gcc/ChangeLog

   1 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
   2
   3         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
   4
   5 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
   6
   7         PR target/35373
   8         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
   9         reg+const addressing for Altivec modes.  Don't generate reg+reg
  10         addressing for TFmode or TDmode quantities.
  11
  12 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
  13
  14         * c-common.c (vector_types_convertible_p): Call langhook
  15         instead of comptypes.
  16
  17 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  18
  19         PR tree-opt/35402
  20         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
  21         integral and scalar float variables which have a
  22         NULL DECL_INITIAL.
  23
  24 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
  25
  26         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
  27         dwarf_register_span hook when emitting unwind information for
  28         register-to-memory saves.
  29         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
  30         (rs6000_frame_related): Remove call to spe_synthesize_frame.
  31
  32 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
  33
  34         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
  35         for the same VAR_DECL.
  36
  37 2008-03-06  Tom Tromey  <tromey@redhat.com>
  38
  39         * treelang: Delete.
  40         * doc/standards.texi (Standards): Don't mention treelang.
  41         * doc/invoke.texi (Overall Options): Don't mention treelang.
  42         * doc/install.texi (Prerequisites): Don't mention bison or
  43         treelang.
  44         (Configuration): Don't mention treelang.
  45         (Building): Likewise.
  46         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
  47
  48 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
  49
  50         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
  51         word-extractions out of a multi-word object.
  52
  53 2008-03-06  Richard Guenther  <rguenther@suse.de>
  54
  55         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
  56         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
  57         result type and precision.
  58         * expr.c (get_inner_reference): Set unsignedp based on the result
  59         type of BIT_FIELD_REF.
  60         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
  61         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
  62         (try_instantiate_multiple_fields): Likewise.  Use the correct type
  63         for BIT_FIELD_REF.
  64         (sra_build_assignment): Likewise.
  65         (sra_build_elt_assignment): Likewise.
  66         (sra_explode_bitfield_assignment): Likewise.
  67         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
  68         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
  69         set BIT_FIELD_REF_UNSIGNED.
  70         (vectorizable_load): Likewise.
  71
  72 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
  73
  74         * cse.c (cse_extended_basic_block): Invalidate artificial defs
  75         at bb start.
  76
  77 2008-03-06  Richard Guenther  <rguenther@suse.de>
  78
  79         * alias.c (struct alias_set_entry): Move has_zero_child field
  80         to pack with alias_set.
  81
  82 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
  83
  84         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
  85         32bit host.
  86
  87 2008-03-05  Ian Lance Taylor  <iant@google.com>
  88
  89         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
  90
  91 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
  92
  93         * fwprop.c (update_df): Support width and offset parameters of
  94         df_ref_create.
  95         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
  96         global_conflicts): Change DF_REF_EXTRACT to either
  97         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
  98         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
  99         * df-scan.c (df_ref_record, df_defs_record,
 100         df_ref_create_structure, df_def_record_1, df_uses_record,
 101         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 102         df_bb_refs_collect, df_entry_block_defs_collect,
 103         df_exit_block_uses_collect): Support new width and offset fields.
 104         (ref_extract_pool): New storage pool.
 105         (df_free_ref): New function.
 106         (df_reg_chain_unlink, df_free_collection_rec,
 107         df_sort_and_compress_refs): Call df_free_ref.
 108         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 109         of df_ref_extract.
 110         (df_ref_create_structure): Allocate df_ref_extract if offset and
 111         width fields are used.
 112         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 113         (df_uses_record): Get offset and width from ZERO_EXTRACT
 114         and SIGN_EXTRACT.
 115         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 116         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 117         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 118         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 119         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 120         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 121         (df_ref_extract): New structure.
 122         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 123         (df_ref_create): Add width and offset parameters.
 124
 125 2008-03-05  Richard Guenther  <rguenther@suse.de>
 126
 127         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 128         Use ranges_overlap_p.
 129         (offset_overlaps_with_access): Rename
 130         to ranges_overlap_p and move ...
 131         * tree-flow-inline.h (ranges_overlap_p): ... here.
 132
 133         * tree.h (get_inner_reference, handled_component_p): Update
 134         comments.
 135
 136         * tree.h (record_component_aliases, get_alias_set,
 137         alias_sets_conflict_p, alias_sets_must_conflict_p,
 138         objects_must_conflict_p): Move declarations ...
 139         * alias.h (record_component_aliases, get_alias_set,
 140         alias_sets_conflict_p, alias_sets_must_conflict_p,
 141         objects_must_conflict_p): ... here.
 142         Include coretypes.h.
 143         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 144
 145 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 146
 147         * cfg.c: Include tree-flow.h.
 148         (remove_edge_raw): Call redirect_edge_var_map_clear.
 149         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 150         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 151         (redirect_edge_var_map_result): New.
 152         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 153         PENDING_STMT use with redirect_edge_var_map_*.
 154         * tree-ssa.c (edge_var_maps): New definition.
 155         (redirect_edge_var_map_add): New.
 156         (redirect_edge_var_map_clear): New.
 157         (redirect_edge_var_map_dup): New.
 158         (redirect_edge_var_map_vector): New.
 159         (redirect_edge_var_map_destroy): New.
 160         (ssa_redirect_edge): Replace PENDING_STMT use with
 161         redirect_edge_var_map_*.
 162         (flush_pending_stmts): Same.
 163         (delete_tree_ssa): Destroy edge var map.
 164         * tree-flow.h (struct _edge_var_map): New.
 165         Define edge_var_map vector type.
 166         Declare redirect_edge_var_map_* prototypes.
 167         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 168         * tree-cfg.c (reinstall_phi_args): Replace
 169         PENDING_STMT use with redirect_edge_var_map_*.
 170
 171 2008-03-05  Richard Guenther  <rguenther@suse.de>
 172
 173         PR tree-optimization/35472
 174         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 175         whose single use_stmt has a overlapping set of loaded and
 176         stored symbols as that use_stmt might be a noop assignment then.
 177
 178 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 179
 180         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 181
 182 2008-03-05  Richard Guenther  <rguenther@suse.de>
 183
 184         PR c++/35336
 185         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 186         should be constants.
 187         * tree-cfg.c (verify_expr): Verify it.
 188         * fold-const.c (fold_truthop): Remove code generating
 189         BIT_FIELD_REFs of structure bases.
 190         (fold_binary): Likewise.
 191         (fold_ternary): Position and size of BIT_FIELD_REFs are
 192         always host integers.
 193         (make_bit_field_ref): Remove.
 194         (optimize_bit_field_compare): Remove.
 195         (all_ones_mask_p): Remove.
 196
 197 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 198
 199         PR gcc/33009
 200         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 201         (split_block_and_df_analyze): New. Split basic block and rebuild
 202         dataflow.
 203         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 204         SPLIT_BLOCK.
 205         (split_pattern_seq): Likewise.
 206         (erase_matching_seqs): Likewise.
 207         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 208
 209 2008-03-04  Geoff Keating  <geoffk@apple.com>
 210
 211         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 212         declaration and code.
 213         (tree_invalid_nonnegative_warnv_p): Likewise.
 214
 215 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 216
 217         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 218         examples.  Truncate option-names then causing overfull hbox.
 219
 220 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 221
 222         PR target/35222
 223         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 224         on hpux10.
 225         * configure: Rebuilt.
 226
 227 2008-03-04  Rafael Espindola  <espindola@google.com>
 228
 229         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 230         (tree_unary_nonnegative_warnv_p): New.
 231         (tree_binary_nonnegative_warnv_p): New.
 232         (tree_single_nonnegative_warnv_p): New.
 233         (tree_invalid_nonnegative_warnv_p): New.
 234         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 235
 236 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 237
 238         PR 28322
 239         * opts.c (handle_option): Postpone 'unknown option' errors only for
 240         warning options.
 241
 242 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 243
 244         PR target/35453
 245         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 246         (_SIDD_XXX): This.
 247
 248 2008-03-04  Rafael Espindola  <espindola@google.com>
 249
 250         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 251         (tree_binary_nonzero_warnv_p): New.
 252         (tree_single_nonzero_warnv_p): New.
 253         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 254
 255 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 256
 257         PR middle-end/35456
 258         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 259         transformations for modes that have signed zeros.
 260         * ifcvt.c (noce_try_abs): Ditto.
 261
 262 >>>>>>> .r132956
 263 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 264
 265         * config/i386/i386.c (override_options): Force
 266         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 267
 268 2008-03-04  Jan Hubicka  <jh@suse.cz>
 269
 270         PR c++/35262
 271         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 272         in last commit.
 273
 274 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 275
 276         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 277         label to probe the stack.
 278
 279 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 280
 281         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 282         (__gthr_win32_mutex_destroy): Declare.
 283         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 284         __gthr_win32_mutex_destroy.
 285         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 286
 287 2008-03-03  Jan Hubicka  <jh@suse.cz>
 288
 289         PR c++/35262
 290         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 291         aggressive on inlining cold calls.
 292
 293 2008-03-03  Richard Guenther  <rguenther@suse.de>
 294
 295         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 296         struct copies into the expression table.
 297         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 298         (try_to_simplify): Likewise.
 299         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 300         integral and pointer arguments which do not change the
 301         precision to NOP_EXPRs.
 302         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 303         VIEW_CONVERT_EXPR case.
 304
 305 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 308         defined in a loop at depth 0 is invariant.
 309         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 310         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 311         be called at loop depth 0.
 312
 313 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 314
 315         PR driver/35420
 316         * gcc.c (process_command): Update copyright notice dates.
 317         * gcov.c (print_version): Likewise.
 318         * gcov-dump.c (print_version): Likewise.
 319         * mips-tfile.c (main): Likewise.
 320         * mips-tdump.c (main): Likewise.
 321
 322 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 323
 324         PR 24924
 325         * c-common.c (flag_permissive): Delete.
 326         (constant_expression_warnings): Check flags first.
 327         (constant_expression_error): New.
 328         * c-common.h (flag_permissive): Delete.
 329         (constant_expression_error): Declare.
 330         * flags.h (flag_permissive): Declare. Update description.
 331         * diagnostic.c (pedwarn): Update.
 332         (permerror): New.
 333         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 334         (permissive_error_kind): New.
 335         * toplev.c (flag_permissive): Define. Update description.
 336         * toplev.h (permissive_error_kind): Declare.
 337         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 338         (pedwarn_c90): Use pedantic_warning_kind.
 339         * c-opts.c (c_common_post_options): flag_permissive does not affect
 340         flag_pedantic_errors.
 341
 342 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 343
 344         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 345         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 346         __absvsi2, __absvDI2): Use unsigned arithmetic.
 347
 348 2008-03-02  Andi Kleen  <ak@suse.de>
 349         Richard Guenther  <rguenther@suse.de>
 350
 351         * struct-equiv.c: Remove file.
 352         * cfg_cleanup.c (condjump_equiv_p): Remove.
 353         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 354         (struct-equiv.o): Remove rule.
 355         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 356         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 357         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 358
 359 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 360
 361         * ifcvt.c (noce_process_if_block): Try to handle only the then
 362         block if the else block exists but isn't suitable.
 363
 364 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 365
 366         PR gcc/35063
 367         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 368         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 369         regression from previous patch.
 370
 371 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 372
 373         PR gcc/35063
 374         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 375         implemented.
 376         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 377         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 378         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 379         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 380         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 381         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
 382         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
 383         (__gthread_mutex_destroy_function): Rename to
 384         __gthread_mutex_destroy.
 385         * gthr-dce.h (__gthread_mutex_destroy): Call
 386         pthread_mutex_destroy.
 387         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
 388         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
 389         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
 390
 391 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 392
 393         * df-scan.c (df_ref_chain_change_bb): Simplify.
 394         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
 395         set_block_for_insn if there's any change.
 396         * df.h ((df_insn_change_bb): Fix prototype.
 397         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
 398         df_insn_change_bb, don't call set_block_for_insn.
 399         * emit-rtl.c (reorder_insns): Likewise.
 400         * haifa-sched.c (move_insn): Likewise.
 401
 402 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 403
 404         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
 405
 406 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 407
 408         * tree-flow-inline.h (next_readonly_imm_use): Return
 409         NULL_USE_OPERAND_P after the end.
 410
 411 2008-03-01  Richard Guenther  <rguenther@suse.de>
 412
 413         PR tree-optimization/35411
 414         * tree-sra.c (sra_build_assignment): Split conversion to
 415         final type to a separate statement if we are not assigning
 416         to a register.
 417
 418 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 419
 420         * fold-const.c (fold_convertible_p): Correct the logic to follow
 421         that in fold_convert().
 422
 423 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 424
 425         PR c++/35315
 426         * tree-inline.c (build_duplicate_type): When we make a
 427         duplicate type, make it unique in the canonical types system.
 428
 429 2008-02-29  Tom Tromey  <tromey@redhat.com>
 430
 431         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 432         input_file_stack_history, input_file_stack_restored): Remove.
 433         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 434         * input.h (struct file_stack): Remove.
 435         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 436         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 437         Likewise.
 438         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 439         type.
 440         (diagnostic_last_module_changed): Add 'map' argument.
