gcc/ChangeLog

   1 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
   2
   3         PR rtl-optimization/51374
   4         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
   5         to cross other volatile_refs_p insns.
   6
   7 2012-02-01  Richard Guenther  <rguenther@suse.de>
   8
   9         * doc/invoke.texi (fno-inline): Clarify documentation.
  10         (finline-small-functions): Likewise.
  11         (finline-functions): Likewise.
  12         * common.opt (finline): Adjust comment and documentation.
  13         (finline-small-functions): Clarify documentation.
  14         (finline-functions): Likewise.
  15         (finline-functions-called-once): Likewise.
  16
  17 2012-02-01  Tristan Gingold  <gingold@adacore.com>
  18
  19         * c-typeck.c (composite_type): Keep mode for pointers.
  20
  21 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
  22
  23         * function.h (regno_reg_rtx): Adjust comment.
  24         * reginfo.c (init_reg_modes_target): Only use the previous mode
  25         if it fits within one register.  Remove MIPS comment.
  26
  27 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  28
  29         PR bootstrap/52058
  30         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
  31
  32 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  33
  34         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
  35         to srak instruction.
  36
  37 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  38
  39         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
  40         condition.
  41
  42 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  43
  44         PR bootstrap/52041
  45         PR bootstrap/52039
  46         PR target/51974
  47         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
  48
  49 2012-01-31  Richard Guenther  <rguenther@suse.de>
  50
  51         PR tree-optimization/51528
  52         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
  53         assigns.
  54
  55 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  56
  57         PR bootstrap/52041
  58         PR bootstrap/52039
  59         PR target/51974
  60         * ree.c (add_removable_extension): Change def_map argument
  61         to unsigned *, store in def_map 1 + offset into *insn_list vector
  62         instead of pointers into the vector.
  63         (find_removable_extensions): Adjust caller.
  64
  65 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
  66
  67         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
  68         Transform all "* quoted-c-code" to { c-code }.
  69         Remove redundant test for "optimize" in combine patterns.
  70         Move (include "avr-dimode.md") to end of file.
  71
  72 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
  73
  74         PR target/51835
  75         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
  76         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
  77
  78 2012-01-30  Richard Guenther  <rguenther@suse.de>
  79
  80         PR tree-optimization/52028
  81         * tree-loop-distribution.c (ldist_gen): Properly update
  82         virtual SSA form.
  83
  84 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
  85
  86         PR debug/52027
  87         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
  88         set_cur_line_info_table if not emitting debug info.
  89
  90         PR tree-optimization/52046
  91         * tree-vect-patterns.c (check_bool_pattern): Give up if
  92         a comparison could throw.
  93
  94         PR debug/52048
  95         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
  96
  97 2012-01-30  Richard Guenther  <rguenther@suse.de>
  98
  99         PR tree-optimization/52045
 100         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 101         SSA form if cfgcleanup did anything.
 102
 103 2012-01-30  Richard Guenther  <rguenther@suse.de>
 104
 105         PR tree-optimization/52045
 106         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 107         before computing final todo.
 108
 109 2012-01-30  Richard Guenther  <rguenther@suse.de>
 110
 111         PR tree-optimization/51528
 112         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 113         for PR51528 fix.
 114
 115 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 116
 117         * df-problems.c (df_kill_notes): Check that the use refers
 118         to the note under examination.
 119
 120 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 121
 122         PR target/51920
 123         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 124         parameter and use short-lived pseudos.
 125         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 126         (sparc_expand_vector_init): Const-ify local variables and adjust
 127         calls to above functions.
 128
 129 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 130
 131         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 132
 133 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 134
 135         * doc/invoke.texi: Make usage of "compile time" and
 136         "run time"/"runtime" consistent throughout the file.
 137
 138 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 139
 140         * config/alpha/alpha.c (alpha_option_overrride): Default to
 141         full IEEE compliance mode for Go language.
 142
 143 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 144
 145         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 146         (LINK_SSP_SPEC): Define.
 147
 148 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 149
 150         PR target/51871
 151         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 152         stubs.
 153
 154 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 155
 156         * doc/invoke.texi: Correct hyphenation of "floating point",
 157         "double precision", and related terminology throughout the file.
 158
 159 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 160
 161         PR target/52006
 162         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 163         arm_general_register_operand predicate for operand 2 instead of
 164         register_operand.
 165
 166 2012-01-27  Ian Lance Taylor  <iant@google.com>
 167
 168         PR go/47656
 169         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 170         * builtins.c (expand_builtin_init_trampoline): Add onstack
 171         parameter.  Change caller.
 172         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 173         * tree.c (build_common_builtin_nodes): Declare
 174         __builtin_init_heap_trampoline.
 175
 176 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 177
 178         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 179         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 180         * config/avr/avr.c: Ditto.
 181         (avr_regnames): Remove because unused.
 182         * config/avr/avr.md (*cpse.ne): New peephole.
 183         (*cpse.eq): New peephole from former cpse peepholes.
 184
 185 2012-01-27  Michael Eager  <eager@eagercon.com>
 186
 187         * config/microblaze.c (microblaze_emit_compare): Correct
 188         test after pcmp instruction.
 189
 190 2012-01-27  Richard Guenther  <rguenther@suse.de>
 191
 192         PR tree-optimization/52020
 193         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 194
 195 2012-01-27  Richard Guenther  <rguenther@suse.de>
 196
 197         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 198         function non-const/pure.
 199
 200 2012-01-27  Richard Guenther  <rguenther@suse.de>
 201
 202         PR tree-optimization/50444
 203         * tree-sra.c (build_ref_for_offset): Properly adjust the
 204         MEM_REF type for unaligned accesses.
 205
 206 2012-01-27  Richard Guenther  <rguenther@suse.de>
 207
 208         PR tree-optimization/50444
 209         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 210         (expand_assignment): Use it.  Properly handle misaligned
 211         bases when expanding stores to component references.
 212         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 213         refactor that case.
 214
 215 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 216
 217         PR middle-end/51389
 218         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 219         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 220         * tree-data-ref.c (find_data_references_in_loop): Make static.
 221         (compute_all_dependences): Change return type to bool.  Bail out
 222         for too many datarefs in a loop.  Move the hunk resetting the data
 223         dependences vector from ...
 224         (compute_data_dependences_for_loop): ... here.  Account for
 225         compute_all_dependences returning false.
 226         (compute_data_dependences_for_bb): Likewise.
 227         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 228         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 229
 230 2012-01-27  Richard Guenther  <rguenther@suse.de>
 231
 232         PR middle-end/51959
 233         * expr.c (store_field): Use the alias-set of the scratch memory
 234         for storing to it.
 235
 236 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 237
 238         PR tree-optimization/51990
 239         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 240         WITH_SIZE_EXPR.
 241         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 242
 243 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 244
 245         PR debug/52001
 246         * var-tracking.c (reverse_op): Don't add any reverse operation
 247         if V already has any constant locations.
