gcc/ChangeLog

   1 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR rtl-optimization/71673
   4         * internal-fn.c (expand_arith_overflow_result_store): Use
   5         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
   6         expand_simple_binop.
   7
   8         PR middle-end/66867
   9         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
  10         expand_ifn_atomic_compare_exchange): New functions.
  11         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
  12         * tree.h (build_call_expr_internal_loc): Rename to ...
  13         (build_call_expr_internal_loc_array): ... this.  Fix up type of
  14         last argument.
  15         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
  16         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
  17         ATOMIC_COMPARE_EXCHANGE result.
  18         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
  19         * gimple-fold.h (optimize_atomic_compare_exchange_p,
  20         fold_builtin_atomic_compare_exchange): New prototypes.
  21         * gimple-fold.c (optimize_atomic_compare_exchange_p,
  22         fold_builtin_atomic_compare_exchange): New functions..
  23         * tree-ssa.c (execute_update_addresses_taken): If
  24         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
  25         of call when finding addressable vars, and if such var becomes
  26         non-addressable, call fold_builtin_atomic_compare_exchange.
  27
  28 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
  29
  30         PR target/71670
  31         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
  32         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
  33
  34 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
  35
  36         * config/rs6000/rs6000.md ('type' attribute): Add
  37         veclogical,veccmpfx,vecexts,vecmove insn types.
  38         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
  39         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
  40         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
  41         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
  42         *nabs<mode>2_hw): Change type to vecmove.
  43         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
  44         *boolcc<mode>3_internal, *eqv<mode>3_internal,
  45         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
  46         *ieee_128bit_vsx_abs<mode>2_internal,
  47         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
  48         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
  49         *ieee128_mtvsrd_32bit): Change type to veclogical.
  50         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
  51         *movdi_internal32, *movdi_internal64): Update insn types.
  52         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
  53         vsx_extract_<mode>): Change type to veclogical.
  54         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
  55         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
  56         *vsx_sign_extend_si_v2di): Change type to vecexts.
  57         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
  58         type to veclogical.
  59         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
  60         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
  61         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
  62         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
  63         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
  64         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
  65         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
  66         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
  67         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
  68         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
  69         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
  70         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
  71         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
  72         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
  73         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
  74         (ppc7450-vecsimple): Add veclogical, vecmove.
  75         (ppc7450-veccmp): Add veccmpfx.
  76         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
  77         vecmove.
  78         (ppc8540_vector_compare): Add veccmpfx.
  79         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
  80         * config/rs6000/cell.md (cell-fp): Add fpsimple.
  81         (cell-vecsimple): Add veclogical, vecmove.
  82         (cell-veccmp): Add veccmpfx.
  83         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
  84         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
  85         veccmpfx.
  86         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
  87         * config/rs6000/power4.md (power4-fp): Add fpsimple.
  88         (power4-vecsimple): Add veclogical, vecmove.
  89         (power4-veccmp): Add veccmpfx.
  90         * config/rs6000/power5.md (power5-fp): Add fpsimple.
  91         * config/rs6000/power6.md (power6-fp): Add fpsimple.
  92         (power6-vecsimple): Add veclogical, vecmove.
  93         (power6-veccmp): Add veccmpfx.
  94         * config/rs6000/power7.md (power7-fp): Add fpsimple.
  95         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
  96         * config/rs6000/power8.md (power8-fp): Add fpsimple.
  97         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
  98         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
  99         * config/rs6000/titan.md (titan_fp): Add fpsimple.
 100         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
 101         fpsimple.
 102         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
 103
 104 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
 105
 106         PR target/71656
 107         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
 108         OPTION_MASK_P9_DFORM_VECTOR.
 109         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
 110         disable -mpower9-dform-vector when using reload.
 111         (quad_address_p): Remove 'gpr_p' argument and all associated code.
 112         New 'strict' argument.  Update all callers.  Add strict addressing
 113         support.
 114         (rs6000_legitimate_offset_address_p): Remove call to
 115         virtual_stack_registers_memory_p.
 116         (rs6000_legitimize_reload_address): Add quad address support.
 117         (rs6000_legitimate_address_p): Move call to quad_address_p above
 118         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
 119         to account for new strict usage.
 120         (rs6000_output_move_128bit): Adjust quad_address_p args to account
 121         for new strict usage.
 122         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
 123
 124 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
 125
 126         PR target/70902
 127         PR target/71453
 128         PR target/71555
 129         PR target/71596
 130         PR target/71657
 131         * config/i386/i386.c (ix86_spill_class): Disable condition to
 132         always return NO_REGS.
 133
 134 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
 135
 136         * predict.c: Include gimple-pretty-print.h
 137         (predicted_by_loop_heuristics_p): Check also
 138         PRED_LOOP_EXIT_WITH_RECURSION
 139         (predict_loops): Find self recursive calls and use special purpose
 140         predictors for them; dump log about decisions.
 141         (pass_profile::execute): Dump info about #of iterations.
 142         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
 143         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
 144
 145 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
 146
 147         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
 148         output_asm_insn calls and shorten long lines.  Output .CALL
 149         argument descriptor using pa_output_arg_descriptor.  Add various
 150         inline $$dyncall and other optimizations.
 151         (pa_attr_length_indirect_call): Adjust ordering and lengths.
 152
 153 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
 154
 155         PR tree-optimization/71643
 156         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
 157         EH preds.
 158
 159         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
 160         leak a bitmap if dep_bb is NULL.
 161
 162         PR tree-optimization/71631
 163         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
 164         to rewrite_expr_tree even if negate_result, move new_lhs var
 165         declaration and initialization earlier, for powi_result set afterwards
 166         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
 167         if new_lhs != lhs, and don't shadow gsi var.
 168
 169 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
 170
 171         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
 172         Add in_loop parameter.
 173         (predict_loops): Add loop guard heuristics.
 174         * predict.def (PRED_LOOP_GUARD): New heuristics.
 175
 176 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
 177
 178         * predict.c: Include ipa-utils.h
 179         (tree_bb_level_prediction): Predict recursive calls.
 180         (tree_estimate_probability_bb): Skip inexpensive calls for call
 181         predictor.
 182         * predict.def (PRED_RECURSIVE_CALL): New.
 183
 184 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 185
 186         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
 187         (BU_FLOAT128_1): Likewise.
 188         (FABSQ): Likewise.
 189         (COPYSIGNQ): Likewise.
 190         (RS6000_BUILTIN_NANQ): Likewise.
 191         (RS6000_BUILTIN_NANSQ): Likewise.
 192         (RS6000_BUILTIN_INFQ): Likewise.
 193         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
 194         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
 195         (TARGET_FOLD_BUILTIN): New #define.
 196         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
 197         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
 198         (rs6000_fold_builtin): New target hook implementation, handling
 199         folding of 128-bit NaNs and infinities.
 200         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
 201         entries are filled in to avoid problems during bootstrap
 202         self-test; define builtins for 128-bit NaNs and infinities.
 203         (rs6000_opt_mask): Add entry for float128.
 204         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
 205         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
 206         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
 207         (const_str_type_node): New #define.
 208         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
 209         to a define_expand that dispatches to either copysign<mode>3_soft
 210         or copysign<mode>3_hard.
 211         (copysign<mode>3_hard): Rename from copysign<mode>3.
 212         (copysign<mode>3_soft): New define_insn.
 213         * doc/extend.texi: Document new builtins.
 214
 215 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 216
 217         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
 218         PRIu64 instead of lu.
 219
 220 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
 221
 222         PR debug/71642
 223         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
 224         copy the type name.
 225
 226 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 227
 228         PR tree-optimization/71647
 229         * omp-low.c (lower_rec_input_clauses): Convert
 230         omp_clause_aligned_alignment (c) to size_type_node for the
 231         last argument of __builtin_assume_aligned.
 232
 233 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
 234
 235         * configure.ac (calling ___tls_get_addr via GOT): New
 236         assembler/linker check.
 237         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
 238         assembler and linker supports calling ___tls_get_addr via GOT.
 239         Otherise, defined to 0.
 240         * config.in: Regenerated.
 241         * configure: Likewise.
 242         * config/i386/constraints.md (Yb): New constraint.
 243         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
 244         (REG_CLASS_NAMES): Likewise.
 245         (REG_CLASS_CONTENTS): Likewise.
 246         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
 247         the b constraint with the Yb constraint.  Call ___tls_get_addr
 248         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
 249         is 1.
 250         (*tls_local_dynamic_base_32_gnu): Likewise.
 251         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
 252         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
 253         (*tls_local_dynamic_base_64_<mode>): Likewise.
 254
 255 2016-06-24  Martin Liska  <mliska@suse.cz>
 256
 257         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
 258         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
 259         few functions.
 260         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
 261         argument to true if the expected number of iterations is
 262         loop-based.
 263
 264 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
 265
 266         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
 267         assemble for 32bit target.
 268         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
 269         and $ld_ix86_gld_32_opt to link for 32bit target.
 270         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
 271         * configure: Regenerate.
 272
 273 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 274
 275         * config/arm/arm.c (int_log2): Delete definition and prototype.
 276         (shift_op): Use exact_log2 instead of int_log2.
 277         (vfp3_const_double_for_fract_bits): Likewise.
 278
 279 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
 280
 281         * internal-fn.c (expand_arith_set_overflow): New function.
 282         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
 283         Use it.
 284         (expand_arith_overflow_result_store): Likewise.  Handle precision
 285         smaller than mode precision.
 286         * tree-vrp.c (extract_range_basic): For imag part, handle
 287         properly signed 1-bit precision result.
 288         * doc/extend.texi (__builtin_add_overflow): Document that last
 289         argument can't be pointer to enumerated or boolean type.
 290         (__builtin_add_overflow_p): Document that last argument can't
 291         have enumerated or boolean type.
 292
 293 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 294             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 295
 296         * config/rs6000/predicates.md (splat_input_operand): Rework.
 297         Don't allow constants, since the insns that use this predicate
 298         don't support constants.  Constants are handled by other insns
 299         that are created via combine.  During and after register
 300         allocation, only allow indexed or indirect addresses, and not
 301         general addresses.  Only allow modes supported by the hardware.
 302         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
 303         comment.  Move check for using VSPLTIS<x> to a common location,
 304         instead of doing it in two different places.
 305
 306 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
 307
 308         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 309         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
 310         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
 311         signature_CENTAUR_ebx.
 312
 313 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
 314
 315         PR target/66232
 316         PR target/67400
 317         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
 318         (as_ix86_gas_32_opt): This.
 319         (ld_ix86_tls_ldm_opt): Renamed to ...
 320         (ld_ix86_gld_32_opt): This.
 321         (R_386_TLS_LDM reloc): Updated.
 322         (R_386_GOT32X reloc): New assembler/linker check.
 323         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
 324         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
 325         defined to 0.
 326         * config.in: Regenerated.
 327         * configure: Likewise.
 328         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
 329         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
 330         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
 331         if ix86_force_load_from_GOT_p returns true.
 332         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
 333         ix86_force_load_from_GOT_p returns true.
 334         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
 335         the external function address via the GOT slot.
 336         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
 337         HAVE_AS_IX86_GOT32X before returning false.
 338         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
 339         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
 340
 341 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
 342
 343         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
 344
 345 2016-06-23  Andi Kleen  <ak@linux.intel.com>
 346
 347         * Makefile.in: Regenerate.
 348         * doc/install.texi: Document autoprofiledbootstrap.
 349
 350 2016-06-23  Andi Kleen  <ak@linux.intel.com>
 351
 352         * config/i386/gcc-auto-profile: New file.
 353
 354 2016-06-23  Martin Liska  <mliska@suse.cz>
 355
 356         PR middle-end/71619
 357         * predict.c (predict_loops): Revert the hunk that was removed
 358         in r237103.
 359
 360 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
 361
 362         * config.gcc: Add support for arm*-*-phoenix* targets.
 363         * config/arm/t-phoenix: New.
 364         * config/phoenix.h: New.
 365
 366 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
 367             H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         PR target/67400
 370         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
 371         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
 372         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
 373         ix86_force_load_from_GOT_p returns true.
 374         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
 375         ix86_force_load_from_GOT_p returns true.
 376         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
 377         ix86_force_load_from_GOT_p returns true.
 378         (ix86_expand_move): Load the external function address via the
 379         GOT slot if ix86_force_load_from_GOT_p returns true.
 380         * config/i386/predicates.md (x86_64_immediate_operand): Return
 381         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
 382         (x86_64_zext_immediate_operand): Ditto.
 383
 384 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
 385
 386         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
 387
 388 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
 389
 390         PR c/70339
 391         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
 392         * diagnostic.c (pedwarn_at_rich_loc): New function.
 393         * spellcheck.h (best_match::best_match): Add a
 394         "best_distance_so_far" optional parameter.
 395         (best_match::set_best_so_far): New method.
 396         (best_match::get_best_distance): New accessor.
 397         (best_match::get_best_candidate_length): New accessor.
 398
 399 2016-06-22  Nick Clifton  <nickc@redhat.com>
 400
 401         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
 402         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
 403         modes are accepted as well.
 404         (ucompare_loc_descriptor): Likewise.
 405         (minmax_loc_descriptor): Likewise.
 406         (clz_loc_descriptor): Likewise.
 407         (popcount_loc_descriptor): Likewise.
 408         (bswap_loc_descriptor): Likewise.
 409         (rotate_loc_descriptor): Likewise.
 410         (mem_loc_descriptor): Likewise.
 411         (loc_descriptor): Likewise.
 412
 413 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
 414
 415         * common.opt (fdiagnostics-parseable-fixits): New option.
 416         * diagnostic.c: Include "selftest.h".
 417         (print_escaped_string): New function.
 418         (print_parseable_fixits): New function.
 419         (diagnostic_report_diagnostic): Call print_parseable_fixits.
 420         (selftest::assert_print_escaped_string): New function.
 421         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
 422         (selftest::test_print_escaped_string): New function.
 423         (selftest::test_print_parseable_fixits_none): New function.
 424         (selftest::test_print_parseable_fixits_insert): New function.
 425         (selftest::test_print_parseable_fixits_remove): New function.
 426         (selftest::test_print_parseable_fixits_replace): New function.
 427         (selftest::diagnostic_c_tests): New function.
 428         * diagnostic.h (struct diagnostic_context): Add field
 429         "parseable_fixits_p".
 430         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
 431         -fdiagnostics-parseable-fixits.
 432         (-fdiagnostics-parseable-fixits): New option.
 433         * opts.c (common_handle_option): Handle
 434         -fdiagnostics-parseable-fixits.
 435         * selftest-run-tests.c (selftest::run_tests): Call
 436         selftest::diagnostic_c_tests.
 437         * selftest.h (selftest::diagnostic_c_tests): New prototype.
 438
 439 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
 440
 441         PR tree-optimization/71488
 442         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
 443         comparison of boolean vectors.
 444         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
 445         of boolean vectors using bitwise operations.
 446
 447 2016-06-22  Andreas Schwab  <schwab@suse.de>
 448
 449         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
 450         Remove declaration.
 451
 452 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
 453
 454         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
 455
 456 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 457
 458         * config/i386/i386.c (print_reg): Emit an error message on attempt to
 459         print FLAGS_REG.
 460
 461 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 462
 463         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
 464         * config/arm/arm-cores.def (cortex-a73): New entry.
 465         (cortex-a73.cortex-a35): Likewise.
 466         (cortex-a73.cortex-a53): Likewise.
 467         * config/arm/arm-tables.opt: Regenerate.
 468         * config/arm/arm-tune.md: Likewise.
 469         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
 470         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 471         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
 472         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 473         * doc/invoke.texi (ARM Options): Document cortex-a73,
 474         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
 475
 476 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 477
 478         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
 479         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
 480         (cortex-a73.cortex-a35): Likewise.
 481         (cortex-a73.cortex-a53): Likewise.
 482         * config/aarch64/aarch64-tune.md: Regenerate.
 483         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
 484         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
 485         -mcpu and -mtune.
 486
 487 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 488
 489         * configure.ac (gcc_cv_as_compress_debug): Remove
 490         --compress-debug-sections as extra as switch.
 491         Handle gas --compress-debug-sections=type.
 492         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
 493         Handle gld --compress-debug-sections=type.
 494         * configure: Regenerate.
 495
 496 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
 497
 498         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
 499
 500 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
 501
 502         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
 503         (do_rewrite): likewise.
 504
 505 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 506
 507         * common/config/mep/mep-common.c: Remove.
 508         * config.gcc: Remove mep-* support.
 509         * config/mep/constraints.md: Remove.
 510         * config/mep/default.h: Remove.
 511         * config/mep/intrinsics.h: Remove.
 512         * config/mep/intrinsics.md: Remove.
 513         * config/mep/ivc2-template.h: Remove.
 514         * config/mep/mep-c5.cpu: Remove.
 515         * config/mep/mep-core.cpu: Remove.
 516         * config/mep/mep-default.cpu: Remove.
 517         * config/mep/mep-ext-cop.cpu: Remove.
 518         * config/mep/mep-intrin.h: Remove.
 519         * config/mep/mep-ivc2.cpu: Remove.
 520         * config/mep/mep-pragma.c: Remove.
 521         * config/mep/mep-protos.h: Remove.
 522         * config/mep/mep.c: Remove.
 523         * config/mep/mep.cpu: Remove.
 524         * config/mep/mep.h: Remove.
 525         * config/mep/mep.md: Remove.
 526         * config/mep/mep.opt: Remove.
 527         * config/mep/predicates.md: Remove.
 528         * config/mep/t-mep: Remove.
 529         * doc/install.texi: Remove mep-* documentation.
 530         * doc/md.texi: Likewise.
 531
 532 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 533
 534         * config.gcc: Remove support for avr-rtems.
 535         * config/avr/gen-avr-mmcu-specs.c: Likewise.
 536         * config/avr/rtems.h: Remove.
 537         * config/avr/t-rtems: Remove.
 538
 539 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 540
 541         * config.gcc: Remove m32r-rtems support.
 542         * config/m32r/rtems.h: Remove.
 543
 544 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 545
 546         * config.gcc: Remove h8300-rtems support.
 547         * config/h8300/rtems.h: Remove.
 548         * config/h8300/t-rtems: Remove.
 549
 550 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 551
 552         * config.gcc: Remove support for knetbsd.
 553         * configure.ac: Likewise.
 554         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
 555         * config/knetbsd-gnu.h: Remove.
 556         * configure: Regenerate.
 557
 558 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 559
 560         * config.gcc: Remove support for openbsd 2 and 3.
 561         * config/openbsd-oldgas.h: Remove.
 562
 563 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 564
 565         * config.gcc: Remove interix support.
 566         * config/i386/i386-interix.h: Remove.
 567         * config/i386/interix.opt: Remove.
 568         * config/i386/t-interix: Remove.
 569         * configure: Regenerate.
 570         * configure.ac: Remove interix support.
 571         * doc/install.texi: Remove interix documentation.
 572
 573 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 574
 575         * config/rs6000/rs6000.h: Add conditional preprocessing directives
 576         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
 577         not defined.
 578
 579 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 580
 581         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
 582         they are both PLACEHOLDER_EXPRs.
 583
 584 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 585
 586         * stor-layout.c (layout_type): Move setting complex MODE to
 587         layout_type, instead of setting it ahead of time by the caller.
 588         * tree.c (build_complex_type): Likewise.
 589
 590 2016-06-21  Martin Liska  <mliska@suse.cz>
 591
 592         * predict.c (force_edge_cold): Replace imposisble with
 593         impossible.
 594
 595 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 596
 597         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
 598         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
 599
 600 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 601
 602         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
 603
 604 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 605             Ilya Enkovich  <ilya.enkovich@intel.com>
 606
 607         PR target/71549
 608         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
 609         New member function to convert V1TImode register to SUBREG
 610         TImode in debug insn.
 611         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
 612         after changing register mode to V1TImode.
 613
 614 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
 615
 616         * config/aarch64/aarch64-cores.def (vulcan): New core.
 617         * config/aarch64/aarch64-tune.md: Regenerate.
 618         * doc/invoke.texi: Document vulcan as an available option.
 619
 620 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 621
 622         * cse.c (canon_asm_operands): New function extracted from...
 623         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
 624         either standalone or member of a PARALLEL.
 625
 626 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 627
 628         PR target/30417
 629         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
 630         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
 631         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
 632
 633 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 634
 635         PR target/71103
 636         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
 637         constant addresses if can_create_pseudo_p.
 638
 639 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
 640
 641         PR tree-optimization/71588
 642         * tree-ssa-strlen.c (valid_builtin_call): New function.
 643         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
 644         it.
 645
 646 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 647
 648         PR middle-end/71581
 649         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
 650         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
 651         for conversion of scalar user var to complex type and use the
 652         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
 653         punt.
 654
 655         PR rtl-optimization/71591
 656         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 657         don't run any tests.
 658
 659 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 660
 661         PR target/71571
 662         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 663         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 664         space for PIC with non-v32 and the common non-PIC "jump".
 665
 666 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 667
 668         PR target/71559
 669         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 670         returned values and add UN*/LTGT/*ORDERED cases with values matching
 671         D operand modifier on vcmp for AVX.
 672
 673 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 674
 675         * config/aarch64/aarch64.opt
 676         (mpc-relative-literal-loads): Rename internal option name.
 677         * config/aarch64/aarch64.c
 678         (aarch64_nopcrelative_literal_loads): Rename to
 679         aarch64_pcrelative_literal_loads.
 680         (aarch64_expand_mov_immediate): Likewise.
 681         (aarch64_secondary_reload): Likewise.
 682         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 683         (aarch64_override_options_after_change_1): Rename and simplify logic.
 684         (aarch64_classify_symbol): Merge large model checks into switch,
 685         remove pc-relative load check.
 686
 687 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 688
 689         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 690         costs relative to the cost of a register move.
 691
 692 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 693
 694         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 695         (vcvt_n_f64_u64): Likewise.
 696         (vcvt_n_s64_f64): Likewise.
 697         (vcvt_n_u64_f64): Likewise.
 698         (vcvt_f64_s64): Likewise.
 699         (vrecpe_f64): Likewise.
 700         (vcvt_f64_u64): Likewise.
 701         (vrecps_f64): Likewise.
 702
 703 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 704
 705         * config/aarch64/aarch64.md
 706         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 707         iterators.
 708         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 709         attributes.
 710         * config/aarch64/aarch64-builtins.c
 711         (aarch64_types_binop_uss_qualifiers): Delete.
 712         (TYPES_BINOP_USS): Likewise.
 713         (aarch64_types_binop_sus_qualifiers): Likewise.
 714         (TYPES_BINOP_SUS): Likewise.
 715         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 716         (TYPES_FCVTIMM_SUS): Likewise.
 717         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 718         rather than BINOP.
 719         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 720         (fcvtzs): Use SHIFTIMM rather than BINOP.
 721         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 722
 723 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 724
 725         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 726         costs relative to the cost of a register move.
 727
 728 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 729
 730         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 731         Allow scalar/single vector modes to be tieable.
 732
 733 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 734
 735         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 736
 737 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 738
 739         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 740         "alignement".
 741         * tree.h (TYPE_ALIGN): Likewise.
 742
 743 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 744
 745         PR target/71103
 746         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 747
 748 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 749
 750         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 751         literal" build warnings.
 752         (avr_print_operand_address): Dito.
 753
 754 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 755
 756         PR target/71375
 757         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 758         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 759
 760 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 761
 762         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 763
 764 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 765
 766         PR bootstrap/71435
 767         * reload1.c (reload): Pass 0 to finish_spills when called because
 768         update_eliminables_and_spill returns true and remove did_spill.
 769         (finish_spills): Adjust comment and document GLOBAL parameter.
 770
 771 2016-06-17  DJ Delorie  <dj@redhat.com>
 772
 773         PR target/71338
 774         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 775         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 776         (umulqihi3_virt): Likewise.
 777         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 778         (umulqihi3_real): Likewise.
 779
 780 2016-06-17  Martin Liska  <mliska@suse.cz>
 781
 782         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 783
 784 2016-06-17  Martin Liska  <mliska@suse.cz>
 785
 786         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 787
 788 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 789
 790         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 791         __FAST_MATH__.
 792         (vaddq_f32): Likewise.
 793         (vmul_f32): Likewise.
 794         (vmulq_f32): Likewise.
 795         (vsub_f32): Likewise.
 796         (vsubq_f32): Likewise.
 797
 798 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 799
 800         PR tree-optimization/71347
 801         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 802         cost for all uses in group.
 803
 804 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 805
 806         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 807         insert gimple seq if it's not empty.
 808
 809 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 810
 811         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 812         member OFFSET.
 813         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 814         rather than OFFSET.
 815         (comp_dr_with_seg_len_pair): Ditto.
 816         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 817         struct dr_with_seg_len_pair against DR_OFFSET.
 818         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 819         DR_OFFSET directly.
 820
 821 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 822
 823         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 824
 825 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 826
 827         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 828         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 829         (pa_output_millicode_call): Likewise.
 830         (pa_output_call): Likewise.
 831         (pa_output_indirect_call): Likewise.
 832         (pa_asm_output_mi_thunk): Likewise.
 833
 834 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 835
 836         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 837
 838 2016-06-16  Martin Liska  <mliska@suse.cz>
 839
 840         * predict.c (combine_predictions_for_insn): When we find a first
 841         match predictor, we should consider just predictors with
 842         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 843         DS theory predictor.
 844         (combine_predictions_for_bb): Likewise.
 845
 846 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 847
 848         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 849         with base of reference to struct.
 850
 851 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 852
 853         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 854
 855 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 856
 857         PR target/71151
 858         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 859         progmem_swtable_section.
 860         (progmem_swtable_section): Remove.
 861         (avr_asm_function_rodata_section): Remove.
 862         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 863         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
 864
 865 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
 866
 867         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 868         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
 869         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
 870         signature_CENTAUR_ebx.
 871         * config/i386/i386.c (ix86_option_override_internal): Add
 872         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
 873         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
 874         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
 875
 876 2016-06-16  Martin Liska  <mliska@suse.cz>
 877
 878         * predict.def: Add fortran loop preheader predictor.
 879         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
 880         fold IFN_BUILTIN_EXPECT with a known constant argument.
 881
 882 2016-06-16  Martin Liska  <mliska@suse.cz>
 883
 884         * predict.def: Add 'Fortran' to display text of all
 885         PRED_FORTRAN_* predictors.
 886
 887 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 888
 889         PR target/71242
 890         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
 891         [IA64_BUILTIN_NANSQ]: Ditto.
 892         (ia64_fold_builtin): New function.
 893         (TARGET_FOLD_BUILTIN): New define.
 894         (ia64_init_builtins) Declare const_string_type node.
 895         Add __builtin_nanq and __builtin_nansq builtin functions.
 896         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
 897
 898 2016-06-16  Nick Clifton  <nickc@redhat.com>
 899
 900         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
 901         MSP430_HWMULT_ prefix to enum values.
 902         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
 903         * config/msp430/msp430.c: Update use of enum values.
 904         * config/msp430/msp430.md: Likewise.
 905         * config/msp430/msp430.opt: Likewise.
 906
 907 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
 908
 909         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
 910         of comparsions in the last iteration.
 911
 912 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 913             Joern Rennecke  <joern.rennecke@embecosm.com>
 914
 915         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
 916         addresses.
 917         (arc_needs_pcl_p): Add GOTOFFPC.
 918         (arc_legitimate_pic_addr_p): Likewise.
 919         (arc_output_pic_addr_const): Likewise.
 920         (arc_legitimize_pic_address): Generate a pc-relative address using
 921         GOTOFFPC.
 922         (arc_output_libcall): Use @pcl syntax.
 923         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
 924         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
 925         (*movsi_insn): Use @pcl syntax.
 926         (doloop_begin_i): Likewise.
 927
 928 2016-06-16  Martin Liska  <mliska@suse.cz>
 929
 930         * predict.def: Define a new predictor.
 931
 932 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 933
 934         * config/arc/arc.opt (mtp-regno): Update text.
 935
 936 2016-06-16  Renlin Li  <renlin.li@arm.com>
 937
 938         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
 939
 940 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 941
 942         PR target/71554
 943         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
 944         (setcc + and peephole2): Likewise.
 945
 946         PR rtl-optimization/71532
 947         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
 948         memory slots.
 949
 950 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 951
 952         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
 953         DImode constants with XXSPLTIB in vector registers.
 954         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
 955         vsx_extract_<mode>_internal{1,2} into a single insn that handles
 956         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
 957         extraction of the element at the top of the register as a scalar
 958         value.
 959         (vsx_extract_<mode>_internal1): Likewise.
 960         (vsx_extract_<mode>_internal2): Likewise.
 961         * config/rs6000/constraints.md (wi constraint): Remove a comment
 962         about DImode not being allowed in Altivec registers.
 963         (wB constraint): New constraint for constants that can be
 964         generated in Altivec registers with VSPLTISW/VUPKHSW.
 965         * config/rs6000/predicates.md (xxspltib_constant_split): Update
 966         comments.
 967         (xxspltib_constant_nosplit): Likewise.
 968         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
 969         support for -mupper-regs-di to enable DImode to go into Altivec
 970         registers.
 971         (POWERPC_MASKS): Likewise.
 972         (power7 cpu): Likewise.
 973         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
 974         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
 975         for DImode being allowed in Altivec registers.  Update wi/wj
 976         constraints.  Set scalar_in_vmx_p flag.
 977         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
 978         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
 979         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
 980         (rs6000_opt_masks): Add -mupper-regs-di.
 981         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
 982         direct move to use wi and not wj.
 983         (lfiwzx): Likewise.
 984         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
 985         alternative.
 986         (floatunssi<mode>2_lfiwzx_mem): Likewise.
 987         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
 988         any VSX register, instead of just Altivec registers, to allow
 989         either operand to be an Altivec register or both.
 990         (fixuns_trunc<mode>di2_fctiduz): Likewise.
 991         (movdi_internal32): Add support for -mupper-regs-di.  Add support
 992         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
 993         the alternatives and attributes to be lined up to be easier to
 994         read.
 995         (movdi_internal64): Likewise.
 996         (64-bit DImode splitters): Change predicates to only split loading
 997         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
 998         load constants in ISA 3.0 or ISA 2.07 respectively.
 999         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1000         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
1001         mention -mcpu=power9 sets these options.
1002         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
1003         wB constraint.
1004
1005 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1006
1007         PR target/67353
1008         * config/avr/avr.c (avr_set_current_function): Warn misspelled
1009         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
1010         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
1011         by default to warn misspelled interrupt/ signal handler.
1012         * doc/invoke.texi (AVR Options): Document it. Update description
1013         for -nodevicelib option.
1014
1015 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1016
1017         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
1018         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
1019         (aarch64_<sur>shll2_n<mode>): Likewise.
1020
1021 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
1022
1023         PR middle-end/71529
1024         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
1025         DECL_CONTEXT for copied arguments.
1026
1027 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1028
1029         PR tree-optimization/71483
1030         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
1031         for slp
1032
1033 2016-06-15  Martin Liska  <mliska@suse.cz>
1034
1035         * predict.c (tree_predict_by_opcode): Call predict_edge_def
1036         instead of predict_edge w/o a probability.
1037
1038 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
1039
1040         PR tree-optimization/71439
1041         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
1042         live PHIs.
1043
1044 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1045
1046         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
1047         register subregs in SET_SRC.
1048
1049 2016-06-15  Richard Biener  <rguenther@suse.de>
1050
1051         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
1052         store restrictions.
1053
1054 2016-06-15  Richard Biener  <rguenther@suse.de>
1055
1056         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
1057         not consider dependences between accesses that belong to the
1058         same group.
1059         (vect_analyze_data_ref_dependences): Do not analyze read-read
1060         or self-dependences.
1061
1062 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1063
1064         * spellcheck-tree.c: Include spellcheck-tree.h rather than
1065         spellcheck.h.
1066         (find_closest_identifier): Reimplement in terms of
1067         best_match<tree,tree>.
1068         * spellcheck-tree.h: New file.
1069         * spellcheck.c (struct edit_distance_traits<const char *>): New
1070         struct.
1071         (find_closest_string): Reimplement in terms of
1072         best_match<const char *, const char *>.
1073         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
1074         overload to spellcheck-tree.h.
1075         (find_closest_identifier): Likewise.
1076         (struct edit_distance_traits<T>): New template.
1077         (class best_match): New class.
1078
1079 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1080
1081         * selftest-run-tests.c (selftest::run_tests): Call
1082         selftest::spellcheck_tree_c_tests.
1083         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
1084         * spellcheck-tree.c: Include selftest.h and stringpool.h.
1085         (selftest::test_find_closest_identifier): New function.
1086         (selftest::spellcheck_tree_c_tests): New function.
1087         * spellcheck.c (selftest::test_find_closest_string): Verify that
1088         the order of the vec does not affect the results for this case.
1089         (selftest::test_data): New array.
1090         (selftest::test_metric_conditions): New function.
1091         (selftest::spellcheck_c_tests): Add a test of case-comparison.
1092         Call selftest::test_metric_conditions.
1093
1094 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1095
1096         * config/rs6000/rs6000-builtin.def (commentary): Typo.
1097         (BU_P9_MISC_1): Likewise.
1098         (BU_P9_64BIT_MISC_0): Likewise.
1099         (BU_P9_MISC_0): Likewise.
1100
1101 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
1102
1103         * gcc-rich-location.c
1104         (gcc_rich_location::add_fixit_misspelled_id): New method.
1105         * gcc-rich-location.h
1106         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
1107
1108 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
1109
1110         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
1111         FreeBSD 11 and above.
1112
1113 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
1114
1115         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
1116
1117 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1118
1119         * expmed.h: Close parenthesis in "at your option" in copyright
1120         boilerplate.
1121         * lower-subreg.h: Likewise.
1122
1123 2016-06-14  Richard Biener  <rguenther@suse.de>
1124
1125         PR middle-end/71526
1126         * genmatch.c (expr::gen_transform): Use in_type for comparisons
1127         if available.
1128
1129 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1130
1131         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1132         New function.
1133         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
1134         mask+shift version.
1135         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
1136         New prototype.
1137         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
1138         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
1139
1140 2016-06-14  Richard Biener  <rguenther@suse.de>
1141
1142         PR tree-optimization/71522
1143         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
1144         copying into float copying.
1145
1146 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR tree-optimization/71520
1149         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
1150         (replace_block_by): Move user labels from bb1 to bb2.
1151
1152 2016-06-14  Richard Biener  <rguenther@suse.de>
1153
1154         PR middle-end/71310
1155         PR bootstrap/71510
1156         * expr.h (get_bit_range): Declare.
1157         * expr.c (get_bit_range): Export.
1158         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
1159         word_mode again to constrain the bitfield access.
1160
1161 2016-06-14  Richard Biener  <rguenther@suse.de>
1162
1163         PR tree-optimization/71521
1164         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
1165         division int_const_binop against zero divisor.
1166
1167 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         * config/i386/i386.md (signbittf2): New expander.
1170         * config/i386/sse.md (ptesttf2): New insn pattern.
1171
1172 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1173
1174         PR bootstrap/71481
1175         * input.c (selftest::test_reading_source_line): Avoid reading from
1176         __FILE__ by creating a tempfile with known content and reading
1177         from that instead.
1178
1179 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1180
1181         * pretty-print.c (assert_pp_format_colored): Skip the test if
1182         GCC_COLORS is set.
1183         (test_pp_format): Remove comment about GCC_COLORS.
1184
1185 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1186
1187         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
1188         * pretty-print.c (assert_pp_format_va): Add location param and use
1189         it with ASSERT_STREQ_AT.
1190         (assert_pp_format): Add location param and pass it to
1191         assert_pp_format_va.
1192         (assert_pp_format_colored): Likewise.
1193         (ASSERT_PP_FORMAT_1): New.
1194         (ASSERT_PP_FORMAT_2): New.
1195         (ASSERT_PP_FORMAT_3): New.
1196         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
1197         explicitly, or implicitly via the above macros.
1198         * selftest.c (selftest::pass): Use a selftest::location rather
1199         than file and line.
1200         (selftest::fail): Likewise.  Print the function name.
1201         (selftest::fail_formatted): Likewise.
1202         (selftest::assert_streq): Use a selftest::location rather than
1203         file and line.
1204         * selftest.h (selftest::location): New struct.
1205         (SELFTEST_LOCATION): New macro.
1206         (selftest::pass): Accept a const location & rather than file
1207         and line.
1208         (selftest::fail): Likewise.
1209         (selftest::fail_formatted): Likewise.
1210         (selftest::assert_streq): Likewise.
1211         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
1212         (ASSERT_FALSE): Likewise.
1213         (ASSERT_EQ): Likewise.
1214         (ASSERT_NE): Likewise.
1215         (ASSERT_STREQ): Likewise.
1216         (ASSERT_PRED1): Likewise.
1217         (ASSERT_STREQ_AT): New macro.
1218
1219 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
1220
1221         * selftest.c (selftest::fail_formatted): New function.
1222         (selftest::assert_streq): New function.
1223         * selftest.h (selftests::fail_formatted): New decl.
1224         (selftest::assert_streq): New decl.
1225         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
1226
1227 2016-06-13  Jeff Law  <law@redhat.com>
1228
1229         PR tree-optimization/71403
1230         * tree-ssa-threadbackward.c
1231         (convert_and_register_jump_thread_path): No longer accept reference
1232         to path.  Do not pop items off the path anymore.
1233         (fsm_find_control_statement_thread_paths): Do not allow threading
1234         to a deeper loop nest.  Pop the last item off the path here rather
1235         than in convert_and_register_jump_thread_path.
1236
1237 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1238             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
1239
1240         [AArch64] Emit division using the Newton series
1241
1242         * config/aarch64/aarch64-protos.h
1243         (cpu_approx_modes): Add new member "division".
1244         (aarch64_emit_approx_div): Declare new function.
1245         * config/aarch64/aarch64.c
1246         (generic_approx_modes): New member "division".
1247         (exynosm1_approx_modes): Likewise.
1248         (xgene1_approx_modes): Likewise.
1249         (aarch64_emit_approx_div): Define new function.
1250         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
1251         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
1252         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
1253         * doc/invoke.texi (-mlow-precision-div): Describe new option.
1254
1255 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1256             Wilco Dijkstra  <wilco.dijkstra@arm.com>
1257
1258         [AArch64] Emit square root using the Newton series
1259
1260         * config/aarch64/aarch64-protos.h
1261         (aarch64_emit_approx_rsqrt): Replace with new function
1262         "aarch64_emit_approx_sqrt".
1263         (cpu_approx_modes): New member "sqrt".
1264         * config/aarch64/aarch64.c
1265         (generic_approx_modes): New member "sqrt".
1266         (exynosm1_approx_modes): Likewise.
1267         (xgene1_approx_modes): Likewise.
1268         (aarch64_emit_approx_rsqrt): Replace with new function
1269         "aarch64_emit_approx_sqrt".
1270         (aarch64_override_options_after_change_1): Handle new option.
1271         * config/aarch64/aarch64-simd.md
1272         (rsqrt<mode>2): Use new function instead.
1273         (sqrt<mode>2): New expansion and insn definitions.
1274         * config/aarch64/aarch64.md: Likewise.
1275         * config/aarch64/aarch64.opt
1276         (mlow-precision-sqrt): Add new option description.
1277         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
1278
1279 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
1280
1281         [AArch64] Add more choices for the reciprocal square root approximation
1282
1283         Allow a target to prefer such operation depending on the operation mode.
1284
1285         * config/aarch64/aarch64-protos.h
1286         (AARCH64_APPROX_MODE): New macro.
1287         (AARCH64_APPROX_{NONE,ALL}): Likewise.
1288         (cpu_approx_modes): New structure.
1289         (tune_params): New member "approx_modes".
1290         * config/aarch64/aarch64-tuning-flags.def
1291         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
1292         * config/aarch64/aarch64.c
1293         (generic_approx_modes): New core "cpu_approx_modes" structure.
1294         (exynosm1_approx_modes): Likewise.
1295         (xgene1_approx_modes): Likewise.
1296         (generic_tunings): New member "approx_modes".
1297         (cortexa35_tunings): Likewise.
1298         (cortexa53_tunings): Likewise.
1299         (cortexa57_tunings): Likewise.
1300         (cortexa72_tunings): Likewise.
1301         (exynosm1_tunings): Likewise.
1302         (thunderx_tunings): Likewise.
1303         (xgene1_tunings): Likewise.
1304         (use_rsqrt_p): New argument for the mode and use new member from
1305         "tune_params".
1306         (aarch64_builtin_reciprocal): Devise mode from builtin.
1307         (aarch64_optab_supported_p): New argument for the mode.
1308         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
1309
1310 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1311
1312         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
1313         RS6000_BTM_MODULO flag into the set of flags that are considered
1314         to be part of the common configuration.
1315
1316 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1317
1318         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
1319         difference unsigned.
1320         (vec_absdb): New macro for vector absolute difference unsigned
1321         byte.
1322         (vec_absdh): New macro for vector absolute difference unsigned
1323         half-word.
1324         (vec_absdw): New macro for vector absolute difference unsigned word.
1325         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
1326         (vadu<mode>3): New insn.
1327         (*p9_vadu<mode>3): New insn.
1328         * config/rs6000/rs6000-builtin.def (vadub): New built-in
1329         definition.
1330         (vaduh): New built-in definition.
1331         (vaduw): New built-in definition.
1332         (vadu): New overloaded built-in definition.
1333         (vadub): New overloaded built-in definition.
1334         (vaduh): New overloaded built-in definition.
1335         (vaduw): New overloaded built-in definition.
1336         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1337         overloaded vector absolute difference unsigned functions.
1338         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1339         the ISA 3.0 vector absolute difference unsigned built-in functions.
1340
1341 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1342
1343         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
1344         update shared_lookup_references only once after changing operands.
1345
1346 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
1347
1348         PR middle-end/71373
1349         * tree-nested.c (convert_nonlocal_omp_clauses)
1350         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
1351
1352         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
1353         * tree.def (CASE_LABEL_EXPR): Likewise.
1354
1355 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1356
1357         PR bootstrap/71481
1358         * input.c (test_builtins): Fix an assertion.
1359
1360 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1361
1362         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
1363         (paritysi2): Ditto.
1364         (isinfxf2): Ditto.
1365         (isinf<mode>2): Ditto.
1366
1367 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1368
1369         * ggc-tests.c (test_finalization): Only test need_finalization_p
1370         for GCC_VERSION >= 4003.
1371
1372 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1373
1374         * config/s390/vecintrin.h: Fix file description in comment.
1375
1376 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1377
1378         * config/s390/s390-builtin-types.def: Change builtin type naming
1379         scheme to match builtin-types.def.
1380
1381 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
1382
1383         * fold-const.c (optimize_minmax_comparison): Remove.
1384         (fold_comparison): Remove call to the above.
1385         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
1386         New transformations.
1387
1388 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
1389
1390         PR tree-optimization/71416
1391         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
1392         multiple entries
1393
1394 2016-06-13  Martin Liska  <mliska@suse.cz>
1395
1396         * predict.c (enum predictor_reason): Prefix enum with REASON_.
1397         (combine_predictions_for_insn): Likewise.
1398         (prune_predictions_for_bb): Likewise.
1399         (combine_predictions_for_bb): Likewise.
1400
1401 2016-06-13  Richard Biener  <rguenther@suse.de>
1402
1403         PR tree-optimization/71505
1404         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1405         assert match comment.
1406
1407 2016-06-13  Marek Polacek  <polacek@redhat.com>
1408
1409         PR middle-end/71476
1410         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
1411         gimplify_switch_expr.
1412         (warn_switch_unreachable_r): New function.
1413
1414 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1415
1416         PR target/71379
1417         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1418         one.
1419
1420 2016-06-13  Richard Biener  <rguenther@suse.de>
1421
1422         PR middle-end/64516
1423         * fold-const.c (fold_unary_loc): Preserve alignment when
1424         folding a VIEW_CONVERT_EXPR into a MEM_REF.
1425
1426 2016-06-13  Martin Liska  <mliska@suse.cz>
1427
1428         PR sanitizer/71458
1429         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
1430         w/ -fsanitize=bounds.
1431
1432 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1433
1434         * config/i386/i386.c (ix86_init_builtins): Calculate
1435         FLOAT128_FTYPE_CONST_STRING function type only once.
1436         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
1437         built-in functions are available for x86-32 and x86-64 targets.
1438
1439 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         PR target/71241
1442         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
1443         New primitive type.
1444         (FLOAT128_FTYPE_CONST_STRING): New function type.
1445         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
1446         [IX86_BUILTIN_NANSQ]: Ditto.
1447         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1448         (ix86_init_builtin_types): Declare const_string_type_node.
1449         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
1450         builtin functions.
1451         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1452         * doc/extend.texi (x86 Built-in Functions): Document
1453         __builtin_nanq and __builtin_nansq.
1454
1455 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1456
1457         PR target/71061
1458         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1459         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1460         length for pop patterns.
1461         (arm_attr_length_push_multi): Update comments.
1462         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1463         attribute.
1464         (*pop_multiple_with_writeback_and_return): Likewise.
1465         (*pop_multiple_with_return): Likewise.
1466
1467 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1468
1469         PR middle-end/71310
1470         * fold-const.c (optimize_bit_field_compare): Don't try to use
1471         word_mode unconditionally for reading the bit field, look at
1472         DECL_BIT_FIELD_REPRESENTATIVE instead.
1473
1474 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1475
1476         PR middle-end/71478
1477         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1478         vector integer type.
1479
1480 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1481
1482         PR middle-end/71494
1483         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1484         without LABEL_DECL, set *handled_ops_p to false instead of true.
1485
1486 2016-06-10  Martin Sebor  <msebor@redhat.com>
1487
1488         PR c/71392
1489         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1490         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1491         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1492         them.
1493         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1494         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1495         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1496         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1497         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1498         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1499         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1500         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1501
1502 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1503
1504         * config/arm/arm.h (pool_vector_label,
1505         return_used_this_function): Remove.
1506
1507 2016-06-10  Jeff Law  <law@redhat.com>
1508
1509         PR tree-optimization/71335
1510         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1511         zero length paths here.
1512         (convert_and_register_jump_thread_path): Remove hacks related to
1513         duplicated blocks in the jump thread path.
1514         (fsm_find_control_statement_thread_paths): Avoid putting the same
1515         block on the thread path twice, but ensure the thread path is
1516         unchanged from the caller's point of view.
1517
1518 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1519
1520         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1521         * predict.def (PRED_LOOP_BRANCH): Remove.
1522
1523 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1524
1525         * Makefile.in (OBJS): Add ggc-tests.o.
1526         (GTFILES): Add ggc-tests.c.
1527         * ggc-tests.c: New file.
1528         * selftest-run-tests.c (selftest::run_tests): Call
1529         selftest::ggc_tests_c_tests.
1530         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1531
1532 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1533
1534         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1535
1536 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1537
1538         PR sanitizer/71480
1539         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1540         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1541
1542 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1543
1544         * profile.c: Include cfgloop.h.
1545         (branch_prob): Compute estimated number of iterations.
1546         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1547         recompute estimate number of iterations from profile.
1548
1549 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1550
1551         PR inline-asm/68843
1552         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1553         must be grouped on top of stack.  Don't force early clobber
1554         on ordinary reg outputs.
1555
1556 2016-06-10  Richard Biener  <rguenther@suse.de>
1557
1558         * targhooks.c (default_builtin_vectorization_cost): Adjust
1559         vec_construct cost.
1560
1561 2016-06-10  Richard Biener  <rguenther@suse.de>
1562
1563         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1564         to fold the RHS to a constant if possible.
1565
1566 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1567
1568         PR middle-end/71373
1569         * tree-nested.c (convert_nonlocal_omp_clauses)
1570         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1571         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1572         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1573
1574         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1575         OMP_CLAUSE_TILE.
1576         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1577
1578         * omp-low.c (scan_sharing_clauses): Don't expect
1579         OMP_CLAUSE__CACHE_.
1580
1581 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1582
1583         PR tree-optimization/71407
1584         PR tree-optimization/71416
1585         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1586         BIT_FIELD_REF type.
1587
1588 2016-06-10  Richard Biener  <rguenther@suse.de>
1589
1590         PR middle-end/71477
1591         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1592
1593 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1594
1595         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1596
1597 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1598             Jiong Wang  <jiong.wang@arm.com>
1599
1600         PR rtl-optimization/70751
1601         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1602         spilled into memory.
1603
1604 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1605
1606         Revert:
1607         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1608
1609         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1610         sysroot/usr/lib/32api for additional win32 libraries,
1611         fixes failing Cygwin bootstrapping.
1612
1613 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1614
1615         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1616         Delete.
1617
1618 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1619
1620         PR bootstrap/71471
1621         * pretty-print.c (pp_indent): Specify that %p is printed in a
1622         host-dependent manner.
1623         (test_pp_format): Remove the test for %p.
1624
1625 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1626
1627         * config/mips/mips.c (mips_output_jump): Fix formatting.
1628
1629 2016-06-09  Richard Biener  <rguenther@suse.de>
1630
1631         PR tree-optimization/71462
1632         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1633         removed blocks.
1634
1635 2016-06-09  Martin Liska  <mliska@suse.cz>
1636
1637         * predict.c (dump_prediction): Add new argument.
1638         (enum predictor_reason): New enum.
1639         (struct predictor_hash): New struct.
1640         (predictor_hash::hash): New function.
1641         (predictor_hash::equal): Likewise.
1642         (not_removed_prediction_p): New function.
1643         (prune_predictions_for_bb): Likewise.
1644         (combine_predictions_for_bb): Prune predictions.
1645
1646 2016-06-09  Martin Liska  <mliska@suse.cz>
1647
1648         * predict.c (filter_predictions): New function.
1649         (remove_predictions_associated_with_edge): Use the filter
1650         function.
1651         (equal_edge_p): New function.
1652
1653 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1654
1655         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1656         Correct usage of @samp vs @option, add @samp where appropriate.
1657         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1658         Add armv6s-m and document it, as it is no official ARM name.
1659
1660 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1661
1662         * ifcvt.c (struct noce_if_info): Add transform_name field.
1663         (noce_try_move): Set if_info->transform_name to the function name.
1664         (noce_try_ifelse_collapse): Likewise.
1665         (noce_try_store_flag): Likewise.
1666         (noce_try_inverse_constants): Likewise.
1667         (noce_try_store_flag_constants): Likewise.
1668         (noce_try_addcc): Likewise.
1669         (noce_try_store_flag_mask): Likewise.
1670         (noce_try_cmove): Likewise.
1671         (noce_try_cmove_arith): Likewise.
1672         (noce_try_minmax): Likewise.
1673         (noce_try_abs): Likewise.
1674         (noce_try_sign_mask): Likewise.
1675         (noce_try_bitop): Likewise.
1676         (noce_convert_multiple_sets): Likewise.
1677         (noce_process_if_block): Print if_info->transform_name to
1678         dump_file if transformation succeeded.
1679
1680 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1681
1682         * config/arm/cortex-a57.md (cortex_a57_alu):
1683         Handle csel type.
1684
1685 2016-06-08  Martin Sebor  <msebor@redhat.com>
1686             Jakub Jelinek  <jakub@redhat.com>
1687
1688         PR c++/70507
1689         PR c/68120
1690         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1691         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1692         * builtins.c: Include gimple-fold.h.
1693         (fold_builtin_arith_overflow): Handle
1694         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1695         (fold_builtin_3): Likewise.
1696         * doc/extend.texi (Integer Overflow Builtins): Document
1697         __builtin_{add,sub,mul}_overflow_p.
1698
1699 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1700
1701         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1702         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1703
1704 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1705
1706         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1707         Rewrite, looking one level down for records and arrays.
1708
1709 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1710
1711         * pretty-print.c: Include "selftest.h".
1712         (pp_format): Fix comment.
1713         (identifier_to_locale): Likewise.
1714         (selftest::test_basic_printing): New function.
1715         (selftest::assert_pp_format): New function.
1716         (selftest::test_pp_format): New function.
1717         (selftest::pretty_print_c_tests): New function.
1718         * selftest-run-tests.c (selftest::run_tests): Call
1719         selftest::pretty_print_c_tests.
1720         * selftest.h (pretty_print_c_tests): New declaration.
1721
1722 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1723
1724         * invoke.texi (max-loop-headers-insns): Document.
1725         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1726         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1727         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1728
1729 2016-06-08  Richard Biener  <rguenther@suse.de>
1730
1731         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1732         on strided SLP loads and fall back to scalar loads in case
1733         we can't chunk them.
1734
1735 2016-06-08  Richard Biener  <rguenther@suse.de>
1736
1737         PR tree-optimization/71452
1738         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1739         type used for the SSA rewrite has enough precision to cover
1740         the dynamic type of the location.
1741
1742 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1743             Richard Biener  <rguenther@suse.de>
1744
1745         PR c++/71448
1746         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1747         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1748         in one further place.
1749
1750 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1751
1752         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1753         to one word if the field is known to overlap other words.
1754         (extract_bit_field_1): Likewise.
1755         (store_split_bit_field): Remove compensating code.
1756         (extract_split_bit_field): Likewise.
1757
1758 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1759
1760         PR debug/71432
1761         PR ada/71413
1762         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1763
1764 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1765
1766         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1767         VDQF.
1768         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1769         (arch64_addpv4sf): Delete.
1770         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1771         "gen_aarch64_addpv4sf".
1772         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1773         builtin.
1774         (vpadds_f32): Likewise.
1775         (vpaddq_f32): Likewise.
1776         (vpaddq_f64): Likewise.
1777
1778 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1779
1780         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1781         VALLF.
1782         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1783         to VALLF.  Rename to "fabd<mode>3".
1784         "*fabd_scalar<mode>3): Delete.
1785         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1786         Use builtin.
1787         (vabdd_f64): Likewise.
1788         (vabd_f32): Likewise.
1789         (vabd_f64): Likewise.
1790         (vabdq_f32): Likewise.
1791         (vabdq_f64): Likewise.
1792
1793 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1794
1795         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1796         VALLF.
1797         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1798         "aarch64_rsqrts<mode>".
1799         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1800         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1801         builtin.
1802         (vrsqrtsd_f64): Likewise.
1803         (vrsqrts_f32): Likewise.
1804         (vrsqrts_f64): Likewise.
1805         (vrsqrtsq_f32): Likewise.
1806         (vrsqrtsq_f64): Likewise.
1807
1808 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1809
1810         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1811         VALLF.
1812         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1813         "aarch64_rsqrte<mode>".
1814         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1815         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1816         builtin.
1817         (vrsqrted_f64): Likewise.
1818         (vrsqrte_f32): Likewise.
1819         (vrsqrte_f64): Likewise.
1820         (vrsqrteq_f32): Likewise.
1821         (vrsqrteq_f64): Likewise.
1822
1823 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1824
1825         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1826         (ucvtf): Likewise.
1827         (fcvtzs): Likewise.
1828         (fcvtzu): Likewise.
1829         * config/aarch64/aarch64-simd.md
1830         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1831         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1832         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1833         Use builtin.
1834         (vcvt_n_f32_u32): Likewise.
1835         (vcvt_n_s32_f32): Likewise.
1836         (vcvt_n_u32_f32): Likewise.
1837         (vcvtq_n_f32_s32): Likewise.
1838         (vcvtq_n_f32_u32): Likewise.
1839         (vcvtq_n_f64_s64): Likewise.
1840         (vcvtq_n_f64_u64): Likewise.
1841         (vcvtq_n_s32_f32): Likewise.
1842         (vcvtq_n_s64_f64): Likewise.
1843         (vcvtq_n_u32_f32): Likewise.
1844         (vcvtq_n_u64_f64): Likewise.
1845         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1846         (VSDQ_SDI): Likewise.
1847         (fcvt_target): Support V4DI, V4SI and V2SI.
1848         (FCVT_TARGET): Likewise.
1849
1850 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1851
1852         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1853         (TYPES_BINOP_SUS): Likewise.
1854         (aarch64_simd_builtin_data): Update include file name.
1855         (aarch64_builtins): Likewise.
1856         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1857         for conversion between scalar float-point and fixed-point.
1858         (ucvtf): Likewise.
1859         (fcvtzs): Likewise.
1860         (fcvtzu): Likewise.
1861         * config/aarch64/aarch64.md
1862         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1863         pattern for conversion between scalar float to fixed-pointer.
1864         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1865         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1866         (UNSPEC_FCVTZU): Likewise.
1867         (UNSPEC_SCVTF): Likewise.
1868         (UNSPEC_UCVTF): Likewise.
1869         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1870         Use builtin.
1871         (vcvtd_n_f64_u64): Likewise.
1872         (vcvtd_n_s64_f64): Likewise.
1873         (vcvtd_n_u64_f64): Likewise.
1874         (vcvtd_n_f32_s32): Likewise.
1875         (vcvts_n_f32_u32): Likewise.
1876         (vcvtd_n_s32_f32): Likewise.
1877         (vcvts_n_u32_f32): Likewise.
1878         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1879         mapping.
1880         (FCVT_TARGET): Likewise.
1881         (FCVT_FIXED2F): New iterator.
1882         (FCVT_F2FIXED): Likewise.
1883         (fcvt_fixed_insn): New define_int_attr.
1884
1885 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1886
1887         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1888         some statements was removed.
1889
1890 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1891
1892         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1893         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1894         (vect_can_advance_ivs_p): likewise.
1895         (vect_update_ivs_after_vectorizer): likewise.
1896         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1897         (vect_analyze_scalar_cycles_1): likewise.
1898         (vect_analyze_loop_operations): likewise.
1899         (report_vect_op): likewise.
1900         (vect_is_slp_reduction): likewise.
1901         (vect_is_simple_reduction): likewise.
1902         (get_initial_def_for_induction): likewise.
1903         (vect_transform_loop): likewise.
1904         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1905         (vect_recog_sad_pattern): likewise.
1906         (vect_recog_widen_sum_pattern): likewise.
1907         (vect_recog_widening_pattern): likewise.
1908         (vect_recog_divmod_pattern): likewise.
1909         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1910         (vect_analyze_slp_instance): likewise.
1911         (vect_transform_slp_perm_load): likewise.
1912         (vect_schedule_slp_instance): likewise.
1913
1914 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1915
1916         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1917         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1918         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1919         (PRED_LOOP_BRANCH): Document predictor as broken.
1920         (PRED_LOOP_EXIT): Change hitrate 91->92.
1921         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1922         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1923         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1924         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1925         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1926         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1927         (PRED_CALL): Chane hitrate 71->67.
1928         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1929         (PRED_GOTO): Document as unused right now.
1930         (PRED_CONST_RETURN): Change hitrate 67->69
1931         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1932         (PRED_NULL_RETURN): Change hitrate 91->90.
1933         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1934         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1935         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1936
1937 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1938
1939         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1940         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1941         special case Altivec builtin.
1942         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1943         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1944         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1945         code for ALTIVEC_BUILTIN_VEC_MUL.
1946         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1947         for __builtin_vec_mul.
1948
1949 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1950
1951         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1952         -mno-htm.
1953
1954 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1955
1956         * spellcheck.c (selftest::test_find_closest_string): New function.
1957         (spellcheck_c_tests): Call the above.
1958
1959 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1960
1961         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1962
1963 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1964
1965         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1966         Yv=Yv,C alternatives.
1967
1968 2016-06-07  Richard Biener  <rguenther@suse.de>
1969
1970         PR c/61564
1971         * common.opt (ffast-math): Make Optimization.
1972
1973 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1974             Prachi Godbole  <prachi.godbole@imgtec.com>
1975
1976         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1977         `fabs' and `fneg' type attributes.
1978         (p5600_fpu_fabs): Add `fmove' to the comment.
1979
1980 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1981
1982         * gimple.c: Include builtins.h
1983         (gimple_inexpensive_call_p): New function.
1984         * gimple.h (gimple_inexpensive_call_p): Declare.
1985         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1986         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1987         fix formatting.
1988
1989 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1990
1991         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1992         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1993         warning_at_rich_loc, warning_n, pedwarn, permerror,
1994         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1995         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1996         Use the above.
1997
1998 2016-06-07  Richard Biener  <rguenther@suse.de>
1999
2000         PR tree-optimization/71428
2001         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
2002         BIT_FIELD_REF op vs. load.
2003
2004 2016-06-07  Richard Biener  <rguenther@suse.de>
2005
2006         PR middle-end/71423
2007         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2008         for signed ops.
2009
2010 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2011
2012         * config/pa/pa.md (call): Generate indirect long calls to non-local
2013         functions on TARGET_64BIT.
2014         (call_value): Likewise.
2015
2016 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
2017
2018         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
2019         pattern and subsequent splitters.
2020         (call_val_reg_64bit_post_reload): Likewise.
2021
2022 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2023
2024         PR middle-end/71408
2025         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
2026         propagate_op_to_single_use.
2027
2028 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
2029
2030         PR middle-end/71281
2031         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
2032
2033 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
2034
2035         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
2036         (enum x86_dirflag_state): New enum.
2037         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
2038         (machine_function): Remove needs_cld.
2039         (ix86_current_function_needs_cld): Remove.
2040         * config/i386/i386.c (ix86_set_func_type): Set
2041         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
2042         (ix86_expand_prologue): Do not emit CLD here.
2043         (ix86_dirflag_mode_needed): New function.
2044         (ix86_dirflag_mode_entry): Ditto.
2045         (ix86_mode_needed): Handle X86_DIRFLAG entity.
2046         (ix86_mode_after): Ditto.
2047         (ix86_mode_entry): Ditto.
2048         (ix86_mode_exit): Ditto.
2049         (ix86_emit_mode_set): Ditto.
2050         * config/i386/i386.md (strmov_singleop): Set
2051         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
2052         Do not set ix86_current_function_needs_cld.
2053         (rep_mov): Ditto.
2054         (strset_singleop): Ditto.
2055         (rep_stos): Ditto.
2056         (cmpstrnqi_nz_1): Ditto.
2057         (cmpstrnqi_1): Ditto.
2058         (strlenqi_1): Ditto.
