gcc/ChangeLog

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