 248
 249 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 250
 251         * doc/invoke.texi: Correct usage of "command line" (noun)
 252         vs "command-line" (adjective) throughout.
 253
 254 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 255
 256         * doc/invoke.texi (Language Independent Options): Move
 257         -Wcoverage-mismatch blurb from here....
 258         (Warning Options): ...to here.
 259
 260 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 261
 262         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 263         Set rs6000_always_hint to false for 476.
 264
 265 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 266
 267         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 268           system root.
 269         * incpath.c (add_standard_paths): Likewise.
 270
 271 2012-01-27  Richard Henderson  <rth@redhat.com>
 272
 273         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 274         * config/m68k/sync.md (atomic_test_and_set): Rename from
 275         sync_test_and_setqi and adjust the operands.
 276         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 277         and unconditionally enable.
 278
 279 2012-01-27  Richard Henderson  <rth@redhat.com>
 280
 281         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 282         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 283         (ldstub): Rename from ldstubqi.
 284         (ldstub<I24MODE>): Remove.
 285
 286 2012-01-27  Richard Henderson  <rth@redhat.com>
 287
 288         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 289         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 290         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 291         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 292         * doc/tm.texi: Rebuild.
 293
 294 2012-01-27  Richard Henderson  <rth@redhat.com>
 295
 296         * optabs.c (gen_atomic_test_and_set): Remove default.
 297         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 298
 299 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 300
 301         PR rtl-optimization/51978
 302         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 303         (combine_reaching_defs): Likewise.
 304         (struct re_info): Remove.
 305         (add_removable_extension): Remove x and data arguments,
 306         add insn, insn_list and def_map.  Use the arguments directly
 307         instead of using struct re_info.
 308         (find_removable_extensions): Don't call add_removable_extension
 309         through note_stores, instead just call it with single_set
 310         result if non-NULL.
 311         (find_and_remove_re): Pass curr_cand->expr instead of
 312         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 313
 314 2012-01-26  Michael Matz  <matz@suse.de>
 315
 316         PR tree-optimization/46590
 317         * cfgexpand.c: Revert last change (r183305).
 318         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 319         regs.
 320         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 321         checking for emptiness.
 322
 323 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 324
 325         PR middle-end/51895
 326         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 327         non-addressable non-BLKmode base correctly.
 328
 329 2012-01-26  Michael Matz  <matz@suse.de>
 330
 331         PR tree-optimization/48794
 332         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 333         regions referenced from RESX/EH_DISPATCH.
 334
 335 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 336
 337         * config/s390/s390.h: Make BRANCH_COST an option.
 338         * config/s390/s390.opt: New option -mbranch-cost.
 339
 340 2012-01-26  Richard Henderson  <rth@redhat.com>
 341
 342         Revert 2012-01-24 change:
 343         * trans-mem.c (requires_barrier): Do not instrument thread local
 344         variables and emit save/restore for them.
 345
 346 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 347
 348         PR middle-end/51986
 349         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 350         for pat == 0.
 351
 352 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 353
 354         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 355         ASM_OPERANDS.
 356
 357 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 358
 359         PR target/49868
 360         Rename __pgm to __flash.
 361         Rename __pgm1 to __flash1.
 362         Rename __pgm2 to __flash2.
 363         Rename __pgm3 to __flash3.
 364         Rename __pgm4 to __flash4.
 365         Rename __pgm5 to __flash5.
 366         Rename __pgmx to __memx.
 367         * doc/extend.texi (AVR Named Address Spaces)
 368         Rename address space names as indicated above.
 369         * config/avr/avr.c (avr_addrspace): Ditto.
 370
 371         * config/avr/avr-protos.h
 372         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 373         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 374         * config/avr/predicates.md: Ditto.
 375         * config/avr/avr.c Ditto, and
 376         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 377         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 378
 379         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 380         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 381         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 382         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 383         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 384         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 385         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 386         * config/avr/avr.c: Ditto.
 387         * config/avr/avr.md: Ditto.
 388
 389 2012-01-25  Jason Merrill  <jason@redhat.com>
 390
 391         PR c++/51992
 392         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 393
 394 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 395
 396         PR tree-optimization/51987
 397         * tree-data-ref.c (get_references_in_stmt): Handle references in
 398         non-volatile GIMPLE_ASM.
 399
 400 2012-01-25  Richard Guenther  <rguenther@suse.de>
 401
 402         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 403         bases are dereferenced.
 404
 405 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 406
 407         PR rtl-optimization/48374
 408         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 409
 410 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 411
 412         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 413         compute_data_dependences_for_loop returns false.
 414         * tree-parloops.c (loop_parallel_p): Likewise.
 415
 416 2012-01-25  Richard Guenther  <rguenther@suse.de>
 417
 418         * tree.h (get_pointer_alignment_1): Declare.
 419         * builtins.c (get_pointer_alignment_1): New function.
 420         (get_pointer_alignment): Use it.
 421
 422 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 423
 424         PR rtl-optimization/48308
 425         * combine.c (enum undo_kind): Add UNDO_LINKS.
 426         (struct undo): Add member l to other_contents and where.
 427         (do_SUBST_LINK): New.
 428         (SUBST_LINK): New.
 429         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 430         (undo_all): Handle UNDO_LINKS.
 431
 432 2012-01-25  Richard Henderson  <rth@redhat.com>
 433
 434         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 435         mem inputs.
 436
 437 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 438
 439         * optabs.c (gen_atomic_test_and_set): Use each argument.
 440
 441 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 442
 443         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 444         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 445         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 446         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 447         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 448         TARGET_PAIRED_SINGLE_FLOAT.
 449
 450 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 451
 452         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 453         (in_struct, return_val): Remove MEM documentation.
 454         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 455         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 456         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 457         and MEM_SCALAR.
 458         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 459         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 460         * expr.c (store_field): Likewise.
 461         * function.c (assign_stack_temp_for_type): Likewise.
 462         * ifcvt.c (noce_try_cmove_arith): Likewise.
 463         * reload1.c (reload): Likewise.
 464         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 465         (alpha_set_memflags): Likewise.
 466         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 467
 468 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 469
 470         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 471         parameter.
 472         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 473         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 474         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 475         varies parameter.
 476         * cselib.c (cselib_rtx_varies_p): Delete.
 477         (cselib_invalidate_mem): Update call to canon_true_dependence.
 478         * dse.c (record_store, check_mem_read_rtx): Likewise.
 479         (scan_reads_nospill): Likewise.
 480         * cse.c (check_dependence): Likewise.
 481         (cse_rtx_varies_p): Delete.
 482         * expr.c (safe_from_p): Update call to true_dependence.
 483         * ira.c (validate_equiv_mem_from_store): Likewise.
 484         (memref_referenced_p): Likewise.
 485         * postreload-gcse.c (find_mem_conflicts): Likewise.
 486         * sched-deps.c (sched_analyze_2): Likewise.
 487         * store-motion.c (load_kills_store): Likewise.
 488         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 489         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 490         (compute_transp): Update call to canon_true_dependence.
