gcc/ChangeLog

   1 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
   2
   3         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
   4         * config/rs6000/rs6000.c: Likewise.
   5
   6 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
   7
   8         PR target/51915
   9         * config/arm/arm.c (arm_count_output_move_double_insns): Call
  10         output_move_double on a copy of operands array.
  11
  12 2012-01-20   Cary Coutant  <ccoutant@google.com>
  13              Dodji Seketeli  <dodji@redhat.com>
  14
  15         PR debug/45682
  16         * dwarf2out.c (copy_declaration_context): Return ref to parent
  17         of declaration DIE, if necessary.
  18         (remove_child_or_replace_with_skeleton): Add new parameter; update
  19         caller.  Place skeleton DIE under parent DIE of original declaration.
  20         Move call to copy_declaration_context to here ...
  21         (break_out_comdat_types): ... from here.
  22
  23 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  24
  25         PR rtl-optimization/51856
  26         * reload.c (find_reloads_subreg_address): Set the address_reloaded
  27         flag to reloaded.
  28
  29 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
  30
  31         PR target/51819
  32         * config/arm/arm.c (arm_print_operand): Correct output of alignment
  33         hints for neon loads and stores.
  34
  35 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
  36
  37         PR target/49868
  38         PR target/50887
  39         * doc/extend.texi (Named Address Spaces): Split into subsections.
  40         (AVR Named Address Spaces): New subsection.
  41         (M32C Named Address Spaces): New subsection.
  42         (RL78 Named Address Spaces): New subsection.
  43         (SPU Named Address Spaces): New subsection.
  44         (Variable Attributes): New anchor "AVR Variable Attributes".
  45         (AVR Variable Attributes): Rewrite and avoid wording
  46         "address space" in this context.
  47         * doc/invoke.texi (AVR Options): Rewrite and add documentation
  48         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
  49         (AVR Built-in Macros): New subsubsection therein.
  50         * doc/md.texi (AVR constraints): Remove "C04", "R".
  51
  52 2012-01-20  Richard Guenther  <rguenther@suse.de>
  53
  54         PR tree-optimization/51903
  55         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
  56         when removing stmts.
  57
  58 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
  59
  60         PR target/50313
  61         * config/arm/arm.c (arm_load_pic_register): Use
  62         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
  63         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
  64         (arm_pic_static_addr): Likewise.
  65         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
  66         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
  67         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
  68         (pic_load_addr_unified): New.
  69
  70 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
  71
  72         PR target/51106
  73         * function.c (instantiate_virtual_regs_in_insn): Use
  74         delete_insn_and_edges when removing a wrong asm insn.
  75
  76 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
  77
  78         PR rtl-optimization/40761
  79         * ira-int.h (struct ira_loop_tree_node): Add comment for member
  80         loop.  Add new member loop_num.
  81         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
  82         (ira_build): Remove the parameter.
  83
  84         * ira.c (ira_print_disposition): Use loop_num instead of
  85         loop->num.
  86         (ira.c): Do not build CFG loops for one region allocation.  Remove
  87         argument from ira_build call.
  88
  89         * ira-build.c (init_loop_tree_node): New function.
  90         (create_loop_tree_nodes): Use it.  Separate the case when CFG
  91         loops are not built.
  92         (more_one_region_p): Check current_loops.
  93         (finish_loop_tree_nodes): Separate the case when CFG loops are not
  94         built.
  95         (add_loop_to_tree): Process loop equal to NULL too.
  96         (form_loop_tree): Separate the case when CFG loops are not built.
  97         Use explicitly number for the root.
  98         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
  99         an assertion.
 100         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 101         instead of loop->num.
 102         (mark_loops_for_removal): Ditto.  Use loop_num instead of
 103         loop->num.
 104         (mark_all_loops_for_removal): Ditto.
 105         (remove_unnecessary_regions): Separate the case when CFG loops
 106         are not built.
 107         (ira_build): Remove the parameter.  Use explicit number of regions
 108         when CFG loops are not built.
 109
 110         * ira-color.c (print_loop_title): Separate the case for the root
 111         node.  Use loop_num instead of loop->num.
 112         (move_spill_restore): Use loop_num instead of loop->num.
 113
 114         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 115         (change_loop): Ditto.
 116         (change_loop): Use loop_num instead of loop->num.
 117
 118         * ira-lives.c (process_bb_node_lives): Ditto.
