gcc/ChangeLog

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