gcc/ChangeLog

   1 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
   2
   3         PR rtl-optimization/49800
   4         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
   5         (sched_finish): Call regstat_free_n_sets_and_refs.
   6
   7 2012-02-02  Jia Liu  <proljc@gmail.com>
   8
   9         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
  10         than operand 2.
  11
  12 2012-02-02 Jan Hubicka  <jh@suse.cz>
  13            Tom de Vries  <tom@codesourcery.com>
  14
  15         PR middle-end/51998
  16         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
  17         * varpool.c (varpool_analyze_pending_decls): Likewise.
  18
  19 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
  20             Jayant R Sonar <jayant.sonar@kpitcummins.com>
  21
  22         * config.gcc: Add cr16-* support.
  23
  24         * doc/extend.texi: Document cr16 extensions.
  25         * doc/install.texi: Document cr16 install.
  26         * doc/invoke.texi: Document cr16 options.
  27         * doc/md.texi: Document cr16 constraints.
  28
  29         * common/config/cr16/cr16-common.c: New file.
  30         * config/cr16/cr16.c: New file.
  31         * config/cr16/cr16.h: New file.
  32         * config/cr16/cr16.md: New file.
  33         * config/cr16/cr16.opt: New file.
  34         * config/cr16/cr16-protos.h: New file.
  35         * config/cr16/predicates.md: New file.
  36         * config/cr16/constraints.md: New file.
  37         * config/cr16/t-cr16: New file.
  38
  39 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
  40
  41         PR target/52086
  42         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
  43         that operands[2] is either immediate, or q_regs_operand.
  44
  45         PR tree-optimization/52073
  46         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
  47         a pattern stmt for pattern uses, ignore uses outside of the loop.
  48
  49 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
  50
  51         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
  52         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
  53         (OUT_AS1, OUT_AS2): Remove.
  54
  55 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
  56
  57         PR rtl-optimization/51374
  58         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
  59         to cross other volatile_refs_p insns.
  60
  61 2012-02-01  Richard Guenther  <rguenther@suse.de>
  62
  63         * doc/invoke.texi (fno-inline): Clarify documentation.
  64         (finline-small-functions): Likewise.
  65         (finline-functions): Likewise.
  66         * common.opt (finline): Adjust comment and documentation.
  67         (finline-small-functions): Clarify documentation.
  68         (finline-functions): Likewise.
  69         (finline-functions-called-once): Likewise.
  70
  71 2012-02-01  Tristan Gingold  <gingold@adacore.com>
  72
  73         * c-typeck.c (composite_type): Keep mode for pointers.
  74
  75 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
  76
  77         * function.h (regno_reg_rtx): Adjust comment.
  78         * reginfo.c (init_reg_modes_target): Only use the previous mode
  79         if it fits within one register.  Remove MIPS comment.
  80
  81 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  82
  83         PR bootstrap/52058
  84         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
  85
  86 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  87
  88         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
  89         to srak instruction.
  90
  91 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  92
  93         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
  94         condition.
  95
  96 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR bootstrap/52041
  99         PR bootstrap/52039
 100         PR target/51974
 101         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 102
 103 2012-01-31  Richard Guenther  <rguenther@suse.de>
 104
 105         PR tree-optimization/51528
 106         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 107         assigns.
 108
 109 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 110
 111         PR bootstrap/52041
 112         PR bootstrap/52039
 113         PR target/51974
 114         * ree.c (add_removable_extension): Change def_map argument
 115         to unsigned *, store in def_map 1 + offset into *insn_list vector
 116         instead of pointers into the vector.
 117         (find_removable_extensions): Adjust caller.
 118
 119 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 120
 121         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 122         Transform all "* quoted-c-code" to { c-code }.
 123         Remove redundant test for "optimize" in combine patterns.
 124         Move (include "avr-dimode.md") to end of file.
 125
 126 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 127
 128         PR target/51835
 129         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 130         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 131
 132 2012-01-30  Richard Guenther  <rguenther@suse.de>
 133
 134         PR tree-optimization/52028
 135         * tree-loop-distribution.c (ldist_gen): Properly update
 136         virtual SSA form.
 137
 138 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 139
 140         PR debug/52027
 141         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 142         set_cur_line_info_table if not emitting debug info.
 143
 144         PR tree-optimization/52046
 145         * tree-vect-patterns.c (check_bool_pattern): Give up if
 146         a comparison could throw.
 147
 148         PR debug/52048
 149         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 150
 151 2012-01-30  Richard Guenther  <rguenther@suse.de>
 152
 153         PR tree-optimization/52045
 154         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 155         SSA form if cfgcleanup did anything.
 156
 157 2012-01-30  Richard Guenther  <rguenther@suse.de>
 158
 159         PR tree-optimization/52045
 160         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 161         before computing final todo.
 162
 163 2012-01-30  Richard Guenther  <rguenther@suse.de>
 164
 165         PR tree-optimization/51528
 166         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 167         for PR51528 fix.
 168
 169 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 170
 171         * df-problems.c (df_kill_notes): Check that the use refers
 172         to the note under examination.
 173
 174 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 175
 176         PR target/51920
 177         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 178         parameter and use short-lived pseudos.
 179         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 180         (sparc_expand_vector_init): Const-ify local variables and adjust
 181         calls to above functions.
 182
 183 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 184
 185         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 186
 187 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 188
 189         * doc/invoke.texi: Make usage of "compile time" and
 190         "run time"/"runtime" consistent throughout the file.
 191
 192 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 193
 194         * config/alpha/alpha.c (alpha_option_overrride): Default to
 195         full IEEE compliance mode for Go language.
 196
 197 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 198
 199         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 200         (LINK_SSP_SPEC): Define.
 201
 202 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 203
 204         PR target/51871
 205         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 206         stubs.
 207
 208 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 209
 210         * doc/invoke.texi: Correct hyphenation of "floating point",
 211         "double precision", and related terminology throughout the file.
 212
 213 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 214
 215         PR target/52006
 216         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 217         arm_general_register_operand predicate for operand 2 instead of
 218         register_operand.
 219
 220 2012-01-27  Ian Lance Taylor  <iant@google.com>
 221
 222         PR go/47656
 223         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 224         * builtins.c (expand_builtin_init_trampoline): Add onstack
 225         parameter.  Change caller.
 226         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 227         * tree.c (build_common_builtin_nodes): Declare
 228         __builtin_init_heap_trampoline.
 229
 230 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 231
 232         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 233         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 234         * config/avr/avr.c: Ditto.
 235         (avr_regnames): Remove because unused.
 236         * config/avr/avr.md (*cpse.ne): New peephole.
 237         (*cpse.eq): New peephole from former cpse peepholes.
 238
 239 2012-01-27  Michael Eager  <eager@eagercon.com>
 240
 241         * config/microblaze.c (microblaze_emit_compare): Correct
 242         test after pcmp instruction.
 243
 244 2012-01-27  Richard Guenther  <rguenther@suse.de>
 245
 246         PR tree-optimization/52020
 247         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 248
 249 2012-01-27  Richard Guenther  <rguenther@suse.de>
 250
 251         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 252         function non-const/pure.
