gcc/ChangeLog

   1 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR c/69835
   4         * common.opt (Wnonnull-compare): New warning.
   5         * doc/invoke.texi (-Wnonnull): Remove text about comparison
   6         of arguments against NULL.
   7         (-Wnonnull-compare): Document.
   8         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
   9         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
  10         * passes.def (pass_warn_nonnull_compare): Add.
  11         * gimple-ssa-nonnull-compare.c: New file.
  12
  13 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
  14
  15         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
  16         AARCH64_EXTRA_TUNE_RECIP_SQRT.
  17
  18 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
  19
  20         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
  21         reciprocal sqrt for -mlow-precision-recip-sqrt.
  22
  23 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
  24             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
  25
  26         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
  27         always use lane loads to construct non-constant vectors.
  28
  29 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
  30
  31         * config/aarch64/aarch64.md
  32         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
  33         constraints for operand 3.
  34         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
  35
  36 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
  37             Richard Biener  <rguenther@suse.de>
  38
  39         PR tree-optimization/69820
  40         * tree-vect-patterns.c (type_conversion_p): Return false if
  41         *orig_type is unsigned single precision or boolean.
  42         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
  43         Formatting fix.
  44
  45 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
  46
  47         PR rtl-optimization/69764
  48         PR rtl-optimization/69771
  49         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
  50         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
  51
  52 2016-02-16  Richard Biener  <rguenther@suse.de>
  53
  54         PR tree-optimization/69776
  55         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
  56         sets from caller.
  57         (indirect_refs_may_alias_p): Likewise.
  58         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
  59         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
  60         according to tbaa_p.
  61         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
  62         (optimize_stmt): For redundant store discovery do not allow tbaa.
  63
  64 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
  65
  66         PR tree-optimization/69714
  67         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
  68         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
  69
  70 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
  71
  72         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
  73         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
  74         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
  75         * config/arc/arc.c (arc_init): Check FPU options.
  76         (get_arc_condition_code): Handle new CC_FPU* modes.
  77         (arc_select_cc_mode): Likewise.
  78         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
  79         register pair only. Allow access for ARCv2 accumulator.
  80         (gen_compare_reg): Whenever we have FPU support use FPU compare
  81         instructions.
  82         (arc_reorg): Don't generate brcc insns when FPU compare
  83         instructions are involved.
  84         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
  85         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
  86         floating point emulation.
  87         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
  88         (REVERSE_CONDITION): Add new CC_FPU* modes.
  89         (TARGET_FP_SP_BASE): Define.
  90         (TARGET_FP_DP_BASE): Likewise.
  91         (TARGET_FP_SP_FUSED): Likewise.
  92         (TARGET_FP_DP_FUSED): Likewise.
  93         (TARGET_FP_SP_CONV): Likewise.
  94         (TARGET_FP_DP_CONV): Likewise.
  95         (TARGET_FP_SP_SQRT): Likewise.
  96         (TARGET_FP_DP_SQRT): Likewise.
  97         (TARGET_FP_DP_AX): Likewise.
  98         * config/arc/arc.md (ARCV2_ACC): New constant.
  99         (type): New fpu type attribute.
 100         (SDF): Conditional iterator.
 101         (cstore<mode>, cbranch<mode>): Change expand condition.
 102         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
 103         handles FPU/FPX cases as well.
 104         * config/arc/arc.opt (mfpu): New option.
 105         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
 106         Renamed.
 107         (adddf3, muldf3, subdf3): Removed.
 108         * config/arc/predicates.md (proper_comparison_operator): Recognize
 109         CC_FPU* modes.
 110         * config/arc/fpu.md: New file.
 111         * doc/invoke.texi (ARC Options): Document mfpu option.
 112
 113 2016-02-16  Richard Biener  <rguenther@suse.de>
 114
 115         PR rtl-optimization/69291
 116         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
 117         noce_operand_ok check.
 118
 119 2016-02-16  Tom de Vries  <tom@codesourcery.com>
 120
 121         PR lto/67709
 122         * omp-low.c (simd_clone_create): Remove call to
 123         symtab->call_cgraph_insertion_hooks.
 124
 125 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
 126
 127         PR tree-optimization/69802
 128         * tree-ssa-reassoc.c (update_range_test): If op is
 129         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
 130         op == 1 test of precision 1 integral op, otherwise handle
 131         that case as op itself.  Fix up formatting.
 132         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
 133         up formatting.
 134
 135 2016-02-16  Richard Biener  <rguenther@suse.de>
 136
 137         PR tree-optimization/69586
 138         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
 139         types for conversion sources.
 140
 141 2016-02-16  Richard Biener  <rguenther@suse.de>
 142
 143         PR middle-end/69801
 144         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
 145         mask OEP_ADDRESS_OF.
 146
 147 2016-02-16  Alan Modra  <amodra@gmail.com>
 148
 149         PR target/68973
 150         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
 151         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
 152         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
 153         (p8_mtvsrwz): New.
 154         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
 155         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
 156         (p8_fmrgow_<mode>): Likewise.
 157         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
 158         changes.
 159         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
 160         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
 161         to use movdi_internal64.  Remove op0_di.
 162         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
 163
 164 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
 165
 166         Add support for the FCCMP insn types
 167
 168         * config/aarch64/aarch64.md (fccmp): Change insn type.
 169         (fccmpe): Likewise.
 170         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
 171         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
 172         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
 173         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
 174         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
 175         * config/arm/types.md (fccmps): Add new insn type.
 176         (fccmpd): Likewise.
 177
 178 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 179
 180         * alias.c (get_alias_set): Fix a typo in comment.
 181
 182 2016-02-15  Richard Biener  <rguenther@suse.de>
 183
 184         PR tree-optimization/69595
 185         * match.pd: Complete range test simplification to true.
 186
 187 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
 188
 189         PR rtl-optimization/69648
 190         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
 191         pic_offset_table_rtx.
 192
 193         PR rtl-optimization/69752
 194         * ira.c (update_equiv_regs): When looking for more than a single SET,
 195         also take other side effects into account.
 196
 197 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 198
 199         * config/s390/s390.c (s390_function_profiler): Add a new sequence
 200         for z900+ CPUs in 31-bit mode.
 201
 202 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 203
 204         * common/config/s390/s390-common.c (s390_supports_split_stack):
 205         New function.
 206         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
 207         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
 208         * config/s390/s390.c (struct machine_function): New field
 209         split_stack_varargs_pointer.
 210         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
 211         in s390_emit_prologue.
 212         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
 213         vararg pointer.
 214         (morestack_ref): New global.
 215         (SPLIT_STACK_AVAILABLE): New macro.
 216         (s390_expand_split_stack_prologue): New function.
 217         (s390_live_on_entry): New function.
 218         (s390_va_start): Use split-stack vararg pointer if appropriate.
 219         (s390_asm_file_end): Emit the split-stack note sections.
 220         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
 221         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
 222         (UNSPECV_SPLIT_STACK_CALL): New unspec.
 223         (UNSPECV_SPLIT_STACK_DATA): New unspec.
 224         (split_stack_prologue): New expand.
 225         (split_stack_space_check): New expand.
 226         (split_stack_data): New insn.
 227         (split_stack_call): New expand.
 228         (split_stack_call_*): New insn.
 229         (split_stack_cond_call): New expand.
 230         (split_stack_cond_call_*): New insn.
 231
 232 2016-02-15  Richard Biener  <rguenther@suse.de>
 233
 234         PR tree-optimization/69783
 235         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
 236         Add trivially correct cases.
 237
 238 2016-02-15  Tom de Vries  <tom@codesourcery.com>
 239
 240         PR lto/69655
 241         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
 242         do_force_output.
 243         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
 244
 245 2016-02-15  Richard Biener  <rguenther@suse.de>
 246
 247         PR tree-optimization/69776
 248         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
 249         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
 250         indicate whether we can use TBAA to disambiguate against stores.
 251         Use alias-set zero if not.
 252         (visit_reference_op_store): Do not use TBAA when looking up
 253         redundant stores.
 254         * tree-ssa-pre.c (compute_avail): Use TBAA here.
 255         (eliminate_dom_walker::before_dom_children): But not when looking
 256         up redundant stores.
 257
 258 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
 259
 260         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
 261
 262 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 263
 264         *  config/i386/znver1.md
 265         (znver1_pop, znver1_pop_mem,
 266         znver1_load_imov_double_store,
 267         znver1_load_imov_direct_store,
 268         znver1_load_imov_direct_load,
 269         znver1_load_imov_double_load): Add new.
 270         (znver1_insn, znver1_insn_load): Add icmov type.
 271         (znver1_sseavx_fma,
 272         znver1_sseavx_fma_load,
 273         znver1_avx256_fma,
 274         znver1_avx256_fma_load): Fix pipe usage.
 275
 276 2016-02-14  Alan Modra  <amodra@gmail.com>
 277
 278         PR target/68973
 279         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
 280         with an invalid hard reg, reload just the reg not the entire
 281         pre/post-inc/dec address expression.
 282
 283 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
 284
 285         PR target/67260
 286         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
 287         fixed R1_REG scratch reg.
 288         (sibcall_value_pcrel_fdpic): Likewise.
 289
 290 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
 291
 292         PR target/67636
 293         PR target/64345
 294         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
 295
 296 2016-02-12  Walter Lee  <walt@tilera.com>
 297
 298         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
 299         * config/tilegx/t-tilegx: Likewise.
 300
 301 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
 302
 303         PR other/69554
 304         * diagnostic-show-locus.c (struct line_span): New struct.
 305         (layout::get_first_line): Delete.
 306         (layout::get_last_line): Delete.
 307         (layout::get_num_line_spans): New member function.
 308         (layout::get_line_span): Likewise.
 309         (layout::print_heading_for_line_span_index_p): Likewise.
 310         (layout::get_expanded_location): Likewise.
 311         (layout::calculate_line_spans): Likewise.
 312         (layout::m_first_line): Delete.
 313         (layout::m_last_line): Delete.
 314         (layout::m_line_spans): New field.
 315         (layout::layout): Update comment.  Replace m_first_line and
 316         m_last_line with m_line_spans, replacing their initialization
 317         with a call to calculate_line_spans.
 318         (diagnostic_show_locus): When printing source lines and
 319         annotations, rather than looping over a single span
 320         of lines, instead loop over each line_span within
 321         the layout, with an inner loop over the lines within them.
 322         Call the context's start_span callback when changing line spans.
 323         * diagnostic.c (diagnostic_initialize): Initialize start_span.
 324         (diagnostic_build_prefix): Break out the building of the location
 325         part of the string into...
 326         (diagnostic_get_location_text): ...this new function, rewriting
 327         it from nested ternary expressions to a sequence of "if"
 328         statements.
 329         (default_diagnostic_start_span_fn): New function.
 330         * diagnostic.h (diagnostic_start_span_fn): New typedef.
 331         (diagnostic_context::start_span): New field.
 332         (default_diagnostic_start_span_fn): New prototype.
 333
 334 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
 335
 336         PR driver/69779
 337         * gcc.c (driver::finalize): Fix cleanup of "specs".
 338
 339 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
 340
 341         PR driver/69265
 342         PR driver/69453
 343         * gcc.c (driver::driver): Initialize m_option_suggestions.
 344         (driver::~driver): Clean up m_option_suggestions.
 345         (suggest_option): Convert to...
 346         (driver::suggest_option): ...this, and split out into
 347         driver::build_option_suggestions and find_closest_string.
 348         (driver::build_option_suggestions): New function, from
 349         first half of suggest_option.  Special-case
 350         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
 351         the sanitizer_opts array.  For options of enum types, add the
 352         various enum values to the candidate strings.
 353         (driver::handle_unrecognized_options): Remove "const".
 354         * gcc.h (driver::handle_unrecognized_options): Likewise.
 355         (driver::build_option_suggestions): New decl.
 356         (driver::suggest_option): New decl.
 357         (driver::m_option_suggestions): New field.
 358         * opts-common.c (add_misspelling_candidates): New function.
 359         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
 360         and make non-static.
 361         * opts.h (sanitizer_opts): New array decl.
 362         (add_misspelling_candidates): New function decl.
 363         * spellcheck.c (find_closest_string): New function.
 364         * spellcheck.h (find_closest_string): New function decl.
 365
 366 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
 367
 368         PR rtl-optimization/69764
 369         PR rtl-optimization/69771
 370         * optabs.c (expand_binop_directly): For shift_optab_p, force
 371         convert_modes with VOIDmode if xop1 has VOIDmode.
 372
 373 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
 374
 375         PR target/69729
 376         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
 377         to correctly determine instrumentation thunks.
 378
 379 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
 380
 381         PR ipa/69241
 382         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
 383         type by reference, force lhs on the call.
 384
 385         PR ipa/68672
 386         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
 387         Compute retval and retbnd early in all cases if split_part_return_p
 388         and return_bb is not EXIT.  Remove all clobber stmts and reset
 389         all debug stmts that refer to SSA_NAMEs defined in split part,
 390         except if it is retval, in that case replace the old retval with the
 391         lhs of the call to the split part.
 392
 393 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
 394
 395         revert:
 396         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
 397
 398         PR middle-end/66726
 399         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
 400         whose result is used in PHI.
 401         (maybe_optimize_range_tests): Likewise.
 402         (final_range_test_p): Likweise.
 403
 404 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
 405
 406         PR middle-end/66726
 407         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
 408         whose result is used in PHI.
 409         (maybe_optimize_range_tests): Likewise.
 410         (final_range_test_p): Likweise.
 411
 412 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
 413
 414         * cgraph.c: Spelling fixes - behaviour -> behavior and
 415         neighbour -> neighbor.
 416         * target.def: Likewise.
 417         * sel-sched.c: Likewise.
 418         * config/mips/mips.c: Likewise.
 419         * config/arc/arc.md: Likewise.
 420         * config/arm/cortex-a57.md: Likewise.
 421         * config/arm/arm.c: Likewise.
 422         * config/arm/neon.md: Likewise.
 423         * config/arm/arm-c.c: Likewise.
 424         * config/vms/vms-c.c: Likewise.
 425         * config/s390/s390.c: Likewise.
 426         * config/i386/znver1.md: Likewise.
 427         * config/i386/i386.c: Likewise.
 428         * config/ia64/hpux-unix2003.h: Likewise.
 429         * config/msp430/msp430.md: Likewise.
 430         * config/rx/rx.c: Likewise.
 431         * config/rx/rx.md: Likewise.
 432         * config/aarch64/aarch64-simd.md: Likewise.
 433         * config/aarch64/aarch64.c: Likewise.
 434         * config/nvptx/nvptx.c: Likewise.
 435         * config/bfin/bfin.c: Likewise.
 436         * config/cris/cris.opt: Likewise.
 437         * config/rs6000/rs6000.c: Likewise.
 438         * target.h: Likewise.
 439         * spellcheck.c: Likewise.
 440         * ira-build.c: Likewise.
 441         * tree-inline.c: Likewise.
 442         * builtins.c: Likewise.
 443         * lra-constraints.c: Likewise.
 444         * explow.c: Likewise.
 445         * hwint.h: Likewise.
 446         * targhooks.c: Likewise.
 447         * tree-vect-data-refs.c: Likewise.
 448         * expr.c: Likewise.
 449         * doc/tm.texi: Likewise.
 450         * doc/extend.texi: Likewise.
 451         * doc/install.texi: Likewise.
 452         * doc/md.texi: Likewise.
 453         * tree-ssa-tail-merge.c: Likewise.
 454         * sched-int.h: Likewise.
 455         * match.pd: Likewise.
 456         * sched-ebb.c: Likewise.
 457         * target.def (omit_struct_return_reg): Likewise.
 458         * gimple-ssa-isolate-paths.c: Likewise.
 459         (find_implicit_erroneous_behaviour): Renamed to...
 460         (find_implicit_erroneous_behavior): ... this.
 461         (find_explicit_erroneous_behaviour): Renamed to...
 462         (find_explicit_erroneous_behavior): ... this.
 463         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
 464
 465 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
 466
 467         PR rtl-optimization/64682
 468         PR rtl-optimization/69567
 469         PR rtl-optimization/69737
 470         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
 471         in I2 as well, just lose it.
 472
 473 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 474
 475         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
 476         New variable.
 477         (aarch64_last_printed_tune_string): Likewise.
 478         (aarch64_declare_function_name): Only output .arch assembler
 479         directive if it will be different from the previously output
 480         directive.  Same for .tune comment but only if -dA is set.
 481         (aarch64_start_file): New function.
 482         (TARGET_ASM_FILE_START): Define.
 483
 484 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
 485
 486         PR plugins/69758
 487         * Makefile.in (PLUGIN_HEADERS): Add params.list.
 488
 489 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
 490
 491         PR target/65313
 492         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
 493         -Wmaybe-uninitialized warning.
