Revert the attempted fix for c++/69855, it breaks bootstrap.
[official-gcc.git] / gcc / ChangeLog
blob84655a46bbf391d1032dd948aa0c375084f711ea
1 2016-05-28  Alan Modra  <amodra@gmail.com>
3         PR rtl-optimization/71275
4         * ira.c (ira): Free dominance info.
6 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
8         * doc/sourcebuild.texi: New address for upstream Go repository.
10 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
13         (TARGET_ARM_V7M): Likewise.
15 2016-05-26  Jeff Law  <law@redhat.com>
17         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
18         (thread_across_edge): Remove calls to find_jump_threads_backwards.
19         * passes.def: Add jump threading passes before DOM/VRP.
20         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
21         argument to a basic block from an edge.  Remove tests which are
22         handled elsewhere.
23         (pass_data_thread_jumps, class pass_thread_jumps): New.
24         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
25         (make_pass_thread_jumps): Likewise.
26         * tree-pass.h (make_pass_thread_jumps): Declare.
28 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
30         * config/visium/visium-protos.h (split_double_move): Rename into...
31         (visium_split_double_move): ...this.
32         (visium_split_double_add): Declare.
33         * config/visium/visium.c (split_double_move): Rename into...
34         (visium_split_double_move): ...this.
35         (visium_split_double_add): New function.
36         (visium_expand_copysign): Renumber operands for consistency.
37         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
38         (DFmode move splitter): Likewise.
39         (*addi3_insn): Split by means of visium_split_double_add.
40         (*adddi3_insn_flags): Delete.
41         (*plus_plus_sltu<subst_arith>): New insn.
42         (*subdi3_insn): Split by means of visium_split_double_add.
43         (subdi3_insn_flags): Delete.
44         (*minus_minus_sltu<subst_arith>): New insn.
45         (*negdi2_insn): Split by means of visium_split_double_add.
46         (*negdi2_insn_flags): Delete.
48 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
50         * configure.ac: Treat a --with-headers option without argument
51         the same as the default (i.e. consult sys-include directory).
52         * configure: Regenerate.
54 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
56         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
57         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
58         prototype.
59         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
60         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
62 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
64         PR target/63596
65         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
66         tree-stdarg analysis results.
67         (aarch64_setup_incoming_varargs): Likewise.
69 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
71         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
72         va_list_gpr_counter_field and va_list_fpr_counter_field.
74 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
76         PR67609
77         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
78         * config/aarch64/aarch64.c
79         (aarch64_cannot_change_mode_class): Remove function.
80         * config/aarch64/aarch64-protos.h
81         (aarch64_cannot_change_mode_class): Remove.
83 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
85         * cfgloop.c (record_niter_bound): Record likely upper bounds.
86         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
87         get_likely_max_loop_iterations_int): New.
88         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
89         any_likely_upper_bound.
90         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
91         Declare.
92         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
93         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
94         upper bound.
95         (unroll_loop_constant_iterations): Likewise.
96         (unroll_loop_runtime_iterations): Likewise.
97         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
98         * lto-streamer-out.c (output_cfg): Likewise.
99         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
100         bounds.
101         (canonicalize_loop_induction_variables): Dump likely upper bounds.
102         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
103         (likely_max_loop_iterations): New.
104         (likely_max_loop_iterations_int): New.
105         (likely_max_stmt_executions): New.
106         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
107         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
108         likely_max_stmt_executions): Declare.
110 2016-05-27  Marek Polacek  <polacek@redhat.com>
112         PR middle-end/71308
113         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
115 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
117         * config/s390/s390.md (2x risbg splitters): Use
118         reg_overlap_mentioned_p instead of rtx_equal_p.
120 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
122         * combine.c (make_compound_operation): Take known zero bits into
123         account when checking for possible zero_extend.
125 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
127         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
128         Use const_int_operand for operand 2 predicate.  Simplify expand code
129         as a result.
131 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
133         PR middle-end/71279
134         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
135         into comparison.
137 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
139         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
140         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
141         that returns CC_SESWPmode and CC_ZESWPmode.
142         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
143         and CC_SESWPmode.
144         (aarch64_rtx_costs): Likewise.
146 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
148         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
149         for ISA 3.0 min/max support.
150         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
151         conditional move support.
152         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
153         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
154         available.
155         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
156         conditional moves where the comparison type is different from move
157         type.
158         (fp_minmax): New code iterator for smin/smax.
159         (minmax): New code attributes for min/max.
160         (SMINMAX): Likewise.
161         (smax<mode>3): Combine min, max insns into one insn using the
162         fp_minmax code iterator.  Add support for ISA 3.0 min/max
163         instructions that don't need -ffast-math.
164         (s<minmax><mode>3): Likewise.
165         (smax<mode>3_vsx): Likewise.
166         (smin<mode>3): Likewise.
167         (s<minmax><mode>3_vsx): Likewise.
168         (smin<mode>3_vsx): Likewise.
169         (pre-VSX min/max splitters): Likewise.
170         (s<minmax><mode>3_fpr): Likewise.
171         (movsfcc): Rewrite floating point conditional moves to combine
172         SFmode/DFmode into a single insn.
173         (mov<mode>cc): Likewise.
174         (movdfcc): Likewise.
175         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
176         SFDF2 iterators to handle all combinations.
177         (fseldfsf4): Likewise.
178         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
179         (fseldfdf4): Likewise.
180         (fselsfdf4): Likewise.
181         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
182         comparison instructions that set a 0/-1 mask, and use it for
183         floating point conditional move via XXSEL.
184         (fpmask<mode>): Likewise.
185         (xxsel<mode>): Likewise.
186         * config/rs6000/predicates.md (min_max_operator): Delete, no
187         longer used.
188         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
189         instructions that generate a 0/-1 mask for use with XXSEL.
190         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
191         say whether floating point min/max is available, either through
192         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
193         (TARGET_MINMAX_DF): Likewise.
195 2016-05-27  Alan Modra  <amodra@gmail.com>
197         PR rtl-optimization/71275
198         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
199         for update_equiv_regs and combine_and_move_insns.
201 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
203         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
204         if_then_else or cond RTXes to calculate attribute value.
205         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
206         <attr "length_immediate>: Ditto.
207         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
208         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
209         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
210         <attr "type">: Ditto.
211         <attr "prefix_data16">: Ditto.
212         <attr "prefix_extra">: Ditto.
213         <attr "length_immediate">: Ditto.
214         <attr "prefix">: Ditto.
215         (vec_set<mode>_0) <attr "isa">: Ditto.
216         <attr "prefix_extra">: Ditto.
217         <attr "length_immediate">: Ditto.
218         <attr "prefix">: Ditto.
219         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
220         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
221         (sse2_storelpd) <attr "prefix_data16">: Ditto.
222         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
223         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
224         <attr "length_immediate">: Ditto.
225         <attr "prefix">: Ditto.
226         (sse2_movsd) <attr "length_immediate">: Ditto.
227         <attr "prefix">: Ditto.
228         (vec_concatv2df)  <attr "isa">: Ditto.
229         <attr "prefix">: Ditto.
230         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
231         (*vec_extractv2di_1) <attr "isa">: Ditto.
232         <attr "type">: Ditto.
233         <attr "length_immediate">: Ditto.
234         <attr "prefix_rex">: Ditto.
235         <attr "prefix_extra">: Ditto.
236         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
237         <attr "prefix_extra">: Ditto.
238         <attr "length_immediate">: Ditto.
239         (vec_concatv2di) <attr "isa">: Ditto.
240         <attr "prefix_extra">: Ditto.
241         <attr "length_immediate">: Ditto.
242         <attr "prefix">: Ditto.
244 2016-05-26  Martin Liska  <mliska@suse.cz>
246         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
247         function.
248         (operator+): Likewise.
249         (operator-): Likewise.
250         (comp_cost::operator+=): Likewise.
251         (comp_cost::operator-=): Likewise.
252         (comp_cost::operator/=): Likewise.
253         (comp_cost::operator*=): Likewise.
254         (operator<): Likewise.
255         (operator==): Likewise.
256         (operator<=): Likewise.
257         (new_cost): Remove.
258         (infinite_cost_p): Likewise.
259         (add_costs): Likewise.
260         (sub_costs): Likewise.
261         (compare_costs): Likewise.
262         (set_group_iv_cost): Use the newly introduced functions.
263         (get_address_cost): Likewise.
264         (get_shiftadd_cost): Likewise.
265         (force_expr_to_var_cost): Likewise.
266         (split_address_cost): Likewise.
267         (ptr_difference_cost): Likewise.
268         (difference_cost): Likewise.
269         (get_computation_cost_at): Likewise.
270         (determine_group_iv_cost_generic): Likewise.
271         (determine_group_iv_cost_address): Likewise.
272         (determine_group_iv_cost_cond): Likewise.
273         (autoinc_possible_for_pair): Likewise.
274         (determine_group_iv_costs): Likewise.
275         (cheaper_cost_pair): Likewise.
276         (iv_ca_recount_cost): Likewise.
277         (iv_ca_set_no_cp): Likewise.
278         (iv_ca_set_cp): Likewise.
279         (iv_ca_cost): Likewise.
280         (iv_ca_new): Likewise.
281         (iv_ca_dump): Likewise.
282         (iv_ca_narrow): Likewise.
283         (iv_ca_prune): Likewise.
284         (iv_ca_replace): Likewise.
285         (try_add_cand_for): Likewise.
286         (try_improve_iv_set): Likewise.
287         (find_optimal_iv_set): Likewise.
289 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
291         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
292         that internal functions will clobber all caller-saved registers.
294 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
296         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
297         Return a better case_values_threshold when optimizing.
299 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
301         * config/aarch64/aarch64-simd.md (aarch64_combinez):
302         Add ? to integer variant.
303         (aarch64_combinez_be): Likewise.
305 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
307         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
308         instead of x constraint.
309         (vcvtps2ph256<mask_name>): Likewise.
311         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
312         alternative.  Formatting fix.
314         * config/i386/sse.md
315         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
316         to ...
317         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
318         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
319         maybe_evex prefix instead of vex.
320         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
321         EXT_REX_SSE_REG_P (op0) case in the splitter.
323 2016-05-25  Jeff Law  <law@redhat.com>
325         PR tree-optimization/71272
326         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
327         Update comments.  Add test for empty path.
329 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
331         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
332         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
333         special case builtin.
334         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
335         code for ALTIVEC_BUILTIN_VEC_CMPNE.
336         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
337         for __builtin_vec_cmpne.
339 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
341         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
342         redundant test and bail out if the type of the new operand is not
343         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
345 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
347         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
348         (x_ix86_target_flags_explicit): Remove.
349         * config/i386/i386.c (ix86_function_specific_save): Do not copy
350         x_ix86_target_flags_explicit.
351         (ix86_function_specific_restore): Ditto.
353 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
354             H.J. Lu  <hongjiu.lu@intel.com>
356         PR target/70738
357         * common/config/i386/i386-common.c
358         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
359         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
360         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
361         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
362         (-mgeneral-regs-only): Add new option.
363         * config/i386/i386.c (ix86_option_override_internal): Don't enable
364         x87 instructions if only general registers are allowed.
365         (ix86_target_string): Add ix86_flags argument. Handle additional
366         flags options through ix86_flags argument.  Update all callers.
367         * doc/invoke.texi: Document -mgeneral-regs-only.
369 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
371         PR rtl-optimization/66940
372         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
373         decrementing desired_val will not overflow before performing these
374         operations.
376 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
378         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
379         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
380         * config/i386/i386.c (enum ix86_builtins): Add
381         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
382         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
383         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
384         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
385         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
386         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
387         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
388         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
389         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
390         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
391         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
392         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
393         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
394         __builtin_ia32_cvtps2dq512_mask.
395         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
396         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
397         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
398         * config/i386/sse.md
399         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
400         Rename to ...
401         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
402         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
403         to ...
404         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
405         (avx512f_vec_pack_sfix_v8df): New define_expand.
406         (avx512f_roundpd512): Rename to ...
407         (avx512f_round<castmode>512): ... this.  Change iterator.
408         (avx512f_roundps512_sfix): New define_expand.
409         (round<mode>2_sfix): Change iterator.
411 2016-05-25  Nick Clifton  <nickc@redhat.com>
413         * config/msp430/msp430.c (msp430_attr): Produce an error if a
414         static interrupt handler is detected.
415         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
416         default linker script.
417         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
418         the low part of a symbolic pointer.
420 2016-05-25  Richard Biener  <rguenther@suse.de>
422         PR tree-optimization/71261
423         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
424         interesting stmt instead of immediate uses when looking
425         for the use operand to replace.
427 2016-05-25  Martin Liska  <mliska@suse.cz>
429         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
431 2016-05-25  Richard Biener  <rguenther@suse.de>
433         PR tree-optimization/71264
434         * tree-vect-stmts.c (vect_init_vector): Properly deal with
435         vector type val.
437 2016-05-25  Martin Liska  <mliska@suse.cz>
439         PR tree-optimization/71239
440         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
441         if DECL_SIZE is NULL.
443 2016-05-25  Richard Biener  <rguenther@suse.de>
445         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
446         * tree-if-conv.c (pass_data_if_conversion): Use it.
448 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
450         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
451         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
452         * varpool.c (varpool_node::get_availability): Likewise.
454 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
456         * config/rs6000/altivec.md (VNEG iterator): New iterator for
457         VNEGW/VNEGD instructions.
458         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
459         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
460         support for ISA 3.0 VNEGW/VNEGD instructions.
462 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
464         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
465         pointers inside OACC_DATA regions.
466         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
467         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
468         (gimplify_adjust_omp_clauses): Fix typo in comment.
470 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
472         * config/rs6000/altivec.md (VParity): New mode iterator for vector
473         parity built-in functions.
474         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
475         zeros.
476         (p9v_parity<mode>2): Likewise.
477         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
478         parity.
479         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
480         (parity<mode>2): ISA 3.0 expander for vector parity.
481         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
482         power9 built-ins.
483         (BU_P9_64BIT_MISC_0): Likewise.
484         (BU_P9_MISC_0): Likewise.
485         (BU_P9V_AV_1): Likewise.
486         (BU_P9V_AV_2): Likewise.
487         (BU_P9V_AV_3): Likewise.
488         (BU_P9V_AV_P): Likewise.
489         (BU_P9V_VSX_1): Likewise.
490         (BU_P9V_OVERLOAD_1): Likewise.
491         (BU_P9V_OVERLOAD_2): Likewise.
492         (BU_P9V_OVERLOAD_3): Likewise.
493         (VCTZB): Add vector count trailing zeros support.
494         (VCTZH): Likewise.
495         (VCTZW): Likewise.
496         (VCTZD): Likewise.
497         (VPRTYBD): Add vector parity support.
498         (VPRTYBQ): Likewise.
499         (VPRTYBW): Likewise.
500         (VCTZ): Add overloaded vector count trailing zeros support.
501         (VPRTYB): Add overloaded vector parity support.
502         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
503         overloaded vector count trailing zeros and parity instructions.
504         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
505         vector parity support.
506         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
507         trailing zeros support.
508         (vec_cntlz): Likewise.
509         (vec_vctzb): Likewise.
510         (vec_vctzd): Likewise.
511         (vec_vctzh): Likewise.
512         (vec_vctzw): Likewise.
513         (vec_vprtyb): Add ISA 3.0 vector parity support.
514         (vec_vprtybd): Likewise.
515         (vec_vprtybw): Likewise.
516         (vec_vprtybq): Likewise.
517         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
518         the ISA 3.0 vector count trailing zeros and vector parity built-in
519         functions.
521 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
523         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
524         when there is stmt_to_insert.
526 2016-05-24  Martin Sebor  <msebor@redhat.com>
528         PR c++/71147
529         * tree.h (complete_or_array_type_p): New inline function.
531 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
533         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
534         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
535         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
537         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
538         Limit 1st alternative to noavx isa, split 2nd alternative into one
539         noavx and one avx alternative, use *x and Bm in the former and
540         x and m in the latter.
542         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
543         of sse4 for the first alternative, drop %v from the template
544         and d operand modifier.  Split second alternative into one sse4_noavx
545         and one avx alternative, use *x instead of *v in the former and v
546         instead of *v in the latter.
547         (*sse4_1_extractps): Use noavx isa instead of * for the first
548         alternative, drop %v from the template.  Split second alternative into
549         one noavx and one avx alternative, use *x instead of *v in the
550         former and v instead of *v in the latter.
551         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
552         with noavx and the last one with avx.
553         (sse4_1_phminposuw): Guard first alternative with noavx isa,
554         split the second one into one noavx and one avx alternative,
555         use *x and Bm in the former and x and m in the latter one.
556         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
557         alternatives.
559         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
560         first two alternatives to noavx, use *x instead of *v in the second
561         one, add avx alternative without *.
562         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
563         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
564         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
566 2016-05-24  Jeff Law  <law@redhat.com>
568         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
569         New function, extracted from...
570         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
571         Allow simple copies and constant initializations in the SSA chain.
573 2016-05-24  Marek Polacek  <polacek@redhat.com>
575         PR c/71249
576         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
577         scope.
579 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
581         PR c++/71257
582         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
583         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
584         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
585         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
586         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
588 2016-05-24  Richard Biener  <rguenther@suse.de>
590         PR tree-optimization/71240
591         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
592         has integral type.
594 2016-05-24  Richard Biener  <rguenther@suse.de>
596         PR tree-optimization/71230
597         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
599 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
601         * tree-vectorizer.h (vectorizable_comparison): Delete.
602         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
603         PURE_SLP_STMT check.
604         * tree-vect-stmts.c (vectorizable_call): Likewise.
605         (vectorizable_simd_clone_call): Likewise.
606         (vectorizable_conversion): Likewise.
607         (vectorizable_assignment): Likewise.
608         (vectorizable_shift): Likewise.
609         (vectorizable_operation): Likewise.
610         (vectorizable_load): Likewise.
611         (vectorizable_condition): Likewise.
612         (vectorizable_store): Likewise.  Assert that we don't have
613         hybrid SLP.
614         (vectorizable_comparison): Make static.  Remove redundant
615         PURE_SLP_STMT check.
616         (vect_transform_stmt): Assert that we always have an slp_node
617         if PURE_SLP_STMT.
619 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
621         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
622         operands[2] against 1 with comparison against CONST1_RTX.
623         (<shift>di3_neon): Likewise.
624         * config/arm/predicates.md (const0_operand): Replace with comparison
625         against CONST0_RTX.
627 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
629         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
630         operands[2] against 1 with comparison against CONST1_RTX.
631         (ashrdi3): Likewise.
632         (lshrdi3): Likewise.
633         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
634         UINTVAL.
635         (ashrsi3): Likewise.
636         (lshrsi3): Likewise.
637         (rotrsi3): Likewise.
638         (define_split above *compareqi_eq0): Likewise.
639         (define_split above "prologue"): Likewise.
640         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
641         * config/arm/predicates.md (shift_operator): Likewise.
642         (shift_nomul_operator): Likewise.
643         (sat_shift_operator): Likewise.
644         (thumb1_cmp_operand): Likewise.
645         (const_neon_scalar_shift_amount_operand): Replace manual range
646         check with IN_RANGE.
647         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
648         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
650 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
652         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
653         with HOST_WIDE_INT_1.
654         (insv): Likewise.
655         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
656         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
657         (arm_canonicalize_comparison): Likewise.
658         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
659         HOST_WIDE_INT_1.
660         (thumb1_size_rtx_costs): Likewise.
661         (vfp_const_double_index): Replace cast of 1 to unsigned
662         HOST_WIDE_INT with HOST_WIDE_INT_1U.
663         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
664         HOST_WIDE_INT_1.
665         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
666         HOST_WIDE_INT with HOST_WIDE_INT_1U.
667         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
668         HOST_WIDE_INT with HOST_WIDE_INT_1.
670 2016-05-24  Marek Polacek  <polacek@redhat.com>
672         * tree-cfg.h (should_remove_lhs_p): New predicate.
673         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
674         * gimplify.c (gimplify_modify_expr): Likewise.
675         * tree-cfg.c (verify_gimple_call): Likewise.
676         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
677         * gimple-fold.c: Include "tree-cfg.h".
678         (gimple_fold_call): Use should_remove_lhs_p.
680 2016-05-24  Richard Biener  <rguenther@suse.de>
682         PR tree-optimization/71253
683         * cfganal.h (control_dependences): Make robust against edge
684         and BB removal.
685         (control_dependences::control_dependences): Remove edge_list argument.
686         (control_dependences::get_edge): Remove.
687         (control_dependences::get_edge_src): Add.
688         (control_dependences::get_edge_dest): Likewise.
689         (control_dependences::m_el): Make a vector of edge src/dest index.
690         * cfganal.c (control_dependences::find_control_dependence): Adjust.
691         (control_dependences::control_dependences): Likewise.
692         (control_dependences::~control_dependence): Likewise.
693         (control_dependences::get_edge): Remove.
694         (control_dependences::get_edge_src): Add.
695         (control_dependences::get_edge_dest): Likewise.
696         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
697         get_edge_src.
698         (perform_tree_ssa_dce): Adjust.
699         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
700         get_edge_src.
701         (pass_loop_distribution::execute): Adjust.  Do loop destroying
702         conditional on changed.
704 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
706         PR target/69857
707         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
708         return.  Reindent transformation comment and mention the ARM state
709         behavior.
711 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
713         PR middle-end/71252
714         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
715         after build_and_add_sum creates new use stmt.
717 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
719         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
720         load_lanes/grouped_load classification comes first.  Don't check
721         whether the vectorization factor is a multiple of the group size
722         for load_lanes.
724 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
726         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
727         GROUP_GAP for single-element interleaving.
728         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
729         variable.
731 2016-05-24  Richard Biener  <rguenther@suse.de>
733         PR middle-end/70434
734         PR c/69504
735         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
736         bases which are accessed with non-invariant indices.
737         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
738         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
740 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
742         PR middle-end/71170
743         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
744         (add_to_ops_vec): Add stmt_to_insert.
745         (add_repeat_to_ops_vec): Init stmt_to_insert.
746         (insert_stmt_before_use): New.
747         (transform_add_to_multiply): Remove mult_stmt insertion and add it
748         to ops vector.
749         (get_ops): Init stmt_to_insert.
750         (maybe_optimize_range_tests): Likewise.
751         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
752         (rewrite_expr_tree_parallel): Likewise.
753         (reassociate_bb): Likewise.
755 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
757         PR target/71201
758         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
759         ISA 3.0 xxperm fusion alternative.
760         (altivec_vperm_v8hiv16qi): Likewise.
761         (altivec_vperm_<mode>_uns_internal): Likewise.
762         (vperm_v8hiv4si): Likewise.
763         (vperm_v16qiv8hi): Likewise.
765 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
766             Kelvin Nilsen  <kelvin@gcc.gnu.org>
768         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
769         vpermr/xxpermr on ISA 3.0.
770         (altivec_expand_vec_perm_le): Likewise.
771         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
772         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
773         ISA 3.0.
775 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
777         * config/i386/i386.h (IS_STACK_MODE): Enable for
778         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
779         SSE_FLOAT_MODE_P macros.
780         * config/i386/i386.c (ix86_preferred_reload_class): Use
781         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
782         Cleanup regclass processing for CONST_DOUBLE_P.
783         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
784         (ix86_rtx_costs): Remove redundant TARGET_80387 check
785         with IS_STACK_MODE macro.
786         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
787         with TARGET_SSE2.
788         (*movdf_internal): Use IS_STACK_MODE macro.
789         (*movsf_internal): Ditto.
791 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
793         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
794         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
796 2016-05-23  Jeff Law  <law@redhat.com>
798         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
799         extracted from ...
800         (fsm_find_control_statement_thread_paths): Call it.
802 2016-05-23  Martin Jambor  <mjambor@suse.cz>
804         PR ipa/71234
805         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
806         from_global_constant if t is not NULL.
808 2016-05-23  Marek Polacek  <polacek@redhat.com>
810         PR c/49859
811         * common.opt (Wswitch-unreachable): New option.
812         * doc/invoke.texi: Document -Wswitch-unreachable.
813         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
814         warning.
816 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
818         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
819         TMR_INDEX is non-NULL.
821 2016-05-23  Richard Biener  <rguenther@suse.de>
823         PR tree-optimization/71230
824         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
825         (try_special_add_to_ops): ... here.  Always test for single-use.
827 2016-05-23  Martin Jambor  <mjambor@suse.cz>
829         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
830         default block if a PHI node in the original one would be resized.
832 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
834         PR tree-optimization/58135
835         * tree-vect-slp.c: When group size is not multiple
836         of vector size, allow splitting of store group at
837         vector boundary.
839 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
841         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
843 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
845         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
846         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
847         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
848         of 64x2.
850         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
851         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
852         v constraint instead of x and vinserti32x4 insn.
854         * config/i386/sse.md (i128vldq): New mode iterator.
855         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
856         avx512dq and avx512vl alternatives.
858         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
859         constraint, use maybe_evex prefix instead of vex.
860         (vec_dupv4sf): Use v constraint instead of x for output
861         operand except for noavx alternative, use Yv constraint
862         instead of x for input.  Use maybe_evex prefix instead of vex.
863         (*vec_dupv4si): Likewise.
864         (*vec_dupv2di): Likewise.
866 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
868         PR middle-end/40921
869         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
870         (linearize_expr_tree): Call try_special_add_to_ops.
871         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
873 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
875         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
876         to computed stack_usage.
878 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
880         PR target/71103
881         * config/avr/avr.md (define_expand "mov<mode>"): If the source
882         operand is subreg (symbol_ref) then move the symbol ref to register.
884 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
886         * tree.c (array_at_struct_end_p): Look through MEM_REF.
888 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
890         PR middle-end/71179
891         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
892         VECTOR type.
894 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
896         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
897         ranges by calling get_single_symbol and tidy up.  Look more closely
898         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
900 2016-05-20  Jeff Law  <law@redhat.com>
902         * bitmap.c (bitmap_find_bit): Remove useless test.
904 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
906         * function.c (thread_prologue_and_epilogue_insns): Commit the
907         insertion of the epilogue.
909 2016-05-20  Martin Jambor  <mjambor@suse.cz>
911         PR tree-optimization/70884
912         * tree-sra.c (initialize_constant_pool_replacements): Do not check
913         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
914         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
915         of constant pool data as a reason for scalarization.
917 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
919         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
920         for naked functions.
921         (thumb1_expand_prologue): Likewise.
923 2016-05-20  Nathan Sidwell  <nathan@acm.org>
925         * config/nvptx/nptx.c (nvptx_option_override): Only set
926         flag_toplevel_reorder, if not explicitly specified.  Set
927         flag_no_common, unless explicitly specified.
929 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
931         * calls.c (can_implement_as_sibling_call_p): Mark param
932         reg_parm_stack_space with ATTRIBUTE_UNUSED.
934 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
936         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
937         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
938         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
939         constants.
940         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
941         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
942         and CASE_CONST_ANY.
944 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
946         * config/nvptx/nvptx.md (sincossf3): New pattern.
948 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
950         * calls.c (maybe_complain_about_tail_call): New function.
951         (initialize_argument_information): Call
952         maybe_complain_about_tail_call when clearing *may_tailcall.
953         (can_implement_as_sibling_call_p): Call
954         maybe_complain_about_tail_call when returning false.
955         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
956         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
957         if tail-call optimization fails.
958         * cfgexpand.c (expand_call_stmt): Initialize
959         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
960         * gimple-pretty-print.c (dump_gimple_call): Dump
961         gimple_call_must_tail_p.
962         * gimple.c (gimple_build_call_from_tree): Call
963         gimple_call_set_must_tail with the value of
964         CALL_EXPR_MUST_TAIL_CALL.
965         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
966         (gimple_call_set_must_tail): New function.
967         (gimple_call_must_tail_p): New function.
968         * print-tree.c (print_node): Update printing of TREE_STATIC
969         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
970         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
971         trailing comment listing applicable flags.
972         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
974 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
976         * calls.c (expand_call): Move "Rest of purposes for tail call
977         optimizations to fail" to...
978         (can_implement_as_sibling_call_p): ...this new function, and
979         split into multiple "if" statements.
981 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
983         * cfgloop.h (expected_loop_iterations_unbounded,
984         expected_loop_iterations): Unconstify.
985         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
986         profile with known upper bound; return 3 when profile is absent.
987         (expected_loop_iterations): Update.
989 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
991         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
992         and get_max_loop_iterations_int.
994 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
996         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
997         realistic upper bounds here.
999 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1001         PR c++/71210
1002         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1003         calls if the LHS is variable length or has addressable type.
1004         If targets[0]->decl is a noreturn call with void return type and
1005         zero arguments, adjust fntype and remove lhs in that case.
1007 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1009         PR tree-optimization/71079
1010         PR tree-optimization/71206
1011         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1013 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1015         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1016         (get_vec_alignment_for_array_decl): Likewise.
1017         (get_vec_alignment_for_record_decl): Likewise.
1018         (increase_alignment::execute): Move code to find alignment to
1019         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1020         (type_align_map): New hash_map.
1022 2016-05-20  Richard Guenther  <rguenther@suse.de>
1024         PR tree-optimization/29756
1025         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1026         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1027         * fold-const.c (operand_equal_p): Likewise.
1028         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1029         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1030         * tree-inline.c (estimate_operator_cost): Likewise.
1031         * tree-pretty-print.c (dump_generic_node): Likewise.
1032         * tree-ssa-operands.c (get_expr_operands): Likewise.
1033         * cfgexpand.c (expand_debug_expr): Likewise.
1034         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1035         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1036         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1037         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1038         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1039         (execute_update_addresses_taken): Do it.
1041 2016-05-20  Richard Biener  <rguenther@suse.de>
1043         PR tree-optimization/71185
1044         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1045         register operations.
1047 2016-05-20  Richard Biener  <rguenther@suse.de>
1049         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1050         gimple_seq_add_seq_without_update.
1051         (release_bb_predicate): Assert we have no operands to free.
1052         (if_convertible_loop_p_1): Calculate post dominators later.
1053         Do not free BB predicates here.
1054         (combine_blocks): Do not recompute BB predicates.
1055         (version_loop_for_if_conversion): Save BB predicates around
1056         loop versioning.
1058 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1060         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1061         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1062         code.  Ignore sibcalls on EDGE_IGNORE edges.
1063         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1064         on edges for sibcalls that run without prologue.  The rest of the
1065         function is combined from...
1066         (fix_fake_fallthrough_edge): ... this, and ...
1067         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1068         function argument, make it a local variable.
1070 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1072         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1073         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1074         for 32-bit mode and SEH for 64-bit.
1075         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1076         TARGET_64BIT_DEFAULT.
1078 2016-05-19  Ryan Burn  <contact@rnburn.com>
1080         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1081         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1083 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1085         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1086         force pending loads from memory.
1088 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1090         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1091         (UNSPEC_DARN_32): New unspec constant.
1092         (UNSPEC_DARN_RAW): New unspec constant.
1093         (darn_32): New instruction.
1094         (darn_raw): New instruction.
1095         (darn): New instruction.
1096         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1097         support and documentation for this macro.
1098         (BU_P9_MISC_1): New macro definition.
1099         (BU_P9_64BIT_MISC_0): New macro definition.
1100         (BU_P9_MISC_0): New macro definition.
1101         (darn_32): New builtin definition.
1102         (darn_raw): New builtin definition.
1103         (darn): New builtin definition.
1104         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1105         RS6000_BUILTIN_0 directives to surround each occurrence of
1106         #include "rs6000-builtin.def".
1107         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1108         RS6000_BTM_64BIT flags to the returned mask, depending on
1109         configuration.
1110         (def_builtin): Correct an error in the assignments made to the
1111         debugging variable attr_string.
1112         (rs6000_expand_builtin): Add support for no-operand built-in
1113         functions.
1114         (builtin_function_type): Remove fatal_error assertion that is no
1115         longer valid.
1116         (rs6000_common_init_builtins): Add support for no-operand built-in
1117         functions.
1118         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1119         definition.
1120         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1121         definition.
1122         (RS6000_BTM_64BIT): New macro definition.
1123         * doc/extend.texi: Document __builtin_darn (void),
1124         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1125         functions.
1127 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1129         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1130         max_loop_iterations_int.
1132 2016-05-19  Marek Polacek  <polacek@redhat.com>
1134         PR tree-optimization/71031
1135         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1136         condition and adjust the code a bit.
1138 2016-05-19  Martin Liska  <mliska@suse.cz>
1140         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1141         auto_vec instead of vec.
1143 2016-05-19  Martin Liska  <mliska@suse.cz>
1145         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1147 2016-05-19  Martin Liska  <mliska@suse.cz>
1149         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1151 2016-05-19  Martin Liska  <mliska@suse.cz>
1153         * ipa-pure-const.c (set_function_state): Remove an existing
1154         funct_state.
1155         (remove_node_data): Do not free it as it's released
1156         in set_function_state.
1158 2016-05-19  Martin Liska  <mliska@suse.cz>
1160         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1161         bitmap.
1163 2016-05-19  Martin Liska  <mliska@suse.cz>
1165         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1167 2016-05-19  Martin Liska  <mliska@suse.cz>
1169         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1170         an auto_vec instead of re-creating it.
1172 2016-05-19  Martin Liska  <mliska@suse.cz>
1174         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1175         auto_vec instead of vec.
1177 2016-05-19  Martin Liska  <mliska@suse.cz>
1179         * lto-section-in.c (lto_get_section_data): Call
1180         lto_check_version with additional argument.
1181         * lto-streamer.c (lto_check_version): Add new argument.
1182         * lto-streamer.h (lto_check_version): Likewise.
1184 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1186         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1187         Don't add cost of inner memory when handling sign-extended loads.
1189 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1191         PR rtl-optimization/71148
1192         * cse.c (cse_main): Free dominance info.
1193         (rest_of_handle_cse): Don't free dominance info.
1194         (rest_of_handle_cse2): Likewise.
1195         (rest_of_handle_cse_after_global_opts): Likewise.
1197 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1199         PR target/71056
1200         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1201         NULL_TREE early if NEON is not available.  Remove now redundant check
1202         in ARM_CHECK_BUILTIN_MODE.
1204 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1206         PR sanitizer/64354
1207         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1208         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1209         * doc/cpp.texi: Document new macros.
1211 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1213         PR tree-optimization/69848
1214         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1215         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1217 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1219         * function.c (thread_prologue_and_epilogue_insn): Move the
1220         "goto epilogue_done" one block later.
1222 2016-05-19  Richard Biener  <rguenther@suse.de>
1224         PR tree-optimization/70729
1225         * passes.def: Move LIM pass before PRE.  Remove no longer
1226         required copyprop and move first DCE out of the loop pipeline.
1228 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1230         PR driver/69265
1231         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1232         (OBJS-libcommon-target): ...here.
1233         * opts-common.c: Include spellcheck.h.
1234         (cmdline_handle_error): Build a vec of valid options and use it
1235         to suggest provide hints for misspelled arguments.
1237 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1239         PR c++/71100
1240         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1241         lhs if it has TREE_ADDRESSABLE type.
1243 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1245         PR target/71145
1246         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1247         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1249 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1251         PR ipa/69708
1252         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1253         input for NOP_EXPR pass-through functions.
1254         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1255         aggregate global constant VAR_DECLs in constant jump functions.
1257 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1259         PR ipa/69708
1260         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1261         from TREE_READONLY parameters.
1263 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1265         PR ipa/69708
1266         * cgraph.h (cgraph_indirect_call_info): New field
1267         guaranteed_unmodified.
1268         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1269         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1270         appropriate.
1271         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1272         pass the parameter value to ipa_find_agg_cst_for_param.
1273         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1274         guaranteed_unmodified, store AA results there instead of bailing out
1275         if present.
1276         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1277         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1278         (find_constructor_constant_at_offset): New function.
1279         (ipa_find_agg_cst_from_init): Likewise.
1280         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1281         static initializers of contants, report back through a new paameter
1282         from_global_constant if that was the case.
1283         (try_make_edge_direct_simple_call): Also pass parameter value to
1284         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1285         appropriate.
1286         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1287         (ipa_read_indirect_edge_info): Likewise.
1288         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1289         (ipa_load_from_parm_agg): Likewise.
1291 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1293         PR rtl-optimization/71150
1294         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1295         check.
1297 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1299         PR target/70915
1300         * config/rs6000/constraints.md (wE constraint): New constraint
1301         for a vector constant that can be loaded with XXSPLTIB.
1302         (wM constraint): New constraint for a vector constant of a 1's.
1303         (wS constraint): New constraint for a vector constant that can be
1304         loaded with XXSPLTIB and a vector sign extend instruction.
1305         * config/rs6000/predicates.md (xxspltib_constant_split): New
1306         predicates for wE/wS constraints.
1307         (xxspltib_constant_nosplit): Likewise.
1308         (easy_vector_constant): Add support for constants that can be
1309         loaded via XXSPLTIB.
1310         (all_ones_constant): New predicate for vector constant with all
1311         1's set.
1312         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1313         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1314         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1315         instruction and possibly with a sign extension.
1316         (output_vec_const_move): Add support for XXSPLTIB. If we are
1317         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1318         instead of XXLXOR/XXLORC.
1319         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1320         operations.
1321         (rs6000_legitimize_reload_address): Likewise.
1322         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1323         constants.
1324         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1325         combine VSX_M and VSX_M2 into one iterator.
1326         (VSX_M2): Likewise.
1327         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1328         (VSINT_842): Likewise.
1329         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1330         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1331         XXSPLTIB instruction.
1332         (xxspltib_<mode>_nosplit): Likewise.
1333         (xxspltib_<mode>_split): New insn to load up constants with
1334         XXSPLTIB and a sign extend instruction.
1335         (vsx_mov<mode>): Replace single move that handled all vector types
1336         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1337         moves (when -mvsx-timode is in effect) into the main vector
1338         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1339         preferred register class (<VSr>) is listed first, and the
1340         secondary register class (<VSa>) is listed second with a '?' to
1341         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1342         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1343         that if the register was involved in a slow operation, the
1344         clear/set operation does not wait for the slow operation to
1345         finish.  Adjust the length attributes for 32-bit mode.  Use
1346         rs6000_output_move_128bit and drop the use of the string
1347         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1348         spacing so that the alternatives and attributes don't generate
1349         long lines, and put things in columns, so that it is easier to
1350         match up the operands and attributes with the insn alternatives.
1351         (vsx_mov<mode>_64bit): Likewise.
1352         (vsx_mov<mode>_32bit): Likewise.
1353         (vsx_movti_64bit): Fold movti into normal vector moves.
1354         (vsx_movti_32bit): Likewise.
1355         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1356         splat instructions.
1357         (vsx_splat_v4si_internal): Likewise.
1358         (vsx_splat_v4sf_internal): Likewise.
1359         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1360         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1361         extend vector elements.
1362         (vsx_sign_extend_hi_<mode>): Likewise.
1363         (vsx_sign_extend_si_v2di): Likewise.
1364         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1365         declaration.
1366         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1367         constraints.  Add trailing period to wL documentation.
1369 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1371         PR middle-end/71020
1372         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1373         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1374         * tree-call-cdce.c: Include tree-dfa.h.
1375         (can_guard_call_p): New function, extracted from...
1376         (can_use_internal_fn): ...here.
1377         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1378         and return void.
1379         (shrink_wrap_one_built_in_call): Likewise.
1380         (use_internal_fn): Likewise.
1381         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1382         and return void.  Call replace_abnormal_ssa_names.
1383         (pass_call_cdce::execute): Check can_guard_call_p during the
1384         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1385         will always change something.
1387 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1389         PR ipa/70646
1390         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1391         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1393 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1395         PR ipa/70646
1396         * ipa-inline.h (condition): New field size.
1397         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1398         for comaprison and store it into the new condition.
1399         (evaluate_conditions_for_known_args): Use condition size to check
1400         access sizes for all but CHANGED conditions.
1401         (unmodified_parm_1): New parameter size_p, store access size into it.
1402         (unmodified_parm): Likewise.
1403         (unmodified_parm_or_parm_agg_item): Likewise.
1404         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1405         (set_cond_stmt_execution_predicate): Extract access sizes and store
1406         them to conditions.
1407         (set_switch_stmt_execution_predicate): Likewise.
1408         (will_be_nonconstant_expr_predicate): Likewise.
1409         (will_be_nonconstant_predicate): Likewise.
1410         (inline_read_section): Stream condition size.
1411         (inline_write_summary): Likewise.
1413 2016-05-18  Richard Biener  <rguenther@suse.de>
1415         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1416         condition cost to PHI cost instead of total_cost.
1418 2016-05-18  Martin Liska  <mliska@suse.cz>
1420         PR fortran/70856
1421         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1422         merged variables.
1424 2016-05-18  Richard Biener  <rguenther@suse.de>
1426         * lto-streamer.h (LTO_major_version): Bump to 6.
1428 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1430         * function.c (make_split_prologue_seq, make_prologue_seq,
1431         make_epilogue_seq): New functions, factored out from...
1432         (thread_prologue_and_epilogue_insns): Here.
1434 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1436         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1437         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1438         of before.  Add a comment.
1440 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1442         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1443         expression pointer, not pointer to the pointer.
1445 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1447         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1448         (avx2_pbroadcast<mode>): Add another alternative with v instead
1449         of x constraints in it, using <pbroadcast_evex_isa> isa.
1450         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1452         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1453         constraint x instead of v in second alternative, add avx512bw
1454         alternative.
1456         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1457         constraint x instead of v in second alternative, add avx512bw
1458         alternative.
1460         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1461         constraint x instead of v in second alternative, add avx512bw
1462         alternative.
1464         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1465         avx512bw alternative.
1467 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1469         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1470         array to 128 chars.
1471         (define_insn "*andnottf3"): Ditto.
1472         (define_insn "*<code><mode>3"/any_logic): Ditto.
1473         (define_insn "*<code>tf3"/any_logic): Ditto.
1474         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1475         operand to block AVX-512VL insn variant emit when it is not enabled.
1477 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1479         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1480         constraint fot SF mode.
1482 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1483             Kirill Yukhin  <kirill.yukhin@intel.com>
1485         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1486         modifiers.
1487         (define_insn "rsqrt14<mode>"): Ditto.
1488         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1489         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1490         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1491         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1492         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1493         Ditto.
1494         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1495         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1496         * config/i386/i386.c (ix86_print_operand): Expand check for size
1497         override codes for Intel syntax.
1499 2016-05-18  Richard Biener  <rguenther@suse.de>
1501         PR tree-optimization/71168
1502         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1503         initialization earlier.
1505 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1507         * config/aarch64/aarch64-simd.md
1508         (aarch64_reduc_plus_internal<mode>): Rename to...
1509         (reduc_plus_scal): ...This, and remove previous implementation.
1511 2016-05-18  Richard Biener  <rguenther@suse.de>
1513         * passes.def: Put late dse and cd_dce in canonical order.
1515 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1517         * ipa-inline-transform.c (preserve_function_body_p): Look for
1518         first non-thunk clone.
1519         (save_function_body): Save into first non-thunk.
1520         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1521         up call stmt id.
1522         (lto_output_node): Inline thunks don't need body in every
1523         partition.
1524         * lto-streamer-in.c: Do not fixup thunk clones.
1525         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1526         thunks.
1527         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1528         folding suceeds.
1530 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1532         PR middle-end/63586
1533         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1534         (reassociate_bb): Call transform_add_to_multiply.
1536 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1538         * config/aarch64/aarch64.c (all_extensions): Removed unused
1539         static variable.
1541 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1543         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1544         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1546 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1548         PR tree-optimization/54579
1549         PR middle-end/55299
1550         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1552 2016-05-17  Marek Polacek  <polacek@redhat.com>
1554         PR ipa/71146
1555         * tree-inline.c (expand_call_inline): Call
1556         maybe_remove_unused_call_args.
1558 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1560         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1561         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1562         * doc/md.texi (fmin@var{m}3): Likewise.
1564 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1566         * match.pd (X & C): New transformation.
1568 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1570         * match.pd (~X & Y): New transformation.
1572 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1574         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1575         information for new SSA_NAME.
1576         (simplify_conversion_using_ranges): Get range through get_range_info
1577         instead of get_value_range.
1579 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1581         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1582         Remove inline assembly.
1583         (vmvn_s16): Likewise.
1584         (vmvn_s32): Likewise.
1585         (vmvn_u8): Likewise.
1586         (vmvn_u16): Likewise.
1587         (vmvn_u32): Likewise.
1588         (vmvnq_s8): Likewise.
1589         (vmvnq_s16): Likewise.
1590         (vmvnq_s32): Likewise.
1591         (vmvnq_u8): Likewise.
1592         (vmvnq_u16): Likewise.
1593         (vmvnq_u32): Likewise.
1594         (vmvn_p8): Likewise.
1595         (vmvnq_p16): Likewise.
1597 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1599         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1600         Use builtin.
1601         (vmul_n_s16): Likewise.
1602         (vmul_n_s32): Likewise.
1603         (vmul_n_u16): Likewise.
1604         (vmul_n_u32): Likewise.
1605         (vmulq_n_f32): Likewise.
1606         (vmulq_n_f64): Likewise.
1607         (vmulq_n_s16): Likewise.
1608         (vmulq_n_s32): Likewise.
1609         (vmulq_n_u16): Likewise.
1610         (vmulq_n_u32): Likewise.
1612 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1614         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1615         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1617 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1619         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1620         to *aarch64_fma4_elt_from_dup<mode>.
1621         (*aarch64_fnma4_elt_to_128df): Rename to
1622         *aarch64_fnma4_elt_from_dup<mode>.
1623         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1624         (vfms_n_f32): Likewise.
1625         (vfms_n_f64): Likewise.
1626         (vfmsq_n_f32): Likewise.
1627         (vfmsq_n_f64): Likewise.
1629 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1631         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1633 2016-05-17  Richard Biener  <rguenther@suse.de>
1635         PR tree-optimization/71132
1636         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1637         Only add control dependences for blocks in the loop.
1638         (build_rdg): Adjust.
1639         (generate_code_for_partition): Return whether loop should
1640         be destroyed and delay that.
1641         (distribute_loop): Likewise.
1642         (pass_loop_distribution::execute): Record loops to be destroyed
1643         and perform delayed destroying of loops.
1645 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1647         PR target/70809
1648         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1650 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1652         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1654 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1656         PR target/71114
1657         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1658         insertion point for instructions generated by validize_mem.
1660 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1662         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1663         in brackets.
1665 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1667         * config/aarch64/aarch64.c
1668         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1669         rather than a macro.
1671 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1673         * doc/invoke.texi (AArch64 Options): Various updates.
1675 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1677         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1678         into instrumentation thunks.
1679         * cif-code.def (CIF_CHKP): New.
1681 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1683         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1685 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1687         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1688         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1690 2016-05-16  Marek Polacek  <polacek@redhat.com>
1692         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1693         commentary.
1695 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1697         PR hsa/70857
1698         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1699         the outlined kernel function.
1701 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1703         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1704         (ISA_HAS_DLSA): Ditto.
