gcc/ChangeLog

   1 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
   4         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
   5         * toplev.c (compile_file): Don't call it.
   6
   7 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         PR middle-end/35526
  10         * expr.c (store_expr): Call emit_block_move if the mode
  11         of "temp" RTX is BLKmode.
  12
  13 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  14             Richard Guenther  <rguenther@suse.de>
  15
  16         PR tree-optimization/31358
  17         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
  18         the step with a NULL_TREE.
  19         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
  20         to sizetype if type is a pointer type.
  21         (add_candidate_1): Don't convert the base and step to
  22         the generic type if the orginal type is a pointer type.
  23         (add_iv_value_candidates): Use sizetype for the step
  24         if type is a pointer type.
  25         (cand_value_at): Likewise.
  26         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
  27         for pointer types.
  28         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
  29         Don't convert the tem affine to the type.
  30         (add_elt_to_tree): Use sizetype for the step if a pointer.
  31         Use POINTER_PLUS_EXPR for pointers.
  32         (aff_combination_to_tree): Use sizetype for the step if a
  33         pointer.
  34
  35 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
  36
  37         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
  38         Remove commutativity hint.
  39
  40 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
  41
  42         PR c/35438
  43         PR c/35439
  44         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
  45         errorneous type.  Check that v is a VAR_DECL.
  46
  47         PR middle-end/35099
  48         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
  49
  50 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
  51
  52         PR tree-optimization/35494
  53         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
  54         may be overriden at link and run time.
  55
  56 2008-03-10  Richard Guenther  <rguenther@suse.de>
  57
  58         PR tree-optimization/34677
  59         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
  60         (poolify_tree): Likewise.
  61         (modify_expr_template): Likewise.
  62         (poolify_modify_stmt): Likewise.
  63         (insert_fake_stores): Handle all component-ref style stores
  64         in addition to INDIRECT_REF.  Also handle complex types.
  65         Do not poolify the inserted load.
  66         (realify_fake_stores): Do not rebuild the tree but only
  67         make it a SSA_NAME copy.
  68         (init_pre): Remove initialzation of modify_expr_template.
  69         Do not allocate modify_expr_node_pool.
  70         (fini_pre): Do not free modify_expr_node_pool.
  71
  72 2008-03-10  Paul Brook  <paul@codesourcery.com>
  73
  74         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
  75         to avoid conflicts.
  76
  77 2008-03-10  Paul Brook  <paul@codesourcery.com>
  78             Mark Shinwell  <shinwell@codesourcery.com>
  79
  80         * config/arm/cortex-r4.md: New.
  81         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
  82         insn attributes.
  83         * config/arm/arm.md: Include cortex-r4.md.
  84         (insn): Add smmls, sdiv and udiv values.
  85         (generic_sched): Don't use generic scheduling for Cortex-R4.
  86         (arm_issue_rate): New function.
  87         (TARGET_SCHED_ISSUE_RATE): Define.
  88
  89 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
  92
  93 2008-03-10  Richard Guenther  <rguenther@suse.de>
  94
  95         * tree-ssa-pre.c (get_sccvn_value): Simplify.
  96         (compute_avail): Do not add stmt uses to AVAIL_OUT.
  97
  98 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
  99
 100         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
 101         Set default to true.
 102
 103 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 104
 105         * c.opt (Wsynth): Deprecate.
 106         * doc/invoke.texi (Option Summary, Warning Options): Document
 107         -Wno-format-contains-nul.
 108
 109 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
 110
 111         PR target/35496
 112         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
 113         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
 114
 115 2008-03-09  Ira Rosen  <irar@il.ibm.com>
 116
 117         * config/rs6000/rs6000.c (builtin_description): Rename vector
 118         left shift operations.
 119         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
 120         (altivec_vsl<VI_char>): Rename to ...
 121         (ashl<mode>3): ... new name.
 122         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
 123         gen_ashlv4si3.
 124         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
 125
 126 2008-03-08  Richard Guenther  <rguenther@suse.de>
 127
 128         * coverage.h (tree_coverage_counter_addr): Declare.
 129         * coverage.c (tree_coverage_counter_addr): New function.
 130         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
 131         before using again.
 132         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
 133         (tree_gen_one_value_profiler): Likewise.
 134         (tree_gen_ic_profiler): Likewise.
 135         (tree_gen_average_profiler): Likewise.
 136         (tree_gen_ior_profiler): Likewise.
 137
 138 2008-03-08  Richard Guenther  <rguenther@suse.de>
 139
 140         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
 141         (vn_binary_op_insert): Likewise.
 142         (vn_unary_op_lookup): Likewise.
 143         (vn_unary_op_insert): Likewise.
 144         (vn_nary_op_lookup): Declare.
 145         (vn_nary_op_insert): Likewise.
 146         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
 147         and binary hashes, use a single obstack for unary_op_pool
 148         and binary_op_pool.
 149         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
 150         a single struct vn_nary_op_s.  Store tree code length and
 151         a variable number of operands.
 152         (struct vn_reference_op_struct): Remove unused op2.
 153         (vn_reference_op_eq): Do not compare op2.
 154         (vn_reference_op_compute_hash): Do not compute hash of op2.
 155         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
 156         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
 157         with vn_nary_op_compute_hash.
 158         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
 159         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
 160         vn_nary_op_lookup.
 161         (vn_unary_op_insert, vn_binary_op_insert): Replace with
 162         vn_nary_op_insert.
 163         (visit_unary_op): Call nary functions.
 164         (visit_binary_op): Likewise.
 165         (process_scc): Adjust for struct vn_tables_s changes.
 166         (allocate_vn_table): Likewise.
 167         (free_vn_table): Likewise.
 168         * tree-vn.c (vn_add): Call nary functions.
 169         (vn_lookup): Likewise.
 170
 171 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
 172
 173         PR target/35498
 174         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
 175         wdst back after sync_compare_and_swapqhi_internal.
 176
 177 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
 178
 179         PR target/22152
 180         * config/i386/i386-modes.def (V1DI): New vector mode.
 181         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
 182         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
 183         (MMXMODE248): Ditto.
 184         (MMXMODE): Add V1DI mode.
 185         (mmxvecsize): Change DI mode to V1DI mode.
 186         ("mov<mode>): Use MMXMODEI8 mode iterator.
 187         ("*mov<mode>_internal_rex64"): Ditto.
 188         ("*mov<mode>_internal"): Ditto.
 189         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
 190         ("mmx_sub<mode>3"): Ditto.
 191         ("mmx_adddi3"): Remove insn pattern.
 192         ("mmx_subdi3"): Ditto.
 193         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
 194         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
 195         ("mmx_ashl<mode>3"): Ditto.
 196         ("mmx_lshrdi3"): Remove insn pattern.
 197         ("mmx_ashldi3"): Ditto.
 198         * config/i386/i386.c (classify_argument): Handle V1DImode.
 199         (function_arg_advance_32): Ditto.
 200         (function_arg_32): Ditto.
 201         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
 202         mmx_addv1di3 insn pattern.
 203         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
 204         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
 205         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
 206         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
 207         Remove definitions of built-in functions.
 208         (V1DI_type_node): New node.
 209         (v1di_ftype_v1di_int): Ditto.
 210         (v1di_ftype_v1di_v1di): Ditto.
 211         (v2si_ftype_v2si_si): Ditto.
 212         (v4hi_ftype_v4hi_di): Remove node.
 213         (v2si_ftype_v2si_di): Ditto.
 214         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 215         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 216         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 217         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 218         Add new builtins using def_builtin_const.
 219         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 220         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 221         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 222         * config/i386/mmintrin.h (__v1di): New typedef.
 223         (_mm_add_si64): Cast arguments to __v1di type.
 224         (_mm_sub_si64): Ditto.
 225         (_mm_sll_pi16): Cast __count to __v4hi type.
 226         (_mm_sll_pi32): Cast __count to __v2si type.
 227         (_mm_sll_si64): Cast arguments to __v1di type.
 228         (_mm_srl_pi16): Cast __count to __v4hi type.
 229         (_mm_srl_pi32): Cast __count to __v2si type.
 230         (_mm_srl_si64): Cast arguments to __v1di type.
 231         (_mm_sra_pi16): Cast __count to __v4hi type.
 232         (_mm_sra_pi32): Cast __count to __v2si type.
 233         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 234         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 235         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 236         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 237         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 238         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 239         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 240         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 241         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 242         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 243         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 244         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 245
 246 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 247
 248         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 249
 250 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 251
 252         PR target/35373
 253         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 254         reg+const addressing for Altivec modes.  Don't generate reg+reg
 255         addressing for TFmode or TDmode quantities.
 256
 257 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
 258
 259         * c-common.c (vector_types_convertible_p): Call langhook
 260         instead of comptypes.
 261
 262 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 263
 264         PR tree-opt/35402
 265         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
 266         integral and scalar float variables which have a
 267         NULL DECL_INITIAL.
 268
 269 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
 270
 271         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
 272         dwarf_register_span hook when emitting unwind information for
 273         register-to-memory saves.
 274         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
 275         (rs6000_frame_related): Remove call to spe_synthesize_frame.
 276
 277 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
 278
 279         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
 280         for the same VAR_DECL.
 281
 282 2008-03-06  Tom Tromey  <tromey@redhat.com>
 283
 284         * treelang: Delete.
 285         * doc/standards.texi (Standards): Don't mention treelang.
 286         * doc/invoke.texi (Overall Options): Don't mention treelang.
 287         * doc/install.texi (Prerequisites): Don't mention bison or
 288         treelang.
 289         (Configuration): Don't mention treelang.
 290         (Building): Likewise.
 291         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
 292
 293 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
 294
 295         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
 296         word-extractions out of a multi-word object.
 297
 298 2008-03-06  Richard Guenther  <rguenther@suse.de>
 299
 300         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
 301         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
 302         result type and precision.
 303         * expr.c (get_inner_reference): Set unsignedp based on the result
 304         type of BIT_FIELD_REF.
 305         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
 306         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
 307         (try_instantiate_multiple_fields): Likewise.  Use the correct type
 308         for BIT_FIELD_REF.
 309         (sra_build_assignment): Likewise.
 310         (sra_build_elt_assignment): Likewise.
 311         (sra_explode_bitfield_assignment): Likewise.
 312         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
 313         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
 314         set BIT_FIELD_REF_UNSIGNED.
 315         (vectorizable_load): Likewise.
 316
 317 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 318
 319         * cse.c (cse_extended_basic_block): Invalidate artificial defs
 320         at bb start.
 321
 322 2008-03-06  Richard Guenther  <rguenther@suse.de>
 323
 324         * alias.c (struct alias_set_entry): Move has_zero_child field
 325         to pack with alias_set.
 326
 327 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 328
 329         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 330         32bit host.
 331
 332 2008-03-05  Ian Lance Taylor  <iant@google.com>
 333
 334         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
 335
 336 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
 337
 338         * fwprop.c (update_df): Support width and offset parameters of
 339         df_ref_create.
 340         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
 341         global_conflicts): Change DF_REF_EXTRACT to either
 342         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 343         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 344         * df-scan.c (df_ref_record, df_defs_record,
 345         df_ref_create_structure, df_def_record_1, df_uses_record,
 346         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 347         df_bb_refs_collect, df_entry_block_defs_collect,
 348         df_exit_block_uses_collect): Support new width and offset fields.
 349         (ref_extract_pool): New storage pool.
 350         (df_free_ref): New function.
 351         (df_reg_chain_unlink, df_free_collection_rec,
 352         df_sort_and_compress_refs): Call df_free_ref.
 353         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 354         of df_ref_extract.
 355         (df_ref_create_structure): Allocate df_ref_extract if offset and
 356         width fields are used.
 357         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 358         (df_uses_record): Get offset and width from ZERO_EXTRACT
 359         and SIGN_EXTRACT.
 360         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 361         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 362         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 363         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 364         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 365         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 366         (df_ref_extract): New structure.
 367         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 368         (df_ref_create): Add width and offset parameters.
 369
 370 2008-03-05  Richard Guenther  <rguenther@suse.de>
 371
 372         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 373         Use ranges_overlap_p.
 374         (offset_overlaps_with_access): Rename
 375         to ranges_overlap_p and move ...
 376         * tree-flow-inline.h (ranges_overlap_p): ... here.
 377
 378         * tree.h (get_inner_reference, handled_component_p): Update
 379         comments.
 380
 381         * tree.h (record_component_aliases, get_alias_set,
 382         alias_sets_conflict_p, alias_sets_must_conflict_p,
 383         objects_must_conflict_p): Move declarations ...
 384         * alias.h (record_component_aliases, get_alias_set,
 385         alias_sets_conflict_p, alias_sets_must_conflict_p,
 386         objects_must_conflict_p): ... here.
 387         Include coretypes.h.
 388         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 389
 390 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 391
 392         * cfg.c: Include tree-flow.h.
 393         (remove_edge_raw): Call redirect_edge_var_map_clear.
 394         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 395         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 396         (redirect_edge_var_map_result): New.
 397         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 398         PENDING_STMT use with redirect_edge_var_map_*.
 399         * tree-ssa.c (edge_var_maps): New definition.
 400         (redirect_edge_var_map_add): New.
 401         (redirect_edge_var_map_clear): New.
 402         (redirect_edge_var_map_dup): New.
 403         (redirect_edge_var_map_vector): New.
 404         (redirect_edge_var_map_destroy): New.
 405         (ssa_redirect_edge): Replace PENDING_STMT use with
 406         redirect_edge_var_map_*.
 407         (flush_pending_stmts): Same.
 408         (delete_tree_ssa): Destroy edge var map.
 409         * tree-flow.h (struct _edge_var_map): New.
 410         Define edge_var_map vector type.
 411         Declare redirect_edge_var_map_* prototypes.
 412         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 413         * tree-cfg.c (reinstall_phi_args): Replace
 414         PENDING_STMT use with redirect_edge_var_map_*.
 415
 416 2008-03-05  Richard Guenther  <rguenther@suse.de>
 417
 418         PR tree-optimization/35472
 419         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 420         whose single use_stmt has a overlapping set of loaded and
 421         stored symbols as that use_stmt might be a noop assignment then.