 494
 495 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
 496
 497         PR target/69713
 498         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
 499
 500 2016-02-11  Richard Biener  <rguenther@suse.de>
 501
 502         PR rtl-optimization/69291
 503         * ifcvt.c (noce_try_store_flag_constants): Do not allow
 504         subexpressions affected by changing the result.
 505
 506 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
 507
 508         PR target/69148
 509         * lra-constraints.c (curr_insn_transform): Find in/out operands
 510         for secondary memory moves.  Update dups.
 511
 512 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
 513
 514         PR tree-optimization/69652
 515         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
 516         to nested loop, did source re-formatting, skip debug statements,
 517         add check on statement with volatile operand, remove dead scalar
 518         statements.
 519
 520 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
 521             Patrick Palka  <ppalka@gcc.gnu.org>
 522
 523         PR ipa/69241
 524         PR c++/69649
 525         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
 526         calls if the return type is TREE_ADDRESSABLE.
 527         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
 528         * ipa-split.c (split_function): Fix doubled "we" in comment.
 529         Use void return type for the split part even if
 530         !split_point->split_part_set_retval.
 531
 532 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
 533
 534         PR tree-optimization/68021
 535         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
 536         when computing the value of biv cand by itself.
 537
 538 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
 539
 540         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
 541         (cortexa57_tunings): Likewise.
 542         (cortexa72_tunings): Likewise.
 543         (arch_macro_fusion_pair_p): Add support for AES fusion.
 544         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
 545         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
 546         Allow virtual registers before reload so early scheduling works.
 547         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
 548         correct latency and pipeline.
 549         (cortex_a57_crypto_complex): Likewise.
 550         (cortex_a57_crypto_xor): Likewise.
 551         (define_bypass): Add AES bypass.
 552
 553 2016-02-10  Richard Biener  <rguenther@suse.de>
 554
 555         PR tree-optimization/69726
 556         * passes.def: Add DCE pass before late uninit.
 557         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
 558         really fixup if-conversions job.
 559
 560 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
 561
 562         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
 563         (arm_cortex_a57_tune): Likewise.
 564         (aarch_macro_fusion_pair_p): Add support for AES fusion.
 565         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
 566
 567 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
 568
 569         * timevar.def (TV_PHASE_DBGINFO): Delete.
 570         (TV_PHASE_CHECK_DBGINFO): Likewise.
 571         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
 572
 573 2016-02-10  Richard Biener  <rguenther@suse.de>
 574
 575         PR tree-optimization/69719
 576         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
 577         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
 578
 579 2016-02-09  Andrew Pinski  <apinski@cavium.com>
 580
 581         PR tree-opt/69282
 582         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
 583         get_vcond_mask_icode returns false.
 584
 585 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 586
 587         PR target/68404
 588         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
 589         an ADDIS that adds a pointer to a large constant that sets the
 590         upper16 bits with a load operation.
 591
 592 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
 593
 594         PR target/68532
 595         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
 596         order.
 597         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
 598         endian.
 599         (vzipq_s16): Likewise.
 600         (vzipq_s32): Likewise.
 601         (vzipq_f32): Likewise.
 602         (vzipq_u8): Likewise.
 603         (vzipq_u16): Likewise.
 604         (vzipq_u32): Likewise.
 605         (vzipq_p8): Likewise.
 606         (vzipq_p16): Likewise.
 607
 608 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
 609
 610         PR target/68532
 611         * config/arm/arm.c (neon_endian_lane_map): New function.
 612         (neon_vector_pair_endian_lane_map): New function.
 613         (arm_evpc_neon_vuzp): Allow for big endian lane order.
 614         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
 615         endian.
 616         (vuzpq_s16): Likewise.
 617         (vuzpq_s32): Likewise.
 618         (vuzpq_f32): Likewise.
 619         (vuzpq_u8): Likewise.
 620         (vuzpq_u16): Likewise.
 621         (vuzpq_u32): Likewise.
 622         (vuzpq_p8): Likewise.
 623         (vuzpq_p16): Likewise.
 624
 625 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
 626
 627         PR target/69634
 628         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
 629         debug insns.
 630
 631 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
 632
 633         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
 634         truncate const_int operand 1 to QImode.
 635
 636 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
 637
 638         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
 639         corresponding to an abnormal edge.
 640
 641 2016-02-09  Tom de Vries  <tom@codesourcery.com>
 642
 643         PR tree-optimization/69599
 644         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
 645         function.
 646         (find_func_aliases_for_builtin_call, find_func_clobbers)
 647         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
 648         partition.
 649
 650 2016-02-09  Richard Biener  <rguenther@suse.de>
 651
 652         PR tree-optimization/69715
 653         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
 654         LHS on calls as non-rewritable.
 655
 656 2016-02-09  Tom de Vries  <tom@codesourcery.com>
 657
 658         PR lto/69707
 659         * lto-wrapper.c (append_diag_options): New function.
 660         (compile_offload_image): Call append_diag_options.
 661
 662 2016-02-08  Sandra Loosemore <sandra@codesourcery.com>
 663
 664         PR other/69722
 665         * doc/extend.texi (Flag Output Operands): Correct sectioning.
 666         Minor copy-edit to fix verb tenses.
 667
 668 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
 669
 670         PR tree-optimization/69209
 671         * ipa-split.c (split_function): If split part is not
 672         returning retval, retval has gimple type but is not
 673         gimple value, force it into a SSA_NAME first.
 674
 675 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
 676
 677         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
 678         outdated section.
 679
 680 2016-02-08  Jason Merrill  <jason@redhat.com>
 681
 682         PR c++/69631
 683         * convert.c (convert_to_integer_1): Check dofold on truncation
 684         distribution.
 685         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
 686         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
 687         Rename from *_nofold.
 688         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
 689         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
 690
 691 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
 692
 693         PR target/60410
 694         * tree.c (build_common_tree_nodes): Remove short_double argument.
 695         All callers changed.
 696         * tree.h (build_common_tree_nodes): Adjust declaration.
 697         * doc/invoke.texi (-fshort-double): Remove documentation.
 698         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 699         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
 700         * lto-wrapper.c (merge_and_complain, append_compiler_options)
 701         (append_linker_options): Don't handle OPT_fshort_double.
 702
 703         PR rtl-optimization/68730
 704         * lra-remat.c (insn_to_cand_activation): New static variable.
 705         (lra_remat): Allocate and free it.
 706         (create_cand): New arg activation. Initialize a field in
 707         insn_to_cand_activation if it is nonnull.
 708         (create_cands): Pass the activation insn to create_cand when making
 709         a candidate involving an output reload.  Reorganize code a little.
 710         (do_remat): Keep track of active status of candidates in a separate
 711         bitmap.
 712
 713 2016-02-08  Richard Biener  <rguenther@suse.de>
 714
 715         PR tree-optimization/69719
 716         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
 717         Properly use absolute of the difference of the two offsets to
 718         compare or adjust the segment length.
 719
 720 2016-02-08  Richard Biener  <rguenther@suse.de>
 721             Jeff Law  <law@redhat.com>
 722
 723         PR target/68273
 724         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
 725         types for anonymous SSA names.
 726
 727 2016-02-08   Richard Biener  <rguenther@suse.de>
 728
 729         PR rtl-optimization/69274
 730         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
 731
 732 2016-02-08  Jeff Law  <law@redhat.com>
 733
 734         PR tree-optimization/65917
 735         * tree-ssa-dom.c (record_temporary_equivalences): Record both
 736         equivalences from if (x == y) style conditionals.
 737         (loop_depth_of_name): Remove.
 738         (record_equality): Remove loop depth check.
 739         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
 740         (const_and_copies::record_const_or_copy_raw): New member function.
 741         * tree-ssa-scopedtables.c
 742         (const_and_copies::record_const_or_copy_raw): New, factored out of
 743         (const_and_copies::record_const_or_copy): Call new member function.
 744
 745 2016-02-05  Jeff Law  <law@redhat.com>
 746
 747         PR tree-optimization/68541
 748         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
 749         (count_stmts_in_block): New function.
 750         (poor_ifcvt_candidate_code): Likewise.
 751         (is_feasible_trace): Add some heuristics to determine when path
 752         splitting is profitable.
 753         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
 754         is a diamond with a single exit.
 755
 756 2016-02-05  Martin Sebor  <msebor@redhat.com>
 757
 758         PR c++/69662
 759         * doc/invoke.texi: Update -Wplacement-new to take an optional
 760         argument.
 761
 762 2016-02-06  Richard Henderson  <rth@redhat.com>
 763
 764         PR c/69643
 765         * tree.c (tree_nop_conversion_p): Do not strip casts into or
 766         out of non-standard address spaces.
 767
 768 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
 769
 770         PR rtl-optimization/69691
 771         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
 772
 773 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
 774
 775         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
 776         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
 777         (*ieee128_mfvsrd_64bit): Likewise.
 778         (*ieee128_mfvsrd_32bit): Likewise.
 779
 780 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
 781
 782         PR target/69369
 783         Revert r232560:
 784         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
 785
 786         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
 787         instrumented_version.
 788
 789 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
 790
 791         * doc/invoke.texi (Optimize Options): In table of --param options
 792         rename second occurrence of tracer-min-branch-ratio to
 793         tracer-min-branch-probability, rename
 794         tracer-min-branch-ratio-feedback to
 795         tracer-min-branch-probability-feedback and clarify description,
 796         rename sched-spec-state-edge-prob-cutoff to
 797         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
 798         to selsched-insns-to-rename, rename lto-minpartition to
 799         lto-min-partition, delete reorder-blocks-duplicate and
 800         reorder-blocks-duplicate-feedback.
 801
 802 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 803
 804         * config/s390/s390.c (s390_register_info_set_ranges): Remove
 805         superfluous loops.
 806
 807 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 808
 809         * doc/extend.texi: S/390: Correct some typos.
 810
 811 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 812
 813         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
 814
 815 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 816
 817         PR target/69625
 818         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
 819         (s390_register_info_gprtofpr): Use new macros above.
 820         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
 821         its name.
 822         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
 823         its name.  Adjust restore and save gpr ranges.
 824         (s390_register_info_set_ranges): New function.
 825         (s390_register_info): Use new macros above.  Call
 826         s390_register_info_set_ranges.
 827         (s390_optimize_register_info): Likewise.
 828         (s390_hard_regno_rename_ok): Use new macros.
 829         (s390_hard_regno_scratch_ok): Likewise.
 830         (s390_emit_epilogue): Likewise.
 831         (s390_can_use_return_insn): Likewise.
 832         (s390_optimize_prologue): Likewise.
 833         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
 834
 835 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
 836
 837         PR bootstrap/69677
 838         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
 839         alignment fixes.
 840         (ix86_option_override_internal): Disable TARGET_STV even for
 841         -m{incoming,preferred}-stack-boundary=3.
 842
 843 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 844
 845         * config.gcc: Mark deprecated rtems targets as obsolete.
 846
 847 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
 848
 849         PR rtl-optimization/64682
 850         PR rtl-optimization/69567
 851         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
 852         before I2 only if the register is both used and set in I2.
 853
 854 2016-02-04  DJ Delorie  <dj@redhat.com>
 855
 856         * config/msp430/msp430.c (msp430_start_function): Add function type.
 857
 858 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
 859
 860         PR fortran/69368
 861         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
 862
 863 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
 864
 865         PR rtl-optimization/69577
 866         Revert:
 867         2015-10-29  Richard Henderson  <rth@redhat.com>
 868
 869         PR target/68124
 870         PR rtl-opt/67609
 871         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
 872         sse check to the exact conditions of PR 67609.
 873
 874 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
 875
 876         PR target/69667
 877         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
 878         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
 879         not allowed into the traditional Altivec registers.
 880         (movtd_64bit_nodm): Likewise.
 881         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
 882
 883 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
 884
 885         * config/aarch64/cortex-a57-fma-steering.c
 886         (aarch64_register_fma_steering): Remove "static" from arguments
 887         to register_pass.
 888
 889 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
 890
 891         PR target/69619
 892         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
 893         twice when complex.
 894
 895 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
 896
 897         * doc/invoke.texi: Delete -mno-fma4.
 898
 899 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
 900
 901         PR rtl-optimization/69577
 902         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
 903         (find_subregs_of_mode): Update accordingly.  Iterate over partial
 904         definitions.
 905
 906 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
 907
 908         * config/arm/arm-protos.h (neon_reinterpret): Remove.
 909         * config/arm/arm.c (neon_reinterpret): Remove.
 910         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
 911         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
 912         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
 913         vreinterpretti): Remove.
 914         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
 915         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
 916         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
 917         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
 918         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
 919         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
 920         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
 921         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
 922         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
 923         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
 924         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
 925         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
 926         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
 927         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
 928         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
 929         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
 930         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
 931         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
 932         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
 933         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
 934         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
 935         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
 936         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
 937         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
 938         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
 939         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
 940         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
 941         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
 942         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
 943         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
 944         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
 945         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
 946         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
 947         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
 948         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
 949         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
 950         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
 951         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
 952         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
 953         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
 954         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
 955         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
 956         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
 957         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
 958         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
 959         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
 960         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
 961         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
 962         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
 963         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
 964         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
 965         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
 966         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
 967         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
 968         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
 969         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
 970         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
 971         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
 972         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
 973         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
 974         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
 975         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
 976         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
 977         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
 978         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
 979         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
 980         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
 981         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
 982         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
 983         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
 984         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
 985         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
 986         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
 987         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
 988         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
 989         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
 990         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
 991         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
 992         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
 993         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
 994         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
 995         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
 996         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
 997         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
 998         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
 999         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1000         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1001         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1002         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1003         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1004         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1005         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1006         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1007         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1008         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1009         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1010         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1011         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1012         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1013         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1014         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1015         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1016         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1017
1018 2016-02-04  Martin Liska  <mliska@suse.cz>
1019
1020         PR sanitizer/69276
1021         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1022         that are gimple_store_p.
1023         (maybe_instrument_call): Likewise.
1024
1025 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
1026
1027         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1028         register scaling out of memory reference and comment why.
1029
1030 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1031
1032         PR target/65932
1033         PR target/67714
1034         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1035         folding the source of a SET.
1036
1037 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1038
1039         PR target/65932
1040         PR target/67714
1041         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1042         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1043
1044 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
1045
1046         PR target/65932
1047         PR target/67714
1048         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1049         HImode.
1050
1051 2016-02-04  Christian Bruel  <christian.bruel@st.com>
1052
1053         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1054         * config/arm/arm.c (arm_set_current_function): Likewise.
1055
1056 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
1057             Ilya Enkovich  <enkovich.gnu@gmail.com>
1058             H.J. Lu  <hongjiu.lu@intel.com>
1059
1060         PR target/69454
1061         * config/i386/i386.c (convert_scalars_to_vector): Remove
1062         stack alignment fixes.
1063         (ix86_option_override_internal): Disable TARGET_STV if stack
1064         might not be aligned enough.
1065         (ix86_minimum_alignment): Assert that TARGET_STV is false.
1066
1067 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
1068
1069         * gcc/config/i386/x86-tune.def: Disable default prefetching
1070         for -march=znver1.
1071
1072 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1073             Vladimir Makarov  <vmakarov@redhat.com>
1074
1075         PR target/69461
1076         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1077         in validating fused toc addresses.
1078
1079 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR c/69627
1082         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1083         range->m_caret fields if range->m_show_caret_p is false.
1084
1085         PR target/69644
1086         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1087         Force oldval into register if it does not satisfy reg_or_short_operand
1088         predicate.  Fix up formatting.
1089
1090 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
1091             Alexandre Oliva  <aoliva@redhat.com>
1092
1093         PR target/69461
1094         * lra-constraints.c (simplify_operand_subreg): Check additionally
1095         address validity after potential reloading.
1096         (process_address_1): Check insns validity.  In case of failure do
1097         nothing.
1098
1099 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
1100
1101         PR target/69118
1102         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1103         Fix target.
1104
1105 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
1106
1107         * wide-int.cc (canonize_uhwi): New function.
1108         (wi::divmod_internal): Use it.
1109
1110 2016-02-02  James Norris  <jnorris@codesourcery.com
1111
1112         * gimplify.c (omp_notice_variable): Add usage check.
1113
1114 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
1115
1116         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1117         like LE, GE, LT, GT when emitting relational operator.
1118
1119 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1120
1121         * ira-costs.c (find_costs_and_classes): Add extra argument.
1122         * target.def (ira_change_pseudo_allocno_class): Add parameter.
1123         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1124         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1125         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1126         Add best_class parameter, and return it if not ALL_REGS.
1127         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1128         Add parameter.
1129         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1130         Update target hook.
1131
1132 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1133
1134         * config/aarch64/aarch64.c
1135         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1136         (aarch64_ira_change_pseudo_allocno_class): New function.
1137
1138 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
1139
1140         PR target/67032
1141         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1142
1143 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1144
1145         * config/avr/avr.c (avr_option_override): Set
1146         PARAM_ALLOW_STORE_DATA_RACES to 1.
1147
1148 2016-02-02  Richard Biener  <rguenther@suse.de>
1149
1150         PR tree-optimization/69595
1151         * match.pd: Add range test simplifications to true/false.
