gcc/ChangeLog

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