gcc/ChangeLog

   1 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
   2
   3         PR 24924
   4         * c-common.c (flag_permissive): Delete.
   5         (constant_expression_warnings): Check flags first.
   6         (constant_expression_error): New.
   7         * c-common.h (flag_permissive): Delete.
   8         (constant_expression_error): Declare.
   9         * flags.h (flag_permissive): Declare. Update description.
  10         * diagnostic.c (pedwarn): Update.
  11         (permerror): New.
  12         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
  13         (permissive_error_kind): New.
  14         * toplev.c (flag_permissive): Define. Update description.
  15         * toplev.h (permissive_error_kind): Declare.
  16         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
  17         (pedwarn_c90): Use pedantic_warning_kind.
  18         * c-opts.c (c_common_post_options): flag_permissive does not affect
  19         flag_pedantic_errors.
  20
  21 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
  22
  23         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
  24         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
  25         __absvsi2, __absvDI2): Use unsigned arithmetic.
  26
  27 2008-03-02  Andi Kleen  <ak@suse.de>
  28         Richard Guenther  <rguenther@suse.de>
  29
  30         * struct-equiv.c: Remove file.
  31         * cfg_cleanup.c (condjump_equiv_p): Remove.
  32         * Makefile.in (OBJS-common): Remove struct-equiv.o.
  33         (struct-equiv.o): Remove rule.
  34         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
  35         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
  36         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
  37
  38 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
  39
  40         * ifcvt.c (noce_process_if_block): Try to handle only the then
  41         block if the else block exists but isn't suitable.
  42
  43 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
  44
  45         PR gcc/35063
  46         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
  47         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
  48         regression from previous patch.
  49
  50 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
  51
  52         PR gcc/35063
  53         * gthr.h: Add __gthread_mutex_destroy as a function that must be
  54         implemented.
  55         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
  56         * gthr-single.h (__gthread_mutex_destroy): Likewise.
  57         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
  58         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
  59         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
  60         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
  61         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
  62         (__gthread_mutex_destroy_function): Rename to
  63         __gthread_mutex_destroy.
  64         * gthr-dce.h (__gthread_mutex_destroy): Call
  65         pthread_mutex_destroy.
  66         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
  67         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
  68         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
  69
  70 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
  71
  72         * df-scan.c (df_ref_chain_change_bb): Simplify.
  73         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
  74         set_block_for_insn if there's any change.
  75         * df.h ((df_insn_change_bb): Fix prototype.
  76         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
  77         df_insn_change_bb, don't call set_block_for_insn.
  78         * emit-rtl.c (reorder_insns): Likewise.
  79         * haifa-sched.c (move_insn): Likewise.
  80
  81 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
  82
  83         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
  84
  85 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
  86
  87         * tree-flow-inline.h (next_readonly_imm_use): Return
  88         NULL_USE_OPERAND_P after the end.
  89
  90 2008-03-01  Richard Guenther  <rguenther@suse.de>
  91
  92         PR tree-optimization/35411
  93         * tree-sra.c (sra_build_assignment): Split conversion to
  94         final type to a separate statement if we are not assigning
  95         to a register.
  96
  97 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
  98
  99         * fold-const.c (fold_convertible_p): Correct the logic to follow
 100         that in fold_convert().
 101
 102 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 103
 104         PR c++/35315
 105         * tree-inline.c (build_duplicate_type): When we make a
 106         duplicate type, make it unique in the canonical types system.
 107
 108 2008-02-29  Tom Tromey  <tromey@redhat.com>
 109
 110         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 111         input_file_stack_history, input_file_stack_restored): Remove.
 112         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 113         * input.h (struct file_stack): Remove.
 114         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 115         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 116         Likewise.
 117         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 118         type.
 119         (diagnostic_last_module_changed): Add 'map' argument.
 120         (diagnostic_set_last_function): Likewise.
 121         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 122         line map, not input_file_stack.
 123         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 124
 125 2008-02-29  Paul Brook  <paul@codesourcery.com>
 126
 127         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 128
 129 2008-02-29  Paul Brook  <paul@codesourcery.com>
 130
 131         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 132
 133 2008-02-29  Richard Guenther  <rguenther@suse.de>
 134
 135         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 136         vn_lookup_or_add.
 137         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 138         value for comparing for a store match.
 139         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 140         (try_to_simplify): Do not do a full-blown reference lookup.
 141
 142 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 143
 144         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 145         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 146
 147         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 148
 149 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 152         strides against cache sizes.
 153
 154 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 155
 156         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 157         constant to fpul.
 158
 159 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 160
 161         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 162         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 163         is smaller than the original promoted value.
 164         (simplify_subreg): If OP is a SUBREG, try to preserve its
 165         SUBREG_PROMOTED_VAR_P information.
 166
 167 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 168
 169         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 170         (VN_INFO_GET): Allocate new objects on the obstack.
 171         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 172         for rpo_numbers_temp, for consistency.
 173         (free_scc_vn): Free the obstack.
 174
 175 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 176
 177         * doc/invoke.texi: Document -ftree-loop-distribution.
 178         * tree-loop-distribution.c: New.
 179         * tree-pass.h (pass_loop_distribution): New.
 180         * graphds.h (struct graph): Add htab_t indices.
 181         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 182         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 183         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 184         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 185         * tree-data-ref.c (debug_data_dependence_relations): New.
 186         (dump_data_dependence_relation): Also print data references.
 187         (free_data_ref): Extern.
 188         (same_access_functions): Moved...
 189         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 190         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 191         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 192         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 193         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 194         (stmts_from_loop): Skip LABEL_EXPR.
 195         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
 196         (build_rdg): Initialize rdg->indices htab.
 197         (free_rdg, stores_from_loop, ref_base_address,
 198         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 199         have_similar_memory_accesses_1, ref_base_address_1,
 200         remove_similar_memory_refs): New.
 201         * tree-data-ref.h: Depend on tree-chrec.h.
 202         (debug_data_dependence_relations, free_data_ref): Declared.
 203         (same_access_functions): ... here.
 204         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
 205         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 206         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 207         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 208         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 209         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 210         rdg_vertex_for_stmt): Declared.
 211         (struct rdg_edge): Add level.
 212         (RDGE_LEVEL): New.
 213         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 214         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
 215         (rdg_has_similar_memory_accesses): New.
 216         * tree-vect-analyze.c: Remove unused static decls.
 217         * lambda.h (dependence_level): New.
 218         * common.opt (ftree-loop-distribution): New.
 219         * tree-flow.h (mark_virtual_ops_in_bb,
 220         slpeel_tree_duplicate_loop_to_edge_cfg,
 221         rename_variables_in_loop): Declared.
 222         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 223         (OBJS-common): Add tree-loop-distribution.o.
 224         (tree-loop-distribution.o): New rule.
 225         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 226         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 227         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 228
 229 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 230
 231         PR target/33963
 232         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 233         other than structures and unions.
 234
 235 2008-02-28  Richard Guenther  <rguenther@suse.de>
 236
 237         Revert:
 238         2008-02-26  Richard Guenther  <rguenther@suse.de>
 239
 240         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 241         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 242         (lookup_decl_from_uid): Declare.
 243         (remove_decl_from_map): Likewise.
 244         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 245         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 246         (decl_for_uid_map): New global hashtable mapping DECL_UID
 247         to the decl tree.
 248         (init_ttree): Allocate it.
 249         (insert_decl_to_uid_decl_map): New helper function.
 250         (make_node_stat): Insert new decls into the map.
 251         (copy_node_stat): Likewise.
 252         (lookup_decl_from_uid): New function.
 253         (remove_decl_from_map): Likewise.
 254         (print_decl_for_uid_map_statistics): New helper.
 255         (dump_tree_statistics): Call it.
 256
 257         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 258         (referenced_var_iterator): Adjust.
 259         (FOR_EACH_REFERENCED_VAR): Adjust.
 260         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 261         (num_referenced_vars): Adjust.
 262         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 263         (first_referenced_var): Remove.
 264         (end_referenced_vars_p): Likewise.
 265         (next_referenced_var): Likewise.
 266         (referenced_var_iterator_set): New helper function.
 267         * tree-dfa.c (referenced_var_lookup): Adjust.
 268         (referenced_var_check_and_insert): Likewise.
 269         (remove_referenced_var): Likewise.
 270         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 271         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 272         (verify_call_clobbering): Likewise.
 273         (verify_memory_partitions): Likewise.
 274         (init_tree_ssa): Allocate bitmap instead of hashtable for
 275         referenced_vars.
 276         (delete_tree_ssa): Adjust.
 277         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 278         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 279         (compute_tag_properties): Likewise.
 280         (set_initial_properties): Likewise.
 281         (find_partition_for): Likewise.
 282         (update_reference_counts): Likewise.
 283         (dump_may_aliases_for): Likewise.
 284         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 285         (add_call_clobber_ops): Likewise.
 286         (add_call_read_ops): Likewise.
 287         (get_asm_expr_operands): Likewise.
 288         * tree-into-ssa.c (dump_decl_set): Likewise.
 289         (update_ssa): Likewise.
 290         * tree-sra.c (scan_function): Likewise.
 291         (decide_instantiations): Likewise.
 292         (scalarize_parms): Likewise.
 293         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 294         (dsa_named_for): Likewise.
 295         * tree-ssa-structalias.c (update_alias_info): Likewise.
 296         (merge_smts_into): Likewise.
 297
 298 2008-02-27  David Daney  <ddaney@avtrex.com>
 299
 300         PR target/34409
 301         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 302         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 303         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 304         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 305         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 306
 307 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 308
 309         PR target/25477
 310         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 311         (BUILT_IN_NEXTTOWARD): Remove.
 312         (BUILT_IN_NEXTTOWARDF): Ditto.
 313         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 314         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 315
 316 2008-02-27  Tom Tromey  <tromey@redhat.com>
 317
 318         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 319         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 320
 321 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 322
 323         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 324         update the respective field on newdecl.
 325
 326 2008-02-27  Revital Eres  <eres@il.ibm.com>
 327
 328         PR rtl-optimization/34999
 329         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 330         crossing edges that ends with a call insn.
 331         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 332         call insn and clear the EDGE_CROSSING flag of the crossing edge
 333         when fixing fallthru edges.
 334
 335 2008-02-27  Richard Guenther  <rguenther@suse.de>
 336
 337         PR middle-end/35390
 338         * fold-const.c (fold_unary): Return the correct argument,
 339         converted to the result type.
 340
 341 2008-02-27  Richard Guenther  <rguenther@suse.de>
 342
 343         PR middle-end/34971
 344         * expr.c (expand_expr_real_1): Assert on rotates that operate
 345         on partial modes.
 346         * fold-const.c (fold_binary): Use the types precision, not the
 347         bitsize of the mode if folding rotate expressions.  Build rotates
 348         only for full modes.
 349
 350 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 351
 352         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 353         and CPP_PRAGMA_EOL.
 354         * c-pragma.c (pragma_ns_name): New typedef.
 355         (registered_pp_pragmas): New variable.
 356         (c_pp_lookup_pragma): New function.
 357         (c_register_pragma_1): If flag_preprocess_only, do nothing
 358         for non-expanded pragmas, for expanded ones push pragma's
 359         namespace and name into registered_pp_pragmas vector.
 360         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 361         flag_preprocess_only, don't register GCC pch_preprocess
 362         pragma if flag_preprocess_only.
 363         * c-opts.c (c_common_init): Call init_pragma even if
 364         flag_preprocess_only.
 365         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 366         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 367         cpp_register_pragma if flag_preprocess_only.
 368
 369 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 370
 371         PR c/28800
 372         * c-parser.c (c_parser_translation_unit): Warn for empty
 373         translation unit, not empty source file.
 374
 375 2008-02-26  Paul Brook  <paul@codesourcery.com>
 376
 377         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 378         operand for Thumb-2.
 379         * config/arm/arm.h (reg_class): Add CORE_REGS.
 380         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 381         (BASE_REG_CLASS): Use CORE_REGS.
 382         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 383         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 384         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 385         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 386         ARM_REGNO_OK_FOR_INDEX_P.