1152
1153 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
1154
1155         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1156         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1157         instead.
1158
1159 2016-02-02  Richard Biener  <rguenther@suse.de>
1160
1161         PR tree-optimization/69606
1162         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1163         info on the result before moving a stmt.
1164
1165 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
1166
1167         PR middle-end/68542
1168         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1169         branch with vector comparison.
1170         * config/i386/sse.md (VI48_AVX): New mode iterator.
1171         (define_expand "cbranch<mode>4): Add support for conditional branch
1172         with vector comparison.
1173         * tree-vect-loop.c (optimize_mask_stores): New function.
1174         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1175         has_mask_store field of vect_info.
1176         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1177         vectorized loops having masked stores after vec_info destroy.
1178         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1179         correspondent macros.
1180         (optimize_mask_stores): Add prototype.
1181
1182 2016-02-02  Alan Modra  <amodra@gmail.com>
1183
1184         PR target/69548
1185         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1186         allow subregs.
1187
1188 2016-02-02  Alan Modra  <amodra@gmail.com>
1189
1190         PR target/68662
1191         * config/rs6000/rs6000.c (need_toc_init): New var, set it
1192         whenever toc_label_name used.
1193         (rs6000_file_start): Don't set up toc section here,
1194         (rs6000_output_function_epilogue): do so here instead,
1195         (rs6000_xcoff_file_start): and here.
1196         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1197         (load_toc_aix_di): Likewise.
1198
1199 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1200
1201         PR rtl-optimization/69592
1202         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1203         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1204         (num_sign_bit_copies_binary_arith_p): New inline function.
1205         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1206
1207 2016-02-01  Jeff Law  <law@redhat.com>
1208
1209         PR tree-optimization/69580
1210         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1211         * tree-ssa-threadbackward.c
1212         (fsm_find_control_statement_thread_paths): Do not try to walk
1213         through large PHI nodes.
1214
1215 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1216
1217         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1218         when count is incremented above limit, don't analyze further
1219         insns afterwards.
1220
1221         * omp-low.c (oacc_parse_default_dims): Avoid
1222         -Wsign-compare warning, make sure value fits into int
1223         rather than just unsigned int.
1224
1225 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
1226
1227         PR tree-optimization/67921
1228         * fold-const.c (split_tree): New parameters.  Convert pointer
1229         type variable part to proper type before negating.
1230         (fold_binary_loc): Pass new arguments to split_tree.
1231
1232 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
1233
1234         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1235         (nvptx_goacc_validate_dims): Extend to handle global defaults.
1236         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1237         * doc/tm.texti: Rebuilt.
1238         * doc/invoke.texi (fopenacc-dim): Document.
1239         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1240         (append_compiler_options): Likewise.
1241         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1242         (oacc_parse_default_dims): New.
1243         (oacc_validate_dims): Add USED arg.  Select non-unity default when
1244         possible.
1245         (oacc_loop_fixed_partitions): Return mask of used partitions.
1246         (oacc_loop_auto_partitions): Emit dump info.
1247         (oacc_loop_partition): Return mask of used partitions.
1248         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
1249         loop partitioning and validation calls.
1250
1251 2016-02-01  Richard Biener  <rguenther@suse.de>
1252
1253         PR middle-end/69556
1254         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1255
1256 2016-02-01  Richard Biener  <rguenther@suse.de>
1257
1258         PR tree-optimization/69574
1259         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1260         of asserting return chrec_dont_know.
1261
1262 2016-02-01  Martin Liska  <mliska@suse.cz>
1263
1264         * mem-stats-traits.h: Add copyright header.
1265         * mem-stats.h: Likewise.
1266
1267 2016-02-01  Richard Biener  <rguenther@suse.de>
1268
1269         PR tree-optimization/69579
1270         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1271         Do not propagate through abnormal PHI results.
1272
1273 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
1274
1275         * postreload.c (reload_cse_simplify): Remove dead code.
1276
1277 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1278
1279         PR rtl-optimization/69570
1280         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1281         if there is more than one set, not if there is a single set.
1282
1283 2016-02-01  Richard Henderson  <rth@redhat.com>
1284
1285         PR rtl-opt/69535
1286         * combine.c (make_compound_operation): When looking through a
1287         subreg, make sure to re-extend to the width of the outer mode.
1288
1289 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR tree-optimization/69546
1292         * wide-int.cc (wi::divmod_internal): For unsigned division
1293         where both operands fit into uhwi, if o1 is 1 and o0 has
1294         msb set, if divident_prec is larger than bits per hwi,
1295         clear another quotient word and return 2 instead of 1.
1296         Similarly for remainder with msb in HWI set, if dividend_prec
1297         is larger than bits per hwi.
1298
1299 2016-01-29  Martin Jambor  <mjambor@suse.cz>
1300
1301         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1302         Use short lowercase names.
1303         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
1304         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1305         acq_rel one.  Protect warning agains segfaults if
1306         get_memory_order_name returns NULL.
1307         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1308         with release semantics.  Do not warn if get_memory_order already did.
1309         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1310         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
1311         if get_memory_order already did.
1312
1313 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
1314
1315         * doc/install.texi: Document that isl-0.16 is supported.
1316
1317 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1318
1319         PR target/69299
1320         * config/i386/constraints.md (Bm): Describe as special memory
1321         constraint.
1322         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1323         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1324         * genpreds.c (struct constraint_data): Add is_special_memory.
1325         (have_special_memory_constraints, special_memory_start): New
1326         static vars.
1327         (special_memory_end): Ditto.
1328         (add_constraint): Add new arg is_special_memory.  Add code to
1329         process its true value.  Update have_special_memory_constraints.
1330         (process_define_constraint): Pass the new arg.
1331         (process_define_register_constraint): Ditto.
1332         (choose_enum_order): Process special memory.
1333         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1334         function insn_extra_special_memory_constraint.
1335         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1336         * gensupport.c (process_rtx): Process
1337         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1338         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1339         * ira-lives.c (single_reg_class): Use
1340         insn_extra_special_memory_constraint.
1341         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1342         * lra-constraints.c (process_alt_operands): Ditto.
1343         (curr_insn_transform): Use insn_extra_special_memory_constraint.
1344         * recog.c (asm_operand_ok, preprocess_constraints): Process
1345         CT_SPECIAL_MEMORY.
1346         * reload.c (find_reloads): Ditto.
1347         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1348         * stmt.c (parse_input_constraint): Use
1349         insn_extra_special_memory_constraint.
1350
1351 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         PR target/69530
1354         * lra-splill.c (lra_final_code_change): Revert r229087 by
1355         removing all sub-registers.
1356
1357 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
1358
1359         PR target/65604
1360         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1361
1362 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR target/69551
1365         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1366         SSE1, copy target into the temporary reg first before recursing
1367         on it.
1368
1369 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1370
1371         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1372         with vm.
1373
1374 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1375
1376         * ginclude/stdarg.h: Test __cplusplus instead of
1377         __GXX_EXPERIMENTAL_CXX0X__.
1378
1379 2016-01-29  Richard Biener  <rguenther@suse.de>
1380
1381         PR tree-optimization/69547
1382         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1383         Do not mark clobbers necessary.
1384         (mark_all_reaching_defs_necessary_1): Likewise.
1385
1386 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1387
1388         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1389         declaration name with %qs and print it in both error messages.
1390         Also fix indentation.
1391
1392 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1393
1394         PR other/69006
1395         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1396         trailing blank line from error message.
1397
1398 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1399
1400         PR c++/69462
1401         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1402         for C++-11.
1403
1404 2016-01-29  Richard Biener  <rguenther@suse.de>
1405
1406         PR middle-end/69537
1407         * match.pd: Allow all integral types when simplifying a
1408         widening or sign-changing conversion.
1409
1410 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1411
1412         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1413         back to setting codegen_error to fail codegen.
1414
1415 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
1416
1417         PR target/69459
1418         * config/i386/constraints.md (C): Only accept constant zero operand.
1419         (BC): New constraint.
1420         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1421         instead of C constraint.
1422         * doc/md.texi (Machine Constraints): Update description
1423         of C constraint.
1424
1425 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
1426
1427         PR target/68400
1428         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1429
1430 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
1431
1432         PR middle-end/69542
1433         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1434         non-debug insns.
1435
1436 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1437
1438         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1439         branches if using guessed profile.
1440
1441 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
1442
1443         * graphite-optimize-isl.c (optimize_isl): Fix dump.
1444
1445 2016-01-28  Richard Henderson  <rth@redhat.com>
1446
1447         PR target/69305
1448         * config/aarch64/aarch64-modes.def (CC_Cmode): New
1449         * config/aarch64/aarch64-protos.h: Update.
1450         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1451         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1452         (aarch64_get_condition_code_1): Handle CC_Cmode.
1453         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1454         (*add<mode>3_compareC_cconly_imm): New.
1455         (*add<mode>3_compareC_cconly): New.
1456         (*add<mode>3_compareC_imm): New.
1457         (add<mode>3_compareC): New.
1458         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1459         to be first.  Use aarch64_carry_operation.
1460         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1461         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1462         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1463         (subti3): Use subdi3_compare1.
1464         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1465         (sub<mode>3_compare1): New.
1466         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1467         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1468         (*subsi3_carryin_uxtw): Likewise.
1469         (*ngc<mode>, *ngcsi_uxtw): Likewise.
1470         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1471         * config/aarch64/iterators.md (DWI): New.
1472         * config/aarch64/predicates.md (aarch64_carry_operation): New.
1473         (aarch64_borrow_operation): New.
1474
1475 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1476
1477         * graphite-optimize-isl.c (optimize_isl): Print a different debug
1478         message when isl does not return a valid schedule.
1479
1480 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1481
1482         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1483         Remove comments from class declarations: they are already in the code
1484         close by the defs.
1485
1486 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1487
1488         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1489         codegen_error_p.
1490         (ternary_op_to_tree): Same.
1491         (unary_op_to_tree): Same.
1492         (nary_op_to_tree): Same.
1493         (gcc_expression_from_isl_expr_op): Same.
1494         (gcc_expression_from_isl_expression): Same.
1495         (graphite_create_new_loop): Same.
1496         (graphite_create_new_loop_guard): Same.
1497         (build_iv_mapping): Same.
1498         (graphite_create_new_guard): Same.
1499         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1500         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1501
1502 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1503
1504         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1505         instead of setting codegen_error to fail codegen.
1506
1507 2016-01-28  Jason Merrill  <jason@redhat.com>
1508
1509         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1510
1511 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1512
1513         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1514         Remove CONST_INT_P check in CCMP cost calculation.
1515
1516 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1517
1518         * config/aarch64/aarch64.c (generic_vector_cost):
1519         Set vec_permute_cost.
1520         (cortexa57_vector_cost): Likewise.
1521         (exynosm1_vector_cost): Likewise.
1522         (xgene1_vector_cost): Likewise.
1523         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1524         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1525         Add vec_permute_cost entry.
1526
1527 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1528
1529         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1530         immediate as %1.
1531         (add<mode>3_compare0): Likewise.
1532         (addsi3_compare0_uxtw): Likewise.
1533         (add<mode>3nr_compare0): Likewise.
1534         (compare_neg<mode>): Likewise.
1535         (<optab><mode>3): Likewise.
1536
1537 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
1538
1539         * tree-vect-stmts.c (vectorizable_comparison): Add
1540         NULL check for vectype.
1541
1542 2016-01-28  Richard Biener  <rguenther@suse.de>
1543
1544         PR tree-optimization/69466
1545         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1546         Account for PHIs we couldn't duplicate.
1547
1548 2016-01-28  Martin Liska  <mliska@suse.cz>
1549
1550         PR pch/68758
1551         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1552         instead of ENABLE_VALGRIND_CHECKING.
1553
1554 2016-01-27  Richard Henderson  <rth@redhat.com>
1555
1556         PR rtl-opt/69447
1557         * lra-remat.c (subreg_regs): New.
1558         (dump_candidates_and_remat_bb_data): Dump it.
1559         (operand_to_remat): Reject if operand in subreg_regs.
1560         (set_bb_regs): Collect subreg_regs.
1561         (lra_remat): Init and free subreg_regs.  Compute
1562         calculate_local_reg_remat_bb_data before create_cands.
1563
1564 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1565
1566         PR target/68986
1567         * config/i386/i386.c (ix86_update_stack_boundary): Don't
1568         change stack_alignment_needed for __tls_get_addr call.
1569
1570 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
1571
1572         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
1573
1574 2016-01-27  Jeff Law  <law@redhat.com>
1575
1576         PR tree-optimization/68398
1577         PR tree-optimization/69196
1578         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
1579         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
1580         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1581         Only count PHIs in the last block in the path.  The others will
1582         const/copy propagate away.  Add heuristic to allow more irreducible
1583         subloops to be created when it is likely profitable to do so.
1584
1585         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1586         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
1587         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
1588
1589 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR lto/69254
1592         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
1593         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
1594         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
1595         * tree-streamer-in.c: Include asan.h.
1596         (streamer_get_builtin_tree): For builtins in sanitizer
1597         range call initialize_sanitizer_builtins and retry.
1598
1599 2016-01-27  Ian Lance Taylor  <iant@google.com>
1600
1601         * common.opt (fkeep-gc-roots-live): New undocumented option.
1602         * tree-ssa-loop-ivopts.c (add_candidate_1): If
1603         -fkeep-gc-roots-live, skip pointers.
1604         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
1605         NULL.
1606
1607 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
1608
1609         PR target/69512
1610         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
1611         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
1612
1613 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
1614
1615         PR target/68380
1616         * configure.ac: NetBSD provides SSP in its C library.
1617         * configure: Updated.
1618
1619 2016-01-27  Richard Biener  <rguenther@suse.de>
1620
1621         PR tree-optimization/69166
1622         * tree-vect-loop.c (vect_is_simple_reduction): Always check
1623         reduction code for commutativity / associativity.
1624
1625 2016-01-27  Martin Jambor  <mjambor@suse.cz>
1626
1627         PR tree-optimization/69355
1628         * tree-sra.c (analyze_access_subtree): Correct hole detection when
1629         total_scalarization fails.
1630
1631 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
1632
1633         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
1634         power9.
1635
1636 2016-01-27  Christian Bruel  <christian.bruel@st.com>
1637
1638         PR target/69245
1639         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
1640         Move arm_reset_previous_fndecl and set_target_option_current_node in
1641         the conditional part.  Call save_restore_target_globals.
1642         * config/arm/arm.c (arm_set_current_function):
1643         Refactor to better support #pragma target and attribute mix.
1644         Call save_restore_target_globals.
1645         * config/arm/arm-protos.h (save_restore_target_globals): New function.
1646
1647 2016-01-27  Martin Liska  <mliska@suse.cz>
1648
1649         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
1650         reference for an HSA kernel and its host function.
1651
1652 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR tree-optimization/69399
1655         * wide-int.h (wi::lrshift): For larger precisions, only
1656         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
1657
1658 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
1659
1660         * config/arc/predicates.md (proper_comparison_operator): Reject
1661         constant-constant comparison.
1662
1663 2016-01-26  Tom de Vries  <tom@codesourcery.com>
1664
1665         PR tree-optimization/69110
1666         * tree-data-ref.c (initialize_data_dependence_relation): Handle
1667         DR_NUM_DIMENSIONS == 0.
1668
1669 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1670             Sebastian Pop  <s.pop@samsung.com>
1671
1672         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
1673         isl_ast_op_cond and isl_ast_op_select.
1674         (gcc_expression_from_isl_expr_op): Same.
1675
1676 2016-01-26  Jason Merrill  <jason@redhat.com>
1677
1678         PR c++/68782
1679         * tree.c (recompute_constructor_flags): Split out from
1680         build_constructor.
1681         (verify_constructor_flags): New.
1682         * tree.h: Declare them.
1683
1684 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
1685
1686         PR rtl-optimization/69217
1687         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
1688         are no TYPE_FIELDS set for the record type.
1689
1690 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR target/68662
1693         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
1694         toc_label_name unconditionally.
1695         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
1696         SYMBOL_REF string.  Use toc_label_name instead of constructing
1697         LCTOC1.
1698         (rs6000_elf_declare_function_name): Use toc_label_name instead of
1699         constructing LCTOC1.
1700
1701 2016-01-26  Martin Sebor  <msebor@redhat.com>
1702
1703         PR other/69477
1704         * doc/extend.texi (Common Type Attributes): Move text that talks about
1705         attribute packed from attribute aligned to the section discussing
1706         the former attribute for clarity.
1707
1708 2016-01-26  Richard Henderson  <rth@redhat.com>
1709
1710         PR middle-end/60908
1711         * trans-mem.c (tm_region_init): Mark entry block as visited.
