gcc/ChangeLog

   1 2006-01-04  Paul Brook  <paul@codesourcery.com>
   2
   3         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
   4
   5 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
   6
   7         * lambda-code.c (can_put_in_inner_loop): Relax
   8         restrictions.
   9         (can_put_after_inner_loop): New function.
  10         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
  11         (perfect_nestify): Change to make copies and modify uses.
  12
  13 2006-01-04  Richard Henderson  <rth@redhat.com>
  14
  15         Merge from gomp branch:
  16         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
  17         via integer constant.
  18         (pragma_lex): Remove.
  19         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
  20         rather than parsing it.
  21         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
  22         handle_pragma_extern_prefix): Add %< %> quotes.
  23         (registered_pragmas): New.
  24         (c_register_pragma_1): New.
  25         (c_register_pragma): Use it.
  26         (c_register_pragma_with_expansion): Likewise.
  27         (c_invoke_pragma_handler): New.
  28         (init_pragma): Use cpp_register_deferred_pragma directly for
  29         pch_preprocess.
  30         * c-pragma.h (enum pragma_kind): New.
  31         (pragma_handler): New.
  32         (c_invoke_pragma_handler): Declare.
  33         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
  34         CPP_PRAGMA_EOL.
  35         * c-common.h (c_common_pch_pragma): Update decl.
  36         * Makefile.in (c-parser.o): Update dependencies.
  37         (GTFILES): Add c-pragma.h.
  38         * c-parser.c (struct c_token): Add pragma_kind.
  39         (struct c_parser): Add in_pragma.
  40         (c_lex_one_token): Always initialize keyword and pragma_kind.
  41         Extract data for CPP_PRAGMA.
  42         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
  43         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
  44         Don't allow CPP_PRAGMA_EOL if in_pragma.
  45         (c_parser_consume_pragma): New.
  46         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
  47         (c_parser_skip_to_end_of_parameter): Likewise.
  48         (c_parser_skip_to_end_of_block_or_statement): Likewise.
  49         (c_parser_skip_to_pragma_eol): New.
  50         (c_parser_external_declaration): Handle CPP_PRAGMA.
  51         (c_parser_compound_statement_nostart): Likewise.
  52         (c_parser_statement_after_labels): Likewise.
  53         (c_parser_pragma): New.
  54         (pragma_lex): Likewise.
  55         (c_parser_pragma_pch_preprocess): New.
  56         (c_parser_new): Merge into ...
  57         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
  58
  59 2005-01-04  Jeff Law  <law@redhat.com>
  60
  61         PR ada/24994
  62         * tree-cfg.c (bsi_replace): Remove the original statement
  63         from the EH throw statement table.
  64
  65 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
  66
  67         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
  68         make the prototype extern "C" and add throw ().
  69
  70         PR target/25554
  71         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
  72         and pos non-negative and pos + len <= 32.
  73         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
  74         drop pos + len < HOST_BITS_PER_WIDE_INT test.
  75         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
  76
  77         PR c/25559
  78         * c-common.c (handle_vector_size_attribute): Reject zero vector size
  79         as well as sizes not multiple of component size.
  80
  81         PR debug/25562
  82         * function.c (instantiate_expr): New function.
  83         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
  84         walk its DECL_VALUE_EXPR with instantiate_expr.
  85
  86         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
  87         DW_OP_deref{,_size} if address isn't going to be added.
  88
  89 2006-01-04  Ben Elliston  <bje@au.ibm.com>
  90
  91         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
  92         * config/fp-bit.c: Likewise.
  93
  94 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
  95
  96         * dominance.c: Add comment about why we use DFS numbering
  97         of dominance tree.
  98
  99 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
 100             Richard Henderson  <rth@redhat.com>
 101
 102         Merge from gomp-branch:
 103         * varasm.c (assemble_variable): Handle thread-local COMMON data.
