gcc/ChangeLog

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