gcc/ChangeLog

   1 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         PR target/35540
   4         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
   5         constraint for operand 1.
   6         (paritysi2_cmp): Use register_operand constraint for operand 2.
   7         Use earlyclobber modifier for operand 1.  Remove support for
   8         memory operands.
   9         (paritydi2_cmp): Use register_operand constraint for operand 3.
  10         Use earlyclobber modifier for operand 1.  Remove support for
  11         memory operands.
  12
  13 2008-03-11  Paul Brook  <paul@codesourcery.com>
  14             Vladimir Prus  <vladimir@codesourcery.com>
  15
  16         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
  17         (arm_compute_save_reg0_reg12_mask): Always
  18         check if register 11 must be saved.  Always safe hard frame pointer
  19         when frame_pointer_needeed.
  20         (arm_compute_save_reg_mask): Save IP and PC
  21         only with apcs frames.
  22         (arm_output_epilogue): Adjust Thumb2 codepath to
  23         be also invoked and work for ARM non-apcs frames.
  24         (arm_expand_prologue): Don't bother saving IP
  25         for non-apcs frame, since it's not clobbered by
  26         prologue code.  Implement non-apcs frame
  27         layout.
  28
  29 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
  30
  31         PR rtl-optimization/35281
  32         * expr.c (convert_move): Use a new pseudo for the intermediate
  33         from_mode->word_mode result.
  34
  35 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
  36
  37         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
  38         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
  39         * toplev.c (compile_file): Don't call it.
  40
  41 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
  42
  43         PR middle-end/35526
  44         * expr.c (store_expr): Call emit_block_move if the mode
  45         of "temp" RTX is BLKmode.
  46
  47 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  48             Richard Guenther  <rguenther@suse.de>
  49
  50         PR tree-optimization/31358
  51         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
  52         the step with a NULL_TREE.
  53         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
  54         to sizetype if type is a pointer type.
  55         (add_candidate_1): Don't convert the base and step to
  56         the generic type if the orginal type is a pointer type.
  57         (add_iv_value_candidates): Use sizetype for the step
  58         if type is a pointer type.
  59         (cand_value_at): Likewise.
  60         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
  61         for pointer types.
  62         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
  63         Don't convert the tem affine to the type.
  64         (add_elt_to_tree): Use sizetype for the step if a pointer.
  65         Use POINTER_PLUS_EXPR for pointers.
  66         (aff_combination_to_tree): Use sizetype for the step if a
  67         pointer.
  68
  69 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
  70
  71         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
  72         Remove commutativity hint.
  73
  74 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
  75
  76         PR c/35438
  77         PR c/35439
  78         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
  79         errorneous type.  Check that v is a VAR_DECL.
  80
  81         PR middle-end/35099
  82         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
  83
  84 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
  85
  86         PR tree-optimization/35494
  87         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
  88         may be overriden at link and run time.
  89
  90 2008-03-10  Richard Guenther  <rguenther@suse.de>
  91
  92         PR tree-optimization/34677
  93         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
  94         (poolify_tree): Likewise.
  95         (modify_expr_template): Likewise.
  96         (poolify_modify_stmt): Likewise.
  97         (insert_fake_stores): Handle all component-ref style stores
  98         in addition to INDIRECT_REF.  Also handle complex types.
  99         Do not poolify the inserted load.
 100         (realify_fake_stores): Do not rebuild the tree but only
 101         make it a SSA_NAME copy.
 102         (init_pre): Remove initialzation of modify_expr_template.
 103         Do not allocate modify_expr_node_pool.
 104         (fini_pre): Do not free modify_expr_node_pool.
 105
 106 2008-03-10  Paul Brook  <paul@codesourcery.com>
 107
 108         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
 109         to avoid conflicts.
 110
 111 2008-03-10  Paul Brook  <paul@codesourcery.com>
 112             Mark Shinwell  <shinwell@codesourcery.com>
 113
 114         * config/arm/cortex-r4.md: New.
 115         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
 116         insn attributes.
 117         * config/arm/arm.md: Include cortex-r4.md.
 118         (insn): Add smmls, sdiv and udiv values.
 119         (generic_sched): Don't use generic scheduling for Cortex-R4.
 120         (arm_issue_rate): New function.
 121         (TARGET_SCHED_ISSUE_RATE): Define.
 122
 123 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
 126
 127 2008-03-10  Richard Guenther  <rguenther@suse.de>
 128
 129         * tree-ssa-pre.c (get_sccvn_value): Simplify.
 130         (compute_avail): Do not add stmt uses to AVAIL_OUT.
 131
 132 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
 133
 134         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
 135         Set default to true.
 136
 137 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 138
 139         * c.opt (Wsynth): Deprecate.
 140         * doc/invoke.texi (Option Summary, Warning Options): Document
 141         -Wno-format-contains-nul.
 142
 143 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
 144
 145         PR target/35496
 146         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
 147         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
 148
 149 2008-03-09  Ira Rosen  <irar@il.ibm.com>
 150
 151         * config/rs6000/rs6000.c (builtin_description): Rename vector
 152         left shift operations.
 153         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
 154         (altivec_vsl<VI_char>): Rename to ...
 155         (ashl<mode>3): ... new name.
 156         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
 157         gen_ashlv4si3.
 158         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
 159
 160 2008-03-08  Richard Guenther  <rguenther@suse.de>
 161
 162         * coverage.h (tree_coverage_counter_addr): Declare.
 163         * coverage.c (tree_coverage_counter_addr): New function.
 164         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
 165         before using again.
 166         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
 167         (tree_gen_one_value_profiler): Likewise.
 168         (tree_gen_ic_profiler): Likewise.
 169         (tree_gen_average_profiler): Likewise.
 170         (tree_gen_ior_profiler): Likewise.
 171
 172 2008-03-08  Richard Guenther  <rguenther@suse.de>
 173
 174         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
 175         (vn_binary_op_insert): Likewise.
 176         (vn_unary_op_lookup): Likewise.
 177         (vn_unary_op_insert): Likewise.
 178         (vn_nary_op_lookup): Declare.
 179         (vn_nary_op_insert): Likewise.
 180         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
 181         and binary hashes, use a single obstack for unary_op_pool
 182         and binary_op_pool.
 183         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
 184         a single struct vn_nary_op_s.  Store tree code length and
 185         a variable number of operands.
 186         (struct vn_reference_op_struct): Remove unused op2.
 187         (vn_reference_op_eq): Do not compare op2.
 188         (vn_reference_op_compute_hash): Do not compute hash of op2.
 189         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
 190         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
 191         with vn_nary_op_compute_hash.
 192         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
 193         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
 194         vn_nary_op_lookup.
 195         (vn_unary_op_insert, vn_binary_op_insert): Replace with
 196         vn_nary_op_insert.
 197         (visit_unary_op): Call nary functions.
 198         (visit_binary_op): Likewise.
 199         (process_scc): Adjust for struct vn_tables_s changes.
 200         (allocate_vn_table): Likewise.
 201         (free_vn_table): Likewise.
 202         * tree-vn.c (vn_add): Call nary functions.
 203         (vn_lookup): Likewise.
 204
 205 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR target/35498
 208         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
 209         wdst back after sync_compare_and_swapqhi_internal.
 210
 211 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
 212
 213         PR target/22152
 214         * config/i386/i386-modes.def (V1DI): New vector mode.
 215         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
 216         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
 217         (MMXMODE248): Ditto.
 218         (MMXMODE): Add V1DI mode.
 219         (mmxvecsize): Change DI mode to V1DI mode.
 220         ("mov<mode>): Use MMXMODEI8 mode iterator.
 221         ("*mov<mode>_internal_rex64"): Ditto.
 222         ("*mov<mode>_internal"): Ditto.
 223         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
 224         ("mmx_sub<mode>3"): Ditto.
 225         ("mmx_adddi3"): Remove insn pattern.
 226         ("mmx_subdi3"): Ditto.
 227         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
 228         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
 229         ("mmx_ashl<mode>3"): Ditto.
 230         ("mmx_lshrdi3"): Remove insn pattern.
 231         ("mmx_ashldi3"): Ditto.
 232         * config/i386/i386.c (classify_argument): Handle V1DImode.
 233         (function_arg_advance_32): Ditto.
 234         (function_arg_32): Ditto.
 235         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
 236         mmx_addv1di3 insn pattern.
 237         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
 238         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
 239         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
 240         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
 241         Remove definitions of built-in functions.
 242         (V1DI_type_node): New node.
 243         (v1di_ftype_v1di_int): Ditto.
 244         (v1di_ftype_v1di_v1di): Ditto.
 245         (v2si_ftype_v2si_si): Ditto.
 246         (v4hi_ftype_v4hi_di): Remove node.
 247         (v2si_ftype_v2si_di): Ditto.
 248         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 249         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 250         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 251         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 252         Add new builtins using def_builtin_const.
 253         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 254         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 255         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 256         * config/i386/mmintrin.h (__v1di): New typedef.
 257         (_mm_add_si64): Cast arguments to __v1di type.
 258         (_mm_sub_si64): Ditto.
 259         (_mm_sll_pi16): Cast __count to __v4hi type.
 260         (_mm_sll_pi32): Cast __count to __v2si type.
 261         (_mm_sll_si64): Cast arguments to __v1di type.
 262         (_mm_srl_pi16): Cast __count to __v4hi type.
 263         (_mm_srl_pi32): Cast __count to __v2si type.
 264         (_mm_srl_si64): Cast arguments to __v1di type.
 265         (_mm_sra_pi16): Cast __count to __v4hi type.
 266         (_mm_sra_pi32): Cast __count to __v2si type.
 267         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 268         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 269         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 270         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 271         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 272         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 273         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 274         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 275         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 276         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 277         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 278         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 279
 280 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 281
 282         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 283
 284 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 285
 286         PR target/35373
 287         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 288         reg+const addressing for Altivec modes.  Don't generate reg+reg
 289         addressing for TFmode or TDmode quantities.
 290
 291 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
 292
 293         * c-common.c (vector_types_convertible_p): Call langhook
 294         instead of comptypes.
 295
 296 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 297
 298         PR tree-opt/35402
 299         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
 300         integral and scalar float variables which have a
 301         NULL DECL_INITIAL.
 302
 303 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
 304
 305         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
 306         dwarf_register_span hook when emitting unwind information for
 307         register-to-memory saves.
 308         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
 309         (rs6000_frame_related): Remove call to spe_synthesize_frame.
 310
 311 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
 312
 313         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
 314         for the same VAR_DECL.
 315
 316 2008-03-06  Tom Tromey  <tromey@redhat.com>
 317
 318         * treelang: Delete.
 319         * doc/standards.texi (Standards): Don't mention treelang.
 320         * doc/invoke.texi (Overall Options): Don't mention treelang.
 321         * doc/install.texi (Prerequisites): Don't mention bison or
 322         treelang.
 323         (Configuration): Don't mention treelang.
 324         (Building): Likewise.
 325         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
 326
 327 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
 328
 329         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
 330         word-extractions out of a multi-word object.
 331
 332 2008-03-06  Richard Guenther  <rguenther@suse.de>
 333
 334         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
 335         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
 336         result type and precision.
 337         * expr.c (get_inner_reference): Set unsignedp based on the result
 338         type of BIT_FIELD_REF.
 339         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
 340         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
 341         (try_instantiate_multiple_fields): Likewise.  Use the correct type
 342         for BIT_FIELD_REF.
 343         (sra_build_assignment): Likewise.
 344         (sra_build_elt_assignment): Likewise.
 345         (sra_explode_bitfield_assignment): Likewise.
 346         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
 347         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
 348         set BIT_FIELD_REF_UNSIGNED.
 349         (vectorizable_load): Likewise.
 350
 351 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 352
 353         * cse.c (cse_extended_basic_block): Invalidate artificial defs
 354         at bb start.
 355
 356 2008-03-06  Richard Guenther  <rguenther@suse.de>
 357
 358         * alias.c (struct alias_set_entry): Move has_zero_child field
 359         to pack with alias_set.
 360
 361 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 362
 363         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 364         32bit host.
 365
 366 2008-03-05  Ian Lance Taylor  <iant@google.com>
 367
 368         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
 369
 370 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
 371
 372         * fwprop.c (update_df): Support width and offset parameters of
 373         df_ref_create.
 374         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
 375         global_conflicts): Change DF_REF_EXTRACT to either
 376         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 377         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 378         * df-scan.c (df_ref_record, df_defs_record,
 379         df_ref_create_structure, df_def_record_1, df_uses_record,
 380         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 381         df_bb_refs_collect, df_entry_block_defs_collect,
 382         df_exit_block_uses_collect): Support new width and offset fields.
 383         (ref_extract_pool): New storage pool.
 384         (df_free_ref): New function.
 385         (df_reg_chain_unlink, df_free_collection_rec,
 386         df_sort_and_compress_refs): Call df_free_ref.
 387         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 388         of df_ref_extract.
 389         (df_ref_create_structure): Allocate df_ref_extract if offset and
 390         width fields are used.
 391         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 392         (df_uses_record): Get offset and width from ZERO_EXTRACT
 393         and SIGN_EXTRACT.
 394         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 395         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 396         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 397         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 398         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 399         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 400         (df_ref_extract): New structure.
 401         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 402         (df_ref_create): Add width and offset parameters.
 403
 404 2008-03-05  Richard Guenther  <rguenther@suse.de>
 405
 406         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 407         Use ranges_overlap_p.
 408         (offset_overlaps_with_access): Rename
 409         to ranges_overlap_p and move ...
 410         * tree-flow-inline.h (ranges_overlap_p): ... here.
 411
 412         * tree.h (get_inner_reference, handled_component_p): Update
 413         comments.
 414
 415         * tree.h (record_component_aliases, get_alias_set,
 416         alias_sets_conflict_p, alias_sets_must_conflict_p,
 417         objects_must_conflict_p): Move declarations ...
 418         * alias.h (record_component_aliases, get_alias_set,
 419         alias_sets_conflict_p, alias_sets_must_conflict_p,
 420         objects_must_conflict_p): ... here.
 421         Include coretypes.h.
 422         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 423
 424 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 425
 426         * cfg.c: Include tree-flow.h.
 427         (remove_edge_raw): Call redirect_edge_var_map_clear.