 387         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 388         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 389         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 390         (ldm/stm peepholes): Ditto.
 391         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 392         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 393         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 394         * config/arm/constraints.md: Enable "k" constraint on ARM.
 395
 396 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 397
 398         * config/rs6000/rs6000.c: Annotate cache line size field in all
 399         instances of struct processor_costs.
 400
 401 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 402
 403         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 404         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 405         jump_bypass): New counters.
 406         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 407         * dce.c (gate_ud_dce): Same.
 408         (gate_fast_dce): Same.
 409         * dse.c (gate_dse1): New function.
 410         (gate_dse2): New function.
 411         (gate_dse): Merge results of new gate functions.
 412         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 413         (gate_handle_jump_bypass): Add dbg_cnt.
 414         (gate_handle_gcse): Add dbg_cnt.
 415         * ifcvt.c (gate_handle_if_conversion): Same.
 416         (gate_handle_if_after_combine): Same.
 417         (gate_handle_if_after_reload): Same.
 418         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 419
 420 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 421
 422         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 423         line sizes.
 424         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 425
 426 2008-02-26  Jason Merrill  <jason@redhat.com>
 427
 428         PR c++/35315
 429         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 430         alone if it's the naming decl for the type's main variant.
 431
 432 2008-02-26  Tom Tromey  <tromey@redhat.com>
 433
 434         * system.h (USE_MAPPED_LOCATION): Poison.
 435         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
 436         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
 437         (make_goto_expr_edges): Likewise.
 438         (remove_bb): Likewise.
 439         (execute_warn_function_return): Likewise.
 440         * basic-block.h (struct edge_def) <goto_locus>: Change type to
 441         location_t.
 442         * c-common.c (fname_decl): Remove old location code.
 443         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
 444         location code.
 445         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
 446         variant.
 447         (ASM_INPUT_SOURCE_LOCATION): Likewise.
 448         (gen_rtx_ASM_INPUT): Likewise.
 449         (gen_rtx_ASM_INPUT_loc): Likewise.
 450         (get_rtx_asm_OPERANDS): Remove.
 451         * cfglayout.c (insn_locators_alloc): Remove old location code.
 452         (set_curr_insn_source_location): Likewise.
 453         (curr_insn_locator): Likewise.
 454         * print-tree.c (print_node): Remove old location code.
 455         * tree-mudflap.c (mf_varname_tree): Remove old location code.
 456         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
 457         * cfgexpand.c (expand_gimple_cond_expr): Don't use
 458         location_from_locus.
 459         (construct_exit_block): Remove old location code.
 460         * emit-rtl.c (force_next_line_note): Remove old location code.
 461         * profile.c (branch_prob): Remove old location code.
 462         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
 463         LOC_LINE): Remove old-location variants.
 464         * langhooks.c (lhd_print_error_function): Remove old location
 465         code.
 466         * configure, config.in: Rebuilt.
 467         * configure.ac (--enable-mapped-location): Remove.
 468         * c-decl.c (c_init_decl_processing): Remove old location code.
 469         (finish_function): Likewise.
 470         * recog.c (decode_asm_operands): Remove old location code.
 471         * c-pch.c (c_common_read_pch): Remove old location code.
 472         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
 473         variants.
 474         * gimple-low.c (lower_function_body): Remove old location code.
 475         * toplev.c (unknown_location): Remove.
 476         (push_srcloc): Remove old-location variant.
 477         (process_options): Remove old location code.
 478         (lang_dependent_init): Likewise.
 479         * input.h (UNKNOWN_LOCATION): Move definition.
 480         (location_t): Undeprecate.
 481         (source_locus): Remove.
 482         (location_from_locus): Remove.
 483         (struct location_s): Remove.
 484         Remove all old-location code.
 485         (input_line, input_filename): Remove.
 486         * final.c (final_scan_insn): Remove old location code.
 487         * diagnostic.c (diagnostic_build_prefix): Remove
 488         USE_MAPPED_LOCATION test.
 489         * tree.h (gimple_stmt) <locus>: Now a location_t.
 490         (tree_exp) <locus>: Likewise.
 491         (DECL_IS_BUILTIN): Remove old-location variant.
 492         (annotate_with_file_line, annotate_with_locus): Likewise.
 493         (expr_locus, set_expr_locus): Update.
 494         * tree.c (build1_stat): Remove old location code.
 495         (last_annotated_node): Remove.
 496         (annotate_with_file_line): Remove old-location variant.
 497         (annotate_with_locus): Likewise.
 498         (expr_location): Remove old location code.
 499         (set_expr_location): Likewise.
 500         (expr_has_location): Likewise.
 501         (expr_locus): Likewise.
 502         (set_expr_locus): Likewise.
 503         (expr_filename): Don't use location_from_locus.
 504         (expr_lineno): Likewise.
 505         * rtl-error.c (location_for_asm): Remove old location code.
 506         * c-lex.c (cb_line_change): Remove old location code.
 507         (fe_file_change): Likewise.
 508         (cb_def_pragma): Likewise.
 509         (c_lex_with_flags): Likewise.
 510         * gengtype.c (do_typedef): Don't special-case location types.
 511         (define_location_structures): Remove.
 512         (main): Don't call define_location_structures.
 513         * tree-pretty-print.c (dump_implicit_edges): Remove old location
 514         code.
 515
 516 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 517
 518         PR 26264
 519         * builtins.def (BUILT_IN_STDARG_START): Remove.
 520         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 521         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
 522         * tree-inline.c (inline_forbidden_p_1): Likewise.
 523
 524 2008-02-26  Richard Guenther  <rguenther@suse.de>
 525
 526         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 527         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 528         (lookup_decl_from_uid): Declare.
 529         (remove_decl_from_map): Likewise.
 530         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 531         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 532         (decl_for_uid_map): New global hashtable mapping DECL_UID
 533         to the decl tree.
 534         (init_ttree): Allocate it.
 535         (insert_decl_to_uid_decl_map): New helper function.
 536         (make_node_stat): Insert new decls into the map.
 537         (copy_node_stat): Likewise.
 538         (lookup_decl_from_uid): New function.
 539         (remove_decl_from_map): Likewise.
 540         (print_decl_for_uid_map_statistics): New helper.
 541         (dump_tree_statistics): Call it.
 542
 543         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 544         (referenced_var_iterator): Adjust.
 545         (FOR_EACH_REFERENCED_VAR): Adjust.
 546         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 547         (num_referenced_vars): Adjust.
 548         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 549         (first_referenced_var): Remove.
 550         (end_referenced_vars_p): Likewise.
 551         (next_referenced_var): Likewise.
 552         (referenced_var_iterator_set): New helper function.
 553         * tree-dfa.c (referenced_var_lookup): Adjust.
 554         (referenced_var_check_and_insert): Likewise.
 555         (remove_referenced_var): Likewise.
 556         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 557         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 558         (verify_call_clobbering): Likewise.
 559         (verify_memory_partitions): Likewise.
 560         (init_tree_ssa): Allocate bitmap instead of hashtable for
 561         referenced_vars.
 562         (delete_tree_ssa): Adjust.
 563         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 564         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 565         (compute_tag_properties): Likewise.
 566         (set_initial_properties): Likewise.
 567         (find_partition_for): Likewise.
 568         (update_reference_counts): Likewise.
 569         (dump_may_aliases_for): Likewise.
 570         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 571         (add_call_clobber_ops): Likewise.
 572         (add_call_read_ops): Likewise.
 573         (get_asm_expr_operands): Likewise.
 574         * tree-into-ssa.c (dump_decl_set): Likewise.
 575         (update_ssa): Likewise.
 576         * tree-sra.c (scan_function): Likewise.
 577         (decide_instantiations): Likewise.
 578         (scalarize_parms): Likewise.
 579         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 580         (dsa_named_for): Likewise.
 581         * tree-ssa-structalias.c (update_alias_info): Likewise.
 582         (merge_smts_into): Likewise.
 583
 584 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 585
 586         PR 34351
 587         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
 588         * c-opts.c (c_common_handle_option): Wall enables
 589         Wvolatile-register-var.
 590         * common.opt: Move Wvolatile-register-var to...
 591         * c.opt: ...here.
 592
 593 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 594
 595         * common.opt (Wlarger-than=): New.
 596         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
 597         -Wlarger-than=.
 598         * opts.c (common_handle_option): Handle -Wlarger-than=.
 599         * optc-gen.awk: Likewise.
 600         * opth-gen.awk: Likewise.
 601         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
 602         * tree-optimize.c (tree_rest_of_compilation): Likewise.
 603
 604 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 605
 606         * c-common.c (match_case_to_enum_1): Add appropriate
 607         OPT_W* parameter to warning.
 608         (c_do_switch_warnings): Likewise.
 609         * c-typeck.c (warning_init): Add one more parameter following
 610         'warning' function.
 611         (push_init_level): Update call to warning_init.
 612         (pop_init_level): Likewise.
 613         (add_pending_init): Likewise.
 614         (output_init_element: Likewise.
 615
 616 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 617
 618         PR 28322
 619         * toplev.c (toplev_main): If there are warnings or error, print
 620         errors for ignored options.
 621         * opts.c (ignored_options): New static variable.
 622         (postpone_unknown_option_error): New.
 623         (print_ignored_options): New.
 624         (handle_option): Postpone errors for unknown -Wno-* options.
 625         * opts.h (print_ignored_options): Declare.
 626
 627 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
 628
 629         * config/mips/mips.md (loadgp_blockage, blockage): Change type
 630         to "ghost".
 631
 632 2008-02-25  Richard Guenther  <rguenther@suse.de>
 633
 634         Revert:
 635         2008-02-25  Richard Guenther  <rguenther@suse.de>
 636
 637         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 638         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 639         (lookup_decl_from_uid): Declare.
 640         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 641         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 642         (decl_for_uid_map): New global hashtable mapping DECL_UID
 643         to the decl tree.
 644         (init_ttree): Allocate it.
 645         (insert_decl_to_uid_decl_map): New helper function.
 646         (make_node_stat): Insert new decls into the map.
 647         (copy_node_stat): Likewise.
 648         (lookup_decl_from_uid): New function.
 649         (print_decl_for_uid_map_statistics): New helper.
 650         (dump_tree_statistics): Call it.
 651
 652         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 653         (referenced_var_iterator): Adjust.
 654         (FOR_EACH_REFERENCED_VAR): Adjust.
 655         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 656         (num_referenced_vars): Adjust.
 657         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 658         (first_referenced_var): Remove.
 659         (end_referenced_vars_p): Likewise.
 660         (next_referenced_var): Likewise.
 661         (referenced_var_iterator_set): New helper function.
 662         * tree-dfa.c (referenced_var_lookup): Adjust.
 663         (referenced_var_check_and_insert): Likewise.
 664         (remove_referenced_var): Likewise.
 665         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 666         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 667         (verify_call_clobbering): Likewise.
 668         (verify_memory_partitions): Likewise.
 669         (init_tree_ssa): Allocate bitmap instead of hashtable for
 670         referenced_vars.
 671         (delete_tree_ssa): Adjust.
 672         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 673         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 674         (compute_tag_properties): Likewise.
 675         (set_initial_properties): Likewise.
 676         (find_partition_for): Likewise.
 677         (update_reference_counts): Likewise.
 678         (dump_may_aliases_for): Likewise.
 679         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 680         (add_call_clobber_ops): Likewise.
 681         (add_call_read_ops): Likewise.
 682         (get_asm_expr_operands): Likewise.
 683         * tree-into-ssa.c (dump_decl_set): Likewise.
 684         (update_ssa): Likewise.
 685         * tree-sra.c (scan_function): Likewise.
 686         (decide_instantiations): Likewise.
 687         (scalarize_parms): Likewise.
 688         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 689         (dsa_named_for): Likewise.
 690         * tree-ssa-structalias.c (update_alias_info): Likewise.
 691         (merge_smts_into): Likewise.
 692
 693 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 694
 695         PR fortran/29549
 696         * doc/invoke.texi (-fcx-limited-range): Document new option.
