gcc/ChangeLog

   1 2014-01-15  Pat Haugen  <pthaugen@us.ibm.com>
   2
   3         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Check if
   4         current procedure should be profiled.
   5
   6 2014-01-15  Andrew Pinski  <apinski@cavium.com>
   7
   8         * config/aarch64/aarch64.c (aarch64_register_move_cost): Correct cost
   9         of moving from/to the STACK_REG register class.
  10
  11 2014-01-15  Richard Henderson <rth@redhat.com>
  12
  13         PR debug/54694
  14         * reginfo.c (global_regs_decl): Globalize.
  15         * rtl.h (global_regs_decl): Declare.
  16         * ira.c (do_reload): Diagnose frame_pointer_needed and it
  17         reserved via global_regs.
  18
  19 2014-01-15  Teresa Johnson  <tejohnson@google.com>
  20
  21         * tree-ssa-sccvn.c (visit_reference_op_call): Handle NULL vdef.
  22
  23 2014-01-15  Bill Schmidt  <wschmidt@vnet.linux.ibm.com>
  24
  25         * config/rs6000/altivec.md (mulv8hi3): Explicitly generate vmulesh
  26         and vmulosh rather than call gen_vec_widen_smult_*.
  27         (vec_widen_umult_even_v16qi): Test VECTOR_ELT_ORDER_BIG rather
  28         than BYTES_BIG_ENDIAN to determine use of even or odd instruction.
  29         (vec_widen_smult_even_v16qi): Likewise.
  30         (vec_widen_umult_even_v8hi): Likewise.
  31         (vec_widen_smult_even_v8hi): Likewise.
  32         (vec_widen_umult_odd_v16qi): Likewise.
  33         (vec_widen_smult_odd_v16qi): Likewise.
  34         (vec_widen_umult_odd_v8hi): Likewise.
  35         (vec_widen_smult_odd_v8hi): Likewise.
  36         (vec_widen_umult_hi_v16qi): Explicitly generate vmuleub and
  37         vmuloub rather than call gen_vec_widen_umult_*.
  38         (vec_widen_umult_lo_v16qi): Likewise.
  39         (vec_widen_smult_hi_v16qi): Explicitly generate vmulesb and
  40         vmulosb rather than call gen_vec_widen_smult_*.
  41         (vec_widen_smult_lo_v16qi): Likewise.
  42         (vec_widen_umult_hi_v8hi): Explicitly generate vmuleuh and vmulouh
  43         rather than call gen_vec_widen_umult_*.
  44         (vec_widen_umult_lo_v8hi): Likewise.
  45         (vec_widen_smult_hi_v8hi): Explicitly gnerate vmulesh and vmulosh
  46         rather than call gen_vec_widen_smult_*.
  47         (vec_widen_smult_lo_v8hi): Likewise.
  48
  49 2014-01-15  Jeff Law  <law@redhat.com>
  50
  51         PR tree-optimization/59747
  52         * ree.c (find_and_remove_re): Properly handle case where a second
  53         eliminated extension requires widening a copy created for elimination
  54         of a prior extension.
  55         (combine_set_extension): Ensure that the number of hard regs needed
  56         for a destination register does not change when we widen it.
  57
  58 2014-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
  59
  60         * config.gcc (*-*-rtems*): Add t-rtems to tmake_file.
  61         (arm*-*-uclinux*eabi*): Do not override an existing tmake_file.
  62         (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*): Likwise.
  63         (arm*-*-rtems*): Use t-rtems from existing tmake_file.
  64         (avr-*-rtems*): Likewise.
  65         (bfin*-rtems*): Likewise.
  66         (moxie-*-rtems*): Likewise.
  67         (h8300-*-rtems*): Likewise.
  68         (i[34567]86-*-rtems*): Likewise.
  69         (lm32-*-rtems*): Likewise.
  70         (m32r-*-rtems*): Likewise.
  71         (m68k-*-rtems*): Likewise.
  72         (microblaze*-*-rtems*): Likewise.
  73         (mips*-*-rtems*): Likewise.
  74         (powerpc-*-rtems*): Likewise.
  75         (sh-*-rtems*): Likewise.
  76         (sparc-*-rtems*): Likewise.
  77         (sparc64-*-rtems*): Likewise.
  78         (v850-*-rtems*): Likewise.
  79         (m32c-*-rtems*): Likewise.
  80
  81 2014-01-15  Vladimir Makarov  <vmakarov@redhat.com>
  82
  83         PR rtl-optimization/59511
  84         * ira.c (ira_init_register_move_cost): Use memory costs for some
  85         cases of register move cost calculations.
  86         * lra-constraints.c (lra_constraints): Use REG_FREQ_FROM_BB
  87         instead of BB frequency.
  88         * lra-coalesce.c (move_freq_compare_func, lra_coalesce): Ditto.
  89         * lra-assigns.c (find_hard_regno_for): Ditto.
  90
  91 2014-01-15  Richard Biener  <rguenther@suse.de>
  92
  93         PR tree-optimization/59822
  94         * tree-vect-stmts.c (hoist_defs_of_uses): New function.
  95         (vectorizable_load): Use it to hoist defs of uses of invariant
  96         loads out of the loop.
  97
  98 2014-01-15  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
  99             Kugan Vivekanandarajah  <kuganv@linaro.org>
 100
 101         PR target/59695
 102         * config/aarch64/aarch64.c (aarch64_build_constant): Fix incorrect
 103         truncation.