1712
1713 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
1714
1715         PR other/69006
1716         * diagnostic-show-locus.c (layout::print_source_line): Replace
1717         call to pp_newline with call to layout::print_newline.
1718         (layout::print_annotation_line): Likewise.
1719         (layout::move_to_column): Likewise.
1720         (layout::print_any_fixits): After printing any fixits, print a
1721         trailing newline, if necessary.
1722         (layout::print_newline): New method, resetting any colorization
1723         before a newline.
1724         (diagnostic_show_locus): Move the pp_newline to before the
1725         early bailout.  Remove dummy block enclosing the layout instance.
1726         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
1727         of pp_newline_and_flush with pp_flush.
1728         (diagnostic_append_note): Delete use of pp_newline.
1729         (diagnostic_append_note_at_rich_loc): Delete.
1730         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
1731         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
1732         when newline characters are added to the buffer.
1733
1734 2016-01-26  Michael Matz  <matz@suse.de>
1735
1736         * configure.ac (ac_cv_std_swap_in_utility): New test.
1737         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
1738         * configure: Regenerate.
1739         * config.in: Regenerate.
1740
1741 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
1742
1743         * config/arc/arc.md (cstoresi4): Force operand into register.
1744         (arcset<code>): Fix predicate.
1745         (arcsetltu): Likewise.
1746         (arcsetgeu): Likewise.
1747         (arcsethi): Likewise.
1748         (arcsetls): Likewise.
1749
1750 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR tree-optimization/69483
1753         * gimple-fold.c (canonicalize_constructor_val): Return NULL
1754         if base has error_mark_node type.
1755
1756 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
1757
1758         PR target/68620
1759         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
1760         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
1761         New helper macros.
1762         (vget_lane_f16): Handle big-endian.
1763         (vgetq_lane_f16): Likewise.
1764         (vset_lane_f16): Likewise.
1765         (vsetq_lane_f16): Likewise.
1766         * config/arm/iterators.md (VQXMOV): Add V8HF.
1767         (VDQ): Add V4HF and V8HF.
1768         (V_reg): Handle V4HF and V8HF.
1769         (Is_float_mode): Likewise.
1770         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
1771         neon_vdup_nv8hf): New patterns.
1772         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
1773         Use VD_LANE iterator.
1774         (neon_vld1_dup<mode>): Use VQ2 iterator.
1775
1776 2016-01-26  Nathan Sidwell  <nathan@acm.org>
1777
1778         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
1779         (set_oacc_fn_attrib): Add IS_KERNEL arg.
1780         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
1781         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
1782         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
1783         (oacc_validate_dims): Add LEVEL arg, don't return level.
1784         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
1785         oacc_validate_dims.
1786         (execute_oacc_device_lower): Adjust, add more dump output.
1787         * tree-ssa-loop.c (gate_oacc_kernels): Use
1788         oacc_fn_attrib_kernels_p.
1789         * tree-parloops.c (create_parallel_loop): Adjust
1790         set_oacc_fn_attrib call.
1791
1792 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR lto/69254
1795         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
1796         (append_compiler_options): Handle -fcilkplus.
1797         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
1798
1799 2016-01-26  Nick Clifton  <nickc@redhat.com>
1800
1801         PR target/66655
1802         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
1803         been marked as DECL_ONE_ONLY but we do not the means to make it
1804         so, then do not allow it to bind locally.
1805
1806 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR lto/69254
1809         * opts.h (parse_sanitizer_options): New prototype.
1810         * opts.c (sanitizer_opts): New array.
1811         (parse_sanitizer_options): New function.
1812         (common_handle_option): Use parse_sanitizer_options.
1813
1814 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
1815
1816         PR target/68986
1817         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
1818         alignment adjustment to ...
1819         (ix86_update_stack_boundary): Here.  Don't over-align stack for
1820         __tls_get_addr.
1821         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
1822         if __tls_get_addr is called.
1823
1824 2016-01-26  Christian Bruel  <christian.bruel@st.com>
1825
1826         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
1827
1828 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1829
1830         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
1831
1832 2016-01-26  Richard Biener  <rguenther@suse.de>
1833
1834         PR middle-end/69467
1835         * match.pd: Guard X * CST CMP 0 pattern with single_use.
1836
1837 2016-01-26  Richard Biener  <rguenther@suse.de>
1838
1839         PR tree-optimization/69452
1840         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
1841         (move_computations_dom_walker::before_dom_children): Rename
1842         to ...
1843         (move_computations_worker): This.
1844         (move_computations): Perform an RPO rather than a DOM walk.
1845
1846 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1847
1848         PR target/69442
1849         * combine.c (combine_instructions): For REG_EQUAL note with
1850         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
1851         to the underlying register.
1852         * doc/rtl.texi (REG_EQUAL): Document the behavior of
1853         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
1854
1855 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
1856
1857         PR target/67896
1858         * config/aarch64/aarch64-builtins.c
1859         (aarch64_init_simd_builtin_types): Do not set structural
1860         equality to __Poly{8,16,64,128}_t types.
1861
1862 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
1863
1864         PR tree-optimization/69400
1865         * wide-int.cc (wi_pack): Take the precision as argument and
1866         perform canonicalization here rather than in the callers.
1867         Use the main loop to handle all full-width HWIs.  Add a
1868         zero HWI if in_len isn't a full result.
1869         (wi::divmod_internal): Update accordingly.
1870         (wi::mul_internal): Likewise.  Simplify.
1871
1872 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
1873             Sebastian Pop  <s.pop@samsung.com>
1874
1875         * graphite-poly.c (apply_poly_transforms): Simplify.
1876         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
1877         (print_isl_map): Same.
1878         (print_isl_union_map): Same.
1879         (print_isl_schedule): New.
1880         (debug_isl_schedule): New.
1881         * graphite-dependences.c (scop_get_reads): Do not call
1882         isl_union_map_add_map that is undocumented isl functionality.
1883         (scop_get_must_writes): Same.
1884         (scop_get_may_writes): Same.
1885         (scop_get_original_schedule): Remove.
1886         (scop_get_dependences): Do not call isl_union_map_compute_flow that
1887         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
1888         (compute_deps): Remove.
1889         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
1890         (debug_schedule_ast): New.
1891         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
1892         set_separate_option.
1893         (graphite_regenerate_ast_isl): Add dump.
1894         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
1895         from scop->transformed_schedule.
1896         (graphite_regenerate_ast_isl): Add more dump.
1897         * graphite-optimize-isl.c (optimize_isl): Set
1898         scop->transformed_schedule.  Check whether schedules are equal.
1899         (apply_poly_transforms): Move here.
1900         * graphite-poly.c (apply_poly_transforms): ... from here.
1901         (free_poly_bb): Static.
1902         (free_scop): Static.
1903         (pbb_number_of_iterations_at_time): Remove.
1904         (print_isl_ast): New.
1905         (debug_isl_ast): New.
1906         (debug_scop_pbb): New.
1907         * graphite-scop-detection.c (print_edge): Move.
1908         (print_sese): Move.
1909         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
1910         (build_scop_scattering): Remove.
1911         (create_pw_aff_from_tree): Assert instead of bailing out.
1912         (add_condition_to_pbb): Remove unused code, do not fail.
1913         (add_conditions_to_domain): Same.
1914         (add_conditions_to_constraints): Remove.
1915         (build_scop_context): New.
1916         (add_iter_domain_dimension): New.
1917         (build_iteration_domains): Initialize pbb->iterators.
1918         Call add_conditions_to_domain.
1919         (nested_in): New.
1920         (loop_at): New.
1921         (index_outermost_in_loop): New.
1922         (index_pbb_in_loop): New.
1923         (outermost_pbb_in): New.
1924         (add_in_sequence): New.
1925         (add_outer_projection): New.
1926         (outer_projection_mupa): New.
1927         (add_loop_schedule): New.
1928         (build_schedule_pbb): New.
1929         (build_schedule_loop): New.
1930         (embed_in_surrounding_loops): New.
1931         (build_schedule_loop_nest): New.
1932         (build_original_schedule): New.
1933         (build_poly_scop): Call build_original_schedule.
1934         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
1935         (free_poly_dr): Remove.
1936         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
1937         (free_poly_bb): Remove.
1938         (debug_loop_vec): Remove.
1939         (print_isl_ast): Declare.
1940         (debug_isl_ast): Declare.
1941         (scop_do_interchange): Remove.
1942         (scop_do_strip_mine): Remove.
1943         (scop_do_block): Remove.
1944         (flatten_all_loops): Remove.
1945         (optimize_isl): Remove.
1946         (pbb_number_of_iterations_at_time): Remove.
1947         (debug_scop_pbb): Declare.
1948         (print_schedule_ast): Declare.
1949         (debug_schedule_ast): Declare.
1950         (struct scop): Remove schedule.  Add original_schedule,
1951         transformed_schedule.
1952         (free_gimple_poly_bb): Remove.
1953         (print_generated_program): Remove.
1954         (debug_generated_program): Remove.
1955         (unify_scattering_dimensions): Remove.
1956         * sese.c (print_edge): ... here.
1957         (print_sese): ... here.
1958         (debug_edge): ... here.
1959         (debug_sese): ... here.
1960         * sese.h (print_edge): Declare.
1961         (print_sese): Declare.
1962         (dump_edge): Declare.
1963         (dump_sese): Declare.
1964
1965 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
1966             Sebastian Pop  <s.pop@samsung.com>
1967
1968         * Makefile.in: Set ISLVER in site.exp.
1969
1970 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
1971
1972         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
1973         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
1974         through DECL_VALUE_EXPR for expansion.
1975
1976 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1977
1978         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
1979         the frame info after reload completed.
1980
1981 2016-01-25  Jeff Law  <law@redhat.com>
1982
1983         PR tree-optimization/69196
1984         PR tree-optimization/68398
1985         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
1986         tree-ssa-threadupdate.c.
1987         (determine_bb_domination_status): Prototype
1988         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
1989         (determine_bb_domination_status): No longer static.
1990         (valid_jump_thread_path): Remove code to detect characteristics
1991         of the jump thread path not associated with correctness.
1992         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
1993         Correct test for thread path length.  Count PHIs for real operands as
1994         statements that need to be copied.  Do not count ASSERT_EXPRs.
1995         Look at all the blocks in the thread path.  Compute and selectively
1996         filter thread paths based on threading through the latch, threading
1997         a multiway branch or crossing a multiway branch.
1998
1999 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2000
2001         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
2002         decl with __attribute__ ((unused)) annotation.
2003
2004 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
2005
2006         PR target/69421
2007         * tree-vect-stmts.c (vectorizable_condition): Check vectype
2008         of operands is compatible with a statement vectype.
2009
2010 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2011
2012         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2013         improve wording for mixed storage order support.
2014
2015 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
2016
2017         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2018         (vcvt_u64_f64): Likewise.
2019         (vcvta_s64_f64): Likewise.
2020         (vcvta_u64_f64): Likewise.
2021         (vcvtm_s64_f64): Likewise.
2022         (vcvtm_u64_f64): Likewise.
2023         (vcvtn_s64_f64): Likewise.
2024         (vcvtn_u64_f64): Likewise.
2025         (vcvtp_s64_f64): Likewise.
2026         (vcvtp_u64_f64): Likewise.
2027
2028 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
2029
2030         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2031         (arc_init): Check validity mll64 option.
2032         (arc_save_restore): Use double load/store instruction.
2033         (arc_expand_movmem): Likewise.
2034         (arc_split_move): Don't split if we have double load/store
2035         instructions. Returns a boolean.
2036         (arc_process_double_reg_moves): Change function to return boolean
2037         instead of a sequence of instructions.
2038         (arc_dwarf_register_span): New function.
2039         * config/arc/arc-protos.h (arc_split_move): Change prototype.
2040         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2041         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2042         (*movdf_insn): Likewise.
2043         * config/arc/arc.opt (mll64): New option.
2044         * config/arc/predicates.md (even_register_operand): New predicate.
2045         * doc/invoke.texi (ARC Options): Add mll64 documentation.
2046
2047 2016-01-25  Richard Biener  <rguenther@suse.de>
2048
2049         PR lto/69393
2050         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2051         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2052         DECL_NAMELESS.
2053         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2054
2055 2016-01-25  Richard Biener  <rguenther@suse.de>
2056
2057         PR tree-optimization/69376
2058         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2059         flag.
2060         (VN_INFO_ANTI_RANGE_P): New inline.
2061         (VN_INFO_RANGE_TYPE): Likewise.
2062         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2063         SSA_NAME_ANTI_RANGE_P.
2064         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2065         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2066         Properly query VN_INFO_RANGE_TYPE.
2067
2068 2016-01-25  Nick Clifton  <nickc@redhat.com>
2069
2070         PR target/66655
2071         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2072
2073 2016-01-23  Tom de Vries  <tom@codesourcery.com>
2074
2075         PR tree-optimization/69426
2076         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2077         removed clobber.
2078
2079 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
2080
2081         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2082         "the the" with "the" in the comments.
2083         * ipa-devirt.c (build_type_inheritance_graph,
2084         update_type_inheritance_graph): Likewise.
2085         * tree.c (build_function_type_list_1): Likewise.
2086         * cfgloopmanip.c (scale_loop_profile): Likewise.
2087         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2088         * gimple-ssa-split-paths.c
2089         (find_block_to_duplicate_for_splitting_paths): Likewise.
2090         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2091         * expr.c (convert_move): Likewise.
2092         * var-tracking.c (vt_stack_adjustments): Likewise.
2093         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2094         * tree-vrp.c (test_for_singularity): Likewise.
2095
2096         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2097         directly instead of building a temporary tree.
2098
2099         PR bootstrap/69434
2100         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2101         remove <algorithm> include.
2102
2103 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2104
2105         PR target/69432
2106         * config/i386/i386.c: Include dojump.h.
2107         (expand_small_movmem_or_setmem,
2108         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2109         fixes.
2110         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2111         if dynamic_check != -1.
2112
2113 2016-01-21  Jeff Law  <law@redhat.com>
2114
2115         PR middle-end/69347
2116         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2117         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
2118         into dominated_by_p.
2119         (cprop_into_successor_phis): Avoid unnecessary tests.
2120
2121 2016-01-22  Richard Henderson  <rth@redhat.com>
2122
2123         PR target/69416
2124         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2125         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2126
2127 2016-01-22  Michael Matz  <matz@suse.de>
2128
2129         * system.h (string, algorithm): Include only conditionally.
2130         (new): Include always under C++.
2131         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2132         * final.c (toplevel): Ditto.
2133         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2134         * genconditions.c (write_header): Make gencondmd.c define
2135         INCLUDE_STRING.
2136         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2137
2138         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2139         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2140
2141 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2142
2143         PR target/68674
2144         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2145
2146 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2147
2148         PR target/69403
2149         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2150         define_insn_and_split.  Ensure operands[1] and operands[0] do not
2151         get assigned the same register.
2152
2153 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
2154
2155         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2156
2157 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2158
2159         * config/arm/arm-c.c (arm_pragma_target_parse):
2160         Remove warn_builtin_macro_redefined overwrite.
2161
2162 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2163
2164         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2165         flag_non_call_exceptions compatibility.
2166
2167 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2168
2169         PR debug/66668
2170         * dwarf2out.c (add_child_die_after): New function.
2171         (dwarf_qual_info_t): New type.
2172         (dwarf_qual_info): New variable.
2173         (qualified_die_p): New function.
2174         (modified_type_die): For -fdebug-types-section, ensure
2175         canonical order of qualifiers.  Put qualified DIEs adjacent
2176         to the corresponding non-qualified type DIE and search there
2177         for existing qualified DIEs.
2178
2179 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2180
2181         * doc/extend.texi (scalar_storage_order type attribute): Document
2182         restriction on type punning and aliasing, and remove future tense.
2183
2184 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
2185
2186         PR target/69252
2187         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2188         first stage.
2189
2190 2016-01-21  Jeff Law  <law@redhat.com>
2191
2192         PR middle-end/69347
2193         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2194         useless call to record_temporary_equivalences.
2195         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2196         allocate 10 slots in the bb_path vector and let it grow as needed.
2197         (fsm_find_control_statement_thread_paths): Similarly for the next_path
2198         vector.
2199
2200 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2201
2202         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2203         Detangle.
2204         * configure: Regenerate.
2205
2206 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
2207
2208         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2209         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2210
2211 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
2212
2213         PR middle-end/66178
2214         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2215         drop EXPAND_INITIALIZER.
2216         * rtl.h (contains_symbolic_reference_p): Declare.
2217         * rtlanal.c (contains_symbolic_reference_p): New function.
2218         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2219         a subtraction into a NOT if symbolic constants are involved.
2220
2221 2016-01-21  Anton Blanchard  <anton@samba.org>
2222             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2223
2224         PR target/63354
2225         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2226         #define.
2227         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2228         function.
2229
2230 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2231
2232         * config/microblaze/microblaze.c
2233         (get_branch_target): New.