 422
 423 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 424
 425         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 426
 427 2008-03-05  Richard Guenther  <rguenther@suse.de>
 428
 429         PR c++/35336
 430         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 431         should be constants.
 432         * tree-cfg.c (verify_expr): Verify it.
 433         * fold-const.c (fold_truthop): Remove code generating
 434         BIT_FIELD_REFs of structure bases.
 435         (fold_binary): Likewise.
 436         (fold_ternary): Position and size of BIT_FIELD_REFs are
 437         always host integers.
 438         (make_bit_field_ref): Remove.
 439         (optimize_bit_field_compare): Remove.
 440         (all_ones_mask_p): Remove.
 441
 442 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 443
 444         PR gcc/33009
 445         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 446         (split_block_and_df_analyze): New. Split basic block and rebuild
 447         dataflow.
 448         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 449         SPLIT_BLOCK.
 450         (split_pattern_seq): Likewise.
 451         (erase_matching_seqs): Likewise.
 452         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 453
 454 2008-03-04  Geoff Keating  <geoffk@apple.com>
 455
 456         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 457         declaration and code.
 458         (tree_invalid_nonnegative_warnv_p): Likewise.
 459
 460 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 461
 462         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 463         examples.  Truncate option-names then causing overfull hbox.
 464
 465 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 466
 467         PR target/35222
 468         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 469         on hpux10.
 470         * configure: Rebuilt.
 471
 472 2008-03-04  Rafael Espindola  <espindola@google.com>
 473
 474         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 475         (tree_unary_nonnegative_warnv_p): New.
 476         (tree_binary_nonnegative_warnv_p): New.
 477         (tree_single_nonnegative_warnv_p): New.
 478         (tree_invalid_nonnegative_warnv_p): New.
 479         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 480
 481 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 482
 483         PR 28322
 484         * opts.c (handle_option): Postpone 'unknown option' errors only for
 485         warning options.
 486
 487 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 488
 489         PR target/35453
 490         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 491         (_SIDD_XXX): This.
 492
 493 2008-03-04  Rafael Espindola  <espindola@google.com>
 494
 495         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 496         (tree_binary_nonzero_warnv_p): New.
 497         (tree_single_nonzero_warnv_p): New.
 498         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 499
 500 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 501
 502         PR middle-end/35456
 503         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 504         transformations for modes that have signed zeros.
 505         * ifcvt.c (noce_try_abs): Ditto.
 506
 507 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 508
 509         * config/i386/i386.c (override_options): Force
 510         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 511
 512 2008-03-04  Jan Hubicka  <jh@suse.cz>
 513
 514         PR c++/35262
 515         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 516         in last commit.
 517
 518 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 519
 520         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 521         label to probe the stack.
 522
 523 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 524
 525         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 526         (__gthr_win32_mutex_destroy): Declare.
 527         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 528         __gthr_win32_mutex_destroy.
 529         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 530
 531 2008-03-03  Jan Hubicka  <jh@suse.cz>
 532
 533         PR c++/35262
 534         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 535         aggressive on inlining cold calls.
 536
 537 2008-03-03  Richard Guenther  <rguenther@suse.de>
 538
 539         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 540         struct copies into the expression table.
 541         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 542         (try_to_simplify): Likewise.
 543         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 544         integral and pointer arguments which do not change the
 545         precision to NOP_EXPRs.
 546         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 547         VIEW_CONVERT_EXPR case.
 548
 549 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 552         defined in a loop at depth 0 is invariant.
 553         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 554         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 555         be called at loop depth 0.
 556
 557 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 558
 559         PR driver/35420
 560         * gcc.c (process_command): Update copyright notice dates.
 561         * gcov.c (print_version): Likewise.
 562         * gcov-dump.c (print_version): Likewise.
 563         * mips-tfile.c (main): Likewise.
 564         * mips-tdump.c (main): Likewise.
 565
 566 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 567
 568         PR 24924
 569         * c-common.c (flag_permissive): Delete.
 570         (constant_expression_warnings): Check flags first.
 571         (constant_expression_error): New.
 572         * c-common.h (flag_permissive): Delete.
 573         (constant_expression_error): Declare.
 574         * flags.h (flag_permissive): Declare. Update description.
 575         * diagnostic.c (pedwarn): Update.
 576         (permerror): New.
 577         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 578         (permissive_error_kind): New.
 579         * toplev.c (flag_permissive): Define. Update description.
 580         * toplev.h (permissive_error_kind): Declare.
 581         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 582         (pedwarn_c90): Use pedantic_warning_kind.
 583         * c-opts.c (c_common_post_options): flag_permissive does not affect
 584         flag_pedantic_errors.
 585
 586 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 587
 588         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 589         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 590         __absvsi2, __absvDI2): Use unsigned arithmetic.
 591
 592 2008-03-02  Andi Kleen  <ak@suse.de>
 593             Richard Guenther  <rguenther@suse.de>
 594
 595         * struct-equiv.c: Remove file.
 596         * cfg_cleanup.c (condjump_equiv_p): Remove.
 597         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 598         (struct-equiv.o): Remove rule.
 599         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 600         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 601         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 602
 603 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 604
 605         * ifcvt.c (noce_process_if_block): Try to handle only the then
 606         block if the else block exists but isn't suitable.
 607
 608 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 609
 610         PR gcc/35063
 611         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 612         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 613         regression from previous patch.
 614
 615 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 616
 617         PR gcc/35063
 618         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 619         implemented.
 620         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 621         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 622         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 623         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 624         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 625         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
 626         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
 627         (__gthread_mutex_destroy_function): Rename to
 628         __gthread_mutex_destroy.
 629         * gthr-dce.h (__gthread_mutex_destroy): Call
 630         pthread_mutex_destroy.
 631         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
 632         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
 633         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
 634
 635 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 636
 637         * df-scan.c (df_ref_chain_change_bb): Simplify.
 638         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
 639         set_block_for_insn if there's any change.
 640         * df.h ((df_insn_change_bb): Fix prototype.
 641         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
 642         df_insn_change_bb, don't call set_block_for_insn.
 643         * emit-rtl.c (reorder_insns): Likewise.
 644         * haifa-sched.c (move_insn): Likewise.
 645
 646 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 647
 648         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
 649
 650 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 651
 652         * tree-flow-inline.h (next_readonly_imm_use): Return
 653         NULL_USE_OPERAND_P after the end.
 654
 655 2008-03-01  Richard Guenther  <rguenther@suse.de>
 656
 657         PR tree-optimization/35411
 658         * tree-sra.c (sra_build_assignment): Split conversion to
 659         final type to a separate statement if we are not assigning
 660         to a register.
 661
 662 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 663
 664         * fold-const.c (fold_convertible_p): Correct the logic to follow
 665         that in fold_convert().
 666
 667 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 668
 669         PR c++/35315
 670         * tree-inline.c (build_duplicate_type): When we make a
 671         duplicate type, make it unique in the canonical types system.
 672
 673 2008-02-29  Tom Tromey  <tromey@redhat.com>
 674
 675         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 676         input_file_stack_history, input_file_stack_restored): Remove.
 677         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 678         * input.h (struct file_stack): Remove.
 679         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 680         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 681         Likewise.
 682         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 683         type.
 684         (diagnostic_last_module_changed): Add 'map' argument.
 685         (diagnostic_set_last_function): Likewise.
 686         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 687         line map, not input_file_stack.
 688         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 689
 690 2008-02-29  Paul Brook  <paul@codesourcery.com>
 691
 692         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 693
 694 2008-02-29  Paul Brook  <paul@codesourcery.com>
 695
 696         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 697
 698 2008-02-29  Richard Guenther  <rguenther@suse.de>
 699
 700         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 701         vn_lookup_or_add.
 702         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 703         value for comparing for a store match.
 704         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 705         (try_to_simplify): Do not do a full-blown reference lookup.
 706
 707 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 708
 709         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 710         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 711
 712         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 713
 714 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 717         strides against cache sizes.
 718
 719 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 720
 721         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 722         constant to fpul.
 723
 724 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 725
 726         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 727         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 728         is smaller than the original promoted value.
 729         (simplify_subreg): If OP is a SUBREG, try to preserve its
 730         SUBREG_PROMOTED_VAR_P information.
 731
 732 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 733
 734         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 735         (VN_INFO_GET): Allocate new objects on the obstack.
 736         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 737         for rpo_numbers_temp, for consistency.
 738         (free_scc_vn): Free the obstack.
 739
 740 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * doc/invoke.texi: Document -ftree-loop-distribution.
 743         * tree-loop-distribution.c: New.
 744         * tree-pass.h (pass_loop_distribution): New.
 745         * graphds.h (struct graph): Add htab_t indices.
 746         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 747         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 748         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 749         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 750         * tree-data-ref.c (debug_data_dependence_relations): New.
 751         (dump_data_dependence_relation): Also print data references.
 752         (free_data_ref): Extern.
 753         (same_access_functions): Moved...
 754         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 755         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 756         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 757         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 758         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 759         (stmts_from_loop): Skip LABEL_EXPR.
 760         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
 761         New.
 762         (build_rdg): Initialize rdg->indices htab.
 763         (free_rdg, stores_from_loop, ref_base_address,
 764         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 765         have_similar_memory_accesses_1, ref_base_address_1,
 766         remove_similar_memory_refs): New.
 767         * tree-data-ref.h: Depend on tree-chrec.h.
 768         (debug_data_dependence_relations, free_data_ref): Declared.
 769         (same_access_functions): ... here.
 770         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
 771         New.
 772         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 773         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 774         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 775         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 776         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 777         rdg_vertex_for_stmt): Declared.
 778         (struct rdg_edge): Add level.
 779         (RDGE_LEVEL): New.
 780         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 781         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
 782         Declared.
 783         (rdg_has_similar_memory_accesses): New.
 784         * tree-vect-analyze.c: Remove unused static decls.
 785         * lambda.h (dependence_level): New.
 786         * common.opt (ftree-loop-distribution): New.
 787         * tree-flow.h (mark_virtual_ops_in_bb,
 788         slpeel_tree_duplicate_loop_to_edge_cfg,
 789         rename_variables_in_loop): Declared.
 790         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 791         (OBJS-common): Add tree-loop-distribution.o.
 792         (tree-loop-distribution.o): New rule.
 793         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 794         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 795         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 796
 797 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 798
 799         PR target/33963
 800         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 801         other than structures and unions.
 802
 803 2008-02-28  Richard Guenther  <rguenther@suse.de>
 804
 805         Revert:
 806         2008-02-26  Richard Guenther  <rguenther@suse.de>
 807
 808         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 809         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 810         (lookup_decl_from_uid): Declare.
 811         (remove_decl_from_map): Likewise.
 812         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 813         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 814         (decl_for_uid_map): New global hashtable mapping DECL_UID
 815         to the decl tree.
 816         (init_ttree): Allocate it.
 817         (insert_decl_to_uid_decl_map): New helper function.
 818         (make_node_stat): Insert new decls into the map.
 819         (copy_node_stat): Likewise.
 820         (lookup_decl_from_uid): New function.
 821         (remove_decl_from_map): Likewise.
 822         (print_decl_for_uid_map_statistics): New helper.
 823         (dump_tree_statistics): Call it.
 824
 825         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 826         (referenced_var_iterator): Adjust.
 827         (FOR_EACH_REFERENCED_VAR): Adjust.
 828         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 829         (num_referenced_vars): Adjust.
 830         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 831         (first_referenced_var): Remove.
 832         (end_referenced_vars_p): Likewise.
 833         (next_referenced_var): Likewise.
 834         (referenced_var_iterator_set): New helper function.
 835         * tree-dfa.c (referenced_var_lookup): Adjust.
 836         (referenced_var_check_and_insert): Likewise.
 837         (remove_referenced_var): Likewise.
 838         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 839         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 840         (verify_call_clobbering): Likewise.
 841         (verify_memory_partitions): Likewise.
 842         (init_tree_ssa): Allocate bitmap instead of hashtable for
 843         referenced_vars.
 844         (delete_tree_ssa): Adjust.
 845         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 846         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 847         (compute_tag_properties): Likewise.
 848         (set_initial_properties): Likewise.
 849         (find_partition_for): Likewise.
 850         (update_reference_counts): Likewise.
 851         (dump_may_aliases_for): Likewise.
 852         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 853         (add_call_clobber_ops): Likewise.
 854         (add_call_read_ops): Likewise.
 855         (get_asm_expr_operands): Likewise.
 856         * tree-into-ssa.c (dump_decl_set): Likewise.
 857         (update_ssa): Likewise.
 858         * tree-sra.c (scan_function): Likewise.
 859         (decide_instantiations): Likewise.
 860         (scalarize_parms): Likewise.
 861         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 862         (dsa_named_for): Likewise.
 863         * tree-ssa-structalias.c (update_alias_info): Likewise.
 864         (merge_smts_into): Likewise.
 865
 866 2008-02-27  David Daney  <ddaney@avtrex.com>
 867
 868         PR target/34409
 869         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 870         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 871         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 872         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 873         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 874
 875 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 876
 877         PR target/25477
 878         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 879         (BUILT_IN_NEXTTOWARD): Remove.
 880         (BUILT_IN_NEXTTOWARDF): Ditto.
 881         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 882         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 883
 884 2008-02-27  Tom Tromey  <tromey@redhat.com>
 885
 886         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 887         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 888
 889 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 890
 891         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 892         update the respective field on newdecl.
 893
 894 2008-02-27  Revital Eres  <eres@il.ibm.com>
 895
 896         PR rtl-optimization/34999
 897         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 898         crossing edges that ends with a call insn.
 899         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 900         call insn and clear the EDGE_CROSSING flag of the crossing edge
 901         when fixing fallthru edges.
 902
 903 2008-02-27  Richard Guenther  <rguenther@suse.de>
 904
 905         PR middle-end/35390
 906         * fold-const.c (fold_unary): Return the correct argument,
 907         converted to the result type.
