gcc/ChangeLog

   1 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR tree-optimization/52073
   4         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
   5         a pattern stmt for pattern uses, ignore uses outside of the loop.
   6
   7 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
   8
   9         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
  10         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
  11         (OUT_AS1, OUT_AS2): Remove.
  12
  13 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
  14
  15         PR rtl-optimization/51374
  16         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
  17         to cross other volatile_refs_p insns.
  18
  19 2012-02-01  Richard Guenther  <rguenther@suse.de>
  20
  21         * doc/invoke.texi (fno-inline): Clarify documentation.
  22         (finline-small-functions): Likewise.
  23         (finline-functions): Likewise.
  24         * common.opt (finline): Adjust comment and documentation.
  25         (finline-small-functions): Clarify documentation.
  26         (finline-functions): Likewise.
  27         (finline-functions-called-once): Likewise.
  28
  29 2012-02-01  Tristan Gingold  <gingold@adacore.com>
  30
  31         * c-typeck.c (composite_type): Keep mode for pointers.
  32
  33 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
  34
  35         * function.h (regno_reg_rtx): Adjust comment.
  36         * reginfo.c (init_reg_modes_target): Only use the previous mode
  37         if it fits within one register.  Remove MIPS comment.
  38
  39 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  40
  41         PR bootstrap/52058
  42         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
  43
  44 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  45
  46         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
  47         to srak instruction.
  48
  49 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  50
  51         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
  52         condition.
  53
  54 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  55
  56         PR bootstrap/52041
  57         PR bootstrap/52039
  58         PR target/51974
  59         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
  60
  61 2012-01-31  Richard Guenther  <rguenther@suse.de>
  62
  63         PR tree-optimization/51528
  64         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
  65         assigns.
  66
  67 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  68
  69         PR bootstrap/52041
  70         PR bootstrap/52039
  71         PR target/51974
  72         * ree.c (add_removable_extension): Change def_map argument
  73         to unsigned *, store in def_map 1 + offset into *insn_list vector
  74         instead of pointers into the vector.
  75         (find_removable_extensions): Adjust caller.
  76
  77 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
  78
  79         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
  80         Transform all "* quoted-c-code" to { c-code }.
  81         Remove redundant test for "optimize" in combine patterns.
  82         Move (include "avr-dimode.md") to end of file.
  83
  84 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
  85
  86         PR target/51835
  87         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
  88         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
  89
  90 2012-01-30  Richard Guenther  <rguenther@suse.de>
  91
  92         PR tree-optimization/52028
  93         * tree-loop-distribution.c (ldist_gen): Properly update
  94         virtual SSA form.
  95
  96 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR debug/52027
  99         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 100         set_cur_line_info_table if not emitting debug info.
 101
 102         PR tree-optimization/52046
 103         * tree-vect-patterns.c (check_bool_pattern): Give up if
 104         a comparison could throw.
 105
 106         PR debug/52048
 107         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 108
 109 2012-01-30  Richard Guenther  <rguenther@suse.de>
 110
 111         PR tree-optimization/52045
 112         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 113         SSA form if cfgcleanup did anything.
 114
 115 2012-01-30  Richard Guenther  <rguenther@suse.de>
 116
 117         PR tree-optimization/52045
 118         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 119         before computing final todo.
 120
 121 2012-01-30  Richard Guenther  <rguenther@suse.de>
 122
 123         PR tree-optimization/51528
 124         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 125         for PR51528 fix.
 126
 127 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 128
 129         * df-problems.c (df_kill_notes): Check that the use refers
 130         to the note under examination.
 131
 132 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 133
 134         PR target/51920
 135         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 136         parameter and use short-lived pseudos.
 137         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 138         (sparc_expand_vector_init): Const-ify local variables and adjust
 139         calls to above functions.
 140
 141 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 142
 143         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 144
 145 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 146
 147         * doc/invoke.texi: Make usage of "compile time" and
 148         "run time"/"runtime" consistent throughout the file.
 149
 150 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 151
 152         * config/alpha/alpha.c (alpha_option_overrride): Default to
 153         full IEEE compliance mode for Go language.
 154
 155 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 156
 157         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 158         (LINK_SSP_SPEC): Define.
 159
 160 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 161
 162         PR target/51871
 163         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 164         stubs.
 165
 166 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 167
 168         * doc/invoke.texi: Correct hyphenation of "floating point",
 169         "double precision", and related terminology throughout the file.
 170
 171 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 172
 173         PR target/52006
 174         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 175         arm_general_register_operand predicate for operand 2 instead of
 176         register_operand.
 177
 178 2012-01-27  Ian Lance Taylor  <iant@google.com>
 179
 180         PR go/47656
 181         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 182         * builtins.c (expand_builtin_init_trampoline): Add onstack
 183         parameter.  Change caller.
 184         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 185         * tree.c (build_common_builtin_nodes): Declare
 186         __builtin_init_heap_trampoline.
 187
 188 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 189
 190         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 191         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 192         * config/avr/avr.c: Ditto.
 193         (avr_regnames): Remove because unused.
 194         * config/avr/avr.md (*cpse.ne): New peephole.
 195         (*cpse.eq): New peephole from former cpse peepholes.
 196
 197 2012-01-27  Michael Eager  <eager@eagercon.com>
 198
 199         * config/microblaze.c (microblaze_emit_compare): Correct
 200         test after pcmp instruction.
 201
 202 2012-01-27  Richard Guenther  <rguenther@suse.de>
 203
 204         PR tree-optimization/52020
 205         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 206
 207 2012-01-27  Richard Guenther  <rguenther@suse.de>
 208
 209         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 210         function non-const/pure.
 211
 212 2012-01-27  Richard Guenther  <rguenther@suse.de>
 213
 214         PR tree-optimization/50444
 215         * tree-sra.c (build_ref_for_offset): Properly adjust the
 216         MEM_REF type for unaligned accesses.
 217
 218 2012-01-27  Richard Guenther  <rguenther@suse.de>
 219
 220         PR tree-optimization/50444
 221         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 222         (expand_assignment): Use it.  Properly handle misaligned
 223         bases when expanding stores to component references.
 224         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 225         refactor that case.
 226
 227 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 228
 229         PR middle-end/51389
 230         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 231         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 232         * tree-data-ref.c (find_data_references_in_loop): Make static.
 233         (compute_all_dependences): Change return type to bool.  Bail out
 234         for too many datarefs in a loop.  Move the hunk resetting the data
 235         dependences vector from ...
 236         (compute_data_dependences_for_loop): ... here.  Account for
 237         compute_all_dependences returning false.
 238         (compute_data_dependences_for_bb): Likewise.
 239         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 240         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 241
 242 2012-01-27  Richard Guenther  <rguenther@suse.de>
 243
 244         PR middle-end/51959
 245         * expr.c (store_field): Use the alias-set of the scratch memory
 246         for storing to it.
 247
 248 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 249
 250         PR tree-optimization/51990
 251         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 252         WITH_SIZE_EXPR.
