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7179         vector.
7181 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7183         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7184         Detangle.
7185         * configure: Regenerate.
7187 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7189         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7190         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7192 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7194         PR middle-end/66178
7195         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7196         drop EXPAND_INITIALIZER.
7197         * rtl.h (contains_symbolic_reference_p): Declare.
7198         * rtlanal.c (contains_symbolic_reference_p): New function.
7199         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7200         a subtraction into a NOT if symbolic constants are involved.
7202 2016-01-21  Anton Blanchard  <anton@samba.org>
7203             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7205         PR target/63354
7206         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7207         #define.
7208         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7209         function.
7211 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7213         * config/microblaze/microblaze.c
7214         (get_branch_target): New.
7215         (insert_wic_for_ilb_runout): New.
7216         (insert_wic): New.
7217         (microblaze_machine_dependent_reorg): New.
7218         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7219         * config/microblaze/microblaze.md
7220         (UNSPEC_IPREFETCH): Define.
7221         (iprefetch): New pattern
7222         * config/microblaze/microblaze.opt
7223         (mxl-prefetch): New flag.
7225 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7227         * config/microblaze/microblaze.h
7228         (FIXED_REGISTERS): Update in macro.
7229         (CALL_USED_REGISTERS): Update in macro.
7231 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7233         PR rtl-optimization/68920
7234         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7235         moves.
7237 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7239         PR rtl-optimization/68990
7240         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7241         pseudo instead of inheritance ones.
7243 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7244             Nick Clifton  <nickc@redhat.com>
7246         PR target/69129
7247         PR target/69012
7248         * config/mips/mips.c (mips_compute_frame_info): Initialise
7249         args_size and hard_frame_pointer_offset fields of the frame
7250         structure before calling mips_global_pointer.
7252 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7254         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7255         label reference.
7256         * configure: Regenerate.
7258 2016-01-21  Richard Biener  <rguenther@suse.de>
7260         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7262 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7264         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7265         to actually emit the .size directive.
7267 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7268              Jakub Jelinek  <jakub@redhat.com>
7270         PR target/69187
7271         PR target/65624
7272         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7273         args array size by one to avoid buffer overflow.
7275 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7277         * config/s390/s390.md (pool_section_start): Use switch_to_section
7278         to select proper read-only data section instead of hardcoding
7279         .rodata.
7280         (pool_section_end): Use switch_to_section to match the above.
7282 2016-01-21  Richard Biener  <rguenther@suse.de>
7284         PR tree-optimization/69378
7285         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7286         (set_ssa_val_to): Use it for dominance checks taking into
7287         account not executable edges.
7289 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7291         PR c++/69355
7292         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7293         for bitsize instead of GET_MODE_PRECISION (mode).
7295 2016-01-20  Martin Sebor  <msebor@redhat.com>
7297         PR c/52291
7298         * extend.texi (__sync Builtins): Clarify the semantics of
7299         __sync_fetch_and_OP built-ins on pointers.
7300         (__atomic Builtins): Same.
7302 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7303             Sebastian Pop  <s.pop@samsung.com>
7305         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7306         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7307         (is_valid_rename): Same.
7308         (translate_isl_ast_to_gimple::get_rename): Same.
7309         (translate_isl_ast_to_gimple::rename_all_uses): Same.
7310         (translate_isl_ast_to_gimple::rename_uses): Same.
7311         (get_new_name): Check for close_phi nodes.
7312         (copy_loop_phi_args): Use phi_node_kind.
7313         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7314         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7316 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7317             Sebastian Pop  <s.pop@samsung.com>
7319         Revert commit r229783.
7320         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7321         Remove use of parameter_rename_map.
7322         (copy_def): Remove.
7323         (copy_internal_parameters): Remove.
7324         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7325         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7326         (free_sese_info): Do not free parameter_rename_map.
7327         (set_rename): Do not use parameter_rename_map.
7328         (rename_uses): Update call to set_rename.
7329         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7330         * sese.h (parameter_rename_map_t): Remove.
7331         (struct sese_info_t): Remove field parameter_rename_map.
7333 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7334             Sebastian Pop  <s.pop@samsung.com>
7336         * graphite-isl-ast-to-gimple.c: Fix comment.
7337         * graphite-scop-detection.c (defined_in_loop_p): New.
7338         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7339         names defined in loop.
7341 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7342             Sebastian Pop  <s.pop@samsung.com>
7344         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7345         Discard unstructured if-then-else regions.
7347 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7348             Sebastian Pop  <s.pop@samsung.com>
7350         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7351         (cleanup_loop_iter_dom): Remove.
7352         (build_loop_iteration_domains): Remove.
7353         (build_scop_context): Remove.
7354         (build_scop_iteration_domain): Remove.
7355         (add_loop_constraints): New.
7356         (build_iteration_domains): New.
7357         (build_poly_scop): Call build_iteration_domains.
7359 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7360             Sebastian Pop  <s.pop@samsung.com>
7362         * graphite-scop-detection.c
7363         (scop_detection::harmful_loop_in_region): Free dom and loops.
7364         (scop_detection::loop_body_is_valid_scop): Free bbs.
7366 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7367             Sebastian Pop  <s.pop@samsung.com>
7369         * graphite-scop-detection.c (record_loop_in_sese): New.
7370         (gather_bbs::before_dom_children): Call record_loop_in_sese.
7371         (build_scops): Remove call to build_sese_loop_nests.
7372         * sese.c (sese_record_loop): Remove.
7373         (build_sese_loop_nests): Remove.
7374         (new_sese_info): Remove region->loops.
7375         (free_sese_info): Same.
7376         * sese.h (sese_contains_loop): Same.
7377         (build_sese_loop_nests): Remove.
7378         (sese_contains_loop): Remove.
7380 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7381             Sebastian Pop  <s.pop@samsung.com>
7383         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7384         loop_is_valid_in_scop.
7385         (scop_detection::harmful_stmt_in_region): Renamed
7386         harmful_loop_in_region.
7387         Call loop_is_valid_in_scop.
7389 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7390             Sebastian Pop  <s.pop@samsung.com>
7392         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7393         isl_ast_node_mark.
7395 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7396             Sebastian Pop  <s.pop@samsung.com>
7398         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7399         * graphite.h (struct poly_bb): Remove field is_reduction.
7400         (PBB_IS_REDUCTION): Remove.
7402 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7403             Sebastian Pop  <s.pop@samsung.com>
7405         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7406         (add_pdr_constraints): Same.
7407         (scop_get_reads): Same.
7408         (scop_get_must_writes): Same.
7409         (scop_get_may_writes): Same.
7410         (scop_get_original_schedule): Same.
7411         (extend_schedule): Same.
7412         (apply_schedule_on_deps): Same.
7413         (carries_deps): Same.
7414         (compute_deps): Same.
7415         (scop_get_dependences): Same.
7416         * graphite-isl-ast-to-gimple.c
7417         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7418         * graphite-optimize-isl.c (get_schedule_for_band): Same.
7419         (get_schedule_for_band_list): Same.
7420         (get_schedule_map): Same.
7421         (apply_schedule_map_to_scop): Same.
7422         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7423         (build_loop_iteration_domains): Same.
7424         (add_condition_to_pbb): Same.
7425         (add_param_constraints): Same.
7426         (pdr_add_memory_accesses): Same.
7427         (pdr_add_data_dimensions): Same.
7429 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7431         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7432         requirements.
7434 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7436         * common.opt (feliminate-dwarf2-dups): Replace references to
7437         "DWARF 2" with just "DWARF".
7438         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7439         * doc/extend.texi: Likewise.
7440         * doc/cpp.texi: Likewise.
7441         * doc/invoke.texi: Likewise.
7442         (Option Summary): Add -gdwarf to list of Debugging Options.
7443         (Debugging Options): Document -gdwarf.
7444         * doc/contrib.texi: Spell "DWARF" like that.
7446 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7448         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7449         warning.  Fix up formatting.