1706 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1708         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1710 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1712         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1713         (nvptx_name_replacement): Restore.  Add comment.
1714         (write_fn_proto, write_fn_proto_from_insn,
1715         nvptx_output_call_insn): Restore
1716         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1718 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1720         * config/aarch64/aarch64.md
1721         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1722         (add<mode>3_compareC_imm): Likewise.
1723         (<optab>si3_uxtw): Split into register and immediate variants.
1724         (andsi3_compare0_uxtw): Likewise.
1725         (and<mode>3_compare0): Likewise.
1726         (and<mode>3nr_compare0): Likewise.
1727         (stack_protect_test_<mode>): Don't use %x for memory operands.
1729 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1731         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1733 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1735         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1736         Split integer shifts into shift_reg and bfm.
1737         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1738         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1739         (ror<mode>3_insn): Likewise.
1740         (<optab>si3_insn_uxtw): Likewise.
1741         (<optab><mode>3_insn): Change to rotate_imm.
1742         (extr<mode>5_insn_alt): Likewise.
1743         (extrsi5_insn_uxtw): Likewise.
1744         (extrsi5_insn_uxtw_alt): Likewise.
1746 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1748         * doc/tm.texi: Regenerate.
1749         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
1750         (TARGET_INVALID_RETURN_TYPE): Remove.
1751         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
1752         TARGET_INVALID_RETURN_TYPE.
1753         * target.def (invalid_parameter_type): Remove.
1754         (invalid_return_type): Remove.
1756 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1758         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
1759         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
1760         calls from thunk.
1761         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
1762         gimple body.
1763         (preserve_function_body_p): No need to preserve function body
1764         * cif-codes.def (CIF_THUNK): Remove.
1765         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
1767 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1769         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
1771 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1773         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
1774         for thunks.
1776 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1778         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
1779         (inline_small_functions): Do not look for function symbol when
1780         resetting caches.
1782 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1784         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
1785         of inline thunks
1787 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1788             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1789             Jiong Wang  <jiong.wang@arm.com>
1791         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
1792         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
1793         Define __ARM_FP16_ARGS when appropriate.
1794         * config/arm/arm.c (arm_invalid_parameter_type): Remove
1795         declaration.
1796         (arm_invalid_return_type): Likewise.
1797         (TARGET_INVALID_PARAMETER_TYPE): Remove.
1798         (TARGET_INVALID_RETURN_TYPE): Remove.
1799         (aapcs_vfp_sub_candidate): Allow HFmode.
1800         (aapcs_vfp_allocate): Add comment.  Support HFmode.
1801         (aapcs_vfp_allocate_return_reg): Likewise.
1802         (struct aapcs_cp_arg_layout): Slightly reword comments for
1803         is_return_candidate and allocate_return_reg.
1804         (output_mov_vfp): Update assert.
1805         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
1806         condition.
1807         (arm_invalid_parameter_type): Remove.
1808         (amr_invalid_return_type): Remove.
1809         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
1810         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
1811         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
1813 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1815         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
1816         * config/aarch64/arch64-protos.h
1817         (aarch64_legitimize_reload_address): Remove.
1818         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
1819         Remove.
1821 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1823         * configure.ac: Add ACX_NONCANONICAL_HOST.
1824         * configure: Regenerate.
1825         * Makefile.in: Set host_noncanonical.
1827 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
1829         PR target/71097
1830         * config/i386/i386.md (*movtf_internal): Before register allocation,
1831         do not allow FP constants for CM_MEDIUM memory model, allow only
1832         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
1833         (*movxf_internal): Ditto.
1834         (*movdf_internal): Ditto.
1835         (*movsf_internal): Ditto.
1837 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
1839         PR rtl-optimization/67483
1840         * combine.c (make_compound_operation): Don't call extract_left_shift
1841         with negative shift amounts.
1843 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
1845         PR bootstrap/71071
1846         * fold-const.c (fold_checksum_tree): Allow modification
1847         of TYPE_ALIAS_SET during folding.
1849         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
1850         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
1851         (ix86_split_to_parts): Likewise.  Fix up formatting.
1853 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1855         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
1856         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
1857         printf format.
1859 2016-05-13  Nathan Sidwell  <nathan@acm.org>
1861         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
1862         (nvptx_name_replacement): Delete.
1863         (write_fn_proto, write_fn_proto_from_insn,
1864         nvptx_output_call_insn): Remove nvptx_name_replacement call.
1865         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
1866         * langhooks.c (add_builtin_funcction_common): Call
1867         targetm.mangle_decl_assembler_name.
1869         * config/nvptx/nvptx.c (write_fn_proto): Handle
1870         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
1872 2016-05-13  Martin Liska  <mliska@suse.cz>
1874         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
1875         and PRIu64 in printf format.
1877 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1879         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
1880         comment.
1882 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1884         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1885         Change --param max-completely-peeled-times to
1886         --param max-completely-peel-times in dump file printing.
1888 2016-05-13  Richard Biener  <rguenther@suse.de>
1890         PR tree-optimization/42587
1891         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
1892         (find_bswap_or_nop_1): Likewise.
1893         (bswap_replace): Likewise.
1895 2016-05-13  Martin Liska  <mliska@suse.cz>
1897         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
1898         Initialize a variable with default value.
1900 2016-05-13  Martin Liska  <mliska@suse.cz>
1902         * doc/invoke.texi: Enhance explanation of error recovery
1903         of sanitizers.
1905 2016-05-13  Martin Liska  <mliska@suse.cz>
1907         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
1908         (struct cost_pair): Change inv_expr_id (int) to inv_expr
1909         (iv_inv_expr_ent *).
1910         (struct iv_inv_expr_ent): Comment struct fields.
1911         (sort_iv_inv_expr_ent): New function.
1912         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
1913         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
1914         a hash_map between iv_inv_expr_ent and number of usages.
1915         (niter_for_exit): Fix coding style.
1916         (tree_ssa_iv_optimize_init): Use renamed variable.
1917         (determine_base_object): Fix coding style.
1918         (alloc_iv): Likewise.
1919         (find_interesting_uses_outside): Likewise.
1920         (add_candidate_1): Likewise.
1921         (add_standard_iv_candidates): Likewise.
1922         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
1923         (prepare_decl_rtl): Fix coding style.
1924         (get_address_cost): Likewise.
1925         (get_shiftadd_cost): Likewise.
1926         (force_expr_to_var_cost): Likewise.
1927         (compare_aff_trees): Likewise.
1928         (get_expr_id): Restructure the function.
1929         (get_loop_invariant_expr_id): Renamed to
1930         get_loop_invariant_expr.
1931         (get_computation_cost_at): Replace usage of inv_expr_id with
1932         inv_expr.
1933         (get_computation_cost): Likewise.
1934         (determine_group_iv_cost_generic): Likewise.
1935         (determine_group_iv_cost_address): Likewise.
1936         (iv_period): Fix coding style.
1937         (iv_elimination_compare_lt): Likewise.
1938         (may_eliminate_iv): Likewise.
1939         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
1940         inv_expr.
1941         (determine_group_iv_costs): Dump invariant expressions.
1942         (iv_ca_recount_cost): Use the newly added hash_map.
1943         (iv_ca_set_remove_invariants): Fix coding style.
1944         (iv_ca_set_add_invariants): Fix coding style.
1945         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
1946         invariants.
1947         (iv_ca_set_cp): Likewise.
1948         (iv_ca_new): Initialize the newly added hash_map and remove
1949         initialization of fields.
1950         (iv_ca_free): Delete the hash_map.
1951         (iv_ca_dump): Dump invariant expressions.
1952         (iv_ca_extend): Fix coding style.
1953         (try_add_cand_for): Likewise.
1954         (create_new_ivs): Dump information about # of avg iterations and
1955         # of used invariant expressions.
1956         (rewrite_use_compare): Fix coding style.
1957         (free_loop_data): Set default value for max_inv_expr_id.
1959 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1961         * cse.c (rest_of_handle_cse): Use cleanup_cfg
1962         returned value cse_cfg_altered computation.
1963         (rest_of_handle_cse2): Likewise.
1964         (rest_of_handle_cse_after_global_opts): Likewise.
1966 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1968         PR target/53440
1969         * config/arm/arm.c (arm32_output_mi_thunk): New.
1970         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
1971         to split Thumb1 vs TARGET_32BIT functionality.
1972         (arm_thumb1_mi_thunk): New.
1974 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1976         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
1977         to true.
1979 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1981         PR target/71080
1982         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
1984 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
1986         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
1987         (expand_builtin_trap): Emit a regular call.
1988         (set_builtin_user_assembler_name): Remove obsolete cases.
1989         * dse.c (scan_insn): Adjust.
1990         * except.c: Include calls.h.
1991         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
1992         emit a regular call to setjmp.
1993         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
1994         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
1995         (emit_block_move_via_libcall): Delete.
1996         (block_move_fn): Delete.
1997         (init_block_move_fn): Likewise.
1998         (emit_block_move_libcall_fn): Likewise.
1999         (emit_block_op_via_libcall): New function.
2000         (set_storage_via_libcall): Tidy up and use memset builtin.
2001         (block_clear_fn): Delete.
2002         (init_block_clear_fn): Likewise.
2003         (clear_storage_libcall_fn): Likewise.
2004         (expand_assignment): Call emit_block_move_via_libcall.
2005         Do not include gt-expr.h.
2006         * expr.h (emit_block_op_via_libcall): Declare.
2007         (emit_block_copy_via_libcall): New inline function.
2008         (emit_block_move_via_libcall): Likewise.
2009         (emit_block_comp_via_libcall): Likewise.
2010         (block_clear_fn): Delete.
2011         (init_block_move_fn): Likewise.
2012         (init_block_clear_fn): Likewise.
2013         (emit_block_move_via_libcall): Likewise.
2014         (set_storage_via_libcall): Add default parameter value.
2015         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2016         (abort_libfunc): Delete.
2017         (memcpy_libfunc): Likewise.
2018         (memmove_libfunc): Likewise.
2019         (memcmp_libfunc): Likewise.
2020         (memset_libfunc): Likewise.
2021         (setbits_libfunc): Likewise.
2022         (setjmp_libfunc): Likewise.
2023         (longjmp_libfunc): Likewise.
2024         (profile_function_entry_libfunc): Likewise.
2025         (profile_function_exit_libfunc): Likewise.
2026         (gcov_flush_libfunc): Likewise.
2027         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2028         and DECL_VISIBILITY on the declaration.
2029         (init_optabs): Do not initialize obsolete libfuncs.
2030         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2031         * tree-core.h (ECF_RET1): Define.
2032         (ECF_TM_PURE): Adjust.
2033         (ECF_TM_BUILTIN): Likewise.
2034         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2035         (build_common_builtin_nodes): Initialize abort builtin.
2036         Add ECF_RET1 on memcpy, memmove and memset builtins.
2037         Pass final flags for alloca and alloca_with_align builtins.
2038         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2039         obsolete builtins.
2040         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2041         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2042         set_storage_via_libcall and call emit_block_copy_via_libcall.
2044 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2046         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2047         DImode before it is passed to ix86_output_call_operand.
2048         (*call_value_got_x32): Ditto for operand 1.
2050 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2052         PR rtl-optimization/70904
2053         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2054         reload for wide mode.
2056 2016-05-12  Marek Polacek  <polacek@redhat.com>
2058         PR c/70756
2059         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2060         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2061         * langhooks.h (incomplete_type_error): Likewise.
2062         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2063         parameter, pass it down to incomplete_type_error.
2064         * tree.h (size_in_bytes): New inline overload.
2065         (size_in_bytes_loc): Renamed from size_in_bytes.
2067 2016-05-12  Richard Biener  <rguenther@suse.de>
2069         PR tree-optimization/71059
2070         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2071         nary before looking up or entering the expression into the VN
2072         hashes.
2073         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2074         Make sure to re-use NARYs without result as inserted by
2075         phi-translation.
2077 2016-05-12  Richard Biener  <rguenther@suse.de>
2079         PR tree-optimization/71062
2080         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2081         field.
2082         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2083         vars_contains_restrict if the var is a restrict tag.
2084         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2085         do not disambiguate pointers against it.
2086         (dump_points_to_solution): Re-structure and adjust for new
2087         vars_contains_restrict flag.
2088         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2090 2016-05-12  Martin Liska  <mliska@suse.cz>
2092         * doc/invoke.texi: Explain connection between
2093         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2095 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2097         PR tree-optimization/71006
2098         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2099         consider COND_EXPR as a mask producer.
2101 2016-05-12  Marek Polacek  <polacek@redhat.com>
2103         PR driver/71063
2104         * opts.c (common_handle_option): Detect missing argument for --help^.
2106 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2108         PR target/70830
2109         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2110         when popping the PC and within an interrupt handler routine.
2111         Add missing tab to output of "ldmfd".
2112         (output_return_instruction): Output LDMFD with SP update rather
2113         than POP when returning from interrupt handler.
2115 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2117         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2118         TARGET_64BIT && TARGET_AVX512DQ.
2119         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2120         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2121         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2122         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2123         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2124         (*vec_extractv4si_zext): Add avx512dq alternative.
2125         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2126         use v instead of x constraint in other alternatives where possible.
2128         * config/i386/sse.md (sse2_loadld): Use v instead of x
2129         constraint in alternatives 0,1,4.
2131         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2132         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2133         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2135         PR target/71019
2136         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2137         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2138         is not emitted unless TARGET_AVX512BW.
2139         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2140         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2141         for the result operand.
2143         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2144         constraint instead of x in avx alternatives.  Use maybe_evex instead
2145         of vex prefix.
2147         * config/i386/constraints.md (Yv): New constraint.
2148         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2149         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2150         * config/i386/i386.md (avx512fvecmode): New mode attr.
2151         (*pushtf): Use v constraint instead of x.
2152         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2153         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2154         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2155         (*absnegtf2_sse): Likewise.
2156         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2157         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2158         avx512f alternatives.
2159         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2161 2016-05-12  Richard Biener  <rguenther@suse.de>
2163         PR tree-optimization/71060
2164         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2165         require exact match of DR_BASE_OBJECT but only matching address and
2166         type.
2168 2016-05-12  Richard Biener  <rguenther@suse.de>
2170         PR tree-optimization/70986
2171         * cfganal.c: Include cfgloop.h.
2172         (dfs_find_deadend): Prefer to take edges exiting loops.
2174 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2176         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2177         compile and run time.
2179 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2181         PR c/43651
2182         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2184 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2186         * config/i386/i386.c (legitimize_pic_address): Use
2187         copy_to_suggested_reg instead of gen_movsi.
2189 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2191         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2192         the code into quad_address_p and call it to share code with
2193         vsx_quad_dform_memory_operand.
2194         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2195         d-form support.
2196         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2197         bit instead of being a separate word.  Split -mpower9-dform into
2198         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2199         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2200         for the register class supporting 128-bit quad word memory offsets.
2201         (mode_supports_vsx_dform_quad): Helper function to return if the
2202         register class uses quad word memory offsets.
2203         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2204         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2205         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2206         instructions are enabled, set up the appropriate addr_masks for
2207         128-bit types.
2208         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2209         -mpower9-dform-scalar, instead of -mpower9-dform.
2210         (rs6000_option_override_internal): Split -mpower9-dform into two
2211         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2212         -mpower9-dform switch sets or clears both.  If we are not using
2213         the LRA register allocator, do not enable -mpower9-dform-vector by
2214         default.  If we are using LRA, enable -mpower9-dform-vector and
2215         -mvsx-timode if it is appropriate.  Issue a warning if either
2216         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2217         enabling LRA.
2218         (quad_address_offset_p): New helper function to return if the
2219         offset is legal for quad word memory instructions.
2220         (quad_address_p): New function to determin if GPR or vector
2221         register quad word memory addresses are legal.
2222         (mem_operand_gpr): Validate quad word address offsets.
2223         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2224         d-form (register + offset) instructions.
2225         (offsettable_ok_by_alignment): Likewise.
2226         (rs6000_legitimate_offset_address_p): Likewise.
2227         (legitimate_lo_sum_address_p): Likewise.
2228         (rs6000_legitimize_address): Likewise.
2229         (rs6000_legitimize_reload_address): Add more debug statements for
2230         -mdebug=addr.
2231         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2232         d-form instructions.
2233         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2234         d-form instructions.  Distinguish different cases in debug
2235         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2236         d-form instructions.
2237         (rs6000_preferred_reload_class): Likewise.
2238         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2239         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2240         of the ISA 2.06 indexed memory instructions.
2241         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2242         use them to save/restore the saved vector registers instead of
2243         using Altivec instructions.
2244         (rs6000_emit_epilogue): Likewise.
2245         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2246         (rs6000_opt_masks): Split -mpower9-dform into
2247         -mpower9-dform-scalar and -mpower9-dform-vector.
2248         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2249         was not selected.
2250         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2251         ISA 3.0 vector indexed memory instructions, and fold the code into
2252         the normal mov<mode> patterns.
2253         (p9_vecstore_<mode>): Likewise.
2254         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2255         instructions.
2256         (vsx_movti_64bit): Likewise.
2257         (vsx_movti_32bit): Likewise.
2258         * config/rs6000/constraints.md (wO constraint): New constraint for
2259         ISA 3.0 vector d-form support.
2260         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2261         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2262         include -mpower9-dform-vector until we switch over to LRA.
2263         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2264         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2265         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2266         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2267         for -mpower9-dform and -mlra.
2268         * doc/md.texi (wO constraint): Document wO constraint.
2270 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2272         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2273         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2274         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2275         Move handling of non-insn arguments inline into the sole user:
2276         (output_trans_func): ...here.
2277         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2278         in emitted function prototype.
2279         (output_internal_insn_latency_func): Ditto.  Simplify.
2280         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2281         always-unused argument.
2282         (output_insn_latency_func): Ditto.
2283         (output_maximal_insn_latency_func): Ditto.
2285 2016-05-11  Richard Biener  <rguenther@suse.de>
2287         PR tree-optimization/71055
2288         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2289         sth with precision not equal to access size verify we don't chop
2290         off bits.
2292 2016-05-11  Richard Biener  <rguenther@suse.de>
2294         PR debug/71057
2295         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2296         (dwarf2out_finish): Move retry_incomplete_types call ...
2297         (dwarf2out_early_finish): ... here.
2299 2016-05-11  Richard Biener  <rguenther@suse.de>
2301         PR middle-end/71002
2302         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2303         if the langhook insists on it.
2304         * fold-const.c (make_bit_field_ref): Add arg for the original
2305         reference and preserve its alias-set.
2306         (decode_field_reference): Take exp by reference and adjust it
2307         to the original memory reference.
2308         (optimize_bit_field_compare): Adjust callers.
2309         (fold_truth_andor_1): Likewise.
2310         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2312 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2314         PR middle-end/70807
2315         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2316         * cfgrtl.c (delete_insn_and_edges): Likewise.
2317         * config/i386/i386.c (convert_scalars_to_vector): Remove
2318         redundant code.
2319         * cse.c (cse_insn): Compute cse_cfg_altered.
2320         (delete_trivially_dead_insns): Likewise.
2321         (cse_cc_succs): Likewise.
2322         (rest_of_handle_cse): Free dominance info if required.
2323         (rest_of_handle_cse2): Likewise.
2324         (rest_of_handle_cse_after_global_opts): Likewise.
2326 2016-05-11  Alan Modra  <amodra@gmail.com>
2328         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2329         abi_v4_pass_in_fpr): New functions.
2330         (rs6000_function_arg_boundary): Exclude complex IBM long double
2331         from 64-bit alignment when ABI_V4.
2332         (rs6000_function_arg, rs6000_function_arg_advance_1,
2333         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2335 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2337         PR rtl-optimization/71028
2338         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2339         jump with just a return in the fallthrough block if the branch
2340         block contains just a return as well.
2342 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2344         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2345         * match.pd ((X & Y) ^ Y): ... this.
2346         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2347         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2349 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2351         * read-md.c (require_char_ws): New function.
2352         (read_string): Simplify using require_char_ws.
2353         (handle_constants): Likewise.
2354         (handle_enum): Likewise.
2355         (handle_file): Likewise.
2356         * read-md.h (require_char_ws): New declaration.
2357         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2358         (read_mapping): Likewise.
2359         (read_rtx_code): Likewise.
2360         (read_nested_rtx): Likewise.
2362 2016-05-10  James Norris  <jnorris@codesourcery.com>
2364         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2365         if offloading is enabled and -fopenacc or -fopenmp is specified.
2366         (CRTOFFLOADEND): Likewise.
2367         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2368         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2370 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2372         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2373         gotoff_operand code paths.  Use copy_to_suggested_regs and
2374         expand_simple_binop where appropriate.  Cleanup.
2376 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2378         PR target/70799
2379         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2380         integer constants.
2381         (dimode_scalar_chain::vector_const_cost): New.
2382         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2383         (dimode_scalar_chain::convert_op): Likewise.
2384         (dimode_scalar_chain::convert_insn): Likewise.
2386 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2388         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2389         unary operation, not a binary one.
2391 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2393         PR middle-end/70877
2394         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2395         calls with type casted fndecl.
2397 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2399         PR tree-optimization/70786
2400         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2401         * calls.c (initialize_argument_information): Bind bounds
2402         with corresponding args passed by reference.
2404 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2406         PR target/70927
2407         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2408         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2409         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2410         accordingly.
2412 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2414         PR target/70963
2415         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2416         code for a zero scale factor.
2417         (vsx_xvcvdpuxds_scale): Likewise.
2419 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2421         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2422         if show_ruler_p was set on the context.
2423         (layout::show_ruler): New method.
2424         * diagnostic.h (struct diagnostic_context): Add field
2425         "show_ruler_p".
2427 2016-05-10  Richard Biener  <rguenther@suse.de>
2429         PR tree-optimization/71039
2430         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2431         (chk_uses): New function.
2432         (propagate_with_phi): Verify we can safely replicate the lhs of an
2433         aggregate assignment on all incoming edges.
2435 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2437         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2438         Forward declare.
2439         (rx_atomic_sequence): New class.
2440         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2441         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2442         non-inline.
2443         (rx_atomic_sequence::rx_atomic_sequence,
2444         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2445         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2446         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2447         CTRLREG_INTB): New constants.
2448         (FETCHOP): New code iterator.
2449         (fethcop_name, fetchop_name2): New iterator code attributes.
2450         (QIHI): New mode iterator.
2451         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2452         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2453         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2455 2016-05-10  Martin Liska  <mliska@suse.cz>
2457         * tree-inline.c (remap_dependence_clique): Do not remap
2458         debugging statements.
2460 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2462         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2463         ("*fixuns_truncdfdi2_z13")
2464         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2465         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2466         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2468 2016-05-10  Richard Biener  <rguenther@suse.de>
2470         PR tree-optimization/70497
2471         PR tree-optimization/28367
2472         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2473         split out from ...
2474         (visit_reference_op_load): ... here.
2475         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2476         with simplified BIT_FIELD_REFs.
2477         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2478         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2479         correctly.
2481 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2483         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2484         documentation comment.  For BLOCK nodes, add a
2485         DW_AT_abstract_origin attribute that points to the DIE generated
2486         for the origin BLOCK.
2487         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2488         blocks from inlined functions.
2490 2016-05-10  Alan Modra  <amodra@gmail.com>
2492         PR target/70947
2493         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2494         regrename modifying insns saving lr before __morestack call.
2495         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2496         insns restoring lr after __morestack call.
2498 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2500         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2501         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2502         expanders.
2503         * config/i386/sse.md (vec_interleave_high<mode>,
2504         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2505         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2507 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2509         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2510         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2511         parallel reassociation for power8 and forward.
2513 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2515         * config/i386/i386.md (absneg splitters with general regs): Use
2516         general_reg_operand predicate.
2517         (btsq peephole2): Use x86_64_immediate_operand to check if new
2518         value is suitable for immediate operand.  Generate emitted insn
2519         using RTL expressions.
2520         (btcq peephole2): Ditto.
2521         (btrq peephole2): Ditto.  Generate correct immediate operand
2522         for AND masking.
2524 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2526         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2527         bitpos.
2529 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2531         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2532         pointer dereference.
2534 2016-05-09  Richard Biener  <rguenther@suse.de>
2536         PR tree-optimization/70985
2537         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2538         op0 isn't a gimple register.
2540 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2542         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2543         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2544         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2545         (i6400_fpu_mult): New cpu units.
2546         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2547         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2548         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2549         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2550         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2551         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2552         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2553         (i6400_msa_long_float4, i6400_msa_long_float5)
2554         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2555         (i6400_msa_fdiv_sf): New reservations.
2556         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2557         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2558         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2559         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2560         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2561         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2562         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2563         (msa_short_store4, msa_long_load, msa_short_store)
2564         (msa_long_logic, msa_long_float2, msa_long_float4)
2565         (msa_long_float5, msa_long_float8, msa_long_mult)
2566         (msa_long_fdiv, msa_long_div): New reservations.
2568 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2569             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2570             Matthew Fortune  <matthew.fortune@imgtec.com>
2571             Graham Stott  <graham.stott@imgtec.com>
2572             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2574         * config.gcc: Add MSA header file for mips*-*-* target.
2575         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2576         (Ubv8i, Urv8):  New constraints.
2577         * config/mips/mips-ftypes.def: Add function types for MSA
2578         builtins.
2579         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2580         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2581         * config/mips/mips-msa.md: New file.
2582         * config/mips/mips-protos.h
2583         (mips_split_128bit_const_insns): New prototype.
2584         (mips_msa_idiv_insns): Likewise.
2585         (mips_split_128bit_move): Likewise.
2586         (mips_split_128bit_move_p): Likewise.
2587         (mips_split_msa_copy_d): Likewise.
2588         (mips_split_msa_insert_d): Likewise.
2589         (mips_split_msa_fill_d): Likewise.
2590         (mips_expand_msa_branch): Likewise.
2591         (mips_const_vector_same_val_p): Likewise.
2592         (mips_const_vector_same_bytes_p): Likewise.
2593         (mips_const_vector_same_int_p): Likewise.
2594         (mips_const_vector_shuffle_set_p): Likewise.
2595         (mips_const_vector_bitimm_set_p): Likewise.
2596         (mips_const_vector_bitimm_clr_p): Likewise.
2597         (mips_msa_vec_parallel_const_half): Likewise.
2598         (mips_msa_output_division): Likewise.
2599         (mips_ldst_scaled_shift): Likewise.
2600         (mips_expand_vec_cond_expr): Likewise.
2601         * config/mips/mips.c (enum mips_builtin_type): Add
2602         MIPS_BUILTIN_MSA_TEST_BRANCH.
2603         (mips_gen_const_int_vector_shuffle): New prototype.
2604         (mips_const_vector_bitimm_set_p): New function.
2605         (mips_const_vector_bitimm_clr_p): Likewise.
2606         (mips_const_vector_same_val_p): Likewise.
2607         (mips_const_vector_same_bytes_p): Likewise.
2608         (mips_const_vector_same_int_p): Likewise.
2609         (mips_const_vector_shuffle_set_p): Likewise.
2610         (mips_symbol_insns): Forbid loading symbols via immediate for
2611         MSA.
2612         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2613         stores.
2614         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2615         MSA.
2616         (mips_lx_address_p): Add support load indexed address for MSA.
2617         (mips_address_insns): Add calculation of instructions needed for
2618         stores and loads for MSA.
2619         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2620         CONST_VECTOR for MSA and let it fall through.
2621         (mips_ldst_scaled_shift): New function.
2622         (mips_subword_at_byte): Likewise.
2623         (mips_msa_idiv_insns): Likewise.
2624         (mips_legitimize_move): Validate MSA moves.
2625         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2626         calculation of costs for MSA division.
2627         (mips_split_move_p): Check if MSA moves need splitting.
2628         (mips_split_move): Split MSA moves if necessary.
2629         (mips_split_128bit_move_p): New function.
2630         (mips_split_128bit_move): Likewise.
2631         (mips_split_msa_copy_d): Likewise.
2632         (mips_split_msa_insert_d): Likewise.
2633         (mips_split_msa_fill_d): Likewise.
2634         (mips_output_move): Handle MSA moves.
2635         (mips_expand_msa_branch): New function.
2636         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2637         Reinstate 'y' modifier.
2638         (mips_file_start): Add MSA .gnu_attribute.
2639         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2640         FPRs.
2641         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2642         (mips_class_max_nregs): Add register size for MSA supported mode.
2643         (mips_cannot_change_mode_class): Allow conversion between MSA
2644         vector modes and TImode.
2645         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2646         instruction.
2647         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2648         (mips_preferred_simd_mode): Add preffered modes for MSA.
2649         (mips_vector_mode_supported_p): Add MSA supported modes.
2650         (mips_autovectorize_vector_sizes): New function.
2651         (mips_msa_output_division): Likewise.
2652         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2653         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2654         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2655         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2656         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2657         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2658         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2659         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2660         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2661         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2662         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2663         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2664         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2665         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2666         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2667         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2668         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2669         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2670         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2671         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2672         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2673         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2674         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2675         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2676         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2677         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2678         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2679         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2680         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2681         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2682         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2683         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2684         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2685         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2686         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2687         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2688         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2689         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2690         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2691         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2692         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2693         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2694         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2695         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2696         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2697         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2698         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2699         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2700         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2701         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2702         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2703         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2704         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2705         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2706         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2707         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2708         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2709         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2710         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2711         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2712         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2713         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2714         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2715         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2716         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2717         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2718         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2719         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2720         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2721         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2722         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2723         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2724         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2725         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2726         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2727         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2728         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2729         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2730         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2731         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2732         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2733         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2734         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2735         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2736         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2737         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2738         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2739         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2740         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2741         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2742         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2743         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2744         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2745         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2746         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2747         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2748         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
2749         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
2750         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
2751         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
2752         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
2753         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
2754         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
2755         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
2756         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
2757         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
2758         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
2759         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
2760         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
2761         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
2762         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
2763         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
2764         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
2765         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
2766         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
2767         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
2768         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
2769         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
2770         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
2771         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
2772         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
2773         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
2774         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
2775         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
2776         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
2777         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
2778         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
2779         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
2780         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
2781         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
2782         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
2783         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
2784         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
2785         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
2786         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
2787         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
2788         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
2789         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
2790         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
2791         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
2792         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
2793         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
2794         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
2795         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
2796         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
2797         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
2798         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
2799         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
2800         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
2801         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
2802         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
2803         move_v builtins.
2804         (mips_get_builtin_decl_index): New array.
2805         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
2806         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
2807         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
2808         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
2809         (mips_init_builtins): Initialize mips_get_builtin_decl_index
2810         array.
2811         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
2812         hook.
2813         (mips_expand_builtin_insn): Prepare operands for
2814         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
2815         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
2816         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
2817         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
2818         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
2819         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
2820         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
2821         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
2822         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
2823         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
2824         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
2825         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
2826         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
2827         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
2828         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
2829         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
2830         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
2831         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
2832         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
2833         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
2834         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
2835         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
2836         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
2837         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
2838         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
2839         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
2840         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
2841         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
2842         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
2843         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
2844         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
2845         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
2846         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
2847         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
2848         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
2849         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
2850         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
2851         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
2852         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
2853         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
2854         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
2855         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
2856         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
2857         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
2858         These are set implicitly and an error is reported if overridden.
2859         (mips_expand_builtin_msa_test_branch): New function.
2860         (mips_expand_msa_shuffle): Likewise.
2861         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
2862         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
2863         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
2864         (mips_expand_vec_unpack): Add support for MSA.
2865         (mips_expand_vector_init): Likewise.
2866         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
2867         instead of const0_rtx.
2868         (mips_msa_vec_parallel_const_half): New function.
2869         (mips_gen_const_int_vector): Likewise.
2870         (mips_gen_const_int_vector_shuffle): Likewise.
2871         (mips_expand_msa_cmp): Likewise.
2872         (mips_expand_vec_cond_expr): Likewise.
2873         * config/mips/mips.h
2874         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
2875         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
2876         specified.
2877         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
2878         (ISA_HAS_MSA): New macro.
2879         (UNITS_PER_MSA_REG): Likewise.
2880         (BITS_PER_MSA_REG): Likewise.
2881         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
2882         (MSA_REG_FIRST): New macro.
2883         (MSA_REG_LAST): Likewise.
2884         (MSA_REG_NUM): Likewise.
2885         (MSA_REG_P): Likewise.
2886         (MSA_REG_RTX_P): Likewise.
2887         (MSA_SUPPORTED_MODE_P): Likewise.
2888         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
2889         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
2890         * config/mips/mips.md: Include mips-msa.md.
2891         (alu_type): Add simd_add.
2892         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
2893         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
2894         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
2895         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
2896         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
2897         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
2898         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
2899         simd_move, simd_load, simd_store.  Choose "multi" for moves
2900         for "qword_mode".
2901         (qword_mode): New attribute.
2902         (insn_count): Add instruction count for quad moves.
2903         Increase the count for MIPS SIMD division.
2904         (UNITMODE): Add UNITMODEs for vector types.
2905         (addsub): New code iterator.
2906         * config/mips/mips.opt (mmsa): New option.
2907         * config/mips/msa.h: New file.
2908         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
2909         specified.
2910         * config/mips/mti-linux.h: Likewise.
2911         * config/mips/predicates.md
2912         (const_msa_branch_operand): New constraint.
2913         (const_uimm3_operand): Likewise.
2914         (const_uimm4_operand): Likewise.
2915         (const_uimm5_operand): Likewise.
2916         (const_uimm8_operand): Likewise.
2917         (const_imm5_operand): Likewise.
2918         (aq10b_operand): Likewise.
2919         (aq10h_operand): Likewise.
2920         (aq10w_operand): Likewise.
2921         (aq10d_operand): Likewise.
2922         (const_m1_operand): Likewise.
2923         (reg_or_m1_operand): Likewise.
2924         (const_exp_2_operand): Likewise.
2925         (const_exp_4_operand): Likewise.
2926         (const_exp_8_operand): Likewise.
2927         (const_exp_16_operand): Likewise.
2928         (const_vector_same_val_operand): Likewise.
2929         (const_vector_same_simm5_operand): Likewise.
2930         (const_vector_same_uimm5_operand): Likewise.
2931         (const_vector_same_uimm6_operand): Likewise.
2932         (const_vector_same_uimm8_operand): Likewise.
2933         (par_const_vector_shf_set_operand): Likewise.
2934         (reg_or_vector_same_val_operand): Likewise.
2935         (reg_or_vector_same_simm5_operand): Likewise.
2936         (reg_or_vector_same_uimm6_operand): Likewise.
2937         * doc/extend.texi (MIPS SIMD Architecture Functions): New
2938         section.
2939         * doc/invoke.texi (-mmsa): Document new option.
2941 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2943         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
2944         * configure: Regenerate.
2945         * config.in: Regenerate.
2946         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
2947         on -fvtable-verify.
2948         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
2949         (ENDFILE_VTV_SPEC): Define.
2951 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
2953         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
2954         registers in all interrupt handlers if necessary.
2955         (rl78_option_override): Add warning.
2956         (MUST_SAVE_MDUC_REGISTERS): New macro.
2957         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
2958         * config/rl78/rl78.c (check_mduc_usage): New function.
2959         (mduc_regs): New structure to hold MDUC register data.
2960         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
2961         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
2962         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
2963         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
2964         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
2965         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
2967 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
2969         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
2970         (tree-ssa-loop-niter.h): Ditto.
2971         (idx_within_array_bound, ref_within_array_bound): New functions.
2972         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
2973         Factor out check on writable base object to ...
2974         (base_object_writable): ... here.
2976 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2978         * config/arm/arm.md (probe_stack): Add modes to set source
2979         and destination.
2981 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
2983         * regrename.c (base_reg_class_for_rename): New static function.
2984         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
2986 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
2988         * cgraph.c (thunk_adjust): Export.
2989         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
2990         * cgraphunit.c (thunk_adjust): Export.
2991         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
2992         thunks.
2993         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
2994         inlinable.
2995         * tree-inline.c (expand_call_inline): Expand thunks inline.
2997 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
2999         PR target/70998
3000         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3001         (*sse2_vd_cvtss2sd): Ditto.
3002         * config/i386/i386.md
3003         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3004         Generate *sse2_vd_cvtsd2ss pattern.
3005         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3006         Generate *sse2_vd_cvtss2sd pattern.
3008 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3010         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3011         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3012         users.
3014 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3016         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3017         * config/sh/sh.c: Define and declare variables on first use throughout
3018         the file.
3019         (current_function_interrupt): Change to bool type.
3020         (frame_insn): Rename to emit_frame_insn and update users.
3021         (push_regs): Use bool for 'interrupt_handler' argument.
3022         (save_schedule_s): Remove.
3023         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3024         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3025         targetm.asm_out.unaligned_op.di.
3026         (gen_far_branch): Remove redundant forward declaration.
3027         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3028         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3029         (sh_set_return_address, sh_function_ok_for_sibcall,
3030         scavenge_reg): Update comments.
3031         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3032         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3033         (sh_attr_renesas_p): Remove unnecessary parentheses.
3034         (branch_dest): Simplify.
3035         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3036         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3037         (CUMULATIVE_ARGS): Change macro to typedef.
3038         (current_function_interrupt): Change to bool type.
3039         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3040         Surround with __cplusplus ifdef.
3041         (sh_compare_op0, sh_compare_op1): Remove.
3042         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3044 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3046         * config/arm/arm.md: (arch): Add neon.
3047         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3048         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3049         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3050         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3051         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3052         (thumb2_movdf_vfp): Likewise.
3054 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3056         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3057         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3058         (*andqi_1): Add preferred_for_speed attribute to disparage
3059         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3060         (*<code>qi_1): Ditto.
3061         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3062         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3063         (*ashlqi3_1): Ditto.
3064         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3065         Add preferred_for_size attribute to disparage alternative 0 and
3066         preferred_for_speed attribute to disparage alternative 1 for
3067         TARGET_PARTIAL_REG_STALL targets.
3069 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3071         PR tree-optimization/70956
3072         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3073         def.
3075 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3077         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3078         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3079         * config/sh/sh.md (branch_zero): Remove define_attr.
3080         (define_delay): Disable delay slot if branch distance is one insn.
3082 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3084         * config/i386/i386.md (LEAMODE): New mode attribute.
3085         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3086         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3087         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3088         operand 2 predicate.
3089         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3090         (*lea<mode>_general_3): Ditto.
3091         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3093 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3095         * genmddump.c (main): Convert argv from char ** to const char **.
3097 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3099         * coretypes.h (OVERRIDE): New macro.
3100         (FINAL): New macro.
3102 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3104         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3105         allow coalescing if the types are compatible.
3107 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3109         * pass_manager.h (pass_manager::register_pass_name): New method.
3110         (pass_manager::get_pass_by_name): New method.
3111         (pass_manager::create_pass_tab): New method.
3112         (pass_manager::m_name_to_pass_map): New field.
3113         * passes.c (name_to_pass_map): Delete global in favor of field
3114         "m_name_to_pass_map" of pass_manager.
3115         (register_pass_name): Rename from a function to...
3116         (pass_manager::register_pass_name): ...this method, updating
3117         for renaming of global "name_to_pass_map" to field
3118         "m_name_to_pass_map".
3119         (create_pass_tab): Rename from a function to...
3120         (pass_manager::create_pass_tab): ...this method, updating
3121         for renaming of global "name_to_pass_map" to field.
3122         (get_pass_by_name): Rename from a function to...
3123         (pass_manager::get_pass_by_name): ...this method.
3124         (enable_disable_pass): Convert use of get_pass_by_name to
3125         a method call, locating the pass_manager singleton.
3127 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3129         * genattr-common.c (main): Convert argv from char ** to const char **.
3130         * genattr.c (main): Likewise.
3131         * genattrtab.c (main): Likewise.
3132         * genautomata.c (initiate_automaton_gen): Likewise.
3133         (main): Likewise.
3134         * gencodes.c (main): Likewise.
3135         * genconditions.c (main): Likewise.
3136         * genconfig.c (main): Likewise.
3137         * genconstants.c (main): Likewise.
3138         * genemit.c (main): Likewise.
3139         * genenums.c (main): Likewise.
3140         * genextract.c (main): Likewise.
3141         * genflags.c (main): Likewise.
3142         * genmddeps.c (main): Likewise.
3143         * genopinit.c (main): Likewise.
3144         * genoutput.c (main): Likewise.
3145         * genpeep.c (main): Likewise.
3146         * genpreds.c (main): Likewise.
3147         * genrecog.c (main): Likewise.
3148         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3149         (init_rtx_reader_args): Likewise.
3150         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3151         (init_rtx_reader_args): Likewise.
3152         * gentarget-def.c (main): Likewise.
3153         * read-md.c (read_md_files): Likewise.
3154         * read-md.h (read_md_files): Likewise.
3156 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3158         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3159         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3160         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3161         Remove unused predicate.
3162         (register_and_not_fp_reg_operand): Ditto.
3164 2016-05-06  Martin Liska  <mliska@suse.cz>
3166         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3167         instead of vec as the vector is local to the function.
3169 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3171         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3172         avx512bw alternative.
3174         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3175         before the ashr<mode>3 pattern.
3177         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3178         v instead of x in vex or maybe_vex alternatives, use
3179         maybe_evex instead of vex in prefix.
3181         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3182         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3183         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3184         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3185         in prefix.
3187         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3188         v instead of x in vex or maybe_vex alternatives, use
3189         maybe_evex instead of vex in prefix.
3191         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3192         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3193         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3194         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3195         alternatives, use maybe_evex instead of vex in prefix.
3197         * config/i386/sse.md (vec_interleave_lowv4sf,
3198         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3199         v instead of x in vex or maybe_vex alternatives, use
3200         maybe_evex instead of vex in prefix.
3202         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3203         v instead of x in vex or maybe_vex alternatives, use
3204         maybe_evex instead of vex in prefix.
3206         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3207         v constraint instead of x.
3209 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3211         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3212         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3213         equality first.
3215 2016-05-06  Richard Biener  <rguenther@suse.de>
3217         PR tree-optimization/70948
3218         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3219         Properly clobber all fields of va_list for __builtin_va_start.
3221 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3223         PR debug/70935
3224         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3225         loop latch destination.
3227 2016-05-06  Martin Liska  <mliska@suse.cz>
3229         * tree-ssa-uninit.c: Apply manual changes
3230         to the GNU coding style.
3231         (prune_uninit_phi_opnds): Rename from
3232         prune_uninit_phi_opnds_in_unrealizable_paths.
3234 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3236         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3237         mspace): Remove deprecated options.
3238         * doc/invoke.texi (SH options): Remove -mspace.
3240 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3242         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3244 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3246         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3247         corresponding combine split pattern.
3249 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3251         PR target/58219
3252         * config/sh/predicates.md (long_displacement_mem_operand): New.
3253         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3254         Add movi20, movi20s alternatives.  Adjust length attribute for
3255         alternatives.
3256         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3257         alternatives.
3258         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3259         attribute for alternatives.
3260         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3261         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3262         length attribute for alternatives.
3264 2016-05-06  Richard Biener  <rguenther@suse.de>
3266         PR tree-optimization/70960
3267         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3269 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3271         PR target/52933
3272         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3273         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3275 2016-05-06  Marek Polacek  <polacek@redhat.com>
3277         PR sanitizer/70875
3278         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3280 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3282         PR target/54089
3283         * config/sh/sh.md (*rotcr): Add another variant.
3285 2016-05-06  Richard Biener  <rguenther@suse.de>
3287         PR middle-end/70931
3288         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3290 2016-05-06  Richard Biener  <rguenther@suse.de>
3292         PR middle-end/70941
3293         * fold-const.c (split_tree): Always convert to the original type
3294         before negating.
3296 2016-05-06  Richard Biener  <rguenther@suse.de>
3298         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3299         (fwprop_addr): Likewise.
3301 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3303         PR target/70873
3304         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3305         New prototype.
3306         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3307         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3308         the splitter condition.
3309         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3310         the splitter condition.
3311         (FP float_extend load splitter): Ditto.
3313 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3315         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3316         to REGNO in all peephole2 patterns.
3317         (post-reload splitters): Change true_regnum to REGNO in
3318         post-reload splitters.
3319         (zero_extend splitters): Use general_reg_operand and
3320         nonimmediate_gr_operand predicates.
3322 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3324         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3325         v constraint instead of x.
3327 2016-05-05  Alan Modra  <amodra@gmail.com>
3329         PR target/68662
3330         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3331         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3332         TARGET_NO_FP_IN_TOC for -mrelocatable.
3333         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3334         TARGET_RELOCATABLE test.
3335         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3336         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3337         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3338         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3339         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3340         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3341         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3342         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3343         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3344         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3345         Likewise.
3346         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3347         (rs6000_stack_info): Likewise.
3348         (rs6000_elf_asm_out_constructor): Likewise.
3349         (rs6000_elf_asm_out_destructor): Likewise.
3350         (rs6000_elf_declare_function_name): Likewise.
3351         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3352         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3353         Don't define.
3355 2016-05-05  Alan Modra  <amodra@gmail.com>
3357         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3359 2016-05-05  Alan Modra  <amodra@gmail.com>
3361         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3362         out-of-line gpr restore for one or two regs if that would add
3363         a save of lr.
3365 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3367         PR target/70873
3368         * config/i386/i386.md
3369         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3370         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3371         as operand 0 predicate.
3372         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3373         Ditto.
3374         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3375         Ditto.  Emit the pattern using RTX.
3377         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3378         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3379         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3380         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3381         Ditto.
3382         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3383         sse_reg_operand as operand 0 predicate.
3385         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3386         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3387         instead of gen_rtx_REG.
3388         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3389         Ditto.
3391 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3393         * function.c (emit_use_return_register_into_block): Delete.
3394         (gen_return_pattern): Delete.
3395         (emit_return_into_block): Delete.
3396         (active_insn_between): Delete.
3397         (convert_jumps_to_returns): Delete.
3398         (emit_return_for_exit): Delete.
3399         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3400         simple_return for shrink-wrapped blocks.
3401         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3402         end of blocks that need one.
3403         (get_unconverted_simple_return): Delete.
3404         (convert_to_simple_return): Delete.
3405         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3406         (convert_to_simple_return): Ditto.
3408 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3410         * cfgcleanup.c (bb_is_just_return): New function.
3411         (try_optimize_cfg): Simplify jumps to return, branches to return,
3412         and branches around return.
3414 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3416         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3417         branch to a return.
3419 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3421         PR c++/70906
3422         PR c++/70933
3423         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3424         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3425         assert flags & OEP_HASH_CHECK, instead of asserting it
3426         never happens.  Handle TARGET_EXPR.
3427         * fold-const.c (operand_equal_p): For hash verification,
3428         or in OEP_HASH_CHECK into flags.
3430 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3432         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3433         comment.
3434         (compute_samebase_partition_bases): Fix typo.
3436 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3438         * config/i386/sse.md (vec_interleave_highv8sf,
3439         vec_interleave_lowv8sf, vec_interleave_highv4df,
3440         vec_interleave_lowv4df): Remove constraints from expanders.