 253
 254 2012-01-27  Richard Guenther  <rguenther@suse.de>
 255
 256         PR tree-optimization/50444
 257         * tree-sra.c (build_ref_for_offset): Properly adjust the
 258         MEM_REF type for unaligned accesses.
 259
 260 2012-01-27  Richard Guenther  <rguenther@suse.de>
 261
 262         PR tree-optimization/50444
 263         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 264         (expand_assignment): Use it.  Properly handle misaligned
 265         bases when expanding stores to component references.
 266         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 267         refactor that case.
 268
 269 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 270
 271         PR middle-end/51389
 272         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 273         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 274         * tree-data-ref.c (find_data_references_in_loop): Make static.
 275         (compute_all_dependences): Change return type to bool.  Bail out
 276         for too many datarefs in a loop.  Move the hunk resetting the data
 277         dependences vector from ...
 278         (compute_data_dependences_for_loop): ... here.  Account for
 279         compute_all_dependences returning false.
 280         (compute_data_dependences_for_bb): Likewise.
 281         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 282         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 283
 284 2012-01-27  Richard Guenther  <rguenther@suse.de>
 285
 286         PR middle-end/51959
 287         * expr.c (store_field): Use the alias-set of the scratch memory
 288         for storing to it.
 289
 290 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 291
 292         PR tree-optimization/51990
 293         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 294         WITH_SIZE_EXPR.
 295         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 296
 297 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 298
 299         PR debug/52001
 300         * var-tracking.c (reverse_op): Don't add any reverse operation
 301         if V already has any constant locations.
 302
 303 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 304
 305         * doc/invoke.texi: Correct usage of "command line" (noun)
 306         vs "command-line" (adjective) throughout.
 307
 308 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 309
 310         * doc/invoke.texi (Language Independent Options): Move
 311         -Wcoverage-mismatch blurb from here....
 312         (Warning Options): ...to here.
 313
 314 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 315
 316         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 317         Set rs6000_always_hint to false for 476.
 318
 319 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 320
 321         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 322           system root.
 323         * incpath.c (add_standard_paths): Likewise.
 324
 325 2012-01-27  Richard Henderson  <rth@redhat.com>
 326
 327         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 328         * config/m68k/sync.md (atomic_test_and_set): Rename from
 329         sync_test_and_setqi and adjust the operands.
 330         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 331         and unconditionally enable.
 332
 333 2012-01-27  Richard Henderson  <rth@redhat.com>
 334
 335         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 336         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 337         (ldstub): Rename from ldstubqi.
 338         (ldstub<I24MODE>): Remove.
 339
 340 2012-01-27  Richard Henderson  <rth@redhat.com>
 341
 342         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 343         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 344         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 345         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 346         * doc/tm.texi: Rebuild.
 347
 348 2012-01-27  Richard Henderson  <rth@redhat.com>
 349
 350         * optabs.c (gen_atomic_test_and_set): Remove default.
 351         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 352
 353 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 354
 355         PR rtl-optimization/51978
 356         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 357         (combine_reaching_defs): Likewise.
 358         (struct re_info): Remove.
 359         (add_removable_extension): Remove x and data arguments,
 360         add insn, insn_list and def_map.  Use the arguments directly
 361         instead of using struct re_info.
 362         (find_removable_extensions): Don't call add_removable_extension
 363         through note_stores, instead just call it with single_set
 364         result if non-NULL.
 365         (find_and_remove_re): Pass curr_cand->expr instead of
 366         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 367
 368 2012-01-26  Michael Matz  <matz@suse.de>
 369
 370         PR tree-optimization/46590
 371         * cfgexpand.c: Revert last change (r183305).
 372         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 373         regs.
 374         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 375         checking for emptiness.
 376
 377 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 378
 379         PR middle-end/51895
 380         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 381         non-addressable non-BLKmode base correctly.
 382
 383 2012-01-26  Michael Matz  <matz@suse.de>
 384
 385         PR tree-optimization/48794
 386         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 387         regions referenced from RESX/EH_DISPATCH.
 388
 389 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 390
 391         * config/s390/s390.h: Make BRANCH_COST an option.
 392         * config/s390/s390.opt: New option -mbranch-cost.
 393
 394 2012-01-26  Richard Henderson  <rth@redhat.com>
 395
 396         Revert 2012-01-24 change:
 397         * trans-mem.c (requires_barrier): Do not instrument thread local
 398         variables and emit save/restore for them.
 399
 400 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 401
 402         PR middle-end/51986
 403         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 404         for pat == 0.
 405
 406 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 407
 408         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 409         ASM_OPERANDS.
 410
 411 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 412
 413         PR target/49868
 414         Rename __pgm to __flash.
 415         Rename __pgm1 to __flash1.
 416         Rename __pgm2 to __flash2.
 417         Rename __pgm3 to __flash3.
 418         Rename __pgm4 to __flash4.
 419         Rename __pgm5 to __flash5.
 420         Rename __pgmx to __memx.
 421         * doc/extend.texi (AVR Named Address Spaces)
 422         Rename address space names as indicated above.
 423         * config/avr/avr.c (avr_addrspace): Ditto.
 424
 425         * config/avr/avr-protos.h
 426         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 427         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 428         * config/avr/predicates.md: Ditto.
 429         * config/avr/avr.c Ditto, and
 430         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 431         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 432
 433         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 434         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 435         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 436         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 437         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 438         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 439         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 440         * config/avr/avr.c: Ditto.
 441         * config/avr/avr.md: Ditto.
 442
 443 2012-01-25  Jason Merrill  <jason@redhat.com>
 444
 445         PR c++/51992
 446         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 447
 448 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 449
 450         PR tree-optimization/51987
 451         * tree-data-ref.c (get_references_in_stmt): Handle references in
 452         non-volatile GIMPLE_ASM.
 453
 454 2012-01-25  Richard Guenther  <rguenther@suse.de>
 455
 456         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 457         bases are dereferenced.
 458
 459 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 460
 461         PR rtl-optimization/48374
 462         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 463
 464 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 465
 466         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 467         compute_data_dependences_for_loop returns false.
 468         * tree-parloops.c (loop_parallel_p): Likewise.
 469
 470 2012-01-25  Richard Guenther  <rguenther@suse.de>
 471
 472         * tree.h (get_pointer_alignment_1): Declare.
 473         * builtins.c (get_pointer_alignment_1): New function.
 474         (get_pointer_alignment): Use it.
 475
 476 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 477
 478         PR rtl-optimization/48308
 479         * combine.c (enum undo_kind): Add UNDO_LINKS.
 480         (struct undo): Add member l to other_contents and where.
 481         (do_SUBST_LINK): New.
 482         (SUBST_LINK): New.
 483         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 484         (undo_all): Handle UNDO_LINKS.
 485
 486 2012-01-25  Richard Henderson  <rth@redhat.com>
 487
 488         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 489         mem inputs.
 490
 491 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 492
 493         * optabs.c (gen_atomic_test_and_set): Use each argument.
 494
 495 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 496
 497         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 498         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 499         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 500         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 501         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 502         TARGET_PAIRED_SINGLE_FLOAT.
 503
 504 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 505
 506         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 507         (in_struct, return_val): Remove MEM documentation.