2234         (insert_wic_for_ilb_runout): New.
2235         (insert_wic): New.
2236         (microblaze_machine_dependent_reorg): New.
2237         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2238         * config/microblaze/microblaze.md
2239         (UNSPEC_IPREFETCH): Define.
2240         (iprefetch): New pattern
2241         * config/microblaze/microblaze.opt
2242         (mxl-prefetch): New flag.
2243
2244 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2245
2246         * config/microblaze/microblaze.h
2247         (FIXED_REGISTERS): Update in macro.
2248         (CALL_USED_REGISTERS): Update in macro.
2249
2250 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
2251
2252         PR rtl-optimization/68920
2253         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2254         moves.
2255
2256 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2257
2258         PR rtl-optimization/68990
2259         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2260         pseudo instead of inheritance ones.
2261
2262 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2263             Nick Clifton  <nickc@redhat.com>
2264
2265         PR target/69129
2266         PR target/69012
2267         * config/mips/mips.c (mips_compute_frame_info): Initialise
2268         args_size and hard_frame_pointer_offset fields of the frame
2269         structure before calling mips_global_pointer.
2270
2271 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2272
2273         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2274         label reference.
2275         * configure: Regenerate.
2276
2277 2016-01-21  Richard Biener  <rguenther@suse.de>
2278
2279         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2280
2281 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2282
2283         * config/s390/s390.c (s390_asm_declare_function_size): Add code
2284         to actually emit the .size directive.
2285
2286 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
2287              Jakub Jelinek  <jakub@redhat.com>
2288
2289         PR target/69187
2290         PR target/65624
2291         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2292         args array size by one to avoid buffer overflow.
2293
2294 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2295
2296         * config/s390/s390.md (pool_section_start): Use switch_to_section
2297         to select proper read-only data section instead of hardcoding
2298         .rodata.
2299         (pool_section_end): Use switch_to_section to match the above.
2300
2301 2016-01-21  Richard Biener  <rguenther@suse.de>
2302
2303         PR tree-optimization/69378
2304         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2305         (set_ssa_val_to): Use it for dominance checks taking into
2306         account not executable edges.
2307
2308 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2309
2310         PR c++/69355
2311         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2312         for bitsize instead of GET_MODE_PRECISION (mode).
2313
2314 2016-01-20  Martin Sebor  <msebor@redhat.com>
2315
2316         PR c/52291
2317         * extend.texi (__sync Builtins): Clarify the semantics of
2318         __sync_fetch_and_OP built-ins on pointers.
2319         (__atomic Builtins): Same.
2320
2321 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2322             Sebastian Pop  <s.pop@samsung.com>
2323
2324         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2325         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2326         (is_valid_rename): Same.
2327         (translate_isl_ast_to_gimple::get_rename): Same.
2328         (translate_isl_ast_to_gimple::rename_all_uses): Same.
2329         (translate_isl_ast_to_gimple::rename_uses): Same.
2330         (get_new_name): Check for close_phi nodes.
2331         (copy_loop_phi_args): Use phi_node_kind.
2332         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2333         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2334
2335 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2336             Sebastian Pop  <s.pop@samsung.com>
2337
2338         Revert commit r229783.
2339         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2340         Remove use of parameter_rename_map.
2341         (copy_def): Remove.
2342         (copy_internal_parameters): Remove.
2343         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2344         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2345         (free_sese_info): Do not free parameter_rename_map.
2346         (set_rename): Do not use parameter_rename_map.
2347         (rename_uses): Update call to set_rename.
2348         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2349         * sese.h (parameter_rename_map_t): Remove.
2350         (struct sese_info_t): Remove field parameter_rename_map.
2351
2352 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2353             Sebastian Pop  <s.pop@samsung.com>
2354
2355         * graphite-isl-ast-to-gimple.c: Fix comment.
2356         * graphite-scop-detection.c (defined_in_loop_p): New.
2357         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2358         names defined in loop.
2359
2360 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2361             Sebastian Pop  <s.pop@samsung.com>
2362
2363         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2364         Discard unstructured if-then-else regions.
2365
2366 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2367             Sebastian Pop  <s.pop@samsung.com>
2368
2369         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2370         (cleanup_loop_iter_dom): Remove.
2371         (build_loop_iteration_domains): Remove.
2372         (build_scop_context): Remove.
2373         (build_scop_iteration_domain): Remove.
2374         (add_loop_constraints): New.
2375         (build_iteration_domains): New.
2376         (build_poly_scop): Call build_iteration_domains.
2377
2378 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2379             Sebastian Pop  <s.pop@samsung.com>
2380
2381         * graphite-scop-detection.c
2382         (scop_detection::harmful_loop_in_region): Free dom and loops.
2383         (scop_detection::loop_body_is_valid_scop): Free bbs.
2384
2385 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2386             Sebastian Pop  <s.pop@samsung.com>
2387
2388         * graphite-scop-detection.c (record_loop_in_sese): New.
2389         (gather_bbs::before_dom_children): Call record_loop_in_sese.
2390         (build_scops): Remove call to build_sese_loop_nests.
2391         * sese.c (sese_record_loop): Remove.
2392         (build_sese_loop_nests): Remove.
2393         (new_sese_info): Remove region->loops.
2394         (free_sese_info): Same.
2395         * sese.h (sese_contains_loop): Same.
2396         (build_sese_loop_nests): Remove.
2397         (sese_contains_loop): Remove.
2398
2399 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2400             Sebastian Pop  <s.pop@samsung.com>
2401
2402         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2403         loop_is_valid_in_scop.
2404         (scop_detection::harmful_stmt_in_region): Renamed
2405         harmful_loop_in_region.
2406         Call loop_is_valid_in_scop.
2407
2408 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2409             Sebastian Pop  <s.pop@samsung.com>
2410
2411         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2412         isl_ast_node_mark.
2413
2414 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2415             Sebastian Pop  <s.pop@samsung.com>
2416
2417         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2418         * graphite.h (struct poly_bb): Remove field is_reduction.
2419         (PBB_IS_REDUCTION): Remove.
2420
2421 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2422             Sebastian Pop  <s.pop@samsung.com>
2423
2424         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2425         (add_pdr_constraints): Same.
2426         (scop_get_reads): Same.
2427         (scop_get_must_writes): Same.
2428         (scop_get_may_writes): Same.
2429         (scop_get_original_schedule): Same.
2430         (extend_schedule): Same.
2431         (apply_schedule_on_deps): Same.
2432         (carries_deps): Same.
2433         (compute_deps): Same.
2434         (scop_get_dependences): Same.
2435         * graphite-isl-ast-to-gimple.c
2436         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2437         * graphite-optimize-isl.c (get_schedule_for_band): Same.
2438         (get_schedule_for_band_list): Same.
2439         (get_schedule_map): Same.
2440         (apply_schedule_map_to_scop): Same.
2441         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2442         (build_loop_iteration_domains): Same.
2443         (add_condition_to_pbb): Same.
2444         (add_param_constraints): Same.
2445         (pdr_add_memory_accesses): Same.
2446         (pdr_add_data_dimensions): Same.
2447
2448 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2449
2450         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2451         requirements.
2452
2453 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2454
2455         * common.opt (feliminate-dwarf2-dups): Replace references to
2456         "DWARF 2" with just "DWARF".
2457         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2458         * doc/extend.texi: Likewise.
2459         * doc/cpp.texi: Likewise.
2460         * doc/invoke.texi: Likewise.
2461         (Option Summary): Add -gdwarf to list of Debugging Options.
2462         (Debugging Options): Document -gdwarf.
2463         * doc/contrib.texi: Spell "DWARF" like that.
2464
2465 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2466
2467         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2468         warning.  Fix up formatting.
2469
2470         PR middle-end/67653
2471         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2472         attempt to mark memory input operand addressable and
2473         call prepare_gimple_addressable in that case.  Don't adjust
2474         input_location for diagnostics, use error_at instead.
2475
2476 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
2477
2478         * config/rs6000/ppc-auxv.h: New file.
2479         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2480         (cpu_is): Likewise.
2481         (cpu_supports): Likewise.
2482         * config/rs6000/rs6000.c: include "ppc-auxv.h".
2483         (cpu_is_info): New variable.
2484         (cpu_supports_info): Likewise.
2485         (tcb_verification_symbol): Likewise.
2486         (cpu_builtin_p): Likewise.
2487         (cpu_expand_builtin): New function.
2488         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2489         (rs6000_init_builtins): Likewise.
2490         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2491         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2492         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2493         * configure: Regenerate.
2494         * config.in: Likewise.
2495         * doc/extend.texi (PowerPC Built-in Functions): Document
2496         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2497
2498 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
2499
2500         PR target/68609
2501         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2502         domain check.
2503         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2504         for V4SFmode.
2505
2506 2016-01-20  Richard Henderson  <rth@redhat.com>
2507
2508         PR bootstrap/69343
2509         PR bootstrap/69339
2510         PR tree-opt/68964
2511         Revert:
2512         * tree.c (tm_define_builtin): New.
2513         (find_tm_vector_type): New.
2514         (build_tm_vector_builtins): New.
2515         (build_common_builtin_nodes): Call it.
2516
2517 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
2518
2519         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2520         (arm_fp_ok): Likewise.
2521         (arm_fp): Likewise.
2522         (arm_crypto): Likewise.
2523
2524 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
2525             Richard Biener  <rguenther@suse.de>
2526
2527         PR tree-optimization/69328
2528         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2529         vectors have same number of elements.
2530         (vectorizable_condition): Fix masked version recognition.
2531
2532 2016-01-20  Richard Biener  <rguenther@suse.de>
2533
2534         PR tree-optimization/69345
2535         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2536         (VN_INFO_PTR_INFO): Likewise.
2537         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2538         info when it is equal between non-dominating SSA names.
2539         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2540         Make sure to look at original SSA infos.
2541
2542 2016-01-20  Jeff Law  <law@redhat.com>
2543
2544         PR target/25114
2545         * config/m68k/predicates.md (pow2_m1_operand): New predicate
2546         extracted from ...
2547         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2548         (pc_or_label_operand): New predicate.
2549         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2550         tests for small integers that are 2^n - 1.
2551
2552 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
2553
2554         * doc/invoke.texi (Options Summary): Add '.' after @xref.
2555
2556 2016-01-19  Jeff Law  <law@redhat.com>
2557
2558         PR middle-end/69347
2559         * tree-ssa-threadbackwards.c
2560         (fsm_find_control_statement_thread_paths): Do not try to lookup
2561         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2562
2563 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
2564
2565         * doc/lto.texi: Remove text that says only Gold has linker plugin
2566         support.
2567
2568 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
2569
2570         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
2571         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
2572         the DIE accordingly.
2573         (modified_type_die): Add REVERSE parameter and pass it recursively,
2574         as well as to base_type_die.  Adjust presence check accordingly.
2575         (base_type_for_mode): Adjust call to modified_type_die.
2576         (add_type_attribute): Add REVERSE parameter and pass it to
2577         modified_type_die.
2578         (generic_parameter_die): Adjust call to add_type_attribute.
2579         (add_scalar_info): Likewise.
2580         (add_subscript_info): Likewise.
2581         (gen_array_type_die): Likewise.
2582         (gen_descr_array_type_die): Likewise.
2583         (gen_entry_point_die): Likewise.
2584         (gen_enumeration_type_die): Likewise.
2585         (gen_formal_parameter_die): Likewise.
2586         (gen_subprogram_die): Likewise.
2587         (gen_variable_die ): Likewise.
2588         (gen_const_die): Likewise.
2589         (gen_field_die): Likewise.
2590         (gen_pointer_type_die): Likewise.
2591         (gen_reference_type_die): Likewise.
2592         (gen_ptr_to_mbr_type_die): Likewise.
2593         (gen_inheritance_die): Likewise.
2594         (gen_subroutine_type_die): Likewise.
2595         (gen_typedef_die): Likewise.
2596         (force_type_die): Adjust call to modified_type_die.
2597
2598 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
2599
2600         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
2601         flow throughout the file.  Fix broken link to Objective-C 2.0
2602         documentation.
2603         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
2604         errors.
2605
2606 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2607
2608         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
2609
2610 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2611
2612         PR ipa/66223
2613         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
2614         (maybe_record_node): Record cxa_pure_virtual as the only possible
2615         target if there are not ohter candidates.
2616         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
2617
2618 2016-01-19  Richard Biener  <rguenther@suse.de>
2619
2620         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
2621         (get_memory_order): Likewise.
2622
2623 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
2624
2625         * tree-vect-stmts.c (vectorizable_store): Check
2626         rhs vectype.
2627
2628 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
2629
2630         PR jit/68446
2631         * gcc.c (driver::decode_argv): Add call to
2632         init_opts_obstack before init_options_struct.
2633         * opts.c (init_opts_obstack): Remove idempotency.
2634         (init_options_struct): Replace call to init_opts_obstack
2635         with a gcc_assert to verify that it has already been called.
2636         * toplev.c (toplev::main): Add call to init_opts_obstack before
2637         calls to init_options_struct.
2638         (toplev::finalize): Move cleanup of opts_obstack next to
2639         cleanup of save_decoded_options, clearing the latter, and
2640         save_decoded_options_count.
2641
2642 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2643
2644         PR target/69135
2645         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
2646         attribute to unconditional.  Remove %? from output template.
2647
2648 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2649             Jiong Wang  <jiong.wang@arm.com>
2650
2651         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
2652         generated from different expand order.
2653
2654 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2655
2656         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2657         Add support for CCMP costing.
2658
2659 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2660
2661         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
2662         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
2663         (fccmpe<mode>): Likewise.
2664         (fcmp): Rename to fcmp and globalize pattern.
2665         (fcmpe): Likewise.
2666         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
2667         (aarch64_gen_ccmp_next): Add FP support.
2668
2669 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2670
2671         * target.def (gen_ccmp_first): Update documentation.
2672         (gen_ccmp_next): Likewise.
2673         * doc/tm.texi (gen_ccmp_first): Update documentation.
2674         (gen_ccmp_next): Likewise.
2675         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
2676         expand_ccmp_expr_1.  Improve comments.
2677         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
2678         (ccmp_ior<mode>): Remove pattern.
2679         (cmp<mode>): Remove expand.
2680         (cmp): Globalize pattern.
2681         (cstorecc4): Use cc_register.
2682         (mov<mode>cc): Remove ccmp_cc_register check.
2683         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
2684         Simplify after removal of CC_DNE/* modes.
2685         (aarch64_ccmp_mode_to_code): Remove.
2686         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
2687         In 'k' case use integer as condition.
2688         (aarch64_nzcv_codes): Remove inverted cases.
2689         (aarch64_code_to_ccmode): Remove.
2690         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
2691         comparison with CC register to be used in folowing CCMP/branch/CSEL.
2692         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
2693         pattern.  Return the comparison with CC register.  Invert conditions
2694         when bitcode is OR.
2695         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
2696         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
2697
2698 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2699
2700         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2701         instrumented_version.
2702
2703 2016-01-19  Richard Biener  <rguenther@suse.de>
2704
2705         PR tree-optimization/69336
2706         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
2707         handled components with get_ref_base_and_extent.
2708         (equal_mem_array_ref_p): Adjust.
2709
2710 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR debug/65779
2713         * shrink-wrap.c: Include valtrack.h.
2714         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
2715         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
2716         in between insn and where it will be moved to.  Call
2717         dead_debug_insert_temp.
2718         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
2719         first and dead_debug_local_finish at the end.
2720         For uses and defs bitmap, handle all regs in between REGNO and
2721         END_REGNO, not just the first one.
2722
2723 2016-01-19  Richard Biener  <rguenther@suse.de>
2724
2725         PR tree-optimization/69352
2726         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
2727         (equal_mem_array_ref_p): Constrain size and max size properly.
2728         Compare the reverse flag.
2729
2730 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
2731
2732         * ira.c (ira): Update regstat data if we deleted insns.
2733
2734 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2735
2736         PR rtl-optimization/68955
2737         PR rtl-optimization/64557
2738         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
2739         here.  Fix up formatting.
2740         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
2741
2742 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2743
2744         PR lto/69133
2745         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
2746         assume that the node has body.
2747         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
2748         check.
2749
2750 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2751
2752         * lto-streamer-out.c (lto_output): Do not stream instrumentation
2753         thunks.
2754
2755 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2756
2757         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
2758         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
2759
2760 2016-01-19  Martin Jambor  <mjambor@suse.cz>
2761             Martin Liska  <mliska@suse.cz>
2762             Michael Matz <matz@suse.de>
2763
2764         * Makefile.in (OBJS): Add new source files.
2765         (GTFILES): Add hsa.c.
2766         * common.opt (disable_hsa): New variable.
2767         (-Whsa): New warning.
2768         * config.in (ENABLE_HSA): New.
2769         * configure.ac: Treat hsa differently from other accelerators.
2770         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
2771         $enable_offloading.