2059
2060 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
2061
2062         PR tree-optimization/71259
2063         * tree-vect-slp.c (vect_get_constant_vectors): For
2064         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
2065         one for constant op, and use COND_EXPR for non-constant.
2066
2067 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
2068
2069         * Makefile.in (OBJS): Add function-tests.o,
2070         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
2071         selftest-run-tests.o.
2072         (OBJS-libcommon): Add selftest.o.
2073         (OBJS-libcommon-target): Add selftest.o.
2074         (all.internal): Add "selftest".
2075         (all.cross): Likewise.
2076         (selftest): New phony target.
2077         (s-selftest): New target.
2078         (selftest-gdb): New phony target.
2079         (COLLECT2_OBJS): Add selftest.o.
2080         * bitmap.c: Include "selftest.h".
2081         (selftest::test_gc_alloc): New function.
2082         (selftest::test_set_range): New function.
2083         (selftest::test_clear_bit_in_middle): New function.
2084         (selftest::test_copying): New function.
2085         (selftest::test_bitmap_single_bit_set_p): New function.
2086         (selftest::bitmap_c_tests): New function.
2087         * common.opt (fself-test): New.
2088         * diagnostic-show-locus.c: Include "selftest.h".
2089         (make_range): New function.
2090         (test_range_contains_point_for_single_point): New function.
2091         (test_range_contains_point_for_single_line): New function.
2092         (test_range_contains_point_for_multiple_lines): New function.
2093         (assert_eq): New function.
2094         (test_get_line_width_without_trailing_whitespace): New function.
2095         (selftest::diagnostic_show_locus_c_tests): New function.
2096         * et-forest.c: Include "selftest.h".
2097         (selftest::test_single_node): New function.
2098         (selftest::test_simple_tree): New function.
2099         (selftest::test_disconnected_nodes): New function.
2100         (selftest::et_forest_c_tests): New function.
2101         * fold-const.c: Include "selftest.h".
2102         (selftest::assert_binop_folds_to_const): New function.
2103         (selftest::assert_binop_folds_to_nonlvalue): New function.
2104         (selftest::test_arithmetic_folding): New function.
2105         (selftest::fold_const_c_tests): New function.
2106         * function-tests.c: New file.
2107         * gimple.c: Include "selftest.h".
2108         Include "gimple-pretty-print.h".
2109         (selftest::verify_gimple_pp): New function.
2110         (selftest::test_assign_single): New function.
2111         (selftest::test_assign_binop): New function.
2112         (selftest::test_nop_stmt): New function.
2113         (selftest::test_return_stmt): New function.
2114         (selftest::test_return_without_value): New function.
2115         (selftest::gimple_c_tests): New function.
2116         * hash-map-tests.c: New file.
2117         * hash-set-tests.c: New file.
2118         * input.c: Include "selftest.h".
2119         (selftest::assert_loceq): New function.
2120         (selftest::test_accessing_ordinary_linemaps): New function.
2121         (selftest::test_unknown_location): New function.
2122         (selftest::test_builtins): New function.
2123         (selftest::test_reading_source_line): New function.
2124         (selftest::input_c_tests): New function.
2125         * rtl-tests.c: New file.
2126         * selftest-run-tests.c: New file.
2127         * selftest.c: New file.
2128         * selftest.h: New file.
2129         * spellcheck.c: Include "selftest.h".
2130         (selftest::levenshtein_distance_unit_test_oneway): New function,
2131         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
2132         (selftest::levenshtein_distance_unit_test): Likewise.
2133         (selftest::spellcheck_c_tests): Likewise.
2134         * toplev.c: Include selftest.h.
2135         (toplev::run_self_tests): New.
2136         (toplev::main): Handle -fself-test.
2137         * toplev.h (toplev::run_self_tests): New.
2138         * tree.c: Include "selftest.h".
2139         (selftest::test_integer_constants): New function.
2140         (selftest::test_identifiers): New function.
2141         (selftest::test_labels): New function.
2142         (selftest::tree_c_tests): New function.
2143         * tree-cfg.c: Include "selftest.h".
2144         (selftest::push_fndecl): New function.
2145         (selftest::test_linear_chain): New function.
2146         (selftest::test_diamond): New function.
2147         (selftest::test_fully_connected): New function.
2148         (selftest::tree_cfg_c_tests): New function.
2149         * vec.c: Include "selftest.h".
2150         (selftest::safe_push_range): New function.
2151         (selftest::test_quick_push): New function.
2152         (selftest::test_safe_push): New function.
2153         (selftest::test_truncate): New function.
2154         (selftest::test_safe_grow_cleared): New function.
2155         (selftest::test_pop): New function.
2156         (selftest::test_safe_insert): New function.
2157         (selftest::test_ordered_remove): New function.
2158         (selftest::test_unordered_remove): New function.
2159         (selftest::test_block_remove): New function.
2160         (selftest::reverse_cmp): New function.
2161         (selftest::test_qsort): New function.
2162         (selftest::vec_c_tests): New function.c.
2163         * wide-int.cc: Include selftest.h and wide-int-print.h.
2164         (selftest::from_int <wide_int>): New function.
2165         (selftest::from_int <offset_int>): New function.
2166         (selftest::from_int <widest_int>): New function.
2167         (selftest::assert_deceq): New function.
2168         (selftest::assert_hexeq): New function.
2169         (selftest::test_printing <VALUE_TYPE>): New function template.
2170         (selftest::test_ops <VALUE_TYPE>): New function template.
2171         (selftest::test_comparisons <VALUE_TYPE>): New function template.
2172         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
2173         template.
2174         (selftest::wide_int_cc_tests): New function.
2175
2176 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2177
2178         PR middle-end/37780
2179         * ifcvt.c (noce_try_ifelse_collapse): New function.
2180         Declare prototype.
2181         (noce_process_if_block): Call noce_try_ifelse_collapse.
2182         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
2183         (simplify_ternary_operation): Use the above to simplify
2184         conditional CLZ/CTZ expressions.
2185
2186 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2187
2188         PR middle-end/37780
2189         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
2190         define_insn_and_split.
2191
2192 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2193
2194         PR middle-end/37780
2195         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
2196
2197 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2198
2199         PR c/24414
2200         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
2201         Implicitly clobber memory for basic asm with non-empty assembler
2202         string.  Use targetm.md_asm_adjust also here.
2203         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
2204         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
2205         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
2206         non-empty assembler string.
2207         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
2208         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
2209         (decode_asm_operands): Handle basic asm in PARALLEL block.
2210         (extract_insn): Handle basic asm in PARALLEL block.
2211         * doc/extend.texi: Mention new behavior of basic asm.
2212         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
2213         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
2214         branch_needs_nop_p): Use asm_noperands.
2215
2216 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
2217
2218         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
2219         Include the M7 SPARC DFA scheduler.
2220         New attribute v3pipe.
2221         Annotate insns with v3pipe where appropriate.
2222         Define cpu_feature vis4.
2223         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
2224         Add (V8QI "8") to vbits.
2225         Add insns {add,sub}v8qi3
2226         Add insns ss{add,sub}v8qi3
2227         Add insns us{add,sub}{v8qi,v4hi}3
2228         Add insns {min,max}{v8qi,v4hi,v2si}3
2229         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
2230         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
2231         * config/sparc/niagara4.md: Add a comment explaining the
2232         discrepancy between the documented latenty numbers and the
2233         implemented ones.
2234         * config/sparc/niagara7.md: New file.
2235         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
2236         supports SPARC5 and VIS 4.0 instructions.
2237         * configure: Regenerate.
2238         * config.in: Likewise.
2239         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
2240         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
2241         TARGET_CPU_niagara7.
2242         (ASM_CPU64_DEFAULT_SPEC): Likewise.
2243         (CPP_CPU_SPEC): Handle niagara7.
2244         (ASM_CPU_SPEC): Likewise.
2245         * config/sparc/sparc-opts.h (processor_type): Add
2246         PROCESSOR_NIAGARA7.
2247         (mvis4): New option.
2248         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
2249         (AS_NIAGARA7_FLAG): Define.
2250         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
2251         (CPP_CPU64_DEFAULT_SPEC): Likewise.
2252         (CPP_CPU_SPEC): Handle niagara7.
2253         (ASM_CPU_SPEC): Likewise.
2254         * config/sparc/sparc.c (niagara7_costs): Define.
2255         (sparc_option_override): Handle niagara7 and adjust cache-related
2256         parameters with better values for niagara cpus.  Also support VIS4.
2257         (sparc32_initialize_trampoline): Likewise.
2258         (sparc_use_sched_lookahead): Likewise.
2259         (sparc_issue_rate): Likewise.
2260         (sparc_register_move_cost): Likewise.
2261         (dump_target_flag_bits): Support VIS4.
2262         (sparc_vis_init_builtins): Likewise.
2263         (sparc_builtins): Likewise.
2264         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
2265         VIS4 4.0.
2266         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
2267         UltraSparc M7.
2268         * config/sparc/sparc.opt (sparc_processor_type): New value
2269         niagara7.
2270         * config/sparc/visintrin.h (__attribute__): Prototypes for the
2271         VIS4 builtins.
2272         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
2273         -mvis4.
2274         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
2275         VIS4 builtins.
2276
2277 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
2278
2279         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
2280
2281 2016-06-06  Richard Biener  <rguenther@suse.de>
2282
2283         PR tree-optimization/71398
2284         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
2285         remove edges.
2286
2287 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
2288
2289         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
2290         ft32_expand_prolog, ft32_expand_epilogue):
2291         Handle pretend_args.
2292         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
2293         * config/ft32/ft32.md: Add pretend_returner.
2294
2295 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
2296
2297         PR target/71389
2298         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2299         Copy op1 RTX to avoid invalid sharing.
2300         (ix86_expand_vector_move_misalign): Ditto.
2301
2302 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
2303
2304         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
2305         ATTRIBUTE_UNUSED.
2306
2307 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2308
2309         * predict.c (predicted_by_loop_heuristics_p): New function.
2310         (predict_iv_comparison): Use it.
2311         (predict_loops): Walk from innermost loops; do not predict edges
2312         leaving multiple loops multiple times; implement
2313         PRED_LOOP_ITERATIONS_MAX heuristics.
2314         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
2315
2316 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
2317
2318         * cfg.c (check_bb_profile): Do not report mismatched profiles when
2319         only edges out of BB are EH edges.
2320
2321 2016-06-04  Martin Sebor  <msebor@redhat.com>
2322             Marcin Baczyński  <marbacz@gmail.com>
2323
2324         PR c/48116
2325         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
2326         a void expression in a void function.
2327
2328 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2329
2330         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
2331         aux; dump reasons of decisions.
2332         (should_duplicate_loop_header_p): Likewise.
2333         (do_while_loop_p): Likewise.
2334         (ch_base::copy_headers): Dump asi num insns duplicated.
2335
2336 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
2337
2338         PR tree-optimization/71405
2339         * tree-ssa.c (execute_update_addresses_taken): For clobber with
2340         incompatible type, build a new clobber with the right type instead
2341         of building a VIEW_CONVERT_EXPR around it.
2342
2343 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2344
2345         PR tree-optimization/52171
2346         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
2347         by_pieces_ninsns instead of move_by_pieces_ninsns.
2348
2349 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
2350
2351         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
2352         for reg+reg addressing mode.
2353
2354 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2355
2356         * rs6000-c.c (c/c-tree.h): Add #include.
2357         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
2358         in C++ when found in the base position of vec_ld or vec_st.
2359
2360 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2361
2362         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
2363         use of profile unless profile status is PROFILE_READ.
2364         * profile.c (compute_branch_probabilities): Set profile status
2365         only after reporting predictor hitrates.
2366
2367 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
2368
2369         PR target/71276
2370         PR target/71277
2371         * common.opt (ffp-int-builtin-inexact): New option.
2372         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2373         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2374         (ceil@var{m}2): Document dependence on this option.
2375         * ipa-inline-transform.c (inline_call): Handle
2376         flag_fp_int_builtin_inexact.
2377         * ipa-inline.c (can_inline_edge_p): Likewise.
2378         * config/i386/i386.md (rintxf2): Do not test
2379         flag_unsafe_math_optimizations.
2380         (rint<mode>2_frndint): New define_insn.
2381         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
2382         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
2383         for 387 instead of extending and truncating.
2384         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
2385         !flag_trapping_math instead of flag_unsafe_math_optimizations.
2386         Change to frndint<mode>2_<rounding>.
2387         (frndintxf2_<rounding>_i387): Likewise.  Change to
2388         frndint<mode>2_<rounding>_i387.
2389         (<rounding_insn>xf2): Likewise.
2390         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
2391         !flag_trapping_math instead of flag_unsafe_math_optimizations for
2392         x87.  Test TARGET_ROUND || !flag_trapping_math ||
2393         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
2394         SSE.  Use ROUND_NO_EXC in constant operand of
2395         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
2396         for 387 instead of extending and truncating.
2397
2398 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2399             Julia Koval  <julia.koval@intel.com>
2400
2401         PR target/66960
2402         PR target/67630
2403         PR target/67634
2404         PR target/67841
2405         PR target/68037
2406         PR target/68618
2407         PR target/68661
2408         PR target/69575
2409         PR target/69596
2410         PR target/69734
2411         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
2412         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
2413         all registers, except for function return registers if there are
2414         no caller-saved registers.
2415         (ix86_set_func_type): New function.
2416         (ix86_set_current_function): Call ix86_set_func_type to set
2417         no_caller_saved_registers and func_type.  Call reinit_regs if
2418         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
2419         nor x87 instructions in interrupt handler nor function with
2420         no_caller_saved_registers attribute.
2421         (ix86_function_ok_for_sibcall): Return false if there are no
2422         caller-saved registers.
2423         (type_natural_mode): Don't warn ABI change for MMX in interrupt
2424         handler.
2425         (ix86_function_arg_advance): Skip for callee in interrupt handler.
2426         (ix86_function_arg): Return special arguments in interrupt handler.
2427         (ix86_promote_function_mode): Promote pointer to word_mode only
2428         for normal functions.
2429         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
2430         interrupt handler.
2431         (ix86_epilogue_uses): New function.
2432         (ix86_hard_regno_scratch_ok): Likewise.
2433         (ix86_save_reg): Preserve all registers in interrupt handler
2434         after reload.  Preserve all registers, except for function return
2435         registers, if there are no caller-saved registers after reload.
2436         (find_drap_reg): Always use callee-saved register if there are
2437         no caller-saved registers.
2438         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
2439         for interrupt handler.
2440         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
2441         Emit cld instruction if stringops are used in interrupt handler
2442         or interrupt handler isn't a leaf function.
2443         (ix86_expand_epilogue): Generate interrupt return for interrupt
2444         handler and pop the 'ERROR_CODE' off the stack before interrupt
2445         return in exception handler.
2446         (ix86_expand_call): Disallow calling interrupt handler directly.
2447         If there are no caller-saved registers, mark all registers that
2448         are clobbered by the call which returns as clobbered.
2449         (ix86_handle_no_caller_saved_registers_attribute): New function.
2450         (ix86_handle_interrupt_attribute): Likewise.
2451         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
2452         attributes.
2453         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
2454         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
2455         accumulation in interrupt function if stack may be realigned to
2456         avoid DRAP.
2457         (EPILOGUE_USES): New.
2458         (function_type): New enum.
2459         (machine_function): Add func_type and no_caller_saved_registers.
2460         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2461         (interrupt_return): New pattern.
2462         * doc/extend.texi: Document x86 interrupt and
2463         no_caller_saved_registers attributes.
2464
2465 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2466
2467         PR tree-optimization/52171
2468         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2469         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2470         Look for constant strings.  Move some code to emit_block_cmp_hints
2471         and use it.
2472         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2473         * defaults.h (COMPARE_MAX_PIECES): New macro.
2474         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2475         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2476         (clear_by_pieces_1): Don't declare.  Move definition before use.
2477         (can_do_by_pieces): New static function.
2478         (can_move_by_pieces): Use it.  Return bool.
2479         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2480         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2481         (class pieces_addr); New.
2482         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2483         pieces_addr::adjust, pieces_addr::increment_address,
2484         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2485         functions for it.
2486         (class op_by_pieces_d): New.
2487         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2488         functions for it.
2489         (class move_by_pieces_d, class compare_by_pieces_d,
2490         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2491         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2492         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2493         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2494         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2495         compare_by_pieces_d::finish_mode): New member functions.
2496         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2497         functions.
2498         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2499         (emit_block_cmp_hints): New function.
2500         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2501         use the newly defined classes.
2502         * expr.h (by_pieces_constfn): New typedef.
2503         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2504         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2505         (move_by_pieces_ninsns): Don't declare.
2506         (can_move_by_pieces): Change return value to bool.
2507         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2508         (compare_by_pieces_branch_ratio): New hook.
2509         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2510         (by_pieces_ninsns): Declare.
2511         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2512         COMPARE_BY_PIECES.
2513         (default_compare_by_pieces_branch_ratio): New function.
2514         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2515         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2516         * doc/tm.texi: Regenerate.
2517         * tree-ssa-strlen.c: Include "builtins.h".
2518         (handle_builtin_memcmp): New static function.
2519         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2520         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2521
2522 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2523
2524         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2525         relevant stmts which are simple and invariant.
2526         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2527         instead of simple and invariant
2528
2529 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2530
2531         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2532         (vectorizable_reduction): Check for new relevant state.
2533         (vectorizable_live_operation): vectorize live stmts using
2534         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2535         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2536         (vect_stmt_relevant_p): Check for stmts which are only used live.
2537         (process_use): Use of a stmt does not inherit it's live value.
2538         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2539         (vect_analyze_stmt): Check for new relevant state.
2540         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2541         outside the loop, but not inside it.
2542
2543 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2544
2545         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2546         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2547         (vect_get_vec_def_for_operand): Split out code.
2548
2549 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2550
2551         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2552
2553 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2554
2555         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2556
2557 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2558
2559         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2560
2561 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2562
2563         PR middle-end/71387
2564         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2565         to noreturn e->callee->decl that has void return type and void
2566         arguments, adjust gimple_call_fntype and remove lhs even if it had
2567         previously addressable type.
2568
2569 2016-06-02  Jeff Law  <law@redhat.com>
2570
2571         PR tree-optimization/71328
2572         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2573         error when checking for a jump back onto the copied path.
2574
2575 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2576
2577         * config/microblaze/microblaze.c (get_branch_target): Add return
2578         NULL_RTX for the non-CALL_P case.
2579         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2580         (insert_wic): Remove unused local "j".
2581
2582 2016-06-02  Martin Liska  <mliska@suse.cz>
2583
2584         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2585
2586 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2587             Julia Koval  <julia.koval@intel.com>
2588
2589         * function.c (assign_parm_setup_stack): Force source into a
2590         register if needed.
2591         * target.def (function_incoming_arg): Update documentation to
2592         allow arbitrary address computation based on hard register.
2593         * doc/tm.texi: Regenerated.
2594
2595 2016-06-02  Martin Liska  <mliska@suse.cz>
2596
2597         * predict.c (combine_predictions_for_bb): Fix first match in
2598         cases where a first predictor contains more than one occurence
2599         in list of predictors.  Take the best value in such case.
2600
2601 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2602
2603         PR rtl-optimization/71295
2604         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2605         offset would go over the size of the inner mode reject it.
2606
2607 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2608
2609         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2610         x=x,x and v=v,m instead of x=x,m.
2611
2612         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2613         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2614         alternative to v=rm,C.
2615
2616         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2617         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2618         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2619         instead of vex for the last two above mentioned alternatives.
2620
2621 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2622
2623         PR target/70830
2624         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2625
2626 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2627
2628         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2629
2630 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2631
2632         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2633         from int to unsigned.
2634
2635 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2636
2637         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2638         alternatives, eliminating preferred register class.  Add support
2639         for the MTVSRDD instruction in ISA 3.0.
2640         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2641         reg_or_indexed_operand.
2642         (vsx_splat_v4sf_internal): Likewise.
2643
2644 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2645
2646         PR target/71186
2647         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2648         for loading up all 0's or all 1's.
2649
2650 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2651
2652         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2653
2654 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2655
2656         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2657         extension.
2658         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2659         * gcc.c (set_source_date_epoch_envvar): New function, sets
2660         the SOURCE_DATE_EPOCH environment variable to the current time.
2661
2662 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2663
2664         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2665         the factor for live Phi nodes.
2666
2667 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2668
2669         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2670         * tree-parloops.c (parallelize_loops): likewise.
2671         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2672         tree_unswitch_outer_loop): likewise.
2673
2674 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR middle-end/71371
2677         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2678         around creation of the temporary.
2679
2680 2016-06-01  Richard Biener  <rguenther@suse.de>
2681
2682         PR tree-optimization/71366
2683         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2684         (unloop_loops): Move removing edges here ...
2685         (try_unroll_loop_completely): ... from here.
2686         (try_peel_loop): ... and here.
2687         (tree_unroll_loops_completely_1): Track parent loops via
2688         bitmap of header BBs.
2689         (tree_unroll_loops_completely): Adjust for that.
2690
2691 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2692
2693         * config/rs6000/altivec.h (vec_slv): New macro.
2694         (vec_srv): New macro.
2695         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2696         (UNSPEC_VSRV): New value.
2697         (vslv): New insn.
2698         (vsrv): New insn.
2699         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2700         (vsrv): New builtin definition.
2701         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2702         define argument types for new builtin.
2703         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2704         new builtin.
2705         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2706         functions.
2707
2708 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2709             Jocelyn Mayer  <l_indien@magic.fr>
2710
2711         PR target/67310
2712         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2713         detect processor family for signature_CENTAUR_ebx.
2714         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2715         signature_CENTAUR_ebx.
2716         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2717         <default>: Pass x86-64 for has_longmode.
2718
2719 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2720
2721         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2722         undefined weak.
2723
2724 2016-06-01  Richard Biener  <rguenther@suse.de>
2725
2726         PR tree-optimization/71261
2727         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2728         of stmts successfully put in the bool pattern.  Remove
2729         single-use restriction.
2730         (adjust_bool_pattern_cast): Add cast at the use site via the
2731         pattern def sequence.
2732         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2733         of patterned defs.  Use the pattern def seqence instead of
2734         multiple independent patterns.
2735         (sort_after_uid): New qsort compare function.
2736         (adjust_bool_stmts): New function to process stmts in the bool
2737         pattern in IL order.
2738         (vect_recog_bool_pattern): Adjust.
2739         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2740         (ifcvt_walk_pattern_tree): Likewise.
2741         (stmt_is_root_of_bool_pattern): Likewise.
2742         (ifcvt_repair_bool_pattern): Likewise.
2743         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2744
2745 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2746
2747         * loop-unroll.c (decide_unroll_constant_iterations,
2748         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2749         likely upper bounds.
2750         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2751
2752 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2753
2754         * tree-core.h (enum omp_clause_code): Remove
2755         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2756
2757 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2758
2759         * config/arm/sync.md (arm_store_exclusive<mode>):
2760         Use 'H' output modifier on operands[2] rather than creating a new
2761         entry in out-of-bounds memory of the operands array.
2762         (arm_store_release_exclusivedi): Likewise.
2763
2764 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2765
2766         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2767         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2768         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2769         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2770
2771 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2772
2773         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2774         into account live statements for mask producers.
2775
2776 2016-06-01  Richard Biener  <rguenther@suse.de>
2777
2778         PR tree-optimization/71311
2779         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2780         restrict to non-INTEGER_CST @0.
2781
2782 2016-06-01  Richard Biener  <rguenther@suse.de>
2783
2784         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2785         (relational patterns): Use :c to avoid pattern duplications.
2786
2787 2016-06-01  Richard Biener  <rguenther@suse.de>
2788
2789         * genmatch.c (comparison_code_p): New predicate.
2790         (swap_tree_comparison): New function.
2791         (commutate): Add for_vec parameter to append new for entries.
2792         Support commutating relational operators by swapping it alongside
2793         operands.
2794         (lower_commutative): Adjust.
2795         (dt_simplify::gen): Do not pass artificial operators to gen
2796         functions.
2797         (decision_tree::gen): Do not add artificial operators as parameters.
2798         (parser::parse_expr): Verify operator commutativity when :c is
2799         applied.  Allow :C to override this.
2800         * match.pd: Adjust patterns to use :C instead of :c where required.
2801
2802 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2803
2804         PR tree-optimization/71077
2805         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2806         the combining step, use boolean_false_node and boolean_true_node
2807         as the designated false/true return values.
2808
2809 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2810
2811         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2812         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2813         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2814         PRED_LOOP_EXIT.
2815
2816 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2817
2818         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2819         of flags impliying the register renaming.
2820         * toplev.c (process_options): Do not imply flag_rename_registers with
2821         loop peeling.
2822
2823 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2824
2825         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2826         default implementation.
2827
2828 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2829
2830         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2831
2832 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2833
2834         * config/sh/constraints.md (b): Remove constraint.
2835         * config/sh/predicates.md (arith_reg_operand): Remove
2836         TARGET_REGISTER_P.
2837         * config/sh/sh-modes.def (PDI): Remove.
2838         * config/sh/sh.c (sh_target_reg_class,
2839         sh_optimize_target_register_callee_saved): Remove functions.
2840         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2841         (sh_expand_epilogue): Update comment.
2842         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2843         sh_secondary_reload): Remove TARGET_REGS related code.
2844         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2845         TARGET_REGISTER_P): Remove macros.
2846         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2847         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2848         TR1_REG, TR2_REG): Remove constants.
2849         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2850
2851 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2852
2853         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2854         define_expand patterns.
2855         (adddi3_compact): Rename to adddi3.
2856         (subdi3_compact): Rename to subdi3.
2857         (*negdi2): Rename to negdi2.
2858         (*abs<mode>2): Rename to abs<mode>2.
2859
2860 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2861
2862         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2863         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2864         (atomic_sub_fetchsi): ... this new pattern.
2865         (mvtc): Add CC_REG clobber.
2866
2867 2016-05-31  Marek Polacek  <polacek@redhat.com>
2868
2869         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2870
2871 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2872
2873         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2874         aarch64_fusion_enabled_p to check for fusion capabilities.
2875
2876 2016-05-31  Richard Biener  <rguenther@suse.de>
2877
2878         PR tree-optimization/71352
2879         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2880         minus one and a negate.
2881
2882 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2883
2884         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2885         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2886         Delete prototype.
2887         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2888         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2889         Remove use of aarch64_simd_attr_length_move, set length attribute
2890         directly.
2891         (*aarch64_be_movoi): Likewise.
2892         (*aarch64_be_movci): Likewise.
2893         (*aarch64_be_movxi): Likewise.
2894
2895 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2896
2897         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2898         It no longer does that.
2899         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2900
2901 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2902
2903         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2904         attribute __unused__.
2905
2906 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2907
2908         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2909         * config/arm/arm.c (arm_arch_thumb1): Define.
2910         (arm_option_override): Initialize arm_arch_thumb1.
2911         * config/arm/arm.h (arm_arch_thumb1): Declare.
2912         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2913         support Thumb-1 ISA.
2914
2915 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2916
2917         PR target/71346
2918         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2919         `Yv' for scalar operand.
2920
2921 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2922
2923         PR tree-optimization/69068
2924         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2925         phis with more than two args.
2926
2927 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2928
2929         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2930         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2931         target.
2932
2933 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2934
2935         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2936         tune_64.
2937         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2938         support on SPARC.
2939         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2940         cpu_32, cpu_64, tune_32 and tune_64.
2941         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2942
2943 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2944
2945         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2946
2947 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2948
2949         * auto-profile.c (read_profile): Replace asserts with errors
2950         when file does not exist.
2951         * gcov-io.c (gcov_read_words): Dito.
2952
2953 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2954
2955         * tree-cfg.c (print_loop): Print likely upper bounds.
2956
2957 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2958
2959         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2960         * opts.c (default_options): Enable peel loops at -O3.
2961         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2962         (try_peel_loop): Do not re-peel already peeled loops;
2963         use likely upper bounds; fix profile updating.
2964         (pass_complete_unroll::execute): Initialize peeled_loops.
2965
2966 2016-05-30  Martin Liska  <mliska@suse.cz>
2967
2968         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2969         computed costs by frequency of BB they belong to.
2970         (get_scaled_computation_cost_at): New function.
2971
2972 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2973             Marc Glisse  <marc.glisse@inria.fr>
2974
2975         PR tree-optimization/71289
2976         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2977
2978 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2979
2980         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2981
2982 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2983
2984         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2985         for peeled copies; avoid underflow when updating estimates; correctly
2986         scale loop profile.
2987
2988 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2989
2990         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2991         r236875. Corrected oe3 to oe2 as obvious.
2992
2993 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2994
2995         PR middle-end/71269
2996         PR middle-end/71252
2997         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2998         that inserted stmt will not dominate stmts that defines its operand.
2999         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
3000         (rewrite_expr_tree_parallel): Likewise.
3001
3002 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
3003
3004         PR middle-end/71252
3005         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
3006         all fields including stmt_to_insert are swapped.
3007
3008 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3009
3010         * predict.h (force_edge_cold): Declare.
3011         * predict.c (force_edge_cold): New function.
3012         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
3013         updating.
3014         (canonicalize_loop_induction_variables): Fix formating.
3015
3016 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3017
3018         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3019         (visium_expand_copysign): Use gen_int_mode directly.
3020         (visium_compute_frame_size): Minor tweaks.
3021
3022 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
3023
3024         * tree-vect-loop.c (vect_analyze_loop_2): Use
3025         likely_max_stmt_executions_int.
3026
3027 2016-05-30  Tom de Vries  <tom@codesourcery.com>
3028
3029         PR tree-optimization/69067
3030         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
3031
3032 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
3033
3034         PR target/71245
3035         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3036         New peepholes to remove unneeded fild/fistp pairs.
3037         (define_peephole2 atomic_loaddi_fpu): Ditto.
3038
3039 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3040
3041         * predict.c (maybe_hot_frequency_p): Avoid division.
3042
3043 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
3044
3045         * doc/install.texi: Use https for shop.fsf.org.
3046
3047 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3048
3049         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
3050         likely_max_stmt_executions_int.
3051
3052 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3053
3054         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
3055         likely_max_stmt_executions_int.
3056
3057 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3058
3059         * profile.c (compute_branch_probabilities): Do not report hitrates
3060         here.
3061         (branch_prob): Report hitrates here.
3062         * predict.c (gimple_predict_edge): Do not assert profile status;
3063         fix formatting issues.
3064
3065 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3066
3067         * predict.c (edge_predicted_by_p): New function.
3068         (predict_paths_for_bb): Do not put multiple predictions of the same type
3069         on one edge.
3070
3071 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3072
3073         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
3074         commit.
3075
3076 2016-05-28  Alan Modra  <amodra@gmail.com>
3077
3078         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
3079
3080 2016-05-28  Alan Modra  <amodra@gmail.com>
3081
3082         PR rtl-optimization/71275
3083         * ira.c (ira): Free dominance info.
3084
3085 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
3086
3087         * doc/sourcebuild.texi: New address for upstream Go repository.
3088
3089 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3090
3091         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
3092         (TARGET_ARM_V7M): Likewise.
3093
3094 2016-05-26  Jeff Law  <law@redhat.com>
3095
3096         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
3097         (thread_across_edge): Remove calls to find_jump_threads_backwards.
3098         * passes.def: Add jump threading passes before DOM/VRP.
3099         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
3100         argument to a basic block from an edge.  Remove tests which are
3101         handled elsewhere.
3102         (pass_data_thread_jumps, class pass_thread_jumps): New.
3103         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
3104         (make_pass_thread_jumps): Likewise.
3105         * tree-pass.h (make_pass_thread_jumps): Declare.
3106
3107 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3108
3109         * config/visium/visium-protos.h (split_double_move): Rename into...
3110         (visium_split_double_move): ...this.
3111         (visium_split_double_add): Declare.
3112         * config/visium/visium.c (split_double_move): Rename into...
3113         (visium_split_double_move): ...this.
3114         (visium_split_double_add): New function.
3115         (visium_expand_copysign): Renumber operands for consistency.
3116         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
3117         (DFmode move splitter): Likewise.
3118         (*addi3_insn): Split by means of visium_split_double_add.
3119         (*adddi3_insn_flags): Delete.
3120         (*plus_plus_sltu<subst_arith>): New insn.
3121         (*subdi3_insn): Split by means of visium_split_double_add.
3122         (subdi3_insn_flags): Delete.
3123         (*minus_minus_sltu<subst_arith>): New insn.
3124         (*negdi2_insn): Split by means of visium_split_double_add.
3125         (*negdi2_insn_flags): Delete.
3126
3127 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
3128
3129         * configure.ac: Treat a --with-headers option without argument
3130         the same as the default (i.e. consult sys-include directory).
3131         * configure: Regenerate.
3132
3133 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3134
3135         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
3136         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
3137         prototype.
3138         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
3139         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
3140
3141 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3142
3143         PR target/63596
3144         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
3145         tree-stdarg analysis results.
3146         (aarch64_setup_incoming_varargs): Likewise.
3147
3148 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
3149
3150         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
3151         va_list_gpr_counter_field and va_list_fpr_counter_field.
3152
3153 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
3154
3155         PR67609
3156         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
3157         * config/aarch64/aarch64.c
3158         (aarch64_cannot_change_mode_class): Remove function.
3159         * config/aarch64/aarch64-protos.h
3160         (aarch64_cannot_change_mode_class): Remove.
3161
3162 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
3163
3164         * cfgloop.c (record_niter_bound): Record likely upper bounds.
3165         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
3166         get_likely_max_loop_iterations_int): New.
3167         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
3168         any_likely_upper_bound.
3169         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
3170         Declare.
3171         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
3172         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
3173         upper bound.
3174         (unroll_loop_constant_iterations): Likewise.
3175         (unroll_loop_runtime_iterations): Likewise.
3176         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
3177         * lto-streamer-out.c (output_cfg): Likewise.
3178         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
3179         bounds.
3180         (canonicalize_loop_induction_variables): Dump likely upper bounds.
3181         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
3182         (likely_max_loop_iterations): New.
3183         (likely_max_loop_iterations_int): New.
3184         (likely_max_stmt_executions): New.
3185         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
3186         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
3187         likely_max_stmt_executions): Declare.
3188
3189 2016-05-27  Marek Polacek  <polacek@redhat.com>
3190
3191         PR middle-end/71308
3192         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
3193
3194 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3195
3196         * config/s390/s390.md (2x risbg splitters): Use
3197         reg_overlap_mentioned_p instead of rtx_equal_p.
3198
3199 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3200
3201         * combine.c (make_compound_operation): Take known zero bits into
3202         account when checking for possible zero_extend.
3203
3204 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3205
3206         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
3207         Use const_int_operand for operand 2 predicate.  Simplify expand code
3208         as a result.
3209
3210 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
3211
3212         PR middle-end/71279
3213         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
3214         into comparison.
3215
3216 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3217
3218         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
3219         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
3220         that returns CC_SESWPmode and CC_ZESWPmode.
3221         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
3222         and CC_SESWPmode.
3223         (aarch64_rtx_costs): Likewise.
3224
3225 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3226
3227         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
3228         for ISA 3.0 min/max support.
3229         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
3230         conditional move support.
3231         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
3232         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
3233         available.
3234         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
3235         conditional moves where the comparison type is different from move
3236         type.
3237         (fp_minmax): New code iterator for smin/smax.
3238         (minmax): New code attributes for min/max.
3239         (SMINMAX): Likewise.
3240         (smax<mode>3): Combine min, max insns into one insn using the
3241         fp_minmax code iterator.  Add support for ISA 3.0 min/max
3242         instructions that don't need -ffast-math.
3243         (s<minmax><mode>3): Likewise.
3244         (smax<mode>3_vsx): Likewise.
3245         (smin<mode>3): Likewise.
3246         (s<minmax><mode>3_vsx): Likewise.
3247         (smin<mode>3_vsx): Likewise.
3248         (pre-VSX min/max splitters): Likewise.
3249         (s<minmax><mode>3_fpr): Likewise.
3250         (movsfcc): Rewrite floating point conditional moves to combine
3251         SFmode/DFmode into a single insn.
3252         (mov<mode>cc): Likewise.
3253         (movdfcc): Likewise.
3254         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
3255         SFDF2 iterators to handle all combinations.
3256         (fseldfsf4): Likewise.
3257         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
3258         (fseldfdf4): Likewise.
3259         (fselsfdf4): Likewise.
3260         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
3261         comparison instructions that set a 0/-1 mask, and use it for
3262         floating point conditional move via XXSEL.
3263         (fpmask<mode>): Likewise.
3264         (xxsel<mode>): Likewise.
3265         * config/rs6000/predicates.md (min_max_operator): Delete, no
3266         longer used.
3267         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
3268         instructions that generate a 0/-1 mask for use with XXSEL.
3269         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
3270         say whether floating point min/max is available, either through
3271         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
3272         (TARGET_MINMAX_DF): Likewise.
3273
3274 2016-05-27  Alan Modra  <amodra@gmail.com>
3275
3276         PR rtl-optimization/71275
3277         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
3278         for update_equiv_regs and combine_and_move_insns.
3279
3280 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
3281
3282         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
3283         if_then_else or cond RTXes to calculate attribute value.
3284         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
3285         <attr "length_immediate>: Ditto.
3286         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
3287         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
3288         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
3289         <attr "type">: Ditto.
3290         <attr "prefix_data16">: Ditto.
3291         <attr "prefix_extra">: Ditto.
3292         <attr "length_immediate">: Ditto.
3293         <attr "prefix">: Ditto.
3294         (vec_set<mode>_0) <attr "isa">: Ditto.
3295         <attr "prefix_extra">: Ditto.
3296         <attr "length_immediate">: Ditto.
3297         <attr "prefix">: Ditto.
3298         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
3299         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
3300         (sse2_storelpd) <attr "prefix_data16">: Ditto.
3301         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
3302         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
3303         <attr "length_immediate">: Ditto.
3304         <attr "prefix">: Ditto.
3305         (sse2_movsd) <attr "length_immediate">: Ditto.
3306         <attr "prefix">: Ditto.
3307         (vec_concatv2df)  <attr "isa">: Ditto.
3308         <attr "prefix">: Ditto.
3309         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
3310         (*vec_extractv2di_1) <attr "isa">: Ditto.
3311         <attr "type">: Ditto.
3312         <attr "length_immediate">: Ditto.
3313         <attr "prefix_rex">: Ditto.
3314         <attr "prefix_extra">: Ditto.
3315         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
3316         <attr "prefix_extra">: Ditto.
3317         <attr "length_immediate">: Ditto.
3318         (vec_concatv2di) <attr "isa">: Ditto.
3319         <attr "prefix_extra">: Ditto.
3320         <attr "length_immediate">: Ditto.
3321         <attr "prefix">: Ditto.
3322
3323 2016-05-26  Martin Liska  <mliska@suse.cz>
3324
3325         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
3326         function.
3327         (operator+): Likewise.
3328         (operator-): Likewise.
3329         (comp_cost::operator+=): Likewise.
3330         (comp_cost::operator-=): Likewise.
3331         (comp_cost::operator/=): Likewise.
3332         (comp_cost::operator*=): Likewise.
3333         (operator<): Likewise.
3334         (operator==): Likewise.
3335         (operator<=): Likewise.
3336         (new_cost): Remove.
3337         (infinite_cost_p): Likewise.
3338         (add_costs): Likewise.
3339         (sub_costs): Likewise.
3340         (compare_costs): Likewise.
3341         (set_group_iv_cost): Use the newly introduced functions.
3342         (get_address_cost): Likewise.
3343         (get_shiftadd_cost): Likewise.
3344         (force_expr_to_var_cost): Likewise.
3345         (split_address_cost): Likewise.
3346         (ptr_difference_cost): Likewise.
3347         (difference_cost): Likewise.
3348         (get_computation_cost_at): Likewise.
3349         (determine_group_iv_cost_generic): Likewise.
3350         (determine_group_iv_cost_address): Likewise.
3351         (determine_group_iv_cost_cond): Likewise.
3352         (autoinc_possible_for_pair): Likewise.
3353         (determine_group_iv_costs): Likewise.
3354         (cheaper_cost_pair): Likewise.
3355         (iv_ca_recount_cost): Likewise.
3356         (iv_ca_set_no_cp): Likewise.
3357         (iv_ca_set_cp): Likewise.
3358         (iv_ca_cost): Likewise.
3359         (iv_ca_new): Likewise.
3360         (iv_ca_dump): Likewise.
3361         (iv_ca_narrow): Likewise.
3362         (iv_ca_prune): Likewise.
3363         (iv_ca_replace): Likewise.
3364         (try_add_cand_for): Likewise.
3365         (try_improve_iv_set): Likewise.
3366         (find_optimal_iv_set): Likewise.
3367
3368 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
3369
3370         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3371         that internal functions will clobber all caller-saved registers.
3372
3373 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3374
3375         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
3376         Return a better case_values_threshold when optimizing.
3377
3378 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3379
3380         * config/aarch64/aarch64-simd.md (aarch64_combinez):
3381         Add ? to integer variant.
3382         (aarch64_combinez_be): Likewise.
3383
3384 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
3385
3386         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
3387         instead of x constraint.
3388         (vcvtps2ph256<mask_name>): Likewise.
3389
3390         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
3391         alternative.  Formatting fix.
3392
3393         * config/i386/sse.md
3394         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
3395         to ...
3396         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
3397         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
3398         maybe_evex prefix instead of vex.
3399         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
3400         EXT_REX_SSE_REG_P (op0) case in the splitter.
3401
3402 2016-05-25  Jeff Law  <law@redhat.com>
3403
3404         PR tree-optimization/71272
3405         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
3406         Update comments.  Add test for empty path.
3407
3408 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3409
3410         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
3411         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
3412         special case builtin.
3413         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3414         code for ALTIVEC_BUILTIN_VEC_CMPNE.
3415         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3416         for __builtin_vec_cmpne.
3417
3418 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3419
3420         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3421         redundant test and bail out if the type of the new operand is not
3422         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3423
3424 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3425
3426         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
3427         (x_ix86_target_flags_explicit): Remove.
3428         * config/i386/i386.c (ix86_function_specific_save): Do not copy
3429         x_ix86_target_flags_explicit.
3430         (ix86_function_specific_restore): Ditto.
3431
3432 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3433             H.J. Lu  <hongjiu.lu@intel.com>
3434
3435         PR target/70738
3436         * common/config/i386/i386-common.c
3437         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
3438         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
3439         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
3440         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
3441         (-mgeneral-regs-only): Add new option.
3442         * config/i386/i386.c (ix86_option_override_internal): Don't enable
3443         x87 instructions if only general registers are allowed.
3444         (ix86_target_string): Add ix86_flags argument. Handle additional
3445         flags options through ix86_flags argument.  Update all callers.
3446         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
3447
3448 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3449
3450         PR rtl-optimization/66940
3451         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
3452         decrementing desired_val will not overflow before performing these
3453         operations.
3454
3455 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3456
3457         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3458         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3459         * config/i386/i386.c (enum ix86_builtins): Add
3460         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3461         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3462         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3463         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3464         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3465         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3466         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3467         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3468         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3469         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3470         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3471         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3472         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3473         __builtin_ia32_cvtps2dq512_mask.
3474         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3475         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3476         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3477         * config/i386/sse.md
3478         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3479         Rename to ...
3480         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3481         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3482         to ...
3483         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3484         (avx512f_vec_pack_sfix_v8df): New define_expand.
3485         (avx512f_roundpd512): Rename to ...
3486         (avx512f_round<castmode>512): ... this.  Change iterator.
3487         (avx512f_roundps512_sfix): New define_expand.
3488         (round<mode>2_sfix): Change iterator.
3489
3490 2016-05-25  Nick Clifton  <nickc@redhat.com>
3491
3492         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3493         static interrupt handler is detected.
3494         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3495         default linker script.
3496         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3497         the low part of a symbolic pointer.
3498
3499 2016-05-25  Richard Biener  <rguenther@suse.de>
3500
3501         PR tree-optimization/71261
3502         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3503         interesting stmt instead of immediate uses when looking
3504         for the use operand to replace.
3505
3506 2016-05-25  Martin Liska  <mliska@suse.cz>
3507
3508         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3509
3510 2016-05-25  Richard Biener  <rguenther@suse.de>
3511
3512         PR tree-optimization/71264
3513         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3514         vector type val.
3515
3516 2016-05-25  Martin Liska  <mliska@suse.cz>
3517
3518         PR tree-optimization/71239
3519         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3520         if DECL_SIZE is NULL.
3521
3522 2016-05-25  Richard Biener  <rguenther@suse.de>
3523
3524         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3525         * tree-if-conv.c (pass_data_if_conversion): Use it.
3526
3527 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3528
3529         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3530         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3531         * varpool.c (varpool_node::get_availability): Likewise.
3532
3533 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3534
3535         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3536         VNEGW/VNEGD instructions.
3537         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3538         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3539         support for ISA 3.0 VNEGW/VNEGD instructions.
3540
3541 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3542
3543         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3544         pointers inside OACC_DATA regions.
3545         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3546         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3547         (gimplify_adjust_omp_clauses): Fix typo in comment.
3548
3549 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3550
3551         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3552         parity built-in functions.
3553         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3554         zeros.
3555         (p9v_parity<mode>2): Likewise.
3556         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3557         parity.
3558         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3559         (parity<mode>2): ISA 3.0 expander for vector parity.
3560         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3561         power9 built-ins.
3562         (BU_P9_64BIT_MISC_0): Likewise.
3563         (BU_P9_MISC_0): Likewise.
3564         (BU_P9V_AV_1): Likewise.
3565         (BU_P9V_AV_2): Likewise.
3566         (BU_P9V_AV_3): Likewise.
3567         (BU_P9V_AV_P): Likewise.
3568         (BU_P9V_VSX_1): Likewise.
3569         (BU_P9V_OVERLOAD_1): Likewise.
3570         (BU_P9V_OVERLOAD_2): Likewise.
3571         (BU_P9V_OVERLOAD_3): Likewise.
3572         (VCTZB): Add vector count trailing zeros support.
3573         (VCTZH): Likewise.
3574         (VCTZW): Likewise.
3575         (VCTZD): Likewise.
3576         (VPRTYBD): Add vector parity support.
3577         (VPRTYBQ): Likewise.
3578         (VPRTYBW): Likewise.
3579         (VCTZ): Add overloaded vector count trailing zeros support.
3580         (VPRTYB): Add overloaded vector parity support.
3581         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3582         overloaded vector count trailing zeros and parity instructions.
3583         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3584         vector parity support.
3585         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3586         trailing zeros support.
3587         (vec_cntlz): Likewise.
3588         (vec_vctzb): Likewise.
3589         (vec_vctzd): Likewise.
3590         (vec_vctzh): Likewise.
3591         (vec_vctzw): Likewise.
3592         (vec_vprtyb): Add ISA 3.0 vector parity support.
3593         (vec_vprtybd): Likewise.
3594         (vec_vprtybw): Likewise.
3595         (vec_vprtybq): Likewise.
3596         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3597         the ISA 3.0 vector count trailing zeros and vector parity built-in
3598         functions.
3599
3600 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3601
3602         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3603         when there is stmt_to_insert.
3604
3605 2016-05-24  Martin Sebor  <msebor@redhat.com>
3606
3607         PR c++/71147
3608         * tree.h (complete_or_array_type_p): New inline function.
3609
3610 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3611
3612         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3613         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3614         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3615
3616         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3617         Limit 1st alternative to noavx isa, split 2nd alternative into one
3618         noavx and one avx alternative, use *x and Bm in the former and
3619         x and m in the latter.
3620
3621         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3622         of sse4 for the first alternative, drop %v from the template
3623         and d operand modifier.  Split second alternative into one sse4_noavx
3624         and one avx alternative, use *x instead of *v in the former and v
3625         instead of *v in the latter.
3626         (*sse4_1_extractps): Use noavx isa instead of * for the first
3627         alternative, drop %v from the template.  Split second alternative into
3628         one noavx and one avx alternative, use *x instead of *v in the
3629         former and v instead of *v in the latter.
3630         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3631         with noavx and the last one with avx.
3632         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3633         split the second one into one noavx and one avx alternative,
3634         use *x and Bm in the former and x and m in the latter one.
3635         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3636         alternatives.
3637
3638         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3639         first two alternatives to noavx, use *x instead of *v in the second
3640         one, add avx alternative without *.
3641         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3642         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3643         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3644
3645 2016-05-24  Jeff Law  <law@redhat.com>
3646
3647         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3648         New function, extracted from...
3649         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3650         Allow simple copies and constant initializations in the SSA chain.
3651
3652 2016-05-24  Marek Polacek  <polacek@redhat.com>
3653
3654         PR c/71249
3655         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3656         scope.
3657
3658 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3659
3660         PR c++/71257
3661         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3662         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3663         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3664         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3665         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3666
3667 2016-05-24  Richard Biener  <rguenther@suse.de>
3668
3669         PR tree-optimization/71240
3670         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3671         has integral type.
3672
3673 2016-05-24  Richard Biener  <rguenther@suse.de>
3674
3675         PR tree-optimization/71230
3676         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3677
3678 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3679
3680         * tree-vectorizer.h (vectorizable_comparison): Delete.
3681         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3682         PURE_SLP_STMT check.
3683         * tree-vect-stmts.c (vectorizable_call): Likewise.
3684         (vectorizable_simd_clone_call): Likewise.
3685         (vectorizable_conversion): Likewise.
3686         (vectorizable_assignment): Likewise.
3687         (vectorizable_shift): Likewise.
3688         (vectorizable_operation): Likewise.
3689         (vectorizable_load): Likewise.
3690         (vectorizable_condition): Likewise.
3691         (vectorizable_store): Likewise.  Assert that we don't have
3692         hybrid SLP.
3693         (vectorizable_comparison): Make static.  Remove redundant
3694         PURE_SLP_STMT check.
3695         (vect_transform_stmt): Assert that we always have an slp_node
3696         if PURE_SLP_STMT.
3697
3698 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3699
3700         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3701         operands[2] against 1 with comparison against CONST1_RTX.
3702         (<shift>di3_neon): Likewise.
3703         * config/arm/predicates.md (const0_operand): Replace with comparison
3704         against CONST0_RTX.
3705
3706 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3707
3708         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3709         operands[2] against 1 with comparison against CONST1_RTX.
3710         (ashrdi3): Likewise.
3711         (lshrdi3): Likewise.
3712         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3713         UINTVAL.
3714         (ashrsi3): Likewise.
3715         (lshrsi3): Likewise.
3716         (rotrsi3): Likewise.
3717         (define_split above *compareqi_eq0): Likewise.
3718         (define_split above "prologue"): Likewise.
3719         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3720         * config/arm/predicates.md (shift_operator): Likewise.
3721         (shift_nomul_operator): Likewise.
3722         (sat_shift_operator): Likewise.
3723         (thumb1_cmp_operand): Likewise.
3724         (const_neon_scalar_shift_amount_operand): Replace manual range
3725         check with IN_RANGE.
3726         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3727         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3728
3729 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3730
3731         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3732         with HOST_WIDE_INT_1.
3733         (insv): Likewise.
3734         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3735         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3736         (arm_canonicalize_comparison): Likewise.
3737         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3738         HOST_WIDE_INT_1.
3739         (thumb1_size_rtx_costs): Likewise.
3740         (vfp_const_double_index): Replace cast of 1 to unsigned
3741         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3742         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3743         HOST_WIDE_INT_1.
3744         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3745         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3746         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3747         HOST_WIDE_INT with HOST_WIDE_INT_1.
3748
3749 2016-05-24  Marek Polacek  <polacek@redhat.com>
3750
3751         * tree-cfg.h (should_remove_lhs_p): New predicate.
3752         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3753         * gimplify.c (gimplify_modify_expr): Likewise.
3754         * tree-cfg.c (verify_gimple_call): Likewise.
3755         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3756         * gimple-fold.c: Include "tree-cfg.h".
3757         (gimple_fold_call): Use should_remove_lhs_p.
3758
3759 2016-05-24  Richard Biener  <rguenther@suse.de>
3760
3761         PR tree-optimization/71253
3762         * cfganal.h (control_dependences): Make robust against edge
3763         and BB removal.
3764         (control_dependences::control_dependences): Remove edge_list argument.
3765         (control_dependences::get_edge): Remove.
3766         (control_dependences::get_edge_src): Add.
3767         (control_dependences::get_edge_dest): Likewise.
3768         (control_dependences::m_el): Make a vector of edge src/dest index.
3769         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3770         (control_dependences::control_dependences): Likewise.
3771         (control_dependences::~control_dependence): Likewise.
3772         (control_dependences::get_edge): Remove.
3773         (control_dependences::get_edge_src): Add.
3774         (control_dependences::get_edge_dest): Likewise.
3775         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3776         get_edge_src.
3777         (perform_tree_ssa_dce): Adjust.
3778         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3779         get_edge_src.
3780         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3781         conditional on changed.
3782
3783 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3784
3785         PR target/69857
3786         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3787         return.  Reindent transformation comment and mention the ARM state
3788         behavior.
3789
3790 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3791
3792         PR middle-end/71252
3793         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3794         after build_and_add_sum creates new use stmt.
3795
3796 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3797
3798         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3799         load_lanes/grouped_load classification comes first.  Don't check
3800         whether the vectorization factor is a multiple of the group size
3801         for load_lanes.
3802
3803 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3804
3805         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3806         GROUP_GAP for single-element interleaving.
3807         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3808         variable.
3809
3810 2016-05-24  Richard Biener  <rguenther@suse.de>
3811
3812         PR middle-end/70434
3813         PR c/69504
3814         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3815         bases which are accessed with non-invariant indices.
3816         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3817         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3818
3819 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3820
3821         PR middle-end/71170
3822         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3823         (add_to_ops_vec): Add stmt_to_insert.
3824         (add_repeat_to_ops_vec): Init stmt_to_insert.
3825         (insert_stmt_before_use): New.
3826         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3827         to ops vector.
3828         (get_ops): Init stmt_to_insert.
3829         (maybe_optimize_range_tests): Likewise.
3830         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3831         (rewrite_expr_tree_parallel): Likewise.
3832         (reassociate_bb): Likewise.
3833
3834 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3835
3836         PR target/71201
3837         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3838         ISA 3.0 xxperm fusion alternative.
3839         (altivec_vperm_v8hiv16qi): Likewise.
3840         (altivec_vperm_<mode>_uns_internal): Likewise.
3841         (vperm_v8hiv4si): Likewise.
3842         (vperm_v16qiv8hi): Likewise.
3843
3844 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3845             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3846
3847         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3848         vpermr/xxpermr on ISA 3.0.
3849         (altivec_expand_vec_perm_le): Likewise.
3850         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3851         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3852         ISA 3.0.
3853
3854 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3855
3856         * config/i386/i386.h (IS_STACK_MODE): Enable for
3857         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3858         SSE_FLOAT_MODE_P macros.
3859         * config/i386/i386.c (ix86_preferred_reload_class): Use
3860         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3861         Cleanup regclass processing for CONST_DOUBLE_P.
3862         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3863         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3864         with IS_STACK_MODE macro.
3865         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3866         with TARGET_SSE2.
3867         (*movdf_internal): Use IS_STACK_MODE macro.
3868         (*movsf_internal): Ditto.
3869
3870 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3871
3872         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3873         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3874
3875 2016-05-23  Jeff Law  <law@redhat.com>
3876
3877         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3878         extracted from ...
3879         (fsm_find_control_statement_thread_paths): Call it.
3880
3881 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3882
3883         PR ipa/71234
3884         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3885         from_global_constant if t is not NULL.
3886
3887 2016-05-23  Marek Polacek  <polacek@redhat.com>
3888
3889         PR c/49859
3890         * common.opt (Wswitch-unreachable): New option.
3891         * doc/invoke.texi: Document -Wswitch-unreachable.
3892         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3893         warning.
3894
3895 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3896
3897         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3898         TMR_INDEX is non-NULL.
3899
3900 2016-05-23  Richard Biener  <rguenther@suse.de>
3901
3902         PR tree-optimization/71230
3903         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3904         (try_special_add_to_ops): ... here.  Always test for single-use.
3905
3906 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3907
3908         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3909         default block if a PHI node in the original one would be resized.
3910
3911 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3912
3913         PR tree-optimization/58135
3914         * tree-vect-slp.c: When group size is not multiple
3915         of vector size, allow splitting of store group at
3916         vector boundary.
3917
3918 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3919
3920         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3921
3922 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3923
3924         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3925         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3926         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3927         of 64x2.
3928
3929         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3930         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3931         v constraint instead of x and vinserti32x4 insn.
3932
3933         * config/i386/sse.md (i128vldq): New mode iterator.
3934         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3935         avx512dq and avx512vl alternatives.
3936
3937         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3938         constraint, use maybe_evex prefix instead of vex.
3939         (vec_dupv4sf): Use v constraint instead of x for output
3940         operand except for noavx alternative, use Yv constraint
3941         instead of x for input.  Use maybe_evex prefix instead of vex.
3942         (*vec_dupv4si): Likewise.
3943         (*vec_dupv2di): Likewise.
3944
3945 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3946
3947         PR middle-end/40921
3948         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3949         (linearize_expr_tree): Call try_special_add_to_ops.
3950         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3951
3952 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3953
3954         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3955         to computed stack_usage.
3956
3957 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3958
3959         PR target/71103
3960         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3961         operand is subreg (symbol_ref) then move the symbol ref to register.
3962
3963 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3964
3965         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3966
3967 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3968
3969         PR middle-end/71179
3970         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3971         VECTOR type.
3972
3973 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3974
3975         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3976         ranges by calling get_single_symbol and tidy up.  Look more closely
3977         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3978
3979 2016-05-20  Jeff Law  <law@redhat.com>
3980
3981         * bitmap.c (bitmap_find_bit): Remove useless test.
3982
3983 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3984
3985         * function.c (thread_prologue_and_epilogue_insns): Commit the
3986         insertion of the epilogue.
3987
3988 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3989
3990         PR tree-optimization/70884
3991         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3992         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3993         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3994         of constant pool data as a reason for scalarization.
3995
3996 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3997
3998         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3999         for naked functions.
4000         (thumb1_expand_prologue): Likewise.
4001
4002 2016-05-20  Nathan Sidwell  <nathan@acm.org>
4003
4004         * config/nvptx/nptx.c (nvptx_option_override): Only set
4005         flag_toplevel_reorder, if not explicitly specified.  Set
4006         flag_no_common, unless explicitly specified.
4007
4008 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4009
4010         * calls.c (can_implement_as_sibling_call_p): Mark param
4011         reg_parm_stack_space with ATTRIBUTE_UNUSED.
4012
4013 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
4014
4015         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
4016         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
4017         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
4018         constants.
4019         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
4020         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
4021         and CASE_CONST_ANY.
4022
4023 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
4024
4025         * config/nvptx/nvptx.md (sincossf3): New pattern.
4026
4027 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4028
4029         * calls.c (maybe_complain_about_tail_call): New function.
4030         (initialize_argument_information): Call
4031         maybe_complain_about_tail_call when clearing *may_tailcall.
4032         (can_implement_as_sibling_call_p): Call
4033         maybe_complain_about_tail_call when returning false.
4034         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
4035         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
4036         if tail-call optimization fails.
4037         * cfgexpand.c (expand_call_stmt): Initialize
4038         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
4039         * gimple-pretty-print.c (dump_gimple_call): Dump
4040         gimple_call_must_tail_p.
4041         * gimple.c (gimple_build_call_from_tree): Call
4042         gimple_call_set_must_tail with the value of
4043         CALL_EXPR_MUST_TAIL_CALL.
4044         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
4045         (gimple_call_set_must_tail): New function.
4046         (gimple_call_must_tail_p): New function.
4047         * print-tree.c (print_node): Update printing of TREE_STATIC
4048         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
4049         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
4050         trailing comment listing applicable flags.
4051         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
4052
4053 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
4054
4055         * calls.c (expand_call): Move "Rest of purposes for tail call
4056         optimizations to fail" to...
4057         (can_implement_as_sibling_call_p): ...this new function, and
4058         split into multiple "if" statements.
4059
4060 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4061
4062         * cfgloop.h (expected_loop_iterations_unbounded,
4063         expected_loop_iterations): Unconstify.
4064         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
4065         profile with known upper bound; return 3 when profile is absent.
4066         (expected_loop_iterations): Update.
4067
4068 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4069
4070         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
4071         and get_max_loop_iterations_int.
4072
4073 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
4074
4075         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
4076         realistic upper bounds here.
4077
4078 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
4079
4080         PR c++/71210
4081         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
4082         calls if the LHS is variable length or has addressable type.
4083         If targets[0]->decl is a noreturn call with void return type and
4084         zero arguments, adjust fntype and remove lhs in that case.
4085
4086 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
4087
4088         PR tree-optimization/71079
4089         PR tree-optimization/71206
4090         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
4091
4092 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4093
4094         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
4095         (get_vec_alignment_for_array_decl): Likewise.
4096         (get_vec_alignment_for_record_decl): Likewise.
4097         (increase_alignment::execute): Move code to find alignment to
4098         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
4099         (type_align_map): New hash_map.
4100
4101 2016-05-20  Richard Guenther  <rguenther@suse.de>
4102
4103         PR tree-optimization/29756
4104         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
4105         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
4106         * fold-const.c (operand_equal_p): Likewise.
4107         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
4108         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
4109         * tree-inline.c (estimate_operator_cost): Likewise.
4110         * tree-pretty-print.c (dump_generic_node): Likewise.
4111         * tree-ssa-operands.c (get_expr_operands): Likewise.
4112         * cfgexpand.c (expand_debug_expr): Likewise.
4113         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
4114         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
4115         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
4116         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
4117         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
4118         (execute_update_addresses_taken): Do it.
4119
4120 2016-05-20  Richard Biener  <rguenther@suse.de>
4121
4122         PR tree-optimization/71185
4123         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
4124         register operations.
4125
4126 2016-05-20  Richard Biener  <rguenther@suse.de>
4127
4128         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
4129         gimple_seq_add_seq_without_update.
