gcc/ChangeLog

   1 2008-03-09  Ira Rosen  <irar@il.ibm.com>
   2
   3         * config/rs6000/rs6000.c (builtin_description): Rename vector
   4         left shift operations.
   5         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
   6         (altivec_vsl<VI_char>): Rename to ...
   7         (ashl<mode>3): ... new name.
   8         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
   9         gen_ashlv4si3.
  10         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
  11
  12 2008-03-08  Richard Guenther  <rguenther@suse.de>
  13
  14         * coverage.h (tree_coverage_counter_addr): Declare.
  15         * coverage.c (tree_coverage_counter_addr): New function.
  16         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
  17         before using again.
  18         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
  19         (tree_gen_one_value_profiler): Likewise.
  20         (tree_gen_ic_profiler): Likewise.
  21         (tree_gen_average_profiler): Likewise.
  22         (tree_gen_ior_profiler): Likewise.
  23
  24 2008-03-08  Richard Guenther  <rguenther@suse.de>
  25
  26         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
  27         (vn_binary_op_insert): Likewise.
  28         (vn_unary_op_lookup): Likewise.
  29         (vn_unary_op_insert): Likewise.
  30         (vn_nary_op_lookup): Declare.
  31         (vn_nary_op_insert): Likewise.
  32         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
  33         and binary hashes, use a single obstack for unary_op_pool
  34         and binary_op_pool.
  35         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
  36         a single struct vn_nary_op_s.  Store tree code length and
  37         a variable number of operands.
  38         (struct vn_reference_op_struct): Remove unused op2.
  39         (vn_reference_op_eq): Do not compare op2.
  40         (vn_reference_op_compute_hash): Do not compute hash of op2.
  41         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
  42         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
  43         with vn_nary_op_compute_hash.
  44         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
  45         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
  46         vn_nary_op_lookup.
  47         (vn_unary_op_insert, vn_binary_op_insert): Replace with
  48         vn_nary_op_insert.
  49         (visit_unary_op): Call nary functions.
  50         (visit_binary_op): Likewise.
  51         (process_scc): Adjust for struct vn_tables_s changes.
  52         (allocate_vn_table): Likewise.
  53         (free_vn_table): Likewise.
  54         * tree-vn.c (vn_add): Call nary functions.
  55         (vn_lookup): Likewise.
  56
  57 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
  58
  59         PR target/35498
  60         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
  61         wdst back after sync_compare_and_swapqhi_internal.
  62
  63 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
  64
  65         PR target/22152
  66         * config/i386/i386-modes.def (V1DI): New vector mode.
  67         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
  68         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
  69         (MMXMODE248): Ditto.
  70         (MMXMODE): Add V1DI mode.
  71         (mmxvecsize): Change DI mode to V1DI mode.
  72         ("mov<mode>): Use MMXMODEI8 mode iterator.
  73         ("*mov<mode>_internal_rex64"): Ditto.
  74         ("*mov<mode>_internal"): Ditto.
  75         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
  76         ("mmx_sub<mode>3"): Ditto.
  77         ("mmx_adddi3"): Remove insn pattern.
  78         ("mmx_subdi3"): Ditto.
  79         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
  80         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
  81         ("mmx_ashl<mode>3"): Ditto.
  82         ("mmx_lshrdi3"): Remove insn pattern.
  83         ("mmx_ashldi3"): Ditto.
  84         * config/i386/i386.c (classify_argument): Handle V1DImode.
  85         (function_arg_advance_32): Ditto.
  86         (function_arg_32): Ditto.
  87         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
  88         mmx_addv1di3 insn pattern.
  89         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
  90         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
  91         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
  92         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
  93         Remove definitions of built-in functions.
  94         (V1DI_type_node): New node.
  95         (v1di_ftype_v1di_int): Ditto.
  96         (v1di_ftype_v1di_v1di): Ditto.
  97         (v2si_ftype_v2si_si): Ditto.
  98         (v4hi_ftype_v4hi_di): Remove node.
  99         (v2si_ftype_v2si_di): Ditto.
 100         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 101         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 102         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 103         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 104         Add new builtins using def_builtin_const.
 105         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 106         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 107         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 108         * config/i386/mmintrin.h (__v1di): New typedef.
 109         (_mm_add_si64): Cast arguments to __v1di type.
 110         (_mm_sub_si64): Ditto.
 111         (_mm_sll_pi16): Cast __count to __v4hi type.
 112         (_mm_sll_pi32): Cast __count to __v2si type.
 113         (_mm_sll_si64): Cast arguments to __v1di type.
 114         (_mm_srl_pi16): Cast __count to __v4hi type.
 115         (_mm_srl_pi32): Cast __count to __v2si type.
 116         (_mm_srl_si64): Cast arguments to __v1di type.
 117         (_mm_sra_pi16): Cast __count to __v4hi type.
 118         (_mm_sra_pi32): Cast __count to __v2si type.
 119         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 120         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 121         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 122         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 123         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 124         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 125         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 126         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 127         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 128         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 129         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 130         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 131
 132 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 133
 134         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 135
 136 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 137
 138         PR target/35373
 139         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 140         reg+const addressing for Altivec modes.  Don't generate reg+reg
 141         addressing for TFmode or TDmode quantities.
 142
 143 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
 144
 145         * c-common.c (vector_types_convertible_p): Call langhook
 146         instead of comptypes.
 147
 148 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 149
 150         PR tree-opt/35402
 151         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
 152         integral and scalar float variables which have a
 153         NULL DECL_INITIAL.
 154
 155 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
 156
 157         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
 158         dwarf_register_span hook when emitting unwind information for
 159         register-to-memory saves.
 160         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
 161         (rs6000_frame_related): Remove call to spe_synthesize_frame.
 162
 163 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
 164
 165         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
 166         for the same VAR_DECL.
 167
 168 2008-03-06  Tom Tromey  <tromey@redhat.com>
 169
 170         * treelang: Delete.
 171         * doc/standards.texi (Standards): Don't mention treelang.
 172         * doc/invoke.texi (Overall Options): Don't mention treelang.
 173         * doc/install.texi (Prerequisites): Don't mention bison or
 174         treelang.
 175         (Configuration): Don't mention treelang.
 176         (Building): Likewise.
 177         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
 178
 179 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
 180
 181         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
 182         word-extractions out of a multi-word object.
 183
 184 2008-03-06  Richard Guenther  <rguenther@suse.de>
 185
 186         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
 187         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
 188         result type and precision.
 189         * expr.c (get_inner_reference): Set unsignedp based on the result
 190         type of BIT_FIELD_REF.
 191         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
 192         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
 193         (try_instantiate_multiple_fields): Likewise.  Use the correct type
 194         for BIT_FIELD_REF.
 195         (sra_build_assignment): Likewise.
 196         (sra_build_elt_assignment): Likewise.
 197         (sra_explode_bitfield_assignment): Likewise.
 198         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
 199         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
 200         set BIT_FIELD_REF_UNSIGNED.
 201         (vectorizable_load): Likewise.
 202
 203 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 204
 205         * cse.c (cse_extended_basic_block): Invalidate artificial defs
 206         at bb start.
 207
 208 2008-03-06  Richard Guenther  <rguenther@suse.de>
 209
 210         * alias.c (struct alias_set_entry): Move has_zero_child field
 211         to pack with alias_set.
 212
 213 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 214
 215         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 216         32bit host.
 217
 218 2008-03-05  Ian Lance Taylor  <iant@google.com>
 219
 220         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
 221
 222 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
 223
 224         * fwprop.c (update_df): Support width and offset parameters of
 225         df_ref_create.
 226         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
 227         global_conflicts): Change DF_REF_EXTRACT to either
 228         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 229         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 230         * df-scan.c (df_ref_record, df_defs_record,
 231         df_ref_create_structure, df_def_record_1, df_uses_record,
 232         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 233         df_bb_refs_collect, df_entry_block_defs_collect,
 234         df_exit_block_uses_collect): Support new width and offset fields.
 235         (ref_extract_pool): New storage pool.
 236         (df_free_ref): New function.
 237         (df_reg_chain_unlink, df_free_collection_rec,
 238         df_sort_and_compress_refs): Call df_free_ref.
 239         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 240         of df_ref_extract.
 241         (df_ref_create_structure): Allocate df_ref_extract if offset and
 242         width fields are used.
 243         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 244         (df_uses_record): Get offset and width from ZERO_EXTRACT
 245         and SIGN_EXTRACT.
 246         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 247         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 248         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 249         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 250         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 251         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 252         (df_ref_extract): New structure.
 253         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 254         (df_ref_create): Add width and offset parameters.
 255
 256 2008-03-05  Richard Guenther  <rguenther@suse.de>
 257
 258         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 259         Use ranges_overlap_p.
 260         (offset_overlaps_with_access): Rename
 261         to ranges_overlap_p and move ...
 262         * tree-flow-inline.h (ranges_overlap_p): ... here.
 263
 264         * tree.h (get_inner_reference, handled_component_p): Update
 265         comments.
 266
 267         * tree.h (record_component_aliases, get_alias_set,
 268         alias_sets_conflict_p, alias_sets_must_conflict_p,
 269         objects_must_conflict_p): Move declarations ...
 270         * alias.h (record_component_aliases, get_alias_set,
 271         alias_sets_conflict_p, alias_sets_must_conflict_p,
 272         objects_must_conflict_p): ... here.
 273         Include coretypes.h.
 274         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 275
 276 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 277
 278         * cfg.c: Include tree-flow.h.
 279         (remove_edge_raw): Call redirect_edge_var_map_clear.
 280         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 281         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 282         (redirect_edge_var_map_result): New.
 283         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 284         PENDING_STMT use with redirect_edge_var_map_*.
 285         * tree-ssa.c (edge_var_maps): New definition.
 286         (redirect_edge_var_map_add): New.
 287         (redirect_edge_var_map_clear): New.
 288         (redirect_edge_var_map_dup): New.
 289         (redirect_edge_var_map_vector): New.
 290         (redirect_edge_var_map_destroy): New.
 291         (ssa_redirect_edge): Replace PENDING_STMT use with
 292         redirect_edge_var_map_*.
 293         (flush_pending_stmts): Same.
 294         (delete_tree_ssa): Destroy edge var map.
 295         * tree-flow.h (struct _edge_var_map): New.
 296         Define edge_var_map vector type.
 297         Declare redirect_edge_var_map_* prototypes.
 298         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 299         * tree-cfg.c (reinstall_phi_args): Replace
 300         PENDING_STMT use with redirect_edge_var_map_*.
 301
 302 2008-03-05  Richard Guenther  <rguenther@suse.de>
 303
 304         PR tree-optimization/35472
 305         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 306         whose single use_stmt has a overlapping set of loaded and
 307         stored symbols as that use_stmt might be a noop assignment then.
 308
 309 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 310
 311         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 312
 313 2008-03-05  Richard Guenther  <rguenther@suse.de>
 314
 315         PR c++/35336
 316         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 317         should be constants.
 318         * tree-cfg.c (verify_expr): Verify it.
 319         * fold-const.c (fold_truthop): Remove code generating
 320         BIT_FIELD_REFs of structure bases.
 321         (fold_binary): Likewise.
 322         (fold_ternary): Position and size of BIT_FIELD_REFs are
 323         always host integers.
 324         (make_bit_field_ref): Remove.
 325         (optimize_bit_field_compare): Remove.
 326         (all_ones_mask_p): Remove.
 327
 328 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 329
 330         PR gcc/33009
 331         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 332         (split_block_and_df_analyze): New. Split basic block and rebuild
 333         dataflow.
 334         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 335         SPLIT_BLOCK.
 336         (split_pattern_seq): Likewise.
 337         (erase_matching_seqs): Likewise.
 338         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 339
 340 2008-03-04  Geoff Keating  <geoffk@apple.com>
 341
 342         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 343         declaration and code.
 344         (tree_invalid_nonnegative_warnv_p): Likewise.
 345
 346 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 347
 348         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 349         examples.  Truncate option-names then causing overfull hbox.
 350
 351 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 352
 353         PR target/35222
 354         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 355         on hpux10.
 356         * configure: Rebuilt.
 357
 358 2008-03-04  Rafael Espindola  <espindola@google.com>
 359
 360         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 361         (tree_unary_nonnegative_warnv_p): New.
 362         (tree_binary_nonnegative_warnv_p): New.
 363         (tree_single_nonnegative_warnv_p): New.
 364         (tree_invalid_nonnegative_warnv_p): New.
 365         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 366
 367 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 368
 369         PR 28322
 370         * opts.c (handle_option): Postpone 'unknown option' errors only for
 371         warning options.
 372
 373 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 374
 375         PR target/35453
 376         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 377         (_SIDD_XXX): This.
 378
 379 2008-03-04  Rafael Espindola  <espindola@google.com>
 380
 381         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 382         (tree_binary_nonzero_warnv_p): New.
 383         (tree_single_nonzero_warnv_p): New.
 384         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 385
 386 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 387
 388         PR middle-end/35456
 389         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 390         transformations for modes that have signed zeros.
 391         * ifcvt.c (noce_try_abs): Ditto.
 392
 393 >>>>>>> .r132956
 394 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 395
 396         * config/i386/i386.c (override_options): Force
 397         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 398
 399 2008-03-04  Jan Hubicka  <jh@suse.cz>
 400
 401         PR c++/35262
 402         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 403         in last commit.
 404
 405 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 406
 407         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 408         label to probe the stack.
 409
 410 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 411
 412         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 413         (__gthr_win32_mutex_destroy): Declare.
 414         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 415         __gthr_win32_mutex_destroy.
 416         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 417
 418 2008-03-03  Jan Hubicka  <jh@suse.cz>
 419
 420         PR c++/35262
 421         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 422         aggressive on inlining cold calls.