3442         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3444 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3446         * tree-inline.c (expand_call_inline): Fix path dealing with
3447         making lhs of call statement undefined.
3449 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3451         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3452         Check availability on NODE, too.
3453         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3454         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3455         (varpool_node::call_for_symbol_and_aliase): Likewise.
3456         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3457         (propagate_pure_const): Propagate across interposable functions, too.
3458         (skip_function_for_local_pure_const): Do not skip interposable bodies
3459         with aliases.
3460         (pass_local_pure_const::execute): Update.
3462 2016-05-04  Marek Polacek  <polacek@redhat.com>
3464         * doc/invoke.texi: Document -Wdangling-else.
3466 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3468         * config.gcc: Error out when conflicting multilib is detected.  Do not
3469         loop over multilibs since no combination is legal.
3471 2016-05-04  Alan Modra  <amodra@gmail.com>
3473         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3474         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3475         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3476         Align .toc.
3478 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3480         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3481         Clean up p5600 comments.
3483 2016-05-04  Richard Biener  <rguenther@suse.de>
3485         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3486         constructor simplifications.
3487         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3489 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3491         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3492         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3493         result.set_rtx is null instead of aborting.
3494         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3495         Always enable.
3496         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3497         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3498         *mov<mode>_store_postinc): New patterns.
3500 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3502         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3503         as commutative.  Check both conversions are NOP.
3504         ((A & B) OP (C & B)): Remove.
3506 2016-05-04  Alan Modra  <amodra@gmail.com>
3508         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3510 2016-05-04  Alan Modra  <amodra@gmail.com>
3512         PR target/70866
3513         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3514         when cr2,3,4 are all fixed regs.
3516 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3518         PR rtl-optimization/57193
3519         * opts.c (default_options_table): Revert OPT_frename_registers change.
3520         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3522 2016-05-03  Martin Sebor  <msebor@redhat.com>
3524         PR c++/66561
3525         * builtins.c (fold_builtin_FILE): New function.
3526         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3527         (fold_builtin_0): Call them.
3528         * gimplify.c (gimplify_call_expr): Remove the handling of
3529         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3531         PR c++/66561
3532         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3533         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3534         constants.
3536         PR c++/66639
3537         * doc/extend.texi (Function Names as Strings): Update __func__,
3538         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3539         constants.
3541 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3542             Richard Biener  <rguenther@suse.de>
3544         PR tree-optimization/70916
3545         * tree-if-conv.c: Include cfganal.h.
3546         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3547         and remove_fake_exit_edges around the optimization pass.
3549 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3551         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3552         (cgraph_edge::make_direct): Likewise.
3553         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3554         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3555         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3556         (CIF_THUNK): New code.
3557         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3558         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3559         (compute_inline_parameters): Set inline_failed for thunks.
3560         (inline_analyze_function): Cleanup.
3561         * ipa-inline.c (can_inline_edge_p): Do not deal with
3562         call_stmt_cannot_inline_p.
3563         (can_early_inline_edge_p): Likewise.
3564         (early_inliner): Initialize inline_failed.
3565         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3567 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3569         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3570         from nonimm_ssenomem_operand.
3571         (nonimm_ssenomem_operand): New predicate.
3572         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3573         as operand 0 predicate.
3574         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3575         Disable unsupported alternatives using "enabled" attribute.
3576         Use register_ssemem_operand as operand 0 predicate.
3577         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3579 2016-05-03  Marek Polacek  <polacek@redhat.com>
3581         PR c/70859
3582         * input.c (expansion_point_location): New function.
3583         * input.h (expansion_point_location): Declare.
3585 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3587         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3588         occurence with frame_offset_ ones.
3590 2016-05-03  Alan Modra  <amodra@gmail.com>
3592         PR rtl-optimization/70890
3593         * ira.c (combine_and_move_insns): When moving def_insn, remove
3594         equivs on use_insn.
3596 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3598         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3599         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3600         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3601         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3603 2016-05-03  Alan Modra  <amodra@gmail.com>
3605         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3606         for SAVE_MULTIPLE/STORE_MULTIPLE.
3608 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3610         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3611         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3613 2016-05-03  Richard Biener  <rguenther@suse.de>
3615         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3616         default true.
3617         (gimplify_arg): Likewise.
3618         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3619         re-writing the result to a decl if required.
3620         (internal_get_tmp_var): Add allow_ssa parameter
3621         and override into_ssa with it.
3622         (get_formal_tmp_var): Adjust.
3623         (get_initialized_tmp_var): Add allow_ssa parameter.
3624         (gimplify_arg): Add allow_ssa parameter and avoid generating
3625         SSA names for the result false.
3626         (gimplify_call_expr): If the call may return twice do not
3627         gimplify parameters into SSA.
3628         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3629         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3630         with a SSA name LHS adjust its def.
3631         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3632         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3633         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3634         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3635         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3636         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3637         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3638         (optimize_target_teams): Do not allow SSA names for clause operands.
3639         (gimplify_expr): Likewise for where we mark the result addressable.
3640         * passes.def (pass_init_datastructures): Remove.
3641         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3642         (rewrite_stmt): Likewise.
3643         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3644         (replace_locals_op): Replace SSA names.
3645         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3646         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3647         * cgraph.c (release_function_body): Free CFG annotations only
3648         when we have a CFG.  Simplify.
3649         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3650         force_gimple_operand instead of get_initialized_tmp_var.
3651         * tree-pass.h (make_pass_init_datastructures): Remove.
3652         * tree-ssa.c (execute_init_datastructures): Remove.
3653         (pass_data_init_datastructures): Likewise.
3654         (class pass_init_datastructures): Likewise.
3655         (make_pass_init_datastructures): Likewise.
3656         * omp-low.c (create_omp_child_function): Init SSA data structures.
3657         (grid_expand_target_grid_body): Likewise.
3658         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3659         name before adding it to names_to_release.
3660         (remove_bb): Always release SSA defs.
3661         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3662         before dereferencing it.
3663         * cgraphunit.c (init_lowered_empty_function): Always
3664         int SSA data structures.
3665         * tree-ssanames.c (release_defs): Remove assert that we are in
3666         SSA form.
3667         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3669 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3670             Uros Bizjak  <ubizjak@gmail.com>
3672         PR rtl-optimization/70467
3673         * config/i386/predicates.md (x86_64_hilo_int_operand,
3674         x86_64_hilo_general_operand): New predicates.
3675         * config/i386/constraints.md (Wd): New constraint.
3676         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3677         (general_hilo_operand): New mode attr.
3678         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3679         instead of <general_operand>.
3680         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3681         x86_64_hilo_general_operand instead of <general_operand>.
3683 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3685         PR tree-optimization/70916
3686         * tree-if-conv.c (constant_or_ssa_name): Removed.
3687         (fold_build_cond_expr): Use is_gimple_val instead of
3688         constant_or_ssa_name.
3690         PR tree-optimization/70916
3691         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3692         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3694         PR target/49244
3695         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3696         (optimize_atomic_bit_test_and): New function.
3697         (pass_fold_builtins::execute): Use it.
3698         * optabs.def (atomic_bit_test_and_set_optab,
3699         atomic_bit_test_and_complement_optab,
3700         atomic_bit_test_and_reset_optab): New optabs.
3701         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3702         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3703         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3704         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3705         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3706         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3707         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3708         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3709         atomic_bit_test_and_complement@var{mode},
3710         atomic_bit_test_and_reset@var{mode}): Document.
3711         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3712         atomic_bit_test_and_complement<mode>,
3713         atomic_bit_test_and_reset<mode>): New expanders.
3714         (atomic_bit_test_and_set<mode>_1,
3715         atomic_bit_test_and_complement<mode>_1,
3716         atomic_bit_test_and_reset<mode>_1): New insns.
3718 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3720         PR rtl-optimization/70687
3721         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3722         instead of unsigned HOST_WIDE_INT.
3724 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3726         PR rtl-optimization/44281
3727         * hard-reg-set.h (struct target_hard_regs): New field
3728         x_fixed_nonglobal_reg_set.
3729         (fixed_nonglobal_reg_set): New macro.
3730         * reginfo.c (init_reg_sets_1): Initialize it.
3731         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3732         of fixed_reg_set.
3733         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3735 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3737         PR tree-optimization/56541
3738         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3739         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3740         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3741         (any_complicated_phi): new static variable.
3742         (aggressive_if_conv): delete.
3743         (if_convertible_phi_p): support phis with more than two arguments.
3744         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3745         critical pred edges.
3746         (ifcvt_split_critical_edges): support phis with more than two
3747         arguments by checking new parameter.  only split critical edges
3748         if needed.
3749         (tree_if_conversion): handle simd pragma marked loop using new
3750         local variable aggressive_if_conv.  check any_complicated_phi.
3752 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3754         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
3755         before using it.
3757 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3759         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
3760         cbase.
3762 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
3764         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
3765         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
3766         define_insn_and_split.
3767         (mulsi3_i): New define_insn_and_split.
3768         (mulsi3_call): Convert to define_insn.
3769         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
3770         Remove constraints.
3772 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3774         * machmode.h (mode_complex): Add support to give the complex mode
3775         for a given mode.
3776         (GET_MODE_COMPLEX_MODE): Likewise.
3777         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3778         stored by build_complex_type and gfc_build_complex_type instead of
3779         trying to figure out the appropriate mode based on the size. Raise
3780         an assertion error, if the type was not set.
3781         * genmodes.c (struct mode_data): Add field for the complex type of
3782         the given type.
3783         (blank_mode): Likewise.
3784         (make_complex_modes): Remember the complex mode created in the
3785         base type.
3786         (emit_mode_complex): Write out the mode_complex array to map a
3787         type mode to the complex version.
3788         (emit_insn_modes_c): Likewise.
3789         * tree.c (build_complex_type): Set the complex type to use before
3790         calling layout_type.
3791         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
3792         support for __float128 complex datatypes.
3793         (rs6000_hard_regno_mode_ok): Likewise.
3794         (rs6000_setup_reg_addr_masks): Likewise.
3795         (rs6000_complex_function_value): Likewise.
3796         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
3797         __float128 and __ibm128 complex.
3798         (FLOAT128_IBM_P): Likewise.
3799         (ALTIVEC_ARG_MAX_RETURN): Likewise.
3800         * doc/extend.texi (Additional Floating Types): Document that
3801         -mfloat128 must be used to enable __float128.  Document complex
3802         __float128 and __ibm128 support.
3804 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
3806         PR target/49244
3807         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
3808         char/short arguments promoted to int because of promote_prototypes.
3810 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
3812         * config/i386/predicates.md (register_ssemem_operand): New predicate.
3813         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
3814         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
3815         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
3816         alternatives using "enabled" attribute.  Use register_ssemem_operand
3817         as operand 1 predicate.
3818         (*cmpi<unord>xf_i387): Split XFmode pattern from
3819         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
3820         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
3821         *absneg<mode>2_i387.  Disable unsupported alternatives using
3822         "enabled" attribute.
3823         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
3825 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3827         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
3828         marker.
3829         (oacc_loop_process): Check mask for loop termination.
3831 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3833         * cif-code.def (CIF_THUNK): Add.
3834         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
3835         accidental change.
3837 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3839         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
3840         (dump_inline_summary): Dump it.
3841         (fp_expression_p): New predicate.
3842         (estimate_function_body_sizes): Use it.
3843         (inline_merge_summary): Merge fp_expressions.
3844         (inline_read_section): Read fp_expressions.
3845         (inline_write_summary): Write fp_expressions.
3846         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
3847         codegen boundary if either caller or callee is !fp_expressions.
3848         * ipa-inline.h (inline_summary): Add fp_expressions.
3849         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
3850         to fp_expressions be sure the fp generation flags are updated.
3852 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
3854         PR rtl-optimization/70467
3855         * cse.c (cse_insn): Handle no-op MEM moves after folding.
3857         PR rtl-optimization/70467
3858         * ipa-pure-const.c (check_call): Handle internal calls even in
3859         ipa mode like in local mode.
3861 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3863         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
3865 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
3867         * match.pd (X u< X, X u> X): New transformations.
3869 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
3871         * flag-types.h (enum warn_strict_overflow_code): Move ...
3872         * coretypes.h: ... here.
3873         * fold-const.h (fold_overflow_warning): Declare.
3874         * fold-const.c (fold_overflow_warning): Make non-static.
3875         (fold_comparison): Move the transformation of X +- C1 CMP C2
3876         into X CMP C2 -+ C1 ...
3877         * match.pd: ... here.
3878         * gimple-fold.c (fold_stmt_1): Protect with
3879         fold_defer_overflow_warnings.
3881 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3883         * omp-low.c (struct oacc_loop): Add 'inner' field.
3884         (new_oacc_loop_raw): Initialize it to zero.
3885         (oacc_loop_fixed_partitions): Initialize it.
3886         (oacc_loop_auto_partitions): Partition outermost loop to outermost
3887         available partitioning.
3889 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3891         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
3892         register_operand.
3893         (umulsidi3): Likewise.
3894         (indirect_jump): Fix jump instruction assembly patterns.
3896 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
3898         PR target/70860
3899         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
3900         (nvptx_function_value): Assert non-NULL cfun.
3902 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3904         PR rtl-optimization/70886
3905         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
3907         * cselib.h (rtx_equal_for_cselib_1): Declare.
3908         (rtx_equal_for_cselib_p: New inline function.
3909         * cselib.c (rtx_equal_for_cselib_p): Delete.
3910         (rtx_equal_for_cselib_1): Make public.
3912 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
3914         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
3915         (register_mixssei387nonimm_operand): Remove predicate.
3916         * config/i386/i386.md (*fop_<mode>_comm): Merge from
3917         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
3918         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
3919         for TARGET_MIX_SSE_I387 alternatives.
3920         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
3921         Disable unsupported alternatives using "enabled" attribute.  Use
3922         nonimm_ssenomem_operand as operand 1 predicate.  Also check
3923         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
3925 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3927         * tree.c (cst_and_fits_in_hwi): Simplify.
3929 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3931         * tree.h (wi::to_wide): New function.
3932         * expr.c (expand_expr_real_1): Use wi::to_wide.
3933         * fold-const.c (int_const_binop_1): Likewise.
3934         (extract_muldiv_1): Likewise.
3936 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3938         * wide-int.h: Update offset_int and widest_int documentation.
3939         (WI_SIGNED_SHIFT_RESULT): New macro.
3940         (wi::binary_shift): Define signed_shift_result_type for
3941         shifts on offset_int- and widest_int-like types.
3942         (generic_wide_int): Support <<= and >>= if << and >> are supported.
3943         * tree.h (int_bit_position): Use shift operators instead of wi::
3944          shifts.
3945         * alias.c (adjust_offset_for_component_ref): Likewise.
3946         * expr.c (get_inner_reference): Likewise.
3947         * fold-const.c (fold_comparison): Likewise.
3948         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
3949         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
3950         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3951         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
3952         (stmt_kills_ref_p): Likewise.
3953         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
3954         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
3955         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3956         (ao_ref_init_from_vn_reference): Likewise.
3958 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3960         * wide-int.h: Update offset_int and widest_int documentation.
3961         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
3962         (wi::binary_traits): Allow ordered comparisons between offset_int and
3963         offset_int, between widest_int and widest_int, and between either
3964         of these types and basic C types.
3965         (operator <, <=, >, >=): Define for the same combinations.
3966         * tree.h (tree_int_cst_lt): Use comparison operators instead
3967         of wi:: comparisons.
3968         (tree_int_cst_le): Likewise.
3969         * gimple-fold.c (fold_array_ctor_reference): Likewise.
3970         (fold_nonarray_ctor_reference): Likewise.
3971         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
3972         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
3973         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
3974         * tree-sra.c (completely_scalarize): Likewise.
3975         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
3976         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
3977         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
3978         (check_for_binary_op_overflow): Likewise.
3979         (search_for_addr_array): Likewise.
3980         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
3982 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3984         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
3985         (arc_save_restore): Likewise.
3986         (arc_dwarf_register_span): Likewise.
3987         (arc_output_pic_addr_const): Initialize suffix variable.
3989 2016-05-02  Martin Liska  <mliska@suse.cz>
3991         * symbol-summary.h (function_summary::function_summary):
3992         Remove checking assert for all cgraph nodes.
3993         (function_summary::get): Check summary_uid.
3994         (symtab_insertion): Check summary_uid.
3996 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3998         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
3999         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4000         bmaskn instruction.
4001         (arc_dwarf_register_span): Remove enum keyword.
4002         (compact_memory_operand_p): New function.
4003         * config/arc/arc.h (reg_class): Add code density register classes.
4004         (REG_CLASS_NAMES): Likewise.
4005         (REG_CLASS_CONTENTS): Likewise.
4006         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4007         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4008         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4009         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4010         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4011         constraints.
4012         (h, Rcd, Rsd, Rzd): New register constraints.
4013         (T): Use compact_memory_operand_p function.
4014         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4016 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4018         * config/sh/sh.md (*negnegt, *movtt): Remove.
4020 2016-05-02  Marek Polacek  <polacek@redhat.com>
4021             Tom de Vries  <tom@codesourcery.com>
4023         PR tree-optimization/70700
4024         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4025         bigger than FIRST_REF_NODE.
4027 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4029         PR target/52898
4030         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4031         TARGET_CMPEQDI_T.
4032         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4033         function is used when pseudos can be created.
4034         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4035         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4036         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4037         define_expand.  Allow it only when pseudos can be created.
4038         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4040 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4042         * config/i386/constraints.md (BC): Only allow -1 operands.
4043         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4044         Add "enabled" attribute.  Update XI mode attribute calculation.
4045         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4046         (*movoi_internal_avx): Update XI mode attribute calculation.
4047         (*movti_internal): Ditto.
4049 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4051         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4052         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4054 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4056         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4057         statement on instruction code.  Remove trailing spaces.
4058         (altivec_expand_stv_builtin): Likewise.
4060 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4062         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4063         (TARGET_FPU_DOUBLE): Simplify.
4064         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4065         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4066         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4067         with 'TARGET_FPU_DOUBLE'.
4068         * config/sh/sh.md: Likewise.
4070 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4072         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4073         SH_DIV_STR_FOR_SIZE): Remove.
4074         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4075         SH_DIV_STR_FOR_SIZE): Remove.
4077 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4079         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4080         logical_reg_operand): Delete.
4081         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4082         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4083         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4084         match_operand and match_test.
4085         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4086         variables on their first use.  Return bool values.
4087         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4088         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4089         arith_reg_operand for input operand.  Remove empty constraints.
4090         (xorsi3): Delete.
4091         (*xorsi3_compact): Rename to xorsi3.
4092         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4093         (*zero_extend<mode>si2_disp_mem): Update comment.
4094         (mov_nop): Delete.
4096 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4098         * config/sh/t-sh: Remove SH5 support.
4099         * config.gcc: Likewise.
4100         * configure: Likewise.
4102 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4104         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4106 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4108         * config/sh/sh.c (register_sh_passes, sh_option_override,
4109         sh_print_operand, prepare_move_operands,
4110         sh_can_follow_jump): Remove TARGET_SH1 checks.
4111         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4112         PROMOTE_MODE): Likewise.
4113         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4114         movdi): Likewise.
4116 2016-04-30  Alan Modra  <amodra@gmail.com>
4118         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4119         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4120         Check for user regs later to avoid unnecessary looping over regs.
4121         Merge user reg check with non-saved reg check.  Don't force
4122         inline VR restore when static chain used.
4123         (rs6000_frame_related): Omit eh_frame info for user regs when
4124         saving.
4125         (fixed_regs_p): Delete.
4127 2016-04-30  Alan Modra  <amodra@gmail.com>
4129         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4130         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4131         Update all uses.
4133 2016-04-30  Alan Modra  <amodra@gmail.com>
4135         PR target/69645
4136         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4137         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4138         Update all uses.
4140 2016-04-30  Alan Modra  <amodra@gmail.com>
4142         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4143         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4144         flag_pic test for Darwin.
4146 2016-04-30  Alan Modra  <amodra@gmail.com>
4148         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4149         throw_calls_crossed.
4150         (REG_FREQ_CALLS_CROSSED): Delete.
4151         (REG_N_THROWING_CALLS_CROSSED): Delete.
4152         * regstat.c (regstat_bb_compute_ri): Don't calculate
4153         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4154         (dump_reg_info): Don't print call cross frequency.
4155         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4156         and REG_N_THROWING_CALLS_CROSSED.
4158 2016-04-30  Alan Modra  <amodra@gmail.com>
4160         * regs.h (struct reg_info_t): Delete live_length.
4161         (REG_LIVE_LENGTH): Delete macro.
4162         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4163         local_live, local_processed and local_live_last_luid params.
4164         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4165         Formatting fixes.
4166         (regstat_compute_ri): Adjust for above.  Don't set
4167         REG_LIVE_LENGTH.
4168         (dump_reg_info): Don't print live length.
4169         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4170         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4171         Localize loop_depth var.
4173 2016-04-30  Alan Modra  <amodra@gmail.com>
4175         * ira.c (enum valid_equiv): New.
4176         (validate_equiv_mem): Return enum.
4177         (update_equiv_mem): Create replacement in more cases.
4178         (add_store_equivs): Update validate_equiv_mem call.
4180 2016-04-30  Alan Modra  <amodra@gmail.com>
4182         * ira.c (combine_and_move_insns): Rather than scanning insns,
4183         use DF infrastucture to find use and def insns.
4185 2016-04-30  Alan Modra  <amodra@gmail.com>
4187         ira.c (combine_and_move_insns): Move invariant conditions..
4188         (ira.c): ..to here.  Call combine_and_move_insns before
4189         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4190         req_equiv later using max_reg_num() rather than global max_regno.
4191         (contains_replace_regs): Delete.
4192         (add_store_equivs): Remove contains_replace_regs test.
4194 2016-04-30  Alan Modra  <amodra@gmail.com>
4196         * ira.c (struct equiv_mem_data): New.
4197         (equiv_mem, equiv_mem_modified): Delete static vars.
4198         (validate_equiv_mem_from_store): Use "data" param to communicate..
4199         (validate_equiv_mem): ..from here.
4201 2016-04-30  Alan Modra  <amodra@gmail.com>
4203         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4204         split out from..
4205         (update_reg_equivs): ..here.  Move allocation and freeing of
4206         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4207         end_alias_analysis to..
4208         (ira): ..here.
4210 2016-04-30  Alan Modra  <amodra@gmail.com>
4212         * ira.c (pdx_subregs): Delete.
4213         (struct equivalence): Add pdx_subregs field.
4214         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4215         pdx_subregs access.
4216         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4217         pdx_subregs access.
4219 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4221         * config/rs6000/altivec.h: Change definitions of vec_xl and
4222         vec_xst.
4223         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4224         (LD_ELEMREV_V2DI): New.
4225         (LD_ELEMREV_V4SF): New.
4226         (LD_ELEMREV_V4SI): New.
4227         (LD_ELEMREV_V8HI): New.
4228         (LD_ELEMREV_V16QI): New.
4229         (ST_ELEMREV_V2DF): New.
4230         (ST_ELEMREV_V2DI): New.
4231         (ST_ELEMREV_V4SF): New.
4232         (ST_ELEMREV_V4SI): New.
4233         (ST_ELEMREV_V8HI): New.
4234         (ST_ELEMREV_V16QI): New.
4235         (XL): New.
4236         (XST): New.
4237         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4238         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4239         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4240         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4241         (altivec_expand_builtin): Add handling for
4242         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4243         (rs6000_invalid_builtin): Add error-checking for
4244         RS6000_BTM_P9_VECTOR.
4245         (altivec_init_builtins): Define builtins used to implement vec_xl
4246         and vec_xst.
4247         (rs6000_builtin_mask_names): Define power9-vector.
4248         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4249         (RS6000_BTM_P9_VECTOR): Define.
4250         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4251         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4252         (vsx_ld_elemrev_v2df): Likewise.
4253         (vsx_ld_elemrev_v4sf): Likewise.
4254         (vsx_ld_elemrev_v4si): Likewise.
4255         (vsx_ld_elemrev_v8hi): Likewise.
4256         (vsx_ld_elemrev_v16qi): Likewise.
4257         (vsx_st_elemrev_v2df): Likewise.
4258         (vsx_st_elemrev_v2di): Likewise.
4259         (vsx_st_elemrev_v4sf): Likewise.
4260         (vsx_st_elemrev_v4si): Likewise.
4261         (vsx_st_elemrev_v8hi): Likewise.
4262         (vsx_st_elemrev_v16qi): Likewise.
4263         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4264         grammar.
4266 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4268         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4269         out into ...
4270         (simplify_control_stmt_condition_1): ... here.  Recurse into
4271         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4273 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4275         PR target/69810
4276         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4277         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4278         define_insn_and_split to define_insn.
4279         (zero_extendqi<mode>2_dot2): Same.
4280         (extendqi<mode>2_dot): Same.
4281         (extendqi<mode>2_dot2): Same.
4283 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4285         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4286         (probe_stack): New expander.
4287         (probe_stack_<mode>): New insn pattern.
4289 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4291         * config/i386/i386.md
4292         (operations with memory inputs setting flags peephole2):
4293         Remove uneeded REG_P checks.  Cleanup pattern generation.
4295 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4297         * tree-vect-loop.c (vect_transform_loop): Fix
4298         nb_iterations_upper_bound computation for vectorized loop.
4300 2016-04-29  Marek Polacek  <polacek@redhat.com>
4301             Jakub Jelinek  <jakub@redhat.com>
4303         PR sanitizer/70342
4304         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4305         TARGET_EXPR_SLOT as a base.
4307 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4309         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4310         with 'rCm2' constraints to limit possible immediate size.
4311         (*load_zeroextendqisi_update): Likewise.
4312         (*load_signextendqisi_update): Likewise.
4313         (*loadhi_update): Likewise.
4314         (*load_zeroextendhisi_update): Likewise.
4315         (*load_signextendhisi_update): Likewise.
4316         (*loadsi_update): Likewise.
4317         (*loadsf_update): Likewise.
4319 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4321         * config/i386/predicates.md (constm1_operand): Fix comparison.
4323 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4325         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4327 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4329         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4330         remaining SH5 related settings.
4331         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4332         shmedia_prepare_call_address): Delete.
4333         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4334         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4335         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4336         UNSUPPORTED_SH2A): Remove m5 checks.
4337         (sh_divide_strategy_e): Remove SH5 division strategies.
4338         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4339         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4341 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4343         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4345 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4347         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4348         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4349         Change lder to ldr.
4350         * config/s390/vector.md ("mov<mode>"): Likewise.
4352 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4354         * config/s390/constraints.md ("U", "W"): Invoke
4355         s390_mem_constraint with "ZR" and "ZT".
4356         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4357         addresses when using LRA.  Accept also short displacements for S
4358         and T constraints.  Do not check for long displacement target for
4359         S and T constraints.
4360         (s390_mem_constraint): Remove handling of U and W constraints.
4361         * config/s390/s390.md (various patterns): Remove the short
4362         displacement constraints (Q and R) if a long displacement
4363         constraint is present.  Add longdisp as required CPU capability.
4364         * config/s390/vector.md: Likewise.
4365         * config/s390/vx-builtins.md: Likewise.
4367 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4369         PR target/60040
4370         * reload1.c (reload): Call finish_spills before
4371         restarting reload loop. Skip select_reload_regs
4372         if update_eliminables_and_spill returns true.
4374 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4376         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4377         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4378         (umulhisi3_imm): Update predicates and constraint letters.
4379         (umulhisi3_reg): Declare instruction as commutative.
4380         * config/arc/constraints.md (J12, J16): New constraints.
4381         * config/arc/predicates.md (short_unsigned_const_operand): New
4382         predicate.
4383         (arc_short_operand): Likewise.
4384         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4386 2016-04-29  Richard Biener  <rguenther@suse.de>
4388         PR tree-optimization/13962
4389         PR tree-optimization/65686
4390         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4391         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4392         using PTA to compare pointers.
4393         * match.pd: Add pattern for pointer equality compare simplification
4394         using ptrs_compare_unequal.
4396 2016-04-29  Richard Biener  <rguenther@suse.de>
4398         * stor-layout.c (layout_type): Do not build a pointer-to-element
4399         type for arrays.
4401 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4403         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4404         Use SWI mode iterator.  Use general_reg_operand predicate.
4405         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4406         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4407         predicates.
4409 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4411         PR middle-end/70843
4412         * fold-const.c (operand_equal_p): Don't verify hash value equality
4413         if arg0 == arg1.
4414         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4415         and OMP_CLAUSE.
4417 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4419         PR target/70858
4420         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4421         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4422         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4423         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4424         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4426 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4428         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4429         to info.  Don't initialize separate fields to 0.  Clean up
4430         formatting a bit.
4432 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4434         * config/i386/i386.md (peephole2s for operations with memory inputs):
4435         Use SWI mode iterator.
4436         (peephole2s for operations with memory outputs): Ditto.
4437         Do not check for stack checking probe.
4439         (probe_stack): Remove expander.
4441 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4442             Andrew Burgess  <andrew.burgess@embecosm.com>
4444         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4445         operands as 32-bits.
4447 2016-04-28  Jason Merrill  <jason@redhat.com>
4449         * gdbinit.in: Skip line-map.h.
4451 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4452             Andrew Burgess  <andrew.burgess@embecosm.com>
4454         * config/arc/arc.c (arc_conditional_register_usage): Take
4455         TARGET_RRQ_CLASS into account.
4456         (arc_print_operand): Support printing 'p' and 's' operands.
4457         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4458         as 0.
4459         (TARGET_RRQ_CLASS): Define.
4460         (IS_POWEROF2_OR_0_P): Define.
4461         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4462         alternatives.
4463         (*tst_movb): New define_insn.
4464         (*tst): Avoid recognition if it could prevent '*tst_movb'
4465         combination; replace c/CnL with c/Chs alternative.
4466         (*tst_bitfield_tst): New define_insn.
4467         (*tst_bitfield_asr): New define_insn.
4468         (*tst_bitfield): New define_insn.
4469         (andsi3_i): Add Rrq variant.
4470         (extzv): New define_expand.
4471         (insv): New define_expand.
4472         (*insv_i): New define_insn.
4473         (*movb): New define_insn.
4474         (*movb_signed): New define_insn.
4475         (*movb_high): New define_insn.
4476         (*movb_high_signed): New define_insn.
4477         (*movb_high_signed + 1): New define_split pattern.
4478         (*mrgb): New define_insn.
4479         (*mrgb + 1): New define_peephole2 pattern.
4480         (*mrgb + 2): New define_peephole2 pattern.
4481         * config/arc/arc.opt (mbitops): New option for nps400, uses
4482         TARGET_NPS_BITOPS_DEFAULT.
4483         * config/arc/constraints.md (q): Make register class conditional.
4484         (Rrq): New register constraint.
4485         (Chs): New constraint.
4486         (Clo): New constraint.
4487         (Chi): New constraint.
4488         (Cbf): New constraint.
4489         (Cbn): New constraint.
4490         (C18): New constraint.
4491         (Cbi): New constraint.
4493 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4495         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4496         dst->popcount.
4497         (bitmap_intersection_of_preds): Ditto.
4498         (bitmap_union_of_succs): Ditto.
4499         (bitmap_union_of_preds): Ditto.
4500         * sbitmap.c (do_popcount): Delete.
4501         (BITMAP_DEBUGGING): Delete.
4502         (sbitmap_verify_popcount): Delete.
4503         (sbitmap_alloc): Don't initialize the popcount field.
4504         (sbitmap_alloc_with_popcount): Delete.
4505         (sbitmap_resize): Don't resize the popcount array.
4506         (sbitmap_vector_alloc): Don't initialize the popcount field.
4507         (bitmap_copy): Don't copy the popcount array.
4508         (bitmap_clear): Don't clear the popcount array.
4509         (bitmap_clear): Delete the popcount array handling.
4510         (bitmap_ior_and_compl): Delete the popcount assert.
4511         (bitmap_not): Ditto.
4512         (bitmap_and_compl): Ditto.
4513         (bitmap_and): Delete the popcount array handling.
4514         (bitmap_xor): Ditto.
4515         (bitmap_ior): Ditto.
4516         (bitmap_or_and): Delete the popcount assert.
4517         (bitmap_and_or): Ditto.
4518         (popcount_table): Delete.
4519         (sbitmap_elt_popcount): Delete.
4520         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4521         (bitmap_set_bit): Delete the popcount assert.
4522         (bitmap_clear_bit): Ditto.
4523         (sbitmap_free): Don't free the popcount array.
4524         (sbitmap_alloc_with_popcount): Delete declaration.
4525         (sbitmap_popcount): Ditto.
4527 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4528             Andrew Burgess  <andrew.burgess@embecosm.com>
4530         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4531         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4532         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4533         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4534         * config/arc/arc.opt (mcmem): New option.
4535         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4536         supply length for r/m alternative.
4537         (*extendqisi2_ac): Likewise.
4538         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4539         r/Uex alternative.
4540         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4541         (movhi_insn): Likewise.
4542         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4543         (*zero_extendqihi2_i): Add r/Ucm alternative.
4544         (*zero_extendqisi2_ac): Likewise.
4545         (*zero_extendhisi2_i): Likewise.
4546         * config/arc/constraints.md (Uex): New memory constraint.
4547         (Ucm): New define_constraint.
4548         * config/arc/predicates.md (long_immediate_loadstore_operand):
4549         Return 0 for MEM with cmem_address address.
4550         (cmem_address_0): New predicates.
4551         (cmem_address_1): Likewise.
4552         (cmem_address_2): Likewise.
4553         (cmem_address): Likewise.
4555 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4557         * config/rs6000/rs6000.c (machine_function): Rename
4558         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4559         (rs6000_stack_info): Adjust.
4561 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4562             Andrew Burgess  <andrew.burgess@embecosm.com>
4564         * config/arc/constraints.md (Usd): Convert to define_constraint.
4565         (Us<): Likewise.
4566         (Us>): Likewise.
4568 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4570         PR target/70821
4571         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4572         Add new peephole2 where the first insn is *mov<mode>_or instead of
4573         *mov<mode>_internal.
4575 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4577         * tracer.c (bb_seen): Make static.
4579 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4581         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4582         support, setup defaults.
4583         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4584         * config/arc/arc.c (arc_init): Add NPS400 support.
4585         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4586         (TARGET_ARC700): NPS400 is also an ARC700.
4587         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4589 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4591         PR target/70668
4592         * config/nds32/nds32.md (casesi): Don't access the operands array
4593         out of bounds.
4595 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4597         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4598         (or $-1,reg peephole2): Ditto.
4599         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4601 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4603         * doc/extend.texi (Common Function Attributes) [optimize]:
4604         Discourage use of the optimize attribute.
4606 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4608         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4609         special case builtin.
4610         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4611         ALTIVEC_BUILTIN_VEC_ADDE.
4612         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4613         support for ALTIVEC_BUILTIN_VEC_ADDE.
4614         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4615         for __builtin_vec_adde.
4617 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4619         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4620         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4622 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4624         PR testsuite/70595
4625         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4626         attributes): Document cilkplus_runtime.
4628 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4630         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4631         this function.  Call verify_expr on MEM_REFs and bases of other
4632         handled_components.
4634 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4636         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4637         for WORD_REGISTER_OPERATIONS to runtime check.
4639 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4641         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4643 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4645         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4646         big-endian compilation.
4647         * config/arc/arc.md (addf3): Likewise.
4648         (subdf3): Likewise.
4649         (muldf3): Likewise.
4651 2016-04-28  Richard Biener  <rguenther@suse.de>
4653         PR tree-optimization/70840
4654         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4655         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4656         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4657         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4659 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4661         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4662         and explain why in a comment.
4664 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4666         * config/arc/arc.md (cpu_facility): Add fpx variant.
4667         (subdf3): Prohibit use reverse sub when assist operations option
4668         is enabled.
4669         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4670         instructions only when FPX is enabled.
4671         * testsuite/gcc.target/arc/trsub.c: New test.
4673 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4675         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4676         mult_operator when calculating "type" attribute.
4677         (*fop_<mode>_1_i387): Ditto.
4678         (*fop_xf_1_i387): Ditto.
4679         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4680         Use std::swap to swap operands.  Use RTL expressions to generate
4681         converted pattern.
4683 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4684             Joern Rennecke  <joern.rennecke@embecosm.com>
4686         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4687         declaration.
4688         (emit_pic_move): Remove.
4689         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4690         * config/arc/arc.c (emit_pic_move): Removed.
4691         (TARGET_HAVE_TLS): Define.
4692         (arc_conditional_register_usage): Test for arc_tp_regno.
4693         (arc_print_operand, arc_print_operand_address): Handle TLS
4694         unspecs.
4695         (arc_needs_pcl_p): New function.
4696         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4697         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4698         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4699         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4700         (arc_legitimize_tls_address): Likewise.
4701         (DTPOFF_ZERO_SYM): Define.
4702         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4703         (arc_output_pic_addr_const): Print TLS unspecs.
4704         (prepare_pic_move): New function, replaces emit_pic_move.
4705         (arc_legitimate_constant_p): Handle TLS unspecs.
4706         (arc_legitimate_address_p): Likewise.
4707         (arc_rewrite_small_data_p): Use assert for TLS constants.
4708         (prepare_move_operands): Use prepare_pic_move.
4709         (arc_legitimize_address): Legitimize tls addresses.
4710         (arc_epilogue_uses): Check for arc_tp_regno.
4711         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4712         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4713         Define.
4714         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4715         Likewise.
4716         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4717         %(arc_tls_extra_start_spec).
4718         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4719         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4720         (EH_USES): Define.
4721         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4722         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4723         (UNSPEC_TLS_OFF): Add.
4724         (R10_REG): Define.
4725         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4726         (get_thread_pointersi): New patterns.
4727         * config/arc/arc.opt (mtp-regno): New option.
4728         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4729         (move_dest_operand): Likewise.
4730         * configure: Regenerate.
4731         * configure.ac: Add arc*-*-* case to test for tls.
4732         * doc/invoke.texi (ARC options): Document mtp-regno.
4734 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4736         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4737         the new ARC HS SIMD instructions.
4738         (arc_preferred_simd_mode): New function.
4739         (arc_autovectorize_vector_sizes): Likewise.
4740         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4741         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4742         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4743         (arc_init_builtins): Add new SIMD builtin types.
4744         (arc_split_move): Handle 64 bit vector moves.
4745         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4746         (TARGET_PLUS_QMACW): Define.
4747         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4748         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
4749         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
4750         (VSUBADD4H): New builtins.
4751         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
4752         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
4754 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4755             Matthias Klose  <doko@debian.org>
4757         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
4759 2016-04-28  Richard Biener  <rguenther@suse.de>
4761         PR middle-end/70777
4762         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
4763         canonicalization.
4765 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
4767         * common/config/sh/sh-common.c: Remove SH5 support.
4768         * config/sh/constraints.md: Likewise.
4769         * config/sh/config/sh/elf.h: Likewise.
4770         * config/sh/linux.h: Likewise.
4771         * config/sh/netbsd-elf.h: Likewise.
4772         * config/sh/predicates.md: Likewise.
4773         * config/sh/sh-c.c: Likewise.
4774         * config/sh/sh-protos.h: Likewise.
4775         * config/sh/sh.c: Likewise.
4776         * config/sh/sh.h: Likewise.
4777         * config/sh/sh.md: Likewise.
4778         * config/sh/sh.opt: Likewise.
4779         * config/sh/sync.md: Likewise.
4780         * config/sh/sh64.h: Delete.
4781         * config/sh/shmedia.h: Likewise.
4782         * config/sh/shmedia.md: Likewise.
4783         * config/sh/sshmedia.h: Likewise.
4784         * config/sh/t-netbsd-sh5-64: Likewise.
4785         * config/sh/t-sh64: Likewise.
4786         * config/sh/ushmedia.h: Likewise.
4788 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4790         * config/i386/i386.md (sign_extend to memory peephole2s): Use
4791         general_reg_operand instead of register_operand predicate.
4793 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4795         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
4797 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
4799         * match.pd (A - B > A, A + B < A): New transformations.
4801 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
4803         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
4804         which defaults to true.  Emit an outer pair of parentheses only if
4805         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
4806         don't emit parentheses for the right-hand operand.
4808 2016-04-27  Jeff Law  <law@redhat.com>
4810         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
4812 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4814         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
4815         (altivec_lvx_<mode>_internal): Document.
4816         (altivec_lvx_<mode>_2op): New define_insn.
4817         (altivec_lvx_<mode>_1op): Likewise.
4818         (altivec_lvx_<mode>_2op_si): Likewise.
4819         (altivec_lvx_<mode>_1op_si): Likewise.
4820         (altivec_stvx_<mode>): Remove.
4821         (altivec_stvx_<mode>_internal): Document.
4822         (altivec_stvx_<mode>_2op): New define_insn.
4823         (altivec_stvx_<mode>_1op): Likewise.
4824         (altivec_stvx_<mode>_2op_si): Likewise.
4825         (altivec_stvx_<mode>_1op_si): Likewise.
4826         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4827         Expand vec_ld and vec_st during parsing.
4828         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
4829         changes.
4830         (altivec_expand_stvx_be): Likewise.
4831         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
4832         address-masking behavior in RTL.
4833         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
4834         address-masking behavior in RTL.
4835         (altivec_expand_builtin): Change builtin code arguments for calls
4836         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
4837         (insn_is_swappable_p): Avoid incorrect swap optimization in the
4838         presence of lvx/stvx patterns.
4839         (alignment_with_canonical_addr): New function.
4840         (alignment_mask): Likewise.
4841         (find_alignment_op): Likewise.
4842         (recombine_lvx_pattern): Likewise.
4843         (recombine_stvx_pattern): Likewise.
4844         (recombine_lvx_stvx_patterns): Likewise.
4845         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
4846         stvx patterns from expand.
4847         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
4848         expansions.
4849         (vector_altivec_store_<mode>): Likewise.
4851 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
4853         * config/aarch64/aarch64.md
4854         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
4855         remove the "fp" attributes.
4856         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
4857         add the "simd" attributes.
4858         (*movdf_aarch64): Likewise.
4859         (*movtf_aarch64): Remove the "fp" attributes.
4860         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
4861         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
4863 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4865         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
4866         rtx to rtx_code_label *.
4867         * rtl.h (maybe_set_first_label_num): Likewise.
4869 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4871         * df-core.c (df_add_problem): Make the problem param be const.
4872         (df_remove_problem): Make local "problem" be const.
4873         * df-problems.c (problem_RD): Make const.
4874         (problem_LR): Likewise.
4875         (problem_LIVE): Likewise.
4876         (problem_MIR): Likewise.
4877         (problem_CHAIN): Likewise.
4878         (problem_WORD_LR): Likewise.
4879         (problem_NOTE): Likewise.
4880         (problem_MD): Likewise.
4881         * df-scan.c (problem_SCAN): Likewise.
4882         * df.h (struct df_problem): Make field "dependent_problem" be
4883         const.
4884         (struct dataflow): Likewise for field "problem".
4885         (df_add_problem): Make param const.
4887 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
4889         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
4890         inter-unit moves to/from vector registers are enabled.  Do not disable
4891         for TARGET_MMX.
4893 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4895         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
4896         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
4897         #define to...
4898         (enum df_problem_id): ...this new enum.
4899         (struct df_problem): Convert field "id" from "int" to
4900         enum df_problem_id.
4902 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4904         * rtl.def: Update comment for "things in the instruction chain" to
4905         reflect the removal of the leading "i" field for INSN_UID in
4906         r210360.  Fix bogus apostrophe.
4908 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
4910         * config/i386/i386.md
4911         (lea arith with mem operand + setcc peephole2): Set operator mode.
4913 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4915         PR target/70155
4916         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
4917         (dimode_scalar_to_vector_candidate_p): This.
4918         (timode_scalar_to_vector_candidate_p): New function.
4919         (scalar_to_vector_candidate_p): Likewise.
4920         (timode_check_non_convertible_regs): Likewise.
4921         (timode_remove_non_convertible_regs): Likewise.
4922         (remove_non_convertible_regs): Likewise.
4923         (remove_non_convertible_regs): Renamed to ...
4924         (dimode_remove_non_convertible_regs): This.
4925         (scalar_chain::~scalar_chain): Make it virtual.
4926         (scalar_chain::compute_convert_gain): Make it pure virtual.
4927         (scalar_chain::mark_dual_mode_def): Likewise.
4928         (scalar_chain::convert_insn): Likewise.
4929         (scalar_chain::convert_registers): Likewise.
4930         (scalar_chain::add_to_queue): Make it protected.
4931         (scalar_chain::emit_conversion_insns): Likewise.
4932         (scalar_chain::replace_with_subreg): Likewise.
4933         (scalar_chain::replace_with_subreg_in_insn): Likewise.
4934         (scalar_chain::convert_op): Likewise.
4935         (scalar_chain::convert_reg): Likewise.
4936         (scalar_chain::make_vector_copies): Likewise.
4937         (scalar_chain::convert_registers): New pure virtual function.
4938         (class dimode_scalar_chain): New class.
4939         (class timode_scalar_chain): Likewise.
4940         (scalar_chain::mark_dual_mode_def): Renamed to ...
4941         (dimode_scalar_chain::mark_dual_mode_def): This.
4942         (timode_scalar_chain::mark_dual_mode_def): New function.
4943         (timode_scalar_chain::convert_insn): Likewise.
4944         (dimode_scalar_chain::convert_registers): Likewise.
4945         (scalar_chain::compute_convert_gain): Renamed to ...
4946         (dimode_scalar_chain::compute_convert_gain): This.
4947         (scalar_chain::replace_with_subreg): Renamed to ...
4948         (dimode_scalar_chain::replace_with_subreg): This.
4949         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
4950         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
4951         (scalar_chain::make_vector_copies): Renamed to ...
4952         (dimode_scalar_chain::make_vector_copies): This.
4953         (scalar_chain::convert_reg): Renamed to ...
4954         (dimode_scalar_chain::convert_reg ): This.
4955         (scalar_chain::convert_op): Renamed to ...
4956         (dimode_scalar_chain::convert_op): This.
4957         (scalar_chain::convert_insn): Renamed to ...
4958         (dimode_scalar_chain::convert_insn): This.
4959         (scalar_chain::convert): Call convert_registers.
4960         (convert_scalars_to_vector): Change to scalar_chain pointer to
4961         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
4962         in 32-bit mode.  Delete scalar_chain pointer.  Call
4963         free_dominance_info in 64-bit mode.
4964         (pass_stv::gate): Remove TARGET_64BIT check.
4965         (ix86_option_override): Put the 64-bit STV pass before the CSE
4966         pass.
4968 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
4970         * dwarf2out.h (struct dw_loc_descr_node): Remove the
4971         dw_loc_frame_offset field.
4972         * dwarf2out.c (new_loc_descr): Likewise.
4973         (resolve_args_picking_1): Turn the VISITED hash set into a
4974         FRAME_OFFSET hash map. Use it to associate a frame offset to
4975         visited nodes. Remove uses of the CHECKING_P macro.