2772         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
2773         * doc/install.texi (Configuration): Document --with-hsa-runtime,
2774         --with-hsa-runtime-include, --with-hsa-runtime-lib and
2775         --with-hsa-kmt-lib.
2776         * doc/invoke.texi (-Whsa): Document.
2777         (hsa-gen-debug-stores): Likewise.
2778         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
2779         to invoke offload compiler for hsa acclerator.
2780         * opts.c (common_handle_option): Determine whether HSA offloading
2781         should be performed.
2782         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
2783         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
2784         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
2785         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
2786         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
2787         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
2788         GF_OMP_FOR_KIND_GRID_LOOP.
2789         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
2790         (pp_gimple_stmt_1): Likewise.
2791         * gimple-walk.c (walk_gimple_stmt): Likewise.
2792         * gimple.c (gimple_build_omp_grid_body): New function.
2793         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
2794         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
2795         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
2796         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
2797         GF_OMP_TEAMS_GRID_PHONY.
2798         (gimple_statement_omp_single_layout): Updated comments.
2799         (gimple_build_omp_grid_body): New function.
2800         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
2801         (gimple_omp_for_grid_phony): New function.
2802         (gimple_omp_for_set_grid_phony): Likewise.
2803         (gimple_omp_parallel_grid_phony): Likewise.
2804         (gimple_omp_parallel_set_grid_phony): Likewise.
2805         (gimple_omp_teams_grid_phony): Likewise.
2806         (gimple_omp_teams_set_grid_phony): Likewise.
2807         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
2808         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
2809         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
2810         (BUILT_IN_GOMP_TARGET): Updated type.
2811         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
2812         (adjust_for_condition): New function.
2813         (get_omp_for_step_from_incr): Likewise.
2814         (extract_omp_for_data): Moved parts to adjust_for_condition and
2815         get_omp_for_step_from_incr.
2816         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
2817         (fixup_child_record_type): Bail out if receiver_decl is NULL.
2818         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
2819         (scan_omp_parallel): Do not create child functions for phony
2820         constructs.
2821         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
2822         (scan_omp_1_op): Checking assert we are not remapping to
2823         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
2824         (parallel_needs_hsa_kernel_p): New function.
2825         (expand_parallel_call): Register apprpriate parallel child
2826         functions as HSA kernels.
2827         (grid_launch_attributes_trees): New type.
2828         (grid_attr_trees): New variable.
2829         (grid_create_kernel_launch_attr_types): New function.
2830         (grid_insert_store_range_dim): Likewise.
2831         (grid_get_kernel_launch_attributes): Likewise.
2832         (get_target_argument_identifier_1): Likewise.
2833         (get_target_argument_identifier): Likewise.
2834         (get_target_argument_value): Likewise.
2835         (push_target_argument_according_to_value): Likewise.
2836         (get_target_arguments): Likewise.
2837         (expand_omp_target): Call get_target_arguments instead of looking
2838         up for teams and thread limit.
2839         (grid_expand_omp_for_loop): New function.
2840         (grid_arg_decl_map): New type.
2841         (grid_remap_kernel_arg_accesses): New function.
2842         (grid_expand_target_kernel_body): New function.
2843         (expand_omp): Call it.
2844         (lower_omp_for): Do not emit phony constructs.
2845         (lower_omp_taskreg): Do not emit phony constructs but create for them
2846         a temporary variable receiver_decl.
2847         (lower_omp_taskreg): Do not emit phony constructs.
2848         (lower_omp_teams): Likewise.
2849         (lower_omp_grid_body): New function.
2850         (lower_omp_1): Call it.
2851         (grid_reg_assignment_to_local_var_p): New function.
2852         (grid_seq_only_contains_local_assignments): Likewise.
2853         (grid_find_single_omp_among_assignments_1): Likewise.
2854         (grid_find_single_omp_among_assignments): Likewise.
2855         (grid_find_ungridifiable_statement): Likewise.
2856         (grid_target_follows_gridifiable_pattern): Likewise.
2857         (grid_remap_prebody_decls): Likewise.
2858         (grid_copy_leading_local_assignments): Likewise.
2859         (grid_process_kernel_body_copy): Likewise.
2860         (grid_attempt_target_gridification): Likewise.
2861         (grid_gridify_all_targets_stmt): Likewise.
2862         (grid_gridify_all_targets): Likewise.
2863         (execute_lower_omp): Call grid_gridify_all_targets.
2864         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
2865         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
2866         (tree_omp_clause): Added union field dimension.
2867         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
2868         * tree.c (omp_clause_num_ops): Added number of arguments of
2869         OMP_CLAUSE__GRIDDIM_.
2870         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
2871         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
2872         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
2873         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
2874         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
2875         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
2876         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
2877         * tree-pass.h (make_pass_gen_hsail): Declare.
2878         (make_pass_ipa_hsa): Likewise.
2879         * ipa-hsa.c: New file.
2880         * lto-section-in.c (lto_section_name): Add hsa section name.
2881         * lto-streamer.h (lto_section_type): Add hsa section.
2882         * timevar.def (TV_IPA_HSA): New.
2883         * hsa-brig-format.h: New file.
2884         * hsa-brig.c: New file.
2885         * hsa-dump.c: Likewise.
2886         * hsa-gen.c: Likewise.
2887         * hsa.c: Likewise.
2888         * hsa.h: Likewise.
2889         * toplev.c (compile_file): Call hsa_output_brig.
2890         * hsa-regalloc.c: New file.
2891
2892 2016-01-18  Jeff Law  <law@redhat.com>
2893
2894         PR tree-optimization/69320
2895         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
2896         ranged object, do nothing if the RHS constant is not [0..1].
2897         (optimize_stmt): Comparing a boolean ranged object against a
2898         constant outside [0..1] results in a compile-time constant.
2899
2900         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
2901         test.
2902
2903 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
2904
2905         * doc/invoke.texi (Invoking GCC): Add new section to menu.
2906         (Option Summary): Update to reflect new section and moved options.
2907         (C++ Dialect Options): Move -fstats to new section.
2908         (Debugging Options): Move all dump, statistics, and other GCC
2909         developer options to new section.  Rewrite section introduction
2910         and re-order remaining options to put the more basic ones first.
2911         (Optimization Options): Move -fira-verbose and -flto-report* to
2912         new section.
2913         (Developer Options): New section incorporating moved options.
2914         * doc/cppopts.texi (-dM): Update cross-reference.
2915
2916 2016-01-18  Richard Henderson  <rth@redhat.com>
2917
2918         PR target/69176
2919         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
2920         operands to pseudo only if CSE is expected.  Split long immediate
2921         operands only after reload, and for the stack pointer.
2922         (*add<GPI>3_pluslong): Remove.
2923         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
2924         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
2925         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
2926         (*add<GPI>3 peepholes): New.
2927         (*add<GPI>3 splitters): New.
2928         * config/aarch64/constraints.md (Upl): New.
2929         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
2930
2931 2016-01-18  Richard Biener  <rguenther@suse.de>
2932
2933         PR tree-optimization/69297
2934         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
2935         stmt at most once.
2936         (vect_bb_vectorization_profitable_p): Clear visited flag again.
2937
2938 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
2939
2940         PR middle-end/68542
2941         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
2942         of mixind vector and scalar types.
2943         (fold_relational_const): Add handling of vector
2944         comparison with boolean result.
2945         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
2946         comparison of vector operands with boolean result for EQ/NE only.
2947         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
2948         (verify_gimple_cond): Likewise.
2949         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
2950         valid type of VAL.
2951
2952 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
2953
2954         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
2955         !TARGET_OCTEON.
2956
2957 2016-01-18  Richard Biener  <rguenther@suse.de>
2958
2959         PR middle-end/69308
2960         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
2961
2962 2016-01-18  Tom de Vries  <tom@codesourcery.com>
2963
2964         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
2965
2966 2016-01-18  Tom de Vries  <tom@codesourcery.com>
2967
2968         * omp-low.c (set_oacc_fn_attrib): Make extern.
2969         * omp-low.h (set_oacc_fn_attrib): Declare.
2970         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
2971         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
2972         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
2973         Add and handle function parameter oacc_kernels_p.
2974         (find_reduc_addr, get_omp_data_i_param): New function.
2975         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
2976         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
2977         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
2978         Calculate dominance info.  Skip loops that are not in a kernels region
2979         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
2980         (pass_parallelize_loops::execute): Call parallelize_loops with
2981         oacc_kernels_p argument.
2982         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
2983         New member function.
2984         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
2985         * passes.def: Add argument to pass_parallelize_loops instantation.
2986
2987 2016-01-18  Tom de Vries  <tom@codesourcery.com>
2988
2989         * tree-parloops.c (pass_parallelize_loops::execute): Allow
2990         pass_parallelize_loops to be run outside the loop pipeline.
2991
2992 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
2993
2994         * tree-scalar-evolution.c (follow_copies_to_constant): New.
2995         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
2996
2997 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
2998
2999         PR target/63679
3000         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3001         using get_ref_base_and_extent.
3002         (equal_mem_array_ref_p): New.
3003         (hashable_expr_equal_p): Add call to previous.
3004
3005 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3006
3007         PR target/63679
3008         * tree-sra.c (disqualified_constants, constant_decl_p): New.
3009         (sra_initialize): Allocate disqualified_constants.
3010         (sra_deinitialize): Free disqualified_constants.
3011         (disqualify_candidate): Update disqualified_constants when appropriate.
3012         (create_access): Scan for constant-pool entries as we go along.
3013         (scalarizable_type_p): Add check against type_contains_placeholder_p.
3014         (maybe_add_sra_candidate): Allow constant-pool entries.
3015         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3016         (initialize_constant_pool_replacements): New.
3017         (sra_modify_assign): Avoid mangling assignments created by previous,
3018         and don't generate writes into constant pool.
3019         (sra_modify_function_body): Call initialize_constant_pool_replacements.
3020
3021 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3022
3023         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3024         andnot instruction.
3025         (scalar_chain::convert_op): Likewise.
3026         * config/i386/i386.md (*andndi3_doubleword): New.
3027
3028 2016-01-18  Richard Biener  <rguenther@suse.de>
3029
3030         PR tree-optimization/69170
3031         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3032         building a vector from scalar results of a pattern stmt.
3033
3034 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
3035
3036         * haifa-sched.c (autopref_multipass_init): Work around
3037         -Wmaybe-uninitialized warning.
3038
3039 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3040
3041         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3042         against the constant 0.
3043
3044 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3045
3046         PR tree-optimization/68799
3047         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3048         look up phi candidates in the statement-candidate map.
3049         (phi_add_costs): Likewise.
3050         (record_phi_increments): Likewise.
3051         (phi_incr_cost): Likewise.
3052         (ncd_with_phi): Likewise.
3053         (all_phi_incrs_profitable): Likewise.
3054
3055 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
3056
3057         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3058         -Wmaybe-uninitialized warning.
3059
3060 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
3061
3062         * doc/invoke.texi (Invoking GCC): Add new section to menu.
3063         (Option Summary): Update to reflect new section and moved options.
3064         (C++ Dialect Options): Move -fvtable-verify and related options.
3065         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3066         and profiling-related options.
3067         (Optimization Options): Move profile generation options and
3068         -fstack-protector and related options.
3069         (Instrumentation Options): New section incorporating moved options.
3070         (Code Generation Options): Move -finstrument-functions and
3071         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3072
3073 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3074
3075         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3076
3077 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3078
3079         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
3080
3081 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3082
3083         * hash-table.h (hash_table::empty): Turn into an inline wrapper
3084         that checks whether the table is already empty.  Rename the
3085         original implementation to...
3086         (hash_table::empty_slot): ...this new private function.
3087
3088 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
3089
3090         PR diagnostic/68899
3091         * diagnostic-show-locus.c (layout::print_source_line): Move x
3092         offset of line until after call to
3093         get_line_width_without_trailing_whitespace.
3094
3095 2016-01-15  Jeff Law  <law@redhat.com>
3096
3097         PR tree-optimization/69270
3098         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3099         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
3100         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3101         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3102         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3103         ssa_name_has_boolean_range and constant_boolean_node.
3104
3105 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
3106
3107         PR rtl-optimization/69030
3108         * lra-spills.c (remove_pseudos): Check nrefs and make the function
3109         returning bool.
3110         (spill_pseudos): Delete debug insn for dead pseudo.
3111         (lra_spill): Initiate spill_hard_reg and slots memory separately.
3112
3113 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
3114
3115         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3116         New.
3117         (TYPES_UNOPUS): Likewise.
3118         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3119         builtin type, from UNOP to UNOPUS.
3120         (lbtruncuv4sf): Likewise.
3121         (lbtruncuv2df): Likewise.
3122         (lrounduv2sf): Likewise.
3123         (lrounduv4sf): Likewise.
3124         (lrounduv2df): Likewise.
3125         (lroundusf): Likewise.
3126         (lroundusf): Likewise.
3127         (lceiluv2sf): Likewise.
3128         (lceiluv4sf): Likewise.
3129         (lceiluv2df): Likewise.
3130         (lceilusf): Likewise.
3131         (lceiludf): Likewise.
3132         (lflooruv2sf): Likewise.
3133         (lflooruv4sf): Likewise.
3134         (lflooruv2df): Likewise.
3135         (lfloorusf): Likewise.
3136         (lfloorudf): Likewise.
3137         (lfrintnuv2sf): Likewise.
3138         (lfrintnuv4sf): Likewise.
3139         (lfrintnuv2df): Likewise.
3140         (lfrintnusf): Likewise.
3141         (lfrintnudf): Likewise.
3142         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3143         conversion.
3144         (vcvtq_u32_f32): Likewise.
3145         (vcvtq_u64_f64): Likewise.
3146         (vcvta_u32_f32): Likewise.
3147         (vcvtaq_u32_f32): Likewise.
3148         (vcvtaq_u64_f64): Likewise.
3149         (vcvtm_u32_f32): Likewise.
3150         (vcvtmq_u32_f32): Likewise.
3151         (vcvtmq_u64_f64): Likewise.
3152         (vcvtn_u32_f32): Likwise.
3153         (vcvtnq_u32_f32): Likewise.
3154         (vcvtnq_u64_f64): Likewise.
3155         (vcvtp_u32_f32): Likewise.
3156         (vcvtpq_u32_f32): Likewise.
3157         (vcvtpq_u64_f64): Likewise.
3158         (vcvtmd_u64_f64): Likewise.
3159         (vcvtms_u32_f32): Likewise.
3160         (vcvtad_u64_f64): Likewise.
3161         (vcvtas_u32_f32): Likewise.
3162         (vcvtnd_u64_f64): Likewise.
3163         (vcvtns_u32_f32): Likewise.
3164         (vcvtpd_u64_f64): Likewise.
3165         (vcvtps_u32_f32): Likewise.
3166
3167 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3168
3169         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3170         CSEL of zero_extended registers.
3171
3172 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3173
3174         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3175         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3176
3177 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3178
3179         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3180         false when argument string is not found in the attributes table
3181         at all.
3182
3183 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
3184
3185         PR target/68609
3186         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3187         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3188         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3189         precision estimate.
3190
3191 2016-01-15  Richard Biener  <rguenther@suse.de>
3192
3193         PR tree-optimization/66856
3194         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3195         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3196         (vect_create_new_slp_node): Increment stmt reference count.
3197         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3198         an SLP tree before swapping operands.
3199         (vect_build_slp_tree): Likewise.
3200         (destroy_bb_vec_info): Free stmt info after SLP instances.
3201         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3202         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3203         (STMT_VINFO_NUM_SLP_USES): New macro.
3204
3205 2016-01-15  Richard Biener  <rguenther@suse.de>
3206
3207         PR debug/69137
3208         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3209         (add_linkage_name): ... here.
3210         (gen_typedef_die): Use add_linkage_name_raw instead of
3211         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3212         if necessary.
3213
3214 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
3215
3216         * gimplify.c (oacc_default_clause): Decode reference and pointer
3217         types for both kernels and parallel regions.
3218
3219 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3220
3221         PR middle-end/69246
3222         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3223
3224 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3225
3226         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3227         (convert_scalars_to_vector): Likewise.
3228
3229 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
3230
3231         * doc/extend.texi (Type Traits): Fix grammar.
3232
3233 2016-01-15  Martin Jambor  <mjambor@suse.cz>
3234
3235         * tree-inline.c (remap_decl): Use existing dclarations if
3236         remapping a type and prevent_decl_creation_for_types.
3237         (replace_locals_stmt): Do an initial remapping of non-VLA typed
3238         decls first.  Do real remapping with
3239         prevent_decl_creation_for_types set.
3240         * tree-inline.h (copy_body_data): New field
3241         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3242         padding.
3243
3244 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3245
3246         * config/s390/s390.opt (mmvcle): More verbose help text.
3247
3248 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3249
3250         * config/s390/s390.opt: Add period to -mzvector option text.