 697         * toplev.c (process_options): Handle -fcx-fortran-rules.
 698         * common.opt: Add documentation for -fcx-fortran-rules.
 699
 700 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 701
 702         PR c/35162
 703         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
 704         actual behaviour and C99.
 705
 706 2008-02-26  Ben Elliston  <bje@au.ibm.com>
 707
 708         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
 709         (ASM_CPU_POWER6_SPEC): Likewise.
 710         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
 711         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
 712         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
 713
 714 2008-02-25  Richard Guenther  <rguenther@suse.de>
 715
 716         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 717         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 718         (lookup_decl_from_uid): Declare.
 719         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 720         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 721         (decl_for_uid_map): New global hashtable mapping DECL_UID
 722         to the decl tree.
 723         (init_ttree): Allocate it.
 724         (insert_decl_to_uid_decl_map): New helper function.
 725         (make_node_stat): Insert new decls into the map.
 726         (copy_node_stat): Likewise.
 727         (lookup_decl_from_uid): New function.
 728         (print_decl_for_uid_map_statistics): New helper.
 729         (dump_tree_statistics): Call it.
 730
 731         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 732         (referenced_var_iterator): Adjust.
 733         (FOR_EACH_REFERENCED_VAR): Adjust.
 734         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 735         (num_referenced_vars): Adjust.
 736         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 737         (first_referenced_var): Remove.
 738         (end_referenced_vars_p): Likewise.
 739         (next_referenced_var): Likewise.
 740         (referenced_var_iterator_set): New helper function.
 741         * tree-dfa.c (referenced_var_lookup): Adjust.
 742         (referenced_var_check_and_insert): Likewise.
 743         (remove_referenced_var): Likewise.
 744         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 745         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 746         (verify_call_clobbering): Likewise.
 747         (verify_memory_partitions): Likewise.
 748         (init_tree_ssa): Allocate bitmap instead of hashtable for
 749         referenced_vars.
 750         (delete_tree_ssa): Adjust.
 751         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 752         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 753         (compute_tag_properties): Likewise.
 754         (set_initial_properties): Likewise.
 755         (find_partition_for): Likewise.
 756         (update_reference_counts): Likewise.
 757         (dump_may_aliases_for): Likewise.
 758         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 759         (add_call_clobber_ops): Likewise.
 760         (add_call_read_ops): Likewise.
 761         (get_asm_expr_operands): Likewise.
 762         * tree-into-ssa.c (dump_decl_set): Likewise.
 763         (update_ssa): Likewise.
 764         * tree-sra.c (scan_function): Likewise.
 765         (decide_instantiations): Likewise.
 766         (scalarize_parms): Likewise.
 767         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 768         (dsa_named_for): Likewise.
 769         * tree-ssa-structalias.c (update_alias_info): Likewise.
 770         (merge_smts_into): Likewise.
 771
 772 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
 773
 774         PR target/35258
 775         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
 776         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
 777         * alias.h (nonoverlapping_memrefs_p): Likewise.
 778
 779 2008-02-25  Jan Beulich  <jbeulich@novell.com>
 780
 781         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
 782         * config/i386/netware-libgcc.exp: Add __bswap?i2,
 783         __emultls_get_address, __emultls_register_common,
 784         __floatundi?f, and _Unwind_GetIPInfo.
 785         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
 786         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
 787         (gen_regparm_prefix): Likewise.
 788         (i386_nlm_encode_section_info): Sync with
 789         config/i386/winnt.c:i386_pe_encode_section_info().
 790         (i386_nlm_maybe_mangle_decl_assembler_name): New.
 791         i386_nlm_mangle_decl_assembler_name): New.
 792         (netware_override_options): New.
 793         * config/i386/netware.h (netware_override_options): Declare.
 794         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
 795         (i386_nlm_mangle_decl_assembler_name): Declare.
 796         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
 797
 798 2008-02-25  Ben Elliston  <bje@au.ibm.com>
 799
 800         PR other/32948
 801         * c-decl.c (grokdeclarator): Remove unused local variables
 802         `typedef_type' and `type_as_written'.
 803         * bb-reorder.c
 804         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
 805         unused local variable `has_hot_blocks'.
 806         (fix_crossing_conditional_branches): Remove unused local variable
 807         `prev_bb'.
 808
 809 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
 810
 811         PR middle-end/19984
 812         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
 813         using DEF_C99_BUILTIN.
 814         (BUILT_IN_NANF): Ditto.
 815         (BUILT_IN_NANL): Ditto.
 816
 817 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
 818             Revital Eres  <eres@il.ibm.com>
 819
 820         * modulo-sched.c (calculate_must_precede_follow): Address TODO
 821         regarding the order of two dependent insns in the same row.
 822
 823 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 824
 825         * stor-layout.c (layout_decl): Do not bump the alignment of a
 826         bit-field to more than byte alignment if it is packed.
 827
 828 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
 829
 830         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
 831         e300c2 and e300c3.
 832
 833 2008-02-24  Diego Novillo  <dnovillo@google.com>
 834
 835         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
 836
 837         PR 33738
 838         * tree-vrp.c (vrp_evaluate_conditional): With
 839         -Wtype-limits, emit a warning when comparing against a
 840         constant outside the natural range of OP0's type.
 841         * c.opt (Wtype-limits): Move ...
 842         * common.opt (Wtype-limits): ... here.
 843
 844 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
 845
 846         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
 847         * config/rs6000/e300c2c3.md: New file.
 848         * config/rs6000/rs6000.c (processor_costs): Add new costs for
 849         e300c2 and e300c3.
 850         (rs6000_override_options): Add e300c2 and e300c3 cases to
 851         processor_target_table. Do not allow usage of Altivec or Spe
 852         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
 853         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
 854         * config/rs6000/rs6000.h (processor_type): Add
 855         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
 856         (ASM_CPU_SPEC): Add e300c2 and e300c3.
 857         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
 858         and ppce300c3. Include e300c2c3.md.
 859
 860 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
 861
 862         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
 863         instead of TARGET_STRICT_ALIGN.
 864
 865 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
 866
 867         * explow.c (memory_address): Assert that the generated address is
 868         valid.
 869
 870 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 871
 872         PR target/25477
 873         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
 874         * config/darwin-ppc-ldouble-patch.def: New file.
 875         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
 876         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
 877         SUBTARGET_INIT_BUILTINS if defined.
 878         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
 879         New functions.
 880
 881 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 882
 883         PR rtl-opt/33512
 884         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
 885         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
 886
 887 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 888
 889         PR pch/35027
 890         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
 891         file" warning condtional on -Winvalid-PCH.
 892
 893 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 894
 895         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
 896
 897 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
 898
 899         PR target/22076
 900         PR target/34256
 901         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
 902         prevent reload from using MMX registers.
 903         (*mov<mode>_internal): Ditto.
 904         (*movv2sf_internal_rex64): Ditto.
 905         (*movv2sf_internal): Ditto.
 906
 907 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 908
 909         PR documentation/31569
 910         * doc/install.texi2html: Use makeinfo --no-number-sections.
 911
 912 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 913
 914         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
 915         ensure that we can address an entire entity > 8 bytes.  Don't
 916         generate reg+reg addressing for such data.
 917
 918 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 919
 920         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
 921         strings when optimizing for size, unless the target cares about
 922         alignment.
 923
 924 2008-02-22  Tom Tromey  <tromey@redhat.com>
 925
 926         * regclass.c (current_pass): Remove declaration.
 927
 928 2008-02-22  Anatoly Sokolov <aesok@post.ru>
 929
 930         * config/avr/libgcc.S (__RAMPZ__): Define.
 931         (__do_copy_data): Add for devices with 128KB code memory.
 932
 933 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 934
 935         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
 936         Use spe_abi.
 937         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
 938
 939 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
 940
 941         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
 942         GENNONACR_REGS.
 943
 944 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 945
 946         PR c/19999
 947         * c-typeck.c (build_binary_op): Warn about floating point
 948         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
 949
 950 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
 951
 952         PR target/34526
 953         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
 954         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
 955         add vrsave.
 956         (rs6000_override_options): Set altivec_abi as default, not override,
 957         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
 958         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
 959         is used; use new member spe_abi.
 960         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
 961         spe_abi and altivec_abi.
 962
 963 2008-02-22  Tomas Bily  <tbily@suse.cz>
 964
 965         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
 966
 967 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 968
 969         PR bootstrap/35273
 970         * config.build (build_file_translate): Set to `CMD //c' only if
 971         it works.
 972         * Makefile.in (build_file_translate): Improve comment.
 973
 974 2008-02-21  Jan Hubicka  <jh@suse.cz>
 975
 976         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
 977         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
 978         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
 979
 980 2008-02-21  Michael Matz  <matz@suse.de>
 981
 982         PR target/35264
 983         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
 984
 985 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
 986
 987         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
 988         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
 989         as insn constraint.
 990         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
 991         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
 992         SSE_VEC_FLOAT_MODE_P as insn constraint.
 993         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
 994         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
 995         sse4a_movntdf using MODEF mode iterator.
 996         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
 997         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
 998         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
 999         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1000         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1001         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1002         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1003
1004 2008-02-21  Richard Guenther  <rguenther@suse.de>
1005
1006         * tree.def (PAREN_EXPR): New tree code.
1007         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1008         and PAREN_EXPR.
1009         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1010         * expr.c (expand_expr_real_1): Likewise.
1011         * tree-inline.c (estimate_num_insns_1): Likewise.
1012         * tree-complex.c (expand_complex_move): Likewise.
1013         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1014         as plain x.
1015
1016 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1017
1018         PR target/35225
1019         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1020
1021 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1022
1023         PR target/35190
1024         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1025
1026         * config/sh/sh.c (find_barrier): Don't go past
1027         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1028
1029 2008-02-20  DJ Delorie  <dj@redhat.com>
1030
1031         * config/h8300/h8300.md (insv): Force source operand to be a register.
1032
1033         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1034         as a jump, not as a plain insn.
1035
1036 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1037
1038         * doc/invoke.texi (Warning Options): Add new option
1039         -Wframe-larger-than=.
1040         (-Wframe-larger-than): Document.
1041
1042         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1043         Add declarations for new option variables.
1044
1045         * final.c (final_start_function): Check the frame size
1046         before emission and issue a Wframe-larger-than warning.
1047
1048         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1049         Add definitions for new option variables.
1050         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1051
1052         * common.opt (Wframe-larger-than=): New option.
1053
1054 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1055
1056         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1057         (<sse>_div<mode>3): Ditto.
1058         (<sse>_vmdiv<mode>3): Ditto.
1059         (<sse>_vmsqrt<mode>2): Ditto.
1060         (*smax<mode>3): Ditto.
1061         (sse5_frcz<mode>2): Ditto.
1062         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1063         as insn constraint.
1064
1065 2008-02-20  Richard Guenther  <rguenther@suse.de>
1066
1067         PR middle-end/35265
1068         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1069         be happy with INTEGRAL_TYPE_P.
1070
1071 2008-02-20  Richard Guenther  <rguenther@suse.de>
1072
1073         * fold-const.c (split_tree): Associate floatig-point expressions
1074         if flag_associative_math is set.
1075
1076 2008-02-20  Richard Guenther  <rguenther@suse.de>
1077
1078         * tree.h (fold_real_zero_addition_p): Declare.
1079         * fold-const.c (fold_real_zero_addition_p): Export.
1080         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1081         floating-point operations with zero and one.
1082
1083 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1084
1085         * doc/install.texi: Correct references to CFLAGS, replacing them
1086         with BOOT_CFLAGS.  Document flags used during bootstrap for
1087         target libraries.
1088
1089 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1090
1091         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1092         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1093         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1094         insn constraint.
1095         (smin<mode>3): Ditto from similar patterns.
1096         (smax<mode>3): Ditto.
1097         (*ieee_smin<mode>3): Ditto.
1098         (*ieee_smax<mode>3): Ditto.
1099         * config/i386/sse.md (sse): New mode attribute.