4976         (resolve_args_picking): Update call to resolve_args_picking_1.
4978 2016-04-27  Martin Liska  <mliska@suse.cz>
4980         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
4981         (free_loop_data): Release vuses of groups.
4983 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
4985         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
4986         instead of redundant use_id and boolean have_use_for.
4987         (struct iv_use): Change sub_id into group_id.  Remove field next.
4988         Move fields: related_cands, n_map_members, cost_map and selected
4989         to ...
4990         (struct iv_group): ... here.  New structure.
4991         (struct iv_common_cand): Use structure declaration directly.
4992         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
4993         (MAX_CONSIDERED_USES): Rename macro to ...
4994         (MAX_CONSIDERED_GROUPS): ... here.
4995         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
4996         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
4997         (dump_uses): Rename to ...
4998         (dump_groups): ... here.  Update all uses.
4999         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5000         (find_induction_variables): Refactor format of dump information.
5001         (record_sub_use): Delete.
5002         (record_use): Update all uses.
5003         (record_group): New function.
5004         (record_group_use, find_interesting_uses_op): Call above functions.
5005         Update all uses.
5006         (find_interesting_uses_cond): Ditto.
5007         (group_compare_offset): New function.
5008         (split_all_small_groups): Rename to ...
5009         (split_small_address_groups_p): ... here.  Update all uses.
5010         (split_address_groups):  Update all uses.
5011         (find_interesting_uses): Refactor format of dump information.
5012         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5013         base and step.
5014         (add_candidate, record_common_cand): Remove redundant assert.
5015         (add_iv_candidate_for_biv): Update use.
5016         (add_iv_candidate_derived_from_uses): Update all uses.
5017         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5018         (alloc_use_cost_map): Ditto.
5019         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5020         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5021         (determine_use_iv_cost_generic): Ditto.
5022         (determine_group_iv_cost_generic): Ditto.
5023         (determine_use_iv_cost_address): Ditto.
5024         (determine_group_iv_cost_address): Ditto.
5025         (determine_use_iv_cost_condition): Ditto.
5026         (determine_group_iv_cost_cond): Ditto.
5027         (determine_use_iv_cost): Ditto.
5028         (determine_group_iv_cost): Ditto.
5029         (set_autoinc_for_original_candidates): Update all uses.
5030         (find_iv_candidates): Update all uses.  Refactor dump information.
5031         (determine_use_iv_costs): Ditto.
5032         (determine_iv_costs): Ditto.
5033         (iv_ca_cand_for_use): Rename to ...
5034         (iv_ca_cand_for_group): ... here.  Update all uses.
5035         (iv_ca_add_use, iv_ca_add_group): Ditto.
5036         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5037         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5038         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5039         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5040         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5041         (create_new_iv, adjust_iv_update_pos): Ditto.
5042         (rewrite_use_address): Delete.
5043         (rewrite_use_address_1): Rename to ...
5044         (rewrite_use_address): ... here.
5045         (rewrite_use_compare): Update all uses.
5046         (rewrite_use): Delete.
5047         (rewrite_uses): Rename to ...
5048         (rewrite_groups): ... here.  Update all uses.
5049         (remove_unused_ivs, free_loop_data): Update all uses.
5050         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5052 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5054         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5055         for WORD_REGISTER_OPERATIONS to runtime check.
5057 2016-04-27  Richard Biener  <rguenther@suse.de>
5059         PR ipa/70760
5060         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5061         aggregate_value_p to determine if a function result is
5062         returned by reference.
5063         (ipa_pta_execute): Functions having their address taken are
5064         not automatically nonlocal.
5066 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5068         PR sanitizer/70683
5069         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5070         * fold-const.c (operand_equal_p): If flag_checking and
5071         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5072         and if it returns non-zero, assert iterative_hash_expr on both
5073         args is the same.
5075 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5077         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5079 2016-04-27  Nick Clifton  <nickc@redhat.com>
5081         PR middle-end/49889
5082         * varasm.c (merge_weak): Generate an error if an attempt is made
5083         to convert a non-weak static function into a weak, public function.
5085 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5087         * params.def (MAX_PARTITION_SIZE): New param.
5088         * doc/invoke.texi: Document lto-max-partition.
5090 2016-04-27  Richard Biener  <rguenther@suse.de>
5092         PR ipa/70785
5093         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5094         function cummulating used_from_other_partition, externally_visible
5095         and force_output from aliases.
5096         (refered_from_nonlocal_var): Likewise.
5097         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5098         node flags properly.
5100 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5102         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5103         (-Wmemset-elt-size): New item.
5105 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5107         PR ada/70759
5108         * stor-layout.h (internal_reference_types): Delete.
5109         * stor-layout.c (reference_types_internal): Likewise.
5110         (internal_reference_types): Likewise.
5111         (layout_type) <REFERENCE_TYPE>: Adjust.
5113 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5115         PR sanitizer/70683
5116         * tree.h (inchash::add_expr): Add FLAGS argument.
5117         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5118         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5119         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5120         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5121         if swap_tree_comparison (code) is smaller than code, hash that
5122         and arguments in the other order.  Hash CONVERT_EXPR the same
5123         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5124         of ADDR_EXPR of decl as the decl itself.  Add or remove
5125         OEP_ADDRESS_OF from recursive flags as needed.  For
5126         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5127         operands commutatively and only the third one normally.
5128         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5130 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5132         * config/rtems.h (LIB_SPEC): Add -latomic.
5134 2016-04-27  Joel Sherrill  <joel@rtems.org>
5136         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5137         xilink.ld and flags not relevant to RTEMS.
5139 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5141         * toplev.c (backend_init_target): Avoid calling init_reload when using
5142         LRA.
5144 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5146         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5147         for loops rather than one for the whole function.
5149 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5151         * match.pd (X + CST CMP X): New transformation.
5153 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5155         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5156         * fold-const.c (fold_binary_loc): Remove 2 transformations
5157         superseded by match.pd.
5158         * match.pd (x+x -> x*2): Generalize to integers.
5160 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5162         * config/i386/i386.md (operation on memory peephole): Duplicate an
5163         existing peephole and adapt it to match lea rather than an operation
5164         that clobbers CC.
5166         PR rtl-optimization/57193
5167         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5168         and above.
5169         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5171 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5173         * tree-if-conv.c (any_pred_load_store): New static variable.
5174         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5175         any_pred_load_store instead of and_mask_load_store.
5176         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5177         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5178         (combine_blocks, tree_if_conversion): Ditto.
5180 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5182         PR tree-optimization/70771
5183         PR tree-optimization/70775
5184         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5185         virtual PHI nodes.  Delete parameter.
5186         (if_convertible_loop_p_1): Delete argument to above function.
5187         (predicate_all_scalar_phis): Delete code handling single-argument
5188         PHIs.
5189         (tree_if_conversion): Mark and update virtual SSA.
5191 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5193         PR target/61821
5194         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5195         (x86_elf_aligned_common): Rename to ...
5196         (x86_elf_aligned_decl_common): ... this.
5197         Add decl arg.  Switch to .lbss for largecomm object.  Use
5198         LARGECOMM_SECTION_ASM_OP.
5199         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5200         renaming.
5201         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5202         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5203         Pass new decl arg.
5204         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5205         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5207 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5209         PR target/59407
5210         * config/i386/i386.c (SECTION_LARGE): Define.
5211         (x86_64_elf_select_section): Set it for large data/bss sections.
5212         Only clear SECTION_WRITE for .lrodata.
5213         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5214         data/bss sections.
5215         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5216         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5217         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5218         SECTION_MACH_DEP.
5219         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5220         * doc/tm.texi: Regenerate.
5222 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5224         PR bootstrap/70704
5225         * configure.ac (--enable-checking): Document extra flag, for
5226         non-release builds default to --enable-checking=yes,extra.
5227         If misc checking and extra checking, define CHECKING_P to 2 instead
5228         of 1.
5229         * common.opt (fchecking=): Add.
5230         * doc/invoke.texi (-fchecking=): Document.
5231         * doc/install.texi: Document --enable-checking changes.
5232         * configure: Regenerated.
5233         * config.in: Regenerated.
5235 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5237         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5238         attribute instead of which_alternative.
5239         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5240         Use EXT_REX_SSE_REG_P where appropriate.
5242 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5244         * config/i386/predicates.md (const0_operand): Do not match
5245         const_wide_int code.
5246         (const1_operand): Ditto.
5248 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5250         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5251         for SSE constm1 operands and TARGET_AVX512VL.
5252         (*movti_internal): Ditto.
5253         (*mov<mode>_or): Use constm1_operand predicate.
5254         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5255         for SSE vector_all_ones operands and TARGET_AVX512VL.
5256         * config/i386/predicates.md (constm1_operand): New predicate.
5257         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5258         emission of constant -1 load.
5260 2016-04-25  Jason Merrill  <jason@redhat.com>
5262         * gdbinit.in: Skip is-a.h.
5264         * attribs.c (register_scoped_attributes): Fix logic.
5265         * attribs.h: Declare register_scoped_attributes.
5267 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5269         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5270         stxvd2x and stxvw4x built-in functions.
5272 2016-04-25  DJ Delorie  <dj@redhat.com>
5274         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5275         (ashrhi3): Likewise.
5276         (lshrhi3): Likewise.
5278 2016-04-25  Richard Biener  <rguenther@suse.de>
5280         PR tree-optimization/70780
5281         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5282         wasn't visited yet.
5283         (compute_antic): Mark blocks with abnormal preds as visited as
5284         they have a final empty antic-in solution already.
5286 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5288         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5290 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5292         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5293         mode is VQI to improve mixed mode vectorization.
5294         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5295         define_insn to match low half of signed vaddw.
5296         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5297         define_insn to match high half of signed vaddw.
5298         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5299         define_insn to match low half of unsigned vaddw.
5300         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5301         define_insn to match high half of unsigned vaddw.
5302         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5303         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5304         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5305         for new function.
5306         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5307         * config/arm/predicates.md (vect_par_constant_high): Support
5308         big endian and simplify by calling
5309         arm_simd_check_vect_par_cnst_half
5310         (vect_par_constant_low): Likewise.
5312 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5314         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5315         predicate for operand 2.
5317 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5318             H.J. Lu  <hongjiu.lu@intel.com>
5320         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5321         machine_mode argument.
5322         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5323         constm1_rtx operands.  For VOIDmode constants, get mode from
5324         pred_mode.  Check mode size if the mode is supported by ABI.
5325         (standard_sse_constant_opcode): Do not use standard_constant_p.
5326         Strictly check ABI support for all-ones operands.
5327         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5328         immediates. Update calls to standard_sse_constant_p.
5329         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5330         (ix86_rtx_costs): Ditto.
5331         * config/i386/i386.md (*movxi_internal_avx512f): Use
5332         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5333         Use (v,BC) alternative instead of (v,C). Use register_operand
5334         checks instead of MEM_P.
5335         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5336         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5337         isa attribute.  Use register_operand checks instead of MEM_P.
5338         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5339         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5340         alternative and corresponding sse2 isa attribute.
5341         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5342         to standard_sse_constant_p.
5343         (FP constant splitters): Ditto.
5344         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5345         (C): Ditto.
5346         * config/i386/predicates.md (constm1_operand): Remove.
5347         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5348         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5349         vector_all_ones_operand instead of constm1_operand.
5351 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5353         * print-rtl.c (print_rtx_insn_vec): New function.
5354         * print-rtl.h: New prototype.
5355         * store-motion.c (struct st_expr): Make avail_stores a vector.
5356         (st_expr_entry): Adjust.
5357         (free_st_expr_entry): Likewise.
5358         (print_store_motion_mems): Likewise.
5359         (find_moveable_store): Likewise.
5360         (compute_store_table): Likewise.
5361         (delete_store): Likewise.
5362         (build_store_vectors): Likewise.
5364 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5366         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5368 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5370         * vec.h (vec_safe_contains): New function.
5371         (vec::contains): Likewise.
5372         (vec::begin): Likewise.
5373         (vec::end): Likewise.
5375 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5377         PR sanitizer/70712
5378         * cfgexpand.c (expand_stack_vars): Fix typo.
5380 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5382         * system.h (list, map, set, vector): Include conditionally.
5383         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5384         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5385         * ipa-icf.c (INCLUDE_LIST): Define.
5386         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5387         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5388         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5389         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5390         * cp/logic.cc (INCLUDE_LIST): Define.
5391         * fortran/trans-common.c (INCLUDE_MAP): Define.
5393 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5395         * auto-profile.c: Remove <string.h> include.
5396         * ipa-icf-gimple.c: Remove <list> include.
5397         * diagnostic.c: Remove <new> include.
5398         * genmatch.c: Likewise.
5399         * pretty-print.c: Likewise.
5400         * toplev.c: Likewise
5401         * c/c-objc-common.c: Likewise.
5402         * cp/error.c: Likewise.
5403         * fortran/error.c: Likewise.
5405 2016-04-22  Richard Biener  <rguenther@suse.de>
5407         * lto-streamer-in.c (input_ssa_names): Do not allocate
5408         GIMPLE_NOP for all SSA names.
5409         * lto-streamer-out.c (output_ssa_names): Do not output
5410         SSA names that should have been released.
5412 2016-04-22  Richard Biener  <rguenther@suse.de>
5414         PR tree-optimization/70740
5415         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5416         VDEF.
5418 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5420         PR target/70750
5421         * config/i386/predicates.md (call_insn_operand): Replace
5422         sibcall_memory_operand with memory_operand.
5424 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5426         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5427         has_single_use() tests.
5428         (register_edge_assert_for_1): Likewise.
5429         (find_assert_locations_1): Check the liveness bitmap instead of
5430         checking has_single_use().
5432 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5434         PR target/70728
5435         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5436         Extract AVX-512BW constraint from AVX.
5438 2016-04-21  Richard Biener  <rguenther@suse.de>
5440         PR tree-optimization/70725
5441         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5442         for phi_convertible_by_degenerating_args.
5443         (predicate_all_scalar_phis): Handle single-argument PHIs.
5445 2016-04-21  Richard Biener  <rguenther@suse.de>
5447         PR middle-end/70747
5448         * fold-const.c (fold_comparison): Return properly typed
5449         constant boolean.
5451 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5453         PR tree-optimization/70715
5454         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5455         after expanding BASE using expand_simple_operations.
5457 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5459         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5460         New transformations.
5462 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5464         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5466 2016-04-20  Jan Hubicka  <jh@suse.cz>
5468         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5469         ultiimate_alias_target.
5470         (update_callee_keys): Likewise.
5471         (lookup_recursive_calls): Likewise.
5472         (speculation_useful_p): Likewise.
5474 2016-04-20  Jan Hubicka  <jh@suse.cz>
5476         PR ipa/70018
5477         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5478         (set_nothrow_flag_1): ... this; handle interposition correctly;
5479         recurse on aliases and thunks.
5480         (cgraph_node::set_nothrow_flag): New.
5481         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5482         functions compiled with non-call exceptions that binds to current
5483         def.
5484         (propagate_nothrow): Be safe WRT interposition.
5485         * cgraph.h (set_nothrow_flag): Update prototype.
5487 2016-04-18  Jan Hubicka  <jh@suse.cz>
5489         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5490         max_loop_iterations_int.
5491         (tree_unswitch_outer_loop): Likewise.
5493 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5495         PR tree-optimization/69489
5496         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5497         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5498         Revise dump message.
5499         (if_convertible_bb_p): Remove check on edge count of basic block's
5500         predecessors.
5502 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5504         PR tree-optimization/56625
5505         PR tree-optimization/69489
5506         * tree-data-ref.h (DR_INNERMOST): New macro.
5507         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5508         hashing struct innermost_loop_behavior.
5509         (ref_DR_map): Remove.
5510         (innermost_DR_map): New map.
5511         (baseref_DR_map): Revise comment.
5512         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5513         to innermost_DR_map accroding to its innermost loop behavior.
5514         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5515         to its innermost loop behavior.
5516         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5517         Add initialization for innermost_DR_map.  Record memory reference
5518         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5519         have innermost loop behavior.
5520         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5521         innermost_DR_map.
5523 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5525         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5526         *lea_general_1.  Use explicit SWI12 mode interator.
5527         (*lea<mode>_general_2): Rename from *lea_general_2.
5528         Use explicit SWI12 mode interator.
5529         (*lea<mode>_general_3): Rename from *lea_general_3.
5530         Use explicit SWI12 mode interator.
5531         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5532         Use explicit SWI12 mode interator.
5533         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5534         Use explicit SWI48 mode interator.
5536 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5538         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5539         Short-cut unaligned load and store cases.  Handle all integer
5540         vector modes.
5541         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5542         and store cases.  Call ix86_avx256_split_vector_move_misalign
5543         directly without checking mode class.
5545 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5546             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5548         PR target/64971
5549         * config/aarch64/aarch64.md (sibcall): Force call
5550         address to be DImode for ILP32.
5551         (sibcall_value): Likewise.
5553 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5555         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5557 2016-04-20  Richard Biener  <rguenther@suse.de>
5559         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5560         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5561         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5562         (maybe_push_res_to_seq): Adjust.
5563         * gimple-fold.c (maybe_build_generic_op): Likewise.
5565 2016-04-20  Marek Polacek  <polacek@redhat.com>
5567         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5568         rather than true.
5570 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5572         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5573         use kmovw to support AVX512F target.
5575 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5577         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5579 2016-04-20  Marek Polacek  <polacek@redhat.com>
5581         PR tree-optimization/70725
5582         * tree-if-conv.c (is_false_predicate): New function.
5583         (predicate_mem_writes): Use it.
5585 2016-04-20  Richard Biener  <rguenther@suse.de>
5587         PR tree-optimization/70726
5588         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5589         shift amounts from a pattern stmt operand.
5591 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5593         PR target/70674
5594         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5595         stack_restore_from_fpr pattern when restoring r15.
5596         (s390_optimize_prologue): Strip away the memory barrier in the
5597         parallel when trying to get rid of restore insns.
5598         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5599         definition for loading the stack pointer from an FPR.  Compared to
5600         the normal move insn this pattern includes a full memory barrier.
5602 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5604         PR middle-end/70680
5605         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5606         implicitly linear or lastprivate iterator on the outer context.
5608 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5610         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5611         alignment check.
5612         * config/i386/i386.md (ssememalign): Removed.
5613         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5615 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5617         PR target/69201
5618         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5619         const short * to __builtin_ia32_loaddquhi512_mask.
5620         (_mm512_maskz_loadu_epi16): Likewise.
5621         (_mm512_mask_storeu_epi16): Pass short * to
5622         __builtin_ia32_storedquhi512_mask.
5623         (_mm512_mask_loadu_epi8): Pass const char * to
5624         __builtin_ia32_loaddquqi512_mask.
5625         (_mm512_maskz_loadu_epi8): Likewise.
5626         (_mm512_mask_storeu_epi8): Pass char * to
5627         __builtin_ia32_storedquqi512_mask.
5628         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5629         const double * to __builtin_ia32_loadupd512_mask.
5630         (_mm512_mask_loadu_pd): Likewise.
5631         (_mm512_maskz_loadu_pd): Likewise.
5632         (_mm512_storeu_pd): Pass double * to
5633         __builtin_ia32_storeupd512_mask.
5634         (_mm512_mask_storeu_pd): Likewise.
5635         (_mm512_loadu_ps): Pass const float * to
5636         __builtin_ia32_loadups512_mask.
5637         (_mm512_mask_loadu_ps): Likewise.
5638         (_mm512_maskz_loadu_ps): Likewise.
5639         (_mm512_storeu_ps): Pass float * to
5640         __builtin_ia32_storeups512_mask.
5641         (_mm512_mask_storeu_ps): Likewise.
5642         (_mm512_mask_loadu_epi64): Pass const long long * to
5643         __builtin_ia32_loaddqudi512_mask.
5644         (_mm512_maskz_loadu_epi64): Likewise.
5645         (_mm512_mask_storeu_epi64): Pass long long *
5646         to __builtin_ia32_storedqudi512_mask.
5647         (_mm512_loadu_si512): Pass const int * to
5648         __builtin_ia32_loaddqusi512_mask.
5649         (_mm512_mask_loadu_epi32): Likewise.
5650         (_mm512_maskz_loadu_epi32): Likewise.
5651         (_mm512_storeu_si512): Pass int * to
5652         __builtin_ia32_storedqusi512_mask.
5653         (_mm512_mask_storeu_epi32): Likewise.
5654         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5655         char * to __builtin_ia32_storedquqi256_mask.
5656         (_mm_mask_storeu_epi8): Likewise.
5657         (_mm256_mask_loadu_epi16): Pass const short * to
5658         __builtin_ia32_loaddquhi256_mask.
5659         (_mm256_maskz_loadu_epi16): Likewise.
5660         (_mm_mask_loadu_epi16): Pass const short * to
5661         __builtin_ia32_loaddquhi128_mask.
5662         (_mm_maskz_loadu_epi16): Likewise.
5663         (_mm256_mask_loadu_epi8): Pass const char * to
5664         __builtin_ia32_loaddquqi256_mask.
5665         (_mm256_maskz_loadu_epi8): Likewise.
5666         (_mm_mask_loadu_epi8): Pass const char * to
5667         __builtin_ia32_loaddquqi128_mask.
5668         (_mm_maskz_loadu_epi8): Likewise.
5669         (_mm256_mask_storeu_epi16): Pass short * to.
5670         __builtin_ia32_storedquhi256_mask.
5671         (_mm_mask_storeu_epi16): Pass short * to.
5672         __builtin_ia32_storedquhi128_mask.
5673         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5674         const double * to __builtin_ia32_loadupd256_mask.
5675         (_mm256_maskz_loadu_pd): Likewise.
5676         (_mm_mask_loadu_pd): Pass onst double * to
5677         __builtin_ia32_loadupd128_mask.
5678         (_mm_maskz_loadu_pd): Likewise.
5679         (_mm256_mask_storeu_pd): Pass double * to
5680         __builtin_ia32_storeupd256_mask.
5681         (_mm_mask_storeu_pd): Pass double * to
5682         __builtin_ia32_storeupd128_mask.
5683         (_mm256_mask_loadu_ps): Pass const float * to
5684         __builtin_ia32_loadups256_mask.
5685         (_mm256_maskz_loadu_ps): Likewise.
5686         (_mm_mask_loadu_ps): Pass const float * to
5687         __builtin_ia32_loadups128_mask.
5688         (_mm_maskz_loadu_ps): Likewise.
5689         (_mm256_mask_storeu_ps): Pass float * to
5690         __builtin_ia32_storeups256_mask.
5691         (_mm_mask_storeu_ps): ass float * to
5692         __builtin_ia32_storeups128_mask.
5693         (_mm256_mask_loadu_epi64): Pass const long long * to
5694         __builtin_ia32_loaddqudi256_mask.
5695         (_mm256_maskz_loadu_epi64): Likewise.
5696         (_mm_mask_loadu_epi64): Pass const long long * to
5697         __builtin_ia32_loaddqudi128_mask.
5698         (_mm_maskz_loadu_epi64): Likewise.
5699         (_mm256_mask_storeu_epi64): Pass long long * to
5700         __builtin_ia32_storedqudi256_mask.
5701         (_mm_mask_storeu_epi64): Pass long long * to
5702         __builtin_ia32_storedqudi128_mask.
5703         (_mm256_mask_loadu_epi32): Pass const int * to
5704         __builtin_ia32_loaddqusi256_mask.
5705         (_mm256_maskz_loadu_epi32): Likewise.
5706         (_mm_mask_loadu_epi32): Pass const int * to
5707         __builtin_ia32_loaddqusi128_mask.
5708         (_mm_maskz_loadu_epi32): Likewise.
5709         (_mm256_mask_storeu_epi32): Pass int * to
5710         __builtin_ia32_storedqusi256_mask.
5711         (_mm_mask_storeu_epi32): Pass int * to
5712         __builtin_ia32_storedqusi128_mask.
5713         * config/i386/i386-builtin-types.def (PCSHORT): New.
5714         (PINT64): Likewise.
5715         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5716         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5717         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5718         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5719         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5720         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5721         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5722         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5723         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5724         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5725         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5726         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5727         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5728         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5729         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5730         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5731         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5732         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5733         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5734         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5735         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5736         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5737         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5738         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5739         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5740         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5741         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5742         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5743         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5744         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5745         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5746         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5747         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5748         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
5749         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
5750         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
5751         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
5752         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
5753         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
5754         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
5755         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
5756         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
5757         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
5758         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
5759         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
5760         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
5761         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
5762         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
5763         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
5764         use UNSPEC_STOREU.
5765         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
5766         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
5767         load nor store.
5768         (ix86_expand_vector_move_misalign): Likewise.
5769         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
5770         to scalar function prototype for unaligned load/store builtins.
5771         (ix86_expand_special_args_builtin): Updated.
5772         * config/i386/sse.md (UNSPEC_LOADU): Removed.
5773         (UNSPEC_STOREU): Likewise.
5774         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
5775         (VI_ULOADSTORE_F_AVX512VL): Likewise.
5776         (ssescalarsize): Handle V4TI, V2TI and V1TI.
5777         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5778         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5779         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
5780         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
5781         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
5782         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
5783         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
5784         (<avx512>_storedqu<mode>_mask): Likewise.
5785         (*sse4_2_pcmpestr_unaligned): Likewise.
5786         (*sse4_2_pcmpistr_unaligned): Likewise.
5787         (*mov<mode>_internal): Renamed to ...
5788         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
5789         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
5790         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
5791         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
5793 2016-04-19  Richard Biener  <rguenther@suse.de>
5795         PR tree-optimization/70171
5796         * tree-ssa-phiprop.c: Include stor-layout.h.
5797         (phiprop_insert_phi): Handle the aggregate copy case.
5798         (propagate_with_phi): Likewise.
5800 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
5802         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
5803         instead of simplify_gen_subreg (... , 0).
5804         (ix86_delegitimize_address): Ditto.
5805         (ix86_split_divmod): Ditto.
5806         (ix86_split_copysign_const): Ditto.
5807         (ix86_split_copysign_var): Ditto.
5808         (ix86_expand_args_builtin): Ditto.
5809         (ix86_expand_round_builtin): Ditto.
5810         (ix86_expand_special_args_builtin): Ditto.
5811         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
5812         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
5813         (udivmodqi4): Ditto.
5814         (absneg splitters): Ditto.
5815         (*jcc_bt<mode>_1): Ditto.
5817 2016-04-19  Richard Biener  <rguenther@suse.de>
5819         PR tree-optimization/70724
5820         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
5821         restoring out from ...
5822         (free_scc_vn): ... here.
5823         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
5824         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
5825         tail merging.
5826         (pass_fre::execute): Restore SSA info.
5828 2016-04-19  Richard Biener  <rguenther@suse.de>
5830         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
5831         * gimple-walk.c (walk_gimple_op): Initialize it.
5832         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
5833         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
5834         remapping SSA names of defs.
5835         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
5836         adjustment.
5838 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
5840         PR middle-end/70689
5841         * lra-constraints.c (equiv_substition_p): New.
5842         (process_alt_operands): Use it.
5843         (swap_operands): Swap it.
5844         (curr_insn_transform): Update it.
5846 2016-04-18  Michael Matz  <matz@suse.de>
5848         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
5849         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
5850         * tree-core.h (tree_type_common.align): Use bit-field.
5851         (tree_type_common.spare): New.
5852         (tree_decl_common.off_align): Make smaller.
5853         (tree_decl_common.align): Use bit-field.
5855         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
5856         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
5857         (scan_sharing_clauses): Ditto.
5858         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
5859         (omp_finish_file): Ditto.
5860         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
5861         (layout_decl): Ditto.
5862         (relayout_decl): Ditto.
5863         (finalize_record_size): Use SET_TYPE_ALIGN.
5864         (finalize_type_size): Ditto.
5865         (finish_builtin_struct): Ditto.
5866         (layout_type): Ditto.
5867         (initialize_sizetypes): Ditto.
5868         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
5869         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
5870         (lookup_field_for_decl): Use SET_DECL_ALIGN.
5871         (get_chain_field): Ditto.
5872         (get_trampoline_type): Ditto.
5873         (get_nl_goto_field): Ditto.
5874         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
5875         SET_DECL_ALIGN.
5876         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
5877         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
5878         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
5879         (build_qualified_type): Use SET_TYPE_ALIGN.
5880         (build_aligned_type, build_range_type_1): Ditto.
5881         (build_atomic_base): Ditto.
5882         (build_common_tree_nodes): Ditto.
5883         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
5884         (expand_one_stack_var_at): Ditto.
5885         * coverage.c (build_var): Use SET_DECL_ALIGN.
5886         * except.c (init_eh): Ditto.
5887         * function.c (assign_parm_setup_block): Ditto.
5888         * symtab.c (increase_alignment_1): Ditto.
5889         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
5890         * tree-vect-stmts.c (ensure_base_align): Ditto.
5891         * varasm.c (align_variable): Ditto.
5892         (assemble_variable): Ditto.
5893         (build_constant_desc): Ditto.
5894         (output_constant_def_contents): Ditto.
5896         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
5897         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
5898         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
5899         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
5900         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
5902 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
5904         PR target/70708
5905         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
5906         replace %vmovsd with "%vmovq".
5907         (vec_concatv2df): Likewise.
5909 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
5911         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
5912         (*vec_extractv2si_0): Ditto.
5913         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
5914         (zero_extended_scalar_load_operand splitters): Ditto.
5915         (vec_extract splitters): Ditto.
5916         (*vec_extractv4si_0_zext): Ditto.
5917         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
5918         and lowpart_subreg.
5919         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
5920         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
5921         (*sse4_1_extractps): Use lowpart_subreg.
5922         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
5924 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5926         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
5927         gld requirements.
5928         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
5929         Mention Solaris 11 packaging changes.
5930         Update gas and gld requirements.
5931         Remove reference to pre-Solaris 10 bug.
5932         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
5933         systems and bugs.
5934         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
5935         with cc.
5937 2016-04-17  Jan Hubicka  <jh@suse.cz>
5939         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
5940         max_loop_iterations_int.
5942 2016-04-18  Richard Biener  <rguenther@suse.de>
5944         PR tree-optimization/43434
5945         * tree-ssa-structalias.c (struct vls_data): New.
5946         (visit_loadstore): Handle all pointer-based accesses.
5947         (compute_dependence_clique): Compute a bitmap of restrict tags
5948         assigned bases and pass it to visit_loadstore.
5950 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
5952         PR target/70711
5953         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
5954         armv8.1-a and armv8.1-a+crc.
5956 2016-04-18  Richard Biener  <rguenther@suse.de>
5958         PR tree-optimization/70701
5959         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
5960         references after translating through a memcpy.
5962 2016-04-18  Richard Biener  <rguenther@suse.de>
5964         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
5965         (compute_antic): ... here.  For partial antic use regular
5966         postorder and scrap iteration.
5967         (compute_partial_antic_aux): Remove unused return value.
5968         (init_pre): Do not allocate postorder.
5969         (fini_pre): Do not free postorder.
5971 2016-04-18  Richard Biener  <rguenther@suse.de>
5973         PR middle-end/37870
5974         * expmed.c (extract_bit_field_1): Remove broken case
5975         using a wider MODE_INT mode.
5977 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
5979         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
5980         unless compiling with at least GCC-4.8.
5982 2016-04-17  Jan Hubicka  <jh@suse.cz>
5984         PR bootstrap/70706
5985         * graphite.c (graphite_finalize): Update call to
5986         tree_estimate_probability.
5987         * predict.h (tree_estimate_probability): Update prototype.
5989 2016-04-17  Jan Hubicka  <jh@suse.cz>
5991         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
5992         (tree_estimate_probability): Likewise.
5993         (pass_profile::execute): Update.
5994         (report_predictor_hitrates): New function.
5995         * profile.c (compute_branch_probabilities): Use it.
5996         * predict.h (report_predictor_hitrates): Declare.
5998 2016-04-17  Jan Hubicka  <jh@suse.cz>
6000         PR ipa/70018
6001         * cgraph.h (cgraph_node::set_const_flag,
6002         cgraph_node::set_pure_flag): Update prototype to return bool;
6003         update comment.
6004         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6005         of interposable symbol are interposable, too.
6006         (cgraph_set_const_flag_1): Rename to ...
6007         (set_const_flag_1): ... this one; change to self recursive function
6008         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6009         clearnig the flag in all variants and also virtual thunks of const
6010         functions are pure; track if any change was done.
6011         (cgraph_node::set_const_flag): Update.
6012         (struct set_pure_flag_info): New struct.
6013         (cgraph_set_pure_flag_1): Rename to ...
6014         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6015         rather than pointer encoded flags; track if any changes was done;
6016         handle correctly clearning flag and setting flag of aliases already
6017         declared const.
6018         (cgraph_node::set_pure_flag): Update.
6019         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6021 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6023         PR other/70433
6024         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6025         backslash in label.
6027 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6029         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6030         '{}<> ' as escape-for-record.
6032 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6034         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6035         structure.
6037 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6039         PR other/70185
6040         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6041         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6042         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6043         * passes.c (finish_optimization_passes): Only call
6044         finish_graph_dump_file if dfi->graph_dump_initialized.
6045         (execute_function_dump, pass_init_dump_file): Use
6046         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6048 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6050         PR tree-optimization/70256
6051         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6052         (debug_varmap): New function.
6054 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6056         PR other/70183
6057         * passes.c (pass_manager::register_pass): Propagate pflags.
6059 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6061         PR other/68875
6062         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6063         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6064         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6065         check if it's equal to p_start.
6066         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6068 2016-04-15  Jan Hubicka  <jh@suse.cz>
6070         PR ipa/70018
6071         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6072         function does not bind to current def.
6073         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6074         handle conservatively calls to functions that does not need to bind
6075         to current def.
6076         (check_call): Update call of worse_state.
6077         (ignore_edge_for_nothrow): Update.
6078         (ignore_edge_for_pure_const): Likewise.
6079         (propagate_pure_const): Update calls to worse_state.
6080         (skip_function_for_local_pure_const): Reformat comments.
6082 2016-04-15  Jan Hubicka  <jh@suse.cz>
6084         PR ipa/70018
6085         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6086         (cgraph_node::function_symbol): Likewise.
6087         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6088         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6089         (symtab_node::ultimate_alias_target): Add REF parameter.
6090         (symtab_node::binds_to_current_def_p): Declare.
6091         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6092         (cgraph_node::function_symbol): Likewise.
6093         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6094         (cgraph_node::get_availability): Likewise.
6095         (cgraph_edge::binds_to_current_def_p): New inline function.
6096         (varpool_node::get_availability): Add REF parameter.
6097         (varpool_node::ultimate_alias_target): Likewise.
6098         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6099         (symtab_node::binds_to_current_def_p): Likewise.
6100         * varpool.c (varpool_node::get_availability): Likewise.
6102 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6104         PR target/70662
6105         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6106         Fix mode size check.
6108 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6110         * BASE-VER: Set to 7.0.0.
6112 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6114         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6116 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6118         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6119         architecture revisions.
6121 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6123         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6124         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6125         * config/i386/i386.md (stack decrement to push peepholes): Guard
6126         with !x86_using_red_zone ().
6128 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6130         PR c++/70675
6131         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6132         to dump_generic_node.
6133         (NIY): Pass also flags to do_niy.
6135 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6137         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6138         (simd_clone_vector_of_formal_parm_types)
6139         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6140         (simd_clone_mangle, simd_clone_create)
6141         (simd_clone_adjust_return_type, create_tmp_simd_array)
6142         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6143         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6144         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6145         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6146         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6147         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6148         * omp-simd-clone.c: ... this new file.
6149         (simd_clone_vector_of_formal_parm_types): Make it static.
6150         * Makefile.in (OBJS): Add omp-simd-clone.o.
6152 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6154         PR target/70662
6155         * config/i386/sse.md: Use proper memory operand modifiers.
6158 2016-04-15  Richard Biener  <rguenther@suse.de>
6159         Alan Modra  <amodra@gmail.com>
6161         PR tree-optimization/70130
6162         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6163         when alignment stays not the same and no not use the realign
6164         scheme then.
6166 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6168         PR target/70669
6169         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6170         direct move handlers for KFmode. Change TFmode handlers test from
6171         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6173 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6175         PR c++/70594
6176         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6177         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6178         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6179         * tree-ssa-live.c (remove_unused_scope_block_p): When
6180         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6181         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6182         block_ultimate_origin is FUNCTION_DECL.
6183         (remove_unused_locals): If current_function_decl is
6184         polymorphic_ctor_dtor_p, pass initial true to
6185         remove_unused_scope_block_p' is_ctor_dtor_block.
6187 2016-04-14  Martin Sebor  <msebor@redhat.com>
6189         PR c++/69517
6190         PR c++/70019
6191         PR c++/70588
6192         * doc/extend.texi (Variable Length): Revert.
6194 2016-04-14  Marek Polacek  <polacek@redhat.com>
6195             Jan Hubicka  <hubicka@ucw.cz>
6197         PR c++/70029
6198         * tree.c (verify_type): Disable the canonical type of main variant
6199         check.
6201 2016-04-14  Jason Merrill  <jason@redhat.com>
6203         * cfgexpand.c, expr.c: Revert previous change.
6205 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6207         PR middle-end/70643
6208         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6209         when building a mem ref for the incoming reduction variable.
6211 2016-04-14  Richard Biener  <rguenther@suse.de>
6213         PR tree-optimization/70614
6214         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6215         loop if the evolution dropped to chrec_dont_know.
6216         (interpret_condition_phi): Likewise.
6218 2016-04-14  Richard Biener  <rguenther@suse.de>
6220         PR tree-optimization/70623
6221         * tree-ssa-pre.c (changed_blocks): Make global ...
6222         (compute_antic): ... local here.  Move and fix worklist
6223         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6224         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6225         worklist handling, dump when ANTIC_IN changed.
6226         (compute_partial_antic_aux): Remove worklist handling.
6227         (init_pre): Do not compute post dominators.  Add a comment about
6228         the CFG order chosen.
6229         (fini_pre): Do not free post dominators.
6231 2016-04-13  Martin Sebor  <msebor@redhat.com>
6233         PR c++/69517
6234         PR c++/70019
6235         PR c++/70588
6236         * doc/extend.texi (Variable Length): Document C++ specifics.
6238 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6240         PR c++/70641
6241         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6242         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6243         eh edges have been purged.
6245         PR c++/70594
6246         * tree-sra.c (create_access_replacement,
6247         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6248         gets fancy name.
6249         * tree-pretty-print.c (dump_fancy_name): New function.
6250         (dump_decl_name, dump_generic_node): Use it.
6252 2016-04-13  Jason Merrill  <jason@redhat.com>
6254         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6255         * expr.c (expand_expr_real_1): Likewise.
6257 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6259         * config/i386/i386.md (kunpckhi): Swap operands.
6260         (kunpcksi): Likewise.
6261         (kunpckdi): Likewise.
6262         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6263         (vec_pack_trunc_<mode>): Likewise.
6265 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6267         PR debug/70628
6268         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6270         PR middle-end/70633
6271         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6272         gimplification turns some element into non-constant.
6274         PR debug/70628
6275         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6276         * explow.c (convert_memory_address_addr_space_1): No longer static,
6277         add NO_EMIT argument and don't call convert_modes if true, pass
6278         it down recursively, remove break after return.
6279         (convert_memory_address_addr_space): Adjust caller.
6280         * simplify-rtx.c (simplify_unary_operation_1): Call
6281         convert_memory_address_addr_space_1 instead of convert_memory_address,
6282         if it returns NULL, don't simplify.
6284 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6286         PR target/70630
6287         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6289 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6291         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6292         Bump the upper SIMDLEN limits, so that if the return type or
6293         characteristic type if the return type is void can be passed in
6294         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6295         allowed.
6297 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6299         PR target/70640
6300         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6301         Do not use "=" constraint on an input constraint.
6302         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6303         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6304         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6305         generates (neg (abs ...)) instead of (abs ...).
6307 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6309         PR rtl-optimization/70596
6310         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6311         just invalidate LRA data and reset them.  Adjust dump wording.
6313 2016-04-12  Martin Liska  <mliska@suse.cz>
6315         Revert
6316         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6318         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6319         estimates here.
6320         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6321         max_loop_iterations_int.
6322         (tree_unswitch_outer_loop): Likewise.
6323         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6324         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6326 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6328         PR tree-optimization/68756
6329         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6330         instead of new_name.
6332 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6334         PR tree-optimization/70602
6335         * tree-sra.c (generate_subtree_copies): Don't write anything into
6336         constant pool decls.
6338         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6339         regardless whether there are depend clauses or not.
6341 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6343         PR target/70381
6344         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6345         target attribute and pragma from changing the -mfloat128
6346         and -mfloat128-hardware options.
6348         * doc/extend.texi (Additional Floating Types): Document PowerPC
6349         __float128 restrictions.
6351 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6353         PR target/70133
6354         * config/aarch64/driver-aarch64.c
6355         (aarch64_get_extension_string_for_isa_flags): New.
6356         (arch_extension): Rename to...
6357         (aarch64_arch_extension): ...This.
6358         (ext_to_feat_string): Rename to...
6359         (aarch64_extensions): ...This.
6360         (aarch64_core_data): Keep track of architecture extension flags.
6361         (cpu_data): Rename to...
6362         (aarch64_cpu_data): ...This.
6363         (aarch64_arch_driver_info): Keep track of architecture extension
6364         flags.
6365         (get_arch_name_from_id): Rename to...
6366         (get_arch_from_id): ...This, change return type.
6367         (host_detect_local_cpu): Update and reformat for renames, handle
6368         extensions through common infrastructure.
6370 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6372         PR target/70133
6373         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6374         track of a canonical flag name.
6375         (all_extensions): Likewise.
6376         (arch_to_arch_name): Also track extension flags enabled by the arch.
6377         (all_architectures): Likewise.
6378         (aarch64_parse_extension): Move to here.
6379         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6380         rework.
6381         (aarch64_rewrite_selected_cpu): Update for above change.
6382         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6383         are handled, such that the single explicit value enabled by an
6384         extension is kept seperate from the implicit values it also enables.
6385         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6386         to here.
6387         (aarch64_parse_extension): New.
6388         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6389         here to config/aarch64/aarch64-protos.h.
6390         (aarch64_parse_extension): Move from here to
6391         common/config/aarch64/aarch64-common.c.
6392         (aarch64_option_print): Update.
6393         (aarch64_declare_function_name): Likewise.
6394         (aarch64_start_file): Likewise.
6395         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6396         the canonical flag for extensions.
6397         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6398         flags.
6400 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6402         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6403         AARCH64_FL_CRC.
6405 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6407         PR tree-optimization/68953
6408         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6409         first to last subscript.
6411 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6413         PR tree-optimization/70586
6414         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6415         for any calls.
6417 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6419         PR lto/70289
6420         PR ipa/70348
6421         PR tree-optimization/70373
6422         PR middle-end/70533
6423         PR middle-end/70534
6424         PR middle-end/70535
6425         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6426         clauses for acc parallel reductions as necessary.  Error on those
6427         that are private.
6428         * omp-low.c (scan_sharing_clauses): Don't install variables which
6429         are used in acc parallel reductions.
6430         (lower_rec_input_clauses): Remove dead code.
6431         (lower_oacc_reductions): Add support for reference reductions.
6432         (lower_reduction_clauses): Remove dead code.
6433         (lower_omp_target): Don't remap variables appearing in acc parallel
6434         reductions.
6435         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6437 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6439         PR middle-end/70593
6440         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6441         with multiple SSA_NAME defs, force the outputs other than first
6442         to be live before calling live_track_process_def on each output.
6444         PR rtl-optimization/70574
6445         * fwprop.c (forward_propagate_and_simplify): Don't add
6446         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6447         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6448         paradoxical subregs within *loc.
6450 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6452         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6453         -ftree-parallelize-loops={0,1}.
6454         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6455         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6456         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6457         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6458         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6460 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6462         PR sanitizer/70541
6463         * asan.c (instrument_derefs): If we get unknown location, extract it
6464         with EXPR_LOCATION.
6465         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6467 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6469         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6470         implicit firstprivate clause.
6472 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6474         PR target/70566
6475         * config/arm/thumb2.md (tst + branch-> lsls + branch
6476         peephole below *orsi_not_shiftsi_si): Require that condition
6477         register is dead after the peephole.
6478         (second peephole after the above): Likewise.
6480 2016-04-08  Alan Modra  <amodra@gmail.com>
6482         PR target/70117
6483         * builtins.c (fold_builtin_classify): For IBM extended precision,
6484         look at just the high-order double to test for NaN.
6485         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6486         test just the high double for Inf but both doubles for subnormal
6487         limit.
6489 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6491         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6492         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6493         node->simdclone->mask_mode != VOIDmode masks.
6494         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6495         earlier, use it instead of node->simdclone.
6496         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6497         Set clonei->mask_mode.
6499 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6501         PR c/70436
6502         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6503         Pass it through to cp_parser_already_scoped_statement.
6504         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6505         it through to cp_parser_statement.
6506         (cp_parser_statement): Pass IF_P through to
6507         cp_parser_iteration_statement.
6508         (cp_parser_pragma): Adjust call to
6509         cp_parser_iteration_statement.
6511 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6513         PR c/70436
6514         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6515         resolve a future -Wparentheses warning.
6516         * omp-low.c (scan_sharing_clauses): Likewise.
6517         * tree-parloops.c (eliminate_local_variables): Likewise.
6519 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6521         PR rtl-optimization/70398
6522         * lra-constraints.c (process_address_1): Check zero scale and code
6523         for reloading with zero scale.
6525 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6527         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6528         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6530 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6532         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6533         Add support for AVX512F clones, include them by default for
6534         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6535         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6536         up to 128.
6538         PR middle-end/70550
6539         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6540         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6541         firstprivate clauses.
6542         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6543         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6544         (lower_omp_target): Set TREE_NO_WARNING for
6545         non-addressable possibly uninitialized vars which are copied into
6546         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6548 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6550         * config/pa/predicates.md (integer_store_memory_operand): Accept
6551         REG+D operands with a large offset when reload_in_progress is true.
6552         (floating_point_store_memory_operand): Likewise.
6554 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6556         PR c++/70336
6557         * match.pd (nested int casts): Limit to GIMPLE.
6559 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6561         PR ipa/66223
6562         * ipa-devirt.c (maybe_record_node): Fix comment; use
6563         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6565 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6567         PR rtl-optimization/70542
6568         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6569         if there are any uses other than insn or debug insns.
6571 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6572             Jakub Jelinek  <jakub@redhat.com>
6574         PR tree-optimization/70509
6575         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6576         Shift HOST_WIDE_INT_1U instead of 1.
6578 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6580         PR tree-optimization/70509
6581         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6582         of the vector base type for index.
6584 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6586         PR target/70510
6587         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6589 2016-04-05  Richard Biener  <rguenther@suse.de>
6591         PR tree-optimization/70526
6592         * tree-sra.c (build_ref_for_offset): Use prev_base to
6593         extract the alias pointer type.