7451         PR middle-end/67653
7452         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7453         attempt to mark memory input operand addressable and
7454         call prepare_gimple_addressable in that case.  Don't adjust
7455         input_location for diagnostics, use error_at instead.
7457 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
7459         * config/rs6000/ppc-auxv.h: New file.
7460         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7461         (cpu_is): Likewise.
7462         (cpu_supports): Likewise.
7463         * config/rs6000/rs6000.c: include "ppc-auxv.h".
7464         (cpu_is_info): New variable.
7465         (cpu_supports_info): Likewise.
7466         (tcb_verification_symbol): Likewise.
7467         (cpu_builtin_p): Likewise.
7468         (cpu_expand_builtin): New function.
7469         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7470         (rs6000_init_builtins): Likewise.
7471         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7472         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7473         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7474         * configure: Regenerate.
7475         * config.in: Likewise.
7476         * doc/extend.texi (PowerPC Built-in Functions): Document
7477         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7479 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
7481         PR target/68609
7482         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7483         domain check.
7484         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7485         for V4SFmode.
7487 2016-01-20  Richard Henderson  <rth@redhat.com>
7489         PR bootstrap/69343
7490         PR bootstrap/69339
7491         PR tree-opt/68964
7492         Revert:
7493         * tree.c (tm_define_builtin): New.
7494         (find_tm_vector_type): New.
7495         (build_tm_vector_builtins): New.
7496         (build_common_builtin_nodes): Call it.
7498 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
7500         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7501         (arm_fp_ok): Likewise.
7502         (arm_fp): Likewise.
7503         (arm_crypto): Likewise.
7505 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
7506             Richard Biener  <rguenther@suse.de>
7508         PR tree-optimization/69328
7509         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7510         vectors have same number of elements.
7511         (vectorizable_condition): Fix masked version recognition.
7513 2016-01-20  Richard Biener  <rguenther@suse.de>
7515         PR tree-optimization/69345
7516         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7517         (VN_INFO_PTR_INFO): Likewise.
7518         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7519         info when it is equal between non-dominating SSA names.
7520         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7521         Make sure to look at original SSA infos.
7523 2016-01-20  Jeff Law  <law@redhat.com>
7525         PR target/25114
7526         * config/m68k/predicates.md (pow2_m1_operand): New predicate
7527         extracted from ...
7528         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7529         (pc_or_label_operand): New predicate.
7530         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7531         tests for small integers that are 2^n - 1.
7533 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
7535         * doc/invoke.texi (Options Summary): Add '.' after @xref.
7537 2016-01-19  Jeff Law  <law@redhat.com>
7539         PR middle-end/69347
7540         * tree-ssa-threadbackwards.c
7541         (fsm_find_control_statement_thread_paths): Do not try to lookup
7542         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7544 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
7546         * doc/lto.texi: Remove text that says only Gold has linker plugin
7547         support.
7549 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
7551         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7552         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7553         the DIE accordingly.
7554         (modified_type_die): Add REVERSE parameter and pass it recursively,
7555         as well as to base_type_die.  Adjust presence check accordingly.
7556         (base_type_for_mode): Adjust call to modified_type_die.
7557         (add_type_attribute): Add REVERSE parameter and pass it to
7558         modified_type_die.
7559         (generic_parameter_die): Adjust call to add_type_attribute.
7560         (add_scalar_info): Likewise.
7561         (add_subscript_info): Likewise.
7562         (gen_array_type_die): Likewise.
7563         (gen_descr_array_type_die): Likewise.
7564         (gen_entry_point_die): Likewise.
7565         (gen_enumeration_type_die): Likewise.
7566         (gen_formal_parameter_die): Likewise.
7567         (gen_subprogram_die): Likewise.
7568         (gen_variable_die ): Likewise.
7569         (gen_const_die): Likewise.
7570         (gen_field_die): Likewise.
7571         (gen_pointer_type_die): Likewise.
7572         (gen_reference_type_die): Likewise.
7573         (gen_ptr_to_mbr_type_die): Likewise.
7574         (gen_inheritance_die): Likewise.
7575         (gen_subroutine_type_die): Likewise.
7576         (gen_typedef_die): Likewise.
7577         (force_type_die): Adjust call to modified_type_die.
7579 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7581         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7582         flow throughout the file.  Fix broken link to Objective-C 2.0
7583         documentation.
7584         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7585         errors.
7587 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7589         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7591 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7593         PR ipa/66223
7594         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
7595         (maybe_record_node): Record cxa_pure_virtual as the only possible
7596         target if there are not ohter candidates.
7597         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
7599 2016-01-19  Richard Biener  <rguenther@suse.de>
7601         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
7602         (get_memory_order): Likewise.
7604 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
7606         * tree-vect-stmts.c (vectorizable_store): Check
7607         rhs vectype.
7609 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
7611         PR jit/68446
7612         * gcc.c (driver::decode_argv): Add call to
7613         init_opts_obstack before init_options_struct.
7614         * opts.c (init_opts_obstack): Remove idempotency.
7615         (init_options_struct): Replace call to init_opts_obstack
7616         with a gcc_assert to verify that it has already been called.
7617         * toplev.c (toplev::main): Add call to init_opts_obstack before
7618         calls to init_options_struct.
7619         (toplev::finalize): Move cleanup of opts_obstack next to
7620         cleanup of save_decoded_options, clearing the latter, and
7621         save_decoded_options_count.
7623 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7625         PR target/69135
7626         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
7627         attribute to unconditional.  Remove %? from output template.
7629 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7630             Jiong Wang  <jiong.wang@arm.com>
7632         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
7633         generated from different expand order.
7635 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7637         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7638         Add support for CCMP costing.
7640 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7642         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
7643         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
7644         (fccmpe<mode>): Likewise.
7645         (fcmp): Rename to fcmp and globalize pattern.
7646         (fcmpe): Likewise.
7647         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
7648         (aarch64_gen_ccmp_next): Add FP support.
7650 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7652         * target.def (gen_ccmp_first): Update documentation.
7653         (gen_ccmp_next): Likewise.
7654         * doc/tm.texi (gen_ccmp_first): Update documentation.
7655         (gen_ccmp_next): Likewise.
7656         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
7657         expand_ccmp_expr_1.  Improve comments.
7658         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
7659         (ccmp_ior<mode>): Remove pattern.
7660         (cmp<mode>): Remove expand.
7661         (cmp): Globalize pattern.
7662         (cstorecc4): Use cc_register.
7663         (mov<mode>cc): Remove ccmp_cc_register check.
7664         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
7665         Simplify after removal of CC_DNE/* modes.
7666         (aarch64_ccmp_mode_to_code): Remove.
7667         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
7668         In 'k' case use integer as condition.
7669         (aarch64_nzcv_codes): Remove inverted cases.
7670         (aarch64_code_to_ccmode): Remove.
7671         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
7672         comparison with CC register to be used in folowing CCMP/branch/CSEL.
7673         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
7674         pattern.  Return the comparison with CC register.  Invert conditions
7675         when bitcode is OR.
7676         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
7677         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
7679 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7681         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7682         instrumented_version.
7684 2016-01-19  Richard Biener  <rguenther@suse.de>
7686         PR tree-optimization/69336
7687         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
7688         handled components with get_ref_base_and_extent.
7689         (equal_mem_array_ref_p): Adjust.
7691 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7693         PR debug/65779
7694         * shrink-wrap.c: Include valtrack.h.
7695         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
7696         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
7697         in between insn and where it will be moved to.  Call
7698         dead_debug_insert_temp.
7699         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
7700         first and dead_debug_local_finish at the end.
7701         For uses and defs bitmap, handle all regs in between REGNO and
7702         END_REGNO, not just the first one.
7704 2016-01-19  Richard Biener  <rguenther@suse.de>
7706         PR tree-optimization/69352
7707         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
7708         (equal_mem_array_ref_p): Constrain size and max size properly.
7709         Compare the reverse flag.
7711 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
7713         * ira.c (ira): Update regstat data if we deleted insns.
