gcc/ChangeLog

   1 2012-01-13  Ian Lance Taylor  <iant@google.com>
   2
   3         PR c++/50012
   4         * tree.h (TYPE_QUALS): Add cast to int.
   5         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
   6
   7 2012-01-13  Ian Lance Taylor  <iant@google.com>
   8
   9         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
  10         comparing param_index to VEC_length result.
  11
  12 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
  13
  14         * c-decl.c: Do not include tree-mudflap.h
  15         * tree-optimize.c: Likewise.
  16         * Makefile.in: Update dependencies.
  17
  18 2012-01-13  Richard Guenther  <rguenther@suse.de>
  19
  20         PR middle-end/8081
  21         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
  22         variable-sized result always use RSO.
  23
  24 2012-01-12  DJ Delorie  <dj@redhat.com>
  25
  26         * cfgexpand.c (convert_debug_memory_address): Allow any valid
  27         pointer type, not just the default pointer type.
  28
  29 2012-01-09  Richard Henderson  <rth@redhat.com>
  30             Denis Chertykov  <chertykov@gmail.com>
  31
  32         PR target/50925
  33         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
  34         * config/avr/avr.c (avr_can_eliminate): Simplify.
  35         (avr_initial_elimination_offset): Likewise.
  36         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
  37         (expand_epilogue): Likewise.
  38         (avr_legitimize_address): Gut.
  39         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
  40         (avr_hard_regno_nregs): New.
  41         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
  42         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
  43         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
  44         add soft frame pointer.
  45         (CALL_USED_REGISTERS): Likewise.
  46         (REG_CLASS_CONTENTS): Likewise.
  47         (REGISTER_NAMES): Likewise.
  48         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
  49         (HARD_FRAME_POINTER_REGNUM): New.
  50         (FRAME_POINTER_REGNUM): Use soft frame pointer.
  51         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
  52         remove the HARD_FRAME_POINTER self-elimination.
  53
  54 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
  55
  56         PR target/51756
  57         * config/avr/avr.c (avr_encode_section_info): Test for absence of
  58         DECL_EXTERNAL when checking for initializers of progmem variables.
  59
  60 2012-01-12  Ira Rosen  <irar@il.ibm.com>
  61
  62         PR tree-optimization/51799
  63         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
  64         that the last operation is a type demotion.
  65
  66 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
  67
  68         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
  69         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
  70
  71 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
  72
  73         PR bootstrap/51796
  74         * combine.c (distribute_notes): If i3 is a noreturn call,
  75         allow old_size to be equal to args_size and make sure the
  76         noreturn call gets REG_ARGS_SIZE note.
  77         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
  78         on noreturn calls even when the delta is 0.
  79
  80 2012-01-11  Nathan Sidwell  <nathan@acm.org>
  81
  82         * gcov.c (STRING_SIZE): Remove.
  83         (generate_results): Erase annotations for source files with no
  84         coverage information.
  85         (read_line): New.
  86         (output_lines): Use it.
  87
  88 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
  89
  90         * gimple.h (gimplify_body): Remove first argument.
  91         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
  92         pointer set here, instead just pass DATA to walk_tree.
  93         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
  94         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
  95         (unvisit_body): Likewise, but with unmark_visited.
  96         (gimplify_body): Remove BODY_P argument and adjust.
  97         (gimplify_function_tree): Adjust call to gimplify_body.
  98         * omp-low.c (finalize_task_copyfn): Likewise.
  99
 100 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 101
 102         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 103         (build_function_type_skip_args): Delete.
 104         * tree.c (build_function_type_skip_args): Make static and add
 105         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 106         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 107         pass it to build_function_type_skip_args.
 108         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 109         (tree_function_versioning): Likewise.
 110         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 111         build_function_decl_skip_args.
 112         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 113         and pass it to build_function_decl_skip_args/tree_function_versioning.
 114         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 115         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 116         * trans-mem.c (ipa_tm_create_version): Likewise.
 117         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 118         * tree-inline.c (declare_return_variable): Remove always-true test.
 119         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 120         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 121         * ipa-split.c (split_function): Skip the return value for the split
 122         part if it doesn't return.
 123
 124 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 125
 126         PR tree-optimization/49642
 127         * ipa-split.c (forbidden_dominators): New variable.
 128         (check_forbidden_calls): New function.
