gcc/ChangeLog

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