 104
 105 2014-01-15  Richard Biener  <rguenther@suse.de>
 106
 107         PR rtl-optimization/59802
 108         * lcm.c (compute_available): Use inverted postorder to seed
 109         the initial worklist.
 110
 111 2014-01-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 112
 113         PR target/59803
 114         * config/s390/s390.c (s390_preferred_reload_class): Don't return
 115         ADDR_REGS for invalid symrefs in non-PIC code.
 116
 117 2014-01-15  Jakub Jelinek  <jakub@redhat.com>
 118
 119         PR other/58712
 120         * builtins.c (determine_block_size): Initialize *probable_max_size
 121         even if len_rtx is CONST_INT.
 122
 123 2014-01-14  Andrew Pinski  <apinski@cavium.com>
 124
 125         * config/aarch64/aarch64-protos.h (tune_params): Add issue_rate.
 126         * config/aarch64/aarch64.c (generic_tunings): Add issue rate of 2.
 127         (cortexa53_tunings): Likewise.
 128         (aarch64_sched_issue_rate): New function.
 129         (TARGET_SCHED_ISSUE_RATE): Define.
 130
 131 2014-01-14  Vladimir Makarov  <vmakarov@redhat.com>
 132
 133         * ira-costs.c (find_costs_and_classes): Add missed
 134         ira_init_register_move_cost_if_necessary.
 135
 136 2014-01-14  Vladimir Makarov  <vmakarov@redhat.com>
 137
 138         PR target/59787
 139         * config/arm/arm.c (arm_coproc_mem_operand): Add lra_in_progress.
 140
 141 2014-01-14  H.J. Lu  <hongjiu.lu@intel.com>
 142
 143         PR target/59794
 144         * config/i386/i386.c (type_natural_mode): Add a bool parameter
 145         to indicate if type is used for function return value.  Warn
 146         ABI change if the vector mode isn't available for function
 147         return value.
 148         (ix86_function_arg_advance): Pass false to type_natural_mode.
 149         (ix86_function_arg): Likewise.
 150         (ix86_gimplify_va_arg): Likewise.
 151         (function_arg_32): Don't warn ABI change.
 152         (ix86_function_value): Pass true to type_natural_mode.
 153         (ix86_return_in_memory): Likewise.
 154         (ix86_struct_value_rtx): Removed.
 155         (TARGET_STRUCT_VALUE_RTX): Likewise.
 156
 157 2014-01-14  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>
 158
 159         * jump.c (redirect_jump_2): Remove REG_CROSSING_JUMP notes when
 160         converting a conditional jump into a conditional return.
 161
 162 2014-01-14  Richard Biener  <rguenther@suse.de>
 163
 164         PR tree-optimization/58921
 165         PR tree-optimization/59006
 166         * tree-vect-loop-manip.c (vect_loop_versioning): Remove code
 167         hoisting invariant stmts.
 168         * tree-vect-stmts.c (vectorizable_load): Insert the splat of
 169         invariant loads on the preheader edge if possible.
 170
 171 2014-01-14  Joey Ye  <joey.ye@arm.com>
 172
 173         * doc/plugin.texi (Building GCC plugins): Update to C++.
 174
 175 2014-01-14  Kirill Yukhin  <kirill.yukhin@intel.com>
 176
 177         * config/i386/avx512erintrin.h (_mm_rcp28_round_sd): New.
 178         (_mm_rcp28_round_ss): Ditto.
 179         (_mm_rsqrt28_round_sd): Ditto.
 180         (_mm_rsqrt28_round_ss): Ditto.
 181         (_mm_rcp28_sd): Ditto.
 182         (_mm_rcp28_ss): Ditto.
 183         (_mm_rsqrt28_sd): Ditto.
 184         (_mm_rsqrt28_ss): Ditto.
 185         * config/i386/avx512fintrin.h (_mm512_stream_load_si512): Ditto.
 186         * config/i386/i386-builtin-types.def (V8DI_FTYPE_PV8DI): Ditto.
 187         * config/i386/i386.c (IX86_BUILTIN_MOVNTDQA512): Ditto.
 188         (IX86_BUILTIN_RCP28SD): Ditto.
 189         (IX86_BUILTIN_RCP28SS): Ditto.
 190         (IX86_BUILTIN_RSQRT28SD): Ditto.
 191         (IX86_BUILTIN_RSQRT28SS): Ditto.
 192         (bdesc_special_args): Define __builtin_ia32_movntdqa512,
 193         __builtin_ia32_rcp28sd_round, __builtin_ia32_rcp28ss_round,
 194         __builtin_ia32_rsqrt28sd_round, __builtin_ia32_rsqrt28ss_round.
 195         (ix86_expand_special_args_builtin): Expand new FTYPE.
 196         * config/i386/sse.md (define_mode_attr "sse4_1_avx2"): Expand to V8DI.
 197         (srcp14<mode>): Make insn unary.
 198         (avx512f_vmscalef<mode><round_name>): Use substed predicate.
 199         (avx512f_sgetexp<mode><round_saeonly_name>): Ditto.
 200         (avx512f_rndscale<mode><round_saeonly_name>): Ditto.
 201         (<sse4_1_avx2>_movntdqa): Extend to 512 bits.
 202         (avx512er_exp2<mode><mask_name><round_saeonly_name>):
 203         Fix rounding: make it SAE only.
 204         (<mask_codefor>avx512er_rcp28<mode><mask_name><round_saeonly_name>): Ditto.