7715 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7717         PR rtl-optimization/68955
7718         PR rtl-optimization/64557
7719         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
7720         here.  Fix up formatting.
7721         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
7723 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7725         PR lto/69133
7726         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
7727         assume that the node has body.
7728         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
7729         check.
7731 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7733         * lto-streamer-out.c (lto_output): Do not stream instrumentation
7734         thunks.
7736 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7738         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
7739         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
7741 2016-01-19  Martin Jambor  <mjambor@suse.cz>
7742             Martin Liska  <mliska@suse.cz>
7743             Michael Matz  <matz@suse.de>
7745         * Makefile.in (OBJS): Add new source files.
7746         (GTFILES): Add hsa.c.
7747         * common.opt (disable_hsa): New variable.
7748         (-Whsa): New warning.
7749         * config.in (ENABLE_HSA): New.
7750         * configure.ac: Treat hsa differently from other accelerators.
7751         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
7752         $enable_offloading.
7753         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
7754         * doc/install.texi (Configuration): Document --with-hsa-runtime,
7755         --with-hsa-runtime-include, --with-hsa-runtime-lib and
7756         --with-hsa-kmt-lib.
7757         * doc/invoke.texi (-Whsa): Document.
7758         (hsa-gen-debug-stores): Likewise.
7759         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
7760         to invoke offload compiler for hsa acclerator.
7761         * opts.c (common_handle_option): Determine whether HSA offloading
7762         should be performed.
7763         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
7764         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
7765         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
7766         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
7767         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
7768         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
7769         GF_OMP_FOR_KIND_GRID_LOOP.
7770         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
7771         (pp_gimple_stmt_1): Likewise.
7772         * gimple-walk.c (walk_gimple_stmt): Likewise.
7773         * gimple.c (gimple_build_omp_grid_body): New function.
7774         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
7775         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
7776         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
7777         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
7778         GF_OMP_TEAMS_GRID_PHONY.
7779         (gimple_statement_omp_single_layout): Updated comments.
7780         (gimple_build_omp_grid_body): New function.
7781         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
7782         (gimple_omp_for_grid_phony): New function.
7783         (gimple_omp_for_set_grid_phony): Likewise.
7784         (gimple_omp_parallel_grid_phony): Likewise.
7785         (gimple_omp_parallel_set_grid_phony): Likewise.
7786         (gimple_omp_teams_grid_phony): Likewise.
7787         (gimple_omp_teams_set_grid_phony): Likewise.
7788         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
7789         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
7790         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
7791         (BUILT_IN_GOMP_TARGET): Updated type.
7792         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
7793         (adjust_for_condition): New function.
7794         (get_omp_for_step_from_incr): Likewise.
7795         (extract_omp_for_data): Moved parts to adjust_for_condition and
7796         get_omp_for_step_from_incr.
7797         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
7798         (fixup_child_record_type): Bail out if receiver_decl is NULL.
7799         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
7800         (scan_omp_parallel): Do not create child functions for phony
7801         constructs.
7802         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
7803         (scan_omp_1_op): Checking assert we are not remapping to
7804         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
7805         (parallel_needs_hsa_kernel_p): New function.
7806         (expand_parallel_call): Register apprpriate parallel child
7807         functions as HSA kernels.
7808         (grid_launch_attributes_trees): New type.
7809         (grid_attr_trees): New variable.
7810         (grid_create_kernel_launch_attr_types): New function.
7811         (grid_insert_store_range_dim): Likewise.
7812         (grid_get_kernel_launch_attributes): Likewise.
7813         (get_target_argument_identifier_1): Likewise.
7814         (get_target_argument_identifier): Likewise.
7815         (get_target_argument_value): Likewise.
7816         (push_target_argument_according_to_value): Likewise.
7817         (get_target_arguments): Likewise.
7818         (expand_omp_target): Call get_target_arguments instead of looking
7819         up for teams and thread limit.
7820         (grid_expand_omp_for_loop): New function.
7821         (grid_arg_decl_map): New type.
7822         (grid_remap_kernel_arg_accesses): New function.
7823         (grid_expand_target_kernel_body): New function.
7824         (expand_omp): Call it.
7825         (lower_omp_for): Do not emit phony constructs.
7826         (lower_omp_taskreg): Do not emit phony constructs but create for them
7827         a temporary variable receiver_decl.
7828         (lower_omp_taskreg): Do not emit phony constructs.
7829         (lower_omp_teams): Likewise.
7830         (lower_omp_grid_body): New function.
7831         (lower_omp_1): Call it.
7832         (grid_reg_assignment_to_local_var_p): New function.
7833         (grid_seq_only_contains_local_assignments): Likewise.
7834         (grid_find_single_omp_among_assignments_1): Likewise.
7835         (grid_find_single_omp_among_assignments): Likewise.
7836         (grid_find_ungridifiable_statement): Likewise.
7837         (grid_target_follows_gridifiable_pattern): Likewise.
7838         (grid_remap_prebody_decls): Likewise.
7839         (grid_copy_leading_local_assignments): Likewise.
7840         (grid_process_kernel_body_copy): Likewise.
7841         (grid_attempt_target_gridification): Likewise.
7842         (grid_gridify_all_targets_stmt): Likewise.
7843         (grid_gridify_all_targets): Likewise.
7844         (execute_lower_omp): Call grid_gridify_all_targets.
7845         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
7846         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
7847         (tree_omp_clause): Added union field dimension.
7848         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
7849         * tree.c (omp_clause_num_ops): Added number of arguments of
7850         OMP_CLAUSE__GRIDDIM_.
7851         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
7852         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
7853         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
7854         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
7855         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
7856         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
7857         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
7858         * tree-pass.h (make_pass_gen_hsail): Declare.
7859         (make_pass_ipa_hsa): Likewise.
7860         * ipa-hsa.c: New file.
7861         * lto-section-in.c (lto_section_name): Add hsa section name.
7862         * lto-streamer.h (lto_section_type): Add hsa section.
7863         * timevar.def (TV_IPA_HSA): New.
7864         * hsa-brig-format.h: New file.
7865         * hsa-brig.c: New file.
7866         * hsa-dump.c: Likewise.
7867         * hsa-gen.c: Likewise.
7868         * hsa.c: Likewise.
7869         * hsa.h: Likewise.
7870         * toplev.c (compile_file): Call hsa_output_brig.
7871         * hsa-regalloc.c: New file.
7873 2016-01-18  Jeff Law  <law@redhat.com>
7875         PR tree-optimization/69320
7876         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
7877         ranged object, do nothing if the RHS constant is not [0..1].
7878         (optimize_stmt): Comparing a boolean ranged object against a
7879         constant outside [0..1] results in a compile-time constant.
7881         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
7882         test.
7884 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
7886         * doc/invoke.texi (Invoking GCC): Add new section to menu.
7887         (Option Summary): Update to reflect new section and moved options.
7888         (C++ Dialect Options): Move -fstats to new section.
7889         (Debugging Options): Move all dump, statistics, and other GCC
7890         developer options to new section.  Rewrite section introduction
7891         and re-order remaining options to put the more basic ones first.
7892         (Optimization Options): Move -fira-verbose and -flto-report* to
7893         new section.
7894         (Developer Options): New section incorporating moved options.
7895         * doc/cppopts.texi (-dM): Update cross-reference.
7897 2016-01-18  Richard Henderson  <rth@redhat.com>
7899         PR target/69176
7900         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
7901         operands to pseudo only if CSE is expected.  Split long immediate
7902         operands only after reload, and for the stack pointer.
7903         (*add<GPI>3_pluslong): Remove.
7904         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
7905         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
7906         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
7907         (*add<GPI>3 peepholes): New.
7908         (*add<GPI>3 splitters): New.
7909         * config/aarch64/constraints.md (Upl): New.
7910         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
7912 2016-01-18  Richard Biener  <rguenther@suse.de>
7914         PR tree-optimization/69297
7915         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
7916         stmt at most once.
7917         (vect_bb_vectorization_profitable_p): Clear visited flag again.