 129         (dominated_by_forbidden): Likewise.
 130         (consider_split): Check for forbidden dominators.
 131         (execute_split_functions): Initialize and free forbidden
 132         dominators info; call check_forbidden_calls.
 133
 134 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 135
 136         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 137
 138 2012-01-11  Nick Clifton  <nickc@redhat.com>
 139
 140         * config/rx/rx.md (return): Define pattern.
 141
 142 2012-01-11  Richard Guenther  <rguenther@suse.de>
 143
 144         * doc/extend.texi (malloc attribute): Adjust according to
 145         implementation.
 146
 147 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 148             Patrick Marlier  <patrick.marlier@gmail.com>
 149
 150         PR middle-end/51516
 151         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 152         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 153         (ipa_tm_note_irrevocable): Same.
 154         (ipa_tm_scan_irr_block): Same.
 155         (ipa_tm_decrement_clone_counts): Same.
 156         (ipa_tm_scan_irr_function): Same.
 157         (ipa_tm_create_version_alias): Same.
 158         (ipa_tm_create_version): Same.
 159         (ipa_tm_transform_calls_redirect): Same.
 160         (ipa_tm_transform_calls): Same.
 161         (ipa_tm_transform_transaction): Same.
 162         (ipa_tm_execute): Same.
 163
 164 2012-01-10  Richard Guenther  <rguenther@suse.de>
 165
 166         PR middle-end/51806
 167         * opts.c (common_handle_option): Handle -Werror.
 168
 169 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 170
 171         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 172         operand number.
 173
 174 2012-01-10  Jason Merrill  <jason@redhat.com>
 175
 176         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 177         information.
 178
 179 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 180
 181         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 182         supports R_386_TLS_GD_PLT reloc.
 183         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 184         supports R_386_TLS_LDM_PLT reloc.
 185         * configure: Regenerate.
 186         * config.in: Regenerate.
 187
 188 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 189
 190         PR target/49868
 191         Extend __pgmx semantics to linearize memory.
 192         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 193         determine if code comes inline or from libgcc.
 194         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 195         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 196         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 197         (movmemx_qi, movmemx_hi): New insns.
 198         (xload_<mode>_libgcc): Rewrite to new insn condition.
 199         (xload_<mode>): Remove insns.
 200         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 201         cases that don't satisfy avr_xload_libgcc_p().
 202         (avr_addr_space_convert): Allow converting in any direction.
 203         (avr_addr_space_subset_p): Return always true.
 204         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 205         (avr_emit_movmemhi): Ditto.
 206         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 207         (avr_out_movmem): Ditto.
 208         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 209         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 210         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 211         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 212         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 213
 214 2012-01-10  Richard Guenther  <rguenther@suse.de>
 215
 216         PR tree-optimization/50913
 217         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 218         Require data-refs to be representable by Graphite with respect
 219         to any loop nest.
 220
 221 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 222
 223         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 224         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 225
 226 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 227
 228         PR rtl-optimization/51271
 229         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 230         handling annulled branch.
 231
 232 2012-01-10  Richard Henderson  <rth@redhat.com>
 233
 234         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 235         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 236         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 237         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 238         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 239         arm_expand_vec_perm_const): New.
 240         * config/arm/arm-protos.h: Update.
 241         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 242         (*neon_vswp<VDQX>): New.
 243         (neon_vcombine<VDX>): Use neon_split_vcombine.
 244         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 245         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 246         (vec_perm<VE>): New.
 247
 248 2012-01-10  Richard Henderson  <rth@redhat.com>
 249
 250         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 251         use it if reload_completed.
 252         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 253         arm_output_asm_insn, arm_process_output_memory_barrier,
 254         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 255         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 256         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 257         arm_process_output_sync_insn, arm_output_sync_insn,
 258         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 259         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 260         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 261         (emit_unlikely_jump): New.
 262         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 263         (arm_split_atomic_op): New.
 264         * config/arm/arm-protos.h: Update.
 265         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 266         (struct arm_sync_generator): Remove.
 267         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 268         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 269         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 270         (VUNSPEC_LL, VUNSPEC_SC): New.
 271         (sync_result, sync_memory, sync_required_value, sync_new_value,
 272         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 273         (attr length): Don't use arm_sync_loop_insns.
 274         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 275         (movsfcc, movdfcc): Likewise.