 205         (<mask_codefor>avx512er_rsqrt28<mode><mask_name><round_saeonly_name>): Ditto.
 206         (avx512er_vmrcp28<mode><round_saeonly_name>): Ditto.
 207         (avx512er_vmrsqrt28<mode><round_saeonly_name>): Ditto.
 208         (avx512f_getmant<mode><mask_name><round_saeonly_name>): Ditto.
 209         * config/i386/subst.md (round_saeonly_mask_scalar_operand3): Remove.
 210         (round_saeonly_mask_scalar_operand4): Ditto.
 211         (round_saeonly_mask_scalar_op3): Ditto.
 212         (round_saeonly_mask_scalar_op4): Ditto.
 213
 214 2014-01-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 215
 216         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 217         Implement -maltivec=be for vec_insert and vec_extract.
 218
 219 2014-01-10  DJ Delorie  <dj@redhat.com>
 220
 221         * config/msp430/msp430.md (call_internal): Don't allow memory
 222         references with SP as the base register.
 223         (call_value_internal): Likewise.
 224         * config/msp430/constraints.md (Yc): New.  For memory references
 225         that don't use SP as a base register.
 226
 227         * config/msp430/msp430.c (msp430_print_operand): Add 'J' to mean
 228         "an integer without a # prefix"
 229         * config/msp430/msp430.md (epilogue_helper): Use it.
 230
 231 2014-01-13  Jakub Jelinek  <jakub@redhat.com>
 232
 233         PR target/59617
 234         * config/i386/i386.c (ix86_vectorize_builtin_gather): Uncomment
 235         AVX512F gather builtins.
 236         * tree-vect-stmts.c (vectorizable_mask_load_store): For now punt
 237         on gather decls with INTEGER_TYPE masktype.
 238         (vectorizable_load): For INTEGER_TYPE masktype, put the INTEGER_CST
 239         directly into the builtin rather than hoisting it before loop.
 240
 241         PR tree-optimization/59387
 242         * tree-scalar-evolution.c: Include gimple-fold.h and gimplify-me.h.
 243         (scev_const_prop): If folded_casts and type has undefined overflow,
 244         use force_gimple_operand instead of force_gimple_operand_gsi and
 245         for each added stmt if it is assign with
 246         arith_code_with_undefined_signed_overflow, call
 247         rewrite_to_defined_overflow.
 248         * tree-ssa-loop-im.c: Don't include gimplify-me.h, include
 249         gimple-fold.h instead.
 250         (arith_code_with_undefined_signed_overflow,
 251         rewrite_to_defined_overflow): Moved to ...
 252         * gimple-fold.c (arith_code_with_undefined_signed_overflow,
 253         rewrite_to_defined_overflow): ... here.  No longer static.
 254         Include gimplify-me.h.
 255         * gimple-fold.h (arith_code_with_undefined_signed_overflow,
 256         rewrite_to_defined_overflow): New prototypes.
 257
 258 2014-01-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 259
 260         * config/arm/arm.h (MAX_CONDITIONAL_EXECUTE): Fix typo in description.
 261
 262 2014-01-13  Eric Botcazou  <ebotcazou@adacore.com>
 263
 264         * builtins.c (get_object_alignment_2): Minor tweak.
 265         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Rewrite.
 266
 267 2014-01-13  Christian Bruel  <christian.bruel@st.com>
 268
 269         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Unroll small sizes and
 270         optimized non constant lengths.
 271
 272 2014-01-13  Jakub Jelinek  <jakub@redhat.com>
 273
 274         PR libgomp/59194
 275         * omp-low.c (expand_omp_atomic_pipeline): Expand the initial
 276         load as __atomic_load_N if possible.
 277
 278 2014-01-11  David Edelsohn  <dje.gcc@gmail.com>
 279
 280         * config/rs6000/rs6000.c (rs6000_expand_mtfsf_builtin): Remove
 281         target parameter.
 282         (rs6000_expand_builtin): Adjust call.
 283
 284 2014-01-11  David Edelsohn  <dje.gcc@gmail.com>
 285
 286         PR target/58115
 287         * config/rs6000/rs6000.h (SWITCHABLE_TARGET): Define.
 288         * config/rs6000/rs6000.c: Include target-globals.h.
 289         (rs6000_set_current_function): Instead of doing target_reinit
 290         unconditionally, use save_target_globals_default_opts and
 291         restore_target_globals.
 292
 293         * config/rs6000/rs6000-builtin.def (mffs, mtfsf): Add builtins for
 294         FPSCR.
 295         * config/rs6000/rs6000.c (rs6000_expand_mtfsf_builtin): New.
 296         (rs6000_expand_builtin): Handle mffs and mtfsf.
 297         (rs6000_init_builtins): Define mffs and mtfsf.
 298         * config/rs6000/rs6000.md (UNSPECV_MFFS, UNSPECV_MTFSF): New constants.
 299         (rs6000_mffs): New pattern.
 300         (rs6000_mtfsf): New pattern.
 301
 302 2014-01-11  Bin Cheng  <bin.cheng@arm.com>
 303
 304         * tree-ssa-loop-ivopts.c (iv_ca_narrow): New parameter.
 305         Start narrowing with START.  Apply candidate-use pair
 306         and check overall cost in narrowing.
 307         (iv_ca_prune): Pass new argument.