7919 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
7921         PR middle-end/68542
7922         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
7923         of mixind vector and scalar types.
7924         (fold_relational_const): Add handling of vector
7925         comparison with boolean result.
7926         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
7927         comparison of vector operands with boolean result for EQ/NE only.
7928         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
7929         (verify_gimple_cond): Likewise.
7930         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
7931         valid type of VAL.
7933 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
7935         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
7936         !TARGET_OCTEON.
7938 2016-01-18  Richard Biener  <rguenther@suse.de>
7940         PR middle-end/69308
7941         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
7943 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7945         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
7947 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7949         * omp-low.c (set_oacc_fn_attrib): Make extern.
7950         * omp-low.h (set_oacc_fn_attrib): Declare.
7951         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
7952         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
7953         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
7954         Add and handle function parameter oacc_kernels_p.
7955         (find_reduc_addr, get_omp_data_i_param): New function.
7956         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
7957         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
7958         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
7959         Calculate dominance info.  Skip loops that are not in a kernels region
7960         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
7961         (pass_parallelize_loops::execute): Call parallelize_loops with
7962         oacc_kernels_p argument.
7963         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
7964         New member function.
7965         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
7966         * passes.def: Add argument to pass_parallelize_loops instantation.
7968 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7970         * tree-parloops.c (pass_parallelize_loops::execute): Allow
7971         pass_parallelize_loops to be run outside the loop pipeline.
7973 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7975         * tree-scalar-evolution.c (follow_copies_to_constant): New.
7976         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
7978 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7980         PR target/63679
7981         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
7982         using get_ref_base_and_extent.
7983         (equal_mem_array_ref_p): New.
7984         (hashable_expr_equal_p): Add call to previous.
7986 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7988         PR target/63679
7989         * tree-sra.c (disqualified_constants, constant_decl_p): New.
7990         (sra_initialize): Allocate disqualified_constants.
7991         (sra_deinitialize): Free disqualified_constants.
7992         (disqualify_candidate): Update disqualified_constants when appropriate.
7993         (create_access): Scan for constant-pool entries as we go along.
7994         (scalarizable_type_p): Add check against type_contains_placeholder_p.
7995         (maybe_add_sra_candidate): Allow constant-pool entries.
7996         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
7997         (initialize_constant_pool_replacements): New.
7998         (sra_modify_assign): Avoid mangling assignments created by previous,
7999         and don't generate writes into constant pool.
8000         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8002 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8004         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8005         andnot instruction.
8006         (scalar_chain::convert_op): Likewise.
8007         * config/i386/i386.md (*andndi3_doubleword): New.
8009 2016-01-18  Richard Biener  <rguenther@suse.de>
8011         PR tree-optimization/69170
8012         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8013         building a vector from scalar results of a pattern stmt.
8015 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8017         * haifa-sched.c (autopref_multipass_init): Work around
8018         -Wmaybe-uninitialized warning.
8020 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8022         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8023         against the constant 0.
8025 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8027         PR tree-optimization/68799
8028         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8029         look up phi candidates in the statement-candidate map.
8030         (phi_add_costs): Likewise.
8031         (record_phi_increments): Likewise.
8032         (phi_incr_cost): Likewise.
8033         (ncd_with_phi): Likewise.
8034         (all_phi_incrs_profitable): Likewise.
8036 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8038         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8039         -Wmaybe-uninitialized warning.
8041 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8043         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8044         (Option Summary): Update to reflect new section and moved options.
8045         (C++ Dialect Options): Move -fvtable-verify and related options.
8046         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8047         and profiling-related options.
8048         (Optimization Options): Move profile generation options and
8049         -fstack-protector and related options.
8050         (Instrumentation Options): New section incorporating moved options.
8051         (Code Generation Options): Move -finstrument-functions and
8052         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8054 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8056         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8058 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8060         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8062 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8064         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8065         that checks whether the table is already empty.  Rename the
8066         original implementation to...
8067         (hash_table::empty_slot): ...this new private function.
8069 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8071         PR diagnostic/68899
8072         * diagnostic-show-locus.c (layout::print_source_line): Move x
8073         offset of line until after call to
8074         get_line_width_without_trailing_whitespace.
8076 2016-01-15  Jeff Law  <law@redhat.com>
8078         PR tree-optimization/69270
8079         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8080         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8081         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8082         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8083         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8084         ssa_name_has_boolean_range and constant_boolean_node.
8086 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8088         PR rtl-optimization/69030
8089         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8090         returning bool.
8091         (spill_pseudos): Delete debug insn for dead pseudo.
8092         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8094 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8096         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8097         New.
8098         (TYPES_UNOPUS): Likewise.
8099         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8100         builtin type, from UNOP to UNOPUS.
8101         (lbtruncuv4sf): Likewise.
8102         (lbtruncuv2df): Likewise.
8103         (lrounduv2sf): Likewise.
8104         (lrounduv4sf): Likewise.
8105         (lrounduv2df): Likewise.
8106         (lroundusf): Likewise.
8107         (lroundusf): Likewise.
8108         (lceiluv2sf): Likewise.
8109         (lceiluv4sf): Likewise.
8110         (lceiluv2df): Likewise.
8111         (lceilusf): Likewise.
8112         (lceiludf): Likewise.
8113         (lflooruv2sf): Likewise.
8114         (lflooruv4sf): Likewise.
8115         (lflooruv2df): Likewise.
8116         (lfloorusf): Likewise.
8117         (lfloorudf): Likewise.
8118         (lfrintnuv2sf): Likewise.
8119         (lfrintnuv4sf): Likewise.
8120         (lfrintnuv2df): Likewise.
8121         (lfrintnusf): Likewise.
8122         (lfrintnudf): Likewise.
8123         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8124         conversion.
8125         (vcvtq_u32_f32): Likewise.
8126         (vcvtq_u64_f64): Likewise.
8127         (vcvta_u32_f32): Likewise.
8128         (vcvtaq_u32_f32): Likewise.
8129         (vcvtaq_u64_f64): Likewise.
8130         (vcvtm_u32_f32): Likewise.
8131         (vcvtmq_u32_f32): Likewise.
8132         (vcvtmq_u64_f64): Likewise.
8133         (vcvtn_u32_f32): Likwise.
8134         (vcvtnq_u32_f32): Likewise.
8135         (vcvtnq_u64_f64): Likewise.
8136         (vcvtp_u32_f32): Likewise.
8137         (vcvtpq_u32_f32): Likewise.
8138         (vcvtpq_u64_f64): Likewise.
8139         (vcvtmd_u64_f64): Likewise.
8140         (vcvtms_u32_f32): Likewise.
8141         (vcvtad_u64_f64): Likewise.
8142         (vcvtas_u32_f32): Likewise.
8143         (vcvtnd_u64_f64): Likewise.
8144         (vcvtns_u32_f32): Likewise.
8145         (vcvtpd_u64_f64): Likewise.
8146         (vcvtps_u32_f32): Likewise.
8148 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8150         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8151         CSEL of zero_extended registers.
8153 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8155         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8156         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8158 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8160         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8161         false when argument string is not found in the attributes table
8162         at all.
8164 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8166         PR target/68609
8167         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8168         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8169         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8170         precision estimate.
8172 2016-01-15  Richard Biener  <rguenther@suse.de>
8174         PR tree-optimization/66856
8175         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8176         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8177         (vect_create_new_slp_node): Increment stmt reference count.
8178         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8179         an SLP tree before swapping operands.
8180         (vect_build_slp_tree): Likewise.
8181         (destroy_bb_vec_info): Free stmt info after SLP instances.
8182         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8183         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8184         (STMT_VINFO_NUM_SLP_USES): New macro.
8186 2016-01-15  Richard Biener  <rguenther@suse.de>
8188         PR debug/69137
8189         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8190         (add_linkage_name): ... here.
8191         (gen_typedef_die): Use add_linkage_name_raw instead of
8192         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8193         if necessary.