 119
 120         * ira-costs.c (print_allocno_costs, find_costs_and_classes):
 121         Ditto.
 122
 123         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 124
 125 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 126
 127         PR libmudflap/40778
 128         * tree-mudflap.c (mf_artificial): New function.
 129         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 130         mx_register_decls, mudflap_enqueue_decl): Use it.
 131
 132         PR target/51876
 133         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 134         numbers in the insn pattern.
 135
 136 2012-01-19  Michael Matz  <matz@suse.de>
 137
 138         PR tree-optimization/46590
 139         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 140         use it in remembering which conflicts we already created.
 141         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 142         bitmap.
 143
 144 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 145
 146         PR lto/51280
 147         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 148         (merge_and_complain): Same.
 149
 150 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 151
 152         PR bootstrap/50237
 153         * config/initfini-array.h: Guard content of the header
 154         with #ifdef HAVE_INITFINI_ARRAY.
 155         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 156         Add initfini-array.h to tm_file here.
 157         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker
 158         test.
 159         * config.gcc: Don't add initfini-array.h to tm_file here.
 160         * configure: Regenerated.
 161
 162 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 163
 164         PR rtl-optimization/51505
 165         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 166         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 167         (df_note_bb_compute): Update the call to df_kill_notes.
 168
 169 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 170
 171         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 172
 173 2012-01-18  Richard Guenther  <rguenther@suse.de>
 174
 175         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 176         of conversions to void *.
 177
 178 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 179             Richard Sandiford  <rdsandiford@googlemail.com>
 180
 181         PR middle-end/50325
 182         PR middle-end/51192
 183         * optabs.h (simplify_expand_binop): Declare.
 184         * optabs.c (simplify_expand_binop): Make global.
 185         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 186         endian targets if the source cannot be exactly covered by word
 187         mode chunks.
 188
 189 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 190
 191         PR bootstrap/51872
 192         * hard-reg-set.h (struct hard_reg_set_container): New type.
 193         * target.h (struct hard_reg_set_container): Forward declare.
 194         * target.def (set_up_by_prologue): New target hook.
 195         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 196         * doc/tm.texi: Regenerated.
 197         * function.c (thread_prologue_and_epilogue_insns): Change
 198         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 199         Call targetm.set_up_by_prologue on it.
 200         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 201         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 202
 203 2012-01-17  Nick Clifton  <nickc@redhat.com>
 204
 205         * config/rx/rx.c (rx_can_use_simple_return): New function.
 206         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 207         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 208
 209 2012-01-17  Richard Guenther  <rguenther@suse.de>
 210
 211         PR middle-end/51782
 212         * expr.c (expand_assignment): Take address-space information
 213         from the address operand of MEM_REF and TARGET_MEM_REF.
 214         (expand_expr_real_1): Likewise.
 215
 216 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 217
 218         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 219         reload dump is requested.
 220
 221 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 222
 223         PR other/51165
 224         * trans-mem.c (requires_barrier): Call may_be_aliased.
 225
 226 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 227
 228         PR tree-optimization/51877
 229         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 230         call arguments and fndecls compare equal, instead return false if they
 231         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 232         both SSA_NAMEs that are valueized the same, or they satisfy
 233         operand_equal_p.
 234
 235 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 236
 237         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 238         Solaris 11+.
 239         * configure: Regenerate.
 240
 241 2012-01-16  Jan Hubicka  <jh@suse.cz>
 242
 243         PR c/12245
 244         PR c++/14179
 245         * convert.c (convert_to_integer): Use fold_convert for
 246         converting an INTEGER_CST to integer type.
 247
 248 2012-01-16  Jason Merrill  <jason@redhat.com>
 249
 250         PR c++/14179
 251         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 252
 253 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 254
 255         PR bootstrap/51860
 256         * config/s390/s390.c (s390_chunkify_start): Don't skip
 257         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 258         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 259         If insn is followed by NOTE_INSN_VAR_LOCATION or
 260         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 261         Don't use location of note insns.
 262
 263         PR tree-optimization/51865
 264         * tree-inline.c (tree_function_versioning): Call remap_decl
 265         on DECL_RESULT whenever it has VOID_TYPE_P type.
 266
 267 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 268
 269         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 270         for calls to locally-binding MIPS16 functions if only the return
 271         type uses float regs.
 272
 273 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 274             Richard Sandiford  <rdsandiford@googlemail.com>
 275
 276         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 277         (SYMBOL_32_HIGH): Likewise.
 278         (mips_output_tls_reloc_directive): Declare.