4130         (release_bb_predicate): Assert we have no operands to free.
4131         (if_convertible_loop_p_1): Calculate post dominators later.
4132         Do not free BB predicates here.
4133         (combine_blocks): Do not recompute BB predicates.
4134         (version_loop_for_if_conversion): Save BB predicates around
4135         loop versioning.
4136
4137 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4138
4139         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
4140         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
4141         code.  Ignore sibcalls on EDGE_IGNORE edges.
4142         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
4143         on edges for sibcalls that run without prologue.  The rest of the
4144         function is combined from...
4145         (fix_fake_fallthrough_edge): ... this, and ...
4146         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
4147         function argument, make it a local variable.
4148
4149 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
4150
4151         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
4152         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
4153         for 32-bit mode and SEH for 64-bit.
4154         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
4155         TARGET_64BIT_DEFAULT.
4156
4157 2016-05-19  Ryan Burn  <contact@rnburn.com>
4158
4159         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
4160         * gengtype.c (open_base_files): Add cilk.h to ifiles.
4161
4162 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
4163
4164         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
4165         force pending loads from memory.
4166
4167 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4168
4169         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
4170         (UNSPEC_DARN_32): New unspec constant.
4171         (UNSPEC_DARN_RAW): New unspec constant.
4172         (darn_32): New instruction.
4173         (darn_raw): New instruction.
4174         (darn): New instruction.
4175         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
4176         support and documentation for this macro.
4177         (BU_P9_MISC_1): New macro definition.
4178         (BU_P9_64BIT_MISC_0): New macro definition.
4179         (BU_P9_MISC_0): New macro definition.
4180         (darn_32): New builtin definition.
4181         (darn_raw): New builtin definition.
4182         (darn): New builtin definition.
4183         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
4184         RS6000_BUILTIN_0 directives to surround each occurrence of
4185         #include "rs6000-builtin.def".
4186         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
4187         RS6000_BTM_64BIT flags to the returned mask, depending on
4188         configuration.
4189         (def_builtin): Correct an error in the assignments made to the
4190         debugging variable attr_string.
4191         (rs6000_expand_builtin): Add support for no-operand built-in
4192         functions.
4193         (builtin_function_type): Remove fatal_error assertion that is no
4194         longer valid.
4195         (rs6000_common_init_builtins): Add support for no-operand built-in
4196         functions.
4197         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
4198         definition.
4199         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
4200         definition.
4201         (RS6000_BTM_64BIT): New macro definition.
4202         * doc/extend.texi: Document __builtin_darn (void),
4203         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
4204         functions.
4205
4206 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
4207
4208         * tree-vect-loop.c (vect_analyze_loop_2): Use also
4209         max_loop_iterations_int.
4210
4211 2016-05-19  Marek Polacek  <polacek@redhat.com>
4212
4213         PR tree-optimization/71031
4214         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
4215         condition and adjust the code a bit.
4216
4217 2016-05-19  Martin Liska  <mliska@suse.cz>
4218
4219         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
4220         auto_vec instead of vec.
4221
4222 2016-05-19  Martin Liska  <mliska@suse.cz>
4223
4224         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
4225
4226 2016-05-19  Martin Liska  <mliska@suse.cz>
4227
4228         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
4229
4230 2016-05-19  Martin Liska  <mliska@suse.cz>
4231
4232         * ipa-pure-const.c (set_function_state): Remove an existing
4233         funct_state.
4234         (remove_node_data): Do not free it as it's released
4235         in set_function_state.
4236
4237 2016-05-19  Martin Liska  <mliska@suse.cz>
4238
4239         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
4240         bitmap.
4241
4242 2016-05-19  Martin Liska  <mliska@suse.cz>
4243
4244         * omp-simd-clone.c (simd_clone_adjust): Release vector.
4245
4246 2016-05-19  Martin Liska  <mliska@suse.cz>
4247
4248         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
4249         an auto_vec instead of re-creating it.
4250
4251 2016-05-19  Martin Liska  <mliska@suse.cz>
4252
4253         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
4254         auto_vec instead of vec.
4255
4256 2016-05-19  Martin Liska  <mliska@suse.cz>
4257
4258         * lto-section-in.c (lto_get_section_data): Call
4259         lto_check_version with additional argument.
4260         * lto-streamer.c (lto_check_version): Add new argument.
4261         * lto-streamer.h (lto_check_version): Likewise.
4262
4263 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4264
4265         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
4266         Don't add cost of inner memory when handling sign-extended loads.
4267
4268 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
4269
4270         PR rtl-optimization/71148
4271         * cse.c (cse_main): Free dominance info.
4272         (rest_of_handle_cse): Don't free dominance info.
4273         (rest_of_handle_cse2): Likewise.
4274         (rest_of_handle_cse_after_global_opts): Likewise.
4275
4276 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4277
4278         PR target/71056
4279         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
4280         NULL_TREE early if NEON is not available.  Remove now redundant check
4281         in ARM_CHECK_BUILTIN_MODE.
4282
4283 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
4284
4285         PR sanitizer/64354
4286         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
4287         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
4288         * doc/cpp.texi: Document new macros.
4289
4290 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
4291
4292         PR tree-optimization/69848
4293         * tree-vect-loop.c (vectorizable_reduction): Don't factor
4294         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
4295
4296 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4297
4298         * function.c (thread_prologue_and_epilogue_insn): Move the
4299         "goto epilogue_done" one block later.
4300
4301 2016-05-19  Richard Biener  <rguenther@suse.de>
4302
4303         PR tree-optimization/70729
4304         * passes.def: Move LIM pass before PRE.  Remove no longer
4305         required copyprop and move first DCE out of the loop pipeline.
4306
4307 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
4308
4309         PR driver/69265
4310         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
4311         (OBJS-libcommon-target): ...here.
4312         * opts-common.c: Include spellcheck.h.
4313         (cmdline_handle_error): Build a vec of valid options and use it
4314         to suggest provide hints for misspelled arguments.
4315
4316 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4317
4318         PR c++/71100
4319         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
4320         lhs if it has TREE_ADDRESSABLE type.
4321
4322 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
4323
4324         PR target/71145
4325         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
4326         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
4327
4328 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4329
4330         PR ipa/69708
4331         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
4332         input for NOP_EXPR pass-through functions.
4333         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
4334         aggregate global constant VAR_DECLs in constant jump functions.
4335
4336 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4337
4338         PR ipa/69708
4339         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
4340         from TREE_READONLY parameters.
4341
4342 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4343
4344         PR ipa/69708
4345         * cgraph.h (cgraph_indirect_call_info): New field
4346         guaranteed_unmodified.
4347         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
4348         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4349         appropriate.
4350         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
4351         pass the parameter value to ipa_find_agg_cst_for_param.
4352         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
4353         guaranteed_unmodified, store AA results there instead of bailing out
4354         if present.
4355         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
4356         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
4357         (find_constructor_constant_at_offset): New function.
4358         (ipa_find_agg_cst_from_init): Likewise.
4359         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
4360         static initializers of contants, report back through a new paameter
4361         from_global_constant if that was the case.
4362         (try_make_edge_direct_simple_call): Also pass parameter value to
4363         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4364         appropriate.
4365         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4366         (ipa_read_indirect_edge_info): Likewise.
4367         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4368         (ipa_load_from_parm_agg): Likewise.
4369
4370 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
4371
4372         PR rtl-optimization/71150
4373         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
4374         check.
4375
4376 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4377
4378         PR target/70915
4379         * config/rs6000/constraints.md (wE constraint): New constraint
4380         for a vector constant that can be loaded with XXSPLTIB.
4381         (wM constraint): New constraint for a vector constant of a 1's.
4382         (wS constraint): New constraint for a vector constant that can be
4383         loaded with XXSPLTIB and a vector sign extend instruction.
4384         * config/rs6000/predicates.md (xxspltib_constant_split): New
4385         predicates for wE/wS constraints.
4386         (xxspltib_constant_nosplit): Likewise.
4387         (easy_vector_constant): Add support for constants that can be
4388         loaded via XXSPLTIB.
4389         (all_ones_constant): New predicate for vector constant with all
4390         1's set.
4391         (splat_input_operand): Add support for ISA 3.0 word splat operations.
4392         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
4393         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
4394         instruction and possibly with a sign extension.
4395         (output_vec_const_move): Add support for XXSPLTIB. If we are
4396         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
4397         instead of XXLXOR/XXLORC.
4398         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
4399         operations.
4400         (rs6000_legitimize_reload_address): Likewise.
4401         (rs6000_output_move_128bit): Use output_vec_const_move to emit
4402         constants.
4403         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
4404         combine VSX_M and VSX_M2 into one iterator.
4405         (VSX_M2): Likewise.
4406         (VSINT_84): New iterators for loading constants with XXSPLTIB.
4407         (VSINT_842): Likewise.
4408         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
4409         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
4410         XXSPLTIB instruction.
4411         (xxspltib_<mode>_nosplit): Likewise.
4412         (xxspltib_<mode>_split): New insn to load up constants with
4413         XXSPLTIB and a sign extend instruction.
4414         (vsx_mov<mode>): Replace single move that handled all vector types
4415         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
4416         moves (when -mvsx-timode is in effect) into the main vector
4417         moves.  Eliminate separate moves for <VSr> <VSa>, where the
4418         preferred register class (<VSr>) is listed first, and the
4419         secondary register class (<VSa>) is listed second with a '?' to
4420         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
4421         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
4422         that if the register was involved in a slow operation, the
4423         clear/set operation does not wait for the slow operation to
4424         finish.  Adjust the length attributes for 32-bit mode.  Use
4425         rs6000_output_move_128bit and drop the use of the string
4426         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
4427         spacing so that the alternatives and attributes don't generate
4428         long lines, and put things in columns, so that it is easier to
4429         match up the operands and attributes with the insn alternatives.
4430         (vsx_mov<mode>_64bit): Likewise.
4431         (vsx_mov<mode>_32bit): Likewise.
4432         (vsx_movti_64bit): Fold movti into normal vector moves.
4433         (vsx_movti_32bit): Likewise.
4434         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
4435         splat instructions.
4436         (vsx_splat_v4si_internal): Likewise.
4437         (vsx_splat_v4sf_internal): Likewise.
4438         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
4439         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
4440         extend vector elements.
4441         (vsx_sign_extend_hi_<mode>): Likewise.
4442         (vsx_sign_extend_si_v2di): Likewise.
4443         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
4444         declaration.
4445         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
4446         constraints.  Add trailing period to wL documentation.
4447
4448 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
4449
4450         PR middle-end/71020
4451         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
4452         * tree-dfa.c (replace_abnormal_ssa_names): New function.
4453         * tree-call-cdce.c: Include tree-dfa.h.
4454         (can_guard_call_p): New function, extracted from...
4455         (can_use_internal_fn): ...here.
4456         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4457         and return void.
4458         (shrink_wrap_one_built_in_call): Likewise.
4459         (use_internal_fn): Likewise.
4460         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4461         and return void.  Call replace_abnormal_ssa_names.
4462         (pass_call_cdce::execute): Check can_guard_call_p during the
4463         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4464         will always change something.
4465
4466 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4467
4468         PR ipa/70646
4469         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4470         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4471
4472 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4473
4474         PR ipa/70646
4475         * ipa-inline.h (condition): New field size.
4476         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4477         for comaprison and store it into the new condition.
4478         (evaluate_conditions_for_known_args): Use condition size to check
4479         access sizes for all but CHANGED conditions.
4480         (unmodified_parm_1): New parameter size_p, store access size into it.
4481         (unmodified_parm): Likewise.
4482         (unmodified_parm_or_parm_agg_item): Likewise.
4483         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4484         (set_cond_stmt_execution_predicate): Extract access sizes and store
4485         them to conditions.
4486         (set_switch_stmt_execution_predicate): Likewise.
4487         (will_be_nonconstant_expr_predicate): Likewise.
4488         (will_be_nonconstant_predicate): Likewise.
4489         (inline_read_section): Stream condition size.
4490         (inline_write_summary): Likewise.
4491
4492 2016-05-18  Richard Biener  <rguenther@suse.de>
4493
4494         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4495         condition cost to PHI cost instead of total_cost.
4496
4497 2016-05-18  Martin Liska  <mliska@suse.cz>
4498
4499         PR fortran/70856
4500         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4501         merged variables.
4502
4503 2016-05-18  Richard Biener  <rguenther@suse.de>
4504
4505         * lto-streamer.h (LTO_major_version): Bump to 6.
4506
4507 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4508
4509         * function.c (make_split_prologue_seq, make_prologue_seq,
4510         make_epilogue_seq): New functions, factored out from...
4511         (thread_prologue_and_epilogue_insns): Here.
4512
4513 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4514
4515         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4516         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4517         of before.  Add a comment.
4518
4519 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4520
4521         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4522         expression pointer, not pointer to the pointer.
4523
4524 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4525
4526         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4527         (avx2_pbroadcast<mode>): Add another alternative with v instead
4528         of x constraints in it, using <pbroadcast_evex_isa> isa.
4529         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4530
4531         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4532         constraint x instead of v in second alternative, add avx512bw
4533         alternative.
4534
4535         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4536         constraint x instead of v in second alternative, add avx512bw
4537         alternative.
4538
4539         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4540         constraint x instead of v in second alternative, add avx512bw
4541         alternative.
4542
4543         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4544         avx512bw alternative.
4545
4546 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4547
4548         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4549         array to 128 chars.
4550         (define_insn "*andnottf3"): Ditto.
4551         (define_insn "*<code><mode>3"/any_logic): Ditto.
4552         (define_insn "*<code>tf3"/any_logic): Ditto.
4553         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4554         operand to block AVX-512VL insn variant emit when it is not enabled.
4555
4556 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4557
4558         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4559         constraint fot SF mode.
4560
4561 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4562             Kirill Yukhin  <kirill.yukhin@intel.com>
4563
4564         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4565         modifiers.
4566         (define_insn "rsqrt14<mode>"): Ditto.
4567         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4568         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4569         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4570         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4571         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4572         Ditto.
4573         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4574         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4575         * config/i386/i386.c (ix86_print_operand): Expand check for size
4576         override codes for Intel syntax.
4577
4578 2016-05-18  Richard Biener  <rguenther@suse.de>
4579
4580         PR tree-optimization/71168
4581         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4582         initialization earlier.
4583
4584 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4585
4586         * config/aarch64/aarch64-simd.md
4587         (aarch64_reduc_plus_internal<mode>): Rename to...
4588         (reduc_plus_scal): ...This, and remove previous implementation.
4589
4590 2016-05-18  Richard Biener  <rguenther@suse.de>
4591
4592         * passes.def: Put late dse and cd_dce in canonical order.
4593
4594 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4595
4596         * ipa-inline-transform.c (preserve_function_body_p): Look for
4597         first non-thunk clone.
4598         (save_function_body): Save into first non-thunk.
4599         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4600         up call stmt id.
4601         (lto_output_node): Inline thunks don't need body in every
4602         partition.
4603         * lto-streamer-in.c: Do not fixup thunk clones.
4604         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4605         thunks.
4606         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4607         folding suceeds.
4608
4609 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4610
4611         PR middle-end/63586
4612         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4613         (reassociate_bb): Call transform_add_to_multiply.
4614
4615 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4616
4617         * config/aarch64/aarch64.c (all_extensions): Removed unused
4618         static variable.
4619
4620 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4621
4622         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4623         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4624
4625 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4626
4627         PR tree-optimization/54579
4628         PR middle-end/55299
4629         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4630
4631 2016-05-17  Marek Polacek  <polacek@redhat.com>
4632
4633         PR ipa/71146
4634         * tree-inline.c (expand_call_inline): Call
4635         maybe_remove_unused_call_args.
4636
4637 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4638
4639         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4640         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4641         * doc/md.texi (fmin@var{m}3): Likewise.
4642
4643 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4644
4645         * match.pd (X & C): New transformation.
4646
4647 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4648
4649         * match.pd (~X & Y): New transformation.
4650
4651 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4652
4653         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4654         information for new SSA_NAME.
4655         (simplify_conversion_using_ranges): Get range through get_range_info
4656         instead of get_value_range.
4657
4658 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4659
4660         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4661         Remove inline assembly.
4662         (vmvn_s16): Likewise.
4663         (vmvn_s32): Likewise.
4664         (vmvn_u8): Likewise.
4665         (vmvn_u16): Likewise.
4666         (vmvn_u32): Likewise.
4667         (vmvnq_s8): Likewise.
4668         (vmvnq_s16): Likewise.
4669         (vmvnq_s32): Likewise.
4670         (vmvnq_u8): Likewise.
4671         (vmvnq_u16): Likewise.
4672         (vmvnq_u32): Likewise.
4673         (vmvn_p8): Likewise.
4674         (vmvnq_p16): Likewise.
4675
4676 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4677
4678         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4679         Use builtin.
4680         (vmul_n_s16): Likewise.
4681         (vmul_n_s32): Likewise.
4682         (vmul_n_u16): Likewise.
4683         (vmul_n_u32): Likewise.
4684         (vmulq_n_f32): Likewise.
4685         (vmulq_n_f64): Likewise.
4686         (vmulq_n_s16): Likewise.
4687         (vmulq_n_s32): Likewise.
4688         (vmulq_n_u16): Likewise.
4689         (vmulq_n_u32): Likewise.
4690
4691 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4692
4693         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4694         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4695
4696 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4697
4698         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4699         to *aarch64_fma4_elt_from_dup<mode>.
4700         (*aarch64_fnma4_elt_to_128df): Rename to
4701         *aarch64_fnma4_elt_from_dup<mode>.
4702         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4703         (vfms_n_f32): Likewise.
4704         (vfms_n_f64): Likewise.
4705         (vfmsq_n_f32): Likewise.
4706         (vfmsq_n_f64): Likewise.
4707
4708 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4709
4710         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4711
4712 2016-05-17  Richard Biener  <rguenther@suse.de>
4713
4714         PR tree-optimization/71132
4715         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4716         Only add control dependences for blocks in the loop.
4717         (build_rdg): Adjust.
4718         (generate_code_for_partition): Return whether loop should
4719         be destroyed and delay that.
4720         (distribute_loop): Likewise.
4721         (pass_loop_distribution::execute): Record loops to be destroyed
4722         and perform delayed destroying of loops.
4723
4724 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4725
4726         PR target/70809
4727         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4728
4729 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4730
4731         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4732
4733 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4734
4735         PR target/71114
4736         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4737         insertion point for instructions generated by validize_mem.
4738
4739 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4740
4741         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4742         in brackets.
4743
4744 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4745
4746         * config/aarch64/aarch64.c
4747         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4748         rather than a macro.
4749
4750 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4751
4752         * doc/invoke.texi (AArch64 Options): Various updates.
4753
4754 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4755
4756         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4757         into instrumentation thunks.
4758         * cif-code.def (CIF_CHKP): New.
4759
4760 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4761
4762         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4763
4764 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4765
4766         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4767         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4768
4769 2016-05-16  Marek Polacek  <polacek@redhat.com>
4770
4771         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4772         commentary.
4773
4774 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4775
4776         PR hsa/70857
4777         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4778         the outlined kernel function.
4779
4780 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4781
4782         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4783         (ISA_HAS_DLSA): Ditto.
4784
4785 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4786
4787         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4788
4789 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4790
4791         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4792         (nvptx_name_replacement): Restore.  Add comment.
4793         (write_fn_proto, write_fn_proto_from_insn,
4794         nvptx_output_call_insn): Restore
4795         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4796
4797 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4798
4799         * config/aarch64/aarch64.md
4800         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4801         (add<mode>3_compareC_imm): Likewise.
4802         (<optab>si3_uxtw): Split into register and immediate variants.
4803         (andsi3_compare0_uxtw): Likewise.
4804         (and<mode>3_compare0): Likewise.
4805         (and<mode>3nr_compare0): Likewise.
4806         (stack_protect_test_<mode>): Don't use %x for memory operands.
4807
4808 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4809
4810         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4811
4812 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4813
4814         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4815         Split integer shifts into shift_reg and bfm.
4816         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4817         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4818         (ror<mode>3_insn): Likewise.
4819         (<optab>si3_insn_uxtw): Likewise.
4820         (<optab><mode>3_insn): Change to rotate_imm.
4821         (extr<mode>5_insn_alt): Likewise.
4822         (extrsi5_insn_uxtw): Likewise.
4823         (extrsi5_insn_uxtw_alt): Likewise.
4824
4825 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4826
4827         * doc/tm.texi: Regenerate.
4828         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4829         (TARGET_INVALID_RETURN_TYPE): Remove.
4830         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4831         TARGET_INVALID_RETURN_TYPE.
4832         * target.def (invalid_parameter_type): Remove.
4833         (invalid_return_type): Remove.
4834
4835 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4836
4837         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4838         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4839         calls from thunk.
4840         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4841         gimple body.
4842         (preserve_function_body_p): No need to preserve function body
4843         * cif-codes.def (CIF_THUNK): Remove.
4844         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4845
4846 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4847
4848         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4849
4850 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4851
4852         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4853         for thunks.
4854
4855 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4856
4857         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4858         (inline_small_functions): Do not look for function symbol when
4859         resetting caches.
4860
4861 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4862
4863         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4864         of inline thunks
4865
4866 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4867             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4868             Jiong Wang  <jiong.wang@arm.com>
4869
4870         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4871         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4872         Define __ARM_FP16_ARGS when appropriate.
4873         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4874         declaration.
4875         (arm_invalid_return_type): Likewise.
4876         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4877         (TARGET_INVALID_RETURN_TYPE): Remove.
4878         (aapcs_vfp_sub_candidate): Allow HFmode.
4879         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4880         (aapcs_vfp_allocate_return_reg): Likewise.
4881         (struct aapcs_cp_arg_layout): Slightly reword comments for
4882         is_return_candidate and allocate_return_reg.
4883         (output_mov_vfp): Update assert.
4884         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4885         condition.
4886         (arm_invalid_parameter_type): Remove.
4887         (amr_invalid_return_type): Remove.
4888         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4889         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4890         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4891
4892 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4893
4894         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4895         * config/aarch64/arch64-protos.h
4896         (aarch64_legitimize_reload_address): Remove.
4897         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4898         Remove.
4899
4900 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4901
4902         * configure.ac: Add ACX_NONCANONICAL_HOST.
4903         * configure: Regenerate.
4904         * Makefile.in: Set host_noncanonical.
4905
4906 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4907
4908         PR target/71097
4909         * config/i386/i386.md (*movtf_internal): Before register allocation,
4910         do not allow FP constants for CM_MEDIUM memory model, allow only
4911         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4912         (*movxf_internal): Ditto.
4913         (*movdf_internal): Ditto.
4914         (*movsf_internal): Ditto.
4915
4916 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4917
4918         PR rtl-optimization/67483
4919         * combine.c (make_compound_operation): Don't call extract_left_shift
4920         with negative shift amounts.
4921
4922 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4923
4924         PR bootstrap/71071
4925         * fold-const.c (fold_checksum_tree): Allow modification
4926         of TYPE_ALIAS_SET during folding.
4927
4928         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4929         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4930         (ix86_split_to_parts): Likewise.  Fix up formatting.
4931
4932 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4933
4934         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4935         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4936         printf format.
4937
4938 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4939
4940         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4941         (nvptx_name_replacement): Delete.
4942         (write_fn_proto, write_fn_proto_from_insn,
4943         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4944         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4945         * langhooks.c (add_builtin_funcction_common): Call
4946         targetm.mangle_decl_assembler_name.
4947
4948         * config/nvptx/nvptx.c (write_fn_proto): Handle
4949         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4950
4951 2016-05-13  Martin Liska  <mliska@suse.cz>
4952
4953         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4954         and PRIu64 in printf format.
4955
4956 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4957
4958         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4959         comment.
4960
4961 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4962
4963         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4964         Change --param max-completely-peeled-times to
4965         --param max-completely-peel-times in dump file printing.
4966
4967 2016-05-13  Richard Biener  <rguenther@suse.de>
4968
4969         PR tree-optimization/42587
4970         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4971         (find_bswap_or_nop_1): Likewise.
4972         (bswap_replace): Likewise.
4973
4974 2016-05-13  Martin Liska  <mliska@suse.cz>
4975
4976         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4977         Initialize a variable with default value.
4978
4979 2016-05-13  Martin Liska  <mliska@suse.cz>
4980
4981         * doc/invoke.texi: Enhance explanation of error recovery
4982         of sanitizers.
4983
4984 2016-05-13  Martin Liska  <mliska@suse.cz>
4985
4986         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4987         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4988         (iv_inv_expr_ent *).
4989         (struct iv_inv_expr_ent): Comment struct fields.
4990         (sort_iv_inv_expr_ent): New function.
4991         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4992         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4993         a hash_map between iv_inv_expr_ent and number of usages.
4994         (niter_for_exit): Fix coding style.
4995         (tree_ssa_iv_optimize_init): Use renamed variable.
4996         (determine_base_object): Fix coding style.
4997         (alloc_iv): Likewise.
4998         (find_interesting_uses_outside): Likewise.
4999         (add_candidate_1): Likewise.
5000         (add_standard_iv_candidates): Likewise.
5001         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
5002         (prepare_decl_rtl): Fix coding style.
5003         (get_address_cost): Likewise.
5004         (get_shiftadd_cost): Likewise.
5005         (force_expr_to_var_cost): Likewise.
5006         (compare_aff_trees): Likewise.
5007         (get_expr_id): Restructure the function.
5008         (get_loop_invariant_expr_id): Renamed to
5009         get_loop_invariant_expr.
5010         (get_computation_cost_at): Replace usage of inv_expr_id with
5011         inv_expr.
5012         (get_computation_cost): Likewise.
5013         (determine_group_iv_cost_generic): Likewise.
5014         (determine_group_iv_cost_address): Likewise.
5015         (iv_period): Fix coding style.
5016         (iv_elimination_compare_lt): Likewise.
5017         (may_eliminate_iv): Likewise.
5018         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
5019         inv_expr.
5020         (determine_group_iv_costs): Dump invariant expressions.
5021         (iv_ca_recount_cost): Use the newly added hash_map.
5022         (iv_ca_set_remove_invariants): Fix coding style.
5023         (iv_ca_set_add_invariants): Fix coding style.
5024         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
5025         invariants.
5026         (iv_ca_set_cp): Likewise.
5027         (iv_ca_new): Initialize the newly added hash_map and remove
5028         initialization of fields.
5029         (iv_ca_free): Delete the hash_map.
5030         (iv_ca_dump): Dump invariant expressions.
5031         (iv_ca_extend): Fix coding style.
5032         (try_add_cand_for): Likewise.
5033         (create_new_ivs): Dump information about # of avg iterations and
5034         # of used invariant expressions.
5035         (rewrite_use_compare): Fix coding style.
5036         (free_loop_data): Set default value for max_inv_expr_id.
5037
5038 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
5039
5040         * cse.c (rest_of_handle_cse): Use cleanup_cfg
5041         returned value cse_cfg_altered computation.
5042         (rest_of_handle_cse2): Likewise.
5043         (rest_of_handle_cse_after_global_opts): Likewise.
5044
5045 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5046
5047         PR target/53440
5048         * config/arm/arm.c (arm32_output_mi_thunk): New.
5049         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
5050         to split Thumb1 vs TARGET_32BIT functionality.
5051         (arm_thumb1_mi_thunk): New.
5052
5053 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5054
5055         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
5056         to true.
5057
5058 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5059
5060         PR target/71080
5061         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
5062
5063 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
5064
5065         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
5066         (expand_builtin_trap): Emit a regular call.
5067         (set_builtin_user_assembler_name): Remove obsolete cases.
5068         * dse.c (scan_insn): Adjust.
5069         * except.c: Include calls.h.
5070         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
5071         emit a regular call to setjmp.
5072         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
5073         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
5074         (emit_block_move_via_libcall): Delete.
5075         (block_move_fn): Delete.
5076         (init_block_move_fn): Likewise.
5077         (emit_block_move_libcall_fn): Likewise.
5078         (emit_block_op_via_libcall): New function.
5079         (set_storage_via_libcall): Tidy up and use memset builtin.
5080         (block_clear_fn): Delete.
5081         (init_block_clear_fn): Likewise.
5082         (clear_storage_libcall_fn): Likewise.
5083         (expand_assignment): Call emit_block_move_via_libcall.
5084         Do not include gt-expr.h.
5085         * expr.h (emit_block_op_via_libcall): Declare.
5086         (emit_block_copy_via_libcall): New inline function.
5087         (emit_block_move_via_libcall): Likewise.
5088         (emit_block_comp_via_libcall): Likewise.
5089         (block_clear_fn): Delete.
5090         (init_block_move_fn): Likewise.
5091         (init_block_clear_fn): Likewise.
5092         (emit_block_move_via_libcall): Likewise.
5093         (set_storage_via_libcall): Add default parameter value.
5094         * libfuncs.h (enum libfunc_index): Remove obsolete values.
5095         (abort_libfunc): Delete.
5096         (memcpy_libfunc): Likewise.
5097         (memmove_libfunc): Likewise.
5098         (memcmp_libfunc): Likewise.
5099         (memset_libfunc): Likewise.
5100         (setbits_libfunc): Likewise.
5101         (setjmp_libfunc): Likewise.
5102         (longjmp_libfunc): Likewise.
5103         (profile_function_entry_libfunc): Likewise.
5104         (profile_function_exit_libfunc): Likewise.
5105         (gcov_flush_libfunc): Likewise.
5106         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
5107         and DECL_VISIBILITY on the declaration.
5108         (init_optabs): Do not initialize obsolete libfuncs.
5109         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
5110         * tree-core.h (ECF_RET1): Define.
5111         (ECF_TM_PURE): Adjust.
5112         (ECF_TM_BUILTIN): Likewise.
5113         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
5114         (build_common_builtin_nodes): Initialize abort builtin.
5115         Add ECF_RET1 on memcpy, memmove and memset builtins.
5116         Pass final flags for alloca and alloca_with_align builtins.
5117         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
5118         obsolete builtins.
5119         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
5120         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
5121         set_storage_via_libcall and call emit_block_copy_via_libcall.
5122
5123 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
5124
5125         * config/i386/i386.md (*call_got_x32): Change operand 0 to
5126         DImode before it is passed to ix86_output_call_operand.
5127         (*call_value_got_x32): Ditto for operand 1.
5128
5129 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
5130
5131         PR rtl-optimization/70904
5132         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
5133         reload for wide mode.
5134
5135 2016-05-12  Marek Polacek  <polacek@redhat.com>
5136
5137         PR c/70756
5138         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
5139         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
5140         * langhooks.h (incomplete_type_error): Likewise.
5141         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
5142         parameter, pass it down to incomplete_type_error.
5143         * tree.h (size_in_bytes): New inline overload.
5144         (size_in_bytes_loc): Renamed from size_in_bytes.
5145
5146 2016-05-12  Richard Biener  <rguenther@suse.de>
5147
5148         PR tree-optimization/71059
5149         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
5150         nary before looking up or entering the expression into the VN
5151         hashes.
5152         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
5153         Make sure to re-use NARYs without result as inserted by
5154         phi-translation.
5155
5156 2016-05-12  Richard Biener  <rguenther@suse.de>
5157
5158         PR tree-optimization/71062
5159         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5160         field.
5161         * tree-ssa-structalias.c (set_uids_in_ptset): Set
5162         vars_contains_restrict if the var is a restrict tag.
5163         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
5164         do not disambiguate pointers against it.
5165         (dump_points_to_solution): Re-structure and adjust for new
5166         vars_contains_restrict flag.
5167         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
5168
5169 2016-05-12  Martin Liska  <mliska@suse.cz>
5170
5171         * doc/invoke.texi: Explain connection between
5172         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
5173
5174 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
5175
5176         PR tree-optimization/71006
5177         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
5178         consider COND_EXPR as a mask producer.
5179
5180 2016-05-12  Marek Polacek  <polacek@redhat.com>
5181
5182         PR driver/71063
5183         * opts.c (common_handle_option): Detect missing argument for --help^.
5184
5185 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5186
5187         PR target/70830
5188         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
5189         when popping the PC and within an interrupt handler routine.
5190         Add missing tab to output of "ldmfd".
5191         (output_return_instruction): Output LDMFD with SP update rather
5192         than POP when returning from interrupt handler.
5193
5194 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
5195
5196         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
5197         TARGET_64BIT && TARGET_AVX512DQ.
5198         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
5199         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
5200         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
5201         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
5202         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
5203         (*vec_extractv4si_zext): Add avx512dq alternative.
5204         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
5205         use v instead of x constraint in other alternatives where possible.
5206
5207         * config/i386/sse.md (sse2_loadld): Use v instead of x
5208         constraint in alternatives 0,1,4.
5209
5210         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
5211         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
5212         v constraints instead of x and <pinsr_evex_isa> isa attribute.
5213
5214         PR target/71019
5215         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
5216         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
5217         is not emitted unless TARGET_AVX512BW.
5218         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
5219         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
5220         for the result operand.
5221
5222         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
5223         constraint instead of x in avx alternatives.  Use maybe_evex instead
5224         of vex prefix.
5225
5226         * config/i386/constraints.md (Yv): New constraint.
5227         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
5228         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
5229         * config/i386/i386.md (avx512fvecmode): New mode attr.
5230         (*pushtf): Use v constraint instead of x.
5231         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
5232         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
5233         (*absneg<mode>2): Use Yv constraint instead of x constraint.
5234         (*absnegtf2_sse): Likewise.
5235         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
5236         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
5237         avx512f alternatives.
5238         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
5239
5240 2016-05-12  Richard Biener  <rguenther@suse.de>
5241
5242         PR tree-optimization/71060
5243         * tree-data-ref.c (initialize_data_dependence_relation): Do not
5244         require exact match of DR_BASE_OBJECT but only matching address and
5245         type.
5246
5247 2016-05-12  Richard Biener  <rguenther@suse.de>
5248
5249         PR tree-optimization/70986
5250         * cfganal.c: Include cfgloop.h.
5251         (dfs_find_deadend): Prefer to take edges exiting loops.
5252
5253 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5254
5255         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
5256         compile and run time.
5257
5258 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
5259
5260         PR c/43651
5261         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
5262
5263 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
5264
5265         * config/i386/i386.c (legitimize_pic_address): Use
5266         copy_to_suggested_reg instead of gen_movsi.
5267
5268 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5269
5270         * config/rs6000/predicates.md (quad_memory_operand): Move most of
5271         the code into quad_address_p and call it to share code with
5272         vsx_quad_dform_memory_operand.
5273         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
5274         d-form support.
5275         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
5276         bit instead of being a separate word.  Split -mpower9-dform into
5277         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5278         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
5279         for the register class supporting 128-bit quad word memory offsets.
5280         (mode_supports_vsx_dform_quad): Helper function to return if the
5281         register class uses quad word memory offsets.
5282         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
5283         (rs6000_debug_reg_global): Always print if we are using LRA or not.
5284         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
5285         instructions are enabled, set up the appropriate addr_masks for
5286         128-bit types.
5287         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
5288         -mpower9-dform-scalar, instead of -mpower9-dform.
5289         (rs6000_option_override_internal): Split -mpower9-dform into two
5290         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
5291         -mpower9-dform switch sets or clears both.  If we are not using
5292         the LRA register allocator, do not enable -mpower9-dform-vector by
5293         default.  If we are using LRA, enable -mpower9-dform-vector and
5294         -mvsx-timode if it is appropriate.  Issue a warning if either
5295         -mpower9-dform-vector or -mvsx-timode are explicitly used without
5296         enabling LRA.
5297         (quad_address_offset_p): New helper function to return if the
5298         offset is legal for quad word memory instructions.
5299         (quad_address_p): New function to determin if GPR or vector
5300         register quad word memory addresses are legal.
5301         (mem_operand_gpr): Validate quad word address offsets.
5302         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
5303         d-form (register + offset) instructions.
5304         (offsettable_ok_by_alignment): Likewise.
5305         (rs6000_legitimate_offset_address_p): Likewise.
5306         (legitimate_lo_sum_address_p): Likewise.
5307         (rs6000_legitimize_address): Likewise.
5308         (rs6000_legitimize_reload_address): Add more debug statements for
5309         -mdebug=addr.
5310         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
5311         d-form instructions.
5312         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
5313         d-form instructions.  Distinguish different cases in debug
5314         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
5315         d-form instructions.
5316         (rs6000_preferred_reload_class): Likewise.
5317         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
5318         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
5319         of the ISA 2.06 indexed memory instructions.
5320         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
5321         use them to save/restore the saved vector registers instead of
5322         using Altivec instructions.
5323         (rs6000_emit_epilogue): Likewise.
5324         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
5325         (rs6000_opt_masks): Split -mpower9-dform into
5326         -mpower9-dform-scalar and -mpower9-dform-vector.
5327         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
5328         was not selected.
5329         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
5330         ISA 3.0 vector indexed memory instructions, and fold the code into
5331         the normal mov<mode> patterns.
5332         (p9_vecstore_<mode>): Likewise.
5333         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
5334         instructions.
5335         (vsx_movti_64bit): Likewise.
5336         (vsx_movti_32bit): Likewise.
5337         * config/rs6000/constraints.md (wO constraint): New constraint for
5338         ISA 3.0 vector d-form support.
5339         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
5340         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
5341         include -mpower9-dform-vector until we switch over to LRA.
5342         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
5343         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5344         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
5345         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5346         for -mpower9-dform and -mlra.
5347         * doc/md.texi (wO constraint): Document wO constraint.
5348
5349 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
5350
5351         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
5352         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
5353         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
5354         Move handling of non-insn arguments inline into the sole user:
5355         (output_trans_func): ...here.
5356         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
5357         in emitted function prototype.
5358         (output_internal_insn_latency_func): Ditto.  Simplify.
5359         (output_internal_maximal_insn_latency_func): Ditto.  Delete
5360         always-unused argument.
5361         (output_insn_latency_func): Ditto.
5362         (output_maximal_insn_latency_func): Ditto.
5363
5364 2016-05-11  Richard Biener  <rguenther@suse.de>
5365
5366         PR tree-optimization/71055
5367         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5368         sth with precision not equal to access size verify we don't chop
5369         off bits.
5370
5371 2016-05-11  Richard Biener  <rguenther@suse.de>
5372
5373         PR debug/71057
5374         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5375         (dwarf2out_finish): Move retry_incomplete_types call ...
5376         (dwarf2out_early_finish): ... here.
5377
5378 2016-05-11  Richard Biener  <rguenther@suse.de>
5379
5380         PR middle-end/71002
5381         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
5382         if the langhook insists on it.
5383         * fold-const.c (make_bit_field_ref): Add arg for the original
5384         reference and preserve its alias-set.
5385         (decode_field_reference): Take exp by reference and adjust it
5386         to the original memory reference.
5387         (optimize_bit_field_compare): Adjust callers.
5388         (fold_truth_andor_1): Likewise.
5389         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
5390
5391 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
5392
5393         PR middle-end/70807
5394         * cfgrtl.h (delete_insn_and_edges): Now return bool.
5395         * cfgrtl.c (delete_insn_and_edges): Likewise.
5396         * config/i386/i386.c (convert_scalars_to_vector): Remove
5397         redundant code.
5398         * cse.c (cse_insn): Compute cse_cfg_altered.
5399         (delete_trivially_dead_insns): Likewise.
5400         (cse_cc_succs): Likewise.
5401         (rest_of_handle_cse): Free dominance info if required.
5402         (rest_of_handle_cse2): Likewise.
5403         (rest_of_handle_cse_after_global_opts): Likewise.
5404
5405 2016-05-11  Alan Modra  <amodra@gmail.com>
5406
5407         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
5408         abi_v4_pass_in_fpr): New functions.
5409         (rs6000_function_arg_boundary): Exclude complex IBM long double
5410         from 64-bit alignment when ABI_V4.
5411         (rs6000_function_arg, rs6000_function_arg_advance_1,
5412         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
5413
5414 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
5415
5416         PR rtl-optimization/71028
5417         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
5418         jump with just a return in the fallthrough block if the branch
5419         block contains just a return as well.
5420
5421 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
5422
5423         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
5424         * match.pd ((X & Y) ^ Y): ... this.
5425         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
5426         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
5427
5428 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5429
5430         * read-md.c (require_char_ws): New function.
5431         (read_string): Simplify using require_char_ws.
5432         (handle_constants): Likewise.
5433         (handle_enum): Likewise.
5434         (handle_file): Likewise.
5435         * read-md.h (require_char_ws): New declaration.
5436         * read-rtl.c (read_conditions): Simplify using require_char_ws.
5437         (read_mapping): Likewise.
5438         (read_rtx_code): Likewise.
5439         (read_nested_rtx): Likewise.
5440
5441 2016-05-10  James Norris  <jnorris@codesourcery.com>
5442
5443         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
5444         if offloading is enabled and -fopenacc or -fopenmp is specified.
5445         (CRTOFFLOADEND): Likewise.
5446         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
5447         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
5448
5449 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
5450
5451         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
5452         gotoff_operand code paths.  Use copy_to_suggested_regs and
5453         expand_simple_binop where appropriate.  Cleanup.
5454
5455 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5456
5457         PR target/70799
5458         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5459         integer constants.
5460         (dimode_scalar_chain::vector_const_cost): New.
5461         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5462         (dimode_scalar_chain::convert_op): Likewise.
5463         (dimode_scalar_chain::convert_insn): Likewise.
5464
5465 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5466
5467         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5468         unary operation, not a binary one.
5469
5470 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5471
5472         PR middle-end/70877
5473         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5474         calls with type casted fndecl.
5475
5476 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5477
5478         PR tree-optimization/70786
5479         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5480         * calls.c (initialize_argument_information): Bind bounds
5481         with corresponding args passed by reference.
5482
5483 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5484
5485         PR target/70927
5486         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5487         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5488         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5489         accordingly.
5490
5491 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5492
5493         PR target/70963
5494         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5495         code for a zero scale factor.
5496         (vsx_xvcvdpuxds_scale): Likewise.
5497
5498 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5499
5500         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5501         if show_ruler_p was set on the context.
5502         (layout::show_ruler): New method.
5503         * diagnostic.h (struct diagnostic_context): Add field
5504         "show_ruler_p".
5505
5506 2016-05-10  Richard Biener  <rguenther@suse.de>
5507
5508         PR tree-optimization/71039
5509         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5510         (chk_uses): New function.
5511         (propagate_with_phi): Verify we can safely replicate the lhs of an
5512         aggregate assignment on all incoming edges.
5513
5514 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5515
5516         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5517         Forward declare.
5518         (rx_atomic_sequence): New class.
5519         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5520         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5521         non-inline.
5522         (rx_atomic_sequence::rx_atomic_sequence,
5523         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5524         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5525         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5526         CTRLREG_INTB): New constants.
5527         (FETCHOP): New code iterator.
5528         (fethcop_name, fetchop_name2): New iterator code attributes.
5529         (QIHI): New mode iterator.
5530         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5531         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5532         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5533
5534 2016-05-10  Martin Liska  <mliska@suse.cz>
5535
5536         * tree-inline.c (remap_dependence_clique): Do not remap
5537         debugging statements.
5538
5539 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5540
5541         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5542         ("*fixuns_truncdfdi2_z13")
5543         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5544         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5545         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5546
5547 2016-05-10  Richard Biener  <rguenther@suse.de>
5548
5549         PR tree-optimization/70497
5550         PR tree-optimization/28367
5551         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5552         split out from ...
5553         (visit_reference_op_load): ... here.
5554         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5555         with simplified BIT_FIELD_REFs.
5556         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5557         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5558         correctly.
5559
5560 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5561
5562         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5563         documentation comment.  For BLOCK nodes, add a
5564         DW_AT_abstract_origin attribute that points to the DIE generated
5565         for the origin BLOCK.
5566         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5567         blocks from inlined functions.
5568
5569 2016-05-10  Alan Modra  <amodra@gmail.com>
5570
5571         PR target/70947
5572         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5573         regrename modifying insns saving lr before __morestack call.
5574         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5575         insns restoring lr after __morestack call.
5576
5577 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5578
5579         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5580         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5581         expanders.
5582         * config/i386/sse.md (vec_interleave_high<mode>,
5583         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5584         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5585
5586 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5587
5588         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5589         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5590         parallel reassociation for power8 and forward.
5591
5592 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5593
5594         * config/i386/i386.md (absneg splitters with general regs): Use
5595         general_reg_operand predicate.
5596         (btsq peephole2): Use x86_64_immediate_operand to check if new
5597         value is suitable for immediate operand.  Generate emitted insn
5598         using RTL expressions.
5599         (btcq peephole2): Ditto.
5600         (btrq peephole2): Ditto.  Generate correct immediate operand
5601         for AND masking.
5602
5603 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5604
5605         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5606         bitpos.
5607
5608 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5609
5610         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5611         pointer dereference.
5612
5613 2016-05-09  Richard Biener  <rguenther@suse.de>
5614
5615         PR tree-optimization/70985
5616         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5617         op0 isn't a gimple register.
5618
5619 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5620
5621         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5622         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5623         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5624         (i6400_fpu_mult): New cpu units.
5625         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5626         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5627         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5628         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5629         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5630         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5631         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5632         (i6400_msa_long_float4, i6400_msa_long_float5)
5633         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5634         (i6400_msa_fdiv_sf): New reservations.
5635         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5636         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5637         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5638         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5639         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5640         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5641         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5642         (msa_short_store4, msa_long_load, msa_short_store)
5643         (msa_long_logic, msa_long_float2, msa_long_float4)
5644         (msa_long_float5, msa_long_float8, msa_long_mult)
5645         (msa_long_fdiv, msa_long_div): New reservations.
5646
5647 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5648             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5649             Matthew Fortune  <matthew.fortune@imgtec.com>
5650             Graham Stott  <graham.stott@imgtec.com>
5651             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5652
5653         * config.gcc: Add MSA header file for mips*-*-* target.
5654         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5655         (Ubv8i, Urv8):  New constraints.
5656         * config/mips/mips-ftypes.def: Add function types for MSA
5657         builtins.
5658         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5659         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5660         * config/mips/mips-msa.md: New file.
5661         * config/mips/mips-protos.h
5662         (mips_split_128bit_const_insns): New prototype.
5663         (mips_msa_idiv_insns): Likewise.
5664         (mips_split_128bit_move): Likewise.
5665         (mips_split_128bit_move_p): Likewise.
5666         (mips_split_msa_copy_d): Likewise.
5667         (mips_split_msa_insert_d): Likewise.
5668         (mips_split_msa_fill_d): Likewise.
5669         (mips_expand_msa_branch): Likewise.
5670         (mips_const_vector_same_val_p): Likewise.
5671         (mips_const_vector_same_bytes_p): Likewise.
5672         (mips_const_vector_same_int_p): Likewise.
5673         (mips_const_vector_shuffle_set_p): Likewise.
5674         (mips_const_vector_bitimm_set_p): Likewise.
5675         (mips_const_vector_bitimm_clr_p): Likewise.
5676         (mips_msa_vec_parallel_const_half): Likewise.
5677         (mips_msa_output_division): Likewise.
5678         (mips_ldst_scaled_shift): Likewise.
5679         (mips_expand_vec_cond_expr): Likewise.
5680         * config/mips/mips.c (enum mips_builtin_type): Add
5681         MIPS_BUILTIN_MSA_TEST_BRANCH.
5682         (mips_gen_const_int_vector_shuffle): New prototype.
5683         (mips_const_vector_bitimm_set_p): New function.
5684         (mips_const_vector_bitimm_clr_p): Likewise.
5685         (mips_const_vector_same_val_p): Likewise.
5686         (mips_const_vector_same_bytes_p): Likewise.
5687         (mips_const_vector_same_int_p): Likewise.
5688         (mips_const_vector_shuffle_set_p): Likewise.
5689         (mips_symbol_insns): Forbid loading symbols via immediate for
5690         MSA.
5691         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5692         stores.
5693         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5694         MSA.
5695         (mips_lx_address_p): Add support load indexed address for MSA.
5696         (mips_address_insns): Add calculation of instructions needed for
5697         stores and loads for MSA.
5698         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5699         CONST_VECTOR for MSA and let it fall through.
5700         (mips_ldst_scaled_shift): New function.
5701         (mips_subword_at_byte): Likewise.
5702         (mips_msa_idiv_insns): Likewise.
5703         (mips_legitimize_move): Validate MSA moves.
5704         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5705         calculation of costs for MSA division.
5706         (mips_split_move_p): Check if MSA moves need splitting.
5707         (mips_split_move): Split MSA moves if necessary.
5708         (mips_split_128bit_move_p): New function.
5709         (mips_split_128bit_move): Likewise.
5710         (mips_split_msa_copy_d): Likewise.
5711         (mips_split_msa_insert_d): Likewise.
5712         (mips_split_msa_fill_d): Likewise.
5713         (mips_output_move): Handle MSA moves.
5714         (mips_expand_msa_branch): New function.
5715         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5716         Reinstate 'y' modifier.
5717         (mips_file_start): Add MSA .gnu_attribute.
5718         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5719         FPRs.
5720         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5721         (mips_class_max_nregs): Add register size for MSA supported mode.
5722         (mips_cannot_change_mode_class): Allow conversion between MSA
5723         vector modes and TImode.
5724         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5725         instruction.
5726         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5727         (mips_preferred_simd_mode): Add preffered modes for MSA.
5728         (mips_vector_mode_supported_p): Add MSA supported modes.
5729         (mips_autovectorize_vector_sizes): New function.
5730         (mips_msa_output_division): Likewise.
5731         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5732         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5733         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5734         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5735         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5736         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5737         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5738         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5739         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5740         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5741         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5742         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5743         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5744         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5745         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5746         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5747         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5748         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5749         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5750         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5751         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5752         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5753         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5754         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5755         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5756         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5757         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5758         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5759         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5760         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5761         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5762         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5763         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5764         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5765         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5766         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5767         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5768         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5769         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5770         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5771         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5772         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5773         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5774         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5775         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5776         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5777         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5778         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5779         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5780         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5781         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5782         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5783         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5784         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5785         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5786         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5787         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5788         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5789         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5790         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5791         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5792         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5793         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5794         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5795         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5796         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5797         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5798         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5799         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5800         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5801         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5802         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5803         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5804         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5805         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5806         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5807         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5808         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5809         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5810         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5811         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5812         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5813         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5814         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5815         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5816         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5817         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5818         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5819         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5820         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5821         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5822         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5823         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5824         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5825         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5826         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5827         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5828         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5829         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5830         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5831         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5832         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5833         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5834         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5835         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5836         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5837         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5838         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5839         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5840         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5841         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5842         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5843         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5844         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5845         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5846         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5847         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5848         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5849         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5850         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5851         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5852         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5853         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5854         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5855         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5856         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5857         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5858         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5859         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5860         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5861         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5862         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5863         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5864         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5865         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5866         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5867         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5868         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5869         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5870         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5871         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5872         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5873         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5874         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5875         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5876         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5877         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5878         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5879         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5880         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5881         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5882         move_v builtins.
5883         (mips_get_builtin_decl_index): New array.
5884         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5885         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5886         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5887         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5888         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5889         array.
5890         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5891         hook.
5892         (mips_expand_builtin_insn): Prepare operands for
5893         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5894         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5895         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5896         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5897         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5898         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5899         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5900         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5901         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5902         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5903         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5904         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5905         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5906         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5907         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5908         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5909         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5910         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5911         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5912         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5913         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5914         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5915         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5916         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5917         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5918         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5919         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5920         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5921         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5922         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5923         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5924         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5925         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5926         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5927         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5928         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5929         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5930         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5931         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5932         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5933         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5934         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5935         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5936         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5937         These are set implicitly and an error is reported if overridden.
5938         (mips_expand_builtin_msa_test_branch): New function.
5939         (mips_expand_msa_shuffle): Likewise.
5940         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5941         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5942         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5943         (mips_expand_vec_unpack): Add support for MSA.
5944         (mips_expand_vector_init): Likewise.
5945         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5946         instead of const0_rtx.
5947         (mips_msa_vec_parallel_const_half): New function.
5948         (mips_gen_const_int_vector): Likewise.
5949         (mips_gen_const_int_vector_shuffle): Likewise.
5950         (mips_expand_msa_cmp): Likewise.
5951         (mips_expand_vec_cond_expr): Likewise.
5952         * config/mips/mips.h
5953         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5954         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5955         specified.
5956         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5957         (ISA_HAS_MSA): New macro.
5958         (UNITS_PER_MSA_REG): Likewise.
5959         (BITS_PER_MSA_REG): Likewise.
5960         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5961         (MSA_REG_FIRST): New macro.
5962         (MSA_REG_LAST): Likewise.
5963         (MSA_REG_NUM): Likewise.
5964         (MSA_REG_P): Likewise.
5965         (MSA_REG_RTX_P): Likewise.
5966         (MSA_SUPPORTED_MODE_P): Likewise.
5967         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5968         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5969         * config/mips/mips.md: Include mips-msa.md.
5970         (alu_type): Add simd_add.
5971         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5972         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5973         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5974         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5975         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5976         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5977         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5978         simd_move, simd_load, simd_store.  Choose "multi" for moves
5979         for "qword_mode".
5980         (qword_mode): New attribute.
5981         (insn_count): Add instruction count for quad moves.
5982         Increase the count for MIPS SIMD division.
5983         (UNITMODE): Add UNITMODEs for vector types.
5984         (addsub): New code iterator.
5985         * config/mips/mips.opt (mmsa): New option.
5986         * config/mips/msa.h: New file.
5987         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5988         specified.
5989         * config/mips/mti-linux.h: Likewise.
5990         * config/mips/predicates.md
5991         (const_msa_branch_operand): New constraint.
5992         (const_uimm3_operand): Likewise.
5993         (const_uimm4_operand): Likewise.
5994         (const_uimm5_operand): Likewise.
5995         (const_uimm8_operand): Likewise.
5996         (const_imm5_operand): Likewise.
5997         (aq10b_operand): Likewise.
5998         (aq10h_operand): Likewise.
5999         (aq10w_operand): Likewise.
6000         (aq10d_operand): Likewise.
6001         (const_m1_operand): Likewise.
6002         (reg_or_m1_operand): Likewise.
6003         (const_exp_2_operand): Likewise.
6004         (const_exp_4_operand): Likewise.
6005         (const_exp_8_operand): Likewise.
6006         (const_exp_16_operand): Likewise.
6007         (const_vector_same_val_operand): Likewise.
6008         (const_vector_same_simm5_operand): Likewise.
6009         (const_vector_same_uimm5_operand): Likewise.
6010         (const_vector_same_uimm6_operand): Likewise.
6011         (const_vector_same_uimm8_operand): Likewise.
6012         (par_const_vector_shf_set_operand): Likewise.
6013         (reg_or_vector_same_val_operand): Likewise.
6014         (reg_or_vector_same_simm5_operand): Likewise.
6015         (reg_or_vector_same_uimm6_operand): Likewise.
6016         * doc/extend.texi (MIPS SIMD Architecture Functions): New
6017         section.
6018         * doc/invoke.texi (-mmsa): Document new option.
6019
6020 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6021
6022         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
6023         * configure: Regenerate.
6024         * config.in: Regenerate.
6025         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
6026         on -fvtable-verify.
6027         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
6028         (ENDFILE_VTV_SPEC): Define.
6029
6030 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
6031
6032         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
6033         registers in all interrupt handlers if necessary.
6034         (rl78_option_override): Add warning.
6035         (MUST_SAVE_MDUC_REGISTERS): New macro.
6036         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
6037         * config/rl78/rl78.c (check_mduc_usage): New function.
6038         (mduc_regs): New structure to hold MDUC register data.
6039         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
6040         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
6041         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
6042         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
6043         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
6044         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
6045
6046 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
6047
6048         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
6049         (tree-ssa-loop-niter.h): Ditto.
6050         (idx_within_array_bound, ref_within_array_bound): New functions.
6051         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
6052         Factor out check on writable base object to ...
6053         (base_object_writable): ... here.
6054
6055 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6056
6057         * config/arm/arm.md (probe_stack): Add modes to set source
6058         and destination.
6059
6060 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
6061
6062         * regrename.c (base_reg_class_for_rename): New static function.
6063         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
6064
6065 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
6066
6067         * cgraph.c (thunk_adjust): Export.
6068         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
6069         * cgraphunit.c (thunk_adjust): Export.
6070         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
6071         thunks.
6072         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
6073         inlinable.
6074         * tree-inline.c (expand_call_inline): Expand thunks inline.
6075
6076 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
6077
6078         PR target/70998
6079         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
6080         (*sse2_vd_cvtss2sd): Ditto.
6081         * config/i386/i386.md
6082         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
6083         Generate *sse2_vd_cvtsd2ss pattern.
6084         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
6085         Generate *sse2_vd_cvtss2sd pattern.
6086
6087 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6088
6089         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
6090         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
6091         users.
6092
6093 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
6094
6095         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
6096         * config/sh/sh.c: Define and declare variables on first use throughout
6097         the file.
6098         (current_function_interrupt): Change to bool type.
6099         (frame_insn): Rename to emit_frame_insn and update users.
6100         (push_regs): Use bool for 'interrupt_handler' argument.
6101         (save_schedule_s): Remove.
6102         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
6103         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
6104         targetm.asm_out.unaligned_op.di.
6105         (gen_far_branch): Remove redundant forward declaration.
6106         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
6107         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
6108         (sh_set_return_address, sh_function_ok_for_sibcall,
6109         scavenge_reg): Update comments.
6110         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
6111         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
6112         (sh_attr_renesas_p): Remove unnecessary parentheses.
6113         (branch_dest): Simplify.
6114         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
6115         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
6116         (CUMULATIVE_ARGS): Change macro to typedef.
6117         (current_function_interrupt): Change to bool type.
6118         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
6119         Surround with __cplusplus ifdef.
6120         (sh_compare_op0, sh_compare_op1): Remove.
6121         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
6122
6123 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
6124
6125         * config/arm/arm.md: (arch): Add neon.
6126         (arch_enabled): Return yes for arch neon when TARGET_NEON.
6127         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
6128         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
6129         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
6130         attributes for alt renumbering.  Mark alt 3 as non-predicable.
6131         (thumb2_movdf_vfp): Likewise.
6132
6133 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
6134
6135         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
6136         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
6137         (*andqi_1): Add preferred_for_speed attribute to disparage
6138         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
6139         (*<code>qi_1): Ditto.
6140         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
6141         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
6142         (*ashlqi3_1): Ditto.
6143         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
6144         Add preferred_for_size attribute to disparage alternative 0 and
6145         preferred_for_speed attribute to disparage alternative 1 for
6146         TARGET_PARTIAL_REG_STALL targets.
6147
6148 2016-05-07  Tom de Vries  <tom@codesourcery.com>
6149
6150         PR tree-optimization/70956
6151         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
6152         def.
6153
6154 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
6155
6156         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
6157         * config/sh/sh.c (sh_cbranch_distance): Implement it.
6158         * config/sh/sh.md (branch_zero): Remove define_attr.
6159         (define_delay): Disable delay slot if branch distance is one insn.
6160
6161 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6162
6163         * config/i386/i386.md (LEAMODE): New mode attribute.
6164         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
6165         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
6166         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
6167         operand 2 predicate.
6168         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
6169         (*lea<mode>_general_3): Ditto.
6170         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
6171
6172 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6173
6174         * genmddump.c (main): Convert argv from char ** to const char **.
6175
6176 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6177
6178         * coretypes.h (OVERRIDE): New macro.
6179         (FINAL): New macro.
6180
6181 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
6182
6183         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
6184         allow coalescing if the types are compatible.
6185
6186 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6187
6188         * pass_manager.h (pass_manager::register_pass_name): New method.
6189         (pass_manager::get_pass_by_name): New method.
6190         (pass_manager::create_pass_tab): New method.
6191         (pass_manager::m_name_to_pass_map): New field.
6192         * passes.c (name_to_pass_map): Delete global in favor of field
6193         "m_name_to_pass_map" of pass_manager.
6194         (register_pass_name): Rename from a function to...
6195         (pass_manager::register_pass_name): ...this method, updating
6196         for renaming of global "name_to_pass_map" to field
6197         "m_name_to_pass_map".
6198         (create_pass_tab): Rename from a function to...
6199         (pass_manager::create_pass_tab): ...this method, updating
6200         for renaming of global "name_to_pass_map" to field.
6201         (get_pass_by_name): Rename from a function to...
6202         (pass_manager::get_pass_by_name): ...this method.
6203         (enable_disable_pass): Convert use of get_pass_by_name to
6204         a method call, locating the pass_manager singleton.
6205
6206 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
6207
6208         * genattr-common.c (main): Convert argv from char ** to const char **.
6209         * genattr.c (main): Likewise.
6210         * genattrtab.c (main): Likewise.
6211         * genautomata.c (initiate_automaton_gen): Likewise.
6212         (main): Likewise.
6213         * gencodes.c (main): Likewise.
6214         * genconditions.c (main): Likewise.
6215         * genconfig.c (main): Likewise.
6216         * genconstants.c (main): Likewise.
6217         * genemit.c (main): Likewise.
6218         * genenums.c (main): Likewise.
6219         * genextract.c (main): Likewise.
6220         * genflags.c (main): Likewise.
6221         * genmddeps.c (main): Likewise.
6222         * genopinit.c (main): Likewise.
6223         * genoutput.c (main): Likewise.
6224         * genpeep.c (main): Likewise.
6225         * genpreds.c (main): Likewise.
6226         * genrecog.c (main): Likewise.
6227         * gensupport.c (init_rtx_reader_args_cb): Likewise.
6228         (init_rtx_reader_args): Likewise.
6229         * gensupport.h (init_rtx_reader_args_cb): Likewise.
6230         (init_rtx_reader_args): Likewise.
6231         * gentarget-def.c (main): Likewise.
6232         * read-md.c (read_md_files): Likewise.
6233         * read-md.h (read_md_files): Likewise.
6234
6235 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6236
6237         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
6238         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
6239         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
6240         Remove unused predicate.
6241         (register_and_not_fp_reg_operand): Ditto.