 253         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 254
 255 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 256
 257         PR debug/52001
 258         * var-tracking.c (reverse_op): Don't add any reverse operation
 259         if V already has any constant locations.
 260
 261 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 262
 263         * doc/invoke.texi: Correct usage of "command line" (noun)
 264         vs "command-line" (adjective) throughout.
 265
 266 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 267
 268         * doc/invoke.texi (Language Independent Options): Move
 269         -Wcoverage-mismatch blurb from here....
 270         (Warning Options): ...to here.
 271
 272 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 273
 274         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 275         Set rs6000_always_hint to false for 476.
 276
 277 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 278
 279         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 280           system root.
 281         * incpath.c (add_standard_paths): Likewise.
 282
 283 2012-01-27  Richard Henderson  <rth@redhat.com>
 284
 285         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 286         * config/m68k/sync.md (atomic_test_and_set): Rename from
 287         sync_test_and_setqi and adjust the operands.
 288         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 289         and unconditionally enable.
 290
 291 2012-01-27  Richard Henderson  <rth@redhat.com>
 292
 293         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 294         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 295         (ldstub): Rename from ldstubqi.
 296         (ldstub<I24MODE>): Remove.
 297
 298 2012-01-27  Richard Henderson  <rth@redhat.com>
 299
 300         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 301         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 302         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 303         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 304         * doc/tm.texi: Rebuild.
 305
 306 2012-01-27  Richard Henderson  <rth@redhat.com>
 307
 308         * optabs.c (gen_atomic_test_and_set): Remove default.
 309         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 310
 311 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 312
 313         PR rtl-optimization/51978
 314         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 315         (combine_reaching_defs): Likewise.
 316         (struct re_info): Remove.
 317         (add_removable_extension): Remove x and data arguments,
 318         add insn, insn_list and def_map.  Use the arguments directly
 319         instead of using struct re_info.
 320         (find_removable_extensions): Don't call add_removable_extension
 321         through note_stores, instead just call it with single_set
 322         result if non-NULL.
 323         (find_and_remove_re): Pass curr_cand->expr instead of
 324         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 325
 326 2012-01-26  Michael Matz  <matz@suse.de>
 327
 328         PR tree-optimization/46590
 329         * cfgexpand.c: Revert last change (r183305).
 330         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 331         regs.
 332         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 333         checking for emptiness.
 334
 335 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 336
 337         PR middle-end/51895
 338         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 339         non-addressable non-BLKmode base correctly.
 340
 341 2012-01-26  Michael Matz  <matz@suse.de>
 342
 343         PR tree-optimization/48794
 344         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 345         regions referenced from RESX/EH_DISPATCH.
 346
 347 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 348
 349         * config/s390/s390.h: Make BRANCH_COST an option.
 350         * config/s390/s390.opt: New option -mbranch-cost.
 351
 352 2012-01-26  Richard Henderson  <rth@redhat.com>
 353
 354         Revert 2012-01-24 change:
 355         * trans-mem.c (requires_barrier): Do not instrument thread local
 356         variables and emit save/restore for them.
 357
 358 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 359
 360         PR middle-end/51986
 361         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 362         for pat == 0.
 363
 364 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 365
 366         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 367         ASM_OPERANDS.
 368
 369 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 370
 371         PR target/49868
 372         Rename __pgm to __flash.
 373         Rename __pgm1 to __flash1.
 374         Rename __pgm2 to __flash2.
 375         Rename __pgm3 to __flash3.
 376         Rename __pgm4 to __flash4.
 377         Rename __pgm5 to __flash5.
 378         Rename __pgmx to __memx.
 379         * doc/extend.texi (AVR Named Address Spaces)
 380         Rename address space names as indicated above.
 381         * config/avr/avr.c (avr_addrspace): Ditto.
 382
 383         * config/avr/avr-protos.h
 384         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 385         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 386         * config/avr/predicates.md: Ditto.
 387         * config/avr/avr.c Ditto, and
 388         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 389         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 390
 391         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 392         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 393         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 394         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 395         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 396         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 397         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 398         * config/avr/avr.c: Ditto.
 399         * config/avr/avr.md: Ditto.
 400
 401 2012-01-25  Jason Merrill  <jason@redhat.com>
 402
 403         PR c++/51992
 404         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 405
 406 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 407
 408         PR tree-optimization/51987
 409         * tree-data-ref.c (get_references_in_stmt): Handle references in
 410         non-volatile GIMPLE_ASM.
 411
 412 2012-01-25  Richard Guenther  <rguenther@suse.de>
 413
 414         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 415         bases are dereferenced.
 416
 417 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 418
 419         PR rtl-optimization/48374
 420         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 421
 422 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 423
 424         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 425         compute_data_dependences_for_loop returns false.
 426         * tree-parloops.c (loop_parallel_p): Likewise.
 427
 428 2012-01-25  Richard Guenther  <rguenther@suse.de>
 429
 430         * tree.h (get_pointer_alignment_1): Declare.
 431         * builtins.c (get_pointer_alignment_1): New function.
 432         (get_pointer_alignment): Use it.
 433
 434 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 435
 436         PR rtl-optimization/48308
 437         * combine.c (enum undo_kind): Add UNDO_LINKS.
 438         (struct undo): Add member l to other_contents and where.
 439         (do_SUBST_LINK): New.
 440         (SUBST_LINK): New.
 441         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 442         (undo_all): Handle UNDO_LINKS.
 443
 444 2012-01-25  Richard Henderson  <rth@redhat.com>
 445
 446         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 447         mem inputs.
 448
 449 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 450
 451         * optabs.c (gen_atomic_test_and_set): Use each argument.
 452
 453 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 454
 455         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 456         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 457         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 458         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 459         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 460         TARGET_PAIRED_SINGLE_FLOAT.
 461
 462 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 463
 464         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 465         (in_struct, return_val): Remove MEM documentation.
 466         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 467         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 468         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 469         and MEM_SCALAR.
 470         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 471         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 472         * expr.c (store_field): Likewise.
 473         * function.c (assign_stack_temp_for_type): Likewise.
 474         * ifcvt.c (noce_try_cmove_arith): Likewise.
 475         * reload1.c (reload): Likewise.
 476         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 477         (alpha_set_memflags): Likewise.
 478         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 479
 480 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 481
 482         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 483         parameter.
 484         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 485         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 486         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 487         varies parameter.
 488         * cselib.c (cselib_rtx_varies_p): Delete.
 489         (cselib_invalidate_mem): Update call to canon_true_dependence.
 490         * dse.c (record_store, check_mem_read_rtx): Likewise.
 491         (scan_reads_nospill): Likewise.
 492         * cse.c (check_dependence): Likewise.
 493         (cse_rtx_varies_p): Delete.
 494         * expr.c (safe_from_p): Update call to true_dependence.
 495         * ira.c (validate_equiv_mem_from_store): Likewise.
 496         (memref_referenced_p): Likewise.
 497         * postreload-gcse.c (find_mem_conflicts): Likewise.
 498         * sched-deps.c (sched_analyze_2): Likewise.