 423
 424 2008-03-03  Richard Guenther  <rguenther@suse.de>
 425
 426         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 427         struct copies into the expression table.
 428         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 429         (try_to_simplify): Likewise.
 430         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 431         integral and pointer arguments which do not change the
 432         precision to NOP_EXPRs.
 433         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 434         VIEW_CONVERT_EXPR case.
 435
 436 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 439         defined in a loop at depth 0 is invariant.
 440         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 441         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 442         be called at loop depth 0.
 443
 444 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 445
 446         PR driver/35420
 447         * gcc.c (process_command): Update copyright notice dates.
 448         * gcov.c (print_version): Likewise.
 449         * gcov-dump.c (print_version): Likewise.
 450         * mips-tfile.c (main): Likewise.
 451         * mips-tdump.c (main): Likewise.
 452
 453 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 454
 455         PR 24924
 456         * c-common.c (flag_permissive): Delete.
 457         (constant_expression_warnings): Check flags first.
 458         (constant_expression_error): New.
 459         * c-common.h (flag_permissive): Delete.
 460         (constant_expression_error): Declare.
 461         * flags.h (flag_permissive): Declare. Update description.
 462         * diagnostic.c (pedwarn): Update.
 463         (permerror): New.
 464         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 465         (permissive_error_kind): New.
 466         * toplev.c (flag_permissive): Define. Update description.
 467         * toplev.h (permissive_error_kind): Declare.
 468         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 469         (pedwarn_c90): Use pedantic_warning_kind.
 470         * c-opts.c (c_common_post_options): flag_permissive does not affect
 471         flag_pedantic_errors.
 472
 473 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 474
 475         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 476         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 477         __absvsi2, __absvDI2): Use unsigned arithmetic.
 478
 479 2008-03-02  Andi Kleen  <ak@suse.de>
 480         Richard Guenther  <rguenther@suse.de>
 481
 482         * struct-equiv.c: Remove file.
 483         * cfg_cleanup.c (condjump_equiv_p): Remove.
 484         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 485         (struct-equiv.o): Remove rule.
 486         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 487         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 488         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 489
 490 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 491
 492         * ifcvt.c (noce_process_if_block): Try to handle only the then
 493         block if the else block exists but isn't suitable.
 494
 495 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 496
 497         PR gcc/35063
 498         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 499         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 500         regression from previous patch.
 501
 502 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 503
 504         PR gcc/35063
 505         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 506         implemented.
 507         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 508         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 509         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 510         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 511         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 512         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
 513         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
 514         (__gthread_mutex_destroy_function): Rename to
 515         __gthread_mutex_destroy.
 516         * gthr-dce.h (__gthread_mutex_destroy): Call
 517         pthread_mutex_destroy.
 518         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
 519         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
 520         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
 521
 522 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 523
 524         * df-scan.c (df_ref_chain_change_bb): Simplify.
 525         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
 526         set_block_for_insn if there's any change.
 527         * df.h ((df_insn_change_bb): Fix prototype.
 528         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
 529         df_insn_change_bb, don't call set_block_for_insn.
 530         * emit-rtl.c (reorder_insns): Likewise.
 531         * haifa-sched.c (move_insn): Likewise.
 532
 533 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 534
 535         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
 536
 537 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 538
 539         * tree-flow-inline.h (next_readonly_imm_use): Return
 540         NULL_USE_OPERAND_P after the end.
 541
 542 2008-03-01  Richard Guenther  <rguenther@suse.de>
 543
 544         PR tree-optimization/35411
 545         * tree-sra.c (sra_build_assignment): Split conversion to
 546         final type to a separate statement if we are not assigning
 547         to a register.
 548
 549 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 550
 551         * fold-const.c (fold_convertible_p): Correct the logic to follow
 552         that in fold_convert().
 553
 554 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 555
 556         PR c++/35315
 557         * tree-inline.c (build_duplicate_type): When we make a
 558         duplicate type, make it unique in the canonical types system.
 559
 560 2008-02-29  Tom Tromey  <tromey@redhat.com>
 561
 562         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 563         input_file_stack_history, input_file_stack_restored): Remove.
 564         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 565         * input.h (struct file_stack): Remove.
 566         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 567         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 568         Likewise.
 569         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 570         type.
 571         (diagnostic_last_module_changed): Add 'map' argument.
 572         (diagnostic_set_last_function): Likewise.
 573         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 574         line map, not input_file_stack.
 575         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 576
 577 2008-02-29  Paul Brook  <paul@codesourcery.com>
 578
 579         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 580
 581 2008-02-29  Paul Brook  <paul@codesourcery.com>
 582
 583         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 584
 585 2008-02-29  Richard Guenther  <rguenther@suse.de>
 586
 587         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 588         vn_lookup_or_add.
 589         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 590         value for comparing for a store match.
 591         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 592         (try_to_simplify): Do not do a full-blown reference lookup.
 593
 594 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 595
 596         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 597         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 598
 599         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 600
 601 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 602
 603         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 604         strides against cache sizes.
 605
 606 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 607
 608         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 609         constant to fpul.
 610
 611 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 612
 613         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 614         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 615         is smaller than the original promoted value.
 616         (simplify_subreg): If OP is a SUBREG, try to preserve its
 617         SUBREG_PROMOTED_VAR_P information.
 618
 619 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 620
 621         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 622         (VN_INFO_GET): Allocate new objects on the obstack.
 623         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 624         for rpo_numbers_temp, for consistency.
 625         (free_scc_vn): Free the obstack.
 626
 627 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * doc/invoke.texi: Document -ftree-loop-distribution.
 630         * tree-loop-distribution.c: New.
 631         * tree-pass.h (pass_loop_distribution): New.
 632         * graphds.h (struct graph): Add htab_t indices.
 633         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 634         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 635         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 636         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 637         * tree-data-ref.c (debug_data_dependence_relations): New.
 638         (dump_data_dependence_relation): Also print data references.
 639         (free_data_ref): Extern.
 640         (same_access_functions): Moved...
 641         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 642         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 643         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 644         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 645         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 646         (stmts_from_loop): Skip LABEL_EXPR.
 647         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
 648         New.
 649         (build_rdg): Initialize rdg->indices htab.
 650         (free_rdg, stores_from_loop, ref_base_address,
 651         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 652         have_similar_memory_accesses_1, ref_base_address_1,
 653         remove_similar_memory_refs): New.
 654         * tree-data-ref.h: Depend on tree-chrec.h.
 655         (debug_data_dependence_relations, free_data_ref): Declared.
 656         (same_access_functions): ... here.
 657         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
 658         New.
 659         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 660         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 661         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 662         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 663         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 664         rdg_vertex_for_stmt): Declared.
 665         (struct rdg_edge): Add level.
 666         (RDGE_LEVEL): New.
 667         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 668         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
 669         Declared.
 670         (rdg_has_similar_memory_accesses): New.
 671         * tree-vect-analyze.c: Remove unused static decls.
 672         * lambda.h (dependence_level): New.
 673         * common.opt (ftree-loop-distribution): New.
 674         * tree-flow.h (mark_virtual_ops_in_bb,
 675         slpeel_tree_duplicate_loop_to_edge_cfg,
 676         rename_variables_in_loop): Declared.
 677         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 678         (OBJS-common): Add tree-loop-distribution.o.
 679         (tree-loop-distribution.o): New rule.
 680         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 681         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 682         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 683
 684 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 685
 686         PR target/33963
 687         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 688         other than structures and unions.
 689
 690 2008-02-28  Richard Guenther  <rguenther@suse.de>
 691
 692         Revert:
 693         2008-02-26  Richard Guenther  <rguenther@suse.de>
 694
 695         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 696         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 697         (lookup_decl_from_uid): Declare.
 698         (remove_decl_from_map): Likewise.
 699         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 700         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 701         (decl_for_uid_map): New global hashtable mapping DECL_UID
 702         to the decl tree.
 703         (init_ttree): Allocate it.
 704         (insert_decl_to_uid_decl_map): New helper function.
 705         (make_node_stat): Insert new decls into the map.
 706         (copy_node_stat): Likewise.
 707         (lookup_decl_from_uid): New function.
 708         (remove_decl_from_map): Likewise.
 709         (print_decl_for_uid_map_statistics): New helper.
 710         (dump_tree_statistics): Call it.
 711
 712         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 713         (referenced_var_iterator): Adjust.
 714         (FOR_EACH_REFERENCED_VAR): Adjust.
 715         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 716         (num_referenced_vars): Adjust.
 717         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 718         (first_referenced_var): Remove.
 719         (end_referenced_vars_p): Likewise.
 720         (next_referenced_var): Likewise.
 721         (referenced_var_iterator_set): New helper function.
 722         * tree-dfa.c (referenced_var_lookup): Adjust.
 723         (referenced_var_check_and_insert): Likewise.
 724         (remove_referenced_var): Likewise.
 725         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 726         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 727         (verify_call_clobbering): Likewise.
 728         (verify_memory_partitions): Likewise.
 729         (init_tree_ssa): Allocate bitmap instead of hashtable for
 730         referenced_vars.
 731         (delete_tree_ssa): Adjust.
 732         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 733         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 734         (compute_tag_properties): Likewise.
 735         (set_initial_properties): Likewise.
 736         (find_partition_for): Likewise.
 737         (update_reference_counts): Likewise.
 738         (dump_may_aliases_for): Likewise.
 739         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 740         (add_call_clobber_ops): Likewise.
 741         (add_call_read_ops): Likewise.
 742         (get_asm_expr_operands): Likewise.
 743         * tree-into-ssa.c (dump_decl_set): Likewise.
 744         (update_ssa): Likewise.
 745         * tree-sra.c (scan_function): Likewise.
 746         (decide_instantiations): Likewise.
 747         (scalarize_parms): Likewise.
 748         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 749         (dsa_named_for): Likewise.
 750         * tree-ssa-structalias.c (update_alias_info): Likewise.
 751         (merge_smts_into): Likewise.
 752
 753 2008-02-27  David Daney  <ddaney@avtrex.com>
 754
 755         PR target/34409
 756         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 757         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 758         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 759         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 760         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 761
 762 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 763
 764         PR target/25477
 765         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 766         (BUILT_IN_NEXTTOWARD): Remove.
 767         (BUILT_IN_NEXTTOWARDF): Ditto.
 768         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 769         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 770
 771 2008-02-27  Tom Tromey  <tromey@redhat.com>
 772
 773         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 774         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 775
 776 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 777
 778         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 779         update the respective field on newdecl.
 780
 781 2008-02-27  Revital Eres  <eres@il.ibm.com>
 782
 783         PR rtl-optimization/34999
 784         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 785         crossing edges that ends with a call insn.
 786         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 787         call insn and clear the EDGE_CROSSING flag of the crossing edge
 788         when fixing fallthru edges.
 789
 790 2008-02-27  Richard Guenther  <rguenther@suse.de>
 791
 792         PR middle-end/35390
 793         * fold-const.c (fold_unary): Return the correct argument,
 794         converted to the result type.
 795
 796 2008-02-27  Richard Guenther  <rguenther@suse.de>
 797
 798         PR middle-end/34971
 799         * expr.c (expand_expr_real_1): Assert on rotates that operate
 800         on partial modes.
 801         * fold-const.c (fold_binary): Use the types precision, not the
 802         bitsize of the mode if folding rotate expressions.  Build rotates
 803         only for full modes.
 804
 805 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 806
 807         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 808         and CPP_PRAGMA_EOL.
 809         * c-pragma.c (pragma_ns_name): New typedef.
 810         (registered_pp_pragmas): New variable.
 811         (c_pp_lookup_pragma): New function.
 812         (c_register_pragma_1): If flag_preprocess_only, do nothing
 813         for non-expanded pragmas, for expanded ones push pragma's
 814         namespace and name into registered_pp_pragmas vector.
 815         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 816         flag_preprocess_only, don't register GCC pch_preprocess
 817         pragma if flag_preprocess_only.
 818         * c-opts.c (c_common_init): Call init_pragma even if
 819         flag_preprocess_only.
 820         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 821         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 822         cpp_register_pragma if flag_preprocess_only.
 823
 824 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 825
 826         PR c/28800
 827         * c-parser.c (c_parser_translation_unit): Warn for empty
 828         translation unit, not empty source file.
 829
 830 2008-02-26  Paul Brook  <paul@codesourcery.com>
 831
 832         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 833         operand for Thumb-2.
 834         * config/arm/arm.h (reg_class): Add CORE_REGS.
 835         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 836         (BASE_REG_CLASS): Use CORE_REGS.
 837         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 838         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 839         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 840         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 841         ARM_REGNO_OK_FOR_INDEX_P.
 842         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 843         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 844         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 845         (ldm/stm peepholes): Ditto.
 846         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 847         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 848         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 849         * config/arm/constraints.md: Enable "k" constraint on ARM.
 850
 851 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 852
 853         * config/rs6000/rs6000.c: Annotate cache line size field in all
 854         instances of struct processor_costs.
 855
 856 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 857
 858         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 859         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 860         jump_bypass): New counters.
 861         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 862         * dce.c (gate_ud_dce): Same.
 863         (gate_fast_dce): Same.
 864         * dse.c (gate_dse1): New function.
 865         (gate_dse2): New function.
 866         (gate_dse): Merge results of new gate functions.
 867         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 868         (gate_handle_jump_bypass): Add dbg_cnt.
 869         (gate_handle_gcse): Add dbg_cnt.
 870         * ifcvt.c (gate_handle_if_conversion): Same.
 871         (gate_handle_if_after_combine): Same.
 872         (gate_handle_if_after_reload): Same.