 508         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 509         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 510         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 511         and MEM_SCALAR.
 512         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 513         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 514         * expr.c (store_field): Likewise.
 515         * function.c (assign_stack_temp_for_type): Likewise.
 516         * ifcvt.c (noce_try_cmove_arith): Likewise.
 517         * reload1.c (reload): Likewise.
 518         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 519         (alpha_set_memflags): Likewise.
 520         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 521
 522 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 523
 524         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 525         parameter.
 526         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 527         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 528         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 529         varies parameter.
 530         * cselib.c (cselib_rtx_varies_p): Delete.
 531         (cselib_invalidate_mem): Update call to canon_true_dependence.
 532         * dse.c (record_store, check_mem_read_rtx): Likewise.
 533         (scan_reads_nospill): Likewise.
 534         * cse.c (check_dependence): Likewise.
 535         (cse_rtx_varies_p): Delete.
 536         * expr.c (safe_from_p): Update call to true_dependence.
 537         * ira.c (validate_equiv_mem_from_store): Likewise.
 538         (memref_referenced_p): Likewise.
 539         * postreload-gcse.c (find_mem_conflicts): Likewise.
 540         * sched-deps.c (sched_analyze_2): Likewise.
 541         * store-motion.c (load_kills_store): Likewise.
 542         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 543         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 544         (compute_transp): Update call to canon_true_dependence.
 545
 546 2012-01-25  Richard Henderson  <rth@redhat.com>
 547
 548         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 549         (maybe_emit_atomic_test_and_set): New.
 550         (expand_sync_lock_test_and_set): Use it.
 551         (expand_atomic_test_and_set): Likewise.
 552         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 553         the implementation; clarify implementation defined details.
 554         * doc/md.texi (atomic_test_and_set): Document.
 555
 556 2012-01-25  Richard Henderson  <rth@redhat.com>
 557
 558         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 559
 560 2012-01-25  Richard Henderson  <rth@redhat.com>
 561
 562         PR target/51968
 563         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 564         to effect no-op split.
 565
 566 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 567
 568         PR lto/51698
 569         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 570         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 571         (BT_FN_VOID_PTR_INT_SIZE): New.
 572         (BT_FN_UINT_UINT_VAR): Remove.
 573         (BT_FN_UINT32_UINT32_VAR): New.
 574         (BT_FN_DOUBLE_VPTR): Remove.
 575         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 576
 577         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 578         (_ITM_changeTransactionMode): Same.
 579         (_ITM_memmoveRtWt): Change return type to void.
 580         (_ITM_memcpyRtWt): Same.
 581         (_ITM_memsetW): Same.
 582         (_ITM_RaRD): Change types to double.
 583         (_ITM_RD): Same.
 584         (_ITM_RaWD): Same.
 585         (_ITM_RfWD): Same.
 586
 587         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 588
 589 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 590             Patrick Marlier  <patrick.marlier@gmail.com>
 591
 592         * trans-mem.c (requires_barrier): Do not instrument thread local
 593         variables and emit save/restore for them.
 594
 595 2012-01-24  Jason Merrill  <jason@redhat.com>
 596
 597         PR c++/51812
 598         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 599         output static aliases.
 600
 601 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 602
 603         PR driver/47249
 604         * common.opt (-pie, -shared, pie, shared): Change from Common to
 605         Driver.
 606         * gcc.c (display_help): Display help for -pie and -shared.
 607
 608 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 609
 610         PR target/49868
 611         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 612         Remove note on size/offset limitation.
 613         (AVR Variable Attributes): Add example how to read data located
 614         with progmem.  Refer to named address spaces.
 615         * doc/invoke.texi (AVR Options): Fix typo.
 616
 617 2012-01-24  Richard Guenther  <rguenther@suse.de>
 618
 619         Forward-port to trunk
 620         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 621
 622         PR middle-end/45678
 623         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 624         op0 isn't sufficiently aligned and there is movmisalignM
 625         insn for mode, use it to load op0 into a temporary register.
 626
 627 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 628
 629         PR target/51957
 630         * target.def (const_not_ok_for_debug_p): New hook.
 631         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 632         documentation.
 633         * doc/tm.texi: Regenerated.
 634         * dwarf2out.c (const_ok_for_output_1): If
 635         targetm.const_not_ok_for_debug_p returns true, fail.
 636         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 637         function.
 638         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 639
 640 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 641
 642         PR target/51900
 643         * config/i386/predicates.md (symbolic_operand): Allow
 644         UNSPEC_PCREL as PIC expression for lea.
 645         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 646         * config/i386/i386.c (ix86_delegitimize_address): Handle
 647         UNSPEC_PCREL for none-MEM, too.
 648
 649 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 650
 651         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 652         (ipa_tm_create_version_alias): Same.
 653
 654 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 655
 656         PR libitm/51830
 657         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 658         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 659
 660 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 661             Patrick Marlier  <patrick.marlier@gmail.com>
 662             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 663
 664         PR lto/51916
 665         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 666         simple_object_start_read.
 667
 668 2012-01-23  Richard Guenther  <rguenther@suse.de>
 669
 670
 671         PR tree-optimization/51895
 672         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 673         parameter decomposition into BLKmode components.
 674
 675 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 676
 677         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 678         fake variables for restrict-qualified pointers whose pointed-to type
 679         contains a placeholder.
 680
 681 2012-01-23  Richard Guenther  <rguenther@suse.de>
 682
 683         PR tree-optimization/51949
 684         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 685
 686 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 687
 688         PR rtl-optimization/51933
 689         * ree.c (transform_ifelse): Return true right away if dstreg is
 690         already wider or equal to cand->mode.
 691         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 692         (make_defs_and_copies_lists): Remove defs_list and copies_list
 693         arguments, add state argument, just truncate state->work_list
 694         instead of always allocating and freeing the vector.  Assert that
 695         get_defs succeeds instead of returning 2.  Changed return type to bool.
 696         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 697         have ext_src_mode, see if it has been modified already with the
 698         right kind of extension and has been extended before from the
 699         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 700         just return true.  Remember the original mode in state->modified array.
 701         (combine_reaching_defs): Add state argument.  Don't allocate and
 702         free here def_list, copied_list and vec vectors, instead just
 703         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 704         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 705         Add state variable, clear vectors in it, initialize state.modified
 706         if needed.  Free all the vectors at the end and state.modified too.
 707         Don't skip a candidate if the extension expression has been modified.
 708
 709 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 710
 711         PR target/47096
 712         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 713          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 714         (extra_options) interix.opt -> i386/interix.opt"
 715         (extra_objs):Add winnt-stubs.o
 716         * configure.ac: Add interix to target_os .comm on PE check.
 717         * configure: Regenerate.
 718         * config/interix3.h: Delete and move bits to..
 719         * config/interix.h: Delete and move bits to..
 720         * config/i386/i386-interix3.h: Delete and move bits to..
 721         * config/i386/i386-interix.h: ..here.
 722         (TARGET_CPU_DEFAULT): Remove redefinition.
 723         (TARGET_ASM_CONSTRUCTOR): Undefine.
 724         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 725         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 726         (PTRDIFF_TYPE): Define.
 727         (LONG_DOUBLE_TYPE_SIZE): Define.