 499         * store-motion.c (load_kills_store): Likewise.
 500         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 501         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 502         (compute_transp): Update call to canon_true_dependence.
 503
 504 2012-01-25  Richard Henderson  <rth@redhat.com>
 505
 506         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 507         (maybe_emit_atomic_test_and_set): New.
 508         (expand_sync_lock_test_and_set): Use it.
 509         (expand_atomic_test_and_set): Likewise.
 510         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 511         the implementation; clarify implementation defined details.
 512         * doc/md.texi (atomic_test_and_set): Document.
 513
 514 2012-01-25  Richard Henderson  <rth@redhat.com>
 515
 516         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 517
 518 2012-01-25  Richard Henderson  <rth@redhat.com>
 519
 520         PR target/51968
 521         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 522         to effect no-op split.
 523
 524 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 525
 526         PR lto/51698
 527         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 528         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 529         (BT_FN_VOID_PTR_INT_SIZE): New.
 530         (BT_FN_UINT_UINT_VAR): Remove.
 531         (BT_FN_UINT32_UINT32_VAR): New.
 532         (BT_FN_DOUBLE_VPTR): Remove.
 533         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 534
 535         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 536         (_ITM_changeTransactionMode): Same.
 537         (_ITM_memmoveRtWt): Change return type to void.
 538         (_ITM_memcpyRtWt): Same.
 539         (_ITM_memsetW): Same.
 540         (_ITM_RaRD): Change types to double.
 541         (_ITM_RD): Same.
 542         (_ITM_RaWD): Same.
 543         (_ITM_RfWD): Same.
 544
 545         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 546
 547 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 548             Patrick Marlier  <patrick.marlier@gmail.com>
 549
 550         * trans-mem.c (requires_barrier): Do not instrument thread local
 551         variables and emit save/restore for them.
 552
 553 2012-01-24  Jason Merrill  <jason@redhat.com>
 554
 555         PR c++/51812
 556         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 557         output static aliases.
 558
 559 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 560
 561         PR driver/47249
 562         * common.opt (-pie, -shared, pie, shared): Change from Common to
 563         Driver.
 564         * gcc.c (display_help): Display help for -pie and -shared.
 565
 566 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 567
 568         PR target/49868
 569         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 570         Remove note on size/offset limitation.
 571         (AVR Variable Attributes): Add example how to read data located
 572         with progmem.  Refer to named address spaces.
 573         * doc/invoke.texi (AVR Options): Fix typo.
 574
 575 2012-01-24  Richard Guenther  <rguenther@suse.de>
 576
 577         Forward-port to trunk
 578         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 579
 580         PR middle-end/45678
 581         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 582         op0 isn't sufficiently aligned and there is movmisalignM
 583         insn for mode, use it to load op0 into a temporary register.
 584
 585 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 586
 587         PR target/51957
 588         * target.def (const_not_ok_for_debug_p): New hook.
 589         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 590         documentation.
 591         * doc/tm.texi: Regenerated.
 592         * dwarf2out.c (const_ok_for_output_1): If
 593         targetm.const_not_ok_for_debug_p returns true, fail.
 594         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 595         function.
 596         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 597
 598 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 599
 600         PR target/51900
 601         * config/i386/predicates.md (symbolic_operand): Allow
 602         UNSPEC_PCREL as PIC expression for lea.
 603         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 604         * config/i386/i386.c (ix86_delegitimize_address): Handle
 605         UNSPEC_PCREL for none-MEM, too.
 606
 607 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 608
 609         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 610         (ipa_tm_create_version_alias): Same.
 611
 612 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 613
 614         PR libitm/51830
 615         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 616         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 617
 618 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 619             Patrick Marlier  <patrick.marlier@gmail.com>
 620             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 621
 622         PR lto/51916
 623         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 624         simple_object_start_read.
 625
 626 2012-01-23  Richard Guenther  <rguenther@suse.de>
 627
 628
 629         PR tree-optimization/51895
 630         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 631         parameter decomposition into BLKmode components.
 632
 633 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 634
 635         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 636         fake variables for restrict-qualified pointers whose pointed-to type
 637         contains a placeholder.
 638
 639 2012-01-23  Richard Guenther  <rguenther@suse.de>
 640
 641         PR tree-optimization/51949
 642         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 643
 644 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 645
 646         PR rtl-optimization/51933
 647         * ree.c (transform_ifelse): Return true right away if dstreg is
 648         already wider or equal to cand->mode.
 649         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 650         (make_defs_and_copies_lists): Remove defs_list and copies_list
 651         arguments, add state argument, just truncate state->work_list
 652         instead of always allocating and freeing the vector.  Assert that
 653         get_defs succeeds instead of returning 2.  Changed return type to bool.
 654         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 655         have ext_src_mode, see if it has been modified already with the
 656         right kind of extension and has been extended before from the
 657         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 658         just return true.  Remember the original mode in state->modified array.
 659         (combine_reaching_defs): Add state argument.  Don't allocate and
 660         free here def_list, copied_list and vec vectors, instead just
 661         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 662         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 663         Add state variable, clear vectors in it, initialize state.modified
 664         if needed.  Free all the vectors at the end and state.modified too.
 665         Don't skip a candidate if the extension expression has been modified.
 666
 667 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 668
 669         PR target/47096
 670         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 671          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 672         (extra_options) interix.opt -> i386/interix.opt"
 673         (extra_objs):Add winnt-stubs.o
 674         * configure.ac: Add interix to target_os .comm on PE check.
 675         * configure: Regenerate.
 676         * config/interix3.h: Delete and move bits to..
 677         * config/interix.h: Delete and move bits to..
 678         * config/i386/i386-interix3.h: Delete and move bits to..
 679         * config/i386/i386-interix.h: ..here.
 680         (TARGET_CPU_DEFAULT): Remove redefinition.
 681         (TARGET_ASM_CONSTRUCTOR): Undefine.
 682         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 683         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 684         (PTRDIFF_TYPE): Define.
 685         (LONG_DOUBLE_TYPE_SIZE): Define.
 686         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 687         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 688         (TARGET_SECTION_TYPE_FLAGS): Define.
 689         (ASM_DECLARE_FUNCTION_NAME): Define.
 690         (ASM_OUTPUT_EXTERNAL): Define.
 691         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 692         (ASM_OUTPUT_ALIGNED_BSS): Define.
 693         (PCC_BITFIELD_TYPE_MATTERS): Define.
 694         (USE_CONST_SECTION): Define.
 695         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 696         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 697         (SUPPORTS_ONE_ONLY): Remove.
 698         (I386_PE_STRIP_ENCODING): Define.
 699         * config/interix.opt: Delete and move bits to..
 700         * config/i386/interix.opt: ..here. New.
 701         (mpe-aligned-commons): Add.
 702         * config/i386/t-interix: Add copyright header.
 703         (winnt-stubs.o): Add rule.
 704
 705 2012-01-22  Jason Merrill  <jason@redhat.com>
 706
 707         PR c++/51832
 708         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 709         for extra name aliases.