 428         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 429         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 430         (redirect_edge_var_map_result): New.
 431         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 432         PENDING_STMT use with redirect_edge_var_map_*.
 433         * tree-ssa.c (edge_var_maps): New definition.
 434         (redirect_edge_var_map_add): New.
 435         (redirect_edge_var_map_clear): New.
 436         (redirect_edge_var_map_dup): New.
 437         (redirect_edge_var_map_vector): New.
 438         (redirect_edge_var_map_destroy): New.
 439         (ssa_redirect_edge): Replace PENDING_STMT use with
 440         redirect_edge_var_map_*.
 441         (flush_pending_stmts): Same.
 442         (delete_tree_ssa): Destroy edge var map.
 443         * tree-flow.h (struct _edge_var_map): New.
 444         Define edge_var_map vector type.
 445         Declare redirect_edge_var_map_* prototypes.
 446         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 447         * tree-cfg.c (reinstall_phi_args): Replace
 448         PENDING_STMT use with redirect_edge_var_map_*.
 449
 450 2008-03-05  Richard Guenther  <rguenther@suse.de>
 451
 452         PR tree-optimization/35472
 453         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 454         whose single use_stmt has a overlapping set of loaded and
 455         stored symbols as that use_stmt might be a noop assignment then.
 456
 457 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 458
 459         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 460
 461 2008-03-05  Richard Guenther  <rguenther@suse.de>
 462
 463         PR c++/35336
 464         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 465         should be constants.
 466         * tree-cfg.c (verify_expr): Verify it.
 467         * fold-const.c (fold_truthop): Remove code generating
 468         BIT_FIELD_REFs of structure bases.
 469         (fold_binary): Likewise.
 470         (fold_ternary): Position and size of BIT_FIELD_REFs are
 471         always host integers.
 472         (make_bit_field_ref): Remove.
 473         (optimize_bit_field_compare): Remove.
 474         (all_ones_mask_p): Remove.
 475
 476 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 477
 478         PR gcc/33009
 479         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 480         (split_block_and_df_analyze): New. Split basic block and rebuild
 481         dataflow.
 482         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 483         SPLIT_BLOCK.
 484         (split_pattern_seq): Likewise.
 485         (erase_matching_seqs): Likewise.
 486         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 487
 488 2008-03-04  Geoff Keating  <geoffk@apple.com>
 489
 490         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 491         declaration and code.
 492         (tree_invalid_nonnegative_warnv_p): Likewise.
 493
 494 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 495
 496         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 497         examples.  Truncate option-names then causing overfull hbox.
 498
 499 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 500
 501         PR target/35222
 502         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 503         on hpux10.
 504         * configure: Rebuilt.
 505
 506 2008-03-04  Rafael Espindola  <espindola@google.com>
 507
 508         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 509         (tree_unary_nonnegative_warnv_p): New.
 510         (tree_binary_nonnegative_warnv_p): New.
 511         (tree_single_nonnegative_warnv_p): New.
 512         (tree_invalid_nonnegative_warnv_p): New.
 513         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 514
 515 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 516
 517         PR 28322
 518         * opts.c (handle_option): Postpone 'unknown option' errors only for
 519         warning options.
 520
 521 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 522
 523         PR target/35453
 524         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 525         (_SIDD_XXX): This.
 526
 527 2008-03-04  Rafael Espindola  <espindola@google.com>
 528
 529         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 530         (tree_binary_nonzero_warnv_p): New.
 531         (tree_single_nonzero_warnv_p): New.
 532         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 533
 534 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 535
 536         PR middle-end/35456
 537         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 538         transformations for modes that have signed zeros.
 539         * ifcvt.c (noce_try_abs): Ditto.
 540
 541 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 542
 543         * config/i386/i386.c (override_options): Force
 544         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 545
 546 2008-03-04  Jan Hubicka  <jh@suse.cz>
 547
 548         PR c++/35262
 549         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 550         in last commit.
 551
 552 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 553
 554         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 555         label to probe the stack.
 556
 557 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 558
 559         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 560         (__gthr_win32_mutex_destroy): Declare.
 561         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 562         __gthr_win32_mutex_destroy.
 563         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 564
 565 2008-03-03  Jan Hubicka  <jh@suse.cz>
 566
 567         PR c++/35262
 568         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 569         aggressive on inlining cold calls.
 570
 571 2008-03-03  Richard Guenther  <rguenther@suse.de>
 572
 573         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 574         struct copies into the expression table.
 575         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 576         (try_to_simplify): Likewise.
 577         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 578         integral and pointer arguments which do not change the
 579         precision to NOP_EXPRs.
 580         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 581         VIEW_CONVERT_EXPR case.
 582
 583 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 586         defined in a loop at depth 0 is invariant.
 587         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 588         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 589         be called at loop depth 0.
 590
 591 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 592
 593         PR driver/35420
 594         * gcc.c (process_command): Update copyright notice dates.
 595         * gcov.c (print_version): Likewise.
 596         * gcov-dump.c (print_version): Likewise.
 597         * mips-tfile.c (main): Likewise.
 598         * mips-tdump.c (main): Likewise.
 599
 600 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 601
 602         PR 24924
 603         * c-common.c (flag_permissive): Delete.
 604         (constant_expression_warnings): Check flags first.
 605         (constant_expression_error): New.
 606         * c-common.h (flag_permissive): Delete.
 607         (constant_expression_error): Declare.
 608         * flags.h (flag_permissive): Declare. Update description.
 609         * diagnostic.c (pedwarn): Update.
 610         (permerror): New.
 611         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 612         (permissive_error_kind): New.
 613         * toplev.c (flag_permissive): Define. Update description.
 614         * toplev.h (permissive_error_kind): Declare.
 615         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 616         (pedwarn_c90): Use pedantic_warning_kind.
 617         * c-opts.c (c_common_post_options): flag_permissive does not affect
 618         flag_pedantic_errors.
 619
 620 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 621
 622         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 623         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 624         __absvsi2, __absvDI2): Use unsigned arithmetic.
 625
 626 2008-03-02  Andi Kleen  <ak@suse.de>
 627             Richard Guenther  <rguenther@suse.de>
 628
 629         * struct-equiv.c: Remove file.
 630         * cfg_cleanup.c (condjump_equiv_p): Remove.
 631         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 632         (struct-equiv.o): Remove rule.
 633         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 634         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 635         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 636
 637 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 638
 639         * ifcvt.c (noce_process_if_block): Try to handle only the then
 640         block if the else block exists but isn't suitable.
 641
 642 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 643
 644         PR gcc/35063
 645         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 646         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 647         regression from previous patch.
 648
 649 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 650
 651         PR gcc/35063
 652         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 653         implemented.
 654         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 655         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 656         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 657         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 658         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 659         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
 660         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
 661         (__gthread_mutex_destroy_function): Rename to
 662         __gthread_mutex_destroy.
 663         * gthr-dce.h (__gthread_mutex_destroy): Call
 664         pthread_mutex_destroy.
 665         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
 666         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
 667         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
 668
 669 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 670
 671         * df-scan.c (df_ref_chain_change_bb): Simplify.
 672         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
 673         set_block_for_insn if there's any change.
 674         * df.h ((df_insn_change_bb): Fix prototype.
 675         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
 676         df_insn_change_bb, don't call set_block_for_insn.
 677         * emit-rtl.c (reorder_insns): Likewise.
 678         * haifa-sched.c (move_insn): Likewise.
 679
 680 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 681
 682         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
 683
 684 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 685
 686         * tree-flow-inline.h (next_readonly_imm_use): Return
 687         NULL_USE_OPERAND_P after the end.
 688
 689 2008-03-01  Richard Guenther  <rguenther@suse.de>
 690
 691         PR tree-optimization/35411
 692         * tree-sra.c (sra_build_assignment): Split conversion to
 693         final type to a separate statement if we are not assigning
 694         to a register.
 695
 696 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 697
 698         * fold-const.c (fold_convertible_p): Correct the logic to follow
 699         that in fold_convert().
 700
 701 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 702
 703         PR c++/35315
 704         * tree-inline.c (build_duplicate_type): When we make a
 705         duplicate type, make it unique in the canonical types system.
 706
 707 2008-02-29  Tom Tromey  <tromey@redhat.com>
 708
 709         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 710         input_file_stack_history, input_file_stack_restored): Remove.
 711         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 712         * input.h (struct file_stack): Remove.
 713         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 714         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 715         Likewise.
 716         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 717         type.
 718         (diagnostic_last_module_changed): Add 'map' argument.
 719         (diagnostic_set_last_function): Likewise.
 720         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 721         line map, not input_file_stack.
 722         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 723
 724 2008-02-29  Paul Brook  <paul@codesourcery.com>
 725
 726         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 727
 728 2008-02-29  Paul Brook  <paul@codesourcery.com>
 729
 730         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 731
 732 2008-02-29  Richard Guenther  <rguenther@suse.de>
 733
 734         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 735         vn_lookup_or_add.
 736         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 737         value for comparing for a store match.
 738         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 739         (try_to_simplify): Do not do a full-blown reference lookup.
 740
 741 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 742
 743         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 744         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 745
 746         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 747
 748 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 751         strides against cache sizes.
 752
 753 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 754
 755         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 756         constant to fpul.
 757
 758 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 759
 760         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 761         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 762         is smaller than the original promoted value.
 763         (simplify_subreg): If OP is a SUBREG, try to preserve its
 764         SUBREG_PROMOTED_VAR_P information.
 765
 766 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 767
 768         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 769         (VN_INFO_GET): Allocate new objects on the obstack.
 770         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 771         for rpo_numbers_temp, for consistency.
 772         (free_scc_vn): Free the obstack.
 773
 774 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 775
 776         * doc/invoke.texi: Document -ftree-loop-distribution.
 777         * tree-loop-distribution.c: New.
 778         * tree-pass.h (pass_loop_distribution): New.
 779         * graphds.h (struct graph): Add htab_t indices.
 780         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 781         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 782         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 783         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 784         * tree-data-ref.c (debug_data_dependence_relations): New.
 785         (dump_data_dependence_relation): Also print data references.
 786         (free_data_ref): Extern.
 787         (same_access_functions): Moved...
 788         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 789         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 790         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 791         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 792         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 793         (stmts_from_loop): Skip LABEL_EXPR.
 794         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
 795         New.
 796         (build_rdg): Initialize rdg->indices htab.
 797         (free_rdg, stores_from_loop, ref_base_address,
 798         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 799         have_similar_memory_accesses_1, ref_base_address_1,
 800         remove_similar_memory_refs): New.
 801         * tree-data-ref.h: Depend on tree-chrec.h.
 802         (debug_data_dependence_relations, free_data_ref): Declared.
 803         (same_access_functions): ... here.
 804         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
 805         New.
 806         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 807         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 808         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 809         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 810         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 811         rdg_vertex_for_stmt): Declared.
 812         (struct rdg_edge): Add level.
 813         (RDGE_LEVEL): New.
 814         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 815         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
 816         Declared.
 817         (rdg_has_similar_memory_accesses): New.
 818         * tree-vect-analyze.c: Remove unused static decls.
 819         * lambda.h (dependence_level): New.
 820         * common.opt (ftree-loop-distribution): New.
 821         * tree-flow.h (mark_virtual_ops_in_bb,
 822         slpeel_tree_duplicate_loop_to_edge_cfg,
 823         rename_variables_in_loop): Declared.
 824         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 825         (OBJS-common): Add tree-loop-distribution.o.
 826         (tree-loop-distribution.o): New rule.
 827         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 828         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 829         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 830
 831 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 832
 833         PR target/33963
 834         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 835         other than structures and unions.
 836
 837 2008-02-28  Richard Guenther  <rguenther@suse.de>
 838
 839         Revert:
 840         2008-02-26  Richard Guenther  <rguenther@suse.de>
 841
 842         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 843         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 844         (lookup_decl_from_uid): Declare.
 845         (remove_decl_from_map): Likewise.
 846         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 847         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 848         (decl_for_uid_map): New global hashtable mapping DECL_UID
 849         to the decl tree.
 850         (init_ttree): Allocate it.
 851         (insert_decl_to_uid_decl_map): New helper function.
 852         (make_node_stat): Insert new decls into the map.
 853         (copy_node_stat): Likewise.
 854         (lookup_decl_from_uid): New function.
 855         (remove_decl_from_map): Likewise.
 856         (print_decl_for_uid_map_statistics): New helper.
 857         (dump_tree_statistics): Call it.
 858
 859         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 860         (referenced_var_iterator): Adjust.
 861         (FOR_EACH_REFERENCED_VAR): Adjust.
 862         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 863         (num_referenced_vars): Adjust.
 864         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 865         (first_referenced_var): Remove.
 866         (end_referenced_vars_p): Likewise.
 867         (next_referenced_var): Likewise.
 868         (referenced_var_iterator_set): New helper function.
 869         * tree-dfa.c (referenced_var_lookup): Adjust.
 870         (referenced_var_check_and_insert): Likewise.
 871         (remove_referenced_var): Likewise.
 872         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 873         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 874         (verify_call_clobbering): Likewise.
 875         (verify_memory_partitions): Likewise.
 876         (init_tree_ssa): Allocate bitmap instead of hashtable for
 877         referenced_vars.
 878         (delete_tree_ssa): Adjust.
 879         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 880         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 881         (compute_tag_properties): Likewise.
 882         (set_initial_properties): Likewise.
 883         (find_partition_for): Likewise.
 884         (update_reference_counts): Likewise.
 885         (dump_may_aliases_for): Likewise.
 886         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 887         (add_call_clobber_ops): Likewise.
 888         (add_call_read_ops): Likewise.
 889         (get_asm_expr_operands): Likewise.
 890         * tree-into-ssa.c (dump_decl_set): Likewise.
 891         (update_ssa): Likewise.
 892         * tree-sra.c (scan_function): Likewise.
 893         (decide_instantiations): Likewise.
 894         (scalarize_parms): Likewise.
 895         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 896         (dsa_named_for): Likewise.
 897         * tree-ssa-structalias.c (update_alias_info): Likewise.
 898         (merge_smts_into): Likewise.
