gcc/ChangeLog

   1 2013-01-28  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR tree-optimization/56094
   4         * gimplify.c (force_gimple_operand_1): Temporarily set input_location
   5         to UNKNOWN_LOCATION while gimplifying expr.
   6
   7 2013-01-27  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         PR target/56114
  10         * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
  11         operand 0 in movabs insn template for -masm=intel asm alternative.
  12         (*movabs<mode>_2): Ditto for operand 1.
  13
  14 2013-01-26  David Holsgrove <david.holsgrove@xilinx.com>
  15
  16         PR target/54663
  17         * config.gcc (microblaze*-linux*): Add tmake_file to allow building
  18         of microblaze-c.o
  19
  20 2013-01-26  Edgar E. Iglesias <edgar.iglesias@gmail.com>
  21
  22         * config.gcc (microblaze*-*-*): Rename microblaze*-*-elf, update
  23         tm_file.
  24
  25
  26 2013-01-25 Naveen H.S <Naveen.Hurugalawadi@caviumnetworks.com>
  27
  28         * config/aarch64/aarch64.c (TARGET_FIXED_CONDITION_CODE_REGS):
  29         Undef to avoid warning.
  30
  31 2013-01-25  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
  32
  33         * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
  34         * configure: Regenerate.
  35
  36 2013-01-25  Jakub Jelinek  <jakub@redhat.com>
  37
  38         PR tree-optimization/56098
  39         * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
  40         for stmts with volatile ops.
  41         (cond_store_replacement): Don't optimize if assign has volatile ops.
  42         (cond_if_else_store_replacement_1): Don't optimize if either
  43         then_assign or else_assign have volatile ops.
  44         (hoist_adjacent_loads): Don't optimize if either def1 or def2 have
  45         volatile ops.
  46
  47 2013-01-25  Georg-Johann Lay  <avr@gjlay.de>
  48
  49         * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.
  50
  51 2013-01-25  Georg-Johann Lay  <avr@gjlay.de>
  52
  53         * doc/extend.texi (Example of asm with clobbered asm reg): Fix
  54         missing ':' in asm example.
  55
  56 2013-01-25  Tejas Belagod  <tejas.belagod@arm.com>
  57
  58         * config/aarch64/aarch64-simd-builtins.def: Separate sq<r>dmulh_lane
  59         entries into lane and laneq entries.
  60         * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_lane<mode>):
  61         Remove AdvSIMD scalar modes.
  62         (aarch64_sq<r>dmulh_laneq<mode>): New.
  63         (aarch64_sq<r>dmulh_lane<mode>): New RTL pattern for Scalar AdvSIMD
  64         modes.
  65         * config/aarch64/arm_neon.h: Fix all the vq<r>dmulh_lane* intrinsics'
  66         builtin implementations to relfect changes in RTL in aarch64-simd.md.
  67         * config/aarch64/iterators.md (VCOND): New.
  68         (VCONQ): New.
  69
  70 2013-01-25  Georg-Johann Lay  <avr@gjlay.de>
  71
  72         PR target/54222
  73         * config/avr/builtins.def (DEF_BUILTIN): Add LIBNAME argument.
  74         Add NULL LIBNAME argument to existing definitions.
  75         (ABSHR, ABSR, ABSLR, ABSLLR, ABSHK, ABSK, ABSLK, ABSLLK): New.
  76         * config/avr/avr-c.c (DEF_BUILTIN): Add LIBNAME argument.
  77         * config/avr/avr.c (DEF_BUILTIN): Same.
  78         (avr_init_builtins): Pass down LIBNAME to add_builtin_function.
  79         (avr_expand_builtin): Expand to a vanilla call if a libgcc
  80         implementation is available (DECL_ASSEMBLER_NAME is set).
  81         (avr_fold_absfx): New static function.
  82         (avr_fold_builtin): Use it to handle: AVR_BUILTIN_ABSHR,
  83         AVR_BUILTIN_ABSR, AVR_BUILTIN_ABSLR, AVR_BUILTIN_ABSLLR,
  84         AVR_BUILTIN_ABSHK, AVR_BUILTIN_ABSK, AVR_BUILTIN_ABSLK,
  85         AVR_BUILTIN_ABSLLK.
  86         * config/avr/stdfix.h (abshr, absr, abslr, absllr)
  87         (abshk, absk, abslk, absllk): Provide as static inline functions.
  88
  89 2013-01-25  Marek Polacek  <polacek@redhat.com>
  90
  91         PR tree-optimization/56035
  92         * cfgloopmanip.c (fix_loop_structure): Remove redundant condition.
  93
  94 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
  95
  96         * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
  97         (*movtf_internal_rex64): Add (!o,C) alternative
  98         (*movxf_internal_rex64): Ditto.
  99         (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.
 100
 101 2013-01-24  Shenghou Ma  <minux.ma@gmail.com>
 102
 103         * doc/invoke.texi: fix typo.
 104         * doc/objc.texi: fix typo.
 105
 106 2013-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 107
 108         * config/mips/mips.md (*and<mode>3_mips16): Use the "W" constraint
 109         for the first two alternatives.
 110
 111 2013-01-24  Diego Novillo  <dnovillo@google.com>
 112
 113         * Makefile.in (GGC): Remove.  Replace all instances with ggc-page.o.
 114         (ggc-zone.o): Remove.
 115         * configure.ac: Remove option --with-gc.
 116         * configure: Re-generate.
 117         * doc/install.texi: Remove documentation for --with-gc.
 118         * gengtype.c (write_enum_defn): Remove.  Update all users.
 119         (write_Types_process_field): Remove generation of gt_e_* argument.
 120         (output_type_enum): Remove.  Update all users.
 121         (write_enum_defn): Remove.  Update all users.
 122         (enum alloc_zone): Remove.  Update all users.
 123         (write_splay_tree_allocator_def): Remove generation of gt_e_* argument.
 124         * ggc-common.c (ggc_splay_alloc): Remove first argument.
 125         Update all callers.
 126         (struct ptr_data): Remove field TYPE.  Update all users.
 127         (gt_pch_note_object): Remove argument TYPE.  Update all users.
 128         * ggc-internal.h (ggc_pch_alloc_object): Remove last argument.
 129         Update all users.
 130         * ggc-none.c (ggc_alloc_typed_stat): Remove.
 131         (struct alloc_zone): Remove.
 132         (ggc_internal_alloc_zone_stat): Remove.
 133         (ggc_internal_cleared_alloc_zone_stat): Remove.
 134         * ggc-page.c (ggc_alloc_typed_stat): Remove.
 135         (ggc_pch_count_object): Remove last argument.  Update all users.
 136         (ggc_pch_alloc_object): Remove last argument.  Update all users.
 137         (struct alloc_zone): Remove.
 138         * ggc-zone.c: Remove.
 139         * ggc.h (gt_pch_note_object): Remove last argument.  Update all users.
 140         (struct alloc_zone): Remove.
 141         (ggc_alloc_typed_stat): Remove.
 142         (ggc_alloc_typed): Remove.
 143         (ggc_splay_alloc): Remove first argument.
 144         (rtl_zone): Remove.  Update all users.
 145         (tree_zone): Remove.  Update all users.
 146         (tree_id_zone): Remove.  Update all users.
 147         (ggc_internal_zone_alloc_stat): Remove.  Update all users.
 148         (ggc_internal_zone_cleared_alloc_stat): Remove.  Update all users.
 149         (ggc_internal_zone_vec_alloc_stat): Remove.  Update all users.
 150         * tree-ssanames.c: Remove references to zone allocator in comments.
 151
 152 2013-01-24  Georg-Johann Lay  <avr@gjlay.de>
 153
 154         * config/avr/avr.c (avr_out_fract): Make register numbers that
 155         might be outside of source operand signed.
 156
 157 2013-01-24  Uros Bizjak  <ubizjak@gmail.com>
 158
 159         * config/i386/constraints.md (Yf): New constraint.
 160         * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
 161         of f constraint to conditionaly disable x87 register preferences.
 162         (*movdf_internal): Ditto.