 710
 711 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 712
 713         PR rtl-optimization/51924
 714         * ree.c (combine_set_extension): Improve debugging message.
 715         (combine_reaching_defs): Likewise.
 716         (get_defs): Rename confusingly named variable.
 717         (find_and_remove_re): Skip a candidate if the extension expression has
 718         been modified.
 719
 720 2012-01-21  Robert Millan  <rmh@gnu.org>
 721             Gerald Pfeifer  <gerald@pfeifer.com>
 722
 723         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 724         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 725
 726 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 727
 728         PR tree-optimization/51914
 729         * tree-vect-stmts.c (vectorizable_conversion): For
 730         cvt_type && modifier == WIDEN, put temporary with cvt_type
 731         at the beginning of vec_dsts and set vec_dest to temporary
 732         with vectype_out.
 733
 734 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 735
 736         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 737
 738 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 739
 740         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 741         * config/rs6000/rs6000.c: Likewise.
 742
 743 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 744
 745         PR target/51915
 746         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 747         output_move_double on a copy of operands array.
 748
 749 2012-01-20  Cary Coutant  <ccoutant@google.com>
 750             Dodji Seketeli  <dodji@redhat.com>
 751
 752         PR debug/45682
 753         * dwarf2out.c (copy_declaration_context): Return ref to parent
 754         of declaration DIE, if necessary.
 755         (remove_child_or_replace_with_skeleton): Add new parameter; update
 756         caller.  Place skeleton DIE under parent DIE of original declaration.
 757         Move call to copy_declaration_context to here ...
 758         (break_out_comdat_types): ... from here.
 759
 760 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 761
 762         PR rtl-optimization/51856
 763         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 764         flag to reloaded.
 765
 766 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 767
 768         PR target/51819
 769         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 770         hints for neon loads and stores.
 771
 772 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 773
 774         PR target/49868
 775         PR target/50887
 776         * doc/extend.texi (Named Address Spaces): Split into subsections.
 777         (AVR Named Address Spaces): New subsection.
 778         (M32C Named Address Spaces): New subsection.
 779         (RL78 Named Address Spaces): New subsection.
 780         (SPU Named Address Spaces): New subsection.
 781         (Variable Attributes): New anchor "AVR Variable Attributes".
 782         (AVR Variable Attributes): Rewrite and avoid wording
 783         "address space" in this context.
 784         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 785         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 786         (AVR Built-in Macros): New subsubsection therein.
 787         * doc/md.texi (AVR constraints): Remove "C04", "R".
 788
 789 2012-01-20  Richard Guenther  <rguenther@suse.de>
 790
 791         PR tree-optimization/51903
 792         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 793         when removing stmts.
 794
 795 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 796
 797         PR target/50313
 798         * config/arm/arm.c (arm_load_pic_register): Use
 799         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 800         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 801         (arm_pic_static_addr): Likewise.
 802         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 803         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 804         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 805         (pic_load_addr_unified): New.
 806
 807 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 808
 809         PR target/51106
 810         * function.c (instantiate_virtual_regs_in_insn): Use
 811         delete_insn_and_edges when removing a wrong asm insn.
 812
 813 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 814
 815         PR rtl-optimization/40761
 816         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 817         Add new member loop_num.
 818         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 819         (ira_build): Remove the parameter.
 820
 821         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 822         (ira.c): Do not build CFG loops for one region allocation.  Remove
 823         argument from ira_build call.
 824
 825         * ira-build.c (init_loop_tree_node): New function.
 826         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 827         loops are not built.
 828         (more_one_region_p): Check current_loops.
 829         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 830         built.
 831         (add_loop_to_tree): Process loop equal to NULL too.
 832         (form_loop_tree): Separate the case when CFG loops are not built.
 833         Use explicitly number for the root.
 834         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 835         an assertion.
 836         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 837         instead of loop->num.
 838         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 839         (mark_all_loops_for_removal): Ditto.
 840         (remove_unnecessary_regions): Separate the case when CFG loops
 841         are not built.
 842         (ira_build): Remove the parameter.  Use explicit number of regions
 843         when CFG loops are not built.
 844
 845         * ira-color.c (print_loop_title): Separate the case for the root node.
 846         Use loop_num instead of loop->num.
 847         (move_spill_restore): Use loop_num instead of loop->num.
 848
 849         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 850         (change_loop): Ditto.
 851         (change_loop): Use loop_num instead of loop->num.
 852
 853         * ira-lives.c (process_bb_node_lives): Ditto.
 854
 855         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 856
 857         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 858
 859 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 860
 861         PR libmudflap/40778
 862         * tree-mudflap.c (mf_artificial): New function.
 863         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 864         mx_register_decls, mudflap_enqueue_decl): Use it.
 865
 866         PR target/51876
 867         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 868         numbers in the insn pattern.
 869
 870 2012-01-19  Michael Matz  <matz@suse.de>
 871
 872         PR tree-optimization/46590
 873         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 874         use it in remembering which conflicts we already created.
 875         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 876         bitmap.
 877
 878 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 879
 880         PR lto/51280
 881         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 882         (merge_and_complain): Same.
 883
 884 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 885
 886         PR bootstrap/50237
 887         * config/initfini-array.h: Guard content of the header
 888         with #ifdef HAVE_INITFINI_ARRAY.
 889         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 890         Add initfini-array.h to tm_file here.
 891         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 892         * config.gcc: Don't add initfini-array.h to tm_file here.
 893         * configure: Regenerated.
 894
 895 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 896
 897         PR rtl-optimization/51505
 898         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 899         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 900         (df_note_bb_compute): Update the call to df_kill_notes.
 901
 902 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 903
 904         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 905
 906 2012-01-18  Richard Guenther  <rguenther@suse.de>
 907
 908         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 909         of conversions to void *.
 910
 911 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 912             Richard Sandiford  <rdsandiford@googlemail.com>
 913
 914         PR middle-end/50325
 915         PR middle-end/51192
 916         * optabs.h (simplify_expand_binop): Declare.
 917         * optabs.c (simplify_expand_binop): Make global.
 918         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 919         endian targets if the source cannot be exactly covered by word
 920         mode chunks.
 921
 922 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 923
 924         PR bootstrap/51872
 925         * hard-reg-set.h (struct hard_reg_set_container): New type.
 926         * target.h (struct hard_reg_set_container): Forward declare.
 927         * target.def (set_up_by_prologue): New target hook.
 928         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 929         * doc/tm.texi: Regenerated.
 930         * function.c (thread_prologue_and_epilogue_insns): Change
 931         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 932         Call targetm.set_up_by_prologue on it.
 933         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 934         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 935
 936 2012-01-17  Nick Clifton  <nickc@redhat.com>
 937
 938         * config/rx/rx.c (rx_can_use_simple_return): New function.
 939         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 940         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 941
 942 2012-01-17  Richard Guenther  <rguenther@suse.de>
 943
 944         PR middle-end/51782
 945         * expr.c (expand_assignment): Take address-space information
 946         from the address operand of MEM_REF and TARGET_MEM_REF.