 899
 900 2008-02-27  David Daney  <ddaney@avtrex.com>
 901
 902         PR target/34409
 903         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 904         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 905         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 906         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 907         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 908
 909 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 910
 911         PR target/25477
 912         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 913         (BUILT_IN_NEXTTOWARD): Remove.
 914         (BUILT_IN_NEXTTOWARDF): Ditto.
 915         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 916         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 917
 918 2008-02-27  Tom Tromey  <tromey@redhat.com>
 919
 920         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 921         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 922
 923 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 924
 925         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 926         update the respective field on newdecl.
 927
 928 2008-02-27  Revital Eres  <eres@il.ibm.com>
 929
 930         PR rtl-optimization/34999
 931         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 932         crossing edges that ends with a call insn.
 933         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 934         call insn and clear the EDGE_CROSSING flag of the crossing edge
 935         when fixing fallthru edges.
 936
 937 2008-02-27  Richard Guenther  <rguenther@suse.de>
 938
 939         PR middle-end/35390
 940         * fold-const.c (fold_unary): Return the correct argument,
 941         converted to the result type.
 942
 943 2008-02-27  Richard Guenther  <rguenther@suse.de>
 944
 945         PR middle-end/34971
 946         * expr.c (expand_expr_real_1): Assert on rotates that operate
 947         on partial modes.
 948         * fold-const.c (fold_binary): Use the types precision, not the
 949         bitsize of the mode if folding rotate expressions.  Build rotates
 950         only for full modes.
 951
 952 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 953
 954         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 955         and CPP_PRAGMA_EOL.
 956         * c-pragma.c (pragma_ns_name): New typedef.
 957         (registered_pp_pragmas): New variable.
 958         (c_pp_lookup_pragma): New function.
 959         (c_register_pragma_1): If flag_preprocess_only, do nothing
 960         for non-expanded pragmas, for expanded ones push pragma's
 961         namespace and name into registered_pp_pragmas vector.
 962         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 963         flag_preprocess_only, don't register GCC pch_preprocess
 964         pragma if flag_preprocess_only.
 965         * c-opts.c (c_common_init): Call init_pragma even if
 966         flag_preprocess_only.
 967         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 968         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 969         cpp_register_pragma if flag_preprocess_only.
 970
 971 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 972
 973         PR c/28800
 974         * c-parser.c (c_parser_translation_unit): Warn for empty
 975         translation unit, not empty source file.
 976
 977 2008-02-26  Paul Brook  <paul@codesourcery.com>
 978
 979         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 980         operand for Thumb-2.
 981         * config/arm/arm.h (reg_class): Add CORE_REGS.
 982         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 983         (BASE_REG_CLASS): Use CORE_REGS.
 984         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 985         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 986         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 987         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 988         ARM_REGNO_OK_FOR_INDEX_P.
 989         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 990         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 991         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 992         (ldm/stm peepholes): Ditto.
 993         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 994         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 995         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 996         * config/arm/constraints.md: Enable "k" constraint on ARM.
 997
 998 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 999
1000         * config/rs6000/rs6000.c: Annotate cache line size field in all
1001         instances of struct processor_costs.
1002
1003 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1004
1005         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1006         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1007         jump_bypass): New counters.
1008         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1009         * dce.c (gate_ud_dce): Same.
1010         (gate_fast_dce): Same.
1011         * dse.c (gate_dse1): New function.
1012         (gate_dse2): New function.
1013         (gate_dse): Merge results of new gate functions.
1014         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1015         (gate_handle_jump_bypass): Add dbg_cnt.
1016         (gate_handle_gcse): Add dbg_cnt.
1017         * ifcvt.c (gate_handle_if_conversion): Same.
1018         (gate_handle_if_after_combine): Same.
1019         (gate_handle_if_after_reload): Same.
1020         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1021
1022 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1023
1024         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1025         line sizes.
1026         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1027
1028 2008-02-26  Jason Merrill  <jason@redhat.com>
1029
1030         PR c++/35315
1031         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1032         alone if it's the naming decl for the type's main variant.
1033
1034 2008-02-26  Tom Tromey  <tromey@redhat.com>
1035
1036         * system.h (USE_MAPPED_LOCATION): Poison.
1037         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1038         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1039         (make_goto_expr_edges): Likewise.
1040         (remove_bb): Likewise.
1041         (execute_warn_function_return): Likewise.
1042         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1043         location_t.
1044         * c-common.c (fname_decl): Remove old location code.
1045         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1046         location code.
1047         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1048         variant.
1049         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1050         (gen_rtx_ASM_INPUT): Likewise.
1051         (gen_rtx_ASM_INPUT_loc): Likewise.
1052         (get_rtx_asm_OPERANDS): Remove.
1053         * cfglayout.c (insn_locators_alloc): Remove old location code.
1054         (set_curr_insn_source_location): Likewise.
1055         (curr_insn_locator): Likewise.
1056         * print-tree.c (print_node): Remove old location code.
1057         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1058         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1059         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1060         location_from_locus.
1061         (construct_exit_block): Remove old location code.
1062         * emit-rtl.c (force_next_line_note): Remove old location code.
1063         * profile.c (branch_prob): Remove old location code.
1064         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1065         LOC_LINE): Remove old-location variants.
1066         * langhooks.c (lhd_print_error_function): Remove old location
1067         code.
1068         * configure, config.in: Rebuilt.
1069         * configure.ac (--enable-mapped-location): Remove.
1070         * c-decl.c (c_init_decl_processing): Remove old location code.
1071         (finish_function): Likewise.
1072         * recog.c (decode_asm_operands): Remove old location code.
1073         * c-pch.c (c_common_read_pch): Remove old location code.
1074         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1075         variants.
1076         * gimple-low.c (lower_function_body): Remove old location code.
1077         * toplev.c (unknown_location): Remove.
1078         (push_srcloc): Remove old-location variant.
1079         (process_options): Remove old location code.
1080         (lang_dependent_init): Likewise.
1081         * input.h (UNKNOWN_LOCATION): Move definition.
1082         (location_t): Undeprecate.
1083         (source_locus): Remove.
1084         (location_from_locus): Remove.
1085         (struct location_s): Remove.
1086         Remove all old-location code.
1087         (input_line, input_filename): Remove.
1088         * final.c (final_scan_insn): Remove old location code.
1089         * diagnostic.c (diagnostic_build_prefix): Remove
1090         USE_MAPPED_LOCATION test.
1091         * tree.h (gimple_stmt) <locus>: Now a location_t.
1092         (tree_exp) <locus>: Likewise.
1093         (DECL_IS_BUILTIN): Remove old-location variant.
1094         (annotate_with_file_line, annotate_with_locus): Likewise.
1095         (expr_locus, set_expr_locus): Update.
1096         * tree.c (build1_stat): Remove old location code.
1097         (last_annotated_node): Remove.
1098         (annotate_with_file_line): Remove old-location variant.
1099         (annotate_with_locus): Likewise.
1100         (expr_location): Remove old location code.
1101         (set_expr_location): Likewise.
1102         (expr_has_location): Likewise.
1103         (expr_locus): Likewise.
1104         (set_expr_locus): Likewise.
1105         (expr_filename): Don't use location_from_locus.
1106         (expr_lineno): Likewise.
1107         * rtl-error.c (location_for_asm): Remove old location code.
1108         * c-lex.c (cb_line_change): Remove old location code.
1109         (fe_file_change): Likewise.
1110         (cb_def_pragma): Likewise.
1111         (c_lex_with_flags): Likewise.
1112         * gengtype.c (do_typedef): Don't special-case location types.
1113         (define_location_structures): Remove.
1114         (main): Don't call define_location_structures.
1115         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1116         code.
1117
1118 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1119
1120         PR 26264
1121         * builtins.def (BUILT_IN_STDARG_START): Remove.
1122         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1123         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1124         * tree-inline.c (inline_forbidden_p_1): Likewise.
1125
1126 2008-02-26  Richard Guenther  <rguenther@suse.de>
1127
1128         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1129         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1130         (lookup_decl_from_uid): Declare.
1131         (remove_decl_from_map): Likewise.
1132         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1133         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1134         (decl_for_uid_map): New global hashtable mapping DECL_UID
1135         to the decl tree.
1136         (init_ttree): Allocate it.
1137         (insert_decl_to_uid_decl_map): New helper function.
1138         (make_node_stat): Insert new decls into the map.
1139         (copy_node_stat): Likewise.
1140         (lookup_decl_from_uid): New function.
1141         (remove_decl_from_map): Likewise.
1142         (print_decl_for_uid_map_statistics): New helper.
1143         (dump_tree_statistics): Call it.
1144
1145         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1146         (referenced_var_iterator): Adjust.
1147         (FOR_EACH_REFERENCED_VAR): Adjust.
1148         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1149         (num_referenced_vars): Adjust.
1150         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1151         (first_referenced_var): Remove.
1152         (end_referenced_vars_p): Likewise.
1153         (next_referenced_var): Likewise.
1154         (referenced_var_iterator_set): New helper function.
1155         * tree-dfa.c (referenced_var_lookup): Adjust.
1156         (referenced_var_check_and_insert): Likewise.
1157         (remove_referenced_var): Likewise.
1158         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1159         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1160         (verify_call_clobbering): Likewise.
1161         (verify_memory_partitions): Likewise.
1162         (init_tree_ssa): Allocate bitmap instead of hashtable for
1163         referenced_vars.
1164         (delete_tree_ssa): Adjust.
1165         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1166         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1167         (compute_tag_properties): Likewise.
1168         (set_initial_properties): Likewise.
1169         (find_partition_for): Likewise.
1170         (update_reference_counts): Likewise.
1171         (dump_may_aliases_for): Likewise.
1172         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1173         (add_call_clobber_ops): Likewise.
1174         (add_call_read_ops): Likewise.
1175         (get_asm_expr_operands): Likewise.
1176         * tree-into-ssa.c (dump_decl_set): Likewise.
1177         (update_ssa): Likewise.
1178         * tree-sra.c (scan_function): Likewise.
1179         (decide_instantiations): Likewise.
1180         (scalarize_parms): Likewise.
1181         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1182         (dsa_named_for): Likewise.
1183         * tree-ssa-structalias.c (update_alias_info): Likewise.
1184         (merge_smts_into): Likewise.
1185
1186 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1187
1188         PR 34351
1189         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1190         * c-opts.c (c_common_handle_option): Wall enables
1191         Wvolatile-register-var.
1192         * common.opt: Move Wvolatile-register-var to...
1193         * c.opt: ...here.
1194
1195 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1196
1197         * common.opt (Wlarger-than=): New.
1198         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1199         -Wlarger-than=.
1200         * opts.c (common_handle_option): Handle -Wlarger-than=.
1201         * optc-gen.awk: Likewise.
1202         * opth-gen.awk: Likewise.
1203         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1204         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1205
1206 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1207
1208         * c-common.c (match_case_to_enum_1): Add appropriate
1209         OPT_W* parameter to warning.
1210         (c_do_switch_warnings): Likewise.
1211         * c-typeck.c (warning_init): Add one more parameter following
1212         'warning' function.
1213         (push_init_level): Update call to warning_init.
1214         (pop_init_level): Likewise.
1215         (add_pending_init): Likewise.
1216         (output_init_element: Likewise.
1217
1218 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1219
1220         PR 28322
1221         * toplev.c (toplev_main): If there are warnings or error, print
1222         errors for ignored options.
1223         * opts.c (ignored_options): New static variable.
1224         (postpone_unknown_option_error): New.
1225         (print_ignored_options): New.
1226         (handle_option): Postpone errors for unknown -Wno-* options.
1227         * opts.h (print_ignored_options): Declare.
1228
1229 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1230
1231         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1232         to "ghost".
1233
1234 2008-02-25  Richard Guenther  <rguenther@suse.de>
1235
1236         Revert:
1237         2008-02-25  Richard Guenther  <rguenther@suse.de>
1238
1239         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1240         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1241         (lookup_decl_from_uid): Declare.
1242         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1243         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1244         (decl_for_uid_map): New global hashtable mapping DECL_UID
1245         to the decl tree.
1246         (init_ttree): Allocate it.
1247         (insert_decl_to_uid_decl_map): New helper function.
1248         (make_node_stat): Insert new decls into the map.
1249         (copy_node_stat): Likewise.
1250         (lookup_decl_from_uid): New function.
1251         (print_decl_for_uid_map_statistics): New helper.
1252         (dump_tree_statistics): Call it.
1253
1254         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1255         (referenced_var_iterator): Adjust.
1256         (FOR_EACH_REFERENCED_VAR): Adjust.
1257         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1258         (num_referenced_vars): Adjust.
1259         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1260         (first_referenced_var): Remove.
1261         (end_referenced_vars_p): Likewise.
1262         (next_referenced_var): Likewise.
1263         (referenced_var_iterator_set): New helper function.
1264         * tree-dfa.c (referenced_var_lookup): Adjust.
1265         (referenced_var_check_and_insert): Likewise.
1266         (remove_referenced_var): Likewise.
1267         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1268         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1269         (verify_call_clobbering): Likewise.
1270         (verify_memory_partitions): Likewise.
1271         (init_tree_ssa): Allocate bitmap instead of hashtable for
1272         referenced_vars.
1273         (delete_tree_ssa): Adjust.
1274         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1275         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1276         (compute_tag_properties): Likewise.
1277         (set_initial_properties): Likewise.
1278         (find_partition_for): Likewise.
1279         (update_reference_counts): Likewise.
1280         (dump_may_aliases_for): Likewise.
1281         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1282         (add_call_clobber_ops): Likewise.
1283         (add_call_read_ops): Likewise.
1284         (get_asm_expr_operands): Likewise.
1285         * tree-into-ssa.c (dump_decl_set): Likewise.
1286         (update_ssa): Likewise.
1287         * tree-sra.c (scan_function): Likewise.
1288         (decide_instantiations): Likewise.
1289         (scalarize_parms): Likewise.
1290         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1291         (dsa_named_for): Likewise.
1292         * tree-ssa-structalias.c (update_alias_info): Likewise.
1293         (merge_smts_into): Likewise.
1294
1295 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1296
1297         PR fortran/29549
1298         * doc/invoke.texi (-fcx-limited-range): Document new option.
1299         * toplev.c (process_options): Handle -fcx-fortran-rules.
1300         * common.opt: Add documentation for -fcx-fortran-rules.
