gcc/ChangeLog

   1 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR debug/25562
   4         * function.c (instantiate_expr): New function.
   5         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
   6         walk its DECL_VALUE_EXPR with instantiate_expr.
   7
   8         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
   9         DW_OP_deref{,_size} if address isn't going to be added.
  10
  11 2006-01-04  Ben Elliston  <bje@au.ibm.com>
  12
  13         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
  14         * config/fp-bit.c: Likewise.
  15
  16 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
  17
  18         * dominance.c: Add comment about why we use DFS numbering
  19         of dominance tree.
  20
  21 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
  22             Richard Henderson  <rth@redhat.com>
  23
  24         Merge from gomp-branch:
  25         * varasm.c (assemble_variable): Handle thread-local COMMON data.
  26         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
  27
  28 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
  29
  30         PR rtl-optimization/25578
  31         * combine.c (combine_simplify_rtx, force_to_mode): Don't
  32         pass a parameter to simplify_shift_const if changing ASHIFTRT
  33         to LSHIFTRT.
  34
  35 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
  36
  37         * gcc/builtins.c (get_builtin_sync_mem): New function.
  38         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
  39         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
  40         Call get_builtin_sync_mem to generate mem rtx.
  41
  42 2006-01-03  Richard Guenther  <rguenther@suse.de>
  43
  44         PR c/25183
  45         * stmt.c (add_case_node): Make sure to clear overflow flags
  46         from ranges.
  47
  48 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
  49
  50         Merge from gomp-branch.
  51         * config/sparc/sync.md: New file.
  52         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
  53         UNSPECV_LDSTUB): New constants.
  54         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
  55         * config/sparc/predicates.md (memory_reg_operand): New predicate.
  56         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
  57         prototype.
  58
  59 2006-01-03  Roger Sayle  <roger@eyesopen.com>
  60
  61         * combine.c (reg_subword_p): New predicate to test whether the
  62         destination of a set refers to a subword/piece of a register.
  63         (try_combine): Generalize the code to merge the setting of a
  64         pseudo to a constant followed by a set of a subword of that
  65         register to a constant.
  66
  67 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
  68
  69         * basic-block.h (control_flow_graph): Change the type of
  70         x_label_to_block_map to VEC(basic_block,gc) *.
  71         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
  72         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
  73
  74         * tree-ssa-propagate.c (cfg_blocks): Change the type to
  75         VEC(basic_block,heap) *.
  76         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
  77         ssa_prop_fini): Adjust the uses of cfg_blocks.
  78
  79 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
  80
  81         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
  82         COMPONENT_REFs.
  83         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
  84         hashing trees instead of a pointer hash.
  85         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
  86         compare for MEM_EXPR.
  87
  88         PR rtl-optimization/25130
  89         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
  90         when comparing MEMs for GCSE
  91
  92 2006-01-03  Ben Elliston  <bje@au.ibm.com>
  93
  94         * targhooks.h (default_decimal_float_supported_p): Declare.
  95         * targhooks.c (default_decimal_float_supported_p): Define.
  96         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
  97         `default_decimal_float_supported_p'.
  98         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
  99
 100 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
 101
 102         * combine.c (apply_distributive_law <SUBREG>): Check
 103         TRULY_NOOP_TRUNCATION.
 104
 105 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
 106
 107         * dwarf2out.c (have_switched_text_section): Delete.
 108         (have_multiple_function_sections): New.
 109         (have_location_lists): Make 'bool'.
 110         (add_AT_loc_list): Use 'true' not '1'.
 111         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
 112         (output_loc_list): Use have_multiple_function_sections.
 113         (output_ranges): Likewise.
 114         (dwarf2out_begin_function): Set have_multiple_function_sections if
 115         necessary.
 116         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
 117         Check function_section rather than DECL_SECTION_NAME.
 118         (dwarf2out_finish): Use have_multiple_function_sections.
 119         Don't clear have_location_lists.
 120
 121 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
 122             Jan Hubicka  <jh@suse.cz>
 123
 124         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
 125         case of conditional jump jumping to the next instruction.
 126         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
 127         cases of conditional jump jumping to the next instruction.
 128
 129 2006-01-02  Jan Hubicka  <jh@suse.cz>
 130
 131         * i386.c (*_cost): Add COSTS_N_INSNS.
 132         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
 133
 134 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
 135
 136         PR target/25259
 137         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
 138
 139 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 140
 141         * config/arm/arm.c (all_fpus): Fix comment typo.
 142         * config/darwin.c: Likewise.
 143         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
 144         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
 145         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
 146
 147 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
 148
 149         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
 150         (rs6000_split_compare_and_swapqhi): New.
 151         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
 152         (sync_compare_and_swapqhi_internal): New.
 153         * config/rs6000/rs6000-protos.h: Declare.
 154