3251
3252 2016-01-15  Richard Biener  <rguenther@suse.de>
3253
3254         PR tree-optimization/68961
3255         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3256         of invariants in stores again.
3257
3258 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3259
3260         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3261
3262 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3263
3264         * config/i386/i386.c (ix86_expand_branch): Don't split
3265         DI mode xor instruction to SI mode.
3266
3267 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3268
3269         PR ipa/68148
3270         * ipa-icf.c (sem_function::merge): Virtual functions may become
3271         reachable even if they address is not taken and there are no
3272         idrect calls.
3273
3274 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3275
3276         * lto-streamer-out.c (subtract_estimated_size): New function.
3277         (get_symbol_initial_value): Use it.
3278
3279 2016-01-15  Christian Bruel  <christian.bruel@st.com>
3280
3281         PR target/65837
3282         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3283         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3284         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3285         use add_builtin_function_ext_scope instead of add_builtin_function.
3286         (neon_set_p, neon_crypto_set_p): Remove.
3287         (arm_init_builtins): Always call arm_init_neon_builtins and
3288         arm_init_crypto_builtins.
3289         (arm_expand_builtin): Check that builtins are allowed for the arch.
3290         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3291         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3292         arm_init_neon_builtins call.
3293
3294 2016-01-15  Richard Biener  <rguenther@suse.de>
3295
3296         PR tree-optimization/69117
3297         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3298         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3299         of the leader conservatively.
3300         (free_scc_vn): Restore original SSA name infos.
3301
3302 2016-01-14  Jeff Law  <law@redhat.com>
3303
3304         PR tree-optimization/69270
3305         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3306         single bit of precision, verify it's also unsigned.
3307         (record_edge_info): Use constant_boolean_node rather than fold_convert
3308         to convert boolean_true/boolean_false to the right type.
3309
3310 2016-01-14  Richard Henderson  <rth@redhat.com>
3311
3312         PR rtl-opt/69014
3313         * loop-doloop.c (record_reg_sets): New.
3314         (doloop_optimize): Reject the transform if the sequence
3315         clobbers registers live at the end of the loop block.
3316         (doloop_optimize_loops): Enable df_live if needed.
3317
3318 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3319
3320         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3321         * gcc/config/rs6000/rs6000.c: Likewise.
3322         * gcc/config/rs6000/rs6000.h: Likewise.
3323         * gcc/config/rs6000/rs6000.md: Likewise.
3324         * gcc/doc/extend.texi: Likewsie.
3325
3326 2016-01-14  Jeff Law  <law@redhat.com>
3327
3328         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3329         typo.
3330
3331 2016-01-14  Richard Henderson  <rth@redhat.com>
3332
3333         PR c/69272
3334         PR tree-opt/68964
3335         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3336         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3337         instead of builtin_decl_declared_p to test for declaration.
3338
3339 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
3340
3341         * doc/loop.texi (Loop Analysis and Representation): Document
3342         loop_depth function.
3343
3344 2016-01-14  Tom de Vries  <tom@codesourcery.com>
3345
3346         PR tree-optimization/68773
3347         * omp-low.c (expand_omp_target): Don't set force_output.
3348         * varpool.c (varpool_node::get_create): Same.
3349         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3350         offload_funcs with force_output.
3351
3352 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3353
3354         PR debug/69244
3355         * lra-eliminations.c (move_plus_up): Don't change anything if either
3356         the outer or inner subreg mode is not MODE_INT.
3357         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3358         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3359
3360 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3361
3362         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3363         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3364         reduc_uplus_@var{m}): Remove.
3365         * expr.c (expand_expr_real_2): Remove expansion path for
3366         reduc_[us](min|max|plus) optabs.
3367         * optabs-tree.c (scalar_reduc_to_vector): Remove.
3368         * optabs-tree.h (scalar_reduc_to_vector): Remove.
3369         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3370         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3371         * tree-vect-loop.c (vectorizable_reduction): Remove test for
3372         reduc_[us](min|max|plus) optabs.
3373
3374 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3375
3376         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3377         (reduc_plus_scal_v2sf): New.
3378         (reduc_smax_v2sf): Rename to...
3379         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3380         (reduc_smin_v2sf): Rename to...
3381         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3382
3383 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
3384
3385         * alias.c (compare_base_symbol_refs): New function.
3386         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3387         it.
3388
3389 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3390
3391         PR middle-end/68146
3392         PR tree-optimization/69155
3393         * tree-complex.c: Include cfganal.h.
3394         (phis_to_revisit): New variable.
3395         (extract_component): Add phiarg_p argument.  Assert that returned
3396         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3397         (update_phi_components): Partly rewrite to use loop over real/imag
3398         components instead of code duplication.  If extract_component returns
3399         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3400         create_tmp_reg into the PHI node instead, and mention the phi triplet
3401         in phis_to_revisit.
3402         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
3403         in phis_to_revisit at the end.
3404
3405 2016-01-14  Richard Biener  <rguenther@suse.de>
3406
3407         PR tree-optimization/68060
3408         * tree-vect-loop.c (vect_is_simple_reduction): Check the
3409         outer loop reduction is only used in the inner loop before
3410         detecting a double reduction.
3411
3412 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3413
3414         PR target/68269
3415         * combine.c (expand_field_assignment): Punt if compute_mode is
3416         unsupported scalar mode.
3417
3418 2016-01-14  Richard Biener  <rguenther@suse.de>
3419
3420         PR tree-optimization/66856
3421         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3422         SLP node only if it built successfully.
3423         (vect_analyze_slp_instance): Adjust.
3424
3425 2016-01-14  Jeff Law  <law@redhat.com>
3426
3427         PR tree-optimization/69270
3428         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3429         (record_edge_info): Use it.  Convert boolean_{true,false}_node
3430         to the type of op0.
3431
3432 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
3433
3434         PR ipa/66487
3435         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3436         use block_ultimate_origin
3437         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3438
3439 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3440
3441         * doc/invoke.texi (Submodel Options): Rename section to
3442         "Machine-Dependent Options" to better reflect its content.
3443         Rewrite introductory text to remove archaic CPU names.
3444         Update references.
3445
3446 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3447
3448         * doc/invoke.texi (Code Gen Options): Move section up in file,
3449         before target-specific options.  Update menu and option summary
3450         to reflect the new section ordering.
3451
3452 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3453
3454         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3455         (C++ Dialect Options): Add cross-reference to -std option.
3456         * doc/standards.texi (C++ Language): Document C++14 support.
3457
3458 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3459
3460         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3461         for pack/unpack functions for __ibm128.
3462         (PACK_IF): Likewise.
3463         (UNPACK_IF): Likewise.
3464
3465         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3466         support for __ibm128 pack/unpack functions.
3467         (rs6000_invalid_builtin): Likewise.
3468         (rs6000_init_builtins): Likewise.
3469         (rs6000_opt_masks): Likewise.
3470
3471         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3472         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3473         functions
3474         (RS6000_BTM_COMMON): Likewise.
3475
3476         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3477         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3478         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3479         128-bit floating point.  Add support for the double values to be
3480         in Altivec registers for TF/IF packing and unpacking, but restrict
3481         TD packing sub-fields to be FPR registers.  Don't allow overlapped
3482         register support for packing.  Allow pack inputs to be memory
3483         locations.  Don't build generator functions for unpack<mode>_dm
3484         and unpack<mode>_nodm.
3485         (unpack<mode>_dm): Likewise.
3486         (unpack<mode>_nodm): Likewise.
3487         (pack<mode>): Likewise.
3488
3489         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3490         built-in functions to pack/unpack explicit __ibm128 values.
3491         (__builtin_unpack_ibm128): Likewise.
3492
3493         * doc/extend.texi (PowerPC Built-in Functions): Document
3494         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3495
3496 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
3497
3498         PR c/66208
3499         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3500         Add new arg loc and pass it down as context.
3501         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3502         to the location to use for the warning.
3503         (check_function_arguments): New arg loc.  All callers changed.  Pass
3504         it to check_function_nonnull.
3505         * c-common.h (check_function_arguments): Adjust declaration.
3506
3507 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
3508
3509         PR tree-optimization/69156
3510         * gimple.c (validate_type): Removed.
3511         (gimple_builtin_call_types_compatible_p): Use
3512         useless_type_conversion_p instead of validate_type.
3513         * value-prof.c (gimple_stringop_fixed_value): Fold
3514         icall_size to correct type.
3515
3516 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3517
3518         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3519         effects.
3520
3521 2016-01-13  Richard Henderson  <rth@redhat.com>
3522
3523         PR tree-opt/68964
3524         * target.def (builtin_tm_load, builtin_tm_store): Remove.
3525         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3526         (ix86_builtin_tm_store): Remove.
3527         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3528         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3529         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3530         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3531         * doc/tm.texi: Rebuild.
3532
3533         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3534         (BUILT_IN_TM_MEMCPY_RTWN): New.
3535         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3536         fallback from vector to integer helpers.
3537         (build_tm_load): Handle vector types directly, instead of
3538         via target hook.
3539         (build_tm_store): Likewise.
3540         (expand_assign_tm): Prepare for register types not handled by
3541         the above.  Copy them to memory and use memcpy.
3542         * tree.c (tm_define_builtin): New.
3543         (find_tm_vector_type): New.
3544         (build_tm_vector_builtins): New.
3545         (build_common_builtin_nodes): Call it.
3546
3547 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
3548
3549         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3550         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
3551
3552 2016-01-13  Tom de Vries  <tom@codesourcery.com>
3553
3554         PR tree-optimization/69169
3555         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3556         handled_struct_type param.
3557         (create_variable_info_for, intra_create_variable_infos): Call
3558         create_variable_info_for_1 with extra arg.
3559
3560 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
3561
3562         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3563         and "armv8.1-a+crc" entries.
3564
3565 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
3566
3567         PR target/69228
3568         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
3569         Change first operand predicate from register_or_constm1_operand
3570         to register_operand.
3571         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
3572         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
3573         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
3574         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
3575         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
3576         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
3577         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
3578         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
3579         comparison with constm1_rtx from vec_prefetch_gen part.
3580
3581 2016-01-13  Richard Biener  <rguenther@suse.de>
3582
3583         PR tree-optimization/69013
3584         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
3585         Exchange assert for a test.
3586
3587 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3588
3589         PR target/69247
3590         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
3591
3592 2016-01-13  Richard Biener  <rguenther@suse.de>
3593
3594         PR tree-optimization/69242
3595         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
3596         assert with a check.
3597
3598 2016-01-13  Richard Biener  <rguenther@suse.de>
3599
3600         PR tree-optimization/69186
3601         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3602         Properly guard vect_update_misalignment_for_peel call.
3603
3604 2016-01-12  Jeff Law  <law@redhat.com>
3605
3606         PR tree-optimization/pr67755
3607         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
3608         "need_profile_correction".
3609         (thread_block_1): Initialize new field to false by default.  If we
3610         have multiple thread paths through a common joiner to different
3611         final targets, then set new field to true.
3612         (compute_path_counts): Only do count adjustment when it's really
3613         needed.
3614
3615 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3616
3617         * doc/invoke.texi (Spec Files): Move section down in file, past
3618         all command-line option descriptions.
3619
3620 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3621
3622         PR middle-end/54809
3623         * doc/gty.texi: Remove documentation of mark_hook.
3624         * gengtype.c (struct write_types_data): Remove code to support
3625         mark_hook attribute.
3626         (walk_type): Likewise.
3627         (write_func_for_structure): Likewise.
3628
3629 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3630
3631         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
3632         Directory Options, and -specs= to Overall Options.
3633         (Overall Options): Adjust similarly.  Reorder to group related
3634         options together.  Make -specs= cross-reference the spec file details.
3635         (Directory Options): Adjust similarly.
3636
3637 2016-01-12  Jeff Law  <law@redhat.com>
3638
3639         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
3640
3641 2016-01-12  Olivier Hainque  <hainque@adacore.com>
3642
3643         * gcc.c (spec_undefvar_allowed): New global.
3644         (process_command): Set to true when running for --version or --help,
3645         alone or together.
3646         (getenv_spec_function): When the variable is not defined, use the
3647         variable name as the variable value if we're allowed not to issue
3648         a fatal error.
3649
3650 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
3651
3652         PR tree-optimization/68911
3653         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
3654         information computed for expression "init + nit * step".
3655
3656 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3657
3658         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
3659         about name of GCC executable.  Remove deleted node from menu.
3660         (Directory Options) <-B>: Remove cross-reference to deleted node.
3661         (Target Options): Delete section.
3662
3663 2016-01-12  Christian Bruel  <christian.bruel@st.com>
3664
3665         PR target/69180
3666         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
3667         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
3668
3669 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
3670
3671         PR target/69198
3672         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
3673         aligned_mem is properly set for AVX512-VL floating point masked
3674         stores.
3675
3676         PR target/69175
3677         * ifcvt.c (cond_exec_process_if_block): When removing the last
3678         insn from then_bb, remove also any possible barriers that follow it.
3679
3680 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
3681
3682         PR target/68456
3683         PR target/69226
3684         * config/i386/iamcu.h (SIZE_TYPE): New macro.
3685         (PTRDIFF_TYPE): Likewise.
3686         (WCHAR_TYPE): Likewise.
3687         (WCHAR_TYPE_SIZE): Likewise.
3688         (STDINT_LONG32): Likewise.
3689
3690 2016-01-12  Richard Biener  <rguenther@suse.de>
3691
3692         PR tree-optimization/69053
3693         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
3694         convert initial value for cond reductions.
3695
3696 2016-01-12  Richard Biener  <rguenther@suse.de>
3697
3698         PR tree-optimization/69007
3699         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
3700         widen_sum after dot_prod and sad.
3701
3702 2016-01-12  Richard Biener  <rguenther@suse.de>
3703
3704         PR tree-optimization/69168
3705         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
3706         pattern stmt SLP type.
3707         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
3708         end up unused so cope with that case.
3709
3710 2016-01-12  Richard Biener  <rguenther@suse.de>
3711
3712         PR tree-optimization/69157
3713         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
3714         stmts def type only during analyze phase.
3715         (vectorizable_call): Likewise.
3716         (vectorizable_simd_clone_call): Likewise.
3717         (vectorizable_conversion): Likewise.
3718         (vectorizable_assignment): Likewise.
3719         (vectorizable_shift): Likewise.
3720         (vectorizable_operation): Likewise.
3721         (vectorizable_store): Likewise.
3722         (vectorizable_load): Likewise.
3723
3724 2016-01-12  Richard Biener  <rguenther@suse.de>
3725
3726         PR tree-optimization/69174
3727         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
3728         space.
3729         (vectorizable_load): Properly compute the number of loads needed
3730         for permuted strided SLP loads and do not spuriously assign
3731         to SLP_TREE_VEC_STMTS.
3732
3733 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
3734
3735         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
3736         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
3737         (MD_EXEC_PREFIX): Remove.
3738         (MD_STARTFILE_PREFIX) Removee.
3739         (FILE_NAME_ABSOLUTE_P): Remove.
3740         (CPP_SPEC): Do not read macros from sys/version.h.
3741         (LINK_COMMAND_SPEC): Remove.
3742         (LOCAL_INCLUDE_DIR): Remove.
3743         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
3744         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
3745         (POST_LINK_SPEC): Define to invoke stubify after linker
3746         (LIBSTDCXX): Remove define
3747         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
3748         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
3749         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
3750         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
3751         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
3752         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
3753         (i386_djgpp_asm_named_section): Add propotype of new procedure
3754
3755         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
3756         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
3757         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
3758         in config/i386/djgpp.h).
3759         (STANDARD_STARTFILE_PREFIX_2): Define identical to
3760         STANDARD_STARTFILE_PREFIX_1.
3761         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
3762         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
3763         installation errors.
3764         (MAX_OFILE_ALIGNMENT): Define to 128.
3765         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
3766
3767         * config/i386/djgpp.c: New file. Add implementation of
3768         i386_djgpp_asm_named_section.
3769
3770         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
3771
3772         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
3773         Add rule for building djgpp.o.
3774
3775 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3776
3777         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
3778         (rtx_is_swappable_p): Reductions are swappable.
3779         (insn_is_swappable_p): V2DF reductions are swappable.
3780
3781 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
3782
3783         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
3784         reloads for other unsupported memory operands.
3785
3786 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
3787             Jim Wilson  <jim.wilson@linaro.org>
3788
3789         PR target/69194
3790         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
3791         copy_to_mode_reg instead of force_reg.
3792
3793 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3794
3795         PR target/69225
3796         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
3797         TARGET_80387 is true.
3798
3799 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR target/69071
3802         * lra-eliminations.c (move_plus_up): Only move plus up
3803         if subreg of the constant can be simplified into constant
3804         and use the simplified subreg of the constant instead of
3805         the original constant.
3806
3807         * fold-const.c (fold_convertible_p): Don't return true
3808         for conversion of VECTOR_TYPE to same sized integral type.