1301
1302 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1303
1304         PR c/35162
1305         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1306         actual behaviour and C99.
1307
1308 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1309
1310         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1311         (ASM_CPU_POWER6_SPEC): Likewise.
1312         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1313         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1314         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1315
1316 2008-02-25  Richard Guenther  <rguenther@suse.de>
1317
1318         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1319         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1320         (lookup_decl_from_uid): Declare.
1321         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1322         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1323         (decl_for_uid_map): New global hashtable mapping DECL_UID
1324         to the decl tree.
1325         (init_ttree): Allocate it.
1326         (insert_decl_to_uid_decl_map): New helper function.
1327         (make_node_stat): Insert new decls into the map.
1328         (copy_node_stat): Likewise.
1329         (lookup_decl_from_uid): New function.
1330         (print_decl_for_uid_map_statistics): New helper.
1331         (dump_tree_statistics): Call it.
1332
1333         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1334         (referenced_var_iterator): Adjust.
1335         (FOR_EACH_REFERENCED_VAR): Adjust.
1336         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1337         (num_referenced_vars): Adjust.
1338         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1339         (first_referenced_var): Remove.
1340         (end_referenced_vars_p): Likewise.
1341         (next_referenced_var): Likewise.
1342         (referenced_var_iterator_set): New helper function.
1343         * tree-dfa.c (referenced_var_lookup): Adjust.
1344         (referenced_var_check_and_insert): Likewise.
1345         (remove_referenced_var): Likewise.
1346         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1347         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1348         (verify_call_clobbering): Likewise.
1349         (verify_memory_partitions): Likewise.
1350         (init_tree_ssa): Allocate bitmap instead of hashtable for
1351         referenced_vars.
1352         (delete_tree_ssa): Adjust.
1353         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1354         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1355         (compute_tag_properties): Likewise.
1356         (set_initial_properties): Likewise.
1357         (find_partition_for): Likewise.
1358         (update_reference_counts): Likewise.
1359         (dump_may_aliases_for): Likewise.
1360         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1361         (add_call_clobber_ops): Likewise.
1362         (add_call_read_ops): Likewise.
1363         (get_asm_expr_operands): Likewise.
1364         * tree-into-ssa.c (dump_decl_set): Likewise.
1365         (update_ssa): Likewise.
1366         * tree-sra.c (scan_function): Likewise.
1367         (decide_instantiations): Likewise.
1368         (scalarize_parms): Likewise.
1369         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1370         (dsa_named_for): Likewise.
1371         * tree-ssa-structalias.c (update_alias_info): Likewise.
1372         (merge_smts_into): Likewise.
1373
1374 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1375
1376         PR target/35258
1377         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1378         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1379         * alias.h (nonoverlapping_memrefs_p): Likewise.
1380
1381 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1382
1383         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1384         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1385         __emultls_get_address, __emultls_register_common,
1386         __floatundi?f, and _Unwind_GetIPInfo.
1387         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1388         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1389         (gen_regparm_prefix): Likewise.
1390         (i386_nlm_encode_section_info): Sync with
1391         config/i386/winnt.c:i386_pe_encode_section_info().
1392         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1393         i386_nlm_mangle_decl_assembler_name): New.
1394         (netware_override_options): New.
1395         * config/i386/netware.h (netware_override_options): Declare.
1396         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1397         (i386_nlm_mangle_decl_assembler_name): Declare.
1398         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1399
1400 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1401
1402         PR other/32948
1403         * c-decl.c (grokdeclarator): Remove unused local variables
1404         `typedef_type' and `type_as_written'.
1405         * bb-reorder.c
1406         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1407         unused local variable `has_hot_blocks'.
1408         (fix_crossing_conditional_branches): Remove unused local variable
1409         `prev_bb'.
1410
1411 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1412
1413         PR middle-end/19984
1414         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1415         using DEF_C99_BUILTIN.
1416         (BUILT_IN_NANF): Ditto.
1417         (BUILT_IN_NANL): Ditto.
1418
1419 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1420             Revital Eres  <eres@il.ibm.com>
1421
1422         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1423         regarding the order of two dependent insns in the same row.
1424
1425 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1426
1427         * stor-layout.c (layout_decl): Do not bump the alignment of a
1428         bit-field to more than byte alignment if it is packed.
1429
1430 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1431
1432         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1433         e300c2 and e300c3.
1434
1435 2008-02-24  Diego Novillo  <dnovillo@google.com>
1436
1437         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1438
1439         PR 33738
1440         * tree-vrp.c (vrp_evaluate_conditional): With
1441         -Wtype-limits, emit a warning when comparing against a
1442         constant outside the natural range of OP0's type.
1443         * c.opt (Wtype-limits): Move ...
1444         * common.opt (Wtype-limits): ... here.
1445
1446 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1447
1448         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1449         * config/rs6000/e300c2c3.md: New file.
1450         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1451         e300c2 and e300c3.
1452         (rs6000_override_options): Add e300c2 and e300c3 cases to
1453         processor_target_table. Do not allow usage of Altivec or Spe
1454         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1455         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1456         * config/rs6000/rs6000.h (processor_type): Add
1457         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1458         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1459         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1460         and ppce300c3. Include e300c2c3.md.
1461
1462 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1463
1464         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1465         instead of TARGET_STRICT_ALIGN.
1466
1467 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1468
1469         * explow.c (memory_address): Assert that the generated address is
1470         valid.
1471
1472 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1473
1474         PR target/25477
1475         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1476         * config/darwin-ppc-ldouble-patch.def: New file.
1477         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1478         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1479         SUBTARGET_INIT_BUILTINS if defined.
1480         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1481         New functions.
1482
1483 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1484
1485         PR rtl-opt/33512
1486         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1487         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1488
1489 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1490
1491         PR pch/35027
1492         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1493         file" warning condtional on -Winvalid-PCH.
1494
1495 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1496
1497         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1498
1499 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1500
1501         PR target/22076
1502         PR target/34256
1503         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1504         prevent reload from using MMX registers.
1505         (*mov<mode>_internal): Ditto.
1506         (*movv2sf_internal_rex64): Ditto.
1507         (*movv2sf_internal): Ditto.
1508
1509 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1510
1511         PR documentation/31569
1512         * doc/install.texi2html: Use makeinfo --no-number-sections.
1513
1514 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1515
1516         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1517         ensure that we can address an entire entity > 8 bytes.  Don't
1518         generate reg+reg addressing for such data.
1519
1520 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1521
1522         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1523         strings when optimizing for size, unless the target cares about
1524         alignment.
1525
1526 2008-02-22  Tom Tromey  <tromey@redhat.com>
1527
1528         * regclass.c (current_pass): Remove declaration.
1529
1530 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1531
1532         * config/avr/libgcc.S (__RAMPZ__): Define.
1533         (__do_copy_data): Add for devices with 128KB code memory.
1534
1535 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1536
1537         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1538         Use spe_abi.
1539         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1540
1541 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1542
1543         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1544         GENNONACR_REGS.
1545
1546 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1547
1548         PR c/19999
1549         * c-typeck.c (build_binary_op): Warn about floating point
1550         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1551
1552 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1553
1554         PR target/34526
1555         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1556         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1557         add vrsave.
1558         (rs6000_override_options): Set altivec_abi as default, not override,
1559         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1560         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1561         is used; use new member spe_abi.
1562         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1563         spe_abi and altivec_abi.
1564
1565 2008-02-22  Tomas Bily  <tbily@suse.cz>
1566
1567         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1568
1569 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1570
1571         PR bootstrap/35273
1572         * config.build (build_file_translate): Set to `CMD //c' only if
1573         it works.
1574         * Makefile.in (build_file_translate): Improve comment.
1575
1576 2008-02-21  Jan Hubicka  <jh@suse.cz>
1577
1578         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1579         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1580         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1581
1582 2008-02-21  Michael Matz  <matz@suse.de>
1583
1584         PR target/35264
1585         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1586
1587 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1588
1589         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1590         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1591         as insn constraint.
1592         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1593         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1594         SSE_VEC_FLOAT_MODE_P as insn constraint.
1595         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1596         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1597         sse4a_movntdf using MODEF mode iterator.
1598         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1599         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1600         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1601         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1602         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1603         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1604         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1605
1606 2008-02-21  Richard Guenther  <rguenther@suse.de>
1607
1608         * tree.def (PAREN_EXPR): New tree code.
1609         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1610         and PAREN_EXPR.
1611         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1612         * expr.c (expand_expr_real_1): Likewise.
1613         * tree-inline.c (estimate_num_insns_1): Likewise.
1614         * tree-complex.c (expand_complex_move): Likewise.
1615         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1616         as plain x.
1617
1618 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1619
1620         PR target/35225
1621         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1622
1623 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1624
1625         PR target/35190
1626         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1627
1628         * config/sh/sh.c (find_barrier): Don't go past
1629         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1630
1631 2008-02-20  DJ Delorie  <dj@redhat.com>
1632
1633         * config/h8300/h8300.md (insv): Force source operand to be a register.
1634
1635         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1636         as a jump, not as a plain insn.
1637
1638 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1639
1640         * doc/invoke.texi (Warning Options): Add new option
1641         -Wframe-larger-than=.
1642         (-Wframe-larger-than): Document.
1643
1644         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1645         Add declarations for new option variables.
1646
1647         * final.c (final_start_function): Check the frame size
1648         before emission and issue a Wframe-larger-than warning.
1649
1650         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1651         Add definitions for new option variables.
1652         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1653
1654         * common.opt (Wframe-larger-than=): New option.
1655
1656 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1657
1658         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1659         (<sse>_div<mode>3): Ditto.
1660         (<sse>_vmdiv<mode>3): Ditto.
1661         (<sse>_vmsqrt<mode>2): Ditto.
1662         (*smax<mode>3): Ditto.
1663         (sse5_frcz<mode>2): Ditto.
1664         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1665         as insn constraint.
1666
1667 2008-02-20  Richard Guenther  <rguenther@suse.de>
1668
1669         PR middle-end/35265
1670         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1671         be happy with INTEGRAL_TYPE_P.
1672
1673 2008-02-20  Richard Guenther  <rguenther@suse.de>
1674
1675         * fold-const.c (split_tree): Associate floatig-point expressions
1676         if flag_associative_math is set.
1677
1678 2008-02-20  Richard Guenther  <rguenther@suse.de>
1679
1680         * tree.h (fold_real_zero_addition_p): Declare.
1681         * fold-const.c (fold_real_zero_addition_p): Export.
1682         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1683         floating-point operations with zero and one.
1684
1685 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1686
1687         * doc/install.texi: Correct references to CFLAGS, replacing them
1688         with BOOT_CFLAGS.  Document flags used during bootstrap for
1689         target libraries.
1690
1691 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1692
1693         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1694         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1695         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1696         insn constraint.
1697         (smin<mode>3): Ditto from similar patterns.
1698         (smax<mode>3): Ditto.
1699         (*ieee_smin<mode>3): Ditto.
1700         (*ieee_smax<mode>3): Ditto.
1701         * config/i386/sse.md (sse): New mode attribute.
1702         (mov<mode>): Macroize expander from movv4sf and movv2df using
1703         SSEMODEF2P mode iterator.
1704         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1705         SSE_VEC_FLOAT_MODE_P as insn constraint.
1706         (storent<mode>): Ditto.
1707         (storent<mode>): Macroize expander from storentsf and storentdf using
1708         MODEF mode iterator.
1709         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1710         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1711         (abs<mode>2): Ditto from similar patterns.
1712         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1713         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1714         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1715         (<sse>_vmsqrt<mode>2): Ditto.
1716         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1717         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1718         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1719         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1720         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1721         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1722         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1723         insn constraint.
1724         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1725         iterator and SSE_FLOAT_MODE_P as insn constraint.
1726         (<sse>_ucomi): Ditto from similar patterns.
1727         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1728         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1729         SSE_VEC_FLOAT_MODE_P as insn constraint.
1730         (vcond<mode>): Ditto from similar patterns.
1731         (and<mode>3, *and<mode>3): Ditto.
1732         (<sse>_nand<mode>3): Ditto.
1733         (ior<mode>3, *ior<mode>3): Ditto.
1734         (xor<mode>3, *xor<mode>3): Ditto.
1735         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1736         iterator and SSE_FLOAT_MODE_P as insn constraint.
1737         (*nand<mode>3): Ditto from similar patterns.
1738         (*ior<mode>3): Ditto.
1739         (*xor<mode>3): Ditto.
1740
1741 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1742
1743         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1744         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1745         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1746
1747 2008-02-19  Jan Hubicka  <jh@suse.cz>
1748
1749         * predict.c (tree_bb_level_predictions): Remove variable next
1750         mistakely introduced by previous commit.
1751
1752 2008-02-19  Jan Hubicka  <jh@suse.cz>
1753
1754         * predict.c (predict_paths_leading_to): Rewrite.
1755         (predict_paths_for_bb): New.
1756         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1757
1758 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1759
1760         PR bootstrap/35218
1761         * Makefile.in (build_file_translate): New.
1762         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1763         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1764         * configure.ac (build_file_translate): Substitute it.
1765         * configure: Regenerate.
1766
1767 2008-02-19  Jan Hubicka  <jh@suse.cz>
1768
1769         PR rtl-optimization/34408
1770         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1771         invalid sharing.
1772
1773 2008-02-19  Jan Hubicka  <jh@suse.cz>
1774
1775         PR middle-end/28779
1776         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1777         call_expr.
1778
1779 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1780
1781         PR Ada/35186
1782         * config/i386/i386-modes.def: Revert the last DI alignment
1783         change until Ada people can look into it.
1784
1785 2008-02-19  Nick Clifton  <nickc@redhat.com>
1786
1787         * opts.c (print_specific_help): Fix typo in --help text.
1788
1789 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR target/35239
1792         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1793         32-bit inline asm without asm alternatives for host GCC < 3.0.
1794
1795 2008-02-19  Richard Guenther  <rguenther@suse.de>
1796
1797         PR tree-optimization/34989
1798         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1799         Allow propagation to INDIRECT_REF if we can simplify only.
1800
1801 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1802
1803         * c-common.c (warn_for_collisions_1): Use appropriate option when
1804         warning.