 279         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 280         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 281         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 282         (mips_lo_relocs, mips_hi_relocs): Make extern.
 283         (mips16_stub_function): Move up file.
 284         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 285         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 286         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 287         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
 288         of SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1
 289         if it's false.
 290         (mips_get_tp): Add MIPS16 support.
 291         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 292         Generalize DTPREL and TPREL handling.
 293         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 294         Add MIPS16 TLS support.
 295         (mips_output_tls_reloc_directive): New function.
 296         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 297         * config/mips/predicates.md (symbolic_operand_with_high)
 298         (tls_reloc_operand): New predicates.
 299         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 300         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 301         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 302         (*unshifted_high): New instruction.  Use it for MIPS16
 303         high splitter.
 304         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 305         (*tls_get_tp_mips16_call_<mode>): Likewise.
 306
 307 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 308
 309         PR rtl-optimization/51821
 310         * recog.c (peep2_find_free_register): Determine clobbered registers
 311         from insn pattern.
 312
 313 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 314
 315         PR target/50925
 316         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 317         * config/avr/avr.c: Likewise.
 318         * config/avr/avr.h: Likewise.
 319
 320 2012-01-13  Ian Lance Taylor  <iant@google.com>
 321
 322         PR c++/50012
 323         * tree.h (TYPE_QUALS): Add cast to int.
 324         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 325
 326 2012-01-13  Ian Lance Taylor  <iant@google.com>
 327
 328         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 329         comparing param_index to VEC_length result.
 330
 331 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 332
 333         * c-decl.c: Do not include tree-mudflap.h
 334         * tree-optimize.c: Likewise.
 335         * Makefile.in: Update dependencies.
 336
 337 2012-01-13  Richard Guenther  <rguenther@suse.de>
 338
 339         PR middle-end/8081
 340         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 341         variable-sized result always use RSO.
 342
 343 2012-01-12  DJ Delorie  <dj@redhat.com>
 344
 345         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 346         pointer type, not just the default pointer type.
 347
 348 2012-01-09  Richard Henderson  <rth@redhat.com>
 349             Denis Chertykov  <chertykov@gmail.com>
 350
 351         PR target/50925
 352         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 353         * config/avr/avr.c (avr_can_eliminate): Simplify.
 354         (avr_initial_elimination_offset): Likewise.
 355         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 356         (expand_epilogue): Likewise.
 357         (avr_legitimize_address): Gut.
 358         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 359         (avr_hard_regno_nregs): New.
 360         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 361         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 362         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 363         add soft frame pointer.
 364         (CALL_USED_REGISTERS): Likewise.
 365         (REG_CLASS_CONTENTS): Likewise.
 366         (REGISTER_NAMES): Likewise.
 367         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 368         (HARD_FRAME_POINTER_REGNUM): New.
 369         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 370         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 371         remove the HARD_FRAME_POINTER self-elimination.
 372
 373 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 374
 375         PR target/51756
 376         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 377         DECL_EXTERNAL when checking for initializers of progmem variables.
 378
 379 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 380
 381         PR tree-optimization/51799
 382         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 383         that the last operation is a type demotion.
 384
 385 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 386
 387         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 388         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 389
 390 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 391
 392         PR bootstrap/51796
 393         * combine.c (distribute_notes): If i3 is a noreturn call,
 394         allow old_size to be equal to args_size and make sure the
 395         noreturn call gets REG_ARGS_SIZE note.
 396         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 397         on noreturn calls even when the delta is 0.
 398
 399 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 400
 401         * gcov.c (STRING_SIZE): Remove.
 402         (generate_results): Erase annotations for source files with no
 403         coverage information.
 404         (read_line): New.
 405         (output_lines): Use it.
 406
 407 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 408
 409         * gimple.h (gimplify_body): Remove first argument.
 410         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 411         pointer set here, instead just pass DATA to walk_tree.
 412         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 413         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 414         (unvisit_body): Likewise, but with unmark_visited.
 415         (gimplify_body): Remove BODY_P argument and adjust.
 416         (gimplify_function_tree): Adjust call to gimplify_body.
 417         * omp-low.c (finalize_task_copyfn): Likewise.
 418
 419 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 420
 421         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 422         (build_function_type_skip_args): Delete.
 423         * tree.c (build_function_type_skip_args): Make static and add
 424         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 425         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 426         pass it to build_function_type_skip_args.
 427         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 428         (tree_function_versioning): Likewise.
