gcc/ChangeLog

   1 2016-06-29  Yuri Rumyantsev  <ysrumyan@gmail.com>
   2
   3         PR tree-optimization/70729
   4         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
   5         independent in loops having positive safelen value.
   6         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
   7         it may be not valid after vectorization.
   8
   9 2016-06-29  Jakub Jelinek  <jakub@redhat.com>
  10
  11         PR tree-optimization/71625
  12         * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument.  Assume list
  13         is sorted by ascending list->offset.  If PTR is non-NULL and there is
  14         previous strinfo, call get_stridx_plus_constant.
  15         (get_stridx): Pass exp as second argument to get_addr_stridx.
  16         (addr_stridxptr): Add missing list = list->next, so that there can be
  17         more than one entries in the list.  Bump limit from 16 to 32.  Ensure
  18         the list is sorted by ascending list->offset.
  19         (get_stridx_plus_constant): Adjust so that it can be also called with
  20         ADDR_EXPR instead of SSA_NAME as PTR.
  21         (handle_char_store): Pass NULL_TREE as second argument to
  22         get_addr_stridx.
  23
  24 2016-06-29  Richard Biener  <rguenther@suse.de>
  25
  26         PR rtl-optimization/68961
  27         * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
  28
  29 2016-06-29  Richard Biener  <rguenther@suse.de>
  30
  31         PR middle-end/71002
  32         * alias.c (component_uses_parent_alias_set_from): Handle
  33         type punning through union accesses by using the union alias set.
  34         * gimple.c (gimple_get_alias_set): Remove union type punning case.
  35
  36 2016-07-29  Richard Biener  <rguenther@suse.de>
  37
  38         * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
  39         precision not matching mode precision.
  40
  41 2016-06-28  John David Anglin  <danglin@gcc.gnu.org>
  42
  43         * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
  44         pa_output_arg_descriptor.
  45         (call_val_symref_64bit_post_reload): Likewise.
  46         (call_val_powf_64bit_post_reload): Likewise.
  47         (sibcall_internal_symref_64bit): Likewise.
  48         (sibcall_value_internal_symref_64bit): Likewise.
  49
  50 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
  51
  52         PR middle-end/71626
  53         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
  54         a constant, force its SUBREG_REG into memory or register instead
  55         of whole op1.
  56
  57 2016-06-28  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
  58
  59         PR target/58655
  60         * config/avr/avr.opt (-mfract-convert-truncate): Update description.
  61         * doc/invoke.texi (AVR Options): Document it.
  62
  63 2016-06-28  Walter Lee  <walt@tilera.com>
  64
  65         * config/tilegx/linux.h: Do not include arch/icache.h
  66         (CLEAR_INSN_CACHE): Provide inlined definition directly.
  67         * config/tilepro/linux.h: Do not include arch/icache.h
  68         (CLEAR_INSN_CACHE): Provide inlined definition directly.
  69
  70 2016-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
  71
  72         * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
  73         for big-endian BIT_FIELD_REF.
  74
  75 2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
  76
  77         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
  78         ('size' attribute): Add '128'.
  79         Include power9.md.
  80         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
  81         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
  82         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
  83         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
  84         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
  85         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
  86         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
  87         *trunc<mode>df2_odd): Set size attribute to '128'.
  88         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
  89         * config/rs6000/power6.md (power6-fp): Include dfp type.
  90         * config/rs6000/power7.md (power7-fp): Likewise.
  91         * config/rs6000/power8.md (power8-fp): Likewise.
  92         * config/rs6000/power9.md: New file.
  93         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
  94         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
  95         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
  96         htmsimple.
  97         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
  98         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
  99         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
 100         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
 101         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
 102         dfp_dscri_<mode>): Change type attribute to dfp.
 103         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
 104         attribute to vecsimple.
 105         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
 106         and prefetch streams.
 107         (rs6000_option_override_internal): Remove temporary code setting
 108         tuning to power8.  Don't set rs6000_sched_groups for power9.
 109         (last_scheduled_insn): Change to rtx_insn *.
 110         (divide_cnt, vec_load_pendulum): New variables.
 111         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
 112         (rs6000_issue_rate): Set issue rate for Power9.
 113         (is_power9_pairable_vec_type): New.
 114         (power9_sched_reorder2): New.
 115         (rs6000_sched_reorder2): Call new function for Power9 specific
 116         reordering.
 117         (insn_must_be_first_in_group): Remove Power9.
 118         (insn_must_be_last_in_group): Likewise.
 119         (force_new_group): Likewise.
 120         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
 121         Initialize divide_cnt/vec_load_pendulum.
 122         (_rs6000_sched_context, rs6000_init_sched_context,
 123         rs6000_set_sched_context): Handle context save/restore of new
 124         variables.
 125
 126 2016-06-28  Richard Biener  <rguenther@suse.de>
 127
 128         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 129         Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
 130         COMPONENT_REF operand.
 131         (nonoverlapping_component_refs_p): Likewise.
 132         * stor-layout.c (start_bitfield_representative): Mark
 133         DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
 134
 135 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
 136
 137         * Makefile.in: Don't cat ../stage_current if it does not exist.
 138
 139         * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
 140         last argument is a bit-field.
 141
 142         PR rtl-optimization/71673
 143         * internal-fn.c (expand_arith_overflow_result_store): Use
 144         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
 145         expand_simple_binop.
 146
 147         PR middle-end/66867
 148         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
 149         expand_ifn_atomic_compare_exchange): New functions.
 150         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
 151         * tree.h (build_call_expr_internal_loc): Rename to ...
 152         (build_call_expr_internal_loc_array): ... this.  Fix up type of
 153         last argument.
 154         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
 155         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
 156         ATOMIC_COMPARE_EXCHANGE result.
 157         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
 158         * gimple-fold.h (optimize_atomic_compare_exchange_p,
 159         fold_builtin_atomic_compare_exchange): New prototypes.
 160         * gimple-fold.c (optimize_atomic_compare_exchange_p,
 161         fold_builtin_atomic_compare_exchange): New functions..
 162         * tree-ssa.c (execute_update_addresses_taken): If
 163         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
 164         of call when finding addressable vars, and if such var becomes
 165         non-addressable, call fold_builtin_atomic_compare_exchange.
 166
 167 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
 168
 169         PR target/71670
 170         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
 171         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
 172
 173 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
 174
 175         * config/rs6000/rs6000.md ('type' attribute): Add
 176         veclogical,veccmpfx,vecexts,vecmove insn types.
 177         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
 178         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
 179         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
 180         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
 181         *nabs<mode>2_hw): Change type to vecmove.
 182         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
 183         *boolcc<mode>3_internal, *eqv<mode>3_internal,
 184         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
 185         *ieee_128bit_vsx_abs<mode>2_internal,
 186         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
 187         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
 188         *ieee128_mtvsrd_32bit): Change type to veclogical.
 189         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
 190         *movdi_internal32, *movdi_internal64): Update insn types.
 191         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
 192         vsx_extract_<mode>): Change type to veclogical.
 193         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
 194         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
 195         *vsx_sign_extend_si_v2di): Change type to vecexts.
 196         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
 197         type to veclogical.
 198         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
 199         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
 200         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
 201         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
 202         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
 203         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
 204         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
 205         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
 206         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
 207         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
 208         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
 209         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
 210         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
 211         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
 212         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
 213         (ppc7450-vecsimple): Add veclogical, vecmove.
 214         (ppc7450-veccmp): Add veccmpfx.
 215         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
 216         vecmove.
 217         (ppc8540_vector_compare): Add veccmpfx.
 218         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
 219         * config/rs6000/cell.md (cell-fp): Add fpsimple.
 220         (cell-vecsimple): Add veclogical, vecmove.
 221         (cell-veccmp): Add veccmpfx.
 222         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
 223         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
 224         veccmpfx.
 225         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
 226         * config/rs6000/power4.md (power4-fp): Add fpsimple.
 227         (power4-vecsimple): Add veclogical, vecmove.
 228         (power4-veccmp): Add veccmpfx.
 229         * config/rs6000/power5.md (power5-fp): Add fpsimple.
 230         * config/rs6000/power6.md (power6-fp): Add fpsimple.
 231         (power6-vecsimple): Add veclogical, vecmove.
 232         (power6-veccmp): Add veccmpfx.
 233         * config/rs6000/power7.md (power7-fp): Add fpsimple.
 234         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
 235         * config/rs6000/power8.md (power8-fp): Add fpsimple.
 236         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
 237         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
 238         * config/rs6000/titan.md (titan_fp): Add fpsimple.
 239         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
 240         fpsimple.
 241         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
 242
 243 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
 244
 245         PR target/71656
 246         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
 247         OPTION_MASK_P9_DFORM_VECTOR.
 248         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
 249         disable -mpower9-dform-vector when using reload.
 250         (quad_address_p): Remove 'gpr_p' argument and all associated code.
 251         New 'strict' argument.  Update all callers.  Add strict addressing
 252         support.
 253         (rs6000_legitimate_offset_address_p): Remove call to
 254         virtual_stack_registers_memory_p.
 255         (rs6000_legitimize_reload_address): Add quad address support.
 256         (rs6000_legitimate_address_p): Move call to quad_address_p above
 257         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
 258         to account for new strict usage.
 259         (rs6000_output_move_128bit): Adjust quad_address_p args to account
 260         for new strict usage.
 261         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
 262
 263 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
 264
 265         PR target/70902
 266         PR target/71453
 267         PR target/71555
 268         PR target/71596
 269         PR target/71657
 270         * config/i386/i386.c (ix86_spill_class): Disable condition to
 271         always return NO_REGS.
 272
 273 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
 274
 275         * predict.c: Include gimple-pretty-print.h
 276         (predicted_by_loop_heuristics_p): Check also
 277         PRED_LOOP_EXIT_WITH_RECURSION
 278         (predict_loops): Find self recursive calls and use special purpose
 279         predictors for them; dump log about decisions.
 280         (pass_profile::execute): Dump info about #of iterations.
 281         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
 282         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
 283
 284 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
 285
 286         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
 287         output_asm_insn calls and shorten long lines.  Output .CALL
 288         argument descriptor using pa_output_arg_descriptor.  Add various
 289         inline $$dyncall and other optimizations.
 290         (pa_attr_length_indirect_call): Adjust ordering and lengths.
 291
 292 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
 293
 294         PR tree-optimization/71643
 295         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
 296         EH preds.
 297
 298         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
 299         leak a bitmap if dep_bb is NULL.
 300
 301         PR tree-optimization/71631
 302         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
 303         to rewrite_expr_tree even if negate_result, move new_lhs var
 304         declaration and initialization earlier, for powi_result set afterwards
 305         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
 306         if new_lhs != lhs, and don't shadow gsi var.
 307
 308 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
 309
 310         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
 311         Add in_loop parameter.
 312         (predict_loops): Add loop guard heuristics.
 313         * predict.def (PRED_LOOP_GUARD): New heuristics.
 314
 315 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
 316
 317         * predict.c: Include ipa-utils.h
 318         (tree_bb_level_prediction): Predict recursive calls.
 319         (tree_estimate_probability_bb): Skip inexpensive calls for call
 320         predictor.
 321         * predict.def (PRED_RECURSIVE_CALL): New.
 322
 323 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 324
 325         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
 326         (BU_FLOAT128_1): Likewise.
 327         (FABSQ): Likewise.
 328         (COPYSIGNQ): Likewise.
 329         (RS6000_BUILTIN_NANQ): Likewise.
 330         (RS6000_BUILTIN_NANSQ): Likewise.
 331         (RS6000_BUILTIN_INFQ): Likewise.
 332         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
 333         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
 334         (TARGET_FOLD_BUILTIN): New #define.
 335         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
 336         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
 337         (rs6000_fold_builtin): New target hook implementation, handling
 338         folding of 128-bit NaNs and infinities.
 339         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
 340         entries are filled in to avoid problems during bootstrap
 341         self-test; define builtins for 128-bit NaNs and infinities.
 342         (rs6000_opt_mask): Add entry for float128.
 343         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
 344         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
 345         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
 346         (const_str_type_node): New #define.
 347         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
 348         to a define_expand that dispatches to either copysign<mode>3_soft
 349         or copysign<mode>3_hard.
 350         (copysign<mode>3_hard): Rename from copysign<mode>3.
 351         (copysign<mode>3_soft): New define_insn.
 352         * doc/extend.texi: Document new builtins.
 353
 354 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 355
 356         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
 357         PRIu64 instead of lu.
 358
 359 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
 360
 361         PR debug/71642
 362         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
 363         copy the type name.
 364
 365 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 366
 367         PR tree-optimization/71647
 368         * omp-low.c (lower_rec_input_clauses): Convert
 369         omp_clause_aligned_alignment (c) to size_type_node for the
 370         last argument of __builtin_assume_aligned.
 371
 372 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
 373
 374         * configure.ac (calling ___tls_get_addr via GOT): New
 375         assembler/linker check.
 376         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
 377         assembler and linker supports calling ___tls_get_addr via GOT.
 378         Otherise, defined to 0.
 379         * config.in: Regenerated.
 380         * configure: Likewise.
 381         * config/i386/constraints.md (Yb): New constraint.
 382         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
 383         (REG_CLASS_NAMES): Likewise.
 384         (REG_CLASS_CONTENTS): Likewise.
 385         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
 386         the b constraint with the Yb constraint.  Call ___tls_get_addr
 387         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
 388         is 1.
 389         (*tls_local_dynamic_base_32_gnu): Likewise.
 390         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
 391         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
 392         (*tls_local_dynamic_base_64_<mode>): Likewise.
 393
 394 2016-06-24  Martin Liska  <mliska@suse.cz>
 395
 396         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
 397         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
 398         few functions.
 399         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
 400         argument to true if the expected number of iterations is
 401         loop-based.
 402
 403 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
 404
 405         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
 406         assemble for 32bit target.
 407         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
 408         and $ld_ix86_gld_32_opt to link for 32bit target.
 409         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
 410         * configure: Regenerate.
 411
 412 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 413
 414         * config/arm/arm.c (int_log2): Delete definition and prototype.
 415         (shift_op): Use exact_log2 instead of int_log2.
 416         (vfp3_const_double_for_fract_bits): Likewise.
 417
 418 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 419
 420         * internal-fn.c (expand_arith_set_overflow): New function.
 421         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
 422         Use it.
 423         (expand_arith_overflow_result_store): Likewise.  Handle precision
 424         smaller than mode precision.
 425         * tree-vrp.c (extract_range_basic): For imag part, handle
 426         properly signed 1-bit precision result.
 427         * doc/extend.texi (__builtin_add_overflow): Document that last
 428         argument can't be pointer to enumerated or boolean type.
 429         (__builtin_add_overflow_p): Document that last argument can't
 430         have enumerated or boolean type.
 431
 432 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 433             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 434
 435         * config/rs6000/predicates.md (splat_input_operand): Rework.
 436         Don't allow constants, since the insns that use this predicate
 437         don't support constants.  Constants are handled by other insns
 438         that are created via combine.  During and after register
 439         allocation, only allow indexed or indirect addresses, and not
 440         general addresses.  Only allow modes supported by the hardware.
 441         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
 442         comment.  Move check for using VSPLTIS<x> to a common location,
 443         instead of doing it in two different places.
 444
 445 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
 446
 447         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 448         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
 449         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
 450         signature_CENTAUR_ebx.
 451
 452 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
 453
 454         PR target/66232
 455         PR target/67400
 456         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
 457         (as_ix86_gas_32_opt): This.
 458         (ld_ix86_tls_ldm_opt): Renamed to ...
 459         (ld_ix86_gld_32_opt): This.
 460         (R_386_TLS_LDM reloc): Updated.
 461         (R_386_GOT32X reloc): New assembler/linker check.
 462         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
 463         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
 464         defined to 0.
 465         * config.in: Regenerated.
 466         * configure: Likewise.
 467         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
 468         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
 469         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
 470         if ix86_force_load_from_GOT_p returns true.
 471         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
 472         ix86_force_load_from_GOT_p returns true.
 473         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
 474         the external function address via the GOT slot.
 475         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
 476         HAVE_AS_IX86_GOT32X before returning false.
 477         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
 478         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
 479
 480 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
 481
 482         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
 483
 484 2016-06-23  Andi Kleen  <ak@linux.intel.com>
 485
 486         * Makefile.in: Regenerate.
 487         * doc/install.texi: Document autoprofiledbootstrap.
 488
 489 2016-06-23  Andi Kleen  <ak@linux.intel.com>
 490
 491         * config/i386/gcc-auto-profile: New file.
 492
 493 2016-06-23  Martin Liska  <mliska@suse.cz>
 494
 495         PR middle-end/71619
 496         * predict.c (predict_loops): Revert the hunk that was removed
 497         in r237103.
 498
 499 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
 500
 501         * config.gcc: Add support for arm*-*-phoenix* targets.
 502         * config/arm/t-phoenix: New.
 503         * config/phoenix.h: New.
 504
 505 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
 506             H.J. Lu  <hongjiu.lu@intel.com>
 507
 508         PR target/67400
 509         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
 510         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
 511         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
 512         ix86_force_load_from_GOT_p returns true.
 513         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
 514         ix86_force_load_from_GOT_p returns true.
 515         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
 516         ix86_force_load_from_GOT_p returns true.
 517         (ix86_expand_move): Load the external function address via the
 518         GOT slot if ix86_force_load_from_GOT_p returns true.
 519         * config/i386/predicates.md (x86_64_immediate_operand): Return
 520         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
 521         (x86_64_zext_immediate_operand): Ditto.
 522
 523 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
 524
 525         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
 526
 527 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
 528
 529         PR c/70339
 530         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
 531         * diagnostic.c (pedwarn_at_rich_loc): New function.
 532         * spellcheck.h (best_match::best_match): Add a
 533         "best_distance_so_far" optional parameter.
 534         (best_match::set_best_so_far): New method.
 535         (best_match::get_best_distance): New accessor.
 536         (best_match::get_best_candidate_length): New accessor.
 537
 538 2016-06-22  Nick Clifton  <nickc@redhat.com>
 539
 540         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
 541         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
 542         modes are accepted as well.
 543         (ucompare_loc_descriptor): Likewise.
 544         (minmax_loc_descriptor): Likewise.
 545         (clz_loc_descriptor): Likewise.
 546         (popcount_loc_descriptor): Likewise.
 547         (bswap_loc_descriptor): Likewise.
 548         (rotate_loc_descriptor): Likewise.
 549         (mem_loc_descriptor): Likewise.
 550         (loc_descriptor): Likewise.
 551
 552 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
 553
 554         * common.opt (fdiagnostics-parseable-fixits): New option.
 555         * diagnostic.c: Include "selftest.h".
 556         (print_escaped_string): New function.
 557         (print_parseable_fixits): New function.
 558         (diagnostic_report_diagnostic): Call print_parseable_fixits.
 559         (selftest::assert_print_escaped_string): New function.
 560         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
 561         (selftest::test_print_escaped_string): New function.
 562         (selftest::test_print_parseable_fixits_none): New function.
 563         (selftest::test_print_parseable_fixits_insert): New function.
 564         (selftest::test_print_parseable_fixits_remove): New function.
 565         (selftest::test_print_parseable_fixits_replace): New function.
 566         (selftest::diagnostic_c_tests): New function.
 567         * diagnostic.h (struct diagnostic_context): Add field
 568         "parseable_fixits_p".
 569         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
 570         -fdiagnostics-parseable-fixits.
 571         (-fdiagnostics-parseable-fixits): New option.
 572         * opts.c (common_handle_option): Handle
 573         -fdiagnostics-parseable-fixits.
 574         * selftest-run-tests.c (selftest::run_tests): Call
 575         selftest::diagnostic_c_tests.
 576         * selftest.h (selftest::diagnostic_c_tests): New prototype.
 577
 578 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
 579
 580         PR tree-optimization/71488
 581         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
 582         comparison of boolean vectors.
 583         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
 584         of boolean vectors using bitwise operations.
 585
 586 2016-06-22  Andreas Schwab  <schwab@suse.de>
 587
 588         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
 589         Remove declaration.
 590
 591 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
 592
 593         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
 594
 595 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 596
 597         * config/i386/i386.c (print_reg): Emit an error message on attempt to
 598         print FLAGS_REG.
 599
 600 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 601
 602         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
 603         * config/arm/arm-cores.def (cortex-a73): New entry.
 604         (cortex-a73.cortex-a35): Likewise.
 605         (cortex-a73.cortex-a53): Likewise.
 606         * config/arm/arm-tables.opt: Regenerate.
 607         * config/arm/arm-tune.md: Likewise.
 608         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
 609         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 610         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
 611         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 612         * doc/invoke.texi (ARM Options): Document cortex-a73,
 613         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
 614
 615 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 616
 617         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
 618         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
 619         (cortex-a73.cortex-a35): Likewise.
 620         (cortex-a73.cortex-a53): Likewise.
 621         * config/aarch64/aarch64-tune.md: Regenerate.
 622         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
 623         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
 624         -mcpu and -mtune.
 625
 626 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 627
 628         * configure.ac (gcc_cv_as_compress_debug): Remove
 629         --compress-debug-sections as extra as switch.
 630         Handle gas --compress-debug-sections=type.
 631         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
 632         Handle gld --compress-debug-sections=type.
 633         * configure: Regenerate.
 634
 635 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
 636
 637         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
 638
 639 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
 640
 641         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
 642         (do_rewrite): likewise.
 643
 644 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 645
 646         * common/config/mep/mep-common.c: Remove.
 647         * config.gcc: Remove mep-* support.
 648         * config/mep/constraints.md: Remove.
 649         * config/mep/default.h: Remove.
 650         * config/mep/intrinsics.h: Remove.
 651         * config/mep/intrinsics.md: Remove.
 652         * config/mep/ivc2-template.h: Remove.
 653         * config/mep/mep-c5.cpu: Remove.
 654         * config/mep/mep-core.cpu: Remove.
 655         * config/mep/mep-default.cpu: Remove.
 656         * config/mep/mep-ext-cop.cpu: Remove.
 657         * config/mep/mep-intrin.h: Remove.
 658         * config/mep/mep-ivc2.cpu: Remove.
 659         * config/mep/mep-pragma.c: Remove.
 660         * config/mep/mep-protos.h: Remove.
 661         * config/mep/mep.c: Remove.
 662         * config/mep/mep.cpu: Remove.
 663         * config/mep/mep.h: Remove.
 664         * config/mep/mep.md: Remove.
 665         * config/mep/mep.opt: Remove.
 666         * config/mep/predicates.md: Remove.
 667         * config/mep/t-mep: Remove.
 668         * doc/install.texi: Remove mep-* documentation.
 669         * doc/md.texi: Likewise.
 670
 671 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 672
 673         * config.gcc: Remove support for avr-rtems.
 674         * config/avr/gen-avr-mmcu-specs.c: Likewise.
 675         * config/avr/rtems.h: Remove.
 676         * config/avr/t-rtems: Remove.
 677
 678 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 679
 680         * config.gcc: Remove m32r-rtems support.
 681         * config/m32r/rtems.h: Remove.
 682
 683 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 684
 685         * config.gcc: Remove h8300-rtems support.
 686         * config/h8300/rtems.h: Remove.
 687         * config/h8300/t-rtems: Remove.
 688
 689 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 690
 691         * config.gcc: Remove support for knetbsd.
 692         * configure.ac: Likewise.
 693         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
 694         * config/knetbsd-gnu.h: Remove.
 695         * configure: Regenerate.
 696
 697 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 698
 699         * config.gcc: Remove support for openbsd 2 and 3.
 700         * config/openbsd-oldgas.h: Remove.
 701
 702 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 703
 704         * config.gcc: Remove interix support.
 705         * config/i386/i386-interix.h: Remove.
 706         * config/i386/interix.opt: Remove.
 707         * config/i386/t-interix: Remove.
 708         * configure: Regenerate.
 709         * configure.ac: Remove interix support.
 710         * doc/install.texi: Remove interix documentation.
 711
 712 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 713
 714         * config/rs6000/rs6000.h: Add conditional preprocessing directives
 715         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
 716         not defined.
 717
 718 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 719
 720         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
 721         they are both PLACEHOLDER_EXPRs.
 722
 723 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 724
 725         * stor-layout.c (layout_type): Move setting complex MODE to
 726         layout_type, instead of setting it ahead of time by the caller.
 727         * tree.c (build_complex_type): Likewise.
 728
 729 2016-06-21  Martin Liska  <mliska@suse.cz>
 730
 731         * predict.c (force_edge_cold): Replace imposisble with
 732         impossible.
 733
 734 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 735
 736         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
 737         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
 738
 739 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 740
 741         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
 742
 743 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 744             Ilya Enkovich  <ilya.enkovich@intel.com>
 745
 746         PR target/71549
 747         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
 748         New member function to convert V1TImode register to SUBREG
 749         TImode in debug insn.
 750         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
 751         after changing register mode to V1TImode.
 752
 753 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
 754
 755         * config/aarch64/aarch64-cores.def (vulcan): New core.
 756         * config/aarch64/aarch64-tune.md: Regenerate.
 757         * doc/invoke.texi: Document vulcan as an available option.
 758
 759 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 760
 761         * cse.c (canon_asm_operands): New function extracted from...
 762         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
 763         either standalone or member of a PARALLEL.
 764
 765 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 766
 767         PR target/30417
 768         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
 769         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
 770         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
 771
 772 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 773
 774         PR target/71103
 775         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
 776         constant addresses if can_create_pseudo_p.
 777
 778 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
 779
 780         PR tree-optimization/71588
 781         * tree-ssa-strlen.c (valid_builtin_call): New function.
 782         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
 783         it.
 784
 785 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 786
 787         PR middle-end/71581
 788         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
 789         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
 790         for conversion of scalar user var to complex type and use the
 791         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
 792         punt.
 793
 794         PR rtl-optimization/71591
 795         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 796         don't run any tests.
 797
 798 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 799
 800         PR target/71571
 801         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 802         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 803         space for PIC with non-v32 and the common non-PIC "jump".
 804
 805 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 806
 807         PR target/71559
 808         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 809         returned values and add UN*/LTGT/*ORDERED cases with values matching
 810         D operand modifier on vcmp for AVX.
 811
 812 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 813
 814         * config/aarch64/aarch64.opt
 815         (mpc-relative-literal-loads): Rename internal option name.
 816         * config/aarch64/aarch64.c
 817         (aarch64_nopcrelative_literal_loads): Rename to
 818         aarch64_pcrelative_literal_loads.
 819         (aarch64_expand_mov_immediate): Likewise.
 820         (aarch64_secondary_reload): Likewise.
 821         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 822         (aarch64_override_options_after_change_1): Rename and simplify logic.
 823         (aarch64_classify_symbol): Merge large model checks into switch,
 824         remove pc-relative load check.
 825
 826 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 827
 828         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 829         costs relative to the cost of a register move.
 830
 831 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 832
 833         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 834         (vcvt_n_f64_u64): Likewise.
 835         (vcvt_n_s64_f64): Likewise.
 836         (vcvt_n_u64_f64): Likewise.
 837         (vcvt_f64_s64): Likewise.
 838         (vrecpe_f64): Likewise.
 839         (vcvt_f64_u64): Likewise.
 840         (vrecps_f64): Likewise.
 841
 842 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 843
 844         * config/aarch64/aarch64.md
 845         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 846         iterators.
 847         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 848         attributes.
 849         * config/aarch64/aarch64-builtins.c
 850         (aarch64_types_binop_uss_qualifiers): Delete.
 851         (TYPES_BINOP_USS): Likewise.
 852         (aarch64_types_binop_sus_qualifiers): Likewise.
 853         (TYPES_BINOP_SUS): Likewise.
 854         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 855         (TYPES_FCVTIMM_SUS): Likewise.
 856         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 857         rather than BINOP.
 858         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 859         (fcvtzs): Use SHIFTIMM rather than BINOP.
 860         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 861
 862 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 863
 864         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 865         costs relative to the cost of a register move.
 866
 867 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 868
 869         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 870         Allow scalar/single vector modes to be tieable.
 871
 872 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 873
 874         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 875
 876 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 877
 878         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 879         "alignement".
 880         * tree.h (TYPE_ALIGN): Likewise.
 881
 882 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 883
 884         PR target/71103
 885         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 886
 887 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 888
 889         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 890         literal" build warnings.
 891         (avr_print_operand_address): Dito.
 892
 893 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 894
 895         PR target/71375
 896         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 897         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 898
 899 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 900
 901         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 902
 903 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 904
 905         PR bootstrap/71435
 906         * reload1.c (reload): Pass 0 to finish_spills when called because
 907         update_eliminables_and_spill returns true and remove did_spill.
 908         (finish_spills): Adjust comment and document GLOBAL parameter.
 909
 910 2016-06-17  DJ Delorie  <dj@redhat.com>
 911
 912         PR target/71338
 913         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 914         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 915         (umulqihi3_virt): Likewise.
 916         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 917         (umulqihi3_real): Likewise.
 918
 919 2016-06-17  Martin Liska  <mliska@suse.cz>
 920
 921         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 922
 923 2016-06-17  Martin Liska  <mliska@suse.cz>
 924
 925         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 926
 927 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 928
 929         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 930         __FAST_MATH__.
 931         (vaddq_f32): Likewise.
 932         (vmul_f32): Likewise.
 933         (vmulq_f32): Likewise.
 934         (vsub_f32): Likewise.
 935         (vsubq_f32): Likewise.
 936
 937 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 938
 939         PR tree-optimization/71347
 940         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 941         cost for all uses in group.
 942
 943 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 944
 945         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 946         insert gimple seq if it's not empty.
 947
 948 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 949
 950         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 951         member OFFSET.
 952         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 953         rather than OFFSET.
 954         (comp_dr_with_seg_len_pair): Ditto.
 955         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 956         struct dr_with_seg_len_pair against DR_OFFSET.
 957         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 958         DR_OFFSET directly.
 959
 960 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 961
 962         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 963
 964 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 965
 966         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 967         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 968         (pa_output_millicode_call): Likewise.
 969         (pa_output_call): Likewise.
 970         (pa_output_indirect_call): Likewise.
 971         (pa_asm_output_mi_thunk): Likewise.
 972
 973 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 974
 975         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 976
 977 2016-06-16  Martin Liska  <mliska@suse.cz>
 978
 979         * predict.c (combine_predictions_for_insn): When we find a first
 980         match predictor, we should consider just predictors with
 981         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 982         DS theory predictor.
 983         (combine_predictions_for_bb): Likewise.
 984
 985 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 986
 987         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 988         with base of reference to struct.
 989
 990 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 991
 992         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 993
 994 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 995
 996         PR target/71151
 997         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 998         progmem_swtable_section.
 999         (progmem_swtable_section): Remove.
1000         (avr_asm_function_rodata_section): Remove.
1001         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1002         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
1003
1004 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
1005
1006         * config/i386/driver-i386.c (host_detect_local_cpu): Set
1007         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
1008         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
1009         signature_CENTAUR_ebx.
1010         * config/i386/i386.c (ix86_option_override_internal): Add
1011         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
1012         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
1013         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
1014
1015 2016-06-16  Martin Liska  <mliska@suse.cz>
1016
1017         * predict.def: Add fortran loop preheader predictor.
1018         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
1019         fold IFN_BUILTIN_EXPECT with a known constant argument.
1020
1021 2016-06-16  Martin Liska  <mliska@suse.cz>
1022
1023         * predict.def: Add 'Fortran' to display text of all
1024         PRED_FORTRAN_* predictors.
1025
1026 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         PR target/71242
1029         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
1030         [IA64_BUILTIN_NANSQ]: Ditto.
1031         (ia64_fold_builtin): New function.
1032         (TARGET_FOLD_BUILTIN): New define.
1033         (ia64_init_builtins) Declare const_string_type node.
1034         Add __builtin_nanq and __builtin_nansq builtin functions.
1035         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
1036
1037 2016-06-16  Nick Clifton  <nickc@redhat.com>
1038
1039         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
1040         MSP430_HWMULT_ prefix to enum values.
1041         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
1042         * config/msp430/msp430.c: Update use of enum values.
1043         * config/msp430/msp430.md: Likewise.
1044         * config/msp430/msp430.opt: Likewise.
1045
1046 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
1047
1048         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
1049         of comparsions in the last iteration.
1050
1051 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
1052             Joern Rennecke  <joern.rennecke@embecosm.com>
1053
1054         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
1055         addresses.
1056         (arc_needs_pcl_p): Add GOTOFFPC.
1057         (arc_legitimate_pic_addr_p): Likewise.
1058         (arc_output_pic_addr_const): Likewise.
1059         (arc_legitimize_pic_address): Generate a pc-relative address using
1060         GOTOFFPC.
1061         (arc_output_libcall): Use @pcl syntax.
1062         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
1063         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
1064         (*movsi_insn): Use @pcl syntax.
1065         (doloop_begin_i): Likewise.
1066
1067 2016-06-16  Martin Liska  <mliska@suse.cz>
1068
1069         * predict.def: Define a new predictor.
1070
1071 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
1072
1073         * config/arc/arc.opt (mtp-regno): Update text.
1074
1075 2016-06-16  Renlin Li  <renlin.li@arm.com>
1076
1077         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
1078
1079 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR target/71554
1082         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
1083         (setcc + and peephole2): Likewise.
1084
1085         PR rtl-optimization/71532
1086         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
1087         memory slots.
1088
1089 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1090
1091         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
1092         DImode constants with XXSPLTIB in vector registers.
1093         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
1094         vsx_extract_<mode>_internal{1,2} into a single insn that handles
1095         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
1096         extraction of the element at the top of the register as a scalar
1097         value.
1098         (vsx_extract_<mode>_internal1): Likewise.
1099         (vsx_extract_<mode>_internal2): Likewise.
1100         * config/rs6000/constraints.md (wi constraint): Remove a comment
1101         about DImode not being allowed in Altivec registers.
1102         (wB constraint): New constraint for constants that can be
1103         generated in Altivec registers with VSPLTISW/VUPKHSW.
1104         * config/rs6000/predicates.md (xxspltib_constant_split): Update
1105         comments.
1106         (xxspltib_constant_nosplit): Likewise.
1107         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
1108         support for -mupper-regs-di to enable DImode to go into Altivec
1109         registers.
1110         (POWERPC_MASKS): Likewise.
1111         (power7 cpu): Likewise.
1112         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
1113         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
1114         for DImode being allowed in Altivec registers.  Update wi/wj
1115         constraints.  Set scalar_in_vmx_p flag.
1116         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
1117         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
1118         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
1119         (rs6000_opt_masks): Add -mupper-regs-di.
1120         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
1121         direct move to use wi and not wj.
1122         (lfiwzx): Likewise.
1123         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
1124         alternative.
1125         (floatunssi<mode>2_lfiwzx_mem): Likewise.
1126         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
1127         any VSX register, instead of just Altivec registers, to allow
1128         either operand to be an Altivec register or both.
1129         (fixuns_trunc<mode>di2_fctiduz): Likewise.
1130         (movdi_internal32): Add support for -mupper-regs-di.  Add support
1131         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
1132         the alternatives and attributes to be lined up to be easier to
1133         read.
1134         (movdi_internal64): Likewise.
1135         (64-bit DImode splitters): Change predicates to only split loading
1136         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
1137         load constants in ISA 3.0 or ISA 2.07 respectively.
1138         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1139         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
1140         mention -mcpu=power9 sets these options.
1141         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
1142         wB constraint.
1143
1144 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1145
1146         PR target/67353
1147         * config/avr/avr.c (avr_set_current_function): Warn misspelled
1148         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
1149         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
1150         by default to warn misspelled interrupt/ signal handler.
1151         * doc/invoke.texi (AVR Options): Document it. Update description
1152         for -nodevicelib option.
1153
1154 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1155
1156         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
1157         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
1158         (aarch64_<sur>shll2_n<mode>): Likewise.
1159
1160 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
1161
1162         PR middle-end/71529
1163         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
1164         DECL_CONTEXT for copied arguments.
1165
1166 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1167
1168         PR tree-optimization/71483
1169         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
1170         for slp
1171
1172 2016-06-15  Martin Liska  <mliska@suse.cz>
1173
1174         * predict.c (tree_predict_by_opcode): Call predict_edge_def
1175         instead of predict_edge w/o a probability.
1176
1177 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1178
1179         PR tree-optimization/71439
1180         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
1181         live PHIs.
1182
1183 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1184
1185         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
1186         register subregs in SET_SRC.
1187
1188 2016-06-15  Richard Biener  <rguenther@suse.de>
1189
1190         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
1191         store restrictions.
1192
1193 2016-06-15  Richard Biener  <rguenther@suse.de>
1194
1195         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
1196         not consider dependences between accesses that belong to the
1197         same group.
1198         (vect_analyze_data_ref_dependences): Do not analyze read-read
1199         or self-dependences.
1200
1201 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1202
1203         * spellcheck-tree.c: Include spellcheck-tree.h rather than
1204         spellcheck.h.
1205         (find_closest_identifier): Reimplement in terms of
1206         best_match<tree,tree>.
1207         * spellcheck-tree.h: New file.
1208         * spellcheck.c (struct edit_distance_traits<const char *>): New
1209         struct.
1210         (find_closest_string): Reimplement in terms of
1211         best_match<const char *, const char *>.
1212         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
1213         overload to spellcheck-tree.h.
1214         (find_closest_identifier): Likewise.
1215         (struct edit_distance_traits<T>): New template.
1216         (class best_match): New class.
1217
1218 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1219
1220         * selftest-run-tests.c (selftest::run_tests): Call
1221         selftest::spellcheck_tree_c_tests.
1222         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
1223         * spellcheck-tree.c: Include selftest.h and stringpool.h.
1224         (selftest::test_find_closest_identifier): New function.
1225         (selftest::spellcheck_tree_c_tests): New function.
1226         * spellcheck.c (selftest::test_find_closest_string): Verify that
1227         the order of the vec does not affect the results for this case.
1228         (selftest::test_data): New array.
1229         (selftest::test_metric_conditions): New function.
1230         (selftest::spellcheck_c_tests): Add a test of case-comparison.
1231         Call selftest::test_metric_conditions.
1232
1233 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1234
1235         * config/rs6000/rs6000-builtin.def (commentary): Typo.
1236         (BU_P9_MISC_1): Likewise.
1237         (BU_P9_64BIT_MISC_0): Likewise.
1238         (BU_P9_MISC_0): Likewise.
1239
1240 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1241
1242         * gcc-rich-location.c
1243         (gcc_rich_location::add_fixit_misspelled_id): New method.
1244         * gcc-rich-location.h
1245         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
1246
1247 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
1248
1249         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
1250         FreeBSD 11 and above.
1251
1252 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
1255
1256 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1257
1258         * expmed.h: Close parenthesis in "at your option" in copyright
1259         boilerplate.
1260         * lower-subreg.h: Likewise.
1261
1262 2016-06-14  Richard Biener  <rguenther@suse.de>
1263
1264         PR middle-end/71526
1265         * genmatch.c (expr::gen_transform): Use in_type for comparisons
1266         if available.
1267
1268 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1269
1270         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1271         New function.
1272         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
1273         mask+shift version.
1274         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
1275         New prototype.
1276         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
1277         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
1278
1279 2016-06-14  Richard Biener  <rguenther@suse.de>
1280
1281         PR tree-optimization/71522
1282         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
1283         copying into float copying.
1284
1285 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
1286
1287         PR tree-optimization/71520
1288         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
1289         (replace_block_by): Move user labels from bb1 to bb2.
1290
1291 2016-06-14  Richard Biener  <rguenther@suse.de>
1292
1293         PR middle-end/71310
1294         PR bootstrap/71510
1295         * expr.h (get_bit_range): Declare.
1296         * expr.c (get_bit_range): Export.
1297         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
1298         word_mode again to constrain the bitfield access.
1299
1300 2016-06-14  Richard Biener  <rguenther@suse.de>
1301
1302         PR tree-optimization/71521
1303         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
1304         division int_const_binop against zero divisor.
1305
1306 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         * config/i386/i386.md (signbittf2): New expander.
1309         * config/i386/sse.md (ptesttf2): New insn pattern.
1310
1311 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1312
1313         PR bootstrap/71481
1314         * input.c (selftest::test_reading_source_line): Avoid reading from
1315         __FILE__ by creating a tempfile with known content and reading
1316         from that instead.
1317
1318 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1319
1320         * pretty-print.c (assert_pp_format_colored): Skip the test if
1321         GCC_COLORS is set.
1322         (test_pp_format): Remove comment about GCC_COLORS.
1323
1324 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1325
1326         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
1327         * pretty-print.c (assert_pp_format_va): Add location param and use
1328         it with ASSERT_STREQ_AT.
1329         (assert_pp_format): Add location param and pass it to
1330         assert_pp_format_va.
1331         (assert_pp_format_colored): Likewise.
1332         (ASSERT_PP_FORMAT_1): New.
1333         (ASSERT_PP_FORMAT_2): New.
1334         (ASSERT_PP_FORMAT_3): New.
1335         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
1336         explicitly, or implicitly via the above macros.
1337         * selftest.c (selftest::pass): Use a selftest::location rather
1338         than file and line.
1339         (selftest::fail): Likewise.  Print the function name.
1340         (selftest::fail_formatted): Likewise.
1341         (selftest::assert_streq): Use a selftest::location rather than
1342         file and line.
1343         * selftest.h (selftest::location): New struct.
1344         (SELFTEST_LOCATION): New macro.
1345         (selftest::pass): Accept a const location & rather than file
1346         and line.
1347         (selftest::fail): Likewise.
1348         (selftest::fail_formatted): Likewise.
1349         (selftest::assert_streq): Likewise.
1350         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
1351         (ASSERT_FALSE): Likewise.
1352         (ASSERT_EQ): Likewise.
1353         (ASSERT_NE): Likewise.
1354         (ASSERT_STREQ): Likewise.
1355         (ASSERT_PRED1): Likewise.
1356         (ASSERT_STREQ_AT): New macro.
1357
1358 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1359
1360         * selftest.c (selftest::fail_formatted): New function.
1361         (selftest::assert_streq): New function.
1362         * selftest.h (selftests::fail_formatted): New decl.
1363         (selftest::assert_streq): New decl.
1364         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
1365
1366 2016-06-13  Jeff Law  <law@redhat.com>
1367
1368         PR tree-optimization/71403
1369         * tree-ssa-threadbackward.c
1370         (convert_and_register_jump_thread_path): No longer accept reference
1371         to path.  Do not pop items off the path anymore.
1372         (fsm_find_control_statement_thread_paths): Do not allow threading
1373         to a deeper loop nest.  Pop the last item off the path here rather
1374         than in convert_and_register_jump_thread_path.
1375
1376 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1377             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
1378
1379         [AArch64] Emit division using the Newton series
1380
1381         * config/aarch64/aarch64-protos.h
1382         (cpu_approx_modes): Add new member "division".
1383         (aarch64_emit_approx_div): Declare new function.
1384         * config/aarch64/aarch64.c
1385         (generic_approx_modes): New member "division".
1386         (exynosm1_approx_modes): Likewise.
1387         (xgene1_approx_modes): Likewise.
1388         (aarch64_emit_approx_div): Define new function.
1389         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
1390         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
1391         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
1392         * doc/invoke.texi (-mlow-precision-div): Describe new option.
1393
1394 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1395             Wilco Dijkstra  <wilco.dijkstra@arm.com>
1396
1397         [AArch64] Emit square root using the Newton series
1398
1399         * config/aarch64/aarch64-protos.h
1400         (aarch64_emit_approx_rsqrt): Replace with new function
1401         "aarch64_emit_approx_sqrt".
1402         (cpu_approx_modes): New member "sqrt".
1403         * config/aarch64/aarch64.c
1404         (generic_approx_modes): New member "sqrt".
1405         (exynosm1_approx_modes): Likewise.
1406         (xgene1_approx_modes): Likewise.
1407         (aarch64_emit_approx_rsqrt): Replace with new function
1408         "aarch64_emit_approx_sqrt".
1409         (aarch64_override_options_after_change_1): Handle new option.
1410         * config/aarch64/aarch64-simd.md
1411         (rsqrt<mode>2): Use new function instead.
1412         (sqrt<mode>2): New expansion and insn definitions.
1413         * config/aarch64/aarch64.md: Likewise.
1414         * config/aarch64/aarch64.opt
1415         (mlow-precision-sqrt): Add new option description.
1416         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
1417
1418 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1419
1420         [AArch64] Add more choices for the reciprocal square root approximation
1421
1422         Allow a target to prefer such operation depending on the operation mode.
1423
1424         * config/aarch64/aarch64-protos.h
1425         (AARCH64_APPROX_MODE): New macro.
1426         (AARCH64_APPROX_{NONE,ALL}): Likewise.
1427         (cpu_approx_modes): New structure.
1428         (tune_params): New member "approx_modes".
1429         * config/aarch64/aarch64-tuning-flags.def
1430         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
1431         * config/aarch64/aarch64.c
1432         (generic_approx_modes): New core "cpu_approx_modes" structure.
1433         (exynosm1_approx_modes): Likewise.
1434         (xgene1_approx_modes): Likewise.
1435         (generic_tunings): New member "approx_modes".
1436         (cortexa35_tunings): Likewise.
1437         (cortexa53_tunings): Likewise.
1438         (cortexa57_tunings): Likewise.
1439         (cortexa72_tunings): Likewise.
1440         (exynosm1_tunings): Likewise.
1441         (thunderx_tunings): Likewise.
1442         (xgene1_tunings): Likewise.
1443         (use_rsqrt_p): New argument for the mode and use new member from
1444         "tune_params".
1445         (aarch64_builtin_reciprocal): Devise mode from builtin.
1446         (aarch64_optab_supported_p): New argument for the mode.
1447         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
1448
1449 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1450
1451         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
1452         RS6000_BTM_MODULO flag into the set of flags that are considered
1453         to be part of the common configuration.
1454
1455 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1456
1457         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
1458         difference unsigned.
1459         (vec_absdb): New macro for vector absolute difference unsigned
1460         byte.
1461         (vec_absdh): New macro for vector absolute difference unsigned
1462         half-word.
1463         (vec_absdw): New macro for vector absolute difference unsigned word.
1464         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
1465         (vadu<mode>3): New insn.
1466         (*p9_vadu<mode>3): New insn.
1467         * config/rs6000/rs6000-builtin.def (vadub): New built-in
1468         definition.
1469         (vaduh): New built-in definition.
1470         (vaduw): New built-in definition.
1471         (vadu): New overloaded built-in definition.
1472         (vadub): New overloaded built-in definition.
1473         (vaduh): New overloaded built-in definition.
1474         (vaduw): New overloaded built-in definition.
1475         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1476         overloaded vector absolute difference unsigned functions.
1477         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1478         the ISA 3.0 vector absolute difference unsigned built-in functions.
1479
1480 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1481
1482         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
1483         update shared_lookup_references only once after changing operands.
1484
1485 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
1486
1487         PR middle-end/71373
1488         * tree-nested.c (convert_nonlocal_omp_clauses)
1489         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
1490
1491         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
1492         * tree.def (CASE_LABEL_EXPR): Likewise.
1493
1494 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1495
1496         PR bootstrap/71481
1497         * input.c (test_builtins): Fix an assertion.
1498
1499 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1500
1501         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
1502         (paritysi2): Ditto.
1503         (isinfxf2): Ditto.
1504         (isinf<mode>2): Ditto.
1505
1506 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1507
1508         * ggc-tests.c (test_finalization): Only test need_finalization_p
1509         for GCC_VERSION >= 4003.
1510
1511 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1512
1513         * config/s390/vecintrin.h: Fix file description in comment.
1514
1515 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1516
1517         * config/s390/s390-builtin-types.def: Change builtin type naming
1518         scheme to match builtin-types.def.
1519
1520 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
1521
1522         * fold-const.c (optimize_minmax_comparison): Remove.
1523         (fold_comparison): Remove call to the above.
1524         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
1525         New transformations.
1526
1527 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
1528
1529         PR tree-optimization/71416
1530         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
1531         multiple entries
1532
1533 2016-06-13  Martin Liska  <mliska@suse.cz>
1534
1535         * predict.c (enum predictor_reason): Prefix enum with REASON_.
1536         (combine_predictions_for_insn): Likewise.
1537         (prune_predictions_for_bb): Likewise.
1538         (combine_predictions_for_bb): Likewise.
1539
1540 2016-06-13  Richard Biener  <rguenther@suse.de>
1541
1542         PR tree-optimization/71505
1543         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1544         assert match comment.
1545
1546 2016-06-13  Marek Polacek  <polacek@redhat.com>
1547
1548         PR middle-end/71476
1549         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
1550         gimplify_switch_expr.
1551         (warn_switch_unreachable_r): New function.
1552
1553 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1554
1555         PR target/71379
1556         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1557         one.
1558
1559 2016-06-13  Richard Biener  <rguenther@suse.de>
1560
1561         PR middle-end/64516
1562         * fold-const.c (fold_unary_loc): Preserve alignment when
1563         folding a VIEW_CONVERT_EXPR into a MEM_REF.
1564
1565 2016-06-13  Martin Liska  <mliska@suse.cz>
1566
1567         PR sanitizer/71458
1568         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
1569         w/ -fsanitize=bounds.
1570
1571 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1572
1573         * config/i386/i386.c (ix86_init_builtins): Calculate
1574         FLOAT128_FTYPE_CONST_STRING function type only once.
1575         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
1576         built-in functions are available for x86-32 and x86-64 targets.
1577
1578 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1579
1580         PR target/71241
1581         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
1582         New primitive type.
1583         (FLOAT128_FTYPE_CONST_STRING): New function type.
1584         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
1585         [IX86_BUILTIN_NANSQ]: Ditto.
1586         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1587         (ix86_init_builtin_types): Declare const_string_type_node.
1588         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
1589         builtin functions.
1590         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1591         * doc/extend.texi (x86 Built-in Functions): Document
1592         __builtin_nanq and __builtin_nansq.
1593
1594 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1595
1596         PR target/71061
1597         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1598         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1599         length for pop patterns.
1600         (arm_attr_length_push_multi): Update comments.
1601         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1602         attribute.
1603         (*pop_multiple_with_writeback_and_return): Likewise.
1604         (*pop_multiple_with_return): Likewise.
1605
1606 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1607
1608         PR middle-end/71310
1609         * fold-const.c (optimize_bit_field_compare): Don't try to use
1610         word_mode unconditionally for reading the bit field, look at
1611         DECL_BIT_FIELD_REPRESENTATIVE instead.
1612
1613 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1614
1615         PR middle-end/71478
1616         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1617         vector integer type.
1618
1619 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR middle-end/71494
1622         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1623         without LABEL_DECL, set *handled_ops_p to false instead of true.
1624
1625 2016-06-10  Martin Sebor  <msebor@redhat.com>
1626
1627         PR c/71392
1628         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1629         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1630         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1631         them.
1632         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1633         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1634         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1635         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1636         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1637         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1638         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1639         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1640
1641 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1642
1643         * config/arm/arm.h (pool_vector_label,
1644         return_used_this_function): Remove.
1645
1646 2016-06-10  Jeff Law  <law@redhat.com>
1647
1648         PR tree-optimization/71335
1649         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1650         zero length paths here.
1651         (convert_and_register_jump_thread_path): Remove hacks related to
1652         duplicated blocks in the jump thread path.
1653         (fsm_find_control_statement_thread_paths): Avoid putting the same
1654         block on the thread path twice, but ensure the thread path is
1655         unchanged from the caller's point of view.
1656
1657 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1658
1659         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1660         * predict.def (PRED_LOOP_BRANCH): Remove.
1661
1662 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1663
1664         * Makefile.in (OBJS): Add ggc-tests.o.
1665         (GTFILES): Add ggc-tests.c.
1666         * ggc-tests.c: New file.
1667         * selftest-run-tests.c (selftest::run_tests): Call
1668         selftest::ggc_tests_c_tests.
1669         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1670
1671 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1672
1673         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1674
1675 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1676
1677         PR sanitizer/71480
1678         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1679         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1680
1681 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1682
1683         * profile.c: Include cfgloop.h.
1684         (branch_prob): Compute estimated number of iterations.
1685         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1686         recompute estimate number of iterations from profile.
1687
1688 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1689
1690         PR inline-asm/68843
1691         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1692         must be grouped on top of stack.  Don't force early clobber
1693         on ordinary reg outputs.
1694
1695 2016-06-10  Richard Biener  <rguenther@suse.de>
1696
1697         * targhooks.c (default_builtin_vectorization_cost): Adjust
1698         vec_construct cost.
1699
1700 2016-06-10  Richard Biener  <rguenther@suse.de>
1701
1702         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1703         to fold the RHS to a constant if possible.
1704
1705 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1706
1707         PR middle-end/71373
1708         * tree-nested.c (convert_nonlocal_omp_clauses)
1709         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1710         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1711         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1712
1713         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1714         OMP_CLAUSE_TILE.
1715         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1716
1717         * omp-low.c (scan_sharing_clauses): Don't expect
1718         OMP_CLAUSE__CACHE_.
1719
1720 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1721
1722         PR tree-optimization/71407
1723         PR tree-optimization/71416
1724         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1725         BIT_FIELD_REF type.
1726
1727 2016-06-10  Richard Biener  <rguenther@suse.de>
1728
1729         PR middle-end/71477
1730         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1731
1732 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1733
1734         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1735
1736 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1737             Jiong Wang  <jiong.wang@arm.com>
1738
1739         PR rtl-optimization/70751
1740         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1741         spilled into memory.
1742
1743 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1744
1745         Revert:
1746         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1747
1748         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1749         sysroot/usr/lib/32api for additional win32 libraries,
1750         fixes failing Cygwin bootstrapping.
1751
1752 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1753
1754         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1755         Delete.
1756
1757 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1758
1759         PR bootstrap/71471
1760         * pretty-print.c (pp_indent): Specify that %p is printed in a
1761         host-dependent manner.
1762         (test_pp_format): Remove the test for %p.
1763
1764 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1765
1766         * config/mips/mips.c (mips_output_jump): Fix formatting.
1767
1768 2016-06-09  Richard Biener  <rguenther@suse.de>
1769
1770         PR tree-optimization/71462
1771         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1772         removed blocks.
1773
1774 2016-06-09  Martin Liska  <mliska@suse.cz>
1775
1776         * predict.c (dump_prediction): Add new argument.
1777         (enum predictor_reason): New enum.
1778         (struct predictor_hash): New struct.
1779         (predictor_hash::hash): New function.
1780         (predictor_hash::equal): Likewise.
1781         (not_removed_prediction_p): New function.
1782         (prune_predictions_for_bb): Likewise.
1783         (combine_predictions_for_bb): Prune predictions.
1784
1785 2016-06-09  Martin Liska  <mliska@suse.cz>
1786
1787         * predict.c (filter_predictions): New function.
1788         (remove_predictions_associated_with_edge): Use the filter
1789         function.
1790         (equal_edge_p): New function.
1791
1792 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1793
1794         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1795         Correct usage of @samp vs @option, add @samp where appropriate.
1796         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1797         Add armv6s-m and document it, as it is no official ARM name.
1798
1799 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1800
1801         * ifcvt.c (struct noce_if_info): Add transform_name field.
1802         (noce_try_move): Set if_info->transform_name to the function name.
1803         (noce_try_ifelse_collapse): Likewise.
1804         (noce_try_store_flag): Likewise.
1805         (noce_try_inverse_constants): Likewise.
1806         (noce_try_store_flag_constants): Likewise.
1807         (noce_try_addcc): Likewise.
1808         (noce_try_store_flag_mask): Likewise.
1809         (noce_try_cmove): Likewise.
1810         (noce_try_cmove_arith): Likewise.
1811         (noce_try_minmax): Likewise.
1812         (noce_try_abs): Likewise.
1813         (noce_try_sign_mask): Likewise.
1814         (noce_try_bitop): Likewise.
1815         (noce_convert_multiple_sets): Likewise.
1816         (noce_process_if_block): Print if_info->transform_name to
1817         dump_file if transformation succeeded.
1818
1819 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1820
1821         * config/arm/cortex-a57.md (cortex_a57_alu):
1822         Handle csel type.
1823
1824 2016-06-08  Martin Sebor  <msebor@redhat.com>
1825             Jakub Jelinek  <jakub@redhat.com>
1826
1827         PR c++/70507
1828         PR c/68120
1829         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1830         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1831         * builtins.c: Include gimple-fold.h.
1832         (fold_builtin_arith_overflow): Handle
1833         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1834         (fold_builtin_3): Likewise.
1835         * doc/extend.texi (Integer Overflow Builtins): Document
1836         __builtin_{add,sub,mul}_overflow_p.
1837
1838 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1839
1840         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1841         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1842
1843 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1844
1845         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1846         Rewrite, looking one level down for records and arrays.
1847
1848 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1849
1850         * pretty-print.c: Include "selftest.h".
1851         (pp_format): Fix comment.
1852         (identifier_to_locale): Likewise.
1853         (selftest::test_basic_printing): New function.
1854         (selftest::assert_pp_format): New function.
1855         (selftest::test_pp_format): New function.
1856         (selftest::pretty_print_c_tests): New function.
1857         * selftest-run-tests.c (selftest::run_tests): Call
1858         selftest::pretty_print_c_tests.
1859         * selftest.h (pretty_print_c_tests): New declaration.
1860
1861 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1862
1863         * invoke.texi (max-loop-headers-insns): Document.
1864         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1865         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1866         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1867
1868 2016-06-08  Richard Biener  <rguenther@suse.de>
1869
1870         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1871         on strided SLP loads and fall back to scalar loads in case
1872         we can't chunk them.
1873
1874 2016-06-08  Richard Biener  <rguenther@suse.de>
1875
1876         PR tree-optimization/71452
1877         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1878         type used for the SSA rewrite has enough precision to cover
1879         the dynamic type of the location.
1880
1881 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1882             Richard Biener  <rguenther@suse.de>
1883
1884         PR c++/71448
1885         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1886         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1887         in one further place.
1888
1889 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1890
1891         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1892         to one word if the field is known to overlap other words.
1893         (extract_bit_field_1): Likewise.
1894         (store_split_bit_field): Remove compensating code.
1895         (extract_split_bit_field): Likewise.
1896
1897 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1898
1899         PR debug/71432
1900         PR ada/71413
1901         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1902
1903 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1904
1905         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1906         VDQF.
1907         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1908         (arch64_addpv4sf): Delete.
1909         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1910         "gen_aarch64_addpv4sf".
1911         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1912         builtin.
1913         (vpadds_f32): Likewise.
1914         (vpaddq_f32): Likewise.
1915         (vpaddq_f64): Likewise.
1916
1917 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1918
1919         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1920         VALLF.
1921         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1922         to VALLF.  Rename to "fabd<mode>3".
1923         "*fabd_scalar<mode>3): Delete.
1924         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1925         Use builtin.
1926         (vabdd_f64): Likewise.
1927         (vabd_f32): Likewise.
1928         (vabd_f64): Likewise.
1929         (vabdq_f32): Likewise.
1930         (vabdq_f64): Likewise.
1931
1932 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1933
1934         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1935         VALLF.
1936         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1937         "aarch64_rsqrts<mode>".
1938         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1939         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1940         builtin.
1941         (vrsqrtsd_f64): Likewise.
1942         (vrsqrts_f32): Likewise.
1943         (vrsqrts_f64): Likewise.
1944         (vrsqrtsq_f32): Likewise.
1945         (vrsqrtsq_f64): Likewise.
1946
1947 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1948
1949         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1950         VALLF.
1951         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1952         "aarch64_rsqrte<mode>".
1953         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1954         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1955         builtin.
1956         (vrsqrted_f64): Likewise.
1957         (vrsqrte_f32): Likewise.
1958         (vrsqrte_f64): Likewise.
1959         (vrsqrteq_f32): Likewise.
1960         (vrsqrteq_f64): Likewise.
1961
1962 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1963
1964         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1965         (ucvtf): Likewise.
1966         (fcvtzs): Likewise.
1967         (fcvtzu): Likewise.
1968         * config/aarch64/aarch64-simd.md
1969         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1970         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1971         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1972         Use builtin.
1973         (vcvt_n_f32_u32): Likewise.
1974         (vcvt_n_s32_f32): Likewise.
1975         (vcvt_n_u32_f32): Likewise.
1976         (vcvtq_n_f32_s32): Likewise.
1977         (vcvtq_n_f32_u32): Likewise.
1978         (vcvtq_n_f64_s64): Likewise.
1979         (vcvtq_n_f64_u64): Likewise.
1980         (vcvtq_n_s32_f32): Likewise.
1981         (vcvtq_n_s64_f64): Likewise.
1982         (vcvtq_n_u32_f32): Likewise.
1983         (vcvtq_n_u64_f64): Likewise.
1984         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1985         (VSDQ_SDI): Likewise.
1986         (fcvt_target): Support V4DI, V4SI and V2SI.
1987         (FCVT_TARGET): Likewise.
1988
1989 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1990
1991         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1992         (TYPES_BINOP_SUS): Likewise.
1993         (aarch64_simd_builtin_data): Update include file name.
1994         (aarch64_builtins): Likewise.
1995         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1996         for conversion between scalar float-point and fixed-point.
1997         (ucvtf): Likewise.
1998         (fcvtzs): Likewise.
1999         (fcvtzu): Likewise.
2000         * config/aarch64/aarch64.md
2001         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
2002         pattern for conversion between scalar float to fixed-pointer.
2003         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
2004         (UNSPEC_FCVTZS): New UNSPEC enumeration.
2005         (UNSPEC_FCVTZU): Likewise.
2006         (UNSPEC_SCVTF): Likewise.
2007         (UNSPEC_UCVTF): Likewise.
2008         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
2009         Use builtin.
2010         (vcvtd_n_f64_u64): Likewise.
2011         (vcvtd_n_s64_f64): Likewise.
2012         (vcvtd_n_u64_f64): Likewise.
2013         (vcvtd_n_f32_s32): Likewise.
2014         (vcvts_n_f32_u32): Likewise.
2015         (vcvtd_n_s32_f32): Likewise.
2016         (vcvts_n_u32_f32): Likewise.
2017         * config/aarch64/iterators.md (fcvt_target): Support integer to float
2018         mapping.
2019         (FCVT_TARGET): Likewise.
2020         (FCVT_FIXED2F): New iterator.
2021         (FCVT_F2FIXED): Likewise.
2022         (fcvt_fixed_insn): New define_int_attr.
2023
2024 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
2025
2026         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
2027         some statements was removed.
2028
2029 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
2030
2031         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
2032         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
2033         (vect_can_advance_ivs_p): likewise.
2034         (vect_update_ivs_after_vectorizer): likewise.
2035         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
2036         (vect_analyze_scalar_cycles_1): likewise.
2037         (vect_analyze_loop_operations): likewise.
2038         (report_vect_op): likewise.
2039         (vect_is_slp_reduction): likewise.
2040         (vect_is_simple_reduction): likewise.
2041         (get_initial_def_for_induction): likewise.
2042         (vect_transform_loop): likewise.
2043         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
2044         (vect_recog_sad_pattern): likewise.
2045         (vect_recog_widen_sum_pattern): likewise.
2046         (vect_recog_widening_pattern): likewise.
2047         (vect_recog_divmod_pattern): likewise.
2048         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
2049         (vect_analyze_slp_instance): likewise.