 276         * config/arm/constraints.md (Ua): New.
 277         * config/arm/prediates.md (mem_noofs_operand): New.
 278         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 279         (sync_clobber, sync_t2_reqd): Remove.
 280         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 281         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 282         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 283         (arm_sync_compare_and_swap<SIDI>): Remove.
 284         (arm_sync_compare_and_swap<NARROW>): Remove.
 285         (arm_sync_lock_test_and_set<SIDI>): Remove.
 286         (arm_sync_lock_test_and_set<NARROW>): Remove.
 287         (arm_sync_new_<syncop><SIDI>): Remove.
 288         (arm_sync_new_<syncop><NARROW>): Remove.
 289         (arm_sync_new_nand<SIDI>): Remove.
 290         (arm_sync_new_nand<NARROW>): Remove.
 291         (arm_sync_old_<syncop><SIDI>): Remove.
 292         (arm_sync_old_<syncop><NARROW>): Remove.
 293         (arm_sync_old_nand<SIDI>): Remove.
 294         (arm_sync_old_nand<NARROW>): Remove.
 295         (*memory_barrier): Merge arm_output_memory_barrier.
 296         (atomic_compare_and_swap<QHSD>): New.
 297         (atomic_compare_and_swap<NARROW>_1): New.
 298         (atomic_compare_and_swap<SIDI>_1): New.
 299         (atomic_exchange<QHSD>): New.
 300         (cas_cmp_operand, cas_cmp_str): New.
 301         (atomic_op_operand, atomic_op_str): New.
 302         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 303         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 304         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 305         (arm_load_exclusive<NARROW>): New.
 306         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 307         (arm_store_exclusive<QHSD>): New.
 308
 309 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 310
 311         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 312         reload patterns if -mvsx-scalar-memory.
 313
 314         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 315         generated, even -mno-vsx-scalar-double was used.
 316         (vsx_xscvdpsp_scalar): Likewise.
 317         (vsx_xscvspdp_scalar2): Likewise.
 318
 319 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 320             Andrew Pinski  <apinski@cavium.com>
 321
 322         PR debug/51471
 323         * reorg.c (fill_slots_from_thread): Don't speculate
 324         frame-related insns.
 325
 326 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 327
 328         * sched-int.h (bb_note): Move to...
 329         * basic-block.h: ...here.
 330         * haifa-sched.c (bb_note): Move to...
 331         * cfgrtl.c: ...here.
 332         * function.c (next_block_for_reg): New function.
 333         (move_insn_for_shrink_wrap): Likewise.
 334         (prepare_shrink_wrap): Rewrite to use the above.
 335
 336 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 337
 338         * gimple.c (is_gimple_non_addressable): Remove.
 339         * gimple.h: Remove is_gimple_non_addressable.
 340         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 341         is_gimple_non_addressable.
 342         * trans-mem.c (expand_assign_tm): Same.
 343
 344 2012-01-09  Richard Guenther  <rguenther@suse.de>
 345
 346         PR tree-optimization/51775
 347         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 348         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 349
 350 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 351
 352         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 353         tuning parameters.
 354         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 355
 356 2012-01-09  Richard Guenther  <rguenther@suse.de>
 357
 358         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 359
 360 2012-01-08  Jan Hubicka  <jh@suse.cz>
 361
 362         PR tree-optimize/51680
 363         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 364         on when known_vals needs to be computed; cleanup.
 365
 366 2012-01-08  Jan Hubicka  <jh@suse.cz>
 367
 368         PR tree-optimize/51694
 369         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 370
 371 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 372
 373         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 374         for -std=c++98 and -std=c++11 too.
 375
 376 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 377
 378         * cfgloop.c (cancel_loop): Add free() of bbs array.
 379
 380 2012-01-07  Jan Hubicka  <jh@suse.cz>
 381
 382         PR tree-optimization/51600
 383         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 384         that benefits small functions.
 385
 386 2012-01-07  Jan Hubicka  <jh@suse.cz>
 387
 388         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 389
 390 2012-01-07  Jan Hubicka  <jh@suse.cz>
 391
 392         PR tree-optimization/51680
 393         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 394         whose inlining reduce unit size.
 395
 396 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 397
 398         PR bootstrap/51725
 399         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 400         Add canonical node to containing_mem chain after the non-canonical
 401         one, even if there weren't any locs to propagate.