8195 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8197         * gimplify.c (oacc_default_clause): Decode reference and pointer
8198         types for both kernels and parallel regions.
8200 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8202         PR middle-end/69246
8203         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8205 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8207         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8208         (convert_scalars_to_vector): Likewise.
8210 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8212         * doc/extend.texi (Type Traits): Fix grammar.
8214 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8216         * tree-inline.c (remap_decl): Use existing dclarations if
8217         remapping a type and prevent_decl_creation_for_types.
8218         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8219         decls first.  Do real remapping with
8220         prevent_decl_creation_for_types set.
8221         * tree-inline.h (copy_body_data): New field
8222         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8223         padding.
8225 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8227         * config/s390/s390.opt (mmvcle): More verbose help text.
8229 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8231         * config/s390/s390.opt: Add period to -mzvector option text.
8233 2016-01-15  Richard Biener  <rguenther@suse.de>
8235         PR tree-optimization/68961
8236         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8237         of invariants in stores again.
8239 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8241         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8243 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8245         * config/i386/i386.c (ix86_expand_branch): Don't split
8246         DI mode xor instruction to SI mode.
8248 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8250         PR ipa/68148
8251         * ipa-icf.c (sem_function::merge): Virtual functions may become
8252         reachable even if they address is not taken and there are no
8253         idrect calls.
8255 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8257         * lto-streamer-out.c (subtract_estimated_size): New function.
8258         (get_symbol_initial_value): Use it.
8260 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8262         PR target/65837
8263         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8264         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8265         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8266         use add_builtin_function_ext_scope instead of add_builtin_function.
8267         (neon_set_p, neon_crypto_set_p): Remove.
8268         (arm_init_builtins): Always call arm_init_neon_builtins and
8269         arm_init_crypto_builtins.
8270         (arm_expand_builtin): Check that builtins are allowed for the arch.
8271         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8272         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8273         arm_init_neon_builtins call.
8275 2016-01-15  Richard Biener  <rguenther@suse.de>
8277         PR tree-optimization/69117
8278         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8279         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8280         of the leader conservatively.
8281         (free_scc_vn): Restore original SSA name infos.
8283 2016-01-14  Jeff Law  <law@redhat.com>
8285         PR tree-optimization/69270
8286         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8287         single bit of precision, verify it's also unsigned.
8288         (record_edge_info): Use constant_boolean_node rather than fold_convert
8289         to convert boolean_true/boolean_false to the right type.
8291 2016-01-14  Richard Henderson  <rth@redhat.com>
8293         PR rtl-opt/69014
8294         * loop-doloop.c (record_reg_sets): New.
8295         (doloop_optimize): Reject the transform if the sequence
8296         clobbers registers live at the end of the loop block.
8297         (doloop_optimize_loops): Enable df_live if needed.
8299 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8301         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8302         * gcc/config/rs6000/rs6000.c: Likewise.
8303         * gcc/config/rs6000/rs6000.h: Likewise.
8304         * gcc/config/rs6000/rs6000.md: Likewise.
8305         * gcc/doc/extend.texi: Likewsie.
8307 2016-01-14  Jeff Law  <law@redhat.com>
8309         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8310         typo.
8312 2016-01-14  Richard Henderson  <rth@redhat.com>
8314         PR c/69272
8315         PR tree-opt/68964
8316         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8317         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8318         instead of builtin_decl_declared_p to test for declaration.
8320 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
8322         * doc/loop.texi (Loop Analysis and Representation): Document
8323         loop_depth function.
8325 2016-01-14  Tom de Vries  <tom@codesourcery.com>
8327         PR tree-optimization/68773
8328         * omp-low.c (expand_omp_target): Don't set force_output.
8329         * varpool.c (varpool_node::get_create): Same.
8330         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8331         offload_funcs with force_output.
8333 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8335         PR debug/69244
8336         * lra-eliminations.c (move_plus_up): Don't change anything if either
8337         the outer or inner subreg mode is not MODE_INT.
8338         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8339         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8341 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8343         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8344         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8345         reduc_uplus_@var{m}): Remove.
8346         * expr.c (expand_expr_real_2): Remove expansion path for
8347         reduc_[us](min|max|plus) optabs.
8348         * optabs-tree.c (scalar_reduc_to_vector): Remove.
8349         * optabs-tree.h (scalar_reduc_to_vector): Remove.
8350         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8351         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8352         * tree-vect-loop.c (vectorizable_reduction): Remove test for
8353         reduc_[us](min|max|plus) optabs.
8355 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8357         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8358         (reduc_plus_scal_v2sf): New.
8359         (reduc_smax_v2sf): Rename to...
8360         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8361         (reduc_smin_v2sf): Rename to...
8362         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8364 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
8366         * alias.c (compare_base_symbol_refs): New function.
8367         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8368         it.
8370 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8372         PR middle-end/68146
8373         PR tree-optimization/69155
8374         * tree-complex.c: Include cfganal.h.
8375         (phis_to_revisit): New variable.
8376         (extract_component): Add phiarg_p argument.  Assert that returned
8377         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8378         (update_phi_components): Partly rewrite to use loop over real/imag
8379         components instead of code duplication.  If extract_component returns
8380         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8381         create_tmp_reg into the PHI node instead, and mention the phi triplet
8382         in phis_to_revisit.
8383         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
8384         in phis_to_revisit at the end.
8386 2016-01-14  Richard Biener  <rguenther@suse.de>
8388         PR tree-optimization/68060
8389         * tree-vect-loop.c (vect_is_simple_reduction): Check the
8390         outer loop reduction is only used in the inner loop before
8391         detecting a double reduction.
8393 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8395         PR target/68269
8396         * combine.c (expand_field_assignment): Punt if compute_mode is
8397         unsupported scalar mode.
8399 2016-01-14  Richard Biener  <rguenther@suse.de>
8401         PR tree-optimization/66856
8402         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8403         SLP node only if it built successfully.
8404         (vect_analyze_slp_instance): Adjust.
8406 2016-01-14  Jeff Law  <law@redhat.com>
8408         PR tree-optimization/69270
8409         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8410         (record_edge_info): Use it.  Convert boolean_{true,false}_node
8411         to the type of op0.
8413 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
8415         PR ipa/66487
8416         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8417         use block_ultimate_origin
8418         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8420 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8422         * doc/invoke.texi (Submodel Options): Rename section to
8423         "Machine-Dependent Options" to better reflect its content.
8424         Rewrite introductory text to remove archaic CPU names.
8425         Update references.
8427 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8429         * doc/invoke.texi (Code Gen Options): Move section up in file,
8430         before target-specific options.  Update menu and option summary
8431         to reflect the new section ordering.
8433 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8435         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8436         (C++ Dialect Options): Add cross-reference to -std option.
8437         * doc/standards.texi (C++ Language): Document C++14 support.
8439 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
8441         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8442         for pack/unpack functions for __ibm128.
8443         (PACK_IF): Likewise.
8444         (UNPACK_IF): Likewise.
8446         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8447         support for __ibm128 pack/unpack functions.
8448         (rs6000_invalid_builtin): Likewise.
8449         (rs6000_init_builtins): Likewise.
8450         (rs6000_opt_masks): Likewise.
8452         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8453         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8454         functions
8455         (RS6000_BTM_COMMON): Likewise.
8457         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8458         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8459         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8460         128-bit floating point.  Add support for the double values to be
8461         in Altivec registers for TF/IF packing and unpacking, but restrict
8462         TD packing sub-fields to be FPR registers.  Don't allow overlapped
8463         register support for packing.  Allow pack inputs to be memory
8464         locations.  Don't build generator functions for unpack<mode>_dm
8465         and unpack<mode>_nodm.
8466         (unpack<mode>_dm): Likewise.
8467         (unpack<mode>_nodm): Likewise.
8468         (pack<mode>): Likewise.
8470         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8471         built-in functions to pack/unpack explicit __ibm128 values.
8472         (__builtin_unpack_ibm128): Likewise.
