gcc/ChangeLog

   1 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
   2
   3         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
   4         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
   5
   6         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
   7
   8 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * tree-loop-linear.c (try_interchange_loops): Compare memory access
  11         strides against cache sizes.
  12
  13 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
  14
  15         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
  16         constant to fpul.
  17
  18 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
  19
  20         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
  21         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
  22         is smaller than the original promoted value.
  23         (simplify_subreg): If OP is a SUBREG, try to preserve its
  24         SUBREG_PROMOTED_VAR_P information.
  25
  26 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
  27
  28         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
  29         (VN_INFO_GET): Allocate new objects on the obstack.
  30         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
  31         for rpo_numbers_temp, for consistency.
  32         (free_scc_vn): Free the obstack.
  33
  34 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
  35
  36         * doc/invoke.texi: Document -ftree-loop-distribution.
  37         * tree-loop-distribution.c: New.
  38         * tree-pass.h (pass_loop_distribution): New.
  39         * graphds.h (struct graph): Add htab_t indices.
  40         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
  41         * tree-vectorizer.c (rename_variables_in_loop): Extern.
  42         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
  43         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
  44         * tree-data-ref.c (debug_data_dependence_relations): New.
  45         (dump_data_dependence_relation): Also print data references.
  46         (free_data_ref): Extern.
  47         (same_access_functions): Moved...
  48         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
  49         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
  50         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
  51         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
  52         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
  53         (stmts_from_loop): Skip LABEL_EXPR.
  54         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
  55         (build_rdg): Initialize rdg->indices htab.
  56         (free_rdg, stores_from_loop, ref_base_address,
  57         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
  58         have_similar_memory_accesses_1, ref_base_address_1,
  59         remove_similar_memory_refs): New.
  60         * tree-data-ref.h: Depend on tree-chrec.h.
  61         (debug_data_dependence_relations, free_data_ref): Declared.
  62         (same_access_functions): ... here.
  63         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
  64         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
  65         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
  66         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
  67         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
  68         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
  69         rdg_vertex_for_stmt): Declared.
  70         (struct rdg_edge): Add level.
  71         (RDGE_LEVEL): New.
  72         (free_rdg, stores_from_loop, remove_similar_memory_refs,
  73         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
  74         (rdg_has_similar_memory_accesses): New.
  75         * tree-vect-analyze.c: Remove unused static decls.
  76         * lambda.h (dependence_level): New.
  77         * common.opt (ftree-loop-distribution): New.
  78         * tree-flow.h (mark_virtual_ops_in_bb,
  79         slpeel_tree_duplicate_loop_to_edge_cfg,
  80         rename_variables_in_loop): Declared.
  81         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
  82         (OBJS-common): Add tree-loop-distribution.o.
  83         (tree-loop-distribution.o): New rule.
  84         * tree-cfg.c (mark_virtual_ops_in_bb): New.
  85         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
  86         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
  87
  88 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
  89
  90         PR target/33963
  91         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
  92         other than structures and unions.
  93
  94 2008-02-28  Richard Guenther  <rguenther@suse.de>
  95
  96         Revert:
  97         2008-02-26  Richard Guenther  <rguenther@suse.de>
  98
  99         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 100         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 101         (lookup_decl_from_uid): Declare.
 102         (remove_decl_from_map): Likewise.
 103         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 104         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 105         (decl_for_uid_map): New global hashtable mapping DECL_UID
 106         to the decl tree.
 107         (init_ttree): Allocate it.
 108         (insert_decl_to_uid_decl_map): New helper function.
 109         (make_node_stat): Insert new decls into the map.
 110         (copy_node_stat): Likewise.
 111         (lookup_decl_from_uid): New function.
 112         (remove_decl_from_map): Likewise.
 113         (print_decl_for_uid_map_statistics): New helper.
 114         (dump_tree_statistics): Call it.
 115
 116         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 117         (referenced_var_iterator): Adjust.
 118         (FOR_EACH_REFERENCED_VAR): Adjust.
 119         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 120         (num_referenced_vars): Adjust.
 121         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 122         (first_referenced_var): Remove.
 123         (end_referenced_vars_p): Likewise.
 124         (next_referenced_var): Likewise.
 125         (referenced_var_iterator_set): New helper function.
 126         * tree-dfa.c (referenced_var_lookup): Adjust.
 127         (referenced_var_check_and_insert): Likewise.
 128         (remove_referenced_var): Likewise.
 129         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 130         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 131         (verify_call_clobbering): Likewise.
 132         (verify_memory_partitions): Likewise.
 133         (init_tree_ssa): Allocate bitmap instead of hashtable for
 134         referenced_vars.
 135         (delete_tree_ssa): Adjust.
 136         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 137         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 138         (compute_tag_properties): Likewise.
 139         (set_initial_properties): Likewise.
 140         (find_partition_for): Likewise.
 141         (update_reference_counts): Likewise.
 142         (dump_may_aliases_for): Likewise.
 143         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 144         (add_call_clobber_ops): Likewise.
 145         (add_call_read_ops): Likewise.
 146         (get_asm_expr_operands): Likewise.
 147         * tree-into-ssa.c (dump_decl_set): Likewise.
 148         (update_ssa): Likewise.
 149         * tree-sra.c (scan_function): Likewise.
 150         (decide_instantiations): Likewise.
 151         (scalarize_parms): Likewise.
 152         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 153         (dsa_named_for): Likewise.
 154         * tree-ssa-structalias.c (update_alias_info): Likewise.
 155         (merge_smts_into): Likewise.
 156
 157 2008-02-27  David Daney  <ddaney@avtrex.com>
 158
 159         PR target/34409
 160         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 161         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 162         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 163         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 164         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 165
 166 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 167
 168         PR target/25477
 169         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 170         (BUILT_IN_NEXTTOWARD): Remove.
 171         (BUILT_IN_NEXTTOWARDF): Ditto.
 172         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 173         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 174
 175 2008-02-27  Tom Tromey  <tromey@redhat.com>
 176
 177         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 178         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 179
 180 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 181
 182         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 183         update the respective field on newdecl.
 184
 185 2008-02-27  Revital Eres  <eres@il.ibm.com>
 186
 187         PR rtl-optimization/34999
 188         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 189         crossing edges that ends with a call insn.
 190         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 191         call insn and clear the EDGE_CROSSING flag of the crossing edge
 192         when fixing fallthru edges.
 193
 194 2008-02-27  Richard Guenther  <rguenther@suse.de>
 195
 196         PR middle-end/35390
 197         * fold-const.c (fold_unary): Return the correct argument,
 198         converted to the result type.
 199
 200 2008-02-27  Richard Guenther  <rguenther@suse.de>
 201
 202         PR middle-end/34971
 203         * expr.c (expand_expr_real_1): Assert on rotates that operate
 204         on partial modes.
 205         * fold-const.c (fold_binary): Use the types precision, not the
 206         bitsize of the mode if folding rotate expressions.  Build rotates
 207         only for full modes.
 208
 209 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 210
 211         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 212         and CPP_PRAGMA_EOL.
 213         * c-pragma.c (pragma_ns_name): New typedef.
 214         (registered_pp_pragmas): New variable.
 215         (c_pp_lookup_pragma): New function.
 216         (c_register_pragma_1): If flag_preprocess_only, do nothing
 217         for non-expanded pragmas, for expanded ones push pragma's
 218         namespace and name into registered_pp_pragmas vector.
 219         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 220         flag_preprocess_only, don't register GCC pch_preprocess
 221         pragma if flag_preprocess_only.
 222         * c-opts.c (c_common_init): Call init_pragma even if
 223         flag_preprocess_only.
 224         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 225         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 226         cpp_register_pragma if flag_preprocess_only.
 227
 228 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 229
 230         PR c/28800
 231         * c-parser.c (c_parser_translation_unit): Warn for empty
 232         translation unit, not empty source file.
 233
 234 2008-02-26  Paul Brook  <paul@codesourcery.com>
 235
 236         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 237         operand for Thumb-2.
 238         * config/arm/arm.h (reg_class): Add CORE_REGS.
 239         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 240         (BASE_REG_CLASS): Use CORE_REGS.
 241         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 242         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 243         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 244         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 245         ARM_REGNO_OK_FOR_INDEX_P.
 246         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 247         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 248         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 249         (ldm/stm peepholes): Ditto.
 250         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 251         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 252         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 253         * config/arm/constraints.md: Enable "k" constraint on ARM.
 254
 255 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 256
 257         * config/rs6000/rs6000.c: Annotate cache line size field in all
 258         instances of struct processor_costs.
 259
 260 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 261
 262         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 263         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 264         jump_bypass): New counters.
 265         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 266         * dce.c (gate_ud_dce): Same.
 267         (gate_fast_dce): Same.
 268         * dse.c (gate_dse1): New function.
 269         (gate_dse2): New function.
 270         (gate_dse): Merge results of new gate functions.
 271         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 272         (gate_handle_jump_bypass): Add dbg_cnt.
 273         (gate_handle_gcse): Add dbg_cnt.
 274         * ifcvt.c (gate_handle_if_conversion): Same.
 275         (gate_handle_if_after_combine): Same.
 276         (gate_handle_if_after_reload): Same.
 277         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 278
 279 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 280
 281         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 282         line sizes.
 283         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 284
 285 2008-02-26  Jason Merrill  <jason@redhat.com>
 286
 287         PR c++/35315
 288         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 289         alone if it's the naming decl for the type's main variant.
 290
 291 2008-02-26  Tom Tromey  <tromey@redhat.com>
 292
 293         * system.h (USE_MAPPED_LOCATION): Poison.
 294         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
 295         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
 296         (make_goto_expr_edges): Likewise.
 297         (remove_bb): Likewise.
 298         (execute_warn_function_return): Likewise.
 299         * basic-block.h (struct edge_def) <goto_locus>: Change type to
 300         location_t.
 301         * c-common.c (fname_decl): Remove old location code.
 302         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
 303         location code.
 304         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
 305         variant.
 306         (ASM_INPUT_SOURCE_LOCATION): Likewise.
 307         (gen_rtx_ASM_INPUT): Likewise.
 308         (gen_rtx_ASM_INPUT_loc): Likewise.
 309         (get_rtx_asm_OPERANDS): Remove.
 310         * cfglayout.c (insn_locators_alloc): Remove old location code.
 311         (set_curr_insn_source_location): Likewise.
 312         (curr_insn_locator): Likewise.
 313         * print-tree.c (print_node): Remove old location code.
 314         * tree-mudflap.c (mf_varname_tree): Remove old location code.
 315         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
 316         * cfgexpand.c (expand_gimple_cond_expr): Don't use
 317         location_from_locus.
 318         (construct_exit_block): Remove old location code.
 319         * emit-rtl.c (force_next_line_note): Remove old location code.
 320         * profile.c (branch_prob): Remove old location code.
 321         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
 322         LOC_LINE): Remove old-location variants.
 323         * langhooks.c (lhd_print_error_function): Remove old location
 324         code.
 325         * configure, config.in: Rebuilt.
 326         * configure.ac (--enable-mapped-location): Remove.
 327         * c-decl.c (c_init_decl_processing): Remove old location code.
 328         (finish_function): Likewise.
 329         * recog.c (decode_asm_operands): Remove old location code.
 330         * c-pch.c (c_common_read_pch): Remove old location code.
 331         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
 332         variants.
 333         * gimple-low.c (lower_function_body): Remove old location code.
 334         * toplev.c (unknown_location): Remove.
 335         (push_srcloc): Remove old-location variant.
 336         (process_options): Remove old location code.
 337         (lang_dependent_init): Likewise.
 338         * input.h (UNKNOWN_LOCATION): Move definition.