1100         (mov<mode>): Macroize expander from movv4sf and movv2df using
1101         SSEMODEF2P mode iterator.
1102         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1103         SSE_VEC_FLOAT_MODE_P as insn constraint.
1104         (storent<mode>): Ditto.
1105         (storent<mode>): Macroize expander from storentsf and storentdf using
1106         MODEF mode iterator.
1107         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1108         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1109         (abs<mode>2): Ditto from similar patterns.
1110         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1111         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1112         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1113         (<sse>_vmsqrt<mode>2): Ditto.
1114         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1115         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1116         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1117         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1118         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1119         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1120         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1121         insn constraint.
1122         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1123         iterator and SSE_FLOAT_MODE_P as insn constraint.
1124         (<sse>_ucomi): Ditto from similar patterns.
1125         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1126         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1127         SSE_VEC_FLOAT_MODE_P as insn constraint.
1128         (vcond<mode>): Ditto from similar patterns.
1129         (and<mode>3, *and<mode>3): Ditto.
1130         (<sse>_nand<mode>3): Ditto.
1131         (ior<mode>3, *ior<mode>3): Ditto.
1132         (xor<mode>3, *xor<mode>3): Ditto.
1133         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1134         iterator and SSE_FLOAT_MODE_P as insn constraint.
1135         (*nand<mode>3): Ditto from similar patterns.
1136         (*ior<mode>3): Ditto.
1137         (*xor<mode>3): Ditto.
1138
1139 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1140
1141         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1142         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1143         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1144
1145 2008-02-19  Jan Hubicka  <jh@suse.cz>
1146
1147         * predict.c (tree_bb_level_predictions): Remove variable next
1148         mistakely introduced by previous commit.
1149
1150 2008-02-19  Jan Hubicka  <jh@suse.cz>
1151
1152         * predict.c (predict_paths_leading_to): Rewrite.
1153         (predict_paths_for_bb): New.
1154         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1155
1156 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1157
1158         PR bootstrap/35218
1159         * Makefile.in (build_file_translate): New.
1160         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1161         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1162         * configure.ac (build_file_translate): Substitute it.
1163         * configure: Regenerate.
1164
1165 2008-02-19  Jan Hubicka  <jh@suse.cz>
1166
1167         PR rtl-optimization/34408
1168         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1169         invalid sharing.
1170
1171 2008-02-19  Jan Hubicka  <jh@suse.cz>
1172
1173         PR middle-end/28779
1174         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1175         call_expr.
1176
1177 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1178
1179         PR Ada/35186
1180         * config/i386/i386-modes.def: Revert the last DI alignment
1181         change until Ada people can look into it.
1182
1183 2008-02-19  Nick Clifton  <nickc@redhat.com>
1184
1185         * opts.c (print_specific_help): Fix typo in --help text.
1186
1187 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1188
1189         PR target/35239
1190         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1191         32-bit inline asm without asm alternatives for host GCC < 3.0.
1192
1193 2008-02-19  Richard Guenther  <rguenther@suse.de>
1194
1195         PR tree-optimization/34989
1196         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1197         Allow propagation to INDIRECT_REF if we can simplify only.
1198
1199 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1200
1201         * c-common.c (warn_for_collisions_1): Use appropriate option when
1202         warning.
1203
1204 2008-02-19  Nick Clifton  <nickc@redhat.com>
1205
1206         PR other/31349
1207         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1208         (handle_options): Fix indentation.
1209         (print_filtered_help): If no language-specific options were
1210         displayed tell the user how to list all the options supported by
1211         the language's front-end.
1212         (print_specific_help): Fix indentation and remove duplicate line.
1213         (common_handle_option): Handle the -v option.
1214         For --help enable the display of undocumented options if the -v
1215         switch has been included on the command line.
1216         For --help= check for overlaps in the arguments between the option
1217         classes and the language names and issue a warning when they
1218         cannot be disambiguated.
1219         * c.opt (v): Pass on to the common option handler.
1220
1221 2008-02-19  Revital Eres  <eres@il.ibm.com>
1222
1223         * modulo-sched.c (sms_schedule): Change dump message when
1224         create_ddg function fails.
1225         (try_scheduling_node_in_cycle): Rename row to cycle.
1226         (print_partial_schedule): Rename CYCLE to ROW.
1227
1228 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1229             Zdenek Dvorak  <ook@ucw.cz>
1230
1231         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1232
1233 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR target/33555
1236         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1237         (*x86_movdicc_0_m1_se): Ditto.
1238
1239 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1242         (CMPtype): Define as __gcc_CMPtype.
1243         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1244         (CMPtype): Define as __gcc_CMPtype.
1245
1246 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1247
1248         Support valgrind 3.3 for --enable-checking=valgrind.
1249         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1250         here.
1251         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1252         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1253         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1254         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1255         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1256         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1257         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1258         respectively.
1259         * ggc-zone.c: Similar.
1260         * ggc-page.c: Similar.
1261
1262 2008-02-19  Paul Brook  <paul@codesourcery.com>
1263
1264         PR target/35071
1265         * config/arm/ieee754-df.S: Fix do_it typo.
1266         * config/arm/ieee754-sf.S: Fix do_it typo.
1267
1268 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1269
1270         PR target/35189
1271         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1272         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1273         (OPTION_MASK_ISA_SSE_SET): Likewise.
1274         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1275         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1276         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1277         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1278         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1279         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1280         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1281         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1282         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1283         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1284         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1285         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1286         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1287         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1288         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1289         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1290         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1291         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1292         (OPTION_MASK_ISA_SSE4): Removed.
1293         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1294         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1295         -mXXX.
1296         (override_options): Don't turn on implied SSE/MMX bits in
1297         ix86_isa_flags.
1298
1299 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1300
1301         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1302         32bit host.
1303
1304 2008-02-18  Joey Ye  <joey.ye@intel.com>
1305
1306         PR middle-end/34921
1307         * tree-nested.c (insert_field_into_struct): Set type alignment
1308         to field alignment if the former is less than the latter.
1309
1310 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1311
1312         * BASE-VER: Set to 4.4.0.
1313
1314 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1315
1316         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1317         * doc/cfg.texi: Likewise.
1318         * doc/extend.texi: Likewise.
1319         * doc/gty.texi: Likewise.
1320         * doc/invoke.texi: Likewise.
1321         * doc/loop.texi: Likewise.
1322         * doc/md.texi: Likewise.
1323         * doc/passes.texi: Likewise.
1324         * doc/rtl.texi: Likewise.
1325         * doc/sourcebuild.texi: Likewise.
1326         * doc/tm.texi: Likewise.
1327         * doc/tree-ssa.texi: Likewise.
1328
1329 2008-02-17  Richard Guenther  <rguenther@suse.de>
1330
1331         PR middle-end/35227
1332         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1333         without default definition.
1334
1335 2008-02-17  Richard Guenther  <rguenther@suse.de>
1336
1337         PR tree-optimization/35231
1338         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1339         if A | B != 1.
1340
1341 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1342
1343         Revert:
1344
1345         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1346         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1347         libgcc_cmp_return mode.
1348
1349 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1350
1351         PR c/28368
1352         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1353
1354 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1355
1356         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1357         multilibs.
1358
1359 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1360
1361         * doc/c-tree.texi: Use `@.' where appropriate.
1362         * doc/extend.texi: Likewise.
1363         * doc/install.texi: Likewise.
1364         * doc/invoke.texi: Likewise.
1365         * doc/loop.texi: Likewise.
1366         * doc/makefile.texi: Likewise.
1367         * doc/md.texi: Likewise.
1368         * doc/passes.texi: Likewise.
1369         * doc/standards.texi: Likewise.
1370         * doc/tm.texi: Likewise.
1371
1372 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1373
1374         PR middle-end/35196
1375         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1376         in entry_bb.
1377         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1378         rather than in entry_bb.
1379
1380 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1381
1382         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1383         libgcc_cmp_return mode.
1384
1385 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1386
1387         PR middle-end/35130
1388         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1389         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1390
1391 2008-02-15  Richard Guenther  <rguenther@suse.de>
1392             Zdenek Dvorak  <ook@ucw.cz>
1393
1394         PR tree-optimization/35164
1395         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1396         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1397         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1398         Only propagate addresses which do not have abnormal SSA_NAMEs
1399         in their operands.
1400
1401 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1402
1403         PR target/35088
1404         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1405
1406 2008-02-15  Jan Hubicka  <jh@suse.cz>
1407
1408         PR middle-end/35149
1409         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1410
1411 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1412
1413         PR middle-end/34621
1414         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1415         when calculating alignment_pad.
1416
1417 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1418
1419         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1420         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1421         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1422         and STACK_BOUNDARY define.
1423
1424 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1425
1426         PR preprocessor/35061
1427         * c-pragma.c (handle_pragma_pop_macro): Check that
1428         pushed_macro_table has been allocated.
1429
1430 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1431
1432         PR middle-end/35136
1433         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1434         (force_gimple_operand): Likewise.
1435         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1436         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1437         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1438         (find_interesting_uses_address): Check addressability and alignment
1439         of the base expression only after substituting bases of IVs into it.
1440
1441 2008-02-14  Michael Matz  <matz@suse.de>
1442
1443         PR target/34930
1444         * function.c (instantiate_virtual_regs_in_insn): Reload address
1445         before falling back to reloading the whole operand.
1446
1447 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1448
1449         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1450         before the first section switch note.
1451
1452 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1453
1454         * doc/bugreport.texi: Update copyright years.
1455         * doc/c-tree.texi: Likewise.
1456         * doc/cfg.texi: Likewise.
1457         * doc/cpp.texi: Likewise.
1458         * doc/cppinternals.texi: Likewise.
1459         * doc/fragments.texi: Likewise.
1460         * doc/frontends.texi: Likewise.
1461         * doc/gcc.texi: Likewise.
1462         * doc/gty.texi: Likewise.
1463         * doc/hostconfig.texi: Likewise.
1464         * doc/implement-c.texi: Likewise.
1465         * doc/libgcc.texi: Likewise.
1466         * doc/loop.texi: Likewise.
1467         * doc/makefile.texi: Likewise.
1468         * doc/options.texi: Likewise.
1469         * doc/passes.texi: Likewise.
1470         * doc/rtl.texi: Likewise.
1471         * doc/sourcebuild.texi: Likewise.
1472         * doc/standards.texi: Likewise.
1473         * doc/tree-ssa.texi: Likewise.
1474         * doc/trouble.texi: Likewise.
1475
1476         * doc/extend.texi: Use @: or add comma where appropriate.
1477         * doc/invoke.texi: Likewise.
1478         * doc/tm.texi: Likewise.
1479
1480 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1481
1482         PR target/34393
1483         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1484         to a reg.
1485
1486 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1487
1488         * doc/md.texi (clz, ctz): Add reference.
1489         * doc/rtl.texi (clz, ctz): Likewise.
1490
1491 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1492
1493         PR other/35148
1494         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1495         srcdir.
1496
1497 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1498
1499         * config/s390/s390.c (struct constant_pool): New field
1500         emit_pool_after added.
1501         (s390_mainpool_start): Set the emit_pool_after flag according
1502         to the section switch notes.
1503         (s390_mainpool_finish): Consider emit_pool_after when emitting
1504         the literal pool at the end of the function.
1505         (s390_chunkify_start): Force literal pool splits at section
1506         switch notes.
1507
1508 2008-02-13  Michael Matz  <matz@suse.de>
1509
1510         PR debug/35065
1511         * var-tracking.c (clobber_variable_part): Correctly traverse the
1512         list.
1513
1514 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1515
1516         PR 29673
1517         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1518         Add -fdump-ipa-inline.
1519         * tree-dump.c (dump_files): Remove tree-inlined dump.
1520         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1521
1522 2008-02-12  Richard Guenther  <rguenther@suse.de>
1523
1524         PR tree-optimization/35171
1525         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1526         default defs.
1527
1528 2008-02-12  Richard Guenther  <rguenther@suse.de>
1529
1530         PR middle-end/35163
1531         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1532         value-preserving mode.  Disallow final truncation.