6242
6243 2016-05-06  Martin Liska  <mliska@suse.cz>
6244
6245         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
6246         instead of vec as the vector is local to the function.
6247
6248 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
6249
6250         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
6251         avx512bw alternative.
6252
6253         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
6254         before the ashr<mode>3 pattern.
6255
6256         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
6257         v instead of x in vex or maybe_vex alternatives, use
6258         maybe_evex instead of vex in prefix.
6259
6260         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
6261         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
6262         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
6263         in vex or maybe_vex alternatives, use maybe_evex instead of vex
6264         in prefix.
6265
6266         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
6267         v instead of x in vex or maybe_vex alternatives, use
6268         maybe_evex instead of vex in prefix.
6269
6270         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
6271         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
6272         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
6273         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
6274         alternatives, use maybe_evex instead of vex in prefix.
6275
6276         * config/i386/sse.md (vec_interleave_lowv4sf,
6277         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
6278         v instead of x in vex or maybe_vex alternatives, use
6279         maybe_evex instead of vex in prefix.
6280
6281         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
6282         v instead of x in vex or maybe_vex alternatives, use
6283         maybe_evex instead of vex in prefix.
6284
6285         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
6286         v constraint instead of x.
6287
6288 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6289
6290         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
6291         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
6292         equality first.
6293
6294 2016-05-06  Richard Biener  <rguenther@suse.de>
6295
6296         PR tree-optimization/70948
6297         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
6298         Properly clobber all fields of va_list for __builtin_va_start.
6299
6300 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
6301
6302         PR debug/70935
6303         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
6304         loop latch destination.
6305
6306 2016-05-06  Martin Liska  <mliska@suse.cz>
6307
6308         * tree-ssa-uninit.c: Apply manual changes
6309         to the GNU coding style.
6310         (prune_uninit_phi_opnds): Rename from
6311         prune_uninit_phi_opnds_in_unrealizable_paths.
6312
6313 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6314
6315         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
6316         mspace): Remove deprecated options.
6317         * doc/invoke.texi (SH options): Remove -mspace.
6318
6319 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6320
6321         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
6322
6323 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6324
6325         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
6326         corresponding combine split pattern.
6327
6328 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6329
6330         PR target/58219
6331         * config/sh/predicates.md (long_displacement_mem_operand): New.
6332         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
6333         Add movi20, movi20s alternatives.  Adjust length attribute for
6334         alternatives.
6335         (movsi_ie): Allow for any FPU.  Adjust length attribute for
6336         alternatives.
6337         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
6338         attribute for alternatives.
6339         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
6340         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
6341         length attribute for alternatives.
6342
6343 2016-05-06  Richard Biener  <rguenther@suse.de>
6344
6345         PR tree-optimization/70960
6346         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
6347
6348 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6349
6350         PR target/52933
6351         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
6352         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
6353
6354 2016-05-06  Marek Polacek  <polacek@redhat.com>
6355
6356         PR sanitizer/70875
6357         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
6358
6359 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6360
6361         PR target/54089
6362         * config/sh/sh.md (*rotcr): Add another variant.
6363
6364 2016-05-06  Richard Biener  <rguenther@suse.de>
6365
6366         PR middle-end/70931
6367         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6368
6369 2016-05-06  Richard Biener  <rguenther@suse.de>
6370
6371         PR middle-end/70941
6372         * fold-const.c (split_tree): Always convert to the original type
6373         before negating.
6374
6375 2016-05-06  Richard Biener  <rguenther@suse.de>
6376
6377         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
6378         (fwprop_addr): Likewise.
6379
6380 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6381
6382         PR target/70873
6383         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
6384         New prototype.
6385         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
6386         * config/i386/i386.md (push mem splitter): Use find_constant_src in
6387         the splitter condition.
6388         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
6389         the splitter condition.
6390         (FP float_extend load splitter): Ditto.
6391
6392 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
6393
6394         * config/i386/i386.md (peehole2 patterns): Change true_regnum
6395         to REGNO in all peephole2 patterns.
6396         (post-reload splitters): Change true_regnum to REGNO in
6397         post-reload splitters.
6398         (zero_extend splitters): Use general_reg_operand and
6399         nonimmediate_gr_operand predicates.
6400
6401 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
6402
6403         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
6404         v constraint instead of x.
6405
6406 2016-05-05  Alan Modra  <amodra@gmail.com>
6407
6408         PR target/68662
6409         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6410         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
6411         TARGET_NO_FP_IN_TOC for -mrelocatable.
6412         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
6413         TARGET_RELOCATABLE test.
6414         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6415         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6416         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6417         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6418         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6419         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6420         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6421         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6422         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
6423         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6424         Likewise.
6425         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
6426         (rs6000_stack_info): Likewise.
6427         (rs6000_elf_asm_out_constructor): Likewise.
6428         (rs6000_elf_asm_out_destructor): Likewise.
6429         (rs6000_elf_declare_function_name): Likewise.
6430         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
6431         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
6432         Don't define.
6433
6434 2016-05-05  Alan Modra  <amodra@gmail.com>
6435
6436         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
6437
6438 2016-05-05  Alan Modra  <amodra@gmail.com>
6439
6440         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6441         out-of-line gpr restore for one or two regs if that would add
6442         a save of lr.
6443
6444 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
6445
6446         PR target/70873
6447         * config/i386/i386.md
6448         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
6449         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
6450         as operand 0 predicate.
6451         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
6452         Ditto.
6453         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
6454         Ditto.  Emit the pattern using RTX.
6455
6456         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6457         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6458         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6459         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6460         Ditto.
6461         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6462         sse_reg_operand as operand 0 predicate.
6463
6464         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6465         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6466         instead of gen_rtx_REG.
6467         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6468         Ditto.
6469
6470 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6471
6472         * function.c (emit_use_return_register_into_block): Delete.
6473         (gen_return_pattern): Delete.
6474         (emit_return_into_block): Delete.
6475         (active_insn_between): Delete.
6476         (convert_jumps_to_returns): Delete.
6477         (emit_return_for_exit): Delete.
6478         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6479         simple_return for shrink-wrapped blocks.
6480         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6481         end of blocks that need one.
6482         (get_unconverted_simple_return): Delete.
6483         (convert_to_simple_return): Delete.
6484         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6485         (convert_to_simple_return): Ditto.
6486
6487 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6488
6489         * cfgcleanup.c (bb_is_just_return): New function.
6490         (try_optimize_cfg): Simplify jumps to return, branches to return,
6491         and branches around return.
6492
6493 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6494
6495         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6496         branch to a return.
6497
6498 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6499
6500         PR c++/70906
6501         PR c++/70933
6502         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6503         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6504         assert flags & OEP_HASH_CHECK, instead of asserting it
6505         never happens.  Handle TARGET_EXPR.
6506         * fold-const.c (operand_equal_p): For hash verification,
6507         or in OEP_HASH_CHECK into flags.
6508
6509 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6510
6511         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6512         comment.
6513         (compute_samebase_partition_bases): Fix typo.
6514
6515 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6516
6517         * config/i386/sse.md (vec_interleave_highv8sf,
6518         vec_interleave_lowv8sf, vec_interleave_highv4df,
6519         vec_interleave_lowv4df): Remove constraints from expanders.
6520
6521         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6522
6523 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6524
6525         * tree-inline.c (expand_call_inline): Fix path dealing with
6526         making lhs of call statement undefined.
6527
6528 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6529
6530         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6531         Check availability on NODE, too.
6532         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6533         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6534         (varpool_node::call_for_symbol_and_aliase): Likewise.
6535         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6536         (propagate_pure_const): Propagate across interposable functions, too.
6537         (skip_function_for_local_pure_const): Do not skip interposable bodies
6538         with aliases.
6539         (pass_local_pure_const::execute): Update.
6540
6541 2016-05-04  Marek Polacek  <polacek@redhat.com>
6542
6543         * doc/invoke.texi: Document -Wdangling-else.
6544
6545 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6546
6547         * config.gcc: Error out when conflicting multilib is detected.  Do not
6548         loop over multilibs since no combination is legal.
6549
6550 2016-05-04  Alan Modra  <amodra@gmail.com>
6551
6552         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6553         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6554         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6555         Align .toc.
6556
6557 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6558
6559         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6560         Clean up p5600 comments.
6561
6562 2016-05-04  Richard Biener  <rguenther@suse.de>
6563
6564         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6565         constructor simplifications.
6566         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6567
6568 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6569
6570         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6571         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6572         result.set_rtx is null instead of aborting.
6573         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6574         Always enable.
6575         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6576         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6577         *mov<mode>_store_postinc): New patterns.
6578
6579 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6580
6581         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6582         as commutative.  Check both conversions are NOP.
6583         ((A & B) OP (C & B)): Remove.
6584
6585 2016-05-04  Alan Modra  <amodra@gmail.com>
6586
6587         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6588
6589 2016-05-04  Alan Modra  <amodra@gmail.com>
6590
6591         PR target/70866
6592         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6593         when cr2,3,4 are all fixed regs.
6594
6595 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6596
6597         PR rtl-optimization/57193
6598         * opts.c (default_options_table): Revert OPT_frename_registers change.
6599         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6600
6601 2016-05-03  Martin Sebor  <msebor@redhat.com>
6602
6603         PR c++/66561
6604         * builtins.c (fold_builtin_FILE): New function.
6605         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6606         (fold_builtin_0): Call them.
6607         * gimplify.c (gimplify_call_expr): Remove the handling of
6608         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6609
6610         PR c++/66561
6611         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6612         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6613         constants.
6614
6615         PR c++/66639
6616         * doc/extend.texi (Function Names as Strings): Update __func__,
6617         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6618         constants.
6619
6620 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6621             Richard Biener  <rguenther@suse.de>
6622
6623         PR tree-optimization/70916
6624         * tree-if-conv.c: Include cfganal.h.
6625         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6626         and remove_fake_exit_edges around the optimization pass.
6627
6628 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6629
6630         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6631         (cgraph_edge::make_direct): Likewise.
6632         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6633         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6634         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6635         (CIF_THUNK): New code.
6636         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6637         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6638         (compute_inline_parameters): Set inline_failed for thunks.
6639         (inline_analyze_function): Cleanup.
6640         * ipa-inline.c (can_inline_edge_p): Do not deal with
6641         call_stmt_cannot_inline_p.
6642         (can_early_inline_edge_p): Likewise.
6643         (early_inliner): Initialize inline_failed.
6644         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6645
6646 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6647
6648         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6649         from nonimm_ssenomem_operand.
6650         (nonimm_ssenomem_operand): New predicate.
6651         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6652         as operand 0 predicate.
6653         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6654         Disable unsupported alternatives using "enabled" attribute.
6655         Use register_ssemem_operand as operand 0 predicate.
6656         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6657
6658 2016-05-03  Marek Polacek  <polacek@redhat.com>
6659
6660         PR c/70859
6661         * input.c (expansion_point_location): New function.
6662         * input.h (expansion_point_location): Declare.
6663
6664 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6665
6666         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6667         occurence with frame_offset_ ones.
6668
6669 2016-05-03  Alan Modra  <amodra@gmail.com>
6670
6671         PR rtl-optimization/70890
6672         * ira.c (combine_and_move_insns): When moving def_insn, remove
6673         equivs on use_insn.
6674
6675 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6676
6677         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6678         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6679         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6680         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6681
6682 2016-05-03  Alan Modra  <amodra@gmail.com>
6683
6684         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6685         for SAVE_MULTIPLE/STORE_MULTIPLE.
6686
6687 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6688
6689         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6690         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6691
6692 2016-05-03  Richard Biener  <rguenther@suse.de>
6693
6694         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6695         default true.
6696         (gimplify_arg): Likewise.
6697         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6698         re-writing the result to a decl if required.
6699         (internal_get_tmp_var): Add allow_ssa parameter
6700         and override into_ssa with it.
6701         (get_formal_tmp_var): Adjust.
6702         (get_initialized_tmp_var): Add allow_ssa parameter.
6703         (gimplify_arg): Add allow_ssa parameter and avoid generating
6704         SSA names for the result false.
6705         (gimplify_call_expr): If the call may return twice do not
6706         gimplify parameters into SSA.
6707         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6708         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6709         with a SSA name LHS adjust its def.
6710         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6711         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6712         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6713         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6714         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6715         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6716         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6717         (optimize_target_teams): Do not allow SSA names for clause operands.
6718         (gimplify_expr): Likewise for where we mark the result addressable.
6719         * passes.def (pass_init_datastructures): Remove.
6720         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6721         (rewrite_stmt): Likewise.
6722         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6723         (replace_locals_op): Replace SSA names.
6724         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6725         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6726         * cgraph.c (release_function_body): Free CFG annotations only
6727         when we have a CFG.  Simplify.
6728         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6729         force_gimple_operand instead of get_initialized_tmp_var.
6730         * tree-pass.h (make_pass_init_datastructures): Remove.
6731         * tree-ssa.c (execute_init_datastructures): Remove.
6732         (pass_data_init_datastructures): Likewise.
6733         (class pass_init_datastructures): Likewise.
6734         (make_pass_init_datastructures): Likewise.
6735         * omp-low.c (create_omp_child_function): Init SSA data structures.
6736         (grid_expand_target_grid_body): Likewise.
6737         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6738         name before adding it to names_to_release.
6739         (remove_bb): Always release SSA defs.
6740         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6741         before dereferencing it.
6742         * cgraphunit.c (init_lowered_empty_function): Always
6743         int SSA data structures.
6744         * tree-ssanames.c (release_defs): Remove assert that we are in
6745         SSA form.
6746         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6747
6748 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6749             Uros Bizjak  <ubizjak@gmail.com>
6750
6751         PR rtl-optimization/70467
6752         * config/i386/predicates.md (x86_64_hilo_int_operand,
6753         x86_64_hilo_general_operand): New predicates.
6754         * config/i386/constraints.md (Wd): New constraint.
6755         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6756         (general_hilo_operand): New mode attr.
6757         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6758         instead of <general_operand>.
6759         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6760         x86_64_hilo_general_operand instead of <general_operand>.
6761
6762 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6763
6764         PR tree-optimization/70916
6765         * tree-if-conv.c (constant_or_ssa_name): Removed.
6766         (fold_build_cond_expr): Use is_gimple_val instead of
6767         constant_or_ssa_name.
6768
6769         PR tree-optimization/70916
6770         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6771         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6772
6773         PR target/49244
6774         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6775         (optimize_atomic_bit_test_and): New function.
6776         (pass_fold_builtins::execute): Use it.
6777         * optabs.def (atomic_bit_test_and_set_optab,
6778         atomic_bit_test_and_complement_optab,
6779         atomic_bit_test_and_reset_optab): New optabs.
6780         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6781         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6782         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6783         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6784         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6785         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6786         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6787         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6788         atomic_bit_test_and_complement@var{mode},
6789         atomic_bit_test_and_reset@var{mode}): Document.
6790         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6791         atomic_bit_test_and_complement<mode>,
6792         atomic_bit_test_and_reset<mode>): New expanders.
6793         (atomic_bit_test_and_set<mode>_1,
6794         atomic_bit_test_and_complement<mode>_1,
6795         atomic_bit_test_and_reset<mode>_1): New insns.
6796
6797 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6798
6799         PR rtl-optimization/70687
6800         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6801         instead of unsigned HOST_WIDE_INT.
6802
6803 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6804
6805         PR rtl-optimization/44281
6806         * hard-reg-set.h (struct target_hard_regs): New field
6807         x_fixed_nonglobal_reg_set.
6808         (fixed_nonglobal_reg_set): New macro.
6809         * reginfo.c (init_reg_sets_1): Initialize it.
6810         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6811         of fixed_reg_set.
6812         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6813
6814 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6815
6816         PR tree-optimization/56541
6817         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6818         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6819         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6820         (any_complicated_phi): new static variable.
6821         (aggressive_if_conv): delete.
6822         (if_convertible_phi_p): support phis with more than two arguments.
6823         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6824         critical pred edges.
6825         (ifcvt_split_critical_edges): support phis with more than two
6826         arguments by checking new parameter.  only split critical edges
6827         if needed.
6828         (tree_if_conversion): handle simd pragma marked loop using new
6829         local variable aggressive_if_conv.  check any_complicated_phi.
6830
6831 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6832
6833         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6834         before using it.
6835
6836 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6837
6838         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6839         cbase.
6840
6841 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6842
6843         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6844         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6845         define_insn_and_split.
6846         (mulsi3_i): New define_insn_and_split.
6847         (mulsi3_call): Convert to define_insn.
6848         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6849         Remove constraints.
6850
6851 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6852
6853         * machmode.h (mode_complex): Add support to give the complex mode
6854         for a given mode.
6855         (GET_MODE_COMPLEX_MODE): Likewise.
6856         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6857         stored by build_complex_type and gfc_build_complex_type instead of
6858         trying to figure out the appropriate mode based on the size. Raise
6859         an assertion error, if the type was not set.
6860         * genmodes.c (struct mode_data): Add field for the complex type of
6861         the given type.
6862         (blank_mode): Likewise.
6863         (make_complex_modes): Remember the complex mode created in the
6864         base type.
6865         (emit_mode_complex): Write out the mode_complex array to map a
6866         type mode to the complex version.
6867         (emit_insn_modes_c): Likewise.
6868         * tree.c (build_complex_type): Set the complex type to use before
6869         calling layout_type.
6870         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6871         support for __float128 complex datatypes.
6872         (rs6000_hard_regno_mode_ok): Likewise.
6873         (rs6000_setup_reg_addr_masks): Likewise.
6874         (rs6000_complex_function_value): Likewise.
6875         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6876         __float128 and __ibm128 complex.
6877         (FLOAT128_IBM_P): Likewise.
6878         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6879         * doc/extend.texi (Additional Floating Types): Document that
6880         -mfloat128 must be used to enable __float128.  Document complex
6881         __float128 and __ibm128 support.
6882
6883 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6884
6885         PR target/49244
6886         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6887         char/short arguments promoted to int because of promote_prototypes.
6888
6889 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6890
6891         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6892         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6893         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6894         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6895         alternatives using "enabled" attribute.  Use register_ssemem_operand
6896         as operand 1 predicate.
6897         (*cmpi<unord>xf_i387): Split XFmode pattern from
6898         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6899         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6900         *absneg<mode>2_i387.  Disable unsupported alternatives using
6901         "enabled" attribute.
6902         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6903
6904 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6905
6906         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6907         marker.
6908         (oacc_loop_process): Check mask for loop termination.
6909
6910 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6911
6912         * cif-code.def (CIF_THUNK): Add.
6913         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6914         accidental change.
6915
6916 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6917
6918         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6919         (dump_inline_summary): Dump it.
6920         (fp_expression_p): New predicate.
6921         (estimate_function_body_sizes): Use it.
6922         (inline_merge_summary): Merge fp_expressions.
6923         (inline_read_section): Read fp_expressions.
6924         (inline_write_summary): Write fp_expressions.
6925         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6926         codegen boundary if either caller or callee is !fp_expressions.
6927         * ipa-inline.h (inline_summary): Add fp_expressions.
6928         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6929         to fp_expressions be sure the fp generation flags are updated.
6930
6931 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6932
6933         PR rtl-optimization/70467
6934         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6935
6936         PR rtl-optimization/70467
6937         * ipa-pure-const.c (check_call): Handle internal calls even in
6938         ipa mode like in local mode.
6939
6940 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6941
6942         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6943
6944 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6945
6946         * match.pd (X u< X, X u> X): New transformations.
6947
6948 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6949
6950         * flag-types.h (enum warn_strict_overflow_code): Move ...
6951         * coretypes.h: ... here.
6952         * fold-const.h (fold_overflow_warning): Declare.
6953         * fold-const.c (fold_overflow_warning): Make non-static.
6954         (fold_comparison): Move the transformation of X +- C1 CMP C2
6955         into X CMP C2 -+ C1 ...
6956         * match.pd: ... here.
6957         * gimple-fold.c (fold_stmt_1): Protect with
6958         fold_defer_overflow_warnings.
6959
6960 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6961
6962         * omp-low.c (struct oacc_loop): Add 'inner' field.
6963         (new_oacc_loop_raw): Initialize it to zero.
6964         (oacc_loop_fixed_partitions): Initialize it.
6965         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6966         available partitioning.
6967
6968 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6969
6970         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6971         register_operand.
6972         (umulsidi3): Likewise.
6973         (indirect_jump): Fix jump instruction assembly patterns.
6974
6975 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6976
6977         PR target/70860
6978         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6979         (nvptx_function_value): Assert non-NULL cfun.
6980
6981 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6982
6983         PR rtl-optimization/70886
6984         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6985
6986         * cselib.h (rtx_equal_for_cselib_1): Declare.
6987         (rtx_equal_for_cselib_p: New inline function.
6988         * cselib.c (rtx_equal_for_cselib_p): Delete.
6989         (rtx_equal_for_cselib_1): Make public.
6990
6991 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6992
6993         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6994         (register_mixssei387nonimm_operand): Remove predicate.
6995         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6996         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6997         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6998         for TARGET_MIX_SSE_I387 alternatives.
6999         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
7000         Disable unsupported alternatives using "enabled" attribute.  Use
7001         nonimm_ssenomem_operand as operand 1 predicate.  Also check
7002         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
7003
7004 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7005
7006         * tree.c (cst_and_fits_in_hwi): Simplify.
7007
7008 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7009
7010         * tree.h (wi::to_wide): New function.
7011         * expr.c (expand_expr_real_1): Use wi::to_wide.
7012         * fold-const.c (int_const_binop_1): Likewise.
7013         (extract_muldiv_1): Likewise.
7014
7015 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7016
7017         * wide-int.h: Update offset_int and widest_int documentation.
7018         (WI_SIGNED_SHIFT_RESULT): New macro.
7019         (wi::binary_shift): Define signed_shift_result_type for
7020         shifts on offset_int- and widest_int-like types.
7021         (generic_wide_int): Support <<= and >>= if << and >> are supported.
7022         * tree.h (int_bit_position): Use shift operators instead of wi::
7023          shifts.
7024         * alias.c (adjust_offset_for_component_ref): Likewise.
7025         * expr.c (get_inner_reference): Likewise.
7026         * fold-const.c (fold_comparison): Likewise.
7027         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
7028         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
7029         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7030         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
7031         (stmt_kills_ref_p): Likewise.
7032         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
7033         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
7034         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7035         (ao_ref_init_from_vn_reference): Likewise.
7036
7037 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
7038
7039         * wide-int.h: Update offset_int and widest_int documentation.
7040         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
7041         (wi::binary_traits): Allow ordered comparisons between offset_int and
7042         offset_int, between widest_int and widest_int, and between either
7043         of these types and basic C types.
7044         (operator <, <=, >, >=): Define for the same combinations.
7045         * tree.h (tree_int_cst_lt): Use comparison operators instead
7046         of wi:: comparisons.
7047         (tree_int_cst_le): Likewise.
7048         * gimple-fold.c (fold_array_ctor_reference): Likewise.
7049         (fold_nonarray_ctor_reference): Likewise.
7050         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
7051         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
7052         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
7053         * tree-sra.c (completely_scalarize): Likewise.
7054         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
7055         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
7056         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
7057         (check_for_binary_op_overflow): Likewise.
7058         (search_for_addr_array): Likewise.
7059         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
7060
7061 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7062
7063         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
7064         (arc_save_restore): Likewise.
7065         (arc_dwarf_register_span): Likewise.
7066         (arc_output_pic_addr_const): Initialize suffix variable.
7067
7068 2016-05-02  Martin Liska  <mliska@suse.cz>
7069
7070         * symbol-summary.h (function_summary::function_summary):
7071         Remove checking assert for all cgraph nodes.
7072         (function_summary::get): Check summary_uid.
7073         (symtab_insertion): Check summary_uid.
7074
7075 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
7076
7077         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
7078         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
7079         bmaskn instruction.
7080         (arc_dwarf_register_span): Remove enum keyword.
7081         (compact_memory_operand_p): New function.
7082         * config/arc/arc.h (reg_class): Add code density register classes.
7083         (REG_CLASS_NAMES): Likewise.
7084         (REG_CLASS_CONTENTS): Likewise.
7085         * config/arc/arc.md (*movqi_insn): Add code density instructions.
7086         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
7087         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
7088         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
7089         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
7090         constraints.
7091         (h, Rcd, Rsd, Rzd): New register constraints.
7092         (T): Use compact_memory_operand_p function.
7093         * config/arc/predicates.md (compact_load_memory_operand): Remove.
7094
7095 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7096
7097         * config/sh/sh.md (*negnegt, *movtt): Remove.
7098
7099 2016-05-02  Marek Polacek  <polacek@redhat.com>
7100             Tom de Vries  <tom@codesourcery.com>
7101
7102         PR tree-optimization/70700
7103         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
7104         bigger than FIRST_REF_NODE.
7105
7106 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
7107
7108         PR target/52898
7109         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
7110         TARGET_CMPEQDI_T.
7111         (prepare_cbranch_operands): Don't use scratch register.  Assume that
7112         function is used when pseudos can be created.
7113         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
7114         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
7115         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
7116         define_expand.  Allow it only when pseudos can be created.
7117         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
7118
7119 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
7120
7121         * config/i386/constraints.md (BC): Only allow -1 operands.
7122         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
7123         Add "enabled" attribute.  Update XI mode attribute calculation.
7124         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
7125         (*movoi_internal_avx): Update XI mode attribute calculation.
7126         (*movti_internal): Ditto.
7127
7128 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7129
7130         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
7131         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
7132
7133 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
7134
7135         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
7136         statement on instruction code.  Remove trailing spaces.
7137         (altivec_expand_stv_builtin): Likewise.
7138
7139 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7140
7141         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
7142         (TARGET_FPU_DOUBLE): Simplify.
7143         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
7144         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
7145         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
7146         with 'TARGET_FPU_DOUBLE'.
7147         * config/sh/sh.md: Likewise.
7148
7149 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
7150
7151         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
7152         SH_DIV_STR_FOR_SIZE): Remove.
7153         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
7154         SH_DIV_STR_FOR_SIZE): Remove.
7155
7156 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
7157
7158         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
7159         logical_reg_operand): Delete.
7160         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
7161         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
7162         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
7163         match_operand and match_test.
7164         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
7165         variables on their first use.  Return bool values.
7166         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
7167         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
7168         arith_reg_operand for input operand.  Remove empty constraints.
7169         (xorsi3): Delete.
7170         (*xorsi3_compact): Rename to xorsi3.
7171         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
7172         (*zero_extend<mode>si2_disp_mem): Update comment.
7173         (mov_nop): Delete.
7174
7175 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7176
7177         * config/sh/t-sh: Remove SH5 support.
7178         * config.gcc: Likewise.
7179         * configure: Likewise.
7180
7181 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7182
7183         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
7184
7185 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
7186
7187         * config/sh/sh.c (register_sh_passes, sh_option_override,
7188         sh_print_operand, prepare_move_operands,
7189         sh_can_follow_jump): Remove TARGET_SH1 checks.
7190         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
7191         PROMOTE_MODE): Likewise.
7192         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
7193         movdi): Likewise.
7194
7195 2016-04-30  Alan Modra  <amodra@gmail.com>
7196
7197         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
7198         restoring when fixed_reg_p, but allow out-of-line or stmw save.
7199         Check for user regs later to avoid unnecessary looping over regs.
7200         Merge user reg check with non-saved reg check.  Don't force
7201         inline VR restore when static chain used.
7202         (rs6000_frame_related): Omit eh_frame info for user regs when
7203         saving.
7204         (fixed_regs_p): Delete.
7205
7206 2016-04-30  Alan Modra  <amodra@gmail.com>
7207
7208         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
7209         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
7210         Update all uses.
7211
7212 2016-04-30  Alan Modra  <amodra@gmail.com>
7213
7214         PR target/69645
7215         * config/rs6000/rs6000.c (fixed_reg_p): New function.
7216         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
7217         Update all uses.
7218
7219 2016-04-30  Alan Modra  <amodra@gmail.com>
7220
7221         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
7222         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
7223         flag_pic test for Darwin.
7224
7225 2016-04-30  Alan Modra  <amodra@gmail.com>
7226
7227         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
7228         throw_calls_crossed.
7229         (REG_FREQ_CALLS_CROSSED): Delete.
7230         (REG_N_THROWING_CALLS_CROSSED): Delete.
7231         * regstat.c (regstat_bb_compute_ri): Don't calculate
7232         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
7233         (dump_reg_info): Don't print call cross frequency.
7234         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
7235         and REG_N_THROWING_CALLS_CROSSED.
7236
7237 2016-04-30  Alan Modra  <amodra@gmail.com>
7238
7239         * regs.h (struct reg_info_t): Delete live_length.
7240         (REG_LIVE_LENGTH): Delete macro.
7241         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
7242         local_live, local_processed and local_live_last_luid params.
7243         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
7244         Formatting fixes.
7245         (regstat_compute_ri): Adjust for above.  Don't set
7246         REG_LIVE_LENGTH.
7247         (dump_reg_info): Don't print live length.
7248         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
7249         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
7250         Localize loop_depth var.
7251
7252 2016-04-30  Alan Modra  <amodra@gmail.com>
7253
7254         * ira.c (enum valid_equiv): New.
7255         (validate_equiv_mem): Return enum.
7256         (update_equiv_mem): Create replacement in more cases.
7257         (add_store_equivs): Update validate_equiv_mem call.
7258
7259 2016-04-30  Alan Modra  <amodra@gmail.com>
7260
7261         * ira.c (combine_and_move_insns): Rather than scanning insns,
7262         use DF infrastucture to find use and def insns.
7263
7264 2016-04-30  Alan Modra  <amodra@gmail.com>
7265
7266         ira.c (combine_and_move_insns): Move invariant conditions..
7267         (ira.c): ..to here.  Call combine_and_move_insns before
7268         add_store_equivs.  Call grow_reg_equivs later.  Allocate
7269         req_equiv later using max_reg_num() rather than global max_regno.
7270         (contains_replace_regs): Delete.
7271         (add_store_equivs): Remove contains_replace_regs test.
7272
7273 2016-04-30  Alan Modra  <amodra@gmail.com>
7274
7275         * ira.c (struct equiv_mem_data): New.
7276         (equiv_mem, equiv_mem_modified): Delete static vars.
7277         (validate_equiv_mem_from_store): Use "data" param to communicate..
7278         (validate_equiv_mem): ..from here.
7279
7280 2016-04-30  Alan Modra  <amodra@gmail.com>
7281
7282         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
7283         split out from..
7284         (update_reg_equivs): ..here.  Move allocation and freeing of
7285         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
7286         end_alias_analysis to..
7287         (ira): ..here.
7288
7289 2016-04-30  Alan Modra  <amodra@gmail.com>
7290
7291         * ira.c (pdx_subregs): Delete.
7292         (struct equivalence): Add pdx_subregs field.
7293         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
7294         pdx_subregs access.
7295         (update_equiv_regs): Don't create or free pdx_subregs.  Update
7296         pdx_subregs access.
7297
7298 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7299
7300         * config/rs6000/altivec.h: Change definitions of vec_xl and
7301         vec_xst.
7302         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
7303         (LD_ELEMREV_V2DI): New.
7304         (LD_ELEMREV_V4SF): New.
7305         (LD_ELEMREV_V4SI): New.
7306         (LD_ELEMREV_V8HI): New.
7307         (LD_ELEMREV_V16QI): New.
7308         (ST_ELEMREV_V2DF): New.
7309         (ST_ELEMREV_V2DI): New.
7310         (ST_ELEMREV_V4SF): New.
7311         (ST_ELEMREV_V4SI): New.
7312         (ST_ELEMREV_V8HI): New.
7313         (ST_ELEMREV_V16QI): New.
7314         (XL): New.
7315         (XST): New.
7316         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7317         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
7318         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
7319         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
7320         (altivec_expand_builtin): Add handling for
7321         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
7322         (rs6000_invalid_builtin): Add error-checking for
7323         RS6000_BTM_P9_VECTOR.
7324         (altivec_init_builtins): Define builtins used to implement vec_xl
7325         and vec_xst.
7326         (rs6000_builtin_mask_names): Define power9-vector.
7327         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
7328         (RS6000_BTM_P9_VECTOR): Define.
7329         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
7330         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
7331         (vsx_ld_elemrev_v2df): Likewise.
7332         (vsx_ld_elemrev_v4sf): Likewise.
7333         (vsx_ld_elemrev_v4si): Likewise.
7334         (vsx_ld_elemrev_v8hi): Likewise.
7335         (vsx_ld_elemrev_v16qi): Likewise.
7336         (vsx_st_elemrev_v2df): Likewise.
7337         (vsx_st_elemrev_v2di): Likewise.
7338         (vsx_st_elemrev_v4sf): Likewise.
7339         (vsx_st_elemrev_v4si): Likewise.
7340         (vsx_st_elemrev_v8hi): Likewise.
7341         (vsx_st_elemrev_v16qi): Likewise.
7342         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
7343         grammar.
7344
7345 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
7346
7347         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
7348         out into ...
7349         (simplify_control_stmt_condition_1): ... here.  Recurse into
7350         BIT_AND_EXPRs and BIT_IOR_EXPRs.
7351
7352 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
7353
7354         PR target/69810
7355         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
7356         (zero_extendqi<mode>2_dot): Revert earlier conversion from
7357         define_insn_and_split to define_insn.
7358         (zero_extendqi<mode>2_dot2): Same.
7359         (extendqi<mode>2_dot): Same.
7360         (extendqi<mode>2_dot2): Same.
7361
7362 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7363
7364         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7365         (probe_stack): New expander.
7366         (probe_stack_<mode>): New insn pattern.
7367
7368 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7369
7370         * config/i386/i386.md
7371         (operations with memory inputs setting flags peephole2):
7372         Remove uneeded REG_P checks.  Cleanup pattern generation.
7373
7374 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
7375
7376         * tree-vect-loop.c (vect_transform_loop): Fix
7377         nb_iterations_upper_bound computation for vectorized loop.
7378
7379 2016-04-29  Marek Polacek  <polacek@redhat.com>
7380             Jakub Jelinek  <jakub@redhat.com>
7381
7382         PR sanitizer/70342
7383         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
7384         TARGET_EXPR_SLOT as a base.
7385
7386 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
7387
7388         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
7389         with 'rCm2' constraints to limit possible immediate size.
7390         (*load_zeroextendqisi_update): Likewise.
7391         (*load_signextendqisi_update): Likewise.
7392         (*loadhi_update): Likewise.
7393         (*load_zeroextendhisi_update): Likewise.
7394         (*load_signextendhisi_update): Likewise.
7395         (*loadsi_update): Likewise.
7396         (*loadsf_update): Likewise.
7397
7398 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7399
7400         * config/i386/predicates.md (constm1_operand): Fix comparison.
7401
7402 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7403
7404         * testsuite/gcc.target/arc/ieee_eq.c: New test.
7405
7406 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
7407
7408         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
7409         remaining SH5 related settings.
7410         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
7411         shmedia_prepare_call_address): Delete.
7412         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
7413         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
7414         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
7415         UNSUPPORTED_SH2A): Remove m5 checks.
7416         (sh_divide_strategy_e): Remove SH5 division strategies.
7417         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
7418         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
7419
7420 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7421
7422         * config/s390/s390.c (s390_rtx_costs): Update documentation.
7423
7424 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7425
7426         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
7427         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
7428         Change lder to ldr.
7429         * config/s390/vector.md ("mov<mode>"): Likewise.
7430
7431 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
7432
7433         * config/s390/constraints.md ("U", "W"): Invoke
7434         s390_mem_constraint with "ZR" and "ZT".
7435         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
7436         addresses when using LRA.  Accept also short displacements for S
7437         and T constraints.  Do not check for long displacement target for
7438         S and T constraints.
7439         (s390_mem_constraint): Remove handling of U and W constraints.
7440         * config/s390/s390.md (various patterns): Remove the short
7441         displacement constraints (Q and R) if a long displacement
7442         constraint is present.  Add longdisp as required CPU capability.
7443         * config/s390/vector.md: Likewise.
7444         * config/s390/vx-builtins.md: Likewise.
7445
7446 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7447
7448         PR target/60040
7449         * reload1.c (reload): Call finish_spills before
7450         restarting reload loop. Skip select_reload_regs
7451         if update_eliminables_and_spill returns true.
7452
7453 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7454
7455         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7456         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7457         (umulhisi3_imm): Update predicates and constraint letters.
7458         (umulhisi3_reg): Declare instruction as commutative.
7459         * config/arc/constraints.md (J12, J16): New constraints.
7460         * config/arc/predicates.md (short_unsigned_const_operand): New
7461         predicate.
7462         (arc_short_operand): Likewise.
7463         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7464
7465 2016-04-29  Richard Biener  <rguenther@suse.de>
7466
7467         PR tree-optimization/13962
7468         PR tree-optimization/65686
7469         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7470         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7471         using PTA to compare pointers.
7472         * match.pd: Add pattern for pointer equality compare simplification
7473         using ptrs_compare_unequal.
7474
7475 2016-04-29  Richard Biener  <rguenther@suse.de>
7476
7477         * stor-layout.c (layout_type): Do not build a pointer-to-element
7478         type for arrays.
7479
7480 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7481
7482         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7483         Use SWI mode iterator.  Use general_reg_operand predicate.
7484         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7485         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7486         predicates.
7487
7488 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7489
7490         PR middle-end/70843
7491         * fold-const.c (operand_equal_p): Don't verify hash value equality
7492         if arg0 == arg1.
7493         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7494         and OMP_CLAUSE.
7495
7496 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7497
7498         PR target/70858
7499         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7500         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7501         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7502         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7503         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7504
7505 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7506
7507         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7508         to info.  Don't initialize separate fields to 0.  Clean up
7509         formatting a bit.
7510
7511 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7512
7513         * config/i386/i386.md (peephole2s for operations with memory inputs):
7514         Use SWI mode iterator.
7515         (peephole2s for operations with memory outputs): Ditto.
7516         Do not check for stack checking probe.
7517
7518         (probe_stack): Remove expander.
7519
7520 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7521             Andrew Burgess  <andrew.burgess@embecosm.com>
7522
7523         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7524         operands as 32-bits.
7525
7526 2016-04-28  Jason Merrill  <jason@redhat.com>
7527
7528         * gdbinit.in: Skip line-map.h.
7529
7530 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7531             Andrew Burgess  <andrew.burgess@embecosm.com>
7532
7533         * config/arc/arc.c (arc_conditional_register_usage): Take
7534         TARGET_RRQ_CLASS into account.
7535         (arc_print_operand): Support printing 'p' and 's' operands.
7536         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7537         as 0.
7538         (TARGET_RRQ_CLASS): Define.
7539         (IS_POWEROF2_OR_0_P): Define.
7540         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7541         alternatives.
7542         (*tst_movb): New define_insn.
7543         (*tst): Avoid recognition if it could prevent '*tst_movb'
7544         combination; replace c/CnL with c/Chs alternative.
7545         (*tst_bitfield_tst): New define_insn.
7546         (*tst_bitfield_asr): New define_insn.
7547         (*tst_bitfield): New define_insn.
7548         (andsi3_i): Add Rrq variant.
7549         (extzv): New define_expand.
7550         (insv): New define_expand.
7551         (*insv_i): New define_insn.
7552         (*movb): New define_insn.
7553         (*movb_signed): New define_insn.
7554         (*movb_high): New define_insn.
7555         (*movb_high_signed): New define_insn.
7556         (*movb_high_signed + 1): New define_split pattern.
7557         (*mrgb): New define_insn.
7558         (*mrgb + 1): New define_peephole2 pattern.
7559         (*mrgb + 2): New define_peephole2 pattern.
7560         * config/arc/arc.opt (mbitops): New option for nps400, uses
7561         TARGET_NPS_BITOPS_DEFAULT.
7562         * config/arc/constraints.md (q): Make register class conditional.
7563         (Rrq): New register constraint.
7564         (Chs): New constraint.
7565         (Clo): New constraint.
7566         (Chi): New constraint.
7567         (Cbf): New constraint.
7568         (Cbn): New constraint.
7569         (C18): New constraint.
7570         (Cbi): New constraint.
7571
7572 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7573
7574         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7575         dst->popcount.
7576         (bitmap_intersection_of_preds): Ditto.
7577         (bitmap_union_of_succs): Ditto.
7578         (bitmap_union_of_preds): Ditto.
7579         * sbitmap.c (do_popcount): Delete.
7580         (BITMAP_DEBUGGING): Delete.
7581         (sbitmap_verify_popcount): Delete.
7582         (sbitmap_alloc): Don't initialize the popcount field.
7583         (sbitmap_alloc_with_popcount): Delete.
7584         (sbitmap_resize): Don't resize the popcount array.
7585         (sbitmap_vector_alloc): Don't initialize the popcount field.
7586         (bitmap_copy): Don't copy the popcount array.
7587         (bitmap_clear): Don't clear the popcount array.
7588         (bitmap_clear): Delete the popcount array handling.
7589         (bitmap_ior_and_compl): Delete the popcount assert.
7590         (bitmap_not): Ditto.
7591         (bitmap_and_compl): Ditto.
7592         (bitmap_and): Delete the popcount array handling.
7593         (bitmap_xor): Ditto.
7594         (bitmap_ior): Ditto.
7595         (bitmap_or_and): Delete the popcount assert.
7596         (bitmap_and_or): Ditto.
7597         (popcount_table): Delete.
7598         (sbitmap_elt_popcount): Delete.
7599         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7600         (bitmap_set_bit): Delete the popcount assert.
7601         (bitmap_clear_bit): Ditto.
7602         (sbitmap_free): Don't free the popcount array.
7603         (sbitmap_alloc_with_popcount): Delete declaration.
7604         (sbitmap_popcount): Ditto.
7605
7606 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7607             Andrew Burgess  <andrew.burgess@embecosm.com>
7608
7609         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7610         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7611         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7612         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7613         * config/arc/arc.opt (mcmem): New option.
7614         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7615         supply length for r/m alternative.
7616         (*extendqisi2_ac): Likewise.
7617         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7618         r/Uex alternative.
7619         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7620         (movhi_insn): Likewise.
7621         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7622         (*zero_extendqihi2_i): Add r/Ucm alternative.
7623         (*zero_extendqisi2_ac): Likewise.
7624         (*zero_extendhisi2_i): Likewise.
7625         * config/arc/constraints.md (Uex): New memory constraint.
7626         (Ucm): New define_constraint.
7627         * config/arc/predicates.md (long_immediate_loadstore_operand):
7628         Return 0 for MEM with cmem_address address.
7629         (cmem_address_0): New predicates.
7630         (cmem_address_1): Likewise.
7631         (cmem_address_2): Likewise.
7632         (cmem_address): Likewise.
7633
7634 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7635
7636         * config/rs6000/rs6000.c (machine_function): Rename
7637         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7638         (rs6000_stack_info): Adjust.
7639
7640 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7641             Andrew Burgess  <andrew.burgess@embecosm.com>
7642
7643         * config/arc/constraints.md (Usd): Convert to define_constraint.
7644         (Us<): Likewise.
7645         (Us>): Likewise.
7646
7647 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7648
7649         PR target/70821
7650         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7651         Add new peephole2 where the first insn is *mov<mode>_or instead of
7652         *mov<mode>_internal.
7653
7654 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7655
7656         * tracer.c (bb_seen): Make static.
7657
7658 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7659
7660         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7661         support, setup defaults.
7662         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7663         * config/arc/arc.c (arc_init): Add NPS400 support.
7664         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7665         (TARGET_ARC700): NPS400 is also an ARC700.
7666         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7667
7668 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7669
7670         PR target/70668
7671         * config/nds32/nds32.md (casesi): Don't access the operands array
7672         out of bounds.
7673
7674 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7675
7676         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7677         (or $-1,reg peephole2): Ditto.
7678         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7679
7680 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7681
7682         * doc/extend.texi (Common Function Attributes) [optimize]:
7683         Discourage use of the optimize attribute.
7684
7685 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7686
7687         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7688         special case builtin.
7689         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7690         ALTIVEC_BUILTIN_VEC_ADDE.
7691         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7692         support for ALTIVEC_BUILTIN_VEC_ADDE.
7693         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7694         for __builtin_vec_adde.
7695
7696 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7697
7698         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7699         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7700
7701 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7702
7703         PR testsuite/70595
7704         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7705         attributes): Document cilkplus_runtime.
7706
7707 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7708
7709         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7710         this function.  Call verify_expr on MEM_REFs and bases of other
7711         handled_components.
7712
7713 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7714
7715         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7716         for WORD_REGISTER_OPERATIONS to runtime check.
7717
7718 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7719
7720         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7721
7722 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7723
7724         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7725         big-endian compilation.
7726         * config/arc/arc.md (addf3): Likewise.
7727         (subdf3): Likewise.
7728         (muldf3): Likewise.
7729
7730 2016-04-28  Richard Biener  <rguenther@suse.de>
7731
7732         PR tree-optimization/70840
7733         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7734         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7735         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7736         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7737
7738 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7739
7740         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7741         and explain why in a comment.
7742
7743 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7744
7745         * config/arc/arc.md (cpu_facility): Add fpx variant.
7746         (subdf3): Prohibit use reverse sub when assist operations option
7747         is enabled.
7748         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7749         instructions only when FPX is enabled.
7750         * testsuite/gcc.target/arc/trsub.c: New test.
7751
7752 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7753
7754         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7755         mult_operator when calculating "type" attribute.
7756         (*fop_<mode>_1_i387): Ditto.
7757         (*fop_xf_1_i387): Ditto.
7758         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7759         Use std::swap to swap operands.  Use RTL expressions to generate
7760         converted pattern.
7761
7762 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7763             Joern Rennecke  <joern.rennecke@embecosm.com>
7764
7765         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7766         declaration.
7767         (emit_pic_move): Remove.
7768         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7769         * config/arc/arc.c (emit_pic_move): Removed.
7770         (TARGET_HAVE_TLS): Define.
7771         (arc_conditional_register_usage): Test for arc_tp_regno.
7772         (arc_print_operand, arc_print_operand_address): Handle TLS
7773         unspecs.
7774         (arc_needs_pcl_p): New function.
7775         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7776         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7777         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7778         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7779         (arc_legitimize_tls_address): Likewise.
7780         (DTPOFF_ZERO_SYM): Define.
7781         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7782         (arc_output_pic_addr_const): Print TLS unspecs.
7783         (prepare_pic_move): New function, replaces emit_pic_move.
7784         (arc_legitimate_constant_p): Handle TLS unspecs.
7785         (arc_legitimate_address_p): Likewise.
7786         (arc_rewrite_small_data_p): Use assert for TLS constants.
7787         (prepare_move_operands): Use prepare_pic_move.
7788         (arc_legitimize_address): Legitimize tls addresses.
7789         (arc_epilogue_uses): Check for arc_tp_regno.
7790         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7791         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7792         Define.
7793         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7794         Likewise.
7795         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7796         %(arc_tls_extra_start_spec).
7797         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7798         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7799         (EH_USES): Define.
7800         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7801         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7802         (UNSPEC_TLS_OFF): Add.
7803         (R10_REG): Define.
7804         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7805         (get_thread_pointersi): New patterns.
7806         * config/arc/arc.opt (mtp-regno): New option.
7807         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7808         (move_dest_operand): Likewise.
7809         * configure: Regenerate.
7810         * configure.ac: Add arc*-*-* case to test for tls.
7811         * doc/invoke.texi (ARC options): Document mtp-regno.
7812
7813 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7814
7815         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7816         the new ARC HS SIMD instructions.
7817         (arc_preferred_simd_mode): New function.
7818         (arc_autovectorize_vector_sizes): Likewise.
7819         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7820         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7821         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7822         (arc_init_builtins): Add new SIMD builtin types.
7823         (arc_split_move): Handle 64 bit vector moves.
7824         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7825         (TARGET_PLUS_QMACW): Define.
7826         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7827         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7828         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7829         (VSUBADD4H): New builtins.
7830         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7831         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7832
7833 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7834             Matthias Klose  <doko@debian.org>
7835
7836         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7837
7838 2016-04-28  Richard Biener  <rguenther@suse.de>
7839
7840         PR middle-end/70777
7841         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7842         canonicalization.
7843
7844 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7845
7846         * common/config/sh/sh-common.c: Remove SH5 support.
7847         * config/sh/constraints.md: Likewise.
7848         * config/sh/config/sh/elf.h: Likewise.
7849         * config/sh/linux.h: Likewise.
7850         * config/sh/netbsd-elf.h: Likewise.
7851         * config/sh/predicates.md: Likewise.
7852         * config/sh/sh-c.c: Likewise.
7853         * config/sh/sh-protos.h: Likewise.
7854         * config/sh/sh.c: Likewise.
7855         * config/sh/sh.h: Likewise.
7856         * config/sh/sh.md: Likewise.
7857         * config/sh/sh.opt: Likewise.
7858         * config/sh/sync.md: Likewise.
7859         * config/sh/sh64.h: Delete.
7860         * config/sh/shmedia.h: Likewise.
7861         * config/sh/shmedia.md: Likewise.
7862         * config/sh/sshmedia.h: Likewise.
7863         * config/sh/t-netbsd-sh5-64: Likewise.
7864         * config/sh/t-sh64: Likewise.
7865         * config/sh/ushmedia.h: Likewise.
7866
7867 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7868
7869         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7870         general_reg_operand instead of register_operand predicate.
7871
7872 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7873
7874         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7875
7876 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7877
7878         * match.pd (A - B > A, A + B < A): New transformations.
7879
7880 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7881
7882         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7883         which defaults to true.  Emit an outer pair of parentheses only if
7884         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7885         don't emit parentheses for the right-hand operand.
7886
7887 2016-04-27  Jeff Law  <law@redhat.com>
7888
7889         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7890
7891 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7892
7893         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7894         (altivec_lvx_<mode>_internal): Document.
7895         (altivec_lvx_<mode>_2op): New define_insn.
7896         (altivec_lvx_<mode>_1op): Likewise.
7897         (altivec_lvx_<mode>_2op_si): Likewise.
7898         (altivec_lvx_<mode>_1op_si): Likewise.
7899         (altivec_stvx_<mode>): Remove.
7900         (altivec_stvx_<mode>_internal): Document.
7901         (altivec_stvx_<mode>_2op): New define_insn.
7902         (altivec_stvx_<mode>_1op): Likewise.
7903         (altivec_stvx_<mode>_2op_si): Likewise.
7904         (altivec_stvx_<mode>_1op_si): Likewise.
7905         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7906         Expand vec_ld and vec_st during parsing.
7907         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7908         changes.
7909         (altivec_expand_stvx_be): Likewise.
7910         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7911         address-masking behavior in RTL.
7912         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7913         address-masking behavior in RTL.
7914         (altivec_expand_builtin): Change builtin code arguments for calls
7915         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7916         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7917         presence of lvx/stvx patterns.
7918         (alignment_with_canonical_addr): New function.
7919         (alignment_mask): Likewise.
7920         (find_alignment_op): Likewise.
7921         (recombine_lvx_pattern): Likewise.
7922         (recombine_stvx_pattern): Likewise.
7923         (recombine_lvx_stvx_patterns): Likewise.
7924         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7925         stvx patterns from expand.
7926         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7927         expansions.
7928         (vector_altivec_store_<mode>): Likewise.
7929
7930 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7931
7932         * config/aarch64/aarch64.md
7933         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7934         remove the "fp" attributes.
7935         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7936         add the "simd" attributes.
7937         (*movdf_aarch64): Likewise.
7938         (*movtf_aarch64): Remove the "fp" attributes.
7939         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7940         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7941
7942 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7943
7944         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7945         rtx to rtx_code_label *.
7946         * rtl.h (maybe_set_first_label_num): Likewise.
7947
7948 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7949
7950         * df-core.c (df_add_problem): Make the problem param be const.
7951         (df_remove_problem): Make local "problem" be const.
7952         * df-problems.c (problem_RD): Make const.
7953         (problem_LR): Likewise.
7954         (problem_LIVE): Likewise.
7955         (problem_MIR): Likewise.
7956         (problem_CHAIN): Likewise.
7957         (problem_WORD_LR): Likewise.
7958         (problem_NOTE): Likewise.
7959         (problem_MD): Likewise.
7960         * df-scan.c (problem_SCAN): Likewise.
7961         * df.h (struct df_problem): Make field "dependent_problem" be
7962         const.
7963         (struct dataflow): Likewise for field "problem".
7964         (df_add_problem): Make param const.
7965
7966 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7967
7968         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7969         inter-unit moves to/from vector registers are enabled.  Do not disable
7970         for TARGET_MMX.
7971
7972 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7973
7974         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7975         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7976         #define to...
7977         (enum df_problem_id): ...this new enum.
7978         (struct df_problem): Convert field "id" from "int" to
7979         enum df_problem_id.
7980
7981 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7982
7983         * rtl.def: Update comment for "things in the instruction chain" to
7984         reflect the removal of the leading "i" field for INSN_UID in
7985         r210360.  Fix bogus apostrophe.
7986
7987 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7988
7989         * config/i386/i386.md
7990         (lea arith with mem operand + setcc peephole2): Set operator mode.
7991
7992 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7993
7994         PR target/70155
7995         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7996         (dimode_scalar_to_vector_candidate_p): This.
7997         (timode_scalar_to_vector_candidate_p): New function.
7998         (scalar_to_vector_candidate_p): Likewise.
7999         (timode_check_non_convertible_regs): Likewise.
8000         (timode_remove_non_convertible_regs): Likewise.
8001         (remove_non_convertible_regs): Likewise.
8002         (remove_non_convertible_regs): Renamed to ...
8003         (dimode_remove_non_convertible_regs): This.
8004         (scalar_chain::~scalar_chain): Make it virtual.
8005         (scalar_chain::compute_convert_gain): Make it pure virtual.
8006         (scalar_chain::mark_dual_mode_def): Likewise.
8007         (scalar_chain::convert_insn): Likewise.
8008         (scalar_chain::convert_registers): Likewise.
8009         (scalar_chain::add_to_queue): Make it protected.
8010         (scalar_chain::emit_conversion_insns): Likewise.
8011         (scalar_chain::replace_with_subreg): Likewise.
8012         (scalar_chain::replace_with_subreg_in_insn): Likewise.
8013         (scalar_chain::convert_op): Likewise.
8014         (scalar_chain::convert_reg): Likewise.
8015         (scalar_chain::make_vector_copies): Likewise.
8016         (scalar_chain::convert_registers): New pure virtual function.
8017         (class dimode_scalar_chain): New class.
8018         (class timode_scalar_chain): Likewise.
8019         (scalar_chain::mark_dual_mode_def): Renamed to ...
8020         (dimode_scalar_chain::mark_dual_mode_def): This.
8021         (timode_scalar_chain::mark_dual_mode_def): New function.
8022         (timode_scalar_chain::convert_insn): Likewise.
8023         (dimode_scalar_chain::convert_registers): Likewise.
8024         (scalar_chain::compute_convert_gain): Renamed to ...
8025         (dimode_scalar_chain::compute_convert_gain): This.
8026         (scalar_chain::replace_with_subreg): Renamed to ...
8027         (dimode_scalar_chain::replace_with_subreg): This.
8028         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
8029         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
8030         (scalar_chain::make_vector_copies): Renamed to ...
8031         (dimode_scalar_chain::make_vector_copies): This.
8032         (scalar_chain::convert_reg): Renamed to ...
8033         (dimode_scalar_chain::convert_reg ): This.
8034         (scalar_chain::convert_op): Renamed to ...
8035         (dimode_scalar_chain::convert_op): This.
8036         (scalar_chain::convert_insn): Renamed to ...
8037         (dimode_scalar_chain::convert_insn): This.
8038         (scalar_chain::convert): Call convert_registers.
8039         (convert_scalars_to_vector): Change to scalar_chain pointer to
8040         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
8041         in 32-bit mode.  Delete scalar_chain pointer.  Call
8042         free_dominance_info in 64-bit mode.
8043         (pass_stv::gate): Remove TARGET_64BIT check.
8044         (ix86_option_override): Put the 64-bit STV pass before the CSE
8045         pass.
8046
8047 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
8048
8049         * dwarf2out.h (struct dw_loc_descr_node): Remove the
8050         dw_loc_frame_offset field.
8051         * dwarf2out.c (new_loc_descr): Likewise.
8052         (resolve_args_picking_1): Turn the VISITED hash set into a
8053         FRAME_OFFSET hash map. Use it to associate a frame offset to
8054         visited nodes. Remove uses of the CHECKING_P macro.
8055         (resolve_args_picking): Update call to resolve_args_picking_1.
8056
8057 2016-04-27  Martin Liska  <mliska@suse.cz>
8058
8059         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
8060         (free_loop_data): Release vuses of groups.
8061
8062 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
8063
8064         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
8065         instead of redundant use_id and boolean have_use_for.
8066         (struct iv_use): Change sub_id into group_id.  Remove field next.
8067         Move fields: related_cands, n_map_members, cost_map and selected
8068         to ...
8069         (struct iv_group): ... here.  New structure.
8070         (struct iv_common_cand): Use structure declaration directly.
8071         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
8072         (MAX_CONSIDERED_USES): Rename macro to ...
8073         (MAX_CONSIDERED_GROUPS): ... here.
8074         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
8075         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
8076         (dump_uses): Rename to ...
8077         (dump_groups): ... here.  Update all uses.
8078         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
8079         (find_induction_variables): Refactor format of dump information.
8080         (record_sub_use): Delete.
8081         (record_use): Update all uses.
8082         (record_group): New function.
8083         (record_group_use, find_interesting_uses_op): Call above functions.
8084         Update all uses.
8085         (find_interesting_uses_cond): Ditto.
8086         (group_compare_offset): New function.
8087         (split_all_small_groups): Rename to ...
8088         (split_small_address_groups_p): ... here.  Update all uses.
8089         (split_address_groups):  Update all uses.
8090         (find_interesting_uses): Refactor format of dump information.
8091         (add_candidate_1): Update all uses.  Remove redundant check on iv,
8092         base and step.
8093         (add_candidate, record_common_cand): Remove redundant assert.
8094         (add_iv_candidate_for_biv): Update use.
8095         (add_iv_candidate_derived_from_uses): Update all uses.
8096         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
8097         (alloc_use_cost_map): Ditto.
8098         (set_use_iv_cost, get_use_iv_cost): Rename to ...
8099         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
8100         (determine_use_iv_cost_generic): Ditto.
8101         (determine_group_iv_cost_generic): Ditto.
8102         (determine_use_iv_cost_address): Ditto.
8103         (determine_group_iv_cost_address): Ditto.
8104         (determine_use_iv_cost_condition): Ditto.
8105         (determine_group_iv_cost_cond): Ditto.
8106         (determine_use_iv_cost): Ditto.
8107         (determine_group_iv_cost): Ditto.
8108         (set_autoinc_for_original_candidates): Update all uses.
8109         (find_iv_candidates): Update all uses.  Refactor dump information.
8110         (determine_use_iv_costs): Ditto.
8111         (determine_iv_costs): Ditto.
8112         (iv_ca_cand_for_use): Rename to ...
8113         (iv_ca_cand_for_group): ... here.  Update all uses.
8114         (iv_ca_add_use, iv_ca_add_group): Ditto.
8115         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
8116         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
8117         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
8118         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
8119         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
8120         (create_new_iv, adjust_iv_update_pos): Ditto.
8121         (rewrite_use_address): Delete.
8122         (rewrite_use_address_1): Rename to ...
8123         (rewrite_use_address): ... here.
8124         (rewrite_use_compare): Update all uses.
8125         (rewrite_use): Delete.
8126         (rewrite_uses): Rename to ...
8127         (rewrite_groups): ... here.  Update all uses.
8128         (remove_unused_ivs, free_loop_data): Update all uses.
8129         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
8130
8131 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8132
8133         * rtlanal.c (nonzero_bits1): Convert preprocessor check
8134         for WORD_REGISTER_OPERATIONS to runtime check.
8135
8136 2016-04-27  Richard Biener  <rguenther@suse.de>
8137
8138         PR ipa/70760
8139         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
8140         aggregate_value_p to determine if a function result is
8141         returned by reference.
8142         (ipa_pta_execute): Functions having their address taken are
8143         not automatically nonlocal.
8144
8145 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8146
8147         PR sanitizer/70683
8148         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
8149         * fold-const.c (operand_equal_p): If flag_checking and
8150         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
8151         and if it returns non-zero, assert iterative_hash_expr on both
8152         args is the same.
8153
8154 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8155
8156         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
8157
8158 2016-04-27  Nick Clifton  <nickc@redhat.com>
8159
8160         PR middle-end/49889
8161         * varasm.c (merge_weak): Generate an error if an attempt is made
8162         to convert a non-weak static function into a weak, public function.
8163
8164 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8165
8166         * params.def (MAX_PARTITION_SIZE): New param.
8167         * doc/invoke.texi: Document lto-max-partition.
8168
8169 2016-04-27  Richard Biener  <rguenther@suse.de>
8170
8171         PR ipa/70785
8172         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
8173         function cummulating used_from_other_partition, externally_visible
8174         and force_output from aliases.
8175         (refered_from_nonlocal_var): Likewise.
8176         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
8177         node flags properly.
8178
8179 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
8180
8181         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
8182         (-Wmemset-elt-size): New item.
8183
8184 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
8185
8186         PR ada/70759
8187         * stor-layout.h (internal_reference_types): Delete.
8188         * stor-layout.c (reference_types_internal): Likewise.
8189         (internal_reference_types): Likewise.
8190         (layout_type) <REFERENCE_TYPE>: Adjust.
8191
8192 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
8193
8194         PR sanitizer/70683
8195         * tree.h (inchash::add_expr): Add FLAGS argument.
8196         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
8197         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
8198         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
8199         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
8200         if swap_tree_comparison (code) is smaller than code, hash that
8201         and arguments in the other order.  Hash CONVERT_EXPR the same
8202         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
8203         of ADDR_EXPR of decl as the decl itself.  Add or remove
8204         OEP_ADDRESS_OF from recursive flags as needed.  For
8205         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
8206         operands commutatively and only the third one normally.