 339         (location_t): Undeprecate.
 340         (source_locus): Remove.
 341         (location_from_locus): Remove.
 342         (struct location_s): Remove.
 343         Remove all old-location code.
 344         (input_line, input_filename): Remove.
 345         * final.c (final_scan_insn): Remove old location code.
 346         * diagnostic.c (diagnostic_build_prefix): Remove
 347         USE_MAPPED_LOCATION test.
 348         * tree.h (gimple_stmt) <locus>: Now a location_t.
 349         (tree_exp) <locus>: Likewise.
 350         (DECL_IS_BUILTIN): Remove old-location variant.
 351         (annotate_with_file_line, annotate_with_locus): Likewise.
 352         (expr_locus, set_expr_locus): Update.
 353         * tree.c (build1_stat): Remove old location code.
 354         (last_annotated_node): Remove.
 355         (annotate_with_file_line): Remove old-location variant.
 356         (annotate_with_locus): Likewise.
 357         (expr_location): Remove old location code.
 358         (set_expr_location): Likewise.
 359         (expr_has_location): Likewise.
 360         (expr_locus): Likewise.
 361         (set_expr_locus): Likewise.
 362         (expr_filename): Don't use location_from_locus.
 363         (expr_lineno): Likewise.
 364         * rtl-error.c (location_for_asm): Remove old location code.
 365         * c-lex.c (cb_line_change): Remove old location code.
 366         (fe_file_change): Likewise.
 367         (cb_def_pragma): Likewise.
 368         (c_lex_with_flags): Likewise.
 369         * gengtype.c (do_typedef): Don't special-case location types.
 370         (define_location_structures): Remove.
 371         (main): Don't call define_location_structures.
 372         * tree-pretty-print.c (dump_implicit_edges): Remove old location
 373         code.
 374
 375 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 376
 377         PR 26264
 378         * builtins.def (BUILT_IN_STDARG_START): Remove.
 379         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 380         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
 381         * tree-inline.c (inline_forbidden_p_1): Likewise.
 382
 383 2008-02-26  Richard Guenther  <rguenther@suse.de>
 384
 385         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 386         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 387         (lookup_decl_from_uid): Declare.
 388         (remove_decl_from_map): Likewise.
 389         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 390         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 391         (decl_for_uid_map): New global hashtable mapping DECL_UID
 392         to the decl tree.
 393         (init_ttree): Allocate it.
 394         (insert_decl_to_uid_decl_map): New helper function.
 395         (make_node_stat): Insert new decls into the map.
 396         (copy_node_stat): Likewise.
 397         (lookup_decl_from_uid): New function.
 398         (remove_decl_from_map): Likewise.
 399         (print_decl_for_uid_map_statistics): New helper.
 400         (dump_tree_statistics): Call it.
 401
 402         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 403         (referenced_var_iterator): Adjust.
 404         (FOR_EACH_REFERENCED_VAR): Adjust.
 405         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 406         (num_referenced_vars): Adjust.
 407         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 408         (first_referenced_var): Remove.
 409         (end_referenced_vars_p): Likewise.
 410         (next_referenced_var): Likewise.
 411         (referenced_var_iterator_set): New helper function.
 412         * tree-dfa.c (referenced_var_lookup): Adjust.
 413         (referenced_var_check_and_insert): Likewise.
 414         (remove_referenced_var): Likewise.
 415         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 416         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 417         (verify_call_clobbering): Likewise.
 418         (verify_memory_partitions): Likewise.
 419         (init_tree_ssa): Allocate bitmap instead of hashtable for
 420         referenced_vars.
 421         (delete_tree_ssa): Adjust.
 422         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 423         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 424         (compute_tag_properties): Likewise.
 425         (set_initial_properties): Likewise.
 426         (find_partition_for): Likewise.
 427         (update_reference_counts): Likewise.
 428         (dump_may_aliases_for): Likewise.
 429         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 430         (add_call_clobber_ops): Likewise.
 431         (add_call_read_ops): Likewise.
 432         (get_asm_expr_operands): Likewise.
 433         * tree-into-ssa.c (dump_decl_set): Likewise.
 434         (update_ssa): Likewise.
 435         * tree-sra.c (scan_function): Likewise.
 436         (decide_instantiations): Likewise.
 437         (scalarize_parms): Likewise.
 438         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 439         (dsa_named_for): Likewise.
 440         * tree-ssa-structalias.c (update_alias_info): Likewise.
 441         (merge_smts_into): Likewise.
 442
 443 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 444
 445         PR 34351
 446         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
 447         * c-opts.c (c_common_handle_option): Wall enables
 448         Wvolatile-register-var.
 449         * common.opt: Move Wvolatile-register-var to...
 450         * c.opt: ...here.
 451
 452 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 453
 454         * common.opt (Wlarger-than=): New.
 455         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
 456         -Wlarger-than=.
 457         * opts.c (common_handle_option): Handle -Wlarger-than=.
 458         * optc-gen.awk: Likewise.
 459         * opth-gen.awk: Likewise.
 460         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
 461         * tree-optimize.c (tree_rest_of_compilation): Likewise.
 462
 463 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 464
 465         * c-common.c (match_case_to_enum_1): Add appropriate
 466         OPT_W* parameter to warning.
 467         (c_do_switch_warnings): Likewise.
 468         * c-typeck.c (warning_init): Add one more parameter following
 469         'warning' function.
 470         (push_init_level): Update call to warning_init.
 471         (pop_init_level): Likewise.
 472         (add_pending_init): Likewise.
 473         (output_init_element: Likewise.
 474
 475 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 476
 477         PR 28322
 478         * toplev.c (toplev_main): If there are warnings or error, print
 479         errors for ignored options.
 480         * opts.c (ignored_options): New static variable.
 481         (postpone_unknown_option_error): New.
 482         (print_ignored_options): New.
 483         (handle_option): Postpone errors for unknown -Wno-* options.
 484         * opts.h (print_ignored_options): Declare.
 485
 486 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
 487
 488         * config/mips/mips.md (loadgp_blockage, blockage): Change type
 489         to "ghost".
 490
 491 2008-02-25  Richard Guenther  <rguenther@suse.de>
 492
 493         Revert:
 494         2008-02-25  Richard Guenther  <rguenther@suse.de>
 495
 496         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 497         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 498         (lookup_decl_from_uid): Declare.
 499         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 500         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 501         (decl_for_uid_map): New global hashtable mapping DECL_UID
 502         to the decl tree.
 503         (init_ttree): Allocate it.
 504         (insert_decl_to_uid_decl_map): New helper function.
 505         (make_node_stat): Insert new decls into the map.
 506         (copy_node_stat): Likewise.
 507         (lookup_decl_from_uid): New function.
 508         (print_decl_for_uid_map_statistics): New helper.
 509         (dump_tree_statistics): Call it.
 510
 511         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 512         (referenced_var_iterator): Adjust.
 513         (FOR_EACH_REFERENCED_VAR): Adjust.
 514         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 515         (num_referenced_vars): Adjust.
 516         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 517         (first_referenced_var): Remove.
 518         (end_referenced_vars_p): Likewise.
 519         (next_referenced_var): Likewise.
 520         (referenced_var_iterator_set): New helper function.
 521         * tree-dfa.c (referenced_var_lookup): Adjust.
 522         (referenced_var_check_and_insert): Likewise.
 523         (remove_referenced_var): Likewise.
 524         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 525         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 526         (verify_call_clobbering): Likewise.
 527         (verify_memory_partitions): Likewise.
 528         (init_tree_ssa): Allocate bitmap instead of hashtable for
 529         referenced_vars.
 530         (delete_tree_ssa): Adjust.
 531         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 532         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 533         (compute_tag_properties): Likewise.
 534         (set_initial_properties): Likewise.
 535         (find_partition_for): Likewise.
 536         (update_reference_counts): Likewise.
 537         (dump_may_aliases_for): Likewise.
 538         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 539         (add_call_clobber_ops): Likewise.
 540         (add_call_read_ops): Likewise.
 541         (get_asm_expr_operands): Likewise.
 542         * tree-into-ssa.c (dump_decl_set): Likewise.
 543         (update_ssa): Likewise.
 544         * tree-sra.c (scan_function): Likewise.
 545         (decide_instantiations): Likewise.
 546         (scalarize_parms): Likewise.
 547         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 548         (dsa_named_for): Likewise.
 549         * tree-ssa-structalias.c (update_alias_info): Likewise.
 550         (merge_smts_into): Likewise.
 551
 552 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 553
 554         PR fortran/29549
 555         * doc/invoke.texi (-fcx-limited-range): Document new option.
 556         * toplev.c (process_options): Handle -fcx-fortran-rules.
 557         * common.opt: Add documentation for -fcx-fortran-rules.
 558
 559 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 560
 561         PR c/35162
 562         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
 563         actual behaviour and C99.
 564
 565 2008-02-26  Ben Elliston  <bje@au.ibm.com>
 566
 567         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
 568         (ASM_CPU_POWER6_SPEC): Likewise.
 569         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
 570         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
 571         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
 572
 573 2008-02-25  Richard Guenther  <rguenther@suse.de>
 574
 575         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 576         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 577         (lookup_decl_from_uid): Declare.
 578         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 579         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 580         (decl_for_uid_map): New global hashtable mapping DECL_UID
 581         to the decl tree.
 582         (init_ttree): Allocate it.
 583         (insert_decl_to_uid_decl_map): New helper function.
 584         (make_node_stat): Insert new decls into the map.
 585         (copy_node_stat): Likewise.
 586         (lookup_decl_from_uid): New function.
 587         (print_decl_for_uid_map_statistics): New helper.
 588         (dump_tree_statistics): Call it.
 589
 590         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 591         (referenced_var_iterator): Adjust.
 592         (FOR_EACH_REFERENCED_VAR): Adjust.
 593         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 594         (num_referenced_vars): Adjust.
 595         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 596         (first_referenced_var): Remove.
 597         (end_referenced_vars_p): Likewise.
 598         (next_referenced_var): Likewise.
 599         (referenced_var_iterator_set): New helper function.
 600         * tree-dfa.c (referenced_var_lookup): Adjust.
 601         (referenced_var_check_and_insert): Likewise.
 602         (remove_referenced_var): Likewise.
 603         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 604         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 605         (verify_call_clobbering): Likewise.
 606         (verify_memory_partitions): Likewise.
 607         (init_tree_ssa): Allocate bitmap instead of hashtable for
 608         referenced_vars.
 609         (delete_tree_ssa): Adjust.
 610         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 611         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 612         (compute_tag_properties): Likewise.
 613         (set_initial_properties): Likewise.
 614         (find_partition_for): Likewise.
 615         (update_reference_counts): Likewise.
 616         (dump_may_aliases_for): Likewise.
 617         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 618         (add_call_clobber_ops): Likewise.
 619         (add_call_read_ops): Likewise.
 620         (get_asm_expr_operands): Likewise.
 621         * tree-into-ssa.c (dump_decl_set): Likewise.
 622         (update_ssa): Likewise.
 623         * tree-sra.c (scan_function): Likewise.
 624         (decide_instantiations): Likewise.
 625         (scalarize_parms): Likewise.
 626         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 627         (dsa_named_for): Likewise.
 628         * tree-ssa-structalias.c (update_alias_info): Likewise.
 629         (merge_smts_into): Likewise.
 630
 631 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
 632
 633         PR target/35258
 634         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
 635         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
 636         * alias.h (nonoverlapping_memrefs_p): Likewise.
 637
 638 2008-02-25  Jan Beulich  <jbeulich@novell.com>
 639
 640         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
 641         * config/i386/netware-libgcc.exp: Add __bswap?i2,
 642         __emultls_get_address, __emultls_register_common,
 643         __floatundi?f, and _Unwind_GetIPInfo.