 873         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 874
 875 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 876
 877         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 878         line sizes.
 879         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 880
 881 2008-02-26  Jason Merrill  <jason@redhat.com>
 882
 883         PR c++/35315
 884         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 885         alone if it's the naming decl for the type's main variant.
 886
 887 2008-02-26  Tom Tromey  <tromey@redhat.com>
 888
 889         * system.h (USE_MAPPED_LOCATION): Poison.
 890         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
 891         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
 892         (make_goto_expr_edges): Likewise.
 893         (remove_bb): Likewise.
 894         (execute_warn_function_return): Likewise.
 895         * basic-block.h (struct edge_def) <goto_locus>: Change type to
 896         location_t.
 897         * c-common.c (fname_decl): Remove old location code.
 898         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
 899         location code.
 900         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
 901         variant.
 902         (ASM_INPUT_SOURCE_LOCATION): Likewise.
 903         (gen_rtx_ASM_INPUT): Likewise.
 904         (gen_rtx_ASM_INPUT_loc): Likewise.
 905         (get_rtx_asm_OPERANDS): Remove.
 906         * cfglayout.c (insn_locators_alloc): Remove old location code.
 907         (set_curr_insn_source_location): Likewise.
 908         (curr_insn_locator): Likewise.
 909         * print-tree.c (print_node): Remove old location code.
 910         * tree-mudflap.c (mf_varname_tree): Remove old location code.
 911         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
 912         * cfgexpand.c (expand_gimple_cond_expr): Don't use
 913         location_from_locus.
 914         (construct_exit_block): Remove old location code.
 915         * emit-rtl.c (force_next_line_note): Remove old location code.
 916         * profile.c (branch_prob): Remove old location code.
 917         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
 918         LOC_LINE): Remove old-location variants.
 919         * langhooks.c (lhd_print_error_function): Remove old location
 920         code.
 921         * configure, config.in: Rebuilt.
 922         * configure.ac (--enable-mapped-location): Remove.
 923         * c-decl.c (c_init_decl_processing): Remove old location code.
 924         (finish_function): Likewise.
 925         * recog.c (decode_asm_operands): Remove old location code.
 926         * c-pch.c (c_common_read_pch): Remove old location code.
 927         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
 928         variants.
 929         * gimple-low.c (lower_function_body): Remove old location code.
 930         * toplev.c (unknown_location): Remove.
 931         (push_srcloc): Remove old-location variant.
 932         (process_options): Remove old location code.
 933         (lang_dependent_init): Likewise.
 934         * input.h (UNKNOWN_LOCATION): Move definition.
 935         (location_t): Undeprecate.
 936         (source_locus): Remove.
 937         (location_from_locus): Remove.
 938         (struct location_s): Remove.
 939         Remove all old-location code.
 940         (input_line, input_filename): Remove.
 941         * final.c (final_scan_insn): Remove old location code.
 942         * diagnostic.c (diagnostic_build_prefix): Remove
 943         USE_MAPPED_LOCATION test.
 944         * tree.h (gimple_stmt) <locus>: Now a location_t.
 945         (tree_exp) <locus>: Likewise.
 946         (DECL_IS_BUILTIN): Remove old-location variant.
 947         (annotate_with_file_line, annotate_with_locus): Likewise.
 948         (expr_locus, set_expr_locus): Update.
 949         * tree.c (build1_stat): Remove old location code.
 950         (last_annotated_node): Remove.
 951         (annotate_with_file_line): Remove old-location variant.
 952         (annotate_with_locus): Likewise.
 953         (expr_location): Remove old location code.
 954         (set_expr_location): Likewise.
 955         (expr_has_location): Likewise.
 956         (expr_locus): Likewise.
 957         (set_expr_locus): Likewise.
 958         (expr_filename): Don't use location_from_locus.
 959         (expr_lineno): Likewise.
 960         * rtl-error.c (location_for_asm): Remove old location code.
 961         * c-lex.c (cb_line_change): Remove old location code.
 962         (fe_file_change): Likewise.
 963         (cb_def_pragma): Likewise.
 964         (c_lex_with_flags): Likewise.
 965         * gengtype.c (do_typedef): Don't special-case location types.
 966         (define_location_structures): Remove.
 967         (main): Don't call define_location_structures.
 968         * tree-pretty-print.c (dump_implicit_edges): Remove old location
 969         code.
 970
 971 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 972
 973         PR 26264
 974         * builtins.def (BUILT_IN_STDARG_START): Remove.
 975         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 976         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
 977         * tree-inline.c (inline_forbidden_p_1): Likewise.
 978
 979 2008-02-26  Richard Guenther  <rguenther@suse.de>
 980
 981         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 982         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 983         (lookup_decl_from_uid): Declare.
 984         (remove_decl_from_map): Likewise.
 985         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 986         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 987         (decl_for_uid_map): New global hashtable mapping DECL_UID
 988         to the decl tree.
 989         (init_ttree): Allocate it.
 990         (insert_decl_to_uid_decl_map): New helper function.
 991         (make_node_stat): Insert new decls into the map.
 992         (copy_node_stat): Likewise.
 993         (lookup_decl_from_uid): New function.
 994         (remove_decl_from_map): Likewise.
 995         (print_decl_for_uid_map_statistics): New helper.
 996         (dump_tree_statistics): Call it.
 997
 998         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 999         (referenced_var_iterator): Adjust.
1000         (FOR_EACH_REFERENCED_VAR): Adjust.
1001         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1002         (num_referenced_vars): Adjust.
1003         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1004         (first_referenced_var): Remove.
1005         (end_referenced_vars_p): Likewise.
1006         (next_referenced_var): Likewise.
1007         (referenced_var_iterator_set): New helper function.
1008         * tree-dfa.c (referenced_var_lookup): Adjust.
1009         (referenced_var_check_and_insert): Likewise.
1010         (remove_referenced_var): Likewise.
1011         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1012         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1013         (verify_call_clobbering): Likewise.
1014         (verify_memory_partitions): Likewise.
1015         (init_tree_ssa): Allocate bitmap instead of hashtable for
1016         referenced_vars.
1017         (delete_tree_ssa): Adjust.
1018         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1019         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1020         (compute_tag_properties): Likewise.
1021         (set_initial_properties): Likewise.
1022         (find_partition_for): Likewise.
1023         (update_reference_counts): Likewise.
1024         (dump_may_aliases_for): Likewise.
1025         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1026         (add_call_clobber_ops): Likewise.
1027         (add_call_read_ops): Likewise.
1028         (get_asm_expr_operands): Likewise.
1029         * tree-into-ssa.c (dump_decl_set): Likewise.
1030         (update_ssa): Likewise.
1031         * tree-sra.c (scan_function): Likewise.
1032         (decide_instantiations): Likewise.
1033         (scalarize_parms): Likewise.
1034         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1035         (dsa_named_for): Likewise.
1036         * tree-ssa-structalias.c (update_alias_info): Likewise.
1037         (merge_smts_into): Likewise.
1038
1039 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1040
1041         PR 34351
1042         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1043         * c-opts.c (c_common_handle_option): Wall enables
1044         Wvolatile-register-var.
1045         * common.opt: Move Wvolatile-register-var to...
1046         * c.opt: ...here.
1047
1048 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1049
1050         * common.opt (Wlarger-than=): New.
1051         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1052         -Wlarger-than=.
1053         * opts.c (common_handle_option): Handle -Wlarger-than=.
1054         * optc-gen.awk: Likewise.
1055         * opth-gen.awk: Likewise.
1056         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1057         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1058
1059 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1060
1061         * c-common.c (match_case_to_enum_1): Add appropriate
1062         OPT_W* parameter to warning.
1063         (c_do_switch_warnings): Likewise.
1064         * c-typeck.c (warning_init): Add one more parameter following
1065         'warning' function.
1066         (push_init_level): Update call to warning_init.
1067         (pop_init_level): Likewise.
1068         (add_pending_init): Likewise.
1069         (output_init_element: Likewise.
1070
1071 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1072
1073         PR 28322
1074         * toplev.c (toplev_main): If there are warnings or error, print
1075         errors for ignored options.
1076         * opts.c (ignored_options): New static variable.
1077         (postpone_unknown_option_error): New.
1078         (print_ignored_options): New.
1079         (handle_option): Postpone errors for unknown -Wno-* options.
1080         * opts.h (print_ignored_options): Declare.
1081
1082 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1083
1084         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1085         to "ghost".
1086
1087 2008-02-25  Richard Guenther  <rguenther@suse.de>
1088
1089         Revert:
1090         2008-02-25  Richard Guenther  <rguenther@suse.de>
1091
1092         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1093         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1094         (lookup_decl_from_uid): Declare.
1095         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1096         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1097         (decl_for_uid_map): New global hashtable mapping DECL_UID
1098         to the decl tree.
1099         (init_ttree): Allocate it.
1100         (insert_decl_to_uid_decl_map): New helper function.
1101         (make_node_stat): Insert new decls into the map.
1102         (copy_node_stat): Likewise.
1103         (lookup_decl_from_uid): New function.
1104         (print_decl_for_uid_map_statistics): New helper.
1105         (dump_tree_statistics): Call it.
1106
1107         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1108         (referenced_var_iterator): Adjust.
1109         (FOR_EACH_REFERENCED_VAR): Adjust.
1110         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1111         (num_referenced_vars): Adjust.
1112         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1113         (first_referenced_var): Remove.
1114         (end_referenced_vars_p): Likewise.
1115         (next_referenced_var): Likewise.
1116         (referenced_var_iterator_set): New helper function.
1117         * tree-dfa.c (referenced_var_lookup): Adjust.
1118         (referenced_var_check_and_insert): Likewise.
1119         (remove_referenced_var): Likewise.
1120         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1121         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1122         (verify_call_clobbering): Likewise.
1123         (verify_memory_partitions): Likewise.
1124         (init_tree_ssa): Allocate bitmap instead of hashtable for
1125         referenced_vars.
1126         (delete_tree_ssa): Adjust.
1127         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1128         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1129         (compute_tag_properties): Likewise.
1130         (set_initial_properties): Likewise.
1131         (find_partition_for): Likewise.
1132         (update_reference_counts): Likewise.
1133         (dump_may_aliases_for): Likewise.
1134         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1135         (add_call_clobber_ops): Likewise.
1136         (add_call_read_ops): Likewise.
1137         (get_asm_expr_operands): Likewise.
1138         * tree-into-ssa.c (dump_decl_set): Likewise.
1139         (update_ssa): Likewise.
1140         * tree-sra.c (scan_function): Likewise.
1141         (decide_instantiations): Likewise.
1142         (scalarize_parms): Likewise.
1143         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1144         (dsa_named_for): Likewise.
1145         * tree-ssa-structalias.c (update_alias_info): Likewise.
1146         (merge_smts_into): Likewise.
1147
1148 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1149
1150         PR fortran/29549
1151         * doc/invoke.texi (-fcx-limited-range): Document new option.
1152         * toplev.c (process_options): Handle -fcx-fortran-rules.
1153         * common.opt: Add documentation for -fcx-fortran-rules.
1154
1155 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1156
1157         PR c/35162
1158         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1159         actual behaviour and C99.
1160
1161 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1162
1163         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1164         (ASM_CPU_POWER6_SPEC): Likewise.
1165         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1166         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1167         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1168
1169 2008-02-25  Richard Guenther  <rguenther@suse.de>
1170
1171         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1172         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1173         (lookup_decl_from_uid): Declare.
1174         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1175         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1176         (decl_for_uid_map): New global hashtable mapping DECL_UID
1177         to the decl tree.
1178         (init_ttree): Allocate it.
1179         (insert_decl_to_uid_decl_map): New helper function.
1180         (make_node_stat): Insert new decls into the map.
1181         (copy_node_stat): Likewise.
1182         (lookup_decl_from_uid): New function.
1183         (print_decl_for_uid_map_statistics): New helper.
1184         (dump_tree_statistics): Call it.
1185
1186         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1187         (referenced_var_iterator): Adjust.
1188         (FOR_EACH_REFERENCED_VAR): Adjust.
1189         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1190         (num_referenced_vars): Adjust.
1191         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1192         (first_referenced_var): Remove.
1193         (end_referenced_vars_p): Likewise.
1194         (next_referenced_var): Likewise.
1195         (referenced_var_iterator_set): New helper function.
1196         * tree-dfa.c (referenced_var_lookup): Adjust.
1197         (referenced_var_check_and_insert): Likewise.
1198         (remove_referenced_var): Likewise.
1199         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1200         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1201         (verify_call_clobbering): Likewise.
1202         (verify_memory_partitions): Likewise.
1203         (init_tree_ssa): Allocate bitmap instead of hashtable for
1204         referenced_vars.
1205         (delete_tree_ssa): Adjust.
1206         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1207         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1208         (compute_tag_properties): Likewise.
1209         (set_initial_properties): Likewise.
1210         (find_partition_for): Likewise.
1211         (update_reference_counts): Likewise.
1212         (dump_may_aliases_for): Likewise.
1213         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1214         (add_call_clobber_ops): Likewise.
1215         (add_call_read_ops): Likewise.
1216         (get_asm_expr_operands): Likewise.
1217         * tree-into-ssa.c (dump_decl_set): Likewise.
1218         (update_ssa): Likewise.
1219         * tree-sra.c (scan_function): Likewise.
1220         (decide_instantiations): Likewise.
1221         (scalarize_parms): Likewise.
1222         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1223         (dsa_named_for): Likewise.
1224         * tree-ssa-structalias.c (update_alias_info): Likewise.
1225         (merge_smts_into): Likewise.
1226
1227 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1228
1229         PR target/35258
1230         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1231         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1232         * alias.h (nonoverlapping_memrefs_p): Likewise.