 402         (remove_useless_values): Keep only canonical values.
 403         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 404         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 405         canonicalize mem_chain elements that are not discarded.
 406
 407 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 408
 409         PR target/47333
 410         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 411         before emitting functions.
 412
 413         PR gcov-profile/50127
 414         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 415         clear_aux_for_blocks.
 416
 417 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 418
 419         PR debug/51746
 420         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 421
 422 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 423
 424         * c-decl.c (ext_block): Moved up.
 425         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 426
 427 2012-01-06  Han Shen  <shenhan@google.com>
 428
 429         Translate built-in include paths for sysroot.
 430         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 431         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 432
 433         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 434         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 435
 436         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 437         control whether sysroot should be prepended to gxx include dir.
 438
 439         * configure: Regenerate.
 440
 441 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 442
 443         PR rtl-optimization/51771
 444         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 445         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 446
 447 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 448
 449         PR tree-optimization/51315
 450         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 451         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 452
 453 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 454
 455         PR target/51681
 456         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 457         for shrp pattern.  Correctly handle and fixup shift variable.
 458         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 459
 460 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 461
 462         PR debug/51762
 463         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 464         note when !ACCUMULATE_OUTGOING_ARGS.
 465
 466 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 467
 468         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 469         condition.
 470         (extract_range_from_unary_expr_1): Avoid useless computations.
 471
 472 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 473
 474         PR rtl-optimization/51767
 475         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 476         of jump_block and add an extra edge for degenerated asm gotos.
 477
 478         PR middle-end/51768
 479         * stmt.c (check_unique_operand_names): Don't ICE during error
 480         reporting if i is from labels chain.
 481
 482         PR middle-end/44777
 483         * profile.c (branch_prob): Split bbs that have exit edge
 484         and need a fake entry edge too.
 485
 486 2012-01-05  Jan Hubicka  <jh@suse.cz>
 487
 488         PR middle-end/49710
 489         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 490         unlooping loops.
 491
 492 2012-01-05  Richard Guenther  <rguenther@suse.de>
 493
 494         PR lto/50490
 495         * tree-streamer-out.c (write_ts_optimization): New function.
 496         (streamer_write_tree_body): Call it.
 497         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 498         (streamer_read_tree_body): Call it.
 499         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 500
 501 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 502
 503         PR middle-end/51761
 504         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 505         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 506         in_cleanup_point_expr before gimplify_stmt call and restore it
 507         afterwards.
 508         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 509         in_cleanup_point_expr is false.
 510
 511 2012-01-05  Richard Guenther  <rguenther@suse.de>
 512
 513         PR middle-end/51764
 514         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 515         to c.opt.
 516         * toplev.c (process_options): Reject combining mudflap and LTO.
 517         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 518
 519 2012-01-05  Richard Guenther  <rguenther@suse.de>
 520
 521         PR tree-optimization/51760
 522         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 523         not VARYING.
 524         (bit_value_unop): Handle UNDEFINED operands.
 525         (bit_value_binop): Likewise.
 526
 527 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 528
 529         * config/avr/avr.c (avr_replace_prefix): Remove.
 530         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 531         (avr_asm_function_rodata_section): Ditto.
 532         (avr_asm_select_section): Ditto.
 533
 534 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 535
 536         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 537         insertion.
 538
 539 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 540
 541         PR bootstrap/51648
 542         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 543         calls that have any non-fake successor edges.
 544
 545         PR debug/51746
 546         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 547
 548 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 549
 550         PR tree-optimization/51624
 551         * tree-sra.c (build_ref_for_model): When replicating a chain of
 552         COMPONENT_REFs, stop as soon as the offset would become negative.
 553
 554 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 555
 556         PR debug/51695
 557         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 558         in .debug_loc on the floor.
 559
 560 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 561
 562         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 563
 564 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 565             Adam Nemet  <anemet@caviumnetworks.com>
 566
 567         * config/mips/mips.md (size): Add SI and DI.
 568         (SIZE): New mode attribute.
 569         (U): New code attribute.
 570         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 571         (mips_lbux_<mode>): Delete.
 572         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 573         (mips_lhx): Use gen_mips_lhx_extsi.
 574         (mips_lhx_<mode>): Delete.
 575         (mips_lwx): Delete.
 576         (mips_l<size>x): New expand.
 577         (mips_lwx_<mode>): Delete.