 491
 492 2012-01-25  Richard Henderson  <rth@redhat.com>
 493
 494         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 495         (maybe_emit_atomic_test_and_set): New.
 496         (expand_sync_lock_test_and_set): Use it.
 497         (expand_atomic_test_and_set): Likewise.
 498         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 499         the implementation; clarify implementation defined details.
 500         * doc/md.texi (atomic_test_and_set): Document.
 501
 502 2012-01-25  Richard Henderson  <rth@redhat.com>
 503
 504         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 505
 506 2012-01-25  Richard Henderson  <rth@redhat.com>
 507
 508         PR target/51968
 509         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 510         to effect no-op split.
 511
 512 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 513
 514         PR lto/51698
 515         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 516         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 517         (BT_FN_VOID_PTR_INT_SIZE): New.
 518         (BT_FN_UINT_UINT_VAR): Remove.
 519         (BT_FN_UINT32_UINT32_VAR): New.
 520         (BT_FN_DOUBLE_VPTR): Remove.
 521         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 522
 523         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 524         (_ITM_changeTransactionMode): Same.
 525         (_ITM_memmoveRtWt): Change return type to void.
 526         (_ITM_memcpyRtWt): Same.
 527         (_ITM_memsetW): Same.
 528         (_ITM_RaRD): Change types to double.
 529         (_ITM_RD): Same.
 530         (_ITM_RaWD): Same.
 531         (_ITM_RfWD): Same.
 532
 533         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 534
 535 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 536             Patrick Marlier  <patrick.marlier@gmail.com>
 537
 538         * trans-mem.c (requires_barrier): Do not instrument thread local
 539         variables and emit save/restore for them.
 540
 541 2012-01-24  Jason Merrill  <jason@redhat.com>
 542
 543         PR c++/51812
 544         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 545         output static aliases.
 546
 547 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 548
 549         PR driver/47249
 550         * common.opt (-pie, -shared, pie, shared): Change from Common to
 551         Driver.
 552         * gcc.c (display_help): Display help for -pie and -shared.
 553
 554 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 555
 556         PR target/49868
 557         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 558         Remove note on size/offset limitation.
 559         (AVR Variable Attributes): Add example how to read data located
 560         with progmem.  Refer to named address spaces.
 561         * doc/invoke.texi (AVR Options): Fix typo.
 562
 563 2012-01-24  Richard Guenther  <rguenther@suse.de>
 564
 565         Forward-port to trunk
 566         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 567
 568         PR middle-end/45678
 569         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 570         op0 isn't sufficiently aligned and there is movmisalignM
 571         insn for mode, use it to load op0 into a temporary register.
 572
 573 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 574
 575         PR target/51957
 576         * target.def (const_not_ok_for_debug_p): New hook.
 577         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 578         documentation.
 579         * doc/tm.texi: Regenerated.
 580         * dwarf2out.c (const_ok_for_output_1): If
 581         targetm.const_not_ok_for_debug_p returns true, fail.
 582         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 583         function.
 584         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 585
 586 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 587
 588         PR target/51900
 589         * config/i386/predicates.md (symbolic_operand): Allow
 590         UNSPEC_PCREL as PIC expression for lea.
 591         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 592         * config/i386/i386.c (ix86_delegitimize_address): Handle
 593         UNSPEC_PCREL for none-MEM, too.
 594
 595 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 596
 597         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 598         (ipa_tm_create_version_alias): Same.
 599
 600 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 601
 602         PR libitm/51830
 603         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 604         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 605
 606 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 607             Patrick Marlier  <patrick.marlier@gmail.com>
 608             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 609
 610         PR lto/51916
 611         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 612         simple_object_start_read.
 613
 614 2012-01-23  Richard Guenther  <rguenther@suse.de>
 615
 616
 617         PR tree-optimization/51895
 618         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 619         parameter decomposition into BLKmode components.
 620
 621 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 622
 623         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 624         fake variables for restrict-qualified pointers whose pointed-to type
 625         contains a placeholder.
 626
 627 2012-01-23  Richard Guenther  <rguenther@suse.de>
 628
 629         PR tree-optimization/51949
 630         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 631
 632 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 633
 634         PR rtl-optimization/51933
 635         * ree.c (transform_ifelse): Return true right away if dstreg is
 636         already wider or equal to cand->mode.
 637         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 638         (make_defs_and_copies_lists): Remove defs_list and copies_list
 639         arguments, add state argument, just truncate state->work_list
 640         instead of always allocating and freeing the vector.  Assert that
 641         get_defs succeeds instead of returning 2.  Changed return type to bool.
 642         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 643         have ext_src_mode, see if it has been modified already with the
 644         right kind of extension and has been extended before from the
 645         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 646         just return true.  Remember the original mode in state->modified array.
 647         (combine_reaching_defs): Add state argument.  Don't allocate and
 648         free here def_list, copied_list and vec vectors, instead just
 649         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 650         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 651         Add state variable, clear vectors in it, initialize state.modified
 652         if needed.  Free all the vectors at the end and state.modified too.
 653         Don't skip a candidate if the extension expression has been modified.
 654
 655 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 656
 657         PR target/47096
 658         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 659          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 660         (extra_options) interix.opt -> i386/interix.opt"
 661         (extra_objs):Add winnt-stubs.o
 662         * configure.ac: Add interix to target_os .comm on PE check.
 663         * configure: Regenerate.
 664         * config/interix3.h: Delete and move bits to..
 665         * config/interix.h: Delete and move bits to..
 666         * config/i386/i386-interix3.h: Delete and move bits to..
 667         * config/i386/i386-interix.h: ..here.
 668         (TARGET_CPU_DEFAULT): Remove redefinition.
 669         (TARGET_ASM_CONSTRUCTOR): Undefine.
 670         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 671         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 672         (PTRDIFF_TYPE): Define.
 673         (LONG_DOUBLE_TYPE_SIZE): Define.
 674         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 675         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 676         (TARGET_SECTION_TYPE_FLAGS): Define.
 677         (ASM_DECLARE_FUNCTION_NAME): Define.
 678         (ASM_OUTPUT_EXTERNAL): Define.
 679         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 680         (ASM_OUTPUT_ALIGNED_BSS): Define.
 681         (PCC_BITFIELD_TYPE_MATTERS): Define.
 682         (USE_CONST_SECTION): Define.
 683         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 684         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 685         (SUPPORTS_ONE_ONLY): Remove.
 686         (I386_PE_STRIP_ENCODING): Define.
 687         * config/interix.opt: Delete and move bits to..
 688         * config/i386/interix.opt: ..here. New.
 689         (mpe-aligned-commons): Add.
 690         * config/i386/t-interix: Add copyright header.
 691         (winnt-stubs.o): Add rule.
 692
 693 2012-01-22  Jason Merrill  <jason@redhat.com>
 694
 695         PR c++/51832
 696         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 697         for extra name aliases.
 698
 699 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 700
 701         PR rtl-optimization/51924
 702         * ree.c (combine_set_extension): Improve debugging message.