1533
1534 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1535
1536         PR middle-end/35136
1537         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1538         code from here to...
1539         (force_gimple_operand): ...here.
1540
1541 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1542
1543         PR c++/35144
1544         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1545         non-compatible pointers.
1546         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1547         different FIELD_DECLs, try harder by comparing field offsets, sizes
1548         and types.
1549
1550         PR inline-asm/35160
1551         * function.c (match_asm_constraints_1): Don't replace the same input
1552         multiple times.
1553
1554 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1555
1556         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1557         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1558         (expand_epilogue): Restore RAMPZ register.
1559         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1560
1561 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1562
1563         * config/i386/cygwin.asm: (__alloca): Correct calling
1564         convention and alignment.
1565         (__chkstk): Force 8 byte stack alignment.
1566
1567 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1568             Richard Guenther  <rguenther@suse.de>
1569
1570         PR tree-optimization/33992
1571         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1572         the zero we compare against.
1573
1574 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1575
1576         PR libfortran/35063
1577         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1578         to CloseHandle after unlocking to prevent accumulation of handle
1579         count.
1580
1581 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1582
1583         PR middle_end/34150
1584         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1585         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1586         and update LABEL_NUSES during and after reload.
1587
1588 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1589
1590         PR middle-end/34627
1591         * combine.c (simplify_if_then_else): Make sure the comparison is
1592         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1593
1594 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1595
1596         PR bootstrap/35051
1597         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1598         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1599         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1600         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1601         * tree.h (get_type_static_bounds): Likewise.
1602
1603 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1604
1605         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1606         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1607         Make -Wfoo language annotations match what the compiler outputs.
1608
1609 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1610
1611         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
1612         intrinsics spu_convts, spu_convtu, spu_convtf.
1613         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1614
1615 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1616
1617         * doc/extend.texi (Function Attributes) <noinline>: Mention
1618         asm ("") as method to keep calls.
1619
1620 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1621
1622         PR other/32754
1623         * doc/options.texi (Options): Replace references to opts.sh with
1624         optc-gen.awk.
1625         * opts-common.c: Likewise.
1626         * optc-gen.awk: Likewise.
1627
1628 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1629
1630         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1631
1632 2008-02-07  Richard Henderson  <rth@redhat.com>
1633
1634         PR rtl-opt/33410
1635         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1636         EXPR_LIST for the REG_EQUAL instead of a comparison with a
1637         funny mode.
1638
1639 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1640
1641         PR tree-optimization/35085
1642         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1643         for operand entry oe2 in addition to operand entry oe3 in order to
1644         expose more opportunities for vectorizer sum reduction.
1645
1646 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1647
1648         PR other/35107
1649         * Makefile.in (LIBS): Remove $(GMPLIBS).
1650         (cc1-dummy, cc1): Add $(GMPLIBS).
1651
1652 2008-02-06  Jan Hubicka  <jh@suse.cz>
1653
1654         PR target/23322
1655         * i386.md (moddf_integer): Do not produce partial memory stalls for
1656         targets where it hurts.
1657
1658 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         PR target/35083
1661         * optabs.c (expand_float): Do not check for decimal modes when
1662         expanding unsigned integer through signed conversion.
1663
1664 2008-02-06  Nick Clifton  <nickc@redhat.com>
1665
1666         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1667         inside the clobber with a match_operand and duplicated operand
1668         number in the constraint.
1669         (ineqbranchsi): Delete redundant comment.
1670
1671 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1672
1673         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
1674         builtin_define ("__USE_INIT_FINI__").
1675         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1676         -msx multilibs.
1677         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1678
1679 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1680
1681         PR documentation/30330
1682         * doc/invoke.texi (C++ Dialect Options)
1683         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1684         For each warning option -Wfoo that allows -Wno-foo, ensure both
1685         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1686         entry of -Wswitch-default, index -Wnormalized= including the
1687         `=', and -Wlarger-than-@var{len} including @var{len}.
1688
1689 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1690
1691         * config/i386/i386.md (floatunssisf2): Use
1692         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1693         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1694         Macroize expander using MODEF mode iterator.
1695
1696 2008-02-05  Diego Novillo  <dnovillo@google.com>
1697
1698         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1699
1700         PR 33738
1701         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1702
1703 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1704
1705         PR other/35070
1706         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1707
1708 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1709
1710         PR target/35084
1711         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1712         to indicate if a message should be generated.
1713         (init_cumulative_args): Updated.
1714         (function_value_32): Likewise.
1715
1716 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1717
1718         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1719
1720 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1721
1722         PR target/35083
1723         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1724         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1725
1726 2008-02-04  Diego Novillo  <dnovillo@google.com>
1727
1728         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1729
1730         PR 33738
1731         * tree-vrp.c (vrp_evaluate_conditional): With
1732         -Wtype-limits, emit a warning when comparing against a
1733         constant outside the natural range of OP0's type.
1734
1735 2008-02-04  Richard Guenther  <rguenther@suse.de>
1736
1737         PR middle-end/33631
1738         * expr.c (count_type_elements): Give for unions instead of
1739         guessing.
1740
1741 2008-02-04  Richard Guenther  <rguenther@suse.de>
1742
1743         PR middle-end/35043
1744         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1745         to TYPE_DOMAINs base type instead of using bitsizetype here.
1746
1747 2008-02-03  Jason Merrill  <jason@redhat.com>
1748
1749         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1750
1751 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1752
1753         PR other/29972
1754         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1755         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1756         (RS/6000 and PowerPC Options): Fix typos and markup.
1757         * doc/passes.texi (Tree-SSA passes): Likewise.
1758
1759 2008-02-02  Michael Matz  <matz@suse.de>
1760
1761         PR target/35045
1762         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1763         from record_last_reg_set_info.
1764         (record_last_reg_set_info): Take an RTX argument, iterate over all
1765         constituent hardregs.
1766         (record_last_set_info, record_opr_changes): Change calls to
1767         new signature or to record_last_reg_set_info_regno.
1768
1769 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1770
1771         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1772
1773 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1774
1775         PR rtl-optimization/34773
1776         * reg-notes.def (EQUAL): Mention significance of combination of
1777         REG_EQUAL and REG_RETVAL.
1778         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1779         insn that has a REG_RETVAL.
1780
1781 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1782
1783         PR bootstrap/33781
1784         * configure.ac (--enable-fixed-point): Disable unless explicitly
1785         requested on IRIX.
1786         * configure: Regenerate.
1787
1788 2008-02-01  Richard Guenther  <rguenther@suse.de>
1789
1790         PR other/35042
1791         * invoke.texi (-finline-limit): Remove no longer true parts
1792         of the documentation.  Note that there is no default value.
1793
1794 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1795             Mark Mitchell  <mark@codesourcery.com>
1796             Ben Elliston  <bje@au.ibm.com>
1797
1798         PR c/29326
1799         * doc/extend.texi (Other Builtins): Document.
1800
1801 2008-01-31  Tom Browder <tom.browder@gmail.com>
1802
1803         * doc/c-tree.texi (Types): Fix grammar.
1804         (Expression trees): Ditto.
1805         * doc/passes.texi (Tree-SSA passes): Ditto.
1806
1807         * doc/configterms.texi (Configure Terms): Fix typo.
1808         * doc/cpp.texi (Common Predefined Macros): Ditto.
1809         * doc/md.texi (Machine Constraints): Ditto.
1810
1811         * doc/makefile.texi (Makefile): Add comma.
1812
1813 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1814             Gerald Pfeifer  <gerald@pfeifer.com>
1815
1816         * doc/sourcebuild.texi (Front End): Remove references to CVS
1817         and CVSROOT/modules.
1818         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1819         (Back End): Remove reference to CVS.
1820
1821 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1822
1823         PR target/34900
1824         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1825         comment from...
1826         (mips16_gp_pseudo_reg): ...here.
1827         * config/mips/mips.md (load_const_gp): Replace with...
1828         (load_const_gp_<mode>): ...this :P-based insn.
1829
1830 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1831
1832         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1833         options. Minor fixes.
1834         (-std): Move reference to standards closer to where language
1835         standards are first mentioned.
1836
1837 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1838
1839         PR rtl-optimization/34995
1840         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1841         parameter and return a bool.  If the rtx parameter is nonnull,
1842         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1843         (find_reloads): Update call accordingly.  Pass the new operand
1844         if it needed no address reloads, otherwise pass null.
1845
1846 2008-01-30  Richard Henderson  <rth@redhat.com>
1847
1848         PR c/34993
1849         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1850         for unbounded arrays.
1851
1852 2008-01-30  Silvius Rus  <rus@google.com>
1853
1854         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1855
1856 2008-01-30  Jan Hubicka  <jh@suse.cz>
1857
1858         PR target/34982
1859         * i386.c (init_cumulative_args): Use real function declaration when
1860         calling locally.
1861
1862 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1863
1864         PR rtl-optimization/34998
1865         * global.c (build_insn_chain): Treat non-subreg_lowpart
1866         SUBREGs of pseudos as clobbering all the words covered by the
1867         SUBREG, not just all the bytes.
1868         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1869         original df_ref rather than an extract parameter.
1870         (global_conflicts): Update call accordingly.
1871
1872 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1873
1874         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1875         the overflow check to make it easier to read.
1876         (__fixtfdi): Change the type of the ll member in union
1877         long_double to UDItype_x.
1878
1879 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1880
1881         PR middle-end/34969
1882         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1883         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1884         * tree-inline.c (fold_marked_statements): Call
1885         cgraph_update_edges_for_call_stmt if folding a call statement.
1886         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1887         debug_generic_stmt calls, reset it back afterwards.
1888
1889         PR c/35017
1890         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1891         static decls.
1892         * c-typeck.c (build_external_ref): Don't pedwarn about
1893         static vars in current function's scope.
1894
1895 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1896
1897         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1898
1899 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1900
1901         PR c/35002
1902         * ipa-struct-reorg.c: Fix spelling.
1903         * params.def: Ditto.
1904
1905 2008-01-29  Richard Guenther  <rguenther@suse.de>
1906
1907         PR middle-end/35006
1908         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1909         field.
1910         * tree-inline.c (remap_type): Increment remapping_type_depth
1911         around remapping types.
1912         (copy_body_r): Only add referenced variables if they are referenced
1913         from code, not types.
1914
1915 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1916
1917         PR c++/34055
1918         PR c++/34103
1919         PR c++/34219
1920         PR c++/34606
1921         PR c++/34753
1922         PR c++/34754
1923         PR c++/34755
1924         PR c++/34919
1925         PR c++/34961
1926         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1927         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1928
1929 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1930
1931         PR target/34412
1932         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
1933         pointer for tiny stack.
1934
1935 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1936
1937         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1938
1939 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1940
1941         * config/vx-common.h: Fix typo in comment.
1942
1943 2008-01-28  Ian Lance Taylor  <iant@google.com>
1944
1945         PR c++/34862
1946         PR c++/33407
1947         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1948         coalesce pointers if they have different DECL_NO_TBAA_P values.
1949         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1950         between variables with different DECL_NO_TBAA_P values.
1951
1952 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1953
1954         PR 31535
1955         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1956         are not legitimate small data references on SPE targets.
1957
1958 2008-01-28  David Daney  <ddaney@avtrex.com>
1959
1960         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1961
1962 2008-01-28  David Daney  <ddaney@avtrex.com>
1963
1964         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1965
1966 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1967
1968         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1969         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1970         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1971         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1972         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1973         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1974         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1975         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1976
1977 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1978
1979         * basic-block.h (condjump_equiv_p): Fix comment.
1980
1981 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1982
1983         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1984         print_generic_stmt_indented): Fix comment.
1985
1986 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1987
1988         * configure.ac (__stack_chk_fail): Add detecion for availability
1989         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1990         * configure: Regenerate.
1991
1992 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1993
1994         PR middle-end/34688
1995         * final.c (output_addr_const): Handle TRUNCATE.
1996
1997 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1998
1999         PR target/34711
2000         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2001         (zero_cost, infinite_cost): New constants.
2002         (struct cost_pair): Change type of cost to comp_cost.
