gcc/ChangeLog

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