gcc/ChangeLog

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