 908
 909 2008-02-27  Richard Guenther  <rguenther@suse.de>
 910
 911         PR middle-end/34971
 912         * expr.c (expand_expr_real_1): Assert on rotates that operate
 913         on partial modes.
 914         * fold-const.c (fold_binary): Use the types precision, not the
 915         bitsize of the mode if folding rotate expressions.  Build rotates
 916         only for full modes.
 917
 918 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 919
 920         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 921         and CPP_PRAGMA_EOL.
 922         * c-pragma.c (pragma_ns_name): New typedef.
 923         (registered_pp_pragmas): New variable.
 924         (c_pp_lookup_pragma): New function.
 925         (c_register_pragma_1): If flag_preprocess_only, do nothing
 926         for non-expanded pragmas, for expanded ones push pragma's
 927         namespace and name into registered_pp_pragmas vector.
 928         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 929         flag_preprocess_only, don't register GCC pch_preprocess
 930         pragma if flag_preprocess_only.
 931         * c-opts.c (c_common_init): Call init_pragma even if
 932         flag_preprocess_only.
 933         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 934         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 935         cpp_register_pragma if flag_preprocess_only.
 936
 937 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 938
 939         PR c/28800
 940         * c-parser.c (c_parser_translation_unit): Warn for empty
 941         translation unit, not empty source file.
 942
 943 2008-02-26  Paul Brook  <paul@codesourcery.com>
 944
 945         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 946         operand for Thumb-2.
 947         * config/arm/arm.h (reg_class): Add CORE_REGS.
 948         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 949         (BASE_REG_CLASS): Use CORE_REGS.
 950         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 951         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 952         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 953         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 954         ARM_REGNO_OK_FOR_INDEX_P.
 955         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 956         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 957         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 958         (ldm/stm peepholes): Ditto.
 959         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 960         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 961         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 962         * config/arm/constraints.md: Enable "k" constraint on ARM.
 963
 964 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 965
 966         * config/rs6000/rs6000.c: Annotate cache line size field in all
 967         instances of struct processor_costs.
 968
 969 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 970
 971         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 972         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 973         jump_bypass): New counters.
 974         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 975         * dce.c (gate_ud_dce): Same.
 976         (gate_fast_dce): Same.
 977         * dse.c (gate_dse1): New function.
 978         (gate_dse2): New function.
 979         (gate_dse): Merge results of new gate functions.
 980         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 981         (gate_handle_jump_bypass): Add dbg_cnt.
 982         (gate_handle_gcse): Add dbg_cnt.
 983         * ifcvt.c (gate_handle_if_conversion): Same.
 984         (gate_handle_if_after_combine): Same.
 985         (gate_handle_if_after_reload): Same.
 986         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 987
 988 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 989
 990         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 991         line sizes.
 992         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 993
 994 2008-02-26  Jason Merrill  <jason@redhat.com>
 995
 996         PR c++/35315
 997         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 998         alone if it's the naming decl for the type's main variant.
 999
1000 2008-02-26  Tom Tromey  <tromey@redhat.com>
1001
1002         * system.h (USE_MAPPED_LOCATION): Poison.
1003         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1004         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1005         (make_goto_expr_edges): Likewise.
1006         (remove_bb): Likewise.
1007         (execute_warn_function_return): Likewise.
1008         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1009         location_t.
1010         * c-common.c (fname_decl): Remove old location code.
1011         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1012         location code.
1013         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1014         variant.
1015         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1016         (gen_rtx_ASM_INPUT): Likewise.
1017         (gen_rtx_ASM_INPUT_loc): Likewise.
1018         (get_rtx_asm_OPERANDS): Remove.
1019         * cfglayout.c (insn_locators_alloc): Remove old location code.
1020         (set_curr_insn_source_location): Likewise.
1021         (curr_insn_locator): Likewise.
1022         * print-tree.c (print_node): Remove old location code.
1023         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1024         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1025         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1026         location_from_locus.
1027         (construct_exit_block): Remove old location code.
1028         * emit-rtl.c (force_next_line_note): Remove old location code.
1029         * profile.c (branch_prob): Remove old location code.
1030         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1031         LOC_LINE): Remove old-location variants.
1032         * langhooks.c (lhd_print_error_function): Remove old location
1033         code.
1034         * configure, config.in: Rebuilt.
1035         * configure.ac (--enable-mapped-location): Remove.
1036         * c-decl.c (c_init_decl_processing): Remove old location code.
1037         (finish_function): Likewise.
1038         * recog.c (decode_asm_operands): Remove old location code.
1039         * c-pch.c (c_common_read_pch): Remove old location code.
1040         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1041         variants.
1042         * gimple-low.c (lower_function_body): Remove old location code.
1043         * toplev.c (unknown_location): Remove.
1044         (push_srcloc): Remove old-location variant.
1045         (process_options): Remove old location code.
1046         (lang_dependent_init): Likewise.
1047         * input.h (UNKNOWN_LOCATION): Move definition.
1048         (location_t): Undeprecate.
1049         (source_locus): Remove.
1050         (location_from_locus): Remove.
1051         (struct location_s): Remove.
1052         Remove all old-location code.
1053         (input_line, input_filename): Remove.
1054         * final.c (final_scan_insn): Remove old location code.
1055         * diagnostic.c (diagnostic_build_prefix): Remove
1056         USE_MAPPED_LOCATION test.
1057         * tree.h (gimple_stmt) <locus>: Now a location_t.
1058         (tree_exp) <locus>: Likewise.
1059         (DECL_IS_BUILTIN): Remove old-location variant.
1060         (annotate_with_file_line, annotate_with_locus): Likewise.
1061         (expr_locus, set_expr_locus): Update.
1062         * tree.c (build1_stat): Remove old location code.
1063         (last_annotated_node): Remove.
1064         (annotate_with_file_line): Remove old-location variant.
1065         (annotate_with_locus): Likewise.
1066         (expr_location): Remove old location code.
1067         (set_expr_location): Likewise.
1068         (expr_has_location): Likewise.
1069         (expr_locus): Likewise.
1070         (set_expr_locus): Likewise.
1071         (expr_filename): Don't use location_from_locus.
1072         (expr_lineno): Likewise.
1073         * rtl-error.c (location_for_asm): Remove old location code.
1074         * c-lex.c (cb_line_change): Remove old location code.
1075         (fe_file_change): Likewise.
1076         (cb_def_pragma): Likewise.
1077         (c_lex_with_flags): Likewise.
1078         * gengtype.c (do_typedef): Don't special-case location types.
1079         (define_location_structures): Remove.
1080         (main): Don't call define_location_structures.
1081         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1082         code.
1083
1084 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1085
1086         PR 26264
1087         * builtins.def (BUILT_IN_STDARG_START): Remove.
1088         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1089         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1090         * tree-inline.c (inline_forbidden_p_1): Likewise.
1091
1092 2008-02-26  Richard Guenther  <rguenther@suse.de>
1093
1094         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1095         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1096         (lookup_decl_from_uid): Declare.
1097         (remove_decl_from_map): Likewise.
1098         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1099         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1100         (decl_for_uid_map): New global hashtable mapping DECL_UID
1101         to the decl tree.
1102         (init_ttree): Allocate it.
1103         (insert_decl_to_uid_decl_map): New helper function.
1104         (make_node_stat): Insert new decls into the map.
1105         (copy_node_stat): Likewise.
1106         (lookup_decl_from_uid): New function.
1107         (remove_decl_from_map): Likewise.
1108         (print_decl_for_uid_map_statistics): New helper.
1109         (dump_tree_statistics): Call it.
1110
1111         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1112         (referenced_var_iterator): Adjust.
1113         (FOR_EACH_REFERENCED_VAR): Adjust.
1114         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1115         (num_referenced_vars): Adjust.
1116         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1117         (first_referenced_var): Remove.
1118         (end_referenced_vars_p): Likewise.
1119         (next_referenced_var): Likewise.
1120         (referenced_var_iterator_set): New helper function.
1121         * tree-dfa.c (referenced_var_lookup): Adjust.
1122         (referenced_var_check_and_insert): Likewise.
1123         (remove_referenced_var): Likewise.
1124         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1125         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1126         (verify_call_clobbering): Likewise.
1127         (verify_memory_partitions): Likewise.
1128         (init_tree_ssa): Allocate bitmap instead of hashtable for
1129         referenced_vars.
1130         (delete_tree_ssa): Adjust.
1131         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1132         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1133         (compute_tag_properties): Likewise.
1134         (set_initial_properties): Likewise.
1135         (find_partition_for): Likewise.
1136         (update_reference_counts): Likewise.
1137         (dump_may_aliases_for): Likewise.
1138         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1139         (add_call_clobber_ops): Likewise.
1140         (add_call_read_ops): Likewise.
1141         (get_asm_expr_operands): Likewise.
1142         * tree-into-ssa.c (dump_decl_set): Likewise.
1143         (update_ssa): Likewise.
1144         * tree-sra.c (scan_function): Likewise.
1145         (decide_instantiations): Likewise.
1146         (scalarize_parms): Likewise.
1147         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1148         (dsa_named_for): Likewise.
1149         * tree-ssa-structalias.c (update_alias_info): Likewise.
1150         (merge_smts_into): Likewise.
1151
1152 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1153
1154         PR 34351
1155         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1156         * c-opts.c (c_common_handle_option): Wall enables
1157         Wvolatile-register-var.
1158         * common.opt: Move Wvolatile-register-var to...
1159         * c.opt: ...here.
1160
1161 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1162
1163         * common.opt (Wlarger-than=): New.
1164         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1165         -Wlarger-than=.
1166         * opts.c (common_handle_option): Handle -Wlarger-than=.
1167         * optc-gen.awk: Likewise.
1168         * opth-gen.awk: Likewise.
1169         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1170         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1171
1172 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1173
1174         * c-common.c (match_case_to_enum_1): Add appropriate
1175         OPT_W* parameter to warning.
1176         (c_do_switch_warnings): Likewise.
1177         * c-typeck.c (warning_init): Add one more parameter following
1178         'warning' function.
1179         (push_init_level): Update call to warning_init.
1180         (pop_init_level): Likewise.
1181         (add_pending_init): Likewise.
1182         (output_init_element: Likewise.
1183
1184 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1185
1186         PR 28322
1187         * toplev.c (toplev_main): If there are warnings or error, print
1188         errors for ignored options.
1189         * opts.c (ignored_options): New static variable.
1190         (postpone_unknown_option_error): New.
1191         (print_ignored_options): New.
1192         (handle_option): Postpone errors for unknown -Wno-* options.
1193         * opts.h (print_ignored_options): Declare.
1194
1195 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1196
1197         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1198         to "ghost".
1199
1200 2008-02-25  Richard Guenther  <rguenther@suse.de>
1201
1202         Revert:
1203         2008-02-25  Richard Guenther  <rguenther@suse.de>
1204
1205         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1206         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1207         (lookup_decl_from_uid): Declare.
1208         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1209         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1210         (decl_for_uid_map): New global hashtable mapping DECL_UID
1211         to the decl tree.
1212         (init_ttree): Allocate it.
1213         (insert_decl_to_uid_decl_map): New helper function.
1214         (make_node_stat): Insert new decls into the map.
1215         (copy_node_stat): Likewise.
1216         (lookup_decl_from_uid): New function.
1217         (print_decl_for_uid_map_statistics): New helper.
1218         (dump_tree_statistics): Call it.
1219
1220         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1221         (referenced_var_iterator): Adjust.
1222         (FOR_EACH_REFERENCED_VAR): Adjust.
1223         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1224         (num_referenced_vars): Adjust.
1225         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1226         (first_referenced_var): Remove.
1227         (end_referenced_vars_p): Likewise.
1228         (next_referenced_var): Likewise.
1229         (referenced_var_iterator_set): New helper function.
1230         * tree-dfa.c (referenced_var_lookup): Adjust.
1231         (referenced_var_check_and_insert): Likewise.
1232         (remove_referenced_var): Likewise.
1233         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1234         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1235         (verify_call_clobbering): Likewise.
1236         (verify_memory_partitions): Likewise.
1237         (init_tree_ssa): Allocate bitmap instead of hashtable for
1238         referenced_vars.
1239         (delete_tree_ssa): Adjust.
1240         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1241         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1242         (compute_tag_properties): Likewise.
1243         (set_initial_properties): Likewise.
1244         (find_partition_for): Likewise.
1245         (update_reference_counts): Likewise.
1246         (dump_may_aliases_for): Likewise.
1247         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1248         (add_call_clobber_ops): Likewise.
1249         (add_call_read_ops): Likewise.
1250         (get_asm_expr_operands): Likewise.
1251         * tree-into-ssa.c (dump_decl_set): Likewise.
1252         (update_ssa): Likewise.
1253         * tree-sra.c (scan_function): Likewise.
1254         (decide_instantiations): Likewise.
1255         (scalarize_parms): Likewise.
1256         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1257         (dsa_named_for): Likewise.
1258         * tree-ssa-structalias.c (update_alias_info): Likewise.
1259         (merge_smts_into): Likewise.
1260
1261 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1262
1263         PR fortran/29549
1264         * doc/invoke.texi (-fcx-limited-range): Document new option.
1265         * toplev.c (process_options): Handle -fcx-fortran-rules.
1266         * common.opt: Add documentation for -fcx-fortran-rules.
1267
1268 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1269
1270         PR c/35162
1271         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1272         actual behaviour and C99.
1273
1274 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1275
1276         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1277         (ASM_CPU_POWER6_SPEC): Likewise.
1278         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1279         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1280         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1281
1282 2008-02-25  Richard Guenther  <rguenther@suse.de>
1283
1284         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1285         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1286         (lookup_decl_from_uid): Declare.
1287         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1288         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1289         (decl_for_uid_map): New global hashtable mapping DECL_UID
1290         to the decl tree.
1291         (init_ttree): Allocate it.
1292         (insert_decl_to_uid_decl_map): New helper function.
1293         (make_node_stat): Insert new decls into the map.
1294         (copy_node_stat): Likewise.
1295         (lookup_decl_from_uid): New function.