6595 2016-04-05  Richard Biener  <rguenther@suse.de>
6597         * dse.c (struct store_info): Remove alias_set member.
6598         (struct read_info_type): Likewise.
6599         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6600         spill_deleted, clear_alias_set_lookup): Remove.
6601         (get_group_info): Remove dead base == NULL_RTX case.
6602         (dse_step0): Remove initialization of removed variables.
6603         (delete_dead_store_insn): Reomve alias set dumping.
6604         (free_read_records): Remove alias_set handling.
6605         (canon_address): Remove alias_set_out parameter.
6606         (record_store): Remove spill_alias_set, it's always zero.
6607         (check_mem_read_rtx): Likewise.
6608         (dse_step2): Rename from ...
6609         (dse_step2_nospill): ... this.  Adjust.
6610         (scan_stores): Rename from ...
6611         (scan_stores_nospill): ... this.
6612         (scan_reads): Rename from ...
6613         (scan_reads_nospill): ... this.
6614         (scan_stores_spill, scan_reads_spill): Remove.
6615         (dse_step3_scan): Remove for_spills argument which is always false.
6616         (dse_step3): Likewise.
6617         (dse_step5): Rename from ...
6618         (dse_step5_nospill): ... this.  Remove alias_set handling.
6619         (rest_of_handle_dse): Adjust.
6621 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6623         PR target/70525
6624         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6625         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6626         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6627         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6629 2016-04-05  Richard Biener  <rguenther@suse.de>
6631         PR middle-end/70499
6632         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6633         non-register type temporaries into SSA.
6635 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6637         PR ipa/66223
6638         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6639         calls when sanitizing.
6640         (possible_polymorphic_call_target_p): Fix formatting.
6642 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6643             Jakub Jelinek <jakub@redhat.com>
6645         PR middle-end/70457
6646         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6647         to ensure a call statement is compatible with a built-in's
6648         prototype.
6649         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6650         Likewise.
6652 2016-04-04  Richard Biener  <rguenther@suse.de>
6654         PR rtl-optimization/70484
6655         * rtl.h (canon_output_dependence): Declare.
6656         * alias.c (canon_output_dependence): New function.
6657         * dse.c (record_store): Use canon_output_dependence rather
6658         than canon_true_dependence.
6660 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6662         PR ipa/68881
6663         * cgraph.h (symtab_node::copy_visibility_from): New function.
6664         * symtab.c (symtab_node::copy_visibility_from): New function.
6665         * ipa-visibility.c (optimize_weakref): New function.
6666         (function_and_variable_visibility): Use it.
6668 2016-04-04  Martin Liska  <mliska@suse.cz>
6670         PR hsa/70402
6671         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6672         value that is really in range handled by SBR instruction.
6673         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6674         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6675         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6677 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6679         PR target/70416
6680         PR target/67391
6681         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6682         set, but not for SP_REG operands.
6684 2016-04-02  Martin Sebor  <msebor@redhat.com>
6686         PR c++/67376
6687         * fold-const.c (maybe_nonzero_address): New function.
6688         (fold_comparison): Call it.  Fold equality and relational
6689         expressions involving null pointers.
6690         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6692 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6694         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6695         the "Y" constraint (scalar FP 0.0 immediate).
6697         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6698         Add the "const_double" to the list of operand constraints.
6700 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6702         PR rtl-optimization/70467
6703         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6704         If low word of the last operand is 0, just emit addition/subtraction
6705         for the high word.
6707 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6709         PR target/70404
6710         * config/s390/s390.c (s390_expand_insv): Check for everything
6711         constant instead of just VOIDmode stuff.
6713 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6715         PR target/70496
6716         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6718 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6720         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6722 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6724         PR rtl-optimization/70461
6725         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6726         is necessary.
6728 2016-03-31  Martin Liska  <mliska@suse.cz>
6730         PR hsa/70399
6731         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6732         a tree value or an immediate integer value to a buffer
6733         that is eventually copied to a BRIG section.
6734         (emit_immediate_operand): Call the function here.
6735         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6736         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6737         of class' fields that are removed.
6738         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6739         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6740         m_brig_repr_size fields.
6742 2016-03-31  Martin Liska  <mliska@suse.cz>
6744         PR hsa/70391
6745         * hsa-gen.c (hsa_function_representation::update_dominance): New
6746         function.
6747         (convert_addr_to_flat_segment): Likewise.
6748         (gen_hsa_memory_set): New alignment argument.
6749         (gen_hsa_ctor_assignment): Likewise.
6750         (gen_hsa_insns_for_single_assignment): Provide alignment
6751         to gen_hsa_ctor_assignment.
6752         (gen_hsa_insns_for_direct_call): Add new argument.
6753         (expand_lhs_of_string_op): New function.
6754         (expand_string_operation_builtin): Likewise.
6755         (expand_memory_copy): New function.
6756         (expand_memory_set): New function.
6757         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
6758         (convert_switch_statements): Change signature.
6759         (generate_hsa): Use a return value of the function.
6760         (pass_gen_hsail::execute): Do not call
6761         convert_switch_statements here.
6762         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
6763         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
6764         (hsa_function_representation::update_dominance): New function.
6766 2016-03-31  Martin Liska  <mliska@suse.cz>
6768         PR hsa/70391
6769         * hsa-brig.c (emit_directive_variable): Emit alignment
6770         according to hsa_symbol::m_align.
6771         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
6772         (dump_hsa_symbol): Dump alignment of HSA symbols.
6773         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
6774         (gen_hsa_addr_with_align): New function.
6775         (hsa_bitmemref_alignment): Use newly added function.
6776         (gen_hsa_insns_for_load): Likewise.
6777         (gen_hsa_insns_for_store): Likewise.
6778         (gen_hsa_memory_copy): New argument added.
6779         (gen_hsa_insns_for_single_assignment): Respect
6780         alignment for assignments processed via gen_hsa_memory_copy.
6781         (gen_hsa_insns_for_direct_call): Likewise.
6782         (gen_hsa_insns_for_return): Likewise.
6783         (gen_function_def_parameters): Set default alignment.
6784         * hsa.c (hsa_object_alignment): New function.
6785         (hsa_byte_alignment): Pasted function.
6786         * hsa.h (hsa_symbol::m_align): New field.
6788 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6790         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
6791         scratch field for goto case.
6793 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
6795         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
6797 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
6799         PR target/70442
6800         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
6801         (scalar_chain::convert_insn): Call convert_op for reg
6802         moves to handle undefined registers.
6804 2016-03-31  Nathan Sidwell  <nathan@acm.org>
6806         PR c++/70393
6807         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
6808         Assert we don't want to move backwards.
6810 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
6812         PR target/70453
6813         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
6815 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
6817         PR rtl-optimization/70460
6818         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
6819         with operand from REG_LABEL_OPERAND, instead substitute
6820         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
6821         Don't do anything for REG_NON_LOCAL_GOTO jumps.
6823 2016-03-31  Martin Liska  <mliska@suse.cz>
6825         * passes.c (execute_one_pass): Do not call
6826         todo_after for a discarded function.
6828 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6830         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
6831         (no_cost, infinite_cost): Initialize the new field.
6832         (get_computation_cost_at): Record setup cost.
6833         (determine_use_iv_cost_address): Skip cost computation for sub
6834         uses if we can estimate it without losing accuracy.
6836 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6838         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6839         estimates here.
6840         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6841         max_loop_iterations_int.
6842         (tree_unswitch_outer_loop): Likewise.
6843         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6844         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6846 2016-03-30  Richard Biener  <rguenther@suse.de>
6848         PR middle-end/70450
6849         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
6851 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
6853         PR target/70421
6854         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
6855         in gen_blendm expander.
6857 2016-03-30  Nick Clifton  <nickc@redhat.com>
6859         PR target/62254
6860         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
6861         case where we are already provided with an SImode SUBREG.
6863 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6865         PR target/70439
6866         * config/i386/i386.c (ix86_expand_epilogue): Properly check
6867         conflict between DRAP register and __builtin_eh_return.
6869 2016-03-30  Michael Matz  <matz@suse.de>
6870             Richard Biener  <rguenther@suse.de>
6872         PR ipa/12392
6873         * ipa-polymorphic-call.c (struct type_change_info): Change
6874         speculative to an unsigned allowing to limit the work we do.
6875         (csftc_abort_walking_p): New inline function..
6876         (check_stmt_for_type_change): Limit the number of may-defs
6877         skipped for speculative devirtualization to
6878         max-speculative-devirt-maydefs.
6879         * params.def (max-speculative-devirt-maydefs): New param.
6880         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
6882 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
6884         PR target/63890
6885         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
6886         and TARGET_MACHO.
6888 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
6890         PR tree-optimization/59124
6891         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
6892         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
6894 2016-03-29  Jeff Law  <law@redhat.com>
6896         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
6898 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6900         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
6901         to HOST_WIDE_INT.
6903 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
6905         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
6906         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
6907         gcrt0.o if linking dynamically.
6909 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6911         PR ipa/70283
6912         * ipa-devirt.c (methods_equal_p): New function.
6913         (compare_virtual_tables): Use it.
6914         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
6915         * cgraphclones.c (clone_function_name_1): Use
6916         symbol_table::symbol_suffix_separator.
6917         * coverage.c (build_var): Likewise.
6918         * symtab.c (symbol_table::symbol_suffix_separator): New.
6920 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
6922         PR rtl-optimization/70429
6923         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
6924         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
6925         mode != result_mode.
6927         PR c++/70353
6928         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
6930         PR tree-optimization/70405
6931         * ssa-iterators.h (num_imm_uses): Add missing braces.
6933 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
6935         PR rtl-optimization/68695
6936         * ira-color.c (allocno_copy_cost_saving): New.
6937         (improve_allocation): Use it.
6939 2016-03-29  Richard Henderson  <rth@redhat.com>
6941         PR middle-end/70355
6942         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
6944 2016-03-29  Richard Biener  <rguenther@suse.de>
6946         PR middle-end/70424
6947         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
6948         use alignment returned by get_pointer_alignment_1 if it is
6949         bigger than BITS_PER_UNIT.
6950         * builtins.c (get_pointer_alignment_1): Do not return true
6951         for alignment extracted from SSA info.
6953 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
6955         * config/ft32/ft32.opt (mnodiv): New.
6956         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
6957         * doc/invoke.texi (FT32 Options -mnodiv): New.
6959 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
6961         PR target/70406
6962         * config/i386/i386.md (define_split, andn): Fix modes.
6964 2016-03-26  Richard Biener  <rguenther@suse.de>
6965             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6967         PR ipa/70366
6968         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
6969         instead of
6970         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
6971         as 2nd argument to cl_optimization_restore().
6973 2016-03-25  Richard Henderson  <rth@redhat.com>
6975         PR target/70120
6976         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
6977         * config/aarch64/aarch64-protos.h: Declare it.
6978         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
6980 2016-03-25  Alan Modra  <amodra@gmail.com>
6982         PR target/70052
6983         * config/rs6000/constraints.md (j): Simplify.
6984         * config/rs6000/predicates.md (easy_fp_constant): Exclude
6985         decimal float 0.D.
6986         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
6987         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
6988          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
6989         in all constraint alternatives.
6990         (movtd_64bit_nodm): Delete "j" constraint alternative.
6992 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
6994         * tree-ssa-propagate.c: Enhance docs for
6995         SSA_PROP_NOT_INTERESTING.
6997 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
6999         * doc/extend.texi: Fix typo in documentation to pure attribute.
7001 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7003         PR target/70319
7004         * config/pa/pa.md (bswapdi2): Use a scratch register.
7006 2016-03-24  Richard Henderson  <rth@redhat.com>
7008         PR middle-end/69845
7009         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7010         overflow.
7012 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7014         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7015         using ix86_expand_binary_operator instead of gen_andsi3.
7017 2016-03-24  Richard Biener  <rguenther@suse.de>
7019         PR tree-optimization/70396
7020         * tree-vect-stmts.c (vectorizable_comparison): Use
7021         get_vectype_for_scalar_type.
7023 2016-03-24  Richard Biener  <rguenther@suse.de>
7025         PR middle-end/70370
7026         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7027         with register bases.
7029 2016-03-24  Richard Biener  <rguenther@suse.de>
7031         PR tree-optimization/70372
7032         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7033         build_all_ones_cst to also handle vector types correctly.
7035 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7037         PR target/70381
7038         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7039         -mfloat128 here.
7041 2016-03-23  Marek Polacek  <polacek@redhat.com>
7043         PR c++/69884
7044         * doc/invoke.texi: Document -Wignored-attributes.
7046 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7048         PR tree-optimization/69042
7049         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7050         parameter from 30 to 40.
7052 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7054         PR tree-optimization/69042
7055         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7056         for use with constant offset stripped in base.
7058 2016-03-23  Richard Biener  <rguenther@suse.de>
7060         PR middle-end/70251
7061         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7062         mode compatibility check.
7063         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7065 2016-03-23  Jeff Law  <law@redhat.com>
7067         PR tree-optimization/64058
7068         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7069         CONFLICT_COUNT.
7070         (struct ssa_conflicts): Move up earlier in the file.
7071         (conflicts_, var_map_): New static variables.
7072         (initialize_conflict_count): New function to initialize the
7073         CONFLICT_COUNT field for each conflict pair.
7074         (compare_pairs): Lazily initialize the conflict count and use it
7075         as the first tie-breaker.
7076         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7077         and wipe conflicts_ and map_ around the call to qsort.  Remove
7078         special case for 2 coalesce pairs.
7079         * bitmap.c (bitmap_count_unique_bits): New function.
7080         (bitmap_count_bits_in_word): New function, extracted from
7081         bitmap_count_bits.
7082         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7083         * bitmap.h (bitmap_count_unique_bits): Declare it.
7085 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7087         PR target/69917
7088         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7089         transparent alias chain for decl assembler name.
7090         * config/sol2.c (solaris_assemble_visibility): Likewise.
7092 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7094         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7095         duration.
7096         (v10_fdivs): Likewise.
7097         (v10_fdivd): Likewise.
7099 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7101         PR driver/70132
7102         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7103         to not call fclose twice on file.
7105 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7107         PR tree-optimization/70354
7108         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7109         oprnd0 is wider than oprnd1 and there is a cast from the wider
7110         type to oprnd1, mask it with the mask of the narrower type.
7112         PR target/70321
7113         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7114         Optimize TARGET_STV splitters, if high or low word of last argument
7115         is 0 or -1.
7117 2016-03-22  Jeff Law  <law@redhat.com>
7119         PR target/70232
7120         tree-ssa-threadbackward.c
7121         (fsm_find_control_statement_thread_paths): Correctly distinguish
7122         between old style jump threads vs FSM jump threads.
7124 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7126         PR target/70302
7127         * config/i386/i386.c (scalar_chain::convert_op): Support
7128         uninitialized register usage case.
7130 2016-03-22  Richard Biener  <rguenther@suse.de>
7132         PR middle-end/70251
7133         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7134         int...
7135         (capture::gen_transform): ... to change behavior when substituting
7136         a condition into cond or not-cond expr context.
7137         (dt_simplify::gen_1): Adjust.
7138         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7139         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7140         last change and instead change to
7141         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7142         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7144 2016-03-22  Anthony Green  <green@moxielogic.com>
7146         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7147         issue for moxiebox targets.
7148         (CC1PLUS_SPEC): Ditto.
7150 2016-03-22  Richard Biener  <rguenther@suse.de>
7152         PR middle-end/70333
7153         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7154         in the wide type.
7156 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7158         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7160 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7162         PR target/70325
7163         * config/i386/i386.c (def_builtin): Handle
7164         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7165         bits.
7166         (const struct builtin_description bdesc_special_args[]):
7167         Remove duplicate ISA bits.
7169 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7171         PR target/70329
7172         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7173         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7174         in a way that works also for AVX512BW.
7176         PR target/70300
7177         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7178         instead of source if operands[1] is xmm16 and above and
7179         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7180         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7182         PR c++/70295
7183         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7184         on assign if (*from_p) is a comparison, set it to
7185         TREE_NO_WARNING (*from_p).
7187 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7189         PR middle-end/70326
7190         * lra.c (restore_scratches): Ignore deleted insns.
7192 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7193             Jakub Jelinek  <jakub@redhat.com>
7195         PR tree-optimization/70317
7196         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7197         to HONOR_NANS.
7199 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7201         PR target/70327
7202         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7203         of ix86_expand_move.
7204         (movoi): Ditto.
7205         (movti): Use general_operand for operand 1 predicate.
7207 2016-03-21  Martin Liska  <mliska@suse.cz>
7209         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7210         insns.
7211         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7213 2016-03-21  Martin Liska  <mliska@suse.cz>
7215         PR ipa/70306
7216         * ipa-icf.c (sem_function::parse): Skip static
7217         constructors and destructors.
7219 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7221         PR target/70296
7222         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7223         function-like macro, peek following token(s) if it is followed
7224         by CPP_OPEN_PAREN token with optional padding in between, and
7225         if not, don't treat it like a macro.
7227 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7228             Alexander Monakov  <amonakov@ispras.ru>
7230         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7231         for the stabs debug format.
7233 2016-03-21  Richard Biener  <rguenther@suse.de>
7235         PR tree-optimization/70310
7236         * tree-vect-generic.c (expand_vector_condition): Fold the built
7237         condition.
7239 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7241         PR target/70293
7242         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7243         Block third alternative for AVX-512VL target,
7245 2016-03-21  Martin Liska  <mliska@suse.cz>
7247         PR hsa/70234
7248         * hsa-brig.c (emit_function_directives): Mark unemitted
7249         global variables for emission.
7250         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7251         (get_symbol_for_decl): Likewise.
7252         * hsa.h (struct hsa_symbol): New flag.
7254 2016-03-21  Richard Biener  <rguenther@suse.de>
7256         PR tree-optimization/70288
7257         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7258         we do not estimate unsimplified all-constant conditionals or
7259         switches as optimized away.
7261 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7263         PR rtl-optimization/69102
7264         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7265         when we have a readonly dependency context.
7267 2016-03-18  Jeff Law  <law@redhat.com>
7269         PR rtl-optimization/70263
7270         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7271         (update_equiv_regs): When trying to move a store to after the insn
7272         that sets the source of the store, make sure the store occurs after
7273         the insn that sets the source of the store.  When successful note
7274         the REG_EQUIV note created in the dump file.
7276 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7277             Bernd Schmidt  <bschmidt@redhat.com>
7279         * doc/extend.texi: Document more potential problems with basic asms.
7281 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7283         PR rtl-optimization/70278
7284         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7285         VOIDmode.
7287 2016-03-18  Jason Merrill  <jason@redhat.com>
7289         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7291 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7293         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7294         values to 128b regs.
7296 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7298         PR tree-optimization/70252
7299         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7300         boolean vector has a proper number of elements.
7301         (supportable_narrowing_operation): Likewise.
7303 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7305         PR ipa/70269
7306         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7308 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7310         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7311         instead of replace_rtx for DEBUG_INSNs.
7313 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7315         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7316         load type reservations.
7318 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7320         PR target/70188
7321         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7322         define_constraint for "Q" and "T" constraints.
7324 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7326         Tweak the pipeline model for Exynos M1
7328         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7329         model.
7331 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7333         PR c/70264
7334         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7335         where one or both locations aren't within a line_map.
7337 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7339         PR driver/70192
7340         * opts.c (finish_options): Don't set flag_pie to the default if
7341         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7342         if it is -1.
7344 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7346         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7347         true as ALL_REGS argument to replace_rtx.
7349 2016-03-17  Richard Biener  <rguenther@suse.de>
7351         PR debug/70271
7352         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7353         last.
7355 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7357         PR target/70245
7358         * rtl.h (replace_rtx): Add ALL_REGS argument.
7359         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7360         equality and assert mode is the same, instead of just rtx pointer
7361         equality.
7362         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7363         true as ALL_REGS argument to replace_rtx.
7365 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7367         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7368         for boolean vector with vector mode only.
7369         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7371 2016-03-17  Nick Clifton  <nickc@redhat.com>
7373         PR target/70162
7374         * config/rx/rx.c (rx_print_integer): Print negative constants in
7375         decimal.
7377 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7379         PR target/70261
7380         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7382 2016-03-16  Richard Henderson  <rth@redhat.com>
7383             Richard Biener  <rguenth@suse.de>
7385         PR middle-end/70240
7386         PR middle-end/68215
7387         PR tree-opt/68714
7388         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7389         first operand as is_gimple_condexpr.
7391         PR middle-end/70240
7392         PR middle-end/68215
7393         Revert r231575
7394         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7395         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7396         Do not gimplify the result.
7397         (do_unop): Adjust call to tree_vec_extract.
7398         (do_binop): Likewise.
7399         (do_compare): Likewise.
7400         (do_plus_minus): Likewise.
7401         (do_negate): Likewise.
7402         (expand_vector_condition): Likewise.
7403         (do_cond): Likewise.
7405 2016-03-16  Richard Henderson  <rth@redhat.com>
7407         PR target/70048
7408         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7409         (aarch64_classify_address): Use it.
7410         (aarch64_legitimize_address): Force all subexpressions of PLUS
7411         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7413 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7414             Richard Biener  <rguenth@suse.de>
7416         PR target/70245
7417         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7418         return to even if only REGNO is equal, and assert
7419         mode is the same.
7421 2016-03-11  Jeff Law  <law@redhat.com>
7423         PR rtl-optimization/70224
7424         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7426 2016-03-16  Richard Henderson  <rth@redhat.com>
7428         PR middle-end/70199
7429         * function.h (struct function): Add has_forced_label_in_static.
7430         * gimplify.c (force_labels_r): Set it.
7431         * lto-streamer-in.c (input_struct_function_base): Read it.
7432         * lto-streamer-out.c (output_struct_function_base): Write it.
7433         * tree-inline.c (has_label_address_in_static_1): Remove.
7434         (copy_forbidden): Remove fndecl parameter; test
7435         has_forced_label_in_static.
7436         (inline_forbidden_p): Update call to copy_forbidden.
7437         (tree_versionable_function_p): Likewise.
7438         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7439         (chkp_versioning): Likewise.
7440         * tree-inline.h (copy_forbidden): Update decl.
7442 2016-03-16  Marek Polacek  <polacek@redhat.com>
7444         PR c/70093
7445         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7446         function being thunked if the result type doesn't have fixed size.
7447         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7448         doesn't have fixed size.
7450 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7452         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7453         reporting malformed loop nest.
7455 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7457         PR lto/70187
7458         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7459         nodes.length () == 1 test to before first nodes[0] access.
7461 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7463         PR tree-optimization/68715
7464         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7465         single_pred_p test.
7467 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7469         PR tree-optimization/68809
7470         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7471         are the same.
7473 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7474             Sandra Loosemore  <sandra@codesourcery.com>
7476         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7477         on leaf attribute. Mention ELF interposition problems.
7479 2016-03-16  Alan Modra  <amodra@gmail.com>
7481         PR rtl-optimization/69195
7482         PR rtl-optimization/47992
7483         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7484         Add comments.
7486 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7488         PR bootstrap/69513
7489         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7491 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7493         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7495 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7497         PR rtl-optimization/70222
7498         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7499         optimization if mode is different from result_mode, queue up masking
7500         of the result in outer_op.  Formatting fix.
7502         PR middle-end/70239
7503         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7504         of safe_grow.
7506 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7508         PR rtl-optimization/69032
7509         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7510         looping backwards over basic block insns.
7512 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7514         PR target/66660
7515         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7516         to non-speculative when propagating trap bits.
7518 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7520         PR rtl-optimization/63384
7521         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7522         DEBUG_INSN_P insns.
7524 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7526         PR target/64411
7527         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7528         factored out from ...
7529         (sched_analyze_insn): ... here.
7530         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7531         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7532         get_implicit_reg_pending_clobbers in it.
7533         (setup_id_reg_sets): Use setup_id_implicit_regs.
7534         (deps_init_id): Ditto.
7536 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7538         PR ipa/70161
7539         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7540         dump_file_name.
7541         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7542         execute_function_dump.
7543         (execute_one_pass): Don't dump function if it will be dumped after ipa
7544         transform.
7546 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7548         * genrecog.c (match_pattern_2): If pred is NULL don't call
7549         safe_predicate_mode on it.
7551 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7553         PR middle-end/70219
7554         * lra-constraints.c (delete_move_and_clobber): Change assertion
7555         to also allow dregno == 0.
7557 2016-03-14  Richard Henderson  <rth@redhat.com>
7559         PR tree-opt/68714
7560         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7561         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7562         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7563         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7564         on vectors.
7566 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7568         PR target/70083
7569         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7570         regs.
7571         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7572         VOIDmode.
7573         * lra-constraints.c (split_reg): For hard regs, try to find the
7574         biggest single-register mode used in the function.
7576 2016-03-14  Richard Biener  <rguenther@suse.de>
7578         PR tree-optimization/56365
7579         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7580         constants to compare against.
7582 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7584         PR target/70098
7585         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7586         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7587         (define_split for the GPR case): Use int_reg_operand instead of
7588         gpc_reg_operand for the output.
7590 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7592         PR tree-optimization/70045
7593         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7594         create_empty_if_region_on_edge argument.
7596 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7598         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7599         (STACK_CHECK_PROTECT): Likewise.
7600         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7601         (STACK_CHECK_PROTECT): Likewise.
7602         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7603         (STACK_CHECK_PROTECT): Likewise.
7604         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7605         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7606         (STACK_CHECK_PROTECT): Likewise.
7608 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7610         PR rtl-optimization/69307
7611         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7612         registers in modes that span more than one register.
7614 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7616         PR target/69614
7617         * lra-constraints.c (delete_move_and_clobber): New.
7618         (remove_inheritance_pseudos): Use it.
7620 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7622         PR ada/70017
7623         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7624         the libcall is LCT_THROW.
7625         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7626         for the checking routine.
7628 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7630         PR target/70131
7631         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7632         optimization if we have direct move.
7633         (roundu32<mode>2_fprs): Likewise.
7635 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7637         PR target/70123
7638         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7639         be rematerialized.
7640         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7641         Arguments swapped.  All callers changed.  Take reg_renumber into
7642         account, and Calculate and compare register ranges for hard regs.
7644 2016-03-11  Jeff Law  <law@redhat.com>
7646         PR tree-optimization/70190
7647         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7648         Handle cases where we can not extract the taken edge, even though we
7649         found a constant value.
7651         PR tree-optimization/64058
7652         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7653         (num_coalesce_pairs): Move up earlier in file.
7654         (find_coalesce_pair): Initialize the INDEX field for each pair
7655         discovered.
7656         (compare_pairs): No longer sort on the elements in each pair.
7657         Instead break ties with the index of the coalesce pair.
7659 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7661         PR target/70002
7662         * config/aarch64/aarch64-protos.h
7663         (aarch64_save_restore_target_globals): New prototype.
7664         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7665         Call the above when popping pragma.
7666         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7667         New function.
7668         (aarch64_set_current_function): Rewrite using the above.
7670 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7672         PR tree-optimization/70177
7673         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7674         (extract_ops_from_tree): ... this.  In the 2 argument
7675         overload remove _1 suffix.
7676         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7677         (extract_ops_from_tree): ... this.
7678         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7679         Adjust callers.
7680         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7681         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7682         extract_ops_from_tree instead of 2 operand one.
7684 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7686         PR tree-optimization/70013
7687         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7688         for constant-pool entries.
7690 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7692         PR rtl-optimization/70174
7693         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7694         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7696         PR tree-optimization/70169
7697         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7698         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7699         for unknown codes.
7701 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7702             Jakub Jelinek  <jakub@redhat.com>
7704         PR target/70160
7705         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7706         of uninitialized values.
7708 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7710         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7711         define_expand.
7712         ("*trunctddd2"): New pattern definition.
7713         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7714         TD->DD truncation.
7716 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7718         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7719         definitions for BFP and DFP rounding modes.
7720         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7721         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7722         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7723         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7724         numbers.
7726 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7728         * config/s390/constraints.md: Adjust comment.
7729         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7730         s390_decompose_addrstyle_without_index.
7731         * config/s390/predicates.md (shift_count_or_setmem_operand):
7732         Rename to setmem_operand.
7733         * config/s390/s390-protos.h
7734         (s390_decompose_shift_count): Rename to
7735         s390_decompose_addrstyle_without_index.
7736         * config/s390/s390.c (s390_decompose_shift_count)
7737         (s390_mem_constraint, print_shift_count_operand)
7738         (print_operand_address, print_operand): Rename
7739         s390_decompose_shift_count to
7740         s390_decompose_addrstyle_without_index and rename
7741         print_shift_count_operand to print_addrstyle_operand troughout the
7742         file.
7743         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7744         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7745         Rename shift_count_or_setmem_operand to setmem_operand.
7746         * config/s390/vx-builtins.md ("vec_insert<mode>")
7747         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7748         nonmemory_operand.
7750 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7752         PR target/70168
7753         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
7754         Handle overlapping retval and newval.
7756 2016-03-10  Nick Clifton  <nickc@redhat.com>
7758         PR target/7044
7759         * config/aarch64/aarch64.c
7760         (aarch64_override_options_after_change_1): When forcing
7761         flag_omit_frame_pointer to be true, use a special value that can
7762         be detected if this function is called again, thus preventing
7763         flag_omit_leaf_frame_pointer from being forced to be false.
7765 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7767         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
7768         Set x_flag_omit_leaf_frame_pointer when handling
7769         -momit-leaf-frame-pointer.
7771 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7773         PR lto/69589
7774         * cgraph.c (cgraph_node::dump): Dump split_part and
7775         indirect_call_target.
7776         * cgraph.h (cgraph_node): Add indirect_call_target flag.
7777         * ipa.c (has_addr_references_p): Cleanup.
7778         (is_indirect_call_target_p): New.
7779         (walk_polymorphic_call_targets): Do not mark virtuals that may be
7780         called indirectly as local.
7781         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
7783 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7785         PR ipa/69630
7786         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7787         on cxa_pure_virtual.
7789 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7791         PR lto/69589
7792         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
7794 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7796         PR lto/69589
7797         * tree.c (need_assembler_name_p): Only record main variant type names.
7799 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7801         PR target/70113.
7802         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
7803         Always define to 0 or 1.
7804         (TARGET_FIX_ERR_A53_843419): New macro.
7805         * config/aarch64/aarch64-elf-raw.h
7806         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
7807         * config/aarch64/aarch64-linux.h: Likewise.
7808         * config/aarch64/aarch64.c
7809         (aarch64_override_options_after_change_1): Do not default
7810         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
7811         843419 is on.
7812         (aarch64_attributes): Handle fix-cortex-a53-843419.
7813         (aarch64_can_inline_p): Likewise.
7814         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
7816 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
7817         Jakub Jelinek <jakub@redhat.com>
7819         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
7820         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
7821         DECL_COMMONS if flag_unconstrained_commons is set.
7822         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7823         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
7824         (funconstrained-commons): Document.
7826 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7828         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
7829         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
7831 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
7833         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
7834         has a proper number of elements.
7836 2016-03-10  Alan Modra  <amodra@gmail.com>
7838         PR rtl-optimization/69195
7839         PR rtl-optimization/47992
7840         * ira.c (recorded_label_ref): Delete.
7841         (update_equiv_regs): Return void.
7842         (indirect_jump_optimize): New function.
7843         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
7844         before regstat_compute_ri.  Don't rebuild_jump_labels here.
7845         Delete update_regstat.
7847 2016-03-10  Richard Biener  <rguenther@suse.de>
7849         PR tree-optimization/70128
7850         * tree-ssa-structalias.c (set_uids_in_ptset): Set
7851         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
7853 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
7855         PR tree-optimization/70152
7856         * tree-sra.c (replace_removed_params_ssa_names): Copy over
7857         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
7859         PR target/70086
7860         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
7861         instead of gen_sse2_loadlpd.
7862         * config/i386/sse.md (*vec_concatv2df): Rename to...
7863         (vec_concatv2df): ... this.
7865         PR tree-optimization/70127
7866         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
7868 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
7870         PR c/68473
7871         PR c++/70105
7872         * diagnostic-show-locus.c (compatible_locations_p): New function.
7873         (layout::layout): Sanitize ranges using compatible_locations_p.
7875 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
7877         PR c/68473
7878         PR c++/70105
7879         * diagnostic-show-locus.c (layout_range::layout_range): Replace
7880         location_range param with three const expanded_locations * and a
7881         bool.
7882         (layout::layout): Replace call to
7883         rich_location::lazily_expand_location with get_expanded_location.
7884         Extract the range and perform location expansion here, passing
7885         the results to the layout_range ctor.
7886         * diagnostic.c (source_range::debug): Delete.
7887         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
7888         of rich_location::get_expanded_location.
7889         * gcc-rich-location.c (get_range_for_expr): Delete.
7890         (gcc_rich_location::add_expr): Reimplement to avoid the
7891         rich_location::add_range overload that took a location_range,
7892         passing a location_t instead.
7894 2016-03-09  Richard Biener  <rguenther@suse.de>
7895         Jakub Jelinek  <jakub@redhat.com>
7897         PR tree-optimization/70138
7898         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
7899         Also skip vect_double_reduction_def.
7901 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
7903         PR target/70049
7904         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
7905         if the operand is "m".
7907 2016-03-09  Nathan Sidwell  <nathan@acm.org>
7909         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
7911 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7913         * config/i386/i386.c (processor_target_table): Fix cost table
7914         intialization order for znver1.
7916 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
7918         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
7919         - becuase -> because.
7920         * ipa-reference.c (ignore_module_statics): Likewise.
7921         * cgraph.c (cgraph_node::get_body): Likewise.
7922         * ipa-inline.c (early_inliner): Likewise.
7923         * ipa-devirt.c (types_same_for_odr): Likewise.
7924         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
7925         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
7927 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7929         * tree-ssa-math-opts.c: Fix typo in comment.
7931 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
7933         PR target/70110
7934         * config/i386/i386.c (scalar_chain::make_vector_copies,
7935         scalar_chain::convert_reg): Call end_sequence in between
7936         get_insns and emit_conversion_insns rather than after both
7937         calls.
7939 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
7941         PR target/70064
7942         * config/i386/i386.h (machine_function): Add
7943         pc_thunk_call_expanded flag.
7944         (ix86_pc_thunk_call_expanded): New define.
7945         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
7946         (*set_got): Rename insn pattern from set_got.
7947         (*set_got_labelled): Rename inst pattern from set_got_labelled.
7948         * config/i386/i386.c (ix86_compute_frame_layout): Use
7949         ix86_pc_thunk_call_expanded to prevent red-zone.
7951 2016-03-07  Martin Jambor  <mjambor@suse.cz>
7953         * hsa.h (hsa_get_ctor_statements): Declare.
7954         (hsa_get_dtor_statements): Likewise.
7955         (hsa_get_kernel_dispatch_type): Likewise.
7956         * hsa.c (hsa_get_ctor_statements): New function.
7957         (hsa_get_dtor_statements): Likewise.
7958         (hsa_get_kernel_dispatch_type): Likewise.
7959         * hsa-brig.c (hsa_cdtor_statements): Removed.
7960         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
7961         hsa_get_dtor_statements.
7962         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
7963         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
7965 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7967         * config/arm/arm-cores.def (cortex-r8): New.
7968         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
7969         * config/arm/arm-tune.md: Likewise.
7970         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
7972 2016-03-07  Martin Sebor  <msebor@redhat.com>
7974         PR rtl-optimization/19705
7975         * doc/invoke.texi (Options That Control Optimization): Clarify
7976         -fno-branch-count-reg.
7978 2016-02-26  Richard Biener  <rguenther@suse.de>
7979             Jeff Law  <law@redhat.com>
7981         PR tree-optimization/69740
7982         * cfghooks.c (remove_edge): Request loop fixups if we delete
7983         an edge that might turn an irreducible loop into a natural
7984         loop.
7985         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
7986         Move after definition of loops_state_clear.
7988 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
7990         PR rtl-optimization/69052
7991         * rtlanal.c (commutative_operand_precedence): Set higher precedence
7992         to CONST_WIDE_INT.
7994 2016-03-07  Tom de Vries  <tom@codesourcery.com>
7996         PR tree-optimization/70116
7997         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
7998         is_tm_ending stmts and ubsan/asan internal functions.
7999         (find_duplicate): Use it.  Don't test is_tm_ending here.
8001 2016-03-07  Richard Biener  <rguenther@suse.de>
8003         PR tree-optimization/70115
8004         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8005         (propagate_constants_for_unrolling): Use replace_uses_by.
8007 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8009         PR middle-end/69916
8010         * omp-low.c (struct oacc_loop): Add ifns.
8011         (new_oacc_loop_raw): Initialize it.
8012         (finish_oacc_loop): Clear mask & flags if no ifns.
8013         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8014         (oacc_loop_xform_loop): Add ifns arg & adjust.
8015         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8017 2016-03-07  Richard Henderson  <rth@redhat.com>
8019         PR rtl-opt/70061
8020         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8021         (insert_value_copy_on_edge): Likewise.
8023 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8025         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8027 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8029         PR target/62281
8030         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8032 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8034         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8036 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8038         Fix sseimul type attribute.
8039         * config/i386/znver1.md
8040         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8041         znver1_sseimul_avx256_load) : Fix the type attribute.
8042         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8043         pipe usage and latency.
8045 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8047         PR c++/70084
8048         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8049         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8050         to the right type.
8052 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8054         PR c/69973
8055         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8057         PR rtl-optimization/69941
8058         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8059         the reg share its mode.
8061 2016-03-04  Jeff Law  <law@redhat.com>
8063         PR tree-optimization/69196
8064         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8065         If the both SSA_NAMEs are anonymous, then consider them unassociated
8066         and include the PHI in the statement count.
8068 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8070         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8071         construct in oacc routine.  Check for oacc region in oacc routine.
8073 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8075         PR target/70062
8076         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8077         2016-02-22 changes, instead don't recurse if RECUR is already true.
8078         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8079         to pass true to the new argument.
8080         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8082         PR target/70059
8083         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8084         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8085         fixes.
8086         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8088 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8090         PR rtl-optimization/57676
8091         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8092         with flag_checking.
8094 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8096         * tree-vect-patterns.c (search_type_for_mask): Handle
8097         comparison of booleans.
8099 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8101         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8102         Fix @xref usage.
8104         PR debug/69947
8105         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8106         all other ops that have dw_val_class_die_ref operands,
8107         and DW_OP_GNU_entry_value.
8109 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8111         PR rtl-optimization/69904
8112         * config/arm/arm.c (arm_cannot_copy_insn_p):
8113         Return true for load-exclusive instructions.
8115 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8117         PR target/70021
8118         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8119         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8120         the pattern no matter if it is used just by non-pattern, pattern
8121         or mix thereof.
8122         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8123         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8124         oprnd1 def_stmt is in pattern, don't look through it.
8126 2016-03-03  Marek Polacek  <polacek@redhat.com>
8128         PR middle-end/70050
8129         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8131 2016-03-03  Martin Liska  <mliska@suse.cz>
8133         PR tree-optimization/70043
8134         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8135         previous statement if we see a debug statement.
8137 2016-03-03  Richard Biener  <rguenther@suse.de>
8139         PR tree-optimization/55936
8140         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8141         parameter and guard unsafe equivalence use.
8142         (vrp_evaluate_conditional_warnv_with_ops): Always use
8143         safe equivalences but not via the quadratic compare_names
8144         helper.
8146 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8148         PR target/70014
8149         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8150         for operand 1 to s_register_operand. Change predicate for operand
8151         2 to arm_not_immediate_operand.
8153 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8155         * doc/tm.texi: Regenerated.
8157 2016-03-02  Richard Henderson  <rth@redhat.com>
8159         PR rtl-opt/67145
8160         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8161         simplification when all args are positive non-fixed registers.
8163 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8165         * target.def (lra_p): Specify that new ports should use LRA.
8167 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8169         PR libgomp/69555
8170         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8171         gimplify_type_sizes the type they refer to.
8172         (omp_notice_variable): Handle reference vars to VLAs.
8173         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8174         reference to VLA decls in the second pass instead of first pass.
8176 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8178         PR tree-optimization/68659
8179         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8180         new_expr == NULL_TREE.
8181         (get_new_name): Handle ADDR_EXPR.
8183 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8185         PR rtl-optimization/69052
8186         * loop-invariant.c (canonicalize_address): New function.
8187         (inv_can_prop_to_addr_use): Check validity of address expression
8188         which is canonicalized by above function.
8190 2016-03-02  Alan Modra  <amodra@gmail.com>
8192         PR ipa/69990
8193         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8194         larger alignment.
8196 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8198         PR target/70028
8199         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8200         (*movhi_internal): Put mask moves from and to memory separately
8201         from moves from/to GPRs.
8203 2016-03-02  Richard Biener  <rguenther@suse.de>
8205         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8206         GENERIC expressions in GIMPLE.
8208 2016-03-02  Richard Biener  <rguenther@suse.de>
8210         * config/i386/i386.c (type_natural_mode): Fix typo.
8212 2016-03-02  Nick Clifton  <nickc@redhat.com>
8214         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8216 2016-03-02  Richard Biener  <rguenther@suse.de>
8217             Uros Bizjak  <ubizjak@gmail.com>
8219         PR target/67278
8220         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8222 2016-03-02  Richard Biener  <rguenther@suse.de>
8224         PR middle-end/67278
8225         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8227 2016-03-02  Marek Polacek  <polacek@redhat.com>
8229         PR c/67854
8230         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8231         "is promoted to" warning.
8233 2016-03-01  DJ Delorie  <dj@redhat.com>
8235         * config.gcc: Deprecate mep-*.
8237 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8239         PR middle-end/70025
8240         * lra-constraints.c (regno_val_use_in): New.
8241         (match_reload): Use it instead of regno_use_in.
8243 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8245         PR rtl-optimization/70007
8246         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8247         references present in REG_EQUAL notes attached to non-SET patterns.
8249 2016-03-01  Jeff Law  <law@redhat.com>
8251         PR tree-optimization/69196
8252         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8253         Appropriately clamp the number of statements to copy when the
8254         thread path does not traverse a loop backedge.
8256         PR tree-optimization/69196
8257         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8258         Do count some PHIs in the thread path against the insn count.  Decrease
8259         final statement count by one as the control statement in the last
8260         block will get removed.  Remove special cased code for handling PHIs
8261         in the last block.
8263 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8265         PR target/70027
8266         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8267         asm dialect alternatives to explicit GOTPCREL calls.
8269 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8271         PR ada/70017
8272         * ira.c (do_reload): Issue warning for generic stack checking here...
8273         * reload1.c (reload): ...instead of here and streamline it.
8275 2016-03-01  Nick Clifton  <nickc@redhat.com>
8277         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8279 2016-03-01  Richard Biener  <rguenther@suse.de>
8281         PR tree-optimization/69983
8282         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8283         types and fall back to operand_equal_p.
8285 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8287         Revert
8288         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8290         * config/s390/constraints.md ("jm8"): New constraint.
8291         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8292         predicate.
8293         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8294         into ...
8295         ("*setmem_long<setmem_and>"): New pattern.
8296         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8297         into ...
8298         ("*setmem_long_31z<setmem_and>"): New pattern.
8299         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8300         New substitution rules with the required attributes.
8303 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8305         Revert
8306         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8308         * gensupport.c (process_substs_on_one_elem): Split loop to
8309         complete mark_operands_used_in_match_dup on all expressions in the
8310         vector first.
8311         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8312         and remove function.
8314 2016-03-01  Richard Biener  <rguenther@suse.de>
8316         PR middle-end/70022
8317         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8318         vector BIT_FIELD_REF extract.
8320 2016-03-01  Richard Biener  <rguenther@suse.de>
8322         PR tree-optimization/69994
8323         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8325 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8327         PR tree-optimization/69956
8328         * tree-vect-stmts.c (supportable_widening_operation): Support
8329         multi-step conversion of boolean vectors.
8330         (supportable_narrowing_operation): Likewise.
8332 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8334         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8335         anymore.
8337 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8339         * config/s390/subst.md (DSI_VI): New mode iterator.
8340         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8341         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8342         the insn definition.
8343         ("*vec_set<mode>"): Change predicate and add alternative to
8344         support only either register or const_int operands as element
8345         selector.
8346         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8347         operands.
8348         ("vec_extract<mode>"): New expander.
8349         ("*vec_extract<mode>"): New insn definition supporting reg and
8350         const_int element selectors.
8351         ("*vec_extract<mode>_plus"): New insn definition supporting
8352         reg+const_int element selectors.
8353         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8354         following expander+insn definition.
8355         ("<vec_shifts_name><mode>3"): New expander.
8356         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8358 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8360         * config/s390/s390.md ("*tabort_1"): Change predicate to
8361         nonmemory_operand.  Add a second alternative to cover
8362         register as well as const int operands.
8363         ("*tabort_1_plus"): New pattern definition.
8365 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8367         * config/s390/s390.md ("*ashrdi3_cc_31")
8368         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8369         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8370         Merge insn definitions into ...
8371         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8372         New pattern definition.
8373         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8374         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8375         ("*ashr<mode>3_and"): Merge insn definitions into ...
8376         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8377         New pattern definition.
8378         * config/s390/subst.md ("addr_style_op_cc_subst")
8379         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8380         substitutions patterns plus attributes.
8381         Add ashiftrt to SUBST iterator.
8383 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8385         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8386         op2 to nonmemory_operand.
8387         ("*<shift>di3_31", "*<shift>di3_31_and"):
8388         Merge into single pattern definition ...
8389         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8390         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8391         pattern definition ...
8392         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8393         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8394         iterator.
8396 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8398         * config/s390/predicates.md (const_int_6bitset_operand): New
8399         predicate.
8400         * config/s390/s390.md: Include subst.md.
8401         ("rotl<mode>3"): New expander.
8402         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8403         ...
8404         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8405         * config/s390/subst.md: New file.
8407 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8409         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8410         Remove RRR type.  It doesn't really exist.
8411         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8412         attributes.
8413         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8414         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8415         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8416         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8417         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8418         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8419         `enabled' attribute.
8421 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8423         * gensupport.c (process_substs_on_one_elem): Split loop to
8424         complete mark_operands_used_in_match_dup on all expressions in the
8425         vector first.
8426         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8427         and remove function.
8429 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8431         PR target/69706
8432         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8433         (CEIL_NWORDS): ...this.  Use CEIL macro.
8434         (compute_fp_layout): Adjust to above renaming.
8435         (function_arg_union_value): Likewise.
8436         (sparc_arg_partial_bytes): Likewise.
8437         (sparc_function_arg_advance): Likewise.
8439 2016-02-29  Jeff Law  <law@redhat.com>
8441         PR tree-optimization/70005
8442         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8443         where an object with a boolean range is compared against a value
8444         outside [0..1].
8446         PR tree-optimization/69999
8447         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8448         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8449         loop cleanups.
8451 2016-02-29  Richard Biener  <rguenther@suse.de>
8453         PR tree-optimization/69994
8454         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8455         (get_unary_op): Look through nop conversions.
8456         (ops_equal_values_p): New function, look for equality diregarding
8457         nop conversions.