8474         * doc/extend.texi (PowerPC Built-in Functions): Document
8475         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8477 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
8479         PR c/66208
8480         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8481         Add new arg loc and pass it down as context.
8482         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8483         to the location to use for the warning.
8484         (check_function_arguments): New arg loc.  All callers changed.  Pass
8485         it to check_function_nonnull.
8486         * c-common.h (check_function_arguments): Adjust declaration.
8488 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
8490         PR tree-optimization/69156
8491         * gimple.c (validate_type): Removed.
8492         (gimple_builtin_call_types_compatible_p): Use
8493         useless_type_conversion_p instead of validate_type.
8494         * value-prof.c (gimple_stringop_fixed_value): Fold
8495         icall_size to correct type.
8497 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8499         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8500         effects.
8502 2016-01-13  Richard Henderson  <rth@redhat.com>
8504         PR tree-opt/68964
8505         * target.def (builtin_tm_load, builtin_tm_store): Remove.
8506         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8507         (ix86_builtin_tm_store): Remove.
8508         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8509         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8510         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8511         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8512         * doc/tm.texi: Rebuild.
8514         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8515         (BUILT_IN_TM_MEMCPY_RTWN): New.
8516         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8517         fallback from vector to integer helpers.
8518         (build_tm_load): Handle vector types directly, instead of
8519         via target hook.
8520         (build_tm_store): Likewise.
8521         (expand_assign_tm): Prepare for register types not handled by
8522         the above.  Copy them to memory and use memcpy.
8523         * tree.c (tm_define_builtin): New.
8524         (find_tm_vector_type): New.
8525         (build_tm_vector_builtins): New.
8526         (build_common_builtin_nodes): Call it.
8528 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
8530         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8531         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
8533 2016-01-13  Tom de Vries  <tom@codesourcery.com>
8535         PR tree-optimization/69169
8536         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8537         handled_struct_type param.
8538         (create_variable_info_for, intra_create_variable_infos): Call
8539         create_variable_info_for_1 with extra arg.
8541 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
8543         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8544         and "armv8.1-a+crc" entries.
8546 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
8548         PR target/69228
8549         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8550         Change first operand predicate from register_or_constm1_operand
8551         to register_operand.
8552         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8553         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8554         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8555         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8556         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8557         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8558         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8559         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8560         comparison with constm1_rtx from vec_prefetch_gen part.
8562 2016-01-13  Richard Biener  <rguenther@suse.de>
8564         PR tree-optimization/69013
8565         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8566         Exchange assert for a test.
8568 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8570         PR target/69247
8571         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8573 2016-01-13  Richard Biener  <rguenther@suse.de>
8575         PR tree-optimization/69242
8576         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8577         assert with a check.
8579 2016-01-13  Richard Biener  <rguenther@suse.de>
8581         PR tree-optimization/69186
8582         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8583         Properly guard vect_update_misalignment_for_peel call.
8585 2016-01-12  Jeff Law  <law@redhat.com>
8587         PR tree-optimization/pr67755
8588         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8589         "need_profile_correction".
8590         (thread_block_1): Initialize new field to false by default.  If we
8591         have multiple thread paths through a common joiner to different
8592         final targets, then set new field to true.
8593         (compute_path_counts): Only do count adjustment when it's really
8594         needed.
8596 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8598         * doc/invoke.texi (Spec Files): Move section down in file, past
8599         all command-line option descriptions.
8601 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8603         PR middle-end/54809
8604         * doc/gty.texi: Remove documentation of mark_hook.
8605         * gengtype.c (struct write_types_data): Remove code to support
8606         mark_hook attribute.
8607         (walk_type): Likewise.
8608         (write_func_for_structure): Likewise.
8610 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8612         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
8613         Directory Options, and -specs= to Overall Options.
8614         (Overall Options): Adjust similarly.  Reorder to group related
8615         options together.  Make -specs= cross-reference the spec file details.
8616         (Directory Options): Adjust similarly.
8618 2016-01-12  Jeff Law  <law@redhat.com>
8620         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
8622 2016-01-12  Olivier Hainque  <hainque@adacore.com>
8624         * gcc.c (spec_undefvar_allowed): New global.
8625         (process_command): Set to true when running for --version or --help,
8626         alone or together.
8627         (getenv_spec_function): When the variable is not defined, use the
8628         variable name as the variable value if we're allowed not to issue
8629         a fatal error.
8631 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
8633         PR tree-optimization/68911
8634         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
8635         information computed for expression "init + nit * step".
8637 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8639         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
8640         about name of GCC executable.  Remove deleted node from menu.
8641         (Directory Options) <-B>: Remove cross-reference to deleted node.
8642         (Target Options): Delete section.
8644 2016-01-12  Christian Bruel  <christian.bruel@st.com>
8646         PR target/69180
8647         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
8648         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
8650 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
8652         PR target/69198
8653         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
8654         aligned_mem is properly set for AVX512-VL floating point masked
8655         stores.
8657         PR target/69175
8658         * ifcvt.c (cond_exec_process_if_block): When removing the last
8659         insn from then_bb, remove also any possible barriers that follow it.
8661 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
8663         PR target/68456
8664         PR target/69226
8665         * config/i386/iamcu.h (SIZE_TYPE): New macro.
8666         (PTRDIFF_TYPE): Likewise.
8667         (WCHAR_TYPE): Likewise.
8668         (WCHAR_TYPE_SIZE): Likewise.
8669         (STDINT_LONG32): Likewise.
8671 2016-01-12  Richard Biener  <rguenther@suse.de>
8673         PR tree-optimization/69053
8674         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
8675         convert initial value for cond reductions.
8677 2016-01-12  Richard Biener  <rguenther@suse.de>
8679         PR tree-optimization/69007
8680         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
8681         widen_sum after dot_prod and sad.
8683 2016-01-12  Richard Biener  <rguenther@suse.de>
8685         PR tree-optimization/69168
8686         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
8687         pattern stmt SLP type.
8688         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
8689         end up unused so cope with that case.
8691 2016-01-12  Richard Biener  <rguenther@suse.de>
8693         PR tree-optimization/69157
8694         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
8695         stmts def type only during analyze phase.
8696         (vectorizable_call): Likewise.
8697         (vectorizable_simd_clone_call): Likewise.
8698         (vectorizable_conversion): Likewise.
8699         (vectorizable_assignment): Likewise.
8700         (vectorizable_shift): Likewise.
8701         (vectorizable_operation): Likewise.
8702         (vectorizable_store): Likewise.
8703         (vectorizable_load): Likewise.
8705 2016-01-12  Richard Biener  <rguenther@suse.de>
8707         PR tree-optimization/69174
8708         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
8709         space.
8710         (vectorizable_load): Properly compute the number of loads needed
8711         for permuted strided SLP loads and do not spuriously assign
8712         to SLP_TREE_VEC_STMTS.
8714 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
8716         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
8717         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
8718         (MD_EXEC_PREFIX): Remove.
8719         (MD_STARTFILE_PREFIX) Removee.
8720         (FILE_NAME_ABSOLUTE_P): Remove.
8721         (CPP_SPEC): Do not read macros from sys/version.h.
8722         (LINK_COMMAND_SPEC): Remove.
8723         (LOCAL_INCLUDE_DIR): Remove.
8724         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
8725         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
8726         (POST_LINK_SPEC): Define to invoke stubify after linker
8727         (LIBSTDCXX): Remove define
8728         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
8729         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
8730         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
8731         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
8732         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
8733         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
8734         (i386_djgpp_asm_named_section): Add propotype of new procedure
8736         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
8737         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
8738         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
8739         in config/i386/djgpp.h).
8740         (STANDARD_STARTFILE_PREFIX_2): Define identical to
8741         STANDARD_STARTFILE_PREFIX_1.
8742         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
8743         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
8744         installation errors.
8745         (MAX_OFILE_ALIGNMENT): Define to 128.
8746         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
8748         * config/i386/djgpp.c: New file. Add implementation of
8749         i386_djgpp_asm_named_section.