2050         (vect_transform_slp_perm_load): likewise.
2051         (vect_schedule_slp_instance): likewise.
2052
2053 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
2054
2055         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
2056         (return_prediction): PRED_CONST_RETURN predict return as not taken.
2057         * predict.def (PRED_CONTINUE): Change hitrate 50->67
2058         (PRED_LOOP_BRANCH): Document predictor as broken.
2059         (PRED_LOOP_EXIT): Change hitrate 91->92.
2060         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
2061         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
2062         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
2063         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
2064         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
2065         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
2066         (PRED_CALL): Chane hitrate 71->67.
2067         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
2068         (PRED_GOTO): Document as unused right now.
2069         (PRED_CONST_RETURN): Change hitrate 67->69
2070         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
2071         (PRED_NULL_RETURN): Change hitrate 91->90.
2072         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
2073         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
2074         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
2075
2076 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
2077
2078         * config/rs6000/altivec.h: Add __builtin_vec_mul.
2079         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
2080         special case Altivec builtin.
2081         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
2082         VSX_BUILTIN_VEC_MUL (replaced with special case code).
2083         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2084         code for ALTIVEC_BUILTIN_VEC_MUL.
2085         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2086         for __builtin_vec_mul.
2087
2088 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
2089
2090         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
2091         -mno-htm.
2092
2093 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
2094
2095         * spellcheck.c (selftest::test_find_closest_string): New function.
2096         (spellcheck_c_tests): Call the above.
2097
2098 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2099
2100         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
2101
2102 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
2103
2104         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
2105         Yv=Yv,C alternatives.
2106
2107 2016-06-07  Richard Biener  <rguenther@suse.de>
2108
2109         PR c/61564
2110         * common.opt (ffast-math): Make Optimization.
2111
2112 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
2113             Prachi Godbole  <prachi.godbole@imgtec.com>
2114
2115         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
2116         `fabs' and `fneg' type attributes.
2117         (p5600_fpu_fabs): Add `fmove' to the comment.
2118
2119 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
2120
2121         * gimple.c: Include builtins.h
2122         (gimple_inexpensive_call_p): New function.
2123         * gimple.h (gimple_inexpensive_call_p): Declare.
2124         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
2125         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
2126         fix formatting.
2127
2128 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
2129
2130         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
2131         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
2132         warning_at_rich_loc, warning_n, pedwarn, permerror,
2133         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
2134         sorry, fatal_error, internal_error, internal_error_no_backtrace):
2135         Use the above.
2136
2137 2016-06-07  Richard Biener  <rguenther@suse.de>
2138
2139         PR tree-optimization/71428
2140         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
2141         BIT_FIELD_REF op vs. load.
2142
2143 2016-06-07  Richard Biener  <rguenther@suse.de>
2144
2145         PR middle-end/71423
2146         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2147         for signed ops.
2148
2149 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2150
2151         * config/pa/pa.md (call): Generate indirect long calls to non-local
2152         functions on TARGET_64BIT.
2153         (call_value): Likewise.
2154
2155 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2156
2157         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
2158         pattern and subsequent splitters.
2159         (call_val_reg_64bit_post_reload): Likewise.
2160
2161 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2162
2163         PR middle-end/71408
2164         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
2165         propagate_op_to_single_use.
2166
2167 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2168
2169         PR middle-end/71281
2170         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
2171
2172 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
2173
2174         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
2175         (enum x86_dirflag_state): New enum.
2176         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
2177         (machine_function): Remove needs_cld.
2178         (ix86_current_function_needs_cld): Remove.
2179         * config/i386/i386.c (ix86_set_func_type): Set
2180         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
2181         (ix86_expand_prologue): Do not emit CLD here.
2182         (ix86_dirflag_mode_needed): New function.
2183         (ix86_dirflag_mode_entry): Ditto.
2184         (ix86_mode_needed): Handle X86_DIRFLAG entity.
2185         (ix86_mode_after): Ditto.
2186         (ix86_mode_entry): Ditto.
2187         (ix86_mode_exit): Ditto.
2188         (ix86_emit_mode_set): Ditto.
2189         * config/i386/i386.md (strmov_singleop): Set
2190         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
2191         Do not set ix86_current_function_needs_cld.
2192         (rep_mov): Ditto.
2193         (strset_singleop): Ditto.
2194         (rep_stos): Ditto.
2195         (cmpstrnqi_nz_1): Ditto.
2196         (cmpstrnqi_1): Ditto.
2197         (strlenqi_1): Ditto.
2198
2199 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR tree-optimization/71259
2202         * tree-vect-slp.c (vect_get_constant_vectors): For
2203         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
2204         one for constant op, and use COND_EXPR for non-constant.
2205
2206 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
2207
2208         * Makefile.in (OBJS): Add function-tests.o,
2209         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
2210         selftest-run-tests.o.
2211         (OBJS-libcommon): Add selftest.o.
2212         (OBJS-libcommon-target): Add selftest.o.
2213         (all.internal): Add "selftest".
2214         (all.cross): Likewise.
2215         (selftest): New phony target.
2216         (s-selftest): New target.
2217         (selftest-gdb): New phony target.
2218         (COLLECT2_OBJS): Add selftest.o.
2219         * bitmap.c: Include "selftest.h".
2220         (selftest::test_gc_alloc): New function.
2221         (selftest::test_set_range): New function.
2222         (selftest::test_clear_bit_in_middle): New function.
2223         (selftest::test_copying): New function.
2224         (selftest::test_bitmap_single_bit_set_p): New function.
2225         (selftest::bitmap_c_tests): New function.
2226         * common.opt (fself-test): New.
2227         * diagnostic-show-locus.c: Include "selftest.h".
2228         (make_range): New function.
2229         (test_range_contains_point_for_single_point): New function.
2230         (test_range_contains_point_for_single_line): New function.
2231         (test_range_contains_point_for_multiple_lines): New function.
2232         (assert_eq): New function.
2233         (test_get_line_width_without_trailing_whitespace): New function.
2234         (selftest::diagnostic_show_locus_c_tests): New function.
2235         * et-forest.c: Include "selftest.h".
2236         (selftest::test_single_node): New function.
2237         (selftest::test_simple_tree): New function.
2238         (selftest::test_disconnected_nodes): New function.
2239         (selftest::et_forest_c_tests): New function.
2240         * fold-const.c: Include "selftest.h".
2241         (selftest::assert_binop_folds_to_const): New function.
2242         (selftest::assert_binop_folds_to_nonlvalue): New function.
2243         (selftest::test_arithmetic_folding): New function.
2244         (selftest::fold_const_c_tests): New function.
2245         * function-tests.c: New file.
2246         * gimple.c: Include "selftest.h".
2247         Include "gimple-pretty-print.h".
2248         (selftest::verify_gimple_pp): New function.
2249         (selftest::test_assign_single): New function.
2250         (selftest::test_assign_binop): New function.
2251         (selftest::test_nop_stmt): New function.
2252         (selftest::test_return_stmt): New function.
2253         (selftest::test_return_without_value): New function.
2254         (selftest::gimple_c_tests): New function.
2255         * hash-map-tests.c: New file.
2256         * hash-set-tests.c: New file.
2257         * input.c: Include "selftest.h".
2258         (selftest::assert_loceq): New function.
2259         (selftest::test_accessing_ordinary_linemaps): New function.
2260         (selftest::test_unknown_location): New function.
2261         (selftest::test_builtins): New function.
2262         (selftest::test_reading_source_line): New function.
2263         (selftest::input_c_tests): New function.
2264         * rtl-tests.c: New file.
2265         * selftest-run-tests.c: New file.
2266         * selftest.c: New file.
2267         * selftest.h: New file.
2268         * spellcheck.c: Include "selftest.h".
2269         (selftest::levenshtein_distance_unit_test_oneway): New function,
2270         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
2271         (selftest::levenshtein_distance_unit_test): Likewise.
2272         (selftest::spellcheck_c_tests): Likewise.
2273         * toplev.c: Include selftest.h.
2274         (toplev::run_self_tests): New.
2275         (toplev::main): Handle -fself-test.
2276         * toplev.h (toplev::run_self_tests): New.
2277         * tree.c: Include "selftest.h".
2278         (selftest::test_integer_constants): New function.
2279         (selftest::test_identifiers): New function.
2280         (selftest::test_labels): New function.
2281         (selftest::tree_c_tests): New function.
2282         * tree-cfg.c: Include "selftest.h".
2283         (selftest::push_fndecl): New function.
2284         (selftest::test_linear_chain): New function.
2285         (selftest::test_diamond): New function.
2286         (selftest::test_fully_connected): New function.
2287         (selftest::tree_cfg_c_tests): New function.
2288         * vec.c: Include "selftest.h".
2289         (selftest::safe_push_range): New function.
2290         (selftest::test_quick_push): New function.
2291         (selftest::test_safe_push): New function.
2292         (selftest::test_truncate): New function.
2293         (selftest::test_safe_grow_cleared): New function.
2294         (selftest::test_pop): New function.
2295         (selftest::test_safe_insert): New function.
2296         (selftest::test_ordered_remove): New function.
2297         (selftest::test_unordered_remove): New function.
2298         (selftest::test_block_remove): New function.
2299         (selftest::reverse_cmp): New function.
2300         (selftest::test_qsort): New function.
2301         (selftest::vec_c_tests): New function.c.
2302         * wide-int.cc: Include selftest.h and wide-int-print.h.
2303         (selftest::from_int <wide_int>): New function.
2304         (selftest::from_int <offset_int>): New function.
2305         (selftest::from_int <widest_int>): New function.
2306         (selftest::assert_deceq): New function.
2307         (selftest::assert_hexeq): New function.
2308         (selftest::test_printing <VALUE_TYPE>): New function template.
2309         (selftest::test_ops <VALUE_TYPE>): New function template.
2310         (selftest::test_comparisons <VALUE_TYPE>): New function template.
2311         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
2312         template.
2313         (selftest::wide_int_cc_tests): New function.
2314
2315 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2316
2317         PR middle-end/37780
2318         * ifcvt.c (noce_try_ifelse_collapse): New function.
2319         Declare prototype.
2320         (noce_process_if_block): Call noce_try_ifelse_collapse.
2321         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
2322         (simplify_ternary_operation): Use the above to simplify
2323         conditional CLZ/CTZ expressions.
2324
2325 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2326
2327         PR middle-end/37780
2328         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
2329         define_insn_and_split.
2330
2331 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2332
2333         PR middle-end/37780
2334         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
2335
2336 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2337
2338         PR c/24414
2339         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
2340         Implicitly clobber memory for basic asm with non-empty assembler
2341         string.  Use targetm.md_asm_adjust also here.
2342         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
2343         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
2344         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
2345         non-empty assembler string.
2346         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
2347         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
2348         (decode_asm_operands): Handle basic asm in PARALLEL block.
2349         (extract_insn): Handle basic asm in PARALLEL block.
2350         * doc/extend.texi: Mention new behavior of basic asm.
2351         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
2352         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
2353         branch_needs_nop_p): Use asm_noperands.
2354
2355 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
2356
2357         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
2358         Include the M7 SPARC DFA scheduler.
2359         New attribute v3pipe.
2360         Annotate insns with v3pipe where appropriate.
2361         Define cpu_feature vis4.
2362         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
2363         Add (V8QI "8") to vbits.
2364         Add insns {add,sub}v8qi3
2365         Add insns ss{add,sub}v8qi3
2366         Add insns us{add,sub}{v8qi,v4hi}3
2367         Add insns {min,max}{v8qi,v4hi,v2si}3
2368         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
2369         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
2370         * config/sparc/niagara4.md: Add a comment explaining the
2371         discrepancy between the documented latenty numbers and the
2372         implemented ones.
2373         * config/sparc/niagara7.md: New file.
2374         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
2375         supports SPARC5 and VIS 4.0 instructions.
2376         * configure: Regenerate.
2377         * config.in: Likewise.
2378         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
2379         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
2380         TARGET_CPU_niagara7.
2381         (ASM_CPU64_DEFAULT_SPEC): Likewise.
2382         (CPP_CPU_SPEC): Handle niagara7.
2383         (ASM_CPU_SPEC): Likewise.
2384         * config/sparc/sparc-opts.h (processor_type): Add
2385         PROCESSOR_NIAGARA7.
2386         (mvis4): New option.
2387         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
2388         (AS_NIAGARA7_FLAG): Define.
2389         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
2390         (CPP_CPU64_DEFAULT_SPEC): Likewise.
2391         (CPP_CPU_SPEC): Handle niagara7.
2392         (ASM_CPU_SPEC): Likewise.
2393         * config/sparc/sparc.c (niagara7_costs): Define.
2394         (sparc_option_override): Handle niagara7 and adjust cache-related
2395         parameters with better values for niagara cpus.  Also support VIS4.
2396         (sparc32_initialize_trampoline): Likewise.
2397         (sparc_use_sched_lookahead): Likewise.
2398         (sparc_issue_rate): Likewise.
2399         (sparc_register_move_cost): Likewise.
2400         (dump_target_flag_bits): Support VIS4.
2401         (sparc_vis_init_builtins): Likewise.
2402         (sparc_builtins): Likewise.
2403         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
2404         VIS4 4.0.
2405         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
2406         UltraSparc M7.
2407         * config/sparc/sparc.opt (sparc_processor_type): New value
2408         niagara7.
2409         * config/sparc/visintrin.h (__attribute__): Prototypes for the
2410         VIS4 builtins.
2411         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
2412         -mvis4.
2413         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
2414         VIS4 builtins.
2415
2416 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
2417
2418         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
2419
2420 2016-06-06  Richard Biener  <rguenther@suse.de>
2421
2422         PR tree-optimization/71398
2423         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
2424         remove edges.
2425
2426 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
2427
2428         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
2429         ft32_expand_prolog, ft32_expand_epilogue):
2430         Handle pretend_args.
2431         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
2432         * config/ft32/ft32.md: Add pretend_returner.
2433
2434 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
2435
2436         PR target/71389
2437         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2438         Copy op1 RTX to avoid invalid sharing.
2439         (ix86_expand_vector_move_misalign): Ditto.
2440
2441 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
2442
2443         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
2444         ATTRIBUTE_UNUSED.
2445
2446 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2447
2448         * predict.c (predicted_by_loop_heuristics_p): New function.
2449         (predict_iv_comparison): Use it.
2450         (predict_loops): Walk from innermost loops; do not predict edges
2451         leaving multiple loops multiple times; implement
2452         PRED_LOOP_ITERATIONS_MAX heuristics.
2453         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
2454
2455 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2456
2457         * cfg.c (check_bb_profile): Do not report mismatched profiles when
2458         only edges out of BB are EH edges.
2459
2460 2016-06-04  Martin Sebor  <msebor@redhat.com>
2461             Marcin Baczyński  <marbacz@gmail.com>
2462
2463         PR c/48116
2464         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
2465         a void expression in a void function.
2466
2467 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2468
2469         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
2470         aux; dump reasons of decisions.
2471         (should_duplicate_loop_header_p): Likewise.
2472         (do_while_loop_p): Likewise.
2473         (ch_base::copy_headers): Dump asi num insns duplicated.
2474
2475 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
2476
2477         PR tree-optimization/71405
2478         * tree-ssa.c (execute_update_addresses_taken): For clobber with
2479         incompatible type, build a new clobber with the right type instead
2480         of building a VIEW_CONVERT_EXPR around it.
2481
2482 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2483
2484         PR tree-optimization/52171
2485         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
2486         by_pieces_ninsns instead of move_by_pieces_ninsns.
2487
2488 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2489
2490         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
2491         for reg+reg addressing mode.
2492
2493 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2494
2495         * rs6000-c.c (c/c-tree.h): Add #include.
2496         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
2497         in C++ when found in the base position of vec_ld or vec_st.
2498
2499 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2500
2501         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
2502         use of profile unless profile status is PROFILE_READ.
2503         * profile.c (compute_branch_probabilities): Set profile status
2504         only after reporting predictor hitrates.
2505
2506 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
2507
2508         PR target/71276
2509         PR target/71277
2510         * common.opt (ffp-int-builtin-inexact): New option.
2511         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2512         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2513         (ceil@var{m}2): Document dependence on this option.
2514         * ipa-inline-transform.c (inline_call): Handle
2515         flag_fp_int_builtin_inexact.
2516         * ipa-inline.c (can_inline_edge_p): Likewise.
2517         * config/i386/i386.md (rintxf2): Do not test
2518         flag_unsafe_math_optimizations.
2519         (rint<mode>2_frndint): New define_insn.
2520         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
2521         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
2522         for 387 instead of extending and truncating.
2523         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
2524         !flag_trapping_math instead of flag_unsafe_math_optimizations.
2525         Change to frndint<mode>2_<rounding>.
2526         (frndintxf2_<rounding>_i387): Likewise.  Change to
2527         frndint<mode>2_<rounding>_i387.
2528         (<rounding_insn>xf2): Likewise.
2529         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
2530         !flag_trapping_math instead of flag_unsafe_math_optimizations for
2531         x87.  Test TARGET_ROUND || !flag_trapping_math ||
2532         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
2533         SSE.  Use ROUND_NO_EXC in constant operand of
2534         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
2535         for 387 instead of extending and truncating.
2536
2537 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2538             Julia Koval  <julia.koval@intel.com>
2539
2540         PR target/66960
2541         PR target/67630
2542         PR target/67634
2543         PR target/67841
2544         PR target/68037
2545         PR target/68618
2546         PR target/68661
2547         PR target/69575
2548         PR target/69596
2549         PR target/69734
2550         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
2551         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
2552         all registers, except for function return registers if there are
2553         no caller-saved registers.
2554         (ix86_set_func_type): New function.
2555         (ix86_set_current_function): Call ix86_set_func_type to set
2556         no_caller_saved_registers and func_type.  Call reinit_regs if
2557         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
2558         nor x87 instructions in interrupt handler nor function with
2559         no_caller_saved_registers attribute.
2560         (ix86_function_ok_for_sibcall): Return false if there are no
2561         caller-saved registers.
2562         (type_natural_mode): Don't warn ABI change for MMX in interrupt
2563         handler.
2564         (ix86_function_arg_advance): Skip for callee in interrupt handler.
2565         (ix86_function_arg): Return special arguments in interrupt handler.
2566         (ix86_promote_function_mode): Promote pointer to word_mode only
2567         for normal functions.
2568         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
2569         interrupt handler.
2570         (ix86_epilogue_uses): New function.
2571         (ix86_hard_regno_scratch_ok): Likewise.
2572         (ix86_save_reg): Preserve all registers in interrupt handler
2573         after reload.  Preserve all registers, except for function return
2574         registers, if there are no caller-saved registers after reload.
2575         (find_drap_reg): Always use callee-saved register if there are
2576         no caller-saved registers.
2577         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
2578         for interrupt handler.
2579         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
2580         Emit cld instruction if stringops are used in interrupt handler
2581         or interrupt handler isn't a leaf function.
2582         (ix86_expand_epilogue): Generate interrupt return for interrupt
2583         handler and pop the 'ERROR_CODE' off the stack before interrupt
2584         return in exception handler.
2585         (ix86_expand_call): Disallow calling interrupt handler directly.
2586         If there are no caller-saved registers, mark all registers that
2587         are clobbered by the call which returns as clobbered.
2588         (ix86_handle_no_caller_saved_registers_attribute): New function.
2589         (ix86_handle_interrupt_attribute): Likewise.
2590         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
2591         attributes.
2592         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
2593         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
2594         accumulation in interrupt function if stack may be realigned to
2595         avoid DRAP.
2596         (EPILOGUE_USES): New.
2597         (function_type): New enum.
2598         (machine_function): Add func_type and no_caller_saved_registers.
2599         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2600         (interrupt_return): New pattern.
2601         * doc/extend.texi: Document x86 interrupt and
2602         no_caller_saved_registers attributes.
2603
2604 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2605
2606         PR tree-optimization/52171
2607         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2608         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2609         Look for constant strings.  Move some code to emit_block_cmp_hints
2610         and use it.
2611         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2612         * defaults.h (COMPARE_MAX_PIECES): New macro.
2613         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2614         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2615         (clear_by_pieces_1): Don't declare.  Move definition before use.
2616         (can_do_by_pieces): New static function.
2617         (can_move_by_pieces): Use it.  Return bool.
2618         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2619         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2620         (class pieces_addr); New.
2621         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2622         pieces_addr::adjust, pieces_addr::increment_address,
2623         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2624         functions for it.
2625         (class op_by_pieces_d): New.
2626         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2627         functions for it.
2628         (class move_by_pieces_d, class compare_by_pieces_d,
2629         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2630         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2631         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2632         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2633         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2634         compare_by_pieces_d::finish_mode): New member functions.
2635         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2636         functions.
2637         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2638         (emit_block_cmp_hints): New function.
2639         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2640         use the newly defined classes.
2641         * expr.h (by_pieces_constfn): New typedef.
2642         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2643         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2644         (move_by_pieces_ninsns): Don't declare.
2645         (can_move_by_pieces): Change return value to bool.
2646         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2647         (compare_by_pieces_branch_ratio): New hook.
2648         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2649         (by_pieces_ninsns): Declare.
2650         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2651         COMPARE_BY_PIECES.
2652         (default_compare_by_pieces_branch_ratio): New function.
2653         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2654         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2655         * doc/tm.texi: Regenerate.
2656         * tree-ssa-strlen.c: Include "builtins.h".
2657         (handle_builtin_memcmp): New static function.
2658         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2659         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2660
2661 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2662
2663         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2664         relevant stmts which are simple and invariant.
2665         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2666         instead of simple and invariant
2667
2668 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2669
2670         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2671         (vectorizable_reduction): Check for new relevant state.
2672         (vectorizable_live_operation): vectorize live stmts using
2673         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2674         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2675         (vect_stmt_relevant_p): Check for stmts which are only used live.
2676         (process_use): Use of a stmt does not inherit it's live value.
2677         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2678         (vect_analyze_stmt): Check for new relevant state.
2679         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2680         outside the loop, but not inside it.
2681
2682 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2683
2684         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2685         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2686         (vect_get_vec_def_for_operand): Split out code.
2687
2688 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2689
2690         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2691
2692 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2693
2694         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2695
2696 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2697
2698         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2699
2700 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2701
2702         PR middle-end/71387
2703         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2704         to noreturn e->callee->decl that has void return type and void
2705         arguments, adjust gimple_call_fntype and remove lhs even if it had
2706         previously addressable type.
2707
2708 2016-06-02  Jeff Law  <law@redhat.com>
2709
2710         PR tree-optimization/71328
2711         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2712         error when checking for a jump back onto the copied path.
2713
2714 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2715
2716         * config/microblaze/microblaze.c (get_branch_target): Add return
2717         NULL_RTX for the non-CALL_P case.
2718         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2719         (insert_wic): Remove unused local "j".
2720
2721 2016-06-02  Martin Liska  <mliska@suse.cz>
2722
2723         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2724
2725 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2726             Julia Koval  <julia.koval@intel.com>
2727
2728         * function.c (assign_parm_setup_stack): Force source into a
2729         register if needed.
2730         * target.def (function_incoming_arg): Update documentation to
2731         allow arbitrary address computation based on hard register.
2732         * doc/tm.texi: Regenerated.
2733
2734 2016-06-02  Martin Liska  <mliska@suse.cz>
2735
2736         * predict.c (combine_predictions_for_bb): Fix first match in
2737         cases where a first predictor contains more than one occurence
2738         in list of predictors.  Take the best value in such case.
2739
2740 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2741
2742         PR rtl-optimization/71295
2743         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2744         offset would go over the size of the inner mode reject it.
2745
2746 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2747
2748         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2749         x=x,x and v=v,m instead of x=x,m.
2750
2751         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2752         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2753         alternative to v=rm,C.
2754
2755         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2756         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2757         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2758         instead of vex for the last two above mentioned alternatives.
2759
2760 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2761
2762         PR target/70830
2763         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2764
2765 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2766
2767         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2768
2769 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2770
2771         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2772         from int to unsigned.
2773
2774 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2775
2776         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2777         alternatives, eliminating preferred register class.  Add support
2778         for the MTVSRDD instruction in ISA 3.0.
2779         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2780         reg_or_indexed_operand.
2781         (vsx_splat_v4sf_internal): Likewise.
2782
2783 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2784
2785         PR target/71186
2786         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2787         for loading up all 0's or all 1's.
2788
2789 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2790
2791         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2792
2793 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2794
2795         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2796         extension.
2797         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2798         * gcc.c (set_source_date_epoch_envvar): New function, sets
2799         the SOURCE_DATE_EPOCH environment variable to the current time.
2800
2801 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2802
2803         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2804         the factor for live Phi nodes.
2805
2806 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2807
2808         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2809         * tree-parloops.c (parallelize_loops): likewise.
2810         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2811         tree_unswitch_outer_loop): likewise.
2812
2813 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR middle-end/71371
2816         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2817         around creation of the temporary.
2818
2819 2016-06-01  Richard Biener  <rguenther@suse.de>
2820
2821         PR tree-optimization/71366
2822         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2823         (unloop_loops): Move removing edges here ...
2824         (try_unroll_loop_completely): ... from here.
2825         (try_peel_loop): ... and here.
2826         (tree_unroll_loops_completely_1): Track parent loops via
2827         bitmap of header BBs.
2828         (tree_unroll_loops_completely): Adjust for that.
2829
2830 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2831
2832         * config/rs6000/altivec.h (vec_slv): New macro.
2833         (vec_srv): New macro.
2834         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2835         (UNSPEC_VSRV): New value.
2836         (vslv): New insn.
2837         (vsrv): New insn.
2838         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2839         (vsrv): New builtin definition.
2840         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2841         define argument types for new builtin.
2842         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2843         new builtin.
2844         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2845         functions.
2846
2847 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2848             Jocelyn Mayer  <l_indien@magic.fr>
2849
2850         PR target/67310
2851         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2852         detect processor family for signature_CENTAUR_ebx.
2853         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2854         signature_CENTAUR_ebx.
2855         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2856         <default>: Pass x86-64 for has_longmode.
2857
2858 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2859
2860         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2861         undefined weak.
2862
2863 2016-06-01  Richard Biener  <rguenther@suse.de>
2864
2865         PR tree-optimization/71261
2866         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2867         of stmts successfully put in the bool pattern.  Remove
2868         single-use restriction.
2869         (adjust_bool_pattern_cast): Add cast at the use site via the
2870         pattern def sequence.
2871         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2872         of patterned defs.  Use the pattern def seqence instead of
2873         multiple independent patterns.
2874         (sort_after_uid): New qsort compare function.
2875         (adjust_bool_stmts): New function to process stmts in the bool
2876         pattern in IL order.
2877         (vect_recog_bool_pattern): Adjust.
2878         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2879         (ifcvt_walk_pattern_tree): Likewise.
2880         (stmt_is_root_of_bool_pattern): Likewise.
2881         (ifcvt_repair_bool_pattern): Likewise.
2882         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2883
2884 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2885
2886         * loop-unroll.c (decide_unroll_constant_iterations,
2887         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2888         likely upper bounds.
2889         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2890
2891 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2892
2893         * tree-core.h (enum omp_clause_code): Remove
2894         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2895
2896 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2897
2898         * config/arm/sync.md (arm_store_exclusive<mode>):
2899         Use 'H' output modifier on operands[2] rather than creating a new
2900         entry in out-of-bounds memory of the operands array.
2901         (arm_store_release_exclusivedi): Likewise.
2902
2903 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2904
2905         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2906         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2907         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2908         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2909
2910 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2911
2912         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2913         into account live statements for mask producers.
2914
2915 2016-06-01  Richard Biener  <rguenther@suse.de>
2916
2917         PR tree-optimization/71311
2918         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2919         restrict to non-INTEGER_CST @0.
2920
2921 2016-06-01  Richard Biener  <rguenther@suse.de>
2922
2923         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2924         (relational patterns): Use :c to avoid pattern duplications.
2925
2926 2016-06-01  Richard Biener  <rguenther@suse.de>
2927
2928         * genmatch.c (comparison_code_p): New predicate.
2929         (swap_tree_comparison): New function.
2930         (commutate): Add for_vec parameter to append new for entries.
2931         Support commutating relational operators by swapping it alongside
2932         operands.
2933         (lower_commutative): Adjust.
2934         (dt_simplify::gen): Do not pass artificial operators to gen
2935         functions.
2936         (decision_tree::gen): Do not add artificial operators as parameters.
2937         (parser::parse_expr): Verify operator commutativity when :c is
2938         applied.  Allow :C to override this.
2939         * match.pd: Adjust patterns to use :C instead of :c where required.
2940
2941 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2942
2943         PR tree-optimization/71077
2944         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2945         the combining step, use boolean_false_node and boolean_true_node
2946         as the designated false/true return values.
2947
2948 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2949
2950         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2951         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2952         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2953         PRED_LOOP_EXIT.
2954
2955 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2956
2957         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2958         of flags impliying the register renaming.
2959         * toplev.c (process_options): Do not imply flag_rename_registers with
2960         loop peeling.
2961
2962 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2963
2964         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2965         default implementation.
2966
2967 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2968
2969         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2970
2971 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2972
2973         * config/sh/constraints.md (b): Remove constraint.
2974         * config/sh/predicates.md (arith_reg_operand): Remove
2975         TARGET_REGISTER_P.
2976         * config/sh/sh-modes.def (PDI): Remove.
2977         * config/sh/sh.c (sh_target_reg_class,
2978         sh_optimize_target_register_callee_saved): Remove functions.
2979         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2980         (sh_expand_epilogue): Update comment.
2981         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2982         sh_secondary_reload): Remove TARGET_REGS related code.
2983         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2984         TARGET_REGISTER_P): Remove macros.
2985         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2986         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2987         TR1_REG, TR2_REG): Remove constants.
2988         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2989
2990 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2991
2992         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2993         define_expand patterns.
2994         (adddi3_compact): Rename to adddi3.
2995         (subdi3_compact): Rename to subdi3.
2996         (*negdi2): Rename to negdi2.
2997         (*abs<mode>2): Rename to abs<mode>2.
2998
2999 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
3000
3001         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
3002         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
3003         (atomic_sub_fetchsi): ... this new pattern.
3004         (mvtc): Add CC_REG clobber.
3005
3006 2016-05-31  Marek Polacek  <polacek@redhat.com>
3007
3008         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
3009
3010 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3011
3012         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
3013         aarch64_fusion_enabled_p to check for fusion capabilities.
3014
3015 2016-05-31  Richard Biener  <rguenther@suse.de>
3016
3017         PR tree-optimization/71352
3018         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
3019         minus one and a negate.
3020
3021 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3022
3023         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
3024         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
3025         Delete prototype.
3026         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
3027         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
3028         Remove use of aarch64_simd_attr_length_move, set length attribute
3029         directly.
3030         (*aarch64_be_movoi): Likewise.
3031         (*aarch64_be_movci): Likewise.
3032         (*aarch64_be_movxi): Likewise.
3033
3034 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
3035
3036         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
3037         It no longer does that.
3038         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
3039
3040 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
3041
3042         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
3043         attribute __unused__.
3044
3045 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3046
3047         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
3048         * config/arm/arm.c (arm_arch_thumb1): Define.
3049         (arm_option_override): Initialize arm_arch_thumb1.
3050         * config/arm/arm.h (arm_arch_thumb1): Declare.
3051         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
3052         support Thumb-1 ISA.
3053
3054 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
3055
3056         PR target/71346
3057         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
3058         `Yv' for scalar operand.
3059
3060 2016-05-31  Tom de Vries  <tom@codesourcery.com>
3061
3062         PR tree-optimization/69068
3063         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
3064         phis with more than two args.
3065
3066 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
3067
3068         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
3069         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
3070         target.
3071
3072 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
3073
3074         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
3075         tune_64.
3076         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3077         support on SPARC.
3078         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
3079         cpu_32, cpu_64, tune_32 and tune_64.
3080         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
3081
3082 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
3083
3084         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
3085
3086 2016-05-30  Andi Kleen  <ak@linux.intel.com>
3087
3088         * auto-profile.c (read_profile): Replace asserts with errors
3089         when file does not exist.
3090         * gcov-io.c (gcov_read_words): Dito.
3091
3092 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3093
3094         * tree-cfg.c (print_loop): Print likely upper bounds.
3095
3096 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3097
3098         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
3099         * opts.c (default_options): Enable peel loops at -O3.
3100         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
3101         (try_peel_loop): Do not re-peel already peeled loops;
3102         use likely upper bounds; fix profile updating.
3103         (pass_complete_unroll::execute): Initialize peeled_loops.
3104
3105 2016-05-30  Martin Liska  <mliska@suse.cz>
3106
3107         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
3108         computed costs by frequency of BB they belong to.
3109         (get_scaled_computation_cost_at): New function.
3110
3111 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
3112             Marc Glisse  <marc.glisse@inria.fr>
3113
3114         PR tree-optimization/71289
3115         * match.pd (-1 / B < A, A > -1 / B): New transformations.
3116
3117 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3118
3119         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
3120
3121 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3122
3123         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
3124         for peeled copies; avoid underflow when updating estimates; correctly
3125         scale loop profile.
3126
3127 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
3128
3129         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
3130         r236875. Corrected oe3 to oe2 as obvious.
3131
3132 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
3133
3134         PR middle-end/71269
3135         PR middle-end/71252
3136         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
3137         that inserted stmt will not dominate stmts that defines its operand.
3138         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
3139         (rewrite_expr_tree_parallel): Likewise.
3140
3141 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
3142
3143         PR middle-end/71252
3144         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
3145         all fields including stmt_to_insert are swapped.
3146
3147 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3148
3149         * predict.h (force_edge_cold): Declare.
3150         * predict.c (force_edge_cold): New function.
3151         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
3152         updating.
3153         (canonicalize_loop_induction_variables): Fix formating.
3154
3155 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3156
3157         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3158         (visium_expand_copysign): Use gen_int_mode directly.
3159         (visium_compute_frame_size): Minor tweaks.
3160
3161 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3162
3163         * tree-vect-loop.c (vect_analyze_loop_2): Use
3164         likely_max_stmt_executions_int.
3165
3166 2016-05-30  Tom de Vries  <tom@codesourcery.com>
3167
3168         PR tree-optimization/69067
3169         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
3170
3171 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         PR target/71245
3174         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3175         New peepholes to remove unneeded fild/fistp pairs.
3176         (define_peephole2 atomic_loaddi_fpu): Ditto.
3177
3178 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3179
3180         * predict.c (maybe_hot_frequency_p): Avoid division.
3181
3182 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
3183
3184         * doc/install.texi: Use https for shop.fsf.org.
3185
3186 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3187
3188         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
3189         likely_max_stmt_executions_int.
3190
3191 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3192
3193         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
3194         likely_max_stmt_executions_int.
3195
3196 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3197
3198         * profile.c (compute_branch_probabilities): Do not report hitrates
3199         here.
3200         (branch_prob): Report hitrates here.
3201         * predict.c (gimple_predict_edge): Do not assert profile status;
3202         fix formatting issues.
3203
3204 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3205
3206         * predict.c (edge_predicted_by_p): New function.
3207         (predict_paths_for_bb): Do not put multiple predictions of the same type
3208         on one edge.
3209
3210 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3211
3212         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
3213         commit.
3214
3215 2016-05-28  Alan Modra  <amodra@gmail.com>
3216
3217         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
3218
3219 2016-05-28  Alan Modra  <amodra@gmail.com>
3220
3221         PR rtl-optimization/71275
3222         * ira.c (ira): Free dominance info.
3223
3224 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
3225
3226         * doc/sourcebuild.texi: New address for upstream Go repository.
3227
3228 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3229
3230         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
3231         (TARGET_ARM_V7M): Likewise.
3232
3233 2016-05-26  Jeff Law  <law@redhat.com>
3234
3235         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
3236         (thread_across_edge): Remove calls to find_jump_threads_backwards.
3237         * passes.def: Add jump threading passes before DOM/VRP.
3238         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
3239         argument to a basic block from an edge.  Remove tests which are
3240         handled elsewhere.
3241         (pass_data_thread_jumps, class pass_thread_jumps): New.
3242         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
3243         (make_pass_thread_jumps): Likewise.
3244         * tree-pass.h (make_pass_thread_jumps): Declare.
3245
3246 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3247
3248         * config/visium/visium-protos.h (split_double_move): Rename into...
3249         (visium_split_double_move): ...this.
3250         (visium_split_double_add): Declare.
3251         * config/visium/visium.c (split_double_move): Rename into...
3252         (visium_split_double_move): ...this.
3253         (visium_split_double_add): New function.
3254         (visium_expand_copysign): Renumber operands for consistency.
3255         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
3256         (DFmode move splitter): Likewise.
3257         (*addi3_insn): Split by means of visium_split_double_add.
3258         (*adddi3_insn_flags): Delete.
3259         (*plus_plus_sltu<subst_arith>): New insn.
3260         (*subdi3_insn): Split by means of visium_split_double_add.
3261         (subdi3_insn_flags): Delete.
3262         (*minus_minus_sltu<subst_arith>): New insn.
3263         (*negdi2_insn): Split by means of visium_split_double_add.
3264         (*negdi2_insn_flags): Delete.
3265
3266 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
3267
3268         * configure.ac: Treat a --with-headers option without argument
3269         the same as the default (i.e. consult sys-include directory).
3270         * configure: Regenerate.
3271
3272 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3273
3274         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
3275         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
3276         prototype.
3277         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
3278         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
3279
3280 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3281
3282         PR target/63596
3283         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
3284         tree-stdarg analysis results.
3285         (aarch64_setup_incoming_varargs): Likewise.
3286
3287 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3288
3289         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
3290         va_list_gpr_counter_field and va_list_fpr_counter_field.
3291
3292 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
3293
3294         PR67609
3295         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
3296         * config/aarch64/aarch64.c
3297         (aarch64_cannot_change_mode_class): Remove function.
3298         * config/aarch64/aarch64-protos.h
3299         (aarch64_cannot_change_mode_class): Remove.
3300
3301 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3302
3303         * cfgloop.c (record_niter_bound): Record likely upper bounds.
3304         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
3305         get_likely_max_loop_iterations_int): New.
3306         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
3307         any_likely_upper_bound.
3308         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
3309         Declare.
3310         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
3311         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
3312         upper bound.
3313         (unroll_loop_constant_iterations): Likewise.
3314         (unroll_loop_runtime_iterations): Likewise.
3315         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
3316         * lto-streamer-out.c (output_cfg): Likewise.
3317         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
3318         bounds.
3319         (canonicalize_loop_induction_variables): Dump likely upper bounds.
3320         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
3321         (likely_max_loop_iterations): New.
3322         (likely_max_loop_iterations_int): New.
3323         (likely_max_stmt_executions): New.
3324         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
3325         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
3326         likely_max_stmt_executions): Declare.
3327
3328 2016-05-27  Marek Polacek  <polacek@redhat.com>
3329
3330         PR middle-end/71308
3331         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
3332
3333 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3334
3335         * config/s390/s390.md (2x risbg splitters): Use
3336         reg_overlap_mentioned_p instead of rtx_equal_p.
3337
3338 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3339
3340         * combine.c (make_compound_operation): Take known zero bits into
3341         account when checking for possible zero_extend.
3342
3343 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3344
3345         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
3346         Use const_int_operand for operand 2 predicate.  Simplify expand code
3347         as a result.
3348
3349 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
3350
3351         PR middle-end/71279
3352         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
3353         into comparison.
3354
3355 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3356
3357         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
3358         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
3359         that returns CC_SESWPmode and CC_ZESWPmode.
3360         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
3361         and CC_SESWPmode.
3362         (aarch64_rtx_costs): Likewise.
3363
3364 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3365
3366         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
3367         for ISA 3.0 min/max support.
3368         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
3369         conditional move support.
3370         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
3371         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
3372         available.
3373         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
3374         conditional moves where the comparison type is different from move
3375         type.
3376         (fp_minmax): New code iterator for smin/smax.
3377         (minmax): New code attributes for min/max.
3378         (SMINMAX): Likewise.
3379         (smax<mode>3): Combine min, max insns into one insn using the
3380         fp_minmax code iterator.  Add support for ISA 3.0 min/max
3381         instructions that don't need -ffast-math.
3382         (s<minmax><mode>3): Likewise.
3383         (smax<mode>3_vsx): Likewise.
3384         (smin<mode>3): Likewise.
3385         (s<minmax><mode>3_vsx): Likewise.
3386         (smin<mode>3_vsx): Likewise.
3387         (pre-VSX min/max splitters): Likewise.
3388         (s<minmax><mode>3_fpr): Likewise.
3389         (movsfcc): Rewrite floating point conditional moves to combine
3390         SFmode/DFmode into a single insn.
3391         (mov<mode>cc): Likewise.
3392         (movdfcc): Likewise.
3393         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
3394         SFDF2 iterators to handle all combinations.
3395         (fseldfsf4): Likewise.
3396         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
3397         (fseldfdf4): Likewise.
3398         (fselsfdf4): Likewise.
3399         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
3400         comparison instructions that set a 0/-1 mask, and use it for
3401         floating point conditional move via XXSEL.
3402         (fpmask<mode>): Likewise.
3403         (xxsel<mode>): Likewise.
3404         * config/rs6000/predicates.md (min_max_operator): Delete, no
3405         longer used.
3406         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
3407         instructions that generate a 0/-1 mask for use with XXSEL.
3408         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
3409         say whether floating point min/max is available, either through
3410         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
3411         (TARGET_MINMAX_DF): Likewise.
3412
3413 2016-05-27  Alan Modra  <amodra@gmail.com>
3414
3415         PR rtl-optimization/71275
3416         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
3417         for update_equiv_regs and combine_and_move_insns.
3418
3419 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
3420
3421         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
3422         if_then_else or cond RTXes to calculate attribute value.
3423         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
3424         <attr "length_immediate>: Ditto.
3425         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
3426         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
3427         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
3428         <attr "type">: Ditto.
3429         <attr "prefix_data16">: Ditto.
3430         <attr "prefix_extra">: Ditto.
3431         <attr "length_immediate">: Ditto.
3432         <attr "prefix">: Ditto.
3433         (vec_set<mode>_0) <attr "isa">: Ditto.
3434         <attr "prefix_extra">: Ditto.
3435         <attr "length_immediate">: Ditto.
3436         <attr "prefix">: Ditto.
3437         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
3438         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
3439         (sse2_storelpd) <attr "prefix_data16">: Ditto.
3440         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
3441         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
3442         <attr "length_immediate">: Ditto.
3443         <attr "prefix">: Ditto.
3444         (sse2_movsd) <attr "length_immediate">: Ditto.
3445         <attr "prefix">: Ditto.
3446         (vec_concatv2df)  <attr "isa">: Ditto.
3447         <attr "prefix">: Ditto.
3448         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
3449         (*vec_extractv2di_1) <attr "isa">: Ditto.
3450         <attr "type">: Ditto.
3451         <attr "length_immediate">: Ditto.
3452         <attr "prefix_rex">: Ditto.
3453         <attr "prefix_extra">: Ditto.
3454         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
3455         <attr "prefix_extra">: Ditto.
3456         <attr "length_immediate">: Ditto.
3457         (vec_concatv2di) <attr "isa">: Ditto.
3458         <attr "prefix_extra">: Ditto.
3459         <attr "length_immediate">: Ditto.
3460         <attr "prefix">: Ditto.
3461
3462 2016-05-26  Martin Liska  <mliska@suse.cz>
3463
3464         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
3465         function.
3466         (operator+): Likewise.
3467         (operator-): Likewise.
3468         (comp_cost::operator+=): Likewise.
3469         (comp_cost::operator-=): Likewise.
3470         (comp_cost::operator/=): Likewise.
3471         (comp_cost::operator*=): Likewise.
3472         (operator<): Likewise.
3473         (operator==): Likewise.
3474         (operator<=): Likewise.
3475         (new_cost): Remove.
3476         (infinite_cost_p): Likewise.
3477         (add_costs): Likewise.
3478         (sub_costs): Likewise.
3479         (compare_costs): Likewise.
3480         (set_group_iv_cost): Use the newly introduced functions.
3481         (get_address_cost): Likewise.
3482         (get_shiftadd_cost): Likewise.
3483         (force_expr_to_var_cost): Likewise.
3484         (split_address_cost): Likewise.
3485         (ptr_difference_cost): Likewise.
3486         (difference_cost): Likewise.
3487         (get_computation_cost_at): Likewise.
3488         (determine_group_iv_cost_generic): Likewise.
3489         (determine_group_iv_cost_address): Likewise.
3490         (determine_group_iv_cost_cond): Likewise.
3491         (autoinc_possible_for_pair): Likewise.
3492         (determine_group_iv_costs): Likewise.
3493         (cheaper_cost_pair): Likewise.
3494         (iv_ca_recount_cost): Likewise.
3495         (iv_ca_set_no_cp): Likewise.
3496         (iv_ca_set_cp): Likewise.
3497         (iv_ca_cost): Likewise.
3498         (iv_ca_new): Likewise.
3499         (iv_ca_dump): Likewise.
3500         (iv_ca_narrow): Likewise.
3501         (iv_ca_prune): Likewise.
3502         (iv_ca_replace): Likewise.
3503         (try_add_cand_for): Likewise.
3504         (try_improve_iv_set): Likewise.
3505         (find_optimal_iv_set): Likewise.
3506
3507 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
3508
3509         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3510         that internal functions will clobber all caller-saved registers.
3511
3512 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3513
3514         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
3515         Return a better case_values_threshold when optimizing.
3516
3517 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3518
3519         * config/aarch64/aarch64-simd.md (aarch64_combinez):
3520         Add ? to integer variant.
3521         (aarch64_combinez_be): Likewise.
3522
3523 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
3524
3525         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
3526         instead of x constraint.
3527         (vcvtps2ph256<mask_name>): Likewise.
3528
3529         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
3530         alternative.  Formatting fix.
3531
3532         * config/i386/sse.md
3533         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
3534         to ...
3535         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
3536         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
3537         maybe_evex prefix instead of vex.
3538         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
3539         EXT_REX_SSE_REG_P (op0) case in the splitter.
3540
3541 2016-05-25  Jeff Law  <law@redhat.com>
3542
3543         PR tree-optimization/71272
3544         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
3545         Update comments.  Add test for empty path.
3546
3547 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3548
3549         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
3550         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
3551         special case builtin.
3552         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3553         code for ALTIVEC_BUILTIN_VEC_CMPNE.
3554         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3555         for __builtin_vec_cmpne.
3556
3557 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3558
3559         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3560         redundant test and bail out if the type of the new operand is not
3561         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3562
3563 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3564
3565         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
3566         (x_ix86_target_flags_explicit): Remove.
3567         * config/i386/i386.c (ix86_function_specific_save): Do not copy
3568         x_ix86_target_flags_explicit.
3569         (ix86_function_specific_restore): Ditto.
3570
3571 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3572             H.J. Lu  <hongjiu.lu@intel.com>
3573
3574         PR target/70738
3575         * common/config/i386/i386-common.c
3576         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
3577         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
3578         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
3579         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
3580         (-mgeneral-regs-only): Add new option.
3581         * config/i386/i386.c (ix86_option_override_internal): Don't enable
3582         x87 instructions if only general registers are allowed.
3583         (ix86_target_string): Add ix86_flags argument. Handle additional
3584         flags options through ix86_flags argument.  Update all callers.
3585         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
3586
3587 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3588
3589         PR rtl-optimization/66940
3590         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
3591         decrementing desired_val will not overflow before performing these
3592         operations.
3593
3594 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3595
3596         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3597         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3598         * config/i386/i386.c (enum ix86_builtins): Add
3599         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3600         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3601         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3602         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3603         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3604         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3605         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3606         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3607         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3608         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3609         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3610         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3611         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3612         __builtin_ia32_cvtps2dq512_mask.
3613         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3614         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3615         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3616         * config/i386/sse.md
3617         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3618         Rename to ...
3619         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3620         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3621         to ...
3622         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3623         (avx512f_vec_pack_sfix_v8df): New define_expand.
3624         (avx512f_roundpd512): Rename to ...
3625         (avx512f_round<castmode>512): ... this.  Change iterator.
3626         (avx512f_roundps512_sfix): New define_expand.
3627         (round<mode>2_sfix): Change iterator.
3628
3629 2016-05-25  Nick Clifton  <nickc@redhat.com>
3630
3631         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3632         static interrupt handler is detected.
3633         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3634         default linker script.
3635         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3636         the low part of a symbolic pointer.
3637
3638 2016-05-25  Richard Biener  <rguenther@suse.de>
3639
3640         PR tree-optimization/71261
3641         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3642         interesting stmt instead of immediate uses when looking
3643         for the use operand to replace.
3644
3645 2016-05-25  Martin Liska  <mliska@suse.cz>
3646
3647         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3648
3649 2016-05-25  Richard Biener  <rguenther@suse.de>
3650
3651         PR tree-optimization/71264
3652         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3653         vector type val.
3654
3655 2016-05-25  Martin Liska  <mliska@suse.cz>
3656
3657         PR tree-optimization/71239
3658         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3659         if DECL_SIZE is NULL.
3660
3661 2016-05-25  Richard Biener  <rguenther@suse.de>
3662
3663         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3664         * tree-if-conv.c (pass_data_if_conversion): Use it.
3665
3666 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3667
3668         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3669         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3670         * varpool.c (varpool_node::get_availability): Likewise.
3671
3672 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3673
3674         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3675         VNEGW/VNEGD instructions.
3676         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3677         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3678         support for ISA 3.0 VNEGW/VNEGD instructions.
3679
3680 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3681
3682         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3683         pointers inside OACC_DATA regions.
3684         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3685         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3686         (gimplify_adjust_omp_clauses): Fix typo in comment.
3687
3688 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3689
3690         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3691         parity built-in functions.
3692         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3693         zeros.
3694         (p9v_parity<mode>2): Likewise.
3695         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3696         parity.
3697         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3698         (parity<mode>2): ISA 3.0 expander for vector parity.
3699         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3700         power9 built-ins.
3701         (BU_P9_64BIT_MISC_0): Likewise.
3702         (BU_P9_MISC_0): Likewise.
3703         (BU_P9V_AV_1): Likewise.
3704         (BU_P9V_AV_2): Likewise.
3705         (BU_P9V_AV_3): Likewise.
3706         (BU_P9V_AV_P): Likewise.
3707         (BU_P9V_VSX_1): Likewise.
3708         (BU_P9V_OVERLOAD_1): Likewise.
3709         (BU_P9V_OVERLOAD_2): Likewise.
3710         (BU_P9V_OVERLOAD_3): Likewise.
3711         (VCTZB): Add vector count trailing zeros support.
3712         (VCTZH): Likewise.
3713         (VCTZW): Likewise.
3714         (VCTZD): Likewise.
3715         (VPRTYBD): Add vector parity support.
3716         (VPRTYBQ): Likewise.
3717         (VPRTYBW): Likewise.
3718         (VCTZ): Add overloaded vector count trailing zeros support.
3719         (VPRTYB): Add overloaded vector parity support.
3720         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3721         overloaded vector count trailing zeros and parity instructions.
3722         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3723         vector parity support.
3724         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3725         trailing zeros support.
3726         (vec_cntlz): Likewise.
3727         (vec_vctzb): Likewise.
3728         (vec_vctzd): Likewise.
3729         (vec_vctzh): Likewise.
3730         (vec_vctzw): Likewise.
3731         (vec_vprtyb): Add ISA 3.0 vector parity support.
3732         (vec_vprtybd): Likewise.
3733         (vec_vprtybw): Likewise.
3734         (vec_vprtybq): Likewise.
3735         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3736         the ISA 3.0 vector count trailing zeros and vector parity built-in
3737         functions.
3738
3739 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3740
3741         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3742         when there is stmt_to_insert.
3743
3744 2016-05-24  Martin Sebor  <msebor@redhat.com>
3745
3746         PR c++/71147
3747         * tree.h (complete_or_array_type_p): New inline function.
3748
3749 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3750
3751         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3752         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3753         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3754
3755         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3756         Limit 1st alternative to noavx isa, split 2nd alternative into one
3757         noavx and one avx alternative, use *x and Bm in the former and
3758         x and m in the latter.
3759
3760         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3761         of sse4 for the first alternative, drop %v from the template
3762         and d operand modifier.  Split second alternative into one sse4_noavx
3763         and one avx alternative, use *x instead of *v in the former and v
3764         instead of *v in the latter.
3765         (*sse4_1_extractps): Use noavx isa instead of * for the first
3766         alternative, drop %v from the template.  Split second alternative into
3767         one noavx and one avx alternative, use *x instead of *v in the
3768         former and v instead of *v in the latter.
3769         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3770         with noavx and the last one with avx.
3771         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3772         split the second one into one noavx and one avx alternative,
3773         use *x and Bm in the former and x and m in the latter one.
3774         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3775         alternatives.
3776
3777         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3778         first two alternatives to noavx, use *x instead of *v in the second
3779         one, add avx alternative without *.
3780         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3781         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3782         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3783
3784 2016-05-24  Jeff Law  <law@redhat.com>
3785
3786         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3787         New function, extracted from...
3788         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3789         Allow simple copies and constant initializations in the SSA chain.
3790
3791 2016-05-24  Marek Polacek  <polacek@redhat.com>
3792
3793         PR c/71249
3794         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3795         scope.
3796
3797 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3798
3799         PR c++/71257
3800         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3801         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3802         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3803         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3804         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3805
3806 2016-05-24  Richard Biener  <rguenther@suse.de>
3807
3808         PR tree-optimization/71240
3809         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3810         has integral type.
3811
3812 2016-05-24  Richard Biener  <rguenther@suse.de>
3813
3814         PR tree-optimization/71230
3815         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3816
3817 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3818
3819         * tree-vectorizer.h (vectorizable_comparison): Delete.
3820         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3821         PURE_SLP_STMT check.
3822         * tree-vect-stmts.c (vectorizable_call): Likewise.
3823         (vectorizable_simd_clone_call): Likewise.
3824         (vectorizable_conversion): Likewise.
3825         (vectorizable_assignment): Likewise.
3826         (vectorizable_shift): Likewise.
3827         (vectorizable_operation): Likewise.
3828         (vectorizable_load): Likewise.
3829         (vectorizable_condition): Likewise.
3830         (vectorizable_store): Likewise.  Assert that we don't have
3831         hybrid SLP.
3832         (vectorizable_comparison): Make static.  Remove redundant
3833         PURE_SLP_STMT check.
3834         (vect_transform_stmt): Assert that we always have an slp_node
3835         if PURE_SLP_STMT.
3836
3837 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3838
3839         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3840         operands[2] against 1 with comparison against CONST1_RTX.
3841         (<shift>di3_neon): Likewise.
3842         * config/arm/predicates.md (const0_operand): Replace with comparison
3843         against CONST0_RTX.
3844
3845 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3846
3847         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3848         operands[2] against 1 with comparison against CONST1_RTX.
3849         (ashrdi3): Likewise.
3850         (lshrdi3): Likewise.
3851         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3852         UINTVAL.
3853         (ashrsi3): Likewise.
3854         (lshrsi3): Likewise.
3855         (rotrsi3): Likewise.
3856         (define_split above *compareqi_eq0): Likewise.
3857         (define_split above "prologue"): Likewise.
3858         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3859         * config/arm/predicates.md (shift_operator): Likewise.
3860         (shift_nomul_operator): Likewise.
3861         (sat_shift_operator): Likewise.
3862         (thumb1_cmp_operand): Likewise.
3863         (const_neon_scalar_shift_amount_operand): Replace manual range
3864         check with IN_RANGE.
3865         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3866         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3867
3868 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3869
3870         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3871         with HOST_WIDE_INT_1.
3872         (insv): Likewise.
3873         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3874         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3875         (arm_canonicalize_comparison): Likewise.
3876         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3877         HOST_WIDE_INT_1.
3878         (thumb1_size_rtx_costs): Likewise.
3879         (vfp_const_double_index): Replace cast of 1 to unsigned
3880         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3881         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3882         HOST_WIDE_INT_1.
3883         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3884         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3885         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3886         HOST_WIDE_INT with HOST_WIDE_INT_1.
3887
3888 2016-05-24  Marek Polacek  <polacek@redhat.com>
3889
3890         * tree-cfg.h (should_remove_lhs_p): New predicate.
3891         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3892         * gimplify.c (gimplify_modify_expr): Likewise.
3893         * tree-cfg.c (verify_gimple_call): Likewise.
3894         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3895         * gimple-fold.c: Include "tree-cfg.h".
3896         (gimple_fold_call): Use should_remove_lhs_p.
3897
3898 2016-05-24  Richard Biener  <rguenther@suse.de>
3899
3900         PR tree-optimization/71253
3901         * cfganal.h (control_dependences): Make robust against edge
3902         and BB removal.
3903         (control_dependences::control_dependences): Remove edge_list argument.
3904         (control_dependences::get_edge): Remove.
3905         (control_dependences::get_edge_src): Add.
3906         (control_dependences::get_edge_dest): Likewise.
3907         (control_dependences::m_el): Make a vector of edge src/dest index.
3908         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3909         (control_dependences::control_dependences): Likewise.
3910         (control_dependences::~control_dependence): Likewise.
3911         (control_dependences::get_edge): Remove.
3912         (control_dependences::get_edge_src): Add.
3913         (control_dependences::get_edge_dest): Likewise.
3914         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3915         get_edge_src.
3916         (perform_tree_ssa_dce): Adjust.
3917         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3918         get_edge_src.
3919         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3920         conditional on changed.
3921
3922 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3923
3924         PR target/69857
3925         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3926         return.  Reindent transformation comment and mention the ARM state
3927         behavior.
3928
3929 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3930
3931         PR middle-end/71252
3932         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3933         after build_and_add_sum creates new use stmt.
3934
3935 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3936
3937         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3938         load_lanes/grouped_load classification comes first.  Don't check
3939         whether the vectorization factor is a multiple of the group size
3940         for load_lanes.
3941
3942 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3943
3944         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3945         GROUP_GAP for single-element interleaving.
3946         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3947         variable.
3948
3949 2016-05-24  Richard Biener  <rguenther@suse.de>
3950
3951         PR middle-end/70434
3952         PR c/69504
3953         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3954         bases which are accessed with non-invariant indices.
3955         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3956         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3957
3958 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3959
3960         PR middle-end/71170
3961         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3962         (add_to_ops_vec): Add stmt_to_insert.
3963         (add_repeat_to_ops_vec): Init stmt_to_insert.
3964         (insert_stmt_before_use): New.
3965         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3966         to ops vector.
3967         (get_ops): Init stmt_to_insert.
3968         (maybe_optimize_range_tests): Likewise.
3969         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3970         (rewrite_expr_tree_parallel): Likewise.
3971         (reassociate_bb): Likewise.
3972
3973 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3974
3975         PR target/71201
3976         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3977         ISA 3.0 xxperm fusion alternative.
3978         (altivec_vperm_v8hiv16qi): Likewise.
3979         (altivec_vperm_<mode>_uns_internal): Likewise.
3980         (vperm_v8hiv4si): Likewise.
3981         (vperm_v16qiv8hi): Likewise.
3982
3983 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3984             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3985
3986         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3987         vpermr/xxpermr on ISA 3.0.
3988         (altivec_expand_vec_perm_le): Likewise.
3989         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3990         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3991         ISA 3.0.
3992
3993 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3994
3995         * config/i386/i386.h (IS_STACK_MODE): Enable for
3996         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3997         SSE_FLOAT_MODE_P macros.
3998         * config/i386/i386.c (ix86_preferred_reload_class): Use
3999         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
4000         Cleanup regclass processing for CONST_DOUBLE_P.
4001         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
4002         (ix86_rtx_costs): Remove redundant TARGET_80387 check
4003         with IS_STACK_MODE macro.
4004         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
4005         with TARGET_SSE2.
4006         (*movdf_internal): Use IS_STACK_MODE macro.
4007         (*movsf_internal): Ditto.
4008
4009 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
4010
4011         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
4012         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
4013
4014 2016-05-23  Jeff Law  <law@redhat.com>
4015
4016         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
4017         extracted from ...
4018         (fsm_find_control_statement_thread_paths): Call it.
4019
4020 2016-05-23  Martin Jambor  <mjambor@suse.cz>
4021
4022         PR ipa/71234
4023         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
4024         from_global_constant if t is not NULL.
4025
4026 2016-05-23  Marek Polacek  <polacek@redhat.com>
4027
4028         PR c/49859
4029         * common.opt (Wswitch-unreachable): New option.
4030         * doc/invoke.texi: Document -Wswitch-unreachable.
4031         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
4032         warning.
4033
4034 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
4035
4036         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
4037         TMR_INDEX is non-NULL.
4038
4039 2016-05-23  Richard Biener  <rguenther@suse.de>
4040
4041         PR tree-optimization/71230
4042         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
4043         (try_special_add_to_ops): ... here.  Always test for single-use.
4044
4045 2016-05-23  Martin Jambor  <mjambor@suse.cz>
4046
4047         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
4048         default block if a PHI node in the original one would be resized.
4049
4050 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4051
4052         PR tree-optimization/58135
4053         * tree-vect-slp.c: When group size is not multiple
4054         of vector size, allow splitting of store group at
4055         vector boundary.
4056
4057 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
4058
4059         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
4060
4061 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
4062
4063         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4064         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
4065         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
4066         of 64x2.
4067
4068         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
4069         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
4070         v constraint instead of x and vinserti32x4 insn.
4071
4072         * config/i386/sse.md (i128vldq): New mode iterator.
4073         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
4074         avx512dq and avx512vl alternatives.
4075
4076         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
4077         constraint, use maybe_evex prefix instead of vex.
4078         (vec_dupv4sf): Use v constraint instead of x for output
4079         operand except for noavx alternative, use Yv constraint
4080         instead of x for input.  Use maybe_evex prefix instead of vex.
4081         (*vec_dupv4si): Likewise.
4082         (*vec_dupv2di): Likewise.
4083
4084 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
4085
4086         PR middle-end/40921
4087         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
4088         (linearize_expr_tree): Call try_special_add_to_ops.
4089         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
4090
4091 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4092
4093         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
4094         to computed stack_usage.
4095
4096 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
4097
4098         PR target/71103
4099         * config/avr/avr.md (define_expand "mov<mode>"): If the source
4100         operand is subreg (symbol_ref) then move the symbol ref to register.
4101
4102 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
4103
4104         * tree.c (array_at_struct_end_p): Look through MEM_REF.
4105
4106 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
4107
4108         PR middle-end/71179
4109         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
4110         VECTOR type.
4111
4112 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
4113
4114         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
4115         ranges by calling get_single_symbol and tidy up.  Look more closely
4116         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
4117
4118 2016-05-20  Jeff Law  <law@redhat.com>
4119
4120         * bitmap.c (bitmap_find_bit): Remove useless test.
4121
4122 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
4123
4124         * function.c (thread_prologue_and_epilogue_insns): Commit the
4125         insertion of the epilogue.
4126
4127 2016-05-20  Martin Jambor  <mjambor@suse.cz>
4128
4129         PR tree-optimization/70884
4130         * tree-sra.c (initialize_constant_pool_replacements): Do not check
4131         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
4132         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
4133         of constant pool data as a reason for scalarization.
4134
4135 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
4136
4137         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
4138         for naked functions.