1296         (print_decl_for_uid_map_statistics): New helper.
1297         (dump_tree_statistics): Call it.
1298
1299         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1300         (referenced_var_iterator): Adjust.
1301         (FOR_EACH_REFERENCED_VAR): Adjust.
1302         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1303         (num_referenced_vars): Adjust.
1304         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1305         (first_referenced_var): Remove.
1306         (end_referenced_vars_p): Likewise.
1307         (next_referenced_var): Likewise.
1308         (referenced_var_iterator_set): New helper function.
1309         * tree-dfa.c (referenced_var_lookup): Adjust.
1310         (referenced_var_check_and_insert): Likewise.
1311         (remove_referenced_var): Likewise.
1312         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1313         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1314         (verify_call_clobbering): Likewise.
1315         (verify_memory_partitions): Likewise.
1316         (init_tree_ssa): Allocate bitmap instead of hashtable for
1317         referenced_vars.
1318         (delete_tree_ssa): Adjust.
1319         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1320         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1321         (compute_tag_properties): Likewise.
1322         (set_initial_properties): Likewise.
1323         (find_partition_for): Likewise.
1324         (update_reference_counts): Likewise.
1325         (dump_may_aliases_for): Likewise.
1326         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1327         (add_call_clobber_ops): Likewise.
1328         (add_call_read_ops): Likewise.
1329         (get_asm_expr_operands): Likewise.
1330         * tree-into-ssa.c (dump_decl_set): Likewise.
1331         (update_ssa): Likewise.
1332         * tree-sra.c (scan_function): Likewise.
1333         (decide_instantiations): Likewise.
1334         (scalarize_parms): Likewise.
1335         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1336         (dsa_named_for): Likewise.
1337         * tree-ssa-structalias.c (update_alias_info): Likewise.
1338         (merge_smts_into): Likewise.
1339
1340 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1341
1342         PR target/35258
1343         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1344         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1345         * alias.h (nonoverlapping_memrefs_p): Likewise.
1346
1347 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1348
1349         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1350         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1351         __emultls_get_address, __emultls_register_common,
1352         __floatundi?f, and _Unwind_GetIPInfo.
1353         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1354         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1355         (gen_regparm_prefix): Likewise.
1356         (i386_nlm_encode_section_info): Sync with
1357         config/i386/winnt.c:i386_pe_encode_section_info().
1358         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1359         i386_nlm_mangle_decl_assembler_name): New.
1360         (netware_override_options): New.
1361         * config/i386/netware.h (netware_override_options): Declare.
1362         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1363         (i386_nlm_mangle_decl_assembler_name): Declare.
1364         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1365
1366 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1367
1368         PR other/32948
1369         * c-decl.c (grokdeclarator): Remove unused local variables
1370         `typedef_type' and `type_as_written'.
1371         * bb-reorder.c
1372         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1373         unused local variable `has_hot_blocks'.
1374         (fix_crossing_conditional_branches): Remove unused local variable
1375         `prev_bb'.
1376
1377 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1378
1379         PR middle-end/19984
1380         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1381         using DEF_C99_BUILTIN.
1382         (BUILT_IN_NANF): Ditto.
1383         (BUILT_IN_NANL): Ditto.
1384
1385 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1386             Revital Eres  <eres@il.ibm.com>
1387
1388         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1389         regarding the order of two dependent insns in the same row.
1390
1391 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1392
1393         * stor-layout.c (layout_decl): Do not bump the alignment of a
1394         bit-field to more than byte alignment if it is packed.
1395
1396 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1397
1398         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1399         e300c2 and e300c3.
1400
1401 2008-02-24  Diego Novillo  <dnovillo@google.com>
1402
1403         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1404
1405         PR 33738
1406         * tree-vrp.c (vrp_evaluate_conditional): With
1407         -Wtype-limits, emit a warning when comparing against a
1408         constant outside the natural range of OP0's type.
1409         * c.opt (Wtype-limits): Move ...
1410         * common.opt (Wtype-limits): ... here.
1411
1412 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1413
1414         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1415         * config/rs6000/e300c2c3.md: New file.
1416         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1417         e300c2 and e300c3.
1418         (rs6000_override_options): Add e300c2 and e300c3 cases to
1419         processor_target_table. Do not allow usage of Altivec or Spe
1420         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1421         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1422         * config/rs6000/rs6000.h (processor_type): Add
1423         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1424         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1425         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1426         and ppce300c3. Include e300c2c3.md.
1427
1428 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1429
1430         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1431         instead of TARGET_STRICT_ALIGN.
1432
1433 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1434
1435         * explow.c (memory_address): Assert that the generated address is
1436         valid.
1437
1438 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1439
1440         PR target/25477
1441         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1442         * config/darwin-ppc-ldouble-patch.def: New file.
1443         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1444         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1445         SUBTARGET_INIT_BUILTINS if defined.
1446         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1447         New functions.
1448
1449 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1450
1451         PR rtl-opt/33512
1452         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1453         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1454
1455 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1456
1457         PR pch/35027
1458         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1459         file" warning condtional on -Winvalid-PCH.
1460
1461 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1462
1463         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1464
1465 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         PR target/22076
1468         PR target/34256
1469         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1470         prevent reload from using MMX registers.
1471         (*mov<mode>_internal): Ditto.
1472         (*movv2sf_internal_rex64): Ditto.
1473         (*movv2sf_internal): Ditto.
1474
1475 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1476
1477         PR documentation/31569
1478         * doc/install.texi2html: Use makeinfo --no-number-sections.
1479
1480 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1481
1482         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1483         ensure that we can address an entire entity > 8 bytes.  Don't
1484         generate reg+reg addressing for such data.
1485
1486 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1487
1488         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1489         strings when optimizing for size, unless the target cares about
1490         alignment.
1491
1492 2008-02-22  Tom Tromey  <tromey@redhat.com>
1493
1494         * regclass.c (current_pass): Remove declaration.
1495
1496 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1497
1498         * config/avr/libgcc.S (__RAMPZ__): Define.
1499         (__do_copy_data): Add for devices with 128KB code memory.
1500
1501 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1502
1503         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1504         Use spe_abi.
1505         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1506
1507 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1508
1509         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1510         GENNONACR_REGS.
1511
1512 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1513
1514         PR c/19999
1515         * c-typeck.c (build_binary_op): Warn about floating point
1516         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1517
1518 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1519
1520         PR target/34526
1521         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1522         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1523         add vrsave.
1524         (rs6000_override_options): Set altivec_abi as default, not override,
1525         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1526         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1527         is used; use new member spe_abi.
1528         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1529         spe_abi and altivec_abi.
1530
1531 2008-02-22  Tomas Bily  <tbily@suse.cz>
1532
1533         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1534
1535 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1536
1537         PR bootstrap/35273
1538         * config.build (build_file_translate): Set to `CMD //c' only if
1539         it works.
1540         * Makefile.in (build_file_translate): Improve comment.
1541
1542 2008-02-21  Jan Hubicka  <jh@suse.cz>
1543
1544         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1545         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1546         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1547
1548 2008-02-21  Michael Matz  <matz@suse.de>
1549
1550         PR target/35264
1551         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1552
1553 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1554
1555         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1556         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1557         as insn constraint.
1558         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1559         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1560         SSE_VEC_FLOAT_MODE_P as insn constraint.
1561         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1562         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1563         sse4a_movntdf using MODEF mode iterator.
1564         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1565         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1566         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1567         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1568         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1569         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1570         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1571
1572 2008-02-21  Richard Guenther  <rguenther@suse.de>
1573
1574         * tree.def (PAREN_EXPR): New tree code.
1575         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1576         and PAREN_EXPR.
1577         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1578         * expr.c (expand_expr_real_1): Likewise.
1579         * tree-inline.c (estimate_num_insns_1): Likewise.
1580         * tree-complex.c (expand_complex_move): Likewise.
1581         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1582         as plain x.
1583
1584 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1585
1586         PR target/35225
1587         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1588
1589 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1590
1591         PR target/35190
1592         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1593
1594         * config/sh/sh.c (find_barrier): Don't go past
1595         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1596
1597 2008-02-20  DJ Delorie  <dj@redhat.com>
1598
1599         * config/h8300/h8300.md (insv): Force source operand to be a register.
1600
1601         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1602         as a jump, not as a plain insn.
1603
1604 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1605
1606         * doc/invoke.texi (Warning Options): Add new option
1607         -Wframe-larger-than=.
1608         (-Wframe-larger-than): Document.
1609
1610         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1611         Add declarations for new option variables.
1612
1613         * final.c (final_start_function): Check the frame size
1614         before emission and issue a Wframe-larger-than warning.
1615
1616         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1617         Add definitions for new option variables.
1618         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1619
1620         * common.opt (Wframe-larger-than=): New option.
1621
1622 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1623
1624         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1625         (<sse>_div<mode>3): Ditto.
1626         (<sse>_vmdiv<mode>3): Ditto.
1627         (<sse>_vmsqrt<mode>2): Ditto.
1628         (*smax<mode>3): Ditto.
1629         (sse5_frcz<mode>2): Ditto.
1630         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1631         as insn constraint.
1632
1633 2008-02-20  Richard Guenther  <rguenther@suse.de>
1634
1635         PR middle-end/35265
1636         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1637         be happy with INTEGRAL_TYPE_P.
1638
1639 2008-02-20  Richard Guenther  <rguenther@suse.de>
1640
1641         * fold-const.c (split_tree): Associate floatig-point expressions
1642         if flag_associative_math is set.
1643
1644 2008-02-20  Richard Guenther  <rguenther@suse.de>
1645
1646         * tree.h (fold_real_zero_addition_p): Declare.
1647         * fold-const.c (fold_real_zero_addition_p): Export.
1648         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1649         floating-point operations with zero and one.
1650
1651 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1652
1653         * doc/install.texi: Correct references to CFLAGS, replacing them
1654         with BOOT_CFLAGS.  Document flags used during bootstrap for
1655         target libraries.
1656
1657 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1660         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1661         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1662         insn constraint.
1663         (smin<mode>3): Ditto from similar patterns.
1664         (smax<mode>3): Ditto.
1665         (*ieee_smin<mode>3): Ditto.
1666         (*ieee_smax<mode>3): Ditto.
1667         * config/i386/sse.md (sse): New mode attribute.
1668         (mov<mode>): Macroize expander from movv4sf and movv2df using
1669         SSEMODEF2P mode iterator.
1670         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1671         SSE_VEC_FLOAT_MODE_P as insn constraint.
1672         (storent<mode>): Ditto.
1673         (storent<mode>): Macroize expander from storentsf and storentdf using
1674         MODEF mode iterator.
1675         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1676         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1677         (abs<mode>2): Ditto from similar patterns.
1678         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1679         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1680         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1681         (<sse>_vmsqrt<mode>2): Ditto.
1682         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1683         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1684         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1685         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1686         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1687         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1688         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1689         insn constraint.
1690         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1691         iterator and SSE_FLOAT_MODE_P as insn constraint.
1692         (<sse>_ucomi): Ditto from similar patterns.
1693         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1694         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1695         SSE_VEC_FLOAT_MODE_P as insn constraint.
1696         (vcond<mode>): Ditto from similar patterns.
1697         (and<mode>3, *and<mode>3): Ditto.
1698         (<sse>_nand<mode>3): Ditto.
1699         (ior<mode>3, *ior<mode>3): Ditto.
1700         (xor<mode>3, *xor<mode>3): Ditto.
1701         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1702         iterator and SSE_FLOAT_MODE_P as insn constraint.
1703         (*nand<mode>3): Ditto from similar patterns.
1704         (*ior<mode>3): Ditto.
1705         (*xor<mode>3): Ditto.
1706
1707 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1708
1709         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1710         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1711         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1712
1713 2008-02-19  Jan Hubicka  <jh@suse.cz>
1714
1715         * predict.c (tree_bb_level_predictions): Remove variable next
1716         mistakely introduced by previous commit.
1717
1718 2008-02-19  Jan Hubicka  <jh@suse.cz>
1719
1720         * predict.c (predict_paths_leading_to): Rewrite.
1721         (predict_paths_for_bb): New.
1722         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1723
1724 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1725
1726         PR bootstrap/35218
1727         * Makefile.in (build_file_translate): New.
1728         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1729         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1730         * configure.ac (build_file_translate): Substitute it.
1731         * configure: Regenerate.
1732
1733 2008-02-19  Jan Hubicka  <jh@suse.cz>
1734
1735         PR rtl-optimization/34408
1736         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1737         invalid sharing.
1738
1739 2008-02-19  Jan Hubicka  <jh@suse.cz>
1740
1741         PR middle-end/28779
1742         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1743         call_expr.
1744
1745 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1746
1747         PR Ada/35186
1748         * config/i386/i386-modes.def: Revert the last DI alignment
1749         change until Ada people can look into it.
1750
1751 2008-02-19  Nick Clifton  <nickc@redhat.com>
1752
1753         * opts.c (print_specific_help): Fix typo in --help text.
1754
1755 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1756
1757         PR target/35239
1758         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1759         32-bit inline asm without asm alternatives for host GCC < 3.0.
1760
1761 2008-02-19  Richard Guenther  <rguenther@suse.de>
1762
1763         PR tree-optimization/34989
1764         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1765         Allow propagation to INDIRECT_REF if we can simplify only.
1766
1767 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1768
1769         * c-common.c (warn_for_collisions_1): Use appropriate option when
1770         warning.
1771
1772 2008-02-19  Nick Clifton  <nickc@redhat.com>
1773
1774         PR other/31349
1775         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1776         (handle_options): Fix indentation.
1777         (print_filtered_help): If no language-specific options were
1778         displayed tell the user how to list all the options supported by
1779         the language's front-end.
1780         (print_specific_help): Fix indentation and remove duplicate line.
1781         (common_handle_option): Handle the -v option.
1782         For --help enable the display of undocumented options if the -v
1783         switch has been included on the command line.
1784         For --help= check for overlaps in the arguments between the option
1785         classes and the language names and issue a warning when they
1786         cannot be disambiguated.