 703         (combine_reaching_defs): Likewise.
 704         (get_defs): Rename confusingly named variable.
 705         (find_and_remove_re): Skip a candidate if the extension expression has
 706         been modified.
 707
 708 2012-01-21  Robert Millan  <rmh@gnu.org>
 709             Gerald Pfeifer  <gerald@pfeifer.com>
 710
 711         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 712         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 713
 714 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 715
 716         PR tree-optimization/51914
 717         * tree-vect-stmts.c (vectorizable_conversion): For
 718         cvt_type && modifier == WIDEN, put temporary with cvt_type
 719         at the beginning of vec_dsts and set vec_dest to temporary
 720         with vectype_out.
 721
 722 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 723
 724         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 725
 726 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 727
 728         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 729         * config/rs6000/rs6000.c: Likewise.
 730
 731 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 732
 733         PR target/51915
 734         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 735         output_move_double on a copy of operands array.
 736
 737 2012-01-20  Cary Coutant  <ccoutant@google.com>
 738             Dodji Seketeli  <dodji@redhat.com>
 739
 740         PR debug/45682
 741         * dwarf2out.c (copy_declaration_context): Return ref to parent
 742         of declaration DIE, if necessary.
 743         (remove_child_or_replace_with_skeleton): Add new parameter; update
 744         caller.  Place skeleton DIE under parent DIE of original declaration.
 745         Move call to copy_declaration_context to here ...
 746         (break_out_comdat_types): ... from here.
 747
 748 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 749
 750         PR rtl-optimization/51856
 751         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 752         flag to reloaded.
 753
 754 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 755
 756         PR target/51819
 757         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 758         hints for neon loads and stores.
 759
 760 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 761
 762         PR target/49868
 763         PR target/50887
 764         * doc/extend.texi (Named Address Spaces): Split into subsections.
 765         (AVR Named Address Spaces): New subsection.
 766         (M32C Named Address Spaces): New subsection.
 767         (RL78 Named Address Spaces): New subsection.
 768         (SPU Named Address Spaces): New subsection.
 769         (Variable Attributes): New anchor "AVR Variable Attributes".
 770         (AVR Variable Attributes): Rewrite and avoid wording
 771         "address space" in this context.
 772         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 773         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 774         (AVR Built-in Macros): New subsubsection therein.
 775         * doc/md.texi (AVR constraints): Remove "C04", "R".
 776
 777 2012-01-20  Richard Guenther  <rguenther@suse.de>
 778
 779         PR tree-optimization/51903
 780         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 781         when removing stmts.
 782
 783 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 784
 785         PR target/50313
 786         * config/arm/arm.c (arm_load_pic_register): Use
 787         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 788         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 789         (arm_pic_static_addr): Likewise.
 790         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 791         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 792         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 793         (pic_load_addr_unified): New.
 794
 795 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 796
 797         PR target/51106
 798         * function.c (instantiate_virtual_regs_in_insn): Use
 799         delete_insn_and_edges when removing a wrong asm insn.
 800
 801 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 802
 803         PR rtl-optimization/40761
 804         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 805         Add new member loop_num.
 806         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 807         (ira_build): Remove the parameter.
 808
 809         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 810         (ira.c): Do not build CFG loops for one region allocation.  Remove
 811         argument from ira_build call.
 812
 813         * ira-build.c (init_loop_tree_node): New function.
 814         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 815         loops are not built.
 816         (more_one_region_p): Check current_loops.
 817         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 818         built.
 819         (add_loop_to_tree): Process loop equal to NULL too.
 820         (form_loop_tree): Separate the case when CFG loops are not built.
 821         Use explicitly number for the root.
 822         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 823         an assertion.
 824         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 825         instead of loop->num.
 826         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 827         (mark_all_loops_for_removal): Ditto.
 828         (remove_unnecessary_regions): Separate the case when CFG loops
 829         are not built.
 830         (ira_build): Remove the parameter.  Use explicit number of regions
 831         when CFG loops are not built.
 832
 833         * ira-color.c (print_loop_title): Separate the case for the root node.
 834         Use loop_num instead of loop->num.
 835         (move_spill_restore): Use loop_num instead of loop->num.
 836
 837         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 838         (change_loop): Ditto.
 839         (change_loop): Use loop_num instead of loop->num.
 840
 841         * ira-lives.c (process_bb_node_lives): Ditto.
 842
 843         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 844
 845         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 846
 847 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 848
 849         PR libmudflap/40778
 850         * tree-mudflap.c (mf_artificial): New function.
 851         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 852         mx_register_decls, mudflap_enqueue_decl): Use it.
 853
 854         PR target/51876
 855         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 856         numbers in the insn pattern.
 857
 858 2012-01-19  Michael Matz  <matz@suse.de>
 859
 860         PR tree-optimization/46590
 861         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 862         use it in remembering which conflicts we already created.
 863         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 864         bitmap.
 865
 866 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 867
 868         PR lto/51280
 869         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 870         (merge_and_complain): Same.
 871
 872 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 873
 874         PR bootstrap/50237
 875         * config/initfini-array.h: Guard content of the header
 876         with #ifdef HAVE_INITFINI_ARRAY.
 877         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 878         Add initfini-array.h to tm_file here.
 879         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 880         * config.gcc: Don't add initfini-array.h to tm_file here.
 881         * configure: Regenerated.
 882
 883 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 884
 885         PR rtl-optimization/51505
 886         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 887         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 888         (df_note_bb_compute): Update the call to df_kill_notes.
 889
 890 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 891
 892         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 893
 894 2012-01-18  Richard Guenther  <rguenther@suse.de>
 895
 896         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 897         of conversions to void *.
 898
 899 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 900             Richard Sandiford  <rdsandiford@googlemail.com>
 901
 902         PR middle-end/50325
 903         PR middle-end/51192
 904         * optabs.h (simplify_expand_binop): Declare.
 905         * optabs.c (simplify_expand_binop): Make global.
 906         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 907         endian targets if the source cannot be exactly covered by word
 908         mode chunks.
 909
 910 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 911
 912         PR bootstrap/51872
 913         * hard-reg-set.h (struct hard_reg_set_container): New type.
 914         * target.h (struct hard_reg_set_container): Forward declare.
 915         * target.def (set_up_by_prologue): New target hook.
 916         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 917         * doc/tm.texi: Regenerated.
 918         * function.c (thread_prologue_and_epilogue_insns): Change
 919         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 920         Call targetm.set_up_by_prologue on it.
 921         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 922         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 923
 924 2012-01-17  Nick Clifton  <nickc@redhat.com>
 925
 926         * config/rx/rx.c (rx_can_use_simple_return): New function.
 927         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 928         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 929
 930 2012-01-17  Richard Guenther  <rguenther@suse.de>
 931
 932         PR middle-end/51782
 933         * expr.c (expand_assignment): Take address-space information
 934         from the address operand of MEM_REF and TARGET_MEM_REF.
 935         (expand_expr_real_1): Likewise.