4139         (thumb1_expand_prologue): Likewise.
4140
4141 2016-05-20  Nathan Sidwell  <nathan@acm.org>
4142
4143         * config/nvptx/nptx.c (nvptx_option_override): Only set
4144         flag_toplevel_reorder, if not explicitly specified.  Set
4145         flag_no_common, unless explicitly specified.
4146
4147 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4148
4149         * calls.c (can_implement_as_sibling_call_p): Mark param
4150         reg_parm_stack_space with ATTRIBUTE_UNUSED.
4151
4152 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
4153
4154         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
4155         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
4156         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
4157         constants.
4158         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
4159         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
4160         and CASE_CONST_ANY.
4161
4162 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
4163
4164         * config/nvptx/nvptx.md (sincossf3): New pattern.
4165
4166 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4167
4168         * calls.c (maybe_complain_about_tail_call): New function.
4169         (initialize_argument_information): Call
4170         maybe_complain_about_tail_call when clearing *may_tailcall.
4171         (can_implement_as_sibling_call_p): Call
4172         maybe_complain_about_tail_call when returning false.
4173         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
4174         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
4175         if tail-call optimization fails.
4176         * cfgexpand.c (expand_call_stmt): Initialize
4177         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
4178         * gimple-pretty-print.c (dump_gimple_call): Dump
4179         gimple_call_must_tail_p.
4180         * gimple.c (gimple_build_call_from_tree): Call
4181         gimple_call_set_must_tail with the value of
4182         CALL_EXPR_MUST_TAIL_CALL.
4183         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
4184         (gimple_call_set_must_tail): New function.
4185         (gimple_call_must_tail_p): New function.
4186         * print-tree.c (print_node): Update printing of TREE_STATIC
4187         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
4188         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
4189         trailing comment listing applicable flags.
4190         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
4191
4192 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4193
4194         * calls.c (expand_call): Move "Rest of purposes for tail call
4195         optimizations to fail" to...
4196         (can_implement_as_sibling_call_p): ...this new function, and
4197         split into multiple "if" statements.
4198
4199 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4200
4201         * cfgloop.h (expected_loop_iterations_unbounded,
4202         expected_loop_iterations): Unconstify.
4203         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
4204         profile with known upper bound; return 3 when profile is absent.
4205         (expected_loop_iterations): Update.
4206
4207 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4208
4209         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
4210         and get_max_loop_iterations_int.
4211
4212 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4213
4214         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
4215         realistic upper bounds here.
4216
4217 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR c++/71210
4220         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
4221         calls if the LHS is variable length or has addressable type.
4222         If targets[0]->decl is a noreturn call with void return type and
4223         zero arguments, adjust fntype and remove lhs in that case.
4224
4225 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
4226
4227         PR tree-optimization/71079
4228         PR tree-optimization/71206
4229         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
4230
4231 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4232
4233         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
4234         (get_vec_alignment_for_array_decl): Likewise.
4235         (get_vec_alignment_for_record_decl): Likewise.
4236         (increase_alignment::execute): Move code to find alignment to
4237         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
4238         (type_align_map): New hash_map.
4239
4240 2016-05-20  Richard Guenther  <rguenther@suse.de>
4241
4242         PR tree-optimization/29756
4243         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
4244         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
4245         * fold-const.c (operand_equal_p): Likewise.
4246         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
4247         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
4248         * tree-inline.c (estimate_operator_cost): Likewise.
4249         * tree-pretty-print.c (dump_generic_node): Likewise.
4250         * tree-ssa-operands.c (get_expr_operands): Likewise.
4251         * cfgexpand.c (expand_debug_expr): Likewise.
4252         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
4253         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
4254         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
4255         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
4256         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
4257         (execute_update_addresses_taken): Do it.
4258
4259 2016-05-20  Richard Biener  <rguenther@suse.de>
4260
4261         PR tree-optimization/71185
4262         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
4263         register operations.
4264
4265 2016-05-20  Richard Biener  <rguenther@suse.de>
4266
4267         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
4268         gimple_seq_add_seq_without_update.
4269         (release_bb_predicate): Assert we have no operands to free.
4270         (if_convertible_loop_p_1): Calculate post dominators later.
4271         Do not free BB predicates here.
4272         (combine_blocks): Do not recompute BB predicates.
4273         (version_loop_for_if_conversion): Save BB predicates around
4274         loop versioning.
4275
4276 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4277
4278         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
4279         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
4280         code.  Ignore sibcalls on EDGE_IGNORE edges.
4281         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
4282         on edges for sibcalls that run without prologue.  The rest of the
4283         function is combined from...
4284         (fix_fake_fallthrough_edge): ... this, and ...
4285         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
4286         function argument, make it a local variable.
4287
4288 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
4289
4290         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
4291         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
4292         for 32-bit mode and SEH for 64-bit.
4293         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
4294         TARGET_64BIT_DEFAULT.
4295
4296 2016-05-19  Ryan Burn  <contact@rnburn.com>
4297
4298         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
4299         * gengtype.c (open_base_files): Add cilk.h to ifiles.
4300
4301 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
4302
4303         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
4304         force pending loads from memory.
4305
4306 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4307
4308         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
4309         (UNSPEC_DARN_32): New unspec constant.
4310         (UNSPEC_DARN_RAW): New unspec constant.
4311         (darn_32): New instruction.
4312         (darn_raw): New instruction.
4313         (darn): New instruction.
4314         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
4315         support and documentation for this macro.
4316         (BU_P9_MISC_1): New macro definition.
4317         (BU_P9_64BIT_MISC_0): New macro definition.
4318         (BU_P9_MISC_0): New macro definition.
4319         (darn_32): New builtin definition.
4320         (darn_raw): New builtin definition.
4321         (darn): New builtin definition.
4322         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
4323         RS6000_BUILTIN_0 directives to surround each occurrence of
4324         #include "rs6000-builtin.def".
4325         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
4326         RS6000_BTM_64BIT flags to the returned mask, depending on
4327         configuration.
4328         (def_builtin): Correct an error in the assignments made to the
4329         debugging variable attr_string.
4330         (rs6000_expand_builtin): Add support for no-operand built-in
4331         functions.
4332         (builtin_function_type): Remove fatal_error assertion that is no
4333         longer valid.
4334         (rs6000_common_init_builtins): Add support for no-operand built-in
4335         functions.
4336         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
4337         definition.
4338         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
4339         definition.
4340         (RS6000_BTM_64BIT): New macro definition.
4341         * doc/extend.texi: Document __builtin_darn (void),
4342         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
4343         functions.
4344
4345 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
4346
4347         * tree-vect-loop.c (vect_analyze_loop_2): Use also
4348         max_loop_iterations_int.
4349
4350 2016-05-19  Marek Polacek  <polacek@redhat.com>
4351
4352         PR tree-optimization/71031
4353         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
4354         condition and adjust the code a bit.
4355
4356 2016-05-19  Martin Liska  <mliska@suse.cz>
4357
4358         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
4359         auto_vec instead of vec.
4360
4361 2016-05-19  Martin Liska  <mliska@suse.cz>
4362
4363         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
4364
4365 2016-05-19  Martin Liska  <mliska@suse.cz>
4366
4367         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
4368
4369 2016-05-19  Martin Liska  <mliska@suse.cz>
4370
4371         * ipa-pure-const.c (set_function_state): Remove an existing
4372         funct_state.
4373         (remove_node_data): Do not free it as it's released
4374         in set_function_state.
4375
4376 2016-05-19  Martin Liska  <mliska@suse.cz>
4377
4378         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
4379         bitmap.
4380
4381 2016-05-19  Martin Liska  <mliska@suse.cz>
4382
4383         * omp-simd-clone.c (simd_clone_adjust): Release vector.
4384
4385 2016-05-19  Martin Liska  <mliska@suse.cz>
4386
4387         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
4388         an auto_vec instead of re-creating it.
4389
4390 2016-05-19  Martin Liska  <mliska@suse.cz>
4391
4392         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
4393         auto_vec instead of vec.
4394
4395 2016-05-19  Martin Liska  <mliska@suse.cz>
4396
4397         * lto-section-in.c (lto_get_section_data): Call
4398         lto_check_version with additional argument.
4399         * lto-streamer.c (lto_check_version): Add new argument.
4400         * lto-streamer.h (lto_check_version): Likewise.
4401
4402 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4403
4404         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
4405         Don't add cost of inner memory when handling sign-extended loads.
4406
4407 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
4408
4409         PR rtl-optimization/71148
4410         * cse.c (cse_main): Free dominance info.
4411         (rest_of_handle_cse): Don't free dominance info.
4412         (rest_of_handle_cse2): Likewise.
4413         (rest_of_handle_cse_after_global_opts): Likewise.
4414
4415 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4416
4417         PR target/71056
4418         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
4419         NULL_TREE early if NEON is not available.  Remove now redundant check
4420         in ARM_CHECK_BUILTIN_MODE.
4421
4422 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
4423
4424         PR sanitizer/64354
4425         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
4426         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
4427         * doc/cpp.texi: Document new macros.
4428
4429 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
4430
4431         PR tree-optimization/69848
4432         * tree-vect-loop.c (vectorizable_reduction): Don't factor
4433         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
4434
4435 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4436
4437         * function.c (thread_prologue_and_epilogue_insn): Move the
4438         "goto epilogue_done" one block later.
4439
4440 2016-05-19  Richard Biener  <rguenther@suse.de>
4441
4442         PR tree-optimization/70729
4443         * passes.def: Move LIM pass before PRE.  Remove no longer
4444         required copyprop and move first DCE out of the loop pipeline.
4445
4446 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
4447
4448         PR driver/69265
4449         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
4450         (OBJS-libcommon-target): ...here.
4451         * opts-common.c: Include spellcheck.h.
4452         (cmdline_handle_error): Build a vec of valid options and use it
4453         to suggest provide hints for misspelled arguments.
4454
4455 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4456
4457         PR c++/71100
4458         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
4459         lhs if it has TREE_ADDRESSABLE type.
4460
4461 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
4462
4463         PR target/71145
4464         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
4465         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
4466
4467 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4468
4469         PR ipa/69708
4470         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
4471         input for NOP_EXPR pass-through functions.
4472         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
4473         aggregate global constant VAR_DECLs in constant jump functions.
4474
4475 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4476
4477         PR ipa/69708
4478         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
4479         from TREE_READONLY parameters.
4480
4481 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4482
4483         PR ipa/69708
4484         * cgraph.h (cgraph_indirect_call_info): New field
4485         guaranteed_unmodified.
4486         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
4487         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4488         appropriate.
4489         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
4490         pass the parameter value to ipa_find_agg_cst_for_param.
4491         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
4492         guaranteed_unmodified, store AA results there instead of bailing out
4493         if present.
4494         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
4495         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
4496         (find_constructor_constant_at_offset): New function.
4497         (ipa_find_agg_cst_from_init): Likewise.
4498         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
4499         static initializers of contants, report back through a new paameter
4500         from_global_constant if that was the case.
4501         (try_make_edge_direct_simple_call): Also pass parameter value to
4502         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4503         appropriate.
4504         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4505         (ipa_read_indirect_edge_info): Likewise.
4506         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4507         (ipa_load_from_parm_agg): Likewise.
4508
4509 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
4510
4511         PR rtl-optimization/71150
4512         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
4513         check.
4514
4515 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4516
4517         PR target/70915
4518         * config/rs6000/constraints.md (wE constraint): New constraint
4519         for a vector constant that can be loaded with XXSPLTIB.
4520         (wM constraint): New constraint for a vector constant of a 1's.
4521         (wS constraint): New constraint for a vector constant that can be
4522         loaded with XXSPLTIB and a vector sign extend instruction.
4523         * config/rs6000/predicates.md (xxspltib_constant_split): New
4524         predicates for wE/wS constraints.
4525         (xxspltib_constant_nosplit): Likewise.
4526         (easy_vector_constant): Add support for constants that can be
4527         loaded via XXSPLTIB.
4528         (all_ones_constant): New predicate for vector constant with all
4529         1's set.
4530         (splat_input_operand): Add support for ISA 3.0 word splat operations.
4531         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
4532         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
4533         instruction and possibly with a sign extension.
4534         (output_vec_const_move): Add support for XXSPLTIB. If we are
4535         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
4536         instead of XXLXOR/XXLORC.
4537         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
4538         operations.
4539         (rs6000_legitimize_reload_address): Likewise.
4540         (rs6000_output_move_128bit): Use output_vec_const_move to emit
4541         constants.
4542         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
4543         combine VSX_M and VSX_M2 into one iterator.
4544         (VSX_M2): Likewise.
4545         (VSINT_84): New iterators for loading constants with XXSPLTIB.
4546         (VSINT_842): Likewise.
4547         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
4548         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
4549         XXSPLTIB instruction.
4550         (xxspltib_<mode>_nosplit): Likewise.
4551         (xxspltib_<mode>_split): New insn to load up constants with
4552         XXSPLTIB and a sign extend instruction.
4553         (vsx_mov<mode>): Replace single move that handled all vector types
4554         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
4555         moves (when -mvsx-timode is in effect) into the main vector
4556         moves.  Eliminate separate moves for <VSr> <VSa>, where the
4557         preferred register class (<VSr>) is listed first, and the
4558         secondary register class (<VSa>) is listed second with a '?' to
4559         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
4560         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
4561         that if the register was involved in a slow operation, the
4562         clear/set operation does not wait for the slow operation to
4563         finish.  Adjust the length attributes for 32-bit mode.  Use
4564         rs6000_output_move_128bit and drop the use of the string
4565         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
4566         spacing so that the alternatives and attributes don't generate
4567         long lines, and put things in columns, so that it is easier to
4568         match up the operands and attributes with the insn alternatives.
4569         (vsx_mov<mode>_64bit): Likewise.
4570         (vsx_mov<mode>_32bit): Likewise.
4571         (vsx_movti_64bit): Fold movti into normal vector moves.
4572         (vsx_movti_32bit): Likewise.
4573         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
4574         splat instructions.
4575         (vsx_splat_v4si_internal): Likewise.
4576         (vsx_splat_v4sf_internal): Likewise.
4577         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
4578         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
4579         extend vector elements.
4580         (vsx_sign_extend_hi_<mode>): Likewise.
4581         (vsx_sign_extend_si_v2di): Likewise.
4582         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
4583         declaration.
4584         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
4585         constraints.  Add trailing period to wL documentation.
4586
4587 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
4588
4589         PR middle-end/71020
4590         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
4591         * tree-dfa.c (replace_abnormal_ssa_names): New function.
4592         * tree-call-cdce.c: Include tree-dfa.h.
4593         (can_guard_call_p): New function, extracted from...
4594         (can_use_internal_fn): ...here.
4595         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4596         and return void.
4597         (shrink_wrap_one_built_in_call): Likewise.
4598         (use_internal_fn): Likewise.
4599         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4600         and return void.  Call replace_abnormal_ssa_names.
4601         (pass_call_cdce::execute): Check can_guard_call_p during the
4602         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4603         will always change something.
4604
4605 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4606
4607         PR ipa/70646
4608         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4609         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4610
4611 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4612
4613         PR ipa/70646
4614         * ipa-inline.h (condition): New field size.
4615         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4616         for comaprison and store it into the new condition.
4617         (evaluate_conditions_for_known_args): Use condition size to check
4618         access sizes for all but CHANGED conditions.
4619         (unmodified_parm_1): New parameter size_p, store access size into it.
4620         (unmodified_parm): Likewise.
4621         (unmodified_parm_or_parm_agg_item): Likewise.
4622         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4623         (set_cond_stmt_execution_predicate): Extract access sizes and store
4624         them to conditions.
4625         (set_switch_stmt_execution_predicate): Likewise.
4626         (will_be_nonconstant_expr_predicate): Likewise.
4627         (will_be_nonconstant_predicate): Likewise.
4628         (inline_read_section): Stream condition size.
4629         (inline_write_summary): Likewise.
4630
4631 2016-05-18  Richard Biener  <rguenther@suse.de>
4632
4633         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4634         condition cost to PHI cost instead of total_cost.
4635
4636 2016-05-18  Martin Liska  <mliska@suse.cz>
4637
4638         PR fortran/70856
4639         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4640         merged variables.
4641
4642 2016-05-18  Richard Biener  <rguenther@suse.de>
4643
4644         * lto-streamer.h (LTO_major_version): Bump to 6.
4645
4646 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4647
4648         * function.c (make_split_prologue_seq, make_prologue_seq,
4649         make_epilogue_seq): New functions, factored out from...
4650         (thread_prologue_and_epilogue_insns): Here.
4651
4652 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4653
4654         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4655         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4656         of before.  Add a comment.
4657
4658 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4659
4660         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4661         expression pointer, not pointer to the pointer.
4662
4663 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4664
4665         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4666         (avx2_pbroadcast<mode>): Add another alternative with v instead
4667         of x constraints in it, using <pbroadcast_evex_isa> isa.
4668         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4669
4670         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4671         constraint x instead of v in second alternative, add avx512bw
4672         alternative.
4673
4674         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4675         constraint x instead of v in second alternative, add avx512bw
4676         alternative.
4677
4678         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4679         constraint x instead of v in second alternative, add avx512bw
4680         alternative.
4681
4682         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4683         avx512bw alternative.
4684
4685 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4686
4687         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4688         array to 128 chars.
4689         (define_insn "*andnottf3"): Ditto.
4690         (define_insn "*<code><mode>3"/any_logic): Ditto.
4691         (define_insn "*<code>tf3"/any_logic): Ditto.
4692         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4693         operand to block AVX-512VL insn variant emit when it is not enabled.
4694
4695 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4696
4697         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4698         constraint fot SF mode.
4699
4700 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4701             Kirill Yukhin  <kirill.yukhin@intel.com>
4702
4703         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4704         modifiers.
4705         (define_insn "rsqrt14<mode>"): Ditto.
4706         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4707         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4708         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4709         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4710         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4711         Ditto.
4712         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4713         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4714         * config/i386/i386.c (ix86_print_operand): Expand check for size
4715         override codes for Intel syntax.
4716
4717 2016-05-18  Richard Biener  <rguenther@suse.de>
4718
4719         PR tree-optimization/71168
4720         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4721         initialization earlier.
4722
4723 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4724
4725         * config/aarch64/aarch64-simd.md
4726         (aarch64_reduc_plus_internal<mode>): Rename to...
4727         (reduc_plus_scal): ...This, and remove previous implementation.
4728
4729 2016-05-18  Richard Biener  <rguenther@suse.de>
4730
4731         * passes.def: Put late dse and cd_dce in canonical order.
4732
4733 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4734
4735         * ipa-inline-transform.c (preserve_function_body_p): Look for
4736         first non-thunk clone.
4737         (save_function_body): Save into first non-thunk.
4738         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4739         up call stmt id.
4740         (lto_output_node): Inline thunks don't need body in every
4741         partition.
4742         * lto-streamer-in.c: Do not fixup thunk clones.
4743         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4744         thunks.
4745         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4746         folding suceeds.
4747
4748 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4749
4750         PR middle-end/63586
4751         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4752         (reassociate_bb): Call transform_add_to_multiply.
4753
4754 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4755
4756         * config/aarch64/aarch64.c (all_extensions): Removed unused
4757         static variable.
4758
4759 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4760
4761         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4762         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4763
4764 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4765
4766         PR tree-optimization/54579
4767         PR middle-end/55299
4768         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4769
4770 2016-05-17  Marek Polacek  <polacek@redhat.com>
4771
4772         PR ipa/71146
4773         * tree-inline.c (expand_call_inline): Call
4774         maybe_remove_unused_call_args.
4775
4776 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4777
4778         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4779         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4780         * doc/md.texi (fmin@var{m}3): Likewise.
4781
4782 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4783
4784         * match.pd (X & C): New transformation.
4785
4786 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4787
4788         * match.pd (~X & Y): New transformation.
4789
4790 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4791
4792         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4793         information for new SSA_NAME.
4794         (simplify_conversion_using_ranges): Get range through get_range_info
4795         instead of get_value_range.
4796
4797 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4798
4799         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4800         Remove inline assembly.
4801         (vmvn_s16): Likewise.
4802         (vmvn_s32): Likewise.
4803         (vmvn_u8): Likewise.
4804         (vmvn_u16): Likewise.
4805         (vmvn_u32): Likewise.
4806         (vmvnq_s8): Likewise.
4807         (vmvnq_s16): Likewise.
4808         (vmvnq_s32): Likewise.
4809         (vmvnq_u8): Likewise.
4810         (vmvnq_u16): Likewise.
4811         (vmvnq_u32): Likewise.
4812         (vmvn_p8): Likewise.
4813         (vmvnq_p16): Likewise.
4814
4815 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4816
4817         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4818         Use builtin.
4819         (vmul_n_s16): Likewise.
4820         (vmul_n_s32): Likewise.
4821         (vmul_n_u16): Likewise.
4822         (vmul_n_u32): Likewise.
4823         (vmulq_n_f32): Likewise.
4824         (vmulq_n_f64): Likewise.
4825         (vmulq_n_s16): Likewise.
4826         (vmulq_n_s32): Likewise.
4827         (vmulq_n_u16): Likewise.
4828         (vmulq_n_u32): Likewise.
4829
4830 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4831
4832         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4833         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4834
4835 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4836
4837         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4838         to *aarch64_fma4_elt_from_dup<mode>.
4839         (*aarch64_fnma4_elt_to_128df): Rename to
4840         *aarch64_fnma4_elt_from_dup<mode>.
4841         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4842         (vfms_n_f32): Likewise.
4843         (vfms_n_f64): Likewise.
4844         (vfmsq_n_f32): Likewise.
4845         (vfmsq_n_f64): Likewise.
4846
4847 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4848
4849         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4850
4851 2016-05-17  Richard Biener  <rguenther@suse.de>
4852
4853         PR tree-optimization/71132
4854         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4855         Only add control dependences for blocks in the loop.
4856         (build_rdg): Adjust.
4857         (generate_code_for_partition): Return whether loop should
4858         be destroyed and delay that.
4859         (distribute_loop): Likewise.
4860         (pass_loop_distribution::execute): Record loops to be destroyed
4861         and perform delayed destroying of loops.
4862
4863 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4864
4865         PR target/70809
4866         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4867
4868 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4869
4870         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4871
4872 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4873
4874         PR target/71114
4875         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4876         insertion point for instructions generated by validize_mem.
4877
4878 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4879
4880         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4881         in brackets.
4882
4883 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4884
4885         * config/aarch64/aarch64.c
4886         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4887         rather than a macro.
4888
4889 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4890
4891         * doc/invoke.texi (AArch64 Options): Various updates.
4892
4893 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4894
4895         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4896         into instrumentation thunks.
4897         * cif-code.def (CIF_CHKP): New.
4898
4899 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4900
4901         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4902
4903 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4904
4905         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4906         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4907
4908 2016-05-16  Marek Polacek  <polacek@redhat.com>
4909
4910         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4911         commentary.
4912
4913 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4914
4915         PR hsa/70857
4916         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4917         the outlined kernel function.
4918
4919 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4920
4921         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4922         (ISA_HAS_DLSA): Ditto.
4923
4924 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4925
4926         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4927
4928 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4929
4930         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4931         (nvptx_name_replacement): Restore.  Add comment.
4932         (write_fn_proto, write_fn_proto_from_insn,
4933         nvptx_output_call_insn): Restore
4934         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4935
4936 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4937
4938         * config/aarch64/aarch64.md
4939         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4940         (add<mode>3_compareC_imm): Likewise.
4941         (<optab>si3_uxtw): Split into register and immediate variants.
4942         (andsi3_compare0_uxtw): Likewise.
4943         (and<mode>3_compare0): Likewise.
4944         (and<mode>3nr_compare0): Likewise.
4945         (stack_protect_test_<mode>): Don't use %x for memory operands.
4946
4947 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4948
4949         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4950
4951 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4952
4953         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4954         Split integer shifts into shift_reg and bfm.
4955         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4956         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4957         (ror<mode>3_insn): Likewise.
4958         (<optab>si3_insn_uxtw): Likewise.
4959         (<optab><mode>3_insn): Change to rotate_imm.
4960         (extr<mode>5_insn_alt): Likewise.
4961         (extrsi5_insn_uxtw): Likewise.
4962         (extrsi5_insn_uxtw_alt): Likewise.
4963
4964 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4965
4966         * doc/tm.texi: Regenerate.
4967         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4968         (TARGET_INVALID_RETURN_TYPE): Remove.
4969         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4970         TARGET_INVALID_RETURN_TYPE.
4971         * target.def (invalid_parameter_type): Remove.
4972         (invalid_return_type): Remove.
4973
4974 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4975
4976         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4977         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4978         calls from thunk.
4979         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4980         gimple body.
4981         (preserve_function_body_p): No need to preserve function body
4982         * cif-codes.def (CIF_THUNK): Remove.
4983         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4984
4985 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4986
4987         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4988
4989 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4990
4991         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4992         for thunks.
4993
4994 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4995
4996         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4997         (inline_small_functions): Do not look for function symbol when
4998         resetting caches.
4999
5000 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
5001
5002         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
5003         of inline thunks
5004
5005 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
5006             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5007             Jiong Wang  <jiong.wang@arm.com>
5008
5009         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
5010         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
5011         Define __ARM_FP16_ARGS when appropriate.
5012         * config/arm/arm.c (arm_invalid_parameter_type): Remove
5013         declaration.
5014         (arm_invalid_return_type): Likewise.
5015         (TARGET_INVALID_PARAMETER_TYPE): Remove.
5016         (TARGET_INVALID_RETURN_TYPE): Remove.
5017         (aapcs_vfp_sub_candidate): Allow HFmode.
5018         (aapcs_vfp_allocate): Add comment.  Support HFmode.
5019         (aapcs_vfp_allocate_return_reg): Likewise.
5020         (struct aapcs_cp_arg_layout): Slightly reword comments for
5021         is_return_candidate and allocate_return_reg.
5022         (output_mov_vfp): Update assert.
5023         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
5024         condition.
5025         (arm_invalid_parameter_type): Remove.
5026         (amr_invalid_return_type): Remove.
5027         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
5028         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
5029         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
5030
5031 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
5032
5033         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
5034         * config/aarch64/arch64-protos.h
5035         (aarch64_legitimize_reload_address): Remove.
5036         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
5037         Remove.
5038
5039 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
5040
5041         * configure.ac: Add ACX_NONCANONICAL_HOST.
5042         * configure: Regenerate.
5043         * Makefile.in: Set host_noncanonical.
5044
5045 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
5046
5047         PR target/71097
5048         * config/i386/i386.md (*movtf_internal): Before register allocation,
5049         do not allow FP constants for CM_MEDIUM memory model, allow only
5050         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
5051         (*movxf_internal): Ditto.
5052         (*movdf_internal): Ditto.
5053         (*movsf_internal): Ditto.
5054
5055 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
5056
5057         PR rtl-optimization/67483
5058         * combine.c (make_compound_operation): Don't call extract_left_shift
5059         with negative shift amounts.
5060
5061 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
5062
5063         PR bootstrap/71071
5064         * fold-const.c (fold_checksum_tree): Allow modification
5065         of TYPE_ALIAS_SET during folding.
5066
5067         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
5068         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
5069         (ix86_split_to_parts): Likewise.  Fix up formatting.
5070
5071 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
5072
5073         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
5074         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
5075         printf format.
5076
5077 2016-05-13  Nathan Sidwell  <nathan@acm.org>
5078
5079         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
5080         (nvptx_name_replacement): Delete.
5081         (write_fn_proto, write_fn_proto_from_insn,
5082         nvptx_output_call_insn): Remove nvptx_name_replacement call.
5083         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
5084         * langhooks.c (add_builtin_funcction_common): Call
5085         targetm.mangle_decl_assembler_name.
5086
5087         * config/nvptx/nvptx.c (write_fn_proto): Handle
5088         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
5089
5090 2016-05-13  Martin Liska  <mliska@suse.cz>
5091
5092         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
5093         and PRIu64 in printf format.
5094
5095 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5096
5097         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
5098         comment.
5099
5100 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5101
5102         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5103         Change --param max-completely-peeled-times to
5104         --param max-completely-peel-times in dump file printing.
5105
5106 2016-05-13  Richard Biener  <rguenther@suse.de>
5107
5108         PR tree-optimization/42587
5109         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
5110         (find_bswap_or_nop_1): Likewise.
5111         (bswap_replace): Likewise.
5112
5113 2016-05-13  Martin Liska  <mliska@suse.cz>
5114
5115         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
5116         Initialize a variable with default value.
5117
5118 2016-05-13  Martin Liska  <mliska@suse.cz>
5119
5120         * doc/invoke.texi: Enhance explanation of error recovery
5121         of sanitizers.
5122
5123 2016-05-13  Martin Liska  <mliska@suse.cz>
5124
5125         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
5126         (struct cost_pair): Change inv_expr_id (int) to inv_expr
5127         (iv_inv_expr_ent *).
5128         (struct iv_inv_expr_ent): Comment struct fields.
5129         (sort_iv_inv_expr_ent): New function.
5130         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
5131         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
5132         a hash_map between iv_inv_expr_ent and number of usages.
5133         (niter_for_exit): Fix coding style.
5134         (tree_ssa_iv_optimize_init): Use renamed variable.
5135         (determine_base_object): Fix coding style.
5136         (alloc_iv): Likewise.
5137         (find_interesting_uses_outside): Likewise.
5138         (add_candidate_1): Likewise.
5139         (add_standard_iv_candidates): Likewise.
5140         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
5141         (prepare_decl_rtl): Fix coding style.
5142         (get_address_cost): Likewise.
5143         (get_shiftadd_cost): Likewise.
5144         (force_expr_to_var_cost): Likewise.
5145         (compare_aff_trees): Likewise.
5146         (get_expr_id): Restructure the function.
5147         (get_loop_invariant_expr_id): Renamed to
5148         get_loop_invariant_expr.
5149         (get_computation_cost_at): Replace usage of inv_expr_id with
5150         inv_expr.
5151         (get_computation_cost): Likewise.
5152         (determine_group_iv_cost_generic): Likewise.
5153         (determine_group_iv_cost_address): Likewise.
5154         (iv_period): Fix coding style.
5155         (iv_elimination_compare_lt): Likewise.
5156         (may_eliminate_iv): Likewise.
5157         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
5158         inv_expr.
5159         (determine_group_iv_costs): Dump invariant expressions.
5160         (iv_ca_recount_cost): Use the newly added hash_map.
5161         (iv_ca_set_remove_invariants): Fix coding style.
5162         (iv_ca_set_add_invariants): Fix coding style.
5163         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
5164         invariants.
5165         (iv_ca_set_cp): Likewise.
5166         (iv_ca_new): Initialize the newly added hash_map and remove
5167         initialization of fields.
5168         (iv_ca_free): Delete the hash_map.
5169         (iv_ca_dump): Dump invariant expressions.
5170         (iv_ca_extend): Fix coding style.
5171         (try_add_cand_for): Likewise.
5172         (create_new_ivs): Dump information about # of avg iterations and
5173         # of used invariant expressions.
5174         (rewrite_use_compare): Fix coding style.
5175         (free_loop_data): Set default value for max_inv_expr_id.
5176
5177 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
5178
5179         * cse.c (rest_of_handle_cse): Use cleanup_cfg
5180         returned value cse_cfg_altered computation.
5181         (rest_of_handle_cse2): Likewise.
5182         (rest_of_handle_cse_after_global_opts): Likewise.
5183
5184 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5185
5186         PR target/53440
5187         * config/arm/arm.c (arm32_output_mi_thunk): New.
5188         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
5189         to split Thumb1 vs TARGET_32BIT functionality.
5190         (arm_thumb1_mi_thunk): New.
5191
5192 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5193
5194         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
5195         to true.
5196
5197 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5198
5199         PR target/71080
5200         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
5201
5202 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
5203
5204         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
5205         (expand_builtin_trap): Emit a regular call.
5206         (set_builtin_user_assembler_name): Remove obsolete cases.
5207         * dse.c (scan_insn): Adjust.
5208         * except.c: Include calls.h.
5209         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
5210         emit a regular call to setjmp.
5211         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
5212         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
5213         (emit_block_move_via_libcall): Delete.
5214         (block_move_fn): Delete.
5215         (init_block_move_fn): Likewise.
5216         (emit_block_move_libcall_fn): Likewise.
5217         (emit_block_op_via_libcall): New function.
5218         (set_storage_via_libcall): Tidy up and use memset builtin.
5219         (block_clear_fn): Delete.
5220         (init_block_clear_fn): Likewise.
5221         (clear_storage_libcall_fn): Likewise.
5222         (expand_assignment): Call emit_block_move_via_libcall.
5223         Do not include gt-expr.h.
5224         * expr.h (emit_block_op_via_libcall): Declare.
5225         (emit_block_copy_via_libcall): New inline function.
5226         (emit_block_move_via_libcall): Likewise.
5227         (emit_block_comp_via_libcall): Likewise.
5228         (block_clear_fn): Delete.
5229         (init_block_move_fn): Likewise.
5230         (init_block_clear_fn): Likewise.
5231         (emit_block_move_via_libcall): Likewise.
5232         (set_storage_via_libcall): Add default parameter value.
5233         * libfuncs.h (enum libfunc_index): Remove obsolete values.
5234         (abort_libfunc): Delete.
5235         (memcpy_libfunc): Likewise.
5236         (memmove_libfunc): Likewise.
5237         (memcmp_libfunc): Likewise.
5238         (memset_libfunc): Likewise.
5239         (setbits_libfunc): Likewise.
5240         (setjmp_libfunc): Likewise.
5241         (longjmp_libfunc): Likewise.
5242         (profile_function_entry_libfunc): Likewise.
5243         (profile_function_exit_libfunc): Likewise.
5244         (gcov_flush_libfunc): Likewise.
5245         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
5246         and DECL_VISIBILITY on the declaration.
5247         (init_optabs): Do not initialize obsolete libfuncs.
5248         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
5249         * tree-core.h (ECF_RET1): Define.
5250         (ECF_TM_PURE): Adjust.
5251         (ECF_TM_BUILTIN): Likewise.
5252         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
5253         (build_common_builtin_nodes): Initialize abort builtin.
5254         Add ECF_RET1 on memcpy, memmove and memset builtins.
5255         Pass final flags for alloca and alloca_with_align builtins.
5256         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
5257         obsolete builtins.
5258         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
5259         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
5260         set_storage_via_libcall and call emit_block_copy_via_libcall.
5261
5262 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
5263
5264         * config/i386/i386.md (*call_got_x32): Change operand 0 to
5265         DImode before it is passed to ix86_output_call_operand.
5266         (*call_value_got_x32): Ditto for operand 1.
5267
5268 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
5269
5270         PR rtl-optimization/70904
5271         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
5272         reload for wide mode.
5273
5274 2016-05-12  Marek Polacek  <polacek@redhat.com>
5275
5276         PR c/70756
5277         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
5278         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
5279         * langhooks.h (incomplete_type_error): Likewise.
5280         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
5281         parameter, pass it down to incomplete_type_error.
5282         * tree.h (size_in_bytes): New inline overload.
5283         (size_in_bytes_loc): Renamed from size_in_bytes.
5284
5285 2016-05-12  Richard Biener  <rguenther@suse.de>
5286
5287         PR tree-optimization/71059
5288         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
5289         nary before looking up or entering the expression into the VN
5290         hashes.
5291         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
5292         Make sure to re-use NARYs without result as inserted by
5293         phi-translation.
5294
5295 2016-05-12  Richard Biener  <rguenther@suse.de>
5296
5297         PR tree-optimization/71062
5298         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5299         field.
5300         * tree-ssa-structalias.c (set_uids_in_ptset): Set
5301         vars_contains_restrict if the var is a restrict tag.
5302         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
5303         do not disambiguate pointers against it.
5304         (dump_points_to_solution): Re-structure and adjust for new
5305         vars_contains_restrict flag.
5306         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
5307
5308 2016-05-12  Martin Liska  <mliska@suse.cz>
5309
5310         * doc/invoke.texi: Explain connection between
5311         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
5312
5313 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
5314
5315         PR tree-optimization/71006
5316         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
5317         consider COND_EXPR as a mask producer.
5318
5319 2016-05-12  Marek Polacek  <polacek@redhat.com>
5320
5321         PR driver/71063
5322         * opts.c (common_handle_option): Detect missing argument for --help^.
5323
5324 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5325
5326         PR target/70830
5327         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
5328         when popping the PC and within an interrupt handler routine.
5329         Add missing tab to output of "ldmfd".
5330         (output_return_instruction): Output LDMFD with SP update rather
5331         than POP when returning from interrupt handler.
5332
5333 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
5334
5335         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
5336         TARGET_64BIT && TARGET_AVX512DQ.
5337         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
5338         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
5339         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
5340         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
5341         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
5342         (*vec_extractv4si_zext): Add avx512dq alternative.
5343         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
5344         use v instead of x constraint in other alternatives where possible.
5345
5346         * config/i386/sse.md (sse2_loadld): Use v instead of x
5347         constraint in alternatives 0,1,4.
5348
5349         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
5350         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
5351         v constraints instead of x and <pinsr_evex_isa> isa attribute.
5352
5353         PR target/71019
5354         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
5355         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
5356         is not emitted unless TARGET_AVX512BW.
5357         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
5358         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
5359         for the result operand.
5360
5361         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
5362         constraint instead of x in avx alternatives.  Use maybe_evex instead
5363         of vex prefix.
5364
5365         * config/i386/constraints.md (Yv): New constraint.
5366         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
5367         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
5368         * config/i386/i386.md (avx512fvecmode): New mode attr.
5369         (*pushtf): Use v constraint instead of x.
5370         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
5371         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
5372         (*absneg<mode>2): Use Yv constraint instead of x constraint.
5373         (*absnegtf2_sse): Likewise.
5374         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
5375         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
5376         avx512f alternatives.
5377         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
5378
5379 2016-05-12  Richard Biener  <rguenther@suse.de>
5380
5381         PR tree-optimization/71060
5382         * tree-data-ref.c (initialize_data_dependence_relation): Do not
5383         require exact match of DR_BASE_OBJECT but only matching address and
5384         type.
5385
5386 2016-05-12  Richard Biener  <rguenther@suse.de>
5387
5388         PR tree-optimization/70986
5389         * cfganal.c: Include cfgloop.h.
5390         (dfs_find_deadend): Prefer to take edges exiting loops.
5391
5392 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5393
5394         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
5395         compile and run time.
5396
5397 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
5398
5399         PR c/43651
5400         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
5401
5402 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
5403
5404         * config/i386/i386.c (legitimize_pic_address): Use
5405         copy_to_suggested_reg instead of gen_movsi.
5406
5407 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5408
5409         * config/rs6000/predicates.md (quad_memory_operand): Move most of
5410         the code into quad_address_p and call it to share code with
5411         vsx_quad_dform_memory_operand.
5412         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
5413         d-form support.
5414         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
5415         bit instead of being a separate word.  Split -mpower9-dform into
5416         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5417         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
5418         for the register class supporting 128-bit quad word memory offsets.
5419         (mode_supports_vsx_dform_quad): Helper function to return if the
5420         register class uses quad word memory offsets.
5421         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
5422         (rs6000_debug_reg_global): Always print if we are using LRA or not.
5423         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
5424         instructions are enabled, set up the appropriate addr_masks for
5425         128-bit types.
5426         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
5427         -mpower9-dform-scalar, instead of -mpower9-dform.
5428         (rs6000_option_override_internal): Split -mpower9-dform into two
5429         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
5430         -mpower9-dform switch sets or clears both.  If we are not using
5431         the LRA register allocator, do not enable -mpower9-dform-vector by
5432         default.  If we are using LRA, enable -mpower9-dform-vector and
5433         -mvsx-timode if it is appropriate.  Issue a warning if either
5434         -mpower9-dform-vector or -mvsx-timode are explicitly used without
5435         enabling LRA.
5436         (quad_address_offset_p): New helper function to return if the
5437         offset is legal for quad word memory instructions.
5438         (quad_address_p): New function to determin if GPR or vector
5439         register quad word memory addresses are legal.
5440         (mem_operand_gpr): Validate quad word address offsets.
5441         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
5442         d-form (register + offset) instructions.
5443         (offsettable_ok_by_alignment): Likewise.
5444         (rs6000_legitimate_offset_address_p): Likewise.
5445         (legitimate_lo_sum_address_p): Likewise.
5446         (rs6000_legitimize_address): Likewise.
5447         (rs6000_legitimize_reload_address): Add more debug statements for
5448         -mdebug=addr.
5449         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
5450         d-form instructions.
5451         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
5452         d-form instructions.  Distinguish different cases in debug
5453         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
5454         d-form instructions.
5455         (rs6000_preferred_reload_class): Likewise.
5456         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
5457         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
5458         of the ISA 2.06 indexed memory instructions.
5459         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
5460         use them to save/restore the saved vector registers instead of
5461         using Altivec instructions.
5462         (rs6000_emit_epilogue): Likewise.
5463         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
5464         (rs6000_opt_masks): Split -mpower9-dform into
5465         -mpower9-dform-scalar and -mpower9-dform-vector.
5466         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
5467         was not selected.
5468         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
5469         ISA 3.0 vector indexed memory instructions, and fold the code into
5470         the normal mov<mode> patterns.
5471         (p9_vecstore_<mode>): Likewise.
5472         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
5473         instructions.
5474         (vsx_movti_64bit): Likewise.
5475         (vsx_movti_32bit): Likewise.
5476         * config/rs6000/constraints.md (wO constraint): New constraint for
5477         ISA 3.0 vector d-form support.
5478         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
5479         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
5480         include -mpower9-dform-vector until we switch over to LRA.
5481         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
5482         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5483         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
5484         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5485         for -mpower9-dform and -mlra.
5486         * doc/md.texi (wO constraint): Document wO constraint.
5487
5488 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
5489
5490         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
5491         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
5492         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
5493         Move handling of non-insn arguments inline into the sole user:
5494         (output_trans_func): ...here.
5495         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
5496         in emitted function prototype.
5497         (output_internal_insn_latency_func): Ditto.  Simplify.
5498         (output_internal_maximal_insn_latency_func): Ditto.  Delete
5499         always-unused argument.
5500         (output_insn_latency_func): Ditto.
5501         (output_maximal_insn_latency_func): Ditto.
5502
5503 2016-05-11  Richard Biener  <rguenther@suse.de>
5504
5505         PR tree-optimization/71055
5506         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5507         sth with precision not equal to access size verify we don't chop
5508         off bits.
5509
5510 2016-05-11  Richard Biener  <rguenther@suse.de>
5511
5512         PR debug/71057
5513         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5514         (dwarf2out_finish): Move retry_incomplete_types call ...
5515         (dwarf2out_early_finish): ... here.
5516
5517 2016-05-11  Richard Biener  <rguenther@suse.de>
5518
5519         PR middle-end/71002
5520         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
5521         if the langhook insists on it.
5522         * fold-const.c (make_bit_field_ref): Add arg for the original
5523         reference and preserve its alias-set.
5524         (decode_field_reference): Take exp by reference and adjust it
5525         to the original memory reference.
5526         (optimize_bit_field_compare): Adjust callers.
5527         (fold_truth_andor_1): Likewise.
5528         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
5529
5530 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
5531
5532         PR middle-end/70807
5533         * cfgrtl.h (delete_insn_and_edges): Now return bool.
5534         * cfgrtl.c (delete_insn_and_edges): Likewise.
5535         * config/i386/i386.c (convert_scalars_to_vector): Remove
5536         redundant code.
5537         * cse.c (cse_insn): Compute cse_cfg_altered.
5538         (delete_trivially_dead_insns): Likewise.
5539         (cse_cc_succs): Likewise.
5540         (rest_of_handle_cse): Free dominance info if required.
5541         (rest_of_handle_cse2): Likewise.
5542         (rest_of_handle_cse_after_global_opts): Likewise.
5543
5544 2016-05-11  Alan Modra  <amodra@gmail.com>
5545
5546         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
5547         abi_v4_pass_in_fpr): New functions.
5548         (rs6000_function_arg_boundary): Exclude complex IBM long double
5549         from 64-bit alignment when ABI_V4.
5550         (rs6000_function_arg, rs6000_function_arg_advance_1,
5551         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
5552
5553 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
5554
5555         PR rtl-optimization/71028
5556         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
5557         jump with just a return in the fallthrough block if the branch
5558         block contains just a return as well.
5559
5560 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
5561
5562         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
5563         * match.pd ((X & Y) ^ Y): ... this.
5564         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
5565         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
5566
5567 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5568
5569         * read-md.c (require_char_ws): New function.
5570         (read_string): Simplify using require_char_ws.
5571         (handle_constants): Likewise.
5572         (handle_enum): Likewise.
5573         (handle_file): Likewise.
5574         * read-md.h (require_char_ws): New declaration.
5575         * read-rtl.c (read_conditions): Simplify using require_char_ws.
5576         (read_mapping): Likewise.
5577         (read_rtx_code): Likewise.
5578         (read_nested_rtx): Likewise.
5579
5580 2016-05-10  James Norris  <jnorris@codesourcery.com>
5581
5582         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
5583         if offloading is enabled and -fopenacc or -fopenmp is specified.
5584         (CRTOFFLOADEND): Likewise.
5585         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
5586         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
5587
5588 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
5589
5590         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
5591         gotoff_operand code paths.  Use copy_to_suggested_regs and
5592         expand_simple_binop where appropriate.  Cleanup.
5593
5594 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5595
5596         PR target/70799
5597         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5598         integer constants.
5599         (dimode_scalar_chain::vector_const_cost): New.
5600         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5601         (dimode_scalar_chain::convert_op): Likewise.
5602         (dimode_scalar_chain::convert_insn): Likewise.
5603
5604 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5605
5606         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5607         unary operation, not a binary one.
5608
5609 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5610
5611         PR middle-end/70877
5612         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5613         calls with type casted fndecl.
5614
5615 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5616
5617         PR tree-optimization/70786
5618         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5619         * calls.c (initialize_argument_information): Bind bounds
5620         with corresponding args passed by reference.
5621
5622 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5623
5624         PR target/70927
5625         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5626         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5627         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5628         accordingly.
5629
5630 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5631
5632         PR target/70963
5633         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5634         code for a zero scale factor.
5635         (vsx_xvcvdpuxds_scale): Likewise.
5636
5637 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5638
5639         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5640         if show_ruler_p was set on the context.
5641         (layout::show_ruler): New method.
5642         * diagnostic.h (struct diagnostic_context): Add field
5643         "show_ruler_p".
5644
5645 2016-05-10  Richard Biener  <rguenther@suse.de>
5646
5647         PR tree-optimization/71039
5648         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5649         (chk_uses): New function.
5650         (propagate_with_phi): Verify we can safely replicate the lhs of an
5651         aggregate assignment on all incoming edges.
5652
5653 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5654
5655         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5656         Forward declare.
5657         (rx_atomic_sequence): New class.
5658         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5659         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5660         non-inline.
5661         (rx_atomic_sequence::rx_atomic_sequence,
5662         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5663         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5664         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5665         CTRLREG_INTB): New constants.
5666         (FETCHOP): New code iterator.
5667         (fethcop_name, fetchop_name2): New iterator code attributes.
5668         (QIHI): New mode iterator.
5669         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5670         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5671         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5672
5673 2016-05-10  Martin Liska  <mliska@suse.cz>
5674
5675         * tree-inline.c (remap_dependence_clique): Do not remap
5676         debugging statements.
5677
5678 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5679
5680         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5681         ("*fixuns_truncdfdi2_z13")
5682         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5683         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5684         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5685
5686 2016-05-10  Richard Biener  <rguenther@suse.de>
5687
5688         PR tree-optimization/70497
5689         PR tree-optimization/28367
5690         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5691         split out from ...
5692         (visit_reference_op_load): ... here.
5693         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5694         with simplified BIT_FIELD_REFs.
5695         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5696         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5697         correctly.
5698
5699 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5700
5701         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5702         documentation comment.  For BLOCK nodes, add a
5703         DW_AT_abstract_origin attribute that points to the DIE generated
5704         for the origin BLOCK.
5705         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5706         blocks from inlined functions.
5707
5708 2016-05-10  Alan Modra  <amodra@gmail.com>
5709
5710         PR target/70947
5711         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5712         regrename modifying insns saving lr before __morestack call.
5713         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5714         insns restoring lr after __morestack call.
5715
5716 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5717
5718         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5719         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5720         expanders.
5721         * config/i386/sse.md (vec_interleave_high<mode>,
5722         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5723         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5724
5725 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5726
5727         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5728         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5729         parallel reassociation for power8 and forward.
5730
5731 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5732
5733         * config/i386/i386.md (absneg splitters with general regs): Use
5734         general_reg_operand predicate.
5735         (btsq peephole2): Use x86_64_immediate_operand to check if new
5736         value is suitable for immediate operand.  Generate emitted insn
5737         using RTL expressions.
5738         (btcq peephole2): Ditto.
5739         (btrq peephole2): Ditto.  Generate correct immediate operand
5740         for AND masking.
5741
5742 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5743
5744         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5745         bitpos.
5746
5747 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5748
5749         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5750         pointer dereference.
5751
5752 2016-05-09  Richard Biener  <rguenther@suse.de>
5753
5754         PR tree-optimization/70985
5755         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5756         op0 isn't a gimple register.
5757
5758 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5759
5760         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5761         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5762         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5763         (i6400_fpu_mult): New cpu units.
5764         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5765         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5766         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5767         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5768         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5769         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5770         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5771         (i6400_msa_long_float4, i6400_msa_long_float5)
5772         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5773         (i6400_msa_fdiv_sf): New reservations.
5774         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5775         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5776         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5777         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5778         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5779         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5780         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5781         (msa_short_store4, msa_long_load, msa_short_store)
5782         (msa_long_logic, msa_long_float2, msa_long_float4)
5783         (msa_long_float5, msa_long_float8, msa_long_mult)
5784         (msa_long_fdiv, msa_long_div): New reservations.
5785
5786 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5787             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5788             Matthew Fortune  <matthew.fortune@imgtec.com>
5789             Graham Stott  <graham.stott@imgtec.com>
5790             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5791
5792         * config.gcc: Add MSA header file for mips*-*-* target.
5793         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5794         (Ubv8i, Urv8):  New constraints.
5795         * config/mips/mips-ftypes.def: Add function types for MSA
5796         builtins.
5797         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5798         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5799         * config/mips/mips-msa.md: New file.
5800         * config/mips/mips-protos.h
5801         (mips_split_128bit_const_insns): New prototype.
5802         (mips_msa_idiv_insns): Likewise.
5803         (mips_split_128bit_move): Likewise.
5804         (mips_split_128bit_move_p): Likewise.
5805         (mips_split_msa_copy_d): Likewise.
5806         (mips_split_msa_insert_d): Likewise.
5807         (mips_split_msa_fill_d): Likewise.
5808         (mips_expand_msa_branch): Likewise.
5809         (mips_const_vector_same_val_p): Likewise.
5810         (mips_const_vector_same_bytes_p): Likewise.
5811         (mips_const_vector_same_int_p): Likewise.
5812         (mips_const_vector_shuffle_set_p): Likewise.
5813         (mips_const_vector_bitimm_set_p): Likewise.
5814         (mips_const_vector_bitimm_clr_p): Likewise.
5815         (mips_msa_vec_parallel_const_half): Likewise.
5816         (mips_msa_output_division): Likewise.
5817         (mips_ldst_scaled_shift): Likewise.
5818         (mips_expand_vec_cond_expr): Likewise.
5819         * config/mips/mips.c (enum mips_builtin_type): Add
5820         MIPS_BUILTIN_MSA_TEST_BRANCH.
5821         (mips_gen_const_int_vector_shuffle): New prototype.
5822         (mips_const_vector_bitimm_set_p): New function.
5823         (mips_const_vector_bitimm_clr_p): Likewise.
5824         (mips_const_vector_same_val_p): Likewise.
5825         (mips_const_vector_same_bytes_p): Likewise.
5826         (mips_const_vector_same_int_p): Likewise.
5827         (mips_const_vector_shuffle_set_p): Likewise.
5828         (mips_symbol_insns): Forbid loading symbols via immediate for
5829         MSA.
5830         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5831         stores.
5832         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5833         MSA.
5834         (mips_lx_address_p): Add support load indexed address for MSA.
5835         (mips_address_insns): Add calculation of instructions needed for
5836         stores and loads for MSA.
5837         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5838         CONST_VECTOR for MSA and let it fall through.
5839         (mips_ldst_scaled_shift): New function.
5840         (mips_subword_at_byte): Likewise.
5841         (mips_msa_idiv_insns): Likewise.
5842         (mips_legitimize_move): Validate MSA moves.
5843         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5844         calculation of costs for MSA division.
5845         (mips_split_move_p): Check if MSA moves need splitting.
5846         (mips_split_move): Split MSA moves if necessary.
5847         (mips_split_128bit_move_p): New function.
5848         (mips_split_128bit_move): Likewise.
5849         (mips_split_msa_copy_d): Likewise.
5850         (mips_split_msa_insert_d): Likewise.
5851         (mips_split_msa_fill_d): Likewise.
5852         (mips_output_move): Handle MSA moves.
5853         (mips_expand_msa_branch): New function.
5854         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5855         Reinstate 'y' modifier.
5856         (mips_file_start): Add MSA .gnu_attribute.
5857         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5858         FPRs.
5859         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5860         (mips_class_max_nregs): Add register size for MSA supported mode.
5861         (mips_cannot_change_mode_class): Allow conversion between MSA
5862         vector modes and TImode.
5863         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5864         instruction.
5865         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5866         (mips_preferred_simd_mode): Add preffered modes for MSA.
5867         (mips_vector_mode_supported_p): Add MSA supported modes.
5868         (mips_autovectorize_vector_sizes): New function.
5869         (mips_msa_output_division): Likewise.
5870         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5871         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5872         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5873         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5874         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5875         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5876         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5877         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5878         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5879         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5880         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5881         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5882         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5883         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5884         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5885         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5886         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5887         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5888         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5889         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5890         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5891         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5892         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5893         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5894         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5895         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5896         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5897         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5898         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5899         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5900         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5901         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5902         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5903         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5904         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5905         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5906         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5907         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5908         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5909         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5910         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5911         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5912         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5913         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5914         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5915         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5916         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5917         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5918         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5919         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5920         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5921         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5922         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5923         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5924         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5925         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5926         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5927         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5928         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5929         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5930         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5931         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5932         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5933         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5934         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5935         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5936         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5937         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5938         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5939         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5940         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5941         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5942         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5943         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5944         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5945         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5946         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5947         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5948         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5949         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5950         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5951         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5952         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5953         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5954         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5955         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5956         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5957         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5958         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5959         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5960         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5961         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5962         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5963         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5964         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5965         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5966         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5967         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5968         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5969         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5970         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5971         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5972         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5973         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5974         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5975         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5976         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5977         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5978         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5979         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5980         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5981         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5982         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5983         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5984         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5985         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5986         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5987         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5988         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5989         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5990         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5991         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5992         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5993         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5994         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5995         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5996         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5997         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5998         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5999         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
6000         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
6001         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
6002         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
6003         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
6004         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
6005         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
6006         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
6007         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
6008         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
6009         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
6010         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
6011         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
6012         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
6013         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
6014         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
6015         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
6016         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
6017         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
6018         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
6019         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
6020         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
6021         move_v builtins.
6022         (mips_get_builtin_decl_index): New array.
6023         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
6024         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
6025         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
6026         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
6027         (mips_init_builtins): Initialize mips_get_builtin_decl_index
6028         array.
6029         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
6030         hook.
6031         (mips_expand_builtin_insn): Prepare operands for
6032         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
6033         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
6034         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
6035         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
6036         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
6037         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
6038         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
6039         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
6040         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
6041         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
6042         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
6043         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
6044         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
6045         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
6046         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
6047         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
6048         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
6049         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
6050         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
6051         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
6052         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
6053         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
6054         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
6055         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
6056         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
6057         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
6058         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
6059         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
6060         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
6061         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
6062         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
6063         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
6064         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
6065         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
6066         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
6067         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
6068         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
6069         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
6070         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
6071         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
6072         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
6073         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
6074         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
6075         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
6076         These are set implicitly and an error is reported if overridden.
6077         (mips_expand_builtin_msa_test_branch): New function.
6078         (mips_expand_msa_shuffle): Likewise.
6079         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
6080         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
6081         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
6082         (mips_expand_vec_unpack): Add support for MSA.
6083         (mips_expand_vector_init): Likewise.
6084         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
6085         instead of const0_rtx.
6086         (mips_msa_vec_parallel_const_half): New function.
6087         (mips_gen_const_int_vector): Likewise.
6088         (mips_gen_const_int_vector_shuffle): Likewise.
6089         (mips_expand_msa_cmp): Likewise.
6090         (mips_expand_vec_cond_expr): Likewise.
6091         * config/mips/mips.h
6092         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
6093         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
6094         specified.
6095         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
6096         (ISA_HAS_MSA): New macro.
6097         (UNITS_PER_MSA_REG): Likewise.
6098         (BITS_PER_MSA_REG): Likewise.
6099         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
6100         (MSA_REG_FIRST): New macro.
6101         (MSA_REG_LAST): Likewise.
6102         (MSA_REG_NUM): Likewise.
6103         (MSA_REG_P): Likewise.
6104         (MSA_REG_RTX_P): Likewise.
6105         (MSA_SUPPORTED_MODE_P): Likewise.
6106         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
6107         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
6108         * config/mips/mips.md: Include mips-msa.md.
6109         (alu_type): Add simd_add.
6110         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
6111         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
6112         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
6113         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
6114         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
6115         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
6116         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
6117         simd_move, simd_load, simd_store.  Choose "multi" for moves
6118         for "qword_mode".
6119         (qword_mode): New attribute.
6120         (insn_count): Add instruction count for quad moves.
6121         Increase the count for MIPS SIMD division.
6122         (UNITMODE): Add UNITMODEs for vector types.
6123         (addsub): New code iterator.
6124         * config/mips/mips.opt (mmsa): New option.
6125         * config/mips/msa.h: New file.
6126         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
6127         specified.
6128         * config/mips/mti-linux.h: Likewise.
6129         * config/mips/predicates.md
6130         (const_msa_branch_operand): New constraint.
6131         (const_uimm3_operand): Likewise.
6132         (const_uimm4_operand): Likewise.
6133         (const_uimm5_operand): Likewise.
6134         (const_uimm8_operand): Likewise.
6135         (const_imm5_operand): Likewise.
6136         (aq10b_operand): Likewise.
6137         (aq10h_operand): Likewise.
6138         (aq10w_operand): Likewise.
6139         (aq10d_operand): Likewise.
6140         (const_m1_operand): Likewise.
6141         (reg_or_m1_operand): Likewise.
6142         (const_exp_2_operand): Likewise.
6143         (const_exp_4_operand): Likewise.
6144         (const_exp_8_operand): Likewise.
6145         (const_exp_16_operand): Likewise.
6146         (const_vector_same_val_operand): Likewise.
6147         (const_vector_same_simm5_operand): Likewise.
6148         (const_vector_same_uimm5_operand): Likewise.
6149         (const_vector_same_uimm6_operand): Likewise.
6150         (const_vector_same_uimm8_operand): Likewise.
6151         (par_const_vector_shf_set_operand): Likewise.
6152         (reg_or_vector_same_val_operand): Likewise.
6153         (reg_or_vector_same_simm5_operand): Likewise.
6154         (reg_or_vector_same_uimm6_operand): Likewise.
6155         * doc/extend.texi (MIPS SIMD Architecture Functions): New
6156         section.
6157         * doc/invoke.texi (-mmsa): Document new option.
6158
6159 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6160
6161         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
6162         * configure: Regenerate.
6163         * config.in: Regenerate.
6164         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
6165         on -fvtable-verify.
6166         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
6167         (ENDFILE_VTV_SPEC): Define.
6168
6169 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
6170
6171         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
6172         registers in all interrupt handlers if necessary.
6173         (rl78_option_override): Add warning.
6174         (MUST_SAVE_MDUC_REGISTERS): New macro.
6175         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
6176         * config/rl78/rl78.c (check_mduc_usage): New function.
6177         (mduc_regs): New structure to hold MDUC register data.
6178         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
6179         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
6180         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
6181         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
6182         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
6183         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
6184
6185 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
6186
6187         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
6188         (tree-ssa-loop-niter.h): Ditto.
6189         (idx_within_array_bound, ref_within_array_bound): New functions.
6190         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
6191         Factor out check on writable base object to ...
6192         (base_object_writable): ... here.
6193
6194 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6195
6196         * config/arm/arm.md (probe_stack): Add modes to set source
6197         and destination.
6198
6199 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
6200
6201         * regrename.c (base_reg_class_for_rename): New static function.
6202         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
6203
6204 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
6205
6206         * cgraph.c (thunk_adjust): Export.
6207         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
6208         * cgraphunit.c (thunk_adjust): Export.
6209         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
6210         thunks.
6211         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
6212         inlinable.
6213         * tree-inline.c (expand_call_inline): Expand thunks inline.
6214
6215 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
6216
6217         PR target/70998
6218         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
6219         (*sse2_vd_cvtss2sd): Ditto.
6220         * config/i386/i386.md
6221         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
6222         Generate *sse2_vd_cvtsd2ss pattern.
6223         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
6224         Generate *sse2_vd_cvtss2sd pattern.
6225
6226 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6227
6228         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
6229         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
6230         users.
6231
6232 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6233
6234         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
6235         * config/sh/sh.c: Define and declare variables on first use throughout
6236         the file.
6237         (current_function_interrupt): Change to bool type.
6238         (frame_insn): Rename to emit_frame_insn and update users.
6239         (push_regs): Use bool for 'interrupt_handler' argument.
6240         (save_schedule_s): Remove.
6241         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
6242         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
6243         targetm.asm_out.unaligned_op.di.
6244         (gen_far_branch): Remove redundant forward declaration.
6245         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
6246         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
6247         (sh_set_return_address, sh_function_ok_for_sibcall,
6248         scavenge_reg): Update comments.
6249         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
6250         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
6251         (sh_attr_renesas_p): Remove unnecessary parentheses.
6252         (branch_dest): Simplify.
6253         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
6254         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
6255         (CUMULATIVE_ARGS): Change macro to typedef.
6256         (current_function_interrupt): Change to bool type.
6257         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
6258         Surround with __cplusplus ifdef.
6259         (sh_compare_op0, sh_compare_op1): Remove.
6260         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
6261
6262 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
6263
6264         * config/arm/arm.md: (arch): Add neon.
6265         (arch_enabled): Return yes for arch neon when TARGET_NEON.
6266         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
6267         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
6268         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
6269         attributes for alt renumbering.  Mark alt 3 as non-predicable.
6270         (thumb2_movdf_vfp): Likewise.
6271
6272 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
6273
6274         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
6275         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
6276         (*andqi_1): Add preferred_for_speed attribute to disparage
6277         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
6278         (*<code>qi_1): Ditto.
6279         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
6280         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
6281         (*ashlqi3_1): Ditto.
6282         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
6283         Add preferred_for_size attribute to disparage alternative 0 and
6284         preferred_for_speed attribute to disparage alternative 1 for
6285         TARGET_PARTIAL_REG_STALL targets.
6286
6287 2016-05-07  Tom de Vries  <tom@codesourcery.com>
6288
6289         PR tree-optimization/70956
6290         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
6291         def.