8458         (eliminate_plus_minus_pair): Use ops_equal_values_p
8459         (repropagate_negates): Do not use get_unary_op here.
8461 2016-02-29  Martin Liska  <mliska@suse.cz>
8463         * system.h: Poison ENABLE_CHECKING macro.
8465 2016-02-29  Martin Liska  <mliska@suse.cz>
8467         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8468         is presented in dump flags.
8469         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8470         (hsa_regalloc): Likewise.
8472 2016-02-19  Richard Biener  <rguenther@suse.de>
8474         PR tree-optimization/69980
8475         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8476         permutation of those we need to keep.
8478 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8480         PR target/69706
8481         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8482         (NWORDS_UP): ...this
8483         (init_cumulative_args): Minor tweaks.
8484         (sparc_promote_function_mode): Likewise.
8485         (scan_record_type): Delete.
8486         (traverse_record_type): New function template.
8487         (classify_data_t): New structure type.
8488         (classify_registers): New inline function.
8489         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8490         exhausted.  Instantiate traverse_record_type on classify_registers and
8491         deal with the case of a structure passed in slot #15 with no FP field
8492         in the first word.
8493         (assign_data_t): New structure type.
8494         (compute_int_layout): New static function.
8495         (compute_fp_layout): Likewise.
8496         (count_registers): New inline function.
8497         (assign_int_registers): New static function.
8498         (assign_fp_registers): Likewise.
8499         (assign_registers): New inline function.
8500         (function_arg_record_value_1): Delete.
8501         (function_arg_record_value_2): Likewise.
8502         (function_arg_record_value_3): Likewise.
8503         (function_arg_record_value): Adjust to above changes.  Instantiate
8504         traverse_record_type on count_registers to first count the number of
8505         registers to be used and then on assign_registers to assign them.
8506         (function_arg_union_value): Adjust to above renaming.
8507         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8508         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8509         case of a structure passed in slot #15
8510         (sparc_function_arg_advance): Likewise.
8511         (function_arg_padding): Minor tweak.
8513 2016-02-29  Richard Biener  <rguenther@suse.de>
8515         PR tree-optimization/69720
8516         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8517         the adjustment_def path for possibly vectorized defs.
8518         (vect_create_epilog_for_reduction): Handle vectorized initial
8519         defs properly.
8521 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8523         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8525 2016-02-27  Jeff Law  <law@redhat.com>
8527         Revert
8528         2016-02-26  Richard Biener  <rguenther@suse.de>
8529                     Jeff Law  <law@redhat.com>
8531         PR tree-optimization/69740
8532         * cfghooks.c (remove_edge): Request loop fixups if we delete
8533         an edge that might turn an irreducible loop into a natural
8534         loop.
8536 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8538         PR rtl-optimization/69896
8539         * tree-vect-generic.c (get_compute_type): Avoid single element
8540         vector types.
8542 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8544         Rename the AArch64 tuning option and related functions to enable the
8545         Newton series for the reciprocal square root to reflect its
8546         approximative characteristic.
8548         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8549         function to "aarch64_emit_approx_rsqrt".
8550         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8551         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8552         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8553         (xgene1_tunings): Likewise.
8554         (use_rsqrt_p): Likewise.
8555         (aarch64_emit_swrsqrt): Use new function name.
8556         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8557         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8558         text explaining this option.
8559         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8561 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8563         PR target/69969
8564         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8565         complain about -mallow-movmisalign without -mvsx if
8566         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8568 2016-02-26  Joel Sherrill  <joel@rtems.org>
8570         * config.gcc: Add x86_64-*-rtems*.
8571         * config/i386/rtems-64.h: New file.
8573 2016-02-26  Joel Sherrill  <joel@rtems.org>
8575         * config.gcc: Add aarch64-*-rtems*.
8576         * config/aarch64/rtems.h: New file.
8578 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8580         PR target/69946
8581         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8582         shift amount using %h.  Add comment.
8584 2016-02-26  Richard Biener  <rguenther@suse.de>
8585             Jeff Law  <law@redhat.com>
8587         PR tree-optimization/69740
8588         * cfghooks.c (remove_edge): Request loop fixups if we delete
8589         an edge that might turn an irreducible loop into a natural
8590         loop.
8592 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8594         PR middle-end/69920
8595         * tree-sra.c (sra_modify_assign): Do not remove loads of
8596         uninitialized aggregates to SSA_NAMEs.
8598 2016-02-26  Richard Henderson  <rth@redhat.com>
8600         PR target/69709
8601         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8602         pseudo in case the target rtx matches the source of the left
8603         shift.
8605 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8607         PR hsa/69568
8608         * hsa.h (hsa_type_packed_p): Declare.
8609         * hsa.c (hsa_type_packed_p): New function.
8610         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8611         loads.
8612         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8613         * hsa-brig.c (emit_basic_insn): Likewise.
8615 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8617         pr hsa/69674
8618         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8619         pointers.
8620         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8622 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8624         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8625         hsa_op_with_type operands.
8626         (hsa_unsigned_type_for_type): Declare.
8627         * hsa.c (hsa_unsigned_type_for_type): New function.
8628         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8629         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8630         the finalizer.  Do not emit extra move.
8632 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8634         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8635         atomic operations in private segment.
8637 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8639         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8640         statements to wi->info.  Also disallow omp simd constructs.
8641         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8642         for not gridifying.  Dump special string for omp_for.
8644 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8646         PR target/69245
8647         * config/aarch64/aarch64.c (aarch64_set_current_function):
8648         Save/restore target globals when switching to
8649         target_option_default_node.
8651 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8653         PR target/69613
8654         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8655         Return 0 if !SHIFT_COUNT_TRUNCATED.
8657 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8658             Eric Botcazou  <ebotcazou@adacore.com>
8660         PR rtl-optimization/69891
8661         * dse.c (scan_insn): If we can't figure out memset arguments
8662         or they are non-constant, call clear_rhs_from_active_local_stores.
8664 2016-02-26  Martin Liska  <mliska@suse.cz>
8666         * doc/extend.texi: Mention clog10, clog10f an clog10l
8667         in Builtins section.
8669 2016-02-26  Martin Liska  <mliska@suse.cz>
8671         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8672         CHECKING_P.
8673         (resolve_args_picking_1): Likewise.
8674         * dwarf2out.h (struct GTY): Likewise.
8676 2016-02-26  Martin Liska  <mliska@suse.cz>
8678         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8679         with flag_checking.
8680         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8682 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8683             Martin Liska  <mliska@suse.cz>
8685         * doc/install.texi: Mention --enable-valgrind-annotations.
8687 2016-02-26  Richard Biener  <rguenther@suse.de>
8689         PR tree-optimization/69551
8690         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8691         looking through aliases adjust DECL_PT_UID to refer to the
8692         ultimate alias target.
8694 2016-02-25  Martin Liska  <mliska@suse.cz>
8696         PR middle-end/69919
8697         * alloc-pool.c (after_memory_report): New variable.
8698         * alloc-pool.h (base_pool_allocator ::release): Do not use
8699         the infrastructure if after_memory_report.
8700         * toplev.c (toplev::main): Mark after memory report.
8702 2016-02-25  Richard Biener  <rguenther@suse.de>
8704         PR tree-optimization/48795
8705         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8707 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8709         PR driver/68463
8710         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8711         offloading is enabled and -fopenacc or -fopenmp is specified.
8712         (CRTOFFLOADEND): Likewise.
8713         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8714         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8715         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8716         (offload_objects_file_name): New static var.
8717         (tool_cleanup): Remove offload_objects_file_name file.
8718         (find_offloadbeginend): Replace with ...
8719         (find_crtoffloadtable): ... this.
8720         (run_gcc): Remove offload_argc and offload_argv.
8721         Get offload_objects_file_name from -foffload-objects=... option.
8722         Read names of object files with offload from this file, pass them to
8723         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8724         don't pass offloadbegin and offloadend to the linker.  Don't pass
8725         offload non-LTO files to the linker, because now they're not claimed.
8727 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8729         PR ipa/69630
8730         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8731         on builtin_unreachable.
8733 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8735         PR rtl-optimization/69896
8736         * regcprop.c: Include cfgrtl.h.
8737         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8738         than remembered mode, either delete it (if noop_move_p), or
8739         treat like copy_p but not noop_p instruction.
8741 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8743         PR debug/69705
8744         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8745         - allow NULL decl for Fortran DW_TAG_common_block variables.
8747 2016-02-24  Jason Merrill  <jason@redhat.com>
8749         * common.opt (flifetime-dse): Add -flifetime-dse=1.
8751 2016-02-24  Richard Biener  <rguenther@suse.de>
8752             Jakub Jelinek  <jakub@redhat.com>
8754         PR middle-end/69760
8755         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
8756         conditionally executed ops to well-defined overflow behavior.
8758 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8760         PR middle-end/69915
8761         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
8762         elements.
8764 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8766         PR rtl-optimization/69886
8767         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
8768         argument.  Use it when checking validity of set instructions.
8769         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
8770         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
8771         callsite.
8772         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
8773         * store-motion.c (find_moveable_store): Update
8774         can_assign_to_reg_without_clobbers_p callsite.
8776 2016-02-24  Richard Biener  <rguenther@suse.de>
8778         PR middle-end/68963
8779         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
8780         bogus check.
8781         (record_nonwrapping_iv): Do not fall back to the low/high bound
8782         for non-constant IV bases if the stmt is not always executed.
8784 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8786         * config/arm/arm-cores.def (cortex-a32): New entry.
8787         * config/arm/arm-tables.opt: Regenerate.
8788         * config/arm/arm-tune.md: Regenerate.
8789         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
8790         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
8791         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
8792         for -mcpu and -mtune.
8794 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8796         PR target/69875
8797         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
8798         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
8799         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
8800         (atomic_loaddi_1): Delete.
8801         (atomic_loaddi): Rewrite expander using the above changes.
8803 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8805         PR c/69918
8806         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
8807         2 to 3.
8809 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8810             Richard Biener  <rguenth@suse.de>
8812         PR middle-end/69909
8813         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
8814         set_mem_attributes if tem is SSA_NAME which got expanded
8815         as a MEM.
8817 2016-02-24  Richard Biener  <rguenther@suse.de>
8819         PR tree-optimization/69907
8820         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
8821         end of permutations for BB vectorization.
8823 2016-02-24  Christian Bruel  <christian.bruel@st.com>
8825         * config/arm/arm-c.c (arm_option_override): Initialize
8826         target_option_current_node.
8827         * config/arm/arm.c (arm_pragma_target_parse): Replace
8828         build_target_option_node call by target_option_current_node.
8829         Set target_option_current_node.
8830         Fix comments.
8832 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
8834         PR target/69810
8835         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
8836         define_insn_and_split to define_insn.
8837         (zero_extendqi<mode>2_dot2): Same.
8838         (extendqi<mode>2_dot): Same.
8839         (extendqi<mode>2_dot2): Same.
8841 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
8843         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
8844         and add bypass for AES{D,E} and AESMC pairs.
8845         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
8846         and AESMC pairs.
8848 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
8850         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
8851         series for reciprocal square root in Exynos M1.
8853 2016-02-23  Martin Sebor  <msebor@redhat.com>
8855         PR c/69759
8856         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
8857         __builtin_alloca_with_align.
8859 2016-02-23  Richard Henderson  <rth@redhat.com>
8861         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
8862         (ix86_register_pragmas): Remove __seg_tls.
8863         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
8864         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
8865         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
8866         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
8867         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
8868         * doc/extend.texi (__seg_tls): Remove item.
8870 2016-02-23  Richard Biener  <rguenther@suse.de>
8872         * alloc-pool.h (struct allocation_object): Make id member
8873         conditional on CHECKING_P again.
8874         (get_instance): Adjust.
8875         (base_pool_allocator): Likewise.
8877 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
8879         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
8880         (parallelize_loops): In OpenACC kernels mode, set n_threads to
8881         zero.
8882         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
8883         flag_openacc.
8884         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
8886 2016-02-23  Richard Biener  <rguenther@suse.de>
8888         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
8889         * bitmap.h (struct bitmap_usage): Likewise.
8890         (bitmap_move): Declare.
8891         * bitmap.c (register_overhead): Take size_t argument.
8892         (bitmap_move): New function.
8893         * df-problems.c (df_rd_transfer_function): Use bitmap_move
8894         to properly account overhead.
8895         * tree.c (free_node): Use tree_size.
8897 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
8899         PR c++/69902
8900         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
8901         when inverting comparison.
8903         PR c/69900
8904         * common.opt (Wunreachable-code): Add Warning flag.
8906 2016-02-23  Mark Wielaard  <mjw@redhat.com>
8907             Jakub Jelinek  <jakub@redhat.com>
8909         PR c/69911
8910         * cgraphunit.c (check_global_declaration): Check main_input_filename
8911         and DECL_SOURCE_FILE are not NULL.
8913 2016-02-23  Martin Jambor  <mjambor@suse.cz>
8915         PR tree-optimization/69666
8916         * tree-sra.c (sra_modify_assign): Do not attempt to create
8917         default_def replacements for unscalarizable regions.
8919 2016-02-20  Mark Wielaard  <mjw@redhat.com>
8921         PR c/28901
8922         * cgraphunit.c (check_global_declaration): Check level of
8923         warn_unused_const_variable and main_input_filename.
8924         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
8925         (-Wunused-variable): For C implies -Wunused-const-variable=1.
8926         (-Wunused-const-variable): Explain levels 1 and 2.
8928 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
8930         PR target/69888
8931         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
8932         identical arguments.  Formatting and spelling fixes.
8934         PR target/69885
8935         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
8936         be specified.
8938         PR target/69894
8939         PR target/69895
8940         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
8941         and m68k-devices.def.
8942         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
8943         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
8945 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
8947         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
8948         and HImode registers.
8950 2016-02-22  Richard Biener  <rguenther@suse.de>
8952         PR tree-optimization/69882
8953         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
8954         preserve permutations present because of gaps.
8955         (vect_supported_load_permutation_p): Always continue checking
8956         permutations after vect_attempt_slp_rearrange_stmts.
8958 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
8960         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
8961         min_profitable_estimate, rather than min_profitable_iters.
8963 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
8965         PR target/69885
8966         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
8967         SImode for last match_operand.
8969 2016-02-22  Martin Liska  <mliska@suse.cz>
8971         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
8972         return bitsize - 1 as the return value.
8974 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
8976         PR target/69806
8977         PR target/54089
8978         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
8979         Handle negative shift counts.
8980         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
8981         force_reg on the shift constant.
8982         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
8983         (lshrsi3_d): Handle negative shift counts.
8985 2016-02-22  Richard Biener  <rguenther@suse.de>
8986             Tom de Vries  <tom@codesourcery.com>
8988         * graph.c: Include dumpfile.h.
8989         (print_graph_cfg): Split into three overloads.
8990         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
8992 2016-02-22  Tom de Vries  <tom@codesourcery.com>
8994         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
8995         dump-fn.
8997 2016-02-22  Richard Biener  <rguenther@suse.de>
8999         PR ipa/37448
9000         * ipa-inline-transform.c (inline_call): When not updating
9001         overall summaries adjust self size by the growth estimate.
9002         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9003         hash-set, do not update overall summaries here.  Renamed from ...
9004         (inline_to_all_callers): ... this which is now wrapping the
9005         above and performing delayed overall summary update.
9006         (early_inline_small_functions): Delay updating of the overall
9007         summary.
9009 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9011         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9012         variable.
9014 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9016         PR driver/69805
9017         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9018         :%* in %:gt() argument.
9019         (greater_than_spec_func): Adjust for expecting only numbers,
9020         if there are more than two numbers, compare the last two.
9022 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9024         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9025         -Wnarrowing with -std.
9027 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9029         PR c++/69851
9030         * expr.c (store_field): Don't use bit-field path if exp is
9031         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9032         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9033         and the assignment can be performed by bitwise copy.  Formatting
9034         fix.
9036         PR middle-end/69838
9037         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9038         call copy_reg_eh_region_note_forward on before and/or after sequences
9039         and remove note from insn if it no longer can throw.
9041         PR target/69820
9042         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9043         if TARGET_AVX512BW.
9045 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9047         * config/s390/vector.md: Add missing commutative operand markers
9048         to the patterns which qualify for one.
9049         * config/s390/vx-builtins.md: Likewise.
9051 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9053         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9054         types to mode iterators.
9055         (vec_double): ... and mode attribute.
9056         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9058 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9060         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9061         Change the predicate of op2 from nonimmediate to general and let
9062         reload fix it if necessary.
9064 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9066         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9068 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9070         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9071         mode.
9073 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9075         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9076         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9077         * config/s390/s390.md ("movstr<P:mode>"): Call
9078         s390_expand_vec_movstr.
9080 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9082         * config/s390/s390.md: Add missing output modifier for operand 1
9083         to print it as address properly.
9085 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9087         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9088         * config/s390/2964.md: New file.
9089         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9090         of insn grouping attributes depending on the CPU level.
9091         (s390_get_unit_mask): New function.
9092         (s390_sched_score): Remove the OOO from the scheduling macros.
9093         Add loop to calculate a score for the instruction mix.
9094         (s390_sched_reorder): Likewise plus improve debug output.
9095         (s390_sched_variable_issue): Rename macros as above.  Calculate
9096         the unit distances after actually scheduling an insn.  Improve
9097         debug output.
9098         (s390_sched_init): Clear last_scheduled_unit_distance array.
9099         * config/s390/s390.md: Include 2964.md.
9101 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9103         PR target/69671
9104         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9105         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9106         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9107         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9108         *avx512f_<code>v8div16qi2_mask_1): New insns.
9110 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9112         PR target/68404
9113         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9114         2016-02-09 change.
9116         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9117         earlyclobber from target.  Use wF constraint for fused memory
9118         address.
9119         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9121 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9122             Martin Liska  <mliska@suse.cz>
9124         PR sanitizer/69863
9125         * cfgexpand.c (asan_sanitize_stack_p): New function.
9126         (partition_stack_vars): Use the function.
9127         (expand_stack_vars): Likewise.
9128         (defer_stack_allocation): Likewise.
9129         (expand_used_vars): Likewise.
9131 2016-02-18  Richard Biener  <rguenther@suse.de>
9133         PR middle-end/69553
9134         * fold-const.c (operand_equal_p): Properly compare offsets for
9135         IMAGPART_EXPR and ARRAY_REF.
9137 2016-02-18  Nick Clifton  <nickc@redhat.com>
9139         PR target/62254
9140         PR target/69610
9141         * config/arm/arm.c (arm_option_override_internal): Disable
9142         interworking if the target does not support thumb instructions.
9143         (arm_reload_in_hi): Handle the case where a register to register
9144         move needs reloading because there is no simple pattern to handle
9145         it.
9146         (arm_reload_out_hi): Likewise.
9148 2016-02-18  Richard Biener  <rguenther@suse.de>
9150         PR middle-end/69854
9151         * match.pd: Don't use fold_binary or fold_unary for folding
9152         constants.
9154 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9156         PR c++/69850
9157         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9158         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9159         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9160         warn on gimple_no_warning_p statements.
9162 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9164         * doc/extend.texi (C++ Attributes): Correct description of
9165         warn_unused type attribute.
9167 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9169         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9170         correct instruction.
9172 2016-02-17  Richard Biener  <rguenther@suse.de>
9174         PR rtl-optimization/69609
9175         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9176         (find_traces_1_round): When ending a trace update cached priority
9177         of successors.
9178         (bb_to_key): Use cached priority when available.
9179         (copy_bb): Initialize cached priority.
9180         (reorder_basic_blocks_software_trace_cache): Likewise.
9182 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9184         PR target/69161
9185         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9186         New predicate.
9187         (aarch64_comparison_operator): Break overly long line into two.
9188         (aarch64_comparison_operation): Likewise.
9189         * config/aarch64/aarch64.md (cstorecc4): Use
9190         aarch64_comparison_operator_mode instead of
9191         aarch64_comparison_operator.
9192         (cstore<mode>4): Likewise.
9193         (aarch64_cstore<mode>): Likewise.
9194         (*cstoresi_insn_uxtw): Likewise.
9195         (cstore<mode>_neg): Likewise.
9196         (*cstoresi_neg_uxtw): Likewise.
9198 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9200         PR target/69161
9201         * config/arm/predicates.md (arm_comparison_operator_mode):
9202         New predicate.
9203         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9204         instead of arm_comparison_operator.
9205         (*mov_negscc): Likewise.
9206         (*mov_notscc): Likewise.
9207         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9208         (*thumb2_mov_negscc): Likewise.
9209         (*thumb2_mov_negscc_strict_it): Likewise.
9210         (*thumb2_mov_notscc): Likewise.
9211         (*thumb2_mov_notscc_strict_it): Likewise.
9213 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9215         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9216         Add missing return.
9218 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9220         * config/visium/visium.c (machine_libfunc_index): New enum.
9221         (machine_libfuncs): New structure.
9222         (visium_libfuncs): New static variable.
9223         (TARGET_INIT_LIBFUNCS): Define to...
9224         (visium_init_libfuncs): ...this.  New function.
9225         (expand_block_move_4): Use the appropriate libfunc.
9226         (expand_block_move_2): Likewise.
9227         (expand_block_move_1): Likewise.
9228         (expand_block_set_4): Likewise.
9229         (expand_block_set_2): Likewise.
9230         (expand_block_set_1): Likewise.
9231         (visium_trampoline_init): Likewise.
9233 2016-02-17  Nick Clifton  <nickc@redhat.com>
9235         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9236         TI's devices.csv file as of March 2016.
9238 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9240         PR Target/48344
9241         * opts-global.c (handle_common_deferred_options): Introduce and
9242         initialize two global variables to remember command-line options
9243         specifying a stack-limiting register.
9244         * opts.h: Add extern declarations of the two new global variables.
9245         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9246         variable based on the values of the two new global variables.
9248 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9250         PR c/69835
9251         * common.opt (Wnonnull-compare): New warning.
9252         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9253         of arguments against NULL.
9254         (-Wnonnull-compare): Document.
9255         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9256         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9257         * passes.def (pass_warn_nonnull_compare): Add.
9258         * gimple-ssa-nonnull-compare.c: New file.
9260 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9262         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9263         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9265 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9267         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9268         reciprocal sqrt for -mlow-precision-recip-sqrt.
9270 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9271             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9273         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9274         always use lane loads to construct non-constant vectors.
9276 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9278         * config/aarch64/aarch64.md
9279         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9280         constraints for operand 3.
9281         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9283 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9284             Richard Biener  <rguenther@suse.de>
9286         PR tree-optimization/69820
9287         * tree-vect-patterns.c (type_conversion_p): Return false if
9288         *orig_type is unsigned single precision or boolean.
9289         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9290         Formatting fix.
9292 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9294         PR rtl-optimization/69764
9295         PR rtl-optimization/69771
9296         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9297         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9299 2016-02-16  Richard Biener  <rguenther@suse.de>
9301         PR tree-optimization/69776
9302         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9303         sets from caller.
9304         (indirect_refs_may_alias_p): Likewise.
9305         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9306         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9307         according to tbaa_p.
9308         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9309         (optimize_stmt): For redundant store discovery do not allow tbaa.
9311 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9313         PR tree-optimization/69714
9314         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9315         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9317 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9319         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9320         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9321         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9322         * config/arc/arc.c (arc_init): Check FPU options.
9323         (get_arc_condition_code): Handle new CC_FPU* modes.
9324         (arc_select_cc_mode): Likewise.
9325         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9326         register pair only. Allow access for ARCv2 accumulator.
9327         (gen_compare_reg): Whenever we have FPU support use FPU compare
9328         instructions.
9329         (arc_reorg): Don't generate brcc insns when FPU compare
9330         instructions are involved.
9331         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9332         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9333         floating point emulation.
9334         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9335         (REVERSE_CONDITION): Add new CC_FPU* modes.
9336         (TARGET_FP_SP_BASE): Define.
9337         (TARGET_FP_DP_BASE): Likewise.
9338         (TARGET_FP_SP_FUSED): Likewise.
9339         (TARGET_FP_DP_FUSED): Likewise.
9340         (TARGET_FP_SP_CONV): Likewise.
9341         (TARGET_FP_DP_CONV): Likewise.
9342         (TARGET_FP_SP_SQRT): Likewise.
9343         (TARGET_FP_DP_SQRT): Likewise.
9344         (TARGET_FP_DP_AX): Likewise.
9345         * config/arc/arc.md (ARCV2_ACC): New constant.
9346         (type): New fpu type attribute.
9347         (SDF): Conditional iterator.
9348         (cstore<mode>, cbranch<mode>): Change expand condition.
9349         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9350         handles FPU/FPX cases as well.
9351         * config/arc/arc.opt (mfpu): New option.
9352         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9353         Renamed.
9354         (adddf3, muldf3, subdf3): Removed.
9355         * config/arc/predicates.md (proper_comparison_operator): Recognize
9356         CC_FPU* modes.
9357         * config/arc/fpu.md: New file.
9358         * doc/invoke.texi (ARC Options): Document mfpu option.
9360 2016-02-16  Richard Biener  <rguenther@suse.de>
9362         PR rtl-optimization/69291
9363         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9364         noce_operand_ok check.
9366 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9368         PR lto/67709
9369         * omp-low.c (simd_clone_create): Remove call to
9370         symtab->call_cgraph_insertion_hooks.
9372 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9374         PR tree-optimization/69802
9375         * tree-ssa-reassoc.c (update_range_test): If op is
9376         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9377         op == 1 test of precision 1 integral op, otherwise handle
9378         that case as op itself.  Fix up formatting.
9379         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9380         up formatting.
9382 2016-02-16  Richard Biener  <rguenther@suse.de>
9384         PR tree-optimization/69586
9385         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9386         types for conversion sources.
9388 2016-02-16  Richard Biener  <rguenther@suse.de>
9390         PR middle-end/69801
9391         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9392         mask OEP_ADDRESS_OF.
9394 2016-02-16  Alan Modra  <amodra@gmail.com>
9396         PR target/68973
9397         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9398         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9399         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9400         (p8_mtvsrwz): New.
9401         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9402         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9403         (p8_fmrgow_<mode>): Likewise.
9404         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9405         changes.
9406         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9407         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9408         to use movdi_internal64.  Remove op0_di.
9409         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9411 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9413         Add support for the FCCMP insn types
9415         * config/aarch64/aarch64.md (fccmp): Change insn type.
9416         (fccmpe): Likewise.
9417         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9418         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9419         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9420         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9421         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9422         * config/arm/types.md (fccmps): Add new insn type.
9423         (fccmpd): Likewise.
9425 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9427         * alias.c (get_alias_set): Fix a typo in comment.
9429 2016-02-15  Richard Biener  <rguenther@suse.de>
9431         PR tree-optimization/69595
9432         * match.pd: Complete range test simplification to true.
9434 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9436         PR rtl-optimization/69648
9437         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9438         pic_offset_table_rtx.
9440         PR rtl-optimization/69752
9441         * ira.c (update_equiv_regs): When looking for more than a single SET,
9442         also take other side effects into account.
9444 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9446         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9447         for z900+ CPUs in 31-bit mode.
9449 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9451         * common/config/s390/s390-common.c (s390_supports_split_stack):
9452         New function.
9453         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9454         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9455         * config/s390/s390.c (struct machine_function): New field
9456         split_stack_varargs_pointer.
9457         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9458         in s390_emit_prologue.
9459         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9460         vararg pointer.
9461         (morestack_ref): New global.
9462         (SPLIT_STACK_AVAILABLE): New macro.
9463         (s390_expand_split_stack_prologue): New function.
9464         (s390_live_on_entry): New function.
9465         (s390_va_start): Use split-stack vararg pointer if appropriate.
9466         (s390_asm_file_end): Emit the split-stack note sections.
9467         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9468         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9469         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9470         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9471         (split_stack_prologue): New expand.
9472         (split_stack_space_check): New expand.
9473         (split_stack_data): New insn.
9474         (split_stack_call): New expand.
9475         (split_stack_call_*): New insn.
9476         (split_stack_cond_call): New expand.
9477         (split_stack_cond_call_*): New insn.
9479 2016-02-15  Richard Biener  <rguenther@suse.de>
9481         PR tree-optimization/69783
9482         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9483         Add trivially correct cases.
9485 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9487         PR lto/69655
9488         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9489         do_force_output.
9490         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9492 2016-02-15  Richard Biener  <rguenther@suse.de>
9494         PR tree-optimization/69776
9495         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9496         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9497         indicate whether we can use TBAA to disambiguate against stores.
9498         Use alias-set zero if not.
9499         (visit_reference_op_store): Do not use TBAA when looking up
9500         redundant stores.
9501         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9502         (eliminate_dom_walker::before_dom_children): But not when looking
9503         up redundant stores.
9505 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9507         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9509 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9511         *  config/i386/znver1.md
9512         (znver1_pop, znver1_pop_mem,
9513         znver1_load_imov_double_store,
9514         znver1_load_imov_direct_store,
9515         znver1_load_imov_direct_load,
9516         znver1_load_imov_double_load): Add new.
9517         (znver1_insn, znver1_insn_load): Add icmov type.
9518         (znver1_sseavx_fma,
9519         znver1_sseavx_fma_load,
9520         znver1_avx256_fma,
9521         znver1_avx256_fma_load): Fix pipe usage.
9523 2016-02-14  Alan Modra  <amodra@gmail.com>
9525         PR target/68973
9526         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9527         with an invalid hard reg, reload just the reg not the entire
9528         pre/post-inc/dec address expression.
9530 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9532         PR target/67260
9533         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9534         fixed R1_REG scratch reg.
9535         (sibcall_value_pcrel_fdpic): Likewise.
9537 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9539         PR target/67636
9540         PR target/64345
9541         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9543 2016-02-12  Walter Lee  <walt@tilera.com>
9545         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9546         * config/tilegx/t-tilegx: Likewise.
9548 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9550         PR other/69554
9551         * diagnostic-show-locus.c (struct line_span): New struct.
9552         (layout::get_first_line): Delete.
9553         (layout::get_last_line): Delete.
9554         (layout::get_num_line_spans): New member function.
9555         (layout::get_line_span): Likewise.
9556         (layout::print_heading_for_line_span_index_p): Likewise.
9557         (layout::get_expanded_location): Likewise.
9558         (layout::calculate_line_spans): Likewise.
9559         (layout::m_first_line): Delete.
9560         (layout::m_last_line): Delete.
9561         (layout::m_line_spans): New field.
9562         (layout::layout): Update comment.  Replace m_first_line and
9563         m_last_line with m_line_spans, replacing their initialization
9564         with a call to calculate_line_spans.
9565         (diagnostic_show_locus): When printing source lines and
9566         annotations, rather than looping over a single span
9567         of lines, instead loop over each line_span within
9568         the layout, with an inner loop over the lines within them.
9569         Call the context's start_span callback when changing line spans.
9570         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9571         (diagnostic_build_prefix): Break out the building of the location
9572         part of the string into...
9573         (diagnostic_get_location_text): ...this new function, rewriting
9574         it from nested ternary expressions to a sequence of "if"
9575         statements.
9576         (default_diagnostic_start_span_fn): New function.
9577         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9578         (diagnostic_context::start_span): New field.
9579         (default_diagnostic_start_span_fn): New prototype.
9581 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9583         PR driver/69779
9584         * gcc.c (driver::finalize): Fix cleanup of "specs".
9586 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9588         PR driver/69265
9589         PR driver/69453
9590         * gcc.c (driver::driver): Initialize m_option_suggestions.
9591         (driver::~driver): Clean up m_option_suggestions.
9592         (suggest_option): Convert to...
9593         (driver::suggest_option): ...this, and split out into
9594         driver::build_option_suggestions and find_closest_string.
9595         (driver::build_option_suggestions): New function, from
9596         first half of suggest_option.  Special-case
9597         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9598         the sanitizer_opts array.  For options of enum types, add the
9599         various enum values to the candidate strings.
9600         (driver::handle_unrecognized_options): Remove "const".
9601         * gcc.h (driver::handle_unrecognized_options): Likewise.
9602         (driver::build_option_suggestions): New decl.
9603         (driver::suggest_option): New decl.
9604         (driver::m_option_suggestions): New field.
9605         * opts-common.c (add_misspelling_candidates): New function.
9606         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9607         and make non-static.
9608         * opts.h (sanitizer_opts): New array decl.
9609         (add_misspelling_candidates): New function decl.
9610         * spellcheck.c (find_closest_string): New function.
9611         * spellcheck.h (find_closest_string): New function decl.
9613 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9615         PR rtl-optimization/69764
9616         PR rtl-optimization/69771
9617         * optabs.c (expand_binop_directly): For shift_optab_p, force
9618         convert_modes with VOIDmode if xop1 has VOIDmode.
9620 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9622         PR target/69729
9623         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9624         to correctly determine instrumentation thunks.
9626 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9628         PR ipa/69241
9629         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9630         type by reference, force lhs on the call.
9632         PR ipa/68672
9633         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9634         Compute retval and retbnd early in all cases if split_part_return_p
9635         and return_bb is not EXIT.  Remove all clobber stmts and reset
9636         all debug stmts that refer to SSA_NAMEs defined in split part,
9637         except if it is retval, in that case replace the old retval with the
9638         lhs of the call to the split part.
9640 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9642         revert:
9643         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9645         PR middle-end/66726
9646         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9647         whose result is used in PHI.
9648         (maybe_optimize_range_tests): Likewise.
9649         (final_range_test_p): Likweise.
9651 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9653         PR middle-end/66726
9654         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9655         whose result is used in PHI.
9656         (maybe_optimize_range_tests): Likewise.
9657         (final_range_test_p): Likweise.
9659 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9661         * cgraph.c: Spelling fixes - behaviour -> behavior and
9662         neighbour -> neighbor.
9663         * target.def: Likewise.
9664         * sel-sched.c: Likewise.
9665         * config/mips/mips.c: Likewise.
9666         * config/arc/arc.md: Likewise.
9667         * config/arm/cortex-a57.md: Likewise.
9668         * config/arm/arm.c: Likewise.
9669         * config/arm/neon.md: Likewise.
9670         * config/arm/arm-c.c: Likewise.
9671         * config/vms/vms-c.c: Likewise.
9672         * config/s390/s390.c: Likewise.
9673         * config/i386/znver1.md: Likewise.
9674         * config/i386/i386.c: Likewise.
9675         * config/ia64/hpux-unix2003.h: Likewise.
9676         * config/msp430/msp430.md: Likewise.
9677         * config/rx/rx.c: Likewise.
9678         * config/rx/rx.md: Likewise.
9679         * config/aarch64/aarch64-simd.md: Likewise.
9680         * config/aarch64/aarch64.c: Likewise.
9681         * config/nvptx/nvptx.c: Likewise.
9682         * config/bfin/bfin.c: Likewise.
9683         * config/cris/cris.opt: Likewise.
9684         * config/rs6000/rs6000.c: Likewise.
9685         * target.h: Likewise.
9686         * spellcheck.c: Likewise.
9687         * ira-build.c: Likewise.
9688         * tree-inline.c: Likewise.
9689         * builtins.c: Likewise.
9690         * lra-constraints.c: Likewise.
9691         * explow.c: Likewise.
9692         * hwint.h: Likewise.
9693         * targhooks.c: Likewise.
9694         * tree-vect-data-refs.c: Likewise.
9695         * expr.c: Likewise.
9696         * doc/tm.texi: Likewise.
9697         * doc/extend.texi: Likewise.
9698         * doc/install.texi: Likewise.
9699         * doc/md.texi: Likewise.
9700         * tree-ssa-tail-merge.c: Likewise.
9701         * sched-int.h: Likewise.
9702         * match.pd: Likewise.
9703         * sched-ebb.c: Likewise.
9704         * target.def (omit_struct_return_reg): Likewise.
9705         * gimple-ssa-isolate-paths.c: Likewise.
9706         (find_implicit_erroneous_behaviour): Renamed to...
9707         (find_implicit_erroneous_behavior): ... this.
9708         (find_explicit_erroneous_behaviour): Renamed to...
9709         (find_explicit_erroneous_behavior): ... this.
9710         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9712 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9714         PR rtl-optimization/64682
9715         PR rtl-optimization/69567
9716         PR rtl-optimization/69737
9717         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9718         in I2 as well, just lose it.
9720 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9722         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9723         New variable.
9724         (aarch64_last_printed_tune_string): Likewise.
9725         (aarch64_declare_function_name): Only output .arch assembler
9726         directive if it will be different from the previously output
9727         directive.  Same for .tune comment but only if -dA is set.
9728         (aarch64_start_file): New function.
9729         (TARGET_ASM_FILE_START): Define.
9731 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9733         PR plugins/69758
9734         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9736 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9738         PR target/65313
9739         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9740         -Wmaybe-uninitialized warning.
9742 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9744         PR target/69713
9745         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9747 2016-02-11  Richard Biener  <rguenther@suse.de>
9749         PR rtl-optimization/69291
9750         * ifcvt.c (noce_try_store_flag_constants): Do not allow
9751         subexpressions affected by changing the result.
9753 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9755         PR target/69148
9756         * lra-constraints.c (curr_insn_transform): Find in/out operands
9757         for secondary memory moves.  Update dups.
9759 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
9761         PR tree-optimization/69652
9762         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
9763         to nested loop, did source re-formatting, skip debug statements,
9764         add check on statement with volatile operand, remove dead scalar
9765         statements.
9767 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
9768             Patrick Palka  <ppalka@gcc.gnu.org>
9770         PR ipa/69241
9771         PR c++/69649
9772         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
9773         calls if the return type is TREE_ADDRESSABLE.
9774         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
9775         * ipa-split.c (split_function): Fix doubled "we" in comment.
9776         Use void return type for the split part even if
9777         !split_point->split_part_set_retval.
9779 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
9781         PR tree-optimization/68021
9782         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
9783         when computing the value of biv cand by itself.
9785 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9787         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
9788         (cortexa57_tunings): Likewise.
9789         (cortexa72_tunings): Likewise.
9790         (arch_macro_fusion_pair_p): Add support for AES fusion.
9791         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
9792         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
9793         Allow virtual registers before reload so early scheduling works.
9794         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
9795         correct latency and pipeline.
9796         (cortex_a57_crypto_complex): Likewise.
9797         (cortex_a57_crypto_xor): Likewise.
9798         (define_bypass): Add AES bypass.
9800 2016-02-10  Richard Biener  <rguenther@suse.de>
9802         PR tree-optimization/69726
9803         * passes.def: Add DCE pass before late uninit.
9804         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
9805         really fixup if-conversions job.
9807 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9809         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
9810         (arm_cortex_a57_tune): Likewise.
9811         (aarch_macro_fusion_pair_p): Add support for AES fusion.
9812         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
9814 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9816         * timevar.def (TV_PHASE_DBGINFO): Delete.
9817         (TV_PHASE_CHECK_DBGINFO): Likewise.
9818         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
9820 2016-02-10  Richard Biener  <rguenther@suse.de>
9822         PR tree-optimization/69719
9823         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9824         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
9826 2016-02-09  Andrew Pinski  <apinski@cavium.com>
9828         PR tree-opt/69282
9829         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
9830         get_vcond_mask_icode returns false.
9832 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
9834         PR target/68404
9835         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
9836         an ADDIS that adds a pointer to a large constant that sets the
9837         upper16 bits with a load operation.
9839 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
9841         PR target/68532
9842         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
9843         order.
9844         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
9845         endian.
9846         (vzipq_s16): Likewise.
9847         (vzipq_s32): Likewise.
9848         (vzipq_f32): Likewise.
9849         (vzipq_u8): Likewise.
9850         (vzipq_u16): Likewise.
9851         (vzipq_u32): Likewise.
9852         (vzipq_p8): Likewise.
9853         (vzipq_p16): Likewise.
9855 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
9857         PR target/68532
9858         * config/arm/arm.c (neon_endian_lane_map): New function.
9859         (neon_vector_pair_endian_lane_map): New function.
9860         (arm_evpc_neon_vuzp): Allow for big endian lane order.
9861         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
9862         endian.
9863         (vuzpq_s16): Likewise.
9864         (vuzpq_s32): Likewise.
9865         (vuzpq_f32): Likewise.
9866         (vuzpq_u8): Likewise.
9867         (vuzpq_u16): Likewise.
9868         (vuzpq_u32): Likewise.
9869         (vuzpq_p8): Likewise.
9870         (vuzpq_p16): Likewise.
9872 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
9874         PR target/69634
9875         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
9876         debug insns.
9878 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
9880         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
9881         truncate const_int operand 1 to QImode.
9883 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9885         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
9886         corresponding to an abnormal edge.
9888 2016-02-09  Tom de Vries  <tom@codesourcery.com>
9890         PR tree-optimization/69599
9891         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
9892         function.
9893         (find_func_aliases_for_builtin_call, find_func_clobbers)
9894         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
9895         partition.
9897 2016-02-09  Richard Biener  <rguenther@suse.de>
9899         PR tree-optimization/69715
9900         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
9901         LHS on calls as non-rewritable.
9903 2016-02-09  Tom de Vries  <tom@codesourcery.com>
9905         PR lto/69707
9906         * lto-wrapper.c (append_diag_options): New function.
9907         (compile_offload_image): Call append_diag_options.
9909 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
9911         PR other/69722
9912         * doc/extend.texi (Flag Output Operands): Correct sectioning.
9913         Minor copy-edit to fix verb tenses.
9915 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
9917         PR tree-optimization/69209
9918         * ipa-split.c (split_function): If split part is not
9919         returning retval, retval has gimple type but is not
9920         gimple value, force it into a SSA_NAME first.
9922 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
9924         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
9925         outdated section.
9927 2016-02-08  Jason Merrill  <jason@redhat.com>
9929         PR c++/69631
9930         * convert.c (convert_to_integer_1): Check dofold on truncation
9931         distribution.
9932         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
9933         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
9934         Rename from *_nofold.
9935         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
9936         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
9938 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
9940         PR target/60410
9941         * tree.c (build_common_tree_nodes): Remove short_double argument.
9942         All callers changed.
9943         * tree.h (build_common_tree_nodes): Adjust declaration.
9944         * doc/invoke.texi (-fshort-double): Remove documentation.
9945         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9946         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
9947         * lto-wrapper.c (merge_and_complain, append_compiler_options)
9948         (append_linker_options): Don't handle OPT_fshort_double.
9950         PR rtl-optimization/68730
9951         * lra-remat.c (insn_to_cand_activation): New static variable.
9952         (lra_remat): Allocate and free it.
9953         (create_cand): New arg activation. Initialize a field in
9954         insn_to_cand_activation if it is nonnull.
9955         (create_cands): Pass the activation insn to create_cand when making
9956         a candidate involving an output reload.  Reorganize code a little.
9957         (do_remat): Keep track of active status of candidates in a separate
9958         bitmap.
9960 2016-02-08  Richard Biener  <rguenther@suse.de>
9962         PR tree-optimization/69719
9963         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9964         Properly use absolute of the difference of the two offsets to
9965         compare or adjust the segment length.
9967 2016-02-08  Richard Biener  <rguenther@suse.de>
9968             Jeff Law  <law@redhat.com>
9970         PR target/68273
9971         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
9972         types for anonymous SSA names.
9974 2016-02-08   Richard Biener  <rguenther@suse.de>
9976         PR rtl-optimization/69274
9977         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
9979 2016-02-08  Jeff Law  <law@redhat.com>
9981         PR tree-optimization/65917
9982         * tree-ssa-dom.c (record_temporary_equivalences): Record both
9983         equivalences from if (x == y) style conditionals.
9984         (loop_depth_of_name): Remove.
9985         (record_equality): Remove loop depth check.
9986         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
9987         (const_and_copies::record_const_or_copy_raw): New member function.
9988         * tree-ssa-scopedtables.c
9989         (const_and_copies::record_const_or_copy_raw): New, factored out of
9990         (const_and_copies::record_const_or_copy): Call new member function.
9992 2016-02-05  Jeff Law  <law@redhat.com>
9994         PR tree-optimization/68541
9995         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
9996         (count_stmts_in_block): New function.
9997         (poor_ifcvt_candidate_code): Likewise.
9998         (is_feasible_trace): Add some heuristics to determine when path
9999         splitting is profitable.
10000         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10001         is a diamond with a single exit.
10003 2016-02-05  Martin Sebor  <msebor@redhat.com>
10005         PR c++/69662
10006         * doc/invoke.texi: Update -Wplacement-new to take an optional
10007         argument.
10009 2016-02-06  Richard Henderson  <rth@redhat.com>
10011         PR c/69643
10012         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10013         out of non-standard address spaces.
10015 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10017         PR rtl-optimization/69691
10018         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10020 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10022         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10023         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10024         (*ieee128_mfvsrd_64bit): Likewise.
10025         (*ieee128_mfvsrd_32bit): Likewise.
10027 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10029         PR target/69369
10030         Revert r232560:
10031         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10033         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10034         instrumented_version.
10036 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10038         * doc/invoke.texi (Optimize Options): In table of --param options
10039         rename second occurrence of tracer-min-branch-ratio to
10040         tracer-min-branch-probability, rename
10041         tracer-min-branch-ratio-feedback to
10042         tracer-min-branch-probability-feedback and clarify description,
10043         rename sched-spec-state-edge-prob-cutoff to
10044         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10045         to selsched-insns-to-rename, rename lto-minpartition to
10046         lto-min-partition, delete reorder-blocks-duplicate and
10047         reorder-blocks-duplicate-feedback.
10049 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10051         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10052         superfluous loops.
10054 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10056         * doc/extend.texi: S/390: Correct some typos.
10058 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10060         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10062 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10064         PR target/69625
10065         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10066         (s390_register_info_gprtofpr): Use new macros above.
10067         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10068         its name.
10069         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10070         its name.  Adjust restore and save gpr ranges.
10071         (s390_register_info_set_ranges): New function.
10072         (s390_register_info): Use new macros above.  Call
10073         s390_register_info_set_ranges.
10074         (s390_optimize_register_info): Likewise.
10075         (s390_hard_regno_rename_ok): Use new macros.
10076         (s390_hard_regno_scratch_ok): Likewise.
10077         (s390_emit_epilogue): Likewise.
10078         (s390_can_use_return_insn): Likewise.
10079         (s390_optimize_prologue): Likewise.
10080         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10082 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10084         PR bootstrap/69677
10085         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10086         alignment fixes.
10087         (ix86_option_override_internal): Disable TARGET_STV even for
10088         -m{incoming,preferred}-stack-boundary=3.
10090 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10092         * config.gcc: Mark deprecated rtems targets as obsolete.
10094 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10096         PR rtl-optimization/64682
10097         PR rtl-optimization/69567
10098         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10099         before I2 only if the register is both used and set in I2.
10101 2016-02-04  DJ Delorie  <dj@redhat.com>
10103         * config/msp430/msp430.c (msp430_start_function): Add function type.