 728         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 729         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 730         (TARGET_SECTION_TYPE_FLAGS): Define.
 731         (ASM_DECLARE_FUNCTION_NAME): Define.
 732         (ASM_OUTPUT_EXTERNAL): Define.
 733         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 734         (ASM_OUTPUT_ALIGNED_BSS): Define.
 735         (PCC_BITFIELD_TYPE_MATTERS): Define.
 736         (USE_CONST_SECTION): Define.
 737         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 738         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 739         (SUPPORTS_ONE_ONLY): Remove.
 740         (I386_PE_STRIP_ENCODING): Define.
 741         * config/interix.opt: Delete and move bits to..
 742         * config/i386/interix.opt: ..here. New.
 743         (mpe-aligned-commons): Add.
 744         * config/i386/t-interix: Add copyright header.
 745         (winnt-stubs.o): Add rule.
 746
 747 2012-01-22  Jason Merrill  <jason@redhat.com>
 748
 749         PR c++/51832
 750         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 751         for extra name aliases.
 752
 753 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 754
 755         PR rtl-optimization/51924
 756         * ree.c (combine_set_extension): Improve debugging message.
 757         (combine_reaching_defs): Likewise.
 758         (get_defs): Rename confusingly named variable.
 759         (find_and_remove_re): Skip a candidate if the extension expression has
 760         been modified.
 761
 762 2012-01-21  Robert Millan  <rmh@gnu.org>
 763             Gerald Pfeifer  <gerald@pfeifer.com>
 764
 765         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 766         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 767
 768 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 769
 770         PR tree-optimization/51914
 771         * tree-vect-stmts.c (vectorizable_conversion): For
 772         cvt_type && modifier == WIDEN, put temporary with cvt_type
 773         at the beginning of vec_dsts and set vec_dest to temporary
 774         with vectype_out.
 775
 776 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 777
 778         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 779
 780 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 781
 782         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 783         * config/rs6000/rs6000.c: Likewise.
 784
 785 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 786
 787         PR target/51915
 788         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 789         output_move_double on a copy of operands array.
 790
 791 2012-01-20  Cary Coutant  <ccoutant@google.com>
 792             Dodji Seketeli  <dodji@redhat.com>
 793
 794         PR debug/45682
 795         * dwarf2out.c (copy_declaration_context): Return ref to parent
 796         of declaration DIE, if necessary.
 797         (remove_child_or_replace_with_skeleton): Add new parameter; update
 798         caller.  Place skeleton DIE under parent DIE of original declaration.
 799         Move call to copy_declaration_context to here ...
 800         (break_out_comdat_types): ... from here.
 801
 802 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 803
 804         PR rtl-optimization/51856
 805         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 806         flag to reloaded.
 807
 808 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 809
 810         PR target/51819
 811         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 812         hints for neon loads and stores.
 813
 814 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 815
 816         PR target/49868
 817         PR target/50887
 818         * doc/extend.texi (Named Address Spaces): Split into subsections.
 819         (AVR Named Address Spaces): New subsection.
 820         (M32C Named Address Spaces): New subsection.
 821         (RL78 Named Address Spaces): New subsection.
 822         (SPU Named Address Spaces): New subsection.
 823         (Variable Attributes): New anchor "AVR Variable Attributes".
 824         (AVR Variable Attributes): Rewrite and avoid wording
 825         "address space" in this context.
 826         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 827         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 828         (AVR Built-in Macros): New subsubsection therein.
 829         * doc/md.texi (AVR constraints): Remove "C04", "R".
 830
 831 2012-01-20  Richard Guenther  <rguenther@suse.de>
 832
 833         PR tree-optimization/51903
 834         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 835         when removing stmts.
 836
 837 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 838
 839         PR target/50313
 840         * config/arm/arm.c (arm_load_pic_register): Use
 841         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 842         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 843         (arm_pic_static_addr): Likewise.
 844         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 845         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 846         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 847         (pic_load_addr_unified): New.
 848
 849 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 850
 851         PR target/51106
 852         * function.c (instantiate_virtual_regs_in_insn): Use
 853         delete_insn_and_edges when removing a wrong asm insn.
 854
 855 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 856
 857         PR rtl-optimization/40761
 858         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 859         Add new member loop_num.
 860         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 861         (ira_build): Remove the parameter.
 862
 863         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 864         (ira.c): Do not build CFG loops for one region allocation.  Remove
 865         argument from ira_build call.
 866
 867         * ira-build.c (init_loop_tree_node): New function.
 868         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 869         loops are not built.
 870         (more_one_region_p): Check current_loops.
 871         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 872         built.
 873         (add_loop_to_tree): Process loop equal to NULL too.
 874         (form_loop_tree): Separate the case when CFG loops are not built.
 875         Use explicitly number for the root.
 876         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 877         an assertion.
 878         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 879         instead of loop->num.
 880         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 881         (mark_all_loops_for_removal): Ditto.
 882         (remove_unnecessary_regions): Separate the case when CFG loops
 883         are not built.
 884         (ira_build): Remove the parameter.  Use explicit number of regions
 885         when CFG loops are not built.
 886
 887         * ira-color.c (print_loop_title): Separate the case for the root node.
 888         Use loop_num instead of loop->num.
 889         (move_spill_restore): Use loop_num instead of loop->num.
 890
 891         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 892         (change_loop): Ditto.
 893         (change_loop): Use loop_num instead of loop->num.
 894
 895         * ira-lives.c (process_bb_node_lives): Ditto.
 896
 897         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 898
 899         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 900
 901 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 902
 903         PR libmudflap/40778
 904         * tree-mudflap.c (mf_artificial): New function.
 905         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 906         mx_register_decls, mudflap_enqueue_decl): Use it.
 907
 908         PR target/51876
 909         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 910         numbers in the insn pattern.
 911
 912 2012-01-19  Michael Matz  <matz@suse.de>
 913
 914         PR tree-optimization/46590
 915         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 916         use it in remembering which conflicts we already created.
 917         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 918         bitmap.
 919
 920 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 921
 922         PR lto/51280
 923         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 924         (merge_and_complain): Same.
 925
 926 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 927
 928         PR bootstrap/50237
 929         * config/initfini-array.h: Guard content of the header
 930         with #ifdef HAVE_INITFINI_ARRAY.
 931         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 932         Add initfini-array.h to tm_file here.
 933         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 934         * config.gcc: Don't add initfini-array.h to tm_file here.
 935         * configure: Regenerated.
 936
 937 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 938
 939         PR rtl-optimization/51505
 940         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 941         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 942         (df_note_bb_compute): Update the call to df_kill_notes.
 943
 944 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 945
 946         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 947
 948 2012-01-18  Richard Guenther  <rguenther@suse.de>
 949
 950         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 951         of conversions to void *.
 952
 953 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 954             Richard Sandiford  <rdsandiford@googlemail.com>
 955
 956         PR middle-end/50325
 957         PR middle-end/51192
 958         * optabs.h (simplify_expand_binop): Declare.
 959         * optabs.c (simplify_expand_binop): Make global.
 960         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 961         endian targets if the source cannot be exactly covered by word
 962         mode chunks.