 644         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
 645         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
 646         (gen_regparm_prefix): Likewise.
 647         (i386_nlm_encode_section_info): Sync with
 648         config/i386/winnt.c:i386_pe_encode_section_info().
 649         (i386_nlm_maybe_mangle_decl_assembler_name): New.
 650         i386_nlm_mangle_decl_assembler_name): New.
 651         (netware_override_options): New.
 652         * config/i386/netware.h (netware_override_options): Declare.
 653         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
 654         (i386_nlm_mangle_decl_assembler_name): Declare.
 655         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
 656
 657 2008-02-25  Ben Elliston  <bje@au.ibm.com>
 658
 659         PR other/32948
 660         * c-decl.c (grokdeclarator): Remove unused local variables
 661         `typedef_type' and `type_as_written'.
 662         * bb-reorder.c
 663         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
 664         unused local variable `has_hot_blocks'.
 665         (fix_crossing_conditional_branches): Remove unused local variable
 666         `prev_bb'.
 667
 668 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
 669
 670         PR middle-end/19984
 671         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
 672         using DEF_C99_BUILTIN.
 673         (BUILT_IN_NANF): Ditto.
 674         (BUILT_IN_NANL): Ditto.
 675
 676 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
 677             Revital Eres  <eres@il.ibm.com>
 678
 679         * modulo-sched.c (calculate_must_precede_follow): Address TODO
 680         regarding the order of two dependent insns in the same row.
 681
 682 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 683
 684         * stor-layout.c (layout_decl): Do not bump the alignment of a
 685         bit-field to more than byte alignment if it is packed.
 686
 687 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
 688
 689         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
 690         e300c2 and e300c3.
 691
 692 2008-02-24  Diego Novillo  <dnovillo@google.com>
 693
 694         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
 695
 696         PR 33738
 697         * tree-vrp.c (vrp_evaluate_conditional): With
 698         -Wtype-limits, emit a warning when comparing against a
 699         constant outside the natural range of OP0's type.
 700         * c.opt (Wtype-limits): Move ...
 701         * common.opt (Wtype-limits): ... here.
 702
 703 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
 704
 705         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
 706         * config/rs6000/e300c2c3.md: New file.
 707         * config/rs6000/rs6000.c (processor_costs): Add new costs for
 708         e300c2 and e300c3.
 709         (rs6000_override_options): Add e300c2 and e300c3 cases to
 710         processor_target_table. Do not allow usage of Altivec or Spe
 711         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
 712         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
 713         * config/rs6000/rs6000.h (processor_type): Add
 714         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
 715         (ASM_CPU_SPEC): Add e300c2 and e300c3.
 716         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
 717         and ppce300c3. Include e300c2c3.md.
 718
 719 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
 720
 721         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
 722         instead of TARGET_STRICT_ALIGN.
 723
 724 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
 725
 726         * explow.c (memory_address): Assert that the generated address is
 727         valid.
 728
 729 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 730
 731         PR target/25477
 732         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
 733         * config/darwin-ppc-ldouble-patch.def: New file.
 734         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
 735         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
 736         SUBTARGET_INIT_BUILTINS if defined.
 737         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
 738         New functions.
 739
 740 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 741
 742         PR rtl-opt/33512
 743         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
 744         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
 745
 746 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 747
 748         PR pch/35027
 749         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
 750         file" warning condtional on -Winvalid-PCH.
 751
 752 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 753
 754         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
 755
 756 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
 757
 758         PR target/22076
 759         PR target/34256
 760         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
 761         prevent reload from using MMX registers.
 762         (*mov<mode>_internal): Ditto.
 763         (*movv2sf_internal_rex64): Ditto.
 764         (*movv2sf_internal): Ditto.
 765
 766 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 767
 768         PR documentation/31569
 769         * doc/install.texi2html: Use makeinfo --no-number-sections.
 770
 771 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 772
 773         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
 774         ensure that we can address an entire entity > 8 bytes.  Don't
 775         generate reg+reg addressing for such data.
 776
 777 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 778
 779         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
 780         strings when optimizing for size, unless the target cares about
 781         alignment.
 782
 783 2008-02-22  Tom Tromey  <tromey@redhat.com>
 784
 785         * regclass.c (current_pass): Remove declaration.
 786
 787 2008-02-22  Anatoly Sokolov <aesok@post.ru>
 788
 789         * config/avr/libgcc.S (__RAMPZ__): Define.
 790         (__do_copy_data): Add for devices with 128KB code memory.
 791
 792 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 793
 794         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
 795         Use spe_abi.
 796         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
 797
 798 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
 799
 800         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
 801         GENNONACR_REGS.
 802
 803 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 804
 805         PR c/19999
 806         * c-typeck.c (build_binary_op): Warn about floating point
 807         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
 808
 809 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
 810
 811         PR target/34526
 812         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
 813         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
 814         add vrsave.
 815         (rs6000_override_options): Set altivec_abi as default, not override,
 816         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
 817         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
 818         is used; use new member spe_abi.
 819         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
 820         spe_abi and altivec_abi.
 821
 822 2008-02-22  Tomas Bily  <tbily@suse.cz>
 823
 824         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
 825
 826 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 827
 828         PR bootstrap/35273
 829         * config.build (build_file_translate): Set to `CMD //c' only if
 830         it works.
 831         * Makefile.in (build_file_translate): Improve comment.
 832
 833 2008-02-21  Jan Hubicka  <jh@suse.cz>
 834
 835         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
 836         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
 837         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
 838
 839 2008-02-21  Michael Matz  <matz@suse.de>
 840
 841         PR target/35264
 842         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
 843
 844 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
 845
 846         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
 847         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
 848         as insn constraint.
 849         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
 850         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
 851         SSE_VEC_FLOAT_MODE_P as insn constraint.
 852         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
 853         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
 854         sse4a_movntdf using MODEF mode iterator.
 855         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
 856         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
 857         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
 858         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
 859         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
 860         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
 861         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
 862
 863 2008-02-21  Richard Guenther  <rguenther@suse.de>
 864
 865         * tree.def (PAREN_EXPR): New tree code.
 866         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
 867         and PAREN_EXPR.
 868         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
 869         * expr.c (expand_expr_real_1): Likewise.
 870         * tree-inline.c (estimate_num_insns_1): Likewise.
 871         * tree-complex.c (expand_complex_move): Likewise.
 872         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
 873         as plain x.
 874
 875 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 876
 877         PR target/35225
 878         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
 879
 880 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 881
 882         PR target/35190
 883         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
 884
 885         * config/sh/sh.c (find_barrier): Don't go past
 886         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
 887
 888 2008-02-20  DJ Delorie  <dj@redhat.com>
 889
 890         * config/h8300/h8300.md (insv): Force source operand to be a register.
 891
 892         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
 893         as a jump, not as a plain insn.
 894
 895 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
 896
 897         * doc/invoke.texi (Warning Options): Add new option
 898         -Wframe-larger-than=.
 899         (-Wframe-larger-than): Document.
 900
 901         * flags.h (warn_frame_larger_than, frame_larger_than_size):
 902         Add declarations for new option variables.
 903
 904         * final.c (final_start_function): Check the frame size
 905         before emission and issue a Wframe-larger-than warning.
 906
 907         * opts.c (warn_frame_larger_than, frame_larger_than_size):
 908         Add definitions for new option variables.
 909         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
 910
 911         * common.opt (Wframe-larger-than=): New option.
 912
 913 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 914
 915         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
 916         (<sse>_div<mode>3): Ditto.
 917         (<sse>_vmdiv<mode>3): Ditto.
 918         (<sse>_vmsqrt<mode>2): Ditto.
 919         (*smax<mode>3): Ditto.
 920         (sse5_frcz<mode>2): Ditto.
 921         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
 922         as insn constraint.
 923
 924 2008-02-20  Richard Guenther  <rguenther@suse.de>
 925
 926         PR middle-end/35265
 927         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
 928         be happy with INTEGRAL_TYPE_P.
 929
 930 2008-02-20  Richard Guenther  <rguenther@suse.de>
 931
 932         * fold-const.c (split_tree): Associate floatig-point expressions
 933         if flag_associative_math is set.
 934
 935 2008-02-20  Richard Guenther  <rguenther@suse.de>
 936
 937         * tree.h (fold_real_zero_addition_p): Declare.
 938         * fold-const.c (fold_real_zero_addition_p): Export.
 939         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
 940         floating-point operations with zero and one.
 941
 942 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
 943
 944         * doc/install.texi: Correct references to CFLAGS, replacing them
 945         with BOOT_CFLAGS.  Document flags used during bootstrap for
 946         target libraries.
 947
 948 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 949
 950         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
 951         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
 952         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
 953         insn constraint.
 954         (smin<mode>3): Ditto from similar patterns.
 955         (smax<mode>3): Ditto.
 956         (*ieee_smin<mode>3): Ditto.
 957         (*ieee_smax<mode>3): Ditto.
 958         * config/i386/sse.md (sse): New mode attribute.
 959         (mov<mode>): Macroize expander from movv4sf and movv2df using
 960         SSEMODEF2P mode iterator.
 961         (<sse>_movnt<mode>): Ditto from similar patterns. Use
 962         SSE_VEC_FLOAT_MODE_P as insn constraint.
 963         (storent<mode>): Ditto.
 964         (storent<mode>): Macroize expander from storentsf and storentdf using
 965         MODEF mode iterator.
 966         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
 967         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
 968         (abs<mode>2): Ditto from similar patterns.
 969         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
 970         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
 971         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
 972         (<sse>_vmsqrt<mode>2): Ditto.
 973         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
 974         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
 975         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
 976         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
 977         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
 978         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
 979         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
 980         insn constraint.
 981         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
 982         iterator and SSE_FLOAT_MODE_P as insn constraint.
 983         (<sse>_ucomi): Ditto from similar patterns.
 984         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
 985         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
 986         SSE_VEC_FLOAT_MODE_P as insn constraint.
 987         (vcond<mode>): Ditto from similar patterns.
 988         (and<mode>3, *and<mode>3): Ditto.
 989         (<sse>_nand<mode>3): Ditto.
 990         (ior<mode>3, *ior<mode>3): Ditto.
 991         (xor<mode>3, *xor<mode>3): Ditto.
 992         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
 993         iterator and SSE_FLOAT_MODE_P as insn constraint.
 994         (*nand<mode>3): Ditto from similar patterns.
 995         (*ior<mode>3): Ditto.
 996         (*xor<mode>3): Ditto.
 997
 998 2008-02-20  Ira Rosen  <irar@il.ibm.com>
 999
1000         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1001         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1002         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1003
1004 2008-02-19  Jan Hubicka  <jh@suse.cz>
1005
1006         * predict.c (tree_bb_level_predictions): Remove variable next
1007         mistakely introduced by previous commit.
1008
1009 2008-02-19  Jan Hubicka  <jh@suse.cz>
1010
1011         * predict.c (predict_paths_leading_to): Rewrite.
1012         (predict_paths_for_bb): New.
1013         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1014
1015 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1016
1017         PR bootstrap/35218
1018         * Makefile.in (build_file_translate): New.
1019         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1020         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1021         * configure.ac (build_file_translate): Substitute it.
1022         * configure: Regenerate.
1023
1024 2008-02-19  Jan Hubicka  <jh@suse.cz>
1025
1026         PR rtl-optimization/34408
1027         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1028         invalid sharing.
1029
1030 2008-02-19  Jan Hubicka  <jh@suse.cz>
1031
1032         PR middle-end/28779
1033         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1034         call_expr.