 308
 309 2014-01-10  Jeff Law  <law@redhat.com>
 310
 311         PR middle-end/59743
 312         * ree.c (combine_reaching_defs): Ensure the defining statement
 313         occurs before the extension when optimizing extensions with
 314         different source and destination hard registers.
 315
 316 2014-01-10  Jan Hubicka  <jh@suse.cz>
 317
 318         PR ipa/58585
 319         * ipa-devirt.c (build_type_inheritance_graph): Also add types of vtables
 320         into the type inheritance graph.
 321
 322 2014-01-10  Jakub Jelinek  <jakub@redhat.com>
 323
 324         PR rtl-optimization/59754
 325         * ree.c (combine_reaching_defs): Disallow !SCALAR_INT_MODE_P
 326         modes in the REGNO != REGNO case.
 327
 328 2014-01-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 329
 330         * config/rs6000/rs6000-builtin.def: Fix pasto for VPKSDUS.
 331
 332 2014-01-10  Jakub Jelinek  <jakub@redhat.com>
 333
 334         PR tree-optimization/59745
 335         * tree-predcom.c (tree_predictive_commoning_loop): Call
 336         free_affine_expand_cache if giving up because components is NULL.
 337
 338         * target-globals.c (save_target_globals): Allocate < 4KB structs using
 339         GC in payload of target_globals struct instead of allocating them on
 340         the heap and the larger structs separately using GC.
 341         * target-globals.h (struct target_globals): Make regs, hard_regs,
 342         reload, expmed, ira, ira_int and lra_fields GTY((atomic)) instead
 343         of GTY((skip)) and change type to void *.
 344         (reset_target_globals): Cast loads from those fields to corresponding
 345         types.
 346
 347 2014-01-10  Steve Ellcey  <sellcey@mips.com>
 348
 349         PR plugins/59335
 350         * Makefile.in (PLUGIN_HEADERS): Add gimplify.h, gimple-iterator.h,
 351         gimple-ssa.h, fold-const.h, tree-cfg.h, tree-into-ssa.h,
 352         tree-ssanames.h, print-tree.h, varasm.h, and context.h.
 353
 354 2014-01-10  Richard Earnshaw  <rearnsha@arm.com>
 355
 356         PR target/59744
 357         * aarch64-modes.def (CC_Zmode): New flags mode.
 358         * aarch64.c (aarch64_select_cc_mode): Only allow NEG when the condition
 359         represents an equality.
 360         (aarch64_get_condition_code): Handle CC_Zmode.
 361         * aarch64.md (compare_neg<mode>): Restrict to equality operations.
 362
 363 2014-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 364
 365         * config/s390/s390.c (s390_expand_tbegin): Remove jump over CC
 366         extraction in good case.
 367
 368 2014-01-10  Richard Biener  <rguenther@suse.de>
 369
 370         PR tree-optimization/59374
 371         * tree-vect-slp.c (vect_slp_analyze_bb_1): Move dependence
 372         checking after SLP discovery.  Mark stmts not participating
 373         in any SLP instance properly.
 374
 375 2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 376
 377         * config/arm/arm.c (arm_new_rtx_costs): Use destination mode
 378         when handling a SET rtx.
 379
 380 2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 381
 382         * config/arm/arm-cores.def (cortex-a53): Specify FL_CRC32.
 383         (cortex-a57): Likewise.
 384         (cortex-a57.cortex-a53): Likewise. Remove redundant flags.
 385
 386 2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 387
 388         * config/arm/arm.c (arm_init_iwmmxt_builtins): Skip
 389         non-iwmmxt builtins.
 390
 391 2014-01-10  Jan Hubicka  <hubicka@ucw.cz>
 392
 393         PR ipa/58252
 394         PR ipa/59226
 395         * ipa-devirt.c record_target_from_binfo): Take as argument
 396         stack of binfos and lookup matching one for virtual inheritance.
 397         (possible_polymorphic_call_targets_1): Update.
 398
 399 2014-01-10  Huacai Chen  <chenhc@lemote.com>
 400
 401         * config/mips/driver-native.c (host_detect_local_cpu): Handle new
 402         kernel strings for Loongson-2E/2F/3A.
 403
 404 2014-01-10  Jakub Jelinek  <jakub@redhat.com>
 405
 406         PR middle-end/59670
 407         * tree-vect-data-refs.c (vect_analyze_data_refs): Check
 408         is_gimple_call before calling gimple_call_internal_p.
 409
 410 2014-01-09  Steve Ellcey  <sellcey@mips.com>
 411
 412         * Makefile.in (TREE_FLOW_H): Remove.
 413         (TREE_SSA_H): Add file names from tree-flow.h.
 414         * doc/tree-ssa.texi (Annotations): Remove reference to tree-flow.h
 415         * tree.h: Remove tree-flow.h reference.
 416         * hash-table.h: Remove tree-flow.h reference.
 417         * tree-ssa-loop-niter.c (dump_affine_iv): Replace tree-flow.h
 418         reference with tree-ssa-loop.h.
 419
 420 2014-01-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 421
 422         * doc/invoke.texi: Add -maltivec={be,le} options, and document
 423         default element-order behavior for -maltivec.
 424         * config/rs6000/rs6000.opt: Add -maltivec={be,le} options.
 425         * config/rs6000/rs6000.c (rs6000_option_override_internal): Ensure
 426         that -maltivec={le,be} implies -maltivec; disallow -maltivec=le
 427         when targeting big endian, at least for now.