1233
1234 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1235
1236         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1237         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1238         __emultls_get_address, __emultls_register_common,
1239         __floatundi?f, and _Unwind_GetIPInfo.
1240         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1241         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1242         (gen_regparm_prefix): Likewise.
1243         (i386_nlm_encode_section_info): Sync with
1244         config/i386/winnt.c:i386_pe_encode_section_info().
1245         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1246         i386_nlm_mangle_decl_assembler_name): New.
1247         (netware_override_options): New.
1248         * config/i386/netware.h (netware_override_options): Declare.
1249         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1250         (i386_nlm_mangle_decl_assembler_name): Declare.
1251         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1252
1253 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1254
1255         PR other/32948
1256         * c-decl.c (grokdeclarator): Remove unused local variables
1257         `typedef_type' and `type_as_written'.
1258         * bb-reorder.c
1259         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1260         unused local variable `has_hot_blocks'.
1261         (fix_crossing_conditional_branches): Remove unused local variable
1262         `prev_bb'.
1263
1264 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         PR middle-end/19984
1267         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1268         using DEF_C99_BUILTIN.
1269         (BUILT_IN_NANF): Ditto.
1270         (BUILT_IN_NANL): Ditto.
1271
1272 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1273             Revital Eres  <eres@il.ibm.com>
1274
1275         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1276         regarding the order of two dependent insns in the same row.
1277
1278 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1279
1280         * stor-layout.c (layout_decl): Do not bump the alignment of a
1281         bit-field to more than byte alignment if it is packed.
1282
1283 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1284
1285         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1286         e300c2 and e300c3.
1287
1288 2008-02-24  Diego Novillo  <dnovillo@google.com>
1289
1290         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1291
1292         PR 33738
1293         * tree-vrp.c (vrp_evaluate_conditional): With
1294         -Wtype-limits, emit a warning when comparing against a
1295         constant outside the natural range of OP0's type.
1296         * c.opt (Wtype-limits): Move ...
1297         * common.opt (Wtype-limits): ... here.
1298
1299 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1300
1301         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1302         * config/rs6000/e300c2c3.md: New file.
1303         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1304         e300c2 and e300c3.
1305         (rs6000_override_options): Add e300c2 and e300c3 cases to
1306         processor_target_table. Do not allow usage of Altivec or Spe
1307         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1308         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1309         * config/rs6000/rs6000.h (processor_type): Add
1310         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1311         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1312         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1313         and ppce300c3. Include e300c2c3.md.
1314
1315 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1316
1317         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1318         instead of TARGET_STRICT_ALIGN.
1319
1320 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1321
1322         * explow.c (memory_address): Assert that the generated address is
1323         valid.
1324
1325 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1326
1327         PR target/25477
1328         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1329         * config/darwin-ppc-ldouble-patch.def: New file.
1330         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1331         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1332         SUBTARGET_INIT_BUILTINS if defined.
1333         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1334         New functions.
1335
1336 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1337
1338         PR rtl-opt/33512
1339         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1340         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1341
1342 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1343
1344         PR pch/35027
1345         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1346         file" warning condtional on -Winvalid-PCH.
1347
1348 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1349
1350         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1351
1352 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1353
1354         PR target/22076
1355         PR target/34256
1356         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1357         prevent reload from using MMX registers.
1358         (*mov<mode>_internal): Ditto.
1359         (*movv2sf_internal_rex64): Ditto.
1360         (*movv2sf_internal): Ditto.
1361
1362 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1363
1364         PR documentation/31569
1365         * doc/install.texi2html: Use makeinfo --no-number-sections.
1366
1367 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1368
1369         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1370         ensure that we can address an entire entity > 8 bytes.  Don't
1371         generate reg+reg addressing for such data.
1372
1373 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1374
1375         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1376         strings when optimizing for size, unless the target cares about
1377         alignment.
1378
1379 2008-02-22  Tom Tromey  <tromey@redhat.com>
1380
1381         * regclass.c (current_pass): Remove declaration.
1382
1383 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1384
1385         * config/avr/libgcc.S (__RAMPZ__): Define.
1386         (__do_copy_data): Add for devices with 128KB code memory.
1387
1388 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1389
1390         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1391         Use spe_abi.
1392         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1393
1394 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1395
1396         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1397         GENNONACR_REGS.
1398
1399 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1400
1401         PR c/19999
1402         * c-typeck.c (build_binary_op): Warn about floating point
1403         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1404
1405 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1406
1407         PR target/34526
1408         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1409         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1410         add vrsave.
1411         (rs6000_override_options): Set altivec_abi as default, not override,
1412         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1413         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1414         is used; use new member spe_abi.
1415         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1416         spe_abi and altivec_abi.
1417
1418 2008-02-22  Tomas Bily  <tbily@suse.cz>
1419
1420         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1421
1422 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1423
1424         PR bootstrap/35273
1425         * config.build (build_file_translate): Set to `CMD //c' only if
1426         it works.
1427         * Makefile.in (build_file_translate): Improve comment.
1428
1429 2008-02-21  Jan Hubicka  <jh@suse.cz>
1430
1431         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1432         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1433         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1434
1435 2008-02-21  Michael Matz  <matz@suse.de>
1436
1437         PR target/35264
1438         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1439
1440 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1441
1442         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1443         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1444         as insn constraint.
1445         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1446         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1447         SSE_VEC_FLOAT_MODE_P as insn constraint.
1448         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1449         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1450         sse4a_movntdf using MODEF mode iterator.
1451         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1452         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1453         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1454         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1455         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1456         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1457         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1458
1459 2008-02-21  Richard Guenther  <rguenther@suse.de>
1460
1461         * tree.def (PAREN_EXPR): New tree code.
1462         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1463         and PAREN_EXPR.
1464         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1465         * expr.c (expand_expr_real_1): Likewise.
1466         * tree-inline.c (estimate_num_insns_1): Likewise.
1467         * tree-complex.c (expand_complex_move): Likewise.
1468         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1469         as plain x.
1470
1471 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1472
1473         PR target/35225
1474         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1475
1476 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1477
1478         PR target/35190
1479         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1480
1481         * config/sh/sh.c (find_barrier): Don't go past
1482         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1483
1484 2008-02-20  DJ Delorie  <dj@redhat.com>
1485
1486         * config/h8300/h8300.md (insv): Force source operand to be a register.
1487
1488         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1489         as a jump, not as a plain insn.
1490
1491 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1492
1493         * doc/invoke.texi (Warning Options): Add new option
1494         -Wframe-larger-than=.
1495         (-Wframe-larger-than): Document.
1496
1497         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1498         Add declarations for new option variables.
1499
1500         * final.c (final_start_function): Check the frame size
1501         before emission and issue a Wframe-larger-than warning.
1502
1503         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1504         Add definitions for new option variables.
1505         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1506
1507         * common.opt (Wframe-larger-than=): New option.
1508
1509 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1510
1511         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1512         (<sse>_div<mode>3): Ditto.
1513         (<sse>_vmdiv<mode>3): Ditto.
1514         (<sse>_vmsqrt<mode>2): Ditto.
1515         (*smax<mode>3): Ditto.
1516         (sse5_frcz<mode>2): Ditto.
1517         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1518         as insn constraint.
1519
1520 2008-02-20  Richard Guenther  <rguenther@suse.de>
1521
1522         PR middle-end/35265
1523         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1524         be happy with INTEGRAL_TYPE_P.
1525
1526 2008-02-20  Richard Guenther  <rguenther@suse.de>
1527
1528         * fold-const.c (split_tree): Associate floatig-point expressions
1529         if flag_associative_math is set.
1530
1531 2008-02-20  Richard Guenther  <rguenther@suse.de>
1532
1533         * tree.h (fold_real_zero_addition_p): Declare.
1534         * fold-const.c (fold_real_zero_addition_p): Export.
1535         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1536         floating-point operations with zero and one.
1537
1538 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1539
1540         * doc/install.texi: Correct references to CFLAGS, replacing them
1541         with BOOT_CFLAGS.  Document flags used during bootstrap for
1542         target libraries.
1543
1544 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1545
1546         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1547         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1548         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1549         insn constraint.
1550         (smin<mode>3): Ditto from similar patterns.
1551         (smax<mode>3): Ditto.
1552         (*ieee_smin<mode>3): Ditto.
1553         (*ieee_smax<mode>3): Ditto.
1554         * config/i386/sse.md (sse): New mode attribute.
1555         (mov<mode>): Macroize expander from movv4sf and movv2df using
1556         SSEMODEF2P mode iterator.
1557         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1558         SSE_VEC_FLOAT_MODE_P as insn constraint.
1559         (storent<mode>): Ditto.
1560         (storent<mode>): Macroize expander from storentsf and storentdf using
1561         MODEF mode iterator.
1562         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1563         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1564         (abs<mode>2): Ditto from similar patterns.
1565         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1566         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1567         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1568         (<sse>_vmsqrt<mode>2): Ditto.
1569         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1570         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1571         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1572         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1573         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1574         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1575         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1576         insn constraint.
1577         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1578         iterator and SSE_FLOAT_MODE_P as insn constraint.
1579         (<sse>_ucomi): Ditto from similar patterns.
1580         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1581         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1582         SSE_VEC_FLOAT_MODE_P as insn constraint.
1583         (vcond<mode>): Ditto from similar patterns.
1584         (and<mode>3, *and<mode>3): Ditto.
1585         (<sse>_nand<mode>3): Ditto.
1586         (ior<mode>3, *ior<mode>3): Ditto.
1587         (xor<mode>3, *xor<mode>3): Ditto.
1588         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1589         iterator and SSE_FLOAT_MODE_P as insn constraint.
1590         (*nand<mode>3): Ditto from similar patterns.
1591         (*ior<mode>3): Ditto.
1592         (*xor<mode>3): Ditto.
1593
1594 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1595
1596         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1597         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1598         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1599
1600 2008-02-19  Jan Hubicka  <jh@suse.cz>
1601
1602         * predict.c (tree_bb_level_predictions): Remove variable next
1603         mistakely introduced by previous commit.
1604
1605 2008-02-19  Jan Hubicka  <jh@suse.cz>
1606
1607         * predict.c (predict_paths_leading_to): Rewrite.
1608         (predict_paths_for_bb): New.
1609         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1610
1611 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1612
1613         PR bootstrap/35218
1614         * Makefile.in (build_file_translate): New.
1615         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1616         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1617         * configure.ac (build_file_translate): Substitute it.
1618         * configure: Regenerate.
1619
1620 2008-02-19  Jan Hubicka  <jh@suse.cz>
1621
1622         PR rtl-optimization/34408
1623         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1624         invalid sharing.
1625
1626 2008-02-19  Jan Hubicka  <jh@suse.cz>
1627
1628         PR middle-end/28779
1629         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1630         call_expr.
1631
1632 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1633
1634         PR Ada/35186
1635         * config/i386/i386-modes.def: Revert the last DI alignment
1636         change until Ada people can look into it.
1637
1638 2008-02-19  Nick Clifton  <nickc@redhat.com>
1639
1640         * opts.c (print_specific_help): Fix typo in --help text.
1641
1642 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1643
1644         PR target/35239
1645         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1646         32-bit inline asm without asm alternatives for host GCC < 3.0.
1647
1648 2008-02-19  Richard Guenther  <rguenther@suse.de>
1649
1650         PR tree-optimization/34989
1651         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1652         Allow propagation to INDIRECT_REF if we can simplify only.
1653
1654 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1655
1656         * c-common.c (warn_for_collisions_1): Use appropriate option when
1657         warning.
1658
1659 2008-02-19  Nick Clifton  <nickc@redhat.com>
1660
1661         PR other/31349
1662         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1663         (handle_options): Fix indentation.
1664         (print_filtered_help): If no language-specific options were
1665         displayed tell the user how to list all the options supported by
1666         the language's front-end.
1667         (print_specific_help): Fix indentation and remove duplicate line.
1668         (common_handle_option): Handle the -v option.
1669         For --help enable the display of undocumented options if the -v
1670         switch has been included on the command line.
1671         For --help= check for overlaps in the arguments between the option
1672         classes and the language names and issue a warning when they
1673         cannot be disambiguated.
1674         * c.opt (v): Pass on to the common option handler.
1675
1676 2008-02-19  Revital Eres  <eres@il.ibm.com>
1677
1678         * modulo-sched.c (sms_schedule): Change dump message when
1679         create_ddg function fails.
1680         (try_scheduling_node_in_cycle): Rename row to cycle.
1681         (print_partial_schedule): Rename CYCLE to ROW.
1682
1683 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1684             Zdenek Dvorak  <ook@ucw.cz>
1685
1686         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1687
1688 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         PR target/33555
1691         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1692         (*x86_movdicc_0_m1_se): Ditto.
1693
1694 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1695
1696         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1697         (CMPtype): Define as __gcc_CMPtype.
1698         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1699         (CMPtype): Define as __gcc_CMPtype.
1700
1701 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1702
1703         Support valgrind 3.3 for --enable-checking=valgrind.
1704         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1705         here.
1706         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1707         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1708         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1709         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1710         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1711         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1712         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1713         respectively.
1714         * ggc-zone.c: Similar.
1715         * ggc-page.c: Similar.
1716
1717 2008-02-19  Paul Brook  <paul@codesourcery.com>
1718
1719         PR target/35071
1720         * config/arm/ieee754-df.S: Fix do_it typo.
1721         * config/arm/ieee754-sf.S: Fix do_it typo.
1722
1723 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         PR target/35189
1726         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1727         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1728         (OPTION_MASK_ISA_SSE_SET): Likewise.