10105 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10107         PR fortran/69368
10108         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10110 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10112         PR rtl-optimization/69577
10113         Revert:
10114         2015-10-29  Richard Henderson  <rth@redhat.com>
10116         PR target/68124
10117         PR rtl-opt/67609
10118         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10119         sse check to the exact conditions of PR 67609.
10121 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10123         PR target/69667
10124         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10125         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10126         not allowed into the traditional Altivec registers.
10127         (movtd_64bit_nodm): Likewise.
10128         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10130 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10132         * config/aarch64/cortex-a57-fma-steering.c
10133         (aarch64_register_fma_steering): Remove "static" from arguments
10134         to register_pass.
10136 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10138         PR target/69619
10139         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10140         twice when complex.
10142 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10144         * doc/invoke.texi: Delete -mno-fma4.
10146 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10148         PR rtl-optimization/69577
10149         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10150         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10151         definitions.
10153 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10155         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10156         * config/arm/arm.c (neon_reinterpret): Remove.
10157         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10158         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10159         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10160         vreinterpretti): Remove.
10161         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10162         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10163         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10164         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10165         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10166         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10167         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10168         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10169         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10170         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10171         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10172         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10173         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10174         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10175         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10176         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10177         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10178         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10179         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10180         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10181         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10182         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10183         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10184         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10185         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10186         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10187         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10188         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10189         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10190         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10191         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10192         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10193         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10194         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10195         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10196         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10197         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10198         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10199         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10200         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10201         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10202         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10203         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10204         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10205         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10206         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10207         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10208         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10209         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10210         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10211         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10212         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10213         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10214         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10215         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10216         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10217         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10218         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10219         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10220         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10221         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10222         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10223         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10224         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10225         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10226         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10227         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10228         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10229         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10230         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10231         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10232         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10233         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10234         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10235         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10236         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10237         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10238         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10239         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10240         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10241         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10242         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10243         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10244         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10245         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10246         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10247         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10248         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10249         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10250         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10251         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10252         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10253         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10254         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10255         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10256         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10257         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10258         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10259         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10260         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10261         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10262         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10263         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10265 2016-02-04  Martin Liska  <mliska@suse.cz>
10267         PR sanitizer/69276
10268         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10269         that are gimple_store_p.
10270         (maybe_instrument_call): Likewise.
10272 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10274         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10275         register scaling out of memory reference and comment why.
10277 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10279         PR target/65932
10280         PR target/67714
10281         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10282         folding the source of a SET.
10284 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10286         PR target/65932
10287         PR target/67714
10288         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10289         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10291 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10293         PR target/65932
10294         PR target/67714
10295         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10296         HImode.
10298 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10300         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10301         * config/arm/arm.c (arm_set_current_function): Likewise.
10303 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10304             Ilya Enkovich  <enkovich.gnu@gmail.com>
10305             H.J. Lu  <hongjiu.lu@intel.com>
10307         PR target/69454
10308         * config/i386/i386.c (convert_scalars_to_vector): Remove
10309         stack alignment fixes.
10310         (ix86_option_override_internal): Disable TARGET_STV if stack
10311         might not be aligned enough.
10312         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10314 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10316         * config/i386/x86-tune.def: Disable default prefetching
10317         for -march=znver1.
10319 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10320             Vladimir Makarov  <vmakarov@redhat.com>
10322         PR target/69461
10323         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10324         in validating fused toc addresses.
10326 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10328         PR c/69627
10329         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10330         range->m_caret fields if range->m_show_caret_p is false.
10332         PR target/69644
10333         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10334         Force oldval into register if it does not satisfy reg_or_short_operand
10335         predicate.  Fix up formatting.
10337 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10338             Alexandre Oliva  <aoliva@redhat.com>
10340         PR target/69461
10341         * lra-constraints.c (simplify_operand_subreg): Check additionally
10342         address validity after potential reloading.
10343         (process_address_1): Check insns validity.  In case of failure do
10344         nothing.
10346 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10348         PR target/69118
10349         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10350         Fix target.
10352 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10354         * wide-int.cc (canonize_uhwi): New function.
10355         (wi::divmod_internal): Use it.
10357 2016-02-02  James Norris  <jnorris@codesourcery.com
10359         * gimplify.c (omp_notice_variable): Add usage check.
10361 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10363         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10364         like LE, GE, LT, GT when emitting relational operator.
10366 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10368         * ira-costs.c (find_costs_and_classes): Add extra argument.
10369         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10370         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10371         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10372         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10373         Add best_class parameter, and return it if not ALL_REGS.
10374         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10375         Add parameter.
10376         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10377         Update target hook.
10379 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10381         * config/aarch64/aarch64.c
10382         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10383         (aarch64_ira_change_pseudo_allocno_class): New function.
10385 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10387         PR target/67032
10388         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10390 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10392         * config/avr/avr.c (avr_option_override): Set
10393         PARAM_ALLOW_STORE_DATA_RACES to 1.
10395 2016-02-02  Richard Biener  <rguenther@suse.de>
10397         PR tree-optimization/69595
10398         * match.pd: Add range test simplifications to true/false.
10400 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10402         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10403         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10404         instead.
10406 2016-02-02  Richard Biener  <rguenther@suse.de>
10408         PR tree-optimization/69606
10409         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10410         info on the result before moving a stmt.
10412 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10414         PR middle-end/68542
10415         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10416         branch with vector comparison.
10417         * config/i386/sse.md (VI48_AVX): New mode iterator.
10418         (define_expand "cbranch<mode>4): Add support for conditional branch
10419         with vector comparison.
10420         * tree-vect-loop.c (optimize_mask_stores): New function.
10421         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10422         has_mask_store field of vect_info.
10423         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10424         vectorized loops having masked stores after vec_info destroy.
10425         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10426         correspondent macros.
10427         (optimize_mask_stores): Add prototype.
10429 2016-02-02  Alan Modra  <amodra@gmail.com>
10431         PR target/69548
10432         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10433         allow subregs.
10435 2016-02-02  Alan Modra  <amodra@gmail.com>
10437         PR target/68662
10438         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10439         whenever toc_label_name used.
10440         (rs6000_file_start): Don't set up toc section here,
10441         (rs6000_output_function_epilogue): do so here instead,
10442         (rs6000_xcoff_file_start): and here.
10443         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10444         (load_toc_aix_di): Likewise.
10446 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10448         PR rtl-optimization/69592
10449         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10450         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10451         (num_sign_bit_copies_binary_arith_p): New inline function.
10452         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10454 2016-02-01  Jeff Law  <law@redhat.com>
10456         PR tree-optimization/69580
10457         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10458         * tree-ssa-threadbackward.c
10459         (fsm_find_control_statement_thread_paths): Do not try to walk
10460         through large PHI nodes.
10462 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10464         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10465         when count is incremented above limit, don't analyze further
10466         insns afterwards.
10468         * omp-low.c (oacc_parse_default_dims): Avoid
10469         -Wsign-compare warning, make sure value fits into int
10470         rather than just unsigned int.
10472 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10474         PR tree-optimization/67921
10475         * fold-const.c (split_tree): New parameters.  Convert pointer
10476         type variable part to proper type before negating.
10477         (fold_binary_loc): Pass new arguments to split_tree.
10479 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10481         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10482         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10483         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10484         * doc/tm.texti: Rebuilt.
10485         * doc/invoke.texi (fopenacc-dim): Document.
10486         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10487         (append_compiler_options): Likewise.
10488         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10489         (oacc_parse_default_dims): New.
10490         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10491         possible.
10492         (oacc_loop_fixed_partitions): Return mask of used partitions.
10493         (oacc_loop_auto_partitions): Emit dump info.
10494         (oacc_loop_partition): Return mask of used partitions.
10495         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10496         loop partitioning and validation calls.
10498 2016-02-01  Richard Biener  <rguenther@suse.de>
10500         PR middle-end/69556
10501         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10503 2016-02-01  Richard Biener  <rguenther@suse.de>
10505         PR tree-optimization/69574
10506         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10507         of asserting return chrec_dont_know.
10509 2016-02-01  Martin Liska  <mliska@suse.cz>
10511         * mem-stats-traits.h: Add copyright header.
10512         * mem-stats.h: Likewise.
10514 2016-02-01  Richard Biener  <rguenther@suse.de>
10516         PR tree-optimization/69579
10517         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10518         Do not propagate through abnormal PHI results.
10520 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10522         * postreload.c (reload_cse_simplify): Remove dead code.
10524 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10526         PR rtl-optimization/69570
10527         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10528         if there is more than one set, not if there is a single set.
10530 2016-02-01  Richard Henderson  <rth@redhat.com>
10532         PR rtl-opt/69535
10533         * combine.c (make_compound_operation): When looking through a
10534         subreg, make sure to re-extend to the width of the outer mode.
10536 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10538         PR tree-optimization/69546
10539         * wide-int.cc (wi::divmod_internal): For unsigned division
10540         where both operands fit into uhwi, if o1 is 1 and o0 has
10541         msb set, if divident_prec is larger than bits per hwi,
10542         clear another quotient word and return 2 instead of 1.
10543         Similarly for remainder with msb in HWI set, if dividend_prec
10544         is larger than bits per hwi.
10546 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10548         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10549         Use short lowercase names.
10550         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10551         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10552         acq_rel one.  Protect warning agains segfaults if
10553         get_memory_order_name returns NULL.
10554         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10555         with release semantics.  Do not warn if get_memory_order already did.
10556         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10557         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10558         if get_memory_order already did.
10560 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10562         * doc/install.texi: Document that isl-0.16 is supported.
10564 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10566         PR target/69299
10567         * config/i386/constraints.md (Bm): Describe as special memory
10568         constraint.
10569         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10570         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10571         * genpreds.c (struct constraint_data): Add is_special_memory.
10572         (have_special_memory_constraints, special_memory_start): New
10573         static vars.
10574         (special_memory_end): Ditto.
10575         (add_constraint): Add new arg is_special_memory.  Add code to
10576         process its true value.  Update have_special_memory_constraints.
10577         (process_define_constraint): Pass the new arg.
10578         (process_define_register_constraint): Ditto.
10579         (choose_enum_order): Process special memory.
10580         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10581         function insn_extra_special_memory_constraint.
10582         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10583         * gensupport.c (process_rtx): Process
10584         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10585         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10586         * ira-lives.c (single_reg_class): Use
10587         insn_extra_special_memory_constraint.
10588         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10589         * lra-constraints.c (process_alt_operands): Ditto.
10590         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10591         * recog.c (asm_operand_ok, preprocess_constraints): Process
10592         CT_SPECIAL_MEMORY.
10593         * reload.c (find_reloads): Ditto.
10594         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10595         * stmt.c (parse_input_constraint): Use
10596         insn_extra_special_memory_constraint.
10598 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10600         PR target/69530
10601         * lra-splill.c (lra_final_code_change): Revert r229087 by
10602         removing all sub-registers.
10604 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10606         PR target/65604
10607         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10609 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10611         PR target/69551
10612         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10613         SSE1, copy target into the temporary reg first before recursing
10614         on it.
10616 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10618         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10619         with vm.
10621 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10623         * ginclude/stdarg.h: Test __cplusplus instead of
10624         __GXX_EXPERIMENTAL_CXX0X__.
10626 2016-01-29  Richard Biener  <rguenther@suse.de>
10628         PR tree-optimization/69547
10629         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10630         Do not mark clobbers necessary.
10631         (mark_all_reaching_defs_necessary_1): Likewise.
10633 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10635         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10636         declaration name with %qs and print it in both error messages.
10637         Also fix indentation.
10639 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10641         PR other/69006
10642         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10643         trailing blank line from error message.
10645 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10647         PR c++/69462
10648         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10649         for C++-11.
10651 2016-01-29  Richard Biener  <rguenther@suse.de>
10653         PR middle-end/69537
10654         * match.pd: Allow all integral types when simplifying a
10655         widening or sign-changing conversion.
10657 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10659         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10660         back to setting codegen_error to fail codegen.
10662 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10664         PR target/69459
10665         * config/i386/constraints.md (C): Only accept constant zero operand.
10666         (BC): New constraint.
10667         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10668         instead of C constraint.
10669         * doc/md.texi (Machine Constraints): Update description
10670         of C constraint.
10672 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10674         PR target/68400
10675         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10677 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10679         PR middle-end/69542
10680         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10681         non-debug insns.
10683 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10685         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10686         branches if using guessed profile.
10688 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10690         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10692 2016-01-28  Richard Henderson  <rth@redhat.com>
10694         PR target/69305
10695         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10696         * config/aarch64/aarch64-protos.h: Update.
10697         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10698         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10699         (aarch64_get_condition_code_1): Handle CC_Cmode.
10700         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10701         (*add<mode>3_compareC_cconly_imm): New.
10702         (*add<mode>3_compareC_cconly): New.
10703         (*add<mode>3_compareC_imm): New.
10704         (add<mode>3_compareC): New.
10705         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10706         to be first.  Use aarch64_carry_operation.
10707         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10708         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10709         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10710         (subti3): Use subdi3_compare1.
10711         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10712         (sub<mode>3_compare1): New.
10713         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10714         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10715         (*subsi3_carryin_uxtw): Likewise.
10716         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10717         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10718         * config/aarch64/iterators.md (DWI): New.
10719         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10720         (aarch64_borrow_operation): New.
10722 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10724         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10725         message when isl does not return a valid schedule.
10727 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10729         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10730         Remove comments from class declarations: they are already in the code
10731         close by the defs.
10733 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10735         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10736         codegen_error_p.
10737         (ternary_op_to_tree): Same.
10738         (unary_op_to_tree): Same.
10739         (nary_op_to_tree): Same.
10740         (gcc_expression_from_isl_expr_op): Same.
10741         (gcc_expression_from_isl_expression): Same.
10742         (graphite_create_new_loop): Same.
10743         (graphite_create_new_loop_guard): Same.
10744         (build_iv_mapping): Same.
10745         (graphite_create_new_guard): Same.
10746         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10747         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10749 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10751         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
10752         instead of setting codegen_error to fail codegen.
10754 2016-01-28  Jason Merrill  <jason@redhat.com>
10756         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
10758 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10760         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10761         Remove CONST_INT_P check in CCMP cost calculation.
10763 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10765         * config/aarch64/aarch64.c (generic_vector_cost):
10766         Set vec_permute_cost.
10767         (cortexa57_vector_cost): Likewise.
10768         (exynosm1_vector_cost): Likewise.
10769         (xgene1_vector_cost): Likewise.
10770         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
10771         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
10772         Add vec_permute_cost entry.
10774 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10776         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
10777         immediate as %1.
10778         (add<mode>3_compare0): Likewise.
10779         (addsi3_compare0_uxtw): Likewise.
10780         (add<mode>3nr_compare0): Likewise.
10781         (compare_neg<mode>): Likewise.
10782         (<optab><mode>3): Likewise.
10784 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
10786         * tree-vect-stmts.c (vectorizable_comparison): Add
10787         NULL check for vectype.
10789 2016-01-28  Richard Biener  <rguenther@suse.de>
10791         PR tree-optimization/69466
10792         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
10793         Account for PHIs we couldn't duplicate.
10795 2016-01-28  Martin Liska  <mliska@suse.cz>
10797         PR pch/68758
10798         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
10799         instead of ENABLE_VALGRIND_CHECKING.
10801 2016-01-27  Richard Henderson  <rth@redhat.com>
10803         PR rtl-opt/69447
10804         * lra-remat.c (subreg_regs): New.
10805         (dump_candidates_and_remat_bb_data): Dump it.
10806         (operand_to_remat): Reject if operand in subreg_regs.
10807         (set_bb_regs): Collect subreg_regs.
10808         (lra_remat): Init and free subreg_regs.  Compute
10809         calculate_local_reg_remat_bb_data before create_cands.
10811 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10813         PR target/68986
10814         * config/i386/i386.c (ix86_update_stack_boundary): Don't
10815         change stack_alignment_needed for __tls_get_addr call.
10817 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
10819         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
10821 2016-01-27  Jeff Law  <law@redhat.com>
10823         PR tree-optimization/68398
10824         PR tree-optimization/69196
10825         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
10826         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
10827         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10828         Only count PHIs in the last block in the path.  The others will
10829         const/copy propagate away.  Add heuristic to allow more irreducible
10830         subloops to be created when it is likely profitable to do so.
10832         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10833         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
10834         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
10836 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
10838         PR lto/69254
10839         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
10840         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
10841         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
10842         * tree-streamer-in.c: Include asan.h.
10843         (streamer_get_builtin_tree): For builtins in sanitizer
10844         range call initialize_sanitizer_builtins and retry.
10846 2016-01-27  Ian Lance Taylor  <iant@google.com>
10848         * common.opt (fkeep-gc-roots-live): New undocumented option.
10849         * tree-ssa-loop-ivopts.c (add_candidate_1): If
10850         -fkeep-gc-roots-live, skip pointers.
10851         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
10852         NULL.
10854 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
10856         PR target/69512
10857         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
10858         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
10860 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
10862         PR target/68380
10863         * configure.ac: NetBSD provides SSP in its C library.
10864         * configure: Updated.
10866 2016-01-27  Richard Biener  <rguenther@suse.de>
10868         PR tree-optimization/69166
10869         * tree-vect-loop.c (vect_is_simple_reduction): Always check
10870         reduction code for commutativity / associativity.
10872 2016-01-27  Martin Jambor  <mjambor@suse.cz>
10874         PR tree-optimization/69355
10875         * tree-sra.c (analyze_access_subtree): Correct hole detection when
10876         total_scalarization fails.
10878 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
10880         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
10881         power9.
10883 2016-01-27  Christian Bruel  <christian.bruel@st.com>
10885         PR target/69245
10886         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
10887         Move arm_reset_previous_fndecl and set_target_option_current_node in
10888         the conditional part.  Call save_restore_target_globals.
10889         * config/arm/arm.c (arm_set_current_function):
10890         Refactor to better support #pragma target and attribute mix.
10891         Call save_restore_target_globals.
10892         * config/arm/arm-protos.h (save_restore_target_globals): New function.
10894 2016-01-27  Martin Liska  <mliska@suse.cz>
10896         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
10897         reference for an HSA kernel and its host function.
10899 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
10901         PR tree-optimization/69399
10902         * wide-int.h (wi::lrshift): For larger precisions, only
10903         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
10905 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
10907         * config/arc/predicates.md (proper_comparison_operator): Reject
10908         constant-constant comparison.
10910 2016-01-26  Tom de Vries  <tom@codesourcery.com>
10912         PR tree-optimization/69110
10913         * tree-data-ref.c (initialize_data_dependence_relation): Handle
10914         DR_NUM_DIMENSIONS == 0.
10916 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10917             Sebastian Pop  <s.pop@samsung.com>
10919         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
10920         isl_ast_op_cond and isl_ast_op_select.
10921         (gcc_expression_from_isl_expr_op): Same.
10923 2016-01-26  Jason Merrill  <jason@redhat.com>
10925         PR c++/68782
10926         * tree.c (recompute_constructor_flags): Split out from
10927         build_constructor.
10928         (verify_constructor_flags): New.
10929         * tree.h: Declare them.
10931 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
10933         PR rtl-optimization/69217
10934         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
10935         are no TYPE_FIELDS set for the record type.
10937 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10939         PR target/68662
10940         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
10941         toc_label_name unconditionally.
10942         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
10943         SYMBOL_REF string.  Use toc_label_name instead of constructing
10944         LCTOC1.
10945         (rs6000_elf_declare_function_name): Use toc_label_name instead of
10946         constructing LCTOC1.
10948 2016-01-26  Martin Sebor  <msebor@redhat.com>
10950         PR other/69477
10951         * doc/extend.texi (Common Type Attributes): Move text that talks about
10952         attribute packed from attribute aligned to the section discussing
10953         the former attribute for clarity.
10955 2016-01-26  Richard Henderson  <rth@redhat.com>
10957         PR middle-end/60908
10958         * trans-mem.c (tm_region_init): Mark entry block as visited.
10960 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
10962         PR other/69006
10963         * diagnostic-show-locus.c (layout::print_source_line): Replace
10964         call to pp_newline with call to layout::print_newline.
10965         (layout::print_annotation_line): Likewise.
10966         (layout::move_to_column): Likewise.
10967         (layout::print_any_fixits): After printing any fixits, print a
10968         trailing newline, if necessary.
10969         (layout::print_newline): New method, resetting any colorization
10970         before a newline.
10971         (diagnostic_show_locus): Move the pp_newline to before the
10972         early bailout.  Remove dummy block enclosing the layout instance.
10973         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
10974         of pp_newline_and_flush with pp_flush.
10975         (diagnostic_append_note): Delete use of pp_newline.
10976         (diagnostic_append_note_at_rich_loc): Delete.
10977         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
10978         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
10979         when newline characters are added to the buffer.
10981 2016-01-26  Michael Matz  <matz@suse.de>
10983         * configure.ac (ac_cv_std_swap_in_utility): New test.
10984         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
10985         * configure: Regenerate.
10986         * config.in: Regenerate.
10988 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
10990         * config/arc/arc.md (cstoresi4): Force operand into register.
10991         (arcset<code>): Fix predicate.
10992         (arcsetltu): Likewise.
10993         (arcsetgeu): Likewise.
10994         (arcsethi): Likewise.
10995         (arcsetls): Likewise.
10997 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10999         PR tree-optimization/69483
11000         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11001         if base has error_mark_node type.
11003 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11005         PR target/68620
11006         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11007         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11008         New helper macros.
11009         (vget_lane_f16): Handle big-endian.
11010         (vgetq_lane_f16): Likewise.
11011         (vset_lane_f16): Likewise.
11012         (vsetq_lane_f16): Likewise.
11013         * config/arm/iterators.md (VQXMOV): Add V8HF.
11014         (VDQ): Add V4HF and V8HF.
11015         (V_reg): Handle V4HF and V8HF.
11016         (Is_float_mode): Likewise.
11017         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11018         neon_vdup_nv8hf): New patterns.
11019         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11020         Use VD_LANE iterator.
11021         (neon_vld1_dup<mode>): Use VQ2 iterator.
11023 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11025         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11026         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11027         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11028         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11029         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11030         (oacc_validate_dims): Add LEVEL arg, don't return level.
11031         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11032         oacc_validate_dims.
11033         (execute_oacc_device_lower): Adjust, add more dump output.
11034         * tree-ssa-loop.c (gate_oacc_kernels): Use
11035         oacc_fn_attrib_kernels_p.
11036         * tree-parloops.c (create_parallel_loop): Adjust
11037         set_oacc_fn_attrib call.
11039 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11041         PR lto/69254
11042         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11043         (append_compiler_options): Handle -fcilkplus.
11044         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11046 2016-01-26  Nick Clifton  <nickc@redhat.com>
11048         PR target/66655
11049         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11050         been marked as DECL_ONE_ONLY but we do not the means to make it
11051         so, then do not allow it to bind locally.
11053 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11055         PR lto/69254
11056         * opts.h (parse_sanitizer_options): New prototype.
11057         * opts.c (sanitizer_opts): New array.
11058         (parse_sanitizer_options): New function.
11059         (common_handle_option): Use parse_sanitizer_options.
11061 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11063         PR target/68986
11064         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11065         alignment adjustment to ...
11066         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11067         __tls_get_addr.
11068         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11069         if __tls_get_addr is called.
11071 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11073         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11075 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11077         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11079 2016-01-26  Richard Biener  <rguenther@suse.de>
11081         PR middle-end/69467
11082         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11084 2016-01-26  Richard Biener  <rguenther@suse.de>
11086         PR tree-optimization/69452
11087         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11088         (move_computations_dom_walker::before_dom_children): Rename
11089         to ...
11090         (move_computations_worker): This.
11091         (move_computations): Perform an RPO rather than a DOM walk.
11093 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11095         PR target/69442
11096         * combine.c (combine_instructions): For REG_EQUAL note with
11097         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11098         to the underlying register.
11099         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11100         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11102 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11104         PR target/67896
11105         * config/aarch64/aarch64-builtins.c
11106         (aarch64_init_simd_builtin_types): Do not set structural
11107         equality to __Poly{8,16,64,128}_t types.
11109 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11111         PR tree-optimization/69400
11112         * wide-int.cc (wi_pack): Take the precision as argument and
11113         perform canonicalization here rather than in the callers.
11114         Use the main loop to handle all full-width HWIs.  Add a
11115         zero HWI if in_len isn't a full result.
11116         (wi::divmod_internal): Update accordingly.
11117         (wi::mul_internal): Likewise.  Simplify.
11119 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11120             Sebastian Pop  <s.pop@samsung.com>
11122         * graphite-poly.c (apply_poly_transforms): Simplify.
11123         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11124         (print_isl_map): Same.
11125         (print_isl_union_map): Same.
11126         (print_isl_schedule): New.
11127         (debug_isl_schedule): New.
11128         * graphite-dependences.c (scop_get_reads): Do not call
11129         isl_union_map_add_map that is undocumented isl functionality.
11130         (scop_get_must_writes): Same.
11131         (scop_get_may_writes): Same.
11132         (scop_get_original_schedule): Remove.
11133         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11134         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11135         (compute_deps): Remove.
11136         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11137         (debug_schedule_ast): New.
11138         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11139         set_separate_option.
11140         (graphite_regenerate_ast_isl): Add dump.
11141         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11142         from scop->transformed_schedule.
11143         (graphite_regenerate_ast_isl): Add more dump.
11144         * graphite-optimize-isl.c (optimize_isl): Set
11145         scop->transformed_schedule.  Check whether schedules are equal.
11146         (apply_poly_transforms): Move here.
11147         * graphite-poly.c (apply_poly_transforms): ... from here.
11148         (free_poly_bb): Static.
11149         (free_scop): Static.
11150         (pbb_number_of_iterations_at_time): Remove.
11151         (print_isl_ast): New.
11152         (debug_isl_ast): New.
11153         (debug_scop_pbb): New.
11154         * graphite-scop-detection.c (print_edge): Move.
11155         (print_sese): Move.
11156         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11157         (build_scop_scattering): Remove.
11158         (create_pw_aff_from_tree): Assert instead of bailing out.
11159         (add_condition_to_pbb): Remove unused code, do not fail.
11160         (add_conditions_to_domain): Same.
11161         (add_conditions_to_constraints): Remove.
11162         (build_scop_context): New.
11163         (add_iter_domain_dimension): New.
11164         (build_iteration_domains): Initialize pbb->iterators.
11165         Call add_conditions_to_domain.
11166         (nested_in): New.
11167         (loop_at): New.
11168         (index_outermost_in_loop): New.
11169         (index_pbb_in_loop): New.
11170         (outermost_pbb_in): New.
11171         (add_in_sequence): New.
11172         (add_outer_projection): New.
11173         (outer_projection_mupa): New.
11174         (add_loop_schedule): New.
11175         (build_schedule_pbb): New.
11176         (build_schedule_loop): New.
11177         (embed_in_surrounding_loops): New.
11178         (build_schedule_loop_nest): New.
11179         (build_original_schedule): New.
11180         (build_poly_scop): Call build_original_schedule.
11181         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11182         (free_poly_dr): Remove.
11183         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11184         (free_poly_bb): Remove.
11185         (debug_loop_vec): Remove.
11186         (print_isl_ast): Declare.
11187         (debug_isl_ast): Declare.
11188         (scop_do_interchange): Remove.
11189         (scop_do_strip_mine): Remove.
11190         (scop_do_block): Remove.
11191         (flatten_all_loops): Remove.
11192         (optimize_isl): Remove.
11193         (pbb_number_of_iterations_at_time): Remove.
11194         (debug_scop_pbb): Declare.
11195         (print_schedule_ast): Declare.
11196         (debug_schedule_ast): Declare.
11197         (struct scop): Remove schedule.  Add original_schedule,
11198         transformed_schedule.
11199         (free_gimple_poly_bb): Remove.
11200         (print_generated_program): Remove.
11201         (debug_generated_program): Remove.
11202         (unify_scattering_dimensions): Remove.
11203         * sese.c (print_edge): ... here.
11204         (print_sese): ... here.
11205         (debug_edge): ... here.
11206         (debug_sese): ... here.
11207         * sese.h (print_edge): Declare.
11208         (print_sese): Declare.
11209         (dump_edge): Declare.
11210         (dump_sese): Declare.
11212 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11213             Sebastian Pop  <s.pop@samsung.com>
11215         * Makefile.in: Set ISLVER in site.exp.
11217 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11219         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11220         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11221         through DECL_VALUE_EXPR for expansion.
11223 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11225         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11226         the frame info after reload completed.
11228 2016-01-25  Jeff Law  <law@redhat.com>
11230         PR tree-optimization/69196
11231         PR tree-optimization/68398
11232         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11233         tree-ssa-threadupdate.c.
11234         (determine_bb_domination_status): Prototype
11235         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11236         (determine_bb_domination_status): No longer static.
11237         (valid_jump_thread_path): Remove code to detect characteristics
11238         of the jump thread path not associated with correctness.
11239         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11240         Correct test for thread path length.  Count PHIs for real operands as
11241         statements that need to be copied.  Do not count ASSERT_EXPRs.
11242         Look at all the blocks in the thread path.  Compute and selectively
11243         filter thread paths based on threading through the latch, threading
11244         a multiway branch or crossing a multiway branch.
11246 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11248         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11249         decl with __attribute__ ((unused)) annotation.
11251 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11253         PR target/69421
11254         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11255         of operands is compatible with a statement vectype.
11257 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11259         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11260         improve wording for mixed storage order support.
11262 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11264         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11265         (vcvt_u64_f64): Likewise.
11266         (vcvta_s64_f64): Likewise.
11267         (vcvta_u64_f64): Likewise.
11268         (vcvtm_s64_f64): Likewise.
11269         (vcvtm_u64_f64): Likewise.
11270         (vcvtn_s64_f64): Likewise.
11271         (vcvtn_u64_f64): Likewise.
11272         (vcvtp_s64_f64): Likewise.
11273         (vcvtp_u64_f64): Likewise.
11275 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11277         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11278         (arc_init): Check validity mll64 option.
11279         (arc_save_restore): Use double load/store instruction.
11280         (arc_expand_movmem): Likewise.
11281         (arc_split_move): Don't split if we have double load/store
11282         instructions. Returns a boolean.
11283         (arc_process_double_reg_moves): Change function to return boolean
11284         instead of a sequence of instructions.
11285         (arc_dwarf_register_span): New function.
11286         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11287         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11288         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11289         (*movdf_insn): Likewise.
11290         * config/arc/arc.opt (mll64): New option.
11291         * config/arc/predicates.md (even_register_operand): New predicate.
11292         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11294 2016-01-25  Richard Biener  <rguenther@suse.de>
11296         PR lto/69393
11297         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11298         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11299         DECL_NAMELESS.
11300         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11302 2016-01-25  Richard Biener  <rguenther@suse.de>
11304         PR tree-optimization/69376
11305         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11306         flag.
11307         (VN_INFO_ANTI_RANGE_P): New inline.
11308         (VN_INFO_RANGE_TYPE): Likewise.
11309         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11310         SSA_NAME_ANTI_RANGE_P.
11311         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11312         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11313         Properly query VN_INFO_RANGE_TYPE.
11315 2016-01-25  Nick Clifton  <nickc@redhat.com>
11317         PR target/66655
11318         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11320 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11322         PR tree-optimization/69426
11323         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11324         removed clobber.
11326 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11328         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11329         "the the" with "the" in the comments.
11330         * ipa-devirt.c (build_type_inheritance_graph,
11331         update_type_inheritance_graph): Likewise.
11332         * tree.c (build_function_type_list_1): Likewise.
11333         * cfgloopmanip.c (scale_loop_profile): Likewise.
11334         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11335         * gimple-ssa-split-paths.c
11336         (find_block_to_duplicate_for_splitting_paths): Likewise.
11337         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11338         * expr.c (convert_move): Likewise.
11339         * var-tracking.c (vt_stack_adjustments): Likewise.
11340         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11341         * tree-vrp.c (test_for_singularity): Likewise.
11343         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11344         directly instead of building a temporary tree.
11346         PR bootstrap/69434
11347         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11348         remove <algorithm> include.
11350 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11352         PR target/69432
11353         * config/i386/i386.c: Include dojump.h.
11354         (expand_small_movmem_or_setmem,
11355         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11356         fixes.
11357         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11358         if dynamic_check != -1.
11360 2016-01-21  Jeff Law  <law@redhat.com>
11362         PR middle-end/69347
11363         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11364         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11365         into dominated_by_p.
11366         (cprop_into_successor_phis): Avoid unnecessary tests.
11368 2016-01-22  Richard Henderson  <rth@redhat.com>
11370         PR target/69416
11371         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11372         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11374 2016-01-22  Michael Matz  <matz@suse.de>
11376         * system.h (string, algorithm): Include only conditionally.
11377         (new): Include always under C++.
11378         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11379         * final.c (toplevel): Ditto.
11380         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11381         * genconditions.c (write_header): Make gencondmd.c define
11382         INCLUDE_STRING.
11383         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11385         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11386         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11388 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11390         PR target/68674
11391         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11393 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11395         PR target/69403
11396         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11397         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11398         get assigned the same register.
11400 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11402         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11404 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11406         * config/arm/arm-c.c (arm_pragma_target_parse):
11407         Remove warn_builtin_macro_redefined overwrite.
11409 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11411         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11412         flag_non_call_exceptions compatibility.
11414 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11416         PR debug/66668
11417         * dwarf2out.c (add_child_die_after): New function.
11418         (dwarf_qual_info_t): New type.
11419         (dwarf_qual_info): New variable.
11420         (qualified_die_p): New function.
11421         (modified_type_die): For -fdebug-types-section, ensure
11422         canonical order of qualifiers.  Put qualified DIEs adjacent
11423         to the corresponding non-qualified type DIE and search there
11424         for existing qualified DIEs.
11426 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11428         * doc/extend.texi (scalar_storage_order type attribute): Document
11429         restriction on type punning and aliasing, and remove future tense.
11431 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11433         PR target/69252
11434         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11435         first stage.
11437 2016-01-21  Jeff Law  <law@redhat.com>
11439         PR middle-end/69347
11440         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11441         useless call to record_temporary_equivalences.
11442         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11443         allocate 10 slots in the bb_path vector and let it grow as needed.
11444         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11445         vector.
11447 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11449         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11450         Detangle.
11451         * configure: Regenerate.
11453 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11455         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11456         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11458 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11460         PR middle-end/66178
11461         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11462         drop EXPAND_INITIALIZER.
11463         * rtl.h (contains_symbolic_reference_p): Declare.
11464         * rtlanal.c (contains_symbolic_reference_p): New function.
11465         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11466         a subtraction into a NOT if symbolic constants are involved.
11468 2016-01-21  Anton Blanchard  <anton@samba.org>
11469             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11471         PR target/63354
11472         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11473         #define.
11474         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11475         function.
11477 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11479         * config/microblaze/microblaze.c
11480         (get_branch_target): New.
11481         (insert_wic_for_ilb_runout): New.
11482         (insert_wic): New.
11483         (microblaze_machine_dependent_reorg): New.
11484         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11485         * config/microblaze/microblaze.md
11486         (UNSPEC_IPREFETCH): Define.
11487         (iprefetch): New pattern
11488         * config/microblaze/microblaze.opt
11489         (mxl-prefetch): New flag.
11491 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11493         * config/microblaze/microblaze.h
11494         (FIXED_REGISTERS): Update in macro.
11495         (CALL_USED_REGISTERS): Update in macro.
11497 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11499         PR rtl-optimization/68920
11500         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11501         moves.
11503 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11505         PR rtl-optimization/68990
11506         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11507         pseudo instead of inheritance ones.
11509 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11510             Nick Clifton  <nickc@redhat.com>
11512         PR target/69129
11513         PR target/69012
11514         * config/mips/mips.c (mips_compute_frame_info): Initialise
11515         args_size and hard_frame_pointer_offset fields of the frame
11516         structure before calling mips_global_pointer.
11518 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11520         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11521         label reference.
11522         * configure: Regenerate.
11524 2016-01-21  Richard Biener  <rguenther@suse.de>
11526         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11528 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11530         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11531         to actually emit the .size directive.
11533 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11534              Jakub Jelinek  <jakub@redhat.com>
11536         PR target/69187
11537         PR target/65624
11538         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11539         args array size by one to avoid buffer overflow.
11541 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11543         * config/s390/s390.md (pool_section_start): Use switch_to_section
11544         to select proper read-only data section instead of hardcoding
11545         .rodata.
11546         (pool_section_end): Use switch_to_section to match the above.
11548 2016-01-21  Richard Biener  <rguenther@suse.de>
11550         PR tree-optimization/69378
11551         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11552         (set_ssa_val_to): Use it for dominance checks taking into
11553         account not executable edges.
11555 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11557         PR c++/69355
11558         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11559         for bitsize instead of GET_MODE_PRECISION (mode).
11561 2016-01-20  Martin Sebor  <msebor@redhat.com>
11563         PR c/52291
11564         * extend.texi (__sync Builtins): Clarify the semantics of
11565         __sync_fetch_and_OP built-ins on pointers.
11566         (__atomic Builtins): Same.
11568 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11569             Sebastian Pop  <s.pop@samsung.com>
11571         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11572         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11573         (is_valid_rename): Same.
11574         (translate_isl_ast_to_gimple::get_rename): Same.
11575         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11576         (translate_isl_ast_to_gimple::rename_uses): Same.
11577         (get_new_name): Check for close_phi nodes.
11578         (copy_loop_phi_args): Use phi_node_kind.
11579         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11580         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11582 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11583             Sebastian Pop  <s.pop@samsung.com>
11585         Revert commit r229783.
11586         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11587         Remove use of parameter_rename_map.
11588         (copy_def): Remove.
11589         (copy_internal_parameters): Remove.
11590         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11591         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11592         (free_sese_info): Do not free parameter_rename_map.
11593         (set_rename): Do not use parameter_rename_map.
11594         (rename_uses): Update call to set_rename.
11595         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11596         * sese.h (parameter_rename_map_t): Remove.
11597         (struct sese_info_t): Remove field parameter_rename_map.
11599 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11600             Sebastian Pop  <s.pop@samsung.com>
11602         * graphite-isl-ast-to-gimple.c: Fix comment.
11603         * graphite-scop-detection.c (defined_in_loop_p): New.
11604         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11605         names defined in loop.
11607 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11608             Sebastian Pop  <s.pop@samsung.com>
11610         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11611         Discard unstructured if-then-else regions.
11613 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11614             Sebastian Pop  <s.pop@samsung.com>
11616         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11617         (cleanup_loop_iter_dom): Remove.
11618         (build_loop_iteration_domains): Remove.
11619         (build_scop_context): Remove.
11620         (build_scop_iteration_domain): Remove.
11621         (add_loop_constraints): New.
11622         (build_iteration_domains): New.
11623         (build_poly_scop): Call build_iteration_domains.
11625 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11626             Sebastian Pop  <s.pop@samsung.com>
11628         * graphite-scop-detection.c
11629         (scop_detection::harmful_loop_in_region): Free dom and loops.
11630         (scop_detection::loop_body_is_valid_scop): Free bbs.
11632 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11633             Sebastian Pop  <s.pop@samsung.com>
11635         * graphite-scop-detection.c (record_loop_in_sese): New.
11636         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11637         (build_scops): Remove call to build_sese_loop_nests.
11638         * sese.c (sese_record_loop): Remove.
11639         (build_sese_loop_nests): Remove.
11640         (new_sese_info): Remove region->loops.
11641         (free_sese_info): Same.
11642         * sese.h (sese_contains_loop): Same.
11643         (build_sese_loop_nests): Remove.
11644         (sese_contains_loop): Remove.
11646 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11647             Sebastian Pop  <s.pop@samsung.com>
11649         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11650         loop_is_valid_in_scop.
11651         (scop_detection::harmful_stmt_in_region): Renamed
11652         harmful_loop_in_region.
11653         Call loop_is_valid_in_scop.
11655 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11656             Sebastian Pop  <s.pop@samsung.com>
11658         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11659         isl_ast_node_mark.
11661 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11662             Sebastian Pop  <s.pop@samsung.com>
11664         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11665         * graphite.h (struct poly_bb): Remove field is_reduction.
11666         (PBB_IS_REDUCTION): Remove.
11668 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11669             Sebastian Pop  <s.pop@samsung.com>
11671         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11672         (add_pdr_constraints): Same.
11673         (scop_get_reads): Same.
11674         (scop_get_must_writes): Same.
11675         (scop_get_may_writes): Same.
11676         (scop_get_original_schedule): Same.
11677         (extend_schedule): Same.
11678         (apply_schedule_on_deps): Same.
11679         (carries_deps): Same.
11680         (compute_deps): Same.
11681         (scop_get_dependences): Same.
11682         * graphite-isl-ast-to-gimple.c
11683         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11684         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11685         (get_schedule_for_band_list): Same.
11686         (get_schedule_map): Same.
11687         (apply_schedule_map_to_scop): Same.
11688         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11689         (build_loop_iteration_domains): Same.
11690         (add_condition_to_pbb): Same.
11691         (add_param_constraints): Same.
11692         (pdr_add_memory_accesses): Same.
11693         (pdr_add_data_dimensions): Same.
11695 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11697         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11698         requirements.
11700 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11702         * common.opt (feliminate-dwarf2-dups): Replace references to
11703         "DWARF 2" with just "DWARF".
11704         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11705         * doc/extend.texi: Likewise.
11706         * doc/cpp.texi: Likewise.
11707         * doc/invoke.texi: Likewise.
11708         (Option Summary): Add -gdwarf to list of Debugging Options.
11709         (Debugging Options): Document -gdwarf.
11710         * doc/contrib.texi: Spell "DWARF" like that.
11712 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11714         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11715         warning.  Fix up formatting.
11717         PR middle-end/67653
11718         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11719         attempt to mark memory input operand addressable and
11720         call prepare_gimple_addressable in that case.  Don't adjust
11721         input_location for diagnostics, use error_at instead.
11723 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11725         * config/rs6000/ppc-auxv.h: New file.
11726         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11727         (cpu_is): Likewise.
11728         (cpu_supports): Likewise.
11729         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11730         (cpu_is_info): New variable.
11731         (cpu_supports_info): Likewise.
11732         (tcb_verification_symbol): Likewise.
11733         (cpu_builtin_p): Likewise.
11734         (cpu_expand_builtin): New function.
11735         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11736         (rs6000_init_builtins): Likewise.
11737         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11738         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11739         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11740         * configure: Regenerate.
11741         * config.in: Likewise.
11742         * doc/extend.texi (PowerPC Built-in Functions): Document
11743         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11745 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11747         PR target/68609
11748         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
11749         domain check.
11750         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
11751         for V4SFmode.
11753 2016-01-20  Richard Henderson  <rth@redhat.com>
11755         PR bootstrap/69343
11756         PR bootstrap/69339
11757         PR tree-opt/68964
11758         Revert:
11759         * tree.c (tm_define_builtin): New.
11760         (find_tm_vector_type): New.
11761         (build_tm_vector_builtins): New.
11762         (build_common_builtin_nodes): Call it.
11764 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
11766         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
11767         (arm_fp_ok): Likewise.
11768         (arm_fp): Likewise.
11769         (arm_crypto): Likewise.
11771 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
11772             Richard Biener  <rguenther@suse.de>
11774         PR tree-optimization/69328
11775         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
11776         vectors have same number of elements.
11777         (vectorizable_condition): Fix masked version recognition.
11779 2016-01-20  Richard Biener  <rguenther@suse.de>
11781         PR tree-optimization/69345
11782         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
11783         (VN_INFO_PTR_INFO): Likewise.
11784         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
11785         info when it is equal between non-dominating SSA names.
11786         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11787         Make sure to look at original SSA infos.
11789 2016-01-20  Jeff Law  <law@redhat.com>
11791         PR target/25114
11792         * config/m68k/predicates.md (pow2_m1_operand): New predicate
11793         extracted from ...
11794         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
11795         (pc_or_label_operand): New predicate.
11796         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
11797         tests for small integers that are 2^n - 1.
11799 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
11801         * doc/invoke.texi (Options Summary): Add '.' after @xref.
11803 2016-01-19  Jeff Law  <law@redhat.com>
11805         PR middle-end/69347
11806         * tree-ssa-threadbackwards.c
11807         (fsm_find_control_statement_thread_paths): Do not try to lookup
11808         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
11810 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
11812         * doc/lto.texi: Remove text that says only Gold has linker plugin
11813         support.
11815 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
11817         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
11818         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
11819         the DIE accordingly.
11820         (modified_type_die): Add REVERSE parameter and pass it recursively,
11821         as well as to base_type_die.  Adjust presence check accordingly.
11822         (base_type_for_mode): Adjust call to modified_type_die.
11823         (add_type_attribute): Add REVERSE parameter and pass it to
11824         modified_type_die.
11825         (generic_parameter_die): Adjust call to add_type_attribute.
11826         (add_scalar_info): Likewise.
11827         (add_subscript_info): Likewise.
11828         (gen_array_type_die): Likewise.
11829         (gen_descr_array_type_die): Likewise.
11830         (gen_entry_point_die): Likewise.
11831         (gen_enumeration_type_die): Likewise.
11832         (gen_formal_parameter_die): Likewise.
11833         (gen_subprogram_die): Likewise.
11834         (gen_variable_die ): Likewise.
11835         (gen_const_die): Likewise.
11836         (gen_field_die): Likewise.
11837         (gen_pointer_type_die): Likewise.
11838         (gen_reference_type_die): Likewise.
11839         (gen_ptr_to_mbr_type_die): Likewise.
11840         (gen_inheritance_die): Likewise.
11841         (gen_subroutine_type_die): Likewise.
11842         (gen_typedef_die): Likewise.
11843         (force_type_die): Adjust call to modified_type_die.
11845 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
11847         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
11848         flow throughout the file.  Fix broken link to Objective-C 2.0
11849         documentation.
11850         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
11851         errors.
11853 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11855         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
11857 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11859         PR ipa/66223
11860         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
11861         (maybe_record_node): Record cxa_pure_virtual as the only possible
11862         target if there are not ohter candidates.
11863         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
11865 2016-01-19  Richard Biener  <rguenther@suse.de>
11867         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
11868         (get_memory_order): Likewise.
11870 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
11872         * tree-vect-stmts.c (vectorizable_store): Check
11873         rhs vectype.
11875 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
11877         PR jit/68446
11878         * gcc.c (driver::decode_argv): Add call to
11879         init_opts_obstack before init_options_struct.
11880         * opts.c (init_opts_obstack): Remove idempotency.
11881         (init_options_struct): Replace call to init_opts_obstack
11882         with a gcc_assert to verify that it has already been called.
11883         * toplev.c (toplev::main): Add call to init_opts_obstack before
11884         calls to init_options_struct.
11885         (toplev::finalize): Move cleanup of opts_obstack next to
11886         cleanup of save_decoded_options, clearing the latter, and
11887         save_decoded_options_count.
11889 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11891         PR target/69135
11892         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
11893         attribute to unconditional.  Remove %? from output template.
11895 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11896             Jiong Wang  <jiong.wang@arm.com>
11898         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
11899         generated from different expand order.