2003         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2004         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2005         New functions.
2006         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2007         split_address_cost, ptr_difference_cost, difference_cost,
2008         get_computation_cost_at, get_computation_cost,
2009         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2010         determine_use_iv_cost_condition, determine_use_iv_costs,
2011         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2012         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2013         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2014         Change type of cost to comp_cost.
2015         (determine_iv_cost): Increase cost of non-original ivs, instead
2016         of decreasing the cost of original ones.
2017         (get_address_cost): Indicate the complexity of the addressing mode
2018         in comp_cost.
2019         (try_add_cand_for): Prefer using ivs not specific to some object.
2020         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2021
2022 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2023             Janis Johnson  <janis187@us.ibm.com>
2024
2025         PR target/34814
2026         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2027         (TARGET_INSTANTIATE_DECLS): Likewise.
2028         * target.h (expand_to_rtl_hook): New target hook.
2029         (instantiate_decls): Likewise.
2030         * function.c (instantiate_decl): Make non-static.  Rename to...
2031         (instantiate_decl_rtl): ... this.
2032         (instantiate_expr): Use instantiate_decl_rtl.
2033         (instantiate_decls_1): Likewise.
2034         (instantiate_decls): Likewise.
2035         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2036         * function.h (instantiate_decl_rtl): Add prototype.
2037         * cfgexpand.c (target.h): New include.
2038         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2039         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2040         (TARGET_INSTANTIATE_DECLS): Likewise.
2041         (TARGET_INITIALIZER): New target hooks added.
2042         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2043         New prototype.
2044         * config/rs6000/rs6000.c (tree-flow.h): New include.
2045         (machine_function): Add sdmode_stack_slot field.
2046         (rs6000_alloc_sdmode_stack_slot): New function.
2047         (rs6000_instantiate_decls): Likewise.
2048         (rs6000_secondary_memory_needed_rtx): Likewise.
2049         (rs6000_check_sdmode): Likewise.
2050         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2051         (TARGET_INSTANTIATE_DECLS): Likewise.
2052         (rs6000_hard_regno_mode_ok): Allow SDmode.
2053         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2054         (rs6000_emit_move): Handle SDmode.
2055         (function_arg_advance): Likewise.
2056         (function_arg): Likewise.
2057         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2058         SDmode var args for 32-bit compiles.
2059         (rs6000_secondary_reload_class): Handle SDmode.
2060         (rs6000_output_function_epilogue): Likewise.
2061         (rs6000_function_value): Simplify if statement.
2062         (rs6000_libcall_value): Likewise.
2063         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2064         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2065         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2066         (movsd_hardfloat): New define_insn.
2067         (movsd_softfloat): Likewise.
2068         (movsd_store): Likewise.
2069         (movsd_load): Likewise.
2070         (extendsddd2): Likewise.
2071         (extendsdtd2): Likewise.
2072         (truncddsd2): Likewise.
2073         (movdd_hardfloat64): Fixup comment.
2074         (UNSPEC_MOVSD_LOAD): New constant.
2075         (UNSPEC_MOVSD_STORE): Likewise.
2076
2077 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR c++/34965
2080         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2081         TRUTH_XOR_EXPR.
2082         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2083         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2084         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2085         and TRUTH_XOR_EXPR.
2086
2087 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2088
2089         PR target/34794
2090         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2091         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2092         __LONGDOUBLE128 too.
2093         * config/rs6000/aix61.h: New file.
2094
2095 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2096
2097         PR rtl-optimization/34959
2098         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2099         popcount and parity rtxes the same mode as their operand.
2100         Truncate or extend the result to the return value's mode
2101         if necessary.
2102
2103 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2104
2105         PR target/34981
2106         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2107         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2108         to GOT_VERSION_REGNUM.
2109         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2110         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2111         * config/mips/mips.c (mips_emit_call_insn): New function.
2112         (mips_call_tls_get_addr): Call mips_expand_call directly.
2113         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2114         emit_call_insn.
2115         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2116         (mips_expand_call): Update the call to mips16_build_call_stub
2117         accordingly and a remove redundant condition.  Assert that MIPS16
2118         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2119         the call insn.
2120         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2121         TARGET_USE_GOT.
2122         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2123         (mips_avoid_hazard): Remove hazard_set handling.
2124         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2125         (UNSPEC_RESTORE_GP): ...this.
2126         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2127         (FAKE_CALL_REGNO): Rename to...
2128         (GOT_VERSION_REGNUM): ...this.
2129         (type): Add "ghost" value.  Add an associated insn reservation.
2130         (hazard_set): Remove.
2131         (exception_receiver): Rename to...
2132         (restore_gp): ...this and update the unspec identifier accordingly.
2133         (exception_receiver, nonlocal_got_receiver): New expanders.
2134         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2135         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2136         (set_got_version, update_got_version): New patterns.
2137
2138 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2139
2140         PR target/34970
2141         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2142
2143 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2144
2145         PR other/31955
2146         * doc/install.texi2html: Generate gcc-vers.texi.
2147
2148 2008-01-25  DJ Delorie  <dj@redhat.com>
2149
2150         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2151
2152 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2153
2154         * config/c4x: Remove directory.
2155         * config.gcc (crx-*, mt-*): Mark obsolete.
2156         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2157         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2158         sh-*-rtemscoff*): Remove cases.
2159         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2160         * real.c (encode_c4x_single, decode_c4x_single,
2161         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2162         c4x_extended_format): Remove.
2163         * real.h (c4x_single_format, c4x_extended_format): Remove.
2164         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2165         on C4x.
2166         (Pragmas): Remove comment about c4x pragmas.
2167         * doc/install.texi (c4x): Remove target-specific instructions.
2168         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2169         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2170         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2171         refer to C4x source files as examples.
2172         (C4X_FLOAT_FORMAT): Remove documentation.
2173
2174 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2175
2176         * config/bfin/bfin.c (override_options): Reorder tests so that
2177         flag_pic gets enabled for -msep-data.
2178
2179 2008-01-25  Richard Guenther  <rguenther@suse.de>
2180
2181         PR middle-end/32244
2182         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2183         to its bitfield precision if required.
2184
2185 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2186
2187         PR middle-end/33880
2188         * tree-nested.c (walk_omp_for): New function.
2189         (convert_nonlocal_reference, convert_local_reference): Call
2190         walk_omp_for on OMP_FOR.
2191         (convert_call_expr): Call walk_body on OMP_FOR's
2192         OMP_FOR_PRE_INIT_BODY.
2193
2194 2008-01-25  Richard Guenther  <rguenther@suse.de>
2195
2196         PR tree-optimization/34966
2197         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2198         default defs and PHI_NODEs we have to insert after the
2199         defining statement.
2200
2201 2008-01-24  Nick Clifton  <nickc@redhat.com>
2202
2203         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2204         Provide a default definition.
2205         (LIBGCC2_UNITS_PER_WORD): Likewise.
2206
2207         * config/stormy16/stormy16.c: Include df.h for the prototype
2208         for df_regs_ever_live_p.
2209         (xstormy16_expand_builtin_va_start): Convert the stack offset
2210         into a component_ref and then use POINTER_PLUS_EXPR to add it
2211         to the incoming_virtual_args_rtx.
2212         (xstormy16_gimplify_va_arg_expr): Rename to
2213         xstormy16_gimplify_va_arg_expr.
2214         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2215         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2216         xstormy16_gimplify_va_arg_expr.
2217         Fix up some formatting issues.
2218
2219         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2220         Move to predicates.md.
2221         (xs_hi_general_operand): Likewise.
2222         (xs_hi_nonmemory_operand): Likewise.
2223         * config/stormy16/predicates.md:
2224         (xstormy16_carry_plus_operand): New predicate.
2225         (xs_hi_general_operand): New predicate.
2226         (xs_hi_nonmemory_operand): New predicate.
2227         * config/stormy16/stormy16-protos.h:
2228         (xstormy16_carry_plus_operand): Delete prototype.
2229         (xs_hi_general_operand): Likewise.
2230         (xs_hi_nonmemory_operand): Likewise.
2231
2232         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2233         modifiers as they are no longer needed and they can trigger
2234         reload spill failures.
2235
2236         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2237         with a match_operand in order to help reload.
2238
2239         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2240         constraint with 'e' for the 8th alternative as this version of
2241         the mov.w instruction only accepts the lower 8 registers.
2242
2243 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         PR target/34856
2246         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2247         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2248         vector elements.
2249
2250 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2251
2252         PR middle-end/33333
2253         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2254
2255 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2256
2257         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2258         New functions.
2259         (remove_structure): Update allocations list before removing structure.
2260
2261 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2262
2263         * ipa-struct-reorg.c (is_safe_cond_expr,
2264         create_new_stmts_for_cond_expr): Use integer_zerop function,
2265         that recognize not only zero-pointer, but zero-integer too.
2266
2267 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2268
2269         PR other/22232
2270         * fixproto: Escape "." in sed expression that strips leading "./".
2271
2272 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2273
2274         PR driver/34904
2275         * gcc.c (SWITCH_OK): Removed.
2276         (SWITCH_LIVE): Changed to bit.
2277         (SWITCH_FALSE): Likewise.
2278         (SWITCH_IGNORE): Likewise.
2279         (switchstr): Change live_cond to unsigned int.
2280         (process_command): Replace SWITCH_OK with 0.
2281         (do_self_spec): Likewise.
2282         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2283         (give_switch): Likewise.
2284         (used_arg): Likewise.
2285         (do_spec_1): Set the SWITCH_IGNORE bit.
2286         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2287         bits.  Set the SWITCH_LIVE bit.
2288
2289 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2290
2291         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2292
2293 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2294
2295         PR tree-optimization/34472
2296         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2297         parameter to a "bool *" and set *DATA to false if there is
2298         an unsafe access.  Do not delete the structure here.
2299         (check_cond_exprs): Delete it here instead.
2300         (check_cond_exprs, exclude_cold_structs): Do not increase
2301         I when removing a structure.
2302
2303 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2304
2305         PR target/34856
2306         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2307         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2308
2309 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2310
2311         PR middle-end/34934
2312         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2313         a fixed vector for stack.
2314
2315 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2316
2317         PR c++/25701
2318         * doc/gcc.texi (Software development): Add a direntry for g++.
2319
2320 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2321
2322         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2323         stale and straggling -fforce-addr comments above.
2324
2325         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2326         define.
2327         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2328         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2329
2330 2008-01-23  Michael Matz  <matz@suse.de>
2331
2332         PR debug/34895
2333         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2334         gen_type_die.
2335
2336 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2337
2338         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2339         malloc result type.
2340
2341 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2342
2343         * config/avr/avr.c (avr_current_arch): New variable.
2344         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2345         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2346         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2347         (avr_override_options): Init 'avr_current_arch'.
2348         (base_arch_s): Move from here...
2349         * config/avr/avr.h (base_arch_s): ... here. Add new members
2350         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2351         'mega' to 'have_jmp_call'.
2352         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2353         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2354         macros.
2355         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2356         architectures.
2357         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2358         MULTILIB_MATCHES): (Ditto.).
2359
2360 2008-01-23  Richard Guenther  <rguenther@suse.de>
2361
2362         PR middle-end/31529
2363         * cgraphunit.c (cgraph_reset_node): Always mark the node
2364         not reachable if it is not queued already.
2365
2366 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2367
2368         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2369         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2370         (cputype_selected): New static variable.
2371         (bfin_handle_option): Set it if -mcpu is used.
2372         (override_option): Select default set of workarounds if no cpu type
2373         selected on the command line.
2374         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2375
2376         From  Michael Frysinger  <michael.frysinger@analog.com>
2377         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2378         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2379
2380         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2381         for bf547, bf523, bf524, and bf526.
2382         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2383         bf526.
2384         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2385         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2386         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2387         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2388         * doc/invoke.texi (Blackfin Options): Document that
2389         -mcpu now accept bf547, bf523, bf524, and bf526.
2390
2391 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2392
2393         PR rtl-optimization/34628
2394         * combine.c (try_combine): Stop and undo after the first combination
2395         if an autoincrement side-effect on the first insn has effectively
2396         been lost.