1729         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1730         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1731         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1732         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1733         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1734         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1735         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1736         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1737         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1738         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1739         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1740         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1741         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1742         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1743         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1744         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1745         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1746         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1747         (OPTION_MASK_ISA_SSE4): Removed.
1748         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1749         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1750         -mXXX.
1751         (override_options): Don't turn on implied SSE/MMX bits in
1752         ix86_isa_flags.
1753
1754 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1755
1756         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1757         32bit host.
1758
1759 2008-02-18  Joey Ye  <joey.ye@intel.com>
1760
1761         PR middle-end/34921
1762         * tree-nested.c (insert_field_into_struct): Set type alignment
1763         to field alignment if the former is less than the latter.
1764
1765 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1766
1767         * BASE-VER: Set to 4.4.0.
1768
1769 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1770
1771         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1772         * doc/cfg.texi: Likewise.
1773         * doc/extend.texi: Likewise.
1774         * doc/gty.texi: Likewise.
1775         * doc/invoke.texi: Likewise.
1776         * doc/loop.texi: Likewise.
1777         * doc/md.texi: Likewise.
1778         * doc/passes.texi: Likewise.
1779         * doc/rtl.texi: Likewise.
1780         * doc/sourcebuild.texi: Likewise.
1781         * doc/tm.texi: Likewise.
1782         * doc/tree-ssa.texi: Likewise.
1783
1784 2008-02-17  Richard Guenther  <rguenther@suse.de>
1785
1786         PR middle-end/35227
1787         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1788         without default definition.
1789
1790 2008-02-17  Richard Guenther  <rguenther@suse.de>
1791
1792         PR tree-optimization/35231
1793         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1794         if A | B != 1.
1795
1796 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1797
1798         Revert:
1799
1800         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1801         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1802         libgcc_cmp_return mode.
1803
1804 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1805
1806         PR c/28368
1807         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1808
1809 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1810
1811         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1812         multilibs.
1813
1814 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1815
1816         * doc/c-tree.texi: Use `@.' where appropriate.
1817         * doc/extend.texi: Likewise.
1818         * doc/install.texi: Likewise.
1819         * doc/invoke.texi: Likewise.
1820         * doc/loop.texi: Likewise.
1821         * doc/makefile.texi: Likewise.
1822         * doc/md.texi: Likewise.
1823         * doc/passes.texi: Likewise.
1824         * doc/standards.texi: Likewise.
1825         * doc/tm.texi: Likewise.
1826
1827 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1828
1829         PR middle-end/35196
1830         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1831         in entry_bb.
1832         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1833         rather than in entry_bb.
1834
1835 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1836
1837         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1838         libgcc_cmp_return mode.
1839
1840 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1841
1842         PR middle-end/35130
1843         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1844         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1845
1846 2008-02-15  Richard Guenther  <rguenther@suse.de>
1847             Zdenek Dvorak  <ook@ucw.cz>
1848
1849         PR tree-optimization/35164
1850         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1851         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1852         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1853         Only propagate addresses which do not have abnormal SSA_NAMEs
1854         in their operands.
1855
1856 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1857
1858         PR target/35088
1859         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1860
1861 2008-02-15  Jan Hubicka  <jh@suse.cz>
1862
1863         PR middle-end/35149
1864         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1865
1866 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         PR middle-end/34621
1869         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1870         when calculating alignment_pad.
1871
1872 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1873
1874         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1875         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1876         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1877         and STACK_BOUNDARY define.
1878
1879 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1880
1881         PR preprocessor/35061
1882         * c-pragma.c (handle_pragma_pop_macro): Check that
1883         pushed_macro_table has been allocated.
1884
1885 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1886
1887         PR middle-end/35136
1888         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1889         (force_gimple_operand): Likewise.
1890         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1891         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1892         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1893         (find_interesting_uses_address): Check addressability and alignment
1894         of the base expression only after substituting bases of IVs into it.
1895
1896 2008-02-14  Michael Matz  <matz@suse.de>
1897
1898         PR target/34930
1899         * function.c (instantiate_virtual_regs_in_insn): Reload address
1900         before falling back to reloading the whole operand.
1901
1902 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1903
1904         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1905         before the first section switch note.
1906
1907 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1908
1909         * doc/bugreport.texi: Update copyright years.
1910         * doc/c-tree.texi: Likewise.
1911         * doc/cfg.texi: Likewise.
1912         * doc/cpp.texi: Likewise.
1913         * doc/cppinternals.texi: Likewise.
1914         * doc/fragments.texi: Likewise.
1915         * doc/frontends.texi: Likewise.
1916         * doc/gcc.texi: Likewise.
1917         * doc/gty.texi: Likewise.
1918         * doc/hostconfig.texi: Likewise.
1919         * doc/implement-c.texi: Likewise.
1920         * doc/libgcc.texi: Likewise.
1921         * doc/loop.texi: Likewise.
1922         * doc/makefile.texi: Likewise.
1923         * doc/options.texi: Likewise.
1924         * doc/passes.texi: Likewise.
1925         * doc/rtl.texi: Likewise.
1926         * doc/sourcebuild.texi: Likewise.
1927         * doc/standards.texi: Likewise.
1928         * doc/tree-ssa.texi: Likewise.
1929         * doc/trouble.texi: Likewise.
1930
1931         * doc/extend.texi: Use @: or add comma where appropriate.
1932         * doc/invoke.texi: Likewise.
1933         * doc/tm.texi: Likewise.
1934
1935 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1936
1937         PR target/34393
1938         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1939         to a reg.
1940
1941 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1942
1943         * doc/md.texi (clz, ctz): Add reference.
1944         * doc/rtl.texi (clz, ctz): Likewise.
1945
1946 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1947
1948         PR other/35148
1949         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1950         srcdir.
1951
1952 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1953
1954         * config/s390/s390.c (struct constant_pool): New field
1955         emit_pool_after added.
1956         (s390_mainpool_start): Set the emit_pool_after flag according
1957         to the section switch notes.
1958         (s390_mainpool_finish): Consider emit_pool_after when emitting
1959         the literal pool at the end of the function.
1960         (s390_chunkify_start): Force literal pool splits at section
1961         switch notes.
1962
1963 2008-02-13  Michael Matz  <matz@suse.de>
1964
1965         PR debug/35065
1966         * var-tracking.c (clobber_variable_part): Correctly traverse the
1967         list.
1968
1969 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1970
1971         PR 29673
1972         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1973         Add -fdump-ipa-inline.
1974         * tree-dump.c (dump_files): Remove tree-inlined dump.
1975         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1976
1977 2008-02-12  Richard Guenther  <rguenther@suse.de>
1978
1979         PR tree-optimization/35171
1980         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1981         default defs.
1982
1983 2008-02-12  Richard Guenther  <rguenther@suse.de>
1984
1985         PR middle-end/35163
1986         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1987         value-preserving mode.  Disallow final truncation.
1988
1989 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1990
1991         PR middle-end/35136
1992         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1993         code from here to...
1994         (force_gimple_operand): ...here.
1995
1996 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1997
1998         PR c++/35144
1999         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2000         non-compatible pointers.
2001         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2002         different FIELD_DECLs, try harder by comparing field offsets, sizes
2003         and types.
2004
2005         PR inline-asm/35160
2006         * function.c (match_asm_constraints_1): Don't replace the same input
2007         multiple times.
2008
2009 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2010
2011         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2012         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2013         (expand_epilogue): Restore RAMPZ register.
2014         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2015
2016 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2017
2018         * config/i386/cygwin.asm: (__alloca): Correct calling
2019         convention and alignment.
2020         (__chkstk): Force 8 byte stack alignment.
2021
2022 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2023             Richard Guenther  <rguenther@suse.de>
2024
2025         PR tree-optimization/33992
2026         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2027         the zero we compare against.
2028
2029 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2030
2031         PR libfortran/35063
2032         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2033         to CloseHandle after unlocking to prevent accumulation of handle
2034         count.
2035
2036 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2037
2038         PR middle_end/34150
2039         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2040         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2041         and update LABEL_NUSES during and after reload.
2042
2043 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2044
2045         PR middle-end/34627
2046         * combine.c (simplify_if_then_else): Make sure the comparison is
2047         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2048
2049 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2050
2051         PR bootstrap/35051
2052         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2053         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2054         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2055         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2056         * tree.h (get_type_static_bounds): Likewise.
2057
2058 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2059
2060         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2061         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2062         Make -Wfoo language annotations match what the compiler outputs.
2063
2064 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2065
2066         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2067         intrinsics spu_convts, spu_convtu, spu_convtf.
2068         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2069
2070 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2071
2072         * doc/extend.texi (Function Attributes) <noinline>: Mention
2073         asm ("") as method to keep calls.
2074
2075 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2076
2077         PR other/32754
2078         * doc/options.texi (Options): Replace references to opts.sh with
2079         optc-gen.awk.
2080         * opts-common.c: Likewise.
2081         * optc-gen.awk: Likewise.
2082
2083 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2084
2085         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2086
2087 2008-02-07  Richard Henderson  <rth@redhat.com>
2088
2089         PR rtl-opt/33410
2090         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2091         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2092         funny mode.
2093
2094 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2095
2096         PR tree-optimization/35085
2097         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2098         for operand entry oe2 in addition to operand entry oe3 in order to
2099         expose more opportunities for vectorizer sum reduction.
2100
2101 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2102
2103         PR other/35107
2104         * Makefile.in (LIBS): Remove $(GMPLIBS).
2105         (cc1-dummy, cc1): Add $(GMPLIBS).
2106
2107 2008-02-06  Jan Hubicka  <jh@suse.cz>
2108
2109         PR target/23322
2110         * i386.md (moddf_integer): Do not produce partial memory stalls for
2111         targets where it hurts.
2112
2113 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         PR target/35083
2116         * optabs.c (expand_float): Do not check for decimal modes when
2117         expanding unsigned integer through signed conversion.
2118
2119 2008-02-06  Nick Clifton  <nickc@redhat.com>
2120
2121         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2122         inside the clobber with a match_operand and duplicated operand
2123         number in the constraint.
2124         (ineqbranchsi): Delete redundant comment.
2125
2126 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2127
2128         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2129         builtin_define ("__USE_INIT_FINI__").
2130         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2131         -msx multilibs.
2132         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2133
2134 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2135
2136         PR documentation/30330
2137         * doc/invoke.texi (C++ Dialect Options)
2138         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2139         For each warning option -Wfoo that allows -Wno-foo, ensure both
2140         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2141         entry of -Wswitch-default, index -Wnormalized= including the
2142         `=', and -Wlarger-than-@var{len} including @var{len}.
2143
2144 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2145
2146         * config/i386/i386.md (floatunssisf2): Use
2147         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2148         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2149         Macroize expander using MODEF mode iterator.
2150
2151 2008-02-05  Diego Novillo  <dnovillo@google.com>
2152
2153         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2154
2155         PR 33738
2156         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2157
2158 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2159
2160         PR other/35070
2161         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2162
2163 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2164
2165         PR target/35084
2166         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2167         to indicate if a message should be generated.
2168         (init_cumulative_args): Updated.
2169         (function_value_32): Likewise.
2170
2171 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2172
2173         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2174
2175 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2176
2177         PR target/35083
2178         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2179         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2180
2181 2008-02-04  Diego Novillo  <dnovillo@google.com>
2182
2183         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2184
2185         PR 33738
2186         * tree-vrp.c (vrp_evaluate_conditional): With
2187         -Wtype-limits, emit a warning when comparing against a
2188         constant outside the natural range of OP0's type.
2189
2190 2008-02-04  Richard Guenther  <rguenther@suse.de>
2191
2192         PR middle-end/33631
2193         * expr.c (count_type_elements): Give for unions instead of
2194         guessing.
2195
2196 2008-02-04  Richard Guenther  <rguenther@suse.de>
2197
2198         PR middle-end/35043
2199         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2200         to TYPE_DOMAINs base type instead of using bitsizetype here.
2201
2202 2008-02-03  Jason Merrill  <jason@redhat.com>
2203
2204         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2205
2206 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2207
2208         PR other/29972
2209         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2210         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2211         (RS/6000 and PowerPC Options): Fix typos and markup.
2212         * doc/passes.texi (Tree-SSA passes): Likewise.
2213
2214 2008-02-02  Michael Matz  <matz@suse.de>
2215
2216         PR target/35045
2217         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2218         from record_last_reg_set_info.
2219         (record_last_reg_set_info): Take an RTX argument, iterate over all
2220         constituent hardregs.
2221         (record_last_set_info, record_opr_changes): Change calls to
2222         new signature or to record_last_reg_set_info_regno.
2223
2224 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2225
2226         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2227
2228 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2229
2230         PR rtl-optimization/34773
2231         * reg-notes.def (EQUAL): Mention significance of combination of
2232         REG_EQUAL and REG_RETVAL.
2233         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2234         insn that has a REG_RETVAL.
2235
2236 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2237
2238         PR bootstrap/33781
2239         * configure.ac (--enable-fixed-point): Disable unless explicitly
2240         requested on IRIX.
2241         * configure: Regenerate.
2242
2243 2008-02-01  Richard Guenther  <rguenther@suse.de>
2244
2245         PR other/35042
2246         * invoke.texi (-finline-limit): Remove no longer true parts
2247         of the documentation.  Note that there is no default value.
2248
2249 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2250             Mark Mitchell  <mark@codesourcery.com>
2251             Ben Elliston  <bje@au.ibm.com>
2252
2253         PR c/29326
2254         * doc/extend.texi (Other Builtins): Document.
2255
2256 2008-01-31  Tom Browder <tom.browder@gmail.com>
2257
2258         * doc/c-tree.texi (Types): Fix grammar.
2259         (Expression trees): Ditto.
2260         * doc/passes.texi (Tree-SSA passes): Ditto.