1787         * c.opt (v): Pass on to the common option handler.
1788
1789 2008-02-19  Revital Eres  <eres@il.ibm.com>
1790
1791         * modulo-sched.c (sms_schedule): Change dump message when
1792         create_ddg function fails.
1793         (try_scheduling_node_in_cycle): Rename row to cycle.
1794         (print_partial_schedule): Rename CYCLE to ROW.
1795
1796 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1797             Zdenek Dvorak  <ook@ucw.cz>
1798
1799         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1800
1801 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         PR target/33555
1804         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1805         (*x86_movdicc_0_m1_se): Ditto.
1806
1807 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1810         (CMPtype): Define as __gcc_CMPtype.
1811         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1812         (CMPtype): Define as __gcc_CMPtype.
1813
1814 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1815
1816         Support valgrind 3.3 for --enable-checking=valgrind.
1817         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1818         here.
1819         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1820         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1821         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1822         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1823         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1824         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1825         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1826         respectively.
1827         * ggc-zone.c: Similar.
1828         * ggc-page.c: Similar.
1829
1830 2008-02-19  Paul Brook  <paul@codesourcery.com>
1831
1832         PR target/35071
1833         * config/arm/ieee754-df.S: Fix do_it typo.
1834         * config/arm/ieee754-sf.S: Fix do_it typo.
1835
1836 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1837
1838         PR target/35189
1839         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1840         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1841         (OPTION_MASK_ISA_SSE_SET): Likewise.
1842         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1843         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1844         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1845         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1846         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1847         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1848         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1849         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1850         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1851         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1852         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1853         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1854         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1855         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1856         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1857         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1858         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1859         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1860         (OPTION_MASK_ISA_SSE4): Removed.
1861         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1862         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1863         (override_options): Don't turn on implied SSE/MMX bits in
1864         ix86_isa_flags.
1865
1866 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1867
1868         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1869         32bit host.
1870
1871 2008-02-18  Joey Ye  <joey.ye@intel.com>
1872
1873         PR middle-end/34921
1874         * tree-nested.c (insert_field_into_struct): Set type alignment
1875         to field alignment if the former is less than the latter.
1876
1877 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1878
1879         * BASE-VER: Set to 4.4.0.
1880
1881 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1882
1883         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1884         * doc/cfg.texi: Likewise.
1885         * doc/extend.texi: Likewise.
1886         * doc/gty.texi: Likewise.
1887         * doc/invoke.texi: Likewise.
1888         * doc/loop.texi: Likewise.
1889         * doc/md.texi: Likewise.
1890         * doc/passes.texi: Likewise.
1891         * doc/rtl.texi: Likewise.
1892         * doc/sourcebuild.texi: Likewise.
1893         * doc/tm.texi: Likewise.
1894         * doc/tree-ssa.texi: Likewise.
1895
1896 2008-02-17  Richard Guenther  <rguenther@suse.de>
1897
1898         PR middle-end/35227
1899         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1900         without default definition.
1901
1902 2008-02-17  Richard Guenther  <rguenther@suse.de>
1903
1904         PR tree-optimization/35231
1905         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1906         if A | B != 1.
1907
1908 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1909
1910         Revert:
1911
1912         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1913         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1914         libgcc_cmp_return mode.
1915
1916 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1917
1918         PR c/28368
1919         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1920
1921 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1922
1923         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1924         multilibs.
1925
1926 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1927
1928         * doc/c-tree.texi: Use `@.' where appropriate.
1929         * doc/extend.texi: Likewise.
1930         * doc/install.texi: Likewise.
1931         * doc/invoke.texi: Likewise.
1932         * doc/loop.texi: Likewise.
1933         * doc/makefile.texi: Likewise.
1934         * doc/md.texi: Likewise.
1935         * doc/passes.texi: Likewise.
1936         * doc/standards.texi: Likewise.
1937         * doc/tm.texi: Likewise.
1938
1939 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1940
1941         PR middle-end/35196
1942         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1943         in entry_bb.
1944         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1945         rather than in entry_bb.
1946
1947 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1948
1949         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1950         libgcc_cmp_return mode.
1951
1952 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1953
1954         PR middle-end/35130
1955         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1956         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1957
1958 2008-02-15  Richard Guenther  <rguenther@suse.de>
1959             Zdenek Dvorak  <ook@ucw.cz>
1960
1961         PR tree-optimization/35164
1962         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1963         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1964         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1965         Only propagate addresses which do not have abnormal SSA_NAMEs
1966         in their operands.
1967
1968 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1969
1970         PR target/35088
1971         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1972
1973 2008-02-15  Jan Hubicka  <jh@suse.cz>
1974
1975         PR middle-end/35149
1976         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1977
1978 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1979
1980         PR middle-end/34621
1981         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1982         when calculating alignment_pad.
1983
1984 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1985
1986         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1987         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1988         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1989         and STACK_BOUNDARY define.
1990
1991 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1992
1993         PR preprocessor/35061
1994         * c-pragma.c (handle_pragma_pop_macro): Check that
1995         pushed_macro_table has been allocated.
1996
1997 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1998
1999         PR middle-end/35136
2000         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2001         (force_gimple_operand): Likewise.
2002         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2003         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2004         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2005         (find_interesting_uses_address): Check addressability and alignment
2006         of the base expression only after substituting bases of IVs into it.
2007
2008 2008-02-14  Michael Matz  <matz@suse.de>
2009
2010         PR target/34930
2011         * function.c (instantiate_virtual_regs_in_insn): Reload address
2012         before falling back to reloading the whole operand.
2013
2014 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2015
2016         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2017         before the first section switch note.
2018
2019 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2020
2021         * doc/bugreport.texi: Update copyright years.
2022         * doc/c-tree.texi: Likewise.
2023         * doc/cfg.texi: Likewise.
2024         * doc/cpp.texi: Likewise.
2025         * doc/cppinternals.texi: Likewise.
2026         * doc/fragments.texi: Likewise.
2027         * doc/frontends.texi: Likewise.
2028         * doc/gcc.texi: Likewise.
2029         * doc/gty.texi: Likewise.
2030         * doc/hostconfig.texi: Likewise.
2031         * doc/implement-c.texi: Likewise.
2032         * doc/libgcc.texi: Likewise.
2033         * doc/loop.texi: Likewise.
2034         * doc/makefile.texi: Likewise.
2035         * doc/options.texi: Likewise.
2036         * doc/passes.texi: Likewise.
2037         * doc/rtl.texi: Likewise.
2038         * doc/sourcebuild.texi: Likewise.
2039         * doc/standards.texi: Likewise.
2040         * doc/tree-ssa.texi: Likewise.
2041         * doc/trouble.texi: Likewise.
2042
2043         * doc/extend.texi: Use @: or add comma where appropriate.
2044         * doc/invoke.texi: Likewise.
2045         * doc/tm.texi: Likewise.
2046
2047 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2048
2049         PR target/34393
2050         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2051         to a reg.
2052
2053 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2054
2055         * doc/md.texi (clz, ctz): Add reference.
2056         * doc/rtl.texi (clz, ctz): Likewise.
2057
2058 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2059
2060         PR other/35148
2061         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2062         srcdir.
2063
2064 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2065
2066         * config/s390/s390.c (struct constant_pool): New field
2067         emit_pool_after added.
2068         (s390_mainpool_start): Set the emit_pool_after flag according
2069         to the section switch notes.
2070         (s390_mainpool_finish): Consider emit_pool_after when emitting
2071         the literal pool at the end of the function.
2072         (s390_chunkify_start): Force literal pool splits at section
2073         switch notes.
2074
2075 2008-02-13  Michael Matz  <matz@suse.de>
2076
2077         PR debug/35065
2078         * var-tracking.c (clobber_variable_part): Correctly traverse the
2079         list.
2080
2081 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2082
2083         PR 29673
2084         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2085         Add -fdump-ipa-inline.
2086         * tree-dump.c (dump_files): Remove tree-inlined dump.
2087         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2088
2089 2008-02-12  Richard Guenther  <rguenther@suse.de>
2090
2091         PR tree-optimization/35171
2092         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2093         default defs.
2094
2095 2008-02-12  Richard Guenther  <rguenther@suse.de>
2096
2097         PR middle-end/35163
2098         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2099         value-preserving mode.  Disallow final truncation.
2100
2101 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2102
2103         PR middle-end/35136
2104         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2105         code from here to...
2106         (force_gimple_operand): ...here.
2107
2108 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR c++/35144
2111         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2112         non-compatible pointers.
2113         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2114         different FIELD_DECLs, try harder by comparing field offsets, sizes
2115         and types.
2116
2117         PR inline-asm/35160
2118         * function.c (match_asm_constraints_1): Don't replace the same input
2119         multiple times.
2120
2121 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2122
2123         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2124         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2125         (expand_epilogue): Restore RAMPZ register.
2126         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2127
2128 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2129
2130         * config/i386/cygwin.asm: (__alloca): Correct calling
2131         convention and alignment.
2132         (__chkstk): Force 8 byte stack alignment.
2133
2134 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2135             Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/33992
2138         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2139         the zero we compare against.
2140
2141 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2142
2143         PR libfortran/35063
2144         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2145         to CloseHandle after unlocking to prevent accumulation of handle
2146         count.
2147
2148 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2149
2150         PR middle_end/34150
2151         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2152         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2153         and update LABEL_NUSES during and after reload.
2154
2155 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2156
2157         PR middle-end/34627
2158         * combine.c (simplify_if_then_else): Make sure the comparison is
2159         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2160
2161 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2162
2163         PR bootstrap/35051
2164         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2165         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2166         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2167         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2168         * tree.h (get_type_static_bounds): Likewise.
2169
2170 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2171
2172         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2173         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2174         Make -Wfoo language annotations match what the compiler outputs.
2175
2176 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2177
2178         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2179         intrinsics spu_convts, spu_convtu, spu_convtf.
2180         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2181
2182 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2183
2184         * doc/extend.texi (Function Attributes) <noinline>: Mention
2185         asm ("") as method to keep calls.
2186
2187 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2188
2189         PR other/32754
2190         * doc/options.texi (Options): Replace references to opts.sh with
2191         optc-gen.awk.
2192         * opts-common.c: Likewise.
2193         * optc-gen.awk: Likewise.
2194
2195 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2196
2197         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2198
2199 2008-02-07  Richard Henderson  <rth@redhat.com>
2200
2201         PR rtl-opt/33410
2202         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2203         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2204         funny mode.
2205
2206 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2207
2208         PR tree-optimization/35085
2209         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2210         for operand entry oe2 in addition to operand entry oe3 in order to
2211         expose more opportunities for vectorizer sum reduction.
2212
2213 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2214
2215         PR other/35107
2216         * Makefile.in (LIBS): Remove $(GMPLIBS).
2217         (cc1-dummy, cc1): Add $(GMPLIBS).
2218
2219 2008-02-06  Jan Hubicka  <jh@suse.cz>
2220
2221         PR target/23322
2222         * i386.md (moddf_integer): Do not produce partial memory stalls for
2223         targets where it hurts.
2224
2225 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2226
2227         PR target/35083
2228         * optabs.c (expand_float): Do not check for decimal modes when
2229         expanding unsigned integer through signed conversion.
2230
2231 2008-02-06  Nick Clifton  <nickc@redhat.com>
2232
2233         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2234         inside the clobber with a match_operand and duplicated operand
2235         number in the constraint.
2236         (ineqbranchsi): Delete redundant comment.
2237
2238 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2239
2240         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2241         builtin_define ("__USE_INIT_FINI__").
2242         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2243         -msx multilibs.
2244         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2245
2246 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2247
2248         PR documentation/30330
2249         * doc/invoke.texi (C++ Dialect Options)
2250         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2251         For each warning option -Wfoo that allows -Wno-foo, ensure both
2252         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2253         entry of -Wswitch-default, index -Wnormalized= including the
2254         `=', and -Wlarger-than-@var{len} including @var{len}.
2255
2256 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2257
2258         * config/i386/i386.md (floatunssisf2): Use
2259         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2260         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2261         Macroize expander using MODEF mode iterator.
2262
2263 2008-02-05  Diego Novillo  <dnovillo@google.com>
2264
2265         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2266
2267         PR 33738
2268         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2269
2270 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2271
2272         PR other/35070
2273         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2274
2275 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2276
2277         PR target/35084
2278         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2279         to indicate if a message should be generated.
2280         (init_cumulative_args): Updated.
2281         (function_value_32): Likewise.
2282
2283 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2284
2285         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2286
2287 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         PR target/35083
2290         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2291         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2292
2293 2008-02-04  Diego Novillo  <dnovillo@google.com>
2294
2295         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2296
2297         PR 33738
2298         * tree-vrp.c (vrp_evaluate_conditional): With
2299         -Wtype-limits, emit a warning when comparing against a
2300         constant outside the natural range of OP0's type.
2301
2302 2008-02-04  Richard Guenther  <rguenther@suse.de>
2303
2304         PR middle-end/33631
2305         * expr.c (count_type_elements): Give for unions instead of
2306         guessing.
2307
2308 2008-02-04  Richard Guenther  <rguenther@suse.de>
2309
2310         PR middle-end/35043
2311         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2312         to TYPE_DOMAINs base type instead of using bitsizetype here.
2313
2314 2008-02-03  Jason Merrill  <jason@redhat.com>
2315
2316         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2317
2318 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2319
2320         PR other/29972
2321         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2322         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2323         (RS/6000 and PowerPC Options): Fix typos and markup.
2324         * doc/passes.texi (Tree-SSA passes): Likewise.
2325
2326 2008-02-02  Michael Matz  <matz@suse.de>
2327
2328         PR target/35045
2329         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2330         from record_last_reg_set_info.
2331         (record_last_reg_set_info): Take an RTX argument, iterate over all
2332         constituent hardregs.
2333         (record_last_set_info, record_opr_changes): Change calls to
2334         new signature or to record_last_reg_set_info_regno.
