gcc/ChangeLog

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