2261
2262         * doc/configterms.texi (Configure Terms): Fix typo.
2263         * doc/cpp.texi (Common Predefined Macros): Ditto.
2264         * doc/md.texi (Machine Constraints): Ditto.
2265
2266         * doc/makefile.texi (Makefile): Add comma.
2267
2268 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2269             Gerald Pfeifer  <gerald@pfeifer.com>
2270
2271         * doc/sourcebuild.texi (Front End): Remove references to CVS
2272         and CVSROOT/modules.
2273         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2274         (Back End): Remove reference to CVS.
2275
2276 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2277
2278         PR target/34900
2279         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2280         comment from...
2281         (mips16_gp_pseudo_reg): ...here.
2282         * config/mips/mips.md (load_const_gp): Replace with...
2283         (load_const_gp_<mode>): ...this :P-based insn.
2284
2285 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2286
2287         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2288         options. Minor fixes.
2289         (-std): Move reference to standards closer to where language
2290         standards are first mentioned.
2291
2292 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2293
2294         PR rtl-optimization/34995
2295         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2296         parameter and return a bool.  If the rtx parameter is nonnull,
2297         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2298         (find_reloads): Update call accordingly.  Pass the new operand
2299         if it needed no address reloads, otherwise pass null.
2300
2301 2008-01-30  Richard Henderson  <rth@redhat.com>
2302
2303         PR c/34993
2304         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2305         for unbounded arrays.
2306
2307 2008-01-30  Silvius Rus  <rus@google.com>
2308
2309         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2310
2311 2008-01-30  Jan Hubicka  <jh@suse.cz>
2312
2313         PR target/34982
2314         * i386.c (init_cumulative_args): Use real function declaration when
2315         calling locally.
2316
2317 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2318
2319         PR rtl-optimization/34998
2320         * global.c (build_insn_chain): Treat non-subreg_lowpart
2321         SUBREGs of pseudos as clobbering all the words covered by the
2322         SUBREG, not just all the bytes.
2323         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2324         original df_ref rather than an extract parameter.
2325         (global_conflicts): Update call accordingly.
2326
2327 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2328
2329         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2330         the overflow check to make it easier to read.
2331         (__fixtfdi): Change the type of the ll member in union
2332         long_double to UDItype_x.
2333
2334 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR middle-end/34969
2337         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2338         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2339         * tree-inline.c (fold_marked_statements): Call
2340         cgraph_update_edges_for_call_stmt if folding a call statement.
2341         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2342         debug_generic_stmt calls, reset it back afterwards.
2343
2344         PR c/35017
2345         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2346         static decls.
2347         * c-typeck.c (build_external_ref): Don't pedwarn about
2348         static vars in current function's scope.
2349
2350 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2351
2352         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2353
2354 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2355
2356         PR c/35002
2357         * ipa-struct-reorg.c: Fix spelling.
2358         * params.def: Ditto.
2359
2360 2008-01-29  Richard Guenther  <rguenther@suse.de>
2361
2362         PR middle-end/35006
2363         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2364         field.
2365         * tree-inline.c (remap_type): Increment remapping_type_depth
2366         around remapping types.
2367         (copy_body_r): Only add referenced variables if they are referenced
2368         from code, not types.
2369
2370 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2371
2372         PR c++/34055
2373         PR c++/34103
2374         PR c++/34219
2375         PR c++/34606
2376         PR c++/34753
2377         PR c++/34754
2378         PR c++/34755
2379         PR c++/34919
2380         PR c++/34961
2381         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2382         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2383
2384 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2385
2386         PR target/34412
2387         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2388         pointer for tiny stack.
2389
2390 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2391
2392         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2393
2394 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2395
2396         * config/vx-common.h: Fix typo in comment.
2397
2398 2008-01-28  Ian Lance Taylor  <iant@google.com>
2399
2400         PR c++/34862
2401         PR c++/33407
2402         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2403         coalesce pointers if they have different DECL_NO_TBAA_P values.
2404         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2405         between variables with different DECL_NO_TBAA_P values.
2406
2407 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2408
2409         PR 31535
2410         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2411         are not legitimate small data references on SPE targets.
2412
2413 2008-01-28  David Daney  <ddaney@avtrex.com>
2414
2415         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2416
2417 2008-01-28  David Daney  <ddaney@avtrex.com>
2418
2419         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2420
2421 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2422
2423         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2424         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2425         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2426         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2427         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2428         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2429         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2430         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2431
2432 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2433
2434         * basic-block.h (condjump_equiv_p): Fix comment.
2435
2436 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2437
2438         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2439         print_generic_stmt_indented): Fix comment.
2440
2441 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2442
2443         * configure.ac (__stack_chk_fail): Add detecion for availability
2444         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2445         * configure: Regenerate.
2446
2447 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2448
2449         PR middle-end/34688
2450         * final.c (output_addr_const): Handle TRUNCATE.
2451
2452 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2453
2454         PR target/34711
2455         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2456         (zero_cost, infinite_cost): New constants.
2457         (struct cost_pair): Change type of cost to comp_cost.
2458         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2459         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2460         New functions.
2461         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2462         split_address_cost, ptr_difference_cost, difference_cost,
2463         get_computation_cost_at, get_computation_cost,
2464         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2465         determine_use_iv_cost_condition, determine_use_iv_costs,
2466         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2467         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2468         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2469         Change type of cost to comp_cost.
2470         (determine_iv_cost): Increase cost of non-original ivs, instead
2471         of decreasing the cost of original ones.
2472         (get_address_cost): Indicate the complexity of the addressing mode
2473         in comp_cost.
2474         (try_add_cand_for): Prefer using ivs not specific to some object.
2475         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2476
2477 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2478             Janis Johnson  <janis187@us.ibm.com>
2479
2480         PR target/34814
2481         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2482         (TARGET_INSTANTIATE_DECLS): Likewise.
2483         * target.h (expand_to_rtl_hook): New target hook.
2484         (instantiate_decls): Likewise.
2485         * function.c (instantiate_decl): Make non-static.  Rename to...
2486         (instantiate_decl_rtl): ... this.
2487         (instantiate_expr): Use instantiate_decl_rtl.
2488         (instantiate_decls_1): Likewise.
2489         (instantiate_decls): Likewise.
2490         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2491         * function.h (instantiate_decl_rtl): Add prototype.
2492         * cfgexpand.c (target.h): New include.
2493         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2494         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2495         (TARGET_INSTANTIATE_DECLS): Likewise.
2496         (TARGET_INITIALIZER): New target hooks added.
2497         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2498         New prototype.
2499         * config/rs6000/rs6000.c (tree-flow.h): New include.
2500         (machine_function): Add sdmode_stack_slot field.
2501         (rs6000_alloc_sdmode_stack_slot): New function.
2502         (rs6000_instantiate_decls): Likewise.
2503         (rs6000_secondary_memory_needed_rtx): Likewise.
2504         (rs6000_check_sdmode): Likewise.
2505         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2506         (TARGET_INSTANTIATE_DECLS): Likewise.
2507         (rs6000_hard_regno_mode_ok): Allow SDmode.
2508         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2509         (rs6000_emit_move): Handle SDmode.
2510         (function_arg_advance): Likewise.
2511         (function_arg): Likewise.
2512         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2513         SDmode var args for 32-bit compiles.
2514         (rs6000_secondary_reload_class): Handle SDmode.
2515         (rs6000_output_function_epilogue): Likewise.
2516         (rs6000_function_value): Simplify if statement.
2517         (rs6000_libcall_value): Likewise.
2518         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2519         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2520         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2521         (movsd_hardfloat): New define_insn.
2522         (movsd_softfloat): Likewise.
2523         (movsd_store): Likewise.
2524         (movsd_load): Likewise.
2525         (extendsddd2): Likewise.
2526         (extendsdtd2): Likewise.
2527         (truncddsd2): Likewise.
2528         (movdd_hardfloat64): Fixup comment.
2529         (UNSPEC_MOVSD_LOAD): New constant.
2530         (UNSPEC_MOVSD_STORE): Likewise.
2531
2532 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2533
2534         PR c++/34965
2535         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2536         TRUTH_XOR_EXPR.
2537         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2538         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2539         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2540         and TRUTH_XOR_EXPR.
2541
2542 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2543
2544         PR target/34794
2545         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2546         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2547         __LONGDOUBLE128 too.
2548         * config/rs6000/aix61.h: New file.
2549
2550 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2551
2552         PR rtl-optimization/34959
2553         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2554         popcount and parity rtxes the same mode as their operand.
2555         Truncate or extend the result to the return value's mode
2556         if necessary.
2557
2558 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2559
2560         PR target/34981
2561         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2562         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2563         to GOT_VERSION_REGNUM.
2564         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2565         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2566         * config/mips/mips.c (mips_emit_call_insn): New function.
2567         (mips_call_tls_get_addr): Call mips_expand_call directly.
2568         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2569         emit_call_insn.
2570         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2571         (mips_expand_call): Update the call to mips16_build_call_stub
2572         accordingly and a remove redundant condition.  Assert that MIPS16
2573         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2574         the call insn.
2575         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2576         TARGET_USE_GOT.
2577         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2578         (mips_avoid_hazard): Remove hazard_set handling.
2579         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2580         (UNSPEC_RESTORE_GP): ...this.
2581         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2582         (FAKE_CALL_REGNO): Rename to...
2583         (GOT_VERSION_REGNUM): ...this.
2584         (type): Add "ghost" value.  Add an associated insn reservation.
2585         (hazard_set): Remove.
2586         (exception_receiver): Rename to...
2587         (restore_gp): ...this and update the unspec identifier accordingly.
2588         (exception_receiver, nonlocal_got_receiver): New expanders.
2589         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2590         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2591         (set_got_version, update_got_version): New patterns.
2592
2593 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2594
2595         PR target/34970
2596         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2597
2598 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2599
2600         PR other/31955
2601         * doc/install.texi2html: Generate gcc-vers.texi.
2602
2603 2008-01-25  DJ Delorie  <dj@redhat.com>
2604
2605         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2606
2607 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2608
2609         * config/c4x: Remove directory.
2610         * config.gcc (crx-*, mt-*): Mark obsolete.
2611         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2612         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2613         sh-*-rtemscoff*): Remove cases.
2614         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2615         * real.c (encode_c4x_single, decode_c4x_single,
2616         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2617         c4x_extended_format): Remove.
2618         * real.h (c4x_single_format, c4x_extended_format): Remove.
2619         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2620         on C4x.
2621         (Pragmas): Remove comment about c4x pragmas.
2622         * doc/install.texi (c4x): Remove target-specific instructions.
2623         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2624         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2625         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2626         refer to C4x source files as examples.
2627         (C4X_FLOAT_FORMAT): Remove documentation.
2628
2629 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2630
2631         * config/bfin/bfin.c (override_options): Reorder tests so that
2632         flag_pic gets enabled for -msep-data.
2633
2634 2008-01-25  Richard Guenther  <rguenther@suse.de>
2635
2636         PR middle-end/32244
2637         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2638         to its bitfield precision if required.
2639
2640 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2641
2642         PR middle-end/33880
2643         * tree-nested.c (walk_omp_for): New function.
2644         (convert_nonlocal_reference, convert_local_reference): Call
2645         walk_omp_for on OMP_FOR.
2646         (convert_call_expr): Call walk_body on OMP_FOR's
2647         OMP_FOR_PRE_INIT_BODY.
2648
2649 2008-01-25  Richard Guenther  <rguenther@suse.de>
2650
2651         PR tree-optimization/34966
2652         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2653         default defs and PHI_NODEs we have to insert after the
2654         defining statement.
2655
2656 2008-01-24  Nick Clifton  <nickc@redhat.com>
2657
2658         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2659         Provide a default definition.
2660         (LIBGCC2_UNITS_PER_WORD): Likewise.
2661
2662         * config/stormy16/stormy16.c: Include df.h for the prototype
2663         for df_regs_ever_live_p.
2664         (xstormy16_expand_builtin_va_start): Convert the stack offset
2665         into a component_ref and then use POINTER_PLUS_EXPR to add it
2666         to the incoming_virtual_args_rtx.
2667         (xstormy16_gimplify_va_arg_expr): Rename to
2668         xstormy16_gimplify_va_arg_expr.
2669         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2670         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2671         xstormy16_gimplify_va_arg_expr.
2672         Fix up some formatting issues.
2673
2674         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2675         Move to predicates.md.
2676         (xs_hi_general_operand): Likewise.
2677         (xs_hi_nonmemory_operand): Likewise.
2678         * config/stormy16/predicates.md:
2679         (xstormy16_carry_plus_operand): New predicate.
2680         (xs_hi_general_operand): New predicate.
2681         (xs_hi_nonmemory_operand): New predicate.
2682         * config/stormy16/stormy16-protos.h:
2683         (xstormy16_carry_plus_operand): Delete prototype.
2684         (xs_hi_general_operand): Likewise.
2685         (xs_hi_nonmemory_operand): Likewise.
2686
2687         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2688         modifiers as they are no longer needed and they can trigger
2689         reload spill failures.
2690
2691         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2692         with a match_operand in order to help reload.
2693
2694         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2695         constraint with 'e' for the 8th alternative as this version of
2696         the mov.w instruction only accepts the lower 8 registers.
2697
2698 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2699
2700         PR target/34856
2701         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2702         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2703         vector elements.
2704
2705 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR middle-end/33333
2708         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2709
2710 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2711
2712         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2713         New functions.
2714         (remove_structure): Update allocations list before removing structure.
2715
2716 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2717
2718         * ipa-struct-reorg.c (is_safe_cond_expr,
2719         create_new_stmts_for_cond_expr): Use integer_zerop function,
2720         that recognize not only zero-pointer, but zero-integer too.