 429         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 430         build_function_decl_skip_args.
 431         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 432         and pass it to build_function_decl_skip_args/tree_function_versioning.
 433         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 434         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 435         * trans-mem.c (ipa_tm_create_version): Likewise.
 436         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 437         * tree-inline.c (declare_return_variable): Remove always-true test.
 438         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 439         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 440         * ipa-split.c (split_function): Skip the return value for the split
 441         part if it doesn't return.
 442
 443 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 444
 445         PR tree-optimization/49642
 446         * ipa-split.c (forbidden_dominators): New variable.
 447         (check_forbidden_calls): New function.
 448         (dominated_by_forbidden): Likewise.
 449         (consider_split): Check for forbidden dominators.
 450         (execute_split_functions): Initialize and free forbidden
 451         dominators info; call check_forbidden_calls.
 452
 453 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 454
 455         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 456
 457 2012-01-11  Nick Clifton  <nickc@redhat.com>
 458
 459         * config/rx/rx.md (return): Define pattern.
 460
 461 2012-01-11  Richard Guenther  <rguenther@suse.de>
 462
 463         * doc/extend.texi (malloc attribute): Adjust according to
 464         implementation.
 465
 466 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 467             Patrick Marlier  <patrick.marlier@gmail.com>
 468
 469         PR middle-end/51516
 470         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 471         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 472         (ipa_tm_note_irrevocable): Same.
 473         (ipa_tm_scan_irr_block): Same.
 474         (ipa_tm_decrement_clone_counts): Same.
 475         (ipa_tm_scan_irr_function): Same.
 476         (ipa_tm_create_version_alias): Same.
 477         (ipa_tm_create_version): Same.
 478         (ipa_tm_transform_calls_redirect): Same.
 479         (ipa_tm_transform_calls): Same.
 480         (ipa_tm_transform_transaction): Same.
 481         (ipa_tm_execute): Same.
 482
 483 2012-01-10  Richard Guenther  <rguenther@suse.de>
 484
 485         PR middle-end/51806
 486         * opts.c (common_handle_option): Handle -Werror.
 487
 488 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 489
 490         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 491         operand number.
 492
 493 2012-01-10  Jason Merrill  <jason@redhat.com>
 494
 495         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 496         information.
 497
 498 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 499
 500         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 501         supports R_386_TLS_GD_PLT reloc.
 502         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 503         supports R_386_TLS_LDM_PLT reloc.
 504         * configure: Regenerate.
 505         * config.in: Regenerate.
 506
 507 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 508
 509         PR target/49868
 510         Extend __pgmx semantics to linearize memory.
 511         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 512         determine if code comes inline or from libgcc.
 513         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 514         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 515         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 516         (movmemx_qi, movmemx_hi): New insns.
 517         (xload_<mode>_libgcc): Rewrite to new insn condition.
 518         (xload_<mode>): Remove insns.
 519         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 520         cases that don't satisfy avr_xload_libgcc_p().
 521         (avr_addr_space_convert): Allow converting in any direction.
 522         (avr_addr_space_subset_p): Return always true.
 523         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 524         (avr_emit_movmemhi): Ditto.
 525         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 526         (avr_out_movmem): Ditto.
 527         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 528         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 529         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 530         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 531         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 532
 533 2012-01-10  Richard Guenther  <rguenther@suse.de>
 534
 535         PR tree-optimization/50913
 536         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 537         Require data-refs to be representable by Graphite with respect
 538         to any loop nest.
 539
 540 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 541
 542         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 543         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 544
 545 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 546
 547         PR rtl-optimization/51271
 548         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 549         handling annulled branch.
 550
 551 2012-01-10  Richard Henderson  <rth@redhat.com>
 552
 553         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 554         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 555         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 556         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 557         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 558         arm_expand_vec_perm_const): New.
 559         * config/arm/arm-protos.h: Update.
 560         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 561         (*neon_vswp<VDQX>): New.
 562         (neon_vcombine<VDX>): Use neon_split_vcombine.
 563         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 564         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 565         (vec_perm<VE>): New.
 566
 567 2012-01-10  Richard Henderson  <rth@redhat.com>
 568
 569         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 570         use it if reload_completed.
 571         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 572         arm_output_asm_insn, arm_process_output_memory_barrier,
 573         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 574         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 575         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 576         arm_process_output_sync_insn, arm_output_sync_insn,
 577         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 578         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 579         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 580         (emit_unlikely_jump): New.