 163         (*movsf_internal): Ditto.
 164
 165 2013-01-24  Steven Bosscher  <steven@gcc.gnu.org>
 166
 167         PR inline-asm/55934
 168         * lra-assigns.c (assign_by_spills): Throw away the pattern of asms
 169         that have operands with impossible constraints.
 170         Add a FIXME for a speed-up opportunity.
 171         * lra-constraints.c (process_alt_operands): Verify that a class
 172         selected from constraints on asms is valid for the operand mode.
 173         (curr_insn_transform): Remove incorrect comment.
 174
 175 2013-01-23  David Edelsohn  <dje.gcc@gmail.com>
 176
 177         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Check that
 178         TOC operand is a valid symbol ref in the constant pool.
 179
 180 2013-01-23  Edgar E. Iglesias  <edgar.iglesias@gmail.com>
 181
 182         * config/microblaze/linux.h: Add TARGET_OS_CPP_BUILTINS
 183
 184 2013-01-23  Georg-Johann Lay  <avr@gjlay.de>
 185
 186         PR target/54222
 187         * config/avr/stdfix.h: New file.
 188         * t-avr (stdfix-gcc.h): New rule to build it.
 189         (EXTRA_HEADERS): Set it to install stdfix.h, stdfix-gcc.h.
 190
 191 2013-01-23  Kostya Serebryany  <kcc@google.com>
 192
 193         * config/darwin.h: remove dependency on
 194         CoreFoundation (asan on Mac OS).
 195
 196 2013-01-23  Jakub Jelinek  <jakub@redhat.com>
 197
 198         PR target/49069
 199         * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
 200         instead of cmpdi_operand for first comparison operand.
 201         Don't assert that comparison operands aren't both constants.
 202
 203 2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>
 204
 205         * doc/install.texi (Downloading the Source): Update references to
 206         downloading separate components.
 207
 208 2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>
 209
 210         * doc/extend.texi (__int128): Improve grammar.
 211
 212 2013-01-22  Uros Bizjak  <ubizjak@gmail.com>
 213
 214         PR target/56028
 215         * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
 216         alternative to (o,r).
 217         (*movdi_internal_rex64): Remove (!o,n) alternative.
 218         (DImode immediate->memory splitter): Remove.
 219         (DImode immediate->memory peephole2): Remove.
 220         (movtf): Enable for TARGET_64BIT || TARGET_SSE.
 221         (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
 222         alternative to (!o,*r).
 223         (*movtf_internal_sse): New pattern.
 224         (*movxf_internal_rex64): New pattern.
 225         (*movxf_internal): Disable for TARGET_64BIT.
 226         (*movdf_internal_rex64): Remove (!o,F) alternative.
 227
 228 2013-01-22  Jakub Jelinek  <jakub@redhat.com>
 229
 230         PR middle-end/56074
 231         * dumpfile.c (dump_loc): Only print loc if LOCATION_LOCUS (loc)
 232         isn't UNKNOWN_LOCATION nor BUILTINS_LOCATION.
 233         * tree-vect-loop-manip.c (find_loop_location): Also ignore
 234         stmt locations where LOCATION_LOCUS of the stmt location is
 235         UNKNOWN_LOCATION or BUILTINS_LOCATION.
 236
 237         PR target/55686
 238         * config/i386/i386.md (UNSPEC_STOS): New.
 239         (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
 240         *strsetqi_1): Add UNSPEC_STOS.
 241
 242 2013-01-22  Paolo Carlini  <paolo.carlini@oracle.com>
 243
 244         PR c++/56067
 245         * doc/invoke.texi: Remove left over -Wsynth example.
 246
 247 2013-01-21  Jakub Jelinek  <jakub@redhat.com>
 248
 249         PR tree-optimization/56051
 250         * fold-const.c (fold_binary_loc): Don't fold
 251         X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
 252         a narrowing conversion, or widening conversion from signed
 253         to unsigned.
 254
 255 2013-01-21  Uros Bizjak  <ubizjak@gmail.com>
 256
 257         PR rtl-optimization/56023
 258         * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
 259         dependent on debug instruction.
 260
 261 2013-01-21  Martin Jambor  <mjambor@suse.cz>
 262
 263         PR middle-end/56022
 264         * function.c (allocate_struct_function): Call
 265         invoke_set_current_function_hook earlier.
 266
 267 2013-01-21  Jakub Jelinek  <jakub@redhat.com>
 268
 269         * reload1.c (init_reload): Only initialize reload_obstack
 270         during the first call.
 271
 272 2013-01-21  Marek Polacek  <polacek@redhat.com>
 273
 274         * cfgloop.c (verify_loop_structure): Fix up grammar.
 275
 276 2013-01-21  Yi-Hsiu Hsu  <ahsu@marvell.com>
 277
 278         * config/arm/marvell-pj4.md (pj4_shift_conds, pj4_alu_shift,
 279         pj4_alu_shift_conds, pj4_shift): Handle simple_alu_shift.
 280
 281 2013-01-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 282
 283         PR target/56058
 284         * config/arm/marvell-pj4.md: Update copyright year.
 285         Fix up use of alu to alu_reg and simple_alu_imm.
 286
 287 2013-01-21  Uros Bizjak  <ubizjak@gmail.com>
 288
 289         * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.
 290
 291 2013-01-20  Vladimir Makarov  <vmakarov@redhat.com>
 292
 293         PR target/55433
 294         * lra-constraints.c (curr_insn_transform): Don't reuse original
 295         insn for secondary memory move when memory mode should be different.
 296
 297 2013-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 298
 299         * config/pa/pa.md (atomic_loaddi, atomic_loaddi_1, atomic_storedi,
 300         atomic_storedi_1): New patterns.
 301
 302 2013-01-20  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 303
 304         btver2 pipeline descriptions.
 305         * config/i386/i386.c: Enable CPU_BTVER2 to use btver2 pipeline
 306         descriptions.
 307         * config/i386/i386.md (btver2_decode): New type attributes.
 308         * config/i386/sse.md (btver2_decode, btver2_sse_attr): New
 309         type attributes.
 310         * config/i386/btver2.md: New file describing btver2 pipelines.
 311
 312 2013-01-19  Andrew Pinski  <apinski@cavium.com>
 313
 314         PR tree-optimization/52631
 315         * tree-ssa-sccvn (visit_use): Before looking up the original
 316         statement, try looking up the simplified expression.
 317
 318 2013-01-19  Anthony Green  <green@moxielogic.com>
 319
 320         * config/moxie/moxie.c (moxie_expand_prologue): Set
 321         current_function_static_stack_size.
 322
 323 2013-01-18  Jakub Jelinek  <jakub@redhat.com>
 324
 325         PR tree-optimization/56029
 326         * tree-phinodes.c (reserve_phi_args_for_new_edge): Set
 327         gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.
 328
 329 2013-01-18  Sharad Singhai  <singhai@google.com>
 330
 331         PR tree-optimization/55995
 332         * dumpfile.c (dump_loc): Print location only if available.
 333         * tree-vectorizer.c (increase_alignment): Intialize vect_location.
 334
 335 2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>
 336
 337         PR target/55433
 338         * lra-constraints.c (curr_insn_transform): Reuse original insn for
 339         secondary memory move.
 340         (inherit_reload_reg): Use rclass instead of cl for
 341         check_secondary_memory_needed_p.
 342
 343 2013-01-18  Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR middle-end/56015
 346         * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
 347         the case where writing real complex part of target modifies op1.
 348
 349 2013-01-18  James Greenhalgh  <james.greenhalgh@arm.com>
 350
 351         * config/aarch64/aarch64-simd.md
 352         (aarch64_vcond_internal<mode>): Handle unordered cases.
 353         * config/aarch64/iterators.md (v_cmp_result): New.
 354
 355 2013-01-18  Yi-Hsiu Hsu  <ahsu@marvell.com>
 356             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 357
 358         * config/arm/marvell-pj4.md: New file.
 359         * config/arm/arm.c (arm_issue_rate): Add marvell_pj4.