2721
2722 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2723
2724         PR other/22232
2725         * fixproto: Escape "." in sed expression that strips leading "./".
2726
2727 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2728
2729         PR driver/34904
2730         * gcc.c (SWITCH_OK): Removed.
2731         (SWITCH_LIVE): Changed to bit.
2732         (SWITCH_FALSE): Likewise.
2733         (SWITCH_IGNORE): Likewise.
2734         (switchstr): Change live_cond to unsigned int.
2735         (process_command): Replace SWITCH_OK with 0.
2736         (do_self_spec): Likewise.
2737         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2738         (give_switch): Likewise.
2739         (used_arg): Likewise.
2740         (do_spec_1): Set the SWITCH_IGNORE bit.
2741         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2742         bits.  Set the SWITCH_LIVE bit.
2743
2744 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2745
2746         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2747
2748 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2749
2750         PR tree-optimization/34472
2751         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2752         parameter to a "bool *" and set *DATA to false if there is
2753         an unsafe access.  Do not delete the structure here.
2754         (check_cond_exprs): Delete it here instead.
2755         (check_cond_exprs, exclude_cold_structs): Do not increase
2756         I when removing a structure.
2757
2758 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2759
2760         PR target/34856
2761         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2762         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2763
2764 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR middle-end/34934
2767         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2768         a fixed vector for stack.
2769
2770 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2771
2772         PR c++/25701
2773         * doc/gcc.texi (Software development): Add a direntry for g++.
2774
2775 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2776
2777         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2778         stale and straggling -fforce-addr comments above.
2779
2780         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2781         define.
2782         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2783         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2784
2785 2008-01-23  Michael Matz  <matz@suse.de>
2786
2787         PR debug/34895
2788         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2789         gen_type_die.
2790
2791 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2792
2793         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2794         malloc result type.
2795
2796 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2797
2798         * config/avr/avr.c (avr_current_arch): New variable.
2799         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2800         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2801         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2802         (avr_override_options): Init 'avr_current_arch'.
2803         (base_arch_s): Move from here...
2804         * config/avr/avr.h (base_arch_s): ... here. Add new members
2805         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2806         'mega' to 'have_jmp_call'.
2807         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2808         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2809         macros.
2810         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2811         architectures.
2812         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2813         MULTILIB_MATCHES): (Ditto.).
2814
2815 2008-01-23  Richard Guenther  <rguenther@suse.de>
2816
2817         PR middle-end/31529
2818         * cgraphunit.c (cgraph_reset_node): Always mark the node
2819         not reachable if it is not queued already.
2820
2821 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2822
2823         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2824         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2825         (cputype_selected): New static variable.
2826         (bfin_handle_option): Set it if -mcpu is used.
2827         (override_option): Select default set of workarounds if no cpu type
2828         selected on the command line.
2829         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2830
2831         From  Michael Frysinger  <michael.frysinger@analog.com>
2832         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2833         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2834
2835         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2836         for bf547, bf523, bf524, and bf526.
2837         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2838         bf526.
2839         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2840         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2841         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2842         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2843         * doc/invoke.texi (Blackfin Options): Document that
2844         -mcpu now accept bf547, bf523, bf524, and bf526.
2845
2846 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2847
2848         PR rtl-optimization/34628
2849         * combine.c (try_combine): Stop and undo after the first combination
2850         if an autoincrement side-effect on the first insn has effectively
2851         been lost.
2852
2853 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2854
2855         PR target/34529
2856         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2857         Offset addresses are not valid for Altivec or paired float modes.
2858
2859 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2860
2861         PR c++/34607
2862         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2863         if DECL_INITIAL (decl) is error_mark_node.
2864
2865         PR c++/34914
2866         * c-common.c (handle_vector_size_attribute): Only allow
2867         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2868         the same way as pointer, array etc. types.
2869         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2870
2871         PR c++/34917
2872         * tree.c (build_type_attribute_qual_variant): Call
2873         build_qualified_type if attributes are equal, but quals are not.
2874
2875 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2876
2877         PR 32102
2878         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2879         * flags.h (warn_strict_aliasing): Remove.
2880         (warn_strict_overflow): Remove.
2881         * opts.c (warn_strict_aliasing): Remove.
2882         (warn_strict_overflow): Remove.
2883         * c-opts.c (c_common_handle_option): -Wall only sets
2884         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2885         (c_common_post_options): Give default values to -Wstrict-aliasing
2886         and -Wstrict-overflow if they are uninitialized.
2887         * common.opt (Wstrict-aliasing): Specify Var and Init.
2888         (Wstrict-overflow): Likewise.
2889
2890 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2891
2892         PR rtl-optimization/26854
2893         PR rtl-optimization/34400
2894         PR rtl-optimization/34884
2895         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2896         DF_RD->gen.
2897         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2898         (df_rd_bb_info.expanded_lr_out): Deleted
2899         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2900         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2901         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2902         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2903         Removed code to allocate, initialize or free expanded_lr_out.
2904         (df_rd_bb_local_compute_process_def): Restructured to make more
2905         understandable.
2906         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2907         sets if the sets are being trimmed.
2908
2909 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2910
2911         PR bootstrap/32287
2912         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2913         (as_vers): Likewise.
2914         * configure: Regenerated.
2915
2916 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2917
2918         PR middle-end/33092
2919         * tree-pass.h (pass_build_alias): New pass.
2920         * tree-ssa-alias.c (gate_build_alias): New.
2921         (pass_build_alias): New.
2922         * passes.c (init_optimization_passes): Add pass_build_alias after
2923         pass_create_structure_vars.
2924
2925 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2926
2927         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2928         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2929         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2930         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2931         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2932         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2933         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2934         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2935         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2936         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2937         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2938         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2939         * config/s390/s390.md (FP_ALL): New mode iterator.
2940         (_d): New mode attribute.
2941         ("*signbit<mode>2>"): Changed mode of first operand.
2942         ("isinf<mode>2"): Changed mode of first operand.
2943         ("*TDC_insn"): Adaptation for DFP modes.
2944
2945 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2946
2947         * tree.c (check_qualified_type): Improve function description.
2948
2949 2008-01-21  Jason Merrill  <jason@redhat.com>
2950
2951         PR c++/34196
2952         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2953         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2954         if it is set.
2955
2956 2008-01-21  DJ Delorie  <dj@redhat.com>
2957
2958         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2959         return zero.
2960
2961 2008-01-21  Richard Guenther  <rguenther@suse.de>
2962
2963         PR middle-end/34856
2964         * tree-cfg.c (verify_expr): Allow all invariant expressions
2965         instead of just constant class ones as reference argument.
2966         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2967         like any other constant.
2968         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2969
2970 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2971
2972         * regmove.c (fixup_match_1): Update call crossed frequencies.
2973
2974 2008-01-21  Richard Guenther  <rguenther@suse.de>
2975
2976         PR c/34885
2977         * tree-inline.c (setup_one_parameter): Deal with mismatched
2978         types using a VIEW_CONVERT_EXPR.
2979
2980 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2981             Olga Golovanevsky  <olga@il.ibm.com>
2982
2983         PR tree-optimization/34701
2984         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2985         when the structure size is not a power of 2.
2986
2987 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2988
2989         * doc/install.texi: Add doc for --enable-checking=df.
2990
2991 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2992
2993         PR rtl-optimization/34808
2994         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2995
2996 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2997
2998         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2999         input.
3000
3001 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3002
3003         PR rtl-optimization/26854
3004         PR rtl-optimization/34400
3005         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3006         DF_RD->gen.
3007         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3008         (df_rd_bb_info.expanded_lr_out): New.
3009         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3010         * loop_iv.c (iv_analysis_loop_init): Ditto.
3011         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3012         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3013         Added code to allocate, initialize or free expanded_lr_out.
3014         (df_rd_bb_local_compute_process_def): Restructured to make
3015         more understandable.
3016         (df_rd_confluence_n): Add code to do nothing with fake edges and
3017         code to no apply invalidate_by_call sets if the sets are being trimmed.
3018         (df_lr_local_finalize): Renamed to df_lr_finalize.
3019         (df_live_local_finalize): Renamed to df_live_finalize.
3020
3021 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3022
3023         PR target/34831
3024         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3025         deciding whether to use reciprocal instructions.
3026
3027 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3028
3029         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3030         dwarf2out_note_section_used if cold_text_section is NULL.
3031
3032 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR gcov-profile/34610
3035         * tree-cfg.c (make_edges): Mark both outgoing edges from
3036         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3037         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3038         from OMP_FOR and OMP_CONTINUE outgoing edges.
3039
3040         * tree-profile.c (tree_profiling): Return early if
3041         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3042         at the end.
3043         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3044         from cfun to child_cfun.
3045         * function.h (struct function): Add after_tree_profile bit.
3046
3047 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3048
3049         * config/avr/avr.S (_exit): Disable interrupt.
3050
3051 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3052             Steven Bosscher  <stevenb.gcc@gmail.com>
3053
3054         PR rtl-optimization/26854
3055         PR rtl-optimization/34400
3056         * df-problems.c (df_live_scratch): New scratch bitmap.
3057         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3058         (df_live_reset): Clear the proper bitmaps.
3059         (df_live_bb_local_compute): Only process the artificial defs once
3060         since the order is not important.
3061         (df_live_init): Init the df_live sets only with the variables
3062         found live by df_lr.
3063         (df_live_transfer_function): Use the df_lr sets to prune the
3064         df_live sets as they are being computed.
3065         (df_live_free): Free df_live_scratch.
3066
3067 2008-01-18  Ian Lance Taylor  <iant@google.com>
3068
3069         * common.opt: Add fmerge-debug-strings.
3070         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3071         flag_merge_debug_strings rather than flag_merge_constants.
3072         * doc/invoke.texi (Option Summary): Mention
3073         -fmerge-debug-strings.
3074         (Debugging Options): Document -fmerge-debug-strings.
3075
3076 2008-01-18  Ian Lance Taylor  <iant@google.com>
3077
3078         PR c++/33407
3079         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3080         (struct tree_function_decl): Add new field operator_new_flag.
3081         * tree-inline.c (expand_call_inline): When inlining a call to
3082         operator new, force the return value to go into a variable, and
3083         set DECL_NO_TBAA_P on that variable.
3084         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3085
3086 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3087
3088         PR debug/34484
3089         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3090         DWARF2_DEBUGGING_INFO.
3091         (dwarf2out_note_section_used): Ditto.  Add prototype.
3092         (have_multiple_function_sections, text_section_used,
3093         cold_text_section_used, *cold_text_sections): Move declarations
3094         before their uses.
3095
3096 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3097
3098         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3099         field and add signal_ra.
3100         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3101         assignments to frame state pc.  Move end of stack check after
3102         MD_FALLBACK_FRAME_STATE_FOR.
3103         (uw_update_context_1): Use frame state signal_regs if set, instead
3104         of checking signal_frame flag.
3105         (uw_update_context): Use frame state signal_ra if set.
3106         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3107         * config/xtensa/linux-unwind.h: New file.
3108
3109 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3110
3111         * modulo-sched.c (get_sched_window): Fix comment typo.
3112
3113 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3114
3115         PR tree-optimization/34648
3116         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3117
3118 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3119
3120         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3121         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3122
3123 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3124
3125         PR rtl-optimization/34400
3126         * df-core.c (df_worklist_dataflow_overeager,
3127         df_worklist_dataflow_doublequeue): New functions.
3128         (df_worklist_dataflow): Two different worklist solvers.
3129         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3130         New param.
3131
3132 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         PR testsuite/34821
3135         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3136         and ftree-parallelize-loops.
3137
3138 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3139
3140         PR rtl-optimization/34826
3141         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3142
3143 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3144
3145         * global.c (find_reg): Mark the eh regs as used if necessary.
3146         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3147         * ra.h (struct allocno): no_eh_reg field added.  Changed
3148         no_stack_reg type to bitfield.
3149
3150 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3151
3152         * tree.c (substitute_in_expr): Add missing 'break'.
3153
3154 2008-01-17  Richard Guenther  <rguenther@suse.de>
3155
3156         PR tree-optimization/34825
3157         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3158         x / x as division to handle.
3159
3160 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3161
3162         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3163         "-pthread" is specified.
3164         * pa-hpux11.h (LIB_SPEC): Likewise.
3165
3166 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3167             Peter Bergner  <bergner@vnet.ibm.com>
3168
3169         PR rtl-optimization/33796
3170         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3171
3172 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3173
3174         PR libgfortran/34699
3175         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3176         static links.
3177         * pa-hpux10.h (LINK_SPEC): Likewise.
3178         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3179
3180 2008-01-16  Richard Guenther  <rguenther@suse.de>
3181
3182         PR middle-end/32628
3183         * fold-const.c (fold_convert_const_int_from_int): Do not
3184         set overflow if that occured only because of a sign extension
3185         change when converting from/to a sizetype with the same
3186         precision and signedness.
3187
3188 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3189
3190         PR debug/34249
3191         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3192         location address to the correct place.  Update copyright year.
3193
3194 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3197         no dependences in the dependence_relations vector.
3198
3199 2008-01-16  Jan Hubicka  <jh@suse.cz>
3200
3201         PR rtl-optimization/31396
3202         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3203         * cfg.c (dump_reg_info): Print it.
3204         * regs.h (struct reg_info_t): add freq_calls_crossed.
3205         (REG_FREQ_CALLS_CROSSED): New macro.
3206         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3207         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3208         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3209         regmove_optimize): Update call crossed frequencies.
3210         * local-alloc.c (struct qty): Add freq_calls_crossed.
3211         (alloc_qty): Copute freq_calls_crossed.