 581         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 582         (arm_split_atomic_op): New.
 583         * config/arm/arm-protos.h: Update.
 584         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 585         (struct arm_sync_generator): Remove.
 586         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 587         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 588         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 589         (VUNSPEC_LL, VUNSPEC_SC): New.
 590         (sync_result, sync_memory, sync_required_value, sync_new_value,
 591         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 592         (attr length): Don't use arm_sync_loop_insns.
 593         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 594         (movsfcc, movdfcc): Likewise.
 595         * config/arm/constraints.md (Ua): New.
 596         * config/arm/prediates.md (mem_noofs_operand): New.
 597         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 598         (sync_clobber, sync_t2_reqd): Remove.
 599         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 600         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 601         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 602         (arm_sync_compare_and_swap<SIDI>): Remove.
 603         (arm_sync_compare_and_swap<NARROW>): Remove.
 604         (arm_sync_lock_test_and_set<SIDI>): Remove.
 605         (arm_sync_lock_test_and_set<NARROW>): Remove.
 606         (arm_sync_new_<syncop><SIDI>): Remove.
 607         (arm_sync_new_<syncop><NARROW>): Remove.
 608         (arm_sync_new_nand<SIDI>): Remove.
 609         (arm_sync_new_nand<NARROW>): Remove.
 610         (arm_sync_old_<syncop><SIDI>): Remove.
 611         (arm_sync_old_<syncop><NARROW>): Remove.
 612         (arm_sync_old_nand<SIDI>): Remove.
 613         (arm_sync_old_nand<NARROW>): Remove.
 614         (*memory_barrier): Merge arm_output_memory_barrier.
 615         (atomic_compare_and_swap<QHSD>): New.
 616         (atomic_compare_and_swap<NARROW>_1): New.
 617         (atomic_compare_and_swap<SIDI>_1): New.
 618         (atomic_exchange<QHSD>): New.
 619         (cas_cmp_operand, cas_cmp_str): New.
 620         (atomic_op_operand, atomic_op_str): New.
 621         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 622         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 623         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 624         (arm_load_exclusive<NARROW>): New.
 625         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 626         (arm_store_exclusive<QHSD>): New.
 627
 628 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 629
 630         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 631         reload patterns if -mvsx-scalar-memory.
 632
 633         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 634         generated, even -mno-vsx-scalar-double was used.
 635         (vsx_xscvdpsp_scalar): Likewise.
 636         (vsx_xscvspdp_scalar2): Likewise.
 637
 638 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 639             Andrew Pinski  <apinski@cavium.com>
 640
 641         PR debug/51471
 642         * reorg.c (fill_slots_from_thread): Don't speculate
 643         frame-related insns.
 644
 645 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 646
 647         * sched-int.h (bb_note): Move to...
 648         * basic-block.h: ...here.
 649         * haifa-sched.c (bb_note): Move to...
 650         * cfgrtl.c: ...here.
 651         * function.c (next_block_for_reg): New function.
 652         (move_insn_for_shrink_wrap): Likewise.
 653         (prepare_shrink_wrap): Rewrite to use the above.
 654
 655 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 656
 657         * gimple.c (is_gimple_non_addressable): Remove.
 658         * gimple.h: Remove is_gimple_non_addressable.
 659         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 660         is_gimple_non_addressable.
 661         * trans-mem.c (expand_assign_tm): Same.
 662
 663 2012-01-09  Richard Guenther  <rguenther@suse.de>
 664
 665         PR tree-optimization/51775
 666         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 667         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 668
 669 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 670
 671         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 672         tuning parameters.
 673         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 674
 675 2012-01-09  Richard Guenther  <rguenther@suse.de>
 676
 677         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 678
 679 2012-01-08  Jan Hubicka  <jh@suse.cz>
 680
 681         PR tree-optimize/51680
 682         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 683         on when known_vals needs to be computed; cleanup.
 684
 685 2012-01-08  Jan Hubicka  <jh@suse.cz>
 686
 687         PR tree-optimize/51694
 688         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 689
 690 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 691
 692         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 693         for -std=c++98 and -std=c++11 too.
 694
 695 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 696
 697         * cfgloop.c (cancel_loop): Add free() of bbs array.
 698
 699 2012-01-07  Jan Hubicka  <jh@suse.cz>
 700
 701         PR tree-optimization/51600
 702         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 703         that benefits small functions.