1805
1806 2008-02-19  Nick Clifton  <nickc@redhat.com>
1807
1808         PR other/31349
1809         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1810         (handle_options): Fix indentation.
1811         (print_filtered_help): If no language-specific options were
1812         displayed tell the user how to list all the options supported by
1813         the language's front-end.
1814         (print_specific_help): Fix indentation and remove duplicate line.
1815         (common_handle_option): Handle the -v option.
1816         For --help enable the display of undocumented options if the -v
1817         switch has been included on the command line.
1818         For --help= check for overlaps in the arguments between the option
1819         classes and the language names and issue a warning when they
1820         cannot be disambiguated.
1821         * c.opt (v): Pass on to the common option handler.
1822
1823 2008-02-19  Revital Eres  <eres@il.ibm.com>
1824
1825         * modulo-sched.c (sms_schedule): Change dump message when
1826         create_ddg function fails.
1827         (try_scheduling_node_in_cycle): Rename row to cycle.
1828         (print_partial_schedule): Rename CYCLE to ROW.
1829
1830 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1831             Zdenek Dvorak  <ook@ucw.cz>
1832
1833         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1834
1835 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1836
1837         PR target/33555
1838         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1839         (*x86_movdicc_0_m1_se): Ditto.
1840
1841 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1842
1843         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1844         (CMPtype): Define as __gcc_CMPtype.
1845         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1846         (CMPtype): Define as __gcc_CMPtype.
1847
1848 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1849
1850         Support valgrind 3.3 for --enable-checking=valgrind.
1851         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1852         here.
1853         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1854         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1855         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1856         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1857         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1858         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1859         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1860         respectively.
1861         * ggc-zone.c: Similar.
1862         * ggc-page.c: Similar.
1863
1864 2008-02-19  Paul Brook  <paul@codesourcery.com>
1865
1866         PR target/35071
1867         * config/arm/ieee754-df.S: Fix do_it typo.
1868         * config/arm/ieee754-sf.S: Fix do_it typo.
1869
1870 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1871
1872         PR target/35189
1873         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1874         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1875         (OPTION_MASK_ISA_SSE_SET): Likewise.
1876         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1877         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1878         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1879         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1880         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1881         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1882         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1883         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1884         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1885         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1886         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1887         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1888         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1889         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1890         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1891         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1892         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1893         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1894         (OPTION_MASK_ISA_SSE4): Removed.
1895         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1896         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1897         (override_options): Don't turn on implied SSE/MMX bits in
1898         ix86_isa_flags.
1899
1900 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1901
1902         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1903         32bit host.
1904
1905 2008-02-18  Joey Ye  <joey.ye@intel.com>
1906
1907         PR middle-end/34921
1908         * tree-nested.c (insert_field_into_struct): Set type alignment
1909         to field alignment if the former is less than the latter.
1910
1911 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1912
1913         * BASE-VER: Set to 4.4.0.
1914
1915 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1916
1917         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1918         * doc/cfg.texi: Likewise.
1919         * doc/extend.texi: Likewise.
1920         * doc/gty.texi: Likewise.
1921         * doc/invoke.texi: Likewise.
1922         * doc/loop.texi: Likewise.
1923         * doc/md.texi: Likewise.
1924         * doc/passes.texi: Likewise.
1925         * doc/rtl.texi: Likewise.
1926         * doc/sourcebuild.texi: Likewise.
1927         * doc/tm.texi: Likewise.
1928         * doc/tree-ssa.texi: Likewise.
1929
1930 2008-02-17  Richard Guenther  <rguenther@suse.de>
1931
1932         PR middle-end/35227
1933         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1934         without default definition.
1935
1936 2008-02-17  Richard Guenther  <rguenther@suse.de>
1937
1938         PR tree-optimization/35231
1939         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1940         if A | B != 1.
1941
1942 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1943
1944         Revert:
1945
1946         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1947         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1948         libgcc_cmp_return mode.
1949
1950 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1951
1952         PR c/28368
1953         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1954
1955 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1956
1957         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1958         multilibs.
1959
1960 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1961
1962         * doc/c-tree.texi: Use `@.' where appropriate.
1963         * doc/extend.texi: Likewise.
1964         * doc/install.texi: Likewise.
1965         * doc/invoke.texi: Likewise.
1966         * doc/loop.texi: Likewise.
1967         * doc/makefile.texi: Likewise.
1968         * doc/md.texi: Likewise.
1969         * doc/passes.texi: Likewise.
1970         * doc/standards.texi: Likewise.
1971         * doc/tm.texi: Likewise.
1972
1973 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1974
1975         PR middle-end/35196
1976         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1977         in entry_bb.
1978         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1979         rather than in entry_bb.
1980
1981 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1982
1983         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1984         libgcc_cmp_return mode.
1985
1986 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1987
1988         PR middle-end/35130
1989         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1990         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1991
1992 2008-02-15  Richard Guenther  <rguenther@suse.de>
1993             Zdenek Dvorak  <ook@ucw.cz>
1994
1995         PR tree-optimization/35164
1996         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1997         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1998         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1999         Only propagate addresses which do not have abnormal SSA_NAMEs
2000         in their operands.
2001
2002 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2003
2004         PR target/35088
2005         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2006
2007 2008-02-15  Jan Hubicka  <jh@suse.cz>
2008
2009         PR middle-end/35149
2010         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2011
2012 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         PR middle-end/34621
2015         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2016         when calculating alignment_pad.
2017
2018 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2019
2020         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2021         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2022         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2023         and STACK_BOUNDARY define.
2024
2025 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2026
2027         PR preprocessor/35061
2028         * c-pragma.c (handle_pragma_pop_macro): Check that
2029         pushed_macro_table has been allocated.
2030
2031 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2032
2033         PR middle-end/35136
2034         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2035         (force_gimple_operand): Likewise.
2036         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2037         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2038         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2039         (find_interesting_uses_address): Check addressability and alignment
2040         of the base expression only after substituting bases of IVs into it.
2041
2042 2008-02-14  Michael Matz  <matz@suse.de>
2043
2044         PR target/34930
2045         * function.c (instantiate_virtual_regs_in_insn): Reload address
2046         before falling back to reloading the whole operand.
2047
2048 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2049
2050         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2051         before the first section switch note.
2052
2053 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2054
2055         * doc/bugreport.texi: Update copyright years.
2056         * doc/c-tree.texi: Likewise.
2057         * doc/cfg.texi: Likewise.
2058         * doc/cpp.texi: Likewise.
2059         * doc/cppinternals.texi: Likewise.
2060         * doc/fragments.texi: Likewise.
2061         * doc/frontends.texi: Likewise.
2062         * doc/gcc.texi: Likewise.
2063         * doc/gty.texi: Likewise.
2064         * doc/hostconfig.texi: Likewise.
2065         * doc/implement-c.texi: Likewise.
2066         * doc/libgcc.texi: Likewise.
2067         * doc/loop.texi: Likewise.
2068         * doc/makefile.texi: Likewise.
2069         * doc/options.texi: Likewise.
2070         * doc/passes.texi: Likewise.
2071         * doc/rtl.texi: Likewise.
2072         * doc/sourcebuild.texi: Likewise.
2073         * doc/standards.texi: Likewise.
2074         * doc/tree-ssa.texi: Likewise.
2075         * doc/trouble.texi: Likewise.
2076
2077         * doc/extend.texi: Use @: or add comma where appropriate.
2078         * doc/invoke.texi: Likewise.
2079         * doc/tm.texi: Likewise.
2080
2081 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2082
2083         PR target/34393
2084         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2085         to a reg.
2086
2087 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2088
2089         * doc/md.texi (clz, ctz): Add reference.
2090         * doc/rtl.texi (clz, ctz): Likewise.
2091
2092 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2093
2094         PR other/35148
2095         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2096         srcdir.
2097
2098 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2099
2100         * config/s390/s390.c (struct constant_pool): New field
2101         emit_pool_after added.
2102         (s390_mainpool_start): Set the emit_pool_after flag according
2103         to the section switch notes.
2104         (s390_mainpool_finish): Consider emit_pool_after when emitting
2105         the literal pool at the end of the function.
2106         (s390_chunkify_start): Force literal pool splits at section
2107         switch notes.
2108
2109 2008-02-13  Michael Matz  <matz@suse.de>
2110
2111         PR debug/35065
2112         * var-tracking.c (clobber_variable_part): Correctly traverse the
2113         list.
2114
2115 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2116
2117         PR 29673
2118         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2119         Add -fdump-ipa-inline.
2120         * tree-dump.c (dump_files): Remove tree-inlined dump.
2121         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2122
2123 2008-02-12  Richard Guenther  <rguenther@suse.de>
2124
2125         PR tree-optimization/35171
2126         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2127         default defs.
2128
2129 2008-02-12  Richard Guenther  <rguenther@suse.de>
2130
2131         PR middle-end/35163
2132         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2133         value-preserving mode.  Disallow final truncation.
2134
2135 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2136
2137         PR middle-end/35136
2138         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2139         code from here to...
2140         (force_gimple_operand): ...here.
2141
2142 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2143
2144         PR c++/35144
2145         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2146         non-compatible pointers.
2147         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2148         different FIELD_DECLs, try harder by comparing field offsets, sizes
2149         and types.
2150
2151         PR inline-asm/35160
2152         * function.c (match_asm_constraints_1): Don't replace the same input
2153         multiple times.
2154
2155 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2156
2157         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2158         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2159         (expand_epilogue): Restore RAMPZ register.
2160         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2161
2162 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2163
2164         * config/i386/cygwin.asm: (__alloca): Correct calling
2165         convention and alignment.
2166         (__chkstk): Force 8 byte stack alignment.
2167
2168 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2169             Richard Guenther  <rguenther@suse.de>
2170
2171         PR tree-optimization/33992
2172         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2173         the zero we compare against.
2174
2175 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2176
2177         PR libfortran/35063
2178         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2179         to CloseHandle after unlocking to prevent accumulation of handle
2180         count.
2181
2182 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2183
2184         PR middle_end/34150
2185         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2186         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2187         and update LABEL_NUSES during and after reload.
2188
2189 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2190
2191         PR middle-end/34627
2192         * combine.c (simplify_if_then_else): Make sure the comparison is
2193         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2194
2195 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2196
2197         PR bootstrap/35051
2198         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2199         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2200         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2201         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2202         * tree.h (get_type_static_bounds): Likewise.
2203
2204 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2205
2206         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2207         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2208         Make -Wfoo language annotations match what the compiler outputs.
2209
2210 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2211
2212         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2213         intrinsics spu_convts, spu_convtu, spu_convtf.
2214         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2215
2216 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2217
2218         * doc/extend.texi (Function Attributes) <noinline>: Mention
2219         asm ("") as method to keep calls.
2220
2221 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2222
2223         PR other/32754
2224         * doc/options.texi (Options): Replace references to opts.sh with
2225         optc-gen.awk.
2226         * opts-common.c: Likewise.
2227         * optc-gen.awk: Likewise.
2228
2229 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2230
2231         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2232
2233 2008-02-07  Richard Henderson  <rth@redhat.com>
2234
2235         PR rtl-opt/33410
2236         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2237         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2238         funny mode.
2239
2240 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2241
2242         PR tree-optimization/35085
2243         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2244         for operand entry oe2 in addition to operand entry oe3 in order to
2245         expose more opportunities for vectorizer sum reduction.
2246
2247 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2248
2249         PR other/35107
2250         * Makefile.in (LIBS): Remove $(GMPLIBS).
2251         (cc1-dummy, cc1): Add $(GMPLIBS).
2252
2253 2008-02-06  Jan Hubicka  <jh@suse.cz>
2254
2255         PR target/23322
2256         * i386.md (moddf_integer): Do not produce partial memory stalls for
2257         targets where it hurts.
2258
2259 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2260
2261         PR target/35083
2262         * optabs.c (expand_float): Do not check for decimal modes when
2263         expanding unsigned integer through signed conversion.
2264
2265 2008-02-06  Nick Clifton  <nickc@redhat.com>
2266
2267         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2268         inside the clobber with a match_operand and duplicated operand
2269         number in the constraint.
2270         (ineqbranchsi): Delete redundant comment.
2271
2272 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2273
2274         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2275         builtin_define ("__USE_INIT_FINI__").
2276         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2277         -msx multilibs.
2278         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2279
2280 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2281
2282         PR documentation/30330
2283         * doc/invoke.texi (C++ Dialect Options)
2284         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2285         For each warning option -Wfoo that allows -Wno-foo, ensure both
2286         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2287         entry of -Wswitch-default, index -Wnormalized= including the
2288         `=', and -Wlarger-than-@var{len} including @var{len}.
2289
2290 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2291
2292         * config/i386/i386.md (floatunssisf2): Use
2293         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2294         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2295         Macroize expander using MODEF mode iterator.
2296
2297 2008-02-05  Diego Novillo  <dnovillo@google.com>
2298
2299         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2300
2301         PR 33738
2302         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2303
2304 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2305
2306         PR other/35070
2307         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2308
2309 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2310
2311         PR target/35084
2312         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2313         to indicate if a message should be generated.
2314         (init_cumulative_args): Updated.
2315         (function_value_32): Likewise.
2316
2317 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2318
2319         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2320
2321 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2322
2323         PR target/35083
2324         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2325         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2326
2327 2008-02-04  Diego Novillo  <dnovillo@google.com>
2328
2329         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2330
2331         PR 33738
2332         * tree-vrp.c (vrp_evaluate_conditional): With
2333         -Wtype-limits, emit a warning when comparing against a
2334         constant outside the natural range of OP0's type.
2335
2336 2008-02-04  Richard Guenther  <rguenther@suse.de>
2337
2338         PR middle-end/33631
2339         * expr.c (count_type_elements): Give for unions instead of
2340         guessing.
2341
2342 2008-02-04  Richard Guenther  <rguenther@suse.de>
2343
2344         PR middle-end/35043
2345         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2346         to TYPE_DOMAINs base type instead of using bitsizetype here.
2347
2348 2008-02-03  Jason Merrill  <jason@redhat.com>
2349
2350         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2351
2352 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2353
2354         PR other/29972
2355         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2356         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2357         (RS/6000 and PowerPC Options): Fix typos and markup.
