gcc/ChangeLog

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