 441         (diagnostic_set_last_function): Likewise.
 442         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 443         line map, not input_file_stack.
 444         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 445
 446 2008-02-29  Paul Brook  <paul@codesourcery.com>
 447
 448         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 449
 450 2008-02-29  Paul Brook  <paul@codesourcery.com>
 451
 452         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 453
 454 2008-02-29  Richard Guenther  <rguenther@suse.de>
 455
 456         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 457         vn_lookup_or_add.
 458         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 459         value for comparing for a store match.
 460         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 461         (try_to_simplify): Do not do a full-blown reference lookup.
 462
 463 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 464
 465         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 466         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 467
 468         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 469
 470 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 471
 472         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 473         strides against cache sizes.
 474
 475 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 476
 477         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 478         constant to fpul.
 479
 480 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 481
 482         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 483         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 484         is smaller than the original promoted value.
 485         (simplify_subreg): If OP is a SUBREG, try to preserve its
 486         SUBREG_PROMOTED_VAR_P information.
 487
 488 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 489
 490         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 491         (VN_INFO_GET): Allocate new objects on the obstack.
 492         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 493         for rpo_numbers_temp, for consistency.
 494         (free_scc_vn): Free the obstack.
 495
 496 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * doc/invoke.texi: Document -ftree-loop-distribution.
 499         * tree-loop-distribution.c: New.
 500         * tree-pass.h (pass_loop_distribution): New.
 501         * graphds.h (struct graph): Add htab_t indices.
 502         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 503         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 504         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 505         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 506         * tree-data-ref.c (debug_data_dependence_relations): New.
 507         (dump_data_dependence_relation): Also print data references.
 508         (free_data_ref): Extern.
 509         (same_access_functions): Moved...
 510         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 511         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 512         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 513         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 514         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 515         (stmts_from_loop): Skip LABEL_EXPR.
 516         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
 517         New.
 518         (build_rdg): Initialize rdg->indices htab.
 519         (free_rdg, stores_from_loop, ref_base_address,
 520         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 521         have_similar_memory_accesses_1, ref_base_address_1,
 522         remove_similar_memory_refs): New.
 523         * tree-data-ref.h: Depend on tree-chrec.h.
 524         (debug_data_dependence_relations, free_data_ref): Declared.
 525         (same_access_functions): ... here.
 526         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
 527         New.
 528         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 529         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 530         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 531         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 532         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 533         rdg_vertex_for_stmt): Declared.
 534         (struct rdg_edge): Add level.
 535         (RDGE_LEVEL): New.
 536         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 537         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
 538         Declared.
 539         (rdg_has_similar_memory_accesses): New.
 540         * tree-vect-analyze.c: Remove unused static decls.
 541         * lambda.h (dependence_level): New.
 542         * common.opt (ftree-loop-distribution): New.
 543         * tree-flow.h (mark_virtual_ops_in_bb,
 544         slpeel_tree_duplicate_loop_to_edge_cfg,
 545         rename_variables_in_loop): Declared.
 546         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 547         (OBJS-common): Add tree-loop-distribution.o.
 548         (tree-loop-distribution.o): New rule.
 549         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 550         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 551         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 552
 553 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 554
 555         PR target/33963
 556         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 557         other than structures and unions.
 558
 559 2008-02-28  Richard Guenther  <rguenther@suse.de>
 560
 561         Revert:
 562         2008-02-26  Richard Guenther  <rguenther@suse.de>
 563
 564         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 565         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 566         (lookup_decl_from_uid): Declare.
 567         (remove_decl_from_map): Likewise.
 568         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 569         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 570         (decl_for_uid_map): New global hashtable mapping DECL_UID
 571         to the decl tree.
 572         (init_ttree): Allocate it.
 573         (insert_decl_to_uid_decl_map): New helper function.
 574         (make_node_stat): Insert new decls into the map.
 575         (copy_node_stat): Likewise.
 576         (lookup_decl_from_uid): New function.
 577         (remove_decl_from_map): Likewise.
 578         (print_decl_for_uid_map_statistics): New helper.
 579         (dump_tree_statistics): Call it.
 580
 581         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 582         (referenced_var_iterator): Adjust.
 583         (FOR_EACH_REFERENCED_VAR): Adjust.
 584         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 585         (num_referenced_vars): Adjust.
 586         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 587         (first_referenced_var): Remove.
 588         (end_referenced_vars_p): Likewise.
 589         (next_referenced_var): Likewise.
 590         (referenced_var_iterator_set): New helper function.
 591         * tree-dfa.c (referenced_var_lookup): Adjust.
 592         (referenced_var_check_and_insert): Likewise.
 593         (remove_referenced_var): Likewise.
 594         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 595         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 596         (verify_call_clobbering): Likewise.
 597         (verify_memory_partitions): Likewise.
 598         (init_tree_ssa): Allocate bitmap instead of hashtable for
 599         referenced_vars.
 600         (delete_tree_ssa): Adjust.
 601         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 602         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 603         (compute_tag_properties): Likewise.
 604         (set_initial_properties): Likewise.
 605         (find_partition_for): Likewise.
 606         (update_reference_counts): Likewise.
 607         (dump_may_aliases_for): Likewise.
 608         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 609         (add_call_clobber_ops): Likewise.
 610         (add_call_read_ops): Likewise.
 611         (get_asm_expr_operands): Likewise.
 612         * tree-into-ssa.c (dump_decl_set): Likewise.
 613         (update_ssa): Likewise.
 614         * tree-sra.c (scan_function): Likewise.
 615         (decide_instantiations): Likewise.
 616         (scalarize_parms): Likewise.
 617         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 618         (dsa_named_for): Likewise.
 619         * tree-ssa-structalias.c (update_alias_info): Likewise.
 620         (merge_smts_into): Likewise.
 621
 622 2008-02-27  David Daney  <ddaney@avtrex.com>
 623
 624         PR target/34409
 625         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 626         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 627         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 628         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 629         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 630
 631 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 632
 633         PR target/25477
 634         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 635         (BUILT_IN_NEXTTOWARD): Remove.
 636         (BUILT_IN_NEXTTOWARDF): Ditto.
 637         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 638         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 639
 640 2008-02-27  Tom Tromey  <tromey@redhat.com>
 641
 642         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 643         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 644
 645 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 646
 647         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 648         update the respective field on newdecl.
 649
 650 2008-02-27  Revital Eres  <eres@il.ibm.com>
 651
 652         PR rtl-optimization/34999
 653         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 654         crossing edges that ends with a call insn.
 655         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 656         call insn and clear the EDGE_CROSSING flag of the crossing edge
 657         when fixing fallthru edges.
 658
 659 2008-02-27  Richard Guenther  <rguenther@suse.de>
 660
 661         PR middle-end/35390
 662         * fold-const.c (fold_unary): Return the correct argument,
 663         converted to the result type.
 664
 665 2008-02-27  Richard Guenther  <rguenther@suse.de>
 666
 667         PR middle-end/34971
 668         * expr.c (expand_expr_real_1): Assert on rotates that operate
 669         on partial modes.
 670         * fold-const.c (fold_binary): Use the types precision, not the
 671         bitsize of the mode if folding rotate expressions.  Build rotates
 672         only for full modes.
 673
 674 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 675
 676         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 677         and CPP_PRAGMA_EOL.
 678         * c-pragma.c (pragma_ns_name): New typedef.
 679         (registered_pp_pragmas): New variable.
 680         (c_pp_lookup_pragma): New function.
 681         (c_register_pragma_1): If flag_preprocess_only, do nothing
 682         for non-expanded pragmas, for expanded ones push pragma's
 683         namespace and name into registered_pp_pragmas vector.
 684         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 685         flag_preprocess_only, don't register GCC pch_preprocess
 686         pragma if flag_preprocess_only.
 687         * c-opts.c (c_common_init): Call init_pragma even if
 688         flag_preprocess_only.
 689         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 690         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 691         cpp_register_pragma if flag_preprocess_only.
 692
 693 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 694
 695         PR c/28800
 696         * c-parser.c (c_parser_translation_unit): Warn for empty
 697         translation unit, not empty source file.
 698
 699 2008-02-26  Paul Brook  <paul@codesourcery.com>
 700
 701         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 702         operand for Thumb-2.
 703         * config/arm/arm.h (reg_class): Add CORE_REGS.
 704         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 705         (BASE_REG_CLASS): Use CORE_REGS.
 706         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 707         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 708         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 709         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 710         ARM_REGNO_OK_FOR_INDEX_P.
 711         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 712         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 713         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 714         (ldm/stm peepholes): Ditto.
 715         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 716         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 717         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 718         * config/arm/constraints.md: Enable "k" constraint on ARM.
 719
 720 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 721
 722         * config/rs6000/rs6000.c: Annotate cache line size field in all
 723         instances of struct processor_costs.
 724
 725 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 726
 727         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 728         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 729         jump_bypass): New counters.
 730         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 731         * dce.c (gate_ud_dce): Same.
 732         (gate_fast_dce): Same.
 733         * dse.c (gate_dse1): New function.
 734         (gate_dse2): New function.
 735         (gate_dse): Merge results of new gate functions.
 736         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 737         (gate_handle_jump_bypass): Add dbg_cnt.
 738         (gate_handle_gcse): Add dbg_cnt.
 739         * ifcvt.c (gate_handle_if_conversion): Same.
 740         (gate_handle_if_after_combine): Same.
 741         (gate_handle_if_after_reload): Same.
 742         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 743
 744 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 745
 746         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 747         line sizes.
 748         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 749
 750 2008-02-26  Jason Merrill  <jason@redhat.com>
 751
 752         PR c++/35315
 753         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 754         alone if it's the naming decl for the type's main variant.
 755
 756 2008-02-26  Tom Tromey  <tromey@redhat.com>
 757
 758         * system.h (USE_MAPPED_LOCATION): Poison.
 759         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
 760         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
 761         (make_goto_expr_edges): Likewise.
 762         (remove_bb): Likewise.
 763         (execute_warn_function_return): Likewise.
 764         * basic-block.h (struct edge_def) <goto_locus>: Change type to
 765         location_t.
 766         * c-common.c (fname_decl): Remove old location code.
 767         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
 768         location code.
 769         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
 770         variant.
 771         (ASM_INPUT_SOURCE_LOCATION): Likewise.
 772         (gen_rtx_ASM_INPUT): Likewise.
 773         (gen_rtx_ASM_INPUT_loc): Likewise.
 774         (get_rtx_asm_OPERANDS): Remove.
 775         * cfglayout.c (insn_locators_alloc): Remove old location code.
 776         (set_curr_insn_source_location): Likewise.
 777         (curr_insn_locator): Likewise.
 778         * print-tree.c (print_node): Remove old location code.
 779         * tree-mudflap.c (mf_varname_tree): Remove old location code.
 780         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
 781         * cfgexpand.c (expand_gimple_cond_expr): Don't use
 782         location_from_locus.
 783         (construct_exit_block): Remove old location code.
 784         * emit-rtl.c (force_next_line_note): Remove old location code.
 785         * profile.c (branch_prob): Remove old location code.
 786         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
 787         LOC_LINE): Remove old-location variants.
 788         * langhooks.c (lhd_print_error_function): Remove old location
 789         code.
 790         * configure, config.in: Rebuilt.
 791         * configure.ac (--enable-mapped-location): Remove.
 792         * c-decl.c (c_init_decl_processing): Remove old location code.
 793         (finish_function): Likewise.
 794         * recog.c (decode_asm_operands): Remove old location code.
 795         * c-pch.c (c_common_read_pch): Remove old location code.
 796         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
 797         variants.
 798         * gimple-low.c (lower_function_body): Remove old location code.
 799         * toplev.c (unknown_location): Remove.
 800         (push_srcloc): Remove old-location variant.
 801         (process_options): Remove old location code.
 802         (lang_dependent_init): Likewise.
 803         * input.h (UNKNOWN_LOCATION): Move definition.
 804         (location_t): Undeprecate.
 805         (source_locus): Remove.
 806         (location_from_locus): Remove.
 807         (struct location_s): Remove.
 808         Remove all old-location code.
 809         (input_line, input_filename): Remove.
 810         * final.c (final_scan_insn): Remove old location code.
 811         * diagnostic.c (diagnostic_build_prefix): Remove
 812         USE_MAPPED_LOCATION test.
 813         * tree.h (gimple_stmt) <locus>: Now a location_t.
 814         (tree_exp) <locus>: Likewise.
 815         (DECL_IS_BUILTIN): Remove old-location variant.
 816         (annotate_with_file_line, annotate_with_locus): Likewise.
 817         (expr_locus, set_expr_locus): Update.
 818         * tree.c (build1_stat): Remove old location code.
 819         (last_annotated_node): Remove.
 820         (annotate_with_file_line): Remove old-location variant.
 821         (annotate_with_locus): Likewise.
 822         (expr_location): Remove old location code.
 823         (set_expr_location): Likewise.
 824         (expr_has_location): Likewise.
 825         (expr_locus): Likewise.
 826         (set_expr_locus): Likewise.
 827         (expr_filename): Don't use location_from_locus.