 360         * config/arm/arm.md (generic_sched): Add marvell_pj4.
 361         (generic_vfp): Likewise.
 362         * config/arm/arm-cores.def: Add marvell-pj4.
 363         * config/arm/arm-tune.md: Regenerate.
 364         * config/arm/arm-tables.opt: Regenerate.
 365         * config/arm/bpabi.h (BE8_LINK_SPEC): Add marvell_pj4.
 366         * doc/invoke.texi: Document marvell-pj4.
 367
 368 2013-01-18  Tejas Belagod  <tejas.belagod@arm.com>
 369
 370         * config/aarch64/arm_neon.h: Map scalar types to standard types.
 371
 372 2013-01-18  Alexandre Oliva <aoliva@redhat.com>
 373
 374         PR debug/54114
 375         PR debug/54402
 376         PR debug/49888
 377         * var-tracking.c (negative_power_of_two_p): New.
 378         (global_get_addr_cache, local_get_addr_cache): New.
 379         (get_addr_from_global_cache, get_addr_from_local_cache): New.
 380         (vt_canonicalize_addr): Rewrite using the above.  Adjust the
 381         heading comment.
 382         (vt_stack_offset_p): Remove.
 383         (vt_canon_true_dep): Always canonicalize loc's address.
 384         (clobber_overlapping_mems): Make sure we have a MEM.
 385         (local_get_addr_clear_given_value): New.
 386         (val_reset): Clear local cached entries.
 387         (compute_bb_dataflow): Create and release the local cache.
 388         Disable duplicate MEMs clobbering.
 389         (emit_notes_in_bb): Clobber MEMs likewise.
 390         (vt_emit_notes): Create and release the local cache.
 391         (vt_initialize, vt_finalize): Create and release the global
 392         cache, respectively.
 393         * alias.c (rtx_equal_for_memref_p): Compare operands of ENTRY_VALUEs.
 394
 395 2013-01-18  Alexandre Oliva <aoliva@redhat.com>
 396
 397         PR libmudflap/53359
 398         * tree-mudflap.c (mudflap_finish_file): Skip deferred decls
 399         not found in the symtab.
 400
 401 2013-01-18  Alexandre Oliva <aoliva@redhat.com>
 402
 403         PR debug/56006
 404         PR rtl-optimization/55547
 405         PR rtl-optimization/53827
 406         PR debug/53671
 407         PR debug/49888
 408         * alias.c (offset_overlap_p): New, factored out of...
 409         (memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
 410         the conservative special case for symbolic constants.  Don't
 411         adjust zero sizes on alignment.
 412
 413 2013-01-18  Bernd Schmidt  <bernds@codesourcery.com>
 414
 415         PR rtl-optimization/52573
 416         * regrename.c (build_def_use): Ignore REG_DEAD notes if there is a
 417         REG_UNUSED for the same register.
 418
 419 2013-01-17  Richard Biener  <rguenther@suse.de>
 420             Marek Polacek  <polacek@redhat.com>
 421
 422         PR rtl-optimization/55833
 423         * loop-unswitch.c (unswitch_loops): Move loop verification...
 424         (unswitch_single_loop): ...here.  Call mark_irreducible_loops.
 425         * cfgloopmanip.c (fix_loop_placement): Add IRRED_INVALIDATED parameter.
 426         Set it to true when we're removing a loop from hierarchy tree in
 427         an irreducible region.
 428         (fix_bb_placements): Adjust caller.
 429         (fix_loop_placements): Likewise.
 430
 431 2013-01-17  Georg-Johann Lay  <avr@gjlay.de>
 432
 433         * config/avr/builtins.def (DEF_BUILTIN): Factor out
 434         "__builtin_avr_" from NAME, turn NAME to an uppercase identifier.
 435         Factor out 'CODE_FOR_' from ICODE, use 'nothing' instead of '-1'.
 436         Remove ID.  Adjust comments.
 437         * config/avr/avr-c.c (avr_builtin_name): Remove.
 438         (avr_cpu_cpp_builtins): Use DEF_BUILTIN instead of for-loop.
 439         * config/avr/avr.c (avr_tolower): New static function.
 440         (DEF_BUILTIN): Remove parameter ID.  Prefix ICODE by 'CODE_FOR_'.
 441         Stringify NAME, prefix it with "__builtin_avr_" and lowercase it.
 442         (avr_expand_builtin): Assert insn_code != CODE_FOR_nothing for
 443         default expansion.
 444
 445 2013-01-17  Jan Hubicka  <jh@suse.cz>
 446
 447         PR tree-optimization/55273
 448         * loop-iv.c (iv_number_of_iterations): Consider zero iteration case.
 449
 450 2013-01-17  Uros Bizjak  <ubizjak@gmail.com>
 451
 452         PR target/55981
 453         * config/i386/sync.md (atomic_store<mode>): Always generate SWImode
 454         store through atomic_store<mode>_1.
 455         (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
 456
 457 2013-01-17  Martin Jambor  <mjambor@suse.cz>
 458
 459         PR tree-optimizations/55264
 460         * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
 461         for virtual methods.
 462         * ipa.c (symtab_remove_unreachable_nodes): Never return true for
 463         virtual methods before inlining is over.
 464         * cgraph.h (cgraph_only_called_directly_or_aliased_p): Return false for
 465         virtual functions.
 466         * cgraphclones.c (cgraph_create_virtual_clone): Mark clones as
 467         non-virtual.
 468
 469 2013-01-16  Vladimir Makarov  <vmakarov@redhat.com>
 470
 471         PR rtl-optimization/56005
 472         * sched-deps.c (sched_analyze_2): Check deps->readonly for adding
 473         pending reads for prefetch.
 474
 475 2013-01-16  Ian Bolton  <ian.bolton@arm.com>
 476
 477         * config/aarch64/aarch64.md
 478         (*cstoresi_neg_uxtw): New pattern.
 479         (*cmovsi_insn_uxtw): New pattern.
 480         (*<optab>si3_uxtw): New pattern.
 481         (*<LOGICAL:optab>_<SHIFT:optab>si3_uxtw): New pattern.
 482         (*<optab>si3_insn_uxtw): New pattern.
 483         (*bswapsi2_uxtw): New pattern.
 484
 485 2013-01-16  Richard Biener  <rguenther@suse.de>
 486
 487         * tree-inline.c (tree_function_versioning): Remove set but
 488         never used variable.
 489
 490 2013-01-16  Richard Biener  <rguenther@suse.de>
 491
 492         PR tree-optimization/55964
 493         * tree-flow.h (rename_variables_in_loop): Remove.
 494         (rename_variables_in_bb): Likewise.
 495         * tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
 496         (copy_loop_before): Adjust and delete update-ssa status.
 497         * tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
 498         (rename_variables_in_bb): Likewise.  Properly walk over predecessors.
 499         (rename_variables_in_loop): Remove.
 500         (slpeel_update_phis_for_duplicate_loop): Likewise.
 501         (slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
 502         use available cfg machinery instead of duplicating it.
 503         Update PHI nodes and perform poor-mans SSA update here.
 504         (slpeel_tree_peel_loop_to_edge): Adjust.
 505
 506 2013-01-16  Richard Biener  <rguenther@suse.de>
 507
 508         PR tree-optimization/54767
 509         PR tree-optimization/53465
 510         * tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
 511         (vrp_visit_phi_node): For PHI arguments coming via backedges
 512         drop all symbolical range information.
 513         (execute_vrp): Compute backedges.
 514
 515 2013-01-16  Richard Biener  <rguenther@suse.de>
 516
 517         * doc/install.texi: Update CLooG and ISL requirements to
 518         0.18.0 and 0.11.1.
 519
 520 2013-01-16  Christian Bruel  <christian.bruel@st.com>
 521
 522         PR target/55301
 523         * config/sh/sh.c (sh_expand_prologue): Postpone new_stack mem symbol.
 524         (broken_move): Handle UNSPECV_SP_SWITCH_B.
 525         * config/sh/sh.md (sp_switch_1): Use set (reg:SI SP_REG).