 936
 937 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 938
 939         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 940         reload dump is requested.
 941
 942 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 943
 944         PR other/51165
 945         * trans-mem.c (requires_barrier): Call may_be_aliased.
 946
 947 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 948
 949         PR tree-optimization/51877
 950         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 951         call arguments and fndecls compare equal, instead return false if they
 952         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 953         both SSA_NAMEs that are valueized the same, or they satisfy
 954         operand_equal_p.
 955
 956 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 957
 958         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 959         Solaris 11+.
 960         * configure: Regenerate.
 961
 962 2012-01-16  Jan Hubicka  <jh@suse.cz>
 963
 964         PR c/12245
 965         PR c++/14179
 966         * convert.c (convert_to_integer): Use fold_convert for
 967         converting an INTEGER_CST to integer type.
 968
 969 2012-01-16  Jason Merrill  <jason@redhat.com>
 970
 971         PR c++/14179
 972         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 973
 974 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 975
 976         PR bootstrap/51860
 977         * config/s390/s390.c (s390_chunkify_start): Don't skip
 978         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 979         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 980         If insn is followed by NOTE_INSN_VAR_LOCATION or
 981         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 982         Don't use location of note insns.
 983
 984         PR tree-optimization/51865
 985         * tree-inline.c (tree_function_versioning): Call remap_decl
 986         on DECL_RESULT whenever it has VOID_TYPE_P type.
 987
 988 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 989
 990         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 991         for calls to locally-binding MIPS16 functions if only the return
 992         type uses float regs.
 993
 994 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 995             Richard Sandiford  <rdsandiford@googlemail.com>
 996
 997         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 998         (SYMBOL_32_HIGH): Likewise.
 999         (mips_output_tls_reloc_directive): Declare.
1000         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1001         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1002         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1003         (mips_lo_relocs, mips_hi_relocs): Make extern.
1004         (mips16_stub_function): Move up file.
1005         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1006         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1007         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1008         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1009         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1010         (mips_get_tp): Add MIPS16 support.
1011         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1012         Generalize DTPREL and TPREL handling.
1013         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1014         Add MIPS16 TLS support.
1015         (mips_output_tls_reloc_directive): New function.
1016         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1017         * config/mips/predicates.md (symbolic_operand_with_high)
1018         (tls_reloc_operand): New predicates.
1019         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1020         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1021         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1022         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1023         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1024         (*tls_get_tp_mips16_call_<mode>): Likewise.
1025
1026 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         PR rtl-optimization/51821
1029         * recog.c (peep2_find_free_register): Determine clobbered registers
1030         from insn pattern.
1031
1032 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1033
1034         PR target/50925
1035         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1036         * config/avr/avr.c: Likewise.
1037         * config/avr/avr.h: Likewise.
1038
1039 2012-01-13  Ian Lance Taylor  <iant@google.com>
1040
1041         PR c++/50012
1042         * tree.h (TYPE_QUALS): Add cast to int.
1043         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1044
1045 2012-01-13  Ian Lance Taylor  <iant@google.com>
1046
1047         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1048         comparing param_index to VEC_length result.
1049
1050 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1051
1052         * c-decl.c: Do not include tree-mudflap.h
1053         * tree-optimize.c: Likewise.
1054         * Makefile.in: Update dependencies.
1055
1056 2012-01-13  Richard Guenther  <rguenther@suse.de>
1057
1058         PR middle-end/8081
1059         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1060         variable-sized result always use RSO.
1061
1062 2012-01-12  DJ Delorie  <dj@redhat.com>
1063
1064         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1065         pointer type, not just the default pointer type.
1066
1067 2012-01-09  Richard Henderson  <rth@redhat.com>
1068             Denis Chertykov  <chertykov@gmail.com>
1069
1070         PR target/50925
1071         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1072         * config/avr/avr.c (avr_can_eliminate): Simplify.
1073         (avr_initial_elimination_offset): Likewise.
1074         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1075         (expand_epilogue): Likewise.
1076         (avr_legitimize_address): Gut.
1077         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1078         (avr_hard_regno_nregs): New.
1079         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1080         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1081         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1082         add soft frame pointer.
1083         (CALL_USED_REGISTERS): Likewise.
1084         (REG_CLASS_CONTENTS): Likewise.
1085         (REGISTER_NAMES): Likewise.
1086         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1087         (HARD_FRAME_POINTER_REGNUM): New.
1088         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1089         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1090         remove the HARD_FRAME_POINTER self-elimination.
1091
1092 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1093
1094         PR target/51756
1095         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1096         DECL_EXTERNAL when checking for initializers of progmem variables.
1097
1098 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1099
1100         PR tree-optimization/51799
1101         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1102         that the last operation is a type demotion.
1103
1104 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1107         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1108
1109 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1110
1111         PR bootstrap/51796
1112         * combine.c (distribute_notes): If i3 is a noreturn call,
1113         allow old_size to be equal to args_size and make sure the
1114         noreturn call gets REG_ARGS_SIZE note.
1115         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1116         on noreturn calls even when the delta is 0.
1117
1118 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1119
1120         * gcov.c (STRING_SIZE): Remove.
1121         (generate_results): Erase annotations for source files with no
1122         coverage information.
1123         (read_line): New.
1124         (output_lines): Use it.
1125
1126 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1127
1128         * gimple.h (gimplify_body): Remove first argument.
1129         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1130         pointer set here, instead just pass DATA to walk_tree.
1131         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1132         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1133         (unvisit_body): Likewise, but with unmark_visited.
1134         (gimplify_body): Remove BODY_P argument and adjust.
1135         (gimplify_function_tree): Adjust call to gimplify_body.
1136         * omp-low.c (finalize_task_copyfn): Likewise.
1137
1138 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1139
1140         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1141         (build_function_type_skip_args): Delete.
1142         * tree.c (build_function_type_skip_args): Make static and add
1143         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1144         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1145         pass it to build_function_type_skip_args.
1146         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1147         (tree_function_versioning): Likewise.
1148         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1149         build_function_decl_skip_args.
1150         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1151         and pass it to build_function_decl_skip_args/tree_function_versioning.
1152         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1153         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1154         * trans-mem.c (ipa_tm_create_version): Likewise.
1155         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1156         * tree-inline.c (declare_return_variable): Remove always-true test.
1157         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1158         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1159         * ipa-split.c (split_function): Skip the return value for the split
1160         part if it doesn't return.
1161
1162 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1163
1164         PR tree-optimization/49642
1165         * ipa-split.c (forbidden_dominators): New variable.
1166         (check_forbidden_calls): New function.
1167         (dominated_by_forbidden): Likewise.
1168         (consider_split): Check for forbidden dominators.
1169         (execute_split_functions): Initialize and free forbidden
1170         dominators info; call check_forbidden_calls.
1171
1172 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1173
1174         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1175
1176 2012-01-11  Nick Clifton  <nickc@redhat.com>
1177
1178         * config/rx/rx.md (return): Define pattern.