 704
 705 2012-01-07  Jan Hubicka  <jh@suse.cz>
 706
 707         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 708
 709 2012-01-07  Jan Hubicka  <jh@suse.cz>
 710
 711         PR tree-optimization/51680
 712         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 713         whose inlining reduce unit size.
 714
 715 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 716
 717         PR bootstrap/51725
 718         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 719         Add canonical node to containing_mem chain after the non-canonical
 720         one, even if there weren't any locs to propagate.
 721         (remove_useless_values): Keep only canonical values.
 722         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 723         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 724         canonicalize mem_chain elements that are not discarded.
 725
 726 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 727
 728         PR target/47333
 729         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 730         before emitting functions.
 731
 732         PR gcov-profile/50127
 733         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 734         clear_aux_for_blocks.
 735
 736 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 737
 738         PR debug/51746
 739         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 740
 741 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 742
 743         * c-decl.c (ext_block): Moved up.
 744         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 745
 746 2012-01-06  Han Shen  <shenhan@google.com>
 747
 748         Translate built-in include paths for sysroot.
 749         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 750         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 751
 752         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 753         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 754
 755         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 756         control whether sysroot should be prepended to gxx include dir.
 757
 758         * configure: Regenerate.
 759
 760 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 761
 762         PR rtl-optimization/51771
 763         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 764         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 765
 766 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 767
 768         PR tree-optimization/51315
 769         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 770         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 771
 772 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 773
 774         PR target/51681
 775         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 776         for shrp pattern.  Correctly handle and fixup shift variable.
 777         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 778
 779 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 780
 781         PR debug/51762
 782         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 783         note when !ACCUMULATE_OUTGOING_ARGS.
 784
 785 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 786
 787         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 788         condition.
 789         (extract_range_from_unary_expr_1): Avoid useless computations.
 790
 791 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 792
 793         PR rtl-optimization/51767
 794         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 795         of jump_block and add an extra edge for degenerated asm gotos.
 796
 797         PR middle-end/51768
 798         * stmt.c (check_unique_operand_names): Don't ICE during error
 799         reporting if i is from labels chain.
 800
 801         PR middle-end/44777
 802         * profile.c (branch_prob): Split bbs that have exit edge
 803         and need a fake entry edge too.
 804
 805 2012-01-05  Jan Hubicka  <jh@suse.cz>
 806
 807         PR middle-end/49710
 808         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 809         unlooping loops.
 810
 811 2012-01-05  Richard Guenther  <rguenther@suse.de>
 812
 813         PR lto/50490
 814         * tree-streamer-out.c (write_ts_optimization): New function.
 815         (streamer_write_tree_body): Call it.
 816         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 817         (streamer_read_tree_body): Call it.
 818         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 819
 820 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 821
 822         PR middle-end/51761
 823         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 824         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 825         in_cleanup_point_expr before gimplify_stmt call and restore it
 826         afterwards.
 827         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 828         in_cleanup_point_expr is false.
 829
 830 2012-01-05  Richard Guenther  <rguenther@suse.de>
 831
 832         PR middle-end/51764
 833         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 834         to c.opt.
 835         * toplev.c (process_options): Reject combining mudflap and LTO.
 836         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 837
 838 2012-01-05  Richard Guenther  <rguenther@suse.de>
 839
 840         PR tree-optimization/51760
 841         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 842         not VARYING.
 843         (bit_value_unop): Handle UNDEFINED operands.
 844         (bit_value_binop): Likewise.
 845
 846 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 847
 848         * config/avr/avr.c (avr_replace_prefix): Remove.
 849         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 850         (avr_asm_function_rodata_section): Ditto.
 851         (avr_asm_select_section): Ditto.
 852
 853 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 854
 855         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 856         insertion.
 857
 858 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 859
 860         PR bootstrap/51648
 861         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 862         calls that have any non-fake successor edges.
 863
 864         PR debug/51746
 865         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 866
 867 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 868
 869         PR tree-optimization/51624
 870         * tree-sra.c (build_ref_for_model): When replicating a chain of
 871         COMPONENT_REFs, stop as soon as the offset would become negative.
 872
 873 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 874
 875         PR debug/51695
 876         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 877         in .debug_loc on the floor.
 878
 879 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 880
 881         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 882
 883 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 884             Adam Nemet  <anemet@caviumnetworks.com>
 885
 886         * config/mips/mips.md (size): Add SI and DI.
 887         (SIZE): New mode attribute.
 888         (U): New code attribute.
 889         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 890         (mips_lbux_<mode>): Delete.