8207         For internal CALL_EXPR hash in CALL_EXPR_IFN.
8208
8209 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8210
8211         * config/rtems.h (LIB_SPEC): Add -latomic.
8212
8213 2016-04-27  Joel Sherrill  <joel@rtems.org>
8214
8215         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
8216         xilink.ld and flags not relevant to RTEMS.
8217
8218 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
8219
8220         * toplev.c (backend_init_target): Avoid calling init_reload when using
8221         LRA.
8222
8223 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8224
8225         * reorg.c (try_merge_delay_insns): Declare i and j inside the
8226         for loops rather than one for the whole function.
8227
8228 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8229
8230         * match.pd (X + CST CMP X): New transformation.
8231
8232 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
8233
8234         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
8235         * fold-const.c (fold_binary_loc): Remove 2 transformations
8236         superseded by match.pd.
8237         * match.pd (x+x -> x*2): Generalize to integers.
8238
8239 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
8240
8241         * config/i386/i386.md (operation on memory peephole): Duplicate an
8242         existing peephole and adapt it to match lea rather than an operation
8243         that clobbers CC.
8244
8245         PR rtl-optimization/57193
8246         * opts.c (default_options_table): Add OPT_frename_registers at -O2
8247         and above.
8248         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
8249
8250 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8251
8252         * tree-if-conv.c (any_pred_load_store): New static variable.
8253         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
8254         any_pred_load_store instead of and_mask_load_store.
8255         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
8256         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
8257         (combine_blocks, tree_if_conversion): Ditto.
8258
8259 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
8260
8261         PR tree-optimization/70771
8262         PR tree-optimization/70775
8263         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
8264         virtual PHI nodes.  Delete parameter.
8265         (if_convertible_loop_p_1): Delete argument to above function.
8266         (predicate_all_scalar_phis): Delete code handling single-argument
8267         PHIs.
8268         (tree_if_conversion): Mark and update virtual SSA.
8269
8270 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8271
8272         PR target/61821
8273         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
8274         (x86_elf_aligned_common): Rename to ...
8275         (x86_elf_aligned_decl_common): ... this.
8276         Add decl arg.  Switch to .lbss for largecomm object.  Use
8277         LARGECOMM_SECTION_ASM_OP.
8278         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
8279         renaming.
8280         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
8281         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
8282         Pass new decl arg.
8283         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8284         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
8285
8286 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8287
8288         PR target/59407
8289         * config/i386/i386.c (SECTION_LARGE): Define.
8290         (x86_64_elf_select_section): Set it for large data/bss sections.
8291         Only clear SECTION_WRITE for .lrodata.
8292         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
8293         data/bss sections.
8294         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
8295         * varasm.c (default_elf_asm_named_section): Grow flagchars.
8296         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
8297         SECTION_MACH_DEP.
8298         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
8299         * doc/tm.texi: Regenerate.
8300
8301 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
8302
8303         PR bootstrap/70704
8304         * configure.ac (--enable-checking): Document extra flag, for
8305         non-release builds default to --enable-checking=yes,extra.
8306         If misc checking and extra checking, define CHECKING_P to 2 instead
8307         of 1.
8308         * common.opt (fchecking=): Add.
8309         * doc/invoke.texi (-fchecking=): Document.
8310         * doc/install.texi: Document --enable-checking changes.
8311         * configure: Regenerated.
8312         * config.in: Regenerated.
8313
8314 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8315
8316         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
8317         attribute instead of which_alternative.
8318         * config/i386/sse.md (*mov<mode>_internal): Ditto.
8319         Use EXT_REX_SSE_REG_P where appropriate.
8320
8321 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8322
8323         * config/i386/predicates.md (const0_operand): Do not match
8324         const_wide_int code.
8325         (const1_operand): Ditto.
8326
8327 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8328
8329         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
8330         for SSE constm1 operands and TARGET_AVX512VL.
8331         (*movti_internal): Ditto.
8332         (*mov<mode>_or): Use constm1_operand predicate.
8333         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
8334         for SSE vector_all_ones operands and TARGET_AVX512VL.
8335         * config/i386/predicates.md (constm1_operand): New predicate.
8336         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
8337         emission of constant -1 load.
8338
8339 2016-04-25  Jason Merrill  <jason@redhat.com>
8340
8341         * gdbinit.in: Skip is-a.h.
8342
8343         * attribs.c (register_scoped_attributes): Fix logic.
8344         * attribs.h: Declare register_scoped_attributes.
8345
8346 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8347
8348         * config/rs6000/rs6000-builtin.def: Correct pasto error for
8349         stxvd2x and stxvw4x built-in functions.
8350
8351 2016-04-25  DJ Delorie  <dj@redhat.com>
8352
8353         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
8354         (ashrhi3): Likewise.
8355         (lshrhi3): Likewise.
8356
8357 2016-04-25  Richard Biener  <rguenther@suse.de>
8358
8359         PR tree-optimization/70780
8360         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
8361         wasn't visited yet.
8362         (compute_antic): Mark blocks with abnormal preds as visited as
8363         they have a final empty antic-in solution already.
8364
8365 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8366
8367         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8368
8369 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8370
8371         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8372         mode is VQI to improve mixed mode vectorization.
8373         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8374         define_insn to match low half of signed vaddw.
8375         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
8376         define_insn to match high half of signed vaddw.
8377         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
8378         define_insn to match low half of unsigned vaddw.
8379         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
8380         define_insn to match high half of unsigned vaddw.
8381         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
8382         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8383         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
8384         for new function.
8385         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8386         * config/arm/predicates.md (vect_par_constant_high): Support
8387         big endian and simplify by calling
8388         arm_simd_check_vect_par_cnst_half
8389         (vect_par_constant_low): Likewise.
8390
8391 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8392
8393         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
8394         predicate for operand 2.
8395
8396 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
8397             H.J. Lu  <hongjiu.lu@intel.com>
8398
8399         * config/i386/i386-protos.h (standard_sse_constant_p): Add
8400         machine_mode argument.
8401         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
8402         constm1_rtx operands.  For VOIDmode constants, get mode from
8403         pred_mode.  Check mode size if the mode is supported by ABI.
8404         (standard_sse_constant_opcode): Do not use standard_constant_p.
8405         Strictly check ABI support for all-ones operands.
8406         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
8407         immediates. Update calls to standard_sse_constant_p.
8408         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
8409         (ix86_rtx_costs): Ditto.
8410         * config/i386/i386.md (*movxi_internal_avx512f): Use
8411         nonimmediate_or_sse_const_operand instead of vector_move_operand.
8412         Use (v,BC) alternative instead of (v,C). Use register_operand
8413         checks instead of MEM_P.
8414         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
8415         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
8416         isa attribute.  Use register_operand checks instead of MEM_P.
8417         (*movti_internal): Use nonimmediate_or_sse_const_operand for
8418         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
8419         alternative and corresponding sse2 isa attribute.
8420         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
8421         to standard_sse_constant_p.
8422         (FP constant splitters): Ditto.
8423         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
8424         (C): Ditto.
8425         * config/i386/predicates.md (constm1_operand): Remove.
8426         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
8427         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
8428         vector_all_ones_operand instead of constm1_operand.
8429
8430 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8431
8432         * print-rtl.c (print_rtx_insn_vec): New function.
8433         * print-rtl.h: New prototype.
8434         * store-motion.c (struct st_expr): Make avail_stores a vector.
8435         (st_expr_entry): Adjust.
8436         (free_st_expr_entry): Likewise.
8437         (print_store_motion_mems): Likewise.
8438         (find_moveable_store): Likewise.
8439         (compute_store_table): Likewise.
8440         (delete_store): Likewise.
8441         (build_store_vectors): Likewise.
8442
8443 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8444
8445         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
8446
8447 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8448
8449         * vec.h (vec_safe_contains): New function.
8450         (vec::contains): Likewise.
8451         (vec::begin): Likewise.
8452         (vec::end): Likewise.
8453
8454 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
8455
8456         PR sanitizer/70712
8457         * cfgexpand.c (expand_stack_vars): Fix typo.
8458
8459 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8460
8461         * system.h (list, map, set, vector): Include conditionally.
8462         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8463         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8464         * ipa-icf.c (INCLUDE_LIST): Define.
8465         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8466         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8467         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8468         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8469         * cp/logic.cc (INCLUDE_LIST): Define.
8470         * fortran/trans-common.c (INCLUDE_MAP): Define.
8471
8472 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8473
8474         * auto-profile.c: Remove <string.h> include.
8475         * ipa-icf-gimple.c: Remove <list> include.
8476         * diagnostic.c: Remove <new> include.
8477         * genmatch.c: Likewise.
8478         * pretty-print.c: Likewise.
8479         * toplev.c: Likewise
8480         * c/c-objc-common.c: Likewise.
8481         * cp/error.c: Likewise.
8482         * fortran/error.c: Likewise.
8483
8484 2016-04-22  Richard Biener  <rguenther@suse.de>
8485
8486         * lto-streamer-in.c (input_ssa_names): Do not allocate
8487         GIMPLE_NOP for all SSA names.
8488         * lto-streamer-out.c (output_ssa_names): Do not output
8489         SSA names that should have been released.
8490
8491 2016-04-22  Richard Biener  <rguenther@suse.de>
8492
8493         PR tree-optimization/70740
8494         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8495         VDEF.
8496
8497 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8498
8499         PR target/70750
8500         * config/i386/predicates.md (call_insn_operand): Replace
8501         sibcall_memory_operand with memory_operand.
8502
8503 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8504
8505         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8506         has_single_use() tests.
8507         (register_edge_assert_for_1): Likewise.
8508         (find_assert_locations_1): Check the liveness bitmap instead of
8509         checking has_single_use().
8510
8511 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8512
8513         PR target/70728
8514         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8515         Extract AVX-512BW constraint from AVX.
8516
8517 2016-04-21  Richard Biener  <rguenther@suse.de>
8518
8519         PR tree-optimization/70725
8520         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8521         for phi_convertible_by_degenerating_args.
8522         (predicate_all_scalar_phis): Handle single-argument PHIs.
8523
8524 2016-04-21  Richard Biener  <rguenther@suse.de>
8525
8526         PR middle-end/70747
8527         * fold-const.c (fold_comparison): Return properly typed
8528         constant boolean.
8529
8530 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8531
8532         PR tree-optimization/70715
8533         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8534         after expanding BASE using expand_simple_operations.
8535
8536 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8537
8538         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8539         New transformations.
8540
8541 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8542
8543         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8544
8545 2016-04-20  Jan Hubicka  <jh@suse.cz>
8546
8547         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8548         ultiimate_alias_target.
8549         (update_callee_keys): Likewise.
8550         (lookup_recursive_calls): Likewise.
8551         (speculation_useful_p): Likewise.
8552
8553 2016-04-20  Jan Hubicka  <jh@suse.cz>
8554
8555         PR ipa/70018
8556         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8557         (set_nothrow_flag_1): ... this; handle interposition correctly;
8558         recurse on aliases and thunks.
8559         (cgraph_node::set_nothrow_flag): New.
8560         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8561         functions compiled with non-call exceptions that binds to current
8562         def.
8563         (propagate_nothrow): Be safe WRT interposition.
8564         * cgraph.h (set_nothrow_flag): Update prototype.
8565
8566 2016-04-18  Jan Hubicka  <jh@suse.cz>
8567
8568         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8569         max_loop_iterations_int.
8570         (tree_unswitch_outer_loop): Likewise.
8571
8572 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8573
8574         PR tree-optimization/69489
8575         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8576         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8577         Revise dump message.
8578         (if_convertible_bb_p): Remove check on edge count of basic block's
8579         predecessors.
8580
8581 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8582
8583         PR tree-optimization/56625
8584         PR tree-optimization/69489
8585         * tree-data-ref.h (DR_INNERMOST): New macro.
8586         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8587         hashing struct innermost_loop_behavior.
8588         (ref_DR_map): Remove.
8589         (innermost_DR_map): New map.
8590         (baseref_DR_map): Revise comment.
8591         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8592         to innermost_DR_map accroding to its innermost loop behavior.
8593         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8594         to its innermost loop behavior.
8595         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8596         Add initialization for innermost_DR_map.  Record memory reference
8597         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8598         have innermost loop behavior.
8599         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8600         innermost_DR_map.
8601
8602 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8603
8604         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8605         *lea_general_1.  Use explicit SWI12 mode interator.
8606         (*lea<mode>_general_2): Rename from *lea_general_2.
8607         Use explicit SWI12 mode interator.
8608         (*lea<mode>_general_3): Rename from *lea_general_3.
8609         Use explicit SWI12 mode interator.
8610         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8611         Use explicit SWI12 mode interator.
8612         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8613         Use explicit SWI48 mode interator.
8614
8615 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8616
8617         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8618         Short-cut unaligned load and store cases.  Handle all integer
8619         vector modes.
8620         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8621         and store cases.  Call ix86_avx256_split_vector_move_misalign
8622         directly without checking mode class.
8623
8624 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8625             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8626
8627         PR target/64971
8628         * config/aarch64/aarch64.md (sibcall): Force call
8629         address to be DImode for ILP32.
8630         (sibcall_value): Likewise.
8631
8632 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8633
8634         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8635
8636 2016-04-20  Richard Biener  <rguenther@suse.de>
8637
8638         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8639         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8640         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8641         (maybe_push_res_to_seq): Adjust.
8642         * gimple-fold.c (maybe_build_generic_op): Likewise.
8643
8644 2016-04-20  Marek Polacek  <polacek@redhat.com>
8645
8646         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8647         rather than true.
8648
8649 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8650
8651         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8652         use kmovw to support AVX512F target.
8653
8654 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8655
8656         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8657
8658 2016-04-20  Marek Polacek  <polacek@redhat.com>
8659
8660         PR tree-optimization/70725
8661         * tree-if-conv.c (is_false_predicate): New function.
8662         (predicate_mem_writes): Use it.
8663
8664 2016-04-20  Richard Biener  <rguenther@suse.de>
8665
8666         PR tree-optimization/70726
8667         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8668         shift amounts from a pattern stmt operand.
8669
8670 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8671
8672         PR target/70674
8673         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8674         stack_restore_from_fpr pattern when restoring r15.
8675         (s390_optimize_prologue): Strip away the memory barrier in the
8676         parallel when trying to get rid of restore insns.
8677         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8678         definition for loading the stack pointer from an FPR.  Compared to
8679         the normal move insn this pattern includes a full memory barrier.
8680
8681 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8682
8683         PR middle-end/70680
8684         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8685         implicitly linear or lastprivate iterator on the outer context.
8686
8687 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8688
8689         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8690         alignment check.
8691         * config/i386/i386.md (ssememalign): Removed.
8692         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8693
8694 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8695
8696         PR target/69201
8697         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8698         const short * to __builtin_ia32_loaddquhi512_mask.
8699         (_mm512_maskz_loadu_epi16): Likewise.
8700         (_mm512_mask_storeu_epi16): Pass short * to
8701         __builtin_ia32_storedquhi512_mask.
8702         (_mm512_mask_loadu_epi8): Pass const char * to
8703         __builtin_ia32_loaddquqi512_mask.
8704         (_mm512_maskz_loadu_epi8): Likewise.
8705         (_mm512_mask_storeu_epi8): Pass char * to
8706         __builtin_ia32_storedquqi512_mask.
8707         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8708         const double * to __builtin_ia32_loadupd512_mask.
8709         (_mm512_mask_loadu_pd): Likewise.
8710         (_mm512_maskz_loadu_pd): Likewise.
8711         (_mm512_storeu_pd): Pass double * to
8712         __builtin_ia32_storeupd512_mask.
8713         (_mm512_mask_storeu_pd): Likewise.
8714         (_mm512_loadu_ps): Pass const float * to
8715         __builtin_ia32_loadups512_mask.
8716         (_mm512_mask_loadu_ps): Likewise.
8717         (_mm512_maskz_loadu_ps): Likewise.
8718         (_mm512_storeu_ps): Pass float * to
8719         __builtin_ia32_storeups512_mask.
8720         (_mm512_mask_storeu_ps): Likewise.
8721         (_mm512_mask_loadu_epi64): Pass const long long * to
8722         __builtin_ia32_loaddqudi512_mask.
8723         (_mm512_maskz_loadu_epi64): Likewise.
8724         (_mm512_mask_storeu_epi64): Pass long long *
8725         to __builtin_ia32_storedqudi512_mask.
8726         (_mm512_loadu_si512): Pass const int * to
8727         __builtin_ia32_loaddqusi512_mask.
8728         (_mm512_mask_loadu_epi32): Likewise.
8729         (_mm512_maskz_loadu_epi32): Likewise.
8730         (_mm512_storeu_si512): Pass int * to
8731         __builtin_ia32_storedqusi512_mask.
8732         (_mm512_mask_storeu_epi32): Likewise.
8733         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8734         char * to __builtin_ia32_storedquqi256_mask.
8735         (_mm_mask_storeu_epi8): Likewise.
8736         (_mm256_mask_loadu_epi16): Pass const short * to
8737         __builtin_ia32_loaddquhi256_mask.
8738         (_mm256_maskz_loadu_epi16): Likewise.
8739         (_mm_mask_loadu_epi16): Pass const short * to
8740         __builtin_ia32_loaddquhi128_mask.
8741         (_mm_maskz_loadu_epi16): Likewise.
8742         (_mm256_mask_loadu_epi8): Pass const char * to
8743         __builtin_ia32_loaddquqi256_mask.
8744         (_mm256_maskz_loadu_epi8): Likewise.
8745         (_mm_mask_loadu_epi8): Pass const char * to
8746         __builtin_ia32_loaddquqi128_mask.
8747         (_mm_maskz_loadu_epi8): Likewise.
8748         (_mm256_mask_storeu_epi16): Pass short * to.
8749         __builtin_ia32_storedquhi256_mask.
8750         (_mm_mask_storeu_epi16): Pass short * to.
8751         __builtin_ia32_storedquhi128_mask.
8752         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8753         const double * to __builtin_ia32_loadupd256_mask.
8754         (_mm256_maskz_loadu_pd): Likewise.
8755         (_mm_mask_loadu_pd): Pass onst double * to
8756         __builtin_ia32_loadupd128_mask.
8757         (_mm_maskz_loadu_pd): Likewise.
8758         (_mm256_mask_storeu_pd): Pass double * to
8759         __builtin_ia32_storeupd256_mask.
8760         (_mm_mask_storeu_pd): Pass double * to
8761         __builtin_ia32_storeupd128_mask.
8762         (_mm256_mask_loadu_ps): Pass const float * to
8763         __builtin_ia32_loadups256_mask.
8764         (_mm256_maskz_loadu_ps): Likewise.
8765         (_mm_mask_loadu_ps): Pass const float * to
8766         __builtin_ia32_loadups128_mask.
8767         (_mm_maskz_loadu_ps): Likewise.
8768         (_mm256_mask_storeu_ps): Pass float * to
8769         __builtin_ia32_storeups256_mask.
8770         (_mm_mask_storeu_ps): ass float * to
8771         __builtin_ia32_storeups128_mask.
8772         (_mm256_mask_loadu_epi64): Pass const long long * to
8773         __builtin_ia32_loaddqudi256_mask.
8774         (_mm256_maskz_loadu_epi64): Likewise.
8775         (_mm_mask_loadu_epi64): Pass const long long * to
8776         __builtin_ia32_loaddqudi128_mask.
8777         (_mm_maskz_loadu_epi64): Likewise.
8778         (_mm256_mask_storeu_epi64): Pass long long * to
8779         __builtin_ia32_storedqudi256_mask.
8780         (_mm_mask_storeu_epi64): Pass long long * to
8781         __builtin_ia32_storedqudi128_mask.
8782         (_mm256_mask_loadu_epi32): Pass const int * to
8783         __builtin_ia32_loaddqusi256_mask.
8784         (_mm256_maskz_loadu_epi32): Likewise.
8785         (_mm_mask_loadu_epi32): Pass const int * to
8786         __builtin_ia32_loaddqusi128_mask.
8787         (_mm_maskz_loadu_epi32): Likewise.
8788         (_mm256_mask_storeu_epi32): Pass int * to
8789         __builtin_ia32_storedqusi256_mask.
8790         (_mm_mask_storeu_epi32): Pass int * to
8791         __builtin_ia32_storedqusi128_mask.
8792         * config/i386/i386-builtin-types.def (PCSHORT): New.
8793         (PINT64): Likewise.
8794         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8795         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8796         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8797         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8798         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8799         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8800         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8801         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8802         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8803         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8804         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8805         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8806         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8807         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8808         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8809         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8810         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8811         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8812         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8813         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8814         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8815         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8816         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8817         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8818         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8819         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8820         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8821         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8822         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8823         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8824         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8825         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8826         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8827         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8828         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8829         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8830         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8831         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8832         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8833         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8834         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8835         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8836         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8837         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8838         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8839         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8840         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8841         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8842         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8843         use UNSPEC_STOREU.
8844         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8845         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8846         load nor store.
8847         (ix86_expand_vector_move_misalign): Likewise.
8848         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8849         to scalar function prototype for unaligned load/store builtins.
8850         (ix86_expand_special_args_builtin): Updated.
8851         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8852         (UNSPEC_STOREU): Likewise.
8853         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8854         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8855         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8856         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8857         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8858         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8859         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8860         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8861         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8862         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8863         (<avx512>_storedqu<mode>_mask): Likewise.
8864         (*sse4_2_pcmpestr_unaligned): Likewise.
8865         (*sse4_2_pcmpistr_unaligned): Likewise.
8866         (*mov<mode>_internal): Renamed to ...
8867         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8868         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8869         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8870         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8871
8872 2016-04-19  Richard Biener  <rguenther@suse.de>
8873
8874         PR tree-optimization/70171
8875         * tree-ssa-phiprop.c: Include stor-layout.h.
8876         (phiprop_insert_phi): Handle the aggregate copy case.
8877         (propagate_with_phi): Likewise.
8878
8879 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8880
8881         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8882         instead of simplify_gen_subreg (... , 0).
8883         (ix86_delegitimize_address): Ditto.
8884         (ix86_split_divmod): Ditto.
8885         (ix86_split_copysign_const): Ditto.
8886         (ix86_split_copysign_var): Ditto.
8887         (ix86_expand_args_builtin): Ditto.
8888         (ix86_expand_round_builtin): Ditto.
8889         (ix86_expand_special_args_builtin): Ditto.
8890         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8891         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8892         (udivmodqi4): Ditto.
8893         (absneg splitters): Ditto.
8894         (*jcc_bt<mode>_1): Ditto.
8895
8896 2016-04-19  Richard Biener  <rguenther@suse.de>
8897
8898         PR tree-optimization/70724
8899         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8900         restoring out from ...
8901         (free_scc_vn): ... here.
8902         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8903         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8904         tail merging.
8905         (pass_fre::execute): Restore SSA info.
8906
8907 2016-04-19  Richard Biener  <rguenther@suse.de>
8908
8909         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8910         * gimple-walk.c (walk_gimple_op): Initialize it.
8911         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8912         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8913         remapping SSA names of defs.
8914         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8915         adjustment.
8916
8917 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8918
8919         PR middle-end/70689
8920         * lra-constraints.c (equiv_substition_p): New.
8921         (process_alt_operands): Use it.
8922         (swap_operands): Swap it.
8923         (curr_insn_transform): Update it.
8924
8925 2016-04-18  Michael Matz  <matz@suse.de>
8926
8927         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8928         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8929         * tree-core.h (tree_type_common.align): Use bit-field.
8930         (tree_type_common.spare): New.
8931         (tree_decl_common.off_align): Make smaller.
8932         (tree_decl_common.align): Use bit-field.
8933
8934         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8935         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8936         (scan_sharing_clauses): Ditto.
8937         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8938         (omp_finish_file): Ditto.
8939         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8940         (layout_decl): Ditto.
8941         (relayout_decl): Ditto.
8942         (finalize_record_size): Use SET_TYPE_ALIGN.
8943         (finalize_type_size): Ditto.
8944         (finish_builtin_struct): Ditto.
8945         (layout_type): Ditto.
8946         (initialize_sizetypes): Ditto.
8947         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8948         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8949         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8950         (get_chain_field): Ditto.
8951         (get_trampoline_type): Ditto.
8952         (get_nl_goto_field): Ditto.
8953         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8954         SET_DECL_ALIGN.
8955         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8956         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8957         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8958         (build_qualified_type): Use SET_TYPE_ALIGN.
8959         (build_aligned_type, build_range_type_1): Ditto.
8960         (build_atomic_base): Ditto.
8961         (build_common_tree_nodes): Ditto.
8962         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8963         (expand_one_stack_var_at): Ditto.
8964         * coverage.c (build_var): Use SET_DECL_ALIGN.
8965         * except.c (init_eh): Ditto.
8966         * function.c (assign_parm_setup_block): Ditto.
8967         * symtab.c (increase_alignment_1): Ditto.
8968         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8969         * tree-vect-stmts.c (ensure_base_align): Ditto.
8970         * varasm.c (align_variable): Ditto.
8971         (assemble_variable): Ditto.
8972         (build_constant_desc): Ditto.
8973         (output_constant_def_contents): Ditto.
8974
8975         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8976         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8977         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8978         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8979         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8980
8981 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8982
8983         PR target/70708
8984         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8985         replace %vmovsd with "%vmovq".
8986         (vec_concatv2df): Likewise.
8987
8988 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8989
8990         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8991         (*vec_extractv2si_0): Ditto.
8992         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8993         (zero_extended_scalar_load_operand splitters): Ditto.
8994         (vec_extract splitters): Ditto.
8995         (*vec_extractv4si_0_zext): Ditto.
8996         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8997         and lowpart_subreg.
8998         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8999         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
9000         (*sse4_1_extractps): Use lowpart_subreg.
9001         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
9002
9003 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9004
9005         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
9006         gld requirements.
9007         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
9008         Mention Solaris 11 packaging changes.
9009         Update gas and gld requirements.
9010         Remove reference to pre-Solaris 10 bug.
9011         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
9012         systems and bugs.
9013         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
9014         with cc.
9015
9016 2016-04-17  Jan Hubicka  <jh@suse.cz>
9017
9018         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
9019         max_loop_iterations_int.
9020
9021 2016-04-18  Richard Biener  <rguenther@suse.de>
9022
9023         PR tree-optimization/43434
9024         * tree-ssa-structalias.c (struct vls_data): New.
9025         (visit_loadstore): Handle all pointer-based accesses.
9026         (compute_dependence_clique): Compute a bitmap of restrict tags
9027         assigned bases and pass it to visit_loadstore.
9028
9029 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
9030
9031         PR target/70711
9032         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
9033         armv8.1-a and armv8.1-a+crc.
9034
9035 2016-04-18  Richard Biener  <rguenther@suse.de>
9036
9037         PR tree-optimization/70701
9038         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
9039         references after translating through a memcpy.
9040
9041 2016-04-18  Richard Biener  <rguenther@suse.de>
9042
9043         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
9044         (compute_antic): ... here.  For partial antic use regular
9045         postorder and scrap iteration.
9046         (compute_partial_antic_aux): Remove unused return value.
9047         (init_pre): Do not allocate postorder.
9048         (fini_pre): Do not free postorder.
9049
9050 2016-04-18  Richard Biener  <rguenther@suse.de>
9051
9052         PR middle-end/37870
9053         * expmed.c (extract_bit_field_1): Remove broken case
9054         using a wider MODE_INT mode.
9055
9056 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
9057
9058         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
9059         unless compiling with at least GCC-4.8.
9060
9061 2016-04-17  Jan Hubicka  <jh@suse.cz>
9062
9063         PR bootstrap/70706
9064         * graphite.c (graphite_finalize): Update call to
9065         tree_estimate_probability.
9066         * predict.h (tree_estimate_probability): Update prototype.
9067
9068 2016-04-17  Jan Hubicka  <jh@suse.cz>
9069
9070         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
9071         (tree_estimate_probability): Likewise.
9072         (pass_profile::execute): Update.
9073         (report_predictor_hitrates): New function.
9074         * profile.c (compute_branch_probabilities): Use it.
9075         * predict.h (report_predictor_hitrates): Declare.
9076
9077 2016-04-17  Jan Hubicka  <jh@suse.cz>
9078
9079         PR ipa/70018
9080         * cgraph.h (cgraph_node::set_const_flag,
9081         cgraph_node::set_pure_flag): Update prototype to return bool;
9082         update comment.
9083         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
9084         of interposable symbol are interposable, too.
9085         (cgraph_set_const_flag_1): Rename to ...
9086         (set_const_flag_1): ... this one; change to self recursive function
9087         instead of call_for_symbol_thunks_and_aliases. Handle correctly
9088         clearnig the flag in all variants and also virtual thunks of const
9089         functions are pure; track if any change was done.
9090         (cgraph_node::set_const_flag): Update.
9091         (struct set_pure_flag_info): New struct.
9092         (cgraph_set_pure_flag_1): Rename to ...
9093         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
9094         rather than pointer encoded flags; track if any changes was done;
9095         handle correctly clearning flag and setting flag of aliases already
9096         declared const.
9097         (cgraph_node::set_pure_flag): Update.
9098         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
9099
9100 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9101
9102         PR other/70433
9103         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
9104         backslash in label.
9105
9106 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9107
9108         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
9109         '{}<> ' as escape-for-record.
9110
9111 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9112
9113         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
9114         structure.
9115
9116 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9117
9118         PR other/70185
9119         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
9120         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
9121         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
9122         * passes.c (finish_optimization_passes): Only call
9123         finish_graph_dump_file if dfi->graph_dump_initialized.
9124         (execute_function_dump, pass_init_dump_file): Use
9125         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
9126
9127 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9128
9129         PR tree-optimization/70256
9130         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
9131         (debug_varmap): New function.
9132
9133 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9134
9135         PR other/70183
9136         * passes.c (pass_manager::register_pass): Propagate pflags.
9137
9138 2016-04-17  Tom de Vries  <tom@codesourcery.com>
9139
9140         PR other/68875
9141         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
9142         * passes.c (pass_manager::pass_manager): Declare and init p_start in
9143         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
9144         check if it's equal to p_start.
9145         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
9146
9147 2016-04-15  Jan Hubicka  <jh@suse.cz>
9148
9149         PR ipa/70018
9150         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
9151         function does not bind to current def.
9152         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
9153         handle conservatively calls to functions that does not need to bind
9154         to current def.
9155         (check_call): Update call of worse_state.
9156         (ignore_edge_for_nothrow): Update.
9157         (ignore_edge_for_pure_const): Likewise.
9158         (propagate_pure_const): Update calls to worse_state.
9159         (skip_function_for_local_pure_const): Reformat comments.
9160
9161 2016-04-15  Jan Hubicka  <jh@suse.cz>
9162
9163         PR ipa/70018
9164         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
9165         (cgraph_node::function_symbol): Likewise.
9166         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9167         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
9168         (symtab_node::ultimate_alias_target): Add REF parameter.
9169         (symtab_node::binds_to_current_def_p): Declare.
9170         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
9171         (cgraph_node::function_symbol): Likewise.
9172         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9173         (cgraph_node::get_availability): Likewise.
9174         (cgraph_edge::binds_to_current_def_p): New inline function.
9175         (varpool_node::get_availability): Add REF parameter.
9176         (varpool_node::ultimate_alias_target): Likewise.
9177         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
9178         (symtab_node::binds_to_current_def_p): Likewise.
9179         * varpool.c (varpool_node::get_availability): Likewise.
9180
9181 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9182
9183         PR target/70662
9184         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
9185         Fix mode size check.
9186
9187 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9188
9189         * BASE-VER: Set to 7.0.0.
9190
9191 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
9192
9193         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
9194
9195 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9196
9197         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
9198         architecture revisions.
9199
9200 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
9201
9202         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
9203         * config/i386/i386.c (ix86_using_red_zone): No longer static.
9204         * config/i386/i386.md (stack decrement to push peepholes): Guard
9205         with !x86_using_red_zone ().
9206
9207 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
9208
9209         PR c++/70675
9210         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
9211         to dump_generic_node.
9212         (NIY): Pass also flags to do_niy.
9213
9214 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
9215
9216         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
9217         (simd_clone_vector_of_formal_parm_types)
9218         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
9219         (simd_clone_mangle, simd_clone_create)
9220         (simd_clone_adjust_return_type, create_tmp_simd_array)
9221         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
9222         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
9223         (ipa_simd_modify_function_body, simd_clone_linear_addend)
9224         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
9225         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
9226         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
9227         * omp-simd-clone.c: ... this new file.
9228         (simd_clone_vector_of_formal_parm_types): Make it static.
9229         * Makefile.in (OBJS): Add omp-simd-clone.o.
9230
9231 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
9232
9233         PR target/70662
9234         * config/i386/sse.md: Use proper memory operand modifiers.
9235
9236
9237 2016-04-15  Richard Biener  <rguenther@suse.de>
9238         Alan Modra  <amodra@gmail.com>
9239
9240         PR tree-optimization/70130
9241         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
9242         when alignment stays not the same and no not use the realign
9243         scheme then.
9244
9245 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9246
9247         PR target/70669
9248         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
9249         direct move handlers for KFmode. Change TFmode handlers test from
9250         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
9251
9252 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
9253
9254         PR c++/70594
9255         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
9256         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
9257         (inlined_polymorphic_ctor_dtor_block_p): Use it.
9258         * tree-ssa-live.c (remove_unused_scope_block_p): When
9259         in_ctor_dtor_block, avoid discarding not just BLOCKs with
9260         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
9261         block_ultimate_origin is FUNCTION_DECL.
9262         (remove_unused_locals): If current_function_decl is
9263         polymorphic_ctor_dtor_p, pass initial true to
9264         remove_unused_scope_block_p' is_ctor_dtor_block.
9265
9266 2016-04-14  Martin Sebor  <msebor@redhat.com>
9267
9268         PR c++/69517
9269         PR c++/70019
9270         PR c++/70588
9271         * doc/extend.texi (Variable Length): Revert.
9272
9273 2016-04-14  Marek Polacek  <polacek@redhat.com>
9274             Jan Hubicka  <hubicka@ucw.cz>
9275
9276         PR c++/70029
9277         * tree.c (verify_type): Disable the canonical type of main variant
9278         check.
9279
9280 2016-04-14  Jason Merrill  <jason@redhat.com>
9281
9282         * cfgexpand.c, expr.c: Revert previous change.
9283
9284 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
9285
9286         PR middle-end/70643
9287         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
9288         when building a mem ref for the incoming reduction variable.
9289
9290 2016-04-14  Richard Biener  <rguenther@suse.de>
9291
9292         PR tree-optimization/70614
9293         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
9294         loop if the evolution dropped to chrec_dont_know.
9295         (interpret_condition_phi): Likewise.
9296
9297 2016-04-14  Richard Biener  <rguenther@suse.de>
9298
9299         PR tree-optimization/70623
9300         * tree-ssa-pre.c (changed_blocks): Make global ...
9301         (compute_antic): ... local here.  Move and fix worklist
9302         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
9303         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
9304         worklist handling, dump when ANTIC_IN changed.
9305         (compute_partial_antic_aux): Remove worklist handling.
9306         (init_pre): Do not compute post dominators.  Add a comment about
9307         the CFG order chosen.
9308         (fini_pre): Do not free post dominators.
9309
9310 2016-04-13  Martin Sebor  <msebor@redhat.com>
9311
9312         PR c++/69517
9313         PR c++/70019
9314         PR c++/70588
9315         * doc/extend.texi (Variable Length): Document C++ specifics.
9316
9317 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9318
9319         PR c++/70641
9320         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
9321         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
9322         eh edges have been purged.
9323
9324         PR c++/70594
9325         * tree-sra.c (create_access_replacement,
9326         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
9327         gets fancy name.
9328         * tree-pretty-print.c (dump_fancy_name): New function.
9329         (dump_decl_name, dump_generic_node): Use it.
9330
9331 2016-04-13  Jason Merrill  <jason@redhat.com>
9332
9333         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
9334         * expr.c (expand_expr_real_1): Likewise.
9335
9336 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
9337
9338         * config/i386/i386.md (kunpckhi): Swap operands.
9339         (kunpcksi): Likewise.
9340         (kunpckdi): Likewise.
9341         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
9342         (vec_pack_trunc_<mode>): Likewise.
9343
9344 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
9345
9346         PR debug/70628
9347         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
9348
9349         PR middle-end/70633
9350         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
9351         gimplification turns some element into non-constant.
9352
9353         PR debug/70628
9354         * rtl.h (convert_memory_address_addr_space_1): New prototype.
9355         * explow.c (convert_memory_address_addr_space_1): No longer static,
9356         add NO_EMIT argument and don't call convert_modes if true, pass
9357         it down recursively, remove break after return.
9358         (convert_memory_address_addr_space): Adjust caller.
9359         * simplify-rtx.c (simplify_unary_operation_1): Call
9360         convert_memory_address_addr_space_1 instead of convert_memory_address,
9361         if it returns NULL, don't simplify.
9362
9363 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
9364
9365         PR target/70630
9366         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9367
9368 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9369
9370         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9371         Bump the upper SIMDLEN limits, so that if the return type or
9372         characteristic type if the return type is void can be passed in
9373         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
9374         allowed.
9375
9376 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9377
9378         PR target/70640
9379         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
9380         Do not use "=" constraint on an input constraint.
9381         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
9382         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
9383         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
9384         generates (neg (abs ...)) instead of (abs ...).
9385
9386 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9387
9388         PR rtl-optimization/70596
9389         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
9390         just invalidate LRA data and reset them.  Adjust dump wording.
9391
9392 2016-04-12  Martin Liska  <mliska@suse.cz>
9393
9394         Revert
9395         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9396
9397         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9398         estimates here.
9399         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9400         max_loop_iterations_int.
9401         (tree_unswitch_outer_loop): Likewise.
9402         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9403         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9404
9405 2016-04-12  Tom de Vries  <tom@codesourcery.com>
9406
9407         PR tree-optimization/68756
9408         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
9409         instead of new_name.
9410
9411 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9412
9413         PR tree-optimization/70602
9414         * tree-sra.c (generate_subtree_copies): Don't write anything into
9415         constant pool decls.
9416
9417         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
9418         regardless whether there are depend clauses or not.
9419
9420 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9421
9422         PR target/70381
9423         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
9424         target attribute and pragma from changing the -mfloat128
9425         and -mfloat128-hardware options.
9426
9427         * doc/extend.texi (Additional Floating Types): Document PowerPC
9428         __float128 restrictions.
9429
9430 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9431
9432         PR target/70133
9433         * config/aarch64/driver-aarch64.c
9434         (aarch64_get_extension_string_for_isa_flags): New.
9435         (arch_extension): Rename to...
9436         (aarch64_arch_extension): ...This.
9437         (ext_to_feat_string): Rename to...
9438         (aarch64_extensions): ...This.
9439         (aarch64_core_data): Keep track of architecture extension flags.
9440         (cpu_data): Rename to...
9441         (aarch64_cpu_data): ...This.
9442         (aarch64_arch_driver_info): Keep track of architecture extension
9443         flags.
9444         (get_arch_name_from_id): Rename to...
9445         (get_arch_from_id): ...This, change return type.
9446         (host_detect_local_cpu): Update and reformat for renames, handle
9447         extensions through common infrastructure.
9448
9449 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9450
9451         PR target/70133
9452         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
9453         track of a canonical flag name.
9454         (all_extensions): Likewise.
9455         (arch_to_arch_name): Also track extension flags enabled by the arch.
9456         (all_architectures): Likewise.
9457         (aarch64_parse_extension): Move to here.
9458         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9459         rework.
9460         (aarch64_rewrite_selected_cpu): Update for above change.
9461         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9462         are handled, such that the single explicit value enabled by an
9463         extension is kept seperate from the implicit values it also enables.
9464         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9465         to here.
9466         (aarch64_parse_extension): New.
9467         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9468         here to config/aarch64/aarch64-protos.h.
9469         (aarch64_parse_extension): Move from here to
9470         common/config/aarch64/aarch64-common.c.
9471         (aarch64_option_print): Update.
9472         (aarch64_declare_function_name): Likewise.
9473         (aarch64_start_file): Likewise.
9474         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9475         the canonical flag for extensions.
9476         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9477         flags.
9478
9479 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9480
9481         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9482         AARCH64_FL_CRC.
9483
9484 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9485
9486         PR tree-optimization/68953
9487         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9488         first to last subscript.
9489
9490 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9491
9492         PR tree-optimization/70586
9493         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9494         for any calls.
9495
9496 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9497
9498         PR lto/70289
9499         PR ipa/70348
9500         PR tree-optimization/70373
9501         PR middle-end/70533
9502         PR middle-end/70534
9503         PR middle-end/70535
9504         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9505         clauses for acc parallel reductions as necessary.  Error on those
9506         that are private.
9507         * omp-low.c (scan_sharing_clauses): Don't install variables which
9508         are used in acc parallel reductions.
9509         (lower_rec_input_clauses): Remove dead code.
9510         (lower_oacc_reductions): Add support for reference reductions.
9511         (lower_reduction_clauses): Remove dead code.
9512         (lower_omp_target): Don't remap variables appearing in acc parallel
9513         reductions.
9514         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9515
9516 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9517
9518         PR middle-end/70593
9519         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9520         with multiple SSA_NAME defs, force the outputs other than first
9521         to be live before calling live_track_process_def on each output.
9522
9523         PR rtl-optimization/70574
9524         * fwprop.c (forward_propagate_and_simplify): Don't add
9525         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9526         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9527         paradoxical subregs within *loc.
9528
9529 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9530
9531         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9532         -ftree-parallelize-loops={0,1}.
9533         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9534         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9535         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9536         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9537         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9538
9539 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9540
9541         PR sanitizer/70541
9542         * asan.c (instrument_derefs): If we get unknown location, extract it
9543         with EXPR_LOCATION.
9544         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9545
9546 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9547
9548         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9549         implicit firstprivate clause.
9550
9551 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9552
9553         PR target/70566
9554         * config/arm/thumb2.md (tst + branch-> lsls + branch
9555         peephole below *orsi_not_shiftsi_si): Require that condition
9556         register is dead after the peephole.
9557         (second peephole after the above): Likewise.
9558
9559 2016-04-08  Alan Modra  <amodra@gmail.com>
9560
9561         PR target/70117
9562         * builtins.c (fold_builtin_classify): For IBM extended precision,
9563         look at just the high-order double to test for NaN.
9564         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9565         test just the high double for Inf but both doubles for subnormal
9566         limit.
9567
9568 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9569
9570         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9571         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9572         node->simdclone->mask_mode != VOIDmode masks.
9573         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9574         earlier, use it instead of node->simdclone.
9575         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9576         Set clonei->mask_mode.
9577
9578 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9579
9580         PR c/70436
9581         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9582         Pass it through to cp_parser_already_scoped_statement.
9583         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9584         it through to cp_parser_statement.
9585         (cp_parser_statement): Pass IF_P through to
9586         cp_parser_iteration_statement.
9587         (cp_parser_pragma): Adjust call to
9588         cp_parser_iteration_statement.
9589
9590 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9591
9592         PR c/70436
9593         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9594         resolve a future -Wparentheses warning.
9595         * omp-low.c (scan_sharing_clauses): Likewise.
9596         * tree-parloops.c (eliminate_local_variables): Likewise.
9597
9598 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9599
9600         PR rtl-optimization/70398
9601         * lra-constraints.c (process_address_1): Check zero scale and code
9602         for reloading with zero scale.
9603
9604 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9605
9606         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9607         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9608
9609 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9610
9611         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9612         Add support for AVX512F clones, include them by default for
9613         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9614         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9615         up to 128.
9616
9617         PR middle-end/70550
9618         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9619         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9620         firstprivate clauses.
9621         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9622         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9623         (lower_omp_target): Set TREE_NO_WARNING for
9624         non-addressable possibly uninitialized vars which are copied into
9625         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9626
9627 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9628
9629         * config/pa/predicates.md (integer_store_memory_operand): Accept
9630         REG+D operands with a large offset when reload_in_progress is true.
9631         (floating_point_store_memory_operand): Likewise.
9632
9633 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9634
9635         PR c++/70336
9636         * match.pd (nested int casts): Limit to GIMPLE.
9637
9638 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9639
9640         PR ipa/66223
9641         * ipa-devirt.c (maybe_record_node): Fix comment; use
9642         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9643
9644 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9645
9646         PR rtl-optimization/70542
9647         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9648         if there are any uses other than insn or debug insns.
9649
9650 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9651             Jakub Jelinek  <jakub@redhat.com>
9652
9653         PR tree-optimization/70509
9654         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9655         Shift HOST_WIDE_INT_1U instead of 1.
9656
9657 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9658
9659         PR tree-optimization/70509
9660         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9661         of the vector base type for index.
9662
9663 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9664
9665         PR target/70510
9666         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9667
9668 2016-04-05  Richard Biener  <rguenther@suse.de>
9669
9670         PR tree-optimization/70526
9671         * tree-sra.c (build_ref_for_offset): Use prev_base to
9672         extract the alias pointer type.
9673
9674 2016-04-05  Richard Biener  <rguenther@suse.de>
9675
9676         * dse.c (struct store_info): Remove alias_set member.
9677         (struct read_info_type): Likewise.
9678         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9679         spill_deleted, clear_alias_set_lookup): Remove.
9680         (get_group_info): Remove dead base == NULL_RTX case.
9681         (dse_step0): Remove initialization of removed variables.
9682         (delete_dead_store_insn): Reomve alias set dumping.
9683         (free_read_records): Remove alias_set handling.
9684         (canon_address): Remove alias_set_out parameter.
9685         (record_store): Remove spill_alias_set, it's always zero.
9686         (check_mem_read_rtx): Likewise.
9687         (dse_step2): Rename from ...
9688         (dse_step2_nospill): ... this.  Adjust.
9689         (scan_stores): Rename from ...
9690         (scan_stores_nospill): ... this.
9691         (scan_reads): Rename from ...
9692         (scan_reads_nospill): ... this.
9693         (scan_stores_spill, scan_reads_spill): Remove.
9694         (dse_step3_scan): Remove for_spills argument which is always false.
9695         (dse_step3): Likewise.
9696         (dse_step5): Rename from ...
9697         (dse_step5_nospill): ... this.  Remove alias_set handling.
9698         (rest_of_handle_dse): Adjust.
9699
9700 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9701
9702         PR target/70525
9703         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9704         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9705         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9706         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9707
9708 2016-04-05  Richard Biener  <rguenther@suse.de>
9709
9710         PR middle-end/70499
9711         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9712         non-register type temporaries into SSA.
9713
9714 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9715
9716         PR ipa/66223
9717         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9718         calls when sanitizing.
9719         (possible_polymorphic_call_target_p): Fix formatting.
9720
9721 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9722             Jakub Jelinek <jakub@redhat.com>
9723
9724         PR middle-end/70457
9725         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9726         to ensure a call statement is compatible with a built-in's
9727         prototype.
9728         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9729         Likewise.
9730
9731 2016-04-04  Richard Biener  <rguenther@suse.de>
9732
9733         PR rtl-optimization/70484
9734         * rtl.h (canon_output_dependence): Declare.
9735         * alias.c (canon_output_dependence): New function.
9736         * dse.c (record_store): Use canon_output_dependence rather
9737         than canon_true_dependence.
9738
9739 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9740
9741         PR ipa/68881
9742         * cgraph.h (symtab_node::copy_visibility_from): New function.
9743         * symtab.c (symtab_node::copy_visibility_from): New function.
9744         * ipa-visibility.c (optimize_weakref): New function.
9745         (function_and_variable_visibility): Use it.
9746
9747 2016-04-04  Martin Liska  <mliska@suse.cz>
9748
9749         PR hsa/70402
9750         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9751         value that is really in range handled by SBR instruction.
9752         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9753         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9754         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9755
9756 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9757
9758         PR target/70416
9759         PR target/67391
9760         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9761         set, but not for SP_REG operands.
9762
9763 2016-04-02  Martin Sebor  <msebor@redhat.com>
9764
9765         PR c++/67376
9766         * fold-const.c (maybe_nonzero_address): New function.
9767         (fold_comparison): Call it.  Fold equality and relational
9768         expressions involving null pointers.
9769         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9770
9771 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9772
9773         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9774         the "Y" constraint (scalar FP 0.0 immediate).
9775
9776         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9777         Add the "const_double" to the list of operand constraints.
9778
9779 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9780
9781         PR rtl-optimization/70467
9782         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9783         If low word of the last operand is 0, just emit addition/subtraction
9784         for the high word.
9785
9786 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9787
9788         PR target/70404
9789         * config/s390/s390.c (s390_expand_insv): Check for everything
9790         constant instead of just VOIDmode stuff.
9791
9792 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9793
9794         PR target/70496
9795         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9796
9797 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9798
9799         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9800
9801 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9802
9803         PR rtl-optimization/70461
9804         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9805         is necessary.
9806
9807 2016-03-31  Martin Liska  <mliska@suse.cz>
9808
9809         PR hsa/70399
9810         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9811         a tree value or an immediate integer value to a buffer
9812         that is eventually copied to a BRIG section.
9813         (emit_immediate_operand): Call the function here.
9814         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9815         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9816         of class' fields that are removed.
9817         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9818         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9819         m_brig_repr_size fields.
9820
9821 2016-03-31  Martin Liska  <mliska@suse.cz>
9822
9823         PR hsa/70391
9824         * hsa-gen.c (hsa_function_representation::update_dominance): New
9825         function.
9826         (convert_addr_to_flat_segment): Likewise.
9827         (gen_hsa_memory_set): New alignment argument.
9828         (gen_hsa_ctor_assignment): Likewise.
9829         (gen_hsa_insns_for_single_assignment): Provide alignment
9830         to gen_hsa_ctor_assignment.
9831         (gen_hsa_insns_for_direct_call): Add new argument.
9832         (expand_lhs_of_string_op): New function.
9833         (expand_string_operation_builtin): Likewise.
9834         (expand_memory_copy): New function.
9835         (expand_memory_set): New function.
9836         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9837         (convert_switch_statements): Change signature.
9838         (generate_hsa): Use a return value of the function.
9839         (pass_gen_hsail::execute): Do not call
9840         convert_switch_statements here.
9841         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9842         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9843         (hsa_function_representation::update_dominance): New function.
9844
9845 2016-03-31  Martin Liska  <mliska@suse.cz>
9846
9847         PR hsa/70391
9848         * hsa-brig.c (emit_directive_variable): Emit alignment
9849         according to hsa_symbol::m_align.
9850         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9851         (dump_hsa_symbol): Dump alignment of HSA symbols.
9852         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9853         (gen_hsa_addr_with_align): New function.
9854         (hsa_bitmemref_alignment): Use newly added function.
9855         (gen_hsa_insns_for_load): Likewise.
9856         (gen_hsa_insns_for_store): Likewise.
9857         (gen_hsa_memory_copy): New argument added.
9858         (gen_hsa_insns_for_single_assignment): Respect
9859         alignment for assignments processed via gen_hsa_memory_copy.
9860         (gen_hsa_insns_for_direct_call): Likewise.
9861         (gen_hsa_insns_for_return): Likewise.
9862         (gen_function_def_parameters): Set default alignment.
9863         * hsa.c (hsa_object_alignment): New function.
9864         (hsa_byte_alignment): Pasted function.
9865         * hsa.h (hsa_symbol::m_align): New field.
9866
9867 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9868
9869         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9870         scratch field for goto case.
9871
9872 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9873
9874         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9875
9876 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9877
9878         PR target/70442
9879         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9880         (scalar_chain::convert_insn): Call convert_op for reg
9881         moves to handle undefined registers.
9882
9883 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9884
9885         PR c++/70393
9886         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9887         Assert we don't want to move backwards.
9888
9889 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9890
9891         PR target/70453
9892         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9893
9894 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9895
9896         PR rtl-optimization/70460
9897         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9898         with operand from REG_LABEL_OPERAND, instead substitute
9899         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9900         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9901
9902 2016-03-31  Martin Liska  <mliska@suse.cz>
9903
9904         * passes.c (execute_one_pass): Do not call
9905         todo_after for a discarded function.
9906
9907 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9908
9909         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9910         (no_cost, infinite_cost): Initialize the new field.
9911         (get_computation_cost_at): Record setup cost.
9912         (determine_use_iv_cost_address): Skip cost computation for sub
9913         uses if we can estimate it without losing accuracy.
9914
9915 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9916
9917         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9918         estimates here.
9919         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9920         max_loop_iterations_int.
9921         (tree_unswitch_outer_loop): Likewise.
9922         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9923         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9924
9925 2016-03-30  Richard Biener  <rguenther@suse.de>
9926
9927         PR middle-end/70450
9928         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9929
9930 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9931
9932         PR target/70421
9933         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9934         in gen_blendm expander.
9935
9936 2016-03-30  Nick Clifton  <nickc@redhat.com>
9937
9938         PR target/62254
9939         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9940         case where we are already provided with an SImode SUBREG.
9941
9942 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9943
9944         PR target/70439
9945         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9946         conflict between DRAP register and __builtin_eh_return.
9947
9948 2016-03-30  Michael Matz  <matz@suse.de>
9949             Richard Biener  <rguenther@suse.de>
9950
9951         PR ipa/12392
9952         * ipa-polymorphic-call.c (struct type_change_info): Change
9953         speculative to an unsigned allowing to limit the work we do.
9954         (csftc_abort_walking_p): New inline function..
9955         (check_stmt_for_type_change): Limit the number of may-defs
9956         skipped for speculative devirtualization to
9957         max-speculative-devirt-maydefs.
9958         * params.def (max-speculative-devirt-maydefs): New param.
9959         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9960
9961 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9962
9963         PR target/63890
9964         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9965         and TARGET_MACHO.
9966
9967 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9968
9969         PR tree-optimization/59124
9970         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9971         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9972
9973 2016-03-29  Jeff Law  <law@redhat.com>
9974
9975         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9976
9977 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9978
9979         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9980         to HOST_WIDE_INT.
9981
9982 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9983
9984         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9985         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9986         gcrt0.o if linking dynamically.
9987
9988 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9989
9990         PR ipa/70283
9991         * ipa-devirt.c (methods_equal_p): New function.
9992         (compare_virtual_tables): Use it.
9993         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9994         * cgraphclones.c (clone_function_name_1): Use
9995         symbol_table::symbol_suffix_separator.
9996         * coverage.c (build_var): Likewise.
9997         * symtab.c (symbol_table::symbol_suffix_separator): New.
9998
9999 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
10000
10001         PR rtl-optimization/70429
10002         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
10003         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
10004         mode != result_mode.
10005
10006         PR c++/70353
10007         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
10008
10009         PR tree-optimization/70405
10010         * ssa-iterators.h (num_imm_uses): Add missing braces.
10011
10012 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
10013
10014         PR rtl-optimization/68695
10015         * ira-color.c (allocno_copy_cost_saving): New.
10016         (improve_allocation): Use it.
10017
10018 2016-03-29  Richard Henderson  <rth@redhat.com>
10019
10020         PR middle-end/70355
10021         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
10022
10023 2016-03-29  Richard Biener  <rguenther@suse.de>
10024
10025         PR middle-end/70424
10026         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
10027         use alignment returned by get_pointer_alignment_1 if it is
10028         bigger than BITS_PER_UNIT.
10029         * builtins.c (get_pointer_alignment_1): Do not return true
10030         for alignment extracted from SSA info.
10031
10032 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
10033
10034         * config/ft32/ft32.opt (mnodiv): New.
10035         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
10036         * doc/invoke.texi (FT32 Options -mnodiv): New.
10037
10038 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
10039
10040         PR target/70406
10041         * config/i386/i386.md (define_split, andn): Fix modes.
10042
10043 2016-03-26  Richard Biener  <rguenther@suse.de>
10044             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10045
10046         PR ipa/70366
10047         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
10048         instead of
10049         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
10050         as 2nd argument to cl_optimization_restore().
10051
10052 2016-03-25  Richard Henderson  <rth@redhat.com>
10053
10054         PR target/70120
10055         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
10056         * config/aarch64/aarch64-protos.h: Declare it.
10057         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
10058
10059 2016-03-25  Alan Modra  <amodra@gmail.com>
10060
10061         PR target/70052
10062         * config/rs6000/constraints.md (j): Simplify.
10063         * config/rs6000/predicates.md (easy_fp_constant): Exclude
10064         decimal float 0.D.
10065         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
10066         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
10067          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
10068         in all constraint alternatives.
10069         (movtd_64bit_nodm): Delete "j" constraint alternative.
10070
10071 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10072
10073         * tree-ssa-propagate.c: Enhance docs for
10074         SSA_PROP_NOT_INTERESTING.
10075
10076 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
10077
10078         * doc/extend.texi: Fix typo in documentation to pure attribute.
10079
10080 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
10081
10082         PR target/70319
10083         * config/pa/pa.md (bswapdi2): Use a scratch register.
10084
10085 2016-03-24  Richard Henderson  <rth@redhat.com>
10086
10087         PR middle-end/69845
10088         * fold-const.c (extract_muldiv_1): Correct test for multiplication
10089         overflow.
10090
10091 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
10092
10093         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
10094         using ix86_expand_binary_operator instead of gen_andsi3.
10095
10096 2016-03-24  Richard Biener  <rguenther@suse.de>
10097
10098         PR tree-optimization/70396
10099         * tree-vect-stmts.c (vectorizable_comparison): Use
10100         get_vectype_for_scalar_type.
10101
10102 2016-03-24  Richard Biener  <rguenther@suse.de>
10103
10104         PR middle-end/70370
10105         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
10106         with register bases.
10107
10108 2016-03-24  Richard Biener  <rguenther@suse.de>
10109
10110         PR tree-optimization/70372
10111         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
10112         build_all_ones_cst to also handle vector types correctly.
10113
10114 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10115
10116         PR target/70381
10117         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
10118         -mfloat128 here.
10119
10120 2016-03-23  Marek Polacek  <polacek@redhat.com>
10121
10122         PR c++/69884
10123         * doc/invoke.texi: Document -Wignored-attributes.
10124
10125 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10126
10127         PR tree-optimization/69042
10128         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
10129         parameter from 30 to 40.
10130
10131 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
10132
10133         PR tree-optimization/69042
10134         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
10135         for use with constant offset stripped in base.
10136
10137 2016-03-23  Richard Biener  <rguenther@suse.de>
10138
10139         PR middle-end/70251
10140         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
10141         mode compatibility check.
10142         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10143
10144 2016-03-23  Jeff Law  <law@redhat.com>
10145
10146         PR tree-optimization/64058
10147         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
10148         CONFLICT_COUNT.
10149         (struct ssa_conflicts): Move up earlier in the file.
10150         (conflicts_, var_map_): New static variables.
10151         (initialize_conflict_count): New function to initialize the
10152         CONFLICT_COUNT field for each conflict pair.
10153         (compare_pairs): Lazily initialize the conflict count and use it
10154         as the first tie-breaker.
10155         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
10156         and wipe conflicts_ and map_ around the call to qsort.  Remove
10157         special case for 2 coalesce pairs.
10158         * bitmap.c (bitmap_count_unique_bits): New function.
10159         (bitmap_count_bits_in_word): New function, extracted from
10160         bitmap_count_bits.
10161         (bitmap_count_bits): Use bitmap_count_bits_in_word.
10162         * bitmap.h (bitmap_count_unique_bits): Declare it.
10163
10164 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
10165
10166         PR target/69917
10167         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
10168         transparent alias chain for decl assembler name.
10169         * config/sol2.c (solaris_assemble_visibility): Likewise.
10170
10171 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10172
10173         * config/arm/arm1020e.md (1020call_op): Reduce reservation
10174         duration.
10175         (v10_fdivs): Likewise.
10176         (v10_fdivd): Likewise.
10177
10178 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10179
10180         PR driver/70132
10181         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
10182         to not call fclose twice on file.
10183
10184 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
10185
10186         PR tree-optimization/70354
10187         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10188         oprnd0 is wider than oprnd1 and there is a cast from the wider
10189         type to oprnd1, mask it with the mask of the narrower type.
10190
10191         PR target/70321
10192         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
10193         Optimize TARGET_STV splitters, if high or low word of last argument
10194         is 0 or -1.
10195
10196 2016-03-22  Jeff Law  <law@redhat.com>
10197
10198         PR target/70232
10199         tree-ssa-threadbackward.c
10200         (fsm_find_control_statement_thread_paths): Correctly distinguish
10201         between old style jump threads vs FSM jump threads.
10202
10203 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
10204
10205         PR target/70302
10206         * config/i386/i386.c (scalar_chain::convert_op): Support
10207         uninitialized register usage case.
10208
10209 2016-03-22  Richard Biener  <rguenther@suse.de>
10210
10211         PR middle-end/70251
10212         * genmatch.c (gen_transform): Adjust last parameter to a three-state
10213         int...
10214         (capture::gen_transform): ... to change behavior when substituting
10215         a condition into cond or not-cond expr context.
10216         (dt_simplify::gen_1): Adjust.
10217         * gimple-match-head.c: Include gimplify.h for unshare_expr.
10218         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
10219         last change and instead change to
10220         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
10221         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10222
10223 2016-03-22  Anthony Green  <green@moxielogic.com>
10224
10225         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
10226         issue for moxiebox targets.
10227         (CC1PLUS_SPEC): Ditto.
10228
10229 2016-03-22  Richard Biener  <rguenther@suse.de>
10230
10231         PR middle-end/70333
10232         * fold-const.c (extract_muldiv_1): Properly perform multiplication
10233         in the wide type.
10234
10235 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10236
10237         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
10238
10239 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
10240
10241         PR target/70325
10242         * config/i386/i386.c (def_builtin): Handle
10243         OPTION_MASK_ISA_AVX512VL to be and-ed with other
10244         bits.
10245         (const struct builtin_description bdesc_special_args[]):
10246         Remove duplicate ISA bits.
10247
10248 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
10249
10250         PR target/70329
10251         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
10252         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
10253         in a way that works also for AVX512BW.