 947         (expand_expr_real_1): Likewise.
 948
 949 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 950
 951         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 952         reload dump is requested.
 953
 954 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 955
 956         PR other/51165
 957         * trans-mem.c (requires_barrier): Call may_be_aliased.
 958
 959 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 960
 961         PR tree-optimization/51877
 962         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 963         call arguments and fndecls compare equal, instead return false if they
 964         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 965         both SSA_NAMEs that are valueized the same, or they satisfy
 966         operand_equal_p.
 967
 968 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 969
 970         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 971         Solaris 11+.
 972         * configure: Regenerate.
 973
 974 2012-01-16  Jan Hubicka  <jh@suse.cz>
 975
 976         PR c/12245
 977         PR c++/14179
 978         * convert.c (convert_to_integer): Use fold_convert for
 979         converting an INTEGER_CST to integer type.
 980
 981 2012-01-16  Jason Merrill  <jason@redhat.com>
 982
 983         PR c++/14179
 984         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 985
 986 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 987
 988         PR bootstrap/51860
 989         * config/s390/s390.c (s390_chunkify_start): Don't skip
 990         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 991         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 992         If insn is followed by NOTE_INSN_VAR_LOCATION or
 993         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 994         Don't use location of note insns.
 995
 996         PR tree-optimization/51865
 997         * tree-inline.c (tree_function_versioning): Call remap_decl
 998         on DECL_RESULT whenever it has VOID_TYPE_P type.
 999
1000 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1001
1002         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1003         for calls to locally-binding MIPS16 functions if only the return
1004         type uses float regs.
1005
1006 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1007             Richard Sandiford  <rdsandiford@googlemail.com>
1008
1009         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1010         (SYMBOL_32_HIGH): Likewise.
1011         (mips_output_tls_reloc_directive): Declare.
1012         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1013         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1014         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1015         (mips_lo_relocs, mips_hi_relocs): Make extern.
1016         (mips16_stub_function): Move up file.
1017         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1018         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1019         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1020         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1021         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1022         (mips_get_tp): Add MIPS16 support.
1023         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1024         Generalize DTPREL and TPREL handling.
1025         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1026         Add MIPS16 TLS support.
1027         (mips_output_tls_reloc_directive): New function.
1028         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1029         * config/mips/predicates.md (symbolic_operand_with_high)
1030         (tls_reloc_operand): New predicates.
1031         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1032         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1033         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1034         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1035         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1036         (*tls_get_tp_mips16_call_<mode>): Likewise.
1037
1038 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1039
1040         PR rtl-optimization/51821
1041         * recog.c (peep2_find_free_register): Determine clobbered registers
1042         from insn pattern.
1043
1044 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1045
1046         PR target/50925
1047         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1048         * config/avr/avr.c: Likewise.
1049         * config/avr/avr.h: Likewise.
1050
1051 2012-01-13  Ian Lance Taylor  <iant@google.com>
1052
1053         PR c++/50012
1054         * tree.h (TYPE_QUALS): Add cast to int.
1055         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1056
1057 2012-01-13  Ian Lance Taylor  <iant@google.com>
1058
1059         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1060         comparing param_index to VEC_length result.
1061
1062 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1063
1064         * c-decl.c: Do not include tree-mudflap.h
1065         * tree-optimize.c: Likewise.
1066         * Makefile.in: Update dependencies.
1067
1068 2012-01-13  Richard Guenther  <rguenther@suse.de>
1069
1070         PR middle-end/8081
1071         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1072         variable-sized result always use RSO.
1073
1074 2012-01-12  DJ Delorie  <dj@redhat.com>
1075
1076         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1077         pointer type, not just the default pointer type.
1078
1079 2012-01-09  Richard Henderson  <rth@redhat.com>
1080             Denis Chertykov  <chertykov@gmail.com>
1081
1082         PR target/50925
1083         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1084         * config/avr/avr.c (avr_can_eliminate): Simplify.
1085         (avr_initial_elimination_offset): Likewise.
1086         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1087         (expand_epilogue): Likewise.
1088         (avr_legitimize_address): Gut.
1089         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1090         (avr_hard_regno_nregs): New.
1091         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1092         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1093         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1094         add soft frame pointer.
1095         (CALL_USED_REGISTERS): Likewise.
1096         (REG_CLASS_CONTENTS): Likewise.
1097         (REGISTER_NAMES): Likewise.
1098         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1099         (HARD_FRAME_POINTER_REGNUM): New.
1100         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1101         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1102         remove the HARD_FRAME_POINTER self-elimination.
1103
1104 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1105
1106         PR target/51756
1107         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1108         DECL_EXTERNAL when checking for initializers of progmem variables.
1109
1110 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1111
1112         PR tree-optimization/51799
1113         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1114         that the last operation is a type demotion.
1115
1116 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1117
1118         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1119         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1120
1121 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR bootstrap/51796
1124         * combine.c (distribute_notes): If i3 is a noreturn call,
1125         allow old_size to be equal to args_size and make sure the
1126         noreturn call gets REG_ARGS_SIZE note.
1127         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1128         on noreturn calls even when the delta is 0.
1129
1130 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1131
1132         * gcov.c (STRING_SIZE): Remove.
1133         (generate_results): Erase annotations for source files with no
1134         coverage information.
1135         (read_line): New.
1136         (output_lines): Use it.
1137
1138 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1139
1140         * gimple.h (gimplify_body): Remove first argument.
1141         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1142         pointer set here, instead just pass DATA to walk_tree.
1143         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1144         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1145         (unvisit_body): Likewise, but with unmark_visited.
1146         (gimplify_body): Remove BODY_P argument and adjust.
1147         (gimplify_function_tree): Adjust call to gimplify_body.
1148         * omp-low.c (finalize_task_copyfn): Likewise.
1149
1150 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1151
1152         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1153         (build_function_type_skip_args): Delete.
1154         * tree.c (build_function_type_skip_args): Make static and add
1155         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1156         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1157         pass it to build_function_type_skip_args.
1158         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1159         (tree_function_versioning): Likewise.
1160         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1161         build_function_decl_skip_args.
1162         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1163         and pass it to build_function_decl_skip_args/tree_function_versioning.
1164         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1165         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1166         * trans-mem.c (ipa_tm_create_version): Likewise.
1167         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1168         * tree-inline.c (declare_return_variable): Remove always-true test.
1169         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1170         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1171         * ipa-split.c (split_function): Skip the return value for the split
1172         part if it doesn't return.
1173
1174 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1175
1176         PR tree-optimization/49642
1177         * ipa-split.c (forbidden_dominators): New variable.
1178         (check_forbidden_calls): New function.
1179         (dominated_by_forbidden): Likewise.
1180         (consider_split): Check for forbidden dominators.
1181         (execute_split_functions): Initialize and free forbidden
1182         dominators info; call check_forbidden_calls.