6292
6293 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
6294
6295         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
6296         * config/sh/sh.c (sh_cbranch_distance): Implement it.
6297         * config/sh/sh.md (branch_zero): Remove define_attr.
6298         (define_delay): Disable delay slot if branch distance is one insn.
6299
6300 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6301
6302         * config/i386/i386.md (LEAMODE): New mode attribute.
6303         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
6304         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
6305         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
6306         operand 2 predicate.
6307         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
6308         (*lea<mode>_general_3): Ditto.
6309         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
6310
6311 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6312
6313         * genmddump.c (main): Convert argv from char ** to const char **.
6314
6315 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6316
6317         * coretypes.h (OVERRIDE): New macro.
6318         (FINAL): New macro.
6319
6320 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
6321
6322         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
6323         allow coalescing if the types are compatible.
6324
6325 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6326
6327         * pass_manager.h (pass_manager::register_pass_name): New method.
6328         (pass_manager::get_pass_by_name): New method.
6329         (pass_manager::create_pass_tab): New method.
6330         (pass_manager::m_name_to_pass_map): New field.
6331         * passes.c (name_to_pass_map): Delete global in favor of field
6332         "m_name_to_pass_map" of pass_manager.
6333         (register_pass_name): Rename from a function to...
6334         (pass_manager::register_pass_name): ...this method, updating
6335         for renaming of global "name_to_pass_map" to field
6336         "m_name_to_pass_map".
6337         (create_pass_tab): Rename from a function to...
6338         (pass_manager::create_pass_tab): ...this method, updating
6339         for renaming of global "name_to_pass_map" to field.
6340         (get_pass_by_name): Rename from a function to...
6341         (pass_manager::get_pass_by_name): ...this method.
6342         (enable_disable_pass): Convert use of get_pass_by_name to
6343         a method call, locating the pass_manager singleton.
6344
6345 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6346
6347         * genattr-common.c (main): Convert argv from char ** to const char **.
6348         * genattr.c (main): Likewise.
6349         * genattrtab.c (main): Likewise.
6350         * genautomata.c (initiate_automaton_gen): Likewise.
6351         (main): Likewise.
6352         * gencodes.c (main): Likewise.
6353         * genconditions.c (main): Likewise.
6354         * genconfig.c (main): Likewise.
6355         * genconstants.c (main): Likewise.
6356         * genemit.c (main): Likewise.
6357         * genenums.c (main): Likewise.
6358         * genextract.c (main): Likewise.
6359         * genflags.c (main): Likewise.
6360         * genmddeps.c (main): Likewise.
6361         * genopinit.c (main): Likewise.
6362         * genoutput.c (main): Likewise.
6363         * genpeep.c (main): Likewise.
6364         * genpreds.c (main): Likewise.
6365         * genrecog.c (main): Likewise.
6366         * gensupport.c (init_rtx_reader_args_cb): Likewise.
6367         (init_rtx_reader_args): Likewise.
6368         * gensupport.h (init_rtx_reader_args_cb): Likewise.
6369         (init_rtx_reader_args): Likewise.
6370         * gentarget-def.c (main): Likewise.
6371         * read-md.c (read_md_files): Likewise.
6372         * read-md.h (read_md_files): Likewise.
6373
6374 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6375
6376         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
6377         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
6378         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
6379         Remove unused predicate.
6380         (register_and_not_fp_reg_operand): Ditto.
6381
6382 2016-05-06  Martin Liska  <mliska@suse.cz>
6383
6384         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
6385         instead of vec as the vector is local to the function.
6386
6387 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6388
6389         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
6390         avx512bw alternative.
6391
6392         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
6393         before the ashr<mode>3 pattern.
6394
6395         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
6396         v instead of x in vex or maybe_vex alternatives, use
6397         maybe_evex instead of vex in prefix.
6398
6399         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
6400         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
6401         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
6402         in vex or maybe_vex alternatives, use maybe_evex instead of vex
6403         in prefix.
6404
6405         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
6406         v instead of x in vex or maybe_vex alternatives, use
6407         maybe_evex instead of vex in prefix.
6408
6409         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
6410         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
6411         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
6412         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
6413         alternatives, use maybe_evex instead of vex in prefix.
6414
6415         * config/i386/sse.md (vec_interleave_lowv4sf,
6416         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
6417         v instead of x in vex or maybe_vex alternatives, use
6418         maybe_evex instead of vex in prefix.
6419
6420         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
6421         v instead of x in vex or maybe_vex alternatives, use
6422         maybe_evex instead of vex in prefix.
6423
6424         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
6425         v constraint instead of x.
6426
6427 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6428
6429         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
6430         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
6431         equality first.
6432
6433 2016-05-06  Richard Biener  <rguenther@suse.de>
6434
6435         PR tree-optimization/70948
6436         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
6437         Properly clobber all fields of va_list for __builtin_va_start.
6438
6439 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
6440
6441         PR debug/70935
6442         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
6443         loop latch destination.
6444
6445 2016-05-06  Martin Liska  <mliska@suse.cz>
6446
6447         * tree-ssa-uninit.c: Apply manual changes
6448         to the GNU coding style.
6449         (prune_uninit_phi_opnds): Rename from
6450         prune_uninit_phi_opnds_in_unrealizable_paths.
6451
6452 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6453
6454         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
6455         mspace): Remove deprecated options.
6456         * doc/invoke.texi (SH options): Remove -mspace.
6457
6458 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6459
6460         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
6461
6462 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6463
6464         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
6465         corresponding combine split pattern.
6466
6467 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6468
6469         PR target/58219
6470         * config/sh/predicates.md (long_displacement_mem_operand): New.
6471         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
6472         Add movi20, movi20s alternatives.  Adjust length attribute for
6473         alternatives.
6474         (movsi_ie): Allow for any FPU.  Adjust length attribute for
6475         alternatives.
6476         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
6477         attribute for alternatives.
6478         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
6479         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
6480         length attribute for alternatives.
6481
6482 2016-05-06  Richard Biener  <rguenther@suse.de>
6483
6484         PR tree-optimization/70960
6485         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
6486
6487 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6488
6489         PR target/52933
6490         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
6491         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
6492
6493 2016-05-06  Marek Polacek  <polacek@redhat.com>
6494
6495         PR sanitizer/70875
6496         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
6497
6498 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6499
6500         PR target/54089
6501         * config/sh/sh.md (*rotcr): Add another variant.
6502
6503 2016-05-06  Richard Biener  <rguenther@suse.de>
6504
6505         PR middle-end/70931
6506         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6507
6508 2016-05-06  Richard Biener  <rguenther@suse.de>
6509
6510         PR middle-end/70941
6511         * fold-const.c (split_tree): Always convert to the original type
6512         before negating.
6513
6514 2016-05-06  Richard Biener  <rguenther@suse.de>
6515
6516         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
6517         (fwprop_addr): Likewise.
6518
6519 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6520
6521         PR target/70873
6522         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
6523         New prototype.
6524         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
6525         * config/i386/i386.md (push mem splitter): Use find_constant_src in
6526         the splitter condition.
6527         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
6528         the splitter condition.
6529         (FP float_extend load splitter): Ditto.
6530
6531 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
6532
6533         * config/i386/i386.md (peehole2 patterns): Change true_regnum
6534         to REGNO in all peephole2 patterns.
6535         (post-reload splitters): Change true_regnum to REGNO in
6536         post-reload splitters.
6537         (zero_extend splitters): Use general_reg_operand and
6538         nonimmediate_gr_operand predicates.
6539
6540 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
6541
6542         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
6543         v constraint instead of x.
6544
6545 2016-05-05  Alan Modra  <amodra@gmail.com>
6546
6547         PR target/68662
6548         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6549         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
6550         TARGET_NO_FP_IN_TOC for -mrelocatable.
6551         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
6552         TARGET_RELOCATABLE test.
6553         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6554         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6555         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6556         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6557         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6558         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6559         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6560         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6561         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
6562         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6563         Likewise.
6564         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
6565         (rs6000_stack_info): Likewise.
6566         (rs6000_elf_asm_out_constructor): Likewise.
6567         (rs6000_elf_asm_out_destructor): Likewise.
6568         (rs6000_elf_declare_function_name): Likewise.
6569         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
6570         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
6571         Don't define.
6572
6573 2016-05-05  Alan Modra  <amodra@gmail.com>
6574
6575         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
6576
6577 2016-05-05  Alan Modra  <amodra@gmail.com>
6578
6579         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6580         out-of-line gpr restore for one or two regs if that would add
6581         a save of lr.
6582
6583 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
6584
6585         PR target/70873
6586         * config/i386/i386.md
6587         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
6588         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
6589         as operand 0 predicate.
6590         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
6591         Ditto.
6592         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
6593         Ditto.  Emit the pattern using RTX.
6594
6595         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6596         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6597         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6598         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6599         Ditto.
6600         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6601         sse_reg_operand as operand 0 predicate.
6602
6603         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6604         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6605         instead of gen_rtx_REG.
6606         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6607         Ditto.
6608
6609 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6610
6611         * function.c (emit_use_return_register_into_block): Delete.
6612         (gen_return_pattern): Delete.
6613         (emit_return_into_block): Delete.
6614         (active_insn_between): Delete.
6615         (convert_jumps_to_returns): Delete.
6616         (emit_return_for_exit): Delete.
6617         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6618         simple_return for shrink-wrapped blocks.
6619         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6620         end of blocks that need one.
6621         (get_unconverted_simple_return): Delete.
6622         (convert_to_simple_return): Delete.
6623         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6624         (convert_to_simple_return): Ditto.
6625
6626 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6627
6628         * cfgcleanup.c (bb_is_just_return): New function.
6629         (try_optimize_cfg): Simplify jumps to return, branches to return,
6630         and branches around return.
6631
6632 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6633
6634         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6635         branch to a return.
6636
6637 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6638
6639         PR c++/70906
6640         PR c++/70933
6641         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6642         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6643         assert flags & OEP_HASH_CHECK, instead of asserting it
6644         never happens.  Handle TARGET_EXPR.
6645         * fold-const.c (operand_equal_p): For hash verification,
6646         or in OEP_HASH_CHECK into flags.
6647
6648 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6649
6650         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6651         comment.
6652         (compute_samebase_partition_bases): Fix typo.
6653
6654 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6655
6656         * config/i386/sse.md (vec_interleave_highv8sf,
6657         vec_interleave_lowv8sf, vec_interleave_highv4df,
6658         vec_interleave_lowv4df): Remove constraints from expanders.
6659
6660         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6661
6662 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6663
6664         * tree-inline.c (expand_call_inline): Fix path dealing with
6665         making lhs of call statement undefined.
6666
6667 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6668
6669         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6670         Check availability on NODE, too.
6671         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6672         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6673         (varpool_node::call_for_symbol_and_aliase): Likewise.
6674         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6675         (propagate_pure_const): Propagate across interposable functions, too.
6676         (skip_function_for_local_pure_const): Do not skip interposable bodies
6677         with aliases.
6678         (pass_local_pure_const::execute): Update.
6679
6680 2016-05-04  Marek Polacek  <polacek@redhat.com>
6681
6682         * doc/invoke.texi: Document -Wdangling-else.
6683
6684 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6685
6686         * config.gcc: Error out when conflicting multilib is detected.  Do not
6687         loop over multilibs since no combination is legal.
6688
6689 2016-05-04  Alan Modra  <amodra@gmail.com>
6690
6691         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6692         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6693         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6694         Align .toc.
6695
6696 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6697
6698         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6699         Clean up p5600 comments.
6700
6701 2016-05-04  Richard Biener  <rguenther@suse.de>
6702
6703         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6704         constructor simplifications.
6705         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6706
6707 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6708
6709         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6710         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6711         result.set_rtx is null instead of aborting.
6712         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6713         Always enable.
6714         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6715         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6716         *mov<mode>_store_postinc): New patterns.
6717
6718 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6719
6720         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6721         as commutative.  Check both conversions are NOP.
6722         ((A & B) OP (C & B)): Remove.
6723
6724 2016-05-04  Alan Modra  <amodra@gmail.com>
6725
6726         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6727
6728 2016-05-04  Alan Modra  <amodra@gmail.com>
6729
6730         PR target/70866
6731         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6732         when cr2,3,4 are all fixed regs.
6733
6734 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6735
6736         PR rtl-optimization/57193
6737         * opts.c (default_options_table): Revert OPT_frename_registers change.
6738         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6739
6740 2016-05-03  Martin Sebor  <msebor@redhat.com>
6741
6742         PR c++/66561
6743         * builtins.c (fold_builtin_FILE): New function.
6744         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6745         (fold_builtin_0): Call them.
6746         * gimplify.c (gimplify_call_expr): Remove the handling of
6747         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6748
6749         PR c++/66561
6750         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6751         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6752         constants.
6753
6754         PR c++/66639
6755         * doc/extend.texi (Function Names as Strings): Update __func__,
6756         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6757         constants.
6758
6759 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6760             Richard Biener  <rguenther@suse.de>
6761
6762         PR tree-optimization/70916
6763         * tree-if-conv.c: Include cfganal.h.
6764         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6765         and remove_fake_exit_edges around the optimization pass.
6766
6767 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6768
6769         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6770         (cgraph_edge::make_direct): Likewise.
6771         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6772         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6773         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6774         (CIF_THUNK): New code.
6775         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6776         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6777         (compute_inline_parameters): Set inline_failed for thunks.
6778         (inline_analyze_function): Cleanup.
6779         * ipa-inline.c (can_inline_edge_p): Do not deal with
6780         call_stmt_cannot_inline_p.
6781         (can_early_inline_edge_p): Likewise.
6782         (early_inliner): Initialize inline_failed.
6783         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6784
6785 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6786
6787         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6788         from nonimm_ssenomem_operand.
6789         (nonimm_ssenomem_operand): New predicate.
6790         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6791         as operand 0 predicate.
6792         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6793         Disable unsupported alternatives using "enabled" attribute.
6794         Use register_ssemem_operand as operand 0 predicate.
6795         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6796
6797 2016-05-03  Marek Polacek  <polacek@redhat.com>
6798
6799         PR c/70859
6800         * input.c (expansion_point_location): New function.
6801         * input.h (expansion_point_location): Declare.
6802
6803 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6804
6805         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6806         occurence with frame_offset_ ones.
6807
6808 2016-05-03  Alan Modra  <amodra@gmail.com>
6809
6810         PR rtl-optimization/70890
6811         * ira.c (combine_and_move_insns): When moving def_insn, remove
6812         equivs on use_insn.
6813
6814 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6815
6816         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6817         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6818         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6819         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6820
6821 2016-05-03  Alan Modra  <amodra@gmail.com>
6822
6823         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6824         for SAVE_MULTIPLE/STORE_MULTIPLE.
6825
6826 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6827
6828         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6829         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6830
6831 2016-05-03  Richard Biener  <rguenther@suse.de>
6832
6833         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6834         default true.
6835         (gimplify_arg): Likewise.
6836         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6837         re-writing the result to a decl if required.
6838         (internal_get_tmp_var): Add allow_ssa parameter
6839         and override into_ssa with it.
6840         (get_formal_tmp_var): Adjust.
6841         (get_initialized_tmp_var): Add allow_ssa parameter.
6842         (gimplify_arg): Add allow_ssa parameter and avoid generating
6843         SSA names for the result false.
6844         (gimplify_call_expr): If the call may return twice do not
6845         gimplify parameters into SSA.
6846         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6847         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6848         with a SSA name LHS adjust its def.
6849         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6850         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6851         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6852         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6853         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6854         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6855         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6856         (optimize_target_teams): Do not allow SSA names for clause operands.
6857         (gimplify_expr): Likewise for where we mark the result addressable.
6858         * passes.def (pass_init_datastructures): Remove.
6859         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6860         (rewrite_stmt): Likewise.
6861         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6862         (replace_locals_op): Replace SSA names.
6863         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6864         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6865         * cgraph.c (release_function_body): Free CFG annotations only
6866         when we have a CFG.  Simplify.
6867         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6868         force_gimple_operand instead of get_initialized_tmp_var.
6869         * tree-pass.h (make_pass_init_datastructures): Remove.
6870         * tree-ssa.c (execute_init_datastructures): Remove.
6871         (pass_data_init_datastructures): Likewise.
6872         (class pass_init_datastructures): Likewise.
6873         (make_pass_init_datastructures): Likewise.
6874         * omp-low.c (create_omp_child_function): Init SSA data structures.
6875         (grid_expand_target_grid_body): Likewise.
6876         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6877         name before adding it to names_to_release.
6878         (remove_bb): Always release SSA defs.
6879         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6880         before dereferencing it.
6881         * cgraphunit.c (init_lowered_empty_function): Always
6882         int SSA data structures.
6883         * tree-ssanames.c (release_defs): Remove assert that we are in
6884         SSA form.
6885         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6886
6887 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6888             Uros Bizjak  <ubizjak@gmail.com>
6889
6890         PR rtl-optimization/70467
6891         * config/i386/predicates.md (x86_64_hilo_int_operand,
6892         x86_64_hilo_general_operand): New predicates.
6893         * config/i386/constraints.md (Wd): New constraint.
6894         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6895         (general_hilo_operand): New mode attr.
6896         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6897         instead of <general_operand>.
6898         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6899         x86_64_hilo_general_operand instead of <general_operand>.
6900
6901 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6902
6903         PR tree-optimization/70916
6904         * tree-if-conv.c (constant_or_ssa_name): Removed.
6905         (fold_build_cond_expr): Use is_gimple_val instead of
6906         constant_or_ssa_name.
6907
6908         PR tree-optimization/70916
6909         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6910         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6911
6912         PR target/49244
6913         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6914         (optimize_atomic_bit_test_and): New function.
6915         (pass_fold_builtins::execute): Use it.
6916         * optabs.def (atomic_bit_test_and_set_optab,
6917         atomic_bit_test_and_complement_optab,
6918         atomic_bit_test_and_reset_optab): New optabs.
6919         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6920         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6921         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6922         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6923         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6924         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6925         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6926         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6927         atomic_bit_test_and_complement@var{mode},
6928         atomic_bit_test_and_reset@var{mode}): Document.
6929         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6930         atomic_bit_test_and_complement<mode>,
6931         atomic_bit_test_and_reset<mode>): New expanders.
6932         (atomic_bit_test_and_set<mode>_1,
6933         atomic_bit_test_and_complement<mode>_1,
6934         atomic_bit_test_and_reset<mode>_1): New insns.
6935
6936 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6937
6938         PR rtl-optimization/70687
6939         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6940         instead of unsigned HOST_WIDE_INT.
6941
6942 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6943
6944         PR rtl-optimization/44281
6945         * hard-reg-set.h (struct target_hard_regs): New field
6946         x_fixed_nonglobal_reg_set.
6947         (fixed_nonglobal_reg_set): New macro.
6948         * reginfo.c (init_reg_sets_1): Initialize it.
6949         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6950         of fixed_reg_set.
6951         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6952
6953 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6954
6955         PR tree-optimization/56541
6956         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6957         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6958         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6959         (any_complicated_phi): new static variable.
6960         (aggressive_if_conv): delete.
6961         (if_convertible_phi_p): support phis with more than two arguments.
6962         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6963         critical pred edges.
6964         (ifcvt_split_critical_edges): support phis with more than two
6965         arguments by checking new parameter.  only split critical edges
6966         if needed.
6967         (tree_if_conversion): handle simd pragma marked loop using new
6968         local variable aggressive_if_conv.  check any_complicated_phi.
6969
6970 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6971
6972         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6973         before using it.
6974
6975 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6976
6977         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6978         cbase.
6979
6980 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6981
6982         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6983         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6984         define_insn_and_split.
6985         (mulsi3_i): New define_insn_and_split.
6986         (mulsi3_call): Convert to define_insn.
6987         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6988         Remove constraints.
6989
6990 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6991
6992         * machmode.h (mode_complex): Add support to give the complex mode
6993         for a given mode.
6994         (GET_MODE_COMPLEX_MODE): Likewise.
6995         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6996         stored by build_complex_type and gfc_build_complex_type instead of
6997         trying to figure out the appropriate mode based on the size. Raise
6998         an assertion error, if the type was not set.
6999         * genmodes.c (struct mode_data): Add field for the complex type of
7000         the given type.
7001         (blank_mode): Likewise.
7002         (make_complex_modes): Remember the complex mode created in the
7003         base type.
7004         (emit_mode_complex): Write out the mode_complex array to map a
7005         type mode to the complex version.
7006         (emit_insn_modes_c): Likewise.
7007         * tree.c (build_complex_type): Set the complex type to use before
7008         calling layout_type.
7009         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
7010         support for __float128 complex datatypes.
7011         (rs6000_hard_regno_mode_ok): Likewise.
7012         (rs6000_setup_reg_addr_masks): Likewise.
7013         (rs6000_complex_function_value): Likewise.
7014         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
7015         __float128 and __ibm128 complex.
7016         (FLOAT128_IBM_P): Likewise.
7017         (ALTIVEC_ARG_MAX_RETURN): Likewise.
7018         * doc/extend.texi (Additional Floating Types): Document that
7019         -mfloat128 must be used to enable __float128.  Document complex
7020         __float128 and __ibm128 support.
7021
7022 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
7023
7024         PR target/49244
7025         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
7026         char/short arguments promoted to int because of promote_prototypes.
7027
7028 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
7029
7030         * config/i386/predicates.md (register_ssemem_operand): New predicate.
7031         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
7032         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
7033         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
7034         alternatives using "enabled" attribute.  Use register_ssemem_operand
7035         as operand 1 predicate.
7036         (*cmpi<unord>xf_i387): Split XFmode pattern from
7037         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
7038         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
7039         *absneg<mode>2_i387.  Disable unsupported alternatives using
7040         "enabled" attribute.
7041         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
7042
7043 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
7044
7045         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
7046         marker.
7047         (oacc_loop_process): Check mask for loop termination.
7048
7049 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
7050
7051         * cif-code.def (CIF_THUNK): Add.
7052         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
7053         accidental change.
7054
7055 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
7056
7057         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
7058         (dump_inline_summary): Dump it.
7059         (fp_expression_p): New predicate.
7060         (estimate_function_body_sizes): Use it.
7061         (inline_merge_summary): Merge fp_expressions.
7062         (inline_read_section): Read fp_expressions.
7063         (inline_write_summary): Write fp_expressions.
7064         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
7065         codegen boundary if either caller or callee is !fp_expressions.
7066         * ipa-inline.h (inline_summary): Add fp_expressions.
7067         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
7068         to fp_expressions be sure the fp generation flags are updated.
7069
7070 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
7071
7072         PR rtl-optimization/70467
7073         * cse.c (cse_insn): Handle no-op MEM moves after folding.
7074
7075         PR rtl-optimization/70467
7076         * ipa-pure-const.c (check_call): Handle internal calls even in
7077         ipa mode like in local mode.
7078
7079 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7080
7081         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
7082
7083 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
7084
7085         * match.pd (X u< X, X u> X): New transformations.
7086
7087 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
7088
7089         * flag-types.h (enum warn_strict_overflow_code): Move ...
7090         * coretypes.h: ... here.
7091         * fold-const.h (fold_overflow_warning): Declare.
7092         * fold-const.c (fold_overflow_warning): Make non-static.
7093         (fold_comparison): Move the transformation of X +- C1 CMP C2
7094         into X CMP C2 -+ C1 ...
7095         * match.pd: ... here.
7096         * gimple-fold.c (fold_stmt_1): Protect with
7097         fold_defer_overflow_warnings.
7098
7099 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
7100
7101         * omp-low.c (struct oacc_loop): Add 'inner' field.
7102         (new_oacc_loop_raw): Initialize it to zero.
7103         (oacc_loop_fixed_partitions): Initialize it.
7104         (oacc_loop_auto_partitions): Partition outermost loop to outermost
7105         available partitioning.
7106
7107 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7108
7109         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
7110         register_operand.
7111         (umulsidi3): Likewise.
7112         (indirect_jump): Fix jump instruction assembly patterns.
7113
7114 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
7115
7116         PR target/70860
7117         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
7118         (nvptx_function_value): Assert non-NULL cfun.
7119
7120 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
7121
7122         PR rtl-optimization/70886
7123         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
7124
7125         * cselib.h (rtx_equal_for_cselib_1): Declare.
7126         (rtx_equal_for_cselib_p: New inline function.
7127         * cselib.c (rtx_equal_for_cselib_p): Delete.
7128         (rtx_equal_for_cselib_1): Make public.
7129
7130 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
7131
7132         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
7133         (register_mixssei387nonimm_operand): Remove predicate.
7134         * config/i386/i386.md (*fop_<mode>_comm): Merge from
7135         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
7136         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
7137         for TARGET_MIX_SSE_I387 alternatives.
7138         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
7139         Disable unsupported alternatives using "enabled" attribute.  Use
7140         nonimm_ssenomem_operand as operand 1 predicate.  Also check
7141         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
7142
7143 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7144
7145         * tree.c (cst_and_fits_in_hwi): Simplify.
7146
7147 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7148
7149         * tree.h (wi::to_wide): New function.
7150         * expr.c (expand_expr_real_1): Use wi::to_wide.
7151         * fold-const.c (int_const_binop_1): Likewise.
7152         (extract_muldiv_1): Likewise.
7153
7154 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7155
7156         * wide-int.h: Update offset_int and widest_int documentation.
7157         (WI_SIGNED_SHIFT_RESULT): New macro.
7158         (wi::binary_shift): Define signed_shift_result_type for
7159         shifts on offset_int- and widest_int-like types.
7160         (generic_wide_int): Support <<= and >>= if << and >> are supported.
7161         * tree.h (int_bit_position): Use shift operators instead of wi::
7162          shifts.
7163         * alias.c (adjust_offset_for_component_ref): Likewise.
7164         * expr.c (get_inner_reference): Likewise.
7165         * fold-const.c (fold_comparison): Likewise.
7166         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
7167         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
7168         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7169         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
7170         (stmt_kills_ref_p): Likewise.
7171         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
7172         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
7173         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7174         (ao_ref_init_from_vn_reference): Likewise.
7175
7176 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7177
7178         * wide-int.h: Update offset_int and widest_int documentation.
7179         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
7180         (wi::binary_traits): Allow ordered comparisons between offset_int and
7181         offset_int, between widest_int and widest_int, and between either
7182         of these types and basic C types.
7183         (operator <, <=, >, >=): Define for the same combinations.
7184         * tree.h (tree_int_cst_lt): Use comparison operators instead
7185         of wi:: comparisons.
7186         (tree_int_cst_le): Likewise.
7187         * gimple-fold.c (fold_array_ctor_reference): Likewise.
7188         (fold_nonarray_ctor_reference): Likewise.
7189         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
7190         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
7191         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
7192         * tree-sra.c (completely_scalarize): Likewise.
7193         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
7194         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
7195         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
7196         (check_for_binary_op_overflow): Likewise.
7197         (search_for_addr_array): Likewise.
7198         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
7199
7200 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7201
7202         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
7203         (arc_save_restore): Likewise.
7204         (arc_dwarf_register_span): Likewise.
7205         (arc_output_pic_addr_const): Initialize suffix variable.
7206
7207 2016-05-02  Martin Liska  <mliska@suse.cz>
7208
7209         * symbol-summary.h (function_summary::function_summary):
7210         Remove checking assert for all cgraph nodes.
7211         (function_summary::get): Check summary_uid.
7212         (symtab_insertion): Check summary_uid.
7213
7214 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7215
7216         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
7217         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
7218         bmaskn instruction.
7219         (arc_dwarf_register_span): Remove enum keyword.
7220         (compact_memory_operand_p): New function.
7221         * config/arc/arc.h (reg_class): Add code density register classes.
7222         (REG_CLASS_NAMES): Likewise.
7223         (REG_CLASS_CONTENTS): Likewise.
7224         * config/arc/arc.md (*movqi_insn): Add code density instructions.
7225         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
7226         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
7227         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
7228         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
7229         constraints.
7230         (h, Rcd, Rsd, Rzd): New register constraints.
7231         (T): Use compact_memory_operand_p function.
7232         * config/arc/predicates.md (compact_load_memory_operand): Remove.
7233
7234 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7235
7236         * config/sh/sh.md (*negnegt, *movtt): Remove.
7237
7238 2016-05-02  Marek Polacek  <polacek@redhat.com>
7239             Tom de Vries  <tom@codesourcery.com>
7240
7241         PR tree-optimization/70700
7242         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
7243         bigger than FIRST_REF_NODE.
7244
7245 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7246
7247         PR target/52898
7248         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
7249         TARGET_CMPEQDI_T.
7250         (prepare_cbranch_operands): Don't use scratch register.  Assume that
7251         function is used when pseudos can be created.
7252         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
7253         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
7254         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
7255         define_expand.  Allow it only when pseudos can be created.
7256         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
7257
7258 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
7259
7260         * config/i386/constraints.md (BC): Only allow -1 operands.
7261         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
7262         Add "enabled" attribute.  Update XI mode attribute calculation.
7263         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
7264         (*movoi_internal_avx): Update XI mode attribute calculation.
7265         (*movti_internal): Ditto.
7266
7267 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7268
7269         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
7270         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
7271
7272 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
7273
7274         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
7275         statement on instruction code.  Remove trailing spaces.
7276         (altivec_expand_stv_builtin): Likewise.
7277
7278 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7279
7280         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
7281         (TARGET_FPU_DOUBLE): Simplify.
7282         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
7283         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
7284         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
7285         with 'TARGET_FPU_DOUBLE'.
7286         * config/sh/sh.md: Likewise.
7287
7288 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
7289
7290         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
7291         SH_DIV_STR_FOR_SIZE): Remove.
7292         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
7293         SH_DIV_STR_FOR_SIZE): Remove.
7294
7295 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7296
7297         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
7298         logical_reg_operand): Delete.
7299         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
7300         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
7301         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
7302         match_operand and match_test.
7303         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
7304         variables on their first use.  Return bool values.
7305         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
7306         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
7307         arith_reg_operand for input operand.  Remove empty constraints.
7308         (xorsi3): Delete.
7309         (*xorsi3_compact): Rename to xorsi3.
7310         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
7311         (*zero_extend<mode>si2_disp_mem): Update comment.
7312         (mov_nop): Delete.
7313
7314 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7315
7316         * config/sh/t-sh: Remove SH5 support.
7317         * config.gcc: Likewise.
7318         * configure: Likewise.
7319
7320 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7321
7322         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
7323
7324 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7325
7326         * config/sh/sh.c (register_sh_passes, sh_option_override,
7327         sh_print_operand, prepare_move_operands,
7328         sh_can_follow_jump): Remove TARGET_SH1 checks.
7329         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
7330         PROMOTE_MODE): Likewise.
7331         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
7332         movdi): Likewise.
7333
7334 2016-04-30  Alan Modra  <amodra@gmail.com>
7335
7336         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
7337         restoring when fixed_reg_p, but allow out-of-line or stmw save.
7338         Check for user regs later to avoid unnecessary looping over regs.
7339         Merge user reg check with non-saved reg check.  Don't force
7340         inline VR restore when static chain used.
7341         (rs6000_frame_related): Omit eh_frame info for user regs when
7342         saving.
7343         (fixed_regs_p): Delete.
7344
7345 2016-04-30  Alan Modra  <amodra@gmail.com>
7346
7347         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
7348         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
7349         Update all uses.
7350
7351 2016-04-30  Alan Modra  <amodra@gmail.com>
7352
7353         PR target/69645
7354         * config/rs6000/rs6000.c (fixed_reg_p): New function.
7355         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
7356         Update all uses.
7357
7358 2016-04-30  Alan Modra  <amodra@gmail.com>
7359
7360         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
7361         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
7362         flag_pic test for Darwin.
7363
7364 2016-04-30  Alan Modra  <amodra@gmail.com>
7365
7366         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
7367         throw_calls_crossed.
7368         (REG_FREQ_CALLS_CROSSED): Delete.
7369         (REG_N_THROWING_CALLS_CROSSED): Delete.
7370         * regstat.c (regstat_bb_compute_ri): Don't calculate
7371         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
7372         (dump_reg_info): Don't print call cross frequency.
7373         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
7374         and REG_N_THROWING_CALLS_CROSSED.
7375
7376 2016-04-30  Alan Modra  <amodra@gmail.com>
7377
7378         * regs.h (struct reg_info_t): Delete live_length.
7379         (REG_LIVE_LENGTH): Delete macro.
7380         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
7381         local_live, local_processed and local_live_last_luid params.
7382         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
7383         Formatting fixes.
7384         (regstat_compute_ri): Adjust for above.  Don't set
7385         REG_LIVE_LENGTH.
7386         (dump_reg_info): Don't print live length.
7387         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
7388         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
7389         Localize loop_depth var.
7390
7391 2016-04-30  Alan Modra  <amodra@gmail.com>
7392
7393         * ira.c (enum valid_equiv): New.
7394         (validate_equiv_mem): Return enum.
7395         (update_equiv_mem): Create replacement in more cases.
7396         (add_store_equivs): Update validate_equiv_mem call.
7397
7398 2016-04-30  Alan Modra  <amodra@gmail.com>
7399
7400         * ira.c (combine_and_move_insns): Rather than scanning insns,
7401         use DF infrastucture to find use and def insns.
7402
7403 2016-04-30  Alan Modra  <amodra@gmail.com>
7404
7405         ira.c (combine_and_move_insns): Move invariant conditions..
7406         (ira.c): ..to here.  Call combine_and_move_insns before
7407         add_store_equivs.  Call grow_reg_equivs later.  Allocate
7408         req_equiv later using max_reg_num() rather than global max_regno.
7409         (contains_replace_regs): Delete.
7410         (add_store_equivs): Remove contains_replace_regs test.
7411
7412 2016-04-30  Alan Modra  <amodra@gmail.com>
7413
7414         * ira.c (struct equiv_mem_data): New.
7415         (equiv_mem, equiv_mem_modified): Delete static vars.
7416         (validate_equiv_mem_from_store): Use "data" param to communicate..
7417         (validate_equiv_mem): ..from here.
7418
7419 2016-04-30  Alan Modra  <amodra@gmail.com>
7420
7421         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
7422         split out from..
7423         (update_reg_equivs): ..here.  Move allocation and freeing of
7424         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
7425         end_alias_analysis to..
7426         (ira): ..here.
7427
7428 2016-04-30  Alan Modra  <amodra@gmail.com>
7429
7430         * ira.c (pdx_subregs): Delete.
7431         (struct equivalence): Add pdx_subregs field.
7432         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
7433         pdx_subregs access.
7434         (update_equiv_regs): Don't create or free pdx_subregs.  Update
7435         pdx_subregs access.
7436
7437 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7438
7439         * config/rs6000/altivec.h: Change definitions of vec_xl and
7440         vec_xst.
7441         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
7442         (LD_ELEMREV_V2DI): New.
7443         (LD_ELEMREV_V4SF): New.
7444         (LD_ELEMREV_V4SI): New.
7445         (LD_ELEMREV_V8HI): New.
7446         (LD_ELEMREV_V16QI): New.
7447         (ST_ELEMREV_V2DF): New.
7448         (ST_ELEMREV_V2DI): New.
7449         (ST_ELEMREV_V4SF): New.
7450         (ST_ELEMREV_V4SI): New.
7451         (ST_ELEMREV_V8HI): New.
7452         (ST_ELEMREV_V16QI): New.
7453         (XL): New.
7454         (XST): New.
7455         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7456         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
7457         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
7458         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
7459         (altivec_expand_builtin): Add handling for
7460         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
7461         (rs6000_invalid_builtin): Add error-checking for
7462         RS6000_BTM_P9_VECTOR.
7463         (altivec_init_builtins): Define builtins used to implement vec_xl
7464         and vec_xst.
7465         (rs6000_builtin_mask_names): Define power9-vector.
7466         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
7467         (RS6000_BTM_P9_VECTOR): Define.
7468         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
7469         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
7470         (vsx_ld_elemrev_v2df): Likewise.
7471         (vsx_ld_elemrev_v4sf): Likewise.
7472         (vsx_ld_elemrev_v4si): Likewise.
7473         (vsx_ld_elemrev_v8hi): Likewise.
7474         (vsx_ld_elemrev_v16qi): Likewise.
7475         (vsx_st_elemrev_v2df): Likewise.
7476         (vsx_st_elemrev_v2di): Likewise.
7477         (vsx_st_elemrev_v4sf): Likewise.
7478         (vsx_st_elemrev_v4si): Likewise.
7479         (vsx_st_elemrev_v8hi): Likewise.
7480         (vsx_st_elemrev_v16qi): Likewise.
7481         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
7482         grammar.
7483
7484 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
7485
7486         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
7487         out into ...
7488         (simplify_control_stmt_condition_1): ... here.  Recurse into
7489         BIT_AND_EXPRs and BIT_IOR_EXPRs.
7490
7491 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
7492
7493         PR target/69810
7494         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
7495         (zero_extendqi<mode>2_dot): Revert earlier conversion from
7496         define_insn_and_split to define_insn.
7497         (zero_extendqi<mode>2_dot2): Same.
7498         (extendqi<mode>2_dot): Same.
7499         (extendqi<mode>2_dot2): Same.
7500
7501 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7502
7503         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7504         (probe_stack): New expander.
7505         (probe_stack_<mode>): New insn pattern.
7506
7507 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7508
7509         * config/i386/i386.md
7510         (operations with memory inputs setting flags peephole2):
7511         Remove uneeded REG_P checks.  Cleanup pattern generation.
7512
7513 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
7514
7515         * tree-vect-loop.c (vect_transform_loop): Fix
7516         nb_iterations_upper_bound computation for vectorized loop.
7517
7518 2016-04-29  Marek Polacek  <polacek@redhat.com>
7519             Jakub Jelinek  <jakub@redhat.com>
7520
7521         PR sanitizer/70342
7522         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
7523         TARGET_EXPR_SLOT as a base.
7524
7525 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
7526
7527         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
7528         with 'rCm2' constraints to limit possible immediate size.
7529         (*load_zeroextendqisi_update): Likewise.
7530         (*load_signextendqisi_update): Likewise.
7531         (*loadhi_update): Likewise.
7532         (*load_zeroextendhisi_update): Likewise.
7533         (*load_signextendhisi_update): Likewise.
7534         (*loadsi_update): Likewise.
7535         (*loadsf_update): Likewise.
7536
7537 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7538
7539         * config/i386/predicates.md (constm1_operand): Fix comparison.
7540
7541 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7542
7543         * testsuite/gcc.target/arc/ieee_eq.c: New test.
7544
7545 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
7546
7547         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
7548         remaining SH5 related settings.
7549         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
7550         shmedia_prepare_call_address): Delete.
7551         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
7552         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
7553         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
7554         UNSUPPORTED_SH2A): Remove m5 checks.
7555         (sh_divide_strategy_e): Remove SH5 division strategies.
7556         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
7557         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
7558
7559 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7560
7561         * config/s390/s390.c (s390_rtx_costs): Update documentation.
7562
7563 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7564
7565         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
7566         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
7567         Change lder to ldr.
7568         * config/s390/vector.md ("mov<mode>"): Likewise.
7569
7570 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
7571
7572         * config/s390/constraints.md ("U", "W"): Invoke
7573         s390_mem_constraint with "ZR" and "ZT".
7574         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
7575         addresses when using LRA.  Accept also short displacements for S
7576         and T constraints.  Do not check for long displacement target for
7577         S and T constraints.
7578         (s390_mem_constraint): Remove handling of U and W constraints.
7579         * config/s390/s390.md (various patterns): Remove the short
7580         displacement constraints (Q and R) if a long displacement
7581         constraint is present.  Add longdisp as required CPU capability.
7582         * config/s390/vector.md: Likewise.
7583         * config/s390/vx-builtins.md: Likewise.
7584
7585 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7586
7587         PR target/60040
7588         * reload1.c (reload): Call finish_spills before
7589         restarting reload loop. Skip select_reload_regs
7590         if update_eliminables_and_spill returns true.
7591
7592 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7593
7594         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7595         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7596         (umulhisi3_imm): Update predicates and constraint letters.
7597         (umulhisi3_reg): Declare instruction as commutative.
7598         * config/arc/constraints.md (J12, J16): New constraints.
7599         * config/arc/predicates.md (short_unsigned_const_operand): New
7600         predicate.
7601         (arc_short_operand): Likewise.
7602         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7603
7604 2016-04-29  Richard Biener  <rguenther@suse.de>
7605
7606         PR tree-optimization/13962
7607         PR tree-optimization/65686
7608         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7609         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7610         using PTA to compare pointers.
7611         * match.pd: Add pattern for pointer equality compare simplification
7612         using ptrs_compare_unequal.
7613
7614 2016-04-29  Richard Biener  <rguenther@suse.de>
7615
7616         * stor-layout.c (layout_type): Do not build a pointer-to-element
7617         type for arrays.
7618
7619 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7620
7621         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7622         Use SWI mode iterator.  Use general_reg_operand predicate.
7623         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7624         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7625         predicates.
7626
7627 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7628
7629         PR middle-end/70843
7630         * fold-const.c (operand_equal_p): Don't verify hash value equality
7631         if arg0 == arg1.
7632         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7633         and OMP_CLAUSE.
7634
7635 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7636
7637         PR target/70858
7638         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7639         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7640         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7641         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7642         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7643
7644 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7645
7646         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7647         to info.  Don't initialize separate fields to 0.  Clean up
7648         formatting a bit.
7649
7650 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7651
7652         * config/i386/i386.md (peephole2s for operations with memory inputs):
7653         Use SWI mode iterator.
7654         (peephole2s for operations with memory outputs): Ditto.
7655         Do not check for stack checking probe.
7656
7657         (probe_stack): Remove expander.
7658
7659 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7660             Andrew Burgess  <andrew.burgess@embecosm.com>
7661
7662         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7663         operands as 32-bits.
7664
7665 2016-04-28  Jason Merrill  <jason@redhat.com>
7666
7667         * gdbinit.in: Skip line-map.h.
7668
7669 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7670             Andrew Burgess  <andrew.burgess@embecosm.com>
7671
7672         * config/arc/arc.c (arc_conditional_register_usage): Take
7673         TARGET_RRQ_CLASS into account.
7674         (arc_print_operand): Support printing 'p' and 's' operands.
7675         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7676         as 0.
7677         (TARGET_RRQ_CLASS): Define.
7678         (IS_POWEROF2_OR_0_P): Define.
7679         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7680         alternatives.
7681         (*tst_movb): New define_insn.
7682         (*tst): Avoid recognition if it could prevent '*tst_movb'
7683         combination; replace c/CnL with c/Chs alternative.
7684         (*tst_bitfield_tst): New define_insn.
7685         (*tst_bitfield_asr): New define_insn.
7686         (*tst_bitfield): New define_insn.
7687         (andsi3_i): Add Rrq variant.
7688         (extzv): New define_expand.
7689         (insv): New define_expand.
7690         (*insv_i): New define_insn.
7691         (*movb): New define_insn.
7692         (*movb_signed): New define_insn.
7693         (*movb_high): New define_insn.
7694         (*movb_high_signed): New define_insn.
7695         (*movb_high_signed + 1): New define_split pattern.
7696         (*mrgb): New define_insn.
7697         (*mrgb + 1): New define_peephole2 pattern.
7698         (*mrgb + 2): New define_peephole2 pattern.
7699         * config/arc/arc.opt (mbitops): New option for nps400, uses
7700         TARGET_NPS_BITOPS_DEFAULT.
7701         * config/arc/constraints.md (q): Make register class conditional.
7702         (Rrq): New register constraint.
7703         (Chs): New constraint.
7704         (Clo): New constraint.
7705         (Chi): New constraint.
7706         (Cbf): New constraint.
7707         (Cbn): New constraint.
7708         (C18): New constraint.
7709         (Cbi): New constraint.
7710
7711 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7712
7713         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7714         dst->popcount.
7715         (bitmap_intersection_of_preds): Ditto.
7716         (bitmap_union_of_succs): Ditto.
7717         (bitmap_union_of_preds): Ditto.
7718         * sbitmap.c (do_popcount): Delete.
7719         (BITMAP_DEBUGGING): Delete.
7720         (sbitmap_verify_popcount): Delete.
7721         (sbitmap_alloc): Don't initialize the popcount field.
7722         (sbitmap_alloc_with_popcount): Delete.
7723         (sbitmap_resize): Don't resize the popcount array.
7724         (sbitmap_vector_alloc): Don't initialize the popcount field.
7725         (bitmap_copy): Don't copy the popcount array.
7726         (bitmap_clear): Don't clear the popcount array.
7727         (bitmap_clear): Delete the popcount array handling.
7728         (bitmap_ior_and_compl): Delete the popcount assert.
7729         (bitmap_not): Ditto.
7730         (bitmap_and_compl): Ditto.
7731         (bitmap_and): Delete the popcount array handling.
7732         (bitmap_xor): Ditto.
7733         (bitmap_ior): Ditto.
7734         (bitmap_or_and): Delete the popcount assert.
7735         (bitmap_and_or): Ditto.
7736         (popcount_table): Delete.
7737         (sbitmap_elt_popcount): Delete.
7738         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7739         (bitmap_set_bit): Delete the popcount assert.
7740         (bitmap_clear_bit): Ditto.
7741         (sbitmap_free): Don't free the popcount array.
7742         (sbitmap_alloc_with_popcount): Delete declaration.
7743         (sbitmap_popcount): Ditto.
7744
7745 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7746             Andrew Burgess  <andrew.burgess@embecosm.com>
7747
7748         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7749         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7750         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7751         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7752         * config/arc/arc.opt (mcmem): New option.
7753         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7754         supply length for r/m alternative.
7755         (*extendqisi2_ac): Likewise.
7756         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7757         r/Uex alternative.
7758         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7759         (movhi_insn): Likewise.
7760         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7761         (*zero_extendqihi2_i): Add r/Ucm alternative.
7762         (*zero_extendqisi2_ac): Likewise.
7763         (*zero_extendhisi2_i): Likewise.
7764         * config/arc/constraints.md (Uex): New memory constraint.
7765         (Ucm): New define_constraint.
7766         * config/arc/predicates.md (long_immediate_loadstore_operand):
7767         Return 0 for MEM with cmem_address address.
7768         (cmem_address_0): New predicates.
7769         (cmem_address_1): Likewise.
7770         (cmem_address_2): Likewise.
7771         (cmem_address): Likewise.
7772
7773 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7774
7775         * config/rs6000/rs6000.c (machine_function): Rename
7776         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7777         (rs6000_stack_info): Adjust.
7778
7779 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7780             Andrew Burgess  <andrew.burgess@embecosm.com>
7781
7782         * config/arc/constraints.md (Usd): Convert to define_constraint.
7783         (Us<): Likewise.
7784         (Us>): Likewise.
7785
7786 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7787
7788         PR target/70821
7789         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7790         Add new peephole2 where the first insn is *mov<mode>_or instead of
7791         *mov<mode>_internal.
7792
7793 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7794
7795         * tracer.c (bb_seen): Make static.
7796
7797 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7798
7799         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7800         support, setup defaults.
7801         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7802         * config/arc/arc.c (arc_init): Add NPS400 support.
7803         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7804         (TARGET_ARC700): NPS400 is also an ARC700.
7805         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7806
7807 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7808
7809         PR target/70668
7810         * config/nds32/nds32.md (casesi): Don't access the operands array
7811         out of bounds.
7812
7813 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7814
7815         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7816         (or $-1,reg peephole2): Ditto.
7817         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7818
7819 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7820
7821         * doc/extend.texi (Common Function Attributes) [optimize]:
7822         Discourage use of the optimize attribute.
7823
7824 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7825
7826         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7827         special case builtin.
7828         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7829         ALTIVEC_BUILTIN_VEC_ADDE.
7830         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7831         support for ALTIVEC_BUILTIN_VEC_ADDE.
7832         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7833         for __builtin_vec_adde.
7834
7835 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7836
7837         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7838         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7839
7840 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7841
7842         PR testsuite/70595
7843         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7844         attributes): Document cilkplus_runtime.
7845
7846 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7847
7848         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7849         this function.  Call verify_expr on MEM_REFs and bases of other
7850         handled_components.
7851
7852 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7853
7854         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7855         for WORD_REGISTER_OPERATIONS to runtime check.
7856
7857 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7858
7859         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7860
7861 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7862
7863         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7864         big-endian compilation.
7865         * config/arc/arc.md (addf3): Likewise.
7866         (subdf3): Likewise.
7867         (muldf3): Likewise.
7868
7869 2016-04-28  Richard Biener  <rguenther@suse.de>
7870
7871         PR tree-optimization/70840
7872         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7873         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7874         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7875         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7876
7877 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7878
7879         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7880         and explain why in a comment.
7881
7882 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7883
7884         * config/arc/arc.md (cpu_facility): Add fpx variant.
7885         (subdf3): Prohibit use reverse sub when assist operations option
7886         is enabled.
7887         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7888         instructions only when FPX is enabled.
7889         * testsuite/gcc.target/arc/trsub.c: New test.
7890
7891 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7892
7893         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7894         mult_operator when calculating "type" attribute.
7895         (*fop_<mode>_1_i387): Ditto.
7896         (*fop_xf_1_i387): Ditto.
7897         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7898         Use std::swap to swap operands.  Use RTL expressions to generate
7899         converted pattern.
7900
7901 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7902             Joern Rennecke  <joern.rennecke@embecosm.com>
7903
7904         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7905         declaration.
7906         (emit_pic_move): Remove.
7907         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7908         * config/arc/arc.c (emit_pic_move): Removed.
7909         (TARGET_HAVE_TLS): Define.
7910         (arc_conditional_register_usage): Test for arc_tp_regno.
7911         (arc_print_operand, arc_print_operand_address): Handle TLS
7912         unspecs.
7913         (arc_needs_pcl_p): New function.
7914         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7915         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7916         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7917         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7918         (arc_legitimize_tls_address): Likewise.
7919         (DTPOFF_ZERO_SYM): Define.
7920         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7921         (arc_output_pic_addr_const): Print TLS unspecs.
7922         (prepare_pic_move): New function, replaces emit_pic_move.
7923         (arc_legitimate_constant_p): Handle TLS unspecs.
7924         (arc_legitimate_address_p): Likewise.
7925         (arc_rewrite_small_data_p): Use assert for TLS constants.
7926         (prepare_move_operands): Use prepare_pic_move.
7927         (arc_legitimize_address): Legitimize tls addresses.
7928         (arc_epilogue_uses): Check for arc_tp_regno.
7929         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7930         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7931         Define.
7932         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7933         Likewise.
7934         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7935         %(arc_tls_extra_start_spec).
7936         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7937         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7938         (EH_USES): Define.
7939         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7940         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7941         (UNSPEC_TLS_OFF): Add.
7942         (R10_REG): Define.
7943         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7944         (get_thread_pointersi): New patterns.
7945         * config/arc/arc.opt (mtp-regno): New option.
7946         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7947         (move_dest_operand): Likewise.
7948         * configure: Regenerate.
7949         * configure.ac: Add arc*-*-* case to test for tls.
7950         * doc/invoke.texi (ARC options): Document mtp-regno.
7951
7952 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7953
7954         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7955         the new ARC HS SIMD instructions.
7956         (arc_preferred_simd_mode): New function.
7957         (arc_autovectorize_vector_sizes): Likewise.
7958         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7959         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7960         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7961         (arc_init_builtins): Add new SIMD builtin types.
7962         (arc_split_move): Handle 64 bit vector moves.
7963         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7964         (TARGET_PLUS_QMACW): Define.
7965         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7966         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7967         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7968         (VSUBADD4H): New builtins.
7969         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7970         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7971
7972 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7973             Matthias Klose  <doko@debian.org>
7974
7975         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7976
7977 2016-04-28  Richard Biener  <rguenther@suse.de>
7978
7979         PR middle-end/70777
7980         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7981         canonicalization.
7982
7983 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7984
7985         * common/config/sh/sh-common.c: Remove SH5 support.
7986         * config/sh/constraints.md: Likewise.
7987         * config/sh/config/sh/elf.h: Likewise.
7988         * config/sh/linux.h: Likewise.
7989         * config/sh/netbsd-elf.h: Likewise.
7990         * config/sh/predicates.md: Likewise.
7991         * config/sh/sh-c.c: Likewise.
7992         * config/sh/sh-protos.h: Likewise.
7993         * config/sh/sh.c: Likewise.
7994         * config/sh/sh.h: Likewise.
7995         * config/sh/sh.md: Likewise.
7996         * config/sh/sh.opt: Likewise.
7997         * config/sh/sync.md: Likewise.
7998         * config/sh/sh64.h: Delete.
7999         * config/sh/shmedia.h: Likewise.
8000         * config/sh/shmedia.md: Likewise.
8001         * config/sh/sshmedia.h: Likewise.
8002         * config/sh/t-netbsd-sh5-64: Likewise.
8003         * config/sh/t-sh64: Likewise.
8004         * config/sh/ushmedia.h: Likewise.
8005
8006 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
8007
8008         * config/i386/i386.md (sign_extend to memory peephole2s): Use
8009         general_reg_operand instead of register_operand predicate.
8010
8011 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8012
8013         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
8014
8015 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
8016
8017         * match.pd (A - B > A, A + B < A): New transformations.
8018
8019 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
8020
8021         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
8022         which defaults to true.  Emit an outer pair of parentheses only if
8023         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
8024         don't emit parentheses for the right-hand operand.
8025
8026 2016-04-27  Jeff Law  <law@redhat.com>
8027
8028         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
8029
8030 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8031
8032         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
8033         (altivec_lvx_<mode>_internal): Document.
8034         (altivec_lvx_<mode>_2op): New define_insn.
8035         (altivec_lvx_<mode>_1op): Likewise.
8036         (altivec_lvx_<mode>_2op_si): Likewise.
8037         (altivec_lvx_<mode>_1op_si): Likewise.
8038         (altivec_stvx_<mode>): Remove.
8039         (altivec_stvx_<mode>_internal): Document.
8040         (altivec_stvx_<mode>_2op): New define_insn.
8041         (altivec_stvx_<mode>_1op): Likewise.
8042         (altivec_stvx_<mode>_2op_si): Likewise.
8043         (altivec_stvx_<mode>_1op_si): Likewise.
8044         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8045         Expand vec_ld and vec_st during parsing.
8046         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
8047         changes.
8048         (altivec_expand_stvx_be): Likewise.
8049         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
8050         address-masking behavior in RTL.
8051         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
8052         address-masking behavior in RTL.
8053         (altivec_expand_builtin): Change builtin code arguments for calls
8054         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
8055         (insn_is_swappable_p): Avoid incorrect swap optimization in the
8056         presence of lvx/stvx patterns.
8057         (alignment_with_canonical_addr): New function.
8058         (alignment_mask): Likewise.
8059         (find_alignment_op): Likewise.
8060         (recombine_lvx_pattern): Likewise.
8061         (recombine_stvx_pattern): Likewise.
8062         (recombine_lvx_stvx_patterns): Likewise.
8063         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
8064         stvx patterns from expand.
8065         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
8066         expansions.
8067         (vector_altivec_store_<mode>): Likewise.
8068
8069 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
8070
8071         * config/aarch64/aarch64.md
8072         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
8073         remove the "fp" attributes.
8074         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
8075         add the "simd" attributes.
8076         (*movdf_aarch64): Likewise.
8077         (*movtf_aarch64): Remove the "fp" attributes.
8078         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
8079         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
8080
8081 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
8082
8083         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
8084         rtx to rtx_code_label *.
8085         * rtl.h (maybe_set_first_label_num): Likewise.
8086
8087 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
8088
8089         * df-core.c (df_add_problem): Make the problem param be const.
8090         (df_remove_problem): Make local "problem" be const.
8091         * df-problems.c (problem_RD): Make const.
8092         (problem_LR): Likewise.
8093         (problem_LIVE): Likewise.
8094         (problem_MIR): Likewise.
8095         (problem_CHAIN): Likewise.
8096         (problem_WORD_LR): Likewise.
8097         (problem_NOTE): Likewise.
8098         (problem_MD): Likewise.
8099         * df-scan.c (problem_SCAN): Likewise.
8100         * df.h (struct df_problem): Make field "dependent_problem" be
8101         const.
8102         (struct dataflow): Likewise for field "problem".
8103         (df_add_problem): Make param const.
8104
8105 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
8106
8107         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
8108         inter-unit moves to/from vector registers are enabled.  Do not disable
8109         for TARGET_MMX.
8110
8111 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
8112
8113         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
8114         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
8115         #define to...
8116         (enum df_problem_id): ...this new enum.
8117         (struct df_problem): Convert field "id" from "int" to
8118         enum df_problem_id.
8119
8120 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
8121
8122         * rtl.def: Update comment for "things in the instruction chain" to
8123         reflect the removal of the leading "i" field for INSN_UID in
8124         r210360.  Fix bogus apostrophe.
8125
8126 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
8127
8128         * config/i386/i386.md
8129         (lea arith with mem operand + setcc peephole2): Set operator mode.
8130
8131 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8132
8133         PR target/70155
8134         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
8135         (dimode_scalar_to_vector_candidate_p): This.
8136         (timode_scalar_to_vector_candidate_p): New function.
8137         (scalar_to_vector_candidate_p): Likewise.
8138         (timode_check_non_convertible_regs): Likewise.
8139         (timode_remove_non_convertible_regs): Likewise.
8140         (remove_non_convertible_regs): Likewise.
8141         (remove_non_convertible_regs): Renamed to ...
8142         (dimode_remove_non_convertible_regs): This.
8143         (scalar_chain::~scalar_chain): Make it virtual.
8144         (scalar_chain::compute_convert_gain): Make it pure virtual.
8145         (scalar_chain::mark_dual_mode_def): Likewise.
8146         (scalar_chain::convert_insn): Likewise.
8147         (scalar_chain::convert_registers): Likewise.
8148         (scalar_chain::add_to_queue): Make it protected.
8149         (scalar_chain::emit_conversion_insns): Likewise.
8150         (scalar_chain::replace_with_subreg): Likewise.
8151         (scalar_chain::replace_with_subreg_in_insn): Likewise.
8152         (scalar_chain::convert_op): Likewise.
8153         (scalar_chain::convert_reg): Likewise.
8154         (scalar_chain::make_vector_copies): Likewise.
8155         (scalar_chain::convert_registers): New pure virtual function.
8156         (class dimode_scalar_chain): New class.
8157         (class timode_scalar_chain): Likewise.
8158         (scalar_chain::mark_dual_mode_def): Renamed to ...
8159         (dimode_scalar_chain::mark_dual_mode_def): This.
8160         (timode_scalar_chain::mark_dual_mode_def): New function.
8161         (timode_scalar_chain::convert_insn): Likewise.
8162         (dimode_scalar_chain::convert_registers): Likewise.
8163         (scalar_chain::compute_convert_gain): Renamed to ...
8164         (dimode_scalar_chain::compute_convert_gain): This.
8165         (scalar_chain::replace_with_subreg): Renamed to ...
8166         (dimode_scalar_chain::replace_with_subreg): This.
8167         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
8168         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
8169         (scalar_chain::make_vector_copies): Renamed to ...
8170         (dimode_scalar_chain::make_vector_copies): This.
8171         (scalar_chain::convert_reg): Renamed to ...
8172         (dimode_scalar_chain::convert_reg ): This.
8173         (scalar_chain::convert_op): Renamed to ...
8174         (dimode_scalar_chain::convert_op): This.
8175         (scalar_chain::convert_insn): Renamed to ...
8176         (dimode_scalar_chain::convert_insn): This.
8177         (scalar_chain::convert): Call convert_registers.
8178         (convert_scalars_to_vector): Change to scalar_chain pointer to
8179         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
8180         in 32-bit mode.  Delete scalar_chain pointer.  Call
8181         free_dominance_info in 64-bit mode.
8182         (pass_stv::gate): Remove TARGET_64BIT check.
8183         (ix86_option_override): Put the 64-bit STV pass before the CSE
8184         pass.
8185
8186 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
8187
8188         * dwarf2out.h (struct dw_loc_descr_node): Remove the
8189         dw_loc_frame_offset field.
8190         * dwarf2out.c (new_loc_descr): Likewise.
8191         (resolve_args_picking_1): Turn the VISITED hash set into a
8192         FRAME_OFFSET hash map. Use it to associate a frame offset to
8193         visited nodes. Remove uses of the CHECKING_P macro.
8194         (resolve_args_picking): Update call to resolve_args_picking_1.
8195
8196 2016-04-27  Martin Liska  <mliska@suse.cz>
8197
8198         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
8199         (free_loop_data): Release vuses of groups.
8200
8201 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
8202
8203         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
8204         instead of redundant use_id and boolean have_use_for.
8205         (struct iv_use): Change sub_id into group_id.  Remove field next.
8206         Move fields: related_cands, n_map_members, cost_map and selected
8207         to ...
8208         (struct iv_group): ... here.  New structure.
8209         (struct iv_common_cand): Use structure declaration directly.
8210         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
8211         (MAX_CONSIDERED_USES): Rename macro to ...
8212         (MAX_CONSIDERED_GROUPS): ... here.
8213         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
8214         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
8215         (dump_uses): Rename to ...
8216         (dump_groups): ... here.  Update all uses.
8217         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
8218         (find_induction_variables): Refactor format of dump information.
8219         (record_sub_use): Delete.
8220         (record_use): Update all uses.
8221         (record_group): New function.
8222         (record_group_use, find_interesting_uses_op): Call above functions.
8223         Update all uses.
8224         (find_interesting_uses_cond): Ditto.
8225         (group_compare_offset): New function.
8226         (split_all_small_groups): Rename to ...
8227         (split_small_address_groups_p): ... here.  Update all uses.
8228         (split_address_groups):  Update all uses.
8229         (find_interesting_uses): Refactor format of dump information.
8230         (add_candidate_1): Update all uses.  Remove redundant check on iv,
8231         base and step.
8232         (add_candidate, record_common_cand): Remove redundant assert.
8233         (add_iv_candidate_for_biv): Update use.
8234         (add_iv_candidate_derived_from_uses): Update all uses.
8235         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
8236         (alloc_use_cost_map): Ditto.
8237         (set_use_iv_cost, get_use_iv_cost): Rename to ...
8238         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
8239         (determine_use_iv_cost_generic): Ditto.
8240         (determine_group_iv_cost_generic): Ditto.
8241         (determine_use_iv_cost_address): Ditto.
8242         (determine_group_iv_cost_address): Ditto.
8243         (determine_use_iv_cost_condition): Ditto.
8244         (determine_group_iv_cost_cond): Ditto.
8245         (determine_use_iv_cost): Ditto.
8246         (determine_group_iv_cost): Ditto.
8247         (set_autoinc_for_original_candidates): Update all uses.
8248         (find_iv_candidates): Update all uses.  Refactor dump information.
8249         (determine_use_iv_costs): Ditto.
8250         (determine_iv_costs): Ditto.
8251         (iv_ca_cand_for_use): Rename to ...
8252         (iv_ca_cand_for_group): ... here.  Update all uses.
8253         (iv_ca_add_use, iv_ca_add_group): Ditto.
8254         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
8255         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
8256         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
8257         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
8258         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
8259         (create_new_iv, adjust_iv_update_pos): Ditto.
8260         (rewrite_use_address): Delete.