1035
1036 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1037
1038         PR Ada/35186
1039         * config/i386/i386-modes.def: Revert the last DI alignment
1040         change until Ada people can look into it.
1041
1042 2008-02-19  Nick Clifton  <nickc@redhat.com>
1043
1044         * opts.c (print_specific_help): Fix typo in --help text.
1045
1046 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR target/35239
1049         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1050         32-bit inline asm without asm alternatives for host GCC < 3.0.
1051
1052 2008-02-19  Richard Guenther  <rguenther@suse.de>
1053
1054         PR tree-optimization/34989
1055         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1056         Allow propagation to INDIRECT_REF if we can simplify only.
1057
1058 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1059
1060         * c-common.c (warn_for_collisions_1): Use appropriate option when
1061         warning.
1062
1063 2008-02-19  Nick Clifton  <nickc@redhat.com>
1064
1065         PR other/31349
1066         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1067         (handle_options): Fix indentation.
1068         (print_filtered_help): If no language-specific options were
1069         displayed tell the user how to list all the options supported by
1070         the language's front-end.
1071         (print_specific_help): Fix indentation and remove duplicate line.
1072         (common_handle_option): Handle the -v option.
1073         For --help enable the display of undocumented options if the -v
1074         switch has been included on the command line.
1075         For --help= check for overlaps in the arguments between the option
1076         classes and the language names and issue a warning when they
1077         cannot be disambiguated.
1078         * c.opt (v): Pass on to the common option handler.
1079
1080 2008-02-19  Revital Eres  <eres@il.ibm.com>
1081
1082         * modulo-sched.c (sms_schedule): Change dump message when
1083         create_ddg function fails.
1084         (try_scheduling_node_in_cycle): Rename row to cycle.
1085         (print_partial_schedule): Rename CYCLE to ROW.
1086
1087 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1088             Zdenek Dvorak  <ook@ucw.cz>
1089
1090         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1091
1092 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1093
1094         PR target/33555
1095         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1096         (*x86_movdicc_0_m1_se): Ditto.
1097
1098 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1101         (CMPtype): Define as __gcc_CMPtype.
1102         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1103         (CMPtype): Define as __gcc_CMPtype.
1104
1105 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1106
1107         Support valgrind 3.3 for --enable-checking=valgrind.
1108         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1109         here.
1110         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1111         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1112         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1113         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1114         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1115         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1116         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1117         respectively.
1118         * ggc-zone.c: Similar.
1119         * ggc-page.c: Similar.
1120
1121 2008-02-19  Paul Brook  <paul@codesourcery.com>
1122
1123         PR target/35071
1124         * config/arm/ieee754-df.S: Fix do_it typo.
1125         * config/arm/ieee754-sf.S: Fix do_it typo.
1126
1127 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1128
1129         PR target/35189
1130         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1131         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1132         (OPTION_MASK_ISA_SSE_SET): Likewise.
1133         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1134         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1135         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1136         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1137         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1138         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1139         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1140         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1141         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1142         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1143         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1144         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1145         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1146         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1147         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1148         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1149         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1150         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1151         (OPTION_MASK_ISA_SSE4): Removed.
1152         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1153         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1154         -mXXX.
1155         (override_options): Don't turn on implied SSE/MMX bits in
1156         ix86_isa_flags.
1157
1158 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1159
1160         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1161         32bit host.
1162
1163 2008-02-18  Joey Ye  <joey.ye@intel.com>
1164
1165         PR middle-end/34921
1166         * tree-nested.c (insert_field_into_struct): Set type alignment
1167         to field alignment if the former is less than the latter.
1168
1169 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1170
1171         * BASE-VER: Set to 4.4.0.
1172
1173 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1174
1175         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1176         * doc/cfg.texi: Likewise.
1177         * doc/extend.texi: Likewise.
1178         * doc/gty.texi: Likewise.
1179         * doc/invoke.texi: Likewise.
1180         * doc/loop.texi: Likewise.
1181         * doc/md.texi: Likewise.
1182         * doc/passes.texi: Likewise.
1183         * doc/rtl.texi: Likewise.
1184         * doc/sourcebuild.texi: Likewise.
1185         * doc/tm.texi: Likewise.
1186         * doc/tree-ssa.texi: Likewise.
1187
1188 2008-02-17  Richard Guenther  <rguenther@suse.de>
1189
1190         PR middle-end/35227
1191         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1192         without default definition.
1193
1194 2008-02-17  Richard Guenther  <rguenther@suse.de>
1195
1196         PR tree-optimization/35231
1197         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1198         if A | B != 1.
1199
1200 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1201
1202         Revert:
1203
1204         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1205         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1206         libgcc_cmp_return mode.
1207
1208 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1209
1210         PR c/28368
1211         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1212
1213 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1214
1215         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1216         multilibs.
1217
1218 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1219
1220         * doc/c-tree.texi: Use `@.' where appropriate.
1221         * doc/extend.texi: Likewise.
1222         * doc/install.texi: Likewise.
1223         * doc/invoke.texi: Likewise.
1224         * doc/loop.texi: Likewise.
1225         * doc/makefile.texi: Likewise.
1226         * doc/md.texi: Likewise.
1227         * doc/passes.texi: Likewise.
1228         * doc/standards.texi: Likewise.
1229         * doc/tm.texi: Likewise.
1230
1231 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1232
1233         PR middle-end/35196
1234         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1235         in entry_bb.
1236         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1237         rather than in entry_bb.
1238
1239 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1242         libgcc_cmp_return mode.
1243
1244 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1245
1246         PR middle-end/35130
1247         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1248         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1249
1250 2008-02-15  Richard Guenther  <rguenther@suse.de>
1251             Zdenek Dvorak  <ook@ucw.cz>
1252
1253         PR tree-optimization/35164
1254         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1255         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1256         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1257         Only propagate addresses which do not have abnormal SSA_NAMEs
1258         in their operands.
1259
1260 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1261
1262         PR target/35088
1263         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1264
1265 2008-02-15  Jan Hubicka  <jh@suse.cz>
1266
1267         PR middle-end/35149
1268         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1269
1270 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1271
1272         PR middle-end/34621
1273         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1274         when calculating alignment_pad.
1275
1276 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1277
1278         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1279         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1280         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1281         and STACK_BOUNDARY define.
1282
1283 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1284
1285         PR preprocessor/35061
1286         * c-pragma.c (handle_pragma_pop_macro): Check that
1287         pushed_macro_table has been allocated.
1288
1289 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1290
1291         PR middle-end/35136
1292         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1293         (force_gimple_operand): Likewise.
1294         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1295         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1296         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1297         (find_interesting_uses_address): Check addressability and alignment
1298         of the base expression only after substituting bases of IVs into it.
1299
1300 2008-02-14  Michael Matz  <matz@suse.de>
1301
1302         PR target/34930
1303         * function.c (instantiate_virtual_regs_in_insn): Reload address
1304         before falling back to reloading the whole operand.
1305
1306 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1307
1308         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1309         before the first section switch note.
1310
1311 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1312
1313         * doc/bugreport.texi: Update copyright years.
1314         * doc/c-tree.texi: Likewise.
1315         * doc/cfg.texi: Likewise.
1316         * doc/cpp.texi: Likewise.
1317         * doc/cppinternals.texi: Likewise.
1318         * doc/fragments.texi: Likewise.
1319         * doc/frontends.texi: Likewise.
1320         * doc/gcc.texi: Likewise.
1321         * doc/gty.texi: Likewise.
1322         * doc/hostconfig.texi: Likewise.
1323         * doc/implement-c.texi: Likewise.
1324         * doc/libgcc.texi: Likewise.
1325         * doc/loop.texi: Likewise.
1326         * doc/makefile.texi: Likewise.
1327         * doc/options.texi: Likewise.
1328         * doc/passes.texi: Likewise.
1329         * doc/rtl.texi: Likewise.
1330         * doc/sourcebuild.texi: Likewise.
1331         * doc/standards.texi: Likewise.
1332         * doc/tree-ssa.texi: Likewise.
1333         * doc/trouble.texi: Likewise.
1334
1335         * doc/extend.texi: Use @: or add comma where appropriate.
1336         * doc/invoke.texi: Likewise.
1337         * doc/tm.texi: Likewise.
1338
1339 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1340
1341         PR target/34393
1342         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1343         to a reg.
1344
1345 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1346
1347         * doc/md.texi (clz, ctz): Add reference.
1348         * doc/rtl.texi (clz, ctz): Likewise.
1349
1350 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1351
1352         PR other/35148
1353         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1354         srcdir.
1355
1356 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1357
1358         * config/s390/s390.c (struct constant_pool): New field
1359         emit_pool_after added.
1360         (s390_mainpool_start): Set the emit_pool_after flag according
1361         to the section switch notes.
1362         (s390_mainpool_finish): Consider emit_pool_after when emitting
1363         the literal pool at the end of the function.
1364         (s390_chunkify_start): Force literal pool splits at section
1365         switch notes.
1366
1367 2008-02-13  Michael Matz  <matz@suse.de>
1368
1369         PR debug/35065
1370         * var-tracking.c (clobber_variable_part): Correctly traverse the
1371         list.
1372
1373 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1374
1375         PR 29673
1376         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1377         Add -fdump-ipa-inline.
1378         * tree-dump.c (dump_files): Remove tree-inlined dump.
1379         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1380
1381 2008-02-12  Richard Guenther  <rguenther@suse.de>
1382
1383         PR tree-optimization/35171
1384         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1385         default defs.
1386
1387 2008-02-12  Richard Guenther  <rguenther@suse.de>
1388
1389         PR middle-end/35163
1390         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1391         value-preserving mode.  Disallow final truncation.
1392
1393 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1394
1395         PR middle-end/35136
1396         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1397         code from here to...
1398         (force_gimple_operand): ...here.
1399
1400 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1401
1402         PR c++/35144
1403         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1404         non-compatible pointers.
1405         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1406         different FIELD_DECLs, try harder by comparing field offsets, sizes
1407         and types.
1408
1409         PR inline-asm/35160
1410         * function.c (match_asm_constraints_1): Don't replace the same input
1411         multiple times.
1412
1413 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1414
1415         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1416         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1417         (expand_epilogue): Restore RAMPZ register.
1418         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1419
1420 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1421
1422         * config/i386/cygwin.asm: (__alloca): Correct calling
1423         convention and alignment.
1424         (__chkstk): Force 8 byte stack alignment.
1425
1426 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1427             Richard Guenther  <rguenther@suse.de>
1428
1429         PR tree-optimization/33992
1430         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1431         the zero we compare against.
1432
1433 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1434
1435         PR libfortran/35063
1436         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1437         to CloseHandle after unlocking to prevent accumulation of handle
1438         count.
1439
1440 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1441
1442         PR middle_end/34150
1443         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1444         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1445         and update LABEL_NUSES during and after reload.
1446
1447 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1448
1449         PR middle-end/34627
1450         * combine.c (simplify_if_then_else): Make sure the comparison is
1451         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1452
1453 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1454
1455         PR bootstrap/35051
1456         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1457         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1458         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1459         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1460         * tree.h (get_type_static_bounds): Likewise.
1461
1462 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1463
1464         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1465         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1466         Make -Wfoo language annotations match what the compiler outputs.
1467
1468 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1469
1470         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
1471         intrinsics spu_convts, spu_convtu, spu_convtf.
1472         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1473
1474 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1475
1476         * doc/extend.texi (Function Attributes) <noinline>: Mention
1477         asm ("") as method to keep calls.
1478
1479 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1480
1481         PR other/32754
1482         * doc/options.texi (Options): Replace references to opts.sh with
1483         optc-gen.awk.