 963
 964 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 965
 966         PR bootstrap/51872
 967         * hard-reg-set.h (struct hard_reg_set_container): New type.
 968         * target.h (struct hard_reg_set_container): Forward declare.
 969         * target.def (set_up_by_prologue): New target hook.
 970         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 971         * doc/tm.texi: Regenerated.
 972         * function.c (thread_prologue_and_epilogue_insns): Change
 973         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 974         Call targetm.set_up_by_prologue on it.
 975         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 976         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 977
 978 2012-01-17  Nick Clifton  <nickc@redhat.com>
 979
 980         * config/rx/rx.c (rx_can_use_simple_return): New function.
 981         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 982         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 983
 984 2012-01-17  Richard Guenther  <rguenther@suse.de>
 985
 986         PR middle-end/51782
 987         * expr.c (expand_assignment): Take address-space information
 988         from the address operand of MEM_REF and TARGET_MEM_REF.
 989         (expand_expr_real_1): Likewise.
 990
 991 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 992
 993         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 994         reload dump is requested.
 995
 996 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 997
 998         PR other/51165
 999         * trans-mem.c (requires_barrier): Call may_be_aliased.
1000
1001 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1002
1003         PR tree-optimization/51877
1004         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1005         call arguments and fndecls compare equal, instead return false if they
1006         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1007         both SSA_NAMEs that are valueized the same, or they satisfy
1008         operand_equal_p.
1009
1010 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1011
1012         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1013         Solaris 11+.
1014         * configure: Regenerate.
1015
1016 2012-01-16  Jan Hubicka  <jh@suse.cz>
1017
1018         PR c/12245
1019         PR c++/14179
1020         * convert.c (convert_to_integer): Use fold_convert for
1021         converting an INTEGER_CST to integer type.
1022
1023 2012-01-16  Jason Merrill  <jason@redhat.com>
1024
1025         PR c++/14179
1026         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1027
1028 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1029
1030         PR bootstrap/51860
1031         * config/s390/s390.c (s390_chunkify_start): Don't skip
1032         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1033         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1034         If insn is followed by NOTE_INSN_VAR_LOCATION or
1035         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1036         Don't use location of note insns.
1037
1038         PR tree-optimization/51865
1039         * tree-inline.c (tree_function_versioning): Call remap_decl
1040         on DECL_RESULT whenever it has VOID_TYPE_P type.
1041
1042 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1043
1044         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1045         for calls to locally-binding MIPS16 functions if only the return
1046         type uses float regs.
1047
1048 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1049             Richard Sandiford  <rdsandiford@googlemail.com>
1050
1051         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1052         (SYMBOL_32_HIGH): Likewise.
1053         (mips_output_tls_reloc_directive): Declare.
1054         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1055         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1056         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1057         (mips_lo_relocs, mips_hi_relocs): Make extern.
1058         (mips16_stub_function): Move up file.
1059         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1060         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1061         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1062         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1063         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1064         (mips_get_tp): Add MIPS16 support.
1065         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1066         Generalize DTPREL and TPREL handling.
1067         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1068         Add MIPS16 TLS support.
1069         (mips_output_tls_reloc_directive): New function.
1070         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1071         * config/mips/predicates.md (symbolic_operand_with_high)
1072         (tls_reloc_operand): New predicates.
1073         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1074         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1075         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1076         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1077         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1078         (*tls_get_tp_mips16_call_<mode>): Likewise.
1079
1080 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1081
1082         PR rtl-optimization/51821
1083         * recog.c (peep2_find_free_register): Determine clobbered registers
1084         from insn pattern.
1085
1086 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1087
1088         PR target/50925
1089         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1090         * config/avr/avr.c: Likewise.
1091         * config/avr/avr.h: Likewise.
1092
1093 2012-01-13  Ian Lance Taylor  <iant@google.com>
1094
1095         PR c++/50012
1096         * tree.h (TYPE_QUALS): Add cast to int.
1097         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1098
1099 2012-01-13  Ian Lance Taylor  <iant@google.com>
1100
1101         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1102         comparing param_index to VEC_length result.
1103
1104 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1105
1106         * c-decl.c: Do not include tree-mudflap.h
1107         * tree-optimize.c: Likewise.
1108         * Makefile.in: Update dependencies.
1109
1110 2012-01-13  Richard Guenther  <rguenther@suse.de>
1111
1112         PR middle-end/8081
1113         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1114         variable-sized result always use RSO.
1115
1116 2012-01-12  DJ Delorie  <dj@redhat.com>
1117
1118         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1119         pointer type, not just the default pointer type.
1120
1121 2012-01-09  Richard Henderson  <rth@redhat.com>
1122             Denis Chertykov  <chertykov@gmail.com>
1123
1124         PR target/50925
1125         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1126         * config/avr/avr.c (avr_can_eliminate): Simplify.
1127         (avr_initial_elimination_offset): Likewise.
1128         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1129         (expand_epilogue): Likewise.
1130         (avr_legitimize_address): Gut.
1131         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1132         (avr_hard_regno_nregs): New.
1133         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1134         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1135         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1136         add soft frame pointer.
1137         (CALL_USED_REGISTERS): Likewise.
1138         (REG_CLASS_CONTENTS): Likewise.
1139         (REGISTER_NAMES): Likewise.
1140         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1141         (HARD_FRAME_POINTER_REGNUM): New.
1142         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1143         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1144         remove the HARD_FRAME_POINTER self-elimination.
1145
1146 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1147
1148         PR target/51756
1149         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1150         DECL_EXTERNAL when checking for initializers of progmem variables.
1151
1152 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1153
1154         PR tree-optimization/51799
1155         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1156         that the last operation is a type demotion.
1157
1158 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1159
1160         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1161         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1162
1163 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR bootstrap/51796
1166         * combine.c (distribute_notes): If i3 is a noreturn call,
1167         allow old_size to be equal to args_size and make sure the
1168         noreturn call gets REG_ARGS_SIZE note.
1169         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1170         on noreturn calls even when the delta is 0.
1171
1172 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1173
1174         * gcov.c (STRING_SIZE): Remove.
1175         (generate_results): Erase annotations for source files with no
1176         coverage information.
1177         (read_line): New.
1178         (output_lines): Use it.
1179
1180 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1181
1182         * gimple.h (gimplify_body): Remove first argument.
1183         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1184         pointer set here, instead just pass DATA to walk_tree.
1185         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1186         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1187         (unvisit_body): Likewise, but with unmark_visited.
1188         (gimplify_body): Remove BODY_P argument and adjust.
1189         (gimplify_function_tree): Adjust call to gimplify_body.
1190         * omp-low.c (finalize_task_copyfn): Likewise.
1191
1192 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1195         (build_function_type_skip_args): Delete.
1196         * tree.c (build_function_type_skip_args): Make static and add
1197         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1198         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1199         pass it to build_function_type_skip_args.
1200         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1201         (tree_function_versioning): Likewise.
1202         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1203         build_function_decl_skip_args.
1204         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1205         and pass it to build_function_decl_skip_args/tree_function_versioning.
1206         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1207         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1208         * trans-mem.c (ipa_tm_create_version): Likewise.
1209         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1210         * tree-inline.c (declare_return_variable): Remove always-true test.