 578         (mips_l<GPR:size>x_<P:mode>): New pattern.
 579         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 580         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 581         * config/mips/mips.c (mips_lx_address_p): New function.
 582         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 583         (dsp64): New availability predicate.
 584         (mips_builtins): Add an entry for __builtin_mips_ldx.
 585         * config/mips/mips.h (ISA_HAS_LBX): New define.
 586         (ISA_HAS_LBUX): Likewise.
 587         (ISA_HAS_LHX): Likewise.
 588         (ISA_HAS_LHUX): Likewise.
 589         (ISA_HAS_LWX): Likewise.
 590         (ISA_HAS_LWUX): Likewise.
 591         (ISA_HAS_LDX): Likewise.
 592         * doc/extend.texi (__builtin_mips_ldx): Document.
 593
 594 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 595
 596         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 597         when long pointers are used.
 598         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 599         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 600         (ia64-hp-*vms*): Remove.
 601         * config/vms/xm-vms64.h: Delete.
 602
 603 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 604
 605         PR middle-end/51472
 606         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 607
 608 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 609
 610         * opts.c (finish_options): Remove duplicate sorry.
 611
 612 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 613
 614         PR middle-end/51696
 615         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 616         correctly.
 617
 618 2012-01-04  Richard Guenther  <rguenther@suse.de>
 619
 620         PR middle-end/51750
 621         * tree.c (size_low_cst): New function.
 622         * tree.h (size_low_cst): Declare.
 623         * fold-const.c (fold_comparison): Use it to extract the low
 624         part of the POINTER_PLUS_EXPR offset.
 625
 626 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 627
 628         Fix clearing ZERO_REG
 629         * config/avr/avr.md (cc): Add alternative "ldi".
 630         (movqi_insn): Use it in cc attribute.
 631         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 632         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 633         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 634
 635 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 636
 637         * configure: Regenerate.
 638
 639 2012-01-04  Richard Guenther  <rguenther@suse.de>
 640
 641         PR tree-optimization/49651
 642         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 643         (var_can_have_subvars): Use it.
 644         (get_constraint_for_1): Only consider subfields if there can be any.
 645
 646 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 647
 648         PR bootstrap/51725
 649         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 650         to its new canonical_cselib_val and the cselib_val was in
 651         first_containing_mem chain, but the canonical_cselib_val was not,
 652         add the latter into the chain.
 653         (cselib_invalidate_mem): Compare canonical_cselib_val of
 654         addr_list chain elt with v.
 655
 656         PR pch/51722
 657         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 658         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 659         of xstrdup.
 660         (output_macinfo_op): Don't ggc_strdup fd->filename.
 661         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 662         then ggc_strdup it.  Don't free inc->info or cur->info.
 663         (output_macinfo): Don't free ref->info or file->info.
 664
 665 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 666
 667         PR tree-optimization/51269
 668         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 669         first_niters a pointer.
 670         (slpeel_tree_peel_loop_to_edge): Likewise.
 671         (vect_do_peeling_for_loop_bound): Update call to
 672         slpeel_tree_peel_loop_to_edge.
 673         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 674         here.  Remove it from the parameters list.
 675         (vect_do_peeling_for_alignment): Update calls and compute
 676         wide_prolog_niters.
 677
 678 2012-01-03  Richard Guenther  <rguenther@suse.de>
 679
 680         PR tree-optimization/51070
 681         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 682         Properly handle calls.
 683
 684 2012-01-03  Richard Guenther  <rguenther@suse.de>
 685
 686         PR tree-optimization/51692
 687         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 688         the LHS of allocation stmts.
 689
 690 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 691
 692         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 693
 694 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 695
 696         * collect2.c (main): In AIX specific computations for vector
 697         insertions, use CONST_CAST2 to cast from char ** to const char **.
 698
 699 2012-01-03  Richard Guenther  <rguenther@suse.de>
 700
 701         PR debug/51650
 702         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 703         the context of a limbo DIE when it does not already exist.
 704
 705 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 706
 707         PR tree-optimization/51719
 708         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 709         but direct call is, clear direct call's lhs and don't add fallthrough
 710         edge from dcall_bb to join_bb and PHIs.
 711
 712 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 713
 714         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 715         the instructions emitted by the pattern.
 716         ("*TDC_insn_<mode>"): Add comment.