1484         * opts-common.c: Likewise.
1485         * optc-gen.awk: Likewise.
1486
1487 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1488
1489         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1490
1491 2008-02-07  Richard Henderson  <rth@redhat.com>
1492
1493         PR rtl-opt/33410
1494         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1495         EXPR_LIST for the REG_EQUAL instead of a comparison with a
1496         funny mode.
1497
1498 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1499
1500         PR tree-optimization/35085
1501         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1502         for operand entry oe2 in addition to operand entry oe3 in order to
1503         expose more opportunities for vectorizer sum reduction.
1504
1505 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1506
1507         PR other/35107
1508         * Makefile.in (LIBS): Remove $(GMPLIBS).
1509         (cc1-dummy, cc1): Add $(GMPLIBS).
1510
1511 2008-02-06  Jan Hubicka  <jh@suse.cz>
1512
1513         PR target/23322
1514         * i386.md (moddf_integer): Do not produce partial memory stalls for
1515         targets where it hurts.
1516
1517 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1518
1519         PR target/35083
1520         * optabs.c (expand_float): Do not check for decimal modes when
1521         expanding unsigned integer through signed conversion.
1522
1523 2008-02-06  Nick Clifton  <nickc@redhat.com>
1524
1525         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1526         inside the clobber with a match_operand and duplicated operand
1527         number in the constraint.
1528         (ineqbranchsi): Delete redundant comment.
1529
1530 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1531
1532         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
1533         builtin_define ("__USE_INIT_FINI__").
1534         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1535         -msx multilibs.
1536         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1537
1538 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1539
1540         PR documentation/30330
1541         * doc/invoke.texi (C++ Dialect Options)
1542         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1543         For each warning option -Wfoo that allows -Wno-foo, ensure both
1544         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1545         entry of -Wswitch-default, index -Wnormalized= including the
1546         `=', and -Wlarger-than-@var{len} including @var{len}.
1547
1548 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1549
1550         * config/i386/i386.md (floatunssisf2): Use
1551         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1552         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1553         Macroize expander using MODEF mode iterator.
1554
1555 2008-02-05  Diego Novillo  <dnovillo@google.com>
1556
1557         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1558
1559         PR 33738
1560         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1561
1562 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1563
1564         PR other/35070
1565         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1566
1567 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1568
1569         PR target/35084
1570         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1571         to indicate if a message should be generated.
1572         (init_cumulative_args): Updated.
1573         (function_value_32): Likewise.
1574
1575 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1576
1577         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1578
1579 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1580
1581         PR target/35083
1582         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1583         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1584
1585 2008-02-04  Diego Novillo  <dnovillo@google.com>
1586
1587         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1588
1589         PR 33738
1590         * tree-vrp.c (vrp_evaluate_conditional): With
1591         -Wtype-limits, emit a warning when comparing against a
1592         constant outside the natural range of OP0's type.
1593
1594 2008-02-04  Richard Guenther  <rguenther@suse.de>
1595
1596         PR middle-end/33631
1597         * expr.c (count_type_elements): Give for unions instead of
1598         guessing.
1599
1600 2008-02-04  Richard Guenther  <rguenther@suse.de>
1601
1602         PR middle-end/35043
1603         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1604         to TYPE_DOMAINs base type instead of using bitsizetype here.
1605
1606 2008-02-03  Jason Merrill  <jason@redhat.com>
1607
1608         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1609
1610 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1611
1612         PR other/29972
1613         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1614         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1615         (RS/6000 and PowerPC Options): Fix typos and markup.
1616         * doc/passes.texi (Tree-SSA passes): Likewise.
1617
1618 2008-02-02  Michael Matz  <matz@suse.de>
1619
1620         PR target/35045
1621         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1622         from record_last_reg_set_info.
1623         (record_last_reg_set_info): Take an RTX argument, iterate over all
1624         constituent hardregs.
1625         (record_last_set_info, record_opr_changes): Change calls to
1626         new signature or to record_last_reg_set_info_regno.
1627
1628 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1629
1630         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1631
1632 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1633
1634         PR rtl-optimization/34773
1635         * reg-notes.def (EQUAL): Mention significance of combination of
1636         REG_EQUAL and REG_RETVAL.
1637         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1638         insn that has a REG_RETVAL.
1639
1640 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1641
1642         PR bootstrap/33781
1643         * configure.ac (--enable-fixed-point): Disable unless explicitly
1644         requested on IRIX.
1645         * configure: Regenerate.
1646
1647 2008-02-01  Richard Guenther  <rguenther@suse.de>
1648
1649         PR other/35042
1650         * invoke.texi (-finline-limit): Remove no longer true parts
1651         of the documentation.  Note that there is no default value.
1652
1653 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1654             Mark Mitchell  <mark@codesourcery.com>
1655             Ben Elliston  <bje@au.ibm.com>
1656
1657         PR c/29326
1658         * doc/extend.texi (Other Builtins): Document.
1659
1660 2008-01-31  Tom Browder <tom.browder@gmail.com>
1661
1662         * doc/c-tree.texi (Types): Fix grammar.
1663         (Expression trees): Ditto.
1664         * doc/passes.texi (Tree-SSA passes): Ditto.
1665
1666         * doc/configterms.texi (Configure Terms): Fix typo.
1667         * doc/cpp.texi (Common Predefined Macros): Ditto.
1668         * doc/md.texi (Machine Constraints): Ditto.
1669
1670         * doc/makefile.texi (Makefile): Add comma.
1671
1672 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1673             Gerald Pfeifer  <gerald@pfeifer.com>
1674
1675         * doc/sourcebuild.texi (Front End): Remove references to CVS
1676         and CVSROOT/modules.
1677         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1678         (Back End): Remove reference to CVS.
1679
1680 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1681
1682         PR target/34900
1683         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1684         comment from...
1685         (mips16_gp_pseudo_reg): ...here.
1686         * config/mips/mips.md (load_const_gp): Replace with...
1687         (load_const_gp_<mode>): ...this :P-based insn.
1688
1689 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1690
1691         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1692         options. Minor fixes.
1693         (-std): Move reference to standards closer to where language
1694         standards are first mentioned.
1695
1696 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1697
1698         PR rtl-optimization/34995
1699         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1700         parameter and return a bool.  If the rtx parameter is nonnull,
1701         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1702         (find_reloads): Update call accordingly.  Pass the new operand
1703         if it needed no address reloads, otherwise pass null.
1704
1705 2008-01-30  Richard Henderson  <rth@redhat.com>
1706
1707         PR c/34993
1708         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1709         for unbounded arrays.
1710
1711 2008-01-30  Silvius Rus  <rus@google.com>
1712
1713         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1714
1715 2008-01-30  Jan Hubicka  <jh@suse.cz>
1716
1717         PR target/34982
1718         * i386.c (init_cumulative_args): Use real function declaration when
1719         calling locally.
1720
1721 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1722
1723         PR rtl-optimization/34998
1724         * global.c (build_insn_chain): Treat non-subreg_lowpart
1725         SUBREGs of pseudos as clobbering all the words covered by the
1726         SUBREG, not just all the bytes.
1727         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1728         original df_ref rather than an extract parameter.
1729         (global_conflicts): Update call accordingly.
1730
1731 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1732
1733         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1734         the overflow check to make it easier to read.
1735         (__fixtfdi): Change the type of the ll member in union
1736         long_double to UDItype_x.
1737
1738 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR middle-end/34969
1741         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1742         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1743         * tree-inline.c (fold_marked_statements): Call
1744         cgraph_update_edges_for_call_stmt if folding a call statement.
1745         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1746         debug_generic_stmt calls, reset it back afterwards.
1747
1748         PR c/35017
1749         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1750         static decls.
1751         * c-typeck.c (build_external_ref): Don't pedwarn about
1752         static vars in current function's scope.
1753
1754 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1755
1756         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1757
1758 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1759
1760         PR c/35002
1761         * ipa-struct-reorg.c: Fix spelling.
1762         * params.def: Ditto.
1763
1764 2008-01-29  Richard Guenther  <rguenther@suse.de>
1765
1766         PR middle-end/35006
1767         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1768         field.
1769         * tree-inline.c (remap_type): Increment remapping_type_depth
1770         around remapping types.
1771         (copy_body_r): Only add referenced variables if they are referenced
1772         from code, not types.
1773
1774 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1775
1776         PR c++/34055
1777         PR c++/34103
1778         PR c++/34219
1779         PR c++/34606
1780         PR c++/34753
1781         PR c++/34754
1782         PR c++/34755
1783         PR c++/34919
1784         PR c++/34961
1785         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1786         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1787
1788 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1789
1790         PR target/34412
1791         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
1792         pointer for tiny stack.
1793
1794 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1795
1796         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1797
1798 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1799
1800         * config/vx-common.h: Fix typo in comment.
1801
1802 2008-01-28  Ian Lance Taylor  <iant@google.com>
1803
1804         PR c++/34862
1805         PR c++/33407
1806         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1807         coalesce pointers if they have different DECL_NO_TBAA_P values.
1808         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1809         between variables with different DECL_NO_TBAA_P values.
1810
1811 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1812
1813         PR 31535
1814         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1815         are not legitimate small data references on SPE targets.
1816
1817 2008-01-28  David Daney  <ddaney@avtrex.com>
1818
1819         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1820
1821 2008-01-28  David Daney  <ddaney@avtrex.com>
1822
1823         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1824
1825 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1826
1827         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1828         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1829         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1830         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1831         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1832         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1833         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1834         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1835
1836 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1837
1838         * basic-block.h (condjump_equiv_p): Fix comment.
1839
1840 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1841
1842         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1843         print_generic_stmt_indented): Fix comment.
1844
1845 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1846
1847         * configure.ac (__stack_chk_fail): Add detecion for availability
1848         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1849         * configure: Regenerate.
1850
1851 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1852
1853         PR middle-end/34688
1854         * final.c (output_addr_const): Handle TRUNCATE.
1855
1856 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1857
1858         PR target/34711
1859         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1860         (zero_cost, infinite_cost): New constants.
1861         (struct cost_pair): Change type of cost to comp_cost.
1862         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1863         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1864         New functions.
1865         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1866         split_address_cost, ptr_difference_cost, difference_cost,
1867         get_computation_cost_at, get_computation_cost,
1868         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1869         determine_use_iv_cost_condition, determine_use_iv_costs,
1870         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1871         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1872         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1873         Change type of cost to comp_cost.
1874         (determine_iv_cost): Increase cost of non-original ivs, instead
1875         of decreasing the cost of original ones.
1876         (get_address_cost): Indicate the complexity of the addressing mode
1877         in comp_cost.
1878         (try_add_cand_for): Prefer using ivs not specific to some object.
1879         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1880
1881 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1882             Janis Johnson  <janis187@us.ibm.com>
1883
1884         PR target/34814
1885         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1886         (TARGET_INSTANTIATE_DECLS): Likewise.
1887         * target.h (expand_to_rtl_hook): New target hook.
1888         (instantiate_decls): Likewise.
1889         * function.c (instantiate_decl): Make non-static.  Rename to...
1890         (instantiate_decl_rtl): ... this.
1891         (instantiate_expr): Use instantiate_decl_rtl.
1892         (instantiate_decls_1): Likewise.
1893         (instantiate_decls): Likewise.
1894         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1895         * function.h (instantiate_decl_rtl): Add prototype.
1896         * cfgexpand.c (target.h): New include.
1897         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1898         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1899         (TARGET_INSTANTIATE_DECLS): Likewise.
1900         (TARGET_INITIALIZER): New target hooks added.
1901         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1902         New prototype.
1903         * config/rs6000/rs6000.c (tree-flow.h): New include.