1211         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1212         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1213         * ipa-split.c (split_function): Skip the return value for the split
1214         part if it doesn't return.
1215
1216 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1217
1218         PR tree-optimization/49642
1219         * ipa-split.c (forbidden_dominators): New variable.
1220         (check_forbidden_calls): New function.
1221         (dominated_by_forbidden): Likewise.
1222         (consider_split): Check for forbidden dominators.
1223         (execute_split_functions): Initialize and free forbidden
1224         dominators info; call check_forbidden_calls.
1225
1226 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1227
1228         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1229
1230 2012-01-11  Nick Clifton  <nickc@redhat.com>
1231
1232         * config/rx/rx.md (return): Define pattern.
1233
1234 2012-01-11  Richard Guenther  <rguenther@suse.de>
1235
1236         * doc/extend.texi (malloc attribute): Adjust according to
1237         implementation.
1238
1239 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1240             Patrick Marlier  <patrick.marlier@gmail.com>
1241
1242         PR middle-end/51516
1243         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1244         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1245         (ipa_tm_note_irrevocable): Same.
1246         (ipa_tm_scan_irr_block): Same.
1247         (ipa_tm_decrement_clone_counts): Same.
1248         (ipa_tm_scan_irr_function): Same.
1249         (ipa_tm_create_version_alias): Same.
1250         (ipa_tm_create_version): Same.
1251         (ipa_tm_transform_calls_redirect): Same.
1252         (ipa_tm_transform_calls): Same.
1253         (ipa_tm_transform_transaction): Same.
1254         (ipa_tm_execute): Same.
1255
1256 2012-01-10  Richard Guenther  <rguenther@suse.de>
1257
1258         PR middle-end/51806
1259         * opts.c (common_handle_option): Handle -Werror.
1260
1261 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1262
1263         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1264         operand number.
1265
1266 2012-01-10  Jason Merrill  <jason@redhat.com>
1267
1268         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1269         information.
1270
1271 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1272
1273         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1274         supports R_386_TLS_GD_PLT reloc.
1275         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1276         supports R_386_TLS_LDM_PLT reloc.
1277         * configure: Regenerate.
1278         * config.in: Regenerate.
1279
1280 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1281
1282         PR target/49868
1283         Extend __pgmx semantics to linearize memory.
1284         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1285         determine if code comes inline or from libgcc.
1286         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1287         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1288         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1289         (movmemx_qi, movmemx_hi): New insns.
1290         (xload_<mode>_libgcc): Rewrite to new insn condition.
1291         (xload_<mode>): Remove insns.
1292         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1293         cases that don't satisfy avr_xload_libgcc_p().
1294         (avr_addr_space_convert): Allow converting in any direction.
1295         (avr_addr_space_subset_p): Return always true.
1296         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1297         (avr_emit_movmemhi): Ditto.
1298         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1299         (avr_out_movmem): Ditto.
1300         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1301         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1302         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1303         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1304         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1305
1306 2012-01-10  Richard Guenther  <rguenther@suse.de>
1307
1308         PR tree-optimization/50913
1309         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1310         Require data-refs to be representable by Graphite with respect
1311         to any loop nest.
1312
1313 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1314
1315         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1316         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1317
1318 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1319
1320         PR rtl-optimization/51271
1321         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1322         handling annulled branch.
1323
1324 2012-01-10  Richard Henderson  <rth@redhat.com>
1325
1326         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1327         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1328         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1329         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1330         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1331         arm_expand_vec_perm_const): New.
1332         * config/arm/arm-protos.h: Update.
1333         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1334         (*neon_vswp<VDQX>): New.
1335         (neon_vcombine<VDX>): Use neon_split_vcombine.
1336         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1337         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1338         (vec_perm<VE>): New.
1339
1340 2012-01-10  Richard Henderson  <rth@redhat.com>
1341
1342         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1343         use it if reload_completed.
1344         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1345         arm_output_asm_insn, arm_process_output_memory_barrier,
1346         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1347         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1348         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1349         arm_process_output_sync_insn, arm_output_sync_insn,
1350         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1351         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1352         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1353         (emit_unlikely_jump): New.
1354         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1355         (arm_split_atomic_op): New.
1356         * config/arm/arm-protos.h: Update.
1357         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1358         (struct arm_sync_generator): Remove.
1359         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1360         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1361         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1362         (VUNSPEC_LL, VUNSPEC_SC): New.
1363         (sync_result, sync_memory, sync_required_value, sync_new_value,
1364         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1365         (attr length): Don't use arm_sync_loop_insns.
1366         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1367         (movsfcc, movdfcc): Likewise.
1368         * config/arm/constraints.md (Ua): New.
1369         * config/arm/prediates.md (mem_noofs_operand): New.
1370         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1371         (sync_clobber, sync_t2_reqd): Remove.
1372         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1373         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1374         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1375         (arm_sync_compare_and_swap<SIDI>): Remove.
1376         (arm_sync_compare_and_swap<NARROW>): Remove.
1377         (arm_sync_lock_test_and_set<SIDI>): Remove.
1378         (arm_sync_lock_test_and_set<NARROW>): Remove.
1379         (arm_sync_new_<syncop><SIDI>): Remove.
1380         (arm_sync_new_<syncop><NARROW>): Remove.
1381         (arm_sync_new_nand<SIDI>): Remove.
1382         (arm_sync_new_nand<NARROW>): Remove.
1383         (arm_sync_old_<syncop><SIDI>): Remove.
1384         (arm_sync_old_<syncop><NARROW>): Remove.
1385         (arm_sync_old_nand<SIDI>): Remove.
1386         (arm_sync_old_nand<NARROW>): Remove.
1387         (*memory_barrier): Merge arm_output_memory_barrier.
1388         (atomic_compare_and_swap<QHSD>): New.
1389         (atomic_compare_and_swap<NARROW>_1): New.
1390         (atomic_compare_and_swap<SIDI>_1): New.
1391         (atomic_exchange<QHSD>): New.
1392         (cas_cmp_operand, cas_cmp_str): New.
1393         (atomic_op_operand, atomic_op_str): New.
1394         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1395         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1396         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1397         (arm_load_exclusive<NARROW>): New.
1398         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1399         (arm_store_exclusive<QHSD>): New.
1400
1401 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1402
1403         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1404         reload patterns if -mvsx-scalar-memory.
1405
1406         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1407         generated, even -mno-vsx-scalar-double was used.
1408         (vsx_xscvdpsp_scalar): Likewise.
1409         (vsx_xscvspdp_scalar2): Likewise.
1410
1411 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1412             Andrew Pinski  <apinski@cavium.com>
1413
1414         PR debug/51471
1415         * reorg.c (fill_slots_from_thread): Don't speculate
1416         frame-related insns.
1417
1418 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1419
1420         * sched-int.h (bb_note): Move to...
1421         * basic-block.h: ...here.
1422         * haifa-sched.c (bb_note): Move to...
1423         * cfgrtl.c: ...here.
1424         * function.c (next_block_for_reg): New function.
1425         (move_insn_for_shrink_wrap): Likewise.
1426         (prepare_shrink_wrap): Rewrite to use the above.
1427
1428 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1429
1430         * gimple.c (is_gimple_non_addressable): Remove.