 428         * config/rs6000/rs6000.h: Add #define of VECTOR_ELT_ORDER_BIG.
 429
 430 2014-01-09  Jakub Jelinek  <jakub@redhat.com>
 431
 432         PR middle-end/47735
 433         * cfgexpand.c (expand_one_var): For SSA_NAMEs, if the underlying
 434         var satisfies use_register_for_decl, just take into account type
 435         alignment, rather than decl alignment.
 436
 437         PR tree-optimization/59622
 438         * gimple-fold.c (gimple_fold_call): Fix a typo in message.  For
 439         __builtin_unreachable replace the OBJ_TYPE_REF call with a call to
 440         __builtin_unreachable and add if needed a setter of the lhs SSA_NAME.
 441         Don't devirtualize for inplace at all.  For targets.length () == 1,
 442         if the call is noreturn and cfun isn't in SSA form yet, clear lhs.
 443
 444 2014-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 445
 446         * config/i386/i386.md (cpu): Remove the unused btver1.
 447
 448 2014-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 449
 450         * gdbasan.in: Put a breakpoint on __sanitizer::Report.
 451
 452 2014-01-09  Jakub Jelinek  <jakub@redhat.com>
 453
 454         PR target/58115
 455         * tree-core.h (struct target_globals): New forward declaration.
 456         (struct tree_target_option): Add globals field.
 457         * tree.h (TREE_TARGET_GLOBALS): Define.
 458         (prepare_target_option_nodes_for_pch): New prototype.
 459         * target-globals.h (struct target_globals): Define even if
 460         !SWITCHABLE_TARGET.
 461         * tree.c (prepare_target_option_node_for_pch,
 462         prepare_target_option_nodes_for_pch): New functions.
 463         * config/i386/i386.h (SWITCHABLE_TARGET): Define.
 464         * config/i386/i386.c: Include target-globals.h.
 465         (ix86_set_current_function): Instead of doing target_reinit
 466         unconditionally, use save_target_globals_default_opts and
 467         restore_target_globals.
 468
 469 2014-01-09  Richard Biener  <rguenther@suse.de>
 470
 471         PR tree-optimization/59715
 472         * tree-cfg.h (split_critical_edges): Declare.
 473         * tree-cfg.c (split_critical_edges): Export.
 474         * tree-ssa-sink.c (execute_sink_code): Split critical edges.
 475
 476 2014-01-09  Max Ostapenko  <m.ostapenko@partner.samsung.com>
 477
 478         * cfgexpand.c (expand_stack_vars): Optionally disable
 479         asan stack protection.
 480         (expand_used_vars): Likewise.
 481         (partition_stack_vars): Likewise.
 482         * asan.c (asan_emit_stack_protection): Optionally disable
 483         after return stack usage.
 484         (instrument_derefs): Optionally disable memory
 485         access instrumentation.
 486         (instrument_builtin_call): Likewise.
 487         (instrument_strlen_call): Likewise.
 488         (asan_protect_global): Optionally disable
 489         global variables protection.
 490         * doc/invoke.texi: Added doc for new options.
 491         * params.def: Added new options.
 492         * params.h: Likewise.
 493
 494 2014-01-09  Jakub Jelinek  <jakub@redhat.com>
 495
 496         PR rtl-optimization/59724
 497         * ifcvt.c (cond_exec_process_if_block): Don't call
 498         flow_find_head_matching_sequence with 0 longest_match.
 499         * cfgcleanup.c (flow_find_head_matching_sequence): Count even
 500         non-active insns if !stop_after.
 501         (try_head_merge_bb): Revert 2014-01-07 changes.
 502
 503 2014-01-08  Jeff Law  <law@redhat.com>
 504
 505         * ree.c (get_sub_rtx): New function, extracted from...
 506         (merge_def_and_ext): Here.
 507         (combine_reaching_defs): Use get_sub_rtx.
 508
 509 2014-01-08  Eric Botcazou  <ebotcazou@adacore.com>
 510
 511         * cgraph.h (varpool_variable_node): Do not choke on null node.
 512
 513 2014-01-08  Catherine Moore  <clm@codesourcery.com>
 514
 515         * config/mips/mips.md (simple_return): Attempt to use JRC for microMIPS.
 516         * config/mips/mips.h (MIPS_CALL): Attempt to use JALS for microMIPS.
 517
 518 2014-01-08  Richard Sandiford  <rdsandiford@googlemail.com>
 519
 520         PR rtl-optimization/59137
 521         * reorg.c (steal_delay_list_from_target): Call update_block for
 522         elided insns.
 523         (steal_delay_list_from_fallthrough, relax_delay_slots): Likewise.
 524
 525 2014-01-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 526
 527         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
 528         two duplicate entries.
 529
 530 2014-01-08  Richard Sandiford  <rdsandiford@googlemail.com>
 531
 532         Revert:
 533         2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>
 534
 535         * config/mips/mips.c (mips_truncated_op_cost): New function.
 536         (mips_rtx_costs): Adjust test for BADDU.
 537         * config/mips/mips.md (*baddu_di<mode>): Push truncates to operands.
 538
 539         2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>
 540
 541         * config/mips/mips.md (*baddu_si_eb, *baddu_si_el): Merge into...
 542         (*baddu_si): ...this new pattern.
 543
 544 2014-01-08  Jakub Jelinek  <jakub@redhat.com>
 545
 546         PR ipa/59722
 547         * ipa-prop.c (ipa_analyze_params_uses): Ignore uses in debug stmts.