8261         (rewrite_use_address_1): Rename to ...
8262         (rewrite_use_address): ... here.
8263         (rewrite_use_compare): Update all uses.
8264         (rewrite_use): Delete.
8265         (rewrite_uses): Rename to ...
8266         (rewrite_groups): ... here.  Update all uses.
8267         (remove_unused_ivs, free_loop_data): Update all uses.
8268         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
8269
8270 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8271
8272         * rtlanal.c (nonzero_bits1): Convert preprocessor check
8273         for WORD_REGISTER_OPERATIONS to runtime check.
8274
8275 2016-04-27  Richard Biener  <rguenther@suse.de>
8276
8277         PR ipa/70760
8278         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
8279         aggregate_value_p to determine if a function result is
8280         returned by reference.
8281         (ipa_pta_execute): Functions having their address taken are
8282         not automatically nonlocal.
8283
8284 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8285
8286         PR sanitizer/70683
8287         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
8288         * fold-const.c (operand_equal_p): If flag_checking and
8289         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
8290         and if it returns non-zero, assert iterative_hash_expr on both
8291         args is the same.
8292
8293 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8294
8295         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
8296
8297 2016-04-27  Nick Clifton  <nickc@redhat.com>
8298
8299         PR middle-end/49889
8300         * varasm.c (merge_weak): Generate an error if an attempt is made
8301         to convert a non-weak static function into a weak, public function.
8302
8303 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8304
8305         * params.def (MAX_PARTITION_SIZE): New param.
8306         * doc/invoke.texi: Document lto-max-partition.
8307
8308 2016-04-27  Richard Biener  <rguenther@suse.de>
8309
8310         PR ipa/70785
8311         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
8312         function cummulating used_from_other_partition, externally_visible
8313         and force_output from aliases.
8314         (refered_from_nonlocal_var): Likewise.
8315         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
8316         node flags properly.
8317
8318 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8319
8320         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
8321         (-Wmemset-elt-size): New item.
8322
8323 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
8324
8325         PR ada/70759
8326         * stor-layout.h (internal_reference_types): Delete.
8327         * stor-layout.c (reference_types_internal): Likewise.
8328         (internal_reference_types): Likewise.
8329         (layout_type) <REFERENCE_TYPE>: Adjust.
8330
8331 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8332
8333         PR sanitizer/70683
8334         * tree.h (inchash::add_expr): Add FLAGS argument.
8335         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
8336         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
8337         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
8338         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
8339         if swap_tree_comparison (code) is smaller than code, hash that
8340         and arguments in the other order.  Hash CONVERT_EXPR the same
8341         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
8342         of ADDR_EXPR of decl as the decl itself.  Add or remove
8343         OEP_ADDRESS_OF from recursive flags as needed.  For
8344         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
8345         operands commutatively and only the third one normally.
8346         For internal CALL_EXPR hash in CALL_EXPR_IFN.
8347
8348 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8349
8350         * config/rtems.h (LIB_SPEC): Add -latomic.
8351
8352 2016-04-27  Joel Sherrill  <joel@rtems.org>
8353
8354         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
8355         xilink.ld and flags not relevant to RTEMS.
8356
8357 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
8358
8359         * toplev.c (backend_init_target): Avoid calling init_reload when using
8360         LRA.
8361
8362 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8363
8364         * reorg.c (try_merge_delay_insns): Declare i and j inside the
8365         for loops rather than one for the whole function.
8366
8367 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8368
8369         * match.pd (X + CST CMP X): New transformation.
8370
8371 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8372
8373         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
8374         * fold-const.c (fold_binary_loc): Remove 2 transformations
8375         superseded by match.pd.
8376         * match.pd (x+x -> x*2): Generalize to integers.
8377
8378 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
8379
8380         * config/i386/i386.md (operation on memory peephole): Duplicate an
8381         existing peephole and adapt it to match lea rather than an operation
8382         that clobbers CC.
8383
8384         PR rtl-optimization/57193
8385         * opts.c (default_options_table): Add OPT_frename_registers at -O2
8386         and above.
8387         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
8388
8389 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8390
8391         * tree-if-conv.c (any_pred_load_store): New static variable.
8392         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
8393         any_pred_load_store instead of and_mask_load_store.
8394         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
8395         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
8396         (combine_blocks, tree_if_conversion): Ditto.
8397
8398 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8399
8400         PR tree-optimization/70771
8401         PR tree-optimization/70775
8402         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
8403         virtual PHI nodes.  Delete parameter.
8404         (if_convertible_loop_p_1): Delete argument to above function.
8405         (predicate_all_scalar_phis): Delete code handling single-argument
8406         PHIs.
8407         (tree_if_conversion): Mark and update virtual SSA.
8408
8409 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8410
8411         PR target/61821
8412         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
8413         (x86_elf_aligned_common): Rename to ...
8414         (x86_elf_aligned_decl_common): ... this.
8415         Add decl arg.  Switch to .lbss for largecomm object.  Use
8416         LARGECOMM_SECTION_ASM_OP.
8417         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
8418         renaming.
8419         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
8420         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
8421         Pass new decl arg.
8422         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8423         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
8424
8425 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8426
8427         PR target/59407
8428         * config/i386/i386.c (SECTION_LARGE): Define.
8429         (x86_64_elf_select_section): Set it for large data/bss sections.
8430         Only clear SECTION_WRITE for .lrodata.
8431         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
8432         data/bss sections.
8433         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
8434         * varasm.c (default_elf_asm_named_section): Grow flagchars.
8435         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
8436         SECTION_MACH_DEP.
8437         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
8438         * doc/tm.texi: Regenerate.
8439
8440 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8441
8442         PR bootstrap/70704
8443         * configure.ac (--enable-checking): Document extra flag, for
8444         non-release builds default to --enable-checking=yes,extra.
8445         If misc checking and extra checking, define CHECKING_P to 2 instead
8446         of 1.
8447         * common.opt (fchecking=): Add.
8448         * doc/invoke.texi (-fchecking=): Document.
8449         * doc/install.texi: Document --enable-checking changes.
8450         * configure: Regenerated.
8451         * config.in: Regenerated.
8452
8453 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8454
8455         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
8456         attribute instead of which_alternative.
8457         * config/i386/sse.md (*mov<mode>_internal): Ditto.
8458         Use EXT_REX_SSE_REG_P where appropriate.
8459
8460 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8461
8462         * config/i386/predicates.md (const0_operand): Do not match
8463         const_wide_int code.
8464         (const1_operand): Ditto.
8465
8466 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8467
8468         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
8469         for SSE constm1 operands and TARGET_AVX512VL.
8470         (*movti_internal): Ditto.
8471         (*mov<mode>_or): Use constm1_operand predicate.
8472         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
8473         for SSE vector_all_ones operands and TARGET_AVX512VL.
8474         * config/i386/predicates.md (constm1_operand): New predicate.
8475         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
8476         emission of constant -1 load.
8477
8478 2016-04-25  Jason Merrill  <jason@redhat.com>
8479
8480         * gdbinit.in: Skip is-a.h.
8481
8482         * attribs.c (register_scoped_attributes): Fix logic.
8483         * attribs.h: Declare register_scoped_attributes.
8484
8485 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8486
8487         * config/rs6000/rs6000-builtin.def: Correct pasto error for
8488         stxvd2x and stxvw4x built-in functions.
8489
8490 2016-04-25  DJ Delorie  <dj@redhat.com>
8491
8492         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
8493         (ashrhi3): Likewise.
8494         (lshrhi3): Likewise.
8495
8496 2016-04-25  Richard Biener  <rguenther@suse.de>
8497
8498         PR tree-optimization/70780
8499         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
8500         wasn't visited yet.
8501         (compute_antic): Mark blocks with abnormal preds as visited as
8502         they have a final empty antic-in solution already.
8503
8504 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8505
8506         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8507
8508 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8509
8510         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8511         mode is VQI to improve mixed mode vectorization.
8512         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8513         define_insn to match low half of signed vaddw.
8514         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
8515         define_insn to match high half of signed vaddw.
8516         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
8517         define_insn to match low half of unsigned vaddw.
8518         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
8519         define_insn to match high half of unsigned vaddw.
8520         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
8521         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8522         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
8523         for new function.
8524         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8525         * config/arm/predicates.md (vect_par_constant_high): Support
8526         big endian and simplify by calling
8527         arm_simd_check_vect_par_cnst_half
8528         (vect_par_constant_low): Likewise.
8529
8530 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8531
8532         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
8533         predicate for operand 2.
8534
8535 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
8536             H.J. Lu  <hongjiu.lu@intel.com>
8537
8538         * config/i386/i386-protos.h (standard_sse_constant_p): Add
8539         machine_mode argument.
8540         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
8541         constm1_rtx operands.  For VOIDmode constants, get mode from
8542         pred_mode.  Check mode size if the mode is supported by ABI.
8543         (standard_sse_constant_opcode): Do not use standard_constant_p.
8544         Strictly check ABI support for all-ones operands.
8545         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
8546         immediates. Update calls to standard_sse_constant_p.
8547         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
8548         (ix86_rtx_costs): Ditto.
8549         * config/i386/i386.md (*movxi_internal_avx512f): Use
8550         nonimmediate_or_sse_const_operand instead of vector_move_operand.
8551         Use (v,BC) alternative instead of (v,C). Use register_operand
8552         checks instead of MEM_P.
8553         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
8554         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
8555         isa attribute.  Use register_operand checks instead of MEM_P.
8556         (*movti_internal): Use nonimmediate_or_sse_const_operand for
8557         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
8558         alternative and corresponding sse2 isa attribute.
8559         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
8560         to standard_sse_constant_p.
8561         (FP constant splitters): Ditto.
8562         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
8563         (C): Ditto.
8564         * config/i386/predicates.md (constm1_operand): Remove.
8565         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
8566         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
8567         vector_all_ones_operand instead of constm1_operand.
8568
8569 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8570
8571         * print-rtl.c (print_rtx_insn_vec): New function.
8572         * print-rtl.h: New prototype.
8573         * store-motion.c (struct st_expr): Make avail_stores a vector.
8574         (st_expr_entry): Adjust.
8575         (free_st_expr_entry): Likewise.
8576         (print_store_motion_mems): Likewise.
8577         (find_moveable_store): Likewise.
8578         (compute_store_table): Likewise.
8579         (delete_store): Likewise.
8580         (build_store_vectors): Likewise.
8581
8582 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8583
8584         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
8585
8586 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8587
8588         * vec.h (vec_safe_contains): New function.
8589         (vec::contains): Likewise.
8590         (vec::begin): Likewise.
8591         (vec::end): Likewise.
8592
8593 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
8594
8595         PR sanitizer/70712
8596         * cfgexpand.c (expand_stack_vars): Fix typo.
8597
8598 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8599
8600         * system.h (list, map, set, vector): Include conditionally.
8601         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8602         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8603         * ipa-icf.c (INCLUDE_LIST): Define.
8604         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8605         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8606         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8607         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8608         * cp/logic.cc (INCLUDE_LIST): Define.
8609         * fortran/trans-common.c (INCLUDE_MAP): Define.
8610
8611 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8612
8613         * auto-profile.c: Remove <string.h> include.
8614         * ipa-icf-gimple.c: Remove <list> include.
8615         * diagnostic.c: Remove <new> include.
8616         * genmatch.c: Likewise.
8617         * pretty-print.c: Likewise.
8618         * toplev.c: Likewise
8619         * c/c-objc-common.c: Likewise.
8620         * cp/error.c: Likewise.
8621         * fortran/error.c: Likewise.
8622
8623 2016-04-22  Richard Biener  <rguenther@suse.de>
8624
8625         * lto-streamer-in.c (input_ssa_names): Do not allocate
8626         GIMPLE_NOP for all SSA names.
8627         * lto-streamer-out.c (output_ssa_names): Do not output
8628         SSA names that should have been released.
8629
8630 2016-04-22  Richard Biener  <rguenther@suse.de>
8631
8632         PR tree-optimization/70740
8633         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8634         VDEF.
8635
8636 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8637
8638         PR target/70750
8639         * config/i386/predicates.md (call_insn_operand): Replace
8640         sibcall_memory_operand with memory_operand.
8641
8642 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8643
8644         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8645         has_single_use() tests.
8646         (register_edge_assert_for_1): Likewise.
8647         (find_assert_locations_1): Check the liveness bitmap instead of
8648         checking has_single_use().
8649
8650 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8651
8652         PR target/70728
8653         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8654         Extract AVX-512BW constraint from AVX.
8655
8656 2016-04-21  Richard Biener  <rguenther@suse.de>
8657
8658         PR tree-optimization/70725
8659         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8660         for phi_convertible_by_degenerating_args.
8661         (predicate_all_scalar_phis): Handle single-argument PHIs.
8662
8663 2016-04-21  Richard Biener  <rguenther@suse.de>
8664
8665         PR middle-end/70747
8666         * fold-const.c (fold_comparison): Return properly typed
8667         constant boolean.
8668
8669 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8670
8671         PR tree-optimization/70715
8672         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8673         after expanding BASE using expand_simple_operations.
8674
8675 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8676
8677         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8678         New transformations.
8679
8680 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8681
8682         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8683
8684 2016-04-20  Jan Hubicka  <jh@suse.cz>
8685
8686         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8687         ultiimate_alias_target.
8688         (update_callee_keys): Likewise.
8689         (lookup_recursive_calls): Likewise.
8690         (speculation_useful_p): Likewise.
8691
8692 2016-04-20  Jan Hubicka  <jh@suse.cz>
8693
8694         PR ipa/70018
8695         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8696         (set_nothrow_flag_1): ... this; handle interposition correctly;
8697         recurse on aliases and thunks.
8698         (cgraph_node::set_nothrow_flag): New.
8699         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8700         functions compiled with non-call exceptions that binds to current
8701         def.
8702         (propagate_nothrow): Be safe WRT interposition.
8703         * cgraph.h (set_nothrow_flag): Update prototype.
8704
8705 2016-04-18  Jan Hubicka  <jh@suse.cz>
8706
8707         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8708         max_loop_iterations_int.
8709         (tree_unswitch_outer_loop): Likewise.
8710
8711 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8712
8713         PR tree-optimization/69489
8714         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8715         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8716         Revise dump message.
8717         (if_convertible_bb_p): Remove check on edge count of basic block's
8718         predecessors.
8719
8720 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8721
8722         PR tree-optimization/56625
8723         PR tree-optimization/69489
8724         * tree-data-ref.h (DR_INNERMOST): New macro.
8725         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8726         hashing struct innermost_loop_behavior.
8727         (ref_DR_map): Remove.
8728         (innermost_DR_map): New map.
8729         (baseref_DR_map): Revise comment.
8730         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8731         to innermost_DR_map accroding to its innermost loop behavior.
8732         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8733         to its innermost loop behavior.
8734         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8735         Add initialization for innermost_DR_map.  Record memory reference
8736         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8737         have innermost loop behavior.
8738         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8739         innermost_DR_map.
8740
8741 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8742
8743         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8744         *lea_general_1.  Use explicit SWI12 mode interator.
8745         (*lea<mode>_general_2): Rename from *lea_general_2.
8746         Use explicit SWI12 mode interator.
8747         (*lea<mode>_general_3): Rename from *lea_general_3.
8748         Use explicit SWI12 mode interator.
8749         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8750         Use explicit SWI12 mode interator.
8751         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8752         Use explicit SWI48 mode interator.
8753
8754 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8755
8756         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8757         Short-cut unaligned load and store cases.  Handle all integer
8758         vector modes.
8759         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8760         and store cases.  Call ix86_avx256_split_vector_move_misalign
8761         directly without checking mode class.
8762
8763 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8764             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8765
8766         PR target/64971
8767         * config/aarch64/aarch64.md (sibcall): Force call
8768         address to be DImode for ILP32.
8769         (sibcall_value): Likewise.
8770
8771 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8772
8773         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8774
8775 2016-04-20  Richard Biener  <rguenther@suse.de>
8776
8777         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8778         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8779         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8780         (maybe_push_res_to_seq): Adjust.
8781         * gimple-fold.c (maybe_build_generic_op): Likewise.
8782
8783 2016-04-20  Marek Polacek  <polacek@redhat.com>
8784
8785         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8786         rather than true.
8787
8788 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8789
8790         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8791         use kmovw to support AVX512F target.
8792
8793 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8794
8795         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8796
8797 2016-04-20  Marek Polacek  <polacek@redhat.com>
8798
8799         PR tree-optimization/70725
8800         * tree-if-conv.c (is_false_predicate): New function.
8801         (predicate_mem_writes): Use it.
8802
8803 2016-04-20  Richard Biener  <rguenther@suse.de>
8804
8805         PR tree-optimization/70726
8806         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8807         shift amounts from a pattern stmt operand.
8808
8809 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8810
8811         PR target/70674
8812         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8813         stack_restore_from_fpr pattern when restoring r15.
8814         (s390_optimize_prologue): Strip away the memory barrier in the
8815         parallel when trying to get rid of restore insns.
8816         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8817         definition for loading the stack pointer from an FPR.  Compared to
8818         the normal move insn this pattern includes a full memory barrier.
8819
8820 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8821
8822         PR middle-end/70680
8823         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8824         implicitly linear or lastprivate iterator on the outer context.
8825
8826 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8827
8828         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8829         alignment check.
8830         * config/i386/i386.md (ssememalign): Removed.
8831         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8832
8833 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8834
8835         PR target/69201
8836         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8837         const short * to __builtin_ia32_loaddquhi512_mask.
8838         (_mm512_maskz_loadu_epi16): Likewise.
8839         (_mm512_mask_storeu_epi16): Pass short * to
8840         __builtin_ia32_storedquhi512_mask.
8841         (_mm512_mask_loadu_epi8): Pass const char * to
8842         __builtin_ia32_loaddquqi512_mask.
8843         (_mm512_maskz_loadu_epi8): Likewise.
8844         (_mm512_mask_storeu_epi8): Pass char * to
8845         __builtin_ia32_storedquqi512_mask.
8846         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8847         const double * to __builtin_ia32_loadupd512_mask.
8848         (_mm512_mask_loadu_pd): Likewise.
8849         (_mm512_maskz_loadu_pd): Likewise.
8850         (_mm512_storeu_pd): Pass double * to
8851         __builtin_ia32_storeupd512_mask.
8852         (_mm512_mask_storeu_pd): Likewise.
8853         (_mm512_loadu_ps): Pass const float * to
8854         __builtin_ia32_loadups512_mask.
8855         (_mm512_mask_loadu_ps): Likewise.
8856         (_mm512_maskz_loadu_ps): Likewise.
8857         (_mm512_storeu_ps): Pass float * to
8858         __builtin_ia32_storeups512_mask.
8859         (_mm512_mask_storeu_ps): Likewise.
8860         (_mm512_mask_loadu_epi64): Pass const long long * to
8861         __builtin_ia32_loaddqudi512_mask.
8862         (_mm512_maskz_loadu_epi64): Likewise.
8863         (_mm512_mask_storeu_epi64): Pass long long *
8864         to __builtin_ia32_storedqudi512_mask.
8865         (_mm512_loadu_si512): Pass const int * to
8866         __builtin_ia32_loaddqusi512_mask.
8867         (_mm512_mask_loadu_epi32): Likewise.
8868         (_mm512_maskz_loadu_epi32): Likewise.
8869         (_mm512_storeu_si512): Pass int * to
8870         __builtin_ia32_storedqusi512_mask.
8871         (_mm512_mask_storeu_epi32): Likewise.
8872         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8873         char * to __builtin_ia32_storedquqi256_mask.
8874         (_mm_mask_storeu_epi8): Likewise.
8875         (_mm256_mask_loadu_epi16): Pass const short * to
8876         __builtin_ia32_loaddquhi256_mask.
8877         (_mm256_maskz_loadu_epi16): Likewise.
8878         (_mm_mask_loadu_epi16): Pass const short * to
8879         __builtin_ia32_loaddquhi128_mask.
8880         (_mm_maskz_loadu_epi16): Likewise.
8881         (_mm256_mask_loadu_epi8): Pass const char * to
8882         __builtin_ia32_loaddquqi256_mask.
8883         (_mm256_maskz_loadu_epi8): Likewise.
8884         (_mm_mask_loadu_epi8): Pass const char * to
8885         __builtin_ia32_loaddquqi128_mask.
8886         (_mm_maskz_loadu_epi8): Likewise.
8887         (_mm256_mask_storeu_epi16): Pass short * to.
8888         __builtin_ia32_storedquhi256_mask.
8889         (_mm_mask_storeu_epi16): Pass short * to.
8890         __builtin_ia32_storedquhi128_mask.
8891         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8892         const double * to __builtin_ia32_loadupd256_mask.
8893         (_mm256_maskz_loadu_pd): Likewise.
8894         (_mm_mask_loadu_pd): Pass onst double * to
8895         __builtin_ia32_loadupd128_mask.
8896         (_mm_maskz_loadu_pd): Likewise.
8897         (_mm256_mask_storeu_pd): Pass double * to
8898         __builtin_ia32_storeupd256_mask.
8899         (_mm_mask_storeu_pd): Pass double * to
8900         __builtin_ia32_storeupd128_mask.
8901         (_mm256_mask_loadu_ps): Pass const float * to
8902         __builtin_ia32_loadups256_mask.
8903         (_mm256_maskz_loadu_ps): Likewise.
8904         (_mm_mask_loadu_ps): Pass const float * to
8905         __builtin_ia32_loadups128_mask.
8906         (_mm_maskz_loadu_ps): Likewise.
8907         (_mm256_mask_storeu_ps): Pass float * to
8908         __builtin_ia32_storeups256_mask.
8909         (_mm_mask_storeu_ps): ass float * to
8910         __builtin_ia32_storeups128_mask.
8911         (_mm256_mask_loadu_epi64): Pass const long long * to
8912         __builtin_ia32_loaddqudi256_mask.
8913         (_mm256_maskz_loadu_epi64): Likewise.
8914         (_mm_mask_loadu_epi64): Pass const long long * to
8915         __builtin_ia32_loaddqudi128_mask.
8916         (_mm_maskz_loadu_epi64): Likewise.
8917         (_mm256_mask_storeu_epi64): Pass long long * to
8918         __builtin_ia32_storedqudi256_mask.
8919         (_mm_mask_storeu_epi64): Pass long long * to
8920         __builtin_ia32_storedqudi128_mask.
8921         (_mm256_mask_loadu_epi32): Pass const int * to
8922         __builtin_ia32_loaddqusi256_mask.
8923         (_mm256_maskz_loadu_epi32): Likewise.
8924         (_mm_mask_loadu_epi32): Pass const int * to
8925         __builtin_ia32_loaddqusi128_mask.
8926         (_mm_maskz_loadu_epi32): Likewise.
8927         (_mm256_mask_storeu_epi32): Pass int * to
8928         __builtin_ia32_storedqusi256_mask.
8929         (_mm_mask_storeu_epi32): Pass int * to
8930         __builtin_ia32_storedqusi128_mask.
8931         * config/i386/i386-builtin-types.def (PCSHORT): New.
8932         (PINT64): Likewise.
8933         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8934         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8935         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8936         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8937         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8938         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8939         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8940         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8941         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8942         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8943         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8944         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8945         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8946         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8947         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8948         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8949         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8950         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8951         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8952         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8953         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8954         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8955         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8956         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8957         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8958         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8959         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8960         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8961         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8962         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8963         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8964         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8965         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8966         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8967         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8968         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8969         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8970         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8971         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8972         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8973         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8974         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8975         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8976         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8977         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8978         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8979         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8980         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8981         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8982         use UNSPEC_STOREU.
8983         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8984         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8985         load nor store.
8986         (ix86_expand_vector_move_misalign): Likewise.
8987         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8988         to scalar function prototype for unaligned load/store builtins.
8989         (ix86_expand_special_args_builtin): Updated.
8990         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8991         (UNSPEC_STOREU): Likewise.
8992         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8993         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8994         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8995         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8996         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8997         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8998         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8999         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
9000         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
9001         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
9002         (<avx512>_storedqu<mode>_mask): Likewise.
9003         (*sse4_2_pcmpestr_unaligned): Likewise.
9004         (*sse4_2_pcmpistr_unaligned): Likewise.
9005         (*mov<mode>_internal): Renamed to ...
9006         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
9007         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
9008         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
9009         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
9010
9011 2016-04-19  Richard Biener  <rguenther@suse.de>
9012
9013         PR tree-optimization/70171
9014         * tree-ssa-phiprop.c: Include stor-layout.h.
9015         (phiprop_insert_phi): Handle the aggregate copy case.
9016         (propagate_with_phi): Likewise.
9017
9018 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
9019
9020         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
9021         instead of simplify_gen_subreg (... , 0).
9022         (ix86_delegitimize_address): Ditto.
9023         (ix86_split_divmod): Ditto.
9024         (ix86_split_copysign_const): Ditto.
9025         (ix86_split_copysign_var): Ditto.
9026         (ix86_expand_args_builtin): Ditto.
9027         (ix86_expand_round_builtin): Ditto.
9028         (ix86_expand_special_args_builtin): Ditto.
9029         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
9030         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
9031         (udivmodqi4): Ditto.
9032         (absneg splitters): Ditto.
9033         (*jcc_bt<mode>_1): Ditto.
9034
9035 2016-04-19  Richard Biener  <rguenther@suse.de>
9036
9037         PR tree-optimization/70724
9038         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
9039         restoring out from ...
9040         (free_scc_vn): ... here.
9041         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
9042         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
9043         tail merging.
9044         (pass_fre::execute): Restore SSA info.
9045
9046 2016-04-19  Richard Biener  <rguenther@suse.de>
9047
9048         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
9049         * gimple-walk.c (walk_gimple_op): Initialize it.
9050         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
9051         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
9052         remapping SSA names of defs.
9053         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
9054         adjustment.
9055
9056 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
9057
9058         PR middle-end/70689
9059         * lra-constraints.c (equiv_substition_p): New.
9060         (process_alt_operands): Use it.
9061         (swap_operands): Swap it.
9062         (curr_insn_transform): Update it.
9063
9064 2016-04-18  Michael Matz  <matz@suse.de>
9065
9066         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
9067         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
9068         * tree-core.h (tree_type_common.align): Use bit-field.
9069         (tree_type_common.spare): New.
9070         (tree_decl_common.off_align): Make smaller.
9071         (tree_decl_common.align): Use bit-field.
9072
9073         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
9074         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
9075         (scan_sharing_clauses): Ditto.
9076         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
9077         (omp_finish_file): Ditto.
9078         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
9079         (layout_decl): Ditto.
9080         (relayout_decl): Ditto.
9081         (finalize_record_size): Use SET_TYPE_ALIGN.
9082         (finalize_type_size): Ditto.
9083         (finish_builtin_struct): Ditto.
9084         (layout_type): Ditto.
9085         (initialize_sizetypes): Ditto.
9086         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
9087         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
9088         (lookup_field_for_decl): Use SET_DECL_ALIGN.
9089         (get_chain_field): Ditto.
9090         (get_trampoline_type): Ditto.
9091         (get_nl_goto_field): Ditto.
9092         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
9093         SET_DECL_ALIGN.
9094         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
9095         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
9096         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
9097         (build_qualified_type): Use SET_TYPE_ALIGN.
9098         (build_aligned_type, build_range_type_1): Ditto.
9099         (build_atomic_base): Ditto.
9100         (build_common_tree_nodes): Ditto.
9101         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
9102         (expand_one_stack_var_at): Ditto.
9103         * coverage.c (build_var): Use SET_DECL_ALIGN.
9104         * except.c (init_eh): Ditto.
9105         * function.c (assign_parm_setup_block): Ditto.
9106         * symtab.c (increase_alignment_1): Ditto.
9107         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
9108         * tree-vect-stmts.c (ensure_base_align): Ditto.
9109         * varasm.c (align_variable): Ditto.
9110         (assemble_variable): Ditto.
9111         (build_constant_desc): Ditto.
9112         (output_constant_def_contents): Ditto.
9113
9114         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
9115         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
9116         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
9117         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
9118         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
9119
9120 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
9121
9122         PR target/70708
9123         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
9124         replace %vmovsd with "%vmovq".
9125         (vec_concatv2df): Likewise.
9126
9127 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
9128
9129         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
9130         (*vec_extractv2si_0): Ditto.
9131         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
9132         (zero_extended_scalar_load_operand splitters): Ditto.
9133         (vec_extract splitters): Ditto.
9134         (*vec_extractv4si_0_zext): Ditto.
9135         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
9136         and lowpart_subreg.
9137         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
9138         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
9139         (*sse4_1_extractps): Use lowpart_subreg.
9140         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
9141
9142 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9143
9144         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
9145         gld requirements.
9146         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
9147         Mention Solaris 11 packaging changes.
9148         Update gas and gld requirements.
9149         Remove reference to pre-Solaris 10 bug.
9150         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
9151         systems and bugs.
9152         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
9153         with cc.
9154
9155 2016-04-17  Jan Hubicka  <jh@suse.cz>
9156
9157         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
9158         max_loop_iterations_int.
9159
9160 2016-04-18  Richard Biener  <rguenther@suse.de>
9161
9162         PR tree-optimization/43434
9163         * tree-ssa-structalias.c (struct vls_data): New.
9164         (visit_loadstore): Handle all pointer-based accesses.
9165         (compute_dependence_clique): Compute a bitmap of restrict tags
9166         assigned bases and pass it to visit_loadstore.
9167
9168 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
9169
9170         PR target/70711
9171         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
9172         armv8.1-a and armv8.1-a+crc.
9173
9174 2016-04-18  Richard Biener  <rguenther@suse.de>
9175
9176         PR tree-optimization/70701
9177         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
9178         references after translating through a memcpy.
9179
9180 2016-04-18  Richard Biener  <rguenther@suse.de>
9181
9182         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
9183         (compute_antic): ... here.  For partial antic use regular
9184         postorder and scrap iteration.
9185         (compute_partial_antic_aux): Remove unused return value.
9186         (init_pre): Do not allocate postorder.
9187         (fini_pre): Do not free postorder.
9188
9189 2016-04-18  Richard Biener  <rguenther@suse.de>
9190
9191         PR middle-end/37870
9192         * expmed.c (extract_bit_field_1): Remove broken case
9193         using a wider MODE_INT mode.
9194
9195 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
9196
9197         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
9198         unless compiling with at least GCC-4.8.
9199
9200 2016-04-17  Jan Hubicka  <jh@suse.cz>
9201
9202         PR bootstrap/70706
9203         * graphite.c (graphite_finalize): Update call to
9204         tree_estimate_probability.
9205         * predict.h (tree_estimate_probability): Update prototype.
9206
9207 2016-04-17  Jan Hubicka  <jh@suse.cz>
9208
9209         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
9210         (tree_estimate_probability): Likewise.
9211         (pass_profile::execute): Update.
9212         (report_predictor_hitrates): New function.
9213         * profile.c (compute_branch_probabilities): Use it.
9214         * predict.h (report_predictor_hitrates): Declare.
9215
9216 2016-04-17  Jan Hubicka  <jh@suse.cz>
9217
9218         PR ipa/70018
9219         * cgraph.h (cgraph_node::set_const_flag,
9220         cgraph_node::set_pure_flag): Update prototype to return bool;
9221         update comment.
9222         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
9223         of interposable symbol are interposable, too.
9224         (cgraph_set_const_flag_1): Rename to ...
9225         (set_const_flag_1): ... this one; change to self recursive function
9226         instead of call_for_symbol_thunks_and_aliases. Handle correctly
9227         clearnig the flag in all variants and also virtual thunks of const
9228         functions are pure; track if any change was done.
9229         (cgraph_node::set_const_flag): Update.
9230         (struct set_pure_flag_info): New struct.
9231         (cgraph_set_pure_flag_1): Rename to ...
9232         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
9233         rather than pointer encoded flags; track if any changes was done;
9234         handle correctly clearning flag and setting flag of aliases already
9235         declared const.
9236         (cgraph_node::set_pure_flag): Update.
9237         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
9238
9239 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9240
9241         PR other/70433
9242         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
9243         backslash in label.
9244
9245 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9246
9247         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
9248         '{}<> ' as escape-for-record.
9249
9250 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9251
9252         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
9253         structure.
9254
9255 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9256
9257         PR other/70185
9258         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
9259         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
9260         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
9261         * passes.c (finish_optimization_passes): Only call
9262         finish_graph_dump_file if dfi->graph_dump_initialized.
9263         (execute_function_dump, pass_init_dump_file): Use
9264         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
9265
9266 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9267
9268         PR tree-optimization/70256
9269         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
9270         (debug_varmap): New function.
9271
9272 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9273
9274         PR other/70183
9275         * passes.c (pass_manager::register_pass): Propagate pflags.
9276
9277 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9278
9279         PR other/68875
9280         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
9281         * passes.c (pass_manager::pass_manager): Declare and init p_start in
9282         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
9283         check if it's equal to p_start.
9284         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
9285
9286 2016-04-15  Jan Hubicka  <jh@suse.cz>
9287
9288         PR ipa/70018
9289         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
9290         function does not bind to current def.
9291         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
9292         handle conservatively calls to functions that does not need to bind
9293         to current def.
9294         (check_call): Update call of worse_state.
9295         (ignore_edge_for_nothrow): Update.
9296         (ignore_edge_for_pure_const): Likewise.
9297         (propagate_pure_const): Update calls to worse_state.
9298         (skip_function_for_local_pure_const): Reformat comments.
9299
9300 2016-04-15  Jan Hubicka  <jh@suse.cz>
9301
9302         PR ipa/70018
9303         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
9304         (cgraph_node::function_symbol): Likewise.
9305         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9306         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
9307         (symtab_node::ultimate_alias_target): Add REF parameter.
9308         (symtab_node::binds_to_current_def_p): Declare.
9309         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
9310         (cgraph_node::function_symbol): Likewise.
9311         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9312         (cgraph_node::get_availability): Likewise.
9313         (cgraph_edge::binds_to_current_def_p): New inline function.
9314         (varpool_node::get_availability): Add REF parameter.
9315         (varpool_node::ultimate_alias_target): Likewise.
9316         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
9317         (symtab_node::binds_to_current_def_p): Likewise.
9318         * varpool.c (varpool_node::get_availability): Likewise.
9319
9320 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9321
9322         PR target/70662
9323         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
9324         Fix mode size check.
9325
9326 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9327
9328         * BASE-VER: Set to 7.0.0.
9329
9330 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
9331
9332         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
9333
9334 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9335
9336         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
9337         architecture revisions.
9338
9339 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
9340
9341         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
9342         * config/i386/i386.c (ix86_using_red_zone): No longer static.
9343         * config/i386/i386.md (stack decrement to push peepholes): Guard
9344         with !x86_using_red_zone ().
9345
9346 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9347
9348         PR c++/70675
9349         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
9350         to dump_generic_node.
9351         (NIY): Pass also flags to do_niy.
9352
9353 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
9354
9355         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
9356         (simd_clone_vector_of_formal_parm_types)
9357         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
9358         (simd_clone_mangle, simd_clone_create)
9359         (simd_clone_adjust_return_type, create_tmp_simd_array)
9360         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
9361         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
9362         (ipa_simd_modify_function_body, simd_clone_linear_addend)
9363         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
9364         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
9365         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
9366         * omp-simd-clone.c: ... this new file.
9367         (simd_clone_vector_of_formal_parm_types): Make it static.
9368         * Makefile.in (OBJS): Add omp-simd-clone.o.
9369
9370 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9371
9372         PR target/70662
9373         * config/i386/sse.md: Use proper memory operand modifiers.
9374
9375
9376 2016-04-15  Richard Biener  <rguenther@suse.de>
9377         Alan Modra  <amodra@gmail.com>
9378
9379         PR tree-optimization/70130
9380         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
9381         when alignment stays not the same and no not use the realign
9382         scheme then.
9383
9384 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9385
9386         PR target/70669
9387         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
9388         direct move handlers for KFmode. Change TFmode handlers test from
9389         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
9390
9391 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
9392
9393         PR c++/70594
9394         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
9395         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
9396         (inlined_polymorphic_ctor_dtor_block_p): Use it.
9397         * tree-ssa-live.c (remove_unused_scope_block_p): When
9398         in_ctor_dtor_block, avoid discarding not just BLOCKs with
9399         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
9400         block_ultimate_origin is FUNCTION_DECL.
9401         (remove_unused_locals): If current_function_decl is
9402         polymorphic_ctor_dtor_p, pass initial true to
9403         remove_unused_scope_block_p' is_ctor_dtor_block.
9404
9405 2016-04-14  Martin Sebor  <msebor@redhat.com>
9406
9407         PR c++/69517
9408         PR c++/70019
9409         PR c++/70588
9410         * doc/extend.texi (Variable Length): Revert.
9411
9412 2016-04-14  Marek Polacek  <polacek@redhat.com>
9413             Jan Hubicka  <hubicka@ucw.cz>
9414
9415         PR c++/70029
9416         * tree.c (verify_type): Disable the canonical type of main variant
9417         check.
9418
9419 2016-04-14  Jason Merrill  <jason@redhat.com>
9420
9421         * cfgexpand.c, expr.c: Revert previous change.
9422
9423 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
9424
9425         PR middle-end/70643
9426         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
9427         when building a mem ref for the incoming reduction variable.
9428
9429 2016-04-14  Richard Biener  <rguenther@suse.de>
9430
9431         PR tree-optimization/70614
9432         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
9433         loop if the evolution dropped to chrec_dont_know.
9434         (interpret_condition_phi): Likewise.
9435
9436 2016-04-14  Richard Biener  <rguenther@suse.de>
9437
9438         PR tree-optimization/70623
9439         * tree-ssa-pre.c (changed_blocks): Make global ...
9440         (compute_antic): ... local here.  Move and fix worklist
9441         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
9442         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
9443         worklist handling, dump when ANTIC_IN changed.
9444         (compute_partial_antic_aux): Remove worklist handling.
9445         (init_pre): Do not compute post dominators.  Add a comment about
9446         the CFG order chosen.
9447         (fini_pre): Do not free post dominators.
9448
9449 2016-04-13  Martin Sebor  <msebor@redhat.com>
9450
9451         PR c++/69517
9452         PR c++/70019
9453         PR c++/70588
9454         * doc/extend.texi (Variable Length): Document C++ specifics.
9455
9456 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9457
9458         PR c++/70641
9459         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
9460         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
9461         eh edges have been purged.
9462
9463         PR c++/70594
9464         * tree-sra.c (create_access_replacement,
9465         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
9466         gets fancy name.
9467         * tree-pretty-print.c (dump_fancy_name): New function.
9468         (dump_decl_name, dump_generic_node): Use it.
9469
9470 2016-04-13  Jason Merrill  <jason@redhat.com>
9471
9472         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
9473         * expr.c (expand_expr_real_1): Likewise.
9474
9475 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
9476
9477         * config/i386/i386.md (kunpckhi): Swap operands.
9478         (kunpcksi): Likewise.
9479         (kunpckdi): Likewise.
9480         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
9481         (vec_pack_trunc_<mode>): Likewise.
9482
9483 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9484
9485         PR debug/70628
9486         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
9487
9488         PR middle-end/70633
9489         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
9490         gimplification turns some element into non-constant.
9491
9492         PR debug/70628
9493         * rtl.h (convert_memory_address_addr_space_1): New prototype.
9494         * explow.c (convert_memory_address_addr_space_1): No longer static,
9495         add NO_EMIT argument and don't call convert_modes if true, pass
9496         it down recursively, remove break after return.
9497         (convert_memory_address_addr_space): Adjust caller.
9498         * simplify-rtx.c (simplify_unary_operation_1): Call
9499         convert_memory_address_addr_space_1 instead of convert_memory_address,
9500         if it returns NULL, don't simplify.
9501
9502 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
9503
9504         PR target/70630
9505         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9506
9507 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9508
9509         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9510         Bump the upper SIMDLEN limits, so that if the return type or
9511         characteristic type if the return type is void can be passed in
9512         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
9513         allowed.
9514
9515 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9516
9517         PR target/70640
9518         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
9519         Do not use "=" constraint on an input constraint.
9520         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
9521         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
9522         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
9523         generates (neg (abs ...)) instead of (abs ...).
9524
9525 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9526
9527         PR rtl-optimization/70596
9528         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
9529         just invalidate LRA data and reset them.  Adjust dump wording.
9530
9531 2016-04-12  Martin Liska  <mliska@suse.cz>
9532
9533         Revert
9534         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9535
9536         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9537         estimates here.
9538         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9539         max_loop_iterations_int.
9540         (tree_unswitch_outer_loop): Likewise.
9541         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9542         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9543
9544 2016-04-12  Tom de Vries  <tom@codesourcery.com>
9545
9546         PR tree-optimization/68756
9547         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
9548         instead of new_name.
9549
9550 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9551
9552         PR tree-optimization/70602
9553         * tree-sra.c (generate_subtree_copies): Don't write anything into
9554         constant pool decls.
9555
9556         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
9557         regardless whether there are depend clauses or not.
9558
9559 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9560
9561         PR target/70381
9562         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
9563         target attribute and pragma from changing the -mfloat128
9564         and -mfloat128-hardware options.
9565
9566         * doc/extend.texi (Additional Floating Types): Document PowerPC
9567         __float128 restrictions.
9568
9569 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9570
9571         PR target/70133
9572         * config/aarch64/driver-aarch64.c
9573         (aarch64_get_extension_string_for_isa_flags): New.
9574         (arch_extension): Rename to...
9575         (aarch64_arch_extension): ...This.
9576         (ext_to_feat_string): Rename to...
9577         (aarch64_extensions): ...This.
9578         (aarch64_core_data): Keep track of architecture extension flags.
9579         (cpu_data): Rename to...
9580         (aarch64_cpu_data): ...This.
9581         (aarch64_arch_driver_info): Keep track of architecture extension
9582         flags.
9583         (get_arch_name_from_id): Rename to...
9584         (get_arch_from_id): ...This, change return type.
9585         (host_detect_local_cpu): Update and reformat for renames, handle
9586         extensions through common infrastructure.
9587
9588 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9589
9590         PR target/70133
9591         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
9592         track of a canonical flag name.
9593         (all_extensions): Likewise.
9594         (arch_to_arch_name): Also track extension flags enabled by the arch.
9595         (all_architectures): Likewise.
9596         (aarch64_parse_extension): Move to here.
9597         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9598         rework.
9599         (aarch64_rewrite_selected_cpu): Update for above change.
9600         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9601         are handled, such that the single explicit value enabled by an
9602         extension is kept seperate from the implicit values it also enables.
9603         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9604         to here.
9605         (aarch64_parse_extension): New.
9606         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9607         here to config/aarch64/aarch64-protos.h.
9608         (aarch64_parse_extension): Move from here to
9609         common/config/aarch64/aarch64-common.c.
9610         (aarch64_option_print): Update.
9611         (aarch64_declare_function_name): Likewise.
9612         (aarch64_start_file): Likewise.
9613         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9614         the canonical flag for extensions.
9615         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9616         flags.
9617
9618 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9619
9620         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9621         AARCH64_FL_CRC.
9622
9623 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9624
9625         PR tree-optimization/68953
9626         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9627         first to last subscript.
9628
9629 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9630
9631         PR tree-optimization/70586
9632         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9633         for any calls.
9634
9635 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9636
9637         PR lto/70289
9638         PR ipa/70348
9639         PR tree-optimization/70373
9640         PR middle-end/70533
9641         PR middle-end/70534
9642         PR middle-end/70535
9643         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9644         clauses for acc parallel reductions as necessary.  Error on those
9645         that are private.
9646         * omp-low.c (scan_sharing_clauses): Don't install variables which
9647         are used in acc parallel reductions.
9648         (lower_rec_input_clauses): Remove dead code.
9649         (lower_oacc_reductions): Add support for reference reductions.
9650         (lower_reduction_clauses): Remove dead code.
9651         (lower_omp_target): Don't remap variables appearing in acc parallel
9652         reductions.
9653         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9654
9655 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9656
9657         PR middle-end/70593
9658         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9659         with multiple SSA_NAME defs, force the outputs other than first
9660         to be live before calling live_track_process_def on each output.
9661
9662         PR rtl-optimization/70574
9663         * fwprop.c (forward_propagate_and_simplify): Don't add
9664         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9665         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9666         paradoxical subregs within *loc.
9667
9668 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9669
9670         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9671         -ftree-parallelize-loops={0,1}.
9672         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9673         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9674         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9675         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9676         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9677
9678 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9679
9680         PR sanitizer/70541
9681         * asan.c (instrument_derefs): If we get unknown location, extract it
9682         with EXPR_LOCATION.
9683         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9684
9685 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9686
9687         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9688         implicit firstprivate clause.
9689
9690 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9691
9692         PR target/70566
9693         * config/arm/thumb2.md (tst + branch-> lsls + branch
9694         peephole below *orsi_not_shiftsi_si): Require that condition
9695         register is dead after the peephole.
9696         (second peephole after the above): Likewise.
9697
9698 2016-04-08  Alan Modra  <amodra@gmail.com>
9699
9700         PR target/70117
9701         * builtins.c (fold_builtin_classify): For IBM extended precision,
9702         look at just the high-order double to test for NaN.
9703         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9704         test just the high double for Inf but both doubles for subnormal
9705         limit.
9706
9707 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9708
9709         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9710         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9711         node->simdclone->mask_mode != VOIDmode masks.
9712         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9713         earlier, use it instead of node->simdclone.
9714         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9715         Set clonei->mask_mode.
9716
9717 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9718
9719         PR c/70436
9720         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9721         Pass it through to cp_parser_already_scoped_statement.
9722         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9723         it through to cp_parser_statement.
9724         (cp_parser_statement): Pass IF_P through to
9725         cp_parser_iteration_statement.
9726         (cp_parser_pragma): Adjust call to
9727         cp_parser_iteration_statement.
9728
9729 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9730
9731         PR c/70436
9732         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9733         resolve a future -Wparentheses warning.
9734         * omp-low.c (scan_sharing_clauses): Likewise.
9735         * tree-parloops.c (eliminate_local_variables): Likewise.
9736
9737 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9738
9739         PR rtl-optimization/70398
9740         * lra-constraints.c (process_address_1): Check zero scale and code
9741         for reloading with zero scale.
9742
9743 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9744
9745         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9746         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9747
9748 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9749
9750         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9751         Add support for AVX512F clones, include them by default for
9752         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9753         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9754         up to 128.
9755
9756         PR middle-end/70550
9757         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9758         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9759         firstprivate clauses.
9760         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9761         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9762         (lower_omp_target): Set TREE_NO_WARNING for
9763         non-addressable possibly uninitialized vars which are copied into
9764         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9765
9766 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9767
9768         * config/pa/predicates.md (integer_store_memory_operand): Accept
9769         REG+D operands with a large offset when reload_in_progress is true.
9770         (floating_point_store_memory_operand): Likewise.
9771
9772 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9773
9774         PR c++/70336
9775         * match.pd (nested int casts): Limit to GIMPLE.
9776
9777 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9778
9779         PR ipa/66223
9780         * ipa-devirt.c (maybe_record_node): Fix comment; use
9781         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9782
9783 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9784
9785         PR rtl-optimization/70542
9786         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9787         if there are any uses other than insn or debug insns.
9788
9789 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9790             Jakub Jelinek  <jakub@redhat.com>
9791
9792         PR tree-optimization/70509
9793         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9794         Shift HOST_WIDE_INT_1U instead of 1.
9795
9796 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9797
9798         PR tree-optimization/70509
9799         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9800         of the vector base type for index.
9801
9802 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9803
9804         PR target/70510
9805         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9806
9807 2016-04-05  Richard Biener  <rguenther@suse.de>
9808
9809         PR tree-optimization/70526
9810         * tree-sra.c (build_ref_for_offset): Use prev_base to
9811         extract the alias pointer type.
9812
9813 2016-04-05  Richard Biener  <rguenther@suse.de>
9814
9815         * dse.c (struct store_info): Remove alias_set member.
9816         (struct read_info_type): Likewise.
9817         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9818         spill_deleted, clear_alias_set_lookup): Remove.
9819         (get_group_info): Remove dead base == NULL_RTX case.
9820         (dse_step0): Remove initialization of removed variables.
9821         (delete_dead_store_insn): Reomve alias set dumping.
9822         (free_read_records): Remove alias_set handling.
9823         (canon_address): Remove alias_set_out parameter.
9824         (record_store): Remove spill_alias_set, it's always zero.
9825         (check_mem_read_rtx): Likewise.
9826         (dse_step2): Rename from ...
9827         (dse_step2_nospill): ... this.  Adjust.
9828         (scan_stores): Rename from ...
9829         (scan_stores_nospill): ... this.
9830         (scan_reads): Rename from ...
9831         (scan_reads_nospill): ... this.
9832         (scan_stores_spill, scan_reads_spill): Remove.
9833         (dse_step3_scan): Remove for_spills argument which is always false.
9834         (dse_step3): Likewise.
9835         (dse_step5): Rename from ...
9836         (dse_step5_nospill): ... this.  Remove alias_set handling.
9837         (rest_of_handle_dse): Adjust.
9838
9839 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9840
9841         PR target/70525
9842         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9843         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9844         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9845         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9846
9847 2016-04-05  Richard Biener  <rguenther@suse.de>
9848
9849         PR middle-end/70499
9850         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9851         non-register type temporaries into SSA.
9852
9853 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9854
9855         PR ipa/66223
9856         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9857         calls when sanitizing.
9858         (possible_polymorphic_call_target_p): Fix formatting.
9859
9860 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9861             Jakub Jelinek <jakub@redhat.com>
9862
9863         PR middle-end/70457
9864         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9865         to ensure a call statement is compatible with a built-in's
9866         prototype.
9867         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9868         Likewise.
9869
9870 2016-04-04  Richard Biener  <rguenther@suse.de>
9871
9872         PR rtl-optimization/70484
9873         * rtl.h (canon_output_dependence): Declare.
9874         * alias.c (canon_output_dependence): New function.
9875         * dse.c (record_store): Use canon_output_dependence rather
9876         than canon_true_dependence.
9877
9878 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9879
9880         PR ipa/68881
9881         * cgraph.h (symtab_node::copy_visibility_from): New function.
9882         * symtab.c (symtab_node::copy_visibility_from): New function.
9883         * ipa-visibility.c (optimize_weakref): New function.
9884         (function_and_variable_visibility): Use it.
9885
9886 2016-04-04  Martin Liska  <mliska@suse.cz>
9887
9888         PR hsa/70402
9889         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9890         value that is really in range handled by SBR instruction.
9891         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9892         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9893         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9894
9895 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9896
9897         PR target/70416
9898         PR target/67391
9899         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9900         set, but not for SP_REG operands.
9901
9902 2016-04-02  Martin Sebor  <msebor@redhat.com>
9903
9904         PR c++/67376
9905         * fold-const.c (maybe_nonzero_address): New function.
9906         (fold_comparison): Call it.  Fold equality and relational
9907         expressions involving null pointers.
9908         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9909
9910 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9911
9912         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9913         the "Y" constraint (scalar FP 0.0 immediate).
9914
9915         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9916         Add the "const_double" to the list of operand constraints.
9917
9918 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9919
9920         PR rtl-optimization/70467
9921         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9922         If low word of the last operand is 0, just emit addition/subtraction
9923         for the high word.
9924
9925 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9926
9927         PR target/70404
9928         * config/s390/s390.c (s390_expand_insv): Check for everything
9929         constant instead of just VOIDmode stuff.
9930
9931 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9932
9933         PR target/70496
9934         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9935
9936 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9937
9938         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9939
9940 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9941
9942         PR rtl-optimization/70461
9943         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9944         is necessary.
9945
9946 2016-03-31  Martin Liska  <mliska@suse.cz>
9947
9948         PR hsa/70399
9949         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9950         a tree value or an immediate integer value to a buffer
9951         that is eventually copied to a BRIG section.
9952         (emit_immediate_operand): Call the function here.
9953         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9954         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9955         of class' fields that are removed.
9956         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9957         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9958         m_brig_repr_size fields.
9959
9960 2016-03-31  Martin Liska  <mliska@suse.cz>
9961
9962         PR hsa/70391
9963         * hsa-gen.c (hsa_function_representation::update_dominance): New
9964         function.
9965         (convert_addr_to_flat_segment): Likewise.
9966         (gen_hsa_memory_set): New alignment argument.
9967         (gen_hsa_ctor_assignment): Likewise.
9968         (gen_hsa_insns_for_single_assignment): Provide alignment
9969         to gen_hsa_ctor_assignment.
9970         (gen_hsa_insns_for_direct_call): Add new argument.
9971         (expand_lhs_of_string_op): New function.
9972         (expand_string_operation_builtin): Likewise.
9973         (expand_memory_copy): New function.
9974         (expand_memory_set): New function.
9975         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9976         (convert_switch_statements): Change signature.
9977         (generate_hsa): Use a return value of the function.
9978         (pass_gen_hsail::execute): Do not call
9979         convert_switch_statements here.
9980         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9981         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9982         (hsa_function_representation::update_dominance): New function.
9983
9984 2016-03-31  Martin Liska  <mliska@suse.cz>
9985
9986         PR hsa/70391
9987         * hsa-brig.c (emit_directive_variable): Emit alignment
9988         according to hsa_symbol::m_align.
9989         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9990         (dump_hsa_symbol): Dump alignment of HSA symbols.
9991         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9992         (gen_hsa_addr_with_align): New function.
9993         (hsa_bitmemref_alignment): Use newly added function.
9994         (gen_hsa_insns_for_load): Likewise.
9995         (gen_hsa_insns_for_store): Likewise.
9996         (gen_hsa_memory_copy): New argument added.
9997         (gen_hsa_insns_for_single_assignment): Respect
9998         alignment for assignments processed via gen_hsa_memory_copy.
9999         (gen_hsa_insns_for_direct_call): Likewise.
10000         (gen_hsa_insns_for_return): Likewise.
10001         (gen_function_def_parameters): Set default alignment.
10002         * hsa.c (hsa_object_alignment): New function.
10003         (hsa_byte_alignment): Pasted function.
10004         * hsa.h (hsa_symbol::m_align): New field.
10005
10006 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
10007
10008         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
10009         scratch field for goto case.
10010
10011 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
10012
10013         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
10014
10015 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
10016
10017         PR target/70442
10018         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
10019         (scalar_chain::convert_insn): Call convert_op for reg
10020         moves to handle undefined registers.
10021
10022 2016-03-31  Nathan Sidwell  <nathan@acm.org>
10023
10024         PR c++/70393
10025         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
10026         Assert we don't want to move backwards.
10027
10028 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
10029
10030         PR target/70453
10031         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
10032
10033 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
10034
10035         PR rtl-optimization/70460
10036         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
10037         with operand from REG_LABEL_OPERAND, instead substitute
10038         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
10039         Don't do anything for REG_NON_LOCAL_GOTO jumps.
10040
10041 2016-03-31  Martin Liska  <mliska@suse.cz>
10042
10043         * passes.c (execute_one_pass): Do not call
10044         todo_after for a discarded function.
10045
10046 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
10047
10048         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
10049         (no_cost, infinite_cost): Initialize the new field.
10050         (get_computation_cost_at): Record setup cost.
10051         (determine_use_iv_cost_address): Skip cost computation for sub
10052         uses if we can estimate it without losing accuracy.
10053
10054 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
10055
10056         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
10057         estimates here.
10058         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10059         max_loop_iterations_int.
10060         (tree_unswitch_outer_loop): Likewise.
10061         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
10062         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
10063
10064 2016-03-30  Richard Biener  <rguenther@suse.de>
10065
10066         PR middle-end/70450
10067         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
10068
10069 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
10070
10071         PR target/70421
10072         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
10073         in gen_blendm expander.
10074
10075 2016-03-30  Nick Clifton  <nickc@redhat.com>
10076
10077         PR target/62254
10078         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
10079         case where we are already provided with an SImode SUBREG.
10080
10081 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
10082
10083         PR target/70439
10084         * config/i386/i386.c (ix86_expand_epilogue): Properly check
10085         conflict between DRAP register and __builtin_eh_return.
10086
10087 2016-03-30  Michael Matz  <matz@suse.de>
10088             Richard Biener  <rguenther@suse.de>
10089
10090         PR ipa/12392
10091         * ipa-polymorphic-call.c (struct type_change_info): Change
10092         speculative to an unsigned allowing to limit the work we do.
10093         (csftc_abort_walking_p): New inline function..
10094         (check_stmt_for_type_change): Limit the number of may-defs
10095         skipped for speculative devirtualization to
10096         max-speculative-devirt-maydefs.
10097         * params.def (max-speculative-devirt-maydefs): New param.
10098         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
10099
10100 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
10101
10102         PR target/63890
10103         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
10104         and TARGET_MACHO.
10105
10106 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
10107
10108         PR tree-optimization/59124
10109         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
10110         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
10111
10112 2016-03-29  Jeff Law  <law@redhat.com>
10113
10114         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
10115
10116 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10117
10118         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
10119         to HOST_WIDE_INT.
10120
10121 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
10122
10123         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
10124         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
10125         gcrt0.o if linking dynamically.
10126
10127 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10128
10129         PR ipa/70283
10130         * ipa-devirt.c (methods_equal_p): New function.
10131         (compare_virtual_tables): Use it.
10132         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
10133         * cgraphclones.c (clone_function_name_1): Use
10134         symbol_table::symbol_suffix_separator.
10135         * coverage.c (build_var): Likewise.
10136         * symtab.c (symbol_table::symbol_suffix_separator): New.
10137
10138 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
10139
10140         PR rtl-optimization/70429
10141         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
10142         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
10143         mode != result_mode.
10144
10145         PR c++/70353
10146         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
10147
10148         PR tree-optimization/70405
10149         * ssa-iterators.h (num_imm_uses): Add missing braces.
10150
10151 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
10152
10153         PR rtl-optimization/68695
10154         * ira-color.c (allocno_copy_cost_saving): New.
10155         (improve_allocation): Use it.
10156
10157 2016-03-29  Richard Henderson  <rth@redhat.com>
10158
10159         PR middle-end/70355
10160         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
10161
10162 2016-03-29  Richard Biener  <rguenther@suse.de>
10163
10164         PR middle-end/70424
10165         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
10166         use alignment returned by get_pointer_alignment_1 if it is
10167         bigger than BITS_PER_UNIT.
10168         * builtins.c (get_pointer_alignment_1): Do not return true
10169         for alignment extracted from SSA info.
10170
10171 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
10172
10173         * config/ft32/ft32.opt (mnodiv): New.
10174         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
10175         * doc/invoke.texi (FT32 Options -mnodiv): New.
10176
10177 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
10178
10179         PR target/70406
10180         * config/i386/i386.md (define_split, andn): Fix modes.
10181
10182 2016-03-26  Richard Biener  <rguenther@suse.de>
10183             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10184
10185         PR ipa/70366
10186         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
10187         instead of
10188         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
10189         as 2nd argument to cl_optimization_restore().
10190
10191 2016-03-25  Richard Henderson  <rth@redhat.com>
10192
10193         PR target/70120
10194         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
10195         * config/aarch64/aarch64-protos.h: Declare it.
10196         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
10197
10198 2016-03-25  Alan Modra  <amodra@gmail.com>
10199
10200         PR target/70052
10201         * config/rs6000/constraints.md (j): Simplify.
10202         * config/rs6000/predicates.md (easy_fp_constant): Exclude
10203         decimal float 0.D.
10204         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
10205         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
10206          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
10207         in all constraint alternatives.
10208         (movtd_64bit_nodm): Delete "j" constraint alternative.
10209
10210 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10211
10212         * tree-ssa-propagate.c: Enhance docs for
10213         SSA_PROP_NOT_INTERESTING.
10214
10215 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10216
10217         * doc/extend.texi: Fix typo in documentation to pure attribute.
10218
10219 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
10220
10221         PR target/70319
10222         * config/pa/pa.md (bswapdi2): Use a scratch register.
10223
10224 2016-03-24  Richard Henderson  <rth@redhat.com>
10225
10226         PR middle-end/69845
10227         * fold-const.c (extract_muldiv_1): Correct test for multiplication
10228         overflow.
10229
10230 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
10231
10232         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
10233         using ix86_expand_binary_operator instead of gen_andsi3.
10234
10235 2016-03-24  Richard Biener  <rguenther@suse.de>
10236
10237         PR tree-optimization/70396
10238         * tree-vect-stmts.c (vectorizable_comparison): Use
10239         get_vectype_for_scalar_type.
10240
10241 2016-03-24  Richard Biener  <rguenther@suse.de>
10242
10243         PR middle-end/70370
10244         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
10245         with register bases.
10246
10247 2016-03-24  Richard Biener  <rguenther@suse.de>
10248
10249         PR tree-optimization/70372
10250         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
10251         build_all_ones_cst to also handle vector types correctly.
10252
10253 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10254
10255         PR target/70381
10256         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
10257         -mfloat128 here.
10258
10259 2016-03-23  Marek Polacek  <polacek@redhat.com>
10260
10261         PR c++/69884
10262         * doc/invoke.texi: Document -Wignored-attributes.
10263
10264 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10265
10266         PR tree-optimization/69042
10267         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
10268         parameter from 30 to 40.
10269
10270 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10271
10272         PR tree-optimization/69042
10273         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
10274         for use with constant offset stripped in base.
10275
10276 2016-03-23  Richard Biener  <rguenther@suse.de>
10277
10278         PR middle-end/70251
10279         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
10280         mode compatibility check.
10281         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10282
10283 2016-03-23  Jeff Law  <law@redhat.com>
10284
10285         PR tree-optimization/64058
10286         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
10287         CONFLICT_COUNT.
10288         (struct ssa_conflicts): Move up earlier in the file.
10289         (conflicts_, var_map_): New static variables.
10290         (initialize_conflict_count): New function to initialize the
10291         CONFLICT_COUNT field for each conflict pair.
10292         (compare_pairs): Lazily initialize the conflict count and use it
10293         as the first tie-breaker.
10294         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
10295         and wipe conflicts_ and map_ around the call to qsort.  Remove
10296         special case for 2 coalesce pairs.
10297         * bitmap.c (bitmap_count_unique_bits): New function.
10298         (bitmap_count_bits_in_word): New function, extracted from
10299         bitmap_count_bits.
10300         (bitmap_count_bits): Use bitmap_count_bits_in_word.
10301         * bitmap.h (bitmap_count_unique_bits): Declare it.
10302
10303 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
10304
10305         PR target/69917
10306         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
10307         transparent alias chain for decl assembler name.
10308         * config/sol2.c (solaris_assemble_visibility): Likewise.
10309
10310 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10311
10312         * config/arm/arm1020e.md (1020call_op): Reduce reservation
10313         duration.
10314         (v10_fdivs): Likewise.
10315         (v10_fdivd): Likewise.
10316
10317 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10318
10319         PR driver/70132
10320         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
10321         to not call fclose twice on file.
10322
10323 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
10324
10325         PR tree-optimization/70354
10326         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10327         oprnd0 is wider than oprnd1 and there is a cast from the wider
10328         type to oprnd1, mask it with the mask of the narrower type.
10329
10330         PR target/70321
10331         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
10332         Optimize TARGET_STV splitters, if high or low word of last argument
10333         is 0 or -1.