1183
1184 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1185
1186         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1187
1188 2012-01-11  Nick Clifton  <nickc@redhat.com>
1189
1190         * config/rx/rx.md (return): Define pattern.
1191
1192 2012-01-11  Richard Guenther  <rguenther@suse.de>
1193
1194         * doc/extend.texi (malloc attribute): Adjust according to
1195         implementation.
1196
1197 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1198             Patrick Marlier  <patrick.marlier@gmail.com>
1199
1200         PR middle-end/51516
1201         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1202         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1203         (ipa_tm_note_irrevocable): Same.
1204         (ipa_tm_scan_irr_block): Same.
1205         (ipa_tm_decrement_clone_counts): Same.
1206         (ipa_tm_scan_irr_function): Same.
1207         (ipa_tm_create_version_alias): Same.
1208         (ipa_tm_create_version): Same.
1209         (ipa_tm_transform_calls_redirect): Same.
1210         (ipa_tm_transform_calls): Same.
1211         (ipa_tm_transform_transaction): Same.
1212         (ipa_tm_execute): Same.
1213
1214 2012-01-10  Richard Guenther  <rguenther@suse.de>
1215
1216         PR middle-end/51806
1217         * opts.c (common_handle_option): Handle -Werror.
1218
1219 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1220
1221         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1222         operand number.
1223
1224 2012-01-10  Jason Merrill  <jason@redhat.com>
1225
1226         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1227         information.
1228
1229 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1230
1231         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1232         supports R_386_TLS_GD_PLT reloc.
1233         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1234         supports R_386_TLS_LDM_PLT reloc.
1235         * configure: Regenerate.
1236         * config.in: Regenerate.
1237
1238 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1239
1240         PR target/49868
1241         Extend __pgmx semantics to linearize memory.
1242         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1243         determine if code comes inline or from libgcc.
1244         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1245         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1246         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1247         (movmemx_qi, movmemx_hi): New insns.
1248         (xload_<mode>_libgcc): Rewrite to new insn condition.
1249         (xload_<mode>): Remove insns.
1250         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1251         cases that don't satisfy avr_xload_libgcc_p().
1252         (avr_addr_space_convert): Allow converting in any direction.
1253         (avr_addr_space_subset_p): Return always true.
1254         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1255         (avr_emit_movmemhi): Ditto.
1256         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1257         (avr_out_movmem): Ditto.
1258         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1259         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1260         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1261         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1262         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1263
1264 2012-01-10  Richard Guenther  <rguenther@suse.de>
1265
1266         PR tree-optimization/50913
1267         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1268         Require data-refs to be representable by Graphite with respect
1269         to any loop nest.
1270
1271 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1272
1273         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1274         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1275
1276 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1277
1278         PR rtl-optimization/51271
1279         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1280         handling annulled branch.
1281
1282 2012-01-10  Richard Henderson  <rth@redhat.com>
1283
1284         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1285         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1286         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1287         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1288         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1289         arm_expand_vec_perm_const): New.
1290         * config/arm/arm-protos.h: Update.
1291         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1292         (*neon_vswp<VDQX>): New.
1293         (neon_vcombine<VDX>): Use neon_split_vcombine.
1294         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1295         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1296         (vec_perm<VE>): New.
1297
1298 2012-01-10  Richard Henderson  <rth@redhat.com>
1299
1300         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1301         use it if reload_completed.
1302         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1303         arm_output_asm_insn, arm_process_output_memory_barrier,
1304         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1305         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1306         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1307         arm_process_output_sync_insn, arm_output_sync_insn,
1308         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1309         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1310         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1311         (emit_unlikely_jump): New.
1312         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1313         (arm_split_atomic_op): New.
1314         * config/arm/arm-protos.h: Update.
1315         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1316         (struct arm_sync_generator): Remove.
1317         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1318         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1319         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1320         (VUNSPEC_LL, VUNSPEC_SC): New.
1321         (sync_result, sync_memory, sync_required_value, sync_new_value,
1322         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1323         (attr length): Don't use arm_sync_loop_insns.
1324         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1325         (movsfcc, movdfcc): Likewise.
1326         * config/arm/constraints.md (Ua): New.
1327         * config/arm/prediates.md (mem_noofs_operand): New.
1328         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1329         (sync_clobber, sync_t2_reqd): Remove.
1330         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1331         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1332         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1333         (arm_sync_compare_and_swap<SIDI>): Remove.
1334         (arm_sync_compare_and_swap<NARROW>): Remove.
1335         (arm_sync_lock_test_and_set<SIDI>): Remove.
1336         (arm_sync_lock_test_and_set<NARROW>): Remove.
1337         (arm_sync_new_<syncop><SIDI>): Remove.
1338         (arm_sync_new_<syncop><NARROW>): Remove.
1339         (arm_sync_new_nand<SIDI>): Remove.
1340         (arm_sync_new_nand<NARROW>): Remove.
1341         (arm_sync_old_<syncop><SIDI>): Remove.
1342         (arm_sync_old_<syncop><NARROW>): Remove.
1343         (arm_sync_old_nand<SIDI>): Remove.
1344         (arm_sync_old_nand<NARROW>): Remove.
1345         (*memory_barrier): Merge arm_output_memory_barrier.
1346         (atomic_compare_and_swap<QHSD>): New.
1347         (atomic_compare_and_swap<NARROW>_1): New.
1348         (atomic_compare_and_swap<SIDI>_1): New.
1349         (atomic_exchange<QHSD>): New.
1350         (cas_cmp_operand, cas_cmp_str): New.
1351         (atomic_op_operand, atomic_op_str): New.
1352         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1353         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1354         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1355         (arm_load_exclusive<NARROW>): New.
1356         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1357         (arm_store_exclusive<QHSD>): New.
1358
1359 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1360
1361         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1362         reload patterns if -mvsx-scalar-memory.
1363
1364         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1365         generated, even -mno-vsx-scalar-double was used.
1366         (vsx_xscvdpsp_scalar): Likewise.
1367         (vsx_xscvspdp_scalar2): Likewise.
1368
1369 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1370             Andrew Pinski  <apinski@cavium.com>
1371
1372         PR debug/51471
1373         * reorg.c (fill_slots_from_thread): Don't speculate
1374         frame-related insns.
1375
1376 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1377
1378         * sched-int.h (bb_note): Move to...
1379         * basic-block.h: ...here.
1380         * haifa-sched.c (bb_note): Move to...
1381         * cfgrtl.c: ...here.
1382         * function.c (next_block_for_reg): New function.
1383         (move_insn_for_shrink_wrap): Likewise.
1384         (prepare_shrink_wrap): Rewrite to use the above.
1385
1386 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1387
1388         * gimple.c (is_gimple_non_addressable): Remove.
1389         * gimple.h: Remove is_gimple_non_addressable.
1390         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1391         is_gimple_non_addressable.
1392         * trans-mem.c (expand_assign_tm): Same.
1393
1394 2012-01-09  Richard Guenther  <rguenther@suse.de>
1395
1396         PR tree-optimization/51775
1397         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1398         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1399
1400 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1401
1402         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1403         tuning parameters.
