gcc/ChangeLog

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