 526
 527 2013-01-16  DJ Delorie  <dj@redhat.com>
 528
 529         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
 530         (UNSPECV_SP_SWITCH_E): New.
 531         (sp_switch_1): Change to an unspec.
 532         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
 533         replace $r15.
 534
 535 2013-01-16  Uros Bizjak  <ubizjak@gmail.com>
 536
 537         * emit-rtl.c (need_atomic_barrier_p): Mask memory model argument
 538         with MEMMODEL_MASK before comparing with MEMMODEL_* memory types.
 539         * optabs.c (maybe_emit_sync_lock_test_and_set): Ditto.
 540         (expand_mem_thread_fence): Ditto.
 541         (expand_mem_signal_fence): Ditto.
 542         (expand_atomic_load): Ditto.
 543         (expand_atomic_store): Ditto.
 544
 545 2013-01-16  Alexandre Oliva <aoliva@redhat.com>
 546
 547         PR rtl-optimization/55547
 548         PR rtl-optimization/53827
 549         PR debug/53671
 550         PR debug/49888
 551         * alias.c (memrefs_conflict_p): Set sizes to negative after
 552         AND adjustments.
 553
 554 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 555
 556         PR target/55940
 557         * function.c (thread_prologue_and_epilogue_insns): Always
 558         add crtl->drap_reg to set_up_by_prologue.set, even if
 559         stack_realign_drap is false.
 560
 561 2013-01-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 562
 563         * config/vax/vax.md (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3,
 564         and<mode>3, *and<mode>_const_int, ior<mode>3, xor<mode>3, ashrsi3,
 565         *call): Fix indention.
 566
 567 2013-01-15  Tom de Vries  <tom@codesourcery.com>
 568
 569         PR target/55876
 570         * optabs.c (widen_operand): Use gen_lowpart instead of gen_rtx_SUBREG.
 571         Update comment.
 572
 573 2013-01-15  Vladimir Makarov  <vmakarov@redhat.com>
 574
 575         PR rtl-optimization/55153
 576         * sched-deps.c (sched_analyze_2): Add pending reads for prefetch.
 577
 578 2013-01-15  Martin Jambor  <mjambor@suse.cz>
 579
 580         PR tree-optimization/55920
 581         * tree-sra.c (analyze_access_subtree): Do not mark non-removable
 582         accesses as grp_to_be_debug_replaced.
 583
 584 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 585
 586         PR tree-optimization/55920
 587         * tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced
 588         there is non-useless type conversion needed from debug rhs to lhs,
 589         use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.
 590
 591 2013-01-15  Joseph Myers  <joseph@codesourcery.com>
 592             Mikael Pettersson  <mikpe@it.uu.se>
 593
 594         PR target/43961
 595         * config/arm/arm.h (ADDR_VEC_ALIGN): Align SImode jump tables for
 596         Thumb.
 597         (ASM_OUTPUT_CASE_LABEL): Remove.
 598         (ASM_OUTPUT_BEFORE_CASE_LABEL): Define to empty.
 599         * final.c (shorten_branches): Update alignment of labels before
 600         jump tables if CASE_VECTOR_SHORTEN_MODE.
 601
 602 2013-01-15  Richard Biener  <rguenther@suse.de>
 603
 604         PR bootstrap/55961
 605         * system.h: Do not include gmp.h for building host tools.
 606
 607 2013-01-15  Richard Biener  <rguenther@suse.de>
 608
 609         PR middle-end/55882
 610         * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
 611         account for bitpos when computing alignment.
 612
 613 2013-01-15  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>
 614
 615         * config/i386/i386-c.c (ix86_target_macros_internal): New case.
 616         (ix86_target_macros_internal): Likewise.
 617
 618         * config/i386/i386.c (m_CORE2I7): Removed.
 619         (m_CORE_HASWELL): New macro.
 620         (m_CORE_ALL): Likewise.
 621         (initial_ix86_tune_features): m_CORE2I7 is replaced by m_CORE_ALL.
 622         (initial_ix86_arch_features): Likewise.
 623         (processor_target_table): Initializations for Core avx2.
 624         (cpu_names): New names "core-avx2".
 625         (ix86_option_override_internal): Changed PROCESSOR_COREI7 by
 626         PROCESSOR_CORE_HASWELL.
 627         (ix86_issue_rate): New case.
 628         (ia32_multipass_dfa_lookahead): Likewise.
 629         (ix86_sched_init_global): Likewise.
 630
 631         * config/i386/i386.h (TARGET_HASWELL): New macro.
 632         (target_cpu_default): New TARGET_CPU_DEFAULT_haswell.
 633         (processor_type): New PROCESSOR_HASWELL.
 634
 635 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 636
 637         PR tree-optimization/55955
 638         * tree-vect-loop.c (vectorizable_reduction): Give up early on
 639         *SHIFT_EXPR and *ROTATE_EXPR codes.
 640
 641         PR tree-optimization/48766
 642         * opts.c (common_handle_option): For -fwrapv disable -ftrapv, for
 643         -ftrapv disable -fwrapv.
 644
 645 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 646
 647         PR target/55974
 648         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
 649         etc. to 1 and not to __flash.
 650         Use LL suffix for __INT24_MAX__ with -mint8.
 651         Use ULL suffix for __UINT24_MAX__ with -mint8.
 652
 653 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 654
 655         * config/avr/avr-arch.h
 656         (struct base_arch_s): Use typedef avr_arch_t instead.
 657         (struct arch_info_s): Use typedef avr_arch_info_t instead.
 658         (struct mcu_type_s): Use typedef avr_mcu_t instead.
 659         * config/avr/avr.c: Same.
 660         * config/avr/avr-devices.c: Same.
 661         * config/avr/driver-avr.c: Same.
 662         * config/avr/gen-avr-mmcu-texi.c: Same.
 663         * config/avr/avr-mcus.def: Adjust comment.
 664
 665 2013-01-14  Tejas Belagod  <tejas.belagod@arm.com>
 666
 667         * config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): New.
 668         * config/aarch64/iterators.md (VALLDI): New.
 669
 670 2013-01-14  Uros Bizjak  <ubizjak@gmail.com>
 671             Andi Kleen  <ak@linux.intel.com>
 672
 673         PR target/55948
 674         * config/i386/sync.md (atomic_store<mode>_1): New pattern.
 675         (atomic_store<mode>): Call atomic_store<mode>_1 for IX86_HLE_RELEASE
 676         memmodel flag.
 677
 678 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 679
 680         * config/avr/avr-stdint.h: Remove trailing blanks.
 681         * config/avr/avr-log.h: Same.
 682         * config/avr/avr-arch.h: Same.
 683         * config/avr/avr-devices.c: Same.
 684         * config/avr/avr-dimode.md: Same.
 685         * config/avr/predicates.md: Same.
 686         * config/avr/avr-c.c: Same.  And fix typo.
 687
 688         * config/avr/avr-protos.h: Same.  And:
 689         (function_arg_regno_p): Rename to avr_function_arg_regno_p.
 690         (init_cumulative_args): Rename to avr_init_cumulative_args.
 691         (expand_prologue): Rename to avr_expand_prologue.
 692         (expand_epilogue): Rename to avr_expand_epilogue.
 693         (adjust_insn_length): Rename to avr_adjust_insn_length.
 694         (notice_update_cc): Rename to avr_notice_update_cc.
 695         (final_prescan_insn): Rename to avr_final_prescan_insn.
 696         * config/avr/avr.c: Same.
 697         * config/avr/avr.h: Same.
 698         * config/avr/avr.md: Remove trailing blanks.
 699         (prologue): Use avr_expand_prologue.
 700         (epilogue, sibcall_epilogue): Use avr_expand_epilogue.
 701
 702 2013-01-14  Richard Biener  <rguenther@suse.de>
 703
 704         * tree-cfg.c (verify_expr_location, verify_expr_location_1,
 705         verify_location, collect_subblocks): New functions.