1404         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1405
1406 2012-01-09  Richard Guenther  <rguenther@suse.de>
1407
1408         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1409
1410 2012-01-08  Jan Hubicka  <jh@suse.cz>
1411
1412         PR tree-optimize/51680
1413         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1414         on when known_vals needs to be computed; cleanup.
1415
1416 2012-01-08  Jan Hubicka  <jh@suse.cz>
1417
1418         PR tree-optimize/51694
1419         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1420
1421 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1422
1423         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1424         for -std=c++98 and -std=c++11 too.
1425
1426 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1427
1428         * cfgloop.c (cancel_loop): Add free() of bbs array.
1429
1430 2012-01-07  Jan Hubicka  <jh@suse.cz>
1431
1432         PR tree-optimization/51600
1433         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1434         that benefits small functions.
1435
1436 2012-01-07  Jan Hubicka  <jh@suse.cz>
1437
1438         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1439
1440 2012-01-07  Jan Hubicka  <jh@suse.cz>
1441
1442         PR tree-optimization/51680
1443         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1444         whose inlining reduce unit size.
1445
1446 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1447
1448         PR bootstrap/51725
1449         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1450         Add canonical node to containing_mem chain after the non-canonical
1451         one, even if there weren't any locs to propagate.
1452         (remove_useless_values): Keep only canonical values.
1453         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1454         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1455         canonicalize mem_chain elements that are not discarded.
1456
1457 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR target/47333
1460         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1461         before emitting functions.
1462
1463         PR gcov-profile/50127
1464         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1465         clear_aux_for_blocks.
1466
1467 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1468
1469         PR debug/51746
1470         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1471
1472 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1473
1474         * c-decl.c (ext_block): Moved up.
1475         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1476
1477 2012-01-06  Han Shen  <shenhan@google.com>
1478
1479         Translate built-in include paths for sysroot.
1480         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1481         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1482
1483         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1484         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1485
1486         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1487         control whether sysroot should be prepended to gxx include dir.
1488
1489         * configure: Regenerate.
1490
1491 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1492
1493         PR rtl-optimization/51771
1494         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1495         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1496
1497 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1498
1499         PR tree-optimization/51315
1500         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1501         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1502
1503 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1504
1505         PR target/51681
1506         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1507         for shrp pattern.  Correctly handle and fixup shift variable.
1508         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1509
1510 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1511
1512         PR debug/51762
1513         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1514         note when !ACCUMULATE_OUTGOING_ARGS.
1515
1516 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1517
1518         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1519         condition.
1520         (extract_range_from_unary_expr_1): Avoid useless computations.
1521
1522 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR rtl-optimization/51767
1525         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1526         of jump_block and add an extra edge for degenerated asm gotos.
1527
1528         PR middle-end/51768
1529         * stmt.c (check_unique_operand_names): Don't ICE during error
1530         reporting if i is from labels chain.
1531
1532         PR middle-end/44777
1533         * profile.c (branch_prob): Split bbs that have exit edge
1534         and need a fake entry edge too.
1535
1536 2012-01-05  Jan Hubicka  <jh@suse.cz>
1537
1538         PR middle-end/49710
1539         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1540         unlooping loops.
1541
1542 2012-01-05  Richard Guenther  <rguenther@suse.de>
1543
1544         PR lto/50490
1545         * tree-streamer-out.c (write_ts_optimization): New function.
1546         (streamer_write_tree_body): Call it.
1547         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1548         (streamer_read_tree_body): Call it.
1549         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1550
1551 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1552
1553         PR middle-end/51761
1554         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1555         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1556         in_cleanup_point_expr before gimplify_stmt call and restore it
1557         afterwards.
1558         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1559         in_cleanup_point_expr is false.
1560
1561 2012-01-05  Richard Guenther  <rguenther@suse.de>
1562
1563         PR middle-end/51764
1564         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1565         to c.opt.
1566         * toplev.c (process_options): Reject combining mudflap and LTO.
1567         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1568
1569 2012-01-05  Richard Guenther  <rguenther@suse.de>
1570
1571         PR tree-optimization/51760
1572         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1573         not VARYING.
1574         (bit_value_unop): Handle UNDEFINED operands.
1575         (bit_value_binop): Likewise.
1576
1577 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1578
1579         * config/avr/avr.c (avr_replace_prefix): Remove.
1580         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1581         (avr_asm_function_rodata_section): Ditto.
1582         (avr_asm_select_section): Ditto.
1583
1584 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1585
1586         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1587         insertion.
1588
1589 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR bootstrap/51648
1592         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1593         calls that have any non-fake successor edges.
1594
1595         PR debug/51746
1596         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1597
1598 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1599
1600         PR tree-optimization/51624
1601         * tree-sra.c (build_ref_for_model): When replicating a chain of
1602         COMPONENT_REFs, stop as soon as the offset would become negative.
1603
1604 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR debug/51695
1607         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1608         in .debug_loc on the floor.
1609
1610 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1611
1612         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1613
1614 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1615             Adam Nemet  <anemet@caviumnetworks.com>
1616
1617         * config/mips/mips.md (size): Add SI and DI.
1618         (SIZE): New mode attribute.
1619         (U): New code attribute.
1620         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1621         (mips_lbux_<mode>): Delete.
1622         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1623         (mips_lhx): Use gen_mips_lhx_extsi.
1624         (mips_lhx_<mode>): Delete.
1625         (mips_lwx): Delete.
1626         (mips_l<size>x): New expand.
1627         (mips_lwx_<mode>): Delete.
1628         (mips_l<GPR:size>x_<P:mode>): New pattern.
1629         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1630         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1631         * config/mips/mips.c (mips_lx_address_p): New function.
1632         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1633         (dsp64): New availability predicate.
1634         (mips_builtins): Add an entry for __builtin_mips_ldx.
1635         * config/mips/mips.h (ISA_HAS_LBX): New define.
1636         (ISA_HAS_LBUX): Likewise.
1637         (ISA_HAS_LHX): Likewise.
1638         (ISA_HAS_LHUX): Likewise.
1639         (ISA_HAS_LWX): Likewise.
1640         (ISA_HAS_LWUX): Likewise.
1641         (ISA_HAS_LDX): Likewise.
1642         * doc/extend.texi (__builtin_mips_ldx): Document.
1643
1644 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1645
1646         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1647         when long pointers are used.
1648         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1649         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1650         (ia64-hp-*vms*): Remove.
1651         * config/vms/xm-vms64.h: Delete.
1652
1653 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1654
1655         PR middle-end/51472
1656         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1657
1658 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1659
1660         * opts.c (finish_options): Remove duplicate sorry.
1661
1662 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1663
1664         PR middle-end/51696
1665         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1666         correctly.
1667
1668 2012-01-04  Richard Guenther  <rguenther@suse.de>
1669
1670         PR middle-end/51750
1671         * tree.c (size_low_cst): New function.
1672         * tree.h (size_low_cst): Declare.