 828         (expr_lineno): Likewise.
 829         * rtl-error.c (location_for_asm): Remove old location code.
 830         * c-lex.c (cb_line_change): Remove old location code.
 831         (fe_file_change): Likewise.
 832         (cb_def_pragma): Likewise.
 833         (c_lex_with_flags): Likewise.
 834         * gengtype.c (do_typedef): Don't special-case location types.
 835         (define_location_structures): Remove.
 836         (main): Don't call define_location_structures.
 837         * tree-pretty-print.c (dump_implicit_edges): Remove old location
 838         code.
 839
 840 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 841
 842         PR 26264
 843         * builtins.def (BUILT_IN_STDARG_START): Remove.
 844         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 845         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
 846         * tree-inline.c (inline_forbidden_p_1): Likewise.
 847
 848 2008-02-26  Richard Guenther  <rguenther@suse.de>
 849
 850         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 851         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 852         (lookup_decl_from_uid): Declare.
 853         (remove_decl_from_map): Likewise.
 854         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 855         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 856         (decl_for_uid_map): New global hashtable mapping DECL_UID
 857         to the decl tree.
 858         (init_ttree): Allocate it.
 859         (insert_decl_to_uid_decl_map): New helper function.
 860         (make_node_stat): Insert new decls into the map.
 861         (copy_node_stat): Likewise.
 862         (lookup_decl_from_uid): New function.
 863         (remove_decl_from_map): Likewise.
 864         (print_decl_for_uid_map_statistics): New helper.
 865         (dump_tree_statistics): Call it.
 866
 867         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 868         (referenced_var_iterator): Adjust.
 869         (FOR_EACH_REFERENCED_VAR): Adjust.
 870         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 871         (num_referenced_vars): Adjust.
 872         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 873         (first_referenced_var): Remove.
 874         (end_referenced_vars_p): Likewise.
 875         (next_referenced_var): Likewise.
 876         (referenced_var_iterator_set): New helper function.
 877         * tree-dfa.c (referenced_var_lookup): Adjust.
 878         (referenced_var_check_and_insert): Likewise.
 879         (remove_referenced_var): Likewise.
 880         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 881         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 882         (verify_call_clobbering): Likewise.
 883         (verify_memory_partitions): Likewise.
 884         (init_tree_ssa): Allocate bitmap instead of hashtable for
 885         referenced_vars.
 886         (delete_tree_ssa): Adjust.
 887         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 888         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 889         (compute_tag_properties): Likewise.
 890         (set_initial_properties): Likewise.
 891         (find_partition_for): Likewise.
 892         (update_reference_counts): Likewise.
 893         (dump_may_aliases_for): Likewise.
 894         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 895         (add_call_clobber_ops): Likewise.
 896         (add_call_read_ops): Likewise.
 897         (get_asm_expr_operands): Likewise.
 898         * tree-into-ssa.c (dump_decl_set): Likewise.
 899         (update_ssa): Likewise.
 900         * tree-sra.c (scan_function): Likewise.
 901         (decide_instantiations): Likewise.
 902         (scalarize_parms): Likewise.
 903         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 904         (dsa_named_for): Likewise.
 905         * tree-ssa-structalias.c (update_alias_info): Likewise.
 906         (merge_smts_into): Likewise.
 907
 908 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 909
 910         PR 34351
 911         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
 912         * c-opts.c (c_common_handle_option): Wall enables
 913         Wvolatile-register-var.
 914         * common.opt: Move Wvolatile-register-var to...
 915         * c.opt: ...here.
 916
 917 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 918
 919         * common.opt (Wlarger-than=): New.
 920         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
 921         -Wlarger-than=.
 922         * opts.c (common_handle_option): Handle -Wlarger-than=.
 923         * optc-gen.awk: Likewise.
 924         * opth-gen.awk: Likewise.
 925         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
 926         * tree-optimize.c (tree_rest_of_compilation): Likewise.
 927
 928 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 929
 930         * c-common.c (match_case_to_enum_1): Add appropriate
 931         OPT_W* parameter to warning.
 932         (c_do_switch_warnings): Likewise.
 933         * c-typeck.c (warning_init): Add one more parameter following
 934         'warning' function.
 935         (push_init_level): Update call to warning_init.
 936         (pop_init_level): Likewise.
 937         (add_pending_init): Likewise.
 938         (output_init_element: Likewise.
 939
 940 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 941
 942         PR 28322
 943         * toplev.c (toplev_main): If there are warnings or error, print
 944         errors for ignored options.
 945         * opts.c (ignored_options): New static variable.
 946         (postpone_unknown_option_error): New.
 947         (print_ignored_options): New.
 948         (handle_option): Postpone errors for unknown -Wno-* options.
 949         * opts.h (print_ignored_options): Declare.
 950
 951 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
 952
 953         * config/mips/mips.md (loadgp_blockage, blockage): Change type
 954         to "ghost".
 955
 956 2008-02-25  Richard Guenther  <rguenther@suse.de>
 957
 958         Revert:
 959         2008-02-25  Richard Guenther  <rguenther@suse.de>
 960
 961         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 962         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 963         (lookup_decl_from_uid): Declare.
 964         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 965         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 966         (decl_for_uid_map): New global hashtable mapping DECL_UID
 967         to the decl tree.
 968         (init_ttree): Allocate it.
 969         (insert_decl_to_uid_decl_map): New helper function.
 970         (make_node_stat): Insert new decls into the map.
 971         (copy_node_stat): Likewise.
 972         (lookup_decl_from_uid): New function.
 973         (print_decl_for_uid_map_statistics): New helper.
 974         (dump_tree_statistics): Call it.
 975
 976         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 977         (referenced_var_iterator): Adjust.
 978         (FOR_EACH_REFERENCED_VAR): Adjust.
 979         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 980         (num_referenced_vars): Adjust.
 981         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 982         (first_referenced_var): Remove.
 983         (end_referenced_vars_p): Likewise.
 984         (next_referenced_var): Likewise.
 985         (referenced_var_iterator_set): New helper function.
 986         * tree-dfa.c (referenced_var_lookup): Adjust.
 987         (referenced_var_check_and_insert): Likewise.
 988         (remove_referenced_var): Likewise.
 989         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 990         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 991         (verify_call_clobbering): Likewise.
 992         (verify_memory_partitions): Likewise.
 993         (init_tree_ssa): Allocate bitmap instead of hashtable for
 994         referenced_vars.
 995         (delete_tree_ssa): Adjust.
 996         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 997         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 998         (compute_tag_properties): Likewise.
 999         (set_initial_properties): Likewise.
1000         (find_partition_for): Likewise.
1001         (update_reference_counts): Likewise.
1002         (dump_may_aliases_for): Likewise.
1003         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1004         (add_call_clobber_ops): Likewise.
1005         (add_call_read_ops): Likewise.
1006         (get_asm_expr_operands): Likewise.
1007         * tree-into-ssa.c (dump_decl_set): Likewise.
1008         (update_ssa): Likewise.
1009         * tree-sra.c (scan_function): Likewise.
1010         (decide_instantiations): Likewise.
1011         (scalarize_parms): Likewise.
1012         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1013         (dsa_named_for): Likewise.
1014         * tree-ssa-structalias.c (update_alias_info): Likewise.
1015         (merge_smts_into): Likewise.
1016
1017 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1018
1019         PR fortran/29549
1020         * doc/invoke.texi (-fcx-limited-range): Document new option.
1021         * toplev.c (process_options): Handle -fcx-fortran-rules.
1022         * common.opt: Add documentation for -fcx-fortran-rules.
1023
1024 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1025
1026         PR c/35162
1027         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1028         actual behaviour and C99.
1029
1030 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1031
1032         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1033         (ASM_CPU_POWER6_SPEC): Likewise.
1034         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1035         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1036         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1037
1038 2008-02-25  Richard Guenther  <rguenther@suse.de>
1039
1040         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1041         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1042         (lookup_decl_from_uid): Declare.
1043         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1044         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1045         (decl_for_uid_map): New global hashtable mapping DECL_UID
1046         to the decl tree.
1047         (init_ttree): Allocate it.
1048         (insert_decl_to_uid_decl_map): New helper function.
1049         (make_node_stat): Insert new decls into the map.
1050         (copy_node_stat): Likewise.
1051         (lookup_decl_from_uid): New function.
1052         (print_decl_for_uid_map_statistics): New helper.
1053         (dump_tree_statistics): Call it.
1054
1055         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1056         (referenced_var_iterator): Adjust.
1057         (FOR_EACH_REFERENCED_VAR): Adjust.
1058         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1059         (num_referenced_vars): Adjust.
1060         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1061         (first_referenced_var): Remove.
1062         (end_referenced_vars_p): Likewise.
1063         (next_referenced_var): Likewise.
1064         (referenced_var_iterator_set): New helper function.
1065         * tree-dfa.c (referenced_var_lookup): Adjust.
1066         (referenced_var_check_and_insert): Likewise.
1067         (remove_referenced_var): Likewise.
1068         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1069         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1070         (verify_call_clobbering): Likewise.
1071         (verify_memory_partitions): Likewise.
1072         (init_tree_ssa): Allocate bitmap instead of hashtable for
1073         referenced_vars.
1074         (delete_tree_ssa): Adjust.
1075         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1076         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1077         (compute_tag_properties): Likewise.
1078         (set_initial_properties): Likewise.
1079         (find_partition_for): Likewise.
1080         (update_reference_counts): Likewise.
1081         (dump_may_aliases_for): Likewise.
1082         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1083         (add_call_clobber_ops): Likewise.
1084         (add_call_read_ops): Likewise.
1085         (get_asm_expr_operands): Likewise.
1086         * tree-into-ssa.c (dump_decl_set): Likewise.
1087         (update_ssa): Likewise.
1088         * tree-sra.c (scan_function): Likewise.
1089         (decide_instantiations): Likewise.
1090         (scalarize_parms): Likewise.
1091         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1092         (dsa_named_for): Likewise.
1093         * tree-ssa-structalias.c (update_alias_info): Likewise.
1094         (merge_smts_into): Likewise.
1095
1096 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1097
1098         PR target/35258
1099         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1100         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1101         * alias.h (nonoverlapping_memrefs_p): Likewise.
1102
1103 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1104
1105         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1106         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1107         __emultls_get_address, __emultls_register_common,
1108         __floatundi?f, and _Unwind_GetIPInfo.
1109         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1110         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1111         (gen_regparm_prefix): Likewise.
1112         (i386_nlm_encode_section_info): Sync with
1113         config/i386/winnt.c:i386_pe_encode_section_info().
1114         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1115         i386_nlm_mangle_decl_assembler_name): New.
1116         (netware_override_options): New.
1117         * config/i386/netware.h (netware_override_options): Declare.
1118         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1119         (i386_nlm_mangle_decl_assembler_name): Declare.
1120         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1121
1122 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1123
1124         PR other/32948
1125         * c-decl.c (grokdeclarator): Remove unused local variables
1126         `typedef_type' and `type_as_written'.
1127         * bb-reorder.c
1128         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1129         unused local variable `has_hot_blocks'.
1130         (fix_crossing_conditional_branches): Remove unused local variable
1131         `prev_bb'.
1132
1133 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1134
1135         PR middle-end/19984
1136         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1137         using DEF_C99_BUILTIN.
1138         (BUILT_IN_NANF): Ditto.
1139         (BUILT_IN_NANL): Ditto.
1140
1141 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1142             Revital Eres  <eres@il.ibm.com>
1143
1144         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1145         regarding the order of two dependent insns in the same row.
1146
1147 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1148
1149         * stor-layout.c (layout_decl): Do not bump the alignment of a
1150         bit-field to more than byte alignment if it is packed.
1151
1152 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1153
1154         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1155         e300c2 and e300c3.
1156
1157 2008-02-24  Diego Novillo  <dnovillo@google.com>
1158
1159         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1160
1161         PR 33738
1162         * tree-vrp.c (vrp_evaluate_conditional): With
1163         -Wtype-limits, emit a warning when comparing against a
1164         constant outside the natural range of OP0's type.
1165         * c.opt (Wtype-limits): Move ...
1166         * common.opt (Wtype-limits): ... here.
1167
1168 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1169
1170         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1171         * config/rs6000/e300c2c3.md: New file.
1172         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1173         e300c2 and e300c3.
1174         (rs6000_override_options): Add e300c2 and e300c3 cases to
1175         processor_target_table. Do not allow usage of Altivec or Spe
1176         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1177         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1178         * config/rs6000/rs6000.h (processor_type): Add
1179         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1180         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1181         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1182         and ppce300c3. Include e300c2c3.md.
1183
1184 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1185
1186         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1187         instead of TARGET_STRICT_ALIGN.
1188
1189 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1190
1191         * explow.c (memory_address): Assert that the generated address is
1192         valid.
1193
1194 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1195
1196         PR target/25477
1197         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1198         * config/darwin-ppc-ldouble-patch.def: New file.
1199         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1200         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1201         SUBTARGET_INIT_BUILTINS if defined.
1202         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1203         New functions.