 706         (verify_gimple_in_cfg): Verify that locations only reference
 707         BLOCKs in the functions BLOCK tree.
 708
 709 2013-01-14  Richard Biener  <rguenther@suse.de>
 710
 711         * tree-cfgcleanup.c (remove_forwarder_block): Unshare propagated
 712         PHI argument.
 713         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Properly
 714         unshare reference.
 715         (insert_out_of_ssa_copy_on_edge): Likewise.
 716         (rewrite_close_phi_out_of_ssa): Likewise.
 717         * tree-ssa.c (insert_debug_temp_for_var_def): Properly unshare
 718         debug expressions.
 719         * tree-ssa-pre.c (insert_into_preds_of_block): Properly unshare
 720         propagated constants.
 721         * tree-cfg.c (tree_node_can_be_shared): Handled component-refs
 722         can not be shared.
 723
 724 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 725
 726         * config/avr/avr-modes.def: Add GPL copyright notice.
 727
 728 2013-01-13  Uros Bizjak  <ubizjak@gmail.com>
 729
 730         * config/i386/sync.md (mem_thread_fence): Mask operands[0] with
 731         MEMMODEL_MASK to determine memory model.
 732         (atomic_store<mode>): Ditto from operands[2].
 733         * config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.
 734
 735 2013-01-13  Jakub Jelinek  <jakub@redhat.com>
 736
 737         PR fortran/55935
 738         * gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
 739         (fold_gimple_assign): Don't call unshare_expr here.
 740         (fold_ctor_reference): Call unshare_expr.
 741
 742 2013-01-13  Terry Guo  <terry.guo@arm.com>
 743
 744         * Makefile.in (s-mlib): New argument MULTILIB_REUSE.
 745         * doc/fragments.texi: Document MULTILIB_REUSE.
 746         * gcc.c (multilib_reuse): New internal spec.
 747         (set_multilib_dir): Also search multilib from multilib_reuse.
 748         * genmultilib (tmpmultilib3): Refactor code.
 749         (tmpmultilib4): Ditto.
 750         (multilib_reuse): New multilib argument.
 751
 752 2013-01-13  Richard Sandiford  <rdsandiford@googlemail.com>
 753
 754         * Makefile.in: Update copyright.
 755
 756 2013-01-12  Tom de Vries  <tom@codesourcery.com>
 757
 758         PR middle-end/55890
 759         * calls.c (expand_call): Check if arg_nr is valid.
 760
 761 2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
 762
 763         * doc/extend.texi (X86 Built-in Functions): Add whitespace in
 764         __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
 765         documentation.  Add missing '__' in front of
 766         __builtin_ia32_packssdw256.
 767
 768 2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 769
 770         PR target/55719
 771         * config/s390/s390.c (s390_preferred_reload_class): Do not return
 772         NO_REGS for larl operands.
 773         (s390_reload_larl_operand): Use s390_load_address instead of
 774         emit_move_insn.
 775
 776 2013-01-11  Richard Biener  <rguenther@suse.de>
 777
 778         * tree-cfg.c (verify_node_sharing_1): Split out from ...
 779         (verify_node_sharing): ... here.
 780         (verify_gimple_in_cfg): Use verify_node_sharing_1 for walk_tree.
 781
 782 2013-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 783
 784         * configure.ac (Tree checking): Set TREECHECKING to yes if enabled.
 785         Substitute TREECHECKING.
 786         * configure: Regenerate.
 787         * Makefile.in (TREECHECKING): New.
 788
 789 2013-01-11  Richard Guenther  <rguenther@suse.de>
 790
 791         PR tree-optimization/44061
 792         * tree-vrp.c (extract_range_basic): Compute zero as
 793         value-range for __builtin_constant_p of function parameters.
 794
 795 2013-01-10  Richard Sandiford  <rdsandiford@googlemail.com>
 796
 797         Update copyright years.
 798
 799 2013-01-10  Vladimir Makarov  <vmakarov@redhat.com>
 800
 801         PR rtl-optimization/55672
 802         * lra-eliminations.c (mark_not_eliminable): Permit addition with
 803         const to be eliminable.
 804
 805 2013-01-10  David Edelsohn  <dje.gcc@gmail.com>
 806
 807         * configure.ac (HAVE_AS_TLS): Add check for powerpc-ibm-aix.
 808         * configure: Regenerate.
 809
 810 2013-01-10  Richard Biener  <rguenther@suse.de>
 811
 812         * builtins.c (expand_builtin_init_trampoline): Use set_mem_attributes.
 813
 814 2013-01-10  Richard Biener  <rguenther@suse.de>
 815
 816         PR bootstrap/55792
 817         * tree-into-ssa.c (rewrite_add_phi_arguments): Do not set
 818         locations for virtual PHI arguments.
 819         (rewrite_update_phi_arguments): Likewise.
 820
 821 2013-01-10  Joel Sherrill  <joel.sherrill@OARcorp.com>
 822
 823         * config/v850/rtems.h (ASM_SPEC): Pass -m8byte-align and -mgcc-abi
 824         on to assembler.
 825
 826 2013-01-10  Jakub Jelinek  <jakub@redhat.com>
 827
 828         PR tree-optimization/55921
 829         * tree-complex.c (expand_complex_asm): New function.
 830         (expand_complex_operations_1): Call it for GIMPLE_ASM.
 831
 832 2013-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 833
 834         PR target/55718
 835         * config/s390/s390.c (s390_symref_operand_p)
 836         (s390_loadrelative_operand_p): Merge the two functions.
 837         (s390_check_qrst_address, print_operand_address): Add parameters
 838         to s390_loadrelative_operand_p invokation.
 839         (s390_check_symref_alignment): Use s390_loadrelative_operand_p.
 840         (s390_reload_larl_operand, s390_secondary_reload): Use
 841         s390_loadrelative_operand_p instead of s390_symref_operand_p.
 842         (legitimize_pic_address): Handle @GOTENT and @PLT + addend.
 843
 844 2013-01-09  Mike Stump  <mikestump@comcast.net>
 845
 846         * dse.c (record_store): Remove unnecessary assert.
 847
 848 2013-01-09  Jan Hubicka  <jh@suse.cz>
 849
 850         PR tree-optimization/55569
 851         * cfgloopmanip.c (scale_loop_profile): Make ITERATION_BOUND gcov_type.
 852         * cfgloop.h (scale_loop_profile): Likewise.
 853
 854 2013-01-09  Jan Hubicka  <jh@suse.cz>
 855
 856         PR lto/45375
 857         * ipa-inline.c (ipa_inline): Remove extern inlines and virtual
 858         functions.
 859         * cgraphclones.c (cgraph_clone_node): Cpoy also LTO file data.
 860
 861 2013-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 862
 863         PR middle-end/55114
 864         * expr.h (maybe_emit_group_store): Declare.
 865         * expr.c (maybe_emit_group_store): New function.
 866         * builtins.c (expand_builtin_int_roundingfn): Call it.
 867         (expand_builtin_int_roundingfn_2): Likewise.
 868
 869 2013-01-09  Vladimir Makarov  <vmakarov@redhat.com>
 870
 871         PR rtl-optimization/55829
 872         * lra-constraints.c (match_reload): Add code for absent output.
 873         (curr_insn_transform): Add code for reloads of matched inputs
 874         without output.
 875
 876 2013-01-09  Uros Bizjak  <ubizjak@gmail.com>
 877
 878         * config/i386/sse.md (*vec_interleave_highv2df): Change mode
 879         attribute of movddup insn to DF.
 880         (*vec_interleave_lowv2df): Ditto.
 881         (vec_dupv2df): Ditto.
 882
 883 2013-01-09  Jan Hubicka  <jh@suse.cz>
 884
 885         PR tree-optimiation/55875
 886         * tree-ssa-loop-niter.c (number_of_iterations_cond): Add
 887         EVERY_ITERATION parameter.
 888         (number_of_iterations_exit): Check if exit is executed every iteration.
 889         (idx_infer_loop_bounds): Similarly here.
 890         (n_of_executions_at_most): Simplify
 891         to only test for cases where statement is dominated by the
 892         particular bound; handle correctly the "postdominance" test.