3809         (fold_convert_loc): Fix up formatting.  Fold conversion of
3810         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
3811         instead of NOP_EXPR.
3812
3813         PR tree-optimization/69214
3814         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
3815         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3816         Formatting fix.
3817
3818         PR tree-optimization/69207
3819         * tree-vect-slp.c (vect_get_constant_vectors): For
3820         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
3821         fold_convertible_p to vector_type's element type, and always
3822         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
3823
3824 2016-01-11  Richard Biener  <rguenther@suse.de>
3825
3826         PR tree-optimization/69173
3827         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
3828         fixup the cycle if all stmts are in a pattern.
3829
3830 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
3831
3832         PR middle-end/68999
3833         * alias.c (base_alias_check): Move check for addresses with
3834         alignment ANDs before the call for compare_base_decls.
3835         (memrefs_conflict_p): Return -1 for different decls
3836         that went through alignment adjustments.
3837
3838 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3839
3840         PR rtl-optimization/68796
3841         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
3842         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
3843         and QImode comparisons against zero with CC_NZmode.
3844         * config/aarch64/iterators.md (short_mask): New mode_attr.
3845
3846 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3847
3848         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
3849         (<avx512>_store<mode>_mask): Likewise.
3850
3851 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
3852             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3853
3854         PR rtl-optimization/68841
3855         * ifcvt.c (struct noce_if_info): Add orig_x field.
3856         (bbs_ok_for_cmove_arith): Add to_rename parameter.
3857         Don't record conflicts on to_rename if it's present.
3858         Allow memory destinations in sets.
3859         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
3860         blocks, passing orig_x to the checks.
3861         (noce_process_if_block): Set if_info->orig_x appropriately.
3862
3863 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3864
3865         PR tree-optimization/69069
3866         * tree-parloops.c (create_parallel_loop): Add missing phi args.
3867
3868 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
3869
3870         PR rtl-optimization/68920
3871         * config/i386/i386.c (ix86_option_override_internal): Restrict number
3872         of conditional moves for  RTL if-conversion to 1 for
3873         TARGET_ONE_IF_CONV_INSN.
3874         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
3875         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
3876         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
3877         parameter to restirct number of conditional moves for
3878         RTL if-conversion.
3879         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
3880         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
3881         conditionl moves.
3882
3883 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
3884
3885         PR bootstrap/69123
3886         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
3887         onepart vars.  Fix typo in comment.  Fix reversed condition in
3888         unshare test.
3889         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
3890
3891         PR bootstrap/69123
3892         * var-tracking.c (dump_onepart_variable_differences): New.
3893         (dataflow_set_different): If a detailed dump is requested,
3894         delay early returns and dump differences between onepart
3895         variables present before and after, and added variables.
3896
3897 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3898
3899         PR target/69010
3900         * expr.c (expand_expr_real_1): For boolean vector constants
3901         with a scalar mode use const_scalar_mask_from_tree.
3902         (const_scalar_mask_from_tree): New.
3903         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
3904         assigned to a mask type to handle constants.
3905
3906 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3907
3908         PR ipa/69044
3909         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
3910         useless parameters if we cannot change function signature.
3911
3912 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3913
3914         PR ipa/66616
3915         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
3916         flag.
3917
3918 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3919
3920         PR tree-optimization/69109
3921         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
3922         latch with phi.
3923
3924 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3925
3926         PR tree-optimization/69108
3927         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
3928         res is not used in a phi.
3929
3930 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
3931
3932         PR 67425
3933         * common.opt (frandom-seed): Fix parameter name.
3934         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
3935
3936 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3937
3938         PR tree-optimization/69058
3939         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
3940         not supported.
3941
3942 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
3943
3944         * config/arc/arc.opt (mdiv-rem): Add period to the end.
3945         (mcode-density): Likewise.
3946
3947 2016-01-10  Tom de Vries  <tom@codesourcery.com>
3948
3949         PR tree-optimization/69062
3950         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
3951         (parallelize_loops): Don't paralelize loop that has phi with address
3952         arg.
3953
3954 2016-01-10  Tom de Vries  <tom@codesourcery.com>
3955
3956         PR tree-optimization/69039
3957         * tree-parloops.c (try_create_reduction_list): Only allow single exit
3958         phi for reduction.
3959
3960 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
3961
3962         PR middle-end/68743
3963         * match.pd: Require target has function_c99_misc before doing
3964         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
3965
3966 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
3967
3968         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
3969         use GMPINC.
3970         * configure: Regenerate.
3971
3972 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
3973
3974         PR middle-end/50865
3975         PR tree-optimization/69097
3976         * fold-const.h (expr_not_equal_to): New prototype.
3977         * fold-const.c: Include stringpool.h and tree-ssanames.h.
3978         (expr_not_equal_to): New function.
3979         * match.pd (X % -Y is the same as X % Y): Don't optimize
3980         unless X is known not to be equal to minimum or Y is known
3981         not to be equal to -1.
3982         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
3983         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
3984         (simplify_stmt_using_ranges): Adjust caller.
3985         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
3986         substitute_and_fold.
3987
3988 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
3989
3990         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
3991         w/o DECL_NAME.
3992
3993 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
3994
3995         PR tree-optimization/69167
3996         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
3997         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
3998         ops[0] comparison.
3999         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4000
4001 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4002             Richard Biener  <rguenther@suse.de>
4003
4004         PR tree-optimization/68707
4005         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4006         instances that can be handled via vect_load_lanes.
4007
4008 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
4009
4010         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4011         if we can't determine address equivalence.
4012         * alias.c (compare_base_decl): Update for changed return value of
4013         symtab_node::equal_address_to.
4014
4015 2016-01-08  Jason Merrill  <jason@redhat.com>
4016
4017         PR c++/68983
4018         PR c++/67557
4019         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4020         * expr.c (store_field): Not here.
4021         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4022         call with TREE_ADDRESSABLE type.
4023         * tree-cfg.c (verify_gimple_call): Adjust.
4024
4025 2016-01-08  Olivier Hainque  <hainque@adacore.com>
4026
4027         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4028         libc_internal.
4029
4030 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4031
4032         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4033         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4034         (reduc_smin_v2sf): Rename to...
4035         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4036         (reduc_splus_v2sf): Rename to...
4037         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4038
4039 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4040
4041         PR tree-optimization/69162
4042         * gimplify.c (gimplify_va_arg_expr): Encode original type of
4043         valist argument in another argument.
4044         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
4045         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4046         to determine the va_list type, build a MEM_REF instead of
4047         build_fold_indirect_ref.
4048
4049         PR tree-optimization/69172
4050         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4051         gimple_build.
4052
4053 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4054
4055         PR tree-optimization/67781
4056         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4057         and cmpnop in two steps: first the ones not accessed in original
4058         gimple expression in a endian independent way and then the ones not
4059         accessed in the final result in an endian-specific way.
4060
4061 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4062
4063         PR tree-optimization/69083
4064         * tree-vect-slp.c (vect_get_constant_vectors): For
4065         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4066         element type.  If op is fold_convertible_p to vector_type's element
4067         type, use NOP_EXPR instead of VCE.
4068
4069 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
4070
4071         PR rtl-optimization/67778
4072         PR rtl-optimization/68634
4073         PR rtl-optimization/68909
4074         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
4075         block from the stack until done with it.  Remove a superfluous
4076         bitmap set.  Remove a superfluous bitmap test.
4077
4078 2016-01-07  Martin Sebor  <msebor@redhat.com>
4079
4080         PR c/68966
4081         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4082         constraint on the type of arguments.
4083
4084 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
4085
4086         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4087         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4088         unaligned_access on the gcc_options set.
4089         * config/arm/arm.c (arm_option_override_internal): Use
4090         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4091
4092 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4093
4094         PR target/69140
4095         * config/i386/i386.c (ix86_frame_pointer_required): Enable
4096         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4097
4098 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4099
4100         Revert
4101         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4102
4103         PR target/69140
4104         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4105         depending on frame_pointer_needed before remaining integer and SSE
4106         registers are saved.
4107
4108 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4109
4110         PR 1078
4111         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4112
4113 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4114
4115         PR target/69171
4116         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4117         Use the "xBm" constraint.
4118         (float<sseintvecmodelower><mode>2<mask_name><round_name):
4119         Likewise.
4120         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4121         (sse_cvtsi2ssq<round_name>): Likewise.
4122         (sse_cvtss2si<round_name>): Likewise.
4123         (sse_cvtss2siq<round_name>): Likewise.
4124         (sse2_cvtsi2sdq<round_name>): Likewise.
4125         (sse2_cvtsd2si<round_name>): Likewise.
4126         (sse2_cvtsd2siq<round_name>): Likewise.
4127         * config/i386/subst.md (round_nimm_scalar_predicate): New
4128         predicate.
4129
4130 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
4131
4132         PR middle-end/67639
4133         * varasm.c (make_decl_rtl): Mark invalid register vars as
4134         DECL_EXTERNAL.
4135
4136         PR rtl-optimization/66206
4137         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4138         All callers changed.
4139
4140 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
4141
4142         PR tree-optimization/69141
4143         * tree-ssa-pre.c: Include langhooks.h.
4144         (eliminate_dom_walker::before_dom_children): Use
4145         lang_hooks.decl_printable_name instead of
4146         cgraph_node::get ()->name ().
4147
4148         PR middle-end/68960
4149         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4150         it and DECL_ALIGN too.
4151
4152 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
4153
4154         * config/mips/mips-ftypes.def: Sort to lexicographical order.
4155
4156 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4157
4158         PR target/69140
4159         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4160         depending on frame_pointer_needed before remaining integer and SSE
4161         registers are saved.
4162
4163 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4164
4165         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4166         mode iterator with VSX_M2.
4167         (*p9_vecstore_<mode>): Likewise.
4168         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4169         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4170         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4171         (define_split for VSX_LE128 stores): Likewise.
4172         (define_peephole2 for TImode LE swaps): Likewise.
4173         (define_split for VSX_LE128 post-reload stores): Likewise.
4174
4175 2016-01-06  Marek Polacek  <polacek@redhat.com>
4176
4177         PR sanitizer/69099
4178         * convert.c (convert_to_integer_1): Adjust call to
4179         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
4180         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
4181         EXPR instead of ARG.
4182         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4183
4184 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4185
4186         PR 1078
4187         * doc/extend.texi (RL78 Variable Attributes): New section.
4188
4189 2016-01-05  Marek Polacek  <polacek@redhat.com>
4190
4191         PR c/69104
4192         * builtins.c (get_memmodel): Use expansion point location rather than
4193         the input location.  Call warning_at rather than warning.
4194         (expand_builtin_atomic_compare_exchange): Likewise.
4195         (expand_builtin_atomic_load): Likewise.
4196         (expand_builtin_atomic_store): Likewise.
4197         (expand_builtin_atomic_clear): Likewise.
4198
4199 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4200
4201         PR target/68991
4202         * config/i386/i386.c (ix86_expand_vector_logical_operator):
4203         Replace nonimmediate_operand with vector_operand.
4204         * config/i386/predicates.md (vector_operand): New predicate.
4205         (general_vector_operand): Replace nonimmediate_operand with
4206         vector_operand.
4207         * config/i386/sse.md: Replace nonimmediate_operand with
4208         vector_operand and m constraint with Bm constraint on SSE
4209         patterns with 16-byte memory operand.
4210         * config/i386/subst.md (round_nimm_predicate): Replace
4211         nonimmediate_operand with vector_operand.
4212         (round_saeonly_nimm_predicate): Likewise.
4213         (round_saeonly_nimm_scalar_predicate): New.
4214
4215 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4216
4217         PR target/68991
4218         * config/i386/constraints.md (Bm): New constraint.
4219         * config/i386/predicates.md (vector_memory_operand): New
4220         predicate.
4221         * config/i386/sse.md: Replace xm with xBm in plusminus and
4222         any_logic patterns.
4223
4224 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4225
4226         PR 1078
4227         * doc/extend.texi (V850 Function Attributes): New section.
4228         (V850 Variable Attributes): New section.
4229
4230 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4231
4232         PR 1078
4233         * doc/extend.texi (MicroBlaze Function Attributes): Document
4234         interrupt_handler and fast_interrupt attributes.
4235
4236 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
4237
4238         PR other/60465
4239         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4240         for local symbolic operands.
4241         * config/ia64/predicates.md (local_symbolic_operand64): New
4242         predicate.
4243
4244 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4245
4246         PR rtl-optimization/68651
4247         * combine.c (combine_simplify_rtx): Canonicalize x + x into
4248         x << 1.
4249
4250 2016-01-05  Nathan Sidwell  <nathan@acm.org>
4251
4252         * alias.c (compare_base_decls): Use symtab_node::get.
4253
4254 2016-01-05  Nick Clifton  <nickc@redhat.com>
4255
4256         PR target/68770
4257         * ira-costs.c (copy_cost): Initialise the t_icode field of the
4258         secondary_reload_info structure.
4259
4260         PR target/66655
4261         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4262         decls if weak support is available.
4263
4264 2016-01-04  Martin Sebor  <msebor@redhat.com>
4265
4266         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4267
4268 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
4269
4270         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4271         OPTION_MASK_P9_DFORM.
4272
4273         * config/rs6000/constraints.md (wo constraint): New constraint for
4274         ISA 3.0 (power9).
4275
4276         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4277         for wo constraint.
4278         (rs6000_init_hard_regno_mode_ok): Likewise.
4279
4280         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4281         wo constraint.
4282
4283         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4284         expanders not to have constraints.  Add support for ISA 3.0 xxperm
4285         instruction.  Add support for fusing xxlor with xxperm.
4286         (altivec_vperm_<mode>_internal): Likewise.
4287         (altivec_vperm_v8hiv16qi): Likewise.
4288         (altivec_vperm_<mode>v16q): Likewise.
4289         (altivec_vperm_<mode>_uns): Likewise.
4290         (vperm_v8hiv4si): Likewise.
4291         (vperm_v16qiv8hi): Likewise.
4292
4293         * doc/md.texi (RS/6000 constraints): Document wo constraint.
4294
4295 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
4296
4297         Update copyright years.
4298
4299         * gcc.c (process_command): Update copyright notice dates.
4300         * gcov-dump.c (print_version): Ditto.
4301         * gcov.c (print_version): Ditto.
4302         * gcov-tool.c (print_version): Ditto.
4303         * gengtype.c (create_file): Ditto.
4304         * doc/cpp.texi: Bump @copying's copyright year.
4305         * doc/cppinternals.texi: Ditto.
4306         * doc/gcc.texi: Ditto.
4307         * doc/gccint.texi: Ditto.
4308         * doc/gcov.texi: Ditto.
4309         * doc/install.texi: Ditto.
4310         * doc/invoke.texi: Ditto.
4311
4312 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4313
4314         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4315         modes larger than TImode as TImode if NEON is not enabled.
4316
4317 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4318
4319         PR target/69100
4320         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4321         mode for %f0-%f31 only if TARGET_FPU.
4322
4323 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4324
4325         PR target/69072
4326         * config/sparc/sparc.c (scan_record_type): Take into account subfields
4327         to compute the PACKED_P predicate.
4328         (function_arg_record_value): Minor tweaks.
4329
4330 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4331
4332         * doc/install.texi (--with-multilib-list): Describe the meaning of the
4333         option for arm*-*-* targets.
4334
4335 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
4336
4337         * doc/extend.texi (Common Function Attributes): Move docs for
4338         MSP430-specific attributes to....
4339         (MSP430 Function Attributes): ...here.  Delete the redundant
4340         entries and copy-edit the remaining text.
4341         (MSP430 Variable Attributes): Use uniform format for index
4342         entries and add a cross-reference to the corresponding function
4343         attribute docs.
4344
4345 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
4346
4347         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4348         -finite-math typo.
4349         (x86 Options): Likewise.
4350
4351 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4352
4353         PR 1078
4354
4355         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4356         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4357         to corresponding attribute.
4358
4359 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4360
4361         * doc/extend.texi (Common Function Attributes) <noplt>: Move
4362         to correct alphabetization of table.  Copy-edit and correct
4363         markup.
4364         <stack_protect>: Likewise.
4365         <target_clones>: Likewise.
4366         <simd>: Likewise.
4367         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4368         Correct punctuation.
4369         (Code Gen Options) <-fno-plt>: Copy-edit.
4370
4371 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4372
4373         PR target/68917
4374         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4375         SI values.  Explicitly convert SI to DI and vice-versa.
4376
4377 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
4378
4379         PR tree-optimization/69070
4380         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4381         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4382
4383         PR sanitizer/69055
4384         * ubsan.c (ubsan_instrument_float_cast): Call
4385         initialize_sanitizer_builtins.
4386
4387         PR target/69015
4388         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4389 \f
4390 Copyright (C) 2016 Free Software Foundation, Inc.
4391
4392 Copying and distribution of this file, with or without modification,
4393 are permitted in any medium without royalty provided the copyright
4394 notice and this notice are preserved.