1204
1205 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1206
1207         PR rtl-opt/33512
1208         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1209         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1210
1211 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1212
1213         PR pch/35027
1214         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1215         file" warning condtional on -Winvalid-PCH.
1216
1217 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1218
1219         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1220
1221 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         PR target/22076
1224         PR target/34256
1225         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1226         prevent reload from using MMX registers.
1227         (*mov<mode>_internal): Ditto.
1228         (*movv2sf_internal_rex64): Ditto.
1229         (*movv2sf_internal): Ditto.
1230
1231 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1232
1233         PR documentation/31569
1234         * doc/install.texi2html: Use makeinfo --no-number-sections.
1235
1236 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1237
1238         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1239         ensure that we can address an entire entity > 8 bytes.  Don't
1240         generate reg+reg addressing for such data.
1241
1242 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1243
1244         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1245         strings when optimizing for size, unless the target cares about
1246         alignment.
1247
1248 2008-02-22  Tom Tromey  <tromey@redhat.com>
1249
1250         * regclass.c (current_pass): Remove declaration.
1251
1252 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1253
1254         * config/avr/libgcc.S (__RAMPZ__): Define.
1255         (__do_copy_data): Add for devices with 128KB code memory.
1256
1257 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1258
1259         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1260         Use spe_abi.
1261         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1262
1263 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1264
1265         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1266         GENNONACR_REGS.
1267
1268 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1269
1270         PR c/19999
1271         * c-typeck.c (build_binary_op): Warn about floating point
1272         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1273
1274 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1275
1276         PR target/34526
1277         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1278         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1279         add vrsave.
1280         (rs6000_override_options): Set altivec_abi as default, not override,
1281         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1282         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1283         is used; use new member spe_abi.
1284         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1285         spe_abi and altivec_abi.
1286
1287 2008-02-22  Tomas Bily  <tbily@suse.cz>
1288
1289         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1290
1291 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1292
1293         PR bootstrap/35273
1294         * config.build (build_file_translate): Set to `CMD //c' only if
1295         it works.
1296         * Makefile.in (build_file_translate): Improve comment.
1297
1298 2008-02-21  Jan Hubicka  <jh@suse.cz>
1299
1300         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1301         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1302         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1303
1304 2008-02-21  Michael Matz  <matz@suse.de>
1305
1306         PR target/35264
1307         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1308
1309 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1310
1311         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1312         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1313         as insn constraint.
1314         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1315         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1316         SSE_VEC_FLOAT_MODE_P as insn constraint.
1317         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1318         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1319         sse4a_movntdf using MODEF mode iterator.
1320         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1321         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1322         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1323         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1324         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1325         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1326         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1327
1328 2008-02-21  Richard Guenther  <rguenther@suse.de>
1329
1330         * tree.def (PAREN_EXPR): New tree code.
1331         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1332         and PAREN_EXPR.
1333         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1334         * expr.c (expand_expr_real_1): Likewise.
1335         * tree-inline.c (estimate_num_insns_1): Likewise.
1336         * tree-complex.c (expand_complex_move): Likewise.
1337         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1338         as plain x.
1339
1340 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1341
1342         PR target/35225
1343         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1344
1345 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1346
1347         PR target/35190
1348         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1349
1350         * config/sh/sh.c (find_barrier): Don't go past
1351         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1352
1353 2008-02-20  DJ Delorie  <dj@redhat.com>
1354
1355         * config/h8300/h8300.md (insv): Force source operand to be a register.
1356
1357         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1358         as a jump, not as a plain insn.
1359
1360 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1361
1362         * doc/invoke.texi (Warning Options): Add new option
1363         -Wframe-larger-than=.
1364         (-Wframe-larger-than): Document.
1365
1366         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1367         Add declarations for new option variables.
1368
1369         * final.c (final_start_function): Check the frame size
1370         before emission and issue a Wframe-larger-than warning.
1371
1372         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1373         Add definitions for new option variables.
1374         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1375
1376         * common.opt (Wframe-larger-than=): New option.
1377
1378 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1381         (<sse>_div<mode>3): Ditto.
1382         (<sse>_vmdiv<mode>3): Ditto.
1383         (<sse>_vmsqrt<mode>2): Ditto.
1384         (*smax<mode>3): Ditto.
1385         (sse5_frcz<mode>2): Ditto.
1386         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1387         as insn constraint.
1388
1389 2008-02-20  Richard Guenther  <rguenther@suse.de>
1390
1391         PR middle-end/35265
1392         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1393         be happy with INTEGRAL_TYPE_P.
1394
1395 2008-02-20  Richard Guenther  <rguenther@suse.de>
1396
1397         * fold-const.c (split_tree): Associate floatig-point expressions
1398         if flag_associative_math is set.
1399
1400 2008-02-20  Richard Guenther  <rguenther@suse.de>
1401
1402         * tree.h (fold_real_zero_addition_p): Declare.
1403         * fold-const.c (fold_real_zero_addition_p): Export.
1404         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1405         floating-point operations with zero and one.
1406
1407 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1408
1409         * doc/install.texi: Correct references to CFLAGS, replacing them
1410         with BOOT_CFLAGS.  Document flags used during bootstrap for
1411         target libraries.
1412
1413 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1414
1415         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1416         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1417         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1418         insn constraint.
1419         (smin<mode>3): Ditto from similar patterns.
1420         (smax<mode>3): Ditto.
1421         (*ieee_smin<mode>3): Ditto.
1422         (*ieee_smax<mode>3): Ditto.
1423         * config/i386/sse.md (sse): New mode attribute.
1424         (mov<mode>): Macroize expander from movv4sf and movv2df using
1425         SSEMODEF2P mode iterator.
1426         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1427         SSE_VEC_FLOAT_MODE_P as insn constraint.
1428         (storent<mode>): Ditto.
1429         (storent<mode>): Macroize expander from storentsf and storentdf using
1430         MODEF mode iterator.
1431         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1432         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1433         (abs<mode>2): Ditto from similar patterns.
1434         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1435         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1436         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1437         (<sse>_vmsqrt<mode>2): Ditto.
1438         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1439         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1440         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1441         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1442         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1443         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1444         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1445         insn constraint.
1446         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1447         iterator and SSE_FLOAT_MODE_P as insn constraint.
1448         (<sse>_ucomi): Ditto from similar patterns.
1449         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1450         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1451         SSE_VEC_FLOAT_MODE_P as insn constraint.
1452         (vcond<mode>): Ditto from similar patterns.
1453         (and<mode>3, *and<mode>3): Ditto.
1454         (<sse>_nand<mode>3): Ditto.
1455         (ior<mode>3, *ior<mode>3): Ditto.
1456         (xor<mode>3, *xor<mode>3): Ditto.
1457         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1458         iterator and SSE_FLOAT_MODE_P as insn constraint.
1459         (*nand<mode>3): Ditto from similar patterns.
1460         (*ior<mode>3): Ditto.
1461         (*xor<mode>3): Ditto.
1462
1463 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1464
1465         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1466         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1467         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1468
1469 2008-02-19  Jan Hubicka  <jh@suse.cz>
1470
1471         * predict.c (tree_bb_level_predictions): Remove variable next
1472         mistakely introduced by previous commit.
1473
1474 2008-02-19  Jan Hubicka  <jh@suse.cz>
1475
1476         * predict.c (predict_paths_leading_to): Rewrite.
1477         (predict_paths_for_bb): New.
1478         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1479
1480 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1481
1482         PR bootstrap/35218
1483         * Makefile.in (build_file_translate): New.
1484         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1485         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1486         * configure.ac (build_file_translate): Substitute it.
1487         * configure: Regenerate.
1488
1489 2008-02-19  Jan Hubicka  <jh@suse.cz>
1490
1491         PR rtl-optimization/34408
1492         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1493         invalid sharing.
1494
1495 2008-02-19  Jan Hubicka  <jh@suse.cz>
1496
1497         PR middle-end/28779
1498         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1499         call_expr.
1500
1501 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1502
1503         PR Ada/35186
1504         * config/i386/i386-modes.def: Revert the last DI alignment
1505         change until Ada people can look into it.
1506
1507 2008-02-19  Nick Clifton  <nickc@redhat.com>
1508
1509         * opts.c (print_specific_help): Fix typo in --help text.
1510
1511 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1512
1513         PR target/35239
1514         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1515         32-bit inline asm without asm alternatives for host GCC < 3.0.
1516
1517 2008-02-19  Richard Guenther  <rguenther@suse.de>
1518
1519         PR tree-optimization/34989
1520         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1521         Allow propagation to INDIRECT_REF if we can simplify only.
1522
1523 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1524
1525         * c-common.c (warn_for_collisions_1): Use appropriate option when
1526         warning.
1527
1528 2008-02-19  Nick Clifton  <nickc@redhat.com>
1529
1530         PR other/31349
1531         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1532         (handle_options): Fix indentation.
1533         (print_filtered_help): If no language-specific options were
1534         displayed tell the user how to list all the options supported by
1535         the language's front-end.
1536         (print_specific_help): Fix indentation and remove duplicate line.
1537         (common_handle_option): Handle the -v option.
1538         For --help enable the display of undocumented options if the -v
1539         switch has been included on the command line.
1540         For --help= check for overlaps in the arguments between the option
1541         classes and the language names and issue a warning when they
1542         cannot be disambiguated.
1543         * c.opt (v): Pass on to the common option handler.
1544
1545 2008-02-19  Revital Eres  <eres@il.ibm.com>
1546
1547         * modulo-sched.c (sms_schedule): Change dump message when
1548         create_ddg function fails.
1549         (try_scheduling_node_in_cycle): Rename row to cycle.
1550         (print_partial_schedule): Rename CYCLE to ROW.
1551
1552 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1553             Zdenek Dvorak  <ook@ucw.cz>
1554
1555         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1556
1557 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1558
1559         PR target/33555
1560         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1561         (*x86_movdicc_0_m1_se): Ditto.
1562
1563 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1564
1565         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1566         (CMPtype): Define as __gcc_CMPtype.
1567         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1568         (CMPtype): Define as __gcc_CMPtype.
1569
1570 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1571
1572         Support valgrind 3.3 for --enable-checking=valgrind.
1573         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1574         here.
1575         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1576         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1577         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1578         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1579         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1580         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1581         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1582         respectively.
1583         * ggc-zone.c: Similar.
1584         * ggc-page.c: Similar.
1585
1586 2008-02-19  Paul Brook  <paul@codesourcery.com>
1587
1588         PR target/35071
1589         * config/arm/ieee754-df.S: Fix do_it typo.
1590         * config/arm/ieee754-sf.S: Fix do_it typo.
1591
1592 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         PR target/35189
1595         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1596         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1597         (OPTION_MASK_ISA_SSE_SET): Likewise.
1598         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1599         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1600         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1601         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1602         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1603         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1604         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1605         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1606         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1607         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1608         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1609         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1610         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1611         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1612         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1613         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1614         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1615         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1616         (OPTION_MASK_ISA_SSE4): Removed.
1617         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1618         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1619         -mXXX.
1620         (override_options): Don't turn on implied SSE/MMX bits in
1621         ix86_isa_flags.
1622
1623 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1624
1625         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1626         32bit host.
1627
1628 2008-02-18  Joey Ye  <joey.ye@intel.com>
1629
1630         PR middle-end/34921
1631         * tree-nested.c (insert_field_into_struct): Set type alignment
1632         to field alignment if the former is less than the latter.
1633
1634 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1635
1636         * BASE-VER: Set to 4.4.0.
1637
1638 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1639
1640         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1641         * doc/cfg.texi: Likewise.
1642         * doc/extend.texi: Likewise.
1643         * doc/gty.texi: Likewise.
1644         * doc/invoke.texi: Likewise.
1645         * doc/loop.texi: Likewise.
1646         * doc/md.texi: Likewise.
1647         * doc/passes.texi: Likewise.
1648         * doc/rtl.texi: Likewise.
1649         * doc/sourcebuild.texi: Likewise.
1650         * doc/tm.texi: Likewise.
1651         * doc/tree-ssa.texi: Likewise.
1652
1653 2008-02-17  Richard Guenther  <rguenther@suse.de>
1654
1655         PR middle-end/35227
1656         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1657         without default definition.
1658
1659 2008-02-17  Richard Guenther  <rguenther@suse.de>
1660
1661         PR tree-optimization/35231
1662         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1663         if A | B != 1.
1664
1665 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         Revert:
1668
1669         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1670         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1671         libgcc_cmp_return mode.
1672
1673 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1674
1675         PR c/28368
1676         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1677
1678 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1679
1680         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1681         multilibs.
1682
1683 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1684
1685         * doc/c-tree.texi: Use `@.' where appropriate.
1686         * doc/extend.texi: Likewise.
1687         * doc/install.texi: Likewise.
1688         * doc/invoke.texi: Likewise.
1689         * doc/loop.texi: Likewise.
1690         * doc/makefile.texi: Likewise.
1691         * doc/md.texi: Likewise.
1692         * doc/passes.texi: Likewise.
1693         * doc/standards.texi: Likewise.
1694         * doc/tm.texi: Likewise.
1695
1696 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR middle-end/35196
1699         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1700         in entry_bb.