1179
1180 2012-01-11  Richard Guenther  <rguenther@suse.de>
1181
1182         * doc/extend.texi (malloc attribute): Adjust according to
1183         implementation.
1184
1185 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1186             Patrick Marlier  <patrick.marlier@gmail.com>
1187
1188         PR middle-end/51516
1189         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1190         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1191         (ipa_tm_note_irrevocable): Same.
1192         (ipa_tm_scan_irr_block): Same.
1193         (ipa_tm_decrement_clone_counts): Same.
1194         (ipa_tm_scan_irr_function): Same.
1195         (ipa_tm_create_version_alias): Same.
1196         (ipa_tm_create_version): Same.
1197         (ipa_tm_transform_calls_redirect): Same.
1198         (ipa_tm_transform_calls): Same.
1199         (ipa_tm_transform_transaction): Same.
1200         (ipa_tm_execute): Same.
1201
1202 2012-01-10  Richard Guenther  <rguenther@suse.de>
1203
1204         PR middle-end/51806
1205         * opts.c (common_handle_option): Handle -Werror.
1206
1207 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1208
1209         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1210         operand number.
1211
1212 2012-01-10  Jason Merrill  <jason@redhat.com>
1213
1214         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1215         information.
1216
1217 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1218
1219         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1220         supports R_386_TLS_GD_PLT reloc.
1221         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1222         supports R_386_TLS_LDM_PLT reloc.
1223         * configure: Regenerate.
1224         * config.in: Regenerate.
1225
1226 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1227
1228         PR target/49868
1229         Extend __pgmx semantics to linearize memory.
1230         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1231         determine if code comes inline or from libgcc.
1232         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1233         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1234         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1235         (movmemx_qi, movmemx_hi): New insns.
1236         (xload_<mode>_libgcc): Rewrite to new insn condition.
1237         (xload_<mode>): Remove insns.
1238         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1239         cases that don't satisfy avr_xload_libgcc_p().
1240         (avr_addr_space_convert): Allow converting in any direction.
1241         (avr_addr_space_subset_p): Return always true.
1242         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1243         (avr_emit_movmemhi): Ditto.
1244         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1245         (avr_out_movmem): Ditto.
1246         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1247         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1248         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1249         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1250         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1251
1252 2012-01-10  Richard Guenther  <rguenther@suse.de>
1253
1254         PR tree-optimization/50913
1255         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1256         Require data-refs to be representable by Graphite with respect
1257         to any loop nest.
1258
1259 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1260
1261         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1262         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1263
1264 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1265
1266         PR rtl-optimization/51271
1267         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1268         handling annulled branch.
1269
1270 2012-01-10  Richard Henderson  <rth@redhat.com>
1271
1272         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1273         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1274         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1275         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1276         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1277         arm_expand_vec_perm_const): New.
1278         * config/arm/arm-protos.h: Update.
1279         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1280         (*neon_vswp<VDQX>): New.
1281         (neon_vcombine<VDX>): Use neon_split_vcombine.
1282         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1283         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1284         (vec_perm<VE>): New.
1285
1286 2012-01-10  Richard Henderson  <rth@redhat.com>
1287
1288         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1289         use it if reload_completed.
1290         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1291         arm_output_asm_insn, arm_process_output_memory_barrier,
1292         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1293         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1294         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1295         arm_process_output_sync_insn, arm_output_sync_insn,
1296         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1297         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1298         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1299         (emit_unlikely_jump): New.
1300         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1301         (arm_split_atomic_op): New.
1302         * config/arm/arm-protos.h: Update.
1303         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1304         (struct arm_sync_generator): Remove.
1305         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1306         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1307         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1308         (VUNSPEC_LL, VUNSPEC_SC): New.
1309         (sync_result, sync_memory, sync_required_value, sync_new_value,
1310         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1311         (attr length): Don't use arm_sync_loop_insns.
1312         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1313         (movsfcc, movdfcc): Likewise.
1314         * config/arm/constraints.md (Ua): New.
1315         * config/arm/prediates.md (mem_noofs_operand): New.
1316         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1317         (sync_clobber, sync_t2_reqd): Remove.
1318         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1319         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1320         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1321         (arm_sync_compare_and_swap<SIDI>): Remove.
1322         (arm_sync_compare_and_swap<NARROW>): Remove.
1323         (arm_sync_lock_test_and_set<SIDI>): Remove.
1324         (arm_sync_lock_test_and_set<NARROW>): Remove.
1325         (arm_sync_new_<syncop><SIDI>): Remove.
1326         (arm_sync_new_<syncop><NARROW>): Remove.
1327         (arm_sync_new_nand<SIDI>): Remove.
1328         (arm_sync_new_nand<NARROW>): Remove.
1329         (arm_sync_old_<syncop><SIDI>): Remove.
1330         (arm_sync_old_<syncop><NARROW>): Remove.
1331         (arm_sync_old_nand<SIDI>): Remove.
1332         (arm_sync_old_nand<NARROW>): Remove.
1333         (*memory_barrier): Merge arm_output_memory_barrier.
1334         (atomic_compare_and_swap<QHSD>): New.
1335         (atomic_compare_and_swap<NARROW>_1): New.
1336         (atomic_compare_and_swap<SIDI>_1): New.
1337         (atomic_exchange<QHSD>): New.
1338         (cas_cmp_operand, cas_cmp_str): New.
1339         (atomic_op_operand, atomic_op_str): New.
1340         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1341         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1342         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1343         (arm_load_exclusive<NARROW>): New.
1344         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1345         (arm_store_exclusive<QHSD>): New.
1346
1347 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1348
1349         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1350         reload patterns if -mvsx-scalar-memory.
1351
1352         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1353         generated, even -mno-vsx-scalar-double was used.
1354         (vsx_xscvdpsp_scalar): Likewise.
1355         (vsx_xscvspdp_scalar2): Likewise.
1356
1357 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1358             Andrew Pinski  <apinski@cavium.com>
1359
1360         PR debug/51471
1361         * reorg.c (fill_slots_from_thread): Don't speculate
1362         frame-related insns.
1363
1364 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1365
1366         * sched-int.h (bb_note): Move to...
1367         * basic-block.h: ...here.
1368         * haifa-sched.c (bb_note): Move to...
1369         * cfgrtl.c: ...here.
1370         * function.c (next_block_for_reg): New function.
1371         (move_insn_for_shrink_wrap): Likewise.
1372         (prepare_shrink_wrap): Rewrite to use the above.
1373
1374 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1375
1376         * gimple.c (is_gimple_non_addressable): Remove.
1377         * gimple.h: Remove is_gimple_non_addressable.
1378         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1379         is_gimple_non_addressable.
1380         * trans-mem.c (expand_assign_tm): Same.
1381
1382 2012-01-09  Richard Guenther  <rguenther@suse.de>
1383
1384         PR tree-optimization/51775
1385         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1386         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1387
1388 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1389
1390         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1391         tuning parameters.