8751         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
8753         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
8754         Add rule for building djgpp.o.
8756 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8758         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
8759         (rtx_is_swappable_p): Reductions are swappable.
8760         (insn_is_swappable_p): V2DF reductions are swappable.
8762 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
8764         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
8765         reloads for other unsupported memory operands.
8767 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8768             Jim Wilson  <jim.wilson@linaro.org>
8770         PR target/69194
8771         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
8772         copy_to_mode_reg instead of force_reg.
8774 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8776         PR target/69225
8777         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
8778         TARGET_80387 is true.
8780 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
8782         PR target/69071
8783         * lra-eliminations.c (move_plus_up): Only move plus up
8784         if subreg of the constant can be simplified into constant
8785         and use the simplified subreg of the constant instead of
8786         the original constant.
8788         * fold-const.c (fold_convertible_p): Don't return true
8789         for conversion of VECTOR_TYPE to same sized integral type.
8790         (fold_convert_loc): Fix up formatting.  Fold conversion of
8791         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
8792         instead of NOP_EXPR.
8794         PR tree-optimization/69214
8795         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
8796         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
8797         Formatting fix.
8799         PR tree-optimization/69207
8800         * tree-vect-slp.c (vect_get_constant_vectors): For
8801         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
8802         fold_convertible_p to vector_type's element type, and always
8803         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
8805 2016-01-11  Richard Biener  <rguenther@suse.de>
8807         PR tree-optimization/69173
8808         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
8809         fixup the cycle if all stmts are in a pattern.
8811 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
8813         PR middle-end/68999
8814         * alias.c (base_alias_check): Move check for addresses with
8815         alignment ANDs before the call for compare_base_decls.
8816         (memrefs_conflict_p): Return -1 for different decls
8817         that went through alignment adjustments.
8819 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8821         PR rtl-optimization/68796
8822         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
8823         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
8824         and QImode comparisons against zero with CC_NZmode.
8825         * config/aarch64/iterators.md (short_mask): New mode_attr.
8827 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8829         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
8830         (<avx512>_store<mode>_mask): Likewise.
8832 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
8833             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8835         PR rtl-optimization/68841
8836         * ifcvt.c (struct noce_if_info): Add orig_x field.
8837         (bbs_ok_for_cmove_arith): Add to_rename parameter.
8838         Don't record conflicts on to_rename if it's present.
8839         Allow memory destinations in sets.
8840         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
8841         blocks, passing orig_x to the checks.
8842         (noce_process_if_block): Set if_info->orig_x appropriately.
8844 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8846         PR tree-optimization/69069
8847         * tree-parloops.c (create_parallel_loop): Add missing phi args.
8849 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
8851         PR rtl-optimization/68920
8852         * config/i386/i386.c (ix86_option_override_internal): Restrict number
8853         of conditional moves for  RTL if-conversion to 1 for
8854         TARGET_ONE_IF_CONV_INSN.
8855         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
8856         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
8857         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
8858         parameter to restirct number of conditional moves for
8859         RTL if-conversion.
8860         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
8861         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
8862         conditionl moves.
8864 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
8866         PR bootstrap/69123
8867         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
8868         onepart vars.  Fix typo in comment.  Fix reversed condition in
8869         unshare test.
8870         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
8872         PR bootstrap/69123
8873         * var-tracking.c (dump_onepart_variable_differences): New.
8874         (dataflow_set_different): If a detailed dump is requested,
8875         delay early returns and dump differences between onepart
8876         variables present before and after, and added variables.
8878 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
8880         PR target/69010
8881         * expr.c (expand_expr_real_1): For boolean vector constants
8882         with a scalar mode use const_scalar_mask_from_tree.
8883         (const_scalar_mask_from_tree): New.
8884         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
8885         assigned to a mask type to handle constants.
8887 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8889         PR ipa/69044
8890         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
8891         useless parameters if we cannot change function signature.
8893 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8895         PR ipa/66616
8896         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
8897         flag.
8899 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8901         PR tree-optimization/69109
8902         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
8903         latch with phi.
8905 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8907         PR tree-optimization/69108
8908         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
8909         res is not used in a phi.
8911 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
8913         PR 67425
8914         * common.opt (frandom-seed): Fix parameter name.
8915         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
8917 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8919         PR tree-optimization/69058
8920         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
8921         not supported.
8923 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
8925         * config/arc/arc.opt (mdiv-rem): Add period to the end.
8926         (mcode-density): Likewise.
8928 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8930         PR tree-optimization/69062
8931         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
8932         (parallelize_loops): Don't paralelize loop that has phi with address
8933         arg.
8935 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8937         PR tree-optimization/69039
8938         * tree-parloops.c (try_create_reduction_list): Only allow single exit
8939         phi for reduction.
8941 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
8943         PR middle-end/68743
8944         * match.pd: Require target has function_c99_misc before doing
8945         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
8947 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
8949         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
8950         use GMPINC.
8951         * configure: Regenerate.
8953 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
8955         PR middle-end/50865
8956         PR tree-optimization/69097
8957         * fold-const.h (expr_not_equal_to): New prototype.
8958         * fold-const.c: Include stringpool.h and tree-ssanames.h.
8959         (expr_not_equal_to): New function.
8960         * match.pd (X % -Y is the same as X % Y): Don't optimize
8961         unless X is known not to be equal to minimum or Y is known
8962         not to be equal to -1.
8963         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
8964         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
8965         (simplify_stmt_using_ranges): Adjust caller.
8966         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
8967         substitute_and_fold.
8969 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
8971         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
8972         w/o DECL_NAME.
8974 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
8976         PR tree-optimization/69167
8977         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
8978         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
8979         ops[0] comparison.
8980         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
8982 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
8983             Richard Biener  <rguenther@suse.de>
8985         PR tree-optimization/68707
8986         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
8987         instances that can be handled via vect_load_lanes.
8989 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
8991         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
8992         if we can't determine address equivalence.
8993         * alias.c (compare_base_decl): Update for changed return value of
8994         symtab_node::equal_address_to.
8996 2016-01-08  Jason Merrill  <jason@redhat.com>
8998         PR c++/68983
8999         PR c++/67557
9000         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9001         * expr.c (store_field): Not here.
9002         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9003         call with TREE_ADDRESSABLE type.
9004         * tree-cfg.c (verify_gimple_call): Adjust.
9006 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9008         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9009         libc_internal.
9011 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9013         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9014         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9015         (reduc_smin_v2sf): Rename to...
9016         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9017         (reduc_splus_v2sf): Rename to...
9018         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9020 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9022         PR tree-optimization/69162
9023         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9024         valist argument in another argument.
9025         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9026         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9027         to determine the va_list type, build a MEM_REF instead of
9028         build_fold_indirect_ref.
9030         PR tree-optimization/69172
9031         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9032         gimple_build.
9034 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9036         PR tree-optimization/67781
9037         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9038         and cmpnop in two steps: first the ones not accessed in original
9039         gimple expression in a endian independent way and then the ones not
9040         accessed in the final result in an endian-specific way.
9042 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9044         PR tree-optimization/69083
9045         * tree-vect-slp.c (vect_get_constant_vectors): For
9046         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9047         element type.  If op is fold_convertible_p to vector_type's element
9048         type, use NOP_EXPR instead of VCE.
9050 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9052         PR rtl-optimization/67778
9053         PR rtl-optimization/68634
9054         PR rtl-optimization/68909
9055         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9056         block from the stack until done with it.  Remove a superfluous
9057         bitmap set.  Remove a superfluous bitmap test.
9059 2016-01-07  Martin Sebor  <msebor@redhat.com>
9061         PR c/68966
9062         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9063         constraint on the type of arguments.
9065 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9067         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9068         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9069         unaligned_access on the gcc_options set.
9070         * config/arm/arm.c (arm_option_override_internal): Use
9071         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9073 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9075         PR target/69140
9076         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9077         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9079 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9081         Revert
9082         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9084         PR target/69140
9085         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9086         depending on frame_pointer_needed before remaining integer and SSE
9087         registers are saved.