2335
2336 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2337
2338         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2339
2340 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2341
2342         PR rtl-optimization/34773
2343         * reg-notes.def (EQUAL): Mention significance of combination of
2344         REG_EQUAL and REG_RETVAL.
2345         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2346         insn that has a REG_RETVAL.
2347
2348 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2349
2350         PR bootstrap/33781
2351         * configure.ac (--enable-fixed-point): Disable unless explicitly
2352         requested on IRIX.
2353         * configure: Regenerate.
2354
2355 2008-02-01  Richard Guenther  <rguenther@suse.de>
2356
2357         PR other/35042
2358         * invoke.texi (-finline-limit): Remove no longer true parts
2359         of the documentation.  Note that there is no default value.
2360
2361 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2362             Mark Mitchell  <mark@codesourcery.com>
2363             Ben Elliston  <bje@au.ibm.com>
2364
2365         PR c/29326
2366         * doc/extend.texi (Other Builtins): Document.
2367
2368 2008-01-31  Tom Browder <tom.browder@gmail.com>
2369
2370         * doc/c-tree.texi (Types): Fix grammar.
2371         (Expression trees): Ditto.
2372         * doc/passes.texi (Tree-SSA passes): Ditto.
2373
2374         * doc/configterms.texi (Configure Terms): Fix typo.
2375         * doc/cpp.texi (Common Predefined Macros): Ditto.
2376         * doc/md.texi (Machine Constraints): Ditto.
2377
2378         * doc/makefile.texi (Makefile): Add comma.
2379
2380 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2381             Gerald Pfeifer  <gerald@pfeifer.com>
2382
2383         * doc/sourcebuild.texi (Front End): Remove references to CVS
2384         and CVSROOT/modules.
2385         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2386         (Back End): Remove reference to CVS.
2387
2388 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2389
2390         PR target/34900
2391         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2392         comment from...
2393         (mips16_gp_pseudo_reg): ...here.
2394         * config/mips/mips.md (load_const_gp): Replace with...
2395         (load_const_gp_<mode>): ...this :P-based insn.
2396
2397 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2398
2399         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2400         options. Minor fixes.
2401         (-std): Move reference to standards closer to where language
2402         standards are first mentioned.
2403
2404 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2405
2406         PR rtl-optimization/34995
2407         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2408         parameter and return a bool.  If the rtx parameter is nonnull,
2409         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2410         (find_reloads): Update call accordingly.  Pass the new operand
2411         if it needed no address reloads, otherwise pass null.
2412
2413 2008-01-30  Richard Henderson  <rth@redhat.com>
2414
2415         PR c/34993
2416         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2417         for unbounded arrays.
2418
2419 2008-01-30  Silvius Rus  <rus@google.com>
2420
2421         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2422
2423 2008-01-30  Jan Hubicka  <jh@suse.cz>
2424
2425         PR target/34982
2426         * i386.c (init_cumulative_args): Use real function declaration when
2427         calling locally.
2428
2429 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2430
2431         PR rtl-optimization/34998
2432         * global.c (build_insn_chain): Treat non-subreg_lowpart
2433         SUBREGs of pseudos as clobbering all the words covered by the
2434         SUBREG, not just all the bytes.
2435         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2436         original df_ref rather than an extract parameter.
2437         (global_conflicts): Update call accordingly.
2438
2439 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2440
2441         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2442         the overflow check to make it easier to read.
2443         (__fixtfdi): Change the type of the ll member in union
2444         long_double to UDItype_x.
2445
2446 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2447
2448         PR middle-end/34969
2449         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2450         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2451         * tree-inline.c (fold_marked_statements): Call
2452         cgraph_update_edges_for_call_stmt if folding a call statement.
2453         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2454         debug_generic_stmt calls, reset it back afterwards.
2455
2456         PR c/35017
2457         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2458         static decls.
2459         * c-typeck.c (build_external_ref): Don't pedwarn about
2460         static vars in current function's scope.
2461
2462 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2463
2464         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2465
2466 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2467
2468         PR c/35002
2469         * ipa-struct-reorg.c: Fix spelling.
2470         * params.def: Ditto.
2471
2472 2008-01-29  Richard Guenther  <rguenther@suse.de>
2473
2474         PR middle-end/35006
2475         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2476         field.
2477         * tree-inline.c (remap_type): Increment remapping_type_depth
2478         around remapping types.
2479         (copy_body_r): Only add referenced variables if they are referenced
2480         from code, not types.
2481
2482 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2483
2484         PR c++/34055
2485         PR c++/34103
2486         PR c++/34219
2487         PR c++/34606
2488         PR c++/34753
2489         PR c++/34754
2490         PR c++/34755
2491         PR c++/34919
2492         PR c++/34961
2493         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2494         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2495
2496 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2497
2498         PR target/34412
2499         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2500         pointer for tiny stack.
2501
2502 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2503
2504         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2505
2506 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2507
2508         * config/vx-common.h: Fix typo in comment.
2509
2510 2008-01-28  Ian Lance Taylor  <iant@google.com>
2511
2512         PR c++/34862
2513         PR c++/33407
2514         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2515         coalesce pointers if they have different DECL_NO_TBAA_P values.
2516         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2517         between variables with different DECL_NO_TBAA_P values.
2518
2519 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2520
2521         PR 31535
2522         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2523         are not legitimate small data references on SPE targets.
2524
2525 2008-01-28  David Daney  <ddaney@avtrex.com>
2526
2527         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2528
2529 2008-01-28  David Daney  <ddaney@avtrex.com>
2530
2531         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2532
2533 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2534
2535         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2536         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2537         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2538         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2539         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2540         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2541         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2542         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2543
2544 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2545
2546         * basic-block.h (condjump_equiv_p): Fix comment.
2547
2548 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2549
2550         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2551         print_generic_stmt_indented): Fix comment.
2552
2553 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2554
2555         * configure.ac (__stack_chk_fail): Add detecion for availability
2556         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2557         * configure: Regenerate.
2558
2559 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2560
2561         PR middle-end/34688
2562         * final.c (output_addr_const): Handle TRUNCATE.
2563
2564 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2565
2566         PR target/34711
2567         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2568         (zero_cost, infinite_cost): New constants.
2569         (struct cost_pair): Change type of cost to comp_cost.
2570         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2571         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2572         New functions.
2573         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2574         split_address_cost, ptr_difference_cost, difference_cost,
2575         get_computation_cost_at, get_computation_cost,
2576         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2577         determine_use_iv_cost_condition, determine_use_iv_costs,
2578         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2579         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2580         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2581         Change type of cost to comp_cost.
2582         (determine_iv_cost): Increase cost of non-original ivs, instead
2583         of decreasing the cost of original ones.
2584         (get_address_cost): Indicate the complexity of the addressing mode
2585         in comp_cost.
2586         (try_add_cand_for): Prefer using ivs not specific to some object.
2587         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2588
2589 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2590             Janis Johnson  <janis187@us.ibm.com>
2591
2592         PR target/34814
2593         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2594         (TARGET_INSTANTIATE_DECLS): Likewise.
2595         * target.h (expand_to_rtl_hook): New target hook.
2596         (instantiate_decls): Likewise.
2597         * function.c (instantiate_decl): Make non-static.  Rename to...
2598         (instantiate_decl_rtl): ... this.
2599         (instantiate_expr): Use instantiate_decl_rtl.
2600         (instantiate_decls_1): Likewise.
2601         (instantiate_decls): Likewise.
2602         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2603         * function.h (instantiate_decl_rtl): Add prototype.
2604         * cfgexpand.c (target.h): New include.
2605         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2606         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2607         (TARGET_INSTANTIATE_DECLS): Likewise.
2608         (TARGET_INITIALIZER): New target hooks added.
2609         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2610         New prototype.
2611         * config/rs6000/rs6000.c (tree-flow.h): New include.
2612         (machine_function): Add sdmode_stack_slot field.
2613         (rs6000_alloc_sdmode_stack_slot): New function.
2614         (rs6000_instantiate_decls): Likewise.
2615         (rs6000_secondary_memory_needed_rtx): Likewise.
2616         (rs6000_check_sdmode): Likewise.
2617         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2618         (TARGET_INSTANTIATE_DECLS): Likewise.
2619         (rs6000_hard_regno_mode_ok): Allow SDmode.
2620         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2621         (rs6000_emit_move): Handle SDmode.
2622         (function_arg_advance): Likewise.
2623         (function_arg): Likewise.
2624         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2625         SDmode var args for 32-bit compiles.
2626         (rs6000_secondary_reload_class): Handle SDmode.
2627         (rs6000_output_function_epilogue): Likewise.
2628         (rs6000_function_value): Simplify if statement.
2629         (rs6000_libcall_value): Likewise.
2630         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2631         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2632         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2633         (movsd_hardfloat): New define_insn.
2634         (movsd_softfloat): Likewise.
2635         (movsd_store): Likewise.
2636         (movsd_load): Likewise.
2637         (extendsddd2): Likewise.
2638         (extendsdtd2): Likewise.
2639         (truncddsd2): Likewise.
2640         (movdd_hardfloat64): Fixup comment.
2641         (UNSPEC_MOVSD_LOAD): New constant.
2642         (UNSPEC_MOVSD_STORE): Likewise.
2643
2644 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2645
2646         PR c++/34965
2647         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2648         TRUTH_XOR_EXPR.
2649         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2650         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2651         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2652         and TRUTH_XOR_EXPR.
2653
2654 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2655
2656         PR target/34794
2657         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2658         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2659         __LONGDOUBLE128 too.
2660         * config/rs6000/aix61.h: New file.
2661
2662 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2663
2664         PR rtl-optimization/34959
2665         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2666         popcount and parity rtxes the same mode as their operand.
2667         Truncate or extend the result to the return value's mode
2668         if necessary.
2669
2670 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2671
2672         PR target/34981
2673         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2674         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2675         to GOT_VERSION_REGNUM.
2676         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2677         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2678         * config/mips/mips.c (mips_emit_call_insn): New function.
2679         (mips_call_tls_get_addr): Call mips_expand_call directly.
2680         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2681         emit_call_insn.
2682         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2683         (mips_expand_call): Update the call to mips16_build_call_stub
2684         accordingly and a remove redundant condition.  Assert that MIPS16
2685         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2686         the call insn.
2687         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2688         TARGET_USE_GOT.
2689         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2690         (mips_avoid_hazard): Remove hazard_set handling.
2691         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2692         (UNSPEC_RESTORE_GP): ...this.
2693         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2694         (FAKE_CALL_REGNO): Rename to...
2695         (GOT_VERSION_REGNUM): ...this.
2696         (type): Add "ghost" value.  Add an associated insn reservation.
2697         (hazard_set): Remove.
2698         (exception_receiver): Rename to...
2699         (restore_gp): ...this and update the unspec identifier accordingly.
2700         (exception_receiver, nonlocal_got_receiver): New expanders.
2701         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2702         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2703         (set_got_version, update_got_version): New patterns.
2704
2705 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2706
2707         PR target/34970
2708         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2709
2710 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2711
2712         PR other/31955
2713         * doc/install.texi2html: Generate gcc-vers.texi.
2714
2715 2008-01-25  DJ Delorie  <dj@redhat.com>
2716
2717         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2718
2719 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2720
2721         * config/c4x: Remove directory.
2722         * config.gcc (crx-*, mt-*): Mark obsolete.
2723         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2724         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2725         sh-*-rtemscoff*): Remove cases.
2726         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2727         * real.c (encode_c4x_single, decode_c4x_single,
2728         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2729         c4x_extended_format): Remove.
2730         * real.h (c4x_single_format, c4x_extended_format): Remove.
2731         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2732         on C4x.
2733         (Pragmas): Remove comment about c4x pragmas.
2734         * doc/install.texi (c4x): Remove target-specific instructions.
2735         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2736         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2737         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2738         refer to C4x source files as examples.
2739         (C4X_FLOAT_FORMAT): Remove documentation.
2740
2741 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2742
2743         * config/bfin/bfin.c (override_options): Reorder tests so that
2744         flag_pic gets enabled for -msep-data.
2745
2746 2008-01-25  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/32244
2749         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2750         to its bitfield precision if required.
2751
2752 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2753
2754         PR middle-end/33880
2755         * tree-nested.c (walk_omp_for): New function.
2756         (convert_nonlocal_reference, convert_local_reference): Call
2757         walk_omp_for on OMP_FOR.
2758         (convert_call_expr): Call walk_body on OMP_FOR's
2759         OMP_FOR_PRE_INIT_BODY.
2760
2761 2008-01-25  Richard Guenther  <rguenther@suse.de>
2762
2763         PR tree-optimization/34966
2764         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2765         default defs and PHI_NODEs we have to insert after the
2766         defining statement.
2767
2768 2008-01-24  Nick Clifton  <nickc@redhat.com>
2769
2770         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2771         Provide a default definition.
2772         (LIBGCC2_UNITS_PER_WORD): Likewise.
2773
2774         * config/stormy16/stormy16.c: Include df.h for the prototype
2775         for df_regs_ever_live_p.
2776         (xstormy16_expand_builtin_va_start): Convert the stack offset
2777         into a component_ref and then use POINTER_PLUS_EXPR to add it
2778         to the incoming_virtual_args_rtx.
2779         (xstormy16_gimplify_va_arg_expr): Rename to
2780         xstormy16_gimplify_va_arg_expr.
2781         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2782         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2783         xstormy16_gimplify_va_arg_expr.
2784         Fix up some formatting issues.
2785
2786         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2787         Move to predicates.md.
2788         (xs_hi_general_operand): Likewise.
2789         (xs_hi_nonmemory_operand): Likewise.
2790         * config/stormy16/predicates.md:
2791         (xstormy16_carry_plus_operand): New predicate.
2792         (xs_hi_general_operand): New predicate.
2793         (xs_hi_nonmemory_operand): New predicate.
2794         * config/stormy16/stormy16-protos.h:
2795         (xstormy16_carry_plus_operand): Delete prototype.
2796         (xs_hi_general_operand): Likewise.
2797         (xs_hi_nonmemory_operand): Likewise.
2798
2799         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2800         modifiers as they are no longer needed and they can trigger
2801         reload spill failures.