1904         (machine_function): Add sdmode_stack_slot field.
1905         (rs6000_alloc_sdmode_stack_slot): New function.
1906         (rs6000_instantiate_decls): Likewise.
1907         (rs6000_secondary_memory_needed_rtx): Likewise.
1908         (rs6000_check_sdmode): Likewise.
1909         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1910         (TARGET_INSTANTIATE_DECLS): Likewise.
1911         (rs6000_hard_regno_mode_ok): Allow SDmode.
1912         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1913         (rs6000_emit_move): Handle SDmode.
1914         (function_arg_advance): Likewise.
1915         (function_arg): Likewise.
1916         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1917         SDmode var args for 32-bit compiles.
1918         (rs6000_secondary_reload_class): Handle SDmode.
1919         (rs6000_output_function_epilogue): Likewise.
1920         (rs6000_function_value): Simplify if statement.
1921         (rs6000_libcall_value): Likewise.
1922         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1923         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1924         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1925         (movsd_hardfloat): New define_insn.
1926         (movsd_softfloat): Likewise.
1927         (movsd_store): Likewise.
1928         (movsd_load): Likewise.
1929         (extendsddd2): Likewise.
1930         (extendsdtd2): Likewise.
1931         (truncddsd2): Likewise.
1932         (movdd_hardfloat64): Fixup comment.
1933         (UNSPEC_MOVSD_LOAD): New constant.
1934         (UNSPEC_MOVSD_STORE): Likewise.
1935
1936 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR c++/34965
1939         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1940         TRUTH_XOR_EXPR.
1941         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1942         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1943         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1944         and TRUTH_XOR_EXPR.
1945
1946 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
1947
1948         PR target/34794
1949         * config.gcc: Separate AIX 5.3 from AIX 6.1.
1950         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1951         __LONGDOUBLE128 too.
1952         * config/rs6000/aix61.h: New file.
1953
1954 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1955
1956         PR rtl-optimization/34959
1957         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1958         popcount and parity rtxes the same mode as their operand.
1959         Truncate or extend the result to the return value's mode
1960         if necessary.
1961
1962 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1963
1964         PR target/34981
1965         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1966         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1967         to GOT_VERSION_REGNUM.
1968         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1969         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1970         * config/mips/mips.c (mips_emit_call_insn): New function.
1971         (mips_call_tls_get_addr): Call mips_expand_call directly.
1972         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1973         emit_call_insn.
1974         (mips16_build_call_stub): Likewise.  Return the call insn or null.
1975         (mips_expand_call): Update the call to mips16_build_call_stub
1976         accordingly and a remove redundant condition.  Assert that MIPS16
1977         stubs do not use lazy binding.  Use mips_emit_call_insn and return
1978         the call insn.
1979         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1980         TARGET_USE_GOT.
1981         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1982         (mips_avoid_hazard): Remove hazard_set handling.
1983         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1984         (UNSPEC_RESTORE_GP): ...this.
1985         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1986         (FAKE_CALL_REGNO): Rename to...
1987         (GOT_VERSION_REGNUM): ...this.
1988         (type): Add "ghost" value.  Add an associated insn reservation.
1989         (hazard_set): Remove.
1990         (exception_receiver): Rename to...
1991         (restore_gp): ...this and update the unspec identifier accordingly.
1992         (exception_receiver, nonlocal_got_receiver): New expanders.
1993         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
1994         FAKE_CALL_REGNO.  Remove hazard_set attribute.
1995         (set_got_version, update_got_version): New patterns.
1996
1997 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
1998
1999         PR target/34970
2000         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2001
2002 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2003
2004         PR other/31955
2005         * doc/install.texi2html: Generate gcc-vers.texi.
2006
2007 2008-01-25  DJ Delorie  <dj@redhat.com>
2008
2009         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2010
2011 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2012
2013         * config/c4x: Remove directory.
2014         * config.gcc (crx-*, mt-*): Mark obsolete.
2015         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2016         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2017         sh-*-rtemscoff*): Remove cases.
2018         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2019         * real.c (encode_c4x_single, decode_c4x_single,
2020         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2021         c4x_extended_format): Remove.
2022         * real.h (c4x_single_format, c4x_extended_format): Remove.
2023         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2024         on C4x.
2025         (Pragmas): Remove comment about c4x pragmas.
2026         * doc/install.texi (c4x): Remove target-specific instructions.
2027         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2028         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2029         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2030         refer to C4x source files as examples.
2031         (C4X_FLOAT_FORMAT): Remove documentation.
2032
2033 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2034
2035         * config/bfin/bfin.c (override_options): Reorder tests so that
2036         flag_pic gets enabled for -msep-data.
2037
2038 2008-01-25  Richard Guenther  <rguenther@suse.de>
2039
2040         PR middle-end/32244
2041         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2042         to its bitfield precision if required.
2043
2044 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2045
2046         PR middle-end/33880
2047         * tree-nested.c (walk_omp_for): New function.
2048         (convert_nonlocal_reference, convert_local_reference): Call
2049         walk_omp_for on OMP_FOR.
2050         (convert_call_expr): Call walk_body on OMP_FOR's
2051         OMP_FOR_PRE_INIT_BODY.
2052
2053 2008-01-25  Richard Guenther  <rguenther@suse.de>
2054
2055         PR tree-optimization/34966
2056         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2057         default defs and PHI_NODEs we have to insert after the
2058         defining statement.
2059
2060 2008-01-24  Nick Clifton  <nickc@redhat.com>
2061
2062         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2063         Provide a default definition.
2064         (LIBGCC2_UNITS_PER_WORD): Likewise.
2065
2066         * config/stormy16/stormy16.c: Include df.h for the prototype
2067         for df_regs_ever_live_p.
2068         (xstormy16_expand_builtin_va_start): Convert the stack offset
2069         into a component_ref and then use POINTER_PLUS_EXPR to add it
2070         to the incoming_virtual_args_rtx.
2071         (xstormy16_gimplify_va_arg_expr): Rename to
2072         xstormy16_gimplify_va_arg_expr.
2073         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2074         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2075         xstormy16_gimplify_va_arg_expr.
2076         Fix up some formatting issues.
2077
2078         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2079         Move to predicates.md.
2080         (xs_hi_general_operand): Likewise.
2081         (xs_hi_nonmemory_operand): Likewise.
2082         * config/stormy16/predicates.md:
2083         (xstormy16_carry_plus_operand): New predicate.
2084         (xs_hi_general_operand): New predicate.
2085         (xs_hi_nonmemory_operand): New predicate.
2086         * config/stormy16/stormy16-protos.h:
2087         (xstormy16_carry_plus_operand): Delete prototype.
2088         (xs_hi_general_operand): Likewise.
2089         (xs_hi_nonmemory_operand): Likewise.
2090
2091         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2092         modifiers as they are no longer needed and they can trigger
2093         reload spill failures.
2094
2095         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2096         with a match_operand in order to help reload.
2097
2098         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2099         constraint with 'e' for the 8th alternative as this version of
2100         the mov.w instruction only accepts the lower 8 registers.
2101
2102 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2103
2104         PR target/34856
2105         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2106         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2107         vector elements.
2108
2109 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR middle-end/33333
2112         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2113
2114 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2115
2116         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2117         New functions.
2118         (remove_structure): Update allocations list before removing structure.
2119
2120 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2121
2122         * ipa-struct-reorg.c (is_safe_cond_expr,
2123         create_new_stmts_for_cond_expr): Use integer_zerop function,
2124         that recognize not only zero-pointer, but zero-integer too.
2125
2126 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2127
2128         PR other/22232
2129         * fixproto: Escape "." in sed expression that strips leading "./".
2130
2131 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         PR driver/34904
2134         * gcc.c (SWITCH_OK): Removed.
2135         (SWITCH_LIVE): Changed to bit.
2136         (SWITCH_FALSE): Likewise.
2137         (SWITCH_IGNORE): Likewise.
2138         (switchstr): Change live_cond to unsigned int.
2139         (process_command): Replace SWITCH_OK with 0.
2140         (do_self_spec): Likewise.
2141         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2142         (give_switch): Likewise.
2143         (used_arg): Likewise.
2144         (do_spec_1): Set the SWITCH_IGNORE bit.
2145         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2146         bits.  Set the SWITCH_LIVE bit.
2147
2148 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2149
2150         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2151
2152 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2153
2154         PR tree-optimization/34472
2155         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2156         parameter to a "bool *" and set *DATA to false if there is
2157         an unsafe access.  Do not delete the structure here.
2158         (check_cond_exprs): Delete it here instead.
2159         (check_cond_exprs, exclude_cold_structs): Do not increase
2160         I when removing a structure.
2161
2162 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2163
2164         PR target/34856
2165         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2166         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2167
2168 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2169
2170         PR middle-end/34934
2171         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2172         a fixed vector for stack.
2173
2174 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2175
2176         PR c++/25701
2177         * doc/gcc.texi (Software development): Add a direntry for g++.
2178
2179 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2180
2181         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2182         stale and straggling -fforce-addr comments above.
2183
2184         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2185         define.
2186         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2187         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2188
2189 2008-01-23  Michael Matz  <matz@suse.de>
2190
2191         PR debug/34895
2192         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2193         gen_type_die.
2194
2195 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2196
2197         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2198         malloc result type.
2199
2200 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2201
2202         * config/avr/avr.c (avr_current_arch): New variable.
2203         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2204         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2205         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2206         (avr_override_options): Init 'avr_current_arch'.
2207         (base_arch_s): Move from here...
2208         * config/avr/avr.h (base_arch_s): ... here. Add new members
2209         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2210         'mega' to 'have_jmp_call'.
2211         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2212         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2213         macros.
2214         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2215         architectures.
2216         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2217         MULTILIB_MATCHES): (Ditto.).
2218
2219 2008-01-23  Richard Guenther  <rguenther@suse.de>
2220
2221         PR middle-end/31529
2222         * cgraphunit.c (cgraph_reset_node): Always mark the node
2223         not reachable if it is not queued already.
2224
2225 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2226
2227         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2228         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2229         (cputype_selected): New static variable.
2230         (bfin_handle_option): Set it if -mcpu is used.
2231         (override_option): Select default set of workarounds if no cpu type
2232         selected on the command line.
2233         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2234
2235         From  Michael Frysinger  <michael.frysinger@analog.com>
2236         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2237         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2238
2239         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2240         for bf547, bf523, bf524, and bf526.
2241         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2242         bf526.
2243         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2244         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2245         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2246         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2247         * doc/invoke.texi (Blackfin Options): Document that
2248         -mcpu now accept bf547, bf523, bf524, and bf526.
2249
2250 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2251
2252         PR rtl-optimization/34628
2253         * combine.c (try_combine): Stop and undo after the first combination
2254         if an autoincrement side-effect on the first insn has effectively
2255         been lost.
2256
2257 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2258
2259         PR target/34529
2260         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2261         Offset addresses are not valid for Altivec or paired float modes.
2262
2263 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2264
2265         PR c++/34607
2266         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2267         if DECL_INITIAL (decl) is error_mark_node.
2268
2269         PR c++/34914
2270         * c-common.c (handle_vector_size_attribute): Only allow
2271         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2272         the same way as pointer, array etc. types.
2273         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2274
2275         PR c++/34917
2276         * tree.c (build_type_attribute_qual_variant): Call
2277         build_qualified_type if attributes are equal, but quals are not.
2278
2279 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2280
2281         PR 32102
2282         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2283         * flags.h (warn_strict_aliasing): Remove.
2284         (warn_strict_overflow): Remove.
2285         * opts.c (warn_strict_aliasing): Remove.
