gcc/ChangeLog

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