 548
 549 2014-01-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 550
 551         PR middle-end/57748
 552         * expr.h (expand_expr_real, expand_expr_real_1): Add new parameter
 553         inner_reference_p.
 554         (expand_expr, expand_normal): Adjust.
 555         * expr.c (expand_expr_real, expand_expr_real_1): Add new parameter
 556         inner_reference_p. Use inner_reference_p to expand inner references.
 557         (store_expr): Adjust.
 558         * cfgexpand.c (expand_call_stmt): Adjust.
 559
 560 2014-01-08  Rong Xu  <xur@google.com>
 561
 562         * gcov-io.c (gcov_var): Move from gcov-io.h.
 563         (gcov_position): Ditto.
 564         (gcov_is_error): Ditto.
 565         (gcov_rewrite): Ditto.
 566         * gcov-io.h: Refactor. Move gcov_var to gcov-io.h, and libgcov
 567         only part to libgcc/libgcov.h.
 568
 569 2014-01-08  Marek Polacek  <polacek@redhat.com>
 570
 571         PR middle-end/59669
 572         * omp-low.c (simd_clone_adjust): Don't crash if def is NULL.
 573
 574 2014-01-08  Marek Polacek  <polacek@redhat.com>
 575
 576         PR sanitizer/59667
 577         * ubsan.c (ubsan_type_descriptor): Call strip_array_types on type2.
 578
 579 2014-01-08  Jakub Jelinek  <jakub@redhat.com>
 580
 581         PR rtl-optimization/59649
 582         * stor-layout.c (get_mode_bounds): For BImode return
 583         0 and STORE_FLAG_VALUE.
 584
 585 2014-01-08  Richard Biener  <rguenther@suse.de>
 586
 587         PR middle-end/59630
 588         * gimple.h (is_gimple_builtin_call): Remove.
 589         (gimple_builtin_call_types_compatible_p): New.
 590         (gimple_call_builtin_p): New overload.
 591         * gimple.c (is_gimple_builtin_call): Remove.
 592         (validate_call): Rename to ...
 593         (gimple_builtin_call_types_compatible_p): ... this and export.  Also
 594         check return types.
 595         (validate_type): New static function.
 596         (gimple_call_builtin_p): New overload and adjust.
 597         * gimple-fold.c (gimple_fold_builtin): Fold the return value.
 598         (gimple_fold_call): Likewise.  Use gimple_call_builtin_p.
 599         (gimple_fold_stmt_to_constant_1): Likewise.
 600         * tsan.c (instrument_gimple): Use gimple_call_builtin_p.
 601
 602 2014-01-08  Richard Biener  <rguenther@suse.de>
 603
 604         PR middle-end/59471
 605         * gimplify.c (gimplify_expr): Gimplify register-register type
 606         VIEW_CONVERT_EXPRs to separate stmts.
 607
 608 2014-01-07  Jeff Law  <law@redhat.com>
 609
 610         PR middle-end/53623
 611         * ree.c (combine_set_extension): Handle case where source
 612         and destination registers in an extension insn are different.
 613         (combine_reaching_defs): Allow source and destination
 614         registers in extension to be different under limited
 615         circumstances.
 616         (add_removable_extension): Remove restriction that the
 617         source and destination registers in the extension are the
 618         same.
 619         (find_and_remove_re): Emit a copy from the extension's
 620         destination to its source after the defining insn if
 621         the source and destination registers are different.
 622
 623         PR middle-end/59285
 624         * ifcvt.c (merge_if_block): If we are merging a block with more than
 625         one successor with a block with no successors, remove any BARRIER
 626         after the second block.
 627
 628 2014-01-07  Dan Xio Qiang <ziyan01@163.com>
 629
 630         * hw-doloop.c (reorg_loops): Release the bitmap obstack.
 631
 632 2014-01-07  John David Anglin  <danglin@gcc.gnu.org>
 633
 634         PR target/59652
 635         * config/pa/pa.c (pa_legitimate_address_p): Return false before reload
 636         for 14-bit register offsets when INT14_OK_STRICT is false.
 637
 638 2014-01-07  Roland Stigge  <stigge@antcom.de>
 639             Michael Meissner  <meissner@linux.vnet.ibm.com>
 640
 641         PR 57386/target
 642         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 643         Only check TFmode for SPE constants.  Don't check TImode or
 644         TDmode.
 645
 646 2014-01-07  James Greenhalgh  <james.greenhalgh@arm.com>
 647
 648         * config/aarch64/aarch64-elf.h (ASM_SPEC): Remove identity spec for
 649         -mcpu.
 650
 651 2014-01-07  Yufeng Zhang  <yufeng.zhang@arm.com>
 652
 653         * config/arm/arm.c (arm_expand_neon_args): Call expand_expr
 654         with EXPAND_MEMORY for NEON_ARG_MEMORY; check if the returned
 655         rtx is const0_rtx or not.
 656
 657 2014-01-07  Richard Sandiford  <rdsandiford@googlemail.com>
 658
 659         PR target/58115
 660         * target-globals.c (save_target_globals): Remove this_fn_optab
 661         handling.
 662         * toplev.c: Include optabs.h.
 663         (target_reinit): Temporarily restore the global options if another
 664         set of options are in force.
 665
 666 2014-01-07  Jakub Jelinek  <jakub@redhat.com>
 667
 668         PR rtl-optimization/58668
 669         * cfgcleanup.c (flow_find_cross_jump): Don't count
 670         any jumps if dir_p is NULL.  Remove p1 variable, use active_insn_p
 671         to determine what is counted.