 893         (scev_probably_wraps_p): Use max loop iterations info
 894         as a global bound first.
 895
 896 2013-01-09  Nguyen Duy Dat  <dat.nguyen.yn@rvc.renesas.com>
 897             Nick Clifton  <nickc@redhat.com>
 898
 899         * config/v850/v850.md (cbranchsf4): New pattern.
 900         (cstoresf4): New pattern.
 901         (cbranchdf4): New pattern.
 902         (cstoredf4): New pattern.
 903         (movsicc): Disallow floating point comparisons.
 904         (cmpsf_le_insn): Fix order of operators.
 905         (cmpsf_lt_insn): Likewise.
 906         (cmpsf_eq_insn): Likewise.
 907         (cmpdf_le_insn): Likewise.
 908         (cmpdf_lt_insn): Likewise.
 909         (cmpdf_eq_insn): Likewise.
 910         (cmpsf_ge_insn): Use LE comparison.
 911         (cmpdf_ge_insn): Likewise.
 912         (cmpsf_gt_insn): Use LT comparison.
 913         (cmpdf_gt_insn): Likewise.
 914         (cmpsf_ne_insn): Delete pattern.
 915         (cmpdf_ne_insn): Delete pattern.
 916         * config/v850/v850.c (v850_gen_float_compare): Use
 917         gen_cmpdf_eq_insn for NE comparison.
 918         (v850_float_z_comparison_operator)
 919         (v850_float_nz_comparison_operator): Move from here ...
 920         * config/v850/predicates.md: ... to here.  Move GT and GE
 921         comparisons into v850_float_z_comparison_operator.
 922         * config/v850/v850-protos.h (v850_float_z_comparison_operator):
 923         Delete prototype.
 924         (v850_float_nz_comparison_operator): Likewise.
 925
 926 2013-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 927
 928         * config/pa/pa.c (pa_emit_move_sequence): Replace calls to gen_insv
 929         with calls to gen_insvsi/gen_insvdi.
 930
 931 2013-01-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 932
 933         * config/i386/i386.c (initial_ix86_tune_features): Set up
 934         X86_TUNE_AVX128_OPTIMAL for m_BTVER2.
 935
 936 2013-01-09  Steven Bosscher  <steven@gcc.gnu.org>
 937             Jakub Jelinek  <jakub@redhat.com>
 938
 939         PR tree-optimization/48189
 940         * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
 941         If nitercst is 0, don't predict the exit edge.
 942
 943 2013-01-08   Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>
 944
 945         * config/aarch64/aarch64.c (aarch64_print_operand): Replace %r
 946         in asm_fprintf with reg_names.
 947         (aarch64_print_operand_address): Likewise.
 948         (aarch64_return_addr): Likewise.
 949         * config/aarch64/aarch64.h (ASM_FPRINTF_EXTENSIONS): Remove.
 950
 951 2013-01-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 952
 953         * config/pa/pa.h (VAL_U6_BITS_P): Define.
 954         (INT_U6_BITS): Likewise.
 955         * config/pa/predicates.md (uint6_operand): New predicate.
 956         (shift5_operand, shift6_operand): Likewise.
 957         * config/pa/pa.md (lshrsi3, rotrsi3): Use shift5_operand instead of
 958         arith32_operand.
 959         (lshrdi3): Use shift6_operand.
 960         (shrpsi4, shrpdi4): New insn patterns.
 961         (extzv): Delete expander.
 962         (extzvsi, extzvdi): New expanders.  Use uint5_operand and uint6_operand
 963         predicates in unamed zero extract patterns.  Tighten common constraint.
 964         (extv): Delete expander.
 965         (extvsi, extvdi): New expanders.  Use uint5_operand and uint6_operand
 966         predicates in unamed sign extract patterns.  Tighten common constraint.
 967         (insv): Delete expander.
 968         (insvsi, insvdi): New expanders.  Use uint5_operand and uint6_operand
 969         predicates in unamed insert patterns.  Tighten common constraint.
 970         Change uint32_operand predicate to uint6_operand predicate in unamed
 971         DImode pattern to insert constant values of type 1...1xxxx.
 972
 973 2013-01-04  Jan Hubicka  <jh@suse.cz>
 974
 975         PR tree-optimization/55823
 976         * ipa-prop.c (update_indirect_edges_after_inlining): Fix ordering
 977         issue.
 978
 979 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
 980             Uros Bizjak  <ubizjak@gmail.com>
 981
 982         PR rtl-optimization/55845
 983         * df-problems.c (can_move_insns_across): Stop scanning at
 984         volatile_insn_p source instruction or give up if
 985         across_from .. across_to range contains any volatile_insn_p
 986         instructions.
 987
 988 2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>
 989
 990         * config/aarch64/aarch64-simd.md (vec_init<mode>): New.
 991         * config/aarch64/aarch64-protos.h (aarch64_expand_vector_init):
 992         Declare.
 993         * config/aarch64/aarch64.c (aarch64_simd_dup_constant,
 994         aarch64_simd_make_constant, aarch64_expand_vector_init): New.
 995
 996 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
 997
 998         PR fortran/55341
 999         * asan.c (asan_clear_shadow): New function.
1000         (asan_emit_stack_protection): Use it.
1001
1002 2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>
1003
1004         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_<su>mult_lo_<mode>,
1005         aarch64_simd_vec_<su>mult_hi_<mode>): Separate instruction and operand
1006         with tab instead of space.
1007
1008 2013-01-08  Nick Clifton  <nickc@redhat.com>
1009
1010         * config/rl78/rl78.c (rl78_expand_prologue): Always select
1011         register bank 0 at the start of an interrupt handler.
1012         * config/rl78/rl78.md (mulsi3_g13): Correct values for MDBL and
1013         MDBH registers.
1014
1015 2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>
1016
1017         * config/aarch64/aarch64-simd.md
1018         (aarch64_simd_bsl<mode>_internal): Add floating-point modes.
1019         (aarch64_simd_bsl): Likewise.
1020         (aarch64_vcond_internal<mode>): Likewise.
1021         (vcond<mode><mode>): Likewise.
1022         (aarch64_cm<cmp><mode>): Fix constraints, add new modes.
1023         * config/aarch64/iterators.md (V_cmp_result): Add V2DF.
1024
1025 2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>
1026
1027         * config/aarch64/aarch64-builtins.c
1028         (aarch64_builtin_vectorized_function): Handle sqrt, sqrtf.
1029
1030 2013-01-08  Martin Jambor  <mjambor@suse.cz>
1031
1032         PR debug/55579
1033         * tree-sra.c (analyze_access_subtree): Return true also after
1034         potentially creating a debug-only replacement.
1035
1036 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
1037
1038         PR middle-end/55890
1039         * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_p.
1040
1041         PR tree-optimization/54120
1042         * tree-vrp.c (range_fits_type_p): Don't allow
1043         src_precision < precision from signed vr to unsigned_p
1044         if vr->min or vr->max is negative.
1045         (simplify_float_conversion_using_ranges): Test can_float_p
1046         against CODE_FOR_nothing.
1047
1048 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
1049             Richard Biener  <rguenther@suse.de>
1050
1051         PR middle-end/55851
1052         * fold-const.c (int_binop_types_match_p): Allow all INTEGRAL_TYPE_P
1053         types instead of just INTEGER_TYPE types.
1054
1055 2013-01-07  Mark Kettenis  <kettenis@openbsd.org>
1056
1057         * config/i386/openbsdelf.h (LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT,
1058         TF_SIZE): Define.
1059
1060 2013-01-07  Steve Ellcey  <sellcey@mips.com>
1061
1062         PR target/42661
1063         * config/mips/mips.opt: Change mad to mmad to match documentation.
1064
1065 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
1066
1067         PR target/55897
1068         * doc/extend.texi (AVR Named Address Spaces): __memx goes into
1069         .progmemx.data now.
1070
1071 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
1072
1073         PR target/55897
1074         * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
1075         (avr_addrspace_t): Add .section_name field.
1076         * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
1077         array size.