11901 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11903         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
11904         Add support for CCMP costing.
11906 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11908         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
11909         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
11910         (fccmpe<mode>): Likewise.
11911         (fcmp): Rename to fcmp and globalize pattern.
11912         (fcmpe): Likewise.
11913         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
11914         (aarch64_gen_ccmp_next): Add FP support.
11916 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11918         * target.def (gen_ccmp_first): Update documentation.
11919         (gen_ccmp_next): Likewise.
11920         * doc/tm.texi (gen_ccmp_first): Update documentation.
11921         (gen_ccmp_next): Likewise.
11922         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
11923         expand_ccmp_expr_1.  Improve comments.
11924         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
11925         (ccmp_ior<mode>): Remove pattern.
11926         (cmp<mode>): Remove expand.
11927         (cmp): Globalize pattern.
11928         (cstorecc4): Use cc_register.
11929         (mov<mode>cc): Remove ccmp_cc_register check.
11930         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
11931         Simplify after removal of CC_DNE/* modes.
11932         (aarch64_ccmp_mode_to_code): Remove.
11933         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
11934         In 'k' case use integer as condition.
11935         (aarch64_nzcv_codes): Remove inverted cases.
11936         (aarch64_code_to_ccmode): Remove.
11937         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
11938         comparison with CC register to be used in folowing CCMP/branch/CSEL.
11939         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
11940         pattern.  Return the comparison with CC register.  Invert conditions
11941         when bitcode is OR.
11942         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
11943         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
11945 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11947         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
11948         instrumented_version.
11950 2016-01-19  Richard Biener  <rguenther@suse.de>
11952         PR tree-optimization/69336
11953         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
11954         handled components with get_ref_base_and_extent.
11955         (equal_mem_array_ref_p): Adjust.
11957 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
11959         PR debug/65779
11960         * shrink-wrap.c: Include valtrack.h.
11961         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
11962         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
11963         in between insn and where it will be moved to.  Call
11964         dead_debug_insert_temp.
11965         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
11966         first and dead_debug_local_finish at the end.
11967         For uses and defs bitmap, handle all regs in between REGNO and
11968         END_REGNO, not just the first one.
11970 2016-01-19  Richard Biener  <rguenther@suse.de>
11972         PR tree-optimization/69352
11973         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
11974         (equal_mem_array_ref_p): Constrain size and max size properly.
11975         Compare the reverse flag.
11977 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
11979         * ira.c (ira): Update regstat data if we deleted insns.
11981 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
11983         PR rtl-optimization/68955
11984         PR rtl-optimization/64557
11985         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
11986         here.  Fix up formatting.
11987         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
11989 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11991         PR lto/69133
11992         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
11993         assume that the node has body.
11994         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
11995         check.
11997 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11999         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12000         thunks.
12002 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12004         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12005         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12007 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12008             Martin Liska  <mliska@suse.cz>
12009             Michael Matz  <matz@suse.de>
12011         * Makefile.in (OBJS): Add new source files.
12012         (GTFILES): Add hsa.c.
12013         * common.opt (disable_hsa): New variable.
12014         (-Whsa): New warning.
12015         * config.in (ENABLE_HSA): New.
12016         * configure.ac: Treat hsa differently from other accelerators.
12017         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12018         $enable_offloading.
12019         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12020         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12021         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12022         --with-hsa-kmt-lib.
12023         * doc/invoke.texi (-Whsa): Document.
12024         (hsa-gen-debug-stores): Likewise.
12025         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12026         to invoke offload compiler for hsa acclerator.
12027         * opts.c (common_handle_option): Determine whether HSA offloading
12028         should be performed.
12029         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12030         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12031         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12032         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12033         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12034         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12035         GF_OMP_FOR_KIND_GRID_LOOP.
12036         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12037         (pp_gimple_stmt_1): Likewise.
12038         * gimple-walk.c (walk_gimple_stmt): Likewise.
12039         * gimple.c (gimple_build_omp_grid_body): New function.
12040         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12041         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12042         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12043         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12044         GF_OMP_TEAMS_GRID_PHONY.
12045         (gimple_statement_omp_single_layout): Updated comments.
12046         (gimple_build_omp_grid_body): New function.
12047         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12048         (gimple_omp_for_grid_phony): New function.
12049         (gimple_omp_for_set_grid_phony): Likewise.
12050         (gimple_omp_parallel_grid_phony): Likewise.
12051         (gimple_omp_parallel_set_grid_phony): Likewise.
12052         (gimple_omp_teams_grid_phony): Likewise.
12053         (gimple_omp_teams_set_grid_phony): Likewise.
12054         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12055         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12056         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12057         (BUILT_IN_GOMP_TARGET): Updated type.
12058         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12059         (adjust_for_condition): New function.
12060         (get_omp_for_step_from_incr): Likewise.
12061         (extract_omp_for_data): Moved parts to adjust_for_condition and
12062         get_omp_for_step_from_incr.
12063         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12064         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12065         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12066         (scan_omp_parallel): Do not create child functions for phony
12067         constructs.
12068         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12069         (scan_omp_1_op): Checking assert we are not remapping to
12070         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12071         (parallel_needs_hsa_kernel_p): New function.
12072         (expand_parallel_call): Register apprpriate parallel child
12073         functions as HSA kernels.
12074         (grid_launch_attributes_trees): New type.
12075         (grid_attr_trees): New variable.
12076         (grid_create_kernel_launch_attr_types): New function.
12077         (grid_insert_store_range_dim): Likewise.
12078         (grid_get_kernel_launch_attributes): Likewise.
12079         (get_target_argument_identifier_1): Likewise.
12080         (get_target_argument_identifier): Likewise.
12081         (get_target_argument_value): Likewise.
12082         (push_target_argument_according_to_value): Likewise.
12083         (get_target_arguments): Likewise.
12084         (expand_omp_target): Call get_target_arguments instead of looking
12085         up for teams and thread limit.
12086         (grid_expand_omp_for_loop): New function.
12087         (grid_arg_decl_map): New type.
12088         (grid_remap_kernel_arg_accesses): New function.
12089         (grid_expand_target_kernel_body): New function.
12090         (expand_omp): Call it.
12091         (lower_omp_for): Do not emit phony constructs.
12092         (lower_omp_taskreg): Do not emit phony constructs but create for them
12093         a temporary variable receiver_decl.
12094         (lower_omp_taskreg): Do not emit phony constructs.
12095         (lower_omp_teams): Likewise.
12096         (lower_omp_grid_body): New function.
12097         (lower_omp_1): Call it.
12098         (grid_reg_assignment_to_local_var_p): New function.
12099         (grid_seq_only_contains_local_assignments): Likewise.
12100         (grid_find_single_omp_among_assignments_1): Likewise.
12101         (grid_find_single_omp_among_assignments): Likewise.
12102         (grid_find_ungridifiable_statement): Likewise.
12103         (grid_target_follows_gridifiable_pattern): Likewise.
12104         (grid_remap_prebody_decls): Likewise.
12105         (grid_copy_leading_local_assignments): Likewise.
12106         (grid_process_kernel_body_copy): Likewise.
12107         (grid_attempt_target_gridification): Likewise.
12108         (grid_gridify_all_targets_stmt): Likewise.
12109         (grid_gridify_all_targets): Likewise.
12110         (execute_lower_omp): Call grid_gridify_all_targets.
12111         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12112         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12113         (tree_omp_clause): Added union field dimension.
12114         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12115         * tree.c (omp_clause_num_ops): Added number of arguments of
12116         OMP_CLAUSE__GRIDDIM_.
12117         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12118         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12119         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12120         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12121         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12122         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12123         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12124         * tree-pass.h (make_pass_gen_hsail): Declare.
12125         (make_pass_ipa_hsa): Likewise.
12126         * ipa-hsa.c: New file.
12127         * lto-section-in.c (lto_section_name): Add hsa section name.
12128         * lto-streamer.h (lto_section_type): Add hsa section.
12129         * timevar.def (TV_IPA_HSA): New.
12130         * hsa-brig-format.h: New file.
12131         * hsa-brig.c: New file.
12132         * hsa-dump.c: Likewise.
12133         * hsa-gen.c: Likewise.
12134         * hsa.c: Likewise.
12135         * hsa.h: Likewise.
12136         * toplev.c (compile_file): Call hsa_output_brig.
12137         * hsa-regalloc.c: New file.
12139 2016-01-18  Jeff Law  <law@redhat.com>
12141         PR tree-optimization/69320
12142         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12143         ranged object, do nothing if the RHS constant is not [0..1].
12144         (optimize_stmt): Comparing a boolean ranged object against a
12145         constant outside [0..1] results in a compile-time constant.
12147         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12148         test.
12150 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12152         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12153         (Option Summary): Update to reflect new section and moved options.
12154         (C++ Dialect Options): Move -fstats to new section.
12155         (Debugging Options): Move all dump, statistics, and other GCC
12156         developer options to new section.  Rewrite section introduction
12157         and re-order remaining options to put the more basic ones first.
12158         (Optimization Options): Move -fira-verbose and -flto-report* to
12159         new section.
12160         (Developer Options): New section incorporating moved options.
12161         * doc/cppopts.texi (-dM): Update cross-reference.
12163 2016-01-18  Richard Henderson  <rth@redhat.com>
12165         PR target/69176
12166         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12167         operands to pseudo only if CSE is expected.  Split long immediate
12168         operands only after reload, and for the stack pointer.
12169         (*add<GPI>3_pluslong): Remove.
12170         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12171         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12172         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12173         (*add<GPI>3 peepholes): New.
12174         (*add<GPI>3 splitters): New.
12175         * config/aarch64/constraints.md (Upl): New.
12176         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12178 2016-01-18  Richard Biener  <rguenther@suse.de>
12180         PR tree-optimization/69297
12181         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12182         stmt at most once.
12183         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12185 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12187         PR middle-end/68542
12188         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12189         of mixind vector and scalar types.
12190         (fold_relational_const): Add handling of vector
12191         comparison with boolean result.
12192         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12193         comparison of vector operands with boolean result for EQ/NE only.
12194         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12195         (verify_gimple_cond): Likewise.
12196         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12197         valid type of VAL.
12199 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12201         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12202         !TARGET_OCTEON.
12204 2016-01-18  Richard Biener  <rguenther@suse.de>
12206         PR middle-end/69308
12207         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12209 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12211         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12213 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12215         * omp-low.c (set_oacc_fn_attrib): Make extern.
12216         * omp-low.h (set_oacc_fn_attrib): Declare.
12217         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12218         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12219         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12220         Add and handle function parameter oacc_kernels_p.
12221         (find_reduc_addr, get_omp_data_i_param): New function.
12222         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12223         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12224         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12225         Calculate dominance info.  Skip loops that are not in a kernels region
12226         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12227         (pass_parallelize_loops::execute): Call parallelize_loops with
12228         oacc_kernels_p argument.
12229         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12230         New member function.
12231         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12232         * passes.def: Add argument to pass_parallelize_loops instantation.
12234 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12236         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12237         pass_parallelize_loops to be run outside the loop pipeline.
12239 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12241         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12242         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12244 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12246         PR target/63679
12247         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12248         using get_ref_base_and_extent.
12249         (equal_mem_array_ref_p): New.
12250         (hashable_expr_equal_p): Add call to previous.
12252 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12254         PR target/63679
12255         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12256         (sra_initialize): Allocate disqualified_constants.
12257         (sra_deinitialize): Free disqualified_constants.
12258         (disqualify_candidate): Update disqualified_constants when appropriate.
12259         (create_access): Scan for constant-pool entries as we go along.
12260         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12261         (maybe_add_sra_candidate): Allow constant-pool entries.
12262         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12263         (initialize_constant_pool_replacements): New.
12264         (sra_modify_assign): Avoid mangling assignments created by previous,
12265         and don't generate writes into constant pool.
12266         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12268 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12270         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12271         andnot instruction.
12272         (scalar_chain::convert_op): Likewise.
12273         * config/i386/i386.md (*andndi3_doubleword): New.
12275 2016-01-18  Richard Biener  <rguenther@suse.de>
12277         PR tree-optimization/69170
12278         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12279         building a vector from scalar results of a pattern stmt.
12281 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12283         * haifa-sched.c (autopref_multipass_init): Work around
12284         -Wmaybe-uninitialized warning.
12286 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12288         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12289         against the constant 0.
12291 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12293         PR tree-optimization/68799
12294         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12295         look up phi candidates in the statement-candidate map.
12296         (phi_add_costs): Likewise.
12297         (record_phi_increments): Likewise.
12298         (phi_incr_cost): Likewise.
12299         (ncd_with_phi): Likewise.
12300         (all_phi_incrs_profitable): Likewise.
12302 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12304         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12305         -Wmaybe-uninitialized warning.
12307 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12309         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12310         (Option Summary): Update to reflect new section and moved options.
12311         (C++ Dialect Options): Move -fvtable-verify and related options.
12312         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12313         and profiling-related options.
12314         (Optimization Options): Move profile generation options and
12315         -fstack-protector and related options.
12316         (Instrumentation Options): New section incorporating moved options.
12317         (Code Generation Options): Move -finstrument-functions and
12318         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12320 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12322         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12324 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12326         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12328 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12330         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12331         that checks whether the table is already empty.  Rename the
12332         original implementation to...
12333         (hash_table::empty_slot): ...this new private function.
12335 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12337         PR diagnostic/68899
12338         * diagnostic-show-locus.c (layout::print_source_line): Move x
12339         offset of line until after call to
12340         get_line_width_without_trailing_whitespace.
12342 2016-01-15  Jeff Law  <law@redhat.com>
12344         PR tree-optimization/69270
12345         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12346         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12347         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12348         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12349         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12350         ssa_name_has_boolean_range and constant_boolean_node.
12352 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12354         PR rtl-optimization/69030
12355         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12356         returning bool.
12357         (spill_pseudos): Delete debug insn for dead pseudo.
12358         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12360 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12362         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12363         New.
12364         (TYPES_UNOPUS): Likewise.
12365         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12366         builtin type, from UNOP to UNOPUS.
12367         (lbtruncuv4sf): Likewise.
12368         (lbtruncuv2df): Likewise.
12369         (lrounduv2sf): Likewise.
12370         (lrounduv4sf): Likewise.
12371         (lrounduv2df): Likewise.
12372         (lroundusf): Likewise.
12373         (lroundusf): Likewise.
12374         (lceiluv2sf): Likewise.
12375         (lceiluv4sf): Likewise.
12376         (lceiluv2df): Likewise.
12377         (lceilusf): Likewise.
12378         (lceiludf): Likewise.
12379         (lflooruv2sf): Likewise.
12380         (lflooruv4sf): Likewise.
12381         (lflooruv2df): Likewise.
12382         (lfloorusf): Likewise.
12383         (lfloorudf): Likewise.
12384         (lfrintnuv2sf): Likewise.
12385         (lfrintnuv4sf): Likewise.
12386         (lfrintnuv2df): Likewise.
12387         (lfrintnusf): Likewise.
12388         (lfrintnudf): Likewise.
12389         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12390         conversion.
12391         (vcvtq_u32_f32): Likewise.
12392         (vcvtq_u64_f64): Likewise.
12393         (vcvta_u32_f32): Likewise.
12394         (vcvtaq_u32_f32): Likewise.
12395         (vcvtaq_u64_f64): Likewise.
12396         (vcvtm_u32_f32): Likewise.
12397         (vcvtmq_u32_f32): Likewise.
12398         (vcvtmq_u64_f64): Likewise.
12399         (vcvtn_u32_f32): Likwise.
12400         (vcvtnq_u32_f32): Likewise.
12401         (vcvtnq_u64_f64): Likewise.
12402         (vcvtp_u32_f32): Likewise.
12403         (vcvtpq_u32_f32): Likewise.
12404         (vcvtpq_u64_f64): Likewise.
12405         (vcvtmd_u64_f64): Likewise.
12406         (vcvtms_u32_f32): Likewise.
12407         (vcvtad_u64_f64): Likewise.
12408         (vcvtas_u32_f32): Likewise.
12409         (vcvtnd_u64_f64): Likewise.
12410         (vcvtns_u32_f32): Likewise.
12411         (vcvtpd_u64_f64): Likewise.
12412         (vcvtps_u32_f32): Likewise.
12414 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12416         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12417         CSEL of zero_extended registers.
12419 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12421         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12422         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12424 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12426         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12427         false when argument string is not found in the attributes table
12428         at all.
12430 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12432         PR target/68609
12433         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12434         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12435         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12436         precision estimate.
12438 2016-01-15  Richard Biener  <rguenther@suse.de>
12440         PR tree-optimization/66856
12441         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12442         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12443         (vect_create_new_slp_node): Increment stmt reference count.
12444         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12445         an SLP tree before swapping operands.
12446         (vect_build_slp_tree): Likewise.
12447         (destroy_bb_vec_info): Free stmt info after SLP instances.
12448         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12449         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12450         (STMT_VINFO_NUM_SLP_USES): New macro.
12452 2016-01-15  Richard Biener  <rguenther@suse.de>
12454         PR debug/69137
12455         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12456         (add_linkage_name): ... here.
12457         (gen_typedef_die): Use add_linkage_name_raw instead of
12458         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12459         if necessary.
12461 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12463         * gimplify.c (oacc_default_clause): Decode reference and pointer
12464         types for both kernels and parallel regions.
12466 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12468         PR middle-end/69246
12469         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12471 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12473         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12474         (convert_scalars_to_vector): Likewise.
12476 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12478         * doc/extend.texi (Type Traits): Fix grammar.
12480 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12482         * tree-inline.c (remap_decl): Use existing dclarations if
12483         remapping a type and prevent_decl_creation_for_types.
12484         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12485         decls first.  Do real remapping with
12486         prevent_decl_creation_for_types set.
12487         * tree-inline.h (copy_body_data): New field
12488         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12489         padding.
12491 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12493         * config/s390/s390.opt (mmvcle): More verbose help text.
12495 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12497         * config/s390/s390.opt: Add period to -mzvector option text.
12499 2016-01-15  Richard Biener  <rguenther@suse.de>
12501         PR tree-optimization/68961
12502         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12503         of invariants in stores again.
12505 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12507         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12509 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12511         * config/i386/i386.c (ix86_expand_branch): Don't split
12512         DI mode xor instruction to SI mode.
12514 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12516         PR ipa/68148
12517         * ipa-icf.c (sem_function::merge): Virtual functions may become
12518         reachable even if they address is not taken and there are no
12519         idrect calls.
12521 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12523         * lto-streamer-out.c (subtract_estimated_size): New function.
12524         (get_symbol_initial_value): Use it.
12526 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12528         PR target/65837
12529         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12530         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12531         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12532         use add_builtin_function_ext_scope instead of add_builtin_function.
12533         (neon_set_p, neon_crypto_set_p): Remove.
12534         (arm_init_builtins): Always call arm_init_neon_builtins and
12535         arm_init_crypto_builtins.
12536         (arm_expand_builtin): Check that builtins are allowed for the arch.
12537         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12538         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12539         arm_init_neon_builtins call.
12541 2016-01-15  Richard Biener  <rguenther@suse.de>
12543         PR tree-optimization/69117
12544         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12545         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12546         of the leader conservatively.
12547         (free_scc_vn): Restore original SSA name infos.
12549 2016-01-14  Jeff Law  <law@redhat.com>
12551         PR tree-optimization/69270
12552         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12553         single bit of precision, verify it's also unsigned.
12554         (record_edge_info): Use constant_boolean_node rather than fold_convert
12555         to convert boolean_true/boolean_false to the right type.
12557 2016-01-14  Richard Henderson  <rth@redhat.com>
12559         PR rtl-opt/69014
12560         * loop-doloop.c (record_reg_sets): New.
12561         (doloop_optimize): Reject the transform if the sequence
12562         clobbers registers live at the end of the loop block.
12563         (doloop_optimize_loops): Enable df_live if needed.
12565 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12567         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12568         * config/rs6000/rs6000.c: Likewise.
12569         * config/rs6000/rs6000.h: Likewise.
12570         * config/rs6000/rs6000.md: Likewise.
12571         * doc/extend.texi: Likewsie.
12573 2016-01-14  Jeff Law  <law@redhat.com>
12575         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12576         typo.
12578 2016-01-14  Richard Henderson  <rth@redhat.com>
12580         PR c/69272
12581         PR tree-opt/68964
12582         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12583         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12584         instead of builtin_decl_declared_p to test for declaration.
12586 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12588         * doc/loop.texi (Loop Analysis and Representation): Document
12589         loop_depth function.
12591 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12593         PR tree-optimization/68773
12594         * omp-low.c (expand_omp_target): Don't set force_output.
12595         * varpool.c (varpool_node::get_create): Same.
12596         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12597         offload_funcs with force_output.
12599 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12601         PR debug/69244
12602         * lra-eliminations.c (move_plus_up): Don't change anything if either
12603         the outer or inner subreg mode is not MODE_INT.
12604         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12605         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12607 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12609         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12610         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12611         reduc_uplus_@var{m}): Remove.
12612         * expr.c (expand_expr_real_2): Remove expansion path for
12613         reduc_[us](min|max|plus) optabs.
12614         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12615         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12616         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12617         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12618         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12619         reduc_[us](min|max|plus) optabs.
12621 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12623         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12624         (reduc_plus_scal_v2sf): New.
12625         (reduc_smax_v2sf): Rename to...
12626         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12627         (reduc_smin_v2sf): Rename to...
12628         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12630 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12632         * alias.c (compare_base_symbol_refs): New function.
12633         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12634         it.
12636 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12638         PR middle-end/68146
12639         PR tree-optimization/69155
12640         * tree-complex.c: Include cfganal.h.
12641         (phis_to_revisit): New variable.
12642         (extract_component): Add phiarg_p argument.  Assert that returned
12643         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12644         (update_phi_components): Partly rewrite to use loop over real/imag
12645         components instead of code duplication.  If extract_component returns
12646         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12647         create_tmp_reg into the PHI node instead, and mention the phi triplet
12648         in phis_to_revisit.
12649         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12650         in phis_to_revisit at the end.
12652 2016-01-14  Richard Biener  <rguenther@suse.de>
12654         PR tree-optimization/68060
12655         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12656         outer loop reduction is only used in the inner loop before
12657         detecting a double reduction.
12659 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12661         PR target/68269
12662         * combine.c (expand_field_assignment): Punt if compute_mode is
12663         unsupported scalar mode.
12665 2016-01-14  Richard Biener  <rguenther@suse.de>
12667         PR tree-optimization/66856
12668         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12669         SLP node only if it built successfully.
12670         (vect_analyze_slp_instance): Adjust.
12672 2016-01-14  Jeff Law  <law@redhat.com>
12674         PR tree-optimization/69270
12675         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12676         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12677         to the type of op0.
12679 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12681         PR ipa/66487
12682         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12683         use block_ultimate_origin
12684         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12686 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12688         * doc/invoke.texi (Submodel Options): Rename section to
12689         "Machine-Dependent Options" to better reflect its content.
12690         Rewrite introductory text to remove archaic CPU names.
12691         Update references.
12693 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12695         * doc/invoke.texi (Code Gen Options): Move section up in file,
12696         before target-specific options.  Update menu and option summary
12697         to reflect the new section ordering.
12699 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12701         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12702         (C++ Dialect Options): Add cross-reference to -std option.
12703         * doc/standards.texi (C++ Language): Document C++14 support.
12705 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12707         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12708         for pack/unpack functions for __ibm128.
12709         (PACK_IF): Likewise.
12710         (UNPACK_IF): Likewise.
12712         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12713         support for __ibm128 pack/unpack functions.
12714         (rs6000_invalid_builtin): Likewise.
12715         (rs6000_init_builtins): Likewise.
12716         (rs6000_opt_masks): Likewise.
12718         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12719         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12720         functions
12721         (RS6000_BTM_COMMON): Likewise.
12723         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12724         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12725         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12726         128-bit floating point.  Add support for the double values to be
12727         in Altivec registers for TF/IF packing and unpacking, but restrict
12728         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12729         register support for packing.  Allow pack inputs to be memory
12730         locations.  Don't build generator functions for unpack<mode>_dm
12731         and unpack<mode>_nodm.
12732         (unpack<mode>_dm): Likewise.
12733         (unpack<mode>_nodm): Likewise.
12734         (pack<mode>): Likewise.
12736         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12737         built-in functions to pack/unpack explicit __ibm128 values.
12738         (__builtin_unpack_ibm128): Likewise.
12740         * doc/extend.texi (PowerPC Built-in Functions): Document
12741         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12743 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12745         PR c/66208
12746         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12747         Add new arg loc and pass it down as context.
12748         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
12749         to the location to use for the warning.
12750         (check_function_arguments): New arg loc.  All callers changed.  Pass
12751         it to check_function_nonnull.
12752         * c-common.h (check_function_arguments): Adjust declaration.
12754 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
12756         PR tree-optimization/69156
12757         * gimple.c (validate_type): Removed.
12758         (gimple_builtin_call_types_compatible_p): Use
12759         useless_type_conversion_p instead of validate_type.
12760         * value-prof.c (gimple_stringop_fixed_value): Fold
12761         icall_size to correct type.
12763 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12765         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
12766         effects.
12768 2016-01-13  Richard Henderson  <rth@redhat.com>
12770         PR tree-opt/68964
12771         * target.def (builtin_tm_load, builtin_tm_store): Remove.
12772         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
12773         (ix86_builtin_tm_store): Remove.
12774         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12775         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12776         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12777         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12778         * doc/tm.texi: Rebuild.
12780         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
12781         (BUILT_IN_TM_MEMCPY_RTWN): New.
12782         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
12783         fallback from vector to integer helpers.
12784         (build_tm_load): Handle vector types directly, instead of
12785         via target hook.
12786         (build_tm_store): Likewise.
12787         (expand_assign_tm): Prepare for register types not handled by
12788         the above.  Copy them to memory and use memcpy.
12789         * tree.c (tm_define_builtin): New.
12790         (find_tm_vector_type): New.
12791         (build_tm_vector_builtins): New.
12792         (build_common_builtin_nodes): Call it.
12794 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
12796         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
12797         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
12799 2016-01-13  Tom de Vries  <tom@codesourcery.com>
12801         PR tree-optimization/69169
12802         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
12803         handled_struct_type param.
12804         (create_variable_info_for, intra_create_variable_infos): Call
12805         create_variable_info_for_1 with extra arg.
12807 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
12809         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
12810         and "armv8.1-a+crc" entries.
12812 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
12814         PR target/69228
12815         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
12816         Change first operand predicate from register_or_constm1_operand
12817         to register_operand.
12818         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
12819         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
12820         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
12821         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
12822         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
12823         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
12824         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
12825         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
12826         comparison with constm1_rtx from vec_prefetch_gen part.
12828 2016-01-13  Richard Biener  <rguenther@suse.de>
12830         PR tree-optimization/69013
12831         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
12832         Exchange assert for a test.
12834 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12836         PR target/69247
12837         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
12839 2016-01-13  Richard Biener  <rguenther@suse.de>
12841         PR tree-optimization/69242
12842         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
12843         assert with a check.
12845 2016-01-13  Richard Biener  <rguenther@suse.de>
12847         PR tree-optimization/69186
12848         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
12849         Properly guard vect_update_misalignment_for_peel call.
12851 2016-01-12  Jeff Law  <law@redhat.com>
12853         PR tree-optimization/pr67755
12854         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
12855         "need_profile_correction".
12856         (thread_block_1): Initialize new field to false by default.  If we
12857         have multiple thread paths through a common joiner to different
12858         final targets, then set new field to true.
12859         (compute_path_counts): Only do count adjustment when it's really
12860         needed.
12862 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12864         * doc/invoke.texi (Spec Files): Move section down in file, past
12865         all command-line option descriptions.
12867 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12869         PR middle-end/54809
12870         * doc/gty.texi: Remove documentation of mark_hook.
12871         * gengtype.c (struct write_types_data): Remove code to support
12872         mark_hook attribute.
12873         (walk_type): Likewise.
12874         (write_func_for_structure): Likewise.
12876 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12878         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
12879         Directory Options, and -specs= to Overall Options.
12880         (Overall Options): Adjust similarly.  Reorder to group related
12881         options together.  Make -specs= cross-reference the spec file details.
12882         (Directory Options): Adjust similarly.
12884 2016-01-12  Jeff Law  <law@redhat.com>
12886         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
12888 2016-01-12  Olivier Hainque  <hainque@adacore.com>
12890         * gcc.c (spec_undefvar_allowed): New global.
12891         (process_command): Set to true when running for --version or --help,
12892         alone or together.
12893         (getenv_spec_function): When the variable is not defined, use the
12894         variable name as the variable value if we're allowed not to issue
12895         a fatal error.
12897 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
12899         PR tree-optimization/68911
12900         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
12901         information computed for expression "init + nit * step".
12903 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12905         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
12906         about name of GCC executable.  Remove deleted node from menu.
12907         (Directory Options) <-B>: Remove cross-reference to deleted node.
12908         (Target Options): Delete section.
12910 2016-01-12  Christian Bruel  <christian.bruel@st.com>
12912         PR target/69180
12913         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
12914         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
12916 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
12918         PR target/69198
12919         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
12920         aligned_mem is properly set for AVX512-VL floating point masked
12921         stores.
12923         PR target/69175
12924         * ifcvt.c (cond_exec_process_if_block): When removing the last
12925         insn from then_bb, remove also any possible barriers that follow it.
12927 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
12929         PR target/68456
12930         PR target/69226
12931         * config/i386/iamcu.h (SIZE_TYPE): New macro.
12932         (PTRDIFF_TYPE): Likewise.
12933         (WCHAR_TYPE): Likewise.
12934         (WCHAR_TYPE_SIZE): Likewise.
12935         (STDINT_LONG32): Likewise.
12937 2016-01-12  Richard Biener  <rguenther@suse.de>
12939         PR tree-optimization/69053
12940         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
12941         convert initial value for cond reductions.
12943 2016-01-12  Richard Biener  <rguenther@suse.de>
12945         PR tree-optimization/69007
12946         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
12947         widen_sum after dot_prod and sad.
12949 2016-01-12  Richard Biener  <rguenther@suse.de>
12951         PR tree-optimization/69168
12952         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
12953         pattern stmt SLP type.
12954         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
12955         end up unused so cope with that case.
12957 2016-01-12  Richard Biener  <rguenther@suse.de>
12959         PR tree-optimization/69157
12960         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
12961         stmts def type only during analyze phase.
12962         (vectorizable_call): Likewise.
12963         (vectorizable_simd_clone_call): Likewise.
12964         (vectorizable_conversion): Likewise.
12965         (vectorizable_assignment): Likewise.
12966         (vectorizable_shift): Likewise.
12967         (vectorizable_operation): Likewise.
12968         (vectorizable_store): Likewise.
12969         (vectorizable_load): Likewise.
12971 2016-01-12  Richard Biener  <rguenther@suse.de>
12973         PR tree-optimization/69174
12974         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
12975         space.
12976         (vectorizable_load): Properly compute the number of loads needed
12977         for permuted strided SLP loads and do not spuriously assign
12978         to SLP_TREE_VEC_STMTS.
12980 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
12982         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
12983         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
12984         (MD_EXEC_PREFIX): Remove.
12985         (MD_STARTFILE_PREFIX) Removee.
12986         (FILE_NAME_ABSOLUTE_P): Remove.
12987         (CPP_SPEC): Do not read macros from sys/version.h.
12988         (LINK_COMMAND_SPEC): Remove.
12989         (LOCAL_INCLUDE_DIR): Remove.
12990         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
12991         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
12992         (POST_LINK_SPEC): Define to invoke stubify after linker
12993         (LIBSTDCXX): Remove define
12994         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
12995         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
12996         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
12997         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
12998         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
12999         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13000         (i386_djgpp_asm_named_section): Add propotype of new procedure
13002         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13003         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13004         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13005         in config/i386/djgpp.h).
13006         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13007         STANDARD_STARTFILE_PREFIX_1.
13008         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13009         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13010         installation errors.
13011         (MAX_OFILE_ALIGNMENT): Define to 128.
13012         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13014         * config/i386/djgpp.c: New file. Add implementation of
13015         i386_djgpp_asm_named_section.
13017         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13019         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13020         Add rule for building djgpp.o.
13022 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13024         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13025         (rtx_is_swappable_p): Reductions are swappable.
13026         (insn_is_swappable_p): V2DF reductions are swappable.
13028 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13030         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13031         reloads for other unsupported memory operands.
13033 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13034             Jim Wilson  <jim.wilson@linaro.org>
13036         PR target/69194
13037         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13038         copy_to_mode_reg instead of force_reg.
13040 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13042         PR target/69225
13043         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13044         TARGET_80387 is true.
13046 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13048         PR target/69071
13049         * lra-eliminations.c (move_plus_up): Only move plus up
13050         if subreg of the constant can be simplified into constant
13051         and use the simplified subreg of the constant instead of
13052         the original constant.
13054         * fold-const.c (fold_convertible_p): Don't return true
13055         for conversion of VECTOR_TYPE to same sized integral type.
13056         (fold_convert_loc): Fix up formatting.  Fold conversion of
13057         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13058         instead of NOP_EXPR.
13060         PR tree-optimization/69214
13061         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13062         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13063         Formatting fix.
13065         PR tree-optimization/69207
13066         * tree-vect-slp.c (vect_get_constant_vectors): For
13067         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13068         fold_convertible_p to vector_type's element type, and always
13069         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13071 2016-01-11  Richard Biener  <rguenther@suse.de>
13073         PR tree-optimization/69173
13074         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13075         fixup the cycle if all stmts are in a pattern.
13077 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13079         PR middle-end/68999
13080         * alias.c (base_alias_check): Move check for addresses with
13081         alignment ANDs before the call for compare_base_decls.
13082         (memrefs_conflict_p): Return -1 for different decls
13083         that went through alignment adjustments.
13085 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13087         PR rtl-optimization/68796
13088         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13089         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13090         and QImode comparisons against zero with CC_NZmode.
13091         * config/aarch64/iterators.md (short_mask): New mode_attr.
13093 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13095         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13096         (<avx512>_store<mode>_mask): Likewise.
13098 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13099             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13101         PR rtl-optimization/68841
13102         * ifcvt.c (struct noce_if_info): Add orig_x field.
13103         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13104         Don't record conflicts on to_rename if it's present.
13105         Allow memory destinations in sets.
13106         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13107         blocks, passing orig_x to the checks.
13108         (noce_process_if_block): Set if_info->orig_x appropriately.
13110 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13112         PR tree-optimization/69069
13113         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13115 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13117         PR rtl-optimization/68920
13118         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13119         of conditional moves for  RTL if-conversion to 1 for
13120         TARGET_ONE_IF_CONV_INSN.
13121         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13122         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13123         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13124         parameter to restirct number of conditional moves for
13125         RTL if-conversion.
13126         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13127         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13128         conditionl moves.
13130 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13132         PR bootstrap/69123
13133         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13134         onepart vars.  Fix typo in comment.  Fix reversed condition in
13135         unshare test.
13136         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13138         PR bootstrap/69123
13139         * var-tracking.c (dump_onepart_variable_differences): New.
13140         (dataflow_set_different): If a detailed dump is requested,
13141         delay early returns and dump differences between onepart
13142         variables present before and after, and added variables.
13144 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13146         PR target/69010
13147         * expr.c (expand_expr_real_1): For boolean vector constants
13148         with a scalar mode use const_scalar_mask_from_tree.
13149         (const_scalar_mask_from_tree): New.
13150         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13151         assigned to a mask type to handle constants.
13153 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13155         PR ipa/69044
13156         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13157         useless parameters if we cannot change function signature.
13159 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13161         PR ipa/66616
13162         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13163         flag.
13165 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13167         PR tree-optimization/69109
13168         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13169         latch with phi.
13171 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13173         PR tree-optimization/69108
13174         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13175         res is not used in a phi.
13177 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13179         PR 67425
13180         * common.opt (frandom-seed): Fix parameter name.
13181         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13183 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13185         PR tree-optimization/69058
13186         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13187         not supported.
13189 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13191         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13192         (mcode-density): Likewise.
13194 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13196         PR tree-optimization/69062
13197         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13198         (parallelize_loops): Don't paralelize loop that has phi with address
13199         arg.
13201 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13203         PR tree-optimization/69039
13204         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13205         phi for reduction.
13207 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13209         PR middle-end/68743
13210         * match.pd: Require target has function_c99_misc before doing
13211         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13213 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13215         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13216         use GMPINC.
13217         * configure: Regenerate.
13219 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13221         PR middle-end/50865
13222         PR tree-optimization/69097
13223         * fold-const.h (expr_not_equal_to): New prototype.
13224         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13225         (expr_not_equal_to): New function.
13226         * match.pd (X % -Y is the same as X % Y): Don't optimize
13227         unless X is known not to be equal to minimum or Y is known
13228         not to be equal to -1.
13229         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13230         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13231         (simplify_stmt_using_ranges): Adjust caller.
13232         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13233         substitute_and_fold.
13235 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13237         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13238         w/o DECL_NAME.
13240 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13242         PR tree-optimization/69167
13243         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13244         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13245         ops[0] comparison.
13246         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13248 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13249             Richard Biener  <rguenther@suse.de>
13251         PR tree-optimization/68707
13252         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13253         instances that can be handled via vect_load_lanes.
13255 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13257         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13258         if we can't determine address equivalence.
13259         * alias.c (compare_base_decl): Update for changed return value of
13260         symtab_node::equal_address_to.
13262 2016-01-08  Jason Merrill  <jason@redhat.com>
13264         PR c++/68983
13265         PR c++/67557
13266         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13267         * expr.c (store_field): Not here.
13268         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13269         call with TREE_ADDRESSABLE type.
13270         * tree-cfg.c (verify_gimple_call): Adjust.
13272 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13274         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13275         libc_internal.
13277 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13279         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13280         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13281         (reduc_smin_v2sf): Rename to...
13282         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13283         (reduc_splus_v2sf): Rename to...
13284         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13286 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13288         PR tree-optimization/69162
13289         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13290         valist argument in another argument.
13291         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13292         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13293         to determine the va_list type, build a MEM_REF instead of
13294         build_fold_indirect_ref.
13296         PR tree-optimization/69172
13297         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13298         gimple_build.
13300 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13302         PR tree-optimization/67781
13303         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13304         and cmpnop in two steps: first the ones not accessed in original
13305         gimple expression in a endian independent way and then the ones not
13306         accessed in the final result in an endian-specific way.
13308 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13310         PR tree-optimization/69083
13311         * tree-vect-slp.c (vect_get_constant_vectors): For
13312         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13313         element type.  If op is fold_convertible_p to vector_type's element
13314         type, use NOP_EXPR instead of VCE.
13316 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13318         PR rtl-optimization/67778
13319         PR rtl-optimization/68634
13320         PR rtl-optimization/68909
13321         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13322         block from the stack until done with it.  Remove a superfluous
13323         bitmap set.  Remove a superfluous bitmap test.
13325 2016-01-07  Martin Sebor  <msebor@redhat.com>
13327         PR c/68966
13328         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13329         constraint on the type of arguments.
13331 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13333         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13334         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13335         unaligned_access on the gcc_options set.
13336         * config/arm/arm.c (arm_option_override_internal): Use
13337         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13339 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13341         PR target/69140
13342         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13343         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13345 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13347         Revert
13348         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13350         PR target/69140
13351         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13352         depending on frame_pointer_needed before remaining integer and SSE
13353         registers are saved.
13355 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13357         PR 1078
13358         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13360 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13362         PR target/69171
13363         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13364         Use the "xBm" constraint.
13365         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13366         Likewise.
13367         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13368         (sse_cvtsi2ssq<round_name>): Likewise.
13369         (sse_cvtss2si<round_name>): Likewise.
13370         (sse_cvtss2siq<round_name>): Likewise.
13371         (sse2_cvtsi2sdq<round_name>): Likewise.
13372         (sse2_cvtsd2si<round_name>): Likewise.
13373         (sse2_cvtsd2siq<round_name>): Likewise.
13374         * config/i386/subst.md (round_nimm_scalar_predicate): New
13375         predicate.
13377 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13379         PR middle-end/67639
13380         * varasm.c (make_decl_rtl): Mark invalid register vars as
13381         DECL_EXTERNAL.
13383         PR rtl-optimization/66206
13384         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13385         All callers changed.
13387 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13389         PR tree-optimization/69141
13390         * tree-ssa-pre.c: Include langhooks.h.
13391         (eliminate_dom_walker::before_dom_children): Use
13392         lang_hooks.decl_printable_name instead of
13393         cgraph_node::get ()->name ().
13395         PR middle-end/68960
13396         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13397         it and DECL_ALIGN too.
13399 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13401         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13403 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13405         PR target/69140
13406         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13407         depending on frame_pointer_needed before remaining integer and SSE
13408         registers are saved.
13410 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13412         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13413         mode iterator with VSX_M2.
13414         (*p9_vecstore_<mode>): Likewise.
13415         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13416         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13417         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13418         (define_split for VSX_LE128 stores): Likewise.
13419         (define_peephole2 for TImode LE swaps): Likewise.
13420         (define_split for VSX_LE128 post-reload stores): Likewise.
13422 2016-01-06  Marek Polacek  <polacek@redhat.com>
13424         PR sanitizer/69099
13425         * convert.c (convert_to_integer_1): Adjust call to
13426         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13427         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13428         EXPR instead of ARG.
13429         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13431 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13433         PR 1078
13434         * doc/extend.texi (RL78 Variable Attributes): New section.
13436 2016-01-05  Marek Polacek  <polacek@redhat.com>
13438         PR c/69104
13439         * builtins.c (get_memmodel): Use expansion point location rather than
13440         the input location.  Call warning_at rather than warning.
13441         (expand_builtin_atomic_compare_exchange): Likewise.
13442         (expand_builtin_atomic_load): Likewise.
13443         (expand_builtin_atomic_store): Likewise.
13444         (expand_builtin_atomic_clear): Likewise.
13446 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13448         PR target/68991
13449         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13450         Replace nonimmediate_operand with vector_operand.
13451         * config/i386/predicates.md (vector_operand): New predicate.
13452         (general_vector_operand): Replace nonimmediate_operand with
13453         vector_operand.
13454         * config/i386/sse.md: Replace nonimmediate_operand with
13455         vector_operand and m constraint with Bm constraint on SSE
13456         patterns with 16-byte memory operand.
13457         * config/i386/subst.md (round_nimm_predicate): Replace
13458         nonimmediate_operand with vector_operand.
13459         (round_saeonly_nimm_predicate): Likewise.
13460         (round_saeonly_nimm_scalar_predicate): New.
13462 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13464         PR target/68991
13465         * config/i386/constraints.md (Bm): New constraint.
13466         * config/i386/predicates.md (vector_memory_operand): New
13467         predicate.
13468         * config/i386/sse.md: Replace xm with xBm in plusminus and
13469         any_logic patterns.
13471 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13473         PR 1078
13474         * doc/extend.texi (V850 Function Attributes): New section.
13475         (V850 Variable Attributes): New section.
13477 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13479         PR 1078
13480         * doc/extend.texi (MicroBlaze Function Attributes): Document
13481         interrupt_handler and fast_interrupt attributes.
13483 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13485         PR other/60465
13486         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13487         for local symbolic operands.
13488         * config/ia64/predicates.md (local_symbolic_operand64): New
13489         predicate.
13491 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13493         PR rtl-optimization/68651
13494         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13495         x << 1.
13497 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13499         * alias.c (compare_base_decls): Use symtab_node::get.
13501 2016-01-05  Nick Clifton  <nickc@redhat.com>
13503         PR target/68770
13504         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13505         secondary_reload_info structure.
13507         PR target/66655
13508         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13509         decls if weak support is available.
13511 2016-01-04  Martin Sebor  <msebor@redhat.com>
13513         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13515 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13517         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13518         OPTION_MASK_P9_DFORM.
13520         * config/rs6000/constraints.md (wo constraint): New constraint for
13521         ISA 3.0 (power9).
13523         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13524         for wo constraint.
13525         (rs6000_init_hard_regno_mode_ok): Likewise.
13527         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13528         wo constraint.
13530         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13531         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13532         instruction.  Add support for fusing xxlor with xxperm.
13533         (altivec_vperm_<mode>_internal): Likewise.
13534         (altivec_vperm_v8hiv16qi): Likewise.
13535         (altivec_vperm_<mode>v16q): Likewise.
13536         (altivec_vperm_<mode>_uns): Likewise.
13537         (vperm_v8hiv4si): Likewise.
13538         (vperm_v16qiv8hi): Likewise.
13540         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13542 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13544         Update copyright years.
13546         * gcc.c (process_command): Update copyright notice dates.
13547         * gcov-dump.c (print_version): Ditto.
13548         * gcov.c (print_version): Ditto.
13549         * gcov-tool.c (print_version): Ditto.
13550         * gengtype.c (create_file): Ditto.
13551         * doc/cpp.texi: Bump @copying's copyright year.
13552         * doc/cppinternals.texi: Ditto.
13553         * doc/gcc.texi: Ditto.
13554         * doc/gccint.texi: Ditto.
13555         * doc/gcov.texi: Ditto.
13556         * doc/install.texi: Ditto.
13557         * doc/invoke.texi: Ditto.
13559 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13561         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13562         modes larger than TImode as TImode if NEON is not enabled.
13564 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13566         PR target/69100
13567         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13568         mode for %f0-%f31 only if TARGET_FPU.
13570 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13572         PR target/69072
13573         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13574         to compute the PACKED_P predicate.
13575         (function_arg_record_value): Minor tweaks.
13577 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13579         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13580         option for arm*-*-* targets.
13582 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13584         * doc/extend.texi (Common Function Attributes): Move docs for
13585         MSP430-specific attributes to....
13586         (MSP430 Function Attributes): ...here.  Delete the redundant
13587         entries and copy-edit the remaining text.
13588         (MSP430 Variable Attributes): Use uniform format for index
13589         entries and add a cross-reference to the corresponding function
13590         attribute docs.
13592 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13594         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13595         -finite-math typo.
13596         (x86 Options): Likewise.
13598 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13600         PR 1078
13602         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13603         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13604         to corresponding attribute.
13606 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13608         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13609         to correct alphabetization of table.  Copy-edit and correct
13610         markup.
13611         <stack_protect>: Likewise.
13612         <target_clones>: Likewise.
13613         <simd>: Likewise.
13614         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13615         Correct punctuation.
13616         (Code Gen Options) <-fno-plt>: Copy-edit.
13618 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13620         PR target/68917
13621         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13622         SI values.  Explicitly convert SI to DI and vice-versa.
13624 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13626         PR tree-optimization/69070
13627         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13628         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13630         PR sanitizer/69055
13631         * ubsan.c (ubsan_instrument_float_cast): Call
13632         initialize_sanitizer_builtins.
13634         PR target/69015
13635         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13637 Copyright (C) 2016 Free Software Foundation, Inc.
13639 Copying and distribution of this file, with or without modification,
13640 are permitted in any medium without royalty provided the copyright
13641 notice and this notice are preserved.