1701         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1702         rather than in entry_bb.
1703
1704 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1705
1706         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1707         libgcc_cmp_return mode.
1708
1709 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1710
1711         PR middle-end/35130
1712         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1713         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1714
1715 2008-02-15  Richard Guenther  <rguenther@suse.de>
1716             Zdenek Dvorak  <ook@ucw.cz>
1717
1718         PR tree-optimization/35164
1719         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1720         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1721         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1722         Only propagate addresses which do not have abnormal SSA_NAMEs
1723         in their operands.
1724
1725 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1726
1727         PR target/35088
1728         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1729
1730 2008-02-15  Jan Hubicka  <jh@suse.cz>
1731
1732         PR middle-end/35149
1733         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1734
1735 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1736
1737         PR middle-end/34621
1738         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1739         when calculating alignment_pad.
1740
1741 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1742
1743         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1744         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1745         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1746         and STACK_BOUNDARY define.
1747
1748 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1749
1750         PR preprocessor/35061
1751         * c-pragma.c (handle_pragma_pop_macro): Check that
1752         pushed_macro_table has been allocated.
1753
1754 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1755
1756         PR middle-end/35136
1757         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1758         (force_gimple_operand): Likewise.
1759         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1760         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1761         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1762         (find_interesting_uses_address): Check addressability and alignment
1763         of the base expression only after substituting bases of IVs into it.
1764
1765 2008-02-14  Michael Matz  <matz@suse.de>
1766
1767         PR target/34930
1768         * function.c (instantiate_virtual_regs_in_insn): Reload address
1769         before falling back to reloading the whole operand.
1770
1771 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1772
1773         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1774         before the first section switch note.
1775
1776 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1777
1778         * doc/bugreport.texi: Update copyright years.
1779         * doc/c-tree.texi: Likewise.
1780         * doc/cfg.texi: Likewise.
1781         * doc/cpp.texi: Likewise.
1782         * doc/cppinternals.texi: Likewise.
1783         * doc/fragments.texi: Likewise.
1784         * doc/frontends.texi: Likewise.
1785         * doc/gcc.texi: Likewise.
1786         * doc/gty.texi: Likewise.
1787         * doc/hostconfig.texi: Likewise.
1788         * doc/implement-c.texi: Likewise.
1789         * doc/libgcc.texi: Likewise.
1790         * doc/loop.texi: Likewise.
1791         * doc/makefile.texi: Likewise.
1792         * doc/options.texi: Likewise.
1793         * doc/passes.texi: Likewise.
1794         * doc/rtl.texi: Likewise.
1795         * doc/sourcebuild.texi: Likewise.
1796         * doc/standards.texi: Likewise.
1797         * doc/tree-ssa.texi: Likewise.
1798         * doc/trouble.texi: Likewise.
1799
1800         * doc/extend.texi: Use @: or add comma where appropriate.
1801         * doc/invoke.texi: Likewise.
1802         * doc/tm.texi: Likewise.
1803
1804 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1805
1806         PR target/34393
1807         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1808         to a reg.
1809
1810 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1811
1812         * doc/md.texi (clz, ctz): Add reference.
1813         * doc/rtl.texi (clz, ctz): Likewise.
1814
1815 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1816
1817         PR other/35148
1818         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1819         srcdir.
1820
1821 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1822
1823         * config/s390/s390.c (struct constant_pool): New field
1824         emit_pool_after added.
1825         (s390_mainpool_start): Set the emit_pool_after flag according
1826         to the section switch notes.
1827         (s390_mainpool_finish): Consider emit_pool_after when emitting
1828         the literal pool at the end of the function.
1829         (s390_chunkify_start): Force literal pool splits at section
1830         switch notes.
1831
1832 2008-02-13  Michael Matz  <matz@suse.de>
1833
1834         PR debug/35065
1835         * var-tracking.c (clobber_variable_part): Correctly traverse the
1836         list.
1837
1838 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1839
1840         PR 29673
1841         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1842         Add -fdump-ipa-inline.
1843         * tree-dump.c (dump_files): Remove tree-inlined dump.
1844         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1845
1846 2008-02-12  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/35171
1849         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1850         default defs.
1851
1852 2008-02-12  Richard Guenther  <rguenther@suse.de>
1853
1854         PR middle-end/35163
1855         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1856         value-preserving mode.  Disallow final truncation.
1857
1858 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1859
1860         PR middle-end/35136
1861         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1862         code from here to...
1863         (force_gimple_operand): ...here.
1864
1865 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR c++/35144
1868         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1869         non-compatible pointers.
1870         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1871         different FIELD_DECLs, try harder by comparing field offsets, sizes
1872         and types.
1873
1874         PR inline-asm/35160
1875         * function.c (match_asm_constraints_1): Don't replace the same input
1876         multiple times.
1877
1878 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1879
1880         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1881         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1882         (expand_epilogue): Restore RAMPZ register.
1883         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1884
1885 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1886
1887         * config/i386/cygwin.asm: (__alloca): Correct calling
1888         convention and alignment.
1889         (__chkstk): Force 8 byte stack alignment.
1890
1891 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1892             Richard Guenther  <rguenther@suse.de>
1893
1894         PR tree-optimization/33992
1895         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1896         the zero we compare against.
1897
1898 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1899
1900         PR libfortran/35063
1901         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1902         to CloseHandle after unlocking to prevent accumulation of handle
1903         count.
1904
1905 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1906
1907         PR middle_end/34150
1908         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1909         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1910         and update LABEL_NUSES during and after reload.
1911
1912 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1913
1914         PR middle-end/34627
1915         * combine.c (simplify_if_then_else): Make sure the comparison is
1916         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1917
1918 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1919
1920         PR bootstrap/35051
1921         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1922         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1923         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1924         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1925         * tree.h (get_type_static_bounds): Likewise.
1926
1927 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1928
1929         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1930         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1931         Make -Wfoo language annotations match what the compiler outputs.
1932
1933 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1934
1935         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
1936         intrinsics spu_convts, spu_convtu, spu_convtf.
1937         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1938
1939 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1940
1941         * doc/extend.texi (Function Attributes) <noinline>: Mention
1942         asm ("") as method to keep calls.
1943
1944 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1945
1946         PR other/32754
1947         * doc/options.texi (Options): Replace references to opts.sh with
1948         optc-gen.awk.
1949         * opts-common.c: Likewise.
1950         * optc-gen.awk: Likewise.
1951
1952 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1953
1954         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1955
1956 2008-02-07  Richard Henderson  <rth@redhat.com>
1957
1958         PR rtl-opt/33410
1959         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1960         EXPR_LIST for the REG_EQUAL instead of a comparison with a
1961         funny mode.
1962
1963 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         PR tree-optimization/35085
1966         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1967         for operand entry oe2 in addition to operand entry oe3 in order to
1968         expose more opportunities for vectorizer sum reduction.
1969
1970 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1971
1972         PR other/35107
1973         * Makefile.in (LIBS): Remove $(GMPLIBS).
1974         (cc1-dummy, cc1): Add $(GMPLIBS).
1975
1976 2008-02-06  Jan Hubicka  <jh@suse.cz>
1977
1978         PR target/23322
1979         * i386.md (moddf_integer): Do not produce partial memory stalls for
1980         targets where it hurts.
1981
1982 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1983
1984         PR target/35083
1985         * optabs.c (expand_float): Do not check for decimal modes when
1986         expanding unsigned integer through signed conversion.
1987
1988 2008-02-06  Nick Clifton  <nickc@redhat.com>
1989
1990         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1991         inside the clobber with a match_operand and duplicated operand
1992         number in the constraint.
1993         (ineqbranchsi): Delete redundant comment.
1994
1995 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1996
1997         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
1998         builtin_define ("__USE_INIT_FINI__").
1999         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2000         -msx multilibs.
2001         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2002
2003 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2004
2005         PR documentation/30330
2006         * doc/invoke.texi (C++ Dialect Options)
2007         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2008         For each warning option -Wfoo that allows -Wno-foo, ensure both
2009         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2010         entry of -Wswitch-default, index -Wnormalized= including the
2011         `=', and -Wlarger-than-@var{len} including @var{len}.
2012
2013 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2014
2015         * config/i386/i386.md (floatunssisf2): Use
2016         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2017         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2018         Macroize expander using MODEF mode iterator.
2019
2020 2008-02-05  Diego Novillo  <dnovillo@google.com>
2021
2022         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2023
2024         PR 33738
2025         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2026
2027 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2028
2029         PR other/35070
2030         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2031
2032 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2033
2034         PR target/35084
2035         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2036         to indicate if a message should be generated.
2037         (init_cumulative_args): Updated.
2038         (function_value_32): Likewise.
2039
2040 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2041
2042         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2043
2044 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         PR target/35083
2047         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2048         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2049
2050 2008-02-04  Diego Novillo  <dnovillo@google.com>
2051
2052         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2053
2054         PR 33738
2055         * tree-vrp.c (vrp_evaluate_conditional): With
2056         -Wtype-limits, emit a warning when comparing against a
2057         constant outside the natural range of OP0's type.
2058
2059 2008-02-04  Richard Guenther  <rguenther@suse.de>
2060
2061         PR middle-end/33631
2062         * expr.c (count_type_elements): Give for unions instead of
2063         guessing.
2064
2065 2008-02-04  Richard Guenther  <rguenther@suse.de>
2066
2067         PR middle-end/35043
2068         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2069         to TYPE_DOMAINs base type instead of using bitsizetype here.
2070
2071 2008-02-03  Jason Merrill  <jason@redhat.com>
2072
2073         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2074
2075 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2076
2077         PR other/29972
2078         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2079         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2080         (RS/6000 and PowerPC Options): Fix typos and markup.
2081         * doc/passes.texi (Tree-SSA passes): Likewise.
2082
2083 2008-02-02  Michael Matz  <matz@suse.de>
2084
2085         PR target/35045
2086         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2087         from record_last_reg_set_info.
2088         (record_last_reg_set_info): Take an RTX argument, iterate over all
2089         constituent hardregs.
2090         (record_last_set_info, record_opr_changes): Change calls to
2091         new signature or to record_last_reg_set_info_regno.
2092
2093 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2094
2095         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2096
2097 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2098
2099         PR rtl-optimization/34773
2100         * reg-notes.def (EQUAL): Mention significance of combination of
2101         REG_EQUAL and REG_RETVAL.
2102         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2103         insn that has a REG_RETVAL.
2104
2105 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2106
2107         PR bootstrap/33781
2108         * configure.ac (--enable-fixed-point): Disable unless explicitly
2109         requested on IRIX.
2110         * configure: Regenerate.
2111
2112 2008-02-01  Richard Guenther  <rguenther@suse.de>
2113
2114         PR other/35042
2115         * invoke.texi (-finline-limit): Remove no longer true parts
2116         of the documentation.  Note that there is no default value.
2117
2118 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2119             Mark Mitchell  <mark@codesourcery.com>
2120             Ben Elliston  <bje@au.ibm.com>
2121
2122         PR c/29326
2123         * doc/extend.texi (Other Builtins): Document.
2124
2125 2008-01-31  Tom Browder <tom.browder@gmail.com>
2126
2127         * doc/c-tree.texi (Types): Fix grammar.
2128         (Expression trees): Ditto.
2129         * doc/passes.texi (Tree-SSA passes): Ditto.
2130
2131         * doc/configterms.texi (Configure Terms): Fix typo.
2132         * doc/cpp.texi (Common Predefined Macros): Ditto.
2133         * doc/md.texi (Machine Constraints): Ditto.
2134
2135         * doc/makefile.texi (Makefile): Add comma.
2136
2137 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2138             Gerald Pfeifer  <gerald@pfeifer.com>
2139
2140         * doc/sourcebuild.texi (Front End): Remove references to CVS
2141         and CVSROOT/modules.
2142         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2143         (Back End): Remove reference to CVS.
2144
2145 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2146
2147         PR target/34900
2148         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2149         comment from...
2150         (mips16_gp_pseudo_reg): ...here.
2151         * config/mips/mips.md (load_const_gp): Replace with...
2152         (load_const_gp_<mode>): ...this :P-based insn.
2153
2154 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2155
2156         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2157         options. Minor fixes.
2158         (-std): Move reference to standards closer to where language
2159         standards are first mentioned.
2160
2161 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2162
2163         PR rtl-optimization/34995
2164         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2165         parameter and return a bool.  If the rtx parameter is nonnull,
2166         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2167         (find_reloads): Update call accordingly.  Pass the new operand
2168         if it needed no address reloads, otherwise pass null.
2169
2170 2008-01-30  Richard Henderson  <rth@redhat.com>
2171
2172         PR c/34993
2173         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2174         for unbounded arrays.
2175
2176 2008-01-30  Silvius Rus  <rus@google.com>
2177
2178         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2179
2180 2008-01-30  Jan Hubicka  <jh@suse.cz>
2181
2182         PR target/34982
2183         * i386.c (init_cumulative_args): Use real function declaration when
2184         calling locally.