 104         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
 105
 106 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
 107
 108         PR rtl-optimization/25578
 109         * combine.c (combine_simplify_rtx, force_to_mode): Don't
 110         pass a parameter to simplify_shift_const if changing ASHIFTRT
 111         to LSHIFTRT.
 112
 113 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
 114
 115         * gcc/builtins.c (get_builtin_sync_mem): New function.
 116         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
 117         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
 118         Call get_builtin_sync_mem to generate mem rtx.
 119
 120 2006-01-03  Richard Guenther  <rguenther@suse.de>
 121
 122         PR c/25183
 123         * stmt.c (add_case_node): Make sure to clear overflow flags
 124         from ranges.
 125
 126 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
 127
 128         Merge from gomp-branch.
 129         * config/sparc/sync.md: New file.
 130         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
 131         UNSPECV_LDSTUB): New constants.
 132         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
 133         * config/sparc/predicates.md (memory_reg_operand): New predicate.
 134         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
 135         prototype.
 136
 137 2006-01-03  Roger Sayle  <roger@eyesopen.com>
 138
 139         * combine.c (reg_subword_p): New predicate to test whether the
 140         destination of a set refers to a subword/piece of a register.
 141         (try_combine): Generalize the code to merge the setting of a
 142         pseudo to a constant followed by a set of a subword of that
 143         register to a constant.
 144
 145 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
 146
 147         * basic-block.h (control_flow_graph): Change the type of
 148         x_label_to_block_map to VEC(basic_block,gc) *.
 149         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
 150         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
 151
 152         * tree-ssa-propagate.c (cfg_blocks): Change the type to
 153         VEC(basic_block,heap) *.
 154         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
 155         ssa_prop_fini): Adjust the uses of cfg_blocks.
 156
 157 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
 158
 159         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
 160         COMPONENT_REFs.
 161         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
 162         hashing trees instead of a pointer hash.
 163         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
 164         compare for MEM_EXPR.
 165
 166         PR rtl-optimization/25130
 167         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
 168         when comparing MEMs for GCSE
 169
 170 2006-01-03  Ben Elliston  <bje@au.ibm.com>
 171
 172         * targhooks.h (default_decimal_float_supported_p): Declare.
 173         * targhooks.c (default_decimal_float_supported_p): Define.
 174         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
 175         `default_decimal_float_supported_p'.
 176         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
 177
 178 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
 179
 180         * combine.c (apply_distributive_law <SUBREG>): Check
 181         TRULY_NOOP_TRUNCATION.
 182
 183 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
 184
 185         * dwarf2out.c (have_switched_text_section): Delete.
 186         (have_multiple_function_sections): New.
 187         (have_location_lists): Make 'bool'.
 188         (add_AT_loc_list): Use 'true' not '1'.
 189         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
 190         (output_loc_list): Use have_multiple_function_sections.
 191         (output_ranges): Likewise.
 192         (dwarf2out_begin_function): Set have_multiple_function_sections if
 193         necessary.
 194         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
 195         Check function_section rather than DECL_SECTION_NAME.
 196         (dwarf2out_finish): Use have_multiple_function_sections.
 197         Don't clear have_location_lists.
 198
 199 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
 200             Jan Hubicka  <jh@suse.cz>
 201
 202         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
 203         case of conditional jump jumping to the next instruction.
 204         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
 205         cases of conditional jump jumping to the next instruction.
 206
 207 2006-01-02  Jan Hubicka  <jh@suse.cz>
 208
 209         * i386.c (*_cost): Add COSTS_N_INSNS.
 210         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
 211
 212 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
 213
 214         PR target/25259
 215         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
 216
 217 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 218
 219         * config/arm/arm.c (all_fpus): Fix comment typo.
 220         * config/darwin.c: Likewise.
 221         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
 222         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
 223         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
 224
 225 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
 226
 227         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
 228         (rs6000_split_compare_and_swapqhi): New.
 229         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
 230         (sync_compare_and_swapqhi_internal): New.
 231         * config/rs6000/rs6000-protos.h: Declare.
 232