2802
2803         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2804         with a match_operand in order to help reload.
2805
2806         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2807         constraint with 'e' for the 8th alternative as this version of
2808         the mov.w instruction only accepts the lower 8 registers.
2809
2810 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2811
2812         PR target/34856
2813         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2814         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2815         vector elements.
2816
2817 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2818
2819         PR middle-end/33333
2820         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2821
2822 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2823
2824         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2825         New functions.
2826         (remove_structure): Update allocations list before removing structure.
2827
2828 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2829
2830         * ipa-struct-reorg.c (is_safe_cond_expr,
2831         create_new_stmts_for_cond_expr): Use integer_zerop function,
2832         that recognize not only zero-pointer, but zero-integer too.
2833
2834 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2835
2836         PR other/22232
2837         * fixproto: Escape "." in sed expression that strips leading "./".
2838
2839 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2840
2841         PR driver/34904
2842         * gcc.c (SWITCH_OK): Removed.
2843         (SWITCH_LIVE): Changed to bit.
2844         (SWITCH_FALSE): Likewise.
2845         (SWITCH_IGNORE): Likewise.
2846         (switchstr): Change live_cond to unsigned int.
2847         (process_command): Replace SWITCH_OK with 0.
2848         (do_self_spec): Likewise.
2849         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2850         (give_switch): Likewise.
2851         (used_arg): Likewise.
2852         (do_spec_1): Set the SWITCH_IGNORE bit.
2853         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2854         bits.  Set the SWITCH_LIVE bit.
2855
2856 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2857
2858         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2859
2860 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2861
2862         PR tree-optimization/34472
2863         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2864         parameter to a "bool *" and set *DATA to false if there is
2865         an unsafe access.  Do not delete the structure here.
2866         (check_cond_exprs): Delete it here instead.
2867         (check_cond_exprs, exclude_cold_structs): Do not increase
2868         I when removing a structure.
2869
2870 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2871
2872         PR target/34856
2873         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2874         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2875
2876 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR middle-end/34934
2879         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2880         a fixed vector for stack.
2881
2882 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2883
2884         PR c++/25701
2885         * doc/gcc.texi (Software development): Add a direntry for g++.
2886
2887 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2888
2889         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2890         stale and straggling -fforce-addr comments above.
2891
2892         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2893         define.
2894         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2895         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2896
2897 2008-01-23  Michael Matz  <matz@suse.de>
2898
2899         PR debug/34895
2900         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2901         gen_type_die.
2902
2903 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2904
2905         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2906         malloc result type.
2907
2908 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2909
2910         * config/avr/avr.c (avr_current_arch): New variable.
2911         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2912         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2913         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2914         (avr_override_options): Init 'avr_current_arch'.
2915         (base_arch_s): Move from here...
2916         * config/avr/avr.h (base_arch_s): ... here. Add new members
2917         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2918         'mega' to 'have_jmp_call'.
2919         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2920         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2921         macros.
2922         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2923         architectures.
2924         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2925         MULTILIB_MATCHES): (Ditto.).
2926
2927 2008-01-23  Richard Guenther  <rguenther@suse.de>
2928
2929         PR middle-end/31529
2930         * cgraphunit.c (cgraph_reset_node): Always mark the node
2931         not reachable if it is not queued already.
2932
2933 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2934
2935         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2936         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2937         (cputype_selected): New static variable.
2938         (bfin_handle_option): Set it if -mcpu is used.
2939         (override_option): Select default set of workarounds if no cpu type
2940         selected on the command line.
2941         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2942
2943         From  Michael Frysinger  <michael.frysinger@analog.com>
2944         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2945         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2946
2947         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2948         for bf547, bf523, bf524, and bf526.
2949         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2950         bf526.
2951         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2952         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2953         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2954         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2955         * doc/invoke.texi (Blackfin Options): Document that
2956         -mcpu now accept bf547, bf523, bf524, and bf526.
2957
2958 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2959
2960         PR rtl-optimization/34628
2961         * combine.c (try_combine): Stop and undo after the first combination
2962         if an autoincrement side-effect on the first insn has effectively
2963         been lost.
2964
2965 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2966
2967         PR target/34529
2968         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2969         Offset addresses are not valid for Altivec or paired float modes.
2970
2971 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2972
2973         PR c++/34607
2974         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2975         if DECL_INITIAL (decl) is error_mark_node.
2976
2977         PR c++/34914
2978         * c-common.c (handle_vector_size_attribute): Only allow
2979         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2980         the same way as pointer, array etc. types.
2981         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2982
2983         PR c++/34917
2984         * tree.c (build_type_attribute_qual_variant): Call
2985         build_qualified_type if attributes are equal, but quals are not.
2986
2987 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2988
2989         PR 32102
2990         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2991         * flags.h (warn_strict_aliasing): Remove.
2992         (warn_strict_overflow): Remove.
2993         * opts.c (warn_strict_aliasing): Remove.
2994         (warn_strict_overflow): Remove.
2995         * c-opts.c (c_common_handle_option): -Wall only sets
2996         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2997         (c_common_post_options): Give default values to -Wstrict-aliasing
2998         and -Wstrict-overflow if they are uninitialized.
2999         * common.opt (Wstrict-aliasing): Specify Var and Init.
3000         (Wstrict-overflow): Likewise.
3001
3002 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3003
3004         PR rtl-optimization/26854
3005         PR rtl-optimization/34400
3006         PR rtl-optimization/34884
3007         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3008         DF_RD->gen.
3009         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3010         (df_rd_bb_info.expanded_lr_out): Deleted
3011         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3012         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3013         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3014         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3015         Removed code to allocate, initialize or free expanded_lr_out.
3016         (df_rd_bb_local_compute_process_def): Restructured to make more
3017         understandable.
3018         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3019         sets if the sets are being trimmed.
3020
3021 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3022
3023         PR bootstrap/32287
3024         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3025         (as_vers): Likewise.
3026         * configure: Regenerated.
3027
3028 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3029
3030         PR middle-end/33092
3031         * tree-pass.h (pass_build_alias): New pass.
3032         * tree-ssa-alias.c (gate_build_alias): New.
3033         (pass_build_alias): New.
3034         * passes.c (init_optimization_passes): Add pass_build_alias after
3035         pass_create_structure_vars.
3036
3037 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3038
3039         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3040         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3041         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3042         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3043         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3044         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3045         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3046         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3047         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3048         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3049         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3050         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3051         * config/s390/s390.md (FP_ALL): New mode iterator.
3052         (_d): New mode attribute.
3053         ("*signbit<mode>2>"): Changed mode of first operand.
3054         ("isinf<mode>2"): Changed mode of first operand.
3055         ("*TDC_insn"): Adaptation for DFP modes.
3056
3057 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3058
3059         * tree.c (check_qualified_type): Improve function description.
3060
3061 2008-01-21  Jason Merrill  <jason@redhat.com>
3062
3063         PR c++/34196
3064         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3065         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3066         if it is set.
3067
3068 2008-01-21  DJ Delorie  <dj@redhat.com>
3069
3070         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3071         return zero.
3072
3073 2008-01-21  Richard Guenther  <rguenther@suse.de>
3074
3075         PR middle-end/34856
3076         * tree-cfg.c (verify_expr): Allow all invariant expressions
3077         instead of just constant class ones as reference argument.
3078         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3079         like any other constant.
3080         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3081
3082 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3083
3084         * regmove.c (fixup_match_1): Update call crossed frequencies.
3085
3086 2008-01-21  Richard Guenther  <rguenther@suse.de>
3087
3088         PR c/34885
3089         * tree-inline.c (setup_one_parameter): Deal with mismatched
3090         types using a VIEW_CONVERT_EXPR.
3091
3092 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3093             Olga Golovanevsky  <olga@il.ibm.com>
3094
3095         PR tree-optimization/34701
3096         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3097         when the structure size is not a power of 2.
3098
3099 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3100
3101         * doc/install.texi: Add doc for --enable-checking=df.
3102
3103 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3104
3105         PR rtl-optimization/34808
3106         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3107
3108 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3109
3110         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3111         input.
3112
3113 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3114
3115         PR rtl-optimization/26854
3116         PR rtl-optimization/34400
3117         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3118         DF_RD->gen.
3119         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3120         (df_rd_bb_info.expanded_lr_out): New.
3121         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3122         * loop_iv.c (iv_analysis_loop_init): Ditto.
3123         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3124         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3125         Added code to allocate, initialize or free expanded_lr_out.
3126         (df_rd_bb_local_compute_process_def): Restructured to make
3127         more understandable.
3128         (df_rd_confluence_n): Add code to do nothing with fake edges and
3129         code to no apply invalidate_by_call sets if the sets are being trimmed.
3130         (df_lr_local_finalize): Renamed to df_lr_finalize.
3131         (df_live_local_finalize): Renamed to df_live_finalize.
3132
3133 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3134
3135         PR target/34831
3136         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3137         deciding whether to use reciprocal instructions.
3138
3139 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3142         dwarf2out_note_section_used if cold_text_section is NULL.
3143
3144 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3145
3146         PR gcov-profile/34610
3147         * tree-cfg.c (make_edges): Mark both outgoing edges from
3148         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3149         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3150         from OMP_FOR and OMP_CONTINUE outgoing edges.
3151
3152         * tree-profile.c (tree_profiling): Return early if
3153         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3154         at the end.
3155         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3156         from cfun to child_cfun.
3157         * function.h (struct function): Add after_tree_profile bit.
3158
3159 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3160
3161         * config/avr/avr.S (_exit): Disable interrupt.
3162
3163 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3164             Steven Bosscher  <stevenb.gcc@gmail.com>
3165
3166         PR rtl-optimization/26854
3167         PR rtl-optimization/34400
3168         * df-problems.c (df_live_scratch): New scratch bitmap.
3169         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3170         (df_live_reset): Clear the proper bitmaps.
3171         (df_live_bb_local_compute): Only process the artificial defs once
3172         since the order is not important.
3173         (df_live_init): Init the df_live sets only with the variables
3174         found live by df_lr.
3175         (df_live_transfer_function): Use the df_lr sets to prune the
3176         df_live sets as they are being computed.
3177         (df_live_free): Free df_live_scratch.
3178
3179 2008-01-18  Ian Lance Taylor  <iant@google.com>
3180
3181         * common.opt: Add fmerge-debug-strings.
3182         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3183         flag_merge_debug_strings rather than flag_merge_constants.
3184         * doc/invoke.texi (Option Summary): Mention
3185         -fmerge-debug-strings.
3186         (Debugging Options): Document -fmerge-debug-strings.
3187
3188 2008-01-18  Ian Lance Taylor  <iant@google.com>
3189
3190         PR c++/33407
3191         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3192         (struct tree_function_decl): Add new field operator_new_flag.
3193         * tree-inline.c (expand_call_inline): When inlining a call to
3194         operator new, force the return value to go into a variable, and
3195         set DECL_NO_TBAA_P on that variable.
3196         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3197
3198 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3199
3200         PR debug/34484
3201         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3202         DWARF2_DEBUGGING_INFO.
3203         (dwarf2out_note_section_used): Ditto.  Add prototype.
3204         (have_multiple_function_sections, text_section_used,
3205         cold_text_section_used, *cold_text_sections): Move declarations
3206         before their uses.
3207
3208 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3209
3210         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3211         field and add signal_ra.
3212         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3213         assignments to frame state pc.  Move end of stack check after
3214         MD_FALLBACK_FRAME_STATE_FOR.
3215         (uw_update_context_1): Use frame state signal_regs if set, instead
3216         of checking signal_frame flag.
3217         (uw_update_context): Use frame state signal_ra if set.
3218         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3219         * config/xtensa/linux-unwind.h: New file.
3220
3221 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3222
3223         * modulo-sched.c (get_sched_window): Fix comment typo.
3224
3225 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3226
3227         PR tree-optimization/34648
3228         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3229
3230 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3231
3232         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3233         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3234
3235 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3236
3237         PR rtl-optimization/34400
3238         * df-core.c (df_worklist_dataflow_overeager,
3239         df_worklist_dataflow_doublequeue): New functions.
3240         (df_worklist_dataflow): Two different worklist solvers.
3241         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3242         New param.
3243
3244 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         PR testsuite/34821
3247         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3248         and ftree-parallelize-loops.
3249
3250 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3251
3252         PR rtl-optimization/34826
3253         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3254
3255 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3256
3257         * global.c (find_reg): Mark the eh regs as used if necessary.
3258         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3259         * ra.h (struct allocno): no_eh_reg field added.  Changed
3260         no_stack_reg type to bitfield.
3261
3262 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3263
3264         * tree.c (substitute_in_expr): Add missing 'break'.
3265
3266 2008-01-17  Richard Guenther  <rguenther@suse.de>
3267
3268         PR tree-optimization/34825
3269         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3270         x / x as division to handle.
3271
3272 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3273
3274         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3275         "-pthread" is specified.
3276         * pa-hpux11.h (LIB_SPEC): Likewise.
3277
3278 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3279             Peter Bergner  <bergner@vnet.ibm.com>
3280
3281         PR rtl-optimization/33796
3282         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3283
3284 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3285
3286         PR libgfortran/34699
3287         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3288         static links.
3289         * pa-hpux10.h (LINK_SPEC): Likewise.
3290         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3291
3292 2008-01-16  Richard Guenther  <rguenther@suse.de>
3293
3294         PR middle-end/32628
3295         * fold-const.c (fold_convert_const_int_from_int): Do not
3296         set overflow if that occured only because of a sign extension
3297         change when converting from/to a sizetype with the same
3298         precision and signedness.
3299
3300 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3301
3302         PR debug/34249
3303         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3304         location address to the correct place.  Update copyright year.
3305
3306 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3307
3308         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3309         no dependences in the dependence_relations vector.
3310
3311 2008-01-16  Jan Hubicka  <jh@suse.cz>
3312
3313         PR rtl-optimization/31396
3314         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3315         * cfg.c (dump_reg_info): Print it.
3316         * regs.h (struct reg_info_t): add freq_calls_crossed.