10254
10255         PR target/70300
10256         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
10257         instead of source if operands[1] is xmm16 and above and
10258         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
10259         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
10260
10261         PR c++/70295
10262         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
10263         on assign if (*from_p) is a comparison, set it to
10264         TREE_NO_WARNING (*from_p).
10265
10266 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10267
10268         PR middle-end/70326
10269         * lra.c (restore_scratches): Ignore deleted insns.
10270
10271 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
10272             Jakub Jelinek  <jakub@redhat.com>
10273
10274         PR tree-optimization/70317
10275         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
10276         to HONOR_NANS.
10277
10278 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
10279
10280         PR target/70327
10281         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
10282         of ix86_expand_move.
10283         (movoi): Ditto.
10284         (movti): Use general_operand for operand 1 predicate.
10285
10286 2016-03-21  Martin Liska  <mliska@suse.cz>
10287
10288         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
10289         insns.
10290         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
10291
10292 2016-03-21  Martin Liska  <mliska@suse.cz>
10293
10294         PR ipa/70306
10295         * ipa-icf.c (sem_function::parse): Skip static
10296         constructors and destructors.
10297
10298 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
10299
10300         PR target/70296
10301         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
10302         function-like macro, peek following token(s) if it is followed
10303         by CPP_OPEN_PAREN token with optional padding in between, and
10304         if not, don't treat it like a macro.
10305
10306 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
10307             Alexander Monakov  <amonakov@ispras.ru>
10308
10309         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
10310         for the stabs debug format.
10311
10312 2016-03-21  Richard Biener  <rguenther@suse.de>
10313
10314         PR tree-optimization/70310
10315         * tree-vect-generic.c (expand_vector_condition): Fold the built
10316         condition.
10317
10318 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
10319
10320         PR target/70293
10321         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
10322         Block third alternative for AVX-512VL target,
10323
10324 2016-03-21  Martin Liska  <mliska@suse.cz>
10325
10326         PR hsa/70234
10327         * hsa-brig.c (emit_function_directives): Mark unemitted
10328         global variables for emission.
10329         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
10330         (get_symbol_for_decl): Likewise.
10331         * hsa.h (struct hsa_symbol): New flag.
10332
10333 2016-03-21  Richard Biener  <rguenther@suse.de>
10334
10335         PR tree-optimization/70288
10336         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
10337         we do not estimate unsimplified all-constant conditionals or
10338         switches as optimized away.
10339
10340 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
10341
10342         PR rtl-optimization/69102
10343         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
10344         when we have a readonly dependency context.
10345
10346 2016-03-18  Jeff Law  <law@redhat.com>
10347
10348         PR rtl-optimization/70263
10349         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
10350         (update_equiv_regs): When trying to move a store to after the insn
10351         that sets the source of the store, make sure the store occurs after
10352         the insn that sets the source of the store.  When successful note
10353         the REG_EQUIV note created in the dump file.
10354
10355 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
10356             Bernd Schmidt  <bschmidt@redhat.com>
10357
10358         * doc/extend.texi: Document more potential problems with basic asms.
10359
10360 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
10361
10362         PR rtl-optimization/70278
10363         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
10364         VOIDmode.
10365
10366 2016-03-18  Jason Merrill  <jason@redhat.com>
10367
10368         * calls.c (load_register_parameters): Fix zero size sibcall logic.
10369
10370 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10371
10372         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10373         values to 128b regs.
10374
10375 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10376
10377         PR tree-optimization/70252
10378         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
10379         boolean vector has a proper number of elements.
10380         (supportable_narrowing_operation): Likewise.
10381
10382 2016-03-18  Tom de Vries  <tom@codesourcery.com>
10383
10384         PR ipa/70269
10385         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
10386
10387 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
10388
10389         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
10390         instead of replace_rtx for DEBUG_INSNs.
10391
10392 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10393
10394         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
10395         load type reservations.
10396
10397 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
10398
10399         PR target/70188
10400         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
10401         define_constraint for "Q" and "T" constraints.
10402
10403 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
10404
10405         Tweak the pipeline model for Exynos M1
10406
10407         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
10408         model.
10409
10410 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
10411
10412         PR c/70264
10413         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
10414         where one or both locations aren't within a line_map.
10415
10416 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10417
10418         PR driver/70192
10419         * opts.c (finish_options): Don't set flag_pie to the default if
10420         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
10421         if it is -1.
10422
10423 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10424
10425         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
10426         true as ALL_REGS argument to replace_rtx.
10427
10428 2016-03-17  Richard Biener  <rguenther@suse.de>
10429
10430         PR debug/70271
10431         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
10432         last.
10433
10434 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10435
10436         PR target/70245
10437         * rtl.h (replace_rtx): Add ALL_REGS argument.
10438         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
10439         equality and assert mode is the same, instead of just rtx pointer
10440         equality.
10441         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
10442         true as ALL_REGS argument to replace_rtx.
10443
10444 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
10445
10446         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
10447         for boolean vector with vector mode only.
10448         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10449
10450 2016-03-17  Nick Clifton  <nickc@redhat.com>
10451
10452         PR target/70162
10453         * config/rx/rx.c (rx_print_integer): Print negative constants in
10454         decimal.
10455
10456 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10457
10458         PR target/70261
10459         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10460
10461 2016-03-16  Richard Henderson  <rth@redhat.com>
10462             Richard Biener  <rguenth@suse.de>
10463
10464         PR middle-end/70240
10465         PR middle-end/68215
10466         PR tree-opt/68714
10467         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10468         first operand as is_gimple_condexpr.
10469
10470         PR middle-end/70240
10471         PR middle-end/68215
10472         Revert r231575
10473         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10474         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10475         Do not gimplify the result.
10476         (do_unop): Adjust call to tree_vec_extract.
10477         (do_binop): Likewise.
10478         (do_compare): Likewise.
10479         (do_plus_minus): Likewise.
10480         (do_negate): Likewise.
10481         (expand_vector_condition): Likewise.
10482         (do_cond): Likewise.
10483
10484 2016-03-16  Richard Henderson  <rth@redhat.com>
10485
10486         PR target/70048
10487         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10488         (aarch64_classify_address): Use it.
10489         (aarch64_legitimize_address): Force all subexpressions of PLUS
10490         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10491
10492 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10493             Richard Biener  <rguenth@suse.de>
10494
10495         PR target/70245
10496         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10497         return to even if only REGNO is equal, and assert
10498         mode is the same.
10499
10500 2016-03-11  Jeff Law  <law@redhat.com>
10501
10502         PR rtl-optimization/70224
10503         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10504
10505 2016-03-16  Richard Henderson  <rth@redhat.com>
10506
10507         PR middle-end/70199
10508         * function.h (struct function): Add has_forced_label_in_static.
10509         * gimplify.c (force_labels_r): Set it.
10510         * lto-streamer-in.c (input_struct_function_base): Read it.
10511         * lto-streamer-out.c (output_struct_function_base): Write it.
10512         * tree-inline.c (has_label_address_in_static_1): Remove.
10513         (copy_forbidden): Remove fndecl parameter; test
10514         has_forced_label_in_static.
10515         (inline_forbidden_p): Update call to copy_forbidden.
10516         (tree_versionable_function_p): Likewise.
10517         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10518         (chkp_versioning): Likewise.
10519         * tree-inline.h (copy_forbidden): Update decl.
10520
10521 2016-03-16  Marek Polacek  <polacek@redhat.com>
10522
10523         PR c/70093
10524         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10525         function being thunked if the result type doesn't have fixed size.
10526         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10527         doesn't have fixed size.
10528
10529 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10530
10531         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10532         reporting malformed loop nest.
10533
10534 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10535
10536         PR lto/70187
10537         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10538         nodes.length () == 1 test to before first nodes[0] access.
10539
10540 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10541
10542         PR tree-optimization/68715
10543         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10544         single_pred_p test.
10545
10546 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10547
10548         PR tree-optimization/68809
10549         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10550         are the same.
10551
10552 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10553             Sandra Loosemore  <sandra@codesourcery.com>
10554
10555         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10556         on leaf attribute. Mention ELF interposition problems.
10557
10558 2016-03-16  Alan Modra  <amodra@gmail.com>
10559
10560         PR rtl-optimization/69195
10561         PR rtl-optimization/47992
10562         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10563         Add comments.
10564
10565 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10566
10567         PR bootstrap/69513
10568         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10569
10570 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10571
10572         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10573
10574 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10575
10576         PR rtl-optimization/70222
10577         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10578         optimization if mode is different from result_mode, queue up masking
10579         of the result in outer_op.  Formatting fix.
10580
10581         PR middle-end/70239
10582         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10583         of safe_grow.
10584
10585 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10586
10587         PR rtl-optimization/69032
10588         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10589         looping backwards over basic block insns.
10590
10591 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10592
10593         PR target/66660
10594         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10595         to non-speculative when propagating trap bits.
10596
10597 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10598
10599         PR rtl-optimization/63384
10600         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10601         DEBUG_INSN_P insns.
10602
10603 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10604
10605         PR target/64411
10606         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10607         factored out from ...
10608         (sched_analyze_insn): ... here.
10609         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10610         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10611         get_implicit_reg_pending_clobbers in it.
10612         (setup_id_reg_sets): Use setup_id_implicit_regs.
10613         (deps_init_id): Ditto.
10614
10615 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10616
10617         PR ipa/70161
10618         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10619         dump_file_name.
10620         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10621         execute_function_dump.
10622         (execute_one_pass): Don't dump function if it will be dumped after ipa
10623         transform.
10624
10625 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10626
10627         * genrecog.c (match_pattern_2): If pred is NULL don't call
10628         safe_predicate_mode on it.
10629
10630 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10631
10632         PR middle-end/70219
10633         * lra-constraints.c (delete_move_and_clobber): Change assertion
10634         to also allow dregno == 0.
10635
10636 2016-03-14  Richard Henderson  <rth@redhat.com>
10637
10638         PR tree-opt/68714
10639         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10640         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10641         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10642         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10643         on vectors.
10644
10645 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10646
10647         PR target/70083
10648         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10649         regs.
10650         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10651         VOIDmode.
10652         * lra-constraints.c (split_reg): For hard regs, try to find the
10653         biggest single-register mode used in the function.
10654
10655 2016-03-14  Richard Biener  <rguenther@suse.de>
10656
10657         PR tree-optimization/56365
10658         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10659         constants to compare against.
10660
10661 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10662
10663         PR target/70098
10664         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10665         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10666         (define_split for the GPR case): Use int_reg_operand instead of
10667         gpc_reg_operand for the output.
10668
10669 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10670
10671         PR tree-optimization/70045
10672         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10673         create_empty_if_region_on_edge argument.
10674
10675 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10676
10677         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10678         (STACK_CHECK_PROTECT): Likewise.
10679         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10680         (STACK_CHECK_PROTECT): Likewise.
10681         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10682         (STACK_CHECK_PROTECT): Likewise.
10683         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10684         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10685         (STACK_CHECK_PROTECT): Likewise.
10686
10687 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10688
10689         PR rtl-optimization/69307
10690         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10691         registers in modes that span more than one register.
10692
10693 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10694
10695         PR target/69614
10696         * lra-constraints.c (delete_move_and_clobber): New.
10697         (remove_inheritance_pseudos): Use it.
10698
10699 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10700
10701         PR ada/70017
10702         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10703         the libcall is LCT_THROW.
10704         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10705         for the checking routine.
10706
10707 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10708
10709         PR target/70131
10710         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10711         optimization if we have direct move.
10712         (roundu32<mode>2_fprs): Likewise.
10713
10714 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10715
10716         PR target/70123
10717         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10718         be rematerialized.
10719         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10720         Arguments swapped.  All callers changed.  Take reg_renumber into
10721         account, and Calculate and compare register ranges for hard regs.
10722
10723 2016-03-11  Jeff Law  <law@redhat.com>
10724
10725         PR tree-optimization/70190
10726         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10727         Handle cases where we can not extract the taken edge, even though we
10728         found a constant value.
10729
10730         PR tree-optimization/64058
10731         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10732         (num_coalesce_pairs): Move up earlier in file.
10733         (find_coalesce_pair): Initialize the INDEX field for each pair
10734         discovered.
10735         (compare_pairs): No longer sort on the elements in each pair.
10736         Instead break ties with the index of the coalesce pair.
10737
10738 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10739
10740         PR target/70002
10741         * config/aarch64/aarch64-protos.h
10742         (aarch64_save_restore_target_globals): New prototype.
10743         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10744         Call the above when popping pragma.
10745         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10746         New function.
10747         (aarch64_set_current_function): Rewrite using the above.
10748
10749 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10750
10751         PR tree-optimization/70177
10752         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10753         (extract_ops_from_tree): ... this.  In the 2 argument
10754         overload remove _1 suffix.
10755         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10756         (extract_ops_from_tree): ... this.
10757         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10758         Adjust callers.
10759         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10760         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10761         extract_ops_from_tree instead of 2 operand one.
10762
10763 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10764
10765         PR tree-optimization/70013
10766         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10767         for constant-pool entries.
10768
10769 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10770
10771         PR rtl-optimization/70174
10772         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10773         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10774
10775         PR tree-optimization/70169
10776         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10777         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10778         for unknown codes.
10779
10780 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10781             Jakub Jelinek  <jakub@redhat.com>
10782
10783         PR target/70160
10784         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10785         of uninitialized values.
10786
10787 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10788
10789         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10790         define_expand.
10791         ("*trunctddd2"): New pattern definition.
10792         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10793         TD->DD truncation.
10794
10795 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10796
10797         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10798         definitions for BFP and DFP rounding modes.
10799         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10800         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10801         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10802         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10803         numbers.
10804
10805 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10806
10807         * config/s390/constraints.md: Adjust comment.
10808         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10809         s390_decompose_addrstyle_without_index.
10810         * config/s390/predicates.md (shift_count_or_setmem_operand):
10811         Rename to setmem_operand.
10812         * config/s390/s390-protos.h
10813         (s390_decompose_shift_count): Rename to
10814         s390_decompose_addrstyle_without_index.
10815         * config/s390/s390.c (s390_decompose_shift_count)
10816         (s390_mem_constraint, print_shift_count_operand)
10817         (print_operand_address, print_operand): Rename
10818         s390_decompose_shift_count to
10819         s390_decompose_addrstyle_without_index and rename
10820         print_shift_count_operand to print_addrstyle_operand troughout the
10821         file.
10822         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10823         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10824         Rename shift_count_or_setmem_operand to setmem_operand.
10825         * config/s390/vx-builtins.md ("vec_insert<mode>")
10826         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10827         nonmemory_operand.
10828
10829 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10830
10831         PR target/70168
10832         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10833         Handle overlapping retval and newval.
10834
10835 2016-03-10  Nick Clifton  <nickc@redhat.com>
10836
10837         PR target/7044
10838         * config/aarch64/aarch64.c
10839         (aarch64_override_options_after_change_1): When forcing
10840         flag_omit_frame_pointer to be true, use a special value that can
10841         be detected if this function is called again, thus preventing
10842         flag_omit_leaf_frame_pointer from being forced to be false.
10843
10844 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10845
10846         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10847         Set x_flag_omit_leaf_frame_pointer when handling
10848         -momit-leaf-frame-pointer.
10849
10850 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10851
10852         PR lto/69589
10853         * cgraph.c (cgraph_node::dump): Dump split_part and
10854         indirect_call_target.
10855         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10856         * ipa.c (has_addr_references_p): Cleanup.
10857         (is_indirect_call_target_p): New.
10858         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10859         called indirectly as local.
10860         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10861
10862 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10863
10864         PR ipa/69630
10865         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10866         on cxa_pure_virtual.
10867
10868 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10869
10870         PR lto/69589
10871         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10872
10873 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10874
10875         PR lto/69589
10876         * tree.c (need_assembler_name_p): Only record main variant type names.
10877
10878 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10879
10880         PR target/70113.
10881         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10882         Always define to 0 or 1.
10883         (TARGET_FIX_ERR_A53_843419): New macro.
10884         * config/aarch64/aarch64-elf-raw.h
10885         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10886         * config/aarch64/aarch64-linux.h: Likewise.
10887         * config/aarch64/aarch64.c
10888         (aarch64_override_options_after_change_1): Do not default
10889         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10890         843419 is on.
10891         (aarch64_attributes): Handle fix-cortex-a53-843419.
10892         (aarch64_can_inline_p): Likewise.
10893         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10894
10895 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10896         Jakub Jelinek <jakub@redhat.com>
10897
10898         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10899         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10900         DECL_COMMONS if flag_unconstrained_commons is set.
10901         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10902         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10903         (funconstrained-commons): Document.
10904
10905 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10906
10907         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10908         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10909
10910 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10911
10912         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10913         has a proper number of elements.
10914
10915 2016-03-10  Alan Modra  <amodra@gmail.com>
10916
10917         PR rtl-optimization/69195
10918         PR rtl-optimization/47992
10919         * ira.c (recorded_label_ref): Delete.
10920         (update_equiv_regs): Return void.
10921         (indirect_jump_optimize): New function.
10922         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10923         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10924         Delete update_regstat.
10925
10926 2016-03-10  Richard Biener  <rguenther@suse.de>
10927
10928         PR tree-optimization/70128
10929         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10930         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10931
10932 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10933
10934         PR tree-optimization/70152
10935         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10936         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10937
10938         PR target/70086
10939         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10940         instead of gen_sse2_loadlpd.
10941         * config/i386/sse.md (*vec_concatv2df): Rename to...
10942         (vec_concatv2df): ... this.
10943
10944         PR tree-optimization/70127
10945         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10946
10947 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10948
10949         PR c/68473
10950         PR c++/70105
10951         * diagnostic-show-locus.c (compatible_locations_p): New function.
10952         (layout::layout): Sanitize ranges using compatible_locations_p.
10953
10954 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10955
10956         PR c/68473
10957         PR c++/70105
10958         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10959         location_range param with three const expanded_locations * and a
10960         bool.
10961         (layout::layout): Replace call to
10962         rich_location::lazily_expand_location with get_expanded_location.
10963         Extract the range and perform location expansion here, passing
10964         the results to the layout_range ctor.
10965         * diagnostic.c (source_range::debug): Delete.
10966         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10967         of rich_location::get_expanded_location.
10968         * gcc-rich-location.c (get_range_for_expr): Delete.
10969         (gcc_rich_location::add_expr): Reimplement to avoid the
10970         rich_location::add_range overload that took a location_range,
10971         passing a location_t instead.
10972
10973 2016-03-09  Richard Biener  <rguenther@suse.de>
10974         Jakub Jelinek  <jakub@redhat.com>
10975
10976         PR tree-optimization/70138
10977         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10978         Also skip vect_double_reduction_def.
10979
10980 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10981
10982         PR target/70049
10983         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10984         if the operand is "m".
10985
10986 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10987
10988         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10989
10990 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10991
10992         * config/i386/i386.c (processor_target_table): Fix cost table
10993         intialization order for znver1.
10994
10995 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10996
10997         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10998         - becuase -> because.
10999         * ipa-reference.c (ignore_module_statics): Likewise.
11000         * cgraph.c (cgraph_node::get_body): Likewise.
11001         * ipa-inline.c (early_inliner): Likewise.
11002         * ipa-devirt.c (types_same_for_odr): Likewise.
11003         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
11004         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
11005
11006 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11007
11008         * tree-ssa-math-opts.c: Fix typo in comment.
11009
11010 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
11011
11012         PR target/70110
11013         * config/i386/i386.c (scalar_chain::make_vector_copies,
11014         scalar_chain::convert_reg): Call end_sequence in between
11015         get_insns and emit_conversion_insns rather than after both
11016         calls.
11017
11018 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
11019
11020         PR target/70064
11021         * config/i386/i386.h (machine_function): Add
11022         pc_thunk_call_expanded flag.
11023         (ix86_pc_thunk_call_expanded): New define.
11024         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
11025         (*set_got): Rename insn pattern from set_got.
11026         (*set_got_labelled): Rename inst pattern from set_got_labelled.
11027         * config/i386/i386.c (ix86_compute_frame_layout): Use
11028         ix86_pc_thunk_call_expanded to prevent red-zone.
11029
11030 2016-03-07  Martin Jambor  <mjambor@suse.cz>
11031
11032         * hsa.h (hsa_get_ctor_statements): Declare.
11033         (hsa_get_dtor_statements): Likewise.
11034         (hsa_get_kernel_dispatch_type): Likewise.
11035         * hsa.c (hsa_get_ctor_statements): New function.
11036         (hsa_get_dtor_statements): Likewise.
11037         (hsa_get_kernel_dispatch_type): Likewise.
11038         * hsa-brig.c (hsa_cdtor_statements): Removed.
11039         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
11040         hsa_get_dtor_statements.
11041         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
11042         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
11043
11044 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11045
11046         * config/arm/arm-cores.def (cortex-r8): New.
11047         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
11048         * config/arm/arm-tune.md: Likewise.
11049         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
11050
11051 2016-03-07  Martin Sebor  <msebor@redhat.com>
11052
11053         PR rtl-optimization/19705
11054         * doc/invoke.texi (Options That Control Optimization): Clarify
11055         -fno-branch-count-reg.
11056
11057 2016-02-26  Richard Biener  <rguenther@suse.de>
11058             Jeff Law  <law@redhat.com>
11059
11060         PR tree-optimization/69740
11061         * cfghooks.c (remove_edge): Request loop fixups if we delete
11062         an edge that might turn an irreducible loop into a natural
11063         loop.
11064         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
11065         Move after definition of loops_state_clear.
11066
11067 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
11068
11069         PR rtl-optimization/69052
11070         * rtlanal.c (commutative_operand_precedence): Set higher precedence
11071         to CONST_WIDE_INT.
11072
11073 2016-03-07  Tom de Vries  <tom@codesourcery.com>
11074
11075         PR tree-optimization/70116
11076         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
11077         is_tm_ending stmts and ubsan/asan internal functions.
11078         (find_duplicate): Use it.  Don't test is_tm_ending here.
11079
11080 2016-03-07  Richard Biener  <rguenther@suse.de>
11081
11082         PR tree-optimization/70115
11083         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
11084         (propagate_constants_for_unrolling): Use replace_uses_by.
11085
11086 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
11087
11088         PR middle-end/69916
11089         * omp-low.c (struct oacc_loop): Add ifns.
11090         (new_oacc_loop_raw): Initialize it.
11091         (finish_oacc_loop): Clear mask & flags if no ifns.
11092         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
11093         (oacc_loop_xform_loop): Add ifns arg & adjust.
11094         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
11095
11096 2016-03-07  Richard Henderson  <rth@redhat.com>
11097
11098         PR rtl-opt/70061
11099         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
11100         (insert_value_copy_on_edge): Likewise.
11101
11102 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11103
11104         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
11105
11106 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11107
11108         PR target/62281
11109         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
11110
11111 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11112
11113         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
11114
11115 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
11116
11117         Fix sseimul type attribute.
11118         * config/i386/znver1.md
11119         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
11120         znver1_sseimul_avx256_load) : Fix the type attribute.
11121         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
11122         pipe usage and latency.
11123
11124 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
11125
11126         PR c++/70084
11127         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
11128         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
11129         to the right type.
11130
11131 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11132
11133         PR c/69973
11134         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
11135
11136         PR rtl-optimization/69941
11137         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
11138         the reg share its mode.
11139
11140 2016-03-04  Jeff Law  <law@redhat.com>
11141
11142         PR tree-optimization/69196
11143         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11144         If the both SSA_NAMEs are anonymous, then consider them unassociated
11145         and include the PHI in the statement count.
11146
11147 2016-03-05  Tom de Vries  <tom@codesourcery.com>
11148
11149         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
11150         construct in oacc routine.  Check for oacc region in oacc routine.
11151
11152 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11153
11154         PR target/70062
11155         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
11156         2016-02-22 changes, instead don't recurse if RECUR is already true.
11157         Don't change *dynamic_check if RECUR.  Adjust recursive caller
11158         to pass true to the new argument.
11159         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
11160
11161         PR target/70059
11162         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
11163         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
11164         fixes.
11165         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
11166
11167 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
11168
11169         PR rtl-optimization/57676
11170         * lra-assigns.c (lra_assign): Guard test for maximum iterations
11171         with flag_checking.
11172
11173 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
11174
11175         * tree-vect-patterns.c (search_type_for_mask): Handle
11176         comparison of booleans.
11177
11178 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
11179
11180         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
11181         Fix @xref usage.
11182
11183         PR debug/69947
11184         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
11185         all other ops that have dw_val_class_die_ref operands,
11186         and DW_OP_GNU_entry_value.
11187
11188 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11189
11190         PR rtl-optimization/69904
11191         * config/arm/arm.c (arm_cannot_copy_insn_p):
11192         Return true for load-exclusive instructions.
11193
11194 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
11195
11196         PR target/70021
11197         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
11198         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
11199         the pattern no matter if it is used just by non-pattern, pattern
11200         or mix thereof.
11201         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
11202         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
11203         oprnd1 def_stmt is in pattern, don't look through it.
11204
11205 2016-03-03  Marek Polacek  <polacek@redhat.com>
11206
11207         PR middle-end/70050
11208         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
11209
11210 2016-03-03  Martin Liska  <mliska@suse.cz>
11211
11212         PR tree-optimization/70043
11213         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
11214         previous statement if we see a debug statement.
11215
11216 2016-03-03  Richard Biener  <rguenther@suse.de>
11217
11218         PR tree-optimization/55936
11219         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
11220         parameter and guard unsafe equivalence use.
11221         (vrp_evaluate_conditional_warnv_with_ops): Always use
11222         safe equivalences but not via the quadratic compare_names
11223         helper.
11224
11225 2016-03-03  Michael Collison  <michael.collison@linaro.org>
11226
11227         PR target/70014
11228         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
11229         for operand 1 to s_register_operand. Change predicate for operand
11230         2 to arm_not_immediate_operand.
11231
11232 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
11233
11234         * doc/tm.texi: Regenerated.
11235
11236 2016-03-02  Richard Henderson  <rth@redhat.com>
11237
11238         PR rtl-opt/67145
11239         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
11240         simplification when all args are positive non-fixed registers.
11241
11242 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11243
11244         * target.def (lra_p): Specify that new ports should use LRA.
11245
11246 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11247
11248         PR libgomp/69555
11249         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
11250         gimplify_type_sizes the type they refer to.
11251         (omp_notice_variable): Handle reference vars to VLAs.
11252         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
11253         reference to VLA decls in the second pass instead of first pass.
11254
11255 2016-03-02  Tom de Vries  <tom@codesourcery.com>
11256
11257         PR tree-optimization/68659
11258         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
11259         new_expr == NULL_TREE.
11260         (get_new_name): Handle ADDR_EXPR.
11261
11262 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
11263
11264         PR rtl-optimization/69052
11265         * loop-invariant.c (canonicalize_address): New function.
11266         (inv_can_prop_to_addr_use): Check validity of address expression
11267         which is canonicalized by above function.
11268
11269 2016-03-02  Alan Modra  <amodra@gmail.com>
11270
11271         PR ipa/69990
11272         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
11273         larger alignment.
11274
11275 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
11276
11277         PR target/70028
11278         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
11279         (*movhi_internal): Put mask moves from and to memory separately
11280         from moves from/to GPRs.
11281
11282 2016-03-02  Richard Biener  <rguenther@suse.de>
11283
11284         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
11285         GENERIC expressions in GIMPLE.
11286
11287 2016-03-02  Richard Biener  <rguenther@suse.de>
11288
11289         * config/i386/i386.c (type_natural_mode): Fix typo.
11290
11291 2016-03-02  Nick Clifton  <nickc@redhat.com>
11292
11293         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
11294
11295 2016-03-02  Richard Biener  <rguenther@suse.de>
11296             Uros Bizjak  <ubizjak@gmail.com>
11297
11298         PR target/67278
11299         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
11300
11301 2016-03-02  Richard Biener  <rguenther@suse.de>
11302
11303         PR middle-end/67278
11304         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
11305
11306 2016-03-02  Marek Polacek  <polacek@redhat.com>
11307
11308         PR c/67854
11309         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
11310         "is promoted to" warning.
11311
11312 2016-03-01  DJ Delorie  <dj@redhat.com>
11313
11314         * config.gcc: Deprecate mep-*.
11315
11316 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
11317
11318         PR middle-end/70025
11319         * lra-constraints.c (regno_val_use_in): New.
11320         (match_reload): Use it instead of regno_use_in.
11321
11322 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11323
11324         PR rtl-optimization/70007
11325         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
11326         references present in REG_EQUAL notes attached to non-SET patterns.
11327
11328 2016-03-01  Jeff Law  <law@redhat.com>
11329
11330         PR tree-optimization/69196
11331         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11332         Appropriately clamp the number of statements to copy when the
11333         thread path does not traverse a loop backedge.
11334
11335         PR tree-optimization/69196
11336         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11337         Do count some PHIs in the thread path against the insn count.  Decrease
11338         final statement count by one as the control statement in the last
11339         block will get removed.  Remove special cased code for handling PHIs
11340         in the last block.
11341
11342 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
11343
11344         PR target/70027
11345         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
11346         asm dialect alternatives to explicit GOTPCREL calls.
11347
11348 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
11349
11350         PR ada/70017
11351         * ira.c (do_reload): Issue warning for generic stack checking here...
11352         * reload1.c (reload): ...instead of here and streamline it.
11353
11354 2016-03-01  Nick Clifton  <nickc@redhat.com>
11355
11356         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
11357
11358 2016-03-01  Richard Biener  <rguenther@suse.de>
11359
11360         PR tree-optimization/69983
11361         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
11362         types and fall back to operand_equal_p.
11363
11364 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11365
11366         Revert
11367         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11368
11369         * config/s390/constraints.md ("jm8"): New constraint.
11370         * config/s390/predicates.md ("const_int_8bitset_operand"): New
11371         predicate.
11372         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11373         into ...
11374         ("*setmem_long<setmem_and>"): New pattern.
11375         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
11376         into ...
11377         ("*setmem_long_31z<setmem_and>"): New pattern.
11378         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
11379         New substitution rules with the required attributes.
11380
11381
11382 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11383
11384         Revert
11385         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11386
11387         * gensupport.c (process_substs_on_one_elem): Split loop to
11388         complete mark_operands_used_in_match_dup on all expressions in the
11389         vector first.
11390         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11391         and remove function.
11392
11393 2016-03-01  Richard Biener  <rguenther@suse.de>
11394
11395         PR middle-end/70022
11396         * fold-const.c (fold_indirect_ref_1): Fix range checking for
11397         vector BIT_FIELD_REF extract.
11398
11399 2016-03-01  Richard Biener  <rguenther@suse.de>
11400
11401         PR tree-optimization/69994
11402         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
11403
11404 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
11405
11406         PR tree-optimization/69956
11407         * tree-vect-stmts.c (supportable_widening_operation): Support
11408         multi-step conversion of boolean vectors.
11409         (supportable_narrowing_operation): Likewise.
11410
11411 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11412
11413         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
11414         anymore.
11415
11416 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11417
11418         * config/s390/subst.md (DSI_VI): New mode iterator.
11419         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
11420         * config/s390/vector.md ("vec_set<mode>"): Move expander before
11421         the insn definition.
11422         ("*vec_set<mode>"): Change predicate and add alternative to
11423         support only either register or const_int operands as element
11424         selector.
11425         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
11426         operands.
11427         ("vec_extract<mode>"): New expander.
11428         ("*vec_extract<mode>"): New insn definition supporting reg and
11429         const_int element selectors.
11430         ("*vec_extract<mode>_plus"): New insn definition supporting
11431         reg+const_int element selectors.
11432         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
11433         following expander+insn definition.
11434         ("<vec_shifts_name><mode>3"): New expander.
11435         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
11436
11437 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11438
11439         * config/s390/s390.md ("*tabort_1"): Change predicate to
11440         nonmemory_operand.  Add a second alternative to cover
11441         register as well as const int operands.
11442         ("*tabort_1_plus"): New pattern definition.
11443
11444 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11445
11446         * config/s390/s390.md ("*ashrdi3_cc_31")
11447         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
11448         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
11449         Merge insn definitions into ...
11450         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11451         New pattern definition.
11452         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
11453         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
11454         ("*ashr<mode>3_and"): Merge insn definitions into ...
11455         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11456         New pattern definition.
11457         * config/s390/subst.md ("addr_style_op_cc_subst")
11458         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11459         substitutions patterns plus attributes.
11460         Add ashiftrt to SUBST iterator.
11461
11462 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11463
11464         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11465         op2 to nonmemory_operand.
11466         ("*<shift>di3_31", "*<shift>di3_31_and"):
11467         Merge into single pattern definition ...
11468         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11469         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11470         pattern definition ...
11471         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11472         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11473         iterator.
11474
11475 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11476
11477         * config/s390/predicates.md (const_int_6bitset_operand): New
11478         predicate.
11479         * config/s390/s390.md: Include subst.md.
11480         ("rotl<mode>3"): New expander.
11481         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11482         ...
11483         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11484         * config/s390/subst.md: New file.
11485
11486 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11487
11488         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11489         Remove RRR type.  It doesn't really exist.
11490         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11491         attributes.
11492         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11493         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11494         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11495         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11496         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11497         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11498         `enabled' attribute.
11499
11500 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11501
11502         * gensupport.c (process_substs_on_one_elem): Split loop to
11503         complete mark_operands_used_in_match_dup on all expressions in the
11504         vector first.
11505         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11506         and remove function.
11507
11508 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11509
11510         PR target/69706
11511         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11512         (CEIL_NWORDS): ...this.  Use CEIL macro.
11513         (compute_fp_layout): Adjust to above renaming.
11514         (function_arg_union_value): Likewise.
11515         (sparc_arg_partial_bytes): Likewise.
11516         (sparc_function_arg_advance): Likewise.
11517
11518 2016-02-29  Jeff Law  <law@redhat.com>
11519
11520         PR tree-optimization/70005
11521         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11522         where an object with a boolean range is compared against a value
11523         outside [0..1].
11524
11525         PR tree-optimization/69999
11526         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11527         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11528         loop cleanups.
11529
11530 2016-02-29  Richard Biener  <rguenther@suse.de>
11531
11532         PR tree-optimization/69994
11533         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11534         (get_unary_op): Look through nop conversions.
11535         (ops_equal_values_p): New function, look for equality diregarding
11536         nop conversions.
11537         (eliminate_plus_minus_pair): Use ops_equal_values_p
11538         (repropagate_negates): Do not use get_unary_op here.
11539
11540 2016-02-29  Martin Liska  <mliska@suse.cz>
11541
11542         * system.h: Poison ENABLE_CHECKING macro.
11543
11544 2016-02-29  Martin Liska  <mliska@suse.cz>
11545
11546         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11547         is presented in dump flags.
11548         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11549         (hsa_regalloc): Likewise.
11550
11551 2016-02-19  Richard Biener  <rguenther@suse.de>
11552
11553         PR tree-optimization/69980
11554         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11555         permutation of those we need to keep.
11556
11557 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11558
11559         PR target/69706
11560         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11561         (NWORDS_UP): ...this
11562         (init_cumulative_args): Minor tweaks.
11563         (sparc_promote_function_mode): Likewise.
11564         (scan_record_type): Delete.
11565         (traverse_record_type): New function template.
11566         (classify_data_t): New structure type.
11567         (classify_registers): New inline function.
11568         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11569         exhausted.  Instantiate traverse_record_type on classify_registers and
11570         deal with the case of a structure passed in slot #15 with no FP field
11571         in the first word.
11572         (assign_data_t): New structure type.
11573         (compute_int_layout): New static function.
11574         (compute_fp_layout): Likewise.
11575         (count_registers): New inline function.
11576         (assign_int_registers): New static function.
11577         (assign_fp_registers): Likewise.
11578         (assign_registers): New inline function.
11579         (function_arg_record_value_1): Delete.
11580         (function_arg_record_value_2): Likewise.
11581         (function_arg_record_value_3): Likewise.
11582         (function_arg_record_value): Adjust to above changes.  Instantiate
11583         traverse_record_type on count_registers to first count the number of
11584         registers to be used and then on assign_registers to assign them.
11585         (function_arg_union_value): Adjust to above renaming.
11586         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11587         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11588         case of a structure passed in slot #15
11589         (sparc_function_arg_advance): Likewise.
11590         (function_arg_padding): Minor tweak.
11591
11592 2016-02-29  Richard Biener  <rguenther@suse.de>
11593
11594         PR tree-optimization/69720
11595         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11596         the adjustment_def path for possibly vectorized defs.
11597         (vect_create_epilog_for_reduction): Handle vectorized initial
11598         defs properly.
11599
11600 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11601
11602         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11603
11604 2016-02-27  Jeff Law  <law@redhat.com>
11605
11606         Revert
11607         2016-02-26  Richard Biener  <rguenther@suse.de>
11608                     Jeff Law  <law@redhat.com>
11609
11610         PR tree-optimization/69740
11611         * cfghooks.c (remove_edge): Request loop fixups if we delete
11612         an edge that might turn an irreducible loop into a natural
11613         loop.
11614
11615 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11616
11617         PR rtl-optimization/69896
11618         * tree-vect-generic.c (get_compute_type): Avoid single element
11619         vector types.
11620
11621 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11622
11623         Rename the AArch64 tuning option and related functions to enable the
11624         Newton series for the reciprocal square root to reflect its
11625         approximative characteristic.
11626
11627         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11628         function to "aarch64_emit_approx_rsqrt".
11629         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11630         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11631         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11632         (xgene1_tunings): Likewise.
11633         (use_rsqrt_p): Likewise.
11634         (aarch64_emit_swrsqrt): Use new function name.
11635         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11636         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11637         text explaining this option.
11638         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11639
11640 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11641
11642         PR target/69969
11643         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11644         complain about -mallow-movmisalign without -mvsx if
11645         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11646
11647 2016-02-26  Joel Sherrill  <joel@rtems.org>
11648
11649         * config.gcc: Add x86_64-*-rtems*.
11650         * config/i386/rtems-64.h: New file.
11651
11652 2016-02-26  Joel Sherrill  <joel@rtems.org>
11653
11654         * config.gcc: Add aarch64-*-rtems*.
11655         * config/aarch64/rtems.h: New file.
11656
11657 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11658
11659         PR target/69946
11660         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11661         shift amount using %h.  Add comment.
11662
11663 2016-02-26  Richard Biener  <rguenther@suse.de>
11664             Jeff Law  <law@redhat.com>
11665
11666         PR tree-optimization/69740
11667         * cfghooks.c (remove_edge): Request loop fixups if we delete
11668         an edge that might turn an irreducible loop into a natural
11669         loop.
11670
11671 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11672
11673         PR middle-end/69920
11674         * tree-sra.c (sra_modify_assign): Do not remove loads of
11675         uninitialized aggregates to SSA_NAMEs.
11676
11677 2016-02-26  Richard Henderson  <rth@redhat.com>
11678
11679         PR target/69709
11680         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11681         pseudo in case the target rtx matches the source of the left
11682         shift.
11683
11684 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11685
11686         PR hsa/69568
11687         * hsa.h (hsa_type_packed_p): Declare.
11688         * hsa.c (hsa_type_packed_p): New function.
11689         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11690         loads.
11691         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11692         * hsa-brig.c (emit_basic_insn): Likewise.
11693
11694 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11695
11696         pr hsa/69674
11697         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11698         pointers.
11699         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11700
11701 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11702
11703         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11704         hsa_op_with_type operands.
11705         (hsa_unsigned_type_for_type): Declare.
11706         * hsa.c (hsa_unsigned_type_for_type): New function.
11707         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11708         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11709         the finalizer.  Do not emit extra move.
11710
11711 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11712
11713         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11714         atomic operations in private segment.
11715
11716 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11717
11718         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11719         statements to wi->info.  Also disallow omp simd constructs.
11720         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11721         for not gridifying.  Dump special string for omp_for.
11722
11723 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11724
11725         PR target/69245
11726         * config/aarch64/aarch64.c (aarch64_set_current_function):
11727         Save/restore target globals when switching to
11728         target_option_default_node.
11729
11730 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11731
11732         PR target/69613
11733         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11734         Return 0 if !SHIFT_COUNT_TRUNCATED.
11735
11736 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11737             Eric Botcazou  <ebotcazou@adacore.com>
11738
11739         PR rtl-optimization/69891
11740         * dse.c (scan_insn): If we can't figure out memset arguments
11741         or they are non-constant, call clear_rhs_from_active_local_stores.
11742
11743 2016-02-26  Martin Liska  <mliska@suse.cz>
11744
11745         * doc/extend.texi: Mention clog10, clog10f an clog10l
11746         in Builtins section.
11747
11748 2016-02-26  Martin Liska  <mliska@suse.cz>
11749
11750         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11751         CHECKING_P.
11752         (resolve_args_picking_1): Likewise.
11753         * dwarf2out.h (struct GTY): Likewise.
11754
11755 2016-02-26  Martin Liska  <mliska@suse.cz>
11756
11757         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11758         with flag_checking.
11759         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11760
11761 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11762             Martin Liska  <mliska@suse.cz>
11763
11764         * doc/install.texi: Mention --enable-valgrind-annotations.
11765
11766 2016-02-26  Richard Biener  <rguenther@suse.de>
11767
11768         PR tree-optimization/69551
11769         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11770         looking through aliases adjust DECL_PT_UID to refer to the
11771         ultimate alias target.
11772
11773 2016-02-25  Martin Liska  <mliska@suse.cz>
11774
11775         PR middle-end/69919
11776         * alloc-pool.c (after_memory_report): New variable.
11777         * alloc-pool.h (base_pool_allocator ::release): Do not use
11778         the infrastructure if after_memory_report.
11779         * toplev.c (toplev::main): Mark after memory report.
11780
11781 2016-02-25  Richard Biener  <rguenther@suse.de>
11782
11783         PR tree-optimization/48795
11784         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11785
11786 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11787
11788         PR driver/68463
11789         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11790         offloading is enabled and -fopenacc or -fopenmp is specified.
11791         (CRTOFFLOADEND): Likewise.
11792         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11793         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11794         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11795         (offload_objects_file_name): New static var.
11796         (tool_cleanup): Remove offload_objects_file_name file.
11797         (find_offloadbeginend): Replace with ...
11798         (find_crtoffloadtable): ... this.
11799         (run_gcc): Remove offload_argc and offload_argv.
11800         Get offload_objects_file_name from -foffload-objects=... option.
11801         Read names of object files with offload from this file, pass them to
11802         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11803         don't pass offloadbegin and offloadend to the linker.  Don't pass
11804         offload non-LTO files to the linker, because now they're not claimed.
11805
11806 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11807
11808         PR ipa/69630
11809         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11810         on builtin_unreachable.
11811
11812 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11813
11814         PR rtl-optimization/69896
11815         * regcprop.c: Include cfgrtl.h.
11816         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11817         than remembered mode, either delete it (if noop_move_p), or
11818         treat like copy_p but not noop_p instruction.
11819
11820 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11821
11822         PR debug/69705
11823         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11824         - allow NULL decl for Fortran DW_TAG_common_block variables.
11825
11826 2016-02-24  Jason Merrill  <jason@redhat.com>
11827
11828         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11829
11830 2016-02-24  Richard Biener  <rguenther@suse.de>
11831             Jakub Jelinek  <jakub@redhat.com>
11832
11833         PR middle-end/69760
11834         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11835         conditionally executed ops to well-defined overflow behavior.
11836
11837 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11838
11839         PR middle-end/69915
11840         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11841         elements.
11842
11843 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11844
11845         PR rtl-optimization/69886
11846         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11847         argument.  Use it when checking validity of set instructions.
11848         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11849         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11850         callsite.
11851         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11852         * store-motion.c (find_moveable_store): Update
11853         can_assign_to_reg_without_clobbers_p callsite.
11854
11855 2016-02-24  Richard Biener  <rguenther@suse.de>
11856
11857         PR middle-end/68963
11858         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11859         bogus check.
11860         (record_nonwrapping_iv): Do not fall back to the low/high bound
11861         for non-constant IV bases if the stmt is not always executed.
11862
11863 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11864
11865         * config/arm/arm-cores.def (cortex-a32): New entry.
11866         * config/arm/arm-tables.opt: Regenerate.
11867         * config/arm/arm-tune.md: Regenerate.
11868         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11869         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11870         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11871         for -mcpu and -mtune.
11872
11873 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11874
11875         PR target/69875
11876         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11877         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11878         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11879         (atomic_loaddi_1): Delete.
11880         (atomic_loaddi): Rewrite expander using the above changes.
11881
11882 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11883
11884         PR c/69918
11885         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11886         2 to 3.
11887
11888 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11889             Richard Biener  <rguenth@suse.de>
11890
11891         PR middle-end/69909
11892         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11893         set_mem_attributes if tem is SSA_NAME which got expanded
11894         as a MEM.
11895
11896 2016-02-24  Richard Biener  <rguenther@suse.de>
11897
11898         PR tree-optimization/69907
11899         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11900         end of permutations for BB vectorization.
11901
11902 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11903
11904         * config/arm/arm-c.c (arm_option_override): Initialize
11905         target_option_current_node.
11906         * config/arm/arm.c (arm_pragma_target_parse): Replace
11907         build_target_option_node call by target_option_current_node.
11908         Set target_option_current_node.
11909         Fix comments.
11910
11911 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11912
11913         PR target/69810
11914         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11915         define_insn_and_split to define_insn.
11916         (zero_extendqi<mode>2_dot2): Same.
11917         (extendqi<mode>2_dot): Same.
11918         (extendqi<mode>2_dot2): Same.
11919
11920 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11921
11922         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11923         and add bypass for AES{D,E} and AESMC pairs.
11924         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11925         and AESMC pairs.
11926
11927 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11928
11929         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11930         series for reciprocal square root in Exynos M1.
11931
11932 2016-02-23  Martin Sebor  <msebor@redhat.com>
11933
11934         PR c/69759
11935         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11936         __builtin_alloca_with_align.
11937
11938 2016-02-23  Richard Henderson  <rth@redhat.com>
11939
11940         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11941         (ix86_register_pragmas): Remove __seg_tls.
11942         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11943         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11944         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11945         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11946         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11947         * doc/extend.texi (__seg_tls): Remove item.
11948
11949 2016-02-23  Richard Biener  <rguenther@suse.de>
11950
11951         * alloc-pool.h (struct allocation_object): Make id member
11952         conditional on CHECKING_P again.
11953         (get_instance): Adjust.
11954         (base_pool_allocator): Likewise.
11955
11956 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11957
11958         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11959         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11960         zero.
11961         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11962         flag_openacc.
11963         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11964
11965 2016-02-23  Richard Biener  <rguenther@suse.de>
11966
11967         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11968         * bitmap.h (struct bitmap_usage): Likewise.
11969         (bitmap_move): Declare.
11970         * bitmap.c (register_overhead): Take size_t argument.
11971         (bitmap_move): New function.
11972         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11973         to properly account overhead.
11974         * tree.c (free_node): Use tree_size.
11975
11976 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11977
11978         PR c++/69902
11979         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11980         when inverting comparison.
11981
11982         PR c/69900
11983         * common.opt (Wunreachable-code): Add Warning flag.
11984
11985 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11986             Jakub Jelinek  <jakub@redhat.com>
11987
11988         PR c/69911
11989         * cgraphunit.c (check_global_declaration): Check main_input_filename
11990         and DECL_SOURCE_FILE are not NULL.
11991
11992 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11993
11994         PR tree-optimization/69666
11995         * tree-sra.c (sra_modify_assign): Do not attempt to create
11996         default_def replacements for unscalarizable regions.
11997
11998 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11999
12000         PR c/28901
12001         * cgraphunit.c (check_global_declaration): Check level of
12002         warn_unused_const_variable and main_input_filename.
12003         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
12004         (-Wunused-variable): For C implies -Wunused-const-variable=1.
12005         (-Wunused-const-variable): Explain levels 1 and 2.
12006
12007 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12008
12009         PR target/69888
12010         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
12011         identical arguments.  Formatting and spelling fixes.
12012
12013         PR target/69885
12014         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
12015         be specified.
12016
12017         PR target/69894
12018         PR target/69895
12019         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
12020         and m68k-devices.def.
12021         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
12022         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
12023
12024 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
12025
12026         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
12027         and HImode registers.
12028
12029 2016-02-22  Richard Biener  <rguenther@suse.de>
12030
12031         PR tree-optimization/69882
12032         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
12033         preserve permutations present because of gaps.
12034         (vect_supported_load_permutation_p): Always continue checking
12035         permutations after vect_attempt_slp_rearrange_stmts.
12036
12037 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
12038
12039         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
12040         min_profitable_estimate, rather than min_profitable_iters.
12041
12042 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
12043
12044         PR target/69885
12045         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
12046         SImode for last match_operand.
12047
12048 2016-02-22  Martin Liska  <mliska@suse.cz>
12049
12050         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
12051         return bitsize - 1 as the return value.
12052
12053 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
12054
12055         PR target/69806
12056         PR target/54089
12057         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
12058         Handle negative shift counts.
12059         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
12060         force_reg on the shift constant.
12061         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
12062         (lshrsi3_d): Handle negative shift counts.
12063
12064 2016-02-22  Richard Biener  <rguenther@suse.de>
12065             Tom de Vries  <tom@codesourcery.com>
12066
12067         * graph.c: Include dumpfile.h.
12068         (print_graph_cfg): Split into three overloads.
12069         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
12070
12071 2016-02-22  Tom de Vries  <tom@codesourcery.com>
12072
12073         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
12074         dump-fn.
12075
12076 2016-02-22  Richard Biener  <rguenther@suse.de>
12077
12078         PR ipa/37448
12079         * ipa-inline-transform.c (inline_call): When not updating
12080         overall summaries adjust self size by the growth estimate.
12081         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
12082         hash-set, do not update overall summaries here.  Renamed from ...
12083         (inline_to_all_callers): ... this which is now wrapping the
12084         above and performing delayed overall summary update.
12085         (early_inline_small_functions): Delay updating of the overall
12086         summary.
12087
12088 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
12089
12090         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
12091         variable.
12092
12093 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12094
12095         PR driver/69805
12096         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
12097         :%* in %:gt() argument.
12098         (greater_than_spec_func): Adjust for expecting only numbers,
12099         if there are more than two numbers, compare the last two.
12100
12101 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
12102
12103         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
12104         -Wnarrowing with -std.
12105
12106 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
12107
12108         PR c++/69851
12109         * expr.c (store_field): Don't use bit-field path if exp is
12110         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
12111         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
12112         and the assignment can be performed by bitwise copy.  Formatting
12113         fix.
12114
12115         PR middle-end/69838
12116         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
12117         call copy_reg_eh_region_note_forward on before and/or after sequences
12118         and remove note from insn if it no longer can throw.
12119
12120         PR target/69820
12121         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
12122         if TARGET_AVX512BW.
12123
12124 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12125
12126         * config/s390/vector.md: Add missing commutative operand markers
12127         to the patterns which qualify for one.
12128         * config/s390/vx-builtins.md: Likewise.
12129
12130 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12131
12132         * config/s390/vector.md (VI, VI_QHS): Add single element vector
12133         types to mode iterators.
12134         (vec_double): ... and mode attribute.
12135         * config/s390/vx-builtins.md (non_vec_int): Likewise.
12136
12137 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12138
12139         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
12140         Change the predicate of op2 from nonimmediate to general and let
12141         reload fix it if necessary.
12142
12143 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12144
12145         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
12146
12147 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12148
12149         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
12150         mode.
12151
12152 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12153
12154         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
12155         * config/s390/s390.c (s390_expand_vec_movstr): New function.
12156         * config/s390/s390.md ("movstr<P:mode>"): Call
12157         s390_expand_vec_movstr.
12158
12159 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12160
12161         * config/s390/s390.md: Add missing output modifier for operand 1
12162         to print it as address properly.
12163
12164 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12165
12166         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
12167         * config/s390/2964.md: New file.
12168         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
12169         of insn grouping attributes depending on the CPU level.
12170         (s390_get_unit_mask): New function.
12171         (s390_sched_score): Remove the OOO from the scheduling macros.
12172         Add loop to calculate a score for the instruction mix.
12173         (s390_sched_reorder): Likewise plus improve debug output.
12174         (s390_sched_variable_issue): Rename macros as above.  Calculate
12175         the unit distances after actually scheduling an insn.  Improve
12176         debug output.
12177         (s390_sched_init): Clear last_scheduled_unit_distance array.
12178         * config/s390/s390.md: Include 2964.md.
12179
12180 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12181
12182         PR target/69671
12183         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
12184         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
12185         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
12186         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
12187         *avx512f_<code>v8div16qi2_mask_1): New insns.
12188
12189 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
12190
12191         PR target/68404
12192         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
12193         2016-02-09 change.
12194
12195         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
12196         earlyclobber from target.  Use wF constraint for fused memory
12197         address.
12198         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
12199
12200 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
12201             Martin Liska  <mliska@suse.cz>
12202
12203         PR sanitizer/69863
12204         * cfgexpand.c (asan_sanitize_stack_p): New function.
12205         (partition_stack_vars): Use the function.
12206         (expand_stack_vars): Likewise.
12207         (defer_stack_allocation): Likewise.
12208         (expand_used_vars): Likewise.
12209
12210 2016-02-18  Richard Biener  <rguenther@suse.de>
12211
12212         PR middle-end/69553
12213         * fold-const.c (operand_equal_p): Properly compare offsets for
12214         IMAGPART_EXPR and ARRAY_REF.
12215
12216 2016-02-18  Nick Clifton  <nickc@redhat.com>
12217
12218         PR target/62254
12219         PR target/69610
12220         * config/arm/arm.c (arm_option_override_internal): Disable
12221         interworking if the target does not support thumb instructions.
12222         (arm_reload_in_hi): Handle the case where a register to register
12223         move needs reloading because there is no simple pattern to handle
12224         it.
12225         (arm_reload_out_hi): Likewise.
12226
12227 2016-02-18  Richard Biener  <rguenther@suse.de>
12228
12229         PR middle-end/69854
12230         * match.pd: Don't use fold_binary or fold_unary for folding
12231         constants.
12232
12233 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
12234
12235         PR c++/69850
12236         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
12237         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
12238         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
12239         warn on gimple_no_warning_p statements.
12240
12241 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
12242
12243         * doc/extend.texi (C++ Attributes): Correct description of
12244         warn_unused type attribute.
12245
12246 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12247
12248         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
12249         correct instruction.
12250
12251 2016-02-17  Richard Biener  <rguenther@suse.de>
12252
12253         PR rtl-optimization/69609
12254         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
12255         (find_traces_1_round): When ending a trace update cached priority
12256         of successors.
12257         (bb_to_key): Use cached priority when available.
12258         (copy_bb): Initialize cached priority.
12259         (reorder_basic_blocks_software_trace_cache): Likewise.
12260
12261 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12262
12263         PR target/69161
12264         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
12265         New predicate.
12266         (aarch64_comparison_operator): Break overly long line into two.
12267         (aarch64_comparison_operation): Likewise.
12268         * config/aarch64/aarch64.md (cstorecc4): Use
12269         aarch64_comparison_operator_mode instead of
12270         aarch64_comparison_operator.
12271         (cstore<mode>4): Likewise.
12272         (aarch64_cstore<mode>): Likewise.
12273         (*cstoresi_insn_uxtw): Likewise.
12274         (cstore<mode>_neg): Likewise.
12275         (*cstoresi_neg_uxtw): Likewise.
12276
12277 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12278
12279         PR target/69161
12280         * config/arm/predicates.md (arm_comparison_operator_mode):
12281         New predicate.
12282         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
12283         instead of arm_comparison_operator.
12284         (*mov_negscc): Likewise.
12285         (*mov_notscc): Likewise.
12286         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
12287         (*thumb2_mov_negscc): Likewise.
12288         (*thumb2_mov_negscc_strict_it): Likewise.
12289         (*thumb2_mov_notscc): Likewise.
12290         (*thumb2_mov_notscc_strict_it): Likewise.
12291
12292 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
12293
12294         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
12295         Add missing return.
12296
12297 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
12298
12299         * config/visium/visium.c (machine_libfunc_index): New enum.
12300         (machine_libfuncs): New structure.
12301         (visium_libfuncs): New static variable.
12302         (TARGET_INIT_LIBFUNCS): Define to...
12303         (visium_init_libfuncs): ...this.  New function.
12304         (expand_block_move_4): Use the appropriate libfunc.
12305         (expand_block_move_2): Likewise.
12306         (expand_block_move_1): Likewise.
12307         (expand_block_set_4): Likewise.
12308         (expand_block_set_2): Likewise.
12309         (expand_block_set_1): Likewise.
12310         (visium_trampoline_init): Likewise.
12311
12312 2016-02-17  Nick Clifton  <nickc@redhat.com>
12313
12314         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
12315         TI's devices.csv file as of March 2016.
12316
12317 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
12318
12319         PR Target/48344
12320         * opts-global.c (handle_common_deferred_options): Introduce and
12321         initialize two global variables to remember command-line options
12322         specifying a stack-limiting register.
12323         * opts.h: Add extern declarations of the two new global variables.
12324         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
12325         variable based on the values of the two new global variables.
12326
12327 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12328
12329         PR c/69835
12330         * common.opt (Wnonnull-compare): New warning.
12331         * doc/invoke.texi (-Wnonnull): Remove text about comparison
12332         of arguments against NULL.
12333         (-Wnonnull-compare): Document.
12334         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
12335         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
12336         * passes.def (pass_warn_nonnull_compare): Add.
12337         * gimple-ssa-nonnull-compare.c: New file.
12338
12339 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12340
12341         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
12342         AARCH64_EXTRA_TUNE_RECIP_SQRT.
12343
12344 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12345
12346         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
12347         reciprocal sqrt for -mlow-precision-recip-sqrt.
12348
12349 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12350             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12351
12352         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
12353         always use lane loads to construct non-constant vectors.
12354
12355 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12356
12357         * config/aarch64/aarch64.md
12358         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
12359         constraints for operand 3.
12360         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
12361
12362 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12363             Richard Biener  <rguenther@suse.de>
12364
12365         PR tree-optimization/69820
12366         * tree-vect-patterns.c (type_conversion_p): Return false if
12367         *orig_type is unsigned single precision or boolean.
12368         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12369         Formatting fix.
12370
12371 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12372
12373         PR rtl-optimization/69764
12374         PR rtl-optimization/69771
12375         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
12376         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
12377
12378 2016-02-16  Richard Biener  <rguenther@suse.de>
12379
12380         PR tree-optimization/69776
12381         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
12382         sets from caller.
12383         (indirect_refs_may_alias_p): Likewise.
12384         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
12385         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
12386         according to tbaa_p.
12387         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
12388         (optimize_stmt): For redundant store discovery do not allow tbaa.
12389
12390 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
12391
12392         PR tree-optimization/69714
12393         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
12394         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
12395
12396 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
12397
12398         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
12399         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
12400         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
12401         * config/arc/arc.c (arc_init): Check FPU options.
12402         (get_arc_condition_code): Handle new CC_FPU* modes.
12403         (arc_select_cc_mode): Likewise.
12404         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
12405         register pair only. Allow access for ARCv2 accumulator.
12406         (gen_compare_reg): Whenever we have FPU support use FPU compare
12407         instructions.
12408         (arc_reorg): Don't generate brcc insns when FPU compare
12409         instructions are involved.
12410         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
12411         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
12412         floating point emulation.
12413         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
12414         (REVERSE_CONDITION): Add new CC_FPU* modes.
12415         (TARGET_FP_SP_BASE): Define.
12416         (TARGET_FP_DP_BASE): Likewise.
12417         (TARGET_FP_SP_FUSED): Likewise.
12418         (TARGET_FP_DP_FUSED): Likewise.
12419         (TARGET_FP_SP_CONV): Likewise.
12420         (TARGET_FP_DP_CONV): Likewise.
12421         (TARGET_FP_SP_SQRT): Likewise.
12422         (TARGET_FP_DP_SQRT): Likewise.
12423         (TARGET_FP_DP_AX): Likewise.
12424         * config/arc/arc.md (ARCV2_ACC): New constant.
12425         (type): New fpu type attribute.
12426         (SDF): Conditional iterator.
12427         (cstore<mode>, cbranch<mode>): Change expand condition.
12428         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
12429         handles FPU/FPX cases as well.
12430         * config/arc/arc.opt (mfpu): New option.
12431         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
12432         Renamed.
12433         (adddf3, muldf3, subdf3): Removed.
12434         * config/arc/predicates.md (proper_comparison_operator): Recognize
12435         CC_FPU* modes.
12436         * config/arc/fpu.md: New file.
12437         * doc/invoke.texi (ARC Options): Document mfpu option.
12438
12439 2016-02-16  Richard Biener  <rguenther@suse.de>
12440
12441         PR rtl-optimization/69291
12442         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
12443         noce_operand_ok check.
12444
12445 2016-02-16  Tom de Vries  <tom@codesourcery.com>
12446
12447         PR lto/67709
12448         * omp-low.c (simd_clone_create): Remove call to
12449         symtab->call_cgraph_insertion_hooks.
12450
12451 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12452
12453         PR tree-optimization/69802
12454         * tree-ssa-reassoc.c (update_range_test): If op is
12455         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12456         op == 1 test of precision 1 integral op, otherwise handle
12457         that case as op itself.  Fix up formatting.
12458         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12459         up formatting.
12460
12461 2016-02-16  Richard Biener  <rguenther@suse.de>
12462
12463         PR tree-optimization/69586
12464         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12465         types for conversion sources.
12466
12467 2016-02-16  Richard Biener  <rguenther@suse.de>
12468
12469         PR middle-end/69801
12470         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12471         mask OEP_ADDRESS_OF.
12472
12473 2016-02-16  Alan Modra  <amodra@gmail.com>
12474
12475         PR target/68973
12476         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12477         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12478         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12479         (p8_mtvsrwz): New.
12480         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12481         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12482         (p8_fmrgow_<mode>): Likewise.
12483         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12484         changes.