2397
2398 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2399
2400         PR target/34529
2401         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2402         Offset addresses are not valid for Altivec or paired float modes.
2403
2404 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR c++/34607
2407         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2408         if DECL_INITIAL (decl) is error_mark_node.
2409
2410         PR c++/34914
2411         * c-common.c (handle_vector_size_attribute): Only allow
2412         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2413         the same way as pointer, array etc. types.
2414         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2415
2416         PR c++/34917
2417         * tree.c (build_type_attribute_qual_variant): Call
2418         build_qualified_type if attributes are equal, but quals are not.
2419
2420 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2421
2422         PR 32102
2423         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2424         * flags.h (warn_strict_aliasing): Remove.
2425         (warn_strict_overflow): Remove.
2426         * opts.c (warn_strict_aliasing): Remove.
2427         (warn_strict_overflow): Remove.
2428         * c-opts.c (c_common_handle_option): -Wall only sets
2429         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2430         (c_common_post_options): Give default values to -Wstrict-aliasing
2431         and -Wstrict-overflow if they are uninitialized.
2432         * common.opt (Wstrict-aliasing): Specify Var and Init.
2433         (Wstrict-overflow): Likewise.
2434
2435 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2436
2437         PR rtl-optimization/26854
2438         PR rtl-optimization/34400
2439         PR rtl-optimization/34884
2440         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2441         DF_RD->gen.
2442         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2443         (df_rd_bb_info.expanded_lr_out): Deleted
2444         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2445         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2446         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2447         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2448         Removed code to allocate, initialize or free expanded_lr_out.
2449         (df_rd_bb_local_compute_process_def): Restructured to make more
2450         understandable.
2451         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2452         sets if the sets are being trimmed.
2453
2454 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2455
2456         PR bootstrap/32287
2457         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2458         (as_vers): Likewise.
2459         * configure: Regenerated.
2460
2461 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2462
2463         PR middle-end/33092
2464         * tree-pass.h (pass_build_alias): New pass.
2465         * tree-ssa-alias.c (gate_build_alias): New.
2466         (pass_build_alias): New.
2467         * passes.c (init_optimization_passes): Add pass_build_alias after
2468         pass_create_structure_vars.
2469
2470 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2471
2472         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2473         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2474         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2475         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2476         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2477         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2478         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2479         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2480         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2481         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2482         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2483         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2484         * config/s390/s390.md (FP_ALL): New mode iterator.
2485         (_d): New mode attribute.
2486         ("*signbit<mode>2>"): Changed mode of first operand.
2487         ("isinf<mode>2"): Changed mode of first operand.
2488         ("*TDC_insn"): Adaptation for DFP modes.
2489
2490 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2491
2492         * tree.c (check_qualified_type): Improve function description.
2493
2494 2008-01-21  Jason Merrill  <jason@redhat.com>
2495
2496         PR c++/34196
2497         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2498         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2499         if it is set.
2500
2501 2008-01-21  DJ Delorie  <dj@redhat.com>
2502
2503         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2504         return zero.
2505
2506 2008-01-21  Richard Guenther  <rguenther@suse.de>
2507
2508         PR middle-end/34856
2509         * tree-cfg.c (verify_expr): Allow all invariant expressions
2510         instead of just constant class ones as reference argument.
2511         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2512         like any other constant.
2513         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2514
2515 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2516
2517         * regmove.c (fixup_match_1): Update call crossed frequencies.
2518
2519 2008-01-21  Richard Guenther  <rguenther@suse.de>
2520
2521         PR c/34885
2522         * tree-inline.c (setup_one_parameter): Deal with mismatched
2523         types using a VIEW_CONVERT_EXPR.
2524
2525 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2526             Olga Golovanevsky  <olga@il.ibm.com>
2527
2528         PR tree-optimization/34701
2529         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2530         when the structure size is not a power of 2.
2531
2532 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2533
2534         * doc/install.texi: Add doc for --enable-checking=df.
2535
2536 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2537
2538         PR rtl-optimization/34808
2539         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2540
2541 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2542
2543         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2544         input.
2545
2546 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2547
2548         PR rtl-optimization/26854
2549         PR rtl-optimization/34400
2550         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2551         DF_RD->gen.
2552         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2553         (df_rd_bb_info.expanded_lr_out): New.
2554         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2555         * loop_iv.c (iv_analysis_loop_init): Ditto.
2556         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2557         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2558         Added code to allocate, initialize or free expanded_lr_out.
2559         (df_rd_bb_local_compute_process_def): Restructured to make
2560         more understandable.
2561         (df_rd_confluence_n): Add code to do nothing with fake edges and
2562         code to no apply invalidate_by_call sets if the sets are being trimmed.
2563         (df_lr_local_finalize): Renamed to df_lr_finalize.
2564         (df_live_local_finalize): Renamed to df_live_finalize.
2565
2566 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2567
2568         PR target/34831
2569         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2570         deciding whether to use reciprocal instructions.
2571
2572 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2573
2574         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2575         dwarf2out_note_section_used if cold_text_section is NULL.
2576
2577 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2578
2579         PR gcov-profile/34610
2580         * tree-cfg.c (make_edges): Mark both outgoing edges from
2581         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2582         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2583         from OMP_FOR and OMP_CONTINUE outgoing edges.
2584
2585         * tree-profile.c (tree_profiling): Return early if
2586         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2587         at the end.
2588         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2589         from cfun to child_cfun.
2590         * function.h (struct function): Add after_tree_profile bit.
2591
2592 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2593
2594         * config/avr/avr.S (_exit): Disable interrupt.
2595
2596 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2597             Steven Bosscher  <stevenb.gcc@gmail.com>
2598
2599         PR rtl-optimization/26854
2600         PR rtl-optimization/34400
2601         * df-problems.c (df_live_scratch): New scratch bitmap.
2602         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2603         (df_live_reset): Clear the proper bitmaps.
2604         (df_live_bb_local_compute): Only process the artificial defs once
2605         since the order is not important.
2606         (df_live_init): Init the df_live sets only with the variables
2607         found live by df_lr.
2608         (df_live_transfer_function): Use the df_lr sets to prune the
2609         df_live sets as they are being computed.
2610         (df_live_free): Free df_live_scratch.
2611
2612 2008-01-18  Ian Lance Taylor  <iant@google.com>
2613
2614         * common.opt: Add fmerge-debug-strings.
2615         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2616         flag_merge_debug_strings rather than flag_merge_constants.
2617         * doc/invoke.texi (Option Summary): Mention
2618         -fmerge-debug-strings.
2619         (Debugging Options): Document -fmerge-debug-strings.
2620
2621 2008-01-18  Ian Lance Taylor  <iant@google.com>
2622
2623         PR c++/33407
2624         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2625         (struct tree_function_decl): Add new field operator_new_flag.
2626         * tree-inline.c (expand_call_inline): When inlining a call to
2627         operator new, force the return value to go into a variable, and
2628         set DECL_NO_TBAA_P on that variable.
2629         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2630
2631 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2632
2633         PR debug/34484
2634         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2635         DWARF2_DEBUGGING_INFO.
2636         (dwarf2out_note_section_used): Ditto.  Add prototype.
2637         (have_multiple_function_sections, text_section_used,
2638         cold_text_section_used, *cold_text_sections): Move declarations
2639         before their uses.
2640
2641 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2642
2643         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2644         field and add signal_ra.
2645         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2646         assignments to frame state pc.  Move end of stack check after
2647         MD_FALLBACK_FRAME_STATE_FOR.
2648         (uw_update_context_1): Use frame state signal_regs if set, instead
2649         of checking signal_frame flag.
2650         (uw_update_context): Use frame state signal_ra if set.
2651         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2652         * config/xtensa/linux-unwind.h: New file.
2653
2654 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2655
2656         * modulo-sched.c (get_sched_window): Fix comment typo.
2657
2658 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2659
2660         PR tree-optimization/34648
2661         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2662
2663 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2664
2665         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2666         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2667
2668 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2669
2670         PR rtl-optimization/34400
2671         * df-core.c (df_worklist_dataflow_overeager,
2672         df_worklist_dataflow_doublequeue): New functions.
2673         (df_worklist_dataflow): Two different worklist solvers.
2674         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2675         New param.
2676
2677 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         PR testsuite/34821
2680         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2681         and ftree-parallelize-loops.
2682
2683 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2684
2685         PR rtl-optimization/34826
2686         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2687
2688 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2689
2690         * global.c (find_reg): Mark the eh regs as used if necessary.
2691         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2692         * ra.h (struct allocno): no_eh_reg field added.  Changed
2693         no_stack_reg type to bitfield.
2694
2695 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2696
2697         * tree.c (substitute_in_expr): Add missing 'break'.
2698
2699 2008-01-17  Richard Guenther  <rguenther@suse.de>
2700
2701         PR tree-optimization/34825
2702         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2703         x / x as division to handle.
2704
2705 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2706
2707         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2708         "-pthread" is specified.
2709         * pa-hpux11.h (LIB_SPEC): Likewise.
2710
2711 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2712             Peter Bergner  <bergner@vnet.ibm.com>
2713
2714         PR rtl-optimization/33796
2715         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2716
2717 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2718
2719         PR libgfortran/34699
2720         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2721         static links.
2722         * pa-hpux10.h (LINK_SPEC): Likewise.
2723         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2724
2725 2008-01-16  Richard Guenther  <rguenther@suse.de>
2726
2727         PR middle-end/32628
2728         * fold-const.c (fold_convert_const_int_from_int): Do not
2729         set overflow if that occured only because of a sign extension
2730         change when converting from/to a sizetype with the same
2731         precision and signedness.
2732
2733 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         PR debug/34249
2736         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2737         location address to the correct place.  Update copyright year.
2738
2739 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2742         no dependences in the dependence_relations vector.
2743
2744 2008-01-16  Jan Hubicka  <jh@suse.cz>
2745
2746         PR rtl-optimization/31396
2747         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2748         * cfg.c (dump_reg_info): Print it.
2749         * regs.h (struct reg_info_t): add freq_calls_crossed.
2750         (REG_FREQ_CALLS_CROSSED): New macro.
2751         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2752         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2753         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2754         regmove_optimize): Update call crossed frequencies.
2755         * local-alloc.c (struct qty): Add freq_calls_crossed.
2756         (alloc_qty): Copute freq_calls_crossed.
2757         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2758         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2759         * ra.h (struct allocno): Add freq_calls_crossed.
2760
2761 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2764         libgomp when compiling with ftree-parallelize-loops.
2765         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2766
2767 2008-01-16  Richard Guenther  <rguenther@suse.de>
2768
2769         PR tree-optimization/34769
2770         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2771         * tree.c (int_cst_value): Instead make this function more
2772         permissive in what it accepts as valid input.  Document this
2773         function always sign-extends the value.
2774
2775 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2776             Richard Guenther  <rguenther@suse.de>
2777
2778         PR c/34668
2779         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2780         (gimple_fold_indirect_ref_rhs): ... this.
2781         (gimple_fold_indirect_ref): New function with foldings
2782         that preserve lvalueness.
2783         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2784         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2785         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2786         to fold an INDIRECT_REF, fall back to the old use of
2787         fold_indirect_ref_1.
2788
2789 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * tree-data-ref.c (subscript_dependence_tester_1): Call
2792         free_conflict_function.
2793         (compute_self_dependence): Same.
2794
2795 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2796
2797         PR debug/34249
2798         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2799         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2800         function global.
2801         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2802         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2803         for DWARF2_UNWIND_INFO targets.
2804
2805 2008-01-16  Richard Guenther  <rguenther@suse.de>
2806
2807         PR c/34768
2808         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2809         type qualifiers for function types.
2810
2811 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2812
2813         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2814         loop_iterator li from previous commit.
2815
2816 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2819
2820 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2823         (parallelize_loops): Don't parallelize irreducible components.
2824
2825 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2826
2827         PR c++/24924
2828         * c-opts (c_common_post_options): Do not enable CPP
2829         flag_pedantic_errors by default.