 672         (flow_find_head_matching_sequence): Use active_insn_p to determine
 673         what is counted.
 674         (try_head_merge_bb): Adjust for the flow_find_head_matching_sequence
 675         counting change.
 676         * ifcvt.c (count_bb_insns): Use active_insn_p && !JUMP_P to
 677         determine what is counted.
 678
 679         PR tree-optimization/59643
 680         * tree-predcom.c (split_data_refs_to_components): If one dr is
 681         read and one write, determine_offset fails and the write isn't
 682         in the bad component, just put the read into the bad component.
 683
 684 2014-01-07  Mike Stump  <mikestump@comcast.net>
 685             Jakub Jelinek  <jakub@redhat.com>
 686
 687         PR pch/59436
 688         * tree-core.h (struct tree_optimization_option): Change optabs
 689         type from unsigned char * to void *.
 690         * optabs.c (init_tree_optimization_optabs): Adjust
 691         TREE_OPTIMIZATION_OPTABS initialization.
 692
 693 2014-01-06  Jakub Jelinek  <jakub@redhat.com>
 694
 695         PR target/59644
 696         * config/i386/i386.h (struct machine_function): Add
 697         no_drap_save_restore field.
 698         * config/i386/i386.c (ix86_save_reg): Use
 699         !cfun->machine->no_drap_save_restore instead of
 700         crtl->stack_realign_needed.
 701         (ix86_finalize_stack_realign_flags): Don't clear drap_reg unless
 702         this function clears frame_pointer_needed.  Set
 703         cfun->machine->no_drap_save_restore if clearing frame_pointer_needed
 704         and DRAP reg is needed.
 705
 706 2014-01-06  Marek Polacek  <polacek@redhat.com>
 707
 708         PR c/57773
 709         * doc/implement-c.texi: Mention that other integer types are
 710         permitted as bit-field types in strictly conforming mode.
 711
 712 2014-01-06  Felix Yang  <fei.yang0953@gmail.com>
 713
 714         * modulo-sched.c (schedule_reg_moves): Clear distance1_uses if it
 715         is newly allocated.
 716
 717 2014-01-06  Richard Earnshaw  <rearnsha@arm.com>
 718
 719         * aarch64.c (aarch64_rtx_costs): Fix cost calculation for MADD.
 720
 721 2014-01-06  Martin Jambor  <mjambor@suse.cz>
 722
 723         PR ipa/59008
 724         * ipa-cp.c (ipcp_discover_new_direct_edges): Changed param_index type
 725         to int.
 726         * ipa-prop.c (ipa_print_node_params): Fix indentation.
 727
 728 2014-01-06  Eric Botcazou  <ebotcazou@adacore.com>
 729
 730         PR debug/59350
 731         PR debug/59510
 732         * var-tracking.c (add_stores): Preserve the value of the source even if
 733         we don't record the store.
 734
 735 2014-01-06  Terry Guo  <terry.guo@arm.com>
 736
 737         * config.gcc (arm*-*-*): Check --with-arch against arm-arches.def.
 738
 739 2014-01-05  Iain Sandoe  <iain@codesourcery.com>
 740
 741         PR bootstrap/59541
 742         * config/darwin.c (darwin_function_section): Adjust return values to
 743         correspond to optimisation changes made in r206070.
 744
 745 2014-01-05  Uros Bizjak  <ubizjak@gmail.com>
 746
 747         * config/i386/i386.c (ix86_data_alignment): Calculate max_align
 748         from prefetch_block tune setting.
 749         (nocona_cost): Correct size of prefetch block to 64.
 750
 751 2014-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 752
 753         * config/arm/arm.c (arm_get_frame_offsets): Revamp long lines.
 754         (arm_expand_epilogue_apcs_frame): Take into account the number of bytes
 755         used to save the static chain register in the computation of the offset
 756         from which the FP registers need to be restored.
 757
 758 2014-01-04  Jakub Jelinek  <jakub@redhat.com>
 759
 760         PR tree-optimization/59519
 761         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
 762         ICE if get_current_def (current_new_name) is already non-NULL, as long
 763         as it is a phi result of some other phi in *new_exit_bb that has
 764         the same argument.
 765
 766         * config/i386/sse.md (avx512f_load<mode>_mask): Emit vmovup{s,d}
 767         or vmovdqu* for misaligned_operand.
 768         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>,
 769         <sse2_avx_avx512f>_loaddqu<mode><mask_name>): Handle <mask_applied>.
 770         * config/i386/i386.c (ix86_expand_special_args_builtin): Set
 771         aligned_mem for AVX512F masked aligned load and store builtins and for
 772         non-temporal moves.
 773
 774 2014-01-03  Bingfeng Mei  <bmei@broadcom.com>
 775
 776         PR tree-optimization/59651
 777         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
 778         Address range for negative step should be added by TYPE_SIZE_UNIT.
 779
 780 2014-01-03  Andreas Schwab  <schwab@linux-m68k.org>
 781
 782         * config/m68k/m68k.c (handle_move_double): Handle pushes with
 783         overlapping registers also for registers other than the stack
 784         pointer.
 785
 786 2014-01-03  Marek Polacek  <polacek@redhat.com>
 787
 788         PR other/59661
 789         * doc/extend.texi: Fix the return value of __builtin_FUNCTION and
 790         __builtin_FILE.