10334
10335 2016-03-22  Jeff Law  <law@redhat.com>
10336
10337         PR target/70232
10338         tree-ssa-threadbackward.c
10339         (fsm_find_control_statement_thread_paths): Correctly distinguish
10340         between old style jump threads vs FSM jump threads.
10341
10342 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
10343
10344         PR target/70302
10345         * config/i386/i386.c (scalar_chain::convert_op): Support
10346         uninitialized register usage case.
10347
10348 2016-03-22  Richard Biener  <rguenther@suse.de>
10349
10350         PR middle-end/70251
10351         * genmatch.c (gen_transform): Adjust last parameter to a three-state
10352         int...
10353         (capture::gen_transform): ... to change behavior when substituting
10354         a condition into cond or not-cond expr context.
10355         (dt_simplify::gen_1): Adjust.
10356         * gimple-match-head.c: Include gimplify.h for unshare_expr.
10357         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
10358         last change and instead change to
10359         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
10360         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10361
10362 2016-03-22  Anthony Green  <green@moxielogic.com>
10363
10364         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
10365         issue for moxiebox targets.
10366         (CC1PLUS_SPEC): Ditto.
10367
10368 2016-03-22  Richard Biener  <rguenther@suse.de>
10369
10370         PR middle-end/70333
10371         * fold-const.c (extract_muldiv_1): Properly perform multiplication
10372         in the wide type.
10373
10374 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10375
10376         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
10377
10378 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10379
10380         PR target/70325
10381         * config/i386/i386.c (def_builtin): Handle
10382         OPTION_MASK_ISA_AVX512VL to be and-ed with other
10383         bits.
10384         (const struct builtin_description bdesc_special_args[]):
10385         Remove duplicate ISA bits.
10386
10387 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
10388
10389         PR target/70329
10390         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
10391         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
10392         in a way that works also for AVX512BW.
10393
10394         PR target/70300
10395         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
10396         instead of source if operands[1] is xmm16 and above and
10397         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
10398         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
10399
10400         PR c++/70295
10401         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
10402         on assign if (*from_p) is a comparison, set it to
10403         TREE_NO_WARNING (*from_p).
10404
10405 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10406
10407         PR middle-end/70326
10408         * lra.c (restore_scratches): Ignore deleted insns.
10409
10410 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
10411             Jakub Jelinek  <jakub@redhat.com>
10412
10413         PR tree-optimization/70317
10414         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
10415         to HONOR_NANS.
10416
10417 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
10418
10419         PR target/70327
10420         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
10421         of ix86_expand_move.
10422         (movoi): Ditto.
10423         (movti): Use general_operand for operand 1 predicate.
10424
10425 2016-03-21  Martin Liska  <mliska@suse.cz>
10426
10427         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
10428         insns.
10429         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
10430
10431 2016-03-21  Martin Liska  <mliska@suse.cz>
10432
10433         PR ipa/70306
10434         * ipa-icf.c (sem_function::parse): Skip static
10435         constructors and destructors.
10436
10437 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10438
10439         PR target/70296
10440         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
10441         function-like macro, peek following token(s) if it is followed
10442         by CPP_OPEN_PAREN token with optional padding in between, and
10443         if not, don't treat it like a macro.
10444
10445 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
10446             Alexander Monakov  <amonakov@ispras.ru>
10447
10448         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
10449         for the stabs debug format.
10450
10451 2016-03-21  Richard Biener  <rguenther@suse.de>
10452
10453         PR tree-optimization/70310
10454         * tree-vect-generic.c (expand_vector_condition): Fold the built
10455         condition.
10456
10457 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
10458
10459         PR target/70293
10460         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
10461         Block third alternative for AVX-512VL target,
10462
10463 2016-03-21  Martin Liska  <mliska@suse.cz>
10464
10465         PR hsa/70234
10466         * hsa-brig.c (emit_function_directives): Mark unemitted
10467         global variables for emission.
10468         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
10469         (get_symbol_for_decl): Likewise.
10470         * hsa.h (struct hsa_symbol): New flag.
10471
10472 2016-03-21  Richard Biener  <rguenther@suse.de>
10473
10474         PR tree-optimization/70288
10475         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
10476         we do not estimate unsimplified all-constant conditionals or
10477         switches as optimized away.
10478
10479 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
10480
10481         PR rtl-optimization/69102
10482         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
10483         when we have a readonly dependency context.
10484
10485 2016-03-18  Jeff Law  <law@redhat.com>
10486
10487         PR rtl-optimization/70263
10488         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
10489         (update_equiv_regs): When trying to move a store to after the insn
10490         that sets the source of the store, make sure the store occurs after
10491         the insn that sets the source of the store.  When successful note
10492         the REG_EQUIV note created in the dump file.
10493
10494 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
10495             Bernd Schmidt  <bschmidt@redhat.com>
10496
10497         * doc/extend.texi: Document more potential problems with basic asms.
10498
10499 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
10500
10501         PR rtl-optimization/70278
10502         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
10503         VOIDmode.
10504
10505 2016-03-18  Jason Merrill  <jason@redhat.com>
10506
10507         * calls.c (load_register_parameters): Fix zero size sibcall logic.
10508
10509 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10510
10511         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10512         values to 128b regs.
10513
10514 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10515
10516         PR tree-optimization/70252
10517         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
10518         boolean vector has a proper number of elements.
10519         (supportable_narrowing_operation): Likewise.
10520
10521 2016-03-18  Tom de Vries  <tom@codesourcery.com>
10522
10523         PR ipa/70269
10524         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
10525
10526 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
10527
10528         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
10529         instead of replace_rtx for DEBUG_INSNs.
10530
10531 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10532
10533         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
10534         load type reservations.
10535
10536 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
10537
10538         PR target/70188
10539         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
10540         define_constraint for "Q" and "T" constraints.
10541
10542 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
10543
10544         Tweak the pipeline model for Exynos M1
10545
10546         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
10547         model.
10548
10549 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
10550
10551         PR c/70264
10552         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
10553         where one or both locations aren't within a line_map.
10554
10555 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10556
10557         PR driver/70192
10558         * opts.c (finish_options): Don't set flag_pie to the default if
10559         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
10560         if it is -1.
10561
10562 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10563
10564         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
10565         true as ALL_REGS argument to replace_rtx.
10566
10567 2016-03-17  Richard Biener  <rguenther@suse.de>
10568
10569         PR debug/70271
10570         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
10571         last.
10572
10573 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10574
10575         PR target/70245
10576         * rtl.h (replace_rtx): Add ALL_REGS argument.
10577         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
10578         equality and assert mode is the same, instead of just rtx pointer
10579         equality.
10580         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
10581         true as ALL_REGS argument to replace_rtx.
10582
10583 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
10584
10585         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
10586         for boolean vector with vector mode only.
10587         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10588
10589 2016-03-17  Nick Clifton  <nickc@redhat.com>
10590
10591         PR target/70162
10592         * config/rx/rx.c (rx_print_integer): Print negative constants in
10593         decimal.
10594
10595 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10596
10597         PR target/70261
10598         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10599
10600 2016-03-16  Richard Henderson  <rth@redhat.com>
10601             Richard Biener  <rguenth@suse.de>
10602
10603         PR middle-end/70240
10604         PR middle-end/68215
10605         PR tree-opt/68714
10606         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10607         first operand as is_gimple_condexpr.
10608
10609         PR middle-end/70240
10610         PR middle-end/68215
10611         Revert r231575
10612         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10613         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10614         Do not gimplify the result.
10615         (do_unop): Adjust call to tree_vec_extract.
10616         (do_binop): Likewise.
10617         (do_compare): Likewise.
10618         (do_plus_minus): Likewise.
10619         (do_negate): Likewise.
10620         (expand_vector_condition): Likewise.
10621         (do_cond): Likewise.
10622
10623 2016-03-16  Richard Henderson  <rth@redhat.com>
10624
10625         PR target/70048
10626         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10627         (aarch64_classify_address): Use it.
10628         (aarch64_legitimize_address): Force all subexpressions of PLUS
10629         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10630
10631 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10632             Richard Biener  <rguenth@suse.de>
10633
10634         PR target/70245
10635         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10636         return to even if only REGNO is equal, and assert
10637         mode is the same.
10638
10639 2016-03-11  Jeff Law  <law@redhat.com>
10640
10641         PR rtl-optimization/70224
10642         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10643
10644 2016-03-16  Richard Henderson  <rth@redhat.com>
10645
10646         PR middle-end/70199
10647         * function.h (struct function): Add has_forced_label_in_static.
10648         * gimplify.c (force_labels_r): Set it.
10649         * lto-streamer-in.c (input_struct_function_base): Read it.
10650         * lto-streamer-out.c (output_struct_function_base): Write it.
10651         * tree-inline.c (has_label_address_in_static_1): Remove.
10652         (copy_forbidden): Remove fndecl parameter; test
10653         has_forced_label_in_static.
10654         (inline_forbidden_p): Update call to copy_forbidden.
10655         (tree_versionable_function_p): Likewise.
10656         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10657         (chkp_versioning): Likewise.
10658         * tree-inline.h (copy_forbidden): Update decl.
10659
10660 2016-03-16  Marek Polacek  <polacek@redhat.com>
10661
10662         PR c/70093
10663         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10664         function being thunked if the result type doesn't have fixed size.
10665         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10666         doesn't have fixed size.
10667
10668 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10669
10670         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10671         reporting malformed loop nest.
10672
10673 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10674
10675         PR lto/70187
10676         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10677         nodes.length () == 1 test to before first nodes[0] access.
10678
10679 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10680
10681         PR tree-optimization/68715
10682         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10683         single_pred_p test.
10684
10685 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10686
10687         PR tree-optimization/68809
10688         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10689         are the same.
10690
10691 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10692             Sandra Loosemore  <sandra@codesourcery.com>
10693
10694         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10695         on leaf attribute. Mention ELF interposition problems.
10696
10697 2016-03-16  Alan Modra  <amodra@gmail.com>
10698
10699         PR rtl-optimization/69195
10700         PR rtl-optimization/47992
10701         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10702         Add comments.
10703
10704 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10705
10706         PR bootstrap/69513
10707         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10708
10709 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10710
10711         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10712
10713 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10714
10715         PR rtl-optimization/70222
10716         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10717         optimization if mode is different from result_mode, queue up masking
10718         of the result in outer_op.  Formatting fix.
10719
10720         PR middle-end/70239
10721         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10722         of safe_grow.
10723
10724 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10725
10726         PR rtl-optimization/69032
10727         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10728         looping backwards over basic block insns.
10729
10730 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10731
10732         PR target/66660
10733         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10734         to non-speculative when propagating trap bits.
10735
10736 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10737
10738         PR rtl-optimization/63384
10739         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10740         DEBUG_INSN_P insns.
10741
10742 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10743
10744         PR target/64411
10745         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10746         factored out from ...
10747         (sched_analyze_insn): ... here.
10748         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10749         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10750         get_implicit_reg_pending_clobbers in it.
10751         (setup_id_reg_sets): Use setup_id_implicit_regs.
10752         (deps_init_id): Ditto.
10753
10754 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10755
10756         PR ipa/70161
10757         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10758         dump_file_name.
10759         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10760         execute_function_dump.
10761         (execute_one_pass): Don't dump function if it will be dumped after ipa
10762         transform.
10763
10764 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10765
10766         * genrecog.c (match_pattern_2): If pred is NULL don't call
10767         safe_predicate_mode on it.
10768
10769 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10770
10771         PR middle-end/70219
10772         * lra-constraints.c (delete_move_and_clobber): Change assertion
10773         to also allow dregno == 0.
10774
10775 2016-03-14  Richard Henderson  <rth@redhat.com>
10776
10777         PR tree-opt/68714
10778         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10779         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10780         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10781         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10782         on vectors.
10783
10784 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10785
10786         PR target/70083
10787         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10788         regs.
10789         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10790         VOIDmode.
10791         * lra-constraints.c (split_reg): For hard regs, try to find the
10792         biggest single-register mode used in the function.
10793
10794 2016-03-14  Richard Biener  <rguenther@suse.de>
10795
10796         PR tree-optimization/56365
10797         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10798         constants to compare against.
10799
10800 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10801
10802         PR target/70098
10803         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10804         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10805         (define_split for the GPR case): Use int_reg_operand instead of
10806         gpc_reg_operand for the output.
10807
10808 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10809
10810         PR tree-optimization/70045
10811         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10812         create_empty_if_region_on_edge argument.
10813
10814 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10815
10816         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10817         (STACK_CHECK_PROTECT): Likewise.
10818         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10819         (STACK_CHECK_PROTECT): Likewise.
10820         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10821         (STACK_CHECK_PROTECT): Likewise.
10822         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10823         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10824         (STACK_CHECK_PROTECT): Likewise.
10825
10826 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10827
10828         PR rtl-optimization/69307
10829         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10830         registers in modes that span more than one register.
10831
10832 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10833
10834         PR target/69614
10835         * lra-constraints.c (delete_move_and_clobber): New.
10836         (remove_inheritance_pseudos): Use it.
10837
10838 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10839
10840         PR ada/70017
10841         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10842         the libcall is LCT_THROW.
10843         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10844         for the checking routine.
10845
10846 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10847
10848         PR target/70131
10849         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10850         optimization if we have direct move.
10851         (roundu32<mode>2_fprs): Likewise.
10852
10853 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10854
10855         PR target/70123
10856         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10857         be rematerialized.
10858         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10859         Arguments swapped.  All callers changed.  Take reg_renumber into
10860         account, and Calculate and compare register ranges for hard regs.
10861
10862 2016-03-11  Jeff Law  <law@redhat.com>
10863
10864         PR tree-optimization/70190
10865         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10866         Handle cases where we can not extract the taken edge, even though we
10867         found a constant value.
10868
10869         PR tree-optimization/64058
10870         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10871         (num_coalesce_pairs): Move up earlier in file.
10872         (find_coalesce_pair): Initialize the INDEX field for each pair
10873         discovered.
10874         (compare_pairs): No longer sort on the elements in each pair.
10875         Instead break ties with the index of the coalesce pair.
10876
10877 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10878
10879         PR target/70002
10880         * config/aarch64/aarch64-protos.h
10881         (aarch64_save_restore_target_globals): New prototype.
10882         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10883         Call the above when popping pragma.
10884         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10885         New function.
10886         (aarch64_set_current_function): Rewrite using the above.
10887
10888 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10889
10890         PR tree-optimization/70177
10891         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10892         (extract_ops_from_tree): ... this.  In the 2 argument
10893         overload remove _1 suffix.
10894         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10895         (extract_ops_from_tree): ... this.
10896         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10897         Adjust callers.
10898         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10899         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10900         extract_ops_from_tree instead of 2 operand one.
10901
10902 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10903
10904         PR tree-optimization/70013
10905         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10906         for constant-pool entries.
10907
10908 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10909
10910         PR rtl-optimization/70174
10911         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10912         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10913
10914         PR tree-optimization/70169
10915         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10916         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10917         for unknown codes.
10918
10919 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10920             Jakub Jelinek  <jakub@redhat.com>
10921
10922         PR target/70160
10923         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10924         of uninitialized values.
10925
10926 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10927
10928         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10929         define_expand.
10930         ("*trunctddd2"): New pattern definition.
10931         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10932         TD->DD truncation.
10933
10934 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10935
10936         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10937         definitions for BFP and DFP rounding modes.
10938         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10939         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10940         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10941         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10942         numbers.
10943
10944 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10945
10946         * config/s390/constraints.md: Adjust comment.
10947         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10948         s390_decompose_addrstyle_without_index.
10949         * config/s390/predicates.md (shift_count_or_setmem_operand):
10950         Rename to setmem_operand.
10951         * config/s390/s390-protos.h
10952         (s390_decompose_shift_count): Rename to
10953         s390_decompose_addrstyle_without_index.
10954         * config/s390/s390.c (s390_decompose_shift_count)
10955         (s390_mem_constraint, print_shift_count_operand)
10956         (print_operand_address, print_operand): Rename
10957         s390_decompose_shift_count to
10958         s390_decompose_addrstyle_without_index and rename
10959         print_shift_count_operand to print_addrstyle_operand troughout the
10960         file.
10961         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10962         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10963         Rename shift_count_or_setmem_operand to setmem_operand.
10964         * config/s390/vx-builtins.md ("vec_insert<mode>")
10965         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10966         nonmemory_operand.
10967
10968 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10969
10970         PR target/70168
10971         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10972         Handle overlapping retval and newval.
10973
10974 2016-03-10  Nick Clifton  <nickc@redhat.com>
10975
10976         PR target/7044
10977         * config/aarch64/aarch64.c
10978         (aarch64_override_options_after_change_1): When forcing
10979         flag_omit_frame_pointer to be true, use a special value that can
10980         be detected if this function is called again, thus preventing
10981         flag_omit_leaf_frame_pointer from being forced to be false.
10982
10983 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10984
10985         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10986         Set x_flag_omit_leaf_frame_pointer when handling
10987         -momit-leaf-frame-pointer.
10988
10989 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10990
10991         PR lto/69589
10992         * cgraph.c (cgraph_node::dump): Dump split_part and
10993         indirect_call_target.
10994         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10995         * ipa.c (has_addr_references_p): Cleanup.
10996         (is_indirect_call_target_p): New.
10997         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10998         called indirectly as local.
10999         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
11000
11001 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
11002
11003         PR ipa/69630
11004         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11005         on cxa_pure_virtual.
11006
11007 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
11008
11009         PR lto/69589
11010         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
11011
11012 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
11013
11014         PR lto/69589
11015         * tree.c (need_assembler_name_p): Only record main variant type names.
11016
11017 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
11018
11019         PR target/70113.
11020         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
11021         Always define to 0 or 1.
11022         (TARGET_FIX_ERR_A53_843419): New macro.
11023         * config/aarch64/aarch64-elf-raw.h
11024         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
11025         * config/aarch64/aarch64-linux.h: Likewise.
11026         * config/aarch64/aarch64.c
11027         (aarch64_override_options_after_change_1): Do not default
11028         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
11029         843419 is on.
11030         (aarch64_attributes): Handle fix-cortex-a53-843419.
11031         (aarch64_can_inline_p): Likewise.
11032         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
11033
11034 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
11035         Jakub Jelinek <jakub@redhat.com>
11036
11037         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
11038         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
11039         DECL_COMMONS if flag_unconstrained_commons is set.
11040         * tree-dfa.c (get_ref_base_and_extent): Likewise.
11041         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
11042         (funconstrained-commons): Document.
11043
11044 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
11045
11046         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
11047         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
11048
11049 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
11050
11051         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
11052         has a proper number of elements.
11053
11054 2016-03-10  Alan Modra  <amodra@gmail.com>
11055
11056         PR rtl-optimization/69195
11057         PR rtl-optimization/47992
11058         * ira.c (recorded_label_ref): Delete.
11059         (update_equiv_regs): Return void.
11060         (indirect_jump_optimize): New function.
11061         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
11062         before regstat_compute_ri.  Don't rebuild_jump_labels here.
11063         Delete update_regstat.
11064
11065 2016-03-10  Richard Biener  <rguenther@suse.de>
11066
11067         PR tree-optimization/70128
11068         * tree-ssa-structalias.c (set_uids_in_ptset): Set
11069         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
11070
11071 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
11072
11073         PR tree-optimization/70152
11074         * tree-sra.c (replace_removed_params_ssa_names): Copy over
11075         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
11076
11077         PR target/70086
11078         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
11079         instead of gen_sse2_loadlpd.
11080         * config/i386/sse.md (*vec_concatv2df): Rename to...
11081         (vec_concatv2df): ... this.
11082
11083         PR tree-optimization/70127
11084         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
11085
11086 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
11087
11088         PR c/68473
11089         PR c++/70105
11090         * diagnostic-show-locus.c (compatible_locations_p): New function.
11091         (layout::layout): Sanitize ranges using compatible_locations_p.
11092
11093 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
11094
11095         PR c/68473
11096         PR c++/70105
11097         * diagnostic-show-locus.c (layout_range::layout_range): Replace
11098         location_range param with three const expanded_locations * and a
11099         bool.
11100         (layout::layout): Replace call to
11101         rich_location::lazily_expand_location with get_expanded_location.
11102         Extract the range and perform location expansion here, passing
11103         the results to the layout_range ctor.
11104         * diagnostic.c (source_range::debug): Delete.
11105         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
11106         of rich_location::get_expanded_location.
11107         * gcc-rich-location.c (get_range_for_expr): Delete.
11108         (gcc_rich_location::add_expr): Reimplement to avoid the
11109         rich_location::add_range overload that took a location_range,
11110         passing a location_t instead.
11111
11112 2016-03-09  Richard Biener  <rguenther@suse.de>
11113         Jakub Jelinek  <jakub@redhat.com>
11114
11115         PR tree-optimization/70138
11116         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
11117         Also skip vect_double_reduction_def.
11118
11119 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
11120
11121         PR target/70049
11122         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
11123         if the operand is "m".
11124
11125 2016-03-09  Nathan Sidwell  <nathan@acm.org>
11126
11127         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
11128
11129 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
11130
11131         * config/i386/i386.c (processor_target_table): Fix cost table
11132         intialization order for znver1.
11133
11134 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
11135
11136         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
11137         - becuase -> because.
11138         * ipa-reference.c (ignore_module_statics): Likewise.
11139         * cgraph.c (cgraph_node::get_body): Likewise.
11140         * ipa-inline.c (early_inliner): Likewise.
11141         * ipa-devirt.c (types_same_for_odr): Likewise.
11142         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
11143         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
11144
11145 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11146
11147         * tree-ssa-math-opts.c: Fix typo in comment.
11148
11149 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
11150
11151         PR target/70110
11152         * config/i386/i386.c (scalar_chain::make_vector_copies,
11153         scalar_chain::convert_reg): Call end_sequence in between
11154         get_insns and emit_conversion_insns rather than after both
11155         calls.
11156
11157 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
11158
11159         PR target/70064
11160         * config/i386/i386.h (machine_function): Add
11161         pc_thunk_call_expanded flag.
11162         (ix86_pc_thunk_call_expanded): New define.
11163         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
11164         (*set_got): Rename insn pattern from set_got.
11165         (*set_got_labelled): Rename inst pattern from set_got_labelled.
11166         * config/i386/i386.c (ix86_compute_frame_layout): Use
11167         ix86_pc_thunk_call_expanded to prevent red-zone.
11168
11169 2016-03-07  Martin Jambor  <mjambor@suse.cz>
11170
11171         * hsa.h (hsa_get_ctor_statements): Declare.
11172         (hsa_get_dtor_statements): Likewise.
11173         (hsa_get_kernel_dispatch_type): Likewise.
11174         * hsa.c (hsa_get_ctor_statements): New function.
11175         (hsa_get_dtor_statements): Likewise.
11176         (hsa_get_kernel_dispatch_type): Likewise.
11177         * hsa-brig.c (hsa_cdtor_statements): Removed.
11178         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
11179         hsa_get_dtor_statements.
11180         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
11181         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
11182
11183 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11184
11185         * config/arm/arm-cores.def (cortex-r8): New.
11186         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
11187         * config/arm/arm-tune.md: Likewise.
11188         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
11189
11190 2016-03-07  Martin Sebor  <msebor@redhat.com>
11191
11192         PR rtl-optimization/19705
11193         * doc/invoke.texi (Options That Control Optimization): Clarify
11194         -fno-branch-count-reg.
11195
11196 2016-02-26  Richard Biener  <rguenther@suse.de>
11197             Jeff Law  <law@redhat.com>
11198
11199         PR tree-optimization/69740
11200         * cfghooks.c (remove_edge): Request loop fixups if we delete
11201         an edge that might turn an irreducible loop into a natural
11202         loop.
11203         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
11204         Move after definition of loops_state_clear.
11205
11206 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
11207
11208         PR rtl-optimization/69052
11209         * rtlanal.c (commutative_operand_precedence): Set higher precedence
11210         to CONST_WIDE_INT.
11211
11212 2016-03-07  Tom de Vries  <tom@codesourcery.com>
11213
11214         PR tree-optimization/70116
11215         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
11216         is_tm_ending stmts and ubsan/asan internal functions.
11217         (find_duplicate): Use it.  Don't test is_tm_ending here.
11218
11219 2016-03-07  Richard Biener  <rguenther@suse.de>
11220
11221         PR tree-optimization/70115
11222         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
11223         (propagate_constants_for_unrolling): Use replace_uses_by.
11224
11225 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
11226
11227         PR middle-end/69916
11228         * omp-low.c (struct oacc_loop): Add ifns.
11229         (new_oacc_loop_raw): Initialize it.
11230         (finish_oacc_loop): Clear mask & flags if no ifns.
11231         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
11232         (oacc_loop_xform_loop): Add ifns arg & adjust.
11233         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
11234
11235 2016-03-07  Richard Henderson  <rth@redhat.com>
11236
11237         PR rtl-opt/70061
11238         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
11239         (insert_value_copy_on_edge): Likewise.
11240
11241 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11242
11243         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
11244
11245 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11246
11247         PR target/62281
11248         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
11249
11250 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11251
11252         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
11253
11254 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11255
11256         Fix sseimul type attribute.
11257         * config/i386/znver1.md
11258         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
11259         znver1_sseimul_avx256_load) : Fix the type attribute.
11260         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
11261         pipe usage and latency.
11262
11263 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
11264
11265         PR c++/70084
11266         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
11267         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
11268         to the right type.
11269
11270 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11271
11272         PR c/69973
11273         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
11274
11275         PR rtl-optimization/69941
11276         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
11277         the reg share its mode.
11278
11279 2016-03-04  Jeff Law  <law@redhat.com>
11280
11281         PR tree-optimization/69196
11282         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11283         If the both SSA_NAMEs are anonymous, then consider them unassociated
11284         and include the PHI in the statement count.
11285
11286 2016-03-05  Tom de Vries  <tom@codesourcery.com>
11287
11288         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
11289         construct in oacc routine.  Check for oacc region in oacc routine.
11290
11291 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11292
11293         PR target/70062
11294         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
11295         2016-02-22 changes, instead don't recurse if RECUR is already true.
11296         Don't change *dynamic_check if RECUR.  Adjust recursive caller
11297         to pass true to the new argument.
11298         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
11299
11300         PR target/70059
11301         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
11302         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
11303         fixes.
11304         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
11305
11306 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11307
11308         PR rtl-optimization/57676
11309         * lra-assigns.c (lra_assign): Guard test for maximum iterations
11310         with flag_checking.
11311
11312 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
11313
11314         * tree-vect-patterns.c (search_type_for_mask): Handle
11315         comparison of booleans.
11316
11317 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11318
11319         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
11320         Fix @xref usage.
11321
11322         PR debug/69947
11323         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
11324         all other ops that have dw_val_class_die_ref operands,
11325         and DW_OP_GNU_entry_value.
11326
11327 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11328
11329         PR rtl-optimization/69904
11330         * config/arm/arm.c (arm_cannot_copy_insn_p):
11331         Return true for load-exclusive instructions.
11332
11333 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
11334
11335         PR target/70021
11336         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
11337         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
11338         the pattern no matter if it is used just by non-pattern, pattern
11339         or mix thereof.
11340         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
11341         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
11342         oprnd1 def_stmt is in pattern, don't look through it.
11343
11344 2016-03-03  Marek Polacek  <polacek@redhat.com>
11345
11346         PR middle-end/70050
11347         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
11348
11349 2016-03-03  Martin Liska  <mliska@suse.cz>
11350
11351         PR tree-optimization/70043
11352         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
11353         previous statement if we see a debug statement.
11354
11355 2016-03-03  Richard Biener  <rguenther@suse.de>
11356
11357         PR tree-optimization/55936
11358         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
11359         parameter and guard unsafe equivalence use.
11360         (vrp_evaluate_conditional_warnv_with_ops): Always use
11361         safe equivalences but not via the quadratic compare_names
11362         helper.
11363
11364 2016-03-03  Michael Collison  <michael.collison@linaro.org>
11365
11366         PR target/70014
11367         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
11368         for operand 1 to s_register_operand. Change predicate for operand
11369         2 to arm_not_immediate_operand.
11370
11371 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
11372
11373         * doc/tm.texi: Regenerated.
11374
11375 2016-03-02  Richard Henderson  <rth@redhat.com>
11376
11377         PR rtl-opt/67145
11378         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
11379         simplification when all args are positive non-fixed registers.
11380
11381 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11382
11383         * target.def (lra_p): Specify that new ports should use LRA.
11384
11385 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11386
11387         PR libgomp/69555
11388         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
11389         gimplify_type_sizes the type they refer to.
11390         (omp_notice_variable): Handle reference vars to VLAs.
11391         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
11392         reference to VLA decls in the second pass instead of first pass.
11393
11394 2016-03-02  Tom de Vries  <tom@codesourcery.com>
11395
11396         PR tree-optimization/68659
11397         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
11398         new_expr == NULL_TREE.
11399         (get_new_name): Handle ADDR_EXPR.
11400
11401 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
11402
11403         PR rtl-optimization/69052
11404         * loop-invariant.c (canonicalize_address): New function.
11405         (inv_can_prop_to_addr_use): Check validity of address expression
11406         which is canonicalized by above function.
11407
11408 2016-03-02  Alan Modra  <amodra@gmail.com>
11409
11410         PR ipa/69990
11411         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
11412         larger alignment.
11413
11414 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11415
11416         PR target/70028
11417         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
11418         (*movhi_internal): Put mask moves from and to memory separately
11419         from moves from/to GPRs.
11420
11421 2016-03-02  Richard Biener  <rguenther@suse.de>
11422
11423         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
11424         GENERIC expressions in GIMPLE.
11425
11426 2016-03-02  Richard Biener  <rguenther@suse.de>
11427
11428         * config/i386/i386.c (type_natural_mode): Fix typo.
11429
11430 2016-03-02  Nick Clifton  <nickc@redhat.com>
11431
11432         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
11433
11434 2016-03-02  Richard Biener  <rguenther@suse.de>
11435             Uros Bizjak  <ubizjak@gmail.com>
11436
11437         PR target/67278
11438         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
11439
11440 2016-03-02  Richard Biener  <rguenther@suse.de>
11441
11442         PR middle-end/67278
11443         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
11444
11445 2016-03-02  Marek Polacek  <polacek@redhat.com>
11446
11447         PR c/67854
11448         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
11449         "is promoted to" warning.
11450
11451 2016-03-01  DJ Delorie  <dj@redhat.com>
11452
11453         * config.gcc: Deprecate mep-*.
11454
11455 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
11456
11457         PR middle-end/70025
11458         * lra-constraints.c (regno_val_use_in): New.
11459         (match_reload): Use it instead of regno_use_in.
11460
11461 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11462
11463         PR rtl-optimization/70007
11464         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
11465         references present in REG_EQUAL notes attached to non-SET patterns.
11466
11467 2016-03-01  Jeff Law  <law@redhat.com>
11468
11469         PR tree-optimization/69196
11470         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11471         Appropriately clamp the number of statements to copy when the
11472         thread path does not traverse a loop backedge.
11473
11474         PR tree-optimization/69196
11475         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11476         Do count some PHIs in the thread path against the insn count.  Decrease
11477         final statement count by one as the control statement in the last
11478         block will get removed.  Remove special cased code for handling PHIs
11479         in the last block.
11480
11481 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
11482
11483         PR target/70027
11484         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
11485         asm dialect alternatives to explicit GOTPCREL calls.
11486
11487 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11488
11489         PR ada/70017
11490         * ira.c (do_reload): Issue warning for generic stack checking here...
11491         * reload1.c (reload): ...instead of here and streamline it.
11492
11493 2016-03-01  Nick Clifton  <nickc@redhat.com>
11494
11495         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
11496
11497 2016-03-01  Richard Biener  <rguenther@suse.de>
11498
11499         PR tree-optimization/69983
11500         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
11501         types and fall back to operand_equal_p.
11502
11503 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11504
11505         Revert
11506         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11507
11508         * config/s390/constraints.md ("jm8"): New constraint.
11509         * config/s390/predicates.md ("const_int_8bitset_operand"): New
11510         predicate.
11511         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11512         into ...
11513         ("*setmem_long<setmem_and>"): New pattern.
11514         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
11515         into ...
11516         ("*setmem_long_31z<setmem_and>"): New pattern.
11517         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
11518         New substitution rules with the required attributes.
11519
11520
11521 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11522
11523         Revert
11524         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11525
11526         * gensupport.c (process_substs_on_one_elem): Split loop to
11527         complete mark_operands_used_in_match_dup on all expressions in the
11528         vector first.
11529         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11530         and remove function.
11531
11532 2016-03-01  Richard Biener  <rguenther@suse.de>
11533
11534         PR middle-end/70022
11535         * fold-const.c (fold_indirect_ref_1): Fix range checking for
11536         vector BIT_FIELD_REF extract.
11537
11538 2016-03-01  Richard Biener  <rguenther@suse.de>
11539
11540         PR tree-optimization/69994
11541         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
11542
11543 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
11544
11545         PR tree-optimization/69956
11546         * tree-vect-stmts.c (supportable_widening_operation): Support
11547         multi-step conversion of boolean vectors.
11548         (supportable_narrowing_operation): Likewise.
11549
11550 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11551
11552         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
11553         anymore.
11554
11555 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11556
11557         * config/s390/subst.md (DSI_VI): New mode iterator.
11558         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
11559         * config/s390/vector.md ("vec_set<mode>"): Move expander before
11560         the insn definition.
11561         ("*vec_set<mode>"): Change predicate and add alternative to
11562         support only either register or const_int operands as element
11563         selector.
11564         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
11565         operands.
11566         ("vec_extract<mode>"): New expander.
11567         ("*vec_extract<mode>"): New insn definition supporting reg and
11568         const_int element selectors.
11569         ("*vec_extract<mode>_plus"): New insn definition supporting
11570         reg+const_int element selectors.
11571         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
11572         following expander+insn definition.
11573         ("<vec_shifts_name><mode>3"): New expander.
11574         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
11575
11576 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11577
11578         * config/s390/s390.md ("*tabort_1"): Change predicate to
11579         nonmemory_operand.  Add a second alternative to cover
11580         register as well as const int operands.
11581         ("*tabort_1_plus"): New pattern definition.
11582
11583 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11584
11585         * config/s390/s390.md ("*ashrdi3_cc_31")
11586         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
11587         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
11588         Merge insn definitions into ...
11589         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11590         New pattern definition.
11591         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
11592         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
11593         ("*ashr<mode>3_and"): Merge insn definitions into ...
11594         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11595         New pattern definition.
11596         * config/s390/subst.md ("addr_style_op_cc_subst")
11597         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11598         substitutions patterns plus attributes.
11599         Add ashiftrt to SUBST iterator.
11600
11601 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11602
11603         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11604         op2 to nonmemory_operand.
11605         ("*<shift>di3_31", "*<shift>di3_31_and"):
11606         Merge into single pattern definition ...
11607         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11608         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11609         pattern definition ...
11610         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11611         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11612         iterator.
11613
11614 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11615
11616         * config/s390/predicates.md (const_int_6bitset_operand): New
11617         predicate.
11618         * config/s390/s390.md: Include subst.md.
11619         ("rotl<mode>3"): New expander.
11620         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11621         ...
11622         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11623         * config/s390/subst.md: New file.
11624
11625 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11626
11627         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11628         Remove RRR type.  It doesn't really exist.
11629         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11630         attributes.
11631         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11632         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11633         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11634         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11635         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11636         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11637         `enabled' attribute.
11638
11639 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11640
11641         * gensupport.c (process_substs_on_one_elem): Split loop to
11642         complete mark_operands_used_in_match_dup on all expressions in the
11643         vector first.
11644         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11645         and remove function.
11646
11647 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11648
11649         PR target/69706
11650         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11651         (CEIL_NWORDS): ...this.  Use CEIL macro.
11652         (compute_fp_layout): Adjust to above renaming.
11653         (function_arg_union_value): Likewise.
11654         (sparc_arg_partial_bytes): Likewise.
11655         (sparc_function_arg_advance): Likewise.
11656
11657 2016-02-29  Jeff Law  <law@redhat.com>
11658
11659         PR tree-optimization/70005
11660         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11661         where an object with a boolean range is compared against a value
11662         outside [0..1].
11663
11664         PR tree-optimization/69999
11665         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11666         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11667         loop cleanups.
11668
11669 2016-02-29  Richard Biener  <rguenther@suse.de>
11670
11671         PR tree-optimization/69994
11672         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11673         (get_unary_op): Look through nop conversions.
11674         (ops_equal_values_p): New function, look for equality diregarding
11675         nop conversions.
11676         (eliminate_plus_minus_pair): Use ops_equal_values_p
11677         (repropagate_negates): Do not use get_unary_op here.
11678
11679 2016-02-29  Martin Liska  <mliska@suse.cz>
11680
11681         * system.h: Poison ENABLE_CHECKING macro.
11682
11683 2016-02-29  Martin Liska  <mliska@suse.cz>
11684
11685         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11686         is presented in dump flags.
11687         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11688         (hsa_regalloc): Likewise.
11689
11690 2016-02-19  Richard Biener  <rguenther@suse.de>
11691
11692         PR tree-optimization/69980
11693         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11694         permutation of those we need to keep.
11695
11696 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11697
11698         PR target/69706
11699         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11700         (NWORDS_UP): ...this
11701         (init_cumulative_args): Minor tweaks.
11702         (sparc_promote_function_mode): Likewise.
11703         (scan_record_type): Delete.
11704         (traverse_record_type): New function template.
11705         (classify_data_t): New structure type.
11706         (classify_registers): New inline function.
11707         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11708         exhausted.  Instantiate traverse_record_type on classify_registers and
11709         deal with the case of a structure passed in slot #15 with no FP field
11710         in the first word.
11711         (assign_data_t): New structure type.
11712         (compute_int_layout): New static function.
11713         (compute_fp_layout): Likewise.
11714         (count_registers): New inline function.
11715         (assign_int_registers): New static function.
11716         (assign_fp_registers): Likewise.
11717         (assign_registers): New inline function.
11718         (function_arg_record_value_1): Delete.
11719         (function_arg_record_value_2): Likewise.
11720         (function_arg_record_value_3): Likewise.
11721         (function_arg_record_value): Adjust to above changes.  Instantiate
11722         traverse_record_type on count_registers to first count the number of
11723         registers to be used and then on assign_registers to assign them.
11724         (function_arg_union_value): Adjust to above renaming.
11725         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11726         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11727         case of a structure passed in slot #15
11728         (sparc_function_arg_advance): Likewise.
11729         (function_arg_padding): Minor tweak.
11730
11731 2016-02-29  Richard Biener  <rguenther@suse.de>
11732
11733         PR tree-optimization/69720
11734         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11735         the adjustment_def path for possibly vectorized defs.
11736         (vect_create_epilog_for_reduction): Handle vectorized initial
11737         defs properly.
11738
11739 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11740
11741         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11742
11743 2016-02-27  Jeff Law  <law@redhat.com>
11744
11745         Revert
11746         2016-02-26  Richard Biener  <rguenther@suse.de>
11747                     Jeff Law  <law@redhat.com>
11748
11749         PR tree-optimization/69740
11750         * cfghooks.c (remove_edge): Request loop fixups if we delete
11751         an edge that might turn an irreducible loop into a natural
11752         loop.
11753
11754 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11755
11756         PR rtl-optimization/69896
11757         * tree-vect-generic.c (get_compute_type): Avoid single element
11758         vector types.
11759
11760 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11761
11762         Rename the AArch64 tuning option and related functions to enable the
11763         Newton series for the reciprocal square root to reflect its
11764         approximative characteristic.
11765
11766         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11767         function to "aarch64_emit_approx_rsqrt".
11768         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11769         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11770         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11771         (xgene1_tunings): Likewise.
11772         (use_rsqrt_p): Likewise.
11773         (aarch64_emit_swrsqrt): Use new function name.
11774         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11775         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11776         text explaining this option.
11777         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11778
11779 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11780
11781         PR target/69969
11782         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11783         complain about -mallow-movmisalign without -mvsx if
11784         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11785
11786 2016-02-26  Joel Sherrill  <joel@rtems.org>
11787
11788         * config.gcc: Add x86_64-*-rtems*.
11789         * config/i386/rtems-64.h: New file.
11790
11791 2016-02-26  Joel Sherrill  <joel@rtems.org>
11792
11793         * config.gcc: Add aarch64-*-rtems*.
11794         * config/aarch64/rtems.h: New file.
11795
11796 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11797
11798         PR target/69946
11799         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11800         shift amount using %h.  Add comment.
11801
11802 2016-02-26  Richard Biener  <rguenther@suse.de>
11803             Jeff Law  <law@redhat.com>
11804
11805         PR tree-optimization/69740
11806         * cfghooks.c (remove_edge): Request loop fixups if we delete
11807         an edge that might turn an irreducible loop into a natural
11808         loop.
11809
11810 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11811
11812         PR middle-end/69920
11813         * tree-sra.c (sra_modify_assign): Do not remove loads of
11814         uninitialized aggregates to SSA_NAMEs.
11815
11816 2016-02-26  Richard Henderson  <rth@redhat.com>
11817
11818         PR target/69709
11819         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11820         pseudo in case the target rtx matches the source of the left
11821         shift.
11822
11823 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11824
11825         PR hsa/69568
11826         * hsa.h (hsa_type_packed_p): Declare.
11827         * hsa.c (hsa_type_packed_p): New function.
11828         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11829         loads.
11830         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11831         * hsa-brig.c (emit_basic_insn): Likewise.
11832
11833 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11834
11835         pr hsa/69674
11836         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11837         pointers.
11838         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11839
11840 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11841
11842         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11843         hsa_op_with_type operands.
11844         (hsa_unsigned_type_for_type): Declare.
11845         * hsa.c (hsa_unsigned_type_for_type): New function.
11846         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11847         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11848         the finalizer.  Do not emit extra move.
11849
11850 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11851
11852         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11853         atomic operations in private segment.
11854
11855 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11856
11857         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11858         statements to wi->info.  Also disallow omp simd constructs.
11859         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11860         for not gridifying.  Dump special string for omp_for.
11861
11862 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11863
11864         PR target/69245
11865         * config/aarch64/aarch64.c (aarch64_set_current_function):
11866         Save/restore target globals when switching to
11867         target_option_default_node.
11868
11869 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11870
11871         PR target/69613
11872         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11873         Return 0 if !SHIFT_COUNT_TRUNCATED.
11874
11875 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11876             Eric Botcazou  <ebotcazou@adacore.com>
11877
11878         PR rtl-optimization/69891
11879         * dse.c (scan_insn): If we can't figure out memset arguments
11880         or they are non-constant, call clear_rhs_from_active_local_stores.
11881
11882 2016-02-26  Martin Liska  <mliska@suse.cz>
11883
11884         * doc/extend.texi: Mention clog10, clog10f an clog10l
11885         in Builtins section.
11886
11887 2016-02-26  Martin Liska  <mliska@suse.cz>
11888
11889         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11890         CHECKING_P.
11891         (resolve_args_picking_1): Likewise.
11892         * dwarf2out.h (struct GTY): Likewise.
11893
11894 2016-02-26  Martin Liska  <mliska@suse.cz>
11895
11896         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11897         with flag_checking.
11898         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11899
11900 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11901             Martin Liska  <mliska@suse.cz>
11902
11903         * doc/install.texi: Mention --enable-valgrind-annotations.
11904
11905 2016-02-26  Richard Biener  <rguenther@suse.de>
11906
11907         PR tree-optimization/69551
11908         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11909         looking through aliases adjust DECL_PT_UID to refer to the
11910         ultimate alias target.
11911
11912 2016-02-25  Martin Liska  <mliska@suse.cz>
11913
11914         PR middle-end/69919
11915         * alloc-pool.c (after_memory_report): New variable.
11916         * alloc-pool.h (base_pool_allocator ::release): Do not use
11917         the infrastructure if after_memory_report.
11918         * toplev.c (toplev::main): Mark after memory report.
11919
11920 2016-02-25  Richard Biener  <rguenther@suse.de>
11921
11922         PR tree-optimization/48795
11923         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11924
11925 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11926
11927         PR driver/68463
11928         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11929         offloading is enabled and -fopenacc or -fopenmp is specified.
11930         (CRTOFFLOADEND): Likewise.
11931         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11932         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11933         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11934         (offload_objects_file_name): New static var.
11935         (tool_cleanup): Remove offload_objects_file_name file.
11936         (find_offloadbeginend): Replace with ...
11937         (find_crtoffloadtable): ... this.
11938         (run_gcc): Remove offload_argc and offload_argv.
11939         Get offload_objects_file_name from -foffload-objects=... option.
11940         Read names of object files with offload from this file, pass them to
11941         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11942         don't pass offloadbegin and offloadend to the linker.  Don't pass
11943         offload non-LTO files to the linker, because now they're not claimed.
11944
11945 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11946
11947         PR ipa/69630
11948         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11949         on builtin_unreachable.
11950
11951 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11952
11953         PR rtl-optimization/69896
11954         * regcprop.c: Include cfgrtl.h.
11955         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11956         than remembered mode, either delete it (if noop_move_p), or
11957         treat like copy_p but not noop_p instruction.
11958
11959 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11960
11961         PR debug/69705
11962         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11963         - allow NULL decl for Fortran DW_TAG_common_block variables.
11964
11965 2016-02-24  Jason Merrill  <jason@redhat.com>
11966
11967         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11968
11969 2016-02-24  Richard Biener  <rguenther@suse.de>
11970             Jakub Jelinek  <jakub@redhat.com>
11971
11972         PR middle-end/69760
11973         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11974         conditionally executed ops to well-defined overflow behavior.
11975
11976 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11977
11978         PR middle-end/69915
11979         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11980         elements.
11981
11982 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11983
11984         PR rtl-optimization/69886
11985         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11986         argument.  Use it when checking validity of set instructions.
11987         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11988         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11989         callsite.
11990         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11991         * store-motion.c (find_moveable_store): Update
11992         can_assign_to_reg_without_clobbers_p callsite.
11993
11994 2016-02-24  Richard Biener  <rguenther@suse.de>
11995
11996         PR middle-end/68963
11997         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11998         bogus check.
11999         (record_nonwrapping_iv): Do not fall back to the low/high bound
12000         for non-constant IV bases if the stmt is not always executed.
12001
12002 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12003
12004         * config/arm/arm-cores.def (cortex-a32): New entry.
12005         * config/arm/arm-tables.opt: Regenerate.
12006         * config/arm/arm-tune.md: Regenerate.
12007         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
12008         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
12009         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
12010         for -mcpu and -mtune.
12011
12012 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12013
12014         PR target/69875
12015         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
12016         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
12017         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
12018         (atomic_loaddi_1): Delete.
12019         (atomic_loaddi): Rewrite expander using the above changes.
12020
12021 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
12022
12023         PR c/69918
12024         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
12025         2 to 3.
12026
12027 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
12028             Richard Biener  <rguenth@suse.de>
12029
12030         PR middle-end/69909
12031         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
12032         set_mem_attributes if tem is SSA_NAME which got expanded
12033         as a MEM.
12034
12035 2016-02-24  Richard Biener  <rguenther@suse.de>
12036
12037         PR tree-optimization/69907
12038         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
12039         end of permutations for BB vectorization.
12040
12041 2016-02-24  Christian Bruel  <christian.bruel@st.com>
12042
12043         * config/arm/arm-c.c (arm_option_override): Initialize
12044         target_option_current_node.
12045         * config/arm/arm.c (arm_pragma_target_parse): Replace
12046         build_target_option_node call by target_option_current_node.
12047         Set target_option_current_node.
12048         Fix comments.
12049
12050 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
12051
12052         PR target/69810
12053         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
12054         define_insn_and_split to define_insn.
12055         (zero_extendqi<mode>2_dot2): Same.
12056         (extendqi<mode>2_dot): Same.
12057         (extendqi<mode>2_dot2): Same.
12058
12059 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
12060
12061         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
12062         and add bypass for AES{D,E} and AESMC pairs.
12063         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
12064         and AESMC pairs.
12065
12066 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
12067
12068         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
12069         series for reciprocal square root in Exynos M1.
12070
12071 2016-02-23  Martin Sebor  <msebor@redhat.com>
12072
12073         PR c/69759
12074         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
12075         __builtin_alloca_with_align.
12076
12077 2016-02-23  Richard Henderson  <rth@redhat.com>
12078
12079         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
12080         (ix86_register_pragmas): Remove __seg_tls.
12081         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
12082         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
12083         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
12084         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
12085         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
12086         * doc/extend.texi (__seg_tls): Remove item.
12087
12088 2016-02-23  Richard Biener  <rguenther@suse.de>
12089
12090         * alloc-pool.h (struct allocation_object): Make id member
12091         conditional on CHECKING_P again.
12092         (get_instance): Adjust.
12093         (base_pool_allocator): Likewise.
12094
12095 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
12096
12097         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
12098         (parallelize_loops): In OpenACC kernels mode, set n_threads to
12099         zero.
12100         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
12101         flag_openacc.
12102         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
12103
12104 2016-02-23  Richard Biener  <rguenther@suse.de>
12105
12106         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
12107         * bitmap.h (struct bitmap_usage): Likewise.
12108         (bitmap_move): Declare.
12109         * bitmap.c (register_overhead): Take size_t argument.
12110         (bitmap_move): New function.
12111         * df-problems.c (df_rd_transfer_function): Use bitmap_move
12112         to properly account overhead.
12113         * tree.c (free_node): Use tree_size.
12114
12115 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
12116
12117         PR c++/69902
12118         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
12119         when inverting comparison.
12120
12121         PR c/69900
12122         * common.opt (Wunreachable-code): Add Warning flag.
12123
12124 2016-02-23  Mark Wielaard  <mjw@redhat.com>
12125             Jakub Jelinek  <jakub@redhat.com>
12126
12127         PR c/69911
12128         * cgraphunit.c (check_global_declaration): Check main_input_filename
12129         and DECL_SOURCE_FILE are not NULL.
12130
12131 2016-02-23  Martin Jambor  <mjambor@suse.cz>
12132
12133         PR tree-optimization/69666
12134         * tree-sra.c (sra_modify_assign): Do not attempt to create
12135         default_def replacements for unscalarizable regions.
12136
12137 2016-02-20  Mark Wielaard  <mjw@redhat.com>
12138
12139         PR c/28901
12140         * cgraphunit.c (check_global_declaration): Check level of
12141         warn_unused_const_variable and main_input_filename.
12142         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
12143         (-Wunused-variable): For C implies -Wunused-const-variable=1.
12144         (-Wunused-const-variable): Explain levels 1 and 2.
12145
12146 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12147
12148         PR target/69888
12149         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
12150         identical arguments.  Formatting and spelling fixes.
12151
12152         PR target/69885
12153         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
12154         be specified.
12155
12156         PR target/69894
12157         PR target/69895
12158         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
12159         and m68k-devices.def.
12160         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
12161         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
12162
12163 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
12164
12165         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
12166         and HImode registers.
12167
12168 2016-02-22  Richard Biener  <rguenther@suse.de>
12169
12170         PR tree-optimization/69882
12171         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
12172         preserve permutations present because of gaps.
12173         (vect_supported_load_permutation_p): Always continue checking
12174         permutations after vect_attempt_slp_rearrange_stmts.
12175
12176 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
12177
12178         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
12179         min_profitable_estimate, rather than min_profitable_iters.
12180
12181 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12182
12183         PR target/69885
12184         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
12185         SImode for last match_operand.
12186
12187 2016-02-22  Martin Liska  <mliska@suse.cz>
12188
12189         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
12190         return bitsize - 1 as the return value.
12191
12192 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
12193
12194         PR target/69806
12195         PR target/54089
12196         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
12197         Handle negative shift counts.
12198         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
12199         force_reg on the shift constant.
12200         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
12201         (lshrsi3_d): Handle negative shift counts.
12202
12203 2016-02-22  Richard Biener  <rguenther@suse.de>
12204             Tom de Vries  <tom@codesourcery.com>
12205
12206         * graph.c: Include dumpfile.h.
12207         (print_graph_cfg): Split into three overloads.
12208         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
12209
12210 2016-02-22  Tom de Vries  <tom@codesourcery.com>
12211
12212         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
12213         dump-fn.
12214
12215 2016-02-22  Richard Biener  <rguenther@suse.de>
12216
12217         PR ipa/37448
12218         * ipa-inline-transform.c (inline_call): When not updating
12219         overall summaries adjust self size by the growth estimate.
12220         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
12221         hash-set, do not update overall summaries here.  Renamed from ...
12222         (inline_to_all_callers): ... this which is now wrapping the
12223         above and performing delayed overall summary update.
12224         (early_inline_small_functions): Delay updating of the overall
12225         summary.
12226
12227 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
12228
12229         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
12230         variable.
12231
12232 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12233
12234         PR driver/69805
12235         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
12236         :%* in %:gt() argument.
12237         (greater_than_spec_func): Adjust for expecting only numbers,
12238         if there are more than two numbers, compare the last two.
12239
12240 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
12241
12242         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
12243         -Wnarrowing with -std.
12244
12245 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12246
12247         PR c++/69851
12248         * expr.c (store_field): Don't use bit-field path if exp is
12249         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
12250         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
12251         and the assignment can be performed by bitwise copy.  Formatting
12252         fix.
12253
12254         PR middle-end/69838
12255         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
12256         call copy_reg_eh_region_note_forward on before and/or after sequences
12257         and remove note from insn if it no longer can throw.
12258
12259         PR target/69820
12260         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
12261         if TARGET_AVX512BW.
12262
12263 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12264
12265         * config/s390/vector.md: Add missing commutative operand markers
12266         to the patterns which qualify for one.
12267         * config/s390/vx-builtins.md: Likewise.
12268
12269 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12270
12271         * config/s390/vector.md (VI, VI_QHS): Add single element vector
12272         types to mode iterators.
12273         (vec_double): ... and mode attribute.
12274         * config/s390/vx-builtins.md (non_vec_int): Likewise.
12275
12276 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12277
12278         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
12279         Change the predicate of op2 from nonimmediate to general and let
12280         reload fix it if necessary.
12281
12282 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12283
12284         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
12285
12286 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12287
12288         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
12289         mode.
12290
12291 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12292
12293         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
12294         * config/s390/s390.c (s390_expand_vec_movstr): New function.
12295         * config/s390/s390.md ("movstr<P:mode>"): Call
12296         s390_expand_vec_movstr.
12297
12298 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12299
12300         * config/s390/s390.md: Add missing output modifier for operand 1
12301         to print it as address properly.
12302
12303 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12304
12305         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
12306         * config/s390/2964.md: New file.
12307         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
12308         of insn grouping attributes depending on the CPU level.
12309         (s390_get_unit_mask): New function.
12310         (s390_sched_score): Remove the OOO from the scheduling macros.
12311         Add loop to calculate a score for the instruction mix.
12312         (s390_sched_reorder): Likewise plus improve debug output.
12313         (s390_sched_variable_issue): Rename macros as above.  Calculate
12314         the unit distances after actually scheduling an insn.  Improve
12315         debug output.
12316         (s390_sched_init): Clear last_scheduled_unit_distance array.
12317         * config/s390/s390.md: Include 2964.md.
12318
12319 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12320
12321         PR target/69671
12322         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
12323         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
12324         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
12325         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
12326         *avx512f_<code>v8div16qi2_mask_1): New insns.
12327
12328 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
12329
12330         PR target/68404
12331         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
12332         2016-02-09 change.
12333
12334         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
12335         earlyclobber from target.  Use wF constraint for fused memory
12336         address.
12337         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
12338
12339 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12340             Martin Liska  <mliska@suse.cz>
12341
12342         PR sanitizer/69863
12343         * cfgexpand.c (asan_sanitize_stack_p): New function.
12344         (partition_stack_vars): Use the function.
12345         (expand_stack_vars): Likewise.
12346         (defer_stack_allocation): Likewise.
12347         (expand_used_vars): Likewise.
12348
12349 2016-02-18  Richard Biener  <rguenther@suse.de>
12350
12351         PR middle-end/69553
12352         * fold-const.c (operand_equal_p): Properly compare offsets for
12353         IMAGPART_EXPR and ARRAY_REF.
12354
12355 2016-02-18  Nick Clifton  <nickc@redhat.com>
12356
12357         PR target/62254
12358         PR target/69610
12359         * config/arm/arm.c (arm_option_override_internal): Disable
12360         interworking if the target does not support thumb instructions.
12361         (arm_reload_in_hi): Handle the case where a register to register
12362         move needs reloading because there is no simple pattern to handle
12363         it.
12364         (arm_reload_out_hi): Likewise.
12365
12366 2016-02-18  Richard Biener  <rguenther@suse.de>
12367
12368         PR middle-end/69854
12369         * match.pd: Don't use fold_binary or fold_unary for folding
12370         constants.
12371
12372 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
12373
12374         PR c++/69850
12375         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
12376         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
12377         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
12378         warn on gimple_no_warning_p statements.
12379
12380 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
12381
12382         * doc/extend.texi (C++ Attributes): Correct description of
12383         warn_unused type attribute.
12384
12385 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12386
12387         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
12388         correct instruction.
12389
12390 2016-02-17  Richard Biener  <rguenther@suse.de>
12391
12392         PR rtl-optimization/69609
12393         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
12394         (find_traces_1_round): When ending a trace update cached priority
12395         of successors.
12396         (bb_to_key): Use cached priority when available.
12397         (copy_bb): Initialize cached priority.
12398         (reorder_basic_blocks_software_trace_cache): Likewise.
12399
12400 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12401
12402         PR target/69161
12403         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
12404         New predicate.
12405         (aarch64_comparison_operator): Break overly long line into two.
12406         (aarch64_comparison_operation): Likewise.
12407         * config/aarch64/aarch64.md (cstorecc4): Use
12408         aarch64_comparison_operator_mode instead of
12409         aarch64_comparison_operator.
12410         (cstore<mode>4): Likewise.
12411         (aarch64_cstore<mode>): Likewise.
12412         (*cstoresi_insn_uxtw): Likewise.
12413         (cstore<mode>_neg): Likewise.
12414         (*cstoresi_neg_uxtw): Likewise.
12415
12416 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12417
12418         PR target/69161
12419         * config/arm/predicates.md (arm_comparison_operator_mode):
12420         New predicate.
12421         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
12422         instead of arm_comparison_operator.
12423         (*mov_negscc): Likewise.
12424         (*mov_notscc): Likewise.
12425         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
12426         (*thumb2_mov_negscc): Likewise.
12427         (*thumb2_mov_negscc_strict_it): Likewise.
12428         (*thumb2_mov_notscc): Likewise.
12429         (*thumb2_mov_notscc_strict_it): Likewise.
12430
12431 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
12432
12433         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
12434         Add missing return.
12435
12436 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
12437
12438         * config/visium/visium.c (machine_libfunc_index): New enum.
12439         (machine_libfuncs): New structure.
12440         (visium_libfuncs): New static variable.
12441         (TARGET_INIT_LIBFUNCS): Define to...
12442         (visium_init_libfuncs): ...this.  New function.
12443         (expand_block_move_4): Use the appropriate libfunc.
12444         (expand_block_move_2): Likewise.
12445         (expand_block_move_1): Likewise.
12446         (expand_block_set_4): Likewise.
12447         (expand_block_set_2): Likewise.
12448         (expand_block_set_1): Likewise.
12449         (visium_trampoline_init): Likewise.
12450
12451 2016-02-17  Nick Clifton  <nickc@redhat.com>
12452
12453         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
12454         TI's devices.csv file as of March 2016.
12455
12456 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
12457
12458         PR Target/48344
12459         * opts-global.c (handle_common_deferred_options): Introduce and
12460         initialize two global variables to remember command-line options
12461         specifying a stack-limiting register.
12462         * opts.h: Add extern declarations of the two new global variables.
12463         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
12464         variable based on the values of the two new global variables.
12465
12466 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12467
12468         PR c/69835
12469         * common.opt (Wnonnull-compare): New warning.
12470         * doc/invoke.texi (-Wnonnull): Remove text about comparison
12471         of arguments against NULL.
12472         (-Wnonnull-compare): Document.
12473         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
12474         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
12475         * passes.def (pass_warn_nonnull_compare): Add.
12476         * gimple-ssa-nonnull-compare.c: New file.
12477
12478 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12479
12480         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
12481         AARCH64_EXTRA_TUNE_RECIP_SQRT.
12482
12483 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12484
12485         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
12486         reciprocal sqrt for -mlow-precision-recip-sqrt.
12487
12488 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12489             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12490
12491         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
12492         always use lane loads to construct non-constant vectors.
12493
12494 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12495
12496         * config/aarch64/aarch64.md
12497         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
12498         constraints for operand 3.
12499         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
12500
12501 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12502             Richard Biener  <rguenther@suse.de>
12503
12504         PR tree-optimization/69820
12505         * tree-vect-patterns.c (type_conversion_p): Return false if
12506         *orig_type is unsigned single precision or boolean.
12507         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12508         Formatting fix.
12509
12510 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12511
12512         PR rtl-optimization/69764
12513         PR rtl-optimization/69771
12514         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
12515         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
12516
12517 2016-02-16  Richard Biener  <rguenther@suse.de>
12518
12519         PR tree-optimization/69776
12520         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
12521         sets from caller.
12522         (indirect_refs_may_alias_p): Likewise.
12523         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
12524         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
12525         according to tbaa_p.
12526         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
12527         (optimize_stmt): For redundant store discovery do not allow tbaa.
12528
12529 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
12530
12531         PR tree-optimization/69714
12532         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
12533         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
12534
12535 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
12536
12537         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
12538         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
12539         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
12540         * config/arc/arc.c (arc_init): Check FPU options.
12541         (get_arc_condition_code): Handle new CC_FPU* modes.
12542         (arc_select_cc_mode): Likewise.
12543         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
12544         register pair only. Allow access for ARCv2 accumulator.
12545         (gen_compare_reg): Whenever we have FPU support use FPU compare
12546         instructions.
12547         (arc_reorg): Don't generate brcc insns when FPU compare
12548         instructions are involved.
12549         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
12550         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
12551         floating point emulation.
12552         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
12553         (REVERSE_CONDITION): Add new CC_FPU* modes.
12554         (TARGET_FP_SP_BASE): Define.
12555         (TARGET_FP_DP_BASE): Likewise.
12556         (TARGET_FP_SP_FUSED): Likewise.
12557         (TARGET_FP_DP_FUSED): Likewise.
12558         (TARGET_FP_SP_CONV): Likewise.
12559         (TARGET_FP_DP_CONV): Likewise.
12560         (TARGET_FP_SP_SQRT): Likewise.
12561         (TARGET_FP_DP_SQRT): Likewise.
12562         (TARGET_FP_DP_AX): Likewise.
12563         * config/arc/arc.md (ARCV2_ACC): New constant.
12564         (type): New fpu type attribute.
12565         (SDF): Conditional iterator.
12566         (cstore<mode>, cbranch<mode>): Change expand condition.
12567         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
12568         handles FPU/FPX cases as well.
12569         * config/arc/arc.opt (mfpu): New option.
12570         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
12571         Renamed.
12572         (adddf3, muldf3, subdf3): Removed.
12573         * config/arc/predicates.md (proper_comparison_operator): Recognize
12574         CC_FPU* modes.
12575         * config/arc/fpu.md: New file.
12576         * doc/invoke.texi (ARC Options): Document mfpu option.