2358         * doc/passes.texi (Tree-SSA passes): Likewise.
2359
2360 2008-02-02  Michael Matz  <matz@suse.de>
2361
2362         PR target/35045
2363         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2364         from record_last_reg_set_info.
2365         (record_last_reg_set_info): Take an RTX argument, iterate over all
2366         constituent hardregs.
2367         (record_last_set_info, record_opr_changes): Change calls to
2368         new signature or to record_last_reg_set_info_regno.
2369
2370 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2371
2372         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2373
2374 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2375
2376         PR rtl-optimization/34773
2377         * reg-notes.def (EQUAL): Mention significance of combination of
2378         REG_EQUAL and REG_RETVAL.
2379         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2380         insn that has a REG_RETVAL.
2381
2382 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2383
2384         PR bootstrap/33781
2385         * configure.ac (--enable-fixed-point): Disable unless explicitly
2386         requested on IRIX.
2387         * configure: Regenerate.
2388
2389 2008-02-01  Richard Guenther  <rguenther@suse.de>
2390
2391         PR other/35042
2392         * invoke.texi (-finline-limit): Remove no longer true parts
2393         of the documentation.  Note that there is no default value.
2394
2395 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2396             Mark Mitchell  <mark@codesourcery.com>
2397             Ben Elliston  <bje@au.ibm.com>
2398
2399         PR c/29326
2400         * doc/extend.texi (Other Builtins): Document.
2401
2402 2008-01-31  Tom Browder <tom.browder@gmail.com>
2403
2404         * doc/c-tree.texi (Types): Fix grammar.
2405         (Expression trees): Ditto.
2406         * doc/passes.texi (Tree-SSA passes): Ditto.
2407
2408         * doc/configterms.texi (Configure Terms): Fix typo.
2409         * doc/cpp.texi (Common Predefined Macros): Ditto.
2410         * doc/md.texi (Machine Constraints): Ditto.
2411
2412         * doc/makefile.texi (Makefile): Add comma.
2413
2414 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2415             Gerald Pfeifer  <gerald@pfeifer.com>
2416
2417         * doc/sourcebuild.texi (Front End): Remove references to CVS
2418         and CVSROOT/modules.
2419         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2420         (Back End): Remove reference to CVS.
2421
2422 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2423
2424         PR target/34900
2425         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2426         comment from...
2427         (mips16_gp_pseudo_reg): ...here.
2428         * config/mips/mips.md (load_const_gp): Replace with...
2429         (load_const_gp_<mode>): ...this :P-based insn.
2430
2431 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2432
2433         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2434         options. Minor fixes.
2435         (-std): Move reference to standards closer to where language
2436         standards are first mentioned.
2437
2438 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2439
2440         PR rtl-optimization/34995
2441         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2442         parameter and return a bool.  If the rtx parameter is nonnull,
2443         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2444         (find_reloads): Update call accordingly.  Pass the new operand
2445         if it needed no address reloads, otherwise pass null.
2446
2447 2008-01-30  Richard Henderson  <rth@redhat.com>
2448
2449         PR c/34993
2450         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2451         for unbounded arrays.
2452
2453 2008-01-30  Silvius Rus  <rus@google.com>
2454
2455         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2456
2457 2008-01-30  Jan Hubicka  <jh@suse.cz>
2458
2459         PR target/34982
2460         * i386.c (init_cumulative_args): Use real function declaration when
2461         calling locally.
2462
2463 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2464
2465         PR rtl-optimization/34998
2466         * global.c (build_insn_chain): Treat non-subreg_lowpart
2467         SUBREGs of pseudos as clobbering all the words covered by the
2468         SUBREG, not just all the bytes.
2469         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2470         original df_ref rather than an extract parameter.
2471         (global_conflicts): Update call accordingly.
2472
2473 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2474
2475         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2476         the overflow check to make it easier to read.
2477         (__fixtfdi): Change the type of the ll member in union
2478         long_double to UDItype_x.
2479
2480 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2481
2482         PR middle-end/34969
2483         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2484         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2485         * tree-inline.c (fold_marked_statements): Call
2486         cgraph_update_edges_for_call_stmt if folding a call statement.
2487         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2488         debug_generic_stmt calls, reset it back afterwards.
2489
2490         PR c/35017
2491         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2492         static decls.
2493         * c-typeck.c (build_external_ref): Don't pedwarn about
2494         static vars in current function's scope.
2495
2496 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2497
2498         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2499
2500 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2501
2502         PR c/35002
2503         * ipa-struct-reorg.c: Fix spelling.
2504         * params.def: Ditto.
2505
2506 2008-01-29  Richard Guenther  <rguenther@suse.de>
2507
2508         PR middle-end/35006
2509         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2510         field.
2511         * tree-inline.c (remap_type): Increment remapping_type_depth
2512         around remapping types.
2513         (copy_body_r): Only add referenced variables if they are referenced
2514         from code, not types.
2515
2516 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2517
2518         PR c++/34055
2519         PR c++/34103
2520         PR c++/34219
2521         PR c++/34606
2522         PR c++/34753
2523         PR c++/34754
2524         PR c++/34755
2525         PR c++/34919
2526         PR c++/34961
2527         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2528         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2529
2530 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2531
2532         PR target/34412
2533         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2534         pointer for tiny stack.
2535
2536 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2537
2538         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2539
2540 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2541
2542         * config/vx-common.h: Fix typo in comment.
2543
2544 2008-01-28  Ian Lance Taylor  <iant@google.com>
2545
2546         PR c++/34862
2547         PR c++/33407
2548         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2549         coalesce pointers if they have different DECL_NO_TBAA_P values.
2550         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2551         between variables with different DECL_NO_TBAA_P values.
2552
2553 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2554
2555         PR 31535
2556         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2557         are not legitimate small data references on SPE targets.
2558
2559 2008-01-28  David Daney  <ddaney@avtrex.com>
2560
2561         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2562
2563 2008-01-28  David Daney  <ddaney@avtrex.com>
2564
2565         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2566
2567 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2568
2569         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2570         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2571         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2572         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2573         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2574         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2575         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2576         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2577
2578 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2579
2580         * basic-block.h (condjump_equiv_p): Fix comment.
2581
2582 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2583
2584         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2585         print_generic_stmt_indented): Fix comment.
2586
2587 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2588
2589         * configure.ac (__stack_chk_fail): Add detecion for availability
2590         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2591         * configure: Regenerate.
2592
2593 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2594
2595         PR middle-end/34688
2596         * final.c (output_addr_const): Handle TRUNCATE.
2597
2598 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2599
2600         PR target/34711
2601         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2602         (zero_cost, infinite_cost): New constants.
2603         (struct cost_pair): Change type of cost to comp_cost.
2604         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2605         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2606         New functions.
2607         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2608         split_address_cost, ptr_difference_cost, difference_cost,
2609         get_computation_cost_at, get_computation_cost,
2610         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2611         determine_use_iv_cost_condition, determine_use_iv_costs,
2612         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2613         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2614         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2615         Change type of cost to comp_cost.
2616         (determine_iv_cost): Increase cost of non-original ivs, instead
2617         of decreasing the cost of original ones.
2618         (get_address_cost): Indicate the complexity of the addressing mode
2619         in comp_cost.
2620         (try_add_cand_for): Prefer using ivs not specific to some object.
2621         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2622
2623 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2624             Janis Johnson  <janis187@us.ibm.com>
2625
2626         PR target/34814
2627         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2628         (TARGET_INSTANTIATE_DECLS): Likewise.
2629         * target.h (expand_to_rtl_hook): New target hook.
2630         (instantiate_decls): Likewise.
2631         * function.c (instantiate_decl): Make non-static.  Rename to...
2632         (instantiate_decl_rtl): ... this.
2633         (instantiate_expr): Use instantiate_decl_rtl.
2634         (instantiate_decls_1): Likewise.
2635         (instantiate_decls): Likewise.
2636         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2637         * function.h (instantiate_decl_rtl): Add prototype.
2638         * cfgexpand.c (target.h): New include.
2639         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2640         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2641         (TARGET_INSTANTIATE_DECLS): Likewise.
2642         (TARGET_INITIALIZER): New target hooks added.
2643         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2644         New prototype.
2645         * config/rs6000/rs6000.c (tree-flow.h): New include.
2646         (machine_function): Add sdmode_stack_slot field.
2647         (rs6000_alloc_sdmode_stack_slot): New function.
2648         (rs6000_instantiate_decls): Likewise.
2649         (rs6000_secondary_memory_needed_rtx): Likewise.
2650         (rs6000_check_sdmode): Likewise.
2651         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2652         (TARGET_INSTANTIATE_DECLS): Likewise.
2653         (rs6000_hard_regno_mode_ok): Allow SDmode.
2654         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2655         (rs6000_emit_move): Handle SDmode.
2656         (function_arg_advance): Likewise.
2657         (function_arg): Likewise.
2658         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2659         SDmode var args for 32-bit compiles.
2660         (rs6000_secondary_reload_class): Handle SDmode.
2661         (rs6000_output_function_epilogue): Likewise.
2662         (rs6000_function_value): Simplify if statement.
2663         (rs6000_libcall_value): Likewise.
2664         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2665         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2666         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2667         (movsd_hardfloat): New define_insn.
2668         (movsd_softfloat): Likewise.
2669         (movsd_store): Likewise.
2670         (movsd_load): Likewise.
2671         (extendsddd2): Likewise.
2672         (extendsdtd2): Likewise.
2673         (truncddsd2): Likewise.
2674         (movdd_hardfloat64): Fixup comment.
2675         (UNSPEC_MOVSD_LOAD): New constant.
2676         (UNSPEC_MOVSD_STORE): Likewise.
2677
2678 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2679
2680         PR c++/34965
2681         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2682         TRUTH_XOR_EXPR.
2683         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2684         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2685         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2686         and TRUTH_XOR_EXPR.
2687
2688 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2689
2690         PR target/34794
2691         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2692         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2693         __LONGDOUBLE128 too.
2694         * config/rs6000/aix61.h: New file.
2695
2696 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2697
2698         PR rtl-optimization/34959
2699         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2700         popcount and parity rtxes the same mode as their operand.
2701         Truncate or extend the result to the return value's mode
2702         if necessary.
2703
2704 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2705
2706         PR target/34981
2707         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2708         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2709         to GOT_VERSION_REGNUM.
2710         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2711         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2712         * config/mips/mips.c (mips_emit_call_insn): New function.
2713         (mips_call_tls_get_addr): Call mips_expand_call directly.
2714         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2715         emit_call_insn.
2716         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2717         (mips_expand_call): Update the call to mips16_build_call_stub
2718         accordingly and a remove redundant condition.  Assert that MIPS16
2719         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2720         the call insn.
2721         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2722         TARGET_USE_GOT.
2723         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2724         (mips_avoid_hazard): Remove hazard_set handling.
2725         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2726         (UNSPEC_RESTORE_GP): ...this.
2727         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2728         (FAKE_CALL_REGNO): Rename to...
2729         (GOT_VERSION_REGNUM): ...this.
2730         (type): Add "ghost" value.  Add an associated insn reservation.
2731         (hazard_set): Remove.
2732         (exception_receiver): Rename to...
2733         (restore_gp): ...this and update the unspec identifier accordingly.
2734         (exception_receiver, nonlocal_got_receiver): New expanders.
2735         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2736         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2737         (set_got_version, update_got_version): New patterns.
2738
2739 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2740
2741         PR target/34970
2742         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2743
2744 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2745
2746         PR other/31955
2747         * doc/install.texi2html: Generate gcc-vers.texi.
2748
2749 2008-01-25  DJ Delorie  <dj@redhat.com>
2750
2751         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2752
2753 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2754
2755         * config/c4x: Remove directory.
2756         * config.gcc (crx-*, mt-*): Mark obsolete.
2757         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2758         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2759         sh-*-rtemscoff*): Remove cases.
2760         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2761         * real.c (encode_c4x_single, decode_c4x_single,
2762         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2763         c4x_extended_format): Remove.
2764         * real.h (c4x_single_format, c4x_extended_format): Remove.
2765         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2766         on C4x.
2767         (Pragmas): Remove comment about c4x pragmas.
2768         * doc/install.texi (c4x): Remove target-specific instructions.
2769         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2770         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2771         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2772         refer to C4x source files as examples.
2773         (C4X_FLOAT_FORMAT): Remove documentation.
2774
2775 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2776
2777         * config/bfin/bfin.c (override_options): Reorder tests so that
2778         flag_pic gets enabled for -msep-data.
2779
2780 2008-01-25  Richard Guenther  <rguenther@suse.de>
2781
2782         PR middle-end/32244
2783         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2784         to its bitfield precision if required.
2785
2786 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2787
2788         PR middle-end/33880
2789         * tree-nested.c (walk_omp_for): New function.
2790         (convert_nonlocal_reference, convert_local_reference): Call
2791         walk_omp_for on OMP_FOR.
2792         (convert_call_expr): Call walk_body on OMP_FOR's
2793         OMP_FOR_PRE_INIT_BODY.
2794
2795 2008-01-25  Richard Guenther  <rguenther@suse.de>
2796
2797         PR tree-optimization/34966
2798         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2799         default defs and PHI_NODEs we have to insert after the
2800         defining statement.
2801
2802 2008-01-24  Nick Clifton  <nickc@redhat.com>
2803
2804         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2805         Provide a default definition.
2806         (LIBGCC2_UNITS_PER_WORD): Likewise.
2807
2808         * config/stormy16/stormy16.c: Include df.h for the prototype
2809         for df_regs_ever_live_p.
2810         (xstormy16_expand_builtin_va_start): Convert the stack offset
2811         into a component_ref and then use POINTER_PLUS_EXPR to add it
2812         to the incoming_virtual_args_rtx.
2813         (xstormy16_gimplify_va_arg_expr): Rename to
2814         xstormy16_gimplify_va_arg_expr.
2815         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2816         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2817         xstormy16_gimplify_va_arg_expr.
2818         Fix up some formatting issues.
2819
2820         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2821         Move to predicates.md.
2822         (xs_hi_general_operand): Likewise.
2823         (xs_hi_nonmemory_operand): Likewise.
2824         * config/stormy16/predicates.md:
2825         (xstormy16_carry_plus_operand): New predicate.
