gcc/ChangeLog

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