2185
2186 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2187
2188         PR rtl-optimization/34998
2189         * global.c (build_insn_chain): Treat non-subreg_lowpart
2190         SUBREGs of pseudos as clobbering all the words covered by the
2191         SUBREG, not just all the bytes.
2192         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2193         original df_ref rather than an extract parameter.
2194         (global_conflicts): Update call accordingly.
2195
2196 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2197
2198         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2199         the overflow check to make it easier to read.
2200         (__fixtfdi): Change the type of the ll member in union
2201         long_double to UDItype_x.
2202
2203 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2204
2205         PR middle-end/34969
2206         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2207         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2208         * tree-inline.c (fold_marked_statements): Call
2209         cgraph_update_edges_for_call_stmt if folding a call statement.
2210         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2211         debug_generic_stmt calls, reset it back afterwards.
2212
2213         PR c/35017
2214         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2215         static decls.
2216         * c-typeck.c (build_external_ref): Don't pedwarn about
2217         static vars in current function's scope.
2218
2219 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2220
2221         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2222
2223 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2224
2225         PR c/35002
2226         * ipa-struct-reorg.c: Fix spelling.
2227         * params.def: Ditto.
2228
2229 2008-01-29  Richard Guenther  <rguenther@suse.de>
2230
2231         PR middle-end/35006
2232         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2233         field.
2234         * tree-inline.c (remap_type): Increment remapping_type_depth
2235         around remapping types.
2236         (copy_body_r): Only add referenced variables if they are referenced
2237         from code, not types.
2238
2239 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2240
2241         PR c++/34055
2242         PR c++/34103
2243         PR c++/34219
2244         PR c++/34606
2245         PR c++/34753
2246         PR c++/34754
2247         PR c++/34755
2248         PR c++/34919
2249         PR c++/34961
2250         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2251         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2252
2253 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2254
2255         PR target/34412
2256         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2257         pointer for tiny stack.
2258
2259 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2260
2261         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2262
2263 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2264
2265         * config/vx-common.h: Fix typo in comment.
2266
2267 2008-01-28  Ian Lance Taylor  <iant@google.com>
2268
2269         PR c++/34862
2270         PR c++/33407
2271         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2272         coalesce pointers if they have different DECL_NO_TBAA_P values.
2273         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2274         between variables with different DECL_NO_TBAA_P values.
2275
2276 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2277
2278         PR 31535
2279         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2280         are not legitimate small data references on SPE targets.
2281
2282 2008-01-28  David Daney  <ddaney@avtrex.com>
2283
2284         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2285
2286 2008-01-28  David Daney  <ddaney@avtrex.com>
2287
2288         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2289
2290 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2291
2292         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2293         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2294         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2295         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2296         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2297         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2298         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2299         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2300
2301 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2302
2303         * basic-block.h (condjump_equiv_p): Fix comment.
2304
2305 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2306
2307         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2308         print_generic_stmt_indented): Fix comment.
2309
2310 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2311
2312         * configure.ac (__stack_chk_fail): Add detecion for availability
2313         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2314         * configure: Regenerate.
2315
2316 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2317
2318         PR middle-end/34688
2319         * final.c (output_addr_const): Handle TRUNCATE.
2320
2321 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2322
2323         PR target/34711
2324         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2325         (zero_cost, infinite_cost): New constants.
2326         (struct cost_pair): Change type of cost to comp_cost.
2327         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2328         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2329         New functions.
2330         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2331         split_address_cost, ptr_difference_cost, difference_cost,
2332         get_computation_cost_at, get_computation_cost,
2333         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2334         determine_use_iv_cost_condition, determine_use_iv_costs,
2335         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2336         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2337         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2338         Change type of cost to comp_cost.
2339         (determine_iv_cost): Increase cost of non-original ivs, instead
2340         of decreasing the cost of original ones.
2341         (get_address_cost): Indicate the complexity of the addressing mode
2342         in comp_cost.
2343         (try_add_cand_for): Prefer using ivs not specific to some object.
2344         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2345
2346 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2347             Janis Johnson  <janis187@us.ibm.com>
2348
2349         PR target/34814
2350         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2351         (TARGET_INSTANTIATE_DECLS): Likewise.
2352         * target.h (expand_to_rtl_hook): New target hook.
2353         (instantiate_decls): Likewise.
2354         * function.c (instantiate_decl): Make non-static.  Rename to...
2355         (instantiate_decl_rtl): ... this.
2356         (instantiate_expr): Use instantiate_decl_rtl.
2357         (instantiate_decls_1): Likewise.
2358         (instantiate_decls): Likewise.
2359         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2360         * function.h (instantiate_decl_rtl): Add prototype.
2361         * cfgexpand.c (target.h): New include.
2362         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2363         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2364         (TARGET_INSTANTIATE_DECLS): Likewise.
2365         (TARGET_INITIALIZER): New target hooks added.
2366         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2367         New prototype.
2368         * config/rs6000/rs6000.c (tree-flow.h): New include.
2369         (machine_function): Add sdmode_stack_slot field.
2370         (rs6000_alloc_sdmode_stack_slot): New function.
2371         (rs6000_instantiate_decls): Likewise.
2372         (rs6000_secondary_memory_needed_rtx): Likewise.
2373         (rs6000_check_sdmode): Likewise.
2374         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2375         (TARGET_INSTANTIATE_DECLS): Likewise.
2376         (rs6000_hard_regno_mode_ok): Allow SDmode.
2377         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2378         (rs6000_emit_move): Handle SDmode.
2379         (function_arg_advance): Likewise.
2380         (function_arg): Likewise.
2381         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2382         SDmode var args for 32-bit compiles.
2383         (rs6000_secondary_reload_class): Handle SDmode.
2384         (rs6000_output_function_epilogue): Likewise.
2385         (rs6000_function_value): Simplify if statement.
2386         (rs6000_libcall_value): Likewise.
2387         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2388         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2389         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2390         (movsd_hardfloat): New define_insn.
2391         (movsd_softfloat): Likewise.
2392         (movsd_store): Likewise.
2393         (movsd_load): Likewise.
2394         (extendsddd2): Likewise.
2395         (extendsdtd2): Likewise.
2396         (truncddsd2): Likewise.
2397         (movdd_hardfloat64): Fixup comment.
2398         (UNSPEC_MOVSD_LOAD): New constant.
2399         (UNSPEC_MOVSD_STORE): Likewise.
2400
2401 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2402
2403         PR c++/34965
2404         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2405         TRUTH_XOR_EXPR.
2406         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2407         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2408         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2409         and TRUTH_XOR_EXPR.
2410
2411 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2412
2413         PR target/34794
2414         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2415         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2416         __LONGDOUBLE128 too.
2417         * config/rs6000/aix61.h: New file.
2418
2419 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2420
2421         PR rtl-optimization/34959
2422         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2423         popcount and parity rtxes the same mode as their operand.
2424         Truncate or extend the result to the return value's mode
2425         if necessary.
2426
2427 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2428
2429         PR target/34981
2430         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2431         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2432         to GOT_VERSION_REGNUM.
2433         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2434         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2435         * config/mips/mips.c (mips_emit_call_insn): New function.
2436         (mips_call_tls_get_addr): Call mips_expand_call directly.
2437         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2438         emit_call_insn.
2439         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2440         (mips_expand_call): Update the call to mips16_build_call_stub
2441         accordingly and a remove redundant condition.  Assert that MIPS16
2442         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2443         the call insn.
2444         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2445         TARGET_USE_GOT.
2446         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2447         (mips_avoid_hazard): Remove hazard_set handling.
2448         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2449         (UNSPEC_RESTORE_GP): ...this.
2450         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2451         (FAKE_CALL_REGNO): Rename to...
2452         (GOT_VERSION_REGNUM): ...this.
2453         (type): Add "ghost" value.  Add an associated insn reservation.
2454         (hazard_set): Remove.
2455         (exception_receiver): Rename to...
2456         (restore_gp): ...this and update the unspec identifier accordingly.
2457         (exception_receiver, nonlocal_got_receiver): New expanders.
2458         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2459         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2460         (set_got_version, update_got_version): New patterns.
2461
2462 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2463
2464         PR target/34970
2465         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2466
2467 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2468
2469         PR other/31955
2470         * doc/install.texi2html: Generate gcc-vers.texi.
2471
2472 2008-01-25  DJ Delorie  <dj@redhat.com>
2473
2474         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2475
2476 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2477
2478         * config/c4x: Remove directory.
2479         * config.gcc (crx-*, mt-*): Mark obsolete.
2480         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2481         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2482         sh-*-rtemscoff*): Remove cases.
2483         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2484         * real.c (encode_c4x_single, decode_c4x_single,
2485         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2486         c4x_extended_format): Remove.
2487         * real.h (c4x_single_format, c4x_extended_format): Remove.
2488         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2489         on C4x.
2490         (Pragmas): Remove comment about c4x pragmas.
2491         * doc/install.texi (c4x): Remove target-specific instructions.
2492         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2493         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2494         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2495         refer to C4x source files as examples.
2496         (C4X_FLOAT_FORMAT): Remove documentation.
2497
2498 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2499
2500         * config/bfin/bfin.c (override_options): Reorder tests so that
2501         flag_pic gets enabled for -msep-data.
2502
2503 2008-01-25  Richard Guenther  <rguenther@suse.de>
2504
2505         PR middle-end/32244
2506         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2507         to its bitfield precision if required.
2508
2509 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2510
2511         PR middle-end/33880
2512         * tree-nested.c (walk_omp_for): New function.
2513         (convert_nonlocal_reference, convert_local_reference): Call
2514         walk_omp_for on OMP_FOR.
2515         (convert_call_expr): Call walk_body on OMP_FOR's
2516         OMP_FOR_PRE_INIT_BODY.
2517
2518 2008-01-25  Richard Guenther  <rguenther@suse.de>
2519
2520         PR tree-optimization/34966
2521         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2522         default defs and PHI_NODEs we have to insert after the
2523         defining statement.
2524
2525 2008-01-24  Nick Clifton  <nickc@redhat.com>
2526
2527         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2528         Provide a default definition.
2529         (LIBGCC2_UNITS_PER_WORD): Likewise.
2530
2531         * config/stormy16/stormy16.c: Include df.h for the prototype
2532         for df_regs_ever_live_p.
2533         (xstormy16_expand_builtin_va_start): Convert the stack offset
2534         into a component_ref and then use POINTER_PLUS_EXPR to add it
2535         to the incoming_virtual_args_rtx.
2536         (xstormy16_gimplify_va_arg_expr): Rename to
2537         xstormy16_gimplify_va_arg_expr.
2538         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2539         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2540         xstormy16_gimplify_va_arg_expr.
2541         Fix up some formatting issues.
2542
2543         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2544         Move to predicates.md.
2545         (xs_hi_general_operand): Likewise.
2546         (xs_hi_nonmemory_operand): Likewise.
2547         * config/stormy16/predicates.md:
2548         (xstormy16_carry_plus_operand): New predicate.
2549         (xs_hi_general_operand): New predicate.
2550         (xs_hi_nonmemory_operand): New predicate.
2551         * config/stormy16/stormy16-protos.h:
2552         (xstormy16_carry_plus_operand): Delete prototype.
2553         (xs_hi_general_operand): Likewise.
2554         (xs_hi_nonmemory_operand): Likewise.
2555
2556         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2557         modifiers as they are no longer needed and they can trigger
2558         reload spill failures.
2559
2560         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2561         with a match_operand in order to help reload.
2562
2563         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2564         constraint with 'e' for the 8th alternative as this version of
2565         the mov.w instruction only accepts the lower 8 registers.
2566
2567 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2568
2569         PR target/34856
2570         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2571         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2572         vector elements.
2573
2574 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR middle-end/33333
2577         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2578
2579 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2580
2581         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2582         New functions.
2583         (remove_structure): Update allocations list before removing structure.
2584
2585 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2586
2587         * ipa-struct-reorg.c (is_safe_cond_expr,
2588         create_new_stmts_for_cond_expr): Use integer_zerop function,
2589         that recognize not only zero-pointer, but zero-integer too.
2590
2591 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2592
2593         PR other/22232
2594         * fixproto: Escape "." in sed expression that strips leading "./".
2595
2596 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2597
2598         PR driver/34904
2599         * gcc.c (SWITCH_OK): Removed.
2600         (SWITCH_LIVE): Changed to bit.
2601         (SWITCH_FALSE): Likewise.
2602         (SWITCH_IGNORE): Likewise.
2603         (switchstr): Change live_cond to unsigned int.
2604         (process_command): Replace SWITCH_OK with 0.
2605         (do_self_spec): Likewise.
2606         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2607         (give_switch): Likewise.
2608         (used_arg): Likewise.
2609         (do_spec_1): Set the SWITCH_IGNORE bit.
2610         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2611         bits.  Set the SWITCH_LIVE bit.
2612
2613 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2614
2615         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2616
2617 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2618
2619         PR tree-optimization/34472
2620         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2621         parameter to a "bool *" and set *DATA to false if there is
2622         an unsafe access.  Do not delete the structure here.
2623         (check_cond_exprs): Delete it here instead.
2624         (check_cond_exprs, exclude_cold_structs): Do not increase
2625         I when removing a structure.
2626
2627 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         PR target/34856
2630         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2631         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2632
2633 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2634
2635         PR middle-end/34934
2636         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2637         a fixed vector for stack.