2826         (xs_hi_general_operand): New predicate.
2827         (xs_hi_nonmemory_operand): New predicate.
2828         * config/stormy16/stormy16-protos.h:
2829         (xstormy16_carry_plus_operand): Delete prototype.
2830         (xs_hi_general_operand): Likewise.
2831         (xs_hi_nonmemory_operand): Likewise.
2832
2833         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2834         modifiers as they are no longer needed and they can trigger
2835         reload spill failures.
2836
2837         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2838         with a match_operand in order to help reload.
2839
2840         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2841         constraint with 'e' for the 8th alternative as this version of
2842         the mov.w instruction only accepts the lower 8 registers.
2843
2844 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         PR target/34856
2847         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2848         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2849         vector elements.
2850
2851 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2852
2853         PR middle-end/33333
2854         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2855
2856 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2857
2858         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2859         New functions.
2860         (remove_structure): Update allocations list before removing structure.
2861
2862 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2863
2864         * ipa-struct-reorg.c (is_safe_cond_expr,
2865         create_new_stmts_for_cond_expr): Use integer_zerop function,
2866         that recognize not only zero-pointer, but zero-integer too.
2867
2868 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2869
2870         PR other/22232
2871         * fixproto: Escape "." in sed expression that strips leading "./".
2872
2873 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2874
2875         PR driver/34904
2876         * gcc.c (SWITCH_OK): Removed.
2877         (SWITCH_LIVE): Changed to bit.
2878         (SWITCH_FALSE): Likewise.
2879         (SWITCH_IGNORE): Likewise.
2880         (switchstr): Change live_cond to unsigned int.
2881         (process_command): Replace SWITCH_OK with 0.
2882         (do_self_spec): Likewise.
2883         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2884         (give_switch): Likewise.
2885         (used_arg): Likewise.
2886         (do_spec_1): Set the SWITCH_IGNORE bit.
2887         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2888         bits.  Set the SWITCH_LIVE bit.
2889
2890 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2891
2892         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2893
2894 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2895
2896         PR tree-optimization/34472
2897         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2898         parameter to a "bool *" and set *DATA to false if there is
2899         an unsafe access.  Do not delete the structure here.
2900         (check_cond_exprs): Delete it here instead.
2901         (check_cond_exprs, exclude_cold_structs): Do not increase
2902         I when removing a structure.
2903
2904 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2905
2906         PR target/34856
2907         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2908         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2909
2910 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2911
2912         PR middle-end/34934
2913         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2914         a fixed vector for stack.
2915
2916 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2917
2918         PR c++/25701
2919         * doc/gcc.texi (Software development): Add a direntry for g++.
2920
2921 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2922
2923         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2924         stale and straggling -fforce-addr comments above.
2925
2926         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2927         define.
2928         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2929         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2930
2931 2008-01-23  Michael Matz  <matz@suse.de>
2932
2933         PR debug/34895
2934         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2935         gen_type_die.
2936
2937 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2938
2939         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2940         malloc result type.
2941
2942 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2943
2944         * config/avr/avr.c (avr_current_arch): New variable.
2945         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2946         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2947         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2948         (avr_override_options): Init 'avr_current_arch'.
2949         (base_arch_s): Move from here...
2950         * config/avr/avr.h (base_arch_s): ... here. Add new members
2951         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2952         'mega' to 'have_jmp_call'.
2953         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2954         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2955         macros.
2956         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2957         architectures.
2958         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2959         MULTILIB_MATCHES): (Ditto.).
2960
2961 2008-01-23  Richard Guenther  <rguenther@suse.de>
2962
2963         PR middle-end/31529
2964         * cgraphunit.c (cgraph_reset_node): Always mark the node
2965         not reachable if it is not queued already.
2966
2967 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2968
2969         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2970         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2971         (cputype_selected): New static variable.
2972         (bfin_handle_option): Set it if -mcpu is used.
2973         (override_option): Select default set of workarounds if no cpu type
2974         selected on the command line.
2975         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2976
2977         From  Michael Frysinger  <michael.frysinger@analog.com>
2978         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2979         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2980
2981         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2982         for bf547, bf523, bf524, and bf526.
2983         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2984         bf526.
2985         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2986         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2987         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2988         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2989         * doc/invoke.texi (Blackfin Options): Document that
2990         -mcpu now accept bf547, bf523, bf524, and bf526.
2991
2992 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2993
2994         PR rtl-optimization/34628
2995         * combine.c (try_combine): Stop and undo after the first combination
2996         if an autoincrement side-effect on the first insn has effectively
2997         been lost.
2998
2999 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3000
3001         PR target/34529
3002         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3003         Offset addresses are not valid for Altivec or paired float modes.
3004
3005 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR c++/34607
3008         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3009         if DECL_INITIAL (decl) is error_mark_node.
3010
3011         PR c++/34914
3012         * c-common.c (handle_vector_size_attribute): Only allow
3013         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3014         the same way as pointer, array etc. types.
3015         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3016
3017         PR c++/34917
3018         * tree.c (build_type_attribute_qual_variant): Call
3019         build_qualified_type if attributes are equal, but quals are not.
3020
3021 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3022
3023         PR 32102
3024         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3025         * flags.h (warn_strict_aliasing): Remove.
3026         (warn_strict_overflow): Remove.
3027         * opts.c (warn_strict_aliasing): Remove.
3028         (warn_strict_overflow): Remove.
3029         * c-opts.c (c_common_handle_option): -Wall only sets
3030         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3031         (c_common_post_options): Give default values to -Wstrict-aliasing
3032         and -Wstrict-overflow if they are uninitialized.
3033         * common.opt (Wstrict-aliasing): Specify Var and Init.
3034         (Wstrict-overflow): Likewise.
3035
3036 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3037
3038         PR rtl-optimization/26854
3039         PR rtl-optimization/34400
3040         PR rtl-optimization/34884
3041         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3042         DF_RD->gen.
3043         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3044         (df_rd_bb_info.expanded_lr_out): Deleted
3045         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3046         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3047         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3048         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3049         Removed code to allocate, initialize or free expanded_lr_out.
3050         (df_rd_bb_local_compute_process_def): Restructured to make more
3051         understandable.
3052         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3053         sets if the sets are being trimmed.
3054
3055 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3056
3057         PR bootstrap/32287
3058         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3059         (as_vers): Likewise.
3060         * configure: Regenerated.
3061
3062 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3063
3064         PR middle-end/33092
3065         * tree-pass.h (pass_build_alias): New pass.
3066         * tree-ssa-alias.c (gate_build_alias): New.
3067         (pass_build_alias): New.
3068         * passes.c (init_optimization_passes): Add pass_build_alias after
3069         pass_create_structure_vars.
3070
3071 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3072
3073         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3074         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3075         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3076         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3077         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3078         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3079         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3080         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3081         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3082         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3083         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3084         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3085         * config/s390/s390.md (FP_ALL): New mode iterator.
3086         (_d): New mode attribute.
3087         ("*signbit<mode>2>"): Changed mode of first operand.
3088         ("isinf<mode>2"): Changed mode of first operand.
3089         ("*TDC_insn"): Adaptation for DFP modes.
3090
3091 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3092
3093         * tree.c (check_qualified_type): Improve function description.
3094
3095 2008-01-21  Jason Merrill  <jason@redhat.com>
3096
3097         PR c++/34196
3098         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3099         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3100         if it is set.
3101
3102 2008-01-21  DJ Delorie  <dj@redhat.com>
3103
3104         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3105         return zero.
3106
3107 2008-01-21  Richard Guenther  <rguenther@suse.de>
3108
3109         PR middle-end/34856
3110         * tree-cfg.c (verify_expr): Allow all invariant expressions
3111         instead of just constant class ones as reference argument.
3112         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3113         like any other constant.
3114         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3115
3116 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3117
3118         * regmove.c (fixup_match_1): Update call crossed frequencies.
3119
3120 2008-01-21  Richard Guenther  <rguenther@suse.de>
3121
3122         PR c/34885
3123         * tree-inline.c (setup_one_parameter): Deal with mismatched
3124         types using a VIEW_CONVERT_EXPR.
3125
3126 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3127             Olga Golovanevsky  <olga@il.ibm.com>
3128
3129         PR tree-optimization/34701
3130         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3131         when the structure size is not a power of 2.
3132
3133 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3134
3135         * doc/install.texi: Add doc for --enable-checking=df.
3136
3137 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3138
3139         PR rtl-optimization/34808
3140         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3141
3142 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3143
3144         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3145         input.
3146
3147 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3148
3149         PR rtl-optimization/26854
3150         PR rtl-optimization/34400
3151         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3152         DF_RD->gen.
3153         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3154         (df_rd_bb_info.expanded_lr_out): New.
3155         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3156         * loop_iv.c (iv_analysis_loop_init): Ditto.
3157         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3158         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3159         Added code to allocate, initialize or free expanded_lr_out.
3160         (df_rd_bb_local_compute_process_def): Restructured to make
3161         more understandable.
3162         (df_rd_confluence_n): Add code to do nothing with fake edges and
3163         code to no apply invalidate_by_call sets if the sets are being trimmed.
3164         (df_lr_local_finalize): Renamed to df_lr_finalize.
3165         (df_live_local_finalize): Renamed to df_live_finalize.
3166
3167 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3168
3169         PR target/34831
3170         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3171         deciding whether to use reciprocal instructions.
3172
3173 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3174
3175         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3176         dwarf2out_note_section_used if cold_text_section is NULL.
3177
3178 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3179
3180         PR gcov-profile/34610
3181         * tree-cfg.c (make_edges): Mark both outgoing edges from
3182         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3183         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3184         from OMP_FOR and OMP_CONTINUE outgoing edges.
3185
3186         * tree-profile.c (tree_profiling): Return early if
3187         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3188         at the end.
3189         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3190         from cfun to child_cfun.
3191         * function.h (struct function): Add after_tree_profile bit.
3192
3193 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3194
3195         * config/avr/avr.S (_exit): Disable interrupt.
3196
3197 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3198             Steven Bosscher  <stevenb.gcc@gmail.com>
3199
3200         PR rtl-optimization/26854
3201         PR rtl-optimization/34400
3202         * df-problems.c (df_live_scratch): New scratch bitmap.
3203         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3204         (df_live_reset): Clear the proper bitmaps.
3205         (df_live_bb_local_compute): Only process the artificial defs once
3206         since the order is not important.
3207         (df_live_init): Init the df_live sets only with the variables
3208         found live by df_lr.
3209         (df_live_transfer_function): Use the df_lr sets to prune the
3210         df_live sets as they are being computed.
3211         (df_live_free): Free df_live_scratch.
3212
3213 2008-01-18  Ian Lance Taylor  <iant@google.com>
3214
3215         * common.opt: Add fmerge-debug-strings.
3216         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3217         flag_merge_debug_strings rather than flag_merge_constants.
3218         * doc/invoke.texi (Option Summary): Mention
3219         -fmerge-debug-strings.
3220         (Debugging Options): Document -fmerge-debug-strings.
3221
3222 2008-01-18  Ian Lance Taylor  <iant@google.com>
3223
3224         PR c++/33407
3225         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3226         (struct tree_function_decl): Add new field operator_new_flag.
3227         * tree-inline.c (expand_call_inline): When inlining a call to
3228         operator new, force the return value to go into a variable, and
3229         set DECL_NO_TBAA_P on that variable.
3230         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3231
3232 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3233
3234         PR debug/34484
3235         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3236         DWARF2_DEBUGGING_INFO.
3237         (dwarf2out_note_section_used): Ditto.  Add prototype.
3238         (have_multiple_function_sections, text_section_used,
3239         cold_text_section_used, *cold_text_sections): Move declarations
3240         before their uses.
3241
3242 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3243
3244         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3245         field and add signal_ra.
3246         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3247         assignments to frame state pc.  Move end of stack check after
3248         MD_FALLBACK_FRAME_STATE_FOR.
3249         (uw_update_context_1): Use frame state signal_regs if set, instead
3250         of checking signal_frame flag.
3251         (uw_update_context): Use frame state signal_ra if set.
3252         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3253         * config/xtensa/linux-unwind.h: New file.
3254
3255 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3256
3257         * modulo-sched.c (get_sched_window): Fix comment typo.
3258
3259 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3260
3261         PR tree-optimization/34648
3262         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3263
3264 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3265
3266         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3267         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3268
3269 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3270
3271         PR rtl-optimization/34400
3272         * df-core.c (df_worklist_dataflow_overeager,
3273         df_worklist_dataflow_doublequeue): New functions.
3274         (df_worklist_dataflow): Two different worklist solvers.
3275         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3276         New param.
3277
3278 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         PR testsuite/34821
3281         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3282         and ftree-parallelize-loops.
3283
3284 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3285
3286         PR rtl-optimization/34826
3287         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3288
3289 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3290
3291         * global.c (find_reg): Mark the eh regs as used if necessary.
3292         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3293         * ra.h (struct allocno): no_eh_reg field added.  Changed
3294         no_stack_reg type to bitfield.
3295
3296 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3297
3298         * tree.c (substitute_in_expr): Add missing 'break'.
3299
3300 2008-01-17  Richard Guenther  <rguenther@suse.de>
3301
3302         PR tree-optimization/34825
3303         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3304         x / x as division to handle.
3305
3306 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3307
3308         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3309         "-pthread" is specified.
3310         * pa-hpux11.h (LIB_SPEC): Likewise.
3311
3312 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3313             Peter Bergner  <bergner@vnet.ibm.com>
3314
3315         PR rtl-optimization/33796
3316         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3317
3318 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3319
3320         PR libgfortran/34699
3321         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3322         static links.
3323         * pa-hpux10.h (LINK_SPEC): Likewise.
3324         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3325
3326 2008-01-16  Richard Guenther  <rguenther@suse.de>
3327
3328         PR middle-end/32628
3329         * fold-const.c (fold_convert_const_int_from_int): Do not
3330         set overflow if that occured only because of a sign extension
3331         change when converting from/to a sizetype with the same
3332         precision and signedness.
3333
3334 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3335
3336         PR debug/34249
3337         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3338         location address to the correct place.  Update copyright year.
3339
3340 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3343         no dependences in the dependence_relations vector.