2830
2831 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2832
2833         PR rtl-optimization/31944
2834         * cse.c (remove_pseudo_from_table): New function.
2835         (merge_equiv_classes): Use above function to remove pseudo-registers.
2836         (invalidate): Likewise.
2837
2838 2008-01-13  Richard Guenther  <rguenther@suse.de>
2839
2840         PR middle-end/34601
2841         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2842         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2843
2844 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2847         validate_change to unshare the source of the PC set.
2848
2849 2008-01-12  Jan Hubicka  <jh@suse.cz>
2850
2851         PR middle-end/32135
2852         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2853         references above array bounds.  This might trigger bounds checks for
2854         pointers to arrays.
2855
2856 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2859         new_replaceable_dependencies.
2860
2861 2008-01-12  Doug Kwan  <dougkwan@google.com>
2862
2863         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2864         instead of OPT_Wreturn_type in warning due to ignored return type
2865         qualifiers.
2866         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2867         options included in -Wextra.
2868         * c.opt: New option -Wignored_qualifiers.
2869         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2870         -Wignore_qualifiers.
2871         (-Wignored-qualifiers): Document.
2872         (-Wreturn-type): Remove description of functionality now handled
2873         by -Wignored-qualifiers.
2874
2875 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         PR ada/33788
2878         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2879         NOP_EXPR if it is between integral types with the same precision.
2880
2881 2008-01-12  Jan Hubicka  <jh@suse.cz>
2882
2883         PR other/28023
2884         * invoke.texi (max-inline-recursive-depth): Fix default value.
2885
2886 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2887
2888         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2889         correct type.
2890
2891 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2892
2893         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2894
2895 2008-01-11  James E. Wilson  <wilson@specifix.com>
2896
2897         PR target/26015
2898         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2899
2900 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2901
2902         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
2903         save/restore frame pointer register and don't use 'call-prologues'
2904         optimization in function with "OS_task" attribute.
2905
2906 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2907
2908         PR middle-end/31309
2909         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2910         when copying to memory.
2911
2912 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2913
2914         PR rtl-optimization/30905
2915         * cfgcleanup.c: Include dce.h
2916         (crossjumps_occured): New global variable.
2917         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2918         If something changed, set crossjumps_occured to true.
2919         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2920         Don't add/remove fake edges to exit here...
2921         (cleanup_cfg): ...but do it here, when crossjumping.
2922         Run a fast DCE when successful crossjumps occured in the latest
2923         iteration of try_optimize_cfg.
2924
2925 2008-01-11  Richard Guenther  <rguenther@suse.de>
2926
2927         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2928         (struct vn_unary_op_s): Likewise.
2929         (vn_reference_insert): Free old reference on hash collision.
2930
2931 2008-01-10  Raksit Ashok  <raksit@google.com>
2932
2933         PR rtl-optimization/27971
2934         * combine.c (find_split_point): Split PLUS expressions which are
2935         inside a MEM rtx, and whose first operand is complex.
2936
2937 2008-01-10  DJ Delorie  <dj@redhat.com>
2938
2939         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2940         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2941         (m32c_hard_regno_ok): Call the underlying function.
2942
2943 2008-01-10  Richard Guenther  <rguenther@suse.de>
2944
2945         PR middle-end/34683
2946         * tree-cfg.c (tree_merge_blocks): Do not go through the
2947         full-blown folding and stmt updating path if we just deal
2948         with virtual operands.
2949         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2950         test for abnormal SSA_NAMEs.
2951
2952 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2953
2954         PR middle-end/34641
2955         * reload.c (push_reload): Add assertions.  All constants from
2956         reg_equiv_constant should have been used for replacing the respective
2957         pseudo earlier.
2958         (find_reloads_address): Invoke find_reloads_address_part for
2959         constant taken from the reg_equiv_constant array.
2960
2961 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2962
2963         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2964         field (valnum) the first in the struct.  Replace bools with
2965         unit bit fields.
2966
2967 2008-01-10  Richard Guenther  <rguenther@suse.de>
2968
2969         PR tree-optimization/34651
2970         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2971         types and ordering for masking and converting.
2972
2973 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         PR tree-optimization/34017
2976         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2977         also for PHI_NODE expressions.
2978
2979 2008-01-09  Jan Hubicka  <jh@suse.cz>
2980
2981         PR tree-optimization/34708
2982         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2983         based on number of case labels.
2984         (init_inline_once): Remove switch_cost.
2985         * tree-inline.h (eni_weights_d): Remove switch_cost.
2986
2987 2008-01-09  Richard Guenther  <rguenther@suse.de>
2988         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2989
2990         PR middle-end/30132
2991         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2992         temporary if an rvalue is ok or an lvalue is not required.
2993
2994 2008-01-09  Richard Guenther  <rguenther@suse.de>
2995
2996         PR middle-end/34458
2997         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2998         adjust return type.
2999
3000 2008-01-09  Richard Guenther  <rguenther@suse.de>
3001
3002         PR middle-end/34679
3003         * tree.c (host_integerp): Check for sizetype only if the
3004         type is an integer type.
3005
3006 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3007
3008         PR debug/26364
3009         * opts.c (decode_options): Disable inlining of functions called
3010         once if not in unit-at-a-time mode.
3011
3012 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3013
3014         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3015
3016 2008-01-08  Richard Guenther  <rguenther@suse.de>
3017
3018         PR middle-end/31863
3019         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3020         out early if the result will be unused.
3021
3022 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3023
3024         PR target/34709
3025         Revert:
3026
3027         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3028         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3029         for TARGET_RECIP.
3030
3031 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3032
3033         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3034         for vectorization tuned.
3035
3036 2008-01-08  Richard Guenther  <rguenther@suse.de>
3037
3038         PR tree-optimization/34683
3039         * tree-ssa-operands.c (operand_build_cmp): Export.
3040         * tree-ssa-operands.h (operand_build_cmp): Declare.
3041         * tree-vn.c (vuses_compare): Remove.
3042         (sort_vuses): Use operand_build_cmp.
3043         (sort_vuses_heap): Likewise.
3044         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3045         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3046         (vdefs_to_vec): Do not sort already sorted VDEFs.
3047
3048 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3049
3050         PR middle-end/34694
3051         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3052
3053 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3054
3055         PR target/34702
3056         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3057         limitations of reciprocal sequences on x86 targets.
3058
3059 2008-01-08  Richard Guenther  <rguenther@suse.de>
3060
3061         PR tree-optimization/34683
3062         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3063
3064 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3065
3066         PR target/34622
3067         * config/darwin.c (darwin_mergeable_string_section): Don't use
3068         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3069
3070 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3071
3072         PR target/34682
3073         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3074         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3075         predicates of op0 and op1 to register_operand.
3076         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3077         expander using X87MODEF mode iterator.  Change predicates of
3078         op0 and op1 to register_operand.
3079         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3080         corresponding patterns and macroize using MODEF macro.  Change
3081         predicates of op0 and op1 to register_operand and remove
3082         "m" constraint. Disparage "r" alternative with "!".
3083         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3084         macroize using X87MODEF macro.  Change predicates of op0 and op1
3085         to register_operand and remove "m" constraint.  Disparage "r"
3086         alternative with "!".
3087         (absneg splitter with memory operands): Remove.
3088         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3089         patterns and macroize using X87MODEF mode iterator.
3090         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3091         Change predicate of op1 to register_operand.
3092         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3093         for memory operands.
3094
3095 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3096
3097         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3098
3099 2008-01-07  Richard Guenther  <rguenther@suse.de>
3100
3101         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3102         fields.
3103
3104 2008-01-07  Richard Guenther  <rguenther@suse.de>
3105
3106         PR tree-optimization/34683
3107         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3108         VOPs of the needed size to save memory.  Use VEC_quick_push
3109         to save compile-time.
3110         (vdefs_to_vec): Likewise.
3111
3112 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3113
3114         * config/spu/spu.md (divdf3): Genetate inline code for double
3115         division.  The implementation doesn't handle INF or NAN, therefore it
3116         only applies when -ffinite-math-only is given.
3117
3118 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3119
3120         PR libstdc++/34680
3121         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3122         * doc/cpp.texi ([Common Predefined Macros]): Document.
3123
3124 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3125
3126         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3127         order to use commutative addition instead of subtraction.
3128
3129 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3130             Mircea Namolaru  <namolaru@il.ibm.com>
3131             Vladimir Yanovsky  <yanov@il.ibm.com>
3132             Revital Eres  <eres@il.ibm.com>
3133
3134         PR tree-optimization/34263
3135         * tree-outof-ssa.c (process_single_block_loop_latch,
3136         contains_tree_r): New functions.
3137         (analyze_edges_for_bb): Call process_single_block_loop_latch
3138         function to empty single-basic-block latch block if possible.
3139
3140 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3141
3142         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3143         for TARGET_RECIP.
3144         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3145
3146 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3147
3148         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3149
3150 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3151
3152         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3153
3154 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3155
3156         PR tree-optimization/34618
3157         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3158         flag from T.
3159
3160 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3161
3162         PR target/34673
3163         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3164         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3165         Update copyright year.
3166
3167         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3168         Update copyright year.
3169         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3170         using NR fixup.
3171
3172 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3173
3174         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3175         edge does not point to current bb before changing need_assert.
3176
3177 2008-01-04  Richard Guenther  <rguenther@suse.de>
3178
3179         PR middle-end/34029
3180         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3181         for verifying purposes if they are is_gimple_min_invariant.
3182
3183 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3184
3185         PR tree-optimization/34448
3186         PR tree-optimization/34465
3187         * gimplify.c (gimplify_init_constructor): Add new parameter
3188         notify_temp_creation.  Use it.
3189         (gimplify_modify_expr_rhs): Take volatiles into account when
3190         optimizing constructors.
3191         Do not optimize constructors if gimplify_init_constructor will dump to
3192         memory.
3193         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3194         * gcc.c-torture/compile/pr34448.c: New.
3195
3196 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3197
3198         PR gcov-profile/34609
3199         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3200         return_slot if result is TREE_ADDRESSABLE.
3201
3202 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3203
3204         * config/mips/mips.md (sqrt_condition): Tweak comment.
3205         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3206
3207 2008-01-03  Tom Tromey  <tromey@redhat.com>
3208
3209         PR c/34457
3210         * c-common.c (c_type_hash): Handle VLAs.
3211
3212 2008-01-03  Jan Hubicka  <jh@suse.cz>
3213
3214         PR tree-optimization/31081
3215         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3216         0 when inlining and not inlining to first basic block.
3217         (remap_decl): When var is initialized to 0, don't set default_def.
3218         (expand_call_inline): Set entry_bb.
3219         * tree-inline.h (copy_body_data): Add entry_bb.
3220
3221 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR c++/34619
3224         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3225         before returning.
3226
3227         PR tree-optimization/29484
3228         * tree-inline.c (inline_forbidden_p_2): New function.
3229         (inline_forbidden_p): Disallow inlining if some static var
3230         has an address of a local LABEL_DECL in its initializer.
3231         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3232         vs. inlining.
3233
3234 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         PR tree-optimization/34635
3237         * tree-data-ref.c (add_other_self_distances): Make sure that the
3238         evolution step is constant.
3239
3240 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3241
3242         PR middle-end/34608
3243         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3244
3245 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3246
3247         * tree-sra.c (scalarize_init): Insert the generate_element_init
3248         statements after the generate_element_zero statements.
3249
3250 2008-01-02  Richard Guenther  <rguenther@suse.de>
3251
3252         PR middle-end/34093
3253         PR middle-end/31976
3254         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3255         for very large number of operands instead of ICEing.
3256
3257 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3258
3259         PR target/34013
3260         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3261         while stack probing.
3262
3263 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3264
3265         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3266         in C++0x mode.
3267
3268 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3269
3270         PR libmudflap/26442
3271         * tree-mudflap.c (mx_register_decls): Guard warning by
3272         !DECL_ARTIFICIAL check.
3273
3274 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3275
3276         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3277         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3278         sse5_perm<mode>): Fix constraints.