gcc/ChangeLog

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