3344
3345 2008-01-16  Jan Hubicka  <jh@suse.cz>
3346
3347         PR rtl-optimization/31396
3348         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3349         * cfg.c (dump_reg_info): Print it.
3350         * regs.h (struct reg_info_t): add freq_calls_crossed.
3351         (REG_FREQ_CALLS_CROSSED): New macro.
3352         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3353         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3354         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3355         regmove_optimize): Update call crossed frequencies.
3356         * local-alloc.c (struct qty): Add freq_calls_crossed.
3357         (alloc_qty): Copute freq_calls_crossed.
3358         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3359         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3360         * ra.h (struct allocno): Add freq_calls_crossed.
3361
3362 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3365         libgomp when compiling with ftree-parallelize-loops.
3366         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3367
3368 2008-01-16  Richard Guenther  <rguenther@suse.de>
3369
3370         PR tree-optimization/34769
3371         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3372         * tree.c (int_cst_value): Instead make this function more
3373         permissive in what it accepts as valid input.  Document this
3374         function always sign-extends the value.
3375
3376 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3377             Richard Guenther  <rguenther@suse.de>
3378
3379         PR c/34668
3380         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3381         (gimple_fold_indirect_ref_rhs): ... this.
3382         (gimple_fold_indirect_ref): New function with foldings
3383         that preserve lvalueness.
3384         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3385         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3386         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3387         to fold an INDIRECT_REF, fall back to the old use of
3388         fold_indirect_ref_1.
3389
3390 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * tree-data-ref.c (subscript_dependence_tester_1): Call
3393         free_conflict_function.
3394         (compute_self_dependence): Same.
3395
3396 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         PR debug/34249
3399         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3400         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3401         function global.
3402         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3403         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3404         for DWARF2_UNWIND_INFO targets.
3405
3406 2008-01-16  Richard Guenther  <rguenther@suse.de>
3407
3408         PR c/34768
3409         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3410         type qualifiers for function types.
3411
3412 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3413
3414         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3415         loop_iterator li from previous commit.
3416
3417 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3420
3421 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3422
3423         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3424         (parallelize_loops): Don't parallelize irreducible components.
3425
3426 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3427
3428         PR c++/24924
3429         * c-opts (c_common_post_options): Do not enable CPP
3430         flag_pedantic_errors by default.
3431
3432 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3433
3434         PR rtl-optimization/31944
3435         * cse.c (remove_pseudo_from_table): New function.
3436         (merge_equiv_classes): Use above function to remove pseudo-registers.
3437         (invalidate): Likewise.
3438
3439 2008-01-13  Richard Guenther  <rguenther@suse.de>
3440
3441         PR middle-end/34601
3442         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3443         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3444
3445 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3446
3447         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3448         validate_change to unshare the source of the PC set.
3449
3450 2008-01-12  Jan Hubicka  <jh@suse.cz>
3451
3452         PR middle-end/32135
3453         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3454         references above array bounds.  This might trigger bounds checks for
3455         pointers to arrays.
3456
3457 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3458
3459         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3460         new_replaceable_dependencies.
3461
3462 2008-01-12  Doug Kwan  <dougkwan@google.com>
3463
3464         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3465         instead of OPT_Wreturn_type in warning due to ignored return type
3466         qualifiers.
3467         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3468         options included in -Wextra.
3469         * c.opt: New option -Wignored_qualifiers.
3470         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3471         -Wignore_qualifiers.
3472         (-Wignored-qualifiers): Document.
3473         (-Wreturn-type): Remove description of functionality now handled
3474         by -Wignored-qualifiers.
3475
3476 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3477
3478         PR ada/33788
3479         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3480         NOP_EXPR if it is between integral types with the same precision.
3481
3482 2008-01-12  Jan Hubicka  <jh@suse.cz>
3483
3484         PR other/28023
3485         * invoke.texi (max-inline-recursive-depth): Fix default value.
3486
3487 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3488
3489         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3490         correct type.
3491
3492 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3493
3494         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3495
3496 2008-01-11  James E. Wilson  <wilson@specifix.com>
3497
3498         PR target/26015
3499         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3500
3501 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3502
3503         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3504         save/restore frame pointer register and don't use 'call-prologues'
3505         optimization in function with "OS_task" attribute.
3506
3507 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3508
3509         PR middle-end/31309
3510         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3511         when copying to memory.
3512
3513 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3514
3515         PR rtl-optimization/30905
3516         * cfgcleanup.c: Include dce.h
3517         (crossjumps_occured): New global variable.
3518         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3519         If something changed, set crossjumps_occured to true.
3520         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3521         Don't add/remove fake edges to exit here...
3522         (cleanup_cfg): ...but do it here, when crossjumping.
3523         Run a fast DCE when successful crossjumps occured in the latest
3524         iteration of try_optimize_cfg.
3525
3526 2008-01-11  Richard Guenther  <rguenther@suse.de>
3527
3528         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3529         (struct vn_unary_op_s): Likewise.
3530         (vn_reference_insert): Free old reference on hash collision.
3531
3532 2008-01-10  Raksit Ashok  <raksit@google.com>
3533
3534         PR rtl-optimization/27971
3535         * combine.c (find_split_point): Split PLUS expressions which are
3536         inside a MEM rtx, and whose first operand is complex.
3537
3538 2008-01-10  DJ Delorie  <dj@redhat.com>
3539
3540         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3541         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3542         (m32c_hard_regno_ok): Call the underlying function.
3543
3544 2008-01-10  Richard Guenther  <rguenther@suse.de>
3545
3546         PR middle-end/34683
3547         * tree-cfg.c (tree_merge_blocks): Do not go through the
3548         full-blown folding and stmt updating path if we just deal
3549         with virtual operands.
3550         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3551         test for abnormal SSA_NAMEs.
3552
3553 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3554
3555         PR middle-end/34641
3556         * reload.c (push_reload): Add assertions.  All constants from
3557         reg_equiv_constant should have been used for replacing the respective
3558         pseudo earlier.
3559         (find_reloads_address): Invoke find_reloads_address_part for
3560         constant taken from the reg_equiv_constant array.
3561
3562 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3563
3564         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3565         field (valnum) the first in the struct.  Replace bools with
3566         unit bit fields.
3567
3568 2008-01-10  Richard Guenther  <rguenther@suse.de>
3569
3570         PR tree-optimization/34651
3571         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3572         types and ordering for masking and converting.
3573
3574 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3575
3576         PR tree-optimization/34017
3577         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3578         also for PHI_NODE expressions.
3579
3580 2008-01-09  Jan Hubicka  <jh@suse.cz>
3581
3582         PR tree-optimization/34708
3583         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3584         based on number of case labels.
3585         (init_inline_once): Remove switch_cost.
3586         * tree-inline.h (eni_weights_d): Remove switch_cost.
3587
3588 2008-01-09  Richard Guenther  <rguenther@suse.de>
3589         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3590
3591         PR middle-end/30132
3592         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3593         temporary if an rvalue is ok or an lvalue is not required.
3594
3595 2008-01-09  Richard Guenther  <rguenther@suse.de>
3596
3597         PR middle-end/34458
3598         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3599         adjust return type.
3600
3601 2008-01-09  Richard Guenther  <rguenther@suse.de>
3602
3603         PR middle-end/34679
3604         * tree.c (host_integerp): Check for sizetype only if the
3605         type is an integer type.
3606
3607 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3608
3609         PR debug/26364
3610         * opts.c (decode_options): Disable inlining of functions called
3611         once if not in unit-at-a-time mode.
3612
3613 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3614
3615         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3616
3617 2008-01-08  Richard Guenther  <rguenther@suse.de>
3618
3619         PR middle-end/31863
3620         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3621         out early if the result will be unused.
3622
3623 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3624
3625         PR target/34709
3626         Revert:
3627
3628         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3629         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3630         for TARGET_RECIP.
3631
3632 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3633
3634         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3635         for vectorization tuned.
3636
3637 2008-01-08  Richard Guenther  <rguenther@suse.de>
3638
3639         PR tree-optimization/34683
3640         * tree-ssa-operands.c (operand_build_cmp): Export.
3641         * tree-ssa-operands.h (operand_build_cmp): Declare.
3642         * tree-vn.c (vuses_compare): Remove.
3643         (sort_vuses): Use operand_build_cmp.
3644         (sort_vuses_heap): Likewise.
3645         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3646         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3647         (vdefs_to_vec): Do not sort already sorted VDEFs.
3648
3649 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR middle-end/34694
3652         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3653
3654 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3655
3656         PR target/34702
3657         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3658         limitations of reciprocal sequences on x86 targets.
3659
3660 2008-01-08  Richard Guenther  <rguenther@suse.de>
3661
3662         PR tree-optimization/34683
3663         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3664
3665 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR target/34622
3668         * config/darwin.c (darwin_mergeable_string_section): Don't use
3669         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3670
3671 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3672
3673         PR target/34682
3674         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3675         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3676         predicates of op0 and op1 to register_operand.
3677         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3678         expander using X87MODEF mode iterator.  Change predicates of
3679         op0 and op1 to register_operand.
3680         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3681         corresponding patterns and macroize using MODEF macro.  Change
3682         predicates of op0 and op1 to register_operand and remove
3683         "m" constraint. Disparage "r" alternative with "!".
3684         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3685         macroize using X87MODEF macro.  Change predicates of op0 and op1
3686         to register_operand and remove "m" constraint.  Disparage "r"
3687         alternative with "!".
3688         (absneg splitter with memory operands): Remove.
3689         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3690         patterns and macroize using X87MODEF mode iterator.
3691         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3692         Change predicate of op1 to register_operand.
3693         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3694         for memory operands.
3695
3696 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3697
3698         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3699
3700 2008-01-07  Richard Guenther  <rguenther@suse.de>
3701
3702         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3703         fields.
3704
3705 2008-01-07  Richard Guenther  <rguenther@suse.de>
3706
3707         PR tree-optimization/34683
3708         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3709         VOPs of the needed size to save memory.  Use VEC_quick_push
3710         to save compile-time.
3711         (vdefs_to_vec): Likewise.
3712
3713 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3714
3715         * config/spu/spu.md (divdf3): Genetate inline code for double
3716         division.  The implementation doesn't handle INF or NAN, therefore it
3717         only applies when -ffinite-math-only is given.
3718
3719 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3720
3721         PR libstdc++/34680
3722         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3723         * doc/cpp.texi ([Common Predefined Macros]): Document.
3724
3725 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3726
3727         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3728         order to use commutative addition instead of subtraction.
3729
3730 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3731             Mircea Namolaru  <namolaru@il.ibm.com>
3732             Vladimir Yanovsky  <yanov@il.ibm.com>
3733             Revital Eres  <eres@il.ibm.com>
3734
3735         PR tree-optimization/34263
3736         * tree-outof-ssa.c (process_single_block_loop_latch,
3737         contains_tree_r): New functions.
3738         (analyze_edges_for_bb): Call process_single_block_loop_latch
3739         function to empty single-basic-block latch block if possible.
3740
3741 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3742
3743         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3744         for TARGET_RECIP.
3745         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3746
3747 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3748
3749         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3750
3751 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3752
3753         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3754
3755 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3756
3757         PR tree-optimization/34618
3758         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3759         flag from T.
3760
3761 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3762
3763         PR target/34673
3764         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3765         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3766         Update copyright year.
3767
3768         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3769         Update copyright year.
3770         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3771         using NR fixup.
3772
3773 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3774
3775         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3776         edge does not point to current bb before changing need_assert.
3777
3778 2008-01-04  Richard Guenther  <rguenther@suse.de>
3779
3780         PR middle-end/34029
3781         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3782         for verifying purposes if they are is_gimple_min_invariant.
3783
3784 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3785
3786         PR tree-optimization/34448
3787         PR tree-optimization/34465
3788         * gimplify.c (gimplify_init_constructor): Add new parameter
3789         notify_temp_creation.  Use it.
3790         (gimplify_modify_expr_rhs): Take volatiles into account when
3791         optimizing constructors.
3792         Do not optimize constructors if gimplify_init_constructor will dump to
3793         memory.
3794         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3795         * gcc.c-torture/compile/pr34448.c: New.
3796
3797 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3798
3799         PR gcov-profile/34609
3800         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3801         return_slot if result is TREE_ADDRESSABLE.
3802
3803 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3804
3805         * config/mips/mips.md (sqrt_condition): Tweak comment.
3806         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3807
3808 2008-01-03  Tom Tromey  <tromey@redhat.com>
3809
3810         PR c/34457
3811         * c-common.c (c_type_hash): Handle VLAs.
3812
3813 2008-01-03  Jan Hubicka  <jh@suse.cz>
3814
3815         PR tree-optimization/31081
3816         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3817         0 when inlining and not inlining to first basic block.
3818         (remap_decl): When var is initialized to 0, don't set default_def.
3819         (expand_call_inline): Set entry_bb.
3820         * tree-inline.h (copy_body_data): Add entry_bb.
3821
3822 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3823
3824         PR c++/34619
3825         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3826         before returning.
3827
3828         PR tree-optimization/29484
3829         * tree-inline.c (inline_forbidden_p_2): New function.
3830         (inline_forbidden_p): Disallow inlining if some static var
3831         has an address of a local LABEL_DECL in its initializer.
3832         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3833         vs. inlining.
3834
3835 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3836
3837         PR tree-optimization/34635
3838         * tree-data-ref.c (add_other_self_distances): Make sure that the
3839         evolution step is constant.
3840
3841 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3842
3843         PR middle-end/34608
3844         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3845
3846 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3847
3848         * tree-sra.c (scalarize_init): Insert the generate_element_init
3849         statements after the generate_element_zero statements.
3850
3851 2008-01-02  Richard Guenther  <rguenther@suse.de>
3852
3853         PR middle-end/34093
3854         PR middle-end/31976
3855         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3856         for very large number of operands instead of ICEing.
3857
3858 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3859
3860         PR target/34013
3861         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3862         while stack probing.
3863
3864 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3865
3866         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3867         in C++0x mode.
3868
3869 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3870
3871         PR libmudflap/26442
3872         * tree-mudflap.c (mx_register_decls): Guard warning by
3873         !DECL_ARTIFICIAL check.
3874
3875 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3876
3877         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3878         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3879         sse5_perm<mode>): Fix constraints.