3317         (REG_FREQ_CALLS_CROSSED): New macro.
3318         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3319         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3320         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3321         regmove_optimize): Update call crossed frequencies.
3322         * local-alloc.c (struct qty): Add freq_calls_crossed.
3323         (alloc_qty): Copute freq_calls_crossed.
3324         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3325         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3326         * ra.h (struct allocno): Add freq_calls_crossed.
3327
3328 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3331         libgomp when compiling with ftree-parallelize-loops.
3332         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3333
3334 2008-01-16  Richard Guenther  <rguenther@suse.de>
3335
3336         PR tree-optimization/34769
3337         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3338         * tree.c (int_cst_value): Instead make this function more
3339         permissive in what it accepts as valid input.  Document this
3340         function always sign-extends the value.
3341
3342 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3343             Richard Guenther  <rguenther@suse.de>
3344
3345         PR c/34668
3346         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3347         (gimple_fold_indirect_ref_rhs): ... this.
3348         (gimple_fold_indirect_ref): New function with foldings
3349         that preserve lvalueness.
3350         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3351         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3352         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3353         to fold an INDIRECT_REF, fall back to the old use of
3354         fold_indirect_ref_1.
3355
3356 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * tree-data-ref.c (subscript_dependence_tester_1): Call
3359         free_conflict_function.
3360         (compute_self_dependence): Same.
3361
3362 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3363
3364         PR debug/34249
3365         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3366         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3367         function global.
3368         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3369         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3370         for DWARF2_UNWIND_INFO targets.
3371
3372 2008-01-16  Richard Guenther  <rguenther@suse.de>
3373
3374         PR c/34768
3375         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3376         type qualifiers for function types.
3377
3378 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3379
3380         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3381         loop_iterator li from previous commit.
3382
3383 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3384
3385         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3386
3387 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3390         (parallelize_loops): Don't parallelize irreducible components.
3391
3392 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3393
3394         PR c++/24924
3395         * c-opts (c_common_post_options): Do not enable CPP
3396         flag_pedantic_errors by default.
3397
3398 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3399
3400         PR rtl-optimization/31944
3401         * cse.c (remove_pseudo_from_table): New function.
3402         (merge_equiv_classes): Use above function to remove pseudo-registers.
3403         (invalidate): Likewise.
3404
3405 2008-01-13  Richard Guenther  <rguenther@suse.de>
3406
3407         PR middle-end/34601
3408         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3409         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3410
3411 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3412
3413         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3414         validate_change to unshare the source of the PC set.
3415
3416 2008-01-12  Jan Hubicka  <jh@suse.cz>
3417
3418         PR middle-end/32135
3419         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3420         references above array bounds.  This might trigger bounds checks for
3421         pointers to arrays.
3422
3423 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3426         new_replaceable_dependencies.
3427
3428 2008-01-12  Doug Kwan  <dougkwan@google.com>
3429
3430         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3431         instead of OPT_Wreturn_type in warning due to ignored return type
3432         qualifiers.
3433         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3434         options included in -Wextra.
3435         * c.opt: New option -Wignored_qualifiers.
3436         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3437         -Wignore_qualifiers.
3438         (-Wignored-qualifiers): Document.
3439         (-Wreturn-type): Remove description of functionality now handled
3440         by -Wignored-qualifiers.
3441
3442 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3443
3444         PR ada/33788
3445         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3446         NOP_EXPR if it is between integral types with the same precision.
3447
3448 2008-01-12  Jan Hubicka  <jh@suse.cz>
3449
3450         PR other/28023
3451         * invoke.texi (max-inline-recursive-depth): Fix default value.
3452
3453 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3454
3455         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3456         correct type.
3457
3458 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3459
3460         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3461
3462 2008-01-11  James E. Wilson  <wilson@specifix.com>
3463
3464         PR target/26015
3465         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3466
3467 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3468
3469         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3470         save/restore frame pointer register and don't use 'call-prologues'
3471         optimization in function with "OS_task" attribute.
3472
3473 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3474
3475         PR middle-end/31309
3476         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3477         when copying to memory.
3478
3479 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3480
3481         PR rtl-optimization/30905
3482         * cfgcleanup.c: Include dce.h
3483         (crossjumps_occured): New global variable.
3484         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3485         If something changed, set crossjumps_occured to true.
3486         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3487         Don't add/remove fake edges to exit here...
3488         (cleanup_cfg): ...but do it here, when crossjumping.
3489         Run a fast DCE when successful crossjumps occured in the latest
3490         iteration of try_optimize_cfg.
3491
3492 2008-01-11  Richard Guenther  <rguenther@suse.de>
3493
3494         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3495         (struct vn_unary_op_s): Likewise.
3496         (vn_reference_insert): Free old reference on hash collision.
3497
3498 2008-01-10  Raksit Ashok  <raksit@google.com>
3499
3500         PR rtl-optimization/27971
3501         * combine.c (find_split_point): Split PLUS expressions which are
3502         inside a MEM rtx, and whose first operand is complex.
3503
3504 2008-01-10  DJ Delorie  <dj@redhat.com>
3505
3506         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3507         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3508         (m32c_hard_regno_ok): Call the underlying function.
3509
3510 2008-01-10  Richard Guenther  <rguenther@suse.de>
3511
3512         PR middle-end/34683
3513         * tree-cfg.c (tree_merge_blocks): Do not go through the
3514         full-blown folding and stmt updating path if we just deal
3515         with virtual operands.
3516         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3517         test for abnormal SSA_NAMEs.
3518
3519 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3520
3521         PR middle-end/34641
3522         * reload.c (push_reload): Add assertions.  All constants from
3523         reg_equiv_constant should have been used for replacing the respective
3524         pseudo earlier.
3525         (find_reloads_address): Invoke find_reloads_address_part for
3526         constant taken from the reg_equiv_constant array.
3527
3528 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3529
3530         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3531         field (valnum) the first in the struct.  Replace bools with
3532         unit bit fields.
3533
3534 2008-01-10  Richard Guenther  <rguenther@suse.de>
3535
3536         PR tree-optimization/34651
3537         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3538         types and ordering for masking and converting.
3539
3540 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         PR tree-optimization/34017
3543         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3544         also for PHI_NODE expressions.
3545
3546 2008-01-09  Jan Hubicka  <jh@suse.cz>
3547
3548         PR tree-optimization/34708
3549         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3550         based on number of case labels.
3551         (init_inline_once): Remove switch_cost.
3552         * tree-inline.h (eni_weights_d): Remove switch_cost.
3553
3554 2008-01-09  Richard Guenther  <rguenther@suse.de>
3555         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3556
3557         PR middle-end/30132
3558         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3559         temporary if an rvalue is ok or an lvalue is not required.
3560
3561 2008-01-09  Richard Guenther  <rguenther@suse.de>
3562
3563         PR middle-end/34458
3564         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3565         adjust return type.
3566
3567 2008-01-09  Richard Guenther  <rguenther@suse.de>
3568
3569         PR middle-end/34679
3570         * tree.c (host_integerp): Check for sizetype only if the
3571         type is an integer type.
3572
3573 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3574
3575         PR debug/26364
3576         * opts.c (decode_options): Disable inlining of functions called
3577         once if not in unit-at-a-time mode.
3578
3579 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3580
3581         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3582
3583 2008-01-08  Richard Guenther  <rguenther@suse.de>
3584
3585         PR middle-end/31863
3586         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3587         out early if the result will be unused.
3588
3589 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3590
3591         PR target/34709
3592         Revert:
3593
3594         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3595         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3596         for TARGET_RECIP.
3597
3598 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3599
3600         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3601         for vectorization tuned.
3602
3603 2008-01-08  Richard Guenther  <rguenther@suse.de>
3604
3605         PR tree-optimization/34683
3606         * tree-ssa-operands.c (operand_build_cmp): Export.
3607         * tree-ssa-operands.h (operand_build_cmp): Declare.
3608         * tree-vn.c (vuses_compare): Remove.
3609         (sort_vuses): Use operand_build_cmp.
3610         (sort_vuses_heap): Likewise.
3611         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3612         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3613         (vdefs_to_vec): Do not sort already sorted VDEFs.
3614
3615 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3616
3617         PR middle-end/34694
3618         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3619
3620 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3621
3622         PR target/34702
3623         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3624         limitations of reciprocal sequences on x86 targets.
3625
3626 2008-01-08  Richard Guenther  <rguenther@suse.de>
3627
3628         PR tree-optimization/34683
3629         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3630
3631 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3632
3633         PR target/34622
3634         * config/darwin.c (darwin_mergeable_string_section): Don't use
3635         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3636
3637 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3638
3639         PR target/34682
3640         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3641         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3642         predicates of op0 and op1 to register_operand.
3643         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3644         expander using X87MODEF mode iterator.  Change predicates of
3645         op0 and op1 to register_operand.
3646         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3647         corresponding patterns and macroize using MODEF macro.  Change
3648         predicates of op0 and op1 to register_operand and remove
3649         "m" constraint. Disparage "r" alternative with "!".
3650         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3651         macroize using X87MODEF macro.  Change predicates of op0 and op1
3652         to register_operand and remove "m" constraint.  Disparage "r"
3653         alternative with "!".
3654         (absneg splitter with memory operands): Remove.
3655         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3656         patterns and macroize using X87MODEF mode iterator.
3657         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3658         Change predicate of op1 to register_operand.
3659         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3660         for memory operands.
3661
3662 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3663
3664         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3665
3666 2008-01-07  Richard Guenther  <rguenther@suse.de>
3667
3668         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3669         fields.
3670
3671 2008-01-07  Richard Guenther  <rguenther@suse.de>
3672
3673         PR tree-optimization/34683
3674         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3675         VOPs of the needed size to save memory.  Use VEC_quick_push
3676         to save compile-time.
3677         (vdefs_to_vec): Likewise.
3678
3679 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3680
3681         * config/spu/spu.md (divdf3): Genetate inline code for double
3682         division.  The implementation doesn't handle INF or NAN, therefore it
3683         only applies when -ffinite-math-only is given.
3684
3685 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3686
3687         PR libstdc++/34680
3688         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3689         * doc/cpp.texi ([Common Predefined Macros]): Document.
3690
3691 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3692
3693         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3694         order to use commutative addition instead of subtraction.
3695
3696 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3697             Mircea Namolaru  <namolaru@il.ibm.com>
3698             Vladimir Yanovsky  <yanov@il.ibm.com>
3699             Revital Eres  <eres@il.ibm.com>
3700
3701         PR tree-optimization/34263
3702         * tree-outof-ssa.c (process_single_block_loop_latch,
3703         contains_tree_r): New functions.
3704         (analyze_edges_for_bb): Call process_single_block_loop_latch
3705         function to empty single-basic-block latch block if possible.
3706
3707 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3708
3709         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3710         for TARGET_RECIP.
3711         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3712
3713 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3714
3715         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3716
3717 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3718
3719         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3720
3721 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3722
3723         PR tree-optimization/34618
3724         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3725         flag from T.
3726
3727 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3728
3729         PR target/34673
3730         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3731         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3732         Update copyright year.
3733
3734         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3735         Update copyright year.
3736         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3737         using NR fixup.
3738
3739 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3740
3741         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3742         edge does not point to current bb before changing need_assert.
3743
3744 2008-01-04  Richard Guenther  <rguenther@suse.de>
3745
3746         PR middle-end/34029
3747         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3748         for verifying purposes if they are is_gimple_min_invariant.
3749
3750 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3751
3752         PR tree-optimization/34448
3753         PR tree-optimization/34465
3754         * gimplify.c (gimplify_init_constructor): Add new parameter
3755         notify_temp_creation.  Use it.
3756         (gimplify_modify_expr_rhs): Take volatiles into account when
3757         optimizing constructors.
3758         Do not optimize constructors if gimplify_init_constructor will dump to
3759         memory.
3760         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3761         * gcc.c-torture/compile/pr34448.c: New.
3762
3763 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3764
3765         PR gcov-profile/34609
3766         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3767         return_slot if result is TREE_ADDRESSABLE.
3768
3769 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3770
3771         * config/mips/mips.md (sqrt_condition): Tweak comment.
3772         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3773
3774 2008-01-03  Tom Tromey  <tromey@redhat.com>
3775
3776         PR c/34457
3777         * c-common.c (c_type_hash): Handle VLAs.
3778
3779 2008-01-03  Jan Hubicka  <jh@suse.cz>
3780
3781         PR tree-optimization/31081
3782         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3783         0 when inlining and not inlining to first basic block.
3784         (remap_decl): When var is initialized to 0, don't set default_def.
3785         (expand_call_inline): Set entry_bb.
3786         * tree-inline.h (copy_body_data): Add entry_bb.
3787
3788 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3789
3790         PR c++/34619
3791         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3792         before returning.
3793
3794         PR tree-optimization/29484
3795         * tree-inline.c (inline_forbidden_p_2): New function.
3796         (inline_forbidden_p): Disallow inlining if some static var
3797         has an address of a local LABEL_DECL in its initializer.
3798         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3799         vs. inlining.
3800
3801 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         PR tree-optimization/34635
3804         * tree-data-ref.c (add_other_self_distances): Make sure that the
3805         evolution step is constant.
3806
3807 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3808
3809         PR middle-end/34608
3810         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3811
3812 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3813
3814         * tree-sra.c (scalarize_init): Insert the generate_element_init
3815         statements after the generate_element_zero statements.
3816
3817 2008-01-02  Richard Guenther  <rguenther@suse.de>
3818
3819         PR middle-end/34093
3820         PR middle-end/31976
3821         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3822         for very large number of operands instead of ICEing.
3823
3824 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3825
3826         PR target/34013
3827         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3828         while stack probing.
3829
3830 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3831
3832         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3833         in C++0x mode.
3834
3835 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3836
3837         PR libmudflap/26442
3838         * tree-mudflap.c (mx_register_decls): Guard warning by
3839         !DECL_ARTIFICIAL check.
3840
3841 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3842
3843         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3844         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3845         sse5_perm<mode>): Fix constraints.