12577
12578 2016-02-16  Richard Biener  <rguenther@suse.de>
12579
12580         PR rtl-optimization/69291
12581         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
12582         noce_operand_ok check.
12583
12584 2016-02-16  Tom de Vries  <tom@codesourcery.com>
12585
12586         PR lto/67709
12587         * omp-low.c (simd_clone_create): Remove call to
12588         symtab->call_cgraph_insertion_hooks.
12589
12590 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12591
12592         PR tree-optimization/69802
12593         * tree-ssa-reassoc.c (update_range_test): If op is
12594         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12595         op == 1 test of precision 1 integral op, otherwise handle
12596         that case as op itself.  Fix up formatting.
12597         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12598         up formatting.
12599
12600 2016-02-16  Richard Biener  <rguenther@suse.de>
12601
12602         PR tree-optimization/69586
12603         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12604         types for conversion sources.
12605
12606 2016-02-16  Richard Biener  <rguenther@suse.de>
12607
12608         PR middle-end/69801
12609         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12610         mask OEP_ADDRESS_OF.
12611
12612 2016-02-16  Alan Modra  <amodra@gmail.com>
12613
12614         PR target/68973
12615         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12616         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12617         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12618         (p8_mtvsrwz): New.
12619         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12620         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12621         (p8_fmrgow_<mode>): Likewise.
12622         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12623         changes.
12624         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12625         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12626         to use movdi_internal64.  Remove op0_di.
12627         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12628
12629 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12630
12631         Add support for the FCCMP insn types
12632
12633         * config/aarch64/aarch64.md (fccmp): Change insn type.
12634         (fccmpe): Likewise.
12635         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12636         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12637         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12638         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12639         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12640         * config/arm/types.md (fccmps): Add new insn type.
12641         (fccmpd): Likewise.
12642
12643 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12644
12645         * alias.c (get_alias_set): Fix a typo in comment.
12646
12647 2016-02-15  Richard Biener  <rguenther@suse.de>
12648
12649         PR tree-optimization/69595
12650         * match.pd: Complete range test simplification to true.
12651
12652 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12653
12654         PR rtl-optimization/69648
12655         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12656         pic_offset_table_rtx.
12657
12658         PR rtl-optimization/69752
12659         * ira.c (update_equiv_regs): When looking for more than a single SET,
12660         also take other side effects into account.
12661
12662 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12663
12664         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12665         for z900+ CPUs in 31-bit mode.
12666
12667 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12668
12669         * common/config/s390/s390-common.c (s390_supports_split_stack):
12670         New function.
12671         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12672         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12673         * config/s390/s390.c (struct machine_function): New field
12674         split_stack_varargs_pointer.
12675         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12676         in s390_emit_prologue.
12677         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12678         vararg pointer.
12679         (morestack_ref): New global.
12680         (SPLIT_STACK_AVAILABLE): New macro.
12681         (s390_expand_split_stack_prologue): New function.
12682         (s390_live_on_entry): New function.
12683         (s390_va_start): Use split-stack vararg pointer if appropriate.
12684         (s390_asm_file_end): Emit the split-stack note sections.
12685         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12686         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12687         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12688         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12689         (split_stack_prologue): New expand.
12690         (split_stack_space_check): New expand.
12691         (split_stack_data): New insn.
12692         (split_stack_call): New expand.
12693         (split_stack_call_*): New insn.
12694         (split_stack_cond_call): New expand.
12695         (split_stack_cond_call_*): New insn.
12696
12697 2016-02-15  Richard Biener  <rguenther@suse.de>
12698
12699         PR tree-optimization/69783
12700         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12701         Add trivially correct cases.
12702
12703 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12704
12705         PR lto/69655
12706         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12707         do_force_output.
12708         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12709
12710 2016-02-15  Richard Biener  <rguenther@suse.de>
12711
12712         PR tree-optimization/69776
12713         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12714         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12715         indicate whether we can use TBAA to disambiguate against stores.
12716         Use alias-set zero if not.
12717         (visit_reference_op_store): Do not use TBAA when looking up
12718         redundant stores.
12719         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12720         (eliminate_dom_walker::before_dom_children): But not when looking
12721         up redundant stores.
12722
12723 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12724
12725         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12726
12727 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12728
12729         *  config/i386/znver1.md
12730         (znver1_pop, znver1_pop_mem,
12731         znver1_load_imov_double_store,
12732         znver1_load_imov_direct_store,
12733         znver1_load_imov_direct_load,
12734         znver1_load_imov_double_load): Add new.
12735         (znver1_insn, znver1_insn_load): Add icmov type.
12736         (znver1_sseavx_fma,
12737         znver1_sseavx_fma_load,
12738         znver1_avx256_fma,
12739         znver1_avx256_fma_load): Fix pipe usage.
12740
12741 2016-02-14  Alan Modra  <amodra@gmail.com>
12742
12743         PR target/68973
12744         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12745         with an invalid hard reg, reload just the reg not the entire
12746         pre/post-inc/dec address expression.
12747
12748 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12749
12750         PR target/67260
12751         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12752         fixed R1_REG scratch reg.
12753         (sibcall_value_pcrel_fdpic): Likewise.
12754
12755 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12756
12757         PR target/67636
12758         PR target/64345
12759         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12760
12761 2016-02-12  Walter Lee  <walt@tilera.com>
12762
12763         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12764         * config/tilegx/t-tilegx: Likewise.
12765
12766 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12767
12768         PR other/69554
12769         * diagnostic-show-locus.c (struct line_span): New struct.
12770         (layout::get_first_line): Delete.
12771         (layout::get_last_line): Delete.
12772         (layout::get_num_line_spans): New member function.
12773         (layout::get_line_span): Likewise.
12774         (layout::print_heading_for_line_span_index_p): Likewise.
12775         (layout::get_expanded_location): Likewise.
12776         (layout::calculate_line_spans): Likewise.
12777         (layout::m_first_line): Delete.
12778         (layout::m_last_line): Delete.
12779         (layout::m_line_spans): New field.
12780         (layout::layout): Update comment.  Replace m_first_line and
12781         m_last_line with m_line_spans, replacing their initialization
12782         with a call to calculate_line_spans.
12783         (diagnostic_show_locus): When printing source lines and
12784         annotations, rather than looping over a single span
12785         of lines, instead loop over each line_span within
12786         the layout, with an inner loop over the lines within them.
12787         Call the context's start_span callback when changing line spans.
12788         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12789         (diagnostic_build_prefix): Break out the building of the location
12790         part of the string into...
12791         (diagnostic_get_location_text): ...this new function, rewriting
12792         it from nested ternary expressions to a sequence of "if"
12793         statements.
12794         (default_diagnostic_start_span_fn): New function.
12795         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12796         (diagnostic_context::start_span): New field.
12797         (default_diagnostic_start_span_fn): New prototype.
12798
12799 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12800
12801         PR driver/69779
12802         * gcc.c (driver::finalize): Fix cleanup of "specs".
12803
12804 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12805
12806         PR driver/69265
12807         PR driver/69453
12808         * gcc.c (driver::driver): Initialize m_option_suggestions.
12809         (driver::~driver): Clean up m_option_suggestions.
12810         (suggest_option): Convert to...
12811         (driver::suggest_option): ...this, and split out into
12812         driver::build_option_suggestions and find_closest_string.
12813         (driver::build_option_suggestions): New function, from
12814         first half of suggest_option.  Special-case
12815         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12816         the sanitizer_opts array.  For options of enum types, add the
12817         various enum values to the candidate strings.
12818         (driver::handle_unrecognized_options): Remove "const".
12819         * gcc.h (driver::handle_unrecognized_options): Likewise.
12820         (driver::build_option_suggestions): New decl.
12821         (driver::suggest_option): New decl.
12822         (driver::m_option_suggestions): New field.
12823         * opts-common.c (add_misspelling_candidates): New function.
12824         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12825         and make non-static.
12826         * opts.h (sanitizer_opts): New array decl.
12827         (add_misspelling_candidates): New function decl.
12828         * spellcheck.c (find_closest_string): New function.
12829         * spellcheck.h (find_closest_string): New function decl.
12830
12831 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12832
12833         PR rtl-optimization/69764
12834         PR rtl-optimization/69771
12835         * optabs.c (expand_binop_directly): For shift_optab_p, force
12836         convert_modes with VOIDmode if xop1 has VOIDmode.
12837
12838 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12839
12840         PR target/69729
12841         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12842         to correctly determine instrumentation thunks.
12843
12844 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12845
12846         PR ipa/69241
12847         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12848         type by reference, force lhs on the call.
12849
12850         PR ipa/68672
12851         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12852         Compute retval and retbnd early in all cases if split_part_return_p
12853         and return_bb is not EXIT.  Remove all clobber stmts and reset
12854         all debug stmts that refer to SSA_NAMEs defined in split part,
12855         except if it is retval, in that case replace the old retval with the
12856         lhs of the call to the split part.
12857
12858 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12859
12860         revert:
12861         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12862
12863         PR middle-end/66726
12864         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12865         whose result is used in PHI.
12866         (maybe_optimize_range_tests): Likewise.
12867         (final_range_test_p): Likweise.
12868
12869 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12870
12871         PR middle-end/66726
12872         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12873         whose result is used in PHI.
12874         (maybe_optimize_range_tests): Likewise.
12875         (final_range_test_p): Likweise.
12876
12877 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12878
12879         * cgraph.c: Spelling fixes - behaviour -> behavior and
12880         neighbour -> neighbor.
12881         * target.def: Likewise.
12882         * sel-sched.c: Likewise.
12883         * config/mips/mips.c: Likewise.
12884         * config/arc/arc.md: Likewise.
12885         * config/arm/cortex-a57.md: Likewise.
12886         * config/arm/arm.c: Likewise.
12887         * config/arm/neon.md: Likewise.
12888         * config/arm/arm-c.c: Likewise.
12889         * config/vms/vms-c.c: Likewise.
12890         * config/s390/s390.c: Likewise.
12891         * config/i386/znver1.md: Likewise.
12892         * config/i386/i386.c: Likewise.
12893         * config/ia64/hpux-unix2003.h: Likewise.
12894         * config/msp430/msp430.md: Likewise.
12895         * config/rx/rx.c: Likewise.
12896         * config/rx/rx.md: Likewise.
12897         * config/aarch64/aarch64-simd.md: Likewise.
12898         * config/aarch64/aarch64.c: Likewise.
12899         * config/nvptx/nvptx.c: Likewise.
12900         * config/bfin/bfin.c: Likewise.
12901         * config/cris/cris.opt: Likewise.
12902         * config/rs6000/rs6000.c: Likewise.
12903         * target.h: Likewise.
12904         * spellcheck.c: Likewise.
12905         * ira-build.c: Likewise.
12906         * tree-inline.c: Likewise.
12907         * builtins.c: Likewise.
12908         * lra-constraints.c: Likewise.
12909         * explow.c: Likewise.
12910         * hwint.h: Likewise.
12911         * targhooks.c: Likewise.
12912         * tree-vect-data-refs.c: Likewise.
12913         * expr.c: Likewise.
12914         * doc/tm.texi: Likewise.
12915         * doc/extend.texi: Likewise.
12916         * doc/install.texi: Likewise.
12917         * doc/md.texi: Likewise.
12918         * tree-ssa-tail-merge.c: Likewise.
12919         * sched-int.h: Likewise.
12920         * match.pd: Likewise.
12921         * sched-ebb.c: Likewise.
12922         * target.def (omit_struct_return_reg): Likewise.
12923         * gimple-ssa-isolate-paths.c: Likewise.
12924         (find_implicit_erroneous_behaviour): Renamed to...
12925         (find_implicit_erroneous_behavior): ... this.
12926         (find_explicit_erroneous_behaviour): Renamed to...
12927         (find_explicit_erroneous_behavior): ... this.
12928         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12929
12930 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12931
12932         PR rtl-optimization/64682
12933         PR rtl-optimization/69567
12934         PR rtl-optimization/69737
12935         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12936         in I2 as well, just lose it.
12937
12938 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12939
12940         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12941         New variable.
12942         (aarch64_last_printed_tune_string): Likewise.
12943         (aarch64_declare_function_name): Only output .arch assembler
12944         directive if it will be different from the previously output
12945         directive.  Same for .tune comment but only if -dA is set.
12946         (aarch64_start_file): New function.
12947         (TARGET_ASM_FILE_START): Define.
12948
12949 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12950
12951         PR plugins/69758
12952         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12953
12954 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12955
12956         PR target/65313
12957         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12958         -Wmaybe-uninitialized warning.
12959
12960 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12961
12962         PR target/69713
12963         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12964
12965 2016-02-11  Richard Biener  <rguenther@suse.de>
12966
12967         PR rtl-optimization/69291
12968         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12969         subexpressions affected by changing the result.
12970
12971 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12972
12973         PR target/69148
12974         * lra-constraints.c (curr_insn_transform): Find in/out operands
12975         for secondary memory moves.  Update dups.
12976
12977 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12978
12979         PR tree-optimization/69652
12980         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12981         to nested loop, did source re-formatting, skip debug statements,
12982         add check on statement with volatile operand, remove dead scalar
12983         statements.
12984
12985 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12986             Patrick Palka  <ppalka@gcc.gnu.org>
12987
12988         PR ipa/69241
12989         PR c++/69649
12990         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12991         calls if the return type is TREE_ADDRESSABLE.
12992         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12993         * ipa-split.c (split_function): Fix doubled "we" in comment.
12994         Use void return type for the split part even if
12995         !split_point->split_part_set_retval.
12996
12997 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12998
12999         PR tree-optimization/68021
13000         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
13001         when computing the value of biv cand by itself.
13002
13003 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
13004
13005         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
13006         (cortexa57_tunings): Likewise.
13007         (cortexa72_tunings): Likewise.
13008         (arch_macro_fusion_pair_p): Add support for AES fusion.
13009         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
13010         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
13011         Allow virtual registers before reload so early scheduling works.
13012         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
13013         correct latency and pipeline.
13014         (cortex_a57_crypto_complex): Likewise.
13015         (cortex_a57_crypto_xor): Likewise.
13016         (define_bypass): Add AES bypass.
13017
13018 2016-02-10  Richard Biener  <rguenther@suse.de>
13019
13020         PR tree-optimization/69726
13021         * passes.def: Add DCE pass before late uninit.
13022         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
13023         really fixup if-conversions job.
13024
13025 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
13026
13027         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
13028         (arm_cortex_a57_tune): Likewise.
13029         (aarch_macro_fusion_pair_p): Add support for AES fusion.
13030         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
13031
13032 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
13033
13034         * timevar.def (TV_PHASE_DBGINFO): Delete.
13035         (TV_PHASE_CHECK_DBGINFO): Likewise.
13036         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
13037
13038 2016-02-10  Richard Biener  <rguenther@suse.de>
13039
13040         PR tree-optimization/69719
13041         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13042         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
13043
13044 2016-02-09  Andrew Pinski  <apinski@cavium.com>
13045
13046         PR tree-opt/69282
13047         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
13048         get_vcond_mask_icode returns false.
13049
13050 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
13051
13052         PR target/68404
13053         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
13054         an ADDIS that adds a pointer to a large constant that sets the
13055         upper16 bits with a load operation.
13056
13057 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
13058
13059         PR target/68532
13060         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
13061         order.
13062         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
13063         endian.
13064         (vzipq_s16): Likewise.
13065         (vzipq_s32): Likewise.
13066         (vzipq_f32): Likewise.
13067         (vzipq_u8): Likewise.
13068         (vzipq_u16): Likewise.
13069         (vzipq_u32): Likewise.
13070         (vzipq_p8): Likewise.
13071         (vzipq_p16): Likewise.
13072
13073 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
13074
13075         PR target/68532
13076         * config/arm/arm.c (neon_endian_lane_map): New function.
13077         (neon_vector_pair_endian_lane_map): New function.
13078         (arm_evpc_neon_vuzp): Allow for big endian lane order.
13079         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
13080         endian.
13081         (vuzpq_s16): Likewise.
13082         (vuzpq_s32): Likewise.
13083         (vuzpq_f32): Likewise.
13084         (vuzpq_u8): Likewise.
13085         (vuzpq_u16): Likewise.
13086         (vuzpq_u32): Likewise.
13087         (vuzpq_p8): Likewise.
13088         (vuzpq_p16): Likewise.
13089
13090 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
13091
13092         PR target/69634
13093         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
13094         debug insns.
13095
13096 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
13097
13098         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
13099         truncate const_int operand 1 to QImode.
13100
13101 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
13102
13103         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
13104         corresponding to an abnormal edge.
13105
13106 2016-02-09  Tom de Vries  <tom@codesourcery.com>
13107
13108         PR tree-optimization/69599
13109         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
13110         function.
13111         (find_func_aliases_for_builtin_call, find_func_clobbers)
13112         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
13113         partition.
13114
13115 2016-02-09  Richard Biener  <rguenther@suse.de>
13116
13117         PR tree-optimization/69715
13118         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
13119         LHS on calls as non-rewritable.
13120
13121 2016-02-09  Tom de Vries  <tom@codesourcery.com>
13122
13123         PR lto/69707
13124         * lto-wrapper.c (append_diag_options): New function.
13125         (compile_offload_image): Call append_diag_options.
13126
13127 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
13128
13129         PR other/69722
13130         * doc/extend.texi (Flag Output Operands): Correct sectioning.
13131         Minor copy-edit to fix verb tenses.
13132
13133 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
13134
13135         PR tree-optimization/69209
13136         * ipa-split.c (split_function): If split part is not
13137         returning retval, retval has gimple type but is not
13138         gimple value, force it into a SSA_NAME first.
13139
13140 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
13141
13142         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
13143         outdated section.
13144
13145 2016-02-08  Jason Merrill  <jason@redhat.com>
13146
13147         PR c++/69631
13148         * convert.c (convert_to_integer_1): Check dofold on truncation
13149         distribution.
13150         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
13151         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
13152         Rename from *_nofold.
13153         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
13154         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
13155
13156 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
13157
13158         PR target/60410
13159         * tree.c (build_common_tree_nodes): Remove short_double argument.
13160         All callers changed.
13161         * tree.h (build_common_tree_nodes): Adjust declaration.
13162         * doc/invoke.texi (-fshort-double): Remove documentation.
13163         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
13164         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
13165         * lto-wrapper.c (merge_and_complain, append_compiler_options)
13166         (append_linker_options): Don't handle OPT_fshort_double.
13167
13168         PR rtl-optimization/68730
13169         * lra-remat.c (insn_to_cand_activation): New static variable.
13170         (lra_remat): Allocate and free it.
13171         (create_cand): New arg activation. Initialize a field in
13172         insn_to_cand_activation if it is nonnull.
13173         (create_cands): Pass the activation insn to create_cand when making
13174         a candidate involving an output reload.  Reorganize code a little.
13175         (do_remat): Keep track of active status of candidates in a separate
13176         bitmap.
13177
13178 2016-02-08  Richard Biener  <rguenther@suse.de>
13179
13180         PR tree-optimization/69719
13181         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13182         Properly use absolute of the difference of the two offsets to
13183         compare or adjust the segment length.
13184
13185 2016-02-08  Richard Biener  <rguenther@suse.de>
13186             Jeff Law  <law@redhat.com>
13187
13188         PR target/68273
13189         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
13190         types for anonymous SSA names.
13191
13192 2016-02-08   Richard Biener  <rguenther@suse.de>
13193
13194         PR rtl-optimization/69274
13195         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
13196
13197 2016-02-08  Jeff Law  <law@redhat.com>
13198
13199         PR tree-optimization/65917
13200         * tree-ssa-dom.c (record_temporary_equivalences): Record both
13201         equivalences from if (x == y) style conditionals.
13202         (loop_depth_of_name): Remove.
13203         (record_equality): Remove loop depth check.
13204         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
13205         (const_and_copies::record_const_or_copy_raw): New member function.
13206         * tree-ssa-scopedtables.c
13207         (const_and_copies::record_const_or_copy_raw): New, factored out of
13208         (const_and_copies::record_const_or_copy): Call new member function.
13209
13210 2016-02-05  Jeff Law  <law@redhat.com>
13211
13212         PR tree-optimization/68541
13213         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
13214         (count_stmts_in_block): New function.
13215         (poor_ifcvt_candidate_code): Likewise.
13216         (is_feasible_trace): Add some heuristics to determine when path
13217         splitting is profitable.
13218         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
13219         is a diamond with a single exit.
13220
13221 2016-02-05  Martin Sebor  <msebor@redhat.com>
13222
13223         PR c++/69662
13224         * doc/invoke.texi: Update -Wplacement-new to take an optional
13225         argument.
13226
13227 2016-02-06  Richard Henderson  <rth@redhat.com>
13228
13229         PR c/69643
13230         * tree.c (tree_nop_conversion_p): Do not strip casts into or
13231         out of non-standard address spaces.
13232
13233 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13234
13235         PR rtl-optimization/69691
13236         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
13237
13238 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
13239
13240         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
13241         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
13242         (*ieee128_mfvsrd_64bit): Likewise.
13243         (*ieee128_mfvsrd_32bit): Likewise.
13244
13245 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
13246
13247         PR target/69369
13248         Revert r232560:
13249         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
13250
13251         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
13252         instrumented_version.
13253
13254 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
13255
13256         * doc/invoke.texi (Optimize Options): In table of --param options
13257         rename second occurrence of tracer-min-branch-ratio to
13258         tracer-min-branch-probability, rename
13259         tracer-min-branch-ratio-feedback to
13260         tracer-min-branch-probability-feedback and clarify description,
13261         rename sched-spec-state-edge-prob-cutoff to
13262         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
13263         to selsched-insns-to-rename, rename lto-minpartition to
13264         lto-min-partition, delete reorder-blocks-duplicate and
13265         reorder-blocks-duplicate-feedback.
13266
13267 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13268
13269         * config/s390/s390.c (s390_register_info_set_ranges): Remove
13270         superfluous loops.
13271
13272 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13273
13274         * doc/extend.texi: S/390: Correct some typos.
13275
13276 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13277
13278         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
13279
13280 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13281
13282         PR target/69625
13283         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
13284         (s390_register_info_gprtofpr): Use new macros above.
13285         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
13286         its name.
13287         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
13288         its name.  Adjust restore and save gpr ranges.
13289         (s390_register_info_set_ranges): New function.
13290         (s390_register_info): Use new macros above.  Call
13291         s390_register_info_set_ranges.
13292         (s390_optimize_register_info): Likewise.
13293         (s390_hard_regno_rename_ok): Use new macros.
13294         (s390_hard_regno_scratch_ok): Likewise.
13295         (s390_emit_epilogue): Likewise.
13296         (s390_can_use_return_insn): Likewise.
13297         (s390_optimize_prologue): Likewise.
13298         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
13299
13300 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13301
13302         PR bootstrap/69677
13303         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
13304         alignment fixes.
13305         (ix86_option_override_internal): Disable TARGET_STV even for
13306         -m{incoming,preferred}-stack-boundary=3.
13307
13308 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13309
13310         * config.gcc: Mark deprecated rtems targets as obsolete.
13311
13312 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
13313
13314         PR rtl-optimization/64682
13315         PR rtl-optimization/69567
13316         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
13317         before I2 only if the register is both used and set in I2.
13318
13319 2016-02-04  DJ Delorie  <dj@redhat.com>
13320
13321         * config/msp430/msp430.c (msp430_start_function): Add function type.
13322
13323 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13324
13325         PR fortran/69368
13326         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
13327
13328 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
13329
13330         PR rtl-optimization/69577
13331         Revert:
13332         2015-10-29  Richard Henderson  <rth@redhat.com>
13333
13334         PR target/68124
13335         PR rtl-opt/67609
13336         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
13337         sse check to the exact conditions of PR 67609.
13338
13339 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13340
13341         PR target/69667
13342         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
13343         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
13344         not allowed into the traditional Altivec registers.
13345         (movtd_64bit_nodm): Likewise.
13346         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
13347
13348 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
13349
13350         * config/aarch64/cortex-a57-fma-steering.c
13351         (aarch64_register_fma_steering): Remove "static" from arguments
13352         to register_pass.
13353
13354 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
13355
13356         PR target/69619
13357         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
13358         twice when complex.
13359
13360 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
13361
13362         * doc/invoke.texi: Delete -mno-fma4.
13363
13364 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
13365
13366         PR rtl-optimization/69577
13367         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
13368         (find_subregs_of_mode): Update accordingly.  Iterate over partial
13369         definitions.
13370
13371 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
13372
13373         * config/arm/arm-protos.h (neon_reinterpret): Remove.
13374         * config/arm/arm.c (neon_reinterpret): Remove.
13375         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
13376         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
13377         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
13378         vreinterpretti): Remove.
13379         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
13380         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
13381         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
13382         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
13383         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
13384         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
13385         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
13386         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
13387         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
13388         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
13389         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
13390         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
13391         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
13392         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
13393         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
13394         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
13395         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
13396         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
13397         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
13398         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
13399         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
13400         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
13401         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
13402         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
13403         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
13404         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
13405         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
13406         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
13407         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
13408         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
13409         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
13410         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
13411         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
13412         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
13413         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
13414         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
13415         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
13416         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
13417         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
13418         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
13419         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
13420         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
13421         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
13422         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
13423         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
13424         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
13425         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
13426         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
13427         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
13428         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
13429         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
13430         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
13431         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
13432         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
13433         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
13434         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
13435         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
13436         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
13437         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
13438         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
13439         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
13440         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
13441         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
13442         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
13443         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
13444         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
13445         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
13446         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
13447         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
13448         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
13449         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
13450         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
13451         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
13452         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
13453         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
13454         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
13455         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
13456         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
13457         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
13458         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
13459         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
13460         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
13461         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
13462         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
13463         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
13464         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
13465         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
13466         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
13467         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
13468         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
13469         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
13470         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
13471         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
13472         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
13473         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
13474         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
13475         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
13476         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
13477         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
13478         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
13479         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
13480         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
13481         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
13482
13483 2016-02-04  Martin Liska  <mliska@suse.cz>
13484
13485         PR sanitizer/69276
13486         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
13487         that are gimple_store_p.
13488         (maybe_instrument_call): Likewise.
13489
13490 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
13491
13492         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
13493         register scaling out of memory reference and comment why.
13494
13495 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13496
13497         PR target/65932
13498         PR target/67714
13499         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
13500         folding the source of a SET.
13501
13502 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13503
13504         PR target/65932
13505         PR target/67714
13506         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13507         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13508
13509 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
13510
13511         PR target/65932
13512         PR target/67714
13513         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
13514         HImode.
13515
13516 2016-02-04  Christian Bruel  <christian.bruel@st.com>
13517
13518         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
13519         * config/arm/arm.c (arm_set_current_function): Likewise.
13520
13521 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13522             Ilya Enkovich  <enkovich.gnu@gmail.com>
13523             H.J. Lu  <hongjiu.lu@intel.com>
13524
13525         PR target/69454
13526         * config/i386/i386.c (convert_scalars_to_vector): Remove
13527         stack alignment fixes.
13528         (ix86_option_override_internal): Disable TARGET_STV if stack
13529         might not be aligned enough.
13530         (ix86_minimum_alignment): Assert that TARGET_STV is false.
13531
13532 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
13533
13534         * config/i386/x86-tune.def: Disable default prefetching
13535         for -march=znver1.
13536
13537 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13538             Vladimir Makarov  <vmakarov@redhat.com>
13539
13540         PR target/69461
13541         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
13542         in validating fused toc addresses.
13543
13544 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
13545
13546         PR c/69627
13547         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
13548         range->m_caret fields if range->m_show_caret_p is false.
13549
13550         PR target/69644
13551         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13552         Force oldval into register if it does not satisfy reg_or_short_operand
13553         predicate.  Fix up formatting.
13554
13555 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
13556             Alexandre Oliva  <aoliva@redhat.com>
13557
13558         PR target/69461
13559         * lra-constraints.c (simplify_operand_subreg): Check additionally
13560         address validity after potential reloading.
13561         (process_address_1): Check insns validity.  In case of failure do
13562         nothing.
13563
13564 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
13565
13566         PR target/69118
13567         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
13568         Fix target.
13569
13570 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
13571
13572         * wide-int.cc (canonize_uhwi): New function.
13573         (wi::divmod_internal): Use it.
13574
13575 2016-02-02  James Norris  <jnorris@codesourcery.com
13576
13577         * gimplify.c (omp_notice_variable): Add usage check.
13578
13579 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
13580
13581         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
13582         like LE, GE, LT, GT when emitting relational operator.
13583
13584 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13585
13586         * ira-costs.c (find_costs_and_classes): Add extra argument.
13587         * target.def (ira_change_pseudo_allocno_class): Add parameter.
13588         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
13589         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
13590         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
13591         Add best_class parameter, and return it if not ALL_REGS.
13592         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
13593         Add parameter.
13594         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13595         Update target hook.
13596
13597 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13598
13599         * config/aarch64/aarch64.c
13600         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13601         (aarch64_ira_change_pseudo_allocno_class): New function.
13602
13603 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13604
13605         PR target/67032
13606         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13607
13608 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13609
13610         * config/avr/avr.c (avr_option_override): Set
13611         PARAM_ALLOW_STORE_DATA_RACES to 1.
13612
13613 2016-02-02  Richard Biener  <rguenther@suse.de>
13614
13615         PR tree-optimization/69595
13616         * match.pd: Add range test simplifications to true/false.
13617
13618 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13619
13620         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13621         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13622         instead.
13623
13624 2016-02-02  Richard Biener  <rguenther@suse.de>
13625
13626         PR tree-optimization/69606
13627         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13628         info on the result before moving a stmt.
13629
13630 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13631
13632         PR middle-end/68542
13633         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13634         branch with vector comparison.
13635         * config/i386/sse.md (VI48_AVX): New mode iterator.
13636         (define_expand "cbranch<mode>4): Add support for conditional branch
13637         with vector comparison.
13638         * tree-vect-loop.c (optimize_mask_stores): New function.
13639         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13640         has_mask_store field of vect_info.
13641         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13642         vectorized loops having masked stores after vec_info destroy.
13643         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13644         correspondent macros.
13645         (optimize_mask_stores): Add prototype.
13646
13647 2016-02-02  Alan Modra  <amodra@gmail.com>
13648
13649         PR target/69548
13650         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13651         allow subregs.
13652
13653 2016-02-02  Alan Modra  <amodra@gmail.com>
13654
13655         PR target/68662
13656         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13657         whenever toc_label_name used.
13658         (rs6000_file_start): Don't set up toc section here,
13659         (rs6000_output_function_epilogue): do so here instead,
13660         (rs6000_xcoff_file_start): and here.
13661         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13662         (load_toc_aix_di): Likewise.
13663
13664 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13665
13666         PR rtl-optimization/69592
13667         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13668         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13669         (num_sign_bit_copies_binary_arith_p): New inline function.
13670         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13671
13672 2016-02-01  Jeff Law  <law@redhat.com>
13673
13674         PR tree-optimization/69580
13675         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13676         * tree-ssa-threadbackward.c
13677         (fsm_find_control_statement_thread_paths): Do not try to walk
13678         through large PHI nodes.
13679
13680 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13681
13682         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13683         when count is incremented above limit, don't analyze further
13684         insns afterwards.
13685
13686         * omp-low.c (oacc_parse_default_dims): Avoid
13687         -Wsign-compare warning, make sure value fits into int
13688         rather than just unsigned int.
13689
13690 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13691
13692         PR tree-optimization/67921
13693         * fold-const.c (split_tree): New parameters.  Convert pointer
13694         type variable part to proper type before negating.
13695         (fold_binary_loc): Pass new arguments to split_tree.
13696
13697 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13698
13699         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13700         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13701         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13702         * doc/tm.texti: Rebuilt.
13703         * doc/invoke.texi (fopenacc-dim): Document.
13704         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13705         (append_compiler_options): Likewise.
13706         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13707         (oacc_parse_default_dims): New.
13708         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13709         possible.
13710         (oacc_loop_fixed_partitions): Return mask of used partitions.
13711         (oacc_loop_auto_partitions): Emit dump info.
13712         (oacc_loop_partition): Return mask of used partitions.
13713         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13714         loop partitioning and validation calls.
13715
13716 2016-02-01  Richard Biener  <rguenther@suse.de>
13717
13718         PR middle-end/69556
13719         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13720
13721 2016-02-01  Richard Biener  <rguenther@suse.de>
13722
13723         PR tree-optimization/69574
13724         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13725         of asserting return chrec_dont_know.
13726
13727 2016-02-01  Martin Liska  <mliska@suse.cz>
13728
13729         * mem-stats-traits.h: Add copyright header.
13730         * mem-stats.h: Likewise.
13731
13732 2016-02-01  Richard Biener  <rguenther@suse.de>
13733
13734         PR tree-optimization/69579
13735         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13736         Do not propagate through abnormal PHI results.
13737
13738 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13739
13740         * postreload.c (reload_cse_simplify): Remove dead code.
13741
13742 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13743
13744         PR rtl-optimization/69570
13745         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13746         if there is more than one set, not if there is a single set.
13747
13748 2016-02-01  Richard Henderson  <rth@redhat.com>
13749
13750         PR rtl-opt/69535
13751         * combine.c (make_compound_operation): When looking through a
13752         subreg, make sure to re-extend to the width of the outer mode.
13753
13754 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13755
13756         PR tree-optimization/69546
13757         * wide-int.cc (wi::divmod_internal): For unsigned division
13758         where both operands fit into uhwi, if o1 is 1 and o0 has
13759         msb set, if divident_prec is larger than bits per hwi,
13760         clear another quotient word and return 2 instead of 1.
13761         Similarly for remainder with msb in HWI set, if dividend_prec
13762         is larger than bits per hwi.
13763
13764 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13765
13766         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13767         Use short lowercase names.
13768         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13769         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13770         acq_rel one.  Protect warning agains segfaults if
13771         get_memory_order_name returns NULL.
13772         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13773         with release semantics.  Do not warn if get_memory_order already did.
13774         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13775         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13776         if get_memory_order already did.
13777
13778 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13779
13780         * doc/install.texi: Document that isl-0.16 is supported.
13781
13782 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13783
13784         PR target/69299
13785         * config/i386/constraints.md (Bm): Describe as special memory
13786         constraint.
13787         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13788         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13789         * genpreds.c (struct constraint_data): Add is_special_memory.
13790         (have_special_memory_constraints, special_memory_start): New
13791         static vars.
13792         (special_memory_end): Ditto.
13793         (add_constraint): Add new arg is_special_memory.  Add code to
13794         process its true value.  Update have_special_memory_constraints.
13795         (process_define_constraint): Pass the new arg.
13796         (process_define_register_constraint): Ditto.
13797         (choose_enum_order): Process special memory.
13798         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13799         function insn_extra_special_memory_constraint.
13800         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13801         * gensupport.c (process_rtx): Process
13802         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13803         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13804         * ira-lives.c (single_reg_class): Use
13805         insn_extra_special_memory_constraint.
13806         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13807         * lra-constraints.c (process_alt_operands): Ditto.
13808         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13809         * recog.c (asm_operand_ok, preprocess_constraints): Process
13810         CT_SPECIAL_MEMORY.
13811         * reload.c (find_reloads): Ditto.
13812         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13813         * stmt.c (parse_input_constraint): Use
13814         insn_extra_special_memory_constraint.
13815
13816 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13817
13818         PR target/69530
13819         * lra-splill.c (lra_final_code_change): Revert r229087 by
13820         removing all sub-registers.
13821
13822 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13823
13824         PR target/65604
13825         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13826
13827 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13828
13829         PR target/69551
13830         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13831         SSE1, copy target into the temporary reg first before recursing
13832         on it.
13833
13834 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13835
13836         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13837         with vm.
13838
13839 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13840
13841         * ginclude/stdarg.h: Test __cplusplus instead of
13842         __GXX_EXPERIMENTAL_CXX0X__.
13843
13844 2016-01-29  Richard Biener  <rguenther@suse.de>
13845
13846         PR tree-optimization/69547
13847         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13848         Do not mark clobbers necessary.
13849         (mark_all_reaching_defs_necessary_1): Likewise.
13850
13851 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13852
13853         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13854         declaration name with %qs and print it in both error messages.
13855         Also fix indentation.
13856
13857 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13858
13859         PR other/69006
13860         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13861         trailing blank line from error message.
13862
13863 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13864
13865         PR c++/69462
13866         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13867         for C++-11.
13868
13869 2016-01-29  Richard Biener  <rguenther@suse.de>
13870
13871         PR middle-end/69537
13872         * match.pd: Allow all integral types when simplifying a
13873         widening or sign-changing conversion.
13874
13875 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13876
13877         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13878         back to setting codegen_error to fail codegen.
13879
13880 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13881
13882         PR target/69459
13883         * config/i386/constraints.md (C): Only accept constant zero operand.
13884         (BC): New constraint.
13885         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13886         instead of C constraint.
13887         * doc/md.texi (Machine Constraints): Update description
13888         of C constraint.
13889
13890 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13891
13892         PR target/68400
13893         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13894
13895 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13896
13897         PR middle-end/69542
13898         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13899         non-debug insns.
13900
13901 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13902
13903         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13904         branches if using guessed profile.
13905
13906 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13907
13908         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13909
13910 2016-01-28  Richard Henderson  <rth@redhat.com>
13911
13912         PR target/69305
13913         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13914         * config/aarch64/aarch64-protos.h: Update.
13915         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13916         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13917         (aarch64_get_condition_code_1): Handle CC_Cmode.
13918         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13919         (*add<mode>3_compareC_cconly_imm): New.
13920         (*add<mode>3_compareC_cconly): New.
13921         (*add<mode>3_compareC_imm): New.
13922         (add<mode>3_compareC): New.
13923         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13924         to be first.  Use aarch64_carry_operation.
13925         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13926         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13927         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13928         (subti3): Use subdi3_compare1.
13929         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13930         (sub<mode>3_compare1): New.
13931         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13932         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13933         (*subsi3_carryin_uxtw): Likewise.
13934         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13935         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13936         * config/aarch64/iterators.md (DWI): New.
13937         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13938         (aarch64_borrow_operation): New.
13939
13940 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13941
13942         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13943         message when isl does not return a valid schedule.
13944
13945 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13946
13947         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13948         Remove comments from class declarations: they are already in the code
13949         close by the defs.
13950
13951 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13952
13953         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13954         codegen_error_p.
13955         (ternary_op_to_tree): Same.
13956         (unary_op_to_tree): Same.
13957         (nary_op_to_tree): Same.
13958         (gcc_expression_from_isl_expr_op): Same.
13959         (gcc_expression_from_isl_expression): Same.
13960         (graphite_create_new_loop): Same.
13961         (graphite_create_new_loop_guard): Same.
13962         (build_iv_mapping): Same.
13963         (graphite_create_new_guard): Same.
13964         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13965         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13966
13967 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13968
13969         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13970         instead of setting codegen_error to fail codegen.
13971
13972 2016-01-28  Jason Merrill  <jason@redhat.com>
13973
13974         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13975
13976 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13977
13978         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13979         Remove CONST_INT_P check in CCMP cost calculation.
13980
13981 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13982
13983         * config/aarch64/aarch64.c (generic_vector_cost):
13984         Set vec_permute_cost.
13985         (cortexa57_vector_cost): Likewise.
13986         (exynosm1_vector_cost): Likewise.
13987         (xgene1_vector_cost): Likewise.
13988         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13989         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13990         Add vec_permute_cost entry.
13991
13992 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13993
13994         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13995         immediate as %1.
13996         (add<mode>3_compare0): Likewise.
13997         (addsi3_compare0_uxtw): Likewise.
13998         (add<mode>3nr_compare0): Likewise.
13999         (compare_neg<mode>): Likewise.
14000         (<optab><mode>3): Likewise.
14001
14002 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
14003
14004         * tree-vect-stmts.c (vectorizable_comparison): Add
14005         NULL check for vectype.
14006
14007 2016-01-28  Richard Biener  <rguenther@suse.de>
14008
14009         PR tree-optimization/69466
14010         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
14011         Account for PHIs we couldn't duplicate.
14012
14013 2016-01-28  Martin Liska  <mliska@suse.cz>
14014
14015         PR pch/68758
14016         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
14017         instead of ENABLE_VALGRIND_CHECKING.
14018
14019 2016-01-27  Richard Henderson  <rth@redhat.com>
14020
14021         PR rtl-opt/69447
14022         * lra-remat.c (subreg_regs): New.
14023         (dump_candidates_and_remat_bb_data): Dump it.
14024         (operand_to_remat): Reject if operand in subreg_regs.
14025         (set_bb_regs): Collect subreg_regs.
14026         (lra_remat): Init and free subreg_regs.  Compute
14027         calculate_local_reg_remat_bb_data before create_cands.
14028
14029 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14030
14031         PR target/68986
14032         * config/i386/i386.c (ix86_update_stack_boundary): Don't
14033         change stack_alignment_needed for __tls_get_addr call.
14034
14035 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
14036
14037         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
14038
14039 2016-01-27  Jeff Law  <law@redhat.com>
14040
14041         PR tree-optimization/68398
14042         PR tree-optimization/69196
14043         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
14044         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
14045         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14046         Only count PHIs in the last block in the path.  The others will
14047         const/copy propagate away.  Add heuristic to allow more irreducible
14048         subloops to be created when it is likely profitable to do so.
14049
14050         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14051         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
14052         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
14053
14054 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
14055
14056         PR lto/69254
14057         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
14058         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
14059         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
14060         * tree-streamer-in.c: Include asan.h.
14061         (streamer_get_builtin_tree): For builtins in sanitizer
14062         range call initialize_sanitizer_builtins and retry.
14063
14064 2016-01-27  Ian Lance Taylor  <iant@google.com>
14065
14066         * common.opt (fkeep-gc-roots-live): New undocumented option.
14067         * tree-ssa-loop-ivopts.c (add_candidate_1): If
14068         -fkeep-gc-roots-live, skip pointers.
14069         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
14070         NULL.
14071
14072 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
14073
14074         PR target/69512
14075         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
14076         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
14077
14078 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
14079
14080         PR target/68380
14081         * configure.ac: NetBSD provides SSP in its C library.
14082         * configure: Updated.
14083
14084 2016-01-27  Richard Biener  <rguenther@suse.de>
14085
14086         PR tree-optimization/69166
14087         * tree-vect-loop.c (vect_is_simple_reduction): Always check
14088         reduction code for commutativity / associativity.
14089
14090 2016-01-27  Martin Jambor  <mjambor@suse.cz>
14091
14092         PR tree-optimization/69355
14093         * tree-sra.c (analyze_access_subtree): Correct hole detection when
14094         total_scalarization fails.
14095
14096 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
14097
14098         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
14099         power9.
14100
14101 2016-01-27  Christian Bruel  <christian.bruel@st.com>
14102
14103         PR target/69245
14104         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
14105         Move arm_reset_previous_fndecl and set_target_option_current_node in
14106         the conditional part.  Call save_restore_target_globals.
14107         * config/arm/arm.c (arm_set_current_function):
14108         Refactor to better support #pragma target and attribute mix.
14109         Call save_restore_target_globals.
14110         * config/arm/arm-protos.h (save_restore_target_globals): New function.
14111
14112 2016-01-27  Martin Liska  <mliska@suse.cz>
14113
14114         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
14115         reference for an HSA kernel and its host function.
14116
14117 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
14118
14119         PR tree-optimization/69399
14120         * wide-int.h (wi::lrshift): For larger precisions, only
14121         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
14122
14123 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
14124
14125         * config/arc/predicates.md (proper_comparison_operator): Reject
14126         constant-constant comparison.
14127
14128 2016-01-26  Tom de Vries  <tom@codesourcery.com>
14129
14130         PR tree-optimization/69110
14131         * tree-data-ref.c (initialize_data_dependence_relation): Handle
14132         DR_NUM_DIMENSIONS == 0.
14133
14134 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
14135             Sebastian Pop  <s.pop@samsung.com>
14136
14137         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
14138         isl_ast_op_cond and isl_ast_op_select.
14139         (gcc_expression_from_isl_expr_op): Same.
14140
14141 2016-01-26  Jason Merrill  <jason@redhat.com>
14142
14143         PR c++/68782
14144         * tree.c (recompute_constructor_flags): Split out from
14145         build_constructor.
14146         (verify_constructor_flags): New.
14147         * tree.h: Declare them.
14148
14149 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14150
14151         PR rtl-optimization/69217
14152         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
14153         are no TYPE_FIELDS set for the record type.
14154
14155 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14156
14157         PR target/68662
14158         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
14159         toc_label_name unconditionally.
14160         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
14161         SYMBOL_REF string.  Use toc_label_name instead of constructing
14162         LCTOC1.
14163         (rs6000_elf_declare_function_name): Use toc_label_name instead of
14164         constructing LCTOC1.
14165
14166 2016-01-26  Martin Sebor  <msebor@redhat.com>
14167
14168         PR other/69477
14169         * doc/extend.texi (Common Type Attributes): Move text that talks about
14170         attribute packed from attribute aligned to the section discussing
14171         the former attribute for clarity.
14172
14173 2016-01-26  Richard Henderson  <rth@redhat.com>
14174
14175         PR middle-end/60908
14176         * trans-mem.c (tm_region_init): Mark entry block as visited.
14177
14178 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
14179
14180         PR other/69006
14181         * diagnostic-show-locus.c (layout::print_source_line): Replace
14182         call to pp_newline with call to layout::print_newline.
14183         (layout::print_annotation_line): Likewise.
14184         (layout::move_to_column): Likewise.
14185         (layout::print_any_fixits): After printing any fixits, print a
14186         trailing newline, if necessary.
14187         (layout::print_newline): New method, resetting any colorization
14188         before a newline.
14189         (diagnostic_show_locus): Move the pp_newline to before the
14190         early bailout.  Remove dummy block enclosing the layout instance.
14191         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
14192         of pp_newline_and_flush with pp_flush.
14193         (diagnostic_append_note): Delete use of pp_newline.
14194         (diagnostic_append_note_at_rich_loc): Delete.
14195         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
14196         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
14197         when newline characters are added to the buffer.
14198
14199 2016-01-26  Michael Matz  <matz@suse.de>
14200
14201         * configure.ac (ac_cv_std_swap_in_utility): New test.
14202         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
14203         * configure: Regenerate.
14204         * config.in: Regenerate.
14205
14206 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
14207
14208         * config/arc/arc.md (cstoresi4): Force operand into register.
14209         (arcset<code>): Fix predicate.
14210         (arcsetltu): Likewise.
14211         (arcsetgeu): Likewise.
14212         (arcsethi): Likewise.
14213         (arcsetls): Likewise.
14214
14215 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14216
14217         PR tree-optimization/69483
14218         * gimple-fold.c (canonicalize_constructor_val): Return NULL
14219         if base has error_mark_node type.
14220
14221 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
14222
14223         PR target/68620
14224         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
14225         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
14226         New helper macros.
14227         (vget_lane_f16): Handle big-endian.
14228         (vgetq_lane_f16): Likewise.
14229         (vset_lane_f16): Likewise.
14230         (vsetq_lane_f16): Likewise.
14231         * config/arm/iterators.md (VQXMOV): Add V8HF.
14232         (VDQ): Add V4HF and V8HF.
14233         (V_reg): Handle V4HF and V8HF.
14234         (Is_float_mode): Likewise.
14235         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
14236         neon_vdup_nv8hf): New patterns.
14237         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
14238         Use VD_LANE iterator.
14239         (neon_vld1_dup<mode>): Use VQ2 iterator.
14240
14241 2016-01-26  Nathan Sidwell  <nathan@acm.org>
14242
14243         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
14244         (set_oacc_fn_attrib): Add IS_KERNEL arg.
14245         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
14246         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
14247         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
14248         (oacc_validate_dims): Add LEVEL arg, don't return level.
14249         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
14250         oacc_validate_dims.
14251         (execute_oacc_device_lower): Adjust, add more dump output.
14252         * tree-ssa-loop.c (gate_oacc_kernels): Use
14253         oacc_fn_attrib_kernels_p.
14254         * tree-parloops.c (create_parallel_loop): Adjust
14255         set_oacc_fn_attrib call.
14256
14257 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14258
14259         PR lto/69254
14260         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
14261         (append_compiler_options): Handle -fcilkplus.
14262         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
14263
14264 2016-01-26  Nick Clifton  <nickc@redhat.com>
14265
14266         PR target/66655
14267         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
14268         been marked as DECL_ONE_ONLY but we do not the means to make it
14269         so, then do not allow it to bind locally.
14270
14271 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14272
14273         PR lto/69254
14274         * opts.h (parse_sanitizer_options): New prototype.
14275         * opts.c (sanitizer_opts): New array.
14276         (parse_sanitizer_options): New function.
14277         (common_handle_option): Use parse_sanitizer_options.
14278
14279 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
14280
14281         PR target/68986
14282         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
14283         alignment adjustment to ...
14284         (ix86_update_stack_boundary): Here.  Don't over-align stack for
14285         __tls_get_addr.
14286         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
14287         if __tls_get_addr is called.
14288
14289 2016-01-26  Christian Bruel  <christian.bruel@st.com>
14290
14291         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
14292
14293 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
14294
14295         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
14296
14297 2016-01-26  Richard Biener  <rguenther@suse.de>
14298
14299         PR middle-end/69467
14300         * match.pd: Guard X * CST CMP 0 pattern with single_use.
14301
14302 2016-01-26  Richard Biener  <rguenther@suse.de>
14303
14304         PR tree-optimization/69452
14305         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
14306         (move_computations_dom_walker::before_dom_children): Rename
14307         to ...
14308         (move_computations_worker): This.
14309         (move_computations): Perform an RPO rather than a DOM walk.
14310
14311 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14312
14313         PR target/69442
14314         * combine.c (combine_instructions): For REG_EQUAL note with
14315         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
14316         to the underlying register.
14317         * doc/rtl.texi (REG_EQUAL): Document the behavior of
14318         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
14319
14320 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
14321
14322         PR target/67896
14323         * config/aarch64/aarch64-builtins.c
14324         (aarch64_init_simd_builtin_types): Do not set structural
14325         equality to __Poly{8,16,64,128}_t types.
14326
14327 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
14328
14329         PR tree-optimization/69400
14330         * wide-int.cc (wi_pack): Take the precision as argument and
14331         perform canonicalization here rather than in the callers.
14332         Use the main loop to handle all full-width HWIs.  Add a
14333         zero HWI if in_len isn't a full result.
14334         (wi::divmod_internal): Update accordingly.
14335         (wi::mul_internal): Likewise.  Simplify.
14336
14337 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14338             Sebastian Pop  <s.pop@samsung.com>
14339
14340         * graphite-poly.c (apply_poly_transforms): Simplify.
14341         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
14342         (print_isl_map): Same.
14343         (print_isl_union_map): Same.
14344         (print_isl_schedule): New.
14345         (debug_isl_schedule): New.
14346         * graphite-dependences.c (scop_get_reads): Do not call
14347         isl_union_map_add_map that is undocumented isl functionality.
14348         (scop_get_must_writes): Same.
14349         (scop_get_may_writes): Same.
14350         (scop_get_original_schedule): Remove.
14351         (scop_get_dependences): Do not call isl_union_map_compute_flow that
14352         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
14353         (compute_deps): Remove.
14354         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
14355         (debug_schedule_ast): New.
14356         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
14357         set_separate_option.
14358         (graphite_regenerate_ast_isl): Add dump.
14359         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
14360         from scop->transformed_schedule.
14361         (graphite_regenerate_ast_isl): Add more dump.
14362         * graphite-optimize-isl.c (optimize_isl): Set
14363         scop->transformed_schedule.  Check whether schedules are equal.
14364         (apply_poly_transforms): Move here.
14365         * graphite-poly.c (apply_poly_transforms): ... from here.
14366         (free_poly_bb): Static.
14367         (free_scop): Static.
14368         (pbb_number_of_iterations_at_time): Remove.
14369         (print_isl_ast): New.
14370         (debug_isl_ast): New.
14371         (debug_scop_pbb): New.
14372         * graphite-scop-detection.c (print_edge): Move.
14373         (print_sese): Move.
14374         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
14375         (build_scop_scattering): Remove.
14376         (create_pw_aff_from_tree): Assert instead of bailing out.
14377         (add_condition_to_pbb): Remove unused code, do not fail.
14378         (add_conditions_to_domain): Same.
14379         (add_conditions_to_constraints): Remove.
14380         (build_scop_context): New.
14381         (add_iter_domain_dimension): New.
14382         (build_iteration_domains): Initialize pbb->iterators.
14383         Call add_conditions_to_domain.
14384         (nested_in): New.
14385         (loop_at): New.
14386         (index_outermost_in_loop): New.
14387         (index_pbb_in_loop): New.
14388         (outermost_pbb_in): New.
14389         (add_in_sequence): New.
14390         (add_outer_projection): New.
14391         (outer_projection_mupa): New.
14392         (add_loop_schedule): New.
14393         (build_schedule_pbb): New.
14394         (build_schedule_loop): New.
14395         (embed_in_surrounding_loops): New.
14396         (build_schedule_loop_nest): New.
14397         (build_original_schedule): New.
14398         (build_poly_scop): Call build_original_schedule.
14399         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
14400         (free_poly_dr): Remove.
14401         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
14402         (free_poly_bb): Remove.
14403         (debug_loop_vec): Remove.
14404         (print_isl_ast): Declare.
14405         (debug_isl_ast): Declare.
14406         (scop_do_interchange): Remove.
14407         (scop_do_strip_mine): Remove.
14408         (scop_do_block): Remove.
14409         (flatten_all_loops): Remove.
14410         (optimize_isl): Remove.
14411         (pbb_number_of_iterations_at_time): Remove.
14412         (debug_scop_pbb): Declare.
14413         (print_schedule_ast): Declare.
14414         (debug_schedule_ast): Declare.
14415         (struct scop): Remove schedule.  Add original_schedule,
14416         transformed_schedule.
14417         (free_gimple_poly_bb): Remove.
14418         (print_generated_program): Remove.
14419         (debug_generated_program): Remove.
14420         (unify_scattering_dimensions): Remove.
14421         * sese.c (print_edge): ... here.
14422         (print_sese): ... here.
14423         (debug_edge): ... here.
14424         (debug_sese): ... here.
14425         * sese.h (print_edge): Declare.
14426         (print_sese): Declare.
14427         (dump_edge): Declare.
14428         (dump_sese): Declare.
14429
14430 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14431             Sebastian Pop  <s.pop@samsung.com>
14432
14433         * Makefile.in: Set ISLVER in site.exp.
14434
14435 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
14436
14437         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
14438         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
14439         through DECL_VALUE_EXPR for expansion.
14440
14441 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14442
14443         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
14444         the frame info after reload completed.
14445
14446 2016-01-25  Jeff Law  <law@redhat.com>
14447
14448         PR tree-optimization/69196
14449         PR tree-optimization/68398
14450         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
14451         tree-ssa-threadupdate.c.
14452         (determine_bb_domination_status): Prototype
14453         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
14454         (determine_bb_domination_status): No longer static.
14455         (valid_jump_thread_path): Remove code to detect characteristics
14456         of the jump thread path not associated with correctness.
14457         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
14458         Correct test for thread path length.  Count PHIs for real operands as
14459         statements that need to be copied.  Do not count ASSERT_EXPRs.
14460         Look at all the blocks in the thread path.  Compute and selectively
14461         filter thread paths based on threading through the latch, threading
14462         a multiway branch or crossing a multiway branch.
14463
14464 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14465
14466         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
14467         decl with __attribute__ ((unused)) annotation.
14468
14469 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
14470
14471         PR target/69421
14472         * tree-vect-stmts.c (vectorizable_condition): Check vectype
14473         of operands is compatible with a statement vectype.
14474
14475 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14476
14477         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
14478         improve wording for mixed storage order support.
14479
14480 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
14481
14482         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
14483         (vcvt_u64_f64): Likewise.
14484         (vcvta_s64_f64): Likewise.
14485         (vcvta_u64_f64): Likewise.
14486         (vcvtm_s64_f64): Likewise.
14487         (vcvtm_u64_f64): Likewise.
14488         (vcvtn_s64_f64): Likewise.
14489         (vcvtn_u64_f64): Likewise.
14490         (vcvtp_s64_f64): Likewise.
14491         (vcvtp_u64_f64): Likewise.
14492
14493 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
14494
14495         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
14496         (arc_init): Check validity mll64 option.
14497         (arc_save_restore): Use double load/store instruction.
14498         (arc_expand_movmem): Likewise.
14499         (arc_split_move): Don't split if we have double load/store
14500         instructions. Returns a boolean.
14501         (arc_process_double_reg_moves): Change function to return boolean
14502         instead of a sequence of instructions.
14503         (arc_dwarf_register_span): New function.
14504         * config/arc/arc-protos.h (arc_split_move): Change prototype.
14505         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14506         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14507         (*movdf_insn): Likewise.
14508         * config/arc/arc.opt (mll64): New option.
14509         * config/arc/predicates.md (even_register_operand): New predicate.
14510         * doc/invoke.texi (ARC Options): Add mll64 documentation.
14511
14512 2016-01-25  Richard Biener  <rguenther@suse.de>
14513
14514         PR lto/69393
14515         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
14516         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
14517         DECL_NAMELESS.
14518         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
14519
14520 2016-01-25  Richard Biener  <rguenther@suse.de>
14521
14522         PR tree-optimization/69376
14523         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
14524         flag.
14525         (VN_INFO_ANTI_RANGE_P): New inline.
14526         (VN_INFO_RANGE_TYPE): Likewise.
14527         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
14528         SSA_NAME_ANTI_RANGE_P.
14529         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
14530         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14531         Properly query VN_INFO_RANGE_TYPE.
14532
14533 2016-01-25  Nick Clifton  <nickc@redhat.com>
14534
14535         PR target/66655
14536         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
14537
14538 2016-01-23  Tom de Vries  <tom@codesourcery.com>
14539
14540         PR tree-optimization/69426
14541         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
14542         removed clobber.
14543
14544 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
14545
14546         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
14547         "the the" with "the" in the comments.
14548         * ipa-devirt.c (build_type_inheritance_graph,
14549         update_type_inheritance_graph): Likewise.
14550         * tree.c (build_function_type_list_1): Likewise.
14551         * cfgloopmanip.c (scale_loop_profile): Likewise.
14552         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
14553         * gimple-ssa-split-paths.c
14554         (find_block_to_duplicate_for_splitting_paths): Likewise.
14555         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
14556         * expr.c (convert_move): Likewise.
14557         * var-tracking.c (vt_stack_adjustments): Likewise.
14558         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
14559         * tree-vrp.c (test_for_singularity): Likewise.
14560
14561         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
14562         directly instead of building a temporary tree.
14563
14564         PR bootstrap/69434
14565         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
14566         remove <algorithm> include.
14567
14568 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14569
14570         PR target/69432
14571         * config/i386/i386.c: Include dojump.h.
14572         (expand_small_movmem_or_setmem,
14573         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
14574         fixes.
14575         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
14576         if dynamic_check != -1.
14577
14578 2016-01-21  Jeff Law  <law@redhat.com>
14579
14580         PR middle-end/69347
14581         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
14582         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
14583         into dominated_by_p.
14584         (cprop_into_successor_phis): Avoid unnecessary tests.
14585
14586 2016-01-22  Richard Henderson  <rth@redhat.com>
14587
14588         PR target/69416
14589         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
14590         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
14591
14592 2016-01-22  Michael Matz  <matz@suse.de>
14593
14594         * system.h (string, algorithm): Include only conditionally.
14595         (new): Include always under C++.
14596         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14597         * final.c (toplevel): Ditto.
14598         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14599         * genconditions.c (write_header): Make gencondmd.c define
14600         INCLUDE_STRING.
14601         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14602
14603         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14604         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14605
14606 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14607
14608         PR target/68674
14609         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14610
14611 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14612
14613         PR target/69403
14614         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14615         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14616         get assigned the same register.
14617
14618 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14619
14620         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14621
14622 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14623
14624         * config/arm/arm-c.c (arm_pragma_target_parse):
14625         Remove warn_builtin_macro_redefined overwrite.
14626
14627 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14628
14629         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14630         flag_non_call_exceptions compatibility.
14631
14632 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14633
14634         PR debug/66668
14635         * dwarf2out.c (add_child_die_after): New function.
14636         (dwarf_qual_info_t): New type.
14637         (dwarf_qual_info): New variable.
14638         (qualified_die_p): New function.
14639         (modified_type_die): For -fdebug-types-section, ensure
14640         canonical order of qualifiers.  Put qualified DIEs adjacent
14641         to the corresponding non-qualified type DIE and search there
14642         for existing qualified DIEs.
14643
14644 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14645
14646         * doc/extend.texi (scalar_storage_order type attribute): Document
14647         restriction on type punning and aliasing, and remove future tense.
14648
14649 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14650
14651         PR target/69252
14652         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14653         first stage.
14654
14655 2016-01-21  Jeff Law  <law@redhat.com>
14656
14657         PR middle-end/69347
14658         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14659         useless call to record_temporary_equivalences.
14660         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14661         allocate 10 slots in the bb_path vector and let it grow as needed.
14662         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14663         vector.
14664
14665 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14666
14667         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14668         Detangle.
14669         * configure: Regenerate.
14670
14671 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14672
14673         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14674         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14675
14676 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14677
14678         PR middle-end/66178
14679         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14680         drop EXPAND_INITIALIZER.
14681         * rtl.h (contains_symbolic_reference_p): Declare.
14682         * rtlanal.c (contains_symbolic_reference_p): New function.
14683         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14684         a subtraction into a NOT if symbolic constants are involved.
14685
14686 2016-01-21  Anton Blanchard  <anton@samba.org>
14687             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14688
14689         PR target/63354
14690         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14691         #define.
14692         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14693         function.
14694
14695 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14696
14697         * config/microblaze/microblaze.c
14698         (get_branch_target): New.
14699         (insert_wic_for_ilb_runout): New.
14700         (insert_wic): New.
14701         (microblaze_machine_dependent_reorg): New.
14702         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14703         * config/microblaze/microblaze.md
14704         (UNSPEC_IPREFETCH): Define.
14705         (iprefetch): New pattern
14706         * config/microblaze/microblaze.opt
14707         (mxl-prefetch): New flag.
14708
14709 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14710
14711         * config/microblaze/microblaze.h
14712         (FIXED_REGISTERS): Update in macro.
14713         (CALL_USED_REGISTERS): Update in macro.
14714
14715 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14716
14717         PR rtl-optimization/68920
14718         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14719         moves.
14720
14721 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14722
14723         PR rtl-optimization/68990
14724         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14725         pseudo instead of inheritance ones.
14726
14727 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14728             Nick Clifton  <nickc@redhat.com>
14729
14730         PR target/69129
14731         PR target/69012
14732         * config/mips/mips.c (mips_compute_frame_info): Initialise
14733         args_size and hard_frame_pointer_offset fields of the frame
14734         structure before calling mips_global_pointer.
14735
14736 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14737
14738         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14739         label reference.
14740         * configure: Regenerate.
14741
14742 2016-01-21  Richard Biener  <rguenther@suse.de>
14743
14744         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14745
14746 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14747
14748         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14749         to actually emit the .size directive.
14750
14751 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14752              Jakub Jelinek  <jakub@redhat.com>
14753
14754         PR target/69187
14755         PR target/65624
14756         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14757         args array size by one to avoid buffer overflow.