1431         * gimple.h: Remove is_gimple_non_addressable.
1432         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1433         is_gimple_non_addressable.
1434         * trans-mem.c (expand_assign_tm): Same.
1435
1436 2012-01-09  Richard Guenther  <rguenther@suse.de>
1437
1438         PR tree-optimization/51775
1439         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1440         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1441
1442 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1443
1444         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1445         tuning parameters.
1446         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1447
1448 2012-01-09  Richard Guenther  <rguenther@suse.de>
1449
1450         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1451
1452 2012-01-08  Jan Hubicka  <jh@suse.cz>
1453
1454         PR tree-optimize/51680
1455         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1456         on when known_vals needs to be computed; cleanup.
1457
1458 2012-01-08  Jan Hubicka  <jh@suse.cz>
1459
1460         PR tree-optimize/51694
1461         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1462
1463 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1464
1465         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1466         for -std=c++98 and -std=c++11 too.
1467
1468 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1469
1470         * cfgloop.c (cancel_loop): Add free() of bbs array.
1471
1472 2012-01-07  Jan Hubicka  <jh@suse.cz>
1473
1474         PR tree-optimization/51600
1475         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1476         that benefits small functions.
1477
1478 2012-01-07  Jan Hubicka  <jh@suse.cz>
1479
1480         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1481
1482 2012-01-07  Jan Hubicka  <jh@suse.cz>
1483
1484         PR tree-optimization/51680
1485         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1486         whose inlining reduce unit size.
1487
1488 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1489
1490         PR bootstrap/51725
1491         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1492         Add canonical node to containing_mem chain after the non-canonical
1493         one, even if there weren't any locs to propagate.
1494         (remove_useless_values): Keep only canonical values.
1495         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1496         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1497         canonicalize mem_chain elements that are not discarded.
1498
1499 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1500
1501         PR target/47333
1502         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1503         before emitting functions.
1504
1505         PR gcov-profile/50127
1506         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1507         clear_aux_for_blocks.
1508
1509 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1510
1511         PR debug/51746
1512         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1513
1514 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1515
1516         * c-decl.c (ext_block): Moved up.
1517         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1518
1519 2012-01-06  Han Shen  <shenhan@google.com>
1520
1521         Translate built-in include paths for sysroot.
1522         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1523         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1524
1525         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1526         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1527
1528         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1529         control whether sysroot should be prepended to gxx include dir.
1530
1531         * configure: Regenerate.
1532
1533 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1534
1535         PR rtl-optimization/51771
1536         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1537         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1538
1539 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1540
1541         PR tree-optimization/51315
1542         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1543         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1544
1545 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         PR target/51681
1548         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1549         for shrp pattern.  Correctly handle and fixup shift variable.
1550         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1551
1552 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1553
1554         PR debug/51762
1555         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1556         note when !ACCUMULATE_OUTGOING_ARGS.
1557
1558 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1559
1560         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1561         condition.
1562         (extract_range_from_unary_expr_1): Avoid useless computations.
1563
1564 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR rtl-optimization/51767
1567         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1568         of jump_block and add an extra edge for degenerated asm gotos.
1569
1570         PR middle-end/51768
1571         * stmt.c (check_unique_operand_names): Don't ICE during error
1572         reporting if i is from labels chain.
1573
1574         PR middle-end/44777
1575         * profile.c (branch_prob): Split bbs that have exit edge
1576         and need a fake entry edge too.
1577
1578 2012-01-05  Jan Hubicka  <jh@suse.cz>
1579
1580         PR middle-end/49710
1581         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1582         unlooping loops.
1583
1584 2012-01-05  Richard Guenther  <rguenther@suse.de>
1585
1586         PR lto/50490
1587         * tree-streamer-out.c (write_ts_optimization): New function.
1588         (streamer_write_tree_body): Call it.
1589         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1590         (streamer_read_tree_body): Call it.
1591         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1592
1593 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1594
1595         PR middle-end/51761
1596         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1597         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1598         in_cleanup_point_expr before gimplify_stmt call and restore it
1599         afterwards.
1600         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1601         in_cleanup_point_expr is false.
1602
1603 2012-01-05  Richard Guenther  <rguenther@suse.de>
1604
1605         PR middle-end/51764
1606         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1607         to c.opt.
1608         * toplev.c (process_options): Reject combining mudflap and LTO.
1609         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1610
1611 2012-01-05  Richard Guenther  <rguenther@suse.de>
1612
1613         PR tree-optimization/51760
1614         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1615         not VARYING.
1616         (bit_value_unop): Handle UNDEFINED operands.
1617         (bit_value_binop): Likewise.
1618
1619 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1620
1621         * config/avr/avr.c (avr_replace_prefix): Remove.
1622         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1623         (avr_asm_function_rodata_section): Ditto.
1624         (avr_asm_select_section): Ditto.
1625
1626 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1627
1628         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1629         insertion.
1630
1631 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1632
1633         PR bootstrap/51648
1634         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1635         calls that have any non-fake successor edges.
1636
1637         PR debug/51746
1638         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1639
1640 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1641
1642         PR tree-optimization/51624
1643         * tree-sra.c (build_ref_for_model): When replicating a chain of
1644         COMPONENT_REFs, stop as soon as the offset would become negative.
1645
1646 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1647
1648         PR debug/51695
1649         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1650         in .debug_loc on the floor.
1651
1652 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1653
1654         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1655
1656 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1657             Adam Nemet  <anemet@caviumnetworks.com>
1658
1659         * config/mips/mips.md (size): Add SI and DI.
1660         (SIZE): New mode attribute.
1661         (U): New code attribute.
1662         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1663         (mips_lbux_<mode>): Delete.
1664         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1665         (mips_lhx): Use gen_mips_lhx_extsi.
1666         (mips_lhx_<mode>): Delete.
1667         (mips_lwx): Delete.
1668         (mips_l<size>x): New expand.
1669         (mips_lwx_<mode>): Delete.
1670         (mips_l<GPR:size>x_<P:mode>): New pattern.
1671         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1672         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1673         * config/mips/mips.c (mips_lx_address_p): New function.
1674         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1675         (dsp64): New availability predicate.
1676         (mips_builtins): Add an entry for __builtin_mips_ldx.
1677         * config/mips/mips.h (ISA_HAS_LBX): New define.
1678         (ISA_HAS_LBUX): Likewise.
1679         (ISA_HAS_LHX): Likewise.
1680         (ISA_HAS_LHUX): Likewise.
1681         (ISA_HAS_LWX): Likewise.
1682         (ISA_HAS_LWUX): Likewise.
1683         (ISA_HAS_LDX): Likewise.
1684         * doc/extend.texi (__builtin_mips_ldx): Document.
1685
1686 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1687
1688         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1689         when long pointers are used.
1690         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1691         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1692         (ia64-hp-*vms*): Remove.
1693         * config/vms/xm-vms64.h: Delete.
1694
1695 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1696
1697         PR middle-end/51472
1698         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1699
1700 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1701
1702         * opts.c (finish_options): Remove duplicate sorry.
1703
1704 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1705
1706         PR middle-end/51696
1707         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1708         correctly.