2286         (warn_strict_overflow): Remove.
2287         * c-opts.c (c_common_handle_option): -Wall only sets
2288         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2289         (c_common_post_options): Give default values to -Wstrict-aliasing
2290         and -Wstrict-overflow if they are uninitialized.
2291         * common.opt (Wstrict-aliasing): Specify Var and Init.
2292         (Wstrict-overflow): Likewise.
2293
2294 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2295
2296         PR rtl-optimization/26854
2297         PR rtl-optimization/34400
2298         PR rtl-optimization/34884
2299         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2300         DF_RD->gen.
2301         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2302         (df_rd_bb_info.expanded_lr_out): Deleted
2303         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2304         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2305         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2306         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2307         Removed code to allocate, initialize or free expanded_lr_out.
2308         (df_rd_bb_local_compute_process_def): Restructured to make more
2309         understandable.
2310         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2311         sets if the sets are being trimmed.
2312
2313 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2314
2315         PR bootstrap/32287
2316         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2317         (as_vers): Likewise.
2318         * configure: Regenerated.
2319
2320 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2321
2322         PR middle-end/33092
2323         * tree-pass.h (pass_build_alias): New pass.
2324         * tree-ssa-alias.c (gate_build_alias): New.
2325         (pass_build_alias): New.
2326         * passes.c (init_optimization_passes): Add pass_build_alias after
2327         pass_create_structure_vars.
2328
2329 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2330
2331         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2332         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2333         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2334         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2335         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2336         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2337         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2338         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2339         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2340         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2341         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2342         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2343         * config/s390/s390.md (FP_ALL): New mode iterator.
2344         (_d): New mode attribute.
2345         ("*signbit<mode>2>"): Changed mode of first operand.
2346         ("isinf<mode>2"): Changed mode of first operand.
2347         ("*TDC_insn"): Adaptation for DFP modes.
2348
2349 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2350
2351         * tree.c (check_qualified_type): Improve function description.
2352
2353 2008-01-21  Jason Merrill  <jason@redhat.com>
2354
2355         PR c++/34196
2356         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2357         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2358         if it is set.
2359
2360 2008-01-21  DJ Delorie  <dj@redhat.com>
2361
2362         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2363         return zero.
2364
2365 2008-01-21  Richard Guenther  <rguenther@suse.de>
2366
2367         PR middle-end/34856
2368         * tree-cfg.c (verify_expr): Allow all invariant expressions
2369         instead of just constant class ones as reference argument.
2370         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2371         like any other constant.
2372         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2373
2374 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2375
2376         * regmove.c (fixup_match_1): Update call crossed frequencies.
2377
2378 2008-01-21  Richard Guenther  <rguenther@suse.de>
2379
2380         PR c/34885
2381         * tree-inline.c (setup_one_parameter): Deal with mismatched
2382         types using a VIEW_CONVERT_EXPR.
2383
2384 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2385             Olga Golovanevsky  <olga@il.ibm.com>
2386
2387         PR tree-optimization/34701
2388         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2389         when the structure size is not a power of 2.
2390
2391 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2392
2393         * doc/install.texi: Add doc for --enable-checking=df.
2394
2395 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2396
2397         PR rtl-optimization/34808
2398         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2399
2400 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2401
2402         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2403         input.
2404
2405 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2406
2407         PR rtl-optimization/26854
2408         PR rtl-optimization/34400
2409         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2410         DF_RD->gen.
2411         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2412         (df_rd_bb_info.expanded_lr_out): New.
2413         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2414         * loop_iv.c (iv_analysis_loop_init): Ditto.
2415         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2416         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2417         Added code to allocate, initialize or free expanded_lr_out.
2418         (df_rd_bb_local_compute_process_def): Restructured to make
2419         more understandable.
2420         (df_rd_confluence_n): Add code to do nothing with fake edges and
2421         code to no apply invalidate_by_call sets if the sets are being trimmed.
2422         (df_lr_local_finalize): Renamed to df_lr_finalize.
2423         (df_live_local_finalize): Renamed to df_live_finalize.
2424
2425 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2426
2427         PR target/34831
2428         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2429         deciding whether to use reciprocal instructions.
2430
2431 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2432
2433         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2434         dwarf2out_note_section_used if cold_text_section is NULL.
2435
2436 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2437
2438         PR gcov-profile/34610
2439         * tree-cfg.c (make_edges): Mark both outgoing edges from
2440         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2441         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2442         from OMP_FOR and OMP_CONTINUE outgoing edges.
2443
2444         * tree-profile.c (tree_profiling): Return early if
2445         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2446         at the end.
2447         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2448         from cfun to child_cfun.
2449         * function.h (struct function): Add after_tree_profile bit.
2450
2451 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2452
2453         * config/avr/avr.S (_exit): Disable interrupt.
2454
2455 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2456             Steven Bosscher  <stevenb.gcc@gmail.com>
2457
2458         PR rtl-optimization/26854
2459         PR rtl-optimization/34400
2460         * df-problems.c (df_live_scratch): New scratch bitmap.
2461         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2462         (df_live_reset): Clear the proper bitmaps.
2463         (df_live_bb_local_compute): Only process the artificial defs once
2464         since the order is not important.
2465         (df_live_init): Init the df_live sets only with the variables
2466         found live by df_lr.
2467         (df_live_transfer_function): Use the df_lr sets to prune the
2468         df_live sets as they are being computed.
2469         (df_live_free): Free df_live_scratch.
2470
2471 2008-01-18  Ian Lance Taylor  <iant@google.com>
2472
2473         * common.opt: Add fmerge-debug-strings.
2474         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2475         flag_merge_debug_strings rather than flag_merge_constants.
2476         * doc/invoke.texi (Option Summary): Mention
2477         -fmerge-debug-strings.
2478         (Debugging Options): Document -fmerge-debug-strings.
2479
2480 2008-01-18  Ian Lance Taylor  <iant@google.com>
2481
2482         PR c++/33407
2483         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2484         (struct tree_function_decl): Add new field operator_new_flag.
2485         * tree-inline.c (expand_call_inline): When inlining a call to
2486         operator new, force the return value to go into a variable, and
2487         set DECL_NO_TBAA_P on that variable.
2488         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2489
2490 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2491
2492         PR debug/34484
2493         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2494         DWARF2_DEBUGGING_INFO.
2495         (dwarf2out_note_section_used): Ditto.  Add prototype.
2496         (have_multiple_function_sections, text_section_used,
2497         cold_text_section_used, *cold_text_sections): Move declarations
2498         before their uses.
2499
2500 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2501
2502         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2503         field and add signal_ra.
2504         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2505         assignments to frame state pc.  Move end of stack check after
2506         MD_FALLBACK_FRAME_STATE_FOR.
2507         (uw_update_context_1): Use frame state signal_regs if set, instead
2508         of checking signal_frame flag.
2509         (uw_update_context): Use frame state signal_ra if set.
2510         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2511         * config/xtensa/linux-unwind.h: New file.
2512
2513 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2514
2515         * modulo-sched.c (get_sched_window): Fix comment typo.
2516
2517 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2518
2519         PR tree-optimization/34648
2520         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2521
2522 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2523
2524         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2525         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2526
2527 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2528
2529         PR rtl-optimization/34400
2530         * df-core.c (df_worklist_dataflow_overeager,
2531         df_worklist_dataflow_doublequeue): New functions.
2532         (df_worklist_dataflow): Two different worklist solvers.
2533         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2534         New param.
2535
2536 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         PR testsuite/34821
2539         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2540         and ftree-parallelize-loops.
2541
2542 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2543
2544         PR rtl-optimization/34826
2545         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2546
2547 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2548
2549         * global.c (find_reg): Mark the eh regs as used if necessary.
2550         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2551         * ra.h (struct allocno): no_eh_reg field added.  Changed
2552         no_stack_reg type to bitfield.
2553
2554 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2555
2556         * tree.c (substitute_in_expr): Add missing 'break'.
2557
2558 2008-01-17  Richard Guenther  <rguenther@suse.de>
2559
2560         PR tree-optimization/34825
2561         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2562         x / x as division to handle.
2563
2564 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2565
2566         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2567         "-pthread" is specified.
2568         * pa-hpux11.h (LIB_SPEC): Likewise.
2569
2570 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2571             Peter Bergner  <bergner@vnet.ibm.com>
2572
2573         PR rtl-optimization/33796
2574         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2575
2576 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2577
2578         PR libgfortran/34699
2579         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2580         static links.
2581         * pa-hpux10.h (LINK_SPEC): Likewise.
2582         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2583
2584 2008-01-16  Richard Guenther  <rguenther@suse.de>
2585
2586         PR middle-end/32628
2587         * fold-const.c (fold_convert_const_int_from_int): Do not
2588         set overflow if that occured only because of a sign extension
2589         change when converting from/to a sizetype with the same
2590         precision and signedness.
2591
2592 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2593
2594         PR debug/34249
2595         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2596         location address to the correct place.  Update copyright year.
2597
2598 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2601         no dependences in the dependence_relations vector.
2602
2603 2008-01-16  Jan Hubicka  <jh@suse.cz>
2604
2605         PR rtl-optimization/31396
2606         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2607         * cfg.c (dump_reg_info): Print it.
2608         * regs.h (struct reg_info_t): add freq_calls_crossed.
2609         (REG_FREQ_CALLS_CROSSED): New macro.
2610         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2611         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2612         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2613         regmove_optimize): Update call crossed frequencies.
2614         * local-alloc.c (struct qty): Add freq_calls_crossed.
2615         (alloc_qty): Copute freq_calls_crossed.
2616         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2617         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2618         * ra.h (struct allocno): Add freq_calls_crossed.
2619
2620 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2621
2622         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2623         libgomp when compiling with ftree-parallelize-loops.
2624         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2625
2626 2008-01-16  Richard Guenther  <rguenther@suse.de>
2627
2628         PR tree-optimization/34769
2629         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2630         * tree.c (int_cst_value): Instead make this function more
2631         permissive in what it accepts as valid input.  Document this
2632         function always sign-extends the value.
2633
2634 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2635             Richard Guenther  <rguenther@suse.de>
2636
2637         PR c/34668
2638         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2639         (gimple_fold_indirect_ref_rhs): ... this.
2640         (gimple_fold_indirect_ref): New function with foldings
2641         that preserve lvalueness.
2642         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2643         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2644         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2645         to fold an INDIRECT_REF, fall back to the old use of
2646         fold_indirect_ref_1.
2647
2648 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * tree-data-ref.c (subscript_dependence_tester_1): Call
2651         free_conflict_function.
2652         (compute_self_dependence): Same.
2653
2654 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2655
2656         PR debug/34249
2657         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2658         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2659         function global.
2660         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2661         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2662         for DWARF2_UNWIND_INFO targets.
2663
2664 2008-01-16  Richard Guenther  <rguenther@suse.de>
2665
2666         PR c/34768
2667         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2668         type qualifiers for function types.
2669
2670 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2671
2672         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2673         loop_iterator li from previous commit.
2674
2675 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2678
2679 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2680
2681         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2682         (parallelize_loops): Don't parallelize irreducible components.
2683
2684 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2685
2686         PR c++/24924
2687         * c-opts (c_common_post_options): Do not enable CPP
2688         flag_pedantic_errors by default.
2689
2690 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2691
2692         PR rtl-optimization/31944
2693         * cse.c (remove_pseudo_from_table): New function.
2694         (merge_equiv_classes): Use above function to remove pseudo-registers.
2695         (invalidate): Likewise.
2696
2697 2008-01-13  Richard Guenther  <rguenther@suse.de>
2698
2699         PR middle-end/34601
2700         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2701         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2702
2703 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2704
2705         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2706         validate_change to unshare the source of the PC set.