2638
2639 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2640
2641         PR c++/25701
2642         * doc/gcc.texi (Software development): Add a direntry for g++.
2643
2644 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2645
2646         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2647         stale and straggling -fforce-addr comments above.
2648
2649         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2650         define.
2651         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2652         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2653
2654 2008-01-23  Michael Matz  <matz@suse.de>
2655
2656         PR debug/34895
2657         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2658         gen_type_die.
2659
2660 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2661
2662         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2663         malloc result type.
2664
2665 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2666
2667         * config/avr/avr.c (avr_current_arch): New variable.
2668         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2669         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2670         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2671         (avr_override_options): Init 'avr_current_arch'.
2672         (base_arch_s): Move from here...
2673         * config/avr/avr.h (base_arch_s): ... here. Add new members
2674         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2675         'mega' to 'have_jmp_call'.
2676         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2677         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2678         macros.
2679         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2680         architectures.
2681         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2682         MULTILIB_MATCHES): (Ditto.).
2683
2684 2008-01-23  Richard Guenther  <rguenther@suse.de>
2685
2686         PR middle-end/31529
2687         * cgraphunit.c (cgraph_reset_node): Always mark the node
2688         not reachable if it is not queued already.
2689
2690 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2691
2692         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2693         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2694         (cputype_selected): New static variable.
2695         (bfin_handle_option): Set it if -mcpu is used.
2696         (override_option): Select default set of workarounds if no cpu type
2697         selected on the command line.
2698         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2699
2700         From  Michael Frysinger  <michael.frysinger@analog.com>
2701         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2702         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2703
2704         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2705         for bf547, bf523, bf524, and bf526.
2706         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2707         bf526.
2708         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2709         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2710         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2711         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2712         * doc/invoke.texi (Blackfin Options): Document that
2713         -mcpu now accept bf547, bf523, bf524, and bf526.
2714
2715 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2716
2717         PR rtl-optimization/34628
2718         * combine.c (try_combine): Stop and undo after the first combination
2719         if an autoincrement side-effect on the first insn has effectively
2720         been lost.
2721
2722 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2723
2724         PR target/34529
2725         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2726         Offset addresses are not valid for Altivec or paired float modes.
2727
2728 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2729
2730         PR c++/34607
2731         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2732         if DECL_INITIAL (decl) is error_mark_node.
2733
2734         PR c++/34914
2735         * c-common.c (handle_vector_size_attribute): Only allow
2736         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2737         the same way as pointer, array etc. types.
2738         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2739
2740         PR c++/34917
2741         * tree.c (build_type_attribute_qual_variant): Call
2742         build_qualified_type if attributes are equal, but quals are not.
2743
2744 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2745
2746         PR 32102
2747         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2748         * flags.h (warn_strict_aliasing): Remove.
2749         (warn_strict_overflow): Remove.
2750         * opts.c (warn_strict_aliasing): Remove.
2751         (warn_strict_overflow): Remove.
2752         * c-opts.c (c_common_handle_option): -Wall only sets
2753         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2754         (c_common_post_options): Give default values to -Wstrict-aliasing
2755         and -Wstrict-overflow if they are uninitialized.
2756         * common.opt (Wstrict-aliasing): Specify Var and Init.
2757         (Wstrict-overflow): Likewise.
2758
2759 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2760
2761         PR rtl-optimization/26854
2762         PR rtl-optimization/34400
2763         PR rtl-optimization/34884
2764         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2765         DF_RD->gen.
2766         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2767         (df_rd_bb_info.expanded_lr_out): Deleted
2768         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2769         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2770         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2771         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2772         Removed code to allocate, initialize or free expanded_lr_out.
2773         (df_rd_bb_local_compute_process_def): Restructured to make more
2774         understandable.
2775         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2776         sets if the sets are being trimmed.
2777
2778 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2779
2780         PR bootstrap/32287
2781         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2782         (as_vers): Likewise.
2783         * configure: Regenerated.
2784
2785 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2786
2787         PR middle-end/33092
2788         * tree-pass.h (pass_build_alias): New pass.
2789         * tree-ssa-alias.c (gate_build_alias): New.
2790         (pass_build_alias): New.
2791         * passes.c (init_optimization_passes): Add pass_build_alias after
2792         pass_create_structure_vars.
2793
2794 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2795
2796         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2797         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2798         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2799         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2800         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2801         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2802         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2803         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2804         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2805         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2806         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2807         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2808         * config/s390/s390.md (FP_ALL): New mode iterator.
2809         (_d): New mode attribute.
2810         ("*signbit<mode>2>"): Changed mode of first operand.
2811         ("isinf<mode>2"): Changed mode of first operand.
2812         ("*TDC_insn"): Adaptation for DFP modes.
2813
2814 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2815
2816         * tree.c (check_qualified_type): Improve function description.
2817
2818 2008-01-21  Jason Merrill  <jason@redhat.com>
2819
2820         PR c++/34196
2821         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2822         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2823         if it is set.
2824
2825 2008-01-21  DJ Delorie  <dj@redhat.com>
2826
2827         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2828         return zero.
2829
2830 2008-01-21  Richard Guenther  <rguenther@suse.de>
2831
2832         PR middle-end/34856
2833         * tree-cfg.c (verify_expr): Allow all invariant expressions
2834         instead of just constant class ones as reference argument.
2835         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2836         like any other constant.
2837         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2838
2839 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2840
2841         * regmove.c (fixup_match_1): Update call crossed frequencies.
2842
2843 2008-01-21  Richard Guenther  <rguenther@suse.de>
2844
2845         PR c/34885
2846         * tree-inline.c (setup_one_parameter): Deal with mismatched
2847         types using a VIEW_CONVERT_EXPR.
2848
2849 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2850             Olga Golovanevsky  <olga@il.ibm.com>
2851
2852         PR tree-optimization/34701
2853         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2854         when the structure size is not a power of 2.
2855
2856 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2857
2858         * doc/install.texi: Add doc for --enable-checking=df.
2859
2860 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2861
2862         PR rtl-optimization/34808
2863         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2864
2865 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2866
2867         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2868         input.
2869
2870 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2871
2872         PR rtl-optimization/26854
2873         PR rtl-optimization/34400
2874         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2875         DF_RD->gen.
2876         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2877         (df_rd_bb_info.expanded_lr_out): New.
2878         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2879         * loop_iv.c (iv_analysis_loop_init): Ditto.
2880         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2881         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2882         Added code to allocate, initialize or free expanded_lr_out.
2883         (df_rd_bb_local_compute_process_def): Restructured to make
2884         more understandable.
2885         (df_rd_confluence_n): Add code to do nothing with fake edges and
2886         code to no apply invalidate_by_call sets if the sets are being trimmed.
2887         (df_lr_local_finalize): Renamed to df_lr_finalize.
2888         (df_live_local_finalize): Renamed to df_live_finalize.
2889
2890 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2891
2892         PR target/34831
2893         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2894         deciding whether to use reciprocal instructions.
2895
2896 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2897
2898         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2899         dwarf2out_note_section_used if cold_text_section is NULL.
2900
2901 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2902
2903         PR gcov-profile/34610
2904         * tree-cfg.c (make_edges): Mark both outgoing edges from
2905         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2906         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2907         from OMP_FOR and OMP_CONTINUE outgoing edges.
2908
2909         * tree-profile.c (tree_profiling): Return early if
2910         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2911         at the end.
2912         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2913         from cfun to child_cfun.
2914         * function.h (struct function): Add after_tree_profile bit.
2915
2916 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2917
2918         * config/avr/avr.S (_exit): Disable interrupt.
2919
2920 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2921             Steven Bosscher  <stevenb.gcc@gmail.com>
2922
2923         PR rtl-optimization/26854
2924         PR rtl-optimization/34400
2925         * df-problems.c (df_live_scratch): New scratch bitmap.
2926         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2927         (df_live_reset): Clear the proper bitmaps.
2928         (df_live_bb_local_compute): Only process the artificial defs once
2929         since the order is not important.
2930         (df_live_init): Init the df_live sets only with the variables
2931         found live by df_lr.
2932         (df_live_transfer_function): Use the df_lr sets to prune the
2933         df_live sets as they are being computed.
2934         (df_live_free): Free df_live_scratch.
2935
2936 2008-01-18  Ian Lance Taylor  <iant@google.com>
2937
2938         * common.opt: Add fmerge-debug-strings.
2939         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2940         flag_merge_debug_strings rather than flag_merge_constants.
2941         * doc/invoke.texi (Option Summary): Mention
2942         -fmerge-debug-strings.
2943         (Debugging Options): Document -fmerge-debug-strings.
2944
2945 2008-01-18  Ian Lance Taylor  <iant@google.com>
2946
2947         PR c++/33407
2948         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2949         (struct tree_function_decl): Add new field operator_new_flag.
2950         * tree-inline.c (expand_call_inline): When inlining a call to
2951         operator new, force the return value to go into a variable, and
2952         set DECL_NO_TBAA_P on that variable.
2953         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2954
2955 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2956
2957         PR debug/34484
2958         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2959         DWARF2_DEBUGGING_INFO.
2960         (dwarf2out_note_section_used): Ditto.  Add prototype.
2961         (have_multiple_function_sections, text_section_used,
2962         cold_text_section_used, *cold_text_sections): Move declarations
2963         before their uses.
2964
2965 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2966
2967         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2968         field and add signal_ra.
2969         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2970         assignments to frame state pc.  Move end of stack check after
2971         MD_FALLBACK_FRAME_STATE_FOR.
2972         (uw_update_context_1): Use frame state signal_regs if set, instead
2973         of checking signal_frame flag.
2974         (uw_update_context): Use frame state signal_ra if set.
2975         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2976         * config/xtensa/linux-unwind.h: New file.
2977
2978 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2979
2980         * modulo-sched.c (get_sched_window): Fix comment typo.
2981
2982 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2983
2984         PR tree-optimization/34648
2985         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2986
2987 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2988
2989         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2990         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2991
2992 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2993
2994         PR rtl-optimization/34400
2995         * df-core.c (df_worklist_dataflow_overeager,
2996         df_worklist_dataflow_doublequeue): New functions.
2997         (df_worklist_dataflow): Two different worklist solvers.
2998         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2999         New param.
3000
3001 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         PR testsuite/34821
3004         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3005         and ftree-parallelize-loops.
3006
3007 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3008
3009         PR rtl-optimization/34826
3010         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3011
3012 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3013
3014         * global.c (find_reg): Mark the eh regs as used if necessary.
3015         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3016         * ra.h (struct allocno): no_eh_reg field added.  Changed
3017         no_stack_reg type to bitfield.
3018
3019 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3020
3021         * tree.c (substitute_in_expr): Add missing 'break'.
3022
3023 2008-01-17  Richard Guenther  <rguenther@suse.de>
3024
3025         PR tree-optimization/34825
3026         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3027         x / x as division to handle.
3028
3029 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3030
3031         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3032         "-pthread" is specified.
3033         * pa-hpux11.h (LIB_SPEC): Likewise.
3034
3035 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3036             Peter Bergner  <bergner@vnet.ibm.com>
3037
3038         PR rtl-optimization/33796
3039         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3040
3041 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3042
3043         PR libgfortran/34699
3044         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3045         static links.
3046         * pa-hpux10.h (LINK_SPEC): Likewise.
3047         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3048
3049 2008-01-16  Richard Guenther  <rguenther@suse.de>
3050
3051         PR middle-end/32628
3052         * fold-const.c (fold_convert_const_int_from_int): Do not
3053         set overflow if that occured only because of a sign extension
3054         change when converting from/to a sizetype with the same
3055         precision and signedness.
3056
3057 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3058
3059         PR debug/34249
3060         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3061         location address to the correct place.  Update copyright year.
3062
3063 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3064
3065         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3066         no dependences in the dependence_relations vector.
3067
3068 2008-01-16  Jan Hubicka  <jh@suse.cz>
3069
3070         PR rtl-optimization/31396
3071         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3072         * cfg.c (dump_reg_info): Print it.
3073         * regs.h (struct reg_info_t): add freq_calls_crossed.
3074         (REG_FREQ_CALLS_CROSSED): New macro.
3075         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3076         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3077         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3078         regmove_optimize): Update call crossed frequencies.
3079         * local-alloc.c (struct qty): Add freq_calls_crossed.
3080         (alloc_qty): Copute freq_calls_crossed.
3081         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3082         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3083         * ra.h (struct allocno): Add freq_calls_crossed.
3084
3085 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3088         libgomp when compiling with ftree-parallelize-loops.
3089         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3090
3091 2008-01-16  Richard Guenther  <rguenther@suse.de>
3092
3093         PR tree-optimization/34769
3094         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3095         * tree.c (int_cst_value): Instead make this function more
3096         permissive in what it accepts as valid input.  Document this
3097         function always sign-extends the value.
3098
3099 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3100             Richard Guenther  <rguenther@suse.de>
3101
3102         PR c/34668
3103         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3104         (gimple_fold_indirect_ref_rhs): ... this.