1673         * fold-const.c (fold_comparison): Use it to extract the low
1674         part of the POINTER_PLUS_EXPR offset.
1675
1676 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1677
1678         Fix clearing ZERO_REG
1679         * config/avr/avr.md (cc): Add alternative "ldi".
1680         (movqi_insn): Use it in cc attribute.
1681         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1682         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1683         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1684
1685 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1686
1687         * configure: Regenerate.
1688
1689 2012-01-04  Richard Guenther  <rguenther@suse.de>
1690
1691         PR tree-optimization/49651
1692         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1693         (var_can_have_subvars): Use it.
1694         (get_constraint_for_1): Only consider subfields if there can be any.
1695
1696 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR bootstrap/51725
1699         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1700         to its new canonical_cselib_val and the cselib_val was in
1701         first_containing_mem chain, but the canonical_cselib_val was not,
1702         add the latter into the chain.
1703         (cselib_invalidate_mem): Compare canonical_cselib_val of
1704         addr_list chain elt with v.
1705
1706         PR pch/51722
1707         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1708         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1709         of xstrdup.
1710         (output_macinfo_op): Don't ggc_strdup fd->filename.
1711         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1712         then ggc_strdup it.  Don't free inc->info or cur->info.
1713         (output_macinfo): Don't free ref->info or file->info.
1714
1715 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1716
1717         PR tree-optimization/51269
1718         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1719         first_niters a pointer.
1720         (slpeel_tree_peel_loop_to_edge): Likewise.
1721         (vect_do_peeling_for_loop_bound): Update call to
1722         slpeel_tree_peel_loop_to_edge.
1723         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1724         here.  Remove it from the parameters list.
1725         (vect_do_peeling_for_alignment): Update calls and compute
1726         wide_prolog_niters.
1727
1728 2012-01-03  Richard Guenther  <rguenther@suse.de>
1729
1730         PR tree-optimization/51070
1731         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1732         Properly handle calls.
1733
1734 2012-01-03  Richard Guenther  <rguenther@suse.de>
1735
1736         PR tree-optimization/51692
1737         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1738         the LHS of allocation stmts.
1739
1740 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1741
1742         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1743
1744 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1745
1746         * collect2.c (main): In AIX specific computations for vector
1747         insertions, use CONST_CAST2 to cast from char ** to const char **.
1748
1749 2012-01-03  Richard Guenther  <rguenther@suse.de>
1750
1751         PR debug/51650
1752         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1753         the context of a limbo DIE when it does not already exist.
1754
1755 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1756
1757         PR tree-optimization/51719
1758         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1759         but direct call is, clear direct call's lhs and don't add fallthrough
1760         edge from dcall_bb to join_bb and PHIs.
1761
1762 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1763
1764         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1765         the instructions emitted by the pattern.
1766         ("*TDC_insn_<mode>"): Add comment.
1767
1768 2012-01-03  Richard Guenther  <rguenther@suse.de>
1769
1770         PR middle-end/51730
1771         * fold-const.c (fold_comparison): Properly canonicalize
1772         tree offset and HOST_WIDE_INT bit position.
1773
1774 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1777         operands for extzv pattern.
1778
1779 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR bootstrap/51725
1782         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1783         on mem_elt first.
1784
1785 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1786
1787         * doc/invoke.texi (-flto and related options): Copy-edit.
1788
1789 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1790
1791         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1792
1793 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1794
1795         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1796         New patterns.
1797
1798 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1799
1800         * expr.h (move_by_pieces_ninsns): Declare.
1801         * expr.c (move_by_pieces_ninsns): Make external.
1802         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1803         (mips_store_by_pieces_p): Likewise.
1804         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1805         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1806         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1807         (mips_store_by_pieces_p): Likewise.
1808
1809 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1810
1811         * passes.c (register_one_dump_file): Free full_name.
1812
1813         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1814         (calculate_elim_costs_all_insns): Free offsets_at and
1815         offsets_known_at at the end and clear the pointers.
1816
1817 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1818
1819         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1820         this option introduced in r180739.
1821
1822 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1823
1824         PR target/51345
1825         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1826         (tmake_file target=avr): Add avr/t-multilib.
1827
1828         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1829         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1830         * config/avr/genmultilib.awk: New file.
1831         * config/avr/t-multilib: New auto-generated file.
1832         * config/avr/multilib.h: New auto-generated file.
1833         * config/avr/t-avr (AVR_MCUS): New variable.
1834         (genopt.sh): Use it.
1835         (s-mlib): Depend on t-multilib.
1836         (t-multilib, multilib.h): New dependencies.
1837         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1838         (MULTILIB_OPTIONS): Remove.
1839         (MULTILIB_MATCHES): Remove.
1840         (MULTILIB_DIRNAMES): Remove.
1841         (MULTILIB_EXCEPTIONS): Remove:
1842         * config/avr/genopt.sh: Don't use hard coded file name;
1843         pass AVR_MCUS from t-avr instead.
1844
1845 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1846
1847         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1848
1849 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1850
1851         Implement light-weight DImode support.
1852         * config/avr/avr-dimode.md: New file.
1853         * config/avr/avr.md: Include it.
1854         (adjust_len): Add plus64, compare64.
1855         (HIDI): Remove code iterator.
1856         (code_stdname): New code attribute.
1857         (rotx, rotsmode): Remove DI.
1858         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1859         as code iterator.
1860         * config/avr/avr-protos.h (avr_have_dimode): New.
1861         (avr_out_plus64, avr_out_compare64): New.
1862         * config/avr/avr.c (avr_out_compare): Handle DImode.
1863         (avr_have_dimode): New variable definition and initialization.
1864         (avr_out_compare64, avr_out_plus64): New functions.
1865         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1866         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1867         (avr_compare_pattern): Skip DImode comparisons.
1868
1869 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1870
1871         * ddg.c (def_has_ccmode_p): New function.
1872         (add_cross_iteration_register_deps,
1873         create_ddg_dep_from_intra_loop_link): Call it.
1874
1875 2012-01-02  Richard Guenther  <rguenther@suse.de>
1876
1877         PR other/51679
1878         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1879
1880 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1881
1882         * gcc.c (process_command): Update copyright notice dates.
1883         * gcov.c (print_version): Likewise.
1884         * gcov-dump.c (print_version): Likewise.
1885         * mips-tfile.c (main): Likewise.
1886         * mips-tdump.c (main): Likewise.
1887
1888 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1889
1890         PR tree-optimization/51704
1891         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1892         a use is inside the basic block or loop before accessing its vect info.
1893
1894 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1895
1896         PR rtl-optimization/51069
1897         * cfgloopmanip.c (remove_path): Removing path making irreducible
1898         region unconditional makes BB part of the region.
1899
1900 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1901
1902         PR tree-optimization/51683
1903         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1904         calls with side-effects.
1905         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1906 \f
1907 Copyright (C) 2012 Free Software Foundation, Inc.
1908
1909 Copying and distribution of this file, with or without modification,
1910 are permitted in any medium without royalty provided the copyright
1911 notice and this notice are preserved.