 891         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 892         (mips_lhx): Use gen_mips_lhx_extsi.
 893         (mips_lhx_<mode>): Delete.
 894         (mips_lwx): Delete.
 895         (mips_l<size>x): New expand.
 896         (mips_lwx_<mode>): Delete.
 897         (mips_l<GPR:size>x_<P:mode>): New pattern.
 898         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 899         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 900         * config/mips/mips.c (mips_lx_address_p): New function.
 901         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 902         (dsp64): New availability predicate.
 903         (mips_builtins): Add an entry for __builtin_mips_ldx.
 904         * config/mips/mips.h (ISA_HAS_LBX): New define.
 905         (ISA_HAS_LBUX): Likewise.
 906         (ISA_HAS_LHX): Likewise.
 907         (ISA_HAS_LHUX): Likewise.
 908         (ISA_HAS_LWX): Likewise.
 909         (ISA_HAS_LWUX): Likewise.
 910         (ISA_HAS_LDX): Likewise.
 911         * doc/extend.texi (__builtin_mips_ldx): Document.
 912
 913 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 914
 915         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 916         when long pointers are used.
 917         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 918         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 919         (ia64-hp-*vms*): Remove.
 920         * config/vms/xm-vms64.h: Delete.
 921
 922 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 923
 924         PR middle-end/51472
 925         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 926
 927 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 928
 929         * opts.c (finish_options): Remove duplicate sorry.
 930
 931 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 932
 933         PR middle-end/51696
 934         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 935         correctly.
 936
 937 2012-01-04  Richard Guenther  <rguenther@suse.de>
 938
 939         PR middle-end/51750
 940         * tree.c (size_low_cst): New function.
 941         * tree.h (size_low_cst): Declare.
 942         * fold-const.c (fold_comparison): Use it to extract the low
 943         part of the POINTER_PLUS_EXPR offset.
 944
 945 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 946
 947         Fix clearing ZERO_REG
 948         * config/avr/avr.md (cc): Add alternative "ldi".
 949         (movqi_insn): Use it in cc attribute.
 950         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 951         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 952         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 953
 954 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 955
 956         * configure: Regenerate.
 957
 958 2012-01-04  Richard Guenther  <rguenther@suse.de>
 959
 960         PR tree-optimization/49651
 961         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 962         (var_can_have_subvars): Use it.
 963         (get_constraint_for_1): Only consider subfields if there can be any.
 964
 965 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 966
 967         PR bootstrap/51725
 968         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 969         to its new canonical_cselib_val and the cselib_val was in
 970         first_containing_mem chain, but the canonical_cselib_val was not,
 971         add the latter into the chain.
 972         (cselib_invalidate_mem): Compare canonical_cselib_val of
 973         addr_list chain elt with v.
 974
 975         PR pch/51722
 976         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 977         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 978         of xstrdup.
 979         (output_macinfo_op): Don't ggc_strdup fd->filename.
 980         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 981         then ggc_strdup it.  Don't free inc->info or cur->info.
 982         (output_macinfo): Don't free ref->info or file->info.
 983
 984 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 985
 986         PR tree-optimization/51269
 987         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 988         first_niters a pointer.
 989         (slpeel_tree_peel_loop_to_edge): Likewise.
 990         (vect_do_peeling_for_loop_bound): Update call to
 991         slpeel_tree_peel_loop_to_edge.
 992         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 993         here.  Remove it from the parameters list.
 994         (vect_do_peeling_for_alignment): Update calls and compute
 995         wide_prolog_niters.
 996
 997 2012-01-03  Richard Guenther  <rguenther@suse.de>
 998
 999         PR tree-optimization/51070
1000         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1001         Properly handle calls.
1002
1003 2012-01-03  Richard Guenther  <rguenther@suse.de>
1004
1005         PR tree-optimization/51692
1006         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1007         the LHS of allocation stmts.
1008
1009 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1010
1011         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1012
1013 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1014
1015         * collect2.c (main): In AIX specific computations for vector
1016         insertions, use CONST_CAST2 to cast from char ** to const char **.
1017
1018 2012-01-03  Richard Guenther  <rguenther@suse.de>
1019
1020         PR debug/51650
1021         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1022         the context of a limbo DIE when it does not already exist.
1023
1024 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR tree-optimization/51719
1027         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1028         but direct call is, clear direct call's lhs and don't add fallthrough
1029         edge from dcall_bb to join_bb and PHIs.