3105         (gimple_fold_indirect_ref): New function with foldings
3106         that preserve lvalueness.
3107         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3108         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3109         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3110         to fold an INDIRECT_REF, fall back to the old use of
3111         fold_indirect_ref_1.
3112
3113 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3114
3115         * tree-data-ref.c (subscript_dependence_tester_1): Call
3116         free_conflict_function.
3117         (compute_self_dependence): Same.
3118
3119 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         PR debug/34249
3122         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3123         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3124         function global.
3125         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3126         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3127         for DWARF2_UNWIND_INFO targets.
3128
3129 2008-01-16  Richard Guenther  <rguenther@suse.de>
3130
3131         PR c/34768
3132         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3133         type qualifiers for function types.
3134
3135 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3136
3137         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3138         loop_iterator li from previous commit.
3139
3140 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3143
3144 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3147         (parallelize_loops): Don't parallelize irreducible components.
3148
3149 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3150
3151         PR c++/24924
3152         * c-opts (c_common_post_options): Do not enable CPP
3153         flag_pedantic_errors by default.
3154
3155 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3156
3157         PR rtl-optimization/31944
3158         * cse.c (remove_pseudo_from_table): New function.
3159         (merge_equiv_classes): Use above function to remove pseudo-registers.
3160         (invalidate): Likewise.
3161
3162 2008-01-13  Richard Guenther  <rguenther@suse.de>
3163
3164         PR middle-end/34601
3165         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3166         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3167
3168 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3169
3170         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3171         validate_change to unshare the source of the PC set.
3172
3173 2008-01-12  Jan Hubicka  <jh@suse.cz>
3174
3175         PR middle-end/32135
3176         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3177         references above array bounds.  This might trigger bounds checks for
3178         pointers to arrays.
3179
3180 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3181
3182         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3183         new_replaceable_dependencies.
3184
3185 2008-01-12  Doug Kwan  <dougkwan@google.com>
3186
3187         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3188         instead of OPT_Wreturn_type in warning due to ignored return type
3189         qualifiers.
3190         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3191         options included in -Wextra.
3192         * c.opt: New option -Wignored_qualifiers.
3193         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3194         -Wignore_qualifiers.
3195         (-Wignored-qualifiers): Document.
3196         (-Wreturn-type): Remove description of functionality now handled
3197         by -Wignored-qualifiers.
3198
3199 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3200
3201         PR ada/33788
3202         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3203         NOP_EXPR if it is between integral types with the same precision.
3204
3205 2008-01-12  Jan Hubicka  <jh@suse.cz>
3206
3207         PR other/28023
3208         * invoke.texi (max-inline-recursive-depth): Fix default value.
3209
3210 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3211
3212         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3213         correct type.
3214
3215 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3216
3217         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3218
3219 2008-01-11  James E. Wilson  <wilson@specifix.com>
3220
3221         PR target/26015
3222         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3223
3224 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3225
3226         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3227         save/restore frame pointer register and don't use 'call-prologues'
3228         optimization in function with "OS_task" attribute.
3229
3230 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3231
3232         PR middle-end/31309
3233         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3234         when copying to memory.
3235
3236 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3237
3238         PR rtl-optimization/30905
3239         * cfgcleanup.c: Include dce.h
3240         (crossjumps_occured): New global variable.
3241         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3242         If something changed, set crossjumps_occured to true.
3243         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3244         Don't add/remove fake edges to exit here...
3245         (cleanup_cfg): ...but do it here, when crossjumping.
3246         Run a fast DCE when successful crossjumps occured in the latest
3247         iteration of try_optimize_cfg.
3248
3249 2008-01-11  Richard Guenther  <rguenther@suse.de>
3250
3251         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3252         (struct vn_unary_op_s): Likewise.
3253         (vn_reference_insert): Free old reference on hash collision.
3254
3255 2008-01-10  Raksit Ashok  <raksit@google.com>
3256
3257         PR rtl-optimization/27971
3258         * combine.c (find_split_point): Split PLUS expressions which are
3259         inside a MEM rtx, and whose first operand is complex.
3260
3261 2008-01-10  DJ Delorie  <dj@redhat.com>
3262
3263         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3264         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3265         (m32c_hard_regno_ok): Call the underlying function.
3266
3267 2008-01-10  Richard Guenther  <rguenther@suse.de>
3268
3269         PR middle-end/34683
3270         * tree-cfg.c (tree_merge_blocks): Do not go through the
3271         full-blown folding and stmt updating path if we just deal
3272         with virtual operands.
3273         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3274         test for abnormal SSA_NAMEs.
3275
3276 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3277
3278         PR middle-end/34641
3279         * reload.c (push_reload): Add assertions.  All constants from
3280         reg_equiv_constant should have been used for replacing the respective
3281         pseudo earlier.
3282         (find_reloads_address): Invoke find_reloads_address_part for
3283         constant taken from the reg_equiv_constant array.
3284
3285 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3286
3287         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3288         field (valnum) the first in the struct.  Replace bools with
3289         unit bit fields.
3290
3291 2008-01-10  Richard Guenther  <rguenther@suse.de>
3292
3293         PR tree-optimization/34651
3294         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3295         types and ordering for masking and converting.
3296
3297 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         PR tree-optimization/34017
3300         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3301         also for PHI_NODE expressions.
3302
3303 2008-01-09  Jan Hubicka  <jh@suse.cz>
3304
3305         PR tree-optimization/34708
3306         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3307         based on number of case labels.
3308         (init_inline_once): Remove switch_cost.
3309         * tree-inline.h (eni_weights_d): Remove switch_cost.
3310
3311 2008-01-09  Richard Guenther  <rguenther@suse.de>
3312         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3313
3314         PR middle-end/30132
3315         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3316         temporary if an rvalue is ok or an lvalue is not required.
3317
3318 2008-01-09  Richard Guenther  <rguenther@suse.de>
3319
3320         PR middle-end/34458
3321         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3322         adjust return type.
3323
3324 2008-01-09  Richard Guenther  <rguenther@suse.de>
3325
3326         PR middle-end/34679
3327         * tree.c (host_integerp): Check for sizetype only if the
3328         type is an integer type.
3329
3330 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3331
3332         PR debug/26364
3333         * opts.c (decode_options): Disable inlining of functions called
3334         once if not in unit-at-a-time mode.
3335
3336 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3337
3338         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3339
3340 2008-01-08  Richard Guenther  <rguenther@suse.de>
3341
3342         PR middle-end/31863
3343         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3344         out early if the result will be unused.
3345
3346 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3347
3348         PR target/34709
3349         Revert:
3350
3351         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3352         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3353         for TARGET_RECIP.
3354
3355 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3356
3357         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3358         for vectorization tuned.
3359
3360 2008-01-08  Richard Guenther  <rguenther@suse.de>
3361
3362         PR tree-optimization/34683
3363         * tree-ssa-operands.c (operand_build_cmp): Export.
3364         * tree-ssa-operands.h (operand_build_cmp): Declare.
3365         * tree-vn.c (vuses_compare): Remove.
3366         (sort_vuses): Use operand_build_cmp.
3367         (sort_vuses_heap): Likewise.
3368         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3369         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3370         (vdefs_to_vec): Do not sort already sorted VDEFs.
3371
3372 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3373
3374         PR middle-end/34694
3375         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3376
3377 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3378
3379         PR target/34702
3380         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3381         limitations of reciprocal sequences on x86 targets.
3382
3383 2008-01-08  Richard Guenther  <rguenther@suse.de>
3384
3385         PR tree-optimization/34683
3386         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3387
3388 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR target/34622
3391         * config/darwin.c (darwin_mergeable_string_section): Don't use
3392         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3393
3394 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3395
3396         PR target/34682
3397         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3398         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3399         predicates of op0 and op1 to register_operand.
3400         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3401         expander using X87MODEF mode iterator.  Change predicates of
3402         op0 and op1 to register_operand.
3403         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3404         corresponding patterns and macroize using MODEF macro.  Change
3405         predicates of op0 and op1 to register_operand and remove
3406         "m" constraint. Disparage "r" alternative with "!".
3407         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3408         macroize using X87MODEF macro.  Change predicates of op0 and op1
3409         to register_operand and remove "m" constraint.  Disparage "r"
3410         alternative with "!".
3411         (absneg splitter with memory operands): Remove.
3412         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3413         patterns and macroize using X87MODEF mode iterator.
3414         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3415         Change predicate of op1 to register_operand.
3416         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3417         for memory operands.
3418
3419 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3420
3421         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3422
3423 2008-01-07  Richard Guenther  <rguenther@suse.de>
3424
3425         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3426         fields.
3427
3428 2008-01-07  Richard Guenther  <rguenther@suse.de>
3429
3430         PR tree-optimization/34683
3431         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3432         VOPs of the needed size to save memory.  Use VEC_quick_push
3433         to save compile-time.
3434         (vdefs_to_vec): Likewise.
3435
3436 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3437
3438         * config/spu/spu.md (divdf3): Genetate inline code for double
3439         division.  The implementation doesn't handle INF or NAN, therefore it
3440         only applies when -ffinite-math-only is given.
3441
3442 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3443
3444         PR libstdc++/34680
3445         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3446         * doc/cpp.texi ([Common Predefined Macros]): Document.
3447
3448 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3449
3450         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3451         order to use commutative addition instead of subtraction.
3452
3453 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3454             Mircea Namolaru  <namolaru@il.ibm.com>
3455             Vladimir Yanovsky  <yanov@il.ibm.com>
3456             Revital Eres  <eres@il.ibm.com>
3457
3458         PR tree-optimization/34263
3459         * tree-outof-ssa.c (process_single_block_loop_latch,
3460         contains_tree_r): New functions.
3461         (analyze_edges_for_bb): Call process_single_block_loop_latch
3462         function to empty single-basic-block latch block if possible.
3463
3464 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3465
3466         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3467         for TARGET_RECIP.
3468         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3469
3470 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3471
3472         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3473
3474 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3475
3476         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3477
3478 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3479
3480         PR tree-optimization/34618
3481         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3482         flag from T.
3483
3484 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3485
3486         PR target/34673
3487         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3488         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3489         Update copyright year.
3490
3491         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3492         Update copyright year.
3493         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3494         using NR fixup.
3495
3496 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3497
3498         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3499         edge does not point to current bb before changing need_assert.
3500
3501 2008-01-04  Richard Guenther  <rguenther@suse.de>
3502
3503         PR middle-end/34029
3504         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3505         for verifying purposes if they are is_gimple_min_invariant.
3506
3507 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3508
3509         PR tree-optimization/34448
3510         PR tree-optimization/34465
3511         * gimplify.c (gimplify_init_constructor): Add new parameter
3512         notify_temp_creation.  Use it.
3513         (gimplify_modify_expr_rhs): Take volatiles into account when
3514         optimizing constructors.
3515         Do not optimize constructors if gimplify_init_constructor will dump to
3516         memory.
3517         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3518         * gcc.c-torture/compile/pr34448.c: New.
3519
3520 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3521
3522         PR gcov-profile/34609
3523         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3524         return_slot if result is TREE_ADDRESSABLE.
3525
3526 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3527
3528         * config/mips/mips.md (sqrt_condition): Tweak comment.
3529         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3530
3531 2008-01-03  Tom Tromey  <tromey@redhat.com>
3532
3533         PR c/34457
3534         * c-common.c (c_type_hash): Handle VLAs.
3535
3536 2008-01-03  Jan Hubicka  <jh@suse.cz>
3537
3538         PR tree-optimization/31081
3539         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3540         0 when inlining and not inlining to first basic block.
3541         (remap_decl): When var is initialized to 0, don't set default_def.
3542         (expand_call_inline): Set entry_bb.
3543         * tree-inline.h (copy_body_data): Add entry_bb.
3544
3545 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3546
3547         PR c++/34619
3548         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3549         before returning.
3550
3551         PR tree-optimization/29484
3552         * tree-inline.c (inline_forbidden_p_2): New function.
3553         (inline_forbidden_p): Disallow inlining if some static var
3554         has an address of a local LABEL_DECL in its initializer.
3555         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3556         vs. inlining.
3557
3558 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         PR tree-optimization/34635
3561         * tree-data-ref.c (add_other_self_distances): Make sure that the
3562         evolution step is constant.
3563
3564 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3565
3566         PR middle-end/34608
3567         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3568
3569 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3570
3571         * tree-sra.c (scalarize_init): Insert the generate_element_init
3572         statements after the generate_element_zero statements.
3573
3574 2008-01-02  Richard Guenther  <rguenther@suse.de>
3575
3576         PR middle-end/34093
3577         PR middle-end/31976
3578         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3579         for very large number of operands instead of ICEing.
3580
3581 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3582
3583         PR target/34013
3584         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3585         while stack probing.
3586
3587 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3588
3589         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3590         in C++0x mode.
3591
3592 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3593
3594         PR libmudflap/26442
3595         * tree-mudflap.c (mx_register_decls): Guard warning by
3596         !DECL_ARTIFICIAL check.
3597
3598 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3599
3600         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3601         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3602         sse5_perm<mode>): Fix constraints.