gcc/ChangeLog

   1 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
   2
   3         * gcc/builtins.c (get_builtin_sync_mem): New function.
   4         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
   5         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
   6         Call get_builtin_sync_mem to generate mem rtx.
   7
   8 2006-01-03  Richard Guenther  <rguenther@suse.de>
   9
  10         PR c/25183
  11         * stmt.c (add_case_node): Make sure to clear overflow flags
  12         from ranges.
  13
  14 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
  15
  16         Merge from gomp-branch.
  17         * config/sparc/sync.md: New file.
  18         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
  19         UNSPECV_LDSTUB): New constants.
  20         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
  21         * config/sparc/predicates.md (memory_reg_operand): New predicate.
  22         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
  23         prototype.
  24
  25 2006-01-03  Roger Sayle  <roger@eyesopen.com>
  26
  27         * combine.c (reg_subword_p): New predicate to test whether the
  28         destination of a set refers to a subword/piece of a register.
  29         (try_combine): Generalize the code to merge the setting of a
  30         pseudo to a constant followed by a set of a subword of that
  31         register to a constant.
  32
  33 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
  34
  35         * basic-block.h (control_flow_graph): Change the type of
  36         x_label_to_block_map to VEC(basic_block,gc) *.
  37         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
  38         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
  39
  40         * tree-ssa-propagate.c (cfg_blocks): Change the type to
  41         VEC(basic_block,heap) *.
  42         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
  43         ssa_prop_fini): Adjust the uses of cfg_blocks.
  44
  45 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
  46
  47         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
  48         COMPONENT_REFs.
  49         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
  50         hashing trees instead of a pointer hash.
  51         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
  52         compare for MEM_EXPR.
  53
  54         PR rtl-optimization/25130
  55         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
  56         when comparing MEMs for GCSE
  57
  58 2006-01-03  Ben Elliston  <bje@au.ibm.com>
  59
  60         * targhooks.h (default_decimal_float_supported_p): Declare.
  61         * targhooks.c (default_decimal_float_supported_p): Define.
  62         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
  63         `default_decimal_float_supported_p'.
  64         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
  65
  66 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
  67
  68         * combine.c (apply_distributive_law <SUBREG>): Check
  69         TRULY_NOOP_TRUNCATION.
  70
  71 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
  72
  73         * dwarf2out.c (have_switched_text_section): Delete.
  74         (have_multiple_function_sections): New.
  75         (have_location_lists): Make 'bool'.
  76         (add_AT_loc_list): Use 'true' not '1'.
  77         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
  78         (output_loc_list): Use have_multiple_function_sections.
  79         (output_ranges): Likewise.
  80         (dwarf2out_begin_function): Set have_multiple_function_sections if
  81         necessary.
  82         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
  83         Check function_section rather than DECL_SECTION_NAME.
  84         (dwarf2out_finish): Use have_multiple_function_sections.
  85         Don't clear have_location_lists.
  86
  87 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
  88             Jan Hubicka  <jh@suse.cz>
  89
  90         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
  91         case of conditional jump jumping to the next instruction.
  92         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
  93         cases of conditional jump jumping to the next instruction.
  94
  95 2006-01-02  Jan Hubicka  <jh@suse.cz>
  96
  97         * i386.c (*_cost): Add COSTS_N_INSNS.
  98         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
  99
 100 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
 101
 102         PR target/25259
 103         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
 104
 105 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 106
 107         * config/arm/arm.c (all_fpus): Fix comment typo.
 108         * config/darwin.c: Likewise.
 109         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
 110         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
 111         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
 112
 113 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
 114
 115         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
 116         (rs6000_split_compare_and_swapqhi): New.
 117         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
 118         (sync_compare_and_swapqhi_internal): New.
 119         * config/rs6000/rs6000-protos.h: Declare.
 120