1030
1031 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1032
1033         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1034         the instructions emitted by the pattern.
1035         ("*TDC_insn_<mode>"): Add comment.
1036
1037 2012-01-03  Richard Guenther  <rguenther@suse.de>
1038
1039         PR middle-end/51730
1040         * fold-const.c (fold_comparison): Properly canonicalize
1041         tree offset and HOST_WIDE_INT bit position.
1042
1043 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1044
1045         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1046         operands for extzv pattern.
1047
1048 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR bootstrap/51725
1051         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1052         on mem_elt first.
1053
1054 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1055
1056         * doc/invoke.texi (-flto and related options): Copy-edit.
1057
1058 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1059
1060         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1061
1062 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1063
1064         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1065         New patterns.
1066
1067 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1068
1069         * expr.h (move_by_pieces_ninsns): Declare.
1070         * expr.c (move_by_pieces_ninsns): Make external.
1071         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1072         (mips_store_by_pieces_p): Likewise.
1073         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1074         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1075         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1076         (mips_store_by_pieces_p): Likewise.
1077
1078 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1079
1080         * passes.c (register_one_dump_file): Free full_name.
1081
1082         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1083         (calculate_elim_costs_all_insns): Free offsets_at and
1084         offsets_known_at at the end and clear the pointers.
1085
1086 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1087
1088         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1089         this option introduced in r180739.
1090
1091 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1092
1093         PR target/51345
1094         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1095         (tmake_file target=avr): Add avr/t-multilib.
1096
1097         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1098         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1099         * config/avr/genmultilib.awk: New file.
1100         * config/avr/t-multilib: New auto-generated file.
1101         * config/avr/multilib.h: New auto-generated file.
1102         * config/avr/t-avr (AVR_MCUS): New variable.
1103         (genopt.sh): Use it.
1104         (s-mlib): Depend on t-multilib.
1105         (t-multilib, multilib.h): New dependencies.
1106         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1107         (MULTILIB_OPTIONS): Remove.
1108         (MULTILIB_MATCHES): Remove.
1109         (MULTILIB_DIRNAMES): Remove.
1110         (MULTILIB_EXCEPTIONS): Remove:
1111         * config/avr/genopt.sh: Don't use hard coded file name;
1112         pass AVR_MCUS from t-avr instead.
1113
1114 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1115
1116         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1117
1118 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1119
1120         Implement light-weight DImode support.
1121         * config/avr/avr-dimode.md: New file.
1122         * config/avr/avr.md: Include it.
1123         (adjust_len): Add plus64, compare64.
1124         (HIDI): Remove code iterator.
1125         (code_stdname): New code attribute.
1126         (rotx, rotsmode): Remove DI.
1127         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1128         as code iterator.
1129         * config/avr/avr-protos.h (avr_have_dimode): New.
1130         (avr_out_plus64, avr_out_compare64): New.
1131         * config/avr/avr.c (avr_out_compare): Handle DImode.
1132         (avr_have_dimode): New variable definition and initialization.
1133         (avr_out_compare64, avr_out_plus64): New functions.
1134         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1135         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1136         (avr_compare_pattern): Skip DImode comparisons.
1137
1138 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1139
1140         * ddg.c (def_has_ccmode_p): New function.
1141         (add_cross_iteration_register_deps,
1142         create_ddg_dep_from_intra_loop_link): Call it.
1143
1144 2012-01-02  Richard Guenther  <rguenther@suse.de>
1145
1146         PR other/51679
1147         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1148
1149 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1150
1151         * gcc.c (process_command): Update copyright notice dates.
1152         * gcov.c (print_version): Likewise.
1153         * gcov-dump.c (print_version): Likewise.
1154         * mips-tfile.c (main): Likewise.
1155         * mips-tdump.c (main): Likewise.
1156
1157 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1158
1159         PR tree-optimization/51704
1160         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1161         a use is inside the basic block or loop before accessing its vect info.
1162
1163 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1164
1165         PR rtl-optimization/51069
1166         * cfgloopmanip.c (remove_path): Removing path making irreducible
1167         region unconditional makes BB part of the region.
1168
1169 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1170
1171         PR tree-optimization/51683
1172         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1173         calls with side-effects.
1174         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1175 \f
1176 Copyright (C) 2012 Free Software Foundation, Inc.
1177
1178 Copying and distribution of this file, with or without modification,
1179 are permitted in any medium without royalty provided the copyright
1180 notice and this notice are preserved.