gcc/ChangeLog

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