 791
 792 2014-01-03  Jakub Jelinek  <jakub@redhat.com>
 793
 794         PR target/59625
 795         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Don't consider
 796         asm goto as jump.
 797
 798         * config/i386/i386.md (MODE_SIZE): New mode attribute.
 799         (push splitter): Use <P:MODE_SIZE> instead of
 800         GET_MODE_SIZE (<P:MODE>mode).
 801         (lea splitter): Use <MODE_SIZE> instead of GET_MODE_SIZE (<MODE>mode).
 802         (mov -1, reg peephole2): Likewise.
 803         * config/i386/sse.md (*mov<mode>_internal,
 804         <sse>_storeu<ssemodesuffix><avxsizesuffix>,
 805         <sse2_avx_avx512f>_storedqu<mode>, <sse>_andnot<mode>3,
 806         *<code><mode>3, *andnot<mode>3<mask_name>,
 807         <mask_codefor><code><mode>3<mask_name>): Likewise.
 808         * config/i386/subst.md (mask_mode512bit_condition,
 809         sd_mask_mode512bit_condition): Likewise.
 810
 811 2014-01-02  Xinliang David Li  <davidxl@google.com>
 812
 813         PR tree-optimization/59303
 814         * tree-ssa-uninit.c (is_use_properly_guarded): Main cleanup.
 815         (dump_predicates): Better output format.
 816         (pred_equal_p): New function.
 817         (is_neq_relop_p): Ditto.
 818         (is_neq_zero_form_p): Ditto.
 819         (pred_expr_equal_p): Ditto.
 820         (pred_neg_p): Ditto.
 821         (simplify_pred): Ditto.
 822         (simplify_preds_2): Ditto.
 823         (simplify_preds_3): Ditto.
 824         (simplify_preds_4): Ditto.
 825         (simplify_preds): Ditto.
 826         (push_pred): Ditto.
 827         (push_to_worklist): Ditto.
 828         (get_pred_info_from_cmp): Ditto.
 829         (is_degenerated_phi): Ditto.
 830         (normalize_one_pred_1): Ditto.
 831         (normalize_one_pred): Ditto.
 832         (normalize_one_pred_chain): Ditto.
 833         (normalize_preds): Ditto.
 834         (normalize_cond_1): Remove function.
 835         (normalize_cond): Ditto.
 836         (is_gcond_subset_of): Ditto.
 837         (is_subset_of_any): Ditto.
 838         (is_or_set_subset_of): Ditto.
 839         (is_and_set_subset_of): Ditto.
 840         (is_norm_cond_subset_of): Ditto.
 841         (pred_chain_length_cmp): Ditto.
 842         (convert_control_dep_chain_into_preds): Type change.
 843         (find_predicates): Ditto.
 844         (find_def_preds): Ditto.
 845         (destroy_predicates_vecs): Ditto.
 846         (find_matching_predicates_in_rest_chains): Ditto.
 847         (use_pred_not_overlap_with_undef_path_pred): Ditto.
 848         (is_pred_expr_subset): Ditto.
 849         (is_pred_chain_subset_of): Ditto.
 850         (is_included_in): Ditto.
 851         (is_superset_of): Ditto.
 852
 853 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 854
 855         Update copyright years.
 856
 857 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 858
 859         * common/config/arc/arc-common.c, config/arc/arc-modes.def,
 860         config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
 861         config/arc/arc.md, config/arc/arc.opt,
 862         config/arm/arm_neon_builtins.def, config/arm/crypto.def,
 863         config/i386/avx512cdintrin.h, config/i386/avx512erintrin.h,
 864         config/i386/avx512fintrin.h, config/i386/avx512pfintrin.h,
 865         config/i386/btver2.md, config/i386/shaintrin.h, config/i386/slm.md,
 866         config/linux-protos.h, config/linux.c, config/winnt-c.c,
 867         diagnostic-color.c, diagnostic-color.h, gimple-ssa-isolate-paths.c,
 868         vtable-verify.c, vtable-verify.h: Use the standard form for the
 869         copyright notice.
 870
 871 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 872
 873         * gcc.c (process_command): Update copyright notice dates.
 874         * gcov-dump.c: Ditto.
 875         * gcov.c: Ditto.
 876         * doc/cpp.texi: Bump @copying's copyright year.
 877         * doc/cppinternals.texi: Ditto.
 878         * doc/gcc.texi: Ditto.
 879         * doc/gccint.texi: Ditto.
 880         * doc/gcov.texi: Ditto.
 881         * doc/install.texi: Ditto.
 882         * doc/invoke.texi: Ditto.
 883
 884 2014-01-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 885
 886         * config/nios2/nios2.h (BITS_PER_UNIT): Don't define it.
 887
 888 2014-01-01  Jakub Jelinek  <jakub@redhat.com>
 889
 890         * config/i386/sse.md (*mov<mode>_internal): Guard
 891         EXT_REX_SSE_REGNO_P (REGNO ()) uses with REG_P.
 892
 893         PR rtl-optimization/59647
 894         * cse.c (cse_process_notes_1): Don't substitute negative VOIDmode
 895         new_rtx into UNSIGNED_FLOAT rtxes.
 896 \f
 897 Copyright (C) 2014 Free Software Foundation, Inc.
 898
 899 Copying and distribution of this file, with or without modification,
 900 are permitted in any medium without royalty provided the copyright
 901 notice and this notice are preserved.