1078         (avr_addrspace): Same.  Initialize .section_name.  Remove last
1079         NULL entry.  Put __memx into .progmemx.data.
1080         (progmem_section_prefix): Remove.
1081         (avr_asm_init_sections): No need to initialize progmem_section.
1082         (avr_asm_named_section): Use avr_addrspace[].section_name to get
1083         section name prefix.
1084         (avr_asm_select_section): Ditto.  And use get_unnamed_section to
1085         retrieve the progmem section.
1086         * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
1087         boundary to run over avr_addrspace[].
1088         (avr_register_target_pragmas): Ditto.
1089
1090 2013-01-06  Jakub Jelinek  <jakub@redhat.com>
1091
1092         * varasm.c (output_constant_def_contents): For asan_protect_global
1093         protected strings, adjust DECL_ALIGN if needed, before testing for
1094         anchored symbols.
1095         (place_block_symbol): Adjust size for asan protected STRING_CSTs if
1096         TREE_CONSTANT_POOL_ADDRESS_P.  Increase alignment for asan protected
1097         normal decls.
1098         (output_object_block): For asan protected decls, emit asan padding
1099         after their contents.
1100         * asan.c (asan_protect_global): Don't check TREE_ASM_WRITTEN here.
1101         (asan_finish_file): Test it here instead.
1102
1103 2013-01-07   Nick Clifton  <nickc@redhat.com>
1104              Matthias Klose <doko@debian.org>
1105              Doug Kwan  <dougkwan@google.com>
1106              H.J. Lu  <hongjiu.lu@intel.com>
1107
1108         PR driver/55470
1109         * collect2.c (main): Support -fuse-ld=bfd and -fuse-ld=gold.
1110
1111         * common.opt: Add fuse-ld=bfd and fuse-ld=gold.
1112
1113         * gcc.c (LINK_COMMAND_SPEC): Pass -fuse-ld=* to collect2.
1114
1115         * opts.c (comman_handle_option): Ignore -fuse-ld=bfd and -fuse-ld=gold.
1116
1117         * doc/invoke.texi: Document -fuse-ld=bfd and -fuse-ld=gold.
1118
1119 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
1120
1121         PR target/54461
1122         * doc/install.texi (Cross-Compiler-Specific Options): Document
1123         --with-avrlibc.
1124
1125 2013-01-07  Tejas Belagod  <tejas.belagod@arm.com>
1126
1127         * config/aarch64/arm_neon.h (vmovn_high_is16, vmovn_high_s32,
1128         vmovn_high_s64, vmovn_high_u16, vmovn_high_u32, vmovn_high_u64,
1129         vqmovn_high_s16, vqmovn_high_s32, vqmovn_high_s64, vqmovn_high_u16,
1130         vqmovn_high_u32, vqmovn_high_u64, vqmovun_high_s16, vqmovun_high_s32,
1131         vqmovun_high_s64): Fix source operand number and update copyright.
1132
1133 2013-01-07  Richard Biener  <rguenther@suse.de>
1134
1135         PR middle-end/55890
1136         * gimple.h (gimple_call_builtin_p): New overload.
1137         * gimple.c (validate_call): New function.
1138         (gimple_call_builtin_p): Likewise.
1139         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
1140         Use gimple_call_builtin_p.
1141         (find_func_clobbers): Likewise.
1142         * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
1143         (strlen_optimize_stmt): Likewise.
1144
1145 2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>
1146
1147         * config/aarch64/arm_neon.h (vld1_dup_*): Make argument const.
1148         (vld1q_dup_*): Likewise.
1149         (vld1_*): Likewise.
1150         (vld1q_*): Likewise.
1151         (vld1_lane_*): Likewise.
1152         (vld1q_lane_*): Likewise.
1153
1154 2013-01-07  Richard Biener  <rguenther@suse.de>
1155
1156         * lto-streamer.h (LTO_minor_version): Bump to 2.
1157
1158 2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>
1159
1160         * config/aarch64/aarch64-protos.h
1161         (aarch64_const_double_zero_rtx_p): Rename to...
1162         (aarch64_float_const_zero_rtx_p): ...this.
1163         (aarch64_float_const_representable_p): New.
1164         (aarch64_output_simd_mov_immediate): Likewise.
1165         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): Refactor
1166         move immediate case.
1167         * config/aarch64/aarch64.c
1168         (aarch64_const_double_zero_rtx_p): Rename to...
1169         (aarch64_float_const_zero_rtx_p): ...this.
1170         (aarch64_print_operand): Allow printing of new constants.
1171         (aarch64_valid_floating_const): New.
1172         (aarch64_legitimate_constant_p): Check for valid floating-point
1173         constants.
1174         (aarch64_simd_valid_immediate): Likewise.
1175         (aarch64_vect_float_const_representable_p): New.
1176         (aarch64_float_const_representable_p): Likewise.
1177         (aarch64_simd_imm_zero_p): Also allow for floating-point 0.0.
1178         (aarch64_output_simd_mov_immediate): New.
1179         * config/aarch64/aarch64.md (*movsf_aarch64): Add new alternative.
1180         (*movdf_aarch64): Likewise.
1181         * config/aarch64/constraints.md (Ufc): New.
1182         (Y): call aarch64_float_const_zero_rtx.
1183         * config/aarch64/predicates.md (aarch64_fp_compare_operand): New.
1184
1185 2013-01-07  Richard Biener  <rguenther@suse.de>
1186
1187         PR tree-optimization/55888
1188         PR tree-optimization/55862
1189         * tree-ssa-pre.c (phi_translate_1): Revert previous change.
1190         (valid_in_sets): Check if a NAME has a leader in AVAIL_OUT,
1191         not if it is contained therein.
1192
1193 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
1194
1195         * config/avr/t-avr: Typo.
1196
1197 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
1198
1199         PR55243
1200         * config/avr/t-avr: Don't automatically rebuild
1201         $(srcdir)/config/avr/t-multilib
1202         $(srcdir)/config/avr/avr-tables.opt
1203         $(srcdir)/doc/avr-mmcu.texi
1204         (avr-mcus): New phony target to build them on request.
1205         (s-avr-mlib, s-avr-mmcu-texi): Remove.
1206         * avr/avr-mcus.def: Adjust comments.
1207
1208 2013-01-07  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove.
1211
1212 2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1213
1214         * file-find.c, file-find.h, realmpfr.c: Add FSF as copyright holder.
1215
1216 2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1217
1218         * config/tilepro/gen-mul-tables.cc: Put copyright on one line.
1219
1220 2013-01-05  David Edelsohn  <dje.gcc@gmail.com>
1221
1222         * config/rs6000/aix53.h (LIB_SPEC): Add -lpthreads when compiling
1223         to generate profiling.
1224         * config/rs6000/aix64.h (LIB_SPEC): Same.
1225
1226 2013-01-04  Andrew Pinski  <apinski@cavium.com>
1227
1228         * config/aarch64/aarch64.c (aarch64_fixed_condition_code_regs):
1229         New function.
1230         (TARGET_FIXED_CONDITION_CODE_REGS): Define.
1231
1232 2013-01-04  Uros Bizjak  <ubizjak@gmail.com>
1233
1234         * config/i386/i386.c (ix86_legitimize_address): Call convert_to_mode
1235         unconditionally.
1236         (ix86_expand_move): Ditto.
1237         (ix86_zero_extend_to_Pmode): Ditto.
1238         (ix86_expand_call): Ditto.
1239         (ix86_expand_special_args_builtin): Ditto.
1240         (ix86_expand_builtin): Ditto.
1241
1242 2013-01-04  Richard Biener  <rguenther@suse.de>
1243
1244         PR tree-optimization/55862
1245         * tree-ssa-pre.c (phi_translate_1): Valueize SSA names after
1246         translating them through PHI nodes.
1247
1248 2013-01-04  Martin Jambor  <mjambor@suse.cz>
1249
1250         PR tree-optimization/55755
1251         * tree-sra.c (sra_modify_assign): Do not check that an access has no
1252         children when trying to avoid producing a VIEW_CONVERT_EXPR.