12485         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12486         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12487         to use movdi_internal64.  Remove op0_di.
12488         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12489
12490 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12491
12492         Add support for the FCCMP insn types
12493
12494         * config/aarch64/aarch64.md (fccmp): Change insn type.
12495         (fccmpe): Likewise.
12496         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12497         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12498         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12499         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12500         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12501         * config/arm/types.md (fccmps): Add new insn type.
12502         (fccmpd): Likewise.
12503
12504 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12505
12506         * alias.c (get_alias_set): Fix a typo in comment.
12507
12508 2016-02-15  Richard Biener  <rguenther@suse.de>
12509
12510         PR tree-optimization/69595
12511         * match.pd: Complete range test simplification to true.
12512
12513 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12514
12515         PR rtl-optimization/69648
12516         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12517         pic_offset_table_rtx.
12518
12519         PR rtl-optimization/69752
12520         * ira.c (update_equiv_regs): When looking for more than a single SET,
12521         also take other side effects into account.
12522
12523 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12524
12525         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12526         for z900+ CPUs in 31-bit mode.
12527
12528 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12529
12530         * common/config/s390/s390-common.c (s390_supports_split_stack):
12531         New function.
12532         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12533         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12534         * config/s390/s390.c (struct machine_function): New field
12535         split_stack_varargs_pointer.
12536         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12537         in s390_emit_prologue.
12538         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12539         vararg pointer.
12540         (morestack_ref): New global.
12541         (SPLIT_STACK_AVAILABLE): New macro.
12542         (s390_expand_split_stack_prologue): New function.
12543         (s390_live_on_entry): New function.
12544         (s390_va_start): Use split-stack vararg pointer if appropriate.
12545         (s390_asm_file_end): Emit the split-stack note sections.
12546         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12547         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12548         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12549         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12550         (split_stack_prologue): New expand.
12551         (split_stack_space_check): New expand.
12552         (split_stack_data): New insn.
12553         (split_stack_call): New expand.
12554         (split_stack_call_*): New insn.
12555         (split_stack_cond_call): New expand.
12556         (split_stack_cond_call_*): New insn.
12557
12558 2016-02-15  Richard Biener  <rguenther@suse.de>
12559
12560         PR tree-optimization/69783
12561         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12562         Add trivially correct cases.
12563
12564 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12565
12566         PR lto/69655
12567         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12568         do_force_output.
12569         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12570
12571 2016-02-15  Richard Biener  <rguenther@suse.de>
12572
12573         PR tree-optimization/69776
12574         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12575         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12576         indicate whether we can use TBAA to disambiguate against stores.
12577         Use alias-set zero if not.
12578         (visit_reference_op_store): Do not use TBAA when looking up
12579         redundant stores.
12580         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12581         (eliminate_dom_walker::before_dom_children): But not when looking
12582         up redundant stores.
12583
12584 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12585
12586         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12587
12588 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12589
12590         *  config/i386/znver1.md
12591         (znver1_pop, znver1_pop_mem,
12592         znver1_load_imov_double_store,
12593         znver1_load_imov_direct_store,
12594         znver1_load_imov_direct_load,
12595         znver1_load_imov_double_load): Add new.
12596         (znver1_insn, znver1_insn_load): Add icmov type.
12597         (znver1_sseavx_fma,
12598         znver1_sseavx_fma_load,
12599         znver1_avx256_fma,
12600         znver1_avx256_fma_load): Fix pipe usage.
12601
12602 2016-02-14  Alan Modra  <amodra@gmail.com>
12603
12604         PR target/68973
12605         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12606         with an invalid hard reg, reload just the reg not the entire
12607         pre/post-inc/dec address expression.
12608
12609 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12610
12611         PR target/67260
12612         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12613         fixed R1_REG scratch reg.
12614         (sibcall_value_pcrel_fdpic): Likewise.
12615
12616 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12617
12618         PR target/67636
12619         PR target/64345
12620         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12621
12622 2016-02-12  Walter Lee  <walt@tilera.com>
12623
12624         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12625         * config/tilegx/t-tilegx: Likewise.
12626
12627 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12628
12629         PR other/69554
12630         * diagnostic-show-locus.c (struct line_span): New struct.
12631         (layout::get_first_line): Delete.
12632         (layout::get_last_line): Delete.
12633         (layout::get_num_line_spans): New member function.
12634         (layout::get_line_span): Likewise.
12635         (layout::print_heading_for_line_span_index_p): Likewise.
12636         (layout::get_expanded_location): Likewise.
12637         (layout::calculate_line_spans): Likewise.
12638         (layout::m_first_line): Delete.
12639         (layout::m_last_line): Delete.
12640         (layout::m_line_spans): New field.
12641         (layout::layout): Update comment.  Replace m_first_line and
12642         m_last_line with m_line_spans, replacing their initialization
12643         with a call to calculate_line_spans.
12644         (diagnostic_show_locus): When printing source lines and
12645         annotations, rather than looping over a single span
12646         of lines, instead loop over each line_span within
12647         the layout, with an inner loop over the lines within them.
12648         Call the context's start_span callback when changing line spans.
12649         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12650         (diagnostic_build_prefix): Break out the building of the location
12651         part of the string into...
12652         (diagnostic_get_location_text): ...this new function, rewriting
12653         it from nested ternary expressions to a sequence of "if"
12654         statements.
12655         (default_diagnostic_start_span_fn): New function.
12656         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12657         (diagnostic_context::start_span): New field.
12658         (default_diagnostic_start_span_fn): New prototype.
12659
12660 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12661
12662         PR driver/69779
12663         * gcc.c (driver::finalize): Fix cleanup of "specs".
12664
12665 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12666
12667         PR driver/69265
12668         PR driver/69453
12669         * gcc.c (driver::driver): Initialize m_option_suggestions.
12670         (driver::~driver): Clean up m_option_suggestions.
12671         (suggest_option): Convert to...
12672         (driver::suggest_option): ...this, and split out into
12673         driver::build_option_suggestions and find_closest_string.
12674         (driver::build_option_suggestions): New function, from
12675         first half of suggest_option.  Special-case
12676         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12677         the sanitizer_opts array.  For options of enum types, add the
12678         various enum values to the candidate strings.
12679         (driver::handle_unrecognized_options): Remove "const".
12680         * gcc.h (driver::handle_unrecognized_options): Likewise.
12681         (driver::build_option_suggestions): New decl.
12682         (driver::suggest_option): New decl.
12683         (driver::m_option_suggestions): New field.
12684         * opts-common.c (add_misspelling_candidates): New function.
12685         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12686         and make non-static.
12687         * opts.h (sanitizer_opts): New array decl.
12688         (add_misspelling_candidates): New function decl.
12689         * spellcheck.c (find_closest_string): New function.
12690         * spellcheck.h (find_closest_string): New function decl.
12691
12692 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12693
12694         PR rtl-optimization/69764
12695         PR rtl-optimization/69771
12696         * optabs.c (expand_binop_directly): For shift_optab_p, force
12697         convert_modes with VOIDmode if xop1 has VOIDmode.
12698
12699 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12700
12701         PR target/69729
12702         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12703         to correctly determine instrumentation thunks.
12704
12705 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12706
12707         PR ipa/69241
12708         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12709         type by reference, force lhs on the call.
12710
12711         PR ipa/68672
12712         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12713         Compute retval and retbnd early in all cases if split_part_return_p
12714         and return_bb is not EXIT.  Remove all clobber stmts and reset
12715         all debug stmts that refer to SSA_NAMEs defined in split part,
12716         except if it is retval, in that case replace the old retval with the
12717         lhs of the call to the split part.
12718
12719 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12720
12721         revert:
12722         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12723
12724         PR middle-end/66726
12725         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12726         whose result is used in PHI.
12727         (maybe_optimize_range_tests): Likewise.
12728         (final_range_test_p): Likweise.
12729
12730 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12731
12732         PR middle-end/66726
12733         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12734         whose result is used in PHI.
12735         (maybe_optimize_range_tests): Likewise.
12736         (final_range_test_p): Likweise.
12737
12738 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12739
12740         * cgraph.c: Spelling fixes - behaviour -> behavior and
12741         neighbour -> neighbor.
12742         * target.def: Likewise.
12743         * sel-sched.c: Likewise.
12744         * config/mips/mips.c: Likewise.
12745         * config/arc/arc.md: Likewise.
12746         * config/arm/cortex-a57.md: Likewise.
12747         * config/arm/arm.c: Likewise.
12748         * config/arm/neon.md: Likewise.
12749         * config/arm/arm-c.c: Likewise.
12750         * config/vms/vms-c.c: Likewise.
12751         * config/s390/s390.c: Likewise.
12752         * config/i386/znver1.md: Likewise.
12753         * config/i386/i386.c: Likewise.
12754         * config/ia64/hpux-unix2003.h: Likewise.
12755         * config/msp430/msp430.md: Likewise.
12756         * config/rx/rx.c: Likewise.
12757         * config/rx/rx.md: Likewise.
12758         * config/aarch64/aarch64-simd.md: Likewise.
12759         * config/aarch64/aarch64.c: Likewise.
12760         * config/nvptx/nvptx.c: Likewise.
12761         * config/bfin/bfin.c: Likewise.
12762         * config/cris/cris.opt: Likewise.
12763         * config/rs6000/rs6000.c: Likewise.
12764         * target.h: Likewise.
12765         * spellcheck.c: Likewise.
12766         * ira-build.c: Likewise.
12767         * tree-inline.c: Likewise.
12768         * builtins.c: Likewise.
12769         * lra-constraints.c: Likewise.
12770         * explow.c: Likewise.
12771         * hwint.h: Likewise.
12772         * targhooks.c: Likewise.
12773         * tree-vect-data-refs.c: Likewise.
12774         * expr.c: Likewise.
12775         * doc/tm.texi: Likewise.
12776         * doc/extend.texi: Likewise.
12777         * doc/install.texi: Likewise.
12778         * doc/md.texi: Likewise.
12779         * tree-ssa-tail-merge.c: Likewise.
12780         * sched-int.h: Likewise.
12781         * match.pd: Likewise.
12782         * sched-ebb.c: Likewise.
12783         * target.def (omit_struct_return_reg): Likewise.
12784         * gimple-ssa-isolate-paths.c: Likewise.
12785         (find_implicit_erroneous_behaviour): Renamed to...
12786         (find_implicit_erroneous_behavior): ... this.
12787         (find_explicit_erroneous_behaviour): Renamed to...
12788         (find_explicit_erroneous_behavior): ... this.
12789         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12790
12791 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12792
12793         PR rtl-optimization/64682
12794         PR rtl-optimization/69567
12795         PR rtl-optimization/69737
12796         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12797         in I2 as well, just lose it.
12798
12799 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12800
12801         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12802         New variable.
12803         (aarch64_last_printed_tune_string): Likewise.
12804         (aarch64_declare_function_name): Only output .arch assembler
12805         directive if it will be different from the previously output
12806         directive.  Same for .tune comment but only if -dA is set.
12807         (aarch64_start_file): New function.
12808         (TARGET_ASM_FILE_START): Define.
12809
12810 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12811
12812         PR plugins/69758
12813         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12814
12815 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12816
12817         PR target/65313
12818         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12819         -Wmaybe-uninitialized warning.
12820
12821 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12822
12823         PR target/69713
12824         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12825
12826 2016-02-11  Richard Biener  <rguenther@suse.de>
12827
12828         PR rtl-optimization/69291
12829         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12830         subexpressions affected by changing the result.
12831
12832 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12833
12834         PR target/69148
12835         * lra-constraints.c (curr_insn_transform): Find in/out operands
12836         for secondary memory moves.  Update dups.
12837
12838 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12839
12840         PR tree-optimization/69652
12841         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12842         to nested loop, did source re-formatting, skip debug statements,
12843         add check on statement with volatile operand, remove dead scalar
12844         statements.
12845
12846 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12847             Patrick Palka  <ppalka@gcc.gnu.org>
12848
12849         PR ipa/69241
12850         PR c++/69649
12851         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12852         calls if the return type is TREE_ADDRESSABLE.
12853         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12854         * ipa-split.c (split_function): Fix doubled "we" in comment.
12855         Use void return type for the split part even if
12856         !split_point->split_part_set_retval.
12857
12858 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12859
12860         PR tree-optimization/68021
12861         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12862         when computing the value of biv cand by itself.
12863
12864 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12865
12866         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12867         (cortexa57_tunings): Likewise.
12868         (cortexa72_tunings): Likewise.
12869         (arch_macro_fusion_pair_p): Add support for AES fusion.
12870         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12871         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12872         Allow virtual registers before reload so early scheduling works.
12873         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12874         correct latency and pipeline.
12875         (cortex_a57_crypto_complex): Likewise.
12876         (cortex_a57_crypto_xor): Likewise.
12877         (define_bypass): Add AES bypass.
12878
12879 2016-02-10  Richard Biener  <rguenther@suse.de>
12880
12881         PR tree-optimization/69726
12882         * passes.def: Add DCE pass before late uninit.
12883         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12884         really fixup if-conversions job.
12885
12886 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12887
12888         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12889         (arm_cortex_a57_tune): Likewise.
12890         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12891         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12892
12893 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12894
12895         * timevar.def (TV_PHASE_DBGINFO): Delete.
12896         (TV_PHASE_CHECK_DBGINFO): Likewise.
12897         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12898
12899 2016-02-10  Richard Biener  <rguenther@suse.de>
12900
12901         PR tree-optimization/69719
12902         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12903         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12904
12905 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12906
12907         PR tree-opt/69282
12908         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12909         get_vcond_mask_icode returns false.
12910
12911 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12912
12913         PR target/68404
12914         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12915         an ADDIS that adds a pointer to a large constant that sets the
12916         upper16 bits with a load operation.
12917
12918 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12919
12920         PR target/68532
12921         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12922         order.
12923         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12924         endian.
12925         (vzipq_s16): Likewise.
12926         (vzipq_s32): Likewise.
12927         (vzipq_f32): Likewise.
12928         (vzipq_u8): Likewise.
12929         (vzipq_u16): Likewise.
12930         (vzipq_u32): Likewise.
12931         (vzipq_p8): Likewise.
12932         (vzipq_p16): Likewise.
12933
12934 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12935
12936         PR target/68532
12937         * config/arm/arm.c (neon_endian_lane_map): New function.
12938         (neon_vector_pair_endian_lane_map): New function.
12939         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12940         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12941         endian.
12942         (vuzpq_s16): Likewise.
12943         (vuzpq_s32): Likewise.
12944         (vuzpq_f32): Likewise.
12945         (vuzpq_u8): Likewise.
12946         (vuzpq_u16): Likewise.
12947         (vuzpq_u32): Likewise.
12948         (vuzpq_p8): Likewise.
12949         (vuzpq_p16): Likewise.
12950
12951 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12952
12953         PR target/69634
12954         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12955         debug insns.
12956
12957 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12958
12959         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12960         truncate const_int operand 1 to QImode.
12961
12962 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12963
12964         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12965         corresponding to an abnormal edge.
12966
12967 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12968
12969         PR tree-optimization/69599
12970         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12971         function.
12972         (find_func_aliases_for_builtin_call, find_func_clobbers)
12973         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12974         partition.
12975
12976 2016-02-09  Richard Biener  <rguenther@suse.de>
12977
12978         PR tree-optimization/69715
12979         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12980         LHS on calls as non-rewritable.
12981
12982 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12983
12984         PR lto/69707
12985         * lto-wrapper.c (append_diag_options): New function.
12986         (compile_offload_image): Call append_diag_options.
12987
12988 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12989
12990         PR other/69722
12991         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12992         Minor copy-edit to fix verb tenses.
12993
12994 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12995
12996         PR tree-optimization/69209
12997         * ipa-split.c (split_function): If split part is not
12998         returning retval, retval has gimple type but is not
12999         gimple value, force it into a SSA_NAME first.
13000
13001 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
13002
13003         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
13004         outdated section.
13005
13006 2016-02-08  Jason Merrill  <jason@redhat.com>
13007
13008         PR c++/69631
13009         * convert.c (convert_to_integer_1): Check dofold on truncation
13010         distribution.
13011         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
13012         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
13013         Rename from *_nofold.
13014         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
13015         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
13016
13017 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
13018
13019         PR target/60410
13020         * tree.c (build_common_tree_nodes): Remove short_double argument.
13021         All callers changed.
13022         * tree.h (build_common_tree_nodes): Adjust declaration.
13023         * doc/invoke.texi (-fshort-double): Remove documentation.
13024         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
13025         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
13026         * lto-wrapper.c (merge_and_complain, append_compiler_options)
13027         (append_linker_options): Don't handle OPT_fshort_double.
13028
13029         PR rtl-optimization/68730
13030         * lra-remat.c (insn_to_cand_activation): New static variable.
13031         (lra_remat): Allocate and free it.
13032         (create_cand): New arg activation. Initialize a field in
13033         insn_to_cand_activation if it is nonnull.
13034         (create_cands): Pass the activation insn to create_cand when making
13035         a candidate involving an output reload.  Reorganize code a little.
13036         (do_remat): Keep track of active status of candidates in a separate
13037         bitmap.
13038
13039 2016-02-08  Richard Biener  <rguenther@suse.de>
13040
13041         PR tree-optimization/69719
13042         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13043         Properly use absolute of the difference of the two offsets to
13044         compare or adjust the segment length.
13045
13046 2016-02-08  Richard Biener  <rguenther@suse.de>
13047             Jeff Law  <law@redhat.com>
13048
13049         PR target/68273
13050         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
13051         types for anonymous SSA names.
13052
13053 2016-02-08   Richard Biener  <rguenther@suse.de>
13054
13055         PR rtl-optimization/69274
13056         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
13057
13058 2016-02-08  Jeff Law  <law@redhat.com>
13059
13060         PR tree-optimization/65917
13061         * tree-ssa-dom.c (record_temporary_equivalences): Record both
13062         equivalences from if (x == y) style conditionals.
13063         (loop_depth_of_name): Remove.
13064         (record_equality): Remove loop depth check.
13065         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
13066         (const_and_copies::record_const_or_copy_raw): New member function.
13067         * tree-ssa-scopedtables.c
13068         (const_and_copies::record_const_or_copy_raw): New, factored out of
13069         (const_and_copies::record_const_or_copy): Call new member function.
13070
13071 2016-02-05  Jeff Law  <law@redhat.com>
13072
13073         PR tree-optimization/68541
13074         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
13075         (count_stmts_in_block): New function.
13076         (poor_ifcvt_candidate_code): Likewise.
13077         (is_feasible_trace): Add some heuristics to determine when path
13078         splitting is profitable.
13079         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
13080         is a diamond with a single exit.
13081
13082 2016-02-05  Martin Sebor  <msebor@redhat.com>
13083
13084         PR c++/69662
13085         * doc/invoke.texi: Update -Wplacement-new to take an optional
13086         argument.
13087
13088 2016-02-06  Richard Henderson  <rth@redhat.com>
13089
13090         PR c/69643
13091         * tree.c (tree_nop_conversion_p): Do not strip casts into or
13092         out of non-standard address spaces.
13093
13094 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13095
13096         PR rtl-optimization/69691
13097         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
13098
13099 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
13100
13101         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
13102         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
13103         (*ieee128_mfvsrd_64bit): Likewise.
13104         (*ieee128_mfvsrd_32bit): Likewise.
13105
13106 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
13107
13108         PR target/69369
13109         Revert r232560:
13110         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
13111
13112         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
13113         instrumented_version.
13114
13115 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
13116
13117         * doc/invoke.texi (Optimize Options): In table of --param options
13118         rename second occurrence of tracer-min-branch-ratio to
13119         tracer-min-branch-probability, rename
13120         tracer-min-branch-ratio-feedback to
13121         tracer-min-branch-probability-feedback and clarify description,
13122         rename sched-spec-state-edge-prob-cutoff to
13123         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
13124         to selsched-insns-to-rename, rename lto-minpartition to
13125         lto-min-partition, delete reorder-blocks-duplicate and
13126         reorder-blocks-duplicate-feedback.
13127
13128 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13129
13130         * config/s390/s390.c (s390_register_info_set_ranges): Remove
13131         superfluous loops.
13132
13133 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13134
13135         * doc/extend.texi: S/390: Correct some typos.
13136
13137 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13138
13139         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
13140
13141 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13142
13143         PR target/69625
13144         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
13145         (s390_register_info_gprtofpr): Use new macros above.
13146         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
13147         its name.
13148         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
13149         its name.  Adjust restore and save gpr ranges.
13150         (s390_register_info_set_ranges): New function.
13151         (s390_register_info): Use new macros above.  Call
13152         s390_register_info_set_ranges.
13153         (s390_optimize_register_info): Likewise.
13154         (s390_hard_regno_rename_ok): Use new macros.
13155         (s390_hard_regno_scratch_ok): Likewise.
13156         (s390_emit_epilogue): Likewise.
13157         (s390_can_use_return_insn): Likewise.
13158         (s390_optimize_prologue): Likewise.
13159         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
13160
13161 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
13162
13163         PR bootstrap/69677
13164         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
13165         alignment fixes.
13166         (ix86_option_override_internal): Disable TARGET_STV even for
13167         -m{incoming,preferred}-stack-boundary=3.
13168
13169 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13170
13171         * config.gcc: Mark deprecated rtems targets as obsolete.
13172
13173 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
13174
13175         PR rtl-optimization/64682
13176         PR rtl-optimization/69567
13177         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
13178         before I2 only if the register is both used and set in I2.
13179
13180 2016-02-04  DJ Delorie  <dj@redhat.com>
13181
13182         * config/msp430/msp430.c (msp430_start_function): Add function type.
13183
13184 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13185
13186         PR fortran/69368
13187         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
13188
13189 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
13190
13191         PR rtl-optimization/69577
13192         Revert:
13193         2015-10-29  Richard Henderson  <rth@redhat.com>
13194
13195         PR target/68124
13196         PR rtl-opt/67609
13197         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
13198         sse check to the exact conditions of PR 67609.
13199
13200 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13201
13202         PR target/69667
13203         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
13204         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
13205         not allowed into the traditional Altivec registers.
13206         (movtd_64bit_nodm): Likewise.
13207         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
13208
13209 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
13210
13211         * config/aarch64/cortex-a57-fma-steering.c
13212         (aarch64_register_fma_steering): Remove "static" from arguments
13213         to register_pass.
13214
13215 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
13216
13217         PR target/69619
13218         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
13219         twice when complex.
13220
13221 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
13222
13223         * doc/invoke.texi: Delete -mno-fma4.
13224
13225 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
13226
13227         PR rtl-optimization/69577
13228         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
13229         (find_subregs_of_mode): Update accordingly.  Iterate over partial
13230         definitions.
13231
13232 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
13233
13234         * config/arm/arm-protos.h (neon_reinterpret): Remove.
13235         * config/arm/arm.c (neon_reinterpret): Remove.
13236         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
13237         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
13238         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
13239         vreinterpretti): Remove.
13240         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
13241         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
13242         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
13243         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
13244         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
13245         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
13246         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
13247         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
13248         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
13249         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
13250         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
13251         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
13252         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
13253         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
13254         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
13255         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
13256         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
13257         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
13258         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
13259         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
13260         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
13261         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
13262         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
13263         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
13264         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
13265         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
13266         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
13267         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
13268         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
13269         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
13270         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
13271         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
13272         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
13273         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
13274         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
13275         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
13276         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
13277         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
13278         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
13279         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
13280         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
13281         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
13282         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
13283         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
13284         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
13285         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
13286         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
13287         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
13288         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
13289         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
13290         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
13291         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
13292         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
13293         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
13294         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
13295         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
13296         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
13297         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
13298         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
13299         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
13300         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
13301         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
13302         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
13303         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
13304         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
13305         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
13306         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
13307         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
13308         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
13309         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
13310         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
13311         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
13312         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
13313         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
13314         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
13315         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
13316         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
13317         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
13318         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
13319         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
13320         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
13321         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
13322         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
13323         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
13324         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
13325         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
13326         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
13327         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
13328         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
13329         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
13330         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
13331         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
13332         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
13333         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
13334         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
13335         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
13336         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
13337         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
13338         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
13339         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
13340         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
13341         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
13342         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
13343
13344 2016-02-04  Martin Liska  <mliska@suse.cz>
13345
13346         PR sanitizer/69276
13347         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
13348         that are gimple_store_p.
13349         (maybe_instrument_call): Likewise.
13350
13351 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
13352
13353         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
13354         register scaling out of memory reference and comment why.
13355
13356 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13357
13358         PR target/65932
13359         PR target/67714
13360         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
13361         folding the source of a SET.
13362
13363 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13364
13365         PR target/65932
13366         PR target/67714
13367         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13368         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13369
13370 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
13371
13372         PR target/65932
13373         PR target/67714
13374         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
13375         HImode.
13376
13377 2016-02-04  Christian Bruel  <christian.bruel@st.com>
13378
13379         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
13380         * config/arm/arm.c (arm_set_current_function): Likewise.
13381
13382 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13383             Ilya Enkovich  <enkovich.gnu@gmail.com>
13384             H.J. Lu  <hongjiu.lu@intel.com>
13385
13386         PR target/69454
13387         * config/i386/i386.c (convert_scalars_to_vector): Remove
13388         stack alignment fixes.
13389         (ix86_option_override_internal): Disable TARGET_STV if stack
13390         might not be aligned enough.
13391         (ix86_minimum_alignment): Assert that TARGET_STV is false.
13392
13393 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
13394
13395         * config/i386/x86-tune.def: Disable default prefetching
13396         for -march=znver1.
13397
13398 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13399             Vladimir Makarov  <vmakarov@redhat.com>
13400
13401         PR target/69461
13402         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
13403         in validating fused toc addresses.
13404
13405 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
13406
13407         PR c/69627
13408         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
13409         range->m_caret fields if range->m_show_caret_p is false.
13410
13411         PR target/69644
13412         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13413         Force oldval into register if it does not satisfy reg_or_short_operand
13414         predicate.  Fix up formatting.
13415
13416 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
13417             Alexandre Oliva  <aoliva@redhat.com>
13418
13419         PR target/69461
13420         * lra-constraints.c (simplify_operand_subreg): Check additionally
13421         address validity after potential reloading.
13422         (process_address_1): Check insns validity.  In case of failure do
13423         nothing.
13424
13425 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
13426
13427         PR target/69118
13428         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
13429         Fix target.
13430
13431 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
13432
13433         * wide-int.cc (canonize_uhwi): New function.
13434         (wi::divmod_internal): Use it.
13435
13436 2016-02-02  James Norris  <jnorris@codesourcery.com
13437
13438         * gimplify.c (omp_notice_variable): Add usage check.
13439
13440 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
13441
13442         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
13443         like LE, GE, LT, GT when emitting relational operator.
13444
13445 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13446
13447         * ira-costs.c (find_costs_and_classes): Add extra argument.
13448         * target.def (ira_change_pseudo_allocno_class): Add parameter.
13449         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
13450         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
13451         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
13452         Add best_class parameter, and return it if not ALL_REGS.
13453         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
13454         Add parameter.
13455         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13456         Update target hook.
13457
13458 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13459
13460         * config/aarch64/aarch64.c
13461         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13462         (aarch64_ira_change_pseudo_allocno_class): New function.
13463
13464 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13465
13466         PR target/67032
13467         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13468
13469 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13470
13471         * config/avr/avr.c (avr_option_override): Set
13472         PARAM_ALLOW_STORE_DATA_RACES to 1.
13473
13474 2016-02-02  Richard Biener  <rguenther@suse.de>
13475
13476         PR tree-optimization/69595
13477         * match.pd: Add range test simplifications to true/false.
13478
13479 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13480
13481         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13482         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13483         instead.
13484
13485 2016-02-02  Richard Biener  <rguenther@suse.de>
13486
13487         PR tree-optimization/69606
13488         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13489         info on the result before moving a stmt.
13490
13491 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13492
13493         PR middle-end/68542
13494         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13495         branch with vector comparison.
13496         * config/i386/sse.md (VI48_AVX): New mode iterator.
13497         (define_expand "cbranch<mode>4): Add support for conditional branch
13498         with vector comparison.
13499         * tree-vect-loop.c (optimize_mask_stores): New function.
13500         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13501         has_mask_store field of vect_info.
13502         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13503         vectorized loops having masked stores after vec_info destroy.
13504         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13505         correspondent macros.
13506         (optimize_mask_stores): Add prototype.
13507
13508 2016-02-02  Alan Modra  <amodra@gmail.com>
13509
13510         PR target/69548
13511         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13512         allow subregs.
13513
13514 2016-02-02  Alan Modra  <amodra@gmail.com>
13515
13516         PR target/68662
13517         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13518         whenever toc_label_name used.
13519         (rs6000_file_start): Don't set up toc section here,
13520         (rs6000_output_function_epilogue): do so here instead,
13521         (rs6000_xcoff_file_start): and here.
13522         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13523         (load_toc_aix_di): Likewise.
13524
13525 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13526
13527         PR rtl-optimization/69592
13528         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13529         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13530         (num_sign_bit_copies_binary_arith_p): New inline function.
13531         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13532
13533 2016-02-01  Jeff Law  <law@redhat.com>
13534
13535         PR tree-optimization/69580
13536         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13537         * tree-ssa-threadbackward.c
13538         (fsm_find_control_statement_thread_paths): Do not try to walk
13539         through large PHI nodes.
13540
13541 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13542
13543         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13544         when count is incremented above limit, don't analyze further
13545         insns afterwards.
13546
13547         * omp-low.c (oacc_parse_default_dims): Avoid
13548         -Wsign-compare warning, make sure value fits into int
13549         rather than just unsigned int.
13550
13551 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13552
13553         PR tree-optimization/67921
13554         * fold-const.c (split_tree): New parameters.  Convert pointer
13555         type variable part to proper type before negating.
13556         (fold_binary_loc): Pass new arguments to split_tree.
13557
13558 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13559
13560         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13561         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13562         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13563         * doc/tm.texti: Rebuilt.
13564         * doc/invoke.texi (fopenacc-dim): Document.
13565         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13566         (append_compiler_options): Likewise.
13567         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13568         (oacc_parse_default_dims): New.
13569         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13570         possible.
13571         (oacc_loop_fixed_partitions): Return mask of used partitions.
13572         (oacc_loop_auto_partitions): Emit dump info.
13573         (oacc_loop_partition): Return mask of used partitions.
13574         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13575         loop partitioning and validation calls.
13576
13577 2016-02-01  Richard Biener  <rguenther@suse.de>
13578
13579         PR middle-end/69556
13580         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13581
13582 2016-02-01  Richard Biener  <rguenther@suse.de>
13583
13584         PR tree-optimization/69574
13585         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13586         of asserting return chrec_dont_know.
13587
13588 2016-02-01  Martin Liska  <mliska@suse.cz>
13589
13590         * mem-stats-traits.h: Add copyright header.
13591         * mem-stats.h: Likewise.
13592
13593 2016-02-01  Richard Biener  <rguenther@suse.de>
13594
13595         PR tree-optimization/69579
13596         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13597         Do not propagate through abnormal PHI results.
13598
13599 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13600
13601         * postreload.c (reload_cse_simplify): Remove dead code.
13602
13603 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13604
13605         PR rtl-optimization/69570
13606         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13607         if there is more than one set, not if there is a single set.
13608
13609 2016-02-01  Richard Henderson  <rth@redhat.com>
13610
13611         PR rtl-opt/69535
13612         * combine.c (make_compound_operation): When looking through a
13613         subreg, make sure to re-extend to the width of the outer mode.
13614
13615 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13616
13617         PR tree-optimization/69546
13618         * wide-int.cc (wi::divmod_internal): For unsigned division
13619         where both operands fit into uhwi, if o1 is 1 and o0 has
13620         msb set, if divident_prec is larger than bits per hwi,
13621         clear another quotient word and return 2 instead of 1.
13622         Similarly for remainder with msb in HWI set, if dividend_prec
13623         is larger than bits per hwi.
13624
13625 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13626
13627         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13628         Use short lowercase names.
13629         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13630         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13631         acq_rel one.  Protect warning agains segfaults if
13632         get_memory_order_name returns NULL.
13633         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13634         with release semantics.  Do not warn if get_memory_order already did.
13635         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13636         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13637         if get_memory_order already did.
13638
13639 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13640
13641         * doc/install.texi: Document that isl-0.16 is supported.
13642
13643 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13644
13645         PR target/69299
13646         * config/i386/constraints.md (Bm): Describe as special memory
13647         constraint.
13648         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13649         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13650         * genpreds.c (struct constraint_data): Add is_special_memory.
13651         (have_special_memory_constraints, special_memory_start): New
13652         static vars.
13653         (special_memory_end): Ditto.
13654         (add_constraint): Add new arg is_special_memory.  Add code to
13655         process its true value.  Update have_special_memory_constraints.
13656         (process_define_constraint): Pass the new arg.
13657         (process_define_register_constraint): Ditto.
13658         (choose_enum_order): Process special memory.
13659         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13660         function insn_extra_special_memory_constraint.
13661         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13662         * gensupport.c (process_rtx): Process
13663         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13664         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13665         * ira-lives.c (single_reg_class): Use
13666         insn_extra_special_memory_constraint.
13667         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13668         * lra-constraints.c (process_alt_operands): Ditto.
13669         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13670         * recog.c (asm_operand_ok, preprocess_constraints): Process
13671         CT_SPECIAL_MEMORY.
13672         * reload.c (find_reloads): Ditto.
13673         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13674         * stmt.c (parse_input_constraint): Use
13675         insn_extra_special_memory_constraint.
13676
13677 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13678
13679         PR target/69530
13680         * lra-splill.c (lra_final_code_change): Revert r229087 by
13681         removing all sub-registers.
13682
13683 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13684
13685         PR target/65604
13686         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13687
13688 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13689
13690         PR target/69551
13691         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13692         SSE1, copy target into the temporary reg first before recursing
13693         on it.
13694
13695 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13696
13697         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13698         with vm.
13699
13700 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13701
13702         * ginclude/stdarg.h: Test __cplusplus instead of
13703         __GXX_EXPERIMENTAL_CXX0X__.
13704
13705 2016-01-29  Richard Biener  <rguenther@suse.de>
13706
13707         PR tree-optimization/69547
13708         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13709         Do not mark clobbers necessary.
13710         (mark_all_reaching_defs_necessary_1): Likewise.
13711
13712 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13713
13714         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13715         declaration name with %qs and print it in both error messages.
13716         Also fix indentation.
13717
13718 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13719
13720         PR other/69006
13721         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13722         trailing blank line from error message.
13723
13724 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13725
13726         PR c++/69462
13727         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13728         for C++-11.
13729
13730 2016-01-29  Richard Biener  <rguenther@suse.de>
13731
13732         PR middle-end/69537
13733         * match.pd: Allow all integral types when simplifying a
13734         widening or sign-changing conversion.
13735
13736 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13737
13738         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13739         back to setting codegen_error to fail codegen.
13740
13741 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13742
13743         PR target/69459
13744         * config/i386/constraints.md (C): Only accept constant zero operand.
13745         (BC): New constraint.
13746         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13747         instead of C constraint.
13748         * doc/md.texi (Machine Constraints): Update description
13749         of C constraint.
13750
13751 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13752
13753         PR target/68400
13754         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13755
13756 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13757
13758         PR middle-end/69542
13759         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13760         non-debug insns.
13761
13762 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13763
13764         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13765         branches if using guessed profile.
13766
13767 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13768
13769         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13770
13771 2016-01-28  Richard Henderson  <rth@redhat.com>
13772
13773         PR target/69305
13774         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13775         * config/aarch64/aarch64-protos.h: Update.
13776         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13777         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13778         (aarch64_get_condition_code_1): Handle CC_Cmode.
13779         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13780         (*add<mode>3_compareC_cconly_imm): New.
13781         (*add<mode>3_compareC_cconly): New.
13782         (*add<mode>3_compareC_imm): New.
13783         (add<mode>3_compareC): New.
13784         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13785         to be first.  Use aarch64_carry_operation.
13786         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13787         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13788         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13789         (subti3): Use subdi3_compare1.
13790         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13791         (sub<mode>3_compare1): New.
13792         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13793         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13794         (*subsi3_carryin_uxtw): Likewise.
13795         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13796         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13797         * config/aarch64/iterators.md (DWI): New.
13798         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13799         (aarch64_borrow_operation): New.
13800
13801 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13802
13803         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13804         message when isl does not return a valid schedule.
13805
13806 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13807
13808         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13809         Remove comments from class declarations: they are already in the code
13810         close by the defs.
13811
13812 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13813
13814         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13815         codegen_error_p.
13816         (ternary_op_to_tree): Same.
13817         (unary_op_to_tree): Same.
13818         (nary_op_to_tree): Same.
13819         (gcc_expression_from_isl_expr_op): Same.
13820         (gcc_expression_from_isl_expression): Same.
13821         (graphite_create_new_loop): Same.
13822         (graphite_create_new_loop_guard): Same.
13823         (build_iv_mapping): Same.
13824         (graphite_create_new_guard): Same.
13825         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13826         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13827
13828 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13829
13830         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13831         instead of setting codegen_error to fail codegen.
13832
13833 2016-01-28  Jason Merrill  <jason@redhat.com>
13834
13835         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13836
13837 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13838
13839         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13840         Remove CONST_INT_P check in CCMP cost calculation.
13841
13842 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13843
13844         * config/aarch64/aarch64.c (generic_vector_cost):
13845         Set vec_permute_cost.
13846         (cortexa57_vector_cost): Likewise.
13847         (exynosm1_vector_cost): Likewise.
13848         (xgene1_vector_cost): Likewise.
13849         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13850         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13851         Add vec_permute_cost entry.
13852
13853 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13854
13855         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13856         immediate as %1.
13857         (add<mode>3_compare0): Likewise.
13858         (addsi3_compare0_uxtw): Likewise.
13859         (add<mode>3nr_compare0): Likewise.
13860         (compare_neg<mode>): Likewise.
13861         (<optab><mode>3): Likewise.
13862
13863 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13864
13865         * tree-vect-stmts.c (vectorizable_comparison): Add
13866         NULL check for vectype.
13867
13868 2016-01-28  Richard Biener  <rguenther@suse.de>
13869
13870         PR tree-optimization/69466
13871         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13872         Account for PHIs we couldn't duplicate.
13873
13874 2016-01-28  Martin Liska  <mliska@suse.cz>
13875
13876         PR pch/68758
13877         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13878         instead of ENABLE_VALGRIND_CHECKING.
13879
13880 2016-01-27  Richard Henderson  <rth@redhat.com>
13881
13882         PR rtl-opt/69447
13883         * lra-remat.c (subreg_regs): New.
13884         (dump_candidates_and_remat_bb_data): Dump it.
13885         (operand_to_remat): Reject if operand in subreg_regs.
13886         (set_bb_regs): Collect subreg_regs.
13887         (lra_remat): Init and free subreg_regs.  Compute
13888         calculate_local_reg_remat_bb_data before create_cands.
13889
13890 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13891
13892         PR target/68986
13893         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13894         change stack_alignment_needed for __tls_get_addr call.
13895
13896 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13897
13898         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13899
13900 2016-01-27  Jeff Law  <law@redhat.com>
13901
13902         PR tree-optimization/68398
13903         PR tree-optimization/69196
13904         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13905         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13906         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13907         Only count PHIs in the last block in the path.  The others will
13908         const/copy propagate away.  Add heuristic to allow more irreducible
13909         subloops to be created when it is likely profitable to do so.
13910
13911         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13912         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13913         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13914
13915 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13916
13917         PR lto/69254
13918         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13919         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13920         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13921         * tree-streamer-in.c: Include asan.h.
13922         (streamer_get_builtin_tree): For builtins in sanitizer
13923         range call initialize_sanitizer_builtins and retry.
13924
13925 2016-01-27  Ian Lance Taylor  <iant@google.com>
13926
13927         * common.opt (fkeep-gc-roots-live): New undocumented option.
13928         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13929         -fkeep-gc-roots-live, skip pointers.
13930         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13931         NULL.
13932
13933 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13934
13935         PR target/69512
13936         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13937         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13938
13939 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13940
13941         PR target/68380
13942         * configure.ac: NetBSD provides SSP in its C library.
13943         * configure: Updated.
13944
13945 2016-01-27  Richard Biener  <rguenther@suse.de>
13946
13947         PR tree-optimization/69166
13948         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13949         reduction code for commutativity / associativity.
13950
13951 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13952
13953         PR tree-optimization/69355
13954         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13955         total_scalarization fails.
13956
13957 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13958
13959         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13960         power9.
13961
13962 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13963
13964         PR target/69245
13965         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13966         Move arm_reset_previous_fndecl and set_target_option_current_node in
13967         the conditional part.  Call save_restore_target_globals.
13968         * config/arm/arm.c (arm_set_current_function):
13969         Refactor to better support #pragma target and attribute mix.
13970         Call save_restore_target_globals.
13971         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13972
13973 2016-01-27  Martin Liska  <mliska@suse.cz>
13974
13975         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13976         reference for an HSA kernel and its host function.
13977
13978 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13979
13980         PR tree-optimization/69399
13981         * wide-int.h (wi::lrshift): For larger precisions, only
13982         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13983
13984 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13985
13986         * config/arc/predicates.md (proper_comparison_operator): Reject
13987         constant-constant comparison.
13988
13989 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13990
13991         PR tree-optimization/69110
13992         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13993         DR_NUM_DIMENSIONS == 0.
13994
13995 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13996             Sebastian Pop  <s.pop@samsung.com>
13997
13998         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13999         isl_ast_op_cond and isl_ast_op_select.
14000         (gcc_expression_from_isl_expr_op): Same.
14001
14002 2016-01-26  Jason Merrill  <jason@redhat.com>
14003
14004         PR c++/68782
14005         * tree.c (recompute_constructor_flags): Split out from
14006         build_constructor.
14007         (verify_constructor_flags): New.
14008         * tree.h: Declare them.
14009
14010 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14011
14012         PR rtl-optimization/69217
14013         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
14014         are no TYPE_FIELDS set for the record type.
14015
14016 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14017
14018         PR target/68662
14019         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
14020         toc_label_name unconditionally.
14021         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
14022         SYMBOL_REF string.  Use toc_label_name instead of constructing
14023         LCTOC1.
14024         (rs6000_elf_declare_function_name): Use toc_label_name instead of
14025         constructing LCTOC1.
14026
14027 2016-01-26  Martin Sebor  <msebor@redhat.com>
14028
14029         PR other/69477
14030         * doc/extend.texi (Common Type Attributes): Move text that talks about
14031         attribute packed from attribute aligned to the section discussing
14032         the former attribute for clarity.
14033
14034 2016-01-26  Richard Henderson  <rth@redhat.com>
14035
14036         PR middle-end/60908
14037         * trans-mem.c (tm_region_init): Mark entry block as visited.
14038
14039 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
14040
14041         PR other/69006
14042         * diagnostic-show-locus.c (layout::print_source_line): Replace
14043         call to pp_newline with call to layout::print_newline.
14044         (layout::print_annotation_line): Likewise.
14045         (layout::move_to_column): Likewise.
14046         (layout::print_any_fixits): After printing any fixits, print a
14047         trailing newline, if necessary.
14048         (layout::print_newline): New method, resetting any colorization
14049         before a newline.
14050         (diagnostic_show_locus): Move the pp_newline to before the
14051         early bailout.  Remove dummy block enclosing the layout instance.
14052         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
14053         of pp_newline_and_flush with pp_flush.
14054         (diagnostic_append_note): Delete use of pp_newline.
14055         (diagnostic_append_note_at_rich_loc): Delete.
14056         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
14057         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
14058         when newline characters are added to the buffer.
14059
14060 2016-01-26  Michael Matz  <matz@suse.de>
14061
14062         * configure.ac (ac_cv_std_swap_in_utility): New test.
14063         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
14064         * configure: Regenerate.
14065         * config.in: Regenerate.
14066
14067 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
14068
14069         * config/arc/arc.md (cstoresi4): Force operand into register.
14070         (arcset<code>): Fix predicate.
14071         (arcsetltu): Likewise.
14072         (arcsetgeu): Likewise.
14073         (arcsethi): Likewise.
14074         (arcsetls): Likewise.
14075
14076 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14077
14078         PR tree-optimization/69483
14079         * gimple-fold.c (canonicalize_constructor_val): Return NULL
14080         if base has error_mark_node type.
14081
14082 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
14083
14084         PR target/68620
14085         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
14086         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
14087         New helper macros.
14088         (vget_lane_f16): Handle big-endian.
14089         (vgetq_lane_f16): Likewise.
14090         (vset_lane_f16): Likewise.
14091         (vsetq_lane_f16): Likewise.
14092         * config/arm/iterators.md (VQXMOV): Add V8HF.
14093         (VDQ): Add V4HF and V8HF.
14094         (V_reg): Handle V4HF and V8HF.
14095         (Is_float_mode): Likewise.
14096         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
14097         neon_vdup_nv8hf): New patterns.
14098         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
14099         Use VD_LANE iterator.
14100         (neon_vld1_dup<mode>): Use VQ2 iterator.
14101
14102 2016-01-26  Nathan Sidwell  <nathan@acm.org>
14103
14104         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
14105         (set_oacc_fn_attrib): Add IS_KERNEL arg.
14106         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
14107         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
14108         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
14109         (oacc_validate_dims): Add LEVEL arg, don't return level.
14110         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
14111         oacc_validate_dims.
14112         (execute_oacc_device_lower): Adjust, add more dump output.
14113         * tree-ssa-loop.c (gate_oacc_kernels): Use
14114         oacc_fn_attrib_kernels_p.
14115         * tree-parloops.c (create_parallel_loop): Adjust
14116         set_oacc_fn_attrib call.
14117
14118 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14119
14120         PR lto/69254
14121         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
14122         (append_compiler_options): Handle -fcilkplus.
14123         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
14124
14125 2016-01-26  Nick Clifton  <nickc@redhat.com>
14126
14127         PR target/66655
14128         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
14129         been marked as DECL_ONE_ONLY but we do not the means to make it
14130         so, then do not allow it to bind locally.
14131
14132 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14133
14134         PR lto/69254
14135         * opts.h (parse_sanitizer_options): New prototype.
14136         * opts.c (sanitizer_opts): New array.
14137         (parse_sanitizer_options): New function.
14138         (common_handle_option): Use parse_sanitizer_options.
14139
14140 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
14141
14142         PR target/68986
14143         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
14144         alignment adjustment to ...
14145         (ix86_update_stack_boundary): Here.  Don't over-align stack for
14146         __tls_get_addr.
14147         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
14148         if __tls_get_addr is called.
14149
14150 2016-01-26  Christian Bruel  <christian.bruel@st.com>
14151
14152         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
14153
14154 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
14155
14156         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
14157
14158 2016-01-26  Richard Biener  <rguenther@suse.de>
14159
14160         PR middle-end/69467
14161         * match.pd: Guard X * CST CMP 0 pattern with single_use.
14162
14163 2016-01-26  Richard Biener  <rguenther@suse.de>
14164
14165         PR tree-optimization/69452
14166         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
14167         (move_computations_dom_walker::before_dom_children): Rename
14168         to ...
14169         (move_computations_worker): This.
14170         (move_computations): Perform an RPO rather than a DOM walk.
14171
14172 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
14173
14174         PR target/69442
14175         * combine.c (combine_instructions): For REG_EQUAL note with
14176         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
14177         to the underlying register.
14178         * doc/rtl.texi (REG_EQUAL): Document the behavior of
14179         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
14180
14181 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
14182
14183         PR target/67896
14184         * config/aarch64/aarch64-builtins.c
14185         (aarch64_init_simd_builtin_types): Do not set structural
14186         equality to __Poly{8,16,64,128}_t types.
14187
14188 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
14189
14190         PR tree-optimization/69400
14191         * wide-int.cc (wi_pack): Take the precision as argument and
14192         perform canonicalization here rather than in the callers.
14193         Use the main loop to handle all full-width HWIs.  Add a
14194         zero HWI if in_len isn't a full result.
14195         (wi::divmod_internal): Update accordingly.
14196         (wi::mul_internal): Likewise.  Simplify.
14197
14198 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14199             Sebastian Pop  <s.pop@samsung.com>
14200
14201         * graphite-poly.c (apply_poly_transforms): Simplify.
14202         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
14203         (print_isl_map): Same.
14204         (print_isl_union_map): Same.
14205         (print_isl_schedule): New.
14206         (debug_isl_schedule): New.
14207         * graphite-dependences.c (scop_get_reads): Do not call
14208         isl_union_map_add_map that is undocumented isl functionality.
14209         (scop_get_must_writes): Same.
14210         (scop_get_may_writes): Same.
14211         (scop_get_original_schedule): Remove.
14212         (scop_get_dependences): Do not call isl_union_map_compute_flow that
14213         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
14214         (compute_deps): Remove.
14215         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
14216         (debug_schedule_ast): New.
14217         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
14218         set_separate_option.
14219         (graphite_regenerate_ast_isl): Add dump.
14220         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
14221         from scop->transformed_schedule.
14222         (graphite_regenerate_ast_isl): Add more dump.
14223         * graphite-optimize-isl.c (optimize_isl): Set
14224         scop->transformed_schedule.  Check whether schedules are equal.
14225         (apply_poly_transforms): Move here.
14226         * graphite-poly.c (apply_poly_transforms): ... from here.
14227         (free_poly_bb): Static.
14228         (free_scop): Static.
14229         (pbb_number_of_iterations_at_time): Remove.
14230         (print_isl_ast): New.
14231         (debug_isl_ast): New.
14232         (debug_scop_pbb): New.
14233         * graphite-scop-detection.c (print_edge): Move.
14234         (print_sese): Move.
14235         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
14236         (build_scop_scattering): Remove.
14237         (create_pw_aff_from_tree): Assert instead of bailing out.
14238         (add_condition_to_pbb): Remove unused code, do not fail.
14239         (add_conditions_to_domain): Same.
14240         (add_conditions_to_constraints): Remove.
14241         (build_scop_context): New.
14242         (add_iter_domain_dimension): New.
14243         (build_iteration_domains): Initialize pbb->iterators.
14244         Call add_conditions_to_domain.
14245         (nested_in): New.
14246         (loop_at): New.
14247         (index_outermost_in_loop): New.
14248         (index_pbb_in_loop): New.
14249         (outermost_pbb_in): New.
14250         (add_in_sequence): New.
14251         (add_outer_projection): New.
14252         (outer_projection_mupa): New.
14253         (add_loop_schedule): New.
14254         (build_schedule_pbb): New.
14255         (build_schedule_loop): New.
14256         (embed_in_surrounding_loops): New.
14257         (build_schedule_loop_nest): New.
14258         (build_original_schedule): New.
14259         (build_poly_scop): Call build_original_schedule.
14260         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
14261         (free_poly_dr): Remove.
14262         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
14263         (free_poly_bb): Remove.
14264         (debug_loop_vec): Remove.
14265         (print_isl_ast): Declare.
14266         (debug_isl_ast): Declare.
14267         (scop_do_interchange): Remove.
14268         (scop_do_strip_mine): Remove.
14269         (scop_do_block): Remove.
14270         (flatten_all_loops): Remove.
14271         (optimize_isl): Remove.
14272         (pbb_number_of_iterations_at_time): Remove.
14273         (debug_scop_pbb): Declare.
14274         (print_schedule_ast): Declare.
14275         (debug_schedule_ast): Declare.
14276         (struct scop): Remove schedule.  Add original_schedule,
14277         transformed_schedule.
14278         (free_gimple_poly_bb): Remove.
14279         (print_generated_program): Remove.
14280         (debug_generated_program): Remove.
14281         (unify_scattering_dimensions): Remove.
14282         * sese.c (print_edge): ... here.
14283         (print_sese): ... here.
14284         (debug_edge): ... here.
14285         (debug_sese): ... here.
14286         * sese.h (print_edge): Declare.
14287         (print_sese): Declare.
14288         (dump_edge): Declare.
14289         (dump_sese): Declare.
14290
14291 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
14292             Sebastian Pop  <s.pop@samsung.com>
14293
14294         * Makefile.in: Set ISLVER in site.exp.
14295
14296 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
14297
14298         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
14299         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
14300         through DECL_VALUE_EXPR for expansion.
14301
14302 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14303
14304         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
14305         the frame info after reload completed.
14306
14307 2016-01-25  Jeff Law  <law@redhat.com>
14308
14309         PR tree-optimization/69196
14310         PR tree-optimization/68398
14311         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
14312         tree-ssa-threadupdate.c.
14313         (determine_bb_domination_status): Prototype
14314         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
14315         (determine_bb_domination_status): No longer static.
14316         (valid_jump_thread_path): Remove code to detect characteristics
14317         of the jump thread path not associated with correctness.
14318         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
14319         Correct test for thread path length.  Count PHIs for real operands as
14320         statements that need to be copied.  Do not count ASSERT_EXPRs.
14321         Look at all the blocks in the thread path.  Compute and selectively
14322         filter thread paths based on threading through the latch, threading
14323         a multiway branch or crossing a multiway branch.
14324
14325 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14326
14327         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
14328         decl with __attribute__ ((unused)) annotation.
14329
14330 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
14331
14332         PR target/69421
14333         * tree-vect-stmts.c (vectorizable_condition): Check vectype
14334         of operands is compatible with a statement vectype.
14335
14336 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14337
14338         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
14339         improve wording for mixed storage order support.
14340
14341 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
14342
14343         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
14344         (vcvt_u64_f64): Likewise.
14345         (vcvta_s64_f64): Likewise.
14346         (vcvta_u64_f64): Likewise.
14347         (vcvtm_s64_f64): Likewise.
14348         (vcvtm_u64_f64): Likewise.
14349         (vcvtn_s64_f64): Likewise.
14350         (vcvtn_u64_f64): Likewise.
14351         (vcvtp_s64_f64): Likewise.
14352         (vcvtp_u64_f64): Likewise.
14353
14354 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
14355
14356         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
14357         (arc_init): Check validity mll64 option.
14358         (arc_save_restore): Use double load/store instruction.
14359         (arc_expand_movmem): Likewise.
14360         (arc_split_move): Don't split if we have double load/store
14361         instructions. Returns a boolean.
14362         (arc_process_double_reg_moves): Change function to return boolean
14363         instead of a sequence of instructions.
14364         (arc_dwarf_register_span): New function.
14365         * config/arc/arc-protos.h (arc_split_move): Change prototype.
14366         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14367         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14368         (*movdf_insn): Likewise.
14369         * config/arc/arc.opt (mll64): New option.
14370         * config/arc/predicates.md (even_register_operand): New predicate.
14371         * doc/invoke.texi (ARC Options): Add mll64 documentation.
14372
14373 2016-01-25  Richard Biener  <rguenther@suse.de>
14374
14375         PR lto/69393
14376         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
14377         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
14378         DECL_NAMELESS.
14379         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
14380
14381 2016-01-25  Richard Biener  <rguenther@suse.de>
14382
14383         PR tree-optimization/69376
14384         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
14385         flag.
14386         (VN_INFO_ANTI_RANGE_P): New inline.
14387         (VN_INFO_RANGE_TYPE): Likewise.
14388         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
14389         SSA_NAME_ANTI_RANGE_P.
14390         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
14391         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14392         Properly query VN_INFO_RANGE_TYPE.
14393
14394 2016-01-25  Nick Clifton  <nickc@redhat.com>
14395
14396         PR target/66655
14397         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
14398
14399 2016-01-23  Tom de Vries  <tom@codesourcery.com>
14400
14401         PR tree-optimization/69426
14402         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
14403         removed clobber.
14404
14405 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
14406
14407         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
14408         "the the" with "the" in the comments.
14409         * ipa-devirt.c (build_type_inheritance_graph,
14410         update_type_inheritance_graph): Likewise.
14411         * tree.c (build_function_type_list_1): Likewise.
14412         * cfgloopmanip.c (scale_loop_profile): Likewise.
14413         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
14414         * gimple-ssa-split-paths.c
14415         (find_block_to_duplicate_for_splitting_paths): Likewise.
14416         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
14417         * expr.c (convert_move): Likewise.
14418         * var-tracking.c (vt_stack_adjustments): Likewise.
14419         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
14420         * tree-vrp.c (test_for_singularity): Likewise.
14421
14422         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
14423         directly instead of building a temporary tree.
14424
14425         PR bootstrap/69434
14426         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
14427         remove <algorithm> include.
14428
14429 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14430
14431         PR target/69432
14432         * config/i386/i386.c: Include dojump.h.
14433         (expand_small_movmem_or_setmem,
14434         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
14435         fixes.
14436         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
14437         if dynamic_check != -1.
14438
14439 2016-01-21  Jeff Law  <law@redhat.com>
14440
14441         PR middle-end/69347
14442         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
14443         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
14444         into dominated_by_p.
14445         (cprop_into_successor_phis): Avoid unnecessary tests.
14446
14447 2016-01-22  Richard Henderson  <rth@redhat.com>
14448
14449         PR target/69416
14450         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
14451         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
14452
14453 2016-01-22  Michael Matz  <matz@suse.de>
14454
14455         * system.h (string, algorithm): Include only conditionally.
14456         (new): Include always under C++.
14457         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14458         * final.c (toplevel): Ditto.
14459         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14460         * genconditions.c (write_header): Make gencondmd.c define
14461         INCLUDE_STRING.
14462         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14463
14464         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14465         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14466
14467 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14468
14469         PR target/68674
14470         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14471
14472 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14473
14474         PR target/69403
14475         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14476         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14477         get assigned the same register.
14478
14479 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14480
14481         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14482
14483 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14484
14485         * config/arm/arm-c.c (arm_pragma_target_parse):
14486         Remove warn_builtin_macro_redefined overwrite.
14487
14488 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14489
14490         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14491         flag_non_call_exceptions compatibility.
14492
14493 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14494
14495         PR debug/66668
14496         * dwarf2out.c (add_child_die_after): New function.
14497         (dwarf_qual_info_t): New type.
14498         (dwarf_qual_info): New variable.
14499         (qualified_die_p): New function.
14500         (modified_type_die): For -fdebug-types-section, ensure
14501         canonical order of qualifiers.  Put qualified DIEs adjacent
14502         to the corresponding non-qualified type DIE and search there
14503         for existing qualified DIEs.
14504
14505 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14506
14507         * doc/extend.texi (scalar_storage_order type attribute): Document
14508         restriction on type punning and aliasing, and remove future tense.
14509
14510 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14511
14512         PR target/69252
14513         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14514         first stage.
14515
14516 2016-01-21  Jeff Law  <law@redhat.com>
14517
14518         PR middle-end/69347
14519         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14520         useless call to record_temporary_equivalences.
14521         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14522         allocate 10 slots in the bb_path vector and let it grow as needed.
14523         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14524         vector.
14525
14526 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14527
14528         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14529         Detangle.
14530         * configure: Regenerate.
14531
14532 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14533
14534         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14535         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14536
14537 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14538
14539         PR middle-end/66178
14540         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14541         drop EXPAND_INITIALIZER.
14542         * rtl.h (contains_symbolic_reference_p): Declare.
14543         * rtlanal.c (contains_symbolic_reference_p): New function.
14544         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14545         a subtraction into a NOT if symbolic constants are involved.
14546
14547 2016-01-21  Anton Blanchard  <anton@samba.org>
14548             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14549
14550         PR target/63354
14551         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14552         #define.
14553         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14554         function.
14555
14556 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14557
14558         * config/microblaze/microblaze.c
14559         (get_branch_target): New.
14560         (insert_wic_for_ilb_runout): New.
14561         (insert_wic): New.
14562         (microblaze_machine_dependent_reorg): New.
14563         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14564         * config/microblaze/microblaze.md
14565         (UNSPEC_IPREFETCH): Define.
14566         (iprefetch): New pattern
14567         * config/microblaze/microblaze.opt
14568         (mxl-prefetch): New flag.
14569
14570 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14571
14572         * config/microblaze/microblaze.h
14573         (FIXED_REGISTERS): Update in macro.
14574         (CALL_USED_REGISTERS): Update in macro.
14575
14576 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14577
14578         PR rtl-optimization/68920
14579         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14580         moves.
14581
14582 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14583
14584         PR rtl-optimization/68990
14585         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14586         pseudo instead of inheritance ones.
14587
14588 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14589             Nick Clifton  <nickc@redhat.com>
14590
14591         PR target/69129
14592         PR target/69012
14593         * config/mips/mips.c (mips_compute_frame_info): Initialise
14594         args_size and hard_frame_pointer_offset fields of the frame
14595         structure before calling mips_global_pointer.
14596
14597 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14598
14599         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14600         label reference.
14601         * configure: Regenerate.
14602
14603 2016-01-21  Richard Biener  <rguenther@suse.de>
14604
14605         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14606
14607 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14608
14609         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14610         to actually emit the .size directive.
14611
14612 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14613              Jakub Jelinek  <jakub@redhat.com>
14614
14615         PR target/69187
14616         PR target/65624
14617         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14618         args array size by one to avoid buffer overflow.
14619
14620 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14621
14622         * config/s390/s390.md (pool_section_start): Use switch_to_section
14623         to select proper read-only data section instead of hardcoding
14624         .rodata.
14625         (pool_section_end): Use switch_to_section to match the above.
14626
14627 2016-01-21  Richard Biener  <rguenther@suse.de>
14628
14629         PR tree-optimization/69378
14630         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14631         (set_ssa_val_to): Use it for dominance checks taking into
14632         account not executable edges.
14633
14634 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14635
14636         PR c++/69355
14637         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14638         for bitsize instead of GET_MODE_PRECISION (mode).
14639
14640 2016-01-20  Martin Sebor  <msebor@redhat.com>
14641
14642         PR c/52291
14643         * extend.texi (__sync Builtins): Clarify the semantics of
14644         __sync_fetch_and_OP built-ins on pointers.
14645         (__atomic Builtins): Same.
14646
14647 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14648             Sebastian Pop  <s.pop@samsung.com>
14649
14650         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14651         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14652         (is_valid_rename): Same.