9089 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9091         PR 1078
9092         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9094 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9096         PR target/69171
9097         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9098         Use the "xBm" constraint.
9099         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9100         Likewise.
9101         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9102         (sse_cvtsi2ssq<round_name>): Likewise.
9103         (sse_cvtss2si<round_name>): Likewise.
9104         (sse_cvtss2siq<round_name>): Likewise.
9105         (sse2_cvtsi2sdq<round_name>): Likewise.
9106         (sse2_cvtsd2si<round_name>): Likewise.
9107         (sse2_cvtsd2siq<round_name>): Likewise.
9108         * config/i386/subst.md (round_nimm_scalar_predicate): New
9109         predicate.
9111 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9113         PR middle-end/67639
9114         * varasm.c (make_decl_rtl): Mark invalid register vars as
9115         DECL_EXTERNAL.
9117         PR rtl-optimization/66206
9118         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9119         All callers changed.
9121 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9123         PR tree-optimization/69141
9124         * tree-ssa-pre.c: Include langhooks.h.
9125         (eliminate_dom_walker::before_dom_children): Use
9126         lang_hooks.decl_printable_name instead of
9127         cgraph_node::get ()->name ().
9129         PR middle-end/68960
9130         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9131         it and DECL_ALIGN too.
9133 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9135         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9137 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9139         PR target/69140
9140         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9141         depending on frame_pointer_needed before remaining integer and SSE
9142         registers are saved.
9144 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9146         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9147         mode iterator with VSX_M2.
9148         (*p9_vecstore_<mode>): Likewise.
9149         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9150         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9151         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9152         (define_split for VSX_LE128 stores): Likewise.
9153         (define_peephole2 for TImode LE swaps): Likewise.
9154         (define_split for VSX_LE128 post-reload stores): Likewise.
9156 2016-01-06  Marek Polacek  <polacek@redhat.com>
9158         PR sanitizer/69099
9159         * convert.c (convert_to_integer_1): Adjust call to
9160         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9161         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9162         EXPR instead of ARG.
9163         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9165 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9167         PR 1078
9168         * doc/extend.texi (RL78 Variable Attributes): New section.
9170 2016-01-05  Marek Polacek  <polacek@redhat.com>
9172         PR c/69104
9173         * builtins.c (get_memmodel): Use expansion point location rather than
9174         the input location.  Call warning_at rather than warning.
9175         (expand_builtin_atomic_compare_exchange): Likewise.
9176         (expand_builtin_atomic_load): Likewise.
9177         (expand_builtin_atomic_store): Likewise.
9178         (expand_builtin_atomic_clear): Likewise.
9180 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9182         PR target/68991
9183         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9184         Replace nonimmediate_operand with vector_operand.
9185         * config/i386/predicates.md (vector_operand): New predicate.
9186         (general_vector_operand): Replace nonimmediate_operand with
9187         vector_operand.
9188         * config/i386/sse.md: Replace nonimmediate_operand with
9189         vector_operand and m constraint with Bm constraint on SSE
9190         patterns with 16-byte memory operand.
9191         * config/i386/subst.md (round_nimm_predicate): Replace
9192         nonimmediate_operand with vector_operand.
9193         (round_saeonly_nimm_predicate): Likewise.
9194         (round_saeonly_nimm_scalar_predicate): New.
9196 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9198         PR target/68991
9199         * config/i386/constraints.md (Bm): New constraint.
9200         * config/i386/predicates.md (vector_memory_operand): New
9201         predicate.
9202         * config/i386/sse.md: Replace xm with xBm in plusminus and
9203         any_logic patterns.
9205 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9207         PR 1078
9208         * doc/extend.texi (V850 Function Attributes): New section.
9209         (V850 Variable Attributes): New section.
9211 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9213         PR 1078
9214         * doc/extend.texi (MicroBlaze Function Attributes): Document
9215         interrupt_handler and fast_interrupt attributes.
9217 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9219         PR other/60465
9220         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9221         for local symbolic operands.
9222         * config/ia64/predicates.md (local_symbolic_operand64): New
9223         predicate.
9225 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9227         PR rtl-optimization/68651
9228         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9229         x << 1.
9231 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9233         * alias.c (compare_base_decls): Use symtab_node::get.
9235 2016-01-05  Nick Clifton  <nickc@redhat.com>
9237         PR target/68770
9238         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9239         secondary_reload_info structure.
9241         PR target/66655
9242         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9243         decls if weak support is available.
9245 2016-01-04  Martin Sebor  <msebor@redhat.com>
9247         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9249 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9251         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9252         OPTION_MASK_P9_DFORM.
9254         * config/rs6000/constraints.md (wo constraint): New constraint for
9255         ISA 3.0 (power9).
9257         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9258         for wo constraint.
9259         (rs6000_init_hard_regno_mode_ok): Likewise.
9261         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9262         wo constraint.
9264         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9265         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9266         instruction.  Add support for fusing xxlor with xxperm.
9267         (altivec_vperm_<mode>_internal): Likewise.
9268         (altivec_vperm_v8hiv16qi): Likewise.
9269         (altivec_vperm_<mode>v16q): Likewise.
9270         (altivec_vperm_<mode>_uns): Likewise.
9271         (vperm_v8hiv4si): Likewise.
9272         (vperm_v16qiv8hi): Likewise.
9274         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9276 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9278         Update copyright years.
9280         * gcc.c (process_command): Update copyright notice dates.
9281         * gcov-dump.c (print_version): Ditto.
9282         * gcov.c (print_version): Ditto.
9283         * gcov-tool.c (print_version): Ditto.
9284         * gengtype.c (create_file): Ditto.
9285         * doc/cpp.texi: Bump @copying's copyright year.
9286         * doc/cppinternals.texi: Ditto.
9287         * doc/gcc.texi: Ditto.
9288         * doc/gccint.texi: Ditto.
9289         * doc/gcov.texi: Ditto.
9290         * doc/install.texi: Ditto.
9291         * doc/invoke.texi: Ditto.
9293 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9295         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9296         modes larger than TImode as TImode if NEON is not enabled.
9298 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9300         PR target/69100
9301         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9302         mode for %f0-%f31 only if TARGET_FPU.
9304 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9306         PR target/69072
9307         * config/sparc/sparc.c (scan_record_type): Take into account subfields
9308         to compute the PACKED_P predicate.
9309         (function_arg_record_value): Minor tweaks.
9311 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9313         * doc/install.texi (--with-multilib-list): Describe the meaning of the
9314         option for arm*-*-* targets.
9316 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
9318         * doc/extend.texi (Common Function Attributes): Move docs for
9319         MSP430-specific attributes to....
9320         (MSP430 Function Attributes): ...here.  Delete the redundant
9321         entries and copy-edit the remaining text.
9322         (MSP430 Variable Attributes): Use uniform format for index
9323         entries and add a cross-reference to the corresponding function
9324         attribute docs.
9326 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
9328         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9329         -finite-math typo.
9330         (x86 Options): Likewise.
9332 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9334         PR 1078
9336         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9337         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9338         to corresponding attribute.
9340 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9342         * doc/extend.texi (Common Function Attributes) <noplt>: Move
9343         to correct alphabetization of table.  Copy-edit and correct
9344         markup.
9345         <stack_protect>: Likewise.
9346         <target_clones>: Likewise.
9347         <simd>: Likewise.
9348         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9349         Correct punctuation.
9350         (Code Gen Options) <-fno-plt>: Copy-edit.
9352 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9354         PR target/68917
9355         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9356         SI values.  Explicitly convert SI to DI and vice-versa.
9358 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
9360         PR tree-optimization/69070
9361         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9362         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9364         PR sanitizer/69055
9365         * ubsan.c (ubsan_instrument_float_cast): Call
9366         initialize_sanitizer_builtins.
9368         PR target/69015
9369         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9371 Copyright (C) 2016 Free Software Foundation, Inc.
9373 Copying and distribution of this file, with or without modification,
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