3212         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3213         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3214         * ra.h (struct allocno): Add freq_calls_crossed.
3215
3216 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3219         libgomp when compiling with ftree-parallelize-loops.
3220         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3221
3222 2008-01-16  Richard Guenther  <rguenther@suse.de>
3223
3224         PR tree-optimization/34769
3225         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3226         * tree.c (int_cst_value): Instead make this function more
3227         permissive in what it accepts as valid input.  Document this
3228         function always sign-extends the value.
3229
3230 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3231             Richard Guenther  <rguenther@suse.de>
3232
3233         PR c/34668
3234         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3235         (gimple_fold_indirect_ref_rhs): ... this.
3236         (gimple_fold_indirect_ref): New function with foldings
3237         that preserve lvalueness.
3238         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3239         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3240         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3241         to fold an INDIRECT_REF, fall back to the old use of
3242         fold_indirect_ref_1.
3243
3244 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * tree-data-ref.c (subscript_dependence_tester_1): Call
3247         free_conflict_function.
3248         (compute_self_dependence): Same.
3249
3250 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3251
3252         PR debug/34249
3253         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3254         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3255         function global.
3256         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3257         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3258         for DWARF2_UNWIND_INFO targets.
3259
3260 2008-01-16  Richard Guenther  <rguenther@suse.de>
3261
3262         PR c/34768
3263         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3264         type qualifiers for function types.
3265
3266 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3267
3268         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3269         loop_iterator li from previous commit.
3270
3271 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3274
3275 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3278         (parallelize_loops): Don't parallelize irreducible components.
3279
3280 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3281
3282         PR c++/24924
3283         * c-opts (c_common_post_options): Do not enable CPP
3284         flag_pedantic_errors by default.
3285
3286 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3287
3288         PR rtl-optimization/31944
3289         * cse.c (remove_pseudo_from_table): New function.
3290         (merge_equiv_classes): Use above function to remove pseudo-registers.
3291         (invalidate): Likewise.
3292
3293 2008-01-13  Richard Guenther  <rguenther@suse.de>
3294
3295         PR middle-end/34601
3296         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3297         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3298
3299 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3300
3301         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3302         validate_change to unshare the source of the PC set.
3303
3304 2008-01-12  Jan Hubicka  <jh@suse.cz>
3305
3306         PR middle-end/32135
3307         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3308         references above array bounds.  This might trigger bounds checks for
3309         pointers to arrays.
3310
3311 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3314         new_replaceable_dependencies.
3315
3316 2008-01-12  Doug Kwan  <dougkwan@google.com>
3317
3318         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3319         instead of OPT_Wreturn_type in warning due to ignored return type
3320         qualifiers.
3321         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3322         options included in -Wextra.
3323         * c.opt: New option -Wignored_qualifiers.
3324         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3325         -Wignore_qualifiers.
3326         (-Wignored-qualifiers): Document.
3327         (-Wreturn-type): Remove description of functionality now handled
3328         by -Wignored-qualifiers.
3329
3330 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3331
3332         PR ada/33788
3333         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3334         NOP_EXPR if it is between integral types with the same precision.
3335
3336 2008-01-12  Jan Hubicka  <jh@suse.cz>
3337
3338         PR other/28023
3339         * invoke.texi (max-inline-recursive-depth): Fix default value.
3340
3341 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3342
3343         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3344         correct type.
3345
3346 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3347
3348         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3349
3350 2008-01-11  James E. Wilson  <wilson@specifix.com>
3351
3352         PR target/26015
3353         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3354
3355 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3356
3357         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3358         save/restore frame pointer register and don't use 'call-prologues'
3359         optimization in function with "OS_task" attribute.
3360
3361 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3362
3363         PR middle-end/31309
3364         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3365         when copying to memory.
3366
3367 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3368
3369         PR rtl-optimization/30905
3370         * cfgcleanup.c: Include dce.h
3371         (crossjumps_occured): New global variable.
3372         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3373         If something changed, set crossjumps_occured to true.
3374         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3375         Don't add/remove fake edges to exit here...
3376         (cleanup_cfg): ...but do it here, when crossjumping.
3377         Run a fast DCE when successful crossjumps occured in the latest
3378         iteration of try_optimize_cfg.
3379
3380 2008-01-11  Richard Guenther  <rguenther@suse.de>
3381
3382         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3383         (struct vn_unary_op_s): Likewise.
3384         (vn_reference_insert): Free old reference on hash collision.
3385
3386 2008-01-10  Raksit Ashok  <raksit@google.com>
3387
3388         PR rtl-optimization/27971
3389         * combine.c (find_split_point): Split PLUS expressions which are
3390         inside a MEM rtx, and whose first operand is complex.
3391
3392 2008-01-10  DJ Delorie  <dj@redhat.com>
3393
3394         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3395         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3396         (m32c_hard_regno_ok): Call the underlying function.
3397
3398 2008-01-10  Richard Guenther  <rguenther@suse.de>
3399
3400         PR middle-end/34683
3401         * tree-cfg.c (tree_merge_blocks): Do not go through the
3402         full-blown folding and stmt updating path if we just deal
3403         with virtual operands.
3404         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3405         test for abnormal SSA_NAMEs.
3406
3407 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3408
3409         PR middle-end/34641
3410         * reload.c (push_reload): Add assertions.  All constants from
3411         reg_equiv_constant should have been used for replacing the respective
3412         pseudo earlier.
3413         (find_reloads_address): Invoke find_reloads_address_part for
3414         constant taken from the reg_equiv_constant array.
3415
3416 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3417
3418         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3419         field (valnum) the first in the struct.  Replace bools with
3420         unit bit fields.
3421
3422 2008-01-10  Richard Guenther  <rguenther@suse.de>
3423
3424         PR tree-optimization/34651
3425         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3426         types and ordering for masking and converting.
3427
3428 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3429
3430         PR tree-optimization/34017
3431         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3432         also for PHI_NODE expressions.
3433
3434 2008-01-09  Jan Hubicka  <jh@suse.cz>
3435
3436         PR tree-optimization/34708
3437         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3438         based on number of case labels.
3439         (init_inline_once): Remove switch_cost.
3440         * tree-inline.h (eni_weights_d): Remove switch_cost.
3441
3442 2008-01-09  Richard Guenther  <rguenther@suse.de>
3443         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3444
3445         PR middle-end/30132
3446         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3447         temporary if an rvalue is ok or an lvalue is not required.
3448
3449 2008-01-09  Richard Guenther  <rguenther@suse.de>
3450
3451         PR middle-end/34458
3452         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3453         adjust return type.
3454
3455 2008-01-09  Richard Guenther  <rguenther@suse.de>
3456
3457         PR middle-end/34679
3458         * tree.c (host_integerp): Check for sizetype only if the
3459         type is an integer type.
3460
3461 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3462
3463         PR debug/26364
3464         * opts.c (decode_options): Disable inlining of functions called
3465         once if not in unit-at-a-time mode.
3466
3467 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3468
3469         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3470
3471 2008-01-08  Richard Guenther  <rguenther@suse.de>
3472
3473         PR middle-end/31863
3474         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3475         out early if the result will be unused.
3476
3477 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3478
3479         PR target/34709
3480         Revert:
3481
3482         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3483         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3484         for TARGET_RECIP.
3485
3486 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3487
3488         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3489         for vectorization tuned.
3490
3491 2008-01-08  Richard Guenther  <rguenther@suse.de>
3492
3493         PR tree-optimization/34683
3494         * tree-ssa-operands.c (operand_build_cmp): Export.
3495         * tree-ssa-operands.h (operand_build_cmp): Declare.
3496         * tree-vn.c (vuses_compare): Remove.
3497         (sort_vuses): Use operand_build_cmp.
3498         (sort_vuses_heap): Likewise.
3499         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3500         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3501         (vdefs_to_vec): Do not sort already sorted VDEFs.
3502
3503 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3504
3505         PR middle-end/34694
3506         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3507
3508 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3509
3510         PR target/34702
3511         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3512         limitations of reciprocal sequences on x86 targets.
3513
3514 2008-01-08  Richard Guenther  <rguenther@suse.de>
3515
3516         PR tree-optimization/34683
3517         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3518
3519 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3520
3521         PR target/34622
3522         * config/darwin.c (darwin_mergeable_string_section): Don't use
3523         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3524
3525 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3526
3527         PR target/34682
3528         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3529         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3530         predicates of op0 and op1 to register_operand.
3531         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3532         expander using X87MODEF mode iterator.  Change predicates of
3533         op0 and op1 to register_operand.
3534         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3535         corresponding patterns and macroize using MODEF macro.  Change
3536         predicates of op0 and op1 to register_operand and remove
3537         "m" constraint. Disparage "r" alternative with "!".
3538         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3539         macroize using X87MODEF macro.  Change predicates of op0 and op1
3540         to register_operand and remove "m" constraint.  Disparage "r"
3541         alternative with "!".
3542         (absneg splitter with memory operands): Remove.
3543         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3544         patterns and macroize using X87MODEF mode iterator.
3545         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3546         Change predicate of op1 to register_operand.
3547         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3548         for memory operands.
3549
3550 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3551
3552         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3553
3554 2008-01-07  Richard Guenther  <rguenther@suse.de>
3555
3556         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3557         fields.
3558
3559 2008-01-07  Richard Guenther  <rguenther@suse.de>
3560
3561         PR tree-optimization/34683
3562         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3563         VOPs of the needed size to save memory.  Use VEC_quick_push
3564         to save compile-time.
3565         (vdefs_to_vec): Likewise.
3566
3567 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3568
3569         * config/spu/spu.md (divdf3): Genetate inline code for double
3570         division.  The implementation doesn't handle INF or NAN, therefore it
3571         only applies when -ffinite-math-only is given.
3572
3573 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3574
3575         PR libstdc++/34680
3576         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3577         * doc/cpp.texi ([Common Predefined Macros]): Document.
3578
3579 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3580
3581         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3582         order to use commutative addition instead of subtraction.
3583
3584 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3585             Mircea Namolaru  <namolaru@il.ibm.com>
3586             Vladimir Yanovsky  <yanov@il.ibm.com>
3587             Revital Eres  <eres@il.ibm.com>
3588
3589         PR tree-optimization/34263
3590         * tree-outof-ssa.c (process_single_block_loop_latch,
3591         contains_tree_r): New functions.
3592         (analyze_edges_for_bb): Call process_single_block_loop_latch
3593         function to empty single-basic-block latch block if possible.
3594
3595 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3596
3597         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3598         for TARGET_RECIP.
3599         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3600
3601 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3602
3603         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3604
3605 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3606
3607         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3608
3609 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR tree-optimization/34618
3612         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3613         flag from T.
3614
3615 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3616
3617         PR target/34673
3618         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3619         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3620         Update copyright year.
3621
3622         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3623         Update copyright year.
3624         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3625         using NR fixup.
3626
3627 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3628
3629         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3630         edge does not point to current bb before changing need_assert.
3631
3632 2008-01-04  Richard Guenther  <rguenther@suse.de>
3633
3634         PR middle-end/34029
3635         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3636         for verifying purposes if they are is_gimple_min_invariant.
3637
3638 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3639
3640         PR tree-optimization/34448
3641         PR tree-optimization/34465
3642         * gimplify.c (gimplify_init_constructor): Add new parameter
3643         notify_temp_creation.  Use it.
3644         (gimplify_modify_expr_rhs): Take volatiles into account when
3645         optimizing constructors.
3646         Do not optimize constructors if gimplify_init_constructor will dump to
3647         memory.
3648         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3649         * gcc.c-torture/compile/pr34448.c: New.
3650
3651 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3652
3653         PR gcov-profile/34609
3654         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3655         return_slot if result is TREE_ADDRESSABLE.
3656
3657 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3658
3659         * config/mips/mips.md (sqrt_condition): Tweak comment.
3660         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3661
3662 2008-01-03  Tom Tromey  <tromey@redhat.com>
3663
3664         PR c/34457
3665         * c-common.c (c_type_hash): Handle VLAs.
3666
3667 2008-01-03  Jan Hubicka  <jh@suse.cz>
3668
3669         PR tree-optimization/31081
3670         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3671         0 when inlining and not inlining to first basic block.
3672         (remap_decl): When var is initialized to 0, don't set default_def.
3673         (expand_call_inline): Set entry_bb.
3674         * tree-inline.h (copy_body_data): Add entry_bb.
3675
3676 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3677
3678         PR c++/34619
3679         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3680         before returning.
3681
3682         PR tree-optimization/29484
3683         * tree-inline.c (inline_forbidden_p_2): New function.
3684         (inline_forbidden_p): Disallow inlining if some static var
3685         has an address of a local LABEL_DECL in its initializer.
3686         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3687         vs. inlining.
3688
3689 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3690
3691         PR tree-optimization/34635
3692         * tree-data-ref.c (add_other_self_distances): Make sure that the
3693         evolution step is constant.
3694
3695 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR middle-end/34608
3698         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3699
3700 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3701
3702         * tree-sra.c (scalarize_init): Insert the generate_element_init
3703         statements after the generate_element_zero statements.
3704
3705 2008-01-02  Richard Guenther  <rguenther@suse.de>
3706
3707         PR middle-end/34093
3708         PR middle-end/31976
3709         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3710         for very large number of operands instead of ICEing.
3711
3712 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3713
3714         PR target/34013
3715         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3716         while stack probing.
3717
3718 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3719
3720         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3721         in C++0x mode.
3722
3723 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3724
3725         PR libmudflap/26442
3726         * tree-mudflap.c (mx_register_decls): Guard warning by
3727         !DECL_ARTIFICIAL check.
3728
3729 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3730
3731         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3732         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3733         sse5_perm<mode>): Fix constraints.