 717
 718 2012-01-03  Richard Guenther  <rguenther@suse.de>
 719
 720         PR middle-end/51730
 721         * fold-const.c (fold_comparison): Properly canonicalize
 722         tree offset and HOST_WIDE_INT bit position.
 723
 724 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 725
 726         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 727         operands for extzv pattern.
 728
 729 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 730
 731         PR bootstrap/51725
 732         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 733         on mem_elt first.
 734
 735 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 736
 737         * doc/invoke.texi (-flto and related options): Copy-edit.
 738
 739 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 740
 741         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 742
 743 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 744
 745         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 746         New patterns.
 747
 748 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 749
 750         * expr.h (move_by_pieces_ninsns): Declare.
 751         * expr.c (move_by_pieces_ninsns): Make external.
 752         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 753         (mips_store_by_pieces_p): Likewise.
 754         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 755         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 756         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 757         (mips_store_by_pieces_p): Likewise.
 758
 759 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 760
 761         * passes.c (register_one_dump_file): Free full_name.
 762
 763         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 764         (calculate_elim_costs_all_insns): Free offsets_at and
 765         offsets_known_at at the end and clear the pointers.
 766
 767 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 768
 769         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 770         this option introduced in r180739.
 771
 772 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 773
 774         PR target/51345
 775         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 776         (tmake_file target=avr): Add avr/t-multilib.
 777
 778         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 779         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 780         * config/avr/genmultilib.awk: New file.
 781         * config/avr/t-multilib: New auto-generated file.
 782         * config/avr/multilib.h: New auto-generated file.
 783         * config/avr/t-avr (AVR_MCUS): New variable.
 784         (genopt.sh): Use it.
 785         (s-mlib): Depend on t-multilib.
 786         (t-multilib, multilib.h): New dependencies.
 787         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 788         (MULTILIB_OPTIONS): Remove.
 789         (MULTILIB_MATCHES): Remove.
 790         (MULTILIB_DIRNAMES): Remove.
 791         (MULTILIB_EXCEPTIONS): Remove:
 792         * config/avr/genopt.sh: Don't use hard coded file name;
 793         pass AVR_MCUS from t-avr instead.
 794
 795 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 796
 797         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 798
 799 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 800
 801         Implement light-weight DImode support.
 802         * config/avr/avr-dimode.md: New file.
 803         * config/avr/avr.md: Include it.
 804         (adjust_len): Add plus64, compare64.
 805         (HIDI): Remove code iterator.
 806         (code_stdname): New code attribute.
 807         (rotx, rotsmode): Remove DI.
 808         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 809         as code iterator.
 810         * config/avr/avr-protos.h (avr_have_dimode): New.
 811         (avr_out_plus64, avr_out_compare64): New.
 812         * config/avr/avr.c (avr_out_compare): Handle DImode.
 813         (avr_have_dimode): New variable definition and initialization.
 814         (avr_out_compare64, avr_out_plus64): New functions.
 815         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 816         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 817         (avr_compare_pattern): Skip DImode comparisons.
 818
 819 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 820
 821         * ddg.c (def_has_ccmode_p): New function.
 822         (add_cross_iteration_register_deps,
 823         create_ddg_dep_from_intra_loop_link): Call it.
 824
 825 2012-01-02  Richard Guenther  <rguenther@suse.de>
 826
 827         PR other/51679
 828         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 829
 830 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 831
 832         * gcc.c (process_command): Update copyright notice dates.
 833         * gcov.c (print_version): Likewise.
 834         * gcov-dump.c (print_version): Likewise.
 835         * mips-tfile.c (main): Likewise.
 836         * mips-tdump.c (main): Likewise.
 837
 838 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 839
 840         PR tree-optimization/51704
 841         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 842         a use is inside the basic block or loop before accessing its vect info.
 843
 844 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 845
 846         PR rtl-optimization/51069
 847         * cfgloopmanip.c (remove_path): Removing path making irreducible
 848         region unconditional makes BB part of the region.
 849
 850 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 851
 852         PR tree-optimization/51683
 853         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 854         calls with side-effects.
 855         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 856 \f
 857 Copyright (C) 2012 Free Software Foundation, Inc.
 858
 859 Copying and distribution of this file, with or without modification,
 860 are permitted in any medium without royalty provided the copyright
 861 notice and this notice are preserved.