gcc/ChangeLog

   1 2006-01-04  Richard Henderson  <rth@redhat.com>
   2
   3         Merge from gomp branch:
   4         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
   5         via integer constant.
   6         (pragma_lex): Remove.
   7         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
   8         rather than parsing it.
   9         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
  10         handle_pragma_extern_prefix): Add %< %> quotes.
  11         (registered_pragmas): New.
  12         (c_register_pragma_1): New.
  13         (c_register_pragma): Use it.
  14         (c_register_pragma_with_expansion): Likewise.
  15         (c_invoke_pragma_handler): New.
  16         (init_pragma): Use cpp_register_deferred_pragma directly for
  17         pch_preprocess.
  18         * c-pragma.h (enum pragma_kind): New.
  19         (pragma_handler): New.
  20         (c_invoke_pragma_handler): Declare.
  21         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
  22         CPP_PRAGMA_EOL.
  23         * c-common.h (c_common_pch_pragma): Update decl.
  24         * Makefile.in (c-parser.o): Update dependencies.
  25         (GTFILES): Add c-pragma.h.
  26         * c-parser.c (struct c_token): Add pragma_kind.
  27         (struct c_parser): Add in_pragma.
  28         (c_lex_one_token): Always initialize keyword and pragma_kind.
  29         Extract data for CPP_PRAGMA.
  30         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
  31         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
  32         Don't allow CPP_PRAGMA_EOL if in_pragma.
  33         (c_parser_consume_pragma): New.
  34         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
  35         (c_parser_skip_to_end_of_parameter): Likewise.
  36         (c_parser_skip_to_end_of_block_or_statement): Likewise.
  37         (c_parser_skip_to_pragma_eol): New.
  38         (c_parser_external_declaration): Handle CPP_PRAGMA.
  39         (c_parser_compound_statement_nostart): Likewise.
  40         (c_parser_statement_after_labels): Likewise.
  41         (c_parser_pragma): New.
  42         (pragma_lex): Likewise.
  43         (c_parser_pragma_pch_preprocess): New.
  44         (c_parser_new): Merge into ...
  45         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
  46
  47 2005-01-04  Jeff Law  <law@redhat.com>
  48
  49         PR ada/24994
  50         * tree-cfg.c (bsi_replace): Remove the original statement
  51         from the EH throw statement table.
  52
  53 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
  54
  55         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
  56         make the prototype extern "C" and add throw ().
  57
  58         PR target/25554
  59         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
  60         and pos non-negative and pos + len <= 32.
  61         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
  62         drop pos + len < HOST_BITS_PER_WIDE_INT test.
  63         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
  64
  65         PR c/25559
  66         * c-common.c (handle_vector_size_attribute): Reject zero vector size
  67         as well as sizes not multiple of component size.
  68
  69         PR debug/25562
  70         * function.c (instantiate_expr): New function.
  71         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
  72         walk its DECL_VALUE_EXPR with instantiate_expr.
  73
  74         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
  75         DW_OP_deref{,_size} if address isn't going to be added.
  76
  77 2006-01-04  Ben Elliston  <bje@au.ibm.com>
  78
  79         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
  80         * config/fp-bit.c: Likewise.
  81
  82 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
  83
  84         * dominance.c: Add comment about why we use DFS numbering
  85         of dominance tree.
  86
  87 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
  88             Richard Henderson  <rth@redhat.com>
  89
  90         Merge from gomp-branch:
  91         * varasm.c (assemble_variable): Handle thread-local COMMON data.
  92         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
  93
  94 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
  95
  96         PR rtl-optimization/25578
  97         * combine.c (combine_simplify_rtx, force_to_mode): Don't
  98         pass a parameter to simplify_shift_const if changing ASHIFTRT
  99         to LSHIFTRT.
 100
 101 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
 102
 103         * gcc/builtins.c (get_builtin_sync_mem): New function.
 104         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
 105         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
 106         Call get_builtin_sync_mem to generate mem rtx.
 107
 108 2006-01-03  Richard Guenther  <rguenther@suse.de>
 109
 110         PR c/25183
 111         * stmt.c (add_case_node): Make sure to clear overflow flags
 112         from ranges.
 113
 114 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
 115
 116         Merge from gomp-branch.
 117         * config/sparc/sync.md: New file.
 118         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
 119         UNSPECV_LDSTUB): New constants.
 120         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
 121         * config/sparc/predicates.md (memory_reg_operand): New predicate.
 122         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
 123         prototype.
 124
 125 2006-01-03  Roger Sayle  <roger@eyesopen.com>
 126
 127         * combine.c (reg_subword_p): New predicate to test whether the
 128         destination of a set refers to a subword/piece of a register.
 129         (try_combine): Generalize the code to merge the setting of a
 130         pseudo to a constant followed by a set of a subword of that
 131         register to a constant.
 132
 133 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
 134
 135         * basic-block.h (control_flow_graph): Change the type of
 136         x_label_to_block_map to VEC(basic_block,gc) *.
 137         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
 138         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
 139
 140         * tree-ssa-propagate.c (cfg_blocks): Change the type to
 141         VEC(basic_block,heap) *.
 142         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
 143         ssa_prop_fini): Adjust the uses of cfg_blocks.
 144
 145 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
 146
 147         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
 148         COMPONENT_REFs.
 149         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
 150         hashing trees instead of a pointer hash.
 151         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
 152         compare for MEM_EXPR.
 153
 154         PR rtl-optimization/25130
 155         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
 156         when comparing MEMs for GCSE
 157
 158 2006-01-03  Ben Elliston  <bje@au.ibm.com>
 159
 160         * targhooks.h (default_decimal_float_supported_p): Declare.
 161         * targhooks.c (default_decimal_float_supported_p): Define.
 162         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
 163         `default_decimal_float_supported_p'.
 164         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
 165
 166 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
 167
 168         * combine.c (apply_distributive_law <SUBREG>): Check
 169         TRULY_NOOP_TRUNCATION.
 170
 171 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
 172
 173         * dwarf2out.c (have_switched_text_section): Delete.
 174         (have_multiple_function_sections): New.
 175         (have_location_lists): Make 'bool'.
 176         (add_AT_loc_list): Use 'true' not '1'.
 177         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
 178         (output_loc_list): Use have_multiple_function_sections.
 179         (output_ranges): Likewise.
 180         (dwarf2out_begin_function): Set have_multiple_function_sections if
 181         necessary.
 182         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
 183         Check function_section rather than DECL_SECTION_NAME.
 184         (dwarf2out_finish): Use have_multiple_function_sections.
 185         Don't clear have_location_lists.
 186
 187 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
 188             Jan Hubicka  <jh@suse.cz>
 189
 190         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
 191         case of conditional jump jumping to the next instruction.
 192         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
 193         cases of conditional jump jumping to the next instruction.
 194
 195 2006-01-02  Jan Hubicka  <jh@suse.cz>
 196
 197         * i386.c (*_cost): Add COSTS_N_INSNS.
 198         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
 199
 200 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
 201
 202         PR target/25259
 203         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
 204
 205 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 206
 207         * config/arm/arm.c (all_fpus): Fix comment typo.
 208         * config/darwin.c: Likewise.
 209         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
 210         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
 211         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
 212
 213 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
 214
 215         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
 216         (rs6000_split_compare_and_swapqhi): New.
 217         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
 218         (sync_compare_and_swapqhi_internal): New.
 219         * config/rs6000/rs6000-protos.h: Declare.
 220