1392         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1393
1394 2012-01-09  Richard Guenther  <rguenther@suse.de>
1395
1396         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1397
1398 2012-01-08  Jan Hubicka  <jh@suse.cz>
1399
1400         PR tree-optimize/51680
1401         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1402         on when known_vals needs to be computed; cleanup.
1403
1404 2012-01-08  Jan Hubicka  <jh@suse.cz>
1405
1406         PR tree-optimize/51694
1407         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1408
1409 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1410
1411         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1412         for -std=c++98 and -std=c++11 too.
1413
1414 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1415
1416         * cfgloop.c (cancel_loop): Add free() of bbs array.
1417
1418 2012-01-07  Jan Hubicka  <jh@suse.cz>
1419
1420         PR tree-optimization/51600
1421         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1422         that benefits small functions.
1423
1424 2012-01-07  Jan Hubicka  <jh@suse.cz>
1425
1426         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1427
1428 2012-01-07  Jan Hubicka  <jh@suse.cz>
1429
1430         PR tree-optimization/51680
1431         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1432         whose inlining reduce unit size.
1433
1434 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1435
1436         PR bootstrap/51725
1437         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1438         Add canonical node to containing_mem chain after the non-canonical
1439         one, even if there weren't any locs to propagate.
1440         (remove_useless_values): Keep only canonical values.
1441         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1442         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1443         canonicalize mem_chain elements that are not discarded.
1444
1445 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR target/47333
1448         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1449         before emitting functions.
1450
1451         PR gcov-profile/50127
1452         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1453         clear_aux_for_blocks.
1454
1455 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1456
1457         PR debug/51746
1458         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1459
1460 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1461
1462         * c-decl.c (ext_block): Moved up.
1463         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1464
1465 2012-01-06  Han Shen  <shenhan@google.com>
1466
1467         Translate built-in include paths for sysroot.
1468         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1469         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1470
1471         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1472         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1473
1474         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1475         control whether sysroot should be prepended to gxx include dir.
1476
1477         * configure: Regenerate.
1478
1479 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1480
1481         PR rtl-optimization/51771
1482         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1483         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1484
1485 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1486
1487         PR tree-optimization/51315
1488         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1489         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1490
1491 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1492
1493         PR target/51681
1494         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1495         for shrp pattern.  Correctly handle and fixup shift variable.
1496         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1497
1498 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1499
1500         PR debug/51762
1501         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1502         note when !ACCUMULATE_OUTGOING_ARGS.
1503
1504 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1505
1506         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1507         condition.
1508         (extract_range_from_unary_expr_1): Avoid useless computations.
1509
1510 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1511
1512         PR rtl-optimization/51767
1513         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1514         of jump_block and add an extra edge for degenerated asm gotos.
1515
1516         PR middle-end/51768
1517         * stmt.c (check_unique_operand_names): Don't ICE during error
1518         reporting if i is from labels chain.
1519
1520         PR middle-end/44777
1521         * profile.c (branch_prob): Split bbs that have exit edge
1522         and need a fake entry edge too.
1523
1524 2012-01-05  Jan Hubicka  <jh@suse.cz>
1525
1526         PR middle-end/49710
1527         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1528         unlooping loops.
1529
1530 2012-01-05  Richard Guenther  <rguenther@suse.de>
1531
1532         PR lto/50490
1533         * tree-streamer-out.c (write_ts_optimization): New function.
1534         (streamer_write_tree_body): Call it.
1535         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1536         (streamer_read_tree_body): Call it.
1537         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1538
1539 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1540
1541         PR middle-end/51761
1542         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1543         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1544         in_cleanup_point_expr before gimplify_stmt call and restore it
1545         afterwards.
1546         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1547         in_cleanup_point_expr is false.
1548
1549 2012-01-05  Richard Guenther  <rguenther@suse.de>
1550
1551         PR middle-end/51764
1552         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1553         to c.opt.
1554         * toplev.c (process_options): Reject combining mudflap and LTO.
1555         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1556
1557 2012-01-05  Richard Guenther  <rguenther@suse.de>
1558
1559         PR tree-optimization/51760
1560         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1561         not VARYING.
1562         (bit_value_unop): Handle UNDEFINED operands.
1563         (bit_value_binop): Likewise.
1564
1565 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1566
1567         * config/avr/avr.c (avr_replace_prefix): Remove.
1568         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1569         (avr_asm_function_rodata_section): Ditto.
1570         (avr_asm_select_section): Ditto.
1571
1572 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1573
1574         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1575         insertion.
1576
1577 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1578
1579         PR bootstrap/51648
1580         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1581         calls that have any non-fake successor edges.
1582
1583         PR debug/51746
1584         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1585
1586 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         PR tree-optimization/51624
1589         * tree-sra.c (build_ref_for_model): When replicating a chain of
1590         COMPONENT_REFs, stop as soon as the offset would become negative.
1591
1592 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1593
1594         PR debug/51695
1595         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1596         in .debug_loc on the floor.
1597
1598 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1599
1600         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1601
1602 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1603             Adam Nemet  <anemet@caviumnetworks.com>
1604
1605         * config/mips/mips.md (size): Add SI and DI.
1606         (SIZE): New mode attribute.
1607         (U): New code attribute.
1608         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1609         (mips_lbux_<mode>): Delete.
1610         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1611         (mips_lhx): Use gen_mips_lhx_extsi.
1612         (mips_lhx_<mode>): Delete.
1613         (mips_lwx): Delete.
1614         (mips_l<size>x): New expand.
1615         (mips_lwx_<mode>): Delete.
1616         (mips_l<GPR:size>x_<P:mode>): New pattern.
1617         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1618         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1619         * config/mips/mips.c (mips_lx_address_p): New function.
1620         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1621         (dsp64): New availability predicate.
1622         (mips_builtins): Add an entry for __builtin_mips_ldx.
1623         * config/mips/mips.h (ISA_HAS_LBX): New define.
1624         (ISA_HAS_LBUX): Likewise.
1625         (ISA_HAS_LHX): Likewise.
1626         (ISA_HAS_LHUX): Likewise.
1627         (ISA_HAS_LWX): Likewise.
1628         (ISA_HAS_LWUX): Likewise.
1629         (ISA_HAS_LDX): Likewise.
1630         * doc/extend.texi (__builtin_mips_ldx): Document.
1631
1632 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1633
1634         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1635         when long pointers are used.
1636         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1637         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1638         (ia64-hp-*vms*): Remove.
1639         * config/vms/xm-vms64.h: Delete.
1640
1641 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1642
1643         PR middle-end/51472
1644         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1645
1646 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1647
1648         * opts.c (finish_options): Remove duplicate sorry.
1649
1650 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1651
1652         PR middle-end/51696
1653         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1654         correctly.
1655
1656 2012-01-04  Richard Guenther  <rguenther@suse.de>
1657
1658         PR middle-end/51750
1659         * tree.c (size_low_cst): New function.
1660         * tree.h (size_low_cst): Declare.
1661         * fold-const.c (fold_comparison): Use it to extract the low
1662         part of the POINTER_PLUS_EXPR offset.