2707
2708 2008-01-12  Jan Hubicka  <jh@suse.cz>
2709
2710         PR middle-end/32135
2711         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2712         references above array bounds.  This might trigger bounds checks for
2713         pointers to arrays.
2714
2715 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2718         new_replaceable_dependencies.
2719
2720 2008-01-12  Doug Kwan  <dougkwan@google.com>
2721
2722         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2723         instead of OPT_Wreturn_type in warning due to ignored return type
2724         qualifiers.
2725         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2726         options included in -Wextra.
2727         * c.opt: New option -Wignored_qualifiers.
2728         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2729         -Wignore_qualifiers.
2730         (-Wignored-qualifiers): Document.
2731         (-Wreturn-type): Remove description of functionality now handled
2732         by -Wignored-qualifiers.
2733
2734 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2735
2736         PR ada/33788
2737         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2738         NOP_EXPR if it is between integral types with the same precision.
2739
2740 2008-01-12  Jan Hubicka  <jh@suse.cz>
2741
2742         PR other/28023
2743         * invoke.texi (max-inline-recursive-depth): Fix default value.
2744
2745 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2746
2747         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2748         correct type.
2749
2750 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2751
2752         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2753
2754 2008-01-11  James E. Wilson  <wilson@specifix.com>
2755
2756         PR target/26015
2757         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2758
2759 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2760
2761         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
2762         save/restore frame pointer register and don't use 'call-prologues'
2763         optimization in function with "OS_task" attribute.
2764
2765 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2766
2767         PR middle-end/31309
2768         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2769         when copying to memory.
2770
2771 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2772
2773         PR rtl-optimization/30905
2774         * cfgcleanup.c: Include dce.h
2775         (crossjumps_occured): New global variable.
2776         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2777         If something changed, set crossjumps_occured to true.
2778         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2779         Don't add/remove fake edges to exit here...
2780         (cleanup_cfg): ...but do it here, when crossjumping.
2781         Run a fast DCE when successful crossjumps occured in the latest
2782         iteration of try_optimize_cfg.
2783
2784 2008-01-11  Richard Guenther  <rguenther@suse.de>
2785
2786         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2787         (struct vn_unary_op_s): Likewise.
2788         (vn_reference_insert): Free old reference on hash collision.
2789
2790 2008-01-10  Raksit Ashok  <raksit@google.com>
2791
2792         PR rtl-optimization/27971
2793         * combine.c (find_split_point): Split PLUS expressions which are
2794         inside a MEM rtx, and whose first operand is complex.
2795
2796 2008-01-10  DJ Delorie  <dj@redhat.com>
2797
2798         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2799         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2800         (m32c_hard_regno_ok): Call the underlying function.
2801
2802 2008-01-10  Richard Guenther  <rguenther@suse.de>
2803
2804         PR middle-end/34683
2805         * tree-cfg.c (tree_merge_blocks): Do not go through the
2806         full-blown folding and stmt updating path if we just deal
2807         with virtual operands.
2808         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2809         test for abnormal SSA_NAMEs.
2810
2811 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2812
2813         PR middle-end/34641
2814         * reload.c (push_reload): Add assertions.  All constants from
2815         reg_equiv_constant should have been used for replacing the respective
2816         pseudo earlier.
2817         (find_reloads_address): Invoke find_reloads_address_part for
2818         constant taken from the reg_equiv_constant array.
2819
2820 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2821
2822         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2823         field (valnum) the first in the struct.  Replace bools with
2824         unit bit fields.
2825
2826 2008-01-10  Richard Guenther  <rguenther@suse.de>
2827
2828         PR tree-optimization/34651
2829         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2830         types and ordering for masking and converting.
2831
2832 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         PR tree-optimization/34017
2835         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2836         also for PHI_NODE expressions.
2837
2838 2008-01-09  Jan Hubicka  <jh@suse.cz>
2839
2840         PR tree-optimization/34708
2841         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2842         based on number of case labels.
2843         (init_inline_once): Remove switch_cost.
2844         * tree-inline.h (eni_weights_d): Remove switch_cost.
2845
2846 2008-01-09  Richard Guenther  <rguenther@suse.de>
2847         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2848
2849         PR middle-end/30132
2850         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2851         temporary if an rvalue is ok or an lvalue is not required.
2852
2853 2008-01-09  Richard Guenther  <rguenther@suse.de>
2854
2855         PR middle-end/34458
2856         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2857         adjust return type.
2858
2859 2008-01-09  Richard Guenther  <rguenther@suse.de>
2860
2861         PR middle-end/34679
2862         * tree.c (host_integerp): Check for sizetype only if the
2863         type is an integer type.
2864
2865 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2866
2867         PR debug/26364
2868         * opts.c (decode_options): Disable inlining of functions called
2869         once if not in unit-at-a-time mode.
2870
2871 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2872
2873         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2874
2875 2008-01-08  Richard Guenther  <rguenther@suse.de>
2876
2877         PR middle-end/31863
2878         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2879         out early if the result will be unused.
2880
2881 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2882
2883         PR target/34709
2884         Revert:
2885
2886         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2887         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2888         for TARGET_RECIP.
2889
2890 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2891
2892         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2893         for vectorization tuned.
2894
2895 2008-01-08  Richard Guenther  <rguenther@suse.de>
2896
2897         PR tree-optimization/34683
2898         * tree-ssa-operands.c (operand_build_cmp): Export.
2899         * tree-ssa-operands.h (operand_build_cmp): Declare.
2900         * tree-vn.c (vuses_compare): Remove.
2901         (sort_vuses): Use operand_build_cmp.
2902         (sort_vuses_heap): Likewise.
2903         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2904         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2905         (vdefs_to_vec): Do not sort already sorted VDEFs.
2906
2907 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR middle-end/34694
2910         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2911
2912 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2913
2914         PR target/34702
2915         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2916         limitations of reciprocal sequences on x86 targets.
2917
2918 2008-01-08  Richard Guenther  <rguenther@suse.de>
2919
2920         PR tree-optimization/34683
2921         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2922
2923 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2924
2925         PR target/34622
2926         * config/darwin.c (darwin_mergeable_string_section): Don't use
2927         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2928
2929 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2930
2931         PR target/34682
2932         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2933         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2934         predicates of op0 and op1 to register_operand.
2935         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2936         expander using X87MODEF mode iterator.  Change predicates of
2937         op0 and op1 to register_operand.
2938         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2939         corresponding patterns and macroize using MODEF macro.  Change
2940         predicates of op0 and op1 to register_operand and remove
2941         "m" constraint. Disparage "r" alternative with "!".
2942         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2943         macroize using X87MODEF macro.  Change predicates of op0 and op1
2944         to register_operand and remove "m" constraint.  Disparage "r"
2945         alternative with "!".
2946         (absneg splitter with memory operands): Remove.
2947         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2948         patterns and macroize using X87MODEF mode iterator.
2949         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2950         Change predicate of op1 to register_operand.
2951         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2952         for memory operands.
2953
2954 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2955
2956         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2957
2958 2008-01-07  Richard Guenther  <rguenther@suse.de>
2959
2960         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2961         fields.
2962
2963 2008-01-07  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/34683
2966         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2967         VOPs of the needed size to save memory.  Use VEC_quick_push
2968         to save compile-time.
2969         (vdefs_to_vec): Likewise.
2970
2971 2008-01-07  Sa Liu  <saliu@de.ibm.com>
2972
2973         * config/spu/spu.md (divdf3): Genetate inline code for double
2974         division.  The implementation doesn't handle INF or NAN, therefore it
2975         only applies when -ffinite-math-only is given.
2976
2977 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
2978
2979         PR libstdc++/34680
2980         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2981         * doc/cpp.texi ([Common Predefined Macros]): Document.
2982
2983 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
2984
2985         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2986         order to use commutative addition instead of subtraction.
2987
2988 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2989             Mircea Namolaru  <namolaru@il.ibm.com>
2990             Vladimir Yanovsky  <yanov@il.ibm.com>
2991             Revital Eres  <eres@il.ibm.com>
2992
2993         PR tree-optimization/34263
2994         * tree-outof-ssa.c (process_single_block_loop_latch,
2995         contains_tree_r): New functions.
2996         (analyze_edges_for_bb): Call process_single_block_loop_latch
2997         function to empty single-basic-block latch block if possible.
2998
2999 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3000
3001         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3002         for TARGET_RECIP.
3003         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3004
3005 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3006
3007         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3008
3009 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3010
3011         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3012
3013 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3014
3015         PR tree-optimization/34618
3016         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3017         flag from T.
3018
3019 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3020
3021         PR target/34673
3022         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3023         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3024         Update copyright year.
3025
3026         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3027         Update copyright year.
3028         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3029         using NR fixup.
3030
3031 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3032
3033         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3034         edge does not point to current bb before changing need_assert.
3035
3036 2008-01-04  Richard Guenther  <rguenther@suse.de>
3037
3038         PR middle-end/34029
3039         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3040         for verifying purposes if they are is_gimple_min_invariant.
3041
3042 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3043
3044         PR tree-optimization/34448
3045         PR tree-optimization/34465
3046         * gimplify.c (gimplify_init_constructor): Add new parameter
3047         notify_temp_creation.  Use it.
3048         (gimplify_modify_expr_rhs): Take volatiles into account when
3049         optimizing constructors.
3050         Do not optimize constructors if gimplify_init_constructor will dump to
3051         memory.
3052         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3053         * gcc.c-torture/compile/pr34448.c: New.
3054
3055 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3056
3057         PR gcov-profile/34609
3058         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3059         return_slot if result is TREE_ADDRESSABLE.
3060
3061 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3062
3063         * config/mips/mips.md (sqrt_condition): Tweak comment.
3064         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3065
3066 2008-01-03  Tom Tromey  <tromey@redhat.com>
3067
3068         PR c/34457
3069         * c-common.c (c_type_hash): Handle VLAs.
3070
3071 2008-01-03  Jan Hubicka  <jh@suse.cz>
3072
3073         PR tree-optimization/31081
3074         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3075         0 when inlining and not inlining to first basic block.
3076         (remap_decl): When var is initialized to 0, don't set default_def.
3077         (expand_call_inline): Set entry_bb.
3078         * tree-inline.h (copy_body_data): Add entry_bb.
3079
3080 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3081
3082         PR c++/34619
3083         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3084         before returning.
3085
3086         PR tree-optimization/29484
3087         * tree-inline.c (inline_forbidden_p_2): New function.
3088         (inline_forbidden_p): Disallow inlining if some static var
3089         has an address of a local LABEL_DECL in its initializer.
3090         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3091         vs. inlining.
3092
3093 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         PR tree-optimization/34635
3096         * tree-data-ref.c (add_other_self_distances): Make sure that the
3097         evolution step is constant.
3098
3099 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3100
3101         PR middle-end/34608
3102         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3103
3104 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3105
3106         * tree-sra.c (scalarize_init): Insert the generate_element_init
3107         statements after the generate_element_zero statements.
3108
3109 2008-01-02  Richard Guenther  <rguenther@suse.de>
3110
3111         PR middle-end/34093
3112         PR middle-end/31976
3113         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3114         for very large number of operands instead of ICEing.
3115
3116 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3117
3118         PR target/34013
3119         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3120         while stack probing.
3121
3122 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3123
3124         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3125         in C++0x mode.
3126
3127 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3128
3129         PR libmudflap/26442
3130         * tree-mudflap.c (mx_register_decls): Guard warning by
3131         !DECL_ARTIFICIAL check.
3132
3133 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3134
3135         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3136         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3137         sse5_perm<mode>): Fix constraints.