14758
14759 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14760
14761         * config/s390/s390.md (pool_section_start): Use switch_to_section
14762         to select proper read-only data section instead of hardcoding
14763         .rodata.
14764         (pool_section_end): Use switch_to_section to match the above.
14765
14766 2016-01-21  Richard Biener  <rguenther@suse.de>
14767
14768         PR tree-optimization/69378
14769         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14770         (set_ssa_val_to): Use it for dominance checks taking into
14771         account not executable edges.
14772
14773 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14774
14775         PR c++/69355
14776         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14777         for bitsize instead of GET_MODE_PRECISION (mode).
14778
14779 2016-01-20  Martin Sebor  <msebor@redhat.com>
14780
14781         PR c/52291
14782         * extend.texi (__sync Builtins): Clarify the semantics of
14783         __sync_fetch_and_OP built-ins on pointers.
14784         (__atomic Builtins): Same.
14785
14786 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14787             Sebastian Pop  <s.pop@samsung.com>
14788
14789         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14790         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14791         (is_valid_rename): Same.
14792         (translate_isl_ast_to_gimple::get_rename): Same.
14793         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14794         (translate_isl_ast_to_gimple::rename_uses): Same.
14795         (get_new_name): Check for close_phi nodes.
14796         (copy_loop_phi_args): Use phi_node_kind.
14797         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14798         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14799
14800 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14801             Sebastian Pop  <s.pop@samsung.com>
14802
14803         Revert commit r229783.
14804         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14805         Remove use of parameter_rename_map.
14806         (copy_def): Remove.
14807         (copy_internal_parameters): Remove.
14808         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14809         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14810         (free_sese_info): Do not free parameter_rename_map.
14811         (set_rename): Do not use parameter_rename_map.
14812         (rename_uses): Update call to set_rename.
14813         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14814         * sese.h (parameter_rename_map_t): Remove.
14815         (struct sese_info_t): Remove field parameter_rename_map.
14816
14817 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14818             Sebastian Pop  <s.pop@samsung.com>
14819
14820         * graphite-isl-ast-to-gimple.c: Fix comment.
14821         * graphite-scop-detection.c (defined_in_loop_p): New.
14822         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14823         names defined in loop.
14824
14825 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14826             Sebastian Pop  <s.pop@samsung.com>
14827
14828         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14829         Discard unstructured if-then-else regions.
14830
14831 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14832             Sebastian Pop  <s.pop@samsung.com>
14833
14834         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14835         (cleanup_loop_iter_dom): Remove.
14836         (build_loop_iteration_domains): Remove.
14837         (build_scop_context): Remove.
14838         (build_scop_iteration_domain): Remove.
14839         (add_loop_constraints): New.
14840         (build_iteration_domains): New.
14841         (build_poly_scop): Call build_iteration_domains.
14842
14843 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14844             Sebastian Pop  <s.pop@samsung.com>
14845
14846         * graphite-scop-detection.c
14847         (scop_detection::harmful_loop_in_region): Free dom and loops.
14848         (scop_detection::loop_body_is_valid_scop): Free bbs.
14849
14850 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14851             Sebastian Pop  <s.pop@samsung.com>
14852
14853         * graphite-scop-detection.c (record_loop_in_sese): New.
14854         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14855         (build_scops): Remove call to build_sese_loop_nests.
14856         * sese.c (sese_record_loop): Remove.
14857         (build_sese_loop_nests): Remove.
14858         (new_sese_info): Remove region->loops.
14859         (free_sese_info): Same.
14860         * sese.h (sese_contains_loop): Same.
14861         (build_sese_loop_nests): Remove.
14862         (sese_contains_loop): Remove.
14863
14864 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14865             Sebastian Pop  <s.pop@samsung.com>
14866
14867         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14868         loop_is_valid_in_scop.
14869         (scop_detection::harmful_stmt_in_region): Renamed
14870         harmful_loop_in_region.
14871         Call loop_is_valid_in_scop.
14872
14873 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14874             Sebastian Pop  <s.pop@samsung.com>
14875
14876         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14877         isl_ast_node_mark.
14878
14879 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14880             Sebastian Pop  <s.pop@samsung.com>
14881
14882         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14883         * graphite.h (struct poly_bb): Remove field is_reduction.
14884         (PBB_IS_REDUCTION): Remove.
14885
14886 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14887             Sebastian Pop  <s.pop@samsung.com>
14888
14889         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14890         (add_pdr_constraints): Same.
14891         (scop_get_reads): Same.
14892         (scop_get_must_writes): Same.
14893         (scop_get_may_writes): Same.
14894         (scop_get_original_schedule): Same.
14895         (extend_schedule): Same.
14896         (apply_schedule_on_deps): Same.
14897         (carries_deps): Same.
14898         (compute_deps): Same.
14899         (scop_get_dependences): Same.
14900         * graphite-isl-ast-to-gimple.c
14901         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14902         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14903         (get_schedule_for_band_list): Same.
14904         (get_schedule_map): Same.
14905         (apply_schedule_map_to_scop): Same.
14906         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14907         (build_loop_iteration_domains): Same.
14908         (add_condition_to_pbb): Same.
14909         (add_param_constraints): Same.
14910         (pdr_add_memory_accesses): Same.
14911         (pdr_add_data_dimensions): Same.
14912
14913 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14914
14915         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14916         requirements.
14917
14918 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14919
14920         * common.opt (feliminate-dwarf2-dups): Replace references to
14921         "DWARF 2" with just "DWARF".
14922         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14923         * doc/extend.texi: Likewise.
14924         * doc/cpp.texi: Likewise.
14925         * doc/invoke.texi: Likewise.
14926         (Option Summary): Add -gdwarf to list of Debugging Options.
14927         (Debugging Options): Document -gdwarf.
14928         * doc/contrib.texi: Spell "DWARF" like that.
14929
14930 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14931
14932         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14933         warning.  Fix up formatting.
14934
14935         PR middle-end/67653
14936         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14937         attempt to mark memory input operand addressable and
14938         call prepare_gimple_addressable in that case.  Don't adjust
14939         input_location for diagnostics, use error_at instead.
14940
14941 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14942
14943         * config/rs6000/ppc-auxv.h: New file.
14944         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14945         (cpu_is): Likewise.
14946         (cpu_supports): Likewise.
14947         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14948         (cpu_is_info): New variable.
14949         (cpu_supports_info): Likewise.
14950         (tcb_verification_symbol): Likewise.
14951         (cpu_builtin_p): Likewise.
14952         (cpu_expand_builtin): New function.
14953         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14954         (rs6000_init_builtins): Likewise.
14955         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14956         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14957         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14958         * configure: Regenerate.
14959         * config.in: Likewise.
14960         * doc/extend.texi (PowerPC Built-in Functions): Document
14961         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14962
14963 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14964
14965         PR target/68609
14966         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14967         domain check.
14968         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14969         for V4SFmode.
14970
14971 2016-01-20  Richard Henderson  <rth@redhat.com>
14972
14973         PR bootstrap/69343
14974         PR bootstrap/69339
14975         PR tree-opt/68964
14976         Revert:
14977         * tree.c (tm_define_builtin): New.
14978         (find_tm_vector_type): New.
14979         (build_tm_vector_builtins): New.
14980         (build_common_builtin_nodes): Call it.
14981
14982 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14983
14984         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14985         (arm_fp_ok): Likewise.
14986         (arm_fp): Likewise.
14987         (arm_crypto): Likewise.
14988
14989 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14990             Richard Biener  <rguenther@suse.de>
14991
14992         PR tree-optimization/69328
14993         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14994         vectors have same number of elements.
14995         (vectorizable_condition): Fix masked version recognition.
14996
14997 2016-01-20  Richard Biener  <rguenther@suse.de>
14998
14999         PR tree-optimization/69345
15000         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
15001         (VN_INFO_PTR_INFO): Likewise.
15002         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
15003         info when it is equal between non-dominating SSA names.
15004         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15005         Make sure to look at original SSA infos.
15006
15007 2016-01-20  Jeff Law  <law@redhat.com>
15008
15009         PR target/25114
15010         * config/m68k/predicates.md (pow2_m1_operand): New predicate
15011         extracted from ...
15012         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
15013         (pc_or_label_operand): New predicate.
15014         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
15015         tests for small integers that are 2^n - 1.
15016
15017 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
15018
15019         * doc/invoke.texi (Options Summary): Add '.' after @xref.
15020
15021 2016-01-19  Jeff Law  <law@redhat.com>
15022
15023         PR middle-end/69347
15024         * tree-ssa-threadbackwards.c
15025         (fsm_find_control_statement_thread_paths): Do not try to lookup
15026         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
15027
15028 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
15029
15030         * doc/lto.texi: Remove text that says only Gold has linker plugin
15031         support.
15032
15033 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
15034
15035         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
15036         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
15037         the DIE accordingly.
15038         (modified_type_die): Add REVERSE parameter and pass it recursively,
15039         as well as to base_type_die.  Adjust presence check accordingly.
15040         (base_type_for_mode): Adjust call to modified_type_die.
15041         (add_type_attribute): Add REVERSE parameter and pass it to
15042         modified_type_die.
15043         (generic_parameter_die): Adjust call to add_type_attribute.
15044         (add_scalar_info): Likewise.
15045         (add_subscript_info): Likewise.
15046         (gen_array_type_die): Likewise.
15047         (gen_descr_array_type_die): Likewise.
15048         (gen_entry_point_die): Likewise.
15049         (gen_enumeration_type_die): Likewise.
15050         (gen_formal_parameter_die): Likewise.
15051         (gen_subprogram_die): Likewise.
15052         (gen_variable_die ): Likewise.
15053         (gen_const_die): Likewise.
15054         (gen_field_die): Likewise.
15055         (gen_pointer_type_die): Likewise.
15056         (gen_reference_type_die): Likewise.
15057         (gen_ptr_to_mbr_type_die): Likewise.
15058         (gen_inheritance_die): Likewise.
15059         (gen_subroutine_type_die): Likewise.
15060         (gen_typedef_die): Likewise.
15061         (force_type_die): Adjust call to modified_type_die.
15062
15063 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
15064
15065         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
15066         flow throughout the file.  Fix broken link to Objective-C 2.0
15067         documentation.
15068         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
15069         errors.
15070
15071 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
15072
15073         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
15074
15075 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15076
15077         PR ipa/66223
15078         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
15079         (maybe_record_node): Record cxa_pure_virtual as the only possible
15080         target if there are not ohter candidates.
15081         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
15082
15083 2016-01-19  Richard Biener  <rguenther@suse.de>
15084
15085         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
15086         (get_memory_order): Likewise.
15087
15088 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
15089
15090         * tree-vect-stmts.c (vectorizable_store): Check
15091         rhs vectype.
15092
15093 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
15094
15095         PR jit/68446
15096         * gcc.c (driver::decode_argv): Add call to
15097         init_opts_obstack before init_options_struct.
15098         * opts.c (init_opts_obstack): Remove idempotency.
15099         (init_options_struct): Replace call to init_opts_obstack
15100         with a gcc_assert to verify that it has already been called.
15101         * toplev.c (toplev::main): Add call to init_opts_obstack before
15102         calls to init_options_struct.
15103         (toplev::finalize): Move cleanup of opts_obstack next to
15104         cleanup of save_decoded_options, clearing the latter, and
15105         save_decoded_options_count.
15106
15107 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15108
15109         PR target/69135
15110         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
15111         attribute to unconditional.  Remove %? from output template.
15112
15113 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
15114             Jiong Wang  <jiong.wang@arm.com>
15115
15116         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
15117         generated from different expand order.
15118
15119 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
15120
15121         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
15122         Add support for CCMP costing.
15123
15124 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
15125
15126         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
15127         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
15128         (fccmpe<mode>): Likewise.
15129         (fcmp): Rename to fcmp and globalize pattern.
15130         (fcmpe): Likewise.
15131         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
15132         (aarch64_gen_ccmp_next): Add FP support.
15133
15134 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
15135
15136         * target.def (gen_ccmp_first): Update documentation.
15137         (gen_ccmp_next): Likewise.
15138         * doc/tm.texi (gen_ccmp_first): Update documentation.
15139         (gen_ccmp_next): Likewise.
15140         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
15141         expand_ccmp_expr_1.  Improve comments.
15142         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
15143         (ccmp_ior<mode>): Remove pattern.
15144         (cmp<mode>): Remove expand.
15145         (cmp): Globalize pattern.
15146         (cstorecc4): Use cc_register.
15147         (mov<mode>cc): Remove ccmp_cc_register check.
15148         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
15149         Simplify after removal of CC_DNE/* modes.
15150         (aarch64_ccmp_mode_to_code): Remove.
15151         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
15152         In 'k' case use integer as condition.
15153         (aarch64_nzcv_codes): Remove inverted cases.
15154         (aarch64_code_to_ccmode): Remove.
15155         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
15156         comparison with CC register to be used in folowing CCMP/branch/CSEL.
15157         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
15158         pattern.  Return the comparison with CC register.  Invert conditions
15159         when bitcode is OR.
15160         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
15161         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
15162
15163 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15164
15165         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15166         instrumented_version.
15167
15168 2016-01-19  Richard Biener  <rguenther@suse.de>
15169
15170         PR tree-optimization/69336
15171         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
15172         handled components with get_ref_base_and_extent.
15173         (equal_mem_array_ref_p): Adjust.
15174
15175 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15176
15177         PR debug/65779
15178         * shrink-wrap.c: Include valtrack.h.
15179         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
15180         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
15181         in between insn and where it will be moved to.  Call
15182         dead_debug_insert_temp.
15183         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
15184         first and dead_debug_local_finish at the end.
15185         For uses and defs bitmap, handle all regs in between REGNO and
15186         END_REGNO, not just the first one.
15187
15188 2016-01-19  Richard Biener  <rguenther@suse.de>
15189
15190         PR tree-optimization/69352
15191         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
15192         (equal_mem_array_ref_p): Constrain size and max size properly.
15193         Compare the reverse flag.
15194
15195 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
15196
15197         * ira.c (ira): Update regstat data if we deleted insns.
15198
15199 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15200
15201         PR rtl-optimization/68955
15202         PR rtl-optimization/64557
15203         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
15204         here.  Fix up formatting.
15205         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
15206
15207 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15208
15209         PR lto/69133
15210         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
15211         assume that the node has body.
15212         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
15213         check.
15214
15215 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15216
15217         * lto-streamer-out.c (lto_output): Do not stream instrumentation
15218         thunks.
15219
15220 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15221
15222         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
15223         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
15224
15225 2016-01-19  Martin Jambor  <mjambor@suse.cz>
15226             Martin Liska  <mliska@suse.cz>
15227             Michael Matz  <matz@suse.de>
15228
15229         * Makefile.in (OBJS): Add new source files.
15230         (GTFILES): Add hsa.c.
15231         * common.opt (disable_hsa): New variable.
15232         (-Whsa): New warning.
15233         * config.in (ENABLE_HSA): New.
15234         * configure.ac: Treat hsa differently from other accelerators.
15235         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
15236         $enable_offloading.
15237         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
15238         * doc/install.texi (Configuration): Document --with-hsa-runtime,
15239         --with-hsa-runtime-include, --with-hsa-runtime-lib and
15240         --with-hsa-kmt-lib.
15241         * doc/invoke.texi (-Whsa): Document.
15242         (hsa-gen-debug-stores): Likewise.
15243         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
15244         to invoke offload compiler for hsa acclerator.
15245         * opts.c (common_handle_option): Determine whether HSA offloading
15246         should be performed.
15247         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
15248         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
15249         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
15250         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
15251         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
15252         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
15253         GF_OMP_FOR_KIND_GRID_LOOP.
15254         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
15255         (pp_gimple_stmt_1): Likewise.
15256         * gimple-walk.c (walk_gimple_stmt): Likewise.
15257         * gimple.c (gimple_build_omp_grid_body): New function.
15258         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
15259         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
15260         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
15261         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
15262         GF_OMP_TEAMS_GRID_PHONY.
15263         (gimple_statement_omp_single_layout): Updated comments.
15264         (gimple_build_omp_grid_body): New function.
15265         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
15266         (gimple_omp_for_grid_phony): New function.
15267         (gimple_omp_for_set_grid_phony): Likewise.
15268         (gimple_omp_parallel_grid_phony): Likewise.
15269         (gimple_omp_parallel_set_grid_phony): Likewise.
15270         (gimple_omp_teams_grid_phony): Likewise.
15271         (gimple_omp_teams_set_grid_phony): Likewise.
15272         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
15273         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
15274         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
15275         (BUILT_IN_GOMP_TARGET): Updated type.
15276         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
15277         (adjust_for_condition): New function.
15278         (get_omp_for_step_from_incr): Likewise.
15279         (extract_omp_for_data): Moved parts to adjust_for_condition and
15280         get_omp_for_step_from_incr.
15281         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
15282         (fixup_child_record_type): Bail out if receiver_decl is NULL.
15283         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
15284         (scan_omp_parallel): Do not create child functions for phony
15285         constructs.
15286         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
15287         (scan_omp_1_op): Checking assert we are not remapping to
15288         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
15289         (parallel_needs_hsa_kernel_p): New function.
15290         (expand_parallel_call): Register apprpriate parallel child
15291         functions as HSA kernels.
15292         (grid_launch_attributes_trees): New type.
15293         (grid_attr_trees): New variable.
15294         (grid_create_kernel_launch_attr_types): New function.
15295         (grid_insert_store_range_dim): Likewise.
15296         (grid_get_kernel_launch_attributes): Likewise.
15297         (get_target_argument_identifier_1): Likewise.
15298         (get_target_argument_identifier): Likewise.
15299         (get_target_argument_value): Likewise.
15300         (push_target_argument_according_to_value): Likewise.
15301         (get_target_arguments): Likewise.
15302         (expand_omp_target): Call get_target_arguments instead of looking
15303         up for teams and thread limit.
15304         (grid_expand_omp_for_loop): New function.
15305         (grid_arg_decl_map): New type.
15306         (grid_remap_kernel_arg_accesses): New function.
15307         (grid_expand_target_kernel_body): New function.
15308         (expand_omp): Call it.
15309         (lower_omp_for): Do not emit phony constructs.
15310         (lower_omp_taskreg): Do not emit phony constructs but create for them
15311         a temporary variable receiver_decl.
15312         (lower_omp_taskreg): Do not emit phony constructs.
15313         (lower_omp_teams): Likewise.
15314         (lower_omp_grid_body): New function.
15315         (lower_omp_1): Call it.
15316         (grid_reg_assignment_to_local_var_p): New function.
15317         (grid_seq_only_contains_local_assignments): Likewise.
15318         (grid_find_single_omp_among_assignments_1): Likewise.
15319         (grid_find_single_omp_among_assignments): Likewise.
15320         (grid_find_ungridifiable_statement): Likewise.
15321         (grid_target_follows_gridifiable_pattern): Likewise.
15322         (grid_remap_prebody_decls): Likewise.
15323         (grid_copy_leading_local_assignments): Likewise.
15324         (grid_process_kernel_body_copy): Likewise.
15325         (grid_attempt_target_gridification): Likewise.
15326         (grid_gridify_all_targets_stmt): Likewise.
15327         (grid_gridify_all_targets): Likewise.
15328         (execute_lower_omp): Call grid_gridify_all_targets.
15329         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
15330         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
15331         (tree_omp_clause): Added union field dimension.
15332         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
15333         * tree.c (omp_clause_num_ops): Added number of arguments of
15334         OMP_CLAUSE__GRIDDIM_.
15335         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
15336         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
15337         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
15338         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
15339         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
15340         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
15341         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
15342         * tree-pass.h (make_pass_gen_hsail): Declare.
15343         (make_pass_ipa_hsa): Likewise.
15344         * ipa-hsa.c: New file.
15345         * lto-section-in.c (lto_section_name): Add hsa section name.
15346         * lto-streamer.h (lto_section_type): Add hsa section.
15347         * timevar.def (TV_IPA_HSA): New.
15348         * hsa-brig-format.h: New file.
15349         * hsa-brig.c: New file.
15350         * hsa-dump.c: Likewise.
15351         * hsa-gen.c: Likewise.
15352         * hsa.c: Likewise.
15353         * hsa.h: Likewise.
15354         * toplev.c (compile_file): Call hsa_output_brig.
15355         * hsa-regalloc.c: New file.
15356
15357 2016-01-18  Jeff Law  <law@redhat.com>
15358
15359         PR tree-optimization/69320
15360         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
15361         ranged object, do nothing if the RHS constant is not [0..1].
15362         (optimize_stmt): Comparing a boolean ranged object against a
15363         constant outside [0..1] results in a compile-time constant.
15364
15365         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
15366         test.
15367
15368 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
15369
15370         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15371         (Option Summary): Update to reflect new section and moved options.
15372         (C++ Dialect Options): Move -fstats to new section.
15373         (Debugging Options): Move all dump, statistics, and other GCC
15374         developer options to new section.  Rewrite section introduction
15375         and re-order remaining options to put the more basic ones first.
15376         (Optimization Options): Move -fira-verbose and -flto-report* to
15377         new section.
15378         (Developer Options): New section incorporating moved options.
15379         * doc/cppopts.texi (-dM): Update cross-reference.
15380
15381 2016-01-18  Richard Henderson  <rth@redhat.com>
15382
15383         PR target/69176
15384         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
15385         operands to pseudo only if CSE is expected.  Split long immediate
15386         operands only after reload, and for the stack pointer.
15387         (*add<GPI>3_pluslong): Remove.
15388         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
15389         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
15390         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
15391         (*add<GPI>3 peepholes): New.
15392         (*add<GPI>3 splitters): New.
15393         * config/aarch64/constraints.md (Upl): New.
15394         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
15395
15396 2016-01-18  Richard Biener  <rguenther@suse.de>
15397
15398         PR tree-optimization/69297
15399         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
15400         stmt at most once.
15401         (vect_bb_vectorization_profitable_p): Clear visited flag again.
15402
15403 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
15404
15405         PR middle-end/68542
15406         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
15407         of mixind vector and scalar types.
15408         (fold_relational_const): Add handling of vector
15409         comparison with boolean result.
15410         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
15411         comparison of vector operands with boolean result for EQ/NE only.
15412         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
15413         (verify_gimple_cond): Likewise.
15414         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
15415         valid type of VAL.
15416
15417 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
15418
15419         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
15420         !TARGET_OCTEON.
15421
15422 2016-01-18  Richard Biener  <rguenther@suse.de>
15423
15424         PR middle-end/69308
15425         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
15426
15427 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15428
15429         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
15430
15431 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15432
15433         * omp-low.c (set_oacc_fn_attrib): Make extern.
15434         * omp-low.h (set_oacc_fn_attrib): Declare.
15435         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
15436         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
15437         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
15438         Add and handle function parameter oacc_kernels_p.
15439         (find_reduc_addr, get_omp_data_i_param): New function.
15440         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
15441         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
15442         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
15443         Calculate dominance info.  Skip loops that are not in a kernels region
15444         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
15445         (pass_parallelize_loops::execute): Call parallelize_loops with
15446         oacc_kernels_p argument.
15447         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
15448         New member function.
15449         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
15450         * passes.def: Add argument to pass_parallelize_loops instantation.
15451
15452 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15453
15454         * tree-parloops.c (pass_parallelize_loops::execute): Allow
15455         pass_parallelize_loops to be run outside the loop pipeline.
15456
15457 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15458
15459         * tree-scalar-evolution.c (follow_copies_to_constant): New.
15460         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
15461
15462 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15463
15464         PR target/63679
15465         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
15466         using get_ref_base_and_extent.
15467         (equal_mem_array_ref_p): New.
15468         (hashable_expr_equal_p): Add call to previous.
15469
15470 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15471
15472         PR target/63679
15473         * tree-sra.c (disqualified_constants, constant_decl_p): New.
15474         (sra_initialize): Allocate disqualified_constants.
15475         (sra_deinitialize): Free disqualified_constants.
15476         (disqualify_candidate): Update disqualified_constants when appropriate.
15477         (create_access): Scan for constant-pool entries as we go along.
15478         (scalarizable_type_p): Add check against type_contains_placeholder_p.
15479         (maybe_add_sra_candidate): Allow constant-pool entries.
15480         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
15481         (initialize_constant_pool_replacements): New.
15482         (sra_modify_assign): Avoid mangling assignments created by previous,
15483         and don't generate writes into constant pool.
15484         (sra_modify_function_body): Call initialize_constant_pool_replacements.
15485
15486 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
15487
15488         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
15489         andnot instruction.
15490         (scalar_chain::convert_op): Likewise.
15491         * config/i386/i386.md (*andndi3_doubleword): New.
15492
15493 2016-01-18  Richard Biener  <rguenther@suse.de>
15494
15495         PR tree-optimization/69170
15496         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
15497         building a vector from scalar results of a pattern stmt.
15498
15499 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
15500
15501         * haifa-sched.c (autopref_multipass_init): Work around
15502         -Wmaybe-uninitialized warning.
15503
15504 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15505
15506         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15507         against the constant 0.
15508
15509 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15510
15511         PR tree-optimization/68799
15512         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15513         look up phi candidates in the statement-candidate map.
15514         (phi_add_costs): Likewise.
15515         (record_phi_increments): Likewise.
15516         (phi_incr_cost): Likewise.
15517         (ncd_with_phi): Likewise.
15518         (all_phi_incrs_profitable): Likewise.
15519
15520 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
15521
15522         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
15523         -Wmaybe-uninitialized warning.
15524
15525 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
15526
15527         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15528         (Option Summary): Update to reflect new section and moved options.
15529         (C++ Dialect Options): Move -fvtable-verify and related options.
15530         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
15531         and profiling-related options.
15532         (Optimization Options): Move profile generation options and
15533         -fstack-protector and related options.
15534         (Instrumentation Options): New section incorporating moved options.
15535         (Code Generation Options): Move -finstrument-functions and
15536         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
15537
15538 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15539
15540         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
15541
15542 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15543
15544         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
15545
15546 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
15547
15548         * hash-table.h (hash_table::empty): Turn into an inline wrapper
15549         that checks whether the table is already empty.  Rename the
15550         original implementation to...
15551         (hash_table::empty_slot): ...this new private function.
15552
15553 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
15554
15555         PR diagnostic/68899
15556         * diagnostic-show-locus.c (layout::print_source_line): Move x
15557         offset of line until after call to
15558         get_line_width_without_trailing_whitespace.
15559
15560 2016-01-15  Jeff Law  <law@redhat.com>
15561
15562         PR tree-optimization/69270
15563         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
15564         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
15565         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
15566         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
15567         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
15568         ssa_name_has_boolean_range and constant_boolean_node.
15569
15570 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
15571
15572         PR rtl-optimization/69030
15573         * lra-spills.c (remove_pseudos): Check nrefs and make the function
15574         returning bool.
15575         (spill_pseudos): Delete debug insn for dead pseudo.
15576         (lra_spill): Initiate spill_hard_reg and slots memory separately.
15577
15578 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
15579
15580         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
15581         New.
15582         (TYPES_UNOPUS): Likewise.
15583         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
15584         builtin type, from UNOP to UNOPUS.
15585         (lbtruncuv4sf): Likewise.
15586         (lbtruncuv2df): Likewise.
15587         (lrounduv2sf): Likewise.
15588         (lrounduv4sf): Likewise.
15589         (lrounduv2df): Likewise.
15590         (lroundusf): Likewise.
15591         (lroundusf): Likewise.
15592         (lceiluv2sf): Likewise.
15593         (lceiluv4sf): Likewise.
15594         (lceiluv2df): Likewise.
15595         (lceilusf): Likewise.
15596         (lceiludf): Likewise.
15597         (lflooruv2sf): Likewise.
15598         (lflooruv4sf): Likewise.
15599         (lflooruv2df): Likewise.
15600         (lfloorusf): Likewise.
15601         (lfloorudf): Likewise.
15602         (lfrintnuv2sf): Likewise.
15603         (lfrintnuv4sf): Likewise.
15604         (lfrintnuv2df): Likewise.
15605         (lfrintnusf): Likewise.
15606         (lfrintnudf): Likewise.
15607         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15608         conversion.
15609         (vcvtq_u32_f32): Likewise.
15610         (vcvtq_u64_f64): Likewise.
15611         (vcvta_u32_f32): Likewise.
15612         (vcvtaq_u32_f32): Likewise.
15613         (vcvtaq_u64_f64): Likewise.
15614         (vcvtm_u32_f32): Likewise.
15615         (vcvtmq_u32_f32): Likewise.
15616         (vcvtmq_u64_f64): Likewise.
15617         (vcvtn_u32_f32): Likwise.
15618         (vcvtnq_u32_f32): Likewise.
15619         (vcvtnq_u64_f64): Likewise.
15620         (vcvtp_u32_f32): Likewise.
15621         (vcvtpq_u32_f32): Likewise.
15622         (vcvtpq_u64_f64): Likewise.
15623         (vcvtmd_u64_f64): Likewise.
15624         (vcvtms_u32_f32): Likewise.
15625         (vcvtad_u64_f64): Likewise.
15626         (vcvtas_u32_f32): Likewise.
15627         (vcvtnd_u64_f64): Likewise.
15628         (vcvtns_u32_f32): Likewise.
15629         (vcvtpd_u64_f64): Likewise.
15630         (vcvtps_u32_f32): Likewise.
15631
15632 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15633
15634         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15635         CSEL of zero_extended registers.
15636
15637 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15638
15639         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15640         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15641
15642 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15643
15644         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15645         false when argument string is not found in the attributes table
15646         at all.
15647
15648 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15649
15650         PR target/68609
15651         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15652         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15653         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15654         precision estimate.
15655
15656 2016-01-15  Richard Biener  <rguenther@suse.de>
15657
15658         PR tree-optimization/66856
15659         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15660         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15661         (vect_create_new_slp_node): Increment stmt reference count.
15662         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15663         an SLP tree before swapping operands.
15664         (vect_build_slp_tree): Likewise.
15665         (destroy_bb_vec_info): Free stmt info after SLP instances.
15666         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15667         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15668         (STMT_VINFO_NUM_SLP_USES): New macro.
15669
15670 2016-01-15  Richard Biener  <rguenther@suse.de>
15671
15672         PR debug/69137
15673         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15674         (add_linkage_name): ... here.
15675         (gen_typedef_die): Use add_linkage_name_raw instead of
15676         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15677         if necessary.
15678
15679 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15680
15681         * gimplify.c (oacc_default_clause): Decode reference and pointer
15682         types for both kernels and parallel regions.
15683
15684 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15685
15686         PR middle-end/69246
15687         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15688
15689 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15690
15691         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15692         (convert_scalars_to_vector): Likewise.
15693
15694 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15695
15696         * doc/extend.texi (Type Traits): Fix grammar.
15697
15698 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15699
15700         * tree-inline.c (remap_decl): Use existing dclarations if
15701         remapping a type and prevent_decl_creation_for_types.
15702         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15703         decls first.  Do real remapping with
15704         prevent_decl_creation_for_types set.
15705         * tree-inline.h (copy_body_data): New field
15706         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15707         padding.
15708
15709 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15710
15711         * config/s390/s390.opt (mmvcle): More verbose help text.
15712
15713 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15714
15715         * config/s390/s390.opt: Add period to -mzvector option text.
15716
15717 2016-01-15  Richard Biener  <rguenther@suse.de>
15718
15719         PR tree-optimization/68961
15720         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15721         of invariants in stores again.
15722
15723 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15724
15725         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15726
15727 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15728
15729         * config/i386/i386.c (ix86_expand_branch): Don't split
15730         DI mode xor instruction to SI mode.
15731
15732 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15733
15734         PR ipa/68148
15735         * ipa-icf.c (sem_function::merge): Virtual functions may become
15736         reachable even if they address is not taken and there are no
15737         idrect calls.
15738
15739 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15740
15741         * lto-streamer-out.c (subtract_estimated_size): New function.
15742         (get_symbol_initial_value): Use it.
15743
15744 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15745
15746         PR target/65837
15747         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15748         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15749         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15750         use add_builtin_function_ext_scope instead of add_builtin_function.
15751         (neon_set_p, neon_crypto_set_p): Remove.
15752         (arm_init_builtins): Always call arm_init_neon_builtins and
15753         arm_init_crypto_builtins.
15754         (arm_expand_builtin): Check that builtins are allowed for the arch.
15755         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15756         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15757         arm_init_neon_builtins call.
15758
15759 2016-01-15  Richard Biener  <rguenther@suse.de>
15760
15761         PR tree-optimization/69117
15762         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15763         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15764         of the leader conservatively.
15765         (free_scc_vn): Restore original SSA name infos.
15766
15767 2016-01-14  Jeff Law  <law@redhat.com>
15768
15769         PR tree-optimization/69270
15770         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15771         single bit of precision, verify it's also unsigned.
15772         (record_edge_info): Use constant_boolean_node rather than fold_convert
15773         to convert boolean_true/boolean_false to the right type.
15774
15775 2016-01-14  Richard Henderson  <rth@redhat.com>
15776
15777         PR rtl-opt/69014
15778         * loop-doloop.c (record_reg_sets): New.
15779         (doloop_optimize): Reject the transform if the sequence
15780         clobbers registers live at the end of the loop block.
15781         (doloop_optimize_loops): Enable df_live if needed.
15782
15783 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15784
15785         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15786         * config/rs6000/rs6000.c: Likewise.
15787         * config/rs6000/rs6000.h: Likewise.
15788         * config/rs6000/rs6000.md: Likewise.
15789         * doc/extend.texi: Likewsie.
15790
15791 2016-01-14  Jeff Law  <law@redhat.com>
15792
15793         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15794         typo.
15795
15796 2016-01-14  Richard Henderson  <rth@redhat.com>
15797
15798         PR c/69272
15799         PR tree-opt/68964
15800         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15801         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15802         instead of builtin_decl_declared_p to test for declaration.
15803
15804 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15805
15806         * doc/loop.texi (Loop Analysis and Representation): Document
15807         loop_depth function.
15808
15809 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15810
15811         PR tree-optimization/68773
15812         * omp-low.c (expand_omp_target): Don't set force_output.
15813         * varpool.c (varpool_node::get_create): Same.
15814         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15815         offload_funcs with force_output.
15816
15817 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15818
15819         PR debug/69244
15820         * lra-eliminations.c (move_plus_up): Don't change anything if either
15821         the outer or inner subreg mode is not MODE_INT.
15822         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15823         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15824
15825 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15826
15827         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15828         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15829         reduc_uplus_@var{m}): Remove.
15830         * expr.c (expand_expr_real_2): Remove expansion path for
15831         reduc_[us](min|max|plus) optabs.
15832         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15833         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15834         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15835         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15836         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15837         reduc_[us](min|max|plus) optabs.
15838
15839 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15840
15841         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15842         (reduc_plus_scal_v2sf): New.
15843         (reduc_smax_v2sf): Rename to...
15844         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15845         (reduc_smin_v2sf): Rename to...
15846         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15847
15848 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15849
15850         * alias.c (compare_base_symbol_refs): New function.
15851         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15852         it.
15853
15854 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15855
15856         PR middle-end/68146
15857         PR tree-optimization/69155
15858         * tree-complex.c: Include cfganal.h.
15859         (phis_to_revisit): New variable.
15860         (extract_component): Add phiarg_p argument.  Assert that returned
15861         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15862         (update_phi_components): Partly rewrite to use loop over real/imag
15863         components instead of code duplication.  If extract_component returns
15864         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15865         create_tmp_reg into the PHI node instead, and mention the phi triplet
15866         in phis_to_revisit.
15867         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15868         in phis_to_revisit at the end.
15869
15870 2016-01-14  Richard Biener  <rguenther@suse.de>
15871
15872         PR tree-optimization/68060
15873         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15874         outer loop reduction is only used in the inner loop before
15875         detecting a double reduction.
15876
15877 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15878
15879         PR target/68269
15880         * combine.c (expand_field_assignment): Punt if compute_mode is
15881         unsupported scalar mode.
15882
15883 2016-01-14  Richard Biener  <rguenther@suse.de>
15884
15885         PR tree-optimization/66856
15886         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15887         SLP node only if it built successfully.
15888         (vect_analyze_slp_instance): Adjust.
15889
15890 2016-01-14  Jeff Law  <law@redhat.com>
15891
15892         PR tree-optimization/69270
15893         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15894         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15895         to the type of op0.
15896
15897 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15898
15899         PR ipa/66487
15900         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15901         use block_ultimate_origin
15902         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15903
15904 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15905
15906         * doc/invoke.texi (Submodel Options): Rename section to
15907         "Machine-Dependent Options" to better reflect its content.
15908         Rewrite introductory text to remove archaic CPU names.
15909         Update references.
15910
15911 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15912
15913         * doc/invoke.texi (Code Gen Options): Move section up in file,
15914         before target-specific options.  Update menu and option summary
15915         to reflect the new section ordering.
15916
15917 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15918
15919         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15920         (C++ Dialect Options): Add cross-reference to -std option.
15921         * doc/standards.texi (C++ Language): Document C++14 support.
15922
15923 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15924
15925         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15926         for pack/unpack functions for __ibm128.
15927         (PACK_IF): Likewise.
15928         (UNPACK_IF): Likewise.
15929
15930         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15931         support for __ibm128 pack/unpack functions.
15932         (rs6000_invalid_builtin): Likewise.
15933         (rs6000_init_builtins): Likewise.
15934         (rs6000_opt_masks): Likewise.
15935
15936         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15937         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15938         functions
15939         (RS6000_BTM_COMMON): Likewise.
15940
15941         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15942         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15943         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15944         128-bit floating point.  Add support for the double values to be
15945         in Altivec registers for TF/IF packing and unpacking, but restrict
15946         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15947         register support for packing.  Allow pack inputs to be memory
15948         locations.  Don't build generator functions for unpack<mode>_dm
15949         and unpack<mode>_nodm.
15950         (unpack<mode>_dm): Likewise.
15951         (unpack<mode>_nodm): Likewise.
15952         (pack<mode>): Likewise.
15953
15954         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15955         built-in functions to pack/unpack explicit __ibm128 values.
15956         (__builtin_unpack_ibm128): Likewise.
15957
15958         * doc/extend.texi (PowerPC Built-in Functions): Document
15959         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15960
15961 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15962
15963         PR c/66208
15964         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15965         Add new arg loc and pass it down as context.
15966         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15967         to the location to use for the warning.
15968         (check_function_arguments): New arg loc.  All callers changed.  Pass
15969         it to check_function_nonnull.
15970         * c-common.h (check_function_arguments): Adjust declaration.
15971
15972 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15973
15974         PR tree-optimization/69156
15975         * gimple.c (validate_type): Removed.
15976         (gimple_builtin_call_types_compatible_p): Use
15977         useless_type_conversion_p instead of validate_type.
15978         * value-prof.c (gimple_stringop_fixed_value): Fold
15979         icall_size to correct type.
15980
15981 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15982
15983         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15984         effects.
15985
15986 2016-01-13  Richard Henderson  <rth@redhat.com>
15987
15988         PR tree-opt/68964
15989         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15990         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15991         (ix86_builtin_tm_store): Remove.
15992         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15993         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15994         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15995         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15996         * doc/tm.texi: Rebuild.
15997
15998         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15999         (BUILT_IN_TM_MEMCPY_RTWN): New.
16000         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
16001         fallback from vector to integer helpers.
16002         (build_tm_load): Handle vector types directly, instead of
16003         via target hook.
16004         (build_tm_store): Likewise.
16005         (expand_assign_tm): Prepare for register types not handled by
16006         the above.  Copy them to memory and use memcpy.
16007         * tree.c (tm_define_builtin): New.
16008         (find_tm_vector_type): New.
16009         (build_tm_vector_builtins): New.
16010         (build_common_builtin_nodes): Call it.
16011
16012 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
16013
16014         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
16015         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
16016
16017 2016-01-13  Tom de Vries  <tom@codesourcery.com>
16018
16019         PR tree-optimization/69169
16020         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
16021         handled_struct_type param.
16022         (create_variable_info_for, intra_create_variable_infos): Call
16023         create_variable_info_for_1 with extra arg.
16024
16025 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
16026
16027         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
16028         and "armv8.1-a+crc" entries.
16029
16030 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
16031
16032         PR target/69228
16033         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
16034         Change first operand predicate from register_or_constm1_operand
16035         to register_operand.
16036         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
16037         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
16038         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
16039         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
16040         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
16041         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
16042         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
16043         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
16044         comparison with constm1_rtx from vec_prefetch_gen part.
16045
16046 2016-01-13  Richard Biener  <rguenther@suse.de>
16047
16048         PR tree-optimization/69013
16049         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
16050         Exchange assert for a test.
16051
16052 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16053
16054         PR target/69247
16055         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
16056
16057 2016-01-13  Richard Biener  <rguenther@suse.de>
16058
16059         PR tree-optimization/69242
16060         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
16061         assert with a check.
16062
16063 2016-01-13  Richard Biener  <rguenther@suse.de>
16064
16065         PR tree-optimization/69186
16066         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16067         Properly guard vect_update_misalignment_for_peel call.
16068
16069 2016-01-12  Jeff Law  <law@redhat.com>
16070
16071         PR tree-optimization/pr67755
16072         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
16073         "need_profile_correction".
16074         (thread_block_1): Initialize new field to false by default.  If we
16075         have multiple thread paths through a common joiner to different
16076         final targets, then set new field to true.
16077         (compute_path_counts): Only do count adjustment when it's really
16078         needed.
16079
16080 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
16081
16082         * doc/invoke.texi (Spec Files): Move section down in file, past
16083         all command-line option descriptions.
16084
16085 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16086
16087         PR middle-end/54809
16088         * doc/gty.texi: Remove documentation of mark_hook.
16089         * gengtype.c (struct write_types_data): Remove code to support
16090         mark_hook attribute.
16091         (walk_type): Likewise.
16092         (write_func_for_structure): Likewise.
16093
16094 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
16095
16096         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
16097         Directory Options, and -specs= to Overall Options.
16098         (Overall Options): Adjust similarly.  Reorder to group related
16099         options together.  Make -specs= cross-reference the spec file details.
16100         (Directory Options): Adjust similarly.
16101
16102 2016-01-12  Jeff Law  <law@redhat.com>
16103
16104         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
16105
16106 2016-01-12  Olivier Hainque  <hainque@adacore.com>
16107
16108         * gcc.c (spec_undefvar_allowed): New global.
16109         (process_command): Set to true when running for --version or --help,
16110         alone or together.
16111         (getenv_spec_function): When the variable is not defined, use the
16112         variable name as the variable value if we're allowed not to issue
16113         a fatal error.
16114
16115 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
16116
16117         PR tree-optimization/68911
16118         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
16119         information computed for expression "init + nit * step".
16120
16121 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
16122
16123         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
16124         about name of GCC executable.  Remove deleted node from menu.
16125         (Directory Options) <-B>: Remove cross-reference to deleted node.
16126         (Target Options): Delete section.
16127
16128 2016-01-12  Christian Bruel  <christian.bruel@st.com>
16129
16130         PR target/69180
16131         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
16132         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
16133
16134 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
16135
16136         PR target/69198
16137         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
16138         aligned_mem is properly set for AVX512-VL floating point masked
16139         stores.
16140
16141         PR target/69175
16142         * ifcvt.c (cond_exec_process_if_block): When removing the last
16143         insn from then_bb, remove also any possible barriers that follow it.
16144
16145 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
16146
16147         PR target/68456
16148         PR target/69226
16149         * config/i386/iamcu.h (SIZE_TYPE): New macro.
16150         (PTRDIFF_TYPE): Likewise.
16151         (WCHAR_TYPE): Likewise.
16152         (WCHAR_TYPE_SIZE): Likewise.
16153         (STDINT_LONG32): Likewise.
16154
16155 2016-01-12  Richard Biener  <rguenther@suse.de>
16156
16157         PR tree-optimization/69053
16158         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
16159         convert initial value for cond reductions.
16160
16161 2016-01-12  Richard Biener  <rguenther@suse.de>
16162
16163         PR tree-optimization/69007
16164         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
16165         widen_sum after dot_prod and sad.
16166
16167 2016-01-12  Richard Biener  <rguenther@suse.de>
16168
16169         PR tree-optimization/69168
16170         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
16171         pattern stmt SLP type.
16172         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
16173         end up unused so cope with that case.
16174
16175 2016-01-12  Richard Biener  <rguenther@suse.de>
16176
16177         PR tree-optimization/69157
16178         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
16179         stmts def type only during analyze phase.
16180         (vectorizable_call): Likewise.
16181         (vectorizable_simd_clone_call): Likewise.
16182         (vectorizable_conversion): Likewise.
16183         (vectorizable_assignment): Likewise.
16184         (vectorizable_shift): Likewise.
16185         (vectorizable_operation): Likewise.
16186         (vectorizable_store): Likewise.
16187         (vectorizable_load): Likewise.
16188
16189 2016-01-12  Richard Biener  <rguenther@suse.de>
16190
16191         PR tree-optimization/69174
16192         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
16193         space.
16194         (vectorizable_load): Properly compute the number of loads needed
16195         for permuted strided SLP loads and do not spuriously assign
16196         to SLP_TREE_VEC_STMTS.
16197
16198 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
16199
16200         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
16201         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
16202         (MD_EXEC_PREFIX): Remove.
16203         (MD_STARTFILE_PREFIX) Removee.
16204         (FILE_NAME_ABSOLUTE_P): Remove.
16205         (CPP_SPEC): Do not read macros from sys/version.h.
16206         (LINK_COMMAND_SPEC): Remove.
16207         (LOCAL_INCLUDE_DIR): Remove.
16208         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
16209         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
16210         (POST_LINK_SPEC): Define to invoke stubify after linker
16211         (LIBSTDCXX): Remove define
16212         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
16213         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
16214         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
16215         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
16216         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
16217         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
16218         (i386_djgpp_asm_named_section): Add propotype of new procedure
16219
16220         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
16221         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
16222         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
16223         in config/i386/djgpp.h).
16224         (STANDARD_STARTFILE_PREFIX_2): Define identical to
16225         STANDARD_STARTFILE_PREFIX_1.
16226         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
16227         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
16228         installation errors.
16229         (MAX_OFILE_ALIGNMENT): Define to 128.
16230         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
16231
16232         * config/i386/djgpp.c: New file. Add implementation of
16233         i386_djgpp_asm_named_section.
16234
16235         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
16236
16237         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
16238         Add rule for building djgpp.o.
16239
16240 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16241
16242         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
16243         (rtx_is_swappable_p): Reductions are swappable.
16244         (insn_is_swappable_p): V2DF reductions are swappable.
16245
16246 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
16247
16248         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
16249         reloads for other unsupported memory operands.
16250
16251 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
16252             Jim Wilson  <jim.wilson@linaro.org>
16253
16254         PR target/69194
16255         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
16256         copy_to_mode_reg instead of force_reg.
16257
16258 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16259
16260         PR target/69225
16261         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
16262         TARGET_80387 is true.
16263
16264 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
16265
16266         PR target/69071
16267         * lra-eliminations.c (move_plus_up): Only move plus up
16268         if subreg of the constant can be simplified into constant
16269         and use the simplified subreg of the constant instead of
16270         the original constant.
16271
16272         * fold-const.c (fold_convertible_p): Don't return true
16273         for conversion of VECTOR_TYPE to same sized integral type.
16274         (fold_convert_loc): Fix up formatting.  Fold conversion of
16275         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
16276         instead of NOP_EXPR.
16277
16278         PR tree-optimization/69214
16279         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
16280         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
16281         Formatting fix.
16282
16283         PR tree-optimization/69207
16284         * tree-vect-slp.c (vect_get_constant_vectors): For
16285         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
16286         fold_convertible_p to vector_type's element type, and always
16287         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
16288
16289 2016-01-11  Richard Biener  <rguenther@suse.de>
16290
16291         PR tree-optimization/69173
16292         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
16293         fixup the cycle if all stmts are in a pattern.
16294
16295 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
16296
16297         PR middle-end/68999
16298         * alias.c (base_alias_check): Move check for addresses with
16299         alignment ANDs before the call for compare_base_decls.
16300         (memrefs_conflict_p): Return -1 for different decls
16301         that went through alignment adjustments.
16302
16303 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16304
16305         PR rtl-optimization/68796
16306         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
16307         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
16308         and QImode comparisons against zero with CC_NZmode.
16309         * config/aarch64/iterators.md (short_mask): New mode_attr.
16310
16311 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16312
16313         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
16314         (<avx512>_store<mode>_mask): Likewise.
16315
16316 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
16317             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16318
16319         PR rtl-optimization/68841
16320         * ifcvt.c (struct noce_if_info): Add orig_x field.
16321         (bbs_ok_for_cmove_arith): Add to_rename parameter.
16322         Don't record conflicts on to_rename if it's present.
16323         Allow memory destinations in sets.
16324         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
16325         blocks, passing orig_x to the checks.
16326         (noce_process_if_block): Set if_info->orig_x appropriately.
16327
16328 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16329
16330         PR tree-optimization/69069
16331         * tree-parloops.c (create_parallel_loop): Add missing phi args.
16332
16333 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
16334
16335         PR rtl-optimization/68920
16336         * config/i386/i386.c (ix86_option_override_internal): Restrict number
16337         of conditional moves for  RTL if-conversion to 1 for
16338         TARGET_ONE_IF_CONV_INSN.
16339         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
16340         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
16341         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
16342         parameter to restirct number of conditional moves for
16343         RTL if-conversion.
16344         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
16345         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
16346         conditionl moves.
16347
16348 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
16349
16350         PR bootstrap/69123
16351         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
16352         onepart vars.  Fix typo in comment.  Fix reversed condition in
16353         unshare test.
16354         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
16355
16356         PR bootstrap/69123
16357         * var-tracking.c (dump_onepart_variable_differences): New.
16358         (dataflow_set_different): If a detailed dump is requested,
16359         delay early returns and dump differences between onepart
16360         variables present before and after, and added variables.
16361
16362 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
16363
16364         PR target/69010
16365         * expr.c (expand_expr_real_1): For boolean vector constants
16366         with a scalar mode use const_scalar_mask_from_tree.
16367         (const_scalar_mask_from_tree): New.
16368         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
16369         assigned to a mask type to handle constants.
16370
16371 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16372
16373         PR ipa/69044
16374         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
16375         useless parameters if we cannot change function signature.
16376
16377 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16378
16379         PR ipa/66616
16380         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
16381         flag.
16382
16383 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16384
16385         PR tree-optimization/69109
16386         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
16387         latch with phi.
16388
16389 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16390
16391         PR tree-optimization/69108
16392         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
16393         res is not used in a phi.
16394
16395 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
16396
16397         PR 67425
16398         * common.opt (frandom-seed): Fix parameter name.
16399         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
16400
16401 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16402
16403         PR tree-optimization/69058
16404         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
16405         not supported.
16406
16407 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
16408
16409         * config/arc/arc.opt (mdiv-rem): Add period to the end.
16410         (mcode-density): Likewise.
16411
16412 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16413
16414         PR tree-optimization/69062
16415         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
16416         (parallelize_loops): Don't paralelize loop that has phi with address
16417         arg.
16418
16419 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16420
16421         PR tree-optimization/69039
16422         * tree-parloops.c (try_create_reduction_list): Only allow single exit
16423         phi for reduction.
16424
16425 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
16426
16427         PR middle-end/68743
16428         * match.pd: Require target has function_c99_misc before doing
16429         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
16430
16431 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
16432
16433         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
16434         use GMPINC.
16435         * configure: Regenerate.
16436
16437 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
16438
16439         PR middle-end/50865
16440         PR tree-optimization/69097
16441         * fold-const.h (expr_not_equal_to): New prototype.
16442         * fold-const.c: Include stringpool.h and tree-ssanames.h.
16443         (expr_not_equal_to): New function.
16444         * match.pd (X % -Y is the same as X % Y): Don't optimize
16445         unless X is known not to be equal to minimum or Y is known
16446         not to be equal to -1.
16447         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
16448         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
16449         (simplify_stmt_using_ranges): Adjust caller.
16450         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
16451         substitute_and_fold.
16452
16453 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
16454
16455         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
16456         w/o DECL_NAME.
16457
16458 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16459
16460         PR tree-optimization/69167
16461         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
16462         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
16463         ops[0] comparison.
16464         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
16465
16466 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16467             Richard Biener  <rguenther@suse.de>
16468
16469         PR tree-optimization/68707
16470         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
16471         instances that can be handled via vect_load_lanes.
16472
16473 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
16474
16475         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
16476         if we can't determine address equivalence.
16477         * alias.c (compare_base_decl): Update for changed return value of
16478         symtab_node::equal_address_to.
16479
16480 2016-01-08  Jason Merrill  <jason@redhat.com>
16481
16482         PR c++/68983
16483         PR c++/67557
16484         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
16485         * expr.c (store_field): Not here.
16486         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
16487         call with TREE_ADDRESSABLE type.
16488         * tree-cfg.c (verify_gimple_call): Adjust.
16489
16490 2016-01-08  Olivier Hainque  <hainque@adacore.com>
16491
16492         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
16493         libc_internal.
16494
16495 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16496
16497         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
16498         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
16499         (reduc_smin_v2sf): Rename to...
16500         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
16501         (reduc_splus_v2sf): Rename to...
16502         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
16503
16504 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16505
16506         PR tree-optimization/69162
16507         * gimplify.c (gimplify_va_arg_expr): Encode original type of
16508         valist argument in another argument.
16509         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
16510         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16511         to determine the va_list type, build a MEM_REF instead of
16512         build_fold_indirect_ref.
16513
16514         PR tree-optimization/69172
16515         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
16516         gimple_build.
16517
16518 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16519
16520         PR tree-optimization/67781
16521         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
16522         and cmpnop in two steps: first the ones not accessed in original
16523         gimple expression in a endian independent way and then the ones not
16524         accessed in the final result in an endian-specific way.
16525
16526 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16527
16528         PR tree-optimization/69083
16529         * tree-vect-slp.c (vect_get_constant_vectors): For
16530         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
16531         element type.  If op is fold_convertible_p to vector_type's element
16532         type, use NOP_EXPR instead of VCE.
16533
16534 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
16535
16536         PR rtl-optimization/67778
16537         PR rtl-optimization/68634
16538         PR rtl-optimization/68909
16539         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
16540         block from the stack until done with it.  Remove a superfluous
16541         bitmap set.  Remove a superfluous bitmap test.
16542
16543 2016-01-07  Martin Sebor  <msebor@redhat.com>
16544
16545         PR c/68966
16546         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
16547         constraint on the type of arguments.
16548
16549 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
16550
16551         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
16552         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
16553         unaligned_access on the gcc_options set.
16554         * config/arm/arm.c (arm_option_override_internal): Use
16555         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
16556
16557 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16558
16559         PR target/69140
16560         * config/i386/i386.c (ix86_frame_pointer_required): Enable
16561         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
16562
16563 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16564
16565         Revert
16566         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16567
16568         PR target/69140
16569         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16570         depending on frame_pointer_needed before remaining integer and SSE
16571         registers are saved.
16572
16573 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
16574
16575         PR 1078
16576         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
16577
16578 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
16579
16580         PR target/69171
16581         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
16582         Use the "xBm" constraint.
16583         (float<sseintvecmodelower><mode>2<mask_name><round_name):
16584         Likewise.
16585         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
16586         (sse_cvtsi2ssq<round_name>): Likewise.
16587         (sse_cvtss2si<round_name>): Likewise.
16588         (sse_cvtss2siq<round_name>): Likewise.
16589         (sse2_cvtsi2sdq<round_name>): Likewise.
16590         (sse2_cvtsd2si<round_name>): Likewise.
16591         (sse2_cvtsd2siq<round_name>): Likewise.
16592         * config/i386/subst.md (round_nimm_scalar_predicate): New
16593         predicate.
16594
16595 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16596
16597         PR middle-end/67639
16598         * varasm.c (make_decl_rtl): Mark invalid register vars as
16599         DECL_EXTERNAL.
16600
16601         PR rtl-optimization/66206
16602         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16603         All callers changed.
16604
16605 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16606
16607         PR tree-optimization/69141
16608         * tree-ssa-pre.c: Include langhooks.h.
16609         (eliminate_dom_walker::before_dom_children): Use
16610         lang_hooks.decl_printable_name instead of
16611         cgraph_node::get ()->name ().
16612
16613         PR middle-end/68960
16614         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16615         it and DECL_ALIGN too.
16616
16617 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16618
16619         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16620
16621 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16622
16623         PR target/69140
16624         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16625         depending on frame_pointer_needed before remaining integer and SSE
16626         registers are saved.
16627
16628 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16629
16630         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16631         mode iterator with VSX_M2.
16632         (*p9_vecstore_<mode>): Likewise.
16633         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16634         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16635         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16636         (define_split for VSX_LE128 stores): Likewise.
16637         (define_peephole2 for TImode LE swaps): Likewise.
16638         (define_split for VSX_LE128 post-reload stores): Likewise.
16639
16640 2016-01-06  Marek Polacek  <polacek@redhat.com>
16641
16642         PR sanitizer/69099
16643         * convert.c (convert_to_integer_1): Adjust call to
16644         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16645         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16646         EXPR instead of ARG.
16647         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16648
16649 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16650
16651         PR 1078
16652         * doc/extend.texi (RL78 Variable Attributes): New section.
16653
16654 2016-01-05  Marek Polacek  <polacek@redhat.com>
16655
16656         PR c/69104
16657         * builtins.c (get_memmodel): Use expansion point location rather than
16658         the input location.  Call warning_at rather than warning.
16659         (expand_builtin_atomic_compare_exchange): Likewise.
16660         (expand_builtin_atomic_load): Likewise.
16661         (expand_builtin_atomic_store): Likewise.
16662         (expand_builtin_atomic_clear): Likewise.
16663
16664 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16665
16666         PR target/68991
16667         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16668         Replace nonimmediate_operand with vector_operand.
16669         * config/i386/predicates.md (vector_operand): New predicate.
16670         (general_vector_operand): Replace nonimmediate_operand with
16671         vector_operand.
16672         * config/i386/sse.md: Replace nonimmediate_operand with
16673         vector_operand and m constraint with Bm constraint on SSE
16674         patterns with 16-byte memory operand.
16675         * config/i386/subst.md (round_nimm_predicate): Replace
16676         nonimmediate_operand with vector_operand.
16677         (round_saeonly_nimm_predicate): Likewise.
16678         (round_saeonly_nimm_scalar_predicate): New.
16679
16680 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16681
16682         PR target/68991
16683         * config/i386/constraints.md (Bm): New constraint.
16684         * config/i386/predicates.md (vector_memory_operand): New
16685         predicate.
16686         * config/i386/sse.md: Replace xm with xBm in plusminus and
16687         any_logic patterns.
16688
16689 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16690
16691         PR 1078
16692         * doc/extend.texi (V850 Function Attributes): New section.
16693         (V850 Variable Attributes): New section.
16694
16695 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16696
16697         PR 1078
16698         * doc/extend.texi (MicroBlaze Function Attributes): Document
16699         interrupt_handler and fast_interrupt attributes.
16700
16701 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16702
16703         PR other/60465
16704         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16705         for local symbolic operands.
16706         * config/ia64/predicates.md (local_symbolic_operand64): New
16707         predicate.
16708
16709 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16710
16711         PR rtl-optimization/68651
16712         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16713         x << 1.
16714
16715 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16716
16717         * alias.c (compare_base_decls): Use symtab_node::get.
16718
16719 2016-01-05  Nick Clifton  <nickc@redhat.com>
16720
16721         PR target/68770
16722         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16723         secondary_reload_info structure.
16724
16725         PR target/66655
16726         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16727         decls if weak support is available.
16728
16729 2016-01-04  Martin Sebor  <msebor@redhat.com>
16730
16731         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16732
16733 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16734
16735         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16736         OPTION_MASK_P9_DFORM.
16737
16738         * config/rs6000/constraints.md (wo constraint): New constraint for
16739         ISA 3.0 (power9).
16740
16741         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16742         for wo constraint.
16743         (rs6000_init_hard_regno_mode_ok): Likewise.
16744
16745         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16746         wo constraint.
16747
16748         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16749         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16750         instruction.  Add support for fusing xxlor with xxperm.
16751         (altivec_vperm_<mode>_internal): Likewise.
16752         (altivec_vperm_v8hiv16qi): Likewise.
16753         (altivec_vperm_<mode>v16q): Likewise.
16754         (altivec_vperm_<mode>_uns): Likewise.
16755         (vperm_v8hiv4si): Likewise.
16756         (vperm_v16qiv8hi): Likewise.
16757
16758         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16759
16760 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16761
16762         Update copyright years.
16763
16764         * gcc.c (process_command): Update copyright notice dates.
16765         * gcov-dump.c (print_version): Ditto.
16766         * gcov.c (print_version): Ditto.
16767         * gcov-tool.c (print_version): Ditto.
16768         * gengtype.c (create_file): Ditto.
16769         * doc/cpp.texi: Bump @copying's copyright year.
16770         * doc/cppinternals.texi: Ditto.
16771         * doc/gcc.texi: Ditto.
16772         * doc/gccint.texi: Ditto.
16773         * doc/gcov.texi: Ditto.
16774         * doc/install.texi: Ditto.
16775         * doc/invoke.texi: Ditto.
16776
16777 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16778
16779         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16780         modes larger than TImode as TImode if NEON is not enabled.
16781
16782 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16783
16784         PR target/69100
16785         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16786         mode for %f0-%f31 only if TARGET_FPU.
16787
16788 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16789
16790         PR target/69072
16791         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16792         to compute the PACKED_P predicate.
16793         (function_arg_record_value): Minor tweaks.
16794
16795 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16796
16797         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16798         option for arm*-*-* targets.
16799
16800 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16801
16802         * doc/extend.texi (Common Function Attributes): Move docs for
16803         MSP430-specific attributes to....
16804         (MSP430 Function Attributes): ...here.  Delete the redundant
16805         entries and copy-edit the remaining text.
16806         (MSP430 Variable Attributes): Use uniform format for index
16807         entries and add a cross-reference to the corresponding function
16808         attribute docs.
16809
16810 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16811
16812         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16813         -finite-math typo.
16814         (x86 Options): Likewise.
16815
16816 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16817
16818         PR 1078
16819
16820         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16821         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16822         to corresponding attribute.
16823
16824 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16825
16826         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16827         to correct alphabetization of table.  Copy-edit and correct
16828         markup.
16829         <stack_protect>: Likewise.
16830         <target_clones>: Likewise.
16831         <simd>: Likewise.
16832         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16833         Correct punctuation.
16834         (Code Gen Options) <-fno-plt>: Copy-edit.
16835
16836 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16837
16838         PR target/68917
16839         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16840         SI values.  Explicitly convert SI to DI and vice-versa.
16841
16842 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16843
16844         PR tree-optimization/69070
16845         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16846         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16847
16848         PR sanitizer/69055
16849         * ubsan.c (ubsan_instrument_float_cast): Call
16850         initialize_sanitizer_builtins.
16851
16852         PR target/69015
16853         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16854 \f
16855 Copyright (C) 2016 Free Software Foundation, Inc.
16856
16857 Copying and distribution of this file, with or without modification,
16858 are permitted in any medium without royalty provided the copyright
16859 notice and this notice are preserved.