1253
1254 2013-01-04  Marek Polacek  <polacek@redhat.com>
1255
1256         PR middle-end/55859
1257         * opts.c (default_options_optimization): Clarify error message.
1258
1259 2013-01-04  Richard Biener  <rguenther@suse.de>
1260
1261         PR middle-end/55863
1262         * fold-const.c (split_tree): Undo -X - 1 to ~X folding for
1263         reassociation.
1264
1265 2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1266
1267         PR target/53789
1268         * config/pa/pa.md (movsi): Revert previous change.
1269         * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
1270         references.
1271
1272 2013-01-03  Richard Henderson  <rth@redhat.com>
1273
1274         * config/i386/i386.c (ix86_expand_move): Always assign to op1
1275         after eliminating TLS symbols.
1276
1277 2013-01-03  Marc Glisse  <marc.glisse@inria.fr>
1278
1279         PR bootstrap/50167
1280         * graphite-interchange.c (pdr_stride_in_loop): Use gmp_fprintf.
1281         * graphite-poly.c (debug_gmp_value): Likewise.
1282
1283 2013-01-03  Uros Bizjak  <ubizjak@gmail.com>
1284
1285         PR target/55712
1286         * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
1287         selected code model, define __code_mode_small__, __code_model_medium__,
1288         __code_model_large__, __code_model_32__ or __code_model_kernel__.
1289         * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
1290         xchg temporary register with %k.  Declare temporary register as
1291         early clobbered.
1292         [__x86_64__]: For medium and large code models, preserve %rbx register.
1293
1294 2013-01-03  Richard Biener  <rguenther@suse.de>
1295
1296         * tree-data-ref.c (dump_conflict_function): Use less vertical spacing.
1297         (dump_subscript): Adjust.
1298         (finalize_ddr_dependent): Do not dump redundant info.
1299         (analyze_siv_subscript): Adjust.
1300         (subscript_dependence_tester): Likewise.
1301         (compute_affine_dependence): Likewise.
1302
1303 2013-01-03  Richard Biener  <rguenther@suse.de>
1304
1305         Revert
1306         2013-01-03  Richard Biener  <rguenther@suse.de>
1307
1308         PR tree-optimization/55857
1309         * tree-vect-stmts.c (vectorizable_load): Do not setup
1310         re-alignment for invariant loads.
1311
1312         2013-01-02  Richard Biener  <rguenther@suse.de>
1313
1314         * tree-vect-stmts.c (vectorizable_load): When vectorizing an
1315         invariant load do not generate a vector load from the scalar location.
1316
1317 2013-01-03  Richard Biener  <rguenther@suse.de>
1318
1319         * tree-vect-loop.c (vect_analyze_loop_form): Clarify reason
1320         for not vectorizing.
1321         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
1322         not build INDIRECT_REFs, call get_name once only.
1323         (vect_create_data_ref_ptr): Likewise.  Dump base object kind
1324         based on DR_BASE_OBJECT, not DR_BASE_ADDRESS.
1325
1326 2013-01-03  Richard Biener  <rguenther@suse.de>
1327
1328         PR tree-optimization/55857
1329         * tree-vect-stmts.c (vectorizable_load): Do not setup
1330         re-alignment for invariant loads.
1331
1332 2013-01-03  Richard Biener  <rguenther@suse.de>
1333
1334         PR lto/55848
1335         * lto-symtab.c (lto_symtab_merge_decls_1): As last resort, always
1336         prefer a built-in decl.
1337
1338 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
1339
1340         * gcc.c (process_command): Update copyright notice dates.
1341         * gcov.c (print_version): Likewise.
1342         * gcov-dump.c (print_version): Likewise.
1343
1344         PR rtl-optimization/55838
1345         * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
1346         iv0.step, iv1.step and step.
1347
1348 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
1349             Marc Glisse  <marc.glisse@inria.fr>
1350
1351         PR tree-optimization/55832
1352         * fold-const.c (fold_binary_loc): For ABS_EXPR<x> >= 0 and
1353         ABS_EXPR<x> < 0 folding use constant_boolean_node instead of
1354         integer_{one,zero}_node.
1355
1356 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR debug/54402
1359         * params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.
1360         * var-tracking.c (reverse_op): Don't add reverse ops to
1361         VALUEs that have already
1362         PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer locs list.
1363
1364 2013-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
1365
1366         * doc/contrib.texi: Note years as release manager for Mark Mitchell.
1367
1368 2013-01-02  Teresa Johnson  <tejohnson@google.com>
1369
1370         * dumpfile.c (dump_loc): Print filename with location.
1371         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
1372         new location_t parameter to emit complete unroll message with
1373         new dump framework.
1374         (canonicalize_loop_induction_variables): Compute loops location
1375         and pass to try_unroll_loop_completely.
1376         * loop-unroll.c (report_unroll_peel): New function.
1377         (peel_loops_completely): Use new dump format with location
1378         for main dumpfile message, and invoke report_unroll_peel on success.
1379         (decide_unrolling_and_peeling): Ditto.
1380         (decide_peel_once_rolling): Remove old dumpfile message subsumed
1381         by report_unroll_peel.
1382         (decide_peel_completely): Ditto.
1383         (decide_unroll_constant_iterations): Ditto.
1384         (decide_unroll_runtime_iterations): Ditto.
1385         (decide_peel_simple): Ditto.
1386         (decide_unroll_stupid): Ditto.
1387         * cfgloop.c (get_loop_location): New function.
1388         * cfgloop.h (get_loop_location): Declare.
1389
1390 2013-01-02  Sriraman Tallam  <tmsriram@google.com>
1391
1392         * config/i386/i386.c (fold_builtin_cpu): Remove unnecessary checks for
1393         NULL.
1394
1395 2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1396
1397         PR middle-end/55198
1398         * expr.c (expand_expr_real_1): Don't use bitfield extraction for non
1399         BLKmode objects when EXPAND_MEMORY is specified.
1400
1401 2013-01-02  Sriraman Tallam  <tmsriram@google.com>
1402
1403         * config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug
1404         in loop predicate.
1405         (fold_builtin_cpu): Do not share cpu model decls across statements.
1406
1407 2013-01-02  Jason Merrill  <jason@redhat.com>
1408
1409         PR c++/55804
1410         * tree.c (build_array_type_1): Revert earlier change.
1411
1412 2013-01-02  Yufeng Zhang  <yufeng.zhang@arm.com>
1413
1414         * config/aarch64/aarch64-cores.def: Add entries for "cortex-a53" and
1415         "cortex-a57".
1416         * config/aarch64/aarch64-tune.md: Re-generate.
1417
1418 2013-01-02  Richard Biener  <rguenther@suse.de>
1419
1420         * tree-vect-stmts.c (vectorizable_load): When vectorizing an
1421         invariant load do not generate a vector load from the scalar location.
1422
1423 2013-01-02  Richard Biener  <rguenther@suse.de>
1424
1425         PR bootstrap/55784
1426         * configure.ac: Add $GMPINC to CFLAGS/CXXFLAGS.
1427         * configure: Regenerate.
1428
1429 2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1430
1431         * builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2)
1432         (expand_builtin_mathfn_ternary, expand_builtin_mathfn_3)
1433         (expand_builtin_int_roundingfn_2): Keep the original target around
1434         for the fallback case.
1435
1436 2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1437
1438         * tree-vrp.c (range_fits_type_p): Require the MSB of the double_int
1439         to be clear for sign changes.
1440
1441 2013-01-01  Jan Hubicka  <jh@suse.cz>
1442
1443         * ipa-inline-analysis.c: Fix formatting.
1444
1445 2013-01-01  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR tree-optimization/55831
1448         * tree-vect-loop.c (get_initial_def_for_induction): Use
1449         gsi_after_labels instead of gsi_start_bb.
1450 \f
1451 Copyright (C) 2013 Free Software Foundation, Inc.
1452
1453 Copying and distribution of this file, with or without modification,
1454 are permitted in any medium without royalty provided the copyright
1455 notice and this notice are preserved.