gcc/ChangeLog

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