1709
1710 2012-01-04  Richard Guenther  <rguenther@suse.de>
1711
1712         PR middle-end/51750
1713         * tree.c (size_low_cst): New function.
1714         * tree.h (size_low_cst): Declare.
1715         * fold-const.c (fold_comparison): Use it to extract the low
1716         part of the POINTER_PLUS_EXPR offset.
1717
1718 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1719
1720         Fix clearing ZERO_REG
1721         * config/avr/avr.md (cc): Add alternative "ldi".
1722         (movqi_insn): Use it in cc attribute.
1723         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1724         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1725         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1726
1727 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1728
1729         * configure: Regenerate.
1730
1731 2012-01-04  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/49651
1734         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1735         (var_can_have_subvars): Use it.
1736         (get_constraint_for_1): Only consider subfields if there can be any.
1737
1738 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR bootstrap/51725
1741         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1742         to its new canonical_cselib_val and the cselib_val was in
1743         first_containing_mem chain, but the canonical_cselib_val was not,
1744         add the latter into the chain.
1745         (cselib_invalidate_mem): Compare canonical_cselib_val of
1746         addr_list chain elt with v.
1747
1748         PR pch/51722
1749         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1750         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1751         of xstrdup.
1752         (output_macinfo_op): Don't ggc_strdup fd->filename.
1753         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1754         then ggc_strdup it.  Don't free inc->info or cur->info.
1755         (output_macinfo): Don't free ref->info or file->info.
1756
1757 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1758
1759         PR tree-optimization/51269
1760         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1761         first_niters a pointer.
1762         (slpeel_tree_peel_loop_to_edge): Likewise.
1763         (vect_do_peeling_for_loop_bound): Update call to
1764         slpeel_tree_peel_loop_to_edge.
1765         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1766         here.  Remove it from the parameters list.
1767         (vect_do_peeling_for_alignment): Update calls and compute
1768         wide_prolog_niters.
1769
1770 2012-01-03  Richard Guenther  <rguenther@suse.de>
1771
1772         PR tree-optimization/51070
1773         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1774         Properly handle calls.
1775
1776 2012-01-03  Richard Guenther  <rguenther@suse.de>
1777
1778         PR tree-optimization/51692
1779         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1780         the LHS of allocation stmts.
1781
1782 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1783
1784         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1785
1786 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1787
1788         * collect2.c (main): In AIX specific computations for vector
1789         insertions, use CONST_CAST2 to cast from char ** to const char **.
1790
1791 2012-01-03  Richard Guenther  <rguenther@suse.de>
1792
1793         PR debug/51650
1794         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1795         the context of a limbo DIE when it does not already exist.
1796
1797 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1798
1799         PR tree-optimization/51719
1800         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1801         but direct call is, clear direct call's lhs and don't add fallthrough
1802         edge from dcall_bb to join_bb and PHIs.
1803
1804 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1805
1806         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1807         the instructions emitted by the pattern.
1808         ("*TDC_insn_<mode>"): Add comment.
1809
1810 2012-01-03  Richard Guenther  <rguenther@suse.de>
1811
1812         PR middle-end/51730
1813         * fold-const.c (fold_comparison): Properly canonicalize
1814         tree offset and HOST_WIDE_INT bit position.
1815
1816 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1819         operands for extzv pattern.
1820
1821 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1822
1823         PR bootstrap/51725
1824         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1825         on mem_elt first.
1826
1827 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1828
1829         * doc/invoke.texi (-flto and related options): Copy-edit.
1830
1831 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1832
1833         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1834
1835 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1836
1837         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1838         New patterns.
1839
1840 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1841
1842         * expr.h (move_by_pieces_ninsns): Declare.
1843         * expr.c (move_by_pieces_ninsns): Make external.
1844         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1845         (mips_store_by_pieces_p): Likewise.
1846         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1847         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1848         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1849         (mips_store_by_pieces_p): Likewise.
1850
1851 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1852
1853         * passes.c (register_one_dump_file): Free full_name.
1854
1855         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1856         (calculate_elim_costs_all_insns): Free offsets_at and
1857         offsets_known_at at the end and clear the pointers.
1858
1859 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1860
1861         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1862         this option introduced in r180739.
1863
1864 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1865
1866         PR target/51345
1867         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1868         (tmake_file target=avr): Add avr/t-multilib.
1869
1870         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1871         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1872         * config/avr/genmultilib.awk: New file.
1873         * config/avr/t-multilib: New auto-generated file.
1874         * config/avr/multilib.h: New auto-generated file.
1875         * config/avr/t-avr (AVR_MCUS): New variable.
1876         (genopt.sh): Use it.
1877         (s-mlib): Depend on t-multilib.
1878         (t-multilib, multilib.h): New dependencies.
1879         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1880         (MULTILIB_OPTIONS): Remove.
1881         (MULTILIB_MATCHES): Remove.
1882         (MULTILIB_DIRNAMES): Remove.
1883         (MULTILIB_EXCEPTIONS): Remove:
1884         * config/avr/genopt.sh: Don't use hard coded file name;
1885         pass AVR_MCUS from t-avr instead.
1886
1887 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1888
1889         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1890
1891 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1892
1893         Implement light-weight DImode support.
1894         * config/avr/avr-dimode.md: New file.
1895         * config/avr/avr.md: Include it.
1896         (adjust_len): Add plus64, compare64.
1897         (HIDI): Remove code iterator.
1898         (code_stdname): New code attribute.
1899         (rotx, rotsmode): Remove DI.
1900         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1901         as code iterator.
1902         * config/avr/avr-protos.h (avr_have_dimode): New.
1903         (avr_out_plus64, avr_out_compare64): New.
1904         * config/avr/avr.c (avr_out_compare): Handle DImode.
1905         (avr_have_dimode): New variable definition and initialization.
1906         (avr_out_compare64, avr_out_plus64): New functions.
1907         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1908         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1909         (avr_compare_pattern): Skip DImode comparisons.
1910
1911 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1912
1913         * ddg.c (def_has_ccmode_p): New function.
1914         (add_cross_iteration_register_deps,
1915         create_ddg_dep_from_intra_loop_link): Call it.
1916
1917 2012-01-02  Richard Guenther  <rguenther@suse.de>
1918
1919         PR other/51679
1920         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1921
1922 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1923
1924         * gcc.c (process_command): Update copyright notice dates.
1925         * gcov.c (print_version): Likewise.
1926         * gcov-dump.c (print_version): Likewise.
1927         * mips-tfile.c (main): Likewise.
1928         * mips-tdump.c (main): Likewise.
1929
1930 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1931
1932         PR tree-optimization/51704
1933         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1934         a use is inside the basic block or loop before accessing its vect info.
1935
1936 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1937
1938         PR rtl-optimization/51069
1939         * cfgloopmanip.c (remove_path): Removing path making irreducible
1940         region unconditional makes BB part of the region.
1941
1942 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1943
1944         PR tree-optimization/51683
1945         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1946         calls with side-effects.
1947         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1948 \f
1949 Copyright (C) 2012 Free Software Foundation, Inc.
1950
1951 Copying and distribution of this file, with or without modification,
1952 are permitted in any medium without royalty provided the copyright
1953 notice and this notice are preserved.