14653         (translate_isl_ast_to_gimple::get_rename): Same.
14654         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14655         (translate_isl_ast_to_gimple::rename_uses): Same.
14656         (get_new_name): Check for close_phi nodes.
14657         (copy_loop_phi_args): Use phi_node_kind.
14658         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14659         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14660
14661 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14662             Sebastian Pop  <s.pop@samsung.com>
14663
14664         Revert commit r229783.
14665         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14666         Remove use of parameter_rename_map.
14667         (copy_def): Remove.
14668         (copy_internal_parameters): Remove.
14669         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14670         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14671         (free_sese_info): Do not free parameter_rename_map.
14672         (set_rename): Do not use parameter_rename_map.
14673         (rename_uses): Update call to set_rename.
14674         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14675         * sese.h (parameter_rename_map_t): Remove.
14676         (struct sese_info_t): Remove field parameter_rename_map.
14677
14678 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14679             Sebastian Pop  <s.pop@samsung.com>
14680
14681         * graphite-isl-ast-to-gimple.c: Fix comment.
14682         * graphite-scop-detection.c (defined_in_loop_p): New.
14683         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14684         names defined in loop.
14685
14686 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14687             Sebastian Pop  <s.pop@samsung.com>
14688
14689         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14690         Discard unstructured if-then-else regions.
14691
14692 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14693             Sebastian Pop  <s.pop@samsung.com>
14694
14695         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14696         (cleanup_loop_iter_dom): Remove.
14697         (build_loop_iteration_domains): Remove.
14698         (build_scop_context): Remove.
14699         (build_scop_iteration_domain): Remove.
14700         (add_loop_constraints): New.
14701         (build_iteration_domains): New.
14702         (build_poly_scop): Call build_iteration_domains.
14703
14704 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14705             Sebastian Pop  <s.pop@samsung.com>
14706
14707         * graphite-scop-detection.c
14708         (scop_detection::harmful_loop_in_region): Free dom and loops.
14709         (scop_detection::loop_body_is_valid_scop): Free bbs.
14710
14711 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14712             Sebastian Pop  <s.pop@samsung.com>
14713
14714         * graphite-scop-detection.c (record_loop_in_sese): New.
14715         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14716         (build_scops): Remove call to build_sese_loop_nests.
14717         * sese.c (sese_record_loop): Remove.
14718         (build_sese_loop_nests): Remove.
14719         (new_sese_info): Remove region->loops.
14720         (free_sese_info): Same.
14721         * sese.h (sese_contains_loop): Same.
14722         (build_sese_loop_nests): Remove.
14723         (sese_contains_loop): Remove.
14724
14725 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14726             Sebastian Pop  <s.pop@samsung.com>
14727
14728         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14729         loop_is_valid_in_scop.
14730         (scop_detection::harmful_stmt_in_region): Renamed
14731         harmful_loop_in_region.
14732         Call loop_is_valid_in_scop.
14733
14734 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14735             Sebastian Pop  <s.pop@samsung.com>
14736
14737         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14738         isl_ast_node_mark.
14739
14740 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14741             Sebastian Pop  <s.pop@samsung.com>
14742
14743         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14744         * graphite.h (struct poly_bb): Remove field is_reduction.
14745         (PBB_IS_REDUCTION): Remove.
14746
14747 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14748             Sebastian Pop  <s.pop@samsung.com>
14749
14750         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14751         (add_pdr_constraints): Same.
14752         (scop_get_reads): Same.
14753         (scop_get_must_writes): Same.
14754         (scop_get_may_writes): Same.
14755         (scop_get_original_schedule): Same.
14756         (extend_schedule): Same.
14757         (apply_schedule_on_deps): Same.
14758         (carries_deps): Same.
14759         (compute_deps): Same.
14760         (scop_get_dependences): Same.
14761         * graphite-isl-ast-to-gimple.c
14762         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14763         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14764         (get_schedule_for_band_list): Same.
14765         (get_schedule_map): Same.
14766         (apply_schedule_map_to_scop): Same.
14767         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14768         (build_loop_iteration_domains): Same.
14769         (add_condition_to_pbb): Same.
14770         (add_param_constraints): Same.
14771         (pdr_add_memory_accesses): Same.
14772         (pdr_add_data_dimensions): Same.
14773
14774 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14775
14776         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14777         requirements.
14778
14779 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14780
14781         * common.opt (feliminate-dwarf2-dups): Replace references to
14782         "DWARF 2" with just "DWARF".
14783         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14784         * doc/extend.texi: Likewise.
14785         * doc/cpp.texi: Likewise.
14786         * doc/invoke.texi: Likewise.
14787         (Option Summary): Add -gdwarf to list of Debugging Options.
14788         (Debugging Options): Document -gdwarf.
14789         * doc/contrib.texi: Spell "DWARF" like that.
14790
14791 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14792
14793         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14794         warning.  Fix up formatting.
14795
14796         PR middle-end/67653
14797         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14798         attempt to mark memory input operand addressable and
14799         call prepare_gimple_addressable in that case.  Don't adjust
14800         input_location for diagnostics, use error_at instead.
14801
14802 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14803
14804         * config/rs6000/ppc-auxv.h: New file.
14805         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14806         (cpu_is): Likewise.
14807         (cpu_supports): Likewise.
14808         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14809         (cpu_is_info): New variable.
14810         (cpu_supports_info): Likewise.
14811         (tcb_verification_symbol): Likewise.
14812         (cpu_builtin_p): Likewise.
14813         (cpu_expand_builtin): New function.
14814         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14815         (rs6000_init_builtins): Likewise.
14816         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14817         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14818         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14819         * configure: Regenerate.
14820         * config.in: Likewise.
14821         * doc/extend.texi (PowerPC Built-in Functions): Document
14822         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14823
14824 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14825
14826         PR target/68609
14827         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14828         domain check.
14829         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14830         for V4SFmode.
14831
14832 2016-01-20  Richard Henderson  <rth@redhat.com>
14833
14834         PR bootstrap/69343
14835         PR bootstrap/69339
14836         PR tree-opt/68964
14837         Revert:
14838         * tree.c (tm_define_builtin): New.
14839         (find_tm_vector_type): New.
14840         (build_tm_vector_builtins): New.
14841         (build_common_builtin_nodes): Call it.
14842
14843 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14844
14845         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14846         (arm_fp_ok): Likewise.
14847         (arm_fp): Likewise.
14848         (arm_crypto): Likewise.
14849
14850 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14851             Richard Biener  <rguenther@suse.de>
14852
14853         PR tree-optimization/69328
14854         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14855         vectors have same number of elements.
14856         (vectorizable_condition): Fix masked version recognition.
14857
14858 2016-01-20  Richard Biener  <rguenther@suse.de>
14859
14860         PR tree-optimization/69345
14861         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14862         (VN_INFO_PTR_INFO): Likewise.
14863         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14864         info when it is equal between non-dominating SSA names.
14865         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14866         Make sure to look at original SSA infos.
14867
14868 2016-01-20  Jeff Law  <law@redhat.com>
14869
14870         PR target/25114
14871         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14872         extracted from ...
14873         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14874         (pc_or_label_operand): New predicate.
14875         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14876         tests for small integers that are 2^n - 1.
14877
14878 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14879
14880         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14881
14882 2016-01-19  Jeff Law  <law@redhat.com>
14883
14884         PR middle-end/69347
14885         * tree-ssa-threadbackwards.c
14886         (fsm_find_control_statement_thread_paths): Do not try to lookup
14887         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14888
14889 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14890
14891         * doc/lto.texi: Remove text that says only Gold has linker plugin
14892         support.
14893
14894 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14895
14896         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14897         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14898         the DIE accordingly.
14899         (modified_type_die): Add REVERSE parameter and pass it recursively,
14900         as well as to base_type_die.  Adjust presence check accordingly.
14901         (base_type_for_mode): Adjust call to modified_type_die.
14902         (add_type_attribute): Add REVERSE parameter and pass it to
14903         modified_type_die.
14904         (generic_parameter_die): Adjust call to add_type_attribute.
14905         (add_scalar_info): Likewise.
14906         (add_subscript_info): Likewise.
14907         (gen_array_type_die): Likewise.
14908         (gen_descr_array_type_die): Likewise.
14909         (gen_entry_point_die): Likewise.
14910         (gen_enumeration_type_die): Likewise.
14911         (gen_formal_parameter_die): Likewise.
14912         (gen_subprogram_die): Likewise.
14913         (gen_variable_die ): Likewise.
14914         (gen_const_die): Likewise.
14915         (gen_field_die): Likewise.
14916         (gen_pointer_type_die): Likewise.
14917         (gen_reference_type_die): Likewise.
14918         (gen_ptr_to_mbr_type_die): Likewise.
14919         (gen_inheritance_die): Likewise.
14920         (gen_subroutine_type_die): Likewise.
14921         (gen_typedef_die): Likewise.
14922         (force_type_die): Adjust call to modified_type_die.
14923
14924 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14925
14926         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14927         flow throughout the file.  Fix broken link to Objective-C 2.0
14928         documentation.
14929         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14930         errors.
14931
14932 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14933
14934         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14935
14936 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14937
14938         PR ipa/66223
14939         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14940         (maybe_record_node): Record cxa_pure_virtual as the only possible
14941         target if there are not ohter candidates.
14942         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14943
14944 2016-01-19  Richard Biener  <rguenther@suse.de>
14945
14946         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14947         (get_memory_order): Likewise.
14948
14949 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14950
14951         * tree-vect-stmts.c (vectorizable_store): Check
14952         rhs vectype.
14953
14954 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14955
14956         PR jit/68446
14957         * gcc.c (driver::decode_argv): Add call to
14958         init_opts_obstack before init_options_struct.
14959         * opts.c (init_opts_obstack): Remove idempotency.
14960         (init_options_struct): Replace call to init_opts_obstack
14961         with a gcc_assert to verify that it has already been called.
14962         * toplev.c (toplev::main): Add call to init_opts_obstack before
14963         calls to init_options_struct.
14964         (toplev::finalize): Move cleanup of opts_obstack next to
14965         cleanup of save_decoded_options, clearing the latter, and
14966         save_decoded_options_count.
14967
14968 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14969
14970         PR target/69135
14971         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14972         attribute to unconditional.  Remove %? from output template.
14973
14974 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14975             Jiong Wang  <jiong.wang@arm.com>
14976
14977         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14978         generated from different expand order.
14979
14980 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14981
14982         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14983         Add support for CCMP costing.
14984
14985 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14986
14987         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14988         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14989         (fccmpe<mode>): Likewise.
14990         (fcmp): Rename to fcmp and globalize pattern.
14991         (fcmpe): Likewise.
14992         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14993         (aarch64_gen_ccmp_next): Add FP support.
14994
14995 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14996
14997         * target.def (gen_ccmp_first): Update documentation.
14998         (gen_ccmp_next): Likewise.
14999         * doc/tm.texi (gen_ccmp_first): Update documentation.
15000         (gen_ccmp_next): Likewise.
15001         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
15002         expand_ccmp_expr_1.  Improve comments.
15003         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
15004         (ccmp_ior<mode>): Remove pattern.
15005         (cmp<mode>): Remove expand.
15006         (cmp): Globalize pattern.
15007         (cstorecc4): Use cc_register.
15008         (mov<mode>cc): Remove ccmp_cc_register check.
15009         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
15010         Simplify after removal of CC_DNE/* modes.
15011         (aarch64_ccmp_mode_to_code): Remove.
15012         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
15013         In 'k' case use integer as condition.
15014         (aarch64_nzcv_codes): Remove inverted cases.
15015         (aarch64_code_to_ccmode): Remove.
15016         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
15017         comparison with CC register to be used in folowing CCMP/branch/CSEL.
15018         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
15019         pattern.  Return the comparison with CC register.  Invert conditions
15020         when bitcode is OR.
15021         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
15022         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
15023
15024 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15025
15026         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15027         instrumented_version.
15028
15029 2016-01-19  Richard Biener  <rguenther@suse.de>
15030
15031         PR tree-optimization/69336
15032         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
15033         handled components with get_ref_base_and_extent.
15034         (equal_mem_array_ref_p): Adjust.
15035
15036 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15037
15038         PR debug/65779
15039         * shrink-wrap.c: Include valtrack.h.
15040         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
15041         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
15042         in between insn and where it will be moved to.  Call
15043         dead_debug_insert_temp.
15044         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
15045         first and dead_debug_local_finish at the end.
15046         For uses and defs bitmap, handle all regs in between REGNO and
15047         END_REGNO, not just the first one.
15048
15049 2016-01-19  Richard Biener  <rguenther@suse.de>
15050
15051         PR tree-optimization/69352
15052         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
15053         (equal_mem_array_ref_p): Constrain size and max size properly.
15054         Compare the reverse flag.
15055
15056 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
15057
15058         * ira.c (ira): Update regstat data if we deleted insns.
15059
15060 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
15061
15062         PR rtl-optimization/68955
15063         PR rtl-optimization/64557
15064         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
15065         here.  Fix up formatting.
15066         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
15067
15068 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15069
15070         PR lto/69133
15071         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
15072         assume that the node has body.
15073         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
15074         check.
15075
15076 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15077
15078         * lto-streamer-out.c (lto_output): Do not stream instrumentation
15079         thunks.
15080
15081 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15082
15083         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
15084         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
15085
15086 2016-01-19  Martin Jambor  <mjambor@suse.cz>
15087             Martin Liska  <mliska@suse.cz>
15088             Michael Matz  <matz@suse.de>
15089
15090         * Makefile.in (OBJS): Add new source files.
15091         (GTFILES): Add hsa.c.
15092         * common.opt (disable_hsa): New variable.
15093         (-Whsa): New warning.
15094         * config.in (ENABLE_HSA): New.
15095         * configure.ac: Treat hsa differently from other accelerators.
15096         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
15097         $enable_offloading.
15098         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
15099         * doc/install.texi (Configuration): Document --with-hsa-runtime,
15100         --with-hsa-runtime-include, --with-hsa-runtime-lib and
15101         --with-hsa-kmt-lib.
15102         * doc/invoke.texi (-Whsa): Document.
15103         (hsa-gen-debug-stores): Likewise.
15104         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
15105         to invoke offload compiler for hsa acclerator.
15106         * opts.c (common_handle_option): Determine whether HSA offloading
15107         should be performed.
15108         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
15109         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
15110         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
15111         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
15112         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
15113         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
15114         GF_OMP_FOR_KIND_GRID_LOOP.
15115         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
15116         (pp_gimple_stmt_1): Likewise.
15117         * gimple-walk.c (walk_gimple_stmt): Likewise.
15118         * gimple.c (gimple_build_omp_grid_body): New function.
15119         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
15120         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
15121         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
15122         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
15123         GF_OMP_TEAMS_GRID_PHONY.
15124         (gimple_statement_omp_single_layout): Updated comments.
15125         (gimple_build_omp_grid_body): New function.
15126         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
15127         (gimple_omp_for_grid_phony): New function.
15128         (gimple_omp_for_set_grid_phony): Likewise.
15129         (gimple_omp_parallel_grid_phony): Likewise.
15130         (gimple_omp_parallel_set_grid_phony): Likewise.
15131         (gimple_omp_teams_grid_phony): Likewise.
15132         (gimple_omp_teams_set_grid_phony): Likewise.
15133         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
15134         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
15135         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
15136         (BUILT_IN_GOMP_TARGET): Updated type.
15137         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
15138         (adjust_for_condition): New function.
15139         (get_omp_for_step_from_incr): Likewise.
15140         (extract_omp_for_data): Moved parts to adjust_for_condition and
15141         get_omp_for_step_from_incr.
15142         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
15143         (fixup_child_record_type): Bail out if receiver_decl is NULL.
15144         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
15145         (scan_omp_parallel): Do not create child functions for phony
15146         constructs.
15147         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
15148         (scan_omp_1_op): Checking assert we are not remapping to
15149         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
15150         (parallel_needs_hsa_kernel_p): New function.
15151         (expand_parallel_call): Register apprpriate parallel child
15152         functions as HSA kernels.
15153         (grid_launch_attributes_trees): New type.
15154         (grid_attr_trees): New variable.
15155         (grid_create_kernel_launch_attr_types): New function.
15156         (grid_insert_store_range_dim): Likewise.
15157         (grid_get_kernel_launch_attributes): Likewise.
15158         (get_target_argument_identifier_1): Likewise.
15159         (get_target_argument_identifier): Likewise.
15160         (get_target_argument_value): Likewise.
15161         (push_target_argument_according_to_value): Likewise.
15162         (get_target_arguments): Likewise.
15163         (expand_omp_target): Call get_target_arguments instead of looking
15164         up for teams and thread limit.
15165         (grid_expand_omp_for_loop): New function.
15166         (grid_arg_decl_map): New type.
15167         (grid_remap_kernel_arg_accesses): New function.
15168         (grid_expand_target_kernel_body): New function.
15169         (expand_omp): Call it.
15170         (lower_omp_for): Do not emit phony constructs.
15171         (lower_omp_taskreg): Do not emit phony constructs but create for them
15172         a temporary variable receiver_decl.
15173         (lower_omp_taskreg): Do not emit phony constructs.
15174         (lower_omp_teams): Likewise.
15175         (lower_omp_grid_body): New function.
15176         (lower_omp_1): Call it.
15177         (grid_reg_assignment_to_local_var_p): New function.
15178         (grid_seq_only_contains_local_assignments): Likewise.
15179         (grid_find_single_omp_among_assignments_1): Likewise.
15180         (grid_find_single_omp_among_assignments): Likewise.
15181         (grid_find_ungridifiable_statement): Likewise.
15182         (grid_target_follows_gridifiable_pattern): Likewise.
15183         (grid_remap_prebody_decls): Likewise.
15184         (grid_copy_leading_local_assignments): Likewise.
15185         (grid_process_kernel_body_copy): Likewise.
15186         (grid_attempt_target_gridification): Likewise.
15187         (grid_gridify_all_targets_stmt): Likewise.
15188         (grid_gridify_all_targets): Likewise.
15189         (execute_lower_omp): Call grid_gridify_all_targets.
15190         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
15191         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
15192         (tree_omp_clause): Added union field dimension.
15193         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
15194         * tree.c (omp_clause_num_ops): Added number of arguments of
15195         OMP_CLAUSE__GRIDDIM_.
15196         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
15197         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
15198         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
15199         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
15200         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
15201         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
15202         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
15203         * tree-pass.h (make_pass_gen_hsail): Declare.
15204         (make_pass_ipa_hsa): Likewise.
15205         * ipa-hsa.c: New file.
15206         * lto-section-in.c (lto_section_name): Add hsa section name.
15207         * lto-streamer.h (lto_section_type): Add hsa section.
15208         * timevar.def (TV_IPA_HSA): New.
15209         * hsa-brig-format.h: New file.
15210         * hsa-brig.c: New file.
15211         * hsa-dump.c: Likewise.
15212         * hsa-gen.c: Likewise.
15213         * hsa.c: Likewise.
15214         * hsa.h: Likewise.
15215         * toplev.c (compile_file): Call hsa_output_brig.
15216         * hsa-regalloc.c: New file.
15217
15218 2016-01-18  Jeff Law  <law@redhat.com>
15219
15220         PR tree-optimization/69320
15221         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
15222         ranged object, do nothing if the RHS constant is not [0..1].
15223         (optimize_stmt): Comparing a boolean ranged object against a
15224         constant outside [0..1] results in a compile-time constant.
15225
15226         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
15227         test.
15228
15229 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
15230
15231         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15232         (Option Summary): Update to reflect new section and moved options.
15233         (C++ Dialect Options): Move -fstats to new section.
15234         (Debugging Options): Move all dump, statistics, and other GCC
15235         developer options to new section.  Rewrite section introduction
15236         and re-order remaining options to put the more basic ones first.
15237         (Optimization Options): Move -fira-verbose and -flto-report* to
15238         new section.
15239         (Developer Options): New section incorporating moved options.
15240         * doc/cppopts.texi (-dM): Update cross-reference.
15241
15242 2016-01-18  Richard Henderson  <rth@redhat.com>
15243
15244         PR target/69176
15245         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
15246         operands to pseudo only if CSE is expected.  Split long immediate
15247         operands only after reload, and for the stack pointer.
15248         (*add<GPI>3_pluslong): Remove.
15249         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
15250         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
15251         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
15252         (*add<GPI>3 peepholes): New.
15253         (*add<GPI>3 splitters): New.
15254         * config/aarch64/constraints.md (Upl): New.
15255         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
15256
15257 2016-01-18  Richard Biener  <rguenther@suse.de>
15258
15259         PR tree-optimization/69297
15260         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
15261         stmt at most once.
15262         (vect_bb_vectorization_profitable_p): Clear visited flag again.
15263
15264 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
15265
15266         PR middle-end/68542
15267         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
15268         of mixind vector and scalar types.
15269         (fold_relational_const): Add handling of vector
15270         comparison with boolean result.
15271         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
15272         comparison of vector operands with boolean result for EQ/NE only.
15273         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
15274         (verify_gimple_cond): Likewise.
15275         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
15276         valid type of VAL.
15277
15278 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
15279
15280         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
15281         !TARGET_OCTEON.
15282
15283 2016-01-18  Richard Biener  <rguenther@suse.de>
15284
15285         PR middle-end/69308
15286         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
15287
15288 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15289
15290         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
15291
15292 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15293
15294         * omp-low.c (set_oacc_fn_attrib): Make extern.
15295         * omp-low.h (set_oacc_fn_attrib): Declare.
15296         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
15297         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
15298         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
15299         Add and handle function parameter oacc_kernels_p.
15300         (find_reduc_addr, get_omp_data_i_param): New function.
15301         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
15302         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
15303         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
15304         Calculate dominance info.  Skip loops that are not in a kernels region
15305         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
15306         (pass_parallelize_loops::execute): Call parallelize_loops with
15307         oacc_kernels_p argument.
15308         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
15309         New member function.
15310         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
15311         * passes.def: Add argument to pass_parallelize_loops instantation.
15312
15313 2016-01-18  Tom de Vries  <tom@codesourcery.com>
15314
15315         * tree-parloops.c (pass_parallelize_loops::execute): Allow
15316         pass_parallelize_loops to be run outside the loop pipeline.
15317
15318 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15319
15320         * tree-scalar-evolution.c (follow_copies_to_constant): New.
15321         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
15322
15323 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15324
15325         PR target/63679
15326         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
15327         using get_ref_base_and_extent.
15328         (equal_mem_array_ref_p): New.
15329         (hashable_expr_equal_p): Add call to previous.
15330
15331 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
15332
15333         PR target/63679
15334         * tree-sra.c (disqualified_constants, constant_decl_p): New.
15335         (sra_initialize): Allocate disqualified_constants.
15336         (sra_deinitialize): Free disqualified_constants.
15337         (disqualify_candidate): Update disqualified_constants when appropriate.
15338         (create_access): Scan for constant-pool entries as we go along.
15339         (scalarizable_type_p): Add check against type_contains_placeholder_p.
15340         (maybe_add_sra_candidate): Allow constant-pool entries.
15341         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
15342         (initialize_constant_pool_replacements): New.
15343         (sra_modify_assign): Avoid mangling assignments created by previous,
15344         and don't generate writes into constant pool.
15345         (sra_modify_function_body): Call initialize_constant_pool_replacements.
15346
15347 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
15348
15349         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
15350         andnot instruction.
15351         (scalar_chain::convert_op): Likewise.
15352         * config/i386/i386.md (*andndi3_doubleword): New.
15353
15354 2016-01-18  Richard Biener  <rguenther@suse.de>
15355
15356         PR tree-optimization/69170
15357         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
15358         building a vector from scalar results of a pattern stmt.
15359
15360 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
15361
15362         * haifa-sched.c (autopref_multipass_init): Work around
15363         -Wmaybe-uninitialized warning.
15364
15365 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15366
15367         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15368         against the constant 0.
15369
15370 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15371
15372         PR tree-optimization/68799
15373         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15374         look up phi candidates in the statement-candidate map.
15375         (phi_add_costs): Likewise.
15376         (record_phi_increments): Likewise.
15377         (phi_incr_cost): Likewise.
15378         (ncd_with_phi): Likewise.
15379         (all_phi_incrs_profitable): Likewise.
15380
15381 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
15382
15383         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
15384         -Wmaybe-uninitialized warning.
15385
15386 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
15387
15388         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15389         (Option Summary): Update to reflect new section and moved options.
15390         (C++ Dialect Options): Move -fvtable-verify and related options.
15391         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
15392         and profiling-related options.
15393         (Optimization Options): Move profile generation options and
15394         -fstack-protector and related options.
15395         (Instrumentation Options): New section incorporating moved options.
15396         (Code Generation Options): Move -finstrument-functions and
15397         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
15398
15399 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15400
15401         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
15402
15403 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15404
15405         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
15406
15407 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
15408
15409         * hash-table.h (hash_table::empty): Turn into an inline wrapper
15410         that checks whether the table is already empty.  Rename the
15411         original implementation to...
15412         (hash_table::empty_slot): ...this new private function.
15413
15414 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
15415
15416         PR diagnostic/68899
15417         * diagnostic-show-locus.c (layout::print_source_line): Move x
15418         offset of line until after call to
15419         get_line_width_without_trailing_whitespace.
15420
15421 2016-01-15  Jeff Law  <law@redhat.com>
15422
15423         PR tree-optimization/69270
15424         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
15425         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
15426         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
15427         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
15428         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
15429         ssa_name_has_boolean_range and constant_boolean_node.
15430
15431 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
15432
15433         PR rtl-optimization/69030
15434         * lra-spills.c (remove_pseudos): Check nrefs and make the function
15435         returning bool.
15436         (spill_pseudos): Delete debug insn for dead pseudo.
15437         (lra_spill): Initiate spill_hard_reg and slots memory separately.
15438
15439 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
15440
15441         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
15442         New.
15443         (TYPES_UNOPUS): Likewise.
15444         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
15445         builtin type, from UNOP to UNOPUS.
15446         (lbtruncuv4sf): Likewise.
15447         (lbtruncuv2df): Likewise.
15448         (lrounduv2sf): Likewise.
15449         (lrounduv4sf): Likewise.
15450         (lrounduv2df): Likewise.
15451         (lroundusf): Likewise.
15452         (lroundusf): Likewise.
15453         (lceiluv2sf): Likewise.
15454         (lceiluv4sf): Likewise.
15455         (lceiluv2df): Likewise.
15456         (lceilusf): Likewise.
15457         (lceiludf): Likewise.
15458         (lflooruv2sf): Likewise.
15459         (lflooruv4sf): Likewise.
15460         (lflooruv2df): Likewise.
15461         (lfloorusf): Likewise.
15462         (lfloorudf): Likewise.
15463         (lfrintnuv2sf): Likewise.
15464         (lfrintnuv4sf): Likewise.
15465         (lfrintnuv2df): Likewise.
15466         (lfrintnusf): Likewise.
15467         (lfrintnudf): Likewise.
15468         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15469         conversion.
15470         (vcvtq_u32_f32): Likewise.
15471         (vcvtq_u64_f64): Likewise.
15472         (vcvta_u32_f32): Likewise.
15473         (vcvtaq_u32_f32): Likewise.
15474         (vcvtaq_u64_f64): Likewise.
15475         (vcvtm_u32_f32): Likewise.
15476         (vcvtmq_u32_f32): Likewise.
15477         (vcvtmq_u64_f64): Likewise.
15478         (vcvtn_u32_f32): Likwise.
15479         (vcvtnq_u32_f32): Likewise.
15480         (vcvtnq_u64_f64): Likewise.
15481         (vcvtp_u32_f32): Likewise.
15482         (vcvtpq_u32_f32): Likewise.
15483         (vcvtpq_u64_f64): Likewise.
15484         (vcvtmd_u64_f64): Likewise.
15485         (vcvtms_u32_f32): Likewise.
15486         (vcvtad_u64_f64): Likewise.
15487         (vcvtas_u32_f32): Likewise.
15488         (vcvtnd_u64_f64): Likewise.
15489         (vcvtns_u32_f32): Likewise.
15490         (vcvtpd_u64_f64): Likewise.
15491         (vcvtps_u32_f32): Likewise.
15492
15493 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15494
15495         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15496         CSEL of zero_extended registers.
15497
15498 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15499
15500         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15501         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15502
15503 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15504
15505         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15506         false when argument string is not found in the attributes table
15507         at all.
15508
15509 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15510
15511         PR target/68609
15512         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15513         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15514         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15515         precision estimate.
15516
15517 2016-01-15  Richard Biener  <rguenther@suse.de>
15518
15519         PR tree-optimization/66856
15520         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15521         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15522         (vect_create_new_slp_node): Increment stmt reference count.
15523         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15524         an SLP tree before swapping operands.
15525         (vect_build_slp_tree): Likewise.
15526         (destroy_bb_vec_info): Free stmt info after SLP instances.
15527         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15528         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15529         (STMT_VINFO_NUM_SLP_USES): New macro.
15530
15531 2016-01-15  Richard Biener  <rguenther@suse.de>
15532
15533         PR debug/69137
15534         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15535         (add_linkage_name): ... here.
15536         (gen_typedef_die): Use add_linkage_name_raw instead of
15537         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15538         if necessary.
15539
15540 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15541
15542         * gimplify.c (oacc_default_clause): Decode reference and pointer
15543         types for both kernels and parallel regions.
15544
15545 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15546
15547         PR middle-end/69246
15548         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15549
15550 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15551
15552         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15553         (convert_scalars_to_vector): Likewise.
15554
15555 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15556
15557         * doc/extend.texi (Type Traits): Fix grammar.
15558
15559 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15560
15561         * tree-inline.c (remap_decl): Use existing dclarations if
15562         remapping a type and prevent_decl_creation_for_types.
15563         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15564         decls first.  Do real remapping with
15565         prevent_decl_creation_for_types set.
15566         * tree-inline.h (copy_body_data): New field
15567         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15568         padding.
15569
15570 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15571
15572         * config/s390/s390.opt (mmvcle): More verbose help text.
15573
15574 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15575
15576         * config/s390/s390.opt: Add period to -mzvector option text.
15577
15578 2016-01-15  Richard Biener  <rguenther@suse.de>
15579
15580         PR tree-optimization/68961
15581         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15582         of invariants in stores again.
15583
15584 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15585
15586         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15587
15588 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15589
15590         * config/i386/i386.c (ix86_expand_branch): Don't split
15591         DI mode xor instruction to SI mode.
15592
15593 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15594
15595         PR ipa/68148
15596         * ipa-icf.c (sem_function::merge): Virtual functions may become
15597         reachable even if they address is not taken and there are no
15598         idrect calls.
15599
15600 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15601
15602         * lto-streamer-out.c (subtract_estimated_size): New function.
15603         (get_symbol_initial_value): Use it.
15604
15605 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15606
15607         PR target/65837
15608         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15609         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15610         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15611         use add_builtin_function_ext_scope instead of add_builtin_function.
15612         (neon_set_p, neon_crypto_set_p): Remove.
15613         (arm_init_builtins): Always call arm_init_neon_builtins and
15614         arm_init_crypto_builtins.
15615         (arm_expand_builtin): Check that builtins are allowed for the arch.
15616         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15617         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15618         arm_init_neon_builtins call.
15619
15620 2016-01-15  Richard Biener  <rguenther@suse.de>
15621
15622         PR tree-optimization/69117
15623         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15624         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15625         of the leader conservatively.
15626         (free_scc_vn): Restore original SSA name infos.
15627
15628 2016-01-14  Jeff Law  <law@redhat.com>
15629
15630         PR tree-optimization/69270
15631         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15632         single bit of precision, verify it's also unsigned.
15633         (record_edge_info): Use constant_boolean_node rather than fold_convert
15634         to convert boolean_true/boolean_false to the right type.
15635
15636 2016-01-14  Richard Henderson  <rth@redhat.com>
15637
15638         PR rtl-opt/69014
15639         * loop-doloop.c (record_reg_sets): New.
15640         (doloop_optimize): Reject the transform if the sequence
15641         clobbers registers live at the end of the loop block.
15642         (doloop_optimize_loops): Enable df_live if needed.
15643
15644 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15645
15646         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15647         * config/rs6000/rs6000.c: Likewise.
15648         * config/rs6000/rs6000.h: Likewise.
15649         * config/rs6000/rs6000.md: Likewise.
15650         * doc/extend.texi: Likewsie.
15651
15652 2016-01-14  Jeff Law  <law@redhat.com>
15653
15654         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15655         typo.
15656
15657 2016-01-14  Richard Henderson  <rth@redhat.com>
15658
15659         PR c/69272
15660         PR tree-opt/68964
15661         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15662         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15663         instead of builtin_decl_declared_p to test for declaration.
15664
15665 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15666
15667         * doc/loop.texi (Loop Analysis and Representation): Document
15668         loop_depth function.
15669
15670 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15671
15672         PR tree-optimization/68773
15673         * omp-low.c (expand_omp_target): Don't set force_output.
15674         * varpool.c (varpool_node::get_create): Same.
15675         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15676         offload_funcs with force_output.
15677
15678 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15679
15680         PR debug/69244
15681         * lra-eliminations.c (move_plus_up): Don't change anything if either
15682         the outer or inner subreg mode is not MODE_INT.
15683         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15684         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15685
15686 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15687
15688         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15689         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15690         reduc_uplus_@var{m}): Remove.
15691         * expr.c (expand_expr_real_2): Remove expansion path for
15692         reduc_[us](min|max|plus) optabs.
15693         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15694         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15695         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15696         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15697         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15698         reduc_[us](min|max|plus) optabs.
15699
15700 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15701
15702         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15703         (reduc_plus_scal_v2sf): New.
15704         (reduc_smax_v2sf): Rename to...
15705         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15706         (reduc_smin_v2sf): Rename to...
15707         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15708
15709 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15710
15711         * alias.c (compare_base_symbol_refs): New function.
15712         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15713         it.
15714
15715 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15716
15717         PR middle-end/68146
15718         PR tree-optimization/69155
15719         * tree-complex.c: Include cfganal.h.
15720         (phis_to_revisit): New variable.
15721         (extract_component): Add phiarg_p argument.  Assert that returned
15722         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15723         (update_phi_components): Partly rewrite to use loop over real/imag
15724         components instead of code duplication.  If extract_component returns
15725         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15726         create_tmp_reg into the PHI node instead, and mention the phi triplet
15727         in phis_to_revisit.
15728         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15729         in phis_to_revisit at the end.
15730
15731 2016-01-14  Richard Biener  <rguenther@suse.de>
15732
15733         PR tree-optimization/68060
15734         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15735         outer loop reduction is only used in the inner loop before
15736         detecting a double reduction.
15737
15738 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15739
15740         PR target/68269
15741         * combine.c (expand_field_assignment): Punt if compute_mode is
15742         unsupported scalar mode.
15743
15744 2016-01-14  Richard Biener  <rguenther@suse.de>
15745
15746         PR tree-optimization/66856
15747         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15748         SLP node only if it built successfully.
15749         (vect_analyze_slp_instance): Adjust.
15750
15751 2016-01-14  Jeff Law  <law@redhat.com>
15752
15753         PR tree-optimization/69270
15754         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15755         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15756         to the type of op0.
15757
15758 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15759
15760         PR ipa/66487
15761         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15762         use block_ultimate_origin
15763         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15764
15765 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15766
15767         * doc/invoke.texi (Submodel Options): Rename section to
15768         "Machine-Dependent Options" to better reflect its content.
15769         Rewrite introductory text to remove archaic CPU names.
15770         Update references.
15771
15772 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15773
15774         * doc/invoke.texi (Code Gen Options): Move section up in file,
15775         before target-specific options.  Update menu and option summary
15776         to reflect the new section ordering.
15777
15778 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15779
15780         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15781         (C++ Dialect Options): Add cross-reference to -std option.
15782         * doc/standards.texi (C++ Language): Document C++14 support.
15783
15784 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15785
15786         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15787         for pack/unpack functions for __ibm128.
15788         (PACK_IF): Likewise.
15789         (UNPACK_IF): Likewise.
15790
15791         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15792         support for __ibm128 pack/unpack functions.
15793         (rs6000_invalid_builtin): Likewise.
15794         (rs6000_init_builtins): Likewise.
15795         (rs6000_opt_masks): Likewise.
15796
15797         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15798         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15799         functions
15800         (RS6000_BTM_COMMON): Likewise.
15801
15802         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15803         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15804         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15805         128-bit floating point.  Add support for the double values to be
15806         in Altivec registers for TF/IF packing and unpacking, but restrict
15807         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15808         register support for packing.  Allow pack inputs to be memory
15809         locations.  Don't build generator functions for unpack<mode>_dm
15810         and unpack<mode>_nodm.
15811         (unpack<mode>_dm): Likewise.
15812         (unpack<mode>_nodm): Likewise.
15813         (pack<mode>): Likewise.
15814
15815         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15816         built-in functions to pack/unpack explicit __ibm128 values.
15817         (__builtin_unpack_ibm128): Likewise.
15818
15819         * doc/extend.texi (PowerPC Built-in Functions): Document
15820         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15821
15822 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15823
15824         PR c/66208
15825         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15826         Add new arg loc and pass it down as context.
15827         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15828         to the location to use for the warning.
15829         (check_function_arguments): New arg loc.  All callers changed.  Pass
15830         it to check_function_nonnull.
15831         * c-common.h (check_function_arguments): Adjust declaration.
15832
15833 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15834
15835         PR tree-optimization/69156
15836         * gimple.c (validate_type): Removed.
15837         (gimple_builtin_call_types_compatible_p): Use
15838         useless_type_conversion_p instead of validate_type.
15839         * value-prof.c (gimple_stringop_fixed_value): Fold
15840         icall_size to correct type.
15841
15842 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15843
15844         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15845         effects.
15846
15847 2016-01-13  Richard Henderson  <rth@redhat.com>
15848
15849         PR tree-opt/68964
15850         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15851         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15852         (ix86_builtin_tm_store): Remove.
15853         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15854         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15855         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15856         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15857         * doc/tm.texi: Rebuild.
15858
15859         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15860         (BUILT_IN_TM_MEMCPY_RTWN): New.
15861         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15862         fallback from vector to integer helpers.
15863         (build_tm_load): Handle vector types directly, instead of
15864         via target hook.
15865         (build_tm_store): Likewise.
15866         (expand_assign_tm): Prepare for register types not handled by
15867         the above.  Copy them to memory and use memcpy.
15868         * tree.c (tm_define_builtin): New.
15869         (find_tm_vector_type): New.
15870         (build_tm_vector_builtins): New.
15871         (build_common_builtin_nodes): Call it.
15872
15873 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15874
15875         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15876         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15877
15878 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15879
15880         PR tree-optimization/69169
15881         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15882         handled_struct_type param.
15883         (create_variable_info_for, intra_create_variable_infos): Call
15884         create_variable_info_for_1 with extra arg.
15885
15886 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15887
15888         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15889         and "armv8.1-a+crc" entries.
15890
15891 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15892
15893         PR target/69228
15894         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15895         Change first operand predicate from register_or_constm1_operand
15896         to register_operand.
15897         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15898         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15899         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15900         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15901         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15902         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15903         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15904         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15905         comparison with constm1_rtx from vec_prefetch_gen part.
15906
15907 2016-01-13  Richard Biener  <rguenther@suse.de>
15908
15909         PR tree-optimization/69013
15910         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15911         Exchange assert for a test.
15912
15913 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15914
15915         PR target/69247
15916         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15917
15918 2016-01-13  Richard Biener  <rguenther@suse.de>
15919
15920         PR tree-optimization/69242
15921         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15922         assert with a check.
15923
15924 2016-01-13  Richard Biener  <rguenther@suse.de>
15925
15926         PR tree-optimization/69186
15927         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15928         Properly guard vect_update_misalignment_for_peel call.
15929
15930 2016-01-12  Jeff Law  <law@redhat.com>
15931
15932         PR tree-optimization/pr67755
15933         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15934         "need_profile_correction".
15935         (thread_block_1): Initialize new field to false by default.  If we
15936         have multiple thread paths through a common joiner to different
15937         final targets, then set new field to true.
15938         (compute_path_counts): Only do count adjustment when it's really
15939         needed.
15940
15941 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15942
15943         * doc/invoke.texi (Spec Files): Move section down in file, past
15944         all command-line option descriptions.
15945
15946 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15947
15948         PR middle-end/54809
15949         * doc/gty.texi: Remove documentation of mark_hook.
15950         * gengtype.c (struct write_types_data): Remove code to support
15951         mark_hook attribute.
15952         (walk_type): Likewise.
15953         (write_func_for_structure): Likewise.
15954
15955 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15956
15957         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15958         Directory Options, and -specs= to Overall Options.
15959         (Overall Options): Adjust similarly.  Reorder to group related
15960         options together.  Make -specs= cross-reference the spec file details.
15961         (Directory Options): Adjust similarly.
15962
15963 2016-01-12  Jeff Law  <law@redhat.com>
15964
15965         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15966
15967 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15968
15969         * gcc.c (spec_undefvar_allowed): New global.
15970         (process_command): Set to true when running for --version or --help,
15971         alone or together.
15972         (getenv_spec_function): When the variable is not defined, use the
15973         variable name as the variable value if we're allowed not to issue
15974         a fatal error.
15975
15976 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15977
15978         PR tree-optimization/68911
15979         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15980         information computed for expression "init + nit * step".
15981
15982 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15983
15984         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15985         about name of GCC executable.  Remove deleted node from menu.
15986         (Directory Options) <-B>: Remove cross-reference to deleted node.
15987         (Target Options): Delete section.
15988
15989 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15990
15991         PR target/69180
15992         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15993         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15994
15995 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15996
15997         PR target/69198
15998         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15999         aligned_mem is properly set for AVX512-VL floating point masked
16000         stores.
16001
16002         PR target/69175
16003         * ifcvt.c (cond_exec_process_if_block): When removing the last
16004         insn from then_bb, remove also any possible barriers that follow it.
16005
16006 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
16007
16008         PR target/68456
16009         PR target/69226
16010         * config/i386/iamcu.h (SIZE_TYPE): New macro.
16011         (PTRDIFF_TYPE): Likewise.
16012         (WCHAR_TYPE): Likewise.
16013         (WCHAR_TYPE_SIZE): Likewise.
16014         (STDINT_LONG32): Likewise.
16015
16016 2016-01-12  Richard Biener  <rguenther@suse.de>
16017
16018         PR tree-optimization/69053
16019         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
16020         convert initial value for cond reductions.
16021
16022 2016-01-12  Richard Biener  <rguenther@suse.de>
16023
16024         PR tree-optimization/69007
16025         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
16026         widen_sum after dot_prod and sad.
16027
16028 2016-01-12  Richard Biener  <rguenther@suse.de>
16029
16030         PR tree-optimization/69168
16031         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
16032         pattern stmt SLP type.
16033         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
16034         end up unused so cope with that case.
16035
16036 2016-01-12  Richard Biener  <rguenther@suse.de>
16037
16038         PR tree-optimization/69157
16039         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
16040         stmts def type only during analyze phase.
16041         (vectorizable_call): Likewise.
16042         (vectorizable_simd_clone_call): Likewise.
16043         (vectorizable_conversion): Likewise.
16044         (vectorizable_assignment): Likewise.
16045         (vectorizable_shift): Likewise.
16046         (vectorizable_operation): Likewise.
16047         (vectorizable_store): Likewise.
16048         (vectorizable_load): Likewise.
16049
16050 2016-01-12  Richard Biener  <rguenther@suse.de>
16051
16052         PR tree-optimization/69174
16053         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
16054         space.
16055         (vectorizable_load): Properly compute the number of loads needed
16056         for permuted strided SLP loads and do not spuriously assign
16057         to SLP_TREE_VEC_STMTS.
16058
16059 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
16060
16061         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
16062         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
16063         (MD_EXEC_PREFIX): Remove.
16064         (MD_STARTFILE_PREFIX) Removee.
16065         (FILE_NAME_ABSOLUTE_P): Remove.
16066         (CPP_SPEC): Do not read macros from sys/version.h.
16067         (LINK_COMMAND_SPEC): Remove.
16068         (LOCAL_INCLUDE_DIR): Remove.
16069         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
16070         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
16071         (POST_LINK_SPEC): Define to invoke stubify after linker
16072         (LIBSTDCXX): Remove define
16073         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
16074         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
16075         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
16076         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
16077         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
16078         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
16079         (i386_djgpp_asm_named_section): Add propotype of new procedure
16080
16081         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
16082         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
16083         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
16084         in config/i386/djgpp.h).
16085         (STANDARD_STARTFILE_PREFIX_2): Define identical to
16086         STANDARD_STARTFILE_PREFIX_1.
16087         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
16088         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
16089         installation errors.
16090         (MAX_OFILE_ALIGNMENT): Define to 128.
16091         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
16092
16093         * config/i386/djgpp.c: New file. Add implementation of
16094         i386_djgpp_asm_named_section.
16095
16096         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
16097
16098         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
16099         Add rule for building djgpp.o.
16100
16101 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16102
16103         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
16104         (rtx_is_swappable_p): Reductions are swappable.
16105         (insn_is_swappable_p): V2DF reductions are swappable.
16106
16107 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
16108
16109         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
16110         reloads for other unsupported memory operands.
16111
16112 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
16113             Jim Wilson  <jim.wilson@linaro.org>
16114
16115         PR target/69194
16116         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
16117         copy_to_mode_reg instead of force_reg.
16118
16119 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16120
16121         PR target/69225
16122         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
16123         TARGET_80387 is true.
16124
16125 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
16126
16127         PR target/69071
16128         * lra-eliminations.c (move_plus_up): Only move plus up
16129         if subreg of the constant can be simplified into constant
16130         and use the simplified subreg of the constant instead of
16131         the original constant.
16132
16133         * fold-const.c (fold_convertible_p): Don't return true
16134         for conversion of VECTOR_TYPE to same sized integral type.
16135         (fold_convert_loc): Fix up formatting.  Fold conversion of
16136         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
16137         instead of NOP_EXPR.
16138
16139         PR tree-optimization/69214
16140         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
16141         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
16142         Formatting fix.
16143
16144         PR tree-optimization/69207
16145         * tree-vect-slp.c (vect_get_constant_vectors): For
16146         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
16147         fold_convertible_p to vector_type's element type, and always
16148         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
16149
16150 2016-01-11  Richard Biener  <rguenther@suse.de>
16151
16152         PR tree-optimization/69173
16153         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
16154         fixup the cycle if all stmts are in a pattern.
16155
16156 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
16157
16158         PR middle-end/68999
16159         * alias.c (base_alias_check): Move check for addresses with
16160         alignment ANDs before the call for compare_base_decls.
16161         (memrefs_conflict_p): Return -1 for different decls
16162         that went through alignment adjustments.
16163
16164 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16165
16166         PR rtl-optimization/68796
16167         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
16168         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
16169         and QImode comparisons against zero with CC_NZmode.
16170         * config/aarch64/iterators.md (short_mask): New mode_attr.
16171
16172 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
16173
16174         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
16175         (<avx512>_store<mode>_mask): Likewise.
16176
16177 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
16178             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16179
16180         PR rtl-optimization/68841
16181         * ifcvt.c (struct noce_if_info): Add orig_x field.
16182         (bbs_ok_for_cmove_arith): Add to_rename parameter.
16183         Don't record conflicts on to_rename if it's present.
16184         Allow memory destinations in sets.
16185         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
16186         blocks, passing orig_x to the checks.
16187         (noce_process_if_block): Set if_info->orig_x appropriately.
16188
16189 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16190
16191         PR tree-optimization/69069
16192         * tree-parloops.c (create_parallel_loop): Add missing phi args.
16193
16194 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
16195
16196         PR rtl-optimization/68920
16197         * config/i386/i386.c (ix86_option_override_internal): Restrict number
16198         of conditional moves for  RTL if-conversion to 1 for
16199         TARGET_ONE_IF_CONV_INSN.
16200         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
16201         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
16202         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
16203         parameter to restirct number of conditional moves for
16204         RTL if-conversion.
16205         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
16206         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
16207         conditionl moves.
16208
16209 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
16210
16211         PR bootstrap/69123
16212         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
16213         onepart vars.  Fix typo in comment.  Fix reversed condition in
16214         unshare test.
16215         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
16216
16217         PR bootstrap/69123
16218         * var-tracking.c (dump_onepart_variable_differences): New.
16219         (dataflow_set_different): If a detailed dump is requested,
16220         delay early returns and dump differences between onepart
16221         variables present before and after, and added variables.
16222
16223 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
16224
16225         PR target/69010
16226         * expr.c (expand_expr_real_1): For boolean vector constants
16227         with a scalar mode use const_scalar_mask_from_tree.
16228         (const_scalar_mask_from_tree): New.
16229         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
16230         assigned to a mask type to handle constants.
16231
16232 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16233
16234         PR ipa/69044
16235         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
16236         useless parameters if we cannot change function signature.
16237
16238 2016-01-11  Martin Jambor  <mjambor@suse.cz>
16239
16240         PR ipa/66616
16241         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
16242         flag.
16243
16244 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16245
16246         PR tree-optimization/69109
16247         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
16248         latch with phi.
16249
16250 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16251
16252         PR tree-optimization/69108
16253         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
16254         res is not used in a phi.
16255
16256 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
16257
16258         PR 67425
16259         * common.opt (frandom-seed): Fix parameter name.
16260         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
16261
16262 2016-01-11  Tom de Vries  <tom@codesourcery.com>
16263
16264         PR tree-optimization/69058
16265         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
16266         not supported.
16267
16268 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
16269
16270         * config/arc/arc.opt (mdiv-rem): Add period to the end.
16271         (mcode-density): Likewise.
16272
16273 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16274
16275         PR tree-optimization/69062
16276         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
16277         (parallelize_loops): Don't paralelize loop that has phi with address
16278         arg.
16279
16280 2016-01-10  Tom de Vries  <tom@codesourcery.com>
16281
16282         PR tree-optimization/69039
16283         * tree-parloops.c (try_create_reduction_list): Only allow single exit
16284         phi for reduction.
16285
16286 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
16287
16288         PR middle-end/68743
16289         * match.pd: Require target has function_c99_misc before doing
16290         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
16291
16292 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
16293
16294         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
16295         use GMPINC.
16296         * configure: Regenerate.
16297
16298 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
16299
16300         PR middle-end/50865
16301         PR tree-optimization/69097
16302         * fold-const.h (expr_not_equal_to): New prototype.
16303         * fold-const.c: Include stringpool.h and tree-ssanames.h.
16304         (expr_not_equal_to): New function.
16305         * match.pd (X % -Y is the same as X % Y): Don't optimize
16306         unless X is known not to be equal to minimum or Y is known
16307         not to be equal to -1.
16308         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
16309         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
16310         (simplify_stmt_using_ranges): Adjust caller.
16311         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
16312         substitute_and_fold.
16313
16314 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
16315
16316         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
16317         w/o DECL_NAME.
16318
16319 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16320
16321         PR tree-optimization/69167
16322         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
16323         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
16324         ops[0] comparison.
16325         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
16326
16327 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16328             Richard Biener  <rguenther@suse.de>
16329
16330         PR tree-optimization/68707
16331         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
16332         instances that can be handled via vect_load_lanes.
16333
16334 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
16335
16336         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
16337         if we can't determine address equivalence.
16338         * alias.c (compare_base_decl): Update for changed return value of
16339         symtab_node::equal_address_to.
16340
16341 2016-01-08  Jason Merrill  <jason@redhat.com>
16342
16343         PR c++/68983
16344         PR c++/67557
16345         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
16346         * expr.c (store_field): Not here.
16347         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
16348         call with TREE_ADDRESSABLE type.
16349         * tree-cfg.c (verify_gimple_call): Adjust.
16350
16351 2016-01-08  Olivier Hainque  <hainque@adacore.com>
16352
16353         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
16354         libc_internal.
16355
16356 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16357
16358         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
16359         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
16360         (reduc_smin_v2sf): Rename to...
16361         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
16362         (reduc_splus_v2sf): Rename to...
16363         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
16364
16365 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16366
16367         PR tree-optimization/69162
16368         * gimplify.c (gimplify_va_arg_expr): Encode original type of
16369         valist argument in another argument.
16370         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
16371         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16372         to determine the va_list type, build a MEM_REF instead of
16373         build_fold_indirect_ref.
16374
16375         PR tree-optimization/69172
16376         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
16377         gimple_build.
16378
16379 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16380
16381         PR tree-optimization/67781
16382         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
16383         and cmpnop in two steps: first the ones not accessed in original
16384         gimple expression in a endian independent way and then the ones not
16385         accessed in the final result in an endian-specific way.
16386
16387 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16388
16389         PR tree-optimization/69083
16390         * tree-vect-slp.c (vect_get_constant_vectors): For
16391         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
16392         element type.  If op is fold_convertible_p to vector_type's element
16393         type, use NOP_EXPR instead of VCE.
16394
16395 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
16396
16397         PR rtl-optimization/67778
16398         PR rtl-optimization/68634
16399         PR rtl-optimization/68909
16400         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
16401         block from the stack until done with it.  Remove a superfluous
16402         bitmap set.  Remove a superfluous bitmap test.
16403
16404 2016-01-07  Martin Sebor  <msebor@redhat.com>
16405
16406         PR c/68966
16407         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
16408         constraint on the type of arguments.
16409
16410 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
16411
16412         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
16413         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
16414         unaligned_access on the gcc_options set.
16415         * config/arm/arm.c (arm_option_override_internal): Use
16416         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
16417
16418 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16419
16420         PR target/69140
16421         * config/i386/i386.c (ix86_frame_pointer_required): Enable
16422         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
16423
16424 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16425
16426         Revert
16427         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16428
16429         PR target/69140
16430         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16431         depending on frame_pointer_needed before remaining integer and SSE
16432         registers are saved.
16433
16434 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
16435
16436         PR 1078
16437         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
16438
16439 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
16440
16441         PR target/69171
16442         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
16443         Use the "xBm" constraint.
16444         (float<sseintvecmodelower><mode>2<mask_name><round_name):
16445         Likewise.
16446         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
16447         (sse_cvtsi2ssq<round_name>): Likewise.
16448         (sse_cvtss2si<round_name>): Likewise.
16449         (sse_cvtss2siq<round_name>): Likewise.
16450         (sse2_cvtsi2sdq<round_name>): Likewise.
16451         (sse2_cvtsd2si<round_name>): Likewise.
16452         (sse2_cvtsd2siq<round_name>): Likewise.
16453         * config/i386/subst.md (round_nimm_scalar_predicate): New
16454         predicate.
16455
16456 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16457
16458         PR middle-end/67639
16459         * varasm.c (make_decl_rtl): Mark invalid register vars as
16460         DECL_EXTERNAL.
16461
16462         PR rtl-optimization/66206
16463         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16464         All callers changed.
16465
16466 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16467
16468         PR tree-optimization/69141
16469         * tree-ssa-pre.c: Include langhooks.h.
16470         (eliminate_dom_walker::before_dom_children): Use
16471         lang_hooks.decl_printable_name instead of
16472         cgraph_node::get ()->name ().
16473
16474         PR middle-end/68960
16475         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16476         it and DECL_ALIGN too.
16477
16478 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16479
16480         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16481
16482 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16483
16484         PR target/69140
16485         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16486         depending on frame_pointer_needed before remaining integer and SSE
16487         registers are saved.
16488
16489 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16490
16491         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16492         mode iterator with VSX_M2.
16493         (*p9_vecstore_<mode>): Likewise.
16494         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16495         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16496         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16497         (define_split for VSX_LE128 stores): Likewise.
16498         (define_peephole2 for TImode LE swaps): Likewise.
16499         (define_split for VSX_LE128 post-reload stores): Likewise.
16500
16501 2016-01-06  Marek Polacek  <polacek@redhat.com>
16502
16503         PR sanitizer/69099
16504         * convert.c (convert_to_integer_1): Adjust call to
16505         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16506         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16507         EXPR instead of ARG.
16508         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16509
16510 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16511
16512         PR 1078
16513         * doc/extend.texi (RL78 Variable Attributes): New section.
16514
16515 2016-01-05  Marek Polacek  <polacek@redhat.com>
16516
16517         PR c/69104
16518         * builtins.c (get_memmodel): Use expansion point location rather than
16519         the input location.  Call warning_at rather than warning.
16520         (expand_builtin_atomic_compare_exchange): Likewise.
16521         (expand_builtin_atomic_load): Likewise.
16522         (expand_builtin_atomic_store): Likewise.
16523         (expand_builtin_atomic_clear): Likewise.
16524
16525 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16526
16527         PR target/68991
16528         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16529         Replace nonimmediate_operand with vector_operand.
16530         * config/i386/predicates.md (vector_operand): New predicate.
16531         (general_vector_operand): Replace nonimmediate_operand with
16532         vector_operand.
16533         * config/i386/sse.md: Replace nonimmediate_operand with
16534         vector_operand and m constraint with Bm constraint on SSE
16535         patterns with 16-byte memory operand.
16536         * config/i386/subst.md (round_nimm_predicate): Replace
16537         nonimmediate_operand with vector_operand.
16538         (round_saeonly_nimm_predicate): Likewise.
16539         (round_saeonly_nimm_scalar_predicate): New.
16540
16541 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16542
16543         PR target/68991
16544         * config/i386/constraints.md (Bm): New constraint.
16545         * config/i386/predicates.md (vector_memory_operand): New
16546         predicate.
16547         * config/i386/sse.md: Replace xm with xBm in plusminus and
16548         any_logic patterns.
16549
16550 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16551
16552         PR 1078
16553         * doc/extend.texi (V850 Function Attributes): New section.
16554         (V850 Variable Attributes): New section.
16555
16556 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16557
16558         PR 1078
16559         * doc/extend.texi (MicroBlaze Function Attributes): Document
16560         interrupt_handler and fast_interrupt attributes.
16561
16562 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16563
16564         PR other/60465
16565         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16566         for local symbolic operands.
16567         * config/ia64/predicates.md (local_symbolic_operand64): New
16568         predicate.
16569
16570 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16571
16572         PR rtl-optimization/68651
16573         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16574         x << 1.
16575
16576 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16577
16578         * alias.c (compare_base_decls): Use symtab_node::get.
16579
16580 2016-01-05  Nick Clifton  <nickc@redhat.com>
16581
16582         PR target/68770
16583         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16584         secondary_reload_info structure.
16585
16586         PR target/66655
16587         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16588         decls if weak support is available.
16589
16590 2016-01-04  Martin Sebor  <msebor@redhat.com>
16591
16592         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16593
16594 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16595
16596         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16597         OPTION_MASK_P9_DFORM.
16598
16599         * config/rs6000/constraints.md (wo constraint): New constraint for
16600         ISA 3.0 (power9).
16601
16602         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16603         for wo constraint.
16604         (rs6000_init_hard_regno_mode_ok): Likewise.
16605
16606         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16607         wo constraint.
16608
16609         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16610         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16611         instruction.  Add support for fusing xxlor with xxperm.
16612         (altivec_vperm_<mode>_internal): Likewise.
16613         (altivec_vperm_v8hiv16qi): Likewise.
16614         (altivec_vperm_<mode>v16q): Likewise.
16615         (altivec_vperm_<mode>_uns): Likewise.
16616         (vperm_v8hiv4si): Likewise.
16617         (vperm_v16qiv8hi): Likewise.
16618
16619         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16620
16621 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16622
16623         Update copyright years.
16624
16625         * gcc.c (process_command): Update copyright notice dates.
16626         * gcov-dump.c (print_version): Ditto.
16627         * gcov.c (print_version): Ditto.
16628         * gcov-tool.c (print_version): Ditto.
16629         * gengtype.c (create_file): Ditto.
16630         * doc/cpp.texi: Bump @copying's copyright year.
16631         * doc/cppinternals.texi: Ditto.
16632         * doc/gcc.texi: Ditto.
16633         * doc/gccint.texi: Ditto.
16634         * doc/gcov.texi: Ditto.
16635         * doc/install.texi: Ditto.
16636         * doc/invoke.texi: Ditto.
16637
16638 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16639
16640         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16641         modes larger than TImode as TImode if NEON is not enabled.
16642
16643 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16644
16645         PR target/69100
16646         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16647         mode for %f0-%f31 only if TARGET_FPU.
16648
16649 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16650
16651         PR target/69072
16652         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16653         to compute the PACKED_P predicate.
16654         (function_arg_record_value): Minor tweaks.
16655
16656 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16657
16658         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16659         option for arm*-*-* targets.
16660
16661 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16662
16663         * doc/extend.texi (Common Function Attributes): Move docs for
16664         MSP430-specific attributes to....
16665         (MSP430 Function Attributes): ...here.  Delete the redundant
16666         entries and copy-edit the remaining text.
16667         (MSP430 Variable Attributes): Use uniform format for index
16668         entries and add a cross-reference to the corresponding function
16669         attribute docs.
16670
16671 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16672
16673         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16674         -finite-math typo.
16675         (x86 Options): Likewise.
16676
16677 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16678
16679         PR 1078
16680
16681         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16682         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16683         to corresponding attribute.
16684
16685 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16686
16687         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16688         to correct alphabetization of table.  Copy-edit and correct
16689         markup.
16690         <stack_protect>: Likewise.
16691         <target_clones>: Likewise.
16692         <simd>: Likewise.
16693         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16694         Correct punctuation.
16695         (Code Gen Options) <-fno-plt>: Copy-edit.
16696
16697 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16698
16699         PR target/68917
16700         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16701         SI values.  Explicitly convert SI to DI and vice-versa.
16702
16703 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16704
16705         PR tree-optimization/69070
16706         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16707         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16708
16709         PR sanitizer/69055
16710         * ubsan.c (ubsan_instrument_float_cast): Call
16711         initialize_sanitizer_builtins.
16712
16713         PR target/69015
16714         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16715 \f
16716 Copyright (C) 2016 Free Software Foundation, Inc.
16717
16718 Copying and distribution of this file, with or without modification,
16719 are permitted in any medium without royalty provided the copyright
16720 notice and this notice are preserved.