1663
1664 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1665
1666         Fix clearing ZERO_REG
1667         * config/avr/avr.md (cc): Add alternative "ldi".
1668         (movqi_insn): Use it in cc attribute.
1669         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1670         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1671         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1672
1673 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1674
1675         * configure: Regenerate.
1676
1677 2012-01-04  Richard Guenther  <rguenther@suse.de>
1678
1679         PR tree-optimization/49651
1680         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1681         (var_can_have_subvars): Use it.
1682         (get_constraint_for_1): Only consider subfields if there can be any.
1683
1684 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR bootstrap/51725
1687         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1688         to its new canonical_cselib_val and the cselib_val was in
1689         first_containing_mem chain, but the canonical_cselib_val was not,
1690         add the latter into the chain.
1691         (cselib_invalidate_mem): Compare canonical_cselib_val of
1692         addr_list chain elt with v.
1693
1694         PR pch/51722
1695         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1696         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1697         of xstrdup.
1698         (output_macinfo_op): Don't ggc_strdup fd->filename.
1699         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1700         then ggc_strdup it.  Don't free inc->info or cur->info.
1701         (output_macinfo): Don't free ref->info or file->info.
1702
1703 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1704
1705         PR tree-optimization/51269
1706         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1707         first_niters a pointer.
1708         (slpeel_tree_peel_loop_to_edge): Likewise.
1709         (vect_do_peeling_for_loop_bound): Update call to
1710         slpeel_tree_peel_loop_to_edge.
1711         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1712         here.  Remove it from the parameters list.
1713         (vect_do_peeling_for_alignment): Update calls and compute
1714         wide_prolog_niters.
1715
1716 2012-01-03  Richard Guenther  <rguenther@suse.de>
1717
1718         PR tree-optimization/51070
1719         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1720         Properly handle calls.
1721
1722 2012-01-03  Richard Guenther  <rguenther@suse.de>
1723
1724         PR tree-optimization/51692
1725         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1726         the LHS of allocation stmts.
1727
1728 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1729
1730         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1731
1732 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1733
1734         * collect2.c (main): In AIX specific computations for vector
1735         insertions, use CONST_CAST2 to cast from char ** to const char **.
1736
1737 2012-01-03  Richard Guenther  <rguenther@suse.de>
1738
1739         PR debug/51650
1740         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1741         the context of a limbo DIE when it does not already exist.
1742
1743 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR tree-optimization/51719
1746         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1747         but direct call is, clear direct call's lhs and don't add fallthrough
1748         edge from dcall_bb to join_bb and PHIs.
1749
1750 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1751
1752         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1753         the instructions emitted by the pattern.
1754         ("*TDC_insn_<mode>"): Add comment.
1755
1756 2012-01-03  Richard Guenther  <rguenther@suse.de>
1757
1758         PR middle-end/51730
1759         * fold-const.c (fold_comparison): Properly canonicalize
1760         tree offset and HOST_WIDE_INT bit position.
1761
1762 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1763
1764         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1765         operands for extzv pattern.
1766
1767 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1768
1769         PR bootstrap/51725
1770         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1771         on mem_elt first.
1772
1773 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1774
1775         * doc/invoke.texi (-flto and related options): Copy-edit.
1776
1777 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1778
1779         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1780
1781 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1782
1783         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1784         New patterns.
1785
1786 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1787
1788         * expr.h (move_by_pieces_ninsns): Declare.
1789         * expr.c (move_by_pieces_ninsns): Make external.
1790         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1791         (mips_store_by_pieces_p): Likewise.
1792         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1793         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1794         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1795         (mips_store_by_pieces_p): Likewise.
1796
1797 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1798
1799         * passes.c (register_one_dump_file): Free full_name.
1800
1801         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1802         (calculate_elim_costs_all_insns): Free offsets_at and
1803         offsets_known_at at the end and clear the pointers.
1804
1805 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1806
1807         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1808         this option introduced in r180739.
1809
1810 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1811
1812         PR target/51345
1813         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1814         (tmake_file target=avr): Add avr/t-multilib.
1815
1816         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1817         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1818         * config/avr/genmultilib.awk: New file.
1819         * config/avr/t-multilib: New auto-generated file.
1820         * config/avr/multilib.h: New auto-generated file.
1821         * config/avr/t-avr (AVR_MCUS): New variable.
1822         (genopt.sh): Use it.
1823         (s-mlib): Depend on t-multilib.
1824         (t-multilib, multilib.h): New dependencies.
1825         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1826         (MULTILIB_OPTIONS): Remove.
1827         (MULTILIB_MATCHES): Remove.
1828         (MULTILIB_DIRNAMES): Remove.
1829         (MULTILIB_EXCEPTIONS): Remove:
1830         * config/avr/genopt.sh: Don't use hard coded file name;
1831         pass AVR_MCUS from t-avr instead.
1832
1833 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1834
1835         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1836
1837 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1838
1839         Implement light-weight DImode support.
1840         * config/avr/avr-dimode.md: New file.
1841         * config/avr/avr.md: Include it.
1842         (adjust_len): Add plus64, compare64.
1843         (HIDI): Remove code iterator.
1844         (code_stdname): New code attribute.
1845         (rotx, rotsmode): Remove DI.
1846         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1847         as code iterator.
1848         * config/avr/avr-protos.h (avr_have_dimode): New.
1849         (avr_out_plus64, avr_out_compare64): New.
1850         * config/avr/avr.c (avr_out_compare): Handle DImode.
1851         (avr_have_dimode): New variable definition and initialization.
1852         (avr_out_compare64, avr_out_plus64): New functions.
1853         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1854         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1855         (avr_compare_pattern): Skip DImode comparisons.
1856
1857 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1858
1859         * ddg.c (def_has_ccmode_p): New function.
1860         (add_cross_iteration_register_deps,
1861         create_ddg_dep_from_intra_loop_link): Call it.
1862
1863 2012-01-02  Richard Guenther  <rguenther@suse.de>
1864
1865         PR other/51679
1866         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1867
1868 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1869
1870         * gcc.c (process_command): Update copyright notice dates.
1871         * gcov.c (print_version): Likewise.
1872         * gcov-dump.c (print_version): Likewise.
1873         * mips-tfile.c (main): Likewise.
1874         * mips-tdump.c (main): Likewise.
1875
1876 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1877
1878         PR tree-optimization/51704
1879         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1880         a use is inside the basic block or loop before accessing its vect info.
1881
1882 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1883
1884         PR rtl-optimization/51069
1885         * cfgloopmanip.c (remove_path): Removing path making irreducible
1886         region unconditional makes BB part of the region.
1887
1888 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR tree-optimization/51683
1891         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1892         calls with side-effects.
1893         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1894 \f
1895 Copyright (C) 2012 Free Software Foundation, Inc.
1896
1897 Copying and distribution of this file, with or without modification,
1898 are permitted in any medium without royalty provided the copyright
1899 notice and this notice are preserved.